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CPU: Provide debugger/breakpoint/step functionality

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This commit is contained in:
Connor McLaughlin
2020-12-17 01:18:02 +10:00
parent a8af0f7ecb
commit 3b23542ec9
9 changed files with 579 additions and 68 deletions
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55
src/core/system.cpp
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@ -111,9 +111,15 @@ State GetState()
void SetState(State new_state)
{
if (s_state == new_state)
return;
Assert(s_state == State::Paused || s_state == State::Running);
Assert(new_state == State::Paused || new_state == State::Running);
s_state = new_state;
if (new_state == State::Paused)
CPU::ForceDispatcherExit();
}
bool IsRunning()
@ -1163,30 +1169,55 @@ bool SaveState(ByteStream* state, u32 screenshot_size /* = 128 */)
return true;
}
void SingleStepCPU()
{
const u32 old_frame_number = s_frame_number;
s_frame_timer.Reset();
g_gpu->RestoreGraphicsAPIState();
CPU::SingleStep();
g_spu.GeneratePendingSamples();
if (s_frame_number != old_frame_number && s_cheat_list)
s_cheat_list->Apply();
g_gpu->ResetGraphicsAPIState();
}
void RunFrame()
{
s_frame_timer.Reset();
g_gpu->RestoreGraphicsAPIState();
switch (g_settings.cpu_execution_mode)
if (CPU::g_state.use_debug_dispatcher)
{
case CPUExecutionMode::Recompiler:
CPU::ExecuteDebug();
}
else
{
switch (g_settings.cpu_execution_mode)
{
case CPUExecutionMode::Recompiler:
#ifdef WITH_RECOMPILER
CPU::CodeCache::ExecuteRecompiler();
CPU::CodeCache::ExecuteRecompiler();
#else
CPU::CodeCache::Execute();
CPU::CodeCache::Execute();
#endif
break;
break;
case CPUExecutionMode::CachedInterpreter:
CPU::CodeCache::Execute();
break;
case CPUExecutionMode::CachedInterpreter:
CPU::CodeCache::Execute();
break;
case CPUExecutionMode::Interpreter:
default:
CPU::Execute();
break;
case CPUExecutionMode::Interpreter:
default:
CPU::Execute();
break;
}
}
// Generate any pending samples from the SPU before sleeping, this way we reduce the chances of underruns.