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root/cebix/BasiliskII/src/MacOSX/sys_darwin.cpp
Revision: 1.5
Committed: 2004-01-27T04:37:23Z (20 years, 9 months ago) by nigel
Branch: MAIN
CVS Tags: nigel-build-15
Changes since 1.4: +6 -2 lines
Log Message:
Can only use floppy location code on OS X 10.2 or above?

File Contents

# Content
1 /*
2 * $Id: sys_darwin.cpp,v 1.4 2004/01/26 11:11:33 nigel 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/serial/IOSerialKeys.h>
32 #import <IOKit/storage/IOMedia.h>
33 #import <IOKit/storage/IOMediaBSDClient.h>
34 #ifdef MAC_OS_X_VERSION_10_2
35 #import <IOKit/storage/IOBlockStorageDevice.h>
36 #endif
37 #import <IOKit/storage/IOCDMedia.h>
38 #import <IOKit/storage/IOCDMediaBSDClient.h>
39 #import <CoreFoundation/CoreFoundation.h>
40
41 #import "sysdeps.h"
42
43 #import "prefs.h"
44
45 #define DEBUG 0
46 #import "debug.h"
47
48
49
50 /*
51 * This gets called when no "cdrom" prefs items are found
52 * It scans for available CD-ROM drives and adds appropriate prefs items
53 */
54
55 void DarwinAddCDROMPrefs(void)
56 {
57 mach_port_t masterPort; // The way to talk to the kernel
58 io_iterator_t allCDs; // List of CD drives on the system
59 CFMutableDictionaryRef classesToMatch;
60 io_object_t nextCD;
61
62
63 // Don't scan for drives if nocdrom option given
64 if ( PrefsFindBool("nocdrom") )
65 return;
66
67
68 // Let this task talk to the guts of the kernel:
69 if ( IOMasterPort(MACH_PORT_NULL, &masterPort) != KERN_SUCCESS )
70 bug("IOMasterPort failed. Won't be able to do anything with CD drives\n");
71
72
73 // CD media are instances of class kIOCDMediaClass
74 classesToMatch = IOServiceMatching(kIOCDMediaClass);
75 if ( classesToMatch )
76 {
77 // Narrow the search a little further. Each IOMedia object
78 // has a property with key kIOMediaEjectable. We limit
79 // the match only to those CDs that are actually ejectable
80 CFDictionarySetValue(classesToMatch,
81 CFSTR(kIOMediaEjectableKey), kCFBooleanTrue);
82 }
83
84 if ( IOServiceGetMatchingServices(masterPort,
85 classesToMatch, &allCDs) != KERN_SUCCESS )
86 {
87 D(bug("IOServiceGetMatchingServices failed. No CD media drives found?\n"));
88 return;
89 }
90
91
92 // Iterate through each CD drive
93 while ( nextCD = IOIteratorNext(allCDs))
94 {
95 char bsdPath[MAXPATHLEN];
96 CFTypeRef bsdPathAsCFString =
97 IORegistryEntryCreateCFProperty(nextCD,
98 CFSTR(kIOBSDNameKey),
99 kCFAllocatorDefault, 0);
100 *bsdPath = '\0';
101 if ( bsdPathAsCFString )
102 {
103 size_t devPathLength;
104
105 strcpy(bsdPath, "/dev/");
106 devPathLength = strlen(bsdPath);
107
108 if ( CFStringGetCString((const __CFString *)bsdPathAsCFString,
109 bsdPath + devPathLength,
110 MAXPATHLEN - devPathLength,
111 kCFStringEncodingASCII) )
112 {
113 D(bug("CDROM BSD path: %s\n", bsdPath));
114 PrefsAddString("cdrom", bsdPath);
115 }
116 else
117 D(bug("Could not get BSD device path for CD\n"));
118
119 CFRelease(bsdPathAsCFString);
120 }
121 else
122 D(bug("Cannot determine bsdPath for CD\n"));
123 }
124
125 IOObjectRelease(nextCD);
126 IOObjectRelease(allCDs);
127 }
128
129
130 void DarwinAddFloppyPrefs(void)
131 {
132 #ifdef MAC_OS_X_VERSION_10_2
133 mach_port_t masterPort; // The way to talk to the kernel
134 io_iterator_t allFloppies; // List of CD drives on the system
135 CFMutableDictionaryRef classesToMatch;
136 io_object_t nextFloppy;
137
138
139 if ( IOMasterPort(MACH_PORT_NULL, &masterPort) != KERN_SUCCESS )
140 bug("IOMasterPort failed. Won't be able to do anything with floppy drives\n");
141
142
143 classesToMatch = IOServiceMatching(kIOMediaClass);
144 if ( classesToMatch )
145 {
146 // We acually want removables that are _not_ CDs,
147 // but I don't know how to do that yet.
148 CFDictionarySetValue(classesToMatch,
149 CFSTR(kIOMediaRemovableKey), kCFBooleanTrue);
150 }
151
152 if ( IOServiceGetMatchingServices(masterPort,
153 classesToMatch, &allFloppies) != KERN_SUCCESS )
154 {
155 D(bug("IOServiceGetMatchingServices failed. No removable drives found?\n"));
156 return;
157 }
158
159
160 // Iterate through each floppy
161 while ( nextFloppy = IOIteratorNext(allFloppies))
162 {
163 char bsdPath[MAXPATHLEN];
164 CFTypeRef bsdPathAsCFString =
165 IORegistryEntryCreateCFProperty(nextFloppy,
166 CFSTR(kIOBSDNameKey),
167 kCFAllocatorDefault, 0);
168 *bsdPath = '\0';
169 if ( bsdPathAsCFString )
170 {
171 size_t devPathLength;
172
173 strcpy(bsdPath, "/dev/");
174 devPathLength = strlen(bsdPath);
175
176 if ( CFStringGetCString((const __CFString *)bsdPathAsCFString,
177 bsdPath + devPathLength,
178 MAXPATHLEN - devPathLength,
179 kCFStringEncodingASCII) )
180 {
181 D(bug("Floppy BSD path: %s\n", bsdPath));
182 PrefsAddString("floppy", bsdPath);
183 }
184 else
185 D(bug("Could not get BSD device path for floppy\n"));
186
187 CFRelease(bsdPathAsCFString);
188 }
189 else
190 D(bug("Cannot determine bsdPath for floppy\n"));
191 }
192
193 IOObjectRelease(nextFloppy);
194 IOObjectRelease(allFloppies);
195 #endif
196 }
197
198
199 void DarwinAddSerialPrefs(void)
200 {
201 mach_port_t masterPort; // The way to talk to the kernel
202 io_iterator_t allModems; // List of modems on the system
203 CFMutableDictionaryRef classesToMatch;
204 io_object_t nextModem;
205
206
207 if ( IOMasterPort(MACH_PORT_NULL, &masterPort) != KERN_SUCCESS )
208 bug("IOMasterPort failed. Won't be able to do anything with modems\n");
209
210
211 // Serial devices are instances of class IOSerialBSDClient
212 classesToMatch = IOServiceMatching(kIOSerialBSDServiceValue);
213 if ( classesToMatch )
214 {
215 // Narrow the search a little further. Each serial device object has
216 // a property with key kIOSerialBSDTypeKey and a value that is one of
217 // kIOSerialBSDAllTypes, kIOSerialBSDModemType, or kIOSerialBSDRS232Type.
218
219 CFDictionarySetValue(classesToMatch,
220 CFSTR(kIOSerialBSDTypeKey),
221 CFSTR(kIOSerialBSDModemType));
222
223 // This will find built-in and USB modems, but not serial modems.
224 }
225
226 if ( IOServiceGetMatchingServices(masterPort,
227 classesToMatch, &allModems) != KERN_SUCCESS )
228 {
229 D(bug("IOServiceGetMatchingServices failed. No modems found?\n"));
230 return;
231 }
232
233 // Iterate through each modem
234 while ( nextModem = IOIteratorNext(allModems))
235 {
236 char bsdPath[MAXPATHLEN];
237 CFTypeRef bsdPathAsCFString =
238 IORegistryEntryCreateCFProperty(nextModem,
239 CFSTR(kIOCalloutDeviceKey),
240 // kIODialinDeviceKey?
241 kCFAllocatorDefault, 0);
242 *bsdPath = '\0';
243 if ( bsdPathAsCFString )
244 {
245 if ( CFStringGetCString((const __CFString *)bsdPathAsCFString,
246 bsdPath, MAXPATHLEN,
247 kCFStringEncodingASCII) )
248 {
249 D(bug("Modem BSD path: %s\n", bsdPath));
250
251 // Note that if there are multiple modems, we only get the last
252 PrefsAddString("seriala", bsdPath);
253 }
254 else
255 D(bug("Could not get BSD device path for modem\n"));
256
257 CFRelease(bsdPathAsCFString);
258 }
259 else
260 D(puts("Cannot determine bsdPath for modem\n"));
261 }
262
263 IOObjectRelease(nextModem);
264 IOObjectRelease(allModems);
265
266
267 // Getting a printer device is a bit harder. Creating a fake device
268 // that emulates a simple printer (e.g. a HP DeskJet) is one possibility,
269 // but for now I will just create a fake, safe, device entry:
270
271 PrefsAddString("serialb", "/dev/null");
272 }
273
274
275 #ifdef MAC_OS_X_VERSION_10_2
276 /*
277 * Read CD-ROM TOC (binary MSF format, 804 bytes max.)
278 */
279
280 bool DarwinCDReadTOC(char *name, uint8 *toc)
281 {
282 char *c, *devname;
283 int fd;
284
285
286 // The open filehandle is something like /dev/disk5s1
287 // The DKIOCCDREADTOC ioctl needs the original cd file,
288 // so we strip the s1 suffix off it, and open the file just for this ioctl
289
290 devname = strdup(name);
291 if ( ! devname )
292 return false;
293
294 for ( c = devname; *c; ++c ) ; // Go to the end of the name,
295 --c, --c; // point to the 's1' on the end,
296 *c = '\0'; // and truncate the string
297
298 fd = open(devname, O_RDONLY);
299 if ( ! fd )
300 {
301 printf("Failed to open CD device %s for ioctl\n", devname);
302 free(devname);
303 return false;
304 }
305
306 D(bug("Opened %s for ioctl()\n", devname));
307
308 dk_cd_read_toc_t TOCrequest;
309
310 // Setup the ioctl request structure:
311
312 memset(&TOCrequest, 0, sizeof(TOCrequest));
313 TOCrequest.buffer = toc;
314 TOCrequest.bufferLength = 804;
315 TOCrequest.formatAsTime = kCDTrackInfoAddressTypeTrackNumber;
316
317 if ( ioctl(fd, DKIOCCDREADTOC, &TOCrequest) < 0 )
318 {
319 printf("ioctl(DKIOCCDREADTOC) failed: %s\n", strerror(errno));
320 close(fd);
321 free(devname);
322 return false;
323 }
324 if ( TOCrequest.bufferLength < sizeof(CDTOC) )
325 {
326 printf("ioctl(DKIOCCDREADTOC): only read %d bytes (a CDTOC is at least %d)\n",
327 TOCrequest.bufferLength, (int)sizeof(CDTOC));
328 close(fd);
329 free(devname);
330 return false;
331 }
332 D(bug("ioctl(DKIOCCDREADTOC) read %d bytes\n", TOCrequest.bufferLength));
333
334 close(fd);
335 free(devname);
336 return true;
337 }
338 #endif