core: Detect and return error if GBA virtual console is loaded. (#6257)

This commit is contained in:
Steveice10 2023-01-23 01:51:57 -08:00 committed by GitHub
parent d704c6a3ac
commit 84e54a52a6
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 33 additions and 6 deletions

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@ -1015,6 +1015,11 @@ bool GMainWindow::LoadROM(const QString& filename) {
"titles</a>."));
break;
case Core::System::ResultStatus::ErrorLoader_ErrorGbaTitle:
QMessageBox::critical(this, tr("Unsupported ROM"),
tr("GBA Virtual Console ROMs are not supported by Citra."));
break;
case Core::System::ResultStatus::ErrorVideoCore:
QMessageBox::critical(
this, tr("Video Core Error"),

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@ -268,6 +268,8 @@ System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::st
return ResultStatus::ErrorLoader_ErrorEncrypted;
case Loader::ResultStatus::ErrorInvalidFormat:
return ResultStatus::ErrorLoader_ErrorInvalidFormat;
case Loader::ResultStatus::ErrorGbaTitle:
return ResultStatus::ErrorLoader_ErrorGbaTitle;
default:
return ResultStatus::ErrorSystemMode;
}
@ -292,7 +294,6 @@ System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::st
telemetry_session->AddInitialInfo(*app_loader);
std::shared_ptr<Kernel::Process> process;
const Loader::ResultStatus load_result{app_loader->Load(process)};
kernel->SetCurrentProcess(process);
if (Loader::ResultStatus::Success != load_result) {
LOG_CRITICAL(Core, "Failed to load ROM (Error {})!", load_result);
System::Shutdown();
@ -302,10 +303,13 @@ System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::st
return ResultStatus::ErrorLoader_ErrorEncrypted;
case Loader::ResultStatus::ErrorInvalidFormat:
return ResultStatus::ErrorLoader_ErrorInvalidFormat;
case Loader::ResultStatus::ErrorGbaTitle:
return ResultStatus::ErrorLoader_ErrorGbaTitle;
default:
return ResultStatus::ErrorLoader;
}
}
kernel->SetCurrentProcess(process);
cheat_engine = std::make_unique<Cheats::CheatEngine>(*this);
title_id = 0;
if (app_loader->ReadProgramId(title_id) != Loader::ResultStatus::Success) {
@ -539,7 +543,8 @@ void System::Shutdown(bool is_deserializing) {
perf_results.emulation_speed * 100.0);
telemetry_session->AddField(performance, "Shutdown_Framerate", perf_results.game_fps);
telemetry_session->AddField(performance, "Shutdown_Frametime", perf_results.frametime * 1000.0);
telemetry_session->AddField(performance, "Mean_Frametime_MS", perf_stats->GetMeanFrametime());
telemetry_session->AddField(performance, "Mean_Frametime_MS",
perf_stats ? perf_stats->GetMeanFrametime() : 0);
// Shutdown emulation session
VideoCore::Shutdown();

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@ -84,6 +84,8 @@ public:
ErrorLoader_ErrorEncrypted, ///< Error loading the specified application due to encryption
ErrorLoader_ErrorInvalidFormat, ///< Error loading the specified application due to an
/// invalid format
ErrorLoader_ErrorGbaTitle, ///< Error loading the specified application as it is GBA Virtual
///< Console
ErrorSystemFiles, ///< Error in finding system files
ErrorVideoCore, ///< Error in the video core
ErrorVideoCore_ErrorGenericDrivers, ///< Error in the video core due to the user having

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@ -75,6 +75,7 @@ enum class ResultStatus {
ErrorAlreadyLoaded,
ErrorMemoryAllocationFailed,
ErrorEncrypted,
ErrorGbaTitle,
};
constexpr u32 MakeMagic(char a, char b, char c, char d) {

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@ -85,6 +85,11 @@ ResultStatus AppLoader_NCCH::LoadExec(std::shared_ptr<Kernel::Process>& process)
u64_le program_id;
if (ResultStatus::Success == ReadCode(code) &&
ResultStatus::Success == ReadProgramId(program_id)) {
if (IsGbaVirtualConsole(code)) {
LOG_ERROR(Loader, "Encountered unsupported GBA Virtual Console code section.");
return ResultStatus::ErrorGbaTitle;
}
std::string process_name = Common::StringFromFixedZeroTerminatedBuffer(
(const char*)overlay_ncch->exheader_header.codeset_info.name, 8);
@ -177,6 +182,12 @@ void AppLoader_NCCH::ParseRegionLockoutInfo() {
}
}
bool AppLoader_NCCH::IsGbaVirtualConsole(const std::vector<u8>& code) {
const u32* gbaVcHeader = reinterpret_cast<const u32*>(code.data() + code.size() - 0x10);
return code.size() >= 0x10 && gbaVcHeader[0] == MakeMagic('.', 'C', 'A', 'A') &&
gbaVcHeader[1] == 1;
}
ResultStatus AppLoader_NCCH::Load(std::shared_ptr<Kernel::Process>& process) {
u64_le ncch_program_id;

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@ -78,6 +78,9 @@ private:
/// Reads the region lockout info in the SMDH and send it to CFG service
void ParseRegionLockoutInfo();
/// Detects whether the NCCH contains GBA Virtual Console.
bool IsGbaVirtualConsole(const std::vector<u8>& code);
FileSys::NCCHContainer base_ncch;
FileSys::NCCHContainer update_ncch;
FileSys::NCCHContainer* overlay_ncch;