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74 lines
1.7 KiB
ArmAsm
74 lines
1.7 KiB
ArmAsm
/*
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* Ported to boot 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
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*
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* Mach Operating System
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* Copyright (c) 1992, 1991 Carnegie Mellon University
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie Mellon
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* the rights to redistribute these changes.
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*/
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/*
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* HISTORY
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* $Log: boot2.s,v $
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* Revision 2.2 92/04/04 11:35:26 rpd
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* From 2.5
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* [92/03/30 rvb]
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*
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* Revision 2.2 91/04/02 14:39:21 mbj
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* Put into rcs tree
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* [90/02/09 rvb]
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*
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*/
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#include "asm.h"
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#define LOADMSG 1
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/*
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* boot2() -- second stage boot
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*/
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.globl _ouraddr
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ENTRY(boot2)
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movl %cs, %ax
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movl %ax, %ds
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movl %ax, %es
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data32
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sall $4, %eax
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data32
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movl %eax, _ouraddr
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/* save the drive type and ID */
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data32
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pushl %edx
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/* change to protected mode */
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data32
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call _real_to_prot
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call _boot
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ret
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.data
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.align 2
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_ouraddr:
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.long 0
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