79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
/*
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* Copyright (c) CompanyNameMagicTag 2012-2019. All rights reserved.
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* Description: soc_os_isr.c
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*/
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#include <soc_types_rom.h>
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#include <los_hwi.h>
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#include <soc_mdm_isr.h>
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#include <errno.h>
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extern td_u32 g_int_enable_status;
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/*
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* 中断注册补丁函数
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* 调整优先级，支持看门狗优先级高于其他中断，用于定位中断中死循环问题
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*/
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__hot td_u32 uapi_irq_request_patch(td_u32 vector, td_u16 priority, lisr_proc_func routine, td_u32 param)
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{
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td_u32 ret = LOS_OK;
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td_u16 pri = 2;
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if (TD_NULL == routine) {
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return EXT_ROM_ERR_ISR_INVALID_PARAM;
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}
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if (vector == WatchDog_IRQn) {
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pri = 1;
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}
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ret = LOS_HwiCreate(vector, pri, 0, (HWI_PROC_FUNC)routine, param);
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if (LOS_OK != ret) {
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return EXT_ROM_ERR_ISR_REQ_IRQ_FAIL;
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} else { /* LOS_HwiCreate中有调用NVIC_EnableIRQ，所以此处记录 */
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g_int_enable_status |= 1 << vector;
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}
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return EXT_ROM_ERR_SUCCESS;
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}
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#pragma GCC diagnostic pop
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__hot td_u32 uapi_irq_free_patch(td_u32 vector)
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{
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td_u32 ret = LOS_OK;
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/* los接口内判断了vector合法性 */
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ret = LOS_HwiDelete(vector);
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if (LOS_OK != ret) {
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return EXT_ROM_ERR_ISR_DEL_IRQ_FAIL;
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} else {
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g_int_enable_status &= ~(1 << vector);
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}
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return EXT_ROM_ERR_SUCCESS;
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}
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__hot td_void uapi_irq_enable_patch(td_u32 vector)
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{
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td_u32 int_val;
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if (vector >= OS_HWI_MAX_NUM) {
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return;
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}
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int_val = LOS_IntLock();
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g_int_enable_status |= 1 << vector;
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NVIC_EnableIRQ((IRQn_Type)vector);
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LOS_IntRestore(int_val);
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}
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__hot td_void uapi_irq_disable_patch(td_u32 vector)
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{
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td_u32 int_val;
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if (vector >= OS_HWI_MAX_NUM) {
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return;
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}
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int_val = LOS_IntLock();
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g_int_enable_status &= ~(1 << vector);
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NVIC_DisableIRQ((IRQn_Type)vector);
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LOS_IntRestore(int_val);
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}
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