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Merge pull request #9218 from JosJuice/aarch64-hle-hooks

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JitArm64: Implement HLE function hooking
This commit is contained in:
Markus Wick 2020-11-04 10:29:37 +01:00 committed by GitHub
commit 069840fb7e
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 24 additions and 8 deletions
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28
Source/Core/Core/PowerPC/JitArm64/Jit.cpp
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@ -209,20 +209,16 @@ void JitArm64::FallBackToInterpreter(UGeckoInstruction inst)
} }
} }
void JitArm64::HLEFunction(UGeckoInstruction inst) void JitArm64::HLEFunction(u32 hook_index)
{ {
FlushCarry();
gpr.Flush(FlushMode::FLUSH_ALL); gpr.Flush(FlushMode::FLUSH_ALL);
fpr.Flush(FlushMode::FLUSH_ALL); fpr.Flush(FlushMode::FLUSH_ALL);
MOVI2R(W0, js.compilerPC); MOVI2R(W0, js.compilerPC);
MOVI2R(W1, inst.hex); MOVI2R(W1, hook_index);
MOVP2R(X30, &HLE::Execute); MOVP2R(X30, &HLE::Execute);
BLR(X30); BLR(X30);
ARM64Reg WA = gpr.GetReg();
LDR(INDEX_UNSIGNED, WA, PPC_REG, PPCSTATE_OFF(npc));
WriteExit(WA);
gpr.Unlock(WA);
} }
void JitArm64::DoNothing(UGeckoInstruction inst) void JitArm64::DoNothing(UGeckoInstruction inst)
@ -490,6 +486,21 @@ void JitArm64::WriteExceptionExit(ARM64Reg dest, bool only_external)
B(dispatcher); B(dispatcher);
} }
bool JitArm64::HandleFunctionHooking(u32 address)
{
return HLE::ReplaceFunctionIfPossible(address, [&](u32 hook_index, HLE::HookType type) {
HLEFunction(hook_index);
if (type != HLE::HookType::Replace)
return false;
LDR(INDEX_UNSIGNED, DISPATCHER_PC, PPC_REG, PPCSTATE_OFF(npc));
js.downcountAmount += js.st.numCycles;
WriteExit(DISPATCHER_PC);
return true;
});
}
void JitArm64::DumpCode(const u8* start, const u8* end) void JitArm64::DumpCode(const u8* start, const u8* end)
{ {
std::string output; std::string output;
@ -748,6 +759,9 @@ void JitArm64::DoJit(u32 em_address, JitBlock* b, u32 nextPC)
SetJumpTarget(exit); SetJumpTarget(exit);
} }
if (HandleFunctionHooking(op.address))
break;
if (!op.skip) if (!op.skip)
{ {
if ((opinfo->flags & FL_USE_FPU) && !js.firstFPInstructionFound) if ((opinfo->flags & FL_USE_FPU) && !js.firstFPInstructionFound)

4
Source/Core/Core/PowerPC/JitArm64/Jit.h
View file

@ -46,7 +46,7 @@ public:
// OPCODES // OPCODES
void FallBackToInterpreter(UGeckoInstruction inst); void FallBackToInterpreter(UGeckoInstruction inst);
void DoNothing(UGeckoInstruction inst); void DoNothing(UGeckoInstruction inst);
void HLEFunction(UGeckoInstruction inst); void HLEFunction(u32 hook_index);
void DynaRunTable4(UGeckoInstruction inst); void DynaRunTable4(UGeckoInstruction inst);
void DynaRunTable19(UGeckoInstruction inst); void DynaRunTable19(UGeckoInstruction inst);
@ -175,6 +175,8 @@ private:
static void InitializeInstructionTables(); static void InitializeInstructionTables();
void CompileInstruction(PPCAnalyst::CodeOp& op); void CompileInstruction(PPCAnalyst::CodeOp& op);
bool HandleFunctionHooking(u32 address);
// Simple functions to switch between near and far code emitting // Simple functions to switch between near and far code emitting
void SwitchToFarCode() void SwitchToFarCode()
{ {