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Diffstat (limited to 'src/core/arm/interpreter/armcopro.cpp')
| -rw-r--r-- | src/core/arm/interpreter/armcopro.cpp | 842 |
1 files changed, 842 insertions, 0 deletions
diff --git a/src/core/arm/interpreter/armcopro.cpp b/src/core/arm/interpreter/armcopro.cpp new file mode 100644 index 000000000..6a75e6601 --- /dev/null +++ b/src/core/arm/interpreter/armcopro.cpp @@ -0,0 +1,842 @@ +/* armcopro.c -- co-processor interface: ARM6 Instruction Emulator. + Copyright (C) 1994, 2000 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 "core/arm/interpreter/armdefs.h" +#include "core/arm/interpreter/armos.h" +#include "core/arm/interpreter/armemu.h" +#include "core/arm/interpreter/vfp/vfp.h" + +//chy 2005-07-08 +//#include "ansidecl.h" +//chy ------- +//#include "iwmmxt.h" + + +//chy 2005-09-19 add CP6 MRC support (for get irq number and base) +extern unsigned xscale_cp6_mrc (ARMul_State * state, unsigned type, + ARMword instr, ARMword * data); +//chy 2005-09-19--------------- + +extern unsigned xscale_cp13_init (ARMul_State * state); +extern unsigned xscale_cp13_exit (ARMul_State * state); +extern unsigned xscale_cp13_ldc (ARMul_State * state, unsigned type, + ARMword instr, ARMword data); +extern unsigned xscale_cp13_stc (ARMul_State * state, unsigned type, + ARMword instr, ARMword * data); +extern unsigned xscale_cp13_mrc (ARMul_State * state, unsigned type, + ARMword instr, ARMword * data); +extern unsigned xscale_cp13_mcr (ARMul_State * state, unsigned type, + ARMword instr, ARMword data); +extern unsigned xscale_cp13_cdp (ARMul_State * state, unsigned type, + ARMword instr); +extern unsigned xscale_cp13_read_reg (ARMul_State * state, unsigned reg, + ARMword * data); +extern unsigned xscale_cp13_write_reg (ARMul_State * state, unsigned reg, + ARMword data); +extern unsigned xscale_cp14_init (ARMul_State * state); +extern unsigned xscale_cp14_exit (ARMul_State * state); +extern unsigned xscale_cp14_ldc (ARMul_State * state, unsigned type, + ARMword instr, ARMword data); +extern unsigned xscale_cp14_stc (ARMul_State * state, unsigned type, + ARMword instr, ARMword * data); +extern unsigned xscale_cp14_mrc (ARMul_State * state, unsigned type, + ARMword instr, ARMword * data); +extern unsigned xscale_cp14_mcr (ARMul_State * state, unsigned type, + ARMword instr, ARMword data); +extern unsigned xscale_cp14_cdp (ARMul_State * state, unsigned type, + ARMword instr); +extern unsigned xscale_cp14_read_reg (ARMul_State * state, unsigned reg, + ARMword * data); +extern unsigned xscale_cp14_write_reg (ARMul_State * state, unsigned reg, + ARMword data); +extern unsigned xscale_cp15_init (ARMul_State * state); +extern unsigned xscale_cp15_exit (ARMul_State * state); +extern unsigned xscale_cp15_ldc (ARMul_State * state, unsigned type, + ARMword instr, ARMword data); +extern unsigned xscale_cp15_stc (ARMul_State * state, unsigned type, + ARMword instr, ARMword * data); +extern unsigned xscale_cp15_mrc (ARMul_State * state, unsigned type, + ARMword instr, ARMword * data); +extern unsigned xscale_cp15_mcr (ARMul_State * state, unsigned type, + ARMword instr, ARMword data); +extern unsigned xscale_cp15_cdp (ARMul_State * state, unsigned type, + ARMword instr); +extern unsigned xscale_cp15_read_reg (ARMul_State * state, unsigned reg, + ARMword * data); +extern unsigned xscale_cp15_write_reg (ARMul_State * state, unsigned reg, + ARMword data); +extern unsigned xscale_cp15_cp_access_allowed (ARMul_State * state, unsigned reg, + unsigned cpnum); + +/* Dummy Co-processors. */ + +static unsigned +NoCoPro3R (ARMul_State * state, + unsigned a, ARMword b) +{ + return ARMul_CANT; +} + +static unsigned +NoCoPro4R (ARMul_State * state, + unsigned a, + ARMword b, ARMword c) +{ + return ARMul_CANT; +} + +static unsigned +NoCoPro4W (ARMul_State * state, + unsigned a, + ARMword b, ARMword * c) +{ + return ARMul_CANT; +} + +static unsigned +NoCoPro5R (ARMul_State * state, + unsigned a, + ARMword b, + ARMword c, ARMword d) +{ + return ARMul_CANT; +} + +static unsigned +NoCoPro5W (ARMul_State * state, + unsigned a, + ARMword b, + ARMword * c, ARMword * d ) +{ + return ARMul_CANT; +} + +/* The XScale Co-processors. */ + +/* Coprocessor 15: System Control. */ +static void write_cp14_reg (unsigned, ARMword); +static ARMword read_cp14_reg (unsigned); + +/* There are two sets of registers for copro 15. + One set is available when opcode_2 is 0 and + the other set when opcode_2 >= 1. */ +static ARMword XScale_cp15_opcode_2_is_0_Regs[16]; +static ARMword XScale_cp15_opcode_2_is_not_0_Regs[16]; +/* There are also a set of breakpoint registers + which are accessed via CRm instead of opcode_2. */ +static ARMword XScale_cp15_DBR1; +static ARMword XScale_cp15_DBCON; +static ARMword XScale_cp15_IBCR0; +static ARMword XScale_cp15_IBCR1; + +static unsigned +XScale_cp15_init (ARMul_State * state) +{ + int i; + + for (i = 16; i--;) { + XScale_cp15_opcode_2_is_0_Regs[i] = 0; + XScale_cp15_opcode_2_is_not_0_Regs[i] = 0; + } + + /* Initialise the processor ID. */ + //chy 2003-03-24, is same as cpu id in skyeye_options.c + //XScale_cp15_opcode_2_is_0_Regs[0] = 0x69052000; + XScale_cp15_opcode_2_is_0_Regs[0] = 0x69050000; + + /* Initialise the cache type. */ + XScale_cp15_opcode_2_is_not_0_Regs[0] = 0x0B1AA1AA; + + /* Initialise the ARM Control Register. */ + XScale_cp15_opcode_2_is_0_Regs[1] = 0x00000078; + + return No_exp; +} + +/* Check an access to a register. */ + +static unsigned +check_cp15_access (ARMul_State * state, + unsigned reg, + unsigned CRm, unsigned opcode_1, unsigned opcode_2) +{ + /* Do not allow access to these register in USER mode. */ + //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode + if (state->Mode == USER26MODE || state->Mode == USER32MODE ) + return ARMul_CANT; + + /* Opcode_1should be zero. */ + if (opcode_1 != 0) + return ARMul_CANT; + + /* Different register have different access requirements. */ + switch (reg) { + case 0: + case 1: + /* CRm must be 0. Opcode_2 can be anything. */ + if (CRm != 0) + return ARMul_CANT; + break; + case 2: + case 3: + /* CRm must be 0. Opcode_2 must be zero. */ + if ((CRm != 0) || (opcode_2 != 0)) + return ARMul_CANT; + break; + case 4: + /* Access not allowed. */ + return ARMul_CANT; + case 5: + case 6: + /* Opcode_2 must be zero. CRm must be 0. */ + if ((CRm != 0) || (opcode_2 != 0)) + return ARMul_CANT; + break; + case 7: + /* Permissable combinations: + Opcode_2 CRm + 0 5 + 0 6 + 0 7 + 1 5 + 1 6 + 1 10 + 4 10 + 5 2 + 6 5 */ + switch (opcode_2) { + default: + return ARMul_CANT; + case 6: + if (CRm != 5) + return ARMul_CANT; + break; + case 5: + if (CRm != 2) + return ARMul_CANT; + break; + case 4: + if (CRm != 10) + return ARMul_CANT; + break; + case 1: + if ((CRm != 5) && (CRm != 6) && (CRm != 10)) + return ARMul_CANT; + break; + case 0: + if ((CRm < 5) || (CRm > 7)) + return ARMul_CANT; + break; + } + break; + + case 8: + /* Permissable combinations: + Opcode_2 CRm + 0 5 + 0 6 + 0 7 + 1 5 + 1 6 */ + if (opcode_2 > 1) + return ARMul_CANT; + if ((CRm < 5) || (CRm > 7)) + return ARMul_CANT; + if (opcode_2 == 1 && CRm == 7) + return ARMul_CANT; + break; + case 9: + /* Opcode_2 must be zero or one. CRm must be 1 or 2. */ + if (((CRm != 0) && (CRm != 1)) + || ((opcode_2 != 1) && (opcode_2 != 2))) + return ARMul_CANT; + break; + case 10: + /* Opcode_2 must be zero or one. CRm must be 4 or 8. */ + if (((CRm != 0) && (CRm != 1)) + || ((opcode_2 != 4) && (opcode_2 != 8))) + return ARMul_CANT; + break; + case 11: + /* Access not allowed. */ + return ARMul_CANT; + case 12: + /* Access not allowed. */ + return ARMul_CANT; + case 13: + /* Opcode_2 must be zero. CRm must be 0. */ + if ((CRm != 0) || (opcode_2 != 0)) + return ARMul_CANT; + break; + case 14: + /* Opcode_2 must be 0. CRm must be 0, 3, 4, 8 or 9. */ + if (opcode_2 != 0) + return ARMul_CANT; + + if ((CRm != 0) && (CRm != 3) && (CRm != 4) && (CRm != 8) + && (CRm != 9)) + return ARMul_CANT; + break; + case 15: + /* Opcode_2 must be zero. CRm must be 1. */ + if ((CRm != 1) || (opcode_2 != 0)) + return ARMul_CANT; + break; + default: + /* Should never happen. */ + return ARMul_CANT; + } + + return ARMul_DONE; +} + +/* Coprocessor 13: Interrupt Controller and Bus Controller. */ + +/* There are two sets of registers for copro 13. + One set (of three registers) is available when CRm is 0 + and the other set (of six registers) when CRm is 1. */ + +static ARMword XScale_cp13_CR0_Regs[16]; +static ARMword XScale_cp13_CR1_Regs[16]; + +static unsigned +XScale_cp13_init (ARMul_State * state) +{ + int i; + + for (i = 16; i--;) { + XScale_cp13_CR0_Regs[i] = 0; + XScale_cp13_CR1_Regs[i] = 0; + } + + return No_exp; +} + +/* Check an access to a register. */ + +static unsigned +check_cp13_access (ARMul_State * state, + unsigned reg, + unsigned CRm, unsigned opcode_1, unsigned opcode_2) +{ + /* Do not allow access to these registers in USER mode. */ + //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode + if (state->Mode == USER26MODE || state->Mode == USER32MODE ) + return ARMul_CANT; + + /* The opcodes should be zero. */ + if ((opcode_1 != 0) || (opcode_2 != 0)) + return ARMul_CANT; + + /* Do not allow access to these register if bit + 13 of coprocessor 15's register 15 is zero. */ + if (!CP_ACCESS_ALLOWED (state, 13)) + return ARMul_CANT; + + /* Registers 0, 4 and 8 are defined when CRm == 0. + Registers 0, 1, 4, 5, 6, 7, 8 are defined when CRm == 1. + For all other CRm values undefined behaviour results. */ + if (CRm == 0) { + if (reg == 0 || reg == 4 || reg == 8) + return ARMul_DONE; + } + else if (CRm == 1) { + if (reg == 0 || reg == 1 || (reg >= 4 && reg <= 8)) + return ARMul_DONE; + } + + return ARMul_CANT; +} + +/* Coprocessor 14: Performance Monitoring, Clock and Power management, + Software Debug. */ + +static ARMword XScale_cp14_Regs[16]; + +static unsigned +XScale_cp14_init (ARMul_State * state) +{ + int i; + + for (i = 16; i--;) + XScale_cp14_Regs[i] = 0; + + return No_exp; +} + +/* Check an access to a register. */ + +static unsigned +check_cp14_access (ARMul_State * state, + unsigned reg, + unsigned CRm, unsigned opcode1, unsigned opcode2) +{ + /* Not allowed to access these register in USER mode. */ + //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode + if (state->Mode == USER26MODE || state->Mode == USER32MODE ) + return ARMul_CANT; + + /* CRm should be zero. */ + if (CRm != 0) + return ARMul_CANT; + + /* OPcodes should be zero. */ + if (opcode1 != 0 || opcode2 != 0) + return ARMul_CANT; + + /* Accessing registers 4 or 5 has unpredicatable results. */ + if (reg >= 4 && reg <= 5) + return ARMul_CANT; + + return ARMul_DONE; +} + +/* Here's ARMulator's MMU definition. A few things to note: + 1) It has eight registers, but only two are defined. + 2) You can only access its registers with MCR and MRC. + 3) MMU Register 0 (ID) returns 0x41440110 + 4) Register 1 only has 4 bits defined. Bits 0 to 3 are unused, bit 4 + controls 32/26 bit program space, bit 5 controls 32/26 bit data space, + bit 6 controls late abort timimg and bit 7 controls big/little endian. */ + +static ARMword MMUReg[8]; + +static unsigned +MMUInit (ARMul_State * state) +{ +/* 2004-05-09 chy +------------------------------------------------------------- +read ARM Architecture Reference Manual +2.6.5 Data Abort +There are three Abort Model in ARM arch. + +Early Abort Model: used in some ARMv3 and earlier implementations. In this +model, base register wirteback occurred for LDC,LDM,STC,STM instructions, and +the base register was unchanged for all other instructions. (oldest) + +Base Restored Abort Model: If a Data Abort occurs in an instruction which +specifies base register writeback, the value in the base register is +unchanged. (strongarm, xscale) + +Base Updated Abort Model: If a Data Abort occurs in an instruction which +specifies base register writeback, the base register writeback still occurs. +(arm720T) + +read PART B +chap2 The System Control Coprocessor CP15 +2.4 Register1:control register +L(bit 6): in some ARMv3 and earlier implementations, the abort model of the +processor could be configured: +0=early Abort Model Selected(now obsolete) +1=Late Abort Model selceted(same as Base Updated Abort Model) + +on later processors, this bit reads as 1 and ignores writes. +------------------------------------------------------------- +So, if lateabtSig=1, then it means Late Abort Model(Base Updated Abort Model) + if lateabtSig=0, then it means Base Restored Abort Model +because the ARMs which skyeye simulates are all belonged to ARMv4, +so I think MMUReg[1]'s bit 6 should always be 1 + +*/ + + MMUReg[1] = state->prog32Sig << 4 | + state->data32Sig << 5 | 1 << 6 | state->bigendSig << 7; + //state->data32Sig << 5 | state->lateabtSig << 6 | state->bigendSig << 7; + + + NOTICE_LOG(ARM11, "ARMul_ConsolePrint: MMU present"); + + return TRUE; +} + +static unsigned +MMUMRC (ARMul_State * state, unsigned type, + ARMword instr, ARMword * value) +{ + mmu_mrc (state, instr, value); + return (ARMul_DONE); +} + +static unsigned +MMUMCR (ARMul_State * state, unsigned type, ARMword instr, ARMword value) +{ + mmu_mcr (state, instr, value); + return (ARMul_DONE); +} + +/* What follows is the Validation Suite Coprocessor. It uses two + co-processor numbers (4 and 5) and has the follwing functionality. + Sixteen registers. Both co-processor nuimbers can be used in an MCR + and MRC to access these registers. CP 4 can LDC and STC to and from + the registers. CP 4 and CP 5 CDP 0 will busy wait for the number of + cycles specified by a CP register. CP 5 CDP 1 issues a FIQ after a + number of cycles (specified in a CP register), CDP 2 issues an IRQW + in the same way, CDP 3 and 4 turn of the FIQ and IRQ source, and CDP 5 + stores a 32 bit time value in a CP register (actually it's the total + number of N, S, I, C and F cyles). */ + +static ARMword ValReg[16]; + +static unsigned +ValLDC (ARMul_State * state, + unsigned type, ARMword instr, ARMword data) +{ + static unsigned words; + + if (type != ARMul_DATA) + words = 0; + else { + ValReg[BITS (12, 15)] = data; + + if (BIT (22)) + /* It's a long access, get two words. */ + if (words++ != 4) + return ARMul_INC; + } + + return ARMul_DONE; +} + +static unsigned +ValSTC (ARMul_State * state, + unsigned type, ARMword instr, ARMword * data) +{ + static unsigned words; + + if (type != ARMul_DATA) + words = 0; + else { + *data = ValReg[BITS (12, 15)]; + + if (BIT (22)) + /* It's a long access, get two words. */ + if (words++ != 4) + return ARMul_INC; + } + + return ARMul_DONE; +} + +static unsigned +ValMRC (ARMul_State * state, + unsigned type, ARMword instr, ARMword * value) +{ + *value = ValReg[BITS (16, 19)]; + + return ARMul_DONE; +} + +static unsigned +ValMCR (ARMul_State * state, + unsigned type, ARMword instr, ARMword value) +{ + ValReg[BITS (16, 19)] = value; + + return ARMul_DONE; +} + +static unsigned +ValCDP (ARMul_State * state, unsigned type, ARMword instr) +{ + static unsigned int finish = 0; + + if (BITS (20, 23) != 0) + return ARMul_CANT; + + if (type == ARMul_FIRST) { + ARMword howlong; + + howlong = ValReg[BITS (0, 3)]; + + /* First cycle of a busy wait. */ + finish = ARMul_Time (state) + howlong; + + return howlong == 0 ? ARMul_DONE : ARMul_BUSY; + } + else if (type == ARMul_BUSY) { + if (ARMul_Time (state) >= finish) + return ARMul_DONE; + else + return ARMul_BUSY; + } + + return ARMul_CANT; +} + +static unsigned +DoAFIQ (ARMul_State * state) +{ + state->NfiqSig = LOW; + return 0; +} + +static unsigned +DoAIRQ (ARMul_State * state) +{ + state->NirqSig = LOW; + return 0; +} + +static unsigned +IntCDP (ARMul_State * state, unsigned type, ARMword instr) +{ + static unsigned int finish; + ARMword howlong; + + howlong = ValReg[BITS (0, 3)]; + + switch ((int) BITS (20, 23)) { + case 0: + if (type == ARMul_FIRST) { + /* First cycle of a busy wait. */ + finish = ARMul_Time (state) + howlong; + + return howlong == 0 ? ARMul_DONE : ARMul_BUSY; + } + else if (type == ARMul_BUSY) { + if (ARMul_Time (state) >= finish) + return ARMul_DONE; + else + return ARMul_BUSY; + } + return ARMul_DONE; + + case 1: + if (howlong == 0) + ARMul_Abort (state, ARMul_FIQV); + else + ARMul_ScheduleEvent (state, howlong, DoAFIQ); + return ARMul_DONE; + + case 2: + if (howlong == 0) + ARMul_Abort (state, ARMul_IRQV); + else + ARMul_ScheduleEvent (state, howlong, DoAIRQ); + return ARMul_DONE; + + case 3: + state->NfiqSig = HIGH; + return ARMul_DONE; + + case 4: + state->NirqSig = HIGH; + return ARMul_DONE; + + case 5: + ValReg[BITS (0, 3)] = ARMul_Time (state); + return ARMul_DONE; + } + + return ARMul_CANT; +} + +/* Install co-processor instruction handlers in this routine. */ + +unsigned +ARMul_CoProInit (ARMul_State * state) +{ + unsigned int i; + + /* Initialise tham all first. */ + for (i = 0; i < 16; i++) + ARMul_CoProDetach (state, i); + + /* Install CoPro Instruction handlers here. + The format is: + ARMul_CoProAttach (state, CP Number, Init routine, Exit routine + LDC routine, STC routine, MRC routine, MCR routine, + CDP routine, Read Reg routine, Write Reg routine). */ + if (state->is_ep9312) { + ARMul_CoProAttach (state, 4, NULL, NULL, DSPLDC4, DSPSTC4, + DSPMRC4, DSPMCR4, NULL, NULL, DSPCDP4, NULL, NULL); + ARMul_CoProAttach (state, 5, NULL, NULL, DSPLDC5, DSPSTC5, + DSPMRC5, DSPMCR5, NULL, NULL, DSPCDP5, NULL, NULL); + ARMul_CoProAttach (state, 6, NULL, NULL, NULL, NULL, + DSPMRC6, DSPMCR6, NULL, NULL, DSPCDP6, NULL, NULL); + } + else { + ARMul_CoProAttach (state, 4, NULL, NULL, ValLDC, ValSTC, + ValMRC, ValMCR, NULL, NULL, ValCDP, NULL, NULL); + + ARMul_CoProAttach (state, 5, NULL, NULL, NULL, NULL, + ValMRC, ValMCR, NULL, NULL, IntCDP, NULL, NULL); + } + + if (state->is_XScale) { + //chy 2005-09-19, for PXA27x's CP6 + if (state->is_pxa27x) { + ARMul_CoProAttach (state, 6, NULL, NULL, + NULL, NULL, xscale_cp6_mrc, + NULL, NULL, NULL, NULL, NULL, NULL); + } + //chy 2005-09-19 end------------- + ARMul_CoProAttach (state, 13, xscale_cp13_init, + xscale_cp13_exit, xscale_cp13_ldc, + xscale_cp13_stc, xscale_cp13_mrc, + xscale_cp13_mcr, NULL, NULL, xscale_cp13_cdp, + xscale_cp13_read_reg, + xscale_cp13_write_reg); + + ARMul_CoProAttach (state, 14, xscale_cp14_init, + xscale_cp14_exit, xscale_cp14_ldc, + xscale_cp14_stc, xscale_cp14_mrc, + xscale_cp14_mcr, NULL, NULL, xscale_cp14_cdp, + xscale_cp14_read_reg, + xscale_cp14_write_reg); + //chy: 2003-08-24. + ARMul_CoProAttach (state, 15, xscale_cp15_init, + xscale_cp15_exit, xscale_cp15_ldc, + xscale_cp15_stc, xscale_cp15_mrc, + xscale_cp15_mcr, NULL, NULL, xscale_cp15_cdp, + xscale_cp15_read_reg, + xscale_cp15_write_reg); + } + else if (state->is_v6) { + ARMul_CoProAttach (state, 10, VFPInit, NULL, VFPLDC, VFPSTC, + VFPMRC, VFPMCR, VFPMRRC, VFPMCRR, VFPCDP, NULL, NULL); + ARMul_CoProAttach (state, 11, VFPInit, NULL, VFPLDC, VFPSTC, + VFPMRC, VFPMCR, VFPMRRC, VFPMCRR, VFPCDP, NULL, NULL); + + ARMul_CoProAttach (state, 15, MMUInit, NULL, NULL, NULL, + MMUMRC, MMUMCR, NULL, NULL, NULL, NULL, NULL); + } + else { //all except xscale + ARMul_CoProAttach (state, 15, MMUInit, NULL, NULL, NULL, + // MMUMRC, MMUMCR, NULL, MMURead, MMUWrite); + MMUMRC, MMUMCR, NULL, NULL, NULL, NULL, NULL); + } +//chy 2003-09-03 do it in future!!!!???? +#if 0 + if (state->is_iWMMXt) { + ARMul_CoProAttach (state, 0, NULL, NULL, IwmmxtLDC, IwmmxtSTC, + NULL, NULL, IwmmxtCDP, NULL, NULL); + + ARMul_CoProAttach (state, 1, NULL, NULL, NULL, NULL, + IwmmxtMRC, IwmmxtMCR, IwmmxtCDP, NULL, + NULL); + } +#endif + //----------------------------------------------------------------------------- + //chy 2004-05-25, found the user/system code visit CP 1,2, so I add below code. + ARMul_CoProAttach (state, 1, NULL, NULL, NULL, NULL, + ValMRC, ValMCR, NULL, NULL, NULL, NULL, NULL); + ARMul_CoProAttach (state, 2, NULL, NULL, ValLDC, ValSTC, + NULL, NULL, NULL, NULL, NULL, NULL, NULL); + //------------------------------------------------------------------------------ + /* No handlers below here. */ + + /* Call all the initialisation routines. */ + for (i = 0; i < 16; i++) + if (state->CPInit[i]) + (state->CPInit[i]) (state); + + return TRUE; +} + +/* Install co-processor finalisation routines in this routine. */ + +void +ARMul_CoProExit (ARMul_State * state) +{ + register unsigned i; + + for (i = 0; i < 16; i++) + if (state->CPExit[i]) + (state->CPExit[i]) (state); + + for (i = 0; i < 16; i++) /* Detach all handlers. */ + ARMul_CoProDetach (state, i); +} + +/* Routines to hook Co-processors into ARMulator. */ + +void +ARMul_CoProAttach (ARMul_State * state, + unsigned number, + ARMul_CPInits * init, + ARMul_CPExits * exit, + ARMul_LDCs * ldc, + ARMul_STCs * stc, + ARMul_MRCs * mrc, + ARMul_MCRs * mcr, + ARMul_MRRCs * mrrc, + ARMul_MCRRs * mcrr, + ARMul_CDPs * cdp, + ARMul_CPReads * read, ARMul_CPWrites * write) +{ + if (init != NULL) + state->CPInit[number] = init; + if (exit != NULL) + state->CPExit[number] = exit; + if (ldc != NULL) + state->LDC[number] = ldc; + if (stc != NULL) + state->STC[number] = stc; + if (mrc != NULL) + state->MRC[number] = mrc; + if (mcr != NULL) + state->MCR[number] = mcr; + if (mrrc != NULL) + state->MRRC[number] = mrrc; + if (mcrr != NULL) + state->MCRR[number] = mcrr; + if (cdp != NULL) + state->CDP[number] = cdp; + if (read != NULL) + state->CPRead[number] = read; + if (write != NULL) + state->CPWrite[number] = write; +} + +void +ARMul_CoProDetach (ARMul_State * state, unsigned number) +{ + ARMul_CoProAttach (state, number, NULL, NULL, + NoCoPro4R, NoCoPro4W, NoCoPro4W, NoCoPro4R, + NoCoPro5W, NoCoPro5R, NoCoPro3R, NULL, NULL); + + state->CPInit[number] = NULL; + state->CPExit[number] = NULL; + state->CPRead[number] = NULL; + state->CPWrite[number] = NULL; +} + +//chy 2003-09-03:below funs just replace the old ones + +/* Set the XScale FSR and FAR registers. */ + +void +XScale_set_fsr_far (ARMul_State * state, ARMword fsr, ARMword _far) +{ + //if (!state->is_XScale || (read_cp14_reg (10) & (1UL << 31)) == 0) + if (!state->is_XScale) + return; + //assume opcode2=0 crm =0 + xscale_cp15_write_reg (state, 5, fsr); + xscale_cp15_write_reg (state, 6, _far); +} + +//chy 2003-09-03 seems 0 is CANT, 1 is DONE ???? +int +XScale_debug_moe (ARMul_State * state, int moe) +{ + //chy 2003-09-03 , W/R CP14 reg, now it's no use ???? + printf ("SKYEYE: XScale_debug_moe called !!!!\n"); + return 1; +} |