OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [newlib-1.10.0/] [newlib/] [libc/] [sys/] [go32/] [int86x.s] - Blame information for rev 1010

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 1010 ivang 
        .data
2 
ds:
3 
        .word   0
4 
es:
5 
        .word   0
6 
fs:
7 
        .word   0
8 
gs:
9 
        .word   0
10 
 
11 
        .globl  int86
12 
int86:
13 
        .byte   0x2e
14 
        push    ds
15 
        pop     %ds
16 
        .byte   0x2e
17 
        push    es
18 
        pop     %es
19 
        .byte   0x2e
20 
        push    fs
21 
        pop     %fs
22 
        .byte   0x2e
23 
        push    gs
24 
        pop     %gs
25 
 
26 
        .byte   0xcd
27 
int86_vec:
28 
        .byte   0x03
29 
        ret
30 
 
31 
        .text
32 
        .globl  _int86x
33 
_int86x:
34 
        movl    16(%esp), %eax
35 
 
36 
        movw    2(%eax), %cx
37 
        movw    %cx, ds
38 
        movw    4(%eax), %cx
39 
        movw    %cx, es
40 
        movw    6(%eax), %cx
41 
        movw    %cx, fs
42 
        movw    8(%eax), %cx
43 
        movw    %cx, gs
44 
 
45 
        jmp     int86_common
46 
 
47 
        .globl  _int86
48 
_int86:
49 
        movw    %ds, %ax
50 
        movw    %ax, ds
51 
        movw    %ax, es
52 
        movw    %ax, fs
53 
        movw    %ax, gs
54 
        jmp     int86_common
55 
 
56 
int86_common:
57 
        pushl   %ebp
58 
        movl    %esp,%ebp
59 
        pushl   %ebx
60 
        pushl   %esi
61 
        pushl   %edi
62 
        pushf
63 
 
64 
        movl    8(%ebp),%eax
65 
        movb    %al,int86_vec
66 
 
67 
        movl    12(%ebp),%eax
68 
        movl    4(%eax),%ebx
69 
        movl    8(%eax),%ecx
70 
        movl    12(%eax),%edx
71 
        movl    16(%eax),%esi
72 
        movl    20(%eax),%edi
73 
        movl    (%eax),%eax
74 
 
75 
        push    %ds
76 
        push    %es
77 
        call    int86
78 
        pop     %es
79 
        pop     %ds
80 
 
81 
        pushf
82 
        pushl   %eax
83 
        movl    %esp,%ebp
84 
        addl    $24,%ebp
85 
        movl    16(%ebp),%eax
86 
        popl    (%eax)
87 
        movl    %ebx,4(%eax)
88 
        movl    %ecx,8(%eax)
89 
        movl    %edx,12(%eax)
90 
        movl    %esi,16(%eax)
91 
        movl    %edi,20(%eax)
92 
        popl    %ebx    /* flags */
93 
        movl    %ebx,28(%eax)
94 
        andl    $1,%ebx
95 
        movl    %ebx,24(%eax)
96 
        movl    (%eax),%eax
97 
 
98 
        popf
99 
        popl    %edi
100 
        popl    %esi
101 
        popl    %ebx
102 
        popl    %ebp
103 
        ret

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.