diff options
Diffstat (limited to 'src/core/arm/interpreter')
| -rw-r--r-- | src/core/arm/interpreter/arm_interpreter.cpp | 6 | ||||
| -rw-r--r-- | src/core/arm/interpreter/armdefs.h | 5 | ||||
| -rw-r--r-- | src/core/arm/interpreter/armemu.cpp | 9218 | ||||
| -rw-r--r-- | src/core/arm/interpreter/armemu.h | 29 | ||||
| -rw-r--r-- | src/core/arm/interpreter/arminit.cpp | 744 | ||||
| -rw-r--r-- | src/core/arm/interpreter/armsupp.cpp | 1220 |
6 files changed, 5303 insertions, 5919 deletions
diff --git a/src/core/arm/interpreter/arm_interpreter.cpp b/src/core/arm/interpreter/arm_interpreter.cpp index 0e893f182..d35a3ae17 100644 --- a/src/core/arm/interpreter/arm_interpreter.cpp +++ b/src/core/arm/interpreter/arm_interpreter.cpp @@ -12,6 +12,8 @@ ARM_Interpreter::ARM_Interpreter() { state = new ARMul_State; ARMul_EmulateInit(); + memset(state, 0, sizeof(ARMul_State)); + ARMul_NewState(state); state->abort_model = 0; @@ -23,12 +25,14 @@ ARM_Interpreter::ARM_Interpreter() { mmu_init(state); // Reset the core to initial state + ARMul_CoProInit(state); ARMul_Reset(state); - state->NextInstr = 0; + state->NextInstr = RESUME; state->Emulate = 3; state->pc = state->Reg[15] = 0x00000000; state->Reg[13] = 0x10000000; // Set stack pointer to the top of the stack + state->servaddr = 0xFFFF0000; } ARM_Interpreter::~ARM_Interpreter() { diff --git a/src/core/arm/interpreter/armdefs.h b/src/core/arm/interpreter/armdefs.h index 1ff560fe7..dd5983be3 100644 --- a/src/core/arm/interpreter/armdefs.h +++ b/src/core/arm/interpreter/armdefs.h @@ -278,6 +278,11 @@ struct ARMul_State unsigned int NumScycles, NumNcycles, NumIcycles, NumCcycles, NumFcycles; /* emulated cycles used */ unsigned long long NumInstrs; /* the number of instructions executed */ unsigned NumInstrsToExecute; + + ARMword currentexaddr; + ARMword currentexval; + ARMword servaddr; + unsigned NextInstr; unsigned VectorCatch; /* caught exception mask */ unsigned CallDebug; /* set to call the debugger */ diff --git a/src/core/arm/interpreter/armemu.cpp b/src/core/arm/interpreter/armemu.cpp index f3c14e608..f9130ef88 100644 --- a/src/core/arm/interpreter/armemu.cpp +++ b/src/core/arm/interpreter/armemu.cpp @@ -1,29 +1,35 @@ /* armemu.c -- Main instruction emulation: ARM7 Instruction Emulator. Copyright (C) 1994 Advanced RISC Machines Ltd. Modifications to add arch. v4 support by <jsmith@cygnus.com>. - + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include "core/hle/hle.h" +//#include <util.h> // DEBUG() #include "arm_regformat.h" #include "armdefs.h" #include "armemu.h" -#include "armos.h" +#include "core/hle/hle.h" -#define ARMul_Debug(x,y,z) 0 // Disabling this /bunnei +//#include "svc.h" + +//ichfly +//#define callstacker 1 + + +//#include "armos.h" //#include "skyeye_callback.h" //#include "skyeye_bus.h" @@ -59,6 +65,7 @@ static unsigned Multiply64 (ARMul_State *, ARMword, int, int); static unsigned MultiplyAdd64 (ARMul_State *, ARMword, int, int); static void Handle_Load_Double (ARMul_State *, ARMword); static void Handle_Store_Double (ARMul_State *, ARMword); + void XScale_set_fsr_far (ARMul_State * state, ARMword fsr, ARMword _far); int @@ -69,10 +76,10 @@ unsigned xscale_cp15_cp_access_allowed (ARMul_State * state, unsigned reg, static int handle_v6_insn (ARMul_State * state, ARMword instr); -#define LUNSIGNED (0) /* unsigned operation */ -#define LSIGNED (1) /* signed operation */ -#define LDEFAULT (0) /* default : do nothing */ -#define LSCC (1) /* set condition codes on result */ +#define LUNSIGNED (0) /* unsigned operation */ +#define LSIGNED (1) /* signed operation */ +#define LDEFAULT (0) /* default : do nothing */ +#define LSCC (1) /* set condition codes on result */ #ifdef NEED_UI_LOOP_HOOK /* How often to run the ui_loop update, when in use. */ @@ -122,175 +129,175 @@ extern int (*ui_loop_hook) (int); /* Load post decrement writeback. */ #define LHPOSTDOWN() \ { \ - int done = 1; \ - lhs = LHS; \ - temp = lhs - GetLS7RHS (state, instr); \ - \ - switch (BITS (5, 6)) \ - { \ + int done = 1; \ + lhs = LHS; \ + temp = lhs - GetLS7RHS (state, instr); \ + \ + switch (BITS (5, 6)) \ + { \ case 1: /* H */ \ if (LoadHalfWord (state, instr, lhs, LUNSIGNED)) \ - LSBase = temp; \ - break; \ + LSBase = temp; \ + break; \ case 2: /* SB */ \ if (LoadByte (state, instr, lhs, LSIGNED)) \ - LSBase = temp; \ - break; \ + LSBase = temp; \ + break; \ case 3: /* SH */ \ if (LoadHalfWord (state, instr, lhs, LSIGNED)) \ - LSBase = temp; \ - break; \ + LSBase = temp; \ + break; \ case 0: /* SWP handled elsewhere. */ \ default: \ - done = 0; \ - break; \ + done = 0; \ + break; \ } \ if (done) \ - break; \ + break; \ } /* Load post increment writeback. */ #define LHPOSTUP() \ { \ - int done = 1; \ - lhs = LHS; \ - temp = lhs + GetLS7RHS (state, instr); \ - \ - switch (BITS (5, 6)) \ - { \ + int done = 1; \ + lhs = LHS; \ + temp = lhs + GetLS7RHS (state, instr); \ + \ + switch (BITS (5, 6)) \ + { \ case 1: /* H */ \ if (LoadHalfWord (state, instr, lhs, LUNSIGNED)) \ - LSBase = temp; \ - break; \ + LSBase = temp; \ + break; \ case 2: /* SB */ \ if (LoadByte (state, instr, lhs, LSIGNED)) \ - LSBase = temp; \ - break; \ + LSBase = temp; \ + break; \ case 3: /* SH */ \ if (LoadHalfWord (state, instr, lhs, LSIGNED)) \ - LSBase = temp; \ - break; \ + LSBase = temp; \ + break; \ case 0: /* SWP handled elsewhere. */ \ default: \ - done = 0; \ - break; \ + done = 0; \ + break; \ } \ if (done) \ - break; \ + break; \ } /* Load pre decrement. */ -#define LHPREDOWN() \ -{ \ - int done = 1; \ - \ - temp = LHS - GetLS7RHS (state, instr); \ - switch (BITS (5, 6)) \ - { \ - case 1: /* H */ \ - (void) LoadHalfWord (state, instr, temp, LUNSIGNED); \ - break; \ - case 2: /* SB */ \ - (void) LoadByte (state, instr, temp, LSIGNED); \ - break; \ - case 3: /* SH */ \ - (void) LoadHalfWord (state, instr, temp, LSIGNED); \ - break; \ - case 0: \ - /* SWP handled elsewhere. */ \ - default: \ - done = 0; \ - break; \ - } \ - if (done) \ - break; \ +#define LHPREDOWN() \ +{ \ + int done = 1; \ + \ + temp = LHS - GetLS7RHS (state, instr); \ + switch (BITS (5, 6)) \ + { \ + case 1: /* H */ \ + (void) LoadHalfWord (state, instr, temp, LUNSIGNED); \ + break; \ + case 2: /* SB */ \ + (void) LoadByte (state, instr, temp, LSIGNED); \ + break; \ + case 3: /* SH */ \ + (void) LoadHalfWord (state, instr, temp, LSIGNED); \ + break; \ + case 0: \ + /* SWP handled elsewhere. */ \ + default: \ + done = 0; \ + break; \ + } \ + if (done) \ + break; \ } /* Load pre decrement writeback. */ -#define LHPREDOWNWB() \ -{ \ - int done = 1; \ - \ - temp = LHS - GetLS7RHS (state, instr); \ - switch (BITS (5, 6)) \ - { \ - case 1: /* H */ \ - if (LoadHalfWord (state, instr, temp, LUNSIGNED)) \ - LSBase = temp; \ - break; \ - case 2: /* SB */ \ - if (LoadByte (state, instr, temp, LSIGNED)) \ - LSBase = temp; \ - break; \ - case 3: /* SH */ \ - if (LoadHalfWord (state, instr, temp, LSIGNED)) \ - LSBase = temp; \ - break; \ - case 0: \ - /* SWP handled elsewhere. */ \ - default: \ - done = 0; \ - break; \ - } \ - if (done) \ - break; \ +#define LHPREDOWNWB() \ +{ \ + int done = 1; \ + \ + temp = LHS - GetLS7RHS (state, instr); \ + switch (BITS (5, 6)) \ + { \ + case 1: /* H */ \ + if (LoadHalfWord (state, instr, temp, LUNSIGNED)) \ + LSBase = temp; \ + break; \ + case 2: /* SB */ \ + if (LoadByte (state, instr, temp, LSIGNED)) \ + LSBase = temp; \ + break; \ + case 3: /* SH */ \ + if (LoadHalfWord (state, instr, temp, LSIGNED)) \ + LSBase = temp; \ + break; \ + case 0: \ + /* SWP handled elsewhere. */ \ + default: \ + done = 0; \ + break; \ + } \ + if (done) \ + break; \ } /* Load pre increment. */ -#define LHPREUP() \ -{ \ - int done = 1; \ - \ - temp = LHS + GetLS7RHS (state, instr); \ - switch (BITS (5, 6)) \ - { \ - case 1: /* H */ \ - (void) LoadHalfWord (state, instr, temp, LUNSIGNED); \ - break; \ - case 2: /* SB */ \ - (void) LoadByte (state, instr, temp, LSIGNED); \ - break; \ - case 3: /* SH */ \ - (void) LoadHalfWord (state, instr, temp, LSIGNED); \ - break; \ - case 0: \ - /* SWP handled elsewhere. */ \ - default: \ - done = 0; \ - break; \ - } \ - if (done) \ - break; \ +#define LHPREUP() \ +{ \ + int done = 1; \ + \ + temp = LHS + GetLS7RHS (state, instr); \ + switch (BITS (5, 6)) \ + { \ + case 1: /* H */ \ + (void) LoadHalfWord (state, instr, temp, LUNSIGNED); \ + break; \ + case 2: /* SB */ \ + (void) LoadByte (state, instr, temp, LSIGNED); \ + break; \ + case 3: /* SH */ \ + (void) LoadHalfWord (state, instr, temp, LSIGNED); \ + break; \ + case 0: \ + /* SWP handled elsewhere. */ \ + default: \ + done = 0; \ + break; \ + } \ + if (done) \ + break; \ } /* Load pre increment writeback. */ -#define LHPREUPWB() \ -{ \ - int done = 1; \ - \ - temp = LHS + GetLS7RHS (state, instr); \ - switch (BITS (5, 6)) \ - { \ - case 1: /* H */ \ - if (LoadHalfWord (state, instr, temp, LUNSIGNED)) \ - LSBase = temp; \ - break; \ - case 2: /* SB */ \ - if (LoadByte (state, instr, temp, LSIGNED)) \ - LSBase = temp; \ - break; \ - case 3: /* SH */ \ - if (LoadHalfWord (state, instr, temp, LSIGNED)) \ - LSBase = temp; \ - break; \ - case 0: \ - /* SWP handled elsewhere. */ \ - default: \ - done = 0; \ - break; \ - } \ - if (done) \ - break; \ +#define LHPREUPWB() \ +{ \ + int done = 1; \ + \ + temp = LHS + GetLS7RHS (state, instr); \ + switch (BITS (5, 6)) \ + { \ + case 1: /* H */ \ + if (LoadHalfWord (state, instr, temp, LUNSIGNED)) \ + LSBase = temp; \ + break; \ + case 2: /* SB */ \ + if (LoadByte (state, instr, temp, LSIGNED)) \ + LSBase = temp; \ + break; \ + case 3: /* SH */ \ + if (LoadHalfWord (state, instr, temp, LSIGNED)) \ + LSBase = temp; \ + break; \ + case 0: \ + /* SWP handled elsewhere. */ \ + default: \ + done = 0; \ + break; \ + } \ + if (done) \ + break; \ } /*ywc 2005-03-31*/ @@ -306,60 +313,62 @@ unsigned int mirror_register_file[39]; /* EMULATION of ARM6. */ -/* The PC pipeline value depends on whether ARM - or Thumb instructions are being executed. */ -ARMword isize; - extern int debugmode; int ARMul_ICE_debug(ARMul_State *state,ARMword instr,ARMword addr); #ifdef MODE32 //chy 2006-04-12, for ICE debug int ARMul_ICE_debug(ARMul_State *state,ARMword instr,ARMword addr) { - int i; -#if 0 - if (debugmode) { - if (instr == ARMul_ABORTWORD) return 0; - for (i = 0; i < skyeye_ice.num_bps; i++) { - if (skyeye_ice.bps[i] == addr) { - //for test - //printf("SKYEYE: ICE_debug bps [%d]== 0x%x\n", i,addr); - state->EndCondition = 0; - state->Emulate = STOP; - return 1; - } - } - if (skyeye_ice.tps_status==TRACE_STARTED) + return 0; +} + +static int dump = 0; +ARMword ARMul_Debug(ARMul_State * state, ARMword pc, ARMword instr) +{ + /*printf("[%08x] ", pc); + arm11_Disasm32(pc);*/ + + /*if (pc >= 0x0010303C && pc <= 0x00103050) { - for (i = 0; i < skyeye_ice.num_tps; i++) - { - if (((skyeye_ice.tps[i].tp_address==addr)&&(skyeye_ice.tps[i].status==TRACEPOINT_ENABLED))||(skyeye_ice.tps[i].status==TRACEPOINT_STEPPING)) - { - handle_tracepoint(i); - } - } + printf("[%08x] = %08X = ", pc, instr); + arm11_Disasm32(pc); + arm11_Dump(); + }*/ + + //fprintf(stderr,"[%08x]\n", pc); + + //if (pc == 0x00240C88) + // arm11_Dump(); + + /*if (pc == 0x188e04) + { + DEBUG("read %08X %08X %016X %08X %08X from %08X", state->Reg[0], state->Reg[1], state->Reg[2] | state->Reg[3] << 32, mem_Read32(state->Reg[13]), mem_Read32(state->Reg[13] + 4), state->Reg[14]); } - } - /* do profiling for code coverage */ - if (skyeye_config.code_cov.prof_on) - cov_prof(EXEC_FLAG, addr); -#endif - /* chech if we need to run some callback functions at this time */ - //generic_arch_t* arch_instance = get_arch_instance(""); - //exec_callback(Step_callback, arch_instance); - //if (!SIM_is_running()) { - // if (instr == ARMul_ABORTWORD) return 0; - // state->EndCondition = 0; - // state->Emulate = STOP; - // return 1; - //} + if (pc == 0x21222c) + { + arm11_Dump(); + mem_Dbugdump(); + }*/ + + + /*if (pc == 0x0022D168) + { + int j = 0; + }*/ + + /*if (state->Reg[4] == 0x00105734) + { + printf("[%08x] ", pc); + arm11_Disasm32(pc); + }*/ + return 0; } /* void chy_debug() { - printf("SkyEye chy_deubeg begin\n"); + printf("SkyEye chy_deubeg begin\n"); } */ ARMword @@ -369,25 +378,32 @@ ARMword ARMul_Emulate26 (ARMul_State * state) #endif { - ARMword instr; /* The current instruction. */ - ARMword dest = 0; /* Almost the DestBus. */ - ARMword temp; /* Ubiquitous third hand. */ - ARMword pc = 0; /* The address of the current instruction. */ - ARMword lhs; /* Almost the ABus and BBus. */ + /* The PC pipeline value depends on whether ARM + or Thumb instructions are being + d. */ + ARMword isize; + ARMword instr; /* The current instruction. */ + ARMword dest = 0; /* Almost the DestBus. */ + ARMword temp; /* Ubiquitous third hand. */ + ARMword pc = 0; /* The address of the current instruction. */ + ARMword lhs; /* Almost the ABus and BBus. */ ARMword rhs; - ARMword decoded = 0; /* Instruction pipeline. */ + ARMword decoded = 0; /* Instruction pipeline. */ ARMword loaded = 0; ARMword decoded_addr=0; ARMword loaded_addr=0; ARMword have_bp=0; +#ifdef callstacker + char a[256]; +#endif /* shenoubang */ static int instr_sum = 0; int reg_index = 0; #if DIFF_STATE //initialize all mirror register for follow mode for (reg_index = 0; reg_index < 16; reg_index ++) { - mirror_register_file[reg_index] = state->Reg[reg_index]; + mirror_register_file[reg_index] = state->Reg[reg_index]; } mirror_register_file[CPSR_REG] = state->Cpsr; mirror_register_file[R13_SVC] = state->RegBank[SVCBANK][13]; @@ -422,10 +438,10 @@ ARMul_Emulate26 (ARMul_State * state) } do { - //print_func_name(state->pc); + //print_func_name(state->pc); /* Just keep going. */ isize = INSN_SIZE; - + switch (state->NextInstr) { case SEQ: /* Advance the pipeline, and an S cycle. */ @@ -437,7 +453,7 @@ ARMul_Emulate26 (ARMul_State * state) decoded = loaded; decoded_addr=loaded_addr; //loaded = ARMul_LoadInstrS (state, pc + (isize * 2), - // isize); + // isize); loaded_addr=pc + (isize * 2); if (have_bp) goto TEST_EMULATE; break; @@ -452,7 +468,7 @@ ARMul_Emulate26 (ARMul_State * state) decoded = loaded; decoded_addr=loaded_addr; //loaded = ARMul_LoadInstrN (state, pc + (isize * 2), - // isize); + // isize); loaded_addr=pc + (isize * 2); NORMALCYCLE; if (have_bp) goto TEST_EMULATE; @@ -467,7 +483,7 @@ ARMul_Emulate26 (ARMul_State * state) decoded = loaded; decoded_addr=loaded_addr; //loaded = ARMul_LoadInstrS (state, pc + (isize * 2), - // isize); + // isize); loaded_addr=pc + (isize * 2); NORMALCYCLE; if (have_bp) goto TEST_EMULATE; @@ -482,7 +498,7 @@ ARMul_Emulate26 (ARMul_State * state) decoded = loaded; decoded_addr=loaded_addr; //loaded = ARMul_LoadInstrN (state, pc + (isize * 2), - // isize); + // isize); loaded_addr=pc + (isize * 2); NORMALCYCLE; if (have_bp) goto TEST_EMULATE; @@ -504,10 +520,10 @@ ARMul_Emulate26 (ARMul_State * state) //chy 2006-04-12, for ICE debug have_bp=ARMul_ICE_debug(state,instr,pc); //decoded = - // ARMul_ReLoadInstr (state, pc + isize, isize); + // ARMul_ReLoadInstr (state, pc + isize, isize); decoded_addr=pc+isize; //loaded = ARMul_ReLoadInstr (state, pc + isize * 2, - // isize); + // isize); loaded_addr=pc + isize * 2; NORMALCYCLE; if (have_bp) goto TEST_EMULATE; @@ -527,15 +543,15 @@ ARMul_Emulate26 (ARMul_State * state) instr = ARMul_LoadInstrN (state, pc, isize); //chy 2006-04-12, for ICE debug have_bp=ARMul_ICE_debug(state,instr,pc); - #if 0 +#if 0 decoded = ARMul_LoadInstrS (state, pc + (isize), isize); - #endif +#endif decoded_addr=pc+isize; - #if 0 +#if 0 loaded = ARMul_LoadInstrS (state, pc + (isize * 2), - isize); - #endif + isize); +#endif loaded_addr=pc + isize * 2; NORMALCYCLE; if (have_bp) goto TEST_EMULATE; @@ -544,164 +560,161 @@ ARMul_Emulate26 (ARMul_State * state) #if 0 int idx = 0; printf("pc:%x\n", pc); - for (;idx < 17; idx ++) { - printf("R%d:%x\t", idx, state->Reg[idx]); + for (; idx < 17; idx ++) { + printf("R%d:%x\t", idx, state->Reg[idx]); } printf("\n"); #endif - instr = ARMul_LoadInstrN (state, pc, isize); - state->last_instr = state->CurrInstr; - state->CurrInstr = instr; + instr = ARMul_LoadInstrN (state, pc, isize); + state->last_instr = state->CurrInstr; + state->CurrInstr = instr; + ARMul_Debug(state, pc, instr); #if 0 - if((state->NumInstrs % 10000000) == 0) - printf("---|%p|--- %lld\n", pc, state->NumInstrs); - if(state->NumInstrs > (3000000000)){ - static int flag = 0; - if(pc == 0x8032ccc4){ - flag = 300; - } - if(flag){ - int idx = 0; - printf("------------------------------------\n"); + if((state->NumInstrs % 10000000) == 0) + printf("---|%p|--- %lld\n", pc, state->NumInstrs); + if(state->NumInstrs > (3000000000)) { + static int flag = 0; + if(pc == 0x8032ccc4) { + flag = 300; + } + if(flag) { + int idx = 0; + printf("------------------------------------\n"); printf("pc:%x\n", pc); - for (;idx < 17; idx ++) { - printf("R%d:%x\t", idx, state->Reg[idx]); + for (; idx < 17; idx ++) { + printf("R%d:%x\t", idx, state->Reg[idx]); } - printf("\nN:%d\t Z:%d\t C:%d\t V:%d\n", state->NFlag, state->ZFlag, state->CFlag, state->VFlag); + printf("\nN:%d\t Z:%d\t C:%d\t V:%d\n", state->NFlag, state->ZFlag, state->CFlag, state->VFlag); printf("\n"); - printf("------------------------------------\n"); - flag--; + printf("------------------------------------\n"); + flag--; + } } - } -#endif +#endif #if DIFF_STATE - fprintf(state->state_log, "PC:0x%x\n", pc); - if (pc && (pc + 8) != state->Reg[15]) { - printf("lucky dog\n"); - printf("pc is %x, R15 is %x\n", pc, state->Reg[15]); - //exit(-1); - } - for (reg_index = 0; reg_index < 16; reg_index ++) { - if (state->Reg[reg_index] != mirror_register_file[reg_index]) { - fprintf(state->state_log, "R%d:0x%x\n", reg_index, state->Reg[reg_index]); - mirror_register_file[reg_index] = state->Reg[reg_index]; - } - } - if (state->Cpsr != mirror_register_file[CPSR_REG]) { - fprintf(state->state_log, "Cpsr:0x%x\n", state->Cpsr); - mirror_register_file[CPSR_REG] = state->Cpsr; - } - if (state->RegBank[SVCBANK][13] != mirror_register_file[R13_SVC]) { - fprintf(state->state_log, "R13_SVC:0x%x\n", state->RegBank[SVCBANK][13]); - mirror_register_file[R13_SVC] = state->RegBank[SVCBANK][13]; - } - if (state->RegBank[SVCBANK][14] != mirror_register_file[R14_SVC]) { - fprintf(state->state_log, "R14_SVC:0x%x\n", state->RegBank[SVCBANK][14]); - mirror_register_file[R14_SVC] = state->RegBank[SVCBANK][14]; - } - if (state->RegBank[ABORTBANK][13] != mirror_register_file[R13_ABORT]) { - fprintf(state->state_log, "R13_ABORT:0x%x\n", state->RegBank[ABORTBANK][13]); - mirror_register_file[R13_ABORT] = state->RegBank[ABORTBANK][13]; - } - if (state->RegBank[ABORTBANK][14] != mirror_register_file[R14_ABORT]) { - fprintf(state->state_log, "R14_ABORT:0x%x\n", state->RegBank[ABORTBANK][14]); - mirror_register_file[R14_ABORT] = state->RegBank[ABORTBANK][14]; - } - if (state->RegBank[UNDEFBANK][13] != mirror_register_file[R13_UNDEF]) { - fprintf(state->state_log, "R13_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][13]); - mirror_register_file[R13_UNDEF] = state->RegBank[UNDEFBANK][13]; - } - if (state->RegBank[UNDEFBANK][14] != mirror_register_file[R14_UNDEF]) { - fprintf(state->state_log, "R14_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][14]); - mirror_register_file[R14_UNDEF] = state->RegBank[UNDEFBANK][14]; - } - if (state->RegBank[IRQBANK][13] != mirror_register_file[R13_IRQ]) { - fprintf(state->state_log, "R13_IRQ:0x%x\n", state->RegBank[IRQBANK][13]); - mirror_register_file[R13_IRQ] = state->RegBank[IRQBANK][13]; - } - if (state->RegBank[IRQBANK][14] != mirror_register_file[R14_IRQ]) { - fprintf(state->state_log, "R14_IRQ:0x%x\n", state->RegBank[IRQBANK][14]); - mirror_register_file[R14_IRQ] = state->RegBank[IRQBANK][14]; - } - if (state->RegBank[FIQBANK][8] != mirror_register_file[R8_FIRQ]) { - fprintf(state->state_log, "R8_FIRQ:0x%x\n", state->RegBank[FIQBANK][8]); - mirror_register_file[R8_FIRQ] = state->RegBank[FIQBANK][8]; - } - if (state->RegBank[FIQBANK][9] != mirror_register_file[R9_FIRQ]) { - fprintf(state->state_log, "R9_FIRQ:0x%x\n", state->RegBank[FIQBANK][9]); - mirror_register_file[R9_FIRQ] = state->RegBank[FIQBANK][9]; - } - if (state->RegBank[FIQBANK][10] != mirror_register_file[R10_FIRQ]) { - fprintf(state->state_log, "R10_FIRQ:0x%x\n", state->RegBank[FIQBANK][10]); - mirror_register_file[R10_FIRQ] = state->RegBank[FIQBANK][10]; - } - if (state->RegBank[FIQBANK][11] != mirror_register_file[R11_FIRQ]) { - fprintf(state->state_log, "R11_FIRQ:0x%x\n", state->RegBank[FIQBANK][11]); - mirror_register_file[R11_FIRQ] = state->RegBank[FIQBANK][11]; - } - if (state->RegBank[FIQBANK][12] != mirror_register_file[R12_FIRQ]) { - fprintf(state->state_log, "R12_FIRQ:0x%x\n", state->RegBank[FIQBANK][12]); - mirror_register_file[R12_FIRQ] = state->RegBank[FIQBANK][12]; - } - if (state->RegBank[FIQBANK][13] != mirror_register_file[R13_FIRQ]) { - fprintf(state->state_log, "R13_FIRQ:0x%x\n", state->RegBank[FIQBANK][13]); - mirror_register_file[R13_FIRQ] = state->RegBank[FIQBANK][13]; - } - if (state->RegBank[FIQBANK][14] != mirror_register_file[R14_FIRQ]) { - fprintf(state->state_log, "R14_FIRQ:0x%x\n", state->RegBank[FIQBANK][14]); - mirror_register_file[R14_FIRQ] = state->RegBank[FIQBANK][14]; - } - if (state->Spsr[SVCBANK] != mirror_register_file[SPSR_SVC]) { - fprintf(state->state_log, "SPSR_SVC:0x%x\n", state->Spsr[SVCBANK]); - mirror_register_file[SPSR_SVC] = state->RegBank[SVCBANK]; - } - if (state->Spsr[ABORTBANK] != mirror_register_file[SPSR_ABORT]) { - fprintf(state->state_log, "SPSR_ABORT:0x%x\n", state->Spsr[ABORTBANK]); - mirror_register_file[SPSR_ABORT] = state->RegBank[ABORTBANK]; - } - if (state->Spsr[UNDEFBANK] != mirror_register_file[SPSR_UNDEF]) { - fprintf(state->state_log, "SPSR_UNDEF:0x%x\n", state->Spsr[UNDEFBANK]); - mirror_register_file[SPSR_UNDEF] = state->RegBank[UNDEFBANK]; - } - if (state->Spsr[IRQBANK] != mirror_register_file[SPSR_IRQ]) { - fprintf(state->state_log, "SPSR_IRQ:0x%x\n", state->Spsr[IRQBANK]); - mirror_register_file[SPSR_IRQ] = state->RegBank[IRQBANK]; - } - if (state->Spsr[FIQBANK] != mirror_register_file[SPSR_FIRQ]) { - fprintf(state->state_log, "SPSR_FIRQ:0x%x\n", state->Spsr[FIQBANK]); - mirror_register_file[SPSR_FIRQ] = state->RegBank[FIQBANK]; - } + fprintf(state->state_log, "PC:0x%x\n", pc); + if (pc && (pc + 8) != state->Reg[15]) { + printf("lucky dog\n"); + printf("pc is %x, R15 is %x\n", pc, state->Reg[15]); + //exit(-1); + } + for (reg_index = 0; reg_index < 16; reg_index ++) { + if (state->Reg[reg_index] != mirror_register_file[reg_index]) { + fprintf(state->state_log, "R%d:0x%x\n", reg_index, state->Reg[reg_index]); + mirror_register_file[reg_index] = state->Reg[reg_index]; + } + } + if (state->Cpsr != mirror_register_file[CPSR_REG]) { + fprintf(state->state_log, "Cpsr:0x%x\n", state->Cpsr); + mirror_register_file[CPSR_REG] = state->Cpsr; + } + if (state->RegBank[SVCBANK][13] != mirror_register_file[R13_SVC]) { + fprintf(state->state_log, "R13_SVC:0x%x\n", state->RegBank[SVCBANK][13]); + mirror_register_file[R13_SVC] = state->RegBank[SVCBANK][13]; + } + if (state->RegBank[SVCBANK][14] != mirror_register_file[R14_SVC]) { + fprintf(state->state_log, "R14_SVC:0x%x\n", state->RegBank[SVCBANK][14]); + mirror_register_file[R14_SVC] = state->RegBank[SVCBANK][14]; + } + if (state->RegBank[ABORTBANK][13] != mirror_register_file[R13_ABORT]) { + fprintf(state->state_log, "R13_ABORT:0x%x\n", state->RegBank[ABORTBANK][13]); + mirror_register_file[R13_ABORT] = state->RegBank[ABORTBANK][13]; + } + if (state->RegBank[ABORTBANK][14] != mirror_register_file[R14_ABORT]) { + fprintf(state->state_log, "R14_ABORT:0x%x\n", state->RegBank[ABORTBANK][14]); + mirror_register_file[R14_ABORT] = state->RegBank[ABORTBANK][14]; + } + if (state->RegBank[UNDEFBANK][13] != mirror_register_file[R13_UNDEF]) { + fprintf(state->state_log, "R13_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][13]); + mirror_register_file[R13_UNDEF] = state->RegBank[UNDEFBANK][13]; + } + if (state->RegBank[UNDEFBANK][14] != mirror_register_file[R14_UNDEF]) { + fprintf(state->state_log, "R14_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][14]); + mirror_register_file[R14_UNDEF] = state->RegBank[UNDEFBANK][14]; + } + if (state->RegBank[IRQBANK][13] != mirror_register_file[R13_IRQ]) { + fprintf(state->state_log, "R13_IRQ:0x%x\n", state->RegBank[IRQBANK][13]); + mirror_register_file[R13_IRQ] = state->RegBank[IRQBANK][13]; + } + if (state->RegBank[IRQBANK][14] != mirror_register_file[R14_IRQ]) { + fprintf(state->state_log, "R14_IRQ:0x%x\n", state->RegBank[IRQBANK][14]); + mirror_register_file[R14_IRQ] = state->RegBank[IRQBANK][14]; + } + if (state->RegBank[FIQBANK][8] != mirror_register_file[R8_FIRQ]) { + fprintf(state->state_log, "R8_FIRQ:0x%x\n", state->RegBank[FIQBANK][8]); + mirror_register_file[R8_FIRQ] = state->RegBank[FIQBANK][8]; + } + if (state->RegBank[FIQBANK][9] != mirror_register_file[R9_FIRQ]) { + fprintf(state->state_log, "R9_FIRQ:0x%x\n", state->RegBank[FIQBANK][9]); + mirror_register_file[R9_FIRQ] = state->RegBank[FIQBANK][9]; + } + if (state->RegBank[FIQBANK][10] != mirror_register_file[R10_FIRQ]) { + fprintf(state->state_log, "R10_FIRQ:0x%x\n", state->RegBank[FIQBANK][10]); + mirror_register_file[R10_FIRQ] = state->RegBank[FIQBANK][10]; + } + if (state->RegBank[FIQBANK][11] != mirror_register_file[R11_FIRQ]) { + fprintf(state->state_log, "R11_FIRQ:0x%x\n", state->RegBank[FIQBANK][11]); + mirror_register_file[R11_FIRQ] = state->RegBank[FIQBANK][11]; + } + if (state->RegBank[FIQBANK][12] != mirror_register_file[R12_FIRQ]) { + fprintf(state->state_log, "R12_FIRQ:0x%x\n", state->RegBank[FIQBANK][12]); + mirror_register_file[R12_FIRQ] = state->RegBank[FIQBANK][12]; + } + if (state->RegBank[FIQBANK][13] != mirror_register_file[R13_FIRQ]) { + fprintf(state->state_log, "R13_FIRQ:0x%x\n", state->RegBank[FIQBANK][13]); + mirror_register_file[R13_FIRQ] = state->RegBank[FIQBANK][13]; + } + if (state->RegBank[FIQBANK][14] != mirror_register_file[R14_FIRQ]) { + fprintf(state->state_log, "R14_FIRQ:0x%x\n", state->RegBank[FIQBANK][14]); + mirror_register_file[R14_FIRQ] = state->RegBank[FIQBANK][14]; + } + if (state->Spsr[SVCBANK] != mirror_register_file[SPSR_SVC]) { + fprintf(state->state_log, "SPSR_SVC:0x%x\n", state->Spsr[SVCBANK]); + mirror_register_file[SPSR_SVC] = state->RegBank[SVCBANK]; + } + if (state->Spsr[ABORTBANK] != mirror_register_file[SPSR_ABORT]) { + fprintf(state->state_log, "SPSR_ABORT:0x%x\n", state->Spsr[ABORTBANK]); + mirror_register_file[SPSR_ABORT] = state->RegBank[ABORTBANK]; + } + if (state->Spsr[UNDEFBANK] != mirror_register_file[SPSR_UNDEF]) { + fprintf(state->state_log, "SPSR_UNDEF:0x%x\n", state->Spsr[UNDEFBANK]); + mirror_register_file[SPSR_UNDEF] = state->RegBank[UNDEFBANK]; + } + if (state->Spsr[IRQBANK] != mirror_register_file[SPSR_IRQ]) { + fprintf(state->state_log, "SPSR_IRQ:0x%x\n", state->Spsr[IRQBANK]); + mirror_register_file[SPSR_IRQ] = state->RegBank[IRQBANK]; + } + if (state->Spsr[FIQBANK] != mirror_register_file[SPSR_FIRQ]) { + fprintf(state->state_log, "SPSR_FIRQ:0x%x\n", state->Spsr[FIQBANK]); + mirror_register_file[SPSR_FIRQ] = state->RegBank[FIQBANK]; + } #endif #if 0 uint32_t alex = 0; static int flagged = 0; - if ((flagged == 0) && (pc == 0xb224)) - { + if ((flagged == 0) && (pc == 0xb224)) { flagged++; } - if ((flagged == 1) && (pc == 0x1a800)) - { + if ((flagged == 1) && (pc == 0x1a800)) { flagged++; } if (flagged == 3) { printf("---|%p|--- %x\n", pc, state->NumInstrs); - for (alex = 0; alex < 15; alex++) - { + for (alex = 0; alex < 15; alex++) { printf("R%02d % 8x\n", alex, state->Reg[alex]); } printf("R%02d % 8x\n", alex, state->Reg[alex] - 8); printf("CPS %x%07x\n", (state->NFlag<<3 | state->ZFlag<<2 | state->CFlag<<1 | state->VFlag), state->Cpsr & 0xfffffff); } else { - if (state->NumInstrs < 0x400000) - { + if (state->NumInstrs < 0x400000) { //exit(-1); } } #endif - if (state->EventSet) - ARMul_EnvokeEvent (state); + /*if (state->EventSet) + ARMul_EnvokeEvent (state);*/ #if 0 /* do profiling for code coverage */ @@ -712,7 +725,7 @@ ARMul_Emulate26 (ARMul_State * state) #if 0 if (skyeye_config.log.logon >= 1) { if (state->NumInstrs >= skyeye_config.log.start && - state->NumInstrs <= skyeye_config.log.end) { + state->NumInstrs <= skyeye_config.log.end) { static int mybegin = 0; static int myinstrnum = 0; if (mybegin == 0) @@ -736,16 +749,16 @@ ARMul_Emulate26 (ARMul_State * state) printf ("***********SKYEYE: numinstr = 67347000, begin log\n"); mybegin = 1; } - if (pc == 0xc00087b4) { //numinstr=67348714 + if (pc == 0xc00087b4) { //numinstr=67348714 mybegin = 1; printf ("************SKYEYE: test irq now numinstr is %llu ****************\n", state->NumInstrs); } - if (pc == 0xc00087b8) { //in start_kernel::sti() + if (pc == 0xc00087b8) { //in start_kernel::sti() mybeg4 = 1; printf ("************SKYEYE: startkerenl: sti now numinstr is %llu ********\n", state->NumInstrs); } /*if (pc==0xc001e4f4||pc==0xc001e4f8||pc==0xc001e4fc||pc==0xc001e500||pc==0xffff0004) { //MRA instr */ - if (pc == 0xc001e500) { //MRA instr + if (pc == 0xc001e500) { //MRA instr mybeg5 = 1; printf ("************SKYEYE: MRA instr now numinstr is %llu ********\n", state->NumInstrs); } @@ -755,7 +768,7 @@ ARMul_Emulate26 (ARMul_State * state) SKYEYE_OUTREGS (stderr); printf ("************************************************************************\n"); } - //chy 2003-09-01 test after tlb-flush + //chy 2003-09-01 test after tlb-flush if (pc == 0xc00261ac) { //sleep(2); mybeg3 = 1; @@ -779,29 +792,29 @@ ARMul_Emulate26 (ARMul_State * state) } */ if (skyeye_config.log.logon >= 1) - /* - fprintf (skyeye_logfd, - "N %llx :p %x,i %x,", - state->NumInstrs, pc, -#ifdef MODET - TFLAG ? instr & 0xffff : instr -#else - instr -#endif - ); - */ + /* + fprintf (skyeye_logfd, + "N %llx :p %x,i %x,", + state->NumInstrs, pc, + #ifdef MODET + TFLAG ? instr & 0xffff : instr + #else + instr + #endif + ); + */ fprintf(skyeye_logfd, "pc=0x%x,r3=0x%x\n", pc, state->Reg[3]); if (skyeye_config.log.logon >= 2) SKYEYE_OUTREGS (skyeye_logfd); if (skyeye_config.log.logon >= 3) SKYEYE_OUTMOREREGS - (skyeye_logfd); + (skyeye_logfd); //fprintf (skyeye_logfd, "\n"); if (skyeye_config.log.length > 0) { myinstrnum++; if (myinstrnum >= - skyeye_config.log. - length) { + skyeye_config.log. + length) { myinstrnum = 0; fflush (skyeye_logfd); fseek (skyeye_logfd, @@ -814,21 +827,21 @@ ARMul_Emulate26 (ARMul_State * state) } } #endif -#if 0 /* Enable this for a helpful bit of debugging when tracing is needed. */ +#if 0 /* Enable this for a helpful bit of debugging when tracing is needed. */ fprintf (stderr, "pc: %x, instr: %x\n", pc & ~1, instr); if (instr == 0) abort (); #endif -#if 0 /* Enable this code to help track down stack alignment bugs. */ +#if 0 /* Enable this code to help track down stack alignment bugs. */ { static ARMword old_sp = -1; if (old_sp != state->Reg[13]) { old_sp = state->Reg[13]; fprintf (stderr, - "pc: %08x: SP set to %08x%s\n", - pc & ~1, old_sp, - (old_sp % 8) ? " [UNALIGNED!]" : ""); + "pc: %08x: SP set to %08x%s\n", + pc & ~1, old_sp, + (old_sp % 8) ? " [UNALIGNED!]" : ""); } } #endif @@ -840,15 +853,13 @@ ARMul_Emulate26 (ARMul_State * state) //chy 2005-07-28 for standalone //ARMul_do_energy(state,instr,pc); break; - } - else if (!state->NfiqSig && !FFLAG) { + } else if (!state->NfiqSig && !FFLAG) { ARMul_Abort (state, ARMul_FIQV); /*added energy_prof statement by ksh in 2004-11-26 */ //chy 2005-07-28 for standalone //ARMul_do_energy(state,instr,pc); break; - } - else if (!state->NirqSig && !IFLAG) { + } else if (!state->NirqSig && !IFLAG) { ARMul_Abort (state, ARMul_IRQV); /*added energy_prof statement by ksh in 2004-11-26 */ //chy 2005-07-28 for standalone @@ -860,11 +871,11 @@ ARMul_Emulate26 (ARMul_State * state) #if 0 // if (state->pc == 0xc011a868 || state->pc == 0xc011a86c) { if (state->NumInstrs == 1671574 || state->NumInstrs == 1671573 || state->NumInstrs == 1671572 - || state->NumInstrs == 1671575) { - for (reg_index = 0; reg_index < 16; reg_index ++) { - printf("R%d:%x\t", reg_index, state->Reg[reg_index]); - } - printf("\n"); + || state->NumInstrs == 1671575) { + for (reg_index = 0; reg_index < 16; reg_index ++) { + printf("R%d:%x\t", reg_index, state->Reg[reg_index]); + } + printf("\n"); } #endif if (state->tea_pc) { @@ -874,14 +885,13 @@ ARMul_Emulate26 (ARMul_State * state) fprintf (state->tea_reg_fd, "\n"); for (i = 0; i < 15; i++) { fprintf (state->tea_reg_fd, "%x,", - state->Reg[i]); + state->Reg[i]); } fprintf (state->tea_reg_fd, "%x,", pc); state->Cpsr = ARMul_GetCPSR (state); fprintf (state->tea_reg_fd, "%x\n", - state->Cpsr); - } - else { + state->Cpsr); + } else { printf ("\n"); for (i = 0; i < 15; i++) { printf ("%x,", state->Reg[i]); @@ -893,30 +903,31 @@ ARMul_Emulate26 (ARMul_State * state) } //AJ2D-------------------------------------------------------------------------- - if (state->CallDebug > 0) { - instr = ARMul_Debug (state, pc, instr); - if (state->Emulate < ONCE) { - state->NextInstr = RESUME; - break; - } - if (state->Debug) { - fprintf (stderr, - "sim: At %08lx Instr %08lx Mode %02lx\n", - pc, instr, state->Mode); - (void) fgetc (stdin); - } + /*if (state->CallDebug > 0) { + instr = ARMul_Debug (state, pc, instr); + if (state->Emulate < ONCE) { + state->NextInstr = RESUME; + break; + } + if (state->Debug) { + fprintf (stderr, + "sim: At %08lx Instr %08lx Mode %02lx\n", + pc, instr, state->Mode); + (void) fgetc (stdin); + } } - else if (state->Emulate < ONCE) { + else*/ + if (state->Emulate < ONCE) { state->NextInstr = RESUME; break; } //io_do_cycle (state); state->NumInstrs++; - #if 0 +#if 0 if (state->NumInstrs % 10000000 == 0) { - printf("10 MIPS instr have been executed\n"); + printf("10 MIPS instr have been executed\n"); } - #endif +#endif #ifdef MODET /* Provide Thumb instruction decoding. If the processor is in Thumb @@ -927,23 +938,31 @@ ARMul_Emulate26 (ARMul_State * state) pipelined PC value is used when executing Thumb code, and also for dealing with the BL instruction. */ if (TFLAG) { - ARMword new_instr; - + ARMword armOp = 0; /* Check if in Thumb mode. */ - switch (ARMul_ThumbDecode(state, pc, instr, &new_instr)) { + switch (ARMul_ThumbDecode(state, pc, instr, &armOp)) { case t_undefined: /* This is a Thumb instruction. */ ARMul_UndefInstr (state, instr); - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; + goto donext; case t_branch: /* Already processed. */ - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; + //pc = state->Reg[15] - 2; + //state->pc = state->Reg[15] - 2; //ichfly why do I need that + goto donext; case t_decoded: /* ARM instruction available. */ - //printf("t decode %04lx -> %08lx\n", instr & 0xffff, new); - instr = new_instr; + //printf("t decode %04lx -> %08lx\n", instr & 0xffff, armOp); + + if (armOp == 0xDEADC0DE) + { + DEBUG("Failed to decode thumb opcode %04X at %08X\n", instr, pc); + } + + instr = armOp; + /* So continue instruction decoding. */ break; default: @@ -969,11 +988,11 @@ ARMul_Emulate26 (ARMul_State * state) if (state->is_v7) { if ((instr & 0x0fffff00) == 0x057ff000) { switch((instr >> 4) & 0xf) { - case 4: /* dsb */ - case 5: /* dmb */ - case 6: /* isb */ - // TODO: do no implemented thes instr - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; + case 4: /* dsb */ + case 5: /* dmb */ + case 6: /* isb */ + // TODO: do no implemented thes instr + goto donext; } } } @@ -982,17 +1001,16 @@ ARMul_Emulate26 (ARMul_State * state) /* clrex do nothing here temporary */ if (instr == 0xf57ff01f) { //printf("clrex \n"); - ERROR_LOG(ARM11, "Instr = 0x%x, pc = 0x%x, clrex instr!!\n", instr, pc); #if 0 int i; - for(i = 0; i < 128; i++){ + for(i = 0; i < 128; i++) { state->exclusive_tag_array[i] = 0xffffffff; } #endif /* shenoubang 2012-3-14 refer the dyncom_interpreter */ state->exclusive_tag_array[0] = 0xFFFFFFFF; state->exclusive_access_state = 0; - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; + goto donext; } if (BITS(20, 27) == 0x10) { @@ -1022,18 +1040,15 @@ ARMul_Emulate26 (ARMul_State * state) state->Cpsr |= BITS(0, 4); printf("skyeye test state->Mode\n"); if (state->Mode != (state->Cpsr & MODEBITS)) { - state->Mode = - ARMul_SwitchMode (state, state->Mode, - state->Cpsr & MODEBITS); - + state->Mode = ARMul_SwitchMode (state, state->Mode, state->Cpsr & MODEBITS); state->NtransSig = (state->Mode & 3) ? HIGH : LOW; } } - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; + goto donext; } } if (state->is_v5) { - if (BITS (25, 27) == 5) { /* BLX(1) */ + if (BITS (25, 27) == 5) { /* BLX(1) */ ARMword dest; state->Reg[14] = pc + 4; @@ -1042,25 +1057,22 @@ ARMul_Emulate26 (ARMul_State * state) dest = pc + 8 + 1; if (BIT (23)) dest += (NEGBRANCH + - (BIT (24) << 1)); + (BIT (24) << 1)); else dest += POSBRANCH + - (BIT (24) << 1); + (BIT (24) << 1); WriteR15Branch (state, dest); - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; - } - else if ((instr & 0xFC70F000) == 0xF450F000) { + goto donext; + } else if ((instr & 0xFC70F000) == 0xF450F000) { /* The PLD instruction. Ignored. */ - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; - } - else if (((instr & 0xfe500f00) == 0xfc100100) - || ((instr & 0xfe500f00) == - 0xfc000100)) { + goto donext; + } else if (((instr & 0xfe500f00) == 0xfc100100) + || ((instr & 0xfe500f00) == + 0xfc000100)) { /* wldrw and wstrw are unconditional. */ goto mainswitch; - } - else { + } else { /* UNDEFINED in v5, UNPREDICTABLE in v3, v4, non executed in v1, v2. */ ARMul_UndefInstr (state, instr); } @@ -1105,206 +1117,20 @@ ARMul_Emulate26 (ARMul_State * state) break; case GT: temp = ((!NFLAG && !VFLAG && !ZFLAG) - || (NFLAG && VFLAG && !ZFLAG)); + || (NFLAG && VFLAG && !ZFLAG)); break; case LE: temp = ((NFLAG && !VFLAG) || (!NFLAG && VFLAG)) - || ZFLAG; + || ZFLAG; break; - } /* cc check */ + } /* cc check */ //chy 2003-08-24 now #if 0 .... #endif process cp14, cp15.reg14, I disable it... -#if 0 - /* Handle the Clock counter here. */ - if (state->is_XScale) { - ARMword cp14r0; - int ok; - - ok = state->CPRead[14] (state, 0, &cp14r0); - - if (ok && (cp14r0 & ARMul_CP14_R0_ENABLE)) { - unsigned int newcycles, nowtime = - ARMul_Time (state); - - newcycles = nowtime - state->LastTime; - state->LastTime = nowtime; - - if (cp14r0 & ARMul_CP14_R0_CCD) { - if (state->CP14R0_CCD == -1) - state->CP14R0_CCD = newcycles; - else - state->CP14R0_CCD += - newcycles; - - if (state->CP14R0_CCD >= 64) { - newcycles = 0; - - while (state->CP14R0_CCD >= - 64) - state->CP14R0_CCD -= - 64, - newcycles++; - - goto check_PMUintr; - } - } - else { - ARMword cp14r1; - int do_int = 0; - - state->CP14R0_CCD = -1; - check_PMUintr: - cp14r0 |= ARMul_CP14_R0_FLAG2; - (void) state->CPWrite[14] (state, 0, - cp14r0); - - ok = state->CPRead[14] (state, 1, - &cp14r1); - - /* Coded like this for portability. */ - while (ok && newcycles) { - if (cp14r1 == 0xffffffff) { - cp14r1 = 0; - do_int = 1; - } - else - cp14r1++; - - newcycles--; - } - - (void) state->CPWrite[14] (state, 1, - cp14r1); - - if (do_int - && (cp14r0 & - ARMul_CP14_R0_INTEN2)) { - ARMword temp; - - if (state-> - CPRead[13] (state, 8, - &temp) - && (temp & - ARMul_CP13_R8_PMUS)) - ARMul_Abort (state, - ARMul_FIQV); - else - ARMul_Abort (state, - ARMul_IRQV); - } - } - } - } - - /* Handle hardware instructions breakpoints here. */ - if (state->is_XScale) { - if ((pc | 3) == (read_cp15_reg (14, 0, 8) | 2) - || (pc | 3) == (read_cp15_reg (14, 0, 9) | 2)) { - if (XScale_debug_moe - (state, ARMul_CP14_R10_MOE_IB)) - ARMul_OSHandleSWI (state, - SWI_Breakpoint); - } - } -#endif /* Actual execution of instructions begins here. */ /* If the condition codes don't match, stop here. */ if (temp) { - mainswitch: - - if (state->is_XScale) { - if (BIT (20) == 0 && BITS (25, 27) == 0) { - if (BITS (4, 7) == 0xD) { - /* XScale Load Consecutive insn. */ - ARMword temp = - GetLS7RHS (state, - instr); - ARMword temp2 = - BIT (23) ? LHS + - temp : LHS - temp; - ARMword addr = - BIT (24) ? temp2 : - LHS; - - if (BIT (12)) - ARMul_UndefInstr - (state, - instr); - else if (addr & 7) - /* Alignment violation. */ - ARMul_Abort (state, - ARMul_DataAbortV); - else { - int wb = BIT (21) - || - (!BIT (24)); - - state->Reg[BITS - (12, 15)] = - ARMul_LoadWordN - (state, addr); - state->Reg[BITS - (12, - 15) + 1] = - ARMul_LoadWordN - (state, - addr + 4); - if (wb) - LSBase = temp2; - } - - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; - } - else if (BITS (4, 7) == 0xF) { - /* XScale Store Consecutive insn. */ - ARMword temp = - GetLS7RHS (state, - instr); - ARMword temp2 = - BIT (23) ? LHS + - temp : LHS - temp; - ARMword addr = - BIT (24) ? temp2 : - LHS; - - if (BIT (12)) - ARMul_UndefInstr - (state, - instr); - else if (addr & 7) - /* Alignment violation. */ - ARMul_Abort (state, - ARMul_DataAbortV); - else { - ARMul_StoreWordN - (state, addr, - state-> - Reg[BITS - (12, - 15)]); - ARMul_StoreWordN - (state, - addr + 4, - state-> - Reg[BITS - (12, - 15) + - 1]); - - if (BIT (21) - || !BIT (24)) - LSBase = temp2; - } - - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; - } - } - //chy 2003-09-03 TMRRC(iwmmxt.c) and MRA has the same decoded instr???? - //Now, I commit iwmmxt process, may be future, I will change it!!!! - //if (ARMul_HandleIwmmxt (state, instr)) - // _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; - } +mainswitch: /* shenoubang sbfx and ubfx instr 2012-3-16 */ if (state->is_v6) { @@ -1319,52 +1145,51 @@ ARMul_Emulate26 (ARMul_State * state) Rn = (unsigned)BITS(0, 3); if ((Rd == 15) || (Rn == 15)) { ARMul_UndefInstr (state, instr); - } - else if ((m + width) < 32) { + } else if ((m + width) < 32) { data = state->Reg[Rn]; state->Reg[Rd] ^= state->Reg[Rd]; - state->Reg[Rd] = - ((ARMword)(data << (31 -(m + width))) >> ((31 - (m + width)) + (m))); + state->Reg[Rd] = ((ARMword)(data << (31 -(m + width))) >> ((31 - (m + width)) + (m))); //SKYEYE_LOG_IN_CLR(RED, "UBFX: In %s, line = %d, Reg_src[%d] = 0x%x, Reg_d[%d] = 0x%x, m = %d, width = %d, Rd = %d, Rn = %d\n", - // __FUNCTION__, __LINE__, Rn, data, Rd, state->Reg[Rd], m, width + 1, Rd, Rn); - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; + // __FUNCTION__, __LINE__, Rn, data, Rd, state->Reg[Rd], m, width + 1, Rd, Rn); + goto donext; } } // ubfx instr else if ((((int) BITS (21, 27)) == 0x3d) && (((int) BITS (4, 6)) == 0x5)) { int tmp = 0; - Rd = BITS(12, 15); Rn = BITS(0, 3); - lsb = BITS(7, 11); width = BITS(16, 20); + Rd = BITS(12, 15); + Rn = BITS(0, 3); + lsb = BITS(7, 11); + width = BITS(16, 20); if ((Rd == 15) || (Rn == 15)) { ARMul_UndefInstr (state, instr); - } - else if ((lsb + width) < 32) { + } else if ((lsb + width) < 32) { state->Reg[Rd] ^= state->Reg[Rd]; data = state->Reg[Rn]; tmp = (data << (32 - (lsb + width + 1))); state->Reg[Rd] = (tmp >> (32 - (lsb + width + 1))); - //SKYEYE_LOG_IN_CLR(RED, "sbfx: In %s, line = %d, pc = 0x%x, instr = 0x%x,Rd = 0x%x, \ - Rn = 0x%x, lsb = %d, width = %d, Rs[%d] = 0x%x, Rd[%d] = 0x%x\n", - // __func__, __LINE__, pc, instr, Rd, Rn, lsb, width + 1, Rn, state->Reg[Rn], Rd, state->Reg[Rd]); - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; + //SKYEYE_LOG_IN_CLR(RED, "sbfx: In %s, line = %d, pc = 0x%x, instr = 0x%x,Rd = 0x%x, Rn = 0x%x, lsb = %d, width = %d, Rs[%d] = 0x%x, Rd[%d] = 0x%x\n", + // __func__, __LINE__, pc, instr, Rd, Rn, lsb, width + 1, Rn, state->Reg[Rn], Rd, state->Reg[Rd]); + goto donext; } } // sbfx instr else if ((((int)BITS(21, 27)) == 0x3e) && ((int)BITS(4, 6) == 0x1)) { //(ARMword)(instr<<(31-(n))) >> ((31-(n))+(m)) unsigned msb ,tmp_rn, tmp_rd, dst; msb = tmp_rd = tmp_rn = dst = 0; - Rd = BITS(12, 15); Rn = BITS(0, 3); - lsb = BITS(7, 11); msb = BITS(16, 20); + Rd = BITS(12, 15); + Rn = BITS(0, 3); + lsb = BITS(7, 11); + msb = BITS(16, 20); //-V519 if ((Rd == 15)) { ARMul_UndefInstr (state, instr); - } - else if ((Rn == 15)) { + } else if ((Rn == 15)) { data = state->Reg[Rd]; tmp_rd = ((ARMword)(data << (31 - lsb)) >> (31 - lsb)); dst = ((data >> msb) << (msb - lsb)); dst = (dst << lsb) | tmp_rd; - DEBUG_LOG(ARM11, "BFC instr: msb = %d, lsb = %d, Rd[%d] : 0x%x, dst = 0x%x\n", - msb, lsb, Rd, state->Reg[Rd], dst); - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; + /*SKYEYE_DBG("BFC instr: msb = %d, lsb = %d, Rd[%d] : 0x%x, dst = 0x%x\n", + msb, lsb, Rd, state->Reg[Rd], dst);*/ + goto donext; } // bfc instr else if (((msb >= lsb) && (msb < 32))) { data = state->Reg[Rn]; @@ -1373,17 +1198,17 @@ ARMul_Emulate26 (ARMul_State * state) tmp_rd = ((ARMword)(data << (31 - lsb)) >> (31 - lsb)); dst = ((data >> msb) << (msb - lsb)) | tmp_rn; dst = (dst << lsb) | tmp_rd; - DEBUG_LOG(ARM11, "BFI instr:msb = %d, lsb = %d, Rd[%d] : 0x%x, Rn[%d]: 0x%x, dst = 0x%x\n", - msb, lsb, Rd, state->Reg[Rd], Rn, state->Reg[Rn], dst); - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; + /*SKYEYE_DBG("BFI instr:msb = %d, lsb = %d, Rd[%d] : 0x%x, Rn[%d]: 0x%x, dst = 0x%x\n", + msb, lsb, Rd, state->Reg[Rd], Rn, state->Reg[Rn], dst);*/ + goto donext; } // bfi instr } } - + switch ((int) BITS (20, 27)) { - /* Data Processing Register RHS Instructions. */ + /* Data Processing Register RHS Instructions. */ - case 0x00: /* AND reg and MUL */ + case 0x00: /* AND reg and MUL */ #ifdef MODET if (BITS (4, 11) == 0xB) { /* STRH register offset, no write-back, down, post indexed. */ @@ -1403,28 +1228,22 @@ ARMul_Emulate26 (ARMul_State * state) /* MUL */ rhs = state->Reg[MULRHSReg]; //if (MULLHSReg == MULDESTReg) { - if(0){ /* For armv6, the restriction is removed */ + if(0) { /* For armv6, the restriction is removed */ UNDEF_MULDestEQOp1; state->Reg[MULDESTReg] = 0; - } - else if (MULDESTReg != 15) - state->Reg[MULDESTReg] = - state-> - Reg[MULLHSReg] * rhs; + } else if (MULDESTReg != 15) + state->Reg[MULDESTReg] = state->Reg[MULLHSReg] * rhs; else UNDEF_MULPCDest; for (dest = 0, temp = 0; dest < 32; - dest++) + dest++) if (rhs & (1L << dest)) temp = dest; /* Mult takes this many/2 I cycles. */ - ARMul_Icycles (state, - ARMul_MultTable[temp], - 0L); - } - else { + ARMul_Icycles (state, ARMul_MultTable[temp], 0L); + } else { /* AND reg. */ rhs = DPRegRHS; dest = LHS & rhs; @@ -1432,7 +1251,7 @@ ARMul_Emulate26 (ARMul_State * state) } break; - case 0x01: /* ANDS reg and MULS */ + case 0x01: /* ANDS reg and MULS */ #ifdef MODET if ((BITS (4, 11) & 0xF9) == 0x9) /* LDR register offset, no write-back, down, post indexed. */ @@ -1444,34 +1263,28 @@ ARMul_Emulate26 (ARMul_State * state) rhs = state->Reg[MULRHSReg]; //if (MULLHSReg == MULDESTReg) { - if(0){ + if(0) { printf("Something in %d line\n", __LINE__); UNDEF_WARNING; UNDEF_MULDestEQOp1; state->Reg[MULDESTReg] = 0; CLEARN; SETZ; - } - else if (MULDESTReg != 15) { - dest = state->Reg[MULLHSReg] * - rhs; + } else if (MULDESTReg != 15) { + dest = state->Reg[MULLHSReg] * rhs; ARMul_NegZero (state, dest); state->Reg[MULDESTReg] = dest; - } - else + } else UNDEF_MULPCDest; for (dest = 0, temp = 0; dest < 32; - dest++) + dest++) if (rhs & (1L << dest)) temp = dest; /* Mult takes this many/2 I cycles. */ - ARMul_Icycles (state, - ARMul_MultTable[temp], - 0L); - } - else { + ARMul_Icycles (state, ARMul_MultTable[temp], 0L); + } else { /* ANDS reg. */ rhs = DPSRegRHS; dest = LHS & rhs; @@ -1479,7 +1292,7 @@ ARMul_Emulate26 (ARMul_State * state) } break; - case 0x02: /* EOR reg and MLA */ + case 0x02: /* EOR reg and MLA */ #ifdef MODET if (BITS (4, 11) == 0xB) { /* STRH register offset, write-back, down, post indexed. */ @@ -1487,3069 +1300,2603 @@ ARMul_Emulate26 (ARMul_State * state) break; } #endif - if (BITS (4, 7) == 9) { /* MLA */ + if (BITS (4, 7) == 9) { /* MLA */ rhs = state->Reg[MULRHSReg]; - #if 0 +#if 0 if (MULLHSReg == MULDESTReg) { UNDEF_MULDestEQOp1; - state->Reg[MULDESTReg] = - state->Reg[MULACCReg]; - } - else if (MULDESTReg != 15){ - #endif - if (MULDESTReg != 15){ - state->Reg[MULDESTReg] = - state-> - Reg[MULLHSReg] * rhs + - state->Reg[MULACCReg]; + state->Reg[MULDESTReg] = state->Reg[MULACCReg]; + } else if (MULDESTReg != 15) { +#endif + if (MULDESTReg != 15) { + state->Reg[MULDESTReg] = state->Reg[MULLHSReg] * rhs + state->Reg[MULACCReg]; + } else + UNDEF_MULPCDest; + + for (dest = 0, temp = 0; dest < 32; + dest++) + if (rhs & (1L << dest)) + temp = dest; + + /* Mult takes this many/2 I cycles. */ + ARMul_Icycles (state, ARMul_MultTable[temp], 0L); + } else { + rhs = DPRegRHS; + dest = LHS ^ rhs; + WRITEDEST (dest); } - else - UNDEF_MULPCDest; + break; - for (dest = 0, temp = 0; dest < 32; - dest++) - if (rhs & (1L << dest)) - temp = dest; + case 0x03: /* EORS reg and MLAS */ +#ifdef MODET + if ((BITS (4, 11) & 0xF9) == 0x9) + /* LDR register offset, write-back, down, post-indexed. */ + LHPOSTDOWN (); + /* Fall through to rest of the decoding. */ +#endif + if (BITS (4, 7) == 9) { + /* MLAS */ + rhs = state->Reg[MULRHSReg]; + //if (MULLHSReg == MULDESTReg) { + if (0) { + UNDEF_MULDestEQOp1; + dest = state->Reg[MULACCReg]; + ARMul_NegZero (state, dest); + state->Reg[MULDESTReg] = dest; + } else if (MULDESTReg != 15) { + dest = state->Reg[MULLHSReg] * rhs + state->Reg[MULACCReg]; + ARMul_NegZero (state, dest); + state->Reg[MULDESTReg] = dest; + } else + UNDEF_MULPCDest; + + for (dest = 0, temp = 0; dest < 32; + dest++) + if (rhs & (1L << dest)) + temp = dest; + + /* Mult takes this many/2 I cycles. */ + ARMul_Icycles (state, ARMul_MultTable[temp], 0L); + } else { + /* EORS Reg. */ + rhs = DPSRegRHS; + dest = LHS ^ rhs; + WRITESDEST (dest); + } + break; - /* Mult takes this many/2 I cycles. */ - ARMul_Icycles (state, - ARMul_MultTable[temp], - 0L); - } - else { + case 0x04: /* SUB reg */ +#ifdef MODET + if (BITS (4, 7) == 0xB) { + /* STRH immediate offset, no write-back, down, post indexed. */ + SHDOWNWB (); + break; + } + if (BITS (4, 7) == 0xD) { + Handle_Load_Double (state, instr); + break; + } + if (BITS (4, 7) == 0xF) { + Handle_Store_Double (state, instr); + break; + } +#endif rhs = DPRegRHS; - dest = LHS ^ rhs; + dest = LHS - rhs; WRITEDEST (dest); - } - break; + break; - case 0x03: /* EORS reg and MLAS */ + case 0x05: /* SUBS reg */ #ifdef MODET - if ((BITS (4, 11) & 0xF9) == 0x9) - /* LDR register offset, write-back, down, post-indexed. */ - LHPOSTDOWN (); - /* Fall through to rest of the decoding. */ + if ((BITS (4, 7) & 0x9) == 0x9) + /* LDR immediate offset, no write-back, down, post indexed. */ + LHPOSTDOWN (); + /* Fall through to the rest of the instruction decoding. */ #endif - if (BITS (4, 7) == 9) { - /* MLAS */ - rhs = state->Reg[MULRHSReg]; - //if (MULLHSReg == MULDESTReg) { - if (0) { - UNDEF_MULDestEQOp1; - dest = state->Reg[MULACCReg]; - ARMul_NegZero (state, dest); - state->Reg[MULDESTReg] = dest; - } - else if (MULDESTReg != 15) { - dest = state->Reg[MULLHSReg] * - rhs + - state->Reg[MULACCReg]; - ARMul_NegZero (state, dest); - state->Reg[MULDESTReg] = dest; - } - else - UNDEF_MULPCDest; - - for (dest = 0, temp = 0; dest < 32; - dest++) - if (rhs & (1L << dest)) - temp = dest; + lhs = LHS; + rhs = DPRegRHS; + dest = lhs - rhs; - /* Mult takes this many/2 I cycles. */ - ARMul_Icycles (state, - ARMul_MultTable[temp], - 0L); - } - else { - /* EORS Reg. */ - rhs = DPSRegRHS; - dest = LHS ^ rhs; + if ((lhs >= rhs) || ((rhs | lhs) >> 31)) { + ARMul_SubCarry (state, lhs, rhs, dest); + ARMul_SubOverflow (state, lhs, rhs, dest); + } else { + CLEARC; + CLEARV; + } WRITESDEST (dest); - } - break; + break; - case 0x04: /* SUB reg */ + case 0x06: /* RSB reg */ #ifdef MODET - if (BITS (4, 7) == 0xB) { - /* STRH immediate offset, no write-back, down, post indexed. */ - SHDOWNWB (); - break; - } - if (BITS (4, 7) == 0xD) { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) { - Handle_Store_Double (state, instr); - break; - } + if (BITS (4, 7) == 0xB) { + /* STRH immediate offset, write-back, down, post indexed. */ + SHDOWNWB (); + break; + } #endif - rhs = DPRegRHS; - dest = LHS - rhs; - WRITEDEST (dest); - break; + rhs = DPRegRHS; + dest = rhs - LHS; + WRITEDEST (dest); + break; - case 0x05: /* SUBS reg */ + case 0x07: /* RSBS reg */ #ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - /* LDR immediate offset, no write-back, down, post indexed. */ - LHPOSTDOWN (); - /* Fall through to the rest of the instruction decoding. */ + if ((BITS (4, 7) & 0x9) == 0x9) + /* LDR immediate offset, write-back, down, post indexed. */ + LHPOSTDOWN (); + /* Fall through to remainder of instruction decoding. */ #endif - lhs = LHS; - rhs = DPRegRHS; - dest = lhs - rhs; - - if ((lhs >= rhs) || ((rhs | lhs) >> 31)) { - ARMul_SubCarry (state, lhs, rhs, - dest); - ARMul_SubOverflow (state, lhs, rhs, - dest); - } - else { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; + lhs = LHS; + rhs = DPRegRHS; + dest = rhs - lhs; - case 0x06: /* RSB reg */ -#ifdef MODET - if (BITS (4, 7) == 0xB) { - /* STRH immediate offset, write-back, down, post indexed. */ - SHDOWNWB (); + if ((rhs >= lhs) || ((rhs | lhs) >> 31)) { + ARMul_SubCarry (state, rhs, lhs, dest); + ARMul_SubOverflow (state, rhs, lhs, dest); + } else { + CLEARC; + CLEARV; + } + WRITESDEST (dest); break; - } -#endif - rhs = DPRegRHS; - dest = rhs - LHS; - WRITEDEST (dest); - break; - case 0x07: /* RSBS reg */ + case 0x08: /* ADD reg */ #ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - /* LDR immediate offset, write-back, down, post indexed. */ - LHPOSTDOWN (); - /* Fall through to remainder of instruction decoding. */ + if (BITS (4, 11) == 0xB) { + /* STRH register offset, no write-back, up, post indexed. */ + SHUPWB (); + break; + } + if (BITS (4, 7) == 0xD) { + Handle_Load_Double (state, instr); + break; + } + if (BITS (4, 7) == 0xF) { + Handle_Store_Double (state, instr); + break; + } #endif - lhs = LHS; - rhs = DPRegRHS; - dest = rhs - lhs; - - if ((rhs >= lhs) || ((rhs | lhs) >> 31)) { - ARMul_SubCarry (state, rhs, lhs, - dest); - ARMul_SubOverflow (state, rhs, lhs, - dest); - } - else { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; - - case 0x08: /* ADD reg */ #ifdef MODET - if (BITS (4, 11) == 0xB) { - /* STRH register offset, no write-back, up, post indexed. */ - SHUPWB (); - break; - } - if (BITS (4, 7) == 0xD) { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) { - Handle_Store_Double (state, instr); - break; - } + if (BITS (4, 7) == 0x9) { + /* MULL */ + /* 32x32 = 64 */ + ARMul_Icycles (state, Multiply64 (state, instr, LUNSIGNED, LDEFAULT), 0L); + break; + } #endif -#ifdef MODET - if (BITS (4, 7) == 0x9) { - /* MULL */ - /* 32x32 = 64 */ - ARMul_Icycles (state, - Multiply64 (state, - instr, - LUNSIGNED, - LDEFAULT), - 0L); + rhs = DPRegRHS; + dest = LHS + rhs; + WRITEDEST (dest); break; - } -#endif - rhs = DPRegRHS; - dest = LHS + rhs; - WRITEDEST (dest); - break; - case 0x09: /* ADDS reg */ + case 0x09: /* ADDS reg */ #ifdef MODET - if ((BITS (4, 11) & 0xF9) == 0x9) - /* LDR register offset, no write-back, up, post indexed. */ - LHPOSTUP (); - /* Fall through to remaining instruction decoding. */ + if ((BITS (4, 11) & 0xF9) == 0x9) + /* LDR register offset, no write-back, up, post indexed. */ + LHPOSTUP (); + /* Fall through to remaining instruction decoding. */ #endif #ifdef MODET - if (BITS (4, 7) == 0x9) { - /* MULL */ - /* 32x32=64 */ - ARMul_Icycles (state, - Multiply64 (state, - instr, - LUNSIGNED, - LSCC), 0L); - break; - } + if (BITS (4, 7) == 0x9) { + /* MULL */ + /* 32x32=64 */ + ARMul_Icycles (state, Multiply64 (state, instr, LUNSIGNED, LSCC), 0L); + break; + } #endif - lhs = LHS; - rhs = DPRegRHS; - dest = lhs + rhs; - ASSIGNZ (dest == 0); - if ((lhs | rhs) >> 30) { - /* Possible C,V,N to set. */ - ASSIGNN (NEG (dest)); - ARMul_AddCarry (state, lhs, rhs, - dest); - ARMul_AddOverflow (state, lhs, rhs, - dest); - } - else { - CLEARN; - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; + lhs = LHS; + rhs = DPRegRHS; + dest = lhs + rhs; + ASSIGNZ (dest == 0); + if ((lhs | rhs) >> 30) { + /* Possible C,V,N to set. */ + ASSIGNN (NEG (dest)); + ARMul_AddCarry (state, lhs, rhs, dest); + ARMul_AddOverflow (state, lhs, rhs, dest); + } else { + CLEARN; + CLEARC; + CLEARV; + } + WRITESDEST (dest); + break; - case 0x0a: /* ADC reg */ + case 0x0a: /* ADC reg */ #ifdef MODET - if (BITS (4, 11) == 0xB) { - /* STRH register offset, write-back, up, post-indexed. */ - SHUPWB (); - break; - } - if (BITS (4, 7) == 0x9) { - /* MULL */ - /* 32x32=64 */ - ARMul_Icycles (state, - MultiplyAdd64 (state, - instr, - LUNSIGNED, - LDEFAULT), - 0L); - break; - } + if (BITS (4, 11) == 0xB) { + /* STRH register offset, write-back, up, post-indexed. */ + SHUPWB (); + break; + } + if (BITS (4, 7) == 0x9) { + /* MULL */ + /* 32x32=64 */ + ARMul_Icycles (state, MultiplyAdd64 (state, instr, LUNSIGNED, LDEFAULT), 0L); + break; + } #endif - rhs = DPRegRHS; - dest = LHS + rhs + CFLAG; - WRITEDEST (dest); - break; + rhs = DPRegRHS; + dest = LHS + rhs + CFLAG; + WRITEDEST (dest); + break; - case 0x0b: /* ADCS reg */ + case 0x0b: /* ADCS reg */ #ifdef MODET - if ((BITS (4, 11) & 0xF9) == 0x9) - /* LDR register offset, write-back, up, post indexed. */ - LHPOSTUP (); - /* Fall through to remaining instruction decoding. */ - if (BITS (4, 7) == 0x9) { - /* MULL */ - /* 32x32=64 */ - ARMul_Icycles (state, - MultiplyAdd64 (state, - instr, - LUNSIGNED, - LSCC), - 0L); - break; - } + if ((BITS (4, 11) & 0xF9) == 0x9) + /* LDR register offset, write-back, up, post indexed. */ + LHPOSTUP (); + /* Fall through to remaining instruction decoding. */ + if (BITS (4, 7) == 0x9) { + /* MULL */ + /* 32x32=64 */ + ARMul_Icycles (state, MultiplyAdd64 (state, instr, LUNSIGNED, LSCC), 0L); + break; + } #endif - lhs = LHS; - rhs = DPRegRHS; - dest = lhs + rhs + CFLAG; - ASSIGNZ (dest == 0); - if ((lhs | rhs) >> 30) { - /* Possible C,V,N to set. */ - ASSIGNN (NEG (dest)); - ARMul_AddCarry (state, lhs, rhs, - dest); - ARMul_AddOverflow (state, lhs, rhs, - dest); - } - else { - CLEARN; - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; + lhs = LHS; + rhs = DPRegRHS; + dest = lhs + rhs + CFLAG; + ASSIGNZ (dest == 0); + if ((lhs | rhs) >> 30) { + /* Possible C,V,N to set. */ + ASSIGNN (NEG (dest)); + ARMul_AddCarry (state, lhs, rhs, dest); + ARMul_AddOverflow (state, lhs, rhs, dest); + } else { + CLEARN; + CLEARC; + CLEARV; + } + WRITESDEST (dest); + break; - case 0x0c: /* SBC reg */ + case 0x0c: /* SBC reg */ #ifdef MODET - if (BITS (4, 7) == 0xB) { - /* STRH immediate offset, no write-back, up post indexed. */ - SHUPWB (); - break; - } - if (BITS (4, 7) == 0xD) { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) { - Handle_Store_Double (state, instr); - break; - } - if (BITS (4, 7) == 0x9) { - /* MULL */ - /* 32x32=64 */ - ARMul_Icycles (state, - Multiply64 (state, - instr, - LSIGNED, - LDEFAULT), - 0L); - break; - } + if (BITS (4, 7) == 0xB) { + /* STRH immediate offset, no write-back, up post indexed. */ + SHUPWB (); + break; + } + if (BITS (4, 7) == 0xD) { + Handle_Load_Double (state, instr); + break; + } + if (BITS (4, 7) == 0xF) { + Handle_Store_Double (state, instr); + break; + } + if (BITS (4, 7) == 0x9) { + /* MULL */ + /* 32x32=64 */ + ARMul_Icycles (state, Multiply64 (state, instr, LSIGNED, LDEFAULT), 0L); + break; + } #endif - rhs = DPRegRHS; - dest = LHS - rhs - !CFLAG; - WRITEDEST (dest); - break; + rhs = DPRegRHS; + dest = LHS - rhs - !CFLAG; + WRITEDEST (dest); + break; - case 0x0d: /* SBCS reg */ + case 0x0d: /* SBCS reg */ #ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - /* LDR immediate offset, no write-back, up, post indexed. */ - LHPOSTUP (); - - if (BITS (4, 7) == 0x9) { - /* MULL */ - /* 32x32=64 */ - ARMul_Icycles (state, - Multiply64 (state, - instr, - LSIGNED, - LSCC), 0L); - break; - } + if ((BITS (4, 7) & 0x9) == 0x9) + /* LDR immediate offset, no write-back, up, post indexed. */ + LHPOSTUP (); + + if (BITS (4, 7) == 0x9) { + /* MULL */ + /* 32x32=64 */ + ARMul_Icycles (state, Multiply64 (state, instr, LSIGNED, LSCC), 0L); + break; + } #endif - lhs = LHS; - rhs = DPRegRHS; - dest = lhs - rhs - !CFLAG; - if ((lhs >= rhs) || ((rhs | lhs) >> 31)) { - ARMul_SubCarry (state, lhs, rhs, - dest); - ARMul_SubOverflow (state, lhs, rhs, - dest); - } - else { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; + lhs = LHS; + rhs = DPRegRHS; + dest = lhs - rhs - !CFLAG; + if ((lhs >= rhs) || ((rhs | lhs) >> 31)) { + ARMul_SubCarry (state, lhs, rhs, dest); + ARMul_SubOverflow (state, lhs, rhs, dest); + } else { + CLEARC; + CLEARV; + } + WRITESDEST (dest); + break; - case 0x0e: /* RSC reg */ + case 0x0e: /* RSC reg */ #ifdef MODET - if (BITS (4, 7) == 0xB) { - /* STRH immediate offset, write-back, up, post indexed. */ - SHUPWB (); - break; - } + if (BITS (4, 7) == 0xB) { + /* STRH immediate offset, write-back, up, post indexed. */ + SHUPWB (); + break; + } - if (BITS (4, 7) == 0x9) { - /* MULL */ - /* 32x32=64 */ - ARMul_Icycles (state, - MultiplyAdd64 (state, - instr, - LSIGNED, - LDEFAULT), - 0L); - break; - } + if (BITS (4, 7) == 0x9) { + /* MULL */ + /* 32x32=64 */ + ARMul_Icycles (state, MultiplyAdd64 (state, instr, LSIGNED, LDEFAULT), 0L); + break; + } #endif - rhs = DPRegRHS; - dest = rhs - LHS - !CFLAG; - WRITEDEST (dest); - break; + rhs = DPRegRHS; + dest = rhs - LHS - !CFLAG; + WRITEDEST (dest); + break; - case 0x0f: /* RSCS reg */ + case 0x0f: /* RSCS reg */ #ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - /* LDR immediate offset, write-back, up, post indexed. */ - LHPOSTUP (); - /* Fall through to remaining instruction decoding. */ - - if (BITS (4, 7) == 0x9) { - /* MULL */ - /* 32x32=64 */ - ARMul_Icycles (state, - MultiplyAdd64 (state, - instr, - LSIGNED, - LSCC), - 0L); - break; - } -#endif - lhs = LHS; - rhs = DPRegRHS; - dest = rhs - lhs - !CFLAG; - - if ((rhs >= lhs) || ((rhs | lhs) >> 31)) { - ARMul_SubCarry (state, rhs, lhs, - dest); - ARMul_SubOverflow (state, rhs, lhs, - dest); - } - else { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; + if ((BITS (4, 7) & 0x9) == 0x9) + /* LDR immediate offset, write-back, up, post indexed. */ + LHPOSTUP (); + /* Fall through to remaining instruction decoding. */ - case 0x10: /* TST reg and MRS CPSR and SWP word. */ - if (state->is_v5e) { - if (BIT (4) == 0 && BIT (7) == 1) { - /* ElSegundo SMLAxy insn. */ - ARMword op1 = - state-> - Reg[BITS (0, 3)]; - ARMword op2 = - state-> - Reg[BITS (8, 11)]; - ARMword Rn = - state-> - Reg[BITS (12, 15)]; - - if (BIT (5)) - op1 >>= 16; - if (BIT (6)) - op2 >>= 16; - op1 &= 0xFFFF; - op2 &= 0xFFFF; - if (op1 & 0x8000) - op1 -= 65536; - if (op2 & 0x8000) - op2 -= 65536; - op1 *= op2; - //printf("SMLA_INST:BB,op1=0x%x, op2=0x%x. Rn=0x%x\n", op1, op2, Rn); - if (AddOverflow - (op1, Rn, op1 + Rn)) - SETS; - state->Reg[BITS (16, 19)] = - op1 + Rn; + if (BITS (4, 7) == 0x9) { + /* MULL */ + /* 32x32=64 */ + ARMul_Icycles (state, MultiplyAdd64 (state, instr, LSIGNED, LSCC), 0L); break; } +#endif + lhs = LHS; + rhs = DPRegRHS; + dest = rhs - lhs - !CFLAG; + + if ((rhs >= lhs) || ((rhs | lhs) >> 31)) { + ARMul_SubCarry (state, rhs, lhs, dest); + ARMul_SubOverflow (state, rhs, lhs, dest); + } else { + CLEARC; + CLEARV; + } + WRITESDEST (dest); + break; - if (BITS (4, 11) == 5) { - /* ElSegundo QADD insn. */ - ARMword op1 = - state-> - Reg[BITS (0, 3)]; - ARMword op2 = - state-> - Reg[BITS (16, 19)]; - ARMword result = op1 + op2; - if (AddOverflow - (op1, op2, result)) { - result = POS (result) - ? 0x80000000 : - 0x7fffffff; - SETS; + case 0x10: /* TST reg and MRS CPSR and SWP word. */ + if (state->is_v5e) { + if (BIT (4) == 0 && BIT (7) == 1) { + /* ElSegundo SMLAxy insn. */ + ARMword op1 = state->Reg[BITS (0, 3)]; + ARMword op2 = state->Reg[BITS (8, 11)]; + ARMword Rn = state->Reg[BITS (12, 15)]; + + if (BIT (5)) + op1 >>= 16; + if (BIT (6)) + op2 >>= 16; + op1 &= 0xFFFF; + op2 &= 0xFFFF; + if (op1 & 0x8000) + op1 -= 65536; + if (op2 & 0x8000) + op2 -= 65536; + op1 *= op2; + //printf("SMLA_INST:BB,op1=0x%x, op2=0x%x. Rn=0x%x\n", op1, op2, Rn); + if (AddOverflow(op1, Rn, op1 + Rn)) + SETS; + state->Reg[BITS (16, 19)] = op1 + Rn; + break; + } + + if (BITS (4, 11) == 5) { + /* ElSegundo QADD insn. */ + ARMword op1 = state->Reg[BITS (0, 3)]; + ARMword op2 = state->Reg[BITS (16, 19)]; + ARMword result = op1 + op2; + if (AddOverflow(op1, op2, result)) { + result = POS (result) ? 0x80000000 : 0x7fffffff; + SETS; + } + state->Reg[BITS (12, 15)] = result; + break; } - state->Reg[BITS (12, 15)] = - result; - break; } - } #ifdef MODET - if (BITS (4, 11) == 0xB) { - /* STRH register offset, no write-back, down, pre indexed. */ - SHPREDOWN (); - break; - } - if (BITS (4, 7) == 0xD) { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) { - Handle_Store_Double (state, instr); - break; - } + if (BITS (4, 11) == 0xB) { + /* STRH register offset, no write-back, down, pre indexed. */ + SHPREDOWN (); + break; + } + if (BITS (4, 7) == 0xD) { + Handle_Load_Double (state, instr); + break; + } + if (BITS (4, 7) == 0xF) { + Handle_Store_Double (state, instr); + break; + } #endif - if (BITS (4, 11) == 9) { - /* SWP */ - UNDEF_SWPPC; - temp = LHS; - BUSUSEDINCPCS; + if (BITS (4, 11) == 9) { + /* SWP */ + UNDEF_SWPPC; + temp = LHS; + BUSUSEDINCPCS; #ifndef MODE32 - if (VECTORACCESS (temp) - || ADDREXCEPT (temp)) { - INTERNALABORT (temp); - (void) ARMul_LoadWordN (state, - temp); - (void) ARMul_LoadWordN (state, - temp); - } - else + if (VECTORACCESS (temp) || ADDREXCEPT (temp)) { + INTERNALABORT (temp); + (void) ARMul_LoadWordN (state, temp); + (void) ARMul_LoadWordN (state, temp); + } else #endif - dest = ARMul_SwapWord (state, - temp, - state-> - Reg - [RHSReg]); - if (temp & 3) - DEST = ARMul_Align (state, - temp, - dest); - else - DEST = dest; - if (state->abortSig || state->Aborted) - TAKEABORT; - } - else if ((BITS (0, 11) == 0) && (LHSReg == 15)) { /* MRS CPSR */ - UNDEF_MRSPC; - DEST = ECC | EINT | EMODE; - } - else { - UNDEF_Test; - } - break; + dest = ARMul_SwapWord (state, temp, state->Reg[RHSReg]); + if (temp & 3) + DEST = ARMul_Align (state, temp, dest); + else + DEST = dest; + if (state->abortSig || state->Aborted) + TAKEABORT; + } else if ((BITS (0, 11) == 0) && (LHSReg == 15)) { /* MRS CPSR */ + UNDEF_MRSPC; + DEST = ECC | EINT | EMODE; + } else { + UNDEF_Test; + } + break; - case 0x11: /* TSTP reg */ + case 0x11: /* TSTP reg */ #ifdef MODET - if ((BITS (4, 11) & 0xF9) == 0x9) - /* LDR register offset, no write-back, down, pre indexed. */ - LHPREDOWN (); - /* Continue with remaining instruction decode. */ + if ((BITS (4, 11) & 0xF9) == 0x9) + /* LDR register offset, no write-back, down, pre indexed. */ + LHPREDOWN (); + /* Continue with remaining instruction decode. */ #endif - if (DESTReg == 15) { - /* TSTP reg */ + if (DESTReg == 15) { + /* TSTP reg */ #ifdef MODE32 - //chy 2006-02-15 if in user mode, can not set cpsr 0:23 - //from p165 of ARMARM book - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); + //chy 2006-02-15 if in user mode, can not set cpsr 0:23 + //from p165 of ARMARM book + state->Cpsr = GETSPSR (state->Bank); + //ARMul_CPSRAltered (state); #else - rhs = DPRegRHS; - temp = LHS & rhs; - SETR15PSR (temp); + rhs = DPRegRHS; + temp = LHS & rhs; + SETR15PSR (temp); #endif - } - else { - /* TST reg */ - rhs = DPSRegRHS; - dest = LHS & rhs; - ARMul_NegZero (state, dest); - } - break; + } else { + /* TST reg */ + rhs = DPSRegRHS; + dest = LHS & rhs; + ARMul_NegZero (state, dest); + } + break; - case 0x12: /* TEQ reg and MSR reg to CPSR (ARM6). */ + case 0x12: /* TEQ reg and MSR reg to CPSR (ARM6). */ - if (state->is_v5) { - if (BITS (4, 7) == 3) { - /* BLX(2) */ - ARMword temp; + if (state->is_v5) { + if (BITS (4, 7) == 3) { + /* BLX(2) */ + ARMword temp; - if (TFLAG) - temp = (pc + 2) | 1; - else - temp = pc + 4; + if (TFLAG) + temp = (pc + 2) | 1; + else + temp = pc + 4; - WriteR15Branch (state, - state-> - Reg[RHSReg]); - state->Reg[14] = temp; - break; + WriteR15Branch (state, state->Reg[RHSReg]); + state->Reg[14] = temp; + break; + } } - } - if (state->is_v5e) { - if (BIT (4) == 0 && BIT (7) == 1 - && (BIT (5) == 0 - || BITS (12, 15) == 0)) { - /* ElSegundo SMLAWy/SMULWy insn. */ - unsigned long long op1 = - state-> - Reg[BITS (0, 3)]; - unsigned long long op2 = - state-> - Reg[BITS (8, 11)]; - unsigned long long result; - - if (BIT (6)) - op2 >>= 16; - if (op1 & 0x80000000) - op1 -= 1ULL << 32; - op2 &= 0xFFFF; - if (op2 & 0x8000) - op2 -= 65536; - result = (op1 * op2) >> 16; - - if (BIT (5) == 0) { - ARMword Rn = - state-> - Reg[BITS - (12, 15)]; + if (state->is_v5e) { + if (BIT (4) == 0 && BIT (7) == 1 && (BIT (5) == 0 || BITS (12, 15) == 0)) { + /* ElSegundo SMLAWy/SMULWy insn. */ + unsigned long long op1 = state->Reg[BITS (0, 3)]; + unsigned long long op2 = state->Reg[BITS (8, 11)]; + unsigned long long result; + + if (BIT (6)) + op2 >>= 16; + if (op1 & 0x80000000) + op1 -= 1ULL << 32; + op2 &= 0xFFFF; + if (op2 & 0x8000) + op2 -= 65536; + result = (op1 * op2) >> 16; + + if (BIT (5) == 0) { + ARMword Rn = state->Reg[BITS(12, 15)]; + + if (AddOverflow((ARMword)result, Rn, (ARMword)(result + Rn))) + SETS; + result += Rn; + } + state->Reg[BITS (16, 19)] = (ARMword)result; + break; + } + + if (BITS (4, 11) == 5) { + /* ElSegundo QSUB insn. */ + ARMword op1 = state->Reg[BITS (0, 3)]; + ARMword op2 = state->Reg[BITS (16, 19)]; + ARMword result = op1 - op2; - if (AddOverflow - (result, Rn, - result + Rn)) + if (SubOverflow + (op1, op2, result)) { + result = POS (result) ? 0x80000000 : 0x7fffffff; SETS; - result += Rn; + } + + state->Reg[BITS (12, 15)] = result; + break; } - state->Reg[BITS (16, 19)] = - result; + } +#ifdef MODET + if (BITS (4, 11) == 0xB) { + /* STRH register offset, write-back, down, pre indexed. */ + SHPREDOWNWB (); break; } - - if (BITS (4, 11) == 5) { - /* ElSegundo QSUB insn. */ - ARMword op1 = - state-> - Reg[BITS (0, 3)]; - ARMword op2 = - state-> - Reg[BITS (16, 19)]; - ARMword result = op1 - op2; - - if (SubOverflow - (op1, op2, result)) { - result = POS (result) - ? 0x80000000 : - 0x7fffffff; - SETS; - } - - state->Reg[BITS (12, 15)] = - result; + if (BITS (4, 27) == 0x12FFF1) { + /* BX */ + WriteR15Branch (state, state->Reg[RHSReg]); + break; + } + if (BITS (4, 7) == 0xD) { + Handle_Load_Double (state, instr); + break; + } + if (BITS (4, 7) == 0xF) { + Handle_Store_Double (state, instr); break; } - } -#ifdef MODET - if (BITS (4, 11) == 0xB) { - /* STRH register offset, write-back, down, pre indexed. */ - SHPREDOWNWB (); - break; - } - if (BITS (4, 27) == 0x12FFF1) { - /* BX */ - WriteR15Branch (state, - state->Reg[RHSReg]); - break; - } - if (BITS (4, 7) == 0xD) { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) { - Handle_Store_Double (state, instr); - break; - } #endif - if (state->is_v5) { - if (BITS (4, 7) == 0x7) { - ARMword value; - extern int - SWI_vector_installed; - - /* Hardware is allowed to optionally override this - instruction and treat it as a breakpoint. Since - this is a simulator not hardware, we take the position - that if a SWI vector was not installed, then an Abort - vector was probably not installed either, and so - normally this instruction would be ignored, even if an - Abort is generated. This is a bad thing, since GDB - uses this instruction for its breakpoints (at least in - Thumb mode it does). So intercept the instruction here - and generate a breakpoint SWI instead. */ - if (!SWI_vector_installed) - ARMul_OSHandleSWI - (state, - SWI_Breakpoint); - else { - /* BKPT - normally this will cause an abort, but on the - XScale we must check the DCSR. */ - XScale_set_fsr_far - (state, - ARMul_CP15_R5_MMU_EXCPT, - pc); - //if (!XScale_debug_moe - // (state, - // ARMul_CP14_R10_MOE_BT)) - // break; // Disabled /bunnei + if (state->is_v5) { + if (BITS (4, 7) == 0x7) { + //ARMword value; + //extern int SWI_vector_installed; + + /* Hardware is allowed to optionally override this + instruction and treat it as a breakpoint. Since + this is a simulator not hardware, we take the position + that if a SWI vector was not installed, then an Abort + vector was probably not installed either, and so + normally this instruction would be ignored, even if an + Abort is generated. This is a bad thing, since GDB + uses this instruction for its breakpoints (at least in + Thumb mode it does). So intercept the instruction here + and generate a breakpoint SWI instead. */ + /* Force the next instruction to be refetched. */ + state->NextInstr = RESUME; + break; } - - /* Force the next instruction to be refetched. */ - state->NextInstr = RESUME; - break; } - } - if (DESTReg == 15) { - /* MSR reg to CPSR. */ - UNDEF_MSRPC; - temp = DPRegRHS; + if (DESTReg == 15) { + /* MSR reg to CPSR. */ + UNDEF_MSRPC; + temp = DPRegRHS; #ifdef MODET - /* Don't allow TBIT to be set by MSR. */ - temp &= ~TBIT; + /* Don't allow TBIT to be set by MSR. */ + temp &= ~TBIT; #endif - ARMul_FixCPSR (state, instr, temp); - } - else - UNDEF_Test; + ARMul_FixCPSR (state, instr, temp); + } else + UNDEF_Test; - break; + break; - case 0x13: /* TEQP reg */ + case 0x13: /* TEQP reg */ #ifdef MODET - if ((BITS (4, 11) & 0xF9) == 0x9) - /* LDR register offset, write-back, down, pre indexed. */ - LHPREDOWNWB (); - /* Continue with remaining instruction decode. */ + if ((BITS (4, 11) & 0xF9) == 0x9) + /* LDR register offset, write-back, down, pre indexed. */ + LHPREDOWNWB (); + /* Continue with remaining instruction decode. */ #endif - if (DESTReg == 15) { - /* TEQP reg */ + if (DESTReg == 15) { + /* TEQP reg */ #ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); + state->Cpsr = GETSPSR (state->Bank); + //ARMul_CPSRAltered (state); #else - rhs = DPRegRHS; - temp = LHS ^ rhs; - SETR15PSR (temp); + rhs = DPRegRHS; + temp = LHS ^ rhs; + SETR15PSR (temp); #endif - } - else { - /* TEQ Reg. */ - rhs = DPSRegRHS; - dest = LHS ^ rhs; - ARMul_NegZero (state, dest); - } - break; - - case 0x14: /* CMP reg and MRS SPSR and SWP byte. */ - if (state->is_v5e) { - if (BIT (4) == 0 && BIT (7) == 1) { - /* ElSegundo SMLALxy insn. */ - unsigned long long op1 = - state-> - Reg[BITS (0, 3)]; - unsigned long long op2 = - state-> - Reg[BITS (8, 11)]; - unsigned long long dest; - unsigned long long result; - - if (BIT (5)) - op1 >>= 16; - if (BIT (6)) - op2 >>= 16; - op1 &= 0xFFFF; - if (op1 & 0x8000) - op1 -= 65536; - op2 &= 0xFFFF; - if (op2 & 0x8000) - op2 -= 65536; - - dest = (unsigned long long) - state-> - Reg[BITS (16, 19)] << - 32; - dest |= state-> - Reg[BITS (12, 15)]; - dest += op1 * op2; - state->Reg[BITS (12, 15)] = - dest; - state->Reg[BITS (16, 19)] = - dest >> 32; - break; + } else { + /* TEQ Reg. */ + rhs = DPSRegRHS; + dest = LHS ^ rhs; + ARMul_NegZero (state, dest); } + break; - if (BITS (4, 11) == 5) { - /* ElSegundo QDADD insn. */ - ARMword op1 = - state-> - Reg[BITS (0, 3)]; - ARMword op2 = - state-> - Reg[BITS (16, 19)]; - ARMword op2d = op2 + op2; - ARMword result; - - if (AddOverflow - (op2, op2, op2d)) { - SETS; - op2d = POS (op2d) ? - 0x80000000 : - 0x7fffffff; + case 0x14: /* CMP reg and MRS SPSR and SWP byte. */ + if (state->is_v5e) { + if (BIT (4) == 0 && BIT (7) == 1) { + /* ElSegundo SMLALxy insn. */ + unsigned long long op1 = state->Reg[BITS (0, 3)]; + unsigned long long op2 = state->Reg[BITS (8, 11)]; + unsigned long long dest; + //unsigned long long result; + + if (BIT (5)) + op1 >>= 16; + if (BIT (6)) + op2 >>= 16; + op1 &= 0xFFFF; + if (op1 & 0x8000) + op1 -= 65536; + op2 &= 0xFFFF; + if (op2 & 0x8000) + op2 -= 65536; + + dest = (unsigned long long) state->Reg[BITS (16, 19)] << 32; + dest |= state->Reg[BITS (12, 15)]; + dest += op1 * op2; + state->Reg[BITS(12, 15)] = (ARMword)dest; + state->Reg[BITS(16, 19)] = (ARMword)(dest >> 32); + break; } - result = op1 + op2d; - if (AddOverflow - (op1, op2d, result)) { - SETS; - result = POS (result) - ? 0x80000000 : - 0x7fffffff; - } + if (BITS (4, 11) == 5) { + /* ElSegundo QDADD insn. */ + ARMword op1 = state->Reg[BITS (0, 3)]; + ARMword op2 = state->Reg[BITS (16, 19)]; + ARMword op2d = op2 + op2; + ARMword result; - state->Reg[BITS (12, 15)] = - result; - break; + if (AddOverflow + (op2, op2, op2d)) { + SETS; + op2d = POS (op2d) ? 0x80000000 : 0x7fffffff; + } + + result = op1 + op2d; + if (AddOverflow(op1, op2d, result)) { + SETS; + result = POS (result) ? 0x80000000 : 0x7fffffff; + } + + state->Reg[BITS (12, 15)] = result; + break; + } } - } #ifdef MODET - if (BITS (4, 7) == 0xB) { - /* STRH immediate offset, no write-back, down, pre indexed. */ - SHPREDOWN (); - break; - } - if (BITS (4, 7) == 0xD) { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) { - Handle_Store_Double (state, instr); - break; - } + if (BITS (4, 7) == 0xB) { + /* STRH immediate offset, no write-back, down, pre indexed. */ + SHPREDOWN (); + break; + } + if (BITS (4, 7) == 0xD) { + Handle_Load_Double (state, instr); + break; + } + if (BITS (4, 7) == 0xF) { + Handle_Store_Double (state, instr); + break; + } #endif - if (BITS (4, 11) == 9) { - /* SWP */ - UNDEF_SWPPC; - temp = LHS; - BUSUSEDINCPCS; + if (BITS (4, 11) == 9) { + /* SWP */ + UNDEF_SWPPC; + temp = LHS; + BUSUSEDINCPCS; #ifndef MODE32 - if (VECTORACCESS (temp) - || ADDREXCEPT (temp)) { - INTERNALABORT (temp); - (void) ARMul_LoadByte (state, - temp); - (void) ARMul_LoadByte (state, - temp); - } - else + if (VECTORACCESS (temp) || ADDREXCEPT (temp)) { + INTERNALABORT (temp); + (void) ARMul_LoadByte (state, temp); + (void) ARMul_LoadByte (state, temp); + } else #endif - DEST = ARMul_SwapByte (state, - temp, - state-> - Reg - [RHSReg]); - if (state->abortSig || state->Aborted) - TAKEABORT; - } - else if ((BITS (0, 11) == 0) - && (LHSReg == 15)) { - /* MRS SPSR */ - UNDEF_MRSPC; - DEST = GETSPSR (state->Bank); - } - else - UNDEF_Test; + DEST = ARMul_SwapByte (state, temp, state->Reg[RHSReg]); + if (state->abortSig || state->Aborted) + TAKEABORT; + } else if ((BITS (0, 11) == 0) + && (LHSReg == 15)) { + /* MRS SPSR */ + UNDEF_MRSPC; + DEST = GETSPSR (state->Bank); + } else + UNDEF_Test; - break; + break; - case 0x15: /* CMPP reg. */ + case 0x15: /* CMPP reg. */ #ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - /* LDR immediate offset, no write-back, down, pre indexed. */ - LHPREDOWN (); - /* Continue with remaining instruction decode. */ + if ((BITS (4, 7) & 0x9) == 0x9) + /* LDR immediate offset, no write-back, down, pre indexed. */ + LHPREDOWN (); + /* Continue with remaining instruction decode. */ #endif - if (DESTReg == 15) { - /* CMPP reg. */ + if (DESTReg == 15) { + /* CMPP reg. */ #ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); + state->Cpsr = GETSPSR (state->Bank); + //ARMul_CPSRAltered (state); #else - rhs = DPRegRHS; - temp = LHS - rhs; - SETR15PSR (temp); + rhs = DPRegRHS; + temp = LHS - rhs; + SETR15PSR (temp); #endif - } - else { - /* CMP reg. */ - lhs = LHS; - rhs = DPRegRHS; - dest = lhs - rhs; - ARMul_NegZero (state, dest); - if ((lhs >= rhs) - || ((rhs | lhs) >> 31)) { - ARMul_SubCarry (state, lhs, - rhs, dest); - ARMul_SubOverflow (state, lhs, - rhs, dest); - } - else { - CLEARC; - CLEARV; + } else { + /* CMP reg. */ + lhs = LHS; + rhs = DPRegRHS; + dest = lhs - rhs; + ARMul_NegZero (state, dest); + if ((lhs >= rhs) + || ((rhs | lhs) >> 31)) { + ARMul_SubCarry (state, lhs, rhs, dest); + ARMul_SubOverflow (state, lhs, rhs, dest); + } else { + CLEARC; + CLEARV; + } } - } - break; + break; - case 0x16: /* CMN reg and MSR reg to SPSR */ - if (state->is_v5e) { - if (BIT (4) == 0 && BIT (7) == 1 - && BITS (12, 15) == 0) { - /* ElSegundo SMULxy insn. */ - ARMword op1 = - state-> - Reg[BITS (0, 3)]; - ARMword op2 = - state-> - Reg[BITS (8, 11)]; - ARMword Rn = - state-> - Reg[BITS (12, 15)]; - - if (BIT (5)) - op1 >>= 16; - if (BIT (6)) - op2 >>= 16; - op1 &= 0xFFFF; - op2 &= 0xFFFF; - if (op1 & 0x8000) - op1 -= 65536; - if (op2 & 0x8000) - op2 -= 65536; - - state->Reg[BITS (16, 19)] = - op1 * op2; - break; - } + case 0x16: /* CMN reg and MSR reg to SPSR */ + if (state->is_v5e) { + if (BIT (4) == 0 && BIT (7) == 1 && BITS (12, 15) == 0) { + /* ElSegundo SMULxy insn. */ + ARMword op1 = state->Reg[BITS (0, 3)]; + ARMword op2 = state->Reg[BITS (8, 11)]; + ARMword Rn = state->Reg[BITS (12, 15)]; + + if (BIT (5)) + op1 >>= 16; + if (BIT (6)) + op2 >>= 16; + op1 &= 0xFFFF; + op2 &= 0xFFFF; + if (op1 & 0x8000) + op1 -= 65536; + if (op2 & 0x8000) + op2 -= 65536; + + state->Reg[BITS (16, 19)] = op1 * op2; + break; + } + + if (BITS (4, 11) == 5) { + /* ElSegundo QDSUB insn. */ + ARMword op1 = state->Reg[BITS (0, 3)]; + ARMword op2 = state->Reg[BITS (16, 19)]; + ARMword op2d = op2 + op2; + ARMword result; + + if (AddOverflow(op2, op2, op2d)) { + SETS; + op2d = POS (op2d) ? 0x80000000 : 0x7fffffff; + } - if (BITS (4, 11) == 5) { - /* ElSegundo QDSUB insn. */ - ARMword op1 = - state-> - Reg[BITS (0, 3)]; - ARMword op2 = - state-> - Reg[BITS (16, 19)]; - ARMword op2d = op2 + op2; - ARMword result; - - if (AddOverflow - (op2, op2, op2d)) { - SETS; - op2d = POS (op2d) ? - 0x80000000 : - 0x7fffffff; + result = op1 - op2d; + if (SubOverflow(op1, op2d, result)) { + SETS; + result = POS (result) ? 0x80000000 : 0x7fffffff; + } + + state->Reg[BITS (12, 15)] = result; + break; } + } - result = op1 - op2d; - if (SubOverflow - (op1, op2d, result)) { - SETS; - result = POS (result) - ? 0x80000000 : - 0x7fffffff; + if (state->is_v5) { + if (BITS (4, 11) == 0xF1 + && BITS (16, 19) == 0xF) { + /* ARM5 CLZ insn. */ + ARMword op1 = state->Reg[BITS (0, 3)]; + int result = 32; + + if (op1) + for (result = 0; (op1 & 0x80000000) == 0; op1 <<= 1) + result++; + state->Reg[BITS (12, 15)] = result; + break; } + } - state->Reg[BITS (12, 15)] = - result; +#ifdef MODET + if (BITS (4, 7) == 0xB) { + /* STRH immediate offset, write-back, down, pre indexed. */ + SHPREDOWNWB (); break; } - } - - if (state->is_v5) { - if (BITS (4, 11) == 0xF1 - && BITS (16, 19) == 0xF) { - /* ARM5 CLZ insn. */ - ARMword op1 = - state-> - Reg[BITS (0, 3)]; - int result = 32; - - if (op1) - for (result = 0; - (op1 & - 0x80000000) == - 0; op1 <<= 1) - result++; - state->Reg[BITS (12, 15)] = - result; + if (BITS (4, 7) == 0xD) { + Handle_Load_Double (state, instr); + break; + } + if (BITS (4, 7) == 0xF) { + Handle_Store_Double (state, instr); break; } - } - -#ifdef MODET - if (BITS (4, 7) == 0xB) { - /* STRH immediate offset, write-back, down, pre indexed. */ - SHPREDOWNWB (); - break; - } - if (BITS (4, 7) == 0xD) { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) { - Handle_Store_Double (state, instr); - break; - } #endif - if (DESTReg == 15) { - /* MSR */ - UNDEF_MSRPC; - ARMul_FixSPSR (state, instr, - DPRegRHS); - } - else { - UNDEF_Test; - } - break; + if (DESTReg == 15) { + /* MSR */ + UNDEF_MSRPC; + /*ARMul_FixSPSR (state, instr, + DPRegRHS);*/ + } else { + UNDEF_Test; + } + break; - case 0x17: /* CMNP reg */ + case 0x17: /* CMNP reg */ #ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - /* LDR immediate offset, write-back, down, pre indexed. */ - LHPREDOWNWB (); - /* Continue with remaining instruction decoding. */ + if ((BITS (4, 7) & 0x9) == 0x9) + /* LDR immediate offset, write-back, down, pre indexed. */ + LHPREDOWNWB (); + /* Continue with remaining instruction decoding. */ #endif - if (DESTReg == 15) { + if (DESTReg == 15) { #ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); + state->Cpsr = GETSPSR (state->Bank); + //ARMul_CPSRAltered (state); #else - rhs = DPRegRHS; - temp = LHS + rhs; - SETR15PSR (temp); + rhs = DPRegRHS; + temp = LHS + rhs; + SETR15PSR (temp); #endif - break; - } - else { - /* CMN reg. */ - lhs = LHS; - rhs = DPRegRHS; - dest = lhs + rhs; - ASSIGNZ (dest == 0); - if ((lhs | rhs) >> 30) { - /* Possible C,V,N to set. */ - ASSIGNN (NEG (dest)); - ARMul_AddCarry (state, lhs, - rhs, dest); - ARMul_AddOverflow (state, lhs, - rhs, dest); - } - else { - CLEARN; - CLEARC; - CLEARV; + break; + } else { + /* CMN reg. */ + lhs = LHS; + rhs = DPRegRHS; + dest = lhs + rhs; + ASSIGNZ (dest == 0); + if ((lhs | rhs) >> 30) { + /* Possible C,V,N to set. */ + ASSIGNN (NEG (dest)); + ARMul_AddCarry (state, lhs, rhs, dest); + ARMul_AddOverflow (state, lhs, rhs, dest); + } else { + CLEARN; + CLEARC; + CLEARV; + } } - } - break; + break; - case 0x18: /* ORR reg */ + case 0x18: /* ORR reg */ #ifdef MODET - /* dyf add armv6 instr strex 2010.9.17 */ - if (state->is_v6) { - if (BITS (4, 7) == 0x9) - if (handle_v6_insn (state, instr)) - break; - } + /* dyf add armv6 instr strex 2010.9.17 */ + if (state->is_v6) { + if (BITS (4, 7) == 0x9) + if (handle_v6_insn (state, instr)) + break; + } - if (BITS (4, 11) == 0xB) { - /* STRH register offset, no write-back, up, pre indexed. */ - SHPREUP (); - break; - } - if (BITS (4, 7) == 0xD) { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) { - Handle_Store_Double (state, instr); - break; - } + if (BITS (4, 11) == 0xB) { + /* STRH register offset, no write-back, up, pre indexed. */ + SHPREUP (); + break; + } + if (BITS (4, 7) == 0xD) { + Handle_Load_Double (state, instr); + break; + } + if (BITS (4, 7) == 0xF) { + Handle_Store_Double (state, instr); + break; + } #endif - rhs = DPRegRHS; - dest = LHS | rhs; - WRITEDEST (dest); - break; + rhs = DPRegRHS; + dest = LHS | rhs; + WRITEDEST (dest); + break; - case 0x19: /* ORRS reg */ + case 0x19: /* ORRS reg */ #ifdef MODET - /* dyf add armv6 instr ldrex */ - if (state->is_v6) { - if (BITS (4, 7) == 0x9) { - if (handle_v6_insn (state, instr)) - break; + /* dyf add armv6 instr ldrex */ + if (state->is_v6) { + if (BITS (4, 7) == 0x9) { + if (handle_v6_insn (state, instr)) + break; + } } - } - if ((BITS (4, 11) & 0xF9) == 0x9) - /* LDR register offset, no write-back, up, pre indexed. */ - LHPREUP (); - /* Continue with remaining instruction decoding. */ + if ((BITS (4, 11) & 0xF9) == 0x9) + /* LDR register offset, no write-back, up, pre indexed. */ + LHPREUP (); + /* Continue with remaining instruction decoding. */ #endif - rhs = DPSRegRHS; - dest = LHS | rhs; - WRITESDEST (dest); - break; + rhs = DPSRegRHS; + dest = LHS | rhs; + WRITESDEST (dest); + break; - case 0x1a: /* MOV reg */ + case 0x1a: /* MOV reg */ #ifdef MODET - if (BITS (4, 11) == 0xB) { - /* STRH register offset, write-back, up, pre indexed. */ - SHPREUPWB (); - break; - } - if (BITS (4, 7) == 0xD) { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) { - Handle_Store_Double (state, instr); - break; - } + if (BITS (4, 11) == 0xB) { + /* STRH register offset, write-back, up, pre indexed. */ + SHPREUPWB (); + break; + } + if (BITS (4, 7) == 0xD) { + Handle_Load_Double (state, instr); + break; + } + if (BITS (4, 7) == 0xF) { + Handle_Store_Double (state, instr); + break; + } #endif - dest = DPRegRHS; - WRITEDEST (dest); - break; + dest = DPRegRHS; + WRITEDEST (dest); + break; - case 0x1b: /* MOVS reg */ + case 0x1b: /* MOVS reg */ #ifdef MODET - if ((BITS (4, 11) & 0xF9) == 0x9) - /* LDR register offset, write-back, up, pre indexed. */ - LHPREUPWB (); - /* Continue with remaining instruction decoding. */ + if ((BITS (4, 11) & 0xF9) == 0x9) + /* LDR register offset, write-back, up, pre indexed. */ + LHPREUPWB (); + /* Continue with remaining instruction decoding. */ #endif - dest = DPSRegRHS; - WRITESDEST (dest); - break; + dest = DPSRegRHS; + WRITESDEST (dest); + break; - case 0x1c: /* BIC reg */ + case 0x1c: /* BIC reg */ #ifdef MODET - /* dyf add for STREXB */ - if (state->is_v6) { - if (BITS (4, 7) == 0x9) { - if (handle_v6_insn (state, instr)) - break; + /* dyf add for STREXB */ + if (state->is_v6) { + if (BITS (4, 7) == 0x9) { + if (handle_v6_insn (state, instr)) + break; + } + } + if (BITS (4, 7) == 0xB) { + /* STRH immediate offset, no write-back, up, pre indexed. */ + SHPREUP (); + break; + } + if (BITS (4, 7) == 0xD) { + Handle_Load_Double (state, instr); + break; + } else if (BITS (4, 7) == 0xF) { + Handle_Store_Double (state, instr); + break; } - } - if (BITS (4, 7) == 0xB) { - /* STRH immediate offset, no write-back, up, pre indexed. */ - SHPREUP (); - break; - } - if (BITS (4, 7) == 0xD) { - Handle_Load_Double (state, instr); - break; - } - else if (BITS (4, 7) == 0xF) { - Handle_Store_Double (state, instr); - break; - } #endif - rhs = DPRegRHS; - dest = LHS & ~rhs; - WRITEDEST (dest); - break; - - case 0x1d: /* BICS reg */ -#ifdef MODET - /* ladsh P=1 U=1 W=0 L=1 S=1 H=1 */ - if (BITS(4, 7) == 0xF) { - temp = LHS + GetLS7RHS (state, instr); - LoadHalfWord (state, instr, temp, LSIGNED); + rhs = DPRegRHS; + dest = LHS & ~rhs; + WRITEDEST (dest); break; - } - if (BITS (4, 7) == 0xb) { - /* LDRH immediate offset, no write-back, up, pre indexed. */ - temp = LHS + GetLS7RHS (state, instr); - LoadHalfWord (state, instr, temp, LUNSIGNED); - break; - } - if (BITS (4, 7) == 0xd) { - // alex-ykl fix: 2011-07-20 missing ldrsb instruction - temp = LHS + GetLS7RHS (state, instr); - LoadByte (state, instr, temp, LSIGNED); - break; - } + case 0x1d: /* BICS reg */ +#ifdef MODET + /* ladsh P=1 U=1 W=0 L=1 S=1 H=1 */ + if (BITS(4, 7) == 0xF) { + temp = LHS + GetLS7RHS (state, instr); + LoadHalfWord (state, instr, temp, LSIGNED); + break; - /* Continue with instruction decoding. */ - /*if ((BITS (4, 7) & 0x9) == 0x9) */ - if ((BITS (4, 7)) == 0x9) { - /* ldrexb */ - if (state->is_v6) { - if (handle_v6_insn (state, instr)) - break; } - /* LDR immediate offset, no write-back, up, pre indexed. */ - LHPREUP (); + if (BITS (4, 7) == 0xb) { + /* LDRH immediate offset, no write-back, up, pre indexed. */ + temp = LHS + GetLS7RHS (state, instr); + LoadHalfWord (state, instr, temp, LUNSIGNED); + break; + } + if (BITS (4, 7) == 0xd) { + // alex-ykl fix: 2011-07-20 missing ldrsb instruction + temp = LHS + GetLS7RHS (state, instr); + LoadByte (state, instr, temp, LSIGNED); + break; + } - } + /* Continue with instruction decoding. */ + /*if ((BITS (4, 7) & 0x9) == 0x9) */ + if ((BITS (4, 7)) == 0x9) { + /* ldrexb */ + if (state->is_v6) { + if (handle_v6_insn (state, instr)) + break; + } + /* LDR immediate offset, no write-back, up, pre indexed. */ + LHPREUP (); + + } #endif - rhs = DPSRegRHS; - dest = LHS & ~rhs; - WRITESDEST (dest); - break; + rhs = DPSRegRHS; + dest = LHS & ~rhs; + WRITESDEST (dest); + break; - case 0x1e: /* MVN reg */ + case 0x1e: /* MVN reg */ #ifdef MODET - if (BITS (4, 7) == 0xB) { - /* STRH immediate offset, write-back, up, pre indexed. */ - SHPREUPWB (); - break; - } - if (BITS (4, 7) == 0xD) { - Handle_Load_Double (state, instr); - break; - } - if (BITS (4, 7) == 0xF) { - Handle_Store_Double (state, instr); - break; - } + if ((instr & 0x00000FF0) == 0x00000F90) { //if ((instr & 0x0FF00FF0) == 0x01e00f90) { //todo make that better ichfly + /* strexh ichfly */ + u32 l = LHSReg; + u32 r = RHSReg; + lhs = LHS; + + bool enter = false; + + if (state->currentexval == (u32)ARMul_LoadHalfWord(state, state->currentexaddr))enter = true; + + + ARMul_StoreHalfWord(state, lhs, RHS); + //StoreWord(state, lhs, RHS) + if (state->Aborted) { + TAKEABORT; + } + if (enter) + { + state->Reg[DESTReg] = 0; + } + else + { + state->Reg[DESTReg] = 1; + } + break; + } + if (BITS (4, 7) == 0xB) { + /* STRH immediate offset, write-back, up, pre indexed. */ + SHPREUPWB (); + break; + } + if (BITS (4, 7) == 0xD) { + Handle_Load_Double (state, instr); + break; + } + if (BITS (4, 7) == 0xF) { + Handle_Store_Double (state, instr); + break; + } #endif - dest = ~DPRegRHS; - WRITEDEST (dest); - break; + dest = ~DPRegRHS; + WRITEDEST (dest); + break; - case 0x1f: /* MVNS reg */ + case 0x1f: /* MVNS reg */ #ifdef MODET - if ((BITS (4, 7) & 0x9) == 0x9) - /* LDR immediate offset, write-back, up, pre indexed. */ - LHPREUPWB (); - /* Continue instruction decoding. */ + + if ((instr & 0x00000FF0) == 0x00000F90) { //(instr & 0x0FF00FF0) == 0x01f00f90)//if ((instr & 0x0FF00FF0) == 0x01f00f90) { + /* ldrexh ichfly */ + lhs = LHS; + + state->currentexaddr = lhs; + state->currentexval = (u32)ARMul_LoadHalfWord(state, lhs); + + LoadHalfWord(state, instr, lhs,0); + break; + } + + if ((BITS (4, 7) & 0x9) == 0x9) + /* LDR immediate offset, write-back, up, pre indexed. */ + LHPREUPWB (); + /* Continue instruction decoding. */ #endif - dest = ~DPSRegRHS; - WRITESDEST (dest); - break; + dest = ~DPSRegRHS; + WRITESDEST (dest); + break; /* Data Processing Immediate RHS Instructions. */ - case 0x20: /* AND immed */ - dest = LHS & DPImmRHS; - WRITEDEST (dest); - break; + case 0x20: /* AND immed */ + dest = LHS & DPImmRHS; + WRITEDEST (dest); + break; - case 0x21: /* ANDS immed */ - DPSImmRHS; - dest = LHS & rhs; - WRITESDEST (dest); - break; + case 0x21: /* ANDS immed */ + DPSImmRHS; + dest = LHS & rhs; + WRITESDEST (dest); + break; - case 0x22: /* EOR immed */ - dest = LHS ^ DPImmRHS; - WRITEDEST (dest); - break; + case 0x22: /* EOR immed */ + dest = LHS ^ DPImmRHS; + WRITEDEST (dest); + break; - case 0x23: /* EORS immed */ - DPSImmRHS; - dest = LHS ^ rhs; - WRITESDEST (dest); - break; + case 0x23: /* EORS immed */ + DPSImmRHS; + dest = LHS ^ rhs; + WRITESDEST (dest); + break; - case 0x24: /* SUB immed */ - dest = LHS - DPImmRHS; - WRITEDEST (dest); - break; + case 0x24: /* SUB immed */ + dest = LHS - DPImmRHS; + WRITEDEST (dest); + break; - case 0x25: /* SUBS immed */ - lhs = LHS; - rhs = DPImmRHS; - dest = lhs - rhs; - - if ((lhs >= rhs) || ((rhs | lhs) >> 31)) { - ARMul_SubCarry (state, lhs, rhs, - dest); - ARMul_SubOverflow (state, lhs, rhs, - dest); - } - else { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; + case 0x25: /* SUBS immed */ + lhs = LHS; + rhs = DPImmRHS; + dest = lhs - rhs; - case 0x26: /* RSB immed */ - dest = DPImmRHS - LHS; - WRITEDEST (dest); - break; + if ((lhs >= rhs) || ((rhs | lhs) >> 31)) { + ARMul_SubCarry (state, lhs, rhs, dest); + ARMul_SubOverflow (state, lhs, rhs, dest); + } else { + CLEARC; + CLEARV; + } + WRITESDEST (dest); + break; - case 0x27: /* RSBS immed */ - lhs = LHS; - rhs = DPImmRHS; - dest = rhs - lhs; - - if ((rhs >= lhs) || ((rhs | lhs) >> 31)) { - ARMul_SubCarry (state, rhs, lhs, - dest); - ARMul_SubOverflow (state, rhs, lhs, - dest); - } - else { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; + case 0x26: /* RSB immed */ + dest = DPImmRHS - LHS; + WRITEDEST (dest); + break; - case 0x28: /* ADD immed */ - dest = LHS + DPImmRHS; - WRITEDEST (dest); - break; + case 0x27: /* RSBS immed */ + lhs = LHS; + rhs = DPImmRHS; + dest = rhs - lhs; - case 0x29: /* ADDS immed */ - lhs = LHS; - rhs = DPImmRHS; - dest = lhs + rhs; - ASSIGNZ (dest == 0); - - if ((lhs | rhs) >> 30) { - /* Possible C,V,N to set. */ - ASSIGNN (NEG (dest)); - ARMul_AddCarry (state, lhs, rhs, - dest); - ARMul_AddOverflow (state, lhs, rhs, - dest); - } - else { - CLEARN; - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; + if ((rhs >= lhs) || ((rhs | lhs) >> 31)) { + ARMul_SubCarry (state, rhs, lhs, dest); + ARMul_SubOverflow (state, rhs, lhs, dest); + } else { + CLEARC; + CLEARV; + } + WRITESDEST (dest); + break; - case 0x2a: /* ADC immed */ - dest = LHS + DPImmRHS + CFLAG; - WRITEDEST (dest); - break; + case 0x28: /* ADD immed */ + dest = LHS + DPImmRHS; + WRITEDEST (dest); + break; - case 0x2b: /* ADCS immed */ - lhs = LHS; - rhs = DPImmRHS; - dest = lhs + rhs + CFLAG; - ASSIGNZ (dest == 0); - if ((lhs | rhs) >> 30) { - /* Possible C,V,N to set. */ - ASSIGNN (NEG (dest)); - ARMul_AddCarry (state, lhs, rhs, - dest); - ARMul_AddOverflow (state, lhs, rhs, - dest); - } - else { - CLEARN; - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; + case 0x29: /* ADDS immed */ + lhs = LHS; + rhs = DPImmRHS; + dest = lhs + rhs; + ASSIGNZ (dest == 0); - case 0x2c: /* SBC immed */ - dest = LHS - DPImmRHS - !CFLAG; - WRITEDEST (dest); - break; + if ((lhs | rhs) >> 30) { + /* Possible C,V,N to set. */ + ASSIGNN (NEG (dest)); + ARMul_AddCarry (state, lhs, rhs, dest); + ARMul_AddOverflow (state, lhs, rhs, dest); + } else { + CLEARN; + CLEARC; + CLEARV; + } + WRITESDEST (dest); + break; - case 0x2d: /* SBCS immed */ - lhs = LHS; - rhs = DPImmRHS; - dest = lhs - rhs - !CFLAG; - if ((lhs >= rhs) || ((rhs | lhs) >> 31)) { - ARMul_SubCarry (state, lhs, rhs, - dest); - ARMul_SubOverflow (state, lhs, rhs, - dest); - } - else { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; + case 0x2a: /* ADC immed */ + dest = LHS + DPImmRHS + CFLAG; + WRITEDEST (dest); + break; - case 0x2e: /* RSC immed */ - dest = DPImmRHS - LHS - !CFLAG; - WRITEDEST (dest); - break; + case 0x2b: /* ADCS immed */ + lhs = LHS; + rhs = DPImmRHS; + dest = lhs + rhs + CFLAG; + ASSIGNZ (dest == 0); + if ((lhs | rhs) >> 30) { + /* Possible C,V,N to set. */ + ASSIGNN (NEG (dest)); + ARMul_AddCarry (state, lhs, rhs, dest); + ARMul_AddOverflow (state, lhs, rhs, dest); + } else { + CLEARN; + CLEARC; + CLEARV; + } + WRITESDEST (dest); + break; - case 0x2f: /* RSCS immed */ - lhs = LHS; - rhs = DPImmRHS; - dest = rhs - lhs - !CFLAG; - if ((rhs >= lhs) || ((rhs | lhs) >> 31)) { - ARMul_SubCarry (state, rhs, lhs, - dest); - ARMul_SubOverflow (state, rhs, lhs, - dest); - } - else { - CLEARC; - CLEARV; - } - WRITESDEST (dest); - break; + case 0x2c: /* SBC immed */ + dest = LHS - DPImmRHS - !CFLAG; + WRITEDEST (dest); + break; - case 0x30: /* TST immed */ - /* shenoubang 2012-3-14*/ - if (state->is_v6) { /* movw, ARMV6, ARMv7 */ - dest ^= dest; - dest = BITS(16, 19); - dest = ((dest<<12) | BITS(0, 11)); - WRITEDEST(dest); - //SKYEYE_DBG("In %s, line = %d, pc = 0x%x, instr = 0x%x, R[0:11]: 0x%x, R[16:19]: 0x%x, R[%d]:0x%x\n", - // __func__, __LINE__, pc, instr, BITS(0, 11), BITS(16, 19), DESTReg, state->Reg[DESTReg]); + case 0x2d: /* SBCS immed */ + lhs = LHS; + rhs = DPImmRHS; + dest = lhs - rhs - !CFLAG; + if ((lhs >= rhs) || ((rhs | lhs) >> 31)) { + ARMul_SubCarry (state, lhs, rhs, dest); + ARMul_SubOverflow (state, lhs, rhs, dest); + } else { + CLEARC; + CLEARV; + } + WRITESDEST (dest); break; - } - else { - UNDEF_Test; + + case 0x2e: /* RSC immed */ + dest = DPImmRHS - LHS - !CFLAG; + WRITEDEST (dest); + break; + + case 0x2f: /* RSCS immed */ + lhs = LHS; + rhs = DPImmRHS; + dest = rhs - lhs - !CFLAG; + if ((rhs >= lhs) || ((rhs | lhs) >> 31)) { + ARMul_SubCarry (state, rhs, lhs, dest); + ARMul_SubOverflow (state, rhs, lhs, dest); + } else { + CLEARC; + CLEARV; + } + WRITESDEST (dest); break; - } - case 0x31: /* TSTP immed */ - if (DESTReg == 15) { - /* TSTP immed. */ + case 0x30: /* TST immed */ + /* shenoubang 2012-3-14*/ + if (state->is_v6) { /* movw, ARMV6, ARMv7 */ + dest ^= dest; + dest = BITS(16, 19); + dest = ((dest<<12) | BITS(0, 11)); + WRITEDEST(dest); + //SKYEYE_DBG("In %s, line = %d, pc = 0x%x, instr = 0x%x, R[0:11]: 0x%x, R[16:19]: 0x%x, R[%d]:0x%x\n", + // __func__, __LINE__, pc, instr, BITS(0, 11), BITS(16, 19), DESTReg, state->Reg[DESTReg]); + break; + } else { + UNDEF_Test; + break; + } + + case 0x31: /* TSTP immed */ + if (DESTReg == 15) { + /* TSTP immed. */ #ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); + state->Cpsr = GETSPSR (state->Bank); + //ARMul_CPSRAltered (state); #else - temp = LHS & DPImmRHS; - SETR15PSR (temp); + temp = LHS & DPImmRHS; + SETR15PSR (temp); #endif - } - else { - /* TST immed. */ - DPSImmRHS; - dest = LHS & rhs; - ARMul_NegZero (state, dest); - } - break; + } else { + /* TST immed. */ + DPSImmRHS; + dest = LHS & rhs; + ARMul_NegZero (state, dest); + } + break; - case 0x32: /* TEQ immed and MSR immed to CPSR */ - if (DESTReg == 15) - /* MSR immed to CPSR. */ - ARMul_FixCPSR (state, instr, - DPImmRHS); - else - UNDEF_Test; - break; + case 0x32: /* TEQ immed and MSR immed to CPSR */ + if (DESTReg == 15) + /* MSR immed to CPSR. */ + ARMul_FixCPSR (state, instr, + DPImmRHS); + else + UNDEF_Test; + break; - case 0x33: /* TEQP immed */ - if (DESTReg == 15) { - /* TEQP immed. */ + case 0x33: /* TEQP immed */ + if (DESTReg == 15) { + /* TEQP immed. */ #ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); + state->Cpsr = GETSPSR (state->Bank); + //ARMul_CPSRAltered (state); #else - temp = LHS ^ DPImmRHS; - SETR15PSR (temp); + temp = LHS ^ DPImmRHS; + SETR15PSR (temp); #endif - } - else { - DPSImmRHS; /* TEQ immed */ - dest = LHS ^ rhs; - ARMul_NegZero (state, dest); - } - break; + } else { + DPSImmRHS; /* TEQ immed */ + dest = LHS ^ rhs; + ARMul_NegZero (state, dest); + } + break; - case 0x34: /* CMP immed */ - UNDEF_Test; - break; + case 0x34: /* CMP immed */ + UNDEF_Test; + break; - case 0x35: /* CMPP immed */ - if (DESTReg == 15) { - /* CMPP immed. */ + case 0x35: /* CMPP immed */ + if (DESTReg == 15) { + /* CMPP immed. */ #ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); + state->Cpsr = GETSPSR (state->Bank); + //ARMul_CPSRAltered (state); #else - temp = LHS - DPImmRHS; - SETR15PSR (temp); + temp = LHS - DPImmRHS; + SETR15PSR (temp); #endif - break; - } - else { - /* CMP immed. */ - lhs = LHS; - rhs = DPImmRHS; - dest = lhs - rhs; - ARMul_NegZero (state, dest); + break; + } else { + /* CMP immed. */ + lhs = LHS; + rhs = DPImmRHS; + dest = lhs - rhs; + ARMul_NegZero (state, dest); - if ((lhs >= rhs) - || ((rhs | lhs) >> 31)) { - ARMul_SubCarry (state, lhs, - rhs, dest); - ARMul_SubOverflow (state, lhs, - rhs, dest); - } - else { - CLEARC; - CLEARV; + if ((lhs >= rhs) || ((rhs | lhs) >> 31)) { + ARMul_SubCarry (state, lhs, rhs, dest); + ARMul_SubOverflow (state, lhs, rhs, dest); + } else { + CLEARC; + CLEARV; + } } - } - break; + break; - case 0x36: /* CMN immed and MSR immed to SPSR */ - if (DESTReg == 15) - ARMul_FixSPSR (state, instr, - DPImmRHS); - else + case 0x36: /* CMN immed and MSR immed to SPSR */ + //if (DESTReg == 15) + /*ARMul0_FixSPSR (state, instr, + DPImmRHS);*/ + //else UNDEF_Test; - break; + break; - case 0x37: /* CMNP immed. */ - if (DESTReg == 15) { - /* CMNP immed. */ + case 0x37: /* CMNP immed. */ + if (DESTReg == 15) { + /* CMNP immed. */ #ifdef MODE32 - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); + state->Cpsr = GETSPSR (state->Bank); + //ARMul_CPSRAltered (state); #else - temp = LHS + DPImmRHS; - SETR15PSR (temp); + temp = LHS + DPImmRHS; + SETR15PSR (temp); #endif - break; - } - else { - /* CMN immed. */ - lhs = LHS; - rhs = DPImmRHS; - dest = lhs + rhs; - ASSIGNZ (dest == 0); - if ((lhs | rhs) >> 30) { - /* Possible C,V,N to set. */ - ASSIGNN (NEG (dest)); - ARMul_AddCarry (state, lhs, - rhs, dest); - ARMul_AddOverflow (state, lhs, - rhs, dest); - } - else { - CLEARN; - CLEARC; - CLEARV; + break; + } else { + /* CMN immed. */ + lhs = LHS; + rhs = DPImmRHS; + dest = lhs + rhs; + ASSIGNZ (dest == 0); + if ((lhs | rhs) >> 30) { + /* Possible C,V,N to set. */ + ASSIGNN (NEG (dest)); + ARMul_AddCarry (state, lhs, rhs, dest); + ARMul_AddOverflow (state, lhs, rhs, dest); + } else { + CLEARN; + CLEARC; + CLEARV; + } } - } - break; + break; - case 0x38: /* ORR immed. */ - dest = LHS | DPImmRHS; - WRITEDEST (dest); - break; + case 0x38: /* ORR immed. */ + dest = LHS | DPImmRHS; + WRITEDEST (dest); + break; - case 0x39: /* ORRS immed. */ - DPSImmRHS; - dest = LHS | rhs; - WRITESDEST (dest); - break; + case 0x39: /* ORRS immed. */ + DPSImmRHS; + dest = LHS | rhs; + WRITESDEST (dest); + break; - case 0x3a: /* MOV immed. */ - dest = DPImmRHS; - WRITEDEST (dest); - break; + case 0x3a: /* MOV immed. */ + dest = DPImmRHS; + WRITEDEST (dest); + break; - case 0x3b: /* MOVS immed. */ - DPSImmRHS; - WRITESDEST (rhs); - break; + case 0x3b: /* MOVS immed. */ + DPSImmRHS; + WRITESDEST (rhs); + break; - case 0x3c: /* BIC immed. */ - dest = LHS & ~DPImmRHS; - WRITEDEST (dest); - break; + case 0x3c: /* BIC immed. */ + dest = LHS & ~DPImmRHS; + WRITEDEST (dest); + break; - case 0x3d: /* BICS immed. */ - DPSImmRHS; - dest = LHS & ~rhs; - WRITESDEST (dest); - break; + case 0x3d: /* BICS immed. */ + DPSImmRHS; + dest = LHS & ~rhs; + WRITESDEST (dest); + break; - case 0x3e: /* MVN immed. */ - dest = ~DPImmRHS; - WRITEDEST (dest); - break; + case 0x3e: /* MVN immed. */ + dest = ~DPImmRHS; + WRITEDEST (dest); + break; - case 0x3f: /* MVNS immed. */ - DPSImmRHS; - WRITESDEST (~rhs); - break; + case 0x3f: /* MVNS immed. */ + DPSImmRHS; + WRITESDEST (~rhs); + break; /* Single Data Transfer Immediate RHS Instructions. */ - case 0x40: /* Store Word, No WriteBack, Post Dec, Immed. */ - lhs = LHS; - if (StoreWord (state, instr, lhs)) - LSBase = lhs - LSImmRHS; - break; + case 0x40: /* Store Word, No WriteBack, Post Dec, Immed. */ + lhs = LHS; + if (StoreWord (state, instr, lhs)) + LSBase = lhs - LSImmRHS; + break; - case 0x41: /* Load Word, No WriteBack, Post Dec, Immed. */ - lhs = LHS; - if (LoadWord (state, instr, lhs)) - LSBase = lhs - LSImmRHS; - break; + case 0x41: /* Load Word, No WriteBack, Post Dec, Immed. */ + lhs = LHS; + if (LoadWord (state, instr, lhs)) + LSBase = lhs - LSImmRHS; + break; - case 0x42: /* Store Word, WriteBack, Post Dec, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - temp = lhs - LSImmRHS; - state->NtransSig = LOW; - if (StoreWord (state, instr, lhs)) - LSBase = temp; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; + case 0x42: /* Store Word, WriteBack, Post Dec, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + lhs = LHS; + temp = lhs - LSImmRHS; + state->NtransSig = LOW; + if (StoreWord (state, instr, lhs)) + LSBase = temp; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; + break; - case 0x43: /* Load Word, WriteBack, Post Dec, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - state->NtransSig = LOW; - if (LoadWord (state, instr, lhs)) - LSBase = lhs - LSImmRHS; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; + case 0x43: /* Load Word, WriteBack, Post Dec, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + lhs = LHS; + state->NtransSig = LOW; + if (LoadWord (state, instr, lhs)) + LSBase = lhs - LSImmRHS; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; + break; - case 0x44: /* Store Byte, No WriteBack, Post Dec, Immed. */ - lhs = LHS; - if (StoreByte (state, instr, lhs)) - LSBase = lhs - LSImmRHS; - break; + case 0x44: /* Store Byte, No WriteBack, Post Dec, Immed. */ + lhs = LHS; + if (StoreByte (state, instr, lhs)) + LSBase = lhs - LSImmRHS; + break; - case 0x45: /* Load Byte, No WriteBack, Post Dec, Immed. */ - lhs = LHS; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = lhs - LSImmRHS; - break; + case 0x45: /* Load Byte, No WriteBack, Post Dec, Immed. */ + lhs = LHS; + if (LoadByte (state, instr, lhs, LUNSIGNED)) + LSBase = lhs - LSImmRHS; + break; - case 0x46: /* Store Byte, WriteBack, Post Dec, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - state->NtransSig = LOW; - if (StoreByte (state, instr, lhs)) - LSBase = lhs - LSImmRHS; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; + case 0x46: /* Store Byte, WriteBack, Post Dec, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + lhs = LHS; + state->NtransSig = LOW; + if (StoreByte (state, instr, lhs)) + LSBase = lhs - LSImmRHS; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; + break; - case 0x47: /* Load Byte, WriteBack, Post Dec, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - state->NtransSig = LOW; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = lhs - LSImmRHS; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; + case 0x47: /* Load Byte, WriteBack, Post Dec, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + lhs = LHS; + state->NtransSig = LOW; + if (LoadByte (state, instr, lhs, LUNSIGNED)) + LSBase = lhs - LSImmRHS; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; + break; - case 0x48: /* Store Word, No WriteBack, Post Inc, Immed. */ - lhs = LHS; - if (StoreWord (state, instr, lhs)) - LSBase = lhs + LSImmRHS; - break; + case 0x48: /* Store Word, No WriteBack, Post Inc, Immed. */ + lhs = LHS; + if (StoreWord (state, instr, lhs)) + LSBase = lhs + LSImmRHS; + break; - case 0x49: /* Load Word, No WriteBack, Post Inc, Immed. */ - lhs = LHS; - if (LoadWord (state, instr, lhs)) - LSBase = lhs + LSImmRHS; - break; + case 0x49: /* Load Word, No WriteBack, Post Inc, Immed. */ + lhs = LHS; + if (LoadWord (state, instr, lhs)) + LSBase = lhs + LSImmRHS; + break; - case 0x4a: /* Store Word, WriteBack, Post Inc, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - state->NtransSig = LOW; - if (StoreWord (state, instr, lhs)) - LSBase = lhs + LSImmRHS; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; + case 0x4a: /* Store Word, WriteBack, Post Inc, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + lhs = LHS; + state->NtransSig = LOW; + if (StoreWord (state, instr, lhs)) + LSBase = lhs + LSImmRHS; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; + break; - case 0x4b: /* Load Word, WriteBack, Post Inc, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - state->NtransSig = LOW; - if (LoadWord (state, instr, lhs)) - LSBase = lhs + LSImmRHS; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; + case 0x4b: /* Load Word, WriteBack, Post Inc, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + lhs = LHS; + state->NtransSig = LOW; + if (LoadWord (state, instr, lhs)) + LSBase = lhs + LSImmRHS; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; + break; - case 0x4c: /* Store Byte, No WriteBack, Post Inc, Immed. */ - lhs = LHS; - if (StoreByte (state, instr, lhs)) - LSBase = lhs + LSImmRHS; - break; + case 0x4c: /* Store Byte, No WriteBack, Post Inc, Immed. */ + lhs = LHS; + if (StoreByte (state, instr, lhs)) + LSBase = lhs + LSImmRHS; + break; - case 0x4d: /* Load Byte, No WriteBack, Post Inc, Immed. */ - lhs = LHS; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = lhs + LSImmRHS; - break; + case 0x4d: /* Load Byte, No WriteBack, Post Inc, Immed. */ + lhs = LHS; + if (LoadByte (state, instr, lhs, LUNSIGNED)) + LSBase = lhs + LSImmRHS; + break; - case 0x4e: /* Store Byte, WriteBack, Post Inc, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - state->NtransSig = LOW; - if (StoreByte (state, instr, lhs)) - LSBase = lhs + LSImmRHS; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; + case 0x4e: /* Store Byte, WriteBack, Post Inc, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + lhs = LHS; + state->NtransSig = LOW; + if (StoreByte (state, instr, lhs)) + LSBase = lhs + LSImmRHS; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; + break; - case 0x4f: /* Load Byte, WriteBack, Post Inc, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - lhs = LHS; - state->NtransSig = LOW; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = lhs + LSImmRHS; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; + case 0x4f: /* Load Byte, WriteBack, Post Inc, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + lhs = LHS; + state->NtransSig = LOW; + if (LoadByte (state, instr, lhs, LUNSIGNED)) + LSBase = lhs + LSImmRHS; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; + break; - case 0x50: /* Store Word, No WriteBack, Pre Dec, Immed. */ - (void) StoreWord (state, instr, - LHS - LSImmRHS); - break; + case 0x50: /* Store Word, No WriteBack, Pre Dec, Immed. */ + (void) StoreWord (state, instr, LHS - LSImmRHS); + break; - case 0x51: /* Load Word, No WriteBack, Pre Dec, Immed. */ - (void) LoadWord (state, instr, - LHS - LSImmRHS); - break; + case 0x51: /* Load Word, No WriteBack, Pre Dec, Immed. */ + (void) LoadWord (state, instr, LHS - LSImmRHS); + break; - case 0x52: /* Store Word, WriteBack, Pre Dec, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS - LSImmRHS; - if (StoreWord (state, instr, temp)) - LSBase = temp; - break; + case 0x52: /* Store Word, WriteBack, Pre Dec, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + temp = LHS - LSImmRHS; + if (StoreWord (state, instr, temp)) + LSBase = temp; + break; - case 0x53: /* Load Word, WriteBack, Pre Dec, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS - LSImmRHS; - if (LoadWord (state, instr, temp)) - LSBase = temp; - break; + case 0x53: /* Load Word, WriteBack, Pre Dec, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + temp = LHS - LSImmRHS; + if (LoadWord (state, instr, temp)) + LSBase = temp; + break; - case 0x54: /* Store Byte, No WriteBack, Pre Dec, Immed. */ - (void) StoreByte (state, instr, - LHS - LSImmRHS); - break; + case 0x54: /* Store Byte, No WriteBack, Pre Dec, Immed. */ + (void) StoreByte (state, instr, LHS - LSImmRHS); + break; - case 0x55: /* Load Byte, No WriteBack, Pre Dec, Immed. */ - (void) LoadByte (state, instr, LHS - LSImmRHS, - LUNSIGNED); - break; + case 0x55: /* Load Byte, No WriteBack, Pre Dec, Immed. */ + (void) LoadByte (state, instr, LHS - LSImmRHS, LUNSIGNED); + break; - case 0x56: /* Store Byte, WriteBack, Pre Dec, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS - LSImmRHS; - if (StoreByte (state, instr, temp)) - LSBase = temp; - break; + case 0x56: /* Store Byte, WriteBack, Pre Dec, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + temp = LHS - LSImmRHS; + if (StoreByte (state, instr, temp)) + LSBase = temp; + break; - case 0x57: /* Load Byte, WriteBack, Pre Dec, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS - LSImmRHS; - if (LoadByte (state, instr, temp, LUNSIGNED)) - LSBase = temp; - break; + case 0x57: /* Load Byte, WriteBack, Pre Dec, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + temp = LHS - LSImmRHS; + if (LoadByte (state, instr, temp, LUNSIGNED)) + LSBase = temp; + break; - case 0x58: /* Store Word, No WriteBack, Pre Inc, Immed. */ - (void) StoreWord (state, instr, - LHS + LSImmRHS); - break; + case 0x58: /* Store Word, No WriteBack, Pre Inc, Immed. */ + (void) StoreWord (state, instr, LHS + LSImmRHS); + break; - case 0x59: /* Load Word, No WriteBack, Pre Inc, Immed. */ - (void) LoadWord (state, instr, - LHS + LSImmRHS); - break; + case 0x59: /* Load Word, No WriteBack, Pre Inc, Immed. */ + (void) LoadWord (state, instr, LHS + LSImmRHS); + break; - case 0x5a: /* Store Word, WriteBack, Pre Inc, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS + LSImmRHS; - if (StoreWord (state, instr, temp)) - LSBase = temp; - break; + case 0x5a: /* Store Word, WriteBack, Pre Inc, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + temp = LHS + LSImmRHS; + if (StoreWord (state, instr, temp)) + LSBase = temp; + break; - case 0x5b: /* Load Word, WriteBack, Pre Inc, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS + LSImmRHS; - if (LoadWord (state, instr, temp)) - LSBase = temp; - break; + case 0x5b: /* Load Word, WriteBack, Pre Inc, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + temp = LHS + LSImmRHS; + if (LoadWord (state, instr, temp)) + LSBase = temp; + break; - case 0x5c: /* Store Byte, No WriteBack, Pre Inc, Immed. */ - (void) StoreByte (state, instr, - LHS + LSImmRHS); - break; + case 0x5c: /* Store Byte, No WriteBack, Pre Inc, Immed. */ + (void) StoreByte (state, instr, LHS + LSImmRHS); + break; - case 0x5d: /* Load Byte, No WriteBack, Pre Inc, Immed. */ - (void) LoadByte (state, instr, LHS + LSImmRHS, - LUNSIGNED); - break; + case 0x5d: /* Load Byte, No WriteBack, Pre Inc, Immed. */ + (void) LoadByte (state, instr, LHS + LSImmRHS, LUNSIGNED); + break; - case 0x5e: /* Store Byte, WriteBack, Pre Inc, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS + LSImmRHS; - if (StoreByte (state, instr, temp)) - LSBase = temp; - break; + case 0x5e: /* Store Byte, WriteBack, Pre Inc, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + temp = LHS + LSImmRHS; + if (StoreByte (state, instr, temp)) + LSBase = temp; + break; - case 0x5f: /* Load Byte, WriteBack, Pre Inc, Immed. */ - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - temp = LHS + LSImmRHS; - if (LoadByte (state, instr, temp, LUNSIGNED)) - LSBase = temp; - break; + case 0x5f: /* Load Byte, WriteBack, Pre Inc, Immed. */ + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + temp = LHS + LSImmRHS; + if (LoadByte (state, instr, temp, LUNSIGNED)) + LSBase = temp; + break; /* Single Data Transfer Register RHS Instructions. */ - case 0x60: /* Store Word, No WriteBack, Post Dec, Reg. */ - if (BIT (4)) { - ARMul_UndefInstr (state, instr); + case 0x60: /* Store Word, No WriteBack, Post Dec, Reg. */ + if (BIT (4)) { + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + if (StoreWord (state, instr, lhs)) + LSBase = lhs - LSRegRHS; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - if (StoreWord (state, instr, lhs)) - LSBase = lhs - LSRegRHS; - break; - case 0x61: /* Load Word, No WriteBack, Post Dec, Reg. */ - if (BIT (4)) { + case 0x61: /* Load Word, No WriteBack, Post Dec, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 && handle_v6_insn (state, instr)) + break; #endif - - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + temp = lhs - LSRegRHS; + if (LoadWord (state, instr, lhs)) + LSBase = temp; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs - LSRegRHS; - if (LoadWord (state, instr, lhs)) - LSBase = temp; - break; - case 0x62: /* Store Word, WriteBack, Post Dec, Reg. */ - if (BIT (4)) { + case 0x62: /* Store Word, WriteBack, Post Dec, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 && handle_v6_insn (state, instr)) + break; #endif - - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + state->NtransSig = LOW; + if (StoreWord (state, instr, lhs)) + LSBase = lhs - LSRegRHS; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - state->NtransSig = LOW; - if (StoreWord (state, instr, lhs)) - LSBase = lhs - LSRegRHS; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; - case 0x63: /* Load Word, WriteBack, Post Dec, Reg. */ - if (BIT (4)) { + case 0x63: /* Load Word, WriteBack, Post Dec, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 && handle_v6_insn (state, instr)) + break; #endif - - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + temp = lhs - LSRegRHS; + state->NtransSig = LOW; + if (LoadWord (state, instr, lhs)) + LSBase = temp; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs - LSRegRHS; - state->NtransSig = LOW; - if (LoadWord (state, instr, lhs)) - LSBase = temp; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; - case 0x64: /* Store Byte, No WriteBack, Post Dec, Reg. */ - if (BIT (4)) { - ARMul_UndefInstr (state, instr); + case 0x64: /* Store Byte, No WriteBack, Post Dec, Reg. */ + if (BIT (4)) { + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + if (StoreByte (state, instr, lhs)) + LSBase = lhs - LSRegRHS; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - if (StoreByte (state, instr, lhs)) - LSBase = lhs - LSRegRHS; - break; - case 0x65: /* Load Byte, No WriteBack, Post Dec, Reg. */ - if (BIT (4)) { + case 0x65: /* Load Byte, No WriteBack, Post Dec, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 && handle_v6_insn (state, instr)) + break; #endif - - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + temp = lhs - LSRegRHS; + if (LoadByte (state, instr, lhs, LUNSIGNED)) + LSBase = temp; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs - LSRegRHS; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = temp; - break; - case 0x66: /* Store Byte, WriteBack, Post Dec, Reg. */ - if (BIT (4)) { + case 0x66: /* Store Byte, WriteBack, Post Dec, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 && handle_v6_insn (state, instr)) + break; #endif - - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + state->NtransSig = LOW; + if (StoreByte (state, instr, lhs)) + LSBase = lhs - LSRegRHS; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - state->NtransSig = LOW; - if (StoreByte (state, instr, lhs)) - LSBase = lhs - LSRegRHS; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; - case 0x67: /* Load Byte, WriteBack, Post Dec, Reg. */ - if (BIT (4)) { + case 0x67: /* Load Byte, WriteBack, Post Dec, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 + && handle_v6_insn (state, instr)) + break; #endif - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + temp = lhs - LSRegRHS; + state->NtransSig = LOW; + if (LoadByte (state, instr, lhs, LUNSIGNED)) + LSBase = temp; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs - LSRegRHS; - state->NtransSig = LOW; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = temp; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; - case 0x68: /* Store Word, No WriteBack, Post Inc, Reg. */ - if (BIT (4)) { + case 0x68: /* Store Word, No WriteBack, Post Inc, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 + && handle_v6_insn (state, instr)) + break; #endif - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + if (StoreWord (state, instr, lhs)) + LSBase = lhs + LSRegRHS; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - if (StoreWord (state, instr, lhs)) - LSBase = lhs + LSRegRHS; - break; - case 0x69: /* Load Word, No WriteBack, Post Inc, Reg. */ - if (BIT (4)) { - ARMul_UndefInstr (state, instr); + case 0x69: /* Load Word, No WriteBack, Post Inc, Reg. */ + if (BIT (4)) { + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + temp = lhs + LSRegRHS; + if (LoadWord (state, instr, lhs)) + LSBase = temp; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs + LSRegRHS; - if (LoadWord (state, instr, lhs)) - LSBase = temp; - break; - case 0x6a: /* Store Word, WriteBack, Post Inc, Reg. */ - if (BIT (4)) { + case 0x6a: /* Store Word, WriteBack, Post Inc, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 + && handle_v6_insn (state, instr)) + break; #endif - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + state->NtransSig = LOW; + if (StoreWord (state, instr, lhs)) + LSBase = lhs + LSRegRHS; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - state->NtransSig = LOW; - if (StoreWord (state, instr, lhs)) - LSBase = lhs + LSRegRHS; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; - case 0x6b: /* Load Word, WriteBack, Post Inc, Reg. */ - if (BIT (4)) { + case 0x6b: /* Load Word, WriteBack, Post Inc, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 + && handle_v6_insn (state, instr)) + break; #endif - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + temp = lhs + LSRegRHS; + state->NtransSig = LOW; + if (LoadWord (state, instr, lhs)) + LSBase = temp; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs + LSRegRHS; - state->NtransSig = LOW; - if (LoadWord (state, instr, lhs)) - LSBase = temp; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; - case 0x6c: /* Store Byte, No WriteBack, Post Inc, Reg. */ - if (BIT (4)) { + case 0x6c: /* Store Byte, No WriteBack, Post Inc, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 + && handle_v6_insn (state, instr)) + break; #endif - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + if (StoreByte (state, instr, lhs)) + LSBase = lhs + LSRegRHS; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - if (StoreByte (state, instr, lhs)) - LSBase = lhs + LSRegRHS; - break; - case 0x6d: /* Load Byte, No WriteBack, Post Inc, Reg. */ - if (BIT (4)) { - ARMul_UndefInstr (state, instr); + case 0x6d: /* Load Byte, No WriteBack, Post Inc, Reg. */ + if (BIT (4)) { + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + temp = lhs + LSRegRHS; + if (LoadByte (state, instr, lhs, LUNSIGNED)) + LSBase = temp; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs + LSRegRHS; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = temp; - break; - case 0x6e: /* Store Byte, WriteBack, Post Inc, Reg. */ + case 0x6e: /* Store Byte, WriteBack, Post Inc, Reg. */ #if 0 - if (state->is_v6) { - int Rm = 0; - /* utxb */ - if (BITS(15, 19) == 0xf && BITS(4, 7) == 0x7) { + if (state->is_v6) { + int Rm = 0; + /* utxb */ + if (BITS(15, 19) == 0xf && BITS(4, 7) == 0x7) { - Rm = (RHS >> (8 * BITS(10, 11))) & 0xff; - DEST = Rm; - } + Rm = (RHS >> (8 * BITS(10, 11))) & 0xff; + DEST = Rm; + } - } + } #endif - if (BIT (4)) { + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 + && handle_v6_insn (state, instr)) + break; #endif - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + state->NtransSig = LOW; + if (StoreByte (state, instr, lhs)) + LSBase = lhs + LSRegRHS; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - state->NtransSig = LOW; - if (StoreByte (state, instr, lhs)) - LSBase = lhs + LSRegRHS; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; - case 0x6f: /* Load Byte, WriteBack, Post Inc, Reg. */ - if (BIT (4)) { + case 0x6f: /* Load Byte, WriteBack, Post Inc, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 + && handle_v6_insn (state, instr)) + break; #endif - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + lhs = LHS; + temp = lhs + LSRegRHS; + state->NtransSig = LOW; + if (LoadByte (state, instr, lhs, LUNSIGNED)) + LSBase = temp; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - lhs = LHS; - temp = lhs + LSRegRHS; - state->NtransSig = LOW; - if (LoadByte (state, instr, lhs, LUNSIGNED)) - LSBase = temp; - state->NtransSig = - (state->Mode & 3) ? HIGH : LOW; - break; - case 0x70: /* Store Word, No WriteBack, Pre Dec, Reg. */ - if (BIT (4)) { + case 0x70: /* Store Word, No WriteBack, Pre Dec, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 && handle_v6_insn (state, instr)) + break; #endif - - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + (void) StoreWord (state, instr, LHS - LSRegRHS); break; - } - (void) StoreWord (state, instr, - LHS - LSRegRHS); - break; - case 0x71: /* Load Word, No WriteBack, Pre Dec, Reg. */ - if (BIT (4)) { - ARMul_UndefInstr (state, instr); + case 0x71: /* Load Word, No WriteBack, Pre Dec, Reg. */ + if (BIT (4)) { + ARMul_UndefInstr (state, instr); + break; + } + (void) LoadWord (state, instr, LHS - LSRegRHS); break; - } - (void) LoadWord (state, instr, - LHS - LSRegRHS); - break; - case 0x72: /* Store Word, WriteBack, Pre Dec, Reg. */ - if (BIT (4)) { - ARMul_UndefInstr (state, instr); + case 0x72: /* Store Word, WriteBack, Pre Dec, Reg. */ + if (BIT (4)) { + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + temp = LHS - LSRegRHS; + if (StoreWord (state, instr, temp)) + LSBase = temp; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS - LSRegRHS; - if (StoreWord (state, instr, temp)) - LSBase = temp; - break; - case 0x73: /* Load Word, WriteBack, Pre Dec, Reg. */ - if (BIT (4)) { - ARMul_UndefInstr (state, instr); + case 0x73: /* Load Word, WriteBack, Pre Dec, Reg. */ + if (BIT (4)) { + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + temp = LHS - LSRegRHS; + if (LoadWord (state, instr, temp)) + LSBase = temp; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS - LSRegRHS; - if (LoadWord (state, instr, temp)) - LSBase = temp; - break; - case 0x74: /* Store Byte, No WriteBack, Pre Dec, Reg. */ - if (BIT (4)) { + case 0x74: /* Store Byte, No WriteBack, Pre Dec, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 && handle_v6_insn (state, instr)) + break; #endif - - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + (void) StoreByte (state, instr, LHS - LSRegRHS); break; - } - (void) StoreByte (state, instr, - LHS - LSRegRHS); - break; - case 0x75: /* Load Byte, No WriteBack, Pre Dec, Reg. */ - if (BIT (4)) { + case 0x75: /* Load Byte, No WriteBack, Pre Dec, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 && handle_v6_insn (state, instr)) + break; #endif - - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + (void) LoadByte (state, instr, LHS - LSRegRHS, LUNSIGNED); break; - } - (void) LoadByte (state, instr, LHS - LSRegRHS, - LUNSIGNED); - break; - case 0x76: /* Store Byte, WriteBack, Pre Dec, Reg. */ - if (BIT (4)) { - ARMul_UndefInstr (state, instr); + case 0x76: /* Store Byte, WriteBack, Pre Dec, Reg. */ + if (BIT (4)) { + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + temp = LHS - LSRegRHS; + if (StoreByte (state, instr, temp)) + LSBase = temp; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS - LSRegRHS; - if (StoreByte (state, instr, temp)) - LSBase = temp; - break; - case 0x77: /* Load Byte, WriteBack, Pre Dec, Reg. */ - if (BIT (4)) { - ARMul_UndefInstr (state, instr); + case 0x77: /* Load Byte, WriteBack, Pre Dec, Reg. */ + if (BIT (4)) { + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + temp = LHS - LSRegRHS; + if (LoadByte (state, instr, temp, LUNSIGNED)) + LSBase = temp; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS - LSRegRHS; - if (LoadByte (state, instr, temp, LUNSIGNED)) - LSBase = temp; - break; - case 0x78: /* Store Word, No WriteBack, Pre Inc, Reg. */ - if (BIT (4)) { + case 0x78: /* Store Word, No WriteBack, Pre Inc, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 && handle_v6_insn (state, instr)) + break; #endif - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + (void) StoreWord (state, instr, LHS + LSRegRHS); break; - } - (void) StoreWord (state, instr, - LHS + LSRegRHS); - break; - case 0x79: /* Load Word, No WriteBack, Pre Inc, Reg. */ - if (BIT (4)) { - ARMul_UndefInstr (state, instr); + case 0x79: /* Load Word, No WriteBack, Pre Inc, Reg. */ + if (BIT (4)) { + ARMul_UndefInstr (state, instr); + break; + } + (void) LoadWord (state, instr, LHS + LSRegRHS); break; - } - (void) LoadWord (state, instr, - LHS + LSRegRHS); - break; - case 0x7a: /* Store Word, WriteBack, Pre Inc, Reg. */ - if (BIT (4)) { + case 0x7a: /* Store Word, WriteBack, Pre Inc, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 && handle_v6_insn (state, instr)) + break; #endif - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + temp = LHS + LSRegRHS; + if (StoreWord (state, instr, temp)) + LSBase = temp; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS + LSRegRHS; - if (StoreWord (state, instr, temp)) - LSBase = temp; - break; - case 0x7b: /* Load Word, WriteBack, Pre Inc, Reg. */ - if (BIT (4)) { - ARMul_UndefInstr (state, instr); + case 0x7b: /* Load Word, WriteBack, Pre Inc, Reg. */ + if (BIT (4)) { + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + temp = LHS + LSRegRHS; + if (LoadWord (state, instr, temp)) + LSBase = temp; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS + LSRegRHS; - if (LoadWord (state, instr, temp)) - LSBase = temp; - break; - case 0x7c: /* Store Byte, No WriteBack, Pre Inc, Reg. */ - if (BIT (4)) { + case 0x7c: /* Store Byte, No WriteBack, Pre Inc, Reg. */ + if (BIT (4)) { #ifdef MODE32 - if (state->is_v6 - && handle_v6_insn (state, instr)) - break; + if (state->is_v6 && handle_v6_insn (state, instr)) + break; #endif - ARMul_UndefInstr (state, instr); + ARMul_UndefInstr (state, instr); + break; + } + (void) StoreByte (state, instr, LHS + LSRegRHS); break; - } - (void) StoreByte (state, instr, - LHS + LSRegRHS); - break; - case 0x7d: /* Load Byte, No WriteBack, Pre Inc, Reg. */ - if (BIT (4)) { - ARMul_UndefInstr (state, instr); + case 0x7d: /* Load Byte, No WriteBack, Pre Inc, Reg. */ + if (BIT (4)) { + ARMul_UndefInstr (state, instr); + break; + } + (void) LoadByte (state, instr, LHS + LSRegRHS, LUNSIGNED); break; - } - (void) LoadByte (state, instr, LHS + LSRegRHS, - LUNSIGNED); - break; - case 0x7e: /* Store Byte, WriteBack, Pre Inc, Reg. */ - if (BIT (4)) { - ARMul_UndefInstr (state, instr); + case 0x7e: /* Store Byte, WriteBack, Pre Inc, Reg. */ + if (BIT (4)) { + ARMul_UndefInstr (state, instr); + break; + } + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + temp = LHS + LSRegRHS; + if (StoreByte (state, instr, temp)) + LSBase = temp; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS + LSRegRHS; - if (StoreByte (state, instr, temp)) - LSBase = temp; - break; - case 0x7f: /* Load Byte, WriteBack, Pre Inc, Reg. */ - if (BIT (4)) { - /* Check for the special breakpoint opcode. - This value should correspond to the value defined - as ARM_BE_BREAKPOINT in gdb/arm/tm-arm.h. */ - if (BITS (0, 19) == 0xfdefe) { - if (!ARMul_OSHandleSWI - (state, SWI_Breakpoint)) - ARMul_Abort (state, - ARMul_SWIV); + case 0x7f: /* Load Byte, WriteBack, Pre Inc, Reg. */ + if (BIT (4)) { + DEBUG("got unhandled special breakpoint\n"); + return 1; } - else - ARMul_UndefInstr (state, - instr); + UNDEF_LSRBaseEQOffWb; + UNDEF_LSRBaseEQDestWb; + UNDEF_LSRPCBaseWb; + UNDEF_LSRPCOffWb; + temp = LHS + LSRegRHS; + if (LoadByte (state, instr, temp, LUNSIGNED)) + LSBase = temp; break; - } - UNDEF_LSRBaseEQOffWb; - UNDEF_LSRBaseEQDestWb; - UNDEF_LSRPCBaseWb; - UNDEF_LSRPCOffWb; - temp = LHS + LSRegRHS; - if (LoadByte (state, instr, temp, LUNSIGNED)) - LSBase = temp; - break; /* Multiple Data Transfer Instructions. */ - case 0x80: /* Store, No WriteBack, Post Dec. */ - STOREMULT (instr, LSBase - LSMNumRegs + 4L, - 0L); - break; + case 0x80: /* Store, No WriteBack, Post Dec. */ + STOREMULT (instr, LSBase - LSMNumRegs + 4L, 0L); + break; - case 0x81: /* Load, No WriteBack, Post Dec. */ - LOADMULT (instr, LSBase - LSMNumRegs + 4L, - 0L); - break; + case 0x81: /* Load, No WriteBack, Post Dec. */ + LOADMULT (instr, LSBase - LSMNumRegs + 4L, 0L); + break; - case 0x82: /* Store, WriteBack, Post Dec. */ - temp = LSBase - LSMNumRegs; - STOREMULT (instr, temp + 4L, temp); - break; + case 0x82: /* Store, WriteBack, Post Dec. */ + temp = LSBase - LSMNumRegs; + STOREMULT (instr, temp + 4L, temp); + break; - case 0x83: /* Load, WriteBack, Post Dec. */ - temp = LSBase - LSMNumRegs; - LOADMULT (instr, temp + 4L, temp); - break; + case 0x83: /* Load, WriteBack, Post Dec. */ + temp = LSBase - LSMNumRegs; + LOADMULT (instr, temp + 4L, temp); + break; - case 0x84: /* Store, Flags, No WriteBack, Post Dec. */ - STORESMULT (instr, LSBase - LSMNumRegs + 4L, - 0L); - break; + case 0x84: /* Store, Flags, No WriteBack, Post Dec. */ + STORESMULT (instr, LSBase - LSMNumRegs + 4L, 0L); + break; - case 0x85: /* Load, Flags, No WriteBack, Post Dec. */ - LOADSMULT (instr, LSBase - LSMNumRegs + 4L, - 0L); - break; + case 0x85: /* Load, Flags, No WriteBack, Post Dec. */ + LOADSMULT (instr, LSBase - LSMNumRegs + 4L, 0L); + break; - case 0x86: /* Store, Flags, WriteBack, Post Dec. */ - temp = LSBase - LSMNumRegs; - STORESMULT (instr, temp + 4L, temp); - break; + case 0x86: /* Store, Flags, WriteBack, Post Dec. */ + temp = LSBase - LSMNumRegs; + STORESMULT (instr, temp + 4L, temp); + break; - case 0x87: /* Load, Flags, WriteBack, Post Dec. */ - temp = LSBase - LSMNumRegs; - LOADSMULT (instr, temp + 4L, temp); - break; + case 0x87: /* Load, Flags, WriteBack, Post Dec. */ + temp = LSBase - LSMNumRegs; + LOADSMULT (instr, temp + 4L, temp); + break; - case 0x88: /* Store, No WriteBack, Post Inc. */ - STOREMULT (instr, LSBase, 0L); - break; + case 0x88: /* Store, No WriteBack, Post Inc. */ + STOREMULT (instr, LSBase, 0L); + break; - case 0x89: /* Load, No WriteBack, Post Inc. */ - LOADMULT (instr, LSBase, 0L); - break; + case 0x89: /* Load, No WriteBack, Post Inc. */ + LOADMULT (instr, LSBase, 0L); + break; - case 0x8a: /* Store, WriteBack, Post Inc. */ - temp = LSBase; - STOREMULT (instr, temp, temp + LSMNumRegs); - break; + case 0x8a: /* Store, WriteBack, Post Inc. */ + temp = LSBase; + STOREMULT (instr, temp, temp + LSMNumRegs); + break; - case 0x8b: /* Load, WriteBack, Post Inc. */ - temp = LSBase; - LOADMULT (instr, temp, temp + LSMNumRegs); - break; + case 0x8b: /* Load, WriteBack, Post Inc. */ + temp = LSBase; + LOADMULT (instr, temp, temp + LSMNumRegs); + break; - case 0x8c: /* Store, Flags, No WriteBack, Post Inc. */ - STORESMULT (instr, LSBase, 0L); - break; + case 0x8c: /* Store, Flags, No WriteBack, Post Inc. */ + STORESMULT (instr, LSBase, 0L); + break; - case 0x8d: /* Load, Flags, No WriteBack, Post Inc. */ - LOADSMULT (instr, LSBase, 0L); - break; + case 0x8d: /* Load, Flags, No WriteBack, Post Inc. */ + LOADSMULT (instr, LSBase, 0L); + break; - case 0x8e: /* Store, Flags, WriteBack, Post Inc. */ - temp = LSBase; - STORESMULT (instr, temp, temp + LSMNumRegs); - break; + case 0x8e: /* Store, Flags, WriteBack, Post Inc. */ + temp = LSBase; + STORESMULT (instr, temp, temp + LSMNumRegs); + break; - case 0x8f: /* Load, Flags, WriteBack, Post Inc. */ - temp = LSBase; - LOADSMULT (instr, temp, temp + LSMNumRegs); - break; + case 0x8f: /* Load, Flags, WriteBack, Post Inc. */ + temp = LSBase; + LOADSMULT (instr, temp, temp + LSMNumRegs); + break; - case 0x90: /* Store, No WriteBack, Pre Dec. */ - STOREMULT (instr, LSBase - LSMNumRegs, 0L); - break; + case 0x90: /* Store, No WriteBack, Pre Dec. */ + STOREMULT (instr, LSBase - LSMNumRegs, 0L); + break; - case 0x91: /* Load, No WriteBack, Pre Dec. */ - LOADMULT (instr, LSBase - LSMNumRegs, 0L); - break; + case 0x91: /* Load, No WriteBack, Pre Dec. */ + LOADMULT (instr, LSBase - LSMNumRegs, 0L); + break; - case 0x92: /* Store, WriteBack, Pre Dec. */ - temp = LSBase - LSMNumRegs; - STOREMULT (instr, temp, temp); - break; + case 0x92: /* Store, WriteBack, Pre Dec. */ + temp = LSBase - LSMNumRegs; + STOREMULT (instr, temp, temp); + break; - case 0x93: /* Load, WriteBack, Pre Dec. */ - temp = LSBase - LSMNumRegs; - LOADMULT (instr, temp, temp); - break; + case 0x93: /* Load, WriteBack, Pre Dec. */ + temp = LSBase - LSMNumRegs; + LOADMULT (instr, temp, temp); + break; - case 0x94: /* Store, Flags, No WriteBack, Pre Dec. */ - STORESMULT (instr, LSBase - LSMNumRegs, 0L); - break; + case 0x94: /* Store, Flags, No WriteBack, Pre Dec. */ + STORESMULT (instr, LSBase - LSMNumRegs, 0L); + break; - case 0x95: /* Load, Flags, No WriteBack, Pre Dec. */ - LOADSMULT (instr, LSBase - LSMNumRegs, 0L); - break; + case 0x95: /* Load, Flags, No WriteBack, Pre Dec. */ + LOADSMULT (instr, LSBase - LSMNumRegs, 0L); + break; - case 0x96: /* Store, Flags, WriteBack, Pre Dec. */ - temp = LSBase - LSMNumRegs; - STORESMULT (instr, temp, temp); - break; + case 0x96: /* Store, Flags, WriteBack, Pre Dec. */ + temp = LSBase - LSMNumRegs; + STORESMULT (instr, temp, temp); + break; - case 0x97: /* Load, Flags, WriteBack, Pre Dec. */ - temp = LSBase - LSMNumRegs; - LOADSMULT (instr, temp, temp); - break; + case 0x97: /* Load, Flags, WriteBack, Pre Dec. */ + temp = LSBase - LSMNumRegs; + LOADSMULT (instr, temp, temp); + break; - case 0x98: /* Store, No WriteBack, Pre Inc. */ - STOREMULT (instr, LSBase + 4L, 0L); - break; + case 0x98: /* Store, No WriteBack, Pre Inc. */ + STOREMULT (instr, LSBase + 4L, 0L); + break; - case 0x99: /* Load, No WriteBack, Pre Inc. */ - LOADMULT (instr, LSBase + 4L, 0L); - break; + case 0x99: /* Load, No WriteBack, Pre Inc. */ + LOADMULT (instr, LSBase + 4L, 0L); + break; - case 0x9a: /* Store, WriteBack, Pre Inc. */ - temp = LSBase; - STOREMULT (instr, temp + 4L, - temp + LSMNumRegs); - break; + case 0x9a: /* Store, WriteBack, Pre Inc. */ + temp = LSBase; + STOREMULT (instr, temp + 4L, temp + LSMNumRegs); + break; - case 0x9b: /* Load, WriteBack, Pre Inc. */ - temp = LSBase; - LOADMULT (instr, temp + 4L, - temp + LSMNumRegs); - break; + case 0x9b: /* Load, WriteBack, Pre Inc. */ + temp = LSBase; + LOADMULT (instr, temp + 4L, temp + LSMNumRegs); + break; - case 0x9c: /* Store, Flags, No WriteBack, Pre Inc. */ - STORESMULT (instr, LSBase + 4L, 0L); - break; + case 0x9c: /* Store, Flags, No WriteBack, Pre Inc. */ + STORESMULT (instr, LSBase + 4L, 0L); + break; - case 0x9d: /* Load, Flags, No WriteBack, Pre Inc. */ - LOADSMULT (instr, LSBase + 4L, 0L); - break; + case 0x9d: /* Load, Flags, No WriteBack, Pre Inc. */ + LOADSMULT (instr, LSBase + 4L, 0L); + break; - case 0x9e: /* Store, Flags, WriteBack, Pre Inc. */ - temp = LSBase; - STORESMULT (instr, temp + 4L, - temp + LSMNumRegs); - break; + case 0x9e: /* Store, Flags, WriteBack, Pre Inc. */ + temp = LSBase; + STORESMULT (instr, temp + 4L, temp + LSMNumRegs); + break; - case 0x9f: /* Load, Flags, WriteBack, Pre Inc. */ - temp = LSBase; - LOADSMULT (instr, temp + 4L, - temp + LSMNumRegs); - break; + case 0x9f: /* Load, Flags, WriteBack, Pre Inc. */ + temp = LSBase; + LOADSMULT (instr, temp + 4L, temp + LSMNumRegs); + break; /* Branch forward. */ - case 0xa0: - case 0xa1: - case 0xa2: - case 0xa3: - case 0xa4: - case 0xa5: - case 0xa6: - case 0xa7: - state->Reg[15] = pc + 8 + POSBRANCH; - FLUSHPIPE; - break; + case 0xa0: + case 0xa1: + case 0xa2: + case 0xa3: + case 0xa4: + case 0xa5: + case 0xa6: + case 0xa7: + state->Reg[15] = pc + 8 + POSBRANCH; + FLUSHPIPE; + break; /* Branch backward. */ - case 0xa8: - case 0xa9: - case 0xaa: - case 0xab: - case 0xac: - case 0xad: - case 0xae: - case 0xaf: - state->Reg[15] = pc + 8 + NEGBRANCH; - FLUSHPIPE; - break; + case 0xa8: + case 0xa9: + case 0xaa: + case 0xab: + case 0xac: + case 0xad: + case 0xae: + case 0xaf: + state->Reg[15] = pc + 8 + NEGBRANCH; + FLUSHPIPE; + break; /* Branch and Link forward. */ - case 0xb0: - case 0xb1: - case 0xb2: - case 0xb3: - case 0xb4: - case 0xb5: - case 0xb6: - case 0xb7: - /* Put PC into Link. */ + case 0xb0: + case 0xb1: + case 0xb2: + case 0xb3: + case 0xb4: + case 0xb5: + case 0xb6: + case 0xb7: + + /* Put PC into Link. */ #ifdef MODE32 - state->Reg[14] = pc + 4; + state->Reg[14] = pc + 4; #else - state->Reg[14] = - (pc + 4) | ECC | ER15INT | EMODE; + state->Reg[14] = (pc + 4) | ECC | ER15INT | EMODE; #endif - state->Reg[15] = pc + 8 + POSBRANCH; - FLUSHPIPE; - break; + state->Reg[15] = pc + 8 + POSBRANCH; + FLUSHPIPE; + +#ifdef callstacker + memset(a, 0, 256); + aufloeser(a, state->Reg[15]); + printf("call %08X %08X %s(%08X %08X %08X %08X %08X %08X %08X)\n", state->Reg[14], state->Reg[15], a, state->Reg[0], state->Reg[1], state->Reg[2], state->Reg[3], mem_Read32(state->Reg[13]), mem_Read32(state->Reg[13] - 4),mem_Read32(state->Reg[13] - 8)); +#endif + + + break; /* Branch and Link backward. */ - case 0xb8: - case 0xb9: - case 0xba: - case 0xbb: - case 0xbc: - case 0xbd: - case 0xbe: - case 0xbf: - /* Put PC into Link. */ + case 0xb8: + case 0xb9: + case 0xba: + case 0xbb: + case 0xbc: + case 0xbd: + case 0xbe: + case 0xbf: + /* Put PC into Link. */ #ifdef MODE32 - state->Reg[14] = pc + 4; + state->Reg[14] = pc + 4; #else - state->Reg[14] = - (pc + 4) | ECC | ER15INT | EMODE; + state->Reg[14] = (pc + 4) | ECC | ER15INT | EMODE; #endif - state->Reg[15] = pc + 8 + NEGBRANCH; - FLUSHPIPE; - break; + state->Reg[15] = pc + 8 + NEGBRANCH; + FLUSHPIPE; + + +#ifdef callstacker + memset(a, 0, 256); + aufloeser(a, state->Reg[15]); + printf("call %08X %08X %s(%08X %08X %08X %08X %08X %08X %08X)\n", state->Reg[14], state->Reg[15], a, state->Reg[0], state->Reg[1], state->Reg[2], state->Reg[3], mem_Read32(state->Reg[13]), mem_Read32(state->Reg[13] - 4),mem_Read32(state->Reg[13] - 8)); +#endif + + + + break; /* Co-Processor Data Transfers. */ - case 0xc4: - if (state->is_v5) { - /* Reading from R15 is UNPREDICTABLE. */ - if (BITS (12, 15) == 15 - || BITS (16, 19) == 15) - ARMul_UndefInstr (state, - instr); - /* Is access to coprocessor 0 allowed ? */ - else if (!CP_ACCESS_ALLOWED - (state, CPNum)) - ARMul_UndefInstr (state, - instr); - /* Special treatment for XScale coprocessors. */ - else if (state->is_XScale) { - /* Only opcode 0 is supported. */ - if (BITS (4, 7) != 0x00) - ARMul_UndefInstr - (state, - instr); - /* Only coporcessor 0 is supported. */ - else if (CPNum != 0x00) - ARMul_UndefInstr - (state, - instr); - /* Only accumulator 0 is supported. */ - else if (BITS (0, 3) != 0x00) - ARMul_UndefInstr - (state, - instr); + case 0xc4: + if (state->is_v5) { + /* Reading from R15 is UNPREDICTABLE. */ + if (BITS (12, 15) == 15 || BITS (16, 19) == 15) + ARMul_UndefInstr (state, instr); + /* Is access to coprocessor 0 allowed ? */ + else if (!CP_ACCESS_ALLOWED(state, CPNum)) + ARMul_UndefInstr (state, instr); else { - /* XScale MAR insn. Move two registers into accumulator. */ - state->Accumulator = - state-> - Reg[BITS - (12, 15)]; - state->Accumulator += - (ARMdword) - state-> - Reg[BITS - (16, - 19)] << - 32; + /* MCRR, ARMv5TE and up */ + ARMul_MCRR (state, instr, DEST, state->Reg[LHSReg]); + break; } } - else - { - /* MCRR, ARMv5TE and up */ - ARMul_MCRR (state, instr, DEST, state->Reg[LHSReg]); - break; - } - } /* Drop through. */ - case 0xc0: /* Store , No WriteBack , Post Dec. */ - ARMul_STC (state, instr, LHS); - break; + case 0xc0: /* Store , No WriteBack , Post Dec. */ + ARMul_STC (state, instr, LHS); + break; - case 0xc5: - if (state->is_v5) { - /* Writes to R15 are UNPREDICATABLE. */ - if (DESTReg == 15 || LHSReg == 15) - ARMul_UndefInstr (state, - instr); - /* Is access to the coprocessor allowed ? */ - else if (!CP_ACCESS_ALLOWED - (state, CPNum)) - ARMul_UndefInstr (state, - instr); - /* Special handling for XScale coprcoessors. */ - else if (state->is_XScale) { - /* Only opcode 0 is supported. */ - if (BITS (4, 7) != 0x00) - ARMul_UndefInstr - (state, - instr); - /* Only coprocessor 0 is supported. */ - else if (CPNum != 0x00) - ARMul_UndefInstr - (state, - instr); - /* Only accumulator 0 is supported. */ - else if (BITS (0, 3) != 0x00) - ARMul_UndefInstr - (state, - instr); + case 0xc5: + if (state->is_v5) { + /* Writes to R15 are UNPREDICATABLE. */ + if (DESTReg == 15 || LHSReg == 15) + ARMul_UndefInstr (state, instr); + /* Is access to the coprocessor allowed ? */ + else if (!CP_ACCESS_ALLOWED(state, CPNum)) + ARMul_UndefInstr (state, instr); else { - /* XScale MRA insn. Move accumulator into two registers. */ - ARMword t1 = - (state-> - Accumulator - >> 32) & 255; - - if (t1 & 128) - t1 -= 256; - - state->Reg[BITS - (12, 15)] = - state-> - Accumulator; - state->Reg[BITS - (16, 19)] = - t1; + /* MRRC, ARMv5TE and up */ + ARMul_MRRC (state, instr, &DEST, &(state->Reg[LHSReg])); break; } } - else - { - /* MRRC, ARMv5TE and up */ - ARMul_MRRC (state, instr, &DEST, &(state->Reg[LHSReg])); - break; - } - } /* Drop through. */ - case 0xc1: /* Load , No WriteBack , Post Dec. */ - ARMul_LDC (state, instr, LHS); - break; + case 0xc1: /* Load , No WriteBack , Post Dec. */ + ARMul_LDC (state, instr, LHS); + break; - case 0xc2: - case 0xc6: /* Store , WriteBack , Post Dec. */ - lhs = LHS; - state->Base = lhs - LSCOff; - ARMul_STC (state, instr, lhs); - break; + case 0xc2: + case 0xc6: /* Store , WriteBack , Post Dec. */ + lhs = LHS; + state->Base = lhs - LSCOff; + ARMul_STC (state, instr, lhs); + break; - case 0xc3: - case 0xc7: /* Load , WriteBack , Post Dec. */ - lhs = LHS; - state->Base = lhs - LSCOff; - ARMul_LDC (state, instr, lhs); - break; + case 0xc3: + case 0xc7: /* Load , WriteBack , Post Dec. */ + lhs = LHS; + state->Base = lhs - LSCOff; + ARMul_LDC (state, instr, lhs); + break; - case 0xc8: - case 0xcc: /* Store , No WriteBack , Post Inc. */ - ARMul_STC (state, instr, LHS); - break; + case 0xc8: + case 0xcc: /* Store , No WriteBack , Post Inc. */ + ARMul_STC (state, instr, LHS); + break; - case 0xc9: - case 0xcd: /* Load , No WriteBack , Post Inc. */ - ARMul_LDC (state, instr, LHS); - break; + case 0xc9: + case 0xcd: /* Load , No WriteBack , Post Inc. */ + ARMul_LDC (state, instr, LHS); + break; - case 0xca: - case 0xce: /* Store , WriteBack , Post Inc. */ - lhs = LHS; - state->Base = lhs + LSCOff; - ARMul_STC (state, instr, LHS); - break; + case 0xca: + case 0xce: /* Store , WriteBack , Post Inc. */ + lhs = LHS; + state->Base = lhs + LSCOff; + ARMul_STC (state, instr, LHS); + break; - case 0xcb: - case 0xcf: /* Load , WriteBack , Post Inc. */ - lhs = LHS; - state->Base = lhs + LSCOff; - ARMul_LDC (state, instr, LHS); - break; + case 0xcb: + case 0xcf: /* Load , WriteBack , Post Inc. */ + lhs = LHS; + state->Base = lhs + LSCOff; + ARMul_LDC (state, instr, LHS); + break; - case 0xd0: - case 0xd4: /* Store , No WriteBack , Pre Dec. */ - ARMul_STC (state, instr, LHS - LSCOff); - break; + case 0xd0: + case 0xd4: /* Store , No WriteBack , Pre Dec. */ + ARMul_STC (state, instr, LHS - LSCOff); + break; - case 0xd1: - case 0xd5: /* Load , No WriteBack , Pre Dec. */ - ARMul_LDC (state, instr, LHS - LSCOff); - break; + case 0xd1: + case 0xd5: /* Load , No WriteBack , Pre Dec. */ + ARMul_LDC (state, instr, LHS - LSCOff); + break; - case 0xd2: - case 0xd6: /* Store , WriteBack , Pre Dec. */ - lhs = LHS - LSCOff; - state->Base = lhs; - ARMul_STC (state, instr, lhs); - break; + case 0xd2: + case 0xd6: /* Store , WriteBack , Pre Dec. */ + lhs = LHS - LSCOff; + state->Base = lhs; + ARMul_STC (state, instr, lhs); + break; - case 0xd3: - case 0xd7: /* Load , WriteBack , Pre Dec. */ - lhs = LHS - LSCOff; - state->Base = lhs; - ARMul_LDC (state, instr, lhs); - break; + case 0xd3: + case 0xd7: /* Load , WriteBack , Pre Dec. */ + lhs = LHS - LSCOff; + state->Base = lhs; + ARMul_LDC (state, instr, lhs); + break; - case 0xd8: - case 0xdc: /* Store , No WriteBack , Pre Inc. */ - ARMul_STC (state, instr, LHS + LSCOff); - break; + case 0xd8: + case 0xdc: /* Store , No WriteBack , Pre Inc. */ + ARMul_STC (state, instr, LHS + LSCOff); + break; - case 0xd9: - case 0xdd: /* Load , No WriteBack , Pre Inc. */ - ARMul_LDC (state, instr, LHS + LSCOff); - break; + case 0xd9: + case 0xdd: /* Load , No WriteBack , Pre Inc. */ + ARMul_LDC (state, instr, LHS + LSCOff); + break; - case 0xda: - case 0xde: /* Store , WriteBack , Pre Inc. */ - lhs = LHS + LSCOff; - state->Base = lhs; - ARMul_STC (state, instr, lhs); - break; + case 0xda: + case 0xde: /* Store , WriteBack , Pre Inc. */ + lhs = LHS + LSCOff; + state->Base = lhs; + ARMul_STC (state, instr, lhs); + break; - case 0xdb: - case 0xdf: /* Load , WriteBack , Pre Inc. */ - lhs = LHS + LSCOff; - state->Base = lhs; - ARMul_LDC (state, instr, lhs); - break; + case 0xdb: + case 0xdf: /* Load , WriteBack , Pre Inc. */ + lhs = LHS + LSCOff; + state->Base = lhs; + ARMul_LDC (state, instr, lhs); + break; /* Co-Processor Register Transfers (MCR) and Data Ops. */ - case 0xe2: - if (!CP_ACCESS_ALLOWED (state, CPNum)) { + case 0xe2: + /*if (!CP_ACCESS_ALLOWED (state, CPNum)) { ARMul_UndefInstr (state, instr); break; - } - if (state->is_XScale) - switch (BITS (18, 19)) { - case 0x0: - if (BITS (4, 11) == 1 - && BITS (16, 17) == 0) { - /* XScale MIA instruction. Signed multiplication of - two 32 bit values and addition to 40 bit accumulator. */ - long long Rm = - state-> - Reg - [MULLHSReg]; - long long Rs = - state-> - Reg - [MULACCReg]; - - if (Rm & (1 << 31)) - Rm -= 1ULL << - 32; - if (Rs & (1 << 31)) - Rs -= 1ULL << - 32; - state->Accumulator += - Rm * Rs; - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; - } - break; - - case 0x2: - if (BITS (4, 11) == 1 - && BITS (16, 17) == 0) { - /* XScale MIAPH instruction. */ - ARMword t1 = - state-> - Reg[MULLHSReg] - >> 16; - ARMword t2 = - state-> - Reg[MULACCReg] - >> 16; - ARMword t3 = - state-> - Reg[MULLHSReg] - & 0xffff; - ARMword t4 = - state-> - Reg[MULACCReg] - & 0xffff; - long long t5; - - if (t1 & (1 << 15)) - t1 -= 1 << 16; - if (t2 & (1 << 15)) - t2 -= 1 << 16; - if (t3 & (1 << 15)) - t3 -= 1 << 16; - if (t4 & (1 << 15)) - t4 -= 1 << 16; - t1 *= t2; - t5 = t1; - if (t5 & (1 << 31)) - t5 -= 1ULL << - 32; - state->Accumulator += - t5; - t3 *= t4; - t5 = t3; - if (t5 & (1 << 31)) - t5 -= 1ULL << - 32; - state->Accumulator += - t5; - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; - } - break; - - case 0x3: - if (BITS (4, 11) == 1) { - /* XScale MIAxy instruction. */ - ARMword t1; - ARMword t2; - long long t5; - - if (BIT (17)) - t1 = state-> - Reg - [MULLHSReg] - >> 16; - else - t1 = state-> - Reg - [MULLHSReg] - & - 0xffff; - - if (BIT (16)) - t2 = state-> - Reg - [MULACCReg] - >> 16; - else - t2 = state-> - Reg - [MULACCReg] - & - 0xffff; - - if (t1 & (1 << 15)) - t1 -= 1 << 16; - if (t2 & (1 << 15)) - t2 -= 1 << 16; - t1 *= t2; - t5 = t1; - if (t5 & (1 << 31)) - t5 -= 1ULL << - 32; - state->Accumulator += - t5; - _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext; - } - break; - - default: - break; - } - /* Drop through. */ - - case 0xe0: - case 0xe4: - case 0xe6: - case 0xe8: - case 0xea: - case 0xec: - case 0xee: - if (BIT (4)) { - /* MCR. */ - if (DESTReg == 15) { - UNDEF_MCRPC; + }*/ + + case 0xe0: + case 0xe4: + case 0xe6: + case 0xe8: + case 0xea: + case 0xec: + case 0xee: + if (BIT (4)) { + /* MCR. */ + if (DESTReg == 15) { + UNDEF_MCRPC; #ifdef MODE32 - ARMul_MCR (state, instr, - state->Reg[15] + - isize); + ARMul_MCR (state, instr, state->Reg[15] + isize); #else - ARMul_MCR (state, instr, - ECC | ER15INT | - EMODE | - ((state->Reg[15] + - isize) & - R15PCBITS)); -#endif - } else if (instr != 0xDEADC0DE) // thumbemu uses 0xDEADCODE for debugging to catch non updates - ARMul_MCR (state, instr, - DEST); - } - else - /* CDP Part 1. */ - ARMul_CDP (state, instr); - break; + ARMul_MCR (state, instr, ECC | ER15INT | EMODE | ((state->Reg[15] + isize) & R15PCBITS)); +#endif + } else + ARMul_MCR (state, instr, DEST); + } else + /* CDP Part 1. */ + ARMul_CDP (state, instr); + break; /* Co-Processor Register Transfers (MRC) and Data Ops. */ - case 0xe1: - case 0xe3: - case 0xe5: - case 0xe7: - case 0xe9: - case 0xeb: - case 0xed: - case 0xef: - if (BIT (4)) { - /* MRC */ - temp = ARMul_MRC (state, instr); - if (DESTReg == 15) { - ASSIGNN ((temp & NBIT) != 0); - ASSIGNZ ((temp & ZBIT) != 0); - ASSIGNC ((temp & CBIT) != 0); - ASSIGNV ((temp & VBIT) != 0); - } - else - DEST = temp; - } - else - /* CDP Part 2. */ - ARMul_CDP (state, instr); - break; + case 0xe1: + case 0xe3: + case 0xe5: + case 0xe7: + case 0xe9: + case 0xeb: + case 0xed: + case 0xef: + if (BIT (4)) { + /* MRC */ + temp = ARMul_MRC (state, instr); + if (DESTReg == 15) { + ASSIGNN ((temp & NBIT) != 0); + ASSIGNZ ((temp & ZBIT) != 0); + ASSIGNC ((temp & CBIT) != 0); + ASSIGNV ((temp & VBIT) != 0); + } else + DEST = temp; + } else + /* CDP Part 2. */ + ARMul_CDP (state, instr); + break; /* SWI instruction. */ - case 0xf0: - case 0xf1: - case 0xf2: - case 0xf3: - case 0xf4: - case 0xf5: - case 0xf6: - case 0xf7: - case 0xf8: - case 0xf9: - case 0xfa: - case 0xfb: - case 0xfc: - case 0xfd: - case 0xfe: - case 0xff: - HLE::CallSVC(instr); - break; + case 0xf0: + case 0xf1: + case 0xf2: + case 0xf3: + case 0xf4: + case 0xf5: + case 0xf6: + case 0xf7: + case 0xf8: + case 0xf9: + case 0xfa: + case 0xfb: + case 0xfc: + case 0xfd: + case 0xfe: + case 0xff: + //svc_Execute(state, BITS(0, 23)); + HLE::CallSVC(instr); + + break; + } } - } - + #ifdef MODET - donext: +donext: #endif - state->pc = pc; + state->pc = pc; #if 0 /* shenoubang */ instr_sum++; int i, j; i = j = 0; if (instr_sum >= 7388648) { - //if (pc == 0xc0008ab4) { - // printf("instr_sum: %d\n", instr_sum); + //if (pc == 0xc0008ab4) { + // printf("instr_sum: %d\n", instr_sum); // start_kernel : 0xc000895c printf("--------------------------------------------------\n"); for (i = 0; i < 16; i++) { @@ -4571,295 +3918,289 @@ ARMul_Emulate26 (ARMul_State * state) #endif #if 0 - fprintf(state->state_log, "PC:0x%x\n", pc); - for (reg_index = 0; reg_index < 16; reg_index ++) { - if (state->Reg[reg_index] != mirror_register_file[reg_index]) { - fprintf(state->state_log, "R%d:0x%x\n", reg_index, state->Reg[reg_index]); - mirror_register_file[reg_index] = state->Reg[reg_index]; - } - } - if (state->Cpsr != mirror_register_file[CPSR_REG]) { - fprintf(state->state_log, "Cpsr:0x%x\n", state->Cpsr); - mirror_register_file[CPSR_REG] = state->Cpsr; - } - if (state->RegBank[SVCBANK][13] != mirror_register_file[R13_SVC]) { - fprintf(state->state_log, "R13_SVC:0x%x\n", state->RegBank[SVCBANK][13]); - mirror_register_file[R13_SVC] = state->RegBank[SVCBANK][13]; - } - if (state->RegBank[SVCBANK][14] != mirror_register_file[R14_SVC]) { - fprintf(state->state_log, "R14_SVC:0x%x\n", state->RegBank[SVCBANK][14]); - mirror_register_file[R14_SVC] = state->RegBank[SVCBANK][14]; - } - if (state->RegBank[ABORTBANK][13] != mirror_register_file[R13_ABORT]) { - fprintf(state->state_log, "R13_ABORT:0x%x\n", state->RegBank[ABORTBANK][13]); - mirror_register_file[R13_ABORT] = state->RegBank[ABORTBANK][13]; - } - if (state->RegBank[ABORTBANK][14] != mirror_register_file[R14_ABORT]) { - fprintf(state->state_log, "R14_ABORT:0x%x\n", state->RegBank[ABORTBANK][14]); - mirror_register_file[R14_ABORT] = state->RegBank[ABORTBANK][14]; - } - if (state->RegBank[UNDEFBANK][13] != mirror_register_file[R13_UNDEF]) { - fprintf(state->state_log, "R13_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][13]); - mirror_register_file[R13_UNDEF] = state->RegBank[UNDEFBANK][13]; - } - if (state->RegBank[UNDEFBANK][14] != mirror_register_file[R14_UNDEF]) { - fprintf(state->state_log, "R14_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][14]); - mirror_register_file[R14_UNDEF] = state->RegBank[UNDEFBANK][14]; - } - if (state->RegBank[IRQBANK][13] != mirror_register_file[R13_IRQ]) { - fprintf(state->state_log, "R13_IRQ:0x%x\n", state->RegBank[IRQBANK][13]); - mirror_register_file[R13_IRQ] = state->RegBank[IRQBANK][13]; - } - if (state->RegBank[IRQBANK][14] != mirror_register_file[R14_IRQ]) { - fprintf(state->state_log, "R14_IRQ:0x%x\n", state->RegBank[IRQBANK][14]); - mirror_register_file[R14_IRQ] = state->RegBank[IRQBANK][14]; - } - if (state->RegBank[FIQBANK][8] != mirror_register_file[R8_FIRQ]) { - fprintf(state->state_log, "R8_FIRQ:0x%x\n", state->RegBank[FIQBANK][8]); - mirror_register_file[R8_FIRQ] = state->RegBank[FIQBANK][8]; - } - if (state->RegBank[FIQBANK][9] != mirror_register_file[R9_FIRQ]) { - fprintf(state->state_log, "R9_FIRQ:0x%x\n", state->RegBank[FIQBANK][9]); - mirror_register_file[R9_FIRQ] = state->RegBank[FIQBANK][9]; - } - if (state->RegBank[FIQBANK][10] != mirror_register_file[R10_FIRQ]) { - fprintf(state->state_log, "R10_FIRQ:0x%x\n", state->RegBank[FIQBANK][10]); - mirror_register_file[R10_FIRQ] = state->RegBank[FIQBANK][10]; - } - if (state->RegBank[FIQBANK][11] != mirror_register_file[R11_FIRQ]) { - fprintf(state->state_log, "R11_FIRQ:0x%x\n", state->RegBank[FIQBANK][11]); - mirror_register_file[R11_FIRQ] = state->RegBank[FIQBANK][11]; - } - if (state->RegBank[FIQBANK][12] != mirror_register_file[R12_FIRQ]) { - fprintf(state->state_log, "R12_FIRQ:0x%x\n", state->RegBank[FIQBANK][12]); - mirror_register_file[R12_FIRQ] = state->RegBank[FIQBANK][12]; - } - if (state->RegBank[FIQBANK][13] != mirror_register_file[R13_FIRQ]) { - fprintf(state->state_log, "R13_FIRQ:0x%x\n", state->RegBank[FIQBANK][13]); - mirror_register_file[R13_FIRQ] = state->RegBank[FIQBANK][13]; - } - if (state->RegBank[FIQBANK][14] != mirror_register_file[R14_FIRQ]) { - fprintf(state->state_log, "R14_FIRQ:0x%x\n", state->RegBank[FIQBANK][14]); - mirror_register_file[R14_FIRQ] = state->RegBank[FIQBANK][14]; - } - if (state->Spsr[SVCBANK] != mirror_register_file[SPSR_SVC]) { - fprintf(state->state_log, "SPSR_SVC:0x%x\n", state->Spsr[SVCBANK]); - mirror_register_file[SPSR_SVC] = state->RegBank[SVCBANK]; - } - if (state->Spsr[ABORTBANK] != mirror_register_file[SPSR_ABORT]) { - fprintf(state->state_log, "SPSR_ABORT:0x%x\n", state->Spsr[ABORTBANK]); - mirror_register_file[SPSR_ABORT] = state->RegBank[ABORTBANK]; - } - if (state->Spsr[UNDEFBANK] != mirror_register_file[SPSR_UNDEF]) { - fprintf(state->state_log, "SPSR_UNDEF:0x%x\n", state->Spsr[UNDEFBANK]); - mirror_register_file[SPSR_UNDEF] = state->RegBank[UNDEFBANK]; - } - if (state->Spsr[IRQBANK] != mirror_register_file[SPSR_IRQ]) { - fprintf(state->state_log, "SPSR_IRQ:0x%x\n", state->Spsr[IRQBANK]); - mirror_register_file[SPSR_IRQ] = state->RegBank[IRQBANK]; - } - if (state->Spsr[FIQBANK] != mirror_register_file[SPSR_FIRQ]) { - fprintf(state->state_log, "SPSR_FIRQ:0x%x\n", state->Spsr[FIQBANK]); - mirror_register_file[SPSR_FIRQ] = state->RegBank[FIQBANK]; - } + fprintf(state->state_log, "PC:0x%x\n", pc); + for (reg_index = 0; reg_index < 16; reg_index ++) { + if (state->Reg[reg_index] != mirror_register_file[reg_index]) { + fprintf(state->state_log, "R%d:0x%x\n", reg_index, state->Reg[reg_index]); + mirror_register_file[reg_index] = state->Reg[reg_index]; + } + } + if (state->Cpsr != mirror_register_file[CPSR_REG]) { + fprintf(state->state_log, "Cpsr:0x%x\n", state->Cpsr); + mirror_register_file[CPSR_REG] = state->Cpsr; + } + if (state->RegBank[SVCBANK][13] != mirror_register_file[R13_SVC]) { + fprintf(state->state_log, "R13_SVC:0x%x\n", state->RegBank[SVCBANK][13]); + mirror_register_file[R13_SVC] = state->RegBank[SVCBANK][13]; + } + if (state->RegBank[SVCBANK][14] != mirror_register_file[R14_SVC]) { + fprintf(state->state_log, "R14_SVC:0x%x\n", state->RegBank[SVCBANK][14]); + mirror_register_file[R14_SVC] = state->RegBank[SVCBANK][14]; + } + if (state->RegBank[ABORTBANK][13] != mirror_register_file[R13_ABORT]) { + fprintf(state->state_log, "R13_ABORT:0x%x\n", state->RegBank[ABORTBANK][13]); + mirror_register_file[R13_ABORT] = state->RegBank[ABORTBANK][13]; + } + if (state->RegBank[ABORTBANK][14] != mirror_register_file[R14_ABORT]) { + fprintf(state->state_log, "R14_ABORT:0x%x\n", state->RegBank[ABORTBANK][14]); + mirror_register_file[R14_ABORT] = state->RegBank[ABORTBANK][14]; + } + if (state->RegBank[UNDEFBANK][13] != mirror_register_file[R13_UNDEF]) { + fprintf(state->state_log, "R13_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][13]); + mirror_register_file[R13_UNDEF] = state->RegBank[UNDEFBANK][13]; + } + if (state->RegBank[UNDEFBANK][14] != mirror_register_file[R14_UNDEF]) { + fprintf(state->state_log, "R14_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][14]); + mirror_register_file[R14_UNDEF] = state->RegBank[UNDEFBANK][14]; + } + if (state->RegBank[IRQBANK][13] != mirror_register_file[R13_IRQ]) { + fprintf(state->state_log, "R13_IRQ:0x%x\n", state->RegBank[IRQBANK][13]); + mirror_register_file[R13_IRQ] = state->RegBank[IRQBANK][13]; + } + if (state->RegBank[IRQBANK][14] != mirror_register_file[R14_IRQ]) { + fprintf(state->state_log, "R14_IRQ:0x%x\n", state->RegBank[IRQBANK][14]); + mirror_register_file[R14_IRQ] = state->RegBank[IRQBANK][14]; + } + if (state->RegBank[FIQBANK][8] != mirror_register_file[R8_FIRQ]) { + fprintf(state->state_log, "R8_FIRQ:0x%x\n", state->RegBank[FIQBANK][8]); + mirror_register_file[R8_FIRQ] = state->RegBank[FIQBANK][8]; + } + if (state->RegBank[FIQBANK][9] != mirror_register_file[R9_FIRQ]) { + fprintf(state->state_log, "R9_FIRQ:0x%x\n", state->RegBank[FIQBANK][9]); + mirror_register_file[R9_FIRQ] = state->RegBank[FIQBANK][9]; + } + if (state->RegBank[FIQBANK][10] != mirror_register_file[R10_FIRQ]) { + fprintf(state->state_log, "R10_FIRQ:0x%x\n", state->RegBank[FIQBANK][10]); + mirror_register_file[R10_FIRQ] = state->RegBank[FIQBANK][10]; + } + if (state->RegBank[FIQBANK][11] != mirror_register_file[R11_FIRQ]) { + fprintf(state->state_log, "R11_FIRQ:0x%x\n", state->RegBank[FIQBANK][11]); + mirror_register_file[R11_FIRQ] = state->RegBank[FIQBANK][11]; + } + if (state->RegBank[FIQBANK][12] != mirror_register_file[R12_FIRQ]) { + fprintf(state->state_log, "R12_FIRQ:0x%x\n", state->RegBank[FIQBANK][12]); + mirror_register_file[R12_FIRQ] = state->RegBank[FIQBANK][12]; + } + if (state->RegBank[FIQBANK][13] != mirror_register_file[R13_FIRQ]) { + fprintf(state->state_log, "R13_FIRQ:0x%x\n", state->RegBank[FIQBANK][13]); + mirror_register_file[R13_FIRQ] = state->RegBank[FIQBANK][13]; + } + if (state->RegBank[FIQBANK][14] != mirror_register_file[R14_FIRQ]) { + fprintf(state->state_log, "R14_FIRQ:0x%x\n", state->RegBank[FIQBANK][14]); + mirror_register_file[R14_FIRQ] = state->RegBank[FIQBANK][14]; + } + if (state->Spsr[SVCBANK] != mirror_register_file[SPSR_SVC]) { + fprintf(state->state_log, "SPSR_SVC:0x%x\n", state->Spsr[SVCBANK]); + mirror_register_file[SPSR_SVC] = state->RegBank[SVCBANK]; + } + if (state->Spsr[ABORTBANK] != mirror_register_file[SPSR_ABORT]) { + fprintf(state->state_log, "SPSR_ABORT:0x%x\n", state->Spsr[ABORTBANK]); + mirror_register_file[SPSR_ABORT] = state->RegBank[ABORTBANK]; + } + if (state->Spsr[UNDEFBANK] != mirror_register_file[SPSR_UNDEF]) { + fprintf(state->state_log, "SPSR_UNDEF:0x%x\n", state->Spsr[UNDEFBANK]); + mirror_register_file[SPSR_UNDEF] = state->RegBank[UNDEFBANK]; + } + if (state->Spsr[IRQBANK] != mirror_register_file[SPSR_IRQ]) { + fprintf(state->state_log, "SPSR_IRQ:0x%x\n", state->Spsr[IRQBANK]); + mirror_register_file[SPSR_IRQ] = state->RegBank[IRQBANK]; + } + if (state->Spsr[FIQBANK] != mirror_register_file[SPSR_FIRQ]) { + fprintf(state->state_log, "SPSR_FIRQ:0x%x\n", state->Spsr[FIQBANK]); + mirror_register_file[SPSR_FIRQ] = state->RegBank[FIQBANK]; + } #endif #ifdef NEED_UI_LOOP_HOOK - if (ui_loop_hook != NULL && ui_loop_hook_counter-- < 0) { - ui_loop_hook_counter = UI_LOOP_POLL_INTERVAL; - ui_loop_hook (0); - } + if (ui_loop_hook != NULL && ui_loop_hook_counter-- < 0) { + ui_loop_hook_counter = UI_LOOP_POLL_INTERVAL; + ui_loop_hook (0); + } #endif /* NEED_UI_LOOP_HOOK */ - /*added energy_prof statement by ksh in 2004-11-26 */ - //chy 2005-07-28 for standalone - //ARMul_do_energy(state,instr,pc); + /*added energy_prof statement by ksh in 2004-11-26 */ + //chy 2005-07-28 for standalone + //ARMul_do_energy(state,instr,pc); //teawater add for record reg value to ./reg.txt 2005.07.10--------------------- - if (state->tea_break_ok && pc == state->tea_break_addr) { - ARMul_Debug (state, 0, 0); - state->tea_break_ok = 0; - } - else { - state->tea_break_ok = 1; - } + if (state->tea_break_ok && pc == state->tea_break_addr) { + //ARMul_Debug (state, 0, 0); + state->tea_break_ok = 0; + } else { + state->tea_break_ok = 1; + } //AJ2D-------------------------------------------------------------------------- //chy 2006-04-14 for ctrl-c debug #if 0 - if (debugmode) { - if (instr != ARMul_ABORTWORD) { - remote_interrupt_test_time++; - //chy 2006-04-14 2000 should be changed in skyeye_conf ???!!! - if (remote_interrupt_test_time >= 2000) { - remote_interrupt_test_time=0; - if (remote_interrupt()) { - //for test - //printf("SKYEYE: ICE_debug recv Ctrl_C\n"); - state->EndCondition = 0; - state->Emulate = STOP; - } - } - } - } + if (debugmode) { + if (instr != ARMul_ABORTWORD) { + remote_interrupt_test_time++; + //chy 2006-04-14 2000 should be changed in skyeye_conf ???!!! + if (remote_interrupt_test_time >= 2000) { + remote_interrupt_test_time=0; + if (remote_interrupt()) { + //for test + //printf("SKYEYE: ICE_debug recv Ctrl_C\n"); + state->EndCondition = 0; + state->Emulate = STOP; + } + } + } + } #endif - - /* jump out every time */ - //state->EndCondition = 0; - //state->Emulate = STOP; + + /* jump out every time */ + //state->EndCondition = 0; + //state->Emulate = STOP; //chy 2006-04-12 for ICE debug TEST_EMULATE: - if (state->Emulate == ONCE) - state->Emulate = STOP; - //chy: 2003-08-23: should not use CHANGEMODE !!!! - /* If we have changed mode, allow the PC to advance before stopping. */ - // else if (state->Emulate == CHANGEMODE) - // continue; - else if (state->Emulate != RUN) - break; + if (state->Emulate == ONCE) + state->Emulate = STOP; + //chy: 2003-08-23: should not use CHANGEMODE !!!! + /* If we have changed mode, allow the PC to advance before stopping. */ + // else if (state->Emulate == CHANGEMODE) + // continue; + else if (state->Emulate != RUN) + break; + } + while (state->NumInstrsToExecute--); + + state->decoded = decoded; + state->loaded = loaded; + state->pc = pc; + //chy 2006-04-12, for ICE debug + state->decoded_addr=decoded_addr; + state->loaded_addr=loaded_addr; + + return pc; } - while (state->NumInstrsToExecute--); - - state->decoded = decoded; - state->loaded = loaded; - state->pc = pc; - //chy 2006-04-12, for ICE debug - state->decoded_addr=decoded_addr; - state->loaded_addr=loaded_addr; - - return pc; -} //teawater add for arm2x86 2005.02.17------------------------------------------- -/*ywc 2005-04-01*/ + /*ywc 2005-04-01*/ //#include "tb.h" //#include "arm2x86_self.h" -static volatile void (*gen_func) (void); + static volatile void (*gen_func) (void); //static volatile ARMul_State *tmp_st; //static volatile ARMul_State *save_st; -static volatile uint32_t tmp_st; -static volatile uint32_t save_st; -static volatile uint32_t save_T0; -static volatile uint32_t save_T1; -static volatile uint32_t save_T2; + static volatile uint32_t tmp_st; + static volatile uint32_t save_st; + static volatile uint32_t save_T0; + static volatile uint32_t save_T1; + static volatile uint32_t save_T2; #ifdef MODE32 #ifdef DBCT //teawater change for debug function 2005.07.09--------------------------------- -ARMword -ARMul_Emulate32_dbct (ARMul_State * state) -{ - static int init = 0; - static FILE *fd; - - /*if (!init) { + ARMword + ARMul_Emulate32_dbct (ARMul_State * state) { + static int init = 0; + static FILE *fd; - fd = fopen("./pc.txt", "w"); - if (!fd) { - exit(-1); - } - init = 1; - } */ + /*if (!init) { - state->Reg[15] += INSN_SIZE; - do { - /*if (skyeye_config.log.logon>=1) { - if (state->NumInstrs>=skyeye_config.log.start && state->NumInstrs<=skyeye_config.log.end) { - static int mybegin=0; - static int myinstrnum=0; - - if (mybegin==0) mybegin=1; - if (mybegin==1) { - state->Reg[15] -= INSN_SIZE; - if (skyeye_config.log.logon>=1) fprintf(skyeye_logfd,"N %llx :p %x,i %x,",state->NumInstrs, (state->Reg[15] - INSN_SIZE), instr); - if (skyeye_config.log.logon>=2) SKYEYE_OUTREGS(skyeye_logfd); - if (skyeye_config.log.logon>=3) SKYEYE_OUTMOREREGS(skyeye_logfd); - fprintf(skyeye_logfd,"\n"); - if (skyeye_config.log.length>0) { - myinstrnum++; - if (myinstrnum>=skyeye_config.log.length) { - myinstrnum=0; - fflush(skyeye_logfd); - fseek(skyeye_logfd,0L,SEEK_SET); - } - } - state->Reg[15] += INSN_SIZE; - } + fd = fopen("./pc.txt", "w"); + if (!fd) { + exit(-1); } + init = 1; } */ - state->trap = 0; - gen_func = - (void *) tb_find (state, state->Reg[15] - INSN_SIZE); - if (!gen_func) { - //fprintf(stderr, "SKYEYE: tb_find: Error in find the translate block.\n"); - //exit(-1); - //TRAP_INSN_ABORT - //TEA_OUT(printf("\n------------\npc:%x\n", state->Reg[15] - INSN_SIZE)); - //TEA_OUT(printf("TRAP_INSN_ABORT\n")); -//teawater add for xscale(arm v5) 2005.09.01------------------------------------ - /*XScale_set_fsr_far(state, ARMul_CP15_R5_MMU_EXCPT, state->Reg[15] - INSN_SIZE); - state->Reg[15] += INSN_SIZE; - ARMul_Abort(state, ARMul_PrefetchAbortV); + + state->Reg[15] += INSN_SIZE; + do { + /*if (skyeye_config.log.logon>=1) { + if (state->NumInstrs>=skyeye_config.log.start && state->NumInstrs<=skyeye_config.log.end) { + static int mybegin=0; + static int myinstrnum=0; + + if (mybegin==0) mybegin=1; + if (mybegin==1) { + state->Reg[15] -= INSN_SIZE; + if (skyeye_config.log.logon>=1) fprintf(skyeye_logfd,"N %llx :p %x,i %x,",state->NumInstrs, (state->Reg[15] - INSN_SIZE), instr); + if (skyeye_config.log.logon>=2) SKYEYE_OUTREGS(skyeye_logfd); + if (skyeye_config.log.logon>=3) SKYEYE_OUTMOREREGS(skyeye_logfd); + fprintf(skyeye_logfd,"\n"); + if (skyeye_config.log.length>0) { + myinstrnum++; + if (myinstrnum>=skyeye_config.log.length) { + myinstrnum=0; + fflush(skyeye_logfd); + fseek(skyeye_logfd,0L,SEEK_SET); + } + } state->Reg[15] += INSN_SIZE; - goto next; */ - state->trap = TRAP_INSN_ABORT; - goto check; + } + } + } */ + state->trap = 0; + gen_func = + (void *) tb_find (state, state->Reg[15] - INSN_SIZE); + if (!gen_func) { + //fprintf(stderr, "SKYEYE: tb_find: Error in find the translate block.\n"); + //exit(-1); + //TRAP_INSN_ABORT + //TEA_OUT(printf("\n------------\npc:%x\n", state->Reg[15] - INSN_SIZE)); + //TEA_OUT(printf("TRAP_INSN_ABORT\n")); +//teawater add for xscale(arm v5) 2005.09.01------------------------------------ + /*XScale_set_fsr_far(state, ARMul_CP15_R5_MMU_EXCPT, state->Reg[15] - INSN_SIZE); + state->Reg[15] += INSN_SIZE; + ARMul_Abort(state, ARMul_PrefetchAbortV); + state->Reg[15] += INSN_SIZE; + goto next; */ + state->trap = TRAP_INSN_ABORT; + goto check; //AJ2D-------------------------------------------------------------------------- - } + } - save_st = (uint32_t) st; - save_T0 = T0; - save_T1 = T1; - save_T2 = T2; - tmp_st = (uint32_t) state; - wmb (); - st = (ARMul_State *) tmp_st; - gen_func (); - st = (ARMul_State *) save_st; - T0 = save_T0; - T1 = save_T1; - T2 = save_T2; - - /*if (state->trap != TRAP_OUT) { - state->tea_break_ok = 1; - } - if (state->trap <= TRAP_SET_R15) { - goto next; - } */ - //TEA_OUT(printf("\n------------\npc:%x\n", state->Reg[15] - INSN_SIZE)); + save_st = (uint32_t) st; + save_T0 = T0; + save_T1 = T1; + save_T2 = T2; + tmp_st = (uint32_t) state; + wmb (); + st = (ARMul_State *) tmp_st; + gen_func (); + st = (ARMul_State *) save_st; + T0 = save_T0; + T1 = save_T1; + T2 = save_T2; + + /*if (state->trap != TRAP_OUT) { + state->tea_break_ok = 1; + } + if (state->trap <= TRAP_SET_R15) { + goto next; + } */ + //TEA_OUT(printf("\n------------\npc:%x\n", state->Reg[15] - INSN_SIZE)); //teawater add check thumb 2005.07.21------------------------------------------- - /*if (TFLAG) { - state->Reg[15] -= 2; - return(state->Reg[15]); - } */ + /*if (TFLAG) { + state->Reg[15] -= 2; + return(state->Reg[15]); + } */ //AJ2D-------------------------------------------------------------------------- //teawater add for xscale(arm v5) 2005.09.01------------------------------------ - check: +check: //AJ2D-------------------------------------------------------------------------- - switch (state->trap) { - case TRAP_RESET: - { + switch (state->trap) { + case TRAP_RESET: { //TEA_OUT(printf("TRAP_RESET\n")); ARMul_Abort (state, ARMul_ResetV); state->Reg[15] += INSN_SIZE; } break; - case TRAP_UNPREDICTABLE: - { - ARMul_Debug (state, 0, 0); + case TRAP_UNPREDICTABLE: { + //ARMul_Debug (state, 0, 0); } break; - case TRAP_INSN_UNDEF: - { + case TRAP_INSN_UNDEF: { //TEA_OUT(printf("TRAP_INSN_UNDEF\n")); state->Reg[15] += INSN_SIZE; ARMul_UndefInstr (state, 0); state->Reg[15] += INSN_SIZE; } break; - case TRAP_SWI: - { + case TRAP_SWI: { //TEA_OUT(printf("TRAP_SWI\n")); state->Reg[15] += INSN_SIZE; ARMul_Abort (state, ARMul_SWIV); @@ -4867,44 +4208,39 @@ ARMul_Emulate32_dbct (ARMul_State * state) } break; //teawater add for xscale(arm v5) 2005.09.01------------------------------------ - case TRAP_INSN_ABORT: - { - XScale_set_fsr_far (state, - ARMul_CP15_R5_MMU_EXCPT, - state->Reg[15] - - INSN_SIZE); + case TRAP_INSN_ABORT: { + /*XScale_set_fsr_far (state, + ARMul_CP15_R5_MMU_EXCPT, + state->Reg[15] - + INSN_SIZE);*/ state->Reg[15] += INSN_SIZE; ARMul_Abort (state, ARMul_PrefetchAbortV); state->Reg[15] += INSN_SIZE; } break; //AJ2D-------------------------------------------------------------------------- - case TRAP_DATA_ABORT: - { + case TRAP_DATA_ABORT: { //TEA_OUT(printf("TRAP_DATA_ABORT\n")); state->Reg[15] += INSN_SIZE; ARMul_Abort (state, ARMul_DataAbortV); state->Reg[15] += INSN_SIZE; } break; - case TRAP_IRQ: - { + case TRAP_IRQ: { //TEA_OUT(printf("TRAP_IRQ\n")); state->Reg[15] += INSN_SIZE; ARMul_Abort (state, ARMul_IRQV); state->Reg[15] += INSN_SIZE; } break; - case TRAP_FIQ: - { + case TRAP_FIQ: { //TEA_OUT(printf("TRAP_FIQ\n")); state->Reg[15] += INSN_SIZE; ARMul_Abort (state, ARMul_FIQV); state->Reg[15] += INSN_SIZE; } break; - case TRAP_SETS_R15: - { + case TRAP_SETS_R15: { //TEA_OUT(printf("TRAP_SETS_R15\n")); /*if (state->Bank > 0) { state->Cpsr = state->Spsr[state->Bank]; @@ -4913,1699 +4249,1785 @@ ARMul_Emulate32_dbct (ARMul_State * state) WriteSR15 (state, state->Reg[15]); } break; - case TRAP_SET_CPSR: - { + case TRAP_SET_CPSR: { //TEA_OUT(printf("TRAP_SET_CPSR\n")); - //chy 2006-02-15 USERBANK=SYSTEMBANK=0 - //chy 2006-02-16 should use Mode to test + //chy 2006-02-15 USERBANK=SYSTEMBANK=0 + //chy 2006-02-16 should use Mode to test //if (state->Bank > 0) { - if (state->Mode != USER26MODE && state->Mode != USER32MODE){ - ARMul_CPSRAltered (state); + if (state->Mode != USER26MODE && state->Mode != USER32MODE) { + //ARMul_CPSRAltered (state); } state->Reg[15] += INSN_SIZE; } break; - case TRAP_OUT: - { + case TRAP_OUT: { //TEA_OUT(printf("TRAP_OUT\n")); goto out; } break; - case TRAP_BREAKPOINT: - { + case TRAP_BREAKPOINT: { //TEA_OUT(printf("TRAP_BREAKPOINT\n")); state->Reg[15] -= INSN_SIZE; if (!ARMul_OSHandleSWI - (state, SWI_Breakpoint)) { + (state, SWI_Breakpoint)) { ARMul_Abort (state, ARMul_SWIV); } state->Reg[15] += INSN_SIZE; } break; - } + } - next: - if (state->Emulate == ONCE) { - state->Emulate = STOP; - break; - } - else if (state->Emulate != RUN) { - break; - } - } - while (!state->stop_simulator); +next: + if (state->Emulate == ONCE) { + state->Emulate = STOP; + break; + } else if (state->Emulate != RUN) { + break; + } + } while (!state->stop_simulator); - out: - state->Reg[15] -= INSN_SIZE; - return (state->Reg[15]); -} +out: + state->Reg[15] -= INSN_SIZE; + return (state->Reg[15]); + } #endif //AJ2D-------------------------------------------------------------------------- #endif //AJ2D-------------------------------------------------------------------------- -/* This routine evaluates most Data Processing register RHS's with the S - bit clear. It is intended to be called from the macro DPRegRHS, which - filters the common case of an unshifted register with in line code. */ + /* This routine evaluates most Data Processing register RHS's with the S + bit clear. It is intended to be called from the macro DPRegRHS, which + filters the common case of an unshifted register with in line code. */ -static ARMword -GetDPRegRHS (ARMul_State * state, ARMword instr) -{ - ARMword shamt, base; + static ARMword + GetDPRegRHS (ARMul_State * state, ARMword instr) { + ARMword shamt, base; - base = RHSReg; - if (BIT (4)) { - /* Shift amount in a register. */ - UNDEF_Shift; - INCPC; + base = RHSReg; + if (BIT (4)) { + /* Shift amount in a register. */ + UNDEF_Shift; + INCPC; #ifndef MODE32 - if (base == 15) - base = ECC | ER15INT | R15PC | EMODE; - else -#endif - base = state->Reg[base]; - ARMul_Icycles (state, 1, 0L); - shamt = state->Reg[BITS (8, 11)] & 0xff; - switch ((int) BITS (5, 6)) { - case LSL: - if (shamt == 0) - return (base); - else if (shamt >= 32) - return (0); + if (base == 15) + base = ECC | ER15INT | R15PC | EMODE; else - return (base << shamt); - case LSR: - if (shamt == 0) - return (base); - else if (shamt >= 32) - return (0); - else - return (base >> shamt); - case ASR: - if (shamt == 0) - return (base); - else if (shamt >= 32) - return ((ARMword) ((int) base >> 31L)); - else - return ((ARMword) - (( int) base >> (int) shamt)); - case ROR: - shamt &= 0x1f; - if (shamt == 0) - return (base); - else - return ((base << (32 - shamt)) | - (base >> shamt)); - } - } - else { - /* Shift amount is a constant. */ -#ifndef MODE32 - if (base == 15) - base = ECC | ER15INT | R15PC | EMODE; - else #endif - base = state->Reg[base]; - shamt = BITS (7, 11); - switch ((int) BITS (5, 6)) { - case LSL: - return (base << shamt); - case LSR: - if (shamt == 0) - return (0); - else - return (base >> shamt); - case ASR: - if (shamt == 0) - return ((ARMword) (( int) base >> 31L)); - else - return ((ARMword) - (( int) base >> (int) shamt)); - case ROR: - if (shamt == 0) - /* It's an RRX. */ - return ((base >> 1) | (CFLAG << 31)); + base = state->Reg[base]; + ARMul_Icycles (state, 1, 0L); + shamt = state->Reg[BITS (8, 11)] & 0xff; + switch ((int) BITS (5, 6)) { + case LSL: + if (shamt == 0) + return (base); + else if (shamt >= 32) + return (0); + else + return (base << shamt); + case LSR: + if (shamt == 0) + return (base); + else if (shamt >= 32) + return (0); + else + return (base >> shamt); + case ASR: + if (shamt == 0) + return (base); + else if (shamt >= 32) + return ((ARMword) ((int) base >> 31L)); + else + return ((ARMword) + (( int) base >> (int) shamt)); + case ROR: + shamt &= 0x1f; + if (shamt == 0) + return (base); + else + return ((base << (32 - shamt)) | + (base >> shamt)); + } + } else { + /* Shift amount is a constant. */ +#ifndef MODE32 + if (base == 15) + base = ECC | ER15INT | R15PC | EMODE; else - return ((base << (32 - shamt)) | - (base >> shamt)); +#endif + base = state->Reg[base]; + shamt = BITS (7, 11); + switch ((int) BITS (5, 6)) { + case LSL: + return (base << shamt); + case LSR: + if (shamt == 0) + return (0); + else + return (base >> shamt); + case ASR: + if (shamt == 0) + return ((ARMword) (( int) base >> 31L)); + else + return ((ARMword) + (( int) base >> (int) shamt)); + case ROR: + if (shamt == 0) + /* It's an RRX. */ + return ((base >> 1) | (CFLAG << 31)); + else + return ((base << (32 - shamt)) | + (base >> shamt)); + } } - } - return 0; -} + return 0; + } -/* This routine evaluates most Logical Data Processing register RHS's - with the S bit set. It is intended to be called from the macro - DPSRegRHS, which filters the common case of an unshifted register - with in line code. */ + /* This routine evaluates most Logical Data Processing register RHS's + with the S bit set. It is intended to be called from the macro + DPSRegRHS, which filters the common case of an unshifted register + with in line code. */ -static ARMword -GetDPSRegRHS (ARMul_State * state, ARMword instr) -{ - ARMword shamt, base; + static ARMword + GetDPSRegRHS (ARMul_State * state, ARMword instr) { + ARMword shamt, base; - base = RHSReg; - if (BIT (4)) { - /* Shift amount in a register. */ - UNDEF_Shift; - INCPC; + base = RHSReg; + if (BIT (4)) { + /* Shift amount in a register. */ + UNDEF_Shift; + INCPC; #ifndef MODE32 - if (base == 15) - base = ECC | ER15INT | R15PC | EMODE; - else + if (base == 15) + base = ECC | ER15INT | R15PC | EMODE; + else #endif - base = state->Reg[base]; - ARMul_Icycles (state, 1, 0L); - shamt = state->Reg[BITS (8, 11)] & 0xff; - switch ((int) BITS (5, 6)) { - case LSL: - if (shamt == 0) - return (base); - else if (shamt == 32) { - ASSIGNC (base & 1); - return (0); - } - else if (shamt > 32) { - CLEARC; - return (0); - } - else { - ASSIGNC ((base >> (32 - shamt)) & 1); - return (base << shamt); - } - case LSR: - if (shamt == 0) - return (base); - else if (shamt == 32) { - ASSIGNC (base >> 31); - return (0); - } - else if (shamt > 32) { - CLEARC; - return (0); - } - else { - ASSIGNC ((base >> (shamt - 1)) & 1); - return (base >> shamt); - } - case ASR: - if (shamt == 0) - return (base); - else if (shamt >= 32) { - ASSIGNC (base >> 31L); - return ((ARMword) (( int) base >> 31L)); - } - else { - ASSIGNC ((ARMword) - (( int) base >> - (int) (shamt - 1)) & 1); - return ((ARMword) - ((int) base >> (int) shamt)); - } - case ROR: - if (shamt == 0) - return (base); - shamt &= 0x1f; - if (shamt == 0) { - ASSIGNC (base >> 31); - return (base); - } - else { - ASSIGNC ((base >> (shamt - 1)) & 1); - return ((base << (32 - shamt)) | - (base >> shamt)); + base = state->Reg[base]; + ARMul_Icycles (state, 1, 0L); + shamt = state->Reg[BITS (8, 11)] & 0xff; + switch ((int) BITS (5, 6)) { + case LSL: + if (shamt == 0) + return (base); + else if (shamt == 32) { + ASSIGNC (base & 1); + return (0); + } else if (shamt > 32) { + CLEARC; + return (0); + } else { + ASSIGNC ((base >> (32 - shamt)) & 1); + return (base << shamt); + } + case LSR: + if (shamt == 0) + return (base); + else if (shamt == 32) { + ASSIGNC (base >> 31); + return (0); + } else if (shamt > 32) { + CLEARC; + return (0); + } else { + ASSIGNC ((base >> (shamt - 1)) & 1); + return (base >> shamt); + } + case ASR: + if (shamt == 0) + return (base); + else if (shamt >= 32) { + ASSIGNC (base >> 31L); + return ((ARMword) (( int) base >> 31L)); + } else { + ASSIGNC ((ARMword) + (( int) base >> + (int) (shamt - 1)) & 1); + return ((ARMword) + ((int) base >> (int) shamt)); + } + case ROR: + if (shamt == 0) + return (base); + shamt &= 0x1f; + if (shamt == 0) { + ASSIGNC (base >> 31); + return (base); + } else { + ASSIGNC ((base >> (shamt - 1)) & 1); + return ((base << (32 - shamt)) | + (base >> shamt)); + } } - } - } - else { - /* Shift amount is a constant. */ + } else { + /* Shift amount is a constant. */ #ifndef MODE32 - if (base == 15) - base = ECC | ER15INT | R15PC | EMODE; - else + if (base == 15) + base = ECC | ER15INT | R15PC | EMODE; + else #endif - base = state->Reg[base]; - shamt = BITS (7, 11); + base = state->Reg[base]; + shamt = BITS (7, 11); - switch ((int) BITS (5, 6)) { - case LSL: - ASSIGNC ((base >> (32 - shamt)) & 1); - return (base << shamt); - case LSR: - if (shamt == 0) { - ASSIGNC (base >> 31); - return (0); - } - else { - ASSIGNC ((base >> (shamt - 1)) & 1); - return (base >> shamt); - } - case ASR: - if (shamt == 0) { - ASSIGNC (base >> 31L); - return ((ARMword) ((int) base >> 31L)); - } - else { - ASSIGNC ((ARMword) - ((int) base >> - (int) (shamt - 1)) & 1); - return ((ARMword) - (( int) base >> (int) shamt)); - } - case ROR: - if (shamt == 0) { - /* It's an RRX. */ - shamt = CFLAG; - ASSIGNC (base & 1); - return ((base >> 1) | (shamt << 31)); - } - else { - ASSIGNC ((base >> (shamt - 1)) & 1); - return ((base << (32 - shamt)) | - (base >> shamt)); + switch ((int) BITS (5, 6)) { + case LSL: + ASSIGNC ((base >> (32 - shamt)) & 1); + return (base << shamt); + case LSR: + if (shamt == 0) { + ASSIGNC (base >> 31); + return (0); + } else { + ASSIGNC ((base >> (shamt - 1)) & 1); + return (base >> shamt); + } + case ASR: + if (shamt == 0) { + ASSIGNC (base >> 31L); + return ((ARMword) ((int) base >> 31L)); + } else { + ASSIGNC ((ARMword) + ((int) base >> + (int) (shamt - 1)) & 1); + return ((ARMword) + (( int) base >> (int) shamt)); + } + case ROR: + if (shamt == 0) { + /* It's an RRX. */ + shamt = CFLAG; + ASSIGNC (base & 1); + return ((base >> 1) | (shamt << 31)); + } else { + ASSIGNC ((base >> (shamt - 1)) & 1); + return ((base << (32 - shamt)) | + (base >> shamt)); + } } } - } - return 0; -} + return 0; + } -/* This routine handles writes to register 15 when the S bit is not set. */ + /* This routine handles writes to register 15 when the S bit is not set. */ -static void -WriteR15 (ARMul_State * state, ARMword src) -{ - /* The ARM documentation states that the two least significant bits - are discarded when setting PC, except in the cases handled by - WriteR15Branch() below. It's probably an oversight: in THUMB - mode, the second least significant bit should probably not be - discarded. */ + static void + WriteR15 (ARMul_State * state, ARMword src) { + /* The ARM documentation states that the two least significant bits + are discarded when setting PC, except in the cases handled by + WriteR15Branch() below. It's probably an oversight: in THUMB + mode, the second least significant bit should probably not be + discarded. */ #ifdef MODET - if (TFLAG) - src &= 0xfffffffe; - else + if (TFLAG) + src &= 0xfffffffe; + else #endif - src &= 0xfffffffc; + src &= 0xfffffffc; #ifdef MODE32 - state->Reg[15] = src & PCBITS; + state->Reg[15] = src & PCBITS; #else - state->Reg[15] = (src & R15PCBITS) | ECC | ER15INT | EMODE; - ARMul_R15Altered (state); + state->Reg[15] = (src & R15PCBITS) | ECC | ER15INT | EMODE; + ARMul_R15Altered (state); #endif - FLUSHPIPE; -} + FLUSHPIPE; + } -/* This routine handles writes to register 15 when the S bit is set. */ + /* This routine handles writes to register 15 when the S bit is set. */ -static void -WriteSR15 (ARMul_State * state, ARMword src) -{ + static void + WriteSR15 (ARMul_State * state, ARMword src) { #ifdef MODE32 - if (state->Bank > 0) { - state->Cpsr = state->Spsr[state->Bank]; - ARMul_CPSRAltered (state); - } + if (state->Bank > 0) { + state->Cpsr = state->Spsr[state->Bank]; + //ARMul_CPSRAltered (state); + } #ifdef MODET - if (TFLAG) - src &= 0xfffffffe; - else + if (TFLAG) + src &= 0xfffffffe; + else #endif - src &= 0xfffffffc; - state->Reg[15] = src & PCBITS; + src &= 0xfffffffc; + state->Reg[15] = src & PCBITS; #else #ifdef MODET - if (TFLAG) - /* ARMul_R15Altered would have to support it. */ - abort (); - else + if (TFLAG) + /* ARMul_R15Altered would have to support it. */ + abort (); + else #endif - src &= 0xfffffffc; + src &= 0xfffffffc; - if (state->Bank == USERBANK) - state->Reg[15] = - (src & (CCBITS | R15PCBITS)) | ER15INT | EMODE; - else - state->Reg[15] = src; + if (state->Bank == USERBANK) + state->Reg[15] = + (src & (CCBITS | R15PCBITS)) | ER15INT | EMODE; + else + state->Reg[15] = src; - ARMul_R15Altered (state); + ARMul_R15Altered (state); #endif - FLUSHPIPE; -} + FLUSHPIPE; + } -/* In machines capable of running in Thumb mode, BX, BLX, LDR and LDM - will switch to Thumb mode if the least significant bit is set. */ + /* In machines capable of running in Thumb mode, BX, BLX, LDR and LDM + will switch to Thumb mode if the least significant bit is set. */ -static void -WriteR15Branch (ARMul_State * state, ARMword src) -{ + static void + WriteR15Branch (ARMul_State * state, ARMword src) { #ifdef MODET - if (src & 1) { - /* Thumb bit. */ - SETT; - state->Reg[15] = src & 0xfffffffe; - } - else { - CLEART; - state->Reg[15] = src & 0xfffffffc; - } - state->Cpsr = ARMul_GetCPSR (state); - FLUSHPIPE; + if (src & 1) { + /* Thumb bit. */ + SETT; + state->Reg[15] = src & 0xfffffffe; + } else { + CLEART; + state->Reg[15] = src & 0xfffffffc; + } + state->Cpsr = ARMul_GetCPSR (state); + FLUSHPIPE; #else - WriteR15 (state, src); + WriteR15 (state, src); #endif -} + } -/* This routine evaluates most Load and Store register RHS's. It is - intended to be called from the macro LSRegRHS, which filters the - common case of an unshifted register with in line code. */ + /* This routine evaluates most Load and Store register RHS's. It is + intended to be called from the macro LSRegRHS, which filters the + common case of an unshifted register with in line code. */ -static ARMword -GetLSRegRHS (ARMul_State * state, ARMword instr) -{ - ARMword shamt, base; + static ARMword + GetLSRegRHS (ARMul_State * state, ARMword instr) { + ARMword shamt, base; - base = RHSReg; + base = RHSReg; #ifndef MODE32 - if (base == 15) - /* Now forbidden, but ... */ - base = ECC | ER15INT | R15PC | EMODE; - else -#endif - base = state->Reg[base]; - - shamt = BITS (7, 11); - switch ((int) BITS (5, 6)) { - case LSL: - return (base << shamt); - case LSR: - if (shamt == 0) - return (0); - else - return (base >> shamt); - case ASR: - if (shamt == 0) - return ((ARMword) (( int) base >> 31L)); - else - return ((ARMword) (( int) base >> (int) shamt)); - case ROR: - if (shamt == 0) - /* It's an RRX. */ - return ((base >> 1) | (CFLAG << 31)); + if (base == 15) + /* Now forbidden, but ... */ + base = ECC | ER15INT | R15PC | EMODE; else - return ((base << (32 - shamt)) | (base >> shamt)); - default: - break; +#endif + base = state->Reg[base]; + + shamt = BITS (7, 11); + switch ((int) BITS (5, 6)) { + case LSL: + return (base << shamt); + case LSR: + if (shamt == 0) + return (0); + else + return (base >> shamt); + case ASR: + if (shamt == 0) + return ((ARMword) (( int) base >> 31L)); + else + return ((ARMword) (( int) base >> (int) shamt)); + case ROR: + if (shamt == 0) + /* It's an RRX. */ + return ((base >> 1) | (CFLAG << 31)); + else + return ((base << (32 - shamt)) | (base >> shamt)); + default: + break; + } + return 0; } - return 0; -} -/* This routine evaluates the ARM7T halfword and signed transfer RHS's. */ + /* This routine evaluates the ARM7T halfword and signed transfer RHS's. */ -static ARMword -GetLS7RHS (ARMul_State * state, ARMword instr) -{ - if (BIT (22) == 0) { - /* Register. */ + static ARMword + GetLS7RHS (ARMul_State * state, ARMword instr) { + if (BIT (22) == 0) { + /* Register. */ #ifndef MODE32 - if (RHSReg == 15) - /* Now forbidden, but ... */ - return ECC | ER15INT | R15PC | EMODE; + if (RHSReg == 15) + /* Now forbidden, but ... */ + return ECC | ER15INT | R15PC | EMODE; #endif - return state->Reg[RHSReg]; - } + return state->Reg[RHSReg]; + } - /* Immediate. */ - return BITS (0, 3) | (BITS (8, 11) << 4); -} + /* Immediate. */ + return BITS (0, 3) | (BITS (8, 11) << 4); + } -/* This function does the work of loading a word for a LDR instruction. */ + /* This function does the work of loading a word for a LDR instruction. */ #define MEM_LOAD_LOG(description) if (skyeye_config.log.memlogon >= 1) { \ - fprintf(skyeye_logfd, \ - "m LOAD %s: N %llx :p %x :i %x :a %x :d %x\n", \ - description, state->NumInstrs, state->pc, instr, \ - address, dest); \ - } + fprintf(skyeye_logfd, \ + "m LOAD %s: N %llx :p %x :i %x :a %x :d %x\n", \ + description, state->NumInstrs, state->pc, instr, \ + address, dest); \ + } #define MEM_STORE_LOG(description) if (skyeye_config.log.memlogon >= 1) { \ - fprintf(skyeye_logfd, \ - "m STORE %s: N %llx :p %x :i %x :a %x :d %x\n", \ - description, state->NumInstrs, state->pc, instr, \ - address, DEST); \ - } + fprintf(skyeye_logfd, \ + "m STORE %s: N %llx :p %x :i %x :a %x :d %x\n", \ + description, state->NumInstrs, state->pc, instr, \ + address, DEST); \ + } -static unsigned -LoadWord (ARMul_State * state, ARMword instr, ARMword address) -{ - ARMword dest; + static unsigned + LoadWord (ARMul_State * state, ARMword instr, ARMword address) { + ARMword dest; - BUSUSEDINCPCS; + BUSUSEDINCPCS; #ifndef MODE32 - if (ADDREXCEPT (address)) - INTERNALABORT (address); + if (ADDREXCEPT (address)) + INTERNALABORT (address); #endif - dest = ARMul_LoadWordN (state, address); + dest = ARMul_LoadWordN (state, address); - if (state->Aborted) { - TAKEABORT; - return state->lateabtSig; - } - if (address & 3) - dest = ARMul_Align (state, address, dest); - WRITEDESTB (dest); - ARMul_Icycles (state, 1, 0L); + if (state->Aborted) { + TAKEABORT; + return state->lateabtSig; + } + if (address & 3) + dest = ARMul_Align (state, address, dest); + WRITEDESTB (dest); + ARMul_Icycles (state, 1, 0L); - //MEM_LOAD_LOG("WORD"); + //MEM_LOAD_LOG("WORD"); - return (DESTReg != LHSReg); -} + return (DESTReg != LHSReg); + } #ifdef MODET -/* This function does the work of loading a halfword. */ + /* This function does the work of loading a halfword. */ -static unsigned -LoadHalfWord (ARMul_State * state, ARMword instr, ARMword address, - int signextend) -{ - ARMword dest; + static unsigned + LoadHalfWord (ARMul_State * state, ARMword instr, ARMword address, + int signextend) { + ARMword dest; - BUSUSEDINCPCS; + BUSUSEDINCPCS; #ifndef MODE32 - if (ADDREXCEPT (address)) - INTERNALABORT (address); + if (ADDREXCEPT (address)) + INTERNALABORT (address); #endif - dest = ARMul_LoadHalfWord (state, address); - if (state->Aborted) { - TAKEABORT; - return state->lateabtSig; - } - UNDEF_LSRBPC; - if (signextend) - if (dest & 1 << (16 - 1)) - dest = (dest & ((1 << 16) - 1)) - (1 << 16); + dest = ARMul_LoadHalfWord (state, address); + if (state->Aborted) { + TAKEABORT; + return state->lateabtSig; + } + UNDEF_LSRBPC; + if (signextend) + if (dest & 1 << (16 - 1)) + dest = (dest & ((1 << 16) - 1)) - (1 << 16); - WRITEDEST (dest); - ARMul_Icycles (state, 1, 0L); + WRITEDEST (dest); + ARMul_Icycles (state, 1, 0L); - //MEM_LOAD_LOG("HALFWORD"); + //MEM_LOAD_LOG("HALFWORD"); - return (DESTReg != LHSReg); -} + return (DESTReg != LHSReg); + } #endif /* MODET */ -/* This function does the work of loading a byte for a LDRB instruction. */ + /* This function does the work of loading a byte for a LDRB instruction. */ -static unsigned -LoadByte (ARMul_State * state, ARMword instr, ARMword address, int signextend) -{ - ARMword dest; + static unsigned + LoadByte (ARMul_State * state, ARMword instr, ARMword address, int signextend) { + ARMword dest; - BUSUSEDINCPCS; + BUSUSEDINCPCS; #ifndef MODE32 - if (ADDREXCEPT (address)) - INTERNALABORT (address); + if (ADDREXCEPT (address)) + INTERNALABORT (address); #endif - dest = ARMul_LoadByte (state, address); - if (state->Aborted) { - TAKEABORT; - return state->lateabtSig; - } - UNDEF_LSRBPC; - if (signextend) - if (dest & 1 << (8 - 1)) - dest = (dest & ((1 << 8) - 1)) - (1 << 8); + dest = ARMul_LoadByte (state, address); + if (state->Aborted) { + TAKEABORT; + return state->lateabtSig; + } + UNDEF_LSRBPC; + if (signextend) + if (dest & 1 << (8 - 1)) + dest = (dest & ((1 << 8) - 1)) - (1 << 8); - WRITEDEST (dest); - ARMul_Icycles (state, 1, 0L); + WRITEDEST (dest); + ARMul_Icycles (state, 1, 0L); - //MEM_LOAD_LOG("BYTE"); + //MEM_LOAD_LOG("BYTE"); - return (DESTReg != LHSReg); -} + return (DESTReg != LHSReg); + } -/* This function does the work of loading two words for a LDRD instruction. */ + /* This function does the work of loading two words for a LDRD instruction. */ + + static void + Handle_Load_Double (ARMul_State * state, ARMword instr) { + ARMword dest_reg; + ARMword addr_reg; + ARMword write_back = BIT (21); + ARMword immediate = BIT (22); + ARMword add_to_base = BIT (23); + ARMword pre_indexed = BIT (24); + ARMword offset; + ARMword addr; + ARMword sum; + ARMword base; + ARMword value1; + ARMword value2; + + BUSUSEDINCPCS; + + /* If the writeback bit is set, the pre-index bit must be clear. */ + if (write_back && !pre_indexed) { + ARMul_UndefInstr (state, instr); + return; + } -static void -Handle_Load_Double (ARMul_State * state, ARMword instr) -{ - ARMword dest_reg; - ARMword addr_reg; - ARMword write_back = BIT (21); - ARMword immediate = BIT (22); - ARMword add_to_base = BIT (23); - ARMword pre_indexed = BIT (24); - ARMword offset; - ARMword addr; - ARMword sum; - ARMword base; - ARMword value1; - ARMword value2; - - BUSUSEDINCPCS; - - /* If the writeback bit is set, the pre-index bit must be clear. */ - if (write_back && !pre_indexed) { - ARMul_UndefInstr (state, instr); - return; - } + /* Extract the base address register. */ + addr_reg = LHSReg; - /* Extract the base address register. */ - addr_reg = LHSReg; + /* Extract the destination register and check it. */ + dest_reg = DESTReg; - /* Extract the destination register and check it. */ - dest_reg = DESTReg; + /* Destination register must be even. */ + if ((dest_reg & 1) + /* Destination register cannot be LR. */ + || (dest_reg == 14)) { + ARMul_UndefInstr (state, instr); + return; + } - /* Destination register must be even. */ - if ((dest_reg & 1) - /* Destination register cannot be LR. */ - || (dest_reg == 14)) { - ARMul_UndefInstr (state, instr); - return; - } + /* Compute the base address. */ + base = state->Reg[addr_reg]; - /* Compute the base address. */ - base = state->Reg[addr_reg]; - - /* Compute the offset. */ - offset = immediate ? ((BITS (8, 11) << 4) | BITS (0, 3)) : state-> - Reg[RHSReg]; - - /* Compute the sum of the two. */ - if (add_to_base) - sum = base + offset; - else - sum = base - offset; - - /* If this is a pre-indexed mode use the sum. */ - if (pre_indexed) - addr = sum; - else - addr = base; - - /* The address must be aligned on a 8 byte boundary. */ - // FIX(Normatt): Disable strict alignment on LDRD/STRD -// if (addr & 0x7) { -//#ifdef ABORTS -// ARMul_DATAABORT (addr); -//#else -// ARMul_UndefInstr (state, instr); -//#endif -// return; -// } - - /* For pre indexed or post indexed addressing modes, - check that the destination registers do not overlap - the address registers. */ - if ((!pre_indexed || write_back) - && (addr_reg == dest_reg || addr_reg == dest_reg + 1)) { - ARMul_UndefInstr (state, instr); - return; - } + /* Compute the offset. */ + offset = immediate ? ((BITS (8, 11) << 4) | BITS (0, 3)) : state-> + Reg[RHSReg]; - /* Load the words. */ - value1 = ARMul_LoadWordN (state, addr); - value2 = ARMul_LoadWordN (state, addr + 4); + /* Compute the sum of the two. */ + if (add_to_base) + sum = base + offset; + else + sum = base - offset; - /* Check for data aborts. */ - if (state->Aborted) { - TAKEABORT; - return; - } + /* If this is a pre-indexed mode use the sum. */ + if (pre_indexed) + addr = sum; + else + addr = base; + + /* The address must be aligned on a 8 byte boundary. */ + /*if (addr & 0x7) { + #ifdef ABORTS + ARMul_DATAABORT (addr); + #else + ARMul_UndefInstr (state, instr); + #endif + return; + }*/ + /* Lets just forcibly align it for now */ + //addr = (addr + 7) & ~7; + + /* For pre indexed or post indexed addressing modes, + check that the destination registers do not overlap + the address registers. */ + if ((!pre_indexed || write_back) + && (addr_reg == dest_reg || addr_reg == dest_reg + 1)) { + ARMul_UndefInstr (state, instr); + return; + } - ARMul_Icycles (state, 2, 0L); + /* Load the words. */ + value1 = ARMul_LoadWordN (state, addr); + value2 = ARMul_LoadWordN (state, addr + 4); - /* Store the values. */ - state->Reg[dest_reg] = value1; - state->Reg[dest_reg + 1] = value2; + /* Check for data aborts. */ + if (state->Aborted) { + TAKEABORT; + return; + } - /* Do the post addressing and writeback. */ - if (!pre_indexed) - addr = sum; + ARMul_Icycles (state, 2, 0L); - if (!pre_indexed || write_back) - state->Reg[addr_reg] = addr; -} + /* Store the values. */ + state->Reg[dest_reg] = value1; + state->Reg[dest_reg + 1] = value2; -/* This function does the work of storing two words for a STRD instruction. */ + /* Do the post addressing and writeback. */ + if (!pre_indexed) + addr = sum; -static void -Handle_Store_Double (ARMul_State * state, ARMword instr) -{ - ARMword src_reg; - ARMword addr_reg; - ARMword write_back = BIT (21); - ARMword immediate = BIT (22); - ARMword add_to_base = BIT (23); - ARMword pre_indexed = BIT (24); - ARMword offset; - ARMword addr; - ARMword sum; - ARMword base; - - BUSUSEDINCPCS; - - /* If the writeback bit is set, the pre-index bit must be clear. */ - if (write_back && !pre_indexed) { - ARMul_UndefInstr (state, instr); - return; + if (!pre_indexed || write_back) + state->Reg[addr_reg] = addr; } - /* Extract the base address register. */ - addr_reg = LHSReg; + /* This function does the work of storing two words for a STRD instruction. */ + + static void + Handle_Store_Double (ARMul_State * state, ARMword instr) { + ARMword src_reg; + ARMword addr_reg; + ARMword write_back = BIT (21); + ARMword immediate = BIT (22); + ARMword add_to_base = BIT (23); + ARMword pre_indexed = BIT (24); + ARMword offset; + ARMword addr; + ARMword sum; + ARMword base; + + BUSUSEDINCPCS; + + /* If the writeback bit is set, the pre-index bit must be clear. */ + if (write_back && !pre_indexed) { + ARMul_UndefInstr (state, instr); + return; + } - /* Base register cannot be PC. */ - if (addr_reg == 15) { - ARMul_UndefInstr (state, instr); - return; - } + /* Extract the base address register. */ + addr_reg = LHSReg; - /* Extract the source register. */ - src_reg = DESTReg; + /* Base register cannot be PC. */ + if (addr_reg == 15) { + ARMul_UndefInstr (state, instr); + return; + } - /* Source register must be even. */ - if (src_reg & 1) { - ARMul_UndefInstr (state, instr); - return; - } + /* Extract the source register. */ + src_reg = DESTReg; - /* Compute the base address. */ - base = state->Reg[addr_reg]; - - /* Compute the offset. */ - offset = immediate ? ((BITS (8, 11) << 4) | BITS (0, 3)) : state-> - Reg[RHSReg]; - - /* Compute the sum of the two. */ - if (add_to_base) - sum = base + offset; - else - sum = base - offset; - - /* If this is a pre-indexed mode use the sum. */ - if (pre_indexed) - addr = sum; - else - addr = base; - - /* The address must be aligned on a 8 byte boundary. */ - // FIX(Normatt): Disable strict alignment on LDRD/STRD -// if (addr & 0x7) { -//#ifdef ABORTS -// ARMul_DATAABORT (addr); -//#else -// ARMul_UndefInstr (state, instr); -//#endif -// return; -// } - - /* For pre indexed or post indexed addressing modes, - check that the destination registers do not overlap - the address registers. */ - if ((!pre_indexed || write_back) - && (addr_reg == src_reg || addr_reg == src_reg + 1)) { - ARMul_UndefInstr (state, instr); - return; - } + /* Source register must be even. */ + if (src_reg & 1) { + ARMul_UndefInstr (state, instr); + return; + } - /* Load the words. */ - ARMul_StoreWordN (state, addr, state->Reg[src_reg]); - ARMul_StoreWordN (state, addr + 4, state->Reg[src_reg + 1]); + /* Compute the base address. */ + base = state->Reg[addr_reg]; - if (state->Aborted) { - TAKEABORT; - return; - } + /* Compute the offset. */ + offset = immediate ? ((BITS (8, 11) << 4) | BITS (0, 3)) : state-> + Reg[RHSReg]; - /* Do the post addressing and writeback. */ - if (!pre_indexed) - addr = sum; + /* Compute the sum of the two. */ + if (add_to_base) + sum = base + offset; + else + sum = base - offset; - if (!pre_indexed || write_back) - state->Reg[addr_reg] = addr; -} + /* If this is a pre-indexed mode use the sum. */ + if (pre_indexed) + addr = sum; + else + addr = base; + + /* The address must be aligned on a 8 byte boundary. */ + /*if (addr & 0x7) { + #ifdef ABORTS + ARMul_DATAABORT (addr); + #else + ARMul_UndefInstr (state, instr); + #endif + return; + }*/ + /* Lets just forcibly align it for now */ + //addr = (addr + 7) & ~7; + + /* For pre indexed or post indexed addressing modes, + check that the destination registers do not overlap + the address registers. */ + if ((!pre_indexed || write_back) + && (addr_reg == src_reg || addr_reg == src_reg + 1)) { + ARMul_UndefInstr (state, instr); + return; + } -/* This function does the work of storing a word from a STR instruction. */ + /* Load the words. */ + ARMul_StoreWordN (state, addr, state->Reg[src_reg]); + ARMul_StoreWordN (state, addr + 4, state->Reg[src_reg + 1]); -static unsigned -StoreWord (ARMul_State * state, ARMword instr, ARMword address) -{ - //MEM_STORE_LOG("WORD"); + if (state->Aborted) { + TAKEABORT; + return; + } + + /* Do the post addressing and writeback. */ + if (!pre_indexed) + addr = sum; + + if (!pre_indexed || write_back) + state->Reg[addr_reg] = addr; + } + + /* This function does the work of storing a word from a STR instruction. */ - BUSUSEDINCPCN; + static unsigned + StoreWord (ARMul_State * state, ARMword instr, ARMword address) { + //MEM_STORE_LOG("WORD"); + + BUSUSEDINCPCN; #ifndef MODE32 - if (DESTReg == 15) - state->Reg[15] = ECC | ER15INT | R15PC | EMODE; + if (DESTReg == 15) + state->Reg[15] = ECC | ER15INT | R15PC | EMODE; #endif #ifdef MODE32 - ARMul_StoreWordN (state, address, DEST); -#else - if (VECTORACCESS (address) || ADDREXCEPT (address)) { - INTERNALABORT (address); - (void) ARMul_LoadWordN (state, address); - } - else ARMul_StoreWordN (state, address, DEST); +#else + if (VECTORACCESS (address) || ADDREXCEPT (address)) { + INTERNALABORT (address); + (void) ARMul_LoadWordN (state, address); + } else + ARMul_StoreWordN (state, address, DEST); #endif - if (state->Aborted) { - TAKEABORT; - return state->lateabtSig; - } + if (state->Aborted) { + TAKEABORT; + return state->lateabtSig; + } - return TRUE; -} + return TRUE; + } #ifdef MODET -/* This function does the work of storing a byte for a STRH instruction. */ + /* This function does the work of storing a byte for a STRH instruction. */ -static unsigned -StoreHalfWord (ARMul_State * state, ARMword instr, ARMword address) -{ - //MEM_STORE_LOG("HALFWORD"); + static unsigned + StoreHalfWord (ARMul_State * state, ARMword instr, ARMword address) { + //MEM_STORE_LOG("HALFWORD"); - BUSUSEDINCPCN; + BUSUSEDINCPCN; #ifndef MODE32 - if (DESTReg == 15) - state->Reg[15] = ECC | ER15INT | R15PC | EMODE; + if (DESTReg == 15) + state->Reg[15] = ECC | ER15INT | R15PC | EMODE; #endif #ifdef MODE32 - ARMul_StoreHalfWord (state, address, DEST); -#else - if (VECTORACCESS (address) || ADDREXCEPT (address)) { - INTERNALABORT (address); - (void) ARMul_LoadHalfWord (state, address); - } - else ARMul_StoreHalfWord (state, address, DEST); +#else + if (VECTORACCESS (address) || ADDREXCEPT (address)) { + INTERNALABORT (address); + (void) ARMul_LoadHalfWord (state, address); + } else + ARMul_StoreHalfWord (state, address, DEST); #endif - if (state->Aborted) { - TAKEABORT; - return state->lateabtSig; + if (state->Aborted) { + TAKEABORT; + return state->lateabtSig; + } + return TRUE; } - return TRUE; -} #endif /* MODET */ -/* This function does the work of storing a byte for a STRB instruction. */ + /* This function does the work of storing a byte for a STRB instruction. */ -static unsigned -StoreByte (ARMul_State * state, ARMword instr, ARMword address) -{ - //MEM_STORE_LOG("BYTE"); + static unsigned + StoreByte (ARMul_State * state, ARMword instr, ARMword address) { + //MEM_STORE_LOG("BYTE"); - BUSUSEDINCPCN; + BUSUSEDINCPCN; #ifndef MODE32 - if (DESTReg == 15) - state->Reg[15] = ECC | ER15INT | R15PC | EMODE; + if (DESTReg == 15) + state->Reg[15] = ECC | ER15INT | R15PC | EMODE; #endif #ifdef MODE32 - ARMul_StoreByte (state, address, DEST); -#else - if (VECTORACCESS (address) || ADDREXCEPT (address)) { - INTERNALABORT (address); - (void) ARMul_LoadByte (state, address); - } - else ARMul_StoreByte (state, address, DEST); +#else + if (VECTORACCESS (address) || ADDREXCEPT (address)) { + INTERNALABORT (address); + (void) ARMul_LoadByte (state, address); + } else + ARMul_StoreByte (state, address, DEST); #endif - if (state->Aborted) { - TAKEABORT; - return state->lateabtSig; + if (state->Aborted) { + TAKEABORT; + return state->lateabtSig; + } + //UNDEF_LSRBPC; + return TRUE; } - //UNDEF_LSRBPC; - return TRUE; -} -/* This function does the work of loading the registers listed in an LDM - instruction, when the S bit is clear. The code here is always increment - after, it's up to the caller to get the input address correct and to - handle base register modification. */ + /* This function does the work of loading the registers listed in an LDM + instruction, when the S bit is clear. The code here is always increment + after, it's up to the caller to get the input address correct and to + handle base register modification. */ -static void -LoadMult (ARMul_State * state, ARMword instr, ARMword address, ARMword WBBase) -{ - ARMword dest, temp; + static void + LoadMult (ARMul_State * state, ARMword instr, ARMword address, ARMword WBBase) { + ARMword dest, temp; - //UNDEF_LSMNoRegs; - //UNDEF_LSMPCBase; - //UNDEF_LSMBaseInListWb; - BUSUSEDINCPCS; + //UNDEF_LSMNoRegs; + //UNDEF_LSMPCBase; + //UNDEF_LSMBaseInListWb; + BUSUSEDINCPCS; #ifndef MODE32 - if (ADDREXCEPT (address)) - INTERNALABORT (address); + if (ADDREXCEPT (address)) + INTERNALABORT (address); #endif -/*chy 2004-05-23 may write twice - if (BIT (21) && LHSReg != 15) - LSBase = WBBase; -*/ - /* N cycle first. */ - for (temp = 0; !BIT (temp); temp++); + /*chy 2004-05-23 may write twice + if (BIT (21) && LHSReg != 15) + LSBase = WBBase; + */ + /* N cycle first. */ + for (temp = 0; !BIT (temp); temp++); - dest = ARMul_LoadWordN (state, address); + dest = ARMul_LoadWordN (state, address); + + if (!state->abortSig && !state->Aborted) + state->Reg[temp++] = dest; + else if (!state->Aborted) { + //XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address); + state->Aborted = ARMul_DataAbortV; + } + /*chy 2004-05-23 chy goto end*/ + if (state->Aborted) + goto L_ldm_makeabort; + /* S cycles from here on. */ + for (; temp < 16; temp++) + if (BIT (temp)) { + /* Load this register. */ + address += 4; + dest = ARMul_LoadWordS (state, address); + + if (!state->abortSig && !state->Aborted) + state->Reg[temp] = dest; + else if (!state->Aborted) { + /*XScale_set_fsr_far (state, + ARMul_CP15_R5_ST_ALIGN, + address);*/ + state->Aborted = ARMul_DataAbortV; + } + /*chy 2004-05-23 chy goto end */ + if (state->Aborted) + goto L_ldm_makeabort; - if (!state->abortSig && !state->Aborted) - state->Reg[temp++] = dest; - else if (!state->Aborted) { - XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address); - state->Aborted = ARMul_DataAbortV; - } -/*chy 2004-05-23 chy goto end*/ - if (state->Aborted) - goto L_ldm_makeabort; - /* S cycles from here on. */ - for (; temp < 16; temp++) - if (BIT (temp)) { - /* Load this register. */ - address += 4; - dest = ARMul_LoadWordS (state, address); - - if (!state->abortSig && !state->Aborted) - state->Reg[temp] = dest; - else if (!state->Aborted) { - XScale_set_fsr_far (state, - ARMul_CP15_R5_ST_ALIGN, - address); - state->Aborted = ARMul_DataAbortV; } - /*chy 2004-05-23 chy goto end */ - if (state->Aborted) - goto L_ldm_makeabort; - } + if (BIT (15) && !state->Aborted) + /* PC is in the reg list. */ + WriteR15Branch (state, PC); - if (BIT (15) && !state->Aborted) - /* PC is in the reg list. */ - WriteR15Branch(state, (state->Reg[15] & PCMASK)); + /* To write back the final register. */ + /* ARMul_Icycles (state, 1, 0L);*/ + /*chy 2004-05-23, see below + if (state->Aborted) + { + if (BIT (21) && LHSReg != 15) + LSBase = WBBase; - /* To write back the final register. */ -/* ARMul_Icycles (state, 1, 0L);*/ -/*chy 2004-05-23, see below - if (state->Aborted) - { - if (BIT (21) && LHSReg != 15) - LSBase = WBBase; + TAKEABORT; + } + */ + /*chy 2004-05-23 should compare the Abort Models*/ +L_ldm_makeabort: + /* To write back the final register. */ + ARMul_Icycles (state, 1, 0L); - TAKEABORT; - } -*/ -/*chy 2004-05-23 should compare the Abort Models*/ - L_ldm_makeabort: - /* To write back the final register. */ - ARMul_Icycles (state, 1, 0L); - - /* chy 2005-11-24, bug found by benjl@cse.unsw.edu.au, etc */ - /* - if (state->Aborted) - { - if (BIT (21) && LHSReg != 15) - if (!(state->abortSig && state->Aborted && state->lateabtSig == LOW)) - LSBase = WBBase; - TAKEABORT; - }else if (BIT (21) && LHSReg != 15) - LSBase = WBBase; - */ - if (state->Aborted) { - if (BIT (21) && LHSReg != 15) { - if (!(state->abortSig)) { + /* chy 2005-11-24, bug found by benjl@cse.unsw.edu.au, etc */ + /* + if (state->Aborted) + { + if (BIT (21) && LHSReg != 15) + if (!(state->abortSig && state->Aborted && state->lateabtSig == LOW)) + LSBase = WBBase; + TAKEABORT; + }else if (BIT (21) && LHSReg != 15) + LSBase = WBBase; + */ + if (state->Aborted) { + if (BIT (21) && LHSReg != 15) { + if (!(state->abortSig)) { + } } + TAKEABORT; + } else if (BIT (21) && LHSReg != 15) { + LSBase = WBBase; } - TAKEABORT; - } - else if (BIT (21) && LHSReg != 15) { - LSBase = WBBase; + /* chy 2005-11-24, over */ + } - /* chy 2005-11-24, over */ -} + /* This function does the work of loading the registers listed in an LDM + instruction, when the S bit is set. The code here is always increment + after, it's up to the caller to get the input address correct and to + handle base register modification. */ -/* This function does the work of loading the registers listed in an LDM - instruction, when the S bit is set. The code here is always increment - after, it's up to the caller to get the input address correct and to - handle base register modification. */ + static void + LoadSMult (ARMul_State * state, + ARMword instr, ARMword address, ARMword WBBase) { + ARMword dest, temp; -static void -LoadSMult (ARMul_State * state, - ARMword instr, ARMword address, ARMword WBBase) -{ - ARMword dest, temp; + //UNDEF_LSMNoRegs; + //UNDEF_LSMPCBase; + //UNDEF_LSMBaseInListWb; - //UNDEF_LSMNoRegs; - //UNDEF_LSMPCBase; - //UNDEF_LSMBaseInListWb; - - BUSUSEDINCPCS; + BUSUSEDINCPCS; #ifndef MODE32 - if (ADDREXCEPT (address)) - INTERNALABORT (address); + if (ADDREXCEPT (address)) + INTERNALABORT (address); #endif -/* chy 2004-05-23, may write twice - if (BIT (21) && LHSReg != 15) - LSBase = WBBase; -*/ - if (!BIT (15) && state->Bank != USERBANK) { - /* Temporary reg bank switch. */ - (void) ARMul_SwitchMode (state, state->Mode, USER26MODE); - UNDEF_LSMUserBankWb; - } + /* chy 2004-05-23, may write twice + if (BIT (21) && LHSReg != 15) + LSBase = WBBase; + */ + if (!BIT (15) && state->Bank != USERBANK) { + /* Temporary reg bank switch. */ + (void) ARMul_SwitchMode (state, state->Mode, USER26MODE); + UNDEF_LSMUserBankWb; + } - /* N cycle first. */ - for (temp = 0; !BIT (temp); temp++); + /* N cycle first. */ + for (temp = 0; !BIT (temp); temp++); - dest = ARMul_LoadWordN (state, address); + dest = ARMul_LoadWordN (state, address); - if (!state->abortSig) - state->Reg[temp++] = dest; - else if (!state->Aborted) { - XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address); - state->Aborted = ARMul_DataAbortV; - } + if (!state->abortSig) + state->Reg[temp++] = dest; + else if (!state->Aborted) { + //XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address); + state->Aborted = ARMul_DataAbortV; + } -/*chy 2004-05-23 chy goto end*/ - if (state->Aborted) - goto L_ldm_s_makeabort; - /* S cycles from here on. */ - for (; temp < 16; temp++) - if (BIT (temp)) { - /* Load this register. */ - address += 4; - dest = ARMul_LoadWordS (state, address); - - if (!state->abortSig && !state->Aborted) - state->Reg[temp] = dest; - else if (!state->Aborted) { - XScale_set_fsr_far (state, - ARMul_CP15_R5_ST_ALIGN, - address); - state->Aborted = ARMul_DataAbortV; + /*chy 2004-05-23 chy goto end*/ + if (state->Aborted) + goto L_ldm_s_makeabort; + /* S cycles from here on. */ + for (; temp < 16; temp++) + if (BIT (temp)) { + /* Load this register. */ + address += 4; + dest = ARMul_LoadWordS (state, address); + + if (!state->abortSig && !state->Aborted) + state->Reg[temp] = dest; + else if (!state->Aborted) { + /*XScale_set_fsr_far (state, + ARMul_CP15_R5_ST_ALIGN, + address);*/ + state->Aborted = ARMul_DataAbortV; + } + /*chy 2004-05-23 chy goto end */ + if (state->Aborted) + goto L_ldm_s_makeabort; } - /*chy 2004-05-23 chy goto end */ - if (state->Aborted) - goto L_ldm_s_makeabort; - } -/*chy 2004-05-23 label of ldm_s_makeabort*/ - L_ldm_s_makeabort: -/*chy 2004-06-06 LSBase process should be here, not in the end of this function. Because ARMul_CPSRAltered maybe change R13(SP) R14(lr). If not, simulate INSTR ldmia sp!,[....pc]^ error.*/ -/*chy 2004-05-23 should compare the Abort Models*/ - if (state->Aborted) { - if (BIT (21) && LHSReg != 15) - if (! - (state->abortSig && state->Aborted - && state->lateabtSig == LOW)) - LSBase = WBBase; - TAKEABORT; - } - else if (BIT (21) && LHSReg != 15) - LSBase = WBBase; + /*chy 2004-05-23 label of ldm_s_makeabort*/ +L_ldm_s_makeabort: + /*chy 2004-06-06 LSBase process should be here, not in the end of this function. Because ARMul_CPSRAltered maybe change R13(SP) R14(lr). If not, simulate INSTR ldmia sp!,[....pc]^ error.*/ + /*chy 2004-05-23 should compare the Abort Models*/ + if (state->Aborted) { + if (BIT (21) && LHSReg != 15) + if (! + (state->abortSig && state->Aborted + && state->lateabtSig == LOW)) + LSBase = WBBase; + TAKEABORT; + } else if (BIT (21) && LHSReg != 15) + LSBase = WBBase; - if (BIT (15) && !state->Aborted) { - /* PC is in the reg list. */ + if (BIT (15) && !state->Aborted) { + /* PC is in the reg list. */ #ifdef MODE32 //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode - if (state->Mode != USER26MODE && state->Mode != USER32MODE ){ - state->Cpsr = GETSPSR (state->Bank); - ARMul_CPSRAltered (state); - } + if (state->Mode != USER26MODE && state->Mode != USER32MODE ) { + state->Cpsr = GETSPSR (state->Bank); + //ARMul_CPSRAltered (state); + } - WriteR15 (state, (state->Reg[15] & PCMASK)); + WriteR15 (state, PC); #else //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode - if (state->Mode == USER26MODE || state->Mode == USER32MODE ) { - /* Protect bits in user mode. */ - ASSIGNN ((state->Reg[15] & NBIT) != 0); - ASSIGNZ ((state->Reg[15] & ZBIT) != 0); - ASSIGNC ((state->Reg[15] & CBIT) != 0); - ASSIGNV ((state->Reg[15] & VBIT) != 0); + if (state->Mode == USER26MODE || state->Mode == USER32MODE ) { + /* Protect bits in user mode. */ + ASSIGNN ((state->Reg[15] & NBIT) != 0); + ASSIGNZ ((state->Reg[15] & ZBIT) != 0); + ASSIGNC ((state->Reg[15] & CBIT) != 0); + ASSIGNV ((state->Reg[15] & VBIT) != 0); + } else + ARMul_R15Altered (state); + + FLUSHPIPE; +#endif } - else - ARMul_R15Altered (state); - FLUSHPIPE; -#endif - } + //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode + if (!BIT (15) && state->Mode != USER26MODE + && state->Mode != USER32MODE ) + /* Restore the correct bank. */ + (void) ARMul_SwitchMode (state, USER26MODE, state->Mode); - //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode - if (!BIT (15) && state->Mode != USER26MODE - && state->Mode != USER32MODE ) - /* Restore the correct bank. */ - (void) ARMul_SwitchMode (state, USER26MODE, state->Mode); - - /* To write back the final register. */ - ARMul_Icycles (state, 1, 0L); -/* chy 2004-05-23, see below - if (state->Aborted) - { - if (BIT (21) && LHSReg != 15) - LSBase = WBBase; + /* To write back the final register. */ + ARMul_Icycles (state, 1, 0L); + /* chy 2004-05-23, see below + if (state->Aborted) + { + if (BIT (21) && LHSReg != 15) + LSBase = WBBase; - TAKEABORT; + TAKEABORT; + } + */ } -*/ -} -/* This function does the work of storing the registers listed in an STM - instruction, when the S bit is clear. The code here is always increment - after, it's up to the caller to get the input address correct and to - handle base register modification. */ + /* This function does the work of storing the registers listed in an STM + instruction, when the S bit is clear. The code here is always increment + after, it's up to the caller to get the input address correct and to + handle base register modification. */ -static void -StoreMult (ARMul_State * state, - ARMword instr, ARMword address, ARMword WBBase) -{ - ARMword temp; + static void + StoreMult (ARMul_State * state, + ARMword instr, ARMword address, ARMword WBBase) { + ARMword temp; - UNDEF_LSMNoRegs; - UNDEF_LSMPCBase; - UNDEF_LSMBaseInListWb; + UNDEF_LSMNoRegs; + UNDEF_LSMPCBase; + UNDEF_LSMBaseInListWb; - if (!TFLAG) - /* N-cycle, increment the PC and update the NextInstr state. */ - BUSUSEDINCPCN; + if (!TFLAG) + /* N-cycle, increment the PC and update the NextInstr state. */ + BUSUSEDINCPCN; #ifndef MODE32 - if (VECTORACCESS (address) || ADDREXCEPT (address)) - INTERNALABORT (address); + if (VECTORACCESS (address) || ADDREXCEPT (address)) + INTERNALABORT (address); - if (BIT (15)) - PATCHR15; + if (BIT (15)) + PATCHR15; #endif - /* N cycle first. */ - for (temp = 0; !BIT (temp); temp++); + /* N cycle first. */ + for (temp = 0; !BIT (temp); temp++); #ifdef MODE32 - ARMul_StoreWordN (state, address, state->Reg[temp++]); + ARMul_StoreWordN (state, address, state->Reg[temp++]); #else - if (state->Aborted) { - (void) ARMul_LoadWordN (state, address); + if (state->Aborted) { + (void) ARMul_LoadWordN (state, address); - /* Fake the Stores as Loads. */ + /* Fake the Stores as Loads. */ + for (; temp < 16; temp++) + if (BIT (temp)) { + /* Save this register. */ + address += 4; + (void) ARMul_LoadWordS (state, address); + } + + if (BIT (21) && LHSReg != 15) + LSBase = WBBase; + TAKEABORT; + return; + } else + ARMul_StoreWordN (state, address, state->Reg[temp++]); +#endif + + if (state->abortSig && !state->Aborted) { + //XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address); + state->Aborted = ARMul_DataAbortV; + } + +//chy 2004-05-23, needn't store other when aborted + if (state->Aborted) + goto L_stm_takeabort; + + /* S cycles from here on. */ for (; temp < 16; temp++) if (BIT (temp)) { /* Save this register. */ address += 4; - (void) ARMul_LoadWordS (state, address); - } - if (BIT (21) && LHSReg != 15) - LSBase = WBBase; - TAKEABORT; - return; - } - else - ARMul_StoreWordN (state, address, state->Reg[temp++]); -#endif + ARMul_StoreWordS (state, address, state->Reg[temp]); - if (state->abortSig && !state->Aborted) { - XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address); - state->Aborted = ARMul_DataAbortV; - } + if (state->abortSig && !state->Aborted) { + /*XScale_set_fsr_far (state, + ARMul_CP15_R5_ST_ALIGN, + address);*/ + state->Aborted = ARMul_DataAbortV; + } + //chy 2004-05-23, needn't store other when aborted + if (state->Aborted) + goto L_stm_takeabort; -//chy 2004-05-23, needn't store other when aborted - if (state->Aborted) - goto L_stm_takeabort; - - /* S cycles from here on. */ - for (; temp < 16; temp++) - if (BIT (temp)) { - /* Save this register. */ - address += 4; - - ARMul_StoreWordS (state, address, state->Reg[temp]); - - if (state->abortSig && !state->Aborted) { - XScale_set_fsr_far (state, - ARMul_CP15_R5_ST_ALIGN, - address); - state->Aborted = ARMul_DataAbortV; } - //chy 2004-05-23, needn't store other when aborted - if (state->Aborted) - goto L_stm_takeabort; - - } //chy 2004-05-23,should compare the Abort Models - L_stm_takeabort: - if (BIT (21) && LHSReg != 15) { - if (! - (state->abortSig && state->Aborted - && state->lateabtSig == LOW)) - LSBase = WBBase; +L_stm_takeabort: + if (BIT (21) && LHSReg != 15) { + if (! + (state->abortSig && state->Aborted + && state->lateabtSig == LOW)) + LSBase = WBBase; + } + if (state->Aborted) + TAKEABORT; } - if (state->Aborted) - TAKEABORT; -} -/* This function does the work of storing the registers listed in an STM - instruction when the S bit is set. The code here is always increment - after, it's up to the caller to get the input address correct and to - handle base register modification. */ + /* This function does the work of storing the registers listed in an STM + instruction when the S bit is set. The code here is always increment + after, it's up to the caller to get the input address correct and to + handle base register modification. */ -static void -StoreSMult (ARMul_State * state, - ARMword instr, ARMword address, ARMword WBBase) -{ - ARMword temp; + static void + StoreSMult (ARMul_State * state, + ARMword instr, ARMword address, ARMword WBBase) { + ARMword temp; - UNDEF_LSMNoRegs; - UNDEF_LSMPCBase; - UNDEF_LSMBaseInListWb; + UNDEF_LSMNoRegs; + UNDEF_LSMPCBase; + UNDEF_LSMBaseInListWb; - BUSUSEDINCPCN; + BUSUSEDINCPCN; #ifndef MODE32 - if (VECTORACCESS (address) || ADDREXCEPT (address)) - INTERNALABORT (address); + if (VECTORACCESS (address) || ADDREXCEPT (address)) + INTERNALABORT (address); - if (BIT (15)) - PATCHR15; + if (BIT (15)) + PATCHR15; #endif - if (state->Bank != USERBANK) { - /* Force User Bank. */ - (void) ARMul_SwitchMode (state, state->Mode, USER26MODE); - UNDEF_LSMUserBankWb; - } + if (state->Bank != USERBANK) { + /* Force User Bank. */ + (void) ARMul_SwitchMode (state, state->Mode, USER26MODE); + UNDEF_LSMUserBankWb; + } - for (temp = 0; !BIT (temp); temp++); /* N cycle first. */ + for (temp = 0; !BIT (temp); temp++); /* N cycle first. */ #ifdef MODE32 - ARMul_StoreWordN (state, address, state->Reg[temp++]); + ARMul_StoreWordN (state, address, state->Reg[temp++]); #else - if (state->Aborted) { - (void) ARMul_LoadWordN (state, address); + if (state->Aborted) { + (void) ARMul_LoadWordN (state, address); + + for (; temp < 16; temp++) + /* Fake the Stores as Loads. */ + if (BIT (temp)) { + /* Save this register. */ + address += 4; + + (void) ARMul_LoadWordS (state, address); + } + + if (BIT (21) && LHSReg != 15) + LSBase = WBBase; + TAKEABORT; + return; + } else + ARMul_StoreWordN (state, address, state->Reg[temp++]); +#endif + + if (state->abortSig && !state->Aborted) { + //XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address); + state->Aborted = ARMul_DataAbortV; + } + +//chy 2004-05-23, needn't store other when aborted + if (state->Aborted) + goto L_stm_s_takeabort; + /* S cycles from here on. */ for (; temp < 16; temp++) - /* Fake the Stores as Loads. */ if (BIT (temp)) { /* Save this register. */ address += 4; - (void) ARMul_LoadWordS (state, address); + ARMul_StoreWordS (state, address, state->Reg[temp]); + + if (state->abortSig && !state->Aborted) { + /*XScale_set_fsr_far (state, + ARMul_CP15_R5_ST_ALIGN, + address);*/ + state->Aborted = ARMul_DataAbortV; + } + //chy 2004-05-23, needn't store other when aborted + if (state->Aborted) + goto L_stm_s_takeabort; } - if (BIT (21) && LHSReg != 15) - LSBase = WBBase; + //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode + if (state->Mode != USER26MODE && state->Mode != USER32MODE ) + /* Restore the correct bank. */ + (void) ARMul_SwitchMode (state, USER26MODE, state->Mode); + + +//chy 2004-05-23,should compare the Abort Models +L_stm_s_takeabort: + if (BIT (21) && LHSReg != 15) { + if (! + (state->abortSig && state->Aborted + && state->lateabtSig == LOW)) + LSBase = WBBase; + } - TAKEABORT; - return; + if (state->Aborted) + TAKEABORT; } - else - ARMul_StoreWordN (state, address, state->Reg[temp++]); -#endif - if (state->abortSig && !state->Aborted) { - XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address); - state->Aborted = ARMul_DataAbortV; + /* This function does the work of adding two 32bit values + together, and calculating if a carry has occurred. */ + + static ARMword + Add32 (ARMword a1, ARMword a2, int *carry) { + ARMword result = (a1 + a2); + unsigned int uresult = (unsigned int) result; + unsigned int ua1 = (unsigned int) a1; + + /* If (result == RdLo) and (state->Reg[nRdLo] == 0), + or (result > RdLo) then we have no carry. */ + if ((uresult == ua1) ? (a2 != 0) : (uresult < ua1)) + *carry = 1; + else + *carry = 0; + + return result; } -//chy 2004-05-23, needn't store other when aborted - if (state->Aborted) - goto L_stm_s_takeabort; - /* S cycles from here on. */ - for (; temp < 16; temp++) - if (BIT (temp)) { - /* Save this register. */ - address += 4; - - ARMul_StoreWordS (state, address, state->Reg[temp]); - - if (state->abortSig && !state->Aborted) { - XScale_set_fsr_far (state, - ARMul_CP15_R5_ST_ALIGN, - address); - state->Aborted = ARMul_DataAbortV; + /* This function does the work of multiplying + two 32bit values to give a 64bit result. */ + + static unsigned + Multiply64 (ARMul_State * state, ARMword instr, int msigned, int scc) { + /* Operand register numbers. */ + int nRdHi, nRdLo, nRs, nRm; + ARMword RdHi = 0, RdLo = 0, Rm; + /* Cycle count. */ + int scount; + + nRdHi = BITS (16, 19); + nRdLo = BITS (12, 15); + nRs = BITS (8, 11); + nRm = BITS (0, 3); + + /* Needed to calculate the cycle count. */ + Rm = state->Reg[nRm]; + + /* Check for illegal operand combinations first. */ + if (nRdHi != 15 + && nRdLo != 15 + && nRs != 15 + //&& nRm != 15 && nRdHi != nRdLo && nRdHi != nRm && nRdLo != nRm) { + && nRm != 15 && nRdHi != nRdLo ) { + /* Intermediate results. */ + ARMword lo, mid1, mid2, hi; + int carry; + ARMword Rs = state->Reg[nRs]; + int sign = 0; + + if (msigned) { + /* Compute sign of result and adjust operands if necessary. */ + sign = (Rm ^ Rs) & 0x80000000; + + if (((signed int) Rm) < 0) + Rm = -Rm; + + if (((signed int) Rs) < 0) + Rs = -Rs; } - //chy 2004-05-23, needn't store other when aborted - if (state->Aborted) - goto L_stm_s_takeabort; - } - //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode - if (state->Mode != USER26MODE && state->Mode != USER32MODE ) - /* Restore the correct bank. */ - (void) ARMul_SwitchMode (state, USER26MODE, state->Mode); + /* We can split the 32x32 into four 16x16 operations. This + ensures that we do not lose precision on 32bit only hosts. */ + lo = ((Rs & 0xFFFF) * (Rm & 0xFFFF)); + mid1 = ((Rs & 0xFFFF) * ((Rm >> 16) & 0xFFFF)); + mid2 = (((Rs >> 16) & 0xFFFF) * (Rm & 0xFFFF)); + hi = (((Rs >> 16) & 0xFFFF) * ((Rm >> 16) & 0xFFFF)); + + /* We now need to add all of these results together, taking + care to propogate the carries from the additions. */ + RdLo = Add32 (lo, (mid1 << 16), &carry); + RdHi = carry; + RdLo = Add32 (RdLo, (mid2 << 16), &carry); + RdHi += (carry + ((mid1 >> 16) & 0xFFFF) + + ((mid2 >> 16) & 0xFFFF) + hi); + + if (sign) { + /* Negate result if necessary. */ + RdLo = ~RdLo; + RdHi = ~RdHi; + if (RdLo == 0xFFFFFFFF) { + RdLo = 0; + RdHi += 1; + } else + RdLo += 1; + } + state->Reg[nRdLo] = RdLo; + state->Reg[nRdHi] = RdHi; + } else { + fprintf (stderr, "sim: MULTIPLY64 - INVALID ARGUMENTS, instr=0x%x\n", instr); + } + if (scc) + /* Ensure that both RdHi and RdLo are used to compute Z, + but don't let RdLo's sign bit make it to N. */ + ARMul_NegZero (state, RdHi | (RdLo >> 16) | (RdLo & 0xFFFF)); + + /* The cycle count depends on whether the instruction is a signed or + unsigned multiply, and what bits are clear in the multiplier. */ + if (msigned && (Rm & ((unsigned) 1 << 31))) + /* Invert the bits to make the check against zero. */ + Rm = ~Rm; + + if ((Rm & 0xFFFFFF00) == 0) + scount = 1; + else if ((Rm & 0xFFFF0000) == 0) + scount = 2; + else if ((Rm & 0xFF000000) == 0) + scount = 3; + else + scount = 4; -//chy 2004-05-23,should compare the Abort Models - L_stm_s_takeabort: - if (BIT (21) && LHSReg != 15) { - if (! - (state->abortSig && state->Aborted - && state->lateabtSig == LOW)) - LSBase = WBBase; + return 2 + scount; } - if (state->Aborted) - TAKEABORT; -} + /* This function does the work of multiplying two 32bit + values and adding a 64bit value to give a 64bit result. */ -/* This function does the work of adding two 32bit values - together, and calculating if a carry has occurred. */ + static unsigned + MultiplyAdd64 (ARMul_State * state, ARMword instr, int msigned, int scc) { + unsigned scount; + ARMword RdLo, RdHi; + int nRdHi, nRdLo; + int carry = 0; -static ARMword -Add32 (ARMword a1, ARMword a2, int *carry) -{ - ARMword result = (a1 + a2); - unsigned int uresult = (unsigned int) result; - unsigned int ua1 = (unsigned int) a1; - - /* If (result == RdLo) and (state->Reg[nRdLo] == 0), - or (result > RdLo) then we have no carry. */ - if ((uresult == ua1) ? (a2 != 0) : (uresult < ua1)) - *carry = 1; - else - *carry = 0; - - return result; -} + nRdHi = BITS (16, 19); + nRdLo = BITS (12, 15); -/* This function does the work of multiplying - two 32bit values to give a 64bit result. */ + RdHi = state->Reg[nRdHi]; + RdLo = state->Reg[nRdLo]; -static unsigned -Multiply64 (ARMul_State * state, ARMword instr, int msigned, int scc) -{ - /* Operand register numbers. */ - int nRdHi, nRdLo, nRs, nRm; - ARMword RdHi = 0, RdLo = 0, Rm; - /* Cycle count. */ - int scount; - - nRdHi = BITS (16, 19); - nRdLo = BITS (12, 15); - nRs = BITS (8, 11); - nRm = BITS (0, 3); - - /* Needed to calculate the cycle count. */ - Rm = state->Reg[nRm]; - - /* Check for illegal operand combinations first. */ - if (nRdHi != 15 - && nRdLo != 15 - && nRs != 15 - //&& nRm != 15 && nRdHi != nRdLo && nRdHi != nRm && nRdLo != nRm) { - && nRm != 15 && nRdHi != nRdLo ) { - /* Intermediate results. */ - ARMword lo, mid1, mid2, hi; - int carry; - ARMword Rs = state->Reg[nRs]; - int sign = 0; - - if (msigned) { - /* Compute sign of result and adjust operands if necessary. */ - sign = (Rm ^ Rs) & 0x80000000; - - if (((signed int) Rm) < 0) - Rm = -Rm; - - if (((signed int) Rs) < 0) - Rs = -Rs; - } + scount = Multiply64 (state, instr, msigned, LDEFAULT); - /* We can split the 32x32 into four 16x16 operations. This - ensures that we do not lose precision on 32bit only hosts. */ - lo = ((Rs & 0xFFFF) * (Rm & 0xFFFF)); - mid1 = ((Rs & 0xFFFF) * ((Rm >> 16) & 0xFFFF)); - mid2 = (((Rs >> 16) & 0xFFFF) * (Rm & 0xFFFF)); - hi = (((Rs >> 16) & 0xFFFF) * ((Rm >> 16) & 0xFFFF)); - - /* We now need to add all of these results together, taking - care to propogate the carries from the additions. */ - RdLo = Add32 (lo, (mid1 << 16), &carry); - RdHi = carry; - RdLo = Add32 (RdLo, (mid2 << 16), &carry); - RdHi += (carry + ((mid1 >> 16) & 0xFFFF) + - ((mid2 >> 16) & 0xFFFF) + hi); - - if (sign) { - /* Negate result if necessary. */ - RdLo = ~RdLo; - RdHi = ~RdHi; - if (RdLo == 0xFFFFFFFF) { - RdLo = 0; - RdHi += 1; - } - else - RdLo += 1; - } + RdLo = Add32 (RdLo, state->Reg[nRdLo], &carry); + RdHi = (RdHi + state->Reg[nRdHi]) + carry; state->Reg[nRdLo] = RdLo; state->Reg[nRdHi] = RdHi; + + if (scc) + /* Ensure that both RdHi and RdLo are used to compute Z, + but don't let RdLo's sign bit make it to N. */ + ARMul_NegZero (state, RdHi | (RdLo >> 16) | (RdLo & 0xFFFF)); + + /* Extra cycle for addition. */ + return scount + 1; } - else{ - fprintf (stderr, "sim: MULTIPLY64 - INVALID ARGUMENTS, instr=0x%x\n", instr); - } - if (scc) - /* Ensure that both RdHi and RdLo are used to compute Z, - but don't let RdLo's sign bit make it to N. */ - ARMul_NegZero (state, RdHi | (RdLo >> 16) | (RdLo & 0xFFFF)); - - /* The cycle count depends on whether the instruction is a signed or - unsigned multiply, and what bits are clear in the multiplier. */ - if (msigned && (Rm & ((unsigned) 1 << 31))) - /* Invert the bits to make the check against zero. */ - Rm = ~Rm; - - if ((Rm & 0xFFFFFF00) == 0) - scount = 1; - else if ((Rm & 0xFFFF0000) == 0) - scount = 2; - else if ((Rm & 0xFF000000) == 0) - scount = 3; - else - scount = 4; - - return 2 + scount; -} -/* This function does the work of multiplying two 32bit - values and adding a 64bit value to give a 64bit result. */ + /* Attempt to emulate an ARMv6 instruction. + Returns non-zero upon success. */ + + static int + handle_v6_insn (ARMul_State * state, ARMword instr) { + switch (BITS (20, 27)) { + //ichfly + case 0x66: //UQSUB8 + if ((instr & 0x0FF00FF0) == 0x06600FF0) { + u32 rd = (instr >> 12) & 0xF; + u32 rm = (instr >> 16) & 0xF; + u32 rn = (instr >> 0) & 0xF; + u32 subfrom = state->Reg[rm]; + u32 tosub = state->Reg[rn]; + + u8 b1 = (u8)((u8)(subfrom)-(u8)(tosub)); + if (b1 > (u8)(subfrom)) b1 = 0; + u8 b2 = (u8)((u8)(subfrom >> 8) - (u8)(tosub >> 8)); + if (b2 > (u8)(subfrom >> 8)) b2 = 0; + u8 b3 = (u8)((u8)(subfrom >> 16) - (u8)(tosub >> 16)); + if (b3 > (u8)(subfrom >> 16)) b3 = 0; + u8 b4 = (u8)((u8)(subfrom >> 24) - (u8)(tosub >> 24)); + if (b4 > (u8)(subfrom >> 24)) b4 = 0; + state->Reg[rd] = (u32)(b1 | b2 << 8 | b3 << 16 | b4 << 24); + return 1; + } else { + printf("UQSUB8 decoding fail %08X",instr); + } +#if 0 + case 0x03: + printf ("Unhandled v6 insn: ldr\n"); + break; + case 0x04: + printf ("Unhandled v6 insn: umaal\n"); + break; + case 0x06: + printf ("Unhandled v6 insn: mls/str\n"); + break; + case 0x16: + printf ("Unhandled v6 insn: smi\n"); + break; + case 0x18: + printf ("Unhandled v6 insn: strex\n"); + break; + case 0x19: + printf ("Unhandled v6 insn: ldrex\n"); + break; + case 0x1a: + printf ("Unhandled v6 insn: strexd\n"); + break; + case 0x1b: + printf ("Unhandled v6 insn: ldrexd\n"); + break; + case 0x1c: + printf ("Unhandled v6 insn: strexb\n"); + break; + case 0x1d: + printf ("Unhandled v6 insn: ldrexb\n"); + break; + case 0x1e: + printf ("Unhandled v6 insn: strexh\n"); + break; + case 0x1f: + printf ("Unhandled v6 insn: ldrexh\n"); + break; + case 0x30: + printf ("Unhandled v6 insn: movw\n"); + break; + case 0x32: + printf ("Unhandled v6 insn: nop/sev/wfe/wfi/yield\n"); + break; + case 0x34: + printf ("Unhandled v6 insn: movt\n"); + break; + case 0x3f: + printf ("Unhandled v6 insn: rbit\n"); + break; + case 0x61: + printf ("Unhandled v6 insn: sadd/ssub\n"); + break; + case 0x62: + printf ("Unhandled v6 insn: qadd/qsub\n"); + break; + case 0x63: + printf ("Unhandled v6 insn: shadd/shsub\n"); + break; + case 0x65: + printf ("Unhandled v6 insn: uadd/usub\n"); + break; + case 0x66: + printf ("Unhandled v6 insn: uqadd/uqsub\n"); + break; + case 0x67: + printf ("Unhandled v6 insn: uhadd/uhsub\n"); + break; + case 0x68: + printf ("Unhandled v6 insn: pkh/sxtab/selsxtb\n"); + break; +#endif + case 0x6c: + printf ("Unhandled v6 insn: uxtb16/uxtab16\n"); + break; + case 0x70: + printf ("Unhandled v6 insn: smuad/smusd/smlad/smlsd\n"); + break; + case 0x74: + printf ("Unhandled v6 insn: smlald/smlsld\n"); + break; + case 0x75: + printf ("Unhandled v6 insn: smmla/smmls/smmul\n"); + break; + case 0x78: + printf ("Unhandled v6 insn: usad/usada8\n"); + break; +#if 0 + case 0x7a: + printf ("Unhandled v6 insn: usbfx\n"); + break; + case 0x7c: + printf ("Unhandled v6 insn: bfc/bfi\n"); + break; +#endif -static unsigned -MultiplyAdd64 (ARMul_State * state, ARMword instr, int msigned, int scc) -{ - unsigned scount; - ARMword RdLo, RdHi; - int nRdHi, nRdLo; - int carry = 0; - nRdHi = BITS (16, 19); - nRdLo = BITS (12, 15); + /* add new instr for arm v6. */ + ARMword lhs, temp; + case 0x18: { /* ORR reg */ + /* dyf add armv6 instr strex 2010.9.17 */ + if (BITS (4, 7) == 0x9) { + u32 l = LHSReg; + u32 r = RHSReg; + lhs = LHS; - RdHi = state->Reg[nRdHi]; - RdLo = state->Reg[nRdLo]; + bool enter = false; - scount = Multiply64 (state, instr, msigned, LDEFAULT); + if (state->currentexval == (u32)ARMul_ReadWord(state, state->currentexaddr))enter = true; + ARMul_StoreWordS(state, lhs, RHS); + //StoreWord(state, lhs, RHS) + if (state->Aborted) { + TAKEABORT; + } + + if (enter) + { + state->Reg[DESTReg] = 0; + } + else + { + state->Reg[DESTReg] = 1; + } - RdLo = Add32 (RdLo, state->Reg[nRdLo], &carry); - RdHi = (RdHi + state->Reg[nRdHi]) + carry; + return 1; + } + break; + } - state->Reg[nRdLo] = RdLo; - state->Reg[nRdHi] = RdHi; + case 0x19: { /* orrs reg */ + /* dyf add armv6 instr ldrex */ + if (BITS (4, 7) == 0x9) { + lhs = LHS; - if (scc) - /* Ensure that both RdHi and RdLo are used to compute Z, - but don't let RdLo's sign bit make it to N. */ - ARMul_NegZero (state, RdHi | (RdLo >> 16) | (RdLo & 0xFFFF)); + state->currentexaddr = lhs; + state->currentexval = ARMul_ReadWord(state, lhs); - /* Extra cycle for addition. */ - return scount + 1; -} + LoadWord (state, instr, lhs); + return 1; + } + break; + } -/* Attempt to emulate an ARMv6 instruction. - Returns non-zero upon success. */ + case 0x1c: { /* BIC reg */ + /* dyf add for STREXB */ + if (BITS (4, 7) == 0x9) { + lhs = LHS; -static int -handle_v6_insn (ARMul_State * state, ARMword instr) -{ - switch (BITS (20, 27)) - { -#if 0 - case 0x03: printf ("Unhandled v6 insn: ldr\n"); break; - case 0x04: printf ("Unhandled v6 insn: umaal\n"); break; - case 0x06: printf ("Unhandled v6 insn: mls/str\n"); break; - case 0x16: printf ("Unhandled v6 insn: smi\n"); break; - case 0x18: printf ("Unhandled v6 insn: strex\n"); break; - case 0x19: printf ("Unhandled v6 insn: ldrex\n"); break; - case 0x1a: printf ("Unhandled v6 insn: strexd\n"); break; - case 0x1b: printf ("Unhandled v6 insn: ldrexd\n"); break; - case 0x1c: printf ("Unhandled v6 insn: strexb\n"); break; - case 0x1d: printf ("Unhandled v6 insn: ldrexb\n"); break; - case 0x1e: printf ("Unhandled v6 insn: strexh\n"); break; - case 0x1f: printf ("Unhandled v6 insn: ldrexh\n"); break; - case 0x30: printf ("Unhandled v6 insn: movw\n"); break; - case 0x32: printf ("Unhandled v6 insn: nop/sev/wfe/wfi/yield\n"); break; - case 0x34: printf ("Unhandled v6 insn: movt\n"); break; - case 0x3f: printf ("Unhandled v6 insn: rbit\n"); break; - case 0x61: printf ("Unhandled v6 insn: sadd/ssub\n"); break; - case 0x62: printf ("Unhandled v6 insn: qadd/qsub\n"); break; - case 0x63: printf ("Unhandled v6 insn: shadd/shsub\n"); break; - case 0x65: printf ("Unhandled v6 insn: uadd/usub\n"); break; - case 0x66: printf ("Unhandled v6 insn: uqadd/uqsub\n"); break; - case 0x67: printf ("Unhandled v6 insn: uhadd/uhsub\n"); break; - case 0x68: printf ("Unhandled v6 insn: pkh/sxtab/selsxtb\n"); break; -#endif - case 0x6c: printf ("Unhandled v6 insn: uxtb16/uxtab16\n"); break; - case 0x70: printf ("Unhandled v6 insn: smuad/smusd/smlad/smlsd\n"); break; - case 0x74: printf ("Unhandled v6 insn: smlald/smlsld\n"); break; - case 0x75: printf ("Unhandled v6 insn: smmla/smmls/smmul\n"); break; - case 0x78: printf ("Unhandled v6 insn: usad/usada8\n"); break; -#if 0 - case 0x7a: printf ("Unhandled v6 insn: usbfx\n"); break; - case 0x7c: printf ("Unhandled v6 insn: bfc/bfi\n"); break; -#endif + bool enter = false; + if (state->currentexval == (u32)ARMul_ReadByte(state, state->currentexaddr))enter = true; -/* add new instr for arm v6. */ - ARMword lhs, temp; - case 0x18: /* ORR reg */ - { - /* dyf add armv6 instr strex 2010.9.17 */ - if (BITS (4, 7) == 0x9) { - lhs = LHS; - ARMul_StoreWordS(state, lhs, RHS); - //StoreWord(state, lhs, RHS) - if (state->Aborted) { - TAKEABORT; + ARMul_StoreByte (state, lhs, RHS); + BUSUSEDINCPCN; + if (state->Aborted) { + TAKEABORT; + } + + + if (enter) + { + state->Reg[DESTReg] = 0; + } + else + { + state->Reg[DESTReg] = 1; + } + + //printf("In %s, strexb not implemented\n", __FUNCTION__); + UNDEF_LSRBPC; + /* WRITESDEST (dest); */ + return 1; + } + break; } - // FIX(Normmatt): Handle RD in STREX/STREXB - state->Reg[DESTReg] = 0; //Always succeed - return 1; - } - break; - } - - case 0x19: /* orrs reg */ - { - /* dyf add armv6 instr ldrex */ - if (BITS (4, 7) == 0x9) { - lhs = LHS; - LoadWord (state, instr, lhs); - return 1; - } - break; - } - - case 0x1c: /* BIC reg */ - { - /* dyf add for STREXB */ - if (BITS (4, 7) == 0x9) { - lhs = LHS; - ARMul_StoreByte (state, lhs, RHS); - BUSUSEDINCPCN; - if (state->Aborted) { - TAKEABORT; + case 0x1d: { /* BICS reg */ + if ((BITS (4, 7)) == 0x9) { + /* ldrexb */ + temp = LHS; + LoadByte (state, instr, temp, LUNSIGNED); + + state->currentexaddr = temp; + state->currentexval = (u32)ARMul_ReadByte(state, temp); + + //state->Reg[BITS(12, 15)] = ARMul_LoadByte(state, state->Reg[BITS(16, 19)]); + //printf("ldrexb\n"); + //printf("instr is %x rm is %d\n", instr, BITS(16, 19)); + //exit(-1); + + //printf("In %s, ldrexb not implemented\n", __FUNCTION__); + return 1; + } + break; + } + /* add end */ + + case 0x6a: { + ARMword Rm; + int ror = -1; + + switch (BITS (4, 11)) { + case 0x07: + ror = 0; + break; + case 0x47: + ror = 8; + break; + case 0x87: + ror = 16; + break; + case 0xc7: + ror = 24; + break; + + case 0x01: + case 0xf3: + printf ("Unhandled v6 insn: ssat\n"); + return 0; + default: + break; + } + + if (ror == -1) { + if (BITS (4, 6) == 0x7) { + printf ("Unhandled v6 insn: ssat\n"); + return 0; + } + break; + } + + Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFF); + if (Rm & 0x80) + Rm |= 0xffffff00; + + if (BITS (16, 19) == 0xf) + /* SXTB */ + state->Reg[BITS (12, 15)] = Rm; + else + /* SXTAB */ + state->Reg[BITS (12, 15)] += Rm; } - // FIX(Normmatt): Handle RD in STREX/STREXB - state->Reg[DESTReg] = 0; //Always succeed - //printf("In %s, strexb not implemented\n", __FUNCTION__); - UNDEF_LSRBPC; - /* WRITESDEST (dest); */ - return 1; - } - break; - } - - case 0x1d: /* BICS reg */ - { - if ((BITS (4, 7)) == 0x9) { - /* ldrexb */ - temp = LHS; - LoadByte (state, instr, temp, LUNSIGNED); - //state->Reg[BITS(12, 15)] = ARMul_LoadByte(state, state->Reg[BITS(16, 19)]); - //printf("ldrexb\n"); - //printf("instr is %x rm is %d\n", instr, BITS(16, 19)); - //exit(-1); - - //printf("In %s, ldrexb not implemented\n", __FUNCTION__); return 1; - } - break; - } -/* add end */ - - case 0x6a: - { - ARMword Rm; - int ror = -1; - - switch (BITS (4, 11)) - { - case 0x07: ror = 0; break; - case 0x47: ror = 8; break; - case 0x87: ror = 16; break; - case 0xc7: ror = 24; break; - - case 0x01: - case 0xf3: - printf ("Unhandled v6 insn: ssat\n"); - return 0; - default: - break; - } - - if (ror == -1) - { - if (BITS (4, 6) == 0x7) - { - printf ("Unhandled v6 insn: ssat\n"); - return 0; - } - break; - } - - Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFF); - if (Rm & 0x80) - Rm |= 0xffffff00; - - if (BITS (16, 19) == 0xf) - /* SXTB */ - state->Reg[BITS (12, 15)] = Rm; - else - /* SXTAB */ - state->Reg[BITS (12, 15)] += Rm; - } - return 1; - - case 0x6b: - { - ARMword Rm; - int ror = -1; - - switch (BITS (4, 11)) - { - case 0x07: ror = 0; break; - case 0x47: ror = 8; break; - case 0x87: ror = 16; break; - case 0xc7: ror = 24; break; - - case 0xf3: - DEST = ((RHS & 0xFF) << 24) | ((RHS & 0xFF00)) << 8 | ((RHS & 0xFF0000) >> 8) | ((RHS & 0xFF000000) >> 24); + + case 0x6b: { + ARMword Rm; + int ror = -1; + + switch (BITS (4, 11)) { + case 0x07: + ror = 0; + break; + case 0x47: + ror = 8; + break; + case 0x87: + ror = 16; + break; + case 0xc7: + ror = 24; + break; + + case 0xf3: + DEST = ((RHS & 0xFF) << 24) | ((RHS & 0xFF00)) << 8 | ((RHS & 0xFF0000) >> 8) | ((RHS & 0xFF000000) >> 24); + return 1; + case 0xfb: + DEST = ((RHS & 0xFF) << 8) | ((RHS & 0xFF00)) >> 8 | ((RHS & 0xFF0000) << 8) | ((RHS & 0xFF000000) >> 8); + return 1; + default: + break; + } + + if (ror == -1) + break; + + Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFFFF); + if (Rm & 0x8000) + Rm |= 0xffff0000; + + if (BITS (16, 19) == 0xf) + /* SXTH */ + state->Reg[BITS (12, 15)] = Rm; + else + /* SXTAH */ + state->Reg[BITS (12, 15)] = state->Reg[BITS (16, 19)] + Rm; + } return 1; - case 0xfb: - DEST = ((RHS & 0xFF) << 8) | ((RHS & 0xFF00)) >> 8 | ((RHS & 0xFF0000) << 8) | ((RHS & 0xFF000000) >> 8); + + case 0x6e: { + ARMword Rm; + int ror = -1; + + switch (BITS (4, 11)) { + case 0x07: + ror = 0; + break; + case 0x47: + ror = 8; + break; + case 0x87: + ror = 16; + break; + case 0xc7: + ror = 24; + break; + + case 0x01: + case 0xf3: + printf ("Unhandled v6 insn: usat\n"); + return 0; + default: + break; + } + + if (ror == -1) { + if (BITS (4, 6) == 0x7) { + printf ("Unhandled v6 insn: usat\n"); + return 0; + } + break; + } + + Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFF); + + if (BITS (16, 19) == 0xf) + /* UXTB */ + state->Reg[BITS (12, 15)] = Rm; + else + /* UXTAB */ + state->Reg[BITS (12, 15)] = state->Reg[BITS (16, 19)] + Rm; + } return 1; - default: - break; - } - - if (ror == -1) - break; - - Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFFFF); - if (Rm & 0x8000) - Rm |= 0xffff0000; - - if (BITS (16, 19) == 0xf) - /* SXTH */ - state->Reg[BITS (12, 15)] = Rm; - else - /* SXTAH */ - state->Reg[BITS (12, 15)] = state->Reg[BITS (16, 19)] + Rm; - } - return 1; - - case 0x6e: - { - ARMword Rm; - int ror = -1; - - switch (BITS (4, 11)) - { - case 0x07: ror = 0; break; - case 0x47: ror = 8; break; - case 0x87: ror = 16; break; - case 0xc7: ror = 24; break; - - case 0x01: - case 0xf3: - printf ("Unhandled v6 insn: usat\n"); - return 0; - default: - break; - } - - if (ror == -1) - { - if (BITS (4, 6) == 0x7) - { - printf ("Unhandled v6 insn: usat\n"); - return 0; - } - break; - } - - Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFF); - - if (BITS (16, 19) == 0xf) - /* UXTB */ - state->Reg[BITS (12, 15)] = Rm; - else - /* UXTAB */ - state->Reg[BITS (12, 15)] = state->Reg[BITS (16, 19)] + Rm; - } - return 1; - - case 0x6f: - { - ARMword Rm; - int ror = -1; - - switch (BITS (4, 11)) - { - case 0x07: ror = 0; break; - case 0x47: ror = 8; break; - case 0x87: ror = 16; break; - case 0xc7: ror = 24; break; - - case 0xfb: - printf ("Unhandled v6 insn: revsh\n"); - return 0; - default: - break; - } - - if (ror == -1) - break; - - Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFFFF); - - /* UXT */ - /* state->Reg[BITS (12, 15)] = Rm; */ - /* dyf add */ - if (BITS (16, 19) == 0xf) { - state->Reg[BITS (12, 15)] = (Rm >> (8 * BITS(10, 11))) & 0x0000FFFF; - } else { - /* UXTAH */ - /* state->Reg[BITS (12, 15)] = state->Reg [BITS (16, 19)] + Rm; */ + + case 0x6f: { + ARMword Rm; + int ror = -1; + + switch (BITS (4, 11)) { + case 0x07: + ror = 0; + break; + case 0x47: + ror = 8; + break; + case 0x87: + ror = 16; + break; + case 0xc7: + ror = 24; + break; + + case 0xfb: + printf ("Unhandled v6 insn: revsh\n"); + return 0; + default: + break; + } + + if (ror == -1) + break; + + Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFFFF); + + /* UXT */ + /* state->Reg[BITS (12, 15)] = Rm; */ + /* dyf add */ + if (BITS (16, 19) == 0xf) { + state->Reg[BITS (12, 15)] = (Rm >> (8 * BITS(10, 11))) & 0x0000FFFF; + } else { + /* UXTAH */ + /* state->Reg[BITS (12, 15)] = state->Reg [BITS (16, 19)] + Rm; */ // printf("rd is %x rn is %x rm is %x rotate is %x\n", state->Reg[BITS (12, 15)], state->Reg[BITS (16, 19)] // , Rm, BITS(10, 11)); // printf("icounter is %lld\n", state->NumInstrs); - state->Reg[BITS (12, 15)] = (state->Reg[BITS (16, 19)] >> (8 * (BITS(10, 11)))) + Rm; + state->Reg[BITS (12, 15)] = (state->Reg[BITS (16, 19)] >> (8 * (BITS(10, 11)))) + Rm; // printf("rd is %x\n", state->Reg[BITS (12, 15)]); // exit(-1); - } - } - return 1; + } + } + return 1; #if 0 - case 0x84: printf ("Unhandled v6 insn: srs\n"); break; + case 0x84: + printf ("Unhandled v6 insn: srs\n"); + break; #endif - default: - break; + default: + break; + } + printf("Unhandled v6 insn: UNKNOWN: %08x %08X\n", instr, BITS(20, 27)); + return 0; } - printf ("Unhandled v6 insn: UNKNOWN: %08x\n", instr); - return 0; -} diff --git a/src/core/arm/interpreter/armemu.h b/src/core/arm/interpreter/armemu.h index 7ccb07e8d..36fb2d09b 100644 --- a/src/core/arm/interpreter/armemu.h +++ b/src/core/arm/interpreter/armemu.h @@ -18,10 +18,12 @@ #define __ARMEMU_H__ -#include "core/arm/interpreter/skyeye_defs.h" -#include "core/arm/interpreter/armdefs.h" +#include "armdefs.h" +//#include "skyeye.h" -extern ARMword isize; +//extern ARMword isize; + +#define DEBUG(...) DEBUG_LOG(ARM11, __VA_ARGS__) /* Condition code values. */ #define EQ 0 @@ -228,17 +230,6 @@ extern ARMword isize; } \ while (0) -#define SETABORT_SKIPBRANCH(i, m, d) \ - do \ - { \ - int SETABORT_mode = (m); \ - \ - ARMul_SetSPSR (state, SETABORT_mode, ARMul_GetCPSR (state)); \ - ARMul_SetCPSR (state, ((ARMul_GetCPSR (state) & ~(EMODE | TBIT)) \ - | (i) | SETABORT_mode)); \ - } \ - while (0) - #ifndef MODE32 #define VECTORS 0x20 #define LEGALADDR 0x03ffffff @@ -306,7 +297,7 @@ extern ARMword isize; if (! state->is_v4) \ { \ /* A standard PC inc and an S cycle. */ \ - state->Reg[15] += isize; \ + state->Reg[15] += INSN_SIZE; \ state->NextInstr = (state->NextInstr & 0xff) | 2; \ } \ } \ @@ -320,7 +311,7 @@ extern ARMword isize; else \ { \ /* A standard PC inc and an N cycle. */ \ - state->Reg[15] += isize; \ + state->Reg[15] += INSN_SIZE; \ state->NextInstr |= 3; \ } \ } \ @@ -330,7 +321,7 @@ extern ARMword isize; do \ { \ /* A standard PC inc. */ \ - state->Reg[15] += isize; \ + state->Reg[15] += INSN_SIZE; \ state->NextInstr |= 2; \ } \ while (0) @@ -420,9 +411,7 @@ extern ARMword isize; || (read_cp15_reg (15, 0, 1) & (1 << (CP)))) */ #define CP_ACCESS_ALLOWED(STATE, CP) \ - ( ((CP) >= 14) \ - || (! (STATE)->is_XScale) \ - || (xscale_cp15_cp_access_allowed(STATE,15,CP))) + ( ((CP) >= 14) ) \ /* Macro to rotate n right by b bits. */ #define ROTATER(n, b) (((n) >> (b)) | ((n) << (32 - (b)))) diff --git a/src/core/arm/interpreter/arminit.cpp b/src/core/arm/interpreter/arminit.cpp index e05667bea..6fbab3bfb 100644 --- a/src/core/arm/interpreter/arminit.cpp +++ b/src/core/arm/interpreter/arminit.cpp @@ -1,30 +1,21 @@ /* arminit.c -- ARMulator initialization: ARM6 Instruction Emulator. Copyright (C) 1994 Advanced RISC Machines Ltd. - + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "common/platform.h" - -#if EMU_PLATFORM == PLATFORM_LINUX -#include <unistd.h> -#elif EMU_PLATFORM == PLATFORM_WINDOWS -#include <windows.h> -#endif - -#include <math.h> +//#include <unistd.h> #include "core/arm/interpreter/armdefs.h" #include "core/arm/interpreter/armemu.h" @@ -42,9 +33,9 @@ ARMword ARMul_DoProg (ARMul_State * state); ARMword ARMul_DoInstr (ARMul_State * state); void ARMul_Abort (ARMul_State * state, ARMword address); -unsigned ARMul_MultTable[32] = - { 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, - 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 16 +unsigned ARMul_MultTable[32] = { + 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, + 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 16 }; ARMword ARMul_ImmedTable[4096]; /* immediate DP LHS values */ char ARMul_BitList[256]; /* number of bits in a byte table */ @@ -56,78 +47,34 @@ extern int remote_interrupt( void ); void arm_dyncom_Abort(ARMul_State * state, ARMword vector) { - ARMul_Abort(state, vector); + ARMul_Abort(state, vector); } -/* ahe-ykl : the following code to initialize user mode +/* ahe-ykl : the following code to initialize user mode code is architecture dependent and probably model dependant. */ -//#include "skyeye_arch.h" -//#include "skyeye_pref.h" -//#include "skyeye_exec_info.h" -//#include "bank_defs.h" -#include "armcpu.h" +/*#include "skyeye_arch.h" +#include "skyeye_pref.h" +#include "skyeye_exec_info.h" +#include "bank_defs.h"*/ +//#include "armcpu.h" //#include "skyeye_callback.h" -//void arm_user_mode_init(generic_arch_t * arch_instance) -//{ -// sky_pref_t *pref = get_skyeye_pref(); -// -// if (pref->user_mode_sim) -// { -// sky_exec_info_t *info = get_skyeye_exec_info(); -// info->arch_page_size = 0x1000; -// info->arch_stack_top = 0x1ffffff0;// + 0x401fe7 - 0xff0; /* arbitrary value */ -// /* stack initial address specific to architecture may be placed here */ -// -// /* we need to mmap the stack space, if we are using skyeye space */ -// if (info->mmap_access) -// { -// /* get system stack size */ -// size_t stacksize = 0; -// pthread_attr_t attr; -// pthread_attr_init(&attr); -// pthread_attr_getstacksize(&attr, &stacksize); -// if (stacksize > info->arch_stack_top) -// { -// printf("arch_stack_top is too low\n"); -// stacksize = info->arch_stack_top; -// } -// -// /* Note: Skyeye is occupating 0x400000 to 0x600000 */ -// /* We do a mmap */ -// void* ret = mmap( (info->arch_stack_top) - stacksize, -// stacksize + 0x1000 , PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); -// if (ret == MAP_FAILED){ -// /* ideally, we should find an empty space until it works */ -// printf("mmap error, stack couldn't be mapped: errno %d\n", errno); -// exit(-1); -// } else { -// memset(ret, '\0', stacksize); -// //printf("stack top has been defined at %x size %x\n", (uint32_t) ret + stacksize, stacksize); -// //info->arch_stack_top = (uint32_t) ret + stacksize; -// } -// } -// -// exec_stack_init(); -// -// ARM_CPU_State* cpu = get_current_cpu(); -// arm_core_t* core = &cpu->core[0]; -// -// uint32_t sp = info->initial_sp; -// -// core->Cpsr = 0x10; /* User mode */ -// /* FIXME: may need to add thumb */ -// core->Reg[13] = sp; -// core->Reg[10] = info->start_data; -// core->Reg[0] = 0; -// bus_read(32, sp + 4, &(core->Reg[1])); -// bus_read(32, sp + 8, &(core->Reg[2])); -// } -// -//} +/* + ARM_CPU_State* cpu = get_current_cpu(); + arm_core_t* core = &cpu->core[0]; + uint32_t sp = info->initial_sp; + + core->Cpsr = 0x10; // User mode +// FIXME: may need to add thumb +core->Reg[13] = sp; +core->Reg[10] = info->start_data; +core->Reg[0] = 0; +bus_read(32, sp + 4, &(core->Reg[1])); +bus_read(32, sp + 8, &(core->Reg[2])); +*/ /***************************************************************************\ * Call this routine once to set up the emulator's tables. * \***************************************************************************/ @@ -135,20 +82,20 @@ void arm_dyncom_Abort(ARMul_State * state, ARMword vector) void ARMul_EmulateInit (void) { - unsigned int i, j; + unsigned int i, j; - for (i = 0; i < 4096; i++) { /* the values of 12 bit dp rhs's */ - ARMul_ImmedTable[i] = ROTATER (i & 0xffL, (i >> 7L) & 0x1eL); - } + for (i = 0; i < 4096; i++) { /* the values of 12 bit dp rhs's */ + ARMul_ImmedTable[i] = ROTATER (i & 0xffL, (i >> 7L) & 0x1eL); + } - for (i = 0; i < 256; ARMul_BitList[i++] = 0); /* how many bits in LSM */ - for (j = 1; j < 256; j <<= 1) - for (i = 0; i < 256; i++) - if ((i & j) > 0) - ARMul_BitList[i]++; + for (i = 0; i < 256; ARMul_BitList[i++] = 0); /* how many bits in LSM */ + for (j = 1; j < 256; j <<= 1) + for (i = 0; i < 256; i++) + if ((i & j) > 0) + ARMul_BitList[i]++; - for (i = 0; i < 256; i++) - ARMul_BitList[i] *= 4; /* you always need 4 times these values */ + for (i = 0; i < 256; i++) + ARMul_BitList[i] *= 4; /* you always need 4 times these values */ } @@ -159,80 +106,82 @@ ARMul_EmulateInit (void) ARMul_State * ARMul_NewState (ARMul_State *state) { - unsigned i, j; - - memset (state, 0, sizeof (ARMul_State)); - - state->Emulate = RUN; - for (i = 0; i < 16; i++) { - state->Reg[i] = 0; - for (j = 0; j < 7; j++) - state->RegBank[j][i] = 0; - } - for (i = 0; i < 7; i++) - state->Spsr[i] = 0; - state->Mode = 0; - - state->CallDebug = FALSE; - state->Debug = FALSE; - state->VectorCatch = 0; - state->Aborted = FALSE; - state->Reseted = FALSE; - state->Inted = 3; - state->LastInted = 3; - - state->CommandLine = NULL; - - state->EventSet = 0; - state->Now = 0; - state->EventPtr = - (struct EventNode **) malloc ((unsigned) EVENTLISTSIZE * - sizeof (struct EventNode *)); + unsigned i, j; + + memset (state, 0, sizeof (ARMul_State)); + + state->Emulate = RUN; + for (i = 0; i < 16; i++) { + state->Reg[i] = 0; + for (j = 0; j < 7; j++) + state->RegBank[j][i] = 0; + } + for (i = 0; i < 7; i++) + state->Spsr[i] = 0; + state->Mode = 0; + + state->CallDebug = FALSE; + state->Debug = FALSE; + state->VectorCatch = 0; + state->Aborted = FALSE; + state->Reseted = FALSE; + state->Inted = 3; + state->LastInted = 3; + + state->CommandLine = NULL; + + state->EventSet = 0; + state->Now = 0; + state->EventPtr = + (struct EventNode **) malloc ((unsigned) EVENTLISTSIZE * + sizeof (struct EventNode *)); #if DIFF_STATE - state->state_log = fopen("/data/state.log", "w"); - printf("create pc log file.\n"); + state->state_log = fopen("/data/state.log", "w"); + printf("create pc log file.\n"); #endif - if (state->EventPtr == NULL) { - printf ("SKYEYE: ARMul_NewState malloc state->EventPtr error\n"); - exit(-1); - } - for (i = 0; i < EVENTLISTSIZE; i++) - *(state->EventPtr + i) = NULL; + if (state->EventPtr == NULL) { + printf ("SKYEYE: ARMul_NewState malloc state->EventPtr error\n"); + exit(-1); + //skyeye_exit (-1); + } + for (i = 0; i < EVENTLISTSIZE; i++) + *(state->EventPtr + i) = NULL; #if SAVE_LOG - state->state_log = fopen("/tmp/state.log", "w"); - printf("create pc log file.\n"); + state->state_log = fopen("/tmp/state.log", "w"); + printf("create pc log file.\n"); #else #if DIFF_LOG - state->state_log = fopen("/tmp/state.log", "r"); - printf("loaded pc log file.\n"); + state->state_log = fopen("/tmp/state.log", "r"); + printf("loaded pc log file.\n"); #endif #endif #ifdef ARM61 - state->prog32Sig = LOW; - state->data32Sig = LOW; + state->prog32Sig = LOW; + state->data32Sig = LOW; #else - state->prog32Sig = HIGH; - state->data32Sig = HIGH; + state->prog32Sig = HIGH; + state->data32Sig = HIGH; #endif - state->lateabtSig = HIGH; - state->bigendSig = LOW; - - //chy:2003-08-19 - state->LastTime = 0; - state->CP14R0_CCD = -1; - - /* ahe-ykl: common function for interpret and dyncom */ - //sky_pref_t *pref = get_skyeye_pref(); - //if (pref->user_mode_sim) - // register_callback(arm_user_mode_init, Bootmach_callback); - - memset(&state->exclusive_tag_array[0], 0xFF, sizeof(state->exclusive_tag_array[0]) * 128); - state->exclusive_access_state = 0; - //state->cpu = (cpu_config_t *) malloc (sizeof (cpu_config_t)); - //state->mem_bank = (mem_config_t *) malloc (sizeof (mem_config_t)); - return (state); + state->lateabtSig = HIGH; + state->bigendSig = LOW; + + //chy:2003-08-19 + state->LastTime = 0; + state->CP14R0_CCD = -1; + + /* ahe-ykl: common function for interpret and dyncom */ + /*sky_pref_t *pref = get_skyeye_pref(); + if (pref->user_mode_sim) + register_callback(arm_user_mode_init, Bootmach_callback); + */ + + memset(&state->exclusive_tag_array[0], 0xFF, sizeof(state->exclusive_tag_array[0]) * 128); + state->exclusive_access_state = 0; + //state->cpu = (cpu_config_t *) malloc (sizeof (cpu_config_t)); + //state->mem_bank = (mem_config_t *) malloc (sizeof (mem_config_t)); + return (state); } /***************************************************************************\ @@ -242,39 +191,38 @@ ARMul_NewState (ARMul_State *state) void ARMul_SelectProcessor (ARMul_State * state, unsigned properties) { - if (properties & ARM_Fix26_Prop) { - state->prog32Sig = LOW; - state->data32Sig = LOW; - } - else { - state->prog32Sig = HIGH; - state->data32Sig = HIGH; - } -/* 2004-05-09 chy -below line sould be in skyeye_mach_XXX.c 's XXX_mach_init function -*/ - // state->lateabtSig = HIGH; - - - state->is_v4 = - (properties & (ARM_v4_Prop | ARM_v5_Prop)) ? HIGH : LOW; - state->is_v5 = (properties & ARM_v5_Prop) ? HIGH : LOW; - state->is_v5e = (properties & ARM_v5e_Prop) ? HIGH : LOW; - state->is_XScale = (properties & ARM_XScale_Prop) ? HIGH : LOW; - state->is_iWMMXt = (properties & ARM_iWMMXt_Prop) ? HIGH : LOW; - /* state->is_v6 = LOW */; - /* jeff.du 2010-08-05 */ - state->is_v6 = (properties & ARM_v6_Prop) ? HIGH : LOW; - state->is_ep9312 = (properties & ARM_ep9312_Prop) ? HIGH : LOW; - //chy 2005-09-19 - state->is_pxa27x = (properties & ARM_PXA27X_Prop) ? HIGH : LOW; - - /* shenoubang 2012-3-11 */ - state->is_v7 = (properties & ARM_v7_Prop) ? HIGH : LOW; - - /* Only initialse the coprocessor support once we - know what kind of chip we are dealing with. */ - ARMul_CoProInit (state); + if (properties & ARM_Fix26_Prop) { + state->prog32Sig = LOW; + state->data32Sig = LOW; + } else { + state->prog32Sig = HIGH; + state->data32Sig = HIGH; + } + /* 2004-05-09 chy + below line sould be in skyeye_mach_XXX.c 's XXX_mach_init function + */ + // state->lateabtSig = HIGH; + + + state->is_v4 = + (properties & (ARM_v4_Prop | ARM_v5_Prop)) ? HIGH : LOW; + state->is_v5 = (properties & ARM_v5_Prop) ? HIGH : LOW; + state->is_v5e = (properties & ARM_v5e_Prop) ? HIGH : LOW; + state->is_XScale = (properties & ARM_XScale_Prop) ? HIGH : LOW; + state->is_iWMMXt = (properties & ARM_iWMMXt_Prop) ? HIGH : LOW; + /* state->is_v6 = LOW */; + /* jeff.du 2010-08-05 */ + state->is_v6 = (properties & ARM_v6_Prop) ? HIGH : LOW; + state->is_ep9312 = (properties & ARM_ep9312_Prop) ? HIGH : LOW; + //chy 2005-09-19 + state->is_pxa27x = (properties & ARM_PXA27X_Prop) ? HIGH : LOW; + + /* shenoubang 2012-3-11 */ + state->is_v7 = (properties & ARM_v7_Prop) ? HIGH : LOW; + + /* Only initialse the coprocessor support once we + know what kind of chip we are dealing with. */ + //ARMul_CoProInit (state); } @@ -285,66 +233,65 @@ below line sould be in skyeye_mach_XXX.c 's XXX_mach_init function void ARMul_Reset (ARMul_State * state) { - //fprintf(stderr,"armul_reset 0: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); - state->NextInstr = 0; - if (state->prog32Sig) { - state->Reg[15] = 0; - state->Cpsr = INTBITS | SVC32MODE; - state->Mode = SVC32MODE; - } - else { - state->Reg[15] = R15INTBITS | SVC26MODE; - state->Cpsr = INTBITS | SVC26MODE; - state->Mode = SVC26MODE; - } - //fprintf(stderr,"armul_reset 1: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); - ARMul_CPSRAltered (state); - state->Bank = SVCBANK; - FLUSHPIPE; - - state->EndCondition = 0; - state->ErrorCode = 0; - - //fprintf(stderr,"armul_reset 2: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); - state->NresetSig = HIGH; - state->NfiqSig = HIGH; - state->NirqSig = HIGH; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - state->abortSig = LOW; - state->AbortAddr = 1; - - state->NumInstrs = 0; - state->NumNcycles = 0; - state->NumScycles = 0; - state->NumIcycles = 0; - state->NumCcycles = 0; - state->NumFcycles = 0; - - //fprintf(stderr,"armul_reset 3: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); - mmu_reset (state); - //fprintf(stderr,"armul_reset 4: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); - - //mem_reset (state); /* move to memory/ram.c */ - - //fprintf(stderr,"armul_reset 5: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); - /*remove later. walimis 03.7.17 */ - //io_reset(state); - //lcd_disable(state); - - /*ywc 2005-04-07 move from ARMul_NewState , because skyeye_config.no_dbct will - *be configured in skyeye_option_init and it is called after ARMul_NewState*/ - state->tea_break_ok = 0; - state->tea_break_addr = 0; - state->tea_pc = 0; + //fprintf(stderr,"armul_reset 0: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); + state->NextInstr = 0; + if (state->prog32Sig) { + state->Reg[15] = 0; + state->Cpsr = INTBITS | SVC32MODE; + state->Mode = SVC32MODE; + } else { + state->Reg[15] = R15INTBITS | SVC26MODE; + state->Cpsr = INTBITS | SVC26MODE; + state->Mode = SVC26MODE; + } + //fprintf(stderr,"armul_reset 1: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); + //ARMul_CPSRAltered (state); + state->Bank = SVCBANK; + FLUSHPIPE; + + state->EndCondition = 0; + state->ErrorCode = 0; + + //fprintf(stderr,"armul_reset 2: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); + state->NresetSig = HIGH; + state->NfiqSig = HIGH; + state->NirqSig = HIGH; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; + state->abortSig = LOW; + state->AbortAddr = 1; + + state->NumInstrs = 0; + state->NumNcycles = 0; + state->NumScycles = 0; + state->NumIcycles = 0; + state->NumCcycles = 0; + state->NumFcycles = 0; + + //fprintf(stderr,"armul_reset 3: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); + //mmu_reset (state); + //fprintf(stderr,"armul_reset 4: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); + + //mem_reset (state); /* move to memory/ram.c */ + + //fprintf(stderr,"armul_reset 5: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode); + /*remove later. walimis 03.7.17 */ + //io_reset(state); + //lcd_disable(state); + + /*ywc 2005-04-07 move from ARMul_NewState , because skyeye_config.no_dbct will + *be configured in skyeye_option_init and it is called after ARMul_NewState*/ + state->tea_break_ok = 0; + state->tea_break_addr = 0; + state->tea_pc = 0; #ifdef DBCT - if (!skyeye_config.no_dbct) { - //teawater add for arm2x86 2005.02.14------------------------------------------- - if (arm2x86_init (state)) { - printf ("SKYEYE: arm2x86_init error\n"); - skyeye_exit (-1); - } - //AJ2D-------------------------------------------------------------------------- - } + if (!skyeye_config.no_dbct) { + //teawater add for arm2x86 2005.02.14------------------------------------------- + if (arm2x86_init (state)) { + printf ("SKYEYE: arm2x86_init error\n"); + //skyeye_exit (-1); + } + //AJ2D-------------------------------------------------------------------------- + } #endif } @@ -361,8 +308,9 @@ static ARMul_State *dbct_test_speed_state = NULL; static void dbct_test_speed_sig(int signo) { - printf("\n0x%llx %llu\n", dbct_test_speed_state->instr_count, dbct_test_speed_state->instr_count); - skyeye_exit(0); + printf("\n0x%llx %llu\n", dbct_test_speed_state->instr_count, dbct_test_speed_state->instr_count); + exit(0); + //skyeye_exit(0); } #endif //DBCT_TEST_SPEED //AJ2D-------------------------------------------------------------------------- @@ -370,92 +318,91 @@ dbct_test_speed_sig(int signo) ARMword ARMul_DoProg (ARMul_State * state) { - ARMword pc = 0; + ARMword pc = 0; - /* - * 2007-01-24 removed the term-io functions by Anthony Lee, - * moved to "device/uart/skyeye_uart_stdio.c". - */ + /* + * 2007-01-24 removed the term-io functions by Anthony Lee, + * moved to "device/uart/skyeye_uart_stdio.c". + */ //teawater add DBCT_TEST_SPEED 2005.10.04--------------------------------------- #ifdef DBCT_TEST_SPEED - { - if (!dbct_test_speed_state) { - //init timer - struct itimerval value; - struct sigaction act; - - dbct_test_speed_state = state; - state->instr_count = 0; - act.sa_handler = dbct_test_speed_sig; - act.sa_flags = SA_RESTART; - //cygwin don't support ITIMER_VIRTUAL or ITIMER_PROF + { + if (!dbct_test_speed_state) { + //init timer + struct itimerval value; + struct sigaction act; + + dbct_test_speed_state = state; + state->instr_count = 0; + act.sa_handler = dbct_test_speed_sig; + act.sa_flags = SA_RESTART; + //cygwin don't support ITIMER_VIRTUAL or ITIMER_PROF #ifndef __CYGWIN__ - if (sigaction(SIGVTALRM, &act, NULL) == -1) { + if (sigaction(SIGVTALRM, &act, NULL) == -1) { #else - if (sigaction(SIGALRM, &act, NULL) == -1) { + if (sigaction(SIGALRM, &act, NULL) == -1) { #endif //__CYGWIN__ - fprintf(stderr, "init timer error.\n"); - skyeye_exit(-1); - } - if (skyeye_config.dbct_test_speed_sec) { - value.it_value.tv_sec = skyeye_config.dbct_test_speed_sec; - } - else { - value.it_value.tv_sec = DBCT_TEST_SPEED_SEC; - } - printf("dbct_test_speed_sec = %ld\n", value.it_value.tv_sec); - value.it_value.tv_usec = 0; - value.it_interval.tv_sec = 0; - value.it_interval.tv_usec = 0; + fprintf(stderr, "init timer error.\n"); + exit(-1); + //skyeye_exit(-1); + } + if (skyeye_config.dbct_test_speed_sec) { + value.it_value.tv_sec = skyeye_config.dbct_test_speed_sec; + } else { + value.it_value.tv_sec = DBCT_TEST_SPEED_SEC; + } + printf("dbct_test_speed_sec = %ld\n", value.it_value.tv_sec); + value.it_value.tv_usec = 0; + value.it_interval.tv_sec = 0; + value.it_interval.tv_usec = 0; #ifndef __CYGWIN__ - if (setitimer(ITIMER_VIRTUAL, &value, NULL) == -1) { + if (setitimer(ITIMER_VIRTUAL, &value, NULL) == -1) { #else - if (setitimer(ITIMER_REAL, &value, NULL) == -1) { + if (setitimer(ITIMER_REAL, &value, NULL) == -1) { #endif //__CYGWIN__ - fprintf(stderr, "init timer error.\n"); - skyeye_exit(-1); - } - } - } + fprintf(stderr, "init timer error.\n"); + //skyeye_exit(-1); + } + } + } #endif //DBCT_TEST_SPEED //AJ2D-------------------------------------------------------------------------- - state->Emulate = RUN; - while (state->Emulate != STOP) { - state->Emulate = RUN; + state->Emulate = RUN; + while (state->Emulate != STOP) { + state->Emulate = RUN; - /*ywc 2005-03-31 */ - if (state->prog32Sig && ARMul_MODE32BIT) { + /*ywc 2005-03-31 */ + if (state->prog32Sig && ARMul_MODE32BIT) { #ifdef DBCT - if (skyeye_config.no_dbct) { - pc = ARMul_Emulate32 (state); - } - else { - pc = ARMul_Emulate32_dbct (state); - } + if (skyeye_config.no_dbct) { + pc = ARMul_Emulate32 (state); + } else { + pc = ARMul_Emulate32_dbct (state); + } #else - pc = ARMul_Emulate32 (state); + pc = ARMul_Emulate32 (state); #endif - } + } - else { - _dbg_assert_msg_(ARM11, false, "Unsupported ARM 26-bit Mode!"); - } - //chy 2006-02-22, should test debugmode first - //chy 2006-04-14, put below codes in ARMul_Emulate + else { + //pc = ARMul_Emulate26 (state); + } + //chy 2006-02-22, should test debugmode first + //chy 2006-04-14, put below codes in ARMul_Emulate #if 0 - if(debugmode) - if(remote_interrupt()) - state->Emulate = STOP; + if(debugmode) + if(remote_interrupt()) + state->Emulate = STOP; #endif - } + } - /* - * 2007-01-24 removed the term-io functions by Anthony Lee, - * moved to "device/uart/skyeye_uart_stdio.c". - */ + /* + * 2007-01-24 removed the term-io functions by Anthony Lee, + * moved to "device/uart/skyeye_uart_stdio.c". + */ - return (pc); + return (pc); } /***************************************************************************\ @@ -467,36 +414,34 @@ ARMul_DoProg (ARMul_State * state) ARMword ARMul_DoInstr (ARMul_State * state) { - ARMword pc = 0; + ARMword pc = 0; - state->Emulate = ONCE; + state->Emulate = ONCE; - /*ywc 2005-03-31 */ - if (state->prog32Sig && ARMul_MODE32BIT) { + /*ywc 2005-03-31 */ + if (state->prog32Sig && ARMul_MODE32BIT) { #ifdef DBCT - if (skyeye_config.no_dbct) { - pc = ARMul_Emulate32 (state); - } - else { + if (skyeye_config.no_dbct) { + pc = ARMul_Emulate32 (state); + } else { //teawater add compile switch for DBCT GDB RSP function 2005.10.21-------------- #ifndef DBCT_GDBRSP - printf("DBCT GDBRSP function switch is off.\n"); - printf("To use this function, open \"#define DBCT_GDBRSP\" in arch/arm/common/armdefs.h & recompile skyeye.\n"); - skyeye_exit(-1); + printf("DBCT GDBRSP function switch is off.\n"); + printf("To use this function, open \"#define DBCT_GDBRSP\" in arch/arm/common/armdefs.h & recompile skyeye.\n"); + skyeye_exit(-1); #endif //DBCT_GDBRSP //AJ2D-------------------------------------------------------------------------- - pc = ARMul_Emulate32_dbct (state); - } + pc = ARMul_Emulate32_dbct (state); + } #else - pc = ARMul_Emulate32 (state); + pc = ARMul_Emulate32 (state); #endif - } + } - else { - _dbg_assert_msg_(ARM11, false, "Unsupported ARM 26-bit Mode!"); - } + //else + //pc = ARMul_Emulate26 (state); - return (pc); + return (pc); } /***************************************************************************\ @@ -508,79 +453,74 @@ ARMul_DoInstr (ARMul_State * state) void ARMul_Abort (ARMul_State * state, ARMword vector) { - ARMword temp; - int isize = INSN_SIZE; - int esize = (TFLAG ? 0 : 4); - int e2size = (TFLAG ? -4 : 0); - - state->Aborted = FALSE; - - if (state->prog32Sig) - if (ARMul_MODE26BIT) - temp = R15PC; - else - temp = state->Reg[15]; - else - temp = R15PC | ECC | ER15INT | EMODE; - - switch (vector) { - case ARMul_ResetV: /* RESET */ - SETABORT (INTBITS, state->prog32Sig ? SVC32MODE : SVC26MODE, - 0); - break; - case ARMul_UndefinedInstrV: /* Undefined Instruction */ - SETABORT (IBIT, state->prog32Sig ? UNDEF32MODE : SVC26MODE, - isize); - break; - case ARMul_SWIV: /* Software Interrupt */ - // Modified SETABORT that doesn't branch to a SVC vector as we are implementing this in HLE - // Instead of doing normal routine, backup R15 by one instruction (this is what PC will get - // set to, making it the next instruction after the SVC call), and skip setting the LR. - SETABORT_SKIPBRANCH (IBIT, state->prog32Sig ? SVC32MODE : SVC26MODE, - isize); - state->Reg[15] -= 4; - return; - case ARMul_PrefetchAbortV: /* Prefetch Abort */ - state->AbortAddr = 1; - SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE, - esize); - break; - case ARMul_DataAbortV: /* Data Abort */ - SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE, - e2size); - break; - case ARMul_AddrExceptnV: /* Address Exception */ - SETABORT (IBIT, SVC26MODE, isize); - break; - case ARMul_IRQV: /* IRQ */ - //chy 2003-09-02 the if sentence seems no use + ARMword temp; + int isize = INSN_SIZE; + int esize = (TFLAG ? 0 : 4); + int e2size = (TFLAG ? -4 : 0); + + state->Aborted = FALSE; + + if (state->prog32Sig) + if (ARMul_MODE26BIT) + temp = R15PC; + else + temp = state->Reg[15]; + else + temp = R15PC | ECC | ER15INT | EMODE; + + switch (vector) { + case ARMul_ResetV: /* RESET */ + SETABORT (INTBITS, state->prog32Sig ? SVC32MODE : SVC26MODE, + 0); + break; + case ARMul_UndefinedInstrV: /* Undefined Instruction */ + SETABORT (IBIT, state->prog32Sig ? UNDEF32MODE : SVC26MODE, + isize); + break; + case ARMul_SWIV: /* Software Interrupt */ + SETABORT (IBIT, state->prog32Sig ? SVC32MODE : SVC26MODE, + isize); + break; + case ARMul_PrefetchAbortV: /* Prefetch Abort */ + state->AbortAddr = 1; + SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE, + esize); + break; + case ARMul_DataAbortV: /* Data Abort */ + SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE, + e2size); + break; + case ARMul_AddrExceptnV: /* Address Exception */ + SETABORT (IBIT, SVC26MODE, isize); + break; + case ARMul_IRQV: /* IRQ */ + //chy 2003-09-02 the if sentence seems no use #if 0 - if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp) - || (temp & ARMul_CP13_R0_IRQ)) + if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp) + || (temp & ARMul_CP13_R0_IRQ)) #endif - SETABORT (IBIT, - state->prog32Sig ? IRQ32MODE : IRQ26MODE, - esize); - break; - case ARMul_FIQV: /* FIQ */ - //chy 2003-09-02 the if sentence seems no use + SETABORT (IBIT, + state->prog32Sig ? IRQ32MODE : IRQ26MODE, + esize); + break; + case ARMul_FIQV: /* FIQ */ + //chy 2003-09-02 the if sentence seems no use #if 0 - if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp) - || (temp & ARMul_CP13_R0_FIQ)) + if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp) + || (temp & ARMul_CP13_R0_FIQ)) #endif - SETABORT (INTBITS, - state->prog32Sig ? FIQ32MODE : FIQ26MODE, - esize); - break; - } - - if (ARMul_MODE32BIT) { - if (state->mmu.control & CONTROL_VECTOR) - vector += 0xffff0000; //for v4 high exception address - if (state->vector_remap_flag) - vector += state->vector_remap_addr; /* support some remap function in LPC processor */ - ARMul_SetR15 (state, vector); - } - else - ARMul_SetR15 (state, R15CCINTMODE | vector); + SETABORT (INTBITS, + state->prog32Sig ? FIQ32MODE : FIQ26MODE, + esize); + break; + } + + if (ARMul_MODE32BIT) { + /*if (state->mmu.control & CONTROL_VECTOR) + vector += 0xffff0000; //for v4 high exception address*/ + if (state->vector_remap_flag) + vector += state->vector_remap_addr; /* support some remap function in LPC processor */ + ARMul_SetR15 (state, vector); + } else + ARMul_SetR15 (state, R15CCINTMODE | vector); } diff --git a/src/core/arm/interpreter/armsupp.cpp b/src/core/arm/interpreter/armsupp.cpp index 7816c4c42..219ba78ce 100644 --- a/src/core/arm/interpreter/armsupp.cpp +++ b/src/core/arm/interpreter/armsupp.cpp @@ -1,38 +1,39 @@ /* armsupp.c -- ARMulator support code: ARM6 Instruction Emulator. Copyright (C) 1994 Advanced RISC Machines Ltd. - + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +//#include <util.h> + #include "core/arm/interpreter/armdefs.h" #include "core/arm/interpreter/armemu.h" -#include "core/arm/interpreter/skyeye_defs.h" #include "core/hle/coprocessor.h" #include "core/arm/disassembler/arm_disasm.h" -unsigned xscale_cp15_cp_access_allowed (ARMul_State * state, unsigned reg, - unsigned cpnum); +//#include "ansidecl.h" +//#include "skyeye.h" //extern int skyeye_instr_debug; /* Definitions for the support routines. */ static ARMword ModeToBank (ARMword); static void EnvokeList (ARMul_State *, unsigned int, unsigned int); -struct EventNode -{ /* An event list node. */ - unsigned (*func) (ARMul_State *); /* The function to call. */ - struct EventNode *next; +struct EventNode { + /* An event list node. */ + unsigned (*func) (ARMul_State *); /* The function to call. */ + struct EventNode *next; }; /* This routine returns the value of a register from a mode. */ @@ -40,11 +41,11 @@ struct EventNode ARMword ARMul_GetReg (ARMul_State * state, unsigned mode, unsigned reg) { - mode &= MODEBITS; - if (mode != state->Mode) - return (state->RegBank[ModeToBank ((ARMword) mode)][reg]); - else - return (state->Reg[reg]); + mode &= MODEBITS; + if (mode != state->Mode) + return (state->RegBank[ModeToBank ((ARMword) mode)][reg]); + else + return (state->Reg[reg]); } /* This routine sets the value of a register for a mode. */ @@ -52,11 +53,11 @@ ARMul_GetReg (ARMul_State * state, unsigned mode, unsigned reg) void ARMul_SetReg (ARMul_State * state, unsigned mode, unsigned reg, ARMword value) { - mode &= MODEBITS; - if (mode != state->Mode) - state->RegBank[ModeToBank ((ARMword) mode)][reg] = value; - else - state->Reg[reg] = value; + mode &= MODEBITS; + if (mode != state->Mode) + state->RegBank[ModeToBank ((ARMword) mode)][reg] = value; + else + state->Reg[reg] = value; } /* This routine returns the value of the PC, mode independently. */ @@ -64,10 +65,10 @@ ARMul_SetReg (ARMul_State * state, unsigned mode, unsigned reg, ARMword value) ARMword ARMul_GetPC (ARMul_State * state) { - if (state->Mode > SVC26MODE) - return state->Reg[15]; - else - return R15PC; + if (state->Mode > SVC26MODE) + return state->Reg[15]; + else + return R15PC; } /* This routine returns the value of the PC, mode independently. */ @@ -75,10 +76,10 @@ ARMul_GetPC (ARMul_State * state) ARMword ARMul_GetNextPC (ARMul_State * state) { - if (state->Mode > SVC26MODE) - return state->Reg[15] + isize; - else - return (state->Reg[15] + isize) & R15PCBITS; + if (state->Mode > SVC26MODE) + return state->Reg[15] + INSN_SIZE; + else + return (state->Reg[15] + INSN_SIZE) & R15PCBITS; } /* This routine sets the value of the PC. */ @@ -86,11 +87,11 @@ ARMul_GetNextPC (ARMul_State * state) void ARMul_SetPC (ARMul_State * state, ARMword value) { - if (ARMul_MODE32BIT) - state->Reg[15] = value & PCBITS; - else - state->Reg[15] = R15CCINTMODE | (value & R15PCBITS); - FLUSHPIPE; + if (ARMul_MODE32BIT) + state->Reg[15] = value & PCBITS; + else + state->Reg[15] = R15CCINTMODE | (value & R15PCBITS); + FLUSHPIPE; } /* This routine returns the value of register 15, mode independently. */ @@ -98,10 +99,10 @@ ARMul_SetPC (ARMul_State * state, ARMword value) ARMword ARMul_GetR15 (ARMul_State * state) { - if (state->Mode > SVC26MODE) - return (state->Reg[15]); - else - return (R15PC | ECC | ER15INT | EMODE); + if (state->Mode > SVC26MODE) + return (state->Reg[15]); + else + return (R15PC | ECC | ER15INT | EMODE); } /* This routine sets the value of Register 15. */ @@ -109,13 +110,13 @@ ARMul_GetR15 (ARMul_State * state) void ARMul_SetR15 (ARMul_State * state, ARMword value) { - if (ARMul_MODE32BIT) - state->Reg[15] = value & PCBITS; - else { - state->Reg[15] = value; - ARMul_R15Altered (state); - } - FLUSHPIPE; + if (ARMul_MODE32BIT) + state->Reg[15] = value & PCBITS; + else { + state->Reg[15] = value; + ARMul_R15Altered (state); + } + FLUSHPIPE; } /* This routine returns the value of the CPSR. */ @@ -123,9 +124,9 @@ ARMul_SetR15 (ARMul_State * state, ARMword value) ARMword ARMul_GetCPSR (ARMul_State * state) { - //chy 2003-08-20: below is from gdb20030716, maybe isn't suitable for system simulator - //return (CPSR | state->Cpsr); for gdb20030716 - return (CPSR); //had be tested in old skyeye with gdb5.0-5.3 + //chy 2003-08-20: below is from gdb20030716, maybe isn't suitable for system simulator + //return (CPSR | state->Cpsr); for gdb20030716 + return (CPSR); //had be tested in old skyeye with gdb5.0-5.3 } /* This routine sets the value of the CPSR. */ @@ -133,8 +134,8 @@ ARMul_GetCPSR (ARMul_State * state) void ARMul_SetCPSR (ARMul_State * state, ARMword value) { - state->Cpsr = value; - ARMul_CPSRAltered (state); + state->Cpsr = value; + ARMul_CPSRAltered (state); } /* This routine does all the nasty bits involved in a write to the CPSR, @@ -143,20 +144,20 @@ ARMul_SetCPSR (ARMul_State * state, ARMword value) void ARMul_FixCPSR (ARMul_State * state, ARMword instr, ARMword rhs) { - state->Cpsr = ARMul_GetCPSR (state); - //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode - if (state->Mode != USER26MODE && state->Mode != USER32MODE ) { - /* In user mode, only write flags. */ - if (BIT (16)) - SETPSR_C (state->Cpsr, rhs); - if (BIT (17)) - SETPSR_X (state->Cpsr, rhs); - if (BIT (18)) - SETPSR_S (state->Cpsr, rhs); - } - if (BIT (19)) - SETPSR_F (state->Cpsr, rhs); - ARMul_CPSRAltered (state); + state->Cpsr = ARMul_GetCPSR (state); + //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode + if (state->Mode != USER26MODE && state->Mode != USER32MODE ) { + /* In user mode, only write flags. */ + if (BIT (16)) + SETPSR_C (state->Cpsr, rhs); + if (BIT (17)) + SETPSR_X (state->Cpsr, rhs); + if (BIT (18)) + SETPSR_S (state->Cpsr, rhs); + } + if (BIT (19)) + SETPSR_F (state->Cpsr, rhs); + ARMul_CPSRAltered (state); } /* Get an SPSR from the specified mode. */ @@ -164,12 +165,12 @@ ARMul_FixCPSR (ARMul_State * state, ARMword instr, ARMword rhs) ARMword ARMul_GetSPSR (ARMul_State * state, ARMword mode) { - ARMword bank = ModeToBank (mode & MODEBITS); + ARMword bank = ModeToBank (mode & MODEBITS); - if (!BANK_CAN_ACCESS_SPSR (bank)) - return ARMul_GetCPSR (state); + if (!BANK_CAN_ACCESS_SPSR (bank)) + return ARMul_GetCPSR (state); - return state->Spsr[bank]; + return state->Spsr[bank]; } /* This routine does a write to an SPSR. */ @@ -177,10 +178,10 @@ ARMul_GetSPSR (ARMul_State * state, ARMword mode) void ARMul_SetSPSR (ARMul_State * state, ARMword mode, ARMword value) { - ARMword bank = ModeToBank (mode & MODEBITS); + ARMword bank = ModeToBank (mode & MODEBITS); - if (BANK_CAN_ACCESS_SPSR (bank)) - state->Spsr[bank] = value; + if (BANK_CAN_ACCESS_SPSR (bank)) + state->Spsr[bank] = value; } /* This routine does a write to the current SPSR, given an MSR instruction. */ @@ -188,16 +189,16 @@ ARMul_SetSPSR (ARMul_State * state, ARMword mode, ARMword value) void ARMul_FixSPSR (ARMul_State * state, ARMword instr, ARMword rhs) { - if (BANK_CAN_ACCESS_SPSR (state->Bank)) { - if (BIT (16)) - SETPSR_C (state->Spsr[state->Bank], rhs); - if (BIT (17)) - SETPSR_X (state->Spsr[state->Bank], rhs); - if (BIT (18)) - SETPSR_S (state->Spsr[state->Bank], rhs); - if (BIT (19)) - SETPSR_F (state->Spsr[state->Bank], rhs); - } + if (BANK_CAN_ACCESS_SPSR (state->Bank)) { + if (BIT (16)) + SETPSR_C (state->Spsr[state->Bank], rhs); + if (BIT (17)) + SETPSR_X (state->Spsr[state->Bank], rhs); + if (BIT (18)) + SETPSR_S (state->Spsr[state->Bank], rhs); + if (BIT (19)) + SETPSR_F (state->Spsr[state->Bank], rhs); + } } /* This routine updates the state of the emulator after the Cpsr has been @@ -206,53 +207,51 @@ ARMul_FixSPSR (ARMul_State * state, ARMword instr, ARMword rhs) void ARMul_CPSRAltered (ARMul_State * state) { - ARMword oldmode; - - if (state->prog32Sig == LOW) - state->Cpsr &= (CCBITS | INTBITS | R15MODEBITS); - - oldmode = state->Mode; - - if (state->Mode != (state->Cpsr & MODEBITS)) { - state->Mode = - ARMul_SwitchMode (state, state->Mode, - state->Cpsr & MODEBITS); - - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - } - //state->Cpsr &= ~MODEBITS; - - ASSIGNINT (state->Cpsr & INTBITS); - //state->Cpsr &= ~INTBITS; - ASSIGNN ((state->Cpsr & NBIT) != 0); - //state->Cpsr &= ~NBIT; - ASSIGNZ ((state->Cpsr & ZBIT) != 0); - //state->Cpsr &= ~ZBIT; - ASSIGNC ((state->Cpsr & CBIT) != 0); - //state->Cpsr &= ~CBIT; - ASSIGNV ((state->Cpsr & VBIT) != 0); - //state->Cpsr &= ~VBIT; - ASSIGNS ((state->Cpsr & SBIT) != 0); - //state->Cpsr &= ~SBIT; + ARMword oldmode; + + if (state->prog32Sig == LOW) + state->Cpsr &= (CCBITS | INTBITS | R15MODEBITS); + + oldmode = state->Mode; + + /*if (state->Mode != (state->Cpsr & MODEBITS)) { + state->Mode = + ARMul_SwitchMode (state, state->Mode, + state->Cpsr & MODEBITS); + + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; + }*/ + //state->Cpsr &= ~MODEBITS; + + ASSIGNINT (state->Cpsr & INTBITS); + //state->Cpsr &= ~INTBITS; + ASSIGNN ((state->Cpsr & NBIT) != 0); + //state->Cpsr &= ~NBIT; + ASSIGNZ ((state->Cpsr & ZBIT) != 0); + //state->Cpsr &= ~ZBIT; + ASSIGNC ((state->Cpsr & CBIT) != 0); + //state->Cpsr &= ~CBIT; + ASSIGNV ((state->Cpsr & VBIT) != 0); + //state->Cpsr &= ~VBIT; + ASSIGNS ((state->Cpsr & SBIT) != 0); + //state->Cpsr &= ~SBIT; #ifdef MODET - ASSIGNT ((state->Cpsr & TBIT) != 0); - //state->Cpsr &= ~TBIT; + ASSIGNT ((state->Cpsr & TBIT) != 0); + //state->Cpsr &= ~TBIT; #endif - if (oldmode > SVC26MODE) { - if (state->Mode <= SVC26MODE) { - state->Emulate = CHANGEMODE; - state->Reg[15] = ECC | ER15INT | EMODE | R15PC; - } - } - else { - if (state->Mode > SVC26MODE) { - state->Emulate = CHANGEMODE; - state->Reg[15] = R15PC; - } - else - state->Reg[15] = ECC | ER15INT | EMODE | R15PC; - } + if (oldmode > SVC26MODE) { + if (state->Mode <= SVC26MODE) { + state->Emulate = CHANGEMODE; + state->Reg[15] = ECC | ER15INT | EMODE | R15PC; + } + } else { + if (state->Mode > SVC26MODE) { + state->Emulate = CHANGEMODE; + state->Reg[15] = R15PC; + } else + state->Reg[15] = ECC | ER15INT | EMODE | R15PC; + } } /* This routine updates the state of the emulator after register 15 has @@ -262,20 +261,20 @@ ARMul_CPSRAltered (ARMul_State * state) void ARMul_R15Altered (ARMul_State * state) { - if (state->Mode != R15MODE) { - state->Mode = ARMul_SwitchMode (state, state->Mode, R15MODE); - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - } + if (state->Mode != R15MODE) { + state->Mode = ARMul_SwitchMode (state, state->Mode, R15MODE); + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; + } - if (state->Mode > SVC26MODE) - state->Emulate = CHANGEMODE; + if (state->Mode > SVC26MODE) + state->Emulate = CHANGEMODE; - ASSIGNR15INT (R15INT); + ASSIGNR15INT (R15INT); - ASSIGNN ((state->Reg[15] & NBIT) != 0); - ASSIGNZ ((state->Reg[15] & ZBIT) != 0); - ASSIGNC ((state->Reg[15] & CBIT) != 0); - ASSIGNV ((state->Reg[15] & VBIT) != 0); + ASSIGNN ((state->Reg[15] & NBIT) != 0); + ASSIGNZ ((state->Reg[15] & ZBIT) != 0); + ASSIGNC ((state->Reg[15] & CBIT) != 0); + ASSIGNV ((state->Reg[15] & VBIT) != 0); } /* This routine controls the saving and restoring of registers across mode @@ -287,78 +286,78 @@ ARMul_R15Altered (ARMul_State * state) ARMword ARMul_SwitchMode (ARMul_State * state, ARMword oldmode, ARMword newmode) { - unsigned i; - ARMword oldbank; - ARMword newbank; - static int revision_value = 53; + unsigned i; + ARMword oldbank; + ARMword newbank; + static int revision_value = 53; - oldbank = ModeToBank (oldmode); - newbank = state->Bank = ModeToBank (newmode); + oldbank = ModeToBank (oldmode); + newbank = state->Bank = ModeToBank (newmode); - /* Do we really need to do it? */ - if (oldbank != newbank) { - if (oldbank == 3 && newbank == 2) { - //printf("icounter is %d PC is %x MODE CHANGED : %d --> %d\n", state->NumInstrs, state->pc, oldbank, newbank); - if (state->NumInstrs >= 5832487) { + /* Do we really need to do it? */ + if (oldbank != newbank) { + if (oldbank == 3 && newbank == 2) { + //printf("icounter is %d PC is %x MODE CHANGED : %d --> %d\n", state->NumInstrs, state->pc, oldbank, newbank); + if (state->NumInstrs >= 5832487) { // printf("%d, ", state->NumInstrs + revision_value); // printf("revision_value : %d\n", revision_value); - revision_value ++; - } - } - /* Save away the old registers. */ - switch (oldbank) { - case USERBANK: - case IRQBANK: - case SVCBANK: - case ABORTBANK: - case UNDEFBANK: - if (newbank == FIQBANK) - for (i = 8; i < 13; i++) - state->RegBank[USERBANK][i] = - state->Reg[i]; - state->RegBank[oldbank][13] = state->Reg[13]; - state->RegBank[oldbank][14] = state->Reg[14]; - break; - case FIQBANK: - for (i = 8; i < 15; i++) - state->RegBank[FIQBANK][i] = state->Reg[i]; - break; - case DUMMYBANK: - for (i = 8; i < 15; i++) - state->RegBank[DUMMYBANK][i] = 0; - break; - default: - abort (); - } - - /* Restore the new registers. */ - switch (newbank) { - case USERBANK: - case IRQBANK: - case SVCBANK: - case ABORTBANK: - case UNDEFBANK: - if (oldbank == FIQBANK) - for (i = 8; i < 13; i++) - state->Reg[i] = - state->RegBank[USERBANK][i]; - state->Reg[13] = state->RegBank[newbank][13]; - state->Reg[14] = state->RegBank[newbank][14]; - break; - case FIQBANK: - for (i = 8; i < 15; i++) - state->Reg[i] = state->RegBank[FIQBANK][i]; - break; - case DUMMYBANK: - for (i = 8; i < 15; i++) - state->Reg[i] = 0; - break; - default: - abort (); - } - } - - return newmode; + revision_value ++; + } + } + /* Save away the old registers. */ + switch (oldbank) { + case USERBANK: + case IRQBANK: + case SVCBANK: + case ABORTBANK: + case UNDEFBANK: + if (newbank == FIQBANK) + for (i = 8; i < 13; i++) + state->RegBank[USERBANK][i] = + state->Reg[i]; + state->RegBank[oldbank][13] = state->Reg[13]; + state->RegBank[oldbank][14] = state->Reg[14]; + break; + case FIQBANK: + for (i = 8; i < 15; i++) + state->RegBank[FIQBANK][i] = state->Reg[i]; + break; + case DUMMYBANK: + for (i = 8; i < 15; i++) + state->RegBank[DUMMYBANK][i] = 0; + break; + default: + abort (); + } + + /* Restore the new registers. */ + switch (newbank) { + case USERBANK: + case IRQBANK: + case SVCBANK: + case ABORTBANK: + case UNDEFBANK: + if (oldbank == FIQBANK) + for (i = 8; i < 13; i++) + state->Reg[i] = + state->RegBank[USERBANK][i]; + state->Reg[13] = state->RegBank[newbank][13]; + state->Reg[14] = state->RegBank[newbank][14]; + break; + case FIQBANK: + for (i = 8; i < 15; i++) + state->Reg[i] = state->RegBank[FIQBANK][i]; + break; + case DUMMYBANK: + for (i = 8; i < 15; i++) + state->Reg[i] = 0; + break; + default: + abort (); + } + } + + return newmode; } /* Given a processor mode, this routine returns the @@ -367,21 +366,21 @@ ARMul_SwitchMode (ARMul_State * state, ARMword oldmode, ARMword newmode) static ARMword ModeToBank (ARMword mode) { - static ARMword bankofmode[] = { - USERBANK, FIQBANK, IRQBANK, SVCBANK, - DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK, - DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK, - DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK, - USERBANK, FIQBANK, IRQBANK, SVCBANK, - DUMMYBANK, DUMMYBANK, DUMMYBANK, ABORTBANK, - DUMMYBANK, DUMMYBANK, DUMMYBANK, UNDEFBANK, - DUMMYBANK, DUMMYBANK, DUMMYBANK, SYSTEMBANK - }; + static ARMword bankofmode[] = { + USERBANK, FIQBANK, IRQBANK, SVCBANK, + DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK, + DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK, + DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK, + USERBANK, FIQBANK, IRQBANK, SVCBANK, + DUMMYBANK, DUMMYBANK, DUMMYBANK, ABORTBANK, + DUMMYBANK, DUMMYBANK, DUMMYBANK, UNDEFBANK, + DUMMYBANK, DUMMYBANK, DUMMYBANK, SYSTEMBANK + }; - if (mode >= (sizeof (bankofmode) / sizeof (bankofmode[0]))) - return DUMMYBANK; + if (mode >= (sizeof (bankofmode) / sizeof (bankofmode[0]))) + return DUMMYBANK; - return bankofmode[mode]; + return bankofmode[mode]; } /* Returns the register number of the nth register in a reg list. */ @@ -389,13 +388,13 @@ ModeToBank (ARMword mode) unsigned ARMul_NthReg (ARMword instr, unsigned number) { - unsigned bit, upto; + unsigned bit, upto; - for (bit = 0, upto = 0; upto <= number; bit++) - if (BIT (bit)) - upto++; + for (bit = 0, upto = 0; upto <= number; bit++) + if (BIT (bit)) + upto++; - return (bit - 1); + return (bit - 1); } /* Assigns the N and Z flags depending on the value of result. */ @@ -403,18 +402,16 @@ ARMul_NthReg (ARMword instr, unsigned number) void ARMul_NegZero (ARMul_State * state, ARMword result) { - if (NEG (result)) { - SETN; - CLEARZ; - } - else if (result == 0) { - CLEARN; - SETZ; - } - else { - CLEARN; - CLEARZ; - } + if (NEG (result)) { + SETN; + CLEARZ; + } else if (result == 0) { + CLEARN; + SETZ; + } else { + CLEARN; + CLEARZ; + } } /* Compute whether an addition of A and B, giving RESULT, overflowed. */ @@ -422,8 +419,8 @@ ARMul_NegZero (ARMul_State * state, ARMword result) int AddOverflow (ARMword a, ARMword b, ARMword result) { - return ((NEG (a) && NEG (b) && POS (result)) - || (POS (a) && POS (b) && NEG (result))); + return ((NEG (a) && NEG (b) && POS (result)) + || (POS (a) && POS (b) && NEG (result))); } /* Compute whether a subtraction of A and B, giving RESULT, overflowed. */ @@ -431,8 +428,8 @@ AddOverflow (ARMword a, ARMword b, ARMword result) int SubOverflow (ARMword a, ARMword b, ARMword result) { - return ((NEG (a) && POS (b) && POS (result)) - || (POS (a) && NEG (b) && NEG (result))); + return ((NEG (a) && POS (b) && POS (result)) + || (POS (a) && NEG (b) && NEG (result))); } /* Assigns the C flag after an addition of a and b to give result. */ @@ -440,8 +437,8 @@ SubOverflow (ARMword a, ARMword b, ARMword result) void ARMul_AddCarry (ARMul_State * state, ARMword a, ARMword b, ARMword result) { - ASSIGNC ((NEG (a) && NEG (b)) || - (NEG (a) && POS (result)) || (NEG (b) && POS (result))); + ASSIGNC ((NEG (a) && NEG (b)) || + (NEG (a) && POS (result)) || (NEG (b) && POS (result))); } /* Assigns the V flag after an addition of a and b to give result. */ @@ -449,7 +446,7 @@ ARMul_AddCarry (ARMul_State * state, ARMword a, ARMword b, ARMword result) void ARMul_AddOverflow (ARMul_State * state, ARMword a, ARMword b, ARMword result) { - ASSIGNV (AddOverflow (a, b, result)); + ASSIGNV (AddOverflow (a, b, result)); } /* Assigns the C flag after an subtraction of a and b to give result. */ @@ -457,8 +454,8 @@ ARMul_AddOverflow (ARMul_State * state, ARMword a, ARMword b, ARMword result) void ARMul_SubCarry (ARMul_State * state, ARMword a, ARMword b, ARMword result) { - ASSIGNC ((NEG (a) && POS (b)) || - (NEG (a) && POS (result)) || (POS (b) && POS (result))); + ASSIGNC ((NEG (a) && POS (b)) || + (NEG (a) && POS (result)) || (POS (b) && POS (result))); } /* Assigns the V flag after an subtraction of a and b to give result. */ @@ -466,7 +463,7 @@ ARMul_SubCarry (ARMul_State * state, ARMword a, ARMword b, ARMword result) void ARMul_SubOverflow (ARMul_State * state, ARMword a, ARMword b, ARMword result) { - ASSIGNV (SubOverflow (a, b, result)); + ASSIGNV (SubOverflow (a, b, result)); } /* This function does the work of generating the addresses used in an @@ -477,88 +474,88 @@ ARMul_SubOverflow (ARMul_State * state, ARMword a, ARMword b, ARMword result) void ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address) { - unsigned cpab; - ARMword data; + unsigned cpab; + ARMword data; - UNDEF_LSCPCBaseWb; - //printf("SKYEYE ARMul_LDC, CPnum is %x, instr %x, addr %x\n",CPNum, instr, address); -/*chy 2004-05-23 should update this function in the future,should concern dataabort*/ -// chy 2004-05-25 , fix it now,so needn't printf + UNDEF_LSCPCBaseWb; + //printf("SKYEYE ARMul_LDC, CPnum is %x, instr %x, addr %x\n",CPNum, instr, address); + /*chy 2004-05-23 should update this function in the future,should concern dataabort*/ +// chy 2004-05-25 , fix it now,so needn't printf // printf("SKYEYE ARMul_LDC, should update this function!!!!!\n"); - //exit(-1); - - if (!CP_ACCESS_ALLOWED (state, CPNum)) { - /* - printf - ("SKYEYE ARMul_LDC,NOT ALLOW, underinstr, CPnum is %x, instr %x, addr %x\n", - CPNum, instr, address); - */ - ARMul_UndefInstr (state, instr); - return; - } - - //if (ADDREXCEPT (address)) - // INTERNALABORT (address); - - cpab = (state->LDC[CPNum]) (state, ARMul_FIRST, instr, 0); - while (cpab == ARMul_BUSY) { - ARMul_Icycles (state, 1, 0); - - if (IntPending (state)) { - cpab = (state->LDC[CPNum]) (state, ARMul_INTERRUPT, - instr, 0); - return; - } - else - cpab = (state->LDC[CPNum]) (state, ARMul_BUSY, instr, - 0); - } - if (cpab == ARMul_CANT) { - /* - printf - ("SKYEYE ARMul_LDC,NOT CAN, underinstr, CPnum is %x, instr %x, addr %x\n", - CPNum, instr, address); - */ - CPTAKEABORT; - return; - } - - cpab = (state->LDC[CPNum]) (state, ARMul_TRANSFER, instr, 0); - data = ARMul_LoadWordN (state, address); - //chy 2004-05-25 - if (state->abortSig || state->Aborted) - goto L_ldc_takeabort; - - BUSUSEDINCPCN; + //exit(-1); + + //if (!CP_ACCESS_ALLOWED (state, CPNum)) { + if (!state->LDC[CPNum]) { + /* + printf + ("SKYEYE ARMul_LDC,NOT ALLOW, underinstr, CPnum is %x, instr %x, addr %x\n", + CPNum, instr, address); + */ + ARMul_UndefInstr (state, instr); + return; + } + + /*if (ADDREXCEPT (address)) + INTERNALABORT (address);*/ + + cpab = (state->LDC[CPNum]) (state, ARMul_FIRST, instr, 0); + while (cpab == ARMul_BUSY) { + ARMul_Icycles (state, 1, 0); + + if (IntPending (state)) { + cpab = (state->LDC[CPNum]) (state, ARMul_INTERRUPT, + instr, 0); + return; + } else + cpab = (state->LDC[CPNum]) (state, ARMul_BUSY, instr, + 0); + } + if (cpab == ARMul_CANT) { + /* + printf + ("SKYEYE ARMul_LDC,NOT CAN, underinstr, CPnum is %x, instr %x, addr %x\n", + CPNum, instr, address); + */ + CPTAKEABORT; + return; + } + + cpab = (state->LDC[CPNum]) (state, ARMul_TRANSFER, instr, 0); + data = ARMul_LoadWordN (state, address); + //chy 2004-05-25 + if (state->abortSig || state->Aborted) + goto L_ldc_takeabort; + + BUSUSEDINCPCN; //chy 2004-05-25 -/* - if (BIT (21)) - LSBase = state->Base; -*/ + /* + if (BIT (21)) + LSBase = state->Base; + */ - cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data); + cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data); - while (cpab == ARMul_INC) { - address += 4; - data = ARMul_LoadWordN (state, address); - //chy 2004-05-25 - if (state->abortSig || state->Aborted) - goto L_ldc_takeabort; + while (cpab == ARMul_INC) { + address += 4; + data = ARMul_LoadWordN (state, address); + //chy 2004-05-25 + if (state->abortSig || state->Aborted) + goto L_ldc_takeabort; - cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data); - } + cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data); + } //chy 2004-05-25 - L_ldc_takeabort: - if (BIT (21)) { - if (! - ((state->abortSig || state->Aborted) - && state->lateabtSig == LOW)) - LSBase = state->Base; - } +L_ldc_takeabort: + if (BIT (21)) { + if (! + ((state->abortSig || state->Aborted) + && state->lateabtSig == LOW)) + LSBase = state->Base; + } - if (state->abortSig || state->Aborted) - TAKEABORT; + if (state->abortSig || state->Aborted) + TAKEABORT; } /* This function does the work of generating the addresses used in an @@ -569,88 +566,88 @@ ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address) void ARMul_STC (ARMul_State * state, ARMword instr, ARMword address) { - unsigned cpab; - ARMword data; + unsigned cpab; + ARMword data; - UNDEF_LSCPCBaseWb; + UNDEF_LSCPCBaseWb; - //printf("SKYEYE ARMul_STC, CPnum is %x, instr %x, addr %x\n",CPNum, instr, address); - /*chy 2004-05-23 should update this function in the future,should concern dataabort */ + //printf("SKYEYE ARMul_STC, CPnum is %x, instr %x, addr %x\n",CPNum, instr, address); + /*chy 2004-05-23 should update this function in the future,should concern dataabort */ // skyeye_instr_debug=0;printf("SKYEYE debug end!!!!\n"); -// chy 2004-05-25 , fix it now,so needn't printf +// chy 2004-05-25 , fix it now,so needn't printf // printf("SKYEYE ARMul_STC, should update this function!!!!!\n"); - //exit(-1); - if (!CP_ACCESS_ALLOWED (state, CPNum)) { - /* - printf - ("SKYEYE ARMul_STC,NOT ALLOW, undefinstr, CPnum is %x, instr %x, addr %x\n", - CPNum, instr, address); - */ - ARMul_UndefInstr (state, instr); - return; - } - - //if (ADDREXCEPT (address) || VECTORACCESS (address)) - // INTERNALABORT (address); - - cpab = (state->STC[CPNum]) (state, ARMul_FIRST, instr, &data); - while (cpab == ARMul_BUSY) { - ARMul_Icycles (state, 1, 0); - if (IntPending (state)) { - cpab = (state->STC[CPNum]) (state, ARMul_INTERRUPT, - instr, 0); - return; - } - else - cpab = (state->STC[CPNum]) (state, ARMul_BUSY, instr, - &data); - } - - if (cpab == ARMul_CANT) { - /* - printf - ("SKYEYE ARMul_STC,CANT, undefinstr, CPnum is %x, instr %x, addr %x\n", - CPNum, instr, address); - */ - CPTAKEABORT; - return; - } -#ifndef MODE32 - if (ADDREXCEPT (address) || VECTORACCESS (address)) - INTERNALABORT (address); -#endif - BUSUSEDINCPCN; + //exit(-1); + //if (!CP_ACCESS_ALLOWED (state, CPNum)) { + if (!state->STC[CPNum]) { + /* + printf + ("SKYEYE ARMul_STC,NOT ALLOW, undefinstr, CPnum is %x, instr %x, addr %x\n", + CPNum, instr, address); + */ + ARMul_UndefInstr (state, instr); + return; + } + + /*if (ADDREXCEPT (address) || VECTORACCESS (address)) + INTERNALABORT (address);*/ + + cpab = (state->STC[CPNum]) (state, ARMul_FIRST, instr, &data); + while (cpab == ARMul_BUSY) { + ARMul_Icycles (state, 1, 0); + if (IntPending (state)) { + cpab = (state->STC[CPNum]) (state, ARMul_INTERRUPT, + instr, 0); + return; + } else + cpab = (state->STC[CPNum]) (state, ARMul_BUSY, instr, + &data); + } + + if (cpab == ARMul_CANT) { + /* + printf + ("SKYEYE ARMul_STC,CANT, undefinstr, CPnum is %x, instr %x, addr %x\n", + CPNum, instr, address); + */ + CPTAKEABORT; + return; + } + /*#ifndef MODE32 + if (ADDREXCEPT (address) || VECTORACCESS (address)) + INTERNALABORT (address); + #endif*/ + BUSUSEDINCPCN; //chy 2004-05-25 -/* - if (BIT (21)) - LSBase = state->Base; -*/ - cpab = (state->STC[CPNum]) (state, ARMul_DATA, instr, &data); - ARMul_StoreWordN (state, address, data); - //chy 2004-05-25 - if (state->abortSig || state->Aborted) - goto L_stc_takeabort; - - while (cpab == ARMul_INC) { - address += 4; - cpab = (state->STC[CPNum]) (state, ARMul_DATA, instr, &data); - ARMul_StoreWordN (state, address, data); - //chy 2004-05-25 - if (state->abortSig || state->Aborted) - goto L_stc_takeabort; - } + /* + if (BIT (21)) + LSBase = state->Base; + */ + cpab = (state->STC[CPNum]) (state, ARMul_DATA, instr, &data); + ARMul_StoreWordN (state, address, data); + //chy 2004-05-25 + if (state->abortSig || state->Aborted) + goto L_stc_takeabort; + + while (cpab == ARMul_INC) { + address += 4; + cpab = (state->STC[CPNum]) (state, ARMul_DATA, instr, &data); + ARMul_StoreWordN (state, address, data); + //chy 2004-05-25 + if (state->abortSig || state->Aborted) + goto L_stc_takeabort; + } //chy 2004-05-25 - L_stc_takeabort: - if (BIT (21)) { - if (! - ((state->abortSig || state->Aborted) - && state->lateabtSig == LOW)) - LSBase = state->Base; - } +L_stc_takeabort: + if (BIT (21)) { + if (! + ((state->abortSig || state->Aborted) + && state->lateabtSig == LOW)) + LSBase = state->Base; + } - if (state->abortSig || state->Aborted) - TAKEABORT; + if (state->abortSig || state->Aborted) + TAKEABORT; } /* This function does the Busy-Waiting for an MCR instruction. */ @@ -658,39 +655,53 @@ ARMul_STC (ARMul_State * state, ARMword instr, ARMword address) void ARMul_MCR (ARMul_State * state, ARMword instr, ARMword source) { - unsigned cpab; - - //printf("SKYEYE ARMul_MCR, CPnum is %x, source %x\n",CPNum, source); - if (!CP_ACCESS_ALLOWED (state, CPNum)) { - //chy 2004-07-19 should fix in the future ????!!!! - //printf("SKYEYE ARMul_MCR, ACCESS_not ALLOWed, UndefinedInstr CPnum is %x, source %x\n",CPNum, source); - ARMul_UndefInstr (state, instr); - return; - } - - cpab = (state->MCR[CPNum]) (state, ARMul_FIRST, instr, source); - - while (cpab == ARMul_BUSY) { - ARMul_Icycles (state, 1, 0); - - if (IntPending (state)) { - cpab = (state->MCR[CPNum]) (state, ARMul_INTERRUPT, - instr, 0); - return; - } - else - cpab = (state->MCR[CPNum]) (state, ARMul_BUSY, instr, - source); - } - - if (cpab == ARMul_CANT) { - printf ("SKYEYE ARMul_MCR, CANT, UndefinedInstr %x CPnum is %x, source %x\n", instr, CPNum, source); - ARMul_Abort (state, ARMul_UndefinedInstrV); - } - else { - BUSUSEDINCPCN; - ARMul_Ccycles (state, 1, 0); - } + unsigned cpab; + int cm = BITS(0, 3) & 0xf; + int cp = BITS(5, 7) & 0x7; + int rd = BITS(12, 15) & 0xf; + int cn = BITS(16, 19) & 0xf; + int cpopc = BITS(21, 23) & 0x7; + + if (CPNum == 15 && source == 0) //Cache flush + { + return; + } + + //printf("SKYEYE ARMul_MCR, CPnum is %x, source %x\n",CPNum, source); + //if (!CP_ACCESS_ALLOWED (state, CPNum)) { + if (!state->MCR[CPNum]) { + //chy 2004-07-19 should fix in the future ????!!!! + DEBUG("SKYEYE ARMul_MCR, ACCESS_not ALLOWed, UndefinedInstr CPnum is %x, source %x\n",CPNum, source); + ARMul_UndefInstr (state, instr); + return; + } + + //DEBUG("SKYEYE ARMul_MCR p%d, %d, r%d, c%d, c%d, %d\n", CPNum, cpopc, rd, cn, cm, cp); + //DEBUG("plutoo: MCR not implemented\n"); + //exit(1); + //return; + + cpab = (state->MCR[CPNum]) (state, ARMul_FIRST, instr, source); + + while (cpab == ARMul_BUSY) { + ARMul_Icycles (state, 1, 0); + + if (IntPending (state)) { + cpab = (state->MCR[CPNum]) (state, ARMul_INTERRUPT, + instr, 0); + return; + } else + cpab = (state->MCR[CPNum]) (state, ARMul_BUSY, instr, + source); + } + + if (cpab == ARMul_CANT) { + DEBUG("SKYEYE ARMul_MCR, CANT, UndefinedInstr %x CPnum is %x, source %x\n", instr, CPNum, source); //ichfly todo + //ARMul_Abort (state, ARMul_UndefinedInstrV); + } else { + BUSUSEDINCPCN; + ARMul_Ccycles (state, 1, 0); + } } /* This function does the Busy-Waiting for an MCRR instruction. */ @@ -698,83 +709,93 @@ ARMul_MCR (ARMul_State * state, ARMword instr, ARMword source) void ARMul_MCRR (ARMul_State * state, ARMword instr, ARMword source1, ARMword source2) { - unsigned cpab; + unsigned cpab; - if (!CP_ACCESS_ALLOWED (state, CPNum)) { - ARMul_UndefInstr (state, instr); - return; - } + //if (!CP_ACCESS_ALLOWED (state, CPNum)) { + if (!state->MCRR[CPNum]) { + ARMul_UndefInstr (state, instr); + return; + } - cpab = (state->MCRR[CPNum]) (state, ARMul_FIRST, instr, source1, source2); + cpab = (state->MCRR[CPNum]) (state, ARMul_FIRST, instr, source1, source2); - while (cpab == ARMul_BUSY) { - ARMul_Icycles (state, 1, 0); + while (cpab == ARMul_BUSY) { + ARMul_Icycles (state, 1, 0); - if (IntPending (state)) { - cpab = (state->MCRR[CPNum]) (state, ARMul_INTERRUPT, - instr, 0, 0); - return; - } - else - cpab = (state->MCRR[CPNum]) (state, ARMul_BUSY, instr, - source1, source2); - } - if (cpab == ARMul_CANT) { - printf ("In %s, CoProcesscor returned CANT, CPnum is %x, instr %x, source %x %x\n", __FUNCTION__, CPNum, instr, source1, source2); - ARMul_Abort (state, ARMul_UndefinedInstrV); - } - else { - BUSUSEDINCPCN; - ARMul_Ccycles (state, 1, 0); - } + if (IntPending (state)) { + cpab = (state->MCRR[CPNum]) (state, ARMul_INTERRUPT, + instr, 0, 0); + return; + } else + cpab = (state->MCRR[CPNum]) (state, ARMul_BUSY, instr, + source1, source2); + } + if (cpab == ARMul_CANT) { + printf ("In %s, CoProcesscor returned CANT, CPnum is %x, instr %x, source %x %x\n", __FUNCTION__, CPNum, instr, source1, source2); + ARMul_Abort (state, ARMul_UndefinedInstrV); + } else { + BUSUSEDINCPCN; + ARMul_Ccycles (state, 1, 0); + } } /* This function does the Busy-Waiting for an MRC instruction. */ -ARMword -ARMul_MRC (ARMul_State * state, ARMword instr) +ARMword ARMul_MRC (ARMul_State * state, ARMword instr) { - unsigned cpab; + int cm = BITS(0, 3) & 0xf; + int cp = BITS(5, 7) & 0x7; + int rd = BITS(12, 15) & 0xf; + int cn = BITS(16, 19) & 0xf; + int cpopc = BITS(21, 23) & 0x7; + if (cn == 13 && cm == 0 && cp == 3) { //c13,c0,3; returns CPU svc buffer ARMword result = HLE::CallMRC(instr); if (result != -1) { return result; } - - //printf("SKYEYE ARMul_MRC, CPnum is %x, instr %x\n",CPNum, instr); - if (!CP_ACCESS_ALLOWED (state, CPNum)) { - //chy 2004-07-19 should fix in the future????!!!! - //printf("SKYEYE ARMul_MRC,NOT ALLOWed UndefInstr CPnum is %x, instr %x\n",CPNum, instr); - ARMul_UndefInstr (state, instr); - return -1; - } - - cpab = (state->MRC[CPNum]) (state, ARMul_FIRST, instr, &result); - while (cpab == ARMul_BUSY) { - ARMul_Icycles (state, 1, 0); - if (IntPending (state)) { - cpab = (state->MRC[CPNum]) (state, ARMul_INTERRUPT, - instr, 0); - return (0); - } - else - cpab = (state->MRC[CPNum]) (state, ARMul_BUSY, instr, - &result); - } - if (cpab == ARMul_CANT) { - printf ("SKYEYE ARMul_MRC,CANT UndefInstr CPnum is %x, instr %x\n", CPNum, instr); - ARMul_Abort (state, ARMul_UndefinedInstrV); - /* Parent will destroy the flags otherwise. */ - result = ECC; - } - else { - BUSUSEDINCPCN; - ARMul_Ccycles (state, 1, 0); - ARMul_Icycles (state, 1, 0); - } - - return result; + } + + //DEBUG("SKYEYE ARMul_MRC p%d, %d, r%d, c%d, c%d, %d\n", CPNum, cpopc, rd, cn, cm, cp); + //DEBUG("plutoo: MRC not implemented\n"); + //return; + + unsigned cpab; + ARMword result = 0; + + //printf("SKYEYE ARMul_MRC, CPnum is %x, instr %x\n",CPNum, instr); + //if (!CP_ACCESS_ALLOWED (state, CPNum)) { + if (!state->MRC[CPNum]) { + //chy 2004-07-19 should fix in the future????!!!! + DEBUG("SKYEYE ARMul_MRC,NOT ALLOWed UndefInstr CPnum is %x, instr %x\n", CPNum, instr); + ARMul_UndefInstr (state, instr); + return -1; + } + + cpab = (state->MRC[CPNum]) (state, ARMul_FIRST, instr, &result); + while (cpab == ARMul_BUSY) { + ARMul_Icycles (state, 1, 0); + if (IntPending (state)) { + cpab = (state->MRC[CPNum]) (state, ARMul_INTERRUPT, + instr, 0); + return (0); + } else + cpab = (state->MRC[CPNum]) (state, ARMul_BUSY, instr, + &result); + } + if (cpab == ARMul_CANT) { + printf ("SKYEYE ARMul_MRC,CANT UndefInstr CPnum is %x, instr %x\n", CPNum, instr); + ARMul_Abort (state, ARMul_UndefinedInstrV); + /* Parent will destroy the flags otherwise. */ + result = ECC; + } else { + BUSUSEDINCPCN; + ARMul_Ccycles (state, 1, 0); + ARMul_Icycles (state, 1, 0); + } + + return result; } /* This function does the Busy-Waiting for an MRRC instruction. (to verify) */ @@ -782,39 +803,38 @@ ARMul_MRC (ARMul_State * state, ARMword instr) void ARMul_MRRC (ARMul_State * state, ARMword instr, ARMword * dest1, ARMword * dest2) { - unsigned cpab; - ARMword result1 = 0; - ARMword result2 = 0; - - if (!CP_ACCESS_ALLOWED (state, CPNum)) { - ARMul_UndefInstr (state, instr); - return; - } - - cpab = (state->MRRC[CPNum]) (state, ARMul_FIRST, instr, &result1, &result2); - while (cpab == ARMul_BUSY) { - ARMul_Icycles (state, 1, 0); - if (IntPending (state)) { - cpab = (state->MRRC[CPNum]) (state, ARMul_INTERRUPT, - instr, 0, 0); - return; - } - else - cpab = (state->MRRC[CPNum]) (state, ARMul_BUSY, instr, - &result1, &result2); - } - if (cpab == ARMul_CANT) { - printf ("In %s, CoProcesscor returned CANT, CPnum is %x, instr %x\n", __FUNCTION__, CPNum, instr); - ARMul_Abort (state, ARMul_UndefinedInstrV); - } - else { - BUSUSEDINCPCN; - ARMul_Ccycles (state, 1, 0); - ARMul_Icycles (state, 1, 0); - } - - *dest1 = result1; - *dest2 = result2; + unsigned cpab; + ARMword result1 = 0; + ARMword result2 = 0; + + //if (!CP_ACCESS_ALLOWED (state, CPNum)) { + if (!state->MRRC[CPNum]) { + ARMul_UndefInstr (state, instr); + return; + } + + cpab = (state->MRRC[CPNum]) (state, ARMul_FIRST, instr, &result1, &result2); + while (cpab == ARMul_BUSY) { + ARMul_Icycles (state, 1, 0); + if (IntPending (state)) { + cpab = (state->MRRC[CPNum]) (state, ARMul_INTERRUPT, + instr, 0, 0); + return; + } else + cpab = (state->MRRC[CPNum]) (state, ARMul_BUSY, instr, + &result1, &result2); + } + if (cpab == ARMul_CANT) { + printf ("In %s, CoProcesscor returned CANT, CPnum is %x, instr %x\n", __FUNCTION__, CPNum, instr); + ARMul_Abort (state, ARMul_UndefinedInstrV); + } else { + BUSUSEDINCPCN; + ARMul_Ccycles (state, 1, 0); + ARMul_Icycles (state, 1, 0); + } + + *dest1 = result1; + *dest2 = result2; } /* This function does the Busy-Waiting for an CDP instruction. */ @@ -822,27 +842,27 @@ ARMul_MRRC (ARMul_State * state, ARMword instr, ARMword * dest1, ARMword * dest2 void ARMul_CDP (ARMul_State * state, ARMword instr) { - unsigned cpab; - - if (!CP_ACCESS_ALLOWED (state, CPNum)) { - ARMul_UndefInstr (state, instr); - return; - } - cpab = (state->CDP[CPNum]) (state, ARMul_FIRST, instr); - while (cpab == ARMul_BUSY) { - ARMul_Icycles (state, 1, 0); - if (IntPending (state)) { - cpab = (state->CDP[CPNum]) (state, ARMul_INTERRUPT, - instr); - return; - } - else - cpab = (state->CDP[CPNum]) (state, ARMul_BUSY, instr); - } - if (cpab == ARMul_CANT) - ARMul_Abort (state, ARMul_UndefinedInstrV); - else - BUSUSEDN; + unsigned cpab; + + //if (!CP_ACCESS_ALLOWED (state, CPNum)) { + if (!state->CDP[CPNum]) { + ARMul_UndefInstr (state, instr); + return; + } + cpab = (state->CDP[CPNum]) (state, ARMul_FIRST, instr); + while (cpab == ARMul_BUSY) { + ARMul_Icycles (state, 1, 0); + if (IntPending (state)) { + cpab = (state->CDP[CPNum]) (state, ARMul_INTERRUPT, + instr); + return; + } else + cpab = (state->CDP[CPNum]) (state, ARMul_BUSY, instr); + } + if (cpab == ARMul_CANT) + ARMul_Abort (state, ARMul_UndefinedInstrV); + else + BUSUSEDN; } /* This function handles Undefined instructions, as CP isntruction. */ @@ -850,11 +870,13 @@ ARMul_CDP (ARMul_State * state, ARMword instr) void ARMul_UndefInstr (ARMul_State * state, ARMword instr) { - char buff[512]; - ARM_Disasm disasm = ARM_Disasm(); - disasm.disasm(state->pc, instr, buff); - ERROR_LOG(ARM11, "Undefined instruction!! Disasm: %s Opcode: 0x%x", buff, instr); - ARMul_Abort (state, ARMul_UndefinedInstrV); + /*SKYEYE_LOG_IN_CLR(RED, "In %s, line = %d, undef instr: 0x%x\n", + __func__, __LINE__, instr);*/ + char buff[512]; + ARM_Disasm disasm = ARM_Disasm(); + disasm.disasm(state->pc, instr, buff); + ERROR_LOG(ARM11, "Undefined instruction!! Disasm: %s Opcode: 0x%x", buff, instr); + ARMul_Abort (state, ARMul_UndefinedInstrV); } /* Return TRUE if an interrupt is pending, FALSE otherwise. */ @@ -862,33 +884,31 @@ ARMul_UndefInstr (ARMul_State * state, ARMword instr) unsigned IntPending (ARMul_State * state) { - /* Any exceptions. */ - if (state->NresetSig == LOW) { - ARMul_Abort (state, ARMul_ResetV); - return TRUE; - } - else if (!state->NfiqSig && !FFLAG) { - ARMul_Abort (state, ARMul_FIQV); - return TRUE; - } - else if (!state->NirqSig && !IFLAG) { - ARMul_Abort (state, ARMul_IRQV); - return TRUE; - } + /* Any exceptions. */ + if (state->NresetSig == LOW) { + ARMul_Abort (state, ARMul_ResetV); + return TRUE; + } else if (!state->NfiqSig && !FFLAG) { + ARMul_Abort (state, ARMul_FIQV); + return TRUE; + } else if (!state->NirqSig && !IFLAG) { + ARMul_Abort (state, ARMul_IRQV); + return TRUE; + } - return FALSE; + return FALSE; } /* Align a word access to a non word boundary. */ ARMword -ARMul_Align (ARMul_State *state, ARMword address, ARMword data) +ARMul_Align (ARMul_State* state, ARMword address, ARMword data) { - /* This code assumes the address is really unaligned, - as a shift by 32 is undefined in C. */ + /* This code assumes the address is really unaligned, + as a shift by 32 is undefined in C. */ - address = (address & 3) << 3; /* Get the word address. */ - return ((data >> address) | (data << (32 - address))); /* rot right */ + address = (address & 3) << 3; /* Get the word address. */ + return ((data >> address) | (data << (32 - address))); /* rot right */ } /* This routine is used to call another routine after a certain number of @@ -898,19 +918,23 @@ ARMul_Align (ARMul_State *state, ARMword address, ARMword data) void ARMul_ScheduleEvent (ARMul_State * state, unsigned int delay, - unsigned (*what) (ARMul_State *)) + unsigned (*what) (ARMul_State *)) { - unsigned int when; - struct EventNode *event; + unsigned int when; + struct EventNode *event; - if (state->EventSet++ == 0) - state->Now = ARMul_Time (state); - when = (state->Now + delay) % EVENTLISTSIZE; - event = (struct EventNode *) malloc (sizeof (struct EventNode)); - _dbg_assert_msg_(ARM11, event, "SKYEYE:ARMul_ScheduleEvent: malloc event error\n"); - event->func = what; - event->next = *(state->EventPtr + when); - *(state->EventPtr + when) = event; + if (state->EventSet++ == 0) + state->Now = ARMul_Time (state); + when = (state->Now + delay) % EVENTLISTSIZE; + event = (struct EventNode *) malloc (sizeof (struct EventNode)); + if (!event) { + printf ("SKYEYE:ARMul_ScheduleEvent: malloc event error\n"); + exit(-1); + //skyeye_exit (-1); + } + event->func = what; + event->next = *(state->EventPtr + when); + *(state->EventPtr + when) = event; } /* This routine is called at the beginning of @@ -919,18 +943,18 @@ ARMul_ScheduleEvent (ARMul_State * state, unsigned int delay, void ARMul_EnvokeEvent (ARMul_State * state) { - static unsigned int then; - - then = state->Now; - state->Now = ARMul_Time (state) % EVENTLISTSIZE; - if (then < state->Now) - /* Schedule events. */ - EnvokeList (state, then, state->Now); - else if (then > state->Now) { - /* Need to wrap around the list. */ - EnvokeList (state, then, EVENTLISTSIZE - 1L); - EnvokeList (state, 0L, state->Now); - } + static unsigned int then; + + then = state->Now; + state->Now = ARMul_Time (state) % EVENTLISTSIZE; + if (then < state->Now) + /* Schedule events. */ + EnvokeList (state, then, state->Now); + else if (then > state->Now) { + /* Need to wrap around the list. */ + EnvokeList (state, then, EVENTLISTSIZE - 1L); + EnvokeList (state, 0L, state->Now); + } } /* Envokes all the entries in a range. */ @@ -938,17 +962,17 @@ ARMul_EnvokeEvent (ARMul_State * state) static void EnvokeList (ARMul_State * state, unsigned int from, unsigned int to) { - for (; from <= to; from++) { - struct EventNode *anevent; + for (; from <= to; from++) { + struct EventNode *anevent; - anevent = *(state->EventPtr + from); - while (anevent) { - (anevent->func) (state); - state->EventSet--; - anevent = anevent->next; - } - *(state->EventPtr + from) = NULL; - } + anevent = *(state->EventPtr + from); + while (anevent) { + (anevent->func) (state); + state->EventSet--; + anevent = anevent->next; + } + *(state->EventPtr + from) = NULL; + } } /* This routine is returns the number of clock ticks since the last reset. */ @@ -956,6 +980,6 @@ EnvokeList (ARMul_State * state, unsigned int from, unsigned int to) unsigned int ARMul_Time (ARMul_State * state) { - return (state->NumScycles + state->NumNcycles + - state->NumIcycles + state->NumCcycles + state->NumFcycles); + return (state->NumScycles + state->NumNcycles + + state->NumIcycles + state->NumCcycles + state->NumFcycles); } |