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Annotation of Gnu-Mach/i386/pc/i16/i16_real_int.S, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Copyright (c) 1995-1994 The University of Utah and
        !             3:  * the Computer Systems Laboratory at the University of Utah (CSL).
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * Permission to use, copy, modify and distribute this software is hereby
        !             7:  * granted provided that (1) source code retains these copyright, permission,
        !             8:  * and disclaimer notices, and (2) redistributions including binaries
        !             9:  * reproduce the notices in supporting documentation, and (3) all advertising
        !            10:  * materials mentioning features or use of this software display the following
        !            11:  * acknowledgement: ``This product includes software developed by the
        !            12:  * Computer Systems Laboratory at the University of Utah.''
        !            13:  *
        !            14:  * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
        !            15:  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
        !            16:  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            17:  *
        !            18:  * CSL requests users of this software to return to [email protected] any
        !            19:  * improvements that they make and grant CSL redistribution rights.
        !            20:  *
        !            21:  *      Author: Bryan Ford, University of Utah CSL
        !            22:  */
        !            23: 
        !            24: #include <mach/machine/asm.h>
        !            25: 
        !            26: #include "pc_asm.h"
        !            27: 
        !            28:        .text
        !            29:        .code16
        !            30: 
        !            31: ENTRY(i16_real_int)
        !            32:        pushf
        !            33:        pushl   %ebx
        !            34:        pushl   %esi
        !            35:        pushl   %edi
        !            36:        pushl   %ebp
        !            37: 
        !            38:        cli
        !            39: 
        !            40:        movl    6*4(%esp),%eax
        !            41:        movb    %al,1f+1
        !            42: 
        !            43:        movl    7*4(%esp),%ebp
        !            44:        movl    RCD_EAX(%ebp),%eax
        !            45:        movl    RCD_EBX(%ebp),%ebx
        !            46:        movl    RCD_ECX(%ebp),%ecx
        !            47:        movl    RCD_EDX(%ebp),%edx
        !            48:        movl    RCD_ESI(%ebp),%esi
        !            49:        movl    RCD_EDI(%ebp),%edi
        !            50:        movw    RCD_DS(%ebp),%ds
        !            51:        movw    RCD_ES(%ebp),%es
        !            52:        /* XXX flags */
        !            53:        movl    RCD_EBP(%ebp),%ebp
        !            54: 
        !            55: 1:     int     $0
        !            56: 
        !            57:        pushl   %ebp
        !            58:        movl    8*4(%esp),%ebp
        !            59:        popl    RCD_EBP(%ebp)
        !            60: 
        !            61:        movl    %eax,RCD_EAX(%ebp)
        !            62:        movl    %ebx,RCD_EBX(%ebp)
        !            63:        movl    %ecx,RCD_ECX(%ebp)
        !            64:        movl    %edx,RCD_EDX(%ebp)
        !            65:        movl    %esi,RCD_ESI(%ebp)
        !            66:        movl    %edi,RCD_EDI(%ebp)
        !            67:        movw    %ds,RCD_DS(%ebp)
        !            68:        movw    %es,RCD_ES(%ebp)
        !            69: 
        !            70:        pushf
        !            71:        popl    %eax
        !            72:        movw    %ax,RCD_FLAGS(%ebp)
        !            73: 
        !            74:        movw    %ss,%ax
        !            75:        movw    %ax,%ds
        !            76:        movw    %ax,%es
        !            77: 
        !            78:        popl    %ebp
        !            79:        popl    %edi
        !            80:        popl    %esi
        !            81:        popl    %ebx
        !            82:        popf
        !            83:        ret
        !            84: 

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