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Set up signalfd under !CONFIG_IOTHREAD
[qemu.git] / vl.c
blobc9fa2661572c555cd93432d2d67a4c6a93393305
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
34
35 #ifndef _WIN32
36 #include <libgen.h>
37 #include <sys/times.h>
38 #include <sys/wait.h>
39 #include <termios.h>
40 #include <sys/mman.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
45 #include <net/if.h>
46 #include <arpa/inet.h>
47 #include <dirent.h>
48 #include <netdb.h>
49 #include <sys/select.h>
50 #ifdef CONFIG_SIMPLE_TRACE
51 #include "trace.h"
52 #endif
53
54 #ifdef CONFIG_BSD
55 #include <sys/stat.h>
56 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
57 #include <libutil.h>
58 #include <sys/sysctl.h>
59 #else
60 #include <util.h>
61 #endif
62 #else
63 #ifdef __linux__
64 #include <pty.h>
65 #include <malloc.h>
66
67 #include <linux/ppdev.h>
68 #include <linux/parport.h>
69 #endif
70 #ifdef __sun__
71 #include <sys/stat.h>
72 #include <sys/ethernet.h>
73 #include <sys/sockio.h>
74 #include <netinet/arp.h>
75 #include <netinet/in_systm.h>
76 #include <netinet/ip.h>
77 #include <netinet/ip_icmp.h> // must come after ip.h
78 #include <netinet/udp.h>
79 #include <netinet/tcp.h>
80 #include <net/if.h>
81 #include <syslog.h>
82 #include <stropts.h>
83 #endif
84 #endif
85 #endif
86
87 #if defined(__OpenBSD__)
88 #include <util.h>
89 #endif
90
91 #if defined(CONFIG_VDE)
92 #include <libvdeplug.h>
93 #endif
94
95 #ifdef _WIN32
96 #include <windows.h>
97 #endif
98
99 #ifdef CONFIG_SDL
100 #if defined(__APPLE__) || defined(main)
101 #include <SDL.h>
102 int qemu_main(int argc, char **argv, char **envp);
103 int main(int argc, char **argv)
104 {
105 return qemu_main(argc, argv, NULL);
106 }
107 #undef main
108 #define main qemu_main
109 #endif
110 #endif /* CONFIG_SDL */
111
112 #ifdef CONFIG_COCOA
113 #undef main
114 #define main qemu_main
115 #endif /* CONFIG_COCOA */
116
117 #include "hw/hw.h"
118 #include "hw/boards.h"
119 #include "hw/usb.h"
120 #include "hw/pcmcia.h"
121 #include "hw/pc.h"
122 #include "hw/isa.h"
123 #include "hw/baum.h"
124 #include "hw/bt.h"
125 #include "hw/watchdog.h"
126 #include "hw/smbios.h"
127 #include "hw/xen.h"
128 #include "hw/qdev.h"
129 #include "hw/loader.h"
130 #include "bt-host.h"
131 #include "net.h"
132 #include "net/slirp.h"
133 #include "monitor.h"
134 #include "console.h"
135 #include "sysemu.h"
136 #include "gdbstub.h"
137 #include "qemu-timer.h"
138 #include "qemu-char.h"
139 #include "cache-utils.h"
140 #include "block.h"
141 #include "blockdev.h"
142 #include "block-migration.h"
143 #include "dma.h"
144 #include "audio/audio.h"
145 #include "migration.h"
146 #include "kvm.h"
147 #include "qemu-option.h"
148 #include "qemu-config.h"
149 #include "qemu-objects.h"
150 #include "qemu-options.h"
151 #ifdef CONFIG_VIRTFS
152 #include "fsdev/qemu-fsdev.h"
153 #endif
154
155 #include "disas.h"
156
157 #include "qemu_socket.h"
158
159 #include "slirp/libslirp.h"
160
161 #include "trace.h"
162 #include "qemu-queue.h"
163 #include "cpus.h"
164 #include "arch_init.h"
165
166 #include "ui/qemu-spice.h"
167
168 //#define DEBUG_NET
169 //#define DEBUG_SLIRP
170
171 #define DEFAULT_RAM_SIZE 128
172
173 #define MAX_VIRTIO_CONSOLES 1
174
175 static const char *data_dir;
176 const char *bios_name = NULL;
177 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
178 DisplayType display_type = DT_DEFAULT;
179 int display_remote = 0;
180 const char* keyboard_layout = NULL;
181 ram_addr_t ram_size;
182 const char *mem_path = NULL;
183 #ifdef MAP_POPULATE
184 int mem_prealloc = 0; /* force preallocation of physical target memory */
185 #endif
186 int nb_nics;
187 NICInfo nd_table[MAX_NICS];
188 int vm_running;
189 int autostart;
190 int incoming_expected; /* Started with -incoming and waiting for incoming */
191 static int rtc_utc = 1;
192 static int rtc_date_offset = -1; /* -1 means no change */
193 QEMUClock *rtc_clock;
194 int vga_interface_type = VGA_NONE;
195 static int full_screen = 0;
196 #ifdef CONFIG_SDL
197 static int no_frame = 0;
198 #endif
199 int no_quit = 0;
200 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
201 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
202 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
203 int win2k_install_hack = 0;
204 int rtc_td_hack = 0;
205 int usb_enabled = 0;
206 int singlestep = 0;
207 int smp_cpus = 1;
208 int max_cpus = 0;
209 int smp_cores = 1;
210 int smp_threads = 1;
211 const char *vnc_display;
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 /* I/O handling */
1027
1028 typedef struct IOHandlerRecord {
1029 int fd;
1030 IOCanReadHandler *fd_read_poll;
1031 IOHandler *fd_read;
1032 IOHandler *fd_write;
1033 int deleted;
1034 void *opaque;
1035 /* temporary data */
1036 struct pollfd *ufd;
1037 QLIST_ENTRY(IOHandlerRecord) next;
1038 } IOHandlerRecord;
1039
1040 static QLIST_HEAD(, IOHandlerRecord) io_handlers =
1041 QLIST_HEAD_INITIALIZER(io_handlers);
1042
1043
1044 /* XXX: fd_read_poll should be suppressed, but an API change is
1045 necessary in the character devices to suppress fd_can_read(). */
1046 int qemu_set_fd_handler2(int fd,
1047 IOCanReadHandler *fd_read_poll,
1048 IOHandler *fd_read,
1049 IOHandler *fd_write,
1050 void *opaque)
1051 {
1052 IOHandlerRecord *ioh;
1053
1054 if (!fd_read && !fd_write) {
1055 QLIST_FOREACH(ioh, &io_handlers, next) {
1056 if (ioh->fd == fd) {
1057 ioh->deleted = 1;
1058 break;
1059 }
1060 }
1061 } else {
1062 QLIST_FOREACH(ioh, &io_handlers, next) {
1063 if (ioh->fd == fd)
1064 goto found;
1065 }
1066 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1067 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
1068 found:
1069 ioh->fd = fd;
1070 ioh->fd_read_poll = fd_read_poll;
1071 ioh->fd_read = fd_read;
1072 ioh->fd_write = fd_write;
1073 ioh->opaque = opaque;
1074 ioh->deleted = 0;
1075 }
1076 return 0;
1077 }
1078
1079 int qemu_set_fd_handler(int fd,
1080 IOHandler *fd_read,
1081 IOHandler *fd_write,
1082 void *opaque)
1083 {
1084 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
1085 }
1086
1087 /***********************************************************/
1088 /* machine registration */
1089
1090 static QEMUMachine *first_machine = NULL;
1091 QEMUMachine *current_machine = NULL;
1092
1093 int qemu_register_machine(QEMUMachine *m)
1094 {
1095 QEMUMachine **pm;
1096 pm = &first_machine;
1097 while (*pm != NULL)
1098 pm = &(*pm)->next;
1099 m->next = NULL;
1100 *pm = m;
1101 return 0;
1102 }
1103
1104 static QEMUMachine *find_machine(const char *name)
1105 {
1106 QEMUMachine *m;
1107
1108 for(m = first_machine; m != NULL; m = m->next) {
1109 if (!strcmp(m->name, name))
1110 return m;
1111 if (m->alias && !strcmp(m->alias, name))
1112 return m;
1113 }
1114 return NULL;
1115 }
1116
1117 static QEMUMachine *find_default_machine(void)
1118 {
1119 QEMUMachine *m;
1120
1121 for(m = first_machine; m != NULL; m = m->next) {
1122 if (m->is_default) {
1123 return m;
1124 }
1125 }
1126 return NULL;
1127 }
1128
1129 /***********************************************************/
1130 /* main execution loop */
1131
1132 static void gui_update(void *opaque)
1133 {
1134 uint64_t interval = GUI_REFRESH_INTERVAL;
1135 DisplayState *ds = opaque;
1136 DisplayChangeListener *dcl = ds->listeners;
1137
1138 qemu_flush_coalesced_mmio_buffer();
1139 dpy_refresh(ds);
1140
1141 while (dcl != NULL) {
1142 if (dcl->gui_timer_interval &&
1143 dcl->gui_timer_interval < interval)
1144 interval = dcl->gui_timer_interval;
1145 dcl = dcl->next;
1146 }
1147 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1148 }
1149
1150 static void nographic_update(void *opaque)
1151 {
1152 uint64_t interval = GUI_REFRESH_INTERVAL;
1153
1154 qemu_flush_coalesced_mmio_buffer();
1155 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1156 }
1157
1158 struct vm_change_state_entry {
1159 VMChangeStateHandler *cb;
1160 void *opaque;
1161 QLIST_ENTRY (vm_change_state_entry) entries;
1162 };
1163
1164 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1165
1166 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1167 void *opaque)
1168 {
1169 VMChangeStateEntry *e;
1170
1171 e = qemu_mallocz(sizeof (*e));
1172
1173 e->cb = cb;
1174 e->opaque = opaque;
1175 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1176 return e;
1177 }
1178
1179 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1180 {
1181 QLIST_REMOVE (e, entries);
1182 qemu_free (e);
1183 }
1184
1185 void vm_state_notify(int running, int reason)
1186 {
1187 VMChangeStateEntry *e;
1188
1189 trace_vm_state_notify(running, reason);
1190
1191 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1192 e->cb(e->opaque, running, reason);
1193 }
1194 }
1195
1196 void vm_start(void)
1197 {
1198 if (!vm_running) {
1199 cpu_enable_ticks();
1200 vm_running = 1;
1201 vm_state_notify(1, 0);
1202 resume_all_vcpus();
1203 monitor_protocol_event(QEVENT_RESUME, NULL);
1204 }
1205 }
1206
1207 /* reset/shutdown handler */
1208
1209 typedef struct QEMUResetEntry {
1210 QTAILQ_ENTRY(QEMUResetEntry) entry;
1211 QEMUResetHandler *func;
1212 void *opaque;
1213 } QEMUResetEntry;
1214
1215 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1216 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1217 static int reset_requested;
1218 static int shutdown_requested;
1219 static int powerdown_requested;
1220 int debug_requested;
1221 int vmstop_requested;
1222
1223 int qemu_shutdown_requested(void)
1224 {
1225 int r = shutdown_requested;
1226 shutdown_requested = 0;
1227 return r;
1228 }
1229
1230 int qemu_reset_requested(void)
1231 {
1232 int r = reset_requested;
1233 reset_requested = 0;
1234 return r;
1235 }
1236
1237 int qemu_powerdown_requested(void)
1238 {
1239 int r = powerdown_requested;
1240 powerdown_requested = 0;
1241 return r;
1242 }
1243
1244 static int qemu_debug_requested(void)
1245 {
1246 int r = debug_requested;
1247 debug_requested = 0;
1248 return r;
1249 }
1250
1251 static int qemu_vmstop_requested(void)
1252 {
1253 int r = vmstop_requested;
1254 vmstop_requested = 0;
1255 return r;
1256 }
1257
1258 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1259 {
1260 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1261
1262 re->func = func;
1263 re->opaque = opaque;
1264 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1265 }
1266
1267 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1268 {
1269 QEMUResetEntry *re;
1270
1271 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1272 if (re->func == func && re->opaque == opaque) {
1273 QTAILQ_REMOVE(&reset_handlers, re, entry);
1274 qemu_free(re);
1275 return;
1276 }
1277 }
1278 }
1279
1280 void qemu_system_reset(void)
1281 {
1282 QEMUResetEntry *re, *nre;
1283
1284 /* reset all devices */
1285 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1286 re->func(re->opaque);
1287 }
1288 monitor_protocol_event(QEVENT_RESET, NULL);
1289 cpu_synchronize_all_post_reset();
1290 }
1291
1292 void qemu_system_reset_request(void)
1293 {
1294 if (no_reboot) {
1295 shutdown_requested = 1;
1296 } else {
1297 reset_requested = 1;
1298 }
1299 cpu_stop_current();
1300 qemu_notify_event();
1301 }
1302
1303 void qemu_system_shutdown_request(void)
1304 {
1305 shutdown_requested = 1;
1306 qemu_notify_event();
1307 }
1308
1309 void qemu_system_powerdown_request(void)
1310 {
1311 powerdown_requested = 1;
1312 qemu_notify_event();
1313 }
1314
1315 void main_loop_wait(int nonblocking)
1316 {
1317 IOHandlerRecord *ioh;
1318 fd_set rfds, wfds, xfds;
1319 int ret, nfds;
1320 struct timeval tv;
1321 int timeout;
1322
1323 if (nonblocking)
1324 timeout = 0;
1325 else {
1326 timeout = qemu_calculate_timeout();
1327 qemu_bh_update_timeout(&timeout);
1328 }
1329
1330 os_host_main_loop_wait(&timeout);
1331
1332 /* poll any events */
1333 /* XXX: separate device handlers from system ones */
1334 nfds = -1;
1335 FD_ZERO(&rfds);
1336 FD_ZERO(&wfds);
1337 FD_ZERO(&xfds);
1338 QLIST_FOREACH(ioh, &io_handlers, next) {
1339 if (ioh->deleted)
1340 continue;
1341 if (ioh->fd_read &&
1342 (!ioh->fd_read_poll ||
1343 ioh->fd_read_poll(ioh->opaque) != 0)) {
1344 FD_SET(ioh->fd, &rfds);
1345 if (ioh->fd > nfds)
1346 nfds = ioh->fd;
1347 }
1348 if (ioh->fd_write) {
1349 FD_SET(ioh->fd, &wfds);
1350 if (ioh->fd > nfds)
1351 nfds = ioh->fd;
1352 }
1353 }
1354
1355 tv.tv_sec = timeout / 1000;
1356 tv.tv_usec = (timeout % 1000) * 1000;
1357
1358 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1359
1360 qemu_mutex_unlock_iothread();
1361 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1362 qemu_mutex_lock_iothread();
1363 if (ret > 0) {
1364 IOHandlerRecord *pioh;
1365
1366 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1367 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1368 ioh->fd_read(ioh->opaque);
1369 }
1370 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1371 ioh->fd_write(ioh->opaque);
1372 }
1373
1374 /* Do this last in case read/write handlers marked it for deletion */
1375 if (ioh->deleted) {
1376 QLIST_REMOVE(ioh, next);
1377 qemu_free(ioh);
1378 }
1379 }
1380 }
1381
1382 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1383
1384 qemu_run_all_timers();
1385
1386 /* Check bottom-halves last in case any of the earlier events triggered
1387 them. */
1388 qemu_bh_poll();
1389
1390 }
1391
1392 #ifndef CONFIG_IOTHREAD
1393 static int vm_request_pending(void)
1394 {
1395 return powerdown_requested ||
1396 reset_requested ||
1397 shutdown_requested ||
1398 debug_requested ||
1399 vmstop_requested;
1400 }
1401 #endif
1402
1403 qemu_irq qemu_system_powerdown;
1404
1405 static void main_loop(void)
1406 {
1407 bool nonblocking = false;
1408 #ifdef CONFIG_PROFILER
1409 int64_t ti;
1410 #endif
1411 int r;
1412
1413 qemu_main_loop_start();
1414
1415 for (;;) {
1416 #ifndef CONFIG_IOTHREAD
1417 nonblocking = cpu_exec_all();
1418 if (vm_request_pending()) {
1419 nonblocking = true;
1420 }
1421 #endif
1422 #ifdef CONFIG_PROFILER
1423 ti = profile_getclock();
1424 #endif
1425 main_loop_wait(nonblocking);
1426 #ifdef CONFIG_PROFILER
1427 dev_time += profile_getclock() - ti;
1428 #endif
1429
1430 if ((r = qemu_debug_requested())) {
1431 vm_stop(r);
1432 }
1433 if (qemu_shutdown_requested()) {
1434 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1435 if (no_shutdown) {
1436 vm_stop(0);
1437 no_shutdown = 0;
1438 } else
1439 break;
1440 }
1441 if (qemu_reset_requested()) {
1442 pause_all_vcpus();
1443 qemu_system_reset();
1444 resume_all_vcpus();
1445 }
1446 if (qemu_powerdown_requested()) {
1447 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1448 qemu_irq_raise(qemu_system_powerdown);
1449 }
1450 if ((r = qemu_vmstop_requested())) {
1451 vm_stop(r);
1452 }
1453 }
1454 bdrv_close_all();
1455 pause_all_vcpus();
1456 }
1457
1458 static void version(void)
1459 {
1460 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1461 }
1462
1463 static void help(int exitcode)
1464 {
1465 const char *options_help =
1466 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1467 opt_help
1468 #define DEFHEADING(text) stringify(text) "\n"
1469 #include "qemu-options.def"
1470 #undef DEF
1471 #undef DEFHEADING
1472 #undef GEN_DOCS
1473 ;
1474 version();
1475 printf("usage: %s [options] [disk_image]\n"
1476 "\n"
1477 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1478 "\n"
1479 "%s\n"
1480 "During emulation, the following keys are useful:\n"
1481 "ctrl-alt-f toggle full screen\n"
1482 "ctrl-alt-n switch to virtual console 'n'\n"
1483 "ctrl-alt toggle mouse and keyboard grab\n"
1484 "\n"
1485 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1486 "qemu",
1487 options_help);
1488 exit(exitcode);
1489 }
1490
1491 #define HAS_ARG 0x0001
1492
1493 typedef struct QEMUOption {
1494 const char *name;
1495 int flags;
1496 int index;
1497 uint32_t arch_mask;
1498 } QEMUOption;
1499
1500 static const QEMUOption qemu_options[] = {
1501 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1502 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1503 { option, opt_arg, opt_enum, arch_mask },
1504 #define DEFHEADING(text)
1505 #include "qemu-options.def"
1506 #undef DEF
1507 #undef DEFHEADING
1508 #undef GEN_DOCS
1509 { NULL },
1510 };
1511 static void select_vgahw (const char *p)
1512 {
1513 const char *opts;
1514
1515 default_vga = 0;
1516 vga_interface_type = VGA_NONE;
1517 if (strstart(p, "std", &opts)) {
1518 vga_interface_type = VGA_STD;
1519 } else if (strstart(p, "cirrus", &opts)) {
1520 vga_interface_type = VGA_CIRRUS;
1521 } else if (strstart(p, "vmware", &opts)) {
1522 vga_interface_type = VGA_VMWARE;
1523 } else if (strstart(p, "xenfb", &opts)) {
1524 vga_interface_type = VGA_XENFB;
1525 } else if (strstart(p, "qxl", &opts)) {
1526 vga_interface_type = VGA_QXL;
1527 } else if (!strstart(p, "none", &opts)) {
1528 invalid_vga:
1529 fprintf(stderr, "Unknown vga type: %s\n", p);
1530 exit(1);
1531 }
1532 while (*opts) {
1533 const char *nextopt;
1534
1535 if (strstart(opts, ",retrace=", &nextopt)) {
1536 opts = nextopt;
1537 if (strstart(opts, "dumb", &nextopt))
1538 vga_retrace_method = VGA_RETRACE_DUMB;
1539 else if (strstart(opts, "precise", &nextopt))
1540 vga_retrace_method = VGA_RETRACE_PRECISE;
1541 else goto invalid_vga;
1542 } else goto invalid_vga;
1543 opts = nextopt;
1544 }
1545 }
1546
1547 static int balloon_parse(const char *arg)
1548 {
1549 QemuOpts *opts;
1550
1551 if (strcmp(arg, "none") == 0) {
1552 return 0;
1553 }
1554
1555 if (!strncmp(arg, "virtio", 6)) {
1556 if (arg[6] == ',') {
1557 /* have params -> parse them */
1558 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1559 if (!opts)
1560 return -1;
1561 } else {
1562 /* create empty opts */
1563 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1564 }
1565 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1566 return 0;
1567 }
1568
1569 return -1;
1570 }
1571
1572 char *qemu_find_file(int type, const char *name)
1573 {
1574 int len;
1575 const char *subdir;
1576 char *buf;
1577
1578 /* If name contains path separators then try it as a straight path. */
1579 if ((strchr(name, '/') || strchr(name, '\\'))
1580 && access(name, R_OK) == 0) {
1581 return qemu_strdup(name);
1582 }
1583 switch (type) {
1584 case QEMU_FILE_TYPE_BIOS:
1585 subdir = "";
1586 break;
1587 case QEMU_FILE_TYPE_KEYMAP:
1588 subdir = "keymaps/";
1589 break;
1590 default:
1591 abort();
1592 }
1593 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1594 buf = qemu_mallocz(len);
1595 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1596 if (access(buf, R_OK)) {
1597 qemu_free(buf);
1598 return NULL;
1599 }
1600 return buf;
1601 }
1602
1603 static int device_help_func(QemuOpts *opts, void *opaque)
1604 {
1605 return qdev_device_help(opts);
1606 }
1607
1608 static int device_init_func(QemuOpts *opts, void *opaque)
1609 {
1610 DeviceState *dev;
1611
1612 dev = qdev_device_add(opts);
1613 if (!dev)
1614 return -1;
1615 return 0;
1616 }
1617
1618 static int chardev_init_func(QemuOpts *opts, void *opaque)
1619 {
1620 CharDriverState *chr;
1621
1622 chr = qemu_chr_open_opts(opts, NULL);
1623 if (!chr)
1624 return -1;
1625 return 0;
1626 }
1627
1628 #ifdef CONFIG_VIRTFS
1629 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1630 {
1631 int ret;
1632 ret = qemu_fsdev_add(opts);
1633
1634 return ret;
1635 }
1636 #endif
1637
1638 static int mon_init_func(QemuOpts *opts, void *opaque)
1639 {
1640 CharDriverState *chr;
1641 const char *chardev;
1642 const char *mode;
1643 int flags;
1644
1645 mode = qemu_opt_get(opts, "mode");
1646 if (mode == NULL) {
1647 mode = "readline";
1648 }
1649 if (strcmp(mode, "readline") == 0) {
1650 flags = MONITOR_USE_READLINE;
1651 } else if (strcmp(mode, "control") == 0) {
1652 flags = MONITOR_USE_CONTROL;
1653 } else {
1654 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1655 exit(1);
1656 }
1657
1658 if (qemu_opt_get_bool(opts, "pretty", 0))
1659 flags |= MONITOR_USE_PRETTY;
1660
1661 if (qemu_opt_get_bool(opts, "default", 0))
1662 flags |= MONITOR_IS_DEFAULT;
1663
1664 chardev = qemu_opt_get(opts, "chardev");
1665 chr = qemu_chr_find(chardev);
1666 if (chr == NULL) {
1667 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1668 exit(1);
1669 }
1670
1671 monitor_init(chr, flags);
1672 return 0;
1673 }
1674
1675 static void monitor_parse(const char *optarg, const char *mode)
1676 {
1677 static int monitor_device_index = 0;
1678 QemuOpts *opts;
1679 const char *p;
1680 char label[32];
1681 int def = 0;
1682
1683 if (strstart(optarg, "chardev:", &p)) {
1684 snprintf(label, sizeof(label), "%s", p);
1685 } else {
1686 snprintf(label, sizeof(label), "compat_monitor%d",
1687 monitor_device_index);
1688 if (monitor_device_index == 0) {
1689 def = 1;
1690 }
1691 opts = qemu_chr_parse_compat(label, optarg);
1692 if (!opts) {
1693 fprintf(stderr, "parse error: %s\n", optarg);
1694 exit(1);
1695 }
1696 }
1697
1698 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1699 if (!opts) {
1700 fprintf(stderr, "duplicate chardev: %s\n", label);
1701 exit(1);
1702 }
1703 qemu_opt_set(opts, "mode", mode);
1704 qemu_opt_set(opts, "chardev", label);
1705 if (def)
1706 qemu_opt_set(opts, "default", "on");
1707 monitor_device_index++;
1708 }
1709
1710 struct device_config {
1711 enum {
1712 DEV_USB, /* -usbdevice */
1713 DEV_BT, /* -bt */
1714 DEV_SERIAL, /* -serial */
1715 DEV_PARALLEL, /* -parallel */
1716 DEV_VIRTCON, /* -virtioconsole */
1717 DEV_DEBUGCON, /* -debugcon */
1718 } type;
1719 const char *cmdline;
1720 QTAILQ_ENTRY(device_config) next;
1721 };
1722 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1723
1724 static void add_device_config(int type, const char *cmdline)
1725 {
1726 struct device_config *conf;
1727
1728 conf = qemu_mallocz(sizeof(*conf));
1729 conf->type = type;
1730 conf->cmdline = cmdline;
1731 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1732 }
1733
1734 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1735 {
1736 struct device_config *conf;
1737 int rc;
1738
1739 QTAILQ_FOREACH(conf, &device_configs, next) {
1740 if (conf->type != type)
1741 continue;
1742 rc = func(conf->cmdline);
1743 if (0 != rc)
1744 return rc;
1745 }
1746 return 0;
1747 }
1748
1749 static int serial_parse(const char *devname)
1750 {
1751 static int index = 0;
1752 char label[32];
1753
1754 if (strcmp(devname, "none") == 0)
1755 return 0;
1756 if (index == MAX_SERIAL_PORTS) {
1757 fprintf(stderr, "qemu: too many serial ports\n");
1758 exit(1);
1759 }
1760 snprintf(label, sizeof(label), "serial%d", index);
1761 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1762 if (!serial_hds[index]) {
1763 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1764 devname, strerror(errno));
1765 return -1;
1766 }
1767 index++;
1768 return 0;
1769 }
1770
1771 static int parallel_parse(const char *devname)
1772 {
1773 static int index = 0;
1774 char label[32];
1775
1776 if (strcmp(devname, "none") == 0)
1777 return 0;
1778 if (index == MAX_PARALLEL_PORTS) {
1779 fprintf(stderr, "qemu: too many parallel ports\n");
1780 exit(1);
1781 }
1782 snprintf(label, sizeof(label), "parallel%d", index);
1783 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1784 if (!parallel_hds[index]) {
1785 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1786 devname, strerror(errno));
1787 return -1;
1788 }
1789 index++;
1790 return 0;
1791 }
1792
1793 static int virtcon_parse(const char *devname)
1794 {
1795 QemuOptsList *device = qemu_find_opts("device");
1796 static int index = 0;
1797 char label[32];
1798 QemuOpts *bus_opts, *dev_opts;
1799
1800 if (strcmp(devname, "none") == 0)
1801 return 0;
1802 if (index == MAX_VIRTIO_CONSOLES) {
1803 fprintf(stderr, "qemu: too many virtio consoles\n");
1804 exit(1);
1805 }
1806
1807 bus_opts = qemu_opts_create(device, NULL, 0);
1808 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1809
1810 dev_opts = qemu_opts_create(device, NULL, 0);
1811 qemu_opt_set(dev_opts, "driver", "virtconsole");
1812
1813 snprintf(label, sizeof(label), "virtcon%d", index);
1814 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1815 if (!virtcon_hds[index]) {
1816 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1817 devname, strerror(errno));
1818 return -1;
1819 }
1820 qemu_opt_set(dev_opts, "chardev", label);
1821
1822 index++;
1823 return 0;
1824 }
1825
1826 static int debugcon_parse(const char *devname)
1827 {
1828 QemuOpts *opts;
1829
1830 if (!qemu_chr_open("debugcon", devname, NULL)) {
1831 exit(1);
1832 }
1833 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1834 if (!opts) {
1835 fprintf(stderr, "qemu: already have a debugcon device\n");
1836 exit(1);
1837 }
1838 qemu_opt_set(opts, "driver", "isa-debugcon");
1839 qemu_opt_set(opts, "chardev", "debugcon");
1840 return 0;
1841 }
1842
1843 void qemu_add_exit_notifier(Notifier *notify)
1844 {
1845 notifier_list_add(&exit_notifiers, notify);
1846 }
1847
1848 void qemu_remove_exit_notifier(Notifier *notify)
1849 {
1850 notifier_list_remove(&exit_notifiers, notify);
1851 }
1852
1853 static void qemu_run_exit_notifiers(void)
1854 {
1855 notifier_list_notify(&exit_notifiers);
1856 }
1857
1858 void qemu_add_machine_init_done_notifier(Notifier *notify)
1859 {
1860 notifier_list_add(&machine_init_done_notifiers, notify);
1861 }
1862
1863 static void qemu_run_machine_init_done_notifiers(void)
1864 {
1865 notifier_list_notify(&machine_init_done_notifiers);
1866 }
1867
1868 static const QEMUOption *lookup_opt(int argc, char **argv,
1869 const char **poptarg, int *poptind)
1870 {
1871 const QEMUOption *popt;
1872 int optind = *poptind;
1873 char *r = argv[optind];
1874 const char *optarg;
1875
1876 loc_set_cmdline(argv, optind, 1);
1877 optind++;
1878 /* Treat --foo the same as -foo. */
1879 if (r[1] == '-')
1880 r++;
1881 popt = qemu_options;
1882 for(;;) {
1883 if (!popt->name) {
1884 error_report("invalid option");
1885 exit(1);
1886 }
1887 if (!strcmp(popt->name, r + 1))
1888 break;
1889 popt++;
1890 }
1891 if (popt->flags & HAS_ARG) {
1892 if (optind >= argc) {
1893 error_report("requires an argument");
1894 exit(1);
1895 }
1896 optarg = argv[optind++];
1897 loc_set_cmdline(argv, optind - 2, 2);
1898 } else {
1899 optarg = NULL;
1900 }
1901
1902 *poptarg = optarg;
1903 *poptind = optind;
1904
1905 return popt;
1906 }
1907
1908 int main(int argc, char **argv, char **envp)
1909 {
1910 const char *gdbstub_dev = NULL;
1911 int i;
1912 int snapshot, linux_boot;
1913 const char *icount_option = NULL;
1914 const char *initrd_filename;
1915 const char *kernel_filename, *kernel_cmdline;
1916 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1917 DisplayState *ds;
1918 DisplayChangeListener *dcl;
1919 int cyls, heads, secs, translation;
1920 QemuOpts *hda_opts = NULL, *opts;
1921 QemuOptsList *olist;
1922 int optind;
1923 const char *optarg;
1924 const char *loadvm = NULL;
1925 QEMUMachine *machine;
1926 const char *cpu_model;
1927 int tb_size;
1928 const char *pid_file = NULL;
1929 const char *incoming = NULL;
1930 int show_vnc_port = 0;
1931 int defconfig = 1;
1932
1933 #ifdef CONFIG_SIMPLE_TRACE
1934 const char *trace_file = NULL;
1935 #endif
1936 atexit(qemu_run_exit_notifiers);
1937 error_set_progname(argv[0]);
1938
1939 init_clocks();
1940
1941 qemu_cache_utils_init(envp);
1942
1943 QLIST_INIT (&vm_change_state_head);
1944 os_setup_early_signal_handling();
1945
1946 module_call_init(MODULE_INIT_MACHINE);
1947 machine = find_default_machine();
1948 cpu_model = NULL;
1949 initrd_filename = NULL;
1950 ram_size = 0;
1951 snapshot = 0;
1952 kernel_filename = NULL;
1953 kernel_cmdline = "";
1954 cyls = heads = secs = 0;
1955 translation = BIOS_ATA_TRANSLATION_AUTO;
1956
1957 for (i = 0; i < MAX_NODES; i++) {
1958 node_mem[i] = 0;
1959 node_cpumask[i] = 0;
1960 }
1961
1962 nb_numa_nodes = 0;
1963 nb_nics = 0;
1964
1965 tb_size = 0;
1966 autostart= 1;
1967
1968 /* first pass of option parsing */
1969 optind = 1;
1970 while (optind < argc) {
1971 if (argv[optind][0] != '-') {
1972 /* disk image */
1973 optind++;
1974 continue;
1975 } else {
1976 const QEMUOption *popt;
1977
1978 popt = lookup_opt(argc, argv, &optarg, &optind);
1979 switch (popt->index) {
1980 case QEMU_OPTION_nodefconfig:
1981 defconfig=0;
1982 break;
1983 }
1984 }
1985 }
1986
1987 if (defconfig) {
1988 int ret;
1989
1990 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
1991 if (ret < 0 && ret != -ENOENT) {
1992 exit(1);
1993 }
1994
1995 ret = qemu_read_config_file(arch_config_name);
1996 if (ret < 0 && ret != -ENOENT) {
1997 exit(1);
1998 }
1999 }
2000 cpudef_init();
2001
2002 /* second pass of option parsing */
2003 optind = 1;
2004 for(;;) {
2005 if (optind >= argc)
2006 break;
2007 if (argv[optind][0] != '-') {
2008 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2009 } else {
2010 const QEMUOption *popt;
2011
2012 popt = lookup_opt(argc, argv, &optarg, &optind);
2013 if (!(popt->arch_mask & arch_type)) {
2014 printf("Option %s not supported for this target\n", popt->name);
2015 exit(1);
2016 }
2017 switch(popt->index) {
2018 case QEMU_OPTION_M:
2019 machine = find_machine(optarg);
2020 if (!machine) {
2021 QEMUMachine *m;
2022 printf("Supported machines are:\n");
2023 for(m = first_machine; m != NULL; m = m->next) {
2024 if (m->alias)
2025 printf("%-10s %s (alias of %s)\n",
2026 m->alias, m->desc, m->name);
2027 printf("%-10s %s%s\n",
2028 m->name, m->desc,
2029 m->is_default ? " (default)" : "");
2030 }
2031 exit(*optarg != '?');
2032 }
2033 break;
2034 case QEMU_OPTION_cpu:
2035 /* hw initialization will check this */
2036 if (*optarg == '?') {
2037 list_cpus(stdout, &fprintf, optarg);
2038 exit(0);
2039 } else {
2040 cpu_model = optarg;
2041 }
2042 break;
2043 case QEMU_OPTION_initrd:
2044 initrd_filename = optarg;
2045 break;
2046 case QEMU_OPTION_hda:
2047 {
2048 char buf[256];
2049 if (cyls == 0)
2050 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2051 else
2052 snprintf(buf, sizeof(buf),
2053 "%s,cyls=%d,heads=%d,secs=%d%s",
2054 HD_OPTS , cyls, heads, secs,
2055 translation == BIOS_ATA_TRANSLATION_LBA ?
2056 ",trans=lba" :
2057 translation == BIOS_ATA_TRANSLATION_NONE ?
2058 ",trans=none" : "");
2059 drive_add(IF_DEFAULT, 0, optarg, buf);
2060 break;
2061 }
2062 case QEMU_OPTION_hdb:
2063 case QEMU_OPTION_hdc:
2064 case QEMU_OPTION_hdd:
2065 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2066 HD_OPTS);
2067 break;
2068 case QEMU_OPTION_drive:
2069 drive_def(optarg);
2070 break;
2071 case QEMU_OPTION_set:
2072 if (qemu_set_option(optarg) != 0)
2073 exit(1);
2074 break;
2075 case QEMU_OPTION_global:
2076 if (qemu_global_option(optarg) != 0)
2077 exit(1);
2078 break;
2079 case QEMU_OPTION_mtdblock:
2080 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2081 break;
2082 case QEMU_OPTION_sd:
2083 drive_add(IF_SD, 0, optarg, SD_OPTS);
2084 break;
2085 case QEMU_OPTION_pflash:
2086 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2087 break;
2088 case QEMU_OPTION_snapshot:
2089 snapshot = 1;
2090 break;
2091 case QEMU_OPTION_hdachs:
2092 {
2093 const char *p;
2094 p = optarg;
2095 cyls = strtol(p, (char **)&p, 0);
2096 if (cyls < 1 || cyls > 16383)
2097 goto chs_fail;
2098 if (*p != ',')
2099 goto chs_fail;
2100 p++;
2101 heads = strtol(p, (char **)&p, 0);
2102 if (heads < 1 || heads > 16)
2103 goto chs_fail;
2104 if (*p != ',')
2105 goto chs_fail;
2106 p++;
2107 secs = strtol(p, (char **)&p, 0);
2108 if (secs < 1 || secs > 63)
2109 goto chs_fail;
2110 if (*p == ',') {
2111 p++;
2112 if (!strcmp(p, "none"))
2113 translation = BIOS_ATA_TRANSLATION_NONE;
2114 else if (!strcmp(p, "lba"))
2115 translation = BIOS_ATA_TRANSLATION_LBA;
2116 else if (!strcmp(p, "auto"))
2117 translation = BIOS_ATA_TRANSLATION_AUTO;
2118 else
2119 goto chs_fail;
2120 } else if (*p != '\0') {
2121 chs_fail:
2122 fprintf(stderr, "qemu: invalid physical CHS format\n");
2123 exit(1);
2124 }
2125 if (hda_opts != NULL) {
2126 char num[16];
2127 snprintf(num, sizeof(num), "%d", cyls);
2128 qemu_opt_set(hda_opts, "cyls", num);
2129 snprintf(num, sizeof(num), "%d", heads);
2130 qemu_opt_set(hda_opts, "heads", num);
2131 snprintf(num, sizeof(num), "%d", secs);
2132 qemu_opt_set(hda_opts, "secs", num);
2133 if (translation == BIOS_ATA_TRANSLATION_LBA)
2134 qemu_opt_set(hda_opts, "trans", "lba");
2135 if (translation == BIOS_ATA_TRANSLATION_NONE)
2136 qemu_opt_set(hda_opts, "trans", "none");
2137 }
2138 }
2139 break;
2140 case QEMU_OPTION_numa:
2141 if (nb_numa_nodes >= MAX_NODES) {
2142 fprintf(stderr, "qemu: too many NUMA nodes\n");
2143 exit(1);
2144 }
2145 numa_add(optarg);
2146 break;
2147 case QEMU_OPTION_nographic:
2148 display_type = DT_NOGRAPHIC;
2149 break;
2150 #ifdef CONFIG_CURSES
2151 case QEMU_OPTION_curses:
2152 display_type = DT_CURSES;
2153 break;
2154 #endif
2155 case QEMU_OPTION_portrait:
2156 graphic_rotate = 1;
2157 break;
2158 case QEMU_OPTION_kernel:
2159 kernel_filename = optarg;
2160 break;
2161 case QEMU_OPTION_append:
2162 kernel_cmdline = optarg;
2163 break;
2164 case QEMU_OPTION_cdrom:
2165 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2166 break;
2167 case QEMU_OPTION_boot:
2168 {
2169 static const char * const params[] = {
2170 "order", "once", "menu", NULL
2171 };
2172 char buf[sizeof(boot_devices)];
2173 char *standard_boot_devices;
2174 int legacy = 0;
2175
2176 if (!strchr(optarg, '=')) {
2177 legacy = 1;
2178 pstrcpy(buf, sizeof(buf), optarg);
2179 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2180 fprintf(stderr,
2181 "qemu: unknown boot parameter '%s' in '%s'\n",
2182 buf, optarg);
2183 exit(1);
2184 }
2185
2186 if (legacy ||
2187 get_param_value(buf, sizeof(buf), "order", optarg)) {
2188 validate_bootdevices(buf);
2189 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2190 }
2191 if (!legacy) {
2192 if (get_param_value(buf, sizeof(buf),
2193 "once", optarg)) {
2194 validate_bootdevices(buf);
2195 standard_boot_devices = qemu_strdup(boot_devices);
2196 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2197 qemu_register_reset(restore_boot_devices,
2198 standard_boot_devices);
2199 }
2200 if (get_param_value(buf, sizeof(buf),
2201 "menu", optarg)) {
2202 if (!strcmp(buf, "on")) {
2203 boot_menu = 1;
2204 } else if (!strcmp(buf, "off")) {
2205 boot_menu = 0;
2206 } else {
2207 fprintf(stderr,
2208 "qemu: invalid option value '%s'\n",
2209 buf);
2210 exit(1);
2211 }
2212 }
2213 }
2214 }
2215 break;
2216 case QEMU_OPTION_fda:
2217 case QEMU_OPTION_fdb:
2218 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2219 optarg, FD_OPTS);
2220 break;
2221 case QEMU_OPTION_no_fd_bootchk:
2222 fd_bootchk = 0;
2223 break;
2224 case QEMU_OPTION_netdev:
2225 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2226 exit(1);
2227 }
2228 break;
2229 case QEMU_OPTION_net:
2230 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2231 exit(1);
2232 }
2233 break;
2234 #ifdef CONFIG_SLIRP
2235 case QEMU_OPTION_tftp:
2236 legacy_tftp_prefix = optarg;
2237 break;
2238 case QEMU_OPTION_bootp:
2239 legacy_bootp_filename = optarg;
2240 break;
2241 case QEMU_OPTION_redir:
2242 if (net_slirp_redir(optarg) < 0)
2243 exit(1);
2244 break;
2245 #endif
2246 case QEMU_OPTION_bt:
2247 add_device_config(DEV_BT, optarg);
2248 break;
2249 case QEMU_OPTION_audio_help:
2250 if (!(audio_available())) {
2251 printf("Option %s not supported for this target\n", popt->name);
2252 exit(1);
2253 }
2254 AUD_help ();
2255 exit (0);
2256 break;
2257 case QEMU_OPTION_soundhw:
2258 if (!(audio_available())) {
2259 printf("Option %s not supported for this target\n", popt->name);
2260 exit(1);
2261 }
2262 select_soundhw (optarg);
2263 break;
2264 case QEMU_OPTION_h:
2265 help(0);
2266 break;
2267 case QEMU_OPTION_version:
2268 version();
2269 exit(0);
2270 break;
2271 case QEMU_OPTION_m: {
2272 int64_t value;
2273
2274 value = strtosz(optarg, NULL);
2275 if (value < 0) {
2276 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2277 exit(1);
2278 }
2279
2280 /* On 32-bit hosts, QEMU is limited by virtual address space */
2281 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2282 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2283 exit(1);
2284 }
2285 if (value != (uint64_t)(ram_addr_t)value) {
2286 fprintf(stderr, "qemu: ram size too large\n");
2287 exit(1);
2288 }
2289 ram_size = value;
2290 break;
2291 }
2292 case QEMU_OPTION_mempath:
2293 mem_path = optarg;
2294 break;
2295 #ifdef MAP_POPULATE
2296 case QEMU_OPTION_mem_prealloc:
2297 mem_prealloc = 1;
2298 break;
2299 #endif
2300 case QEMU_OPTION_d:
2301 set_cpu_log(optarg);
2302 break;
2303 case QEMU_OPTION_s:
2304 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2305 break;
2306 case QEMU_OPTION_gdb:
2307 gdbstub_dev = optarg;
2308 break;
2309 case QEMU_OPTION_L:
2310 data_dir = optarg;
2311 break;
2312 case QEMU_OPTION_bios:
2313 bios_name = optarg;
2314 break;
2315 case QEMU_OPTION_singlestep:
2316 singlestep = 1;
2317 break;
2318 case QEMU_OPTION_S:
2319 autostart = 0;
2320 break;
2321 case QEMU_OPTION_k:
2322 keyboard_layout = optarg;
2323 break;
2324 case QEMU_OPTION_localtime:
2325 rtc_utc = 0;
2326 break;
2327 case QEMU_OPTION_vga:
2328 select_vgahw (optarg);
2329 break;
2330 case QEMU_OPTION_g:
2331 {
2332 const char *p;
2333 int w, h, depth;
2334 p = optarg;
2335 w = strtol(p, (char **)&p, 10);
2336 if (w <= 0) {
2337 graphic_error:
2338 fprintf(stderr, "qemu: invalid resolution or depth\n");
2339 exit(1);
2340 }
2341 if (*p != 'x')
2342 goto graphic_error;
2343 p++;
2344 h = strtol(p, (char **)&p, 10);
2345 if (h <= 0)
2346 goto graphic_error;
2347 if (*p == 'x') {
2348 p++;
2349 depth = strtol(p, (char **)&p, 10);
2350 if (depth != 8 && depth != 15 && depth != 16 &&
2351 depth != 24 && depth != 32)
2352 goto graphic_error;
2353 } else if (*p == '\0') {
2354 depth = graphic_depth;
2355 } else {
2356 goto graphic_error;
2357 }
2358
2359 graphic_width = w;
2360 graphic_height = h;
2361 graphic_depth = depth;
2362 }
2363 break;
2364 case QEMU_OPTION_echr:
2365 {
2366 char *r;
2367 term_escape_char = strtol(optarg, &r, 0);
2368 if (r == optarg)
2369 printf("Bad argument to echr\n");
2370 break;
2371 }
2372 case QEMU_OPTION_monitor:
2373 monitor_parse(optarg, "readline");
2374 default_monitor = 0;
2375 break;
2376 case QEMU_OPTION_qmp:
2377 monitor_parse(optarg, "control");
2378 default_monitor = 0;
2379 break;
2380 case QEMU_OPTION_mon:
2381 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2382 if (!opts) {
2383 exit(1);
2384 }
2385 default_monitor = 0;
2386 break;
2387 case QEMU_OPTION_chardev:
2388 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2389 if (!opts) {
2390 exit(1);
2391 }
2392 break;
2393 case QEMU_OPTION_fsdev:
2394 olist = qemu_find_opts("fsdev");
2395 if (!olist) {
2396 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2397 exit(1);
2398 }
2399 opts = qemu_opts_parse(olist, optarg, 1);
2400 if (!opts) {
2401 fprintf(stderr, "parse error: %s\n", optarg);
2402 exit(1);
2403 }
2404 break;
2405 case QEMU_OPTION_virtfs: {
2406 char *arg_fsdev = NULL;
2407 char *arg_9p = NULL;
2408 int len = 0;
2409
2410 olist = qemu_find_opts("virtfs");
2411 if (!olist) {
2412 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2413 exit(1);
2414 }
2415 opts = qemu_opts_parse(olist, optarg, 1);
2416 if (!opts) {
2417 fprintf(stderr, "parse error: %s\n", optarg);
2418 exit(1);
2419 }
2420
2421 if (qemu_opt_get(opts, "fstype") == NULL ||
2422 qemu_opt_get(opts, "mount_tag") == NULL ||
2423 qemu_opt_get(opts, "path") == NULL ||
2424 qemu_opt_get(opts, "security_model") == NULL) {
2425 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2426 "security_model=[mapped|passthrough|none],"
2427 "mnt_tag=tag.\n");
2428 exit(1);
2429 }
2430
2431 len = strlen(",id=,path=,security_model=");
2432 len += strlen(qemu_opt_get(opts, "fstype"));
2433 len += strlen(qemu_opt_get(opts, "mount_tag"));
2434 len += strlen(qemu_opt_get(opts, "path"));
2435 len += strlen(qemu_opt_get(opts, "security_model"));
2436 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2437
2438 snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev),
2439 "%s,id=%s,path=%s,security_model=%s",
2440 qemu_opt_get(opts, "fstype"),
2441 qemu_opt_get(opts, "mount_tag"),
2442 qemu_opt_get(opts, "path"),
2443 qemu_opt_get(opts, "security_model"));
2444
2445 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2446 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2447 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2448
2449 snprintf(arg_9p, (len + 1) * sizeof(*arg_9p),
2450 "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2451 qemu_opt_get(opts, "mount_tag"),
2452 qemu_opt_get(opts, "mount_tag"));
2453
2454 if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
2455 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2456 exit(1);
2457 }
2458
2459 if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
2460 fprintf(stderr, "parse error [device]: %s\n", optarg);
2461 exit(1);
2462 }
2463
2464 qemu_free(arg_fsdev);
2465 qemu_free(arg_9p);
2466 break;
2467 }
2468 case QEMU_OPTION_serial:
2469 add_device_config(DEV_SERIAL, optarg);
2470 default_serial = 0;
2471 if (strncmp(optarg, "mon:", 4) == 0) {
2472 default_monitor = 0;
2473 }
2474 break;
2475 case QEMU_OPTION_watchdog:
2476 if (watchdog) {
2477 fprintf(stderr,
2478 "qemu: only one watchdog option may be given\n");
2479 return 1;
2480 }
2481 watchdog = optarg;
2482 break;
2483 case QEMU_OPTION_watchdog_action:
2484 if (select_watchdog_action(optarg) == -1) {
2485 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2486 exit(1);
2487 }
2488 break;
2489 case QEMU_OPTION_virtiocon:
2490 add_device_config(DEV_VIRTCON, optarg);
2491 default_virtcon = 0;
2492 if (strncmp(optarg, "mon:", 4) == 0) {
2493 default_monitor = 0;
2494 }
2495 break;
2496 case QEMU_OPTION_parallel:
2497 add_device_config(DEV_PARALLEL, optarg);
2498 default_parallel = 0;
2499 if (strncmp(optarg, "mon:", 4) == 0) {
2500 default_monitor = 0;
2501 }
2502 break;
2503 case QEMU_OPTION_debugcon:
2504 add_device_config(DEV_DEBUGCON, optarg);
2505 break;
2506 case QEMU_OPTION_loadvm:
2507 loadvm = optarg;
2508 break;
2509 case QEMU_OPTION_full_screen:
2510 full_screen = 1;
2511 break;
2512 #ifdef CONFIG_SDL
2513 case QEMU_OPTION_no_frame:
2514 no_frame = 1;
2515 break;
2516 case QEMU_OPTION_alt_grab:
2517 alt_grab = 1;
2518 break;
2519 case QEMU_OPTION_ctrl_grab:
2520 ctrl_grab = 1;
2521 break;
2522 case QEMU_OPTION_no_quit:
2523 no_quit = 1;
2524 break;
2525 case QEMU_OPTION_sdl:
2526 display_type = DT_SDL;
2527 break;
2528 #endif
2529 case QEMU_OPTION_pidfile:
2530 pid_file = optarg;
2531 break;
2532 case QEMU_OPTION_win2k_hack:
2533 win2k_install_hack = 1;
2534 break;
2535 case QEMU_OPTION_rtc_td_hack:
2536 rtc_td_hack = 1;
2537 break;
2538 case QEMU_OPTION_acpitable:
2539 do_acpitable_option(optarg);
2540 break;
2541 case QEMU_OPTION_smbios:
2542 do_smbios_option(optarg);
2543 break;
2544 case QEMU_OPTION_enable_kvm:
2545 kvm_allowed = 1;
2546 break;
2547 case QEMU_OPTION_usb:
2548 usb_enabled = 1;
2549 break;
2550 case QEMU_OPTION_usbdevice:
2551 usb_enabled = 1;
2552 add_device_config(DEV_USB, optarg);
2553 break;
2554 case QEMU_OPTION_device:
2555 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2556 exit(1);
2557 }
2558 break;
2559 case QEMU_OPTION_smp:
2560 smp_parse(optarg);
2561 if (smp_cpus < 1) {
2562 fprintf(stderr, "Invalid number of CPUs\n");
2563 exit(1);
2564 }
2565 if (max_cpus < smp_cpus) {
2566 fprintf(stderr, "maxcpus must be equal to or greater than "
2567 "smp\n");
2568 exit(1);
2569 }
2570 if (max_cpus > 255) {
2571 fprintf(stderr, "Unsupported number of maxcpus\n");
2572 exit(1);
2573 }
2574 break;
2575 case QEMU_OPTION_vnc:
2576 display_remote++;
2577 vnc_display = optarg;
2578 break;
2579 case QEMU_OPTION_no_acpi:
2580 acpi_enabled = 0;
2581 break;
2582 case QEMU_OPTION_no_hpet:
2583 no_hpet = 1;
2584 break;
2585 case QEMU_OPTION_balloon:
2586 if (balloon_parse(optarg) < 0) {
2587 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2588 exit(1);
2589 }
2590 break;
2591 case QEMU_OPTION_no_reboot:
2592 no_reboot = 1;
2593 break;
2594 case QEMU_OPTION_no_shutdown:
2595 no_shutdown = 1;
2596 break;
2597 case QEMU_OPTION_show_cursor:
2598 cursor_hide = 0;
2599 break;
2600 case QEMU_OPTION_uuid:
2601 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2602 fprintf(stderr, "Fail to parse UUID string."
2603 " Wrong format.\n");
2604 exit(1);
2605 }
2606 break;
2607 case QEMU_OPTION_option_rom:
2608 if (nb_option_roms >= MAX_OPTION_ROMS) {
2609 fprintf(stderr, "Too many option ROMs\n");
2610 exit(1);
2611 }
2612 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2613 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2614 option_rom[nb_option_roms].bootindex =
2615 qemu_opt_get_number(opts, "bootindex", -1);
2616 if (!option_rom[nb_option_roms].name) {
2617 fprintf(stderr, "Option ROM file is not specified\n");
2618 exit(1);
2619 }
2620 nb_option_roms++;
2621 break;
2622 case QEMU_OPTION_semihosting:
2623 semihosting_enabled = 1;
2624 break;
2625 case QEMU_OPTION_name:
2626 qemu_name = qemu_strdup(optarg);
2627 {
2628 char *p = strchr(qemu_name, ',');
2629 if (p != NULL) {
2630 *p++ = 0;
2631 if (strncmp(p, "process=", 8)) {
2632 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2633 exit(1);
2634 }
2635 p += 8;
2636 os_set_proc_name(p);
2637 }
2638 }
2639 break;
2640 case QEMU_OPTION_prom_env:
2641 if (nb_prom_envs >= MAX_PROM_ENVS) {
2642 fprintf(stderr, "Too many prom variables\n");
2643 exit(1);
2644 }
2645 prom_envs[nb_prom_envs] = optarg;
2646 nb_prom_envs++;
2647 break;
2648 case QEMU_OPTION_old_param:
2649 old_param = 1;
2650 break;
2651 case QEMU_OPTION_clock:
2652 configure_alarms(optarg);
2653 break;
2654 case QEMU_OPTION_startdate:
2655 configure_rtc_date_offset(optarg, 1);
2656 break;
2657 case QEMU_OPTION_rtc:
2658 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2659 if (!opts) {
2660 exit(1);
2661 }
2662 configure_rtc(opts);
2663 break;
2664 case QEMU_OPTION_tb_size:
2665 tb_size = strtol(optarg, NULL, 0);
2666 if (tb_size < 0)
2667 tb_size = 0;
2668 break;
2669 case QEMU_OPTION_icount:
2670 icount_option = optarg;
2671 break;
2672 case QEMU_OPTION_incoming:
2673 incoming = optarg;
2674 incoming_expected = true;
2675 break;
2676 case QEMU_OPTION_nodefaults:
2677 default_serial = 0;
2678 default_parallel = 0;
2679 default_virtcon = 0;
2680 default_monitor = 0;
2681 default_vga = 0;
2682 default_net = 0;
2683 default_floppy = 0;
2684 default_cdrom = 0;
2685 default_sdcard = 0;
2686 break;
2687 case QEMU_OPTION_xen_domid:
2688 if (!(xen_available())) {
2689 printf("Option %s not supported for this target\n", popt->name);
2690 exit(1);
2691 }
2692 xen_domid = atoi(optarg);
2693 break;
2694 case QEMU_OPTION_xen_create:
2695 if (!(xen_available())) {
2696 printf("Option %s not supported for this target\n", popt->name);
2697 exit(1);
2698 }
2699 xen_mode = XEN_CREATE;
2700 break;
2701 case QEMU_OPTION_xen_attach:
2702 if (!(xen_available())) {
2703 printf("Option %s not supported for this target\n", popt->name);
2704 exit(1);
2705 }
2706 xen_mode = XEN_ATTACH;
2707 break;
2708 #ifdef CONFIG_SIMPLE_TRACE
2709 case QEMU_OPTION_trace:
2710 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2711 if (opts) {
2712 trace_file = qemu_opt_get(opts, "file");
2713 }
2714 break;
2715 #endif
2716 case QEMU_OPTION_readconfig:
2717 {
2718 int ret = qemu_read_config_file(optarg);
2719 if (ret < 0) {
2720 fprintf(stderr, "read config %s: %s\n", optarg,
2721 strerror(-ret));
2722 exit(1);
2723 }
2724 break;
2725 }
2726 case QEMU_OPTION_spice:
2727 olist = qemu_find_opts("spice");
2728 if (!olist) {
2729 fprintf(stderr, "spice is not supported by this qemu build.\n");
2730 exit(1);
2731 }
2732 opts = qemu_opts_parse(olist, optarg, 0);
2733 if (!opts) {
2734 fprintf(stderr, "parse error: %s\n", optarg);
2735 exit(1);
2736 }
2737 break;
2738 case QEMU_OPTION_writeconfig:
2739 {
2740 FILE *fp;
2741 if (strcmp(optarg, "-") == 0) {
2742 fp = stdout;
2743 } else {
2744 fp = fopen(optarg, "w");
2745 if (fp == NULL) {
2746 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2747 exit(1);
2748 }
2749 }
2750 qemu_config_write(fp);
2751 fclose(fp);
2752 break;
2753 }
2754 default:
2755 os_parse_cmd_args(popt->index, optarg);
2756 }
2757 }
2758 }
2759 loc_set_none();
2760
2761 /* If no data_dir is specified then try to find it relative to the
2762 executable path. */
2763 if (!data_dir) {
2764 data_dir = os_find_datadir(argv[0]);
2765 }
2766 /* If all else fails use the install patch specified when building. */
2767 if (!data_dir) {
2768 data_dir = CONFIG_QEMU_DATADIR;
2769 }
2770
2771 #ifdef CONFIG_SIMPLE_TRACE
2772 /*
2773 * Set the trace file name, if specified.
2774 */
2775 st_set_trace_file(trace_file);
2776 #endif
2777 /*
2778 * Default to max_cpus = smp_cpus, in case the user doesn't
2779 * specify a max_cpus value.
2780 */
2781 if (!max_cpus)
2782 max_cpus = smp_cpus;
2783
2784 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2785 if (smp_cpus > machine->max_cpus) {
2786 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2787 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2788 machine->max_cpus);
2789 exit(1);
2790 }
2791
2792 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2793 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2794
2795 if (machine->no_serial) {
2796 default_serial = 0;
2797 }
2798 if (machine->no_parallel) {
2799 default_parallel = 0;
2800 }
2801 if (!machine->use_virtcon) {
2802 default_virtcon = 0;
2803 }
2804 if (machine->no_vga) {
2805 default_vga = 0;
2806 }
2807 if (machine->no_floppy) {
2808 default_floppy = 0;
2809 }
2810 if (machine->no_cdrom) {
2811 default_cdrom = 0;
2812 }
2813 if (machine->no_sdcard) {
2814 default_sdcard = 0;
2815 }
2816
2817 if (display_type == DT_NOGRAPHIC) {
2818 if (default_parallel)
2819 add_device_config(DEV_PARALLEL, "null");
2820 if (default_serial && default_monitor) {
2821 add_device_config(DEV_SERIAL, "mon:stdio");
2822 } else if (default_virtcon && default_monitor) {
2823 add_device_config(DEV_VIRTCON, "mon:stdio");
2824 } else {
2825 if (default_serial)
2826 add_device_config(DEV_SERIAL, "stdio");
2827 if (default_virtcon)
2828 add_device_config(DEV_VIRTCON, "stdio");
2829 if (default_monitor)
2830 monitor_parse("stdio", "readline");
2831 }
2832 } else {
2833 if (default_serial)
2834 add_device_config(DEV_SERIAL, "vc:80Cx24C");
2835 if (default_parallel)
2836 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2837 if (default_monitor)
2838 monitor_parse("vc:80Cx24C", "readline");
2839 if (default_virtcon)
2840 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2841 }
2842 if (default_vga)
2843 vga_interface_type = VGA_CIRRUS;
2844
2845 socket_init();
2846
2847 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
2848 exit(1);
2849 #ifdef CONFIG_VIRTFS
2850 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
2851 exit(1);
2852 }
2853 #endif
2854
2855 os_daemonize();
2856
2857 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2858 os_pidfile_error();
2859 exit(1);
2860 }
2861
2862 if (kvm_allowed) {
2863 int ret = kvm_init();
2864 if (ret < 0) {
2865 if (!kvm_available()) {
2866 printf("KVM not supported for this target\n");
2867 } else {
2868 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2869 }
2870 exit(1);
2871 }
2872 }
2873
2874 if (qemu_init_main_loop()) {
2875 fprintf(stderr, "qemu_init_main_loop failed\n");
2876 exit(1);
2877 }
2878 linux_boot = (kernel_filename != NULL);
2879
2880 if (!linux_boot && *kernel_cmdline != '\0') {
2881 fprintf(stderr, "-append only allowed with -kernel option\n");
2882 exit(1);
2883 }
2884
2885 if (!linux_boot && initrd_filename != NULL) {
2886 fprintf(stderr, "-initrd only allowed with -kernel option\n");
2887 exit(1);
2888 }
2889
2890 os_set_line_buffering();
2891
2892 if (init_timer_alarm() < 0) {
2893 fprintf(stderr, "could not initialize alarm timer\n");
2894 exit(1);
2895 }
2896 configure_icount(icount_option);
2897
2898 if (net_init_clients() < 0) {
2899 exit(1);
2900 }
2901
2902 /* init the bluetooth world */
2903 if (foreach_device_config(DEV_BT, bt_parse))
2904 exit(1);
2905
2906 /* init the memory */
2907 if (ram_size == 0)
2908 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2909
2910 /* init the dynamic translator */
2911 cpu_exec_init_all(tb_size * 1024 * 1024);
2912
2913 bdrv_init_with_whitelist();
2914
2915 blk_mig_init();
2916
2917 /* open the virtual block devices */
2918 if (snapshot)
2919 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
2920 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
2921 exit(1);
2922
2923 default_drive(default_cdrom, snapshot, machine->use_scsi,
2924 IF_DEFAULT, 2, CDROM_OPTS);
2925 default_drive(default_floppy, snapshot, machine->use_scsi,
2926 IF_FLOPPY, 0, FD_OPTS);
2927 default_drive(default_sdcard, snapshot, machine->use_scsi,
2928 IF_SD, 0, SD_OPTS);
2929
2930 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2931 ram_load, NULL);
2932
2933 if (nb_numa_nodes > 0) {
2934 int i;
2935
2936 if (nb_numa_nodes > smp_cpus) {
2937 nb_numa_nodes = smp_cpus;
2938 }
2939
2940 /* If no memory size if given for any node, assume the default case
2941 * and distribute the available memory equally across all nodes
2942 */
2943 for (i = 0; i < nb_numa_nodes; i++) {
2944 if (node_mem[i] != 0)
2945 break;
2946 }
2947 if (i == nb_numa_nodes) {
2948 uint64_t usedmem = 0;
2949
2950 /* On Linux, the each node's border has to be 8MB aligned,
2951 * the final node gets the rest.
2952 */
2953 for (i = 0; i < nb_numa_nodes - 1; i++) {
2954 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2955 usedmem += node_mem[i];
2956 }
2957 node_mem[i] = ram_size - usedmem;
2958 }
2959
2960 for (i = 0; i < nb_numa_nodes; i++) {
2961 if (node_cpumask[i] != 0)
2962 break;
2963 }
2964 /* assigning the VCPUs round-robin is easier to implement, guest OSes
2965 * must cope with this anyway, because there are BIOSes out there in
2966 * real machines which also use this scheme.
2967 */
2968 if (i == nb_numa_nodes) {
2969 for (i = 0; i < smp_cpus; i++) {
2970 node_cpumask[i % nb_numa_nodes] |= 1 << i;
2971 }
2972 }
2973 }
2974
2975 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
2976 exit(1);
2977 }
2978
2979 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2980 exit(1);
2981 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2982 exit(1);
2983 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2984 exit(1);
2985 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2986 exit(1);
2987
2988 module_call_init(MODULE_INIT_DEVICE);
2989
2990 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
2991 exit(0);
2992
2993 if (watchdog) {
2994 i = select_watchdog(watchdog);
2995 if (i > 0)
2996 exit (i == 1 ? 1 : 0);
2997 }
2998
2999 if (machine->compat_props) {
3000 qdev_prop_register_global_list(machine->compat_props);
3001 }
3002 qemu_add_globals();
3003
3004 machine->init(ram_size, boot_devices,
3005 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3006
3007 cpu_synchronize_all_post_init();
3008
3009 /* must be after terminal init, SDL library changes signal handlers */
3010 os_setup_signal_handling();
3011
3012 set_numa_modes();
3013
3014 current_machine = machine;
3015
3016 /* init USB devices */
3017 if (usb_enabled) {
3018 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3019 exit(1);
3020 }
3021
3022 /* init generic devices */
3023 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3024 exit(1);
3025
3026 net_check_clients();
3027
3028 /* just use the first displaystate for the moment */
3029 ds = get_displaystate();
3030
3031 if (using_spice)
3032 display_remote++;
3033 if (display_type == DT_DEFAULT && !display_remote) {
3034 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3035 display_type = DT_SDL;
3036 #else
3037 vnc_display = "localhost:0,to=99";
3038 show_vnc_port = 1;
3039 #endif
3040 }
3041
3042
3043 /* init local displays */
3044 switch (display_type) {
3045 case DT_NOGRAPHIC:
3046 break;
3047 #if defined(CONFIG_CURSES)
3048 case DT_CURSES:
3049 curses_display_init(ds, full_screen);
3050 break;
3051 #endif
3052 #if defined(CONFIG_SDL)
3053 case DT_SDL:
3054 sdl_display_init(ds, full_screen, no_frame);
3055 break;
3056 #elif defined(CONFIG_COCOA)
3057 case DT_SDL:
3058 cocoa_display_init(ds, full_screen);
3059 break;
3060 #endif
3061 default:
3062 break;
3063 }
3064
3065 /* init remote displays */
3066 if (vnc_display) {
3067 vnc_display_init(ds);
3068 if (vnc_display_open(ds, vnc_display) < 0)
3069 exit(1);
3070
3071 if (show_vnc_port) {
3072 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3073 }
3074 }
3075 #ifdef CONFIG_SPICE
3076 if (using_spice && !qxl_enabled) {
3077 qemu_spice_display_init(ds);
3078 }
3079 #endif
3080
3081 /* display setup */
3082 dpy_resize(ds);
3083 dcl = ds->listeners;
3084 while (dcl != NULL) {
3085 if (dcl->dpy_refresh != NULL) {
3086 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
3087 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
3088 break;
3089 }
3090 dcl = dcl->next;
3091 }
3092 if (ds->gui_timer == NULL) {
3093 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
3094 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
3095 }
3096 text_consoles_set_display(ds);
3097
3098 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3099 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3100 gdbstub_dev);
3101 exit(1);
3102 }
3103
3104 qdev_machine_creation_done();
3105
3106 if (rom_load_all() != 0) {
3107 fprintf(stderr, "rom loading failed\n");
3108 exit(1);
3109 }
3110
3111 /* TODO: once all bus devices are qdevified, this should be done
3112 * when bus is created by qdev.c */
3113 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3114 qemu_run_machine_init_done_notifiers();
3115
3116 qemu_system_reset();
3117 if (loadvm) {
3118 if (load_vmstate(loadvm) < 0) {
3119 autostart = 0;
3120 }
3121 }
3122
3123 if (incoming) {
3124 int ret = qemu_start_incoming_migration(incoming);
3125 if (ret < 0) {
3126 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3127 incoming, ret);
3128 exit(ret);
3129 }
3130 } else if (autostart) {
3131 vm_start();
3132 }
3133
3134 os_setup_post();
3135
3136 main_loop();
3137 quit_timers();
3138 net_cleanup();
3139
3140 return 0;
3141 }
QEmu