blob: 988cea2ad58006dba481570f2a688355a5340b0f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
//See LICENSE for license details.
#include <stdint.h>
#include <stdio.h>
#include <unistd.h>
#include "riscv_encoding.h"
#include "n200_func.h"
__attribute__((weak)) uintptr_t handle_nmi()
{
write(1, "nmi\n", 5);
//_exit(1);
return 0;
}
__attribute__((weak)) uintptr_t handle_trap(uintptr_t mcause, uintptr_t sp)
{
if((mcause & 0xFFF) == 0xFFF) {
handle_nmi();
}
write(1, "trap\n", 5);
//printf("In trap handler, the mcause is %d\n", mcause);
//printf("In trap handler, the mepc is 0x%x\n", read_csr(mepc));
//printf("In trap handler, the mtval is 0x%x\n", read_csr(mbadaddr));
//_exit(mcause);
return 0;
}
|