127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
/*
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* Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "los_task.h"
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#include "securec.h"
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#include "los_config.h"
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#include "los_debug.h"
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#include "los_hook.h"
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#include "los_interrupt.h"
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#include "los_memory.h"
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#include "los_mpu.h"
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#include "los_sched.h"
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#include "los_mux.h"
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#include "los_sem.h"
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#include "los_timer.h"
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#include "los_arch_context.h"
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#include "los_box.h"
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#include "los_syscall.h"
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int SysUserTaskCreate(unsigned long entry, unsigned long userArea, unsigned long userSp, BOOL joinable)
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{
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UINT32 ret, taskID;
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TSK_INIT_PARAM_S taskInitParam = { 0 };
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taskInitParam.pfnTaskEntry = (TSK_ENTRY_FUNC)entry;
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taskInitParam.uwStackSize = 0x1000;
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taskInitParam.pcName = "UserTask";
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taskInitParam.usTaskPrio = OS_TASK_PRIORITY_LOWEST;
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taskInitParam.stackAddr = userSp;
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if (joinable) {
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taskInitParam.uwResved |= LOS_TASK_ATTR_JOINABLE;
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}
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ret = LOS_TaskCreateOnly(&taskID, &taskInitParam);
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if (ret != LOS_OK) {
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return -EINVAL;
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}
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OsUserTaskInit(taskID, entry, userArea, userSp);
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return taskID;
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}
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int SysSchedSetScheduler(unsigned int tid, int policy, int priority)
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{
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if ((tid == 0) || (tid > LOSCFG_BASE_CORE_TSK_LIMIT)) {
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return EINVAL;
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}
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if (policy != 0) {
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return EINVAL;
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}
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if ((priority <= 0) || (priority > OS_TASK_PRIORITY_LOWEST)) {
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return EINVAL;
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}
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UINT32 ret = LOS_TaskPriSet((UINT32)tid, (UINT16)priority);
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if (ret != LOS_OK) {
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return EINVAL;
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}
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return 0;
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}
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int *SysSchedGetArea(unsigned int tid)
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{
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unsigned int intSave;
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int *area = NULL;
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if ((tid == 0) || (tid > LOSCFG_BASE_CORE_TSK_LIMIT)) {
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return NULL;
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}
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intSave = LOS_IntLock();
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area = (int *)OsGetUserTaskCB(tid)->userArea;
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LOS_IntRestore(intSave);
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return area;
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}
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int SysSetThreadArea(const char *area)
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{
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unsigned int intSave;
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intSave = LOS_IntLock();
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LosTaskCB *runTask = g_losTask.runTask;
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OsGetUserTaskCB(runTask->taskID)->userArea = (unsigned long)(uintptr_t)area;
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LOS_IntRestore(intSave);
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return 0;
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}
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char *SysGetThreadArea(void)
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{
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unsigned int intSave;
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char *area = NULL;
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intSave = LOS_IntLock();
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LosTaskCB *runTask = g_losTask.runTask;
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area = (char *)OsGetUserTaskCB(runTask->taskID)->userArea;
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LOS_IntRestore(intSave);
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return area;
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}
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