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root/cebix/BasiliskII/src/MacOSX/sys_darwin.cpp
Revision: 1.14
Committed: 2008-02-04T01:02:58Z (16 years, 9 months ago) by nigel
Branch: MAIN
Changes since 1.13: +3 -3 lines
Log Message:
Remove a few 'warning: NULL used in arithmetic'

File Contents

# User Rev Content
1 nigel 1.1 /*
2 nigel 1.14 * $Id: sys_darwin.cpp,v 1.13 2008/01/01 09:40:32 gbeauche Exp $
3 nigel 1.1 *
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 gbeauche 1.13 * Basilisk II (C) 1997-2008 Christian Bauer
11 nigel 1.1 *
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 nigel 1.4 #import <IOKit/serial/IOSerialKeys.h>
32 nigel 1.1 #import <IOKit/storage/IOMedia.h>
33     #import <IOKit/storage/IOMediaBSDClient.h>
34 gbeauche 1.8 #ifdef HAVE_IOKIT_STORAGE_IOBLOCKSTORAGEDEVICE_H
35 nigel 1.5 #import <IOKit/storage/IOBlockStorageDevice.h>
36     #endif
37 nigel 1.1 #import <IOKit/storage/IOCDMedia.h>
38     #import <IOKit/storage/IOCDMediaBSDClient.h>
39     #import <CoreFoundation/CoreFoundation.h>
40    
41 gbeauche 1.9 #include "sysdeps.h"
42 nigel 1.1
43 gbeauche 1.9 #include "sys.h"
44     #include "prefs.h"
45 nigel 1.1
46     #define DEBUG 0
47     #import "debug.h"
48    
49    
50 gbeauche 1.9 // Global variables
51     static CFRunLoopRef media_poll_loop = NULL;
52     static bool media_thread_active = false;
53     static pthread_t media_thread;
54    
55     // Prototypes
56     static void *media_poll_func(void *);
57    
58     // From sys_unix.cpp
59     extern void SysMediaArrived(const char *path, int type);
60     extern void SysMediaRemoved(const char *path, int type);
61    
62 nigel 1.1
63     /*
64 gbeauche 1.9 * Initialization
65 nigel 1.1 */
66    
67 gbeauche 1.9 void DarwinSysInit(void)
68 nigel 1.1 {
69 gbeauche 1.9 media_thread_active = (pthread_create(&media_thread, NULL, media_poll_func, NULL) == 0);
70     D(bug("Media poll thread installed (%ld)\n", media_thread));
71     }
72 nigel 1.1
73    
74 gbeauche 1.9 /*
75     * Deinitialization
76     */
77 nigel 1.1
78 gbeauche 1.9 void DarwinSysExit(void)
79     {
80     // Stop media poll thread
81     if (media_poll_loop)
82     CFRunLoopStop(media_poll_loop);
83     if (media_thread_active)
84     pthread_join(media_thread, NULL);
85     }
86 nigel 1.1
87    
88 gbeauche 1.9 /*
89     * Get the BSD-style path of specified object
90     */
91 nigel 1.1
92 gbeauche 1.9 static kern_return_t get_device_path(io_object_t obj, char *path, size_t maxPathLength)
93     {
94     kern_return_t kernResult = KERN_FAILURE;
95     CFTypeRef pathAsCFString = IORegistryEntryCreateCFProperty(obj, CFSTR(kIOBSDNameKey),
96     kCFAllocatorDefault, 0);
97     if (pathAsCFString) {
98     strcpy(path, "/dev/");
99     size_t pathLength = strlen(path);
100     if (CFStringGetCString((const __CFString *)pathAsCFString,
101     path + pathLength,
102     maxPathLength - pathLength,
103     kCFStringEncodingASCII))
104     kernResult = KERN_SUCCESS;
105     CFRelease(pathAsCFString);
106 nigel 1.1 }
107 gbeauche 1.9 return kernResult;
108     }
109 nigel 1.1
110    
111 gbeauche 1.9 /*
112     * kIOMatchedNotification handler
113     */
114 nigel 1.1
115 gbeauche 1.9 static void media_arrived(int type, io_iterator_t iterator)
116     {
117     io_object_t obj;
118 nigel 1.14 while ((obj = IOIteratorNext(iterator))) {
119 gbeauche 1.9 char path[MAXPATHLEN];
120     kern_return_t kernResult = get_device_path(obj, path, sizeof(path));
121     if (kernResult == KERN_SUCCESS) {
122     D(bug("Media Arrived: %s\n", path));
123     SysMediaArrived(path, type);
124     }
125     kernResult = IOObjectRelease(obj);
126     if (kernResult != KERN_SUCCESS) {
127     fprintf(stderr, "IOObjectRelease() returned %d\n", kernResult);
128     }
129     }
130     }
131 nigel 1.1
132    
133 gbeauche 1.9 /*
134     * kIOTerminatedNotification handler
135     */
136 nigel 1.1
137 gbeauche 1.9 static void media_removed(int type, io_iterator_t iterator)
138     {
139     io_object_t obj;
140 nigel 1.14 while ((obj = IOIteratorNext(iterator))) {
141 gbeauche 1.9 char path[MAXPATHLEN];
142     kern_return_t kernResult = get_device_path(obj, path, sizeof(path));
143     if (kernResult == KERN_SUCCESS) {
144     D(bug("Media Removed: %s\n", path));
145     SysMediaRemoved(path, type);
146     }
147     kernResult = IOObjectRelease(obj);
148     if (kernResult != KERN_SUCCESS) {
149     fprintf(stderr, "IOObjectRelease() returned %d\n", kernResult);
150 nigel 1.1 }
151     }
152 gbeauche 1.9 }
153    
154    
155     /*
156     * Media poll function
157     */
158    
159     static void *media_poll_func(void *)
160     {
161     media_poll_loop = CFRunLoopGetCurrent();
162    
163     mach_port_t masterPort;
164     kern_return_t kernResult = IOMasterPort(bootstrap_port, &masterPort);
165     if (kernResult != KERN_SUCCESS) {
166     fprintf(stderr, "IOMasterPort() returned %d\n", kernResult);
167     return NULL;
168     }
169    
170     CFMutableDictionaryRef matchingDictionary = IOServiceMatching(kIOCDMediaClass);
171     if (matchingDictionary == NULL) {
172     fprintf(stderr, "IOServiceMatching() returned a NULL dictionary\n");
173     return NULL;
174     }
175     matchingDictionary = (CFMutableDictionaryRef)CFRetain(matchingDictionary);
176    
177     IONotificationPortRef notificationPort = IONotificationPortCreate(kIOMasterPortDefault);
178     CFRunLoopAddSource(media_poll_loop,
179     IONotificationPortGetRunLoopSource(notificationPort),
180     kCFRunLoopDefaultMode);
181    
182     io_iterator_t mediaArrivedIterator;
183     kernResult = IOServiceAddMatchingNotification(notificationPort,
184     kIOMatchedNotification,
185     matchingDictionary,
186     (IOServiceMatchingCallback)media_arrived,
187     (void *)MEDIA_CD, &mediaArrivedIterator);
188     if (kernResult != KERN_SUCCESS)
189     fprintf(stderr, "IOServiceAddMatchingNotification() returned %d\n", kernResult);
190     media_arrived(MEDIA_CD, mediaArrivedIterator);
191    
192     io_iterator_t mediaRemovedIterator;
193     kernResult = IOServiceAddMatchingNotification(notificationPort,
194     kIOTerminatedNotification,
195     matchingDictionary,
196     (IOServiceMatchingCallback)media_removed,
197     (void *)MEDIA_CD, &mediaRemovedIterator);
198     if (kernResult != KERN_SUCCESS)
199     fprintf(stderr, "IOServiceAddMatchingNotification() returned %d\n", kernResult);
200     media_removed(MEDIA_CD, mediaRemovedIterator);
201 nigel 1.1
202 gbeauche 1.9 CFRunLoopRun();
203     return NULL;
204 nigel 1.4 }
205    
206    
207     void DarwinAddFloppyPrefs(void)
208     {
209     mach_port_t masterPort; // The way to talk to the kernel
210 nigel 1.6 io_iterator_t allFloppies; // List of possible floppys
211 nigel 1.4 CFMutableDictionaryRef classesToMatch;
212     io_object_t nextFloppy;
213    
214    
215     if ( IOMasterPort(MACH_PORT_NULL, &masterPort) != KERN_SUCCESS )
216     bug("IOMasterPort failed. Won't be able to do anything with floppy drives\n");
217    
218    
219 nigel 1.6 // This selects all partitions of all disks
220 nigel 1.4 classesToMatch = IOServiceMatching(kIOMediaClass);
221     if ( classesToMatch )
222     {
223 nigel 1.6 // Skip drivers and partitions
224     CFDictionarySetValue(classesToMatch,
225     CFSTR(kIOMediaWholeKey), kCFBooleanTrue);
226    
227     // Skip fixed drives (hard disks?)
228 nigel 1.4 CFDictionarySetValue(classesToMatch,
229 nigel 1.6 CFSTR(kIOMediaEjectableKey), kCFBooleanTrue);
230 nigel 1.4 }
231    
232     if ( IOServiceGetMatchingServices(masterPort,
233     classesToMatch, &allFloppies) != KERN_SUCCESS )
234     {
235     D(bug("IOServiceGetMatchingServices failed. No removable drives found?\n"));
236     return;
237     }
238    
239     // Iterate through each floppy
240     while ( nextFloppy = IOIteratorNext(allFloppies))
241     {
242     char bsdPath[MAXPATHLEN];
243 nigel 1.6 long size;
244     CFTypeRef sizeAsCFNumber =
245     IORegistryEntryCreateCFProperty(nextFloppy,
246     CFSTR(kIOMediaSizeKey),
247     kCFAllocatorDefault, 0);
248    
249     if ( CFNumberGetValue((CFNumberRef)sizeAsCFNumber,
250     kCFNumberSInt32Type, &size) )
251     {
252     D(bug("Got size of %ld\n", size));
253     if ( size < 800 * 1024 || size > 1440 * 1024 )
254     {
255 asvitkine 1.11 D(puts("Device does not appear to be 800k or 1440k"));
256 nigel 1.6 continue;
257     }
258     }
259 asvitkine 1.11 else {
260     D(puts("Couldn't get kIOMediaSizeKey of device"));
261     continue; // if kIOMediaSizeKey is unavailable, we shouldn't use it anyway
262     }
263    
264 asvitkine 1.12 if (get_device_path(nextFloppy, bsdPath, sizeof(bsdPath)) == KERN_SUCCESS) {
265     PrefsAddString("floppy", bsdPath);
266     } else {
267     D(bug("Could not get BSD device path for floppy\n"));
268 nigel 1.4 }
269     }
270    
271     IOObjectRelease(nextFloppy);
272     IOObjectRelease(allFloppies);
273     }
274    
275    
276     void DarwinAddSerialPrefs(void)
277     {
278     mach_port_t masterPort; // The way to talk to the kernel
279     io_iterator_t allModems; // List of modems on the system
280     CFMutableDictionaryRef classesToMatch;
281     io_object_t nextModem;
282    
283    
284     if ( IOMasterPort(MACH_PORT_NULL, &masterPort) != KERN_SUCCESS )
285     bug("IOMasterPort failed. Won't be able to do anything with modems\n");
286    
287    
288     // Serial devices are instances of class IOSerialBSDClient
289     classesToMatch = IOServiceMatching(kIOSerialBSDServiceValue);
290     if ( classesToMatch )
291     {
292     // Narrow the search a little further. Each serial device object has
293     // a property with key kIOSerialBSDTypeKey and a value that is one of
294     // kIOSerialBSDAllTypes, kIOSerialBSDModemType, or kIOSerialBSDRS232Type.
295    
296     CFDictionarySetValue(classesToMatch,
297     CFSTR(kIOSerialBSDTypeKey),
298     CFSTR(kIOSerialBSDModemType));
299    
300     // This will find built-in and USB modems, but not serial modems.
301     }
302    
303     if ( IOServiceGetMatchingServices(masterPort,
304     classesToMatch, &allModems) != KERN_SUCCESS )
305     {
306     D(bug("IOServiceGetMatchingServices failed. No modems found?\n"));
307     return;
308     }
309    
310     // Iterate through each modem
311     while ( nextModem = IOIteratorNext(allModems))
312     {
313     char bsdPath[MAXPATHLEN];
314     CFTypeRef bsdPathAsCFString =
315     IORegistryEntryCreateCFProperty(nextModem,
316     CFSTR(kIOCalloutDeviceKey),
317     // kIODialinDeviceKey?
318     kCFAllocatorDefault, 0);
319     *bsdPath = '\0';
320     if ( bsdPathAsCFString )
321     {
322     if ( CFStringGetCString((const __CFString *)bsdPathAsCFString,
323     bsdPath, MAXPATHLEN,
324     kCFStringEncodingASCII) )
325     {
326     D(bug("Modem BSD path: %s\n", bsdPath));
327    
328     // Note that if there are multiple modems, we only get the last
329     PrefsAddString("seriala", bsdPath);
330     }
331     else
332     D(bug("Could not get BSD device path for modem\n"));
333    
334     CFRelease(bsdPathAsCFString);
335     }
336     else
337     D(puts("Cannot determine bsdPath for modem\n"));
338     }
339    
340     IOObjectRelease(nextModem);
341     IOObjectRelease(allModems);
342    
343    
344     // Getting a printer device is a bit harder. Creating a fake device
345     // that emulates a simple printer (e.g. a HP DeskJet) is one possibility,
346     // but for now I will just create a fake, safe, device entry:
347    
348     PrefsAddString("serialb", "/dev/null");
349 nigel 1.1 }
350    
351    
352     #ifdef MAC_OS_X_VERSION_10_2
353     /*
354     * Read CD-ROM TOC (binary MSF format, 804 bytes max.)
355     */
356    
357     bool DarwinCDReadTOC(char *name, uint8 *toc)
358     {
359     char *c, *devname;
360     int fd;
361    
362    
363     // The open filehandle is something like /dev/disk5s1
364     // The DKIOCCDREADTOC ioctl needs the original cd file,
365     // so we strip the s1 suffix off it, and open the file just for this ioctl
366    
367     devname = strdup(name);
368     if ( ! devname )
369     return false;
370    
371     for ( c = devname; *c; ++c ) ; // Go to the end of the name,
372     --c, --c; // point to the 's1' on the end,
373     *c = '\0'; // and truncate the string
374    
375     fd = open(devname, O_RDONLY);
376     if ( ! fd )
377     {
378     printf("Failed to open CD device %s for ioctl\n", devname);
379     free(devname);
380     return false;
381     }
382    
383     D(bug("Opened %s for ioctl()\n", devname));
384    
385     dk_cd_read_toc_t TOCrequest;
386    
387     // Setup the ioctl request structure:
388    
389     memset(&TOCrequest, 0, sizeof(TOCrequest));
390     TOCrequest.buffer = toc;
391     TOCrequest.bufferLength = 804;
392     TOCrequest.formatAsTime = kCDTrackInfoAddressTypeTrackNumber;
393    
394     if ( ioctl(fd, DKIOCCDREADTOC, &TOCrequest) < 0 )
395     {
396     printf("ioctl(DKIOCCDREADTOC) failed: %s\n", strerror(errno));
397     close(fd);
398     free(devname);
399     return false;
400     }
401     if ( TOCrequest.bufferLength < sizeof(CDTOC) )
402     {
403     printf("ioctl(DKIOCCDREADTOC): only read %d bytes (a CDTOC is at least %d)\n",
404     TOCrequest.bufferLength, (int)sizeof(CDTOC));
405     close(fd);
406     free(devname);
407     return false;
408     }
409     D(bug("ioctl(DKIOCCDREADTOC) read %d bytes\n", TOCrequest.bufferLength));
410    
411     close(fd);
412     free(devname);
413     return true;
414     }
415     #endif