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Source at commit 1303 created 12 years 8 months ago. By meklort, Cleaning up libsaio | |
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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 | ␊ |
33 | typedef 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 | ␊ |
42 | typedef 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 | ␊ |
59 | typedef 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 | */␊ |
84 | enum {␊ |
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 | */␊ |
97 | typedef 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 | */␊ |
108 | enum {␊ |
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 |