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Source at commit 1079 created 12 years 9 months 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 {␊
44␉unsigned int sectors:8;␊
45␉unsigned int heads:8;␊
46␉unsigned int cylinders:16;␊
47} compact_diskinfo_t;␊
48␊
49struct driveParameters {␊
50␉int cylinders;␊
51␉int sectors;␊
52␉int heads;␊
53␉int totalDrives;␊
54};␊
55␊
56struct Tag {␊
57␉long␉␉type;␊
58␉char␉ *string;␊
59␉long␉␉offset;␊
60␉struct Tag *tag;␊
61␉struct Tag *tagNext;␊
62};␊
63typedef struct Tag Tag, *TagPtr;␊
64␊
65typedef struct {␊
66␉char␉plist[4096];␉// buffer for plist␊
67␉TagPtr␉dictionary;␉␉// buffer for xml dictionary␊
68␉bool␉canOverride;␉// flag to mark a dictionary can be overriden␊
69} config_file_t;␊
70␊
71typedef struct FinderInfo {␊
72␉unsigned 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 {␊
92␉unsigned int i_flgs;␉␉␉/* see F_* below */␊
93␉unsigned int i_offset;␉␉/* seek byte offset in file */␊
94␉int␉␉␉ i_filesize;␉␉/* size of file */␊
95␉char *␉␉ 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 {␊
108␉char *␉␉ dir_path;␉␉/* directory path */␊
109␉long long␉ dir_index;␉␉/* directory entry index */␊
110␉BVRef␉␉ dir_bvr;␉␉␉/* volume reference */␊
111};␊
112␊
113#define BVSTRLEN 32␊
114␊
115struct BootVolume {␊
116␉BVRef␉␉␉ next;␉␉␉ /* list linkage pointer */␊
117␉int␉␉␉␉ biosdev;␉␉ /* BIOS device number */␊
118␉int␉␉␉␉ type;␉␉␉ /* device type (floppy, hd, network) */␊
119␉unsigned int␉ flags;␉␉␉ /* attribute flags */␊
120␉BVGetDescription description;␉ /* BVGetDescription function */␊
121␉int␉␉␉␉ part_no;␉␉ /* partition number (1 based) */␊
122␉unsigned int␉ part_boff;␉␉ /* partition block offset */␊
123␉unsigned int␉ part_type;␉␉ /* partition type */␊
124␉unsigned int␉ fs_boff;␉␉ /* 1st block # of next read */␊
125␉unsigned int␉ fs_byteoff;␉ /* Byte offset for read within block */␊
126␉FSLoadFile␉␉ fs_loadfile;␉ /* FSLoadFile function */␊
127␉FSReadFile␉␉ fs_readfile;␉ /* FSReadFile function */␊
128␉FSGetDirEntry␉ fs_getdirentry; /* FSGetDirEntry function */␊
129␉FSGetFileBlock␉ fs_getfileblock; /* FSGetFileBlock function */␊
130␉FSGetUUID␉␉ fs_getuuid;␉ /* FSGetUUID function */␊
131␉unsigned int␉ bps;␉␉␉ /* bytes per sector for this device */␊
132␉char␉␉␉ name[BVSTRLEN]; /* (name of partition) */␊
133␉char␉␉␉ type_name[BVSTRLEN]; /* (type of partition, eg. Apple_HFS) */␊
134␉BVFree␉␉␉ bv_free;␉␉ /* BVFree function */␊
135␉uint32_t␉␉ modTime;␊
136␉char␉␉␉ label[BVSTRLEN]; /* partition volume label */␊
137␉char␉␉␉ altlabel[BVSTRLEN]; /* partition volume label */␊
138␉bool␉␉␉ filtered;␉␉ /* newFilteredBVChain() will set to TRUE */␊
139␉bool␉␉␉ visible;␉␉ /* will shown in the device list */␊
140};␊
141␊
142enum {␊
143␉kBVFlagPrimary␉␉␉= 0x01,␊
144␉kBVFlagNativeBoot␉␉= 0x02,␊
145␉kBVFlagForeignBoot␉␉= 0x04,␊
146␉kBVFlagBootable␉␉␉= 0x08,␊
147␉kBVFlagEFISystem␉␉= 0x10,␊
148␉kBVFlagBooter␉␉␉= 0x20,␊
149␉kBVFlagSystemVolume␉␉= 0x40␊
150};␊
151␊
152enum {␊
153␉kBIOSDevTypeFloppy␉␉= 0x00,␊
154␉kBIOSDevTypeHardDrive␉= 0x80,␊
155␉kBIOSDevTypeNetwork␉␉= 0xE0,␊
156␉kBIOSDevUnitMask␉␉= 0x0F,␊
157␉kBIOSDevTypeMask␉␉= 0xF0,␊
158␉kBIOSDevMask␉␉␉= 0xFF␊
159};␊
160␊
161enum {␊
162␉kPartitionTypeHFS␉␉= 0xAF,␊
163␉kPartitionTypeHPFS␉␉= 0x07,␊
164␉kPartitionTypeFAT16␉␉= 0x06,␊
165␉kPartitionTypeFAT32␉␉= 0x0c,␊
166␉kPartitionTypeEXT3␉␉= 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 {␊
176␉DEV_SD = 0,␊
177␉DEV_HD = 1,␊
178␉DEV_FD = 2,␊
179␉DEV_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 {␊
200␉kNetworkDeviceType = kBIOSDevTypeNetwork,␊
201␉kBlockDeviceType = kBIOSDevTypeHardDrive␊
202}; //gBootFileType_t;␊
203␊
204enum {␊
205␉kCursorTypeHidden␉ = 0x0100,␊
206␉kCursorTypeUnderline = 0x0607␊
207};␊
208␊
209#endif /* !__LIBSAIO_SAIO_TYPES_H */␊
210

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