// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <cstddef>
#include <functional>
#include <memory>
#include <string>
#include <vector>
#include "common/common_types.h"
#include "core/file_sys/vfs_types.h"
namespace Core::Frontend {
class EmuWindow;
} // namespace Core::Frontend
namespace FileSys {
class ContentProvider;
class ContentProviderUnion;
enum class ContentProviderUnionSlot;
class VfsFilesystem;
} // namespace FileSys
namespace Kernel {
class GlobalSchedulerContext;
class KernelCore;
class PhysicalCore;
class Process;
class KScheduler;
} // namespace Kernel
namespace Loader {
class AppLoader;
enum class ResultStatus : u16;
} // namespace Loader
namespace Core::Memory {
struct CheatEntry;
class Memory;
} // namespace Core::Memory
namespace Service {
namespace AM::Applets {
struct AppletFrontendSet;
class AppletManager;
} // namespace AM::Applets
namespace APM {
class Controller;
}
namespace FileSystem {
class FileSystemController;
} // namespace FileSystem
namespace Glue {
class ARPManager;
}
namespace SM {
class ServiceManager;
} // namespace SM
namespace Time {
class TimeManager;
} // namespace Time
} // namespace Service
namespace Tegra {
class DebugContext;
class GPU;
} // namespace Tegra
namespace VideoCore {
class RendererBase;
} // namespace VideoCore
namespace Core::Timing {
class CoreTiming;
}
namespace Core::Hardware {
class InterruptManager;
}
namespace Core {
class ARM_Interface;
class CpuManager;
class DeviceMemory;
class ExclusiveMonitor;
class FrameLimiter;
class PerfStats;
class Reporter;
class TelemetrySession;
struct PerfStatsResults;
FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
const std::string& path);
class System {
public:
using CurrentBuildProcessID = std::array<u8, 0x20>;
System(const System&) = delete;
System& operator=(const System&) = delete;
System(System&&) = delete;
System& operator=(System&&) = delete;
~System();
/**
* Gets the instance of the System singleton class.
* @returns Reference to the instance of the System singleton class.
*/
[[deprecated("Use of the global system instance is deprecated")]] static System& GetInstance() {
return s_instance;
}
/// Enumeration representing the return values of the System Initialize and Load process.
enum class ResultStatus : u32 {
Success, ///< Succeeded
ErrorNotInitialized, ///< Error trying to use core prior to initialization
ErrorGetLoader, ///< Error finding the correct application loader
ErrorSystemFiles, ///< Error in finding system files
ErrorSharedFont, ///< Error in finding shared font
ErrorVideoCore, ///< Error in the video core
ErrorUnknown, ///< Any other error
ErrorLoader, ///< The base for loader errors (too many to repeat)
};
/**
* Run the OS and Application
* This function will start emulation and run the relevant devices
*/
[[nodiscard]] ResultStatus Run();
/**
* Pause the OS and Application
* This function will pause emulation and stop the relevant devices
*/
[[nodiscard]] ResultStatus Pause();
/**
* Step the CPU one instruction
* @return Result status, indicating whether or not the operation succeeded.
*/
[[nodiscard]] ResultStatus SingleStep();
/**
* Invalidate the CPU instruction caches
* This function should only be used by GDB Stub to support breakpoints, memory updates and
* step/continue commands.
*/
void InvalidateCpuInstructionCaches();
void InvalidateCpuInstructionCacheRange(VAddr addr, std::size_t size);
/// Shutdown the emulated system.
void Shutdown();
/**
* Load an executable application.
* @param emu_window Reference to the host-system window used for video output and keyboard
* input.
* @param filepath String path to the executable application to load on the host file system.
* @param program_index Specifies the index within the container of the program to launch.
* @returns ResultStatus code, indicating if the operation succeeded.
*/
[[nodiscard]] ResultStatus Load(Frontend::EmuWindow& emu_window, const std::string& filepath,
std::size_t program_index = 0);
/**
* Indicates if the emulated system is powered on (all subsystems initialized and able to run an
* application).
* @returns True if the emulated system is powered on, otherwise false.
*/
[[nodiscard]] bool IsPoweredOn() const;
/// Gets a reference to the telemetry session for this emulation session.
[[nodiscard]] Core::TelemetrySession& TelemetrySession();
/// Gets a reference to the telemetry session for this emulation session.
[[nodiscard]] const Core::TelemetrySession& TelemetrySession() const;
/// Prepare the core emulation for a reschedule
void PrepareReschedule();
/// Prepare the core emulation for a reschedule
void PrepareReschedule(u32 core_index);
/// Gets and resets core performance statistics
[[nodiscard]] PerfStatsResults GetAndResetPerfStats();
/// Gets an ARM interface to the CPU core that is currently running
[[nodiscard]] ARM_Interface& CurrentArmInterface();
/// Gets an ARM interface to the CPU core that is currently running
[[nodiscard]] const ARM_Interface& CurrentArmInterface() const;
/// Gets the index of the currently running CPU core
[[nodiscard]] std::size_t CurrentCoreIndex() const;
/// Gets the physical core for the CPU core that is currently running
[[nodiscard]] Kernel::PhysicalCore& CurrentPhysicalCore();
/// Gets the physical core for the CPU core that is currently running
[[nodiscard]] const Kernel::PhysicalCore& CurrentPhysicalCore() const;
/// Gets a reference to an ARM interface for the CPU core with the specified index
[[nodiscard]] ARM_Interface& ArmInterface(std::size_t core_index);
/// Gets a const reference to an ARM interface from the CPU core with the specified index
[[nodiscard]] const ARM_Interface& ArmInterface(std::size_t core_index) const;
/// Gets a reference to the underlying CPU manager.
[[nodiscard]] CpuManager& GetCpuManager();
/// Gets a const reference to the underlying CPU manager
[[nodiscard]] const CpuManager& GetCpuManager() const;
/// Gets a reference to the exclusive monitor
[[nodiscard]] ExclusiveMonitor& Monitor();
/// Gets a constant reference to the exclusive monitor
[[nodiscard]] const ExclusiveMonitor& Monitor() const;
/// Gets a mutable reference to the system memory instance.
[[nodiscard]] Core::Memory::Memory& Memory();
/// Gets a constant reference to the system memory instance.
[[nodiscard]] const Core::Memory::Memory& Memory() const;
/// Gets a mutable reference to the GPU interface
[[nodiscard]] Tegra::GPU& GPU();
/// Gets an immutable reference to the GPU interface.
[[nodiscard]] const Tegra::GPU& GPU() const;
/// Gets a mutable reference to the renderer.
[[nodiscard]] VideoCore::RendererBase& Renderer();
/// Gets an immutable reference to the renderer.
[[nodiscard]] const VideoCore::RendererBase& Renderer() const;
/// Gets the global scheduler
[[nodiscard]] Kernel::GlobalSchedulerContext& GlobalSchedulerContext();
/// Gets the global scheduler
[[nodiscard]] const Kernel::GlobalSchedulerContext& GlobalSchedulerContext() const;
/// Gets the manager for the guest device memory
[[nodiscard]] Core::DeviceMemory& DeviceMemory();
/// Gets the manager for the guest device memory
[[nodiscard]] const Core::DeviceMemory& DeviceMemory() const;
/// Provides a pointer to the current process
[[nodiscard]] Kernel::Process* CurrentProcess();
/// Provides a constant pointer to the current process.
[[nodiscard]] const Kernel::Process* CurrentProcess() const;
/// Provides a reference to the core timing instance.
[[nodiscard]] Timing::CoreTiming& CoreTiming();
/// Provides a constant reference to the core timing instance.
[[nodiscard]] const Timing::CoreTiming& CoreTiming() const;
/// Provides a reference to the interrupt manager instance.
[[nodiscard]] Core::Hardware::InterruptManager& InterruptManager();
/// Provides a constant reference to the interrupt manager instance.
[[nodiscard]] const Core::Hardware::InterruptManager& InterruptManager() const;
/// Provides a reference to the kernel instance.
[[nodiscard]] Kernel::KernelCore& Kernel();
/// Provides a constant reference to the kernel instance.
[[nodiscard]] const Kernel::KernelCore& Kernel() const;
/// Provides a reference to the internal PerfStats instance.
[[nodiscard]] Core::PerfStats& GetPerfStats();
/// Provides a constant reference to the internal PerfStats instance.
[[nodiscard]] const Core::PerfStats& GetPerfStats() const;
/// Provides a reference to the frame limiter;
[[nodiscard]] Core::FrameLimiter& FrameLimiter();
/// Provides a constant referent to the frame limiter
[[nodiscard]] const Core::FrameLimiter& FrameLimiter() const;
/// Gets the name of the current game
[[nodiscard]] Loader::ResultStatus GetGameName(std::string& out) const;
void SetStatus(ResultStatus new_status, const char* details);
[[nodiscard]] const std::string& GetStatusDetails() const;
[[nodiscard]] Loader::AppLoader& GetAppLoader();
[[nodiscard]] const Loader::AppLoader& GetAppLoader() const;
[[nodiscard]] Service::SM::ServiceManager& ServiceManager();
[[nodiscard]] const Service::SM::ServiceManager& ServiceManager() const;
void SetFilesystem(FileSys::VirtualFilesystem vfs);
[[nodiscard]] FileSys::VirtualFilesystem GetFilesystem() const;
void RegisterCheatList(const std::vector<Memory::CheatEntry>& list,
const std::array<u8, 0x20>& build_id, VAddr main_region_begin,
u64 main_region_size);
void SetAppletFrontendSet(Service::AM::Applets::AppletFrontendSet&& set);
void SetDefaultAppletFrontendSet();
[[nodiscard]] Service::AM::Applets::AppletManager& GetAppletManager();
[[nodiscard]] const Service::AM::Applets::AppletManager& GetAppletManager() const;
void SetContentProvider(std::unique_ptr<FileSys::ContentProviderUnion> provider);
[[nodiscard]] FileSys::ContentProvider& GetContentProvider();
[[nodiscard]] const FileSys::ContentProvider& GetContentProvider() const;
[[nodiscard]] Service::FileSystem::FileSystemController& GetFileSystemController();
[[nodiscard]] const Service::FileSystem::FileSystemController& GetFileSystemController() const;
void RegisterContentProvider(FileSys::ContentProviderUnionSlot slot,
FileSys::ContentProvider* provider);
void ClearContentProvider(FileSys::ContentProviderUnionSlot slot);
[[nodiscard]] const Reporter& GetReporter() const;
[[nodiscard]] Service::Glue::ARPManager& GetARPManager();
[[nodiscard]] const Service::Glue::ARPManager& GetARPManager() const;
[[nodiscard]] Service::APM::Controller& GetAPMController();
[[nodiscard]] const Service::APM::Controller& GetAPMController() const;
[[nodiscard]] Service::Time::TimeManager& GetTimeManager();
[[nodiscard]] const Service::Time::TimeManager& GetTimeManager() const;
void SetExitLock(bool locked);
[[nodiscard]] bool GetExitLock() const;
void SetCurrentProcessBuildID(const CurrentBuildProcessID& id);
[[nodiscard]] const CurrentBuildProcessID& GetCurrentProcessBuildID() const;
/// Register a host thread as an emulated CPU Core.
void RegisterCoreThread(std::size_t id);
/// Register a host thread as an auxiliary thread.
void RegisterHostThread();
/// Enter Dynarmic Microprofile
void EnterDynarmicProfile();
/// Exit Dynarmic Microprofile
void ExitDynarmicProfile();
/// Tells if system is running on multicore.
[[nodiscard]] bool IsMulticore() const;
/// Type used for the frontend to designate a callback for System to re-launch the application
/// using a specified program index.
using ExecuteProgramCallback = std::function<void(std::size_t)>;
/**
* Registers a callback from the frontend for System to re-launch the application using a
* specified program index.
* @param callback Callback from the frontend to relaunch the application.
*/
void RegisterExecuteProgramCallback(ExecuteProgramCallback&& callback);
/**
* Instructs the frontend to re-launch the application using the specified program_index.
* @param program_index Specifies the index within the application of the program to launch.
*/
void ExecuteProgram(std::size_t program_index);
/// Applies any changes to settings to this core instance.
void ApplySettings();
private:
System();
struct Impl;
std::unique_ptr<Impl> impl;
static System s_instance;
};
} // namespace Core
