| 1 |
/* |
| 2 |
* $Id: sys_darwin.cpp,v 1.2 2004/01/12 15:29:24 cebix Exp $ |
| 3 |
* |
| 4 |
* sys_darwin.cpp - Extra Darwin system dependant routines. Called by: |
| 5 |
* |
| 6 |
* sys_unix.cpp - System dependent routines, Unix implementation |
| 7 |
* |
| 8 |
* Based on Apple's CDROMSample.c and Evan Jones' cd-discid.c patches |
| 9 |
* |
| 10 |
* Basilisk II (C) 1997-2004 Christian Bauer |
| 11 |
* |
| 12 |
* This program is free software; you can redistribute it and/or modify |
| 13 |
* it under the terms of the GNU General Public License as published by |
| 14 |
* the Free Software Foundation; either version 2 of the License, or |
| 15 |
* (at your option) any later version. |
| 16 |
* |
| 17 |
* This program is distributed in the hope that it will be useful, |
| 18 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 |
* GNU General Public License for more details. |
| 21 |
* |
| 22 |
* You should have received a copy of the GNU General Public License |
| 23 |
* along with this program; if not, write to the Free Software |
| 24 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 25 |
*/ |
| 26 |
|
| 27 |
#import <errno.h> |
| 28 |
#import <sys/param.h> |
| 29 |
#import <IOKit/IOKitLib.h> |
| 30 |
#import <IOKit/IOBSD.h> |
| 31 |
#import <IOKit/storage/IOMedia.h> |
| 32 |
#import <IOKit/storage/IOMediaBSDClient.h> |
| 33 |
#import <IOKit/storage/IOCDMedia.h> |
| 34 |
#import <IOKit/storage/IOCDMediaBSDClient.h> |
| 35 |
#import <CoreFoundation/CoreFoundation.h> |
| 36 |
|
| 37 |
#import "sysdeps.h" |
| 38 |
|
| 39 |
#import "prefs.h" |
| 40 |
|
| 41 |
#define DEBUG 0 |
| 42 |
#import "debug.h" |
| 43 |
|
| 44 |
|
| 45 |
|
| 46 |
/* |
| 47 |
* This gets called when no "cdrom" prefs items are found |
| 48 |
* It scans for available CD-ROM drives and adds appropriate prefs items |
| 49 |
*/ |
| 50 |
|
| 51 |
void DarwinAddCDROMPrefs(void) |
| 52 |
{ |
| 53 |
mach_port_t masterPort; // The way to talk to the kernel |
| 54 |
io_iterator_t allCDs; // List of CD drives on the system |
| 55 |
CFMutableDictionaryRef classesToMatch; |
| 56 |
io_object_t nextCD; |
| 57 |
|
| 58 |
|
| 59 |
// Don't scan for drives if nocdrom option given |
| 60 |
if ( PrefsFindBool("nocdrom") ) |
| 61 |
return; |
| 62 |
|
| 63 |
|
| 64 |
// Let this task talk to the guts of the kernel: |
| 65 |
if ( IOMasterPort(MACH_PORT_NULL, &masterPort) != KERN_SUCCESS ) |
| 66 |
bug("IOMasterPort failed. Won't be able to do anything with CD drives"); |
| 67 |
|
| 68 |
|
| 69 |
// CD media are instances of class kIOCDMediaClass |
| 70 |
classesToMatch = IOServiceMatching(kIOCDMediaClass); |
| 71 |
if ( classesToMatch ) |
| 72 |
{ |
| 73 |
// Narrow the search a little further. Each IOMedia object |
| 74 |
// has a property with key kIOMediaEjectable. We limit |
| 75 |
// the match only to those CDs that are actually ejectable |
| 76 |
CFDictionarySetValue(classesToMatch, |
| 77 |
CFSTR(kIOMediaEjectableKey), kCFBooleanTrue); |
| 78 |
} |
| 79 |
|
| 80 |
if ( IOServiceGetMatchingServices(masterPort, |
| 81 |
classesToMatch, &allCDs) != KERN_SUCCESS ) |
| 82 |
{ |
| 83 |
D(bug("IOServiceGetMatchingServices failed. No CD media drives found?\n")); |
| 84 |
return; |
| 85 |
} |
| 86 |
|
| 87 |
|
| 88 |
// Iterate through each CD drive |
| 89 |
while ( nextCD = IOIteratorNext(allCDs)) |
| 90 |
{ |
| 91 |
char bsdPath[MAXPATHLEN]; |
| 92 |
CFTypeRef bsdPathAsCFString = |
| 93 |
IORegistryEntryCreateCFProperty(nextCD, |
| 94 |
CFSTR(kIOBSDNameKey), |
| 95 |
kCFAllocatorDefault, 0); |
| 96 |
*bsdPath = '\0'; |
| 97 |
if ( bsdPathAsCFString ) |
| 98 |
{ |
| 99 |
size_t devPathLength; |
| 100 |
|
| 101 |
strcpy(bsdPath, "/dev/"); |
| 102 |
devPathLength = strlen(bsdPath); |
| 103 |
|
| 104 |
if ( CFStringGetCString((const __CFString *)bsdPathAsCFString, |
| 105 |
bsdPath + devPathLength, |
| 106 |
MAXPATHLEN - devPathLength, |
| 107 |
kCFStringEncodingASCII) ) |
| 108 |
{ |
| 109 |
// If we try to do raw reads on the file bsdPath (e.g. /dev/disk5), |
| 110 |
// we get a lot of extra padding in the data. For some reason, |
| 111 |
// the device we need has a different name (e.g. /dev/disk5s1) |
| 112 |
//strcat(bsdPath, "s1"); |
| 113 |
D(bug("CDROM BSD path: %s\n", bsdPath)); |
| 114 |
} |
| 115 |
else |
| 116 |
D(bug("Could not get BSD device path for CD\n")); |
| 117 |
|
| 118 |
CFRelease(bsdPathAsCFString); |
| 119 |
} |
| 120 |
|
| 121 |
PrefsAddString("cdrom", bsdPath); |
| 122 |
} |
| 123 |
|
| 124 |
IOObjectRelease(nextCD); |
| 125 |
IOObjectRelease(allCDs); |
| 126 |
} |
| 127 |
|
| 128 |
|
| 129 |
#ifdef MAC_OS_X_VERSION_10_2 |
| 130 |
/* |
| 131 |
* Read CD-ROM TOC (binary MSF format, 804 bytes max.) |
| 132 |
*/ |
| 133 |
|
| 134 |
bool DarwinCDReadTOC(char *name, uint8 *toc) |
| 135 |
{ |
| 136 |
char *c, *devname; |
| 137 |
int fd; |
| 138 |
|
| 139 |
|
| 140 |
// The open filehandle is something like /dev/disk5s1 |
| 141 |
// The DKIOCCDREADTOC ioctl needs the original cd file, |
| 142 |
// so we strip the s1 suffix off it, and open the file just for this ioctl |
| 143 |
|
| 144 |
devname = strdup(name); |
| 145 |
if ( ! devname ) |
| 146 |
return false; |
| 147 |
|
| 148 |
for ( c = devname; *c; ++c ) ; // Go to the end of the name, |
| 149 |
--c, --c; // point to the 's1' on the end, |
| 150 |
*c = '\0'; // and truncate the string |
| 151 |
|
| 152 |
fd = open(devname, O_RDONLY); |
| 153 |
if ( ! fd ) |
| 154 |
{ |
| 155 |
printf("Failed to open CD device %s for ioctl\n", devname); |
| 156 |
free(devname); |
| 157 |
return false; |
| 158 |
} |
| 159 |
|
| 160 |
D(bug("Opened %s for ioctl()\n", devname)); |
| 161 |
|
| 162 |
dk_cd_read_toc_t TOCrequest; |
| 163 |
|
| 164 |
// Setup the ioctl request structure: |
| 165 |
|
| 166 |
memset(&TOCrequest, 0, sizeof(TOCrequest)); |
| 167 |
TOCrequest.buffer = toc; |
| 168 |
TOCrequest.bufferLength = 804; |
| 169 |
TOCrequest.formatAsTime = kCDTrackInfoAddressTypeTrackNumber; |
| 170 |
|
| 171 |
if ( ioctl(fd, DKIOCCDREADTOC, &TOCrequest) < 0 ) |
| 172 |
{ |
| 173 |
printf("ioctl(DKIOCCDREADTOC) failed: %s\n", strerror(errno)); |
| 174 |
close(fd); |
| 175 |
free(devname); |
| 176 |
return false; |
| 177 |
} |
| 178 |
if ( TOCrequest.bufferLength < sizeof(CDTOC) ) |
| 179 |
{ |
| 180 |
printf("ioctl(DKIOCCDREADTOC): only read %d bytes (a CDTOC is at least %d)\n", |
| 181 |
TOCrequest.bufferLength, (int)sizeof(CDTOC)); |
| 182 |
close(fd); |
| 183 |
free(devname); |
| 184 |
return false; |
| 185 |
} |
| 186 |
D(bug("ioctl(DKIOCCDREADTOC) read %d bytes\n", TOCrequest.bufferLength)); |
| 187 |
|
| 188 |
close(fd); |
| 189 |
free(devname); |
| 190 |
return true; |
| 191 |
} |
| 192 |
#endif |
