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Source at commit 1303 created 12 years 8 months ago.
By meklort, Cleaning up libsaio
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 * Copyright 1994 NeXT Computer, Inc.
26 * All rights reserved.
27 */
28
29#ifndef __LIBSAIO_BIOS_H
30#define __LIBSAIO_BIOS_H
31
32
33typedef union {
34 unsigned int rx;
35 unsigned short rr;
36 struct {
37 unsigned char l;
38 unsigned char h;
39 } r;
40} machineRegister_t;
41
42typedef struct {
43 unsigned short cf :1;
44 unsigned short :1;
45 unsigned short pf :1;
46 unsigned short :1;
47 unsigned short af :1;
48 unsigned short :1;
49 unsigned short zf :1;
50 unsigned short sf :1;
51 unsigned short tf :1;
52 unsigned short _if :1;
53 unsigned short df :1;
54 unsigned short of :1;
55 unsigned short iopl:2;
56 unsigned short nt :1;
57} machineFlags_t;
58
59typedef struct {
60 unsigned int intno;
61 machineRegister_t eax;
62 machineRegister_t ebx;
63 machineRegister_t ecx;
64 machineRegister_t edx;
65 machineRegister_t edi;
66 machineRegister_t esi;
67 machineRegister_t ebp;
68 unsigned short cs;
69 unsigned short ds;
70 unsigned short es;
71 machineFlags_t flags;
72} biosBuf_t;
73
74#define EBIOS_FIXED_DISK_ACCESS 0x01
75#define EBIOS_LOCKING_ACCESS 0x02
76#define EBIOS_ENHANCED_DRIVE_INFO 0x04
77
78#define BASE_HD_DRIVE 0x80
79
80#if 0
81/*
82 * ACPI defined memory range types.
83 */
84enum {
85 kMemoryRangeUsable = 1, // RAM usable by the OS.
86 kMemoryRangeReserved = 2, // Reserved. (Do not use)
87 kMemoryRangeACPI = 3, // ACPI tables. Can be reclaimed.
88 kMemoryRangeNVS = 4, // ACPI NVS memory. (Do not use)
89
90 /* Undefined types should be treated as kMemoryRangeReserved */
91};
92#endif
93
94/*
95 * Memory range descriptor.
96 */
97typedef struct MemoryRange {
98 unsigned long long base; // 64-bit base address
99 unsigned long long length; // 64-bit length in bytes
100 unsigned long type; // type of memory range
101 unsigned long reserved;
102} MemoryRange;
103
104
105/*
106 * ACPI defined memory range types.
107 */
108enum {
109 kMemoryRangeUsable = 1, // RAM usable by the OS.
110 kMemoryRangeReserved = 2, // Reserved. (Do not use)
111 kMemoryRangeACPI = 3, // ACPI tables. Can be reclaimed.
112 kMemoryRangeNVS = 4, // ACPI NVS memory. (Do not use)
113
114 /* Undefined types should be treated as kMemoryRangeReserved */
115};
116
117#endif /* !__LIBSAIO_BIOS_H */
118

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