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Root/branches/iFabio/i386/libsaio/table.c

Source at commit 214 created 13 years 5 months ago.
By ifabio, update to chameleon trunk 630, and now the pakage folder is the same as blackosx branch, also add Icon "building" into buildpkg script, and add mint theme info into the English localizable.strings.
1/*
2 * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights
7 * Reserved. This file contains Original Code and/or Modifications of
8 * Original Code as defined in and that are subject to the Apple Public
9 * Source License Version 2.0 (the "License"). You may not use this file
10 * except in compliance with the License. Please obtain a copy of the
11 * License at http://www.apple.com/publicsource and read it before using
12 * this file.
13 *
14 * The Original Code and all software distributed under the License are
15 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
19 * License for the specific language governing rights and limitations
20 * under the License.
21 *
22 * @APPLE_LICENSE_HEADER_END@
23 */
24/*
25 * Mach Operating System
26 * Copyright (c) 1990 Carnegie-Mellon University
27 * Copyright (c) 1989 Carnegie-Mellon University
28 * All rights reserved. The CMU software License Agreement specifies
29 * the terms and conditions for use and redistribution.
30 */
31
32/*
33 * INTEL CORPORATION PROPRIETARY INFORMATION
34 *
35 *This software is supplied under the terms of a license agreement or
36 *nondisclosure agreement with Intel Corporation and may not be copied
37 *nor disclosed except in accordance with the terms of that agreement.
38 *
39 *Copyright 1988, 1989 Intel Corporation
40 */
41
42/*
43 * Copyright 1993 NeXT, Inc.
44 * All rights reserved.
45 */
46
47#include "memory.h"
48
49/* Segment Descriptor
50 *
51 * 31 24 19 16 7 0
52 * ------------------------------------------------------------
53 * | | |B| |A| | | |1|0|E|W|A| |
54 * | BASE 31..24 |G|/|0|V| LIMIT |P|DPL| TYPE | BASE 23:16 |
55 * | | |D| |L| 19..16| | |1|1|C|R|A| |
56 * ------------------------------------------------------------
57 * | | |
58 * | BASE 15..0 | LIMIT 15..0 |
59 * | | |
60 * ------------------------------------------------------------
61 */
62
63struct seg_desc {
64 unsigned short limit_15_0;
65 unsigned short base_15_0;
66 unsigned char base_23_16;
67 unsigned char bit_15_8;
68 unsigned char bit_23_16;
69 unsigned char base_31_24;
70};
71
72// turbo - GDT must be in first 64k segment
73struct seg_desc __attribute__ ((section("__INIT,__data"))) Gdt[ NGDTENT ] = {
74 /* 0x0 : null */
75 {0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00},
76
77 /* 0x8 : boot protected mode 32-bit code segment
78 byte granularity, 1MB limit, MEMBASE offset */
79 {0xFFFF, MEMBASE, 0x00, 0x9E, 0x4F, 0x00},
80
81 /* 0x10 : boot protected mode data segment
82 page granularity, 4GB limit, MEMBASE offset */
83 {0xFFFF, MEMBASE, 0x00, 0x92, 0xCF, 0x00},
84
85 /* 0x18 : boot protected mode 16-bit code segment
86 byte granularity, 1MB limit, MEMBASE offset */
87 {0xFFFF, MEMBASE, 0x00, 0x9E, 0x0F, 0x00},
88
89 /* 0x20 : kernel init 32-bit data segment
90 page granularity, 4GB limit, zero offset */
91 {0xFFFF, 0x0000, 0x00, 0x92, 0xCF, 0x00},
92
93 /* 0x28 : kernel init 32-bit code segment
94 page granularity, 4GB limit, zero offset */
95 {0xFFFF, 0x0000, 0x00, 0x9E, 0xCF, 0x00},
96
97 /* 0x30 : boot real mode data/stack segment
98 byte granularity, 64K limit, MEMBASE offset, expand-up */
99 {0xFFFF, MEMBASE, 0x00, 0x92, 0x00, 0x00},
100};
101

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