osfmk/i386/lowmem_vectors.s

   1 /*
   2  * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 /*
  30  * @OSF_COPYRIGHT@
  31  */
  32 /*
  33  * Mach Operating System
  34  * Copyright (c) 1991,1990 Carnegie Mellon University
  35  * All Rights Reserved.
  36  *
  37  * Permission to use, copy, modify and distribute this software and its
  38  * documentation is hereby granted, provided that both the copyright
  39  * notice and this permission notice appear in all copies of the
  40  * software, derivative works or modified versions, and any portions
  41  * thereof, and that both notices appear in supporting documentation.
  42  *
  43  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  44  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  45  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  46  *
  47  * Carnegie Mellon requests users of this software to return to
  48  *
  49  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  50  *  School of Computer Science
  51  *  Carnegie Mellon University
  52  *  Pittsburgh PA 15213-3890
  53  *
  54  * any improvements or extensions that they make and grant Carnegie Mellon
  55  * the rights to redistribute these changes.
  56  */
  57
  58 #include <platforms.h>
  59 #include <mach_kdb.h>
  60 #include <mach_kdp.h>
  61
  62 #include <i386/asm.h>
  63 #include <i386/proc_reg.h>
  64 #include <i386/postcode.h>
  65 #include <assym.s>
  66
  67
  68 /* on x86 the low mem vectors live here and get mapped to 0x2000 at
  69  * system startup time
  70  */
  71
  72         .text
  73         .align  12
  74
  75         .globl  EXT(lowGlo)
  76 EXT(lowGlo):
  77
  78         .ascii "Catfish "               /* 0x2000 System verification code */
  79         .long   0                       /* 0x2008 Double constant 0 */
  80         .long   0
  81         .long   0                       /* 0x2010 Reserved */
  82         .long   0                       /* 0x2014 Zero */
  83         .long   0                       /* 0x2018 Reserved */
  84         .long   EXT(version)            /* 0x201C Pointer to kernel version string */
  85         .fill   280, 4, 0               /* 0x2020 Reserved */
  86         .long   EXT(kmod)               /* 0x2480 Pointer to kmod, debugging aid */
  87 #if MACH_KDP
  88         .long   EXT(kdp_trans_off)      /* 0x2484 Pointer to kdp_trans_off, debugging aid */
  89         .long   EXT(kdp_read_io)        /* 0x2488 Pointer to kdp_read_io, debugging aid */
  90 #else
  91         .long   0                       /* 0x2484 Reserved */
  92         .long   0                       /* 0x2488 Reserved */
  93 #endif
  94         .long   0                       /* 0x248C Reserved for developer use */
  95         .long   0                       /* 0x2490 Reserved for developer use */
  96         .long   EXT(osversion)          /* 0x2494 Pointer to osversion string */
  97 #if MACH_KDP
  98         .long   EXT(flag_kdp_trigger_reboot) /* 0x2498 Pointer to debugger reboot trigger */
  99 #else
 100         .long   0                       /* 0x2498 Reserved */
 101 #endif
 102         .fill   729, 4, 0