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Add support for disabling branch JIT. Potentially useful for

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debugging and experimenting with the JIT.



git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1654 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
magumagu9 2008-12-25 10:51:42 +00:00
parent 799bb5fc53
commit 76108a98d5
4 changed files with 31 additions and 6 deletions
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1
Source/Core/Core/Src/CoreParameter.h
View File

@ -46,6 +46,7 @@ struct SCoreStartupParameter
bool bJITIntegerOff;
bool bJITPairedOff;
bool bJITSystemRegistersOff;
bool bJITBranchOff;
bool bUseDualCore;
bool bSkipIdle;

7
Source/Core/Core/Src/PowerPC/Jit64/Jit.cpp
View File

@ -221,6 +221,11 @@ namespace CPUCompare
}
Interpreter::_interpreterInstruction instr = GetInterpreterOp(inst);
ABI_CallFunctionC((void*)instr, inst.hex);
if (js.isLastInstruction)
{
MOV(32, R(EAX), M(&NPC));
WriteRfiExitDestInEAX();
}
}
void Jit64::unknown_instruction(UGeckoInstruction inst)
@ -377,6 +382,8 @@ namespace CPUCompare
const u8* Jit64::DoJit(u32 em_address, PPCAnalyst::CodeBuffer *code_buffer, JitBlock *b)
{
Core::g_CoreStartupParameter.bJITOff = true;
if (em_address == 0)
PanicAlert("ERROR : Trying to compile at 0. LR=%08x", LR);

25
Source/Core/Core/Src/PowerPC/Jit64/Jit_Branch.cpp
View File

@ -17,6 +17,7 @@
#include "Common.h"
#include "Thunk.h"
#include "../../Core.h"
#include "../PowerPC.h"
#include "../../CoreTiming.h"
#include "../PPCTables.h"
@ -40,15 +41,21 @@
using namespace Gen;
void Jit64::sc(UGeckoInstruction _inst)
void Jit64::sc(UGeckoInstruction inst)
{
if(Core::g_CoreStartupParameter.bJITOff || Core::g_CoreStartupParameter.bJITBranchOff)
{Default(inst); return;} // turn off from debugger
gpr.Flush(FLUSH_ALL);
fpr.Flush(FLUSH_ALL);
WriteExceptionExit(EXCEPTION_SYSCALL);
}
void Jit64::rfi(UGeckoInstruction _inst)
void Jit64::rfi(UGeckoInstruction inst)
{
if(Core::g_CoreStartupParameter.bJITOff || Core::g_CoreStartupParameter.bJITBranchOff)
{Default(inst); return;} // turn off from debugger
gpr.Flush(FLUSH_ALL);
fpr.Flush(FLUSH_ALL);
//Bits SRR1[0, 5-9, 16-23, 25-27, 30-31] are placed into the corresponding bits of the MSR.
@ -70,6 +77,9 @@ using namespace Gen;
void Jit64::bx(UGeckoInstruction inst)
{
if(Core::g_CoreStartupParameter.bJITOff || Core::g_CoreStartupParameter.bJITBranchOff)
{Default(inst); return;} // turn off from debugger
if (inst.LK)
MOV(32, M(&LR), Imm32(js.compilerPC + 4));
gpr.Flush(FLUSH_ALL);
@ -107,6 +117,9 @@ using namespace Gen;
// variants of this instruction.
void Jit64::bcx(UGeckoInstruction inst)
{
if(Core::g_CoreStartupParameter.bJITOff || Core::g_CoreStartupParameter.bJITBranchOff)
{Default(inst); return;} // turn off from debugger
// USES_CR
_assert_msg_(DYNA_REC, js.isLastInstruction, "bcx not last instruction of block");
@ -198,6 +211,9 @@ using namespace Gen;
void Jit64::bcctrx(UGeckoInstruction inst)
{
if(Core::g_CoreStartupParameter.bJITOff || Core::g_CoreStartupParameter.bJITBranchOff)
{Default(inst); return;} // turn off from debugger
gpr.Flush(FLUSH_ALL);
fpr.Flush(FLUSH_ALL);
@ -237,6 +253,9 @@ using namespace Gen;
void Jit64::bclrx(UGeckoInstruction inst)
{
if(Core::g_CoreStartupParameter.bJITOff || Core::g_CoreStartupParameter.bJITBranchOff)
{Default(inst); return;} // turn off from debugger
gpr.Flush(FLUSH_ALL);
fpr.Flush(FLUSH_ALL);
//Special case BLR
@ -255,6 +274,4 @@ using namespace Gen;
}
// Call interpreter
Default(inst);
MOV(32, R(EAX), M(&NPC));
WriteExitDestInEAX(0);
}

4
Source/Core/Core/Src/PowerPC/Jit64/Jit_SystemRegisters.cpp
View File

@ -118,8 +118,8 @@
// --------------
void Jit64::mtmsr(UGeckoInstruction inst)
{
//if(Core::g_CoreStartupParameter.bJITOff || Core::g_CoreStartupParameter.bJITSystemRegistersOff)
// {Default(inst); return;} // turn off from debugger
if(Core::g_CoreStartupParameter.bJITOff || Core::g_CoreStartupParameter.bJITSystemRegistersOff)
{Default(inst); return;} // turn off from debugger
INSTRUCTION_START;
gpr.LoadToX64(inst.RS, true, false);
MOV(32, M(&MSR), gpr.R(inst.RS));