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blockdev: Reject multiple definitions for the same drive
[qemu.git] / vl.c
blob99f5bfef2f1a10da58a2c0928158b4edf3777135
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 /* Any % in the following strings must be escaped as %% */
625 #define HD_OPTS "media=disk"
626 #define CDROM_OPTS "media=cdrom"
627 #define FD_OPTS ""
628 #define PFLASH_OPTS ""
629 #define MTD_OPTS ""
630 #define SD_OPTS ""
631
632 static int drive_init_func(QemuOpts *opts, void *opaque)
633 {
634 int *use_scsi = opaque;
635 int fatal_error = 0;
636
637 if (drive_init(opts, *use_scsi, &fatal_error) == NULL) {
638 if (fatal_error)
639 return 1;
640 }
641 return 0;
642 }
643
644 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
645 {
646 if (NULL == qemu_opt_get(opts, "snapshot")) {
647 qemu_opt_set(opts, "snapshot", "on");
648 }
649 return 0;
650 }
651
652 static void default_drive(int enable, int snapshot, int use_scsi,
653 BlockInterfaceType type, int index,
654 const char *optstr)
655 {
656 QemuOpts *opts;
657
658 if (type == IF_DEFAULT) {
659 type = use_scsi ? IF_SCSI : IF_IDE;
660 }
661
662 if (!enable || drive_get_by_index(type, index)) {
663 return;
664 }
665
666 opts = drive_add(type, index, NULL, optstr);
667 if (snapshot) {
668 drive_enable_snapshot(opts, NULL);
669 }
670 if (drive_init_func(opts, &use_scsi)) {
671 exit(1);
672 }
673 }
674
675 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
676 {
677 boot_set_handler = func;
678 boot_set_opaque = opaque;
679 }
680
681 int qemu_boot_set(const char *boot_devices)
682 {
683 if (!boot_set_handler) {
684 return -EINVAL;
685 }
686 return boot_set_handler(boot_set_opaque, boot_devices);
687 }
688
689 static void validate_bootdevices(char *devices)
690 {
691 /* We just do some generic consistency checks */
692 const char *p;
693 int bitmap = 0;
694
695 for (p = devices; *p != '\0'; p++) {
696 /* Allowed boot devices are:
697 * a-b: floppy disk drives
698 * c-f: IDE disk drives
699 * g-m: machine implementation dependant drives
700 * n-p: network devices
701 * It's up to each machine implementation to check if the given boot
702 * devices match the actual hardware implementation and firmware
703 * features.
704 */
705 if (*p < 'a' || *p > 'p') {
706 fprintf(stderr, "Invalid boot device '%c'\n", *p);
707 exit(1);
708 }
709 if (bitmap & (1 << (*p - 'a'))) {
710 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
711 exit(1);
712 }
713 bitmap |= 1 << (*p - 'a');
714 }
715 }
716
717 static void restore_boot_devices(void *opaque)
718 {
719 char *standard_boot_devices = opaque;
720 static int first = 1;
721
722 /* Restore boot order and remove ourselves after the first boot */
723 if (first) {
724 first = 0;
725 return;
726 }
727
728 qemu_boot_set(standard_boot_devices);
729
730 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
731 qemu_free(standard_boot_devices);
732 }
733
734 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
735 const char *suffix)
736 {
737 FWBootEntry *node, *i;
738
739 if (bootindex < 0) {
740 return;
741 }
742
743 assert(dev != NULL || suffix != NULL);
744
745 node = qemu_mallocz(sizeof(FWBootEntry));
746 node->bootindex = bootindex;
747 node->suffix = strdup(suffix);
748 node->dev = dev;
749
750 QTAILQ_FOREACH(i, &fw_boot_order, link) {
751 if (i->bootindex == bootindex) {
752 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
753 exit(1);
754 } else if (i->bootindex < bootindex) {
755 continue;
756 }
757 QTAILQ_INSERT_BEFORE(i, node, link);
758 return;
759 }
760 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
761 }
762
763 /*
764 * This function returns null terminated string that consist of new line
765 * separated device pathes.
766 *
767 * memory pointed by "size" is assigned total length of the array in bytes
768 *
769 */
770 char *get_boot_devices_list(uint32_t *size)
771 {
772 FWBootEntry *i;
773 uint32_t total = 0;
774 char *list = NULL;
775
776 QTAILQ_FOREACH(i, &fw_boot_order, link) {
777 char *devpath = NULL, *bootpath;
778 int len;
779
780 if (i->dev) {
781 devpath = qdev_get_fw_dev_path(i->dev);
782 assert(devpath);
783 }
784
785 if (i->suffix && devpath) {
786 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
787
788 bootpath = qemu_malloc(bootpathlen);
789 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
790 qemu_free(devpath);
791 } else if (devpath) {
792 bootpath = devpath;
793 } else {
794 bootpath = strdup(i->suffix);
795 assert(bootpath);
796 }
797
798 if (total) {
799 list[total-1] = '\n';
800 }
801 len = strlen(bootpath) + 1;
802 list = qemu_realloc(list, total + len);
803 memcpy(&list[total], bootpath, len);
804 total += len;
805 qemu_free(bootpath);
806 }
807
808 *size = total;
809
810 return list;
811 }
812
813 static void numa_add(const char *optarg)
814 {
815 char option[128];
816 char *endptr;
817 unsigned long long value, endvalue;
818 int nodenr;
819
820 optarg = get_opt_name(option, 128, optarg, ',') + 1;
821 if (!strcmp(option, "node")) {
822 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
823 nodenr = nb_numa_nodes;
824 } else {
825 nodenr = strtoull(option, NULL, 10);
826 }
827
828 if (get_param_value(option, 128, "mem", optarg) == 0) {
829 node_mem[nodenr] = 0;
830 } else {
831 int64_t sval;
832 sval = strtosz(option, NULL);
833 if (sval < 0) {
834 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
835 exit(1);
836 }
837 node_mem[nodenr] = sval;
838 }
839 if (get_param_value(option, 128, "cpus", optarg) == 0) {
840 node_cpumask[nodenr] = 0;
841 } else {
842 value = strtoull(option, &endptr, 10);
843 if (value >= 64) {
844 value = 63;
845 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
846 } else {
847 if (*endptr == '-') {
848 endvalue = strtoull(endptr+1, &endptr, 10);
849 if (endvalue >= 63) {
850 endvalue = 62;
851 fprintf(stderr,
852 "only 63 CPUs in NUMA mode supported.\n");
853 }
854 value = (2ULL << endvalue) - (1ULL << value);
855 } else {
856 value = 1ULL << value;
857 }
858 }
859 node_cpumask[nodenr] = value;
860 }
861 nb_numa_nodes++;
862 }
863 return;
864 }
865
866 static void smp_parse(const char *optarg)
867 {
868 int smp, sockets = 0, threads = 0, cores = 0;
869 char *endptr;
870 char option[128];
871
872 smp = strtoul(optarg, &endptr, 10);
873 if (endptr != optarg) {
874 if (*endptr == ',') {
875 endptr++;
876 }
877 }
878 if (get_param_value(option, 128, "sockets", endptr) != 0)
879 sockets = strtoull(option, NULL, 10);
880 if (get_param_value(option, 128, "cores", endptr) != 0)
881 cores = strtoull(option, NULL, 10);
882 if (get_param_value(option, 128, "threads", endptr) != 0)
883 threads = strtoull(option, NULL, 10);
884 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
885 max_cpus = strtoull(option, NULL, 10);
886
887 /* compute missing values, prefer sockets over cores over threads */
888 if (smp == 0 || sockets == 0) {
889 sockets = sockets > 0 ? sockets : 1;
890 cores = cores > 0 ? cores : 1;
891 threads = threads > 0 ? threads : 1;
892 if (smp == 0) {
893 smp = cores * threads * sockets;
894 }
895 } else {
896 if (cores == 0) {
897 threads = threads > 0 ? threads : 1;
898 cores = smp / (sockets * threads);
899 } else {
900 threads = smp / (cores * sockets);
901 }
902 }
903 smp_cpus = smp;
904 smp_cores = cores > 0 ? cores : 1;
905 smp_threads = threads > 0 ? threads : 1;
906 if (max_cpus == 0)
907 max_cpus = smp_cpus;
908 }
909
910 /***********************************************************/
911 /* USB devices */
912
913 static int usb_device_add(const char *devname)
914 {
915 const char *p;
916 USBDevice *dev = NULL;
917
918 if (!usb_enabled)
919 return -1;
920
921 /* drivers with .usbdevice_name entry in USBDeviceInfo */
922 dev = usbdevice_create(devname);
923 if (dev)
924 goto done;
925
926 /* the other ones */
927 if (strstart(devname, "host:", &p)) {
928 dev = usb_host_device_open(p);
929 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
930 dev = usb_bt_init(devname[2] ? hci_init(p) :
931 bt_new_hci(qemu_find_bt_vlan(0)));
932 } else {
933 return -1;
934 }
935 if (!dev)
936 return -1;
937
938 done:
939 return 0;
940 }
941
942 static int usb_device_del(const char *devname)
943 {
944 int bus_num, addr;
945 const char *p;
946
947 if (strstart(devname, "host:", &p))
948 return usb_host_device_close(p);
949
950 if (!usb_enabled)
951 return -1;
952
953 p = strchr(devname, '.');
954 if (!p)
955 return -1;
956 bus_num = strtoul(devname, NULL, 0);
957 addr = strtoul(p + 1, NULL, 0);
958
959 return usb_device_delete_addr(bus_num, addr);
960 }
961
962 static int usb_parse(const char *cmdline)
963 {
964 int r;
965 r = usb_device_add(cmdline);
966 if (r < 0) {
967 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
968 }
969 return r;
970 }
971
972 void do_usb_add(Monitor *mon, const QDict *qdict)
973 {
974 const char *devname = qdict_get_str(qdict, "devname");
975 if (usb_device_add(devname) < 0) {
976 error_report("could not add USB device '%s'", devname);
977 }
978 }
979
980 void do_usb_del(Monitor *mon, const QDict *qdict)
981 {
982 const char *devname = qdict_get_str(qdict, "devname");
983 if (usb_device_del(devname) < 0) {
984 error_report("could not delete USB device '%s'", devname);
985 }
986 }
987
988 /***********************************************************/
989 /* PCMCIA/Cardbus */
990
991 static struct pcmcia_socket_entry_s {
992 PCMCIASocket *socket;
993 struct pcmcia_socket_entry_s *next;
994 } *pcmcia_sockets = 0;
995
996 void pcmcia_socket_register(PCMCIASocket *socket)
997 {
998 struct pcmcia_socket_entry_s *entry;
999
1000 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1001 entry->socket = socket;
1002 entry->next = pcmcia_sockets;
1003 pcmcia_sockets = entry;
1004 }
1005
1006 void pcmcia_socket_unregister(PCMCIASocket *socket)
1007 {
1008 struct pcmcia_socket_entry_s *entry, **ptr;
1009
1010 ptr = &pcmcia_sockets;
1011 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1012 if (entry->socket == socket) {
1013 *ptr = entry->next;
1014 qemu_free(entry);
1015 }
1016 }
1017
1018 void pcmcia_info(Monitor *mon)
1019 {
1020 struct pcmcia_socket_entry_s *iter;
1021
1022 if (!pcmcia_sockets)
1023 monitor_printf(mon, "No PCMCIA sockets\n");
1024
1025 for (iter = pcmcia_sockets; iter; iter = iter->next)
1026 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1027 iter->socket->attached ? iter->socket->card_string :
1028 "Empty");
1029 }
1030
1031 /***********************************************************/
1032 /* I/O handling */
1033
1034 typedef struct IOHandlerRecord {
1035 int fd;
1036 IOCanReadHandler *fd_read_poll;
1037 IOHandler *fd_read;
1038 IOHandler *fd_write;
1039 int deleted;
1040 void *opaque;
1041 /* temporary data */
1042 struct pollfd *ufd;
1043 QLIST_ENTRY(IOHandlerRecord) next;
1044 } IOHandlerRecord;
1045
1046 static QLIST_HEAD(, IOHandlerRecord) io_handlers =
1047 QLIST_HEAD_INITIALIZER(io_handlers);
1048
1049
1050 /* XXX: fd_read_poll should be suppressed, but an API change is
1051 necessary in the character devices to suppress fd_can_read(). */
1052 int qemu_set_fd_handler2(int fd,
1053 IOCanReadHandler *fd_read_poll,
1054 IOHandler *fd_read,
1055 IOHandler *fd_write,
1056 void *opaque)
1057 {
1058 IOHandlerRecord *ioh;
1059
1060 if (!fd_read && !fd_write) {
1061 QLIST_FOREACH(ioh, &io_handlers, next) {
1062 if (ioh->fd == fd) {
1063 ioh->deleted = 1;
1064 break;
1065 }
1066 }
1067 } else {
1068 QLIST_FOREACH(ioh, &io_handlers, next) {
1069 if (ioh->fd == fd)
1070 goto found;
1071 }
1072 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1073 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
1074 found:
1075 ioh->fd = fd;
1076 ioh->fd_read_poll = fd_read_poll;
1077 ioh->fd_read = fd_read;
1078 ioh->fd_write = fd_write;
1079 ioh->opaque = opaque;
1080 ioh->deleted = 0;
1081 }
1082 return 0;
1083 }
1084
1085 int qemu_set_fd_handler(int fd,
1086 IOHandler *fd_read,
1087 IOHandler *fd_write,
1088 void *opaque)
1089 {
1090 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
1091 }
1092
1093 /***********************************************************/
1094 /* machine registration */
1095
1096 static QEMUMachine *first_machine = NULL;
1097 QEMUMachine *current_machine = NULL;
1098
1099 int qemu_register_machine(QEMUMachine *m)
1100 {
1101 QEMUMachine **pm;
1102 pm = &first_machine;
1103 while (*pm != NULL)
1104 pm = &(*pm)->next;
1105 m->next = NULL;
1106 *pm = m;
1107 return 0;
1108 }
1109
1110 static QEMUMachine *find_machine(const char *name)
1111 {
1112 QEMUMachine *m;
1113
1114 for(m = first_machine; m != NULL; m = m->next) {
1115 if (!strcmp(m->name, name))
1116 return m;
1117 if (m->alias && !strcmp(m->alias, name))
1118 return m;
1119 }
1120 return NULL;
1121 }
1122
1123 static QEMUMachine *find_default_machine(void)
1124 {
1125 QEMUMachine *m;
1126
1127 for(m = first_machine; m != NULL; m = m->next) {
1128 if (m->is_default) {
1129 return m;
1130 }
1131 }
1132 return NULL;
1133 }
1134
1135 /***********************************************************/
1136 /* main execution loop */
1137
1138 static void gui_update(void *opaque)
1139 {
1140 uint64_t interval = GUI_REFRESH_INTERVAL;
1141 DisplayState *ds = opaque;
1142 DisplayChangeListener *dcl = ds->listeners;
1143
1144 qemu_flush_coalesced_mmio_buffer();
1145 dpy_refresh(ds);
1146
1147 while (dcl != NULL) {
1148 if (dcl->gui_timer_interval &&
1149 dcl->gui_timer_interval < interval)
1150 interval = dcl->gui_timer_interval;
1151 dcl = dcl->next;
1152 }
1153 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1154 }
1155
1156 static void nographic_update(void *opaque)
1157 {
1158 uint64_t interval = GUI_REFRESH_INTERVAL;
1159
1160 qemu_flush_coalesced_mmio_buffer();
1161 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1162 }
1163
1164 struct vm_change_state_entry {
1165 VMChangeStateHandler *cb;
1166 void *opaque;
1167 QLIST_ENTRY (vm_change_state_entry) entries;
1168 };
1169
1170 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1171
1172 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1173 void *opaque)
1174 {
1175 VMChangeStateEntry *e;
1176
1177 e = qemu_mallocz(sizeof (*e));
1178
1179 e->cb = cb;
1180 e->opaque = opaque;
1181 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1182 return e;
1183 }
1184
1185 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1186 {
1187 QLIST_REMOVE (e, entries);
1188 qemu_free (e);
1189 }
1190
1191 void vm_state_notify(int running, int reason)
1192 {
1193 VMChangeStateEntry *e;
1194
1195 trace_vm_state_notify(running, reason);
1196
1197 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1198 e->cb(e->opaque, running, reason);
1199 }
1200 }
1201
1202 void vm_start(void)
1203 {
1204 if (!vm_running) {
1205 cpu_enable_ticks();
1206 vm_running = 1;
1207 vm_state_notify(1, 0);
1208 resume_all_vcpus();
1209 monitor_protocol_event(QEVENT_RESUME, NULL);
1210 }
1211 }
1212
1213 /* reset/shutdown handler */
1214
1215 typedef struct QEMUResetEntry {
1216 QTAILQ_ENTRY(QEMUResetEntry) entry;
1217 QEMUResetHandler *func;
1218 void *opaque;
1219 } QEMUResetEntry;
1220
1221 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1222 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1223 static int reset_requested;
1224 static int shutdown_requested;
1225 static int powerdown_requested;
1226 int debug_requested;
1227 int vmstop_requested;
1228
1229 int qemu_shutdown_requested(void)
1230 {
1231 int r = shutdown_requested;
1232 shutdown_requested = 0;
1233 return r;
1234 }
1235
1236 int qemu_reset_requested(void)
1237 {
1238 int r = reset_requested;
1239 reset_requested = 0;
1240 return r;
1241 }
1242
1243 int qemu_powerdown_requested(void)
1244 {
1245 int r = powerdown_requested;
1246 powerdown_requested = 0;
1247 return r;
1248 }
1249
1250 static int qemu_debug_requested(void)
1251 {
1252 int r = debug_requested;
1253 debug_requested = 0;
1254 return r;
1255 }
1256
1257 static int qemu_vmstop_requested(void)
1258 {
1259 int r = vmstop_requested;
1260 vmstop_requested = 0;
1261 return r;
1262 }
1263
1264 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1265 {
1266 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1267
1268 re->func = func;
1269 re->opaque = opaque;
1270 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1271 }
1272
1273 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1274 {
1275 QEMUResetEntry *re;
1276
1277 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1278 if (re->func == func && re->opaque == opaque) {
1279 QTAILQ_REMOVE(&reset_handlers, re, entry);
1280 qemu_free(re);
1281 return;
1282 }
1283 }
1284 }
1285
1286 void qemu_system_reset(void)
1287 {
1288 QEMUResetEntry *re, *nre;
1289
1290 /* reset all devices */
1291 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1292 re->func(re->opaque);
1293 }
1294 monitor_protocol_event(QEVENT_RESET, NULL);
1295 cpu_synchronize_all_post_reset();
1296 }
1297
1298 void qemu_system_reset_request(void)
1299 {
1300 if (no_reboot) {
1301 shutdown_requested = 1;
1302 } else {
1303 reset_requested = 1;
1304 }
1305 qemu_notify_event();
1306 }
1307
1308 void qemu_system_shutdown_request(void)
1309 {
1310 shutdown_requested = 1;
1311 qemu_notify_event();
1312 }
1313
1314 void qemu_system_powerdown_request(void)
1315 {
1316 powerdown_requested = 1;
1317 qemu_notify_event();
1318 }
1319
1320 void main_loop_wait(int nonblocking)
1321 {
1322 IOHandlerRecord *ioh;
1323 fd_set rfds, wfds, xfds;
1324 int ret, nfds;
1325 struct timeval tv;
1326 int timeout;
1327
1328 if (nonblocking)
1329 timeout = 0;
1330 else {
1331 timeout = qemu_calculate_timeout();
1332 qemu_bh_update_timeout(&timeout);
1333 }
1334
1335 os_host_main_loop_wait(&timeout);
1336
1337 /* poll any events */
1338 /* XXX: separate device handlers from system ones */
1339 nfds = -1;
1340 FD_ZERO(&rfds);
1341 FD_ZERO(&wfds);
1342 FD_ZERO(&xfds);
1343 QLIST_FOREACH(ioh, &io_handlers, next) {
1344 if (ioh->deleted)
1345 continue;
1346 if (ioh->fd_read &&
1347 (!ioh->fd_read_poll ||
1348 ioh->fd_read_poll(ioh->opaque) != 0)) {
1349 FD_SET(ioh->fd, &rfds);
1350 if (ioh->fd > nfds)
1351 nfds = ioh->fd;
1352 }
1353 if (ioh->fd_write) {
1354 FD_SET(ioh->fd, &wfds);
1355 if (ioh->fd > nfds)
1356 nfds = ioh->fd;
1357 }
1358 }
1359
1360 tv.tv_sec = timeout / 1000;
1361 tv.tv_usec = (timeout % 1000) * 1000;
1362
1363 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1364
1365 qemu_mutex_unlock_iothread();
1366 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1367 qemu_mutex_lock_iothread();
1368 if (ret > 0) {
1369 IOHandlerRecord *pioh;
1370
1371 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1372 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1373 ioh->fd_read(ioh->opaque);
1374 }
1375 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1376 ioh->fd_write(ioh->opaque);
1377 }
1378
1379 /* Do this last in case read/write handlers marked it for deletion */
1380 if (ioh->deleted) {
1381 QLIST_REMOVE(ioh, next);
1382 qemu_free(ioh);
1383 }
1384 }
1385 }
1386
1387 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1388
1389 qemu_run_all_timers();
1390
1391 /* Check bottom-halves last in case any of the earlier events triggered
1392 them. */
1393 qemu_bh_poll();
1394
1395 }
1396
1397 static int vm_can_run(void)
1398 {
1399 if (powerdown_requested)
1400 return 0;
1401 if (reset_requested)
1402 return 0;
1403 if (shutdown_requested)
1404 return 0;
1405 if (debug_requested)
1406 return 0;
1407 return 1;
1408 }
1409
1410 qemu_irq qemu_system_powerdown;
1411
1412 static void main_loop(void)
1413 {
1414 int r;
1415
1416 qemu_main_loop_start();
1417
1418 for (;;) {
1419 do {
1420 bool nonblocking = false;
1421 #ifdef CONFIG_PROFILER
1422 int64_t ti;
1423 #endif
1424 #ifndef CONFIG_IOTHREAD
1425 nonblocking = cpu_exec_all();
1426 #endif
1427 #ifdef CONFIG_PROFILER
1428 ti = profile_getclock();
1429 #endif
1430 main_loop_wait(nonblocking);
1431 #ifdef CONFIG_PROFILER
1432 dev_time += profile_getclock() - ti;
1433 #endif
1434 } while (vm_can_run());
1435
1436 if ((r = qemu_debug_requested())) {
1437 vm_stop(r);
1438 }
1439 if (qemu_shutdown_requested()) {
1440 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1441 if (no_shutdown) {
1442 vm_stop(0);
1443 no_shutdown = 0;
1444 } else
1445 break;
1446 }
1447 if (qemu_reset_requested()) {
1448 pause_all_vcpus();
1449 qemu_system_reset();
1450 resume_all_vcpus();
1451 }
1452 if (qemu_powerdown_requested()) {
1453 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1454 qemu_irq_raise(qemu_system_powerdown);
1455 }
1456 if ((r = qemu_vmstop_requested())) {
1457 vm_stop(r);
1458 }
1459 }
1460 bdrv_close_all();
1461 pause_all_vcpus();
1462 }
1463
1464 static void version(void)
1465 {
1466 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1467 }
1468
1469 static void help(int exitcode)
1470 {
1471 const char *options_help =
1472 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1473 opt_help
1474 #define DEFHEADING(text) stringify(text) "\n"
1475 #include "qemu-options.def"
1476 #undef DEF
1477 #undef DEFHEADING
1478 #undef GEN_DOCS
1479 ;
1480 version();
1481 printf("usage: %s [options] [disk_image]\n"
1482 "\n"
1483 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1484 "\n"
1485 "%s\n"
1486 "During emulation, the following keys are useful:\n"
1487 "ctrl-alt-f toggle full screen\n"
1488 "ctrl-alt-n switch to virtual console 'n'\n"
1489 "ctrl-alt toggle mouse and keyboard grab\n"
1490 "\n"
1491 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1492 "qemu",
1493 options_help);
1494 exit(exitcode);
1495 }
1496
1497 #define HAS_ARG 0x0001
1498
1499 typedef struct QEMUOption {
1500 const char *name;
1501 int flags;
1502 int index;
1503 uint32_t arch_mask;
1504 } QEMUOption;
1505
1506 static const QEMUOption qemu_options[] = {
1507 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1508 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1509 { option, opt_arg, opt_enum, arch_mask },
1510 #define DEFHEADING(text)
1511 #include "qemu-options.def"
1512 #undef DEF
1513 #undef DEFHEADING
1514 #undef GEN_DOCS
1515 { NULL },
1516 };
1517 static void select_vgahw (const char *p)
1518 {
1519 const char *opts;
1520
1521 default_vga = 0;
1522 vga_interface_type = VGA_NONE;
1523 if (strstart(p, "std", &opts)) {
1524 vga_interface_type = VGA_STD;
1525 } else if (strstart(p, "cirrus", &opts)) {
1526 vga_interface_type = VGA_CIRRUS;
1527 } else if (strstart(p, "vmware", &opts)) {
1528 vga_interface_type = VGA_VMWARE;
1529 } else if (strstart(p, "xenfb", &opts)) {
1530 vga_interface_type = VGA_XENFB;
1531 } else if (strstart(p, "qxl", &opts)) {
1532 vga_interface_type = VGA_QXL;
1533 } else if (!strstart(p, "none", &opts)) {
1534 invalid_vga:
1535 fprintf(stderr, "Unknown vga type: %s\n", p);
1536 exit(1);
1537 }
1538 while (*opts) {
1539 const char *nextopt;
1540
1541 if (strstart(opts, ",retrace=", &nextopt)) {
1542 opts = nextopt;
1543 if (strstart(opts, "dumb", &nextopt))
1544 vga_retrace_method = VGA_RETRACE_DUMB;
1545 else if (strstart(opts, "precise", &nextopt))
1546 vga_retrace_method = VGA_RETRACE_PRECISE;
1547 else goto invalid_vga;
1548 } else goto invalid_vga;
1549 opts = nextopt;
1550 }
1551 }
1552
1553 static int balloon_parse(const char *arg)
1554 {
1555 QemuOpts *opts;
1556
1557 if (strcmp(arg, "none") == 0) {
1558 return 0;
1559 }
1560
1561 if (!strncmp(arg, "virtio", 6)) {
1562 if (arg[6] == ',') {
1563 /* have params -> parse them */
1564 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1565 if (!opts)
1566 return -1;
1567 } else {
1568 /* create empty opts */
1569 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1570 }
1571 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1572 return 0;
1573 }
1574
1575 return -1;
1576 }
1577
1578 char *qemu_find_file(int type, const char *name)
1579 {
1580 int len;
1581 const char *subdir;
1582 char *buf;
1583
1584 /* If name contains path separators then try it as a straight path. */
1585 if ((strchr(name, '/') || strchr(name, '\\'))
1586 && access(name, R_OK) == 0) {
1587 return qemu_strdup(name);
1588 }
1589 switch (type) {
1590 case QEMU_FILE_TYPE_BIOS:
1591 subdir = "";
1592 break;
1593 case QEMU_FILE_TYPE_KEYMAP:
1594 subdir = "keymaps/";
1595 break;
1596 default:
1597 abort();
1598 }
1599 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1600 buf = qemu_mallocz(len);
1601 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1602 if (access(buf, R_OK)) {
1603 qemu_free(buf);
1604 return NULL;
1605 }
1606 return buf;
1607 }
1608
1609 static int device_help_func(QemuOpts *opts, void *opaque)
1610 {
1611 return qdev_device_help(opts);
1612 }
1613
1614 static int device_init_func(QemuOpts *opts, void *opaque)
1615 {
1616 DeviceState *dev;
1617
1618 dev = qdev_device_add(opts);
1619 if (!dev)
1620 return -1;
1621 return 0;
1622 }
1623
1624 static int chardev_init_func(QemuOpts *opts, void *opaque)
1625 {
1626 CharDriverState *chr;
1627
1628 chr = qemu_chr_open_opts(opts, NULL);
1629 if (!chr)
1630 return -1;
1631 return 0;
1632 }
1633
1634 #ifdef CONFIG_VIRTFS
1635 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1636 {
1637 int ret;
1638 ret = qemu_fsdev_add(opts);
1639
1640 return ret;
1641 }
1642 #endif
1643
1644 static int mon_init_func(QemuOpts *opts, void *opaque)
1645 {
1646 CharDriverState *chr;
1647 const char *chardev;
1648 const char *mode;
1649 int flags;
1650
1651 mode = qemu_opt_get(opts, "mode");
1652 if (mode == NULL) {
1653 mode = "readline";
1654 }
1655 if (strcmp(mode, "readline") == 0) {
1656 flags = MONITOR_USE_READLINE;
1657 } else if (strcmp(mode, "control") == 0) {
1658 flags = MONITOR_USE_CONTROL;
1659 } else {
1660 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1661 exit(1);
1662 }
1663
1664 if (qemu_opt_get_bool(opts, "pretty", 0))
1665 flags |= MONITOR_USE_PRETTY;
1666
1667 if (qemu_opt_get_bool(opts, "default", 0))
1668 flags |= MONITOR_IS_DEFAULT;
1669
1670 chardev = qemu_opt_get(opts, "chardev");
1671 chr = qemu_chr_find(chardev);
1672 if (chr == NULL) {
1673 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1674 exit(1);
1675 }
1676
1677 monitor_init(chr, flags);
1678 return 0;
1679 }
1680
1681 static void monitor_parse(const char *optarg, const char *mode)
1682 {
1683 static int monitor_device_index = 0;
1684 QemuOpts *opts;
1685 const char *p;
1686 char label[32];
1687 int def = 0;
1688
1689 if (strstart(optarg, "chardev:", &p)) {
1690 snprintf(label, sizeof(label), "%s", p);
1691 } else {
1692 snprintf(label, sizeof(label), "compat_monitor%d",
1693 monitor_device_index);
1694 if (monitor_device_index == 0) {
1695 def = 1;
1696 }
1697 opts = qemu_chr_parse_compat(label, optarg);
1698 if (!opts) {
1699 fprintf(stderr, "parse error: %s\n", optarg);
1700 exit(1);
1701 }
1702 }
1703
1704 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1705 if (!opts) {
1706 fprintf(stderr, "duplicate chardev: %s\n", label);
1707 exit(1);
1708 }
1709 qemu_opt_set(opts, "mode", mode);
1710 qemu_opt_set(opts, "chardev", label);
1711 if (def)
1712 qemu_opt_set(opts, "default", "on");
1713 monitor_device_index++;
1714 }
1715
1716 struct device_config {
1717 enum {
1718 DEV_USB, /* -usbdevice */
1719 DEV_BT, /* -bt */
1720 DEV_SERIAL, /* -serial */
1721 DEV_PARALLEL, /* -parallel */
1722 DEV_VIRTCON, /* -virtioconsole */
1723 DEV_DEBUGCON, /* -debugcon */
1724 } type;
1725 const char *cmdline;
1726 QTAILQ_ENTRY(device_config) next;
1727 };
1728 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1729
1730 static void add_device_config(int type, const char *cmdline)
1731 {
1732 struct device_config *conf;
1733
1734 conf = qemu_mallocz(sizeof(*conf));
1735 conf->type = type;
1736 conf->cmdline = cmdline;
1737 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1738 }
1739
1740 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1741 {
1742 struct device_config *conf;
1743 int rc;
1744
1745 QTAILQ_FOREACH(conf, &device_configs, next) {
1746 if (conf->type != type)
1747 continue;
1748 rc = func(conf->cmdline);
1749 if (0 != rc)
1750 return rc;
1751 }
1752 return 0;
1753 }
1754
1755 static int serial_parse(const char *devname)
1756 {
1757 static int index = 0;
1758 char label[32];
1759
1760 if (strcmp(devname, "none") == 0)
1761 return 0;
1762 if (index == MAX_SERIAL_PORTS) {
1763 fprintf(stderr, "qemu: too many serial ports\n");
1764 exit(1);
1765 }
1766 snprintf(label, sizeof(label), "serial%d", index);
1767 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1768 if (!serial_hds[index]) {
1769 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1770 devname, strerror(errno));
1771 return -1;
1772 }
1773 index++;
1774 return 0;
1775 }
1776
1777 static int parallel_parse(const char *devname)
1778 {
1779 static int index = 0;
1780 char label[32];
1781
1782 if (strcmp(devname, "none") == 0)
1783 return 0;
1784 if (index == MAX_PARALLEL_PORTS) {
1785 fprintf(stderr, "qemu: too many parallel ports\n");
1786 exit(1);
1787 }
1788 snprintf(label, sizeof(label), "parallel%d", index);
1789 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1790 if (!parallel_hds[index]) {
1791 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1792 devname, strerror(errno));
1793 return -1;
1794 }
1795 index++;
1796 return 0;
1797 }
1798
1799 static int virtcon_parse(const char *devname)
1800 {
1801 QemuOptsList *device = qemu_find_opts("device");
1802 static int index = 0;
1803 char label[32];
1804 QemuOpts *bus_opts, *dev_opts;
1805
1806 if (strcmp(devname, "none") == 0)
1807 return 0;
1808 if (index == MAX_VIRTIO_CONSOLES) {
1809 fprintf(stderr, "qemu: too many virtio consoles\n");
1810 exit(1);
1811 }
1812
1813 bus_opts = qemu_opts_create(device, NULL, 0);
1814 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1815
1816 dev_opts = qemu_opts_create(device, NULL, 0);
1817 qemu_opt_set(dev_opts, "driver", "virtconsole");
1818
1819 snprintf(label, sizeof(label), "virtcon%d", index);
1820 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1821 if (!virtcon_hds[index]) {
1822 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1823 devname, strerror(errno));
1824 return -1;
1825 }
1826 qemu_opt_set(dev_opts, "chardev", label);
1827
1828 index++;
1829 return 0;
1830 }
1831
1832 static int debugcon_parse(const char *devname)
1833 {
1834 QemuOpts *opts;
1835
1836 if (!qemu_chr_open("debugcon", devname, NULL)) {
1837 exit(1);
1838 }
1839 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1840 if (!opts) {
1841 fprintf(stderr, "qemu: already have a debugcon device\n");
1842 exit(1);
1843 }
1844 qemu_opt_set(opts, "driver", "isa-debugcon");
1845 qemu_opt_set(opts, "chardev", "debugcon");
1846 return 0;
1847 }
1848
1849 void qemu_add_exit_notifier(Notifier *notify)
1850 {
1851 notifier_list_add(&exit_notifiers, notify);
1852 }
1853
1854 void qemu_remove_exit_notifier(Notifier *notify)
1855 {
1856 notifier_list_remove(&exit_notifiers, notify);
1857 }
1858
1859 static void qemu_run_exit_notifiers(void)
1860 {
1861 notifier_list_notify(&exit_notifiers);
1862 }
1863
1864 void qemu_add_machine_init_done_notifier(Notifier *notify)
1865 {
1866 notifier_list_add(&machine_init_done_notifiers, notify);
1867 }
1868
1869 static void qemu_run_machine_init_done_notifiers(void)
1870 {
1871 notifier_list_notify(&machine_init_done_notifiers);
1872 }
1873
1874 static const QEMUOption *lookup_opt(int argc, char **argv,
1875 const char **poptarg, int *poptind)
1876 {
1877 const QEMUOption *popt;
1878 int optind = *poptind;
1879 char *r = argv[optind];
1880 const char *optarg;
1881
1882 loc_set_cmdline(argv, optind, 1);
1883 optind++;
1884 /* Treat --foo the same as -foo. */
1885 if (r[1] == '-')
1886 r++;
1887 popt = qemu_options;
1888 for(;;) {
1889 if (!popt->name) {
1890 error_report("invalid option");
1891 exit(1);
1892 }
1893 if (!strcmp(popt->name, r + 1))
1894 break;
1895 popt++;
1896 }
1897 if (popt->flags & HAS_ARG) {
1898 if (optind >= argc) {
1899 error_report("requires an argument");
1900 exit(1);
1901 }
1902 optarg = argv[optind++];
1903 loc_set_cmdline(argv, optind - 2, 2);
1904 } else {
1905 optarg = NULL;
1906 }
1907
1908 *poptarg = optarg;
1909 *poptind = optind;
1910
1911 return popt;
1912 }
1913
1914 int main(int argc, char **argv, char **envp)
1915 {
1916 const char *gdbstub_dev = NULL;
1917 int i;
1918 int snapshot, linux_boot;
1919 const char *icount_option = NULL;
1920 const char *initrd_filename;
1921 const char *kernel_filename, *kernel_cmdline;
1922 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1923 DisplayState *ds;
1924 DisplayChangeListener *dcl;
1925 int cyls, heads, secs, translation;
1926 QemuOpts *hda_opts = NULL, *opts;
1927 QemuOptsList *olist;
1928 int optind;
1929 const char *optarg;
1930 const char *loadvm = NULL;
1931 QEMUMachine *machine;
1932 const char *cpu_model;
1933 int tb_size;
1934 const char *pid_file = NULL;
1935 const char *incoming = NULL;
1936 int show_vnc_port = 0;
1937 int defconfig = 1;
1938
1939 #ifdef CONFIG_SIMPLE_TRACE
1940 const char *trace_file = NULL;
1941 #endif
1942 atexit(qemu_run_exit_notifiers);
1943 error_set_progname(argv[0]);
1944
1945 init_clocks();
1946
1947 qemu_cache_utils_init(envp);
1948
1949 QLIST_INIT (&vm_change_state_head);
1950 os_setup_early_signal_handling();
1951
1952 module_call_init(MODULE_INIT_MACHINE);
1953 machine = find_default_machine();
1954 cpu_model = NULL;
1955 initrd_filename = NULL;
1956 ram_size = 0;
1957 snapshot = 0;
1958 kernel_filename = NULL;
1959 kernel_cmdline = "";
1960 cyls = heads = secs = 0;
1961 translation = BIOS_ATA_TRANSLATION_AUTO;
1962
1963 for (i = 0; i < MAX_NODES; i++) {
1964 node_mem[i] = 0;
1965 node_cpumask[i] = 0;
1966 }
1967
1968 nb_numa_nodes = 0;
1969 nb_nics = 0;
1970
1971 tb_size = 0;
1972 autostart= 1;
1973
1974 /* first pass of option parsing */
1975 optind = 1;
1976 while (optind < argc) {
1977 if (argv[optind][0] != '-') {
1978 /* disk image */
1979 optind++;
1980 continue;
1981 } else {
1982 const QEMUOption *popt;
1983
1984 popt = lookup_opt(argc, argv, &optarg, &optind);
1985 switch (popt->index) {
1986 case QEMU_OPTION_nodefconfig:
1987 defconfig=0;
1988 break;
1989 }
1990 }
1991 }
1992
1993 if (defconfig) {
1994 int ret;
1995
1996 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
1997 if (ret < 0 && ret != -ENOENT) {
1998 exit(1);
1999 }
2000
2001 ret = qemu_read_config_file(arch_config_name);
2002 if (ret < 0 && ret != -ENOENT) {
2003 exit(1);
2004 }
2005 }
2006 cpudef_init();
2007
2008 /* second pass of option parsing */
2009 optind = 1;
2010 for(;;) {
2011 if (optind >= argc)
2012 break;
2013 if (argv[optind][0] != '-') {
2014 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2015 } else {
2016 const QEMUOption *popt;
2017
2018 popt = lookup_opt(argc, argv, &optarg, &optind);
2019 if (!(popt->arch_mask & arch_type)) {
2020 printf("Option %s not supported for this target\n", popt->name);
2021 exit(1);
2022 }
2023 switch(popt->index) {
2024 case QEMU_OPTION_M:
2025 machine = find_machine(optarg);
2026 if (!machine) {
2027 QEMUMachine *m;
2028 printf("Supported machines are:\n");
2029 for(m = first_machine; m != NULL; m = m->next) {
2030 if (m->alias)
2031 printf("%-10s %s (alias of %s)\n",
2032 m->alias, m->desc, m->name);
2033 printf("%-10s %s%s\n",
2034 m->name, m->desc,
2035 m->is_default ? " (default)" : "");
2036 }
2037 exit(*optarg != '?');
2038 }
2039 break;
2040 case QEMU_OPTION_cpu:
2041 /* hw initialization will check this */
2042 if (*optarg == '?') {
2043 list_cpus(stdout, &fprintf, optarg);
2044 exit(0);
2045 } else {
2046 cpu_model = optarg;
2047 }
2048 break;
2049 case QEMU_OPTION_initrd:
2050 initrd_filename = optarg;
2051 break;
2052 case QEMU_OPTION_hda:
2053 if (cyls == 0)
2054 hda_opts = drive_add(IF_DEFAULT, 0, optarg, HD_OPTS);
2055 else
2056 hda_opts = drive_add(IF_DEFAULT, 0, optarg, HD_OPTS
2057 ",cyls=%d,heads=%d,secs=%d%s",
2058 cyls, heads, secs,
2059 translation == BIOS_ATA_TRANSLATION_LBA ?
2060 ",trans=lba" :
2061 translation == BIOS_ATA_TRANSLATION_NONE ?
2062 ",trans=none" : "");
2063 break;
2064 case QEMU_OPTION_hdb:
2065 case QEMU_OPTION_hdc:
2066 case QEMU_OPTION_hdd:
2067 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2068 HD_OPTS);
2069 break;
2070 case QEMU_OPTION_drive:
2071 drive_def(optarg);
2072 break;
2073 case QEMU_OPTION_set:
2074 if (qemu_set_option(optarg) != 0)
2075 exit(1);
2076 break;
2077 case QEMU_OPTION_global:
2078 if (qemu_global_option(optarg) != 0)
2079 exit(1);
2080 break;
2081 case QEMU_OPTION_mtdblock:
2082 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2083 break;
2084 case QEMU_OPTION_sd:
2085 drive_add(IF_SD, 0, optarg, SD_OPTS);
2086 break;
2087 case QEMU_OPTION_pflash:
2088 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2089 break;
2090 case QEMU_OPTION_snapshot:
2091 snapshot = 1;
2092 break;
2093 case QEMU_OPTION_hdachs:
2094 {
2095 const char *p;
2096 p = optarg;
2097 cyls = strtol(p, (char **)&p, 0);
2098 if (cyls < 1 || cyls > 16383)
2099 goto chs_fail;
2100 if (*p != ',')
2101 goto chs_fail;
2102 p++;
2103 heads = strtol(p, (char **)&p, 0);
2104 if (heads < 1 || heads > 16)
2105 goto chs_fail;
2106 if (*p != ',')
2107 goto chs_fail;
2108 p++;
2109 secs = strtol(p, (char **)&p, 0);
2110 if (secs < 1 || secs > 63)
2111 goto chs_fail;
2112 if (*p == ',') {
2113 p++;
2114 if (!strcmp(p, "none"))
2115 translation = BIOS_ATA_TRANSLATION_NONE;
2116 else if (!strcmp(p, "lba"))
2117 translation = BIOS_ATA_TRANSLATION_LBA;
2118 else if (!strcmp(p, "auto"))
2119 translation = BIOS_ATA_TRANSLATION_AUTO;
2120 else
2121 goto chs_fail;
2122 } else if (*p != '\0') {
2123 chs_fail:
2124 fprintf(stderr, "qemu: invalid physical CHS format\n");
2125 exit(1);
2126 }
2127 if (hda_opts != NULL) {
2128 char num[16];
2129 snprintf(num, sizeof(num), "%d", cyls);
2130 qemu_opt_set(hda_opts, "cyls", num);
2131 snprintf(num, sizeof(num), "%d", heads);
2132 qemu_opt_set(hda_opts, "heads", num);
2133 snprintf(num, sizeof(num), "%d", secs);
2134 qemu_opt_set(hda_opts, "secs", num);
2135 if (translation == BIOS_ATA_TRANSLATION_LBA)
2136 qemu_opt_set(hda_opts, "trans", "lba");
2137 if (translation == BIOS_ATA_TRANSLATION_NONE)
2138 qemu_opt_set(hda_opts, "trans", "none");
2139 }
2140 }
2141 break;
2142 case QEMU_OPTION_numa:
2143 if (nb_numa_nodes >= MAX_NODES) {
2144 fprintf(stderr, "qemu: too many NUMA nodes\n");
2145 exit(1);
2146 }
2147 numa_add(optarg);
2148 break;
2149 case QEMU_OPTION_nographic:
2150 display_type = DT_NOGRAPHIC;
2151 break;
2152 #ifdef CONFIG_CURSES
2153 case QEMU_OPTION_curses:
2154 display_type = DT_CURSES;
2155 break;
2156 #endif
2157 case QEMU_OPTION_portrait:
2158 graphic_rotate = 1;
2159 break;
2160 case QEMU_OPTION_kernel:
2161 kernel_filename = optarg;
2162 break;
2163 case QEMU_OPTION_append:
2164 kernel_cmdline = optarg;
2165 break;
2166 case QEMU_OPTION_cdrom:
2167 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2168 break;
2169 case QEMU_OPTION_boot:
2170 {
2171 static const char * const params[] = {
2172 "order", "once", "menu", NULL
2173 };
2174 char buf[sizeof(boot_devices)];
2175 char *standard_boot_devices;
2176 int legacy = 0;
2177
2178 if (!strchr(optarg, '=')) {
2179 legacy = 1;
2180 pstrcpy(buf, sizeof(buf), optarg);
2181 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2182 fprintf(stderr,
2183 "qemu: unknown boot parameter '%s' in '%s'\n",
2184 buf, optarg);
2185 exit(1);
2186 }
2187
2188 if (legacy ||
2189 get_param_value(buf, sizeof(buf), "order", optarg)) {
2190 validate_bootdevices(buf);
2191 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2192 }
2193 if (!legacy) {
2194 if (get_param_value(buf, sizeof(buf),
2195 "once", optarg)) {
2196 validate_bootdevices(buf);
2197 standard_boot_devices = qemu_strdup(boot_devices);
2198 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2199 qemu_register_reset(restore_boot_devices,
2200 standard_boot_devices);
2201 }
2202 if (get_param_value(buf, sizeof(buf),
2203 "menu", optarg)) {
2204 if (!strcmp(buf, "on")) {
2205 boot_menu = 1;
2206 } else if (!strcmp(buf, "off")) {
2207 boot_menu = 0;
2208 } else {
2209 fprintf(stderr,
2210 "qemu: invalid option value '%s'\n",
2211 buf);
2212 exit(1);
2213 }
2214 }
2215 }
2216 }
2217 break;
2218 case QEMU_OPTION_fda:
2219 case QEMU_OPTION_fdb:
2220 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2221 optarg, FD_OPTS);
2222 break;
2223 case QEMU_OPTION_no_fd_bootchk:
2224 fd_bootchk = 0;
2225 break;
2226 case QEMU_OPTION_netdev:
2227 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2228 exit(1);
2229 }
2230 break;
2231 case QEMU_OPTION_net:
2232 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2233 exit(1);
2234 }
2235 break;
2236 #ifdef CONFIG_SLIRP
2237 case QEMU_OPTION_tftp:
2238 legacy_tftp_prefix = optarg;
2239 break;
2240 case QEMU_OPTION_bootp:
2241 legacy_bootp_filename = optarg;
2242 break;
2243 case QEMU_OPTION_redir:
2244 if (net_slirp_redir(optarg) < 0)
2245 exit(1);
2246 break;
2247 #endif
2248 case QEMU_OPTION_bt:
2249 add_device_config(DEV_BT, optarg);
2250 break;
2251 case QEMU_OPTION_audio_help:
2252 if (!(audio_available())) {
2253 printf("Option %s not supported for this target\n", popt->name);
2254 exit(1);
2255 }
2256 AUD_help ();
2257 exit (0);
2258 break;
2259 case QEMU_OPTION_soundhw:
2260 if (!(audio_available())) {
2261 printf("Option %s not supported for this target\n", popt->name);
2262 exit(1);
2263 }
2264 select_soundhw (optarg);
2265 break;
2266 case QEMU_OPTION_h:
2267 help(0);
2268 break;
2269 case QEMU_OPTION_version:
2270 version();
2271 exit(0);
2272 break;
2273 case QEMU_OPTION_m: {
2274 int64_t value;
2275
2276 value = strtosz(optarg, NULL);
2277 if (value < 0) {
2278 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2279 exit(1);
2280 }
2281
2282 /* On 32-bit hosts, QEMU is limited by virtual address space */
2283 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2284 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2285 exit(1);
2286 }
2287 if (value != (uint64_t)(ram_addr_t)value) {
2288 fprintf(stderr, "qemu: ram size too large\n");
2289 exit(1);
2290 }
2291 ram_size = value;
2292 break;
2293 }
2294 case QEMU_OPTION_mempath:
2295 mem_path = optarg;
2296 break;
2297 #ifdef MAP_POPULATE
2298 case QEMU_OPTION_mem_prealloc:
2299 mem_prealloc = 1;
2300 break;
2301 #endif
2302 case QEMU_OPTION_d:
2303 set_cpu_log(optarg);
2304 break;
2305 case QEMU_OPTION_s:
2306 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2307 break;
2308 case QEMU_OPTION_gdb:
2309 gdbstub_dev = optarg;
2310 break;
2311 case QEMU_OPTION_L:
2312 data_dir = optarg;
2313 break;
2314 case QEMU_OPTION_bios:
2315 bios_name = optarg;
2316 break;
2317 case QEMU_OPTION_singlestep:
2318 singlestep = 1;
2319 break;
2320 case QEMU_OPTION_S:
2321 autostart = 0;
2322 break;
2323 case QEMU_OPTION_k:
2324 keyboard_layout = optarg;
2325 break;
2326 case QEMU_OPTION_localtime:
2327 rtc_utc = 0;
2328 break;
2329 case QEMU_OPTION_vga:
2330 select_vgahw (optarg);
2331 break;
2332 case QEMU_OPTION_g:
2333 {
2334 const char *p;
2335 int w, h, depth;
2336 p = optarg;
2337 w = strtol(p, (char **)&p, 10);
2338 if (w <= 0) {
2339 graphic_error:
2340 fprintf(stderr, "qemu: invalid resolution or depth\n");
2341 exit(1);
2342 }
2343 if (*p != 'x')
2344 goto graphic_error;
2345 p++;
2346 h = strtol(p, (char **)&p, 10);
2347 if (h <= 0)
2348 goto graphic_error;
2349 if (*p == 'x') {
2350 p++;
2351 depth = strtol(p, (char **)&p, 10);
2352 if (depth != 8 && depth != 15 && depth != 16 &&
2353 depth != 24 && depth != 32)
2354 goto graphic_error;
2355 } else if (*p == '\0') {
2356 depth = graphic_depth;
2357 } else {
2358 goto graphic_error;
2359 }
2360
2361 graphic_width = w;
2362 graphic_height = h;
2363 graphic_depth = depth;
2364 }
2365 break;
2366 case QEMU_OPTION_echr:
2367 {
2368 char *r;
2369 term_escape_char = strtol(optarg, &r, 0);
2370 if (r == optarg)
2371 printf("Bad argument to echr\n");
2372 break;
2373 }
2374 case QEMU_OPTION_monitor:
2375 monitor_parse(optarg, "readline");
2376 default_monitor = 0;
2377 break;
2378 case QEMU_OPTION_qmp:
2379 monitor_parse(optarg, "control");
2380 default_monitor = 0;
2381 break;
2382 case QEMU_OPTION_mon:
2383 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2384 if (!opts) {
2385 exit(1);
2386 }
2387 default_monitor = 0;
2388 break;
2389 case QEMU_OPTION_chardev:
2390 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2391 if (!opts) {
2392 exit(1);
2393 }
2394 break;
2395 case QEMU_OPTION_fsdev:
2396 olist = qemu_find_opts("fsdev");
2397 if (!olist) {
2398 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2399 exit(1);
2400 }
2401 opts = qemu_opts_parse(olist, optarg, 1);
2402 if (!opts) {
2403 fprintf(stderr, "parse error: %s\n", optarg);
2404 exit(1);
2405 }
2406 break;
2407 case QEMU_OPTION_virtfs: {
2408 char *arg_fsdev = NULL;
2409 char *arg_9p = NULL;
2410 int len = 0;
2411
2412 olist = qemu_find_opts("virtfs");
2413 if (!olist) {
2414 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2415 exit(1);
2416 }
2417 opts = qemu_opts_parse(olist, optarg, 1);
2418 if (!opts) {
2419 fprintf(stderr, "parse error: %s\n", optarg);
2420 exit(1);
2421 }
2422
2423 if (qemu_opt_get(opts, "fstype") == NULL ||
2424 qemu_opt_get(opts, "mount_tag") == NULL ||
2425 qemu_opt_get(opts, "path") == NULL ||
2426 qemu_opt_get(opts, "security_model") == NULL) {
2427 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2428 "security_model=[mapped|passthrough|none],"
2429 "mnt_tag=tag.\n");
2430 exit(1);
2431 }
2432
2433 len = strlen(",id=,path=,security_model=");
2434 len += strlen(qemu_opt_get(opts, "fstype"));
2435 len += strlen(qemu_opt_get(opts, "mount_tag"));
2436 len += strlen(qemu_opt_get(opts, "path"));
2437 len += strlen(qemu_opt_get(opts, "security_model"));
2438 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2439
2440 snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev),
2441 "%s,id=%s,path=%s,security_model=%s",
2442 qemu_opt_get(opts, "fstype"),
2443 qemu_opt_get(opts, "mount_tag"),
2444 qemu_opt_get(opts, "path"),
2445 qemu_opt_get(opts, "security_model"));
2446
2447 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2448 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2449 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2450
2451 snprintf(arg_9p, (len + 1) * sizeof(*arg_9p),
2452 "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2453 qemu_opt_get(opts, "mount_tag"),
2454 qemu_opt_get(opts, "mount_tag"));
2455
2456 if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
2457 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2458 exit(1);
2459 }
2460
2461 if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
2462 fprintf(stderr, "parse error [device]: %s\n", optarg);
2463 exit(1);
2464 }
2465
2466 qemu_free(arg_fsdev);
2467 qemu_free(arg_9p);
2468 break;
2469 }
2470 case QEMU_OPTION_serial:
2471 add_device_config(DEV_SERIAL, optarg);
2472 default_serial = 0;
2473 if (strncmp(optarg, "mon:", 4) == 0) {
2474 default_monitor = 0;
2475 }
2476 break;
2477 case QEMU_OPTION_watchdog:
2478 if (watchdog) {
2479 fprintf(stderr,
2480 "qemu: only one watchdog option may be given\n");
2481 return 1;
2482 }
2483 watchdog = optarg;
2484 break;
2485 case QEMU_OPTION_watchdog_action:
2486 if (select_watchdog_action(optarg) == -1) {
2487 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2488 exit(1);
2489 }
2490 break;
2491 case QEMU_OPTION_virtiocon:
2492 add_device_config(DEV_VIRTCON, optarg);
2493 default_virtcon = 0;
2494 if (strncmp(optarg, "mon:", 4) == 0) {
2495 default_monitor = 0;
2496 }
2497 break;
2498 case QEMU_OPTION_parallel:
2499 add_device_config(DEV_PARALLEL, optarg);
2500 default_parallel = 0;
2501 if (strncmp(optarg, "mon:", 4) == 0) {
2502 default_monitor = 0;
2503 }
2504 break;
2505 case QEMU_OPTION_debugcon:
2506 add_device_config(DEV_DEBUGCON, optarg);
2507 break;
2508 case QEMU_OPTION_loadvm:
2509 loadvm = optarg;
2510 break;
2511 case QEMU_OPTION_full_screen:
2512 full_screen = 1;
2513 break;
2514 #ifdef CONFIG_SDL
2515 case QEMU_OPTION_no_frame:
2516 no_frame = 1;
2517 break;
2518 case QEMU_OPTION_alt_grab:
2519 alt_grab = 1;
2520 break;
2521 case QEMU_OPTION_ctrl_grab:
2522 ctrl_grab = 1;
2523 break;
2524 case QEMU_OPTION_no_quit:
2525 no_quit = 1;
2526 break;
2527 case QEMU_OPTION_sdl:
2528 display_type = DT_SDL;
2529 break;
2530 #endif
2531 case QEMU_OPTION_pidfile:
2532 pid_file = optarg;
2533 break;
2534 case QEMU_OPTION_win2k_hack:
2535 win2k_install_hack = 1;
2536 break;
2537 case QEMU_OPTION_rtc_td_hack:
2538 rtc_td_hack = 1;
2539 break;
2540 case QEMU_OPTION_acpitable:
2541 do_acpitable_option(optarg);
2542 break;
2543 case QEMU_OPTION_smbios:
2544 do_smbios_option(optarg);
2545 break;
2546 case QEMU_OPTION_enable_kvm:
2547 kvm_allowed = 1;
2548 break;
2549 case QEMU_OPTION_usb:
2550 usb_enabled = 1;
2551 break;
2552 case QEMU_OPTION_usbdevice:
2553 usb_enabled = 1;
2554 add_device_config(DEV_USB, optarg);
2555 break;
2556 case QEMU_OPTION_device:
2557 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2558 exit(1);
2559 }
2560 break;
2561 case QEMU_OPTION_smp:
2562 smp_parse(optarg);
2563 if (smp_cpus < 1) {
2564 fprintf(stderr, "Invalid number of CPUs\n");
2565 exit(1);
2566 }
2567 if (max_cpus < smp_cpus) {
2568 fprintf(stderr, "maxcpus must be equal to or greater than "
2569 "smp\n");
2570 exit(1);
2571 }
2572 if (max_cpus > 255) {
2573 fprintf(stderr, "Unsupported number of maxcpus\n");
2574 exit(1);
2575 }
2576 break;
2577 case QEMU_OPTION_vnc:
2578 display_remote++;
2579 vnc_display = optarg;
2580 break;
2581 case QEMU_OPTION_no_acpi:
2582 acpi_enabled = 0;
2583 break;
2584 case QEMU_OPTION_no_hpet:
2585 no_hpet = 1;
2586 break;
2587 case QEMU_OPTION_balloon:
2588 if (balloon_parse(optarg) < 0) {
2589 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2590 exit(1);
2591 }
2592 break;
2593 case QEMU_OPTION_no_reboot:
2594 no_reboot = 1;
2595 break;
2596 case QEMU_OPTION_no_shutdown:
2597 no_shutdown = 1;
2598 break;
2599 case QEMU_OPTION_show_cursor:
2600 cursor_hide = 0;
2601 break;
2602 case QEMU_OPTION_uuid:
2603 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2604 fprintf(stderr, "Fail to parse UUID string."
2605 " Wrong format.\n");
2606 exit(1);
2607 }
2608 break;
2609 case QEMU_OPTION_option_rom:
2610 if (nb_option_roms >= MAX_OPTION_ROMS) {
2611 fprintf(stderr, "Too many option ROMs\n");
2612 exit(1);
2613 }
2614 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2615 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2616 option_rom[nb_option_roms].bootindex =
2617 qemu_opt_get_number(opts, "bootindex", -1);
2618 if (!option_rom[nb_option_roms].name) {
2619 fprintf(stderr, "Option ROM file is not specified\n");
2620 exit(1);
2621 }
2622 nb_option_roms++;
2623 break;
2624 case QEMU_OPTION_semihosting:
2625 semihosting_enabled = 1;
2626 break;
2627 case QEMU_OPTION_name:
2628 qemu_name = qemu_strdup(optarg);
2629 {
2630 char *p = strchr(qemu_name, ',');
2631 if (p != NULL) {
2632 *p++ = 0;
2633 if (strncmp(p, "process=", 8)) {
2634 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2635 exit(1);
2636 }
2637 p += 8;
2638 os_set_proc_name(p);
2639 }
2640 }
2641 break;
2642 case QEMU_OPTION_prom_env:
2643 if (nb_prom_envs >= MAX_PROM_ENVS) {
2644 fprintf(stderr, "Too many prom variables\n");
2645 exit(1);
2646 }
2647 prom_envs[nb_prom_envs] = optarg;
2648 nb_prom_envs++;
2649 break;
2650 case QEMU_OPTION_old_param:
2651 old_param = 1;
2652 break;
2653 case QEMU_OPTION_clock:
2654 configure_alarms(optarg);
2655 break;
2656 case QEMU_OPTION_startdate:
2657 configure_rtc_date_offset(optarg, 1);
2658 break;
2659 case QEMU_OPTION_rtc:
2660 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2661 if (!opts) {
2662 exit(1);
2663 }
2664 configure_rtc(opts);
2665 break;
2666 case QEMU_OPTION_tb_size:
2667 tb_size = strtol(optarg, NULL, 0);
2668 if (tb_size < 0)
2669 tb_size = 0;
2670 break;
2671 case QEMU_OPTION_icount:
2672 icount_option = optarg;
2673 break;
2674 case QEMU_OPTION_incoming:
2675 incoming = optarg;
2676 incoming_expected = true;
2677 break;
2678 case QEMU_OPTION_nodefaults:
2679 default_serial = 0;
2680 default_parallel = 0;
2681 default_virtcon = 0;
2682 default_monitor = 0;
2683 default_vga = 0;
2684 default_net = 0;
2685 default_floppy = 0;
2686 default_cdrom = 0;
2687 default_sdcard = 0;
2688 break;
2689 case QEMU_OPTION_xen_domid:
2690 if (!(xen_available())) {
2691 printf("Option %s not supported for this target\n", popt->name);
2692 exit(1);
2693 }
2694 xen_domid = atoi(optarg);
2695 break;
2696 case QEMU_OPTION_xen_create:
2697 if (!(xen_available())) {
2698 printf("Option %s not supported for this target\n", popt->name);
2699 exit(1);
2700 }
2701 xen_mode = XEN_CREATE;
2702 break;
2703 case QEMU_OPTION_xen_attach:
2704 if (!(xen_available())) {
2705 printf("Option %s not supported for this target\n", popt->name);
2706 exit(1);
2707 }
2708 xen_mode = XEN_ATTACH;
2709 break;
2710 #ifdef CONFIG_SIMPLE_TRACE
2711 case QEMU_OPTION_trace:
2712 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2713 if (opts) {
2714 trace_file = qemu_opt_get(opts, "file");
2715 }
2716 break;
2717 #endif
2718 case QEMU_OPTION_readconfig:
2719 {
2720 int ret = qemu_read_config_file(optarg);
2721 if (ret < 0) {
2722 fprintf(stderr, "read config %s: %s\n", optarg,
2723 strerror(-ret));
2724 exit(1);
2725 }
2726 break;
2727 }
2728 case QEMU_OPTION_spice:
2729 olist = qemu_find_opts("spice");
2730 if (!olist) {
2731 fprintf(stderr, "spice is not supported by this qemu build.\n");
2732 exit(1);
2733 }
2734 opts = qemu_opts_parse(olist, optarg, 0);
2735 if (!opts) {
2736 fprintf(stderr, "parse error: %s\n", optarg);
2737 exit(1);
2738 }
2739 break;
2740 case QEMU_OPTION_writeconfig:
2741 {
2742 FILE *fp;
2743 if (strcmp(optarg, "-") == 0) {
2744 fp = stdout;
2745 } else {
2746 fp = fopen(optarg, "w");
2747 if (fp == NULL) {
2748 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2749 exit(1);
2750 }
2751 }
2752 qemu_config_write(fp);
2753 fclose(fp);
2754 break;
2755 }
2756 default:
2757 os_parse_cmd_args(popt->index, optarg);
2758 }
2759 }
2760 }
2761 loc_set_none();
2762
2763 /* If no data_dir is specified then try to find it relative to the
2764 executable path. */
2765 if (!data_dir) {
2766 data_dir = os_find_datadir(argv[0]);
2767 }
2768 /* If all else fails use the install patch specified when building. */
2769 if (!data_dir) {
2770 data_dir = CONFIG_QEMU_DATADIR;
2771 }
2772
2773 #ifdef CONFIG_SIMPLE_TRACE
2774 /*
2775 * Set the trace file name, if specified.
2776 */
2777 st_set_trace_file(trace_file);
2778 #endif
2779 /*
2780 * Default to max_cpus = smp_cpus, in case the user doesn't
2781 * specify a max_cpus value.
2782 */
2783 if (!max_cpus)
2784 max_cpus = smp_cpus;
2785
2786 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2787 if (smp_cpus > machine->max_cpus) {
2788 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2789 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2790 machine->max_cpus);
2791 exit(1);
2792 }
2793
2794 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2795 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2796
2797 if (machine->no_serial) {
2798 default_serial = 0;
2799 }
2800 if (machine->no_parallel) {
2801 default_parallel = 0;
2802 }
2803 if (!machine->use_virtcon) {
2804 default_virtcon = 0;
2805 }
2806 if (machine->no_vga) {
2807 default_vga = 0;
2808 }
2809 if (machine->no_floppy) {
2810 default_floppy = 0;
2811 }
2812 if (machine->no_cdrom) {
2813 default_cdrom = 0;
2814 }
2815 if (machine->no_sdcard) {
2816 default_sdcard = 0;
2817 }
2818
2819 if (display_type == DT_NOGRAPHIC) {
2820 if (default_parallel)
2821 add_device_config(DEV_PARALLEL, "null");
2822 if (default_serial && default_monitor) {
2823 add_device_config(DEV_SERIAL, "mon:stdio");
2824 } else if (default_virtcon && default_monitor) {
2825 add_device_config(DEV_VIRTCON, "mon:stdio");
2826 } else {
2827 if (default_serial)
2828 add_device_config(DEV_SERIAL, "stdio");
2829 if (default_virtcon)
2830 add_device_config(DEV_VIRTCON, "stdio");
2831 if (default_monitor)
2832 monitor_parse("stdio", "readline");
2833 }
2834 } else {
2835 if (default_serial)
2836 add_device_config(DEV_SERIAL, "vc:80Cx24C");
2837 if (default_parallel)
2838 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2839 if (default_monitor)
2840 monitor_parse("vc:80Cx24C", "readline");
2841 if (default_virtcon)
2842 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2843 }
2844 if (default_vga)
2845 vga_interface_type = VGA_CIRRUS;
2846
2847 socket_init();
2848
2849 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
2850 exit(1);
2851 #ifdef CONFIG_VIRTFS
2852 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
2853 exit(1);
2854 }
2855 #endif
2856
2857 os_daemonize();
2858
2859 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2860 os_pidfile_error();
2861 exit(1);
2862 }
2863
2864 if (kvm_allowed) {
2865 int ret = kvm_init(smp_cpus);
2866 if (ret < 0) {
2867 if (!kvm_available()) {
2868 printf("KVM not supported for this target\n");
2869 } else {
2870 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2871 }
2872 exit(1);
2873 }
2874 }
2875
2876 if (qemu_init_main_loop()) {
2877 fprintf(stderr, "qemu_init_main_loop failed\n");
2878 exit(1);
2879 }
2880 linux_boot = (kernel_filename != NULL);
2881
2882 if (!linux_boot && *kernel_cmdline != '\0') {
2883 fprintf(stderr, "-append only allowed with -kernel option\n");
2884 exit(1);
2885 }
2886
2887 if (!linux_boot && initrd_filename != NULL) {
2888 fprintf(stderr, "-initrd only allowed with -kernel option\n");
2889 exit(1);
2890 }
2891
2892 os_set_line_buffering();
2893
2894 if (init_timer_alarm() < 0) {
2895 fprintf(stderr, "could not initialize alarm timer\n");
2896 exit(1);
2897 }
2898 configure_icount(icount_option);
2899
2900 if (net_init_clients() < 0) {
2901 exit(1);
2902 }
2903
2904 /* init the bluetooth world */
2905 if (foreach_device_config(DEV_BT, bt_parse))
2906 exit(1);
2907
2908 /* init the memory */
2909 if (ram_size == 0)
2910 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2911
2912 /* init the dynamic translator */
2913 cpu_exec_init_all(tb_size * 1024 * 1024);
2914
2915 bdrv_init_with_whitelist();
2916
2917 blk_mig_init();
2918
2919 /* open the virtual block devices */
2920 if (snapshot)
2921 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
2922 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
2923 exit(1);
2924
2925 default_drive(default_cdrom, snapshot, machine->use_scsi,
2926 IF_DEFAULT, 2, CDROM_OPTS);
2927 default_drive(default_floppy, snapshot, machine->use_scsi,
2928 IF_FLOPPY, 0, FD_OPTS);
2929 default_drive(default_sdcard, snapshot, machine->use_scsi,
2930 IF_SD, 0, SD_OPTS);
2931
2932 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2933 ram_load, NULL);
2934
2935 if (nb_numa_nodes > 0) {
2936 int i;
2937
2938 if (nb_numa_nodes > smp_cpus) {
2939 nb_numa_nodes = smp_cpus;
2940 }
2941
2942 /* If no memory size if given for any node, assume the default case
2943 * and distribute the available memory equally across all nodes
2944 */
2945 for (i = 0; i < nb_numa_nodes; i++) {
2946 if (node_mem[i] != 0)
2947 break;
2948 }
2949 if (i == nb_numa_nodes) {
2950 uint64_t usedmem = 0;
2951
2952 /* On Linux, the each node's border has to be 8MB aligned,
2953 * the final node gets the rest.
2954 */
2955 for (i = 0; i < nb_numa_nodes - 1; i++) {
2956 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2957 usedmem += node_mem[i];
2958 }
2959 node_mem[i] = ram_size - usedmem;
2960 }
2961
2962 for (i = 0; i < nb_numa_nodes; i++) {
2963 if (node_cpumask[i] != 0)
2964 break;
2965 }
2966 /* assigning the VCPUs round-robin is easier to implement, guest OSes
2967 * must cope with this anyway, because there are BIOSes out there in
2968 * real machines which also use this scheme.
2969 */
2970 if (i == nb_numa_nodes) {
2971 for (i = 0; i < smp_cpus; i++) {
2972 node_cpumask[i % nb_numa_nodes] |= 1 << i;
2973 }
2974 }
2975 }
2976
2977 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
2978 exit(1);
2979 }
2980
2981 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2982 exit(1);
2983 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2984 exit(1);
2985 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2986 exit(1);
2987 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2988 exit(1);
2989
2990 module_call_init(MODULE_INIT_DEVICE);
2991
2992 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
2993 exit(0);
2994
2995 if (watchdog) {
2996 i = select_watchdog(watchdog);
2997 if (i > 0)
2998 exit (i == 1 ? 1 : 0);
2999 }
3000
3001 if (machine->compat_props) {
3002 qdev_prop_register_global_list(machine->compat_props);
3003 }
3004 qemu_add_globals();
3005
3006 machine->init(ram_size, boot_devices,
3007 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3008
3009 cpu_synchronize_all_post_init();
3010
3011 /* must be after terminal init, SDL library changes signal handlers */
3012 os_setup_signal_handling();
3013
3014 set_numa_modes();
3015
3016 current_machine = machine;
3017
3018 /* init USB devices */
3019 if (usb_enabled) {
3020 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3021 exit(1);
3022 }
3023
3024 /* init generic devices */
3025 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3026 exit(1);
3027
3028 net_check_clients();
3029
3030 /* just use the first displaystate for the moment */
3031 ds = get_displaystate();
3032
3033 if (using_spice)
3034 display_remote++;
3035 if (display_type == DT_DEFAULT && !display_remote) {
3036 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3037 display_type = DT_SDL;
3038 #else
3039 vnc_display = "localhost:0,to=99";
3040 show_vnc_port = 1;
3041 #endif
3042 }
3043
3044
3045 /* init local displays */
3046 switch (display_type) {
3047 case DT_NOGRAPHIC:
3048 break;
3049 #if defined(CONFIG_CURSES)
3050 case DT_CURSES:
3051 curses_display_init(ds, full_screen);
3052 break;
3053 #endif
3054 #if defined(CONFIG_SDL)
3055 case DT_SDL:
3056 sdl_display_init(ds, full_screen, no_frame);
3057 break;
3058 #elif defined(CONFIG_COCOA)
3059 case DT_SDL:
3060 cocoa_display_init(ds, full_screen);
3061 break;
3062 #endif
3063 default:
3064 break;
3065 }
3066
3067 /* init remote displays */
3068 if (vnc_display) {
3069 vnc_display_init(ds);
3070 if (vnc_display_open(ds, vnc_display) < 0)
3071 exit(1);
3072
3073 if (show_vnc_port) {
3074 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3075 }
3076 }
3077 #ifdef CONFIG_SPICE
3078 if (using_spice && !qxl_enabled) {
3079 qemu_spice_display_init(ds);
3080 }
3081 #endif
3082
3083 /* display setup */
3084 dpy_resize(ds);
3085 dcl = ds->listeners;
3086 while (dcl != NULL) {
3087 if (dcl->dpy_refresh != NULL) {
3088 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
3089 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
3090 break;
3091 }
3092 dcl = dcl->next;
3093 }
3094 if (ds->gui_timer == NULL) {
3095 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
3096 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
3097 }
3098 text_consoles_set_display(ds);
3099
3100 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3101 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3102 gdbstub_dev);
3103 exit(1);
3104 }
3105
3106 qdev_machine_creation_done();
3107
3108 if (rom_load_all() != 0) {
3109 fprintf(stderr, "rom loading failed\n");
3110 exit(1);
3111 }
3112
3113 /* TODO: once all bus devices are qdevified, this should be done
3114 * when bus is created by qdev.c */
3115 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3116 qemu_run_machine_init_done_notifiers();
3117
3118 qemu_system_reset();
3119 if (loadvm) {
3120 if (load_vmstate(loadvm) < 0) {
3121 autostart = 0;
3122 }
3123 }
3124
3125 if (incoming) {
3126 int ret = qemu_start_incoming_migration(incoming);
3127 if (ret < 0) {
3128 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3129 incoming, ret);
3130 exit(ret);
3131 }
3132 } else if (autostart) {
3133 vm_start();
3134 }
3135
3136 os_setup_post();
3137
3138 main_loop();
3139 quit_timers();
3140 net_cleanup();
3141
3142 return 0;
3143 }
QEmu