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0c530ab8 1/*
2d21ac55 2 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
0c530ab8 3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
0c530ab8 5 *
2d21ac55
A
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.
0c530ab8 14 *
2d21ac55
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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
0c530ab8
A
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
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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.
0c530ab8 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
0c530ab8 27 */
2d21ac55 28
0c530ab8
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29/*
30 * Header files for the Low Memory Globals (lg)
31 */
32#ifndef _LOW_MEMORY_GLOBALS_H_
33#define _LOW_MEMORY_GLOBALS_H_
34
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35#if defined(__x86_64__)
36#include <x86_64/lowglobals.h>
37#elif !defined(__i386__)
38#error Wrong architecture - this file is meant for i386
39#endif
40
0c530ab8
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41#include <mach/mach_types.h>
42#include <mach/vm_types.h>
43#include <mach/machine/vm_types.h>
44#include <mach/vm_prot.h>
45
46/*
47 * Don't change these structures unless you change the corresponding assembly code
48 * which is in lowmem_vectors.s
49 */
50
51/*
52 * This is where we put constants, pointers, and data areas that must be accessed
53 * quickly through assembler. They are designed to be accessed directly with
54 * absolute addresses, not via a base register. This is a global area, and not
55 * per processor.
56 */
57
58#pragma pack(4) /* Make sure the structure stays as we defined it */
59typedef struct lowglo {
60
61 unsigned char lgVerCode[8]; /* 0x2000 System verification code */
62 unsigned long long lgZero; /* 0x2008 Double constant 0 */
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63 uint32_t lgRsv010; /* 0x2010 Reserved */
64 uint32_t lgCHUDXNUfnStart; /* 0x2014 CHUD XNU function glue
65 * table */
66 uint32_t lgRsv018; /* 0x2018 Reserved */
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67 uint32_t lgVersion; /* 0x201C Pointer to kernel version string */
68 uint32_t lgRsv020[280]; /* 0X2020 Reserved */
69 uint32_t lgKmodptr; /* 0x2480 Pointer to kmod, debugging aid */
70 uint32_t lgTransOff; /* 0x2484 Pointer to kdp_trans_off, debugging aid */
2d21ac55 71 uint32_t lgReadIO; /* 0x2488 Pointer to kdp_read_io, debugging aid */
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72 uint32_t lgDevSlot1; /* 0x248C For developer use */
73 uint32_t lgDevSlot2; /* 0x2490 For developer use */
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74 uint32_t lgOSVersion; /* 0x2494 Pointer to OS version string */
75 uint32_t lgRebootFlag; /* 0x2498 Pointer to debugger reboot trigger */
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76 uint32_t lgManualPktAddr; /* 0x249C Pointer to manual packet structure */
77 uint32_t lgRsv49C[728]; /* 0x24A0 Reserved - push to 1 page */
0c530ab8 78} lowglo;
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79#pragma pack()
80extern lowglo lowGlo;
0c530ab8 81#endif /* _LOW_MEMORY_GLOBALS_H_ */