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/* |
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* $Id: sys_darwin.cpp,v 1.16 2012/04/21 16:02:05 asvitkine Exp $ |
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* |
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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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* Basilisk II (C) 1997-2008 Christian Bauer |
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* |
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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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|
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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/serial/IOSerialKeys.h> |
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#import <IOKit/storage/IOMedia.h> |
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#import <IOKit/storage/IOMediaBSDClient.h> |
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#ifdef HAVE_IOKIT_STORAGE_IOBLOCKSTORAGEDEVICE_H |
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#import <IOKit/storage/IOBlockStorageDevice.h> |
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#endif |
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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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|
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#include "sysdeps.h" |
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|
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#include "sys.h" |
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#include "prefs.h" |
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|
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#define DEBUG 0 |
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#import "debug.h" |
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|
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|
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// Global variables |
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static volatile CFRunLoopRef media_poll_loop = NULL; |
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static bool media_thread_active = false; |
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static pthread_t media_thread; |
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|
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// Prototypes |
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static void *media_poll_func(void *); |
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|
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// From sys_unix.cpp |
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extern void SysMediaArrived(const char *path, int type); |
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extern void SysMediaRemoved(const char *path, int type); |
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|
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|
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/* |
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* Initialization |
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*/ |
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|
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void DarwinSysInit(void) |
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{ |
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if (PrefsFindBool("nocdrom")) { |
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media_thread_active = (pthread_create(&media_thread, NULL, media_poll_func, NULL) == 0); |
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D(bug("Media poll thread installed (%ld)\n", media_thread)); |
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} |
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} |
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|
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|
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/* |
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* Deinitialization |
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*/ |
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|
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void DarwinSysExit(void) |
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{ |
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// Stop media poll thread |
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if (media_thread_active) { |
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while (media_poll_loop == NULL || !CFRunLoopIsWaiting(media_poll_loop)) |
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usleep(0); |
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CFRunLoopStop(media_poll_loop); |
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pthread_join(media_thread, NULL); |
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media_poll_loop = NULL; |
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media_thread_active = false; |
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} |
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} |
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|
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|
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/* |
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* Get the BSD-style path of specified object |
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*/ |
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|
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static kern_return_t get_device_path(io_object_t obj, char *path, size_t maxPathLength) |
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{ |
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kern_return_t kernResult = KERN_FAILURE; |
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CFTypeRef pathAsCFString = IORegistryEntryCreateCFProperty(obj, CFSTR(kIOBSDNameKey), |
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kCFAllocatorDefault, 0); |
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if (pathAsCFString) { |
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strcpy(path, "/dev/"); |
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size_t pathLength = strlen(path); |
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if (CFStringGetCString((const __CFString *)pathAsCFString, |
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path + pathLength, |
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maxPathLength - pathLength, |
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kCFStringEncodingASCII)) |
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kernResult = KERN_SUCCESS; |
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CFRelease(pathAsCFString); |
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} |
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return kernResult; |
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} |
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|
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|
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/* |
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* kIOMatchedNotification handler |
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*/ |
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|
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static void media_arrived(int type, io_iterator_t iterator) |
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{ |
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io_object_t obj; |
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while ((obj = IOIteratorNext(iterator))) { |
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char path[MAXPATHLEN]; |
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kern_return_t kernResult = get_device_path(obj, path, sizeof(path)); |
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if (kernResult == KERN_SUCCESS) { |
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D(bug("Media Arrived: %s\n", path)); |
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SysMediaArrived(path, type); |
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} |
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kernResult = IOObjectRelease(obj); |
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if (kernResult != KERN_SUCCESS) { |
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fprintf(stderr, "IOObjectRelease() returned %d\n", kernResult); |
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} |
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} |
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} |
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|
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|
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/* |
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* kIOTerminatedNotification handler |
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*/ |
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|
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static void media_removed(int type, io_iterator_t iterator) |
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{ |
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io_object_t obj; |
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while ((obj = IOIteratorNext(iterator))) { |
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char path[MAXPATHLEN]; |
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kern_return_t kernResult = get_device_path(obj, path, sizeof(path)); |
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if (kernResult == KERN_SUCCESS) { |
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D(bug("Media Removed: %s\n", path)); |
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SysMediaRemoved(path, type); |
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} |
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kernResult = IOObjectRelease(obj); |
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if (kernResult != KERN_SUCCESS) { |
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fprintf(stderr, "IOObjectRelease() returned %d\n", kernResult); |
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} |
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} |
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} |
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|
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|
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/* |
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* Media poll function |
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* |
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* NOTE: to facilitate orderly thread termination, media_poll_func MUST end up waiting in CFRunLoopRun. |
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* Early returns must be avoided, even if there is nothing useful to be done here. See DarwinSysExit. |
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*/ |
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|
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static void dummy(void *) { }; // stub for dummy runloop source |
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|
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static void *media_poll_func(void *) |
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{ |
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media_poll_loop = CFRunLoopGetCurrent(); |
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|
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mach_port_t masterPort; |
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kern_return_t kernResult; |
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CFMutableDictionaryRef matchingDictionary; |
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CFRunLoopSourceRef loopSource = NULL; |
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CFRunLoopSourceRef dummySource = NULL; |
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|
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if ((kernResult = IOMasterPort(bootstrap_port, &masterPort)) != KERN_SUCCESS) |
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fprintf(stderr, "IOMasterPort() returned %d\n", kernResult); |
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else if ((matchingDictionary = IOServiceMatching(kIOCDMediaClass)) == NULL) |
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fprintf(stderr, "IOServiceMatching() returned a NULL dictionary\n"); |
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else { |
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matchingDictionary = (CFMutableDictionaryRef)CFRetain(matchingDictionary); |
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IONotificationPortRef notificationPort = IONotificationPortCreate(kIOMasterPortDefault); |
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loopSource = IONotificationPortGetRunLoopSource(notificationPort); |
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CFRunLoopAddSource(media_poll_loop, loopSource, kCFRunLoopDefaultMode); |
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|
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io_iterator_t mediaArrivedIterator; |
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kernResult = IOServiceAddMatchingNotification(notificationPort, |
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kIOMatchedNotification, |
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matchingDictionary, |
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(IOServiceMatchingCallback)media_arrived, |
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(void *)MEDIA_CD, &mediaArrivedIterator); |
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if (kernResult != KERN_SUCCESS) |
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fprintf(stderr, "IOServiceAddMatchingNotification() returned %d\n", kernResult); |
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media_arrived(MEDIA_CD, mediaArrivedIterator); |
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|
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io_iterator_t mediaRemovedIterator; |
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kernResult = IOServiceAddMatchingNotification(notificationPort, |
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kIOTerminatedNotification, |
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matchingDictionary, |
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(IOServiceMatchingCallback)media_removed, |
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(void *)MEDIA_CD, &mediaRemovedIterator); |
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if (kernResult != KERN_SUCCESS) |
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fprintf(stderr, "IOServiceAddMatchingNotification() returned %d\n", kernResult); |
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media_removed(MEDIA_CD, mediaRemovedIterator); |
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} |
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|
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if (loopSource == NULL) { |
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// add a dummy runloop source to prevent premature return from CFRunLoopRun |
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CFRunLoopSourceContext context = { 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, dummy }; |
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dummySource = CFRunLoopSourceCreate(NULL, 0, &context); |
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CFRunLoopAddSource(media_poll_loop, dummySource, kCFRunLoopDefaultMode); |
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} |
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|
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CFRunLoopRun(); |
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|
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if (dummySource != NULL) |
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CFRelease(dummySource); |
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return NULL; |
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} |
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|
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|
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void DarwinAddFloppyPrefs(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 allFloppies; // List of possible floppys |
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CFMutableDictionaryRef classesToMatch; |
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io_object_t nextFloppy; |
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|
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|
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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 floppy drives\n"); |
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|
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|
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// This selects all partitions of all disks |
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classesToMatch = IOServiceMatching(kIOMediaClass); |
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if ( classesToMatch ) |
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{ |
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// Skip drivers and partitions |
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CFDictionarySetValue(classesToMatch, |
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CFSTR(kIOMediaWholeKey), kCFBooleanTrue); |
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|
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// Skip fixed drives (hard disks?) |
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CFDictionarySetValue(classesToMatch, |
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CFSTR(kIOMediaEjectableKey), kCFBooleanTrue); |
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} |
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|
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if ( IOServiceGetMatchingServices(masterPort, |
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classesToMatch, &allFloppies) != KERN_SUCCESS ) |
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{ |
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D(bug("IOServiceGetMatchingServices failed. No removable drives found?\n")); |
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return; |
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} |
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|
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// Iterate through each floppy |
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while ( nextFloppy = IOIteratorNext(allFloppies)) |
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{ |
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char bsdPath[MAXPATHLEN]; |
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long size; |
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CFTypeRef sizeAsCFNumber = |
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IORegistryEntryCreateCFProperty(nextFloppy, |
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CFSTR(kIOMediaSizeKey), |
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kCFAllocatorDefault, 0); |
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|
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if ( CFNumberGetValue((CFNumberRef)sizeAsCFNumber, |
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kCFNumberSInt32Type, &size) ) |
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{ |
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D(bug("Got size of %ld\n", size)); |
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if ( size < 800 * 1024 || size > 1440 * 1024 ) |
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{ |
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D(puts("Device does not appear to be 800k or 1440k")); |
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continue; |
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} |
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} |
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else { |
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D(puts("Couldn't get kIOMediaSizeKey of device")); |
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continue; // if kIOMediaSizeKey is unavailable, we shouldn't use it anyway |
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} |
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|
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if (get_device_path(nextFloppy, bsdPath, sizeof(bsdPath)) == KERN_SUCCESS) { |
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PrefsAddString("floppy", bsdPath); |
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} else { |
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D(bug("Could not get BSD device path for floppy\n")); |
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} |
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} |
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|
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IOObjectRelease(nextFloppy); |
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IOObjectRelease(allFloppies); |
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} |
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|
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|
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void DarwinAddSerialPrefs(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 allModems; // List of modems on the system |
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CFMutableDictionaryRef classesToMatch; |
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io_object_t nextModem; |
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|
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|
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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 modems\n"); |
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|
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|
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// Serial devices are instances of class IOSerialBSDClient |
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classesToMatch = IOServiceMatching(kIOSerialBSDServiceValue); |
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if ( classesToMatch ) |
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{ |
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// Narrow the search a little further. Each serial device object has |
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// a property with key kIOSerialBSDTypeKey and a value that is one of |
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// kIOSerialBSDAllTypes, kIOSerialBSDModemType, or kIOSerialBSDRS232Type. |
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|
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CFDictionarySetValue(classesToMatch, |
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CFSTR(kIOSerialBSDTypeKey), |
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CFSTR(kIOSerialBSDModemType)); |
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|
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// This will find built-in and USB modems, but not serial modems. |
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} |
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|
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if ( IOServiceGetMatchingServices(masterPort, |
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classesToMatch, &allModems) != KERN_SUCCESS ) |
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{ |
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D(bug("IOServiceGetMatchingServices failed. No modems found?\n")); |
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return; |
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} |
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|
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// Iterate through each modem |
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while ( nextModem = IOIteratorNext(allModems)) |
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{ |
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char bsdPath[MAXPATHLEN]; |
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CFTypeRef bsdPathAsCFString = |
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IORegistryEntryCreateCFProperty(nextModem, |
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CFSTR(kIOCalloutDeviceKey), |
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// kIODialinDeviceKey? |
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kCFAllocatorDefault, 0); |
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*bsdPath = '\0'; |
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if ( bsdPathAsCFString ) |
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{ |
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if ( CFStringGetCString((const __CFString *)bsdPathAsCFString, |
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bsdPath, MAXPATHLEN, |
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kCFStringEncodingASCII) ) |
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{ |
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D(bug("Modem BSD path: %s\n", bsdPath)); |
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|
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// Note that if there are multiple modems, we only get the last |
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PrefsAddString("seriala", bsdPath); |
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} |
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else |
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D(bug("Could not get BSD device path for modem\n")); |
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|
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CFRelease(bsdPathAsCFString); |
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} |
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else |
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D(puts("Cannot determine bsdPath for modem\n")); |
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} |
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|
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IOObjectRelease(nextModem); |
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IOObjectRelease(allModems); |
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|
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|
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// Getting a printer device is a bit harder. Creating a fake device |
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// that emulates a simple printer (e.g. a HP DeskJet) is one possibility, |
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// but for now I will just create a fake, safe, device entry: |
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|
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PrefsAddString("serialb", "/dev/null"); |
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} |
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|
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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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|
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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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|
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|
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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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|
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devname = strdup(name); |
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if ( ! devname ) |
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return false; |
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|
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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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|
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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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|
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D(bug("Opened %s for ioctl()\n", devname)); |
| 403 |
|
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dk_cd_read_toc_t TOCrequest; |
| 405 |
|
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// Setup the ioctl request structure: |
| 407 |
|
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memset(&TOCrequest, 0, sizeof(TOCrequest)); |
| 409 |
TOCrequest.buffer = toc; |
| 410 |
TOCrequest.bufferLength = 804; |
| 411 |
TOCrequest.formatAsTime = kCDTrackInfoAddressTypeTrackNumber; |
| 412 |
|
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if ( ioctl(fd, DKIOCCDREADTOC, &TOCrequest) < 0 ) |
| 414 |
{ |
| 415 |
printf("ioctl(DKIOCCDREADTOC) failed: %s\n", strerror(errno)); |
| 416 |
close(fd); |
| 417 |
free(devname); |
| 418 |
return false; |
| 419 |
} |
| 420 |
if ( TOCrequest.bufferLength < sizeof(CDTOC) ) |
| 421 |
{ |
| 422 |
printf("ioctl(DKIOCCDREADTOC): only read %d bytes (a CDTOC is at least %d)\n", |
| 423 |
TOCrequest.bufferLength, (int)sizeof(CDTOC)); |
| 424 |
close(fd); |
| 425 |
free(devname); |
| 426 |
return false; |
| 427 |
} |
| 428 |
D(bug("ioctl(DKIOCCDREADTOC) read %d bytes\n", TOCrequest.bufferLength)); |
| 429 |
|
| 430 |
close(fd); |
| 431 |
free(devname); |
| 432 |
return true; |
| 433 |
} |
| 434 |
#endif |
