blob: 6cccdc652b116f3ac220c34e8e60163e2ff0f206 (
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
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
|
extern idt_exception_handler
extern idt_pic_timer
extern idt_pic_keyboard
extern idt_pic_mouse
extern idt_pic_eoi
global isr_stub_table
%macro ISRErrorStub 1
isr_stub_%+%1:
push dword %1
call idt_exception_handler
pop eax
iret
%endmacro
%macro PICGeneric 1
isr_stub_%+%1:
push dword %1
call idt_pic_eoi
pop eax
iret
%endmacro
%macro PICTimer 1
isr_stub_%+%1:
call idt_pic_timer
push dword %1
call idt_pic_eoi
pop eax
iret
%endmacro
%macro PICKeyboard 1
isr_stub_%+%1:
call idt_pic_keyboard
push dword %1
call idt_pic_eoi
pop eax
iret
%endmacro
%macro PICMouse 1
isr_stub_%+%1:
call idt_pic_mouse
push dword %1
call idt_pic_eoi
pop eax
iret
%endmacro
%macro ISRSyscall 1
isr_stub_%+%1:
push eax
push ebx
push ecx
push edx
call idt_syscall
add esp, 16
pop eax
iret
%endmacro
section .text
align 8
%assign i 0
%rep 32
ISRErrorStub i
%assign i i+1
%endrep
PICTimer 32 ; 0
PICKeyboard 33 ; 1
PICGeneric 34 ; 2
PICGeneric 35 ; 3
PICGeneric 36 ; 4
PICGeneric 37 ; 5
PICGeneric 38 ; 6
PICGeneric 39 ; 7
PICGeneric 40 ; 8
PICGeneric 41 ; 9
PICGeneric 42 ; 10
PICGeneric 43 ; 11
PICMouse 44 ; 12
PICGeneric 45 ; 13
PICGeneric 46 ; 14
PICGeneric 47 ; 15
%assign i 48
%rep 256 - 48
ISRErrorStub i
%assign i i+1
%endrep
section .rodata
align 8
isr_stub_table:
%assign i 0x00
%rep 256
dd isr_stub_%+i
%assign i i+0x01
%endrep
|