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root/cebix/BasiliskII/src/MacOSX/sys_darwin.cpp

Comparing BasiliskII/src/MacOSX/sys_darwin.cpp (file contents):
Revision 1.1 by nigel, 2003-03-21T07:05:28Z vs.
Revision 1.13 by gbeauche, 2008-01-01T09:40:32Z

#	Line 7 | Line 7
7		*
8		*      Based on Apple's CDROMSample.c and Evan Jones' cd-discid.c patches
9		*
10	<	*  Basilisk II (C) 1997-2003 Christian Bauer
10	>	*  Basilisk II (C) 1997-2008 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
#	Line 28 | Line 28
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 HAVE_IOKIT_STORAGE_IOBLOCKSTORAGEDEVICE_H
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"
41	>	#include "sysdeps.h"
42
43	<	#import "prefs.h"
43	>	#include "sys.h"
44	>	#include "prefs.h"
45
46		#define DEBUG 0
47		#import "debug.h"
48
49
50	+	// 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
63		/*
64	<	*  This gets called when no "cdrom" prefs items are found
48	<	*  It scans for available CD-ROM drives and adds appropriate prefs items
64	>	*  Initialization
65		*/
66
67	<	void DarwinAddCDROMPrefs(void)
67	>	void DarwinSysInit(void)
68		{
69	<	mach_port_t                             masterPort;     // The way to talk to the kernel
70	<	io_iterator_t                   allCDs;         // List of CD drives on the system
71	<	CFMutableDictionaryRef  classesToMatch;
56	<	io_object_t                             nextCD;
69	>	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
73
74	<	// Don't scan for drives if nocdrom option given
75	<	if ( PrefsFindBool("nocdrom") )
76	<	return;
74	>	/*
75	>	*  Deinitialization
76	>	*/
77	>
78	>	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	>
87	>
88	>	/*
89	>	*  Get the BSD-style path of specified object
90	>	*/
91	>
92	>	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	>	}
107	>	return kernResult;
108	>	}
109	>
110	>
111	>	/*
112	>	*  kIOMatchedNotification handler
113	>	*/
114	>
115	>	static void media_arrived(int type, io_iterator_t iterator)
116	>	{
117	>	io_object_t obj;
118	>	while ((obj = IOIteratorNext(iterator)) != NULL) {
119	>	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	>
132	>
133	>	/*
134	>	*  kIOTerminatedNotification handler
135	>	*/
136	>
137	>	static void media_removed(int type, io_iterator_t iterator)
138	>	{
139	>	io_object_t obj;
140	>	while ((obj = IOIteratorNext(iterator)) != NULL) {
141	>	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	>	}
151	>	}
152	>	}
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	>
202	>	CFRunLoopRun();
203	>	return NULL;
204	>	}
205	>
206	>
207	>	void DarwinAddFloppyPrefs(void)
208	>	{
209	>	mach_port_t                             masterPort;             // The way to talk to the kernel
210	>	io_iterator_t                   allFloppies;    // List of possible floppys
211	>	CFMutableDictionaryRef  classesToMatch;
212	>	io_object_t                             nextFloppy;
213
214
64	–	// Let this task talk to the guts of the kernel:
215		if ( IOMasterPort(MACH_PORT_NULL, &masterPort) != KERN_SUCCESS )
216	<	bug("IOMasterPort failed. Won't be able to do anything with CD drives");
216	>	bug("IOMasterPort failed. Won't be able to do anything with floppy drives\n");
217
218
219	<	// CD media are instances of class kIOCDMediaClass
220	<	classesToMatch = IOServiceMatching(kIOCDMediaClass);
219	>	// This selects all partitions of all disks
220	>	classesToMatch = IOServiceMatching(kIOMediaClass);
221		if ( classesToMatch )
222		{
223	<	// Narrow the search a little further. Each IOMedia object
224	<	// has a property with key kIOMediaEjectable.  We limit
225	<	// the match only to those CDs that are actually ejectable
223	>	// Skip drivers and partitions
224	>	CFDictionarySetValue(classesToMatch,
225	>	CFSTR(kIOMediaWholeKey), kCFBooleanTrue);
226	>
227	>	// Skip fixed drives (hard disks?)
228		CFDictionarySetValue(classesToMatch,
229	<	CFSTR(kIOMediaEjectable), kCFBooleanTrue);
229	>	CFSTR(kIOMediaEjectableKey), kCFBooleanTrue);
230		}
231
232		if ( IOServiceGetMatchingServices(masterPort,
233	<	classesToMatch, &allCDs) != KERN_SUCCESS )
233	>	classesToMatch, &allFloppies) != KERN_SUCCESS )
234		{
235	<	D(bug("IOServiceGetMatchingServices failed. No CD media drives found?\n"));
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	+	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	+	D(puts("Device does not appear to be 800k or 1440k"));
256	+	continue;
257	+	}
258	+	}
259	+	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	+	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	+	}
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 CD drive
311	<	while ( nextCD = IOIteratorNext(allCDs))
310	>	// Iterate through each modem
311	>	while ( nextModem = IOIteratorNext(allModems))
312		{
313		char            bsdPath[MAXPATHLEN];
314		CFTypeRef       bsdPathAsCFString =
315	<	IORegistryEntryCreateCFProperty(nextCD, CFSTR(kIOBSDName),
316	<	kCFAllocatorDefault, 0);
315	>	IORegistryEntryCreateCFProperty(nextModem,
316	>	CFSTR(kIOCalloutDeviceKey),
317	>	// kIODialinDeviceKey?
318	>	kCFAllocatorDefault, 0);
319		*bsdPath = '\0';
320		if ( bsdPathAsCFString )
321		{
98	–	size_t devPathLength;
99	–
100	–	strcpy(bsdPath, "/dev/");
101	–	devPathLength = strlen(bsdPath);
102	–
322		if ( CFStringGetCString((const __CFString *)bsdPathAsCFString,
323	<	bsdPath + devPathLength,
105	<	MAXPATHLEN - devPathLength,
323	>	bsdPath, MAXPATHLEN,
324		kCFStringEncodingASCII) )
325		{
326	<	// If we try to do raw reads on the file bsdPath (e.g. /dev/disk5),
327	<	// we get a lot of extra padding in the data. For some reason,
328	<	// the device we need has a different name (e.g. /dev/disk5s1)
329	<	//strcat(bsdPath, "s1");
112	<	D(bug("CDROM BSD path: %s\n", bsdPath));
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 CD\n"));
332	>	D(bug("Could not get BSD device path for modem\n"));
333
334		CFRelease(bsdPathAsCFString);
335		}
336	<
337	<	PrefsAddString("cdrom", bsdPath);
336	>	else
337	>	D(puts("Cannot determine bsdPath for modem\n"));
338		}
339
340	<	IOObjectRelease(nextCD);
341	<	IOObjectRelease(allCDs);
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		}
350
351

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