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block: default to 0 minimal / optiomal I/O size
[qemu.git] / vl.c
blobba6ee11ec467436be689a5bc5d3b5c23ef0287b9
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 if (sockets) {
805 threads = smp / (cores * sockets);
806 }
807 }
808 }
809 smp_cpus = smp;
810 smp_cores = cores > 0 ? cores : 1;
811 smp_threads = threads > 0 ? threads : 1;
812 if (max_cpus == 0)
813 max_cpus = smp_cpus;
814 }
815
816 /***********************************************************/
817 /* USB devices */
818
819 static int usb_device_add(const char *devname)
820 {
821 const char *p;
822 USBDevice *dev = NULL;
823
824 if (!usb_enabled)
825 return -1;
826
827 /* drivers with .usbdevice_name entry in USBDeviceInfo */
828 dev = usbdevice_create(devname);
829 if (dev)
830 goto done;
831
832 /* the other ones */
833 if (strstart(devname, "host:", &p)) {
834 dev = usb_host_device_open(p);
835 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
836 dev = usb_bt_init(devname[2] ? hci_init(p) :
837 bt_new_hci(qemu_find_bt_vlan(0)));
838 } else {
839 return -1;
840 }
841 if (!dev)
842 return -1;
843
844 done:
845 return 0;
846 }
847
848 static int usb_device_del(const char *devname)
849 {
850 int bus_num, addr;
851 const char *p;
852
853 if (strstart(devname, "host:", &p))
854 return usb_host_device_close(p);
855
856 if (!usb_enabled)
857 return -1;
858
859 p = strchr(devname, '.');
860 if (!p)
861 return -1;
862 bus_num = strtoul(devname, NULL, 0);
863 addr = strtoul(p + 1, NULL, 0);
864
865 return usb_device_delete_addr(bus_num, addr);
866 }
867
868 static int usb_parse(const char *cmdline)
869 {
870 int r;
871 r = usb_device_add(cmdline);
872 if (r < 0) {
873 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
874 }
875 return r;
876 }
877
878 void do_usb_add(Monitor *mon, const QDict *qdict)
879 {
880 const char *devname = qdict_get_str(qdict, "devname");
881 if (usb_device_add(devname) < 0) {
882 error_report("could not add USB device '%s'", devname);
883 }
884 }
885
886 void do_usb_del(Monitor *mon, const QDict *qdict)
887 {
888 const char *devname = qdict_get_str(qdict, "devname");
889 if (usb_device_del(devname) < 0) {
890 error_report("could not delete USB device '%s'", devname);
891 }
892 }
893
894 /***********************************************************/
895 /* PCMCIA/Cardbus */
896
897 static struct pcmcia_socket_entry_s {
898 PCMCIASocket *socket;
899 struct pcmcia_socket_entry_s *next;
900 } *pcmcia_sockets = 0;
901
902 void pcmcia_socket_register(PCMCIASocket *socket)
903 {
904 struct pcmcia_socket_entry_s *entry;
905
906 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
907 entry->socket = socket;
908 entry->next = pcmcia_sockets;
909 pcmcia_sockets = entry;
910 }
911
912 void pcmcia_socket_unregister(PCMCIASocket *socket)
913 {
914 struct pcmcia_socket_entry_s *entry, **ptr;
915
916 ptr = &pcmcia_sockets;
917 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
918 if (entry->socket == socket) {
919 *ptr = entry->next;
920 qemu_free(entry);
921 }
922 }
923
924 void pcmcia_info(Monitor *mon)
925 {
926 struct pcmcia_socket_entry_s *iter;
927
928 if (!pcmcia_sockets)
929 monitor_printf(mon, "No PCMCIA sockets\n");
930
931 for (iter = pcmcia_sockets; iter; iter = iter->next)
932 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
933 iter->socket->attached ? iter->socket->card_string :
934 "Empty");
935 }
936
937 /***********************************************************/
938 /* I/O handling */
939
940 typedef struct IOHandlerRecord {
941 int fd;
942 IOCanReadHandler *fd_read_poll;
943 IOHandler *fd_read;
944 IOHandler *fd_write;
945 int deleted;
946 void *opaque;
947 /* temporary data */
948 struct pollfd *ufd;
949 QLIST_ENTRY(IOHandlerRecord) next;
950 } IOHandlerRecord;
951
952 static QLIST_HEAD(, IOHandlerRecord) io_handlers =
953 QLIST_HEAD_INITIALIZER(io_handlers);
954
955
956 /* XXX: fd_read_poll should be suppressed, but an API change is
957 necessary in the character devices to suppress fd_can_read(). */
958 int qemu_set_fd_handler2(int fd,
959 IOCanReadHandler *fd_read_poll,
960 IOHandler *fd_read,
961 IOHandler *fd_write,
962 void *opaque)
963 {
964 IOHandlerRecord *ioh;
965
966 if (!fd_read && !fd_write) {
967 QLIST_FOREACH(ioh, &io_handlers, next) {
968 if (ioh->fd == fd) {
969 ioh->deleted = 1;
970 break;
971 }
972 }
973 } else {
974 QLIST_FOREACH(ioh, &io_handlers, next) {
975 if (ioh->fd == fd)
976 goto found;
977 }
978 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
979 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
980 found:
981 ioh->fd = fd;
982 ioh->fd_read_poll = fd_read_poll;
983 ioh->fd_read = fd_read;
984 ioh->fd_write = fd_write;
985 ioh->opaque = opaque;
986 ioh->deleted = 0;
987 }
988 return 0;
989 }
990
991 int qemu_set_fd_handler(int fd,
992 IOHandler *fd_read,
993 IOHandler *fd_write,
994 void *opaque)
995 {
996 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
997 }
998
999 /***********************************************************/
1000 /* machine registration */
1001
1002 static QEMUMachine *first_machine = NULL;
1003 QEMUMachine *current_machine = NULL;
1004
1005 int qemu_register_machine(QEMUMachine *m)
1006 {
1007 QEMUMachine **pm;
1008 pm = &first_machine;
1009 while (*pm != NULL)
1010 pm = &(*pm)->next;
1011 m->next = NULL;
1012 *pm = m;
1013 return 0;
1014 }
1015
1016 static QEMUMachine *find_machine(const char *name)
1017 {
1018 QEMUMachine *m;
1019
1020 for(m = first_machine; m != NULL; m = m->next) {
1021 if (!strcmp(m->name, name))
1022 return m;
1023 if (m->alias && !strcmp(m->alias, name))
1024 return m;
1025 }
1026 return NULL;
1027 }
1028
1029 static QEMUMachine *find_default_machine(void)
1030 {
1031 QEMUMachine *m;
1032
1033 for(m = first_machine; m != NULL; m = m->next) {
1034 if (m->is_default) {
1035 return m;
1036 }
1037 }
1038 return NULL;
1039 }
1040
1041 /***********************************************************/
1042 /* main execution loop */
1043
1044 static void gui_update(void *opaque)
1045 {
1046 uint64_t interval = GUI_REFRESH_INTERVAL;
1047 DisplayState *ds = opaque;
1048 DisplayChangeListener *dcl = ds->listeners;
1049
1050 qemu_flush_coalesced_mmio_buffer();
1051 dpy_refresh(ds);
1052
1053 while (dcl != NULL) {
1054 if (dcl->gui_timer_interval &&
1055 dcl->gui_timer_interval < interval)
1056 interval = dcl->gui_timer_interval;
1057 dcl = dcl->next;
1058 }
1059 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1060 }
1061
1062 static void nographic_update(void *opaque)
1063 {
1064 uint64_t interval = GUI_REFRESH_INTERVAL;
1065
1066 qemu_flush_coalesced_mmio_buffer();
1067 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1068 }
1069
1070 struct vm_change_state_entry {
1071 VMChangeStateHandler *cb;
1072 void *opaque;
1073 QLIST_ENTRY (vm_change_state_entry) entries;
1074 };
1075
1076 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1077
1078 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1079 void *opaque)
1080 {
1081 VMChangeStateEntry *e;
1082
1083 e = qemu_mallocz(sizeof (*e));
1084
1085 e->cb = cb;
1086 e->opaque = opaque;
1087 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1088 return e;
1089 }
1090
1091 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1092 {
1093 QLIST_REMOVE (e, entries);
1094 qemu_free (e);
1095 }
1096
1097 void vm_state_notify(int running, int reason)
1098 {
1099 VMChangeStateEntry *e;
1100
1101 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1102 e->cb(e->opaque, running, reason);
1103 }
1104 }
1105
1106 void vm_start(void)
1107 {
1108 if (!vm_running) {
1109 cpu_enable_ticks();
1110 vm_running = 1;
1111 vm_state_notify(1, 0);
1112 resume_all_vcpus();
1113 monitor_protocol_event(QEVENT_RESUME, NULL);
1114 }
1115 }
1116
1117 /* reset/shutdown handler */
1118
1119 typedef struct QEMUResetEntry {
1120 QTAILQ_ENTRY(QEMUResetEntry) entry;
1121 QEMUResetHandler *func;
1122 void *opaque;
1123 } QEMUResetEntry;
1124
1125 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1126 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1127 static int reset_requested;
1128 static int shutdown_requested;
1129 static int powerdown_requested;
1130 int debug_requested;
1131 int vmstop_requested;
1132
1133 int qemu_shutdown_requested(void)
1134 {
1135 int r = shutdown_requested;
1136 shutdown_requested = 0;
1137 return r;
1138 }
1139
1140 int qemu_reset_requested(void)
1141 {
1142 int r = reset_requested;
1143 reset_requested = 0;
1144 return r;
1145 }
1146
1147 int qemu_powerdown_requested(void)
1148 {
1149 int r = powerdown_requested;
1150 powerdown_requested = 0;
1151 return r;
1152 }
1153
1154 static int qemu_debug_requested(void)
1155 {
1156 int r = debug_requested;
1157 debug_requested = 0;
1158 return r;
1159 }
1160
1161 static int qemu_vmstop_requested(void)
1162 {
1163 int r = vmstop_requested;
1164 vmstop_requested = 0;
1165 return r;
1166 }
1167
1168 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1169 {
1170 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1171
1172 re->func = func;
1173 re->opaque = opaque;
1174 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1175 }
1176
1177 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1178 {
1179 QEMUResetEntry *re;
1180
1181 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1182 if (re->func == func && re->opaque == opaque) {
1183 QTAILQ_REMOVE(&reset_handlers, re, entry);
1184 qemu_free(re);
1185 return;
1186 }
1187 }
1188 }
1189
1190 void qemu_system_reset(void)
1191 {
1192 QEMUResetEntry *re, *nre;
1193
1194 /* reset all devices */
1195 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1196 re->func(re->opaque);
1197 }
1198 monitor_protocol_event(QEVENT_RESET, NULL);
1199 cpu_synchronize_all_post_reset();
1200 }
1201
1202 void qemu_system_reset_request(void)
1203 {
1204 if (no_reboot) {
1205 shutdown_requested = 1;
1206 } else {
1207 reset_requested = 1;
1208 }
1209 qemu_notify_event();
1210 }
1211
1212 void qemu_system_shutdown_request(void)
1213 {
1214 shutdown_requested = 1;
1215 qemu_notify_event();
1216 }
1217
1218 void qemu_system_powerdown_request(void)
1219 {
1220 powerdown_requested = 1;
1221 qemu_notify_event();
1222 }
1223
1224 void main_loop_wait(int nonblocking)
1225 {
1226 IOHandlerRecord *ioh;
1227 fd_set rfds, wfds, xfds;
1228 int ret, nfds;
1229 struct timeval tv;
1230 int timeout;
1231
1232 if (nonblocking)
1233 timeout = 0;
1234 else {
1235 timeout = qemu_calculate_timeout();
1236 qemu_bh_update_timeout(&timeout);
1237 }
1238
1239 os_host_main_loop_wait(&timeout);
1240
1241 /* poll any events */
1242 /* XXX: separate device handlers from system ones */
1243 nfds = -1;
1244 FD_ZERO(&rfds);
1245 FD_ZERO(&wfds);
1246 FD_ZERO(&xfds);
1247 QLIST_FOREACH(ioh, &io_handlers, next) {
1248 if (ioh->deleted)
1249 continue;
1250 if (ioh->fd_read &&
1251 (!ioh->fd_read_poll ||
1252 ioh->fd_read_poll(ioh->opaque) != 0)) {
1253 FD_SET(ioh->fd, &rfds);
1254 if (ioh->fd > nfds)
1255 nfds = ioh->fd;
1256 }
1257 if (ioh->fd_write) {
1258 FD_SET(ioh->fd, &wfds);
1259 if (ioh->fd > nfds)
1260 nfds = ioh->fd;
1261 }
1262 }
1263
1264 tv.tv_sec = timeout / 1000;
1265 tv.tv_usec = (timeout % 1000) * 1000;
1266
1267 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1268
1269 qemu_mutex_unlock_iothread();
1270 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1271 qemu_mutex_lock_iothread();
1272 if (ret > 0) {
1273 IOHandlerRecord *pioh;
1274
1275 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1276 if (ioh->deleted) {
1277 QLIST_REMOVE(ioh, next);
1278 qemu_free(ioh);
1279 continue;
1280 }
1281 if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1282 ioh->fd_read(ioh->opaque);
1283 }
1284 if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1285 ioh->fd_write(ioh->opaque);
1286 }
1287 }
1288 }
1289
1290 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1291
1292 qemu_run_all_timers();
1293
1294 /* Check bottom-halves last in case any of the earlier events triggered
1295 them. */
1296 qemu_bh_poll();
1297
1298 }
1299
1300 static int vm_can_run(void)
1301 {
1302 if (powerdown_requested)
1303 return 0;
1304 if (reset_requested)
1305 return 0;
1306 if (shutdown_requested)
1307 return 0;
1308 if (debug_requested)
1309 return 0;
1310 return 1;
1311 }
1312
1313 qemu_irq qemu_system_powerdown;
1314
1315 static void main_loop(void)
1316 {
1317 int r;
1318
1319 qemu_main_loop_start();
1320
1321 for (;;) {
1322 do {
1323 bool nonblocking = false;
1324 #ifdef CONFIG_PROFILER
1325 int64_t ti;
1326 #endif
1327 #ifndef CONFIG_IOTHREAD
1328 nonblocking = cpu_exec_all();
1329 #endif
1330 #ifdef CONFIG_PROFILER
1331 ti = profile_getclock();
1332 #endif
1333 main_loop_wait(nonblocking);
1334 #ifdef CONFIG_PROFILER
1335 dev_time += profile_getclock() - ti;
1336 #endif
1337 } while (vm_can_run());
1338
1339 if ((r = qemu_debug_requested())) {
1340 vm_stop(r);
1341 }
1342 if (qemu_shutdown_requested()) {
1343 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1344 if (no_shutdown) {
1345 vm_stop(0);
1346 no_shutdown = 0;
1347 } else
1348 break;
1349 }
1350 if (qemu_reset_requested()) {
1351 pause_all_vcpus();
1352 qemu_system_reset();
1353 resume_all_vcpus();
1354 }
1355 if (qemu_powerdown_requested()) {
1356 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1357 qemu_irq_raise(qemu_system_powerdown);
1358 }
1359 if ((r = qemu_vmstop_requested())) {
1360 vm_stop(r);
1361 }
1362 }
1363 bdrv_close_all();
1364 pause_all_vcpus();
1365 }
1366
1367 static void version(void)
1368 {
1369 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1370 }
1371
1372 static void help(int exitcode)
1373 {
1374 const char *options_help =
1375 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1376 opt_help
1377 #define DEFHEADING(text) stringify(text) "\n"
1378 #include "qemu-options.def"
1379 #undef DEF
1380 #undef DEFHEADING
1381 #undef GEN_DOCS
1382 ;
1383 version();
1384 printf("usage: %s [options] [disk_image]\n"
1385 "\n"
1386 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1387 "\n"
1388 "%s\n"
1389 "During emulation, the following keys are useful:\n"
1390 "ctrl-alt-f toggle full screen\n"
1391 "ctrl-alt-n switch to virtual console 'n'\n"
1392 "ctrl-alt toggle mouse and keyboard grab\n"
1393 "\n"
1394 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1395 "qemu",
1396 options_help);
1397 exit(exitcode);
1398 }
1399
1400 #define HAS_ARG 0x0001
1401
1402 typedef struct QEMUOption {
1403 const char *name;
1404 int flags;
1405 int index;
1406 uint32_t arch_mask;
1407 } QEMUOption;
1408
1409 static const QEMUOption qemu_options[] = {
1410 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1411 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1412 { option, opt_arg, opt_enum, arch_mask },
1413 #define DEFHEADING(text)
1414 #include "qemu-options.def"
1415 #undef DEF
1416 #undef DEFHEADING
1417 #undef GEN_DOCS
1418 { NULL },
1419 };
1420 static void select_vgahw (const char *p)
1421 {
1422 const char *opts;
1423
1424 default_vga = 0;
1425 vga_interface_type = VGA_NONE;
1426 if (strstart(p, "std", &opts)) {
1427 vga_interface_type = VGA_STD;
1428 } else if (strstart(p, "cirrus", &opts)) {
1429 vga_interface_type = VGA_CIRRUS;
1430 } else if (strstart(p, "vmware", &opts)) {
1431 vga_interface_type = VGA_VMWARE;
1432 } else if (strstart(p, "xenfb", &opts)) {
1433 vga_interface_type = VGA_XENFB;
1434 } else if (!strstart(p, "none", &opts)) {
1435 invalid_vga:
1436 fprintf(stderr, "Unknown vga type: %s\n", p);
1437 exit(1);
1438 }
1439 while (*opts) {
1440 const char *nextopt;
1441
1442 if (strstart(opts, ",retrace=", &nextopt)) {
1443 opts = nextopt;
1444 if (strstart(opts, "dumb", &nextopt))
1445 vga_retrace_method = VGA_RETRACE_DUMB;
1446 else if (strstart(opts, "precise", &nextopt))
1447 vga_retrace_method = VGA_RETRACE_PRECISE;
1448 else goto invalid_vga;
1449 } else goto invalid_vga;
1450 opts = nextopt;
1451 }
1452 }
1453
1454 static int balloon_parse(const char *arg)
1455 {
1456 QemuOpts *opts;
1457
1458 if (strcmp(arg, "none") == 0) {
1459 return 0;
1460 }
1461
1462 if (!strncmp(arg, "virtio", 6)) {
1463 if (arg[6] == ',') {
1464 /* have params -> parse them */
1465 opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
1466 if (!opts)
1467 return -1;
1468 } else {
1469 /* create empty opts */
1470 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1471 }
1472 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1473 return 0;
1474 }
1475
1476 return -1;
1477 }
1478
1479 char *qemu_find_file(int type, const char *name)
1480 {
1481 int len;
1482 const char *subdir;
1483 char *buf;
1484
1485 /* If name contains path separators then try it as a straight path. */
1486 if ((strchr(name, '/') || strchr(name, '\\'))
1487 && access(name, R_OK) == 0) {
1488 return qemu_strdup(name);
1489 }
1490 switch (type) {
1491 case QEMU_FILE_TYPE_BIOS:
1492 subdir = "";
1493 break;
1494 case QEMU_FILE_TYPE_KEYMAP:
1495 subdir = "keymaps/";
1496 break;
1497 default:
1498 abort();
1499 }
1500 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1501 buf = qemu_mallocz(len);
1502 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1503 if (access(buf, R_OK)) {
1504 qemu_free(buf);
1505 return NULL;
1506 }
1507 return buf;
1508 }
1509
1510 static int device_help_func(QemuOpts *opts, void *opaque)
1511 {
1512 return qdev_device_help(opts);
1513 }
1514
1515 static int device_init_func(QemuOpts *opts, void *opaque)
1516 {
1517 DeviceState *dev;
1518
1519 dev = qdev_device_add(opts);
1520 if (!dev)
1521 return -1;
1522 return 0;
1523 }
1524
1525 static int chardev_init_func(QemuOpts *opts, void *opaque)
1526 {
1527 CharDriverState *chr;
1528
1529 chr = qemu_chr_open_opts(opts, NULL);
1530 if (!chr)
1531 return -1;
1532 return 0;
1533 }
1534
1535 #ifdef CONFIG_VIRTFS
1536 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1537 {
1538 int ret;
1539 ret = qemu_fsdev_add(opts);
1540
1541 return ret;
1542 }
1543 #endif
1544
1545 static int mon_init_func(QemuOpts *opts, void *opaque)
1546 {
1547 CharDriverState *chr;
1548 const char *chardev;
1549 const char *mode;
1550 int flags;
1551
1552 mode = qemu_opt_get(opts, "mode");
1553 if (mode == NULL) {
1554 mode = "readline";
1555 }
1556 if (strcmp(mode, "readline") == 0) {
1557 flags = MONITOR_USE_READLINE;
1558 } else if (strcmp(mode, "control") == 0) {
1559 flags = MONITOR_USE_CONTROL;
1560 } else {
1561 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1562 exit(1);
1563 }
1564
1565 if (qemu_opt_get_bool(opts, "default", 0))
1566 flags |= MONITOR_IS_DEFAULT;
1567
1568 chardev = qemu_opt_get(opts, "chardev");
1569 chr = qemu_chr_find(chardev);
1570 if (chr == NULL) {
1571 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1572 exit(1);
1573 }
1574
1575 monitor_init(chr, flags);
1576 return 0;
1577 }
1578
1579 static void monitor_parse(const char *optarg, const char *mode)
1580 {
1581 static int monitor_device_index = 0;
1582 QemuOpts *opts;
1583 const char *p;
1584 char label[32];
1585 int def = 0;
1586
1587 if (strstart(optarg, "chardev:", &p)) {
1588 snprintf(label, sizeof(label), "%s", p);
1589 } else {
1590 snprintf(label, sizeof(label), "compat_monitor%d",
1591 monitor_device_index);
1592 if (monitor_device_index == 0) {
1593 def = 1;
1594 }
1595 opts = qemu_chr_parse_compat(label, optarg);
1596 if (!opts) {
1597 fprintf(stderr, "parse error: %s\n", optarg);
1598 exit(1);
1599 }
1600 }
1601
1602 opts = qemu_opts_create(&qemu_mon_opts, label, 1);
1603 if (!opts) {
1604 fprintf(stderr, "duplicate chardev: %s\n", label);
1605 exit(1);
1606 }
1607 qemu_opt_set(opts, "mode", mode);
1608 qemu_opt_set(opts, "chardev", label);
1609 if (def)
1610 qemu_opt_set(opts, "default", "on");
1611 monitor_device_index++;
1612 }
1613
1614 struct device_config {
1615 enum {
1616 DEV_USB, /* -usbdevice */
1617 DEV_BT, /* -bt */
1618 DEV_SERIAL, /* -serial */
1619 DEV_PARALLEL, /* -parallel */
1620 DEV_VIRTCON, /* -virtioconsole */
1621 DEV_DEBUGCON, /* -debugcon */
1622 } type;
1623 const char *cmdline;
1624 QTAILQ_ENTRY(device_config) next;
1625 };
1626 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1627
1628 static void add_device_config(int type, const char *cmdline)
1629 {
1630 struct device_config *conf;
1631
1632 conf = qemu_mallocz(sizeof(*conf));
1633 conf->type = type;
1634 conf->cmdline = cmdline;
1635 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1636 }
1637
1638 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1639 {
1640 struct device_config *conf;
1641 int rc;
1642
1643 QTAILQ_FOREACH(conf, &device_configs, next) {
1644 if (conf->type != type)
1645 continue;
1646 rc = func(conf->cmdline);
1647 if (0 != rc)
1648 return rc;
1649 }
1650 return 0;
1651 }
1652
1653 static int serial_parse(const char *devname)
1654 {
1655 static int index = 0;
1656 char label[32];
1657
1658 if (strcmp(devname, "none") == 0)
1659 return 0;
1660 if (index == MAX_SERIAL_PORTS) {
1661 fprintf(stderr, "qemu: too many serial ports\n");
1662 exit(1);
1663 }
1664 snprintf(label, sizeof(label), "serial%d", index);
1665 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1666 if (!serial_hds[index]) {
1667 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1668 devname, strerror(errno));
1669 return -1;
1670 }
1671 index++;
1672 return 0;
1673 }
1674
1675 static int parallel_parse(const char *devname)
1676 {
1677 static int index = 0;
1678 char label[32];
1679
1680 if (strcmp(devname, "none") == 0)
1681 return 0;
1682 if (index == MAX_PARALLEL_PORTS) {
1683 fprintf(stderr, "qemu: too many parallel ports\n");
1684 exit(1);
1685 }
1686 snprintf(label, sizeof(label), "parallel%d", index);
1687 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1688 if (!parallel_hds[index]) {
1689 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1690 devname, strerror(errno));
1691 return -1;
1692 }
1693 index++;
1694 return 0;
1695 }
1696
1697 static int virtcon_parse(const char *devname)
1698 {
1699 static int index = 0;
1700 char label[32];
1701 QemuOpts *bus_opts, *dev_opts;
1702
1703 if (strcmp(devname, "none") == 0)
1704 return 0;
1705 if (index == MAX_VIRTIO_CONSOLES) {
1706 fprintf(stderr, "qemu: too many virtio consoles\n");
1707 exit(1);
1708 }
1709
1710 bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1711 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1712
1713 dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1714 qemu_opt_set(dev_opts, "driver", "virtconsole");
1715
1716 snprintf(label, sizeof(label), "virtcon%d", index);
1717 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1718 if (!virtcon_hds[index]) {
1719 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1720 devname, strerror(errno));
1721 return -1;
1722 }
1723 qemu_opt_set(dev_opts, "chardev", label);
1724
1725 index++;
1726 return 0;
1727 }
1728
1729 static int debugcon_parse(const char *devname)
1730 {
1731 QemuOpts *opts;
1732
1733 if (!qemu_chr_open("debugcon", devname, NULL)) {
1734 exit(1);
1735 }
1736 opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1);
1737 if (!opts) {
1738 fprintf(stderr, "qemu: already have a debugcon device\n");
1739 exit(1);
1740 }
1741 qemu_opt_set(opts, "driver", "isa-debugcon");
1742 qemu_opt_set(opts, "chardev", "debugcon");
1743 return 0;
1744 }
1745
1746 void qemu_add_exit_notifier(Notifier *notify)
1747 {
1748 notifier_list_add(&exit_notifiers, notify);
1749 }
1750
1751 void qemu_remove_exit_notifier(Notifier *notify)
1752 {
1753 notifier_list_remove(&exit_notifiers, notify);
1754 }
1755
1756 static void qemu_run_exit_notifiers(void)
1757 {
1758 notifier_list_notify(&exit_notifiers);
1759 }
1760
1761 static const QEMUOption *lookup_opt(int argc, char **argv,
1762 const char **poptarg, int *poptind)
1763 {
1764 const QEMUOption *popt;
1765 int optind = *poptind;
1766 char *r = argv[optind];
1767 const char *optarg;
1768
1769 loc_set_cmdline(argv, optind, 1);
1770 optind++;
1771 /* Treat --foo the same as -foo. */
1772 if (r[1] == '-')
1773 r++;
1774 popt = qemu_options;
1775 for(;;) {
1776 if (!popt->name) {
1777 error_report("invalid option");
1778 exit(1);
1779 }
1780 if (!strcmp(popt->name, r + 1))
1781 break;
1782 popt++;
1783 }
1784 if (popt->flags & HAS_ARG) {
1785 if (optind >= argc) {
1786 error_report("requires an argument");
1787 exit(1);
1788 }
1789 optarg = argv[optind++];
1790 loc_set_cmdline(argv, optind - 2, 2);
1791 } else {
1792 optarg = NULL;
1793 }
1794
1795 *poptarg = optarg;
1796 *poptind = optind;
1797
1798 return popt;
1799 }
1800
1801 int main(int argc, char **argv, char **envp)
1802 {
1803 const char *gdbstub_dev = NULL;
1804 int i;
1805 int snapshot, linux_boot;
1806 const char *icount_option = NULL;
1807 const char *initrd_filename;
1808 const char *kernel_filename, *kernel_cmdline;
1809 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1810 DisplayState *ds;
1811 DisplayChangeListener *dcl;
1812 int cyls, heads, secs, translation;
1813 QemuOpts *hda_opts = NULL, *opts;
1814 int optind;
1815 const char *optarg;
1816 const char *loadvm = NULL;
1817 QEMUMachine *machine;
1818 const char *cpu_model;
1819 int tb_size;
1820 const char *pid_file = NULL;
1821 const char *incoming = NULL;
1822 int show_vnc_port = 0;
1823 int defconfig = 1;
1824
1825 atexit(qemu_run_exit_notifiers);
1826 error_set_progname(argv[0]);
1827
1828 init_clocks();
1829
1830 qemu_cache_utils_init(envp);
1831
1832 QLIST_INIT (&vm_change_state_head);
1833 os_setup_early_signal_handling();
1834
1835 module_call_init(MODULE_INIT_MACHINE);
1836 machine = find_default_machine();
1837 cpu_model = NULL;
1838 initrd_filename = NULL;
1839 ram_size = 0;
1840 snapshot = 0;
1841 kernel_filename = NULL;
1842 kernel_cmdline = "";
1843 cyls = heads = secs = 0;
1844 translation = BIOS_ATA_TRANSLATION_AUTO;
1845
1846 for (i = 0; i < MAX_NODES; i++) {
1847 node_mem[i] = 0;
1848 node_cpumask[i] = 0;
1849 }
1850
1851 nb_numa_nodes = 0;
1852 nb_nics = 0;
1853
1854 tb_size = 0;
1855 autostart= 1;
1856
1857 /* first pass of option parsing */
1858 optind = 1;
1859 while (optind < argc) {
1860 if (argv[optind][0] != '-') {
1861 /* disk image */
1862 optind++;
1863 continue;
1864 } else {
1865 const QEMUOption *popt;
1866
1867 popt = lookup_opt(argc, argv, &optarg, &optind);
1868 switch (popt->index) {
1869 case QEMU_OPTION_nodefconfig:
1870 defconfig=0;
1871 break;
1872 }
1873 }
1874 }
1875
1876 if (defconfig) {
1877 int ret;
1878
1879 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
1880 if (ret < 0 && ret != -ENOENT) {
1881 exit(1);
1882 }
1883
1884 ret = qemu_read_config_file(arch_config_name);
1885 if (ret < 0 && ret != -ENOENT) {
1886 exit(1);
1887 }
1888 }
1889 cpudef_init();
1890
1891 /* second pass of option parsing */
1892 optind = 1;
1893 for(;;) {
1894 if (optind >= argc)
1895 break;
1896 if (argv[optind][0] != '-') {
1897 hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
1898 } else {
1899 const QEMUOption *popt;
1900
1901 popt = lookup_opt(argc, argv, &optarg, &optind);
1902 if (!(popt->arch_mask & arch_type)) {
1903 printf("Option %s not supported for this target\n", popt->name);
1904 exit(1);
1905 }
1906 switch(popt->index) {
1907 case QEMU_OPTION_M:
1908 machine = find_machine(optarg);
1909 if (!machine) {
1910 QEMUMachine *m;
1911 printf("Supported machines are:\n");
1912 for(m = first_machine; m != NULL; m = m->next) {
1913 if (m->alias)
1914 printf("%-10s %s (alias of %s)\n",
1915 m->alias, m->desc, m->name);
1916 printf("%-10s %s%s\n",
1917 m->name, m->desc,
1918 m->is_default ? " (default)" : "");
1919 }
1920 exit(*optarg != '?');
1921 }
1922 break;
1923 case QEMU_OPTION_cpu:
1924 /* hw initialization will check this */
1925 if (*optarg == '?') {
1926 list_cpus(stdout, &fprintf, optarg);
1927 exit(0);
1928 } else {
1929 cpu_model = optarg;
1930 }
1931 break;
1932 case QEMU_OPTION_initrd:
1933 initrd_filename = optarg;
1934 break;
1935 case QEMU_OPTION_hda:
1936 if (cyls == 0)
1937 hda_opts = drive_add(optarg, HD_ALIAS, 0);
1938 else
1939 hda_opts = drive_add(optarg, HD_ALIAS
1940 ",cyls=%d,heads=%d,secs=%d%s",
1941 0, cyls, heads, secs,
1942 translation == BIOS_ATA_TRANSLATION_LBA ?
1943 ",trans=lba" :
1944 translation == BIOS_ATA_TRANSLATION_NONE ?
1945 ",trans=none" : "");
1946 break;
1947 case QEMU_OPTION_hdb:
1948 case QEMU_OPTION_hdc:
1949 case QEMU_OPTION_hdd:
1950 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
1951 break;
1952 case QEMU_OPTION_drive:
1953 drive_add(NULL, "%s", optarg);
1954 break;
1955 case QEMU_OPTION_set:
1956 if (qemu_set_option(optarg) != 0)
1957 exit(1);
1958 break;
1959 case QEMU_OPTION_global:
1960 if (qemu_global_option(optarg) != 0)
1961 exit(1);
1962 break;
1963 case QEMU_OPTION_mtdblock:
1964 drive_add(optarg, MTD_ALIAS);
1965 break;
1966 case QEMU_OPTION_sd:
1967 drive_add(optarg, SD_ALIAS);
1968 break;
1969 case QEMU_OPTION_pflash:
1970 drive_add(optarg, PFLASH_ALIAS);
1971 break;
1972 case QEMU_OPTION_snapshot:
1973 snapshot = 1;
1974 break;
1975 case QEMU_OPTION_hdachs:
1976 {
1977 const char *p;
1978 p = optarg;
1979 cyls = strtol(p, (char **)&p, 0);
1980 if (cyls < 1 || cyls > 16383)
1981 goto chs_fail;
1982 if (*p != ',')
1983 goto chs_fail;
1984 p++;
1985 heads = strtol(p, (char **)&p, 0);
1986 if (heads < 1 || heads > 16)
1987 goto chs_fail;
1988 if (*p != ',')
1989 goto chs_fail;
1990 p++;
1991 secs = strtol(p, (char **)&p, 0);
1992 if (secs < 1 || secs > 63)
1993 goto chs_fail;
1994 if (*p == ',') {
1995 p++;
1996 if (!strcmp(p, "none"))
1997 translation = BIOS_ATA_TRANSLATION_NONE;
1998 else if (!strcmp(p, "lba"))
1999 translation = BIOS_ATA_TRANSLATION_LBA;
2000 else if (!strcmp(p, "auto"))
2001 translation = BIOS_ATA_TRANSLATION_AUTO;
2002 else
2003 goto chs_fail;
2004 } else if (*p != '\0') {
2005 chs_fail:
2006 fprintf(stderr, "qemu: invalid physical CHS format\n");
2007 exit(1);
2008 }
2009 if (hda_opts != NULL) {
2010 char num[16];
2011 snprintf(num, sizeof(num), "%d", cyls);
2012 qemu_opt_set(hda_opts, "cyls", num);
2013 snprintf(num, sizeof(num), "%d", heads);
2014 qemu_opt_set(hda_opts, "heads", num);
2015 snprintf(num, sizeof(num), "%d", secs);
2016 qemu_opt_set(hda_opts, "secs", num);
2017 if (translation == BIOS_ATA_TRANSLATION_LBA)
2018 qemu_opt_set(hda_opts, "trans", "lba");
2019 if (translation == BIOS_ATA_TRANSLATION_NONE)
2020 qemu_opt_set(hda_opts, "trans", "none");
2021 }
2022 }
2023 break;
2024 case QEMU_OPTION_numa:
2025 if (nb_numa_nodes >= MAX_NODES) {
2026 fprintf(stderr, "qemu: too many NUMA nodes\n");
2027 exit(1);
2028 }
2029 numa_add(optarg);
2030 break;
2031 case QEMU_OPTION_nographic:
2032 display_type = DT_NOGRAPHIC;
2033 break;
2034 #ifdef CONFIG_CURSES
2035 case QEMU_OPTION_curses:
2036 display_type = DT_CURSES;
2037 break;
2038 #endif
2039 case QEMU_OPTION_portrait:
2040 graphic_rotate = 1;
2041 break;
2042 case QEMU_OPTION_kernel:
2043 kernel_filename = optarg;
2044 break;
2045 case QEMU_OPTION_append:
2046 kernel_cmdline = optarg;
2047 break;
2048 case QEMU_OPTION_cdrom:
2049 drive_add(optarg, CDROM_ALIAS);
2050 break;
2051 case QEMU_OPTION_boot:
2052 {
2053 static const char * const params[] = {
2054 "order", "once", "menu", NULL
2055 };
2056 char buf[sizeof(boot_devices)];
2057 char *standard_boot_devices;
2058 int legacy = 0;
2059
2060 if (!strchr(optarg, '=')) {
2061 legacy = 1;
2062 pstrcpy(buf, sizeof(buf), optarg);
2063 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2064 fprintf(stderr,
2065 "qemu: unknown boot parameter '%s' in '%s'\n",
2066 buf, optarg);
2067 exit(1);
2068 }
2069
2070 if (legacy ||
2071 get_param_value(buf, sizeof(buf), "order", optarg)) {
2072 validate_bootdevices(buf);
2073 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2074 }
2075 if (!legacy) {
2076 if (get_param_value(buf, sizeof(buf),
2077 "once", optarg)) {
2078 validate_bootdevices(buf);
2079 standard_boot_devices = qemu_strdup(boot_devices);
2080 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2081 qemu_register_reset(restore_boot_devices,
2082 standard_boot_devices);
2083 }
2084 if (get_param_value(buf, sizeof(buf),
2085 "menu", optarg)) {
2086 if (!strcmp(buf, "on")) {
2087 boot_menu = 1;
2088 } else if (!strcmp(buf, "off")) {
2089 boot_menu = 0;
2090 } else {
2091 fprintf(stderr,
2092 "qemu: invalid option value '%s'\n",
2093 buf);
2094 exit(1);
2095 }
2096 }
2097 }
2098 }
2099 break;
2100 case QEMU_OPTION_fda:
2101 case QEMU_OPTION_fdb:
2102 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
2103 break;
2104 case QEMU_OPTION_no_fd_bootchk:
2105 fd_bootchk = 0;
2106 break;
2107 case QEMU_OPTION_netdev:
2108 if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
2109 exit(1);
2110 }
2111 break;
2112 case QEMU_OPTION_net:
2113 if (net_client_parse(&qemu_net_opts, optarg) == -1) {
2114 exit(1);
2115 }
2116 break;
2117 #ifdef CONFIG_SLIRP
2118 case QEMU_OPTION_tftp:
2119 legacy_tftp_prefix = optarg;
2120 break;
2121 case QEMU_OPTION_bootp:
2122 legacy_bootp_filename = optarg;
2123 break;
2124 case QEMU_OPTION_redir:
2125 if (net_slirp_redir(optarg) < 0)
2126 exit(1);
2127 break;
2128 #endif
2129 case QEMU_OPTION_bt:
2130 add_device_config(DEV_BT, optarg);
2131 break;
2132 case QEMU_OPTION_audio_help:
2133 if (!(audio_available())) {
2134 printf("Option %s not supported for this target\n", popt->name);
2135 exit(1);
2136 }
2137 AUD_help ();
2138 exit (0);
2139 break;
2140 case QEMU_OPTION_soundhw:
2141 if (!(audio_available())) {
2142 printf("Option %s not supported for this target\n", popt->name);
2143 exit(1);
2144 }
2145 select_soundhw (optarg);
2146 break;
2147 case QEMU_OPTION_h:
2148 help(0);
2149 break;
2150 case QEMU_OPTION_version:
2151 version();
2152 exit(0);
2153 break;
2154 case QEMU_OPTION_m: {
2155 uint64_t value;
2156 char *ptr;
2157
2158 value = strtoul(optarg, &ptr, 10);
2159 switch (*ptr) {
2160 case 0: case 'M': case 'm':
2161 value <<= 20;
2162 break;
2163 case 'G': case 'g':
2164 value <<= 30;
2165 break;
2166 default:
2167 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2168 exit(1);
2169 }
2170
2171 /* On 32-bit hosts, QEMU is limited by virtual address space */
2172 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2173 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2174 exit(1);
2175 }
2176 if (value != (uint64_t)(ram_addr_t)value) {
2177 fprintf(stderr, "qemu: ram size too large\n");
2178 exit(1);
2179 }
2180 ram_size = value;
2181 break;
2182 }
2183 case QEMU_OPTION_mempath:
2184 mem_path = optarg;
2185 break;
2186 #ifdef MAP_POPULATE
2187 case QEMU_OPTION_mem_prealloc:
2188 mem_prealloc = 1;
2189 break;
2190 #endif
2191 case QEMU_OPTION_d:
2192 set_cpu_log(optarg);
2193 break;
2194 case QEMU_OPTION_s:
2195 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2196 break;
2197 case QEMU_OPTION_gdb:
2198 gdbstub_dev = optarg;
2199 break;
2200 case QEMU_OPTION_L:
2201 data_dir = optarg;
2202 break;
2203 case QEMU_OPTION_bios:
2204 bios_name = optarg;
2205 break;
2206 case QEMU_OPTION_singlestep:
2207 singlestep = 1;
2208 break;
2209 case QEMU_OPTION_S:
2210 autostart = 0;
2211 break;
2212 case QEMU_OPTION_k:
2213 keyboard_layout = optarg;
2214 break;
2215 case QEMU_OPTION_localtime:
2216 rtc_utc = 0;
2217 break;
2218 case QEMU_OPTION_vga:
2219 select_vgahw (optarg);
2220 break;
2221 case QEMU_OPTION_g:
2222 {
2223 const char *p;
2224 int w, h, depth;
2225 p = optarg;
2226 w = strtol(p, (char **)&p, 10);
2227 if (w <= 0) {
2228 graphic_error:
2229 fprintf(stderr, "qemu: invalid resolution or depth\n");
2230 exit(1);
2231 }
2232 if (*p != 'x')
2233 goto graphic_error;
2234 p++;
2235 h = strtol(p, (char **)&p, 10);
2236 if (h <= 0)
2237 goto graphic_error;
2238 if (*p == 'x') {
2239 p++;
2240 depth = strtol(p, (char **)&p, 10);
2241 if (depth != 8 && depth != 15 && depth != 16 &&
2242 depth != 24 && depth != 32)
2243 goto graphic_error;
2244 } else if (*p == '\0') {
2245 depth = graphic_depth;
2246 } else {
2247 goto graphic_error;
2248 }
2249
2250 graphic_width = w;
2251 graphic_height = h;
2252 graphic_depth = depth;
2253 }
2254 break;
2255 case QEMU_OPTION_echr:
2256 {
2257 char *r;
2258 term_escape_char = strtol(optarg, &r, 0);
2259 if (r == optarg)
2260 printf("Bad argument to echr\n");
2261 break;
2262 }
2263 case QEMU_OPTION_monitor:
2264 monitor_parse(optarg, "readline");
2265 default_monitor = 0;
2266 break;
2267 case QEMU_OPTION_qmp:
2268 monitor_parse(optarg, "control");
2269 default_monitor = 0;
2270 break;
2271 case QEMU_OPTION_mon:
2272 opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
2273 if (!opts) {
2274 exit(1);
2275 }
2276 default_monitor = 0;
2277 break;
2278 case QEMU_OPTION_chardev:
2279 opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
2280 if (!opts) {
2281 exit(1);
2282 }
2283 break;
2284 #ifdef CONFIG_VIRTFS
2285 case QEMU_OPTION_fsdev:
2286 opts = qemu_opts_parse(&qemu_fsdev_opts, optarg, 1);
2287 if (!opts) {
2288 fprintf(stderr, "parse error: %s\n", optarg);
2289 exit(1);
2290 }
2291 break;
2292 case QEMU_OPTION_virtfs: {
2293 char *arg_fsdev = NULL;
2294 char *arg_9p = NULL;
2295 int len = 0;
2296
2297 opts = qemu_opts_parse(&qemu_virtfs_opts, optarg, 1);
2298 if (!opts) {
2299 fprintf(stderr, "parse error: %s\n", optarg);
2300 exit(1);
2301 }
2302
2303 if (qemu_opt_get(opts, "fstype") == NULL ||
2304 qemu_opt_get(opts, "mount_tag") == NULL ||
2305 qemu_opt_get(opts, "path") == NULL ||
2306 qemu_opt_get(opts, "security_model") == NULL) {
2307 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2308 "security_model=[mapped|passthrough],"
2309 "mnt_tag=tag.\n");
2310 exit(1);
2311 }
2312
2313 len = strlen(",id=,path=,security_model=");
2314 len += strlen(qemu_opt_get(opts, "fstype"));
2315 len += strlen(qemu_opt_get(opts, "mount_tag"));
2316 len += strlen(qemu_opt_get(opts, "path"));
2317 len += strlen(qemu_opt_get(opts, "security_model"));
2318 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2319
2320 if (!arg_fsdev) {
2321 fprintf(stderr, "No memory to parse -fsdev for %s\n",
2322 optarg);
2323 exit(1);
2324 }
2325
2326 sprintf(arg_fsdev, "%s,id=%s,path=%s,security_model=%s",
2327 qemu_opt_get(opts, "fstype"),
2328 qemu_opt_get(opts, "mount_tag"),
2329 qemu_opt_get(opts, "path"),
2330 qemu_opt_get(opts, "security_model"));
2331
2332 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2333 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2334 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2335
2336 if (!arg_9p) {
2337 fprintf(stderr, "No memory to parse -device for %s\n",
2338 optarg);
2339 exit(1);
2340 }
2341
2342 sprintf(arg_9p, "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2343 qemu_opt_get(opts, "mount_tag"),
2344 qemu_opt_get(opts, "mount_tag"));
2345
2346 if (!qemu_opts_parse(&qemu_fsdev_opts, arg_fsdev, 1)) {
2347 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2348 exit(1);
2349 }
2350
2351 if (!qemu_opts_parse(&qemu_device_opts, arg_9p, 1)) {
2352 fprintf(stderr, "parse error [device]: %s\n", optarg);
2353 exit(1);
2354 }
2355
2356 qemu_free(arg_fsdev);
2357 qemu_free(arg_9p);
2358 break;
2359 }
2360 #endif
2361 case QEMU_OPTION_serial:
2362 add_device_config(DEV_SERIAL, optarg);
2363 default_serial = 0;
2364 if (strncmp(optarg, "mon:", 4) == 0) {
2365 default_monitor = 0;
2366 }
2367 break;
2368 case QEMU_OPTION_watchdog:
2369 if (watchdog) {
2370 fprintf(stderr,
2371 "qemu: only one watchdog option may be given\n");
2372 return 1;
2373 }
2374 watchdog = optarg;
2375 break;
2376 case QEMU_OPTION_watchdog_action:
2377 if (select_watchdog_action(optarg) == -1) {
2378 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2379 exit(1);
2380 }
2381 break;
2382 case QEMU_OPTION_virtiocon:
2383 add_device_config(DEV_VIRTCON, optarg);
2384 default_virtcon = 0;
2385 if (strncmp(optarg, "mon:", 4) == 0) {
2386 default_monitor = 0;
2387 }
2388 break;
2389 case QEMU_OPTION_parallel:
2390 add_device_config(DEV_PARALLEL, optarg);
2391 default_parallel = 0;
2392 if (strncmp(optarg, "mon:", 4) == 0) {
2393 default_monitor = 0;
2394 }
2395 break;
2396 case QEMU_OPTION_debugcon:
2397 add_device_config(DEV_DEBUGCON, optarg);
2398 break;
2399 case QEMU_OPTION_loadvm:
2400 loadvm = optarg;
2401 break;
2402 case QEMU_OPTION_full_screen:
2403 full_screen = 1;
2404 break;
2405 #ifdef CONFIG_SDL
2406 case QEMU_OPTION_no_frame:
2407 no_frame = 1;
2408 break;
2409 case QEMU_OPTION_alt_grab:
2410 alt_grab = 1;
2411 break;
2412 case QEMU_OPTION_ctrl_grab:
2413 ctrl_grab = 1;
2414 break;
2415 case QEMU_OPTION_no_quit:
2416 no_quit = 1;
2417 break;
2418 case QEMU_OPTION_sdl:
2419 display_type = DT_SDL;
2420 break;
2421 #endif
2422 case QEMU_OPTION_pidfile:
2423 pid_file = optarg;
2424 break;
2425 case QEMU_OPTION_win2k_hack:
2426 win2k_install_hack = 1;
2427 break;
2428 case QEMU_OPTION_rtc_td_hack:
2429 rtc_td_hack = 1;
2430 break;
2431 case QEMU_OPTION_acpitable:
2432 do_acpitable_option(optarg);
2433 break;
2434 case QEMU_OPTION_smbios:
2435 do_smbios_option(optarg);
2436 break;
2437 case QEMU_OPTION_enable_kvm:
2438 kvm_allowed = 1;
2439 break;
2440 case QEMU_OPTION_usb:
2441 usb_enabled = 1;
2442 break;
2443 case QEMU_OPTION_usbdevice:
2444 usb_enabled = 1;
2445 add_device_config(DEV_USB, optarg);
2446 break;
2447 case QEMU_OPTION_device:
2448 if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
2449 exit(1);
2450 }
2451 break;
2452 case QEMU_OPTION_smp:
2453 smp_parse(optarg);
2454 if (smp_cpus < 1) {
2455 fprintf(stderr, "Invalid number of CPUs\n");
2456 exit(1);
2457 }
2458 if (max_cpus < smp_cpus) {
2459 fprintf(stderr, "maxcpus must be equal to or greater than "
2460 "smp\n");
2461 exit(1);
2462 }
2463 if (max_cpus > 255) {
2464 fprintf(stderr, "Unsupported number of maxcpus\n");
2465 exit(1);
2466 }
2467 break;
2468 case QEMU_OPTION_vnc:
2469 display_type = DT_VNC;
2470 vnc_display = optarg;
2471 break;
2472 case QEMU_OPTION_no_acpi:
2473 acpi_enabled = 0;
2474 break;
2475 case QEMU_OPTION_no_hpet:
2476 no_hpet = 1;
2477 break;
2478 case QEMU_OPTION_balloon:
2479 if (balloon_parse(optarg) < 0) {
2480 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2481 exit(1);
2482 }
2483 break;
2484 case QEMU_OPTION_no_reboot:
2485 no_reboot = 1;
2486 break;
2487 case QEMU_OPTION_no_shutdown:
2488 no_shutdown = 1;
2489 break;
2490 case QEMU_OPTION_show_cursor:
2491 cursor_hide = 0;
2492 break;
2493 case QEMU_OPTION_uuid:
2494 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2495 fprintf(stderr, "Fail to parse UUID string."
2496 " Wrong format.\n");
2497 exit(1);
2498 }
2499 break;
2500 case QEMU_OPTION_option_rom:
2501 if (nb_option_roms >= MAX_OPTION_ROMS) {
2502 fprintf(stderr, "Too many option ROMs\n");
2503 exit(1);
2504 }
2505 option_rom[nb_option_roms] = optarg;
2506 nb_option_roms++;
2507 break;
2508 case QEMU_OPTION_semihosting:
2509 semihosting_enabled = 1;
2510 break;
2511 case QEMU_OPTION_name:
2512 qemu_name = qemu_strdup(optarg);
2513 {
2514 char *p = strchr(qemu_name, ',');
2515 if (p != NULL) {
2516 *p++ = 0;
2517 if (strncmp(p, "process=", 8)) {
2518 fprintf(stderr, "Unknown subargument %s to -name", p);
2519 exit(1);
2520 }
2521 p += 8;
2522 os_set_proc_name(p);
2523 }
2524 }
2525 break;
2526 case QEMU_OPTION_prom_env:
2527 if (nb_prom_envs >= MAX_PROM_ENVS) {
2528 fprintf(stderr, "Too many prom variables\n");
2529 exit(1);
2530 }
2531 prom_envs[nb_prom_envs] = optarg;
2532 nb_prom_envs++;
2533 break;
2534 case QEMU_OPTION_old_param:
2535 old_param = 1;
2536 break;
2537 case QEMU_OPTION_clock:
2538 configure_alarms(optarg);
2539 break;
2540 case QEMU_OPTION_startdate:
2541 configure_rtc_date_offset(optarg, 1);
2542 break;
2543 case QEMU_OPTION_rtc:
2544 opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
2545 if (!opts) {
2546 exit(1);
2547 }
2548 configure_rtc(opts);
2549 break;
2550 case QEMU_OPTION_tb_size:
2551 tb_size = strtol(optarg, NULL, 0);
2552 if (tb_size < 0)
2553 tb_size = 0;
2554 break;
2555 case QEMU_OPTION_icount:
2556 icount_option = optarg;
2557 break;
2558 case QEMU_OPTION_incoming:
2559 incoming = optarg;
2560 break;
2561 case QEMU_OPTION_nodefaults:
2562 default_serial = 0;
2563 default_parallel = 0;
2564 default_virtcon = 0;
2565 default_monitor = 0;
2566 default_vga = 0;
2567 default_net = 0;
2568 default_floppy = 0;
2569 default_cdrom = 0;
2570 default_sdcard = 0;
2571 break;
2572 case QEMU_OPTION_xen_domid:
2573 if (!(xen_available())) {
2574 printf("Option %s not supported for this target\n", popt->name);
2575 exit(1);
2576 }
2577 xen_domid = atoi(optarg);
2578 break;
2579 case QEMU_OPTION_xen_create:
2580 if (!(xen_available())) {
2581 printf("Option %s not supported for this target\n", popt->name);
2582 exit(1);
2583 }
2584 xen_mode = XEN_CREATE;
2585 break;
2586 case QEMU_OPTION_xen_attach:
2587 if (!(xen_available())) {
2588 printf("Option %s not supported for this target\n", popt->name);
2589 exit(1);
2590 }
2591 xen_mode = XEN_ATTACH;
2592 break;
2593 case QEMU_OPTION_readconfig:
2594 {
2595 int ret = qemu_read_config_file(optarg);
2596 if (ret < 0) {
2597 fprintf(stderr, "read config %s: %s\n", optarg,
2598 strerror(-ret));
2599 exit(1);
2600 }
2601 break;
2602 }
2603 case QEMU_OPTION_writeconfig:
2604 {
2605 FILE *fp;
2606 if (strcmp(optarg, "-") == 0) {
2607 fp = stdout;
2608 } else {
2609 fp = fopen(optarg, "w");
2610 if (fp == NULL) {
2611 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2612 exit(1);
2613 }
2614 }
2615 qemu_config_write(fp);
2616 fclose(fp);
2617 break;
2618 }
2619 default:
2620 os_parse_cmd_args(popt->index, optarg);
2621 }
2622 }
2623 }
2624 loc_set_none();
2625
2626 /* If no data_dir is specified then try to find it relative to the
2627 executable path. */
2628 if (!data_dir) {
2629 data_dir = os_find_datadir(argv[0]);
2630 }
2631 /* If all else fails use the install patch specified when building. */
2632 if (!data_dir) {
2633 data_dir = CONFIG_QEMU_DATADIR;
2634 }
2635
2636 /*
2637 * Default to max_cpus = smp_cpus, in case the user doesn't
2638 * specify a max_cpus value.
2639 */
2640 if (!max_cpus)
2641 max_cpus = smp_cpus;
2642
2643 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2644 if (smp_cpus > machine->max_cpus) {
2645 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2646 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2647 machine->max_cpus);
2648 exit(1);
2649 }
2650
2651 qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0);
2652 qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0);
2653
2654 if (machine->no_serial) {
2655 default_serial = 0;
2656 }
2657 if (machine->no_parallel) {
2658 default_parallel = 0;
2659 }
2660 if (!machine->use_virtcon) {
2661 default_virtcon = 0;
2662 }
2663 if (machine->no_vga) {
2664 default_vga = 0;
2665 }
2666 if (machine->no_floppy) {
2667 default_floppy = 0;
2668 }
2669 if (machine->no_cdrom) {
2670 default_cdrom = 0;
2671 }
2672 if (machine->no_sdcard) {
2673 default_sdcard = 0;
2674 }
2675
2676 if (display_type == DT_NOGRAPHIC) {
2677 if (default_parallel)
2678 add_device_config(DEV_PARALLEL, "null");
2679 if (default_serial && default_monitor) {
2680 add_device_config(DEV_SERIAL, "mon:stdio");
2681 } else if (default_virtcon && default_monitor) {
2682 add_device_config(DEV_VIRTCON, "mon:stdio");
2683 } else {
2684 if (default_serial)
2685 add_device_config(DEV_SERIAL, "stdio");
2686 if (default_virtcon)
2687 add_device_config(DEV_VIRTCON, "stdio");
2688 if (default_monitor)
2689 monitor_parse("stdio", "readline");
2690 }
2691 } else {
2692 if (default_serial)
2693 add_device_config(DEV_SERIAL, "vc:80Cx24C");
2694 if (default_parallel)
2695 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2696 if (default_monitor)
2697 monitor_parse("vc:80Cx24C", "readline");
2698 if (default_virtcon)
2699 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2700 }
2701 if (default_vga)
2702 vga_interface_type = VGA_CIRRUS;
2703
2704 socket_init();
2705
2706 if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
2707 exit(1);
2708 #ifdef CONFIG_VIRTFS
2709 if (qemu_opts_foreach(&qemu_fsdev_opts, fsdev_init_func, NULL, 1) != 0) {
2710 exit(1);
2711 }
2712 #endif
2713
2714 os_daemonize();
2715
2716 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2717 os_pidfile_error();
2718 exit(1);
2719 }
2720
2721 if (kvm_allowed) {
2722 int ret = kvm_init(smp_cpus);
2723 if (ret < 0) {
2724 if (!kvm_available()) {
2725 printf("KVM not supported for this target\n");
2726 } else {
2727 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2728 }
2729 exit(1);
2730 }
2731 }
2732
2733 if (qemu_init_main_loop()) {
2734 fprintf(stderr, "qemu_init_main_loop failed\n");
2735 exit(1);
2736 }
2737 linux_boot = (kernel_filename != NULL);
2738
2739 if (!linux_boot && *kernel_cmdline != '\0') {
2740 fprintf(stderr, "-append only allowed with -kernel option\n");
2741 exit(1);
2742 }
2743
2744 if (!linux_boot && initrd_filename != NULL) {
2745 fprintf(stderr, "-initrd only allowed with -kernel option\n");
2746 exit(1);
2747 }
2748
2749 os_set_line_buffering();
2750
2751 if (init_timer_alarm() < 0) {
2752 fprintf(stderr, "could not initialize alarm timer\n");
2753 exit(1);
2754 }
2755 configure_icount(icount_option);
2756
2757 if (net_init_clients() < 0) {
2758 exit(1);
2759 }
2760
2761 /* init the bluetooth world */
2762 if (foreach_device_config(DEV_BT, bt_parse))
2763 exit(1);
2764
2765 /* init the memory */
2766 if (ram_size == 0)
2767 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2768
2769 /* init the dynamic translator */
2770 cpu_exec_init_all(tb_size * 1024 * 1024);
2771
2772 bdrv_init_with_whitelist();
2773
2774 blk_mig_init();
2775
2776 if (default_cdrom) {
2777 /* we always create the cdrom drive, even if no disk is there */
2778 drive_add(NULL, CDROM_ALIAS);
2779 }
2780
2781 if (default_floppy) {
2782 /* we always create at least one floppy */
2783 drive_add(NULL, FD_ALIAS, 0);
2784 }
2785
2786 if (default_sdcard) {
2787 /* we always create one sd slot, even if no card is in it */
2788 drive_add(NULL, SD_ALIAS);
2789 }
2790
2791 /* open the virtual block devices */
2792 if (snapshot)
2793 qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
2794 if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, &machine->use_scsi, 1) != 0)
2795 exit(1);
2796
2797 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2798 ram_load, NULL);
2799
2800 if (nb_numa_nodes > 0) {
2801 int i;
2802
2803 if (nb_numa_nodes > smp_cpus) {
2804 nb_numa_nodes = smp_cpus;
2805 }
2806
2807 /* If no memory size if given for any node, assume the default case
2808 * and distribute the available memory equally across all nodes
2809 */
2810 for (i = 0; i < nb_numa_nodes; i++) {
2811 if (node_mem[i] != 0)
2812 break;
2813 }
2814 if (i == nb_numa_nodes) {
2815 uint64_t usedmem = 0;
2816
2817 /* On Linux, the each node's border has to be 8MB aligned,
2818 * the final node gets the rest.
2819 */
2820 for (i = 0; i < nb_numa_nodes - 1; i++) {
2821 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2822 usedmem += node_mem[i];
2823 }
2824 node_mem[i] = ram_size - usedmem;
2825 }
2826
2827 for (i = 0; i < nb_numa_nodes; i++) {
2828 if (node_cpumask[i] != 0)
2829 break;
2830 }
2831 /* assigning the VCPUs round-robin is easier to implement, guest OSes
2832 * must cope with this anyway, because there are BIOSes out there in
2833 * real machines which also use this scheme.
2834 */
2835 if (i == nb_numa_nodes) {
2836 for (i = 0; i < smp_cpus; i++) {
2837 node_cpumask[i % nb_numa_nodes] |= 1 << i;
2838 }
2839 }
2840 }
2841
2842 if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) {
2843 exit(1);
2844 }
2845
2846 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2847 exit(1);
2848 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2849 exit(1);
2850 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2851 exit(1);
2852 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2853 exit(1);
2854
2855 module_call_init(MODULE_INIT_DEVICE);
2856
2857 if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0)
2858 exit(0);
2859
2860 if (watchdog) {
2861 i = select_watchdog(watchdog);
2862 if (i > 0)
2863 exit (i == 1 ? 1 : 0);
2864 }
2865
2866 if (machine->compat_props) {
2867 qdev_prop_register_global_list(machine->compat_props);
2868 }
2869 qemu_add_globals();
2870
2871 machine->init(ram_size, boot_devices,
2872 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
2873
2874 cpu_synchronize_all_post_init();
2875
2876 /* must be after terminal init, SDL library changes signal handlers */
2877 os_setup_signal_handling();
2878
2879 set_numa_modes();
2880
2881 current_machine = machine;
2882
2883 /* init USB devices */
2884 if (usb_enabled) {
2885 if (foreach_device_config(DEV_USB, usb_parse) < 0)
2886 exit(1);
2887 }
2888
2889 /* init generic devices */
2890 if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
2891 exit(1);
2892
2893 net_check_clients();
2894
2895 /* just use the first displaystate for the moment */
2896 ds = get_displaystate();
2897
2898 if (display_type == DT_DEFAULT) {
2899 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
2900 display_type = DT_SDL;
2901 #else
2902 display_type = DT_VNC;
2903 vnc_display = "localhost:0,to=99";
2904 show_vnc_port = 1;
2905 #endif
2906 }
2907
2908
2909 switch (display_type) {
2910 case DT_NOGRAPHIC:
2911 break;
2912 #if defined(CONFIG_CURSES)
2913 case DT_CURSES:
2914 curses_display_init(ds, full_screen);
2915 break;
2916 #endif
2917 #if defined(CONFIG_SDL)
2918 case DT_SDL:
2919 sdl_display_init(ds, full_screen, no_frame);
2920 break;
2921 #elif defined(CONFIG_COCOA)
2922 case DT_SDL:
2923 cocoa_display_init(ds, full_screen);
2924 break;
2925 #endif
2926 case DT_VNC:
2927 vnc_display_init(ds);
2928 if (vnc_display_open(ds, vnc_display) < 0)
2929 exit(1);
2930
2931 if (show_vnc_port) {
2932 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
2933 }
2934 break;
2935 default:
2936 break;
2937 }
2938 dpy_resize(ds);
2939
2940 dcl = ds->listeners;
2941 while (dcl != NULL) {
2942 if (dcl->dpy_refresh != NULL) {
2943 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
2944 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
2945 break;
2946 }
2947 dcl = dcl->next;
2948 }
2949
2950 if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
2951 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
2952 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
2953 }
2954
2955 text_consoles_set_display(ds);
2956
2957 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
2958 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
2959 gdbstub_dev);
2960 exit(1);
2961 }
2962
2963 qdev_machine_creation_done();
2964
2965 if (rom_load_all() != 0) {
2966 fprintf(stderr, "rom loading failed\n");
2967 exit(1);
2968 }
2969
2970 qemu_system_reset();
2971 if (loadvm) {
2972 if (load_vmstate(loadvm) < 0) {
2973 autostart = 0;
2974 }
2975 }
2976
2977 if (incoming) {
2978 int ret = qemu_start_incoming_migration(incoming);
2979 if (ret < 0) {
2980 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
2981 incoming, ret);
2982 exit(ret);
2983 }
2984 } else if (autostart) {
2985 vm_start();
2986 }
2987
2988 os_setup_post();
2989
2990 main_loop();
2991 quit_timers();
2992 net_cleanup();
2993
2994 return 0;
2995 }
QEmu