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14c7c974 | 1 | /* |
57c72a9a | 2 | * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved. |
14c7c974 A |
3 | * |
4 | * @APPLE_LICENSE_HEADER_START@ | |
5 | * | |
57c72a9a | 6 | * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights |
4f6e3300 A |
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 | |
57c72a9a | 9 | * Source License Version 2.0 (the "License"). You may not use this file |
4f6e3300 A |
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. | |
14c7c974 A |
13 | * |
14 | * The Original Code and all software distributed under the License are | |
4f6e3300 | 15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
14c7c974 A |
16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
4f6e3300 A |
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. | |
14c7c974 A |
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 | ||
f083c6c3 A |
32 | #include <pexpert/i386/boot.h> |
33 | ||
14c7c974 A |
34 | typedef union { |
35 | unsigned int rx; | |
36 | unsigned short rr; | |
37 | struct { | |
38 | unsigned char l; | |
39 | unsigned char h; | |
40 | } r; | |
41 | } machineRegister_t; | |
42 | ||
43 | typedef struct { | |
44 | unsigned short cf :1; | |
45 | unsigned short :1; | |
46 | unsigned short pf :1; | |
47 | unsigned short :1; | |
48 | unsigned short af :1; | |
49 | unsigned short :1; | |
50 | unsigned short zf :1; | |
51 | unsigned short sf :1; | |
52 | unsigned short tf :1; | |
53 | unsigned short _if :1; | |
54 | unsigned short df :1; | |
55 | unsigned short of :1; | |
56 | unsigned short iopl:2; | |
57 | unsigned short nt :1; | |
58 | } machineFlags_t; | |
59 | ||
60 | typedef struct { | |
61 | unsigned int intno; | |
62 | machineRegister_t eax; | |
63 | machineRegister_t ebx; | |
64 | machineRegister_t ecx; | |
65 | machineRegister_t edx; | |
66 | machineRegister_t edi; | |
67 | machineRegister_t esi; | |
68 | machineRegister_t ebp; | |
69 | unsigned short cs; | |
70 | unsigned short ds; | |
71 | unsigned short es; | |
72 | machineFlags_t flags; | |
73 | } biosBuf_t; | |
74 | ||
75b89a82 | 75 | #define EBIOS_FIXED_DISK_ACCESS 0x01 |
f083c6c3 | 76 | #define EBIOS_LOCKING_ACCESS 0x02 |
75b89a82 | 77 | #define EBIOS_ENHANCED_DRIVE_INFO 0x04 |
f083c6c3 A |
78 | |
79 | #define BASE_HD_DRIVE 0x80 | |
75b89a82 | 80 | |
bba600dd A |
81 | #if 0 |
82 | /* | |
83 | * ACPI defined memory range types. | |
84 | */ | |
85 | enum { | |
86 | kMemoryRangeUsable = 1, // RAM usable by the OS. | |
87 | kMemoryRangeReserved = 2, // Reserved. (Do not use) | |
88 | kMemoryRangeACPI = 3, // ACPI tables. Can be reclaimed. | |
89 | kMemoryRangeNVS = 4, // ACPI NVS memory. (Do not use) | |
90 | ||
91 | /* Undefined types should be treated as kMemoryRangeReserved */ | |
92 | }; | |
93 | #endif | |
94 | ||
95 | /* | |
96 | * Memory range descriptor. | |
97 | */ | |
98 | typedef struct MemoryRange { | |
99 | unsigned long long base; // 64-bit base address | |
100 | unsigned long long length; // 64-bit length in bytes | |
101 | unsigned long type; // type of memory range | |
102 | unsigned long reserved; | |
103 | } MemoryRange; | |
104 | ||
14c7c974 | 105 | #endif /* !__LIBSAIO_BIOS_H */ |