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System: Add -exe parameter for overriding boot executable

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Lets you re-use a disc image, but boot a different file.
This commit is contained in:
Connor McLaughlin
2023-01-11 19:40:56 +10:00
parent daf1080397
commit 50a616421f
4 changed files with 48 additions and 12 deletions
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45
src/core/system.cpp
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@ -125,6 +125,8 @@ static std::unique_ptr<MemoryCard> GetMemoryCardForSlot(u32 slot, MemoryCardType
static void SetTimerResolutionIncreased(bool enabled);
} // namespace System
static constexpr const float PERFORMANCE_COUNTER_UPDATE_INTERVAL = 1.0f;
static std::unique_ptr<INISettingsInterface> s_game_settings_interface;
static std::unique_ptr<INISettingsInterface> s_input_settings_interface;
static std::string s_input_profile_name;
@ -1103,20 +1105,24 @@ bool System::BootSystem(SystemBootParameters parameters)
// Load CD image up and detect region.
Common::Error error;
std::unique_ptr<CDImage> media;
bool exe_boot = false;
bool psf_boot = false;
std::string exe_boot;
std::string psf_boot;
if (!parameters.filename.empty())
{
exe_boot = IsExeFileName(parameters.filename.c_str());
psf_boot = (!exe_boot && IsPsfFileName(parameters.filename.c_str()));
if (exe_boot || psf_boot)
const bool do_exe_boot = IsExeFileName(parameters.filename);
const bool do_psf_boot = (!do_exe_boot && IsPsfFileName(parameters.filename));
if (do_exe_boot || do_psf_boot)
{
if (s_region == ConsoleRegion::Auto)
{
const DiscRegion file_region =
(exe_boot ? GetRegionForExe(parameters.filename.c_str()) : GetRegionForPsf(parameters.filename.c_str()));
(do_exe_boot ? GetRegionForExe(parameters.filename.c_str()) : GetRegionForPsf(parameters.filename.c_str()));
Log_InfoPrintf("EXE/PSF Region: %s", Settings::GetDiscRegionDisplayName(file_region));
s_region = GetConsoleRegionForDiscRegion(file_region);
if (do_psf_boot)
psf_boot = std::move(parameters.filename);
else
exe_boot = std::move(parameters.filename);
}
}
else
@ -1174,6 +1180,21 @@ bool System::BootSystem(SystemBootParameters parameters)
// Update running game, this will apply settings as well.
UpdateRunningGame(media ? media->GetFileName().c_str() : parameters.filename.c_str(), media.get(), true);
if (!parameters.override_exe.empty())
{
if (!FileSystem::FileExists(parameters.override_exe.c_str()) || !IsExeFileName(parameters.override_exe))
{
Host::ReportFormattedErrorAsync("Error", "File '%s' is not a valid executable to boot.",
parameters.override_exe.c_str());
s_state = State::Shutdown;
Host::OnSystemDestroyed();
return false;
}
Log_InfoPrintf("Overriding boot executable: '%s'", parameters.override_exe.c_str());
exe_boot = std::move(parameters.override_exe);
}
// Check for SBI.
if (!CheckForSBIFile(media.get()))
{
@ -1217,7 +1238,7 @@ bool System::BootSystem(SystemBootParameters parameters)
}
// Allow controller analog mode for EXEs and PSFs.
s_running_bios = s_running_game_path.empty() && !exe_boot && !psf_boot;
s_running_bios = s_running_game_path.empty() && exe_boot.empty() && psf_boot.empty();
Bus::SetBIOS(bios_image.value());
UpdateControllers();
@ -1236,15 +1257,15 @@ bool System::BootSystem(SystemBootParameters parameters)
}
// Load EXE late after BIOS.
if (exe_boot && !LoadEXE(parameters.filename.c_str()))
if (!exe_boot.empty() && !LoadEXE(exe_boot.c_str()))
{
Host::ReportFormattedErrorAsync("Error", "Failed to load EXE file '%s'", parameters.filename.c_str());
Host::ReportFormattedErrorAsync("Error", "Failed to load EXE file '%s'", exe_boot.c_str());
DestroySystem();
return false;
}
else if (psf_boot && !PSFLoader::Load(parameters.filename.c_str()))
else if (!psf_boot.empty() && !PSFLoader::Load(psf_boot.c_str()))
{
Host::ReportFormattedErrorAsync("Error", "Failed to load PSF file '%s'", parameters.filename.c_str());
Host::ReportFormattedErrorAsync("Error", "Failed to load PSF file '%s'", psf_boot.c_str());
DestroySystem();
return false;
}
@ -2215,7 +2236,7 @@ void System::UpdatePerformanceCounters()
const Common::Timer::Value now_ticks = Common::Timer::GetCurrentValue();
const Common::Timer::Value ticks_diff = now_ticks - s_fps_timer.GetStartValue();
const float time = static_cast<float>(Common::Timer::ConvertValueToSeconds(ticks_diff));
if (time < 1.0f)
if (time < PERFORMANCE_COUNTER_UPDATE_INTERVAL)
return;
const float frames_run = static_cast<float>(s_frame_number - s_last_frame_number);