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signalfd compatibility
[qemu/qemu-dev-zwu.git] / vl.c
blobdf414ef5ac3e880b59675c7b9473fcc253e50740
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
34
35 #ifndef _WIN32
36 #include <libgen.h>
37 #include <sys/times.h>
38 #include <sys/wait.h>
39 #include <termios.h>
40 #include <sys/mman.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
45 #include <net/if.h>
46 #include <arpa/inet.h>
47 #include <dirent.h>
48 #include <netdb.h>
49 #include <sys/select.h>
50 #ifdef CONFIG_SIMPLE_TRACE
51 #include "trace.h"
52 #endif
53
54 #ifdef CONFIG_BSD
55 #include <sys/stat.h>
56 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
57 #include <libutil.h>
58 #include <sys/sysctl.h>
59 #else
60 #include <util.h>
61 #endif
62 #else
63 #ifdef __linux__
64 #include <pty.h>
65 #include <malloc.h>
66
67 #include <linux/ppdev.h>
68 #include <linux/parport.h>
69 #endif
70 #ifdef __sun__
71 #include <sys/stat.h>
72 #include <sys/ethernet.h>
73 #include <sys/sockio.h>
74 #include <netinet/arp.h>
75 #include <netinet/in_systm.h>
76 #include <netinet/ip.h>
77 #include <netinet/ip_icmp.h> // must come after ip.h
78 #include <netinet/udp.h>
79 #include <netinet/tcp.h>
80 #include <net/if.h>
81 #include <syslog.h>
82 #include <stropts.h>
83 #endif
84 #endif
85 #endif
86
87 #if defined(__OpenBSD__)
88 #include <util.h>
89 #endif
90
91 #if defined(CONFIG_VDE)
92 #include <libvdeplug.h>
93 #endif
94
95 #ifdef _WIN32
96 #include <windows.h>
97 #endif
98
99 #ifdef CONFIG_SDL
100 #if defined(__APPLE__) || defined(main)
101 #include <SDL.h>
102 int qemu_main(int argc, char **argv, char **envp);
103 int main(int argc, char **argv)
104 {
105 return qemu_main(argc, argv, NULL);
106 }
107 #undef main
108 #define main qemu_main
109 #endif
110 #endif /* CONFIG_SDL */
111
112 #ifdef CONFIG_COCOA
113 #undef main
114 #define main qemu_main
115 #endif /* CONFIG_COCOA */
116
117 #include "hw/hw.h"
118 #include "hw/boards.h"
119 #include "hw/usb.h"
120 #include "hw/pcmcia.h"
121 #include "hw/pc.h"
122 #include "hw/isa.h"
123 #include "hw/baum.h"
124 #include "hw/bt.h"
125 #include "hw/watchdog.h"
126 #include "hw/smbios.h"
127 #include "hw/xen.h"
128 #include "hw/qdev.h"
129 #include "hw/loader.h"
130 #include "bt-host.h"
131 #include "net.h"
132 #include "net/slirp.h"
133 #include "monitor.h"
134 #include "console.h"
135 #include "sysemu.h"
136 #include "gdbstub.h"
137 #include "qemu-timer.h"
138 #include "qemu-char.h"
139 #include "cache-utils.h"
140 #include "block.h"
141 #include "blockdev.h"
142 #include "block-migration.h"
143 #include "dma.h"
144 #include "audio/audio.h"
145 #include "migration.h"
146 #include "kvm.h"
147 #include "qemu-option.h"
148 #include "qemu-config.h"
149 #include "qemu-objects.h"
150 #include "qemu-options.h"
151 #ifdef CONFIG_VIRTFS
152 #include "fsdev/qemu-fsdev.h"
153 #endif
154
155 #include "disas.h"
156
157 #include "qemu_socket.h"
158
159 #include "slirp/libslirp.h"
160
161 #include "qemu-queue.h"
162 #include "cpus.h"
163 #include "arch_init.h"
164
165 #include "ui/qemu-spice.h"
166
167 //#define DEBUG_NET
168 //#define DEBUG_SLIRP
169
170 #define DEFAULT_RAM_SIZE 128
171
172 #define MAX_VIRTIO_CONSOLES 1
173
174 static const char *data_dir;
175 const char *bios_name = NULL;
176 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
177 DisplayType display_type = DT_DEFAULT;
178 int display_remote = 0;
179 const char* keyboard_layout = NULL;
180 ram_addr_t ram_size;
181 const char *mem_path = NULL;
182 #ifdef MAP_POPULATE
183 int mem_prealloc = 0; /* force preallocation of physical target memory */
184 #endif
185 int nb_nics;
186 NICInfo nd_table[MAX_NICS];
187 int vm_running;
188 int autostart;
189 int incoming_expected; /* Started with -incoming and waiting for incoming */
190 static int rtc_utc = 1;
191 static int rtc_date_offset = -1; /* -1 means no change */
192 QEMUClock *rtc_clock;
193 int vga_interface_type = VGA_NONE;
194 static int full_screen = 0;
195 #ifdef CONFIG_SDL
196 static int no_frame = 0;
197 #endif
198 int no_quit = 0;
199 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
200 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
201 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
202 int win2k_install_hack = 0;
203 int rtc_td_hack = 0;
204 int usb_enabled = 0;
205 int singlestep = 0;
206 int smp_cpus = 1;
207 int max_cpus = 0;
208 int smp_cores = 1;
209 int smp_threads = 1;
210 const char *vnc_display;
211 int acpi_enabled = 1;
212 int no_hpet = 0;
213 int fd_bootchk = 1;
214 int no_reboot = 0;
215 int no_shutdown = 0;
216 int cursor_hide = 1;
217 int graphic_rotate = 0;
218 uint8_t irq0override = 1;
219 const char *watchdog;
220 const char *option_rom[MAX_OPTION_ROMS];
221 int nb_option_roms;
222 int semihosting_enabled = 0;
223 int old_param = 0;
224 const char *qemu_name;
225 int alt_grab = 0;
226 int ctrl_grab = 0;
227 unsigned int nb_prom_envs = 0;
228 const char *prom_envs[MAX_PROM_ENVS];
229 int boot_menu;
230
231 int nb_numa_nodes;
232 uint64_t node_mem[MAX_NODES];
233 uint64_t node_cpumask[MAX_NODES];
234
235 static QEMUTimer *nographic_timer;
236
237 uint8_t qemu_uuid[16];
238
239 static QEMUBootSetHandler *boot_set_handler;
240 static void *boot_set_opaque;
241
242 static NotifierList exit_notifiers =
243 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
244
245 int kvm_allowed = 0;
246 uint32_t xen_domid;
247 enum xen_mode xen_mode = XEN_EMULATE;
248
249 static int default_serial = 1;
250 static int default_parallel = 1;
251 static int default_virtcon = 1;
252 static int default_monitor = 1;
253 static int default_vga = 1;
254 static int default_floppy = 1;
255 static int default_cdrom = 1;
256 static int default_sdcard = 1;
257
258 static struct {
259 const char *driver;
260 int *flag;
261 } default_list[] = {
262 { .driver = "isa-serial", .flag = &default_serial },
263 { .driver = "isa-parallel", .flag = &default_parallel },
264 { .driver = "isa-fdc", .flag = &default_floppy },
265 { .driver = "ide-drive", .flag = &default_cdrom },
266 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
267 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
268 { .driver = "virtio-serial", .flag = &default_virtcon },
269 { .driver = "VGA", .flag = &default_vga },
270 { .driver = "cirrus-vga", .flag = &default_vga },
271 { .driver = "vmware-svga", .flag = &default_vga },
272 };
273
274 static int default_driver_check(QemuOpts *opts, void *opaque)
275 {
276 const char *driver = qemu_opt_get(opts, "driver");
277 int i;
278
279 if (!driver)
280 return 0;
281 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
282 if (strcmp(default_list[i].driver, driver) != 0)
283 continue;
284 *(default_list[i].flag) = 0;
285 }
286 return 0;
287 }
288
289 /***********************************************************/
290 /* real time host monotonic timer */
291
292 /* compute with 96 bit intermediate result: (a*b)/c */
293 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
294 {
295 union {
296 uint64_t ll;
297 struct {
298 #ifdef HOST_WORDS_BIGENDIAN
299 uint32_t high, low;
300 #else
301 uint32_t low, high;
302 #endif
303 } l;
304 } u, res;
305 uint64_t rl, rh;
306
307 u.ll = a;
308 rl = (uint64_t)u.l.low * (uint64_t)b;
309 rh = (uint64_t)u.l.high * (uint64_t)b;
310 rh += (rl >> 32);
311 res.l.high = rh / c;
312 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
313 return res.ll;
314 }
315
316 /***********************************************************/
317 /* host time/date access */
318 void qemu_get_timedate(struct tm *tm, int offset)
319 {
320 time_t ti;
321 struct tm *ret;
322
323 time(&ti);
324 ti += offset;
325 if (rtc_date_offset == -1) {
326 if (rtc_utc)
327 ret = gmtime(&ti);
328 else
329 ret = localtime(&ti);
330 } else {
331 ti -= rtc_date_offset;
332 ret = gmtime(&ti);
333 }
334
335 memcpy(tm, ret, sizeof(struct tm));
336 }
337
338 int qemu_timedate_diff(struct tm *tm)
339 {
340 time_t seconds;
341
342 if (rtc_date_offset == -1)
343 if (rtc_utc)
344 seconds = mktimegm(tm);
345 else
346 seconds = mktime(tm);
347 else
348 seconds = mktimegm(tm) + rtc_date_offset;
349
350 return seconds - time(NULL);
351 }
352
353 void rtc_change_mon_event(struct tm *tm)
354 {
355 QObject *data;
356
357 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
358 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
359 qobject_decref(data);
360 }
361
362 static void configure_rtc_date_offset(const char *startdate, int legacy)
363 {
364 time_t rtc_start_date;
365 struct tm tm;
366
367 if (!strcmp(startdate, "now") && legacy) {
368 rtc_date_offset = -1;
369 } else {
370 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
371 &tm.tm_year,
372 &tm.tm_mon,
373 &tm.tm_mday,
374 &tm.tm_hour,
375 &tm.tm_min,
376 &tm.tm_sec) == 6) {
377 /* OK */
378 } else if (sscanf(startdate, "%d-%d-%d",
379 &tm.tm_year,
380 &tm.tm_mon,
381 &tm.tm_mday) == 3) {
382 tm.tm_hour = 0;
383 tm.tm_min = 0;
384 tm.tm_sec = 0;
385 } else {
386 goto date_fail;
387 }
388 tm.tm_year -= 1900;
389 tm.tm_mon--;
390 rtc_start_date = mktimegm(&tm);
391 if (rtc_start_date == -1) {
392 date_fail:
393 fprintf(stderr, "Invalid date format. Valid formats are:\n"
394 "'2006-06-17T16:01:21' or '2006-06-17'\n");
395 exit(1);
396 }
397 rtc_date_offset = time(NULL) - rtc_start_date;
398 }
399 }
400
401 static void configure_rtc(QemuOpts *opts)
402 {
403 const char *value;
404
405 value = qemu_opt_get(opts, "base");
406 if (value) {
407 if (!strcmp(value, "utc")) {
408 rtc_utc = 1;
409 } else if (!strcmp(value, "localtime")) {
410 rtc_utc = 0;
411 } else {
412 configure_rtc_date_offset(value, 0);
413 }
414 }
415 value = qemu_opt_get(opts, "clock");
416 if (value) {
417 if (!strcmp(value, "host")) {
418 rtc_clock = host_clock;
419 } else if (!strcmp(value, "vm")) {
420 rtc_clock = vm_clock;
421 } else {
422 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
423 exit(1);
424 }
425 }
426 value = qemu_opt_get(opts, "driftfix");
427 if (value) {
428 if (!strcmp(value, "slew")) {
429 rtc_td_hack = 1;
430 } else if (!strcmp(value, "none")) {
431 rtc_td_hack = 0;
432 } else {
433 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
434 exit(1);
435 }
436 }
437 }
438
439 /***********************************************************/
440 /* Bluetooth support */
441 static int nb_hcis;
442 static int cur_hci;
443 static struct HCIInfo *hci_table[MAX_NICS];
444
445 static struct bt_vlan_s {
446 struct bt_scatternet_s net;
447 int id;
448 struct bt_vlan_s *next;
449 } *first_bt_vlan;
450
451 /* find or alloc a new bluetooth "VLAN" */
452 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
453 {
454 struct bt_vlan_s **pvlan, *vlan;
455 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
456 if (vlan->id == id)
457 return &vlan->net;
458 }
459 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
460 vlan->id = id;
461 pvlan = &first_bt_vlan;
462 while (*pvlan != NULL)
463 pvlan = &(*pvlan)->next;
464 *pvlan = vlan;
465 return &vlan->net;
466 }
467
468 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
469 {
470 }
471
472 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
473 {
474 return -ENOTSUP;
475 }
476
477 static struct HCIInfo null_hci = {
478 .cmd_send = null_hci_send,
479 .sco_send = null_hci_send,
480 .acl_send = null_hci_send,
481 .bdaddr_set = null_hci_addr_set,
482 };
483
484 struct HCIInfo *qemu_next_hci(void)
485 {
486 if (cur_hci == nb_hcis)
487 return &null_hci;
488
489 return hci_table[cur_hci++];
490 }
491
492 static struct HCIInfo *hci_init(const char *str)
493 {
494 char *endp;
495 struct bt_scatternet_s *vlan = 0;
496
497 if (!strcmp(str, "null"))
498 /* null */
499 return &null_hci;
500 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
501 /* host[:hciN] */
502 return bt_host_hci(str[4] ? str + 5 : "hci0");
503 else if (!strncmp(str, "hci", 3)) {
504 /* hci[,vlan=n] */
505 if (str[3]) {
506 if (!strncmp(str + 3, ",vlan=", 6)) {
507 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
508 if (*endp)
509 vlan = 0;
510 }
511 } else
512 vlan = qemu_find_bt_vlan(0);
513 if (vlan)
514 return bt_new_hci(vlan);
515 }
516
517 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
518
519 return 0;
520 }
521
522 static int bt_hci_parse(const char *str)
523 {
524 struct HCIInfo *hci;
525 bdaddr_t bdaddr;
526
527 if (nb_hcis >= MAX_NICS) {
528 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
529 return -1;
530 }
531
532 hci = hci_init(str);
533 if (!hci)
534 return -1;
535
536 bdaddr.b[0] = 0x52;
537 bdaddr.b[1] = 0x54;
538 bdaddr.b[2] = 0x00;
539 bdaddr.b[3] = 0x12;
540 bdaddr.b[4] = 0x34;
541 bdaddr.b[5] = 0x56 + nb_hcis;
542 hci->bdaddr_set(hci, bdaddr.b);
543
544 hci_table[nb_hcis++] = hci;
545
546 return 0;
547 }
548
549 static void bt_vhci_add(int vlan_id)
550 {
551 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
552
553 if (!vlan->slave)
554 fprintf(stderr, "qemu: warning: adding a VHCI to "
555 "an empty scatternet %i\n", vlan_id);
556
557 bt_vhci_init(bt_new_hci(vlan));
558 }
559
560 static struct bt_device_s *bt_device_add(const char *opt)
561 {
562 struct bt_scatternet_s *vlan;
563 int vlan_id = 0;
564 char *endp = strstr(opt, ",vlan=");
565 int len = (endp ? endp - opt : strlen(opt)) + 1;
566 char devname[10];
567
568 pstrcpy(devname, MIN(sizeof(devname), len), opt);
569
570 if (endp) {
571 vlan_id = strtol(endp + 6, &endp, 0);
572 if (*endp) {
573 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
574 return 0;
575 }
576 }
577
578 vlan = qemu_find_bt_vlan(vlan_id);
579
580 if (!vlan->slave)
581 fprintf(stderr, "qemu: warning: adding a slave device to "
582 "an empty scatternet %i\n", vlan_id);
583
584 if (!strcmp(devname, "keyboard"))
585 return bt_keyboard_init(vlan);
586
587 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
588 return 0;
589 }
590
591 static int bt_parse(const char *opt)
592 {
593 const char *endp, *p;
594 int vlan;
595
596 if (strstart(opt, "hci", &endp)) {
597 if (!*endp || *endp == ',') {
598 if (*endp)
599 if (!strstart(endp, ",vlan=", 0))
600 opt = endp + 1;
601
602 return bt_hci_parse(opt);
603 }
604 } else if (strstart(opt, "vhci", &endp)) {
605 if (!*endp || *endp == ',') {
606 if (*endp) {
607 if (strstart(endp, ",vlan=", &p)) {
608 vlan = strtol(p, (char **) &endp, 0);
609 if (*endp) {
610 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
611 return 1;
612 }
613 } else {
614 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
615 return 1;
616 }
617 } else
618 vlan = 0;
619
620 bt_vhci_add(vlan);
621 return 0;
622 }
623 } else if (strstart(opt, "device:", &endp))
624 return !bt_device_add(endp);
625
626 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
627 return 1;
628 }
629
630 /***********************************************************/
631 /* QEMU Block devices */
632
633 #define HD_ALIAS "index=%d,media=disk"
634 #define CDROM_ALIAS "index=2,media=cdrom"
635 #define FD_ALIAS "index=%d,if=floppy"
636 #define PFLASH_ALIAS "if=pflash"
637 #define MTD_ALIAS "if=mtd"
638 #define SD_ALIAS "index=0,if=sd"
639
640 static int drive_init_func(QemuOpts *opts, void *opaque)
641 {
642 int *use_scsi = opaque;
643 int fatal_error = 0;
644
645 if (drive_init(opts, *use_scsi, &fatal_error) == NULL) {
646 if (fatal_error)
647 return 1;
648 }
649 return 0;
650 }
651
652 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
653 {
654 if (NULL == qemu_opt_get(opts, "snapshot")) {
655 qemu_opt_set(opts, "snapshot", "on");
656 }
657 return 0;
658 }
659
660 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
661 {
662 boot_set_handler = func;
663 boot_set_opaque = opaque;
664 }
665
666 int qemu_boot_set(const char *boot_devices)
667 {
668 if (!boot_set_handler) {
669 return -EINVAL;
670 }
671 return boot_set_handler(boot_set_opaque, boot_devices);
672 }
673
674 static void validate_bootdevices(char *devices)
675 {
676 /* We just do some generic consistency checks */
677 const char *p;
678 int bitmap = 0;
679
680 for (p = devices; *p != '\0'; p++) {
681 /* Allowed boot devices are:
682 * a-b: floppy disk drives
683 * c-f: IDE disk drives
684 * g-m: machine implementation dependant drives
685 * n-p: network devices
686 * It's up to each machine implementation to check if the given boot
687 * devices match the actual hardware implementation and firmware
688 * features.
689 */
690 if (*p < 'a' || *p > 'p') {
691 fprintf(stderr, "Invalid boot device '%c'\n", *p);
692 exit(1);
693 }
694 if (bitmap & (1 << (*p - 'a'))) {
695 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
696 exit(1);
697 }
698 bitmap |= 1 << (*p - 'a');
699 }
700 }
701
702 static void restore_boot_devices(void *opaque)
703 {
704 char *standard_boot_devices = opaque;
705 static int first = 1;
706
707 /* Restore boot order and remove ourselves after the first boot */
708 if (first) {
709 first = 0;
710 return;
711 }
712
713 qemu_boot_set(standard_boot_devices);
714
715 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
716 qemu_free(standard_boot_devices);
717 }
718
719 static void numa_add(const char *optarg)
720 {
721 char option[128];
722 char *endptr;
723 unsigned long long value, endvalue;
724 int nodenr;
725
726 optarg = get_opt_name(option, 128, optarg, ',') + 1;
727 if (!strcmp(option, "node")) {
728 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
729 nodenr = nb_numa_nodes;
730 } else {
731 nodenr = strtoull(option, NULL, 10);
732 }
733
734 if (get_param_value(option, 128, "mem", optarg) == 0) {
735 node_mem[nodenr] = 0;
736 } else {
737 value = strtoull(option, &endptr, 0);
738 switch (*endptr) {
739 case 0: case 'M': case 'm':
740 value <<= 20;
741 break;
742 case 'G': case 'g':
743 value <<= 30;
744 break;
745 }
746 node_mem[nodenr] = value;
747 }
748 if (get_param_value(option, 128, "cpus", optarg) == 0) {
749 node_cpumask[nodenr] = 0;
750 } else {
751 value = strtoull(option, &endptr, 10);
752 if (value >= 64) {
753 value = 63;
754 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
755 } else {
756 if (*endptr == '-') {
757 endvalue = strtoull(endptr+1, &endptr, 10);
758 if (endvalue >= 63) {
759 endvalue = 62;
760 fprintf(stderr,
761 "only 63 CPUs in NUMA mode supported.\n");
762 }
763 value = (2ULL << endvalue) - (1ULL << value);
764 } else {
765 value = 1ULL << value;
766 }
767 }
768 node_cpumask[nodenr] = value;
769 }
770 nb_numa_nodes++;
771 }
772 return;
773 }
774
775 static void smp_parse(const char *optarg)
776 {
777 int smp, sockets = 0, threads = 0, cores = 0;
778 char *endptr;
779 char option[128];
780
781 smp = strtoul(optarg, &endptr, 10);
782 if (endptr != optarg) {
783 if (*endptr == ',') {
784 endptr++;
785 }
786 }
787 if (get_param_value(option, 128, "sockets", endptr) != 0)
788 sockets = strtoull(option, NULL, 10);
789 if (get_param_value(option, 128, "cores", endptr) != 0)
790 cores = strtoull(option, NULL, 10);
791 if (get_param_value(option, 128, "threads", endptr) != 0)
792 threads = strtoull(option, NULL, 10);
793 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
794 max_cpus = strtoull(option, NULL, 10);
795
796 /* compute missing values, prefer sockets over cores over threads */
797 if (smp == 0 || sockets == 0) {
798 sockets = sockets > 0 ? sockets : 1;
799 cores = cores > 0 ? cores : 1;
800 threads = threads > 0 ? threads : 1;
801 if (smp == 0) {
802 smp = cores * threads * sockets;
803 }
804 } else {
805 if (cores == 0) {
806 threads = threads > 0 ? threads : 1;
807 cores = smp / (sockets * threads);
808 } else {
809 threads = smp / (cores * sockets);
810 }
811 }
812 smp_cpus = smp;
813 smp_cores = cores > 0 ? cores : 1;
814 smp_threads = threads > 0 ? threads : 1;
815 if (max_cpus == 0)
816 max_cpus = smp_cpus;
817 }
818
819 /***********************************************************/
820 /* USB devices */
821
822 static int usb_device_add(const char *devname)
823 {
824 const char *p;
825 USBDevice *dev = NULL;
826
827 if (!usb_enabled)
828 return -1;
829
830 /* drivers with .usbdevice_name entry in USBDeviceInfo */
831 dev = usbdevice_create(devname);
832 if (dev)
833 goto done;
834
835 /* the other ones */
836 if (strstart(devname, "host:", &p)) {
837 dev = usb_host_device_open(p);
838 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
839 dev = usb_bt_init(devname[2] ? hci_init(p) :
840 bt_new_hci(qemu_find_bt_vlan(0)));
841 } else {
842 return -1;
843 }
844 if (!dev)
845 return -1;
846
847 done:
848 return 0;
849 }
850
851 static int usb_device_del(const char *devname)
852 {
853 int bus_num, addr;
854 const char *p;
855
856 if (strstart(devname, "host:", &p))
857 return usb_host_device_close(p);
858
859 if (!usb_enabled)
860 return -1;
861
862 p = strchr(devname, '.');
863 if (!p)
864 return -1;
865 bus_num = strtoul(devname, NULL, 0);
866 addr = strtoul(p + 1, NULL, 0);
867
868 return usb_device_delete_addr(bus_num, addr);
869 }
870
871 static int usb_parse(const char *cmdline)
872 {
873 int r;
874 r = usb_device_add(cmdline);
875 if (r < 0) {
876 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
877 }
878 return r;
879 }
880
881 void do_usb_add(Monitor *mon, const QDict *qdict)
882 {
883 const char *devname = qdict_get_str(qdict, "devname");
884 if (usb_device_add(devname) < 0) {
885 error_report("could not add USB device '%s'", devname);
886 }
887 }
888
889 void do_usb_del(Monitor *mon, const QDict *qdict)
890 {
891 const char *devname = qdict_get_str(qdict, "devname");
892 if (usb_device_del(devname) < 0) {
893 error_report("could not delete USB device '%s'", devname);
894 }
895 }
896
897 /***********************************************************/
898 /* PCMCIA/Cardbus */
899
900 static struct pcmcia_socket_entry_s {
901 PCMCIASocket *socket;
902 struct pcmcia_socket_entry_s *next;
903 } *pcmcia_sockets = 0;
904
905 void pcmcia_socket_register(PCMCIASocket *socket)
906 {
907 struct pcmcia_socket_entry_s *entry;
908
909 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
910 entry->socket = socket;
911 entry->next = pcmcia_sockets;
912 pcmcia_sockets = entry;
913 }
914
915 void pcmcia_socket_unregister(PCMCIASocket *socket)
916 {
917 struct pcmcia_socket_entry_s *entry, **ptr;
918
919 ptr = &pcmcia_sockets;
920 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
921 if (entry->socket == socket) {
922 *ptr = entry->next;
923 qemu_free(entry);
924 }
925 }
926
927 void pcmcia_info(Monitor *mon)
928 {
929 struct pcmcia_socket_entry_s *iter;
930
931 if (!pcmcia_sockets)
932 monitor_printf(mon, "No PCMCIA sockets\n");
933
934 for (iter = pcmcia_sockets; iter; iter = iter->next)
935 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
936 iter->socket->attached ? iter->socket->card_string :
937 "Empty");
938 }
939
940 /***********************************************************/
941 /* I/O handling */
942
943 typedef struct IOHandlerRecord {
944 int fd;
945 IOCanReadHandler *fd_read_poll;
946 IOHandler *fd_read;
947 IOHandler *fd_write;
948 int deleted;
949 void *opaque;
950 /* temporary data */
951 struct pollfd *ufd;
952 QLIST_ENTRY(IOHandlerRecord) next;
953 } IOHandlerRecord;
954
955 static QLIST_HEAD(, IOHandlerRecord) io_handlers =
956 QLIST_HEAD_INITIALIZER(io_handlers);
957
958
959 /* XXX: fd_read_poll should be suppressed, but an API change is
960 necessary in the character devices to suppress fd_can_read(). */
961 int qemu_set_fd_handler2(int fd,
962 IOCanReadHandler *fd_read_poll,
963 IOHandler *fd_read,
964 IOHandler *fd_write,
965 void *opaque)
966 {
967 IOHandlerRecord *ioh;
968
969 if (!fd_read && !fd_write) {
970 QLIST_FOREACH(ioh, &io_handlers, next) {
971 if (ioh->fd == fd) {
972 ioh->deleted = 1;
973 break;
974 }
975 }
976 } else {
977 QLIST_FOREACH(ioh, &io_handlers, next) {
978 if (ioh->fd == fd)
979 goto found;
980 }
981 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
982 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
983 found:
984 ioh->fd = fd;
985 ioh->fd_read_poll = fd_read_poll;
986 ioh->fd_read = fd_read;
987 ioh->fd_write = fd_write;
988 ioh->opaque = opaque;
989 ioh->deleted = 0;
990 }
991 return 0;
992 }
993
994 int qemu_set_fd_handler(int fd,
995 IOHandler *fd_read,
996 IOHandler *fd_write,
997 void *opaque)
998 {
999 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
1000 }
1001
1002 /***********************************************************/
1003 /* machine registration */
1004
1005 static QEMUMachine *first_machine = NULL;
1006 QEMUMachine *current_machine = NULL;
1007
1008 int qemu_register_machine(QEMUMachine *m)
1009 {
1010 QEMUMachine **pm;
1011 pm = &first_machine;
1012 while (*pm != NULL)
1013 pm = &(*pm)->next;
1014 m->next = NULL;
1015 *pm = m;
1016 return 0;
1017 }
1018
1019 static QEMUMachine *find_machine(const char *name)
1020 {
1021 QEMUMachine *m;
1022
1023 for(m = first_machine; m != NULL; m = m->next) {
1024 if (!strcmp(m->name, name))
1025 return m;
1026 if (m->alias && !strcmp(m->alias, name))
1027 return m;
1028 }
1029 return NULL;
1030 }
1031
1032 static QEMUMachine *find_default_machine(void)
1033 {
1034 QEMUMachine *m;
1035
1036 for(m = first_machine; m != NULL; m = m->next) {
1037 if (m->is_default) {
1038 return m;
1039 }
1040 }
1041 return NULL;
1042 }
1043
1044 /***********************************************************/
1045 /* main execution loop */
1046
1047 static void gui_update(void *opaque)
1048 {
1049 uint64_t interval = GUI_REFRESH_INTERVAL;
1050 DisplayState *ds = opaque;
1051 DisplayChangeListener *dcl = ds->listeners;
1052
1053 qemu_flush_coalesced_mmio_buffer();
1054 dpy_refresh(ds);
1055
1056 while (dcl != NULL) {
1057 if (dcl->gui_timer_interval &&
1058 dcl->gui_timer_interval < interval)
1059 interval = dcl->gui_timer_interval;
1060 dcl = dcl->next;
1061 }
1062 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1063 }
1064
1065 static void nographic_update(void *opaque)
1066 {
1067 uint64_t interval = GUI_REFRESH_INTERVAL;
1068
1069 qemu_flush_coalesced_mmio_buffer();
1070 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1071 }
1072
1073 struct vm_change_state_entry {
1074 VMChangeStateHandler *cb;
1075 void *opaque;
1076 QLIST_ENTRY (vm_change_state_entry) entries;
1077 };
1078
1079 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1080
1081 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1082 void *opaque)
1083 {
1084 VMChangeStateEntry *e;
1085
1086 e = qemu_mallocz(sizeof (*e));
1087
1088 e->cb = cb;
1089 e->opaque = opaque;
1090 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1091 return e;
1092 }
1093
1094 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1095 {
1096 QLIST_REMOVE (e, entries);
1097 qemu_free (e);
1098 }
1099
1100 void vm_state_notify(int running, int reason)
1101 {
1102 VMChangeStateEntry *e;
1103
1104 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1105 e->cb(e->opaque, running, reason);
1106 }
1107 }
1108
1109 void vm_start(void)
1110 {
1111 if (!vm_running) {
1112 cpu_enable_ticks();
1113 vm_running = 1;
1114 vm_state_notify(1, 0);
1115 resume_all_vcpus();
1116 monitor_protocol_event(QEVENT_RESUME, NULL);
1117 }
1118 }
1119
1120 /* reset/shutdown handler */
1121
1122 typedef struct QEMUResetEntry {
1123 QTAILQ_ENTRY(QEMUResetEntry) entry;
1124 QEMUResetHandler *func;
1125 void *opaque;
1126 } QEMUResetEntry;
1127
1128 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1129 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1130 static int reset_requested;
1131 static int shutdown_requested;
1132 static int powerdown_requested;
1133 int debug_requested;
1134 int vmstop_requested;
1135
1136 int qemu_shutdown_requested(void)
1137 {
1138 int r = shutdown_requested;
1139 shutdown_requested = 0;
1140 return r;
1141 }
1142
1143 int qemu_reset_requested(void)
1144 {
1145 int r = reset_requested;
1146 reset_requested = 0;
1147 return r;
1148 }
1149
1150 int qemu_powerdown_requested(void)
1151 {
1152 int r = powerdown_requested;
1153 powerdown_requested = 0;
1154 return r;
1155 }
1156
1157 static int qemu_debug_requested(void)
1158 {
1159 int r = debug_requested;
1160 debug_requested = 0;
1161 return r;
1162 }
1163
1164 static int qemu_vmstop_requested(void)
1165 {
1166 int r = vmstop_requested;
1167 vmstop_requested = 0;
1168 return r;
1169 }
1170
1171 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1172 {
1173 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1174
1175 re->func = func;
1176 re->opaque = opaque;
1177 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1178 }
1179
1180 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1181 {
1182 QEMUResetEntry *re;
1183
1184 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1185 if (re->func == func && re->opaque == opaque) {
1186 QTAILQ_REMOVE(&reset_handlers, re, entry);
1187 qemu_free(re);
1188 return;
1189 }
1190 }
1191 }
1192
1193 void qemu_system_reset(void)
1194 {
1195 QEMUResetEntry *re, *nre;
1196
1197 /* reset all devices */
1198 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1199 re->func(re->opaque);
1200 }
1201 monitor_protocol_event(QEVENT_RESET, NULL);
1202 cpu_synchronize_all_post_reset();
1203 }
1204
1205 void qemu_system_reset_request(void)
1206 {
1207 if (no_reboot) {
1208 shutdown_requested = 1;
1209 } else {
1210 reset_requested = 1;
1211 }
1212 qemu_notify_event();
1213 }
1214
1215 void qemu_system_shutdown_request(void)
1216 {
1217 shutdown_requested = 1;
1218 qemu_notify_event();
1219 }
1220
1221 void qemu_system_powerdown_request(void)
1222 {
1223 powerdown_requested = 1;
1224 qemu_notify_event();
1225 }
1226
1227 void main_loop_wait(int nonblocking)
1228 {
1229 IOHandlerRecord *ioh;
1230 fd_set rfds, wfds, xfds;
1231 int ret, nfds;
1232 struct timeval tv;
1233 int timeout;
1234
1235 if (nonblocking)
1236 timeout = 0;
1237 else {
1238 timeout = qemu_calculate_timeout();
1239 qemu_bh_update_timeout(&timeout);
1240 }
1241
1242 os_host_main_loop_wait(&timeout);
1243
1244 /* poll any events */
1245 /* XXX: separate device handlers from system ones */
1246 nfds = -1;
1247 FD_ZERO(&rfds);
1248 FD_ZERO(&wfds);
1249 FD_ZERO(&xfds);
1250 QLIST_FOREACH(ioh, &io_handlers, next) {
1251 if (ioh->deleted)
1252 continue;
1253 if (ioh->fd_read &&
1254 (!ioh->fd_read_poll ||
1255 ioh->fd_read_poll(ioh->opaque) != 0)) {
1256 FD_SET(ioh->fd, &rfds);
1257 if (ioh->fd > nfds)
1258 nfds = ioh->fd;
1259 }
1260 if (ioh->fd_write) {
1261 FD_SET(ioh->fd, &wfds);
1262 if (ioh->fd > nfds)
1263 nfds = ioh->fd;
1264 }
1265 }
1266
1267 tv.tv_sec = timeout / 1000;
1268 tv.tv_usec = (timeout % 1000) * 1000;
1269
1270 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1271
1272 qemu_mutex_unlock_iothread();
1273 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1274 qemu_mutex_lock_iothread();
1275 if (ret > 0) {
1276 IOHandlerRecord *pioh;
1277
1278 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1279 if (ioh->deleted) {
1280 QLIST_REMOVE(ioh, next);
1281 qemu_free(ioh);
1282 continue;
1283 }
1284 if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1285 ioh->fd_read(ioh->opaque);
1286 }
1287 if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1288 ioh->fd_write(ioh->opaque);
1289 }
1290 }
1291 }
1292
1293 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1294
1295 qemu_run_all_timers();
1296
1297 /* Check bottom-halves last in case any of the earlier events triggered
1298 them. */
1299 qemu_bh_poll();
1300
1301 }
1302
1303 static int vm_can_run(void)
1304 {
1305 if (powerdown_requested)
1306 return 0;
1307 if (reset_requested)
1308 return 0;
1309 if (shutdown_requested)
1310 return 0;
1311 if (debug_requested)
1312 return 0;
1313 return 1;
1314 }
1315
1316 qemu_irq qemu_system_powerdown;
1317
1318 static void main_loop(void)
1319 {
1320 int r;
1321
1322 qemu_main_loop_start();
1323
1324 for (;;) {
1325 do {
1326 bool nonblocking = false;
1327 #ifdef CONFIG_PROFILER
1328 int64_t ti;
1329 #endif
1330 #ifndef CONFIG_IOTHREAD
1331 nonblocking = cpu_exec_all();
1332 #endif
1333 #ifdef CONFIG_PROFILER
1334 ti = profile_getclock();
1335 #endif
1336 main_loop_wait(nonblocking);
1337 #ifdef CONFIG_PROFILER
1338 dev_time += profile_getclock() - ti;
1339 #endif
1340 } while (vm_can_run());
1341
1342 if ((r = qemu_debug_requested())) {
1343 vm_stop(r);
1344 }
1345 if (qemu_shutdown_requested()) {
1346 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1347 if (no_shutdown) {
1348 vm_stop(0);
1349 no_shutdown = 0;
1350 } else
1351 break;
1352 }
1353 if (qemu_reset_requested()) {
1354 pause_all_vcpus();
1355 qemu_system_reset();
1356 resume_all_vcpus();
1357 }
1358 if (qemu_powerdown_requested()) {
1359 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1360 qemu_irq_raise(qemu_system_powerdown);
1361 }
1362 if ((r = qemu_vmstop_requested())) {
1363 vm_stop(r);
1364 }
1365 }
1366 bdrv_close_all();
1367 pause_all_vcpus();
1368 }
1369
1370 static void version(void)
1371 {
1372 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1373 }
1374
1375 static void help(int exitcode)
1376 {
1377 const char *options_help =
1378 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1379 opt_help
1380 #define DEFHEADING(text) stringify(text) "\n"
1381 #include "qemu-options.def"
1382 #undef DEF
1383 #undef DEFHEADING
1384 #undef GEN_DOCS
1385 ;
1386 version();
1387 printf("usage: %s [options] [disk_image]\n"
1388 "\n"
1389 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1390 "\n"
1391 "%s\n"
1392 "During emulation, the following keys are useful:\n"
1393 "ctrl-alt-f toggle full screen\n"
1394 "ctrl-alt-n switch to virtual console 'n'\n"
1395 "ctrl-alt toggle mouse and keyboard grab\n"
1396 "\n"
1397 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1398 "qemu",
1399 options_help);
1400 exit(exitcode);
1401 }
1402
1403 #define HAS_ARG 0x0001
1404
1405 typedef struct QEMUOption {
1406 const char *name;
1407 int flags;
1408 int index;
1409 uint32_t arch_mask;
1410 } QEMUOption;
1411
1412 static const QEMUOption qemu_options[] = {
1413 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1414 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1415 { option, opt_arg, opt_enum, arch_mask },
1416 #define DEFHEADING(text)
1417 #include "qemu-options.def"
1418 #undef DEF
1419 #undef DEFHEADING
1420 #undef GEN_DOCS
1421 { NULL },
1422 };
1423 static void select_vgahw (const char *p)
1424 {
1425 const char *opts;
1426
1427 default_vga = 0;
1428 vga_interface_type = VGA_NONE;
1429 if (strstart(p, "std", &opts)) {
1430 vga_interface_type = VGA_STD;
1431 } else if (strstart(p, "cirrus", &opts)) {
1432 vga_interface_type = VGA_CIRRUS;
1433 } else if (strstart(p, "vmware", &opts)) {
1434 vga_interface_type = VGA_VMWARE;
1435 } else if (strstart(p, "xenfb", &opts)) {
1436 vga_interface_type = VGA_XENFB;
1437 } else if (!strstart(p, "none", &opts)) {
1438 invalid_vga:
1439 fprintf(stderr, "Unknown vga type: %s\n", p);
1440 exit(1);
1441 }
1442 while (*opts) {
1443 const char *nextopt;
1444
1445 if (strstart(opts, ",retrace=", &nextopt)) {
1446 opts = nextopt;
1447 if (strstart(opts, "dumb", &nextopt))
1448 vga_retrace_method = VGA_RETRACE_DUMB;
1449 else if (strstart(opts, "precise", &nextopt))
1450 vga_retrace_method = VGA_RETRACE_PRECISE;
1451 else goto invalid_vga;
1452 } else goto invalid_vga;
1453 opts = nextopt;
1454 }
1455 }
1456
1457 static int balloon_parse(const char *arg)
1458 {
1459 QemuOpts *opts;
1460
1461 if (strcmp(arg, "none") == 0) {
1462 return 0;
1463 }
1464
1465 if (!strncmp(arg, "virtio", 6)) {
1466 if (arg[6] == ',') {
1467 /* have params -> parse them */
1468 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1469 if (!opts)
1470 return -1;
1471 } else {
1472 /* create empty opts */
1473 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1474 }
1475 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1476 return 0;
1477 }
1478
1479 return -1;
1480 }
1481
1482 char *qemu_find_file(int type, const char *name)
1483 {
1484 int len;
1485 const char *subdir;
1486 char *buf;
1487
1488 /* If name contains path separators then try it as a straight path. */
1489 if ((strchr(name, '/') || strchr(name, '\\'))
1490 && access(name, R_OK) == 0) {
1491 return qemu_strdup(name);
1492 }
1493 switch (type) {
1494 case QEMU_FILE_TYPE_BIOS:
1495 subdir = "";
1496 break;
1497 case QEMU_FILE_TYPE_KEYMAP:
1498 subdir = "keymaps/";
1499 break;
1500 default:
1501 abort();
1502 }
1503 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1504 buf = qemu_mallocz(len);
1505 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1506 if (access(buf, R_OK)) {
1507 qemu_free(buf);
1508 return NULL;
1509 }
1510 return buf;
1511 }
1512
1513 static int device_help_func(QemuOpts *opts, void *opaque)
1514 {
1515 return qdev_device_help(opts);
1516 }
1517
1518 static int device_init_func(QemuOpts *opts, void *opaque)
1519 {
1520 DeviceState *dev;
1521
1522 dev = qdev_device_add(opts);
1523 if (!dev)
1524 return -1;
1525 return 0;
1526 }
1527
1528 static int chardev_init_func(QemuOpts *opts, void *opaque)
1529 {
1530 CharDriverState *chr;
1531
1532 chr = qemu_chr_open_opts(opts, NULL);
1533 if (!chr)
1534 return -1;
1535 return 0;
1536 }
1537
1538 #ifdef CONFIG_VIRTFS
1539 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1540 {
1541 int ret;
1542 ret = qemu_fsdev_add(opts);
1543
1544 return ret;
1545 }
1546 #endif
1547
1548 static int mon_init_func(QemuOpts *opts, void *opaque)
1549 {
1550 CharDriverState *chr;
1551 const char *chardev;
1552 const char *mode;
1553 int flags;
1554
1555 mode = qemu_opt_get(opts, "mode");
1556 if (mode == NULL) {
1557 mode = "readline";
1558 }
1559 if (strcmp(mode, "readline") == 0) {
1560 flags = MONITOR_USE_READLINE;
1561 } else if (strcmp(mode, "control") == 0) {
1562 flags = MONITOR_USE_CONTROL;
1563 } else {
1564 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1565 exit(1);
1566 }
1567
1568 if (qemu_opt_get_bool(opts, "pretty", 0))
1569 flags |= MONITOR_USE_PRETTY;
1570
1571 if (qemu_opt_get_bool(opts, "default", 0))
1572 flags |= MONITOR_IS_DEFAULT;
1573
1574 chardev = qemu_opt_get(opts, "chardev");
1575 chr = qemu_chr_find(chardev);
1576 if (chr == NULL) {
1577 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1578 exit(1);
1579 }
1580
1581 monitor_init(chr, flags);
1582 return 0;
1583 }
1584
1585 static void monitor_parse(const char *optarg, const char *mode)
1586 {
1587 static int monitor_device_index = 0;
1588 QemuOpts *opts;
1589 const char *p;
1590 char label[32];
1591 int def = 0;
1592
1593 if (strstart(optarg, "chardev:", &p)) {
1594 snprintf(label, sizeof(label), "%s", p);
1595 } else {
1596 snprintf(label, sizeof(label), "compat_monitor%d",
1597 monitor_device_index);
1598 if (monitor_device_index == 0) {
1599 def = 1;
1600 }
1601 opts = qemu_chr_parse_compat(label, optarg);
1602 if (!opts) {
1603 fprintf(stderr, "parse error: %s\n", optarg);
1604 exit(1);
1605 }
1606 }
1607
1608 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1609 if (!opts) {
1610 fprintf(stderr, "duplicate chardev: %s\n", label);
1611 exit(1);
1612 }
1613 qemu_opt_set(opts, "mode", mode);
1614 qemu_opt_set(opts, "chardev", label);
1615 if (def)
1616 qemu_opt_set(opts, "default", "on");
1617 monitor_device_index++;
1618 }
1619
1620 struct device_config {
1621 enum {
1622 DEV_USB, /* -usbdevice */
1623 DEV_BT, /* -bt */
1624 DEV_SERIAL, /* -serial */
1625 DEV_PARALLEL, /* -parallel */
1626 DEV_VIRTCON, /* -virtioconsole */
1627 DEV_DEBUGCON, /* -debugcon */
1628 } type;
1629 const char *cmdline;
1630 QTAILQ_ENTRY(device_config) next;
1631 };
1632 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1633
1634 static void add_device_config(int type, const char *cmdline)
1635 {
1636 struct device_config *conf;
1637
1638 conf = qemu_mallocz(sizeof(*conf));
1639 conf->type = type;
1640 conf->cmdline = cmdline;
1641 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1642 }
1643
1644 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1645 {
1646 struct device_config *conf;
1647 int rc;
1648
1649 QTAILQ_FOREACH(conf, &device_configs, next) {
1650 if (conf->type != type)
1651 continue;
1652 rc = func(conf->cmdline);
1653 if (0 != rc)
1654 return rc;
1655 }
1656 return 0;
1657 }
1658
1659 static int serial_parse(const char *devname)
1660 {
1661 static int index = 0;
1662 char label[32];
1663
1664 if (strcmp(devname, "none") == 0)
1665 return 0;
1666 if (index == MAX_SERIAL_PORTS) {
1667 fprintf(stderr, "qemu: too many serial ports\n");
1668 exit(1);
1669 }
1670 snprintf(label, sizeof(label), "serial%d", index);
1671 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1672 if (!serial_hds[index]) {
1673 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1674 devname, strerror(errno));
1675 return -1;
1676 }
1677 index++;
1678 return 0;
1679 }
1680
1681 static int parallel_parse(const char *devname)
1682 {
1683 static int index = 0;
1684 char label[32];
1685
1686 if (strcmp(devname, "none") == 0)
1687 return 0;
1688 if (index == MAX_PARALLEL_PORTS) {
1689 fprintf(stderr, "qemu: too many parallel ports\n");
1690 exit(1);
1691 }
1692 snprintf(label, sizeof(label), "parallel%d", index);
1693 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1694 if (!parallel_hds[index]) {
1695 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1696 devname, strerror(errno));
1697 return -1;
1698 }
1699 index++;
1700 return 0;
1701 }
1702
1703 static int virtcon_parse(const char *devname)
1704 {
1705 QemuOptsList *device = qemu_find_opts("device");
1706 static int index = 0;
1707 char label[32];
1708 QemuOpts *bus_opts, *dev_opts;
1709
1710 if (strcmp(devname, "none") == 0)
1711 return 0;
1712 if (index == MAX_VIRTIO_CONSOLES) {
1713 fprintf(stderr, "qemu: too many virtio consoles\n");
1714 exit(1);
1715 }
1716
1717 bus_opts = qemu_opts_create(device, NULL, 0);
1718 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1719
1720 dev_opts = qemu_opts_create(device, NULL, 0);
1721 qemu_opt_set(dev_opts, "driver", "virtconsole");
1722
1723 snprintf(label, sizeof(label), "virtcon%d", index);
1724 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1725 if (!virtcon_hds[index]) {
1726 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1727 devname, strerror(errno));
1728 return -1;
1729 }
1730 qemu_opt_set(dev_opts, "chardev", label);
1731
1732 index++;
1733 return 0;
1734 }
1735
1736 static int debugcon_parse(const char *devname)
1737 {
1738 QemuOpts *opts;
1739
1740 if (!qemu_chr_open("debugcon", devname, NULL)) {
1741 exit(1);
1742 }
1743 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1744 if (!opts) {
1745 fprintf(stderr, "qemu: already have a debugcon device\n");
1746 exit(1);
1747 }
1748 qemu_opt_set(opts, "driver", "isa-debugcon");
1749 qemu_opt_set(opts, "chardev", "debugcon");
1750 return 0;
1751 }
1752
1753 void qemu_add_exit_notifier(Notifier *notify)
1754 {
1755 notifier_list_add(&exit_notifiers, notify);
1756 }
1757
1758 void qemu_remove_exit_notifier(Notifier *notify)
1759 {
1760 notifier_list_remove(&exit_notifiers, notify);
1761 }
1762
1763 static void qemu_run_exit_notifiers(void)
1764 {
1765 notifier_list_notify(&exit_notifiers);
1766 }
1767
1768 static const QEMUOption *lookup_opt(int argc, char **argv,
1769 const char **poptarg, int *poptind)
1770 {
1771 const QEMUOption *popt;
1772 int optind = *poptind;
1773 char *r = argv[optind];
1774 const char *optarg;
1775
1776 loc_set_cmdline(argv, optind, 1);
1777 optind++;
1778 /* Treat --foo the same as -foo. */
1779 if (r[1] == '-')
1780 r++;
1781 popt = qemu_options;
1782 for(;;) {
1783 if (!popt->name) {
1784 error_report("invalid option");
1785 exit(1);
1786 }
1787 if (!strcmp(popt->name, r + 1))
1788 break;
1789 popt++;
1790 }
1791 if (popt->flags & HAS_ARG) {
1792 if (optind >= argc) {
1793 error_report("requires an argument");
1794 exit(1);
1795 }
1796 optarg = argv[optind++];
1797 loc_set_cmdline(argv, optind - 2, 2);
1798 } else {
1799 optarg = NULL;
1800 }
1801
1802 *poptarg = optarg;
1803 *poptind = optind;
1804
1805 return popt;
1806 }
1807
1808 int main(int argc, char **argv, char **envp)
1809 {
1810 const char *gdbstub_dev = NULL;
1811 int i;
1812 int snapshot, linux_boot;
1813 const char *icount_option = NULL;
1814 const char *initrd_filename;
1815 const char *kernel_filename, *kernel_cmdline;
1816 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1817 DisplayState *ds;
1818 DisplayChangeListener *dcl;
1819 int cyls, heads, secs, translation;
1820 QemuOpts *hda_opts = NULL, *opts;
1821 QemuOptsList *olist;
1822 int optind;
1823 const char *optarg;
1824 const char *loadvm = NULL;
1825 QEMUMachine *machine;
1826 const char *cpu_model;
1827 int tb_size;
1828 const char *pid_file = NULL;
1829 const char *incoming = NULL;
1830 int show_vnc_port = 0;
1831 int defconfig = 1;
1832
1833 #ifdef CONFIG_SIMPLE_TRACE
1834 const char *trace_file = NULL;
1835 #endif
1836 atexit(qemu_run_exit_notifiers);
1837 error_set_progname(argv[0]);
1838
1839 init_clocks();
1840
1841 qemu_cache_utils_init(envp);
1842
1843 QLIST_INIT (&vm_change_state_head);
1844 os_setup_early_signal_handling();
1845
1846 module_call_init(MODULE_INIT_MACHINE);
1847 machine = find_default_machine();
1848 cpu_model = NULL;
1849 initrd_filename = NULL;
1850 ram_size = 0;
1851 snapshot = 0;
1852 kernel_filename = NULL;
1853 kernel_cmdline = "";
1854 cyls = heads = secs = 0;
1855 translation = BIOS_ATA_TRANSLATION_AUTO;
1856
1857 for (i = 0; i < MAX_NODES; i++) {
1858 node_mem[i] = 0;
1859 node_cpumask[i] = 0;
1860 }
1861
1862 nb_numa_nodes = 0;
1863 nb_nics = 0;
1864
1865 tb_size = 0;
1866 autostart= 1;
1867
1868 /* first pass of option parsing */
1869 optind = 1;
1870 while (optind < argc) {
1871 if (argv[optind][0] != '-') {
1872 /* disk image */
1873 optind++;
1874 continue;
1875 } else {
1876 const QEMUOption *popt;
1877
1878 popt = lookup_opt(argc, argv, &optarg, &optind);
1879 switch (popt->index) {
1880 case QEMU_OPTION_nodefconfig:
1881 defconfig=0;
1882 break;
1883 }
1884 }
1885 }
1886
1887 if (defconfig) {
1888 int ret;
1889
1890 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
1891 if (ret < 0 && ret != -ENOENT) {
1892 exit(1);
1893 }
1894
1895 ret = qemu_read_config_file(arch_config_name);
1896 if (ret < 0 && ret != -ENOENT) {
1897 exit(1);
1898 }
1899 }
1900 cpudef_init();
1901
1902 /* second pass of option parsing */
1903 optind = 1;
1904 for(;;) {
1905 if (optind >= argc)
1906 break;
1907 if (argv[optind][0] != '-') {
1908 hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
1909 } else {
1910 const QEMUOption *popt;
1911
1912 popt = lookup_opt(argc, argv, &optarg, &optind);
1913 if (!(popt->arch_mask & arch_type)) {
1914 printf("Option %s not supported for this target\n", popt->name);
1915 exit(1);
1916 }
1917 switch(popt->index) {
1918 case QEMU_OPTION_M:
1919 machine = find_machine(optarg);
1920 if (!machine) {
1921 QEMUMachine *m;
1922 printf("Supported machines are:\n");
1923 for(m = first_machine; m != NULL; m = m->next) {
1924 if (m->alias)
1925 printf("%-10s %s (alias of %s)\n",
1926 m->alias, m->desc, m->name);
1927 printf("%-10s %s%s\n",
1928 m->name, m->desc,
1929 m->is_default ? " (default)" : "");
1930 }
1931 exit(*optarg != '?');
1932 }
1933 break;
1934 case QEMU_OPTION_cpu:
1935 /* hw initialization will check this */
1936 if (*optarg == '?') {
1937 list_cpus(stdout, &fprintf, optarg);
1938 exit(0);
1939 } else {
1940 cpu_model = optarg;
1941 }
1942 break;
1943 case QEMU_OPTION_initrd:
1944 initrd_filename = optarg;
1945 break;
1946 case QEMU_OPTION_hda:
1947 if (cyls == 0)
1948 hda_opts = drive_add(optarg, HD_ALIAS, 0);
1949 else
1950 hda_opts = drive_add(optarg, HD_ALIAS
1951 ",cyls=%d,heads=%d,secs=%d%s",
1952 0, cyls, heads, secs,
1953 translation == BIOS_ATA_TRANSLATION_LBA ?
1954 ",trans=lba" :
1955 translation == BIOS_ATA_TRANSLATION_NONE ?
1956 ",trans=none" : "");
1957 break;
1958 case QEMU_OPTION_hdb:
1959 case QEMU_OPTION_hdc:
1960 case QEMU_OPTION_hdd:
1961 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
1962 break;
1963 case QEMU_OPTION_drive:
1964 drive_add(NULL, "%s", optarg);
1965 break;
1966 case QEMU_OPTION_set:
1967 if (qemu_set_option(optarg) != 0)
1968 exit(1);
1969 break;
1970 case QEMU_OPTION_global:
1971 if (qemu_global_option(optarg) != 0)
1972 exit(1);
1973 break;
1974 case QEMU_OPTION_mtdblock:
1975 drive_add(optarg, MTD_ALIAS);
1976 break;
1977 case QEMU_OPTION_sd:
1978 drive_add(optarg, SD_ALIAS);
1979 break;
1980 case QEMU_OPTION_pflash:
1981 drive_add(optarg, PFLASH_ALIAS);
1982 break;
1983 case QEMU_OPTION_snapshot:
1984 snapshot = 1;
1985 break;
1986 case QEMU_OPTION_hdachs:
1987 {
1988 const char *p;
1989 p = optarg;
1990 cyls = strtol(p, (char **)&p, 0);
1991 if (cyls < 1 || cyls > 16383)
1992 goto chs_fail;
1993 if (*p != ',')
1994 goto chs_fail;
1995 p++;
1996 heads = strtol(p, (char **)&p, 0);
1997 if (heads < 1 || heads > 16)
1998 goto chs_fail;
1999 if (*p != ',')
2000 goto chs_fail;
2001 p++;
2002 secs = strtol(p, (char **)&p, 0);
2003 if (secs < 1 || secs > 63)
2004 goto chs_fail;
2005 if (*p == ',') {
2006 p++;
2007 if (!strcmp(p, "none"))
2008 translation = BIOS_ATA_TRANSLATION_NONE;
2009 else if (!strcmp(p, "lba"))
2010 translation = BIOS_ATA_TRANSLATION_LBA;
2011 else if (!strcmp(p, "auto"))
2012 translation = BIOS_ATA_TRANSLATION_AUTO;
2013 else
2014 goto chs_fail;
2015 } else if (*p != '\0') {
2016 chs_fail:
2017 fprintf(stderr, "qemu: invalid physical CHS format\n");
2018 exit(1);
2019 }
2020 if (hda_opts != NULL) {
2021 char num[16];
2022 snprintf(num, sizeof(num), "%d", cyls);
2023 qemu_opt_set(hda_opts, "cyls", num);
2024 snprintf(num, sizeof(num), "%d", heads);
2025 qemu_opt_set(hda_opts, "heads", num);
2026 snprintf(num, sizeof(num), "%d", secs);
2027 qemu_opt_set(hda_opts, "secs", num);
2028 if (translation == BIOS_ATA_TRANSLATION_LBA)
2029 qemu_opt_set(hda_opts, "trans", "lba");
2030 if (translation == BIOS_ATA_TRANSLATION_NONE)
2031 qemu_opt_set(hda_opts, "trans", "none");
2032 }
2033 }
2034 break;
2035 case QEMU_OPTION_numa:
2036 if (nb_numa_nodes >= MAX_NODES) {
2037 fprintf(stderr, "qemu: too many NUMA nodes\n");
2038 exit(1);
2039 }
2040 numa_add(optarg);
2041 break;
2042 case QEMU_OPTION_nographic:
2043 display_type = DT_NOGRAPHIC;
2044 break;
2045 #ifdef CONFIG_CURSES
2046 case QEMU_OPTION_curses:
2047 display_type = DT_CURSES;
2048 break;
2049 #endif
2050 case QEMU_OPTION_portrait:
2051 graphic_rotate = 1;
2052 break;
2053 case QEMU_OPTION_kernel:
2054 kernel_filename = optarg;
2055 break;
2056 case QEMU_OPTION_append:
2057 kernel_cmdline = optarg;
2058 break;
2059 case QEMU_OPTION_cdrom:
2060 drive_add(optarg, CDROM_ALIAS);
2061 break;
2062 case QEMU_OPTION_boot:
2063 {
2064 static const char * const params[] = {
2065 "order", "once", "menu", NULL
2066 };
2067 char buf[sizeof(boot_devices)];
2068 char *standard_boot_devices;
2069 int legacy = 0;
2070
2071 if (!strchr(optarg, '=')) {
2072 legacy = 1;
2073 pstrcpy(buf, sizeof(buf), optarg);
2074 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2075 fprintf(stderr,
2076 "qemu: unknown boot parameter '%s' in '%s'\n",
2077 buf, optarg);
2078 exit(1);
2079 }
2080
2081 if (legacy ||
2082 get_param_value(buf, sizeof(buf), "order", optarg)) {
2083 validate_bootdevices(buf);
2084 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2085 }
2086 if (!legacy) {
2087 if (get_param_value(buf, sizeof(buf),
2088 "once", optarg)) {
2089 validate_bootdevices(buf);
2090 standard_boot_devices = qemu_strdup(boot_devices);
2091 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2092 qemu_register_reset(restore_boot_devices,
2093 standard_boot_devices);
2094 }
2095 if (get_param_value(buf, sizeof(buf),
2096 "menu", optarg)) {
2097 if (!strcmp(buf, "on")) {
2098 boot_menu = 1;
2099 } else if (!strcmp(buf, "off")) {
2100 boot_menu = 0;
2101 } else {
2102 fprintf(stderr,
2103 "qemu: invalid option value '%s'\n",
2104 buf);
2105 exit(1);
2106 }
2107 }
2108 }
2109 }
2110 break;
2111 case QEMU_OPTION_fda:
2112 case QEMU_OPTION_fdb:
2113 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
2114 break;
2115 case QEMU_OPTION_no_fd_bootchk:
2116 fd_bootchk = 0;
2117 break;
2118 case QEMU_OPTION_netdev:
2119 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2120 exit(1);
2121 }
2122 break;
2123 case QEMU_OPTION_net:
2124 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2125 exit(1);
2126 }
2127 break;
2128 #ifdef CONFIG_SLIRP
2129 case QEMU_OPTION_tftp:
2130 legacy_tftp_prefix = optarg;
2131 break;
2132 case QEMU_OPTION_bootp:
2133 legacy_bootp_filename = optarg;
2134 break;
2135 case QEMU_OPTION_redir:
2136 if (net_slirp_redir(optarg) < 0)
2137 exit(1);
2138 break;
2139 #endif
2140 case QEMU_OPTION_bt:
2141 add_device_config(DEV_BT, optarg);
2142 break;
2143 case QEMU_OPTION_audio_help:
2144 if (!(audio_available())) {
2145 printf("Option %s not supported for this target\n", popt->name);
2146 exit(1);
2147 }
2148 AUD_help ();
2149 exit (0);
2150 break;
2151 case QEMU_OPTION_soundhw:
2152 if (!(audio_available())) {
2153 printf("Option %s not supported for this target\n", popt->name);
2154 exit(1);
2155 }
2156 select_soundhw (optarg);
2157 break;
2158 case QEMU_OPTION_h:
2159 help(0);
2160 break;
2161 case QEMU_OPTION_version:
2162 version();
2163 exit(0);
2164 break;
2165 case QEMU_OPTION_m: {
2166 uint64_t value;
2167 char *ptr;
2168
2169 value = strtoul(optarg, &ptr, 10);
2170 switch (*ptr) {
2171 case 0: case 'M': case 'm':
2172 value <<= 20;
2173 break;
2174 case 'G': case 'g':
2175 value <<= 30;
2176 break;
2177 default:
2178 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2179 exit(1);
2180 }
2181
2182 /* On 32-bit hosts, QEMU is limited by virtual address space */
2183 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2184 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2185 exit(1);
2186 }
2187 if (value != (uint64_t)(ram_addr_t)value) {
2188 fprintf(stderr, "qemu: ram size too large\n");
2189 exit(1);
2190 }
2191 ram_size = value;
2192 break;
2193 }
2194 case QEMU_OPTION_mempath:
2195 mem_path = optarg;
2196 break;
2197 #ifdef MAP_POPULATE
2198 case QEMU_OPTION_mem_prealloc:
2199 mem_prealloc = 1;
2200 break;
2201 #endif
2202 case QEMU_OPTION_d:
2203 set_cpu_log(optarg);
2204 break;
2205 case QEMU_OPTION_s:
2206 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2207 break;
2208 case QEMU_OPTION_gdb:
2209 gdbstub_dev = optarg;
2210 break;
2211 case QEMU_OPTION_L:
2212 data_dir = optarg;
2213 break;
2214 case QEMU_OPTION_bios:
2215 bios_name = optarg;
2216 break;
2217 case QEMU_OPTION_singlestep:
2218 singlestep = 1;
2219 break;
2220 case QEMU_OPTION_S:
2221 autostart = 0;
2222 break;
2223 case QEMU_OPTION_k:
2224 keyboard_layout = optarg;
2225 break;
2226 case QEMU_OPTION_localtime:
2227 rtc_utc = 0;
2228 break;
2229 case QEMU_OPTION_vga:
2230 select_vgahw (optarg);
2231 break;
2232 case QEMU_OPTION_g:
2233 {
2234 const char *p;
2235 int w, h, depth;
2236 p = optarg;
2237 w = strtol(p, (char **)&p, 10);
2238 if (w <= 0) {
2239 graphic_error:
2240 fprintf(stderr, "qemu: invalid resolution or depth\n");
2241 exit(1);
2242 }
2243 if (*p != 'x')
2244 goto graphic_error;
2245 p++;
2246 h = strtol(p, (char **)&p, 10);
2247 if (h <= 0)
2248 goto graphic_error;
2249 if (*p == 'x') {
2250 p++;
2251 depth = strtol(p, (char **)&p, 10);
2252 if (depth != 8 && depth != 15 && depth != 16 &&
2253 depth != 24 && depth != 32)
2254 goto graphic_error;
2255 } else if (*p == '\0') {
2256 depth = graphic_depth;
2257 } else {
2258 goto graphic_error;
2259 }
2260
2261 graphic_width = w;
2262 graphic_height = h;
2263 graphic_depth = depth;
2264 }
2265 break;
2266 case QEMU_OPTION_echr:
2267 {
2268 char *r;
2269 term_escape_char = strtol(optarg, &r, 0);
2270 if (r == optarg)
2271 printf("Bad argument to echr\n");
2272 break;
2273 }
2274 case QEMU_OPTION_monitor:
2275 monitor_parse(optarg, "readline");
2276 default_monitor = 0;
2277 break;
2278 case QEMU_OPTION_qmp:
2279 monitor_parse(optarg, "control");
2280 default_monitor = 0;
2281 break;
2282 case QEMU_OPTION_mon:
2283 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2284 if (!opts) {
2285 exit(1);
2286 }
2287 default_monitor = 0;
2288 break;
2289 case QEMU_OPTION_chardev:
2290 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2291 if (!opts) {
2292 exit(1);
2293 }
2294 break;
2295 case QEMU_OPTION_fsdev:
2296 olist = qemu_find_opts("fsdev");
2297 if (!olist) {
2298 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2299 exit(1);
2300 }
2301 opts = qemu_opts_parse(olist, optarg, 1);
2302 if (!opts) {
2303 fprintf(stderr, "parse error: %s\n", optarg);
2304 exit(1);
2305 }
2306 break;
2307 case QEMU_OPTION_virtfs: {
2308 char *arg_fsdev = NULL;
2309 char *arg_9p = NULL;
2310 int len = 0;
2311
2312 olist = qemu_find_opts("virtfs");
2313 if (!olist) {
2314 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2315 exit(1);
2316 }
2317 opts = qemu_opts_parse(olist, optarg, 1);
2318 if (!opts) {
2319 fprintf(stderr, "parse error: %s\n", optarg);
2320 exit(1);
2321 }
2322
2323 if (qemu_opt_get(opts, "fstype") == NULL ||
2324 qemu_opt_get(opts, "mount_tag") == NULL ||
2325 qemu_opt_get(opts, "path") == NULL ||
2326 qemu_opt_get(opts, "security_model") == NULL) {
2327 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2328 "security_model=[mapped|passthrough|none],"
2329 "mnt_tag=tag.\n");
2330 exit(1);
2331 }
2332
2333 len = strlen(",id=,path=,security_model=");
2334 len += strlen(qemu_opt_get(opts, "fstype"));
2335 len += strlen(qemu_opt_get(opts, "mount_tag"));
2336 len += strlen(qemu_opt_get(opts, "path"));
2337 len += strlen(qemu_opt_get(opts, "security_model"));
2338 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2339
2340 snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev),
2341 "%s,id=%s,path=%s,security_model=%s",
2342 qemu_opt_get(opts, "fstype"),
2343 qemu_opt_get(opts, "mount_tag"),
2344 qemu_opt_get(opts, "path"),
2345 qemu_opt_get(opts, "security_model"));
2346
2347 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2348 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2349 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2350
2351 snprintf(arg_9p, (len + 1) * sizeof(*arg_9p),
2352 "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2353 qemu_opt_get(opts, "mount_tag"),
2354 qemu_opt_get(opts, "mount_tag"));
2355
2356 if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
2357 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2358 exit(1);
2359 }
2360
2361 if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
2362 fprintf(stderr, "parse error [device]: %s\n", optarg);
2363 exit(1);
2364 }
2365
2366 qemu_free(arg_fsdev);
2367 qemu_free(arg_9p);
2368 break;
2369 }
2370 case QEMU_OPTION_serial:
2371 add_device_config(DEV_SERIAL, optarg);
2372 default_serial = 0;
2373 if (strncmp(optarg, "mon:", 4) == 0) {
2374 default_monitor = 0;
2375 }
2376 break;
2377 case QEMU_OPTION_watchdog:
2378 if (watchdog) {
2379 fprintf(stderr,
2380 "qemu: only one watchdog option may be given\n");
2381 return 1;
2382 }
2383 watchdog = optarg;
2384 break;
2385 case QEMU_OPTION_watchdog_action:
2386 if (select_watchdog_action(optarg) == -1) {
2387 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2388 exit(1);
2389 }
2390 break;
2391 case QEMU_OPTION_virtiocon:
2392 add_device_config(DEV_VIRTCON, optarg);
2393 default_virtcon = 0;
2394 if (strncmp(optarg, "mon:", 4) == 0) {
2395 default_monitor = 0;
2396 }
2397 break;
2398 case QEMU_OPTION_parallel:
2399 add_device_config(DEV_PARALLEL, optarg);
2400 default_parallel = 0;
2401 if (strncmp(optarg, "mon:", 4) == 0) {
2402 default_monitor = 0;
2403 }
2404 break;
2405 case QEMU_OPTION_debugcon:
2406 add_device_config(DEV_DEBUGCON, optarg);
2407 break;
2408 case QEMU_OPTION_loadvm:
2409 loadvm = optarg;
2410 break;
2411 case QEMU_OPTION_full_screen:
2412 full_screen = 1;
2413 break;
2414 #ifdef CONFIG_SDL
2415 case QEMU_OPTION_no_frame:
2416 no_frame = 1;
2417 break;
2418 case QEMU_OPTION_alt_grab:
2419 alt_grab = 1;
2420 break;
2421 case QEMU_OPTION_ctrl_grab:
2422 ctrl_grab = 1;
2423 break;
2424 case QEMU_OPTION_no_quit:
2425 no_quit = 1;
2426 break;
2427 case QEMU_OPTION_sdl:
2428 display_type = DT_SDL;
2429 break;
2430 #endif
2431 case QEMU_OPTION_pidfile:
2432 pid_file = optarg;
2433 break;
2434 case QEMU_OPTION_win2k_hack:
2435 win2k_install_hack = 1;
2436 break;
2437 case QEMU_OPTION_rtc_td_hack:
2438 rtc_td_hack = 1;
2439 break;
2440 case QEMU_OPTION_acpitable:
2441 do_acpitable_option(optarg);
2442 break;
2443 case QEMU_OPTION_smbios:
2444 do_smbios_option(optarg);
2445 break;
2446 case QEMU_OPTION_enable_kvm:
2447 kvm_allowed = 1;
2448 break;
2449 case QEMU_OPTION_usb:
2450 usb_enabled = 1;
2451 break;
2452 case QEMU_OPTION_usbdevice:
2453 usb_enabled = 1;
2454 add_device_config(DEV_USB, optarg);
2455 break;
2456 case QEMU_OPTION_device:
2457 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2458 exit(1);
2459 }
2460 break;
2461 case QEMU_OPTION_smp:
2462 smp_parse(optarg);
2463 if (smp_cpus < 1) {
2464 fprintf(stderr, "Invalid number of CPUs\n");
2465 exit(1);
2466 }
2467 if (max_cpus < smp_cpus) {
2468 fprintf(stderr, "maxcpus must be equal to or greater than "
2469 "smp\n");
2470 exit(1);
2471 }
2472 if (max_cpus > 255) {
2473 fprintf(stderr, "Unsupported number of maxcpus\n");
2474 exit(1);
2475 }
2476 break;
2477 case QEMU_OPTION_vnc:
2478 display_remote++;
2479 vnc_display = optarg;
2480 break;
2481 case QEMU_OPTION_no_acpi:
2482 acpi_enabled = 0;
2483 break;
2484 case QEMU_OPTION_no_hpet:
2485 no_hpet = 1;
2486 break;
2487 case QEMU_OPTION_balloon:
2488 if (balloon_parse(optarg) < 0) {
2489 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2490 exit(1);
2491 }
2492 break;
2493 case QEMU_OPTION_no_reboot:
2494 no_reboot = 1;
2495 break;
2496 case QEMU_OPTION_no_shutdown:
2497 no_shutdown = 1;
2498 break;
2499 case QEMU_OPTION_show_cursor:
2500 cursor_hide = 0;
2501 break;
2502 case QEMU_OPTION_uuid:
2503 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2504 fprintf(stderr, "Fail to parse UUID string."
2505 " Wrong format.\n");
2506 exit(1);
2507 }
2508 break;
2509 case QEMU_OPTION_option_rom:
2510 if (nb_option_roms >= MAX_OPTION_ROMS) {
2511 fprintf(stderr, "Too many option ROMs\n");
2512 exit(1);
2513 }
2514 option_rom[nb_option_roms] = optarg;
2515 nb_option_roms++;
2516 break;
2517 case QEMU_OPTION_semihosting:
2518 semihosting_enabled = 1;
2519 break;
2520 case QEMU_OPTION_name:
2521 qemu_name = qemu_strdup(optarg);
2522 {
2523 char *p = strchr(qemu_name, ',');
2524 if (p != NULL) {
2525 *p++ = 0;
2526 if (strncmp(p, "process=", 8)) {
2527 fprintf(stderr, "Unknown subargument %s to -name", p);
2528 exit(1);
2529 }
2530 p += 8;
2531 os_set_proc_name(p);
2532 }
2533 }
2534 break;
2535 case QEMU_OPTION_prom_env:
2536 if (nb_prom_envs >= MAX_PROM_ENVS) {
2537 fprintf(stderr, "Too many prom variables\n");
2538 exit(1);
2539 }
2540 prom_envs[nb_prom_envs] = optarg;
2541 nb_prom_envs++;
2542 break;
2543 case QEMU_OPTION_old_param:
2544 old_param = 1;
2545 break;
2546 case QEMU_OPTION_clock:
2547 configure_alarms(optarg);
2548 break;
2549 case QEMU_OPTION_startdate:
2550 configure_rtc_date_offset(optarg, 1);
2551 break;
2552 case QEMU_OPTION_rtc:
2553 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2554 if (!opts) {
2555 exit(1);
2556 }
2557 configure_rtc(opts);
2558 break;
2559 case QEMU_OPTION_tb_size:
2560 tb_size = strtol(optarg, NULL, 0);
2561 if (tb_size < 0)
2562 tb_size = 0;
2563 break;
2564 case QEMU_OPTION_icount:
2565 icount_option = optarg;
2566 break;
2567 case QEMU_OPTION_incoming:
2568 incoming = optarg;
2569 incoming_expected = true;
2570 break;
2571 case QEMU_OPTION_nodefaults:
2572 default_serial = 0;
2573 default_parallel = 0;
2574 default_virtcon = 0;
2575 default_monitor = 0;
2576 default_vga = 0;
2577 default_net = 0;
2578 default_floppy = 0;
2579 default_cdrom = 0;
2580 default_sdcard = 0;
2581 break;
2582 case QEMU_OPTION_xen_domid:
2583 if (!(xen_available())) {
2584 printf("Option %s not supported for this target\n", popt->name);
2585 exit(1);
2586 }
2587 xen_domid = atoi(optarg);
2588 break;
2589 case QEMU_OPTION_xen_create:
2590 if (!(xen_available())) {
2591 printf("Option %s not supported for this target\n", popt->name);
2592 exit(1);
2593 }
2594 xen_mode = XEN_CREATE;
2595 break;
2596 case QEMU_OPTION_xen_attach:
2597 if (!(xen_available())) {
2598 printf("Option %s not supported for this target\n", popt->name);
2599 exit(1);
2600 }
2601 xen_mode = XEN_ATTACH;
2602 break;
2603 #ifdef CONFIG_SIMPLE_TRACE
2604 case QEMU_OPTION_trace:
2605 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2606 if (opts) {
2607 trace_file = qemu_opt_get(opts, "file");
2608 }
2609 break;
2610 #endif
2611 case QEMU_OPTION_readconfig:
2612 {
2613 int ret = qemu_read_config_file(optarg);
2614 if (ret < 0) {
2615 fprintf(stderr, "read config %s: %s\n", optarg,
2616 strerror(-ret));
2617 exit(1);
2618 }
2619 break;
2620 }
2621 case QEMU_OPTION_spice:
2622 olist = qemu_find_opts("spice");
2623 if (!olist) {
2624 fprintf(stderr, "spice is not supported by this qemu build.\n");
2625 exit(1);
2626 }
2627 opts = qemu_opts_parse(olist, optarg, 0);
2628 if (!opts) {
2629 fprintf(stderr, "parse error: %s\n", optarg);
2630 exit(1);
2631 }
2632 break;
2633 case QEMU_OPTION_writeconfig:
2634 {
2635 FILE *fp;
2636 if (strcmp(optarg, "-") == 0) {
2637 fp = stdout;
2638 } else {
2639 fp = fopen(optarg, "w");
2640 if (fp == NULL) {
2641 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2642 exit(1);
2643 }
2644 }
2645 qemu_config_write(fp);
2646 fclose(fp);
2647 break;
2648 }
2649 default:
2650 os_parse_cmd_args(popt->index, optarg);
2651 }
2652 }
2653 }
2654 loc_set_none();
2655
2656 /* If no data_dir is specified then try to find it relative to the
2657 executable path. */
2658 if (!data_dir) {
2659 data_dir = os_find_datadir(argv[0]);
2660 }
2661 /* If all else fails use the install patch specified when building. */
2662 if (!data_dir) {
2663 data_dir = CONFIG_QEMU_DATADIR;
2664 }
2665
2666 #ifdef CONFIG_SIMPLE_TRACE
2667 /*
2668 * Set the trace file name, if specified.
2669 */
2670 st_set_trace_file(trace_file);
2671 #endif
2672 /*
2673 * Default to max_cpus = smp_cpus, in case the user doesn't
2674 * specify a max_cpus value.
2675 */
2676 if (!max_cpus)
2677 max_cpus = smp_cpus;
2678
2679 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2680 if (smp_cpus > machine->max_cpus) {
2681 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2682 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2683 machine->max_cpus);
2684 exit(1);
2685 }
2686
2687 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2688 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2689
2690 if (machine->no_serial) {
2691 default_serial = 0;
2692 }
2693 if (machine->no_parallel) {
2694 default_parallel = 0;
2695 }
2696 if (!machine->use_virtcon) {
2697 default_virtcon = 0;
2698 }
2699 if (machine->no_vga) {
2700 default_vga = 0;
2701 }
2702 if (machine->no_floppy) {
2703 default_floppy = 0;
2704 }
2705 if (machine->no_cdrom) {
2706 default_cdrom = 0;
2707 }
2708 if (machine->no_sdcard) {
2709 default_sdcard = 0;
2710 }
2711
2712 if (display_type == DT_NOGRAPHIC) {
2713 if (default_parallel)
2714 add_device_config(DEV_PARALLEL, "null");
2715 if (default_serial && default_monitor) {
2716 add_device_config(DEV_SERIAL, "mon:stdio");
2717 } else if (default_virtcon && default_monitor) {
2718 add_device_config(DEV_VIRTCON, "mon:stdio");
2719 } else {
2720 if (default_serial)
2721 add_device_config(DEV_SERIAL, "stdio");
2722 if (default_virtcon)
2723 add_device_config(DEV_VIRTCON, "stdio");
2724 if (default_monitor)
2725 monitor_parse("stdio", "readline");
2726 }
2727 } else {
2728 if (default_serial)
2729 add_device_config(DEV_SERIAL, "vc:80Cx24C");
2730 if (default_parallel)
2731 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2732 if (default_monitor)
2733 monitor_parse("vc:80Cx24C", "readline");
2734 if (default_virtcon)
2735 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2736 }
2737 if (default_vga)
2738 vga_interface_type = VGA_CIRRUS;
2739
2740 socket_init();
2741
2742 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
2743 exit(1);
2744 #ifdef CONFIG_VIRTFS
2745 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
2746 exit(1);
2747 }
2748 #endif
2749
2750 os_daemonize();
2751
2752 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2753 os_pidfile_error();
2754 exit(1);
2755 }
2756
2757 if (kvm_allowed) {
2758 int ret = kvm_init(smp_cpus);
2759 if (ret < 0) {
2760 if (!kvm_available()) {
2761 printf("KVM not supported for this target\n");
2762 } else {
2763 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2764 }
2765 exit(1);
2766 }
2767 }
2768
2769 if (qemu_init_main_loop()) {
2770 fprintf(stderr, "qemu_init_main_loop failed\n");
2771 exit(1);
2772 }
2773 linux_boot = (kernel_filename != NULL);
2774
2775 if (!linux_boot && *kernel_cmdline != '\0') {
2776 fprintf(stderr, "-append only allowed with -kernel option\n");
2777 exit(1);
2778 }
2779
2780 if (!linux_boot && initrd_filename != NULL) {
2781 fprintf(stderr, "-initrd only allowed with -kernel option\n");
2782 exit(1);
2783 }
2784
2785 os_set_line_buffering();
2786
2787 if (init_timer_alarm() < 0) {
2788 fprintf(stderr, "could not initialize alarm timer\n");
2789 exit(1);
2790 }
2791 configure_icount(icount_option);
2792
2793 if (net_init_clients() < 0) {
2794 exit(1);
2795 }
2796
2797 /* init the bluetooth world */
2798 if (foreach_device_config(DEV_BT, bt_parse))
2799 exit(1);
2800
2801 /* init the memory */
2802 if (ram_size == 0)
2803 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2804
2805 /* init the dynamic translator */
2806 cpu_exec_init_all(tb_size * 1024 * 1024);
2807
2808 bdrv_init_with_whitelist();
2809
2810 blk_mig_init();
2811
2812 if (default_cdrom) {
2813 /* we always create the cdrom drive, even if no disk is there */
2814 drive_add(NULL, CDROM_ALIAS);
2815 }
2816
2817 if (default_floppy) {
2818 /* we always create at least one floppy */
2819 drive_add(NULL, FD_ALIAS, 0);
2820 }
2821
2822 if (default_sdcard) {
2823 /* we always create one sd slot, even if no card is in it */
2824 drive_add(NULL, SD_ALIAS);
2825 }
2826
2827 /* open the virtual block devices */
2828 if (snapshot)
2829 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
2830 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
2831 exit(1);
2832
2833 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2834 ram_load, NULL);
2835
2836 if (nb_numa_nodes > 0) {
2837 int i;
2838
2839 if (nb_numa_nodes > smp_cpus) {
2840 nb_numa_nodes = smp_cpus;
2841 }
2842
2843 /* If no memory size if given for any node, assume the default case
2844 * and distribute the available memory equally across all nodes
2845 */
2846 for (i = 0; i < nb_numa_nodes; i++) {
2847 if (node_mem[i] != 0)
2848 break;
2849 }
2850 if (i == nb_numa_nodes) {
2851 uint64_t usedmem = 0;
2852
2853 /* On Linux, the each node's border has to be 8MB aligned,
2854 * the final node gets the rest.
2855 */
2856 for (i = 0; i < nb_numa_nodes - 1; i++) {
2857 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2858 usedmem += node_mem[i];
2859 }
2860 node_mem[i] = ram_size - usedmem;
2861 }
2862
2863 for (i = 0; i < nb_numa_nodes; i++) {
2864 if (node_cpumask[i] != 0)
2865 break;
2866 }
2867 /* assigning the VCPUs round-robin is easier to implement, guest OSes
2868 * must cope with this anyway, because there are BIOSes out there in
2869 * real machines which also use this scheme.
2870 */
2871 if (i == nb_numa_nodes) {
2872 for (i = 0; i < smp_cpus; i++) {
2873 node_cpumask[i % nb_numa_nodes] |= 1 << i;
2874 }
2875 }
2876 }
2877
2878 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
2879 exit(1);
2880 }
2881
2882 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2883 exit(1);
2884 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2885 exit(1);
2886 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2887 exit(1);
2888 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2889 exit(1);
2890
2891 module_call_init(MODULE_INIT_DEVICE);
2892
2893 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
2894 exit(0);
2895
2896 if (watchdog) {
2897 i = select_watchdog(watchdog);
2898 if (i > 0)
2899 exit (i == 1 ? 1 : 0);
2900 }
2901
2902 if (machine->compat_props) {
2903 qdev_prop_register_global_list(machine->compat_props);
2904 }
2905 qemu_add_globals();
2906
2907 machine->init(ram_size, boot_devices,
2908 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
2909
2910 cpu_synchronize_all_post_init();
2911
2912 /* must be after terminal init, SDL library changes signal handlers */
2913 os_setup_signal_handling();
2914
2915 set_numa_modes();
2916
2917 current_machine = machine;
2918
2919 /* init USB devices */
2920 if (usb_enabled) {
2921 if (foreach_device_config(DEV_USB, usb_parse) < 0)
2922 exit(1);
2923 }
2924
2925 /* init generic devices */
2926 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
2927 exit(1);
2928
2929 net_check_clients();
2930
2931 /* just use the first displaystate for the moment */
2932 ds = get_displaystate();
2933
2934 if (using_spice)
2935 display_remote++;
2936 if (display_type == DT_DEFAULT && !display_remote) {
2937 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
2938 display_type = DT_SDL;
2939 #else
2940 vnc_display = "localhost:0,to=99";
2941 show_vnc_port = 1;
2942 #endif
2943 }
2944
2945
2946 /* init local displays */
2947 switch (display_type) {
2948 case DT_NOGRAPHIC:
2949 break;
2950 #if defined(CONFIG_CURSES)
2951 case DT_CURSES:
2952 curses_display_init(ds, full_screen);
2953 break;
2954 #endif
2955 #if defined(CONFIG_SDL)
2956 case DT_SDL:
2957 sdl_display_init(ds, full_screen, no_frame);
2958 break;
2959 #elif defined(CONFIG_COCOA)
2960 case DT_SDL:
2961 cocoa_display_init(ds, full_screen);
2962 break;
2963 #endif
2964 default:
2965 break;
2966 }
2967
2968 /* init remote displays */
2969 if (vnc_display) {
2970 vnc_display_init(ds);
2971 if (vnc_display_open(ds, vnc_display) < 0)
2972 exit(1);
2973
2974 if (show_vnc_port) {
2975 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
2976 }
2977 }
2978 #ifdef CONFIG_SPICE
2979 if (using_spice) {
2980 qemu_spice_display_init(ds);
2981 }
2982 #endif
2983
2984 /* display setup */
2985 dpy_resize(ds);
2986 dcl = ds->listeners;
2987 while (dcl != NULL) {
2988 if (dcl->dpy_refresh != NULL) {
2989 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
2990 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
2991 break;
2992 }
2993 dcl = dcl->next;
2994 }
2995 if (ds->gui_timer == NULL) {
2996 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
2997 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
2998 }
2999 text_consoles_set_display(ds);
3000
3001 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3002 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3003 gdbstub_dev);
3004 exit(1);
3005 }
3006
3007 qdev_machine_creation_done();
3008
3009 if (rom_load_all() != 0) {
3010 fprintf(stderr, "rom loading failed\n");
3011 exit(1);
3012 }
3013
3014 qemu_system_reset();
3015 if (loadvm) {
3016 if (load_vmstate(loadvm) < 0) {
3017 autostart = 0;
3018 }
3019 }
3020
3021 if (incoming) {
3022 int ret = qemu_start_incoming_migration(incoming);
3023 if (ret < 0) {
3024 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3025 incoming, ret);
3026 exit(ret);
3027 }
3028 } else if (autostart) {
3029 vm_start();
3030 }
3031
3032 os_setup_post();
3033
3034 main_loop();
3035 quit_timers();
3036 net_cleanup();
3037
3038 return 0;
3039 }
Zhi Yong Wu's QEmu Source Tree - dev