Mercurial > lcfOS

comparison cos/kernel/asmcode.asm @ 18:6129643f5c34

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fixed interrupt issue, ds, es, ss, fs and gs were not initialized to 0
author windel
date Sun, 20 Nov 2011 20:35:51 +0100
parents f3e3e0e9c4bc
children 66e9c332c845
comparison
equal deleted inserted replaced
17:f3e3e0e9c4bc 18:6129643f5c34
2 ; from 20 - 31 are reserved vectors. 2 ; from 20 - 31 are reserved vectors.
3 ; below are the custom ones! 3 ; below are the custom ones!
4 4
5 section .text 5 section .text
6 align 4 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 7
23 global halt 8 global halt
24 halt: 9 halt:
25 cli 10 cli
26 hlt 11 hlt
61 ; Define macro with two arguments: 46 ; Define macro with two arguments:
62 %macro INTX 2 47 %macro INTX 2
63 global %1 48 global %1
64 %1: 49 %1:
65 ; Do some saving: 50 ; Do some saving:
51 cli
66 pushAll 52 pushAll
53 ;xchg bx,bx
54
67 extern %2 55 extern %2
68 call %2 56 call %2
69 ; Do restoration 57 ; Do restoration
70 popAll 58 popAll
59 ;xchg bx, bx
60 sti
71 iretq 61 iretq
72 62
73 %endmacro 63 %endmacro
74 64
75 ; Exception handlers: 65 ; Exception handlers: