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Fix timing issue wiith JIT on non-Windows platforms

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This commit is contained in:
Henrik Rydgård 2012-12-25 09:01:17 +01:00
parent d56bc40db4
commit d8da92befa
5 changed files with 17 additions and 8 deletions
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3
Core/Core.h
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@ -33,9 +33,10 @@ void Core_Halt(const char *msg);
bool Core_IsStepping();
// RUNNING must be at 0.
enum CoreState
{
CORE_RUNNING,
CORE_RUNNING = 0,
CORE_STEPPING,
CORE_POWERDOWN,
CORE_ERROR,

8
Core/MIPS/x86/Asm.cpp
View file

@ -79,6 +79,11 @@ void AsmRoutineManager::Generate(MIPSState *mips, MIPSComp::Jit *jit)
ABI_CallFunction(reinterpret_cast<void *>(&CoreTiming::Advance));
FixupBranch skipToRealDispatch = J(); //skip the sync and compare first time
dispatcherCheckCoreState = GetCodePtr();
CMP(32, M((void*)&coreState), Imm32(0));
FixupBranch badCoreState = J_CC(CC_NZ, true);
dispatcher = GetCodePtr();
// The result of slice decrementation should be in flags if somebody jumped here
// IMPORTANT - We jump on negative, not carry!!!
@ -145,9 +150,10 @@ void AsmRoutineManager::Generate(MIPSState *mips, MIPSComp::Jit *jit)
SetJumpTarget(bail);
CMP(32, M((void*)&coreState), Imm8(0));
CMP(32, M((void*)&coreState), Imm32(0));
J_CC(CC_Z, outerLoop, true);
SetJumpTarget(badCoreState);
//Landing pad for drec space
ABI_PopAllCalleeSavedRegsAndAdjustStack();
RET();

1
Core/MIPS/x86/Asm.h
View file

@ -65,6 +65,7 @@ public:
const u8 *outerLoop;
const u8 *dispatcher;
const u8 *dispatcherCheckCoreState;
const u8 *dispatcherNoCheck;
const u8 *fpException;

3
Core/MIPS/x86/Jit.cpp
View file

@ -76,6 +76,7 @@ void Jit::RunLoopUntil(u64 globalticks)
{
// TODO: copy globalticks somewhere
((void (*)())asm_.enterCode)();
// NOTICE_LOG(HLE, "Exited jitted code at %i, corestate=%i, dc=%i", CoreTiming::GetTicks() / 1000, (int)coreState, CoreTiming::downcount);
}
const u8 *Jit::DoJit(u32 em_address, JitBlock *b)
@ -168,7 +169,7 @@ void Jit::WriteExitDestInEAX()
void Jit::WriteSyscallExit()
{
SUB(32, M(&CoreTiming::downcount), js.downcountAmount > 127 ? Imm32(js.downcountAmount) : Imm8(js.downcountAmount));
JMP(asm_.dispatcher, true);
JMP(asm_.dispatcherCheckCoreState, true);
}
} // namespace