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33 lines
640 B
33 lines
640 B
3 years ago
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//See LICENSE for license details.
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#include <stdint.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "riscv_encoding.h"
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#include "n200_func.h"
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__attribute__((weak)) uintptr_t handle_nmi()
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{
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write(1, "nmi\n", 5);
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_exit(1);
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return 0;
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}
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__attribute__((weak)) uintptr_t handle_trap(uintptr_t mcause, uintptr_t sp)
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{
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if((mcause & 0xFFF) == 0xFFF) {
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handle_nmi();
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}
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write(1, "trap\n", 5);
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//printf("In trap handler, the mcause is %d\n", mcause);
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//printf("In trap handler, the mepc is 0x%x\n", read_csr(mepc));
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//printf("In trap handler, the mtval is 0x%x\n", read_csr(mbadaddr));
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_exit(mcause);
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return 0;
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}
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