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1 | /* | |
2 | * QEMU System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | #include <unistd.h> | |
25 | #include <fcntl.h> | |
26 | #include <signal.h> | |
27 | #include <time.h> | |
28 | #include <errno.h> | |
29 | #include <sys/time.h> | |
30 | #include <zlib.h> | |
31 | ||
32 | /* Needed early for CONFIG_BSD etc. */ | |
33 | #include "config-host.h" | |
34 | ||
35 | #ifndef _WIN32 | |
36 | #include <libgen.h> | |
37 | #include <pwd.h> | |
38 | #include <sys/times.h> | |
39 | #include <sys/wait.h> | |
40 | #include <termios.h> | |
41 | #include <sys/mman.h> | |
42 | #include <sys/ioctl.h> | |
43 | #include <sys/resource.h> | |
44 | #include <sys/socket.h> | |
45 | #include <netinet/in.h> | |
46 | #include <net/if.h> | |
47 | #include <arpa/inet.h> | |
48 | #include <dirent.h> | |
49 | #include <netdb.h> | |
50 | #include <sys/select.h> | |
51 | #ifdef CONFIG_BSD | |
52 | #include <sys/stat.h> | |
53 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) | |
54 | #include <libutil.h> | |
55 | #else | |
56 | #include <util.h> | |
57 | #endif | |
58 | #else | |
59 | #ifdef __linux__ | |
60 | #include <pty.h> | |
61 | #include <malloc.h> | |
62 | #include <linux/rtc.h> | |
63 | #include <sys/prctl.h> | |
64 | ||
65 | /* For the benefit of older linux systems which don't supply it, | |
66 | we use a local copy of hpet.h. */ | |
67 | /* #include <linux/hpet.h> */ | |
68 | #include "hpet.h" | |
69 | ||
70 | #include <linux/ppdev.h> | |
71 | #include <linux/parport.h> | |
72 | #endif | |
73 | #ifdef __sun__ | |
74 | #include <sys/stat.h> | |
75 | #include <sys/ethernet.h> | |
76 | #include <sys/sockio.h> | |
77 | #include <netinet/arp.h> | |
78 | #include <netinet/in.h> | |
79 | #include <netinet/in_systm.h> | |
80 | #include <netinet/ip.h> | |
81 | #include <netinet/ip_icmp.h> // must come after ip.h | |
82 | #include <netinet/udp.h> | |
83 | #include <netinet/tcp.h> | |
84 | #include <net/if.h> | |
85 | #include <syslog.h> | |
86 | #include <stropts.h> | |
87 | /* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for | |
88 | discussion about Solaris header problems */ | |
89 | extern int madvise(caddr_t, size_t, int); | |
90 | #endif | |
91 | #endif | |
92 | #endif | |
93 | ||
94 | #if defined(__OpenBSD__) | |
95 | #include <util.h> | |
96 | #endif | |
97 | ||
98 | #if defined(CONFIG_VDE) | |
99 | #include <libvdeplug.h> | |
100 | #endif | |
101 | ||
102 | #ifdef _WIN32 | |
103 | #include <windows.h> | |
104 | #include <mmsystem.h> | |
105 | #endif | |
106 | ||
107 | #ifdef CONFIG_SDL | |
108 | #if defined(__APPLE__) || defined(main) | |
109 | #include <SDL.h> | |
110 | int qemu_main(int argc, char **argv, char **envp); | |
111 | int main(int argc, char **argv) | |
112 | { | |
113 | return qemu_main(argc, argv, NULL); | |
114 | } | |
115 | #undef main | |
116 | #define main qemu_main | |
117 | #endif | |
118 | #endif /* CONFIG_SDL */ | |
119 | ||
120 | #ifdef CONFIG_COCOA | |
121 | #undef main | |
122 | #define main qemu_main | |
123 | #endif /* CONFIG_COCOA */ | |
124 | ||
125 | #include "hw/hw.h" | |
126 | #include "hw/boards.h" | |
127 | #include "hw/usb.h" | |
128 | #include "hw/pcmcia.h" | |
129 | #include "hw/pc.h" | |
130 | #include "hw/audiodev.h" | |
131 | #include "hw/isa.h" | |
132 | #include "hw/baum.h" | |
133 | #include "hw/bt.h" | |
134 | #include "hw/watchdog.h" | |
135 | #include "hw/smbios.h" | |
136 | #include "hw/xen.h" | |
137 | #include "hw/qdev.h" | |
138 | #include "hw/loader.h" | |
139 | #include "bt-host.h" | |
140 | #include "net.h" | |
141 | #include "net/slirp.h" | |
142 | #include "monitor.h" | |
143 | #include "console.h" | |
144 | #include "sysemu.h" | |
145 | #include "gdbstub.h" | |
146 | #include "qemu-timer.h" | |
147 | #include "qemu-char.h" | |
148 | #include "cache-utils.h" | |
149 | #include "block.h" | |
150 | #include "block_int.h" | |
151 | #include "block-migration.h" | |
152 | #include "dma.h" | |
153 | #include "audio/audio.h" | |
154 | #include "migration.h" | |
155 | #include "kvm.h" | |
156 | #include "balloon.h" | |
157 | #include "qemu-option.h" | |
158 | #include "qemu-config.h" | |
159 | #include "qemu-objects.h" | |
160 | ||
161 | #include "disas.h" | |
162 | ||
163 | #include "exec-all.h" | |
164 | ||
165 | #include "qemu_socket.h" | |
166 | ||
167 | #include "slirp/libslirp.h" | |
168 | ||
169 | #include "qemu-queue.h" | |
170 | ||
171 | //#define DEBUG_NET | |
172 | //#define DEBUG_SLIRP | |
173 | ||
174 | #define DEFAULT_RAM_SIZE 128 | |
175 | ||
176 | static const char *data_dir; | |
177 | const char *bios_name = NULL; | |
178 | /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available | |
179 | to store the VM snapshots */ | |
180 | struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives); | |
181 | struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts); | |
182 | enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; | |
183 | static DisplayState *display_state; | |
184 | DisplayType display_type = DT_DEFAULT; | |
185 | const char* keyboard_layout = NULL; | |
186 | ram_addr_t ram_size; | |
187 | int nb_nics; | |
188 | NICInfo nd_table[MAX_NICS]; | |
189 | int vm_running; | |
190 | int autostart; | |
191 | static int rtc_utc = 1; | |
192 | static int rtc_date_offset = -1; /* -1 means no change */ | |
193 | QEMUClock *rtc_clock; | |
194 | int vga_interface_type = VGA_NONE; | |
195 | #ifdef TARGET_SPARC | |
196 | int graphic_width = 1024; | |
197 | int graphic_height = 768; | |
198 | int graphic_depth = 8; | |
199 | #else | |
200 | int graphic_width = 800; | |
201 | int graphic_height = 600; | |
202 | int graphic_depth = 15; | |
203 | #endif | |
204 | static int full_screen = 0; | |
205 | #ifdef CONFIG_SDL | |
206 | static int no_frame = 0; | |
207 | #endif | |
208 | int no_quit = 0; | |
209 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; | |
210 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; | |
211 | CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; | |
212 | #ifdef TARGET_I386 | |
213 | int win2k_install_hack = 0; | |
214 | int rtc_td_hack = 0; | |
215 | #endif | |
216 | int usb_enabled = 0; | |
217 | int singlestep = 0; | |
218 | int smp_cpus = 1; | |
219 | int max_cpus = 0; | |
220 | int smp_cores = 1; | |
221 | int smp_threads = 1; | |
222 | const char *vnc_display; | |
223 | int acpi_enabled = 1; | |
224 | int no_hpet = 0; | |
225 | int fd_bootchk = 1; | |
226 | int no_reboot = 0; | |
227 | int no_shutdown = 0; | |
228 | int cursor_hide = 1; | |
229 | int graphic_rotate = 0; | |
230 | uint8_t irq0override = 1; | |
231 | #ifndef _WIN32 | |
232 | int daemonize = 0; | |
233 | #endif | |
234 | const char *watchdog; | |
235 | const char *option_rom[MAX_OPTION_ROMS]; | |
236 | int nb_option_roms; | |
237 | int semihosting_enabled = 0; | |
238 | #ifdef TARGET_ARM | |
239 | int old_param = 0; | |
240 | #endif | |
241 | const char *qemu_name; | |
242 | int alt_grab = 0; | |
243 | int ctrl_grab = 0; | |
244 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) | |
245 | unsigned int nb_prom_envs = 0; | |
246 | const char *prom_envs[MAX_PROM_ENVS]; | |
247 | #endif | |
248 | int boot_menu; | |
249 | ||
250 | int nb_numa_nodes; | |
251 | uint64_t node_mem[MAX_NODES]; | |
252 | uint64_t node_cpumask[MAX_NODES]; | |
253 | ||
254 | static CPUState *cur_cpu; | |
255 | static CPUState *next_cpu; | |
256 | static int timer_alarm_pending = 1; | |
257 | /* Conversion factor from emulated instructions to virtual clock ticks. */ | |
258 | static int icount_time_shift; | |
259 | /* Arbitrarily pick 1MIPS as the minimum allowable speed. */ | |
260 | #define MAX_ICOUNT_SHIFT 10 | |
261 | /* Compensate for varying guest execution speed. */ | |
262 | static int64_t qemu_icount_bias; | |
263 | static QEMUTimer *icount_rt_timer; | |
264 | static QEMUTimer *icount_vm_timer; | |
265 | static QEMUTimer *nographic_timer; | |
266 | ||
267 | uint8_t qemu_uuid[16]; | |
268 | ||
269 | static QEMUBootSetHandler *boot_set_handler; | |
270 | static void *boot_set_opaque; | |
271 | ||
272 | static int default_serial = 1; | |
273 | static int default_parallel = 1; | |
274 | static int default_virtcon = 1; | |
275 | static int default_monitor = 1; | |
276 | static int default_vga = 1; | |
277 | static int default_floppy = 1; | |
278 | static int default_cdrom = 1; | |
279 | static int default_sdcard = 1; | |
280 | ||
281 | static struct { | |
282 | const char *driver; | |
283 | int *flag; | |
284 | } default_list[] = { | |
285 | { .driver = "isa-serial", .flag = &default_serial }, | |
286 | { .driver = "isa-parallel", .flag = &default_parallel }, | |
287 | { .driver = "isa-fdc", .flag = &default_floppy }, | |
288 | { .driver = "ide-drive", .flag = &default_cdrom }, | |
289 | { .driver = "virtio-console-pci", .flag = &default_virtcon }, | |
290 | { .driver = "virtio-console-s390", .flag = &default_virtcon }, | |
291 | { .driver = "VGA", .flag = &default_vga }, | |
292 | { .driver = "cirrus-vga", .flag = &default_vga }, | |
293 | { .driver = "vmware-svga", .flag = &default_vga }, | |
294 | }; | |
295 | ||
296 | static int default_driver_check(QemuOpts *opts, void *opaque) | |
297 | { | |
298 | const char *driver = qemu_opt_get(opts, "driver"); | |
299 | int i; | |
300 | ||
301 | if (!driver) | |
302 | return 0; | |
303 | for (i = 0; i < ARRAY_SIZE(default_list); i++) { | |
304 | if (strcmp(default_list[i].driver, driver) != 0) | |
305 | continue; | |
306 | *(default_list[i].flag) = 0; | |
307 | } | |
308 | return 0; | |
309 | } | |
310 | ||
311 | /***********************************************************/ | |
312 | /* x86 ISA bus support */ | |
313 | ||
314 | target_phys_addr_t isa_mem_base = 0; | |
315 | PicState2 *isa_pic; | |
316 | ||
317 | /***********************************************************/ | |
318 | void hw_error(const char *fmt, ...) | |
319 | { | |
320 | va_list ap; | |
321 | CPUState *env; | |
322 | ||
323 | va_start(ap, fmt); | |
324 | fprintf(stderr, "qemu: hardware error: "); | |
325 | vfprintf(stderr, fmt, ap); | |
326 | fprintf(stderr, "\n"); | |
327 | for(env = first_cpu; env != NULL; env = env->next_cpu) { | |
328 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
329 | #ifdef TARGET_I386 | |
330 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); | |
331 | #else | |
332 | cpu_dump_state(env, stderr, fprintf, 0); | |
333 | #endif | |
334 | } | |
335 | va_end(ap); | |
336 | abort(); | |
337 | } | |
338 | ||
339 | static void set_proc_name(const char *s) | |
340 | { | |
341 | #if defined(__linux__) && defined(PR_SET_NAME) | |
342 | char name[16]; | |
343 | if (!s) | |
344 | return; | |
345 | name[sizeof(name) - 1] = 0; | |
346 | strncpy(name, s, sizeof(name)); | |
347 | /* Could rewrite argv[0] too, but that's a bit more complicated. | |
348 | This simple way is enough for `top'. */ | |
349 | prctl(PR_SET_NAME, name); | |
350 | #endif | |
351 | } | |
352 | ||
353 | /***************/ | |
354 | /* ballooning */ | |
355 | ||
356 | static QEMUBalloonEvent *qemu_balloon_event; | |
357 | void *qemu_balloon_event_opaque; | |
358 | ||
359 | void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) | |
360 | { | |
361 | qemu_balloon_event = func; | |
362 | qemu_balloon_event_opaque = opaque; | |
363 | } | |
364 | ||
365 | void qemu_balloon(ram_addr_t target) | |
366 | { | |
367 | if (qemu_balloon_event) | |
368 | qemu_balloon_event(qemu_balloon_event_opaque, target); | |
369 | } | |
370 | ||
371 | ram_addr_t qemu_balloon_status(void) | |
372 | { | |
373 | if (qemu_balloon_event) | |
374 | return qemu_balloon_event(qemu_balloon_event_opaque, 0); | |
375 | return 0; | |
376 | } | |
377 | ||
378 | /***********************************************************/ | |
379 | /* keyboard/mouse */ | |
380 | ||
381 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
382 | static void *qemu_put_kbd_event_opaque; | |
383 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; | |
384 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; | |
385 | ||
386 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
387 | { | |
388 | qemu_put_kbd_event_opaque = opaque; | |
389 | qemu_put_kbd_event = func; | |
390 | } | |
391 | ||
392 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, | |
393 | void *opaque, int absolute, | |
394 | const char *name) | |
395 | { | |
396 | QEMUPutMouseEntry *s, *cursor; | |
397 | ||
398 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); | |
399 | ||
400 | s->qemu_put_mouse_event = func; | |
401 | s->qemu_put_mouse_event_opaque = opaque; | |
402 | s->qemu_put_mouse_event_absolute = absolute; | |
403 | s->qemu_put_mouse_event_name = qemu_strdup(name); | |
404 | s->next = NULL; | |
405 | ||
406 | if (!qemu_put_mouse_event_head) { | |
407 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; | |
408 | return s; | |
409 | } | |
410 | ||
411 | cursor = qemu_put_mouse_event_head; | |
412 | while (cursor->next != NULL) | |
413 | cursor = cursor->next; | |
414 | ||
415 | cursor->next = s; | |
416 | qemu_put_mouse_event_current = s; | |
417 | ||
418 | return s; | |
419 | } | |
420 | ||
421 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) | |
422 | { | |
423 | QEMUPutMouseEntry *prev = NULL, *cursor; | |
424 | ||
425 | if (!qemu_put_mouse_event_head || entry == NULL) | |
426 | return; | |
427 | ||
428 | cursor = qemu_put_mouse_event_head; | |
429 | while (cursor != NULL && cursor != entry) { | |
430 | prev = cursor; | |
431 | cursor = cursor->next; | |
432 | } | |
433 | ||
434 | if (cursor == NULL) // does not exist or list empty | |
435 | return; | |
436 | else if (prev == NULL) { // entry is head | |
437 | qemu_put_mouse_event_head = cursor->next; | |
438 | if (qemu_put_mouse_event_current == entry) | |
439 | qemu_put_mouse_event_current = cursor->next; | |
440 | qemu_free(entry->qemu_put_mouse_event_name); | |
441 | qemu_free(entry); | |
442 | return; | |
443 | } | |
444 | ||
445 | prev->next = entry->next; | |
446 | ||
447 | if (qemu_put_mouse_event_current == entry) | |
448 | qemu_put_mouse_event_current = prev; | |
449 | ||
450 | qemu_free(entry->qemu_put_mouse_event_name); | |
451 | qemu_free(entry); | |
452 | } | |
453 | ||
454 | void kbd_put_keycode(int keycode) | |
455 | { | |
456 | if (qemu_put_kbd_event) { | |
457 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
458 | } | |
459 | } | |
460 | ||
461 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
462 | { | |
463 | QEMUPutMouseEvent *mouse_event; | |
464 | void *mouse_event_opaque; | |
465 | int width; | |
466 | ||
467 | if (!qemu_put_mouse_event_current) { | |
468 | return; | |
469 | } | |
470 | ||
471 | mouse_event = | |
472 | qemu_put_mouse_event_current->qemu_put_mouse_event; | |
473 | mouse_event_opaque = | |
474 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; | |
475 | ||
476 | if (mouse_event) { | |
477 | if (graphic_rotate) { | |
478 | if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) | |
479 | width = 0x7fff; | |
480 | else | |
481 | width = graphic_width - 1; | |
482 | mouse_event(mouse_event_opaque, | |
483 | width - dy, dx, dz, buttons_state); | |
484 | } else | |
485 | mouse_event(mouse_event_opaque, | |
486 | dx, dy, dz, buttons_state); | |
487 | } | |
488 | } | |
489 | ||
490 | int kbd_mouse_is_absolute(void) | |
491 | { | |
492 | if (!qemu_put_mouse_event_current) | |
493 | return 0; | |
494 | ||
495 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; | |
496 | } | |
497 | ||
498 | static void info_mice_iter(QObject *data, void *opaque) | |
499 | { | |
500 | QDict *mouse; | |
501 | Monitor *mon = opaque; | |
502 | ||
503 | mouse = qobject_to_qdict(data); | |
504 | monitor_printf(mon, "%c Mouse #%" PRId64 ": %s\n", | |
505 | (qdict_get_bool(mouse, "current") ? '*' : ' '), | |
506 | qdict_get_int(mouse, "index"), qdict_get_str(mouse, "name")); | |
507 | } | |
508 | ||
509 | void do_info_mice_print(Monitor *mon, const QObject *data) | |
510 | { | |
511 | QList *mice_list; | |
512 | ||
513 | mice_list = qobject_to_qlist(data); | |
514 | if (qlist_empty(mice_list)) { | |
515 | monitor_printf(mon, "No mouse devices connected\n"); | |
516 | return; | |
517 | } | |
518 | ||
519 | qlist_iter(mice_list, info_mice_iter, mon); | |
520 | } | |
521 | ||
522 | /** | |
523 | * do_info_mice(): Show VM mice information | |
524 | * | |
525 | * Each mouse is represented by a QDict, the returned QObject is a QList of | |
526 | * all mice. | |
527 | * | |
528 | * The mouse QDict contains the following: | |
529 | * | |
530 | * - "name": mouse's name | |
531 | * - "index": mouse's index | |
532 | * - "current": true if this mouse is receiving events, false otherwise | |
533 | * | |
534 | * Example: | |
535 | * | |
536 | * [ { "name": "QEMU Microsoft Mouse", "index": 0, "current": false }, | |
537 | * { "name": "QEMU PS/2 Mouse", "index": 1, "current": true } ] | |
538 | */ | |
539 | void do_info_mice(Monitor *mon, QObject **ret_data) | |
540 | { | |
541 | QEMUPutMouseEntry *cursor; | |
542 | QList *mice_list; | |
543 | int index = 0; | |
544 | ||
545 | mice_list = qlist_new(); | |
546 | ||
547 | if (!qemu_put_mouse_event_head) { | |
548 | goto out; | |
549 | } | |
550 | ||
551 | cursor = qemu_put_mouse_event_head; | |
552 | while (cursor != NULL) { | |
553 | QObject *obj; | |
554 | obj = qobject_from_jsonf("{ 'name': %s, 'index': %d, 'current': %i }", | |
555 | cursor->qemu_put_mouse_event_name, | |
556 | index, cursor == qemu_put_mouse_event_current); | |
557 | qlist_append_obj(mice_list, obj); | |
558 | index++; | |
559 | cursor = cursor->next; | |
560 | } | |
561 | ||
562 | out: | |
563 | *ret_data = QOBJECT(mice_list); | |
564 | } | |
565 | ||
566 | void do_mouse_set(Monitor *mon, const QDict *qdict) | |
567 | { | |
568 | QEMUPutMouseEntry *cursor; | |
569 | int i = 0; | |
570 | int index = qdict_get_int(qdict, "index"); | |
571 | ||
572 | if (!qemu_put_mouse_event_head) { | |
573 | monitor_printf(mon, "No mouse devices connected\n"); | |
574 | return; | |
575 | } | |
576 | ||
577 | cursor = qemu_put_mouse_event_head; | |
578 | while (cursor != NULL && index != i) { | |
579 | i++; | |
580 | cursor = cursor->next; | |
581 | } | |
582 | ||
583 | if (cursor != NULL) | |
584 | qemu_put_mouse_event_current = cursor; | |
585 | else | |
586 | monitor_printf(mon, "Mouse at given index not found\n"); | |
587 | } | |
588 | ||
589 | /* compute with 96 bit intermediate result: (a*b)/c */ | |
590 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
591 | { | |
592 | union { | |
593 | uint64_t ll; | |
594 | struct { | |
595 | #ifdef HOST_WORDS_BIGENDIAN | |
596 | uint32_t high, low; | |
597 | #else | |
598 | uint32_t low, high; | |
599 | #endif | |
600 | } l; | |
601 | } u, res; | |
602 | uint64_t rl, rh; | |
603 | ||
604 | u.ll = a; | |
605 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
606 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
607 | rh += (rl >> 32); | |
608 | res.l.high = rh / c; | |
609 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
610 | return res.ll; | |
611 | } | |
612 | ||
613 | /***********************************************************/ | |
614 | /* real time host monotonic timer */ | |
615 | ||
616 | static int64_t get_clock_realtime(void) | |
617 | { | |
618 | struct timeval tv; | |
619 | ||
620 | gettimeofday(&tv, NULL); | |
621 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); | |
622 | } | |
623 | ||
624 | #ifdef WIN32 | |
625 | ||
626 | static int64_t clock_freq; | |
627 | ||
628 | static void init_get_clock(void) | |
629 | { | |
630 | LARGE_INTEGER freq; | |
631 | int ret; | |
632 | ret = QueryPerformanceFrequency(&freq); | |
633 | if (ret == 0) { | |
634 | fprintf(stderr, "Could not calibrate ticks\n"); | |
635 | exit(1); | |
636 | } | |
637 | clock_freq = freq.QuadPart; | |
638 | } | |
639 | ||
640 | static int64_t get_clock(void) | |
641 | { | |
642 | LARGE_INTEGER ti; | |
643 | QueryPerformanceCounter(&ti); | |
644 | return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq); | |
645 | } | |
646 | ||
647 | #else | |
648 | ||
649 | static int use_rt_clock; | |
650 | ||
651 | static void init_get_clock(void) | |
652 | { | |
653 | use_rt_clock = 0; | |
654 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ | |
655 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) | |
656 | { | |
657 | struct timespec ts; | |
658 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { | |
659 | use_rt_clock = 1; | |
660 | } | |
661 | } | |
662 | #endif | |
663 | } | |
664 | ||
665 | static int64_t get_clock(void) | |
666 | { | |
667 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ | |
668 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) | |
669 | if (use_rt_clock) { | |
670 | struct timespec ts; | |
671 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
672 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; | |
673 | } else | |
674 | #endif | |
675 | { | |
676 | /* XXX: using gettimeofday leads to problems if the date | |
677 | changes, so it should be avoided. */ | |
678 | return get_clock_realtime(); | |
679 | } | |
680 | } | |
681 | #endif | |
682 | ||
683 | /* Return the virtual CPU time, based on the instruction counter. */ | |
684 | static int64_t cpu_get_icount(void) | |
685 | { | |
686 | int64_t icount; | |
687 | CPUState *env = cpu_single_env;; | |
688 | icount = qemu_icount; | |
689 | if (env) { | |
690 | if (!can_do_io(env)) | |
691 | fprintf(stderr, "Bad clock read\n"); | |
692 | icount -= (env->icount_decr.u16.low + env->icount_extra); | |
693 | } | |
694 | return qemu_icount_bias + (icount << icount_time_shift); | |
695 | } | |
696 | ||
697 | /***********************************************************/ | |
698 | /* guest cycle counter */ | |
699 | ||
700 | typedef struct TimersState { | |
701 | int64_t cpu_ticks_prev; | |
702 | int64_t cpu_ticks_offset; | |
703 | int64_t cpu_clock_offset; | |
704 | int32_t cpu_ticks_enabled; | |
705 | int64_t dummy; | |
706 | } TimersState; | |
707 | ||
708 | TimersState timers_state; | |
709 | ||
710 | /* return the host CPU cycle counter and handle stop/restart */ | |
711 | int64_t cpu_get_ticks(void) | |
712 | { | |
713 | if (use_icount) { | |
714 | return cpu_get_icount(); | |
715 | } | |
716 | if (!timers_state.cpu_ticks_enabled) { | |
717 | return timers_state.cpu_ticks_offset; | |
718 | } else { | |
719 | int64_t ticks; | |
720 | ticks = cpu_get_real_ticks(); | |
721 | if (timers_state.cpu_ticks_prev > ticks) { | |
722 | /* Note: non increasing ticks may happen if the host uses | |
723 | software suspend */ | |
724 | timers_state.cpu_ticks_offset += timers_state.cpu_ticks_prev - ticks; | |
725 | } | |
726 | timers_state.cpu_ticks_prev = ticks; | |
727 | return ticks + timers_state.cpu_ticks_offset; | |
728 | } | |
729 | } | |
730 | ||
731 | /* return the host CPU monotonic timer and handle stop/restart */ | |
732 | static int64_t cpu_get_clock(void) | |
733 | { | |
734 | int64_t ti; | |
735 | if (!timers_state.cpu_ticks_enabled) { | |
736 | return timers_state.cpu_clock_offset; | |
737 | } else { | |
738 | ti = get_clock(); | |
739 | return ti + timers_state.cpu_clock_offset; | |
740 | } | |
741 | } | |
742 | ||
743 | /* enable cpu_get_ticks() */ | |
744 | void cpu_enable_ticks(void) | |
745 | { | |
746 | if (!timers_state.cpu_ticks_enabled) { | |
747 | timers_state.cpu_ticks_offset -= cpu_get_real_ticks(); | |
748 | timers_state.cpu_clock_offset -= get_clock(); | |
749 | timers_state.cpu_ticks_enabled = 1; | |
750 | } | |
751 | } | |
752 | ||
753 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
754 | cpu_get_ticks() after that. */ | |
755 | void cpu_disable_ticks(void) | |
756 | { | |
757 | if (timers_state.cpu_ticks_enabled) { | |
758 | timers_state.cpu_ticks_offset = cpu_get_ticks(); | |
759 | timers_state.cpu_clock_offset = cpu_get_clock(); | |
760 | timers_state.cpu_ticks_enabled = 0; | |
761 | } | |
762 | } | |
763 | ||
764 | /***********************************************************/ | |
765 | /* timers */ | |
766 | ||
767 | #define QEMU_CLOCK_REALTIME 0 | |
768 | #define QEMU_CLOCK_VIRTUAL 1 | |
769 | #define QEMU_CLOCK_HOST 2 | |
770 | ||
771 | struct QEMUClock { | |
772 | int type; | |
773 | /* XXX: add frequency */ | |
774 | }; | |
775 | ||
776 | struct QEMUTimer { | |
777 | QEMUClock *clock; | |
778 | int64_t expire_time; | |
779 | QEMUTimerCB *cb; | |
780 | void *opaque; | |
781 | struct QEMUTimer *next; | |
782 | }; | |
783 | ||
784 | struct qemu_alarm_timer { | |
785 | char const *name; | |
786 | unsigned int flags; | |
787 | ||
788 | int (*start)(struct qemu_alarm_timer *t); | |
789 | void (*stop)(struct qemu_alarm_timer *t); | |
790 | void (*rearm)(struct qemu_alarm_timer *t); | |
791 | void *priv; | |
792 | }; | |
793 | ||
794 | #define ALARM_FLAG_DYNTICKS 0x1 | |
795 | #define ALARM_FLAG_EXPIRED 0x2 | |
796 | ||
797 | static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) | |
798 | { | |
799 | return t && (t->flags & ALARM_FLAG_DYNTICKS); | |
800 | } | |
801 | ||
802 | static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) | |
803 | { | |
804 | if (!alarm_has_dynticks(t)) | |
805 | return; | |
806 | ||
807 | t->rearm(t); | |
808 | } | |
809 | ||
810 | /* TODO: MIN_TIMER_REARM_US should be optimized */ | |
811 | #define MIN_TIMER_REARM_US 250 | |
812 | ||
813 | static struct qemu_alarm_timer *alarm_timer; | |
814 | ||
815 | #ifdef _WIN32 | |
816 | ||
817 | struct qemu_alarm_win32 { | |
818 | MMRESULT timerId; | |
819 | unsigned int period; | |
820 | } alarm_win32_data = {0, -1}; | |
821 | ||
822 | static int win32_start_timer(struct qemu_alarm_timer *t); | |
823 | static void win32_stop_timer(struct qemu_alarm_timer *t); | |
824 | static void win32_rearm_timer(struct qemu_alarm_timer *t); | |
825 | ||
826 | #else | |
827 | ||
828 | static int unix_start_timer(struct qemu_alarm_timer *t); | |
829 | static void unix_stop_timer(struct qemu_alarm_timer *t); | |
830 | ||
831 | #ifdef __linux__ | |
832 | ||
833 | static int dynticks_start_timer(struct qemu_alarm_timer *t); | |
834 | static void dynticks_stop_timer(struct qemu_alarm_timer *t); | |
835 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t); | |
836 | ||
837 | static int hpet_start_timer(struct qemu_alarm_timer *t); | |
838 | static void hpet_stop_timer(struct qemu_alarm_timer *t); | |
839 | ||
840 | static int rtc_start_timer(struct qemu_alarm_timer *t); | |
841 | static void rtc_stop_timer(struct qemu_alarm_timer *t); | |
842 | ||
843 | #endif /* __linux__ */ | |
844 | ||
845 | #endif /* _WIN32 */ | |
846 | ||
847 | /* Correlation between real and virtual time is always going to be | |
848 | fairly approximate, so ignore small variation. | |
849 | When the guest is idle real and virtual time will be aligned in | |
850 | the IO wait loop. */ | |
851 | #define ICOUNT_WOBBLE (get_ticks_per_sec() / 10) | |
852 | ||
853 | static void icount_adjust(void) | |
854 | { | |
855 | int64_t cur_time; | |
856 | int64_t cur_icount; | |
857 | int64_t delta; | |
858 | static int64_t last_delta; | |
859 | /* If the VM is not running, then do nothing. */ | |
860 | if (!vm_running) | |
861 | return; | |
862 | ||
863 | cur_time = cpu_get_clock(); | |
864 | cur_icount = qemu_get_clock(vm_clock); | |
865 | delta = cur_icount - cur_time; | |
866 | /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ | |
867 | if (delta > 0 | |
868 | && last_delta + ICOUNT_WOBBLE < delta * 2 | |
869 | && icount_time_shift > 0) { | |
870 | /* The guest is getting too far ahead. Slow time down. */ | |
871 | icount_time_shift--; | |
872 | } | |
873 | if (delta < 0 | |
874 | && last_delta - ICOUNT_WOBBLE > delta * 2 | |
875 | && icount_time_shift < MAX_ICOUNT_SHIFT) { | |
876 | /* The guest is getting too far behind. Speed time up. */ | |
877 | icount_time_shift++; | |
878 | } | |
879 | last_delta = delta; | |
880 | qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); | |
881 | } | |
882 | ||
883 | static void icount_adjust_rt(void * opaque) | |
884 | { | |
885 | qemu_mod_timer(icount_rt_timer, | |
886 | qemu_get_clock(rt_clock) + 1000); | |
887 | icount_adjust(); | |
888 | } | |
889 | ||
890 | static void icount_adjust_vm(void * opaque) | |
891 | { | |
892 | qemu_mod_timer(icount_vm_timer, | |
893 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); | |
894 | icount_adjust(); | |
895 | } | |
896 | ||
897 | static void init_icount_adjust(void) | |
898 | { | |
899 | /* Have both realtime and virtual time triggers for speed adjustment. | |
900 | The realtime trigger catches emulated time passing too slowly, | |
901 | the virtual time trigger catches emulated time passing too fast. | |
902 | Realtime triggers occur even when idle, so use them less frequently | |
903 | than VM triggers. */ | |
904 | icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); | |
905 | qemu_mod_timer(icount_rt_timer, | |
906 | qemu_get_clock(rt_clock) + 1000); | |
907 | icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); | |
908 | qemu_mod_timer(icount_vm_timer, | |
909 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); | |
910 | } | |
911 | ||
912 | static struct qemu_alarm_timer alarm_timers[] = { | |
913 | #ifndef _WIN32 | |
914 | #ifdef __linux__ | |
915 | {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, | |
916 | dynticks_stop_timer, dynticks_rearm_timer, NULL}, | |
917 | /* HPET - if available - is preferred */ | |
918 | {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, | |
919 | /* ...otherwise try RTC */ | |
920 | {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, | |
921 | #endif | |
922 | {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, | |
923 | #else | |
924 | {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, | |
925 | win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, | |
926 | {"win32", 0, win32_start_timer, | |
927 | win32_stop_timer, NULL, &alarm_win32_data}, | |
928 | #endif | |
929 | {NULL, } | |
930 | }; | |
931 | ||
932 | static void show_available_alarms(void) | |
933 | { | |
934 | int i; | |
935 | ||
936 | printf("Available alarm timers, in order of precedence:\n"); | |
937 | for (i = 0; alarm_timers[i].name; i++) | |
938 | printf("%s\n", alarm_timers[i].name); | |
939 | } | |
940 | ||
941 | static void configure_alarms(char const *opt) | |
942 | { | |
943 | int i; | |
944 | int cur = 0; | |
945 | int count = ARRAY_SIZE(alarm_timers) - 1; | |
946 | char *arg; | |
947 | char *name; | |
948 | struct qemu_alarm_timer tmp; | |
949 | ||
950 | if (!strcmp(opt, "?")) { | |
951 | show_available_alarms(); | |
952 | exit(0); | |
953 | } | |
954 | ||
955 | arg = qemu_strdup(opt); | |
956 | ||
957 | /* Reorder the array */ | |
958 | name = strtok(arg, ","); | |
959 | while (name) { | |
960 | for (i = 0; i < count && alarm_timers[i].name; i++) { | |
961 | if (!strcmp(alarm_timers[i].name, name)) | |
962 | break; | |
963 | } | |
964 | ||
965 | if (i == count) { | |
966 | fprintf(stderr, "Unknown clock %s\n", name); | |
967 | goto next; | |
968 | } | |
969 | ||
970 | if (i < cur) | |
971 | /* Ignore */ | |
972 | goto next; | |
973 | ||
974 | /* Swap */ | |
975 | tmp = alarm_timers[i]; | |
976 | alarm_timers[i] = alarm_timers[cur]; | |
977 | alarm_timers[cur] = tmp; | |
978 | ||
979 | cur++; | |
980 | next: | |
981 | name = strtok(NULL, ","); | |
982 | } | |
983 | ||
984 | qemu_free(arg); | |
985 | ||
986 | if (cur) { | |
987 | /* Disable remaining timers */ | |
988 | for (i = cur; i < count; i++) | |
989 | alarm_timers[i].name = NULL; | |
990 | } else { | |
991 | show_available_alarms(); | |
992 | exit(1); | |
993 | } | |
994 | } | |
995 | ||
996 | #define QEMU_NUM_CLOCKS 3 | |
997 | ||
998 | QEMUClock *rt_clock; | |
999 | QEMUClock *vm_clock; | |
1000 | QEMUClock *host_clock; | |
1001 | ||
1002 | static QEMUTimer *active_timers[QEMU_NUM_CLOCKS]; | |
1003 | ||
1004 | static QEMUClock *qemu_new_clock(int type) | |
1005 | { | |
1006 | QEMUClock *clock; | |
1007 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
1008 | clock->type = type; | |
1009 | return clock; | |
1010 | } | |
1011 | ||
1012 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
1013 | { | |
1014 | QEMUTimer *ts; | |
1015 | ||
1016 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
1017 | ts->clock = clock; | |
1018 | ts->cb = cb; | |
1019 | ts->opaque = opaque; | |
1020 | return ts; | |
1021 | } | |
1022 | ||
1023 | void qemu_free_timer(QEMUTimer *ts) | |
1024 | { | |
1025 | qemu_free(ts); | |
1026 | } | |
1027 | ||
1028 | /* stop a timer, but do not dealloc it */ | |
1029 | void qemu_del_timer(QEMUTimer *ts) | |
1030 | { | |
1031 | QEMUTimer **pt, *t; | |
1032 | ||
1033 | /* NOTE: this code must be signal safe because | |
1034 | qemu_timer_expired() can be called from a signal. */ | |
1035 | pt = &active_timers[ts->clock->type]; | |
1036 | for(;;) { | |
1037 | t = *pt; | |
1038 | if (!t) | |
1039 | break; | |
1040 | if (t == ts) { | |
1041 | *pt = t->next; | |
1042 | break; | |
1043 | } | |
1044 | pt = &t->next; | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | /* modify the current timer so that it will be fired when current_time | |
1049 | >= expire_time. The corresponding callback will be called. */ | |
1050 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
1051 | { | |
1052 | QEMUTimer **pt, *t; | |
1053 | ||
1054 | qemu_del_timer(ts); | |
1055 | ||
1056 | /* add the timer in the sorted list */ | |
1057 | /* NOTE: this code must be signal safe because | |
1058 | qemu_timer_expired() can be called from a signal. */ | |
1059 | pt = &active_timers[ts->clock->type]; | |
1060 | for(;;) { | |
1061 | t = *pt; | |
1062 | if (!t) | |
1063 | break; | |
1064 | if (t->expire_time > expire_time) | |
1065 | break; | |
1066 | pt = &t->next; | |
1067 | } | |
1068 | ts->expire_time = expire_time; | |
1069 | ts->next = *pt; | |
1070 | *pt = ts; | |
1071 | ||
1072 | /* Rearm if necessary */ | |
1073 | if (pt == &active_timers[ts->clock->type]) { | |
1074 | if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { | |
1075 | qemu_rearm_alarm_timer(alarm_timer); | |
1076 | } | |
1077 | /* Interrupt execution to force deadline recalculation. */ | |
1078 | if (use_icount) | |
1079 | qemu_notify_event(); | |
1080 | } | |
1081 | } | |
1082 | ||
1083 | int qemu_timer_pending(QEMUTimer *ts) | |
1084 | { | |
1085 | QEMUTimer *t; | |
1086 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
1087 | if (t == ts) | |
1088 | return 1; | |
1089 | } | |
1090 | return 0; | |
1091 | } | |
1092 | ||
1093 | int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
1094 | { | |
1095 | if (!timer_head) | |
1096 | return 0; | |
1097 | return (timer_head->expire_time <= current_time); | |
1098 | } | |
1099 | ||
1100 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
1101 | { | |
1102 | QEMUTimer *ts; | |
1103 | ||
1104 | for(;;) { | |
1105 | ts = *ptimer_head; | |
1106 | if (!ts || ts->expire_time > current_time) | |
1107 | break; | |
1108 | /* remove timer from the list before calling the callback */ | |
1109 | *ptimer_head = ts->next; | |
1110 | ts->next = NULL; | |
1111 | ||
1112 | /* run the callback (the timer list can be modified) */ | |
1113 | ts->cb(ts->opaque); | |
1114 | } | |
1115 | } | |
1116 | ||
1117 | int64_t qemu_get_clock(QEMUClock *clock) | |
1118 | { | |
1119 | switch(clock->type) { | |
1120 | case QEMU_CLOCK_REALTIME: | |
1121 | return get_clock() / 1000000; | |
1122 | default: | |
1123 | case QEMU_CLOCK_VIRTUAL: | |
1124 | if (use_icount) { | |
1125 | return cpu_get_icount(); | |
1126 | } else { | |
1127 | return cpu_get_clock(); | |
1128 | } | |
1129 | case QEMU_CLOCK_HOST: | |
1130 | return get_clock_realtime(); | |
1131 | } | |
1132 | } | |
1133 | ||
1134 | static void init_clocks(void) | |
1135 | { | |
1136 | init_get_clock(); | |
1137 | rt_clock = qemu_new_clock(QEMU_CLOCK_REALTIME); | |
1138 | vm_clock = qemu_new_clock(QEMU_CLOCK_VIRTUAL); | |
1139 | host_clock = qemu_new_clock(QEMU_CLOCK_HOST); | |
1140 | ||
1141 | rtc_clock = host_clock; | |
1142 | } | |
1143 | ||
1144 | /* save a timer */ | |
1145 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
1146 | { | |
1147 | uint64_t expire_time; | |
1148 | ||
1149 | if (qemu_timer_pending(ts)) { | |
1150 | expire_time = ts->expire_time; | |
1151 | } else { | |
1152 | expire_time = -1; | |
1153 | } | |
1154 | qemu_put_be64(f, expire_time); | |
1155 | } | |
1156 | ||
1157 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
1158 | { | |
1159 | uint64_t expire_time; | |
1160 | ||
1161 | expire_time = qemu_get_be64(f); | |
1162 | if (expire_time != -1) { | |
1163 | qemu_mod_timer(ts, expire_time); | |
1164 | } else { | |
1165 | qemu_del_timer(ts); | |
1166 | } | |
1167 | } | |
1168 | ||
1169 | static const VMStateDescription vmstate_timers = { | |
1170 | .name = "timer", | |
1171 | .version_id = 2, | |
1172 | .minimum_version_id = 1, | |
1173 | .minimum_version_id_old = 1, | |
1174 | .fields = (VMStateField []) { | |
1175 | VMSTATE_INT64(cpu_ticks_offset, TimersState), | |
1176 | VMSTATE_INT64(dummy, TimersState), | |
1177 | VMSTATE_INT64_V(cpu_clock_offset, TimersState, 2), | |
1178 | VMSTATE_END_OF_LIST() | |
1179 | } | |
1180 | }; | |
1181 | ||
1182 | static void qemu_event_increment(void); | |
1183 | ||
1184 | #ifdef _WIN32 | |
1185 | static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
1186 | DWORD_PTR dwUser, DWORD_PTR dw1, | |
1187 | DWORD_PTR dw2) | |
1188 | #else | |
1189 | static void host_alarm_handler(int host_signum) | |
1190 | #endif | |
1191 | { | |
1192 | #if 0 | |
1193 | #define DISP_FREQ 1000 | |
1194 | { | |
1195 | static int64_t delta_min = INT64_MAX; | |
1196 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
1197 | static int count; | |
1198 | ti = qemu_get_clock(vm_clock); | |
1199 | if (last_clock != 0) { | |
1200 | delta = ti - last_clock; | |
1201 | if (delta < delta_min) | |
1202 | delta_min = delta; | |
1203 | if (delta > delta_max) | |
1204 | delta_max = delta; | |
1205 | delta_cum += delta; | |
1206 | if (++count == DISP_FREQ) { | |
1207 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", | |
1208 | muldiv64(delta_min, 1000000, get_ticks_per_sec()), | |
1209 | muldiv64(delta_max, 1000000, get_ticks_per_sec()), | |
1210 | muldiv64(delta_cum, 1000000 / DISP_FREQ, get_ticks_per_sec()), | |
1211 | (double)get_ticks_per_sec() / ((double)delta_cum / DISP_FREQ)); | |
1212 | count = 0; | |
1213 | delta_min = INT64_MAX; | |
1214 | delta_max = 0; | |
1215 | delta_cum = 0; | |
1216 | } | |
1217 | } | |
1218 | last_clock = ti; | |
1219 | } | |
1220 | #endif | |
1221 | if (alarm_has_dynticks(alarm_timer) || | |
1222 | (!use_icount && | |
1223 | qemu_timer_expired(active_timers[QEMU_CLOCK_VIRTUAL], | |
1224 | qemu_get_clock(vm_clock))) || | |
1225 | qemu_timer_expired(active_timers[QEMU_CLOCK_REALTIME], | |
1226 | qemu_get_clock(rt_clock)) || | |
1227 | qemu_timer_expired(active_timers[QEMU_CLOCK_HOST], | |
1228 | qemu_get_clock(host_clock))) { | |
1229 | qemu_event_increment(); | |
1230 | if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED; | |
1231 | ||
1232 | #ifndef CONFIG_IOTHREAD | |
1233 | if (next_cpu) { | |
1234 | /* stop the currently executing cpu because a timer occured */ | |
1235 | cpu_exit(next_cpu); | |
1236 | } | |
1237 | #endif | |
1238 | timer_alarm_pending = 1; | |
1239 | qemu_notify_event(); | |
1240 | } | |
1241 | } | |
1242 | ||
1243 | static int64_t qemu_next_deadline(void) | |
1244 | { | |
1245 | /* To avoid problems with overflow limit this to 2^32. */ | |
1246 | int64_t delta = INT32_MAX; | |
1247 | ||
1248 | if (active_timers[QEMU_CLOCK_VIRTUAL]) { | |
1249 | delta = active_timers[QEMU_CLOCK_VIRTUAL]->expire_time - | |
1250 | qemu_get_clock(vm_clock); | |
1251 | } | |
1252 | if (active_timers[QEMU_CLOCK_HOST]) { | |
1253 | int64_t hdelta = active_timers[QEMU_CLOCK_HOST]->expire_time - | |
1254 | qemu_get_clock(host_clock); | |
1255 | if (hdelta < delta) | |
1256 | delta = hdelta; | |
1257 | } | |
1258 | ||
1259 | if (delta < 0) | |
1260 | delta = 0; | |
1261 | ||
1262 | return delta; | |
1263 | } | |
1264 | ||
1265 | #if defined(__linux__) | |
1266 | static uint64_t qemu_next_deadline_dyntick(void) | |
1267 | { | |
1268 | int64_t delta; | |
1269 | int64_t rtdelta; | |
1270 | ||
1271 | if (use_icount) | |
1272 | delta = INT32_MAX; | |
1273 | else | |
1274 | delta = (qemu_next_deadline() + 999) / 1000; | |
1275 | ||
1276 | if (active_timers[QEMU_CLOCK_REALTIME]) { | |
1277 | rtdelta = (active_timers[QEMU_CLOCK_REALTIME]->expire_time - | |
1278 | qemu_get_clock(rt_clock))*1000; | |
1279 | if (rtdelta < delta) | |
1280 | delta = rtdelta; | |
1281 | } | |
1282 | ||
1283 | if (delta < MIN_TIMER_REARM_US) | |
1284 | delta = MIN_TIMER_REARM_US; | |
1285 | ||
1286 | return delta; | |
1287 | } | |
1288 | #endif | |
1289 | ||
1290 | #ifndef _WIN32 | |
1291 | ||
1292 | /* Sets a specific flag */ | |
1293 | static int fcntl_setfl(int fd, int flag) | |
1294 | { | |
1295 | int flags; | |
1296 | ||
1297 | flags = fcntl(fd, F_GETFL); | |
1298 | if (flags == -1) | |
1299 | return -errno; | |
1300 | ||
1301 | if (fcntl(fd, F_SETFL, flags | flag) == -1) | |
1302 | return -errno; | |
1303 | ||
1304 | return 0; | |
1305 | } | |
1306 | ||
1307 | #if defined(__linux__) | |
1308 | ||
1309 | #define RTC_FREQ 1024 | |
1310 | ||
1311 | static void enable_sigio_timer(int fd) | |
1312 | { | |
1313 | struct sigaction act; | |
1314 | ||
1315 | /* timer signal */ | |
1316 | sigfillset(&act.sa_mask); | |
1317 | act.sa_flags = 0; | |
1318 | act.sa_handler = host_alarm_handler; | |
1319 | ||
1320 | sigaction(SIGIO, &act, NULL); | |
1321 | fcntl_setfl(fd, O_ASYNC); | |
1322 | fcntl(fd, F_SETOWN, getpid()); | |
1323 | } | |
1324 | ||
1325 | static int hpet_start_timer(struct qemu_alarm_timer *t) | |
1326 | { | |
1327 | struct hpet_info info; | |
1328 | int r, fd; | |
1329 | ||
1330 | fd = qemu_open("/dev/hpet", O_RDONLY); | |
1331 | if (fd < 0) | |
1332 | return -1; | |
1333 | ||
1334 | /* Set frequency */ | |
1335 | r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); | |
1336 | if (r < 0) { | |
1337 | fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" | |
1338 | "error, but for better emulation accuracy type:\n" | |
1339 | "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); | |
1340 | goto fail; | |
1341 | } | |
1342 | ||
1343 | /* Check capabilities */ | |
1344 | r = ioctl(fd, HPET_INFO, &info); | |
1345 | if (r < 0) | |
1346 | goto fail; | |
1347 | ||
1348 | /* Enable periodic mode */ | |
1349 | r = ioctl(fd, HPET_EPI, 0); | |
1350 | if (info.hi_flags && (r < 0)) | |
1351 | goto fail; | |
1352 | ||
1353 | /* Enable interrupt */ | |
1354 | r = ioctl(fd, HPET_IE_ON, 0); | |
1355 | if (r < 0) | |
1356 | goto fail; | |
1357 | ||
1358 | enable_sigio_timer(fd); | |
1359 | t->priv = (void *)(long)fd; | |
1360 | ||
1361 | return 0; | |
1362 | fail: | |
1363 | close(fd); | |
1364 | return -1; | |
1365 | } | |
1366 | ||
1367 | static void hpet_stop_timer(struct qemu_alarm_timer *t) | |
1368 | { | |
1369 | int fd = (long)t->priv; | |
1370 | ||
1371 | close(fd); | |
1372 | } | |
1373 | ||
1374 | static int rtc_start_timer(struct qemu_alarm_timer *t) | |
1375 | { | |
1376 | int rtc_fd; | |
1377 | unsigned long current_rtc_freq = 0; | |
1378 | ||
1379 | TFR(rtc_fd = qemu_open("/dev/rtc", O_RDONLY)); | |
1380 | if (rtc_fd < 0) | |
1381 | return -1; | |
1382 | ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); | |
1383 | if (current_rtc_freq != RTC_FREQ && | |
1384 | ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
1385 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
1386 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
1387 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
1388 | goto fail; | |
1389 | } | |
1390 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
1391 | fail: | |
1392 | close(rtc_fd); | |
1393 | return -1; | |
1394 | } | |
1395 | ||
1396 | enable_sigio_timer(rtc_fd); | |
1397 | ||
1398 | t->priv = (void *)(long)rtc_fd; | |
1399 | ||
1400 | return 0; | |
1401 | } | |
1402 | ||
1403 | static void rtc_stop_timer(struct qemu_alarm_timer *t) | |
1404 | { | |
1405 | int rtc_fd = (long)t->priv; | |
1406 | ||
1407 | close(rtc_fd); | |
1408 | } | |
1409 | ||
1410 | static int dynticks_start_timer(struct qemu_alarm_timer *t) | |
1411 | { | |
1412 | struct sigevent ev; | |
1413 | timer_t host_timer; | |
1414 | struct sigaction act; | |
1415 | ||
1416 | sigfillset(&act.sa_mask); | |
1417 | act.sa_flags = 0; | |
1418 | act.sa_handler = host_alarm_handler; | |
1419 | ||
1420 | sigaction(SIGALRM, &act, NULL); | |
1421 | ||
1422 | /* | |
1423 | * Initialize ev struct to 0 to avoid valgrind complaining | |
1424 | * about uninitialized data in timer_create call | |
1425 | */ | |
1426 | memset(&ev, 0, sizeof(ev)); | |
1427 | ev.sigev_value.sival_int = 0; | |
1428 | ev.sigev_notify = SIGEV_SIGNAL; | |
1429 | ev.sigev_signo = SIGALRM; | |
1430 | ||
1431 | if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { | |
1432 | perror("timer_create"); | |
1433 | ||
1434 | /* disable dynticks */ | |
1435 | fprintf(stderr, "Dynamic Ticks disabled\n"); | |
1436 | ||
1437 | return -1; | |
1438 | } | |
1439 | ||
1440 | t->priv = (void *)(long)host_timer; | |
1441 | ||
1442 | return 0; | |
1443 | } | |
1444 | ||
1445 | static void dynticks_stop_timer(struct qemu_alarm_timer *t) | |
1446 | { | |
1447 | timer_t host_timer = (timer_t)(long)t->priv; | |
1448 | ||
1449 | timer_delete(host_timer); | |
1450 | } | |
1451 | ||
1452 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t) | |
1453 | { | |
1454 | timer_t host_timer = (timer_t)(long)t->priv; | |
1455 | struct itimerspec timeout; | |
1456 | int64_t nearest_delta_us = INT64_MAX; | |
1457 | int64_t current_us; | |
1458 | ||
1459 | if (!active_timers[QEMU_CLOCK_REALTIME] && | |
1460 | !active_timers[QEMU_CLOCK_VIRTUAL] && | |
1461 | !active_timers[QEMU_CLOCK_HOST]) | |
1462 | return; | |
1463 | ||
1464 | nearest_delta_us = qemu_next_deadline_dyntick(); | |
1465 | ||
1466 | /* check whether a timer is already running */ | |
1467 | if (timer_gettime(host_timer, &timeout)) { | |
1468 | perror("gettime"); | |
1469 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1470 | exit(1); | |
1471 | } | |
1472 | current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; | |
1473 | if (current_us && current_us <= nearest_delta_us) | |
1474 | return; | |
1475 | ||
1476 | timeout.it_interval.tv_sec = 0; | |
1477 | timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ | |
1478 | timeout.it_value.tv_sec = nearest_delta_us / 1000000; | |
1479 | timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; | |
1480 | if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { | |
1481 | perror("settime"); | |
1482 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1483 | exit(1); | |
1484 | } | |
1485 | } | |
1486 | ||
1487 | #endif /* defined(__linux__) */ | |
1488 | ||
1489 | static int unix_start_timer(struct qemu_alarm_timer *t) | |
1490 | { | |
1491 | struct sigaction act; | |
1492 | struct itimerval itv; | |
1493 | int err; | |
1494 | ||
1495 | /* timer signal */ | |
1496 | sigfillset(&act.sa_mask); | |
1497 | act.sa_flags = 0; | |
1498 | act.sa_handler = host_alarm_handler; | |
1499 | ||
1500 | sigaction(SIGALRM, &act, NULL); | |
1501 | ||
1502 | itv.it_interval.tv_sec = 0; | |
1503 | /* for i386 kernel 2.6 to get 1 ms */ | |
1504 | itv.it_interval.tv_usec = 999; | |
1505 | itv.it_value.tv_sec = 0; | |
1506 | itv.it_value.tv_usec = 10 * 1000; | |
1507 | ||
1508 | err = setitimer(ITIMER_REAL, &itv, NULL); | |
1509 | if (err) | |
1510 | return -1; | |
1511 | ||
1512 | return 0; | |
1513 | } | |
1514 | ||
1515 | static void unix_stop_timer(struct qemu_alarm_timer *t) | |
1516 | { | |
1517 | struct itimerval itv; | |
1518 | ||
1519 | memset(&itv, 0, sizeof(itv)); | |
1520 | setitimer(ITIMER_REAL, &itv, NULL); | |
1521 | } | |
1522 | ||
1523 | #endif /* !defined(_WIN32) */ | |
1524 | ||
1525 | ||
1526 | #ifdef _WIN32 | |
1527 | ||
1528 | static int win32_start_timer(struct qemu_alarm_timer *t) | |
1529 | { | |
1530 | TIMECAPS tc; | |
1531 | struct qemu_alarm_win32 *data = t->priv; | |
1532 | UINT flags; | |
1533 | ||
1534 | memset(&tc, 0, sizeof(tc)); | |
1535 | timeGetDevCaps(&tc, sizeof(tc)); | |
1536 | ||
1537 | if (data->period < tc.wPeriodMin) | |
1538 | data->period = tc.wPeriodMin; | |
1539 | ||
1540 | timeBeginPeriod(data->period); | |
1541 | ||
1542 | flags = TIME_CALLBACK_FUNCTION; | |
1543 | if (alarm_has_dynticks(t)) | |
1544 | flags |= TIME_ONESHOT; | |
1545 | else | |
1546 | flags |= TIME_PERIODIC; | |
1547 | ||
1548 | data->timerId = timeSetEvent(1, // interval (ms) | |
1549 | data->period, // resolution | |
1550 | host_alarm_handler, // function | |
1551 | (DWORD)t, // parameter | |
1552 | flags); | |
1553 | ||
1554 | if (!data->timerId) { | |
1555 | fprintf(stderr, "Failed to initialize win32 alarm timer: %ld\n", | |
1556 | GetLastError()); | |
1557 | timeEndPeriod(data->period); | |
1558 | return -1; | |
1559 | } | |
1560 | ||
1561 | return 0; | |
1562 | } | |
1563 | ||
1564 | static void win32_stop_timer(struct qemu_alarm_timer *t) | |
1565 | { | |
1566 | struct qemu_alarm_win32 *data = t->priv; | |
1567 | ||
1568 | timeKillEvent(data->timerId); | |
1569 | timeEndPeriod(data->period); | |
1570 | } | |
1571 | ||
1572 | static void win32_rearm_timer(struct qemu_alarm_timer *t) | |
1573 | { | |
1574 | struct qemu_alarm_win32 *data = t->priv; | |
1575 | ||
1576 | if (!active_timers[QEMU_CLOCK_REALTIME] && | |
1577 | !active_timers[QEMU_CLOCK_VIRTUAL] && | |
1578 | !active_timers[QEMU_CLOCK_HOST]) | |
1579 | return; | |
1580 | ||
1581 | timeKillEvent(data->timerId); | |
1582 | ||
1583 | data->timerId = timeSetEvent(1, | |
1584 | data->period, | |
1585 | host_alarm_handler, | |
1586 | (DWORD)t, | |
1587 | TIME_ONESHOT | TIME_PERIODIC); | |
1588 | ||
1589 | if (!data->timerId) { | |
1590 | fprintf(stderr, "Failed to re-arm win32 alarm timer %ld\n", | |
1591 | GetLastError()); | |
1592 | ||
1593 | timeEndPeriod(data->period); | |
1594 | exit(1); | |
1595 | } | |
1596 | } | |
1597 | ||
1598 | #endif /* _WIN32 */ | |
1599 | ||
1600 | static int init_timer_alarm(void) | |
1601 | { | |
1602 | struct qemu_alarm_timer *t = NULL; | |
1603 | int i, err = -1; | |
1604 | ||
1605 | for (i = 0; alarm_timers[i].name; i++) { | |
1606 | t = &alarm_timers[i]; | |
1607 | ||
1608 | err = t->start(t); | |
1609 | if (!err) | |
1610 | break; | |
1611 | } | |
1612 | ||
1613 | if (err) { | |
1614 | err = -ENOENT; | |
1615 | goto fail; | |
1616 | } | |
1617 | ||
1618 | alarm_timer = t; | |
1619 | ||
1620 | return 0; | |
1621 | ||
1622 | fail: | |
1623 | return err; | |
1624 | } | |
1625 | ||
1626 | static void quit_timers(void) | |
1627 | { | |
1628 | alarm_timer->stop(alarm_timer); | |
1629 | alarm_timer = NULL; | |
1630 | } | |
1631 | ||
1632 | /***********************************************************/ | |
1633 | /* host time/date access */ | |
1634 | void qemu_get_timedate(struct tm *tm, int offset) | |
1635 | { | |
1636 | time_t ti; | |
1637 | struct tm *ret; | |
1638 | ||
1639 | time(&ti); | |
1640 | ti += offset; | |
1641 | if (rtc_date_offset == -1) { | |
1642 | if (rtc_utc) | |
1643 | ret = gmtime(&ti); | |
1644 | else | |
1645 | ret = localtime(&ti); | |
1646 | } else { | |
1647 | ti -= rtc_date_offset; | |
1648 | ret = gmtime(&ti); | |
1649 | } | |
1650 | ||
1651 | memcpy(tm, ret, sizeof(struct tm)); | |
1652 | } | |
1653 | ||
1654 | int qemu_timedate_diff(struct tm *tm) | |
1655 | { | |
1656 | time_t seconds; | |
1657 | ||
1658 | if (rtc_date_offset == -1) | |
1659 | if (rtc_utc) | |
1660 | seconds = mktimegm(tm); | |
1661 | else | |
1662 | seconds = mktime(tm); | |
1663 | else | |
1664 | seconds = mktimegm(tm) + rtc_date_offset; | |
1665 | ||
1666 | return seconds - time(NULL); | |
1667 | } | |
1668 | ||
1669 | static void configure_rtc_date_offset(const char *startdate, int legacy) | |
1670 | { | |
1671 | time_t rtc_start_date; | |
1672 | struct tm tm; | |
1673 | ||
1674 | if (!strcmp(startdate, "now") && legacy) { | |
1675 | rtc_date_offset = -1; | |
1676 | } else { | |
1677 | if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", | |
1678 | &tm.tm_year, | |
1679 | &tm.tm_mon, | |
1680 | &tm.tm_mday, | |
1681 | &tm.tm_hour, | |
1682 | &tm.tm_min, | |
1683 | &tm.tm_sec) == 6) { | |
1684 | /* OK */ | |
1685 | } else if (sscanf(startdate, "%d-%d-%d", | |
1686 | &tm.tm_year, | |
1687 | &tm.tm_mon, | |
1688 | &tm.tm_mday) == 3) { | |
1689 | tm.tm_hour = 0; | |
1690 | tm.tm_min = 0; | |
1691 | tm.tm_sec = 0; | |
1692 | } else { | |
1693 | goto date_fail; | |
1694 | } | |
1695 | tm.tm_year -= 1900; | |
1696 | tm.tm_mon--; | |
1697 | rtc_start_date = mktimegm(&tm); | |
1698 | if (rtc_start_date == -1) { | |
1699 | date_fail: | |
1700 | fprintf(stderr, "Invalid date format. Valid formats are:\n" | |
1701 | "'2006-06-17T16:01:21' or '2006-06-17'\n"); | |
1702 | exit(1); | |
1703 | } | |
1704 | rtc_date_offset = time(NULL) - rtc_start_date; | |
1705 | } | |
1706 | } | |
1707 | ||
1708 | static void configure_rtc(QemuOpts *opts) | |
1709 | { | |
1710 | const char *value; | |
1711 | ||
1712 | value = qemu_opt_get(opts, "base"); | |
1713 | if (value) { | |
1714 | if (!strcmp(value, "utc")) { | |
1715 | rtc_utc = 1; | |
1716 | } else if (!strcmp(value, "localtime")) { | |
1717 | rtc_utc = 0; | |
1718 | } else { | |
1719 | configure_rtc_date_offset(value, 0); | |
1720 | } | |
1721 | } | |
1722 | value = qemu_opt_get(opts, "clock"); | |
1723 | if (value) { | |
1724 | if (!strcmp(value, "host")) { | |
1725 | rtc_clock = host_clock; | |
1726 | } else if (!strcmp(value, "vm")) { | |
1727 | rtc_clock = vm_clock; | |
1728 | } else { | |
1729 | fprintf(stderr, "qemu: invalid option value '%s'\n", value); | |
1730 | exit(1); | |
1731 | } | |
1732 | } | |
1733 | #ifdef CONFIG_TARGET_I386 | |
1734 | value = qemu_opt_get(opts, "driftfix"); | |
1735 | if (value) { | |
1736 | if (!strcmp(buf, "slew")) { | |
1737 | rtc_td_hack = 1; | |
1738 | } else if (!strcmp(buf, "none")) { | |
1739 | rtc_td_hack = 0; | |
1740 | } else { | |
1741 | fprintf(stderr, "qemu: invalid option value '%s'\n", value); | |
1742 | exit(1); | |
1743 | } | |
1744 | } | |
1745 | #endif | |
1746 | } | |
1747 | ||
1748 | #ifdef _WIN32 | |
1749 | static void socket_cleanup(void) | |
1750 | { | |
1751 | WSACleanup(); | |
1752 | } | |
1753 | ||
1754 | static int socket_init(void) | |
1755 | { | |
1756 | WSADATA Data; | |
1757 | int ret, err; | |
1758 | ||
1759 | ret = WSAStartup(MAKEWORD(2,2), &Data); | |
1760 | if (ret != 0) { | |
1761 | err = WSAGetLastError(); | |
1762 | fprintf(stderr, "WSAStartup: %d\n", err); | |
1763 | return -1; | |
1764 | } | |
1765 | atexit(socket_cleanup); | |
1766 | return 0; | |
1767 | } | |
1768 | #endif | |
1769 | ||
1770 | /***********************************************************/ | |
1771 | /* Bluetooth support */ | |
1772 | static int nb_hcis; | |
1773 | static int cur_hci; | |
1774 | static struct HCIInfo *hci_table[MAX_NICS]; | |
1775 | ||
1776 | static struct bt_vlan_s { | |
1777 | struct bt_scatternet_s net; | |
1778 | int id; | |
1779 | struct bt_vlan_s *next; | |
1780 | } *first_bt_vlan; | |
1781 | ||
1782 | /* find or alloc a new bluetooth "VLAN" */ | |
1783 | static struct bt_scatternet_s *qemu_find_bt_vlan(int id) | |
1784 | { | |
1785 | struct bt_vlan_s **pvlan, *vlan; | |
1786 | for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { | |
1787 | if (vlan->id == id) | |
1788 | return &vlan->net; | |
1789 | } | |
1790 | vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); | |
1791 | vlan->id = id; | |
1792 | pvlan = &first_bt_vlan; | |
1793 | while (*pvlan != NULL) | |
1794 | pvlan = &(*pvlan)->next; | |
1795 | *pvlan = vlan; | |
1796 | return &vlan->net; | |
1797 | } | |
1798 | ||
1799 | static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) | |
1800 | { | |
1801 | } | |
1802 | ||
1803 | static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) | |
1804 | { | |
1805 | return -ENOTSUP; | |
1806 | } | |
1807 | ||
1808 | static struct HCIInfo null_hci = { | |
1809 | .cmd_send = null_hci_send, | |
1810 | .sco_send = null_hci_send, | |
1811 | .acl_send = null_hci_send, | |
1812 | .bdaddr_set = null_hci_addr_set, | |
1813 | }; | |
1814 | ||
1815 | struct HCIInfo *qemu_next_hci(void) | |
1816 | { | |
1817 | if (cur_hci == nb_hcis) | |
1818 | return &null_hci; | |
1819 | ||
1820 | return hci_table[cur_hci++]; | |
1821 | } | |
1822 | ||
1823 | static struct HCIInfo *hci_init(const char *str) | |
1824 | { | |
1825 | char *endp; | |
1826 | struct bt_scatternet_s *vlan = 0; | |
1827 | ||
1828 | if (!strcmp(str, "null")) | |
1829 | /* null */ | |
1830 | return &null_hci; | |
1831 | else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) | |
1832 | /* host[:hciN] */ | |
1833 | return bt_host_hci(str[4] ? str + 5 : "hci0"); | |
1834 | else if (!strncmp(str, "hci", 3)) { | |
1835 | /* hci[,vlan=n] */ | |
1836 | if (str[3]) { | |
1837 | if (!strncmp(str + 3, ",vlan=", 6)) { | |
1838 | vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); | |
1839 | if (*endp) | |
1840 | vlan = 0; | |
1841 | } | |
1842 | } else | |
1843 | vlan = qemu_find_bt_vlan(0); | |
1844 | if (vlan) | |
1845 | return bt_new_hci(vlan); | |
1846 | } | |
1847 | ||
1848 | fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str); | |
1849 | ||
1850 | return 0; | |
1851 | } | |
1852 | ||
1853 | static int bt_hci_parse(const char *str) | |
1854 | { | |
1855 | struct HCIInfo *hci; | |
1856 | bdaddr_t bdaddr; | |
1857 | ||
1858 | if (nb_hcis >= MAX_NICS) { | |
1859 | fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS); | |
1860 | return -1; | |
1861 | } | |
1862 | ||
1863 | hci = hci_init(str); | |
1864 | if (!hci) | |
1865 | return -1; | |
1866 | ||
1867 | bdaddr.b[0] = 0x52; | |
1868 | bdaddr.b[1] = 0x54; | |
1869 | bdaddr.b[2] = 0x00; | |
1870 | bdaddr.b[3] = 0x12; | |
1871 | bdaddr.b[4] = 0x34; | |
1872 | bdaddr.b[5] = 0x56 + nb_hcis; | |
1873 | hci->bdaddr_set(hci, bdaddr.b); | |
1874 | ||
1875 | hci_table[nb_hcis++] = hci; | |
1876 | ||
1877 | return 0; | |
1878 | } | |
1879 | ||
1880 | static void bt_vhci_add(int vlan_id) | |
1881 | { | |
1882 | struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); | |
1883 | ||
1884 | if (!vlan->slave) | |
1885 | fprintf(stderr, "qemu: warning: adding a VHCI to " | |
1886 | "an empty scatternet %i\n", vlan_id); | |
1887 | ||
1888 | bt_vhci_init(bt_new_hci(vlan)); | |
1889 | } | |
1890 | ||
1891 | static struct bt_device_s *bt_device_add(const char *opt) | |
1892 | { | |
1893 | struct bt_scatternet_s *vlan; | |
1894 | int vlan_id = 0; | |
1895 | char *endp = strstr(opt, ",vlan="); | |
1896 | int len = (endp ? endp - opt : strlen(opt)) + 1; | |
1897 | char devname[10]; | |
1898 | ||
1899 | pstrcpy(devname, MIN(sizeof(devname), len), opt); | |
1900 | ||
1901 | if (endp) { | |
1902 | vlan_id = strtol(endp + 6, &endp, 0); | |
1903 | if (*endp) { | |
1904 | fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); | |
1905 | return 0; | |
1906 | } | |
1907 | } | |
1908 | ||
1909 | vlan = qemu_find_bt_vlan(vlan_id); | |
1910 | ||
1911 | if (!vlan->slave) | |
1912 | fprintf(stderr, "qemu: warning: adding a slave device to " | |
1913 | "an empty scatternet %i\n", vlan_id); | |
1914 | ||
1915 | if (!strcmp(devname, "keyboard")) | |
1916 | return bt_keyboard_init(vlan); | |
1917 | ||
1918 | fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); | |
1919 | return 0; | |
1920 | } | |
1921 | ||
1922 | static int bt_parse(const char *opt) | |
1923 | { | |
1924 | const char *endp, *p; | |
1925 | int vlan; | |
1926 | ||
1927 | if (strstart(opt, "hci", &endp)) { | |
1928 | if (!*endp || *endp == ',') { | |
1929 | if (*endp) | |
1930 | if (!strstart(endp, ",vlan=", 0)) | |
1931 | opt = endp + 1; | |
1932 | ||
1933 | return bt_hci_parse(opt); | |
1934 | } | |
1935 | } else if (strstart(opt, "vhci", &endp)) { | |
1936 | if (!*endp || *endp == ',') { | |
1937 | if (*endp) { | |
1938 | if (strstart(endp, ",vlan=", &p)) { | |
1939 | vlan = strtol(p, (char **) &endp, 0); | |
1940 | if (*endp) { | |
1941 | fprintf(stderr, "qemu: bad scatternet '%s'\n", p); | |
1942 | return 1; | |
1943 | } | |
1944 | } else { | |
1945 | fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); | |
1946 | return 1; | |
1947 | } | |
1948 | } else | |
1949 | vlan = 0; | |
1950 | ||
1951 | bt_vhci_add(vlan); | |
1952 | return 0; | |
1953 | } | |
1954 | } else if (strstart(opt, "device:", &endp)) | |
1955 | return !bt_device_add(endp); | |
1956 | ||
1957 | fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); | |
1958 | return 1; | |
1959 | } | |
1960 | ||
1961 | /***********************************************************/ | |
1962 | /* QEMU Block devices */ | |
1963 | ||
1964 | #define HD_ALIAS "index=%d,media=disk" | |
1965 | #define CDROM_ALIAS "index=2,media=cdrom" | |
1966 | #define FD_ALIAS "index=%d,if=floppy" | |
1967 | #define PFLASH_ALIAS "if=pflash" | |
1968 | #define MTD_ALIAS "if=mtd" | |
1969 | #define SD_ALIAS "index=0,if=sd" | |
1970 | ||
1971 | QemuOpts *drive_add(const char *file, const char *fmt, ...) | |
1972 | { | |
1973 | va_list ap; | |
1974 | char optstr[1024]; | |
1975 | QemuOpts *opts; | |
1976 | ||
1977 | va_start(ap, fmt); | |
1978 | vsnprintf(optstr, sizeof(optstr), fmt, ap); | |
1979 | va_end(ap); | |
1980 | ||
1981 | opts = qemu_opts_parse(&qemu_drive_opts, optstr, NULL); | |
1982 | if (!opts) { | |
1983 | fprintf(stderr, "%s: huh? duplicate? (%s)\n", | |
1984 | __FUNCTION__, optstr); | |
1985 | return NULL; | |
1986 | } | |
1987 | if (file) | |
1988 | qemu_opt_set(opts, "file", file); | |
1989 | return opts; | |
1990 | } | |
1991 | ||
1992 | DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit) | |
1993 | { | |
1994 | DriveInfo *dinfo; | |
1995 | ||
1996 | /* seek interface, bus and unit */ | |
1997 | ||
1998 | QTAILQ_FOREACH(dinfo, &drives, next) { | |
1999 | if (dinfo->type == type && | |
2000 | dinfo->bus == bus && | |
2001 | dinfo->unit == unit) | |
2002 | return dinfo; | |
2003 | } | |
2004 | ||
2005 | return NULL; | |
2006 | } | |
2007 | ||
2008 | DriveInfo *drive_get_by_id(const char *id) | |
2009 | { | |
2010 | DriveInfo *dinfo; | |
2011 | ||
2012 | QTAILQ_FOREACH(dinfo, &drives, next) { | |
2013 | if (strcmp(id, dinfo->id)) | |
2014 | continue; | |
2015 | return dinfo; | |
2016 | } | |
2017 | return NULL; | |
2018 | } | |
2019 | ||
2020 | int drive_get_max_bus(BlockInterfaceType type) | |
2021 | { | |
2022 | int max_bus; | |
2023 | DriveInfo *dinfo; | |
2024 | ||
2025 | max_bus = -1; | |
2026 | QTAILQ_FOREACH(dinfo, &drives, next) { | |
2027 | if(dinfo->type == type && | |
2028 | dinfo->bus > max_bus) | |
2029 | max_bus = dinfo->bus; | |
2030 | } | |
2031 | return max_bus; | |
2032 | } | |
2033 | ||
2034 | const char *drive_get_serial(BlockDriverState *bdrv) | |
2035 | { | |
2036 | DriveInfo *dinfo; | |
2037 | ||
2038 | QTAILQ_FOREACH(dinfo, &drives, next) { | |
2039 | if (dinfo->bdrv == bdrv) | |
2040 | return dinfo->serial; | |
2041 | } | |
2042 | ||
2043 | return "\0"; | |
2044 | } | |
2045 | ||
2046 | BlockInterfaceErrorAction drive_get_on_error( | |
2047 | BlockDriverState *bdrv, int is_read) | |
2048 | { | |
2049 | DriveInfo *dinfo; | |
2050 | ||
2051 | QTAILQ_FOREACH(dinfo, &drives, next) { | |
2052 | if (dinfo->bdrv == bdrv) | |
2053 | return is_read ? dinfo->on_read_error : dinfo->on_write_error; | |
2054 | } | |
2055 | ||
2056 | return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC; | |
2057 | } | |
2058 | ||
2059 | static void bdrv_format_print(void *opaque, const char *name) | |
2060 | { | |
2061 | fprintf(stderr, " %s", name); | |
2062 | } | |
2063 | ||
2064 | void drive_uninit(DriveInfo *dinfo) | |
2065 | { | |
2066 | qemu_opts_del(dinfo->opts); | |
2067 | bdrv_delete(dinfo->bdrv); | |
2068 | QTAILQ_REMOVE(&drives, dinfo, next); | |
2069 | qemu_free(dinfo); | |
2070 | } | |
2071 | ||
2072 | static int parse_block_error_action(const char *buf, int is_read) | |
2073 | { | |
2074 | if (!strcmp(buf, "ignore")) { | |
2075 | return BLOCK_ERR_IGNORE; | |
2076 | } else if (!is_read && !strcmp(buf, "enospc")) { | |
2077 | return BLOCK_ERR_STOP_ENOSPC; | |
2078 | } else if (!strcmp(buf, "stop")) { | |
2079 | return BLOCK_ERR_STOP_ANY; | |
2080 | } else if (!strcmp(buf, "report")) { | |
2081 | return BLOCK_ERR_REPORT; | |
2082 | } else { | |
2083 | fprintf(stderr, "qemu: '%s' invalid %s error action\n", | |
2084 | buf, is_read ? "read" : "write"); | |
2085 | return -1; | |
2086 | } | |
2087 | } | |
2088 | ||
2089 | DriveInfo *drive_init(QemuOpts *opts, void *opaque, | |
2090 | int *fatal_error) | |
2091 | { | |
2092 | const char *buf; | |
2093 | const char *file = NULL; | |
2094 | char devname[128]; | |
2095 | const char *serial; | |
2096 | const char *mediastr = ""; | |
2097 | BlockInterfaceType type; | |
2098 | enum { MEDIA_DISK, MEDIA_CDROM } media; | |
2099 | int bus_id, unit_id; | |
2100 | int cyls, heads, secs, translation; | |
2101 | BlockDriver *drv = NULL; | |
2102 | QEMUMachine *machine = opaque; | |
2103 | int max_devs; | |
2104 | int index; | |
2105 | int cache; | |
2106 | int aio = 0; | |
2107 | int ro = 0; | |
2108 | int bdrv_flags; | |
2109 | int on_read_error, on_write_error; | |
2110 | const char *devaddr; | |
2111 | DriveInfo *dinfo; | |
2112 | int snapshot = 0; | |
2113 | ||
2114 | *fatal_error = 1; | |
2115 | ||
2116 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
2117 | cache = 1; | |
2118 | ||
2119 | if (machine && machine->use_scsi) { | |
2120 | type = IF_SCSI; | |
2121 | max_devs = MAX_SCSI_DEVS; | |
2122 | pstrcpy(devname, sizeof(devname), "scsi"); | |
2123 | } else { | |
2124 | type = IF_IDE; | |
2125 | max_devs = MAX_IDE_DEVS; | |
2126 | pstrcpy(devname, sizeof(devname), "ide"); | |
2127 | } | |
2128 | media = MEDIA_DISK; | |
2129 | ||
2130 | /* extract parameters */ | |
2131 | bus_id = qemu_opt_get_number(opts, "bus", 0); | |
2132 | unit_id = qemu_opt_get_number(opts, "unit", -1); | |
2133 | index = qemu_opt_get_number(opts, "index", -1); | |
2134 | ||
2135 | cyls = qemu_opt_get_number(opts, "cyls", 0); | |
2136 | heads = qemu_opt_get_number(opts, "heads", 0); | |
2137 | secs = qemu_opt_get_number(opts, "secs", 0); | |
2138 | ||
2139 | snapshot = qemu_opt_get_bool(opts, "snapshot", 0); | |
2140 | ro = qemu_opt_get_bool(opts, "readonly", 0); | |
2141 | ||
2142 | file = qemu_opt_get(opts, "file"); | |
2143 | serial = qemu_opt_get(opts, "serial"); | |
2144 | ||
2145 | if ((buf = qemu_opt_get(opts, "if")) != NULL) { | |
2146 | pstrcpy(devname, sizeof(devname), buf); | |
2147 | if (!strcmp(buf, "ide")) { | |
2148 | type = IF_IDE; | |
2149 | max_devs = MAX_IDE_DEVS; | |
2150 | } else if (!strcmp(buf, "scsi")) { | |
2151 | type = IF_SCSI; | |
2152 | max_devs = MAX_SCSI_DEVS; | |
2153 | } else if (!strcmp(buf, "floppy")) { | |
2154 | type = IF_FLOPPY; | |
2155 | max_devs = 0; | |
2156 | } else if (!strcmp(buf, "pflash")) { | |
2157 | type = IF_PFLASH; | |
2158 | max_devs = 0; | |
2159 | } else if (!strcmp(buf, "mtd")) { | |
2160 | type = IF_MTD; | |
2161 | max_devs = 0; | |
2162 | } else if (!strcmp(buf, "sd")) { | |
2163 | type = IF_SD; | |
2164 | max_devs = 0; | |
2165 | } else if (!strcmp(buf, "virtio")) { | |
2166 | type = IF_VIRTIO; | |
2167 | max_devs = 0; | |
2168 | } else if (!strcmp(buf, "xen")) { | |
2169 | type = IF_XEN; | |
2170 | max_devs = 0; | |
2171 | } else if (!strcmp(buf, "none")) { | |
2172 | type = IF_NONE; | |
2173 | max_devs = 0; | |
2174 | } else { | |
2175 | fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf); | |
2176 | return NULL; | |
2177 | } | |
2178 | } | |
2179 | ||
2180 | if (cyls || heads || secs) { | |
2181 | if (cyls < 1 || (type == IF_IDE && cyls > 16383)) { | |
2182 | fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf); | |
2183 | return NULL; | |
2184 | } | |
2185 | if (heads < 1 || (type == IF_IDE && heads > 16)) { | |
2186 | fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf); | |
2187 | return NULL; | |
2188 | } | |
2189 | if (secs < 1 || (type == IF_IDE && secs > 63)) { | |
2190 | fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf); | |
2191 | return NULL; | |
2192 | } | |
2193 | } | |
2194 | ||
2195 | if ((buf = qemu_opt_get(opts, "trans")) != NULL) { | |
2196 | if (!cyls) { | |
2197 | fprintf(stderr, | |
2198 | "qemu: '%s' trans must be used with cyls,heads and secs\n", | |
2199 | buf); | |
2200 | return NULL; | |
2201 | } | |
2202 | if (!strcmp(buf, "none")) | |
2203 | translation = BIOS_ATA_TRANSLATION_NONE; | |
2204 | else if (!strcmp(buf, "lba")) | |
2205 | translation = BIOS_ATA_TRANSLATION_LBA; | |
2206 | else if (!strcmp(buf, "auto")) | |
2207 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
2208 | else { | |
2209 | fprintf(stderr, "qemu: '%s' invalid translation type\n", buf); | |
2210 | return NULL; | |
2211 | } | |
2212 | } | |
2213 | ||
2214 | if ((buf = qemu_opt_get(opts, "media")) != NULL) { | |
2215 | if (!strcmp(buf, "disk")) { | |
2216 | media = MEDIA_DISK; | |
2217 | } else if (!strcmp(buf, "cdrom")) { | |
2218 | if (cyls || secs || heads) { | |
2219 | fprintf(stderr, | |
2220 | "qemu: '%s' invalid physical CHS format\n", buf); | |
2221 | return NULL; | |
2222 | } | |
2223 | media = MEDIA_CDROM; | |
2224 | } else { | |
2225 | fprintf(stderr, "qemu: '%s' invalid media\n", buf); | |
2226 | return NULL; | |
2227 | } | |
2228 | } | |
2229 | ||
2230 | if ((buf = qemu_opt_get(opts, "cache")) != NULL) { | |
2231 | if (!strcmp(buf, "off") || !strcmp(buf, "none")) | |
2232 | cache = 0; | |
2233 | else if (!strcmp(buf, "writethrough")) | |
2234 | cache = 1; | |
2235 | else if (!strcmp(buf, "writeback")) | |
2236 | cache = 2; | |
2237 | else { | |
2238 | fprintf(stderr, "qemu: invalid cache option\n"); | |
2239 | return NULL; | |
2240 | } | |
2241 | } | |
2242 | ||
2243 | #ifdef CONFIG_LINUX_AIO | |
2244 | if ((buf = qemu_opt_get(opts, "aio")) != NULL) { | |
2245 | if (!strcmp(buf, "threads")) | |
2246 | aio = 0; | |
2247 | else if (!strcmp(buf, "native")) | |
2248 | aio = 1; | |
2249 | else { | |
2250 | fprintf(stderr, "qemu: invalid aio option\n"); | |
2251 | return NULL; | |
2252 | } | |
2253 | } | |
2254 | #endif | |
2255 | ||
2256 | if ((buf = qemu_opt_get(opts, "format")) != NULL) { | |
2257 | if (strcmp(buf, "?") == 0) { | |
2258 | fprintf(stderr, "qemu: Supported formats:"); | |
2259 | bdrv_iterate_format(bdrv_format_print, NULL); | |
2260 | fprintf(stderr, "\n"); | |
2261 | return NULL; | |
2262 | } | |
2263 | drv = bdrv_find_whitelisted_format(buf); | |
2264 | if (!drv) { | |
2265 | fprintf(stderr, "qemu: '%s' invalid format\n", buf); | |
2266 | return NULL; | |
2267 | } | |
2268 | } | |
2269 | ||
2270 | on_write_error = BLOCK_ERR_STOP_ENOSPC; | |
2271 | if ((buf = qemu_opt_get(opts, "werror")) != NULL) { | |
2272 | if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) { | |
2273 | fprintf(stderr, "werror is no supported by this format\n"); | |
2274 | return NULL; | |
2275 | } | |
2276 | ||
2277 | on_write_error = parse_block_error_action(buf, 0); | |
2278 | if (on_write_error < 0) { | |
2279 | return NULL; | |
2280 | } | |
2281 | } | |
2282 | ||
2283 | on_read_error = BLOCK_ERR_REPORT; | |
2284 | if ((buf = qemu_opt_get(opts, "rerror")) != NULL) { | |
2285 | if (type != IF_IDE && type != IF_VIRTIO) { | |
2286 | fprintf(stderr, "rerror is no supported by this format\n"); | |
2287 | return NULL; | |
2288 | } | |
2289 | ||
2290 | on_read_error = parse_block_error_action(buf, 1); | |
2291 | if (on_read_error < 0) { | |
2292 | return NULL; | |
2293 | } | |
2294 | } | |
2295 | ||
2296 | if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) { | |
2297 | if (type != IF_VIRTIO) { | |
2298 | fprintf(stderr, "addr is not supported\n"); | |
2299 | return NULL; | |
2300 | } | |
2301 | } | |
2302 | ||
2303 | /* compute bus and unit according index */ | |
2304 | ||
2305 | if (index != -1) { | |
2306 | if (bus_id != 0 || unit_id != -1) { | |
2307 | fprintf(stderr, | |
2308 | "qemu: index cannot be used with bus and unit\n"); | |
2309 | return NULL; | |
2310 | } | |
2311 | if (max_devs == 0) | |
2312 | { | |
2313 | unit_id = index; | |
2314 | bus_id = 0; | |
2315 | } else { | |
2316 | unit_id = index % max_devs; | |
2317 | bus_id = index / max_devs; | |
2318 | } | |
2319 | } | |
2320 | ||
2321 | /* if user doesn't specify a unit_id, | |
2322 | * try to find the first free | |
2323 | */ | |
2324 | ||
2325 | if (unit_id == -1) { | |
2326 | unit_id = 0; | |
2327 | while (drive_get(type, bus_id, unit_id) != NULL) { | |
2328 | unit_id++; | |
2329 | if (max_devs && unit_id >= max_devs) { | |
2330 | unit_id -= max_devs; | |
2331 | bus_id++; | |
2332 | } | |
2333 | } | |
2334 | } | |
2335 | ||
2336 | /* check unit id */ | |
2337 | ||
2338 | if (max_devs && unit_id >= max_devs) { | |
2339 | fprintf(stderr, "qemu: unit %d too big (max is %d)\n", | |
2340 | unit_id, max_devs - 1); | |
2341 | return NULL; | |
2342 | } | |
2343 | ||
2344 | /* | |
2345 | * ignore multiple definitions | |
2346 | */ | |
2347 | ||
2348 | if (drive_get(type, bus_id, unit_id) != NULL) { | |
2349 | *fatal_error = 0; | |
2350 | return NULL; | |
2351 | } | |
2352 | ||
2353 | /* init */ | |
2354 | ||
2355 | dinfo = qemu_mallocz(sizeof(*dinfo)); | |
2356 | if ((buf = qemu_opts_id(opts)) != NULL) { | |
2357 | dinfo->id = qemu_strdup(buf); | |
2358 | } else { | |
2359 | /* no id supplied -> create one */ | |
2360 | dinfo->id = qemu_mallocz(32); | |
2361 | if (type == IF_IDE || type == IF_SCSI) | |
2362 | mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; | |
2363 | if (max_devs) | |
2364 | snprintf(dinfo->id, 32, "%s%i%s%i", | |
2365 | devname, bus_id, mediastr, unit_id); | |
2366 | else | |
2367 | snprintf(dinfo->id, 32, "%s%s%i", | |
2368 | devname, mediastr, unit_id); | |
2369 | } | |
2370 | dinfo->bdrv = bdrv_new(dinfo->id); | |
2371 | dinfo->devaddr = devaddr; | |
2372 | dinfo->type = type; | |
2373 | dinfo->bus = bus_id; | |
2374 | dinfo->unit = unit_id; | |
2375 | dinfo->on_read_error = on_read_error; | |
2376 | dinfo->on_write_error = on_write_error; | |
2377 | dinfo->opts = opts; | |
2378 | if (serial) | |
2379 | strncpy(dinfo->serial, serial, sizeof(serial)); | |
2380 | QTAILQ_INSERT_TAIL(&drives, dinfo, next); | |
2381 | ||
2382 | switch(type) { | |
2383 | case IF_IDE: | |
2384 | case IF_SCSI: | |
2385 | case IF_XEN: | |
2386 | case IF_NONE: | |
2387 | switch(media) { | |
2388 | case MEDIA_DISK: | |
2389 | if (cyls != 0) { | |
2390 | bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs); | |
2391 | bdrv_set_translation_hint(dinfo->bdrv, translation); | |
2392 | } | |
2393 | break; | |
2394 | case MEDIA_CDROM: | |
2395 | bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM); | |
2396 | break; | |
2397 | } | |
2398 | break; | |
2399 | case IF_SD: | |
2400 | /* FIXME: This isn't really a floppy, but it's a reasonable | |
2401 | approximation. */ | |
2402 | case IF_FLOPPY: | |
2403 | bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY); | |
2404 | break; | |
2405 | case IF_PFLASH: | |
2406 | case IF_MTD: | |
2407 | break; | |
2408 | case IF_VIRTIO: | |
2409 | /* add virtio block device */ | |
2410 | opts = qemu_opts_create(&qemu_device_opts, NULL, 0); | |
2411 | qemu_opt_set(opts, "driver", "virtio-blk-pci"); | |
2412 | qemu_opt_set(opts, "drive", dinfo->id); | |
2413 | if (devaddr) | |
2414 | qemu_opt_set(opts, "addr", devaddr); | |
2415 | break; | |
2416 | case IF_COUNT: | |
2417 | abort(); | |
2418 | } | |
2419 | if (!file) { | |
2420 | *fatal_error = 0; | |
2421 | return NULL; | |
2422 | } | |
2423 | bdrv_flags = 0; | |
2424 | if (snapshot) { | |
2425 | bdrv_flags |= BDRV_O_SNAPSHOT; | |
2426 | cache = 2; /* always use write-back with snapshot */ | |
2427 | } | |
2428 | if (cache == 0) /* no caching */ | |
2429 | bdrv_flags |= BDRV_O_NOCACHE; | |
2430 | else if (cache == 2) /* write-back */ | |
2431 | bdrv_flags |= BDRV_O_CACHE_WB; | |
2432 | ||
2433 | if (aio == 1) { | |
2434 | bdrv_flags |= BDRV_O_NATIVE_AIO; | |
2435 | } else { | |
2436 | bdrv_flags &= ~BDRV_O_NATIVE_AIO; | |
2437 | } | |
2438 | ||
2439 | if (ro == 1) { | |
2440 | if (type == IF_IDE) { | |
2441 | fprintf(stderr, "qemu: readonly flag not supported for drive with ide interface\n"); | |
2442 | return NULL; | |
2443 | } | |
2444 | (void)bdrv_set_read_only(dinfo->bdrv, 1); | |
2445 | } | |
2446 | ||
2447 | if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) { | |
2448 | fprintf(stderr, "qemu: could not open disk image %s: %s\n", | |
2449 | file, strerror(errno)); | |
2450 | return NULL; | |
2451 | } | |
2452 | ||
2453 | if (bdrv_key_required(dinfo->bdrv)) | |
2454 | autostart = 0; | |
2455 | *fatal_error = 0; | |
2456 | return dinfo; | |
2457 | } | |
2458 | ||
2459 | static int drive_init_func(QemuOpts *opts, void *opaque) | |
2460 | { | |
2461 | QEMUMachine *machine = opaque; | |
2462 | int fatal_error = 0; | |
2463 | ||
2464 | if (drive_init(opts, machine, &fatal_error) == NULL) { | |
2465 | if (fatal_error) | |
2466 | return 1; | |
2467 | } | |
2468 | return 0; | |
2469 | } | |
2470 | ||
2471 | static int drive_enable_snapshot(QemuOpts *opts, void *opaque) | |
2472 | { | |
2473 | if (NULL == qemu_opt_get(opts, "snapshot")) { | |
2474 | qemu_opt_set(opts, "snapshot", "on"); | |
2475 | } | |
2476 | return 0; | |
2477 | } | |
2478 | ||
2479 | void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque) | |
2480 | { | |
2481 | boot_set_handler = func; | |
2482 | boot_set_opaque = opaque; | |
2483 | } | |
2484 | ||
2485 | int qemu_boot_set(const char *boot_devices) | |
2486 | { | |
2487 | if (!boot_set_handler) { | |
2488 | return -EINVAL; | |
2489 | } | |
2490 | return boot_set_handler(boot_set_opaque, boot_devices); | |
2491 | } | |
2492 | ||
2493 | static int parse_bootdevices(char *devices) | |
2494 | { | |
2495 | /* We just do some generic consistency checks */ | |
2496 | const char *p; | |
2497 | int bitmap = 0; | |
2498 | ||
2499 | for (p = devices; *p != '\0'; p++) { | |
2500 | /* Allowed boot devices are: | |
2501 | * a-b: floppy disk drives | |
2502 | * c-f: IDE disk drives | |
2503 | * g-m: machine implementation dependant drives | |
2504 | * n-p: network devices | |
2505 | * It's up to each machine implementation to check if the given boot | |
2506 | * devices match the actual hardware implementation and firmware | |
2507 | * features. | |
2508 | */ | |
2509 | if (*p < 'a' || *p > 'p') { | |
2510 | fprintf(stderr, "Invalid boot device '%c'\n", *p); | |
2511 | exit(1); | |
2512 | } | |
2513 | if (bitmap & (1 << (*p - 'a'))) { | |
2514 | fprintf(stderr, "Boot device '%c' was given twice\n", *p); | |
2515 | exit(1); | |
2516 | } | |
2517 | bitmap |= 1 << (*p - 'a'); | |
2518 | } | |
2519 | return bitmap; | |
2520 | } | |
2521 | ||
2522 | static void restore_boot_devices(void *opaque) | |
2523 | { | |
2524 | char *standard_boot_devices = opaque; | |
2525 | ||
2526 | qemu_boot_set(standard_boot_devices); | |
2527 | ||
2528 | qemu_unregister_reset(restore_boot_devices, standard_boot_devices); | |
2529 | qemu_free(standard_boot_devices); | |
2530 | } | |
2531 | ||
2532 | static void numa_add(const char *optarg) | |
2533 | { | |
2534 | char option[128]; | |
2535 | char *endptr; | |
2536 | unsigned long long value, endvalue; | |
2537 | int nodenr; | |
2538 | ||
2539 | optarg = get_opt_name(option, 128, optarg, ',') + 1; | |
2540 | if (!strcmp(option, "node")) { | |
2541 | if (get_param_value(option, 128, "nodeid", optarg) == 0) { | |
2542 | nodenr = nb_numa_nodes; | |
2543 | } else { | |
2544 | nodenr = strtoull(option, NULL, 10); | |
2545 | } | |
2546 | ||
2547 | if (get_param_value(option, 128, "mem", optarg) == 0) { | |
2548 | node_mem[nodenr] = 0; | |
2549 | } else { | |
2550 | value = strtoull(option, &endptr, 0); | |
2551 | switch (*endptr) { | |
2552 | case 0: case 'M': case 'm': | |
2553 | value <<= 20; | |
2554 | break; | |
2555 | case 'G': case 'g': | |
2556 | value <<= 30; | |
2557 | break; | |
2558 | } | |
2559 | node_mem[nodenr] = value; | |
2560 | } | |
2561 | if (get_param_value(option, 128, "cpus", optarg) == 0) { | |
2562 | node_cpumask[nodenr] = 0; | |
2563 | } else { | |
2564 | value = strtoull(option, &endptr, 10); | |
2565 | if (value >= 64) { | |
2566 | value = 63; | |
2567 | fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n"); | |
2568 | } else { | |
2569 | if (*endptr == '-') { | |
2570 | endvalue = strtoull(endptr+1, &endptr, 10); | |
2571 | if (endvalue >= 63) { | |
2572 | endvalue = 62; | |
2573 | fprintf(stderr, | |
2574 | "only 63 CPUs in NUMA mode supported.\n"); | |
2575 | } | |
2576 | value = (1 << (endvalue + 1)) - (1 << value); | |
2577 | } else { | |
2578 | value = 1 << value; | |
2579 | } | |
2580 | } | |
2581 | node_cpumask[nodenr] = value; | |
2582 | } | |
2583 | nb_numa_nodes++; | |
2584 | } | |
2585 | return; | |
2586 | } | |
2587 | ||
2588 | static void smp_parse(const char *optarg) | |
2589 | { | |
2590 | int smp, sockets = 0, threads = 0, cores = 0; | |
2591 | char *endptr; | |
2592 | char option[128]; | |
2593 | ||
2594 | smp = strtoul(optarg, &endptr, 10); | |
2595 | if (endptr != optarg) { | |
2596 | if (*endptr == ',') { | |
2597 | endptr++; | |
2598 | } | |
2599 | } | |
2600 | if (get_param_value(option, 128, "sockets", endptr) != 0) | |
2601 | sockets = strtoull(option, NULL, 10); | |
2602 | if (get_param_value(option, 128, "cores", endptr) != 0) | |
2603 | cores = strtoull(option, NULL, 10); | |
2604 | if (get_param_value(option, 128, "threads", endptr) != 0) | |
2605 | threads = strtoull(option, NULL, 10); | |
2606 | if (get_param_value(option, 128, "maxcpus", endptr) != 0) | |
2607 | max_cpus = strtoull(option, NULL, 10); | |
2608 | ||
2609 | /* compute missing values, prefer sockets over cores over threads */ | |
2610 | if (smp == 0 || sockets == 0) { | |
2611 | sockets = sockets > 0 ? sockets : 1; | |
2612 | cores = cores > 0 ? cores : 1; | |
2613 | threads = threads > 0 ? threads : 1; | |
2614 | if (smp == 0) { | |
2615 | smp = cores * threads * sockets; | |
2616 | } else { | |
2617 | sockets = smp / (cores * threads); | |
2618 | } | |
2619 | } else { | |
2620 | if (cores == 0) { | |
2621 | threads = threads > 0 ? threads : 1; | |
2622 | cores = smp / (sockets * threads); | |
2623 | } else { | |
2624 | if (sockets == 0) { | |
2625 | sockets = smp / (cores * threads); | |
2626 | } else { | |
2627 | threads = smp / (cores * sockets); | |
2628 | } | |
2629 | } | |
2630 | } | |
2631 | smp_cpus = smp; | |
2632 | smp_cores = cores > 0 ? cores : 1; | |
2633 | smp_threads = threads > 0 ? threads : 1; | |
2634 | if (max_cpus == 0) | |
2635 | max_cpus = smp_cpus; | |
2636 | } | |
2637 | ||
2638 | /***********************************************************/ | |
2639 | /* USB devices */ | |
2640 | ||
2641 | static int usb_device_add(const char *devname, int is_hotplug) | |
2642 | { | |
2643 | const char *p; | |
2644 | USBDevice *dev = NULL; | |
2645 | ||
2646 | if (!usb_enabled) | |
2647 | return -1; | |
2648 | ||
2649 | /* drivers with .usbdevice_name entry in USBDeviceInfo */ | |
2650 | dev = usbdevice_create(devname); | |
2651 | if (dev) | |
2652 | goto done; | |
2653 | ||
2654 | /* the other ones */ | |
2655 | if (strstart(devname, "host:", &p)) { | |
2656 | dev = usb_host_device_open(p); | |
2657 | } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { | |
2658 | dev = usb_bt_init(devname[2] ? hci_init(p) : | |
2659 | bt_new_hci(qemu_find_bt_vlan(0))); | |
2660 | } else { | |
2661 | return -1; | |
2662 | } | |
2663 | if (!dev) | |
2664 | return -1; | |
2665 | ||
2666 | done: | |
2667 | return 0; | |
2668 | } | |
2669 | ||
2670 | static int usb_device_del(const char *devname) | |
2671 | { | |
2672 | int bus_num, addr; | |
2673 | const char *p; | |
2674 | ||
2675 | if (strstart(devname, "host:", &p)) | |
2676 | return usb_host_device_close(p); | |
2677 | ||
2678 | if (!usb_enabled) | |
2679 | return -1; | |
2680 | ||
2681 | p = strchr(devname, '.'); | |
2682 | if (!p) | |
2683 | return -1; | |
2684 | bus_num = strtoul(devname, NULL, 0); | |
2685 | addr = strtoul(p + 1, NULL, 0); | |
2686 | ||
2687 | return usb_device_delete_addr(bus_num, addr); | |
2688 | } | |
2689 | ||
2690 | static int usb_parse(const char *cmdline) | |
2691 | { | |
2692 | int r; | |
2693 | r = usb_device_add(cmdline, 0); | |
2694 | if (r < 0) { | |
2695 | fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline); | |
2696 | } | |
2697 | return r; | |
2698 | } | |
2699 | ||
2700 | void do_usb_add(Monitor *mon, const QDict *qdict) | |
2701 | { | |
2702 | const char *devname = qdict_get_str(qdict, "devname"); | |
2703 | if (usb_device_add(devname, 1) < 0) { | |
2704 | qemu_error("could not add USB device '%s'\n", devname); | |
2705 | } | |
2706 | } | |
2707 | ||
2708 | void do_usb_del(Monitor *mon, const QDict *qdict) | |
2709 | { | |
2710 | const char *devname = qdict_get_str(qdict, "devname"); | |
2711 | if (usb_device_del(devname) < 0) { | |
2712 | qemu_error("could not delete USB device '%s'\n", devname); | |
2713 | } | |
2714 | } | |
2715 | ||
2716 | /***********************************************************/ | |
2717 | /* PCMCIA/Cardbus */ | |
2718 | ||
2719 | static struct pcmcia_socket_entry_s { | |
2720 | PCMCIASocket *socket; | |
2721 | struct pcmcia_socket_entry_s *next; | |
2722 | } *pcmcia_sockets = 0; | |
2723 | ||
2724 | void pcmcia_socket_register(PCMCIASocket *socket) | |
2725 | { | |
2726 | struct pcmcia_socket_entry_s *entry; | |
2727 | ||
2728 | entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); | |
2729 | entry->socket = socket; | |
2730 | entry->next = pcmcia_sockets; | |
2731 | pcmcia_sockets = entry; | |
2732 | } | |
2733 | ||
2734 | void pcmcia_socket_unregister(PCMCIASocket *socket) | |
2735 | { | |
2736 | struct pcmcia_socket_entry_s *entry, **ptr; | |
2737 | ||
2738 | ptr = &pcmcia_sockets; | |
2739 | for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) | |
2740 | if (entry->socket == socket) { | |
2741 | *ptr = entry->next; | |
2742 | qemu_free(entry); | |
2743 | } | |
2744 | } | |
2745 | ||
2746 | void pcmcia_info(Monitor *mon) | |
2747 | { | |
2748 | struct pcmcia_socket_entry_s *iter; | |
2749 | ||
2750 | if (!pcmcia_sockets) | |
2751 | monitor_printf(mon, "No PCMCIA sockets\n"); | |
2752 | ||
2753 | for (iter = pcmcia_sockets; iter; iter = iter->next) | |
2754 | monitor_printf(mon, "%s: %s\n", iter->socket->slot_string, | |
2755 | iter->socket->attached ? iter->socket->card_string : | |
2756 | "Empty"); | |
2757 | } | |
2758 | ||
2759 | /***********************************************************/ | |
2760 | /* register display */ | |
2761 | ||
2762 | struct DisplayAllocator default_allocator = { | |
2763 | defaultallocator_create_displaysurface, | |
2764 | defaultallocator_resize_displaysurface, | |
2765 | defaultallocator_free_displaysurface | |
2766 | }; | |
2767 | ||
2768 | void register_displaystate(DisplayState *ds) | |
2769 | { | |
2770 | DisplayState **s; | |
2771 | s = &display_state; | |
2772 | while (*s != NULL) | |
2773 | s = &(*s)->next; | |
2774 | ds->next = NULL; | |
2775 | *s = ds; | |
2776 | } | |
2777 | ||
2778 | DisplayState *get_displaystate(void) | |
2779 | { | |
2780 | return display_state; | |
2781 | } | |
2782 | ||
2783 | DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da) | |
2784 | { | |
2785 | if(ds->allocator == &default_allocator) ds->allocator = da; | |
2786 | return ds->allocator; | |
2787 | } | |
2788 | ||
2789 | /* dumb display */ | |
2790 | ||
2791 | static void dumb_display_init(void) | |
2792 | { | |
2793 | DisplayState *ds = qemu_mallocz(sizeof(DisplayState)); | |
2794 | ds->allocator = &default_allocator; | |
2795 | ds->surface = qemu_create_displaysurface(ds, 640, 480); | |
2796 | register_displaystate(ds); | |
2797 | } | |
2798 | ||
2799 | /***********************************************************/ | |
2800 | /* I/O handling */ | |
2801 | ||
2802 | typedef struct IOHandlerRecord { | |
2803 | int fd; | |
2804 | IOCanRWHandler *fd_read_poll; | |
2805 | IOHandler *fd_read; | |
2806 | IOHandler *fd_write; | |
2807 | int deleted; | |
2808 | void *opaque; | |
2809 | /* temporary data */ | |
2810 | struct pollfd *ufd; | |
2811 | struct IOHandlerRecord *next; | |
2812 | } IOHandlerRecord; | |
2813 | ||
2814 | static IOHandlerRecord *first_io_handler; | |
2815 | ||
2816 | /* XXX: fd_read_poll should be suppressed, but an API change is | |
2817 | necessary in the character devices to suppress fd_can_read(). */ | |
2818 | int qemu_set_fd_handler2(int fd, | |
2819 | IOCanRWHandler *fd_read_poll, | |
2820 | IOHandler *fd_read, | |
2821 | IOHandler *fd_write, | |
2822 | void *opaque) | |
2823 | { | |
2824 | IOHandlerRecord **pioh, *ioh; | |
2825 | ||
2826 | if (!fd_read && !fd_write) { | |
2827 | pioh = &first_io_handler; | |
2828 | for(;;) { | |
2829 | ioh = *pioh; | |
2830 | if (ioh == NULL) | |
2831 | break; | |
2832 | if (ioh->fd == fd) { | |
2833 | ioh->deleted = 1; | |
2834 | break; | |
2835 | } | |
2836 | pioh = &ioh->next; | |
2837 | } | |
2838 | } else { | |
2839 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
2840 | if (ioh->fd == fd) | |
2841 | goto found; | |
2842 | } | |
2843 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
2844 | ioh->next = first_io_handler; | |
2845 | first_io_handler = ioh; | |
2846 | found: | |
2847 | ioh->fd = fd; | |
2848 | ioh->fd_read_poll = fd_read_poll; | |
2849 | ioh->fd_read = fd_read; | |
2850 | ioh->fd_write = fd_write; | |
2851 | ioh->opaque = opaque; | |
2852 | ioh->deleted = 0; | |
2853 | } | |
2854 | return 0; | |
2855 | } | |
2856 | ||
2857 | int qemu_set_fd_handler(int fd, | |
2858 | IOHandler *fd_read, | |
2859 | IOHandler *fd_write, | |
2860 | void *opaque) | |
2861 | { | |
2862 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); | |
2863 | } | |
2864 | ||
2865 | #ifdef _WIN32 | |
2866 | /***********************************************************/ | |
2867 | /* Polling handling */ | |
2868 | ||
2869 | typedef struct PollingEntry { | |
2870 | PollingFunc *func; | |
2871 | void *opaque; | |
2872 | struct PollingEntry *next; | |
2873 | } PollingEntry; | |
2874 | ||
2875 | static PollingEntry *first_polling_entry; | |
2876 | ||
2877 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) | |
2878 | { | |
2879 | PollingEntry **ppe, *pe; | |
2880 | pe = qemu_mallocz(sizeof(PollingEntry)); | |
2881 | pe->func = func; | |
2882 | pe->opaque = opaque; | |
2883 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); | |
2884 | *ppe = pe; | |
2885 | return 0; | |
2886 | } | |
2887 | ||
2888 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) | |
2889 | { | |
2890 | PollingEntry **ppe, *pe; | |
2891 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { | |
2892 | pe = *ppe; | |
2893 | if (pe->func == func && pe->opaque == opaque) { | |
2894 | *ppe = pe->next; | |
2895 | qemu_free(pe); | |
2896 | break; | |
2897 | } | |
2898 | } | |
2899 | } | |
2900 | ||
2901 | /***********************************************************/ | |
2902 | /* Wait objects support */ | |
2903 | typedef struct WaitObjects { | |
2904 | int num; | |
2905 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; | |
2906 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; | |
2907 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; | |
2908 | } WaitObjects; | |
2909 | ||
2910 | static WaitObjects wait_objects = {0}; | |
2911 | ||
2912 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
2913 | { | |
2914 | WaitObjects *w = &wait_objects; | |
2915 | ||
2916 | if (w->num >= MAXIMUM_WAIT_OBJECTS) | |
2917 | return -1; | |
2918 | w->events[w->num] = handle; | |
2919 | w->func[w->num] = func; | |
2920 | w->opaque[w->num] = opaque; | |
2921 | w->num++; | |
2922 | return 0; | |
2923 | } | |
2924 | ||
2925 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
2926 | { | |
2927 | int i, found; | |
2928 | WaitObjects *w = &wait_objects; | |
2929 | ||
2930 | found = 0; | |
2931 | for (i = 0; i < w->num; i++) { | |
2932 | if (w->events[i] == handle) | |
2933 | found = 1; | |
2934 | if (found) { | |
2935 | w->events[i] = w->events[i + 1]; | |
2936 | w->func[i] = w->func[i + 1]; | |
2937 | w->opaque[i] = w->opaque[i + 1]; | |
2938 | } | |
2939 | } | |
2940 | if (found) | |
2941 | w->num--; | |
2942 | } | |
2943 | #endif | |
2944 | ||
2945 | /***********************************************************/ | |
2946 | /* ram save/restore */ | |
2947 | ||
2948 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ | |
2949 | #define RAM_SAVE_FLAG_COMPRESS 0x02 | |
2950 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
2951 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
2952 | #define RAM_SAVE_FLAG_EOS 0x10 | |
2953 | ||
2954 | static int is_dup_page(uint8_t *page, uint8_t ch) | |
2955 | { | |
2956 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; | |
2957 | uint32_t *array = (uint32_t *)page; | |
2958 | int i; | |
2959 | ||
2960 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { | |
2961 | if (array[i] != val) | |
2962 | return 0; | |
2963 | } | |
2964 | ||
2965 | return 1; | |
2966 | } | |
2967 | ||
2968 | static int ram_save_block(QEMUFile *f) | |
2969 | { | |
2970 | static ram_addr_t current_addr = 0; | |
2971 | ram_addr_t saved_addr = current_addr; | |
2972 | ram_addr_t addr = 0; | |
2973 | int found = 0; | |
2974 | ||
2975 | while (addr < last_ram_offset) { | |
2976 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { | |
2977 | uint8_t *p; | |
2978 | ||
2979 | cpu_physical_memory_reset_dirty(current_addr, | |
2980 | current_addr + TARGET_PAGE_SIZE, | |
2981 | MIGRATION_DIRTY_FLAG); | |
2982 | ||
2983 | p = qemu_get_ram_ptr(current_addr); | |
2984 | ||
2985 | if (is_dup_page(p, *p)) { | |
2986 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); | |
2987 | qemu_put_byte(f, *p); | |
2988 | } else { | |
2989 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); | |
2990 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); | |
2991 | } | |
2992 | ||
2993 | found = 1; | |
2994 | break; | |
2995 | } | |
2996 | addr += TARGET_PAGE_SIZE; | |
2997 | current_addr = (saved_addr + addr) % last_ram_offset; | |
2998 | } | |
2999 | ||
3000 | return found; | |
3001 | } | |
3002 | ||
3003 | static uint64_t bytes_transferred; | |
3004 | ||
3005 | static ram_addr_t ram_save_remaining(void) | |
3006 | { | |
3007 | ram_addr_t addr; | |
3008 | ram_addr_t count = 0; | |
3009 | ||
3010 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { | |
3011 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) | |
3012 | count++; | |
3013 | } | |
3014 | ||
3015 | return count; | |
3016 | } | |
3017 | ||
3018 | uint64_t ram_bytes_remaining(void) | |
3019 | { | |
3020 | return ram_save_remaining() * TARGET_PAGE_SIZE; | |
3021 | } | |
3022 | ||
3023 | uint64_t ram_bytes_transferred(void) | |
3024 | { | |
3025 | return bytes_transferred; | |
3026 | } | |
3027 | ||
3028 | uint64_t ram_bytes_total(void) | |
3029 | { | |
3030 | return last_ram_offset; | |
3031 | } | |
3032 | ||
3033 | static int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) | |
3034 | { | |
3035 | ram_addr_t addr; | |
3036 | uint64_t bytes_transferred_last; | |
3037 | double bwidth = 0; | |
3038 | uint64_t expected_time = 0; | |
3039 | ||
3040 | if (stage < 0) { | |
3041 | cpu_physical_memory_set_dirty_tracking(0); | |
3042 | return 0; | |
3043 | } | |
3044 | ||
3045 | if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { | |
3046 | qemu_file_set_error(f); | |
3047 | return 0; | |
3048 | } | |
3049 | ||
3050 | if (stage == 1) { | |
3051 | bytes_transferred = 0; | |
3052 | ||
3053 | /* Make sure all dirty bits are set */ | |
3054 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { | |
3055 | if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) | |
3056 | cpu_physical_memory_set_dirty(addr); | |
3057 | } | |
3058 | ||
3059 | /* Enable dirty memory tracking */ | |
3060 | cpu_physical_memory_set_dirty_tracking(1); | |
3061 | ||
3062 | qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE); | |
3063 | } | |
3064 | ||
3065 | bytes_transferred_last = bytes_transferred; | |
3066 | bwidth = get_clock(); | |
3067 | ||
3068 | while (!qemu_file_rate_limit(f)) { | |
3069 | int ret; | |
3070 | ||
3071 | ret = ram_save_block(f); | |
3072 | bytes_transferred += ret * TARGET_PAGE_SIZE; | |
3073 | if (ret == 0) /* no more blocks */ | |
3074 | break; | |
3075 | } | |
3076 | ||
3077 | bwidth = get_clock() - bwidth; | |
3078 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; | |
3079 | ||
3080 | /* if we haven't transferred anything this round, force expected_time to a | |
3081 | * a very high value, but without crashing */ | |
3082 | if (bwidth == 0) | |
3083 | bwidth = 0.000001; | |
3084 | ||
3085 | /* try transferring iterative blocks of memory */ | |
3086 | if (stage == 3) { | |
3087 | /* flush all remaining blocks regardless of rate limiting */ | |
3088 | while (ram_save_block(f) != 0) { | |
3089 | bytes_transferred += TARGET_PAGE_SIZE; | |
3090 | } | |
3091 | cpu_physical_memory_set_dirty_tracking(0); | |
3092 | } | |
3093 | ||
3094 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); | |
3095 | ||
3096 | expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; | |
3097 | ||
3098 | return (stage == 2) && (expected_time <= migrate_max_downtime()); | |
3099 | } | |
3100 | ||
3101 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
3102 | { | |
3103 | ram_addr_t addr; | |
3104 | int flags; | |
3105 | ||
3106 | if (version_id != 3) | |
3107 | return -EINVAL; | |
3108 | ||
3109 | do { | |
3110 | addr = qemu_get_be64(f); | |
3111 | ||
3112 | flags = addr & ~TARGET_PAGE_MASK; | |
3113 | addr &= TARGET_PAGE_MASK; | |
3114 | ||
3115 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
3116 | if (addr != last_ram_offset) | |
3117 | return -EINVAL; | |
3118 | } | |
3119 | ||
3120 | if (flags & RAM_SAVE_FLAG_COMPRESS) { | |
3121 | uint8_t ch = qemu_get_byte(f); | |
3122 | memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); | |
3123 | #ifndef _WIN32 | |
3124 | if (ch == 0 && | |
3125 | (!kvm_enabled() || kvm_has_sync_mmu())) { | |
3126 | madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED); | |
3127 | } | |
3128 | #endif | |
3129 | } else if (flags & RAM_SAVE_FLAG_PAGE) { | |
3130 | qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); | |
3131 | } | |
3132 | if (qemu_file_has_error(f)) { | |
3133 | return -EIO; | |
3134 | } | |
3135 | } while (!(flags & RAM_SAVE_FLAG_EOS)); | |
3136 | ||
3137 | return 0; | |
3138 | } | |
3139 | ||
3140 | void qemu_service_io(void) | |
3141 | { | |
3142 | qemu_notify_event(); | |
3143 | } | |
3144 | ||
3145 | /***********************************************************/ | |
3146 | /* machine registration */ | |
3147 | ||
3148 | static QEMUMachine *first_machine = NULL; | |
3149 | QEMUMachine *current_machine = NULL; | |
3150 | ||
3151 | int qemu_register_machine(QEMUMachine *m) | |
3152 | { | |
3153 | QEMUMachine **pm; | |
3154 | pm = &first_machine; | |
3155 | while (*pm != NULL) | |
3156 | pm = &(*pm)->next; | |
3157 | m->next = NULL; | |
3158 | *pm = m; | |
3159 | return 0; | |
3160 | } | |
3161 | ||
3162 | static QEMUMachine *find_machine(const char *name) | |
3163 | { | |
3164 | QEMUMachine *m; | |
3165 | ||
3166 | for(m = first_machine; m != NULL; m = m->next) { | |
3167 | if (!strcmp(m->name, name)) | |
3168 | return m; | |
3169 | if (m->alias && !strcmp(m->alias, name)) | |
3170 | return m; | |
3171 | } | |
3172 | return NULL; | |
3173 | } | |
3174 | ||
3175 | static QEMUMachine *find_default_machine(void) | |
3176 | { | |
3177 | QEMUMachine *m; | |
3178 | ||
3179 | for(m = first_machine; m != NULL; m = m->next) { | |
3180 | if (m->is_default) { | |
3181 | return m; | |
3182 | } | |
3183 | } | |
3184 | return NULL; | |
3185 | } | |
3186 | ||
3187 | /***********************************************************/ | |
3188 | /* main execution loop */ | |
3189 | ||
3190 | static void gui_update(void *opaque) | |
3191 | { | |
3192 | uint64_t interval = GUI_REFRESH_INTERVAL; | |
3193 | DisplayState *ds = opaque; | |
3194 | DisplayChangeListener *dcl = ds->listeners; | |
3195 | ||
3196 | dpy_refresh(ds); | |
3197 | ||
3198 | while (dcl != NULL) { | |
3199 | if (dcl->gui_timer_interval && | |
3200 | dcl->gui_timer_interval < interval) | |
3201 | interval = dcl->gui_timer_interval; | |
3202 | dcl = dcl->next; | |
3203 | } | |
3204 | qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock)); | |
3205 | } | |
3206 | ||
3207 | static void nographic_update(void *opaque) | |
3208 | { | |
3209 | uint64_t interval = GUI_REFRESH_INTERVAL; | |
3210 | ||
3211 | qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock)); | |
3212 | } | |
3213 | ||
3214 | struct vm_change_state_entry { | |
3215 | VMChangeStateHandler *cb; | |
3216 | void *opaque; | |
3217 | QLIST_ENTRY (vm_change_state_entry) entries; | |
3218 | }; | |
3219 | ||
3220 | static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; | |
3221 | ||
3222 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
3223 | void *opaque) | |
3224 | { | |
3225 | VMChangeStateEntry *e; | |
3226 | ||
3227 | e = qemu_mallocz(sizeof (*e)); | |
3228 | ||
3229 | e->cb = cb; | |
3230 | e->opaque = opaque; | |
3231 | QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); | |
3232 | return e; | |
3233 | } | |
3234 | ||
3235 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
3236 | { | |
3237 | QLIST_REMOVE (e, entries); | |
3238 | qemu_free (e); | |
3239 | } | |
3240 | ||
3241 | static void vm_state_notify(int running, int reason) | |
3242 | { | |
3243 | VMChangeStateEntry *e; | |
3244 | ||
3245 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
3246 | e->cb(e->opaque, running, reason); | |
3247 | } | |
3248 | } | |
3249 | ||
3250 | static void resume_all_vcpus(void); | |
3251 | static void pause_all_vcpus(void); | |
3252 | ||
3253 | void vm_start(void) | |
3254 | { | |
3255 | if (!vm_running) { | |
3256 | cpu_enable_ticks(); | |
3257 | vm_running = 1; | |
3258 | vm_state_notify(1, 0); | |
3259 | qemu_rearm_alarm_timer(alarm_timer); | |
3260 | resume_all_vcpus(); | |
3261 | } | |
3262 | } | |
3263 | ||
3264 | /* reset/shutdown handler */ | |
3265 | ||
3266 | typedef struct QEMUResetEntry { | |
3267 | QTAILQ_ENTRY(QEMUResetEntry) entry; | |
3268 | QEMUResetHandler *func; | |
3269 | void *opaque; | |
3270 | } QEMUResetEntry; | |
3271 | ||
3272 | static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers = | |
3273 | QTAILQ_HEAD_INITIALIZER(reset_handlers); | |
3274 | static int reset_requested; | |
3275 | static int shutdown_requested; | |
3276 | static int powerdown_requested; | |
3277 | static int debug_requested; | |
3278 | static int vmstop_requested; | |
3279 | ||
3280 | int qemu_shutdown_requested(void) | |
3281 | { | |
3282 | int r = shutdown_requested; | |
3283 | shutdown_requested = 0; | |
3284 | return r; | |
3285 | } | |
3286 | ||
3287 | int qemu_reset_requested(void) | |
3288 | { | |
3289 | int r = reset_requested; | |
3290 | reset_requested = 0; | |
3291 | return r; | |
3292 | } | |
3293 | ||
3294 | int qemu_powerdown_requested(void) | |
3295 | { | |
3296 | int r = powerdown_requested; | |
3297 | powerdown_requested = 0; | |
3298 | return r; | |
3299 | } | |
3300 | ||
3301 | static int qemu_debug_requested(void) | |
3302 | { | |
3303 | int r = debug_requested; | |
3304 | debug_requested = 0; | |
3305 | return r; | |
3306 | } | |
3307 | ||
3308 | static int qemu_vmstop_requested(void) | |
3309 | { | |
3310 | int r = vmstop_requested; | |
3311 | vmstop_requested = 0; | |
3312 | return r; | |
3313 | } | |
3314 | ||
3315 | static void do_vm_stop(int reason) | |
3316 | { | |
3317 | if (vm_running) { | |
3318 | cpu_disable_ticks(); | |
3319 | vm_running = 0; | |
3320 | pause_all_vcpus(); | |
3321 | vm_state_notify(0, reason); | |
3322 | } | |
3323 | } | |
3324 | ||
3325 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) | |
3326 | { | |
3327 | QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry)); | |
3328 | ||
3329 | re->func = func; | |
3330 | re->opaque = opaque; | |
3331 | QTAILQ_INSERT_TAIL(&reset_handlers, re, entry); | |
3332 | } | |
3333 | ||
3334 | void qemu_unregister_reset(QEMUResetHandler *func, void *opaque) | |
3335 | { | |
3336 | QEMUResetEntry *re; | |
3337 | ||
3338 | QTAILQ_FOREACH(re, &reset_handlers, entry) { | |
3339 | if (re->func == func && re->opaque == opaque) { | |
3340 | QTAILQ_REMOVE(&reset_handlers, re, entry); | |
3341 | qemu_free(re); | |
3342 | return; | |
3343 | } | |
3344 | } | |
3345 | } | |
3346 | ||
3347 | void qemu_system_reset(void) | |
3348 | { | |
3349 | QEMUResetEntry *re, *nre; | |
3350 | ||
3351 | /* reset all devices */ | |
3352 | QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) { | |
3353 | re->func(re->opaque); | |
3354 | } | |
3355 | } | |
3356 | ||
3357 | void qemu_system_reset_request(void) | |
3358 | { | |
3359 | if (no_reboot) { | |
3360 | shutdown_requested = 1; | |
3361 | } else { | |
3362 | reset_requested = 1; | |
3363 | } | |
3364 | qemu_notify_event(); | |
3365 | } | |
3366 | ||
3367 | void qemu_system_shutdown_request(void) | |
3368 | { | |
3369 | shutdown_requested = 1; | |
3370 | qemu_notify_event(); | |
3371 | } | |
3372 | ||
3373 | void qemu_system_powerdown_request(void) | |
3374 | { | |
3375 | powerdown_requested = 1; | |
3376 | qemu_notify_event(); | |
3377 | } | |
3378 | ||
3379 | #ifdef CONFIG_IOTHREAD | |
3380 | static void qemu_system_vmstop_request(int reason) | |
3381 | { | |
3382 | vmstop_requested = reason; | |
3383 | qemu_notify_event(); | |
3384 | } | |
3385 | #endif | |
3386 | ||
3387 | #ifndef _WIN32 | |
3388 | static int io_thread_fd = -1; | |
3389 | ||
3390 | static void qemu_event_increment(void) | |
3391 | { | |
3392 | static const char byte = 0; | |
3393 | ||
3394 | if (io_thread_fd == -1) | |
3395 | return; | |
3396 | ||
3397 | write(io_thread_fd, &byte, sizeof(byte)); | |
3398 | } | |
3399 | ||
3400 | static void qemu_event_read(void *opaque) | |
3401 | { | |
3402 | int fd = (unsigned long)opaque; | |
3403 | ssize_t len; | |
3404 | ||
3405 | /* Drain the notify pipe */ | |
3406 | do { | |
3407 | char buffer[512]; | |
3408 | len = read(fd, buffer, sizeof(buffer)); | |
3409 | } while ((len == -1 && errno == EINTR) || len > 0); | |
3410 | } | |
3411 | ||
3412 | static int qemu_event_init(void) | |
3413 | { | |
3414 | int err; | |
3415 | int fds[2]; | |
3416 | ||
3417 | err = qemu_pipe(fds); | |
3418 | if (err == -1) | |
3419 | return -errno; | |
3420 | ||
3421 | err = fcntl_setfl(fds[0], O_NONBLOCK); | |
3422 | if (err < 0) | |
3423 | goto fail; | |
3424 | ||
3425 | err = fcntl_setfl(fds[1], O_NONBLOCK); | |
3426 | if (err < 0) | |
3427 | goto fail; | |
3428 | ||
3429 | qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL, | |
3430 | (void *)(unsigned long)fds[0]); | |
3431 | ||
3432 | io_thread_fd = fds[1]; | |
3433 | return 0; | |
3434 | ||
3435 | fail: | |
3436 | close(fds[0]); | |
3437 | close(fds[1]); | |
3438 | return err; | |
3439 | } | |
3440 | #else | |
3441 | HANDLE qemu_event_handle; | |
3442 | ||
3443 | static void dummy_event_handler(void *opaque) | |
3444 | { | |
3445 | } | |
3446 | ||
3447 | static int qemu_event_init(void) | |
3448 | { | |
3449 | qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL); | |
3450 | if (!qemu_event_handle) { | |
3451 | fprintf(stderr, "Failed CreateEvent: %ld\n", GetLastError()); | |
3452 | return -1; | |
3453 | } | |
3454 | qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL); | |
3455 | return 0; | |
3456 | } | |
3457 | ||
3458 | static void qemu_event_increment(void) | |
3459 | { | |
3460 | if (!SetEvent(qemu_event_handle)) { | |
3461 | fprintf(stderr, "qemu_event_increment: SetEvent failed: %ld\n", | |
3462 | GetLastError()); | |
3463 | exit (1); | |
3464 | } | |
3465 | } | |
3466 | #endif | |
3467 | ||
3468 | static int cpu_can_run(CPUState *env) | |
3469 | { | |
3470 | if (env->stop) | |
3471 | return 0; | |
3472 | if (env->stopped) | |
3473 | return 0; | |
3474 | return 1; | |
3475 | } | |
3476 | ||
3477 | #ifndef CONFIG_IOTHREAD | |
3478 | static int qemu_init_main_loop(void) | |
3479 | { | |
3480 | return qemu_event_init(); | |
3481 | } | |
3482 | ||
3483 | void qemu_init_vcpu(void *_env) | |
3484 | { | |
3485 | CPUState *env = _env; | |
3486 | ||
3487 | env->nr_cores = smp_cores; | |
3488 | env->nr_threads = smp_threads; | |
3489 | if (kvm_enabled()) | |
3490 | kvm_init_vcpu(env); | |
3491 | return; | |
3492 | } | |
3493 | ||
3494 | int qemu_cpu_self(void *env) | |
3495 | { | |
3496 | return 1; | |
3497 | } | |
3498 | ||
3499 | static void resume_all_vcpus(void) | |
3500 | { | |
3501 | } | |
3502 | ||
3503 | static void pause_all_vcpus(void) | |
3504 | { | |
3505 | } | |
3506 | ||
3507 | void qemu_cpu_kick(void *env) | |
3508 | { | |
3509 | return; | |
3510 | } | |
3511 | ||
3512 | void qemu_notify_event(void) | |
3513 | { | |
3514 | CPUState *env = cpu_single_env; | |
3515 | ||
3516 | if (env) { | |
3517 | cpu_exit(env); | |
3518 | } | |
3519 | } | |
3520 | ||
3521 | void qemu_mutex_lock_iothread(void) {} | |
3522 | void qemu_mutex_unlock_iothread(void) {} | |
3523 | ||
3524 | void vm_stop(int reason) | |
3525 | { | |
3526 | do_vm_stop(reason); | |
3527 | } | |
3528 | ||
3529 | #else /* CONFIG_IOTHREAD */ | |
3530 | ||
3531 | #include "qemu-thread.h" | |
3532 | ||
3533 | QemuMutex qemu_global_mutex; | |
3534 | static QemuMutex qemu_fair_mutex; | |
3535 | ||
3536 | static QemuThread io_thread; | |
3537 | ||
3538 | static QemuThread *tcg_cpu_thread; | |
3539 | static QemuCond *tcg_halt_cond; | |
3540 | ||
3541 | static int qemu_system_ready; | |
3542 | /* cpu creation */ | |
3543 | static QemuCond qemu_cpu_cond; | |
3544 | /* system init */ | |
3545 | static QemuCond qemu_system_cond; | |
3546 | static QemuCond qemu_pause_cond; | |
3547 | ||
3548 | static void block_io_signals(void); | |
3549 | static void unblock_io_signals(void); | |
3550 | static int tcg_has_work(void); | |
3551 | ||
3552 | static int qemu_init_main_loop(void) | |
3553 | { | |
3554 | int ret; | |
3555 | ||
3556 | ret = qemu_event_init(); | |
3557 | if (ret) | |
3558 | return ret; | |
3559 | ||
3560 | qemu_cond_init(&qemu_pause_cond); | |
3561 | qemu_mutex_init(&qemu_fair_mutex); | |
3562 | qemu_mutex_init(&qemu_global_mutex); | |
3563 | qemu_mutex_lock(&qemu_global_mutex); | |
3564 | ||
3565 | unblock_io_signals(); | |
3566 | qemu_thread_self(&io_thread); | |
3567 | ||
3568 | return 0; | |
3569 | } | |
3570 | ||
3571 | static void qemu_wait_io_event(CPUState *env) | |
3572 | { | |
3573 | while (!tcg_has_work()) | |
3574 | qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000); | |
3575 | ||
3576 | qemu_mutex_unlock(&qemu_global_mutex); | |
3577 | ||
3578 | /* | |
3579 | * Users of qemu_global_mutex can be starved, having no chance | |
3580 | * to acquire it since this path will get to it first. | |
3581 | * So use another lock to provide fairness. | |
3582 | */ | |
3583 | qemu_mutex_lock(&qemu_fair_mutex); | |
3584 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3585 | ||
3586 | qemu_mutex_lock(&qemu_global_mutex); | |
3587 | if (env->stop) { | |
3588 | env->stop = 0; | |
3589 | env->stopped = 1; | |
3590 | qemu_cond_signal(&qemu_pause_cond); | |
3591 | } | |
3592 | } | |
3593 | ||
3594 | static int qemu_cpu_exec(CPUState *env); | |
3595 | ||
3596 | static void *kvm_cpu_thread_fn(void *arg) | |
3597 | { | |
3598 | CPUState *env = arg; | |
3599 | ||
3600 | block_io_signals(); | |
3601 | qemu_thread_self(env->thread); | |
3602 | if (kvm_enabled()) | |
3603 | kvm_init_vcpu(env); | |
3604 | ||
3605 | /* signal CPU creation */ | |
3606 | qemu_mutex_lock(&qemu_global_mutex); | |
3607 | env->created = 1; | |
3608 | qemu_cond_signal(&qemu_cpu_cond); | |
3609 | ||
3610 | /* and wait for machine initialization */ | |
3611 | while (!qemu_system_ready) | |
3612 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3613 | ||
3614 | while (1) { | |
3615 | if (cpu_can_run(env)) | |
3616 | qemu_cpu_exec(env); | |
3617 | qemu_wait_io_event(env); | |
3618 | } | |
3619 | ||
3620 | return NULL; | |
3621 | } | |
3622 | ||
3623 | static void tcg_cpu_exec(void); | |
3624 | ||
3625 | static void *tcg_cpu_thread_fn(void *arg) | |
3626 | { | |
3627 | CPUState *env = arg; | |
3628 | ||
3629 | block_io_signals(); | |
3630 | qemu_thread_self(env->thread); | |
3631 | ||
3632 | /* signal CPU creation */ | |
3633 | qemu_mutex_lock(&qemu_global_mutex); | |
3634 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
3635 | env->created = 1; | |
3636 | qemu_cond_signal(&qemu_cpu_cond); | |
3637 | ||
3638 | /* and wait for machine initialization */ | |
3639 | while (!qemu_system_ready) | |
3640 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3641 | ||
3642 | while (1) { | |
3643 | tcg_cpu_exec(); | |
3644 | qemu_wait_io_event(cur_cpu); | |
3645 | } | |
3646 | ||
3647 | return NULL; | |
3648 | } | |
3649 | ||
3650 | void qemu_cpu_kick(void *_env) | |
3651 | { | |
3652 | CPUState *env = _env; | |
3653 | qemu_cond_broadcast(env->halt_cond); | |
3654 | if (kvm_enabled()) | |
3655 | qemu_thread_signal(env->thread, SIGUSR1); | |
3656 | } | |
3657 | ||
3658 | int qemu_cpu_self(void *_env) | |
3659 | { | |
3660 | CPUState *env = _env; | |
3661 | QemuThread this; | |
3662 | ||
3663 | qemu_thread_self(&this); | |
3664 | ||
3665 | return qemu_thread_equal(&this, env->thread); | |
3666 | } | |
3667 | ||
3668 | static void cpu_signal(int sig) | |
3669 | { | |
3670 | if (cpu_single_env) | |
3671 | cpu_exit(cpu_single_env); | |
3672 | } | |
3673 | ||
3674 | static void block_io_signals(void) | |
3675 | { | |
3676 | sigset_t set; | |
3677 | struct sigaction sigact; | |
3678 | ||
3679 | sigemptyset(&set); | |
3680 | sigaddset(&set, SIGUSR2); | |
3681 | sigaddset(&set, SIGIO); | |
3682 | sigaddset(&set, SIGALRM); | |
3683 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3684 | ||
3685 | sigemptyset(&set); | |
3686 | sigaddset(&set, SIGUSR1); | |
3687 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3688 | ||
3689 | memset(&sigact, 0, sizeof(sigact)); | |
3690 | sigact.sa_handler = cpu_signal; | |
3691 | sigaction(SIGUSR1, &sigact, NULL); | |
3692 | } | |
3693 | ||
3694 | static void unblock_io_signals(void) | |
3695 | { | |
3696 | sigset_t set; | |
3697 | ||
3698 | sigemptyset(&set); | |
3699 | sigaddset(&set, SIGUSR2); | |
3700 | sigaddset(&set, SIGIO); | |
3701 | sigaddset(&set, SIGALRM); | |
3702 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3703 | ||
3704 | sigemptyset(&set); | |
3705 | sigaddset(&set, SIGUSR1); | |
3706 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3707 | } | |
3708 | ||
3709 | static void qemu_signal_lock(unsigned int msecs) | |
3710 | { | |
3711 | qemu_mutex_lock(&qemu_fair_mutex); | |
3712 | ||
3713 | while (qemu_mutex_trylock(&qemu_global_mutex)) { | |
3714 | qemu_thread_signal(tcg_cpu_thread, SIGUSR1); | |
3715 | if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs)) | |
3716 | break; | |
3717 | } | |
3718 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3719 | } | |
3720 | ||
3721 | void qemu_mutex_lock_iothread(void) | |
3722 | { | |
3723 | if (kvm_enabled()) { | |
3724 | qemu_mutex_lock(&qemu_fair_mutex); | |
3725 | qemu_mutex_lock(&qemu_global_mutex); | |
3726 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3727 | } else | |
3728 | qemu_signal_lock(100); | |
3729 | } | |
3730 | ||
3731 | void qemu_mutex_unlock_iothread(void) | |
3732 | { | |
3733 | qemu_mutex_unlock(&qemu_global_mutex); | |
3734 | } | |
3735 | ||
3736 | static int all_vcpus_paused(void) | |
3737 | { | |
3738 | CPUState *penv = first_cpu; | |
3739 | ||
3740 | while (penv) { | |
3741 | if (!penv->stopped) | |
3742 | return 0; | |
3743 | penv = (CPUState *)penv->next_cpu; | |
3744 | } | |
3745 | ||
3746 | return 1; | |
3747 | } | |
3748 | ||
3749 | static void pause_all_vcpus(void) | |
3750 | { | |
3751 | CPUState *penv = first_cpu; | |
3752 | ||
3753 | while (penv) { | |
3754 | penv->stop = 1; | |
3755 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3756 | qemu_cpu_kick(penv); | |
3757 | penv = (CPUState *)penv->next_cpu; | |
3758 | } | |
3759 | ||
3760 | while (!all_vcpus_paused()) { | |
3761 | qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100); | |
3762 | penv = first_cpu; | |
3763 | while (penv) { | |
3764 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3765 | penv = (CPUState *)penv->next_cpu; | |
3766 | } | |
3767 | } | |
3768 | } | |
3769 | ||
3770 | static void resume_all_vcpus(void) | |
3771 | { | |
3772 | CPUState *penv = first_cpu; | |
3773 | ||
3774 | while (penv) { | |
3775 | penv->stop = 0; | |
3776 | penv->stopped = 0; | |
3777 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3778 | qemu_cpu_kick(penv); | |
3779 | penv = (CPUState *)penv->next_cpu; | |
3780 | } | |
3781 | } | |
3782 | ||
3783 | static void tcg_init_vcpu(void *_env) | |
3784 | { | |
3785 | CPUState *env = _env; | |
3786 | /* share a single thread for all cpus with TCG */ | |
3787 | if (!tcg_cpu_thread) { | |
3788 | env->thread = qemu_mallocz(sizeof(QemuThread)); | |
3789 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
3790 | qemu_cond_init(env->halt_cond); | |
3791 | qemu_thread_create(env->thread, tcg_cpu_thread_fn, env); | |
3792 | while (env->created == 0) | |
3793 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
3794 | tcg_cpu_thread = env->thread; | |
3795 | tcg_halt_cond = env->halt_cond; | |
3796 | } else { | |
3797 | env->thread = tcg_cpu_thread; | |
3798 | env->halt_cond = tcg_halt_cond; | |
3799 | } | |
3800 | } | |
3801 | ||
3802 | static void kvm_start_vcpu(CPUState *env) | |
3803 | { | |
3804 | env->thread = qemu_mallocz(sizeof(QemuThread)); | |
3805 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
3806 | qemu_cond_init(env->halt_cond); | |
3807 | qemu_thread_create(env->thread, kvm_cpu_thread_fn, env); | |
3808 | while (env->created == 0) | |
3809 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
3810 | } | |
3811 | ||
3812 | void qemu_init_vcpu(void *_env) | |
3813 | { | |
3814 | CPUState *env = _env; | |
3815 | ||
3816 | env->nr_cores = smp_cores; | |
3817 | env->nr_threads = smp_threads; | |
3818 | if (kvm_enabled()) | |
3819 | kvm_start_vcpu(env); | |
3820 | else | |
3821 | tcg_init_vcpu(env); | |
3822 | } | |
3823 | ||
3824 | void qemu_notify_event(void) | |
3825 | { | |
3826 | qemu_event_increment(); | |
3827 | } | |
3828 | ||
3829 | void vm_stop(int reason) | |
3830 | { | |
3831 | QemuThread me; | |
3832 | qemu_thread_self(&me); | |
3833 | ||
3834 | if (!qemu_thread_equal(&me, &io_thread)) { | |
3835 | qemu_system_vmstop_request(reason); | |
3836 | /* | |
3837 | * FIXME: should not return to device code in case | |
3838 | * vm_stop() has been requested. | |
3839 | */ | |
3840 | if (cpu_single_env) { | |
3841 | cpu_exit(cpu_single_env); | |
3842 | cpu_single_env->stop = 1; | |
3843 | } | |
3844 | return; | |
3845 | } | |
3846 | do_vm_stop(reason); | |
3847 | } | |
3848 | ||
3849 | #endif | |
3850 | ||
3851 | ||
3852 | #ifdef _WIN32 | |
3853 | static void host_main_loop_wait(int *timeout) | |
3854 | { | |
3855 | int ret, ret2, i; | |
3856 | PollingEntry *pe; | |
3857 | ||
3858 | ||
3859 | /* XXX: need to suppress polling by better using win32 events */ | |
3860 | ret = 0; | |
3861 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { | |
3862 | ret |= pe->func(pe->opaque); | |
3863 | } | |
3864 | if (ret == 0) { | |
3865 | int err; | |
3866 | WaitObjects *w = &wait_objects; | |
3867 | ||
3868 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); | |
3869 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { | |
3870 | if (w->func[ret - WAIT_OBJECT_0]) | |
3871 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); | |
3872 | ||
3873 | /* Check for additional signaled events */ | |
3874 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { | |
3875 | ||
3876 | /* Check if event is signaled */ | |
3877 | ret2 = WaitForSingleObject(w->events[i], 0); | |
3878 | if(ret2 == WAIT_OBJECT_0) { | |
3879 | if (w->func[i]) | |
3880 | w->func[i](w->opaque[i]); | |
3881 | } else if (ret2 == WAIT_TIMEOUT) { | |
3882 | } else { | |
3883 | err = GetLastError(); | |
3884 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); | |
3885 | } | |
3886 | } | |
3887 | } else if (ret == WAIT_TIMEOUT) { | |
3888 | } else { | |
3889 | err = GetLastError(); | |
3890 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); | |
3891 | } | |
3892 | } | |
3893 | ||
3894 | *timeout = 0; | |
3895 | } | |
3896 | #else | |
3897 | static void host_main_loop_wait(int *timeout) | |
3898 | { | |
3899 | } | |
3900 | #endif | |
3901 | ||
3902 | void main_loop_wait(int timeout) | |
3903 | { | |
3904 | IOHandlerRecord *ioh; | |
3905 | fd_set rfds, wfds, xfds; | |
3906 | int ret, nfds; | |
3907 | struct timeval tv; | |
3908 | ||
3909 | qemu_bh_update_timeout(&timeout); | |
3910 | ||
3911 | host_main_loop_wait(&timeout); | |
3912 | ||
3913 | /* poll any events */ | |
3914 | /* XXX: separate device handlers from system ones */ | |
3915 | nfds = -1; | |
3916 | FD_ZERO(&rfds); | |
3917 | FD_ZERO(&wfds); | |
3918 | FD_ZERO(&xfds); | |
3919 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
3920 | if (ioh->deleted) | |
3921 | continue; | |
3922 | if (ioh->fd_read && | |
3923 | (!ioh->fd_read_poll || | |
3924 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
3925 | FD_SET(ioh->fd, &rfds); | |
3926 | if (ioh->fd > nfds) | |
3927 | nfds = ioh->fd; | |
3928 | } | |
3929 | if (ioh->fd_write) { | |
3930 | FD_SET(ioh->fd, &wfds); | |
3931 | if (ioh->fd > nfds) | |
3932 | nfds = ioh->fd; | |
3933 | } | |
3934 | } | |
3935 | ||
3936 | tv.tv_sec = timeout / 1000; | |
3937 | tv.tv_usec = (timeout % 1000) * 1000; | |
3938 | ||
3939 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
3940 | ||
3941 | qemu_mutex_unlock_iothread(); | |
3942 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
3943 | qemu_mutex_lock_iothread(); | |
3944 | if (ret > 0) { | |
3945 | IOHandlerRecord **pioh; | |
3946 | ||
3947 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
3948 | if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { | |
3949 | ioh->fd_read(ioh->opaque); | |
3950 | } | |
3951 | if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { | |
3952 | ioh->fd_write(ioh->opaque); | |
3953 | } | |
3954 | } | |
3955 | ||
3956 | /* remove deleted IO handlers */ | |
3957 | pioh = &first_io_handler; | |
3958 | while (*pioh) { | |
3959 | ioh = *pioh; | |
3960 | if (ioh->deleted) { | |
3961 | *pioh = ioh->next; | |
3962 | qemu_free(ioh); | |
3963 | } else | |
3964 | pioh = &ioh->next; | |
3965 | } | |
3966 | } | |
3967 | ||
3968 | slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0)); | |
3969 | ||
3970 | /* rearm timer, if not periodic */ | |
3971 | if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { | |
3972 | alarm_timer->flags &= ~ALARM_FLAG_EXPIRED; | |
3973 | qemu_rearm_alarm_timer(alarm_timer); | |
3974 | } | |
3975 | ||
3976 | /* vm time timers */ | |
3977 | if (vm_running) { | |
3978 | if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) | |
3979 | qemu_run_timers(&active_timers[QEMU_CLOCK_VIRTUAL], | |
3980 | qemu_get_clock(vm_clock)); | |
3981 | } | |
3982 | ||
3983 | /* real time timers */ | |
3984 | qemu_run_timers(&active_timers[QEMU_CLOCK_REALTIME], | |
3985 | qemu_get_clock(rt_clock)); | |
3986 | ||
3987 | qemu_run_timers(&active_timers[QEMU_CLOCK_HOST], | |
3988 | qemu_get_clock(host_clock)); | |
3989 | ||
3990 | /* Check bottom-halves last in case any of the earlier events triggered | |
3991 | them. */ | |
3992 | qemu_bh_poll(); | |
3993 | ||
3994 | } | |
3995 | ||
3996 | static int qemu_cpu_exec(CPUState *env) | |
3997 | { | |
3998 | int ret; | |
3999 | #ifdef CONFIG_PROFILER | |
4000 | int64_t ti; | |
4001 | #endif | |
4002 | ||
4003 | #ifdef CONFIG_PROFILER | |
4004 | ti = profile_getclock(); | |
4005 | #endif | |
4006 | if (use_icount) { | |
4007 | int64_t count; | |
4008 | int decr; | |
4009 | qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); | |
4010 | env->icount_decr.u16.low = 0; | |
4011 | env->icount_extra = 0; | |
4012 | count = qemu_next_deadline(); | |
4013 | count = (count + (1 << icount_time_shift) - 1) | |
4014 | >> icount_time_shift; | |
4015 | qemu_icount += count; | |
4016 | decr = (count > 0xffff) ? 0xffff : count; | |
4017 | count -= decr; | |
4018 | env->icount_decr.u16.low = decr; | |
4019 | env->icount_extra = count; | |
4020 | } | |
4021 | ret = cpu_exec(env); | |
4022 | #ifdef CONFIG_PROFILER | |
4023 | qemu_time += profile_getclock() - ti; | |
4024 | #endif | |
4025 | if (use_icount) { | |
4026 | /* Fold pending instructions back into the | |
4027 | instruction counter, and clear the interrupt flag. */ | |
4028 | qemu_icount -= (env->icount_decr.u16.low | |
4029 | + env->icount_extra); | |
4030 | env->icount_decr.u32 = 0; | |
4031 | env->icount_extra = 0; | |
4032 | } | |
4033 | return ret; | |
4034 | } | |
4035 | ||
4036 | static void tcg_cpu_exec(void) | |
4037 | { | |
4038 | int ret = 0; | |
4039 | ||
4040 | if (next_cpu == NULL) | |
4041 | next_cpu = first_cpu; | |
4042 | for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { | |
4043 | CPUState *env = cur_cpu = next_cpu; | |
4044 | ||
4045 | if (!vm_running) | |
4046 | break; | |
4047 | if (timer_alarm_pending) { | |
4048 | timer_alarm_pending = 0; | |
4049 | break; | |
4050 | } | |
4051 | if (cpu_can_run(env)) | |
4052 | ret = qemu_cpu_exec(env); | |
4053 | if (ret == EXCP_DEBUG) { | |
4054 | gdb_set_stop_cpu(env); | |
4055 | debug_requested = 1; | |
4056 | break; | |
4057 | } | |
4058 | } | |
4059 | } | |
4060 | ||
4061 | static int cpu_has_work(CPUState *env) | |
4062 | { | |
4063 | if (env->stop) | |
4064 | return 1; | |
4065 | if (env->stopped) | |
4066 | return 0; | |
4067 | if (!env->halted) | |
4068 | return 1; | |
4069 | if (qemu_cpu_has_work(env)) | |
4070 | return 1; | |
4071 | return 0; | |
4072 | } | |
4073 | ||
4074 | static int tcg_has_work(void) | |
4075 | { | |
4076 | CPUState *env; | |
4077 | ||
4078 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
4079 | if (cpu_has_work(env)) | |
4080 | return 1; | |
4081 | return 0; | |
4082 | } | |
4083 | ||
4084 | static int qemu_calculate_timeout(void) | |
4085 | { | |
4086 | #ifndef CONFIG_IOTHREAD | |
4087 | int timeout; | |
4088 | ||
4089 | if (!vm_running) | |
4090 | timeout = 5000; | |
4091 | else if (tcg_has_work()) | |
4092 | timeout = 0; | |
4093 | else if (!use_icount) | |
4094 | timeout = 5000; | |
4095 | else { | |
4096 | /* XXX: use timeout computed from timers */ | |
4097 | int64_t add; | |
4098 | int64_t delta; | |
4099 | /* Advance virtual time to the next event. */ | |
4100 | if (use_icount == 1) { | |
4101 | /* When not using an adaptive execution frequency | |
4102 | we tend to get badly out of sync with real time, | |
4103 | so just delay for a reasonable amount of time. */ | |
4104 | delta = 0; | |
4105 | } else { | |
4106 | delta = cpu_get_icount() - cpu_get_clock(); | |
4107 | } | |
4108 | if (delta > 0) { | |
4109 | /* If virtual time is ahead of real time then just | |
4110 | wait for IO. */ | |
4111 | timeout = (delta / 1000000) + 1; | |
4112 | } else { | |
4113 | /* Wait for either IO to occur or the next | |
4114 | timer event. */ | |
4115 | add = qemu_next_deadline(); | |
4116 | /* We advance the timer before checking for IO. | |
4117 | Limit the amount we advance so that early IO | |
4118 | activity won't get the guest too far ahead. */ | |
4119 | if (add > 10000000) | |
4120 | add = 10000000; | |
4121 | delta += add; | |
4122 | add = (add + (1 << icount_time_shift) - 1) | |
4123 | >> icount_time_shift; | |
4124 | qemu_icount += add; | |
4125 | timeout = delta / 1000000; | |
4126 | if (timeout < 0) | |
4127 | timeout = 0; | |
4128 | } | |
4129 | } | |
4130 | ||
4131 | return timeout; | |
4132 | #else /* CONFIG_IOTHREAD */ | |
4133 | return 1000; | |
4134 | #endif | |
4135 | } | |
4136 | ||
4137 | static int vm_can_run(void) | |
4138 | { | |
4139 | if (powerdown_requested) | |
4140 | return 0; | |
4141 | if (reset_requested) | |
4142 | return 0; | |
4143 | if (shutdown_requested) | |
4144 | return 0; | |
4145 | if (debug_requested) | |
4146 | return 0; | |
4147 | return 1; | |
4148 | } | |
4149 | ||
4150 | qemu_irq qemu_system_powerdown; | |
4151 | ||
4152 | static void main_loop(void) | |
4153 | { | |
4154 | int r; | |
4155 | ||
4156 | #ifdef CONFIG_IOTHREAD | |
4157 | qemu_system_ready = 1; | |
4158 | qemu_cond_broadcast(&qemu_system_cond); | |
4159 | #endif | |
4160 | ||
4161 | for (;;) { | |
4162 | do { | |
4163 | #ifdef CONFIG_PROFILER | |
4164 | int64_t ti; | |
4165 | #endif | |
4166 | #ifndef CONFIG_IOTHREAD | |
4167 | tcg_cpu_exec(); | |
4168 | #endif | |
4169 | #ifdef CONFIG_PROFILER | |
4170 | ti = profile_getclock(); | |
4171 | #endif | |
4172 | main_loop_wait(qemu_calculate_timeout()); | |
4173 | #ifdef CONFIG_PROFILER | |
4174 | dev_time += profile_getclock() - ti; | |
4175 | #endif | |
4176 | } while (vm_can_run()); | |
4177 | ||
4178 | if (qemu_debug_requested()) { | |
4179 | monitor_protocol_event(QEVENT_DEBUG, NULL); | |
4180 | vm_stop(EXCP_DEBUG); | |
4181 | } | |
4182 | if (qemu_shutdown_requested()) { | |
4183 | monitor_protocol_event(QEVENT_SHUTDOWN, NULL); | |
4184 | if (no_shutdown) { | |
4185 | vm_stop(0); | |
4186 | no_shutdown = 0; | |
4187 | } else | |
4188 | break; | |
4189 | } | |
4190 | if (qemu_reset_requested()) { | |
4191 | monitor_protocol_event(QEVENT_RESET, NULL); | |
4192 | pause_all_vcpus(); | |
4193 | qemu_system_reset(); | |
4194 | resume_all_vcpus(); | |
4195 | } | |
4196 | if (qemu_powerdown_requested()) { | |
4197 | monitor_protocol_event(QEVENT_POWERDOWN, NULL); | |
4198 | qemu_irq_raise(qemu_system_powerdown); | |
4199 | } | |
4200 | if ((r = qemu_vmstop_requested())) { | |
4201 | monitor_protocol_event(QEVENT_STOP, NULL); | |
4202 | vm_stop(r); | |
4203 | } | |
4204 | } | |
4205 | pause_all_vcpus(); | |
4206 | } | |
4207 | ||
4208 | static void version(void) | |
4209 | { | |
4210 | printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); | |
4211 | } | |
4212 | ||
4213 | static void help(int exitcode) | |
4214 | { | |
4215 | version(); | |
4216 | printf("usage: %s [options] [disk_image]\n" | |
4217 | "\n" | |
4218 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" | |
4219 | "\n" | |
4220 | #define DEF(option, opt_arg, opt_enum, opt_help) \ | |
4221 | opt_help | |
4222 | #define DEFHEADING(text) stringify(text) "\n" | |
4223 | #include "qemu-options.h" | |
4224 | #undef DEF | |
4225 | #undef DEFHEADING | |
4226 | #undef GEN_DOCS | |
4227 | "\n" | |
4228 | "During emulation, the following keys are useful:\n" | |
4229 | "ctrl-alt-f toggle full screen\n" | |
4230 | "ctrl-alt-n switch to virtual console 'n'\n" | |
4231 | "ctrl-alt toggle mouse and keyboard grab\n" | |
4232 | "\n" | |
4233 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
4234 | , | |
4235 | "qemu", | |
4236 | DEFAULT_RAM_SIZE, | |
4237 | #ifndef _WIN32 | |
4238 | DEFAULT_NETWORK_SCRIPT, | |
4239 | DEFAULT_NETWORK_DOWN_SCRIPT, | |
4240 | #endif | |
4241 | DEFAULT_GDBSTUB_PORT, | |
4242 | "/tmp/qemu.log"); | |
4243 | exit(exitcode); | |
4244 | } | |
4245 | ||
4246 | #define HAS_ARG 0x0001 | |
4247 | ||
4248 | enum { | |
4249 | #define DEF(option, opt_arg, opt_enum, opt_help) \ | |
4250 | opt_enum, | |
4251 | #define DEFHEADING(text) | |
4252 | #include "qemu-options.h" | |
4253 | #undef DEF | |
4254 | #undef DEFHEADING | |
4255 | #undef GEN_DOCS | |
4256 | }; | |
4257 | ||
4258 | typedef struct QEMUOption { | |
4259 | const char *name; | |
4260 | int flags; | |
4261 | int index; | |
4262 | } QEMUOption; | |
4263 | ||
4264 | static const QEMUOption qemu_options[] = { | |
4265 | { "h", 0, QEMU_OPTION_h }, | |
4266 | #define DEF(option, opt_arg, opt_enum, opt_help) \ | |
4267 | { option, opt_arg, opt_enum }, | |
4268 | #define DEFHEADING(text) | |
4269 | #include "qemu-options.h" | |
4270 | #undef DEF | |
4271 | #undef DEFHEADING | |
4272 | #undef GEN_DOCS | |
4273 | { NULL }, | |
4274 | }; | |
4275 | ||
4276 | #ifdef HAS_AUDIO | |
4277 | struct soundhw soundhw[] = { | |
4278 | #ifdef HAS_AUDIO_CHOICE | |
4279 | #if defined(TARGET_I386) || defined(TARGET_MIPS) | |
4280 | { | |
4281 | "pcspk", | |
4282 | "PC speaker", | |
4283 | 0, | |
4284 | 1, | |
4285 | { .init_isa = pcspk_audio_init } | |
4286 | }, | |
4287 | #endif | |
4288 | ||
4289 | #ifdef CONFIG_SB16 | |
4290 | { | |
4291 | "sb16", | |
4292 | "Creative Sound Blaster 16", | |
4293 | 0, | |
4294 | 1, | |
4295 | { .init_isa = SB16_init } | |
4296 | }, | |
4297 | #endif | |
4298 | ||
4299 | #ifdef CONFIG_CS4231A | |
4300 | { | |
4301 | "cs4231a", | |
4302 | "CS4231A", | |
4303 | 0, | |
4304 | 1, | |
4305 | { .init_isa = cs4231a_init } | |
4306 | }, | |
4307 | #endif | |
4308 | ||
4309 | #ifdef CONFIG_ADLIB | |
4310 | { | |
4311 | "adlib", | |
4312 | #ifdef HAS_YMF262 | |
4313 | "Yamaha YMF262 (OPL3)", | |
4314 | #else | |
4315 | "Yamaha YM3812 (OPL2)", | |
4316 | #endif | |
4317 | 0, | |
4318 | 1, | |
4319 | { .init_isa = Adlib_init } | |
4320 | }, | |
4321 | #endif | |
4322 | ||
4323 | #ifdef CONFIG_GUS | |
4324 | { | |
4325 | "gus", | |
4326 | "Gravis Ultrasound GF1", | |
4327 | 0, | |
4328 | 1, | |
4329 | { .init_isa = GUS_init } | |
4330 | }, | |
4331 | #endif | |
4332 | ||
4333 | #ifdef CONFIG_AC97 | |
4334 | { | |
4335 | "ac97", | |
4336 | "Intel 82801AA AC97 Audio", | |
4337 | 0, | |
4338 | 0, | |
4339 | { .init_pci = ac97_init } | |
4340 | }, | |
4341 | #endif | |
4342 | ||
4343 | #ifdef CONFIG_ES1370 | |
4344 | { | |
4345 | "es1370", | |
4346 | "ENSONIQ AudioPCI ES1370", | |
4347 | 0, | |
4348 | 0, | |
4349 | { .init_pci = es1370_init } | |
4350 | }, | |
4351 | #endif | |
4352 | ||
4353 | #endif /* HAS_AUDIO_CHOICE */ | |
4354 | ||
4355 | { NULL, NULL, 0, 0, { NULL } } | |
4356 | }; | |
4357 | ||
4358 | static void select_soundhw (const char *optarg) | |
4359 | { | |
4360 | struct soundhw *c; | |
4361 | ||
4362 | if (*optarg == '?') { | |
4363 | show_valid_cards: | |
4364 | ||
4365 | printf ("Valid sound card names (comma separated):\n"); | |
4366 | for (c = soundhw; c->name; ++c) { | |
4367 | printf ("%-11s %s\n", c->name, c->descr); | |
4368 | } | |
4369 | printf ("\n-soundhw all will enable all of the above\n"); | |
4370 | exit (*optarg != '?'); | |
4371 | } | |
4372 | else { | |
4373 | size_t l; | |
4374 | const char *p; | |
4375 | char *e; | |
4376 | int bad_card = 0; | |
4377 | ||
4378 | if (!strcmp (optarg, "all")) { | |
4379 | for (c = soundhw; c->name; ++c) { | |
4380 | c->enabled = 1; | |
4381 | } | |
4382 | return; | |
4383 | } | |
4384 | ||
4385 | p = optarg; | |
4386 | while (*p) { | |
4387 | e = strchr (p, ','); | |
4388 | l = !e ? strlen (p) : (size_t) (e - p); | |
4389 | ||
4390 | for (c = soundhw; c->name; ++c) { | |
4391 | if (!strncmp (c->name, p, l) && !c->name[l]) { | |
4392 | c->enabled = 1; | |
4393 | break; | |
4394 | } | |
4395 | } | |
4396 | ||
4397 | if (!c->name) { | |
4398 | if (l > 80) { | |
4399 | fprintf (stderr, | |
4400 | "Unknown sound card name (too big to show)\n"); | |
4401 | } | |
4402 | else { | |
4403 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
4404 | (int) l, p); | |
4405 | } | |
4406 | bad_card = 1; | |
4407 | } | |
4408 | p += l + (e != NULL); | |
4409 | } | |
4410 | ||
4411 | if (bad_card) | |
4412 | goto show_valid_cards; | |
4413 | } | |
4414 | } | |
4415 | #endif | |
4416 | ||
4417 | static void select_vgahw (const char *p) | |
4418 | { | |
4419 | const char *opts; | |
4420 | ||
4421 | default_vga = 0; | |
4422 | vga_interface_type = VGA_NONE; | |
4423 | if (strstart(p, "std", &opts)) { | |
4424 | vga_interface_type = VGA_STD; | |
4425 | } else if (strstart(p, "cirrus", &opts)) { | |
4426 | vga_interface_type = VGA_CIRRUS; | |
4427 | } else if (strstart(p, "vmware", &opts)) { | |
4428 | vga_interface_type = VGA_VMWARE; | |
4429 | } else if (strstart(p, "xenfb", &opts)) { | |
4430 | vga_interface_type = VGA_XENFB; | |
4431 | } else if (!strstart(p, "none", &opts)) { | |
4432 | invalid_vga: | |
4433 | fprintf(stderr, "Unknown vga type: %s\n", p); | |
4434 | exit(1); | |
4435 | } | |
4436 | while (*opts) { | |
4437 | const char *nextopt; | |
4438 | ||
4439 | if (strstart(opts, ",retrace=", &nextopt)) { | |
4440 | opts = nextopt; | |
4441 | if (strstart(opts, "dumb", &nextopt)) | |
4442 | vga_retrace_method = VGA_RETRACE_DUMB; | |
4443 | else if (strstart(opts, "precise", &nextopt)) | |
4444 | vga_retrace_method = VGA_RETRACE_PRECISE; | |
4445 | else goto invalid_vga; | |
4446 | } else goto invalid_vga; | |
4447 | opts = nextopt; | |
4448 | } | |
4449 | } | |
4450 | ||
4451 | #ifdef TARGET_I386 | |
4452 | static int balloon_parse(const char *arg) | |
4453 | { | |
4454 | QemuOpts *opts; | |
4455 | ||
4456 | if (strcmp(arg, "none") == 0) { | |
4457 | return 0; | |
4458 | } | |
4459 | ||
4460 | if (!strncmp(arg, "virtio", 6)) { | |
4461 | if (arg[6] == ',') { | |
4462 | /* have params -> parse them */ | |
4463 | opts = qemu_opts_parse(&qemu_device_opts, arg+7, NULL); | |
4464 | if (!opts) | |
4465 | return -1; | |
4466 | } else { | |
4467 | /* create empty opts */ | |
4468 | opts = qemu_opts_create(&qemu_device_opts, NULL, 0); | |
4469 | } | |
4470 | qemu_opt_set(opts, "driver", "virtio-balloon-pci"); | |
4471 | return 0; | |
4472 | } | |
4473 | ||
4474 | return -1; | |
4475 | } | |
4476 | #endif | |
4477 | ||
4478 | #ifdef _WIN32 | |
4479 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
4480 | { | |
4481 | exit(STATUS_CONTROL_C_EXIT); | |
4482 | return TRUE; | |
4483 | } | |
4484 | #endif | |
4485 | ||
4486 | int qemu_uuid_parse(const char *str, uint8_t *uuid) | |
4487 | { | |
4488 | int ret; | |
4489 | ||
4490 | if(strlen(str) != 36) | |
4491 | return -1; | |
4492 | ||
4493 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
4494 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
4495 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); | |
4496 | ||
4497 | if(ret != 16) | |
4498 | return -1; | |
4499 | ||
4500 | #ifdef TARGET_I386 | |
4501 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); | |
4502 | #endif | |
4503 | ||
4504 | return 0; | |
4505 | } | |
4506 | ||
4507 | #ifndef _WIN32 | |
4508 | ||
4509 | static void termsig_handler(int signal) | |
4510 | { | |
4511 | qemu_system_shutdown_request(); | |
4512 | } | |
4513 | ||
4514 | static void sigchld_handler(int signal) | |
4515 | { | |
4516 | waitpid(-1, NULL, WNOHANG); | |
4517 | } | |
4518 | ||
4519 | static void sighandler_setup(void) | |
4520 | { | |
4521 | struct sigaction act; | |
4522 | ||
4523 | memset(&act, 0, sizeof(act)); | |
4524 | act.sa_handler = termsig_handler; | |
4525 | sigaction(SIGINT, &act, NULL); | |
4526 | sigaction(SIGHUP, &act, NULL); | |
4527 | sigaction(SIGTERM, &act, NULL); | |
4528 | ||
4529 | act.sa_handler = sigchld_handler; | |
4530 | act.sa_flags = SA_NOCLDSTOP; | |
4531 | sigaction(SIGCHLD, &act, NULL); | |
4532 | } | |
4533 | ||
4534 | #endif | |
4535 | ||
4536 | #ifdef _WIN32 | |
4537 | /* Look for support files in the same directory as the executable. */ | |
4538 | static char *find_datadir(const char *argv0) | |
4539 | { | |
4540 | char *p; | |
4541 | char buf[MAX_PATH]; | |
4542 | DWORD len; | |
4543 | ||
4544 | len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); | |
4545 | if (len == 0) { | |
4546 | return NULL; | |
4547 | } | |
4548 | ||
4549 | buf[len] = 0; | |
4550 | p = buf + len - 1; | |
4551 | while (p != buf && *p != '\\') | |
4552 | p--; | |
4553 | *p = 0; | |
4554 | if (access(buf, R_OK) == 0) { | |
4555 | return qemu_strdup(buf); | |
4556 | } | |
4557 | return NULL; | |
4558 | } | |
4559 | #else /* !_WIN32 */ | |
4560 | ||
4561 | /* Find a likely location for support files using the location of the binary. | |
4562 | For installed binaries this will be "$bindir/../share/qemu". When | |
4563 | running from the build tree this will be "$bindir/../pc-bios". */ | |
4564 | #define SHARE_SUFFIX "/share/qemu" | |
4565 | #define BUILD_SUFFIX "/pc-bios" | |
4566 | static char *find_datadir(const char *argv0) | |
4567 | { | |
4568 | char *dir; | |
4569 | char *p = NULL; | |
4570 | char *res; | |
4571 | char buf[PATH_MAX]; | |
4572 | size_t max_len; | |
4573 | ||
4574 | #if defined(__linux__) | |
4575 | { | |
4576 | int len; | |
4577 | len = readlink("/proc/self/exe", buf, sizeof(buf) - 1); | |
4578 | if (len > 0) { | |
4579 | buf[len] = 0; | |
4580 | p = buf; | |
4581 | } | |
4582 | } | |
4583 | #elif defined(__FreeBSD__) | |
4584 | { | |
4585 | int len; | |
4586 | len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1); | |
4587 | if (len > 0) { | |
4588 | buf[len] = 0; | |
4589 | p = buf; | |
4590 | } | |
4591 | } | |
4592 | #endif | |
4593 | /* If we don't have any way of figuring out the actual executable | |
4594 | location then try argv[0]. */ | |
4595 | if (!p) { | |
4596 | p = realpath(argv0, buf); | |
4597 | if (!p) { | |
4598 | return NULL; | |
4599 | } | |
4600 | } | |
4601 | dir = dirname(p); | |
4602 | dir = dirname(dir); | |
4603 | ||
4604 | max_len = strlen(dir) + | |
4605 | MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1; | |
4606 | res = qemu_mallocz(max_len); | |
4607 | snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX); | |
4608 | if (access(res, R_OK)) { | |
4609 | snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX); | |
4610 | if (access(res, R_OK)) { | |
4611 | qemu_free(res); | |
4612 | res = NULL; | |
4613 | } | |
4614 | } | |
4615 | ||
4616 | return res; | |
4617 | } | |
4618 | #undef SHARE_SUFFIX | |
4619 | #undef BUILD_SUFFIX | |
4620 | #endif | |
4621 | ||
4622 | char *qemu_find_file(int type, const char *name) | |
4623 | { | |
4624 | int len; | |
4625 | const char *subdir; | |
4626 | char *buf; | |
4627 | ||
4628 | /* If name contains path separators then try it as a straight path. */ | |
4629 | if ((strchr(name, '/') || strchr(name, '\\')) | |
4630 | && access(name, R_OK) == 0) { | |
4631 | return qemu_strdup(name); | |
4632 | } | |
4633 | switch (type) { | |
4634 | case QEMU_FILE_TYPE_BIOS: | |
4635 | subdir = ""; | |
4636 | break; | |
4637 | case QEMU_FILE_TYPE_KEYMAP: | |
4638 | subdir = "keymaps/"; | |
4639 | break; | |
4640 | default: | |
4641 | abort(); | |
4642 | } | |
4643 | len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2; | |
4644 | buf = qemu_mallocz(len); | |
4645 | snprintf(buf, len, "%s/%s%s", data_dir, subdir, name); | |
4646 | if (access(buf, R_OK)) { | |
4647 | qemu_free(buf); | |
4648 | return NULL; | |
4649 | } | |
4650 | return buf; | |
4651 | } | |
4652 | ||
4653 | static int device_init_func(QemuOpts *opts, void *opaque) | |
4654 | { | |
4655 | DeviceState *dev; | |
4656 | ||
4657 | dev = qdev_device_add(opts); | |
4658 | if (!dev) | |
4659 | return -1; | |
4660 | return 0; | |
4661 | } | |
4662 | ||
4663 | static int chardev_init_func(QemuOpts *opts, void *opaque) | |
4664 | { | |
4665 | CharDriverState *chr; | |
4666 | ||
4667 | chr = qemu_chr_open_opts(opts, NULL); | |
4668 | if (!chr) | |
4669 | return -1; | |
4670 | return 0; | |
4671 | } | |
4672 | ||
4673 | static int mon_init_func(QemuOpts *opts, void *opaque) | |
4674 | { | |
4675 | CharDriverState *chr; | |
4676 | const char *chardev; | |
4677 | const char *mode; | |
4678 | int flags; | |
4679 | ||
4680 | mode = qemu_opt_get(opts, "mode"); | |
4681 | if (mode == NULL) { | |
4682 | mode = "readline"; | |
4683 | } | |
4684 | if (strcmp(mode, "readline") == 0) { | |
4685 | flags = MONITOR_USE_READLINE; | |
4686 | } else if (strcmp(mode, "control") == 0) { | |
4687 | flags = MONITOR_USE_CONTROL; | |
4688 | } else { | |
4689 | fprintf(stderr, "unknown monitor mode \"%s\"\n", mode); | |
4690 | exit(1); | |
4691 | } | |
4692 | ||
4693 | if (qemu_opt_get_bool(opts, "default", 0)) | |
4694 | flags |= MONITOR_IS_DEFAULT; | |
4695 | ||
4696 | chardev = qemu_opt_get(opts, "chardev"); | |
4697 | chr = qemu_chr_find(chardev); | |
4698 | if (chr == NULL) { | |
4699 | fprintf(stderr, "chardev \"%s\" not found\n", chardev); | |
4700 | exit(1); | |
4701 | } | |
4702 | ||
4703 | monitor_init(chr, flags); | |
4704 | return 0; | |
4705 | } | |
4706 | ||
4707 | static void monitor_parse(const char *optarg, const char *mode) | |
4708 | { | |
4709 | static int monitor_device_index = 0; | |
4710 | QemuOpts *opts; | |
4711 | const char *p; | |
4712 | char label[32]; | |
4713 | int def = 0; | |
4714 | ||
4715 | if (strstart(optarg, "chardev:", &p)) { | |
4716 | snprintf(label, sizeof(label), "%s", p); | |
4717 | } else { | |
4718 | if (monitor_device_index) { | |
4719 | snprintf(label, sizeof(label), "monitor%d", | |
4720 | monitor_device_index); | |
4721 | } else { | |
4722 | snprintf(label, sizeof(label), "monitor"); | |
4723 | def = 1; | |
4724 | } | |
4725 | opts = qemu_chr_parse_compat(label, optarg); | |
4726 | if (!opts) { | |
4727 | fprintf(stderr, "parse error: %s\n", optarg); | |
4728 | exit(1); | |
4729 | } | |
4730 | } | |
4731 | ||
4732 | opts = qemu_opts_create(&qemu_mon_opts, label, 1); | |
4733 | if (!opts) { | |
4734 | fprintf(stderr, "duplicate chardev: %s\n", label); | |
4735 | exit(1); | |
4736 | } | |
4737 | qemu_opt_set(opts, "mode", mode); | |
4738 | qemu_opt_set(opts, "chardev", label); | |
4739 | if (def) | |
4740 | qemu_opt_set(opts, "default", "on"); | |
4741 | monitor_device_index++; | |
4742 | } | |
4743 | ||
4744 | struct device_config { | |
4745 | enum { | |
4746 | DEV_USB, /* -usbdevice */ | |
4747 | DEV_BT, /* -bt */ | |
4748 | DEV_SERIAL, /* -serial */ | |
4749 | DEV_PARALLEL, /* -parallel */ | |
4750 | DEV_VIRTCON, /* -virtioconsole */ | |
4751 | } type; | |
4752 | const char *cmdline; | |
4753 | QTAILQ_ENTRY(device_config) next; | |
4754 | }; | |
4755 | QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs); | |
4756 | ||
4757 | static void add_device_config(int type, const char *cmdline) | |
4758 | { | |
4759 | struct device_config *conf; | |
4760 | ||
4761 | conf = qemu_mallocz(sizeof(*conf)); | |
4762 | conf->type = type; | |
4763 | conf->cmdline = cmdline; | |
4764 | QTAILQ_INSERT_TAIL(&device_configs, conf, next); | |
4765 | } | |
4766 | ||
4767 | static int foreach_device_config(int type, int (*func)(const char *cmdline)) | |
4768 | { | |
4769 | struct device_config *conf; | |
4770 | int rc; | |
4771 | ||
4772 | QTAILQ_FOREACH(conf, &device_configs, next) { | |
4773 | if (conf->type != type) | |
4774 | continue; | |
4775 | rc = func(conf->cmdline); | |
4776 | if (0 != rc) | |
4777 | return rc; | |
4778 | } | |
4779 | return 0; | |
4780 | } | |
4781 | ||
4782 | static int serial_parse(const char *devname) | |
4783 | { | |
4784 | static int index = 0; | |
4785 | char label[32]; | |
4786 | ||
4787 | if (strcmp(devname, "none") == 0) | |
4788 | return 0; | |
4789 | if (index == MAX_SERIAL_PORTS) { | |
4790 | fprintf(stderr, "qemu: too many serial ports\n"); | |
4791 | exit(1); | |
4792 | } | |
4793 | snprintf(label, sizeof(label), "serial%d", index); | |
4794 | serial_hds[index] = qemu_chr_open(label, devname, NULL); | |
4795 | if (!serial_hds[index]) { | |
4796 | fprintf(stderr, "qemu: could not open serial device '%s': %s\n", | |
4797 | devname, strerror(errno)); | |
4798 | return -1; | |
4799 | } | |
4800 | index++; | |
4801 | return 0; | |
4802 | } | |
4803 | ||
4804 | static int parallel_parse(const char *devname) | |
4805 | { | |
4806 | static int index = 0; | |
4807 | char label[32]; | |
4808 | ||
4809 | if (strcmp(devname, "none") == 0) | |
4810 | return 0; | |
4811 | if (index == MAX_PARALLEL_PORTS) { | |
4812 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
4813 | exit(1); | |
4814 | } | |
4815 | snprintf(label, sizeof(label), "parallel%d", index); | |
4816 | parallel_hds[index] = qemu_chr_open(label, devname, NULL); | |
4817 | if (!parallel_hds[index]) { | |
4818 | fprintf(stderr, "qemu: could not open parallel device '%s': %s\n", | |
4819 | devname, strerror(errno)); | |
4820 | return -1; | |
4821 | } | |
4822 | index++; | |
4823 | return 0; | |
4824 | } | |
4825 | ||
4826 | static int virtcon_parse(const char *devname) | |
4827 | { | |
4828 | static int index = 0; | |
4829 | char label[32]; | |
4830 | ||
4831 | if (strcmp(devname, "none") == 0) | |
4832 | return 0; | |
4833 | if (index == MAX_VIRTIO_CONSOLES) { | |
4834 | fprintf(stderr, "qemu: too many virtio consoles\n"); | |
4835 | exit(1); | |
4836 | } | |
4837 | snprintf(label, sizeof(label), "virtcon%d", index); | |
4838 | virtcon_hds[index] = qemu_chr_open(label, devname, NULL); | |
4839 | if (!virtcon_hds[index]) { | |
4840 | fprintf(stderr, "qemu: could not open virtio console '%s': %s\n", | |
4841 | devname, strerror(errno)); | |
4842 | return -1; | |
4843 | } | |
4844 | index++; | |
4845 | return 0; | |
4846 | } | |
4847 | ||
4848 | int main(int argc, char **argv, char **envp) | |
4849 | { | |
4850 | const char *gdbstub_dev = NULL; | |
4851 | uint32_t boot_devices_bitmap = 0; | |
4852 | int i; | |
4853 | int snapshot, linux_boot, net_boot; | |
4854 | const char *initrd_filename; | |
4855 | const char *kernel_filename, *kernel_cmdline; | |
4856 | char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */ | |
4857 | DisplayState *ds; | |
4858 | DisplayChangeListener *dcl; | |
4859 | int cyls, heads, secs, translation; | |
4860 | QemuOpts *hda_opts = NULL, *opts; | |
4861 | int optind; | |
4862 | const char *r, *optarg; | |
4863 | const char *loadvm = NULL; | |
4864 | QEMUMachine *machine; | |
4865 | const char *cpu_model; | |
4866 | #ifndef _WIN32 | |
4867 | int fds[2]; | |
4868 | #endif | |
4869 | int tb_size; | |
4870 | const char *pid_file = NULL; | |
4871 | const char *incoming = NULL; | |
4872 | #ifndef _WIN32 | |
4873 | int fd = 0; | |
4874 | struct passwd *pwd = NULL; | |
4875 | const char *chroot_dir = NULL; | |
4876 | const char *run_as = NULL; | |
4877 | #endif | |
4878 | CPUState *env; | |
4879 | int show_vnc_port = 0; | |
4880 | ||
4881 | init_clocks(); | |
4882 | ||
4883 | qemu_errors_to_file(stderr); | |
4884 | qemu_cache_utils_init(envp); | |
4885 | ||
4886 | QLIST_INIT (&vm_change_state_head); | |
4887 | #ifndef _WIN32 | |
4888 | { | |
4889 | struct sigaction act; | |
4890 | sigfillset(&act.sa_mask); | |
4891 | act.sa_flags = 0; | |
4892 | act.sa_handler = SIG_IGN; | |
4893 | sigaction(SIGPIPE, &act, NULL); | |
4894 | } | |
4895 | #else | |
4896 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
4897 | /* Note: cpu_interrupt() is currently not SMP safe, so we force | |
4898 | QEMU to run on a single CPU */ | |
4899 | { | |
4900 | HANDLE h; | |
4901 | DWORD mask, smask; | |
4902 | int i; | |
4903 | h = GetCurrentProcess(); | |
4904 | if (GetProcessAffinityMask(h, &mask, &smask)) { | |
4905 | for(i = 0; i < 32; i++) { | |
4906 | if (mask & (1 << i)) | |
4907 | break; | |
4908 | } | |
4909 | if (i != 32) { | |
4910 | mask = 1 << i; | |
4911 | SetProcessAffinityMask(h, mask); | |
4912 | } | |
4913 | } | |
4914 | } | |
4915 | #endif | |
4916 | ||
4917 | module_call_init(MODULE_INIT_MACHINE); | |
4918 | machine = find_default_machine(); | |
4919 | cpu_model = NULL; | |
4920 | initrd_filename = NULL; | |
4921 | ram_size = 0; | |
4922 | snapshot = 0; | |
4923 | kernel_filename = NULL; | |
4924 | kernel_cmdline = ""; | |
4925 | cyls = heads = secs = 0; | |
4926 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
4927 | ||
4928 | for (i = 0; i < MAX_NODES; i++) { | |
4929 | node_mem[i] = 0; | |
4930 | node_cpumask[i] = 0; | |
4931 | } | |
4932 | ||
4933 | nb_numa_nodes = 0; | |
4934 | nb_nics = 0; | |
4935 | ||
4936 | tb_size = 0; | |
4937 | autostart= 1; | |
4938 | ||
4939 | optind = 1; | |
4940 | for(;;) { | |
4941 | if (optind >= argc) | |
4942 | break; | |
4943 | r = argv[optind]; | |
4944 | if (r[0] != '-') { | |
4945 | hda_opts = drive_add(argv[optind++], HD_ALIAS, 0); | |
4946 | } else { | |
4947 | const QEMUOption *popt; | |
4948 | ||
4949 | optind++; | |
4950 | /* Treat --foo the same as -foo. */ | |
4951 | if (r[1] == '-') | |
4952 | r++; | |
4953 | popt = qemu_options; | |
4954 | for(;;) { | |
4955 | if (!popt->name) { | |
4956 | fprintf(stderr, "%s: invalid option -- '%s'\n", | |
4957 | argv[0], r); | |
4958 | exit(1); | |
4959 | } | |
4960 | if (!strcmp(popt->name, r + 1)) | |
4961 | break; | |
4962 | popt++; | |
4963 | } | |
4964 | if (popt->flags & HAS_ARG) { | |
4965 | if (optind >= argc) { | |
4966 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
4967 | argv[0], r); | |
4968 | exit(1); | |
4969 | } | |
4970 | optarg = argv[optind++]; | |
4971 | } else { | |
4972 | optarg = NULL; | |
4973 | } | |
4974 | ||
4975 | switch(popt->index) { | |
4976 | case QEMU_OPTION_M: | |
4977 | machine = find_machine(optarg); | |
4978 | if (!machine) { | |
4979 | QEMUMachine *m; | |
4980 | printf("Supported machines are:\n"); | |
4981 | for(m = first_machine; m != NULL; m = m->next) { | |
4982 | if (m->alias) | |
4983 | printf("%-10s %s (alias of %s)\n", | |
4984 | m->alias, m->desc, m->name); | |
4985 | printf("%-10s %s%s\n", | |
4986 | m->name, m->desc, | |
4987 | m->is_default ? " (default)" : ""); | |
4988 | } | |
4989 | exit(*optarg != '?'); | |
4990 | } | |
4991 | break; | |
4992 | case QEMU_OPTION_cpu: | |
4993 | /* hw initialization will check this */ | |
4994 | if (*optarg == '?') { | |
4995 | /* XXX: implement xxx_cpu_list for targets that still miss it */ | |
4996 | #if defined(cpu_list) | |
4997 | cpu_list(stdout, &fprintf); | |
4998 | #endif | |
4999 | exit(0); | |
5000 | } else { | |
5001 | cpu_model = optarg; | |
5002 | } | |
5003 | break; | |
5004 | case QEMU_OPTION_initrd: | |
5005 | initrd_filename = optarg; | |
5006 | break; | |
5007 | case QEMU_OPTION_hda: | |
5008 | if (cyls == 0) | |
5009 | hda_opts = drive_add(optarg, HD_ALIAS, 0); | |
5010 | else | |
5011 | hda_opts = drive_add(optarg, HD_ALIAS | |
5012 | ",cyls=%d,heads=%d,secs=%d%s", | |
5013 | 0, cyls, heads, secs, | |
5014 | translation == BIOS_ATA_TRANSLATION_LBA ? | |
5015 | ",trans=lba" : | |
5016 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
5017 | ",trans=none" : ""); | |
5018 | break; | |
5019 | case QEMU_OPTION_hdb: | |
5020 | case QEMU_OPTION_hdc: | |
5021 | case QEMU_OPTION_hdd: | |
5022 | drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); | |
5023 | break; | |
5024 | case QEMU_OPTION_drive: | |
5025 | drive_add(NULL, "%s", optarg); | |
5026 | break; | |
5027 | case QEMU_OPTION_set: | |
5028 | if (qemu_set_option(optarg) != 0) | |
5029 | exit(1); | |
5030 | break; | |
5031 | case QEMU_OPTION_global: | |
5032 | if (qemu_global_option(optarg) != 0) | |
5033 | exit(1); | |
5034 | break; | |
5035 | case QEMU_OPTION_mtdblock: | |
5036 | drive_add(optarg, MTD_ALIAS); | |
5037 | break; | |
5038 | case QEMU_OPTION_sd: | |
5039 | drive_add(optarg, SD_ALIAS); | |
5040 | break; | |
5041 | case QEMU_OPTION_pflash: | |
5042 | drive_add(optarg, PFLASH_ALIAS); | |
5043 | break; | |
5044 | case QEMU_OPTION_snapshot: | |
5045 | snapshot = 1; | |
5046 | break; | |
5047 | case QEMU_OPTION_hdachs: | |
5048 | { | |
5049 | const char *p; | |
5050 | p = optarg; | |
5051 | cyls = strtol(p, (char **)&p, 0); | |
5052 | if (cyls < 1 || cyls > 16383) | |
5053 | goto chs_fail; | |
5054 | if (*p != ',') | |
5055 | goto chs_fail; | |
5056 | p++; | |
5057 | heads = strtol(p, (char **)&p, 0); | |
5058 | if (heads < 1 || heads > 16) | |
5059 | goto chs_fail; | |
5060 | if (*p != ',') | |
5061 | goto chs_fail; | |
5062 | p++; | |
5063 | secs = strtol(p, (char **)&p, 0); | |
5064 | if (secs < 1 || secs > 63) | |
5065 | goto chs_fail; | |
5066 | if (*p == ',') { | |
5067 | p++; | |
5068 | if (!strcmp(p, "none")) | |
5069 | translation = BIOS_ATA_TRANSLATION_NONE; | |
5070 | else if (!strcmp(p, "lba")) | |
5071 | translation = BIOS_ATA_TRANSLATION_LBA; | |
5072 | else if (!strcmp(p, "auto")) | |
5073 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
5074 | else | |
5075 | goto chs_fail; | |
5076 | } else if (*p != '\0') { | |
5077 | chs_fail: | |
5078 | fprintf(stderr, "qemu: invalid physical CHS format\n"); | |
5079 | exit(1); | |
5080 | } | |
5081 | if (hda_opts != NULL) { | |
5082 | char num[16]; | |
5083 | snprintf(num, sizeof(num), "%d", cyls); | |
5084 | qemu_opt_set(hda_opts, "cyls", num); | |
5085 | snprintf(num, sizeof(num), "%d", heads); | |
5086 | qemu_opt_set(hda_opts, "heads", num); | |
5087 | snprintf(num, sizeof(num), "%d", secs); | |
5088 | qemu_opt_set(hda_opts, "secs", num); | |
5089 | if (translation == BIOS_ATA_TRANSLATION_LBA) | |
5090 | qemu_opt_set(hda_opts, "trans", "lba"); | |
5091 | if (translation == BIOS_ATA_TRANSLATION_NONE) | |
5092 | qemu_opt_set(hda_opts, "trans", "none"); | |
5093 | } | |
5094 | } | |
5095 | break; | |
5096 | case QEMU_OPTION_numa: | |
5097 | if (nb_numa_nodes >= MAX_NODES) { | |
5098 | fprintf(stderr, "qemu: too many NUMA nodes\n"); | |
5099 | exit(1); | |
5100 | } | |
5101 | numa_add(optarg); | |
5102 | break; | |
5103 | case QEMU_OPTION_nographic: | |
5104 | display_type = DT_NOGRAPHIC; | |
5105 | break; | |
5106 | #ifdef CONFIG_CURSES | |
5107 | case QEMU_OPTION_curses: | |
5108 | display_type = DT_CURSES; | |
5109 | break; | |
5110 | #endif | |
5111 | case QEMU_OPTION_portrait: | |
5112 | graphic_rotate = 1; | |
5113 | break; | |
5114 | case QEMU_OPTION_kernel: | |
5115 | kernel_filename = optarg; | |
5116 | break; | |
5117 | case QEMU_OPTION_append: | |
5118 | kernel_cmdline = optarg; | |
5119 | break; | |
5120 | case QEMU_OPTION_cdrom: | |
5121 | drive_add(optarg, CDROM_ALIAS); | |
5122 | break; | |
5123 | case QEMU_OPTION_boot: | |
5124 | { | |
5125 | static const char * const params[] = { | |
5126 | "order", "once", "menu", NULL | |
5127 | }; | |
5128 | char buf[sizeof(boot_devices)]; | |
5129 | char *standard_boot_devices; | |
5130 | int legacy = 0; | |
5131 | ||
5132 | if (!strchr(optarg, '=')) { | |
5133 | legacy = 1; | |
5134 | pstrcpy(buf, sizeof(buf), optarg); | |
5135 | } else if (check_params(buf, sizeof(buf), params, optarg) < 0) { | |
5136 | fprintf(stderr, | |
5137 | "qemu: unknown boot parameter '%s' in '%s'\n", | |
5138 | buf, optarg); | |
5139 | exit(1); | |
5140 | } | |
5141 | ||
5142 | if (legacy || | |
5143 | get_param_value(buf, sizeof(buf), "order", optarg)) { | |
5144 | boot_devices_bitmap = parse_bootdevices(buf); | |
5145 | pstrcpy(boot_devices, sizeof(boot_devices), buf); | |
5146 | } | |
5147 | if (!legacy) { | |
5148 | if (get_param_value(buf, sizeof(buf), | |
5149 | "once", optarg)) { | |
5150 | boot_devices_bitmap |= parse_bootdevices(buf); | |
5151 | standard_boot_devices = qemu_strdup(boot_devices); | |
5152 | pstrcpy(boot_devices, sizeof(boot_devices), buf); | |
5153 | qemu_register_reset(restore_boot_devices, | |
5154 | standard_boot_devices); | |
5155 | } | |
5156 | if (get_param_value(buf, sizeof(buf), | |
5157 | "menu", optarg)) { | |
5158 | if (!strcmp(buf, "on")) { | |
5159 | boot_menu = 1; | |
5160 | } else if (!strcmp(buf, "off")) { | |
5161 | boot_menu = 0; | |
5162 | } else { | |
5163 | fprintf(stderr, | |
5164 | "qemu: invalid option value '%s'\n", | |
5165 | buf); | |
5166 | exit(1); | |
5167 | } | |
5168 | } | |
5169 | } | |
5170 | } | |
5171 | break; | |
5172 | case QEMU_OPTION_fda: | |
5173 | case QEMU_OPTION_fdb: | |
5174 | drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); | |
5175 | break; | |
5176 | #ifdef TARGET_I386 | |
5177 | case QEMU_OPTION_no_fd_bootchk: | |
5178 | fd_bootchk = 0; | |
5179 | break; | |
5180 | #endif | |
5181 | case QEMU_OPTION_netdev: | |
5182 | if (net_client_parse(&qemu_netdev_opts, optarg) == -1) { | |
5183 | exit(1); | |
5184 | } | |
5185 | break; | |
5186 | case QEMU_OPTION_net: | |
5187 | if (net_client_parse(&qemu_net_opts, optarg) == -1) { | |
5188 | exit(1); | |
5189 | } | |
5190 | break; | |
5191 | #ifdef CONFIG_SLIRP | |
5192 | case QEMU_OPTION_tftp: | |
5193 | legacy_tftp_prefix = optarg; | |
5194 | break; | |
5195 | case QEMU_OPTION_bootp: | |
5196 | legacy_bootp_filename = optarg; | |
5197 | break; | |
5198 | #ifndef _WIN32 | |
5199 | case QEMU_OPTION_smb: | |
5200 | if (net_slirp_smb(optarg) < 0) | |
5201 | exit(1); | |
5202 | break; | |
5203 | #endif | |
5204 | case QEMU_OPTION_redir: | |
5205 | if (net_slirp_redir(optarg) < 0) | |
5206 | exit(1); | |
5207 | break; | |
5208 | #endif | |
5209 | case QEMU_OPTION_bt: | |
5210 | add_device_config(DEV_BT, optarg); | |
5211 | break; | |
5212 | #ifdef HAS_AUDIO | |
5213 | case QEMU_OPTION_audio_help: | |
5214 | AUD_help (); | |
5215 | exit (0); | |
5216 | break; | |
5217 | case QEMU_OPTION_soundhw: | |
5218 | select_soundhw (optarg); | |
5219 | break; | |
5220 | #endif | |
5221 | case QEMU_OPTION_h: | |
5222 | help(0); | |
5223 | break; | |
5224 | case QEMU_OPTION_version: | |
5225 | version(); | |
5226 | exit(0); | |
5227 | break; | |
5228 | case QEMU_OPTION_m: { | |
5229 | uint64_t value; | |
5230 | char *ptr; | |
5231 | ||
5232 | value = strtoul(optarg, &ptr, 10); | |
5233 | switch (*ptr) { | |
5234 | case 0: case 'M': case 'm': | |
5235 | value <<= 20; | |
5236 | break; | |
5237 | case 'G': case 'g': | |
5238 | value <<= 30; | |
5239 | break; | |
5240 | default: | |
5241 | fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); | |
5242 | exit(1); | |
5243 | } | |
5244 | ||
5245 | /* On 32-bit hosts, QEMU is limited by virtual address space */ | |
5246 | if (value > (2047 << 20) && HOST_LONG_BITS == 32) { | |
5247 | fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); | |
5248 | exit(1); | |
5249 | } | |
5250 | if (value != (uint64_t)(ram_addr_t)value) { | |
5251 | fprintf(stderr, "qemu: ram size too large\n"); | |
5252 | exit(1); | |
5253 | } | |
5254 | ram_size = value; | |
5255 | break; | |
5256 | } | |
5257 | case QEMU_OPTION_d: | |
5258 | { | |
5259 | int mask; | |
5260 | const CPULogItem *item; | |
5261 | ||
5262 | mask = cpu_str_to_log_mask(optarg); | |
5263 | if (!mask) { | |
5264 | printf("Log items (comma separated):\n"); | |
5265 | for(item = cpu_log_items; item->mask != 0; item++) { | |
5266 | printf("%-10s %s\n", item->name, item->help); | |
5267 | } | |
5268 | exit(1); | |
5269 | } | |
5270 | cpu_set_log(mask); | |
5271 | } | |
5272 | break; | |
5273 | case QEMU_OPTION_s: | |
5274 | gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT; | |
5275 | break; | |
5276 | case QEMU_OPTION_gdb: | |
5277 | gdbstub_dev = optarg; | |
5278 | break; | |
5279 | case QEMU_OPTION_L: | |
5280 | data_dir = optarg; | |
5281 | break; | |
5282 | case QEMU_OPTION_bios: | |
5283 | bios_name = optarg; | |
5284 | break; | |
5285 | case QEMU_OPTION_singlestep: | |
5286 | singlestep = 1; | |
5287 | break; | |
5288 | case QEMU_OPTION_S: | |
5289 | autostart = 0; | |
5290 | break; | |
5291 | case QEMU_OPTION_k: | |
5292 | keyboard_layout = optarg; | |
5293 | break; | |
5294 | case QEMU_OPTION_localtime: | |
5295 | rtc_utc = 0; | |
5296 | break; | |
5297 | case QEMU_OPTION_vga: | |
5298 | select_vgahw (optarg); | |
5299 | break; | |
5300 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
5301 | case QEMU_OPTION_g: | |
5302 | { | |
5303 | const char *p; | |
5304 | int w, h, depth; | |
5305 | p = optarg; | |
5306 | w = strtol(p, (char **)&p, 10); | |
5307 | if (w <= 0) { | |
5308 | graphic_error: | |
5309 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
5310 | exit(1); | |
5311 | } | |
5312 | if (*p != 'x') | |
5313 | goto graphic_error; | |
5314 | p++; | |
5315 | h = strtol(p, (char **)&p, 10); | |
5316 | if (h <= 0) | |
5317 | goto graphic_error; | |
5318 | if (*p == 'x') { | |
5319 | p++; | |
5320 | depth = strtol(p, (char **)&p, 10); | |
5321 | if (depth != 8 && depth != 15 && depth != 16 && | |
5322 | depth != 24 && depth != 32) | |
5323 | goto graphic_error; | |
5324 | } else if (*p == '\0') { | |
5325 | depth = graphic_depth; | |
5326 | } else { | |
5327 | goto graphic_error; | |
5328 | } | |
5329 | ||
5330 | graphic_width = w; | |
5331 | graphic_height = h; | |
5332 | graphic_depth = depth; | |
5333 | } | |
5334 | break; | |
5335 | #endif | |
5336 | case QEMU_OPTION_echr: | |
5337 | { | |
5338 | char *r; | |
5339 | term_escape_char = strtol(optarg, &r, 0); | |
5340 | if (r == optarg) | |
5341 | printf("Bad argument to echr\n"); | |
5342 | break; | |
5343 | } | |
5344 | case QEMU_OPTION_monitor: | |
5345 | monitor_parse(optarg, "readline"); | |
5346 | default_monitor = 0; | |
5347 | break; | |
5348 | case QEMU_OPTION_qmp: | |
5349 | monitor_parse(optarg, "control"); | |
5350 | default_monitor = 0; | |
5351 | break; | |
5352 | case QEMU_OPTION_mon: | |
5353 | opts = qemu_opts_parse(&qemu_mon_opts, optarg, "chardev"); | |
5354 | if (!opts) { | |
5355 | fprintf(stderr, "parse error: %s\n", optarg); | |
5356 | exit(1); | |
5357 | } | |
5358 | default_monitor = 0; | |
5359 | break; | |
5360 | case QEMU_OPTION_chardev: | |
5361 | opts = qemu_opts_parse(&qemu_chardev_opts, optarg, "backend"); | |
5362 | if (!opts) { | |
5363 | fprintf(stderr, "parse error: %s\n", optarg); | |
5364 | exit(1); | |
5365 | } | |
5366 | break; | |
5367 | case QEMU_OPTION_serial: | |
5368 | add_device_config(DEV_SERIAL, optarg); | |
5369 | default_serial = 0; | |
5370 | break; | |
5371 | case QEMU_OPTION_watchdog: | |
5372 | if (watchdog) { | |
5373 | fprintf(stderr, | |
5374 | "qemu: only one watchdog option may be given\n"); | |
5375 | return 1; | |
5376 | } | |
5377 | watchdog = optarg; | |
5378 | break; | |
5379 | case QEMU_OPTION_watchdog_action: | |
5380 | if (select_watchdog_action(optarg) == -1) { | |
5381 | fprintf(stderr, "Unknown -watchdog-action parameter\n"); | |
5382 | exit(1); | |
5383 | } | |
5384 | break; | |
5385 | case QEMU_OPTION_virtiocon: | |
5386 | add_device_config(DEV_VIRTCON, optarg); | |
5387 | default_virtcon = 0; | |
5388 | break; | |
5389 | case QEMU_OPTION_parallel: | |
5390 | add_device_config(DEV_PARALLEL, optarg); | |
5391 | default_parallel = 0; | |
5392 | break; | |
5393 | case QEMU_OPTION_loadvm: | |
5394 | loadvm = optarg; | |
5395 | break; | |
5396 | case QEMU_OPTION_full_screen: | |
5397 | full_screen = 1; | |
5398 | break; | |
5399 | #ifdef CONFIG_SDL | |
5400 | case QEMU_OPTION_no_frame: | |
5401 | no_frame = 1; | |
5402 | break; | |
5403 | case QEMU_OPTION_alt_grab: | |
5404 | alt_grab = 1; | |
5405 | break; | |
5406 | case QEMU_OPTION_ctrl_grab: | |
5407 | ctrl_grab = 1; | |
5408 | break; | |
5409 | case QEMU_OPTION_no_quit: | |
5410 | no_quit = 1; | |
5411 | break; | |
5412 | case QEMU_OPTION_sdl: | |
5413 | display_type = DT_SDL; | |
5414 | break; | |
5415 | #endif | |
5416 | case QEMU_OPTION_pidfile: | |
5417 | pid_file = optarg; | |
5418 | break; | |
5419 | #ifdef TARGET_I386 | |
5420 | case QEMU_OPTION_win2k_hack: | |
5421 | win2k_install_hack = 1; | |
5422 | break; | |
5423 | case QEMU_OPTION_rtc_td_hack: | |
5424 | rtc_td_hack = 1; | |
5425 | break; | |
5426 | case QEMU_OPTION_acpitable: | |
5427 | if(acpi_table_add(optarg) < 0) { | |
5428 | fprintf(stderr, "Wrong acpi table provided\n"); | |
5429 | exit(1); | |
5430 | } | |
5431 | break; | |
5432 | case QEMU_OPTION_smbios: | |
5433 | if(smbios_entry_add(optarg) < 0) { | |
5434 | fprintf(stderr, "Wrong smbios provided\n"); | |
5435 | exit(1); | |
5436 | } | |
5437 | break; | |
5438 | #endif | |
5439 | #ifdef CONFIG_KVM | |
5440 | case QEMU_OPTION_enable_kvm: | |
5441 | kvm_allowed = 1; | |
5442 | break; | |
5443 | #endif | |
5444 | case QEMU_OPTION_usb: | |
5445 | usb_enabled = 1; | |
5446 | break; | |
5447 | case QEMU_OPTION_usbdevice: | |
5448 | usb_enabled = 1; | |
5449 | add_device_config(DEV_USB, optarg); | |
5450 | break; | |
5451 | case QEMU_OPTION_device: | |
5452 | if (!qemu_opts_parse(&qemu_device_opts, optarg, "driver")) { | |
5453 | exit(1); | |
5454 | } | |
5455 | break; | |
5456 | case QEMU_OPTION_smp: | |
5457 | smp_parse(optarg); | |
5458 | if (smp_cpus < 1) { | |
5459 | fprintf(stderr, "Invalid number of CPUs\n"); | |
5460 | exit(1); | |
5461 | } | |
5462 | if (max_cpus < smp_cpus) { | |
5463 | fprintf(stderr, "maxcpus must be equal to or greater than " | |
5464 | "smp\n"); | |
5465 | exit(1); | |
5466 | } | |
5467 | if (max_cpus > 255) { | |
5468 | fprintf(stderr, "Unsupported number of maxcpus\n"); | |
5469 | exit(1); | |
5470 | } | |
5471 | break; | |
5472 | case QEMU_OPTION_vnc: | |
5473 | display_type = DT_VNC; | |
5474 | vnc_display = optarg; | |
5475 | break; | |
5476 | #ifdef TARGET_I386 | |
5477 | case QEMU_OPTION_no_acpi: | |
5478 | acpi_enabled = 0; | |
5479 | break; | |
5480 | case QEMU_OPTION_no_hpet: | |
5481 | no_hpet = 1; | |
5482 | break; | |
5483 | case QEMU_OPTION_balloon: | |
5484 | if (balloon_parse(optarg) < 0) { | |
5485 | fprintf(stderr, "Unknown -balloon argument %s\n", optarg); | |
5486 | exit(1); | |
5487 | } | |
5488 | break; | |
5489 | #endif | |
5490 | case QEMU_OPTION_no_reboot: | |
5491 | no_reboot = 1; | |
5492 | break; | |
5493 | case QEMU_OPTION_no_shutdown: | |
5494 | no_shutdown = 1; | |
5495 | break; | |
5496 | case QEMU_OPTION_show_cursor: | |
5497 | cursor_hide = 0; | |
5498 | break; | |
5499 | case QEMU_OPTION_uuid: | |
5500 | if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { | |
5501 | fprintf(stderr, "Fail to parse UUID string." | |
5502 | " Wrong format.\n"); | |
5503 | exit(1); | |
5504 | } | |
5505 | break; | |
5506 | #ifndef _WIN32 | |
5507 | case QEMU_OPTION_daemonize: | |
5508 | daemonize = 1; | |
5509 | break; | |
5510 | #endif | |
5511 | case QEMU_OPTION_option_rom: | |
5512 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
5513 | fprintf(stderr, "Too many option ROMs\n"); | |
5514 | exit(1); | |
5515 | } | |
5516 | option_rom[nb_option_roms] = optarg; | |
5517 | nb_option_roms++; | |
5518 | break; | |
5519 | #if defined(TARGET_ARM) || defined(TARGET_M68K) | |
5520 | case QEMU_OPTION_semihosting: | |
5521 | semihosting_enabled = 1; | |
5522 | break; | |
5523 | #endif | |
5524 | case QEMU_OPTION_name: | |
5525 | qemu_name = qemu_strdup(optarg); | |
5526 | { | |
5527 | char *p = strchr(qemu_name, ','); | |
5528 | if (p != NULL) { | |
5529 | *p++ = 0; | |
5530 | if (strncmp(p, "process=", 8)) { | |
5531 | fprintf(stderr, "Unknown subargument %s to -name", p); | |
5532 | exit(1); | |
5533 | } | |
5534 | p += 8; | |
5535 | set_proc_name(p); | |
5536 | } | |
5537 | } | |
5538 | break; | |
5539 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) | |
5540 | case QEMU_OPTION_prom_env: | |
5541 | if (nb_prom_envs >= MAX_PROM_ENVS) { | |
5542 | fprintf(stderr, "Too many prom variables\n"); | |
5543 | exit(1); | |
5544 | } | |
5545 | prom_envs[nb_prom_envs] = optarg; | |
5546 | nb_prom_envs++; | |
5547 | break; | |
5548 | #endif | |
5549 | #ifdef TARGET_ARM | |
5550 | case QEMU_OPTION_old_param: | |
5551 | old_param = 1; | |
5552 | break; | |
5553 | #endif | |
5554 | case QEMU_OPTION_clock: | |
5555 | configure_alarms(optarg); | |
5556 | break; | |
5557 | case QEMU_OPTION_startdate: | |
5558 | configure_rtc_date_offset(optarg, 1); | |
5559 | break; | |
5560 | case QEMU_OPTION_rtc: | |
5561 | opts = qemu_opts_parse(&qemu_rtc_opts, optarg, NULL); | |
5562 | if (!opts) { | |
5563 | fprintf(stderr, "parse error: %s\n", optarg); | |
5564 | exit(1); | |
5565 | } | |
5566 | configure_rtc(opts); | |
5567 | break; | |
5568 | case QEMU_OPTION_tb_size: | |
5569 | tb_size = strtol(optarg, NULL, 0); | |
5570 | if (tb_size < 0) | |
5571 | tb_size = 0; | |
5572 | break; | |
5573 | case QEMU_OPTION_icount: | |
5574 | use_icount = 1; | |
5575 | if (strcmp(optarg, "auto") == 0) { | |
5576 | icount_time_shift = -1; | |
5577 | } else { | |
5578 | icount_time_shift = strtol(optarg, NULL, 0); | |
5579 | } | |
5580 | break; | |
5581 | case QEMU_OPTION_incoming: | |
5582 | incoming = optarg; | |
5583 | break; | |
5584 | case QEMU_OPTION_nodefaults: | |
5585 | default_serial = 0; | |
5586 | default_parallel = 0; | |
5587 | default_virtcon = 0; | |
5588 | default_monitor = 0; | |
5589 | default_vga = 0; | |
5590 | default_net = 0; | |
5591 | default_floppy = 0; | |
5592 | default_cdrom = 0; | |
5593 | default_sdcard = 0; | |
5594 | break; | |
5595 | #ifndef _WIN32 | |
5596 | case QEMU_OPTION_chroot: | |
5597 | chroot_dir = optarg; | |
5598 | break; | |
5599 | case QEMU_OPTION_runas: | |
5600 | run_as = optarg; | |
5601 | break; | |
5602 | #endif | |
5603 | #ifdef CONFIG_XEN | |
5604 | case QEMU_OPTION_xen_domid: | |
5605 | xen_domid = atoi(optarg); | |
5606 | break; | |
5607 | case QEMU_OPTION_xen_create: | |
5608 | xen_mode = XEN_CREATE; | |
5609 | break; | |
5610 | case QEMU_OPTION_xen_attach: | |
5611 | xen_mode = XEN_ATTACH; | |
5612 | break; | |
5613 | #endif | |
5614 | case QEMU_OPTION_readconfig: | |
5615 | { | |
5616 | FILE *fp; | |
5617 | fp = fopen(optarg, "r"); | |
5618 | if (fp == NULL) { | |
5619 | fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); | |
5620 | exit(1); | |
5621 | } | |
5622 | if (qemu_config_parse(fp) != 0) { | |
5623 | exit(1); | |
5624 | } | |
5625 | fclose(fp); | |
5626 | break; | |
5627 | } | |
5628 | case QEMU_OPTION_writeconfig: | |
5629 | { | |
5630 | FILE *fp; | |
5631 | if (strcmp(optarg, "-") == 0) { | |
5632 | fp = stdout; | |
5633 | } else { | |
5634 | fp = fopen(optarg, "w"); | |
5635 | if (fp == NULL) { | |
5636 | fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); | |
5637 | exit(1); | |
5638 | } | |
5639 | } | |
5640 | qemu_config_write(fp); | |
5641 | fclose(fp); | |
5642 | break; | |
5643 | } | |
5644 | } | |
5645 | } | |
5646 | } | |
5647 | ||
5648 | /* If no data_dir is specified then try to find it relative to the | |
5649 | executable path. */ | |
5650 | if (!data_dir) { | |
5651 | data_dir = find_datadir(argv[0]); | |
5652 | } | |
5653 | /* If all else fails use the install patch specified when building. */ | |
5654 | if (!data_dir) { | |
5655 | data_dir = CONFIG_QEMU_SHAREDIR; | |
5656 | } | |
5657 | ||
5658 | /* | |
5659 | * Default to max_cpus = smp_cpus, in case the user doesn't | |
5660 | * specify a max_cpus value. | |
5661 | */ | |
5662 | if (!max_cpus) | |
5663 | max_cpus = smp_cpus; | |
5664 | ||
5665 | machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ | |
5666 | if (smp_cpus > machine->max_cpus) { | |
5667 | fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " | |
5668 | "supported by machine `%s' (%d)\n", smp_cpus, machine->name, | |
5669 | machine->max_cpus); | |
5670 | exit(1); | |
5671 | } | |
5672 | ||
5673 | qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0); | |
5674 | qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0); | |
5675 | ||
5676 | if (machine->no_serial) { | |
5677 | default_serial = 0; | |
5678 | } | |
5679 | if (machine->no_parallel) { | |
5680 | default_parallel = 0; | |
5681 | } | |
5682 | if (!machine->use_virtcon) { | |
5683 | default_virtcon = 0; | |
5684 | } | |
5685 | if (machine->no_vga) { | |
5686 | default_vga = 0; | |
5687 | } | |
5688 | if (machine->no_floppy) { | |
5689 | default_floppy = 0; | |
5690 | } | |
5691 | if (machine->no_cdrom) { | |
5692 | default_cdrom = 0; | |
5693 | } | |
5694 | if (machine->no_sdcard) { | |
5695 | default_sdcard = 0; | |
5696 | } | |
5697 | ||
5698 | if (display_type == DT_NOGRAPHIC) { | |
5699 | if (default_parallel) | |
5700 | add_device_config(DEV_PARALLEL, "null"); | |
5701 | if (default_serial && default_monitor) { | |
5702 | add_device_config(DEV_SERIAL, "mon:stdio"); | |
5703 | } else if (default_virtcon && default_monitor) { | |
5704 | add_device_config(DEV_VIRTCON, "mon:stdio"); | |
5705 | } else { | |
5706 | if (default_serial) | |
5707 | add_device_config(DEV_SERIAL, "stdio"); | |
5708 | if (default_virtcon) | |
5709 | add_device_config(DEV_VIRTCON, "stdio"); | |
5710 | if (default_monitor) | |
5711 | monitor_parse("stdio", "readline"); | |
5712 | } | |
5713 | } else { | |
5714 | if (default_serial) | |
5715 | add_device_config(DEV_SERIAL, "vc:80Cx24C"); | |
5716 | if (default_parallel) | |
5717 | add_device_config(DEV_PARALLEL, "vc:80Cx24C"); | |
5718 | if (default_monitor) | |
5719 | monitor_parse("vc:80Cx24C", "readline"); | |
5720 | if (default_virtcon) | |
5721 | add_device_config(DEV_VIRTCON, "vc:80Cx24C"); | |
5722 | } | |
5723 | if (default_vga) | |
5724 | vga_interface_type = VGA_CIRRUS; | |
5725 | ||
5726 | if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0) | |
5727 | exit(1); | |
5728 | ||
5729 | #ifndef _WIN32 | |
5730 | if (daemonize) { | |
5731 | pid_t pid; | |
5732 | ||
5733 | if (pipe(fds) == -1) | |
5734 | exit(1); | |
5735 | ||
5736 | pid = fork(); | |
5737 | if (pid > 0) { | |
5738 | uint8_t status; | |
5739 | ssize_t len; | |
5740 | ||
5741 | close(fds[1]); | |
5742 | ||
5743 | again: | |
5744 | len = read(fds[0], &status, 1); | |
5745 | if (len == -1 && (errno == EINTR)) | |
5746 | goto again; | |
5747 | ||
5748 | if (len != 1) | |
5749 | exit(1); | |
5750 | else if (status == 1) { | |
5751 | fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno)); | |
5752 | exit(1); | |
5753 | } else | |
5754 | exit(0); | |
5755 | } else if (pid < 0) | |
5756 | exit(1); | |
5757 | ||
5758 | close(fds[0]); | |
5759 | qemu_set_cloexec(fds[1]); | |
5760 | ||
5761 | setsid(); | |
5762 | ||
5763 | pid = fork(); | |
5764 | if (pid > 0) | |
5765 | exit(0); | |
5766 | else if (pid < 0) | |
5767 | exit(1); | |
5768 | ||
5769 | umask(027); | |
5770 | ||
5771 | signal(SIGTSTP, SIG_IGN); | |
5772 | signal(SIGTTOU, SIG_IGN); | |
5773 | signal(SIGTTIN, SIG_IGN); | |
5774 | } | |
5775 | ||
5776 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { | |
5777 | if (daemonize) { | |
5778 | uint8_t status = 1; | |
5779 | write(fds[1], &status, 1); | |
5780 | } else | |
5781 | fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno)); | |
5782 | exit(1); | |
5783 | } | |
5784 | #endif | |
5785 | ||
5786 | if (kvm_enabled()) { | |
5787 | int ret; | |
5788 | ||
5789 | ret = kvm_init(smp_cpus); | |
5790 | if (ret < 0) { | |
5791 | fprintf(stderr, "failed to initialize KVM\n"); | |
5792 | exit(1); | |
5793 | } | |
5794 | } | |
5795 | ||
5796 | if (qemu_init_main_loop()) { | |
5797 | fprintf(stderr, "qemu_init_main_loop failed\n"); | |
5798 | exit(1); | |
5799 | } | |
5800 | linux_boot = (kernel_filename != NULL); | |
5801 | ||
5802 | if (!linux_boot && *kernel_cmdline != '\0') { | |
5803 | fprintf(stderr, "-append only allowed with -kernel option\n"); | |
5804 | exit(1); | |
5805 | } | |
5806 | ||
5807 | if (!linux_boot && initrd_filename != NULL) { | |
5808 | fprintf(stderr, "-initrd only allowed with -kernel option\n"); | |
5809 | exit(1); | |
5810 | } | |
5811 | ||
5812 | #ifndef _WIN32 | |
5813 | /* Win32 doesn't support line-buffering and requires size >= 2 */ | |
5814 | setvbuf(stdout, NULL, _IOLBF, 0); | |
5815 | #endif | |
5816 | ||
5817 | if (init_timer_alarm() < 0) { | |
5818 | fprintf(stderr, "could not initialize alarm timer\n"); | |
5819 | exit(1); | |
5820 | } | |
5821 | if (use_icount && icount_time_shift < 0) { | |
5822 | use_icount = 2; | |
5823 | /* 125MIPS seems a reasonable initial guess at the guest speed. | |
5824 | It will be corrected fairly quickly anyway. */ | |
5825 | icount_time_shift = 3; | |
5826 | init_icount_adjust(); | |
5827 | } | |
5828 | ||
5829 | #ifdef _WIN32 | |
5830 | socket_init(); | |
5831 | #endif | |
5832 | ||
5833 | if (net_init_clients() < 0) { | |
5834 | exit(1); | |
5835 | } | |
5836 | ||
5837 | net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; | |
5838 | net_set_boot_mask(net_boot); | |
5839 | ||
5840 | /* init the bluetooth world */ | |
5841 | if (foreach_device_config(DEV_BT, bt_parse)) | |
5842 | exit(1); | |
5843 | ||
5844 | /* init the memory */ | |
5845 | if (ram_size == 0) | |
5846 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
5847 | ||
5848 | /* init the dynamic translator */ | |
5849 | cpu_exec_init_all(tb_size * 1024 * 1024); | |
5850 | ||
5851 | bdrv_init_with_whitelist(); | |
5852 | ||
5853 | blk_mig_init(); | |
5854 | ||
5855 | if (default_cdrom) { | |
5856 | /* we always create the cdrom drive, even if no disk is there */ | |
5857 | drive_add(NULL, CDROM_ALIAS); | |
5858 | } | |
5859 | ||
5860 | if (default_floppy) { | |
5861 | /* we always create at least one floppy */ | |
5862 | drive_add(NULL, FD_ALIAS, 0); | |
5863 | } | |
5864 | ||
5865 | if (default_sdcard) { | |
5866 | /* we always create one sd slot, even if no card is in it */ | |
5867 | drive_add(NULL, SD_ALIAS); | |
5868 | } | |
5869 | ||
5870 | /* open the virtual block devices */ | |
5871 | if (snapshot) | |
5872 | qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0); | |
5873 | if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0) | |
5874 | exit(1); | |
5875 | ||
5876 | vmstate_register(0, &vmstate_timers ,&timers_state); | |
5877 | register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL, | |
5878 | ram_load, NULL); | |
5879 | ||
5880 | if (nb_numa_nodes > 0) { | |
5881 | int i; | |
5882 | ||
5883 | if (nb_numa_nodes > smp_cpus) { | |
5884 | nb_numa_nodes = smp_cpus; | |
5885 | } | |
5886 | ||
5887 | /* If no memory size if given for any node, assume the default case | |
5888 | * and distribute the available memory equally across all nodes | |
5889 | */ | |
5890 | for (i = 0; i < nb_numa_nodes; i++) { | |
5891 | if (node_mem[i] != 0) | |
5892 | break; | |
5893 | } | |
5894 | if (i == nb_numa_nodes) { | |
5895 | uint64_t usedmem = 0; | |
5896 | ||
5897 | /* On Linux, the each node's border has to be 8MB aligned, | |
5898 | * the final node gets the rest. | |
5899 | */ | |
5900 | for (i = 0; i < nb_numa_nodes - 1; i++) { | |
5901 | node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); | |
5902 | usedmem += node_mem[i]; | |
5903 | } | |
5904 | node_mem[i] = ram_size - usedmem; | |
5905 | } | |
5906 | ||
5907 | for (i = 0; i < nb_numa_nodes; i++) { | |
5908 | if (node_cpumask[i] != 0) | |
5909 | break; | |
5910 | } | |
5911 | /* assigning the VCPUs round-robin is easier to implement, guest OSes | |
5912 | * must cope with this anyway, because there are BIOSes out there in | |
5913 | * real machines which also use this scheme. | |
5914 | */ | |
5915 | if (i == nb_numa_nodes) { | |
5916 | for (i = 0; i < smp_cpus; i++) { | |
5917 | node_cpumask[i % nb_numa_nodes] |= 1 << i; | |
5918 | } | |
5919 | } | |
5920 | } | |
5921 | ||
5922 | if (foreach_device_config(DEV_SERIAL, serial_parse) < 0) | |
5923 | exit(1); | |
5924 | if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0) | |
5925 | exit(1); | |
5926 | if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0) | |
5927 | exit(1); | |
5928 | ||
5929 | module_call_init(MODULE_INIT_DEVICE); | |
5930 | ||
5931 | if (watchdog) { | |
5932 | i = select_watchdog(watchdog); | |
5933 | if (i > 0) | |
5934 | exit (i == 1 ? 1 : 0); | |
5935 | } | |
5936 | ||
5937 | if (machine->compat_props) { | |
5938 | qdev_prop_register_global_list(machine->compat_props); | |
5939 | } | |
5940 | qemu_add_globals(); | |
5941 | ||
5942 | machine->init(ram_size, boot_devices, | |
5943 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); | |
5944 | ||
5945 | ||
5946 | #ifndef _WIN32 | |
5947 | /* must be after terminal init, SDL library changes signal handlers */ | |
5948 | sighandler_setup(); | |
5949 | #endif | |
5950 | ||
5951 | for (env = first_cpu; env != NULL; env = env->next_cpu) { | |
5952 | for (i = 0; i < nb_numa_nodes; i++) { | |
5953 | if (node_cpumask[i] & (1 << env->cpu_index)) { | |
5954 | env->numa_node = i; | |
5955 | } | |
5956 | } | |
5957 | } | |
5958 | ||
5959 | current_machine = machine; | |
5960 | ||
5961 | /* init USB devices */ | |
5962 | if (usb_enabled) { | |
5963 | if (foreach_device_config(DEV_USB, usb_parse) < 0) | |
5964 | exit(1); | |
5965 | } | |
5966 | ||
5967 | /* init generic devices */ | |
5968 | if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0) | |
5969 | exit(1); | |
5970 | ||
5971 | if (!display_state) | |
5972 | dumb_display_init(); | |
5973 | /* just use the first displaystate for the moment */ | |
5974 | ds = display_state; | |
5975 | ||
5976 | if (display_type == DT_DEFAULT) { | |
5977 | #if defined(CONFIG_SDL) || defined(CONFIG_COCOA) | |
5978 | display_type = DT_SDL; | |
5979 | #else | |
5980 | display_type = DT_VNC; | |
5981 | vnc_display = "localhost:0,to=99"; | |
5982 | show_vnc_port = 1; | |
5983 | #endif | |
5984 | } | |
5985 | ||
5986 | ||
5987 | switch (display_type) { | |
5988 | case DT_NOGRAPHIC: | |
5989 | break; | |
5990 | #if defined(CONFIG_CURSES) | |
5991 | case DT_CURSES: | |
5992 | curses_display_init(ds, full_screen); | |
5993 | break; | |
5994 | #endif | |
5995 | #if defined(CONFIG_SDL) | |
5996 | case DT_SDL: | |
5997 | sdl_display_init(ds, full_screen, no_frame); | |
5998 | break; | |
5999 | #elif defined(CONFIG_COCOA) | |
6000 | case DT_SDL: | |
6001 | cocoa_display_init(ds, full_screen); | |
6002 | break; | |
6003 | #endif | |
6004 | case DT_VNC: | |
6005 | vnc_display_init(ds); | |
6006 | if (vnc_display_open(ds, vnc_display) < 0) | |
6007 | exit(1); | |
6008 | ||
6009 | if (show_vnc_port) { | |
6010 | printf("VNC server running on `%s'\n", vnc_display_local_addr(ds)); | |
6011 | } | |
6012 | break; | |
6013 | default: | |
6014 | break; | |
6015 | } | |
6016 | dpy_resize(ds); | |
6017 | ||
6018 | dcl = ds->listeners; | |
6019 | while (dcl != NULL) { | |
6020 | if (dcl->dpy_refresh != NULL) { | |
6021 | ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds); | |
6022 | qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock)); | |
6023 | } | |
6024 | dcl = dcl->next; | |
6025 | } | |
6026 | ||
6027 | if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) { | |
6028 | nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL); | |
6029 | qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock)); | |
6030 | } | |
6031 | ||
6032 | text_consoles_set_display(display_state); | |
6033 | ||
6034 | if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) | |
6035 | exit(1); | |
6036 | ||
6037 | if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { | |
6038 | fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n", | |
6039 | gdbstub_dev); | |
6040 | exit(1); | |
6041 | } | |
6042 | ||
6043 | qdev_machine_creation_done(); | |
6044 | ||
6045 | if (rom_load_all() != 0) { | |
6046 | fprintf(stderr, "rom loading failed\n"); | |
6047 | exit(1); | |
6048 | } | |
6049 | ||
6050 | qemu_system_reset(); | |
6051 | if (loadvm) { | |
6052 | if (load_vmstate(cur_mon, loadvm) < 0) { | |
6053 | autostart = 0; | |
6054 | } | |
6055 | } | |
6056 | ||
6057 | if (incoming) { | |
6058 | qemu_start_incoming_migration(incoming); | |
6059 | } else if (autostart) { | |
6060 | vm_start(); | |
6061 | } | |
6062 | ||
6063 | #ifndef _WIN32 | |
6064 | if (daemonize) { | |
6065 | uint8_t status = 0; | |
6066 | ssize_t len; | |
6067 | ||
6068 | again1: | |
6069 | len = write(fds[1], &status, 1); | |
6070 | if (len == -1 && (errno == EINTR)) | |
6071 | goto again1; | |
6072 | ||
6073 | if (len != 1) | |
6074 | exit(1); | |
6075 | ||
6076 | chdir("/"); | |
6077 | TFR(fd = qemu_open("/dev/null", O_RDWR)); | |
6078 | if (fd == -1) | |
6079 | exit(1); | |
6080 | } | |
6081 | ||
6082 | if (run_as) { | |
6083 | pwd = getpwnam(run_as); | |
6084 | if (!pwd) { | |
6085 | fprintf(stderr, "User \"%s\" doesn't exist\n", run_as); | |
6086 | exit(1); | |
6087 | } | |
6088 | } | |
6089 | ||
6090 | if (chroot_dir) { | |
6091 | if (chroot(chroot_dir) < 0) { | |
6092 | fprintf(stderr, "chroot failed\n"); | |
6093 | exit(1); | |
6094 | } | |
6095 | chdir("/"); | |
6096 | } | |
6097 | ||
6098 | if (run_as) { | |
6099 | if (setgid(pwd->pw_gid) < 0) { | |
6100 | fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid); | |
6101 | exit(1); | |
6102 | } | |
6103 | if (setuid(pwd->pw_uid) < 0) { | |
6104 | fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid); | |
6105 | exit(1); | |
6106 | } | |
6107 | if (setuid(0) != -1) { | |
6108 | fprintf(stderr, "Dropping privileges failed\n"); | |
6109 | exit(1); | |
6110 | } | |
6111 | } | |
6112 | ||
6113 | if (daemonize) { | |
6114 | dup2(fd, 0); | |
6115 | dup2(fd, 1); | |
6116 | dup2(fd, 2); | |
6117 | ||
6118 | close(fd); | |
6119 | } | |
6120 | #endif | |
6121 | ||
6122 | main_loop(); | |
6123 | quit_timers(); | |
6124 | net_cleanup(); | |
6125 | ||
6126 | return 0; | |
6127 | } |