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kernel/liteos_m/arch/include/los_interrupt.h
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179
kernel/liteos_m/arch/include/los_interrupt.h
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/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2023 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_INTERRUPT_H
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#define _LOS_INTERRUPT_H
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#include "los_config.h"
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#include "los_compiler.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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typedef UINT32 HWI_HANDLE_T;
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typedef UINT16 HWI_PRIOR_T;
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typedef UINT16 HWI_MODE_T;
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typedef UINT32 HWI_ARG_T;
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#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
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typedef VOID (*HWI_PROC_FUNC)(VOID *parm);
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#else
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typedef VOID (*HWI_PROC_FUNC)(void);
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#endif
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typedef struct tagIrqParam {
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int swIrq; /**< The interrupt number */
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VOID *pDevId; /**< The pointer to the device ID that launches the interrupt */
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const CHAR *pName; /**< The interrupt name */
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} HwiIrqParam;
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typedef struct {
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UINT32 (*triggerIrq)(HWI_HANDLE_T hwiNum);
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UINT32 (*clearIrq)(HWI_HANDLE_T hwiNum);
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UINT32 (*enableIrq)(HWI_HANDLE_T hwiNum);
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UINT32 (*disableIrq)(HWI_HANDLE_T hwiNum);
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UINT32 (*setIrqPriority)(HWI_HANDLE_T hwiNum, UINT8 priority);
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UINT32 (*getCurIrqNum)(VOID);
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UINT32 (*createIrq)(HWI_HANDLE_T hwiNum, HWI_PRIOR_T hwiPrio);
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} HwiControllerOps;
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/* stack protector */
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extern UINT32 __stack_chk_guard;
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extern VOID __stack_chk_fail(VOID);
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#if (LOSCFG_DEBUG_TOOLS == 1)
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extern UINT32 OsGetHwiFormCnt(UINT32 index);
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extern CHAR *OsGetHwiFormName(UINT32 index);
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extern BOOL OsHwiIsCreated(UINT32 index);
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#endif
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/**
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* @ingroup los_interrupt
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* @brief Delete hardware interrupt.
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*
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* @par Description:
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* This API is used to delete hardware interrupt.
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*
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* @attention
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* <ul>
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* <li>The hardware interrupt module is usable only when the configuration item for hardware
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* interrupt tailoring is enabled.</li>
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* <li>Hardware interrupt number value range: [OS_USER_HWI_MIN,OS_USER_HWI_MAX]. The value range
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* applicable for a Cortex-A7 platform is [32,95].</li>
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* <li>OS_HWI_MAX_NUM specifies the maximum number of interrupts that can be created.</li>
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* <li>Before executing an interrupt on a platform, refer to the chip manual of the platform.</li>
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* </ul>
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*
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* @param hwiNum [IN] Type#HWI_HANDLE_T: hardware interrupt number. The value range applicable
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* for a Cortex-A7 platform is [32,95].
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* @param irqParam [IN] Type #HwiIrqParam *. ID of hardware interrupt which will base on
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* when delete the hardware interrupt.
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* @retval #OS_ERRNO_HWI_NUM_INVALID 0x02000900: Invalid interrupt number.
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* @retval #LOS_OK 0 : The interrupt is successfully delete.
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* @par Dependency:
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* <ul><li>los_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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UINT32 ArchHwiDelete(HWI_HANDLE_T hwiNum, HwiIrqParam *irqParam);
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/**
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* @ingroup los_interrupt
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* @brief Create a hardware interrupt.
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*
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* @par Description:
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* This API is used to configure a hardware interrupt and register a hardware interrupt handling function.
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*
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* @attention
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* <ul>
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* <li>The hardware interrupt module is usable only when the configuration item for hardware
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* interrupt tailoring is enabled.</li>
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* <li>Hardware interrupt number value range: [OS_USER_HWI_MIN,OS_USER_HWI_MAX]. The value range
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* applicable for a Cortex-A7 platform is [32,95].</li>
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* <li>OS_HWI_MAX_NUM specifies the maximum number of interrupts that can be created.</li>
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* <li>Before executing an interrupt on a platform, refer to the chip manual of the platform.</li>
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* </ul>
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*
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* @param hwiNum [IN] Type#HWI_HANDLE_T: hardware interrupt number. The value range applicable for a
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* Cortex-A7 platform is [32,95].
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* @param hwiPrio [IN] Type#HWI_PRIOR_T: hardware interrupt priority. Ignore this parameter temporarily.
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* @param mode [IN] Type#HWI_MODE_T: hardware interrupt mode. Ignore this parameter temporarily.
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* @param handler [IN] Type#HWI_PROC_FUNC: interrupt handler used when a hardware interrupt is triggered.
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* @param irqParam [IN] Type#HwiIrqParam: input parameter of the interrupt
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* handler used when a hardware interrupt is triggered.
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*
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* @retval #OS_ERRNO_HWI_PROC_FUNC_NULL 0x02000901: Null hardware interrupt handling function.
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* @retval #OS_ERRNO_HWI_NUM_INVALID 0x02000900: Invalid interrupt number.
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* @retval #OS_ERRNO_HWI_NO_MEMORY 0x02000903: Insufficient memory for hardware interrupt creation.
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* @retval #OS_ERRNO_HWI_ALREADY_CREATED 0x02000904: The interrupt handler being created has
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* already been created.
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* @retval #LOS_OK 0 : The interrupt is successfully created.
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* @par Dependency:
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* <ul><li>los_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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UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum, HWI_PRIOR_T hwiPrio, HWI_MODE_T mode,
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HWI_PROC_FUNC handler, HwiIrqParam *irqParam);
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UINT32 ArchIsIntActive(VOID);
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UINT32 ArchIntLock(VOID);
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UINT32 ArchIntUnLock(VOID);
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VOID ArchIntRestore(UINT32 intSave);
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UINT32 ArchIntTrigger(HWI_HANDLE_T hwiNum);
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UINT32 ArchIntEnable(HWI_HANDLE_T hwiNum);
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UINT32 ArchIntDisable(HWI_HANDLE_T hwiNum);
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UINT32 ArchIntClear(HWI_HANDLE_T hwiNum);
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UINT32 ArchIntSetPriority(HWI_HANDLE_T hwiNum, HWI_PRIOR_T priority);
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UINT32 ArchIntCurIrqNum(VOID);
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HwiControllerOps *ArchIntOpsGet(VOID);
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#define OS_INT_ACTIVE (ArchIsIntActive())
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#define OS_INT_INACTIVE (!(OS_INT_ACTIVE))
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#define LOS_IntLock ArchIntLock
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#define LOS_IntRestore ArchIntRestore
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#define LOS_IntUnLock ArchIntUnLock
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#define LOS_HwiDelete ArchHwiDelete
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#define LOS_HwiCreate ArchHwiCreate
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#define LOS_HwiTrigger ArchIntTrigger
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#define LOS_HwiEnable ArchIntEnable
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#define LOS_HwiDisable ArchIntDisable
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#define LOS_HwiClear ArchIntClear
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#define LOS_HwiSetPriority ArchIntSetPriority
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#define LOS_HwiCurIrqNum ArchIntCurIrqNum
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#define LOS_HwiOpsGet ArchIntOpsGet
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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_INTERRUPT_H */
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