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ditto hw/lm32_juart.c
[qemu/aliguori.git] / vl.c
blobc389c275edaa158ec329e12ff5d3304931ce5ee0
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 uint8_t *boot_splash_filedata;
232 int boot_splash_filedata_size;
233 uint8_t qemu_extra_params_fw[2];
234
235 typedef struct FWBootEntry FWBootEntry;
236
237 struct FWBootEntry {
238 QTAILQ_ENTRY(FWBootEntry) link;
239 int32_t bootindex;
240 DeviceState *dev;
241 char *suffix;
242 };
243
244 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
245
246 int nb_numa_nodes;
247 uint64_t node_mem[MAX_NODES];
248 uint64_t node_cpumask[MAX_NODES];
249
250 static QEMUTimer *nographic_timer;
251
252 uint8_t qemu_uuid[16];
253
254 static QEMUBootSetHandler *boot_set_handler;
255 static void *boot_set_opaque;
256
257 static NotifierList exit_notifiers =
258 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
259
260 static NotifierList machine_init_done_notifiers =
261 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
262
263 static int tcg_allowed = 1;
264 int kvm_allowed = 0;
265 int xen_allowed = 0;
266 uint32_t xen_domid;
267 enum xen_mode xen_mode = XEN_EMULATE;
268 static int tcg_tb_size;
269
270 static int default_serial = 1;
271 static int default_parallel = 1;
272 static int default_virtcon = 1;
273 static int default_monitor = 1;
274 static int default_vga = 1;
275 static int default_floppy = 1;
276 static int default_cdrom = 1;
277 static int default_sdcard = 1;
278
279 static struct {
280 const char *driver;
281 int *flag;
282 } default_list[] = {
283 { .driver = "isa-serial", .flag = &default_serial },
284 { .driver = "isa-parallel", .flag = &default_parallel },
285 { .driver = "isa-fdc", .flag = &default_floppy },
286 { .driver = "ide-cd", .flag = &default_cdrom },
287 { .driver = "ide-hd", .flag = &default_cdrom },
288 { .driver = "ide-drive", .flag = &default_cdrom },
289 { .driver = "scsi-cd", .flag = &default_cdrom },
290 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
291 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
292 { .driver = "virtio-serial", .flag = &default_virtcon },
293 { .driver = "VGA", .flag = &default_vga },
294 { .driver = "cirrus-vga", .flag = &default_vga },
295 { .driver = "vmware-svga", .flag = &default_vga },
296 { .driver = "isa-vga", .flag = &default_vga },
297 { .driver = "qxl-vga", .flag = &default_vga },
298 };
299
300 static void res_free(void)
301 {
302 if (boot_splash_filedata != NULL) {
303 qemu_free(boot_splash_filedata);
304 boot_splash_filedata = NULL;
305 }
306 }
307
308 static int default_driver_check(QemuOpts *opts, void *opaque)
309 {
310 const char *driver = qemu_opt_get(opts, "driver");
311 int i;
312
313 if (!driver)
314 return 0;
315 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
316 if (strcmp(default_list[i].driver, driver) != 0)
317 continue;
318 *(default_list[i].flag) = 0;
319 }
320 return 0;
321 }
322
323 /***********************************************************/
324 /* real time host monotonic timer */
325
326 /***********************************************************/
327 /* host time/date access */
328 void qemu_get_timedate(struct tm *tm, int offset)
329 {
330 time_t ti;
331 struct tm *ret;
332
333 time(&ti);
334 ti += offset;
335 if (rtc_date_offset == -1) {
336 if (rtc_utc)
337 ret = gmtime(&ti);
338 else
339 ret = localtime(&ti);
340 } else {
341 ti -= rtc_date_offset;
342 ret = gmtime(&ti);
343 }
344
345 memcpy(tm, ret, sizeof(struct tm));
346 }
347
348 int qemu_timedate_diff(struct tm *tm)
349 {
350 time_t seconds;
351
352 if (rtc_date_offset == -1)
353 if (rtc_utc)
354 seconds = mktimegm(tm);
355 else
356 seconds = mktime(tm);
357 else
358 seconds = mktimegm(tm) + rtc_date_offset;
359
360 return seconds - time(NULL);
361 }
362
363 void rtc_change_mon_event(struct tm *tm)
364 {
365 QObject *data;
366
367 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
368 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
369 qobject_decref(data);
370 }
371
372 static void configure_rtc_date_offset(const char *startdate, int legacy)
373 {
374 time_t rtc_start_date;
375 struct tm tm;
376
377 if (!strcmp(startdate, "now") && legacy) {
378 rtc_date_offset = -1;
379 } else {
380 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
381 &tm.tm_year,
382 &tm.tm_mon,
383 &tm.tm_mday,
384 &tm.tm_hour,
385 &tm.tm_min,
386 &tm.tm_sec) == 6) {
387 /* OK */
388 } else if (sscanf(startdate, "%d-%d-%d",
389 &tm.tm_year,
390 &tm.tm_mon,
391 &tm.tm_mday) == 3) {
392 tm.tm_hour = 0;
393 tm.tm_min = 0;
394 tm.tm_sec = 0;
395 } else {
396 goto date_fail;
397 }
398 tm.tm_year -= 1900;
399 tm.tm_mon--;
400 rtc_start_date = mktimegm(&tm);
401 if (rtc_start_date == -1) {
402 date_fail:
403 fprintf(stderr, "Invalid date format. Valid formats are:\n"
404 "'2006-06-17T16:01:21' or '2006-06-17'\n");
405 exit(1);
406 }
407 rtc_date_offset = time(NULL) - rtc_start_date;
408 }
409 }
410
411 static void configure_rtc(QemuOpts *opts)
412 {
413 const char *value;
414
415 value = qemu_opt_get(opts, "base");
416 if (value) {
417 if (!strcmp(value, "utc")) {
418 rtc_utc = 1;
419 } else if (!strcmp(value, "localtime")) {
420 rtc_utc = 0;
421 } else {
422 configure_rtc_date_offset(value, 0);
423 }
424 }
425 value = qemu_opt_get(opts, "clock");
426 if (value) {
427 if (!strcmp(value, "host")) {
428 rtc_clock = host_clock;
429 } else if (!strcmp(value, "vm")) {
430 rtc_clock = vm_clock;
431 } else {
432 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
433 exit(1);
434 }
435 }
436 value = qemu_opt_get(opts, "driftfix");
437 if (value) {
438 if (!strcmp(value, "slew")) {
439 rtc_td_hack = 1;
440 } else if (!strcmp(value, "none")) {
441 rtc_td_hack = 0;
442 } else {
443 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
444 exit(1);
445 }
446 }
447 }
448
449 /***********************************************************/
450 /* Bluetooth support */
451 static int nb_hcis;
452 static int cur_hci;
453 static struct HCIInfo *hci_table[MAX_NICS];
454
455 static struct bt_vlan_s {
456 struct bt_scatternet_s net;
457 int id;
458 struct bt_vlan_s *next;
459 } *first_bt_vlan;
460
461 /* find or alloc a new bluetooth "VLAN" */
462 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
463 {
464 struct bt_vlan_s **pvlan, *vlan;
465 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
466 if (vlan->id == id)
467 return &vlan->net;
468 }
469 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
470 vlan->id = id;
471 pvlan = &first_bt_vlan;
472 while (*pvlan != NULL)
473 pvlan = &(*pvlan)->next;
474 *pvlan = vlan;
475 return &vlan->net;
476 }
477
478 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
479 {
480 }
481
482 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
483 {
484 return -ENOTSUP;
485 }
486
487 static struct HCIInfo null_hci = {
488 .cmd_send = null_hci_send,
489 .sco_send = null_hci_send,
490 .acl_send = null_hci_send,
491 .bdaddr_set = null_hci_addr_set,
492 };
493
494 struct HCIInfo *qemu_next_hci(void)
495 {
496 if (cur_hci == nb_hcis)
497 return &null_hci;
498
499 return hci_table[cur_hci++];
500 }
501
502 static struct HCIInfo *hci_init(const char *str)
503 {
504 char *endp;
505 struct bt_scatternet_s *vlan = 0;
506
507 if (!strcmp(str, "null"))
508 /* null */
509 return &null_hci;
510 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
511 /* host[:hciN] */
512 return bt_host_hci(str[4] ? str + 5 : "hci0");
513 else if (!strncmp(str, "hci", 3)) {
514 /* hci[,vlan=n] */
515 if (str[3]) {
516 if (!strncmp(str + 3, ",vlan=", 6)) {
517 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
518 if (*endp)
519 vlan = 0;
520 }
521 } else
522 vlan = qemu_find_bt_vlan(0);
523 if (vlan)
524 return bt_new_hci(vlan);
525 }
526
527 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
528
529 return 0;
530 }
531
532 static int bt_hci_parse(const char *str)
533 {
534 struct HCIInfo *hci;
535 bdaddr_t bdaddr;
536
537 if (nb_hcis >= MAX_NICS) {
538 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
539 return -1;
540 }
541
542 hci = hci_init(str);
543 if (!hci)
544 return -1;
545
546 bdaddr.b[0] = 0x52;
547 bdaddr.b[1] = 0x54;
548 bdaddr.b[2] = 0x00;
549 bdaddr.b[3] = 0x12;
550 bdaddr.b[4] = 0x34;
551 bdaddr.b[5] = 0x56 + nb_hcis;
552 hci->bdaddr_set(hci, bdaddr.b);
553
554 hci_table[nb_hcis++] = hci;
555
556 return 0;
557 }
558
559 static void bt_vhci_add(int vlan_id)
560 {
561 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
562
563 if (!vlan->slave)
564 fprintf(stderr, "qemu: warning: adding a VHCI to "
565 "an empty scatternet %i\n", vlan_id);
566
567 bt_vhci_init(bt_new_hci(vlan));
568 }
569
570 static struct bt_device_s *bt_device_add(const char *opt)
571 {
572 struct bt_scatternet_s *vlan;
573 int vlan_id = 0;
574 char *endp = strstr(opt, ",vlan=");
575 int len = (endp ? endp - opt : strlen(opt)) + 1;
576 char devname[10];
577
578 pstrcpy(devname, MIN(sizeof(devname), len), opt);
579
580 if (endp) {
581 vlan_id = strtol(endp + 6, &endp, 0);
582 if (*endp) {
583 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
584 return 0;
585 }
586 }
587
588 vlan = qemu_find_bt_vlan(vlan_id);
589
590 if (!vlan->slave)
591 fprintf(stderr, "qemu: warning: adding a slave device to "
592 "an empty scatternet %i\n", vlan_id);
593
594 if (!strcmp(devname, "keyboard"))
595 return bt_keyboard_init(vlan);
596
597 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
598 return 0;
599 }
600
601 static int bt_parse(const char *opt)
602 {
603 const char *endp, *p;
604 int vlan;
605
606 if (strstart(opt, "hci", &endp)) {
607 if (!*endp || *endp == ',') {
608 if (*endp)
609 if (!strstart(endp, ",vlan=", 0))
610 opt = endp + 1;
611
612 return bt_hci_parse(opt);
613 }
614 } else if (strstart(opt, "vhci", &endp)) {
615 if (!*endp || *endp == ',') {
616 if (*endp) {
617 if (strstart(endp, ",vlan=", &p)) {
618 vlan = strtol(p, (char **) &endp, 0);
619 if (*endp) {
620 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
621 return 1;
622 }
623 } else {
624 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
625 return 1;
626 }
627 } else
628 vlan = 0;
629
630 bt_vhci_add(vlan);
631 return 0;
632 }
633 } else if (strstart(opt, "device:", &endp))
634 return !bt_device_add(endp);
635
636 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
637 return 1;
638 }
639
640 /***********************************************************/
641 /* QEMU Block devices */
642
643 #define HD_OPTS "media=disk"
644 #define CDROM_OPTS "media=cdrom"
645 #define FD_OPTS ""
646 #define PFLASH_OPTS ""
647 #define MTD_OPTS ""
648 #define SD_OPTS ""
649
650 static int drive_init_func(QemuOpts *opts, void *opaque)
651 {
652 int *use_scsi = opaque;
653
654 return drive_init(opts, *use_scsi) == NULL;
655 }
656
657 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
658 {
659 if (NULL == qemu_opt_get(opts, "snapshot")) {
660 qemu_opt_set(opts, "snapshot", "on");
661 }
662 return 0;
663 }
664
665 static void default_drive(int enable, int snapshot, int use_scsi,
666 BlockInterfaceType type, int index,
667 const char *optstr)
668 {
669 QemuOpts *opts;
670
671 if (type == IF_DEFAULT) {
672 type = use_scsi ? IF_SCSI : IF_IDE;
673 }
674
675 if (!enable || drive_get_by_index(type, index)) {
676 return;
677 }
678
679 opts = drive_add(type, index, NULL, optstr);
680 if (snapshot) {
681 drive_enable_snapshot(opts, NULL);
682 }
683 if (!drive_init(opts, use_scsi)) {
684 exit(1);
685 }
686 }
687
688 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
689 {
690 boot_set_handler = func;
691 boot_set_opaque = opaque;
692 }
693
694 int qemu_boot_set(const char *boot_devices)
695 {
696 if (!boot_set_handler) {
697 return -EINVAL;
698 }
699 return boot_set_handler(boot_set_opaque, boot_devices);
700 }
701
702 static void validate_bootdevices(char *devices)
703 {
704 /* We just do some generic consistency checks */
705 const char *p;
706 int bitmap = 0;
707
708 for (p = devices; *p != '\0'; p++) {
709 /* Allowed boot devices are:
710 * a-b: floppy disk drives
711 * c-f: IDE disk drives
712 * g-m: machine implementation dependant drives
713 * n-p: network devices
714 * It's up to each machine implementation to check if the given boot
715 * devices match the actual hardware implementation and firmware
716 * features.
717 */
718 if (*p < 'a' || *p > 'p') {
719 fprintf(stderr, "Invalid boot device '%c'\n", *p);
720 exit(1);
721 }
722 if (bitmap & (1 << (*p - 'a'))) {
723 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
724 exit(1);
725 }
726 bitmap |= 1 << (*p - 'a');
727 }
728 }
729
730 static void restore_boot_devices(void *opaque)
731 {
732 char *standard_boot_devices = opaque;
733 static int first = 1;
734
735 /* Restore boot order and remove ourselves after the first boot */
736 if (first) {
737 first = 0;
738 return;
739 }
740
741 qemu_boot_set(standard_boot_devices);
742
743 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
744 qemu_free(standard_boot_devices);
745 }
746
747 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
748 const char *suffix)
749 {
750 FWBootEntry *node, *i;
751
752 if (bootindex < 0) {
753 return;
754 }
755
756 assert(dev != NULL || suffix != NULL);
757
758 node = qemu_mallocz(sizeof(FWBootEntry));
759 node->bootindex = bootindex;
760 node->suffix = suffix ? qemu_strdup(suffix) : NULL;
761 node->dev = dev;
762
763 QTAILQ_FOREACH(i, &fw_boot_order, link) {
764 if (i->bootindex == bootindex) {
765 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
766 exit(1);
767 } else if (i->bootindex < bootindex) {
768 continue;
769 }
770 QTAILQ_INSERT_BEFORE(i, node, link);
771 return;
772 }
773 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
774 }
775
776 /*
777 * This function returns null terminated string that consist of new line
778 * separated device paths.
779 *
780 * memory pointed by "size" is assigned total length of the array in bytes
781 *
782 */
783 char *get_boot_devices_list(uint32_t *size)
784 {
785 FWBootEntry *i;
786 uint32_t total = 0;
787 char *list = NULL;
788
789 QTAILQ_FOREACH(i, &fw_boot_order, link) {
790 char *devpath = NULL, *bootpath;
791 int len;
792
793 if (i->dev) {
794 devpath = qdev_get_fw_dev_path(i->dev);
795 assert(devpath);
796 }
797
798 if (i->suffix && devpath) {
799 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
800
801 bootpath = qemu_malloc(bootpathlen);
802 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
803 qemu_free(devpath);
804 } else if (devpath) {
805 bootpath = devpath;
806 } else {
807 bootpath = qemu_strdup(i->suffix);
808 assert(bootpath);
809 }
810
811 if (total) {
812 list[total-1] = '\n';
813 }
814 len = strlen(bootpath) + 1;
815 list = qemu_realloc(list, total + len);
816 memcpy(&list[total], bootpath, len);
817 total += len;
818 qemu_free(bootpath);
819 }
820
821 *size = total;
822
823 return list;
824 }
825
826 static void numa_add(const char *optarg)
827 {
828 char option[128];
829 char *endptr;
830 unsigned long long value, endvalue;
831 int nodenr;
832
833 optarg = get_opt_name(option, 128, optarg, ',') + 1;
834 if (!strcmp(option, "node")) {
835 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
836 nodenr = nb_numa_nodes;
837 } else {
838 nodenr = strtoull(option, NULL, 10);
839 }
840
841 if (get_param_value(option, 128, "mem", optarg) == 0) {
842 node_mem[nodenr] = 0;
843 } else {
844 int64_t sval;
845 sval = strtosz(option, NULL);
846 if (sval < 0) {
847 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
848 exit(1);
849 }
850 node_mem[nodenr] = sval;
851 }
852 if (get_param_value(option, 128, "cpus", optarg) == 0) {
853 node_cpumask[nodenr] = 0;
854 } else {
855 value = strtoull(option, &endptr, 10);
856 if (value >= 64) {
857 value = 63;
858 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
859 } else {
860 if (*endptr == '-') {
861 endvalue = strtoull(endptr+1, &endptr, 10);
862 if (endvalue >= 63) {
863 endvalue = 62;
864 fprintf(stderr,
865 "only 63 CPUs in NUMA mode supported.\n");
866 }
867 value = (2ULL << endvalue) - (1ULL << value);
868 } else {
869 value = 1ULL << value;
870 }
871 }
872 node_cpumask[nodenr] = value;
873 }
874 nb_numa_nodes++;
875 }
876 return;
877 }
878
879 static void smp_parse(const char *optarg)
880 {
881 int smp, sockets = 0, threads = 0, cores = 0;
882 char *endptr;
883 char option[128];
884
885 smp = strtoul(optarg, &endptr, 10);
886 if (endptr != optarg) {
887 if (*endptr == ',') {
888 endptr++;
889 }
890 }
891 if (get_param_value(option, 128, "sockets", endptr) != 0)
892 sockets = strtoull(option, NULL, 10);
893 if (get_param_value(option, 128, "cores", endptr) != 0)
894 cores = strtoull(option, NULL, 10);
895 if (get_param_value(option, 128, "threads", endptr) != 0)
896 threads = strtoull(option, NULL, 10);
897 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
898 max_cpus = strtoull(option, NULL, 10);
899
900 /* compute missing values, prefer sockets over cores over threads */
901 if (smp == 0 || sockets == 0) {
902 sockets = sockets > 0 ? sockets : 1;
903 cores = cores > 0 ? cores : 1;
904 threads = threads > 0 ? threads : 1;
905 if (smp == 0) {
906 smp = cores * threads * sockets;
907 }
908 } else {
909 if (cores == 0) {
910 threads = threads > 0 ? threads : 1;
911 cores = smp / (sockets * threads);
912 } else {
913 threads = smp / (cores * sockets);
914 }
915 }
916 smp_cpus = smp;
917 smp_cores = cores > 0 ? cores : 1;
918 smp_threads = threads > 0 ? threads : 1;
919 if (max_cpus == 0)
920 max_cpus = smp_cpus;
921 }
922
923 /***********************************************************/
924 /* USB devices */
925
926 static int usb_device_add(const char *devname)
927 {
928 const char *p;
929 USBDevice *dev = NULL;
930
931 if (!usb_enabled)
932 return -1;
933
934 /* drivers with .usbdevice_name entry in USBDeviceInfo */
935 dev = usbdevice_create(devname);
936 if (dev)
937 goto done;
938
939 /* the other ones */
940 #ifndef CONFIG_LINUX
941 /* only the linux version is qdev-ified, usb-bsd still needs this */
942 if (strstart(devname, "host:", &p)) {
943 dev = usb_host_device_open(p);
944 } else
945 #endif
946 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
947 dev = usb_bt_init(devname[2] ? hci_init(p) :
948 bt_new_hci(qemu_find_bt_vlan(0)));
949 } else {
950 return -1;
951 }
952 if (!dev)
953 return -1;
954
955 done:
956 return 0;
957 }
958
959 static int usb_device_del(const char *devname)
960 {
961 int bus_num, addr;
962 const char *p;
963
964 if (strstart(devname, "host:", &p))
965 return usb_host_device_close(p);
966
967 if (!usb_enabled)
968 return -1;
969
970 p = strchr(devname, '.');
971 if (!p)
972 return -1;
973 bus_num = strtoul(devname, NULL, 0);
974 addr = strtoul(p + 1, NULL, 0);
975
976 return usb_device_delete_addr(bus_num, addr);
977 }
978
979 static int usb_parse(const char *cmdline)
980 {
981 int r;
982 r = usb_device_add(cmdline);
983 if (r < 0) {
984 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
985 }
986 return r;
987 }
988
989 void do_usb_add(Monitor *mon, const QDict *qdict)
990 {
991 const char *devname = qdict_get_str(qdict, "devname");
992 if (usb_device_add(devname) < 0) {
993 error_report("could not add USB device '%s'", devname);
994 }
995 }
996
997 void do_usb_del(Monitor *mon, const QDict *qdict)
998 {
999 const char *devname = qdict_get_str(qdict, "devname");
1000 if (usb_device_del(devname) < 0) {
1001 error_report("could not delete USB device '%s'", devname);
1002 }
1003 }
1004
1005 /***********************************************************/
1006 /* PCMCIA/Cardbus */
1007
1008 static struct pcmcia_socket_entry_s {
1009 PCMCIASocket *socket;
1010 struct pcmcia_socket_entry_s *next;
1011 } *pcmcia_sockets = 0;
1012
1013 void pcmcia_socket_register(PCMCIASocket *socket)
1014 {
1015 struct pcmcia_socket_entry_s *entry;
1016
1017 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1018 entry->socket = socket;
1019 entry->next = pcmcia_sockets;
1020 pcmcia_sockets = entry;
1021 }
1022
1023 void pcmcia_socket_unregister(PCMCIASocket *socket)
1024 {
1025 struct pcmcia_socket_entry_s *entry, **ptr;
1026
1027 ptr = &pcmcia_sockets;
1028 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1029 if (entry->socket == socket) {
1030 *ptr = entry->next;
1031 qemu_free(entry);
1032 }
1033 }
1034
1035 void pcmcia_info(Monitor *mon)
1036 {
1037 struct pcmcia_socket_entry_s *iter;
1038
1039 if (!pcmcia_sockets)
1040 monitor_printf(mon, "No PCMCIA sockets\n");
1041
1042 for (iter = pcmcia_sockets; iter; iter = iter->next)
1043 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1044 iter->socket->attached ? iter->socket->card_string :
1045 "Empty");
1046 }
1047
1048 /***********************************************************/
1049 /* machine registration */
1050
1051 static QEMUMachine *first_machine = NULL;
1052 QEMUMachine *current_machine = NULL;
1053
1054 int qemu_register_machine(QEMUMachine *m)
1055 {
1056 QEMUMachine **pm;
1057 pm = &first_machine;
1058 while (*pm != NULL)
1059 pm = &(*pm)->next;
1060 m->next = NULL;
1061 *pm = m;
1062 return 0;
1063 }
1064
1065 static QEMUMachine *find_machine(const char *name)
1066 {
1067 QEMUMachine *m;
1068
1069 for(m = first_machine; m != NULL; m = m->next) {
1070 if (!strcmp(m->name, name))
1071 return m;
1072 if (m->alias && !strcmp(m->alias, name))
1073 return m;
1074 }
1075 return NULL;
1076 }
1077
1078 static QEMUMachine *find_default_machine(void)
1079 {
1080 QEMUMachine *m;
1081
1082 for(m = first_machine; m != NULL; m = m->next) {
1083 if (m->is_default) {
1084 return m;
1085 }
1086 }
1087 return NULL;
1088 }
1089
1090 /***********************************************************/
1091 /* main execution loop */
1092
1093 static void gui_update(void *opaque)
1094 {
1095 uint64_t interval = GUI_REFRESH_INTERVAL;
1096 DisplayState *ds = opaque;
1097 DisplayChangeListener *dcl = ds->listeners;
1098
1099 qemu_flush_coalesced_mmio_buffer();
1100 dpy_refresh(ds);
1101
1102 while (dcl != NULL) {
1103 if (dcl->gui_timer_interval &&
1104 dcl->gui_timer_interval < interval)
1105 interval = dcl->gui_timer_interval;
1106 dcl = dcl->next;
1107 }
1108 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1109 }
1110
1111 static void nographic_update(void *opaque)
1112 {
1113 uint64_t interval = GUI_REFRESH_INTERVAL;
1114
1115 qemu_flush_coalesced_mmio_buffer();
1116 qemu_mod_timer(nographic_timer, interval + qemu_get_clock_ms(rt_clock));
1117 }
1118
1119 struct vm_change_state_entry {
1120 VMChangeStateHandler *cb;
1121 void *opaque;
1122 QLIST_ENTRY (vm_change_state_entry) entries;
1123 };
1124
1125 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1126
1127 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1128 void *opaque)
1129 {
1130 VMChangeStateEntry *e;
1131
1132 e = qemu_mallocz(sizeof (*e));
1133
1134 e->cb = cb;
1135 e->opaque = opaque;
1136 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1137 return e;
1138 }
1139
1140 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1141 {
1142 QLIST_REMOVE (e, entries);
1143 qemu_free (e);
1144 }
1145
1146 void vm_state_notify(int running, int reason)
1147 {
1148 VMChangeStateEntry *e;
1149
1150 trace_vm_state_notify(running, reason);
1151
1152 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1153 e->cb(e->opaque, running, reason);
1154 }
1155 }
1156
1157 void vm_start(void)
1158 {
1159 if (!vm_running) {
1160 cpu_enable_ticks();
1161 vm_running = 1;
1162 vm_state_notify(1, 0);
1163 resume_all_vcpus();
1164 monitor_protocol_event(QEVENT_RESUME, NULL);
1165 }
1166 }
1167
1168 /* reset/shutdown handler */
1169
1170 typedef struct QEMUResetEntry {
1171 QTAILQ_ENTRY(QEMUResetEntry) entry;
1172 QEMUResetHandler *func;
1173 void *opaque;
1174 } QEMUResetEntry;
1175
1176 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1177 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1178 static int reset_requested;
1179 static int shutdown_requested, shutdown_signal = -1;
1180 static pid_t shutdown_pid;
1181 static int powerdown_requested;
1182 static int debug_requested;
1183 static int vmstop_requested;
1184
1185 int qemu_shutdown_requested_get(void)
1186 {
1187 return shutdown_requested;
1188 }
1189
1190 int qemu_reset_requested_get(void)
1191 {
1192 return reset_requested;
1193 }
1194
1195 int qemu_shutdown_requested(void)
1196 {
1197 int r = shutdown_requested;
1198 shutdown_requested = 0;
1199 return r;
1200 }
1201
1202 void qemu_kill_report(void)
1203 {
1204 if (shutdown_signal != -1) {
1205 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1206 if (shutdown_pid == 0) {
1207 /* This happens for eg ^C at the terminal, so it's worth
1208 * avoiding printing an odd message in that case.
1209 */
1210 fputc('\n', stderr);
1211 } else {
1212 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1213 }
1214 shutdown_signal = -1;
1215 }
1216 }
1217
1218 int qemu_reset_requested(void)
1219 {
1220 int r = reset_requested;
1221 reset_requested = 0;
1222 return r;
1223 }
1224
1225 int qemu_powerdown_requested(void)
1226 {
1227 int r = powerdown_requested;
1228 powerdown_requested = 0;
1229 return r;
1230 }
1231
1232 static int qemu_debug_requested(void)
1233 {
1234 int r = debug_requested;
1235 debug_requested = 0;
1236 return r;
1237 }
1238
1239 static int qemu_vmstop_requested(void)
1240 {
1241 int r = vmstop_requested;
1242 vmstop_requested = 0;
1243 return r;
1244 }
1245
1246 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1247 {
1248 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1249
1250 re->func = func;
1251 re->opaque = opaque;
1252 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1253 }
1254
1255 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1256 {
1257 QEMUResetEntry *re;
1258
1259 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1260 if (re->func == func && re->opaque == opaque) {
1261 QTAILQ_REMOVE(&reset_handlers, re, entry);
1262 qemu_free(re);
1263 return;
1264 }
1265 }
1266 }
1267
1268 void qemu_system_reset(bool report)
1269 {
1270 QEMUResetEntry *re, *nre;
1271
1272 /* reset all devices */
1273 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1274 re->func(re->opaque);
1275 }
1276 if (report) {
1277 monitor_protocol_event(QEVENT_RESET, NULL);
1278 }
1279 cpu_synchronize_all_post_reset();
1280 }
1281
1282 void qemu_system_reset_request(void)
1283 {
1284 if (no_reboot) {
1285 shutdown_requested = 1;
1286 } else {
1287 reset_requested = 1;
1288 }
1289 cpu_stop_current();
1290 qemu_notify_event();
1291 }
1292
1293 void qemu_system_killed(int signal, pid_t pid)
1294 {
1295 shutdown_signal = signal;
1296 shutdown_pid = pid;
1297 qemu_system_shutdown_request();
1298 }
1299
1300 void qemu_system_shutdown_request(void)
1301 {
1302 shutdown_requested = 1;
1303 qemu_notify_event();
1304 }
1305
1306 void qemu_system_powerdown_request(void)
1307 {
1308 powerdown_requested = 1;
1309 qemu_notify_event();
1310 }
1311
1312 void qemu_system_debug_request(void)
1313 {
1314 debug_requested = 1;
1315 qemu_notify_event();
1316 }
1317
1318 void qemu_system_vmstop_request(int reason)
1319 {
1320 vmstop_requested = reason;
1321 qemu_notify_event();
1322 }
1323
1324 void main_loop_wait(int nonblocking)
1325 {
1326 fd_set rfds, wfds, xfds;
1327 int ret, nfds;
1328 struct timeval tv;
1329 int timeout;
1330
1331 if (nonblocking)
1332 timeout = 0;
1333 else {
1334 timeout = qemu_calculate_timeout();
1335 qemu_bh_update_timeout(&timeout);
1336 }
1337
1338 os_host_main_loop_wait(&timeout);
1339
1340 tv.tv_sec = timeout / 1000;
1341 tv.tv_usec = (timeout % 1000) * 1000;
1342
1343 /* poll any events */
1344 /* XXX: separate device handlers from system ones */
1345 nfds = -1;
1346 FD_ZERO(&rfds);
1347 FD_ZERO(&wfds);
1348 FD_ZERO(&xfds);
1349 qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1350 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1351
1352 qemu_mutex_unlock_iothread();
1353 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1354 qemu_mutex_lock_iothread();
1355
1356 qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1357 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1358
1359 qemu_run_all_timers();
1360
1361 /* Check bottom-halves last in case any of the earlier events triggered
1362 them. */
1363 qemu_bh_poll();
1364
1365 }
1366
1367 #ifndef CONFIG_IOTHREAD
1368 static int vm_request_pending(void)
1369 {
1370 return powerdown_requested ||
1371 reset_requested ||
1372 shutdown_requested ||
1373 debug_requested ||
1374 vmstop_requested;
1375 }
1376 #endif
1377
1378 qemu_irq qemu_system_powerdown;
1379
1380 static void main_loop(void)
1381 {
1382 bool nonblocking = false;
1383 #ifdef CONFIG_PROFILER
1384 int64_t ti;
1385 #endif
1386 int r;
1387
1388 qemu_main_loop_start();
1389
1390 for (;;) {
1391 #ifndef CONFIG_IOTHREAD
1392 nonblocking = cpu_exec_all();
1393 if (vm_request_pending()) {
1394 nonblocking = true;
1395 }
1396 #endif
1397 #ifdef CONFIG_PROFILER
1398 ti = profile_getclock();
1399 #endif
1400 main_loop_wait(nonblocking);
1401 #ifdef CONFIG_PROFILER
1402 dev_time += profile_getclock() - ti;
1403 #endif
1404
1405 if (qemu_debug_requested()) {
1406 vm_stop(VMSTOP_DEBUG);
1407 }
1408 if (qemu_shutdown_requested()) {
1409 qemu_kill_report();
1410 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1411 if (no_shutdown) {
1412 vm_stop(VMSTOP_SHUTDOWN);
1413 } else
1414 break;
1415 }
1416 if (qemu_reset_requested()) {
1417 pause_all_vcpus();
1418 cpu_synchronize_all_states();
1419 qemu_system_reset(VMRESET_REPORT);
1420 resume_all_vcpus();
1421 }
1422 if (qemu_powerdown_requested()) {
1423 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1424 qemu_irq_raise(qemu_system_powerdown);
1425 }
1426 if ((r = qemu_vmstop_requested())) {
1427 vm_stop(r);
1428 }
1429 }
1430 bdrv_close_all();
1431 pause_all_vcpus();
1432 }
1433
1434 static void version(void)
1435 {
1436 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1437 }
1438
1439 static void help(int exitcode)
1440 {
1441 const char *options_help =
1442 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1443 opt_help
1444 #define DEFHEADING(text) stringify(text) "\n"
1445 #include "qemu-options.def"
1446 #undef DEF
1447 #undef DEFHEADING
1448 #undef GEN_DOCS
1449 ;
1450 version();
1451 printf("usage: %s [options] [disk_image]\n"
1452 "\n"
1453 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1454 "\n"
1455 "%s\n"
1456 "During emulation, the following keys are useful:\n"
1457 "ctrl-alt-f toggle full screen\n"
1458 "ctrl-alt-n switch to virtual console 'n'\n"
1459 "ctrl-alt toggle mouse and keyboard grab\n"
1460 "\n"
1461 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1462 "qemu",
1463 options_help);
1464 exit(exitcode);
1465 }
1466
1467 #define HAS_ARG 0x0001
1468
1469 typedef struct QEMUOption {
1470 const char *name;
1471 int flags;
1472 int index;
1473 uint32_t arch_mask;
1474 } QEMUOption;
1475
1476 static const QEMUOption qemu_options[] = {
1477 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1478 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1479 { option, opt_arg, opt_enum, arch_mask },
1480 #define DEFHEADING(text)
1481 #include "qemu-options.def"
1482 #undef DEF
1483 #undef DEFHEADING
1484 #undef GEN_DOCS
1485 { NULL },
1486 };
1487 static void select_vgahw (const char *p)
1488 {
1489 const char *opts;
1490
1491 default_vga = 0;
1492 vga_interface_type = VGA_NONE;
1493 if (strstart(p, "std", &opts)) {
1494 vga_interface_type = VGA_STD;
1495 } else if (strstart(p, "cirrus", &opts)) {
1496 vga_interface_type = VGA_CIRRUS;
1497 } else if (strstart(p, "vmware", &opts)) {
1498 vga_interface_type = VGA_VMWARE;
1499 } else if (strstart(p, "xenfb", &opts)) {
1500 vga_interface_type = VGA_XENFB;
1501 } else if (strstart(p, "qxl", &opts)) {
1502 vga_interface_type = VGA_QXL;
1503 } else if (!strstart(p, "none", &opts)) {
1504 invalid_vga:
1505 fprintf(stderr, "Unknown vga type: %s\n", p);
1506 exit(1);
1507 }
1508 while (*opts) {
1509 const char *nextopt;
1510
1511 if (strstart(opts, ",retrace=", &nextopt)) {
1512 opts = nextopt;
1513 if (strstart(opts, "dumb", &nextopt))
1514 vga_retrace_method = VGA_RETRACE_DUMB;
1515 else if (strstart(opts, "precise", &nextopt))
1516 vga_retrace_method = VGA_RETRACE_PRECISE;
1517 else goto invalid_vga;
1518 } else goto invalid_vga;
1519 opts = nextopt;
1520 }
1521 }
1522
1523 static DisplayType select_display(const char *p)
1524 {
1525 const char *opts;
1526 DisplayType display = DT_DEFAULT;
1527
1528 if (strstart(p, "sdl", &opts)) {
1529 #ifdef CONFIG_SDL
1530 display = DT_SDL;
1531 while (*opts) {
1532 const char *nextopt;
1533
1534 if (strstart(opts, ",frame=", &nextopt)) {
1535 opts = nextopt;
1536 if (strstart(opts, "on", &nextopt)) {
1537 no_frame = 0;
1538 } else if (strstart(opts, "off", &nextopt)) {
1539 no_frame = 1;
1540 } else {
1541 goto invalid_sdl_args;
1542 }
1543 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1544 opts = nextopt;
1545 if (strstart(opts, "on", &nextopt)) {
1546 alt_grab = 1;
1547 } else if (strstart(opts, "off", &nextopt)) {
1548 alt_grab = 0;
1549 } else {
1550 goto invalid_sdl_args;
1551 }
1552 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1553 opts = nextopt;
1554 if (strstart(opts, "on", &nextopt)) {
1555 ctrl_grab = 1;
1556 } else if (strstart(opts, "off", &nextopt)) {
1557 ctrl_grab = 0;
1558 } else {
1559 goto invalid_sdl_args;
1560 }
1561 } else if (strstart(opts, ",window_close=", &nextopt)) {
1562 opts = nextopt;
1563 if (strstart(opts, "on", &nextopt)) {
1564 no_quit = 0;
1565 } else if (strstart(opts, "off", &nextopt)) {
1566 no_quit = 1;
1567 } else {
1568 goto invalid_sdl_args;
1569 }
1570 } else {
1571 invalid_sdl_args:
1572 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1573 exit(1);
1574 }
1575 opts = nextopt;
1576 }
1577 #else
1578 fprintf(stderr, "SDL support is disabled\n");
1579 exit(1);
1580 #endif
1581 } else if (strstart(p, "vnc", &opts)) {
1582 #ifdef CONFIG_VNC
1583 display_remote++;
1584
1585 if (*opts) {
1586 const char *nextopt;
1587
1588 if (strstart(opts, "=", &nextopt)) {
1589 vnc_display = nextopt;
1590 }
1591 }
1592 if (!vnc_display) {
1593 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1594 exit(1);
1595 }
1596 #else
1597 fprintf(stderr, "VNC support is disabled\n");
1598 exit(1);
1599 #endif
1600 } else if (strstart(p, "curses", &opts)) {
1601 #ifdef CONFIG_CURSES
1602 display = DT_CURSES;
1603 #else
1604 fprintf(stderr, "Curses support is disabled\n");
1605 exit(1);
1606 #endif
1607 } else if (strstart(p, "none", &opts)) {
1608 display = DT_NONE;
1609 } else {
1610 fprintf(stderr, "Unknown display type: %s\n", p);
1611 exit(1);
1612 }
1613
1614 return display;
1615 }
1616
1617 static int balloon_parse(const char *arg)
1618 {
1619 QemuOpts *opts;
1620
1621 if (strcmp(arg, "none") == 0) {
1622 return 0;
1623 }
1624
1625 if (!strncmp(arg, "virtio", 6)) {
1626 if (arg[6] == ',') {
1627 /* have params -> parse them */
1628 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1629 if (!opts)
1630 return -1;
1631 } else {
1632 /* create empty opts */
1633 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1634 }
1635 qemu_opt_set(opts, "driver", "virtio-balloon");
1636 return 0;
1637 }
1638
1639 return -1;
1640 }
1641
1642 char *qemu_find_file(int type, const char *name)
1643 {
1644 int len;
1645 const char *subdir;
1646 char *buf;
1647
1648 /* If name contains path separators then try it as a straight path. */
1649 if ((strchr(name, '/') || strchr(name, '\\'))
1650 && access(name, R_OK) == 0) {
1651 return qemu_strdup(name);
1652 }
1653 switch (type) {
1654 case QEMU_FILE_TYPE_BIOS:
1655 subdir = "";
1656 break;
1657 case QEMU_FILE_TYPE_KEYMAP:
1658 subdir = "keymaps/";
1659 break;
1660 default:
1661 abort();
1662 }
1663 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1664 buf = qemu_mallocz(len);
1665 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1666 if (access(buf, R_OK)) {
1667 qemu_free(buf);
1668 return NULL;
1669 }
1670 return buf;
1671 }
1672
1673 static int device_help_func(QemuOpts *opts, void *opaque)
1674 {
1675 return qdev_device_help(opts);
1676 }
1677
1678 static int device_init_func(QemuOpts *opts, void *opaque)
1679 {
1680 DeviceState *dev;
1681
1682 dev = qdev_device_add(opts);
1683 if (!dev)
1684 return -1;
1685 return 0;
1686 }
1687
1688 static int chardev_init_func(QemuOpts *opts, void *opaque)
1689 {
1690 CharDriverState *chr;
1691
1692 chr = qemu_chr_new_from_opts(opts, NULL);
1693 if (!chr)
1694 return -1;
1695 return 0;
1696 }
1697
1698 #ifdef CONFIG_VIRTFS
1699 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1700 {
1701 int ret;
1702 ret = qemu_fsdev_add(opts);
1703
1704 return ret;
1705 }
1706 #endif
1707
1708 static int mon_init_func(QemuOpts *opts, void *opaque)
1709 {
1710 CharDriverState *chr;
1711 const char *chardev;
1712 const char *mode;
1713 int flags;
1714
1715 mode = qemu_opt_get(opts, "mode");
1716 if (mode == NULL) {
1717 mode = "readline";
1718 }
1719 if (strcmp(mode, "readline") == 0) {
1720 flags = MONITOR_USE_READLINE;
1721 } else if (strcmp(mode, "control") == 0) {
1722 flags = MONITOR_USE_CONTROL;
1723 } else {
1724 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1725 exit(1);
1726 }
1727
1728 if (qemu_opt_get_bool(opts, "pretty", 0))
1729 flags |= MONITOR_USE_PRETTY;
1730
1731 if (qemu_opt_get_bool(opts, "default", 0))
1732 flags |= MONITOR_IS_DEFAULT;
1733
1734 chardev = qemu_opt_get(opts, "chardev");
1735 chr = qemu_chr_find(chardev);
1736 if (chr == NULL) {
1737 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1738 exit(1);
1739 }
1740
1741 monitor_init(chr, flags);
1742 return 0;
1743 }
1744
1745 static void monitor_parse(const char *optarg, const char *mode)
1746 {
1747 static int monitor_device_index = 0;
1748 QemuOpts *opts;
1749 const char *p;
1750 char label[32];
1751 int def = 0;
1752
1753 if (strstart(optarg, "chardev:", &p)) {
1754 snprintf(label, sizeof(label), "%s", p);
1755 } else {
1756 snprintf(label, sizeof(label), "compat_monitor%d",
1757 monitor_device_index);
1758 if (monitor_device_index == 0) {
1759 def = 1;
1760 }
1761 opts = qemu_chr_parse_compat(label, optarg);
1762 if (!opts) {
1763 fprintf(stderr, "parse error: %s\n", optarg);
1764 exit(1);
1765 }
1766 }
1767
1768 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1769 if (!opts) {
1770 fprintf(stderr, "duplicate chardev: %s\n", label);
1771 exit(1);
1772 }
1773 qemu_opt_set(opts, "mode", mode);
1774 qemu_opt_set(opts, "chardev", label);
1775 if (def)
1776 qemu_opt_set(opts, "default", "on");
1777 monitor_device_index++;
1778 }
1779
1780 struct device_config {
1781 enum {
1782 DEV_USB, /* -usbdevice */
1783 DEV_BT, /* -bt */
1784 DEV_SERIAL, /* -serial */
1785 DEV_PARALLEL, /* -parallel */
1786 DEV_VIRTCON, /* -virtioconsole */
1787 DEV_DEBUGCON, /* -debugcon */
1788 } type;
1789 const char *cmdline;
1790 QTAILQ_ENTRY(device_config) next;
1791 };
1792 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1793
1794 static void add_device_config(int type, const char *cmdline)
1795 {
1796 struct device_config *conf;
1797
1798 conf = qemu_mallocz(sizeof(*conf));
1799 conf->type = type;
1800 conf->cmdline = cmdline;
1801 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1802 }
1803
1804 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1805 {
1806 struct device_config *conf;
1807 int rc;
1808
1809 QTAILQ_FOREACH(conf, &device_configs, next) {
1810 if (conf->type != type)
1811 continue;
1812 rc = func(conf->cmdline);
1813 if (0 != rc)
1814 return rc;
1815 }
1816 return 0;
1817 }
1818
1819 static int serial_parse(const char *devname)
1820 {
1821 static int index = 0;
1822 char label[32];
1823
1824 if (strcmp(devname, "none") == 0)
1825 return 0;
1826 if (index == MAX_SERIAL_PORTS) {
1827 fprintf(stderr, "qemu: too many serial ports\n");
1828 exit(1);
1829 }
1830 snprintf(label, sizeof(label), "serial%d", index);
1831 serial_hds[index] = qemu_chr_new(label, devname, NULL);
1832 if (!serial_hds[index]) {
1833 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1834 devname, strerror(errno));
1835 return -1;
1836 }
1837 index++;
1838 return 0;
1839 }
1840
1841 static int parallel_parse(const char *devname)
1842 {
1843 static int index = 0;
1844 char label[32];
1845
1846 if (strcmp(devname, "none") == 0)
1847 return 0;
1848 if (index == MAX_PARALLEL_PORTS) {
1849 fprintf(stderr, "qemu: too many parallel ports\n");
1850 exit(1);
1851 }
1852 snprintf(label, sizeof(label), "parallel%d", index);
1853 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
1854 if (!parallel_hds[index]) {
1855 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1856 devname, strerror(errno));
1857 return -1;
1858 }
1859 index++;
1860 return 0;
1861 }
1862
1863 static int virtcon_parse(const char *devname)
1864 {
1865 QemuOptsList *device = qemu_find_opts("device");
1866 static int index = 0;
1867 char label[32];
1868 QemuOpts *bus_opts, *dev_opts;
1869
1870 if (strcmp(devname, "none") == 0)
1871 return 0;
1872 if (index == MAX_VIRTIO_CONSOLES) {
1873 fprintf(stderr, "qemu: too many virtio consoles\n");
1874 exit(1);
1875 }
1876
1877 bus_opts = qemu_opts_create(device, NULL, 0);
1878 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1879
1880 dev_opts = qemu_opts_create(device, NULL, 0);
1881 qemu_opt_set(dev_opts, "driver", "virtconsole");
1882
1883 snprintf(label, sizeof(label), "virtcon%d", index);
1884 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
1885 if (!virtcon_hds[index]) {
1886 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1887 devname, strerror(errno));
1888 return -1;
1889 }
1890 qemu_opt_set(dev_opts, "chardev", label);
1891
1892 index++;
1893 return 0;
1894 }
1895
1896 static int debugcon_parse(const char *devname)
1897 {
1898 QemuOpts *opts;
1899
1900 if (!qemu_chr_new("debugcon", devname, NULL)) {
1901 exit(1);
1902 }
1903 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1904 if (!opts) {
1905 fprintf(stderr, "qemu: already have a debugcon device\n");
1906 exit(1);
1907 }
1908 qemu_opt_set(opts, "driver", "isa-debugcon");
1909 qemu_opt_set(opts, "chardev", "debugcon");
1910 return 0;
1911 }
1912
1913 static QEMUMachine *machine_parse(const char *name)
1914 {
1915 QEMUMachine *m, *machine = NULL;
1916
1917 if (name) {
1918 machine = find_machine(name);
1919 }
1920 if (machine) {
1921 return machine;
1922 }
1923 printf("Supported machines are:\n");
1924 for (m = first_machine; m != NULL; m = m->next) {
1925 if (m->alias) {
1926 printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name);
1927 }
1928 printf("%-10s %s%s\n", m->name, m->desc,
1929 m->is_default ? " (default)" : "");
1930 }
1931 exit(!name || *name != '?');
1932 }
1933
1934 static int tcg_init(void)
1935 {
1936 tcg_exec_init(tcg_tb_size * 1024 * 1024);
1937 return 0;
1938 }
1939
1940 static struct {
1941 const char *opt_name;
1942 const char *name;
1943 int (*available)(void);
1944 int (*init)(void);
1945 int *allowed;
1946 } accel_list[] = {
1947 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
1948 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
1949 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
1950 };
1951
1952 static int configure_accelerator(void)
1953 {
1954 const char *p = NULL;
1955 char buf[10];
1956 int i, ret;
1957 bool accel_initalised = 0;
1958 bool init_failed = 0;
1959
1960 QemuOptsList *list = qemu_find_opts("machine");
1961 if (!QTAILQ_EMPTY(&list->head)) {
1962 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
1963 }
1964
1965 if (p == NULL) {
1966 /* Use the default "accelerator", tcg */
1967 p = "tcg";
1968 }
1969
1970 while (!accel_initalised && *p != '\0') {
1971 if (*p == ':') {
1972 p++;
1973 }
1974 p = get_opt_name(buf, sizeof (buf), p, ':');
1975 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
1976 if (strcmp(accel_list[i].opt_name, buf) == 0) {
1977 *(accel_list[i].allowed) = 1;
1978 ret = accel_list[i].init();
1979 if (ret < 0) {
1980 init_failed = 1;
1981 if (!accel_list[i].available()) {
1982 printf("%s not supported for this target\n",
1983 accel_list[i].name);
1984 } else {
1985 fprintf(stderr, "failed to initialize %s: %s\n",
1986 accel_list[i].name,
1987 strerror(-ret));
1988 }
1989 *(accel_list[i].allowed) = 0;
1990 } else {
1991 accel_initalised = 1;
1992 }
1993 break;
1994 }
1995 }
1996 if (i == ARRAY_SIZE(accel_list)) {
1997 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
1998 }
1999 }
2000
2001 if (!accel_initalised) {
2002 fprintf(stderr, "No accelerator found!\n");
2003 exit(1);
2004 }
2005
2006 if (init_failed) {
2007 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2008 }
2009
2010 return !accel_initalised;
2011 }
2012
2013 void qemu_add_exit_notifier(Notifier *notify)
2014 {
2015 notifier_list_add(&exit_notifiers, notify);
2016 }
2017
2018 void qemu_remove_exit_notifier(Notifier *notify)
2019 {
2020 notifier_list_remove(&exit_notifiers, notify);
2021 }
2022
2023 static void qemu_run_exit_notifiers(void)
2024 {
2025 notifier_list_notify(&exit_notifiers, NULL);
2026 }
2027
2028 void qemu_add_machine_init_done_notifier(Notifier *notify)
2029 {
2030 notifier_list_add(&machine_init_done_notifiers, notify);
2031 }
2032
2033 static void qemu_run_machine_init_done_notifiers(void)
2034 {
2035 notifier_list_notify(&machine_init_done_notifiers, NULL);
2036 }
2037
2038 static const QEMUOption *lookup_opt(int argc, char **argv,
2039 const char **poptarg, int *poptind)
2040 {
2041 const QEMUOption *popt;
2042 int optind = *poptind;
2043 char *r = argv[optind];
2044 const char *optarg;
2045
2046 loc_set_cmdline(argv, optind, 1);
2047 optind++;
2048 /* Treat --foo the same as -foo. */
2049 if (r[1] == '-')
2050 r++;
2051 popt = qemu_options;
2052 for(;;) {
2053 if (!popt->name) {
2054 error_report("invalid option");
2055 exit(1);
2056 }
2057 if (!strcmp(popt->name, r + 1))
2058 break;
2059 popt++;
2060 }
2061 if (popt->flags & HAS_ARG) {
2062 if (optind >= argc) {
2063 error_report("requires an argument");
2064 exit(1);
2065 }
2066 optarg = argv[optind++];
2067 loc_set_cmdline(argv, optind - 2, 2);
2068 } else {
2069 optarg = NULL;
2070 }
2071
2072 *poptarg = optarg;
2073 *poptind = optind;
2074
2075 return popt;
2076 }
2077
2078 int main(int argc, char **argv, char **envp)
2079 {
2080 const char *gdbstub_dev = NULL;
2081 int i;
2082 int snapshot, linux_boot;
2083 const char *icount_option = NULL;
2084 const char *initrd_filename;
2085 const char *kernel_filename, *kernel_cmdline;
2086 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2087 DisplayState *ds;
2088 DisplayChangeListener *dcl;
2089 int cyls, heads, secs, translation;
2090 QemuOpts *hda_opts = NULL, *opts;
2091 QemuOptsList *olist;
2092 int optind;
2093 const char *optarg;
2094 const char *loadvm = NULL;
2095 QEMUMachine *machine;
2096 const char *cpu_model;
2097 const char *pid_file = NULL;
2098 const char *incoming = NULL;
2099 #ifdef CONFIG_VNC
2100 int show_vnc_port = 0;
2101 #endif
2102 int defconfig = 1;
2103 const char *trace_file = NULL;
2104 const char *log_mask = NULL;
2105 const char *log_file = NULL;
2106
2107 atexit(qemu_run_exit_notifiers);
2108 error_set_progname(argv[0]);
2109
2110 init_clocks();
2111
2112 qemu_cache_utils_init(envp);
2113
2114 QLIST_INIT (&vm_change_state_head);
2115 os_setup_early_signal_handling();
2116
2117 module_call_init(MODULE_INIT_MACHINE);
2118 machine = find_default_machine();
2119 cpu_model = NULL;
2120 initrd_filename = NULL;
2121 ram_size = 0;
2122 snapshot = 0;
2123 kernel_filename = NULL;
2124 kernel_cmdline = "";
2125 cyls = heads = secs = 0;
2126 translation = BIOS_ATA_TRANSLATION_AUTO;
2127
2128 for (i = 0; i < MAX_NODES; i++) {
2129 node_mem[i] = 0;
2130 node_cpumask[i] = 0;
2131 }
2132
2133 nb_numa_nodes = 0;
2134 nb_nics = 0;
2135
2136 autostart= 1;
2137
2138 /* first pass of option parsing */
2139 optind = 1;
2140 while (optind < argc) {
2141 if (argv[optind][0] != '-') {
2142 /* disk image */
2143 optind++;
2144 continue;
2145 } else {
2146 const QEMUOption *popt;
2147
2148 popt = lookup_opt(argc, argv, &optarg, &optind);
2149 switch (popt->index) {
2150 case QEMU_OPTION_nodefconfig:
2151 defconfig=0;
2152 break;
2153 }
2154 }
2155 }
2156
2157 if (defconfig) {
2158 int ret;
2159
2160 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2161 if (ret < 0 && ret != -ENOENT) {
2162 exit(1);
2163 }
2164
2165 ret = qemu_read_config_file(arch_config_name);
2166 if (ret < 0 && ret != -ENOENT) {
2167 exit(1);
2168 }
2169 }
2170 cpudef_init();
2171
2172 /* second pass of option parsing */
2173 optind = 1;
2174 for(;;) {
2175 if (optind >= argc)
2176 break;
2177 if (argv[optind][0] != '-') {
2178 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2179 } else {
2180 const QEMUOption *popt;
2181
2182 popt = lookup_opt(argc, argv, &optarg, &optind);
2183 if (!(popt->arch_mask & arch_type)) {
2184 printf("Option %s not supported for this target\n", popt->name);
2185 exit(1);
2186 }
2187 switch(popt->index) {
2188 case QEMU_OPTION_M:
2189 machine = machine_parse(optarg);
2190 break;
2191 case QEMU_OPTION_cpu:
2192 /* hw initialization will check this */
2193 if (*optarg == '?') {
2194 list_cpus(stdout, &fprintf, optarg);
2195 exit(0);
2196 } else {
2197 cpu_model = optarg;
2198 }
2199 break;
2200 case QEMU_OPTION_initrd:
2201 initrd_filename = optarg;
2202 break;
2203 case QEMU_OPTION_hda:
2204 {
2205 char buf[256];
2206 if (cyls == 0)
2207 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2208 else
2209 snprintf(buf, sizeof(buf),
2210 "%s,cyls=%d,heads=%d,secs=%d%s",
2211 HD_OPTS , cyls, heads, secs,
2212 translation == BIOS_ATA_TRANSLATION_LBA ?
2213 ",trans=lba" :
2214 translation == BIOS_ATA_TRANSLATION_NONE ?
2215 ",trans=none" : "");
2216 drive_add(IF_DEFAULT, 0, optarg, buf);
2217 break;
2218 }
2219 case QEMU_OPTION_hdb:
2220 case QEMU_OPTION_hdc:
2221 case QEMU_OPTION_hdd:
2222 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2223 HD_OPTS);
2224 break;
2225 case QEMU_OPTION_drive:
2226 if (drive_def(optarg) == NULL) {
2227 exit(1);
2228 }
2229 break;
2230 case QEMU_OPTION_set:
2231 if (qemu_set_option(optarg) != 0)
2232 exit(1);
2233 break;
2234 case QEMU_OPTION_global:
2235 if (qemu_global_option(optarg) != 0)
2236 exit(1);
2237 break;
2238 case QEMU_OPTION_mtdblock:
2239 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2240 break;
2241 case QEMU_OPTION_sd:
2242 drive_add(IF_SD, 0, optarg, SD_OPTS);
2243 break;
2244 case QEMU_OPTION_pflash:
2245 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2246 break;
2247 case QEMU_OPTION_snapshot:
2248 snapshot = 1;
2249 break;
2250 case QEMU_OPTION_hdachs:
2251 {
2252 const char *p;
2253 p = optarg;
2254 cyls = strtol(p, (char **)&p, 0);
2255 if (cyls < 1 || cyls > 16383)
2256 goto chs_fail;
2257 if (*p != ',')
2258 goto chs_fail;
2259 p++;
2260 heads = strtol(p, (char **)&p, 0);
2261 if (heads < 1 || heads > 16)
2262 goto chs_fail;
2263 if (*p != ',')
2264 goto chs_fail;
2265 p++;
2266 secs = strtol(p, (char **)&p, 0);
2267 if (secs < 1 || secs > 63)
2268 goto chs_fail;
2269 if (*p == ',') {
2270 p++;
2271 if (!strcmp(p, "none"))
2272 translation = BIOS_ATA_TRANSLATION_NONE;
2273 else if (!strcmp(p, "lba"))
2274 translation = BIOS_ATA_TRANSLATION_LBA;
2275 else if (!strcmp(p, "auto"))
2276 translation = BIOS_ATA_TRANSLATION_AUTO;
2277 else
2278 goto chs_fail;
2279 } else if (*p != '\0') {
2280 chs_fail:
2281 fprintf(stderr, "qemu: invalid physical CHS format\n");
2282 exit(1);
2283 }
2284 if (hda_opts != NULL) {
2285 char num[16];
2286 snprintf(num, sizeof(num), "%d", cyls);
2287 qemu_opt_set(hda_opts, "cyls", num);
2288 snprintf(num, sizeof(num), "%d", heads);
2289 qemu_opt_set(hda_opts, "heads", num);
2290 snprintf(num, sizeof(num), "%d", secs);
2291 qemu_opt_set(hda_opts, "secs", num);
2292 if (translation == BIOS_ATA_TRANSLATION_LBA)
2293 qemu_opt_set(hda_opts, "trans", "lba");
2294 if (translation == BIOS_ATA_TRANSLATION_NONE)
2295 qemu_opt_set(hda_opts, "trans", "none");
2296 }
2297 }
2298 break;
2299 case QEMU_OPTION_numa:
2300 if (nb_numa_nodes >= MAX_NODES) {
2301 fprintf(stderr, "qemu: too many NUMA nodes\n");
2302 exit(1);
2303 }
2304 numa_add(optarg);
2305 break;
2306 case QEMU_OPTION_display:
2307 display_type = select_display(optarg);
2308 break;
2309 case QEMU_OPTION_nographic:
2310 display_type = DT_NOGRAPHIC;
2311 break;
2312 case QEMU_OPTION_curses:
2313 #ifdef CONFIG_CURSES
2314 display_type = DT_CURSES;
2315 #else
2316 fprintf(stderr, "Curses support is disabled\n");
2317 exit(1);
2318 #endif
2319 break;
2320 case QEMU_OPTION_portrait:
2321 graphic_rotate = 90;
2322 break;
2323 case QEMU_OPTION_rotate:
2324 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2325 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2326 graphic_rotate != 180 && graphic_rotate != 270) {
2327 fprintf(stderr,
2328 "qemu: only 90, 180, 270 deg rotation is available\n");
2329 exit(1);
2330 }
2331 break;
2332 case QEMU_OPTION_kernel:
2333 kernel_filename = optarg;
2334 break;
2335 case QEMU_OPTION_append:
2336 kernel_cmdline = optarg;
2337 break;
2338 case QEMU_OPTION_cdrom:
2339 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2340 break;
2341 case QEMU_OPTION_boot:
2342 {
2343 static const char * const params[] = {
2344 "order", "once", "menu",
2345 "splash", "splash-time", NULL
2346 };
2347 char buf[sizeof(boot_devices)];
2348 char *standard_boot_devices;
2349 int legacy = 0;
2350
2351 if (!strchr(optarg, '=')) {
2352 legacy = 1;
2353 pstrcpy(buf, sizeof(buf), optarg);
2354 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2355 fprintf(stderr,
2356 "qemu: unknown boot parameter '%s' in '%s'\n",
2357 buf, optarg);
2358 exit(1);
2359 }
2360
2361 if (legacy ||
2362 get_param_value(buf, sizeof(buf), "order", optarg)) {
2363 validate_bootdevices(buf);
2364 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2365 }
2366 if (!legacy) {
2367 if (get_param_value(buf, sizeof(buf),
2368 "once", optarg)) {
2369 validate_bootdevices(buf);
2370 standard_boot_devices = qemu_strdup(boot_devices);
2371 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2372 qemu_register_reset(restore_boot_devices,
2373 standard_boot_devices);
2374 }
2375 if (get_param_value(buf, sizeof(buf),
2376 "menu", optarg)) {
2377 if (!strcmp(buf, "on")) {
2378 boot_menu = 1;
2379 } else if (!strcmp(buf, "off")) {
2380 boot_menu = 0;
2381 } else {
2382 fprintf(stderr,
2383 "qemu: invalid option value '%s'\n",
2384 buf);
2385 exit(1);
2386 }
2387 }
2388 qemu_opts_parse(qemu_find_opts("boot-opts"),
2389 optarg, 0);
2390 }
2391 }
2392 break;
2393 case QEMU_OPTION_fda:
2394 case QEMU_OPTION_fdb:
2395 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2396 optarg, FD_OPTS);
2397 break;
2398 case QEMU_OPTION_no_fd_bootchk:
2399 fd_bootchk = 0;
2400 break;
2401 case QEMU_OPTION_netdev:
2402 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2403 exit(1);
2404 }
2405 break;
2406 case QEMU_OPTION_net:
2407 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2408 exit(1);
2409 }
2410 break;
2411 #ifdef CONFIG_SLIRP
2412 case QEMU_OPTION_tftp:
2413 legacy_tftp_prefix = optarg;
2414 break;
2415 case QEMU_OPTION_bootp:
2416 legacy_bootp_filename = optarg;
2417 break;
2418 case QEMU_OPTION_redir:
2419 if (net_slirp_redir(optarg) < 0)
2420 exit(1);
2421 break;
2422 #endif
2423 case QEMU_OPTION_bt:
2424 add_device_config(DEV_BT, optarg);
2425 break;
2426 case QEMU_OPTION_audio_help:
2427 if (!(audio_available())) {
2428 printf("Option %s not supported for this target\n", popt->name);
2429 exit(1);
2430 }
2431 AUD_help ();
2432 exit (0);
2433 break;
2434 case QEMU_OPTION_soundhw:
2435 if (!(audio_available())) {
2436 printf("Option %s not supported for this target\n", popt->name);
2437 exit(1);
2438 }
2439 select_soundhw (optarg);
2440 break;
2441 case QEMU_OPTION_h:
2442 help(0);
2443 break;
2444 case QEMU_OPTION_version:
2445 version();
2446 exit(0);
2447 break;
2448 case QEMU_OPTION_m: {
2449 int64_t value;
2450
2451 value = strtosz(optarg, NULL);
2452 if (value < 0) {
2453 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2454 exit(1);
2455 }
2456
2457 if (value != (uint64_t)(ram_addr_t)value) {
2458 fprintf(stderr, "qemu: ram size too large\n");
2459 exit(1);
2460 }
2461 ram_size = value;
2462 break;
2463 }
2464 case QEMU_OPTION_mempath:
2465 mem_path = optarg;
2466 break;
2467 #ifdef MAP_POPULATE
2468 case QEMU_OPTION_mem_prealloc:
2469 mem_prealloc = 1;
2470 break;
2471 #endif
2472 case QEMU_OPTION_d:
2473 log_mask = optarg;
2474 break;
2475 case QEMU_OPTION_D:
2476 log_file = optarg;
2477 break;
2478 case QEMU_OPTION_s:
2479 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2480 break;
2481 case QEMU_OPTION_gdb:
2482 gdbstub_dev = optarg;
2483 break;
2484 case QEMU_OPTION_L:
2485 data_dir = optarg;
2486 break;
2487 case QEMU_OPTION_bios:
2488 bios_name = optarg;
2489 break;
2490 case QEMU_OPTION_singlestep:
2491 singlestep = 1;
2492 break;
2493 case QEMU_OPTION_S:
2494 autostart = 0;
2495 break;
2496 case QEMU_OPTION_k:
2497 keyboard_layout = optarg;
2498 break;
2499 case QEMU_OPTION_localtime:
2500 rtc_utc = 0;
2501 break;
2502 case QEMU_OPTION_vga:
2503 select_vgahw (optarg);
2504 break;
2505 case QEMU_OPTION_g:
2506 {
2507 const char *p;
2508 int w, h, depth;
2509 p = optarg;
2510 w = strtol(p, (char **)&p, 10);
2511 if (w <= 0) {
2512 graphic_error:
2513 fprintf(stderr, "qemu: invalid resolution or depth\n");
2514 exit(1);
2515 }
2516 if (*p != 'x')
2517 goto graphic_error;
2518 p++;
2519 h = strtol(p, (char **)&p, 10);
2520 if (h <= 0)
2521 goto graphic_error;
2522 if (*p == 'x') {
2523 p++;
2524 depth = strtol(p, (char **)&p, 10);
2525 if (depth != 8 && depth != 15 && depth != 16 &&
2526 depth != 24 && depth != 32)
2527 goto graphic_error;
2528 } else if (*p == '\0') {
2529 depth = graphic_depth;
2530 } else {
2531 goto graphic_error;
2532 }
2533
2534 graphic_width = w;
2535 graphic_height = h;
2536 graphic_depth = depth;
2537 }
2538 break;
2539 case QEMU_OPTION_echr:
2540 {
2541 char *r;
2542 term_escape_char = strtol(optarg, &r, 0);
2543 if (r == optarg)
2544 printf("Bad argument to echr\n");
2545 break;
2546 }
2547 case QEMU_OPTION_monitor:
2548 monitor_parse(optarg, "readline");
2549 default_monitor = 0;
2550 break;
2551 case QEMU_OPTION_qmp:
2552 monitor_parse(optarg, "control");
2553 default_monitor = 0;
2554 break;
2555 case QEMU_OPTION_mon:
2556 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2557 if (!opts) {
2558 exit(1);
2559 }
2560 default_monitor = 0;
2561 break;
2562 case QEMU_OPTION_chardev:
2563 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2564 if (!opts) {
2565 exit(1);
2566 }
2567 break;
2568 case QEMU_OPTION_fsdev:
2569 olist = qemu_find_opts("fsdev");
2570 if (!olist) {
2571 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2572 exit(1);
2573 }
2574 opts = qemu_opts_parse(olist, optarg, 1);
2575 if (!opts) {
2576 fprintf(stderr, "parse error: %s\n", optarg);
2577 exit(1);
2578 }
2579 break;
2580 case QEMU_OPTION_virtfs: {
2581 QemuOpts *fsdev;
2582 QemuOpts *device;
2583
2584 olist = qemu_find_opts("virtfs");
2585 if (!olist) {
2586 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2587 exit(1);
2588 }
2589 opts = qemu_opts_parse(olist, optarg, 1);
2590 if (!opts) {
2591 fprintf(stderr, "parse error: %s\n", optarg);
2592 exit(1);
2593 }
2594
2595 if (qemu_opt_get(opts, "fstype") == NULL ||
2596 qemu_opt_get(opts, "mount_tag") == NULL ||
2597 qemu_opt_get(opts, "path") == NULL ||
2598 qemu_opt_get(opts, "security_model") == NULL) {
2599 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2600 "security_model=[mapped|passthrough|none],"
2601 "mount_tag=tag.\n");
2602 exit(1);
2603 }
2604
2605 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2606 qemu_opt_get(opts, "mount_tag"), 1);
2607 if (!fsdev) {
2608 fprintf(stderr, "duplicate fsdev id: %s\n",
2609 qemu_opt_get(opts, "mount_tag"));
2610 exit(1);
2611 }
2612 qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype"));
2613 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2614 qemu_opt_set(fsdev, "security_model",
2615 qemu_opt_get(opts, "security_model"));
2616
2617 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2618 qemu_opt_set(device, "driver", "virtio-9p-pci");
2619 qemu_opt_set(device, "fsdev",
2620 qemu_opt_get(opts, "mount_tag"));
2621 qemu_opt_set(device, "mount_tag",
2622 qemu_opt_get(opts, "mount_tag"));
2623 break;
2624 }
2625 case QEMU_OPTION_serial:
2626 add_device_config(DEV_SERIAL, optarg);
2627 default_serial = 0;
2628 if (strncmp(optarg, "mon:", 4) == 0) {
2629 default_monitor = 0;
2630 }
2631 break;
2632 case QEMU_OPTION_watchdog:
2633 if (watchdog) {
2634 fprintf(stderr,
2635 "qemu: only one watchdog option may be given\n");
2636 return 1;
2637 }
2638 watchdog = optarg;
2639 break;
2640 case QEMU_OPTION_watchdog_action:
2641 if (select_watchdog_action(optarg) == -1) {
2642 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2643 exit(1);
2644 }
2645 break;
2646 case QEMU_OPTION_virtiocon:
2647 add_device_config(DEV_VIRTCON, optarg);
2648 default_virtcon = 0;
2649 if (strncmp(optarg, "mon:", 4) == 0) {
2650 default_monitor = 0;
2651 }
2652 break;
2653 case QEMU_OPTION_parallel:
2654 add_device_config(DEV_PARALLEL, optarg);
2655 default_parallel = 0;
2656 if (strncmp(optarg, "mon:", 4) == 0) {
2657 default_monitor = 0;
2658 }
2659 break;
2660 case QEMU_OPTION_debugcon:
2661 add_device_config(DEV_DEBUGCON, optarg);
2662 break;
2663 case QEMU_OPTION_loadvm:
2664 loadvm = optarg;
2665 break;
2666 case QEMU_OPTION_full_screen:
2667 full_screen = 1;
2668 break;
2669 #ifdef CONFIG_SDL
2670 case QEMU_OPTION_no_frame:
2671 no_frame = 1;
2672 break;
2673 case QEMU_OPTION_alt_grab:
2674 alt_grab = 1;
2675 break;
2676 case QEMU_OPTION_ctrl_grab:
2677 ctrl_grab = 1;
2678 break;
2679 case QEMU_OPTION_no_quit:
2680 no_quit = 1;
2681 break;
2682 case QEMU_OPTION_sdl:
2683 display_type = DT_SDL;
2684 break;
2685 #else
2686 case QEMU_OPTION_no_frame:
2687 case QEMU_OPTION_alt_grab:
2688 case QEMU_OPTION_ctrl_grab:
2689 case QEMU_OPTION_no_quit:
2690 case QEMU_OPTION_sdl:
2691 fprintf(stderr, "SDL support is disabled\n");
2692 exit(1);
2693 #endif
2694 case QEMU_OPTION_pidfile:
2695 pid_file = optarg;
2696 break;
2697 case QEMU_OPTION_win2k_hack:
2698 win2k_install_hack = 1;
2699 break;
2700 case QEMU_OPTION_rtc_td_hack:
2701 rtc_td_hack = 1;
2702 break;
2703 case QEMU_OPTION_acpitable:
2704 do_acpitable_option(optarg);
2705 break;
2706 case QEMU_OPTION_smbios:
2707 do_smbios_option(optarg);
2708 break;
2709 case QEMU_OPTION_enable_kvm:
2710 olist = qemu_find_opts("machine");
2711 qemu_opts_reset(olist);
2712 qemu_opts_parse(olist, "accel=kvm", 0);
2713 break;
2714 case QEMU_OPTION_machine:
2715 olist = qemu_find_opts("machine");
2716 qemu_opts_reset(olist);
2717 opts = qemu_opts_parse(olist, optarg, 1);
2718 if (!opts) {
2719 fprintf(stderr, "parse error: %s\n", optarg);
2720 exit(1);
2721 }
2722 optarg = qemu_opt_get(opts, "type");
2723 if (optarg) {
2724 machine = machine_parse(optarg);
2725 }
2726 break;
2727 case QEMU_OPTION_usb:
2728 usb_enabled = 1;
2729 break;
2730 case QEMU_OPTION_usbdevice:
2731 usb_enabled = 1;
2732 add_device_config(DEV_USB, optarg);
2733 break;
2734 case QEMU_OPTION_device:
2735 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2736 exit(1);
2737 }
2738 break;
2739 case QEMU_OPTION_smp:
2740 smp_parse(optarg);
2741 if (smp_cpus < 1) {
2742 fprintf(stderr, "Invalid number of CPUs\n");
2743 exit(1);
2744 }
2745 if (max_cpus < smp_cpus) {
2746 fprintf(stderr, "maxcpus must be equal to or greater than "
2747 "smp\n");
2748 exit(1);
2749 }
2750 if (max_cpus > 255) {
2751 fprintf(stderr, "Unsupported number of maxcpus\n");
2752 exit(1);
2753 }
2754 break;
2755 case QEMU_OPTION_vnc:
2756 #ifdef CONFIG_VNC
2757 display_remote++;
2758 vnc_display = optarg;
2759 #else
2760 fprintf(stderr, "VNC support is disabled\n");
2761 exit(1);
2762 #endif
2763 break;
2764 case QEMU_OPTION_no_acpi:
2765 acpi_enabled = 0;
2766 break;
2767 case QEMU_OPTION_no_hpet:
2768 no_hpet = 1;
2769 break;
2770 case QEMU_OPTION_balloon:
2771 if (balloon_parse(optarg) < 0) {
2772 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2773 exit(1);
2774 }
2775 break;
2776 case QEMU_OPTION_no_reboot:
2777 no_reboot = 1;
2778 break;
2779 case QEMU_OPTION_no_shutdown:
2780 no_shutdown = 1;
2781 break;
2782 case QEMU_OPTION_show_cursor:
2783 cursor_hide = 0;
2784 break;
2785 case QEMU_OPTION_uuid:
2786 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2787 fprintf(stderr, "Fail to parse UUID string."
2788 " Wrong format.\n");
2789 exit(1);
2790 }
2791 break;
2792 case QEMU_OPTION_option_rom:
2793 if (nb_option_roms >= MAX_OPTION_ROMS) {
2794 fprintf(stderr, "Too many option ROMs\n");
2795 exit(1);
2796 }
2797 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2798 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2799 option_rom[nb_option_roms].bootindex =
2800 qemu_opt_get_number(opts, "bootindex", -1);
2801 if (!option_rom[nb_option_roms].name) {
2802 fprintf(stderr, "Option ROM file is not specified\n");
2803 exit(1);
2804 }
2805 nb_option_roms++;
2806 break;
2807 case QEMU_OPTION_semihosting:
2808 semihosting_enabled = 1;
2809 break;
2810 case QEMU_OPTION_name:
2811 qemu_name = qemu_strdup(optarg);
2812 {
2813 char *p = strchr(qemu_name, ',');
2814 if (p != NULL) {
2815 *p++ = 0;
2816 if (strncmp(p, "process=", 8)) {
2817 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2818 exit(1);
2819 }
2820 p += 8;
2821 os_set_proc_name(p);
2822 }
2823 }
2824 break;
2825 case QEMU_OPTION_prom_env:
2826 if (nb_prom_envs >= MAX_PROM_ENVS) {
2827 fprintf(stderr, "Too many prom variables\n");
2828 exit(1);
2829 }
2830 prom_envs[nb_prom_envs] = optarg;
2831 nb_prom_envs++;
2832 break;
2833 case QEMU_OPTION_old_param:
2834 old_param = 1;
2835 break;
2836 case QEMU_OPTION_clock:
2837 configure_alarms(optarg);
2838 break;
2839 case QEMU_OPTION_startdate:
2840 configure_rtc_date_offset(optarg, 1);
2841 break;
2842 case QEMU_OPTION_rtc:
2843 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2844 if (!opts) {
2845 exit(1);
2846 }
2847 configure_rtc(opts);
2848 break;
2849 case QEMU_OPTION_tb_size:
2850 tcg_tb_size = strtol(optarg, NULL, 0);
2851 if (tcg_tb_size < 0) {
2852 tcg_tb_size = 0;
2853 }
2854 break;
2855 case QEMU_OPTION_icount:
2856 icount_option = optarg;
2857 break;
2858 case QEMU_OPTION_incoming:
2859 incoming = optarg;
2860 incoming_expected = true;
2861 break;
2862 case QEMU_OPTION_nodefaults:
2863 default_serial = 0;
2864 default_parallel = 0;
2865 default_virtcon = 0;
2866 default_monitor = 0;
2867 default_vga = 0;
2868 default_net = 0;
2869 default_floppy = 0;
2870 default_cdrom = 0;
2871 default_sdcard = 0;
2872 break;
2873 case QEMU_OPTION_xen_domid:
2874 if (!(xen_available())) {
2875 printf("Option %s not supported for this target\n", popt->name);
2876 exit(1);
2877 }
2878 xen_domid = atoi(optarg);
2879 break;
2880 case QEMU_OPTION_xen_create:
2881 if (!(xen_available())) {
2882 printf("Option %s not supported for this target\n", popt->name);
2883 exit(1);
2884 }
2885 xen_mode = XEN_CREATE;
2886 break;
2887 case QEMU_OPTION_xen_attach:
2888 if (!(xen_available())) {
2889 printf("Option %s not supported for this target\n", popt->name);
2890 exit(1);
2891 }
2892 xen_mode = XEN_ATTACH;
2893 break;
2894 #ifdef CONFIG_SIMPLE_TRACE
2895 case QEMU_OPTION_trace:
2896 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2897 if (opts) {
2898 trace_file = qemu_opt_get(opts, "file");
2899 }
2900 break;
2901 #endif
2902 case QEMU_OPTION_readconfig:
2903 {
2904 int ret = qemu_read_config_file(optarg);
2905 if (ret < 0) {
2906 fprintf(stderr, "read config %s: %s\n", optarg,
2907 strerror(-ret));
2908 exit(1);
2909 }
2910 break;
2911 }
2912 case QEMU_OPTION_spice:
2913 olist = qemu_find_opts("spice");
2914 if (!olist) {
2915 fprintf(stderr, "spice is not supported by this qemu build.\n");
2916 exit(1);
2917 }
2918 opts = qemu_opts_parse(olist, optarg, 0);
2919 if (!opts) {
2920 fprintf(stderr, "parse error: %s\n", optarg);
2921 exit(1);
2922 }
2923 break;
2924 case QEMU_OPTION_writeconfig:
2925 {
2926 FILE *fp;
2927 if (strcmp(optarg, "-") == 0) {
2928 fp = stdout;
2929 } else {
2930 fp = fopen(optarg, "w");
2931 if (fp == NULL) {
2932 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2933 exit(1);
2934 }
2935 }
2936 qemu_config_write(fp);
2937 fclose(fp);
2938 break;
2939 }
2940 default:
2941 os_parse_cmd_args(popt->index, optarg);
2942 }
2943 }
2944 }
2945 loc_set_none();
2946
2947 /* Open the logfile at this point, if necessary. We can't open the logfile
2948 * when encountering either of the logging options (-d or -D) because the
2949 * other one may be encountered later on the command line, changing the
2950 * location or level of logging.
2951 */
2952 if (log_mask) {
2953 if (log_file) {
2954 set_cpu_log_filename(log_file);
2955 }
2956 set_cpu_log(log_mask);
2957 }
2958
2959 if (!st_init(trace_file)) {
2960 fprintf(stderr, "warning: unable to initialize simple trace backend\n");
2961 }
2962
2963 /* If no data_dir is specified then try to find it relative to the
2964 executable path. */
2965 if (!data_dir) {
2966 data_dir = os_find_datadir(argv[0]);
2967 }
2968 /* If all else fails use the install patch specified when building. */
2969 if (!data_dir) {
2970 data_dir = CONFIG_QEMU_DATADIR;
2971 }
2972
2973 /*
2974 * Default to max_cpus = smp_cpus, in case the user doesn't
2975 * specify a max_cpus value.
2976 */
2977 if (!max_cpus)
2978 max_cpus = smp_cpus;
2979
2980 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2981 if (smp_cpus > machine->max_cpus) {
2982 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2983 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2984 machine->max_cpus);
2985 exit(1);
2986 }
2987
2988 /*
2989 * Get the default machine options from the machine if it is not already
2990 * specified either by the configuration file or by the command line.
2991 */
2992 if (machine->default_machine_opts) {
2993 QemuOptsList *list = qemu_find_opts("machine");
2994 const char *p = NULL;
2995
2996 if (!QTAILQ_EMPTY(&list->head)) {
2997 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2998 }
2999 if (p == NULL) {
3000 qemu_opts_reset(list);
3001 opts = qemu_opts_parse(list, machine->default_machine_opts, 0);
3002 if (!opts) {
3003 fprintf(stderr, "parse error for machine %s: %s\n",
3004 machine->name, machine->default_machine_opts);
3005 exit(1);
3006 }
3007 }
3008 }
3009
3010 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3011 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3012
3013 if (machine->no_serial) {
3014 default_serial = 0;
3015 }
3016 if (machine->no_parallel) {
3017 default_parallel = 0;
3018 }
3019 if (!machine->use_virtcon) {
3020 default_virtcon = 0;
3021 }
3022 if (machine->no_vga) {
3023 default_vga = 0;
3024 }
3025 if (machine->no_floppy) {
3026 default_floppy = 0;
3027 }
3028 if (machine->no_cdrom) {
3029 default_cdrom = 0;
3030 }
3031 if (machine->no_sdcard) {
3032 default_sdcard = 0;
3033 }
3034
3035 if (display_type == DT_NOGRAPHIC) {
3036 if (default_parallel)
3037 add_device_config(DEV_PARALLEL, "null");
3038 if (default_serial && default_monitor) {
3039 add_device_config(DEV_SERIAL, "mon:stdio");
3040 } else if (default_virtcon && default_monitor) {
3041 add_device_config(DEV_VIRTCON, "mon:stdio");
3042 } else {
3043 if (default_serial)
3044 add_device_config(DEV_SERIAL, "stdio");
3045 if (default_virtcon)
3046 add_device_config(DEV_VIRTCON, "stdio");
3047 if (default_monitor)
3048 monitor_parse("stdio", "readline");
3049 }
3050 } else {
3051 if (default_serial)
3052 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3053 if (default_parallel)
3054 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3055 if (default_monitor)
3056 monitor_parse("vc:80Cx24C", "readline");
3057 if (default_virtcon)
3058 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3059 }
3060 if (default_vga)
3061 vga_interface_type = VGA_CIRRUS;
3062
3063 socket_init();
3064
3065 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3066 exit(1);
3067 #ifdef CONFIG_VIRTFS
3068 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3069 exit(1);
3070 }
3071 #endif
3072
3073 os_daemonize();
3074
3075 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3076 os_pidfile_error();
3077 exit(1);
3078 }
3079
3080 configure_accelerator();
3081
3082 if (qemu_init_main_loop()) {
3083 fprintf(stderr, "qemu_init_main_loop failed\n");
3084 exit(1);
3085 }
3086 linux_boot = (kernel_filename != NULL);
3087
3088 if (!linux_boot && *kernel_cmdline != '\0') {
3089 fprintf(stderr, "-append only allowed with -kernel option\n");
3090 exit(1);
3091 }
3092
3093 if (!linux_boot && initrd_filename != NULL) {
3094 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3095 exit(1);
3096 }
3097
3098 os_set_line_buffering();
3099
3100 if (init_timer_alarm() < 0) {
3101 fprintf(stderr, "could not initialize alarm timer\n");
3102 exit(1);
3103 }
3104 configure_icount(icount_option);
3105
3106 if (net_init_clients() < 0) {
3107 exit(1);
3108 }
3109
3110 /* init the bluetooth world */
3111 if (foreach_device_config(DEV_BT, bt_parse))
3112 exit(1);
3113
3114 /* init the memory */
3115 if (ram_size == 0) {
3116 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3117 }
3118
3119 if (!xen_enabled()) {
3120 /* On 32-bit hosts, QEMU is limited by virtual address space */
3121 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3122 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3123 exit(1);
3124 }
3125 }
3126
3127 cpu_exec_init_all();
3128
3129 bdrv_init_with_whitelist();
3130
3131 blk_mig_init();
3132
3133 /* open the virtual block devices */
3134 if (snapshot)
3135 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3136 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3137 exit(1);
3138
3139 default_drive(default_cdrom, snapshot, machine->use_scsi,
3140 IF_DEFAULT, 2, CDROM_OPTS);
3141 default_drive(default_floppy, snapshot, machine->use_scsi,
3142 IF_FLOPPY, 0, FD_OPTS);
3143 default_drive(default_sdcard, snapshot, machine->use_scsi,
3144 IF_SD, 0, SD_OPTS);
3145
3146 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3147 ram_load, NULL);
3148
3149 if (nb_numa_nodes > 0) {
3150 int i;
3151
3152 if (nb_numa_nodes > MAX_NODES) {
3153 nb_numa_nodes = MAX_NODES;
3154 }
3155
3156 /* If no memory size if given for any node, assume the default case
3157 * and distribute the available memory equally across all nodes
3158 */
3159 for (i = 0; i < nb_numa_nodes; i++) {
3160 if (node_mem[i] != 0)
3161 break;
3162 }
3163 if (i == nb_numa_nodes) {
3164 uint64_t usedmem = 0;
3165
3166 /* On Linux, the each node's border has to be 8MB aligned,
3167 * the final node gets the rest.
3168 */
3169 for (i = 0; i < nb_numa_nodes - 1; i++) {
3170 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3171 usedmem += node_mem[i];
3172 }
3173 node_mem[i] = ram_size - usedmem;
3174 }
3175
3176 for (i = 0; i < nb_numa_nodes; i++) {
3177 if (node_cpumask[i] != 0)
3178 break;
3179 }
3180 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3181 * must cope with this anyway, because there are BIOSes out there in
3182 * real machines which also use this scheme.
3183 */
3184 if (i == nb_numa_nodes) {
3185 for (i = 0; i < smp_cpus; i++) {
3186 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3187 }
3188 }
3189 }
3190
3191 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3192 exit(1);
3193 }
3194
3195 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3196 exit(1);
3197 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3198 exit(1);
3199 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3200 exit(1);
3201 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3202 exit(1);
3203
3204 module_call_init(MODULE_INIT_DEVICE);
3205
3206 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3207 exit(0);
3208
3209 if (watchdog) {
3210 i = select_watchdog(watchdog);
3211 if (i > 0)
3212 exit (i == 1 ? 1 : 0);
3213 }
3214
3215 if (machine->compat_props) {
3216 qdev_prop_register_global_list(machine->compat_props);
3217 }
3218 qemu_add_globals();
3219
3220 machine->init(ram_size, boot_devices,
3221 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3222
3223 cpu_synchronize_all_post_init();
3224
3225 set_numa_modes();
3226
3227 current_machine = machine;
3228
3229 /* init USB devices */
3230 if (usb_enabled) {
3231 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3232 exit(1);
3233 }
3234
3235 /* init generic devices */
3236 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3237 exit(1);
3238
3239 net_check_clients();
3240
3241 /* just use the first displaystate for the moment */
3242 ds = get_displaystate();
3243
3244 if (using_spice)
3245 display_remote++;
3246 if (display_type == DT_DEFAULT && !display_remote) {
3247 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3248 display_type = DT_SDL;
3249 #elif defined(CONFIG_VNC)
3250 vnc_display = "localhost:0,to=99";
3251 show_vnc_port = 1;
3252 #else
3253 display_type = DT_NONE;
3254 #endif
3255 }
3256
3257
3258 /* init local displays */
3259 switch (display_type) {
3260 case DT_NOGRAPHIC:
3261 break;
3262 #if defined(CONFIG_CURSES)
3263 case DT_CURSES:
3264 curses_display_init(ds, full_screen);
3265 break;
3266 #endif
3267 #if defined(CONFIG_SDL)
3268 case DT_SDL:
3269 sdl_display_init(ds, full_screen, no_frame);
3270 break;
3271 #elif defined(CONFIG_COCOA)
3272 case DT_SDL:
3273 cocoa_display_init(ds, full_screen);
3274 break;
3275 #endif
3276 default:
3277 break;
3278 }
3279
3280 /* must be after terminal init, SDL library changes signal handlers */
3281 os_setup_signal_handling();
3282
3283 #ifdef CONFIG_VNC
3284 /* init remote displays */
3285 if (vnc_display) {
3286 vnc_display_init(ds);
3287 if (vnc_display_open(ds, vnc_display) < 0)
3288 exit(1);
3289
3290 if (show_vnc_port) {
3291 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3292 }
3293 }
3294 #endif
3295 #ifdef CONFIG_SPICE
3296 if (using_spice && !qxl_enabled) {
3297 qemu_spice_display_init(ds);
3298 }
3299 #endif
3300
3301 /* display setup */
3302 dpy_resize(ds);
3303 dcl = ds->listeners;
3304 while (dcl != NULL) {
3305 if (dcl->dpy_refresh != NULL) {
3306 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3307 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3308 break;
3309 }
3310 dcl = dcl->next;
3311 }
3312 if (ds->gui_timer == NULL) {
3313 nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
3314 qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
3315 }
3316 text_consoles_set_display(ds);
3317
3318 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3319 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3320 gdbstub_dev);
3321 exit(1);
3322 }
3323
3324 qdev_machine_creation_done();
3325
3326 if (rom_load_all() != 0) {
3327 fprintf(stderr, "rom loading failed\n");
3328 exit(1);
3329 }
3330
3331 /* TODO: once all bus devices are qdevified, this should be done
3332 * when bus is created by qdev.c */
3333 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3334 qemu_run_machine_init_done_notifiers();
3335
3336 qemu_system_reset(VMRESET_SILENT);
3337 if (loadvm) {
3338 if (load_vmstate(loadvm) < 0) {
3339 autostart = 0;
3340 }
3341 }
3342
3343 if (incoming) {
3344 int ret = qemu_start_incoming_migration(incoming);
3345 if (ret < 0) {
3346 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3347 incoming, ret);
3348 exit(ret);
3349 }
3350 } else if (autostart) {
3351 vm_start();
3352 }
3353
3354 os_setup_post();
3355
3356 main_loop();
3357 quit_timers();
3358 net_cleanup();
3359 res_free();
3360
3361 return 0;
3362 }
Anthony Liguori's QEMU tree