| | 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 | #include <pexpert/i386/boot.h> |
| | 33 | |
| | 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 | |
| | 75 | #define EBIOS_FIXED_DISK_ACCESS 0x01 |
| | 76 | #define EBIOS_LOCKING_ACCESS 0x02 |
| | 77 | #define EBIOS_ENHANCED_DRIVE_INFO 0x04 |
| | 78 | |
| | 79 | #define BASE_HD_DRIVE 0x80 |
| | 80 | |
| | 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 | |
| | 105 | #endif /* !__LIBSAIO_BIOS_H */ |
projects / apple / boot.git / blame_incremental