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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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2014-05-09 22:11:18 -04:00
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#pragma once
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2020-03-01 11:14:17 -05:00
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#include <array>
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#include <functional>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include "common/polyfill_thread.h"
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#include "core/hardware_properties.h"
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#include "core/hle/kernel/k_auto_object.h"
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#include "core/hle/kernel/k_slab_heap.h"
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#include "core/hle/kernel/k_typed_address.h"
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#include "core/hle/kernel/svc_common.h"
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namespace Core {
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class ExclusiveMonitor;
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class System;
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} // namespace Core
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2019-02-12 12:32:15 -05:00
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namespace Core::Timing {
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class CoreTiming;
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struct EventType;
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} // namespace Core::Timing
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namespace Service {
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class ServerManager;
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}
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2021-05-10 18:57:59 -04:00
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namespace Service::SM {
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class ServiceManager;
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}
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2014-05-20 18:13:25 -04:00
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namespace Kernel {
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class KClientPort;
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class GlobalSchedulerContext;
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class KAutoObjectWithListContainer;
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class KClientSession;
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class KDebug;
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class KDeviceAddressSpace;
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class KDynamicPageManager;
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class KEvent;
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class KEventInfo;
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class KHandleTable;
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class KHardwareTimer;
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class KMemoryLayout;
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class KMemoryManager;
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class KObjectName;
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class KObjectNameGlobalData;
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class KPageBuffer;
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class KPageBufferSlabHeap;
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class KPort;
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class KProcess;
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class KResourceLimit;
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class KScheduler;
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class KServerPort;
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class KServerSession;
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class KSession;
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class KSessionRequest;
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class KSharedMemory;
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class KSharedMemoryInfo;
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class KSecureSystemResource;
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class KThread;
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class KThreadLocalPage;
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class KTransferMemory;
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class KWorkerTaskManager;
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class KCodeMemory;
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class PhysicalCore;
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namespace Init {
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struct KSlabResourceCounts;
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}
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template <typename T>
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class KSlabHeap;
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/// Represents a single instance of the kernel.
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class KernelCore {
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public:
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/// Constructs an instance of the kernel using the given System
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/// instance as a context for any necessary system-related state,
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/// such as threads, CPU core state, etc.
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///
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/// @post After execution of the constructor, the provided System
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/// object *must* outlive the kernel instance itself.
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///
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explicit KernelCore(Core::System& system);
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~KernelCore();
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KernelCore(const KernelCore&) = delete;
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KernelCore& operator=(const KernelCore&) = delete;
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KernelCore(KernelCore&&) = delete;
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KernelCore& operator=(KernelCore&&) = delete;
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/// Sets if emulation is multicore or single core, must be set before Initialize
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void SetMulticore(bool is_multicore);
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/// Resets the kernel to a clean slate for use.
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void Initialize();
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/// Initializes the CPU cores.
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void InitializeCores();
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/// Clears all resources in use by the kernel instance.
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void Shutdown();
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/// Close all active services in use by the kernel instance.
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void CloseServices();
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/// Retrieves a shared pointer to the system resource limit instance.
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const KResourceLimit* GetSystemResourceLimit() const;
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/// Retrieves a shared pointer to the system resource limit instance.
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KResourceLimit* GetSystemResourceLimit();
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/// Retrieves a shared pointer to a Thread instance within the thread wakeup handle table.
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KScopedAutoObject<KThread> RetrieveThreadFromGlobalHandleTable(Handle handle) const;
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/// Adds the given shared pointer to an internal list of active processes.
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void AppendNewProcess(KProcess* process);
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/// Makes the given process the new application process.
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void MakeApplicationProcess(KProcess* process);
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/// Retrieves a pointer to the application process.
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KProcess* ApplicationProcess();
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/// Retrieves a const pointer to the application process.
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const KProcess* ApplicationProcess() const;
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/// Closes the application process.
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void CloseApplicationProcess();
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/// Retrieves the list of processes.
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const std::vector<KProcess*>& GetProcessList() const;
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/// Gets the sole instance of the global scheduler
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Kernel::GlobalSchedulerContext& GlobalSchedulerContext();
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/// Gets the sole instance of the global scheduler
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const Kernel::GlobalSchedulerContext& GlobalSchedulerContext() const;
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/// Gets the sole instance of the Scheduler assoviated with cpu core 'id'
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Kernel::KScheduler& Scheduler(std::size_t id);
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/// Gets the sole instance of the Scheduler assoviated with cpu core 'id'
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const Kernel::KScheduler& Scheduler(std::size_t id) const;
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/// Gets the an instance of the respective physical CPU core.
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Kernel::PhysicalCore& PhysicalCore(std::size_t id);
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/// Gets the an instance of the respective physical CPU core.
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const Kernel::PhysicalCore& PhysicalCore(std::size_t id) const;
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/// Gets the current physical core index for the running host thread.
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std::size_t CurrentPhysicalCoreIndex() const;
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/// Gets the sole instance of the Scheduler at the current running core.
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Kernel::KScheduler* CurrentScheduler();
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/// Gets the an instance of the current physical CPU core.
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Kernel::PhysicalCore& CurrentPhysicalCore();
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/// Gets the an instance of the current physical CPU core.
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const Kernel::PhysicalCore& CurrentPhysicalCore() const;
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/// Gets the an instance of the hardware timer.
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Kernel::KHardwareTimer& HardwareTimer();
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/// Stops execution of 'id' core, in order to reschedule a new thread.
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void PrepareReschedule(std::size_t id);
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Core::ExclusiveMonitor& GetExclusiveMonitor();
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const Core::ExclusiveMonitor& GetExclusiveMonitor() const;
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KAutoObjectWithListContainer& ObjectListContainer();
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const KAutoObjectWithListContainer& ObjectListContainer() const;
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void InvalidateAllInstructionCaches();
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void InvalidateCpuInstructionCacheRange(KProcessAddress addr, std::size_t size);
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/// Registers all kernel objects with the global emulation state, this is purely for tracking
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/// leaks after emulation has been shutdown.
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void RegisterKernelObject(KAutoObject* object);
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/// Unregisters a kernel object previously registered with RegisterKernelObject when it was
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/// destroyed during the current emulation session.
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void UnregisterKernelObject(KAutoObject* object);
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/// Registers kernel objects with guest in use state, this is purely for close
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/// after emulation has been shutdown.
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void RegisterInUseObject(KAutoObject* object);
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/// Unregisters a kernel object previously registered with RegisterInUseObject when it was
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/// destroyed during the current emulation session.
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void UnregisterInUseObject(KAutoObject* object);
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// Runs the given server manager until shutdown.
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void RunServer(std::unique_ptr<Service::ServerManager>&& server_manager);
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/// Gets the current host_thread/guest_thread pointer.
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KThread* GetCurrentEmuThread() const;
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/// Sets the current guest_thread pointer.
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void SetCurrentEmuThread(KThread* thread);
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/// Gets the current host_thread handle.
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u32 GetCurrentHostThreadID() const;
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/// Register the current thread as a CPU Core Thread.
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void RegisterCoreThread(std::size_t core_id);
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/// Register the current thread as a non CPU core thread.
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void RegisterHostThread(KThread* existing_thread = nullptr);
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void RunOnGuestCoreProcess(std::string&& process_name, std::function<void()> func);
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std::jthread RunOnHostCoreProcess(std::string&& process_name, std::function<void()> func);
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std::jthread RunOnHostCoreThread(std::string&& thread_name, std::function<void()> func);
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/// Gets global data for KObjectName.
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KObjectNameGlobalData& ObjectNameGlobalData();
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/// Gets the virtual memory manager for the kernel.
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KMemoryManager& MemoryManager();
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/// Gets the virtual memory manager for the kernel.
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const KMemoryManager& MemoryManager() const;
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/// Gets the application resource manager.
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KSystemResource& GetAppSystemResource();
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/// Gets the application resource manager.
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const KSystemResource& GetAppSystemResource() const;
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/// Gets the system resource manager.
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KSystemResource& GetSystemSystemResource();
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/// Gets the system resource manager.
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const KSystemResource& GetSystemSystemResource() const;
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/// Gets the shared memory object for HID services.
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Kernel::KSharedMemory& GetHidSharedMem();
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/// Gets the shared memory object for HID services.
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const Kernel::KSharedMemory& GetHidSharedMem() const;
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/// Gets the shared memory object for font services.
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Kernel::KSharedMemory& GetFontSharedMem();
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/// Gets the shared memory object for font services.
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const Kernel::KSharedMemory& GetFontSharedMem() const;
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/// Gets the shared memory object for IRS services.
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Kernel::KSharedMemory& GetIrsSharedMem();
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/// Gets the shared memory object for IRS services.
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const Kernel::KSharedMemory& GetIrsSharedMem() const;
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/// Gets the shared memory object for Time services.
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Kernel::KSharedMemory& GetTimeSharedMem();
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/// Gets the shared memory object for Time services.
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const Kernel::KSharedMemory& GetTimeSharedMem() const;
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2020-04-08 21:06:37 -04:00
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2021-05-02 19:41:03 -04:00
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/// Gets the shared memory object for HIDBus services.
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Kernel::KSharedMemory& GetHidBusSharedMem();
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/// Gets the shared memory object for HIDBus services.
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const Kernel::KSharedMemory& GetHidBusSharedMem() const;
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2023-02-13 11:21:43 -05:00
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/// Suspend/unsuspend application process.
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void SuspendApplication(bool suspend);
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2020-02-24 21:04:12 -05:00
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2023-02-13 11:21:43 -05:00
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/// Exceptional exit application process.
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void ExceptionalExitApplication();
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2020-02-24 21:04:12 -05:00
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2022-06-13 18:36:30 -04:00
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/// Notify emulated CPU cores to shut down.
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void ShutdownCores();
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2020-03-10 13:13:39 -04:00
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bool IsMulticore() const;
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2021-11-25 23:46:17 -05:00
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bool IsShuttingDown() const;
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2020-03-12 16:48:43 -04:00
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void EnterSVCProfile();
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void ExitSVCProfile();
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2020-12-31 05:13:02 -05:00
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/// Workaround for single-core mode when preempting threads while idle.
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bool IsPhantomModeForSingleCore() const;
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void SetIsPhantomModeForSingleCore(bool value);
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2021-04-03 22:11:46 -04:00
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Core::System& System();
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const Core::System& System() const;
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2021-04-10 01:10:14 -04:00
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/// Gets the slab heap for the specified kernel object type.
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template <typename T>
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2023-02-23 15:49:42 -05:00
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KSlabHeap<T>& SlabHeap();
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2021-04-10 01:10:14 -04:00
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2021-05-05 00:35:42 -04:00
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/// Gets the current slab resource counts.
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Init::KSlabResourceCounts& SlabResourceCounts();
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/// Gets the current slab resource counts.
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const Init::KSlabResourceCounts& SlabResourceCounts() const;
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2022-01-14 19:25:37 -05:00
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/// Gets the current worker task manager, used for dispatching KThread/KProcess tasks.
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KWorkerTaskManager& WorkerTaskManager();
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/// Gets the current worker task manager, used for dispatching KThread/KProcess tasks.
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const KWorkerTaskManager& WorkerTaskManager() const;
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2022-02-26 13:46:31 -05:00
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/// Gets the memory layout.
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|
const KMemoryLayout& MemoryLayout() const;
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|
|
2018-08-28 12:30:33 -04:00
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|
private:
|
2021-04-24 01:04:28 -04:00
|
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|
friend class KProcess;
|
2020-12-31 02:01:08 -05:00
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|
friend class KThread;
|
2018-08-28 12:30:33 -04:00
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/// Creates a new object ID, incrementing the internal object ID counter.
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|
u32 CreateNewObjectID();
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/// Creates a new process ID, incrementing the internal process ID counter;
|
2019-06-10 00:28:33 -04:00
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|
|
u64 CreateNewKernelProcessID();
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|
/// Creates a new process ID, incrementing the internal process ID counter;
|
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|
|
u64 CreateNewUserProcessID();
|
2018-08-28 12:30:33 -04:00
|
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|
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|
|
/// Creates a new thread ID, incrementing the internal thread ID counter.
|
2018-12-18 22:37:01 -05:00
|
|
|
u64 CreateNewThreadID();
|
2018-08-28 12:30:33 -04:00
|
|
|
|
2020-02-14 08:30:53 -05:00
|
|
|
/// Provides a reference to the global handle table.
|
2021-04-24 05:40:31 -04:00
|
|
|
KHandleTable& GlobalHandleTable();
|
2018-08-28 12:30:33 -04:00
|
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|
|
2020-02-14 08:30:53 -05:00
|
|
|
/// Provides a const reference to the global handle table.
|
2021-04-24 05:40:31 -04:00
|
|
|
const KHandleTable& GlobalHandleTable() const;
|
2014-06-10 22:43:50 -04:00
|
|
|
|
2018-08-28 12:30:33 -04:00
|
|
|
struct Impl;
|
|
|
|
std::unique_ptr<Impl> impl;
|
2021-04-10 01:10:14 -04:00
|
|
|
|
2020-02-24 21:04:12 -05:00
|
|
|
bool exception_exited{};
|
2021-04-10 01:10:14 -04:00
|
|
|
|
|
|
|
private:
|
2021-04-10 02:16:13 -04:00
|
|
|
/// Helper to encapsulate all slab heaps in a single heap allocated container
|
2023-02-23 15:49:42 -05:00
|
|
|
struct SlabHeapContainer;
|
2021-04-10 02:16:13 -04:00
|
|
|
|
|
|
|
std::unique_ptr<SlabHeapContainer> slab_heap_container;
|
2018-08-28 12:30:33 -04:00
|
|
|
};
|
2014-06-10 22:43:50 -04:00
|
|
|
|
2017-07-21 00:52:50 -04:00
|
|
|
} // namespace Kernel
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