| 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 | #endif /* !__LIBSAIO_BIOS_H */ |