Atmosphere/libraries/libmesosphere/include/mesosphere/kern_kernel.hpp

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6.1 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <mesosphere/kern_common.hpp>
#include <mesosphere/kern_k_typed_address.hpp>
#include <mesosphere/kern_select_cpu.hpp>
#include <mesosphere/kern_k_memory_layout.hpp>
#include <mesosphere/kern_k_memory_manager.hpp>
#include <mesosphere/kern_k_scheduler.hpp>
#include <mesosphere/kern_k_interrupt_task_manager.hpp>
#include <mesosphere/kern_select_interrupt_manager.hpp>
#include <mesosphere/kern_select_hardware_timer.hpp>
#include <mesosphere/kern_k_worker_task_manager.hpp>
namespace ams::kern {
class KThread;
class KHardwareTimer;
class KResourceLimit;
class KInterruptManager;
class KInterruptTaskManager;
class KScheduler;
class KMemoryManager;
class KPageTableManager;
class KMemoryBlockSlabManager;
class KBlockInfoManager;
class KUnsafeMemory;
#if defined(ATMOSPHERE_ARCH_ARM64)
namespace arch::arm64 {
class KSupervisorPageTable;
}
using ams::kern::arch::arm64::KSupervisorPageTable;
#else
#error "Unknown architecture for KSupervisorPageTable forward declare"
#endif
class Kernel {
public:
enum class State : u8 {
Invalid = 0,
Initializing = 1,
Initialized = 2,
};
static constexpr size_t ApplicationMemoryBlockSlabHeapSize = 20000;
static constexpr size_t SystemMemoryBlockSlabHeapSize = 10000;
static constexpr size_t BlockInfoSlabHeapSize = 4000;
static constexpr size_t ReservedDynamicPageCount = 64;
private:
static State s_state;
static KResourceLimit s_system_resource_limit;
static KMemoryManager s_memory_manager;
static KPageTableSlabHeap s_page_table_heap;
static KMemoryBlockSlabHeap s_app_memory_block_heap;
static KMemoryBlockSlabHeap s_sys_memory_block_heap;
static KBlockInfoSlabHeap s_block_info_heap;
static KPageTableManager s_app_page_table_manager;
static KPageTableManager s_sys_page_table_manager;
static KMemoryBlockSlabManager s_app_memory_block_manager;
static KMemoryBlockSlabManager s_sys_memory_block_manager;
static KBlockInfoManager s_app_block_info_manager;
static KBlockInfoManager s_sys_block_info_manager;
static KSystemResource s_app_system_resource;
static KSystemResource s_sys_system_resource;
static KSupervisorPageTable s_supervisor_page_table;
static KUnsafeMemory s_unsafe_memory;
static KWorkerTaskManager s_worker_task_managers[KWorkerTaskManager::WorkerType_Count];
static KInterruptManager s_interrupt_manager;
static KScheduler s_schedulers[cpu::NumCores];
static KInterruptTaskManager s_interrupt_task_managers[cpu::NumCores];
static KHardwareTimer s_hardware_timers[cpu::NumCores];
public:
static NOINLINE void InitializeCoreLocalRegion(s32 core_id);
static NOINLINE void InitializeMainAndIdleThreads(s32 core_id);
static NOINLINE void InitializeResourceManagers(KVirtualAddress address, size_t size);
static NOINLINE void PrintLayout();
static ALWAYS_INLINE State GetState() { return s_state; }
static ALWAYS_INLINE void SetState(State state) { s_state = state; }
static KThread &GetMainThread(s32 core_id);
static KThread &GetIdleThread(s32 core_id);
static ALWAYS_INLINE KScheduler &GetScheduler() {
return s_schedulers[GetCurrentCoreId()];
}
static ALWAYS_INLINE KScheduler &GetScheduler(s32 core_id) {
return s_schedulers[core_id];
}
static ALWAYS_INLINE KInterruptTaskManager &GetInterruptTaskManager() {
return s_interrupt_task_managers[GetCurrentCoreId()];
}
static ALWAYS_INLINE KInterruptManager &GetInterruptManager() {
return s_interrupt_manager;
}
static ALWAYS_INLINE KHardwareTimer &GetHardwareTimer() {
return s_hardware_timers[GetCurrentCoreId()];
}
static ALWAYS_INLINE KHardwareTimer &GetHardwareTimer(s32 core_id) {
return s_hardware_timers[core_id];
}
static ALWAYS_INLINE KResourceLimit &GetSystemResourceLimit() {
return s_system_resource_limit;
}
static ALWAYS_INLINE KMemoryManager &GetMemoryManager() {
return s_memory_manager;
}
static ALWAYS_INLINE KSystemResource &GetApplicationSystemResource() {
return s_app_system_resource;
}
static ALWAYS_INLINE KSystemResource &GetSystemSystemResource() {
return s_sys_system_resource;
}
static ALWAYS_INLINE KSupervisorPageTable &GetKernelPageTable() {
return s_supervisor_page_table;
}
static ALWAYS_INLINE KUnsafeMemory &GetUnsafeMemory() {
return s_unsafe_memory;
}
static ALWAYS_INLINE KWorkerTaskManager &GetWorkerTaskManager(KWorkerTaskManager::WorkerType type) {
MESOSPHERE_ASSERT(type <= KWorkerTaskManager::WorkerType_Count);
return s_worker_task_managers[type];
}
};
ALWAYS_INLINE KScheduler &GetCurrentScheduler() {
return Kernel::GetScheduler();
}
}