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[qemu/mdroth.git] / vl.c
blob7038952dc6be9fc31f4dcf4875be501911effb84
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 <sys/times.h>
38 #include <sys/wait.h>
39 #include <termios.h>
40 #include <sys/mman.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
45 #include <net/if.h>
46 #include <arpa/inet.h>
47 #include <dirent.h>
48 #include <netdb.h>
49 #include <sys/select.h>
50 #ifdef CONFIG_SIMPLE_TRACE
51 #include "trace.h"
52 #endif
53
54 #ifdef CONFIG_BSD
55 #include <sys/stat.h>
56 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
57 #include <libutil.h>
58 #include <sys/sysctl.h>
59 #else
60 #include <util.h>
61 #endif
62 #else
63 #ifdef __linux__
64 #include <pty.h>
65 #include <malloc.h>
66
67 #include <linux/ppdev.h>
68 #include <linux/parport.h>
69 #endif
70 #ifdef __sun__
71 #include <sys/stat.h>
72 #include <sys/ethernet.h>
73 #include <sys/sockio.h>
74 #include <netinet/arp.h>
75 #include <netinet/in_systm.h>
76 #include <netinet/ip.h>
77 #include <netinet/ip_icmp.h> // must come after ip.h
78 #include <netinet/udp.h>
79 #include <netinet/tcp.h>
80 #include <net/if.h>
81 #include <syslog.h>
82 #include <stropts.h>
83 #endif
84 #endif
85 #endif
86
87 #if defined(__OpenBSD__)
88 #include <util.h>
89 #endif
90
91 #if defined(CONFIG_VDE)
92 #include <libvdeplug.h>
93 #endif
94
95 #ifdef _WIN32
96 #include <windows.h>
97 #endif
98
99 #ifdef CONFIG_SDL
100 #if defined(__APPLE__) || defined(main)
101 #include <SDL.h>
102 int qemu_main(int argc, char **argv, char **envp);
103 int main(int argc, char **argv)
104 {
105 return qemu_main(argc, argv, NULL);
106 }
107 #undef main
108 #define main qemu_main
109 #endif
110 #endif /* CONFIG_SDL */
111
112 #ifdef CONFIG_COCOA
113 #undef main
114 #define main qemu_main
115 #endif /* CONFIG_COCOA */
116
117 #include "hw/hw.h"
118 #include "hw/boards.h"
119 #include "hw/usb.h"
120 #include "hw/pcmcia.h"
121 #include "hw/pc.h"
122 #include "hw/isa.h"
123 #include "hw/baum.h"
124 #include "hw/bt.h"
125 #include "hw/watchdog.h"
126 #include "hw/smbios.h"
127 #include "hw/xen.h"
128 #include "hw/qdev.h"
129 #include "hw/loader.h"
130 #include "bt-host.h"
131 #include "net.h"
132 #include "net/slirp.h"
133 #include "monitor.h"
134 #include "console.h"
135 #include "sysemu.h"
136 #include "gdbstub.h"
137 #include "qemu-timer.h"
138 #include "qemu-char.h"
139 #include "cache-utils.h"
140 #include "block.h"
141 #include "blockdev.h"
142 #include "block-migration.h"
143 #include "dma.h"
144 #include "audio/audio.h"
145 #include "migration.h"
146 #include "kvm.h"
147 #include "qemu-option.h"
148 #include "qemu-config.h"
149 #include "qemu-objects.h"
150 #include "qemu-options.h"
151 #ifdef CONFIG_VIRTFS
152 #include "fsdev/qemu-fsdev.h"
153 #endif
154
155 #include "disas.h"
156
157 #include "qemu_socket.h"
158
159 #include "slirp/libslirp.h"
160
161 #include "qemu-queue.h"
162 #include "cpus.h"
163 #include "arch_init.h"
164
165 #include "ui/qemu-spice.h"
166
167 //#define DEBUG_NET
168 //#define DEBUG_SLIRP
169
170 #define DEFAULT_RAM_SIZE 128
171
172 #define MAX_VIRTIO_CONSOLES 1
173
174 static const char *data_dir;
175 const char *bios_name = NULL;
176 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
177 DisplayType display_type = DT_DEFAULT;
178 int display_remote = 0;
179 const char* keyboard_layout = NULL;
180 ram_addr_t ram_size;
181 const char *mem_path = NULL;
182 #ifdef MAP_POPULATE
183 int mem_prealloc = 0; /* force preallocation of physical target memory */
184 #endif
185 int nb_nics;
186 NICInfo nd_table[MAX_NICS];
187 int vm_running;
188 int autostart;
189 int incoming_expected; /* Started with -incoming and waiting for incoming */
190 static int rtc_utc = 1;
191 static int rtc_date_offset = -1; /* -1 means no change */
192 QEMUClock *rtc_clock;
193 int vga_interface_type = VGA_NONE;
194 static int full_screen = 0;
195 #ifdef CONFIG_SDL
196 static int no_frame = 0;
197 #endif
198 int no_quit = 0;
199 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
200 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
201 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
202 int win2k_install_hack = 0;
203 int rtc_td_hack = 0;
204 int usb_enabled = 0;
205 int singlestep = 0;
206 int smp_cpus = 1;
207 int max_cpus = 0;
208 int smp_cores = 1;
209 int smp_threads = 1;
210 const char *vnc_display;
211 int acpi_enabled = 1;
212 int no_hpet = 0;
213 int fd_bootchk = 1;
214 int no_reboot = 0;
215 int no_shutdown = 0;
216 int cursor_hide = 1;
217 int graphic_rotate = 0;
218 uint8_t irq0override = 1;
219 const char *watchdog;
220 const char *option_rom[MAX_OPTION_ROMS];
221 int nb_option_roms;
222 int semihosting_enabled = 0;
223 int old_param = 0;
224 const char *qemu_name;
225 int alt_grab = 0;
226 int ctrl_grab = 0;
227 unsigned int nb_prom_envs = 0;
228 const char *prom_envs[MAX_PROM_ENVS];
229 int boot_menu;
230
231 int nb_numa_nodes;
232 uint64_t node_mem[MAX_NODES];
233 uint64_t node_cpumask[MAX_NODES];
234
235 static QEMUTimer *nographic_timer;
236
237 uint8_t qemu_uuid[16];
238
239 static QEMUBootSetHandler *boot_set_handler;
240 static void *boot_set_opaque;
241
242 static NotifierList exit_notifiers =
243 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
244
245 int kvm_allowed = 0;
246 uint32_t xen_domid;
247 enum xen_mode xen_mode = XEN_EMULATE;
248
249 static int default_serial = 1;
250 static int default_parallel = 1;
251 static int default_virtcon = 1;
252 static int default_monitor = 1;
253 static int default_vga = 1;
254 static int default_floppy = 1;
255 static int default_cdrom = 1;
256 static int default_sdcard = 1;
257
258 static struct {
259 const char *driver;
260 int *flag;
261 } default_list[] = {
262 { .driver = "isa-serial", .flag = &default_serial },
263 { .driver = "isa-parallel", .flag = &default_parallel },
264 { .driver = "isa-fdc", .flag = &default_floppy },
265 { .driver = "ide-drive", .flag = &default_cdrom },
266 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
267 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
268 { .driver = "virtio-serial", .flag = &default_virtcon },
269 { .driver = "VGA", .flag = &default_vga },
270 { .driver = "cirrus-vga", .flag = &default_vga },
271 { .driver = "vmware-svga", .flag = &default_vga },
272 };
273
274 static int default_driver_check(QemuOpts *opts, void *opaque)
275 {
276 const char *driver = qemu_opt_get(opts, "driver");
277 int i;
278
279 if (!driver)
280 return 0;
281 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
282 if (strcmp(default_list[i].driver, driver) != 0)
283 continue;
284 *(default_list[i].flag) = 0;
285 }
286 return 0;
287 }
288
289 /***********************************************************/
290 /* real time host monotonic timer */
291
292 /***********************************************************/
293 /* host time/date access */
294 void qemu_get_timedate(struct tm *tm, int offset)
295 {
296 time_t ti;
297 struct tm *ret;
298
299 time(&ti);
300 ti += offset;
301 if (rtc_date_offset == -1) {
302 if (rtc_utc)
303 ret = gmtime(&ti);
304 else
305 ret = localtime(&ti);
306 } else {
307 ti -= rtc_date_offset;
308 ret = gmtime(&ti);
309 }
310
311 memcpy(tm, ret, sizeof(struct tm));
312 }
313
314 int qemu_timedate_diff(struct tm *tm)
315 {
316 time_t seconds;
317
318 if (rtc_date_offset == -1)
319 if (rtc_utc)
320 seconds = mktimegm(tm);
321 else
322 seconds = mktime(tm);
323 else
324 seconds = mktimegm(tm) + rtc_date_offset;
325
326 return seconds - time(NULL);
327 }
328
329 void rtc_change_mon_event(struct tm *tm)
330 {
331 QObject *data;
332
333 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
334 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
335 qobject_decref(data);
336 }
337
338 static void configure_rtc_date_offset(const char *startdate, int legacy)
339 {
340 time_t rtc_start_date;
341 struct tm tm;
342
343 if (!strcmp(startdate, "now") && legacy) {
344 rtc_date_offset = -1;
345 } else {
346 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
347 &tm.tm_year,
348 &tm.tm_mon,
349 &tm.tm_mday,
350 &tm.tm_hour,
351 &tm.tm_min,
352 &tm.tm_sec) == 6) {
353 /* OK */
354 } else if (sscanf(startdate, "%d-%d-%d",
355 &tm.tm_year,
356 &tm.tm_mon,
357 &tm.tm_mday) == 3) {
358 tm.tm_hour = 0;
359 tm.tm_min = 0;
360 tm.tm_sec = 0;
361 } else {
362 goto date_fail;
363 }
364 tm.tm_year -= 1900;
365 tm.tm_mon--;
366 rtc_start_date = mktimegm(&tm);
367 if (rtc_start_date == -1) {
368 date_fail:
369 fprintf(stderr, "Invalid date format. Valid formats are:\n"
370 "'2006-06-17T16:01:21' or '2006-06-17'\n");
371 exit(1);
372 }
373 rtc_date_offset = time(NULL) - rtc_start_date;
374 }
375 }
376
377 static void configure_rtc(QemuOpts *opts)
378 {
379 const char *value;
380
381 value = qemu_opt_get(opts, "base");
382 if (value) {
383 if (!strcmp(value, "utc")) {
384 rtc_utc = 1;
385 } else if (!strcmp(value, "localtime")) {
386 rtc_utc = 0;
387 } else {
388 configure_rtc_date_offset(value, 0);
389 }
390 }
391 value = qemu_opt_get(opts, "clock");
392 if (value) {
393 if (!strcmp(value, "host")) {
394 rtc_clock = host_clock;
395 } else if (!strcmp(value, "vm")) {
396 rtc_clock = vm_clock;
397 } else {
398 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
399 exit(1);
400 }
401 }
402 value = qemu_opt_get(opts, "driftfix");
403 if (value) {
404 if (!strcmp(value, "slew")) {
405 rtc_td_hack = 1;
406 } else if (!strcmp(value, "none")) {
407 rtc_td_hack = 0;
408 } else {
409 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
410 exit(1);
411 }
412 }
413 }
414
415 /***********************************************************/
416 /* Bluetooth support */
417 static int nb_hcis;
418 static int cur_hci;
419 static struct HCIInfo *hci_table[MAX_NICS];
420
421 static struct bt_vlan_s {
422 struct bt_scatternet_s net;
423 int id;
424 struct bt_vlan_s *next;
425 } *first_bt_vlan;
426
427 /* find or alloc a new bluetooth "VLAN" */
428 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
429 {
430 struct bt_vlan_s **pvlan, *vlan;
431 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
432 if (vlan->id == id)
433 return &vlan->net;
434 }
435 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
436 vlan->id = id;
437 pvlan = &first_bt_vlan;
438 while (*pvlan != NULL)
439 pvlan = &(*pvlan)->next;
440 *pvlan = vlan;
441 return &vlan->net;
442 }
443
444 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
445 {
446 }
447
448 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
449 {
450 return -ENOTSUP;
451 }
452
453 static struct HCIInfo null_hci = {
454 .cmd_send = null_hci_send,
455 .sco_send = null_hci_send,
456 .acl_send = null_hci_send,
457 .bdaddr_set = null_hci_addr_set,
458 };
459
460 struct HCIInfo *qemu_next_hci(void)
461 {
462 if (cur_hci == nb_hcis)
463 return &null_hci;
464
465 return hci_table[cur_hci++];
466 }
467
468 static struct HCIInfo *hci_init(const char *str)
469 {
470 char *endp;
471 struct bt_scatternet_s *vlan = 0;
472
473 if (!strcmp(str, "null"))
474 /* null */
475 return &null_hci;
476 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
477 /* host[:hciN] */
478 return bt_host_hci(str[4] ? str + 5 : "hci0");
479 else if (!strncmp(str, "hci", 3)) {
480 /* hci[,vlan=n] */
481 if (str[3]) {
482 if (!strncmp(str + 3, ",vlan=", 6)) {
483 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
484 if (*endp)
485 vlan = 0;
486 }
487 } else
488 vlan = qemu_find_bt_vlan(0);
489 if (vlan)
490 return bt_new_hci(vlan);
491 }
492
493 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
494
495 return 0;
496 }
497
498 static int bt_hci_parse(const char *str)
499 {
500 struct HCIInfo *hci;
501 bdaddr_t bdaddr;
502
503 if (nb_hcis >= MAX_NICS) {
504 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
505 return -1;
506 }
507
508 hci = hci_init(str);
509 if (!hci)
510 return -1;
511
512 bdaddr.b[0] = 0x52;
513 bdaddr.b[1] = 0x54;
514 bdaddr.b[2] = 0x00;
515 bdaddr.b[3] = 0x12;
516 bdaddr.b[4] = 0x34;
517 bdaddr.b[5] = 0x56 + nb_hcis;
518 hci->bdaddr_set(hci, bdaddr.b);
519
520 hci_table[nb_hcis++] = hci;
521
522 return 0;
523 }
524
525 static void bt_vhci_add(int vlan_id)
526 {
527 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
528
529 if (!vlan->slave)
530 fprintf(stderr, "qemu: warning: adding a VHCI to "
531 "an empty scatternet %i\n", vlan_id);
532
533 bt_vhci_init(bt_new_hci(vlan));
534 }
535
536 static struct bt_device_s *bt_device_add(const char *opt)
537 {
538 struct bt_scatternet_s *vlan;
539 int vlan_id = 0;
540 char *endp = strstr(opt, ",vlan=");
541 int len = (endp ? endp - opt : strlen(opt)) + 1;
542 char devname[10];
543
544 pstrcpy(devname, MIN(sizeof(devname), len), opt);
545
546 if (endp) {
547 vlan_id = strtol(endp + 6, &endp, 0);
548 if (*endp) {
549 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
550 return 0;
551 }
552 }
553
554 vlan = qemu_find_bt_vlan(vlan_id);
555
556 if (!vlan->slave)
557 fprintf(stderr, "qemu: warning: adding a slave device to "
558 "an empty scatternet %i\n", vlan_id);
559
560 if (!strcmp(devname, "keyboard"))
561 return bt_keyboard_init(vlan);
562
563 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
564 return 0;
565 }
566
567 static int bt_parse(const char *opt)
568 {
569 const char *endp, *p;
570 int vlan;
571
572 if (strstart(opt, "hci", &endp)) {
573 if (!*endp || *endp == ',') {
574 if (*endp)
575 if (!strstart(endp, ",vlan=", 0))
576 opt = endp + 1;
577
578 return bt_hci_parse(opt);
579 }
580 } else if (strstart(opt, "vhci", &endp)) {
581 if (!*endp || *endp == ',') {
582 if (*endp) {
583 if (strstart(endp, ",vlan=", &p)) {
584 vlan = strtol(p, (char **) &endp, 0);
585 if (*endp) {
586 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
587 return 1;
588 }
589 } else {
590 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
591 return 1;
592 }
593 } else
594 vlan = 0;
595
596 bt_vhci_add(vlan);
597 return 0;
598 }
599 } else if (strstart(opt, "device:", &endp))
600 return !bt_device_add(endp);
601
602 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
603 return 1;
604 }
605
606 /***********************************************************/
607 /* QEMU Block devices */
608
609 #define HD_ALIAS "index=%d,media=disk"
610 #define CDROM_ALIAS "index=2,media=cdrom"
611 #define FD_ALIAS "index=%d,if=floppy"
612 #define PFLASH_ALIAS "if=pflash"
613 #define MTD_ALIAS "if=mtd"
614 #define SD_ALIAS "index=0,if=sd"
615
616 static int drive_init_func(QemuOpts *opts, void *opaque)
617 {
618 int *use_scsi = opaque;
619 int fatal_error = 0;
620
621 if (drive_init(opts, *use_scsi, &fatal_error) == NULL) {
622 if (fatal_error)
623 return 1;
624 }
625 return 0;
626 }
627
628 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
629 {
630 if (NULL == qemu_opt_get(opts, "snapshot")) {
631 qemu_opt_set(opts, "snapshot", "on");
632 }
633 return 0;
634 }
635
636 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
637 {
638 boot_set_handler = func;
639 boot_set_opaque = opaque;
640 }
641
642 int qemu_boot_set(const char *boot_devices)
643 {
644 if (!boot_set_handler) {
645 return -EINVAL;
646 }
647 return boot_set_handler(boot_set_opaque, boot_devices);
648 }
649
650 static void validate_bootdevices(char *devices)
651 {
652 /* We just do some generic consistency checks */
653 const char *p;
654 int bitmap = 0;
655
656 for (p = devices; *p != '\0'; p++) {
657 /* Allowed boot devices are:
658 * a-b: floppy disk drives
659 * c-f: IDE disk drives
660 * g-m: machine implementation dependant drives
661 * n-p: network devices
662 * It's up to each machine implementation to check if the given boot
663 * devices match the actual hardware implementation and firmware
664 * features.
665 */
666 if (*p < 'a' || *p > 'p') {
667 fprintf(stderr, "Invalid boot device '%c'\n", *p);
668 exit(1);
669 }
670 if (bitmap & (1 << (*p - 'a'))) {
671 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
672 exit(1);
673 }
674 bitmap |= 1 << (*p - 'a');
675 }
676 }
677
678 static void restore_boot_devices(void *opaque)
679 {
680 char *standard_boot_devices = opaque;
681 static int first = 1;
682
683 /* Restore boot order and remove ourselves after the first boot */
684 if (first) {
685 first = 0;
686 return;
687 }
688
689 qemu_boot_set(standard_boot_devices);
690
691 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
692 qemu_free(standard_boot_devices);
693 }
694
695 static void numa_add(const char *optarg)
696 {
697 char option[128];
698 char *endptr;
699 unsigned long long value, endvalue;
700 int nodenr;
701
702 optarg = get_opt_name(option, 128, optarg, ',') + 1;
703 if (!strcmp(option, "node")) {
704 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
705 nodenr = nb_numa_nodes;
706 } else {
707 nodenr = strtoull(option, NULL, 10);
708 }
709
710 if (get_param_value(option, 128, "mem", optarg) == 0) {
711 node_mem[nodenr] = 0;
712 } else {
713 value = strtoull(option, &endptr, 0);
714 switch (*endptr) {
715 case 0: case 'M': case 'm':
716 value <<= 20;
717 break;
718 case 'G': case 'g':
719 value <<= 30;
720 break;
721 }
722 node_mem[nodenr] = value;
723 }
724 if (get_param_value(option, 128, "cpus", optarg) == 0) {
725 node_cpumask[nodenr] = 0;
726 } else {
727 value = strtoull(option, &endptr, 10);
728 if (value >= 64) {
729 value = 63;
730 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
731 } else {
732 if (*endptr == '-') {
733 endvalue = strtoull(endptr+1, &endptr, 10);
734 if (endvalue >= 63) {
735 endvalue = 62;
736 fprintf(stderr,
737 "only 63 CPUs in NUMA mode supported.\n");
738 }
739 value = (2ULL << endvalue) - (1ULL << value);
740 } else {
741 value = 1ULL << value;
742 }
743 }
744 node_cpumask[nodenr] = value;
745 }
746 nb_numa_nodes++;
747 }
748 return;
749 }
750
751 static void smp_parse(const char *optarg)
752 {
753 int smp, sockets = 0, threads = 0, cores = 0;
754 char *endptr;
755 char option[128];
756
757 smp = strtoul(optarg, &endptr, 10);
758 if (endptr != optarg) {
759 if (*endptr == ',') {
760 endptr++;
761 }
762 }
763 if (get_param_value(option, 128, "sockets", endptr) != 0)
764 sockets = strtoull(option, NULL, 10);
765 if (get_param_value(option, 128, "cores", endptr) != 0)
766 cores = strtoull(option, NULL, 10);
767 if (get_param_value(option, 128, "threads", endptr) != 0)
768 threads = strtoull(option, NULL, 10);
769 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
770 max_cpus = strtoull(option, NULL, 10);
771
772 /* compute missing values, prefer sockets over cores over threads */
773 if (smp == 0 || sockets == 0) {
774 sockets = sockets > 0 ? sockets : 1;
775 cores = cores > 0 ? cores : 1;
776 threads = threads > 0 ? threads : 1;
777 if (smp == 0) {
778 smp = cores * threads * sockets;
779 }
780 } else {
781 if (cores == 0) {
782 threads = threads > 0 ? threads : 1;
783 cores = smp / (sockets * threads);
784 } else {
785 threads = smp / (cores * sockets);
786 }
787 }
788 smp_cpus = smp;
789 smp_cores = cores > 0 ? cores : 1;
790 smp_threads = threads > 0 ? threads : 1;
791 if (max_cpus == 0)
792 max_cpus = smp_cpus;
793 }
794
795 /***********************************************************/
796 /* USB devices */
797
798 static int usb_device_add(const char *devname)
799 {
800 const char *p;
801 USBDevice *dev = NULL;
802
803 if (!usb_enabled)
804 return -1;
805
806 /* drivers with .usbdevice_name entry in USBDeviceInfo */
807 dev = usbdevice_create(devname);
808 if (dev)
809 goto done;
810
811 /* the other ones */
812 if (strstart(devname, "host:", &p)) {
813 dev = usb_host_device_open(p);
814 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
815 dev = usb_bt_init(devname[2] ? hci_init(p) :
816 bt_new_hci(qemu_find_bt_vlan(0)));
817 } else {
818 return -1;
819 }
820 if (!dev)
821 return -1;
822
823 done:
824 return 0;
825 }
826
827 static int usb_device_del(const char *devname)
828 {
829 int bus_num, addr;
830 const char *p;
831
832 if (strstart(devname, "host:", &p))
833 return usb_host_device_close(p);
834
835 if (!usb_enabled)
836 return -1;
837
838 p = strchr(devname, '.');
839 if (!p)
840 return -1;
841 bus_num = strtoul(devname, NULL, 0);
842 addr = strtoul(p + 1, NULL, 0);
843
844 return usb_device_delete_addr(bus_num, addr);
845 }
846
847 static int usb_parse(const char *cmdline)
848 {
849 int r;
850 r = usb_device_add(cmdline);
851 if (r < 0) {
852 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
853 }
854 return r;
855 }
856
857 void do_usb_add(Monitor *mon, const QDict *qdict)
858 {
859 const char *devname = qdict_get_str(qdict, "devname");
860 if (usb_device_add(devname) < 0) {
861 error_report("could not add USB device '%s'", devname);
862 }
863 }
864
865 void do_usb_del(Monitor *mon, const QDict *qdict)
866 {
867 const char *devname = qdict_get_str(qdict, "devname");
868 if (usb_device_del(devname) < 0) {
869 error_report("could not delete USB device '%s'", devname);
870 }
871 }
872
873 /***********************************************************/
874 /* PCMCIA/Cardbus */
875
876 static struct pcmcia_socket_entry_s {
877 PCMCIASocket *socket;
878 struct pcmcia_socket_entry_s *next;
879 } *pcmcia_sockets = 0;
880
881 void pcmcia_socket_register(PCMCIASocket *socket)
882 {
883 struct pcmcia_socket_entry_s *entry;
884
885 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
886 entry->socket = socket;
887 entry->next = pcmcia_sockets;
888 pcmcia_sockets = entry;
889 }
890
891 void pcmcia_socket_unregister(PCMCIASocket *socket)
892 {
893 struct pcmcia_socket_entry_s *entry, **ptr;
894
895 ptr = &pcmcia_sockets;
896 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
897 if (entry->socket == socket) {
898 *ptr = entry->next;
899 qemu_free(entry);
900 }
901 }
902
903 void pcmcia_info(Monitor *mon)
904 {
905 struct pcmcia_socket_entry_s *iter;
906
907 if (!pcmcia_sockets)
908 monitor_printf(mon, "No PCMCIA sockets\n");
909
910 for (iter = pcmcia_sockets; iter; iter = iter->next)
911 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
912 iter->socket->attached ? iter->socket->card_string :
913 "Empty");
914 }
915
916 /***********************************************************/
917 /* I/O handling */
918
919 typedef struct IOHandlerRecord {
920 int fd;
921 IOCanReadHandler *fd_read_poll;
922 IOHandler *fd_read;
923 IOHandler *fd_write;
924 int deleted;
925 void *opaque;
926 /* temporary data */
927 struct pollfd *ufd;
928 QLIST_ENTRY(IOHandlerRecord) next;
929 } IOHandlerRecord;
930
931 static QLIST_HEAD(, IOHandlerRecord) io_handlers =
932 QLIST_HEAD_INITIALIZER(io_handlers);
933
934
935 /* XXX: fd_read_poll should be suppressed, but an API change is
936 necessary in the character devices to suppress fd_can_read(). */
937 int qemu_set_fd_handler2(int fd,
938 IOCanReadHandler *fd_read_poll,
939 IOHandler *fd_read,
940 IOHandler *fd_write,
941 void *opaque)
942 {
943 IOHandlerRecord *ioh;
944
945 if (!fd_read && !fd_write) {
946 QLIST_FOREACH(ioh, &io_handlers, next) {
947 if (ioh->fd == fd) {
948 ioh->deleted = 1;
949 break;
950 }
951 }
952 } else {
953 QLIST_FOREACH(ioh, &io_handlers, next) {
954 if (ioh->fd == fd)
955 goto found;
956 }
957 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
958 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
959 found:
960 ioh->fd = fd;
961 ioh->fd_read_poll = fd_read_poll;
962 ioh->fd_read = fd_read;
963 ioh->fd_write = fd_write;
964 ioh->opaque = opaque;
965 ioh->deleted = 0;
966 }
967 return 0;
968 }
969
970 int qemu_set_fd_handler(int fd,
971 IOHandler *fd_read,
972 IOHandler *fd_write,
973 void *opaque)
974 {
975 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
976 }
977
978 /***********************************************************/
979 /* machine registration */
980
981 static QEMUMachine *first_machine = NULL;
982 QEMUMachine *current_machine = NULL;
983
984 int qemu_register_machine(QEMUMachine *m)
985 {
986 QEMUMachine **pm;
987 pm = &first_machine;
988 while (*pm != NULL)
989 pm = &(*pm)->next;
990 m->next = NULL;
991 *pm = m;
992 return 0;
993 }
994
995 static QEMUMachine *find_machine(const char *name)
996 {
997 QEMUMachine *m;
998
999 for(m = first_machine; m != NULL; m = m->next) {
1000 if (!strcmp(m->name, name))
1001 return m;
1002 if (m->alias && !strcmp(m->alias, name))
1003 return m;
1004 }
1005 return NULL;
1006 }
1007
1008 static QEMUMachine *find_default_machine(void)
1009 {
1010 QEMUMachine *m;
1011
1012 for(m = first_machine; m != NULL; m = m->next) {
1013 if (m->is_default) {
1014 return m;
1015 }
1016 }
1017 return NULL;
1018 }
1019
1020 /***********************************************************/
1021 /* main execution loop */
1022
1023 static void gui_update(void *opaque)
1024 {
1025 uint64_t interval = GUI_REFRESH_INTERVAL;
1026 DisplayState *ds = opaque;
1027 DisplayChangeListener *dcl = ds->listeners;
1028
1029 qemu_flush_coalesced_mmio_buffer();
1030 dpy_refresh(ds);
1031
1032 while (dcl != NULL) {
1033 if (dcl->gui_timer_interval &&
1034 dcl->gui_timer_interval < interval)
1035 interval = dcl->gui_timer_interval;
1036 dcl = dcl->next;
1037 }
1038 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1039 }
1040
1041 static void nographic_update(void *opaque)
1042 {
1043 uint64_t interval = GUI_REFRESH_INTERVAL;
1044
1045 qemu_flush_coalesced_mmio_buffer();
1046 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1047 }
1048
1049 struct vm_change_state_entry {
1050 VMChangeStateHandler *cb;
1051 void *opaque;
1052 QLIST_ENTRY (vm_change_state_entry) entries;
1053 };
1054
1055 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1056
1057 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1058 void *opaque)
1059 {
1060 VMChangeStateEntry *e;
1061
1062 e = qemu_mallocz(sizeof (*e));
1063
1064 e->cb = cb;
1065 e->opaque = opaque;
1066 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1067 return e;
1068 }
1069
1070 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1071 {
1072 QLIST_REMOVE (e, entries);
1073 qemu_free (e);
1074 }
1075
1076 void vm_state_notify(int running, int reason)
1077 {
1078 VMChangeStateEntry *e;
1079
1080 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1081 e->cb(e->opaque, running, reason);
1082 }
1083 }
1084
1085 void vm_start(void)
1086 {
1087 if (!vm_running) {
1088 cpu_enable_ticks();
1089 vm_running = 1;
1090 vm_state_notify(1, 0);
1091 resume_all_vcpus();
1092 monitor_protocol_event(QEVENT_RESUME, NULL);
1093 }
1094 }
1095
1096 /* reset/shutdown handler */
1097
1098 typedef struct QEMUResetEntry {
1099 QTAILQ_ENTRY(QEMUResetEntry) entry;
1100 QEMUResetHandler *func;
1101 void *opaque;
1102 } QEMUResetEntry;
1103
1104 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1105 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1106 static int reset_requested;
1107 static int shutdown_requested;
1108 static int powerdown_requested;
1109 int debug_requested;
1110 int vmstop_requested;
1111
1112 int qemu_shutdown_requested(void)
1113 {
1114 int r = shutdown_requested;
1115 shutdown_requested = 0;
1116 return r;
1117 }
1118
1119 int qemu_reset_requested(void)
1120 {
1121 int r = reset_requested;
1122 reset_requested = 0;
1123 return r;
1124 }
1125
1126 int qemu_powerdown_requested(void)
1127 {
1128 int r = powerdown_requested;
1129 powerdown_requested = 0;
1130 return r;
1131 }
1132
1133 static int qemu_debug_requested(void)
1134 {
1135 int r = debug_requested;
1136 debug_requested = 0;
1137 return r;
1138 }
1139
1140 static int qemu_vmstop_requested(void)
1141 {
1142 int r = vmstop_requested;
1143 vmstop_requested = 0;
1144 return r;
1145 }
1146
1147 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1148 {
1149 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1150
1151 re->func = func;
1152 re->opaque = opaque;
1153 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1154 }
1155
1156 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1157 {
1158 QEMUResetEntry *re;
1159
1160 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1161 if (re->func == func && re->opaque == opaque) {
1162 QTAILQ_REMOVE(&reset_handlers, re, entry);
1163 qemu_free(re);
1164 return;
1165 }
1166 }
1167 }
1168
1169 void qemu_system_reset(void)
1170 {
1171 QEMUResetEntry *re, *nre;
1172
1173 /* reset all devices */
1174 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1175 re->func(re->opaque);
1176 }
1177 monitor_protocol_event(QEVENT_RESET, NULL);
1178 cpu_synchronize_all_post_reset();
1179 }
1180
1181 void qemu_system_reset_request(void)
1182 {
1183 if (no_reboot) {
1184 shutdown_requested = 1;
1185 } else {
1186 reset_requested = 1;
1187 }
1188 qemu_notify_event();
1189 }
1190
1191 void qemu_system_shutdown_request(void)
1192 {
1193 shutdown_requested = 1;
1194 qemu_notify_event();
1195 }
1196
1197 void qemu_system_powerdown_request(void)
1198 {
1199 powerdown_requested = 1;
1200 qemu_notify_event();
1201 }
1202
1203 void main_loop_wait(int nonblocking)
1204 {
1205 IOHandlerRecord *ioh;
1206 fd_set rfds, wfds, xfds;
1207 int ret, nfds;
1208 struct timeval tv;
1209 int timeout;
1210
1211 if (nonblocking)
1212 timeout = 0;
1213 else {
1214 timeout = qemu_calculate_timeout();
1215 qemu_bh_update_timeout(&timeout);
1216 }
1217
1218 os_host_main_loop_wait(&timeout);
1219
1220 /* poll any events */
1221 /* XXX: separate device handlers from system ones */
1222 nfds = -1;
1223 FD_ZERO(&rfds);
1224 FD_ZERO(&wfds);
1225 FD_ZERO(&xfds);
1226 QLIST_FOREACH(ioh, &io_handlers, next) {
1227 if (ioh->deleted)
1228 continue;
1229 if (ioh->fd_read &&
1230 (!ioh->fd_read_poll ||
1231 ioh->fd_read_poll(ioh->opaque) != 0)) {
1232 FD_SET(ioh->fd, &rfds);
1233 if (ioh->fd > nfds)
1234 nfds = ioh->fd;
1235 }
1236 if (ioh->fd_write) {
1237 FD_SET(ioh->fd, &wfds);
1238 if (ioh->fd > nfds)
1239 nfds = ioh->fd;
1240 }
1241 }
1242
1243 tv.tv_sec = timeout / 1000;
1244 tv.tv_usec = (timeout % 1000) * 1000;
1245
1246 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1247
1248 qemu_mutex_unlock_iothread();
1249 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1250 qemu_mutex_lock_iothread();
1251 if (ret > 0) {
1252 IOHandlerRecord *pioh;
1253
1254 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1255 if (ioh->deleted) {
1256 QLIST_REMOVE(ioh, next);
1257 qemu_free(ioh);
1258 continue;
1259 }
1260 if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1261 ioh->fd_read(ioh->opaque);
1262 }
1263 if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1264 ioh->fd_write(ioh->opaque);
1265 }
1266 }
1267 }
1268
1269 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1270
1271 qemu_run_all_timers();
1272
1273 /* Check bottom-halves last in case any of the earlier events triggered
1274 them. */
1275 qemu_bh_poll();
1276
1277 }
1278
1279 static int vm_can_run(void)
1280 {
1281 if (powerdown_requested)
1282 return 0;
1283 if (reset_requested)
1284 return 0;
1285 if (shutdown_requested)
1286 return 0;
1287 if (debug_requested)
1288 return 0;
1289 return 1;
1290 }
1291
1292 qemu_irq qemu_system_powerdown;
1293
1294 static void main_loop(void)
1295 {
1296 int r;
1297
1298 qemu_main_loop_start();
1299
1300 for (;;) {
1301 do {
1302 bool nonblocking = false;
1303 #ifdef CONFIG_PROFILER
1304 int64_t ti;
1305 #endif
1306 #ifndef CONFIG_IOTHREAD
1307 nonblocking = cpu_exec_all();
1308 #endif
1309 #ifdef CONFIG_PROFILER
1310 ti = profile_getclock();
1311 #endif
1312 main_loop_wait(nonblocking);
1313 #ifdef CONFIG_PROFILER
1314 dev_time += profile_getclock() - ti;
1315 #endif
1316 } while (vm_can_run());
1317
1318 if ((r = qemu_debug_requested())) {
1319 vm_stop(r);
1320 }
1321 if (qemu_shutdown_requested()) {
1322 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1323 if (no_shutdown) {
1324 vm_stop(0);
1325 no_shutdown = 0;
1326 } else
1327 break;
1328 }
1329 if (qemu_reset_requested()) {
1330 pause_all_vcpus();
1331 qemu_system_reset();
1332 resume_all_vcpus();
1333 }
1334 if (qemu_powerdown_requested()) {
1335 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1336 qemu_irq_raise(qemu_system_powerdown);
1337 }
1338 if ((r = qemu_vmstop_requested())) {
1339 vm_stop(r);
1340 }
1341 }
1342 bdrv_close_all();
1343 pause_all_vcpus();
1344 }
1345
1346 static void version(void)
1347 {
1348 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1349 }
1350
1351 static void help(int exitcode)
1352 {
1353 const char *options_help =
1354 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1355 opt_help
1356 #define DEFHEADING(text) stringify(text) "\n"
1357 #include "qemu-options.def"
1358 #undef DEF
1359 #undef DEFHEADING
1360 #undef GEN_DOCS
1361 ;
1362 version();
1363 printf("usage: %s [options] [disk_image]\n"
1364 "\n"
1365 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1366 "\n"
1367 "%s\n"
1368 "During emulation, the following keys are useful:\n"
1369 "ctrl-alt-f toggle full screen\n"
1370 "ctrl-alt-n switch to virtual console 'n'\n"
1371 "ctrl-alt toggle mouse and keyboard grab\n"
1372 "\n"
1373 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1374 "qemu",
1375 options_help);
1376 exit(exitcode);
1377 }
1378
1379 #define HAS_ARG 0x0001
1380
1381 typedef struct QEMUOption {
1382 const char *name;
1383 int flags;
1384 int index;
1385 uint32_t arch_mask;
1386 } QEMUOption;
1387
1388 static const QEMUOption qemu_options[] = {
1389 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1390 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1391 { option, opt_arg, opt_enum, arch_mask },
1392 #define DEFHEADING(text)
1393 #include "qemu-options.def"
1394 #undef DEF
1395 #undef DEFHEADING
1396 #undef GEN_DOCS
1397 { NULL },
1398 };
1399 static void select_vgahw (const char *p)
1400 {
1401 const char *opts;
1402
1403 default_vga = 0;
1404 vga_interface_type = VGA_NONE;
1405 if (strstart(p, "std", &opts)) {
1406 vga_interface_type = VGA_STD;
1407 } else if (strstart(p, "cirrus", &opts)) {
1408 vga_interface_type = VGA_CIRRUS;
1409 } else if (strstart(p, "vmware", &opts)) {
1410 vga_interface_type = VGA_VMWARE;
1411 } else if (strstart(p, "xenfb", &opts)) {
1412 vga_interface_type = VGA_XENFB;
1413 } else if (!strstart(p, "none", &opts)) {
1414 invalid_vga:
1415 fprintf(stderr, "Unknown vga type: %s\n", p);
1416 exit(1);
1417 }
1418 while (*opts) {
1419 const char *nextopt;
1420
1421 if (strstart(opts, ",retrace=", &nextopt)) {
1422 opts = nextopt;
1423 if (strstart(opts, "dumb", &nextopt))
1424 vga_retrace_method = VGA_RETRACE_DUMB;
1425 else if (strstart(opts, "precise", &nextopt))
1426 vga_retrace_method = VGA_RETRACE_PRECISE;
1427 else goto invalid_vga;
1428 } else goto invalid_vga;
1429 opts = nextopt;
1430 }
1431 }
1432
1433 static int balloon_parse(const char *arg)
1434 {
1435 QemuOpts *opts;
1436
1437 if (strcmp(arg, "none") == 0) {
1438 return 0;
1439 }
1440
1441 if (!strncmp(arg, "virtio", 6)) {
1442 if (arg[6] == ',') {
1443 /* have params -> parse them */
1444 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1445 if (!opts)
1446 return -1;
1447 } else {
1448 /* create empty opts */
1449 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1450 }
1451 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1452 return 0;
1453 }
1454
1455 return -1;
1456 }
1457
1458 char *qemu_find_file(int type, const char *name)
1459 {
1460 int len;
1461 const char *subdir;
1462 char *buf;
1463
1464 /* If name contains path separators then try it as a straight path. */
1465 if ((strchr(name, '/') || strchr(name, '\\'))
1466 && access(name, R_OK) == 0) {
1467 return qemu_strdup(name);
1468 }
1469 switch (type) {
1470 case QEMU_FILE_TYPE_BIOS:
1471 subdir = "";
1472 break;
1473 case QEMU_FILE_TYPE_KEYMAP:
1474 subdir = "keymaps/";
1475 break;
1476 default:
1477 abort();
1478 }
1479 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1480 buf = qemu_mallocz(len);
1481 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1482 if (access(buf, R_OK)) {
1483 qemu_free(buf);
1484 return NULL;
1485 }
1486 return buf;
1487 }
1488
1489 static int device_help_func(QemuOpts *opts, void *opaque)
1490 {
1491 return qdev_device_help(opts);
1492 }
1493
1494 static int device_init_func(QemuOpts *opts, void *opaque)
1495 {
1496 DeviceState *dev;
1497
1498 dev = qdev_device_add(opts);
1499 if (!dev)
1500 return -1;
1501 return 0;
1502 }
1503
1504 static int chardev_init_func(QemuOpts *opts, void *opaque)
1505 {
1506 CharDriverState *chr;
1507
1508 chr = qemu_chr_open_opts(opts, NULL);
1509 if (!chr)
1510 return -1;
1511 return 0;
1512 }
1513
1514 #ifdef CONFIG_VIRTFS
1515 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1516 {
1517 int ret;
1518 ret = qemu_fsdev_add(opts);
1519
1520 return ret;
1521 }
1522 #endif
1523
1524 static int mon_init_func(QemuOpts *opts, void *opaque)
1525 {
1526 CharDriverState *chr;
1527 const char *chardev;
1528 const char *mode;
1529 int flags;
1530
1531 mode = qemu_opt_get(opts, "mode");
1532 if (mode == NULL) {
1533 mode = "readline";
1534 }
1535 if (strcmp(mode, "readline") == 0) {
1536 flags = MONITOR_USE_READLINE;
1537 } else if (strcmp(mode, "control") == 0) {
1538 flags = MONITOR_USE_CONTROL;
1539 } else {
1540 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1541 exit(1);
1542 }
1543
1544 if (qemu_opt_get_bool(opts, "pretty", 0))
1545 flags |= MONITOR_USE_PRETTY;
1546
1547 if (qemu_opt_get_bool(opts, "default", 0))
1548 flags |= MONITOR_IS_DEFAULT;
1549
1550 chardev = qemu_opt_get(opts, "chardev");
1551 chr = qemu_chr_find(chardev);
1552 if (chr == NULL) {
1553 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1554 exit(1);
1555 }
1556
1557 monitor_init(chr, flags);
1558 return 0;
1559 }
1560
1561 static void monitor_parse(const char *optarg, const char *mode)
1562 {
1563 static int monitor_device_index = 0;
1564 QemuOpts *opts;
1565 const char *p;
1566 char label[32];
1567 int def = 0;
1568
1569 if (strstart(optarg, "chardev:", &p)) {
1570 snprintf(label, sizeof(label), "%s", p);
1571 } else {
1572 snprintf(label, sizeof(label), "compat_monitor%d",
1573 monitor_device_index);
1574 if (monitor_device_index == 0) {
1575 def = 1;
1576 }
1577 opts = qemu_chr_parse_compat(label, optarg);
1578 if (!opts) {
1579 fprintf(stderr, "parse error: %s\n", optarg);
1580 exit(1);
1581 }
1582 }
1583
1584 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1585 if (!opts) {
1586 fprintf(stderr, "duplicate chardev: %s\n", label);
1587 exit(1);
1588 }
1589 qemu_opt_set(opts, "mode", mode);
1590 qemu_opt_set(opts, "chardev", label);
1591 if (def)
1592 qemu_opt_set(opts, "default", "on");
1593 monitor_device_index++;
1594 }
1595
1596 struct device_config {
1597 enum {
1598 DEV_USB, /* -usbdevice */
1599 DEV_BT, /* -bt */
1600 DEV_SERIAL, /* -serial */
1601 DEV_PARALLEL, /* -parallel */
1602 DEV_VIRTCON, /* -virtioconsole */
1603 DEV_DEBUGCON, /* -debugcon */
1604 } type;
1605 const char *cmdline;
1606 QTAILQ_ENTRY(device_config) next;
1607 };
1608 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1609
1610 static void add_device_config(int type, const char *cmdline)
1611 {
1612 struct device_config *conf;
1613
1614 conf = qemu_mallocz(sizeof(*conf));
1615 conf->type = type;
1616 conf->cmdline = cmdline;
1617 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1618 }
1619
1620 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1621 {
1622 struct device_config *conf;
1623 int rc;
1624
1625 QTAILQ_FOREACH(conf, &device_configs, next) {
1626 if (conf->type != type)
1627 continue;
1628 rc = func(conf->cmdline);
1629 if (0 != rc)
1630 return rc;
1631 }
1632 return 0;
1633 }
1634
1635 static int serial_parse(const char *devname)
1636 {
1637 static int index = 0;
1638 char label[32];
1639
1640 if (strcmp(devname, "none") == 0)
1641 return 0;
1642 if (index == MAX_SERIAL_PORTS) {
1643 fprintf(stderr, "qemu: too many serial ports\n");
1644 exit(1);
1645 }
1646 snprintf(label, sizeof(label), "serial%d", index);
1647 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1648 if (!serial_hds[index]) {
1649 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1650 devname, strerror(errno));
1651 return -1;
1652 }
1653 index++;
1654 return 0;
1655 }
1656
1657 static int parallel_parse(const char *devname)
1658 {
1659 static int index = 0;
1660 char label[32];
1661
1662 if (strcmp(devname, "none") == 0)
1663 return 0;
1664 if (index == MAX_PARALLEL_PORTS) {
1665 fprintf(stderr, "qemu: too many parallel ports\n");
1666 exit(1);
1667 }
1668 snprintf(label, sizeof(label), "parallel%d", index);
1669 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1670 if (!parallel_hds[index]) {
1671 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1672 devname, strerror(errno));
1673 return -1;
1674 }
1675 index++;
1676 return 0;
1677 }
1678
1679 static int virtcon_parse(const char *devname)
1680 {
1681 QemuOptsList *device = qemu_find_opts("device");
1682 static int index = 0;
1683 char label[32];
1684 QemuOpts *bus_opts, *dev_opts;
1685
1686 if (strcmp(devname, "none") == 0)
1687 return 0;
1688 if (index == MAX_VIRTIO_CONSOLES) {
1689 fprintf(stderr, "qemu: too many virtio consoles\n");
1690 exit(1);
1691 }
1692
1693 bus_opts = qemu_opts_create(device, NULL, 0);
1694 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1695
1696 dev_opts = qemu_opts_create(device, NULL, 0);
1697 qemu_opt_set(dev_opts, "driver", "virtconsole");
1698
1699 snprintf(label, sizeof(label), "virtcon%d", index);
1700 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1701 if (!virtcon_hds[index]) {
1702 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1703 devname, strerror(errno));
1704 return -1;
1705 }
1706 qemu_opt_set(dev_opts, "chardev", label);
1707
1708 index++;
1709 return 0;
1710 }
1711
1712 static int debugcon_parse(const char *devname)
1713 {
1714 QemuOpts *opts;
1715
1716 if (!qemu_chr_open("debugcon", devname, NULL)) {
1717 exit(1);
1718 }
1719 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1720 if (!opts) {
1721 fprintf(stderr, "qemu: already have a debugcon device\n");
1722 exit(1);
1723 }
1724 qemu_opt_set(opts, "driver", "isa-debugcon");
1725 qemu_opt_set(opts, "chardev", "debugcon");
1726 return 0;
1727 }
1728
1729 void qemu_add_exit_notifier(Notifier *notify)
1730 {
1731 notifier_list_add(&exit_notifiers, notify);
1732 }
1733
1734 void qemu_remove_exit_notifier(Notifier *notify)
1735 {
1736 notifier_list_remove(&exit_notifiers, notify);
1737 }
1738
1739 static void qemu_run_exit_notifiers(void)
1740 {
1741 notifier_list_notify(&exit_notifiers);
1742 }
1743
1744 static const QEMUOption *lookup_opt(int argc, char **argv,
1745 const char **poptarg, int *poptind)
1746 {
1747 const QEMUOption *popt;
1748 int optind = *poptind;
1749 char *r = argv[optind];
1750 const char *optarg;
1751
1752 loc_set_cmdline(argv, optind, 1);
1753 optind++;
1754 /* Treat --foo the same as -foo. */
1755 if (r[1] == '-')
1756 r++;
1757 popt = qemu_options;
1758 for(;;) {
1759 if (!popt->name) {
1760 error_report("invalid option");
1761 exit(1);
1762 }
1763 if (!strcmp(popt->name, r + 1))
1764 break;
1765 popt++;
1766 }
1767 if (popt->flags & HAS_ARG) {
1768 if (optind >= argc) {
1769 error_report("requires an argument");
1770 exit(1);
1771 }
1772 optarg = argv[optind++];
1773 loc_set_cmdline(argv, optind - 2, 2);
1774 } else {
1775 optarg = NULL;
1776 }
1777
1778 *poptarg = optarg;
1779 *poptind = optind;
1780
1781 return popt;
1782 }
1783
1784 int main(int argc, char **argv, char **envp)
1785 {
1786 const char *gdbstub_dev = NULL;
1787 int i;
1788 int snapshot, linux_boot;
1789 const char *icount_option = NULL;
1790 const char *initrd_filename;
1791 const char *kernel_filename, *kernel_cmdline;
1792 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1793 DisplayState *ds;
1794 DisplayChangeListener *dcl;
1795 int cyls, heads, secs, translation;
1796 QemuOpts *hda_opts = NULL, *opts;
1797 QemuOptsList *olist;
1798 int optind;
1799 const char *optarg;
1800 const char *loadvm = NULL;
1801 QEMUMachine *machine;
1802 const char *cpu_model;
1803 int tb_size;
1804 const char *pid_file = NULL;
1805 const char *incoming = NULL;
1806 int show_vnc_port = 0;
1807 int defconfig = 1;
1808
1809 #ifdef CONFIG_SIMPLE_TRACE
1810 const char *trace_file = NULL;
1811 #endif
1812 atexit(qemu_run_exit_notifiers);
1813 error_set_progname(argv[0]);
1814
1815 init_clocks();
1816
1817 qemu_cache_utils_init(envp);
1818
1819 QLIST_INIT (&vm_change_state_head);
1820 os_setup_early_signal_handling();
1821
1822 module_call_init(MODULE_INIT_MACHINE);
1823 machine = find_default_machine();
1824 cpu_model = NULL;
1825 initrd_filename = NULL;
1826 ram_size = 0;
1827 snapshot = 0;
1828 kernel_filename = NULL;
1829 kernel_cmdline = "";
1830 cyls = heads = secs = 0;
1831 translation = BIOS_ATA_TRANSLATION_AUTO;
1832
1833 for (i = 0; i < MAX_NODES; i++) {
1834 node_mem[i] = 0;
1835 node_cpumask[i] = 0;
1836 }
1837
1838 nb_numa_nodes = 0;
1839 nb_nics = 0;
1840
1841 tb_size = 0;
1842 autostart= 1;
1843
1844 /* first pass of option parsing */
1845 optind = 1;
1846 while (optind < argc) {
1847 if (argv[optind][0] != '-') {
1848 /* disk image */
1849 optind++;
1850 continue;
1851 } else {
1852 const QEMUOption *popt;
1853
1854 popt = lookup_opt(argc, argv, &optarg, &optind);
1855 switch (popt->index) {
1856 case QEMU_OPTION_nodefconfig:
1857 defconfig=0;
1858 break;
1859 }
1860 }
1861 }
1862
1863 if (defconfig) {
1864 int ret;
1865
1866 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
1867 if (ret < 0 && ret != -ENOENT) {
1868 exit(1);
1869 }
1870
1871 ret = qemu_read_config_file(arch_config_name);
1872 if (ret < 0 && ret != -ENOENT) {
1873 exit(1);
1874 }
1875 }
1876 cpudef_init();
1877
1878 /* second pass of option parsing */
1879 optind = 1;
1880 for(;;) {
1881 if (optind >= argc)
1882 break;
1883 if (argv[optind][0] != '-') {
1884 hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
1885 } else {
1886 const QEMUOption *popt;
1887
1888 popt = lookup_opt(argc, argv, &optarg, &optind);
1889 if (!(popt->arch_mask & arch_type)) {
1890 printf("Option %s not supported for this target\n", popt->name);
1891 exit(1);
1892 }
1893 switch(popt->index) {
1894 case QEMU_OPTION_M:
1895 machine = find_machine(optarg);
1896 if (!machine) {
1897 QEMUMachine *m;
1898 printf("Supported machines are:\n");
1899 for(m = first_machine; m != NULL; m = m->next) {
1900 if (m->alias)
1901 printf("%-10s %s (alias of %s)\n",
1902 m->alias, m->desc, m->name);
1903 printf("%-10s %s%s\n",
1904 m->name, m->desc,
1905 m->is_default ? " (default)" : "");
1906 }
1907 exit(*optarg != '?');
1908 }
1909 break;
1910 case QEMU_OPTION_cpu:
1911 /* hw initialization will check this */
1912 if (*optarg == '?') {
1913 list_cpus(stdout, &fprintf, optarg);
1914 exit(0);
1915 } else {
1916 cpu_model = optarg;
1917 }
1918 break;
1919 case QEMU_OPTION_initrd:
1920 initrd_filename = optarg;
1921 break;
1922 case QEMU_OPTION_hda:
1923 if (cyls == 0)
1924 hda_opts = drive_add(optarg, HD_ALIAS, 0);
1925 else
1926 hda_opts = drive_add(optarg, HD_ALIAS
1927 ",cyls=%d,heads=%d,secs=%d%s",
1928 0, cyls, heads, secs,
1929 translation == BIOS_ATA_TRANSLATION_LBA ?
1930 ",trans=lba" :
1931 translation == BIOS_ATA_TRANSLATION_NONE ?
1932 ",trans=none" : "");
1933 break;
1934 case QEMU_OPTION_hdb:
1935 case QEMU_OPTION_hdc:
1936 case QEMU_OPTION_hdd:
1937 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
1938 break;
1939 case QEMU_OPTION_drive:
1940 drive_add(NULL, "%s", optarg);
1941 break;
1942 case QEMU_OPTION_set:
1943 if (qemu_set_option(optarg) != 0)
1944 exit(1);
1945 break;
1946 case QEMU_OPTION_global:
1947 if (qemu_global_option(optarg) != 0)
1948 exit(1);
1949 break;
1950 case QEMU_OPTION_mtdblock:
1951 drive_add(optarg, MTD_ALIAS);
1952 break;
1953 case QEMU_OPTION_sd:
1954 drive_add(optarg, SD_ALIAS);
1955 break;
1956 case QEMU_OPTION_pflash:
1957 drive_add(optarg, PFLASH_ALIAS);
1958 break;
1959 case QEMU_OPTION_snapshot:
1960 snapshot = 1;
1961 break;
1962 case QEMU_OPTION_hdachs:
1963 {
1964 const char *p;
1965 p = optarg;
1966 cyls = strtol(p, (char **)&p, 0);
1967 if (cyls < 1 || cyls > 16383)
1968 goto chs_fail;
1969 if (*p != ',')
1970 goto chs_fail;
1971 p++;
1972 heads = strtol(p, (char **)&p, 0);
1973 if (heads < 1 || heads > 16)
1974 goto chs_fail;
1975 if (*p != ',')
1976 goto chs_fail;
1977 p++;
1978 secs = strtol(p, (char **)&p, 0);
1979 if (secs < 1 || secs > 63)
1980 goto chs_fail;
1981 if (*p == ',') {
1982 p++;
1983 if (!strcmp(p, "none"))
1984 translation = BIOS_ATA_TRANSLATION_NONE;
1985 else if (!strcmp(p, "lba"))
1986 translation = BIOS_ATA_TRANSLATION_LBA;
1987 else if (!strcmp(p, "auto"))
1988 translation = BIOS_ATA_TRANSLATION_AUTO;
1989 else
1990 goto chs_fail;
1991 } else if (*p != '\0') {
1992 chs_fail:
1993 fprintf(stderr, "qemu: invalid physical CHS format\n");
1994 exit(1);
1995 }
1996 if (hda_opts != NULL) {
1997 char num[16];
1998 snprintf(num, sizeof(num), "%d", cyls);
1999 qemu_opt_set(hda_opts, "cyls", num);
2000 snprintf(num, sizeof(num), "%d", heads);
2001 qemu_opt_set(hda_opts, "heads", num);
2002 snprintf(num, sizeof(num), "%d", secs);
2003 qemu_opt_set(hda_opts, "secs", num);
2004 if (translation == BIOS_ATA_TRANSLATION_LBA)
2005 qemu_opt_set(hda_opts, "trans", "lba");
2006 if (translation == BIOS_ATA_TRANSLATION_NONE)
2007 qemu_opt_set(hda_opts, "trans", "none");
2008 }
2009 }
2010 break;
2011 case QEMU_OPTION_numa:
2012 if (nb_numa_nodes >= MAX_NODES) {
2013 fprintf(stderr, "qemu: too many NUMA nodes\n");
2014 exit(1);
2015 }
2016 numa_add(optarg);
2017 break;
2018 case QEMU_OPTION_nographic:
2019 display_type = DT_NOGRAPHIC;
2020 break;
2021 #ifdef CONFIG_CURSES
2022 case QEMU_OPTION_curses:
2023 display_type = DT_CURSES;
2024 break;
2025 #endif
2026 case QEMU_OPTION_portrait:
2027 graphic_rotate = 1;
2028 break;
2029 case QEMU_OPTION_kernel:
2030 kernel_filename = optarg;
2031 break;
2032 case QEMU_OPTION_append:
2033 kernel_cmdline = optarg;
2034 break;
2035 case QEMU_OPTION_cdrom:
2036 drive_add(optarg, CDROM_ALIAS);
2037 break;
2038 case QEMU_OPTION_boot:
2039 {
2040 static const char * const params[] = {
2041 "order", "once", "menu", NULL
2042 };
2043 char buf[sizeof(boot_devices)];
2044 char *standard_boot_devices;
2045 int legacy = 0;
2046
2047 if (!strchr(optarg, '=')) {
2048 legacy = 1;
2049 pstrcpy(buf, sizeof(buf), optarg);
2050 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2051 fprintf(stderr,
2052 "qemu: unknown boot parameter '%s' in '%s'\n",
2053 buf, optarg);
2054 exit(1);
2055 }
2056
2057 if (legacy ||
2058 get_param_value(buf, sizeof(buf), "order", optarg)) {
2059 validate_bootdevices(buf);
2060 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2061 }
2062 if (!legacy) {
2063 if (get_param_value(buf, sizeof(buf),
2064 "once", optarg)) {
2065 validate_bootdevices(buf);
2066 standard_boot_devices = qemu_strdup(boot_devices);
2067 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2068 qemu_register_reset(restore_boot_devices,
2069 standard_boot_devices);
2070 }
2071 if (get_param_value(buf, sizeof(buf),
2072 "menu", optarg)) {
2073 if (!strcmp(buf, "on")) {
2074 boot_menu = 1;
2075 } else if (!strcmp(buf, "off")) {
2076 boot_menu = 0;
2077 } else {
2078 fprintf(stderr,
2079 "qemu: invalid option value '%s'\n",
2080 buf);
2081 exit(1);
2082 }
2083 }
2084 }
2085 }
2086 break;
2087 case QEMU_OPTION_fda:
2088 case QEMU_OPTION_fdb:
2089 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
2090 break;
2091 case QEMU_OPTION_no_fd_bootchk:
2092 fd_bootchk = 0;
2093 break;
2094 case QEMU_OPTION_netdev:
2095 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2096 exit(1);
2097 }
2098 break;
2099 case QEMU_OPTION_net:
2100 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2101 exit(1);
2102 }
2103 break;
2104 #ifdef CONFIG_SLIRP
2105 case QEMU_OPTION_tftp:
2106 legacy_tftp_prefix = optarg;
2107 break;
2108 case QEMU_OPTION_bootp:
2109 legacy_bootp_filename = optarg;
2110 break;
2111 case QEMU_OPTION_redir:
2112 if (net_slirp_redir(optarg) < 0)
2113 exit(1);
2114 break;
2115 #endif
2116 case QEMU_OPTION_bt:
2117 add_device_config(DEV_BT, optarg);
2118 break;
2119 case QEMU_OPTION_audio_help:
2120 if (!(audio_available())) {
2121 printf("Option %s not supported for this target\n", popt->name);
2122 exit(1);
2123 }
2124 AUD_help ();
2125 exit (0);
2126 break;
2127 case QEMU_OPTION_soundhw:
2128 if (!(audio_available())) {
2129 printf("Option %s not supported for this target\n", popt->name);
2130 exit(1);
2131 }
2132 select_soundhw (optarg);
2133 break;
2134 case QEMU_OPTION_h:
2135 help(0);
2136 break;
2137 case QEMU_OPTION_version:
2138 version();
2139 exit(0);
2140 break;
2141 case QEMU_OPTION_m: {
2142 uint64_t value;
2143 char *ptr;
2144
2145 value = strtoul(optarg, &ptr, 10);
2146 switch (*ptr) {
2147 case 0: case 'M': case 'm':
2148 value <<= 20;
2149 break;
2150 case 'G': case 'g':
2151 value <<= 30;
2152 break;
2153 default:
2154 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2155 exit(1);
2156 }
2157
2158 /* On 32-bit hosts, QEMU is limited by virtual address space */
2159 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2160 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2161 exit(1);
2162 }
2163 if (value != (uint64_t)(ram_addr_t)value) {
2164 fprintf(stderr, "qemu: ram size too large\n");
2165 exit(1);
2166 }
2167 ram_size = value;
2168 break;
2169 }
2170 case QEMU_OPTION_mempath:
2171 mem_path = optarg;
2172 break;
2173 #ifdef MAP_POPULATE
2174 case QEMU_OPTION_mem_prealloc:
2175 mem_prealloc = 1;
2176 break;
2177 #endif
2178 case QEMU_OPTION_d:
2179 set_cpu_log(optarg);
2180 break;
2181 case QEMU_OPTION_s:
2182 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2183 break;
2184 case QEMU_OPTION_gdb:
2185 gdbstub_dev = optarg;
2186 break;
2187 case QEMU_OPTION_L:
2188 data_dir = optarg;
2189 break;
2190 case QEMU_OPTION_bios:
2191 bios_name = optarg;
2192 break;
2193 case QEMU_OPTION_singlestep:
2194 singlestep = 1;
2195 break;
2196 case QEMU_OPTION_S:
2197 autostart = 0;
2198 break;
2199 case QEMU_OPTION_k:
2200 keyboard_layout = optarg;
2201 break;
2202 case QEMU_OPTION_localtime:
2203 rtc_utc = 0;
2204 break;
2205 case QEMU_OPTION_vga:
2206 select_vgahw (optarg);
2207 break;
2208 case QEMU_OPTION_g:
2209 {
2210 const char *p;
2211 int w, h, depth;
2212 p = optarg;
2213 w = strtol(p, (char **)&p, 10);
2214 if (w <= 0) {
2215 graphic_error:
2216 fprintf(stderr, "qemu: invalid resolution or depth\n");
2217 exit(1);
2218 }
2219 if (*p != 'x')
2220 goto graphic_error;
2221 p++;
2222 h = strtol(p, (char **)&p, 10);
2223 if (h <= 0)
2224 goto graphic_error;
2225 if (*p == 'x') {
2226 p++;
2227 depth = strtol(p, (char **)&p, 10);
2228 if (depth != 8 && depth != 15 && depth != 16 &&
2229 depth != 24 && depth != 32)
2230 goto graphic_error;
2231 } else if (*p == '\0') {
2232 depth = graphic_depth;
2233 } else {
2234 goto graphic_error;
2235 }
2236
2237 graphic_width = w;
2238 graphic_height = h;
2239 graphic_depth = depth;
2240 }
2241 break;
2242 case QEMU_OPTION_echr:
2243 {
2244 char *r;
2245 term_escape_char = strtol(optarg, &r, 0);
2246 if (r == optarg)
2247 printf("Bad argument to echr\n");
2248 break;
2249 }
2250 case QEMU_OPTION_monitor:
2251 monitor_parse(optarg, "readline");
2252 default_monitor = 0;
2253 break;
2254 case QEMU_OPTION_qmp:
2255 monitor_parse(optarg, "control");
2256 default_monitor = 0;
2257 break;
2258 case QEMU_OPTION_mon:
2259 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2260 if (!opts) {
2261 exit(1);
2262 }
2263 default_monitor = 0;
2264 break;
2265 case QEMU_OPTION_chardev:
2266 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2267 if (!opts) {
2268 exit(1);
2269 }
2270 break;
2271 case QEMU_OPTION_fsdev:
2272 olist = qemu_find_opts("fsdev");
2273 if (!olist) {
2274 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2275 exit(1);
2276 }
2277 opts = qemu_opts_parse(olist, optarg, 1);
2278 if (!opts) {
2279 fprintf(stderr, "parse error: %s\n", optarg);
2280 exit(1);
2281 }
2282 break;
2283 case QEMU_OPTION_virtfs: {
2284 char *arg_fsdev = NULL;
2285 char *arg_9p = NULL;
2286 int len = 0;
2287
2288 olist = qemu_find_opts("virtfs");
2289 if (!olist) {
2290 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2291 exit(1);
2292 }
2293 opts = qemu_opts_parse(olist, optarg, 1);
2294 if (!opts) {
2295 fprintf(stderr, "parse error: %s\n", optarg);
2296 exit(1);
2297 }
2298
2299 if (qemu_opt_get(opts, "fstype") == NULL ||
2300 qemu_opt_get(opts, "mount_tag") == NULL ||
2301 qemu_opt_get(opts, "path") == NULL ||
2302 qemu_opt_get(opts, "security_model") == NULL) {
2303 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2304 "security_model=[mapped|passthrough|none],"
2305 "mnt_tag=tag.\n");
2306 exit(1);
2307 }
2308
2309 len = strlen(",id=,path=,security_model=");
2310 len += strlen(qemu_opt_get(opts, "fstype"));
2311 len += strlen(qemu_opt_get(opts, "mount_tag"));
2312 len += strlen(qemu_opt_get(opts, "path"));
2313 len += strlen(qemu_opt_get(opts, "security_model"));
2314 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2315
2316 snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev),
2317 "%s,id=%s,path=%s,security_model=%s",
2318 qemu_opt_get(opts, "fstype"),
2319 qemu_opt_get(opts, "mount_tag"),
2320 qemu_opt_get(opts, "path"),
2321 qemu_opt_get(opts, "security_model"));
2322
2323 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2324 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2325 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2326
2327 snprintf(arg_9p, (len + 1) * sizeof(*arg_9p),
2328 "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2329 qemu_opt_get(opts, "mount_tag"),
2330 qemu_opt_get(opts, "mount_tag"));
2331
2332 if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
2333 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2334 exit(1);
2335 }
2336
2337 if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
2338 fprintf(stderr, "parse error [device]: %s\n", optarg);
2339 exit(1);
2340 }
2341
2342 qemu_free(arg_fsdev);
2343 qemu_free(arg_9p);
2344 break;
2345 }
2346 case QEMU_OPTION_serial:
2347 add_device_config(DEV_SERIAL, optarg);
2348 default_serial = 0;
2349 if (strncmp(optarg, "mon:", 4) == 0) {
2350 default_monitor = 0;
2351 }
2352 break;
2353 case QEMU_OPTION_watchdog:
2354 if (watchdog) {
2355 fprintf(stderr,
2356 "qemu: only one watchdog option may be given\n");
2357 return 1;
2358 }
2359 watchdog = optarg;
2360 break;
2361 case QEMU_OPTION_watchdog_action:
2362 if (select_watchdog_action(optarg) == -1) {
2363 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2364 exit(1);
2365 }
2366 break;
2367 case QEMU_OPTION_virtiocon:
2368 add_device_config(DEV_VIRTCON, optarg);
2369 default_virtcon = 0;
2370 if (strncmp(optarg, "mon:", 4) == 0) {
2371 default_monitor = 0;
2372 }
2373 break;
2374 case QEMU_OPTION_parallel:
2375 add_device_config(DEV_PARALLEL, optarg);
2376 default_parallel = 0;
2377 if (strncmp(optarg, "mon:", 4) == 0) {
2378 default_monitor = 0;
2379 }
2380 break;
2381 case QEMU_OPTION_debugcon:
2382 add_device_config(DEV_DEBUGCON, optarg);
2383 break;
2384 case QEMU_OPTION_loadvm:
2385 loadvm = optarg;
2386 break;
2387 case QEMU_OPTION_full_screen:
2388 full_screen = 1;
2389 break;
2390 #ifdef CONFIG_SDL
2391 case QEMU_OPTION_no_frame:
2392 no_frame = 1;
2393 break;
2394 case QEMU_OPTION_alt_grab:
2395 alt_grab = 1;
2396 break;
2397 case QEMU_OPTION_ctrl_grab:
2398 ctrl_grab = 1;
2399 break;
2400 case QEMU_OPTION_no_quit:
2401 no_quit = 1;
2402 break;
2403 case QEMU_OPTION_sdl:
2404 display_type = DT_SDL;
2405 break;
2406 #endif
2407 case QEMU_OPTION_pidfile:
2408 pid_file = optarg;
2409 break;
2410 case QEMU_OPTION_win2k_hack:
2411 win2k_install_hack = 1;
2412 break;
2413 case QEMU_OPTION_rtc_td_hack:
2414 rtc_td_hack = 1;
2415 break;
2416 case QEMU_OPTION_acpitable:
2417 do_acpitable_option(optarg);
2418 break;
2419 case QEMU_OPTION_smbios:
2420 do_smbios_option(optarg);
2421 break;
2422 case QEMU_OPTION_enable_kvm:
2423 kvm_allowed = 1;
2424 break;
2425 case QEMU_OPTION_usb:
2426 usb_enabled = 1;
2427 break;
2428 case QEMU_OPTION_usbdevice:
2429 usb_enabled = 1;
2430 add_device_config(DEV_USB, optarg);
2431 break;
2432 case QEMU_OPTION_device:
2433 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2434 exit(1);
2435 }
2436 break;
2437 case QEMU_OPTION_smp:
2438 smp_parse(optarg);
2439 if (smp_cpus < 1) {
2440 fprintf(stderr, "Invalid number of CPUs\n");
2441 exit(1);
2442 }
2443 if (max_cpus < smp_cpus) {
2444 fprintf(stderr, "maxcpus must be equal to or greater than "
2445 "smp\n");
2446 exit(1);
2447 }
2448 if (max_cpus > 255) {
2449 fprintf(stderr, "Unsupported number of maxcpus\n");
2450 exit(1);
2451 }
2452 break;
2453 case QEMU_OPTION_vnc:
2454 display_remote++;
2455 vnc_display = optarg;
2456 break;
2457 case QEMU_OPTION_no_acpi:
2458 acpi_enabled = 0;
2459 break;
2460 case QEMU_OPTION_no_hpet:
2461 no_hpet = 1;
2462 break;
2463 case QEMU_OPTION_balloon:
2464 if (balloon_parse(optarg) < 0) {
2465 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2466 exit(1);
2467 }
2468 break;
2469 case QEMU_OPTION_no_reboot:
2470 no_reboot = 1;
2471 break;
2472 case QEMU_OPTION_no_shutdown:
2473 no_shutdown = 1;
2474 break;
2475 case QEMU_OPTION_show_cursor:
2476 cursor_hide = 0;
2477 break;
2478 case QEMU_OPTION_uuid:
2479 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2480 fprintf(stderr, "Fail to parse UUID string."
2481 " Wrong format.\n");
2482 exit(1);
2483 }
2484 break;
2485 case QEMU_OPTION_option_rom:
2486 if (nb_option_roms >= MAX_OPTION_ROMS) {
2487 fprintf(stderr, "Too many option ROMs\n");
2488 exit(1);
2489 }
2490 option_rom[nb_option_roms] = optarg;
2491 nb_option_roms++;
2492 break;
2493 case QEMU_OPTION_semihosting:
2494 semihosting_enabled = 1;
2495 break;
2496 case QEMU_OPTION_name:
2497 qemu_name = qemu_strdup(optarg);
2498 {
2499 char *p = strchr(qemu_name, ',');
2500 if (p != NULL) {
2501 *p++ = 0;
2502 if (strncmp(p, "process=", 8)) {
2503 fprintf(stderr, "Unknown subargument %s to -name", p);
2504 exit(1);
2505 }
2506 p += 8;
2507 os_set_proc_name(p);
2508 }
2509 }
2510 break;
2511 case QEMU_OPTION_prom_env:
2512 if (nb_prom_envs >= MAX_PROM_ENVS) {
2513 fprintf(stderr, "Too many prom variables\n");
2514 exit(1);
2515 }
2516 prom_envs[nb_prom_envs] = optarg;
2517 nb_prom_envs++;
2518 break;
2519 case QEMU_OPTION_old_param:
2520 old_param = 1;
2521 break;
2522 case QEMU_OPTION_clock:
2523 configure_alarms(optarg);
2524 break;
2525 case QEMU_OPTION_startdate:
2526 configure_rtc_date_offset(optarg, 1);
2527 break;
2528 case QEMU_OPTION_rtc:
2529 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2530 if (!opts) {
2531 exit(1);
2532 }
2533 configure_rtc(opts);
2534 break;
2535 case QEMU_OPTION_tb_size:
2536 tb_size = strtol(optarg, NULL, 0);
2537 if (tb_size < 0)
2538 tb_size = 0;
2539 break;
2540 case QEMU_OPTION_icount:
2541 icount_option = optarg;
2542 break;
2543 case QEMU_OPTION_incoming:
2544 incoming = optarg;
2545 incoming_expected = true;
2546 break;
2547 case QEMU_OPTION_nodefaults:
2548 default_serial = 0;
2549 default_parallel = 0;
2550 default_virtcon = 0;
2551 default_monitor = 0;
2552 default_vga = 0;
2553 default_net = 0;
2554 default_floppy = 0;
2555 default_cdrom = 0;
2556 default_sdcard = 0;
2557 break;
2558 case QEMU_OPTION_xen_domid:
2559 if (!(xen_available())) {
2560 printf("Option %s not supported for this target\n", popt->name);
2561 exit(1);
2562 }
2563 xen_domid = atoi(optarg);
2564 break;
2565 case QEMU_OPTION_xen_create:
2566 if (!(xen_available())) {
2567 printf("Option %s not supported for this target\n", popt->name);
2568 exit(1);
2569 }
2570 xen_mode = XEN_CREATE;
2571 break;
2572 case QEMU_OPTION_xen_attach:
2573 if (!(xen_available())) {
2574 printf("Option %s not supported for this target\n", popt->name);
2575 exit(1);
2576 }
2577 xen_mode = XEN_ATTACH;
2578 break;
2579 #ifdef CONFIG_SIMPLE_TRACE
2580 case QEMU_OPTION_trace:
2581 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2582 if (opts) {
2583 trace_file = qemu_opt_get(opts, "file");
2584 }
2585 break;
2586 #endif
2587 case QEMU_OPTION_readconfig:
2588 {
2589 int ret = qemu_read_config_file(optarg);
2590 if (ret < 0) {
2591 fprintf(stderr, "read config %s: %s\n", optarg,
2592 strerror(-ret));
2593 exit(1);
2594 }
2595 break;
2596 }
2597 case QEMU_OPTION_spice:
2598 olist = qemu_find_opts("spice");
2599 if (!olist) {
2600 fprintf(stderr, "spice is not supported by this qemu build.\n");
2601 exit(1);
2602 }
2603 opts = qemu_opts_parse(olist, optarg, 0);
2604 if (!opts) {
2605 fprintf(stderr, "parse error: %s\n", optarg);
2606 exit(1);
2607 }
2608 break;
2609 case QEMU_OPTION_writeconfig:
2610 {
2611 FILE *fp;
2612 if (strcmp(optarg, "-") == 0) {
2613 fp = stdout;
2614 } else {
2615 fp = fopen(optarg, "w");
2616 if (fp == NULL) {
2617 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2618 exit(1);
2619 }
2620 }
2621 qemu_config_write(fp);
2622 fclose(fp);
2623 break;
2624 }
2625 default:
2626 os_parse_cmd_args(popt->index, optarg);
2627 }
2628 }
2629 }
2630 loc_set_none();
2631
2632 /* If no data_dir is specified then try to find it relative to the
2633 executable path. */
2634 if (!data_dir) {
2635 data_dir = os_find_datadir(argv[0]);
2636 }
2637 /* If all else fails use the install patch specified when building. */
2638 if (!data_dir) {
2639 data_dir = CONFIG_QEMU_DATADIR;
2640 }
2641
2642 #ifdef CONFIG_SIMPLE_TRACE
2643 /*
2644 * Set the trace file name, if specified.
2645 */
2646 st_set_trace_file(trace_file);
2647 #endif
2648 /*
2649 * Default to max_cpus = smp_cpus, in case the user doesn't
2650 * specify a max_cpus value.
2651 */
2652 if (!max_cpus)
2653 max_cpus = smp_cpus;
2654
2655 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2656 if (smp_cpus > machine->max_cpus) {
2657 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2658 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2659 machine->max_cpus);
2660 exit(1);
2661 }
2662
2663 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2664 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2665
2666 if (machine->no_serial) {
2667 default_serial = 0;
2668 }
2669 if (machine->no_parallel) {
2670 default_parallel = 0;
2671 }
2672 if (!machine->use_virtcon) {
2673 default_virtcon = 0;
2674 }
2675 if (machine->no_vga) {
2676 default_vga = 0;
2677 }
2678 if (machine->no_floppy) {
2679 default_floppy = 0;
2680 }
2681 if (machine->no_cdrom) {
2682 default_cdrom = 0;
2683 }
2684 if (machine->no_sdcard) {
2685 default_sdcard = 0;
2686 }
2687
2688 if (display_type == DT_NOGRAPHIC) {
2689 if (default_parallel)
2690 add_device_config(DEV_PARALLEL, "null");
2691 if (default_serial && default_monitor) {
2692 add_device_config(DEV_SERIAL, "mon:stdio");
2693 } else if (default_virtcon && default_monitor) {
2694 add_device_config(DEV_VIRTCON, "mon:stdio");
2695 } else {
2696 if (default_serial)
2697 add_device_config(DEV_SERIAL, "stdio");
2698 if (default_virtcon)
2699 add_device_config(DEV_VIRTCON, "stdio");
2700 if (default_monitor)
2701 monitor_parse("stdio", "readline");
2702 }
2703 } else {
2704 if (default_serial)
2705 add_device_config(DEV_SERIAL, "vc:80Cx24C");
2706 if (default_parallel)
2707 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2708 if (default_monitor)
2709 monitor_parse("vc:80Cx24C", "readline");
2710 if (default_virtcon)
2711 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2712 }
2713 if (default_vga)
2714 vga_interface_type = VGA_CIRRUS;
2715
2716 socket_init();
2717
2718 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
2719 exit(1);
2720 #ifdef CONFIG_VIRTFS
2721 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
2722 exit(1);
2723 }
2724 #endif
2725
2726 os_daemonize();
2727
2728 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2729 os_pidfile_error();
2730 exit(1);
2731 }
2732
2733 if (kvm_allowed) {
2734 int ret = kvm_init(smp_cpus);
2735 if (ret < 0) {
2736 if (!kvm_available()) {
2737 printf("KVM not supported for this target\n");
2738 } else {
2739 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2740 }
2741 exit(1);
2742 }
2743 }
2744
2745 if (qemu_init_main_loop()) {
2746 fprintf(stderr, "qemu_init_main_loop failed\n");
2747 exit(1);
2748 }
2749 linux_boot = (kernel_filename != NULL);
2750
2751 if (!linux_boot && *kernel_cmdline != '\0') {
2752 fprintf(stderr, "-append only allowed with -kernel option\n");
2753 exit(1);
2754 }
2755
2756 if (!linux_boot && initrd_filename != NULL) {
2757 fprintf(stderr, "-initrd only allowed with -kernel option\n");
2758 exit(1);
2759 }
2760
2761 os_set_line_buffering();
2762
2763 if (init_timer_alarm() < 0) {
2764 fprintf(stderr, "could not initialize alarm timer\n");
2765 exit(1);
2766 }
2767 configure_icount(icount_option);
2768
2769 if (net_init_clients() < 0) {
2770 exit(1);
2771 }
2772
2773 /* init the bluetooth world */
2774 if (foreach_device_config(DEV_BT, bt_parse))
2775 exit(1);
2776
2777 /* init the memory */
2778 if (ram_size == 0)
2779 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2780
2781 /* init the dynamic translator */
2782 cpu_exec_init_all(tb_size * 1024 * 1024);
2783
2784 bdrv_init_with_whitelist();
2785
2786 blk_mig_init();
2787
2788 if (default_cdrom) {
2789 /* we always create the cdrom drive, even if no disk is there */
2790 drive_add(NULL, CDROM_ALIAS);
2791 }
2792
2793 if (default_floppy) {
2794 /* we always create at least one floppy */
2795 drive_add(NULL, FD_ALIAS, 0);
2796 }
2797
2798 if (default_sdcard) {
2799 /* we always create one sd slot, even if no card is in it */
2800 drive_add(NULL, SD_ALIAS);
2801 }
2802
2803 /* open the virtual block devices */
2804 if (snapshot)
2805 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
2806 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
2807 exit(1);
2808
2809 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2810 ram_load, NULL);
2811
2812 if (nb_numa_nodes > 0) {
2813 int i;
2814
2815 if (nb_numa_nodes > smp_cpus) {
2816 nb_numa_nodes = smp_cpus;
2817 }
2818
2819 /* If no memory size if given for any node, assume the default case
2820 * and distribute the available memory equally across all nodes
2821 */
2822 for (i = 0; i < nb_numa_nodes; i++) {
2823 if (node_mem[i] != 0)
2824 break;
2825 }
2826 if (i == nb_numa_nodes) {
2827 uint64_t usedmem = 0;
2828
2829 /* On Linux, the each node's border has to be 8MB aligned,
2830 * the final node gets the rest.
2831 */
2832 for (i = 0; i < nb_numa_nodes - 1; i++) {
2833 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2834 usedmem += node_mem[i];
2835 }
2836 node_mem[i] = ram_size - usedmem;
2837 }
2838
2839 for (i = 0; i < nb_numa_nodes; i++) {
2840 if (node_cpumask[i] != 0)
2841 break;
2842 }
2843 /* assigning the VCPUs round-robin is easier to implement, guest OSes
2844 * must cope with this anyway, because there are BIOSes out there in
2845 * real machines which also use this scheme.
2846 */
2847 if (i == nb_numa_nodes) {
2848 for (i = 0; i < smp_cpus; i++) {
2849 node_cpumask[i % nb_numa_nodes] |= 1 << i;
2850 }
2851 }
2852 }
2853
2854 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
2855 exit(1);
2856 }
2857
2858 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2859 exit(1);
2860 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2861 exit(1);
2862 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2863 exit(1);
2864 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2865 exit(1);
2866
2867 module_call_init(MODULE_INIT_DEVICE);
2868
2869 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
2870 exit(0);
2871
2872 if (watchdog) {
2873 i = select_watchdog(watchdog);
2874 if (i > 0)
2875 exit (i == 1 ? 1 : 0);
2876 }
2877
2878 if (machine->compat_props) {
2879 qdev_prop_register_global_list(machine->compat_props);
2880 }
2881 qemu_add_globals();
2882
2883 machine->init(ram_size, boot_devices,
2884 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
2885
2886 cpu_synchronize_all_post_init();
2887
2888 /* must be after terminal init, SDL library changes signal handlers */
2889 os_setup_signal_handling();
2890
2891 set_numa_modes();
2892
2893 current_machine = machine;
2894
2895 /* init USB devices */
2896 if (usb_enabled) {
2897 if (foreach_device_config(DEV_USB, usb_parse) < 0)
2898 exit(1);
2899 }
2900
2901 /* init generic devices */
2902 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
2903 exit(1);
2904
2905 net_check_clients();
2906
2907 /* just use the first displaystate for the moment */
2908 ds = get_displaystate();
2909
2910 if (using_spice)
2911 display_remote++;
2912 if (display_type == DT_DEFAULT && !display_remote) {
2913 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
2914 display_type = DT_SDL;
2915 #else
2916 vnc_display = "localhost:0,to=99";
2917 show_vnc_port = 1;
2918 #endif
2919 }
2920
2921
2922 /* init local displays */
2923 switch (display_type) {
2924 case DT_NOGRAPHIC:
2925 break;
2926 #if defined(CONFIG_CURSES)
2927 case DT_CURSES:
2928 curses_display_init(ds, full_screen);
2929 break;
2930 #endif
2931 #if defined(CONFIG_SDL)
2932 case DT_SDL:
2933 sdl_display_init(ds, full_screen, no_frame);
2934 break;
2935 #elif defined(CONFIG_COCOA)
2936 case DT_SDL:
2937 cocoa_display_init(ds, full_screen);
2938 break;
2939 #endif
2940 default:
2941 break;
2942 }
2943
2944 /* init remote displays */
2945 if (vnc_display) {
2946 vnc_display_init(ds);
2947 if (vnc_display_open(ds, vnc_display) < 0)
2948 exit(1);
2949
2950 if (show_vnc_port) {
2951 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
2952 }
2953 }
2954 #ifdef CONFIG_SPICE
2955 if (using_spice) {
2956 qemu_spice_display_init(ds);
2957 }
2958 #endif
2959
2960 /* display setup */
2961 dpy_resize(ds);
2962 dcl = ds->listeners;
2963 while (dcl != NULL) {
2964 if (dcl->dpy_refresh != NULL) {
2965 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
2966 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
2967 break;
2968 }
2969 dcl = dcl->next;
2970 }
2971 if (ds->gui_timer == NULL) {
2972 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
2973 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
2974 }
2975 text_consoles_set_display(ds);
2976
2977 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
2978 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
2979 gdbstub_dev);
2980 exit(1);
2981 }
2982
2983 qdev_machine_creation_done();
2984
2985 if (rom_load_all() != 0) {
2986 fprintf(stderr, "rom loading failed\n");
2987 exit(1);
2988 }
2989
2990 qemu_system_reset();
2991 if (loadvm) {
2992 if (load_vmstate(loadvm) < 0) {
2993 autostart = 0;
2994 }
2995 }
2996
2997 if (incoming) {
2998 int ret = qemu_start_incoming_migration(incoming);
2999 if (ret < 0) {
3000 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3001 incoming, ret);
3002 exit(ret);
3003 }
3004 } else if (autostart) {
3005 vm_start();
3006 }
3007
3008 os_setup_post();
3009
3010 main_loop();
3011 quit_timers();
3012 net_cleanup();
3013
3014 return 0;
3015 }
various patches