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https://github.com/yuzu-mirror/yuzu.git
synced 2024-09-07 12:29:07 +01:00
Kernel/Loader: Grab the system mode from the NCCH ExHeader.
3dsx and elf files default to system mode 2 (96MB allocated to the application). This allows Home Menu to boot without modifications. Closes #1849
This commit is contained in:
parent
fb13bfe693
commit
1323ab2f5f
10 changed files with 67 additions and 22 deletions
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@ -129,16 +129,23 @@ int main(int argc, char** argv) {
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std::unique_ptr<EmuWindow_SDL2> emu_window = std::make_unique<EmuWindow_SDL2>();
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std::unique_ptr<EmuWindow_SDL2> emu_window = std::make_unique<EmuWindow_SDL2>();
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System::Init(emu_window.get());
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SCOPE_EXIT({ System::Shutdown(); });
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std::unique_ptr<Loader::AppLoader> loader = Loader::GetLoader(boot_filename);
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std::unique_ptr<Loader::AppLoader> loader = Loader::GetLoader(boot_filename);
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if (!loader) {
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if (!loader) {
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LOG_CRITICAL(Frontend, "Failed to obtain loader for %s!", boot_filename.c_str());
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LOG_CRITICAL(Frontend, "Failed to obtain loader for %s!", boot_filename.c_str());
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return -1;
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return -1;
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}
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}
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Loader::ResultStatus load_result = loader->Load();
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u32 system_mode;
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Loader::ResultStatus load_result = loader->LoadKernelSystemMode(system_mode);
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if (Loader::ResultStatus::Success != load_result) {
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LOG_CRITICAL(Frontend, "Failed to load ROM (Error %i)!", load_result);
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return -1;
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}
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System::Init(emu_window.get(), system_mode);
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SCOPE_EXIT({ System::Shutdown(); });
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load_result = loader->Load();
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if (Loader::ResultStatus::Success != load_result) {
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if (Loader::ResultStatus::Success != load_result) {
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LOG_CRITICAL(Frontend, "Failed to load ROM (Error %i)!", load_result);
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LOG_CRITICAL(Frontend, "Failed to load ROM (Error %i)!", load_result);
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return -1;
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return -1;
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@ -253,7 +253,7 @@ void GMainWindow::OnDisplayTitleBars(bool show) {
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}
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}
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}
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}
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bool GMainWindow::InitializeSystem() {
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bool GMainWindow::InitializeSystem(u32 system_mode) {
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// Shutdown previous session if the emu thread is still active...
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// Shutdown previous session if the emu thread is still active...
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if (emu_thread != nullptr)
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if (emu_thread != nullptr)
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ShutdownGame();
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ShutdownGame();
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@ -270,7 +270,7 @@ bool GMainWindow::InitializeSystem() {
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}
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}
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// Initialize the core emulation
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// Initialize the core emulation
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System::Result system_result = System::Init(render_window);
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System::Result system_result = System::Init(render_window, system_mode);
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if (System::Result::Success != system_result) {
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if (System::Result::Success != system_result) {
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switch (system_result) {
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switch (system_result) {
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case System::Result::ErrorInitVideoCore:
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case System::Result::ErrorInitVideoCore:
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@ -299,8 +299,21 @@ bool GMainWindow::LoadROM(const std::string& filename) {
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return false;
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return false;
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}
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}
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u32 system_mode;
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Loader::ResultStatus load_result = app_loader->LoadKernelSystemMode(system_mode);
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if (Loader::ResultStatus::Success != load_result) {
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LOG_CRITICAL(Frontend, "Failed to load ROM!", load_result);
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QMessageBox::critical(this, tr("Error while loading ROM!"),
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tr("Could not determine the system mode."));
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return false;
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}
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if (!InitializeSystem(system_mode))
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return false;
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Loader::ResultStatus result = app_loader->Load();
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Loader::ResultStatus result = app_loader->Load();
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if (Loader::ResultStatus::Success != result) {
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if (Loader::ResultStatus::Success != result) {
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System::Shutdown();
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LOG_CRITICAL(Frontend, "Failed to load ROM!");
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LOG_CRITICAL(Frontend, "Failed to load ROM!");
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switch (result) {
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switch (result) {
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@ -338,14 +351,9 @@ void GMainWindow::BootGame(const std::string& filename) {
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LOG_INFO(Frontend, "Citra starting...");
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LOG_INFO(Frontend, "Citra starting...");
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StoreRecentFile(filename); // Put the filename on top of the list
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StoreRecentFile(filename); // Put the filename on top of the list
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if (!InitializeSystem())
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if (!LoadROM(filename))
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return;
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return;
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if (!LoadROM(filename)) {
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System::Shutdown();
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return;
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}
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// Create and start the emulation thread
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// Create and start the emulation thread
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emu_thread = std::make_unique<EmuThread>(render_window);
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emu_thread = std::make_unique<EmuThread>(render_window);
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emit EmulationStarting(emu_thread.get());
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emit EmulationStarting(emu_thread.get());
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@ -60,7 +60,12 @@ signals:
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void EmulationStopping();
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void EmulationStopping();
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private:
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private:
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bool InitializeSystem();
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/**
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* Initializes the emulation system.
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* @param system_mode The system mode with which to intialize the kernel.
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* @returns Whether the system was properly initialized.
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*/
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bool InitializeSystem(u32 system_mode);
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bool LoadROM(const std::string& filename);
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bool LoadROM(const std::string& filename);
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void BootGame(const std::string& filename);
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void BootGame(const std::string& filename);
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void ShutdownGame();
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void ShutdownGame();
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@ -124,13 +124,11 @@ void HandleTable::Clear() {
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}
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}
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/// Initialize the kernel
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/// Initialize the kernel
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void Init() {
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void Init(u32 system_mode) {
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ConfigMem::Init();
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ConfigMem::Init();
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SharedPage::Init();
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SharedPage::Init();
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// TODO(yuriks): The memory type parameter needs to be determined by the ExHeader field instead
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Kernel::MemoryInit(system_mode);
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// For now it defaults to the one with a largest allocation to the app
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Kernel::MemoryInit(2); // Allocates 96MB to the application
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Kernel::ResourceLimitsInit();
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Kernel::ResourceLimitsInit();
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Kernel::ThreadingInit();
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Kernel::ThreadingInit();
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@ -286,8 +286,8 @@ private:
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extern HandleTable g_handle_table;
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extern HandleTable g_handle_table;
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/// Initialize the kernel
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/// Initialize the kernel with the specified system mode.
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void Init();
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void Init(u32 system_mode);
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/// Shutdown the kernel
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/// Shutdown the kernel
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void Shutdown();
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void Shutdown();
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@ -95,6 +95,17 @@ public:
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*/
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*/
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virtual ResultStatus Load() = 0;
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virtual ResultStatus Load() = 0;
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/**
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* Loads the system mode that this application needs.
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* This function defaults to 2 (96MB allocated to the application) if it can't read the information.
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* @param system_mode Out variable where the system mode will be stored.
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* @returns ResultStatus result of the operation
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*/
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virtual ResultStatus LoadKernelSystemMode(u32& system_mode) {
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system_mode = 2; // 96MB allocated to the application.
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return ResultStatus::Success;
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}
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/**
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/**
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* Get the code (typically .code section) of the application
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* Get the code (typically .code section) of the application
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* @param buffer Reference to buffer to store data
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* @param buffer Reference to buffer to store data
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@ -117,6 +117,14 @@ FileType AppLoader_NCCH::IdentifyType(FileUtil::IOFile& file) {
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return FileType::Error;
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return FileType::Error;
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}
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}
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ResultStatus AppLoader_NCCH::LoadKernelSystemMode(u32& memory_type) {
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ResultStatus result = LoadExeFS();
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if (result != ResultStatus::Success)
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return result;
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memory_type = exheader_header.arm11_system_local_caps.system_mode;
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return ResultStatus::Success;
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}
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ResultStatus AppLoader_NCCH::LoadExec() {
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ResultStatus AppLoader_NCCH::LoadExec() {
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using Kernel::SharedPtr;
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using Kernel::SharedPtr;
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using Kernel::CodeSet;
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using Kernel::CodeSet;
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@ -277,6 +285,7 @@ ResultStatus AppLoader_NCCH::LoadExeFS() {
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LOG_DEBUG(Loader, "Core version: %d", core_version);
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LOG_DEBUG(Loader, "Core version: %d", core_version);
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LOG_DEBUG(Loader, "Thread priority: 0x%X", priority);
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LOG_DEBUG(Loader, "Thread priority: 0x%X", priority);
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LOG_DEBUG(Loader, "Resource limit category: %d", resource_limit_category);
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LOG_DEBUG(Loader, "Resource limit category: %d", resource_limit_category);
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LOG_DEBUG(Loader, "System Mode: %d", exheader_header.arm11_system_local_caps.system_mode);
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if (exheader_header.arm11_system_local_caps.program_id != ncch_header.program_id) {
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if (exheader_header.arm11_system_local_caps.program_id != ncch_header.program_id) {
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LOG_ERROR(Loader, "ExHeader Program ID mismatch: the ROM is probably encrypted.");
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LOG_ERROR(Loader, "ExHeader Program ID mismatch: the ROM is probably encrypted.");
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@ -185,6 +185,13 @@ public:
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*/
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*/
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ResultStatus Load() override;
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ResultStatus Load() override;
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/**
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* Loads the Exheader and returns the system mode for this application.
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* @param system_mode Out variable where the system mode will be stored.
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* @return ResultStatus result of the operation
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*/
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ResultStatus LoadKernelSystemMode(u32& system_mode);
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/**
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/**
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* Get the code (typically .code section) of the application
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* Get the code (typically .code section) of the application
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* @param buffer Reference to buffer to store data
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* @param buffer Reference to buffer to store data
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@ -17,12 +17,12 @@ namespace System {
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static bool is_powered_on{false};
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static bool is_powered_on{false};
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Result Init(EmuWindow* emu_window) {
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Result Init(EmuWindow* emu_window, u32 system_mode) {
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Core::Init();
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Core::Init();
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CoreTiming::Init();
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CoreTiming::Init();
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Memory::Init();
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Memory::Init();
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HW::Init();
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HW::Init();
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Kernel::Init();
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Kernel::Init(system_mode);
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HLE::Init();
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HLE::Init();
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if (!VideoCore::Init(emu_window)) {
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if (!VideoCore::Init(emu_window)) {
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return Result::ErrorInitVideoCore;
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return Result::ErrorInitVideoCore;
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@ -15,7 +15,7 @@ enum class Result {
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ErrorInitVideoCore, ///< Something went wrong during video core init
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ErrorInitVideoCore, ///< Something went wrong during video core init
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};
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};
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Result Init(EmuWindow* emu_window);
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Result Init(EmuWindow* emu_window, u32 system_mode);
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bool IsPoweredOn();
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bool IsPoweredOn();
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void Shutdown();
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void Shutdown();
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}
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}
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