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[qemu.git] / vl.c
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
51 #ifdef CONFIG_BSD
52 #include <sys/stat.h>
53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
54 #include <libutil.h>
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <pty.h>
62 #include <malloc.h>
63
64 #include <linux/ppdev.h>
65 #include <linux/parport.h>
66 #endif
67 #ifdef __sun__
68 #include <sys/stat.h>
69 #include <sys/ethernet.h>
70 #include <sys/sockio.h>
71 #include <netinet/arp.h>
72 #include <netinet/in_systm.h>
73 #include <netinet/ip.h>
74 #include <netinet/ip_icmp.h> // must come after ip.h
75 #include <netinet/udp.h>
76 #include <netinet/tcp.h>
77 #include <net/if.h>
78 #include <syslog.h>
79 #include <stropts.h>
80 #endif
81 #endif
82 #endif
83
84 #if defined(__OpenBSD__)
85 #include <util.h>
86 #endif
87
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
91
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
95
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
101 {
102 return qemu_main(argc, argv, NULL);
103 }
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
108
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
113
114 #include "hw/hw.h"
115 #include "hw/boards.h"
116 #include "hw/usb.h"
117 #include "hw/pcmcia.h"
118 #include "hw/pc.h"
119 #include "hw/isa.h"
120 #include "hw/baum.h"
121 #include "hw/bt.h"
122 #include "hw/watchdog.h"
123 #include "hw/smbios.h"
124 #include "hw/xen.h"
125 #include "hw/qdev.h"
126 #include "hw/loader.h"
127 #include "bt-host.h"
128 #include "net.h"
129 #include "net/slirp.h"
130 #include "monitor.h"
131 #include "console.h"
132 #include "sysemu.h"
133 #include "gdbstub.h"
134 #include "qemu-timer.h"
135 #include "qemu-char.h"
136 #include "cache-utils.h"
137 #include "block.h"
138 #include "blockdev.h"
139 #include "block-migration.h"
140 #include "dma.h"
141 #include "audio/audio.h"
142 #include "migration.h"
143 #include "kvm.h"
144 #include "qemu-option.h"
145 #include "qemu-config.h"
146 #include "qemu-objects.h"
147 #include "qemu-options.h"
148 #ifdef CONFIG_VIRTFS
149 #include "fsdev/qemu-fsdev.h"
150 #endif
151
152 #include "disas.h"
153
154 #include "qemu_socket.h"
155
156 #include "slirp/libslirp.h"
157
158 #include "trace.h"
159 #include "simpletrace.h"
160 #include "qemu-queue.h"
161 #include "cpus.h"
162 #include "arch_init.h"
163
164 #include "ui/qemu-spice.h"
165
166 //#define DEBUG_NET
167 //#define DEBUG_SLIRP
168
169 #define DEFAULT_RAM_SIZE 128
170
171 #define MAX_VIRTIO_CONSOLES 1
172
173 static const char *data_dir;
174 const char *bios_name = NULL;
175 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
176 DisplayType display_type = DT_DEFAULT;
177 int display_remote = 0;
178 const char* keyboard_layout = NULL;
179 ram_addr_t ram_size;
180 const char *mem_path = NULL;
181 #ifdef MAP_POPULATE
182 int mem_prealloc = 0; /* force preallocation of physical target memory */
183 #endif
184 int nb_nics;
185 NICInfo nd_table[MAX_NICS];
186 int vm_running;
187 int autostart;
188 int incoming_expected; /* Started with -incoming and waiting for incoming */
189 static int rtc_utc = 1;
190 static int rtc_date_offset = -1; /* -1 means no change */
191 QEMUClock *rtc_clock;
192 int vga_interface_type = VGA_NONE;
193 static int full_screen = 0;
194 #ifdef CONFIG_SDL
195 static int no_frame = 0;
196 #endif
197 int no_quit = 0;
198 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
199 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
200 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
201 int win2k_install_hack = 0;
202 int rtc_td_hack = 0;
203 int usb_enabled = 0;
204 int singlestep = 0;
205 int smp_cpus = 1;
206 int max_cpus = 0;
207 int smp_cores = 1;
208 int smp_threads = 1;
209 #ifdef CONFIG_VNC
210 const char *vnc_display;
211 #endif
212 int acpi_enabled = 1;
213 int no_hpet = 0;
214 int fd_bootchk = 1;
215 int no_reboot = 0;
216 int no_shutdown = 0;
217 int cursor_hide = 1;
218 int graphic_rotate = 0;
219 uint8_t irq0override = 1;
220 const char *watchdog;
221 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
222 int nb_option_roms;
223 int semihosting_enabled = 0;
224 int old_param = 0;
225 const char *qemu_name;
226 int alt_grab = 0;
227 int ctrl_grab = 0;
228 unsigned int nb_prom_envs = 0;
229 const char *prom_envs[MAX_PROM_ENVS];
230 int boot_menu;
231
232 typedef struct FWBootEntry FWBootEntry;
233
234 struct FWBootEntry {
235 QTAILQ_ENTRY(FWBootEntry) link;
236 int32_t bootindex;
237 DeviceState *dev;
238 char *suffix;
239 };
240
241 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
242
243 int nb_numa_nodes;
244 uint64_t node_mem[MAX_NODES];
245 uint64_t node_cpumask[MAX_NODES];
246
247 static QEMUTimer *nographic_timer;
248
249 uint8_t qemu_uuid[16];
250
251 static QEMUBootSetHandler *boot_set_handler;
252 static void *boot_set_opaque;
253
254 static NotifierList exit_notifiers =
255 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
256
257 static NotifierList machine_init_done_notifiers =
258 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
259
260 int kvm_allowed = 0;
261 uint32_t xen_domid;
262 enum xen_mode xen_mode = XEN_EMULATE;
263
264 static int default_serial = 1;
265 static int default_parallel = 1;
266 static int default_virtcon = 1;
267 static int default_monitor = 1;
268 static int default_vga = 1;
269 static int default_floppy = 1;
270 static int default_cdrom = 1;
271 static int default_sdcard = 1;
272
273 static struct {
274 const char *driver;
275 int *flag;
276 } default_list[] = {
277 { .driver = "isa-serial", .flag = &default_serial },
278 { .driver = "isa-parallel", .flag = &default_parallel },
279 { .driver = "isa-fdc", .flag = &default_floppy },
280 { .driver = "ide-drive", .flag = &default_cdrom },
281 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
282 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
283 { .driver = "virtio-serial", .flag = &default_virtcon },
284 { .driver = "VGA", .flag = &default_vga },
285 { .driver = "cirrus-vga", .flag = &default_vga },
286 { .driver = "vmware-svga", .flag = &default_vga },
287 };
288
289 static int default_driver_check(QemuOpts *opts, void *opaque)
290 {
291 const char *driver = qemu_opt_get(opts, "driver");
292 int i;
293
294 if (!driver)
295 return 0;
296 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
297 if (strcmp(default_list[i].driver, driver) != 0)
298 continue;
299 *(default_list[i].flag) = 0;
300 }
301 return 0;
302 }
303
304 /***********************************************************/
305 /* real time host monotonic timer */
306
307 /***********************************************************/
308 /* host time/date access */
309 void qemu_get_timedate(struct tm *tm, int offset)
310 {
311 time_t ti;
312 struct tm *ret;
313
314 time(&ti);
315 ti += offset;
316 if (rtc_date_offset == -1) {
317 if (rtc_utc)
318 ret = gmtime(&ti);
319 else
320 ret = localtime(&ti);
321 } else {
322 ti -= rtc_date_offset;
323 ret = gmtime(&ti);
324 }
325
326 memcpy(tm, ret, sizeof(struct tm));
327 }
328
329 int qemu_timedate_diff(struct tm *tm)
330 {
331 time_t seconds;
332
333 if (rtc_date_offset == -1)
334 if (rtc_utc)
335 seconds = mktimegm(tm);
336 else
337 seconds = mktime(tm);
338 else
339 seconds = mktimegm(tm) + rtc_date_offset;
340
341 return seconds - time(NULL);
342 }
343
344 void rtc_change_mon_event(struct tm *tm)
345 {
346 QObject *data;
347
348 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
349 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
350 qobject_decref(data);
351 }
352
353 static void configure_rtc_date_offset(const char *startdate, int legacy)
354 {
355 time_t rtc_start_date;
356 struct tm tm;
357
358 if (!strcmp(startdate, "now") && legacy) {
359 rtc_date_offset = -1;
360 } else {
361 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
362 &tm.tm_year,
363 &tm.tm_mon,
364 &tm.tm_mday,
365 &tm.tm_hour,
366 &tm.tm_min,
367 &tm.tm_sec) == 6) {
368 /* OK */
369 } else if (sscanf(startdate, "%d-%d-%d",
370 &tm.tm_year,
371 &tm.tm_mon,
372 &tm.tm_mday) == 3) {
373 tm.tm_hour = 0;
374 tm.tm_min = 0;
375 tm.tm_sec = 0;
376 } else {
377 goto date_fail;
378 }
379 tm.tm_year -= 1900;
380 tm.tm_mon--;
381 rtc_start_date = mktimegm(&tm);
382 if (rtc_start_date == -1) {
383 date_fail:
384 fprintf(stderr, "Invalid date format. Valid formats are:\n"
385 "'2006-06-17T16:01:21' or '2006-06-17'\n");
386 exit(1);
387 }
388 rtc_date_offset = time(NULL) - rtc_start_date;
389 }
390 }
391
392 static void configure_rtc(QemuOpts *opts)
393 {
394 const char *value;
395
396 value = qemu_opt_get(opts, "base");
397 if (value) {
398 if (!strcmp(value, "utc")) {
399 rtc_utc = 1;
400 } else if (!strcmp(value, "localtime")) {
401 rtc_utc = 0;
402 } else {
403 configure_rtc_date_offset(value, 0);
404 }
405 }
406 value = qemu_opt_get(opts, "clock");
407 if (value) {
408 if (!strcmp(value, "host")) {
409 rtc_clock = host_clock;
410 } else if (!strcmp(value, "vm")) {
411 rtc_clock = vm_clock;
412 } else {
413 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
414 exit(1);
415 }
416 }
417 value = qemu_opt_get(opts, "driftfix");
418 if (value) {
419 if (!strcmp(value, "slew")) {
420 rtc_td_hack = 1;
421 } else if (!strcmp(value, "none")) {
422 rtc_td_hack = 0;
423 } else {
424 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
425 exit(1);
426 }
427 }
428 }
429
430 /***********************************************************/
431 /* Bluetooth support */
432 static int nb_hcis;
433 static int cur_hci;
434 static struct HCIInfo *hci_table[MAX_NICS];
435
436 static struct bt_vlan_s {
437 struct bt_scatternet_s net;
438 int id;
439 struct bt_vlan_s *next;
440 } *first_bt_vlan;
441
442 /* find or alloc a new bluetooth "VLAN" */
443 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
444 {
445 struct bt_vlan_s **pvlan, *vlan;
446 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
447 if (vlan->id == id)
448 return &vlan->net;
449 }
450 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
451 vlan->id = id;
452 pvlan = &first_bt_vlan;
453 while (*pvlan != NULL)
454 pvlan = &(*pvlan)->next;
455 *pvlan = vlan;
456 return &vlan->net;
457 }
458
459 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
460 {
461 }
462
463 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
464 {
465 return -ENOTSUP;
466 }
467
468 static struct HCIInfo null_hci = {
469 .cmd_send = null_hci_send,
470 .sco_send = null_hci_send,
471 .acl_send = null_hci_send,
472 .bdaddr_set = null_hci_addr_set,
473 };
474
475 struct HCIInfo *qemu_next_hci(void)
476 {
477 if (cur_hci == nb_hcis)
478 return &null_hci;
479
480 return hci_table[cur_hci++];
481 }
482
483 static struct HCIInfo *hci_init(const char *str)
484 {
485 char *endp;
486 struct bt_scatternet_s *vlan = 0;
487
488 if (!strcmp(str, "null"))
489 /* null */
490 return &null_hci;
491 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
492 /* host[:hciN] */
493 return bt_host_hci(str[4] ? str + 5 : "hci0");
494 else if (!strncmp(str, "hci", 3)) {
495 /* hci[,vlan=n] */
496 if (str[3]) {
497 if (!strncmp(str + 3, ",vlan=", 6)) {
498 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
499 if (*endp)
500 vlan = 0;
501 }
502 } else
503 vlan = qemu_find_bt_vlan(0);
504 if (vlan)
505 return bt_new_hci(vlan);
506 }
507
508 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
509
510 return 0;
511 }
512
513 static int bt_hci_parse(const char *str)
514 {
515 struct HCIInfo *hci;
516 bdaddr_t bdaddr;
517
518 if (nb_hcis >= MAX_NICS) {
519 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
520 return -1;
521 }
522
523 hci = hci_init(str);
524 if (!hci)
525 return -1;
526
527 bdaddr.b[0] = 0x52;
528 bdaddr.b[1] = 0x54;
529 bdaddr.b[2] = 0x00;
530 bdaddr.b[3] = 0x12;
531 bdaddr.b[4] = 0x34;
532 bdaddr.b[5] = 0x56 + nb_hcis;
533 hci->bdaddr_set(hci, bdaddr.b);
534
535 hci_table[nb_hcis++] = hci;
536
537 return 0;
538 }
539
540 static void bt_vhci_add(int vlan_id)
541 {
542 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
543
544 if (!vlan->slave)
545 fprintf(stderr, "qemu: warning: adding a VHCI to "
546 "an empty scatternet %i\n", vlan_id);
547
548 bt_vhci_init(bt_new_hci(vlan));
549 }
550
551 static struct bt_device_s *bt_device_add(const char *opt)
552 {
553 struct bt_scatternet_s *vlan;
554 int vlan_id = 0;
555 char *endp = strstr(opt, ",vlan=");
556 int len = (endp ? endp - opt : strlen(opt)) + 1;
557 char devname[10];
558
559 pstrcpy(devname, MIN(sizeof(devname), len), opt);
560
561 if (endp) {
562 vlan_id = strtol(endp + 6, &endp, 0);
563 if (*endp) {
564 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
565 return 0;
566 }
567 }
568
569 vlan = qemu_find_bt_vlan(vlan_id);
570
571 if (!vlan->slave)
572 fprintf(stderr, "qemu: warning: adding a slave device to "
573 "an empty scatternet %i\n", vlan_id);
574
575 if (!strcmp(devname, "keyboard"))
576 return bt_keyboard_init(vlan);
577
578 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
579 return 0;
580 }
581
582 static int bt_parse(const char *opt)
583 {
584 const char *endp, *p;
585 int vlan;
586
587 if (strstart(opt, "hci", &endp)) {
588 if (!*endp || *endp == ',') {
589 if (*endp)
590 if (!strstart(endp, ",vlan=", 0))
591 opt = endp + 1;
592
593 return bt_hci_parse(opt);
594 }
595 } else if (strstart(opt, "vhci", &endp)) {
596 if (!*endp || *endp == ',') {
597 if (*endp) {
598 if (strstart(endp, ",vlan=", &p)) {
599 vlan = strtol(p, (char **) &endp, 0);
600 if (*endp) {
601 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
602 return 1;
603 }
604 } else {
605 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
606 return 1;
607 }
608 } else
609 vlan = 0;
610
611 bt_vhci_add(vlan);
612 return 0;
613 }
614 } else if (strstart(opt, "device:", &endp))
615 return !bt_device_add(endp);
616
617 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
618 return 1;
619 }
620
621 /***********************************************************/
622 /* QEMU Block devices */
623
624 #define HD_OPTS "media=disk"
625 #define CDROM_OPTS "media=cdrom"
626 #define FD_OPTS ""
627 #define PFLASH_OPTS ""
628 #define MTD_OPTS ""
629 #define SD_OPTS ""
630
631 static int drive_init_func(QemuOpts *opts, void *opaque)
632 {
633 int *use_scsi = opaque;
634
635 return drive_init(opts, *use_scsi) == NULL;
636 }
637
638 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
639 {
640 if (NULL == qemu_opt_get(opts, "snapshot")) {
641 qemu_opt_set(opts, "snapshot", "on");
642 }
643 return 0;
644 }
645
646 static void default_drive(int enable, int snapshot, int use_scsi,
647 BlockInterfaceType type, int index,
648 const char *optstr)
649 {
650 QemuOpts *opts;
651
652 if (type == IF_DEFAULT) {
653 type = use_scsi ? IF_SCSI : IF_IDE;
654 }
655
656 if (!enable || drive_get_by_index(type, index)) {
657 return;
658 }
659
660 opts = drive_add(type, index, NULL, optstr);
661 if (snapshot) {
662 drive_enable_snapshot(opts, NULL);
663 }
664 if (!drive_init(opts, use_scsi)) {
665 exit(1);
666 }
667 }
668
669 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
670 {
671 boot_set_handler = func;
672 boot_set_opaque = opaque;
673 }
674
675 int qemu_boot_set(const char *boot_devices)
676 {
677 if (!boot_set_handler) {
678 return -EINVAL;
679 }
680 return boot_set_handler(boot_set_opaque, boot_devices);
681 }
682
683 static void validate_bootdevices(char *devices)
684 {
685 /* We just do some generic consistency checks */
686 const char *p;
687 int bitmap = 0;
688
689 for (p = devices; *p != '\0'; p++) {
690 /* Allowed boot devices are:
691 * a-b: floppy disk drives
692 * c-f: IDE disk drives
693 * g-m: machine implementation dependant drives
694 * n-p: network devices
695 * It's up to each machine implementation to check if the given boot
696 * devices match the actual hardware implementation and firmware
697 * features.
698 */
699 if (*p < 'a' || *p > 'p') {
700 fprintf(stderr, "Invalid boot device '%c'\n", *p);
701 exit(1);
702 }
703 if (bitmap & (1 << (*p - 'a'))) {
704 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
705 exit(1);
706 }
707 bitmap |= 1 << (*p - 'a');
708 }
709 }
710
711 static void restore_boot_devices(void *opaque)
712 {
713 char *standard_boot_devices = opaque;
714 static int first = 1;
715
716 /* Restore boot order and remove ourselves after the first boot */
717 if (first) {
718 first = 0;
719 return;
720 }
721
722 qemu_boot_set(standard_boot_devices);
723
724 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
725 qemu_free(standard_boot_devices);
726 }
727
728 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
729 const char *suffix)
730 {
731 FWBootEntry *node, *i;
732
733 if (bootindex < 0) {
734 return;
735 }
736
737 assert(dev != NULL || suffix != NULL);
738
739 node = qemu_mallocz(sizeof(FWBootEntry));
740 node->bootindex = bootindex;
741 node->suffix = suffix ? qemu_strdup(suffix) : NULL;
742 node->dev = dev;
743
744 QTAILQ_FOREACH(i, &fw_boot_order, link) {
745 if (i->bootindex == bootindex) {
746 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
747 exit(1);
748 } else if (i->bootindex < bootindex) {
749 continue;
750 }
751 QTAILQ_INSERT_BEFORE(i, node, link);
752 return;
753 }
754 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
755 }
756
757 /*
758 * This function returns null terminated string that consist of new line
759 * separated device pathes.
760 *
761 * memory pointed by "size" is assigned total length of the array in bytes
762 *
763 */
764 char *get_boot_devices_list(uint32_t *size)
765 {
766 FWBootEntry *i;
767 uint32_t total = 0;
768 char *list = NULL;
769
770 QTAILQ_FOREACH(i, &fw_boot_order, link) {
771 char *devpath = NULL, *bootpath;
772 int len;
773
774 if (i->dev) {
775 devpath = qdev_get_fw_dev_path(i->dev);
776 assert(devpath);
777 }
778
779 if (i->suffix && devpath) {
780 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
781
782 bootpath = qemu_malloc(bootpathlen);
783 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
784 qemu_free(devpath);
785 } else if (devpath) {
786 bootpath = devpath;
787 } else {
788 bootpath = qemu_strdup(i->suffix);
789 assert(bootpath);
790 }
791
792 if (total) {
793 list[total-1] = '\n';
794 }
795 len = strlen(bootpath) + 1;
796 list = qemu_realloc(list, total + len);
797 memcpy(&list[total], bootpath, len);
798 total += len;
799 qemu_free(bootpath);
800 }
801
802 *size = total;
803
804 return list;
805 }
806
807 static void numa_add(const char *optarg)
808 {
809 char option[128];
810 char *endptr;
811 unsigned long long value, endvalue;
812 int nodenr;
813
814 optarg = get_opt_name(option, 128, optarg, ',') + 1;
815 if (!strcmp(option, "node")) {
816 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
817 nodenr = nb_numa_nodes;
818 } else {
819 nodenr = strtoull(option, NULL, 10);
820 }
821
822 if (get_param_value(option, 128, "mem", optarg) == 0) {
823 node_mem[nodenr] = 0;
824 } else {
825 int64_t sval;
826 sval = strtosz(option, NULL);
827 if (sval < 0) {
828 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
829 exit(1);
830 }
831 node_mem[nodenr] = sval;
832 }
833 if (get_param_value(option, 128, "cpus", optarg) == 0) {
834 node_cpumask[nodenr] = 0;
835 } else {
836 value = strtoull(option, &endptr, 10);
837 if (value >= 64) {
838 value = 63;
839 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
840 } else {
841 if (*endptr == '-') {
842 endvalue = strtoull(endptr+1, &endptr, 10);
843 if (endvalue >= 63) {
844 endvalue = 62;
845 fprintf(stderr,
846 "only 63 CPUs in NUMA mode supported.\n");
847 }
848 value = (2ULL << endvalue) - (1ULL << value);
849 } else {
850 value = 1ULL << value;
851 }
852 }
853 node_cpumask[nodenr] = value;
854 }
855 nb_numa_nodes++;
856 }
857 return;
858 }
859
860 static void smp_parse(const char *optarg)
861 {
862 int smp, sockets = 0, threads = 0, cores = 0;
863 char *endptr;
864 char option[128];
865
866 smp = strtoul(optarg, &endptr, 10);
867 if (endptr != optarg) {
868 if (*endptr == ',') {
869 endptr++;
870 }
871 }
872 if (get_param_value(option, 128, "sockets", endptr) != 0)
873 sockets = strtoull(option, NULL, 10);
874 if (get_param_value(option, 128, "cores", endptr) != 0)
875 cores = strtoull(option, NULL, 10);
876 if (get_param_value(option, 128, "threads", endptr) != 0)
877 threads = strtoull(option, NULL, 10);
878 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
879 max_cpus = strtoull(option, NULL, 10);
880
881 /* compute missing values, prefer sockets over cores over threads */
882 if (smp == 0 || sockets == 0) {
883 sockets = sockets > 0 ? sockets : 1;
884 cores = cores > 0 ? cores : 1;
885 threads = threads > 0 ? threads : 1;
886 if (smp == 0) {
887 smp = cores * threads * sockets;
888 }
889 } else {
890 if (cores == 0) {
891 threads = threads > 0 ? threads : 1;
892 cores = smp / (sockets * threads);
893 } else {
894 threads = smp / (cores * sockets);
895 }
896 }
897 smp_cpus = smp;
898 smp_cores = cores > 0 ? cores : 1;
899 smp_threads = threads > 0 ? threads : 1;
900 if (max_cpus == 0)
901 max_cpus = smp_cpus;
902 }
903
904 /***********************************************************/
905 /* USB devices */
906
907 static int usb_device_add(const char *devname)
908 {
909 const char *p;
910 USBDevice *dev = NULL;
911
912 if (!usb_enabled)
913 return -1;
914
915 /* drivers with .usbdevice_name entry in USBDeviceInfo */
916 dev = usbdevice_create(devname);
917 if (dev)
918 goto done;
919
920 /* the other ones */
921 if (strstart(devname, "host:", &p)) {
922 dev = usb_host_device_open(p);
923 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
924 dev = usb_bt_init(devname[2] ? hci_init(p) :
925 bt_new_hci(qemu_find_bt_vlan(0)));
926 } else {
927 return -1;
928 }
929 if (!dev)
930 return -1;
931
932 done:
933 return 0;
934 }
935
936 static int usb_device_del(const char *devname)
937 {
938 int bus_num, addr;
939 const char *p;
940
941 if (strstart(devname, "host:", &p))
942 return usb_host_device_close(p);
943
944 if (!usb_enabled)
945 return -1;
946
947 p = strchr(devname, '.');
948 if (!p)
949 return -1;
950 bus_num = strtoul(devname, NULL, 0);
951 addr = strtoul(p + 1, NULL, 0);
952
953 return usb_device_delete_addr(bus_num, addr);
954 }
955
956 static int usb_parse(const char *cmdline)
957 {
958 int r;
959 r = usb_device_add(cmdline);
960 if (r < 0) {
961 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
962 }
963 return r;
964 }
965
966 void do_usb_add(Monitor *mon, const QDict *qdict)
967 {
968 const char *devname = qdict_get_str(qdict, "devname");
969 if (usb_device_add(devname) < 0) {
970 error_report("could not add USB device '%s'", devname);
971 }
972 }
973
974 void do_usb_del(Monitor *mon, const QDict *qdict)
975 {
976 const char *devname = qdict_get_str(qdict, "devname");
977 if (usb_device_del(devname) < 0) {
978 error_report("could not delete USB device '%s'", devname);
979 }
980 }
981
982 /***********************************************************/
983 /* PCMCIA/Cardbus */
984
985 static struct pcmcia_socket_entry_s {
986 PCMCIASocket *socket;
987 struct pcmcia_socket_entry_s *next;
988 } *pcmcia_sockets = 0;
989
990 void pcmcia_socket_register(PCMCIASocket *socket)
991 {
992 struct pcmcia_socket_entry_s *entry;
993
994 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
995 entry->socket = socket;
996 entry->next = pcmcia_sockets;
997 pcmcia_sockets = entry;
998 }
999
1000 void pcmcia_socket_unregister(PCMCIASocket *socket)
1001 {
1002 struct pcmcia_socket_entry_s *entry, **ptr;
1003
1004 ptr = &pcmcia_sockets;
1005 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1006 if (entry->socket == socket) {
1007 *ptr = entry->next;
1008 qemu_free(entry);
1009 }
1010 }
1011
1012 void pcmcia_info(Monitor *mon)
1013 {
1014 struct pcmcia_socket_entry_s *iter;
1015
1016 if (!pcmcia_sockets)
1017 monitor_printf(mon, "No PCMCIA sockets\n");
1018
1019 for (iter = pcmcia_sockets; iter; iter = iter->next)
1020 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1021 iter->socket->attached ? iter->socket->card_string :
1022 "Empty");
1023 }
1024
1025 /***********************************************************/
1026 /* machine registration */
1027
1028 static QEMUMachine *first_machine = NULL;
1029 QEMUMachine *current_machine = NULL;
1030
1031 int qemu_register_machine(QEMUMachine *m)
1032 {
1033 QEMUMachine **pm;
1034 pm = &first_machine;
1035 while (*pm != NULL)
1036 pm = &(*pm)->next;
1037 m->next = NULL;
1038 *pm = m;
1039 return 0;
1040 }
1041
1042 static QEMUMachine *find_machine(const char *name)
1043 {
1044 QEMUMachine *m;
1045
1046 for(m = first_machine; m != NULL; m = m->next) {
1047 if (!strcmp(m->name, name))
1048 return m;
1049 if (m->alias && !strcmp(m->alias, name))
1050 return m;
1051 }
1052 return NULL;
1053 }
1054
1055 static QEMUMachine *find_default_machine(void)
1056 {
1057 QEMUMachine *m;
1058
1059 for(m = first_machine; m != NULL; m = m->next) {
1060 if (m->is_default) {
1061 return m;
1062 }
1063 }
1064 return NULL;
1065 }
1066
1067 /***********************************************************/
1068 /* main execution loop */
1069
1070 static void gui_update(void *opaque)
1071 {
1072 uint64_t interval = GUI_REFRESH_INTERVAL;
1073 DisplayState *ds = opaque;
1074 DisplayChangeListener *dcl = ds->listeners;
1075
1076 qemu_flush_coalesced_mmio_buffer();
1077 dpy_refresh(ds);
1078
1079 while (dcl != NULL) {
1080 if (dcl->gui_timer_interval &&
1081 dcl->gui_timer_interval < interval)
1082 interval = dcl->gui_timer_interval;
1083 dcl = dcl->next;
1084 }
1085 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1086 }
1087
1088 static void nographic_update(void *opaque)
1089 {
1090 uint64_t interval = GUI_REFRESH_INTERVAL;
1091
1092 qemu_flush_coalesced_mmio_buffer();
1093 qemu_mod_timer(nographic_timer, interval + qemu_get_clock_ms(rt_clock));
1094 }
1095
1096 struct vm_change_state_entry {
1097 VMChangeStateHandler *cb;
1098 void *opaque;
1099 QLIST_ENTRY (vm_change_state_entry) entries;
1100 };
1101
1102 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1103
1104 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1105 void *opaque)
1106 {
1107 VMChangeStateEntry *e;
1108
1109 e = qemu_mallocz(sizeof (*e));
1110
1111 e->cb = cb;
1112 e->opaque = opaque;
1113 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1114 return e;
1115 }
1116
1117 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1118 {
1119 QLIST_REMOVE (e, entries);
1120 qemu_free (e);
1121 }
1122
1123 void vm_state_notify(int running, int reason)
1124 {
1125 VMChangeStateEntry *e;
1126
1127 trace_vm_state_notify(running, reason);
1128
1129 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1130 e->cb(e->opaque, running, reason);
1131 }
1132 }
1133
1134 void vm_start(void)
1135 {
1136 if (!vm_running) {
1137 cpu_enable_ticks();
1138 vm_running = 1;
1139 vm_state_notify(1, 0);
1140 resume_all_vcpus();
1141 monitor_protocol_event(QEVENT_RESUME, NULL);
1142 }
1143 }
1144
1145 /* reset/shutdown handler */
1146
1147 typedef struct QEMUResetEntry {
1148 QTAILQ_ENTRY(QEMUResetEntry) entry;
1149 QEMUResetHandler *func;
1150 void *opaque;
1151 } QEMUResetEntry;
1152
1153 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1154 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1155 static int reset_requested;
1156 static int shutdown_requested, shutdown_signal = -1;
1157 static pid_t shutdown_pid;
1158 static int powerdown_requested;
1159 static int debug_requested;
1160 static int vmstop_requested;
1161
1162 int qemu_shutdown_requested(void)
1163 {
1164 int r = shutdown_requested;
1165 shutdown_requested = 0;
1166 return r;
1167 }
1168
1169 void qemu_kill_report(void)
1170 {
1171 if (shutdown_signal != -1) {
1172 fprintf(stderr, "Got signal %d from pid %d\n",
1173 shutdown_signal, shutdown_pid);
1174 shutdown_signal = -1;
1175 }
1176 }
1177
1178 int qemu_reset_requested(void)
1179 {
1180 int r = reset_requested;
1181 reset_requested = 0;
1182 return r;
1183 }
1184
1185 int qemu_powerdown_requested(void)
1186 {
1187 int r = powerdown_requested;
1188 powerdown_requested = 0;
1189 return r;
1190 }
1191
1192 static int qemu_debug_requested(void)
1193 {
1194 int r = debug_requested;
1195 debug_requested = 0;
1196 return r;
1197 }
1198
1199 static int qemu_vmstop_requested(void)
1200 {
1201 int r = vmstop_requested;
1202 vmstop_requested = 0;
1203 return r;
1204 }
1205
1206 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1207 {
1208 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1209
1210 re->func = func;
1211 re->opaque = opaque;
1212 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1213 }
1214
1215 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1216 {
1217 QEMUResetEntry *re;
1218
1219 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1220 if (re->func == func && re->opaque == opaque) {
1221 QTAILQ_REMOVE(&reset_handlers, re, entry);
1222 qemu_free(re);
1223 return;
1224 }
1225 }
1226 }
1227
1228 void qemu_system_reset(void)
1229 {
1230 QEMUResetEntry *re, *nre;
1231
1232 /* reset all devices */
1233 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1234 re->func(re->opaque);
1235 }
1236 monitor_protocol_event(QEVENT_RESET, NULL);
1237 cpu_synchronize_all_post_reset();
1238 }
1239
1240 void qemu_system_reset_request(void)
1241 {
1242 if (no_reboot) {
1243 shutdown_requested = 1;
1244 } else {
1245 reset_requested = 1;
1246 }
1247 cpu_stop_current();
1248 qemu_notify_event();
1249 }
1250
1251 void qemu_system_killed(int signal, pid_t pid)
1252 {
1253 shutdown_signal = signal;
1254 shutdown_pid = pid;
1255 qemu_system_shutdown_request();
1256 }
1257
1258 void qemu_system_shutdown_request(void)
1259 {
1260 shutdown_requested = 1;
1261 qemu_notify_event();
1262 }
1263
1264 void qemu_system_powerdown_request(void)
1265 {
1266 powerdown_requested = 1;
1267 qemu_notify_event();
1268 }
1269
1270 void qemu_system_debug_request(void)
1271 {
1272 debug_requested = 1;
1273 qemu_notify_event();
1274 }
1275
1276 void qemu_system_vmstop_request(int reason)
1277 {
1278 vmstop_requested = reason;
1279 qemu_notify_event();
1280 }
1281
1282 void main_loop_wait(int nonblocking)
1283 {
1284 fd_set rfds, wfds, xfds;
1285 int ret, nfds;
1286 struct timeval tv;
1287 int timeout;
1288
1289 if (nonblocking)
1290 timeout = 0;
1291 else {
1292 timeout = qemu_calculate_timeout();
1293 qemu_bh_update_timeout(&timeout);
1294 }
1295
1296 os_host_main_loop_wait(&timeout);
1297
1298 tv.tv_sec = timeout / 1000;
1299 tv.tv_usec = (timeout % 1000) * 1000;
1300
1301 /* poll any events */
1302 /* XXX: separate device handlers from system ones */
1303 nfds = -1;
1304 FD_ZERO(&rfds);
1305 FD_ZERO(&wfds);
1306 FD_ZERO(&xfds);
1307 qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1308 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1309
1310 qemu_mutex_unlock_iothread();
1311 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1312 qemu_mutex_lock_iothread();
1313
1314 qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1315 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1316
1317 qemu_run_all_timers();
1318
1319 /* Check bottom-halves last in case any of the earlier events triggered
1320 them. */
1321 qemu_bh_poll();
1322
1323 }
1324
1325 #ifndef CONFIG_IOTHREAD
1326 static int vm_request_pending(void)
1327 {
1328 return powerdown_requested ||
1329 reset_requested ||
1330 shutdown_requested ||
1331 debug_requested ||
1332 vmstop_requested;
1333 }
1334 #endif
1335
1336 qemu_irq qemu_system_powerdown;
1337
1338 static void main_loop(void)
1339 {
1340 bool nonblocking = false;
1341 #ifdef CONFIG_PROFILER
1342 int64_t ti;
1343 #endif
1344 int r;
1345
1346 qemu_main_loop_start();
1347
1348 for (;;) {
1349 #ifndef CONFIG_IOTHREAD
1350 nonblocking = cpu_exec_all();
1351 if (vm_request_pending()) {
1352 nonblocking = true;
1353 }
1354 #endif
1355 #ifdef CONFIG_PROFILER
1356 ti = profile_getclock();
1357 #endif
1358 main_loop_wait(nonblocking);
1359 #ifdef CONFIG_PROFILER
1360 dev_time += profile_getclock() - ti;
1361 #endif
1362
1363 if (qemu_debug_requested()) {
1364 vm_stop(VMSTOP_DEBUG);
1365 }
1366 if (qemu_shutdown_requested()) {
1367 qemu_kill_report();
1368 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1369 if (no_shutdown) {
1370 vm_stop(VMSTOP_SHUTDOWN);
1371 no_shutdown = 0;
1372 } else
1373 break;
1374 }
1375 if (qemu_reset_requested()) {
1376 pause_all_vcpus();
1377 cpu_synchronize_all_states();
1378 qemu_system_reset();
1379 resume_all_vcpus();
1380 }
1381 if (qemu_powerdown_requested()) {
1382 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1383 qemu_irq_raise(qemu_system_powerdown);
1384 }
1385 if ((r = qemu_vmstop_requested())) {
1386 vm_stop(r);
1387 }
1388 }
1389 bdrv_close_all();
1390 pause_all_vcpus();
1391 }
1392
1393 static void version(void)
1394 {
1395 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1396 }
1397
1398 static void help(int exitcode)
1399 {
1400 const char *options_help =
1401 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1402 opt_help
1403 #define DEFHEADING(text) stringify(text) "\n"
1404 #include "qemu-options.def"
1405 #undef DEF
1406 #undef DEFHEADING
1407 #undef GEN_DOCS
1408 ;
1409 version();
1410 printf("usage: %s [options] [disk_image]\n"
1411 "\n"
1412 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1413 "\n"
1414 "%s\n"
1415 "During emulation, the following keys are useful:\n"
1416 "ctrl-alt-f toggle full screen\n"
1417 "ctrl-alt-n switch to virtual console 'n'\n"
1418 "ctrl-alt toggle mouse and keyboard grab\n"
1419 "\n"
1420 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1421 "qemu",
1422 options_help);
1423 exit(exitcode);
1424 }
1425
1426 #define HAS_ARG 0x0001
1427
1428 typedef struct QEMUOption {
1429 const char *name;
1430 int flags;
1431 int index;
1432 uint32_t arch_mask;
1433 } QEMUOption;
1434
1435 static const QEMUOption qemu_options[] = {
1436 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1437 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1438 { option, opt_arg, opt_enum, arch_mask },
1439 #define DEFHEADING(text)
1440 #include "qemu-options.def"
1441 #undef DEF
1442 #undef DEFHEADING
1443 #undef GEN_DOCS
1444 { NULL },
1445 };
1446 static void select_vgahw (const char *p)
1447 {
1448 const char *opts;
1449
1450 default_vga = 0;
1451 vga_interface_type = VGA_NONE;
1452 if (strstart(p, "std", &opts)) {
1453 vga_interface_type = VGA_STD;
1454 } else if (strstart(p, "cirrus", &opts)) {
1455 vga_interface_type = VGA_CIRRUS;
1456 } else if (strstart(p, "vmware", &opts)) {
1457 vga_interface_type = VGA_VMWARE;
1458 } else if (strstart(p, "xenfb", &opts)) {
1459 vga_interface_type = VGA_XENFB;
1460 } else if (strstart(p, "qxl", &opts)) {
1461 vga_interface_type = VGA_QXL;
1462 } else if (!strstart(p, "none", &opts)) {
1463 invalid_vga:
1464 fprintf(stderr, "Unknown vga type: %s\n", p);
1465 exit(1);
1466 }
1467 while (*opts) {
1468 const char *nextopt;
1469
1470 if (strstart(opts, ",retrace=", &nextopt)) {
1471 opts = nextopt;
1472 if (strstart(opts, "dumb", &nextopt))
1473 vga_retrace_method = VGA_RETRACE_DUMB;
1474 else if (strstart(opts, "precise", &nextopt))
1475 vga_retrace_method = VGA_RETRACE_PRECISE;
1476 else goto invalid_vga;
1477 } else goto invalid_vga;
1478 opts = nextopt;
1479 }
1480 }
1481
1482 static DisplayType select_display(const char *p)
1483 {
1484 const char *opts;
1485 DisplayType display = DT_DEFAULT;
1486
1487 if (strstart(p, "sdl", &opts)) {
1488 #ifdef CONFIG_SDL
1489 display = DT_SDL;
1490 while (*opts) {
1491 const char *nextopt;
1492
1493 if (strstart(opts, ",frame=", &nextopt)) {
1494 opts = nextopt;
1495 if (strstart(opts, "on", &nextopt)) {
1496 no_frame = 0;
1497 } else if (strstart(opts, "off", &nextopt)) {
1498 no_frame = 1;
1499 } else {
1500 goto invalid_sdl_args;
1501 }
1502 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1503 opts = nextopt;
1504 if (strstart(opts, "on", &nextopt)) {
1505 alt_grab = 1;
1506 } else if (strstart(opts, "off", &nextopt)) {
1507 alt_grab = 0;
1508 } else {
1509 goto invalid_sdl_args;
1510 }
1511 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1512 opts = nextopt;
1513 if (strstart(opts, "on", &nextopt)) {
1514 ctrl_grab = 1;
1515 } else if (strstart(opts, "off", &nextopt)) {
1516 ctrl_grab = 0;
1517 } else {
1518 goto invalid_sdl_args;
1519 }
1520 } else if (strstart(opts, ",window_close=", &nextopt)) {
1521 opts = nextopt;
1522 if (strstart(opts, "on", &nextopt)) {
1523 no_quit = 0;
1524 } else if (strstart(opts, "off", &nextopt)) {
1525 no_quit = 1;
1526 } else {
1527 goto invalid_sdl_args;
1528 }
1529 } else {
1530 invalid_sdl_args:
1531 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1532 exit(1);
1533 }
1534 opts = nextopt;
1535 }
1536 #else
1537 fprintf(stderr, "SDL support is disabled\n");
1538 exit(1);
1539 #endif
1540 } else if (strstart(p, "vnc", &opts)) {
1541 #ifdef CONFIG_VNC
1542 display_remote++;
1543
1544 if (*opts) {
1545 const char *nextopt;
1546
1547 if (strstart(opts, "=", &nextopt)) {
1548 vnc_display = nextopt;
1549 }
1550 }
1551 if (!vnc_display) {
1552 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1553 exit(1);
1554 }
1555 #else
1556 fprintf(stderr, "VNC support is disabled\n");
1557 exit(1);
1558 #endif
1559 } else if (strstart(p, "curses", &opts)) {
1560 #ifdef CONFIG_CURSES
1561 display = DT_CURSES;
1562 #else
1563 fprintf(stderr, "Curses support is disabled\n");
1564 exit(1);
1565 #endif
1566 } else if (strstart(p, "none", &opts)) {
1567 display = DT_NONE;
1568 } else {
1569 fprintf(stderr, "Unknown display type: %s\n", p);
1570 exit(1);
1571 }
1572
1573 return display;
1574 }
1575
1576 static int balloon_parse(const char *arg)
1577 {
1578 QemuOpts *opts;
1579
1580 if (strcmp(arg, "none") == 0) {
1581 return 0;
1582 }
1583
1584 if (!strncmp(arg, "virtio", 6)) {
1585 if (arg[6] == ',') {
1586 /* have params -> parse them */
1587 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1588 if (!opts)
1589 return -1;
1590 } else {
1591 /* create empty opts */
1592 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1593 }
1594 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1595 return 0;
1596 }
1597
1598 return -1;
1599 }
1600
1601 char *qemu_find_file(int type, const char *name)
1602 {
1603 int len;
1604 const char *subdir;
1605 char *buf;
1606
1607 /* If name contains path separators then try it as a straight path. */
1608 if ((strchr(name, '/') || strchr(name, '\\'))
1609 && access(name, R_OK) == 0) {
1610 return qemu_strdup(name);
1611 }
1612 switch (type) {
1613 case QEMU_FILE_TYPE_BIOS:
1614 subdir = "";
1615 break;
1616 case QEMU_FILE_TYPE_KEYMAP:
1617 subdir = "keymaps/";
1618 break;
1619 default:
1620 abort();
1621 }
1622 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1623 buf = qemu_mallocz(len);
1624 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1625 if (access(buf, R_OK)) {
1626 qemu_free(buf);
1627 return NULL;
1628 }
1629 return buf;
1630 }
1631
1632 static int device_help_func(QemuOpts *opts, void *opaque)
1633 {
1634 return qdev_device_help(opts);
1635 }
1636
1637 static int device_init_func(QemuOpts *opts, void *opaque)
1638 {
1639 DeviceState *dev;
1640
1641 dev = qdev_device_add(opts);
1642 if (!dev)
1643 return -1;
1644 return 0;
1645 }
1646
1647 static int chardev_init_func(QemuOpts *opts, void *opaque)
1648 {
1649 CharDriverState *chr;
1650
1651 chr = qemu_chr_open_opts(opts, NULL);
1652 if (!chr)
1653 return -1;
1654 return 0;
1655 }
1656
1657 #ifdef CONFIG_VIRTFS
1658 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1659 {
1660 int ret;
1661 ret = qemu_fsdev_add(opts);
1662
1663 return ret;
1664 }
1665 #endif
1666
1667 static int mon_init_func(QemuOpts *opts, void *opaque)
1668 {
1669 CharDriverState *chr;
1670 const char *chardev;
1671 const char *mode;
1672 int flags;
1673
1674 mode = qemu_opt_get(opts, "mode");
1675 if (mode == NULL) {
1676 mode = "readline";
1677 }
1678 if (strcmp(mode, "readline") == 0) {
1679 flags = MONITOR_USE_READLINE;
1680 } else if (strcmp(mode, "control") == 0) {
1681 flags = MONITOR_USE_CONTROL;
1682 } else {
1683 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1684 exit(1);
1685 }
1686
1687 if (qemu_opt_get_bool(opts, "pretty", 0))
1688 flags |= MONITOR_USE_PRETTY;
1689
1690 if (qemu_opt_get_bool(opts, "default", 0))
1691 flags |= MONITOR_IS_DEFAULT;
1692
1693 chardev = qemu_opt_get(opts, "chardev");
1694 chr = qemu_chr_find(chardev);
1695 if (chr == NULL) {
1696 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1697 exit(1);
1698 }
1699
1700 monitor_init(chr, flags);
1701 return 0;
1702 }
1703
1704 static void monitor_parse(const char *optarg, const char *mode)
1705 {
1706 static int monitor_device_index = 0;
1707 QemuOpts *opts;
1708 const char *p;
1709 char label[32];
1710 int def = 0;
1711
1712 if (strstart(optarg, "chardev:", &p)) {
1713 snprintf(label, sizeof(label), "%s", p);
1714 } else {
1715 snprintf(label, sizeof(label), "compat_monitor%d",
1716 monitor_device_index);
1717 if (monitor_device_index == 0) {
1718 def = 1;
1719 }
1720 opts = qemu_chr_parse_compat(label, optarg);
1721 if (!opts) {
1722 fprintf(stderr, "parse error: %s\n", optarg);
1723 exit(1);
1724 }
1725 }
1726
1727 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1728 if (!opts) {
1729 fprintf(stderr, "duplicate chardev: %s\n", label);
1730 exit(1);
1731 }
1732 qemu_opt_set(opts, "mode", mode);
1733 qemu_opt_set(opts, "chardev", label);
1734 if (def)
1735 qemu_opt_set(opts, "default", "on");
1736 monitor_device_index++;
1737 }
1738
1739 struct device_config {
1740 enum {
1741 DEV_USB, /* -usbdevice */
1742 DEV_BT, /* -bt */
1743 DEV_SERIAL, /* -serial */
1744 DEV_PARALLEL, /* -parallel */
1745 DEV_VIRTCON, /* -virtioconsole */
1746 DEV_DEBUGCON, /* -debugcon */
1747 } type;
1748 const char *cmdline;
1749 QTAILQ_ENTRY(device_config) next;
1750 };
1751 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1752
1753 static void add_device_config(int type, const char *cmdline)
1754 {
1755 struct device_config *conf;
1756
1757 conf = qemu_mallocz(sizeof(*conf));
1758 conf->type = type;
1759 conf->cmdline = cmdline;
1760 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1761 }
1762
1763 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1764 {
1765 struct device_config *conf;
1766 int rc;
1767
1768 QTAILQ_FOREACH(conf, &device_configs, next) {
1769 if (conf->type != type)
1770 continue;
1771 rc = func(conf->cmdline);
1772 if (0 != rc)
1773 return rc;
1774 }
1775 return 0;
1776 }
1777
1778 static int serial_parse(const char *devname)
1779 {
1780 static int index = 0;
1781 char label[32];
1782
1783 if (strcmp(devname, "none") == 0)
1784 return 0;
1785 if (index == MAX_SERIAL_PORTS) {
1786 fprintf(stderr, "qemu: too many serial ports\n");
1787 exit(1);
1788 }
1789 snprintf(label, sizeof(label), "serial%d", index);
1790 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1791 if (!serial_hds[index]) {
1792 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1793 devname, strerror(errno));
1794 return -1;
1795 }
1796 index++;
1797 return 0;
1798 }
1799
1800 static int parallel_parse(const char *devname)
1801 {
1802 static int index = 0;
1803 char label[32];
1804
1805 if (strcmp(devname, "none") == 0)
1806 return 0;
1807 if (index == MAX_PARALLEL_PORTS) {
1808 fprintf(stderr, "qemu: too many parallel ports\n");
1809 exit(1);
1810 }
1811 snprintf(label, sizeof(label), "parallel%d", index);
1812 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1813 if (!parallel_hds[index]) {
1814 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1815 devname, strerror(errno));
1816 return -1;
1817 }
1818 index++;
1819 return 0;
1820 }
1821
1822 static int virtcon_parse(const char *devname)
1823 {
1824 QemuOptsList *device = qemu_find_opts("device");
1825 static int index = 0;
1826 char label[32];
1827 QemuOpts *bus_opts, *dev_opts;
1828
1829 if (strcmp(devname, "none") == 0)
1830 return 0;
1831 if (index == MAX_VIRTIO_CONSOLES) {
1832 fprintf(stderr, "qemu: too many virtio consoles\n");
1833 exit(1);
1834 }
1835
1836 bus_opts = qemu_opts_create(device, NULL, 0);
1837 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1838
1839 dev_opts = qemu_opts_create(device, NULL, 0);
1840 qemu_opt_set(dev_opts, "driver", "virtconsole");
1841
1842 snprintf(label, sizeof(label), "virtcon%d", index);
1843 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1844 if (!virtcon_hds[index]) {
1845 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1846 devname, strerror(errno));
1847 return -1;
1848 }
1849 qemu_opt_set(dev_opts, "chardev", label);
1850
1851 index++;
1852 return 0;
1853 }
1854
1855 static int debugcon_parse(const char *devname)
1856 {
1857 QemuOpts *opts;
1858
1859 if (!qemu_chr_open("debugcon", devname, NULL)) {
1860 exit(1);
1861 }
1862 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1863 if (!opts) {
1864 fprintf(stderr, "qemu: already have a debugcon device\n");
1865 exit(1);
1866 }
1867 qemu_opt_set(opts, "driver", "isa-debugcon");
1868 qemu_opt_set(opts, "chardev", "debugcon");
1869 return 0;
1870 }
1871
1872 void qemu_add_exit_notifier(Notifier *notify)
1873 {
1874 notifier_list_add(&exit_notifiers, notify);
1875 }
1876
1877 void qemu_remove_exit_notifier(Notifier *notify)
1878 {
1879 notifier_list_remove(&exit_notifiers, notify);
1880 }
1881
1882 static void qemu_run_exit_notifiers(void)
1883 {
1884 notifier_list_notify(&exit_notifiers);
1885 }
1886
1887 void qemu_add_machine_init_done_notifier(Notifier *notify)
1888 {
1889 notifier_list_add(&machine_init_done_notifiers, notify);
1890 }
1891
1892 static void qemu_run_machine_init_done_notifiers(void)
1893 {
1894 notifier_list_notify(&machine_init_done_notifiers);
1895 }
1896
1897 static const QEMUOption *lookup_opt(int argc, char **argv,
1898 const char **poptarg, int *poptind)
1899 {
1900 const QEMUOption *popt;
1901 int optind = *poptind;
1902 char *r = argv[optind];
1903 const char *optarg;
1904
1905 loc_set_cmdline(argv, optind, 1);
1906 optind++;
1907 /* Treat --foo the same as -foo. */
1908 if (r[1] == '-')
1909 r++;
1910 popt = qemu_options;
1911 for(;;) {
1912 if (!popt->name) {
1913 error_report("invalid option");
1914 exit(1);
1915 }
1916 if (!strcmp(popt->name, r + 1))
1917 break;
1918 popt++;
1919 }
1920 if (popt->flags & HAS_ARG) {
1921 if (optind >= argc) {
1922 error_report("requires an argument");
1923 exit(1);
1924 }
1925 optarg = argv[optind++];
1926 loc_set_cmdline(argv, optind - 2, 2);
1927 } else {
1928 optarg = NULL;
1929 }
1930
1931 *poptarg = optarg;
1932 *poptind = optind;
1933
1934 return popt;
1935 }
1936
1937 int main(int argc, char **argv, char **envp)
1938 {
1939 const char *gdbstub_dev = NULL;
1940 int i;
1941 int snapshot, linux_boot;
1942 const char *icount_option = NULL;
1943 const char *initrd_filename;
1944 const char *kernel_filename, *kernel_cmdline;
1945 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1946 DisplayState *ds;
1947 DisplayChangeListener *dcl;
1948 int cyls, heads, secs, translation;
1949 QemuOpts *hda_opts = NULL, *opts;
1950 QemuOptsList *olist;
1951 int optind;
1952 const char *optarg;
1953 const char *loadvm = NULL;
1954 QEMUMachine *machine;
1955 const char *cpu_model;
1956 int tb_size;
1957 const char *pid_file = NULL;
1958 const char *incoming = NULL;
1959 #ifdef CONFIG_VNC
1960 int show_vnc_port = 0;
1961 #endif
1962 int defconfig = 1;
1963 const char *trace_file = NULL;
1964
1965 atexit(qemu_run_exit_notifiers);
1966 error_set_progname(argv[0]);
1967
1968 init_clocks();
1969
1970 qemu_cache_utils_init(envp);
1971
1972 QLIST_INIT (&vm_change_state_head);
1973 os_setup_early_signal_handling();
1974
1975 module_call_init(MODULE_INIT_MACHINE);
1976 machine = find_default_machine();
1977 cpu_model = NULL;
1978 initrd_filename = NULL;
1979 ram_size = 0;
1980 snapshot = 0;
1981 kernel_filename = NULL;
1982 kernel_cmdline = "";
1983 cyls = heads = secs = 0;
1984 translation = BIOS_ATA_TRANSLATION_AUTO;
1985
1986 for (i = 0; i < MAX_NODES; i++) {
1987 node_mem[i] = 0;
1988 node_cpumask[i] = 0;
1989 }
1990
1991 nb_numa_nodes = 0;
1992 nb_nics = 0;
1993
1994 tb_size = 0;
1995 autostart= 1;
1996
1997 /* first pass of option parsing */
1998 optind = 1;
1999 while (optind < argc) {
2000 if (argv[optind][0] != '-') {
2001 /* disk image */
2002 optind++;
2003 continue;
2004 } else {
2005 const QEMUOption *popt;
2006
2007 popt = lookup_opt(argc, argv, &optarg, &optind);
2008 switch (popt->index) {
2009 case QEMU_OPTION_nodefconfig:
2010 defconfig=0;
2011 break;
2012 }
2013 }
2014 }
2015
2016 if (defconfig) {
2017 int ret;
2018
2019 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2020 if (ret < 0 && ret != -ENOENT) {
2021 exit(1);
2022 }
2023
2024 ret = qemu_read_config_file(arch_config_name);
2025 if (ret < 0 && ret != -ENOENT) {
2026 exit(1);
2027 }
2028 }
2029 cpudef_init();
2030
2031 /* second pass of option parsing */
2032 optind = 1;
2033 for(;;) {
2034 if (optind >= argc)
2035 break;
2036 if (argv[optind][0] != '-') {
2037 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2038 } else {
2039 const QEMUOption *popt;
2040
2041 popt = lookup_opt(argc, argv, &optarg, &optind);
2042 if (!(popt->arch_mask & arch_type)) {
2043 printf("Option %s not supported for this target\n", popt->name);
2044 exit(1);
2045 }
2046 switch(popt->index) {
2047 case QEMU_OPTION_M:
2048 machine = find_machine(optarg);
2049 if (!machine) {
2050 QEMUMachine *m;
2051 printf("Supported machines are:\n");
2052 for(m = first_machine; m != NULL; m = m->next) {
2053 if (m->alias)
2054 printf("%-10s %s (alias of %s)\n",
2055 m->alias, m->desc, m->name);
2056 printf("%-10s %s%s\n",
2057 m->name, m->desc,
2058 m->is_default ? " (default)" : "");
2059 }
2060 exit(*optarg != '?');
2061 }
2062 break;
2063 case QEMU_OPTION_cpu:
2064 /* hw initialization will check this */
2065 if (*optarg == '?') {
2066 list_cpus(stdout, &fprintf, optarg);
2067 exit(0);
2068 } else {
2069 cpu_model = optarg;
2070 }
2071 break;
2072 case QEMU_OPTION_initrd:
2073 initrd_filename = optarg;
2074 break;
2075 case QEMU_OPTION_hda:
2076 {
2077 char buf[256];
2078 if (cyls == 0)
2079 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2080 else
2081 snprintf(buf, sizeof(buf),
2082 "%s,cyls=%d,heads=%d,secs=%d%s",
2083 HD_OPTS , cyls, heads, secs,
2084 translation == BIOS_ATA_TRANSLATION_LBA ?
2085 ",trans=lba" :
2086 translation == BIOS_ATA_TRANSLATION_NONE ?
2087 ",trans=none" : "");
2088 drive_add(IF_DEFAULT, 0, optarg, buf);
2089 break;
2090 }
2091 case QEMU_OPTION_hdb:
2092 case QEMU_OPTION_hdc:
2093 case QEMU_OPTION_hdd:
2094 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2095 HD_OPTS);
2096 break;
2097 case QEMU_OPTION_drive:
2098 drive_def(optarg);
2099 break;
2100 case QEMU_OPTION_set:
2101 if (qemu_set_option(optarg) != 0)
2102 exit(1);
2103 break;
2104 case QEMU_OPTION_global:
2105 if (qemu_global_option(optarg) != 0)
2106 exit(1);
2107 break;
2108 case QEMU_OPTION_mtdblock:
2109 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2110 break;
2111 case QEMU_OPTION_sd:
2112 drive_add(IF_SD, 0, optarg, SD_OPTS);
2113 break;
2114 case QEMU_OPTION_pflash:
2115 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2116 break;
2117 case QEMU_OPTION_snapshot:
2118 snapshot = 1;
2119 break;
2120 case QEMU_OPTION_hdachs:
2121 {
2122 const char *p;
2123 p = optarg;
2124 cyls = strtol(p, (char **)&p, 0);
2125 if (cyls < 1 || cyls > 16383)
2126 goto chs_fail;
2127 if (*p != ',')
2128 goto chs_fail;
2129 p++;
2130 heads = strtol(p, (char **)&p, 0);
2131 if (heads < 1 || heads > 16)
2132 goto chs_fail;
2133 if (*p != ',')
2134 goto chs_fail;
2135 p++;
2136 secs = strtol(p, (char **)&p, 0);
2137 if (secs < 1 || secs > 63)
2138 goto chs_fail;
2139 if (*p == ',') {
2140 p++;
2141 if (!strcmp(p, "none"))
2142 translation = BIOS_ATA_TRANSLATION_NONE;
2143 else if (!strcmp(p, "lba"))
2144 translation = BIOS_ATA_TRANSLATION_LBA;
2145 else if (!strcmp(p, "auto"))
2146 translation = BIOS_ATA_TRANSLATION_AUTO;
2147 else
2148 goto chs_fail;
2149 } else if (*p != '\0') {
2150 chs_fail:
2151 fprintf(stderr, "qemu: invalid physical CHS format\n");
2152 exit(1);
2153 }
2154 if (hda_opts != NULL) {
2155 char num[16];
2156 snprintf(num, sizeof(num), "%d", cyls);
2157 qemu_opt_set(hda_opts, "cyls", num);
2158 snprintf(num, sizeof(num), "%d", heads);
2159 qemu_opt_set(hda_opts, "heads", num);
2160 snprintf(num, sizeof(num), "%d", secs);
2161 qemu_opt_set(hda_opts, "secs", num);
2162 if (translation == BIOS_ATA_TRANSLATION_LBA)
2163 qemu_opt_set(hda_opts, "trans", "lba");
2164 if (translation == BIOS_ATA_TRANSLATION_NONE)
2165 qemu_opt_set(hda_opts, "trans", "none");
2166 }
2167 }
2168 break;
2169 case QEMU_OPTION_numa:
2170 if (nb_numa_nodes >= MAX_NODES) {
2171 fprintf(stderr, "qemu: too many NUMA nodes\n");
2172 exit(1);
2173 }
2174 numa_add(optarg);
2175 break;
2176 case QEMU_OPTION_display:
2177 display_type = select_display(optarg);
2178 break;
2179 case QEMU_OPTION_nographic:
2180 display_type = DT_NOGRAPHIC;
2181 break;
2182 case QEMU_OPTION_curses:
2183 #ifdef CONFIG_CURSES
2184 display_type = DT_CURSES;
2185 #else
2186 fprintf(stderr, "Curses support is disabled\n");
2187 exit(1);
2188 #endif
2189 break;
2190 case QEMU_OPTION_portrait:
2191 graphic_rotate = 1;
2192 break;
2193 case QEMU_OPTION_kernel:
2194 kernel_filename = optarg;
2195 break;
2196 case QEMU_OPTION_append:
2197 kernel_cmdline = optarg;
2198 break;
2199 case QEMU_OPTION_cdrom:
2200 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2201 break;
2202 case QEMU_OPTION_boot:
2203 {
2204 static const char * const params[] = {
2205 "order", "once", "menu", NULL
2206 };
2207 char buf[sizeof(boot_devices)];
2208 char *standard_boot_devices;
2209 int legacy = 0;
2210
2211 if (!strchr(optarg, '=')) {
2212 legacy = 1;
2213 pstrcpy(buf, sizeof(buf), optarg);
2214 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2215 fprintf(stderr,
2216 "qemu: unknown boot parameter '%s' in '%s'\n",
2217 buf, optarg);
2218 exit(1);
2219 }
2220
2221 if (legacy ||
2222 get_param_value(buf, sizeof(buf), "order", optarg)) {
2223 validate_bootdevices(buf);
2224 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2225 }
2226 if (!legacy) {
2227 if (get_param_value(buf, sizeof(buf),
2228 "once", optarg)) {
2229 validate_bootdevices(buf);
2230 standard_boot_devices = qemu_strdup(boot_devices);
2231 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2232 qemu_register_reset(restore_boot_devices,
2233 standard_boot_devices);
2234 }
2235 if (get_param_value(buf, sizeof(buf),
2236 "menu", optarg)) {
2237 if (!strcmp(buf, "on")) {
2238 boot_menu = 1;
2239 } else if (!strcmp(buf, "off")) {
2240 boot_menu = 0;
2241 } else {
2242 fprintf(stderr,
2243 "qemu: invalid option value '%s'\n",
2244 buf);
2245 exit(1);
2246 }
2247 }
2248 }
2249 }
2250 break;
2251 case QEMU_OPTION_fda:
2252 case QEMU_OPTION_fdb:
2253 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2254 optarg, FD_OPTS);
2255 break;
2256 case QEMU_OPTION_no_fd_bootchk:
2257 fd_bootchk = 0;
2258 break;
2259 case QEMU_OPTION_netdev:
2260 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2261 exit(1);
2262 }
2263 break;
2264 case QEMU_OPTION_net:
2265 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2266 exit(1);
2267 }
2268 break;
2269 #ifdef CONFIG_SLIRP
2270 case QEMU_OPTION_tftp:
2271 legacy_tftp_prefix = optarg;
2272 break;
2273 case QEMU_OPTION_bootp:
2274 legacy_bootp_filename = optarg;
2275 break;
2276 case QEMU_OPTION_redir:
2277 if (net_slirp_redir(optarg) < 0)
2278 exit(1);
2279 break;
2280 #endif
2281 case QEMU_OPTION_bt:
2282 add_device_config(DEV_BT, optarg);
2283 break;
2284 case QEMU_OPTION_audio_help:
2285 if (!(audio_available())) {
2286 printf("Option %s not supported for this target\n", popt->name);
2287 exit(1);
2288 }
2289 AUD_help ();
2290 exit (0);
2291 break;
2292 case QEMU_OPTION_soundhw:
2293 if (!(audio_available())) {
2294 printf("Option %s not supported for this target\n", popt->name);
2295 exit(1);
2296 }
2297 select_soundhw (optarg);
2298 break;
2299 case QEMU_OPTION_h:
2300 help(0);
2301 break;
2302 case QEMU_OPTION_version:
2303 version();
2304 exit(0);
2305 break;
2306 case QEMU_OPTION_m: {
2307 int64_t value;
2308
2309 value = strtosz(optarg, NULL);
2310 if (value < 0) {
2311 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2312 exit(1);
2313 }
2314
2315 /* On 32-bit hosts, QEMU is limited by virtual address space */
2316 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2317 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2318 exit(1);
2319 }
2320 if (value != (uint64_t)(ram_addr_t)value) {
2321 fprintf(stderr, "qemu: ram size too large\n");
2322 exit(1);
2323 }
2324 ram_size = value;
2325 break;
2326 }
2327 case QEMU_OPTION_mempath:
2328 mem_path = optarg;
2329 break;
2330 #ifdef MAP_POPULATE
2331 case QEMU_OPTION_mem_prealloc:
2332 mem_prealloc = 1;
2333 break;
2334 #endif
2335 case QEMU_OPTION_d:
2336 set_cpu_log(optarg);
2337 break;
2338 case QEMU_OPTION_s:
2339 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2340 break;
2341 case QEMU_OPTION_gdb:
2342 gdbstub_dev = optarg;
2343 break;
2344 case QEMU_OPTION_L:
2345 data_dir = optarg;
2346 break;
2347 case QEMU_OPTION_bios:
2348 bios_name = optarg;
2349 break;
2350 case QEMU_OPTION_singlestep:
2351 singlestep = 1;
2352 break;
2353 case QEMU_OPTION_S:
2354 autostart = 0;
2355 break;
2356 case QEMU_OPTION_k:
2357 keyboard_layout = optarg;
2358 break;
2359 case QEMU_OPTION_localtime:
2360 rtc_utc = 0;
2361 break;
2362 case QEMU_OPTION_vga:
2363 select_vgahw (optarg);
2364 break;
2365 case QEMU_OPTION_g:
2366 {
2367 const char *p;
2368 int w, h, depth;
2369 p = optarg;
2370 w = strtol(p, (char **)&p, 10);
2371 if (w <= 0) {
2372 graphic_error:
2373 fprintf(stderr, "qemu: invalid resolution or depth\n");
2374 exit(1);
2375 }
2376 if (*p != 'x')
2377 goto graphic_error;
2378 p++;
2379 h = strtol(p, (char **)&p, 10);
2380 if (h <= 0)
2381 goto graphic_error;
2382 if (*p == 'x') {
2383 p++;
2384 depth = strtol(p, (char **)&p, 10);
2385 if (depth != 8 && depth != 15 && depth != 16 &&
2386 depth != 24 && depth != 32)
2387 goto graphic_error;
2388 } else if (*p == '\0') {
2389 depth = graphic_depth;
2390 } else {
2391 goto graphic_error;
2392 }
2393
2394 graphic_width = w;
2395 graphic_height = h;
2396 graphic_depth = depth;
2397 }
2398 break;
2399 case QEMU_OPTION_echr:
2400 {
2401 char *r;
2402 term_escape_char = strtol(optarg, &r, 0);
2403 if (r == optarg)
2404 printf("Bad argument to echr\n");
2405 break;
2406 }
2407 case QEMU_OPTION_monitor:
2408 monitor_parse(optarg, "readline");
2409 default_monitor = 0;
2410 break;
2411 case QEMU_OPTION_qmp:
2412 monitor_parse(optarg, "control");
2413 default_monitor = 0;
2414 break;
2415 case QEMU_OPTION_mon:
2416 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2417 if (!opts) {
2418 exit(1);
2419 }
2420 default_monitor = 0;
2421 break;
2422 case QEMU_OPTION_chardev:
2423 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2424 if (!opts) {
2425 exit(1);
2426 }
2427 break;
2428 case QEMU_OPTION_fsdev:
2429 olist = qemu_find_opts("fsdev");
2430 if (!olist) {
2431 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2432 exit(1);
2433 }
2434 opts = qemu_opts_parse(olist, optarg, 1);
2435 if (!opts) {
2436 fprintf(stderr, "parse error: %s\n", optarg);
2437 exit(1);
2438 }
2439 break;
2440 case QEMU_OPTION_virtfs: {
2441 char *arg_fsdev = NULL;
2442 char *arg_9p = NULL;
2443 int len = 0;
2444
2445 olist = qemu_find_opts("virtfs");
2446 if (!olist) {
2447 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2448 exit(1);
2449 }
2450 opts = qemu_opts_parse(olist, optarg, 1);
2451 if (!opts) {
2452 fprintf(stderr, "parse error: %s\n", optarg);
2453 exit(1);
2454 }
2455
2456 if (qemu_opt_get(opts, "fstype") == NULL ||
2457 qemu_opt_get(opts, "mount_tag") == NULL ||
2458 qemu_opt_get(opts, "path") == NULL ||
2459 qemu_opt_get(opts, "security_model") == NULL) {
2460 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2461 "security_model=[mapped|passthrough|none],"
2462 "mnt_tag=tag.\n");
2463 exit(1);
2464 }
2465
2466 len = strlen(",id=,path=,security_model=");
2467 len += strlen(qemu_opt_get(opts, "fstype"));
2468 len += strlen(qemu_opt_get(opts, "mount_tag"));
2469 len += strlen(qemu_opt_get(opts, "path"));
2470 len += strlen(qemu_opt_get(opts, "security_model"));
2471 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2472
2473 snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev),
2474 "%s,id=%s,path=%s,security_model=%s",
2475 qemu_opt_get(opts, "fstype"),
2476 qemu_opt_get(opts, "mount_tag"),
2477 qemu_opt_get(opts, "path"),
2478 qemu_opt_get(opts, "security_model"));
2479
2480 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2481 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2482 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2483
2484 snprintf(arg_9p, (len + 1) * sizeof(*arg_9p),
2485 "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2486 qemu_opt_get(opts, "mount_tag"),
2487 qemu_opt_get(opts, "mount_tag"));
2488
2489 if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
2490 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2491 exit(1);
2492 }
2493
2494 if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
2495 fprintf(stderr, "parse error [device]: %s\n", optarg);
2496 exit(1);
2497 }
2498
2499 qemu_free(arg_fsdev);
2500 qemu_free(arg_9p);
2501 break;
2502 }
2503 case QEMU_OPTION_serial:
2504 add_device_config(DEV_SERIAL, optarg);
2505 default_serial = 0;
2506 if (strncmp(optarg, "mon:", 4) == 0) {
2507 default_monitor = 0;
2508 }
2509 break;
2510 case QEMU_OPTION_watchdog:
2511 if (watchdog) {
2512 fprintf(stderr,
2513 "qemu: only one watchdog option may be given\n");
2514 return 1;
2515 }
2516 watchdog = optarg;
2517 break;
2518 case QEMU_OPTION_watchdog_action:
2519 if (select_watchdog_action(optarg) == -1) {
2520 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2521 exit(1);
2522 }
2523 break;
2524 case QEMU_OPTION_virtiocon:
2525 add_device_config(DEV_VIRTCON, optarg);
2526 default_virtcon = 0;
2527 if (strncmp(optarg, "mon:", 4) == 0) {
2528 default_monitor = 0;
2529 }
2530 break;
2531 case QEMU_OPTION_parallel:
2532 add_device_config(DEV_PARALLEL, optarg);
2533 default_parallel = 0;
2534 if (strncmp(optarg, "mon:", 4) == 0) {
2535 default_monitor = 0;
2536 }
2537 break;
2538 case QEMU_OPTION_debugcon:
2539 add_device_config(DEV_DEBUGCON, optarg);
2540 break;
2541 case QEMU_OPTION_loadvm:
2542 loadvm = optarg;
2543 break;
2544 case QEMU_OPTION_full_screen:
2545 full_screen = 1;
2546 break;
2547 #ifdef CONFIG_SDL
2548 case QEMU_OPTION_no_frame:
2549 no_frame = 1;
2550 break;
2551 case QEMU_OPTION_alt_grab:
2552 alt_grab = 1;
2553 break;
2554 case QEMU_OPTION_ctrl_grab:
2555 ctrl_grab = 1;
2556 break;
2557 case QEMU_OPTION_no_quit:
2558 no_quit = 1;
2559 break;
2560 case QEMU_OPTION_sdl:
2561 display_type = DT_SDL;
2562 break;
2563 #else
2564 case QEMU_OPTION_no_frame:
2565 case QEMU_OPTION_alt_grab:
2566 case QEMU_OPTION_ctrl_grab:
2567 case QEMU_OPTION_no_quit:
2568 case QEMU_OPTION_sdl:
2569 fprintf(stderr, "SDL support is disabled\n");
2570 exit(1);
2571 #endif
2572 case QEMU_OPTION_pidfile:
2573 pid_file = optarg;
2574 break;
2575 case QEMU_OPTION_win2k_hack:
2576 win2k_install_hack = 1;
2577 break;
2578 case QEMU_OPTION_rtc_td_hack:
2579 rtc_td_hack = 1;
2580 break;
2581 case QEMU_OPTION_acpitable:
2582 do_acpitable_option(optarg);
2583 break;
2584 case QEMU_OPTION_smbios:
2585 do_smbios_option(optarg);
2586 break;
2587 case QEMU_OPTION_enable_kvm:
2588 kvm_allowed = 1;
2589 break;
2590 case QEMU_OPTION_usb:
2591 usb_enabled = 1;
2592 break;
2593 case QEMU_OPTION_usbdevice:
2594 usb_enabled = 1;
2595 add_device_config(DEV_USB, optarg);
2596 break;
2597 case QEMU_OPTION_device:
2598 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2599 exit(1);
2600 }
2601 break;
2602 case QEMU_OPTION_smp:
2603 smp_parse(optarg);
2604 if (smp_cpus < 1) {
2605 fprintf(stderr, "Invalid number of CPUs\n");
2606 exit(1);
2607 }
2608 if (max_cpus < smp_cpus) {
2609 fprintf(stderr, "maxcpus must be equal to or greater than "
2610 "smp\n");
2611 exit(1);
2612 }
2613 if (max_cpus > 255) {
2614 fprintf(stderr, "Unsupported number of maxcpus\n");
2615 exit(1);
2616 }
2617 break;
2618 case QEMU_OPTION_vnc:
2619 #ifdef CONFIG_VNC
2620 display_remote++;
2621 vnc_display = optarg;
2622 #else
2623 fprintf(stderr, "VNC support is disabled\n");
2624 exit(1);
2625 #endif
2626 break;
2627 case QEMU_OPTION_no_acpi:
2628 acpi_enabled = 0;
2629 break;
2630 case QEMU_OPTION_no_hpet:
2631 no_hpet = 1;
2632 break;
2633 case QEMU_OPTION_balloon:
2634 if (balloon_parse(optarg) < 0) {
2635 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2636 exit(1);
2637 }
2638 break;
2639 case QEMU_OPTION_no_reboot:
2640 no_reboot = 1;
2641 break;
2642 case QEMU_OPTION_no_shutdown:
2643 no_shutdown = 1;
2644 break;
2645 case QEMU_OPTION_show_cursor:
2646 cursor_hide = 0;
2647 break;
2648 case QEMU_OPTION_uuid:
2649 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2650 fprintf(stderr, "Fail to parse UUID string."
2651 " Wrong format.\n");
2652 exit(1);
2653 }
2654 break;
2655 case QEMU_OPTION_option_rom:
2656 if (nb_option_roms >= MAX_OPTION_ROMS) {
2657 fprintf(stderr, "Too many option ROMs\n");
2658 exit(1);
2659 }
2660 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2661 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2662 option_rom[nb_option_roms].bootindex =
2663 qemu_opt_get_number(opts, "bootindex", -1);
2664 if (!option_rom[nb_option_roms].name) {
2665 fprintf(stderr, "Option ROM file is not specified\n");
2666 exit(1);
2667 }
2668 nb_option_roms++;
2669 break;
2670 case QEMU_OPTION_semihosting:
2671 semihosting_enabled = 1;
2672 break;
2673 case QEMU_OPTION_name:
2674 qemu_name = qemu_strdup(optarg);
2675 {
2676 char *p = strchr(qemu_name, ',');
2677 if (p != NULL) {
2678 *p++ = 0;
2679 if (strncmp(p, "process=", 8)) {
2680 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2681 exit(1);
2682 }
2683 p += 8;
2684 os_set_proc_name(p);
2685 }
2686 }
2687 break;
2688 case QEMU_OPTION_prom_env:
2689 if (nb_prom_envs >= MAX_PROM_ENVS) {
2690 fprintf(stderr, "Too many prom variables\n");
2691 exit(1);
2692 }
2693 prom_envs[nb_prom_envs] = optarg;
2694 nb_prom_envs++;
2695 break;
2696 case QEMU_OPTION_old_param:
2697 old_param = 1;
2698 break;
2699 case QEMU_OPTION_clock:
2700 configure_alarms(optarg);
2701 break;
2702 case QEMU_OPTION_startdate:
2703 configure_rtc_date_offset(optarg, 1);
2704 break;
2705 case QEMU_OPTION_rtc:
2706 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2707 if (!opts) {
2708 exit(1);
2709 }
2710 configure_rtc(opts);
2711 break;
2712 case QEMU_OPTION_tb_size:
2713 tb_size = strtol(optarg, NULL, 0);
2714 if (tb_size < 0)
2715 tb_size = 0;
2716 break;
2717 case QEMU_OPTION_icount:
2718 icount_option = optarg;
2719 break;
2720 case QEMU_OPTION_incoming:
2721 incoming = optarg;
2722 incoming_expected = true;
2723 break;
2724 case QEMU_OPTION_nodefaults:
2725 default_serial = 0;
2726 default_parallel = 0;
2727 default_virtcon = 0;
2728 default_monitor = 0;
2729 default_vga = 0;
2730 default_net = 0;
2731 default_floppy = 0;
2732 default_cdrom = 0;
2733 default_sdcard = 0;
2734 break;
2735 case QEMU_OPTION_xen_domid:
2736 if (!(xen_available())) {
2737 printf("Option %s not supported for this target\n", popt->name);
2738 exit(1);
2739 }
2740 xen_domid = atoi(optarg);
2741 break;
2742 case QEMU_OPTION_xen_create:
2743 if (!(xen_available())) {
2744 printf("Option %s not supported for this target\n", popt->name);
2745 exit(1);
2746 }
2747 xen_mode = XEN_CREATE;
2748 break;
2749 case QEMU_OPTION_xen_attach:
2750 if (!(xen_available())) {
2751 printf("Option %s not supported for this target\n", popt->name);
2752 exit(1);
2753 }
2754 xen_mode = XEN_ATTACH;
2755 break;
2756 #ifdef CONFIG_SIMPLE_TRACE
2757 case QEMU_OPTION_trace:
2758 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2759 if (opts) {
2760 trace_file = qemu_opt_get(opts, "file");
2761 }
2762 break;
2763 #endif
2764 case QEMU_OPTION_readconfig:
2765 {
2766 int ret = qemu_read_config_file(optarg);
2767 if (ret < 0) {
2768 fprintf(stderr, "read config %s: %s\n", optarg,
2769 strerror(-ret));
2770 exit(1);
2771 }
2772 break;
2773 }
2774 case QEMU_OPTION_spice:
2775 olist = qemu_find_opts("spice");
2776 if (!olist) {
2777 fprintf(stderr, "spice is not supported by this qemu build.\n");
2778 exit(1);
2779 }
2780 opts = qemu_opts_parse(olist, optarg, 0);
2781 if (!opts) {
2782 fprintf(stderr, "parse error: %s\n", optarg);
2783 exit(1);
2784 }
2785 break;
2786 case QEMU_OPTION_writeconfig:
2787 {
2788 FILE *fp;
2789 if (strcmp(optarg, "-") == 0) {
2790 fp = stdout;
2791 } else {
2792 fp = fopen(optarg, "w");
2793 if (fp == NULL) {
2794 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2795 exit(1);
2796 }
2797 }
2798 qemu_config_write(fp);
2799 fclose(fp);
2800 break;
2801 }
2802 default:
2803 os_parse_cmd_args(popt->index, optarg);
2804 }
2805 }
2806 }
2807 loc_set_none();
2808
2809 if (!st_init(trace_file)) {
2810 fprintf(stderr, "warning: unable to initialize simple trace backend\n");
2811 }
2812
2813 /* If no data_dir is specified then try to find it relative to the
2814 executable path. */
2815 if (!data_dir) {
2816 data_dir = os_find_datadir(argv[0]);
2817 }
2818 /* If all else fails use the install patch specified when building. */
2819 if (!data_dir) {
2820 data_dir = CONFIG_QEMU_DATADIR;
2821 }
2822
2823 /*
2824 * Default to max_cpus = smp_cpus, in case the user doesn't
2825 * specify a max_cpus value.
2826 */
2827 if (!max_cpus)
2828 max_cpus = smp_cpus;
2829
2830 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2831 if (smp_cpus > machine->max_cpus) {
2832 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2833 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2834 machine->max_cpus);
2835 exit(1);
2836 }
2837
2838 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2839 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2840
2841 if (machine->no_serial) {
2842 default_serial = 0;
2843 }
2844 if (machine->no_parallel) {
2845 default_parallel = 0;
2846 }
2847 if (!machine->use_virtcon) {
2848 default_virtcon = 0;
2849 }
2850 if (machine->no_vga) {
2851 default_vga = 0;
2852 }
2853 if (machine->no_floppy) {
2854 default_floppy = 0;
2855 }
2856 if (machine->no_cdrom) {
2857 default_cdrom = 0;
2858 }
2859 if (machine->no_sdcard) {
2860 default_sdcard = 0;
2861 }
2862
2863 if (display_type == DT_NOGRAPHIC) {
2864 if (default_parallel)
2865 add_device_config(DEV_PARALLEL, "null");
2866 if (default_serial && default_monitor) {
2867 add_device_config(DEV_SERIAL, "mon:stdio");
2868 } else if (default_virtcon && default_monitor) {
2869 add_device_config(DEV_VIRTCON, "mon:stdio");
2870 } else {
2871 if (default_serial)
2872 add_device_config(DEV_SERIAL, "stdio");
2873 if (default_virtcon)
2874 add_device_config(DEV_VIRTCON, "stdio");
2875 if (default_monitor)
2876 monitor_parse("stdio", "readline");
2877 }
2878 } else {
2879 if (default_serial)
2880 add_device_config(DEV_SERIAL, "vc:80Cx24C");
2881 if (default_parallel)
2882 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2883 if (default_monitor)
2884 monitor_parse("vc:80Cx24C", "readline");
2885 if (default_virtcon)
2886 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2887 }
2888 if (default_vga)
2889 vga_interface_type = VGA_CIRRUS;
2890
2891 socket_init();
2892
2893 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
2894 exit(1);
2895 #ifdef CONFIG_VIRTFS
2896 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
2897 exit(1);
2898 }
2899 #endif
2900
2901 os_daemonize();
2902
2903 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2904 os_pidfile_error();
2905 exit(1);
2906 }
2907
2908 if (kvm_allowed) {
2909 int ret = kvm_init();
2910 if (ret < 0) {
2911 if (!kvm_available()) {
2912 printf("KVM not supported for this target\n");
2913 } else {
2914 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2915 }
2916 exit(1);
2917 }
2918 }
2919
2920 if (qemu_init_main_loop()) {
2921 fprintf(stderr, "qemu_init_main_loop failed\n");
2922 exit(1);
2923 }
2924 linux_boot = (kernel_filename != NULL);
2925
2926 if (!linux_boot && *kernel_cmdline != '\0') {
2927 fprintf(stderr, "-append only allowed with -kernel option\n");
2928 exit(1);
2929 }
2930
2931 if (!linux_boot && initrd_filename != NULL) {
2932 fprintf(stderr, "-initrd only allowed with -kernel option\n");
2933 exit(1);
2934 }
2935
2936 os_set_line_buffering();
2937
2938 if (init_timer_alarm() < 0) {
2939 fprintf(stderr, "could not initialize alarm timer\n");
2940 exit(1);
2941 }
2942 configure_icount(icount_option);
2943
2944 if (net_init_clients() < 0) {
2945 exit(1);
2946 }
2947
2948 /* init the bluetooth world */
2949 if (foreach_device_config(DEV_BT, bt_parse))
2950 exit(1);
2951
2952 /* init the memory */
2953 if (ram_size == 0)
2954 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2955
2956 /* init the dynamic translator */
2957 cpu_exec_init_all(tb_size * 1024 * 1024);
2958
2959 bdrv_init_with_whitelist();
2960
2961 blk_mig_init();
2962
2963 /* open the virtual block devices */
2964 if (snapshot)
2965 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
2966 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
2967 exit(1);
2968
2969 default_drive(default_cdrom, snapshot, machine->use_scsi,
2970 IF_DEFAULT, 2, CDROM_OPTS);
2971 default_drive(default_floppy, snapshot, machine->use_scsi,
2972 IF_FLOPPY, 0, FD_OPTS);
2973 default_drive(default_sdcard, snapshot, machine->use_scsi,
2974 IF_SD, 0, SD_OPTS);
2975
2976 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2977 ram_load, NULL);
2978
2979 if (nb_numa_nodes > 0) {
2980 int i;
2981
2982 if (nb_numa_nodes > smp_cpus) {
2983 nb_numa_nodes = smp_cpus;
2984 }
2985
2986 /* If no memory size if given for any node, assume the default case
2987 * and distribute the available memory equally across all nodes
2988 */
2989 for (i = 0; i < nb_numa_nodes; i++) {
2990 if (node_mem[i] != 0)
2991 break;
2992 }
2993 if (i == nb_numa_nodes) {
2994 uint64_t usedmem = 0;
2995
2996 /* On Linux, the each node's border has to be 8MB aligned,
2997 * the final node gets the rest.
2998 */
2999 for (i = 0; i < nb_numa_nodes - 1; i++) {
3000 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3001 usedmem += node_mem[i];
3002 }
3003 node_mem[i] = ram_size - usedmem;
3004 }
3005
3006 for (i = 0; i < nb_numa_nodes; i++) {
3007 if (node_cpumask[i] != 0)
3008 break;
3009 }
3010 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3011 * must cope with this anyway, because there are BIOSes out there in
3012 * real machines which also use this scheme.
3013 */
3014 if (i == nb_numa_nodes) {
3015 for (i = 0; i < smp_cpus; i++) {
3016 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3017 }
3018 }
3019 }
3020
3021 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3022 exit(1);
3023 }
3024
3025 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3026 exit(1);
3027 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3028 exit(1);
3029 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3030 exit(1);
3031 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3032 exit(1);
3033
3034 module_call_init(MODULE_INIT_DEVICE);
3035
3036 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3037 exit(0);
3038
3039 if (watchdog) {
3040 i = select_watchdog(watchdog);
3041 if (i > 0)
3042 exit (i == 1 ? 1 : 0);
3043 }
3044
3045 if (machine->compat_props) {
3046 qdev_prop_register_global_list(machine->compat_props);
3047 }
3048 qemu_add_globals();
3049
3050 machine->init(ram_size, boot_devices,
3051 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3052
3053 cpu_synchronize_all_post_init();
3054
3055 /* must be after terminal init, SDL library changes signal handlers */
3056 os_setup_signal_handling();
3057
3058 set_numa_modes();
3059
3060 current_machine = machine;
3061
3062 /* init USB devices */
3063 if (usb_enabled) {
3064 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3065 exit(1);
3066 }
3067
3068 /* init generic devices */
3069 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3070 exit(1);
3071
3072 net_check_clients();
3073
3074 /* just use the first displaystate for the moment */
3075 ds = get_displaystate();
3076
3077 if (using_spice)
3078 display_remote++;
3079 if (display_type == DT_DEFAULT && !display_remote) {
3080 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3081 display_type = DT_SDL;
3082 #elif defined(CONFIG_VNC)
3083 vnc_display = "localhost:0,to=99";
3084 show_vnc_port = 1;
3085 #else
3086 display_type = DT_NONE;
3087 #endif
3088 }
3089
3090
3091 /* init local displays */
3092 switch (display_type) {
3093 case DT_NOGRAPHIC:
3094 break;
3095 #if defined(CONFIG_CURSES)
3096 case DT_CURSES:
3097 curses_display_init(ds, full_screen);
3098 break;
3099 #endif
3100 #if defined(CONFIG_SDL)
3101 case DT_SDL:
3102 sdl_display_init(ds, full_screen, no_frame);
3103 break;
3104 #elif defined(CONFIG_COCOA)
3105 case DT_SDL:
3106 cocoa_display_init(ds, full_screen);
3107 break;
3108 #endif
3109 default:
3110 break;
3111 }
3112
3113 #ifdef CONFIG_VNC
3114 /* init remote displays */
3115 if (vnc_display) {
3116 vnc_display_init(ds);
3117 if (vnc_display_open(ds, vnc_display) < 0)
3118 exit(1);
3119
3120 if (show_vnc_port) {
3121 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3122 }
3123 }
3124 #endif
3125 #ifdef CONFIG_SPICE
3126 if (using_spice && !qxl_enabled) {
3127 qemu_spice_display_init(ds);
3128 }
3129 #endif
3130
3131 /* display setup */
3132 dpy_resize(ds);
3133 dcl = ds->listeners;
3134 while (dcl != NULL) {
3135 if (dcl->dpy_refresh != NULL) {
3136 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3137 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3138 break;
3139 }
3140 dcl = dcl->next;
3141 }
3142 if (ds->gui_timer == NULL) {
3143 nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
3144 qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
3145 }
3146 text_consoles_set_display(ds);
3147
3148 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3149 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3150 gdbstub_dev);
3151 exit(1);
3152 }
3153
3154 qdev_machine_creation_done();
3155
3156 if (rom_load_all() != 0) {
3157 fprintf(stderr, "rom loading failed\n");
3158 exit(1);
3159 }
3160
3161 /* TODO: once all bus devices are qdevified, this should be done
3162 * when bus is created by qdev.c */
3163 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3164 qemu_run_machine_init_done_notifiers();
3165
3166 qemu_system_reset();
3167 if (loadvm) {
3168 if (load_vmstate(loadvm) < 0) {
3169 autostart = 0;
3170 }
3171 }
3172
3173 if (incoming) {
3174 int ret = qemu_start_incoming_migration(incoming);
3175 if (ret < 0) {
3176 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3177 incoming, ret);
3178 exit(ret);
3179 }
3180 } else if (autostart) {
3181 vm_start();
3182 }
3183
3184 os_setup_post();
3185
3186 main_loop();
3187 quit_timers();
3188 net_cleanup();
3189
3190 return 0;
3191 }
Qemu copy for testing