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Merge remote-tracking branch 'agraf/xen-next' into staging
[qemu.git] / vl.c
blobbffba694082684cafff8ff85227ca8efba6c6d0d
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 static int tcg_allowed = 1;
261 int kvm_allowed = 0;
262 int xen_allowed = 0;
263 uint32_t xen_domid;
264 enum xen_mode xen_mode = XEN_EMULATE;
265
266 static int default_serial = 1;
267 static int default_parallel = 1;
268 static int default_virtcon = 1;
269 static int default_monitor = 1;
270 static int default_vga = 1;
271 static int default_floppy = 1;
272 static int default_cdrom = 1;
273 static int default_sdcard = 1;
274
275 static struct {
276 const char *driver;
277 int *flag;
278 } default_list[] = {
279 { .driver = "isa-serial", .flag = &default_serial },
280 { .driver = "isa-parallel", .flag = &default_parallel },
281 { .driver = "isa-fdc", .flag = &default_floppy },
282 { .driver = "ide-drive", .flag = &default_cdrom },
283 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
284 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
285 { .driver = "virtio-serial", .flag = &default_virtcon },
286 { .driver = "VGA", .flag = &default_vga },
287 { .driver = "cirrus-vga", .flag = &default_vga },
288 { .driver = "vmware-svga", .flag = &default_vga },
289 };
290
291 static int default_driver_check(QemuOpts *opts, void *opaque)
292 {
293 const char *driver = qemu_opt_get(opts, "driver");
294 int i;
295
296 if (!driver)
297 return 0;
298 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
299 if (strcmp(default_list[i].driver, driver) != 0)
300 continue;
301 *(default_list[i].flag) = 0;
302 }
303 return 0;
304 }
305
306 /***********************************************************/
307 /* real time host monotonic timer */
308
309 /***********************************************************/
310 /* host time/date access */
311 void qemu_get_timedate(struct tm *tm, int offset)
312 {
313 time_t ti;
314 struct tm *ret;
315
316 time(&ti);
317 ti += offset;
318 if (rtc_date_offset == -1) {
319 if (rtc_utc)
320 ret = gmtime(&ti);
321 else
322 ret = localtime(&ti);
323 } else {
324 ti -= rtc_date_offset;
325 ret = gmtime(&ti);
326 }
327
328 memcpy(tm, ret, sizeof(struct tm));
329 }
330
331 int qemu_timedate_diff(struct tm *tm)
332 {
333 time_t seconds;
334
335 if (rtc_date_offset == -1)
336 if (rtc_utc)
337 seconds = mktimegm(tm);
338 else
339 seconds = mktime(tm);
340 else
341 seconds = mktimegm(tm) + rtc_date_offset;
342
343 return seconds - time(NULL);
344 }
345
346 void rtc_change_mon_event(struct tm *tm)
347 {
348 QObject *data;
349
350 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
351 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
352 qobject_decref(data);
353 }
354
355 static void configure_rtc_date_offset(const char *startdate, int legacy)
356 {
357 time_t rtc_start_date;
358 struct tm tm;
359
360 if (!strcmp(startdate, "now") && legacy) {
361 rtc_date_offset = -1;
362 } else {
363 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
364 &tm.tm_year,
365 &tm.tm_mon,
366 &tm.tm_mday,
367 &tm.tm_hour,
368 &tm.tm_min,
369 &tm.tm_sec) == 6) {
370 /* OK */
371 } else if (sscanf(startdate, "%d-%d-%d",
372 &tm.tm_year,
373 &tm.tm_mon,
374 &tm.tm_mday) == 3) {
375 tm.tm_hour = 0;
376 tm.tm_min = 0;
377 tm.tm_sec = 0;
378 } else {
379 goto date_fail;
380 }
381 tm.tm_year -= 1900;
382 tm.tm_mon--;
383 rtc_start_date = mktimegm(&tm);
384 if (rtc_start_date == -1) {
385 date_fail:
386 fprintf(stderr, "Invalid date format. Valid formats are:\n"
387 "'2006-06-17T16:01:21' or '2006-06-17'\n");
388 exit(1);
389 }
390 rtc_date_offset = time(NULL) - rtc_start_date;
391 }
392 }
393
394 static void configure_rtc(QemuOpts *opts)
395 {
396 const char *value;
397
398 value = qemu_opt_get(opts, "base");
399 if (value) {
400 if (!strcmp(value, "utc")) {
401 rtc_utc = 1;
402 } else if (!strcmp(value, "localtime")) {
403 rtc_utc = 0;
404 } else {
405 configure_rtc_date_offset(value, 0);
406 }
407 }
408 value = qemu_opt_get(opts, "clock");
409 if (value) {
410 if (!strcmp(value, "host")) {
411 rtc_clock = host_clock;
412 } else if (!strcmp(value, "vm")) {
413 rtc_clock = vm_clock;
414 } else {
415 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
416 exit(1);
417 }
418 }
419 value = qemu_opt_get(opts, "driftfix");
420 if (value) {
421 if (!strcmp(value, "slew")) {
422 rtc_td_hack = 1;
423 } else if (!strcmp(value, "none")) {
424 rtc_td_hack = 0;
425 } else {
426 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
427 exit(1);
428 }
429 }
430 }
431
432 /***********************************************************/
433 /* Bluetooth support */
434 static int nb_hcis;
435 static int cur_hci;
436 static struct HCIInfo *hci_table[MAX_NICS];
437
438 static struct bt_vlan_s {
439 struct bt_scatternet_s net;
440 int id;
441 struct bt_vlan_s *next;
442 } *first_bt_vlan;
443
444 /* find or alloc a new bluetooth "VLAN" */
445 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
446 {
447 struct bt_vlan_s **pvlan, *vlan;
448 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
449 if (vlan->id == id)
450 return &vlan->net;
451 }
452 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
453 vlan->id = id;
454 pvlan = &first_bt_vlan;
455 while (*pvlan != NULL)
456 pvlan = &(*pvlan)->next;
457 *pvlan = vlan;
458 return &vlan->net;
459 }
460
461 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
462 {
463 }
464
465 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
466 {
467 return -ENOTSUP;
468 }
469
470 static struct HCIInfo null_hci = {
471 .cmd_send = null_hci_send,
472 .sco_send = null_hci_send,
473 .acl_send = null_hci_send,
474 .bdaddr_set = null_hci_addr_set,
475 };
476
477 struct HCIInfo *qemu_next_hci(void)
478 {
479 if (cur_hci == nb_hcis)
480 return &null_hci;
481
482 return hci_table[cur_hci++];
483 }
484
485 static struct HCIInfo *hci_init(const char *str)
486 {
487 char *endp;
488 struct bt_scatternet_s *vlan = 0;
489
490 if (!strcmp(str, "null"))
491 /* null */
492 return &null_hci;
493 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
494 /* host[:hciN] */
495 return bt_host_hci(str[4] ? str + 5 : "hci0");
496 else if (!strncmp(str, "hci", 3)) {
497 /* hci[,vlan=n] */
498 if (str[3]) {
499 if (!strncmp(str + 3, ",vlan=", 6)) {
500 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
501 if (*endp)
502 vlan = 0;
503 }
504 } else
505 vlan = qemu_find_bt_vlan(0);
506 if (vlan)
507 return bt_new_hci(vlan);
508 }
509
510 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
511
512 return 0;
513 }
514
515 static int bt_hci_parse(const char *str)
516 {
517 struct HCIInfo *hci;
518 bdaddr_t bdaddr;
519
520 if (nb_hcis >= MAX_NICS) {
521 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
522 return -1;
523 }
524
525 hci = hci_init(str);
526 if (!hci)
527 return -1;
528
529 bdaddr.b[0] = 0x52;
530 bdaddr.b[1] = 0x54;
531 bdaddr.b[2] = 0x00;
532 bdaddr.b[3] = 0x12;
533 bdaddr.b[4] = 0x34;
534 bdaddr.b[5] = 0x56 + nb_hcis;
535 hci->bdaddr_set(hci, bdaddr.b);
536
537 hci_table[nb_hcis++] = hci;
538
539 return 0;
540 }
541
542 static void bt_vhci_add(int vlan_id)
543 {
544 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
545
546 if (!vlan->slave)
547 fprintf(stderr, "qemu: warning: adding a VHCI to "
548 "an empty scatternet %i\n", vlan_id);
549
550 bt_vhci_init(bt_new_hci(vlan));
551 }
552
553 static struct bt_device_s *bt_device_add(const char *opt)
554 {
555 struct bt_scatternet_s *vlan;
556 int vlan_id = 0;
557 char *endp = strstr(opt, ",vlan=");
558 int len = (endp ? endp - opt : strlen(opt)) + 1;
559 char devname[10];
560
561 pstrcpy(devname, MIN(sizeof(devname), len), opt);
562
563 if (endp) {
564 vlan_id = strtol(endp + 6, &endp, 0);
565 if (*endp) {
566 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
567 return 0;
568 }
569 }
570
571 vlan = qemu_find_bt_vlan(vlan_id);
572
573 if (!vlan->slave)
574 fprintf(stderr, "qemu: warning: adding a slave device to "
575 "an empty scatternet %i\n", vlan_id);
576
577 if (!strcmp(devname, "keyboard"))
578 return bt_keyboard_init(vlan);
579
580 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
581 return 0;
582 }
583
584 static int bt_parse(const char *opt)
585 {
586 const char *endp, *p;
587 int vlan;
588
589 if (strstart(opt, "hci", &endp)) {
590 if (!*endp || *endp == ',') {
591 if (*endp)
592 if (!strstart(endp, ",vlan=", 0))
593 opt = endp + 1;
594
595 return bt_hci_parse(opt);
596 }
597 } else if (strstart(opt, "vhci", &endp)) {
598 if (!*endp || *endp == ',') {
599 if (*endp) {
600 if (strstart(endp, ",vlan=", &p)) {
601 vlan = strtol(p, (char **) &endp, 0);
602 if (*endp) {
603 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
604 return 1;
605 }
606 } else {
607 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
608 return 1;
609 }
610 } else
611 vlan = 0;
612
613 bt_vhci_add(vlan);
614 return 0;
615 }
616 } else if (strstart(opt, "device:", &endp))
617 return !bt_device_add(endp);
618
619 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
620 return 1;
621 }
622
623 /***********************************************************/
624 /* QEMU Block devices */
625
626 #define HD_OPTS "media=disk"
627 #define CDROM_OPTS "media=cdrom"
628 #define FD_OPTS ""
629 #define PFLASH_OPTS ""
630 #define MTD_OPTS ""
631 #define SD_OPTS ""
632
633 static int drive_init_func(QemuOpts *opts, void *opaque)
634 {
635 int *use_scsi = opaque;
636
637 return drive_init(opts, *use_scsi) == NULL;
638 }
639
640 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
641 {
642 if (NULL == qemu_opt_get(opts, "snapshot")) {
643 qemu_opt_set(opts, "snapshot", "on");
644 }
645 return 0;
646 }
647
648 static void default_drive(int enable, int snapshot, int use_scsi,
649 BlockInterfaceType type, int index,
650 const char *optstr)
651 {
652 QemuOpts *opts;
653
654 if (type == IF_DEFAULT) {
655 type = use_scsi ? IF_SCSI : IF_IDE;
656 }
657
658 if (!enable || drive_get_by_index(type, index)) {
659 return;
660 }
661
662 opts = drive_add(type, index, NULL, optstr);
663 if (snapshot) {
664 drive_enable_snapshot(opts, NULL);
665 }
666 if (!drive_init(opts, use_scsi)) {
667 exit(1);
668 }
669 }
670
671 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
672 {
673 boot_set_handler = func;
674 boot_set_opaque = opaque;
675 }
676
677 int qemu_boot_set(const char *boot_devices)
678 {
679 if (!boot_set_handler) {
680 return -EINVAL;
681 }
682 return boot_set_handler(boot_set_opaque, boot_devices);
683 }
684
685 static void validate_bootdevices(char *devices)
686 {
687 /* We just do some generic consistency checks */
688 const char *p;
689 int bitmap = 0;
690
691 for (p = devices; *p != '\0'; p++) {
692 /* Allowed boot devices are:
693 * a-b: floppy disk drives
694 * c-f: IDE disk drives
695 * g-m: machine implementation dependant drives
696 * n-p: network devices
697 * It's up to each machine implementation to check if the given boot
698 * devices match the actual hardware implementation and firmware
699 * features.
700 */
701 if (*p < 'a' || *p > 'p') {
702 fprintf(stderr, "Invalid boot device '%c'\n", *p);
703 exit(1);
704 }
705 if (bitmap & (1 << (*p - 'a'))) {
706 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
707 exit(1);
708 }
709 bitmap |= 1 << (*p - 'a');
710 }
711 }
712
713 static void restore_boot_devices(void *opaque)
714 {
715 char *standard_boot_devices = opaque;
716 static int first = 1;
717
718 /* Restore boot order and remove ourselves after the first boot */
719 if (first) {
720 first = 0;
721 return;
722 }
723
724 qemu_boot_set(standard_boot_devices);
725
726 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
727 qemu_free(standard_boot_devices);
728 }
729
730 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
731 const char *suffix)
732 {
733 FWBootEntry *node, *i;
734
735 if (bootindex < 0) {
736 return;
737 }
738
739 assert(dev != NULL || suffix != NULL);
740
741 node = qemu_mallocz(sizeof(FWBootEntry));
742 node->bootindex = bootindex;
743 node->suffix = suffix ? qemu_strdup(suffix) : NULL;
744 node->dev = dev;
745
746 QTAILQ_FOREACH(i, &fw_boot_order, link) {
747 if (i->bootindex == bootindex) {
748 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
749 exit(1);
750 } else if (i->bootindex < bootindex) {
751 continue;
752 }
753 QTAILQ_INSERT_BEFORE(i, node, link);
754 return;
755 }
756 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
757 }
758
759 /*
760 * This function returns null terminated string that consist of new line
761 * separated device paths.
762 *
763 * memory pointed by "size" is assigned total length of the array in bytes
764 *
765 */
766 char *get_boot_devices_list(uint32_t *size)
767 {
768 FWBootEntry *i;
769 uint32_t total = 0;
770 char *list = NULL;
771
772 QTAILQ_FOREACH(i, &fw_boot_order, link) {
773 char *devpath = NULL, *bootpath;
774 int len;
775
776 if (i->dev) {
777 devpath = qdev_get_fw_dev_path(i->dev);
778 assert(devpath);
779 }
780
781 if (i->suffix && devpath) {
782 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
783
784 bootpath = qemu_malloc(bootpathlen);
785 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
786 qemu_free(devpath);
787 } else if (devpath) {
788 bootpath = devpath;
789 } else {
790 bootpath = qemu_strdup(i->suffix);
791 assert(bootpath);
792 }
793
794 if (total) {
795 list[total-1] = '\n';
796 }
797 len = strlen(bootpath) + 1;
798 list = qemu_realloc(list, total + len);
799 memcpy(&list[total], bootpath, len);
800 total += len;
801 qemu_free(bootpath);
802 }
803
804 *size = total;
805
806 return list;
807 }
808
809 static void numa_add(const char *optarg)
810 {
811 char option[128];
812 char *endptr;
813 unsigned long long value, endvalue;
814 int nodenr;
815
816 optarg = get_opt_name(option, 128, optarg, ',') + 1;
817 if (!strcmp(option, "node")) {
818 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
819 nodenr = nb_numa_nodes;
820 } else {
821 nodenr = strtoull(option, NULL, 10);
822 }
823
824 if (get_param_value(option, 128, "mem", optarg) == 0) {
825 node_mem[nodenr] = 0;
826 } else {
827 int64_t sval;
828 sval = strtosz(option, NULL);
829 if (sval < 0) {
830 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
831 exit(1);
832 }
833 node_mem[nodenr] = sval;
834 }
835 if (get_param_value(option, 128, "cpus", optarg) == 0) {
836 node_cpumask[nodenr] = 0;
837 } else {
838 value = strtoull(option, &endptr, 10);
839 if (value >= 64) {
840 value = 63;
841 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
842 } else {
843 if (*endptr == '-') {
844 endvalue = strtoull(endptr+1, &endptr, 10);
845 if (endvalue >= 63) {
846 endvalue = 62;
847 fprintf(stderr,
848 "only 63 CPUs in NUMA mode supported.\n");
849 }
850 value = (2ULL << endvalue) - (1ULL << value);
851 } else {
852 value = 1ULL << value;
853 }
854 }
855 node_cpumask[nodenr] = value;
856 }
857 nb_numa_nodes++;
858 }
859 return;
860 }
861
862 static void smp_parse(const char *optarg)
863 {
864 int smp, sockets = 0, threads = 0, cores = 0;
865 char *endptr;
866 char option[128];
867
868 smp = strtoul(optarg, &endptr, 10);
869 if (endptr != optarg) {
870 if (*endptr == ',') {
871 endptr++;
872 }
873 }
874 if (get_param_value(option, 128, "sockets", endptr) != 0)
875 sockets = strtoull(option, NULL, 10);
876 if (get_param_value(option, 128, "cores", endptr) != 0)
877 cores = strtoull(option, NULL, 10);
878 if (get_param_value(option, 128, "threads", endptr) != 0)
879 threads = strtoull(option, NULL, 10);
880 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
881 max_cpus = strtoull(option, NULL, 10);
882
883 /* compute missing values, prefer sockets over cores over threads */
884 if (smp == 0 || sockets == 0) {
885 sockets = sockets > 0 ? sockets : 1;
886 cores = cores > 0 ? cores : 1;
887 threads = threads > 0 ? threads : 1;
888 if (smp == 0) {
889 smp = cores * threads * sockets;
890 }
891 } else {
892 if (cores == 0) {
893 threads = threads > 0 ? threads : 1;
894 cores = smp / (sockets * threads);
895 } else {
896 threads = smp / (cores * sockets);
897 }
898 }
899 smp_cpus = smp;
900 smp_cores = cores > 0 ? cores : 1;
901 smp_threads = threads > 0 ? threads : 1;
902 if (max_cpus == 0)
903 max_cpus = smp_cpus;
904 }
905
906 /***********************************************************/
907 /* USB devices */
908
909 static int usb_device_add(const char *devname)
910 {
911 const char *p;
912 USBDevice *dev = NULL;
913
914 if (!usb_enabled)
915 return -1;
916
917 /* drivers with .usbdevice_name entry in USBDeviceInfo */
918 dev = usbdevice_create(devname);
919 if (dev)
920 goto done;
921
922 /* the other ones */
923 if (strstart(devname, "host:", &p)) {
924 dev = usb_host_device_open(p);
925 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
926 dev = usb_bt_init(devname[2] ? hci_init(p) :
927 bt_new_hci(qemu_find_bt_vlan(0)));
928 } else {
929 return -1;
930 }
931 if (!dev)
932 return -1;
933
934 done:
935 return 0;
936 }
937
938 static int usb_device_del(const char *devname)
939 {
940 int bus_num, addr;
941 const char *p;
942
943 if (strstart(devname, "host:", &p))
944 return usb_host_device_close(p);
945
946 if (!usb_enabled)
947 return -1;
948
949 p = strchr(devname, '.');
950 if (!p)
951 return -1;
952 bus_num = strtoul(devname, NULL, 0);
953 addr = strtoul(p + 1, NULL, 0);
954
955 return usb_device_delete_addr(bus_num, addr);
956 }
957
958 static int usb_parse(const char *cmdline)
959 {
960 int r;
961 r = usb_device_add(cmdline);
962 if (r < 0) {
963 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
964 }
965 return r;
966 }
967
968 void do_usb_add(Monitor *mon, const QDict *qdict)
969 {
970 const char *devname = qdict_get_str(qdict, "devname");
971 if (usb_device_add(devname) < 0) {
972 error_report("could not add USB device '%s'", devname);
973 }
974 }
975
976 void do_usb_del(Monitor *mon, const QDict *qdict)
977 {
978 const char *devname = qdict_get_str(qdict, "devname");
979 if (usb_device_del(devname) < 0) {
980 error_report("could not delete USB device '%s'", devname);
981 }
982 }
983
984 /***********************************************************/
985 /* PCMCIA/Cardbus */
986
987 static struct pcmcia_socket_entry_s {
988 PCMCIASocket *socket;
989 struct pcmcia_socket_entry_s *next;
990 } *pcmcia_sockets = 0;
991
992 void pcmcia_socket_register(PCMCIASocket *socket)
993 {
994 struct pcmcia_socket_entry_s *entry;
995
996 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
997 entry->socket = socket;
998 entry->next = pcmcia_sockets;
999 pcmcia_sockets = entry;
1000 }
1001
1002 void pcmcia_socket_unregister(PCMCIASocket *socket)
1003 {
1004 struct pcmcia_socket_entry_s *entry, **ptr;
1005
1006 ptr = &pcmcia_sockets;
1007 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1008 if (entry->socket == socket) {
1009 *ptr = entry->next;
1010 qemu_free(entry);
1011 }
1012 }
1013
1014 void pcmcia_info(Monitor *mon)
1015 {
1016 struct pcmcia_socket_entry_s *iter;
1017
1018 if (!pcmcia_sockets)
1019 monitor_printf(mon, "No PCMCIA sockets\n");
1020
1021 for (iter = pcmcia_sockets; iter; iter = iter->next)
1022 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1023 iter->socket->attached ? iter->socket->card_string :
1024 "Empty");
1025 }
1026
1027 /***********************************************************/
1028 /* machine registration */
1029
1030 static QEMUMachine *first_machine = NULL;
1031 QEMUMachine *current_machine = NULL;
1032
1033 int qemu_register_machine(QEMUMachine *m)
1034 {
1035 QEMUMachine **pm;
1036 pm = &first_machine;
1037 while (*pm != NULL)
1038 pm = &(*pm)->next;
1039 m->next = NULL;
1040 *pm = m;
1041 return 0;
1042 }
1043
1044 static QEMUMachine *find_machine(const char *name)
1045 {
1046 QEMUMachine *m;
1047
1048 for(m = first_machine; m != NULL; m = m->next) {
1049 if (!strcmp(m->name, name))
1050 return m;
1051 if (m->alias && !strcmp(m->alias, name))
1052 return m;
1053 }
1054 return NULL;
1055 }
1056
1057 static QEMUMachine *find_default_machine(void)
1058 {
1059 QEMUMachine *m;
1060
1061 for(m = first_machine; m != NULL; m = m->next) {
1062 if (m->is_default) {
1063 return m;
1064 }
1065 }
1066 return NULL;
1067 }
1068
1069 /***********************************************************/
1070 /* main execution loop */
1071
1072 static void gui_update(void *opaque)
1073 {
1074 uint64_t interval = GUI_REFRESH_INTERVAL;
1075 DisplayState *ds = opaque;
1076 DisplayChangeListener *dcl = ds->listeners;
1077
1078 qemu_flush_coalesced_mmio_buffer();
1079 dpy_refresh(ds);
1080
1081 while (dcl != NULL) {
1082 if (dcl->gui_timer_interval &&
1083 dcl->gui_timer_interval < interval)
1084 interval = dcl->gui_timer_interval;
1085 dcl = dcl->next;
1086 }
1087 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1088 }
1089
1090 static void nographic_update(void *opaque)
1091 {
1092 uint64_t interval = GUI_REFRESH_INTERVAL;
1093
1094 qemu_flush_coalesced_mmio_buffer();
1095 qemu_mod_timer(nographic_timer, interval + qemu_get_clock_ms(rt_clock));
1096 }
1097
1098 struct vm_change_state_entry {
1099 VMChangeStateHandler *cb;
1100 void *opaque;
1101 QLIST_ENTRY (vm_change_state_entry) entries;
1102 };
1103
1104 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1105
1106 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1107 void *opaque)
1108 {
1109 VMChangeStateEntry *e;
1110
1111 e = qemu_mallocz(sizeof (*e));
1112
1113 e->cb = cb;
1114 e->opaque = opaque;
1115 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1116 return e;
1117 }
1118
1119 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1120 {
1121 QLIST_REMOVE (e, entries);
1122 qemu_free (e);
1123 }
1124
1125 void vm_state_notify(int running, int reason)
1126 {
1127 VMChangeStateEntry *e;
1128
1129 trace_vm_state_notify(running, reason);
1130
1131 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1132 e->cb(e->opaque, running, reason);
1133 }
1134 }
1135
1136 void vm_start(void)
1137 {
1138 if (!vm_running) {
1139 cpu_enable_ticks();
1140 vm_running = 1;
1141 vm_state_notify(1, 0);
1142 resume_all_vcpus();
1143 monitor_protocol_event(QEVENT_RESUME, NULL);
1144 }
1145 }
1146
1147 /* reset/shutdown handler */
1148
1149 typedef struct QEMUResetEntry {
1150 QTAILQ_ENTRY(QEMUResetEntry) entry;
1151 QEMUResetHandler *func;
1152 void *opaque;
1153 } QEMUResetEntry;
1154
1155 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1156 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1157 static int reset_requested;
1158 static int shutdown_requested, shutdown_signal = -1;
1159 static pid_t shutdown_pid;
1160 static int powerdown_requested;
1161 static int debug_requested;
1162 static int vmstop_requested;
1163
1164 int qemu_shutdown_requested_get(void)
1165 {
1166 return shutdown_requested;
1167 }
1168
1169 int qemu_reset_requested_get(void)
1170 {
1171 return reset_requested;
1172 }
1173
1174 int qemu_shutdown_requested(void)
1175 {
1176 int r = shutdown_requested;
1177 shutdown_requested = 0;
1178 return r;
1179 }
1180
1181 void qemu_kill_report(void)
1182 {
1183 if (shutdown_signal != -1) {
1184 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1185 if (shutdown_pid == 0) {
1186 /* This happens for eg ^C at the terminal, so it's worth
1187 * avoiding printing an odd message in that case.
1188 */
1189 fputc('\n', stderr);
1190 } else {
1191 fprintf(stderr, " from pid %d\n", shutdown_pid);
1192 }
1193 shutdown_signal = -1;
1194 }
1195 }
1196
1197 int qemu_reset_requested(void)
1198 {
1199 int r = reset_requested;
1200 reset_requested = 0;
1201 return r;
1202 }
1203
1204 int qemu_powerdown_requested(void)
1205 {
1206 int r = powerdown_requested;
1207 powerdown_requested = 0;
1208 return r;
1209 }
1210
1211 static int qemu_debug_requested(void)
1212 {
1213 int r = debug_requested;
1214 debug_requested = 0;
1215 return r;
1216 }
1217
1218 static int qemu_vmstop_requested(void)
1219 {
1220 int r = vmstop_requested;
1221 vmstop_requested = 0;
1222 return r;
1223 }
1224
1225 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1226 {
1227 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1228
1229 re->func = func;
1230 re->opaque = opaque;
1231 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1232 }
1233
1234 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1235 {
1236 QEMUResetEntry *re;
1237
1238 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1239 if (re->func == func && re->opaque == opaque) {
1240 QTAILQ_REMOVE(&reset_handlers, re, entry);
1241 qemu_free(re);
1242 return;
1243 }
1244 }
1245 }
1246
1247 void qemu_system_reset(void)
1248 {
1249 QEMUResetEntry *re, *nre;
1250
1251 /* reset all devices */
1252 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1253 re->func(re->opaque);
1254 }
1255 monitor_protocol_event(QEVENT_RESET, NULL);
1256 cpu_synchronize_all_post_reset();
1257 }
1258
1259 void qemu_system_reset_request(void)
1260 {
1261 if (no_reboot) {
1262 shutdown_requested = 1;
1263 } else {
1264 reset_requested = 1;
1265 }
1266 cpu_stop_current();
1267 qemu_notify_event();
1268 }
1269
1270 void qemu_system_killed(int signal, pid_t pid)
1271 {
1272 shutdown_signal = signal;
1273 shutdown_pid = pid;
1274 qemu_system_shutdown_request();
1275 }
1276
1277 void qemu_system_shutdown_request(void)
1278 {
1279 shutdown_requested = 1;
1280 qemu_notify_event();
1281 }
1282
1283 void qemu_system_powerdown_request(void)
1284 {
1285 powerdown_requested = 1;
1286 qemu_notify_event();
1287 }
1288
1289 void qemu_system_debug_request(void)
1290 {
1291 debug_requested = 1;
1292 qemu_notify_event();
1293 }
1294
1295 void qemu_system_vmstop_request(int reason)
1296 {
1297 vmstop_requested = reason;
1298 qemu_notify_event();
1299 }
1300
1301 void main_loop_wait(int nonblocking)
1302 {
1303 fd_set rfds, wfds, xfds;
1304 int ret, nfds;
1305 struct timeval tv;
1306 int timeout;
1307
1308 if (nonblocking)
1309 timeout = 0;
1310 else {
1311 timeout = qemu_calculate_timeout();
1312 qemu_bh_update_timeout(&timeout);
1313 }
1314
1315 os_host_main_loop_wait(&timeout);
1316
1317 tv.tv_sec = timeout / 1000;
1318 tv.tv_usec = (timeout % 1000) * 1000;
1319
1320 /* poll any events */
1321 /* XXX: separate device handlers from system ones */
1322 nfds = -1;
1323 FD_ZERO(&rfds);
1324 FD_ZERO(&wfds);
1325 FD_ZERO(&xfds);
1326 qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1327 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1328
1329 qemu_mutex_unlock_iothread();
1330 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1331 qemu_mutex_lock_iothread();
1332
1333 qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1334 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1335
1336 qemu_run_all_timers();
1337
1338 /* Check bottom-halves last in case any of the earlier events triggered
1339 them. */
1340 qemu_bh_poll();
1341
1342 }
1343
1344 #ifndef CONFIG_IOTHREAD
1345 static int vm_request_pending(void)
1346 {
1347 return powerdown_requested ||
1348 reset_requested ||
1349 shutdown_requested ||
1350 debug_requested ||
1351 vmstop_requested;
1352 }
1353 #endif
1354
1355 qemu_irq qemu_system_powerdown;
1356
1357 static void main_loop(void)
1358 {
1359 bool nonblocking = false;
1360 #ifdef CONFIG_PROFILER
1361 int64_t ti;
1362 #endif
1363 int r;
1364
1365 qemu_main_loop_start();
1366
1367 for (;;) {
1368 #ifndef CONFIG_IOTHREAD
1369 nonblocking = cpu_exec_all();
1370 if (vm_request_pending()) {
1371 nonblocking = true;
1372 }
1373 #endif
1374 #ifdef CONFIG_PROFILER
1375 ti = profile_getclock();
1376 #endif
1377 main_loop_wait(nonblocking);
1378 #ifdef CONFIG_PROFILER
1379 dev_time += profile_getclock() - ti;
1380 #endif
1381
1382 if (qemu_debug_requested()) {
1383 vm_stop(VMSTOP_DEBUG);
1384 }
1385 if (qemu_shutdown_requested()) {
1386 qemu_kill_report();
1387 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1388 if (no_shutdown) {
1389 vm_stop(VMSTOP_SHUTDOWN);
1390 no_shutdown = 0;
1391 } else
1392 break;
1393 }
1394 if (qemu_reset_requested()) {
1395 pause_all_vcpus();
1396 cpu_synchronize_all_states();
1397 qemu_system_reset();
1398 resume_all_vcpus();
1399 }
1400 if (qemu_powerdown_requested()) {
1401 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1402 qemu_irq_raise(qemu_system_powerdown);
1403 }
1404 if ((r = qemu_vmstop_requested())) {
1405 vm_stop(r);
1406 }
1407 }
1408 bdrv_close_all();
1409 pause_all_vcpus();
1410 }
1411
1412 static void version(void)
1413 {
1414 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1415 }
1416
1417 static void help(int exitcode)
1418 {
1419 const char *options_help =
1420 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1421 opt_help
1422 #define DEFHEADING(text) stringify(text) "\n"
1423 #include "qemu-options.def"
1424 #undef DEF
1425 #undef DEFHEADING
1426 #undef GEN_DOCS
1427 ;
1428 version();
1429 printf("usage: %s [options] [disk_image]\n"
1430 "\n"
1431 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1432 "\n"
1433 "%s\n"
1434 "During emulation, the following keys are useful:\n"
1435 "ctrl-alt-f toggle full screen\n"
1436 "ctrl-alt-n switch to virtual console 'n'\n"
1437 "ctrl-alt toggle mouse and keyboard grab\n"
1438 "\n"
1439 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1440 "qemu",
1441 options_help);
1442 exit(exitcode);
1443 }
1444
1445 #define HAS_ARG 0x0001
1446
1447 typedef struct QEMUOption {
1448 const char *name;
1449 int flags;
1450 int index;
1451 uint32_t arch_mask;
1452 } QEMUOption;
1453
1454 static const QEMUOption qemu_options[] = {
1455 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1456 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1457 { option, opt_arg, opt_enum, arch_mask },
1458 #define DEFHEADING(text)
1459 #include "qemu-options.def"
1460 #undef DEF
1461 #undef DEFHEADING
1462 #undef GEN_DOCS
1463 { NULL },
1464 };
1465 static void select_vgahw (const char *p)
1466 {
1467 const char *opts;
1468
1469 default_vga = 0;
1470 vga_interface_type = VGA_NONE;
1471 if (strstart(p, "std", &opts)) {
1472 vga_interface_type = VGA_STD;
1473 } else if (strstart(p, "cirrus", &opts)) {
1474 vga_interface_type = VGA_CIRRUS;
1475 } else if (strstart(p, "vmware", &opts)) {
1476 vga_interface_type = VGA_VMWARE;
1477 } else if (strstart(p, "xenfb", &opts)) {
1478 vga_interface_type = VGA_XENFB;
1479 } else if (strstart(p, "qxl", &opts)) {
1480 vga_interface_type = VGA_QXL;
1481 } else if (!strstart(p, "none", &opts)) {
1482 invalid_vga:
1483 fprintf(stderr, "Unknown vga type: %s\n", p);
1484 exit(1);
1485 }
1486 while (*opts) {
1487 const char *nextopt;
1488
1489 if (strstart(opts, ",retrace=", &nextopt)) {
1490 opts = nextopt;
1491 if (strstart(opts, "dumb", &nextopt))
1492 vga_retrace_method = VGA_RETRACE_DUMB;
1493 else if (strstart(opts, "precise", &nextopt))
1494 vga_retrace_method = VGA_RETRACE_PRECISE;
1495 else goto invalid_vga;
1496 } else goto invalid_vga;
1497 opts = nextopt;
1498 }
1499 }
1500
1501 static DisplayType select_display(const char *p)
1502 {
1503 const char *opts;
1504 DisplayType display = DT_DEFAULT;
1505
1506 if (strstart(p, "sdl", &opts)) {
1507 #ifdef CONFIG_SDL
1508 display = DT_SDL;
1509 while (*opts) {
1510 const char *nextopt;
1511
1512 if (strstart(opts, ",frame=", &nextopt)) {
1513 opts = nextopt;
1514 if (strstart(opts, "on", &nextopt)) {
1515 no_frame = 0;
1516 } else if (strstart(opts, "off", &nextopt)) {
1517 no_frame = 1;
1518 } else {
1519 goto invalid_sdl_args;
1520 }
1521 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1522 opts = nextopt;
1523 if (strstart(opts, "on", &nextopt)) {
1524 alt_grab = 1;
1525 } else if (strstart(opts, "off", &nextopt)) {
1526 alt_grab = 0;
1527 } else {
1528 goto invalid_sdl_args;
1529 }
1530 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1531 opts = nextopt;
1532 if (strstart(opts, "on", &nextopt)) {
1533 ctrl_grab = 1;
1534 } else if (strstart(opts, "off", &nextopt)) {
1535 ctrl_grab = 0;
1536 } else {
1537 goto invalid_sdl_args;
1538 }
1539 } else if (strstart(opts, ",window_close=", &nextopt)) {
1540 opts = nextopt;
1541 if (strstart(opts, "on", &nextopt)) {
1542 no_quit = 0;
1543 } else if (strstart(opts, "off", &nextopt)) {
1544 no_quit = 1;
1545 } else {
1546 goto invalid_sdl_args;
1547 }
1548 } else {
1549 invalid_sdl_args:
1550 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1551 exit(1);
1552 }
1553 opts = nextopt;
1554 }
1555 #else
1556 fprintf(stderr, "SDL support is disabled\n");
1557 exit(1);
1558 #endif
1559 } else if (strstart(p, "vnc", &opts)) {
1560 #ifdef CONFIG_VNC
1561 display_remote++;
1562
1563 if (*opts) {
1564 const char *nextopt;
1565
1566 if (strstart(opts, "=", &nextopt)) {
1567 vnc_display = nextopt;
1568 }
1569 }
1570 if (!vnc_display) {
1571 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1572 exit(1);
1573 }
1574 #else
1575 fprintf(stderr, "VNC support is disabled\n");
1576 exit(1);
1577 #endif
1578 } else if (strstart(p, "curses", &opts)) {
1579 #ifdef CONFIG_CURSES
1580 display = DT_CURSES;
1581 #else
1582 fprintf(stderr, "Curses support is disabled\n");
1583 exit(1);
1584 #endif
1585 } else if (strstart(p, "none", &opts)) {
1586 display = DT_NONE;
1587 } else {
1588 fprintf(stderr, "Unknown display type: %s\n", p);
1589 exit(1);
1590 }
1591
1592 return display;
1593 }
1594
1595 static int balloon_parse(const char *arg)
1596 {
1597 QemuOpts *opts;
1598
1599 if (strcmp(arg, "none") == 0) {
1600 return 0;
1601 }
1602
1603 if (!strncmp(arg, "virtio", 6)) {
1604 if (arg[6] == ',') {
1605 /* have params -> parse them */
1606 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1607 if (!opts)
1608 return -1;
1609 } else {
1610 /* create empty opts */
1611 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1612 }
1613 qemu_opt_set(opts, "driver", "virtio-balloon");
1614 return 0;
1615 }
1616
1617 return -1;
1618 }
1619
1620 char *qemu_find_file(int type, const char *name)
1621 {
1622 int len;
1623 const char *subdir;
1624 char *buf;
1625
1626 /* If name contains path separators then try it as a straight path. */
1627 if ((strchr(name, '/') || strchr(name, '\\'))
1628 && access(name, R_OK) == 0) {
1629 return qemu_strdup(name);
1630 }
1631 switch (type) {
1632 case QEMU_FILE_TYPE_BIOS:
1633 subdir = "";
1634 break;
1635 case QEMU_FILE_TYPE_KEYMAP:
1636 subdir = "keymaps/";
1637 break;
1638 default:
1639 abort();
1640 }
1641 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1642 buf = qemu_mallocz(len);
1643 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1644 if (access(buf, R_OK)) {
1645 qemu_free(buf);
1646 return NULL;
1647 }
1648 return buf;
1649 }
1650
1651 static int device_help_func(QemuOpts *opts, void *opaque)
1652 {
1653 return qdev_device_help(opts);
1654 }
1655
1656 static int device_init_func(QemuOpts *opts, void *opaque)
1657 {
1658 DeviceState *dev;
1659
1660 dev = qdev_device_add(opts);
1661 if (!dev)
1662 return -1;
1663 return 0;
1664 }
1665
1666 static int chardev_init_func(QemuOpts *opts, void *opaque)
1667 {
1668 CharDriverState *chr;
1669
1670 chr = qemu_chr_open_opts(opts, NULL);
1671 if (!chr)
1672 return -1;
1673 return 0;
1674 }
1675
1676 #ifdef CONFIG_VIRTFS
1677 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1678 {
1679 int ret;
1680 ret = qemu_fsdev_add(opts);
1681
1682 return ret;
1683 }
1684 #endif
1685
1686 static int mon_init_func(QemuOpts *opts, void *opaque)
1687 {
1688 CharDriverState *chr;
1689 const char *chardev;
1690 const char *mode;
1691 int flags;
1692
1693 mode = qemu_opt_get(opts, "mode");
1694 if (mode == NULL) {
1695 mode = "readline";
1696 }
1697 if (strcmp(mode, "readline") == 0) {
1698 flags = MONITOR_USE_READLINE;
1699 } else if (strcmp(mode, "control") == 0) {
1700 flags = MONITOR_USE_CONTROL;
1701 } else {
1702 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1703 exit(1);
1704 }
1705
1706 if (qemu_opt_get_bool(opts, "pretty", 0))
1707 flags |= MONITOR_USE_PRETTY;
1708
1709 if (qemu_opt_get_bool(opts, "default", 0))
1710 flags |= MONITOR_IS_DEFAULT;
1711
1712 chardev = qemu_opt_get(opts, "chardev");
1713 chr = qemu_chr_find(chardev);
1714 if (chr == NULL) {
1715 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1716 exit(1);
1717 }
1718
1719 monitor_init(chr, flags);
1720 return 0;
1721 }
1722
1723 static void monitor_parse(const char *optarg, const char *mode)
1724 {
1725 static int monitor_device_index = 0;
1726 QemuOpts *opts;
1727 const char *p;
1728 char label[32];
1729 int def = 0;
1730
1731 if (strstart(optarg, "chardev:", &p)) {
1732 snprintf(label, sizeof(label), "%s", p);
1733 } else {
1734 snprintf(label, sizeof(label), "compat_monitor%d",
1735 monitor_device_index);
1736 if (monitor_device_index == 0) {
1737 def = 1;
1738 }
1739 opts = qemu_chr_parse_compat(label, optarg);
1740 if (!opts) {
1741 fprintf(stderr, "parse error: %s\n", optarg);
1742 exit(1);
1743 }
1744 }
1745
1746 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1747 if (!opts) {
1748 fprintf(stderr, "duplicate chardev: %s\n", label);
1749 exit(1);
1750 }
1751 qemu_opt_set(opts, "mode", mode);
1752 qemu_opt_set(opts, "chardev", label);
1753 if (def)
1754 qemu_opt_set(opts, "default", "on");
1755 monitor_device_index++;
1756 }
1757
1758 struct device_config {
1759 enum {
1760 DEV_USB, /* -usbdevice */
1761 DEV_BT, /* -bt */
1762 DEV_SERIAL, /* -serial */
1763 DEV_PARALLEL, /* -parallel */
1764 DEV_VIRTCON, /* -virtioconsole */
1765 DEV_DEBUGCON, /* -debugcon */
1766 } type;
1767 const char *cmdline;
1768 QTAILQ_ENTRY(device_config) next;
1769 };
1770 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1771
1772 static void add_device_config(int type, const char *cmdline)
1773 {
1774 struct device_config *conf;
1775
1776 conf = qemu_mallocz(sizeof(*conf));
1777 conf->type = type;
1778 conf->cmdline = cmdline;
1779 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1780 }
1781
1782 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1783 {
1784 struct device_config *conf;
1785 int rc;
1786
1787 QTAILQ_FOREACH(conf, &device_configs, next) {
1788 if (conf->type != type)
1789 continue;
1790 rc = func(conf->cmdline);
1791 if (0 != rc)
1792 return rc;
1793 }
1794 return 0;
1795 }
1796
1797 static int serial_parse(const char *devname)
1798 {
1799 static int index = 0;
1800 char label[32];
1801
1802 if (strcmp(devname, "none") == 0)
1803 return 0;
1804 if (index == MAX_SERIAL_PORTS) {
1805 fprintf(stderr, "qemu: too many serial ports\n");
1806 exit(1);
1807 }
1808 snprintf(label, sizeof(label), "serial%d", index);
1809 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1810 if (!serial_hds[index]) {
1811 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1812 devname, strerror(errno));
1813 return -1;
1814 }
1815 index++;
1816 return 0;
1817 }
1818
1819 static int parallel_parse(const char *devname)
1820 {
1821 static int index = 0;
1822 char label[32];
1823
1824 if (strcmp(devname, "none") == 0)
1825 return 0;
1826 if (index == MAX_PARALLEL_PORTS) {
1827 fprintf(stderr, "qemu: too many parallel ports\n");
1828 exit(1);
1829 }
1830 snprintf(label, sizeof(label), "parallel%d", index);
1831 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1832 if (!parallel_hds[index]) {
1833 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1834 devname, strerror(errno));
1835 return -1;
1836 }
1837 index++;
1838 return 0;
1839 }
1840
1841 static int virtcon_parse(const char *devname)
1842 {
1843 QemuOptsList *device = qemu_find_opts("device");
1844 static int index = 0;
1845 char label[32];
1846 QemuOpts *bus_opts, *dev_opts;
1847
1848 if (strcmp(devname, "none") == 0)
1849 return 0;
1850 if (index == MAX_VIRTIO_CONSOLES) {
1851 fprintf(stderr, "qemu: too many virtio consoles\n");
1852 exit(1);
1853 }
1854
1855 bus_opts = qemu_opts_create(device, NULL, 0);
1856 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1857
1858 dev_opts = qemu_opts_create(device, NULL, 0);
1859 qemu_opt_set(dev_opts, "driver", "virtconsole");
1860
1861 snprintf(label, sizeof(label), "virtcon%d", index);
1862 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1863 if (!virtcon_hds[index]) {
1864 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1865 devname, strerror(errno));
1866 return -1;
1867 }
1868 qemu_opt_set(dev_opts, "chardev", label);
1869
1870 index++;
1871 return 0;
1872 }
1873
1874 static int debugcon_parse(const char *devname)
1875 {
1876 QemuOpts *opts;
1877
1878 if (!qemu_chr_open("debugcon", devname, NULL)) {
1879 exit(1);
1880 }
1881 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1882 if (!opts) {
1883 fprintf(stderr, "qemu: already have a debugcon device\n");
1884 exit(1);
1885 }
1886 qemu_opt_set(opts, "driver", "isa-debugcon");
1887 qemu_opt_set(opts, "chardev", "debugcon");
1888 return 0;
1889 }
1890
1891 static int tcg_init(void)
1892 {
1893 return 0;
1894 }
1895
1896 static struct {
1897 const char *opt_name;
1898 const char *name;
1899 int (*available)(void);
1900 int (*init)(void);
1901 int *allowed;
1902 } accel_list[] = {
1903 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
1904 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
1905 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
1906 };
1907
1908 static int configure_accelerator(void)
1909 {
1910 const char *p = NULL;
1911 char buf[10];
1912 int i, ret;
1913 bool accel_initalised = 0;
1914 bool init_failed = 0;
1915
1916 QemuOptsList *list = qemu_find_opts("machine");
1917 if (!QTAILQ_EMPTY(&list->head)) {
1918 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
1919 }
1920
1921 if (p == NULL) {
1922 /* Use the default "accelerator", tcg */
1923 p = "tcg";
1924 }
1925
1926 while (!accel_initalised && *p != '\0') {
1927 if (*p == ':') {
1928 p++;
1929 }
1930 p = get_opt_name(buf, sizeof (buf), p, ':');
1931 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
1932 if (strcmp(accel_list[i].opt_name, buf) == 0) {
1933 ret = accel_list[i].init();
1934 if (ret < 0) {
1935 init_failed = 1;
1936 if (!accel_list[i].available()) {
1937 printf("%s not supported for this target\n",
1938 accel_list[i].name);
1939 } else {
1940 fprintf(stderr, "failed to initialize %s: %s\n",
1941 accel_list[i].name,
1942 strerror(-ret));
1943 }
1944 } else {
1945 accel_initalised = 1;
1946 *(accel_list[i].allowed) = 1;
1947 }
1948 break;
1949 }
1950 }
1951 if (i == ARRAY_SIZE(accel_list)) {
1952 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
1953 }
1954 }
1955
1956 if (!accel_initalised) {
1957 fprintf(stderr, "No accelerator found!\n");
1958 exit(1);
1959 }
1960
1961 if (init_failed) {
1962 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
1963 }
1964
1965 return !accel_initalised;
1966 }
1967
1968 void qemu_add_exit_notifier(Notifier *notify)
1969 {
1970 notifier_list_add(&exit_notifiers, notify);
1971 }
1972
1973 void qemu_remove_exit_notifier(Notifier *notify)
1974 {
1975 notifier_list_remove(&exit_notifiers, notify);
1976 }
1977
1978 static void qemu_run_exit_notifiers(void)
1979 {
1980 notifier_list_notify(&exit_notifiers);
1981 }
1982
1983 void qemu_add_machine_init_done_notifier(Notifier *notify)
1984 {
1985 notifier_list_add(&machine_init_done_notifiers, notify);
1986 }
1987
1988 static void qemu_run_machine_init_done_notifiers(void)
1989 {
1990 notifier_list_notify(&machine_init_done_notifiers);
1991 }
1992
1993 static const QEMUOption *lookup_opt(int argc, char **argv,
1994 const char **poptarg, int *poptind)
1995 {
1996 const QEMUOption *popt;
1997 int optind = *poptind;
1998 char *r = argv[optind];
1999 const char *optarg;
2000
2001 loc_set_cmdline(argv, optind, 1);
2002 optind++;
2003 /* Treat --foo the same as -foo. */
2004 if (r[1] == '-')
2005 r++;
2006 popt = qemu_options;
2007 for(;;) {
2008 if (!popt->name) {
2009 error_report("invalid option");
2010 exit(1);
2011 }
2012 if (!strcmp(popt->name, r + 1))
2013 break;
2014 popt++;
2015 }
2016 if (popt->flags & HAS_ARG) {
2017 if (optind >= argc) {
2018 error_report("requires an argument");
2019 exit(1);
2020 }
2021 optarg = argv[optind++];
2022 loc_set_cmdline(argv, optind - 2, 2);
2023 } else {
2024 optarg = NULL;
2025 }
2026
2027 *poptarg = optarg;
2028 *poptind = optind;
2029
2030 return popt;
2031 }
2032
2033 int main(int argc, char **argv, char **envp)
2034 {
2035 const char *gdbstub_dev = NULL;
2036 int i;
2037 int snapshot, linux_boot;
2038 const char *icount_option = NULL;
2039 const char *initrd_filename;
2040 const char *kernel_filename, *kernel_cmdline;
2041 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2042 DisplayState *ds;
2043 DisplayChangeListener *dcl;
2044 int cyls, heads, secs, translation;
2045 QemuOpts *hda_opts = NULL, *opts;
2046 QemuOptsList *olist;
2047 int optind;
2048 const char *optarg;
2049 const char *loadvm = NULL;
2050 QEMUMachine *machine;
2051 const char *cpu_model;
2052 int tb_size;
2053 const char *pid_file = NULL;
2054 const char *incoming = NULL;
2055 #ifdef CONFIG_VNC
2056 int show_vnc_port = 0;
2057 #endif
2058 int defconfig = 1;
2059 const char *trace_file = NULL;
2060
2061 atexit(qemu_run_exit_notifiers);
2062 error_set_progname(argv[0]);
2063
2064 init_clocks();
2065
2066 qemu_cache_utils_init(envp);
2067
2068 QLIST_INIT (&vm_change_state_head);
2069 os_setup_early_signal_handling();
2070
2071 module_call_init(MODULE_INIT_MACHINE);
2072 machine = find_default_machine();
2073 cpu_model = NULL;
2074 initrd_filename = NULL;
2075 ram_size = 0;
2076 snapshot = 0;
2077 kernel_filename = NULL;
2078 kernel_cmdline = "";
2079 cyls = heads = secs = 0;
2080 translation = BIOS_ATA_TRANSLATION_AUTO;
2081
2082 for (i = 0; i < MAX_NODES; i++) {
2083 node_mem[i] = 0;
2084 node_cpumask[i] = 0;
2085 }
2086
2087 nb_numa_nodes = 0;
2088 nb_nics = 0;
2089
2090 tb_size = 0;
2091 autostart= 1;
2092
2093 /* first pass of option parsing */
2094 optind = 1;
2095 while (optind < argc) {
2096 if (argv[optind][0] != '-') {
2097 /* disk image */
2098 optind++;
2099 continue;
2100 } else {
2101 const QEMUOption *popt;
2102
2103 popt = lookup_opt(argc, argv, &optarg, &optind);
2104 switch (popt->index) {
2105 case QEMU_OPTION_nodefconfig:
2106 defconfig=0;
2107 break;
2108 }
2109 }
2110 }
2111
2112 if (defconfig) {
2113 int ret;
2114
2115 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2116 if (ret < 0 && ret != -ENOENT) {
2117 exit(1);
2118 }
2119
2120 ret = qemu_read_config_file(arch_config_name);
2121 if (ret < 0 && ret != -ENOENT) {
2122 exit(1);
2123 }
2124 }
2125 cpudef_init();
2126
2127 /* second pass of option parsing */
2128 optind = 1;
2129 for(;;) {
2130 if (optind >= argc)
2131 break;
2132 if (argv[optind][0] != '-') {
2133 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2134 } else {
2135 const QEMUOption *popt;
2136
2137 popt = lookup_opt(argc, argv, &optarg, &optind);
2138 if (!(popt->arch_mask & arch_type)) {
2139 printf("Option %s not supported for this target\n", popt->name);
2140 exit(1);
2141 }
2142 switch(popt->index) {
2143 case QEMU_OPTION_M:
2144 machine = find_machine(optarg);
2145 if (!machine) {
2146 QEMUMachine *m;
2147 printf("Supported machines are:\n");
2148 for(m = first_machine; m != NULL; m = m->next) {
2149 if (m->alias)
2150 printf("%-10s %s (alias of %s)\n",
2151 m->alias, m->desc, m->name);
2152 printf("%-10s %s%s\n",
2153 m->name, m->desc,
2154 m->is_default ? " (default)" : "");
2155 }
2156 exit(*optarg != '?');
2157 }
2158 break;
2159 case QEMU_OPTION_cpu:
2160 /* hw initialization will check this */
2161 if (*optarg == '?') {
2162 list_cpus(stdout, &fprintf, optarg);
2163 exit(0);
2164 } else {
2165 cpu_model = optarg;
2166 }
2167 break;
2168 case QEMU_OPTION_initrd:
2169 initrd_filename = optarg;
2170 break;
2171 case QEMU_OPTION_hda:
2172 {
2173 char buf[256];
2174 if (cyls == 0)
2175 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2176 else
2177 snprintf(buf, sizeof(buf),
2178 "%s,cyls=%d,heads=%d,secs=%d%s",
2179 HD_OPTS , cyls, heads, secs,
2180 translation == BIOS_ATA_TRANSLATION_LBA ?
2181 ",trans=lba" :
2182 translation == BIOS_ATA_TRANSLATION_NONE ?
2183 ",trans=none" : "");
2184 drive_add(IF_DEFAULT, 0, optarg, buf);
2185 break;
2186 }
2187 case QEMU_OPTION_hdb:
2188 case QEMU_OPTION_hdc:
2189 case QEMU_OPTION_hdd:
2190 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2191 HD_OPTS);
2192 break;
2193 case QEMU_OPTION_drive:
2194 if (drive_def(optarg) == NULL) {
2195 exit(1);
2196 }
2197 break;
2198 case QEMU_OPTION_set:
2199 if (qemu_set_option(optarg) != 0)
2200 exit(1);
2201 break;
2202 case QEMU_OPTION_global:
2203 if (qemu_global_option(optarg) != 0)
2204 exit(1);
2205 break;
2206 case QEMU_OPTION_mtdblock:
2207 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2208 break;
2209 case QEMU_OPTION_sd:
2210 drive_add(IF_SD, 0, optarg, SD_OPTS);
2211 break;
2212 case QEMU_OPTION_pflash:
2213 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2214 break;
2215 case QEMU_OPTION_snapshot:
2216 snapshot = 1;
2217 break;
2218 case QEMU_OPTION_hdachs:
2219 {
2220 const char *p;
2221 p = optarg;
2222 cyls = strtol(p, (char **)&p, 0);
2223 if (cyls < 1 || cyls > 16383)
2224 goto chs_fail;
2225 if (*p != ',')
2226 goto chs_fail;
2227 p++;
2228 heads = strtol(p, (char **)&p, 0);
2229 if (heads < 1 || heads > 16)
2230 goto chs_fail;
2231 if (*p != ',')
2232 goto chs_fail;
2233 p++;
2234 secs = strtol(p, (char **)&p, 0);
2235 if (secs < 1 || secs > 63)
2236 goto chs_fail;
2237 if (*p == ',') {
2238 p++;
2239 if (!strcmp(p, "none"))
2240 translation = BIOS_ATA_TRANSLATION_NONE;
2241 else if (!strcmp(p, "lba"))
2242 translation = BIOS_ATA_TRANSLATION_LBA;
2243 else if (!strcmp(p, "auto"))
2244 translation = BIOS_ATA_TRANSLATION_AUTO;
2245 else
2246 goto chs_fail;
2247 } else if (*p != '\0') {
2248 chs_fail:
2249 fprintf(stderr, "qemu: invalid physical CHS format\n");
2250 exit(1);
2251 }
2252 if (hda_opts != NULL) {
2253 char num[16];
2254 snprintf(num, sizeof(num), "%d", cyls);
2255 qemu_opt_set(hda_opts, "cyls", num);
2256 snprintf(num, sizeof(num), "%d", heads);
2257 qemu_opt_set(hda_opts, "heads", num);
2258 snprintf(num, sizeof(num), "%d", secs);
2259 qemu_opt_set(hda_opts, "secs", num);
2260 if (translation == BIOS_ATA_TRANSLATION_LBA)
2261 qemu_opt_set(hda_opts, "trans", "lba");
2262 if (translation == BIOS_ATA_TRANSLATION_NONE)
2263 qemu_opt_set(hda_opts, "trans", "none");
2264 }
2265 }
2266 break;
2267 case QEMU_OPTION_numa:
2268 if (nb_numa_nodes >= MAX_NODES) {
2269 fprintf(stderr, "qemu: too many NUMA nodes\n");
2270 exit(1);
2271 }
2272 numa_add(optarg);
2273 break;
2274 case QEMU_OPTION_display:
2275 display_type = select_display(optarg);
2276 break;
2277 case QEMU_OPTION_nographic:
2278 display_type = DT_NOGRAPHIC;
2279 break;
2280 case QEMU_OPTION_curses:
2281 #ifdef CONFIG_CURSES
2282 display_type = DT_CURSES;
2283 #else
2284 fprintf(stderr, "Curses support is disabled\n");
2285 exit(1);
2286 #endif
2287 break;
2288 case QEMU_OPTION_portrait:
2289 graphic_rotate = 1;
2290 break;
2291 case QEMU_OPTION_kernel:
2292 kernel_filename = optarg;
2293 break;
2294 case QEMU_OPTION_append:
2295 kernel_cmdline = optarg;
2296 break;
2297 case QEMU_OPTION_cdrom:
2298 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2299 break;
2300 case QEMU_OPTION_boot:
2301 {
2302 static const char * const params[] = {
2303 "order", "once", "menu", NULL
2304 };
2305 char buf[sizeof(boot_devices)];
2306 char *standard_boot_devices;
2307 int legacy = 0;
2308
2309 if (!strchr(optarg, '=')) {
2310 legacy = 1;
2311 pstrcpy(buf, sizeof(buf), optarg);
2312 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2313 fprintf(stderr,
2314 "qemu: unknown boot parameter '%s' in '%s'\n",
2315 buf, optarg);
2316 exit(1);
2317 }
2318
2319 if (legacy ||
2320 get_param_value(buf, sizeof(buf), "order", optarg)) {
2321 validate_bootdevices(buf);
2322 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2323 }
2324 if (!legacy) {
2325 if (get_param_value(buf, sizeof(buf),
2326 "once", optarg)) {
2327 validate_bootdevices(buf);
2328 standard_boot_devices = qemu_strdup(boot_devices);
2329 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2330 qemu_register_reset(restore_boot_devices,
2331 standard_boot_devices);
2332 }
2333 if (get_param_value(buf, sizeof(buf),
2334 "menu", optarg)) {
2335 if (!strcmp(buf, "on")) {
2336 boot_menu = 1;
2337 } else if (!strcmp(buf, "off")) {
2338 boot_menu = 0;
2339 } else {
2340 fprintf(stderr,
2341 "qemu: invalid option value '%s'\n",
2342 buf);
2343 exit(1);
2344 }
2345 }
2346 }
2347 }
2348 break;
2349 case QEMU_OPTION_fda:
2350 case QEMU_OPTION_fdb:
2351 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2352 optarg, FD_OPTS);
2353 break;
2354 case QEMU_OPTION_no_fd_bootchk:
2355 fd_bootchk = 0;
2356 break;
2357 case QEMU_OPTION_netdev:
2358 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2359 exit(1);
2360 }
2361 break;
2362 case QEMU_OPTION_net:
2363 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2364 exit(1);
2365 }
2366 break;
2367 #ifdef CONFIG_SLIRP
2368 case QEMU_OPTION_tftp:
2369 legacy_tftp_prefix = optarg;
2370 break;
2371 case QEMU_OPTION_bootp:
2372 legacy_bootp_filename = optarg;
2373 break;
2374 case QEMU_OPTION_redir:
2375 if (net_slirp_redir(optarg) < 0)
2376 exit(1);
2377 break;
2378 #endif
2379 case QEMU_OPTION_bt:
2380 add_device_config(DEV_BT, optarg);
2381 break;
2382 case QEMU_OPTION_audio_help:
2383 if (!(audio_available())) {
2384 printf("Option %s not supported for this target\n", popt->name);
2385 exit(1);
2386 }
2387 AUD_help ();
2388 exit (0);
2389 break;
2390 case QEMU_OPTION_soundhw:
2391 if (!(audio_available())) {
2392 printf("Option %s not supported for this target\n", popt->name);
2393 exit(1);
2394 }
2395 select_soundhw (optarg);
2396 break;
2397 case QEMU_OPTION_h:
2398 help(0);
2399 break;
2400 case QEMU_OPTION_version:
2401 version();
2402 exit(0);
2403 break;
2404 case QEMU_OPTION_m: {
2405 int64_t value;
2406
2407 value = strtosz(optarg, NULL);
2408 if (value < 0) {
2409 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2410 exit(1);
2411 }
2412
2413 /* On 32-bit hosts, QEMU is limited by virtual address space */
2414 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2415 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2416 exit(1);
2417 }
2418 if (value != (uint64_t)(ram_addr_t)value) {
2419 fprintf(stderr, "qemu: ram size too large\n");
2420 exit(1);
2421 }
2422 ram_size = value;
2423 break;
2424 }
2425 case QEMU_OPTION_mempath:
2426 mem_path = optarg;
2427 break;
2428 #ifdef MAP_POPULATE
2429 case QEMU_OPTION_mem_prealloc:
2430 mem_prealloc = 1;
2431 break;
2432 #endif
2433 case QEMU_OPTION_d:
2434 set_cpu_log(optarg);
2435 break;
2436 case QEMU_OPTION_s:
2437 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2438 break;
2439 case QEMU_OPTION_gdb:
2440 gdbstub_dev = optarg;
2441 break;
2442 case QEMU_OPTION_L:
2443 data_dir = optarg;
2444 break;
2445 case QEMU_OPTION_bios:
2446 bios_name = optarg;
2447 break;
2448 case QEMU_OPTION_singlestep:
2449 singlestep = 1;
2450 break;
2451 case QEMU_OPTION_S:
2452 autostart = 0;
2453 break;
2454 case QEMU_OPTION_k:
2455 keyboard_layout = optarg;
2456 break;
2457 case QEMU_OPTION_localtime:
2458 rtc_utc = 0;
2459 break;
2460 case QEMU_OPTION_vga:
2461 select_vgahw (optarg);
2462 break;
2463 case QEMU_OPTION_g:
2464 {
2465 const char *p;
2466 int w, h, depth;
2467 p = optarg;
2468 w = strtol(p, (char **)&p, 10);
2469 if (w <= 0) {
2470 graphic_error:
2471 fprintf(stderr, "qemu: invalid resolution or depth\n");
2472 exit(1);
2473 }
2474 if (*p != 'x')
2475 goto graphic_error;
2476 p++;
2477 h = strtol(p, (char **)&p, 10);
2478 if (h <= 0)
2479 goto graphic_error;
2480 if (*p == 'x') {
2481 p++;
2482 depth = strtol(p, (char **)&p, 10);
2483 if (depth != 8 && depth != 15 && depth != 16 &&
2484 depth != 24 && depth != 32)
2485 goto graphic_error;
2486 } else if (*p == '\0') {
2487 depth = graphic_depth;
2488 } else {
2489 goto graphic_error;
2490 }
2491
2492 graphic_width = w;
2493 graphic_height = h;
2494 graphic_depth = depth;
2495 }
2496 break;
2497 case QEMU_OPTION_echr:
2498 {
2499 char *r;
2500 term_escape_char = strtol(optarg, &r, 0);
2501 if (r == optarg)
2502 printf("Bad argument to echr\n");
2503 break;
2504 }
2505 case QEMU_OPTION_monitor:
2506 monitor_parse(optarg, "readline");
2507 default_monitor = 0;
2508 break;
2509 case QEMU_OPTION_qmp:
2510 monitor_parse(optarg, "control");
2511 default_monitor = 0;
2512 break;
2513 case QEMU_OPTION_mon:
2514 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2515 if (!opts) {
2516 exit(1);
2517 }
2518 default_monitor = 0;
2519 break;
2520 case QEMU_OPTION_chardev:
2521 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2522 if (!opts) {
2523 exit(1);
2524 }
2525 break;
2526 case QEMU_OPTION_fsdev:
2527 olist = qemu_find_opts("fsdev");
2528 if (!olist) {
2529 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2530 exit(1);
2531 }
2532 opts = qemu_opts_parse(olist, optarg, 1);
2533 if (!opts) {
2534 fprintf(stderr, "parse error: %s\n", optarg);
2535 exit(1);
2536 }
2537 break;
2538 case QEMU_OPTION_virtfs: {
2539 QemuOpts *fsdev;
2540 QemuOpts *device;
2541
2542 olist = qemu_find_opts("virtfs");
2543 if (!olist) {
2544 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2545 exit(1);
2546 }
2547 opts = qemu_opts_parse(olist, optarg, 1);
2548 if (!opts) {
2549 fprintf(stderr, "parse error: %s\n", optarg);
2550 exit(1);
2551 }
2552
2553 if (qemu_opt_get(opts, "fstype") == NULL ||
2554 qemu_opt_get(opts, "mount_tag") == NULL ||
2555 qemu_opt_get(opts, "path") == NULL ||
2556 qemu_opt_get(opts, "security_model") == NULL) {
2557 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2558 "security_model=[mapped|passthrough|none],"
2559 "mount_tag=tag.\n");
2560 exit(1);
2561 }
2562
2563 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2564 qemu_opt_get(opts, "mount_tag"), 1);
2565 if (!fsdev) {
2566 fprintf(stderr, "duplicate fsdev id: %s\n",
2567 qemu_opt_get(opts, "mount_tag"));
2568 exit(1);
2569 }
2570 qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype"));
2571 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2572 qemu_opt_set(fsdev, "security_model",
2573 qemu_opt_get(opts, "security_model"));
2574
2575 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2576 qemu_opt_set(device, "driver", "virtio-9p-pci");
2577 qemu_opt_set(device, "fsdev",
2578 qemu_opt_get(opts, "mount_tag"));
2579 qemu_opt_set(device, "mount_tag",
2580 qemu_opt_get(opts, "mount_tag"));
2581 break;
2582 }
2583 case QEMU_OPTION_serial:
2584 add_device_config(DEV_SERIAL, optarg);
2585 default_serial = 0;
2586 if (strncmp(optarg, "mon:", 4) == 0) {
2587 default_monitor = 0;
2588 }
2589 break;
2590 case QEMU_OPTION_watchdog:
2591 if (watchdog) {
2592 fprintf(stderr,
2593 "qemu: only one watchdog option may be given\n");
2594 return 1;
2595 }
2596 watchdog = optarg;
2597 break;
2598 case QEMU_OPTION_watchdog_action:
2599 if (select_watchdog_action(optarg) == -1) {
2600 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2601 exit(1);
2602 }
2603 break;
2604 case QEMU_OPTION_virtiocon:
2605 add_device_config(DEV_VIRTCON, optarg);
2606 default_virtcon = 0;
2607 if (strncmp(optarg, "mon:", 4) == 0) {
2608 default_monitor = 0;
2609 }
2610 break;
2611 case QEMU_OPTION_parallel:
2612 add_device_config(DEV_PARALLEL, optarg);
2613 default_parallel = 0;
2614 if (strncmp(optarg, "mon:", 4) == 0) {
2615 default_monitor = 0;
2616 }
2617 break;
2618 case QEMU_OPTION_debugcon:
2619 add_device_config(DEV_DEBUGCON, optarg);
2620 break;
2621 case QEMU_OPTION_loadvm:
2622 loadvm = optarg;
2623 break;
2624 case QEMU_OPTION_full_screen:
2625 full_screen = 1;
2626 break;
2627 #ifdef CONFIG_SDL
2628 case QEMU_OPTION_no_frame:
2629 no_frame = 1;
2630 break;
2631 case QEMU_OPTION_alt_grab:
2632 alt_grab = 1;
2633 break;
2634 case QEMU_OPTION_ctrl_grab:
2635 ctrl_grab = 1;
2636 break;
2637 case QEMU_OPTION_no_quit:
2638 no_quit = 1;
2639 break;
2640 case QEMU_OPTION_sdl:
2641 display_type = DT_SDL;
2642 break;
2643 #else
2644 case QEMU_OPTION_no_frame:
2645 case QEMU_OPTION_alt_grab:
2646 case QEMU_OPTION_ctrl_grab:
2647 case QEMU_OPTION_no_quit:
2648 case QEMU_OPTION_sdl:
2649 fprintf(stderr, "SDL support is disabled\n");
2650 exit(1);
2651 #endif
2652 case QEMU_OPTION_pidfile:
2653 pid_file = optarg;
2654 break;
2655 case QEMU_OPTION_win2k_hack:
2656 win2k_install_hack = 1;
2657 break;
2658 case QEMU_OPTION_rtc_td_hack:
2659 rtc_td_hack = 1;
2660 break;
2661 case QEMU_OPTION_acpitable:
2662 do_acpitable_option(optarg);
2663 break;
2664 case QEMU_OPTION_smbios:
2665 do_smbios_option(optarg);
2666 break;
2667 case QEMU_OPTION_enable_kvm:
2668 olist = qemu_find_opts("machine");
2669 qemu_opts_reset(olist);
2670 qemu_opts_parse(olist, "accel=kvm", 0);
2671 break;
2672 case QEMU_OPTION_machine:
2673 olist = qemu_find_opts("machine");
2674 qemu_opts_reset(olist);
2675 opts = qemu_opts_parse(olist, optarg, 0);
2676 if (!opts) {
2677 fprintf(stderr, "parse error: %s\n", optarg);
2678 exit(1);
2679 }
2680 break;
2681 case QEMU_OPTION_usb:
2682 usb_enabled = 1;
2683 break;
2684 case QEMU_OPTION_usbdevice:
2685 usb_enabled = 1;
2686 add_device_config(DEV_USB, optarg);
2687 break;
2688 case QEMU_OPTION_device:
2689 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2690 exit(1);
2691 }
2692 break;
2693 case QEMU_OPTION_smp:
2694 smp_parse(optarg);
2695 if (smp_cpus < 1) {
2696 fprintf(stderr, "Invalid number of CPUs\n");
2697 exit(1);
2698 }
2699 if (max_cpus < smp_cpus) {
2700 fprintf(stderr, "maxcpus must be equal to or greater than "
2701 "smp\n");
2702 exit(1);
2703 }
2704 if (max_cpus > 255) {
2705 fprintf(stderr, "Unsupported number of maxcpus\n");
2706 exit(1);
2707 }
2708 break;
2709 case QEMU_OPTION_vnc:
2710 #ifdef CONFIG_VNC
2711 display_remote++;
2712 vnc_display = optarg;
2713 #else
2714 fprintf(stderr, "VNC support is disabled\n");
2715 exit(1);
2716 #endif
2717 break;
2718 case QEMU_OPTION_no_acpi:
2719 acpi_enabled = 0;
2720 break;
2721 case QEMU_OPTION_no_hpet:
2722 no_hpet = 1;
2723 break;
2724 case QEMU_OPTION_balloon:
2725 if (balloon_parse(optarg) < 0) {
2726 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2727 exit(1);
2728 }
2729 break;
2730 case QEMU_OPTION_no_reboot:
2731 no_reboot = 1;
2732 break;
2733 case QEMU_OPTION_no_shutdown:
2734 no_shutdown = 1;
2735 break;
2736 case QEMU_OPTION_show_cursor:
2737 cursor_hide = 0;
2738 break;
2739 case QEMU_OPTION_uuid:
2740 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2741 fprintf(stderr, "Fail to parse UUID string."
2742 " Wrong format.\n");
2743 exit(1);
2744 }
2745 break;
2746 case QEMU_OPTION_option_rom:
2747 if (nb_option_roms >= MAX_OPTION_ROMS) {
2748 fprintf(stderr, "Too many option ROMs\n");
2749 exit(1);
2750 }
2751 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2752 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2753 option_rom[nb_option_roms].bootindex =
2754 qemu_opt_get_number(opts, "bootindex", -1);
2755 if (!option_rom[nb_option_roms].name) {
2756 fprintf(stderr, "Option ROM file is not specified\n");
2757 exit(1);
2758 }
2759 nb_option_roms++;
2760 break;
2761 case QEMU_OPTION_semihosting:
2762 semihosting_enabled = 1;
2763 break;
2764 case QEMU_OPTION_name:
2765 qemu_name = qemu_strdup(optarg);
2766 {
2767 char *p = strchr(qemu_name, ',');
2768 if (p != NULL) {
2769 *p++ = 0;
2770 if (strncmp(p, "process=", 8)) {
2771 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2772 exit(1);
2773 }
2774 p += 8;
2775 os_set_proc_name(p);
2776 }
2777 }
2778 break;
2779 case QEMU_OPTION_prom_env:
2780 if (nb_prom_envs >= MAX_PROM_ENVS) {
2781 fprintf(stderr, "Too many prom variables\n");
2782 exit(1);
2783 }
2784 prom_envs[nb_prom_envs] = optarg;
2785 nb_prom_envs++;
2786 break;
2787 case QEMU_OPTION_old_param:
2788 old_param = 1;
2789 break;
2790 case QEMU_OPTION_clock:
2791 configure_alarms(optarg);
2792 break;
2793 case QEMU_OPTION_startdate:
2794 configure_rtc_date_offset(optarg, 1);
2795 break;
2796 case QEMU_OPTION_rtc:
2797 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2798 if (!opts) {
2799 exit(1);
2800 }
2801 configure_rtc(opts);
2802 break;
2803 case QEMU_OPTION_tb_size:
2804 tb_size = strtol(optarg, NULL, 0);
2805 if (tb_size < 0)
2806 tb_size = 0;
2807 break;
2808 case QEMU_OPTION_icount:
2809 icount_option = optarg;
2810 break;
2811 case QEMU_OPTION_incoming:
2812 incoming = optarg;
2813 incoming_expected = true;
2814 break;
2815 case QEMU_OPTION_nodefaults:
2816 default_serial = 0;
2817 default_parallel = 0;
2818 default_virtcon = 0;
2819 default_monitor = 0;
2820 default_vga = 0;
2821 default_net = 0;
2822 default_floppy = 0;
2823 default_cdrom = 0;
2824 default_sdcard = 0;
2825 break;
2826 case QEMU_OPTION_xen_domid:
2827 if (!(xen_available())) {
2828 printf("Option %s not supported for this target\n", popt->name);
2829 exit(1);
2830 }
2831 xen_domid = atoi(optarg);
2832 break;
2833 case QEMU_OPTION_xen_create:
2834 if (!(xen_available())) {
2835 printf("Option %s not supported for this target\n", popt->name);
2836 exit(1);
2837 }
2838 xen_mode = XEN_CREATE;
2839 break;
2840 case QEMU_OPTION_xen_attach:
2841 if (!(xen_available())) {
2842 printf("Option %s not supported for this target\n", popt->name);
2843 exit(1);
2844 }
2845 xen_mode = XEN_ATTACH;
2846 break;
2847 #ifdef CONFIG_SIMPLE_TRACE
2848 case QEMU_OPTION_trace:
2849 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2850 if (opts) {
2851 trace_file = qemu_opt_get(opts, "file");
2852 }
2853 break;
2854 #endif
2855 case QEMU_OPTION_readconfig:
2856 {
2857 int ret = qemu_read_config_file(optarg);
2858 if (ret < 0) {
2859 fprintf(stderr, "read config %s: %s\n", optarg,
2860 strerror(-ret));
2861 exit(1);
2862 }
2863 break;
2864 }
2865 case QEMU_OPTION_spice:
2866 olist = qemu_find_opts("spice");
2867 if (!olist) {
2868 fprintf(stderr, "spice is not supported by this qemu build.\n");
2869 exit(1);
2870 }
2871 opts = qemu_opts_parse(olist, optarg, 0);
2872 if (!opts) {
2873 fprintf(stderr, "parse error: %s\n", optarg);
2874 exit(1);
2875 }
2876 break;
2877 case QEMU_OPTION_writeconfig:
2878 {
2879 FILE *fp;
2880 if (strcmp(optarg, "-") == 0) {
2881 fp = stdout;
2882 } else {
2883 fp = fopen(optarg, "w");
2884 if (fp == NULL) {
2885 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2886 exit(1);
2887 }
2888 }
2889 qemu_config_write(fp);
2890 fclose(fp);
2891 break;
2892 }
2893 default:
2894 os_parse_cmd_args(popt->index, optarg);
2895 }
2896 }
2897 }
2898 loc_set_none();
2899
2900 if (!st_init(trace_file)) {
2901 fprintf(stderr, "warning: unable to initialize simple trace backend\n");
2902 }
2903
2904 /* If no data_dir is specified then try to find it relative to the
2905 executable path. */
2906 if (!data_dir) {
2907 data_dir = os_find_datadir(argv[0]);
2908 }
2909 /* If all else fails use the install patch specified when building. */
2910 if (!data_dir) {
2911 data_dir = CONFIG_QEMU_DATADIR;
2912 }
2913
2914 /*
2915 * Default to max_cpus = smp_cpus, in case the user doesn't
2916 * specify a max_cpus value.
2917 */
2918 if (!max_cpus)
2919 max_cpus = smp_cpus;
2920
2921 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2922 if (smp_cpus > machine->max_cpus) {
2923 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2924 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2925 machine->max_cpus);
2926 exit(1);
2927 }
2928
2929 /*
2930 * Get the default machine options from the machine if it is not already
2931 * specified either by the configuration file or by the command line.
2932 */
2933 if (machine->default_machine_opts) {
2934 QemuOptsList *list = qemu_find_opts("machine");
2935 const char *p = NULL;
2936
2937 if (!QTAILQ_EMPTY(&list->head)) {
2938 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2939 }
2940 if (p == NULL) {
2941 opts = qemu_opts_parse(qemu_find_opts("machine"),
2942 machine->default_machine_opts, 0);
2943 if (!opts) {
2944 fprintf(stderr, "parse error for machine %s: %s\n",
2945 machine->name, machine->default_machine_opts);
2946 exit(1);
2947 }
2948 }
2949 }
2950
2951 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2952 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2953
2954 if (machine->no_serial) {
2955 default_serial = 0;
2956 }
2957 if (machine->no_parallel) {
2958 default_parallel = 0;
2959 }
2960 if (!machine->use_virtcon) {
2961 default_virtcon = 0;
2962 }
2963 if (machine->no_vga) {
2964 default_vga = 0;
2965 }
2966 if (machine->no_floppy) {
2967 default_floppy = 0;
2968 }
2969 if (machine->no_cdrom) {
2970 default_cdrom = 0;
2971 }
2972 if (machine->no_sdcard) {
2973 default_sdcard = 0;
2974 }
2975
2976 if (display_type == DT_NOGRAPHIC) {
2977 if (default_parallel)
2978 add_device_config(DEV_PARALLEL, "null");
2979 if (default_serial && default_monitor) {
2980 add_device_config(DEV_SERIAL, "mon:stdio");
2981 } else if (default_virtcon && default_monitor) {
2982 add_device_config(DEV_VIRTCON, "mon:stdio");
2983 } else {
2984 if (default_serial)
2985 add_device_config(DEV_SERIAL, "stdio");
2986 if (default_virtcon)
2987 add_device_config(DEV_VIRTCON, "stdio");
2988 if (default_monitor)
2989 monitor_parse("stdio", "readline");
2990 }
2991 } else {
2992 if (default_serial)
2993 add_device_config(DEV_SERIAL, "vc:80Cx24C");
2994 if (default_parallel)
2995 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2996 if (default_monitor)
2997 monitor_parse("vc:80Cx24C", "readline");
2998 if (default_virtcon)
2999 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3000 }
3001 if (default_vga)
3002 vga_interface_type = VGA_CIRRUS;
3003
3004 socket_init();
3005
3006 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3007 exit(1);
3008 #ifdef CONFIG_VIRTFS
3009 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3010 exit(1);
3011 }
3012 #endif
3013
3014 os_daemonize();
3015
3016 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3017 os_pidfile_error();
3018 exit(1);
3019 }
3020
3021 configure_accelerator();
3022
3023 if (qemu_init_main_loop()) {
3024 fprintf(stderr, "qemu_init_main_loop failed\n");
3025 exit(1);
3026 }
3027 linux_boot = (kernel_filename != NULL);
3028
3029 if (!linux_boot && *kernel_cmdline != '\0') {
3030 fprintf(stderr, "-append only allowed with -kernel option\n");
3031 exit(1);
3032 }
3033
3034 if (!linux_boot && initrd_filename != NULL) {
3035 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3036 exit(1);
3037 }
3038
3039 os_set_line_buffering();
3040
3041 if (init_timer_alarm() < 0) {
3042 fprintf(stderr, "could not initialize alarm timer\n");
3043 exit(1);
3044 }
3045 configure_icount(icount_option);
3046
3047 if (net_init_clients() < 0) {
3048 exit(1);
3049 }
3050
3051 /* init the bluetooth world */
3052 if (foreach_device_config(DEV_BT, bt_parse))
3053 exit(1);
3054
3055 /* init the memory */
3056 if (ram_size == 0)
3057 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3058
3059 /* init the dynamic translator */
3060 cpu_exec_init_all(tb_size * 1024 * 1024);
3061
3062 bdrv_init_with_whitelist();
3063
3064 blk_mig_init();
3065
3066 /* open the virtual block devices */
3067 if (snapshot)
3068 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3069 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3070 exit(1);
3071
3072 default_drive(default_cdrom, snapshot, machine->use_scsi,
3073 IF_DEFAULT, 2, CDROM_OPTS);
3074 default_drive(default_floppy, snapshot, machine->use_scsi,
3075 IF_FLOPPY, 0, FD_OPTS);
3076 default_drive(default_sdcard, snapshot, machine->use_scsi,
3077 IF_SD, 0, SD_OPTS);
3078
3079 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3080 ram_load, NULL);
3081
3082 if (nb_numa_nodes > 0) {
3083 int i;
3084
3085 if (nb_numa_nodes > smp_cpus) {
3086 nb_numa_nodes = smp_cpus;
3087 }
3088
3089 /* If no memory size if given for any node, assume the default case
3090 * and distribute the available memory equally across all nodes
3091 */
3092 for (i = 0; i < nb_numa_nodes; i++) {
3093 if (node_mem[i] != 0)
3094 break;
3095 }
3096 if (i == nb_numa_nodes) {
3097 uint64_t usedmem = 0;
3098
3099 /* On Linux, the each node's border has to be 8MB aligned,
3100 * the final node gets the rest.
3101 */
3102 for (i = 0; i < nb_numa_nodes - 1; i++) {
3103 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3104 usedmem += node_mem[i];
3105 }
3106 node_mem[i] = ram_size - usedmem;
3107 }
3108
3109 for (i = 0; i < nb_numa_nodes; i++) {
3110 if (node_cpumask[i] != 0)
3111 break;
3112 }
3113 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3114 * must cope with this anyway, because there are BIOSes out there in
3115 * real machines which also use this scheme.
3116 */
3117 if (i == nb_numa_nodes) {
3118 for (i = 0; i < smp_cpus; i++) {
3119 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3120 }
3121 }
3122 }
3123
3124 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3125 exit(1);
3126 }
3127
3128 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3129 exit(1);
3130 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3131 exit(1);
3132 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3133 exit(1);
3134 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3135 exit(1);
3136
3137 module_call_init(MODULE_INIT_DEVICE);
3138
3139 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3140 exit(0);
3141
3142 if (watchdog) {
3143 i = select_watchdog(watchdog);
3144 if (i > 0)
3145 exit (i == 1 ? 1 : 0);
3146 }
3147
3148 if (machine->compat_props) {
3149 qdev_prop_register_global_list(machine->compat_props);
3150 }
3151 qemu_add_globals();
3152
3153 machine->init(ram_size, boot_devices,
3154 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3155
3156 cpu_synchronize_all_post_init();
3157
3158 set_numa_modes();
3159
3160 current_machine = machine;
3161
3162 /* init USB devices */
3163 if (usb_enabled) {
3164 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3165 exit(1);
3166 }
3167
3168 /* init generic devices */
3169 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3170 exit(1);
3171
3172 net_check_clients();
3173
3174 /* just use the first displaystate for the moment */
3175 ds = get_displaystate();
3176
3177 if (using_spice)
3178 display_remote++;
3179 if (display_type == DT_DEFAULT && !display_remote) {
3180 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3181 display_type = DT_SDL;
3182 #elif defined(CONFIG_VNC)
3183 vnc_display = "localhost:0,to=99";
3184 show_vnc_port = 1;
3185 #else
3186 display_type = DT_NONE;
3187 #endif
3188 }
3189
3190
3191 /* init local displays */
3192 switch (display_type) {
3193 case DT_NOGRAPHIC:
3194 break;
3195 #if defined(CONFIG_CURSES)
3196 case DT_CURSES:
3197 curses_display_init(ds, full_screen);
3198 break;
3199 #endif
3200 #if defined(CONFIG_SDL)
3201 case DT_SDL:
3202 sdl_display_init(ds, full_screen, no_frame);
3203 break;
3204 #elif defined(CONFIG_COCOA)
3205 case DT_SDL:
3206 cocoa_display_init(ds, full_screen);
3207 break;
3208 #endif
3209 default:
3210 break;
3211 }
3212
3213 /* must be after terminal init, SDL library changes signal handlers */
3214 os_setup_signal_handling();
3215
3216 #ifdef CONFIG_VNC
3217 /* init remote displays */
3218 if (vnc_display) {
3219 vnc_display_init(ds);
3220 if (vnc_display_open(ds, vnc_display) < 0)
3221 exit(1);
3222
3223 if (show_vnc_port) {
3224 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3225 }
3226 }
3227 #endif
3228 #ifdef CONFIG_SPICE
3229 if (using_spice && !qxl_enabled) {
3230 qemu_spice_display_init(ds);
3231 }
3232 #endif
3233
3234 /* display setup */
3235 dpy_resize(ds);
3236 dcl = ds->listeners;
3237 while (dcl != NULL) {
3238 if (dcl->dpy_refresh != NULL) {
3239 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3240 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3241 break;
3242 }
3243 dcl = dcl->next;
3244 }
3245 if (ds->gui_timer == NULL) {
3246 nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
3247 qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
3248 }
3249 text_consoles_set_display(ds);
3250
3251 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3252 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3253 gdbstub_dev);
3254 exit(1);
3255 }
3256
3257 qdev_machine_creation_done();
3258
3259 if (rom_load_all() != 0) {
3260 fprintf(stderr, "rom loading failed\n");
3261 exit(1);
3262 }
3263
3264 /* TODO: once all bus devices are qdevified, this should be done
3265 * when bus is created by qdev.c */
3266 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3267 qemu_run_machine_init_done_notifiers();
3268
3269 qemu_system_reset();
3270 if (loadvm) {
3271 if (load_vmstate(loadvm) < 0) {
3272 autostart = 0;
3273 }
3274 }
3275
3276 if (incoming) {
3277 int ret = qemu_start_incoming_migration(incoming);
3278 if (ret < 0) {
3279 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3280 incoming, ret);
3281 exit(ret);
3282 }
3283 } else if (autostart) {
3284 vm_start();
3285 }
3286
3287 os_setup_post();
3288
3289 main_loop();
3290 quit_timers();
3291 net_cleanup();
3292
3293 return 0;
3294 }
QEmu