diff options
author | bunnei <ericbunnie@gmail.com> | 2014-05-16 04:54:17 +0200 |
---|---|---|
committer | bunnei <ericbunnie@gmail.com> | 2014-05-16 04:54:17 +0200 |
commit | 3e1eafa244dc2ea6a1d8de6e841370c83c362dda (patch) | |
tree | f4fb8778ccb4d71cc73c10a7ad4d0be62acc4533 /src/core/arm/mmu | |
parent | Merge pull request #15 from bunnei/hle-services (diff) | |
download | yuzu-3e1eafa244dc2ea6a1d8de6e841370c83c362dda.tar yuzu-3e1eafa244dc2ea6a1d8de6e841370c83c362dda.tar.gz yuzu-3e1eafa244dc2ea6a1d8de6e841370c83c362dda.tar.bz2 yuzu-3e1eafa244dc2ea6a1d8de6e841370c83c362dda.tar.lz yuzu-3e1eafa244dc2ea6a1d8de6e841370c83c362dda.tar.xz yuzu-3e1eafa244dc2ea6a1d8de6e841370c83c362dda.tar.zst yuzu-3e1eafa244dc2ea6a1d8de6e841370c83c362dda.zip |
Diffstat (limited to 'src/core/arm/mmu')
-rw-r--r-- | src/core/arm/mmu/arm1176jzf_s_mmu.cpp | 1132 | ||||
-rw-r--r-- | src/core/arm/mmu/arm1176jzf_s_mmu.h | 37 | ||||
-rw-r--r-- | src/core/arm/mmu/cache.h | 168 | ||||
-rw-r--r-- | src/core/arm/mmu/rb.h | 55 | ||||
-rw-r--r-- | src/core/arm/mmu/tlb.h | 94 | ||||
-rw-r--r-- | src/core/arm/mmu/wb.h | 63 |
6 files changed, 0 insertions, 1549 deletions
diff --git a/src/core/arm/mmu/arm1176jzf_s_mmu.cpp b/src/core/arm/mmu/arm1176jzf_s_mmu.cpp deleted file mode 100644 index a32f076b9..000000000 --- a/src/core/arm/mmu/arm1176jzf_s_mmu.cpp +++ /dev/null @@ -1,1132 +0,0 @@ -/* - arm1176jzf_s_mmu.c - ARM920T Memory Management Unit emulation. - Copyright (C) 2003 Skyeye Develop Group - for help please send mail to <skyeye-developer@lists.gro.clinux.org> - - 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 <assert.h> -#include <string.h> -#include <stdint.h> - -#include "core/mem_map.h" - -#include "core/arm/interpreter/skyeye_defs.h" - -#include "core/arm/interpreter/armdefs.h" -//#include "bank_defs.h" -#if 0 -#define TLB_SIZE 1024 * 1024 -#define ASID 255 -static uint32_t tlb_entry_array[TLB_SIZE][ASID]; -static inline void invalidate_all_tlb(ARMul_State *state){ - memset(&tlb_entry_array[0], 0xFF, sizeof(uint32_t) * TLB_SIZE * ASID); -} -static inline void invalidate_by_mva(ARMul_State *state, ARMword va){ - memset(&tlb_entry_array[va >> 12][va & 0xFF], 0xFF, sizeof(uint32_t)); - return; -} -static inline void invalidate_by_asid(ARMul_State *state, ARMword asid){ - int i; - for(i = 0; i < TLB_SIZE; i++) - memset(&tlb_entry_array[i][asid & 0xFF], 0xFF, sizeof(uint32_t)); - return; -} - -static uint32_t get_phys_page(ARMul_State* state, ARMword va){ - uint32_t phys_page = tlb_entry_array[va >> 12][state->mmu.context_id & 0xFF]; - //printf("In %s, for va=0x%x, page=0x%x\n", __func__, va, phys_page); - return phys_page; -} - -static inline void insert_tlb(ARMul_State* state, ARMword va, ARMword pa){ - //printf("In %s, insert va=0x%x, pa=0x%x\n", __FUNCTION__, va, pa); - //printf("In %s, insert va=0x%x, va>>12=0x%x, pa=0x%x, pa>>12=0x%x\n", __FUNCTION__, va, va >> 12, pa, pa >> 12); - tlb_entry_array[va >> 12][state->mmu.context_id & 0xFF] = pa >> 12; - - return; -} -#endif -#define BANK0_START 0x50000000 -static void* mem_ptr = NULL; - -static int exclusive_detect(ARMul_State* state, ARMword addr){ - #if 0 - for(int i = 0; i < 128; i++){ - if(state->exclusive_tag_array[i] == addr) - return 0; - } - #endif - if(state->exclusive_tag_array[0] == addr) - return 0; - else - return -1; -} - -static void add_exclusive_addr(ARMul_State* state, ARMword addr){ - #if 0 - for(int i = 0; i < 128; i++){ - if(state->exclusive_tag_array[i] == 0xffffffff){ - state->exclusive_tag_array[i] = addr; - //printf("In %s, add addr 0x%x\n", __func__, addr); - return; - } - } - printf("In %s ,can not monitor the addr, out of array\n", __FUNCTION__); - #endif - state->exclusive_tag_array[0] = addr; - return; -} - -static void remove_exclusive(ARMul_State* state, ARMword addr){ - #if 0 - int i; - for(i = 0; i < 128; i++){ - if(state->exclusive_tag_array[i] == addr){ - state->exclusive_tag_array[i] = 0xffffffff; - //printf("In %s, remove addr 0x%x\n", __func__, addr); - return; - } - } - #endif - state->exclusive_tag_array[0] = 0xFFFFFFFF; -} - -/* This function encodes table 8-2 Interpreting AP bits, - returning non-zero if access is allowed. */ -static int -check_perms (ARMul_State *state, int ap, int read) -{ - int s, r, user; - - s = state->mmu.control & CONTROL_SYSTEM; - r = state->mmu.control & CONTROL_ROM; - /* chy 2006-02-15 , should consider system mode, don't conside 26bit mode */ -// printf("ap is %x, user is %x, s is %x, read is %x\n", ap, user, s, read); -// printf("mode is %x\n", state->Mode); - user = (state->Mode == USER32MODE) || (state->Mode == USER26MODE) || (state->Mode == SYSTEM32MODE); - - switch (ap) { - case 0: - return read && ((s && !user) || r); - case 1: - return !user; - case 2: - return read || !user; - case 3: - return 1; - } - return 0; -} - -#if 0 -fault_t -check_access (ARMul_State *state, ARMword virt_addr, tlb_entry_t *tlb, - int read) -{ - int access; - - state->mmu.last_domain = tlb->domain; - access = (state->mmu.domain_access_control >> (tlb->domain * 2)) & 3; - if ((access == 0) || (access == 2)) { - /* It's unclear from the documentation whether this - should always raise a section domain fault, or if - it should be a page domain fault in the case of an - L1 that describes a page table. In the ARM710T - datasheets, "Figure 8-9: Sequence for checking faults" - seems to indicate the former, while "Table 8-4: Priority - encoding of fault status" gives a value for FS[3210] in - the event of a domain fault for a page. Hmm. */ - return SECTION_DOMAIN_FAULT; - } - if (access == 1) { - /* client access - check perms */ - int subpage, ap; -#if 0 - switch (tlb->mapping) { - /*ks 2004-05-09 - * only for XScale - * Extend Small Page(ESP) Format - * 31-12 bits the base addr of ESP - * 11-10 bits SBZ - * 9-6 bits TEX - * 5-4 bits AP - * 3 bit C - * 2 bit B - * 1-0 bits 11 - * */ - case TLB_ESMALLPAGE: /* xj */ - subpage = 0; - /* printf("TLB_ESMALLPAGE virt_addr=0x%x \n",virt_addr ); */ - break; - - case TLB_TINYPAGE: - subpage = 0; - /* printf("TLB_TINYPAGE virt_addr=0x%x \n",virt_addr ); */ - break; - - case TLB_SMALLPAGE: - subpage = (virt_addr >> 10) & 3; - break; - case TLB_LARGEPAGE: - subpage = (virt_addr >> 14) & 3; - break; - case TLB_SECTION: - subpage = 3; - break; - default: - assert (0); - subpage = 0; /* cleans a warning */ - } - ap = (tlb->perms >> (subpage * 2 + 4)) & 3; - if (!check_perms (state, ap, read)) { - if (tlb->mapping == TLB_SECTION) { - return SECTION_PERMISSION_FAULT; - } else { - return SUBPAGE_PERMISSION_FAULT; - } - } -#endif - } else { /* access == 3 */ - /* manager access - don't check perms */ - } - return NO_FAULT; -} -#endif - -#if 0 -fault_t -mmu_translate (ARMul_State *state, ARMword virt_addr, ARMword *phys_addr) -#endif - -/* ap: AP bits value. - * sop: section or page description 0:section 1:page - */ -fault_t -mmu_translate (ARMul_State *state, ARMword virt_addr, ARMword *phys_addr, int *ap, int *sop) -{ - { - /* walk the translation tables */ - ARMword l1addr, l1desc; - if (state->mmu.translation_table_ctrl && virt_addr << state->mmu.translation_table_ctrl >> (32 - state->mmu.translation_table_ctrl - 1)) { - l1addr = state->mmu.translation_table_base1; - l1addr = (((l1addr >> 14) << 14) | (virt_addr >> 18)) & ~3; - } else { - l1addr = state->mmu.translation_table_base0; - l1addr = (((l1addr >> (14 - state->mmu.translation_table_ctrl)) << (14 - state->mmu.translation_table_ctrl)) | (virt_addr << state->mmu.translation_table_ctrl) >> (18 + state->mmu.translation_table_ctrl)) & ~3; - } - - /* l1desc = mem_read_word (state, l1addr); */ - if (state->space.conf_obj != NULL) - state->space.read(state->space.conf_obj, l1addr, &l1desc, 4); - else - l1desc = Memory::Read32(l1addr); //mem_read_raw(32, l1addr, &l1desc); - - #if 0 - if (virt_addr == 0xc000d2bc) { - printf("mmu_control is %x\n", state->mmu.translation_table_ctrl); - printf("mmu_table_0 is %x\n", state->mmu.translation_table_base0); - printf("mmu_table_1 is %x\n", state->mmu.translation_table_base1); - printf("l1addr is %x l1desc is %x\n", l1addr, l1desc); - // exit(-1); - } - #endif - switch (l1desc & 3) { - case 0: - case 3: - /* - * according to Figure 3-9 Sequence for checking faults in arm manual, - * section translation fault should be returned here. - */ - { - return SECTION_TRANSLATION_FAULT; - } - case 1: - /* coarse page table */ - { - ARMword l2addr, l2desc; - - - l2addr = l1desc & 0xFFFFFC00; - l2addr = (l2addr | - ((virt_addr & 0x000FF000) >> 10)) & - ~3; - if(state->space.conf_obj != NULL) - state->space.read(state->space.conf_obj, l2addr, &l2desc, 4); - else - l2desc = Memory::Read32(l2addr); //mem_read_raw(32, l2addr, &l2desc); - - /* chy 2003-09-02 for xscale */ - *ap = (l2desc >> 4) & 0x3; - *sop = 1; /* page */ - - switch (l2desc & 3) { - case 0: - return PAGE_TRANSLATION_FAULT; - break; - case 1: - *phys_addr = (l2desc & 0xFFFF0000) | (virt_addr & 0x0000FFFF); - break; - case 2: - case 3: - *phys_addr = (l2desc & 0xFFFFF000) | (virt_addr & 0x00000FFF); - break; - - } - } - break; - case 2: - /* section */ - - *ap = (l1desc >> 10) & 3; - *sop = 0; /* section */ - #if 0 - if (virt_addr == 0xc000d2bc) { - printf("mmu_control is %x\n", state->mmu.translation_table_ctrl); - printf("mmu_table_0 is %x\n", state->mmu.translation_table_base0); - printf("mmu_table_1 is %x\n", state->mmu.translation_table_base1); - printf("l1addr is %x l1desc is %x\n", l1addr, l1desc); -// printf("l2addr is %x l2desc is %x\n", l2addr, l2desc); - printf("ap is %x, sop is %x\n", *ap, *sop); - printf("mode is %d\n", state->Mode); -// exit(-1); - } - #endif - - if (l1desc & 0x30000) - *phys_addr = (l1desc & 0xFF000000) | (virt_addr & 0x00FFFFFF); - else - *phys_addr = (l1desc & 0xFFF00000) | (virt_addr & 0x000FFFFF); - break; - } - } - return NO_FAULT; -} - - -static fault_t arm1176jzf_s_mmu_write (ARMul_State *state, ARMword va, - ARMword data, ARMword datatype); -static fault_t arm1176jzf_s_mmu_read (ARMul_State *state, ARMword va, - ARMword *data, ARMword datatype); - -int -arm1176jzf_s_mmu_init (ARMul_State *state) -{ - state->mmu.control = 0x50078; - state->mmu.translation_table_base = 0xDEADC0DE; - state->mmu.domain_access_control = 0xDEADC0DE; - state->mmu.fault_status = 0; - state->mmu.fault_address = 0; - state->mmu.process_id = 0; - state->mmu.context_id = 0; - state->mmu.thread_uro_id = 0; - //invalidate_all_tlb(state); - - return No_exp; -} - -void -arm1176jzf_s_mmu_exit (ARMul_State *state) -{ -} - - -static fault_t -arm1176jzf_s_mmu_load_instr (ARMul_State *state, ARMword va, ARMword *instr) -{ - fault_t fault; - int c; /* cache bit */ - ARMword pa; /* physical addr */ - ARMword perm; /* physical addr access permissions */ - int ap, sop; - - static int debug_count = 0; /* used for debug */ - - //DEBUG_LOG(ARM11, "va = %x\n", va); - - va = mmu_pid_va_map (va); - if (MMU_Enabled) { -// printf("MMU enabled.\n"); -// sleep(1); - /* align check */ - if ((va & (WORD_SIZE - 1)) && MMU_Aligned) { - DEBUG_LOG(ARM11, "align\n"); - return ALIGNMENT_FAULT; - } else - va &= ~(WORD_SIZE - 1); - - /* translate tlb */ - fault = mmu_translate (state, va, &pa, &ap, &sop); - if (fault) { - DEBUG_LOG(ARM11, "translate\n"); - printf("va=0x%x, icounter=%lld, fault=%d\n", va, state->NumInstrs, fault); - return fault; - } - - - /* no tlb, only check permission */ - if (!check_perms(state, ap, 1)) { - if (sop == 0) { - return SECTION_PERMISSION_FAULT; - } else { - return SUBPAGE_PERMISSION_FAULT; - } - } - -#if 0 - /*check access */ - fault = check_access (state, va, tlb, 1); - if (fault) { - DEBUG_LOG(ARM11, "check_fault\n"); - return fault; - } -#endif - } - - /*if MMU disabled or C flag is set alloc cache */ - if (MMU_Disabled) { -// printf("MMU disabled.\n"); -// sleep(1); - pa = va; - } - if(state->space.conf_obj == NULL) - state->space.read(state->space.conf_obj, pa, instr, 4); - else - *instr = Memory::Read32(pa); //mem_read_raw(32, pa, instr); - - return NO_FAULT; -} - -static fault_t -arm1176jzf_s_mmu_read_byte (ARMul_State *state, ARMword virt_addr, ARMword *data) -{ - /* ARMword temp,offset; */ - fault_t fault; - fault = arm1176jzf_s_mmu_read (state, virt_addr, data, ARM_BYTE_TYPE); - return fault; -} - -static fault_t -arm1176jzf_s_mmu_read_halfword (ARMul_State *state, ARMword virt_addr, - ARMword *data) -{ - /* ARMword temp,offset; */ - fault_t fault; - fault = arm1176jzf_s_mmu_read (state, virt_addr, data, ARM_HALFWORD_TYPE); - return fault; -} - -static fault_t -arm1176jzf_s_mmu_read_word (ARMul_State *state, ARMword virt_addr, ARMword *data) -{ - return arm1176jzf_s_mmu_read (state, virt_addr, data, ARM_WORD_TYPE); -} - -static fault_t -arm1176jzf_s_mmu_read (ARMul_State *state, ARMword va, ARMword *data, - ARMword datatype) -{ - fault_t fault; - ARMword pa, real_va, temp, offset; - ARMword perm; /* physical addr access permissions */ - int ap, sop; - - //DEBUG_LOG(ARM11, "va = %x\n", va); - - va = mmu_pid_va_map (va); - real_va = va; - /* if MMU disabled, memory_read */ - if (MMU_Disabled) { -// printf("MMU disabled cpu_id:%x addr:%x.\n", state->mmu.process_id, va); -// sleep(1); - - /* *data = mem_read_word(state, va); */ - if (datatype == ARM_BYTE_TYPE) - /* *data = mem_read_byte (state, va); */ - if(state->space.conf_obj != NULL) - state->space.read(state->space.conf_obj, va, data, 1); - else - *data = Memory::Read8(va); //mem_read_raw(8, va, data); - else if (datatype == ARM_HALFWORD_TYPE) - /* *data = mem_read_halfword (state, va); */ - if(state->space.conf_obj != NULL) - state->space.read(state->space.conf_obj, va, data, 2); - else - *data = Memory::Read16(va); //mem_read_raw(16, va, data); - else if (datatype == ARM_WORD_TYPE) - /* *data = mem_read_word (state, va); */ - if(state->space.conf_obj != NULL) - state->space.read(state->space.conf_obj, va, data, 4); - else - *data = Memory::Read32(va); //mem_read_raw(32, va, data); - else { - ERROR_LOG(ARM11, "SKYEYE:1 arm1176jzf_s_mmu_read error: unknown data type %d\n", datatype); - } - - return NO_FAULT; - } -// printf("MMU enabled.\n"); -// sleep(1); - - /* align check */ - if (((va & 3) && (datatype == ARM_WORD_TYPE) && MMU_Aligned) || - ((va & 1) && (datatype == ARM_HALFWORD_TYPE) && MMU_Aligned)) { - DEBUG_LOG(ARM11, "align\n"); - return ALIGNMENT_FAULT; - } - - /* va &= ~(WORD_SIZE - 1); */ - #if 0 - uint32_t page_base; - page_base = get_phys_page(state, va); - if((page_base & 0xFFF) == 0){ - pa = (page_base << 12) | (va & 0xFFF); - goto skip_translation; - } - #endif - /*translate va to tlb */ -#if 0 - fault = mmu_translate (state, va, ARM920T_D_TLB (), &tlb); -#endif - fault = mmu_translate (state, va, &pa, &ap, &sop); -#if 0 - if(va ==0xbebb1774 || state->Reg[15] == 0x400ff594){ - //printf("In %s, current=0x%x. mode is %x, pc=0x%x\n", __FUNCTION__, state->CurrInstr, state->Mode, state->Reg[15]); - printf("In %s, ap is %d, sop is %d, va=0x%x, pa=0x%x, fault=%d, data=0x%x\n", __FUNCTION__, ap, sop, va, pa, fault, data); - int i; - for(i = 0; i < 16; i++) - printf("Reg[%d]=0x%x\t", i, state->Reg[i]); - printf("\n"); - } -#endif - if (fault) { - DEBUG_LOG(ARM11, "translate\n"); - //printf("mmu read fault at %x\n", va); - //printf("fault is %d\n", fault); - return fault; - } -// printf("va is %x pa is %x\n", va, pa); - - /* no tlb, only check permission */ - if (!check_perms(state, ap, 1)) { - if (sop == 0) { - return SECTION_PERMISSION_FAULT; - } else { - return SUBPAGE_PERMISSION_FAULT; - } - } -#if 0 - /*check access permission */ - fault = check_access (state, va, tlb, 1); - if (fault) - return fault; -#endif - - //insert_tlb(state, va, pa); -skip_translation: - /* *data = mem_read_word(state, pa); */ - if (datatype == ARM_BYTE_TYPE) { - /* *data = mem_read_byte (state, pa | (real_va & 3)); */ - if(state->space.conf_obj != NULL) - state->space.read(state->space.conf_obj, pa | (real_va & 3), data, 1); - else - *data = Memory::Read8(pa | (real_va & 3)); //mem_read_raw(8, pa | (real_va & 3), data); - /* mem_read_raw(32, pa | (real_va & 3), data); */ - } else if (datatype == ARM_HALFWORD_TYPE) { - /* *data = mem_read_halfword (state, pa | (real_va & 2)); */ - if(state->space.conf_obj != NULL) - state->space.read(state->space.conf_obj, pa | (real_va & 3), data, 2); - else - *data = Memory::Read16(pa | (real_va & 3)); //mem_read_raw(16, pa | (real_va & 3), data); - /* mem_read_raw(32, pa | (real_va & 2), data); */ - } else if (datatype == ARM_WORD_TYPE) - /* *data = mem_read_word (state, pa); */ - if(state->space.conf_obj != NULL) - state->space.read(state->space.conf_obj, pa , data, 4); - else - *data = Memory::Read32(pa); //mem_read_raw(32, pa, data); - else { - ERROR_LOG(ARM11, "SKYEYE:2 arm1176jzf_s_mmu_read error: unknown data type %d\n", datatype); - } - if(0 && (va == 0x2869c)){ - printf("In %s, pa is %x va=0x%x, value is %x pc %x, instr=0x%x\n", __FUNCTION__, pa, va, *data, state->Reg[15], state->CurrInstr); - } - - /* ldrex or ldrexb */ - if(((state->CurrInstr & 0x0FF000F0) == 0x01900090) || - ((state->CurrInstr & 0x0FF000F0) == 0x01d00090)){ - int rn = (state->CurrInstr & 0xF0000) >> 16; - if(state->Reg[rn] == va){ - add_exclusive_addr(state, pa | (real_va & 3)); - state->exclusive_access_state = 1; - } - } -#if 0 - if (state->pc == 0xc011a868) { - printf("pa is %x value is %x size is %x\n", pa, data, datatype); - printf("icounter is %lld\n", state->NumInstrs); -// exit(-1); - } -#endif - - return NO_FAULT; -} - - -static fault_t -arm1176jzf_s_mmu_write_byte (ARMul_State *state, ARMword virt_addr, ARMword data) -{ - return arm1176jzf_s_mmu_write (state, virt_addr, data, ARM_BYTE_TYPE); -} - -static fault_t -arm1176jzf_s_mmu_write_halfword (ARMul_State *state, ARMword virt_addr, - ARMword data) -{ - return arm1176jzf_s_mmu_write (state, virt_addr, data, ARM_HALFWORD_TYPE); -} - -static fault_t -arm1176jzf_s_mmu_write_word (ARMul_State *state, ARMword virt_addr, ARMword data) -{ - return arm1176jzf_s_mmu_write (state, virt_addr, data, ARM_WORD_TYPE); -} - - - -static fault_t -arm1176jzf_s_mmu_write (ARMul_State *state, ARMword va, ARMword data, - ARMword datatype) -{ - int b; - ARMword pa, real_va; - ARMword perm; /* physical addr access permissions */ - fault_t fault; - int ap, sop; - -#if 0 - /8 for sky_printk debugger.*/ - if (va == 0xffffffff) { - putchar((char)data); - return 0; - } - if (va == 0xBfffffff) { - putchar((char)data); - return 0; - } -#endif - - //DEBUG_LOG(ARM11, "va = %x, val = %x\n", va, data); - va = mmu_pid_va_map (va); - real_va = va; - - if (MMU_Disabled) { - /* mem_write_word(state, va, data); */ - if (datatype == ARM_BYTE_TYPE) - /* mem_write_byte (state, va, data); */ - if(state->space.conf_obj != NULL) - state->space.write(state->space.conf_obj, va, &data, 1); - else - Memory::Write8(va, data); - else if (datatype == ARM_HALFWORD_TYPE) - /* mem_write_halfword (state, va, data); */ - if(state->space.conf_obj != NULL) - state->space.write(state->space.conf_obj, va, &data, 2); - else - Memory::Write16(va, data); - else if (datatype == ARM_WORD_TYPE) - /* mem_write_word (state, va, data); */ - if(state->space.conf_obj != NULL) - state->space.write(state->space.conf_obj, va, &data, 4); - else - Memory::Write32(va, data); - else { - ERROR_LOG (ARM11, "SKYEYE:1 arm1176jzf_s_mmu_write error: unknown data type %d\n", datatype); - } - goto finished_write; - //return 0; - } - /*align check */ - /* if ((va & (WORD_SIZE - 1)) && MMU_Aligned){ */ - if (((va & 3) && (datatype == ARM_WORD_TYPE) && MMU_Aligned) || - ((va & 1) && (datatype == ARM_HALFWORD_TYPE) && MMU_Aligned)) { - DEBUG_LOG(ARM11, "align\n"); - return ALIGNMENT_FAULT; - } - va &= ~(WORD_SIZE - 1); - #if 0 - uint32_t page_base; - page_base = get_phys_page(state, va); - if((page_base & 0xFFF) == 0){ - pa = (page_base << 12) | (va & 0xFFF); - goto skip_translation; - } - #endif - /*tlb translate */ - fault = mmu_translate (state, va, &pa, &ap, &sop); -#if 0 - if(va ==0xbebb1774 || state->Reg[15] == 0x40102334){ - //printf("In %s, current=0x%x. mode is %x, pc=0x%x\n", __FUNCTION__, state->CurrInstr, state->Mode, state->Reg[15]); - printf("In %s, ap is %d, sop is %d, va=0x%x, pa=0x%x, fault=%d, data=0x%x\n", __FUNCTION__, ap, sop, va, pa, fault, data); - int i; - for(i = 0; i < 16; i++) - printf("Reg[%d]=0x%x\t", i, state->Reg[i]); - printf("\n"); - } -#endif - if (fault) { - DEBUG_LOG(ARM11, "translate\n"); - //printf("mmu write fault at %x\n", va); - return fault; - } -// printf("va is %x pa is %x\n", va, pa); - - /* no tlb, only check permission */ - if (!check_perms(state, ap, 0)) { - if (sop == 0) { - return SECTION_PERMISSION_FAULT; - } else { - return SUBPAGE_PERMISSION_FAULT; - } - } - -#if 0 - /* tlb check access */ - fault = check_access (state, va, tlb, 0); - if (fault) { - DEBUG_LOG(ARM11, "check_access\n"); - return fault; - } -#endif -#if 0 - if (pa <= 0x502860ff && (pa + 1 << datatype) > 0x502860ff) { - printf("pa is %x value is %x size is %x\n", pa, data, datatype); - } -#endif -#if 0 - if (state->pc == 0xc011a878) { - printf("write pa is %x value is %x size is %x\n", pa, data, datatype); - printf("icounter is %lld\n", state->NumInstrs); - exit(-1); - } -#endif - //insert_tlb(state, va, pa); -skip_translation: - /* strex */ - if(((state->CurrInstr & 0x0FF000F0) == 0x01800090) || - ((state->CurrInstr & 0x0FF000F0) == 0x01c00090)){ - /* failed , the address is monitord now. */ - int dest_reg = (state->CurrInstr & 0xF000) >> 12; - if((exclusive_detect(state, pa | (real_va & 3)) == 0) && (state->exclusive_access_state == 1)){ - remove_exclusive(state, pa | (real_va & 3)); - state->Reg[dest_reg] = 0; - state->exclusive_access_state = 0; - } - else{ - state->Reg[dest_reg] = 1; - //printf("In %s, try to strex a monitored address 0x%x\n", __FUNCTION__, pa); - return NO_FAULT; - } - } - - if (datatype == ARM_BYTE_TYPE) { - /* mem_write_byte (state, - (pa | (real_va & 3)), - data); - */ - if(state->space.conf_obj != NULL) - state->space.write(state->space.conf_obj, (pa | (real_va & 3)), &data, 1); - else - Memory::Write8((pa | (real_va & 3)), data); - - } else if (datatype == ARM_HALFWORD_TYPE) - /* mem_write_halfword (state, - (pa | - (real_va & 2)), - data); - */ - if(state->space.conf_obj != NULL) - state->space.write(state->space.conf_obj, (pa | (real_va & 3)), &data, 2); - else - Memory::Write16((pa | (real_va & 3)), data); - else if (datatype == ARM_WORD_TYPE) - /* mem_write_word (state, pa, data); */ - if(state->space.conf_obj != NULL) - state->space.write(state->space.conf_obj, pa, &data, 4); - else - Memory::Write32(pa, data); -#if 0 - if (state->NumInstrs > 236403) { - printf("write memory\n"); - printf("pa is %x value is %x size is %x\n", pa, data, datatype); - printf("icounter is %lld\n", state->NumInstrs); - } -#endif -finished_write: -#if DIFF_WRITE - if(state->icounter > state->debug_icounter){ - if(state->CurrWrite >= 17 ){ - printf("Wrong write array, 0x%x", state->CurrWrite); - exit(-1); - } - uint32 record_data = data; - if(datatype == ARM_BYTE_TYPE) - record_data &= 0xFF; - if(datatype == ARM_HALFWORD_TYPE) - record_data &= 0xFFFF; - - state->WriteAddr[state->CurrWrite] = pa | (real_va & 3); - state->WriteData[state->CurrWrite] = record_data; - state->WritePc[state->CurrWrite] = state->Reg[15]; - state->CurrWrite++; - //printf("In %s, pc=0x%x, addr=0x%x, data=0x%x, CFlag=%d\n", __FUNCTION__, state->Reg[15], pa | (real_va & 3), record_data, state->CFlag); - } -#endif - - return NO_FAULT; -} - -ARMword -arm1176jzf_s_mmu_mrc (ARMul_State *state, ARMword instr, ARMword *value) -{ - int creg = BITS (16, 19) & 0xf; - int OPC_1 = BITS (21, 23) & 0x7; - int OPC_2 = BITS (5, 7) & 0x7; - ARMword data; - - switch (creg) { - case MMU_ID: - if (OPC_2 == 0) { - data = state->cpu->cpu_val; - } else if (OPC_2 == 1) { - /* Cache type: - * 000 0110 1 000 101 110 0 10 000 101 110 0 10 - * */ - data = 0x0D172172; - } - break; - case MMU_CONTROL: - /* - * 6:3 read as 1 - * 10 read as 0 - * 18,16 read as 1 - * */ - data = (state->mmu.control | 0x50078) & 0xFFFFFBFF; - break; - case MMU_TRANSLATION_TABLE_BASE: -#if 0 - data = state->mmu.translation_table_base; -#endif - switch (OPC_2) { - case 0: - data = state->mmu.translation_table_base0; - break; - case 1: - data = state->mmu.translation_table_base1; - break; - case 2: - data = state->mmu.translation_table_ctrl; - break; - default: - printf ("mmu_mrc read UNKNOWN - p15 c2 opcode2 %d\n", OPC_2); - break; - } - break; - case MMU_DOMAIN_ACCESS_CONTROL: - data = state->mmu.domain_access_control; - break; - case MMU_FAULT_STATUS: - /* OPC_2 = 0: data FSR value - * */ - if (OPC_2 == 0) - data = state->mmu.fault_status; - if (OPC_2 == 1) - data = state->mmu.fault_statusi; - break; - case MMU_FAULT_ADDRESS: - data = state->mmu.fault_address; - break; - case MMU_PID: - //data = state->mmu.process_id; - if(OPC_2 == 0) - data = state->mmu.process_id; - else if(OPC_2 == 1) - data = state->mmu.context_id; - else if(OPC_2 == 3){ - data = state->mmu.thread_uro_id; - } - else{ - printf ("mmu_mcr read UNKNOWN - reg %d\n", creg); - } - //printf("SKYEYE In %s, read pid 0x%x, OPC_2 %d, instr=0x%x\n", __FUNCTION__, data, OPC_2, instr); - //exit(-1); - break; - default: - printf ("mmu_mrc read UNKNOWN - reg %d\n", creg); - data = 0; - break; - } -/* printf("\t\t\t\t\tpc = 0x%08x\n", state->Reg[15]); */ - *value = data; - return data; -} - - -static ARMword -arm1176jzf_s_mmu_mcr (ARMul_State *state, ARMword instr, ARMword value) -{ - int creg = BITS (16, 19) & 0xf; - int CRm = BITS (0, 3) & 0xf; - int OPC_1 = BITS (21, 23) & 0x7; - int OPC_2 = BITS (5, 7) & 0x7; - if (!strncmp (state->cpu->cpu_arch_name, "armv6", 5)) { - switch (creg) { - case MMU_CONTROL: - /* - * 6:3 read as 1 - * 10 read as 0 - * 18,16 read as 1 - * */ - if(OPC_2 == 0) - state->mmu.control = (value | 0x50078) & 0xFFFFFBFF; - else if(OPC_2 == 1) - state->mmu.auxiliary_control = value; - else if(OPC_2 == 2) - state->mmu.coprocessor_access_control = value; - else - fprintf(stderr, "In %s, wrong OPC_2 %d\n", __FUNCTION__, OPC_2); - break; - case MMU_TRANSLATION_TABLE_BASE: - switch (OPC_2) { - /* int i; */ - case 0: -#if 0 - /* TTBR0 */ - if (state->mmu.translation_table_ctrl & 0x7) { - for (i = 0; i <= state->mmu.translation_table_ctrl; i++) - state->mmu.translation_table_base0 &= ~(1 << (5 + i)); - } -#endif - state->mmu.translation_table_base0 = (value); - break; - case 1: -#if 0 - /* TTBR1 */ - if (state->mmu.translation_table_ctrl & 0x7) { - for (i = 0; i <= state->mmu.translation_table_ctrl; i++) - state->mmu.translation_table_base1 &= 1 << (5 + i); - } -#endif - state->mmu.translation_table_base1 = (value); - break; - case 2: - /* TTBC */ - state->mmu.translation_table_ctrl = value & 0x7; - break; - default: - printf ("mmu_mcr wrote UNKNOWN - cp15 c2 opcode2 %d\n", OPC_2); - break; - } - //printf("SKYEYE In %s, write TLB_BASE 0x%x OPC_2=%d instr=0x%x\n", __FUNCTION__, value, OPC_2, instr); - //invalidate_all_tlb(state); - break; - case MMU_DOMAIN_ACCESS_CONTROL: - /* printf("mmu_mcr wrote DACR "); */ - state->mmu.domain_access_control = value; - break; - - case MMU_FAULT_STATUS: - if (OPC_2 == 0) - state->mmu.fault_status = value & 0xFF; - if (OPC_2 == 1) { - printf("set fault status instr\n"); - } - break; - case MMU_FAULT_ADDRESS: - state->mmu.fault_address = value; - break; - - case MMU_CACHE_OPS: - break; - case MMU_TLB_OPS: - { - switch(CRm){ - case 5: /* ITLB */ - { - switch(OPC_2){ - case 0: /* invalidate all */ - //invalidate_all_tlb(state); - break; - case 1: /* invalidate by MVA */ - //invalidate_by_mva(state, value); - break; - case 2: /* invalidate by asid */ - //invalidate_by_asid(state, value); - break; - default: - printf ("mmu_mcr wrote UNKNOWN - reg %d\n", creg); - break; - } - break; - } - case 6: /* DTLB */ - { - switch(OPC_2){ - case 0: /* invalidate all */ - //invalidate_all_tlb(state); - break; - case 1: /* invalidate by MVA */ - //invalidate_by_mva(state, value); - break; - case 2: /* invalidate by asid */ - //invalidate_by_asid(state, value); - break; - default: - printf ("mmu_mcr wrote UNKNOWN - reg %d\n", creg); - break; - } - break; - } - case 7: /* Unified TLB */ - { - switch(OPC_2){ - case 0: /* invalidate all */ - //invalidate_all_tlb(state); - break; - case 1: /* invalidate by MVA */ - //invalidate_by_mva(state, value); - break; - case 2: /* invalidate by asid */ - //invalidate_by_asid(state, value); - break; - default: - printf ("mmu_mcr wrote UNKNOWN - reg %d\n", creg); - break; - } - break; - } - - default: - printf ("mmu_mcr wrote UNKNOWN - reg %d, CRm=%d\n", creg, CRm); - break; - } - //printf("SKYEYE In %s, write TLB 0x%x OPC_1=%d, OPC_2=%d , CRm=%d instr=0x%x\n", __FUNCTION__, value, OPC_1, OPC_2, CRm, instr); - } - break; - case MMU_CACHE_LOCKDOWN: - /* - * FIXME: cache lock down*/ - break; - case MMU_TLB_LOCKDOWN: - printf("SKYEYE In %s, write TLB_LOCKDOWN 0x%x OPC_2=%d instr=0x%x\n", __FUNCTION__, value, OPC_2, instr); - /* FIXME:tlb lock down */ - break; - case MMU_PID: - //printf("SKYEYE In %s, write pid 0x%x OPC_2=%d instr=0x%x\n", __FUNCTION__, value, OPC_2, instr); - //state->mmu.process_id = value; - /*0:24 should be zero. */ - //state->mmu.process_id = value & 0xfe000000; - if(OPC_2 == 0) - state->mmu.process_id = value; - else if(OPC_2 == 1) - state->mmu.context_id = value; - else if(OPC_2 == 3){ - state->mmu.thread_uro_id = value; - } - else{ - printf ("mmu_mcr wrote UNKNOWN - reg %d\n", creg); - } - break; - - default: - printf ("mmu_mcr wrote UNKNOWN - reg %d\n", creg); - break; - } - } - - return No_exp; -} - -///* teawater add for arm2x86 2005.06.19------------------------------------------- */ -//static int -//arm1176jzf_s_mmu_v2p_dbct (ARMul_State *state, ARMword virt_addr, -// ARMword *phys_addr) -//{ -// fault_t fault; -// int ap, sop; -// -// ARMword perm; /* physical addr access permissions */ -// virt_addr = mmu_pid_va_map (virt_addr); -// if (MMU_Enabled) { -// -// /*align check */ -// if ((virt_addr & (WORD_SIZE - 1)) && MMU_Aligned) { -// DEBUG_LOG(ARM11, "align\n"); -// return ALIGNMENT_FAULT; -// } else -// virt_addr &= ~(WORD_SIZE - 1); -// -// /*translate tlb */ -// fault = mmu_translate (state, virt_addr, phys_addr, &ap, &sop); -// if (fault) { -// DEBUG_LOG(ARM11, "translate\n"); -// return fault; -// } -// -// /* permission check */ -// if (!check_perms(state, ap, 1)) { -// if (sop == 0) { -// return SECTION_PERMISSION_FAULT; -// } else { -// return SUBPAGE_PERMISSION_FAULT; -// } -// } -//#if 0 -// /*check access */ -// fault = check_access (state, virt_addr, tlb, 1); -// if (fault) { -// DEBUG_LOG(ARM11, "check_fault\n"); -// return fault; -// } -//#endif -// } -// -// if (MMU_Disabled) { -// *phys_addr = virt_addr; -// } -// -// return 0; -//} - -/* AJ2D-------------------------------------------------------------------------- */ - -/*arm1176jzf-s mmu_ops_t*/ -mmu_ops_t arm1176jzf_s_mmu_ops = { - arm1176jzf_s_mmu_init, - arm1176jzf_s_mmu_exit, - arm1176jzf_s_mmu_read_byte, - arm1176jzf_s_mmu_write_byte, - arm1176jzf_s_mmu_read_halfword, - arm1176jzf_s_mmu_write_halfword, - arm1176jzf_s_mmu_read_word, - arm1176jzf_s_mmu_write_word, - arm1176jzf_s_mmu_load_instr, - arm1176jzf_s_mmu_mcr, - arm1176jzf_s_mmu_mrc -/* teawater add for arm2x86 2005.06.19------------------------------------------- */ -/* arm1176jzf_s_mmu_v2p_dbct, */ -/* AJ2D-------------------------------------------------------------------------- */ -}; diff --git a/src/core/arm/mmu/arm1176jzf_s_mmu.h b/src/core/arm/mmu/arm1176jzf_s_mmu.h deleted file mode 100644 index 299c6b46b..000000000 --- a/src/core/arm/mmu/arm1176jzf_s_mmu.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - arm1176JZF-S_mmu.h - ARM1176JZF-S Memory Management Unit emulation. - - 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 -*/ - -#ifndef _ARM1176JZF_S_MMU_H_ -#define _ARM1176JZF_S_MMU_H_ - -#if 0 -typedef struct arm1176jzf-s_mmu_s -{ - tlb_t i_tlb; - cache_t i_cache; - - tlb_t d_tlb; - cache_t d_cache; - wb_t wb_t; -} arm1176jzf-s_mmu_t; -#endif -extern mmu_ops_t arm1176jzf_s_mmu_ops; - -ARMword -arm1176jzf_s_mmu_mrc (ARMul_State *state, ARMword instr, ARMword *value); -#endif /*_ARM1176JZF_S_MMU_H_*/ diff --git a/src/core/arm/mmu/cache.h b/src/core/arm/mmu/cache.h deleted file mode 100644 index d308d9b87..000000000 --- a/src/core/arm/mmu/cache.h +++ /dev/null @@ -1,168 +0,0 @@ -#ifndef _MMU_CACHE_H_ -#define _MMU_CACHE_H_ - -typedef struct cache_line_t -{ - ARMword tag; /* cache line align address | - bit2: last half dirty - bit1: first half dirty - bit0: cache valid flag - */ - ARMword pa; /*physical address */ - ARMword *data; /*array of cached data */ -} cache_line_t; -#define TAG_VALID_FLAG 0x00000001 -#define TAG_FIRST_HALF_DIRTY 0x00000002 -#define TAG_LAST_HALF_DIRTY 0x00000004 - -/*cache set association*/ -typedef struct cache_set_s -{ - cache_line_t *lines; - int cycle; -} cache_set_t; - -enum -{ - CACHE_WRITE_BACK, - CACHE_WRITE_THROUGH, -}; - -typedef struct cache_s -{ - int width; /*bytes in a line */ - int way; /*way of set asscociate */ - int set; /*num of set */ - int w_mode; /*write back or write through */ - //int a_mode; /*alloc mode: random or round-bin*/ - cache_set_t *sets; - /**/} cache_s; - -typedef struct cache_desc_s -{ - int width; - int way; - int set; - int w_mode; -// int a_mode; -} cache_desc_t; - - -/*virtual address to cache set index*/ -#define va_cache_set(va, cache_t) \ - (((va) / (cache_t)->width) & ((cache_t)->set - 1)) -/*virtual address to cahce line aligned*/ -#define va_cache_align(va, cache_t) \ - ((va) & ~((cache_t)->width - 1)) -/*virtaul address to cache line word index*/ -#define va_cache_index(va, cache_t) \ - (((va) & ((cache_t)->width - 1)) >> WORD_SHT) - -/*see Page 558 in arm manual*/ -/*set/index format value to cache set value*/ -#define index_cache_set(index, cache_t) \ - (((index) / (cache_t)->width) & ((cache_t)->set - 1)) - -/*************************cache********************/ -/* mmu cache init - * - * @cache_t :cache_t to init - * @width :cache line width in byte - * @way :way of each cache set - * @set :cache set num - * @w_mode :cache w_mode - * - * $ -1: error - * 0: sucess - */ -int -mmu_cache_init (cache_s * cache_t, int width, int way, int set, int w_mode); - -/* free a cache_t's inner data, the ptr self is not freed, - * when needed do like below: - * mmu_cache_exit(cache); - * free(cache_t); - * - * @cache_t : the cache_t to free - */ -void mmu_cache_exit (cache_s * cache_t); - -/* mmu cache search - * - * @state :ARMul_State - * @cache_t :cache_t to search - * @va :virtual address - * - * $ NULL: no cache match - * cache :cache matched - * */ -cache_line_t *mmu_cache_search (ARMul_State * state, cache_s * cache_t, - ARMword va); - -/* mmu cache search by set/index - * - * @state :ARMul_State - * @cache_t :cache_t to search - * @index :set/index value. - * - * $ NULL: no cache match - * cache :cache matched - * */ - -cache_line_t *mmu_cache_search_by_index (ARMul_State * state, - cache_s * cache_t, ARMword index); - -/* mmu cache alloc - * - * @state :ARMul_State - * @cache_t :cache_t to alloc from - * @va :virtual address that require cache alloc, need not cache aligned - * @pa :physical address of va - * - * $ cache_alloced, always alloc OK - */ -cache_line_t *mmu_cache_alloc (ARMul_State * state, cache_s * cache_t, - ARMword va, ARMword pa); - -/* mmu_cache_write_back write cache data to memory - * - * @state: - * @cache_t :cache_t of the cache line - * @cache : cache line - */ -void -mmu_cache_write_back (ARMul_State * state, cache_s * cache_t, - cache_line_t * cache); - -/* mmu_cache_clean: clean a cache of va in cache_t - * - * @state :ARMul_State - * @cache_t :cache_t to clean - * @va :virtaul address - */ -void mmu_cache_clean (ARMul_State * state, cache_s * cache_t, ARMword va); -void -mmu_cache_clean_by_index (ARMul_State * state, cache_s * cache_t, - ARMword index); - -/* mmu_cache_invalidate : invalidate a cache of va - * - * @state :ARMul_State - * @cache_t :cache_t to invalid - * @va :virt_addr to invalid - */ -void -mmu_cache_invalidate (ARMul_State * state, cache_s * cache_t, ARMword va); - -void -mmu_cache_invalidate_by_index (ARMul_State * state, cache_s * cache_t, - ARMword index); - -void mmu_cache_invalidate_all (ARMul_State * state, cache_s * cache_t); - -void -mmu_cache_soft_flush (ARMul_State * state, cache_s * cache_t, ARMword pa); - -cache_line_t* mmu_cache_dirty_cache(ARMul_State * state, cache_s * cache_t); - -#endif /*_MMU_CACHE_H_*/ diff --git a/src/core/arm/mmu/rb.h b/src/core/arm/mmu/rb.h deleted file mode 100644 index 7bf0ebb26..000000000 --- a/src/core/arm/mmu/rb.h +++ /dev/null @@ -1,55 +0,0 @@ -#ifndef _MMU_RB_H -#define _MMU_RB_H - -enum rb_type_t -{ - RB_INVALID = 0, //invalid - RB_1, //1 word - RB_4, //4 word - RB_8, //8 word -}; - -/*bytes of each rb_type*/ -extern ARMword rb_masks[]; - -#define RB_WORD_NUM 8 -typedef struct rb_entry_s -{ - ARMword data[RB_WORD_NUM]; //array to store data - ARMword va; //first word va - int type; //rb type - fault_t fault; //fault set by rb alloc -} rb_entry_t; - -typedef struct rb_s -{ - int num; - rb_entry_t *entrys; -} rb_s; - -/*mmu_rb_init - * @rb_t :rb_t to init - * @num :number of entry - * */ -int mmu_rb_init (rb_s * rb_t, int num); - -/*mmu_rb_exit*/ -void mmu_rb_exit (rb_s * rb_t); - - -/*mmu_rb_search - * @rb_t :rb_t to serach - * @va :va address to math - * - * $ NULL :not match - * NO-NULL: - * */ -rb_entry_t *mmu_rb_search (rb_s * rb_t, ARMword va); - - -void mmu_rb_invalidate_entry (rb_s * rb_t, int i); -void mmu_rb_invalidate_all (rb_s * rb_t); -void mmu_rb_load (ARMul_State * state, rb_s * rb_t, int i_rb, - int type, ARMword va); - -#endif /*_MMU_RB_H_*/ diff --git a/src/core/arm/mmu/tlb.h b/src/core/arm/mmu/tlb.h deleted file mode 100644 index 938c01786..000000000 --- a/src/core/arm/mmu/tlb.h +++ /dev/null @@ -1,94 +0,0 @@ -#ifndef _MMU_TLB_H_ -#define _MMU_TLB_H_ - -typedef enum tlb_mapping_t -{ - TLB_INVALID = 0, - TLB_SMALLPAGE = 1, - TLB_LARGEPAGE = 2, - TLB_SECTION = 3, - TLB_ESMALLPAGE = 4, - TLB_TINYPAGE = 5 -} tlb_mapping_t; - -extern ARMword tlb_masks[]; - -/* Permissions bits in a TLB entry: - * - * 31 12 11 10 9 8 7 6 5 4 3 2 1 0 - * +-------------+-----+-----+-----+-----+---+---+-------+ - * Page:| | ap3 | ap2 | ap1 | ap0 | C | B | | - * +-------------+-----+-----+-----+-----+---+---+-------+ - * - * 31 12 11 10 9 4 3 2 1 0 - * +-------------+-----+-----------------+---+---+-------+ - * Section: | | AP | | C | B | | - * +-------------+-----+-----------------+---+---+-------+ - */ - -/* -section: - section base address [31:20] - AP - table 8-2, page 8-8 - domain - C,B - -page: - page base address [31:16] or [31:12] - ap[3:0] - domain (from L1) - C,B -*/ - - -typedef struct tlb_entry_t -{ - ARMword virt_addr; - ARMword phys_addr; - ARMword perms; - ARMword domain; - tlb_mapping_t mapping; -} tlb_entry_t; - -typedef struct tlb_s -{ - int num; /*num of tlb entry */ - int cycle; /*current tlb cycle */ - tlb_entry_t *entrys; -} tlb_s; - - -#define tlb_c_flag(tlb) \ - ((tlb)->perms & 0x8) -#define tlb_b_flag(tlb) \ - ((tlb)->perms & 0x4) - -#define tlb_va_to_pa(tlb, va) \ -(\ - {\ - ARMword mask = tlb_masks[tlb->mapping]; \ - (tlb->phys_addr & mask) | (va & ~mask);\ - }\ -) - -fault_t -check_access (ARMul_State * state, ARMword virt_addr, tlb_entry_t * tlb, - int read); - -fault_t -translate (ARMul_State * state, ARMword virt_addr, tlb_s * tlb_t, - tlb_entry_t ** tlb); - -int mmu_tlb_init (tlb_s * tlb_t, int num); - -void mmu_tlb_exit (tlb_s * tlb_t); - -void mmu_tlb_invalidate_all (ARMul_State * state, tlb_s * tlb_t); - -void -mmu_tlb_invalidate_entry (ARMul_State * state, tlb_s * tlb_t, ARMword addr); - -tlb_entry_t *mmu_tlb_search (ARMul_State * state, tlb_s * tlb_t, - ARMword virt_addr); - -#endif /*_MMU_TLB_H_*/ diff --git a/src/core/arm/mmu/wb.h b/src/core/arm/mmu/wb.h deleted file mode 100644 index 8fb7de946..000000000 --- a/src/core/arm/mmu/wb.h +++ /dev/null @@ -1,63 +0,0 @@ -#ifndef _MMU_WB_H_ -#define _MMU_WB_H_ - -typedef struct wb_entry_s -{ - ARMword pa; //phy_addr - ARMbyte *data; //data - int nb; //number byte to write -} wb_entry_t; - -typedef struct wb_s -{ - int num; //number of wb_entry - int nb; //number of byte of each entry - int first; // - int last; // - int used; // - wb_entry_t *entrys; -} wb_s; - -typedef struct wb_desc_s -{ - int num; - int nb; -} wb_desc_t; - -/* wb_init - * @wb_t :wb_t to init - * @num :num of entrys - * @nw :num of word of each entry - * - * $ -1:error - * 0:ok - * */ -int mmu_wb_init (wb_s * wb_t, int num, int nb); - - -/* wb_exit - * @wb_t :wb_t to exit - * */ -void mmu_wb_exit (wb_s * wb); - - -/* wb_write_bytes :put bytess in Write Buffer - * @state: ARMul_State - * @wb_t: write buffer - * @pa: physical address - * @data: data ptr - * @n number of byte to write - * - * Note: write buffer merge is not implemented, can be done late - * */ -void -mmu_wb_write_bytess (ARMul_State * state, wb_s * wb_t, ARMword pa, - ARMbyte * data, int n); - - -/* wb_drain_all - * @wb_t wb_t to drain - * */ -void mmu_wb_drain_all (ARMul_State * state, wb_s * wb_t); - -#endif /*_MMU_WB_H_*/ |