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CPU/Recompiler: Implement lb/lbu/lh/lhu/lw/sb/sh/sw instructions

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Currently not passing CPU tests when combined with lwl/lwr.
This commit is contained in:
Connor McLaughlin
2019-11-21 23:33:58 +10:00
parent 9e3bb62216
commit 7aafaeacbc
12 changed files with 453 additions and 51 deletions
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45
src/core/cpu_recompiler_thunks.cpp
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@ -4,19 +4,52 @@ namespace CPU::Recompiler {
// TODO: Port thunks to "ASM routines", i.e. code in the jit buffer.
bool Thunks::ReadMemoryByte(Core* cpu, u32 address, u8* value)
u64 Thunks::ReadMemoryByte(Core* cpu, u32 address)
{
return cpu->ReadMemoryByte(address, value);
u32 temp = 0;
const TickCount cycles = cpu->DoMemoryAccess<MemoryAccessType::Read, MemoryAccessSize::Byte>(address, temp);
if (cycles < 0)
{
cpu->RaiseException(Exception::DBE);
return UINT64_C(0xFFFFFFFFFFFFFFFF);
}
cpu->AddTicks(cycles - 1);
return ZeroExtend64(temp);
}
bool Thunks::ReadMemoryHalfWord(Core* cpu, u32 address, u16* value)
u64 Thunks::ReadMemoryHalfWord(Core* cpu, u32 address)
{
return cpu->ReadMemoryHalfWord(address, value);
if (!cpu->DoAlignmentCheck<MemoryAccessType::Read, MemoryAccessSize::HalfWord>(address))
return UINT64_C(0xFFFFFFFFFFFFFFFF);
u32 temp = 0;
const TickCount cycles = cpu->DoMemoryAccess<MemoryAccessType::Read, MemoryAccessSize::HalfWord>(address, temp);
if (cycles < 0)
{
cpu->RaiseException(Exception::DBE);
return UINT64_C(0xFFFFFFFFFFFFFFFF);
}
cpu->AddTicks(cycles - 1);
return ZeroExtend64(temp);
}
bool Thunks::ReadMemoryWord(Core* cpu, u32 address, u32* value)
u64 Thunks::ReadMemoryWord(Core* cpu, u32 address)
{
return cpu->ReadMemoryWord(address, value);
if (!cpu->DoAlignmentCheck<MemoryAccessType::Read, MemoryAccessSize::Word>(address))
return UINT64_C(0xFFFFFFFFFFFFFFFF);
u32 temp = 0;
const TickCount cycles = cpu->DoMemoryAccess<MemoryAccessType::Read, MemoryAccessSize::Word>(address, temp);
if (cycles < 0)
{
cpu->RaiseException(Exception::DBE);
return UINT64_C(0xFFFFFFFFFFFFFFFF);
}
cpu->AddTicks(cycles - 1);
return ZeroExtend64(temp);
}
bool Thunks::WriteMemoryByte(Core* cpu, u32 address, u8 value)