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More progress on JIT constant instructions implementations

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SimoneN64
2025-01-06 22:03:39 +01:00
parent 7d18f2386a
commit 200f6c4515
6 changed files with 505 additions and 31 deletions
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22
src/backend/core/JIT.cpp
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@@ -23,7 +23,7 @@ void JIT::CheckCompareInterrupt() {
}
int JIT::Step() {
u32 instruction;
u32 instruction = 0;
s64 pc = regs.pc;
do {
@@ -32,19 +32,23 @@ int JIT::Step() {
// regs.prevDelaySlot = regs.delaySlot;
// regs.delaySlot = false;
/*if (check_address_error(0b11, u64(pc))) [[unlikely]] {
regs.cop0.HandleTLBException(pc);
if (check_address_error(0b11, u64(pc))) [[unlikely]] {
/*regs.cop0.HandleTLBException(pc);
regs.cop0.FireException(ExceptionCode::AddressErrorLoad, 0, pc);
return 1;
}*/
return 1;*/
Util::panic("[JIT]: Unhandled exception ADL due to unaligned PC virtual value! (0x{:016lX})",
static_cast<u64>(regs.pc));
}
u32 paddr = 0;
if (!regs.cop0.MapVAddr(Cop0::LOAD, pc, paddr)) {
/*regs.cop0.HandleTLBException(pc);
regs.cop0.FireException(Cop0::GetTLBExceptionCode(regs.cop0.tlbError, Cop0::LOAD), 0, pc);
return 1;*/
Util::panic("[JIT]: Unhandled exception TLB exception {} when retrieving PC physical address!",
static_cast<int>(Cop0::GetTLBExceptionCode(regs.cop0.tlbError, Cop0::LOAD)));
Util::panic(
"[JIT]: Unhandled exception TLB exception {} when retrieving PC physical address! (virtual: 0x{:016lX})",
static_cast<int>(Cop0::GetTLBExceptionCode(regs.cop0.tlbError, Cop0::LOAD)), static_cast<u64>(regs.pc));
}
instruction = mem.Read<u32>(regs, paddr);
@@ -56,10 +60,12 @@ int JIT::Step() {
pc += 4;
// Exec(instruction);
Emit(instruction);
}
while (!InstrEndsBlock(instruction));
// emit code to store the value of pc
return 1;
}