mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-18 17:11:23 +00:00
90 lines
2.7 KiB
C++
90 lines
2.7 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 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_select_cpu.hpp>
|
|
|
|
namespace ams::kern {
|
|
|
|
class KThread;
|
|
class KProcess;
|
|
class KScheduler;
|
|
class KInterruptTaskManager;
|
|
|
|
struct KCurrentContext {
|
|
std::atomic<KThread *> current_thread;
|
|
std::atomic<KProcess *> current_process;
|
|
KScheduler *scheduler;
|
|
KInterruptTaskManager *interrupt_task_manager;
|
|
s32 core_id;
|
|
void *exception_stack_bottom;
|
|
};
|
|
static_assert(std::is_pod<KCurrentContext>::value);
|
|
static_assert(sizeof(KCurrentContext) <= cpu::DataCacheLineSize);
|
|
|
|
namespace impl {
|
|
|
|
ALWAYS_INLINE KCurrentContext &GetCurrentContext() {
|
|
return *reinterpret_cast<KCurrentContext *>(cpu::GetCoreLocalRegionAddress());
|
|
}
|
|
|
|
}
|
|
|
|
ALWAYS_INLINE KThread *GetCurrentThreadPointer() {
|
|
return impl::GetCurrentContext().current_thread.load(std::memory_order_relaxed);
|
|
}
|
|
|
|
ALWAYS_INLINE KThread &GetCurrentThread() {
|
|
return *GetCurrentThreadPointer();
|
|
}
|
|
|
|
ALWAYS_INLINE KProcess *GetCurrentProcessPointer() {
|
|
return impl::GetCurrentContext().current_process.load(std::memory_order_relaxed);
|
|
}
|
|
|
|
ALWAYS_INLINE KProcess &GetCurrentProcess() {
|
|
return *GetCurrentProcessPointer();
|
|
}
|
|
|
|
ALWAYS_INLINE KScheduler *GetCurrentSchedulerPointer() {
|
|
return impl::GetCurrentContext().scheduler;
|
|
}
|
|
|
|
ALWAYS_INLINE KScheduler &GetCurrentScheduler() {
|
|
return *GetCurrentSchedulerPointer();
|
|
}
|
|
|
|
ALWAYS_INLINE KInterruptTaskManager *GetCurrentInterruptTaskManagerPointer() {
|
|
return impl::GetCurrentContext().interrupt_task_manager;
|
|
}
|
|
|
|
ALWAYS_INLINE KInterruptTaskManager &GetCurrentInterruptTaskManager() {
|
|
return *GetCurrentInterruptTaskManagerPointer();
|
|
}
|
|
|
|
ALWAYS_INLINE s32 GetCurrentCoreId() {
|
|
return impl::GetCurrentContext().core_id;
|
|
}
|
|
|
|
ALWAYS_INLINE void SetCurrentThread(KThread *new_thread) {
|
|
impl::GetCurrentContext().current_thread = new_thread;
|
|
}
|
|
|
|
ALWAYS_INLINE void SetCurrentProcess(KProcess *new_process) {
|
|
impl::GetCurrentContext().current_process = new_process;
|
|
}
|
|
|
|
}
|