51 lines
874 B
C
51 lines
874 B
C
/*
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* Copyright (C) 2017-2019 Alibaba Group Holding Limited
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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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* 2020-08-20 zx.chen source file for the trap process
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <csi_config.h>
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#include <csi_core.h>
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void (*trap_c_callback)(void);
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void trap_c(uint32_t *regs)
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{
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int i;
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uint32_t vec = 0;
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vec = __get_MCAUSE() & 0x3FF;
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printf("CPU Exception: NO.%ld", vec);
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printf("\n");
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for (i = 0; i < 31; i++)
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{
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printf("x%d: %08lx\t", i + 1, regs[i]);
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if ((i % 4) == 3)
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{
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printf("\n");
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}
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}
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printf("\n");
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printf("mepc : %08lx\n", regs[31]);
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printf("mstatus: %08lx\n", regs[32]);
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if (trap_c_callback)
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{
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trap_c_callback();
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}
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while (1);
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}
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