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CPU: Implement instruction cache simulation

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Implemented for all execution modes. Disabled by default in the cached
interpreter and recompiler, always enabled in the pure interpreter.
This commit is contained in:
Connor McLaughlin
2020-08-29 22:07:33 +10:00
parent efc00a2d0e
commit 19d6037b99
19 changed files with 449 additions and 75 deletions
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15
src/core/host_interface.cpp
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@ -362,6 +362,7 @@ void HostInterface::SetDefaultSettings(SettingsInterface& si)
si.SetStringValue("CPU", "ExecutionMode", Settings::GetCPUExecutionModeName(Settings::DEFAULT_CPU_EXECUTION_MODE));
si.SetBoolValue("CPU", "RecompilerMemoryExceptions", false);
si.SetBoolValue("CPU", "ICache", false);
si.SetStringValue("GPU", "Renderer", Settings::GetRendererName(Settings::DEFAULT_GPU_RENDERER));
si.SetIntValue("GPU", "ResolutionScale", 1);
@ -452,7 +453,8 @@ void HostInterface::FixIncompatibleSettings(bool display_osd_messages)
{
if (display_osd_messages)
{
AddOSDMessage(TranslateStdString("OSDMessage", "PGXP is incompatible with the software renderer, disabling PGXP."), 10.0f);
AddOSDMessage(
TranslateStdString("OSDMessage", "PGXP is incompatible with the software renderer, disabling PGXP."), 10.0f);
}
g_settings.gpu_pgxp_enable = false;
}
@ -510,6 +512,8 @@ void HostInterface::CheckForSettingsChanges(const Settings& old_settings)
AddFormattedOSDMessage(5.0f, "Switching to %s CPU execution mode.",
Settings::GetCPUExecutionModeName(g_settings.cpu_execution_mode));
CPU::CodeCache::SetUseRecompiler(g_settings.cpu_execution_mode == CPUExecutionMode::Recompiler);
CPU::CodeCache::Flush();
CPU::ClearICache();
}
if (g_settings.cpu_execution_mode == CPUExecutionMode::Recompiler &&
@ -520,6 +524,15 @@ void HostInterface::CheckForSettingsChanges(const Settings& old_settings)
CPU::CodeCache::Flush();
}
if (g_settings.cpu_execution_mode != CPUExecutionMode::Interpreter &&
g_settings.cpu_recompiler_icache != old_settings.cpu_recompiler_icache)
{
AddFormattedOSDMessage(5.0f, "CPU ICache %s, flushing all blocks.",
g_settings.cpu_recompiler_icache ? "enabled" : "disabled");
CPU::CodeCache::Flush();
CPU::ClearICache();
}
m_audio_stream->SetOutputVolume(g_settings.audio_output_muted ? 0 : g_settings.audio_output_volume);
if (g_settings.gpu_resolution_scale != old_settings.gpu_resolution_scale ||