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SimoneN64
2023-12-25 03:43:17 +01:00
parent 2a3e4d56f6
commit 1f84b96909
6 changed files with 328 additions and 80 deletions
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64
src/backend/core/JIT.cpp
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@@ -33,51 +33,56 @@ void JIT::CheckCompareInterrupt() {
Fn JIT::Recompile() {
bool stable = true;
cycles = 0;
prologue();
mov(rbp, u64(this));
mov(rdi, u64(this) + THIS_OFFSET(regs));
//prologue();
//mov(rbp, u64(this));
//mov(rdi, u64(this) + THIS_OFFSET(regs));
u64 pc = regs.pc;
while(stable) {
cycles++;
CheckCompareInterrupt();
mov(rax, REG(byte, delaySlot));
mov(REG(byte, prevDelaySlot), rax);
mov(REG(byte, delaySlot), 0);
// mov(rax, REG(byte, delaySlot));
// mov(REG(byte, prevDelaySlot), rax);
// mov(REG(byte, delaySlot), 0);
u32 paddr = 0;
if (!MapVAddr(regs, LOAD, regs.pc, paddr)) {
mov(rsi, regs.pc);
emitCall(HandleTLBException);
mov(rsi, u64(GetTLBExceptionCode(regs.cop0.tlbError, LOAD)));
CodeGenerator::xor_(rdx, rdx);
CodeGenerator::xor_(rcx, rcx);
emitCall(FireException);
goto _epilogue;
if (!MapVAddr(regs, LOAD, pc, paddr)) {
//mov(rsi, regs.pc);
//emitCall(HandleTLBException);
//mov(rsi, u64(GetTLBExceptionCode(regs.cop0.tlbError, LOAD)));
//CodeGenerator::xor_(rdx, rdx);
//CodeGenerator::xor_(rcx, rcx);
//emitCall(FireException);
//goto _epilogue;
}
pc += 4;
u32 instr = mem.Read<u32>(regs, paddr);
stable = isStable(instr);
Emit(instr);
if (ShouldServiceInterrupt()) {
mov(rsi, u64(ExceptionCode::Interrupt));
CodeGenerator::xor_(rdx, rdx);
CodeGenerator::xor_(rcx, rcx);
push(rax);
call(FireException);
goto _epilogue;
//mov(rsi, u64(ExceptionCode::Interrupt));
//CodeGenerator::xor_(rdx, rdx);
//CodeGenerator::xor_(rcx, rcx);
//push(rax);
//call(FireException);
//goto _epilogue;
}
mov(rax, REG(qword, pc));
mov(REG(qword, oldPC), rax);
mov(rax, REG(qword, nextPC));
mov(REG(qword, pc), rax);
CodeGenerator::add(REG(qword, nextPC), 4);
//mov(rax, REG(qword, pc));
//mov(REG(qword, oldPC), rax);
//mov(rax, REG(qword, nextPC));
//mov(REG(qword, pc), rax);
//CodeGenerator::add(REG(qword, nextPC), 4);
}
_epilogue:
epilogue();
ready();
return getCode<Fn>();
//epilogue();
//ready();
//return getCode<Fn>();
ir.optimize();
exit(1);
return nullptr;
}
int JIT::Step() {
@@ -90,6 +95,7 @@ int JIT::Step() {
blocks[BLOCKCACHE_OUTER_INDEX(regs.pc)][BLOCKCACHE_INNER_INDEX(regs.pc)] = Recompile();
}
return blocks[BLOCKCACHE_OUTER_INDEX(regs.pc)][BLOCKCACHE_INNER_INDEX(regs.pc)]();
//return blocks[BLOCKCACHE_OUTER_INDEX(regs.pc)][BLOCKCACHE_INNER_INDEX(regs.pc)]();
return 1;
}
}