| 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 "bootargs.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 */␊ |
| 106 | |
