mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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68 lines
3.0 KiB
C++
68 lines
3.0 KiB
C++
/*
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* Copyright (c) 2018-2020 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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void Kernel::InitializeCoreLocalRegion(s32 core_id) {
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/* Construct the core local region object in place. */
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KCoreLocalContext *clc = GetPointer<KCoreLocalContext>(KMemoryLayout::GetCoreLocalRegionAddress());
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new (clc) KCoreLocalContext;
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/* Set the core local region address into the global register. */
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cpu::SetCoreLocalRegionAddress(reinterpret_cast<uintptr_t>(clc));
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/* Initialize current context. */
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clc->current.current_thread = nullptr;
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clc->current.current_process = nullptr;
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clc->current.scheduler = std::addressof(clc->scheduler);
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clc->current.interrupt_task_manager = std::addressof(clc->interrupt_task_manager);
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clc->current.core_id = core_id;
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clc->current.exception_stack_bottom = GetVoidPointer(KMemoryLayout::GetExceptionStackBottomAddress(core_id));
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/* Clear debugging counters. */
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clc->num_sw_interrupts = 0;
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clc->num_hw_interrupts = 0;
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clc->num_svc = 0;
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clc->num_process_switches = 0;
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clc->num_thread_switches = 0;
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clc->num_fpu_switches = 0;
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for (size_t i = 0; i < util::size(clc->perf_counters); i++) {
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clc->perf_counters[i] = 0;
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}
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}
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void Kernel::InitializeMainAndIdleThreads(s32 core_id) {
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/* This function wants to setup the main thread and the idle thread. */
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KThread *main_thread = std::addressof(Kernel::GetMainThread(core_id));
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void *main_thread_stack = GetVoidPointer(KMemoryLayout::GetMainStackTopAddress(core_id));
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KThread *idle_thread = std::addressof(Kernel::GetIdleThread(core_id));
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void *idle_thread_stack = GetVoidPointer(KMemoryLayout::GetIdleStackTopAddress(core_id));
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KAutoObject::Create(main_thread);
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KAutoObject::Create(idle_thread);
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main_thread->Initialize(nullptr, 0, main_thread_stack, 0, KThread::MainThreadPriority, core_id, nullptr, KThread::ThreadType_Main);
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idle_thread->Initialize(nullptr, 0, idle_thread_stack, 0, KThread::IdleThreadPriority, core_id, nullptr, KThread::ThreadType_Main);
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/* Set the current thread to be the main thread, and we have no processes running yet. */
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SetCurrentThread(main_thread);
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SetCurrentProcess(nullptr);
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/* TODO: We also want to initialize the scheduler/interrupt manager/hardware timer. */
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}
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}
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