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vl.c: Fix compilation failure if CONFIG_SDL isn't defined
[mirror_qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
34
35 #ifndef _WIN32
36 #include <libgen.h>
37 #include <sys/times.h>
38 #include <sys/wait.h>
39 #include <termios.h>
40 #include <sys/mman.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
45 #include <net/if.h>
46 #include <arpa/inet.h>
47 #include <dirent.h>
48 #include <netdb.h>
49 #include <sys/select.h>
50
51 #ifdef CONFIG_BSD
52 #include <sys/stat.h>
53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
54 #include <libutil.h>
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <pty.h>
62 #include <malloc.h>
63
64 #include <linux/ppdev.h>
65 #include <linux/parport.h>
66 #endif
67 #ifdef __sun__
68 #include <sys/stat.h>
69 #include <sys/ethernet.h>
70 #include <sys/sockio.h>
71 #include <netinet/arp.h>
72 #include <netinet/in_systm.h>
73 #include <netinet/ip.h>
74 #include <netinet/ip_icmp.h> // must come after ip.h
75 #include <netinet/udp.h>
76 #include <netinet/tcp.h>
77 #include <net/if.h>
78 #include <syslog.h>
79 #include <stropts.h>
80 #endif
81 #endif
82 #endif
83
84 #if defined(__OpenBSD__)
85 #include <util.h>
86 #endif
87
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
91
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
95
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
101 {
102 return qemu_main(argc, argv, NULL);
103 }
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
108
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
113
114 #include "hw/hw.h"
115 #include "hw/boards.h"
116 #include "hw/usb.h"
117 #include "hw/pcmcia.h"
118 #include "hw/pc.h"
119 #include "hw/isa.h"
120 #include "hw/baum.h"
121 #include "hw/bt.h"
122 #include "hw/watchdog.h"
123 #include "hw/smbios.h"
124 #include "hw/xen.h"
125 #include "hw/qdev.h"
126 #include "hw/loader.h"
127 #include "bt-host.h"
128 #include "net.h"
129 #include "net/slirp.h"
130 #include "monitor.h"
131 #include "console.h"
132 #include "sysemu.h"
133 #include "gdbstub.h"
134 #include "qemu-timer.h"
135 #include "qemu-char.h"
136 #include "cache-utils.h"
137 #include "block.h"
138 #include "blockdev.h"
139 #include "block-migration.h"
140 #include "dma.h"
141 #include "audio/audio.h"
142 #include "migration.h"
143 #include "kvm.h"
144 #include "qemu-option.h"
145 #include "qemu-config.h"
146 #include "qemu-objects.h"
147 #include "qemu-options.h"
148 #ifdef CONFIG_VIRTFS
149 #include "fsdev/qemu-fsdev.h"
150 #endif
151
152 #include "disas.h"
153
154 #include "qemu_socket.h"
155
156 #include "slirp/libslirp.h"
157
158 #include "trace.h"
159 #include "simpletrace.h"
160 #include "qemu-queue.h"
161 #include "cpus.h"
162 #include "arch_init.h"
163
164 #include "ui/qemu-spice.h"
165
166 //#define DEBUG_NET
167 //#define DEBUG_SLIRP
168
169 #define DEFAULT_RAM_SIZE 128
170
171 #define MAX_VIRTIO_CONSOLES 1
172
173 static const char *data_dir;
174 const char *bios_name = NULL;
175 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
176 DisplayType display_type = DT_DEFAULT;
177 int display_remote = 0;
178 const char* keyboard_layout = NULL;
179 ram_addr_t ram_size;
180 const char *mem_path = NULL;
181 #ifdef MAP_POPULATE
182 int mem_prealloc = 0; /* force preallocation of physical target memory */
183 #endif
184 int nb_nics;
185 NICInfo nd_table[MAX_NICS];
186 int vm_running;
187 int autostart;
188 int incoming_expected; /* Started with -incoming and waiting for incoming */
189 static int rtc_utc = 1;
190 static int rtc_date_offset = -1; /* -1 means no change */
191 QEMUClock *rtc_clock;
192 int vga_interface_type = VGA_NONE;
193 static int full_screen = 0;
194 #ifdef CONFIG_SDL
195 static int no_frame = 0;
196 #endif
197 int no_quit = 0;
198 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
199 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
200 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
201 int win2k_install_hack = 0;
202 int rtc_td_hack = 0;
203 int usb_enabled = 0;
204 int singlestep = 0;
205 int smp_cpus = 1;
206 int max_cpus = 0;
207 int smp_cores = 1;
208 int smp_threads = 1;
209 #ifdef CONFIG_VNC
210 const char *vnc_display;
211 #endif
212 int acpi_enabled = 1;
213 int no_hpet = 0;
214 int fd_bootchk = 1;
215 int no_reboot = 0;
216 int no_shutdown = 0;
217 int cursor_hide = 1;
218 int graphic_rotate = 0;
219 uint8_t irq0override = 1;
220 const char *watchdog;
221 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
222 int nb_option_roms;
223 int semihosting_enabled = 0;
224 int old_param = 0;
225 const char *qemu_name;
226 int alt_grab = 0;
227 int ctrl_grab = 0;
228 unsigned int nb_prom_envs = 0;
229 const char *prom_envs[MAX_PROM_ENVS];
230 int boot_menu;
231
232 typedef struct FWBootEntry FWBootEntry;
233
234 struct FWBootEntry {
235 QTAILQ_ENTRY(FWBootEntry) link;
236 int32_t bootindex;
237 DeviceState *dev;
238 char *suffix;
239 };
240
241 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
242
243 int nb_numa_nodes;
244 uint64_t node_mem[MAX_NODES];
245 uint64_t node_cpumask[MAX_NODES];
246
247 static QEMUTimer *nographic_timer;
248
249 uint8_t qemu_uuid[16];
250
251 static QEMUBootSetHandler *boot_set_handler;
252 static void *boot_set_opaque;
253
254 static NotifierList exit_notifiers =
255 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
256
257 static NotifierList machine_init_done_notifiers =
258 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
259
260 int kvm_allowed = 0;
261 uint32_t xen_domid;
262 enum xen_mode xen_mode = XEN_EMULATE;
263
264 static int default_serial = 1;
265 static int default_parallel = 1;
266 static int default_virtcon = 1;
267 static int default_monitor = 1;
268 static int default_vga = 1;
269 static int default_floppy = 1;
270 static int default_cdrom = 1;
271 static int default_sdcard = 1;
272
273 static struct {
274 const char *driver;
275 int *flag;
276 } default_list[] = {
277 { .driver = "isa-serial", .flag = &default_serial },
278 { .driver = "isa-parallel", .flag = &default_parallel },
279 { .driver = "isa-fdc", .flag = &default_floppy },
280 { .driver = "ide-drive", .flag = &default_cdrom },
281 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
282 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
283 { .driver = "virtio-serial", .flag = &default_virtcon },
284 { .driver = "VGA", .flag = &default_vga },
285 { .driver = "cirrus-vga", .flag = &default_vga },
286 { .driver = "vmware-svga", .flag = &default_vga },
287 };
288
289 static int default_driver_check(QemuOpts *opts, void *opaque)
290 {
291 const char *driver = qemu_opt_get(opts, "driver");
292 int i;
293
294 if (!driver)
295 return 0;
296 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
297 if (strcmp(default_list[i].driver, driver) != 0)
298 continue;
299 *(default_list[i].flag) = 0;
300 }
301 return 0;
302 }
303
304 /***********************************************************/
305 /* real time host monotonic timer */
306
307 /***********************************************************/
308 /* host time/date access */
309 void qemu_get_timedate(struct tm *tm, int offset)
310 {
311 time_t ti;
312 struct tm *ret;
313
314 time(&ti);
315 ti += offset;
316 if (rtc_date_offset == -1) {
317 if (rtc_utc)
318 ret = gmtime(&ti);
319 else
320 ret = localtime(&ti);
321 } else {
322 ti -= rtc_date_offset;
323 ret = gmtime(&ti);
324 }
325
326 memcpy(tm, ret, sizeof(struct tm));
327 }
328
329 int qemu_timedate_diff(struct tm *tm)
330 {
331 time_t seconds;
332
333 if (rtc_date_offset == -1)
334 if (rtc_utc)
335 seconds = mktimegm(tm);
336 else
337 seconds = mktime(tm);
338 else
339 seconds = mktimegm(tm) + rtc_date_offset;
340
341 return seconds - time(NULL);
342 }
343
344 void rtc_change_mon_event(struct tm *tm)
345 {
346 QObject *data;
347
348 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
349 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
350 qobject_decref(data);
351 }
352
353 static void configure_rtc_date_offset(const char *startdate, int legacy)
354 {
355 time_t rtc_start_date;
356 struct tm tm;
357
358 if (!strcmp(startdate, "now") && legacy) {
359 rtc_date_offset = -1;
360 } else {
361 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
362 &tm.tm_year,
363 &tm.tm_mon,
364 &tm.tm_mday,
365 &tm.tm_hour,
366 &tm.tm_min,
367 &tm.tm_sec) == 6) {
368 /* OK */
369 } else if (sscanf(startdate, "%d-%d-%d",
370 &tm.tm_year,
371 &tm.tm_mon,
372 &tm.tm_mday) == 3) {
373 tm.tm_hour = 0;
374 tm.tm_min = 0;
375 tm.tm_sec = 0;
376 } else {
377 goto date_fail;
378 }
379 tm.tm_year -= 1900;
380 tm.tm_mon--;
381 rtc_start_date = mktimegm(&tm);
382 if (rtc_start_date == -1) {
383 date_fail:
384 fprintf(stderr, "Invalid date format. Valid formats are:\n"
385 "'2006-06-17T16:01:21' or '2006-06-17'\n");
386 exit(1);
387 }
388 rtc_date_offset = time(NULL) - rtc_start_date;
389 }
390 }
391
392 static void configure_rtc(QemuOpts *opts)
393 {
394 const char *value;
395
396 value = qemu_opt_get(opts, "base");
397 if (value) {
398 if (!strcmp(value, "utc")) {
399 rtc_utc = 1;
400 } else if (!strcmp(value, "localtime")) {
401 rtc_utc = 0;
402 } else {
403 configure_rtc_date_offset(value, 0);
404 }
405 }
406 value = qemu_opt_get(opts, "clock");
407 if (value) {
408 if (!strcmp(value, "host")) {
409 rtc_clock = host_clock;
410 } else if (!strcmp(value, "vm")) {
411 rtc_clock = vm_clock;
412 } else {
413 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
414 exit(1);
415 }
416 }
417 value = qemu_opt_get(opts, "driftfix");
418 if (value) {
419 if (!strcmp(value, "slew")) {
420 rtc_td_hack = 1;
421 } else if (!strcmp(value, "none")) {
422 rtc_td_hack = 0;
423 } else {
424 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
425 exit(1);
426 }
427 }
428 }
429
430 /***********************************************************/
431 /* Bluetooth support */
432 static int nb_hcis;
433 static int cur_hci;
434 static struct HCIInfo *hci_table[MAX_NICS];
435
436 static struct bt_vlan_s {
437 struct bt_scatternet_s net;
438 int id;
439 struct bt_vlan_s *next;
440 } *first_bt_vlan;
441
442 /* find or alloc a new bluetooth "VLAN" */
443 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
444 {
445 struct bt_vlan_s **pvlan, *vlan;
446 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
447 if (vlan->id == id)
448 return &vlan->net;
449 }
450 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
451 vlan->id = id;
452 pvlan = &first_bt_vlan;
453 while (*pvlan != NULL)
454 pvlan = &(*pvlan)->next;
455 *pvlan = vlan;
456 return &vlan->net;
457 }
458
459 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
460 {
461 }
462
463 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
464 {
465 return -ENOTSUP;
466 }
467
468 static struct HCIInfo null_hci = {
469 .cmd_send = null_hci_send,
470 .sco_send = null_hci_send,
471 .acl_send = null_hci_send,
472 .bdaddr_set = null_hci_addr_set,
473 };
474
475 struct HCIInfo *qemu_next_hci(void)
476 {
477 if (cur_hci == nb_hcis)
478 return &null_hci;
479
480 return hci_table[cur_hci++];
481 }
482
483 static struct HCIInfo *hci_init(const char *str)
484 {
485 char *endp;
486 struct bt_scatternet_s *vlan = 0;
487
488 if (!strcmp(str, "null"))
489 /* null */
490 return &null_hci;
491 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
492 /* host[:hciN] */
493 return bt_host_hci(str[4] ? str + 5 : "hci0");
494 else if (!strncmp(str, "hci", 3)) {
495 /* hci[,vlan=n] */
496 if (str[3]) {
497 if (!strncmp(str + 3, ",vlan=", 6)) {
498 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
499 if (*endp)
500 vlan = 0;
501 }
502 } else
503 vlan = qemu_find_bt_vlan(0);
504 if (vlan)
505 return bt_new_hci(vlan);
506 }
507
508 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
509
510 return 0;
511 }
512
513 static int bt_hci_parse(const char *str)
514 {
515 struct HCIInfo *hci;
516 bdaddr_t bdaddr;
517
518 if (nb_hcis >= MAX_NICS) {
519 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
520 return -1;
521 }
522
523 hci = hci_init(str);
524 if (!hci)
525 return -1;
526
527 bdaddr.b[0] = 0x52;
528 bdaddr.b[1] = 0x54;
529 bdaddr.b[2] = 0x00;
530 bdaddr.b[3] = 0x12;
531 bdaddr.b[4] = 0x34;
532 bdaddr.b[5] = 0x56 + nb_hcis;
533 hci->bdaddr_set(hci, bdaddr.b);
534
535 hci_table[nb_hcis++] = hci;
536
537 return 0;
538 }
539
540 static void bt_vhci_add(int vlan_id)
541 {
542 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
543
544 if (!vlan->slave)
545 fprintf(stderr, "qemu: warning: adding a VHCI to "
546 "an empty scatternet %i\n", vlan_id);
547
548 bt_vhci_init(bt_new_hci(vlan));
549 }
550
551 static struct bt_device_s *bt_device_add(const char *opt)
552 {
553 struct bt_scatternet_s *vlan;
554 int vlan_id = 0;
555 char *endp = strstr(opt, ",vlan=");
556 int len = (endp ? endp - opt : strlen(opt)) + 1;
557 char devname[10];
558
559 pstrcpy(devname, MIN(sizeof(devname), len), opt);
560
561 if (endp) {
562 vlan_id = strtol(endp + 6, &endp, 0);
563 if (*endp) {
564 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
565 return 0;
566 }
567 }
568
569 vlan = qemu_find_bt_vlan(vlan_id);
570
571 if (!vlan->slave)
572 fprintf(stderr, "qemu: warning: adding a slave device to "
573 "an empty scatternet %i\n", vlan_id);
574
575 if (!strcmp(devname, "keyboard"))
576 return bt_keyboard_init(vlan);
577
578 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
579 return 0;
580 }
581
582 static int bt_parse(const char *opt)
583 {
584 const char *endp, *p;
585 int vlan;
586
587 if (strstart(opt, "hci", &endp)) {
588 if (!*endp || *endp == ',') {
589 if (*endp)
590 if (!strstart(endp, ",vlan=", 0))
591 opt = endp + 1;
592
593 return bt_hci_parse(opt);
594 }
595 } else if (strstart(opt, "vhci", &endp)) {
596 if (!*endp || *endp == ',') {
597 if (*endp) {
598 if (strstart(endp, ",vlan=", &p)) {
599 vlan = strtol(p, (char **) &endp, 0);
600 if (*endp) {
601 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
602 return 1;
603 }
604 } else {
605 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
606 return 1;
607 }
608 } else
609 vlan = 0;
610
611 bt_vhci_add(vlan);
612 return 0;
613 }
614 } else if (strstart(opt, "device:", &endp))
615 return !bt_device_add(endp);
616
617 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
618 return 1;
619 }
620
621 /***********************************************************/
622 /* QEMU Block devices */
623
624 #define HD_OPTS "media=disk"
625 #define CDROM_OPTS "media=cdrom"
626 #define FD_OPTS ""
627 #define PFLASH_OPTS ""
628 #define MTD_OPTS ""
629 #define SD_OPTS ""
630
631 static int drive_init_func(QemuOpts *opts, void *opaque)
632 {
633 int *use_scsi = opaque;
634
635 return drive_init(opts, *use_scsi) == NULL;
636 }
637
638 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
639 {
640 if (NULL == qemu_opt_get(opts, "snapshot")) {
641 qemu_opt_set(opts, "snapshot", "on");
642 }
643 return 0;
644 }
645
646 static void default_drive(int enable, int snapshot, int use_scsi,
647 BlockInterfaceType type, int index,
648 const char *optstr)
649 {
650 QemuOpts *opts;
651
652 if (type == IF_DEFAULT) {
653 type = use_scsi ? IF_SCSI : IF_IDE;
654 }
655
656 if (!enable || drive_get_by_index(type, index)) {
657 return;
658 }
659
660 opts = drive_add(type, index, NULL, optstr);
661 if (snapshot) {
662 drive_enable_snapshot(opts, NULL);
663 }
664 if (!drive_init(opts, use_scsi)) {
665 exit(1);
666 }
667 }
668
669 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
670 {
671 boot_set_handler = func;
672 boot_set_opaque = opaque;
673 }
674
675 int qemu_boot_set(const char *boot_devices)
676 {
677 if (!boot_set_handler) {
678 return -EINVAL;
679 }
680 return boot_set_handler(boot_set_opaque, boot_devices);
681 }
682
683 static void validate_bootdevices(char *devices)
684 {
685 /* We just do some generic consistency checks */
686 const char *p;
687 int bitmap = 0;
688
689 for (p = devices; *p != '\0'; p++) {
690 /* Allowed boot devices are:
691 * a-b: floppy disk drives
692 * c-f: IDE disk drives
693 * g-m: machine implementation dependant drives
694 * n-p: network devices
695 * It's up to each machine implementation to check if the given boot
696 * devices match the actual hardware implementation and firmware
697 * features.
698 */
699 if (*p < 'a' || *p > 'p') {
700 fprintf(stderr, "Invalid boot device '%c'\n", *p);
701 exit(1);
702 }
703 if (bitmap & (1 << (*p - 'a'))) {
704 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
705 exit(1);
706 }
707 bitmap |= 1 << (*p - 'a');
708 }
709 }
710
711 static void restore_boot_devices(void *opaque)
712 {
713 char *standard_boot_devices = opaque;
714 static int first = 1;
715
716 /* Restore boot order and remove ourselves after the first boot */
717 if (first) {
718 first = 0;
719 return;
720 }
721
722 qemu_boot_set(standard_boot_devices);
723
724 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
725 qemu_free(standard_boot_devices);
726 }
727
728 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
729 const char *suffix)
730 {
731 FWBootEntry *node, *i;
732
733 if (bootindex < 0) {
734 return;
735 }
736
737 assert(dev != NULL || suffix != NULL);
738
739 node = qemu_mallocz(sizeof(FWBootEntry));
740 node->bootindex = bootindex;
741 node->suffix = suffix ? qemu_strdup(suffix) : NULL;
742 node->dev = dev;
743
744 QTAILQ_FOREACH(i, &fw_boot_order, link) {
745 if (i->bootindex == bootindex) {
746 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
747 exit(1);
748 } else if (i->bootindex < bootindex) {
749 continue;
750 }
751 QTAILQ_INSERT_BEFORE(i, node, link);
752 return;
753 }
754 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
755 }
756
757 /*
758 * This function returns null terminated string that consist of new line
759 * separated device pathes.
760 *
761 * memory pointed by "size" is assigned total length of the array in bytes
762 *
763 */
764 char *get_boot_devices_list(uint32_t *size)
765 {
766 FWBootEntry *i;
767 uint32_t total = 0;
768 char *list = NULL;
769
770 QTAILQ_FOREACH(i, &fw_boot_order, link) {
771 char *devpath = NULL, *bootpath;
772 int len;
773
774 if (i->dev) {
775 devpath = qdev_get_fw_dev_path(i->dev);
776 assert(devpath);
777 }
778
779 if (i->suffix && devpath) {
780 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
781
782 bootpath = qemu_malloc(bootpathlen);
783 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
784 qemu_free(devpath);
785 } else if (devpath) {
786 bootpath = devpath;
787 } else {
788 bootpath = qemu_strdup(i->suffix);
789 assert(bootpath);
790 }
791
792 if (total) {
793 list[total-1] = '\n';
794 }
795 len = strlen(bootpath) + 1;
796 list = qemu_realloc(list, total + len);
797 memcpy(&list[total], bootpath, len);
798 total += len;
799 qemu_free(bootpath);
800 }
801
802 *size = total;
803
804 return list;
805 }
806
807 static void numa_add(const char *optarg)
808 {
809 char option[128];
810 char *endptr;
811 unsigned long long value, endvalue;
812 int nodenr;
813
814 optarg = get_opt_name(option, 128, optarg, ',') + 1;
815 if (!strcmp(option, "node")) {
816 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
817 nodenr = nb_numa_nodes;
818 } else {
819 nodenr = strtoull(option, NULL, 10);
820 }
821
822 if (get_param_value(option, 128, "mem", optarg) == 0) {
823 node_mem[nodenr] = 0;
824 } else {
825 int64_t sval;
826 sval = strtosz(option, NULL);
827 if (sval < 0) {
828 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
829 exit(1);
830 }
831 node_mem[nodenr] = sval;
832 }
833 if (get_param_value(option, 128, "cpus", optarg) == 0) {
834 node_cpumask[nodenr] = 0;
835 } else {
836 value = strtoull(option, &endptr, 10);
837 if (value >= 64) {
838 value = 63;
839 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
840 } else {
841 if (*endptr == '-') {
842 endvalue = strtoull(endptr+1, &endptr, 10);
843 if (endvalue >= 63) {
844 endvalue = 62;
845 fprintf(stderr,
846 "only 63 CPUs in NUMA mode supported.\n");
847 }
848 value = (2ULL << endvalue) - (1ULL << value);
849 } else {
850 value = 1ULL << value;
851 }
852 }
853 node_cpumask[nodenr] = value;
854 }
855 nb_numa_nodes++;
856 }
857 return;
858 }
859
860 static void smp_parse(const char *optarg)
861 {
862 int smp, sockets = 0, threads = 0, cores = 0;
863 char *endptr;
864 char option[128];
865
866 smp = strtoul(optarg, &endptr, 10);
867 if (endptr != optarg) {
868 if (*endptr == ',') {
869 endptr++;
870 }
871 }
872 if (get_param_value(option, 128, "sockets", endptr) != 0)
873 sockets = strtoull(option, NULL, 10);
874 if (get_param_value(option, 128, "cores", endptr) != 0)
875 cores = strtoull(option, NULL, 10);
876 if (get_param_value(option, 128, "threads", endptr) != 0)
877 threads = strtoull(option, NULL, 10);
878 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
879 max_cpus = strtoull(option, NULL, 10);
880
881 /* compute missing values, prefer sockets over cores over threads */
882 if (smp == 0 || sockets == 0) {
883 sockets = sockets > 0 ? sockets : 1;
884 cores = cores > 0 ? cores : 1;
885 threads = threads > 0 ? threads : 1;
886 if (smp == 0) {
887 smp = cores * threads * sockets;
888 }
889 } else {
890 if (cores == 0) {
891 threads = threads > 0 ? threads : 1;
892 cores = smp / (sockets * threads);
893 } else {
894 threads = smp / (cores * sockets);
895 }
896 }
897 smp_cpus = smp;
898 smp_cores = cores > 0 ? cores : 1;
899 smp_threads = threads > 0 ? threads : 1;
900 if (max_cpus == 0)
901 max_cpus = smp_cpus;
902 }
903
904 /***********************************************************/
905 /* USB devices */
906
907 static int usb_device_add(const char *devname)
908 {
909 const char *p;
910 USBDevice *dev = NULL;
911
912 if (!usb_enabled)
913 return -1;
914
915 /* drivers with .usbdevice_name entry in USBDeviceInfo */
916 dev = usbdevice_create(devname);
917 if (dev)
918 goto done;
919
920 /* the other ones */
921 if (strstart(devname, "host:", &p)) {
922 dev = usb_host_device_open(p);
923 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
924 dev = usb_bt_init(devname[2] ? hci_init(p) :
925 bt_new_hci(qemu_find_bt_vlan(0)));
926 } else {
927 return -1;
928 }
929 if (!dev)
930 return -1;
931
932 done:
933 return 0;
934 }
935
936 static int usb_device_del(const char *devname)
937 {
938 int bus_num, addr;
939 const char *p;
940
941 if (strstart(devname, "host:", &p))
942 return usb_host_device_close(p);
943
944 if (!usb_enabled)
945 return -1;
946
947 p = strchr(devname, '.');
948 if (!p)
949 return -1;
950 bus_num = strtoul(devname, NULL, 0);
951 addr = strtoul(p + 1, NULL, 0);
952
953 return usb_device_delete_addr(bus_num, addr);
954 }
955
956 static int usb_parse(const char *cmdline)
957 {
958 int r;
959 r = usb_device_add(cmdline);
960 if (r < 0) {
961 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
962 }
963 return r;
964 }
965
966 void do_usb_add(Monitor *mon, const QDict *qdict)
967 {
968 const char *devname = qdict_get_str(qdict, "devname");
969 if (usb_device_add(devname) < 0) {
970 error_report("could not add USB device '%s'", devname);
971 }
972 }
973
974 void do_usb_del(Monitor *mon, const QDict *qdict)
975 {
976 const char *devname = qdict_get_str(qdict, "devname");
977 if (usb_device_del(devname) < 0) {
978 error_report("could not delete USB device '%s'", devname);
979 }
980 }
981
982 /***********************************************************/
983 /* PCMCIA/Cardbus */
984
985 static struct pcmcia_socket_entry_s {
986 PCMCIASocket *socket;
987 struct pcmcia_socket_entry_s *next;
988 } *pcmcia_sockets = 0;
989
990 void pcmcia_socket_register(PCMCIASocket *socket)
991 {
992 struct pcmcia_socket_entry_s *entry;
993
994 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
995 entry->socket = socket;
996 entry->next = pcmcia_sockets;
997 pcmcia_sockets = entry;
998 }
999
1000 void pcmcia_socket_unregister(PCMCIASocket *socket)
1001 {
1002 struct pcmcia_socket_entry_s *entry, **ptr;
1003
1004 ptr = &pcmcia_sockets;
1005 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1006 if (entry->socket == socket) {
1007 *ptr = entry->next;
1008 qemu_free(entry);
1009 }
1010 }
1011
1012 void pcmcia_info(Monitor *mon)
1013 {
1014 struct pcmcia_socket_entry_s *iter;
1015
1016 if (!pcmcia_sockets)
1017 monitor_printf(mon, "No PCMCIA sockets\n");
1018
1019 for (iter = pcmcia_sockets; iter; iter = iter->next)
1020 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1021 iter->socket->attached ? iter->socket->card_string :
1022 "Empty");
1023 }
1024
1025 /***********************************************************/
1026 /* 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_ms(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_ms(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 static int debug_requested;
1221 static 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 qemu_system_debug_request(void)
1316 {
1317 debug_requested = 1;
1318 qemu_notify_event();
1319 }
1320
1321 void qemu_system_vmstop_request(int reason)
1322 {
1323 vmstop_requested = reason;
1324 qemu_notify_event();
1325 }
1326
1327 void main_loop_wait(int nonblocking)
1328 {
1329 IOHandlerRecord *ioh;
1330 fd_set rfds, wfds, xfds;
1331 int ret, nfds;
1332 struct timeval tv;
1333 int timeout;
1334
1335 if (nonblocking)
1336 timeout = 0;
1337 else {
1338 timeout = qemu_calculate_timeout();
1339 qemu_bh_update_timeout(&timeout);
1340 }
1341
1342 os_host_main_loop_wait(&timeout);
1343
1344 /* poll any events */
1345 /* XXX: separate device handlers from system ones */
1346 nfds = -1;
1347 FD_ZERO(&rfds);
1348 FD_ZERO(&wfds);
1349 FD_ZERO(&xfds);
1350 QLIST_FOREACH(ioh, &io_handlers, next) {
1351 if (ioh->deleted)
1352 continue;
1353 if (ioh->fd_read &&
1354 (!ioh->fd_read_poll ||
1355 ioh->fd_read_poll(ioh->opaque) != 0)) {
1356 FD_SET(ioh->fd, &rfds);
1357 if (ioh->fd > nfds)
1358 nfds = ioh->fd;
1359 }
1360 if (ioh->fd_write) {
1361 FD_SET(ioh->fd, &wfds);
1362 if (ioh->fd > nfds)
1363 nfds = ioh->fd;
1364 }
1365 }
1366
1367 tv.tv_sec = timeout / 1000;
1368 tv.tv_usec = (timeout % 1000) * 1000;
1369
1370 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1371
1372 qemu_mutex_unlock_iothread();
1373 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1374 qemu_mutex_lock_iothread();
1375 if (ret > 0) {
1376 IOHandlerRecord *pioh;
1377
1378 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1379 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1380 ioh->fd_read(ioh->opaque);
1381 }
1382 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1383 ioh->fd_write(ioh->opaque);
1384 }
1385
1386 /* Do this last in case read/write handlers marked it for deletion */
1387 if (ioh->deleted) {
1388 QLIST_REMOVE(ioh, next);
1389 qemu_free(ioh);
1390 }
1391 }
1392 }
1393
1394 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1395
1396 qemu_run_all_timers();
1397
1398 /* Check bottom-halves last in case any of the earlier events triggered
1399 them. */
1400 qemu_bh_poll();
1401
1402 }
1403
1404 #ifndef CONFIG_IOTHREAD
1405 static int vm_request_pending(void)
1406 {
1407 return powerdown_requested ||
1408 reset_requested ||
1409 shutdown_requested ||
1410 debug_requested ||
1411 vmstop_requested;
1412 }
1413 #endif
1414
1415 qemu_irq qemu_system_powerdown;
1416
1417 static void main_loop(void)
1418 {
1419 bool nonblocking = false;
1420 #ifdef CONFIG_PROFILER
1421 int64_t ti;
1422 #endif
1423 int r;
1424
1425 qemu_main_loop_start();
1426
1427 for (;;) {
1428 #ifndef CONFIG_IOTHREAD
1429 nonblocking = cpu_exec_all();
1430 if (vm_request_pending()) {
1431 nonblocking = true;
1432 }
1433 #endif
1434 #ifdef CONFIG_PROFILER
1435 ti = profile_getclock();
1436 #endif
1437 main_loop_wait(nonblocking);
1438 #ifdef CONFIG_PROFILER
1439 dev_time += profile_getclock() - ti;
1440 #endif
1441
1442 if (qemu_debug_requested()) {
1443 vm_stop(VMSTOP_DEBUG);
1444 }
1445 if (qemu_shutdown_requested()) {
1446 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1447 if (no_shutdown) {
1448 vm_stop(VMSTOP_SHUTDOWN);
1449 no_shutdown = 0;
1450 } else
1451 break;
1452 }
1453 if (qemu_reset_requested()) {
1454 pause_all_vcpus();
1455 cpu_synchronize_all_states();
1456 qemu_system_reset();
1457 resume_all_vcpus();
1458 }
1459 if (qemu_powerdown_requested()) {
1460 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1461 qemu_irq_raise(qemu_system_powerdown);
1462 }
1463 if ((r = qemu_vmstop_requested())) {
1464 vm_stop(r);
1465 }
1466 }
1467 bdrv_close_all();
1468 pause_all_vcpus();
1469 }
1470
1471 static void version(void)
1472 {
1473 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1474 }
1475
1476 static void help(int exitcode)
1477 {
1478 const char *options_help =
1479 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1480 opt_help
1481 #define DEFHEADING(text) stringify(text) "\n"
1482 #include "qemu-options.def"
1483 #undef DEF
1484 #undef DEFHEADING
1485 #undef GEN_DOCS
1486 ;
1487 version();
1488 printf("usage: %s [options] [disk_image]\n"
1489 "\n"
1490 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1491 "\n"
1492 "%s\n"
1493 "During emulation, the following keys are useful:\n"
1494 "ctrl-alt-f toggle full screen\n"
1495 "ctrl-alt-n switch to virtual console 'n'\n"
1496 "ctrl-alt toggle mouse and keyboard grab\n"
1497 "\n"
1498 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1499 "qemu",
1500 options_help);
1501 exit(exitcode);
1502 }
1503
1504 #define HAS_ARG 0x0001
1505
1506 typedef struct QEMUOption {
1507 const char *name;
1508 int flags;
1509 int index;
1510 uint32_t arch_mask;
1511 } QEMUOption;
1512
1513 static const QEMUOption qemu_options[] = {
1514 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1515 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1516 { option, opt_arg, opt_enum, arch_mask },
1517 #define DEFHEADING(text)
1518 #include "qemu-options.def"
1519 #undef DEF
1520 #undef DEFHEADING
1521 #undef GEN_DOCS
1522 { NULL },
1523 };
1524 static void select_vgahw (const char *p)
1525 {
1526 const char *opts;
1527
1528 default_vga = 0;
1529 vga_interface_type = VGA_NONE;
1530 if (strstart(p, "std", &opts)) {
1531 vga_interface_type = VGA_STD;
1532 } else if (strstart(p, "cirrus", &opts)) {
1533 vga_interface_type = VGA_CIRRUS;
1534 } else if (strstart(p, "vmware", &opts)) {
1535 vga_interface_type = VGA_VMWARE;
1536 } else if (strstart(p, "xenfb", &opts)) {
1537 vga_interface_type = VGA_XENFB;
1538 } else if (strstart(p, "qxl", &opts)) {
1539 vga_interface_type = VGA_QXL;
1540 } else if (!strstart(p, "none", &opts)) {
1541 invalid_vga:
1542 fprintf(stderr, "Unknown vga type: %s\n", p);
1543 exit(1);
1544 }
1545 while (*opts) {
1546 const char *nextopt;
1547
1548 if (strstart(opts, ",retrace=", &nextopt)) {
1549 opts = nextopt;
1550 if (strstart(opts, "dumb", &nextopt))
1551 vga_retrace_method = VGA_RETRACE_DUMB;
1552 else if (strstart(opts, "precise", &nextopt))
1553 vga_retrace_method = VGA_RETRACE_PRECISE;
1554 else goto invalid_vga;
1555 } else goto invalid_vga;
1556 opts = nextopt;
1557 }
1558 }
1559
1560 static DisplayType select_display(const char *p)
1561 {
1562 const char *opts;
1563 DisplayType display = DT_DEFAULT;
1564
1565 if (strstart(p, "sdl", &opts)) {
1566 #ifdef CONFIG_SDL
1567 display = DT_SDL;
1568 while (*opts) {
1569 const char *nextopt;
1570
1571 if (strstart(opts, ",frame=", &nextopt)) {
1572 opts = nextopt;
1573 if (strstart(opts, "on", &nextopt)) {
1574 no_frame = 0;
1575 } else if (strstart(opts, "off", &nextopt)) {
1576 no_frame = 1;
1577 } else {
1578 goto invalid_sdl_args;
1579 }
1580 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1581 opts = nextopt;
1582 if (strstart(opts, "on", &nextopt)) {
1583 alt_grab = 1;
1584 } else if (strstart(opts, "off", &nextopt)) {
1585 alt_grab = 0;
1586 } else {
1587 goto invalid_sdl_args;
1588 }
1589 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1590 opts = nextopt;
1591 if (strstart(opts, "on", &nextopt)) {
1592 ctrl_grab = 1;
1593 } else if (strstart(opts, "off", &nextopt)) {
1594 ctrl_grab = 0;
1595 } else {
1596 goto invalid_sdl_args;
1597 }
1598 } else if (strstart(opts, ",window_close=", &nextopt)) {
1599 opts = nextopt;
1600 if (strstart(opts, "on", &nextopt)) {
1601 no_quit = 0;
1602 } else if (strstart(opts, "off", &nextopt)) {
1603 no_quit = 1;
1604 } else {
1605 goto invalid_sdl_args;
1606 }
1607 } else {
1608 invalid_sdl_args:
1609 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1610 exit(1);
1611 }
1612 opts = nextopt;
1613 }
1614 #else
1615 fprintf(stderr, "SDL support is disabled\n");
1616 exit(1);
1617 #endif
1618 } else if (strstart(p, "vnc", &opts)) {
1619 #ifdef CONFIG_VNC
1620 display_remote++;
1621
1622 if (*opts) {
1623 const char *nextopt;
1624
1625 if (strstart(opts, "=", &nextopt)) {
1626 vnc_display = nextopt;
1627 }
1628 }
1629 if (!vnc_display) {
1630 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1631 exit(1);
1632 }
1633 #else
1634 fprintf(stderr, "VNC support is disabled\n");
1635 exit(1);
1636 #endif
1637 } else if (strstart(p, "curses", &opts)) {
1638 #ifdef CONFIG_CURSES
1639 display = DT_CURSES;
1640 #else
1641 fprintf(stderr, "Curses support is disabled\n");
1642 exit(1);
1643 #endif
1644 } else if (strstart(p, "none", &opts)) {
1645 display = DT_NONE;
1646 } else {
1647 fprintf(stderr, "Unknown display type: %s\n", p);
1648 exit(1);
1649 }
1650
1651 return display;
1652 }
1653
1654 static int balloon_parse(const char *arg)
1655 {
1656 QemuOpts *opts;
1657
1658 if (strcmp(arg, "none") == 0) {
1659 return 0;
1660 }
1661
1662 if (!strncmp(arg, "virtio", 6)) {
1663 if (arg[6] == ',') {
1664 /* have params -> parse them */
1665 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1666 if (!opts)
1667 return -1;
1668 } else {
1669 /* create empty opts */
1670 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1671 }
1672 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1673 return 0;
1674 }
1675
1676 return -1;
1677 }
1678
1679 char *qemu_find_file(int type, const char *name)
1680 {
1681 int len;
1682 const char *subdir;
1683 char *buf;
1684
1685 /* If name contains path separators then try it as a straight path. */
1686 if ((strchr(name, '/') || strchr(name, '\\'))
1687 && access(name, R_OK) == 0) {
1688 return qemu_strdup(name);
1689 }
1690 switch (type) {
1691 case QEMU_FILE_TYPE_BIOS:
1692 subdir = "";
1693 break;
1694 case QEMU_FILE_TYPE_KEYMAP:
1695 subdir = "keymaps/";
1696 break;
1697 default:
1698 abort();
1699 }
1700 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1701 buf = qemu_mallocz(len);
1702 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1703 if (access(buf, R_OK)) {
1704 qemu_free(buf);
1705 return NULL;
1706 }
1707 return buf;
1708 }
1709
1710 static int device_help_func(QemuOpts *opts, void *opaque)
1711 {
1712 return qdev_device_help(opts);
1713 }
1714
1715 static int device_init_func(QemuOpts *opts, void *opaque)
1716 {
1717 DeviceState *dev;
1718
1719 dev = qdev_device_add(opts);
1720 if (!dev)
1721 return -1;
1722 return 0;
1723 }
1724
1725 static int chardev_init_func(QemuOpts *opts, void *opaque)
1726 {
1727 CharDriverState *chr;
1728
1729 chr = qemu_chr_open_opts(opts, NULL);
1730 if (!chr)
1731 return -1;
1732 return 0;
1733 }
1734
1735 #ifdef CONFIG_VIRTFS
1736 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1737 {
1738 int ret;
1739 ret = qemu_fsdev_add(opts);
1740
1741 return ret;
1742 }
1743 #endif
1744
1745 static int mon_init_func(QemuOpts *opts, void *opaque)
1746 {
1747 CharDriverState *chr;
1748 const char *chardev;
1749 const char *mode;
1750 int flags;
1751
1752 mode = qemu_opt_get(opts, "mode");
1753 if (mode == NULL) {
1754 mode = "readline";
1755 }
1756 if (strcmp(mode, "readline") == 0) {
1757 flags = MONITOR_USE_READLINE;
1758 } else if (strcmp(mode, "control") == 0) {
1759 flags = MONITOR_USE_CONTROL;
1760 } else {
1761 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1762 exit(1);
1763 }
1764
1765 if (qemu_opt_get_bool(opts, "pretty", 0))
1766 flags |= MONITOR_USE_PRETTY;
1767
1768 if (qemu_opt_get_bool(opts, "default", 0))
1769 flags |= MONITOR_IS_DEFAULT;
1770
1771 chardev = qemu_opt_get(opts, "chardev");
1772 chr = qemu_chr_find(chardev);
1773 if (chr == NULL) {
1774 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1775 exit(1);
1776 }
1777
1778 monitor_init(chr, flags);
1779 return 0;
1780 }
1781
1782 static void monitor_parse(const char *optarg, const char *mode)
1783 {
1784 static int monitor_device_index = 0;
1785 QemuOpts *opts;
1786 const char *p;
1787 char label[32];
1788 int def = 0;
1789
1790 if (strstart(optarg, "chardev:", &p)) {
1791 snprintf(label, sizeof(label), "%s", p);
1792 } else {
1793 snprintf(label, sizeof(label), "compat_monitor%d",
1794 monitor_device_index);
1795 if (monitor_device_index == 0) {
1796 def = 1;
1797 }
1798 opts = qemu_chr_parse_compat(label, optarg);
1799 if (!opts) {
1800 fprintf(stderr, "parse error: %s\n", optarg);
1801 exit(1);
1802 }
1803 }
1804
1805 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1806 if (!opts) {
1807 fprintf(stderr, "duplicate chardev: %s\n", label);
1808 exit(1);
1809 }
1810 qemu_opt_set(opts, "mode", mode);
1811 qemu_opt_set(opts, "chardev", label);
1812 if (def)
1813 qemu_opt_set(opts, "default", "on");
1814 monitor_device_index++;
1815 }
1816
1817 struct device_config {
1818 enum {
1819 DEV_USB, /* -usbdevice */
1820 DEV_BT, /* -bt */
1821 DEV_SERIAL, /* -serial */
1822 DEV_PARALLEL, /* -parallel */
1823 DEV_VIRTCON, /* -virtioconsole */
1824 DEV_DEBUGCON, /* -debugcon */
1825 } type;
1826 const char *cmdline;
1827 QTAILQ_ENTRY(device_config) next;
1828 };
1829 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1830
1831 static void add_device_config(int type, const char *cmdline)
1832 {
1833 struct device_config *conf;
1834
1835 conf = qemu_mallocz(sizeof(*conf));
1836 conf->type = type;
1837 conf->cmdline = cmdline;
1838 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1839 }
1840
1841 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1842 {
1843 struct device_config *conf;
1844 int rc;
1845
1846 QTAILQ_FOREACH(conf, &device_configs, next) {
1847 if (conf->type != type)
1848 continue;
1849 rc = func(conf->cmdline);
1850 if (0 != rc)
1851 return rc;
1852 }
1853 return 0;
1854 }
1855
1856 static int serial_parse(const char *devname)
1857 {
1858 static int index = 0;
1859 char label[32];
1860
1861 if (strcmp(devname, "none") == 0)
1862 return 0;
1863 if (index == MAX_SERIAL_PORTS) {
1864 fprintf(stderr, "qemu: too many serial ports\n");
1865 exit(1);
1866 }
1867 snprintf(label, sizeof(label), "serial%d", index);
1868 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1869 if (!serial_hds[index]) {
1870 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1871 devname, strerror(errno));
1872 return -1;
1873 }
1874 index++;
1875 return 0;
1876 }
1877
1878 static int parallel_parse(const char *devname)
1879 {
1880 static int index = 0;
1881 char label[32];
1882
1883 if (strcmp(devname, "none") == 0)
1884 return 0;
1885 if (index == MAX_PARALLEL_PORTS) {
1886 fprintf(stderr, "qemu: too many parallel ports\n");
1887 exit(1);
1888 }
1889 snprintf(label, sizeof(label), "parallel%d", index);
1890 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1891 if (!parallel_hds[index]) {
1892 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1893 devname, strerror(errno));
1894 return -1;
1895 }
1896 index++;
1897 return 0;
1898 }
1899
1900 static int virtcon_parse(const char *devname)
1901 {
1902 QemuOptsList *device = qemu_find_opts("device");
1903 static int index = 0;
1904 char label[32];
1905 QemuOpts *bus_opts, *dev_opts;
1906
1907 if (strcmp(devname, "none") == 0)
1908 return 0;
1909 if (index == MAX_VIRTIO_CONSOLES) {
1910 fprintf(stderr, "qemu: too many virtio consoles\n");
1911 exit(1);
1912 }
1913
1914 bus_opts = qemu_opts_create(device, NULL, 0);
1915 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1916
1917 dev_opts = qemu_opts_create(device, NULL, 0);
1918 qemu_opt_set(dev_opts, "driver", "virtconsole");
1919
1920 snprintf(label, sizeof(label), "virtcon%d", index);
1921 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1922 if (!virtcon_hds[index]) {
1923 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1924 devname, strerror(errno));
1925 return -1;
1926 }
1927 qemu_opt_set(dev_opts, "chardev", label);
1928
1929 index++;
1930 return 0;
1931 }
1932
1933 static int debugcon_parse(const char *devname)
1934 {
1935 QemuOpts *opts;
1936
1937 if (!qemu_chr_open("debugcon", devname, NULL)) {
1938 exit(1);
1939 }
1940 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1941 if (!opts) {
1942 fprintf(stderr, "qemu: already have a debugcon device\n");
1943 exit(1);
1944 }
1945 qemu_opt_set(opts, "driver", "isa-debugcon");
1946 qemu_opt_set(opts, "chardev", "debugcon");
1947 return 0;
1948 }
1949
1950 void qemu_add_exit_notifier(Notifier *notify)
1951 {
1952 notifier_list_add(&exit_notifiers, notify);
1953 }
1954
1955 void qemu_remove_exit_notifier(Notifier *notify)
1956 {
1957 notifier_list_remove(&exit_notifiers, notify);
1958 }
1959
1960 static void qemu_run_exit_notifiers(void)
1961 {
1962 notifier_list_notify(&exit_notifiers);
1963 }
1964
1965 void qemu_add_machine_init_done_notifier(Notifier *notify)
1966 {
1967 notifier_list_add(&machine_init_done_notifiers, notify);
1968 }
1969
1970 static void qemu_run_machine_init_done_notifiers(void)
1971 {
1972 notifier_list_notify(&machine_init_done_notifiers);
1973 }
1974
1975 static const QEMUOption *lookup_opt(int argc, char **argv,
1976 const char **poptarg, int *poptind)
1977 {
1978 const QEMUOption *popt;
1979 int optind = *poptind;
1980 char *r = argv[optind];
1981 const char *optarg;
1982
1983 loc_set_cmdline(argv, optind, 1);
1984 optind++;
1985 /* Treat --foo the same as -foo. */
1986 if (r[1] == '-')
1987 r++;
1988 popt = qemu_options;
1989 for(;;) {
1990 if (!popt->name) {
1991 error_report("invalid option");
1992 exit(1);
1993 }
1994 if (!strcmp(popt->name, r + 1))
1995 break;
1996 popt++;
1997 }
1998 if (popt->flags & HAS_ARG) {
1999 if (optind >= argc) {
2000 error_report("requires an argument");
2001 exit(1);
2002 }
2003 optarg = argv[optind++];
2004 loc_set_cmdline(argv, optind - 2, 2);
2005 } else {
2006 optarg = NULL;
2007 }
2008
2009 *poptarg = optarg;
2010 *poptind = optind;
2011
2012 return popt;
2013 }
2014
2015 int main(int argc, char **argv, char **envp)
2016 {
2017 const char *gdbstub_dev = NULL;
2018 int i;
2019 int snapshot, linux_boot;
2020 const char *icount_option = NULL;
2021 const char *initrd_filename;
2022 const char *kernel_filename, *kernel_cmdline;
2023 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2024 DisplayState *ds;
2025 DisplayChangeListener *dcl;
2026 int cyls, heads, secs, translation;
2027 QemuOpts *hda_opts = NULL, *opts;
2028 QemuOptsList *olist;
2029 int optind;
2030 const char *optarg;
2031 const char *loadvm = NULL;
2032 QEMUMachine *machine;
2033 const char *cpu_model;
2034 int tb_size;
2035 const char *pid_file = NULL;
2036 const char *incoming = NULL;
2037 #ifdef CONFIG_VNC
2038 int show_vnc_port = 0;
2039 #endif
2040 int defconfig = 1;
2041 const char *trace_file = NULL;
2042
2043 atexit(qemu_run_exit_notifiers);
2044 error_set_progname(argv[0]);
2045
2046 init_clocks();
2047
2048 qemu_cache_utils_init(envp);
2049
2050 QLIST_INIT (&vm_change_state_head);
2051 os_setup_early_signal_handling();
2052
2053 module_call_init(MODULE_INIT_MACHINE);
2054 machine = find_default_machine();
2055 cpu_model = NULL;
2056 initrd_filename = NULL;
2057 ram_size = 0;
2058 snapshot = 0;
2059 kernel_filename = NULL;
2060 kernel_cmdline = "";
2061 cyls = heads = secs = 0;
2062 translation = BIOS_ATA_TRANSLATION_AUTO;
2063
2064 for (i = 0; i < MAX_NODES; i++) {
2065 node_mem[i] = 0;
2066 node_cpumask[i] = 0;
2067 }
2068
2069 nb_numa_nodes = 0;
2070 nb_nics = 0;
2071
2072 tb_size = 0;
2073 autostart= 1;
2074
2075 /* first pass of option parsing */
2076 optind = 1;
2077 while (optind < argc) {
2078 if (argv[optind][0] != '-') {
2079 /* disk image */
2080 optind++;
2081 continue;
2082 } else {
2083 const QEMUOption *popt;
2084
2085 popt = lookup_opt(argc, argv, &optarg, &optind);
2086 switch (popt->index) {
2087 case QEMU_OPTION_nodefconfig:
2088 defconfig=0;
2089 break;
2090 }
2091 }
2092 }
2093
2094 if (defconfig) {
2095 int ret;
2096
2097 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2098 if (ret < 0 && ret != -ENOENT) {
2099 exit(1);
2100 }
2101
2102 ret = qemu_read_config_file(arch_config_name);
2103 if (ret < 0 && ret != -ENOENT) {
2104 exit(1);
2105 }
2106 }
2107 cpudef_init();
2108
2109 /* second pass of option parsing */
2110 optind = 1;
2111 for(;;) {
2112 if (optind >= argc)
2113 break;
2114 if (argv[optind][0] != '-') {
2115 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2116 } else {
2117 const QEMUOption *popt;
2118
2119 popt = lookup_opt(argc, argv, &optarg, &optind);
2120 if (!(popt->arch_mask & arch_type)) {
2121 printf("Option %s not supported for this target\n", popt->name);
2122 exit(1);
2123 }
2124 switch(popt->index) {
2125 case QEMU_OPTION_M:
2126 machine = find_machine(optarg);
2127 if (!machine) {
2128 QEMUMachine *m;
2129 printf("Supported machines are:\n");
2130 for(m = first_machine; m != NULL; m = m->next) {
2131 if (m->alias)
2132 printf("%-10s %s (alias of %s)\n",
2133 m->alias, m->desc, m->name);
2134 printf("%-10s %s%s\n",
2135 m->name, m->desc,
2136 m->is_default ? " (default)" : "");
2137 }
2138 exit(*optarg != '?');
2139 }
2140 break;
2141 case QEMU_OPTION_cpu:
2142 /* hw initialization will check this */
2143 if (*optarg == '?') {
2144 list_cpus(stdout, &fprintf, optarg);
2145 exit(0);
2146 } else {
2147 cpu_model = optarg;
2148 }
2149 break;
2150 case QEMU_OPTION_initrd:
2151 initrd_filename = optarg;
2152 break;
2153 case QEMU_OPTION_hda:
2154 {
2155 char buf[256];
2156 if (cyls == 0)
2157 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2158 else
2159 snprintf(buf, sizeof(buf),
2160 "%s,cyls=%d,heads=%d,secs=%d%s",
2161 HD_OPTS , cyls, heads, secs,
2162 translation == BIOS_ATA_TRANSLATION_LBA ?
2163 ",trans=lba" :
2164 translation == BIOS_ATA_TRANSLATION_NONE ?
2165 ",trans=none" : "");
2166 drive_add(IF_DEFAULT, 0, optarg, buf);
2167 break;
2168 }
2169 case QEMU_OPTION_hdb:
2170 case QEMU_OPTION_hdc:
2171 case QEMU_OPTION_hdd:
2172 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2173 HD_OPTS);
2174 break;
2175 case QEMU_OPTION_drive:
2176 drive_def(optarg);
2177 break;
2178 case QEMU_OPTION_set:
2179 if (qemu_set_option(optarg) != 0)
2180 exit(1);
2181 break;
2182 case QEMU_OPTION_global:
2183 if (qemu_global_option(optarg) != 0)
2184 exit(1);
2185 break;
2186 case QEMU_OPTION_mtdblock:
2187 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2188 break;
2189 case QEMU_OPTION_sd:
2190 drive_add(IF_SD, 0, optarg, SD_OPTS);
2191 break;
2192 case QEMU_OPTION_pflash:
2193 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2194 break;
2195 case QEMU_OPTION_snapshot:
2196 snapshot = 1;
2197 break;
2198 case QEMU_OPTION_hdachs:
2199 {
2200 const char *p;
2201 p = optarg;
2202 cyls = strtol(p, (char **)&p, 0);
2203 if (cyls < 1 || cyls > 16383)
2204 goto chs_fail;
2205 if (*p != ',')
2206 goto chs_fail;
2207 p++;
2208 heads = strtol(p, (char **)&p, 0);
2209 if (heads < 1 || heads > 16)
2210 goto chs_fail;
2211 if (*p != ',')
2212 goto chs_fail;
2213 p++;
2214 secs = strtol(p, (char **)&p, 0);
2215 if (secs < 1 || secs > 63)
2216 goto chs_fail;
2217 if (*p == ',') {
2218 p++;
2219 if (!strcmp(p, "none"))
2220 translation = BIOS_ATA_TRANSLATION_NONE;
2221 else if (!strcmp(p, "lba"))
2222 translation = BIOS_ATA_TRANSLATION_LBA;
2223 else if (!strcmp(p, "auto"))
2224 translation = BIOS_ATA_TRANSLATION_AUTO;
2225 else
2226 goto chs_fail;
2227 } else if (*p != '\0') {
2228 chs_fail:
2229 fprintf(stderr, "qemu: invalid physical CHS format\n");
2230 exit(1);
2231 }
2232 if (hda_opts != NULL) {
2233 char num[16];
2234 snprintf(num, sizeof(num), "%d", cyls);
2235 qemu_opt_set(hda_opts, "cyls", num);
2236 snprintf(num, sizeof(num), "%d", heads);
2237 qemu_opt_set(hda_opts, "heads", num);
2238 snprintf(num, sizeof(num), "%d", secs);
2239 qemu_opt_set(hda_opts, "secs", num);
2240 if (translation == BIOS_ATA_TRANSLATION_LBA)
2241 qemu_opt_set(hda_opts, "trans", "lba");
2242 if (translation == BIOS_ATA_TRANSLATION_NONE)
2243 qemu_opt_set(hda_opts, "trans", "none");
2244 }
2245 }
2246 break;
2247 case QEMU_OPTION_numa:
2248 if (nb_numa_nodes >= MAX_NODES) {
2249 fprintf(stderr, "qemu: too many NUMA nodes\n");
2250 exit(1);
2251 }
2252 numa_add(optarg);
2253 break;
2254 case QEMU_OPTION_display:
2255 display_type = select_display(optarg);
2256 break;
2257 case QEMU_OPTION_nographic:
2258 display_type = DT_NOGRAPHIC;
2259 break;
2260 case QEMU_OPTION_curses:
2261 #ifdef CONFIG_CURSES
2262 display_type = DT_CURSES;
2263 #else
2264 fprintf(stderr, "Curses support is disabled\n");
2265 exit(1);
2266 #endif
2267 break;
2268 case QEMU_OPTION_portrait:
2269 graphic_rotate = 1;
2270 break;
2271 case QEMU_OPTION_kernel:
2272 kernel_filename = optarg;
2273 break;
2274 case QEMU_OPTION_append:
2275 kernel_cmdline = optarg;
2276 break;
2277 case QEMU_OPTION_cdrom:
2278 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2279 break;
2280 case QEMU_OPTION_boot:
2281 {
2282 static const char * const params[] = {
2283 "order", "once", "menu", NULL
2284 };
2285 char buf[sizeof(boot_devices)];
2286 char *standard_boot_devices;
2287 int legacy = 0;
2288
2289 if (!strchr(optarg, '=')) {
2290 legacy = 1;
2291 pstrcpy(buf, sizeof(buf), optarg);
2292 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2293 fprintf(stderr,
2294 "qemu: unknown boot parameter '%s' in '%s'\n",
2295 buf, optarg);
2296 exit(1);
2297 }
2298
2299 if (legacy ||
2300 get_param_value(buf, sizeof(buf), "order", optarg)) {
2301 validate_bootdevices(buf);
2302 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2303 }
2304 if (!legacy) {
2305 if (get_param_value(buf, sizeof(buf),
2306 "once", optarg)) {
2307 validate_bootdevices(buf);
2308 standard_boot_devices = qemu_strdup(boot_devices);
2309 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2310 qemu_register_reset(restore_boot_devices,
2311 standard_boot_devices);
2312 }
2313 if (get_param_value(buf, sizeof(buf),
2314 "menu", optarg)) {
2315 if (!strcmp(buf, "on")) {
2316 boot_menu = 1;
2317 } else if (!strcmp(buf, "off")) {
2318 boot_menu = 0;
2319 } else {
2320 fprintf(stderr,
2321 "qemu: invalid option value '%s'\n",
2322 buf);
2323 exit(1);
2324 }
2325 }
2326 }
2327 }
2328 break;
2329 case QEMU_OPTION_fda:
2330 case QEMU_OPTION_fdb:
2331 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2332 optarg, FD_OPTS);
2333 break;
2334 case QEMU_OPTION_no_fd_bootchk:
2335 fd_bootchk = 0;
2336 break;
2337 case QEMU_OPTION_netdev:
2338 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2339 exit(1);
2340 }
2341 break;
2342 case QEMU_OPTION_net:
2343 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2344 exit(1);
2345 }
2346 break;
2347 #ifdef CONFIG_SLIRP
2348 case QEMU_OPTION_tftp:
2349 legacy_tftp_prefix = optarg;
2350 break;
2351 case QEMU_OPTION_bootp:
2352 legacy_bootp_filename = optarg;
2353 break;
2354 case QEMU_OPTION_redir:
2355 if (net_slirp_redir(optarg) < 0)
2356 exit(1);
2357 break;
2358 #endif
2359 case QEMU_OPTION_bt:
2360 add_device_config(DEV_BT, optarg);
2361 break;
2362 case QEMU_OPTION_audio_help:
2363 if (!(audio_available())) {
2364 printf("Option %s not supported for this target\n", popt->name);
2365 exit(1);
2366 }
2367 AUD_help ();
2368 exit (0);
2369 break;
2370 case QEMU_OPTION_soundhw:
2371 if (!(audio_available())) {
2372 printf("Option %s not supported for this target\n", popt->name);
2373 exit(1);
2374 }
2375 select_soundhw (optarg);
2376 break;
2377 case QEMU_OPTION_h:
2378 help(0);
2379 break;
2380 case QEMU_OPTION_version:
2381 version();
2382 exit(0);
2383 break;
2384 case QEMU_OPTION_m: {
2385 int64_t value;
2386
2387 value = strtosz(optarg, NULL);
2388 if (value < 0) {
2389 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2390 exit(1);
2391 }
2392
2393 /* On 32-bit hosts, QEMU is limited by virtual address space */
2394 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2395 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2396 exit(1);
2397 }
2398 if (value != (uint64_t)(ram_addr_t)value) {
2399 fprintf(stderr, "qemu: ram size too large\n");
2400 exit(1);
2401 }
2402 ram_size = value;
2403 break;
2404 }
2405 case QEMU_OPTION_mempath:
2406 mem_path = optarg;
2407 break;
2408 #ifdef MAP_POPULATE
2409 case QEMU_OPTION_mem_prealloc:
2410 mem_prealloc = 1;
2411 break;
2412 #endif
2413 case QEMU_OPTION_d:
2414 set_cpu_log(optarg);
2415 break;
2416 case QEMU_OPTION_s:
2417 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2418 break;
2419 case QEMU_OPTION_gdb:
2420 gdbstub_dev = optarg;
2421 break;
2422 case QEMU_OPTION_L:
2423 data_dir = optarg;
2424 break;
2425 case QEMU_OPTION_bios:
2426 bios_name = optarg;
2427 break;
2428 case QEMU_OPTION_singlestep:
2429 singlestep = 1;
2430 break;
2431 case QEMU_OPTION_S:
2432 autostart = 0;
2433 break;
2434 case QEMU_OPTION_k:
2435 keyboard_layout = optarg;
2436 break;
2437 case QEMU_OPTION_localtime:
2438 rtc_utc = 0;
2439 break;
2440 case QEMU_OPTION_vga:
2441 select_vgahw (optarg);
2442 break;
2443 case QEMU_OPTION_g:
2444 {
2445 const char *p;
2446 int w, h, depth;
2447 p = optarg;
2448 w = strtol(p, (char **)&p, 10);
2449 if (w <= 0) {
2450 graphic_error:
2451 fprintf(stderr, "qemu: invalid resolution or depth\n");
2452 exit(1);
2453 }
2454 if (*p != 'x')
2455 goto graphic_error;
2456 p++;
2457 h = strtol(p, (char **)&p, 10);
2458 if (h <= 0)
2459 goto graphic_error;
2460 if (*p == 'x') {
2461 p++;
2462 depth = strtol(p, (char **)&p, 10);
2463 if (depth != 8 && depth != 15 && depth != 16 &&
2464 depth != 24 && depth != 32)
2465 goto graphic_error;
2466 } else if (*p == '\0') {
2467 depth = graphic_depth;
2468 } else {
2469 goto graphic_error;
2470 }
2471
2472 graphic_width = w;
2473 graphic_height = h;
2474 graphic_depth = depth;
2475 }
2476 break;
2477 case QEMU_OPTION_echr:
2478 {
2479 char *r;
2480 term_escape_char = strtol(optarg, &r, 0);
2481 if (r == optarg)
2482 printf("Bad argument to echr\n");
2483 break;
2484 }
2485 case QEMU_OPTION_monitor:
2486 monitor_parse(optarg, "readline");
2487 default_monitor = 0;
2488 break;
2489 case QEMU_OPTION_qmp:
2490 monitor_parse(optarg, "control");
2491 default_monitor = 0;
2492 break;
2493 case QEMU_OPTION_mon:
2494 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2495 if (!opts) {
2496 exit(1);
2497 }
2498 default_monitor = 0;
2499 break;
2500 case QEMU_OPTION_chardev:
2501 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2502 if (!opts) {
2503 exit(1);
2504 }
2505 break;
2506 case QEMU_OPTION_fsdev:
2507 olist = qemu_find_opts("fsdev");
2508 if (!olist) {
2509 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2510 exit(1);
2511 }
2512 opts = qemu_opts_parse(olist, optarg, 1);
2513 if (!opts) {
2514 fprintf(stderr, "parse error: %s\n", optarg);
2515 exit(1);
2516 }
2517 break;
2518 case QEMU_OPTION_virtfs: {
2519 char *arg_fsdev = NULL;
2520 char *arg_9p = NULL;
2521 int len = 0;
2522
2523 olist = qemu_find_opts("virtfs");
2524 if (!olist) {
2525 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2526 exit(1);
2527 }
2528 opts = qemu_opts_parse(olist, optarg, 1);
2529 if (!opts) {
2530 fprintf(stderr, "parse error: %s\n", optarg);
2531 exit(1);
2532 }
2533
2534 if (qemu_opt_get(opts, "fstype") == NULL ||
2535 qemu_opt_get(opts, "mount_tag") == NULL ||
2536 qemu_opt_get(opts, "path") == NULL ||
2537 qemu_opt_get(opts, "security_model") == NULL) {
2538 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2539 "security_model=[mapped|passthrough|none],"
2540 "mnt_tag=tag.\n");
2541 exit(1);
2542 }
2543
2544 len = strlen(",id=,path=,security_model=");
2545 len += strlen(qemu_opt_get(opts, "fstype"));
2546 len += strlen(qemu_opt_get(opts, "mount_tag"));
2547 len += strlen(qemu_opt_get(opts, "path"));
2548 len += strlen(qemu_opt_get(opts, "security_model"));
2549 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2550
2551 snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev),
2552 "%s,id=%s,path=%s,security_model=%s",
2553 qemu_opt_get(opts, "fstype"),
2554 qemu_opt_get(opts, "mount_tag"),
2555 qemu_opt_get(opts, "path"),
2556 qemu_opt_get(opts, "security_model"));
2557
2558 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2559 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2560 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2561
2562 snprintf(arg_9p, (len + 1) * sizeof(*arg_9p),
2563 "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2564 qemu_opt_get(opts, "mount_tag"),
2565 qemu_opt_get(opts, "mount_tag"));
2566
2567 if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
2568 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2569 exit(1);
2570 }
2571
2572 if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
2573 fprintf(stderr, "parse error [device]: %s\n", optarg);
2574 exit(1);
2575 }
2576
2577 qemu_free(arg_fsdev);
2578 qemu_free(arg_9p);
2579 break;
2580 }
2581 case QEMU_OPTION_serial:
2582 add_device_config(DEV_SERIAL, optarg);
2583 default_serial = 0;
2584 if (strncmp(optarg, "mon:", 4) == 0) {
2585 default_monitor = 0;
2586 }
2587 break;
2588 case QEMU_OPTION_watchdog:
2589 if (watchdog) {
2590 fprintf(stderr,
2591 "qemu: only one watchdog option may be given\n");
2592 return 1;
2593 }
2594 watchdog = optarg;
2595 break;
2596 case QEMU_OPTION_watchdog_action:
2597 if (select_watchdog_action(optarg) == -1) {
2598 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2599 exit(1);
2600 }
2601 break;
2602 case QEMU_OPTION_virtiocon:
2603 add_device_config(DEV_VIRTCON, optarg);
2604 default_virtcon = 0;
2605 if (strncmp(optarg, "mon:", 4) == 0) {
2606 default_monitor = 0;
2607 }
2608 break;
2609 case QEMU_OPTION_parallel:
2610 add_device_config(DEV_PARALLEL, optarg);
2611 default_parallel = 0;
2612 if (strncmp(optarg, "mon:", 4) == 0) {
2613 default_monitor = 0;
2614 }
2615 break;
2616 case QEMU_OPTION_debugcon:
2617 add_device_config(DEV_DEBUGCON, optarg);
2618 break;
2619 case QEMU_OPTION_loadvm:
2620 loadvm = optarg;
2621 break;
2622 case QEMU_OPTION_full_screen:
2623 full_screen = 1;
2624 break;
2625 #ifdef CONFIG_SDL
2626 case QEMU_OPTION_no_frame:
2627 no_frame = 1;
2628 break;
2629 case QEMU_OPTION_alt_grab:
2630 alt_grab = 1;
2631 break;
2632 case QEMU_OPTION_ctrl_grab:
2633 ctrl_grab = 1;
2634 break;
2635 case QEMU_OPTION_no_quit:
2636 no_quit = 1;
2637 break;
2638 case QEMU_OPTION_sdl:
2639 display_type = DT_SDL;
2640 break;
2641 #else
2642 case QEMU_OPTION_no_frame:
2643 case QEMU_OPTION_alt_grab:
2644 case QEMU_OPTION_ctrl_grab:
2645 case QEMU_OPTION_no_quit:
2646 case QEMU_OPTION_sdl:
2647 fprintf(stderr, "SDL support is disabled\n");
2648 exit(1);
2649 #endif
2650 case QEMU_OPTION_pidfile:
2651 pid_file = optarg;
2652 break;
2653 case QEMU_OPTION_win2k_hack:
2654 win2k_install_hack = 1;
2655 break;
2656 case QEMU_OPTION_rtc_td_hack:
2657 rtc_td_hack = 1;
2658 break;
2659 case QEMU_OPTION_acpitable:
2660 do_acpitable_option(optarg);
2661 break;
2662 case QEMU_OPTION_smbios:
2663 do_smbios_option(optarg);
2664 break;
2665 case QEMU_OPTION_enable_kvm:
2666 kvm_allowed = 1;
2667 break;
2668 case QEMU_OPTION_usb:
2669 usb_enabled = 1;
2670 break;
2671 case QEMU_OPTION_usbdevice:
2672 usb_enabled = 1;
2673 add_device_config(DEV_USB, optarg);
2674 break;
2675 case QEMU_OPTION_device:
2676 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2677 exit(1);
2678 }
2679 break;
2680 case QEMU_OPTION_smp:
2681 smp_parse(optarg);
2682 if (smp_cpus < 1) {
2683 fprintf(stderr, "Invalid number of CPUs\n");
2684 exit(1);
2685 }
2686 if (max_cpus < smp_cpus) {
2687 fprintf(stderr, "maxcpus must be equal to or greater than "
2688 "smp\n");
2689 exit(1);
2690 }
2691 if (max_cpus > 255) {
2692 fprintf(stderr, "Unsupported number of maxcpus\n");
2693 exit(1);
2694 }
2695 break;
2696 case QEMU_OPTION_vnc:
2697 #ifdef CONFIG_VNC
2698 display_remote++;
2699 vnc_display = optarg;
2700 #else
2701 fprintf(stderr, "VNC support is disabled\n");
2702 exit(1);
2703 #endif
2704 break;
2705 case QEMU_OPTION_no_acpi:
2706 acpi_enabled = 0;
2707 break;
2708 case QEMU_OPTION_no_hpet:
2709 no_hpet = 1;
2710 break;
2711 case QEMU_OPTION_balloon:
2712 if (balloon_parse(optarg) < 0) {
2713 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2714 exit(1);
2715 }
2716 break;
2717 case QEMU_OPTION_no_reboot:
2718 no_reboot = 1;
2719 break;
2720 case QEMU_OPTION_no_shutdown:
2721 no_shutdown = 1;
2722 break;
2723 case QEMU_OPTION_show_cursor:
2724 cursor_hide = 0;
2725 break;
2726 case QEMU_OPTION_uuid:
2727 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2728 fprintf(stderr, "Fail to parse UUID string."
2729 " Wrong format.\n");
2730 exit(1);
2731 }
2732 break;
2733 case QEMU_OPTION_option_rom:
2734 if (nb_option_roms >= MAX_OPTION_ROMS) {
2735 fprintf(stderr, "Too many option ROMs\n");
2736 exit(1);
2737 }
2738 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2739 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2740 option_rom[nb_option_roms].bootindex =
2741 qemu_opt_get_number(opts, "bootindex", -1);
2742 if (!option_rom[nb_option_roms].name) {
2743 fprintf(stderr, "Option ROM file is not specified\n");
2744 exit(1);
2745 }
2746 nb_option_roms++;
2747 break;
2748 case QEMU_OPTION_semihosting:
2749 semihosting_enabled = 1;
2750 break;
2751 case QEMU_OPTION_name:
2752 qemu_name = qemu_strdup(optarg);
2753 {
2754 char *p = strchr(qemu_name, ',');
2755 if (p != NULL) {
2756 *p++ = 0;
2757 if (strncmp(p, "process=", 8)) {
2758 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2759 exit(1);
2760 }
2761 p += 8;
2762 os_set_proc_name(p);
2763 }
2764 }
2765 break;
2766 case QEMU_OPTION_prom_env:
2767 if (nb_prom_envs >= MAX_PROM_ENVS) {
2768 fprintf(stderr, "Too many prom variables\n");
2769 exit(1);
2770 }
2771 prom_envs[nb_prom_envs] = optarg;
2772 nb_prom_envs++;
2773 break;
2774 case QEMU_OPTION_old_param:
2775 old_param = 1;
2776 break;
2777 case QEMU_OPTION_clock:
2778 configure_alarms(optarg);
2779 break;
2780 case QEMU_OPTION_startdate:
2781 configure_rtc_date_offset(optarg, 1);
2782 break;
2783 case QEMU_OPTION_rtc:
2784 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2785 if (!opts) {
2786 exit(1);
2787 }
2788 configure_rtc(opts);
2789 break;
2790 case QEMU_OPTION_tb_size:
2791 tb_size = strtol(optarg, NULL, 0);
2792 if (tb_size < 0)
2793 tb_size = 0;
2794 break;
2795 case QEMU_OPTION_icount:
2796 icount_option = optarg;
2797 break;
2798 case QEMU_OPTION_incoming:
2799 incoming = optarg;
2800 incoming_expected = true;
2801 break;
2802 case QEMU_OPTION_nodefaults:
2803 default_serial = 0;
2804 default_parallel = 0;
2805 default_virtcon = 0;
2806 default_monitor = 0;
2807 default_vga = 0;
2808 default_net = 0;
2809 default_floppy = 0;
2810 default_cdrom = 0;
2811 default_sdcard = 0;
2812 break;
2813 case QEMU_OPTION_xen_domid:
2814 if (!(xen_available())) {
2815 printf("Option %s not supported for this target\n", popt->name);
2816 exit(1);
2817 }
2818 xen_domid = atoi(optarg);
2819 break;
2820 case QEMU_OPTION_xen_create:
2821 if (!(xen_available())) {
2822 printf("Option %s not supported for this target\n", popt->name);
2823 exit(1);
2824 }
2825 xen_mode = XEN_CREATE;
2826 break;
2827 case QEMU_OPTION_xen_attach:
2828 if (!(xen_available())) {
2829 printf("Option %s not supported for this target\n", popt->name);
2830 exit(1);
2831 }
2832 xen_mode = XEN_ATTACH;
2833 break;
2834 #ifdef CONFIG_SIMPLE_TRACE
2835 case QEMU_OPTION_trace:
2836 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2837 if (opts) {
2838 trace_file = qemu_opt_get(opts, "file");
2839 }
2840 break;
2841 #endif
2842 case QEMU_OPTION_readconfig:
2843 {
2844 int ret = qemu_read_config_file(optarg);
2845 if (ret < 0) {
2846 fprintf(stderr, "read config %s: %s\n", optarg,
2847 strerror(-ret));
2848 exit(1);
2849 }
2850 break;
2851 }
2852 case QEMU_OPTION_spice:
2853 olist = qemu_find_opts("spice");
2854 if (!olist) {
2855 fprintf(stderr, "spice is not supported by this qemu build.\n");
2856 exit(1);
2857 }
2858 opts = qemu_opts_parse(olist, optarg, 0);
2859 if (!opts) {
2860 fprintf(stderr, "parse error: %s\n", optarg);
2861 exit(1);
2862 }
2863 break;
2864 case QEMU_OPTION_writeconfig:
2865 {
2866 FILE *fp;
2867 if (strcmp(optarg, "-") == 0) {
2868 fp = stdout;
2869 } else {
2870 fp = fopen(optarg, "w");
2871 if (fp == NULL) {
2872 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2873 exit(1);
2874 }
2875 }
2876 qemu_config_write(fp);
2877 fclose(fp);
2878 break;
2879 }
2880 default:
2881 os_parse_cmd_args(popt->index, optarg);
2882 }
2883 }
2884 }
2885 loc_set_none();
2886
2887 if (!st_init(trace_file)) {
2888 fprintf(stderr, "warning: unable to initialize simple trace backend\n");
2889 }
2890
2891 /* If no data_dir is specified then try to find it relative to the
2892 executable path. */
2893 if (!data_dir) {
2894 data_dir = os_find_datadir(argv[0]);
2895 }
2896 /* If all else fails use the install patch specified when building. */
2897 if (!data_dir) {
2898 data_dir = CONFIG_QEMU_DATADIR;
2899 }
2900
2901 /*
2902 * Default to max_cpus = smp_cpus, in case the user doesn't
2903 * specify a max_cpus value.
2904 */
2905 if (!max_cpus)
2906 max_cpus = smp_cpus;
2907
2908 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2909 if (smp_cpus > machine->max_cpus) {
2910 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2911 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2912 machine->max_cpus);
2913 exit(1);
2914 }
2915
2916 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2917 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2918
2919 if (machine->no_serial) {
2920 default_serial = 0;
2921 }
2922 if (machine->no_parallel) {
2923 default_parallel = 0;
2924 }
2925 if (!machine->use_virtcon) {
2926 default_virtcon = 0;
2927 }
2928 if (machine->no_vga) {
2929 default_vga = 0;
2930 }
2931 if (machine->no_floppy) {
2932 default_floppy = 0;
2933 }
2934 if (machine->no_cdrom) {
2935 default_cdrom = 0;
2936 }
2937 if (machine->no_sdcard) {
2938 default_sdcard = 0;
2939 }
2940
2941 if (display_type == DT_NOGRAPHIC) {
2942 if (default_parallel)
2943 add_device_config(DEV_PARALLEL, "null");
2944 if (default_serial && default_monitor) {
2945 add_device_config(DEV_SERIAL, "mon:stdio");
2946 } else if (default_virtcon && default_monitor) {
2947 add_device_config(DEV_VIRTCON, "mon:stdio");
2948 } else {
2949 if (default_serial)
2950 add_device_config(DEV_SERIAL, "stdio");
2951 if (default_virtcon)
2952 add_device_config(DEV_VIRTCON, "stdio");
2953 if (default_monitor)
2954 monitor_parse("stdio", "readline");
2955 }
2956 } else {
2957 if (default_serial)
2958 add_device_config(DEV_SERIAL, "vc:80Cx24C");
2959 if (default_parallel)
2960 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2961 if (default_monitor)
2962 monitor_parse("vc:80Cx24C", "readline");
2963 if (default_virtcon)
2964 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2965 }
2966 if (default_vga)
2967 vga_interface_type = VGA_CIRRUS;
2968
2969 socket_init();
2970
2971 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
2972 exit(1);
2973 #ifdef CONFIG_VIRTFS
2974 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
2975 exit(1);
2976 }
2977 #endif
2978
2979 os_daemonize();
2980
2981 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2982 os_pidfile_error();
2983 exit(1);
2984 }
2985
2986 if (kvm_allowed) {
2987 int ret = kvm_init();
2988 if (ret < 0) {
2989 if (!kvm_available()) {
2990 printf("KVM not supported for this target\n");
2991 } else {
2992 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2993 }
2994 exit(1);
2995 }
2996 }
2997
2998 if (qemu_init_main_loop()) {
2999 fprintf(stderr, "qemu_init_main_loop failed\n");
3000 exit(1);
3001 }
3002 linux_boot = (kernel_filename != NULL);
3003
3004 if (!linux_boot && *kernel_cmdline != '\0') {
3005 fprintf(stderr, "-append only allowed with -kernel option\n");
3006 exit(1);
3007 }
3008
3009 if (!linux_boot && initrd_filename != NULL) {
3010 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3011 exit(1);
3012 }
3013
3014 os_set_line_buffering();
3015
3016 if (init_timer_alarm() < 0) {
3017 fprintf(stderr, "could not initialize alarm timer\n");
3018 exit(1);
3019 }
3020 configure_icount(icount_option);
3021
3022 if (net_init_clients() < 0) {
3023 exit(1);
3024 }
3025
3026 /* init the bluetooth world */
3027 if (foreach_device_config(DEV_BT, bt_parse))
3028 exit(1);
3029
3030 /* init the memory */
3031 if (ram_size == 0)
3032 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3033
3034 /* init the dynamic translator */
3035 cpu_exec_init_all(tb_size * 1024 * 1024);
3036
3037 bdrv_init_with_whitelist();
3038
3039 blk_mig_init();
3040
3041 /* open the virtual block devices */
3042 if (snapshot)
3043 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3044 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3045 exit(1);
3046
3047 default_drive(default_cdrom, snapshot, machine->use_scsi,
3048 IF_DEFAULT, 2, CDROM_OPTS);
3049 default_drive(default_floppy, snapshot, machine->use_scsi,
3050 IF_FLOPPY, 0, FD_OPTS);
3051 default_drive(default_sdcard, snapshot, machine->use_scsi,
3052 IF_SD, 0, SD_OPTS);
3053
3054 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3055 ram_load, NULL);
3056
3057 if (nb_numa_nodes > 0) {
3058 int i;
3059
3060 if (nb_numa_nodes > smp_cpus) {
3061 nb_numa_nodes = smp_cpus;
3062 }
3063
3064 /* If no memory size if given for any node, assume the default case
3065 * and distribute the available memory equally across all nodes
3066 */
3067 for (i = 0; i < nb_numa_nodes; i++) {
3068 if (node_mem[i] != 0)
3069 break;
3070 }
3071 if (i == nb_numa_nodes) {
3072 uint64_t usedmem = 0;
3073
3074 /* On Linux, the each node's border has to be 8MB aligned,
3075 * the final node gets the rest.
3076 */
3077 for (i = 0; i < nb_numa_nodes - 1; i++) {
3078 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3079 usedmem += node_mem[i];
3080 }
3081 node_mem[i] = ram_size - usedmem;
3082 }
3083
3084 for (i = 0; i < nb_numa_nodes; i++) {
3085 if (node_cpumask[i] != 0)
3086 break;
3087 }
3088 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3089 * must cope with this anyway, because there are BIOSes out there in
3090 * real machines which also use this scheme.
3091 */
3092 if (i == nb_numa_nodes) {
3093 for (i = 0; i < smp_cpus; i++) {
3094 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3095 }
3096 }
3097 }
3098
3099 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3100 exit(1);
3101 }
3102
3103 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3104 exit(1);
3105 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3106 exit(1);
3107 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3108 exit(1);
3109 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3110 exit(1);
3111
3112 module_call_init(MODULE_INIT_DEVICE);
3113
3114 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3115 exit(0);
3116
3117 if (watchdog) {
3118 i = select_watchdog(watchdog);
3119 if (i > 0)
3120 exit (i == 1 ? 1 : 0);
3121 }
3122
3123 if (machine->compat_props) {
3124 qdev_prop_register_global_list(machine->compat_props);
3125 }
3126 qemu_add_globals();
3127
3128 machine->init(ram_size, boot_devices,
3129 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3130
3131 cpu_synchronize_all_post_init();
3132
3133 /* must be after terminal init, SDL library changes signal handlers */
3134 os_setup_signal_handling();
3135
3136 set_numa_modes();
3137
3138 current_machine = machine;
3139
3140 /* init USB devices */
3141 if (usb_enabled) {
3142 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3143 exit(1);
3144 }
3145
3146 /* init generic devices */
3147 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3148 exit(1);
3149
3150 net_check_clients();
3151
3152 /* just use the first displaystate for the moment */
3153 ds = get_displaystate();
3154
3155 if (using_spice)
3156 display_remote++;
3157 if (display_type == DT_DEFAULT && !display_remote) {
3158 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3159 display_type = DT_SDL;
3160 #elif defined(CONFIG_VNC)
3161 vnc_display = "localhost:0,to=99";
3162 show_vnc_port = 1;
3163 #else
3164 display_type = DT_NONE;
3165 #endif
3166 }
3167
3168
3169 /* init local displays */
3170 switch (display_type) {
3171 case DT_NOGRAPHIC:
3172 break;
3173 #if defined(CONFIG_CURSES)
3174 case DT_CURSES:
3175 curses_display_init(ds, full_screen);
3176 break;
3177 #endif
3178 #if defined(CONFIG_SDL)
3179 case DT_SDL:
3180 sdl_display_init(ds, full_screen, no_frame);
3181 break;
3182 #elif defined(CONFIG_COCOA)
3183 case DT_SDL:
3184 cocoa_display_init(ds, full_screen);
3185 break;
3186 #endif
3187 default:
3188 break;
3189 }
3190
3191 #ifdef CONFIG_VNC
3192 /* init remote displays */
3193 if (vnc_display) {
3194 vnc_display_init(ds);
3195 if (vnc_display_open(ds, vnc_display) < 0)
3196 exit(1);
3197
3198 if (show_vnc_port) {
3199 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3200 }
3201 }
3202 #endif
3203 #ifdef CONFIG_SPICE
3204 if (using_spice && !qxl_enabled) {
3205 qemu_spice_display_init(ds);
3206 }
3207 #endif
3208
3209 /* display setup */
3210 dpy_resize(ds);
3211 dcl = ds->listeners;
3212 while (dcl != NULL) {
3213 if (dcl->dpy_refresh != NULL) {
3214 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3215 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3216 break;
3217 }
3218 dcl = dcl->next;
3219 }
3220 if (ds->gui_timer == NULL) {
3221 nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
3222 qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
3223 }
3224 text_consoles_set_display(ds);
3225
3226 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3227 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3228 gdbstub_dev);
3229 exit(1);
3230 }
3231
3232 qdev_machine_creation_done();
3233
3234 if (rom_load_all() != 0) {
3235 fprintf(stderr, "rom loading failed\n");
3236 exit(1);
3237 }
3238
3239 /* TODO: once all bus devices are qdevified, this should be done
3240 * when bus is created by qdev.c */
3241 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3242 qemu_run_machine_init_done_notifiers();
3243
3244 qemu_system_reset();
3245 if (loadvm) {
3246 if (load_vmstate(loadvm) < 0) {
3247 autostart = 0;
3248 }
3249 }
3250
3251 if (incoming) {
3252 int ret = qemu_start_incoming_migration(incoming);
3253 if (ret < 0) {
3254 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3255 incoming, ret);
3256 exit(ret);
3257 }
3258 } else if (autostart) {
3259 vm_start();
3260 }
3261
3262 os_setup_post();
3263
3264 main_loop();
3265 quit_timers();
3266 net_cleanup();
3267
3268 return 0;
3269 }
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