224 lines
7.3 KiB
C++
224 lines
7.3 KiB
C++
// Copyright 2014 Citra Emulator Project / PPSSPP 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 <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 "core/hle/kernel/memory/memory_types.h"
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#include "core/hle/kernel/object.h"
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namespace Core {
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struct EmuThreadHandle;
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class ExclusiveMonitor;
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class System;
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} // namespace Core
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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 Kernel {
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namespace Memory {
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class MemoryManager;
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template <typename T>
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class SlabHeap;
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} // namespace Memory
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class AddressArbiter;
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class ClientPort;
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class GlobalScheduler;
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class HandleTable;
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class PhysicalCore;
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class Process;
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class ResourceLimit;
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class Scheduler;
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class SharedMemory;
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class Synchronization;
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class Thread;
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class TimeManager;
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/// Represents a single instance of the kernel.
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class KernelCore {
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private:
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using NamedPortTable = std::unordered_map<std::string, std::shared_ptr<ClientPort>>;
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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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/// Resets the kernel to a clean slate for use.
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void Initialize();
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/// Clears all resources in use by the kernel instance.
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void Shutdown();
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/// Retrieves a shared pointer to the system resource limit instance.
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std::shared_ptr<ResourceLimit> GetSystemResourceLimit() const;
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/// Retrieves a shared pointer to a Thread instance within the thread wakeup handle table.
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std::shared_ptr<Thread> 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(std::shared_ptr<Process> process);
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/// Makes the given process the new current process.
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void MakeCurrentProcess(Process* process);
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/// Retrieves a pointer to the current process.
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Process* CurrentProcess();
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/// Retrieves a const pointer to the current process.
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const Process* CurrentProcess() const;
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/// Retrieves the list of processes.
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const std::vector<std::shared_ptr<Process>>& GetProcessList() const;
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/// Gets the sole instance of the global scheduler
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Kernel::GlobalScheduler& GlobalScheduler();
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/// Gets the sole instance of the global scheduler
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const Kernel::GlobalScheduler& GlobalScheduler() const;
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/// Gets the sole instance of the Scheduler assoviated with cpu core 'id'
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Kernel::Scheduler& 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::Scheduler& 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 an instance of the Synchronization Interface.
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Kernel::Synchronization& Synchronization();
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/// Gets the an instance of the Synchronization Interface.
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const Kernel::Synchronization& Synchronization() const;
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/// Gets the an instance of the TimeManager Interface.
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Kernel::TimeManager& TimeManager();
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/// Gets the an instance of the TimeManager Interface.
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const Kernel::TimeManager& TimeManager() const;
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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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void InvalidateAllInstructionCaches();
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/// Adds a port to the named port table
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void AddNamedPort(std::string name, std::shared_ptr<ClientPort> port);
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/// Finds a port within the named port table with the given name.
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NamedPortTable::iterator FindNamedPort(const std::string& name);
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/// Finds a port within the named port table with the given name.
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NamedPortTable::const_iterator FindNamedPort(const std::string& name) const;
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/// Determines whether or not the given port is a valid named port.
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bool IsValidNamedPort(NamedPortTable::const_iterator port) const;
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/// Gets the current host_thread/guest_thread handle.
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Core::EmuThreadHandle GetCurrentEmuThreadID() const;
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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();
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/// Gets the virtual memory manager for the kernel.
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Memory::MemoryManager& MemoryManager();
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/// Gets the virtual memory manager for the kernel.
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const Memory::MemoryManager& MemoryManager() const;
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/// Gets the slab heap allocated for user space pages.
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Memory::SlabHeap<Memory::Page>& GetUserSlabHeapPages();
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/// Gets the slab heap allocated for user space pages.
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const Memory::SlabHeap<Memory::Page>& GetUserSlabHeapPages() const;
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/// Gets the shared memory object for HID services.
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Kernel::SharedMemory& GetHidSharedMem();
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/// Gets the shared memory object for HID services.
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const Kernel::SharedMemory& GetHidSharedMem() const;
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/// Gets the shared memory object for font services.
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Kernel::SharedMemory& GetFontSharedMem();
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/// Gets the shared memory object for font services.
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const Kernel::SharedMemory& GetFontSharedMem() const;
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/// Gets the shared memory object for IRS services.
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Kernel::SharedMemory& GetIrsSharedMem();
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/// Gets the shared memory object for IRS services.
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const Kernel::SharedMemory& GetIrsSharedMem() const;
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/// Gets the shared memory object for Time services.
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Kernel::SharedMemory& GetTimeSharedMem();
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/// Gets the shared memory object for Time services.
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const Kernel::SharedMemory& GetTimeSharedMem() const;
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private:
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friend class Object;
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friend class Process;
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friend class Thread;
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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;
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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();
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/// Creates a new thread ID, incrementing the internal thread ID counter.
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u64 CreateNewThreadID();
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/// Retrieves the event type used for thread wakeup callbacks.
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const std::shared_ptr<Core::Timing::EventType>& ThreadWakeupCallbackEventType() const;
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/// Provides a reference to the global handle table.
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Kernel::HandleTable& GlobalHandleTable();
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/// Provides a const reference to the global handle table.
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const Kernel::HandleTable& GlobalHandleTable() const;
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struct Impl;
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std::unique_ptr<Impl> impl;
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};
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} // namespace Kernel
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