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arm64jit: Add breakpoints/memchecks.

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Unknown W. Brackets 2023-09-07 17:38:46 -07:00
parent d8f4f50ecb
commit a8f81b4289
1 changed files with 26 additions and 2 deletions
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28
Core/MIPS/ARM64/Arm64IRCompSystem.cpp
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@ -24,6 +24,7 @@
#include "Core/HLE/HLE.h"
#include "Core/HLE/ReplaceTables.h"
#include "Core/MemMap.h"
#include "Core/MIPS/IR/IRInterpreter.h"
#include "Core/MIPS/ARM64/Arm64IRJit.h"
#include "Core/MIPS/ARM64/Arm64IRRegCache.h"
@ -84,14 +85,37 @@ void Arm64JitBackend::CompIR_Breakpoint(IRInst inst) {
switch (inst.op) {
case IROp::Breakpoint:
case IROp::MemoryCheck:
CompIR_Generic(inst);
FlushAll();
// Note: the constant could be a delay slot.
MOVI2R(W0, inst.constant);
QuickCallFunction(SCRATCH2_64, &IRRunBreakpoint);
break;
case IROp::MemoryCheck:
{
ARM64Reg addrBase = regs_.MapGPR(inst.src1);
FlushAll();
ADDI2R(W1, addrBase, inst.constant, SCRATCH1);
MovFromPC(W0);
ADDI2R(W0, W0, inst.dest, SCRATCH1);
QuickCallFunction(SCRATCH2_64, &IRRunMemCheck);
break;
}
default:
INVALIDOP;
break;
}
// Both return a flag on whether to bail out.
ptrdiff_t distance = dispatcherCheckCoreState_ - GetCodePointer();
if (distance >= -0x100000 && distance < 0x100000) {
CBNZ(W0, dispatcherCheckCoreState_);
} else {
FixupBranch keepOnKeepingOn = CBZ(W0);
B(dispatcherCheckCoreState_);
SetJumpTarget(keepOnKeepingOn);
}
}
void Arm64JitBackend::CompIR_System(IRInst inst) {