asm_startup.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1991,1990 Carnegie Mellon University
    4  * All Rights Reserved.
    5  * 
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  * 
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  * 
   16  * Carnegie Mellon requests users of this software to return to
   17  * 
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  * 
   23  * any improvements or extensions that they make and grant Carnegie Mellon
   24  * the rights to redistribute these changes.
   25  */
   26 
   27 /*
   28  * HISTORY
   29  * $Log:        asm_startup.h,v $
   30  * Revision 2.5  93/05/10  17:46:47  rvb
   31  *      Use C comments
   32  *      [93/05/04  17:18:16  rvb]
   33  * 
   34  * Revision 2.4  92/01/03  20:10:12  dbg
   35  *      Symbols are no longer read separately by boot loader.
   36  *      [91/08/02            dbg]
   37  * 
   38  * Revision 2.3  91/05/14  16:19:14  mrt
   39  *      Correcting copyright
   40  * 
   41  * Revision 2.2  91/05/08  12:44:00  dbg
   42  *      Created (from old i386/start.s).
   43  *      [91/04/26  14:40:03  dbg]
   44  * 
   45  */
   46 
   47 /*
   48  * Startup code for an i386 on an AT.
   49  * Kernel is loaded starting at 1MB.
   50  * Protected mode, paging disabled.
   51  *
   52  * %esp ->      boottype
   53  *              size of extended memory (K)
   54  *              size of conventional memory (K)
   55  *              boothowto
   56  *
   57  */
   58 
   59         popl    _boottype+KVTOPHYS      /* get boottype */
   60         popl    _extmem+KVTOPHYS        /* extended memory, in K */
   61         popl    _cnvmem+KVTOPHYS        /* conventional memory, in K */
   62         popl    _boothowto+KVTOPHYS     /* boot flags */
   63

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FreeBSD/Linux Kernel Cross Reference sys/i386at/asm_startup.h

FreeBSD/Linux Kernel Cross Reference
sys/i386at/asm_startup.h