mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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115 lines
4.5 KiB
C++
115 lines
4.5 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <mesosphere.hpp>
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namespace ams::kern {
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/* Declare kernel data members in kernel TU. */
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constinit Kernel::State Kernel::s_state = Kernel::State::Invalid;
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constinit KResourceLimit Kernel::s_system_resource_limit{util::ConstantInitialize};
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KMemoryManager Kernel::s_memory_manager;
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constinit KSupervisorPageTable Kernel::s_supervisor_page_table;
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constinit KUnsafeMemory Kernel::s_unsafe_memory;
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constinit KWorkerTaskManager Kernel::s_worker_task_managers[KWorkerTaskManager::WorkerType_Count];
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constinit KInterruptManager Kernel::s_interrupt_manager;
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constinit KScheduler Kernel::s_schedulers[cpu::NumCores];
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constinit KInterruptTaskManager Kernel::s_interrupt_task_managers[cpu::NumCores];
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constinit KHardwareTimer Kernel::s_hardware_timers[cpu::NumCores];
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constinit KPageTableSlabHeap Kernel::s_page_table_heap;
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constinit KMemoryBlockSlabHeap Kernel::s_app_memory_block_heap;
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constinit KMemoryBlockSlabHeap Kernel::s_sys_memory_block_heap;
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constinit KBlockInfoSlabHeap Kernel::s_block_info_heap;
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constinit KPageTableManager Kernel::s_app_page_table_manager{util::ConstantInitialize};
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constinit KPageTableManager Kernel::s_sys_page_table_manager{util::ConstantInitialize};
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constinit KMemoryBlockSlabManager Kernel::s_app_memory_block_manager;
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constinit KMemoryBlockSlabManager Kernel::s_sys_memory_block_manager;
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constinit KBlockInfoManager Kernel::s_app_block_info_manager;
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constinit KBlockInfoManager Kernel::s_sys_block_info_manager;
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constinit KSystemResource Kernel::s_app_system_resource{util::ConstantInitialize};
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constinit KSystemResource Kernel::s_sys_system_resource{util::ConstantInitialize};
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namespace {
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template<size_t N> requires (N > 0)
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union KThreadArray {
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struct RecursiveHolder {
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KThread m_thread;
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KThreadArray<N - 1> m_next;
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consteval RecursiveHolder() : m_thread{util::ConstantInitialize}, m_next() { /* ... */ }
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} m_holder;
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KThread m_arr[N];
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consteval KThreadArray() : m_holder() { /* ... */ }
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};
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template<>
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union KThreadArray<1>{
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struct RecursiveHolder {
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KThread m_thread;
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consteval RecursiveHolder() : m_thread{util::ConstantInitialize} { /* ... */ }
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} m_holder;
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KThread m_arr[1];
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consteval KThreadArray() : m_holder() { /* ... */ }
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};
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template<size_t Ix>
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consteval bool IsKThreadArrayValid(const KThreadArray<Ix> &v, const KThread *thread) {
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if (std::addressof(v.m_holder.m_thread) != thread) {
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return false;
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}
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if constexpr (Ix == 1) {
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return true;
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} else {
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return IsKThreadArrayValid(v.m_holder.m_next, thread + 1);
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}
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}
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template<size_t N>
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consteval bool IsKThreadArrayValid() {
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const KThreadArray<N> v{};
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if (!IsKThreadArrayValid(v, v.m_arr)) {
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return false;
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}
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if constexpr (N == 1) {
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return true;
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} else {
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return IsKThreadArrayValid<N - 1>();
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}
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}
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static_assert(IsKThreadArrayValid<cpu::NumCores>());
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constinit KThreadArray<cpu::NumCores> g_main_threads;
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constinit KThreadArray<cpu::NumCores> g_idle_threads;
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static_assert(sizeof(g_main_threads) == cpu::NumCores * sizeof(KThread));
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static_assert(sizeof(g_main_threads.m_holder) == sizeof(g_main_threads.m_arr));
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}
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KThread &Kernel::GetMainThread(s32 core_id) { return g_main_threads.m_arr[core_id]; }
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KThread &Kernel::GetIdleThread(s32 core_id) { return g_idle_threads.m_arr[core_id]; }
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}
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