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kern: implement KWorkerTaskManager

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This commit is contained in:
Michael Scire 2020-02-14 02:56:42 -08:00
parent c91386b0fa
commit 5b98426171
5 changed files with 171 additions and 1 deletions
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51
libraries/libmesosphere/include/mesosphere/kern_k_worker_task_manager.hpp Normal file
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@ -0,0 +1,51 @@
/*
* 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_common.hpp>
#include <mesosphere/kern_k_worker_task.hpp>
#include <mesosphere/kern_k_thread.hpp>
namespace ams::kern {
class KWorkerTaskManager {
public:
static constexpr s32 ExitWorkerPriority = 11;
enum WorkerType {
WorkerType_Exit,
WorkerType_Count,
};
private:
KWorkerTask *head_task;
KWorkerTask *tail_task;
KThread *thread;
WorkerType type;
bool active;
private:
static void ThreadFunction(uintptr_t arg);
void ThreadFunctionImpl();
KWorkerTask *GetTask();
void AddTask(KWorkerTask *task);
public:
constexpr KWorkerTaskManager() : head_task(), tail_task(), thread(), type(WorkerType_Count), active() { /* ... */ }
NOINLINE void Initialize(WorkerType wt, s32 priority);
static void AddTask(WorkerType type, KWorkerTask *task);
};
}

7
libraries/libmesosphere/include/mesosphere/kern_kernel.hpp
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@ -20,6 +20,7 @@
#include <mesosphere/kern_k_memory_layout.hpp>
#include <mesosphere/kern_k_memory_manager.hpp>
#include <mesosphere/kern_k_core_local_region.hpp>
#include <mesosphere/kern_k_worker_task_manager.hpp>
namespace ams::kern {
@ -69,6 +70,7 @@ namespace ams::kern {
static KMemoryBlockSlabManager s_sys_memory_block_manager;
static KBlockInfoManager s_block_info_manager;
static KSupervisorPageTable s_supervisor_page_table;
static KWorkerTaskManager s_worker_task_managers[KWorkerTaskManager::WorkerType_Count];
private:
static ALWAYS_INLINE KCoreLocalContext &GetCoreLocalContext() {
return reinterpret_cast<KCoreLocalRegion *>(cpu::GetCoreLocalRegionAddress())->current.context;
@ -135,6 +137,11 @@ namespace ams::kern {
static ALWAYS_INLINE KSupervisorPageTable &GetKernelPageTable() {
return s_supervisor_page_table;
}
static ALWAYS_INLINE KWorkerTaskManager &GetWorkerTaskManager(KWorkerTaskManager::WorkerType type) {
MESOSPHERE_ASSERT(type <= KWorkerTaskManager::WorkerType_Count);
return s_worker_task_managers[type];
}
};
}