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33 lines
699 B
33 lines
699 B
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021/04/24 Juice The first version
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*/
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#include <rthw.h>
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#include <board.h>
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typedef void (*irq_handler_t)(void);
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extern const irq_handler_t isrTable[];
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uintptr_t handle_trap(uintptr_t mcause, uintptr_t epc, uintptr_t *sp)
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{
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uint32_t intNum;
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if (mcause & 0x80000000) /* For external interrupt. */
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{
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}
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else
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{
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intNum = mcause & 0x1FUL;
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/* Now call the real irq handler for intNum */
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if (intNum <= 24)
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{
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if (isrTable[intNum])isrTable[intNum]();
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}
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}
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}
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