4c2ed2706e
Currently, the main memory management code is one of the remaining places where we have global state. The next series of changes will aim to rectify this. This change simply introduces the main skeleton of the class that will contain all the necessary state.
390 lines
12 KiB
C++
390 lines
12 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <cstddef>
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#include <memory>
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#include <string>
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#include <vector>
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#include "common/common_types.h"
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#include "core/file_sys/vfs_types.h"
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#include "core/hle/kernel/object.h"
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namespace Core::Frontend {
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class EmuWindow;
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} // namespace Core::Frontend
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namespace FileSys {
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class ContentProvider;
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class ContentProviderUnion;
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enum class ContentProviderUnionSlot;
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class VfsFilesystem;
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} // namespace FileSys
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namespace Kernel {
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class GlobalScheduler;
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class KernelCore;
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class Process;
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class Scheduler;
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} // namespace Kernel
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namespace Loader {
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class AppLoader;
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enum class ResultStatus : u16;
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} // namespace Loader
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namespace Memory {
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struct CheatEntry;
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} // namespace Memory
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namespace Service {
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namespace AM::Applets {
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struct AppletFrontendSet;
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class AppletManager;
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} // namespace AM::Applets
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namespace APM {
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class Controller;
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}
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namespace FileSystem {
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class FileSystemController;
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} // namespace FileSystem
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namespace Glue {
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class ARPManager;
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}
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namespace LM {
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class Manager;
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} // namespace LM
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namespace SM {
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class ServiceManager;
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} // namespace SM
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} // namespace Service
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namespace Tegra {
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class DebugContext;
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class GPU;
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} // namespace Tegra
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namespace VideoCore {
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class RendererBase;
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} // namespace VideoCore
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namespace Core::Timing {
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class CoreTiming;
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}
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namespace Core::Hardware {
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class InterruptManager;
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}
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namespace Memory {
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class Memory;
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}
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namespace Core {
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class ARM_Interface;
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class Cpu;
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class ExclusiveMonitor;
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class FrameLimiter;
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class PerfStats;
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class Reporter;
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class TelemetrySession;
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struct PerfStatsResults;
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FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
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const std::string& path);
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class System {
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public:
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using CurrentBuildProcessID = std::array<u8, 0x20>;
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System(const System&) = delete;
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System& operator=(const System&) = delete;
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System(System&&) = delete;
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System& operator=(System&&) = delete;
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~System();
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/**
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* Gets the instance of the System singleton class.
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* @returns Reference to the instance of the System singleton class.
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*/
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static System& GetInstance() {
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return s_instance;
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}
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/// Enumeration representing the return values of the System Initialize and Load process.
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enum class ResultStatus : u32 {
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Success, ///< Succeeded
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ErrorNotInitialized, ///< Error trying to use core prior to initialization
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ErrorGetLoader, ///< Error finding the correct application loader
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ErrorSystemFiles, ///< Error in finding system files
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ErrorSharedFont, ///< Error in finding shared font
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ErrorVideoCore, ///< Error in the video core
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ErrorUnknown, ///< Any other error
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ErrorLoader, ///< The base for loader errors (too many to repeat)
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};
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/**
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* Run the core CPU loop
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* This function runs the core for the specified number of CPU instructions before trying to
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* update hardware. This is much faster than SingleStep (and should be equivalent), as the CPU
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* is not required to do a full dispatch with each instruction. NOTE: the number of instructions
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* requested is not guaranteed to run, as this will be interrupted preemptively if a hardware
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* update is requested (e.g. on a thread switch).
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* @param tight_loop If false, the CPU single-steps.
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* @return Result status, indicating whether or not the operation succeeded.
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*/
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ResultStatus RunLoop(bool tight_loop = true);
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/**
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* Step the CPU one instruction
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* @return Result status, indicating whether or not the operation succeeded.
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*/
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ResultStatus SingleStep();
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/**
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* Invalidate the CPU instruction caches
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* This function should only be used by GDB Stub to support breakpoints, memory updates and
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* step/continue commands.
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*/
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void InvalidateCpuInstructionCaches();
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/// Shutdown the emulated system.
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void Shutdown();
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/**
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* Load an executable application.
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* @param emu_window Reference to the host-system window used for video output and keyboard
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* input.
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* @param filepath String path to the executable application to load on the host file system.
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* @returns ResultStatus code, indicating if the operation succeeded.
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*/
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ResultStatus Load(Frontend::EmuWindow& emu_window, const std::string& filepath);
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/**
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* Indicates if the emulated system is powered on (all subsystems initialized and able to run an
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* application).
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* @returns True if the emulated system is powered on, otherwise false.
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*/
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bool IsPoweredOn() const;
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/// Gets a reference to the telemetry session for this emulation session.
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Core::TelemetrySession& TelemetrySession();
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/// Gets a reference to the telemetry session for this emulation session.
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const Core::TelemetrySession& TelemetrySession() const;
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/// Prepare the core emulation for a reschedule
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void PrepareReschedule();
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/// Prepare the core emulation for a reschedule
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void PrepareReschedule(u32 core_index);
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/// Gets and resets core performance statistics
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PerfStatsResults GetAndResetPerfStats();
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/// Gets an ARM interface to the CPU core that is currently running
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ARM_Interface& CurrentArmInterface();
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/// Gets an ARM interface to the CPU core that is currently running
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const ARM_Interface& CurrentArmInterface() const;
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/// Gets the index of the currently running CPU core
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std::size_t CurrentCoreIndex() const;
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/// Gets the scheduler for the CPU core that is currently running
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Kernel::Scheduler& CurrentScheduler();
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/// Gets the scheduler for the CPU core that is currently running
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const Kernel::Scheduler& CurrentScheduler() const;
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/// Gets a reference to an ARM interface for the CPU core with the specified index
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ARM_Interface& ArmInterface(std::size_t core_index);
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/// Gets a const reference to an ARM interface from the CPU core with the specified index
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const ARM_Interface& ArmInterface(std::size_t core_index) const;
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/// Gets a CPU interface to the CPU core with the specified index
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Cpu& CpuCore(std::size_t core_index);
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/// Gets a CPU interface to the CPU core with the specified index
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const Cpu& CpuCore(std::size_t core_index) const;
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/// Gets a reference to the exclusive monitor
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ExclusiveMonitor& Monitor();
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/// Gets a constant reference to the exclusive monitor
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const ExclusiveMonitor& Monitor() const;
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/// Gets a mutable reference to the system memory instance.
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Memory::Memory& Memory();
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/// Gets a constant reference to the system memory instance.
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const Memory::Memory& Memory() const;
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/// Gets a mutable reference to the GPU interface
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Tegra::GPU& GPU();
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/// Gets an immutable reference to the GPU interface.
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const Tegra::GPU& GPU() const;
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/// Gets a mutable reference to the renderer.
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VideoCore::RendererBase& Renderer();
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/// Gets an immutable reference to the renderer.
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const VideoCore::RendererBase& Renderer() const;
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/// Gets the scheduler for the CPU core with the specified index
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Kernel::Scheduler& Scheduler(std::size_t core_index);
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/// Gets the scheduler for the CPU core with the specified index
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const Kernel::Scheduler& Scheduler(std::size_t core_index) const;
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/// Gets the global scheduler
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Kernel::GlobalScheduler& GlobalScheduler();
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/// Gets the global scheduler
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const Kernel::GlobalScheduler& GlobalScheduler() const;
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/// Provides a pointer to the current process
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Kernel::Process* CurrentProcess();
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/// Provides a constant pointer to the current process.
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const Kernel::Process* CurrentProcess() const;
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/// Provides a reference to the core timing instance.
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Timing::CoreTiming& CoreTiming();
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/// Provides a constant reference to the core timing instance.
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const Timing::CoreTiming& CoreTiming() const;
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/// Provides a reference to the interrupt manager instance.
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Core::Hardware::InterruptManager& InterruptManager();
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/// Provides a constant reference to the interrupt manager instance.
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const Core::Hardware::InterruptManager& InterruptManager() const;
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/// Provides a reference to the kernel instance.
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Kernel::KernelCore& Kernel();
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/// Provides a constant reference to the kernel instance.
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const Kernel::KernelCore& Kernel() const;
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/// Provides a reference to the internal PerfStats instance.
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Core::PerfStats& GetPerfStats();
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/// Provides a constant reference to the internal PerfStats instance.
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const Core::PerfStats& GetPerfStats() const;
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/// Provides a reference to the frame limiter;
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Core::FrameLimiter& FrameLimiter();
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/// Provides a constant referent to the frame limiter
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const Core::FrameLimiter& FrameLimiter() const;
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/// Gets the name of the current game
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Loader::ResultStatus GetGameName(std::string& out) const;
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void SetStatus(ResultStatus new_status, const char* details);
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const std::string& GetStatusDetails() const;
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Loader::AppLoader& GetAppLoader() const;
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Service::SM::ServiceManager& ServiceManager();
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const Service::SM::ServiceManager& ServiceManager() const;
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void SetGPUDebugContext(std::shared_ptr<Tegra::DebugContext> context);
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Tegra::DebugContext* GetGPUDebugContext() const;
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void SetFilesystem(std::shared_ptr<FileSys::VfsFilesystem> vfs);
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std::shared_ptr<FileSys::VfsFilesystem> GetFilesystem() const;
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void RegisterCheatList(const std::vector<Memory::CheatEntry>& list,
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const std::array<u8, 0x20>& build_id, VAddr main_region_begin,
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u64 main_region_size);
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void SetAppletFrontendSet(Service::AM::Applets::AppletFrontendSet&& set);
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void SetDefaultAppletFrontendSet();
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Service::AM::Applets::AppletManager& GetAppletManager();
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const Service::AM::Applets::AppletManager& GetAppletManager() const;
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void SetContentProvider(std::unique_ptr<FileSys::ContentProviderUnion> provider);
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FileSys::ContentProvider& GetContentProvider();
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const FileSys::ContentProvider& GetContentProvider() const;
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Service::FileSystem::FileSystemController& GetFileSystemController();
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const Service::FileSystem::FileSystemController& GetFileSystemController() const;
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void RegisterContentProvider(FileSys::ContentProviderUnionSlot slot,
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FileSys::ContentProvider* provider);
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void ClearContentProvider(FileSys::ContentProviderUnionSlot slot);
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const Reporter& GetReporter() const;
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Service::Glue::ARPManager& GetARPManager();
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const Service::Glue::ARPManager& GetARPManager() const;
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Service::APM::Controller& GetAPMController();
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const Service::APM::Controller& GetAPMController() const;
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Service::LM::Manager& GetLogManager();
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const Service::LM::Manager& GetLogManager() const;
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void SetExitLock(bool locked);
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bool GetExitLock() const;
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void SetCurrentProcessBuildID(const CurrentBuildProcessID& id);
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const CurrentBuildProcessID& GetCurrentProcessBuildID() const;
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private:
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System();
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/// Returns the currently running CPU core
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Cpu& CurrentCpuCore();
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/// Returns the currently running CPU core
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const Cpu& CurrentCpuCore() const;
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/**
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* Initialize the emulated system.
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* @param emu_window Reference to the host-system window used for video output and keyboard
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* input.
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* @return ResultStatus code, indicating if the operation succeeded.
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*/
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ResultStatus Init(Frontend::EmuWindow& emu_window);
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struct Impl;
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std::unique_ptr<Impl> impl;
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static System s_instance;
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};
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} // namespace Core
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