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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
.section .text
.global idt_load
.type idt_load @function
idt_load:
lidt (%rdi)
sti
retq
.size idt_load, . - idt_load
.include "arch/x86_64/savestate.s"
.extern isr_handle
.type __isr_head @function
__isr_head:
pushall
movq %rsp, %rdi
cld
call isr_handle
popall
iretq
.extern __isr_err
.extern __isr_num
.macro defn_isr_err num:req
.type __isr\num @function
__isr\num:
pushq %rbx
movq 8(%rsp), %rbx
movq %rbx, __isr_err
popq %rbx
addq $8, %rsp
movq $\num, __isr_num
jmp __isr_head
.size __isr\num, . - __isr\num
.endm
.macro defn_isr num:req
.type __isr\num @function
__isr\num:
movq $\num, __isr_num
jmp __isr_head
.size __isr\num, . - __isr\num
.endm
.macro decl_isr num:req
.quad __isr\num
.endm
defn_isr 0
defn_isr 1
defn_isr 2
defn_isr 3
defn_isr 4
defn_isr 5
defn_isr 6
defn_isr 7
defn_isr_err 8
defn_isr 9
defn_isr_err 10
defn_isr_err 11
defn_isr_err 12
defn_isr_err 13
defn_isr_err 14
defn_isr 15
defn_isr 16
defn_isr_err 17
defn_isr 18
defn_isr 19
defn_isr 20
defn_isr_err 21
.altmacro
.set i, 22
.rept 256-22
defn_isr %i
.set i, i+1
.endr
.section .data
.global __ivt
.type __ivt @object
__ivt:
.set i, 0
.rept 256
decl_isr %i
.set i, i+1
.endr
.size __ivt, . - __ivt
|
