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data abort handling for (almost) all (arm) instructions

Browse Source 
full list: strb, ldrb, strh, ldrd, strd, ldrh, ldrsb, ldrsh
This commit is contained in:
Jaklyy
2024-06-04 21:22:39 -04:00
parent 1e8194e367
commit 317a8c61e5
4 changed files with 102 additions and 80 deletions
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12
src/ARM.cpp
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@ -1152,20 +1152,22 @@ u32 ARMv5::ReadMem(u32 addr, int size)
}
#endif
void ARMv4::DataRead8(u32 addr, u32* val)
bool ARMv4::DataRead8(u32 addr, u32* val)
{
*val = BusRead8(addr);
DataRegion = addr;
DataCycles = NDS.ARM7MemTimings[addr >> 15][0];
return true;
}
void ARMv4::DataRead16(u32 addr, u32* val)
bool ARMv4::DataRead16(u32 addr, u32* val)
{
addr &= ~1;
*val = BusRead16(addr);
DataRegion = addr;
DataCycles = NDS.ARM7MemTimings[addr >> 15][0];
return true;
}
bool ARMv4::DataRead32(u32 addr, u32* val)
@ -1187,20 +1189,22 @@ bool ARMv4::DataRead32S(u32 addr, u32* val)
return true;
}
void ARMv4::DataWrite8(u32 addr, u8 val)
bool ARMv4::DataWrite8(u32 addr, u8 val)
{
BusWrite8(addr, val);
DataRegion = addr;
DataCycles = NDS.ARM7MemTimings[addr >> 15][0];
return true;
}
void ARMv4::DataWrite16(u32 addr, u16 val)
bool ARMv4::DataWrite16(u32 addr, u16 val)
{
addr &= ~1;
BusWrite16(addr, val);
DataRegion = addr;
DataCycles = NDS.ARM7MemTimings[addr >> 15][0];
return true;
}
bool ARMv4::DataWrite32(u32 addr, u32 val)