diff options
Diffstat (limited to 'src/core/arm/interpreter/armvirt.cpp')
| -rw-r--r-- | src/core/arm/interpreter/armvirt.cpp | 683 |
1 files changed, 84 insertions, 599 deletions
diff --git a/src/core/arm/interpreter/armvirt.cpp b/src/core/arm/interpreter/armvirt.cpp index eb3c86cb..7845d104 100644 --- a/src/core/arm/interpreter/armvirt.cpp +++ b/src/core/arm/interpreter/armvirt.cpp @@ -24,657 +24,142 @@ freed as they might be needed again. A single area of memory may be defined to generate aborts. */ #include "core/arm/skyeye_common/armdefs.h" -#include "core/arm/skyeye_common/skyeye_defs.h" -//#include "code_cov.h" +#include "core/arm/skyeye_common/armemu.h" -#ifdef VALIDATE /* for running the validate suite */ -#define TUBE 48 * 1024 * 1024 /* write a char on the screen */ -#define ABORTS 1 -#endif - -/* #define ABORTS */ - -#ifdef ABORTS /* the memory system will abort */ -/* For the old test suite Abort between 32 Kbytes and 32 Mbytes - For the new test suite Abort between 8 Mbytes and 26 Mbytes */ -/* #define LOWABORT 32 * 1024 -#define HIGHABORT 32 * 1024 * 1024 */ -#define LOWABORT 8 * 1024 * 1024 -#define HIGHABORT 26 * 1024 * 1024 - -#endif - -#define NUMPAGES 64 * 1024 -#define PAGESIZE 64 * 1024 -#define PAGEBITS 16 -#define OFFSETBITS 0xffff -//chy 2003-08-19: seems no use ???? -int SWI_vector_installed = FALSE; -extern ARMword skyeye_cachetype; - -/***************************************************************************\ -* Get a byte into Virtual Memory, maybe allocating the page * -\***************************************************************************/ -static fault_t -GetByte (ARMul_State * state, ARMword address, ARMword * data) -{ - fault_t fault; - - fault = mmu_read_byte (state, address, data); - if (fault) { -//chy 2003-07-11: sometime has fault, but linux can continue running !!!!???? -// printf("SKYEYE: GetByte fault %d \n", fault); - } - return fault; -} - -/***************************************************************************\ -* Get a halfword into Virtual Memory, maybe allocating the page * -\***************************************************************************/ -static fault_t -GetHalfWord (ARMul_State * state, ARMword address, ARMword * data) -{ - fault_t fault; - - fault = mmu_read_halfword (state, address, data); - if (fault) { -//chy 2003-07-11: sometime has fault, but linux can continue running !!!!???? -// printf("SKYEYE: GetHalfWord fault %d \n", fault); - } - return fault; -} - -/***************************************************************************\ -* Get a Word from Virtual Memory, maybe allocating the page * -\***************************************************************************/ +#include "core/mem_map.h" -static fault_t -GetWord (ARMul_State * state, ARMword address, ARMword * data) -{ - fault_t fault; +#define dumpstack 1 +#define dumpstacksize 0x10 +#define maxdmupaddr 0x0033a850 - fault = mmu_read_word (state, address, data); - if (fault) { -//chy 2003-07-11: sometime has fault, but linux can continue running !!!!???? -#if 0 -/* XXX */ extern int hack; - hack = 1; -#endif -#if 0 - printf ("mmu_read_word at 0x%08x: ", address); - switch (fault) { - case ALIGNMENT_FAULT: - printf ("ALIGNMENT_FAULT"); - break; - case SECTION_TRANSLATION_FAULT: - printf ("SECTION_TRANSLATION_FAULT"); - break; - case PAGE_TRANSLATION_FAULT: - printf ("PAGE_TRANSLATION_FAULT"); - break; - case SECTION_DOMAIN_FAULT: - printf ("SECTION_DOMAIN_FAULT"); - break; - case SECTION_PERMISSION_FAULT: - printf ("SECTION_PERMISSION_FAULT"); - break; - case SUBPAGE_PERMISSION_FAULT: - printf ("SUBPAGE_PERMISSION_FAULT"); - break; - default: - printf ("Unrecognized fault number!"); - } - printf ("\tpc = 0x%08x\n", state->Reg[15]); -#endif - } - return fault; +/*ARMword ARMul_GetCPSR (ARMul_State * state) { +return 0; } - -//2003-07-10 chy: lyh change -/****************************************************************************\ - * Load a Instrion Word into Virtual Memory * -\****************************************************************************/ -static fault_t -LoadInstr (ARMul_State * state, ARMword address, ARMword * instr) -{ - fault_t fault; - fault = mmu_load_instr (state, address, instr); - return fault; - //if (fault) - // log_msg("load_instr fault = %d, address = %x\n", fault, address); +ARMword ARMul_GetSPSR (ARMul_State * state, ARMword mode) { +return 0; } +void ARMul_SetCPSR (ARMul_State * state, ARMword value) { -/***************************************************************************\ -* Put a byte into Virtual Memory, maybe allocating the page * -\***************************************************************************/ -static fault_t -PutByte (ARMul_State * state, ARMword address, ARMword data) -{ - fault_t fault; - - fault = mmu_write_byte (state, address, data); - if (fault) { -//chy 2003-07-11: sometime has fault, but linux can continue running !!!!???? -// printf("SKYEYE: PutByte fault %d \n", fault); - } - return fault; } +void ARMul_SetSPSR (ARMul_State * state, ARMword mode, ARMword value) { -/***************************************************************************\ -* Put a halfword into Virtual Memory, maybe allocating the page * -\***************************************************************************/ -static fault_t -PutHalfWord (ARMul_State * state, ARMword address, ARMword data) -{ - fault_t fault; +}*/ - fault = mmu_write_halfword (state, address, data); - if (fault) { -//chy 2003-07-11: sometime has fault, but linux can continue running !!!!???? -// printf("SKYEYE: PutHalfWord fault %d \n", fault); - } - return fault; +void ARMul_Icycles(ARMul_State * state, unsigned number, ARMword address) { } -/***************************************************************************\ -* Put a Word into Virtual Memory, maybe allocating the page * -\***************************************************************************/ - -static fault_t -PutWord (ARMul_State * state, ARMword address, ARMword data) -{ - fault_t fault; - - fault = mmu_write_word (state, address, data); - if (fault) { -//chy 2003-07-11: sometime has fault, but linux can continue running !!!!???? -#if 0 -/* XXX */ extern int hack; - hack = 1; -#endif -#if 0 - printf ("mmu_write_word at 0x%08x: ", address); - switch (fault) { - case ALIGNMENT_FAULT: - printf ("ALIGNMENT_FAULT"); - break; - case SECTION_TRANSLATION_FAULT: - printf ("SECTION_TRANSLATION_FAULT"); - break; - case PAGE_TRANSLATION_FAULT: - printf ("PAGE_TRANSLATION_FAULT"); - break; - case SECTION_DOMAIN_FAULT: - printf ("SECTION_DOMAIN_FAULT"); - break; - case SECTION_PERMISSION_FAULT: - printf ("SECTION_PERMISSION_FAULT"); - break; - case SUBPAGE_PERMISSION_FAULT: - printf ("SUBPAGE_PERMISSION_FAULT"); - break; - default: - printf ("Unrecognized fault number!"); - } - printf ("\tpc = 0x%08x\n", state->Reg[15]); -#endif - } - return fault; +void ARMul_Ccycles(ARMul_State * state, unsigned number, ARMword address) { } -/***************************************************************************\ -* Initialise the memory interface * -\***************************************************************************/ - -unsigned -ARMul_MemoryInit (ARMul_State * state, unsigned int initmemsize) -{ - return TRUE; -} - -/***************************************************************************\ -* Remove the memory interface * -\***************************************************************************/ - -void -ARMul_MemoryExit (ARMul_State * state) -{ -} - -/***************************************************************************\ -* ReLoad Instruction * -\***************************************************************************/ - -ARMword -ARMul_ReLoadInstr (ARMul_State * state, ARMword address, ARMword isize) -{ - ARMword data; - fault_t fault; - -#ifdef ABORTS - if (address >= LOWABORT && address < HIGHABORT) { - ARMul_PREFETCHABORT (address); - return ARMul_ABORTWORD; - } - else { - ARMul_CLEARABORT; - } -#endif -#if 0 - /* do profiling for code coverage */ - if (skyeye_config.code_cov.prof_on) - cov_prof(EXEC_FLAG, address); -#endif -#if 1 - if ((isize == 2) && (address & 0x2)) { - ARMword lo, hi; - if (!(skyeye_cachetype == INSTCACHE)) - fault = GetHalfWord (state, address, &lo); - else - fault = LoadInstr (state, address, &lo); -#if 0 - if (!fault) { - if (!(skyeye_cachetype == INSTCACHE)) - fault = GetHalfWord (state, address + isize, &hi); - else - fault = LoadInstr (state, address + isize, &hi); - - } -#endif - if (fault) { - ARMul_PREFETCHABORT (address); - return ARMul_ABORTWORD; - } - else { - ARMul_CLEARABORT; - } - return lo; -#if 0 - if (state->bigendSig == HIGH) - return (lo << 16) | (hi >> 16); - else - return ((hi & 0xFFFF) << 16) | (lo >> 16); -#endif - } -#endif - if (!(skyeye_cachetype == INSTCACHE)) - fault = GetWord (state, address, &data); - else - fault = LoadInstr (state, address, &data); - - if (fault) { - - /* dyf add for s3c6410 no instcache temporary 2010.9.17 */ - if (!(skyeye_cachetype == INSTCACHE)) { - /* set translation fault on prefetch abort */ - state->mmu.fault_statusi = fault & 0xFF; - state->mmu.fault_address = address; - } - /* add end */ - - ARMul_PREFETCHABORT (address); - return ARMul_ABORTWORD; - } - else { - ARMul_CLEARABORT; - } - - return data; -} - -/***************************************************************************\ -* Load Instruction, Sequential Cycle * -\***************************************************************************/ - -ARMword -ARMul_LoadInstrS (ARMul_State * state, ARMword address, ARMword isize) -{ - state->NumScycles++; +ARMword ARMul_LoadInstrS(ARMul_State * state, ARMword address, ARMword isize) { + state->NumScycles++; #ifdef HOURGLASS - if ((state->NumScycles & HOURGLASS_RATE) == 0) { - HOURGLASS; - } + if ((state->NumScycles & HOURGLASS_RATE) == 0) { + HOURGLASS; + } #endif - - return ARMul_ReLoadInstr (state, address, isize); + if (isize == 2) + return (u16)Memory::Read16(address); + else + return (u32)Memory::Read32(address); } -/***************************************************************************\ -* Load Instruction, Non Sequential Cycle * -\***************************************************************************/ - -ARMword -ARMul_LoadInstrN (ARMul_State * state, ARMword address, ARMword isize) -{ - state->NumNcycles++; +ARMword ARMul_LoadInstrN(ARMul_State * state, ARMword address, ARMword isize) { + state->NumNcycles++; - return ARMul_ReLoadInstr (state, address, isize); + if (isize == 2) + return (u16)Memory::Read16(address); + else + return (u32)Memory::Read32(address); } -/***************************************************************************\ -* Read Word (but don't tell anyone!) * -\***************************************************************************/ +ARMword ARMul_ReLoadInstr(ARMul_State * state, ARMword address, ARMword isize) { + ARMword data; -ARMword -ARMul_ReadWord (ARMul_State * state, ARMword address) -{ - ARMword data; - fault_t fault; - -#ifdef ABORTS - if (address >= LOWABORT && address < HIGHABORT) { - ARMul_DATAABORT (address); - return ARMul_ABORTWORD; - } - else { - ARMul_CLEARABORT; - } -#endif + if ((isize == 2) && (address & 0x2)) { + ARMword lo; + lo = (u16)Memory::Read16(address); + return lo; + } - fault = GetWord (state, address, &data); - if (fault) { - state->mmu.fault_status = - (fault | (state->mmu.last_domain << 4)) & 0xFF; - state->mmu.fault_address = address; - ARMul_DATAABORT (address); - return ARMul_ABORTWORD; - } - else { - ARMul_CLEARABORT; - } - return data; + data = (u32)Memory::Read32(address); + return data; } -/***************************************************************************\ -* Load Word, Sequential Cycle * -\***************************************************************************/ - -ARMword -ARMul_LoadWordS (ARMul_State * state, ARMword address) -{ - state->NumScycles++; - - return ARMul_ReadWord (state, address); +ARMword ARMul_ReadWord(ARMul_State * state, ARMword address) { + ARMword data; + data = Memory::Read32(address); + return data; } -/***************************************************************************\ -* Load Word, Non Sequential Cycle * -\***************************************************************************/ - -ARMword -ARMul_LoadWordN (ARMul_State * state, ARMword address) -{ - state->NumNcycles++; - - return ARMul_ReadWord (state, address); +ARMword ARMul_LoadWordS(ARMul_State * state, ARMword address) { + state->NumScycles++; + return ARMul_ReadWord(state, address); } -/***************************************************************************\ -* Load Halfword, (Non Sequential Cycle) * -\***************************************************************************/ - -ARMword -ARMul_LoadHalfWord (ARMul_State * state, ARMword address) -{ - ARMword data; - fault_t fault; - - state->NumNcycles++; - fault = GetHalfWord (state, address, &data); - - if (fault) { - state->mmu.fault_status = - (fault | (state->mmu.last_domain << 4)) & 0xFF; - state->mmu.fault_address = address; - ARMul_DATAABORT (address); - return ARMul_ABORTWORD; - } - else { - ARMul_CLEARABORT; - } - - return data; - +ARMword ARMul_LoadWordN(ARMul_State * state, ARMword address) { + state->NumNcycles++; + return ARMul_ReadWord(state, address); } -/***************************************************************************\ -* Read Byte (but don't tell anyone!) * -\***************************************************************************/ -int ARMul_ICE_ReadByte(ARMul_State * state, ARMword address, ARMword *presult) -{ - ARMword data; - fault_t fault; - fault = GetByte (state, address, &data); - if (fault) { - *presult=-1; fault=ALIGNMENT_FAULT; return fault; - }else{ - *(char *)presult=(unsigned char)(data & 0xff); fault=NO_FAULT; return fault; - } +ARMword ARMul_LoadHalfWord(ARMul_State * state, ARMword address) { + state->NumNcycles++; + return (u16)Memory::Read16(address);; } - - -ARMword -ARMul_ReadByte (ARMul_State * state, ARMword address) -{ - ARMword data; - fault_t fault; - - fault = GetByte (state, address, &data); - - if (fault) { - state->mmu.fault_status = - (fault | (state->mmu.last_domain << 4)) & 0xFF; - state->mmu.fault_address = address; - ARMul_DATAABORT (address); - return ARMul_ABORTWORD; - } - else { - ARMul_CLEARABORT; - } - - return data; - -} - -/***************************************************************************\ -* Load Byte, (Non Sequential Cycle) * -\***************************************************************************/ - -ARMword -ARMul_LoadByte (ARMul_State * state, ARMword address) -{ - state->NumNcycles++; - - return ARMul_ReadByte (state, address); -} - -/***************************************************************************\ -* Write Word (but don't tell anyone!) * -\***************************************************************************/ - -void -ARMul_WriteWord (ARMul_State * state, ARMword address, ARMword data) -{ - fault_t fault; - -#ifdef ABORTS - if (address >= LOWABORT && address < HIGHABORT) { - ARMul_DATAABORT (address); - return; - } - else { - ARMul_CLEARABORT; - } -#endif - fault = PutWord (state, address, data); - if (fault) { - state->mmu.fault_status = - (fault | (state->mmu.last_domain << 4)) & 0xFF; - state->mmu.fault_address = address; - ARMul_DATAABORT (address); - return; - } - else { - ARMul_CLEARABORT; - } +ARMword ARMul_ReadByte(ARMul_State * state, ARMword address) { + return (u8)Memory::Read8(address); } -/***************************************************************************\ -* Store Word, Sequential Cycle * -\***************************************************************************/ - -void -ARMul_StoreWordS (ARMul_State * state, ARMword address, ARMword data) -{ - state->NumScycles++; - - ARMul_WriteWord (state, address, data); +ARMword ARMul_LoadByte(ARMul_State * state, ARMword address) { + state->NumNcycles++; + return ARMul_ReadByte(state, address); } -/***************************************************************************\ -* Store Word, Non Sequential Cycle * -\***************************************************************************/ - -void -ARMul_StoreWordN (ARMul_State * state, ARMword address, ARMword data) -{ - state->NumNcycles++; - - ARMul_WriteWord (state, address, data); +void ARMul_StoreHalfWord(ARMul_State * state, ARMword address, ARMword data) { + state->NumNcycles++; + Memory::Write16(address, data); } -/***************************************************************************\ -* Store HalfWord, (Non Sequential Cycle) * -\***************************************************************************/ - -void -ARMul_StoreHalfWord (ARMul_State * state, ARMword address, ARMword data) -{ - fault_t fault; - state->NumNcycles++; - fault = PutHalfWord (state, address, data); - if (fault) { - state->mmu.fault_status = - (fault | (state->mmu.last_domain << 4)) & 0xFF; - state->mmu.fault_address = address; - ARMul_DATAABORT (address); - return; - } - else { - ARMul_CLEARABORT; - } +void ARMul_StoreByte(ARMul_State * state, ARMword address, ARMword data) { + state->NumNcycles++; + ARMul_WriteByte(state, address, data); } -//chy 2006-04-15 -int ARMul_ICE_WriteByte (ARMul_State * state, ARMword address, ARMword data) -{ - fault_t fault; - fault = PutByte (state, address, data); - if (fault) - return 1; - else - return 0; -} -/***************************************************************************\ -* Write Byte (but don't tell anyone!) * -\***************************************************************************/ -//chy 2003-07-10, add real write byte fun -void -ARMul_WriteByte (ARMul_State * state, ARMword address, ARMword data) -{ - fault_t fault; - fault = PutByte (state, address, data); - if (fault) { - state->mmu.fault_status = - (fault | (state->mmu.last_domain << 4)) & 0xFF; - state->mmu.fault_address = address; - ARMul_DATAABORT (address); - return; - } - else { - ARMul_CLEARABORT; - } +ARMword ARMul_SwapWord(ARMul_State * state, ARMword address, ARMword data) { + ARMword temp; + state->NumNcycles++; + temp = ARMul_ReadWord(state, address); + state->NumNcycles++; + Memory::Write32(address, data); + return temp; } -/***************************************************************************\ -* Store Byte, (Non Sequential Cycle) * -\***************************************************************************/ - -void -ARMul_StoreByte (ARMul_State * state, ARMword address, ARMword data) -{ - state->NumNcycles++; - -#ifdef VALIDATE - if (address == TUBE) { - if (data == 4) - state->Emulate = FALSE; - else - (void) putc ((char) data, stderr); /* Write Char */ - return; - } -#endif - - ARMul_WriteByte (state, address, data); +ARMword ARMul_SwapByte(ARMul_State * state, ARMword address, ARMword data) { + ARMword temp; + temp = ARMul_LoadByte(state, address); + Memory::Write8(address, data); + return temp; } -/***************************************************************************\ -* Swap Word, (Two Non Sequential Cycles) * -\***************************************************************************/ - -ARMword -ARMul_SwapWord (ARMul_State * state, ARMword address, ARMword data) -{ - ARMword temp; - - state->NumNcycles++; - - temp = ARMul_ReadWord (state, address); - - state->NumNcycles++; - - PutWord (state, address, data); - - return temp; +void ARMul_WriteWord(ARMul_State * state, ARMword address, ARMword data) { + Memory::Write32(address, data); } -/***************************************************************************\ -* Swap Byte, (Two Non Sequential Cycles) * -\***************************************************************************/ - -ARMword -ARMul_SwapByte (ARMul_State * state, ARMword address, ARMword data) +void ARMul_WriteByte(ARMul_State * state, ARMword address, ARMword data) { - ARMword temp; - - temp = ARMul_LoadByte (state, address); - ARMul_StoreByte (state, address, data); - - return temp; + Memory::Write8(address, data); } -/***************************************************************************\ -* Count I Cycles * -\***************************************************************************/ - -void -ARMul_Icycles (ARMul_State * state, unsigned number, - ARMword address) +void ARMul_StoreWordS(ARMul_State * state, ARMword address, ARMword data) { - state->NumIcycles += number; - ARMul_CLEARABORT; + state->NumScycles++; + ARMul_WriteWord(state, address, data); } -/***************************************************************************\ -* Count C Cycles * -\***************************************************************************/ - -void -ARMul_Ccycles (ARMul_State * state, unsigned number, - ARMword address) +void ARMul_StoreWordN(ARMul_State * state, ARMword address, ARMword data) { - state->NumCcycles += number; - ARMul_CLEARABORT; + state->NumNcycles++; + ARMul_WriteWord(state, address, data); } |