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root/cebix/BasiliskII/src/MacOSX/sys_darwin.cpp
Revision: 1.4
Committed: 2004-01-26T11:11:33Z (20 years, 9 months ago) by nigel
Branch: MAIN
Changes since 1.3: +150 -8 lines
Log Message:
Special serial/floppy device locating code

File Contents

# User Rev Content
1 nigel 1.1 /*
2 nigel 1.4 * $Id: sys_darwin.cpp,v 1.3 2004/01/20 23:31:46 nigel 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 cebix 1.2 * Basilisk II (C) 1997-2004 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 nigel 1.4 #import <IOKit/storage/IOBlockStorageDevice.h>
35 nigel 1.1 #import <IOKit/storage/IOCDMedia.h>
36     #import <IOKit/storage/IOCDMediaBSDClient.h>
37     #import <CoreFoundation/CoreFoundation.h>
38    
39     #import "sysdeps.h"
40    
41     #import "prefs.h"
42    
43     #define DEBUG 0
44     #import "debug.h"
45    
46    
47    
48     /*
49     * This gets called when no "cdrom" prefs items are found
50     * It scans for available CD-ROM drives and adds appropriate prefs items
51     */
52    
53     void DarwinAddCDROMPrefs(void)
54     {
55     mach_port_t masterPort; // The way to talk to the kernel
56     io_iterator_t allCDs; // List of CD drives on the system
57     CFMutableDictionaryRef classesToMatch;
58     io_object_t nextCD;
59    
60    
61     // Don't scan for drives if nocdrom option given
62     if ( PrefsFindBool("nocdrom") )
63     return;
64    
65    
66     // Let this task talk to the guts of the kernel:
67     if ( IOMasterPort(MACH_PORT_NULL, &masterPort) != KERN_SUCCESS )
68 nigel 1.4 bug("IOMasterPort failed. Won't be able to do anything with CD drives\n");
69 nigel 1.1
70    
71     // CD media are instances of class kIOCDMediaClass
72     classesToMatch = IOServiceMatching(kIOCDMediaClass);
73     if ( classesToMatch )
74     {
75     // Narrow the search a little further. Each IOMedia object
76     // has a property with key kIOMediaEjectable. We limit
77     // the match only to those CDs that are actually ejectable
78     CFDictionarySetValue(classesToMatch,
79 nigel 1.3 CFSTR(kIOMediaEjectableKey), kCFBooleanTrue);
80 nigel 1.1 }
81    
82     if ( IOServiceGetMatchingServices(masterPort,
83     classesToMatch, &allCDs) != KERN_SUCCESS )
84     {
85     D(bug("IOServiceGetMatchingServices failed. No CD media drives found?\n"));
86     return;
87     }
88    
89    
90     // Iterate through each CD drive
91     while ( nextCD = IOIteratorNext(allCDs))
92     {
93     char bsdPath[MAXPATHLEN];
94     CFTypeRef bsdPathAsCFString =
95 nigel 1.3 IORegistryEntryCreateCFProperty(nextCD,
96     CFSTR(kIOBSDNameKey),
97     kCFAllocatorDefault, 0);
98 nigel 1.1 *bsdPath = '\0';
99     if ( bsdPathAsCFString )
100     {
101     size_t devPathLength;
102    
103     strcpy(bsdPath, "/dev/");
104     devPathLength = strlen(bsdPath);
105    
106     if ( CFStringGetCString((const __CFString *)bsdPathAsCFString,
107     bsdPath + devPathLength,
108     MAXPATHLEN - devPathLength,
109     kCFStringEncodingASCII) )
110     {
111     D(bug("CDROM BSD path: %s\n", bsdPath));
112 nigel 1.4 PrefsAddString("cdrom", bsdPath);
113 nigel 1.1 }
114     else
115     D(bug("Could not get BSD device path for CD\n"));
116    
117     CFRelease(bsdPathAsCFString);
118     }
119 nigel 1.4 else
120     D(bug("Cannot determine bsdPath for CD\n"));
121 nigel 1.1 }
122    
123     IOObjectRelease(nextCD);
124     IOObjectRelease(allCDs);
125 nigel 1.4 }
126    
127    
128     void DarwinAddFloppyPrefs(void)
129     {
130     mach_port_t masterPort; // The way to talk to the kernel
131     io_iterator_t allFloppies; // List of CD drives on the system
132     CFMutableDictionaryRef classesToMatch;
133     io_object_t nextFloppy;
134    
135    
136     if ( IOMasterPort(MACH_PORT_NULL, &masterPort) != KERN_SUCCESS )
137     bug("IOMasterPort failed. Won't be able to do anything with floppy drives\n");
138    
139    
140     classesToMatch = IOServiceMatching(kIOMediaClass);
141     if ( classesToMatch )
142     {
143     // We acually want removables that are _not_ CDs,
144     // but I don't know how to do that yet.
145     CFDictionarySetValue(classesToMatch,
146     CFSTR(kIOMediaRemovableKey), kCFBooleanTrue);
147     }
148    
149     if ( IOServiceGetMatchingServices(masterPort,
150     classesToMatch, &allFloppies) != KERN_SUCCESS )
151     {
152     D(bug("IOServiceGetMatchingServices failed. No removable drives found?\n"));
153     return;
154     }
155    
156    
157     // Iterate through each floppy
158     while ( nextFloppy = IOIteratorNext(allFloppies))
159     {
160     char bsdPath[MAXPATHLEN];
161     CFTypeRef bsdPathAsCFString =
162     IORegistryEntryCreateCFProperty(nextFloppy,
163     CFSTR(kIOBSDNameKey),
164     kCFAllocatorDefault, 0);
165     *bsdPath = '\0';
166     if ( bsdPathAsCFString )
167     {
168     size_t devPathLength;
169    
170     strcpy(bsdPath, "/dev/");
171     devPathLength = strlen(bsdPath);
172    
173     if ( CFStringGetCString((const __CFString *)bsdPathAsCFString,
174     bsdPath + devPathLength,
175     MAXPATHLEN - devPathLength,
176     kCFStringEncodingASCII) )
177     {
178     D(bug("Floppy BSD path: %s\n", bsdPath));
179     PrefsAddString("floppy", bsdPath);
180     }
181     else
182     D(bug("Could not get BSD device path for floppy\n"));
183    
184     CFRelease(bsdPathAsCFString);
185     }
186     else
187     D(bug("Cannot determine bsdPath for floppy\n"));
188     }
189    
190     IOObjectRelease(nextFloppy);
191     IOObjectRelease(allFloppies);
192     }
193    
194    
195     void DarwinAddSerialPrefs(void)
196     {
197     mach_port_t masterPort; // The way to talk to the kernel
198     io_iterator_t allModems; // List of modems on the system
199     CFMutableDictionaryRef classesToMatch;
200     io_object_t nextModem;
201    
202    
203     if ( IOMasterPort(MACH_PORT_NULL, &masterPort) != KERN_SUCCESS )
204     bug("IOMasterPort failed. Won't be able to do anything with modems\n");
205    
206    
207     // Serial devices are instances of class IOSerialBSDClient
208     classesToMatch = IOServiceMatching(kIOSerialBSDServiceValue);
209     if ( classesToMatch )
210     {
211     // Narrow the search a little further. Each serial device object has
212     // a property with key kIOSerialBSDTypeKey and a value that is one of
213     // kIOSerialBSDAllTypes, kIOSerialBSDModemType, or kIOSerialBSDRS232Type.
214    
215     CFDictionarySetValue(classesToMatch,
216     CFSTR(kIOSerialBSDTypeKey),
217     CFSTR(kIOSerialBSDModemType));
218    
219     // This will find built-in and USB modems, but not serial modems.
220     }
221    
222     if ( IOServiceGetMatchingServices(masterPort,
223     classesToMatch, &allModems) != KERN_SUCCESS )
224     {
225     D(bug("IOServiceGetMatchingServices failed. No modems found?\n"));
226     return;
227     }
228    
229     // Iterate through each modem
230     while ( nextModem = IOIteratorNext(allModems))
231     {
232     char bsdPath[MAXPATHLEN];
233     CFTypeRef bsdPathAsCFString =
234     IORegistryEntryCreateCFProperty(nextModem,
235     CFSTR(kIOCalloutDeviceKey),
236     // kIODialinDeviceKey?
237     kCFAllocatorDefault, 0);
238     *bsdPath = '\0';
239     if ( bsdPathAsCFString )
240     {
241     if ( CFStringGetCString((const __CFString *)bsdPathAsCFString,
242     bsdPath, MAXPATHLEN,
243     kCFStringEncodingASCII) )
244     {
245     D(bug("Modem BSD path: %s\n", bsdPath));
246    
247     // Note that if there are multiple modems, we only get the last
248     PrefsAddString("seriala", bsdPath);
249     }
250     else
251     D(bug("Could not get BSD device path for modem\n"));
252    
253     CFRelease(bsdPathAsCFString);
254     }
255     else
256     D(puts("Cannot determine bsdPath for modem\n"));
257     }
258    
259     IOObjectRelease(nextModem);
260     IOObjectRelease(allModems);
261    
262    
263     // Getting a printer device is a bit harder. Creating a fake device
264     // that emulates a simple printer (e.g. a HP DeskJet) is one possibility,
265     // but for now I will just create a fake, safe, device entry:
266    
267     PrefsAddString("serialb", "/dev/null");
268 nigel 1.1 }
269    
270    
271     #ifdef MAC_OS_X_VERSION_10_2
272     /*
273     * Read CD-ROM TOC (binary MSF format, 804 bytes max.)
274     */
275    
276     bool DarwinCDReadTOC(char *name, uint8 *toc)
277     {
278     char *c, *devname;
279     int fd;
280    
281    
282     // The open filehandle is something like /dev/disk5s1
283     // The DKIOCCDREADTOC ioctl needs the original cd file,
284     // so we strip the s1 suffix off it, and open the file just for this ioctl
285    
286     devname = strdup(name);
287     if ( ! devname )
288     return false;
289    
290     for ( c = devname; *c; ++c ) ; // Go to the end of the name,
291     --c, --c; // point to the 's1' on the end,
292     *c = '\0'; // and truncate the string
293    
294     fd = open(devname, O_RDONLY);
295     if ( ! fd )
296     {
297     printf("Failed to open CD device %s for ioctl\n", devname);
298     free(devname);
299     return false;
300     }
301    
302     D(bug("Opened %s for ioctl()\n", devname));
303    
304     dk_cd_read_toc_t TOCrequest;
305    
306     // Setup the ioctl request structure:
307    
308     memset(&TOCrequest, 0, sizeof(TOCrequest));
309     TOCrequest.buffer = toc;
310     TOCrequest.bufferLength = 804;
311     TOCrequest.formatAsTime = kCDTrackInfoAddressTypeTrackNumber;
312    
313     if ( ioctl(fd, DKIOCCDREADTOC, &TOCrequest) < 0 )
314     {
315     printf("ioctl(DKIOCCDREADTOC) failed: %s\n", strerror(errno));
316     close(fd);
317     free(devname);
318     return false;
319     }
320     if ( TOCrequest.bufferLength < sizeof(CDTOC) )
321     {
322     printf("ioctl(DKIOCCDREADTOC): only read %d bytes (a CDTOC is at least %d)\n",
323     TOCrequest.bufferLength, (int)sizeof(CDTOC));
324     close(fd);
325     free(devname);
326     return false;
327     }
328     D(bug("ioctl(DKIOCCDREADTOC) read %d bytes\n", TOCrequest.bufferLength));
329    
330     close(fd);
331     free(devname);
332     return true;
333     }
334     #endif