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author | bunnei <bunneidev@gmail.com> | 2014-12-31 00:50:47 +0100 |
---|---|---|
committer | bunnei <bunneidev@gmail.com> | 2014-12-31 05:56:45 +0100 |
commit | 631f13e462239bbbec929bc00d042191c9ebb06f (patch) | |
tree | da601e8a202deaad9aec76ebcfd8d38fee534afd /src/core/arm/dyncom/arm_dyncom_interpreter.cpp | |
parent | Merge pull request #369 from darkf/mingw_ (diff) | |
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Diffstat (limited to 'src/core/arm/dyncom/arm_dyncom_interpreter.cpp')
-rw-r--r-- | src/core/arm/dyncom/arm_dyncom_interpreter.cpp | 705 |
1 files changed, 191 insertions, 514 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp index ce316ead6..926761cff 100644 --- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp +++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp @@ -13,19 +13,12 @@ using namespace std; -// __WIN32__ was never defined on MSVC, but it is on MinGW, -// so we need to remove it. -// #ifdefs to __WIN32__ are dead code and will not even compile -// anymore, due to bank_defs.h missing. -#ifdef _WIN32 -#undef __WIN32__ -#endif - #include "core/arm/skyeye_common/armdefs.h" #include "core/arm/skyeye_common/armmmu.h" #include "arm_dyncom_thumb.h" #include "arm_dyncom_run.h" #include "core/arm/skyeye_common/vfp/vfp.h" +#include "core/arm/disassembler/arm_disasm.h" #include "core/mem_map.h" #include "core/hle/hle.h" @@ -283,50 +276,7 @@ typedef struct _MiscRegPstIdx { typedef struct _LSWordorUnsignedByte { } LDnST; -#if USER_MODE_OPT -static inline fault_t interpreter_read_memory(addr_t virt_addr, addr_t phys_addr, uint32_t &value, uint32_t size){ - switch(size) { - case 8: - value = Memory::Read8(virt_addr); - break; - case 16: - value = Memory::Read16(virt_addr); - break; - case 32: - value = Memory::Read32(virt_addr); - break; - } - return NO_FAULT; -} - -static inline fault_t interpreter_write_memory(addr_t virt_addr, addr_t phys_addr, uint32_t value, uint32_t size) { - switch(size) { - case 8: - Memory::Write8(virt_addr, value & 0xff); - break; - case 16: - Memory::Write16(virt_addr, value & 0xffff); - break; - case 32: - Memory::Write32(virt_addr, value); - break; - } - return NO_FAULT; -} - -static inline fault_t check_address_validity(arm_core_t *core, addr_t virt_addr, addr_t *phys_addr, uint32_t rw) { - *phys_addr = virt_addr; - return NO_FAULT; -} - -#else -fault_t interpreter_read_memory(cpu_t *cpu, addr_t virt_addr, addr_t phys_addr, uint32_t &value, uint32_t size); -fault_t interpreter_write_memory(cpu_t *cpu, addr_t virt_addr, addr_t phys_addr, uint32_t value, uint32_t size); -fault_t interpreter_fetch(cpu_t *cpu, addr_t virt_addr, uint32_t &value, uint32_t size); -fault_t check_address_validity(arm_core_t *core, addr_t virt_addr, addr_t *phys_addr, uint32_t rw, tlb_type_t access_type = DATA_TLB); -#endif - -typedef fault_t (*get_addr_fp_t)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw); +typedef void (*get_addr_fp_t)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw); typedef struct _ldst_inst { unsigned int inst; @@ -344,133 +294,105 @@ int CondPassed(arm_processor *cpu, unsigned int cond); #define I_BIT BIT(inst, 25) #define P_BIT BIT(inst, 24) #define OFFSET_12 BITS(inst, 0, 11) -fault_t LnSWoUB(ImmediateOffset)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { + +void LnSWoUB(ImmediateOffset)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int Rn = BITS(inst, 16, 19); unsigned int addr; - fault_t fault; - if (U_BIT) { + + if (U_BIT) addr = CHECK_READ_REG15_WA(cpu, Rn) + OFFSET_12; - } else { + else addr = CHECK_READ_REG15_WA(cpu, Rn) - OFFSET_12; - } + virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - return fault; } -fault_t LnSWoUB(RegisterOffset)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void LnSWoUB(RegisterOffset)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int Rn = BITS(inst, 16, 19); unsigned int Rm = BITS(inst, 0, 3); unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); unsigned int rm = CHECK_READ_REG15_WA(cpu, Rm); unsigned int addr; - if (U_BIT) { + + if (U_BIT) addr = rn + rm; - } else { + else addr = rn - rm; - } + virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - return fault; } -fault_t LnSWoUB(ImmediatePostIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void LnSWoUB(ImmediatePostIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int Rn = BITS(inst, 16, 19); unsigned int addr = CHECK_READ_REG15_WA(cpu, Rn); - - virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - if (fault) return fault; - if (U_BIT) { + if (U_BIT) cpu->Reg[Rn] += OFFSET_12; - } else { + else cpu->Reg[Rn] -= OFFSET_12; - } - return fault; + + virt_addr = addr; } -fault_t LnSWoUB(ImmediatePreIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void LnSWoUB(ImmediatePreIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int Rn = BITS(inst, 16, 19); unsigned int addr; - if (U_BIT) { + + if (U_BIT) addr = CHECK_READ_REG15_WA(cpu, Rn) + OFFSET_12; - } else { + else addr = CHECK_READ_REG15_WA(cpu, Rn) - OFFSET_12; - } virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - if (fault) return fault; - if (CondPassed(cpu, BITS(inst, 28, 31))) { + if (CondPassed(cpu, BITS(inst, 28, 31))) cpu->Reg[Rn] = addr; - } - return fault; } -fault_t MLnS(RegisterPreIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void MLnS(RegisterPreIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int addr; unsigned int Rn = BITS(inst, 16, 19); unsigned int Rm = BITS(inst, 0, 3); unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); unsigned int rm = CHECK_READ_REG15_WA(cpu, Rm); - if (U_BIT) { + if (U_BIT) addr = rn + rm; - } else + else addr = rn - rm; - if(BIT(inst, 20)){ // L BIT - } - if(BIT(inst, 6)){ // Sign Bit - } - if(BIT(inst, 5)){ // Half Bit - } virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - if (fault) return fault; - if (CondPassed(cpu, BITS(inst, 28, 31))) { + if (CondPassed(cpu, BITS(inst, 28, 31))) cpu->Reg[Rn] = addr; - } - return fault; } -fault_t LnSWoUB(RegisterPreIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void LnSWoUB(RegisterPreIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int Rn = BITS(inst, 16, 19); unsigned int Rm = BITS(inst, 0, 3); unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); unsigned int rm = CHECK_READ_REG15_WA(cpu, Rm); unsigned int addr; - if (U_BIT) { + + if (U_BIT) addr = rn + rm; - } else { + else addr = rn - rm; - } + virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - if(fault) - return fault; + if (CondPassed(cpu, BITS(inst, 28, 31))) { cpu->Reg[Rn] = addr; } - return fault; } -fault_t LnSWoUB(ScaledRegisterPreIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; + +void LnSWoUB(ScaledRegisterPreIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int shift = BITS(inst, 5, 6); unsigned int shift_imm = BITS(inst, 7, 11); unsigned int Rn = BITS(inst, 16, 19); unsigned int Rm = BITS(inst, 0, 3); unsigned int index; unsigned int addr; - unsigned int rm = CHECK_READ_REG15_WA(cpu, Rm); unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); @@ -492,33 +414,27 @@ fault_t LnSWoUB(ScaledRegisterPreIndexed)(arm_processor *cpu, unsigned int inst, DEBUG_MSG; break; } - if (U_BIT) { + + if (U_BIT) addr = rn + index; - } else + else addr = rn - index; + virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - if(fault) - return fault; - if (CondPassed(cpu, BITS(inst, 28, 31))) { - cpu->Reg[Rn] = addr; - } - return fault; + if (CondPassed(cpu, BITS(inst, 28, 31))) + cpu->Reg[Rn] = addr; } -fault_t LnSWoUB(ScaledRegisterPostIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void LnSWoUB(ScaledRegisterPostIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int shift = BITS(inst, 5, 6); unsigned int shift_imm = BITS(inst, 7, 11); unsigned int Rn = BITS(inst, 16, 19); unsigned int Rm = BITS(inst, 0, 3); unsigned int index; - unsigned int addr; - + unsigned int addr = CHECK_READ_REG15_WA(cpu, Rn); unsigned int rm = CHECK_READ_REG15_WA(cpu, Rm); - unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); - addr = rn; + switch (shift) { case 0: index = rm << shift_imm; @@ -537,31 +453,23 @@ fault_t LnSWoUB(ScaledRegisterPostIndexed)(arm_processor *cpu, unsigned int inst DEBUG_MSG; break; } + virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - if(fault) - return fault; + if (CondPassed(cpu, BITS(inst, 28, 31))) { if (U_BIT) cpu->Reg[Rn] += index; else cpu->Reg[Rn] -= index; } - - return fault; } -fault_t LnSWoUB(RegisterPostIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void LnSWoUB(RegisterPostIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int Rn = BITS(inst, 16, 19); unsigned int Rm = BITS(inst, 0, 3); unsigned int rm = CHECK_READ_REG15_WA(cpu, Rm); - unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); - unsigned int addr = rn; - virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - if (fault) return fault; + virt_addr = CHECK_READ_REG15_WA(cpu, Rn); if (CondPassed(cpu, BITS(inst, 28, 31))) { if (U_BIT) { @@ -570,52 +478,40 @@ fault_t LnSWoUB(RegisterPostIndexed)(arm_processor *cpu, unsigned int inst, unsi cpu->Reg[Rn] -= rm; } } - return fault; } -fault_t MLnS(ImmediateOffset)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void MLnS(ImmediateOffset)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int immedL = BITS(inst, 0, 3); unsigned int immedH = BITS(inst, 8, 11); - unsigned int Rn = BITS(inst, 16, 19); unsigned int addr; unsigned int offset_8 = (immedH << 4) | immedL; - if (U_BIT) { + + if (U_BIT) addr = CHECK_READ_REG15_WA(cpu, Rn) + offset_8; - } else + else addr = CHECK_READ_REG15_WA(cpu, Rn) - offset_8; virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - return fault; } -fault_t MLnS(RegisterOffset)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void MLnS(RegisterOffset)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int addr; unsigned int Rn = BITS(inst, 16, 19); unsigned int Rm = BITS(inst, 0, 3); unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); unsigned int rm = CHECK_READ_REG15_WA(cpu, Rm); - if (U_BIT) { + + if (U_BIT) addr = rn + rm; - } else + else addr = rn - rm; - if(BIT(inst, 20)){ // L BIT - } - if(BIT(inst, 6)){ // Sign Bit - } - if(BIT(inst, 5)){ // Half Bit - } + virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - return fault; } -fault_t MLnS(ImmediatePreIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void MLnS(ImmediatePreIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int Rn = BITS(inst, 16, 19); unsigned int immedH = BITS(inst, 8, 11); unsigned int immedL = BITS(inst, 0, 3); @@ -623,189 +519,129 @@ fault_t MLnS(ImmediatePreIndexed)(arm_processor *cpu, unsigned int inst, unsigne unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); unsigned int offset_8 = (immedH << 4) | immedL; - if (U_BIT) { + if (U_BIT) addr = rn + offset_8; - } else + else addr = rn - offset_8; virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - if (fault) return fault; - if (CondPassed(cpu, BITS(inst, 28, 31))) { + if (CondPassed(cpu, BITS(inst, 28, 31))) cpu->Reg[Rn] = addr; - } - return fault; } -fault_t MLnS(ImmediatePostIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void MLnS(ImmediatePostIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int Rn = BITS(inst, 16, 19); unsigned int immedH = BITS(inst, 8, 11); unsigned int immedL = BITS(inst, 0, 3); - unsigned int addr; unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); - addr = rn; - virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - if (fault) return fault; + virt_addr = rn; if (CondPassed(cpu, BITS(inst, 28, 31))) { unsigned int offset_8 = (immedH << 4) | immedL; - if (U_BIT) { + if (U_BIT) rn += offset_8; - } else { + else rn -= offset_8; - } + cpu->Reg[Rn] = rn; } - - return fault; } -fault_t MLnS(RegisterPostIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; + +void MLnS(RegisterPostIndexed)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int Rn = BITS(inst, 16, 19); unsigned int Rm = BITS(inst, 0, 3); unsigned int rm = CHECK_READ_REG15_WA(cpu, Rm); - unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); - unsigned int addr = rn; - virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - if (fault) return fault; + virt_addr = CHECK_READ_REG15_WA(cpu, Rn); if (CondPassed(cpu, BITS(inst, 28, 31))) { - if (U_BIT) { + if (U_BIT) cpu->Reg[Rn] += rm; - } else { + else cpu->Reg[Rn] -= rm; - } } - return fault; } -fault_t LdnStM(DecrementBefore)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void LdnStM(DecrementBefore)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int Rn = BITS(inst, 16, 19); unsigned int i = BITS(inst, 0, 15); int count = 0; - while(i) { - if(i & 1) count ++; + + while (i) { + if (i & 1) count++; i = i >> 1; } - unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); - unsigned int start_addr = rn - count * 4; - unsigned int end_addr = rn - 4; - - fault = check_address_validity(cpu, end_addr, &phys_addr, rw); - virt_addr = end_addr; - if (fault) return fault; - fault = check_address_validity(cpu, start_addr, &phys_addr, rw); - virt_addr = start_addr; - if (fault) return fault; + virt_addr = CHECK_READ_REG15_WA(cpu, Rn) - count * 4; - if (CondPassed(cpu, BITS(inst, 28, 31)) && BIT(inst, 21)) { + if (CondPassed(cpu, BITS(inst, 28, 31)) && BIT(inst, 21)) cpu->Reg[Rn] -= count * 4; - } - - return fault; } -fault_t LdnStM(IncrementBefore)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void LdnStM(IncrementBefore)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int Rn = BITS(inst, 16, 19); unsigned int i = BITS(inst, 0, 15); - unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); int count = 0; - while(i) { - if(i & 1) count ++; + + while (i) { + if (i & 1) count++; i = i >> 1; } - unsigned int start_addr = rn + 4; - unsigned int end_addr = rn + count * 4; - - fault = check_address_validity(cpu, end_addr, &phys_addr, rw); - virt_addr = end_addr; - if (fault) return fault; - - fault = check_address_validity(cpu, start_addr, &phys_addr, rw); - virt_addr = start_addr; - if (fault) return fault; + virt_addr = CHECK_READ_REG15_WA(cpu, Rn) + 4; - if (CondPassed(cpu, BITS(inst, 28, 31)) && BIT(inst, 21)) { + if (CondPassed(cpu, BITS(inst, 28, 31)) && BIT(inst, 21)) cpu->Reg[Rn] += count * 4; - } - return fault; } -fault_t LdnStM(IncrementAfter)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void LdnStM(IncrementAfter)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int Rn = BITS(inst, 16, 19); unsigned int i = BITS(inst, 0, 15); - unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); int count = 0; + while(i) { - if(i & 1) count ++; + if (i & 1) count++; i = i >> 1; } - unsigned int start_addr = rn; - unsigned int end_addr = rn + count * 4 - 4; - fault = check_address_validity(cpu, end_addr, &phys_addr, rw); - virt_addr = end_addr; - if (fault) return fault; + virt_addr = CHECK_READ_REG15_WA(cpu, Rn); - fault = check_address_validity(cpu, start_addr, &phys_addr, rw); - virt_addr = start_addr; - if (fault) return fault; - - if (CondPassed(cpu, BITS(inst, 28, 31)) && BIT(inst, 21)) { + if (CondPassed(cpu, BITS(inst, 28, 31)) && BIT(inst, 21)) cpu->Reg[Rn] += count * 4; - } - return fault; } -fault_t LdnStM(DecrementAfter)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void LdnStM(DecrementAfter)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int Rn = BITS(inst, 16, 19); unsigned int i = BITS(inst, 0, 15); int count = 0; while(i) { - if(i & 1) count ++; + if(i & 1) count++; i = i >> 1; } unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); unsigned int start_addr = rn - count * 4 + 4; unsigned int end_addr = rn; - fault = check_address_validity(cpu, end_addr, &phys_addr, rw); virt_addr = end_addr; - if (fault) return fault; - - fault = check_address_validity(cpu, start_addr, &phys_addr, rw); - if (fault) return fault; virt_addr = start_addr; if (CondPassed(cpu, BITS(inst, 28, 31)) && BIT(inst, 21)) { cpu->Reg[Rn] -= count * 4; } - return fault; } -fault_t LnSWoUB(ScaledRegisterOffset)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int &phys_addr, unsigned int rw) { - fault_t fault; +void LnSWoUB(ScaledRegisterOffset)(arm_processor *cpu, unsigned int inst, unsigned int &virt_addr, unsigned int rw) { unsigned int shift = BITS(inst, 5, 6); unsigned int shift_imm = BITS(inst, 7, 11); unsigned int Rn = BITS(inst, 16, 19); unsigned int Rm = BITS(inst, 0, 3); unsigned int index; unsigned int addr; - unsigned int rm = CHECK_READ_REG15_WA(cpu, Rm); unsigned int rn = CHECK_READ_REG15_WA(cpu, Rn); + switch (shift) { case 0: index = rm << shift_imm; @@ -823,8 +659,7 @@ fault_t LnSWoUB(ScaledRegisterOffset)(arm_processor *cpu, unsigned int inst, uns index = 0xFFFFFFFF; else index = 0; - } - else { + } else { index = static_cast<int>(rm) >> shift_imm; } break; @@ -832,15 +667,13 @@ fault_t LnSWoUB(ScaledRegisterOffset)(arm_processor *cpu, unsigned int inst, uns DEBUG_MSG; break; } + if (U_BIT) { addr = rn + index; } else addr = rn - index; virt_addr = addr; - fault = check_address_validity(cpu, addr, &phys_addr, rw); - - return fault; } #define ISNEG(n) (n < 0) @@ -3541,30 +3374,19 @@ int InterpreterTranslate(arm_processor *cpu, int &bb_start, addr_t addr) { if (cpu->TFlag) thumb = THUMB; - addr_t phys_addr; - addr_t pc_start; - fault_t fault = NO_FAULT; - fault = check_address_validity(cpu, addr, &phys_addr, 1); - if(fault != NO_FAULT){ - cpu->abortSig = true; - cpu->Aborted = ARMul_PrefetchAbortV; - cpu->AbortAddr = addr; - cpu->CP15[CP15(CP15_INSTR_FAULT_STATUS)] = fault & 0xff; - cpu->CP15[CP15(CP15_FAULT_ADDRESS)] = addr; - return FETCH_EXCEPTION; - } - - pc_start = phys_addr; + addr_t phys_addr = addr; + addr_t pc_start = cpu->Reg[15]; while(ret == NON_BRANCH) { - inst = Memory::Read32(phys_addr & 0xFFFFFFFC);//*(uint32_t *)(phys_addr & 0xFFFFFFFC); + inst = Memory::Read32(phys_addr & 0xFFFFFFFC); - size ++; + size++; // If we are in thumb instruction, we will translate one thumb to one corresponding arm instruction if (cpu->TFlag) { uint32_t arm_inst; tdstate state; state = decode_thumb_instr(cpu, inst, phys_addr, &arm_inst, &inst_size, &inst_base); + // We have translated the branch instruction of thumb in thumb decoder if(state == t_branch){ goto translated; @@ -3574,7 +3396,8 @@ int InterpreterTranslate(arm_processor *cpu, int &bb_start, addr_t addr) { ret = decode_arm_instr(inst, &idx); if (ret == DECODE_FAILURE) { - LOG_ERROR(Core_ARM11, "Decode failure.\tPC : [0x%x]\tInstruction : [%x]", phys_addr, inst); + std::string disasm = ARM_Disasm::Disassemble(phys_addr, inst); + LOG_ERROR(Core_ARM11, "Decode failure.\tPC : [0x%x]\tInstruction : %s [%x]", phys_addr, disasm.c_str(), inst); LOG_ERROR(Core_ARM11, "cpsr=0x%x, cpu->TFlag=%d, r15=0x%x", cpu->Cpsr, cpu->TFlag, cpu->Reg[15]); CITRA_IGNORE_EXIT(-1); } @@ -3603,15 +3426,15 @@ void InterpreterInitInstLength(unsigned long long int *ptr, size_t size) { memcpy(InstLabel, ptr, size); qsort(InstLabel, array_size, sizeof(void *), cmp); InstLength = new unsigned int[array_size - 4]; - for (int i = 0; i < array_size - 4; i ++) { - for (int j = 0; j < array_size; j ++) { + for (int i = 0; i < array_size - 4; i++) { + for (int j = 0; j < array_size; j++) { if (ptr[i] == InstLabel[j]) { InstLength[i] = InstLabel[j + 1] - InstLabel[j]; break; } } } - for (int i = 0; i < array_size - 4; i ++) + for (int i = 0; i < array_size - 4; i++) LOG_DEBUG(Core_ARM11, "[%d]:%d", i, InstLength[i]); } @@ -3928,7 +3751,7 @@ unsigned InterpreterMainLoop(ARMul_State* state) { unsigned int phys_addr; unsigned int last_pc = 0; unsigned int num_instrs = 0; - fault_t fault; + static unsigned int last_physical_base = 0, last_logical_base = 0; int ptr; bool single_step = (cpu->NumInstrsToExecute == 1); @@ -3949,7 +3772,7 @@ unsigned InterpreterMainLoop(ARMul_State* state) { phys_addr = cpu->Reg[15]; - if (find_bb(phys_addr, ptr) == -1) + if (find_bb(cpu->Reg[15], ptr) == -1) if (InterpreterTranslate(cpu, ptr, cpu->Reg[15]) == FETCH_EXCEPTION) goto END; @@ -4299,53 +4122,34 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { - int i; - unsigned int ret; - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 1); - if (fault) { - goto MMU_EXCEPTION; - } + inst_cream->get_addr(cpu, inst_cream->inst, addr, 1); + unsigned int inst = inst_cream->inst; if (BIT(inst, 22) && !BIT(inst, 15)) { - for (i = 0; i < 13; i++) { - if(BIT(inst, i)){ - fault = interpreter_read_memory(addr, phys_addr, ret, 32); - cpu->Reg[i] = ret; + for (int i = 0; i < 13; i++) { + if(BIT(inst, i)) { + cpu->Reg[i] = Memory::Read32(addr); addr += 4; - if ((addr & 0xfff) == 0) { - fault = check_address_validity(cpu, addr, &phys_addr, 1); - } else { - phys_addr += 4; - } } } if (BIT(inst, 13)) { - fault = interpreter_read_memory(addr, phys_addr, ret, 32); - if (cpu->Mode == USER32MODE) - cpu->Reg[13] = ret; + cpu->Reg[13] = Memory::Read32(addr); else - cpu->Reg_usr[0] = ret; + cpu->Reg_usr[0] = Memory::Read32(addr); + addr += 4; - if ((addr & 0xfff) == 0) { - fault = check_address_validity(cpu, addr, &phys_addr, 1); - } else { - phys_addr += 4; - } } if (BIT(inst, 14)) { - fault = interpreter_read_memory(addr, phys_addr, ret, 32); - if (cpu->Mode == USER32MODE) - cpu->Reg[14] = ret; + cpu->Reg[14] = Memory::Read32(addr); else - cpu->Reg_usr[1] = ret; + cpu->Reg_usr[1] = Memory::Read32(addr); } } else if (!BIT(inst, 22)) { - for( i = 0; i < 16; i ++ ){ + for(int i = 0; i < 16; i++ ){ if(BIT(inst, i)){ - fault = interpreter_read_memory(addr, phys_addr, ret, 32); - if (fault) goto MMU_EXCEPTION; + unsigned int ret = Memory::Read32(addr); // For armv5t, should enter thumb when bits[0] is non-zero. if(i == 15){ @@ -4355,39 +4159,25 @@ unsigned InterpreterMainLoop(ARMul_State* state) { cpu->Reg[i] = ret; addr += 4; - if ((addr & 0xfff) == 0) { - fault = check_address_validity(cpu, addr, &phys_addr, 1); - } else { - phys_addr += 4; - } } } } else if (BIT(inst, 22) && BIT(inst, 15)) { - for( i = 0; i < 15; i ++ ){ + for(int i = 0; i < 15; i++ ){ if(BIT(inst, i)){ - fault = interpreter_read_memory(addr, phys_addr, ret, 32); - cpu->Reg[i] = ret; + cpu->Reg[i] = Memory::Read32(addr); addr += 4; - if ((addr & 0xfff) == 0) { - fault = check_address_validity(cpu, addr, &phys_addr, 1); - } else { - phys_addr += 4; - } } } - + if (CurrentModeHasSPSR) { cpu->Cpsr = cpu->Spsr_copy; switch_mode(cpu, cpu->Cpsr & 0x1f); LOAD_NZCVT; } - fault = interpreter_read_memory(addr, phys_addr, ret, 32); - if (fault) { - goto MMU_EXCEPTION; - } - cpu->Reg[15] = ret; - } + cpu->Reg[15] = Memory::Read32(addr); + } + if (BIT(inst, 15)) { INC_PC(sizeof(ldst_inst)); goto DISPATCH; @@ -4419,16 +4209,16 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; //if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 1); - if (fault) goto MMU_EXCEPTION; - unsigned int value; - fault = interpreter_read_memory(addr, phys_addr, value, 32); + inst_cream->get_addr(cpu, inst_cream->inst, addr, 1); + + unsigned int value = Memory::Read32(addr); if (BIT(CP15_REG(CP15_CONTROL), 22) == 1) cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value; else { value = ROTATE_RIGHT_32(value,(8*(addr&0x3))); cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value; } + if (BITS(inst_cream->inst, 12, 15) == 15) { // For armv5t, should enter thumb when bits[0] is non-zero. cpu->TFlag = value & 0x1; @@ -4437,6 +4227,7 @@ unsigned InterpreterMainLoop(ARMul_State* state) { goto DISPATCH; } //} + cpu->Reg[15] += GET_INST_SIZE(cpu); INC_PC(sizeof(ldst_inst)); FETCH_INST; @@ -4446,10 +4237,8 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if (CondPassed(cpu, inst_base->cond)) { - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 1); - if (fault) goto MMU_EXCEPTION; - unsigned int value; - fault = interpreter_read_memory(addr, phys_addr, value, 32); + inst_cream->get_addr(cpu, inst_cream->inst, addr, 1); + unsigned int value = Memory::Read32(addr); if (BIT(CP15_REG(CP15_CONTROL), 22) == 1) cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value; else { @@ -4504,12 +4293,9 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 1); - if (fault) goto MMU_EXCEPTION; - unsigned int value; - fault = interpreter_read_memory(addr, phys_addr, value, 8); - if (fault) goto MMU_EXCEPTION; - cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value; + inst_cream->get_addr(cpu, inst_cream->inst, addr, 1); + cpu->Reg[BITS(inst_cream->inst, 12, 15)] = Memory::Read8(addr); + if (BITS(inst_cream->inst, 12, 15) == 15) { INC_PC(sizeof(ldst_inst)); goto DISPATCH; @@ -4524,12 +4310,9 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 1); - if (fault) goto MMU_EXCEPTION; - unsigned int value; - fault = interpreter_read_memory(addr, phys_addr, value, 8); - if (fault) goto MMU_EXCEPTION; - cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value; + inst_cream->get_addr(cpu, inst_cream->inst, addr, 1); + cpu->Reg[BITS(inst_cream->inst, 12, 15)] = Memory::Read8(addr); + if (BITS(inst_cream->inst, 12, 15) == 15) { INC_PC(sizeof(ldst_inst)); goto DISPATCH; @@ -4545,22 +4328,10 @@ unsigned InterpreterMainLoop(ARMul_State* state) { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { // Should check if RD is even-numbered, Rd != 14, addr[0:1] == 0, (CP15_reg1_U == 1 || addr[2] == 0) - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 1); - if (fault) goto MMU_EXCEPTION; - uint32_t rear_phys_addr; - fault = check_address_validity(cpu, addr + 4, &rear_phys_addr, 1); - if(fault){ - LOG_ERROR(Core_ARM11, "MMU fault , should rollback the above get_addr\n"); - CITRA_IGNORE_EXIT(-1); - goto MMU_EXCEPTION; - } - unsigned int value; - fault = interpreter_read_memory(addr, phys_addr, value, 32); - if (fault) goto MMU_EXCEPTION; - cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value; - fault = interpreter_read_memory(addr + 4, rear_phys_addr, value, 32); - if (fault) goto MMU_EXCEPTION; - cpu->Reg[BITS(inst_cream->inst, 12, 15) + 1] = value; + inst_cream->get_addr(cpu, inst_cream->inst, addr, 1); + + cpu->Reg[BITS(inst_cream->inst, 12, 15)] = Memory::Read32(addr); + cpu->Reg[BITS(inst_cream->inst, 12, 15) + 1] = Memory::Read32(addr + 4); // No dispatch since this operation should not modify R15 } @@ -4575,13 +4346,10 @@ unsigned InterpreterMainLoop(ARMul_State* state) { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { addr = cpu->Reg[BITS(inst_cream->inst, 16, 19)]; - fault = check_address_validity(cpu, addr, &phys_addr, 1); - if (fault) goto MMU_EXCEPTION; - unsigned int value; - fault = interpreter_read_memory(addr, phys_addr, value, 32); - if (fault) goto MMU_EXCEPTION; - add_exclusive_addr(cpu, phys_addr); + unsigned int value = Memory::Read32(addr); + + add_exclusive_addr(cpu, addr); cpu->exclusive_state = 1; cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value; @@ -4600,13 +4368,10 @@ unsigned InterpreterMainLoop(ARMul_State* state) { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { addr = cpu->Reg[BITS(inst_cream->inst, 16, 19)]; - fault = check_address_validity(cpu, addr, &phys_addr, 1); - if (fault) goto MMU_EXCEPTION; - unsigned int value; - fault = interpreter_read_memory(addr, phys_addr, value, 8); - if (fault) goto MMU_EXCEPTION; - add_exclusive_addr(cpu, phys_addr); + unsigned int value = Memory::Read8(addr); + + add_exclusive_addr(cpu, addr); cpu->exclusive_state = 1; cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value; @@ -4624,12 +4389,8 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 1); - if (fault) goto MMU_EXCEPTION; - unsigned int value = 0; - fault = interpreter_read_memory(addr, phys_addr, value, 16); - if (fault) goto MMU_EXCEPTION; - cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value; + inst_cream->get_addr(cpu, inst_cream->inst, addr, 1); + cpu->Reg[BITS(inst_cream->inst, 12, 15)] = Memory::Read16(addr); if (BITS(inst_cream->inst, 12, 15) == 15) { INC_PC(sizeof(ldst_inst)); goto DISPATCH; @@ -4644,11 +4405,8 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 1); - if (fault) goto MMU_EXCEPTION; - unsigned int value; - fault = interpreter_read_memory(addr, phys_addr, value, 8); - if (fault) goto MMU_EXCEPTION; + inst_cream->get_addr(cpu, inst_cream->inst, addr, 1); + unsigned int value = Memory::Read8(addr); if (BIT(value, 7)) { value |= 0xffffff00; } @@ -4667,11 +4425,8 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 1); - if (fault) goto MMU_EXCEPTION; - unsigned int value; - fault = interpreter_read_memory(addr, phys_addr, value, 16); - if (fault) goto MMU_EXCEPTION; + inst_cream->get_addr(cpu, inst_cream->inst, addr, 1); + unsigned int value = Memory::Read16(addr); if (BIT(value, 15)) { value |= 0xffff0000; } @@ -4690,11 +4445,8 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 1); - if (fault) goto MMU_EXCEPTION; - unsigned int value; - fault = interpreter_read_memory(addr, phys_addr, value, 32); - if (fault) goto MMU_EXCEPTION; + inst_cream->get_addr(cpu, inst_cream->inst, addr, 1); + unsigned int value = Memory::Read32(addr); cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value; if (BIT(CP15_REG(CP15_CONTROL), 22) == 1) @@ -5640,78 +5392,49 @@ unsigned InterpreterMainLoop(ARMul_State* state) { unsigned int Rn = BITS(inst, 16, 19); unsigned int old_RN = cpu->Reg[Rn]; - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 0); - if (fault) goto MMU_EXCEPTION; + inst_cream->get_addr(cpu, inst_cream->inst, addr, 0); if (BIT(inst_cream->inst, 22) == 1) { for (i = 0; i < 13; i++) { - if(BIT(inst_cream->inst, i)){ - fault = check_address_validity(cpu, addr, &phys_addr, 0); - if (fault) goto MMU_EXCEPTION; - fault = interpreter_write_memory(addr, phys_addr, cpu->Reg[i], 32); - if (fault) goto MMU_EXCEPTION; + if(BIT(inst_cream->inst, i)) { + Memory::Write32(addr, cpu->Reg[i]); addr += 4; - phys_addr += 4; } } if (BIT(inst_cream->inst, 13)) { if (cpu->Mode == USER32MODE) { - fault = check_address_validity(cpu, addr, &phys_addr, 0); - if (fault) goto MMU_EXCEPTION; - fault = interpreter_write_memory(addr, phys_addr, cpu->Reg[i], 32); - if (fault) goto MMU_EXCEPTION; + Memory::Write32(addr, cpu->Reg[i]); addr += 4; - phys_addr += 4; } else { - fault = interpreter_write_memory(addr, phys_addr, cpu->Reg_usr[0], 32); - if (fault) goto MMU_EXCEPTION; + Memory::Write32(addr, cpu->Reg_usr[0]); addr += 4; - phys_addr += 4; } } if (BIT(inst_cream->inst, 14)) { if (cpu->Mode == USER32MODE) { - fault = check_address_validity(cpu, addr, &phys_addr, 0); - if (fault) goto MMU_EXCEPTION; - fault = interpreter_write_memory(addr, phys_addr, cpu->Reg[i], 32); - if (fault) goto MMU_EXCEPTION; + Memory::Write32(addr, cpu->Reg[i]); addr += 4; - phys_addr += 4; } else { - fault = check_address_validity(cpu, addr, &phys_addr, 0); - if (fault) goto MMU_EXCEPTION; - fault = interpreter_write_memory(addr, phys_addr, cpu->Reg_usr[1], 32); - if (fault) goto MMU_EXCEPTION; + Memory::Write32(addr, cpu->Reg_usr[1]); addr += 4; - phys_addr += 4; } } if (BIT(inst_cream->inst, 15)) { - fault = check_address_validity(cpu, addr, &phys_addr, 0); - if (fault) goto MMU_EXCEPTION; - fault = interpreter_write_memory(addr, phys_addr, cpu->Reg[i] + 8, 32); - if (fault) goto MMU_EXCEPTION; + Memory::Write32(addr, cpu->Reg_usr[1] + 8); } } else { - for( i = 0; i < 15; i ++ ) { + for( i = 0; i < 15; i++ ) { if(BIT(inst_cream->inst, i)) { - fault = check_address_validity(cpu, addr, &phys_addr, 0); - if (fault) goto MMU_EXCEPTION; if(i == Rn) - fault = interpreter_write_memory(addr, phys_addr, old_RN, 32); + Memory::Write32(addr, old_RN); else - fault = interpreter_write_memory(addr, phys_addr, cpu->Reg[i], 32); - if (fault) goto MMU_EXCEPTION; + Memory::Write32(addr, cpu->Reg[i]); addr += 4; - phys_addr += 4; } } // Check PC reg if(BIT(inst_cream->inst, i)) { - fault = check_address_validity(cpu, addr, &phys_addr, 0); - if (fault) goto MMU_EXCEPTION; - fault = interpreter_write_memory(addr, phys_addr, cpu->Reg[i] + 8, 32); - if (fault) goto MMU_EXCEPTION; + Memory::Write32(addr, cpu->Reg_usr[1] + 8); } } } @@ -5744,11 +5467,9 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 0); - if (fault) goto MMU_EXCEPTION; + inst_cream->get_addr(cpu, inst_cream->inst, addr, 0); unsigned int value = cpu->Reg[BITS(inst_cream->inst, 12, 15)]; - fault = interpreter_write_memory(addr, phys_addr, value, 32); - if (fault) goto MMU_EXCEPTION; + Memory::Write32(addr, value); } cpu->Reg[15] += GET_INST_SIZE(cpu); INC_PC(sizeof(ldst_inst)); @@ -5785,11 +5506,9 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 0); - if (fault) goto MMU_EXCEPTION; + inst_cream->get_addr(cpu, inst_cream->inst, addr, 0); unsigned int value = cpu->Reg[BITS(inst_cream->inst, 12, 15)] & 0xff; - fault = interpreter_write_memory(addr, phys_addr, value, 8); - if (fault) goto MMU_EXCEPTION; + Memory::Write8(addr, value); } cpu->Reg[15] += GET_INST_SIZE(cpu); INC_PC(sizeof(ldst_inst)); @@ -5800,11 +5519,9 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 0); - if (fault) goto MMU_EXCEPTION; + inst_cream->get_addr(cpu, inst_cream->inst, addr, 0); unsigned int value = cpu->Reg[BITS(inst_cream->inst, 12, 15)] & 0xff; - fault = interpreter_write_memory(addr, phys_addr, value, 8); - if (fault) goto MMU_EXCEPTION; + Memory::Write8(addr, value); } cpu->Reg[15] += GET_INST_SIZE(cpu); INC_PC(sizeof(ldst_inst)); @@ -5815,22 +5532,12 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 0); - if (fault) goto MMU_EXCEPTION; - uint32_t rear_phys_addr; - fault = check_address_validity(cpu, addr + 4, &rear_phys_addr, 0); - if (fault){ - LOG_ERROR(Core_ARM11, "MMU fault , should rollback the above get_addr"); - CITRA_IGNORE_EXIT(-1); - goto MMU_EXCEPTION; - } + inst_cream->get_addr(cpu, inst_cream->inst, addr, 0); unsigned int value = cpu->Reg[BITS(inst_cream->inst, 12, 15)]; - fault = interpreter_write_memory(addr, phys_addr, value, 32); - if (fault) goto MMU_EXCEPTION; + Memory::Write32(addr, value); value = cpu->Reg[BITS(inst_cream->inst, 12, 15) + 1]; - fault = interpreter_write_memory(addr + 4, rear_phys_addr, value, 32); - if (fault) goto MMU_EXCEPTION; + Memory::Write32(addr + 4, value); } cpu->Reg[15] += GET_INST_SIZE(cpu); INC_PC(sizeof(ldst_inst)); @@ -5843,17 +5550,14 @@ unsigned InterpreterMainLoop(ARMul_State* state) { if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { addr = cpu->Reg[BITS(inst_cream->inst, 16, 19)]; unsigned int value = cpu->Reg[BITS(inst_cream->inst, 0, 3)]; - fault = check_address_validity(cpu, addr, &phys_addr, 0); - if (fault) goto MMU_EXCEPTION; int dest_reg = BITS(inst_cream->inst, 12, 15); - if((exclusive_detect(cpu, phys_addr) == 0) && (cpu->exclusive_state == 1)){ - remove_exclusive(cpu, phys_addr); + if((exclusive_detect(cpu, addr) == 0) && (cpu->exclusive_state == 1)){ + remove_exclusive(cpu, addr); cpu->Reg[dest_reg] = 0; cpu->exclusive_state = 0; - fault = interpreter_write_memory(addr, phys_addr, value, 32); - if (fault) goto MMU_EXCEPTION; + Memory::Write32(addr, value); } else { // Failed to write due to mutex access cpu->Reg[dest_reg] = 1; @@ -5870,15 +5574,12 @@ unsigned InterpreterMainLoop(ARMul_State* state) { if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { addr = cpu->Reg[BITS(inst_cream->inst, 16, 19)]; unsigned int value = cpu->Reg[BITS(inst_cream->inst, 0, 3)] & 0xff; - fault = check_address_validity(cpu, addr, &phys_addr, 0); - if (fault) goto MMU_EXCEPTION; int dest_reg = BITS(inst_cream->inst, 12, 15); - if((exclusive_detect(cpu, phys_addr) == 0) && (cpu->exclusive_state == 1)){ - remove_exclusive(cpu, phys_addr); + if((exclusive_detect(cpu, addr) == 0) && (cpu->exclusive_state == 1)){ + remove_exclusive(cpu, addr); cpu->Reg[dest_reg] = 0; cpu->exclusive_state = 0; - fault = interpreter_write_memory(addr, phys_addr, value, 8); - if (fault) goto MMU_EXCEPTION; + Memory::Write8(addr, value); } else { cpu->Reg[dest_reg] = 1; } @@ -5892,11 +5593,9 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 0); - if (fault) goto MMU_EXCEPTION; + inst_cream->get_addr(cpu, inst_cream->inst, addr, 0); unsigned int value = cpu->Reg[BITS(inst_cream->inst, 12, 15)] & 0xffff; - fault = interpreter_write_memory(addr, phys_addr, value, 16); - if (fault) goto MMU_EXCEPTION; + Memory::Write16(addr, value); } cpu->Reg[15] += GET_INST_SIZE(cpu); INC_PC(sizeof(ldst_inst)); @@ -5907,11 +5606,9 @@ unsigned InterpreterMainLoop(ARMul_State* state) { { ldst_inst *inst_cream = (ldst_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { - fault = inst_cream->get_addr(cpu, inst_cream->inst, addr, phys_addr, 0); - if (fault) goto MMU_EXCEPTION; + inst_cream->get_addr(cpu, inst_cream->inst, addr, 0); unsigned int value = cpu->Reg[BITS(inst_cream->inst, 12, 15)]; - fault = interpreter_write_memory(addr, phys_addr, value, 32); - if (fault) goto MMU_EXCEPTION; + Memory::Write32(addr, value); } cpu->Reg[15] += GET_INST_SIZE(cpu); INC_PC(sizeof(ldst_inst)); @@ -5967,15 +5664,10 @@ unsigned InterpreterMainLoop(ARMul_State* state) { swp_inst *inst_cream = (swp_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { addr = RN; - fault = check_address_validity(cpu, addr, &phys_addr, 1); - if (fault) goto MMU_EXCEPTION; unsigned int value; - fault = interpreter_read_memory(addr, phys_addr, value, 32); - if (fault) goto MMU_EXCEPTION; - fault = interpreter_write_memory(addr, phys_addr, RM, 32); - if (fault) goto MMU_EXCEPTION; + value = Memory::Read32(addr); + Memory::Write32(addr, RM); - assert((phys_addr & 0x3) == 0); RD = value; } cpu->Reg[15] += GET_INST_SIZE(cpu); @@ -5988,13 +5680,8 @@ unsigned InterpreterMainLoop(ARMul_State* state) { swp_inst *inst_cream = (swp_inst *)inst_base->component; if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { addr = RN; - fault = check_address_validity(cpu, addr, &phys_addr, 1); - if (fault) goto MMU_EXCEPTION; - unsigned int value; - fault = interpreter_read_memory(addr, phys_addr, value, 8); - if (fault) goto MMU_EXCEPTION; - fault = interpreter_write_memory(addr, phys_addr, (RM & 0xFF), 8); - if (fault) goto MMU_EXCEPTION; + unsigned int value = Memory::Read8(addr); + Memory::Write8(addr, (RM & 0xFF)); } cpu->Reg[15] += GET_INST_SIZE(cpu); INC_PC(sizeof(swp_inst)); @@ -6459,17 +6146,7 @@ unsigned InterpreterMainLoop(ARMul_State* state) { #define VFP_INTERPRETER_IMPL #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" #undef VFP_INTERPRETER_IMPL - MMU_EXCEPTION: - { - SAVE_NZCVT; - cpu->abortSig = true; - cpu->Aborted = ARMul_DataAbortV; - cpu->AbortAddr = addr; - cpu->CP15[CP15(CP15_FAULT_STATUS)] = fault & 0xff; - cpu->CP15[CP15(CP15_FAULT_ADDRESS)] = addr; - cpu->NumInstrsToExecute = 0; - return num_instrs; - } + END: { SAVE_NZCVT; |