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Source at commit 1079 created 9 years 14 days ago.
By meklort, began implimenting Bios disk changes. Code taken from biosfn.c
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/* Useful types. */
25
26#ifndef __LIBSAIO_SAIO_TYPES_H
27#define __LIBSAIO_SAIO_TYPES_H
28
29#include <sys/reboot.h>
30#include <sys/types.h>
31#include <sys/param.h>
32#include "bios.h"
33#include "bootargs.h"
34
35#if DEBUG
36#define DEBUG_DISK(x) printf x
37#else
38#define DEBUG_DISK(x)
39#endif
40
41typedef unsigned long entry_t;
42
43typedef struct {
44unsigned int sectors:8;
45unsigned int heads:8;
46unsigned int cylinders:16;
47} compact_diskinfo_t;
48
49struct driveParameters {
50int cylinders;
51int sectors;
52int heads;
53int totalDrives;
54};
55
56struct Tag {
57longtype;
58char *string;
59longoffset;
60struct Tag *tag;
61struct Tag *tagNext;
62};
63typedef struct Tag Tag, *TagPtr;
64
65typedef struct {
66charplist[4096];// buffer for plist
67TagPtrdictionary;// buffer for xml dictionary
68boolcanOverride;// flag to mark a dictionary can be overriden
69} config_file_t;
70
71typedef struct FinderInfo {
72unsigned char data[16];
73} FinderInfo;
74
75struct BootVolume;
76typedef struct BootVolume * BVRef;
77typedef struct BootVolume * CICell;
78
79typedef long (*FSInit)(CICell ih);
80typedef long (*FSLoadFile)(CICell ih, char * filePath);
81typedef long (*FSReadFile)(CICell ih, char *filePath, void *base, uint64_t offset, uint64_t length);
82typedef long (*FSGetFileBlock)(CICell ih, char *filePath, unsigned long long *firstBlock);
83typedef long (*FSGetDirEntry)(CICell ih, char * dirPath, long long * dirIndex,
84 char ** name, long * flags, long * time,
85 FinderInfo * finderInfo, long * infoValid);
86typedef long (*FSGetUUID)(CICell ih, char *uuidStr);
87typedef void (*BVGetDescription)(CICell ih, char * str, long strMaxLen);
88// Can be just pointed to free or a special free function
89typedef void (*BVFree)(CICell ih);
90
91struct iob {
92unsigned int i_flgs;/* see F_* below */
93unsigned int i_offset;/* seek byte offset in file */
94int i_filesize;/* size of file */
95char * i_buf;/* file load address */
96};
97
98#define BPS 512/* sector size of the device */
99#define F_READ 0x1/* file opened for reading */
100#define F_WRITE 0x2/* file opened for writing */
101#define F_ALLOC 0x4/* buffer allocated */
102#define F_FILE 0x8/* file instead of device */
103#define F_NBSF 0x10/* no bad sector forwarding */
104#define F_SSI 0x40/* set skip sector inhibit */
105#define F_MEM 0x80/* memory instead of file or device */
106
107struct dirstuff {
108char * dir_path;/* directory path */
109long long dir_index;/* directory entry index */
110BVRef dir_bvr;/* volume reference */
111};
112
113#define BVSTRLEN 32
114
115struct BootVolume {
116BVRef next; /* list linkage pointer */
117int biosdev; /* BIOS device number */
118int type; /* device type (floppy, hd, network) */
119unsigned int flags; /* attribute flags */
120BVGetDescription description; /* BVGetDescription function */
121int part_no; /* partition number (1 based) */
122unsigned int part_boff; /* partition block offset */
123unsigned int part_type; /* partition type */
124unsigned int fs_boff; /* 1st block # of next read */
125unsigned int fs_byteoff; /* Byte offset for read within block */
126FSLoadFile fs_loadfile; /* FSLoadFile function */
127FSReadFile fs_readfile; /* FSReadFile function */
128FSGetDirEntry fs_getdirentry; /* FSGetDirEntry function */
129FSGetFileBlock fs_getfileblock; /* FSGetFileBlock function */
130FSGetUUID fs_getuuid; /* FSGetUUID function */
131unsigned int bps; /* bytes per sector for this device */
132char name[BVSTRLEN]; /* (name of partition) */
133char type_name[BVSTRLEN]; /* (type of partition, eg. Apple_HFS) */
134BVFree bv_free; /* BVFree function */
135uint32_t modTime;
136char label[BVSTRLEN]; /* partition volume label */
137char altlabel[BVSTRLEN]; /* partition volume label */
138bool filtered; /* newFilteredBVChain() will set to TRUE */
139bool visible; /* will shown in the device list */
140};
141
142enum {
143kBVFlagPrimary= 0x01,
144kBVFlagNativeBoot= 0x02,
145kBVFlagForeignBoot= 0x04,
146kBVFlagBootable= 0x08,
147kBVFlagEFISystem= 0x10,
148kBVFlagBooter= 0x20,
149kBVFlagSystemVolume= 0x40
150};
151
152enum {
153kBIOSDevTypeFloppy= 0x00,
154kBIOSDevTypeHardDrive= 0x80,
155kBIOSDevTypeNetwork= 0xE0,
156kBIOSDevUnitMask= 0x0F,
157kBIOSDevTypeMask= 0xF0,
158kBIOSDevMask= 0xFF
159};
160
161enum {
162kPartitionTypeHFS= 0xAF,
163kPartitionTypeHPFS= 0x07,
164kPartitionTypeFAT16= 0x06,
165kPartitionTypeFAT32= 0x0c,
166kPartitionTypeEXT3= 0x83
167};
168
169//#define BIOS_DEV_TYPE(d)((d) & kBIOSDevTypeMask)
170#define BIOS_DEV_UNIT(bvr)((bvr)->biosdev - (bvr)->type)
171
172/*
173 * KernBootStruct device types.
174 */
175enum {
176DEV_SD = 0,
177DEV_HD = 1,
178DEV_FD = 2,
179DEV_EN = 3
180};
181
182/*
183 * min/max Macros.
184 * counting and rounding Macros.
185 *
186 * Azi: defined on <sys/param.h>,
187 *i386/include/IOKit/IOLib.h (min/max), and others...
188 *
189#ifndef MIN
190#define MIN(a,b) ( ((a) < (b)) ? (a) : (b) )
191#endif
192#ifndef MAX
193#define MAX(a,b) ( ((a) > (b)) ? (a) : (b) )
194#endif
195
196#define round2(x, m)(((x) + (m / 2)) & ~(m - 1))
197#define roundup2(x, m)(((x) + m - 1) & ~(m - 1))*/
198
199enum {
200kNetworkDeviceType = kBIOSDevTypeNetwork,
201kBlockDeviceType = kBIOSDevTypeHardDrive
202}; //gBootFileType_t;
203
204enum {
205kCursorTypeHidden = 0x0100,
206kCursorTypeUnderline = 0x0607
207};
208
209#endif /* !__LIBSAIO_SAIO_TYPES_H */
210

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Revision: 1079