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Add a mechanism for HLE to trigger a debug break.

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Unknown W. Brackets 2012-12-24 21:47:54 -08:00
parent b8ae91237e
commit dc21d5c462
2 changed files with 32 additions and 2 deletions
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32
Core/HLE/HLE.cpp
View file

@ -28,6 +28,7 @@
#include "sceKernelThread.h"
#include "sceKernelInterrupt.h"
#include "../MIPS/MIPSCodeUtils.h"
#include "../Host.h"
enum
{
@ -43,6 +44,8 @@ enum
HLE_AFTER_RESCHED_CALLBACKS = 0x08,
// Run interrupts (and probably reschedule) after the syscall.
HLE_AFTER_RUN_INTERRUPTS = 0x10,
// Switch to CORE_STEPPING after the syscall (for debugging.)
HLE_AFTER_DEBUG_BREAK = 0x20,
};
static std::vector<HLEModule> moduleDB;
@ -241,8 +244,33 @@ void hleRunInterrupts()
hleAfterSyscall |= HLE_AFTER_RUN_INTERRUPTS;
}
inline void hleFinishSyscall()
void hleDebugBreak()
{
hleAfterSyscall |= HLE_AFTER_DEBUG_BREAK;
}
// Pauses execution after an HLE call.
void hleExecuteDebugBreak(const HLEFunction &func)
{
const u32 NID_SUSPEND_INTR = 0x092968F4, NID_RESUME_INTR = 0x5F10D406;
// Never break on these, they're noise.
u32 blacklistedNIDs[] = {NID_SUSPEND_INTR, NID_RESUME_INTR, NID_IDLE};
for (int i = 0; i < ARRAY_SIZE(blacklistedNIDs); ++i)
{
if (func.ID == blacklistedNIDs[i])
return;
}
Core_EnableStepping(true);
host->SetDebugMode(true);
}
inline void hleFinishSyscall(int modulenum, int funcnum)
{
if ((hleAfterSyscall & HLE_AFTER_DEBUG_BREAK) != 0)
hleExecuteDebugBreak(moduleDB[modulenum].funcTable[funcnum]);
if ((hleAfterSyscall & HLE_AFTER_CURRENT_CALLBACKS) != 0)
__KernelForceCallbacks();
@ -278,7 +306,7 @@ void CallSyscall(u32 op)
func();
if (hleAfterSyscall != HLE_AFTER_NOTHING)
hleFinishSyscall();
hleFinishSyscall(modulenum, funcnum);
}
else
{

2
Core/HLE/HLE.h
View file

@ -83,6 +83,8 @@ void hleReSchedule(const char *reason);
void hleReSchedule(bool callbacks, const char *reason);
// Run interrupts after the syscall finishes.
void hleRunInterrupts();
// Pause emulation after the syscall finishes.
void hleDebugBreak();
void HLEInit();
void HLEShutdown();