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virtio: fix indirect descriptor buffer overflow
[qemu.git] / vl.c
blobfcd7395dd809aab97ba1d20e6ff844536888a9d3
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
34
35 #ifndef _WIN32
36 #include <libgen.h>
37 #include <sys/times.h>
38 #include <sys/wait.h>
39 #include <termios.h>
40 #include <sys/mman.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
45 #include <net/if.h>
46 #include <arpa/inet.h>
47 #include <dirent.h>
48 #include <netdb.h>
49 #include <sys/select.h>
50
51 #ifdef CONFIG_BSD
52 #include <sys/stat.h>
53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
54 #include <libutil.h>
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <pty.h>
62 #include <malloc.h>
63
64 #include <linux/ppdev.h>
65 #include <linux/parport.h>
66 #endif
67 #ifdef __sun__
68 #include <sys/stat.h>
69 #include <sys/ethernet.h>
70 #include <sys/sockio.h>
71 #include <netinet/arp.h>
72 #include <netinet/in_systm.h>
73 #include <netinet/ip.h>
74 #include <netinet/ip_icmp.h> // must come after ip.h
75 #include <netinet/udp.h>
76 #include <netinet/tcp.h>
77 #include <net/if.h>
78 #include <syslog.h>
79 #include <stropts.h>
80 #endif
81 #endif
82 #endif
83
84 #if defined(__OpenBSD__)
85 #include <util.h>
86 #endif
87
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
91
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
95
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
101 {
102 return qemu_main(argc, argv, NULL);
103 }
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
108
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
113
114 #include "hw/hw.h"
115 #include "hw/boards.h"
116 #include "hw/usb.h"
117 #include "hw/pcmcia.h"
118 #include "hw/pc.h"
119 #include "hw/isa.h"
120 #include "hw/baum.h"
121 #include "hw/bt.h"
122 #include "hw/watchdog.h"
123 #include "hw/smbios.h"
124 #include "hw/xen.h"
125 #include "hw/qdev.h"
126 #include "hw/loader.h"
127 #include "bt-host.h"
128 #include "net.h"
129 #include "net/slirp.h"
130 #include "monitor.h"
131 #include "console.h"
132 #include "sysemu.h"
133 #include "gdbstub.h"
134 #include "qemu-timer.h"
135 #include "qemu-char.h"
136 #include "cache-utils.h"
137 #include "block.h"
138 #include "blockdev.h"
139 #include "block-migration.h"
140 #include "dma.h"
141 #include "audio/audio.h"
142 #include "migration.h"
143 #include "kvm.h"
144 #include "qemu-option.h"
145 #include "qemu-config.h"
146 #include "qemu-objects.h"
147 #include "qemu-options.h"
148 #ifdef CONFIG_VIRTFS
149 #include "fsdev/qemu-fsdev.h"
150 #endif
151
152 #include "disas.h"
153
154 #include "qemu_socket.h"
155
156 #include "slirp/libslirp.h"
157
158 #include "trace.h"
159 #include "simpletrace.h"
160 #include "qemu-queue.h"
161 #include "cpus.h"
162 #include "arch_init.h"
163
164 #include "ui/qemu-spice.h"
165
166 //#define DEBUG_NET
167 //#define DEBUG_SLIRP
168
169 #define DEFAULT_RAM_SIZE 128
170
171 #define MAX_VIRTIO_CONSOLES 1
172
173 static const char *data_dir;
174 const char *bios_name = NULL;
175 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
176 DisplayType display_type = DT_DEFAULT;
177 int display_remote = 0;
178 const char* keyboard_layout = NULL;
179 ram_addr_t ram_size;
180 const char *mem_path = NULL;
181 #ifdef MAP_POPULATE
182 int mem_prealloc = 0; /* force preallocation of physical target memory */
183 #endif
184 int nb_nics;
185 NICInfo nd_table[MAX_NICS];
186 int vm_running;
187 int autostart;
188 int incoming_expected; /* Started with -incoming and waiting for incoming */
189 static int rtc_utc = 1;
190 static int rtc_date_offset = -1; /* -1 means no change */
191 QEMUClock *rtc_clock;
192 int vga_interface_type = VGA_NONE;
193 static int full_screen = 0;
194 #ifdef CONFIG_SDL
195 static int no_frame = 0;
196 #endif
197 int no_quit = 0;
198 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
199 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
200 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
201 int win2k_install_hack = 0;
202 int rtc_td_hack = 0;
203 int usb_enabled = 0;
204 int singlestep = 0;
205 int smp_cpus = 1;
206 int max_cpus = 0;
207 int smp_cores = 1;
208 int smp_threads = 1;
209 #ifdef CONFIG_VNC
210 const char *vnc_display;
211 #endif
212 int acpi_enabled = 1;
213 int no_hpet = 0;
214 int fd_bootchk = 1;
215 int no_reboot = 0;
216 int no_shutdown = 0;
217 int cursor_hide = 1;
218 int graphic_rotate = 0;
219 uint8_t irq0override = 1;
220 const char *watchdog;
221 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
222 int nb_option_roms;
223 int semihosting_enabled = 0;
224 int old_param = 0;
225 const char *qemu_name;
226 int alt_grab = 0;
227 int ctrl_grab = 0;
228 unsigned int nb_prom_envs = 0;
229 const char *prom_envs[MAX_PROM_ENVS];
230 int boot_menu;
231
232 typedef struct FWBootEntry FWBootEntry;
233
234 struct FWBootEntry {
235 QTAILQ_ENTRY(FWBootEntry) link;
236 int32_t bootindex;
237 DeviceState *dev;
238 char *suffix;
239 };
240
241 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
242
243 int nb_numa_nodes;
244 uint64_t node_mem[MAX_NODES];
245 uint64_t node_cpumask[MAX_NODES];
246
247 static QEMUTimer *nographic_timer;
248
249 uint8_t qemu_uuid[16];
250
251 static QEMUBootSetHandler *boot_set_handler;
252 static void *boot_set_opaque;
253
254 static NotifierList exit_notifiers =
255 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
256
257 static NotifierList machine_init_done_notifiers =
258 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
259
260 static int tcg_allowed = 1;
261 int kvm_allowed = 0;
262 int xen_allowed = 0;
263 uint32_t xen_domid;
264 enum xen_mode xen_mode = XEN_EMULATE;
265
266 static int default_serial = 1;
267 static int default_parallel = 1;
268 static int default_virtcon = 1;
269 static int default_monitor = 1;
270 static int default_vga = 1;
271 static int default_floppy = 1;
272 static int default_cdrom = 1;
273 static int default_sdcard = 1;
274
275 static struct {
276 const char *driver;
277 int *flag;
278 } default_list[] = {
279 { .driver = "isa-serial", .flag = &default_serial },
280 { .driver = "isa-parallel", .flag = &default_parallel },
281 { .driver = "isa-fdc", .flag = &default_floppy },
282 { .driver = "ide-cd", .flag = &default_cdrom },
283 { .driver = "ide-hd", .flag = &default_cdrom },
284 { .driver = "ide-drive", .flag = &default_cdrom },
285 { .driver = "scsi-cd", .flag = &default_cdrom },
286 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
287 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
288 { .driver = "virtio-serial", .flag = &default_virtcon },
289 { .driver = "VGA", .flag = &default_vga },
290 { .driver = "cirrus-vga", .flag = &default_vga },
291 { .driver = "vmware-svga", .flag = &default_vga },
292 { .driver = "isa-vga", .flag = &default_vga },
293 { .driver = "qxl-vga", .flag = &default_vga },
294 };
295
296 static int default_driver_check(QemuOpts *opts, void *opaque)
297 {
298 const char *driver = qemu_opt_get(opts, "driver");
299 int i;
300
301 if (!driver)
302 return 0;
303 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
304 if (strcmp(default_list[i].driver, driver) != 0)
305 continue;
306 *(default_list[i].flag) = 0;
307 }
308 return 0;
309 }
310
311 /***********************************************************/
312 /* real time host monotonic timer */
313
314 /***********************************************************/
315 /* host time/date access */
316 void qemu_get_timedate(struct tm *tm, int offset)
317 {
318 time_t ti;
319 struct tm *ret;
320
321 time(&ti);
322 ti += offset;
323 if (rtc_date_offset == -1) {
324 if (rtc_utc)
325 ret = gmtime(&ti);
326 else
327 ret = localtime(&ti);
328 } else {
329 ti -= rtc_date_offset;
330 ret = gmtime(&ti);
331 }
332
333 memcpy(tm, ret, sizeof(struct tm));
334 }
335
336 int qemu_timedate_diff(struct tm *tm)
337 {
338 time_t seconds;
339
340 if (rtc_date_offset == -1)
341 if (rtc_utc)
342 seconds = mktimegm(tm);
343 else
344 seconds = mktime(tm);
345 else
346 seconds = mktimegm(tm) + rtc_date_offset;
347
348 return seconds - time(NULL);
349 }
350
351 void rtc_change_mon_event(struct tm *tm)
352 {
353 QObject *data;
354
355 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
356 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
357 qobject_decref(data);
358 }
359
360 static void configure_rtc_date_offset(const char *startdate, int legacy)
361 {
362 time_t rtc_start_date;
363 struct tm tm;
364
365 if (!strcmp(startdate, "now") && legacy) {
366 rtc_date_offset = -1;
367 } else {
368 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
369 &tm.tm_year,
370 &tm.tm_mon,
371 &tm.tm_mday,
372 &tm.tm_hour,
373 &tm.tm_min,
374 &tm.tm_sec) == 6) {
375 /* OK */
376 } else if (sscanf(startdate, "%d-%d-%d",
377 &tm.tm_year,
378 &tm.tm_mon,
379 &tm.tm_mday) == 3) {
380 tm.tm_hour = 0;
381 tm.tm_min = 0;
382 tm.tm_sec = 0;
383 } else {
384 goto date_fail;
385 }
386 tm.tm_year -= 1900;
387 tm.tm_mon--;
388 rtc_start_date = mktimegm(&tm);
389 if (rtc_start_date == -1) {
390 date_fail:
391 fprintf(stderr, "Invalid date format. Valid formats are:\n"
392 "'2006-06-17T16:01:21' or '2006-06-17'\n");
393 exit(1);
394 }
395 rtc_date_offset = time(NULL) - rtc_start_date;
396 }
397 }
398
399 static void configure_rtc(QemuOpts *opts)
400 {
401 const char *value;
402
403 value = qemu_opt_get(opts, "base");
404 if (value) {
405 if (!strcmp(value, "utc")) {
406 rtc_utc = 1;
407 } else if (!strcmp(value, "localtime")) {
408 rtc_utc = 0;
409 } else {
410 configure_rtc_date_offset(value, 0);
411 }
412 }
413 value = qemu_opt_get(opts, "clock");
414 if (value) {
415 if (!strcmp(value, "host")) {
416 rtc_clock = host_clock;
417 } else if (!strcmp(value, "vm")) {
418 rtc_clock = vm_clock;
419 } else {
420 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
421 exit(1);
422 }
423 }
424 value = qemu_opt_get(opts, "driftfix");
425 if (value) {
426 if (!strcmp(value, "slew")) {
427 rtc_td_hack = 1;
428 } else if (!strcmp(value, "none")) {
429 rtc_td_hack = 0;
430 } else {
431 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
432 exit(1);
433 }
434 }
435 }
436
437 /***********************************************************/
438 /* Bluetooth support */
439 static int nb_hcis;
440 static int cur_hci;
441 static struct HCIInfo *hci_table[MAX_NICS];
442
443 static struct bt_vlan_s {
444 struct bt_scatternet_s net;
445 int id;
446 struct bt_vlan_s *next;
447 } *first_bt_vlan;
448
449 /* find or alloc a new bluetooth "VLAN" */
450 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
451 {
452 struct bt_vlan_s **pvlan, *vlan;
453 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
454 if (vlan->id == id)
455 return &vlan->net;
456 }
457 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
458 vlan->id = id;
459 pvlan = &first_bt_vlan;
460 while (*pvlan != NULL)
461 pvlan = &(*pvlan)->next;
462 *pvlan = vlan;
463 return &vlan->net;
464 }
465
466 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
467 {
468 }
469
470 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
471 {
472 return -ENOTSUP;
473 }
474
475 static struct HCIInfo null_hci = {
476 .cmd_send = null_hci_send,
477 .sco_send = null_hci_send,
478 .acl_send = null_hci_send,
479 .bdaddr_set = null_hci_addr_set,
480 };
481
482 struct HCIInfo *qemu_next_hci(void)
483 {
484 if (cur_hci == nb_hcis)
485 return &null_hci;
486
487 return hci_table[cur_hci++];
488 }
489
490 static struct HCIInfo *hci_init(const char *str)
491 {
492 char *endp;
493 struct bt_scatternet_s *vlan = 0;
494
495 if (!strcmp(str, "null"))
496 /* null */
497 return &null_hci;
498 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
499 /* host[:hciN] */
500 return bt_host_hci(str[4] ? str + 5 : "hci0");
501 else if (!strncmp(str, "hci", 3)) {
502 /* hci[,vlan=n] */
503 if (str[3]) {
504 if (!strncmp(str + 3, ",vlan=", 6)) {
505 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
506 if (*endp)
507 vlan = 0;
508 }
509 } else
510 vlan = qemu_find_bt_vlan(0);
511 if (vlan)
512 return bt_new_hci(vlan);
513 }
514
515 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
516
517 return 0;
518 }
519
520 static int bt_hci_parse(const char *str)
521 {
522 struct HCIInfo *hci;
523 bdaddr_t bdaddr;
524
525 if (nb_hcis >= MAX_NICS) {
526 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
527 return -1;
528 }
529
530 hci = hci_init(str);
531 if (!hci)
532 return -1;
533
534 bdaddr.b[0] = 0x52;
535 bdaddr.b[1] = 0x54;
536 bdaddr.b[2] = 0x00;
537 bdaddr.b[3] = 0x12;
538 bdaddr.b[4] = 0x34;
539 bdaddr.b[5] = 0x56 + nb_hcis;
540 hci->bdaddr_set(hci, bdaddr.b);
541
542 hci_table[nb_hcis++] = hci;
543
544 return 0;
545 }
546
547 static void bt_vhci_add(int vlan_id)
548 {
549 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
550
551 if (!vlan->slave)
552 fprintf(stderr, "qemu: warning: adding a VHCI to "
553 "an empty scatternet %i\n", vlan_id);
554
555 bt_vhci_init(bt_new_hci(vlan));
556 }
557
558 static struct bt_device_s *bt_device_add(const char *opt)
559 {
560 struct bt_scatternet_s *vlan;
561 int vlan_id = 0;
562 char *endp = strstr(opt, ",vlan=");
563 int len = (endp ? endp - opt : strlen(opt)) + 1;
564 char devname[10];
565
566 pstrcpy(devname, MIN(sizeof(devname), len), opt);
567
568 if (endp) {
569 vlan_id = strtol(endp + 6, &endp, 0);
570 if (*endp) {
571 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
572 return 0;
573 }
574 }
575
576 vlan = qemu_find_bt_vlan(vlan_id);
577
578 if (!vlan->slave)
579 fprintf(stderr, "qemu: warning: adding a slave device to "
580 "an empty scatternet %i\n", vlan_id);
581
582 if (!strcmp(devname, "keyboard"))
583 return bt_keyboard_init(vlan);
584
585 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
586 return 0;
587 }
588
589 static int bt_parse(const char *opt)
590 {
591 const char *endp, *p;
592 int vlan;
593
594 if (strstart(opt, "hci", &endp)) {
595 if (!*endp || *endp == ',') {
596 if (*endp)
597 if (!strstart(endp, ",vlan=", 0))
598 opt = endp + 1;
599
600 return bt_hci_parse(opt);
601 }
602 } else if (strstart(opt, "vhci", &endp)) {
603 if (!*endp || *endp == ',') {
604 if (*endp) {
605 if (strstart(endp, ",vlan=", &p)) {
606 vlan = strtol(p, (char **) &endp, 0);
607 if (*endp) {
608 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
609 return 1;
610 }
611 } else {
612 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
613 return 1;
614 }
615 } else
616 vlan = 0;
617
618 bt_vhci_add(vlan);
619 return 0;
620 }
621 } else if (strstart(opt, "device:", &endp))
622 return !bt_device_add(endp);
623
624 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
625 return 1;
626 }
627
628 /***********************************************************/
629 /* QEMU Block devices */
630
631 #define HD_OPTS "media=disk"
632 #define CDROM_OPTS "media=cdrom"
633 #define FD_OPTS ""
634 #define PFLASH_OPTS ""
635 #define MTD_OPTS ""
636 #define SD_OPTS ""
637
638 static int drive_init_func(QemuOpts *opts, void *opaque)
639 {
640 int *use_scsi = opaque;
641
642 return drive_init(opts, *use_scsi) == NULL;
643 }
644
645 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
646 {
647 if (NULL == qemu_opt_get(opts, "snapshot")) {
648 qemu_opt_set(opts, "snapshot", "on");
649 }
650 return 0;
651 }
652
653 static void default_drive(int enable, int snapshot, int use_scsi,
654 BlockInterfaceType type, int index,
655 const char *optstr)
656 {
657 QemuOpts *opts;
658
659 if (type == IF_DEFAULT) {
660 type = use_scsi ? IF_SCSI : IF_IDE;
661 }
662
663 if (!enable || drive_get_by_index(type, index)) {
664 return;
665 }
666
667 opts = drive_add(type, index, NULL, optstr);
668 if (snapshot) {
669 drive_enable_snapshot(opts, NULL);
670 }
671 if (!drive_init(opts, use_scsi)) {
672 exit(1);
673 }
674 }
675
676 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
677 {
678 boot_set_handler = func;
679 boot_set_opaque = opaque;
680 }
681
682 int qemu_boot_set(const char *boot_devices)
683 {
684 if (!boot_set_handler) {
685 return -EINVAL;
686 }
687 return boot_set_handler(boot_set_opaque, boot_devices);
688 }
689
690 static void validate_bootdevices(char *devices)
691 {
692 /* We just do some generic consistency checks */
693 const char *p;
694 int bitmap = 0;
695
696 for (p = devices; *p != '\0'; p++) {
697 /* Allowed boot devices are:
698 * a-b: floppy disk drives
699 * c-f: IDE disk drives
700 * g-m: machine implementation dependant drives
701 * n-p: network devices
702 * It's up to each machine implementation to check if the given boot
703 * devices match the actual hardware implementation and firmware
704 * features.
705 */
706 if (*p < 'a' || *p > 'p') {
707 fprintf(stderr, "Invalid boot device '%c'\n", *p);
708 exit(1);
709 }
710 if (bitmap & (1 << (*p - 'a'))) {
711 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
712 exit(1);
713 }
714 bitmap |= 1 << (*p - 'a');
715 }
716 }
717
718 static void restore_boot_devices(void *opaque)
719 {
720 char *standard_boot_devices = opaque;
721 static int first = 1;
722
723 /* Restore boot order and remove ourselves after the first boot */
724 if (first) {
725 first = 0;
726 return;
727 }
728
729 qemu_boot_set(standard_boot_devices);
730
731 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
732 qemu_free(standard_boot_devices);
733 }
734
735 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
736 const char *suffix)
737 {
738 FWBootEntry *node, *i;
739
740 if (bootindex < 0) {
741 return;
742 }
743
744 assert(dev != NULL || suffix != NULL);
745
746 node = qemu_mallocz(sizeof(FWBootEntry));
747 node->bootindex = bootindex;
748 node->suffix = suffix ? qemu_strdup(suffix) : NULL;
749 node->dev = dev;
750
751 QTAILQ_FOREACH(i, &fw_boot_order, link) {
752 if (i->bootindex == bootindex) {
753 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
754 exit(1);
755 } else if (i->bootindex < bootindex) {
756 continue;
757 }
758 QTAILQ_INSERT_BEFORE(i, node, link);
759 return;
760 }
761 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
762 }
763
764 /*
765 * This function returns null terminated string that consist of new line
766 * separated device paths.
767 *
768 * memory pointed by "size" is assigned total length of the array in bytes
769 *
770 */
771 char *get_boot_devices_list(uint32_t *size)
772 {
773 FWBootEntry *i;
774 uint32_t total = 0;
775 char *list = NULL;
776
777 QTAILQ_FOREACH(i, &fw_boot_order, link) {
778 char *devpath = NULL, *bootpath;
779 int len;
780
781 if (i->dev) {
782 devpath = qdev_get_fw_dev_path(i->dev);
783 assert(devpath);
784 }
785
786 if (i->suffix && devpath) {
787 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
788
789 bootpath = qemu_malloc(bootpathlen);
790 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
791 qemu_free(devpath);
792 } else if (devpath) {
793 bootpath = devpath;
794 } else {
795 bootpath = qemu_strdup(i->suffix);
796 assert(bootpath);
797 }
798
799 if (total) {
800 list[total-1] = '\n';
801 }
802 len = strlen(bootpath) + 1;
803 list = qemu_realloc(list, total + len);
804 memcpy(&list[total], bootpath, len);
805 total += len;
806 qemu_free(bootpath);
807 }
808
809 *size = total;
810
811 return list;
812 }
813
814 static void numa_add(const char *optarg)
815 {
816 char option[128];
817 char *endptr;
818 unsigned long long value, endvalue;
819 int nodenr;
820
821 optarg = get_opt_name(option, 128, optarg, ',') + 1;
822 if (!strcmp(option, "node")) {
823 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
824 nodenr = nb_numa_nodes;
825 } else {
826 nodenr = strtoull(option, NULL, 10);
827 }
828
829 if (get_param_value(option, 128, "mem", optarg) == 0) {
830 node_mem[nodenr] = 0;
831 } else {
832 int64_t sval;
833 sval = strtosz(option, NULL);
834 if (sval < 0) {
835 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
836 exit(1);
837 }
838 node_mem[nodenr] = sval;
839 }
840 if (get_param_value(option, 128, "cpus", optarg) == 0) {
841 node_cpumask[nodenr] = 0;
842 } else {
843 value = strtoull(option, &endptr, 10);
844 if (value >= 64) {
845 value = 63;
846 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
847 } else {
848 if (*endptr == '-') {
849 endvalue = strtoull(endptr+1, &endptr, 10);
850 if (endvalue >= 63) {
851 endvalue = 62;
852 fprintf(stderr,
853 "only 63 CPUs in NUMA mode supported.\n");
854 }
855 value = (2ULL << endvalue) - (1ULL << value);
856 } else {
857 value = 1ULL << value;
858 }
859 }
860 node_cpumask[nodenr] = value;
861 }
862 nb_numa_nodes++;
863 }
864 return;
865 }
866
867 static void smp_parse(const char *optarg)
868 {
869 int smp, sockets = 0, threads = 0, cores = 0;
870 char *endptr;
871 char option[128];
872
873 smp = strtoul(optarg, &endptr, 10);
874 if (endptr != optarg) {
875 if (*endptr == ',') {
876 endptr++;
877 }
878 }
879 if (get_param_value(option, 128, "sockets", endptr) != 0)
880 sockets = strtoull(option, NULL, 10);
881 if (get_param_value(option, 128, "cores", endptr) != 0)
882 cores = strtoull(option, NULL, 10);
883 if (get_param_value(option, 128, "threads", endptr) != 0)
884 threads = strtoull(option, NULL, 10);
885 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
886 max_cpus = strtoull(option, NULL, 10);
887
888 /* compute missing values, prefer sockets over cores over threads */
889 if (smp == 0 || sockets == 0) {
890 sockets = sockets > 0 ? sockets : 1;
891 cores = cores > 0 ? cores : 1;
892 threads = threads > 0 ? threads : 1;
893 if (smp == 0) {
894 smp = cores * threads * sockets;
895 }
896 } else {
897 if (cores == 0) {
898 threads = threads > 0 ? threads : 1;
899 cores = smp / (sockets * threads);
900 } else {
901 threads = smp / (cores * sockets);
902 }
903 }
904 smp_cpus = smp;
905 smp_cores = cores > 0 ? cores : 1;
906 smp_threads = threads > 0 ? threads : 1;
907 if (max_cpus == 0)
908 max_cpus = smp_cpus;
909 }
910
911 /***********************************************************/
912 /* USB devices */
913
914 static int usb_device_add(const char *devname)
915 {
916 const char *p;
917 USBDevice *dev = NULL;
918
919 if (!usb_enabled)
920 return -1;
921
922 /* drivers with .usbdevice_name entry in USBDeviceInfo */
923 dev = usbdevice_create(devname);
924 if (dev)
925 goto done;
926
927 /* the other ones */
928 #ifndef CONFIG_LINUX
929 /* only the linux version is qdev-ified, usb-bsd still needs this */
930 if (strstart(devname, "host:", &p)) {
931 dev = usb_host_device_open(p);
932 } else
933 #endif
934 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
935 dev = usb_bt_init(devname[2] ? hci_init(p) :
936 bt_new_hci(qemu_find_bt_vlan(0)));
937 } else {
938 return -1;
939 }
940 if (!dev)
941 return -1;
942
943 done:
944 return 0;
945 }
946
947 static int usb_device_del(const char *devname)
948 {
949 int bus_num, addr;
950 const char *p;
951
952 if (strstart(devname, "host:", &p))
953 return usb_host_device_close(p);
954
955 if (!usb_enabled)
956 return -1;
957
958 p = strchr(devname, '.');
959 if (!p)
960 return -1;
961 bus_num = strtoul(devname, NULL, 0);
962 addr = strtoul(p + 1, NULL, 0);
963
964 return usb_device_delete_addr(bus_num, addr);
965 }
966
967 static int usb_parse(const char *cmdline)
968 {
969 int r;
970 r = usb_device_add(cmdline);
971 if (r < 0) {
972 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
973 }
974 return r;
975 }
976
977 void do_usb_add(Monitor *mon, const QDict *qdict)
978 {
979 const char *devname = qdict_get_str(qdict, "devname");
980 if (usb_device_add(devname) < 0) {
981 error_report("could not add USB device '%s'", devname);
982 }
983 }
984
985 void do_usb_del(Monitor *mon, const QDict *qdict)
986 {
987 const char *devname = qdict_get_str(qdict, "devname");
988 if (usb_device_del(devname) < 0) {
989 error_report("could not delete USB device '%s'", devname);
990 }
991 }
992
993 /***********************************************************/
994 /* PCMCIA/Cardbus */
995
996 static struct pcmcia_socket_entry_s {
997 PCMCIASocket *socket;
998 struct pcmcia_socket_entry_s *next;
999 } *pcmcia_sockets = 0;
1000
1001 void pcmcia_socket_register(PCMCIASocket *socket)
1002 {
1003 struct pcmcia_socket_entry_s *entry;
1004
1005 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1006 entry->socket = socket;
1007 entry->next = pcmcia_sockets;
1008 pcmcia_sockets = entry;
1009 }
1010
1011 void pcmcia_socket_unregister(PCMCIASocket *socket)
1012 {
1013 struct pcmcia_socket_entry_s *entry, **ptr;
1014
1015 ptr = &pcmcia_sockets;
1016 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1017 if (entry->socket == socket) {
1018 *ptr = entry->next;
1019 qemu_free(entry);
1020 }
1021 }
1022
1023 void pcmcia_info(Monitor *mon)
1024 {
1025 struct pcmcia_socket_entry_s *iter;
1026
1027 if (!pcmcia_sockets)
1028 monitor_printf(mon, "No PCMCIA sockets\n");
1029
1030 for (iter = pcmcia_sockets; iter; iter = iter->next)
1031 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1032 iter->socket->attached ? iter->socket->card_string :
1033 "Empty");
1034 }
1035
1036 /***********************************************************/
1037 /* machine registration */
1038
1039 static QEMUMachine *first_machine = NULL;
1040 QEMUMachine *current_machine = NULL;
1041
1042 int qemu_register_machine(QEMUMachine *m)
1043 {
1044 QEMUMachine **pm;
1045 pm = &first_machine;
1046 while (*pm != NULL)
1047 pm = &(*pm)->next;
1048 m->next = NULL;
1049 *pm = m;
1050 return 0;
1051 }
1052
1053 static QEMUMachine *find_machine(const char *name)
1054 {
1055 QEMUMachine *m;
1056
1057 for(m = first_machine; m != NULL; m = m->next) {
1058 if (!strcmp(m->name, name))
1059 return m;
1060 if (m->alias && !strcmp(m->alias, name))
1061 return m;
1062 }
1063 return NULL;
1064 }
1065
1066 static QEMUMachine *find_default_machine(void)
1067 {
1068 QEMUMachine *m;
1069
1070 for(m = first_machine; m != NULL; m = m->next) {
1071 if (m->is_default) {
1072 return m;
1073 }
1074 }
1075 return NULL;
1076 }
1077
1078 /***********************************************************/
1079 /* main execution loop */
1080
1081 static void gui_update(void *opaque)
1082 {
1083 uint64_t interval = GUI_REFRESH_INTERVAL;
1084 DisplayState *ds = opaque;
1085 DisplayChangeListener *dcl = ds->listeners;
1086
1087 qemu_flush_coalesced_mmio_buffer();
1088 dpy_refresh(ds);
1089
1090 while (dcl != NULL) {
1091 if (dcl->gui_timer_interval &&
1092 dcl->gui_timer_interval < interval)
1093 interval = dcl->gui_timer_interval;
1094 dcl = dcl->next;
1095 }
1096 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1097 }
1098
1099 static void nographic_update(void *opaque)
1100 {
1101 uint64_t interval = GUI_REFRESH_INTERVAL;
1102
1103 qemu_flush_coalesced_mmio_buffer();
1104 qemu_mod_timer(nographic_timer, interval + qemu_get_clock_ms(rt_clock));
1105 }
1106
1107 struct vm_change_state_entry {
1108 VMChangeStateHandler *cb;
1109 void *opaque;
1110 QLIST_ENTRY (vm_change_state_entry) entries;
1111 };
1112
1113 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1114
1115 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1116 void *opaque)
1117 {
1118 VMChangeStateEntry *e;
1119
1120 e = qemu_mallocz(sizeof (*e));
1121
1122 e->cb = cb;
1123 e->opaque = opaque;
1124 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1125 return e;
1126 }
1127
1128 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1129 {
1130 QLIST_REMOVE (e, entries);
1131 qemu_free (e);
1132 }
1133
1134 void vm_state_notify(int running, int reason)
1135 {
1136 VMChangeStateEntry *e;
1137
1138 trace_vm_state_notify(running, reason);
1139
1140 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1141 e->cb(e->opaque, running, reason);
1142 }
1143 }
1144
1145 void vm_start(void)
1146 {
1147 if (!vm_running) {
1148 cpu_enable_ticks();
1149 vm_running = 1;
1150 vm_state_notify(1, 0);
1151 resume_all_vcpus();
1152 monitor_protocol_event(QEVENT_RESUME, NULL);
1153 }
1154 }
1155
1156 /* reset/shutdown handler */
1157
1158 typedef struct QEMUResetEntry {
1159 QTAILQ_ENTRY(QEMUResetEntry) entry;
1160 QEMUResetHandler *func;
1161 void *opaque;
1162 } QEMUResetEntry;
1163
1164 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1165 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1166 static int reset_requested;
1167 static int shutdown_requested, shutdown_signal = -1;
1168 static pid_t shutdown_pid;
1169 static int powerdown_requested;
1170 static int debug_requested;
1171 static int vmstop_requested;
1172
1173 int qemu_shutdown_requested_get(void)
1174 {
1175 return shutdown_requested;
1176 }
1177
1178 int qemu_reset_requested_get(void)
1179 {
1180 return reset_requested;
1181 }
1182
1183 int qemu_shutdown_requested(void)
1184 {
1185 int r = shutdown_requested;
1186 shutdown_requested = 0;
1187 return r;
1188 }
1189
1190 void qemu_kill_report(void)
1191 {
1192 if (shutdown_signal != -1) {
1193 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1194 if (shutdown_pid == 0) {
1195 /* This happens for eg ^C at the terminal, so it's worth
1196 * avoiding printing an odd message in that case.
1197 */
1198 fputc('\n', stderr);
1199 } else {
1200 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1201 }
1202 shutdown_signal = -1;
1203 }
1204 }
1205
1206 int qemu_reset_requested(void)
1207 {
1208 int r = reset_requested;
1209 reset_requested = 0;
1210 return r;
1211 }
1212
1213 int qemu_powerdown_requested(void)
1214 {
1215 int r = powerdown_requested;
1216 powerdown_requested = 0;
1217 return r;
1218 }
1219
1220 static int qemu_debug_requested(void)
1221 {
1222 int r = debug_requested;
1223 debug_requested = 0;
1224 return r;
1225 }
1226
1227 static int qemu_vmstop_requested(void)
1228 {
1229 int r = vmstop_requested;
1230 vmstop_requested = 0;
1231 return r;
1232 }
1233
1234 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1235 {
1236 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1237
1238 re->func = func;
1239 re->opaque = opaque;
1240 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1241 }
1242
1243 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1244 {
1245 QEMUResetEntry *re;
1246
1247 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1248 if (re->func == func && re->opaque == opaque) {
1249 QTAILQ_REMOVE(&reset_handlers, re, entry);
1250 qemu_free(re);
1251 return;
1252 }
1253 }
1254 }
1255
1256 void qemu_system_reset(bool report)
1257 {
1258 QEMUResetEntry *re, *nre;
1259
1260 /* reset all devices */
1261 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1262 re->func(re->opaque);
1263 }
1264 if (report) {
1265 monitor_protocol_event(QEVENT_RESET, NULL);
1266 }
1267 cpu_synchronize_all_post_reset();
1268 }
1269
1270 void qemu_system_reset_request(void)
1271 {
1272 if (no_reboot) {
1273 shutdown_requested = 1;
1274 } else {
1275 reset_requested = 1;
1276 }
1277 cpu_stop_current();
1278 qemu_notify_event();
1279 }
1280
1281 void qemu_system_killed(int signal, pid_t pid)
1282 {
1283 shutdown_signal = signal;
1284 shutdown_pid = pid;
1285 qemu_system_shutdown_request();
1286 }
1287
1288 void qemu_system_shutdown_request(void)
1289 {
1290 shutdown_requested = 1;
1291 qemu_notify_event();
1292 }
1293
1294 void qemu_system_powerdown_request(void)
1295 {
1296 powerdown_requested = 1;
1297 qemu_notify_event();
1298 }
1299
1300 void qemu_system_debug_request(void)
1301 {
1302 debug_requested = 1;
1303 qemu_notify_event();
1304 }
1305
1306 void qemu_system_vmstop_request(int reason)
1307 {
1308 vmstop_requested = reason;
1309 qemu_notify_event();
1310 }
1311
1312 void main_loop_wait(int nonblocking)
1313 {
1314 fd_set rfds, wfds, xfds;
1315 int ret, nfds;
1316 struct timeval tv;
1317 int timeout;
1318
1319 if (nonblocking)
1320 timeout = 0;
1321 else {
1322 timeout = qemu_calculate_timeout();
1323 qemu_bh_update_timeout(&timeout);
1324 }
1325
1326 os_host_main_loop_wait(&timeout);
1327
1328 tv.tv_sec = timeout / 1000;
1329 tv.tv_usec = (timeout % 1000) * 1000;
1330
1331 /* poll any events */
1332 /* XXX: separate device handlers from system ones */
1333 nfds = -1;
1334 FD_ZERO(&rfds);
1335 FD_ZERO(&wfds);
1336 FD_ZERO(&xfds);
1337 qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1338 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1339
1340 qemu_mutex_unlock_iothread();
1341 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1342 qemu_mutex_lock_iothread();
1343
1344 qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1345 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1346
1347 qemu_run_all_timers();
1348
1349 /* Check bottom-halves last in case any of the earlier events triggered
1350 them. */
1351 qemu_bh_poll();
1352
1353 }
1354
1355 #ifndef CONFIG_IOTHREAD
1356 static int vm_request_pending(void)
1357 {
1358 return powerdown_requested ||
1359 reset_requested ||
1360 shutdown_requested ||
1361 debug_requested ||
1362 vmstop_requested;
1363 }
1364 #endif
1365
1366 qemu_irq qemu_system_powerdown;
1367
1368 static void main_loop(void)
1369 {
1370 bool nonblocking = false;
1371 #ifdef CONFIG_PROFILER
1372 int64_t ti;
1373 #endif
1374 int r;
1375
1376 qemu_main_loop_start();
1377
1378 for (;;) {
1379 #ifndef CONFIG_IOTHREAD
1380 nonblocking = cpu_exec_all();
1381 if (vm_request_pending()) {
1382 nonblocking = true;
1383 }
1384 #endif
1385 #ifdef CONFIG_PROFILER
1386 ti = profile_getclock();
1387 #endif
1388 main_loop_wait(nonblocking);
1389 #ifdef CONFIG_PROFILER
1390 dev_time += profile_getclock() - ti;
1391 #endif
1392
1393 if (qemu_debug_requested()) {
1394 vm_stop(VMSTOP_DEBUG);
1395 }
1396 if (qemu_shutdown_requested()) {
1397 qemu_kill_report();
1398 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1399 if (no_shutdown) {
1400 vm_stop(VMSTOP_SHUTDOWN);
1401 no_shutdown = 0;
1402 } else
1403 break;
1404 }
1405 if (qemu_reset_requested()) {
1406 pause_all_vcpus();
1407 cpu_synchronize_all_states();
1408 qemu_system_reset(VMRESET_REPORT);
1409 resume_all_vcpus();
1410 }
1411 if (qemu_powerdown_requested()) {
1412 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1413 qemu_irq_raise(qemu_system_powerdown);
1414 }
1415 if ((r = qemu_vmstop_requested())) {
1416 vm_stop(r);
1417 }
1418 }
1419 bdrv_close_all();
1420 pause_all_vcpus();
1421 }
1422
1423 static void version(void)
1424 {
1425 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1426 }
1427
1428 static void help(int exitcode)
1429 {
1430 const char *options_help =
1431 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1432 opt_help
1433 #define DEFHEADING(text) stringify(text) "\n"
1434 #include "qemu-options.def"
1435 #undef DEF
1436 #undef DEFHEADING
1437 #undef GEN_DOCS
1438 ;
1439 version();
1440 printf("usage: %s [options] [disk_image]\n"
1441 "\n"
1442 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1443 "\n"
1444 "%s\n"
1445 "During emulation, the following keys are useful:\n"
1446 "ctrl-alt-f toggle full screen\n"
1447 "ctrl-alt-n switch to virtual console 'n'\n"
1448 "ctrl-alt toggle mouse and keyboard grab\n"
1449 "\n"
1450 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1451 "qemu",
1452 options_help);
1453 exit(exitcode);
1454 }
1455
1456 #define HAS_ARG 0x0001
1457
1458 typedef struct QEMUOption {
1459 const char *name;
1460 int flags;
1461 int index;
1462 uint32_t arch_mask;
1463 } QEMUOption;
1464
1465 static const QEMUOption qemu_options[] = {
1466 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1467 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1468 { option, opt_arg, opt_enum, arch_mask },
1469 #define DEFHEADING(text)
1470 #include "qemu-options.def"
1471 #undef DEF
1472 #undef DEFHEADING
1473 #undef GEN_DOCS
1474 { NULL },
1475 };
1476 static void select_vgahw (const char *p)
1477 {
1478 const char *opts;
1479
1480 default_vga = 0;
1481 vga_interface_type = VGA_NONE;
1482 if (strstart(p, "std", &opts)) {
1483 vga_interface_type = VGA_STD;
1484 } else if (strstart(p, "cirrus", &opts)) {
1485 vga_interface_type = VGA_CIRRUS;
1486 } else if (strstart(p, "vmware", &opts)) {
1487 vga_interface_type = VGA_VMWARE;
1488 } else if (strstart(p, "xenfb", &opts)) {
1489 vga_interface_type = VGA_XENFB;
1490 } else if (strstart(p, "qxl", &opts)) {
1491 vga_interface_type = VGA_QXL;
1492 } else if (!strstart(p, "none", &opts)) {
1493 invalid_vga:
1494 fprintf(stderr, "Unknown vga type: %s\n", p);
1495 exit(1);
1496 }
1497 while (*opts) {
1498 const char *nextopt;
1499
1500 if (strstart(opts, ",retrace=", &nextopt)) {
1501 opts = nextopt;
1502 if (strstart(opts, "dumb", &nextopt))
1503 vga_retrace_method = VGA_RETRACE_DUMB;
1504 else if (strstart(opts, "precise", &nextopt))
1505 vga_retrace_method = VGA_RETRACE_PRECISE;
1506 else goto invalid_vga;
1507 } else goto invalid_vga;
1508 opts = nextopt;
1509 }
1510 }
1511
1512 static DisplayType select_display(const char *p)
1513 {
1514 const char *opts;
1515 DisplayType display = DT_DEFAULT;
1516
1517 if (strstart(p, "sdl", &opts)) {
1518 #ifdef CONFIG_SDL
1519 display = DT_SDL;
1520 while (*opts) {
1521 const char *nextopt;
1522
1523 if (strstart(opts, ",frame=", &nextopt)) {
1524 opts = nextopt;
1525 if (strstart(opts, "on", &nextopt)) {
1526 no_frame = 0;
1527 } else if (strstart(opts, "off", &nextopt)) {
1528 no_frame = 1;
1529 } else {
1530 goto invalid_sdl_args;
1531 }
1532 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1533 opts = nextopt;
1534 if (strstart(opts, "on", &nextopt)) {
1535 alt_grab = 1;
1536 } else if (strstart(opts, "off", &nextopt)) {
1537 alt_grab = 0;
1538 } else {
1539 goto invalid_sdl_args;
1540 }
1541 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1542 opts = nextopt;
1543 if (strstart(opts, "on", &nextopt)) {
1544 ctrl_grab = 1;
1545 } else if (strstart(opts, "off", &nextopt)) {
1546 ctrl_grab = 0;
1547 } else {
1548 goto invalid_sdl_args;
1549 }
1550 } else if (strstart(opts, ",window_close=", &nextopt)) {
1551 opts = nextopt;
1552 if (strstart(opts, "on", &nextopt)) {
1553 no_quit = 0;
1554 } else if (strstart(opts, "off", &nextopt)) {
1555 no_quit = 1;
1556 } else {
1557 goto invalid_sdl_args;
1558 }
1559 } else {
1560 invalid_sdl_args:
1561 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1562 exit(1);
1563 }
1564 opts = nextopt;
1565 }
1566 #else
1567 fprintf(stderr, "SDL support is disabled\n");
1568 exit(1);
1569 #endif
1570 } else if (strstart(p, "vnc", &opts)) {
1571 #ifdef CONFIG_VNC
1572 display_remote++;
1573
1574 if (*opts) {
1575 const char *nextopt;
1576
1577 if (strstart(opts, "=", &nextopt)) {
1578 vnc_display = nextopt;
1579 }
1580 }
1581 if (!vnc_display) {
1582 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1583 exit(1);
1584 }
1585 #else
1586 fprintf(stderr, "VNC support is disabled\n");
1587 exit(1);
1588 #endif
1589 } else if (strstart(p, "curses", &opts)) {
1590 #ifdef CONFIG_CURSES
1591 display = DT_CURSES;
1592 #else
1593 fprintf(stderr, "Curses support is disabled\n");
1594 exit(1);
1595 #endif
1596 } else if (strstart(p, "none", &opts)) {
1597 display = DT_NONE;
1598 } else {
1599 fprintf(stderr, "Unknown display type: %s\n", p);
1600 exit(1);
1601 }
1602
1603 return display;
1604 }
1605
1606 static int balloon_parse(const char *arg)
1607 {
1608 QemuOpts *opts;
1609
1610 if (strcmp(arg, "none") == 0) {
1611 return 0;
1612 }
1613
1614 if (!strncmp(arg, "virtio", 6)) {
1615 if (arg[6] == ',') {
1616 /* have params -> parse them */
1617 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1618 if (!opts)
1619 return -1;
1620 } else {
1621 /* create empty opts */
1622 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1623 }
1624 qemu_opt_set(opts, "driver", "virtio-balloon");
1625 return 0;
1626 }
1627
1628 return -1;
1629 }
1630
1631 char *qemu_find_file(int type, const char *name)
1632 {
1633 int len;
1634 const char *subdir;
1635 char *buf;
1636
1637 /* If name contains path separators then try it as a straight path. */
1638 if ((strchr(name, '/') || strchr(name, '\\'))
1639 && access(name, R_OK) == 0) {
1640 return qemu_strdup(name);
1641 }
1642 switch (type) {
1643 case QEMU_FILE_TYPE_BIOS:
1644 subdir = "";
1645 break;
1646 case QEMU_FILE_TYPE_KEYMAP:
1647 subdir = "keymaps/";
1648 break;
1649 default:
1650 abort();
1651 }
1652 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1653 buf = qemu_mallocz(len);
1654 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1655 if (access(buf, R_OK)) {
1656 qemu_free(buf);
1657 return NULL;
1658 }
1659 return buf;
1660 }
1661
1662 static int device_help_func(QemuOpts *opts, void *opaque)
1663 {
1664 return qdev_device_help(opts);
1665 }
1666
1667 static int device_init_func(QemuOpts *opts, void *opaque)
1668 {
1669 DeviceState *dev;
1670
1671 dev = qdev_device_add(opts);
1672 if (!dev)
1673 return -1;
1674 return 0;
1675 }
1676
1677 static int chardev_init_func(QemuOpts *opts, void *opaque)
1678 {
1679 CharDriverState *chr;
1680
1681 chr = qemu_chr_open_opts(opts, NULL);
1682 if (!chr)
1683 return -1;
1684 return 0;
1685 }
1686
1687 #ifdef CONFIG_VIRTFS
1688 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1689 {
1690 int ret;
1691 ret = qemu_fsdev_add(opts);
1692
1693 return ret;
1694 }
1695 #endif
1696
1697 static int mon_init_func(QemuOpts *opts, void *opaque)
1698 {
1699 CharDriverState *chr;
1700 const char *chardev;
1701 const char *mode;
1702 int flags;
1703
1704 mode = qemu_opt_get(opts, "mode");
1705 if (mode == NULL) {
1706 mode = "readline";
1707 }
1708 if (strcmp(mode, "readline") == 0) {
1709 flags = MONITOR_USE_READLINE;
1710 } else if (strcmp(mode, "control") == 0) {
1711 flags = MONITOR_USE_CONTROL;
1712 } else {
1713 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1714 exit(1);
1715 }
1716
1717 if (qemu_opt_get_bool(opts, "pretty", 0))
1718 flags |= MONITOR_USE_PRETTY;
1719
1720 if (qemu_opt_get_bool(opts, "default", 0))
1721 flags |= MONITOR_IS_DEFAULT;
1722
1723 chardev = qemu_opt_get(opts, "chardev");
1724 chr = qemu_chr_find(chardev);
1725 if (chr == NULL) {
1726 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1727 exit(1);
1728 }
1729
1730 monitor_init(chr, flags);
1731 return 0;
1732 }
1733
1734 static void monitor_parse(const char *optarg, const char *mode)
1735 {
1736 static int monitor_device_index = 0;
1737 QemuOpts *opts;
1738 const char *p;
1739 char label[32];
1740 int def = 0;
1741
1742 if (strstart(optarg, "chardev:", &p)) {
1743 snprintf(label, sizeof(label), "%s", p);
1744 } else {
1745 snprintf(label, sizeof(label), "compat_monitor%d",
1746 monitor_device_index);
1747 if (monitor_device_index == 0) {
1748 def = 1;
1749 }
1750 opts = qemu_chr_parse_compat(label, optarg);
1751 if (!opts) {
1752 fprintf(stderr, "parse error: %s\n", optarg);
1753 exit(1);
1754 }
1755 }
1756
1757 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1758 if (!opts) {
1759 fprintf(stderr, "duplicate chardev: %s\n", label);
1760 exit(1);
1761 }
1762 qemu_opt_set(opts, "mode", mode);
1763 qemu_opt_set(opts, "chardev", label);
1764 if (def)
1765 qemu_opt_set(opts, "default", "on");
1766 monitor_device_index++;
1767 }
1768
1769 struct device_config {
1770 enum {
1771 DEV_USB, /* -usbdevice */
1772 DEV_BT, /* -bt */
1773 DEV_SERIAL, /* -serial */
1774 DEV_PARALLEL, /* -parallel */
1775 DEV_VIRTCON, /* -virtioconsole */
1776 DEV_DEBUGCON, /* -debugcon */
1777 } type;
1778 const char *cmdline;
1779 QTAILQ_ENTRY(device_config) next;
1780 };
1781 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1782
1783 static void add_device_config(int type, const char *cmdline)
1784 {
1785 struct device_config *conf;
1786
1787 conf = qemu_mallocz(sizeof(*conf));
1788 conf->type = type;
1789 conf->cmdline = cmdline;
1790 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1791 }
1792
1793 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1794 {
1795 struct device_config *conf;
1796 int rc;
1797
1798 QTAILQ_FOREACH(conf, &device_configs, next) {
1799 if (conf->type != type)
1800 continue;
1801 rc = func(conf->cmdline);
1802 if (0 != rc)
1803 return rc;
1804 }
1805 return 0;
1806 }
1807
1808 static int serial_parse(const char *devname)
1809 {
1810 static int index = 0;
1811 char label[32];
1812
1813 if (strcmp(devname, "none") == 0)
1814 return 0;
1815 if (index == MAX_SERIAL_PORTS) {
1816 fprintf(stderr, "qemu: too many serial ports\n");
1817 exit(1);
1818 }
1819 snprintf(label, sizeof(label), "serial%d", index);
1820 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1821 if (!serial_hds[index]) {
1822 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1823 devname, strerror(errno));
1824 return -1;
1825 }
1826 index++;
1827 return 0;
1828 }
1829
1830 static int parallel_parse(const char *devname)
1831 {
1832 static int index = 0;
1833 char label[32];
1834
1835 if (strcmp(devname, "none") == 0)
1836 return 0;
1837 if (index == MAX_PARALLEL_PORTS) {
1838 fprintf(stderr, "qemu: too many parallel ports\n");
1839 exit(1);
1840 }
1841 snprintf(label, sizeof(label), "parallel%d", index);
1842 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1843 if (!parallel_hds[index]) {
1844 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1845 devname, strerror(errno));
1846 return -1;
1847 }
1848 index++;
1849 return 0;
1850 }
1851
1852 static int virtcon_parse(const char *devname)
1853 {
1854 QemuOptsList *device = qemu_find_opts("device");
1855 static int index = 0;
1856 char label[32];
1857 QemuOpts *bus_opts, *dev_opts;
1858
1859 if (strcmp(devname, "none") == 0)
1860 return 0;
1861 if (index == MAX_VIRTIO_CONSOLES) {
1862 fprintf(stderr, "qemu: too many virtio consoles\n");
1863 exit(1);
1864 }
1865
1866 bus_opts = qemu_opts_create(device, NULL, 0);
1867 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1868
1869 dev_opts = qemu_opts_create(device, NULL, 0);
1870 qemu_opt_set(dev_opts, "driver", "virtconsole");
1871
1872 snprintf(label, sizeof(label), "virtcon%d", index);
1873 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1874 if (!virtcon_hds[index]) {
1875 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1876 devname, strerror(errno));
1877 return -1;
1878 }
1879 qemu_opt_set(dev_opts, "chardev", label);
1880
1881 index++;
1882 return 0;
1883 }
1884
1885 static int debugcon_parse(const char *devname)
1886 {
1887 QemuOpts *opts;
1888
1889 if (!qemu_chr_open("debugcon", devname, NULL)) {
1890 exit(1);
1891 }
1892 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1893 if (!opts) {
1894 fprintf(stderr, "qemu: already have a debugcon device\n");
1895 exit(1);
1896 }
1897 qemu_opt_set(opts, "driver", "isa-debugcon");
1898 qemu_opt_set(opts, "chardev", "debugcon");
1899 return 0;
1900 }
1901
1902 static int tcg_init(void)
1903 {
1904 return 0;
1905 }
1906
1907 static struct {
1908 const char *opt_name;
1909 const char *name;
1910 int (*available)(void);
1911 int (*init)(void);
1912 int *allowed;
1913 } accel_list[] = {
1914 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
1915 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
1916 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
1917 };
1918
1919 static int configure_accelerator(void)
1920 {
1921 const char *p = NULL;
1922 char buf[10];
1923 int i, ret;
1924 bool accel_initalised = 0;
1925 bool init_failed = 0;
1926
1927 QemuOptsList *list = qemu_find_opts("machine");
1928 if (!QTAILQ_EMPTY(&list->head)) {
1929 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
1930 }
1931
1932 if (p == NULL) {
1933 /* Use the default "accelerator", tcg */
1934 p = "tcg";
1935 }
1936
1937 while (!accel_initalised && *p != '\0') {
1938 if (*p == ':') {
1939 p++;
1940 }
1941 p = get_opt_name(buf, sizeof (buf), p, ':');
1942 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
1943 if (strcmp(accel_list[i].opt_name, buf) == 0) {
1944 *(accel_list[i].allowed) = 1;
1945 ret = accel_list[i].init();
1946 if (ret < 0) {
1947 init_failed = 1;
1948 if (!accel_list[i].available()) {
1949 printf("%s not supported for this target\n",
1950 accel_list[i].name);
1951 } else {
1952 fprintf(stderr, "failed to initialize %s: %s\n",
1953 accel_list[i].name,
1954 strerror(-ret));
1955 }
1956 *(accel_list[i].allowed) = 0;
1957 } else {
1958 accel_initalised = 1;
1959 }
1960 break;
1961 }
1962 }
1963 if (i == ARRAY_SIZE(accel_list)) {
1964 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
1965 }
1966 }
1967
1968 if (!accel_initalised) {
1969 fprintf(stderr, "No accelerator found!\n");
1970 exit(1);
1971 }
1972
1973 if (init_failed) {
1974 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
1975 }
1976
1977 return !accel_initalised;
1978 }
1979
1980 void qemu_add_exit_notifier(Notifier *notify)
1981 {
1982 notifier_list_add(&exit_notifiers, notify);
1983 }
1984
1985 void qemu_remove_exit_notifier(Notifier *notify)
1986 {
1987 notifier_list_remove(&exit_notifiers, notify);
1988 }
1989
1990 static void qemu_run_exit_notifiers(void)
1991 {
1992 notifier_list_notify(&exit_notifiers);
1993 }
1994
1995 void qemu_add_machine_init_done_notifier(Notifier *notify)
1996 {
1997 notifier_list_add(&machine_init_done_notifiers, notify);
1998 }
1999
2000 static void qemu_run_machine_init_done_notifiers(void)
2001 {
2002 notifier_list_notify(&machine_init_done_notifiers);
2003 }
2004
2005 static const QEMUOption *lookup_opt(int argc, char **argv,
2006 const char **poptarg, int *poptind)
2007 {
2008 const QEMUOption *popt;
2009 int optind = *poptind;
2010 char *r = argv[optind];
2011 const char *optarg;
2012
2013 loc_set_cmdline(argv, optind, 1);
2014 optind++;
2015 /* Treat --foo the same as -foo. */
2016 if (r[1] == '-')
2017 r++;
2018 popt = qemu_options;
2019 for(;;) {
2020 if (!popt->name) {
2021 error_report("invalid option");
2022 exit(1);
2023 }
2024 if (!strcmp(popt->name, r + 1))
2025 break;
2026 popt++;
2027 }
2028 if (popt->flags & HAS_ARG) {
2029 if (optind >= argc) {
2030 error_report("requires an argument");
2031 exit(1);
2032 }
2033 optarg = argv[optind++];
2034 loc_set_cmdline(argv, optind - 2, 2);
2035 } else {
2036 optarg = NULL;
2037 }
2038
2039 *poptarg = optarg;
2040 *poptind = optind;
2041
2042 return popt;
2043 }
2044
2045 int main(int argc, char **argv, char **envp)
2046 {
2047 const char *gdbstub_dev = NULL;
2048 int i;
2049 int snapshot, linux_boot;
2050 const char *icount_option = NULL;
2051 const char *initrd_filename;
2052 const char *kernel_filename, *kernel_cmdline;
2053 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2054 DisplayState *ds;
2055 DisplayChangeListener *dcl;
2056 int cyls, heads, secs, translation;
2057 QemuOpts *hda_opts = NULL, *opts;
2058 QemuOptsList *olist;
2059 int optind;
2060 const char *optarg;
2061 const char *loadvm = NULL;
2062 QEMUMachine *machine;
2063 const char *cpu_model;
2064 int tb_size;
2065 const char *pid_file = NULL;
2066 const char *incoming = NULL;
2067 #ifdef CONFIG_VNC
2068 int show_vnc_port = 0;
2069 #endif
2070 int defconfig = 1;
2071 const char *trace_file = NULL;
2072 const char *log_mask = NULL;
2073 const char *log_file = NULL;
2074
2075 atexit(qemu_run_exit_notifiers);
2076 error_set_progname(argv[0]);
2077
2078 init_clocks();
2079
2080 qemu_cache_utils_init(envp);
2081
2082 QLIST_INIT (&vm_change_state_head);
2083 os_setup_early_signal_handling();
2084
2085 module_call_init(MODULE_INIT_MACHINE);
2086 machine = find_default_machine();
2087 cpu_model = NULL;
2088 initrd_filename = NULL;
2089 ram_size = 0;
2090 snapshot = 0;
2091 kernel_filename = NULL;
2092 kernel_cmdline = "";
2093 cyls = heads = secs = 0;
2094 translation = BIOS_ATA_TRANSLATION_AUTO;
2095
2096 for (i = 0; i < MAX_NODES; i++) {
2097 node_mem[i] = 0;
2098 node_cpumask[i] = 0;
2099 }
2100
2101 nb_numa_nodes = 0;
2102 nb_nics = 0;
2103
2104 tb_size = 0;
2105 autostart= 1;
2106
2107 /* first pass of option parsing */
2108 optind = 1;
2109 while (optind < argc) {
2110 if (argv[optind][0] != '-') {
2111 /* disk image */
2112 optind++;
2113 continue;
2114 } else {
2115 const QEMUOption *popt;
2116
2117 popt = lookup_opt(argc, argv, &optarg, &optind);
2118 switch (popt->index) {
2119 case QEMU_OPTION_nodefconfig:
2120 defconfig=0;
2121 break;
2122 }
2123 }
2124 }
2125
2126 if (defconfig) {
2127 int ret;
2128
2129 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2130 if (ret < 0 && ret != -ENOENT) {
2131 exit(1);
2132 }
2133
2134 ret = qemu_read_config_file(arch_config_name);
2135 if (ret < 0 && ret != -ENOENT) {
2136 exit(1);
2137 }
2138 }
2139 cpudef_init();
2140
2141 /* second pass of option parsing */
2142 optind = 1;
2143 for(;;) {
2144 if (optind >= argc)
2145 break;
2146 if (argv[optind][0] != '-') {
2147 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2148 } else {
2149 const QEMUOption *popt;
2150
2151 popt = lookup_opt(argc, argv, &optarg, &optind);
2152 if (!(popt->arch_mask & arch_type)) {
2153 printf("Option %s not supported for this target\n", popt->name);
2154 exit(1);
2155 }
2156 switch(popt->index) {
2157 case QEMU_OPTION_M:
2158 machine = find_machine(optarg);
2159 if (!machine) {
2160 QEMUMachine *m;
2161 printf("Supported machines are:\n");
2162 for(m = first_machine; m != NULL; m = m->next) {
2163 if (m->alias)
2164 printf("%-10s %s (alias of %s)\n",
2165 m->alias, m->desc, m->name);
2166 printf("%-10s %s%s\n",
2167 m->name, m->desc,
2168 m->is_default ? " (default)" : "");
2169 }
2170 exit(*optarg != '?');
2171 }
2172 break;
2173 case QEMU_OPTION_cpu:
2174 /* hw initialization will check this */
2175 if (*optarg == '?') {
2176 list_cpus(stdout, &fprintf, optarg);
2177 exit(0);
2178 } else {
2179 cpu_model = optarg;
2180 }
2181 break;
2182 case QEMU_OPTION_initrd:
2183 initrd_filename = optarg;
2184 break;
2185 case QEMU_OPTION_hda:
2186 {
2187 char buf[256];
2188 if (cyls == 0)
2189 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2190 else
2191 snprintf(buf, sizeof(buf),
2192 "%s,cyls=%d,heads=%d,secs=%d%s",
2193 HD_OPTS , cyls, heads, secs,
2194 translation == BIOS_ATA_TRANSLATION_LBA ?
2195 ",trans=lba" :
2196 translation == BIOS_ATA_TRANSLATION_NONE ?
2197 ",trans=none" : "");
2198 drive_add(IF_DEFAULT, 0, optarg, buf);
2199 break;
2200 }
2201 case QEMU_OPTION_hdb:
2202 case QEMU_OPTION_hdc:
2203 case QEMU_OPTION_hdd:
2204 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2205 HD_OPTS);
2206 break;
2207 case QEMU_OPTION_drive:
2208 if (drive_def(optarg) == NULL) {
2209 exit(1);
2210 }
2211 break;
2212 case QEMU_OPTION_set:
2213 if (qemu_set_option(optarg) != 0)
2214 exit(1);
2215 break;
2216 case QEMU_OPTION_global:
2217 if (qemu_global_option(optarg) != 0)
2218 exit(1);
2219 break;
2220 case QEMU_OPTION_mtdblock:
2221 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2222 break;
2223 case QEMU_OPTION_sd:
2224 drive_add(IF_SD, 0, optarg, SD_OPTS);
2225 break;
2226 case QEMU_OPTION_pflash:
2227 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2228 break;
2229 case QEMU_OPTION_snapshot:
2230 snapshot = 1;
2231 break;
2232 case QEMU_OPTION_hdachs:
2233 {
2234 const char *p;
2235 p = optarg;
2236 cyls = strtol(p, (char **)&p, 0);
2237 if (cyls < 1 || cyls > 16383)
2238 goto chs_fail;
2239 if (*p != ',')
2240 goto chs_fail;
2241 p++;
2242 heads = strtol(p, (char **)&p, 0);
2243 if (heads < 1 || heads > 16)
2244 goto chs_fail;
2245 if (*p != ',')
2246 goto chs_fail;
2247 p++;
2248 secs = strtol(p, (char **)&p, 0);
2249 if (secs < 1 || secs > 63)
2250 goto chs_fail;
2251 if (*p == ',') {
2252 p++;
2253 if (!strcmp(p, "none"))
2254 translation = BIOS_ATA_TRANSLATION_NONE;
2255 else if (!strcmp(p, "lba"))
2256 translation = BIOS_ATA_TRANSLATION_LBA;
2257 else if (!strcmp(p, "auto"))
2258 translation = BIOS_ATA_TRANSLATION_AUTO;
2259 else
2260 goto chs_fail;
2261 } else if (*p != '\0') {
2262 chs_fail:
2263 fprintf(stderr, "qemu: invalid physical CHS format\n");
2264 exit(1);
2265 }
2266 if (hda_opts != NULL) {
2267 char num[16];
2268 snprintf(num, sizeof(num), "%d", cyls);
2269 qemu_opt_set(hda_opts, "cyls", num);
2270 snprintf(num, sizeof(num), "%d", heads);
2271 qemu_opt_set(hda_opts, "heads", num);
2272 snprintf(num, sizeof(num), "%d", secs);
2273 qemu_opt_set(hda_opts, "secs", num);
2274 if (translation == BIOS_ATA_TRANSLATION_LBA)
2275 qemu_opt_set(hda_opts, "trans", "lba");
2276 if (translation == BIOS_ATA_TRANSLATION_NONE)
2277 qemu_opt_set(hda_opts, "trans", "none");
2278 }
2279 }
2280 break;
2281 case QEMU_OPTION_numa:
2282 if (nb_numa_nodes >= MAX_NODES) {
2283 fprintf(stderr, "qemu: too many NUMA nodes\n");
2284 exit(1);
2285 }
2286 numa_add(optarg);
2287 break;
2288 case QEMU_OPTION_display:
2289 display_type = select_display(optarg);
2290 break;
2291 case QEMU_OPTION_nographic:
2292 display_type = DT_NOGRAPHIC;
2293 break;
2294 case QEMU_OPTION_curses:
2295 #ifdef CONFIG_CURSES
2296 display_type = DT_CURSES;
2297 #else
2298 fprintf(stderr, "Curses support is disabled\n");
2299 exit(1);
2300 #endif
2301 break;
2302 case QEMU_OPTION_portrait:
2303 graphic_rotate = 90;
2304 break;
2305 case QEMU_OPTION_rotate:
2306 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2307 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2308 graphic_rotate != 180 && graphic_rotate != 270) {
2309 fprintf(stderr,
2310 "qemu: only 90, 180, 270 deg rotation is available\n");
2311 exit(1);
2312 }
2313 break;
2314 case QEMU_OPTION_kernel:
2315 kernel_filename = optarg;
2316 break;
2317 case QEMU_OPTION_append:
2318 kernel_cmdline = optarg;
2319 break;
2320 case QEMU_OPTION_cdrom:
2321 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2322 break;
2323 case QEMU_OPTION_boot:
2324 {
2325 static const char * const params[] = {
2326 "order", "once", "menu", NULL
2327 };
2328 char buf[sizeof(boot_devices)];
2329 char *standard_boot_devices;
2330 int legacy = 0;
2331
2332 if (!strchr(optarg, '=')) {
2333 legacy = 1;
2334 pstrcpy(buf, sizeof(buf), optarg);
2335 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2336 fprintf(stderr,
2337 "qemu: unknown boot parameter '%s' in '%s'\n",
2338 buf, optarg);
2339 exit(1);
2340 }
2341
2342 if (legacy ||
2343 get_param_value(buf, sizeof(buf), "order", optarg)) {
2344 validate_bootdevices(buf);
2345 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2346 }
2347 if (!legacy) {
2348 if (get_param_value(buf, sizeof(buf),
2349 "once", optarg)) {
2350 validate_bootdevices(buf);
2351 standard_boot_devices = qemu_strdup(boot_devices);
2352 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2353 qemu_register_reset(restore_boot_devices,
2354 standard_boot_devices);
2355 }
2356 if (get_param_value(buf, sizeof(buf),
2357 "menu", optarg)) {
2358 if (!strcmp(buf, "on")) {
2359 boot_menu = 1;
2360 } else if (!strcmp(buf, "off")) {
2361 boot_menu = 0;
2362 } else {
2363 fprintf(stderr,
2364 "qemu: invalid option value '%s'\n",
2365 buf);
2366 exit(1);
2367 }
2368 }
2369 }
2370 }
2371 break;
2372 case QEMU_OPTION_fda:
2373 case QEMU_OPTION_fdb:
2374 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2375 optarg, FD_OPTS);
2376 break;
2377 case QEMU_OPTION_no_fd_bootchk:
2378 fd_bootchk = 0;
2379 break;
2380 case QEMU_OPTION_netdev:
2381 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2382 exit(1);
2383 }
2384 break;
2385 case QEMU_OPTION_net:
2386 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2387 exit(1);
2388 }
2389 break;
2390 #ifdef CONFIG_SLIRP
2391 case QEMU_OPTION_tftp:
2392 legacy_tftp_prefix = optarg;
2393 break;
2394 case QEMU_OPTION_bootp:
2395 legacy_bootp_filename = optarg;
2396 break;
2397 case QEMU_OPTION_redir:
2398 if (net_slirp_redir(optarg) < 0)
2399 exit(1);
2400 break;
2401 #endif
2402 case QEMU_OPTION_bt:
2403 add_device_config(DEV_BT, optarg);
2404 break;
2405 case QEMU_OPTION_audio_help:
2406 if (!(audio_available())) {
2407 printf("Option %s not supported for this target\n", popt->name);
2408 exit(1);
2409 }
2410 AUD_help ();
2411 exit (0);
2412 break;
2413 case QEMU_OPTION_soundhw:
2414 if (!(audio_available())) {
2415 printf("Option %s not supported for this target\n", popt->name);
2416 exit(1);
2417 }
2418 select_soundhw (optarg);
2419 break;
2420 case QEMU_OPTION_h:
2421 help(0);
2422 break;
2423 case QEMU_OPTION_version:
2424 version();
2425 exit(0);
2426 break;
2427 case QEMU_OPTION_m: {
2428 int64_t value;
2429
2430 value = strtosz(optarg, NULL);
2431 if (value < 0) {
2432 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2433 exit(1);
2434 }
2435
2436 /* On 32-bit hosts, QEMU is limited by virtual address space */
2437 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2438 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2439 exit(1);
2440 }
2441 if (value != (uint64_t)(ram_addr_t)value) {
2442 fprintf(stderr, "qemu: ram size too large\n");
2443 exit(1);
2444 }
2445 ram_size = value;
2446 break;
2447 }
2448 case QEMU_OPTION_mempath:
2449 mem_path = optarg;
2450 break;
2451 #ifdef MAP_POPULATE
2452 case QEMU_OPTION_mem_prealloc:
2453 mem_prealloc = 1;
2454 break;
2455 #endif
2456 case QEMU_OPTION_d:
2457 log_mask = optarg;
2458 break;
2459 case QEMU_OPTION_D:
2460 log_file = optarg;
2461 break;
2462 case QEMU_OPTION_s:
2463 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2464 break;
2465 case QEMU_OPTION_gdb:
2466 gdbstub_dev = optarg;
2467 break;
2468 case QEMU_OPTION_L:
2469 data_dir = optarg;
2470 break;
2471 case QEMU_OPTION_bios:
2472 bios_name = optarg;
2473 break;
2474 case QEMU_OPTION_singlestep:
2475 singlestep = 1;
2476 break;
2477 case QEMU_OPTION_S:
2478 autostart = 0;
2479 break;
2480 case QEMU_OPTION_k:
2481 keyboard_layout = optarg;
2482 break;
2483 case QEMU_OPTION_localtime:
2484 rtc_utc = 0;
2485 break;
2486 case QEMU_OPTION_vga:
2487 select_vgahw (optarg);
2488 break;
2489 case QEMU_OPTION_g:
2490 {
2491 const char *p;
2492 int w, h, depth;
2493 p = optarg;
2494 w = strtol(p, (char **)&p, 10);
2495 if (w <= 0) {
2496 graphic_error:
2497 fprintf(stderr, "qemu: invalid resolution or depth\n");
2498 exit(1);
2499 }
2500 if (*p != 'x')
2501 goto graphic_error;
2502 p++;
2503 h = strtol(p, (char **)&p, 10);
2504 if (h <= 0)
2505 goto graphic_error;
2506 if (*p == 'x') {
2507 p++;
2508 depth = strtol(p, (char **)&p, 10);
2509 if (depth != 8 && depth != 15 && depth != 16 &&
2510 depth != 24 && depth != 32)
2511 goto graphic_error;
2512 } else if (*p == '\0') {
2513 depth = graphic_depth;
2514 } else {
2515 goto graphic_error;
2516 }
2517
2518 graphic_width = w;
2519 graphic_height = h;
2520 graphic_depth = depth;
2521 }
2522 break;
2523 case QEMU_OPTION_echr:
2524 {
2525 char *r;
2526 term_escape_char = strtol(optarg, &r, 0);
2527 if (r == optarg)
2528 printf("Bad argument to echr\n");
2529 break;
2530 }
2531 case QEMU_OPTION_monitor:
2532 monitor_parse(optarg, "readline");
2533 default_monitor = 0;
2534 break;
2535 case QEMU_OPTION_qmp:
2536 monitor_parse(optarg, "control");
2537 default_monitor = 0;
2538 break;
2539 case QEMU_OPTION_mon:
2540 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2541 if (!opts) {
2542 exit(1);
2543 }
2544 default_monitor = 0;
2545 break;
2546 case QEMU_OPTION_chardev:
2547 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2548 if (!opts) {
2549 exit(1);
2550 }
2551 break;
2552 case QEMU_OPTION_fsdev:
2553 olist = qemu_find_opts("fsdev");
2554 if (!olist) {
2555 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2556 exit(1);
2557 }
2558 opts = qemu_opts_parse(olist, optarg, 1);
2559 if (!opts) {
2560 fprintf(stderr, "parse error: %s\n", optarg);
2561 exit(1);
2562 }
2563 break;
2564 case QEMU_OPTION_virtfs: {
2565 QemuOpts *fsdev;
2566 QemuOpts *device;
2567
2568 olist = qemu_find_opts("virtfs");
2569 if (!olist) {
2570 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2571 exit(1);
2572 }
2573 opts = qemu_opts_parse(olist, optarg, 1);
2574 if (!opts) {
2575 fprintf(stderr, "parse error: %s\n", optarg);
2576 exit(1);
2577 }
2578
2579 if (qemu_opt_get(opts, "fstype") == NULL ||
2580 qemu_opt_get(opts, "mount_tag") == NULL ||
2581 qemu_opt_get(opts, "path") == NULL ||
2582 qemu_opt_get(opts, "security_model") == NULL) {
2583 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2584 "security_model=[mapped|passthrough|none],"
2585 "mount_tag=tag.\n");
2586 exit(1);
2587 }
2588
2589 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2590 qemu_opt_get(opts, "mount_tag"), 1);
2591 if (!fsdev) {
2592 fprintf(stderr, "duplicate fsdev id: %s\n",
2593 qemu_opt_get(opts, "mount_tag"));
2594 exit(1);
2595 }
2596 qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype"));
2597 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2598 qemu_opt_set(fsdev, "security_model",
2599 qemu_opt_get(opts, "security_model"));
2600
2601 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2602 qemu_opt_set(device, "driver", "virtio-9p-pci");
2603 qemu_opt_set(device, "fsdev",
2604 qemu_opt_get(opts, "mount_tag"));
2605 qemu_opt_set(device, "mount_tag",
2606 qemu_opt_get(opts, "mount_tag"));
2607 break;
2608 }
2609 case QEMU_OPTION_serial:
2610 add_device_config(DEV_SERIAL, optarg);
2611 default_serial = 0;
2612 if (strncmp(optarg, "mon:", 4) == 0) {
2613 default_monitor = 0;
2614 }
2615 break;
2616 case QEMU_OPTION_watchdog:
2617 if (watchdog) {
2618 fprintf(stderr,
2619 "qemu: only one watchdog option may be given\n");
2620 return 1;
2621 }
2622 watchdog = optarg;
2623 break;
2624 case QEMU_OPTION_watchdog_action:
2625 if (select_watchdog_action(optarg) == -1) {
2626 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2627 exit(1);
2628 }
2629 break;
2630 case QEMU_OPTION_virtiocon:
2631 add_device_config(DEV_VIRTCON, optarg);
2632 default_virtcon = 0;
2633 if (strncmp(optarg, "mon:", 4) == 0) {
2634 default_monitor = 0;
2635 }
2636 break;
2637 case QEMU_OPTION_parallel:
2638 add_device_config(DEV_PARALLEL, optarg);
2639 default_parallel = 0;
2640 if (strncmp(optarg, "mon:", 4) == 0) {
2641 default_monitor = 0;
2642 }
2643 break;
2644 case QEMU_OPTION_debugcon:
2645 add_device_config(DEV_DEBUGCON, optarg);
2646 break;
2647 case QEMU_OPTION_loadvm:
2648 loadvm = optarg;
2649 break;
2650 case QEMU_OPTION_full_screen:
2651 full_screen = 1;
2652 break;
2653 #ifdef CONFIG_SDL
2654 case QEMU_OPTION_no_frame:
2655 no_frame = 1;
2656 break;
2657 case QEMU_OPTION_alt_grab:
2658 alt_grab = 1;
2659 break;
2660 case QEMU_OPTION_ctrl_grab:
2661 ctrl_grab = 1;
2662 break;
2663 case QEMU_OPTION_no_quit:
2664 no_quit = 1;
2665 break;
2666 case QEMU_OPTION_sdl:
2667 display_type = DT_SDL;
2668 break;
2669 #else
2670 case QEMU_OPTION_no_frame:
2671 case QEMU_OPTION_alt_grab:
2672 case QEMU_OPTION_ctrl_grab:
2673 case QEMU_OPTION_no_quit:
2674 case QEMU_OPTION_sdl:
2675 fprintf(stderr, "SDL support is disabled\n");
2676 exit(1);
2677 #endif
2678 case QEMU_OPTION_pidfile:
2679 pid_file = optarg;
2680 break;
2681 case QEMU_OPTION_win2k_hack:
2682 win2k_install_hack = 1;
2683 break;
2684 case QEMU_OPTION_rtc_td_hack:
2685 rtc_td_hack = 1;
2686 break;
2687 case QEMU_OPTION_acpitable:
2688 do_acpitable_option(optarg);
2689 break;
2690 case QEMU_OPTION_smbios:
2691 do_smbios_option(optarg);
2692 break;
2693 case QEMU_OPTION_enable_kvm:
2694 olist = qemu_find_opts("machine");
2695 qemu_opts_reset(olist);
2696 qemu_opts_parse(olist, "accel=kvm", 0);
2697 break;
2698 case QEMU_OPTION_machine:
2699 olist = qemu_find_opts("machine");
2700 qemu_opts_reset(olist);
2701 opts = qemu_opts_parse(olist, optarg, 0);
2702 if (!opts) {
2703 fprintf(stderr, "parse error: %s\n", optarg);
2704 exit(1);
2705 }
2706 break;
2707 case QEMU_OPTION_usb:
2708 usb_enabled = 1;
2709 break;
2710 case QEMU_OPTION_usbdevice:
2711 usb_enabled = 1;
2712 add_device_config(DEV_USB, optarg);
2713 break;
2714 case QEMU_OPTION_device:
2715 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2716 exit(1);
2717 }
2718 break;
2719 case QEMU_OPTION_smp:
2720 smp_parse(optarg);
2721 if (smp_cpus < 1) {
2722 fprintf(stderr, "Invalid number of CPUs\n");
2723 exit(1);
2724 }
2725 if (max_cpus < smp_cpus) {
2726 fprintf(stderr, "maxcpus must be equal to or greater than "
2727 "smp\n");
2728 exit(1);
2729 }
2730 if (max_cpus > 255) {
2731 fprintf(stderr, "Unsupported number of maxcpus\n");
2732 exit(1);
2733 }
2734 break;
2735 case QEMU_OPTION_vnc:
2736 #ifdef CONFIG_VNC
2737 display_remote++;
2738 vnc_display = optarg;
2739 #else
2740 fprintf(stderr, "VNC support is disabled\n");
2741 exit(1);
2742 #endif
2743 break;
2744 case QEMU_OPTION_no_acpi:
2745 acpi_enabled = 0;
2746 break;
2747 case QEMU_OPTION_no_hpet:
2748 no_hpet = 1;
2749 break;
2750 case QEMU_OPTION_balloon:
2751 if (balloon_parse(optarg) < 0) {
2752 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2753 exit(1);
2754 }
2755 break;
2756 case QEMU_OPTION_no_reboot:
2757 no_reboot = 1;
2758 break;
2759 case QEMU_OPTION_no_shutdown:
2760 no_shutdown = 1;
2761 break;
2762 case QEMU_OPTION_show_cursor:
2763 cursor_hide = 0;
2764 break;
2765 case QEMU_OPTION_uuid:
2766 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2767 fprintf(stderr, "Fail to parse UUID string."
2768 " Wrong format.\n");
2769 exit(1);
2770 }
2771 break;
2772 case QEMU_OPTION_option_rom:
2773 if (nb_option_roms >= MAX_OPTION_ROMS) {
2774 fprintf(stderr, "Too many option ROMs\n");
2775 exit(1);
2776 }
2777 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2778 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2779 option_rom[nb_option_roms].bootindex =
2780 qemu_opt_get_number(opts, "bootindex", -1);
2781 if (!option_rom[nb_option_roms].name) {
2782 fprintf(stderr, "Option ROM file is not specified\n");
2783 exit(1);
2784 }
2785 nb_option_roms++;
2786 break;
2787 case QEMU_OPTION_semihosting:
2788 semihosting_enabled = 1;
2789 break;
2790 case QEMU_OPTION_name:
2791 qemu_name = qemu_strdup(optarg);
2792 {
2793 char *p = strchr(qemu_name, ',');
2794 if (p != NULL) {
2795 *p++ = 0;
2796 if (strncmp(p, "process=", 8)) {
2797 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2798 exit(1);
2799 }
2800 p += 8;
2801 os_set_proc_name(p);
2802 }
2803 }
2804 break;
2805 case QEMU_OPTION_prom_env:
2806 if (nb_prom_envs >= MAX_PROM_ENVS) {
2807 fprintf(stderr, "Too many prom variables\n");
2808 exit(1);
2809 }
2810 prom_envs[nb_prom_envs] = optarg;
2811 nb_prom_envs++;
2812 break;
2813 case QEMU_OPTION_old_param:
2814 old_param = 1;
2815 break;
2816 case QEMU_OPTION_clock:
2817 configure_alarms(optarg);
2818 break;
2819 case QEMU_OPTION_startdate:
2820 configure_rtc_date_offset(optarg, 1);
2821 break;
2822 case QEMU_OPTION_rtc:
2823 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2824 if (!opts) {
2825 exit(1);
2826 }
2827 configure_rtc(opts);
2828 break;
2829 case QEMU_OPTION_tb_size:
2830 tb_size = strtol(optarg, NULL, 0);
2831 if (tb_size < 0)
2832 tb_size = 0;
2833 break;
2834 case QEMU_OPTION_icount:
2835 icount_option = optarg;
2836 break;
2837 case QEMU_OPTION_incoming:
2838 incoming = optarg;
2839 incoming_expected = true;
2840 break;
2841 case QEMU_OPTION_nodefaults:
2842 default_serial = 0;
2843 default_parallel = 0;
2844 default_virtcon = 0;
2845 default_monitor = 0;
2846 default_vga = 0;
2847 default_net = 0;
2848 default_floppy = 0;
2849 default_cdrom = 0;
2850 default_sdcard = 0;
2851 break;
2852 case QEMU_OPTION_xen_domid:
2853 if (!(xen_available())) {
2854 printf("Option %s not supported for this target\n", popt->name);
2855 exit(1);
2856 }
2857 xen_domid = atoi(optarg);
2858 break;
2859 case QEMU_OPTION_xen_create:
2860 if (!(xen_available())) {
2861 printf("Option %s not supported for this target\n", popt->name);
2862 exit(1);
2863 }
2864 xen_mode = XEN_CREATE;
2865 break;
2866 case QEMU_OPTION_xen_attach:
2867 if (!(xen_available())) {
2868 printf("Option %s not supported for this target\n", popt->name);
2869 exit(1);
2870 }
2871 xen_mode = XEN_ATTACH;
2872 break;
2873 #ifdef CONFIG_SIMPLE_TRACE
2874 case QEMU_OPTION_trace:
2875 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2876 if (opts) {
2877 trace_file = qemu_opt_get(opts, "file");
2878 }
2879 break;
2880 #endif
2881 case QEMU_OPTION_readconfig:
2882 {
2883 int ret = qemu_read_config_file(optarg);
2884 if (ret < 0) {
2885 fprintf(stderr, "read config %s: %s\n", optarg,
2886 strerror(-ret));
2887 exit(1);
2888 }
2889 break;
2890 }
2891 case QEMU_OPTION_spice:
2892 olist = qemu_find_opts("spice");
2893 if (!olist) {
2894 fprintf(stderr, "spice is not supported by this qemu build.\n");
2895 exit(1);
2896 }
2897 opts = qemu_opts_parse(olist, optarg, 0);
2898 if (!opts) {
2899 fprintf(stderr, "parse error: %s\n", optarg);
2900 exit(1);
2901 }
2902 break;
2903 case QEMU_OPTION_writeconfig:
2904 {
2905 FILE *fp;
2906 if (strcmp(optarg, "-") == 0) {
2907 fp = stdout;
2908 } else {
2909 fp = fopen(optarg, "w");
2910 if (fp == NULL) {
2911 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2912 exit(1);
2913 }
2914 }
2915 qemu_config_write(fp);
2916 fclose(fp);
2917 break;
2918 }
2919 default:
2920 os_parse_cmd_args(popt->index, optarg);
2921 }
2922 }
2923 }
2924 loc_set_none();
2925
2926 /* Open the logfile at this point, if necessary. We can't open the logfile
2927 * when encountering either of the logging options (-d or -D) because the
2928 * other one may be encountered later on the command line, changing the
2929 * location or level of logging.
2930 */
2931 if (log_mask) {
2932 if (log_file) {
2933 set_cpu_log_filename(log_file);
2934 }
2935 set_cpu_log(log_mask);
2936 }
2937
2938 if (!st_init(trace_file)) {
2939 fprintf(stderr, "warning: unable to initialize simple trace backend\n");
2940 }
2941
2942 /* If no data_dir is specified then try to find it relative to the
2943 executable path. */
2944 if (!data_dir) {
2945 data_dir = os_find_datadir(argv[0]);
2946 }
2947 /* If all else fails use the install patch specified when building. */
2948 if (!data_dir) {
2949 data_dir = CONFIG_QEMU_DATADIR;
2950 }
2951
2952 /*
2953 * Default to max_cpus = smp_cpus, in case the user doesn't
2954 * specify a max_cpus value.
2955 */
2956 if (!max_cpus)
2957 max_cpus = smp_cpus;
2958
2959 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2960 if (smp_cpus > machine->max_cpus) {
2961 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2962 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2963 machine->max_cpus);
2964 exit(1);
2965 }
2966
2967 /*
2968 * Get the default machine options from the machine if it is not already
2969 * specified either by the configuration file or by the command line.
2970 */
2971 if (machine->default_machine_opts) {
2972 QemuOptsList *list = qemu_find_opts("machine");
2973 const char *p = NULL;
2974
2975 if (!QTAILQ_EMPTY(&list->head)) {
2976 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2977 }
2978 if (p == NULL) {
2979 opts = qemu_opts_parse(qemu_find_opts("machine"),
2980 machine->default_machine_opts, 0);
2981 if (!opts) {
2982 fprintf(stderr, "parse error for machine %s: %s\n",
2983 machine->name, machine->default_machine_opts);
2984 exit(1);
2985 }
2986 }
2987 }
2988
2989 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2990 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2991
2992 if (machine->no_serial) {
2993 default_serial = 0;
2994 }
2995 if (machine->no_parallel) {
2996 default_parallel = 0;
2997 }
2998 if (!machine->use_virtcon) {
2999 default_virtcon = 0;
3000 }
3001 if (machine->no_vga) {
3002 default_vga = 0;
3003 }
3004 if (machine->no_floppy) {
3005 default_floppy = 0;
3006 }
3007 if (machine->no_cdrom) {
3008 default_cdrom = 0;
3009 }
3010 if (machine->no_sdcard) {
3011 default_sdcard = 0;
3012 }
3013
3014 if (display_type == DT_NOGRAPHIC) {
3015 if (default_parallel)
3016 add_device_config(DEV_PARALLEL, "null");
3017 if (default_serial && default_monitor) {
3018 add_device_config(DEV_SERIAL, "mon:stdio");
3019 } else if (default_virtcon && default_monitor) {
3020 add_device_config(DEV_VIRTCON, "mon:stdio");
3021 } else {
3022 if (default_serial)
3023 add_device_config(DEV_SERIAL, "stdio");
3024 if (default_virtcon)
3025 add_device_config(DEV_VIRTCON, "stdio");
3026 if (default_monitor)
3027 monitor_parse("stdio", "readline");
3028 }
3029 } else {
3030 if (default_serial)
3031 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3032 if (default_parallel)
3033 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3034 if (default_monitor)
3035 monitor_parse("vc:80Cx24C", "readline");
3036 if (default_virtcon)
3037 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3038 }
3039 if (default_vga)
3040 vga_interface_type = VGA_CIRRUS;
3041
3042 socket_init();
3043
3044 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3045 exit(1);
3046 #ifdef CONFIG_VIRTFS
3047 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3048 exit(1);
3049 }
3050 #endif
3051
3052 os_daemonize();
3053
3054 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3055 os_pidfile_error();
3056 exit(1);
3057 }
3058
3059 configure_accelerator();
3060
3061 if (qemu_init_main_loop()) {
3062 fprintf(stderr, "qemu_init_main_loop failed\n");
3063 exit(1);
3064 }
3065 linux_boot = (kernel_filename != NULL);
3066
3067 if (!linux_boot && *kernel_cmdline != '\0') {
3068 fprintf(stderr, "-append only allowed with -kernel option\n");
3069 exit(1);
3070 }
3071
3072 if (!linux_boot && initrd_filename != NULL) {
3073 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3074 exit(1);
3075 }
3076
3077 os_set_line_buffering();
3078
3079 if (init_timer_alarm() < 0) {
3080 fprintf(stderr, "could not initialize alarm timer\n");
3081 exit(1);
3082 }
3083 configure_icount(icount_option);
3084
3085 if (net_init_clients() < 0) {
3086 exit(1);
3087 }
3088
3089 /* init the bluetooth world */
3090 if (foreach_device_config(DEV_BT, bt_parse))
3091 exit(1);
3092
3093 /* init the memory */
3094 if (ram_size == 0)
3095 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3096
3097 /* init the dynamic translator */
3098 cpu_exec_init_all(tb_size * 1024 * 1024);
3099
3100 bdrv_init_with_whitelist();
3101
3102 blk_mig_init();
3103
3104 /* open the virtual block devices */
3105 if (snapshot)
3106 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3107 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3108 exit(1);
3109
3110 default_drive(default_cdrom, snapshot, machine->use_scsi,
3111 IF_DEFAULT, 2, CDROM_OPTS);
3112 default_drive(default_floppy, snapshot, machine->use_scsi,
3113 IF_FLOPPY, 0, FD_OPTS);
3114 default_drive(default_sdcard, snapshot, machine->use_scsi,
3115 IF_SD, 0, SD_OPTS);
3116
3117 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3118 ram_load, NULL);
3119
3120 if (nb_numa_nodes > 0) {
3121 int i;
3122
3123 if (nb_numa_nodes > smp_cpus) {
3124 nb_numa_nodes = smp_cpus;
3125 }
3126
3127 /* If no memory size if given for any node, assume the default case
3128 * and distribute the available memory equally across all nodes
3129 */
3130 for (i = 0; i < nb_numa_nodes; i++) {
3131 if (node_mem[i] != 0)
3132 break;
3133 }
3134 if (i == nb_numa_nodes) {
3135 uint64_t usedmem = 0;
3136
3137 /* On Linux, the each node's border has to be 8MB aligned,
3138 * the final node gets the rest.
3139 */
3140 for (i = 0; i < nb_numa_nodes - 1; i++) {
3141 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3142 usedmem += node_mem[i];
3143 }
3144 node_mem[i] = ram_size - usedmem;
3145 }
3146
3147 for (i = 0; i < nb_numa_nodes; i++) {
3148 if (node_cpumask[i] != 0)
3149 break;
3150 }
3151 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3152 * must cope with this anyway, because there are BIOSes out there in
3153 * real machines which also use this scheme.
3154 */
3155 if (i == nb_numa_nodes) {
3156 for (i = 0; i < smp_cpus; i++) {
3157 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3158 }
3159 }
3160 }
3161
3162 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3163 exit(1);
3164 }
3165
3166 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3167 exit(1);
3168 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3169 exit(1);
3170 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3171 exit(1);
3172 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3173 exit(1);
3174
3175 module_call_init(MODULE_INIT_DEVICE);
3176
3177 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3178 exit(0);
3179
3180 if (watchdog) {
3181 i = select_watchdog(watchdog);
3182 if (i > 0)
3183 exit (i == 1 ? 1 : 0);
3184 }
3185
3186 if (machine->compat_props) {
3187 qdev_prop_register_global_list(machine->compat_props);
3188 }
3189 qemu_add_globals();
3190
3191 machine->init(ram_size, boot_devices,
3192 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3193
3194 cpu_synchronize_all_post_init();
3195
3196 set_numa_modes();
3197
3198 current_machine = machine;
3199
3200 /* init USB devices */
3201 if (usb_enabled) {
3202 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3203 exit(1);
3204 }
3205
3206 /* init generic devices */
3207 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3208 exit(1);
3209
3210 net_check_clients();
3211
3212 /* just use the first displaystate for the moment */
3213 ds = get_displaystate();
3214
3215 if (using_spice)
3216 display_remote++;
3217 if (display_type == DT_DEFAULT && !display_remote) {
3218 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3219 display_type = DT_SDL;
3220 #elif defined(CONFIG_VNC)
3221 vnc_display = "localhost:0,to=99";
3222 show_vnc_port = 1;
3223 #else
3224 display_type = DT_NONE;
3225 #endif
3226 }
3227
3228
3229 /* init local displays */
3230 switch (display_type) {
3231 case DT_NOGRAPHIC:
3232 break;
3233 #if defined(CONFIG_CURSES)
3234 case DT_CURSES:
3235 curses_display_init(ds, full_screen);
3236 break;
3237 #endif
3238 #if defined(CONFIG_SDL)
3239 case DT_SDL:
3240 sdl_display_init(ds, full_screen, no_frame);
3241 break;
3242 #elif defined(CONFIG_COCOA)
3243 case DT_SDL:
3244 cocoa_display_init(ds, full_screen);
3245 break;
3246 #endif
3247 default:
3248 break;
3249 }
3250
3251 /* must be after terminal init, SDL library changes signal handlers */
3252 os_setup_signal_handling();
3253
3254 #ifdef CONFIG_VNC
3255 /* init remote displays */
3256 if (vnc_display) {
3257 vnc_display_init(ds);
3258 if (vnc_display_open(ds, vnc_display) < 0)
3259 exit(1);
3260
3261 if (show_vnc_port) {
3262 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3263 }
3264 }
3265 #endif
3266 #ifdef CONFIG_SPICE
3267 if (using_spice && !qxl_enabled) {
3268 qemu_spice_display_init(ds);
3269 }
3270 #endif
3271
3272 /* display setup */
3273 dpy_resize(ds);
3274 dcl = ds->listeners;
3275 while (dcl != NULL) {
3276 if (dcl->dpy_refresh != NULL) {
3277 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3278 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3279 break;
3280 }
3281 dcl = dcl->next;
3282 }
3283 if (ds->gui_timer == NULL) {
3284 nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
3285 qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
3286 }
3287 text_consoles_set_display(ds);
3288
3289 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3290 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3291 gdbstub_dev);
3292 exit(1);
3293 }
3294
3295 qdev_machine_creation_done();
3296
3297 if (rom_load_all() != 0) {
3298 fprintf(stderr, "rom loading failed\n");
3299 exit(1);
3300 }
3301
3302 /* TODO: once all bus devices are qdevified, this should be done
3303 * when bus is created by qdev.c */
3304 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3305 qemu_run_machine_init_done_notifiers();
3306
3307 qemu_system_reset(VMRESET_SILENT);
3308 if (loadvm) {
3309 if (load_vmstate(loadvm) < 0) {
3310 autostart = 0;
3311 }
3312 }
3313
3314 if (incoming) {
3315 int ret = qemu_start_incoming_migration(incoming);
3316 if (ret < 0) {
3317 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3318 incoming, ret);
3319 exit(ret);
3320 }
3321 } else if (autostart) {
3322 vm_start();
3323 }
3324
3325 os_setup_post();
3326
3327 main_loop();
3328 quit_timers();
3329 net_cleanup();
3330
3331 return 0;
3332 }
QEmu