129 lines
3.9 KiB
C
129 lines
3.9 KiB
C
/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 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_exc_interaction_pri.h"
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#ifdef LOSCFG_EXC_INTERACTION
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#include "los_task_pri.h"
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#ifdef LOSCFG_SHELL
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#include "shell.h"
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#include "shell_pri.h"
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#endif
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#include "console.h"
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#include "hisoc/uart.h"
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#include "hal_hwi.h"
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/* Inter-module variable and function */
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extern CONSOLE_CB *g_console[];
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#define IS_UARTSHELL_ID(taskID) (((taskID) == shellCB->shellTaskHandle) || \
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((taskID) == shellCB->shellEntryHandle))
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STATIC BOOL IsIdleTask(UINT32 taskID)
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{
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UINT32 i;
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for (i = 0; i < LOSCFG_KERNEL_CORE_NUM; i++) {
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if (taskID == g_percpu[i].idleTaskID) {
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return TRUE;
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}
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}
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return FALSE;
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}
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STATIC BOOL IsSwtTask(UINT32 taskID)
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{
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UINT32 i;
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for (i = 0; i < LOSCFG_KERNEL_CORE_NUM; i++) {
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if (taskID == g_percpu[i].swtmrTaskID) {
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return TRUE;
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}
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}
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return FALSE;
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}
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UINT32 OsExcInteractionTaskCheck(const TSK_INIT_PARAM_S *initParam)
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{
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if (initParam->pfnTaskEntry == (TSK_ENTRY_FUNC)OsIdleTask) {
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return LOS_OK;
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}
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if ((initParam->pfnTaskEntry == (TSK_ENTRY_FUNC)ShellTask) ||
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(initParam->pfnTaskEntry == (TSK_ENTRY_FUNC)ShellEntry)) {
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return LOS_OK;
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}
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return LOS_NOK;
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}
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VOID OsExcInteractionTaskKeep(VOID)
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{
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LosTaskCB *taskCB = NULL;
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UINT32 taskID;
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UINT32 curIrqNum;
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ShellCB *shellCB = NULL;
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CONSOLE_CB *consoleCB = NULL;
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consoleCB = g_console[CONSOLE_SERIAL - 1];
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if (consoleCB == NULL) {
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PRINTK("Serial Shell Uninitialized\n");
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return;
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}
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shellCB = (ShellCB *)(consoleCB->shellHandle);
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g_intCount[ArchCurrCpuid()] = 0;
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for (taskID = 0; taskID < g_taskMaxNum; taskID++) {
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if (taskID == OsCurrTaskGet()->taskID) {
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continue;
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} else if ((IsIdleTask(taskID) == TRUE) || IS_UARTSHELL_ID(taskID)) {
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continue;
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}
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taskCB = OS_TCB_FROM_TID(taskID);
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if (OsTaskIsUnused(taskCB)) {
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continue;
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}
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if (IsSwtTask(taskID) == TRUE) {
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taskCB->taskStatus &= (~OS_TASK_FLAG_SYSTEM_TASK);
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}
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(VOID)LOS_TaskDelete(taskID);
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}
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HalIrqInit();
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HalIrqUnmask(NUM_HAL_INTERRUPT_UART);
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curIrqNum = HalCurIrqGet();
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HalIrqClear(curIrqNum);
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(VOID)LOS_TaskDelete(OsCurrTaskGet()->taskID);
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/* unreachable */
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}
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#endif
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