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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 <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_BSD
51 #include <sys/stat.h>
52 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
53 #include <libutil.h>
54 #include <sys/sysctl.h>
55 #else
56 #include <util.h>
57 #endif
58 #else
59 #ifdef __linux__
60 #include <pty.h>
61 #include <malloc.h>
62
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
65 #endif
66 #ifdef __sun__
67 #include <sys/stat.h>
68 #include <sys/ethernet.h>
69 #include <sys/sockio.h>
70 #include <netinet/arp.h>
71 #include <netinet/in_systm.h>
72 #include <netinet/ip.h>
73 #include <netinet/ip_icmp.h> // must come after ip.h
74 #include <netinet/udp.h>
75 #include <netinet/tcp.h>
76 #include <net/if.h>
77 #include <syslog.h>
78 #include <stropts.h>
79 /* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for
80 discussion about Solaris header problems */
81 extern int madvise(caddr_t, size_t, int);
82 #endif
83 #endif
84 #endif
85
86 #if defined(__OpenBSD__)
87 #include <util.h>
88 #endif
89
90 #if defined(CONFIG_VDE)
91 #include <libvdeplug.h>
92 #endif
93
94 #ifdef _WIN32
95 #include <windows.h>
96 #endif
97
98 #ifdef CONFIG_SDL
99 #if defined(__APPLE__) || defined(main)
100 #include <SDL.h>
101 int qemu_main(int argc, char **argv, char **envp);
102 int main(int argc, char **argv)
103 {
104 return qemu_main(argc, argv, NULL);
105 }
106 #undef main
107 #define main qemu_main
108 #endif
109 #endif /* CONFIG_SDL */
110
111 #ifdef CONFIG_COCOA
112 #undef main
113 #define main qemu_main
114 #endif /* CONFIG_COCOA */
115
116 #include "hw/hw.h"
117 #include "hw/boards.h"
118 #include "hw/usb.h"
119 #include "hw/pcmcia.h"
120 #include "hw/pc.h"
121 #include "hw/isa.h"
122 #include "hw/baum.h"
123 #include "hw/bt.h"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
126 #include "hw/xen.h"
127 #include "hw/qdev.h"
128 #include "hw/loader.h"
129 #include "bt-host.h"
130 #include "net.h"
131 #include "net/slirp.h"
132 #include "monitor.h"
133 #include "console.h"
134 #include "sysemu.h"
135 #include "gdbstub.h"
136 #include "qemu-timer.h"
137 #include "qemu-char.h"
138 #include "cache-utils.h"
139 #include "block.h"
140 #include "blockdev.h"
141 #include "block-migration.h"
142 #include "dma.h"
143 #include "audio/audio.h"
144 #include "migration.h"
145 #include "kvm.h"
146 #include "qemu-option.h"
147 #include "qemu-config.h"
148 #include "qemu-objects.h"
149 #include "qemu-options.h"
150 #ifdef CONFIG_VIRTFS
151 #include "fsdev/qemu-fsdev.h"
152 #endif
153
154 #include "disas.h"
155
156 #include "qemu_socket.h"
157
158 #include "slirp/libslirp.h"
159
160 #include "qemu-queue.h"
161 #include "cpus.h"
162 #include "arch_init.h"
163
164 //#define DEBUG_NET
165 //#define DEBUG_SLIRP
166
167 #define DEFAULT_RAM_SIZE 128
168
169 #define MAX_VIRTIO_CONSOLES 1
170
171 static const char *data_dir;
172 const char *bios_name = NULL;
173 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
174 DisplayType display_type = DT_DEFAULT;
175 const char* keyboard_layout = NULL;
176 ram_addr_t ram_size;
177 const char *mem_path = NULL;
178 #ifdef MAP_POPULATE
179 int mem_prealloc = 0; /* force preallocation of physical target memory */
180 #endif
181 int nb_nics;
182 NICInfo nd_table[MAX_NICS];
183 int vm_running;
184 int autostart;
185 static int rtc_utc = 1;
186 static int rtc_date_offset = -1; /* -1 means no change */
187 QEMUClock *rtc_clock;
188 int vga_interface_type = VGA_NONE;
189 static int full_screen = 0;
190 #ifdef CONFIG_SDL
191 static int no_frame = 0;
192 #endif
193 int no_quit = 0;
194 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
195 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
196 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
197 int win2k_install_hack = 0;
198 int rtc_td_hack = 0;
199 int usb_enabled = 0;
200 int singlestep = 0;
201 int smp_cpus = 1;
202 int max_cpus = 0;
203 int smp_cores = 1;
204 int smp_threads = 1;
205 const char *vnc_display;
206 int acpi_enabled = 1;
207 int no_hpet = 0;
208 int fd_bootchk = 1;
209 int no_reboot = 0;
210 int no_shutdown = 0;
211 int cursor_hide = 1;
212 int graphic_rotate = 0;
213 uint8_t irq0override = 1;
214 const char *watchdog;
215 const char *option_rom[MAX_OPTION_ROMS];
216 int nb_option_roms;
217 int semihosting_enabled = 0;
218 int old_param = 0;
219 const char *qemu_name;
220 int alt_grab = 0;
221 int ctrl_grab = 0;
222 unsigned int nb_prom_envs = 0;
223 const char *prom_envs[MAX_PROM_ENVS];
224 int boot_menu;
225
226 int nb_numa_nodes;
227 uint64_t node_mem[MAX_NODES];
228 uint64_t node_cpumask[MAX_NODES];
229
230 static QEMUTimer *nographic_timer;
231
232 uint8_t qemu_uuid[16];
233
234 static QEMUBootSetHandler *boot_set_handler;
235 static void *boot_set_opaque;
236
237 static NotifierList exit_notifiers =
238 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
239
240 int kvm_allowed = 0;
241 uint32_t xen_domid;
242 enum xen_mode xen_mode = XEN_EMULATE;
243
244 static int default_serial = 1;
245 static int default_parallel = 1;
246 static int default_virtcon = 1;
247 static int default_monitor = 1;
248 static int default_vga = 1;
249 static int default_floppy = 1;
250 static int default_cdrom = 1;
251 static int default_sdcard = 1;
252
253 static struct {
254 const char *driver;
255 int *flag;
256 } default_list[] = {
257 { .driver = "isa-serial", .flag = &default_serial },
258 { .driver = "isa-parallel", .flag = &default_parallel },
259 { .driver = "isa-fdc", .flag = &default_floppy },
260 { .driver = "ide-drive", .flag = &default_cdrom },
261 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
262 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
263 { .driver = "virtio-serial", .flag = &default_virtcon },
264 { .driver = "VGA", .flag = &default_vga },
265 { .driver = "cirrus-vga", .flag = &default_vga },
266 { .driver = "vmware-svga", .flag = &default_vga },
267 };
268
269 static int default_driver_check(QemuOpts *opts, void *opaque)
270 {
271 const char *driver = qemu_opt_get(opts, "driver");
272 int i;
273
274 if (!driver)
275 return 0;
276 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
277 if (strcmp(default_list[i].driver, driver) != 0)
278 continue;
279 *(default_list[i].flag) = 0;
280 }
281 return 0;
282 }
283
284 /***********************************************************/
285 /* real time host monotonic timer */
286
287 /* compute with 96 bit intermediate result: (a*b)/c */
288 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
289 {
290 union {
291 uint64_t ll;
292 struct {
293 #ifdef HOST_WORDS_BIGENDIAN
294 uint32_t high, low;
295 #else
296 uint32_t low, high;
297 #endif
298 } l;
299 } u, res;
300 uint64_t rl, rh;
301
302 u.ll = a;
303 rl = (uint64_t)u.l.low * (uint64_t)b;
304 rh = (uint64_t)u.l.high * (uint64_t)b;
305 rh += (rl >> 32);
306 res.l.high = rh / c;
307 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
308 return res.ll;
309 }
310
311 /***********************************************************/
312 /* host time/date access */
313 void qemu_get_timedate(struct tm *tm, int offset)
314 {
315 time_t ti;
316 struct tm *ret;
317
318 time(&ti);
319 ti += offset;
320 if (rtc_date_offset == -1) {
321 if (rtc_utc)
322 ret = gmtime(&ti);
323 else
324 ret = localtime(&ti);
325 } else {
326 ti -= rtc_date_offset;
327 ret = gmtime(&ti);
328 }
329
330 memcpy(tm, ret, sizeof(struct tm));
331 }
332
333 int qemu_timedate_diff(struct tm *tm)
334 {
335 time_t seconds;
336
337 if (rtc_date_offset == -1)
338 if (rtc_utc)
339 seconds = mktimegm(tm);
340 else
341 seconds = mktime(tm);
342 else
343 seconds = mktimegm(tm) + rtc_date_offset;
344
345 return seconds - time(NULL);
346 }
347
348 void rtc_change_mon_event(struct tm *tm)
349 {
350 QObject *data;
351
352 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
353 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
354 qobject_decref(data);
355 }
356
357 static void configure_rtc_date_offset(const char *startdate, int legacy)
358 {
359 time_t rtc_start_date;
360 struct tm tm;
361
362 if (!strcmp(startdate, "now") && legacy) {
363 rtc_date_offset = -1;
364 } else {
365 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
366 &tm.tm_year,
367 &tm.tm_mon,
368 &tm.tm_mday,
369 &tm.tm_hour,
370 &tm.tm_min,
371 &tm.tm_sec) == 6) {
372 /* OK */
373 } else if (sscanf(startdate, "%d-%d-%d",
374 &tm.tm_year,
375 &tm.tm_mon,
376 &tm.tm_mday) == 3) {
377 tm.tm_hour = 0;
378 tm.tm_min = 0;
379 tm.tm_sec = 0;
380 } else {
381 goto date_fail;
382 }
383 tm.tm_year -= 1900;
384 tm.tm_mon--;
385 rtc_start_date = mktimegm(&tm);
386 if (rtc_start_date == -1) {
387 date_fail:
388 fprintf(stderr, "Invalid date format. Valid formats are:\n"
389 "'2006-06-17T16:01:21' or '2006-06-17'\n");
390 exit(1);
391 }
392 rtc_date_offset = time(NULL) - rtc_start_date;
393 }
394 }
395
396 static void configure_rtc(QemuOpts *opts)
397 {
398 const char *value;
399
400 value = qemu_opt_get(opts, "base");
401 if (value) {
402 if (!strcmp(value, "utc")) {
403 rtc_utc = 1;
404 } else if (!strcmp(value, "localtime")) {
405 rtc_utc = 0;
406 } else {
407 configure_rtc_date_offset(value, 0);
408 }
409 }
410 value = qemu_opt_get(opts, "clock");
411 if (value) {
412 if (!strcmp(value, "host")) {
413 rtc_clock = host_clock;
414 } else if (!strcmp(value, "vm")) {
415 rtc_clock = vm_clock;
416 } else {
417 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
418 exit(1);
419 }
420 }
421 value = qemu_opt_get(opts, "driftfix");
422 if (value) {
423 if (!strcmp(value, "slew")) {
424 rtc_td_hack = 1;
425 } else if (!strcmp(value, "none")) {
426 rtc_td_hack = 0;
427 } else {
428 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
429 exit(1);
430 }
431 }
432 }
433
434 /***********************************************************/
435 /* Bluetooth support */
436 static int nb_hcis;
437 static int cur_hci;
438 static struct HCIInfo *hci_table[MAX_NICS];
439
440 static struct bt_vlan_s {
441 struct bt_scatternet_s net;
442 int id;
443 struct bt_vlan_s *next;
444 } *first_bt_vlan;
445
446 /* find or alloc a new bluetooth "VLAN" */
447 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
448 {
449 struct bt_vlan_s **pvlan, *vlan;
450 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
451 if (vlan->id == id)
452 return &vlan->net;
453 }
454 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
455 vlan->id = id;
456 pvlan = &first_bt_vlan;
457 while (*pvlan != NULL)
458 pvlan = &(*pvlan)->next;
459 *pvlan = vlan;
460 return &vlan->net;
461 }
462
463 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
464 {
465 }
466
467 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
468 {
469 return -ENOTSUP;
470 }
471
472 static struct HCIInfo null_hci = {
473 .cmd_send = null_hci_send,
474 .sco_send = null_hci_send,
475 .acl_send = null_hci_send,
476 .bdaddr_set = null_hci_addr_set,
477 };
478
479 struct HCIInfo *qemu_next_hci(void)
480 {
481 if (cur_hci == nb_hcis)
482 return &null_hci;
483
484 return hci_table[cur_hci++];
485 }
486
487 static struct HCIInfo *hci_init(const char *str)
488 {
489 char *endp;
490 struct bt_scatternet_s *vlan = 0;
491
492 if (!strcmp(str, "null"))
493 /* null */
494 return &null_hci;
495 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
496 /* host[:hciN] */
497 return bt_host_hci(str[4] ? str + 5 : "hci0");
498 else if (!strncmp(str, "hci", 3)) {
499 /* hci[,vlan=n] */
500 if (str[3]) {
501 if (!strncmp(str + 3, ",vlan=", 6)) {
502 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
503 if (*endp)
504 vlan = 0;
505 }
506 } else
507 vlan = qemu_find_bt_vlan(0);
508 if (vlan)
509 return bt_new_hci(vlan);
510 }
511
512 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
513
514 return 0;
515 }
516
517 static int bt_hci_parse(const char *str)
518 {
519 struct HCIInfo *hci;
520 bdaddr_t bdaddr;
521
522 if (nb_hcis >= MAX_NICS) {
523 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
524 return -1;
525 }
526
527 hci = hci_init(str);
528 if (!hci)
529 return -1;
530
531 bdaddr.b[0] = 0x52;
532 bdaddr.b[1] = 0x54;
533 bdaddr.b[2] = 0x00;
534 bdaddr.b[3] = 0x12;
535 bdaddr.b[4] = 0x34;
536 bdaddr.b[5] = 0x56 + nb_hcis;
537 hci->bdaddr_set(hci, bdaddr.b);
538
539 hci_table[nb_hcis++] = hci;
540
541 return 0;
542 }
543
544 static void bt_vhci_add(int vlan_id)
545 {
546 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
547
548 if (!vlan->slave)
549 fprintf(stderr, "qemu: warning: adding a VHCI to "
550 "an empty scatternet %i\n", vlan_id);
551
552 bt_vhci_init(bt_new_hci(vlan));
553 }
554
555 static struct bt_device_s *bt_device_add(const char *opt)
556 {
557 struct bt_scatternet_s *vlan;
558 int vlan_id = 0;
559 char *endp = strstr(opt, ",vlan=");
560 int len = (endp ? endp - opt : strlen(opt)) + 1;
561 char devname[10];
562
563 pstrcpy(devname, MIN(sizeof(devname), len), opt);
564
565 if (endp) {
566 vlan_id = strtol(endp + 6, &endp, 0);
567 if (*endp) {
568 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
569 return 0;
570 }
571 }
572
573 vlan = qemu_find_bt_vlan(vlan_id);
574
575 if (!vlan->slave)
576 fprintf(stderr, "qemu: warning: adding a slave device to "
577 "an empty scatternet %i\n", vlan_id);
578
579 if (!strcmp(devname, "keyboard"))
580 return bt_keyboard_init(vlan);
581
582 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
583 return 0;
584 }
585
586 static int bt_parse(const char *opt)
587 {
588 const char *endp, *p;
589 int vlan;
590
591 if (strstart(opt, "hci", &endp)) {
592 if (!*endp || *endp == ',') {
593 if (*endp)
594 if (!strstart(endp, ",vlan=", 0))
595 opt = endp + 1;
596
597 return bt_hci_parse(opt);
598 }
599 } else if (strstart(opt, "vhci", &endp)) {
600 if (!*endp || *endp == ',') {
601 if (*endp) {
602 if (strstart(endp, ",vlan=", &p)) {
603 vlan = strtol(p, (char **) &endp, 0);
604 if (*endp) {
605 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
606 return 1;
607 }
608 } else {
609 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
610 return 1;
611 }
612 } else
613 vlan = 0;
614
615 bt_vhci_add(vlan);
616 return 0;
617 }
618 } else if (strstart(opt, "device:", &endp))
619 return !bt_device_add(endp);
620
621 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
622 return 1;
623 }
624
625 /***********************************************************/
626 /* QEMU Block devices */
627
628 #define HD_ALIAS "index=%d,media=disk"
629 #define CDROM_ALIAS "index=2,media=cdrom"
630 #define FD_ALIAS "index=%d,if=floppy"
631 #define PFLASH_ALIAS "if=pflash"
632 #define MTD_ALIAS "if=mtd"
633 #define SD_ALIAS "index=0,if=sd"
634
635 static int drive_init_func(QemuOpts *opts, void *opaque)
636 {
637 int *use_scsi = opaque;
638 int fatal_error = 0;
639
640 if (drive_init(opts, *use_scsi, &fatal_error) == NULL) {
641 if (fatal_error)
642 return 1;
643 }
644 return 0;
645 }
646
647 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
648 {
649 if (NULL == qemu_opt_get(opts, "snapshot")) {
650 qemu_opt_set(opts, "snapshot", "on");
651 }
652 return 0;
653 }
654
655 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
656 {
657 boot_set_handler = func;
658 boot_set_opaque = opaque;
659 }
660
661 int qemu_boot_set(const char *boot_devices)
662 {
663 if (!boot_set_handler) {
664 return -EINVAL;
665 }
666 return boot_set_handler(boot_set_opaque, boot_devices);
667 }
668
669 static void validate_bootdevices(char *devices)
670 {
671 /* We just do some generic consistency checks */
672 const char *p;
673 int bitmap = 0;
674
675 for (p = devices; *p != '\0'; p++) {
676 /* Allowed boot devices are:
677 * a-b: floppy disk drives
678 * c-f: IDE disk drives
679 * g-m: machine implementation dependant drives
680 * n-p: network devices
681 * It's up to each machine implementation to check if the given boot
682 * devices match the actual hardware implementation and firmware
683 * features.
684 */
685 if (*p < 'a' || *p > 'p') {
686 fprintf(stderr, "Invalid boot device '%c'\n", *p);
687 exit(1);
688 }
689 if (bitmap & (1 << (*p - 'a'))) {
690 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
691 exit(1);
692 }
693 bitmap |= 1 << (*p - 'a');
694 }
695 }
696
697 static void restore_boot_devices(void *opaque)
698 {
699 char *standard_boot_devices = opaque;
700 static int first = 1;
701
702 /* Restore boot order and remove ourselves after the first boot */
703 if (first) {
704 first = 0;
705 return;
706 }
707
708 qemu_boot_set(standard_boot_devices);
709
710 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
711 qemu_free(standard_boot_devices);
712 }
713
714 static void numa_add(const char *optarg)
715 {
716 char option[128];
717 char *endptr;
718 unsigned long long value, endvalue;
719 int nodenr;
720
721 optarg = get_opt_name(option, 128, optarg, ',') + 1;
722 if (!strcmp(option, "node")) {
723 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
724 nodenr = nb_numa_nodes;
725 } else {
726 nodenr = strtoull(option, NULL, 10);
727 }
728
729 if (get_param_value(option, 128, "mem", optarg) == 0) {
730 node_mem[nodenr] = 0;
731 } else {
732 value = strtoull(option, &endptr, 0);
733 switch (*endptr) {
734 case 0: case 'M': case 'm':
735 value <<= 20;
736 break;
737 case 'G': case 'g':
738 value <<= 30;
739 break;
740 }
741 node_mem[nodenr] = value;
742 }
743 if (get_param_value(option, 128, "cpus", optarg) == 0) {
744 node_cpumask[nodenr] = 0;
745 } else {
746 value = strtoull(option, &endptr, 10);
747 if (value >= 64) {
748 value = 63;
749 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
750 } else {
751 if (*endptr == '-') {
752 endvalue = strtoull(endptr+1, &endptr, 10);
753 if (endvalue >= 63) {
754 endvalue = 62;
755 fprintf(stderr,
756 "only 63 CPUs in NUMA mode supported.\n");
757 }
758 value = (2ULL << endvalue) - (1ULL << value);
759 } else {
760 value = 1ULL << value;
761 }
762 }
763 node_cpumask[nodenr] = value;
764 }
765 nb_numa_nodes++;
766 }
767 return;
768 }
769
770 static void smp_parse(const char *optarg)
771 {
772 int smp, sockets = 0, threads = 0, cores = 0;
773 char *endptr;
774 char option[128];
775
776 smp = strtoul(optarg, &endptr, 10);
777 if (endptr != optarg) {
778 if (*endptr == ',') {
779 endptr++;
780 }
781 }
782 if (get_param_value(option, 128, "sockets", endptr) != 0)
783 sockets = strtoull(option, NULL, 10);
784 if (get_param_value(option, 128, "cores", endptr) != 0)
785 cores = strtoull(option, NULL, 10);
786 if (get_param_value(option, 128, "threads", endptr) != 0)
787 threads = strtoull(option, NULL, 10);
788 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
789 max_cpus = strtoull(option, NULL, 10);
790
791 /* compute missing values, prefer sockets over cores over threads */
792 if (smp == 0 || sockets == 0) {
793 sockets = sockets > 0 ? sockets : 1;
794 cores = cores > 0 ? cores : 1;
795 threads = threads > 0 ? threads : 1;
796 if (smp == 0) {
797 smp = cores * threads * sockets;
798 }
799 } else {
800 if (cores == 0) {
801 threads = threads > 0 ? threads : 1;
802 cores = smp / (sockets * threads);
803 } else {
804 threads = smp / (cores * sockets);
805 }
806 }
807 smp_cpus = smp;
808 smp_cores = cores > 0 ? cores : 1;
809 smp_threads = threads > 0 ? threads : 1;
810 if (max_cpus == 0)
811 max_cpus = smp_cpus;
812 }
813
814 /***********************************************************/
815 /* USB devices */
816
817 static int usb_device_add(const char *devname)
818 {
819 const char *p;
820 USBDevice *dev = NULL;
821
822 if (!usb_enabled)
823 return -1;
824
825 /* drivers with .usbdevice_name entry in USBDeviceInfo */
826 dev = usbdevice_create(devname);
827 if (dev)
828 goto done;
829
830 /* the other ones */
831 if (strstart(devname, "host:", &p)) {
832 dev = usb_host_device_open(p);
833 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
834 dev = usb_bt_init(devname[2] ? hci_init(p) :
835 bt_new_hci(qemu_find_bt_vlan(0)));
836 } else {
837 return -1;
838 }
839 if (!dev)
840 return -1;
841
842 done:
843 return 0;
844 }
845
846 static int usb_device_del(const char *devname)
847 {
848 int bus_num, addr;
849 const char *p;
850
851 if (strstart(devname, "host:", &p))
852 return usb_host_device_close(p);
853
854 if (!usb_enabled)
855 return -1;
856
857 p = strchr(devname, '.');
858 if (!p)
859 return -1;
860 bus_num = strtoul(devname, NULL, 0);
861 addr = strtoul(p + 1, NULL, 0);
862
863 return usb_device_delete_addr(bus_num, addr);
864 }
865
866 static int usb_parse(const char *cmdline)
867 {
868 int r;
869 r = usb_device_add(cmdline);
870 if (r < 0) {
871 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
872 }
873 return r;
874 }
875
876 void do_usb_add(Monitor *mon, const QDict *qdict)
877 {
878 const char *devname = qdict_get_str(qdict, "devname");
879 if (usb_device_add(devname) < 0) {
880 error_report("could not add USB device '%s'", devname);
881 }
882 }
883
884 void do_usb_del(Monitor *mon, const QDict *qdict)
885 {
886 const char *devname = qdict_get_str(qdict, "devname");
887 if (usb_device_del(devname) < 0) {
888 error_report("could not delete USB device '%s'", devname);
889 }
890 }
891
892 /***********************************************************/
893 /* PCMCIA/Cardbus */
894
895 static struct pcmcia_socket_entry_s {
896 PCMCIASocket *socket;
897 struct pcmcia_socket_entry_s *next;
898 } *pcmcia_sockets = 0;
899
900 void pcmcia_socket_register(PCMCIASocket *socket)
901 {
902 struct pcmcia_socket_entry_s *entry;
903
904 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
905 entry->socket = socket;
906 entry->next = pcmcia_sockets;
907 pcmcia_sockets = entry;
908 }
909
910 void pcmcia_socket_unregister(PCMCIASocket *socket)
911 {
912 struct pcmcia_socket_entry_s *entry, **ptr;
913
914 ptr = &pcmcia_sockets;
915 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
916 if (entry->socket == socket) {
917 *ptr = entry->next;
918 qemu_free(entry);
919 }
920 }
921
922 void pcmcia_info(Monitor *mon)
923 {
924 struct pcmcia_socket_entry_s *iter;
925
926 if (!pcmcia_sockets)
927 monitor_printf(mon, "No PCMCIA sockets\n");
928
929 for (iter = pcmcia_sockets; iter; iter = iter->next)
930 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
931 iter->socket->attached ? iter->socket->card_string :
932 "Empty");
933 }
934
935 /***********************************************************/
936 /* I/O handling */
937
938 typedef struct IOHandlerRecord {
939 int fd;
940 IOCanReadHandler *fd_read_poll;
941 IOHandler *fd_read;
942 IOHandler *fd_write;
943 int deleted;
944 void *opaque;
945 /* temporary data */
946 struct pollfd *ufd;
947 QLIST_ENTRY(IOHandlerRecord) next;
948 } IOHandlerRecord;
949
950 static QLIST_HEAD(, IOHandlerRecord) io_handlers =
951 QLIST_HEAD_INITIALIZER(io_handlers);
952
953
954 /* XXX: fd_read_poll should be suppressed, but an API change is
955 necessary in the character devices to suppress fd_can_read(). */
956 int qemu_set_fd_handler2(int fd,
957 IOCanReadHandler *fd_read_poll,
958 IOHandler *fd_read,
959 IOHandler *fd_write,
960 void *opaque)
961 {
962 IOHandlerRecord *ioh;
963
964 if (!fd_read && !fd_write) {
965 QLIST_FOREACH(ioh, &io_handlers, next) {
966 if (ioh->fd == fd) {
967 ioh->deleted = 1;
968 break;
969 }
970 }
971 } else {
972 QLIST_FOREACH(ioh, &io_handlers, next) {
973 if (ioh->fd == fd)
974 goto found;
975 }
976 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
977 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
978 found:
979 ioh->fd = fd;
980 ioh->fd_read_poll = fd_read_poll;
981 ioh->fd_read = fd_read;
982 ioh->fd_write = fd_write;
983 ioh->opaque = opaque;
984 ioh->deleted = 0;
985 }
986 return 0;
987 }
988
989 int qemu_set_fd_handler(int fd,
990 IOHandler *fd_read,
991 IOHandler *fd_write,
992 void *opaque)
993 {
994 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
995 }
996
997 /***********************************************************/
998 /* machine registration */
999
1000 static QEMUMachine *first_machine = NULL;
1001 QEMUMachine *current_machine = NULL;
1002
1003 int qemu_register_machine(QEMUMachine *m)
1004 {
1005 QEMUMachine **pm;
1006 pm = &first_machine;
1007 while (*pm != NULL)
1008 pm = &(*pm)->next;
1009 m->next = NULL;
1010 *pm = m;
1011 return 0;
1012 }
1013
1014 static QEMUMachine *find_machine(const char *name)
1015 {
1016 QEMUMachine *m;
1017
1018 for(m = first_machine; m != NULL; m = m->next) {
1019 if (!strcmp(m->name, name))
1020 return m;
1021 if (m->alias && !strcmp(m->alias, name))
1022 return m;
1023 }
1024 return NULL;
1025 }
1026
1027 static QEMUMachine *find_default_machine(void)
1028 {
1029 QEMUMachine *m;
1030
1031 for(m = first_machine; m != NULL; m = m->next) {
1032 if (m->is_default) {
1033 return m;
1034 }
1035 }
1036 return NULL;
1037 }
1038
1039 /***********************************************************/
1040 /* main execution loop */
1041
1042 static void gui_update(void *opaque)
1043 {
1044 uint64_t interval = GUI_REFRESH_INTERVAL;
1045 DisplayState *ds = opaque;
1046 DisplayChangeListener *dcl = ds->listeners;
1047
1048 qemu_flush_coalesced_mmio_buffer();
1049 dpy_refresh(ds);
1050
1051 while (dcl != NULL) {
1052 if (dcl->gui_timer_interval &&
1053 dcl->gui_timer_interval < interval)
1054 interval = dcl->gui_timer_interval;
1055 dcl = dcl->next;
1056 }
1057 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1058 }
1059
1060 static void nographic_update(void *opaque)
1061 {
1062 uint64_t interval = GUI_REFRESH_INTERVAL;
1063
1064 qemu_flush_coalesced_mmio_buffer();
1065 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1066 }
1067
1068 struct vm_change_state_entry {
1069 VMChangeStateHandler *cb;
1070 void *opaque;
1071 QLIST_ENTRY (vm_change_state_entry) entries;
1072 };
1073
1074 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1075
1076 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1077 void *opaque)
1078 {
1079 VMChangeStateEntry *e;
1080
1081 e = qemu_mallocz(sizeof (*e));
1082
1083 e->cb = cb;
1084 e->opaque = opaque;
1085 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1086 return e;
1087 }
1088
1089 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1090 {
1091 QLIST_REMOVE (e, entries);
1092 qemu_free (e);
1093 }
1094
1095 void vm_state_notify(int running, int reason)
1096 {
1097 VMChangeStateEntry *e;
1098
1099 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1100 e->cb(e->opaque, running, reason);
1101 }
1102 }
1103
1104 void vm_start(void)
1105 {
1106 if (!vm_running) {
1107 cpu_enable_ticks();
1108 vm_running = 1;
1109 vm_state_notify(1, 0);
1110 resume_all_vcpus();
1111 monitor_protocol_event(QEVENT_RESUME, NULL);
1112 }
1113 }
1114
1115 /* reset/shutdown handler */
1116
1117 typedef struct QEMUResetEntry {
1118 QTAILQ_ENTRY(QEMUResetEntry) entry;
1119 QEMUResetHandler *func;
1120 void *opaque;
1121 } QEMUResetEntry;
1122
1123 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1124 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1125 static int reset_requested;
1126 static int shutdown_requested;
1127 static int powerdown_requested;
1128 int debug_requested;
1129 int vmstop_requested;
1130
1131 int qemu_shutdown_requested(void)
1132 {
1133 int r = shutdown_requested;
1134 shutdown_requested = 0;
1135 return r;
1136 }
1137
1138 int qemu_reset_requested(void)
1139 {
1140 int r = reset_requested;
1141 reset_requested = 0;
1142 return r;
1143 }
1144
1145 int qemu_powerdown_requested(void)
1146 {
1147 int r = powerdown_requested;
1148 powerdown_requested = 0;
1149 return r;
1150 }
1151
1152 static int qemu_debug_requested(void)
1153 {
1154 int r = debug_requested;
1155 debug_requested = 0;
1156 return r;
1157 }
1158
1159 static int qemu_vmstop_requested(void)
1160 {
1161 int r = vmstop_requested;
1162 vmstop_requested = 0;
1163 return r;
1164 }
1165
1166 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1167 {
1168 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1169
1170 re->func = func;
1171 re->opaque = opaque;
1172 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1173 }
1174
1175 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1176 {
1177 QEMUResetEntry *re;
1178
1179 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1180 if (re->func == func && re->opaque == opaque) {
1181 QTAILQ_REMOVE(&reset_handlers, re, entry);
1182 qemu_free(re);
1183 return;
1184 }
1185 }
1186 }
1187
1188 void qemu_system_reset(void)
1189 {
1190 QEMUResetEntry *re, *nre;
1191
1192 /* reset all devices */
1193 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1194 re->func(re->opaque);
1195 }
1196 monitor_protocol_event(QEVENT_RESET, NULL);
1197 cpu_synchronize_all_post_reset();
1198 }
1199
1200 void qemu_system_reset_request(void)
1201 {
1202 if (no_reboot) {
1203 shutdown_requested = 1;
1204 } else {
1205 reset_requested = 1;
1206 }
1207 qemu_notify_event();
1208 }
1209
1210 void qemu_system_shutdown_request(void)
1211 {
1212 shutdown_requested = 1;
1213 qemu_notify_event();
1214 }
1215
1216 void qemu_system_powerdown_request(void)
1217 {
1218 powerdown_requested = 1;
1219 qemu_notify_event();
1220 }
1221
1222 void main_loop_wait(int nonblocking)
1223 {
1224 IOHandlerRecord *ioh;
1225 fd_set rfds, wfds, xfds;
1226 int ret, nfds;
1227 struct timeval tv;
1228 int timeout;
1229
1230 if (nonblocking)
1231 timeout = 0;
1232 else {
1233 timeout = qemu_calculate_timeout();
1234 qemu_bh_update_timeout(&timeout);
1235 }
1236
1237 os_host_main_loop_wait(&timeout);
1238
1239 /* poll any events */
1240 /* XXX: separate device handlers from system ones */
1241 nfds = -1;
1242 FD_ZERO(&rfds);
1243 FD_ZERO(&wfds);
1244 FD_ZERO(&xfds);
1245 QLIST_FOREACH(ioh, &io_handlers, next) {
1246 if (ioh->deleted)
1247 continue;
1248 if (ioh->fd_read &&
1249 (!ioh->fd_read_poll ||
1250 ioh->fd_read_poll(ioh->opaque) != 0)) {
1251 FD_SET(ioh->fd, &rfds);
1252 if (ioh->fd > nfds)
1253 nfds = ioh->fd;
1254 }
1255 if (ioh->fd_write) {
1256 FD_SET(ioh->fd, &wfds);
1257 if (ioh->fd > nfds)
1258 nfds = ioh->fd;
1259 }
1260 }
1261
1262 tv.tv_sec = timeout / 1000;
1263 tv.tv_usec = (timeout % 1000) * 1000;
1264
1265 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1266
1267 qemu_mutex_unlock_iothread();
1268 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1269 qemu_mutex_lock_iothread();
1270 if (ret > 0) {
1271 IOHandlerRecord *pioh;
1272
1273 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1274 if (ioh->deleted) {
1275 QLIST_REMOVE(ioh, next);
1276 qemu_free(ioh);
1277 continue;
1278 }
1279 if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1280 ioh->fd_read(ioh->opaque);
1281 }
1282 if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1283 ioh->fd_write(ioh->opaque);
1284 }
1285 }
1286 }
1287
1288 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1289
1290 qemu_run_all_timers();
1291
1292 /* Check bottom-halves last in case any of the earlier events triggered
1293 them. */
1294 qemu_bh_poll();
1295
1296 }
1297
1298 static int vm_can_run(void)
1299 {
1300 if (powerdown_requested)
1301 return 0;
1302 if (reset_requested)
1303 return 0;
1304 if (shutdown_requested)
1305 return 0;
1306 if (debug_requested)
1307 return 0;
1308 return 1;
1309 }
1310
1311 qemu_irq qemu_system_powerdown;
1312
1313 static void main_loop(void)
1314 {
1315 int r;
1316
1317 qemu_main_loop_start();
1318
1319 for (;;) {
1320 do {
1321 bool nonblocking = false;
1322 #ifdef CONFIG_PROFILER
1323 int64_t ti;
1324 #endif
1325 #ifndef CONFIG_IOTHREAD
1326 nonblocking = cpu_exec_all();
1327 #endif
1328 #ifdef CONFIG_PROFILER
1329 ti = profile_getclock();
1330 #endif
1331 main_loop_wait(nonblocking);
1332 #ifdef CONFIG_PROFILER
1333 dev_time += profile_getclock() - ti;
1334 #endif
1335 } while (vm_can_run());
1336
1337 if ((r = qemu_debug_requested())) {
1338 vm_stop(r);
1339 }
1340 if (qemu_shutdown_requested()) {
1341 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1342 if (no_shutdown) {
1343 vm_stop(0);
1344 no_shutdown = 0;
1345 } else
1346 break;
1347 }
1348 if (qemu_reset_requested()) {
1349 pause_all_vcpus();
1350 qemu_system_reset();
1351 resume_all_vcpus();
1352 }
1353 if (qemu_powerdown_requested()) {
1354 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1355 qemu_irq_raise(qemu_system_powerdown);
1356 }
1357 if ((r = qemu_vmstop_requested())) {
1358 vm_stop(r);
1359 }
1360 }
1361 bdrv_close_all();
1362 pause_all_vcpus();
1363 }
1364
1365 static void version(void)
1366 {
1367 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1368 }
1369
1370 static void help(int exitcode)
1371 {
1372 const char *options_help =
1373 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1374 opt_help
1375 #define DEFHEADING(text) stringify(text) "\n"
1376 #include "qemu-options.def"
1377 #undef DEF
1378 #undef DEFHEADING
1379 #undef GEN_DOCS
1380 ;
1381 version();
1382 printf("usage: %s [options] [disk_image]\n"
1383 "\n"
1384 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1385 "\n"
1386 "%s\n"
1387 "During emulation, the following keys are useful:\n"
1388 "ctrl-alt-f toggle full screen\n"
1389 "ctrl-alt-n switch to virtual console 'n'\n"
1390 "ctrl-alt toggle mouse and keyboard grab\n"
1391 "\n"
1392 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1393 "qemu",
1394 options_help);
1395 exit(exitcode);
1396 }
1397
1398 #define HAS_ARG 0x0001
1399
1400 typedef struct QEMUOption {
1401 const char *name;
1402 int flags;
1403 int index;
1404 uint32_t arch_mask;
1405 } QEMUOption;
1406
1407 static const QEMUOption qemu_options[] = {
1408 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1409 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1410 { option, opt_arg, opt_enum, arch_mask },
1411 #define DEFHEADING(text)
1412 #include "qemu-options.def"
1413 #undef DEF
1414 #undef DEFHEADING
1415 #undef GEN_DOCS
1416 { NULL },
1417 };
1418 static void select_vgahw (const char *p)
1419 {
1420 const char *opts;
1421
1422 default_vga = 0;
1423 vga_interface_type = VGA_NONE;
1424 if (strstart(p, "std", &opts)) {
1425 vga_interface_type = VGA_STD;
1426 } else if (strstart(p, "cirrus", &opts)) {
1427 vga_interface_type = VGA_CIRRUS;
1428 } else if (strstart(p, "vmware", &opts)) {
1429 vga_interface_type = VGA_VMWARE;
1430 } else if (strstart(p, "xenfb", &opts)) {
1431 vga_interface_type = VGA_XENFB;
1432 } else if (!strstart(p, "none", &opts)) {
1433 invalid_vga:
1434 fprintf(stderr, "Unknown vga type: %s\n", p);
1435 exit(1);
1436 }
1437 while (*opts) {
1438 const char *nextopt;
1439
1440 if (strstart(opts, ",retrace=", &nextopt)) {
1441 opts = nextopt;
1442 if (strstart(opts, "dumb", &nextopt))
1443 vga_retrace_method = VGA_RETRACE_DUMB;
1444 else if (strstart(opts, "precise", &nextopt))
1445 vga_retrace_method = VGA_RETRACE_PRECISE;
1446 else goto invalid_vga;
1447 } else goto invalid_vga;
1448 opts = nextopt;
1449 }
1450 }
1451
1452 static int balloon_parse(const char *arg)
1453 {
1454 QemuOpts *opts;
1455
1456 if (strcmp(arg, "none") == 0) {
1457 return 0;
1458 }
1459
1460 if (!strncmp(arg, "virtio", 6)) {
1461 if (arg[6] == ',') {
1462 /* have params -> parse them */
1463 opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
1464 if (!opts)
1465 return -1;
1466 } else {
1467 /* create empty opts */
1468 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1469 }
1470 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1471 return 0;
1472 }
1473
1474 return -1;
1475 }
1476
1477 char *qemu_find_file(int type, const char *name)
1478 {
1479 int len;
1480 const char *subdir;
1481 char *buf;
1482
1483 /* If name contains path separators then try it as a straight path. */
1484 if ((strchr(name, '/') || strchr(name, '\\'))
1485 && access(name, R_OK) == 0) {
1486 return qemu_strdup(name);
1487 }
1488 switch (type) {
1489 case QEMU_FILE_TYPE_BIOS:
1490 subdir = "";
1491 break;
1492 case QEMU_FILE_TYPE_KEYMAP:
1493 subdir = "keymaps/";
1494 break;
1495 default:
1496 abort();
1497 }
1498 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1499 buf = qemu_mallocz(len);
1500 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1501 if (access(buf, R_OK)) {
1502 qemu_free(buf);
1503 return NULL;
1504 }
1505 return buf;
1506 }
1507
1508 static int device_help_func(QemuOpts *opts, void *opaque)
1509 {
1510 return qdev_device_help(opts);
1511 }
1512
1513 static int device_init_func(QemuOpts *opts, void *opaque)
1514 {
1515 DeviceState *dev;
1516
1517 dev = qdev_device_add(opts);
1518 if (!dev)
1519 return -1;
1520 return 0;
1521 }
1522
1523 static int chardev_init_func(QemuOpts *opts, void *opaque)
1524 {
1525 CharDriverState *chr;
1526
1527 chr = qemu_chr_open_opts(opts, NULL);
1528 if (!chr)
1529 return -1;
1530 return 0;
1531 }
1532
1533 #ifdef CONFIG_VIRTFS
1534 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1535 {
1536 int ret;
1537 ret = qemu_fsdev_add(opts);
1538
1539 return ret;
1540 }
1541 #endif
1542
1543 static int mon_init_func(QemuOpts *opts, void *opaque)
1544 {
1545 CharDriverState *chr;
1546 const char *chardev;
1547 const char *mode;
1548 int flags;
1549
1550 mode = qemu_opt_get(opts, "mode");
1551 if (mode == NULL) {
1552 mode = "readline";
1553 }
1554 if (strcmp(mode, "readline") == 0) {
1555 flags = MONITOR_USE_READLINE;
1556 } else if (strcmp(mode, "control") == 0) {
1557 flags = MONITOR_USE_CONTROL;
1558 } else {
1559 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1560 exit(1);
1561 }
1562
1563 if (qemu_opt_get_bool(opts, "default", 0))
1564 flags |= MONITOR_IS_DEFAULT;
1565
1566 chardev = qemu_opt_get(opts, "chardev");
1567 chr = qemu_chr_find(chardev);
1568 if (chr == NULL) {
1569 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1570 exit(1);
1571 }
1572
1573 monitor_init(chr, flags);
1574 return 0;
1575 }
1576
1577 static void monitor_parse(const char *optarg, const char *mode)
1578 {
1579 static int monitor_device_index = 0;
1580 QemuOpts *opts;
1581 const char *p;
1582 char label[32];
1583 int def = 0;
1584
1585 if (strstart(optarg, "chardev:", &p)) {
1586 snprintf(label, sizeof(label), "%s", p);
1587 } else {
1588 snprintf(label, sizeof(label), "compat_monitor%d",
1589 monitor_device_index);
1590 if (monitor_device_index == 0) {
1591 def = 1;
1592 }
1593 opts = qemu_chr_parse_compat(label, optarg);
1594 if (!opts) {
1595 fprintf(stderr, "parse error: %s\n", optarg);
1596 exit(1);
1597 }
1598 }
1599
1600 opts = qemu_opts_create(&qemu_mon_opts, label, 1);
1601 if (!opts) {
1602 fprintf(stderr, "duplicate chardev: %s\n", label);
1603 exit(1);
1604 }
1605 qemu_opt_set(opts, "mode", mode);
1606 qemu_opt_set(opts, "chardev", label);
1607 if (def)
1608 qemu_opt_set(opts, "default", "on");
1609 monitor_device_index++;
1610 }
1611
1612 struct device_config {
1613 enum {
1614 DEV_USB, /* -usbdevice */
1615 DEV_BT, /* -bt */
1616 DEV_SERIAL, /* -serial */
1617 DEV_PARALLEL, /* -parallel */
1618 DEV_VIRTCON, /* -virtioconsole */
1619 DEV_DEBUGCON, /* -debugcon */
1620 } type;
1621 const char *cmdline;
1622 QTAILQ_ENTRY(device_config) next;
1623 };
1624 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1625
1626 static void add_device_config(int type, const char *cmdline)
1627 {
1628 struct device_config *conf;
1629
1630 conf = qemu_mallocz(sizeof(*conf));
1631 conf->type = type;
1632 conf->cmdline = cmdline;
1633 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1634 }
1635
1636 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1637 {
1638 struct device_config *conf;
1639 int rc;
1640
1641 QTAILQ_FOREACH(conf, &device_configs, next) {
1642 if (conf->type != type)
1643 continue;
1644 rc = func(conf->cmdline);
1645 if (0 != rc)
1646 return rc;
1647 }
1648 return 0;
1649 }
1650
1651 static int serial_parse(const char *devname)
1652 {
1653 static int index = 0;
1654 char label[32];
1655
1656 if (strcmp(devname, "none") == 0)
1657 return 0;
1658 if (index == MAX_SERIAL_PORTS) {
1659 fprintf(stderr, "qemu: too many serial ports\n");
1660 exit(1);
1661 }
1662 snprintf(label, sizeof(label), "serial%d", index);
1663 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1664 if (!serial_hds[index]) {
1665 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1666 devname, strerror(errno));
1667 return -1;
1668 }
1669 index++;
1670 return 0;
1671 }
1672
1673 static int parallel_parse(const char *devname)
1674 {
1675 static int index = 0;
1676 char label[32];
1677
1678 if (strcmp(devname, "none") == 0)
1679 return 0;
1680 if (index == MAX_PARALLEL_PORTS) {
1681 fprintf(stderr, "qemu: too many parallel ports\n");
1682 exit(1);
1683 }
1684 snprintf(label, sizeof(label), "parallel%d", index);
1685 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1686 if (!parallel_hds[index]) {
1687 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1688 devname, strerror(errno));
1689 return -1;
1690 }
1691 index++;
1692 return 0;
1693 }
1694
1695 static int virtcon_parse(const char *devname)
1696 {
1697 static int index = 0;
1698 char label[32];
1699 QemuOpts *bus_opts, *dev_opts;
1700
1701 if (strcmp(devname, "none") == 0)
1702 return 0;
1703 if (index == MAX_VIRTIO_CONSOLES) {
1704 fprintf(stderr, "qemu: too many virtio consoles\n");
1705 exit(1);
1706 }
1707
1708 bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1709 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1710
1711 dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1712 qemu_opt_set(dev_opts, "driver", "virtconsole");
1713
1714 snprintf(label, sizeof(label), "virtcon%d", index);
1715 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1716 if (!virtcon_hds[index]) {
1717 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1718 devname, strerror(errno));
1719 return -1;
1720 }
1721 qemu_opt_set(dev_opts, "chardev", label);
1722
1723 index++;
1724 return 0;
1725 }
1726
1727 static int debugcon_parse(const char *devname)
1728 {
1729 QemuOpts *opts;
1730
1731 if (!qemu_chr_open("debugcon", devname, NULL)) {
1732 exit(1);
1733 }
1734 opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1);
1735 if (!opts) {
1736 fprintf(stderr, "qemu: already have a debugcon device\n");
1737 exit(1);
1738 }
1739 qemu_opt_set(opts, "driver", "isa-debugcon");
1740 qemu_opt_set(opts, "chardev", "debugcon");
1741 return 0;
1742 }
1743
1744 void qemu_add_exit_notifier(Notifier *notify)
1745 {
1746 notifier_list_add(&exit_notifiers, notify);
1747 }
1748
1749 void qemu_remove_exit_notifier(Notifier *notify)
1750 {
1751 notifier_list_remove(&exit_notifiers, notify);
1752 }
1753
1754 static void qemu_run_exit_notifiers(void)
1755 {
1756 notifier_list_notify(&exit_notifiers);
1757 }
1758
1759 static const QEMUOption *lookup_opt(int argc, char **argv,
1760 const char **poptarg, int *poptind)
1761 {
1762 const QEMUOption *popt;
1763 int optind = *poptind;
1764 char *r = argv[optind];
1765 const char *optarg;
1766
1767 loc_set_cmdline(argv, optind, 1);
1768 optind++;
1769 /* Treat --foo the same as -foo. */
1770 if (r[1] == '-')
1771 r++;
1772 popt = qemu_options;
1773 for(;;) {
1774 if (!popt->name) {
1775 error_report("invalid option");
1776 exit(1);
1777 }
1778 if (!strcmp(popt->name, r + 1))
1779 break;
1780 popt++;
1781 }
1782 if (popt->flags & HAS_ARG) {
1783 if (optind >= argc) {
1784 error_report("requires an argument");
1785 exit(1);
1786 }
1787 optarg = argv[optind++];
1788 loc_set_cmdline(argv, optind - 2, 2);
1789 } else {
1790 optarg = NULL;
1791 }
1792
1793 *poptarg = optarg;
1794 *poptind = optind;
1795
1796 return popt;
1797 }
1798
1799 int main(int argc, char **argv, char **envp)
1800 {
1801 const char *gdbstub_dev = NULL;
1802 int i;
1803 int snapshot, linux_boot;
1804 const char *icount_option = NULL;
1805 const char *initrd_filename;
1806 const char *kernel_filename, *kernel_cmdline;
1807 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1808 DisplayState *ds;
1809 DisplayChangeListener *dcl;
1810 int cyls, heads, secs, translation;
1811 QemuOpts *hda_opts = NULL, *opts;
1812 int optind;
1813 const char *optarg;
1814 const char *loadvm = NULL;
1815 QEMUMachine *machine;
1816 const char *cpu_model;
1817 int tb_size;
1818 const char *pid_file = NULL;
1819 const char *incoming = NULL;
1820 int show_vnc_port = 0;
1821 int defconfig = 1;
1822
1823 atexit(qemu_run_exit_notifiers);
1824 error_set_progname(argv[0]);
1825
1826 init_clocks();
1827
1828 qemu_cache_utils_init(envp);
1829
1830 QLIST_INIT (&vm_change_state_head);
1831 os_setup_early_signal_handling();
1832
1833 module_call_init(MODULE_INIT_MACHINE);
1834 machine = find_default_machine();
1835 cpu_model = NULL;
1836 initrd_filename = NULL;
1837 ram_size = 0;
1838 snapshot = 0;
1839 kernel_filename = NULL;
1840 kernel_cmdline = "";
1841 cyls = heads = secs = 0;
1842 translation = BIOS_ATA_TRANSLATION_AUTO;
1843
1844 for (i = 0; i < MAX_NODES; i++) {
1845 node_mem[i] = 0;
1846 node_cpumask[i] = 0;
1847 }
1848
1849 nb_numa_nodes = 0;
1850 nb_nics = 0;
1851
1852 tb_size = 0;
1853 autostart= 1;
1854
1855 /* first pass of option parsing */
1856 optind = 1;
1857 while (optind < argc) {
1858 if (argv[optind][0] != '-') {
1859 /* disk image */
1860 optind++;
1861 continue;
1862 } else {
1863 const QEMUOption *popt;
1864
1865 popt = lookup_opt(argc, argv, &optarg, &optind);
1866 switch (popt->index) {
1867 case QEMU_OPTION_nodefconfig:
1868 defconfig=0;
1869 break;
1870 }
1871 }
1872 }
1873
1874 if (defconfig) {
1875 int ret;
1876
1877 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
1878 if (ret < 0 && ret != -ENOENT) {
1879 exit(1);
1880 }
1881
1882 ret = qemu_read_config_file(arch_config_name);
1883 if (ret < 0 && ret != -ENOENT) {
1884 exit(1);
1885 }
1886 }
1887 cpudef_init();
1888
1889 /* second pass of option parsing */
1890 optind = 1;
1891 for(;;) {
1892 if (optind >= argc)
1893 break;
1894 if (argv[optind][0] != '-') {
1895 hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
1896 } else {
1897 const QEMUOption *popt;
1898
1899 popt = lookup_opt(argc, argv, &optarg, &optind);
1900 if (!(popt->arch_mask & arch_type)) {
1901 printf("Option %s not supported for this target\n", popt->name);
1902 exit(1);
1903 }
1904 switch(popt->index) {
1905 case QEMU_OPTION_M:
1906 machine = find_machine(optarg);
1907 if (!machine) {
1908 QEMUMachine *m;
1909 printf("Supported machines are:\n");
1910 for(m = first_machine; m != NULL; m = m->next) {
1911 if (m->alias)
1912 printf("%-10s %s (alias of %s)\n",
1913 m->alias, m->desc, m->name);
1914 printf("%-10s %s%s\n",
1915 m->name, m->desc,
1916 m->is_default ? " (default)" : "");
1917 }
1918 exit(*optarg != '?');
1919 }
1920 break;
1921 case QEMU_OPTION_cpu:
1922 /* hw initialization will check this */
1923 if (*optarg == '?') {
1924 list_cpus(stdout, &fprintf, optarg);
1925 exit(0);
1926 } else {
1927 cpu_model = optarg;
1928 }
1929 break;
1930 case QEMU_OPTION_initrd:
1931 initrd_filename = optarg;
1932 break;
1933 case QEMU_OPTION_hda:
1934 if (cyls == 0)
1935 hda_opts = drive_add(optarg, HD_ALIAS, 0);
1936 else
1937 hda_opts = drive_add(optarg, HD_ALIAS
1938 ",cyls=%d,heads=%d,secs=%d%s",
1939 0, cyls, heads, secs,
1940 translation == BIOS_ATA_TRANSLATION_LBA ?
1941 ",trans=lba" :
1942 translation == BIOS_ATA_TRANSLATION_NONE ?
1943 ",trans=none" : "");
1944 break;
1945 case QEMU_OPTION_hdb:
1946 case QEMU_OPTION_hdc:
1947 case QEMU_OPTION_hdd:
1948 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
1949 break;
1950 case QEMU_OPTION_drive:
1951 drive_add(NULL, "%s", optarg);
1952 break;
1953 case QEMU_OPTION_set:
1954 if (qemu_set_option(optarg) != 0)
1955 exit(1);
1956 break;
1957 case QEMU_OPTION_global:
1958 if (qemu_global_option(optarg) != 0)
1959 exit(1);
1960 break;
1961 case QEMU_OPTION_mtdblock:
1962 drive_add(optarg, MTD_ALIAS);
1963 break;
1964 case QEMU_OPTION_sd:
1965 drive_add(optarg, SD_ALIAS);
1966 break;
1967 case QEMU_OPTION_pflash:
1968 drive_add(optarg, PFLASH_ALIAS);
1969 break;
1970 case QEMU_OPTION_snapshot:
1971 snapshot = 1;
1972 break;
1973 case QEMU_OPTION_hdachs:
1974 {
1975 const char *p;
1976 p = optarg;
1977 cyls = strtol(p, (char **)&p, 0);
1978 if (cyls < 1 || cyls > 16383)
1979 goto chs_fail;
1980 if (*p != ',')
1981 goto chs_fail;
1982 p++;
1983 heads = strtol(p, (char **)&p, 0);
1984 if (heads < 1 || heads > 16)
1985 goto chs_fail;
1986 if (*p != ',')
1987 goto chs_fail;
1988 p++;
1989 secs = strtol(p, (char **)&p, 0);
1990 if (secs < 1 || secs > 63)
1991 goto chs_fail;
1992 if (*p == ',') {
1993 p++;
1994 if (!strcmp(p, "none"))
1995 translation = BIOS_ATA_TRANSLATION_NONE;
1996 else if (!strcmp(p, "lba"))
1997 translation = BIOS_ATA_TRANSLATION_LBA;
1998 else if (!strcmp(p, "auto"))
1999 translation = BIOS_ATA_TRANSLATION_AUTO;
2000 else
2001 goto chs_fail;
2002 } else if (*p != '\0') {
2003 chs_fail:
2004 fprintf(stderr, "qemu: invalid physical CHS format\n");
2005 exit(1);
2006 }
2007 if (hda_opts != NULL) {
2008 char num[16];
2009 snprintf(num, sizeof(num), "%d", cyls);
2010 qemu_opt_set(hda_opts, "cyls", num);
2011 snprintf(num, sizeof(num), "%d", heads);
2012 qemu_opt_set(hda_opts, "heads", num);
2013 snprintf(num, sizeof(num), "%d", secs);
2014 qemu_opt_set(hda_opts, "secs", num);
2015 if (translation == BIOS_ATA_TRANSLATION_LBA)
2016 qemu_opt_set(hda_opts, "trans", "lba");
2017 if (translation == BIOS_ATA_TRANSLATION_NONE)
2018 qemu_opt_set(hda_opts, "trans", "none");
2019 }
2020 }
2021 break;
2022 case QEMU_OPTION_numa:
2023 if (nb_numa_nodes >= MAX_NODES) {
2024 fprintf(stderr, "qemu: too many NUMA nodes\n");
2025 exit(1);
2026 }
2027 numa_add(optarg);
2028 break;
2029 case QEMU_OPTION_nographic:
2030 display_type = DT_NOGRAPHIC;
2031 break;
2032 #ifdef CONFIG_CURSES
2033 case QEMU_OPTION_curses:
2034 display_type = DT_CURSES;
2035 break;
2036 #endif
2037 case QEMU_OPTION_portrait:
2038 graphic_rotate = 1;
2039 break;
2040 case QEMU_OPTION_kernel:
2041 kernel_filename = optarg;
2042 break;
2043 case QEMU_OPTION_append:
2044 kernel_cmdline = optarg;
2045 break;
2046 case QEMU_OPTION_cdrom:
2047 drive_add(optarg, CDROM_ALIAS);
2048 break;
2049 case QEMU_OPTION_boot:
2050 {
2051 static const char * const params[] = {
2052 "order", "once", "menu", NULL
2053 };
2054 char buf[sizeof(boot_devices)];
2055 char *standard_boot_devices;
2056 int legacy = 0;
2057
2058 if (!strchr(optarg, '=')) {
2059 legacy = 1;
2060 pstrcpy(buf, sizeof(buf), optarg);
2061 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2062 fprintf(stderr,
2063 "qemu: unknown boot parameter '%s' in '%s'\n",
2064 buf, optarg);
2065 exit(1);
2066 }
2067
2068 if (legacy ||
2069 get_param_value(buf, sizeof(buf), "order", optarg)) {
2070 validate_bootdevices(buf);
2071 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2072 }
2073 if (!legacy) {
2074 if (get_param_value(buf, sizeof(buf),
2075 "once", optarg)) {
2076 validate_bootdevices(buf);
2077 standard_boot_devices = qemu_strdup(boot_devices);
2078 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2079 qemu_register_reset(restore_boot_devices,
2080 standard_boot_devices);
2081 }
2082 if (get_param_value(buf, sizeof(buf),
2083 "menu", optarg)) {
2084 if (!strcmp(buf, "on")) {
2085 boot_menu = 1;
2086 } else if (!strcmp(buf, "off")) {
2087 boot_menu = 0;
2088 } else {
2089 fprintf(stderr,
2090 "qemu: invalid option value '%s'\n",
2091 buf);
2092 exit(1);
2093 }
2094 }
2095 }
2096 }
2097 break;
2098 case QEMU_OPTION_fda:
2099 case QEMU_OPTION_fdb:
2100 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
2101 break;
2102 case QEMU_OPTION_no_fd_bootchk:
2103 fd_bootchk = 0;
2104 break;
2105 case QEMU_OPTION_netdev:
2106 if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
2107 exit(1);
2108 }
2109 break;
2110 case QEMU_OPTION_net:
2111 if (net_client_parse(&qemu_net_opts, optarg) == -1) {
2112 exit(1);
2113 }
2114 break;
2115 #ifdef CONFIG_SLIRP
2116 case QEMU_OPTION_tftp:
2117 legacy_tftp_prefix = optarg;
2118 break;
2119 case QEMU_OPTION_bootp:
2120 legacy_bootp_filename = optarg;
2121 break;
2122 case QEMU_OPTION_redir:
2123 if (net_slirp_redir(optarg) < 0)
2124 exit(1);
2125 break;
2126 #endif
2127 case QEMU_OPTION_bt:
2128 add_device_config(DEV_BT, optarg);
2129 break;
2130 case QEMU_OPTION_audio_help:
2131 if (!(audio_available())) {
2132 printf("Option %s not supported for this target\n", popt->name);
2133 exit(1);
2134 }
2135 AUD_help ();
2136 exit (0);
2137 break;
2138 case QEMU_OPTION_soundhw:
2139 if (!(audio_available())) {
2140 printf("Option %s not supported for this target\n", popt->name);
2141 exit(1);
2142 }
2143 select_soundhw (optarg);
2144 break;
2145 case QEMU_OPTION_h:
2146 help(0);
2147 break;
2148 case QEMU_OPTION_version:
2149 version();
2150 exit(0);
2151 break;
2152 case QEMU_OPTION_m: {
2153 uint64_t value;
2154 char *ptr;
2155
2156 value = strtoul(optarg, &ptr, 10);
2157 switch (*ptr) {
2158 case 0: case 'M': case 'm':
2159 value <<= 20;
2160 break;
2161 case 'G': case 'g':
2162 value <<= 30;
2163 break;
2164 default:
2165 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2166 exit(1);
2167 }
2168
2169 /* On 32-bit hosts, QEMU is limited by virtual address space */
2170 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2171 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2172 exit(1);
2173 }
2174 if (value != (uint64_t)(ram_addr_t)value) {
2175 fprintf(stderr, "qemu: ram size too large\n");
2176 exit(1);
2177 }
2178 ram_size = value;
2179 break;
2180 }
2181 case QEMU_OPTION_mempath:
2182 mem_path = optarg;
2183 break;
2184 #ifdef MAP_POPULATE
2185 case QEMU_OPTION_mem_prealloc:
2186 mem_prealloc = 1;
2187 break;
2188 #endif
2189 case QEMU_OPTION_d:
2190 set_cpu_log(optarg);
2191 break;
2192 case QEMU_OPTION_s:
2193 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2194 break;
2195 case QEMU_OPTION_gdb:
2196 gdbstub_dev = optarg;
2197 break;
2198 case QEMU_OPTION_L:
2199 data_dir = optarg;
2200 break;
2201 case QEMU_OPTION_bios:
2202 bios_name = optarg;
2203 break;
2204 case QEMU_OPTION_singlestep:
2205 singlestep = 1;
2206 break;
2207 case QEMU_OPTION_S:
2208 autostart = 0;
2209 break;
2210 case QEMU_OPTION_k:
2211 keyboard_layout = optarg;
2212 break;
2213 case QEMU_OPTION_localtime:
2214 rtc_utc = 0;
2215 break;
2216 case QEMU_OPTION_vga:
2217 select_vgahw (optarg);
2218 break;
2219 case QEMU_OPTION_g:
2220 {
2221 const char *p;
2222 int w, h, depth;
2223 p = optarg;
2224 w = strtol(p, (char **)&p, 10);
2225 if (w <= 0) {
2226 graphic_error:
2227 fprintf(stderr, "qemu: invalid resolution or depth\n");
2228 exit(1);
2229 }
2230 if (*p != 'x')
2231 goto graphic_error;
2232 p++;
2233 h = strtol(p, (char **)&p, 10);
2234 if (h <= 0)
2235 goto graphic_error;
2236 if (*p == 'x') {
2237 p++;
2238 depth = strtol(p, (char **)&p, 10);
2239 if (depth != 8 && depth != 15 && depth != 16 &&
2240 depth != 24 && depth != 32)
2241 goto graphic_error;
2242 } else if (*p == '\0') {
2243 depth = graphic_depth;
2244 } else {
2245 goto graphic_error;
2246 }
2247
2248 graphic_width = w;
2249 graphic_height = h;
2250 graphic_depth = depth;
2251 }
2252 break;
2253 case QEMU_OPTION_echr:
2254 {
2255 char *r;
2256 term_escape_char = strtol(optarg, &r, 0);
2257 if (r == optarg)
2258 printf("Bad argument to echr\n");
2259 break;
2260 }
2261 case QEMU_OPTION_monitor:
2262 monitor_parse(optarg, "readline");
2263 default_monitor = 0;
2264 break;
2265 case QEMU_OPTION_qmp:
2266 monitor_parse(optarg, "control");
2267 default_monitor = 0;
2268 break;
2269 case QEMU_OPTION_mon:
2270 opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
2271 if (!opts) {
2272 exit(1);
2273 }
2274 default_monitor = 0;
2275 break;
2276 case QEMU_OPTION_chardev:
2277 opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
2278 if (!opts) {
2279 exit(1);
2280 }
2281 break;
2282 #ifdef CONFIG_VIRTFS
2283 case QEMU_OPTION_fsdev:
2284 opts = qemu_opts_parse(&qemu_fsdev_opts, optarg, 1);
2285 if (!opts) {
2286 fprintf(stderr, "parse error: %s\n", optarg);
2287 exit(1);
2288 }
2289 break;
2290 case QEMU_OPTION_virtfs: {
2291 char *arg_fsdev = NULL;
2292 char *arg_9p = NULL;
2293 int len = 0;
2294
2295 opts = qemu_opts_parse(&qemu_virtfs_opts, optarg, 1);
2296 if (!opts) {
2297 fprintf(stderr, "parse error: %s\n", optarg);
2298 exit(1);
2299 }
2300
2301 if (qemu_opt_get(opts, "fstype") == NULL ||
2302 qemu_opt_get(opts, "mount_tag") == NULL ||
2303 qemu_opt_get(opts, "path") == NULL ||
2304 qemu_opt_get(opts, "security_model") == NULL) {
2305 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2306 "security_model=[mapped|passthrough],"
2307 "mnt_tag=tag.\n");
2308 exit(1);
2309 }
2310
2311 len = strlen(",id=,path=,security_model=");
2312 len += strlen(qemu_opt_get(opts, "fstype"));
2313 len += strlen(qemu_opt_get(opts, "mount_tag"));
2314 len += strlen(qemu_opt_get(opts, "path"));
2315 len += strlen(qemu_opt_get(opts, "security_model"));
2316 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2317
2318 if (!arg_fsdev) {
2319 fprintf(stderr, "No memory to parse -fsdev for %s\n",
2320 optarg);
2321 exit(1);
2322 }
2323
2324 sprintf(arg_fsdev, "%s,id=%s,path=%s,security_model=%s",
2325 qemu_opt_get(opts, "fstype"),
2326 qemu_opt_get(opts, "mount_tag"),
2327 qemu_opt_get(opts, "path"),
2328 qemu_opt_get(opts, "security_model"));
2329
2330 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2331 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2332 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2333
2334 if (!arg_9p) {
2335 fprintf(stderr, "No memory to parse -device for %s\n",
2336 optarg);
2337 exit(1);
2338 }
2339
2340 sprintf(arg_9p, "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2341 qemu_opt_get(opts, "mount_tag"),
2342 qemu_opt_get(opts, "mount_tag"));
2343
2344 if (!qemu_opts_parse(&qemu_fsdev_opts, arg_fsdev, 1)) {
2345 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2346 exit(1);
2347 }
2348
2349 if (!qemu_opts_parse(&qemu_device_opts, arg_9p, 1)) {
2350 fprintf(stderr, "parse error [device]: %s\n", optarg);
2351 exit(1);
2352 }
2353
2354 qemu_free(arg_fsdev);
2355 qemu_free(arg_9p);
2356 break;
2357 }
2358 #endif
2359 case QEMU_OPTION_serial:
2360 add_device_config(DEV_SERIAL, optarg);
2361 default_serial = 0;
2362 if (strncmp(optarg, "mon:", 4) == 0) {
2363 default_monitor = 0;
2364 }
2365 break;
2366 case QEMU_OPTION_watchdog:
2367 if (watchdog) {
2368 fprintf(stderr,
2369 "qemu: only one watchdog option may be given\n");
2370 return 1;
2371 }
2372 watchdog = optarg;
2373 break;
2374 case QEMU_OPTION_watchdog_action:
2375 if (select_watchdog_action(optarg) == -1) {
2376 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2377 exit(1);
2378 }
2379 break;
2380 case QEMU_OPTION_virtiocon:
2381 add_device_config(DEV_VIRTCON, optarg);
2382 default_virtcon = 0;
2383 if (strncmp(optarg, "mon:", 4) == 0) {
2384 default_monitor = 0;
2385 }
2386 break;
2387 case QEMU_OPTION_parallel:
2388 add_device_config(DEV_PARALLEL, optarg);
2389 default_parallel = 0;
2390 if (strncmp(optarg, "mon:", 4) == 0) {
2391 default_monitor = 0;
2392 }
2393 break;
2394 case QEMU_OPTION_debugcon:
2395 add_device_config(DEV_DEBUGCON, optarg);
2396 break;
2397 case QEMU_OPTION_loadvm:
2398 loadvm = optarg;
2399 break;
2400 case QEMU_OPTION_full_screen:
2401 full_screen = 1;
2402 break;
2403 #ifdef CONFIG_SDL
2404 case QEMU_OPTION_no_frame:
2405 no_frame = 1;
2406 break;
2407 case QEMU_OPTION_alt_grab:
2408 alt_grab = 1;
2409 break;
2410 case QEMU_OPTION_ctrl_grab:
2411 ctrl_grab = 1;
2412 break;
2413 case QEMU_OPTION_no_quit:
2414 no_quit = 1;
2415 break;
2416 case QEMU_OPTION_sdl:
2417 display_type = DT_SDL;
2418 break;
2419 #endif
2420 case QEMU_OPTION_pidfile:
2421 pid_file = optarg;
2422 break;
2423 case QEMU_OPTION_win2k_hack:
2424 win2k_install_hack = 1;
2425 break;
2426 case QEMU_OPTION_rtc_td_hack:
2427 rtc_td_hack = 1;
2428 break;
2429 case QEMU_OPTION_acpitable:
2430 do_acpitable_option(optarg);
2431 break;
2432 case QEMU_OPTION_smbios:
2433 do_smbios_option(optarg);
2434 break;
2435 case QEMU_OPTION_enable_kvm:
2436 kvm_allowed = 1;
2437 break;
2438 case QEMU_OPTION_usb:
2439 usb_enabled = 1;
2440 break;
2441 case QEMU_OPTION_usbdevice:
2442 usb_enabled = 1;
2443 add_device_config(DEV_USB, optarg);
2444 break;
2445 case QEMU_OPTION_device:
2446 if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
2447 exit(1);
2448 }
2449 break;
2450 case QEMU_OPTION_smp:
2451 smp_parse(optarg);
2452 if (smp_cpus < 1) {
2453 fprintf(stderr, "Invalid number of CPUs\n");
2454 exit(1);
2455 }
2456 if (max_cpus < smp_cpus) {
2457 fprintf(stderr, "maxcpus must be equal to or greater than "
2458 "smp\n");
2459 exit(1);
2460 }
2461 if (max_cpus > 255) {
2462 fprintf(stderr, "Unsupported number of maxcpus\n");
2463 exit(1);
2464 }
2465 break;
2466 case QEMU_OPTION_vnc:
2467 display_type = DT_VNC;
2468 vnc_display = optarg;
2469 break;
2470 case QEMU_OPTION_no_acpi:
2471 acpi_enabled = 0;
2472 break;
2473 case QEMU_OPTION_no_hpet:
2474 no_hpet = 1;
2475 break;
2476 case QEMU_OPTION_balloon:
2477 if (balloon_parse(optarg) < 0) {
2478 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2479 exit(1);
2480 }
2481 break;
2482 case QEMU_OPTION_no_reboot:
2483 no_reboot = 1;
2484 break;
2485 case QEMU_OPTION_no_shutdown:
2486 no_shutdown = 1;
2487 break;
2488 case QEMU_OPTION_show_cursor:
2489 cursor_hide = 0;
2490 break;
2491 case QEMU_OPTION_uuid:
2492 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2493 fprintf(stderr, "Fail to parse UUID string."
2494 " Wrong format.\n");
2495 exit(1);
2496 }
2497 break;
2498 case QEMU_OPTION_option_rom:
2499 if (nb_option_roms >= MAX_OPTION_ROMS) {
2500 fprintf(stderr, "Too many option ROMs\n");
2501 exit(1);
2502 }
2503 option_rom[nb_option_roms] = optarg;
2504 nb_option_roms++;
2505 break;
2506 case QEMU_OPTION_semihosting:
2507 semihosting_enabled = 1;
2508 break;
2509 case QEMU_OPTION_name:
2510 qemu_name = qemu_strdup(optarg);
2511 {
2512 char *p = strchr(qemu_name, ',');
2513 if (p != NULL) {
2514 *p++ = 0;
2515 if (strncmp(p, "process=", 8)) {
2516 fprintf(stderr, "Unknown subargument %s to -name", p);
2517 exit(1);
2518 }
2519 p += 8;
2520 os_set_proc_name(p);
2521 }
2522 }
2523 break;
2524 case QEMU_OPTION_prom_env:
2525 if (nb_prom_envs >= MAX_PROM_ENVS) {
2526 fprintf(stderr, "Too many prom variables\n");
2527 exit(1);
2528 }
2529 prom_envs[nb_prom_envs] = optarg;
2530 nb_prom_envs++;
2531 break;
2532 case QEMU_OPTION_old_param:
2533 old_param = 1;
2534 break;
2535 case QEMU_OPTION_clock:
2536 configure_alarms(optarg);
2537 break;
2538 case QEMU_OPTION_startdate:
2539 configure_rtc_date_offset(optarg, 1);
2540 break;
2541 case QEMU_OPTION_rtc:
2542 opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
2543 if (!opts) {
2544 exit(1);
2545 }
2546 configure_rtc(opts);
2547 break;
2548 case QEMU_OPTION_tb_size:
2549 tb_size = strtol(optarg, NULL, 0);
2550 if (tb_size < 0)
2551 tb_size = 0;
2552 break;
2553 case QEMU_OPTION_icount:
2554 icount_option = optarg;
2555 break;
2556 case QEMU_OPTION_incoming:
2557 incoming = optarg;
2558 break;
2559 case QEMU_OPTION_nodefaults:
2560 default_serial = 0;
2561 default_parallel = 0;
2562 default_virtcon = 0;
2563 default_monitor = 0;
2564 default_vga = 0;
2565 default_net = 0;
2566 default_floppy = 0;
2567 default_cdrom = 0;
2568 default_sdcard = 0;
2569 break;
2570 case QEMU_OPTION_xen_domid:
2571 if (!(xen_available())) {
2572 printf("Option %s not supported for this target\n", popt->name);
2573 exit(1);
2574 }
2575 xen_domid = atoi(optarg);
2576 break;
2577 case QEMU_OPTION_xen_create:
2578 if (!(xen_available())) {
2579 printf("Option %s not supported for this target\n", popt->name);
2580 exit(1);
2581 }
2582 xen_mode = XEN_CREATE;
2583 break;
2584 case QEMU_OPTION_xen_attach:
2585 if (!(xen_available())) {
2586 printf("Option %s not supported for this target\n", popt->name);
2587 exit(1);
2588 }
2589 xen_mode = XEN_ATTACH;
2590 break;
2591 case QEMU_OPTION_readconfig:
2592 {
2593 int ret = qemu_read_config_file(optarg);
2594 if (ret < 0) {
2595 fprintf(stderr, "read config %s: %s\n", optarg,
2596 strerror(-ret));
2597 exit(1);
2598 }
2599 break;
2600 }
2601 case QEMU_OPTION_writeconfig:
2602 {
2603 FILE *fp;
2604 if (strcmp(optarg, "-") == 0) {
2605 fp = stdout;
2606 } else {
2607 fp = fopen(optarg, "w");
2608 if (fp == NULL) {
2609 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2610 exit(1);
2611 }
2612 }
2613 qemu_config_write(fp);
2614 fclose(fp);
2615 break;
2616 }
2617 default:
2618 os_parse_cmd_args(popt->index, optarg);
2619 }
2620 }
2621 }
2622 loc_set_none();
2623
2624 /* If no data_dir is specified then try to find it relative to the
2625 executable path. */
2626 if (!data_dir) {
2627 data_dir = os_find_datadir(argv[0]);
2628 }
2629 /* If all else fails use the install patch specified when building. */
2630 if (!data_dir) {
2631 data_dir = CONFIG_QEMU_DATADIR;
2632 }
2633
2634 /*
2635 * Default to max_cpus = smp_cpus, in case the user doesn't
2636 * specify a max_cpus value.
2637 */
2638 if (!max_cpus)
2639 max_cpus = smp_cpus;
2640
2641 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2642 if (smp_cpus > machine->max_cpus) {
2643 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2644 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2645 machine->max_cpus);
2646 exit(1);
2647 }
2648
2649 qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0);
2650 qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0);
2651
2652 if (machine->no_serial) {
2653 default_serial = 0;
2654 }
2655 if (machine->no_parallel) {
2656 default_parallel = 0;
2657 }
2658 if (!machine->use_virtcon) {
2659 default_virtcon = 0;
2660 }
2661 if (machine->no_vga) {
2662 default_vga = 0;
2663 }
2664 if (machine->no_floppy) {
2665 default_floppy = 0;
2666 }
2667 if (machine->no_cdrom) {
2668 default_cdrom = 0;
2669 }
2670 if (machine->no_sdcard) {
2671 default_sdcard = 0;
2672 }
2673
2674 if (display_type == DT_NOGRAPHIC) {
2675 if (default_parallel)
2676 add_device_config(DEV_PARALLEL, "null");
2677 if (default_serial && default_monitor) {
2678 add_device_config(DEV_SERIAL, "mon:stdio");
2679 } else if (default_virtcon && default_monitor) {
2680 add_device_config(DEV_VIRTCON, "mon:stdio");
2681 } else {
2682 if (default_serial)
2683 add_device_config(DEV_SERIAL, "stdio");
2684 if (default_virtcon)
2685 add_device_config(DEV_VIRTCON, "stdio");
2686 if (default_monitor)
2687 monitor_parse("stdio", "readline");
2688 }
2689 } else {
2690 if (default_serial)
2691 add_device_config(DEV_SERIAL, "vc:80Cx24C");
2692 if (default_parallel)
2693 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2694 if (default_monitor)
2695 monitor_parse("vc:80Cx24C", "readline");
2696 if (default_virtcon)
2697 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2698 }
2699 if (default_vga)
2700 vga_interface_type = VGA_CIRRUS;
2701
2702 socket_init();
2703
2704 if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
2705 exit(1);
2706 #ifdef CONFIG_VIRTFS
2707 if (qemu_opts_foreach(&qemu_fsdev_opts, fsdev_init_func, NULL, 1) != 0) {
2708 exit(1);
2709 }
2710 #endif
2711
2712 os_daemonize();
2713
2714 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2715 os_pidfile_error();
2716 exit(1);
2717 }
2718
2719 if (kvm_allowed) {
2720 int ret = kvm_init(smp_cpus);
2721 if (ret < 0) {
2722 if (!kvm_available()) {
2723 printf("KVM not supported for this target\n");
2724 } else {
2725 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2726 }
2727 exit(1);
2728 }
2729 }
2730
2731 if (qemu_init_main_loop()) {
2732 fprintf(stderr, "qemu_init_main_loop failed\n");
2733 exit(1);
2734 }
2735 linux_boot = (kernel_filename != NULL);
2736
2737 if (!linux_boot && *kernel_cmdline != '\0') {
2738 fprintf(stderr, "-append only allowed with -kernel option\n");
2739 exit(1);
2740 }
2741
2742 if (!linux_boot && initrd_filename != NULL) {
2743 fprintf(stderr, "-initrd only allowed with -kernel option\n");
2744 exit(1);
2745 }
2746
2747 os_set_line_buffering();
2748
2749 if (init_timer_alarm() < 0) {
2750 fprintf(stderr, "could not initialize alarm timer\n");
2751 exit(1);
2752 }
2753 configure_icount(icount_option);
2754
2755 if (net_init_clients() < 0) {
2756 exit(1);
2757 }
2758
2759 /* init the bluetooth world */
2760 if (foreach_device_config(DEV_BT, bt_parse))
2761 exit(1);
2762
2763 /* init the memory */
2764 if (ram_size == 0)
2765 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2766
2767 /* init the dynamic translator */
2768 cpu_exec_init_all(tb_size * 1024 * 1024);
2769
2770 bdrv_init_with_whitelist();
2771
2772 blk_mig_init();
2773
2774 if (default_cdrom) {
2775 /* we always create the cdrom drive, even if no disk is there */
2776 drive_add(NULL, CDROM_ALIAS);
2777 }
2778
2779 if (default_floppy) {
2780 /* we always create at least one floppy */
2781 drive_add(NULL, FD_ALIAS, 0);
2782 }
2783
2784 if (default_sdcard) {
2785 /* we always create one sd slot, even if no card is in it */
2786 drive_add(NULL, SD_ALIAS);
2787 }
2788
2789 /* open the virtual block devices */
2790 if (snapshot)
2791 qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
2792 if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, &machine->use_scsi, 1) != 0)
2793 exit(1);
2794
2795 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2796 ram_load, NULL);
2797
2798 if (nb_numa_nodes > 0) {
2799 int i;
2800
2801 if (nb_numa_nodes > smp_cpus) {
2802 nb_numa_nodes = smp_cpus;
2803 }
2804
2805 /* If no memory size if given for any node, assume the default case
2806 * and distribute the available memory equally across all nodes
2807 */
2808 for (i = 0; i < nb_numa_nodes; i++) {
2809 if (node_mem[i] != 0)
2810 break;
2811 }
2812 if (i == nb_numa_nodes) {
2813 uint64_t usedmem = 0;
2814
2815 /* On Linux, the each node's border has to be 8MB aligned,
2816 * the final node gets the rest.
2817 */
2818 for (i = 0; i < nb_numa_nodes - 1; i++) {
2819 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2820 usedmem += node_mem[i];
2821 }
2822 node_mem[i] = ram_size - usedmem;
2823 }
2824
2825 for (i = 0; i < nb_numa_nodes; i++) {
2826 if (node_cpumask[i] != 0)
2827 break;
2828 }
2829 /* assigning the VCPUs round-robin is easier to implement, guest OSes
2830 * must cope with this anyway, because there are BIOSes out there in
2831 * real machines which also use this scheme.
2832 */
2833 if (i == nb_numa_nodes) {
2834 for (i = 0; i < smp_cpus; i++) {
2835 node_cpumask[i % nb_numa_nodes] |= 1 << i;
2836 }
2837 }
2838 }
2839
2840 if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) {
2841 exit(1);
2842 }
2843
2844 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2845 exit(1);
2846 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2847 exit(1);
2848 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2849 exit(1);
2850 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2851 exit(1);
2852
2853 module_call_init(MODULE_INIT_DEVICE);
2854
2855 if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0)
2856 exit(0);
2857
2858 if (watchdog) {
2859 i = select_watchdog(watchdog);
2860 if (i > 0)
2861 exit (i == 1 ? 1 : 0);
2862 }
2863
2864 if (machine->compat_props) {
2865 qdev_prop_register_global_list(machine->compat_props);
2866 }
2867 qemu_add_globals();
2868
2869 machine->init(ram_size, boot_devices,
2870 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
2871
2872 cpu_synchronize_all_post_init();
2873
2874 /* must be after terminal init, SDL library changes signal handlers */
2875 os_setup_signal_handling();
2876
2877 set_numa_modes();
2878
2879 current_machine = machine;
2880
2881 /* init USB devices */
2882 if (usb_enabled) {
2883 if (foreach_device_config(DEV_USB, usb_parse) < 0)
2884 exit(1);
2885 }
2886
2887 /* init generic devices */
2888 if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
2889 exit(1);
2890
2891 net_check_clients();
2892
2893 /* just use the first displaystate for the moment */
2894 ds = get_displaystate();
2895
2896 if (display_type == DT_DEFAULT) {
2897 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
2898 display_type = DT_SDL;
2899 #else
2900 display_type = DT_VNC;
2901 vnc_display = "localhost:0,to=99";
2902 show_vnc_port = 1;
2903 #endif
2904 }
2905
2906
2907 switch (display_type) {
2908 case DT_NOGRAPHIC:
2909 break;
2910 #if defined(CONFIG_CURSES)
2911 case DT_CURSES:
2912 curses_display_init(ds, full_screen);
2913 break;
2914 #endif
2915 #if defined(CONFIG_SDL)
2916 case DT_SDL:
2917 sdl_display_init(ds, full_screen, no_frame);
2918 break;
2919 #elif defined(CONFIG_COCOA)
2920 case DT_SDL:
2921 cocoa_display_init(ds, full_screen);
2922 break;
2923 #endif
2924 case DT_VNC:
2925 vnc_display_init(ds);
2926 if (vnc_display_open(ds, vnc_display) < 0)
2927 exit(1);
2928
2929 if (show_vnc_port) {
2930 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
2931 }
2932 break;
2933 default:
2934 break;
2935 }
2936 dpy_resize(ds);
2937
2938 dcl = ds->listeners;
2939 while (dcl != NULL) {
2940 if (dcl->dpy_refresh != NULL) {
2941 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
2942 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
2943 break;
2944 }
2945 dcl = dcl->next;
2946 }
2947
2948 if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
2949 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
2950 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
2951 }
2952
2953 text_consoles_set_display(ds);
2954
2955 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
2956 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
2957 gdbstub_dev);
2958 exit(1);
2959 }
2960
2961 qdev_machine_creation_done();
2962
2963 if (rom_load_all() != 0) {
2964 fprintf(stderr, "rom loading failed\n");
2965 exit(1);
2966 }
2967
2968 qemu_system_reset();
2969 if (loadvm) {
2970 if (load_vmstate(loadvm) < 0) {
2971 autostart = 0;
2972 }
2973 }
2974
2975 if (incoming) {
2976 int ret = qemu_start_incoming_migration(incoming);
2977 if (ret < 0) {
2978 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
2979 incoming, ret);
2980 exit(ret);
2981 }
2982 } else if (autostart) {
2983 vm_start();
2984 }
2985
2986 os_setup_post();
2987
2988 main_loop();
2989 quit_timers();
2990 net_cleanup();
2991
2992 return 0;
2993 }
Qemu copy for testing