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[/] [or1k/] [trunk/] [newlib/] [newlib/] [libc/] [sys/] [go32/] [int86x.s] - Blame information for rev 1774

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Line No. Rev Author Line
1 39 lampret
        .data
2
ds:
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        .word   0
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es:
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        .word   0
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fs:
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        .word   0
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gs:
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        .word   0
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        .globl  int86
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int86:
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        .byte   0x2e
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        push    ds
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        pop     %ds
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        .byte   0x2e
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        push    es
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        pop     %es
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        .byte   0x2e
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        push    fs
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        pop     %fs
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        .byte   0x2e
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        push    gs
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        pop     %gs
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        .byte   0xcd
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int86_vec:
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        .byte   0x03
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        ret
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        .text
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        .globl  _int86x
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_int86x:
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        movl    16(%esp), %eax
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        movw    2(%eax), %cx
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        movw    %cx, ds
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        movw    4(%eax), %cx
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        movw    %cx, es
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        movw    6(%eax), %cx
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        movw    %cx, fs
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        movw    8(%eax), %cx
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        movw    %cx, gs
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        jmp     int86_common
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        .globl  _int86
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_int86:
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        movw    %ds, %ax
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        movw    %ax, ds
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        movw    %ax, es
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        movw    %ax, fs
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        movw    %ax, gs
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        jmp     int86_common
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int86_common:
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        pushl   %ebp
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        movl    %esp,%ebp
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        pushl   %ebx
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        pushl   %esi
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        pushl   %edi
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        pushf
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        movl    8(%ebp),%eax
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        movb    %al,int86_vec
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        movl    12(%ebp),%eax
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        movl    4(%eax),%ebx
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        movl    8(%eax),%ecx
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        movl    12(%eax),%edx
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        movl    16(%eax),%esi
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        movl    20(%eax),%edi
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        movl    (%eax),%eax
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        push    %ds
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        push    %es
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        call    int86
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        pop     %es
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        pop     %ds
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        pushf
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        pushl   %eax
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        movl    %esp,%ebp
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        addl    $24,%ebp
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        movl    16(%ebp),%eax
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        popl    (%eax)
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        movl    %ebx,4(%eax)
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        movl    %ecx,8(%eax)
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        movl    %edx,12(%eax)
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        movl    %esi,16(%eax)
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        movl    %edi,20(%eax)
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        popl    %ebx    /* flags */
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        movl    %ebx,28(%eax)
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        andl    $1,%ebx
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        movl    %ebx,24(%eax)
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        movl    (%eax),%eax
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        popf
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        popl    %edi
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        popl    %esi
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        popl    %ebx
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        popl    %ebp
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        ret

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