-
Notifications
You must be signed in to change notification settings - Fork 0
/
exc.c
66 lines (51 loc) · 1.39 KB
/
exc.c
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
#include "csr.h"
#include "proc.h"
#include "proto.h"
extern void trap_entry(void);
void init_trap()
{
csr_write(stvec, (reg_t)&trap_entry);
csr_write(sie, -1);
}
void do_trap_unknown(int in_kernel, struct proc* p)
{
printk("unknown trap\n");
}
void do_trap_insn_misaligned(int in_kernel, struct proc* p)
{
printk("insn misaligned\n");
}
void do_trap_insn_fault(int in_kernel, struct proc* p)
{
printk("insn fault\n");
}
void do_trap_insn_illegal(int in_kernel, struct proc* p)
{
printk("insn illegal\n");
}
void do_trap_break(int in_kernel, struct proc* p) { printk("break\n"); }
void do_trap_load_misaligned(int in_kernel, struct proc* p)
{
printk("load misaligned\n");
}
void do_trap_load_fault(int in_kernel, struct proc* p)
{
printk("load fault\n");
}
void do_trap_store_misaligned(int in_kernel, struct proc* p)
{
printk("store misaligned\n");
}
void do_trap_store_fault(int in_kernel, struct proc* p)
{
printk("store fault\n");
}
void do_trap_ecall_u(int in_kernel, struct proc* p) { printk("ecall u\n"); }
void do_trap_ecall_s(int in_kernel, struct proc* p) { printk("ecall s\n"); }
void do_trap_ecall_m(int in_kernel, struct proc* p) { printk("ecall m\n"); }
void do_page_fault(int in_kernel, struct proc* p)
{
// printk("page fault %d %x %lx %lx\n", in_kernel, p->regs.scause,
// p->regs.sbadaddr, p->regs.sepc);
printk("page fault\n");
}