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comparison cos/kernel/asmcode.asm @ 14:a58904747019

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Added asm interrupt handler things, not yet working
author windel
date Mon, 14 Nov 2011 22:45:55 +0100
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children f3e3e0e9c4bc
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13:d07d4701a103 14:a58904747019
1 ; The default interrupt handlers.
2 ; from 20 - 31 are reserved vectors.
3 ; below are the custom ones!
4
5 section .text
6 align 4
7
8 ; Port helpers:
9 global outb
10 outb:
11 mov eax, [esp + 8]
12 mov edx, [esp + 4]
13 out dx, al
14 ret
15
16 global inb
17 inb:
18 xor eax, eax
19 mov edx, [esp + 4]
20 in al, dx
21 ret
22
23 ; Helper functions:
24 global enableinterrupts
25 enableinterrupts:
26 sti
27 ret
28
29 global halt
30 halt:
31 cli
32 hlt
33
34 global loadIDT
35 loadIDT:
36 ret
37
38 ; Define macro with two arguments:
39 %macro INTX 2
40 global %1
41 %1:
42 ; Do some saving:
43 extern %2
44 call %2
45 ; Do restoration
46 iret
47
48 %endmacro
49
50 ; Exception handlers:
51 INTX INTDEF, INTDEF_handler
52 INTX INT0, INT0handler
53 INTX INT1, INT1handler
54 INTX INT2, INT2handler
55 INTX INT3, INT3handler
56 INTX INT4, INT4handler
57 INTX INT5, INT5handler
58 INTX INT6, INT6handler
59 INTX INT7, INT7handler
60 INTX INT8, INT8handler
61 INTX INT9, INT9handler
62 INTX INT10, INT10handler
63 INTX INT11, INT11handler
64 INTX INT12, INT12handler
65 INTX INT13, INT13handler
66 INTX INT14, INT14handler
67 INTX INT15, INT15handler
68 INTX INT16, INT16handler
69 INTX INT17, INT17handler
70 INTX INT18, INT18handler
71 INTX INT19, INT19handler
72
73 INTX INT32, INT32handler
74 INTX INT33, INT33handler
75 INTX INT34, INT34handler
76