Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources
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212
ohos/kernel/liteos_m/arch/csky/common/los_common_interrupt.c
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212
ohos/kernel/liteos_m/arch/csky/common/los_common_interrupt.c
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/*
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* Copyright (c) 2023-2023 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_arch_interrupt.h"
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#include "los_debug.h"
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UINT32 volatile g_intCount = 0;
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STATIC UINT32 HwiNumValid(UINT32 num)
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{
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return ((num) >= OS_USER_HWI_MIN) && ((num) <= OS_USER_HWI_MAX);
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}
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UINT32 ArchIntTrigger(HWI_HANDLE_T hwiNum)
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{
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if (!HwiNumValid(hwiNum)) {
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return LOS_ERRNO_HWI_NUM_INVALID;
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}
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HwiControllerOps *hwiOps = ArchIntOpsGet();
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if (hwiOps->triggerIrq == NULL) {
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return OS_ERRNO_HWI_OPS_FUNC_NULL;
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}
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return hwiOps->triggerIrq(hwiNum);
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}
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UINT32 ArchIntEnable(HWI_HANDLE_T hwiNum)
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{
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if (!HwiNumValid(hwiNum)) {
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return LOS_ERRNO_HWI_NUM_INVALID;
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}
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HwiControllerOps *hwiOps = ArchIntOpsGet();
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if (hwiOps->enableIrq == NULL) {
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return OS_ERRNO_HWI_OPS_FUNC_NULL;
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}
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return hwiOps->enableIrq(hwiNum);
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}
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UINT32 ArchIntDisable(HWI_HANDLE_T hwiNum)
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{
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if (!HwiNumValid(hwiNum)) {
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return LOS_ERRNO_HWI_NUM_INVALID;
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}
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HwiControllerOps *hwiOps = ArchIntOpsGet();
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if (hwiOps->disableIrq == NULL) {
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return OS_ERRNO_HWI_OPS_FUNC_NULL;
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}
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return hwiOps->disableIrq(hwiNum);
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}
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UINT32 ArchIntClear(HWI_HANDLE_T hwiNum)
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{
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if (!HwiNumValid(hwiNum)) {
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return LOS_ERRNO_HWI_NUM_INVALID;
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}
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HwiControllerOps *hwiOps = ArchIntOpsGet();
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if (hwiOps->clearIrq == NULL) {
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return OS_ERRNO_HWI_OPS_FUNC_NULL;
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}
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return hwiOps->clearIrq(hwiNum);
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}
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UINT32 ArchIntSetPriority(HWI_HANDLE_T hwiNum, HWI_PRIOR_T priority)
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{
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if (!HwiNumValid(hwiNum)) {
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return LOS_ERRNO_HWI_NUM_INVALID;
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}
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if (!HWI_PRI_VALID(priority)) {
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return OS_ERRNO_HWI_PRIO_INVALID;
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}
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HwiControllerOps *hwiOps = ArchIntOpsGet();
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if (hwiOps->setIrqPriority == NULL) {
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return OS_ERRNO_HWI_OPS_FUNC_NULL;
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}
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return hwiOps->setIrqPriority(hwiNum, priority);
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}
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UINT32 ArchIntCurIrqNum(VOID)
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{
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HwiControllerOps *hwiOps = ArchIntOpsGet();
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return hwiOps->getCurIrqNum();
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}
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/* *
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* @ingroup los_hwi
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* Set interrupt vector table.
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*/
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VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector, VOID *arg)
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{
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UINT32 intSave = LOS_IntLock();
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request_irq(num, vector, arg);
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ArchIntEnable(num);
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LOS_IntRestore(intSave);
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}
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/* ****************************************************************************
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Function : ArchHwiCreate
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Description : create hardware interrupt
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Input : hwiNum --- hwi num to create
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hwiPrio --- priority of the hwi
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hwiMode --- unused
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hwiHandler --- hwi handler
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irqParam --- param of the hwi handler
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Output : None
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Return : LOS_OK on success or error code on failure
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**************************************************************************** */
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LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum, HWI_PRIOR_T hwiPrio,
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HWI_MODE_T hwiMode, HWI_PROC_FUNC hwiHandler,
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HwiIrqParam *irqParam)
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{
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(VOID)hwiMode;
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UINT32 intSave;
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if (hwiHandler == NULL) {
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return OS_ERRNO_HWI_PROC_FUNC_NULL;
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}
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if (hwiNum >= OS_HWI_MAX_NUM) {
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return OS_ERRNO_HWI_NUM_INVALID;
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}
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if (hwiPrio > OS_HWI_PRIO_LOWEST) {
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return OS_ERRNO_HWI_PRIO_INVALID;
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}
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intSave = LOS_IntLock();
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if (irqParam != NULL) {
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OsSetVector(hwiNum, hwiHandler, irqParam->pDevId);
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} else {
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OsSetVector(hwiNum, hwiHandler, NULL);
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}
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HwiControllerOps *hwiOps = ArchIntOpsGet();
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if (hwiOps->createIrq == NULL) {
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LOS_IntRestore(intSave);
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return OS_ERRNO_HWI_OPS_FUNC_NULL;
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}
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hwiOps->createIrq(hwiNum, hwiPrio);
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LOS_IntRestore(intSave);
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return LOS_OK;
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}
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/* ****************************************************************************
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Function : ArchHwiDelete
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Description : Delete hardware interrupt
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Input : hwiNum --- hwi num to delete
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irqParam --- param of the hwi handler
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Output : None
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Return : LOS_OK on success or error code on failure
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**************************************************************************** */
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LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiDelete(HWI_HANDLE_T hwiNum, HwiIrqParam *irqParam)
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{
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(VOID)irqParam;
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UINT32 intSave;
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if (hwiNum >= OS_HWI_MAX_NUM) {
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return OS_ERRNO_HWI_NUM_INVALID;
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}
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ArchIntDisable(hwiNum);
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intSave = LOS_IntLock();
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release_irq(hwiNum);
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LOS_IntRestore(intSave);
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return LOS_OK;
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}
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UINT32 ArchIsIntActive(VOID)
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{
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return (g_intCount > 0);
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}
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121
ohos/kernel/liteos_m/arch/csky/common/los_common_interrupt.h
Normal file
121
ohos/kernel/liteos_m/arch/csky/common/los_common_interrupt.h
Normal file
@@ -0,0 +1,121 @@
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/*
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* Copyright (c) 2023-2023 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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#ifndef _LOS_COMMON_INTERRUPT_H
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#define _LOS_COMMON_INTERRUPT_H
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#include "los_config.h"
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#include "los_compiler.h"
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#include "los_interrupt.h"
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#include "los_error.h"
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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/* *
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* @ingroup los_arch_interrupt
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* Define the type of a hardware interrupt vector table function.
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*/
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typedef VOID (**HWI_VECTOR_FUNC)(VOID);
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/* *
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* @ingroup los_arch_interrupt
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* Count of interrupts.
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*/
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extern volatile UINT32 g_intCount;
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/* *
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* @ingroup los_arch_interrupt
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* Maximum number of used hardware interrupts.
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*/
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#ifndef OS_HWI_MAX_NUM
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#define OS_HWI_MAX_NUM LOSCFG_PLATFORM_HWI_LIMIT
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#endif
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#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
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typedef struct {
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HWI_PROC_FUNC pfnHandler;
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VOID *pParm;
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} HWI_HANDLER_FUNC;
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/* *
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* @ingroup los_arch_interrupt
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* Set interrupt vector table.
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*/
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extern VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector, VOID *arg);
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extern HWI_HANDLER_FUNC g_hwiHandlerForm[];
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#else
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/* *
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* @ingroup los_arch_interrupt
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* Set interrupt vector table.
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*/
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extern VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector);
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extern HWI_PROC_FUNC g_hwiHandlerForm[];
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#endif
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#define OS_EXC_IN_INIT 0
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#define OS_EXC_IN_TASK 1
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#define OS_EXC_IN_HWI 2
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#define OS_EXC_FLAG_FAULTADDR_VALID 0x01
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#define OS_EXC_IMPRECISE_ACCESS_ADDR 0xABABABAB
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/* *
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* @ingroup los_arch_interrupt
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* @brief: Default vector handling function.
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*
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* @par Description:
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* This API is used to configure interrupt for null function.
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*
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* @attention:
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* <ul><li>None.</li></ul>
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*
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* @param:None.
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*
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* @retval:None.
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* @par Dependency:
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* <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
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* @see None.
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*/
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extern VOID HalHwiDefaultHandler(VOID);
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VOID HalPreInterruptHandler(UINT32 arg);
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VOID HalAftInterruptHandler(UINT32 arg);
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VOID *ArchGetHwiFrom(VOID);
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#endif /* _LOS_COMMON_INTERRUPT_H */
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