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nigel |
1.1 |
/* |
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nigel |
1.3 |
* $Id: sys_darwin.cpp,v 1.2 2004/01/12 15:29:24 cebix Exp $ |
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nigel |
1.1 |
* |
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* sys_darwin.cpp - Extra Darwin system dependant routines. Called by: |
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* |
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* sys_unix.cpp - System dependent routines, Unix implementation |
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* |
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* Based on Apple's CDROMSample.c and Evan Jones' cd-discid.c patches |
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* |
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cebix |
1.2 |
* Basilisk II (C) 1997-2004 Christian Bauer |
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nigel |
1.1 |
* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#import <errno.h> |
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#import <sys/param.h> |
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#import <IOKit/IOKitLib.h> |
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#import <IOKit/IOBSD.h> |
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#import <IOKit/storage/IOMedia.h> |
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#import <IOKit/storage/IOMediaBSDClient.h> |
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#import <IOKit/storage/IOCDMedia.h> |
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#import <IOKit/storage/IOCDMediaBSDClient.h> |
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#import <CoreFoundation/CoreFoundation.h> |
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#import "sysdeps.h" |
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#import "prefs.h" |
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#define DEBUG 0 |
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#import "debug.h" |
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/* |
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* This gets called when no "cdrom" prefs items are found |
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* It scans for available CD-ROM drives and adds appropriate prefs items |
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*/ |
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void DarwinAddCDROMPrefs(void) |
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{ |
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mach_port_t masterPort; // The way to talk to the kernel |
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io_iterator_t allCDs; // List of CD drives on the system |
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CFMutableDictionaryRef classesToMatch; |
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io_object_t nextCD; |
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// Don't scan for drives if nocdrom option given |
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if ( PrefsFindBool("nocdrom") ) |
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return; |
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// Let this task talk to the guts of the kernel: |
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if ( IOMasterPort(MACH_PORT_NULL, &masterPort) != KERN_SUCCESS ) |
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bug("IOMasterPort failed. Won't be able to do anything with CD drives"); |
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// CD media are instances of class kIOCDMediaClass |
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classesToMatch = IOServiceMatching(kIOCDMediaClass); |
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if ( classesToMatch ) |
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{ |
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// Narrow the search a little further. Each IOMedia object |
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// has a property with key kIOMediaEjectable. We limit |
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// the match only to those CDs that are actually ejectable |
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CFDictionarySetValue(classesToMatch, |
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nigel |
1.3 |
CFSTR(kIOMediaEjectableKey), kCFBooleanTrue); |
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nigel |
1.1 |
} |
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if ( IOServiceGetMatchingServices(masterPort, |
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classesToMatch, &allCDs) != KERN_SUCCESS ) |
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{ |
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D(bug("IOServiceGetMatchingServices failed. No CD media drives found?\n")); |
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return; |
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} |
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// Iterate through each CD drive |
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while ( nextCD = IOIteratorNext(allCDs)) |
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{ |
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char bsdPath[MAXPATHLEN]; |
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CFTypeRef bsdPathAsCFString = |
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nigel |
1.3 |
IORegistryEntryCreateCFProperty(nextCD, |
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CFSTR(kIOBSDNameKey), |
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kCFAllocatorDefault, 0); |
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nigel |
1.1 |
*bsdPath = '\0'; |
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if ( bsdPathAsCFString ) |
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{ |
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size_t devPathLength; |
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strcpy(bsdPath, "/dev/"); |
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devPathLength = strlen(bsdPath); |
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if ( CFStringGetCString((const __CFString *)bsdPathAsCFString, |
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bsdPath + devPathLength, |
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MAXPATHLEN - devPathLength, |
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kCFStringEncodingASCII) ) |
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{ |
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// If we try to do raw reads on the file bsdPath (e.g. /dev/disk5), |
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// we get a lot of extra padding in the data. For some reason, |
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// the device we need has a different name (e.g. /dev/disk5s1) |
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//strcat(bsdPath, "s1"); |
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D(bug("CDROM BSD path: %s\n", bsdPath)); |
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} |
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else |
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D(bug("Could not get BSD device path for CD\n")); |
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CFRelease(bsdPathAsCFString); |
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} |
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PrefsAddString("cdrom", bsdPath); |
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} |
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IOObjectRelease(nextCD); |
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IOObjectRelease(allCDs); |
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} |
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#ifdef MAC_OS_X_VERSION_10_2 |
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/* |
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* Read CD-ROM TOC (binary MSF format, 804 bytes max.) |
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*/ |
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bool DarwinCDReadTOC(char *name, uint8 *toc) |
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{ |
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char *c, *devname; |
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int fd; |
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// The open filehandle is something like /dev/disk5s1 |
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// The DKIOCCDREADTOC ioctl needs the original cd file, |
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// so we strip the s1 suffix off it, and open the file just for this ioctl |
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devname = strdup(name); |
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if ( ! devname ) |
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return false; |
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for ( c = devname; *c; ++c ) ; // Go to the end of the name, |
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--c, --c; // point to the 's1' on the end, |
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*c = '\0'; // and truncate the string |
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fd = open(devname, O_RDONLY); |
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if ( ! fd ) |
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{ |
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printf("Failed to open CD device %s for ioctl\n", devname); |
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free(devname); |
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return false; |
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} |
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D(bug("Opened %s for ioctl()\n", devname)); |
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dk_cd_read_toc_t TOCrequest; |
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// Setup the ioctl request structure: |
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memset(&TOCrequest, 0, sizeof(TOCrequest)); |
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TOCrequest.buffer = toc; |
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TOCrequest.bufferLength = 804; |
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TOCrequest.formatAsTime = kCDTrackInfoAddressTypeTrackNumber; |
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if ( ioctl(fd, DKIOCCDREADTOC, &TOCrequest) < 0 ) |
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{ |
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printf("ioctl(DKIOCCDREADTOC) failed: %s\n", strerror(errno)); |
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close(fd); |
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free(devname); |
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return false; |
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} |
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if ( TOCrequest.bufferLength < sizeof(CDTOC) ) |
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{ |
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printf("ioctl(DKIOCCDREADTOC): only read %d bytes (a CDTOC is at least %d)\n", |
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TOCrequest.bufferLength, (int)sizeof(CDTOC)); |
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close(fd); |
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free(devname); |
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return false; |
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} |
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D(bug("ioctl(DKIOCCDREADTOC) read %d bytes\n", TOCrequest.bufferLength)); |
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close(fd); |
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free(devname); |
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return true; |
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} |
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#endif |
