Return to boot2.s CVS log

Up to [Net/2] / Net2 / arch / i386 / boot

Annotation of Net2/arch/i386/boot/boot2.s, revision 1.1

1.1     ! root        1: /*
        !             2:  * Ported to boot 386BSD by Julian Elischer ([email protected]) Sept 1992
        !             3:  *
        !             4:  * Mach Operating System
        !             5:  * Copyright (c) 1992, 1991 Carnegie Mellon University
        !             6:  * All Rights Reserved.
        !             7:  * 
        !             8:  * Permission to use, copy, modify and distribute this software and its
        !             9:  * documentation is hereby granted, provided that both the copyright
        !            10:  * notice and this permission notice appear in all copies of the
        !            11:  * software, derivative works or modified versions, and any portions
        !            12:  * thereof, and that both notices appear in supporting documentation.
        !            13:  * 
        !            14:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            15:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            16:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            17:  * 
        !            18:  * Carnegie Mellon requests users of this software to return to
        !            19:  * 
        !            20:  *  Software Distribution Coordinator  or  [email protected]
        !            21:  *  School of Computer Science
        !            22:  *  Carnegie Mellon University
        !            23:  *  Pittsburgh PA 15213-3890
        !            24:  * 
        !            25:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            26:  * the rights to redistribute these changes.
        !            27:  */
        !            28: 
        !            29: /*
        !            30:  * HISTORY
        !            31:  * $Log: boot2.S,v $
        !            32:  * Revision 1.1  1993/03/21 18:08:33  cgd
        !            33:  * after 0.2.2 "stable" patches applied
        !            34:  *
        !            35:  * Revision 2.2  92/04/04  11:35:26  rpd
        !            36:  *     From 2.5
        !            37:  *     [92/03/30            rvb]
        !            38:  * 
        !            39:  * Revision 2.2  91/04/02  14:39:21  mbj
        !            40:  *     Put into rcs tree
        !            41:  *     [90/02/09            rvb]
        !            42:  * 
        !            43:  */
        !            44: 
        !            45: #include       "asm.h"
        !            46: #define LOADMSG 1
        !            47: /*
        !            48:  * boot2() -- second stage boot
        !            49:  */
        !            50: 
        !            51: .globl _ouraddr
        !            52: 
        !            53: ENTRY(boot2)
        !            54:        movl    %cs, %ax
        !            55:        movl    %ax, %ds
        !            56:        movl    %ax, %es
        !            57:        data32
        !            58:        sall    $4, %eax
        !            59:        data32
        !            60:        movl    %eax, _ouraddr
        !            61:        /* save the drive type and ID */ 
        !            62:        data32
        !            63:        pushl   %edx
        !            64:        /* change to protected mode */
        !            65:        data32
        !            66:        call    _real_to_prot
        !            67: 
        !            68:        call    _boot
        !            69:        ret
        !            70: 
        !            71:        .data
        !            72:         .align 2
        !            73: _ouraddr:
        !            74:         .long 0
        !            75: 
        !            76: 

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.