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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
.section .text
.macro isr_err_stub num
.global isr_stub_\num
.type isr_stub_\num, @function
isr_stub_\num:
cli
pushl $\num
jmp isr_frame_asm
.endm
.macro isr_no_err_stub num
.global isr_stub_\num
.type isr_stub_\num, @function
isr_stub_\num:
cli
pushl $0
pushl $\num
jmp isr_frame_asm
.endm
.macro irq_stub num
.global irq_stub_\num
.type irq_stub_\num, @function
irq_stub_\num:
cli
pushl $0
pushl $\num+32
jmp isr_frame_asm
.endm
.global syscall_stub
syscall_stub:
cli
pushl $0
pushl $0x80
jmp isr_frame_asm
isr_frame_asm:
pushl %eax
pushl %ebx
pushl %ecx
pushl %edx
pushl %esi
pushl %edi
movl %cr0, %eax
pushl %eax
movl %cr2, %eax
pushl %eax
movl %cr3, %eax
pushl %eax
movl %cr4, %eax
pushl %eax
pushl %esp
call set_kernel_esp
addl $4, %esp
cld
call interrupt_handler
popl %eax
movl %eax, %cr4
popl %eax
movl %eax, %cr3
popl %eax
movl %eax, %cr2
popl %eax
movl %eax, %cr0
popl %edi
popl %esi
popl %edx
popl %ecx
popl %ebx
popl %eax
addl $8, %esp
iret
isr_no_err_stub 0
isr_no_err_stub 1
isr_no_err_stub 2
isr_no_err_stub 3
isr_no_err_stub 4
isr_no_err_stub 5
isr_no_err_stub 6
isr_no_err_stub 7
isr_err_stub 8
isr_no_err_stub 9
isr_err_stub 10
isr_err_stub 11
isr_err_stub 12
isr_err_stub 13
isr_err_stub 14
isr_no_err_stub 15
isr_no_err_stub 16
isr_err_stub 17
isr_no_err_stub 18
isr_no_err_stub 19
isr_no_err_stub 20
isr_err_stub 21
isr_no_err_stub 22
isr_no_err_stub 23
isr_no_err_stub 24
isr_no_err_stub 25
isr_no_err_stub 26
isr_no_err_stub 27
isr_no_err_stub 28
isr_err_stub 29
isr_err_stub 30
isr_no_err_stub 31
irq_stub 0
irq_stub 1
irq_stub 2
irq_stub 3
irq_stub 4
irq_stub 5
irq_stub 6
irq_stub 7
irq_stub 8
irq_stub 9
irq_stub 10
irq_stub 11
irq_stub 12
irq_stub 13
irq_stub 14
irq_stub 15
|