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[qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
34
35 #ifndef _WIN32
36 #include <libgen.h>
37 #include <sys/times.h>
38 #include <sys/wait.h>
39 #include <termios.h>
40 #include <sys/mman.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
45 #include <net/if.h>
46 #include <arpa/inet.h>
47 #include <dirent.h>
48 #include <netdb.h>
49 #include <sys/select.h>
50 #ifdef CONFIG_SIMPLE_TRACE
51 #include "trace.h"
52 #endif
53
54 #ifdef CONFIG_BSD
55 #include <sys/stat.h>
56 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
57 #include <libutil.h>
58 #include <sys/sysctl.h>
59 #else
60 #include <util.h>
61 #endif
62 #else
63 #ifdef __linux__
64 #include <pty.h>
65 #include <malloc.h>
66
67 #include <linux/ppdev.h>
68 #include <linux/parport.h>
69 #endif
70 #ifdef __sun__
71 #include <sys/stat.h>
72 #include <sys/ethernet.h>
73 #include <sys/sockio.h>
74 #include <netinet/arp.h>
75 #include <netinet/in_systm.h>
76 #include <netinet/ip.h>
77 #include <netinet/ip_icmp.h> // must come after ip.h
78 #include <netinet/udp.h>
79 #include <netinet/tcp.h>
80 #include <net/if.h>
81 #include <syslog.h>
82 #include <stropts.h>
83 #endif
84 #endif
85 #endif
86
87 #if defined(__OpenBSD__)
88 #include <util.h>
89 #endif
90
91 #if defined(CONFIG_VDE)
92 #include <libvdeplug.h>
93 #endif
94
95 #ifdef _WIN32
96 #include <windows.h>
97 #endif
98
99 #ifdef CONFIG_SDL
100 #if defined(__APPLE__) || defined(main)
101 #include <SDL.h>
102 int qemu_main(int argc, char **argv, char **envp);
103 int main(int argc, char **argv)
104 {
105 return qemu_main(argc, argv, NULL);
106 }
107 #undef main
108 #define main qemu_main
109 #endif
110 #endif /* CONFIG_SDL */
111
112 #ifdef CONFIG_COCOA
113 #undef main
114 #define main qemu_main
115 #endif /* CONFIG_COCOA */
116
117 #include "hw/hw.h"
118 #include "hw/boards.h"
119 #include "hw/usb.h"
120 #include "hw/pcmcia.h"
121 #include "hw/pc.h"
122 #include "hw/isa.h"
123 #include "hw/baum.h"
124 #include "hw/bt.h"
125 #include "hw/watchdog.h"
126 #include "hw/smbios.h"
127 #include "hw/xen.h"
128 #include "hw/qdev.h"
129 #include "hw/loader.h"
130 #include "bt-host.h"
131 #include "net.h"
132 #include "net/slirp.h"
133 #include "monitor.h"
134 #include "console.h"
135 #include "sysemu.h"
136 #include "gdbstub.h"
137 #include "qemu-timer.h"
138 #include "qemu-char.h"
139 #include "cache-utils.h"
140 #include "block.h"
141 #include "blockdev.h"
142 #include "block-migration.h"
143 #include "dma.h"
144 #include "audio/audio.h"
145 #include "migration.h"
146 #include "kvm.h"
147 #include "qemu-option.h"
148 #include "qemu-config.h"
149 #include "qemu-objects.h"
150 #include "qemu-options.h"
151 #ifdef CONFIG_VIRTFS
152 #include "fsdev/qemu-fsdev.h"
153 #endif
154
155 #include "disas.h"
156
157 #include "qemu_socket.h"
158
159 #include "slirp/libslirp.h"
160
161 #include "trace.h"
162 #include "qemu-queue.h"
163 #include "cpus.h"
164 #include "arch_init.h"
165
166 #include "ui/qemu-spice.h"
167
168 //#define DEBUG_NET
169 //#define DEBUG_SLIRP
170
171 #define DEFAULT_RAM_SIZE 128
172
173 #define MAX_VIRTIO_CONSOLES 1
174
175 static const char *data_dir;
176 const char *bios_name = NULL;
177 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
178 DisplayType display_type = DT_DEFAULT;
179 int display_remote = 0;
180 const char* keyboard_layout = NULL;
181 ram_addr_t ram_size;
182 const char *mem_path = NULL;
183 #ifdef MAP_POPULATE
184 int mem_prealloc = 0; /* force preallocation of physical target memory */
185 #endif
186 int nb_nics;
187 NICInfo nd_table[MAX_NICS];
188 int vm_running;
189 int autostart;
190 int incoming_expected; /* Started with -incoming and waiting for incoming */
191 static int rtc_utc = 1;
192 static int rtc_date_offset = -1; /* -1 means no change */
193 QEMUClock *rtc_clock;
194 int vga_interface_type = VGA_NONE;
195 static int full_screen = 0;
196 #ifdef CONFIG_SDL
197 static int no_frame = 0;
198 #endif
199 int no_quit = 0;
200 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
201 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
202 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
203 int win2k_install_hack = 0;
204 int rtc_td_hack = 0;
205 int usb_enabled = 0;
206 int singlestep = 0;
207 int smp_cpus = 1;
208 int max_cpus = 0;
209 int smp_cores = 1;
210 int smp_threads = 1;
211 const char *vnc_display;
212 int acpi_enabled = 1;
213 int no_hpet = 0;
214 int fd_bootchk = 1;
215 int no_reboot = 0;
216 int no_shutdown = 0;
217 int cursor_hide = 1;
218 int graphic_rotate = 0;
219 uint8_t irq0override = 1;
220 const char *watchdog;
221 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
222 int nb_option_roms;
223 int semihosting_enabled = 0;
224 int old_param = 0;
225 const char *qemu_name;
226 int alt_grab = 0;
227 int ctrl_grab = 0;
228 unsigned int nb_prom_envs = 0;
229 const char *prom_envs[MAX_PROM_ENVS];
230 int boot_menu;
231
232 typedef struct FWBootEntry FWBootEntry;
233
234 struct FWBootEntry {
235 QTAILQ_ENTRY(FWBootEntry) link;
236 int32_t bootindex;
237 DeviceState *dev;
238 char *suffix;
239 };
240
241 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
242
243 int nb_numa_nodes;
244 uint64_t node_mem[MAX_NODES];
245 uint64_t node_cpumask[MAX_NODES];
246
247 static QEMUTimer *nographic_timer;
248
249 uint8_t qemu_uuid[16];
250
251 static QEMUBootSetHandler *boot_set_handler;
252 static void *boot_set_opaque;
253
254 static NotifierList exit_notifiers =
255 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
256
257 static NotifierList machine_init_done_notifiers =
258 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
259
260 int kvm_allowed = 0;
261 uint32_t xen_domid;
262 enum xen_mode xen_mode = XEN_EMULATE;
263
264 static int default_serial = 1;
265 static int default_parallel = 1;
266 static int default_virtcon = 1;
267 static int default_monitor = 1;
268 static int default_vga = 1;
269 static int default_floppy = 1;
270 static int default_cdrom = 1;
271 static int default_sdcard = 1;
272
273 static struct {
274 const char *driver;
275 int *flag;
276 } default_list[] = {
277 { .driver = "isa-serial", .flag = &default_serial },
278 { .driver = "isa-parallel", .flag = &default_parallel },
279 { .driver = "isa-fdc", .flag = &default_floppy },
280 { .driver = "ide-drive", .flag = &default_cdrom },
281 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
282 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
283 { .driver = "virtio-serial", .flag = &default_virtcon },
284 { .driver = "VGA", .flag = &default_vga },
285 { .driver = "cirrus-vga", .flag = &default_vga },
286 { .driver = "vmware-svga", .flag = &default_vga },
287 };
288
289 static int default_driver_check(QemuOpts *opts, void *opaque)
290 {
291 const char *driver = qemu_opt_get(opts, "driver");
292 int i;
293
294 if (!driver)
295 return 0;
296 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
297 if (strcmp(default_list[i].driver, driver) != 0)
298 continue;
299 *(default_list[i].flag) = 0;
300 }
301 return 0;
302 }
303
304 /***********************************************************/
305 /* real time host monotonic timer */
306
307 /***********************************************************/
308 /* host time/date access */
309 void qemu_get_timedate(struct tm *tm, int offset)
310 {
311 time_t ti;
312 struct tm *ret;
313
314 time(&ti);
315 ti += offset;
316 if (rtc_date_offset == -1) {
317 if (rtc_utc)
318 ret = gmtime(&ti);
319 else
320 ret = localtime(&ti);
321 } else {
322 ti -= rtc_date_offset;
323 ret = gmtime(&ti);
324 }
325
326 memcpy(tm, ret, sizeof(struct tm));
327 }
328
329 int qemu_timedate_diff(struct tm *tm)
330 {
331 time_t seconds;
332
333 if (rtc_date_offset == -1)
334 if (rtc_utc)
335 seconds = mktimegm(tm);
336 else
337 seconds = mktime(tm);
338 else
339 seconds = mktimegm(tm) + rtc_date_offset;
340
341 return seconds - time(NULL);
342 }
343
344 void rtc_change_mon_event(struct tm *tm)
345 {
346 QObject *data;
347
348 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
349 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
350 qobject_decref(data);
351 }
352
353 static void configure_rtc_date_offset(const char *startdate, int legacy)
354 {
355 time_t rtc_start_date;
356 struct tm tm;
357
358 if (!strcmp(startdate, "now") && legacy) {
359 rtc_date_offset = -1;
360 } else {
361 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
362 &tm.tm_year,
363 &tm.tm_mon,
364 &tm.tm_mday,
365 &tm.tm_hour,
366 &tm.tm_min,
367 &tm.tm_sec) == 6) {
368 /* OK */
369 } else if (sscanf(startdate, "%d-%d-%d",
370 &tm.tm_year,
371 &tm.tm_mon,
372 &tm.tm_mday) == 3) {
373 tm.tm_hour = 0;
374 tm.tm_min = 0;
375 tm.tm_sec = 0;
376 } else {
377 goto date_fail;
378 }
379 tm.tm_year -= 1900;
380 tm.tm_mon--;
381 rtc_start_date = mktimegm(&tm);
382 if (rtc_start_date == -1) {
383 date_fail:
384 fprintf(stderr, "Invalid date format. Valid formats are:\n"
385 "'2006-06-17T16:01:21' or '2006-06-17'\n");
386 exit(1);
387 }
388 rtc_date_offset = time(NULL) - rtc_start_date;
389 }
390 }
391
392 static void configure_rtc(QemuOpts *opts)
393 {
394 const char *value;
395
396 value = qemu_opt_get(opts, "base");
397 if (value) {
398 if (!strcmp(value, "utc")) {
399 rtc_utc = 1;
400 } else if (!strcmp(value, "localtime")) {
401 rtc_utc = 0;
402 } else {
403 configure_rtc_date_offset(value, 0);
404 }
405 }
406 value = qemu_opt_get(opts, "clock");
407 if (value) {
408 if (!strcmp(value, "host")) {
409 rtc_clock = host_clock;
410 } else if (!strcmp(value, "vm")) {
411 rtc_clock = vm_clock;
412 } else {
413 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
414 exit(1);
415 }
416 }
417 value = qemu_opt_get(opts, "driftfix");
418 if (value) {
419 if (!strcmp(value, "slew")) {
420 rtc_td_hack = 1;
421 } else if (!strcmp(value, "none")) {
422 rtc_td_hack = 0;
423 } else {
424 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
425 exit(1);
426 }
427 }
428 }
429
430 /***********************************************************/
431 /* Bluetooth support */
432 static int nb_hcis;
433 static int cur_hci;
434 static struct HCIInfo *hci_table[MAX_NICS];
435
436 static struct bt_vlan_s {
437 struct bt_scatternet_s net;
438 int id;
439 struct bt_vlan_s *next;
440 } *first_bt_vlan;
441
442 /* find or alloc a new bluetooth "VLAN" */
443 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
444 {
445 struct bt_vlan_s **pvlan, *vlan;
446 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
447 if (vlan->id == id)
448 return &vlan->net;
449 }
450 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
451 vlan->id = id;
452 pvlan = &first_bt_vlan;
453 while (*pvlan != NULL)
454 pvlan = &(*pvlan)->next;
455 *pvlan = vlan;
456 return &vlan->net;
457 }
458
459 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
460 {
461 }
462
463 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
464 {
465 return -ENOTSUP;
466 }
467
468 static struct HCIInfo null_hci = {
469 .cmd_send = null_hci_send,
470 .sco_send = null_hci_send,
471 .acl_send = null_hci_send,
472 .bdaddr_set = null_hci_addr_set,
473 };
474
475 struct HCIInfo *qemu_next_hci(void)
476 {
477 if (cur_hci == nb_hcis)
478 return &null_hci;
479
480 return hci_table[cur_hci++];
481 }
482
483 static struct HCIInfo *hci_init(const char *str)
484 {
485 char *endp;
486 struct bt_scatternet_s *vlan = 0;
487
488 if (!strcmp(str, "null"))
489 /* null */
490 return &null_hci;
491 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
492 /* host[:hciN] */
493 return bt_host_hci(str[4] ? str + 5 : "hci0");
494 else if (!strncmp(str, "hci", 3)) {
495 /* hci[,vlan=n] */
496 if (str[3]) {
497 if (!strncmp(str + 3, ",vlan=", 6)) {
498 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
499 if (*endp)
500 vlan = 0;
501 }
502 } else
503 vlan = qemu_find_bt_vlan(0);
504 if (vlan)
505 return bt_new_hci(vlan);
506 }
507
508 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
509
510 return 0;
511 }
512
513 static int bt_hci_parse(const char *str)
514 {
515 struct HCIInfo *hci;
516 bdaddr_t bdaddr;
517
518 if (nb_hcis >= MAX_NICS) {
519 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
520 return -1;
521 }
522
523 hci = hci_init(str);
524 if (!hci)
525 return -1;
526
527 bdaddr.b[0] = 0x52;
528 bdaddr.b[1] = 0x54;
529 bdaddr.b[2] = 0x00;
530 bdaddr.b[3] = 0x12;
531 bdaddr.b[4] = 0x34;
532 bdaddr.b[5] = 0x56 + nb_hcis;
533 hci->bdaddr_set(hci, bdaddr.b);
534
535 hci_table[nb_hcis++] = hci;
536
537 return 0;
538 }
539
540 static void bt_vhci_add(int vlan_id)
541 {
542 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
543
544 if (!vlan->slave)
545 fprintf(stderr, "qemu: warning: adding a VHCI to "
546 "an empty scatternet %i\n", vlan_id);
547
548 bt_vhci_init(bt_new_hci(vlan));
549 }
550
551 static struct bt_device_s *bt_device_add(const char *opt)
552 {
553 struct bt_scatternet_s *vlan;
554 int vlan_id = 0;
555 char *endp = strstr(opt, ",vlan=");
556 int len = (endp ? endp - opt : strlen(opt)) + 1;
557 char devname[10];
558
559 pstrcpy(devname, MIN(sizeof(devname), len), opt);
560
561 if (endp) {
562 vlan_id = strtol(endp + 6, &endp, 0);
563 if (*endp) {
564 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
565 return 0;
566 }
567 }
568
569 vlan = qemu_find_bt_vlan(vlan_id);
570
571 if (!vlan->slave)
572 fprintf(stderr, "qemu: warning: adding a slave device to "
573 "an empty scatternet %i\n", vlan_id);
574
575 if (!strcmp(devname, "keyboard"))
576 return bt_keyboard_init(vlan);
577
578 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
579 return 0;
580 }
581
582 static int bt_parse(const char *opt)
583 {
584 const char *endp, *p;
585 int vlan;
586
587 if (strstart(opt, "hci", &endp)) {
588 if (!*endp || *endp == ',') {
589 if (*endp)
590 if (!strstart(endp, ",vlan=", 0))
591 opt = endp + 1;
592
593 return bt_hci_parse(opt);
594 }
595 } else if (strstart(opt, "vhci", &endp)) {
596 if (!*endp || *endp == ',') {
597 if (*endp) {
598 if (strstart(endp, ",vlan=", &p)) {
599 vlan = strtol(p, (char **) &endp, 0);
600 if (*endp) {
601 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
602 return 1;
603 }
604 } else {
605 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
606 return 1;
607 }
608 } else
609 vlan = 0;
610
611 bt_vhci_add(vlan);
612 return 0;
613 }
614 } else if (strstart(opt, "device:", &endp))
615 return !bt_device_add(endp);
616
617 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
618 return 1;
619 }
620
621 /***********************************************************/
622 /* QEMU Block devices */
623
624 /* Any % in the following strings must be escaped as %% */
625 #define HD_OPTS "media=disk"
626 #define CDROM_OPTS "media=cdrom"
627 #define FD_OPTS ""
628 #define PFLASH_OPTS ""
629 #define MTD_OPTS ""
630 #define SD_OPTS ""
631
632 static int drive_init_func(QemuOpts *opts, void *opaque)
633 {
634 int *use_scsi = opaque;
635 int fatal_error = 0;
636
637 if (drive_init(opts, *use_scsi, &fatal_error) == NULL) {
638 if (fatal_error)
639 return 1;
640 }
641 return 0;
642 }
643
644 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
645 {
646 if (NULL == qemu_opt_get(opts, "snapshot")) {
647 qemu_opt_set(opts, "snapshot", "on");
648 }
649 return 0;
650 }
651
652 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
653 {
654 boot_set_handler = func;
655 boot_set_opaque = opaque;
656 }
657
658 int qemu_boot_set(const char *boot_devices)
659 {
660 if (!boot_set_handler) {
661 return -EINVAL;
662 }
663 return boot_set_handler(boot_set_opaque, boot_devices);
664 }
665
666 static void validate_bootdevices(char *devices)
667 {
668 /* We just do some generic consistency checks */
669 const char *p;
670 int bitmap = 0;
671
672 for (p = devices; *p != '\0'; p++) {
673 /* Allowed boot devices are:
674 * a-b: floppy disk drives
675 * c-f: IDE disk drives
676 * g-m: machine implementation dependant drives
677 * n-p: network devices
678 * It's up to each machine implementation to check if the given boot
679 * devices match the actual hardware implementation and firmware
680 * features.
681 */
682 if (*p < 'a' || *p > 'p') {
683 fprintf(stderr, "Invalid boot device '%c'\n", *p);
684 exit(1);
685 }
686 if (bitmap & (1 << (*p - 'a'))) {
687 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
688 exit(1);
689 }
690 bitmap |= 1 << (*p - 'a');
691 }
692 }
693
694 static void restore_boot_devices(void *opaque)
695 {
696 char *standard_boot_devices = opaque;
697 static int first = 1;
698
699 /* Restore boot order and remove ourselves after the first boot */
700 if (first) {
701 first = 0;
702 return;
703 }
704
705 qemu_boot_set(standard_boot_devices);
706
707 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
708 qemu_free(standard_boot_devices);
709 }
710
711 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
712 const char *suffix)
713 {
714 FWBootEntry *node, *i;
715
716 if (bootindex < 0) {
717 return;
718 }
719
720 assert(dev != NULL || suffix != NULL);
721
722 node = qemu_mallocz(sizeof(FWBootEntry));
723 node->bootindex = bootindex;
724 node->suffix = strdup(suffix);
725 node->dev = dev;
726
727 QTAILQ_FOREACH(i, &fw_boot_order, link) {
728 if (i->bootindex == bootindex) {
729 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
730 exit(1);
731 } else if (i->bootindex < bootindex) {
732 continue;
733 }
734 QTAILQ_INSERT_BEFORE(i, node, link);
735 return;
736 }
737 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
738 }
739
740 /*
741 * This function returns null terminated string that consist of new line
742 * separated device pathes.
743 *
744 * memory pointed by "size" is assigned total length of the array in bytes
745 *
746 */
747 char *get_boot_devices_list(uint32_t *size)
748 {
749 FWBootEntry *i;
750 uint32_t total = 0;
751 char *list = NULL;
752
753 QTAILQ_FOREACH(i, &fw_boot_order, link) {
754 char *devpath = NULL, *bootpath;
755 int len;
756
757 if (i->dev) {
758 devpath = qdev_get_fw_dev_path(i->dev);
759 assert(devpath);
760 }
761
762 if (i->suffix && devpath) {
763 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
764
765 bootpath = qemu_malloc(bootpathlen);
766 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
767 qemu_free(devpath);
768 } else if (devpath) {
769 bootpath = devpath;
770 } else {
771 bootpath = strdup(i->suffix);
772 assert(bootpath);
773 }
774
775 if (total) {
776 list[total-1] = '\n';
777 }
778 len = strlen(bootpath) + 1;
779 list = qemu_realloc(list, total + len);
780 memcpy(&list[total], bootpath, len);
781 total += len;
782 qemu_free(bootpath);
783 }
784
785 *size = total;
786
787 return list;
788 }
789
790 static void numa_add(const char *optarg)
791 {
792 char option[128];
793 char *endptr;
794 unsigned long long value, endvalue;
795 int nodenr;
796
797 optarg = get_opt_name(option, 128, optarg, ',') + 1;
798 if (!strcmp(option, "node")) {
799 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
800 nodenr = nb_numa_nodes;
801 } else {
802 nodenr = strtoull(option, NULL, 10);
803 }
804
805 if (get_param_value(option, 128, "mem", optarg) == 0) {
806 node_mem[nodenr] = 0;
807 } else {
808 int64_t sval;
809 sval = strtosz(option, NULL);
810 if (sval < 0) {
811 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
812 exit(1);
813 }
814 node_mem[nodenr] = sval;
815 }
816 if (get_param_value(option, 128, "cpus", optarg) == 0) {
817 node_cpumask[nodenr] = 0;
818 } else {
819 value = strtoull(option, &endptr, 10);
820 if (value >= 64) {
821 value = 63;
822 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
823 } else {
824 if (*endptr == '-') {
825 endvalue = strtoull(endptr+1, &endptr, 10);
826 if (endvalue >= 63) {
827 endvalue = 62;
828 fprintf(stderr,
829 "only 63 CPUs in NUMA mode supported.\n");
830 }
831 value = (2ULL << endvalue) - (1ULL << value);
832 } else {
833 value = 1ULL << value;
834 }
835 }
836 node_cpumask[nodenr] = value;
837 }
838 nb_numa_nodes++;
839 }
840 return;
841 }
842
843 static void smp_parse(const char *optarg)
844 {
845 int smp, sockets = 0, threads = 0, cores = 0;
846 char *endptr;
847 char option[128];
848
849 smp = strtoul(optarg, &endptr, 10);
850 if (endptr != optarg) {
851 if (*endptr == ',') {
852 endptr++;
853 }
854 }
855 if (get_param_value(option, 128, "sockets", endptr) != 0)
856 sockets = strtoull(option, NULL, 10);
857 if (get_param_value(option, 128, "cores", endptr) != 0)
858 cores = strtoull(option, NULL, 10);
859 if (get_param_value(option, 128, "threads", endptr) != 0)
860 threads = strtoull(option, NULL, 10);
861 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
862 max_cpus = strtoull(option, NULL, 10);
863
864 /* compute missing values, prefer sockets over cores over threads */
865 if (smp == 0 || sockets == 0) {
866 sockets = sockets > 0 ? sockets : 1;
867 cores = cores > 0 ? cores : 1;
868 threads = threads > 0 ? threads : 1;
869 if (smp == 0) {
870 smp = cores * threads * sockets;
871 }
872 } else {
873 if (cores == 0) {
874 threads = threads > 0 ? threads : 1;
875 cores = smp / (sockets * threads);
876 } else {
877 threads = smp / (cores * sockets);
878 }
879 }
880 smp_cpus = smp;
881 smp_cores = cores > 0 ? cores : 1;
882 smp_threads = threads > 0 ? threads : 1;
883 if (max_cpus == 0)
884 max_cpus = smp_cpus;
885 }
886
887 /***********************************************************/
888 /* USB devices */
889
890 static int usb_device_add(const char *devname)
891 {
892 const char *p;
893 USBDevice *dev = NULL;
894
895 if (!usb_enabled)
896 return -1;
897
898 /* drivers with .usbdevice_name entry in USBDeviceInfo */
899 dev = usbdevice_create(devname);
900 if (dev)
901 goto done;
902
903 /* the other ones */
904 if (strstart(devname, "host:", &p)) {
905 dev = usb_host_device_open(p);
906 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
907 dev = usb_bt_init(devname[2] ? hci_init(p) :
908 bt_new_hci(qemu_find_bt_vlan(0)));
909 } else {
910 return -1;
911 }
912 if (!dev)
913 return -1;
914
915 done:
916 return 0;
917 }
918
919 static int usb_device_del(const char *devname)
920 {
921 int bus_num, addr;
922 const char *p;
923
924 if (strstart(devname, "host:", &p))
925 return usb_host_device_close(p);
926
927 if (!usb_enabled)
928 return -1;
929
930 p = strchr(devname, '.');
931 if (!p)
932 return -1;
933 bus_num = strtoul(devname, NULL, 0);
934 addr = strtoul(p + 1, NULL, 0);
935
936 return usb_device_delete_addr(bus_num, addr);
937 }
938
939 static int usb_parse(const char *cmdline)
940 {
941 int r;
942 r = usb_device_add(cmdline);
943 if (r < 0) {
944 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
945 }
946 return r;
947 }
948
949 void do_usb_add(Monitor *mon, const QDict *qdict)
950 {
951 const char *devname = qdict_get_str(qdict, "devname");
952 if (usb_device_add(devname) < 0) {
953 error_report("could not add USB device '%s'", devname);
954 }
955 }
956
957 void do_usb_del(Monitor *mon, const QDict *qdict)
958 {
959 const char *devname = qdict_get_str(qdict, "devname");
960 if (usb_device_del(devname) < 0) {
961 error_report("could not delete USB device '%s'", devname);
962 }
963 }
964
965 /***********************************************************/
966 /* PCMCIA/Cardbus */
967
968 static struct pcmcia_socket_entry_s {
969 PCMCIASocket *socket;
970 struct pcmcia_socket_entry_s *next;
971 } *pcmcia_sockets = 0;
972
973 void pcmcia_socket_register(PCMCIASocket *socket)
974 {
975 struct pcmcia_socket_entry_s *entry;
976
977 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
978 entry->socket = socket;
979 entry->next = pcmcia_sockets;
980 pcmcia_sockets = entry;
981 }
982
983 void pcmcia_socket_unregister(PCMCIASocket *socket)
984 {
985 struct pcmcia_socket_entry_s *entry, **ptr;
986
987 ptr = &pcmcia_sockets;
988 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
989 if (entry->socket == socket) {
990 *ptr = entry->next;
991 qemu_free(entry);
992 }
993 }
994
995 void pcmcia_info(Monitor *mon)
996 {
997 struct pcmcia_socket_entry_s *iter;
998
999 if (!pcmcia_sockets)
1000 monitor_printf(mon, "No PCMCIA sockets\n");
1001
1002 for (iter = pcmcia_sockets; iter; iter = iter->next)
1003 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1004 iter->socket->attached ? iter->socket->card_string :
1005 "Empty");
1006 }
1007
1008 /***********************************************************/
1009 /* I/O handling */
1010
1011 typedef struct IOHandlerRecord {
1012 int fd;
1013 IOCanReadHandler *fd_read_poll;
1014 IOHandler *fd_read;
1015 IOHandler *fd_write;
1016 int deleted;
1017 void *opaque;
1018 /* temporary data */
1019 struct pollfd *ufd;
1020 QLIST_ENTRY(IOHandlerRecord) next;
1021 } IOHandlerRecord;
1022
1023 static QLIST_HEAD(, IOHandlerRecord) io_handlers =
1024 QLIST_HEAD_INITIALIZER(io_handlers);
1025
1026
1027 /* XXX: fd_read_poll should be suppressed, but an API change is
1028 necessary in the character devices to suppress fd_can_read(). */
1029 int qemu_set_fd_handler2(int fd,
1030 IOCanReadHandler *fd_read_poll,
1031 IOHandler *fd_read,
1032 IOHandler *fd_write,
1033 void *opaque)
1034 {
1035 IOHandlerRecord *ioh;
1036
1037 if (!fd_read && !fd_write) {
1038 QLIST_FOREACH(ioh, &io_handlers, next) {
1039 if (ioh->fd == fd) {
1040 ioh->deleted = 1;
1041 break;
1042 }
1043 }
1044 } else {
1045 QLIST_FOREACH(ioh, &io_handlers, next) {
1046 if (ioh->fd == fd)
1047 goto found;
1048 }
1049 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1050 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
1051 found:
1052 ioh->fd = fd;
1053 ioh->fd_read_poll = fd_read_poll;
1054 ioh->fd_read = fd_read;
1055 ioh->fd_write = fd_write;
1056 ioh->opaque = opaque;
1057 ioh->deleted = 0;
1058 }
1059 return 0;
1060 }
1061
1062 int qemu_set_fd_handler(int fd,
1063 IOHandler *fd_read,
1064 IOHandler *fd_write,
1065 void *opaque)
1066 {
1067 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
1068 }
1069
1070 /***********************************************************/
1071 /* machine registration */
1072
1073 static QEMUMachine *first_machine = NULL;
1074 QEMUMachine *current_machine = NULL;
1075
1076 int qemu_register_machine(QEMUMachine *m)
1077 {
1078 QEMUMachine **pm;
1079 pm = &first_machine;
1080 while (*pm != NULL)
1081 pm = &(*pm)->next;
1082 m->next = NULL;
1083 *pm = m;
1084 return 0;
1085 }
1086
1087 static QEMUMachine *find_machine(const char *name)
1088 {
1089 QEMUMachine *m;
1090
1091 for(m = first_machine; m != NULL; m = m->next) {
1092 if (!strcmp(m->name, name))
1093 return m;
1094 if (m->alias && !strcmp(m->alias, name))
1095 return m;
1096 }
1097 return NULL;
1098 }
1099
1100 static QEMUMachine *find_default_machine(void)
1101 {
1102 QEMUMachine *m;
1103
1104 for(m = first_machine; m != NULL; m = m->next) {
1105 if (m->is_default) {
1106 return m;
1107 }
1108 }
1109 return NULL;
1110 }
1111
1112 /***********************************************************/
1113 /* main execution loop */
1114
1115 static void gui_update(void *opaque)
1116 {
1117 uint64_t interval = GUI_REFRESH_INTERVAL;
1118 DisplayState *ds = opaque;
1119 DisplayChangeListener *dcl = ds->listeners;
1120
1121 qemu_flush_coalesced_mmio_buffer();
1122 dpy_refresh(ds);
1123
1124 while (dcl != NULL) {
1125 if (dcl->gui_timer_interval &&
1126 dcl->gui_timer_interval < interval)
1127 interval = dcl->gui_timer_interval;
1128 dcl = dcl->next;
1129 }
1130 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1131 }
1132
1133 static void nographic_update(void *opaque)
1134 {
1135 uint64_t interval = GUI_REFRESH_INTERVAL;
1136
1137 qemu_flush_coalesced_mmio_buffer();
1138 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1139 }
1140
1141 struct vm_change_state_entry {
1142 VMChangeStateHandler *cb;
1143 void *opaque;
1144 QLIST_ENTRY (vm_change_state_entry) entries;
1145 };
1146
1147 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1148
1149 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1150 void *opaque)
1151 {
1152 VMChangeStateEntry *e;
1153
1154 e = qemu_mallocz(sizeof (*e));
1155
1156 e->cb = cb;
1157 e->opaque = opaque;
1158 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1159 return e;
1160 }
1161
1162 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1163 {
1164 QLIST_REMOVE (e, entries);
1165 qemu_free (e);
1166 }
1167
1168 void vm_state_notify(int running, int reason)
1169 {
1170 VMChangeStateEntry *e;
1171
1172 trace_vm_state_notify(running, reason);
1173
1174 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1175 e->cb(e->opaque, running, reason);
1176 }
1177 }
1178
1179 void vm_start(void)
1180 {
1181 if (!vm_running) {
1182 cpu_enable_ticks();
1183 vm_running = 1;
1184 vm_state_notify(1, 0);
1185 resume_all_vcpus();
1186 monitor_protocol_event(QEVENT_RESUME, NULL);
1187 }
1188 }
1189
1190 /* reset/shutdown handler */
1191
1192 typedef struct QEMUResetEntry {
1193 QTAILQ_ENTRY(QEMUResetEntry) entry;
1194 QEMUResetHandler *func;
1195 void *opaque;
1196 } QEMUResetEntry;
1197
1198 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1199 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1200 static int reset_requested;
1201 static int shutdown_requested;
1202 static int powerdown_requested;
1203 int debug_requested;
1204 int vmstop_requested;
1205
1206 int qemu_shutdown_requested(void)
1207 {
1208 int r = shutdown_requested;
1209 shutdown_requested = 0;
1210 return r;
1211 }
1212
1213 int qemu_reset_requested(void)
1214 {
1215 int r = reset_requested;
1216 reset_requested = 0;
1217 return r;
1218 }
1219
1220 int qemu_powerdown_requested(void)
1221 {
1222 int r = powerdown_requested;
1223 powerdown_requested = 0;
1224 return r;
1225 }
1226
1227 static int qemu_debug_requested(void)
1228 {
1229 int r = debug_requested;
1230 debug_requested = 0;
1231 return r;
1232 }
1233
1234 static int qemu_vmstop_requested(void)
1235 {
1236 int r = vmstop_requested;
1237 vmstop_requested = 0;
1238 return r;
1239 }
1240
1241 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1242 {
1243 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1244
1245 re->func = func;
1246 re->opaque = opaque;
1247 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1248 }
1249
1250 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1251 {
1252 QEMUResetEntry *re;
1253
1254 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1255 if (re->func == func && re->opaque == opaque) {
1256 QTAILQ_REMOVE(&reset_handlers, re, entry);
1257 qemu_free(re);
1258 return;
1259 }
1260 }
1261 }
1262
1263 void qemu_system_reset(void)
1264 {
1265 QEMUResetEntry *re, *nre;
1266
1267 /* reset all devices */
1268 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1269 re->func(re->opaque);
1270 }
1271 monitor_protocol_event(QEVENT_RESET, NULL);
1272 cpu_synchronize_all_post_reset();
1273 }
1274
1275 void qemu_system_reset_request(void)
1276 {
1277 if (no_reboot) {
1278 shutdown_requested = 1;
1279 } else {
1280 reset_requested = 1;
1281 }
1282 qemu_notify_event();
1283 }
1284
1285 void qemu_system_shutdown_request(void)
1286 {
1287 shutdown_requested = 1;
1288 qemu_notify_event();
1289 }
1290
1291 void qemu_system_powerdown_request(void)
1292 {
1293 powerdown_requested = 1;
1294 qemu_notify_event();
1295 }
1296
1297 void main_loop_wait(int nonblocking)
1298 {
1299 IOHandlerRecord *ioh;
1300 fd_set rfds, wfds, xfds;
1301 int ret, nfds;
1302 struct timeval tv;
1303 int timeout;
1304
1305 if (nonblocking)
1306 timeout = 0;
1307 else {
1308 timeout = qemu_calculate_timeout();
1309 qemu_bh_update_timeout(&timeout);
1310 }
1311
1312 os_host_main_loop_wait(&timeout);
1313
1314 /* poll any events */
1315 /* XXX: separate device handlers from system ones */
1316 nfds = -1;
1317 FD_ZERO(&rfds);
1318 FD_ZERO(&wfds);
1319 FD_ZERO(&xfds);
1320 QLIST_FOREACH(ioh, &io_handlers, next) {
1321 if (ioh->deleted)
1322 continue;
1323 if (ioh->fd_read &&
1324 (!ioh->fd_read_poll ||
1325 ioh->fd_read_poll(ioh->opaque) != 0)) {
1326 FD_SET(ioh->fd, &rfds);
1327 if (ioh->fd > nfds)
1328 nfds = ioh->fd;
1329 }
1330 if (ioh->fd_write) {
1331 FD_SET(ioh->fd, &wfds);
1332 if (ioh->fd > nfds)
1333 nfds = ioh->fd;
1334 }
1335 }
1336
1337 tv.tv_sec = timeout / 1000;
1338 tv.tv_usec = (timeout % 1000) * 1000;
1339
1340 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1341
1342 qemu_mutex_unlock_iothread();
1343 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1344 qemu_mutex_lock_iothread();
1345 if (ret > 0) {
1346 IOHandlerRecord *pioh;
1347
1348 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1349 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1350 ioh->fd_read(ioh->opaque);
1351 }
1352 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1353 ioh->fd_write(ioh->opaque);
1354 }
1355
1356 /* Do this last in case read/write handlers marked it for deletion */
1357 if (ioh->deleted) {
1358 QLIST_REMOVE(ioh, next);
1359 qemu_free(ioh);
1360 }
1361 }
1362 }
1363
1364 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1365
1366 qemu_run_all_timers();
1367
1368 /* Check bottom-halves last in case any of the earlier events triggered
1369 them. */
1370 qemu_bh_poll();
1371
1372 }
1373
1374 static int vm_can_run(void)
1375 {
1376 if (powerdown_requested)
1377 return 0;
1378 if (reset_requested)
1379 return 0;
1380 if (shutdown_requested)
1381 return 0;
1382 if (debug_requested)
1383 return 0;
1384 return 1;
1385 }
1386
1387 qemu_irq qemu_system_powerdown;
1388
1389 static void main_loop(void)
1390 {
1391 int r;
1392
1393 qemu_main_loop_start();
1394
1395 for (;;) {
1396 do {
1397 bool nonblocking = false;
1398 #ifdef CONFIG_PROFILER
1399 int64_t ti;
1400 #endif
1401 #ifndef CONFIG_IOTHREAD
1402 nonblocking = cpu_exec_all();
1403 #endif
1404 #ifdef CONFIG_PROFILER
1405 ti = profile_getclock();
1406 #endif
1407 main_loop_wait(nonblocking);
1408 #ifdef CONFIG_PROFILER
1409 dev_time += profile_getclock() - ti;
1410 #endif
1411 } while (vm_can_run());
1412
1413 if ((r = qemu_debug_requested())) {
1414 vm_stop(r);
1415 }
1416 if (qemu_shutdown_requested()) {
1417 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1418 if (no_shutdown) {
1419 vm_stop(0);
1420 no_shutdown = 0;
1421 } else
1422 break;
1423 }
1424 if (qemu_reset_requested()) {
1425 pause_all_vcpus();
1426 qemu_system_reset();
1427 resume_all_vcpus();
1428 }
1429 if (qemu_powerdown_requested()) {
1430 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1431 qemu_irq_raise(qemu_system_powerdown);
1432 }
1433 if ((r = qemu_vmstop_requested())) {
1434 vm_stop(r);
1435 }
1436 }
1437 bdrv_close_all();
1438 pause_all_vcpus();
1439 }
1440
1441 static void version(void)
1442 {
1443 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1444 }
1445
1446 static void help(int exitcode)
1447 {
1448 const char *options_help =
1449 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1450 opt_help
1451 #define DEFHEADING(text) stringify(text) "\n"
1452 #include "qemu-options.def"
1453 #undef DEF
1454 #undef DEFHEADING
1455 #undef GEN_DOCS
1456 ;
1457 version();
1458 printf("usage: %s [options] [disk_image]\n"
1459 "\n"
1460 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1461 "\n"
1462 "%s\n"
1463 "During emulation, the following keys are useful:\n"
1464 "ctrl-alt-f toggle full screen\n"
1465 "ctrl-alt-n switch to virtual console 'n'\n"
1466 "ctrl-alt toggle mouse and keyboard grab\n"
1467 "\n"
1468 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1469 "qemu",
1470 options_help);
1471 exit(exitcode);
1472 }
1473
1474 #define HAS_ARG 0x0001
1475
1476 typedef struct QEMUOption {
1477 const char *name;
1478 int flags;
1479 int index;
1480 uint32_t arch_mask;
1481 } QEMUOption;
1482
1483 static const QEMUOption qemu_options[] = {
1484 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1485 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1486 { option, opt_arg, opt_enum, arch_mask },
1487 #define DEFHEADING(text)
1488 #include "qemu-options.def"
1489 #undef DEF
1490 #undef DEFHEADING
1491 #undef GEN_DOCS
1492 { NULL },
1493 };
1494 static void select_vgahw (const char *p)
1495 {
1496 const char *opts;
1497
1498 default_vga = 0;
1499 vga_interface_type = VGA_NONE;
1500 if (strstart(p, "std", &opts)) {
1501 vga_interface_type = VGA_STD;
1502 } else if (strstart(p, "cirrus", &opts)) {
1503 vga_interface_type = VGA_CIRRUS;
1504 } else if (strstart(p, "vmware", &opts)) {
1505 vga_interface_type = VGA_VMWARE;
1506 } else if (strstart(p, "xenfb", &opts)) {
1507 vga_interface_type = VGA_XENFB;
1508 } else if (strstart(p, "qxl", &opts)) {
1509 vga_interface_type = VGA_QXL;
1510 } else if (!strstart(p, "none", &opts)) {
1511 invalid_vga:
1512 fprintf(stderr, "Unknown vga type: %s\n", p);
1513 exit(1);
1514 }
1515 while (*opts) {
1516 const char *nextopt;
1517
1518 if (strstart(opts, ",retrace=", &nextopt)) {
1519 opts = nextopt;
1520 if (strstart(opts, "dumb", &nextopt))
1521 vga_retrace_method = VGA_RETRACE_DUMB;
1522 else if (strstart(opts, "precise", &nextopt))
1523 vga_retrace_method = VGA_RETRACE_PRECISE;
1524 else goto invalid_vga;
1525 } else goto invalid_vga;
1526 opts = nextopt;
1527 }
1528 }
1529
1530 static int balloon_parse(const char *arg)
1531 {
1532 QemuOpts *opts;
1533
1534 if (strcmp(arg, "none") == 0) {
1535 return 0;
1536 }
1537
1538 if (!strncmp(arg, "virtio", 6)) {
1539 if (arg[6] == ',') {
1540 /* have params -> parse them */
1541 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1542 if (!opts)
1543 return -1;
1544 } else {
1545 /* create empty opts */
1546 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1547 }
1548 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1549 return 0;
1550 }
1551
1552 return -1;
1553 }
1554
1555 char *qemu_find_file(int type, const char *name)
1556 {
1557 int len;
1558 const char *subdir;
1559 char *buf;
1560
1561 /* If name contains path separators then try it as a straight path. */
1562 if ((strchr(name, '/') || strchr(name, '\\'))
1563 && access(name, R_OK) == 0) {
1564 return qemu_strdup(name);
1565 }
1566 switch (type) {
1567 case QEMU_FILE_TYPE_BIOS:
1568 subdir = "";
1569 break;
1570 case QEMU_FILE_TYPE_KEYMAP:
1571 subdir = "keymaps/";
1572 break;
1573 default:
1574 abort();
1575 }
1576 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1577 buf = qemu_mallocz(len);
1578 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1579 if (access(buf, R_OK)) {
1580 qemu_free(buf);
1581 return NULL;
1582 }
1583 return buf;
1584 }
1585
1586 static int device_help_func(QemuOpts *opts, void *opaque)
1587 {
1588 return qdev_device_help(opts);
1589 }
1590
1591 static int device_init_func(QemuOpts *opts, void *opaque)
1592 {
1593 DeviceState *dev;
1594
1595 dev = qdev_device_add(opts);
1596 if (!dev)
1597 return -1;
1598 return 0;
1599 }
1600
1601 static int chardev_init_func(QemuOpts *opts, void *opaque)
1602 {
1603 CharDriverState *chr;
1604
1605 chr = qemu_chr_open_opts(opts, NULL);
1606 if (!chr)
1607 return -1;
1608 return 0;
1609 }
1610
1611 #ifdef CONFIG_VIRTFS
1612 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1613 {
1614 int ret;
1615 ret = qemu_fsdev_add(opts);
1616
1617 return ret;
1618 }
1619 #endif
1620
1621 static int mon_init_func(QemuOpts *opts, void *opaque)
1622 {
1623 CharDriverState *chr;
1624 const char *chardev;
1625 const char *mode;
1626 int flags;
1627
1628 mode = qemu_opt_get(opts, "mode");
1629 if (mode == NULL) {
1630 mode = "readline";
1631 }
1632 if (strcmp(mode, "readline") == 0) {
1633 flags = MONITOR_USE_READLINE;
1634 } else if (strcmp(mode, "control") == 0) {
1635 flags = MONITOR_USE_CONTROL;
1636 } else {
1637 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1638 exit(1);
1639 }
1640
1641 if (qemu_opt_get_bool(opts, "pretty", 0))
1642 flags |= MONITOR_USE_PRETTY;
1643
1644 if (qemu_opt_get_bool(opts, "default", 0))
1645 flags |= MONITOR_IS_DEFAULT;
1646
1647 chardev = qemu_opt_get(opts, "chardev");
1648 chr = qemu_chr_find(chardev);
1649 if (chr == NULL) {
1650 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1651 exit(1);
1652 }
1653
1654 monitor_init(chr, flags);
1655 return 0;
1656 }
1657
1658 static void monitor_parse(const char *optarg, const char *mode)
1659 {
1660 static int monitor_device_index = 0;
1661 QemuOpts *opts;
1662 const char *p;
1663 char label[32];
1664 int def = 0;
1665
1666 if (strstart(optarg, "chardev:", &p)) {
1667 snprintf(label, sizeof(label), "%s", p);
1668 } else {
1669 snprintf(label, sizeof(label), "compat_monitor%d",
1670 monitor_device_index);
1671 if (monitor_device_index == 0) {
1672 def = 1;
1673 }
1674 opts = qemu_chr_parse_compat(label, optarg);
1675 if (!opts) {
1676 fprintf(stderr, "parse error: %s\n", optarg);
1677 exit(1);
1678 }
1679 }
1680
1681 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1682 if (!opts) {
1683 fprintf(stderr, "duplicate chardev: %s\n", label);
1684 exit(1);
1685 }
1686 qemu_opt_set(opts, "mode", mode);
1687 qemu_opt_set(opts, "chardev", label);
1688 if (def)
1689 qemu_opt_set(opts, "default", "on");
1690 monitor_device_index++;
1691 }
1692
1693 struct device_config {
1694 enum {
1695 DEV_USB, /* -usbdevice */
1696 DEV_BT, /* -bt */
1697 DEV_SERIAL, /* -serial */
1698 DEV_PARALLEL, /* -parallel */
1699 DEV_VIRTCON, /* -virtioconsole */
1700 DEV_DEBUGCON, /* -debugcon */
1701 } type;
1702 const char *cmdline;
1703 QTAILQ_ENTRY(device_config) next;
1704 };
1705 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1706
1707 static void add_device_config(int type, const char *cmdline)
1708 {
1709 struct device_config *conf;
1710
1711 conf = qemu_mallocz(sizeof(*conf));
1712 conf->type = type;
1713 conf->cmdline = cmdline;
1714 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1715 }
1716
1717 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1718 {
1719 struct device_config *conf;
1720 int rc;
1721
1722 QTAILQ_FOREACH(conf, &device_configs, next) {
1723 if (conf->type != type)
1724 continue;
1725 rc = func(conf->cmdline);
1726 if (0 != rc)
1727 return rc;
1728 }
1729 return 0;
1730 }
1731
1732 static int serial_parse(const char *devname)
1733 {
1734 static int index = 0;
1735 char label[32];
1736
1737 if (strcmp(devname, "none") == 0)
1738 return 0;
1739 if (index == MAX_SERIAL_PORTS) {
1740 fprintf(stderr, "qemu: too many serial ports\n");
1741 exit(1);
1742 }
1743 snprintf(label, sizeof(label), "serial%d", index);
1744 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1745 if (!serial_hds[index]) {
1746 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1747 devname, strerror(errno));
1748 return -1;
1749 }
1750 index++;
1751 return 0;
1752 }
1753
1754 static int parallel_parse(const char *devname)
1755 {
1756 static int index = 0;
1757 char label[32];
1758
1759 if (strcmp(devname, "none") == 0)
1760 return 0;
1761 if (index == MAX_PARALLEL_PORTS) {
1762 fprintf(stderr, "qemu: too many parallel ports\n");
1763 exit(1);
1764 }
1765 snprintf(label, sizeof(label), "parallel%d", index);
1766 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1767 if (!parallel_hds[index]) {
1768 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1769 devname, strerror(errno));
1770 return -1;
1771 }
1772 index++;
1773 return 0;
1774 }
1775
1776 static int virtcon_parse(const char *devname)
1777 {
1778 QemuOptsList *device = qemu_find_opts("device");
1779 static int index = 0;
1780 char label[32];
1781 QemuOpts *bus_opts, *dev_opts;
1782
1783 if (strcmp(devname, "none") == 0)
1784 return 0;
1785 if (index == MAX_VIRTIO_CONSOLES) {
1786 fprintf(stderr, "qemu: too many virtio consoles\n");
1787 exit(1);
1788 }
1789
1790 bus_opts = qemu_opts_create(device, NULL, 0);
1791 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1792
1793 dev_opts = qemu_opts_create(device, NULL, 0);
1794 qemu_opt_set(dev_opts, "driver", "virtconsole");
1795
1796 snprintf(label, sizeof(label), "virtcon%d", index);
1797 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1798 if (!virtcon_hds[index]) {
1799 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1800 devname, strerror(errno));
1801 return -1;
1802 }
1803 qemu_opt_set(dev_opts, "chardev", label);
1804
1805 index++;
1806 return 0;
1807 }
1808
1809 static int debugcon_parse(const char *devname)
1810 {
1811 QemuOpts *opts;
1812
1813 if (!qemu_chr_open("debugcon", devname, NULL)) {
1814 exit(1);
1815 }
1816 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1817 if (!opts) {
1818 fprintf(stderr, "qemu: already have a debugcon device\n");
1819 exit(1);
1820 }
1821 qemu_opt_set(opts, "driver", "isa-debugcon");
1822 qemu_opt_set(opts, "chardev", "debugcon");
1823 return 0;
1824 }
1825
1826 void qemu_add_exit_notifier(Notifier *notify)
1827 {
1828 notifier_list_add(&exit_notifiers, notify);
1829 }
1830
1831 void qemu_remove_exit_notifier(Notifier *notify)
1832 {
1833 notifier_list_remove(&exit_notifiers, notify);
1834 }
1835
1836 static void qemu_run_exit_notifiers(void)
1837 {
1838 notifier_list_notify(&exit_notifiers);
1839 }
1840
1841 void qemu_add_machine_init_done_notifier(Notifier *notify)
1842 {
1843 notifier_list_add(&machine_init_done_notifiers, notify);
1844 }
1845
1846 static void qemu_run_machine_init_done_notifiers(void)
1847 {
1848 notifier_list_notify(&machine_init_done_notifiers);
1849 }
1850
1851 static const QEMUOption *lookup_opt(int argc, char **argv,
1852 const char **poptarg, int *poptind)
1853 {
1854 const QEMUOption *popt;
1855 int optind = *poptind;
1856 char *r = argv[optind];
1857 const char *optarg;
1858
1859 loc_set_cmdline(argv, optind, 1);
1860 optind++;
1861 /* Treat --foo the same as -foo. */
1862 if (r[1] == '-')
1863 r++;
1864 popt = qemu_options;
1865 for(;;) {
1866 if (!popt->name) {
1867 error_report("invalid option");
1868 exit(1);
1869 }
1870 if (!strcmp(popt->name, r + 1))
1871 break;
1872 popt++;
1873 }
1874 if (popt->flags & HAS_ARG) {
1875 if (optind >= argc) {
1876 error_report("requires an argument");
1877 exit(1);
1878 }
1879 optarg = argv[optind++];
1880 loc_set_cmdline(argv, optind - 2, 2);
1881 } else {
1882 optarg = NULL;
1883 }
1884
1885 *poptarg = optarg;
1886 *poptind = optind;
1887
1888 return popt;
1889 }
1890
1891 int main(int argc, char **argv, char **envp)
1892 {
1893 const char *gdbstub_dev = NULL;
1894 int i;
1895 int snapshot, linux_boot;
1896 const char *icount_option = NULL;
1897 const char *initrd_filename;
1898 const char *kernel_filename, *kernel_cmdline;
1899 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
1900 DisplayState *ds;
1901 DisplayChangeListener *dcl;
1902 int cyls, heads, secs, translation;
1903 QemuOpts *hda_opts = NULL, *opts;
1904 QemuOptsList *olist;
1905 int optind;
1906 const char *optarg;
1907 const char *loadvm = NULL;
1908 QEMUMachine *machine;
1909 const char *cpu_model;
1910 int tb_size;
1911 const char *pid_file = NULL;
1912 const char *incoming = NULL;
1913 int show_vnc_port = 0;
1914 int defconfig = 1;
1915
1916 #ifdef CONFIG_SIMPLE_TRACE
1917 const char *trace_file = NULL;
1918 #endif
1919 atexit(qemu_run_exit_notifiers);
1920 error_set_progname(argv[0]);
1921
1922 init_clocks();
1923
1924 qemu_cache_utils_init(envp);
1925
1926 QLIST_INIT (&vm_change_state_head);
1927 os_setup_early_signal_handling();
1928
1929 module_call_init(MODULE_INIT_MACHINE);
1930 machine = find_default_machine();
1931 cpu_model = NULL;
1932 initrd_filename = NULL;
1933 ram_size = 0;
1934 snapshot = 0;
1935 kernel_filename = NULL;
1936 kernel_cmdline = "";
1937 cyls = heads = secs = 0;
1938 translation = BIOS_ATA_TRANSLATION_AUTO;
1939
1940 for (i = 0; i < MAX_NODES; i++) {
1941 node_mem[i] = 0;
1942 node_cpumask[i] = 0;
1943 }
1944
1945 nb_numa_nodes = 0;
1946 nb_nics = 0;
1947
1948 tb_size = 0;
1949 autostart= 1;
1950
1951 /* first pass of option parsing */
1952 optind = 1;
1953 while (optind < argc) {
1954 if (argv[optind][0] != '-') {
1955 /* disk image */
1956 optind++;
1957 continue;
1958 } else {
1959 const QEMUOption *popt;
1960
1961 popt = lookup_opt(argc, argv, &optarg, &optind);
1962 switch (popt->index) {
1963 case QEMU_OPTION_nodefconfig:
1964 defconfig=0;
1965 break;
1966 }
1967 }
1968 }
1969
1970 if (defconfig) {
1971 int ret;
1972
1973 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
1974 if (ret < 0 && ret != -ENOENT) {
1975 exit(1);
1976 }
1977
1978 ret = qemu_read_config_file(arch_config_name);
1979 if (ret < 0 && ret != -ENOENT) {
1980 exit(1);
1981 }
1982 }
1983 cpudef_init();
1984
1985 /* second pass of option parsing */
1986 optind = 1;
1987 for(;;) {
1988 if (optind >= argc)
1989 break;
1990 if (argv[optind][0] != '-') {
1991 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
1992 } else {
1993 const QEMUOption *popt;
1994
1995 popt = lookup_opt(argc, argv, &optarg, &optind);
1996 if (!(popt->arch_mask & arch_type)) {
1997 printf("Option %s not supported for this target\n", popt->name);
1998 exit(1);
1999 }
2000 switch(popt->index) {
2001 case QEMU_OPTION_M:
2002 machine = find_machine(optarg);
2003 if (!machine) {
2004 QEMUMachine *m;
2005 printf("Supported machines are:\n");
2006 for(m = first_machine; m != NULL; m = m->next) {
2007 if (m->alias)
2008 printf("%-10s %s (alias of %s)\n",
2009 m->alias, m->desc, m->name);
2010 printf("%-10s %s%s\n",
2011 m->name, m->desc,
2012 m->is_default ? " (default)" : "");
2013 }
2014 exit(*optarg != '?');
2015 }
2016 break;
2017 case QEMU_OPTION_cpu:
2018 /* hw initialization will check this */
2019 if (*optarg == '?') {
2020 list_cpus(stdout, &fprintf, optarg);
2021 exit(0);
2022 } else {
2023 cpu_model = optarg;
2024 }
2025 break;
2026 case QEMU_OPTION_initrd:
2027 initrd_filename = optarg;
2028 break;
2029 case QEMU_OPTION_hda:
2030 if (cyls == 0)
2031 hda_opts = drive_add(IF_DEFAULT, 0, optarg, HD_OPTS);
2032 else
2033 hda_opts = drive_add(IF_DEFAULT, 0, optarg, HD_OPTS
2034 ",cyls=%d,heads=%d,secs=%d%s",
2035 cyls, heads, secs,
2036 translation == BIOS_ATA_TRANSLATION_LBA ?
2037 ",trans=lba" :
2038 translation == BIOS_ATA_TRANSLATION_NONE ?
2039 ",trans=none" : "");
2040 break;
2041 case QEMU_OPTION_hdb:
2042 case QEMU_OPTION_hdc:
2043 case QEMU_OPTION_hdd:
2044 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2045 HD_OPTS);
2046 break;
2047 case QEMU_OPTION_drive:
2048 drive_def(optarg);
2049 break;
2050 case QEMU_OPTION_set:
2051 if (qemu_set_option(optarg) != 0)
2052 exit(1);
2053 break;
2054 case QEMU_OPTION_global:
2055 if (qemu_global_option(optarg) != 0)
2056 exit(1);
2057 break;
2058 case QEMU_OPTION_mtdblock:
2059 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2060 break;
2061 case QEMU_OPTION_sd:
2062 drive_add(IF_SD, 0, optarg, SD_OPTS);
2063 break;
2064 case QEMU_OPTION_pflash:
2065 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2066 break;
2067 case QEMU_OPTION_snapshot:
2068 snapshot = 1;
2069 break;
2070 case QEMU_OPTION_hdachs:
2071 {
2072 const char *p;
2073 p = optarg;
2074 cyls = strtol(p, (char **)&p, 0);
2075 if (cyls < 1 || cyls > 16383)
2076 goto chs_fail;
2077 if (*p != ',')
2078 goto chs_fail;
2079 p++;
2080 heads = strtol(p, (char **)&p, 0);
2081 if (heads < 1 || heads > 16)
2082 goto chs_fail;
2083 if (*p != ',')
2084 goto chs_fail;
2085 p++;
2086 secs = strtol(p, (char **)&p, 0);
2087 if (secs < 1 || secs > 63)
2088 goto chs_fail;
2089 if (*p == ',') {
2090 p++;
2091 if (!strcmp(p, "none"))
2092 translation = BIOS_ATA_TRANSLATION_NONE;
2093 else if (!strcmp(p, "lba"))
2094 translation = BIOS_ATA_TRANSLATION_LBA;
2095 else if (!strcmp(p, "auto"))
2096 translation = BIOS_ATA_TRANSLATION_AUTO;
2097 else
2098 goto chs_fail;
2099 } else if (*p != '\0') {
2100 chs_fail:
2101 fprintf(stderr, "qemu: invalid physical CHS format\n");
2102 exit(1);
2103 }
2104 if (hda_opts != NULL) {
2105 char num[16];
2106 snprintf(num, sizeof(num), "%d", cyls);
2107 qemu_opt_set(hda_opts, "cyls", num);
2108 snprintf(num, sizeof(num), "%d", heads);
2109 qemu_opt_set(hda_opts, "heads", num);
2110 snprintf(num, sizeof(num), "%d", secs);
2111 qemu_opt_set(hda_opts, "secs", num);
2112 if (translation == BIOS_ATA_TRANSLATION_LBA)
2113 qemu_opt_set(hda_opts, "trans", "lba");
2114 if (translation == BIOS_ATA_TRANSLATION_NONE)
2115 qemu_opt_set(hda_opts, "trans", "none");
2116 }
2117 }
2118 break;
2119 case QEMU_OPTION_numa:
2120 if (nb_numa_nodes >= MAX_NODES) {
2121 fprintf(stderr, "qemu: too many NUMA nodes\n");
2122 exit(1);
2123 }
2124 numa_add(optarg);
2125 break;
2126 case QEMU_OPTION_nographic:
2127 display_type = DT_NOGRAPHIC;
2128 break;
2129 #ifdef CONFIG_CURSES
2130 case QEMU_OPTION_curses:
2131 display_type = DT_CURSES;
2132 break;
2133 #endif
2134 case QEMU_OPTION_portrait:
2135 graphic_rotate = 1;
2136 break;
2137 case QEMU_OPTION_kernel:
2138 kernel_filename = optarg;
2139 break;
2140 case QEMU_OPTION_append:
2141 kernel_cmdline = optarg;
2142 break;
2143 case QEMU_OPTION_cdrom:
2144 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2145 break;
2146 case QEMU_OPTION_boot:
2147 {
2148 static const char * const params[] = {
2149 "order", "once", "menu", NULL
2150 };
2151 char buf[sizeof(boot_devices)];
2152 char *standard_boot_devices;
2153 int legacy = 0;
2154
2155 if (!strchr(optarg, '=')) {
2156 legacy = 1;
2157 pstrcpy(buf, sizeof(buf), optarg);
2158 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2159 fprintf(stderr,
2160 "qemu: unknown boot parameter '%s' in '%s'\n",
2161 buf, optarg);
2162 exit(1);
2163 }
2164
2165 if (legacy ||
2166 get_param_value(buf, sizeof(buf), "order", optarg)) {
2167 validate_bootdevices(buf);
2168 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2169 }
2170 if (!legacy) {
2171 if (get_param_value(buf, sizeof(buf),
2172 "once", optarg)) {
2173 validate_bootdevices(buf);
2174 standard_boot_devices = qemu_strdup(boot_devices);
2175 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2176 qemu_register_reset(restore_boot_devices,
2177 standard_boot_devices);
2178 }
2179 if (get_param_value(buf, sizeof(buf),
2180 "menu", optarg)) {
2181 if (!strcmp(buf, "on")) {
2182 boot_menu = 1;
2183 } else if (!strcmp(buf, "off")) {
2184 boot_menu = 0;
2185 } else {
2186 fprintf(stderr,
2187 "qemu: invalid option value '%s'\n",
2188 buf);
2189 exit(1);
2190 }
2191 }
2192 }
2193 }
2194 break;
2195 case QEMU_OPTION_fda:
2196 case QEMU_OPTION_fdb:
2197 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2198 optarg, FD_OPTS);
2199 break;
2200 case QEMU_OPTION_no_fd_bootchk:
2201 fd_bootchk = 0;
2202 break;
2203 case QEMU_OPTION_netdev:
2204 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2205 exit(1);
2206 }
2207 break;
2208 case QEMU_OPTION_net:
2209 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2210 exit(1);
2211 }
2212 break;
2213 #ifdef CONFIG_SLIRP
2214 case QEMU_OPTION_tftp:
2215 legacy_tftp_prefix = optarg;
2216 break;
2217 case QEMU_OPTION_bootp:
2218 legacy_bootp_filename = optarg;
2219 break;
2220 case QEMU_OPTION_redir:
2221 if (net_slirp_redir(optarg) < 0)
2222 exit(1);
2223 break;
2224 #endif
2225 case QEMU_OPTION_bt:
2226 add_device_config(DEV_BT, optarg);
2227 break;
2228 case QEMU_OPTION_audio_help:
2229 if (!(audio_available())) {
2230 printf("Option %s not supported for this target\n", popt->name);
2231 exit(1);
2232 }
2233 AUD_help ();
2234 exit (0);
2235 break;
2236 case QEMU_OPTION_soundhw:
2237 if (!(audio_available())) {
2238 printf("Option %s not supported for this target\n", popt->name);
2239 exit(1);
2240 }
2241 select_soundhw (optarg);
2242 break;
2243 case QEMU_OPTION_h:
2244 help(0);
2245 break;
2246 case QEMU_OPTION_version:
2247 version();
2248 exit(0);
2249 break;
2250 case QEMU_OPTION_m: {
2251 int64_t value;
2252
2253 value = strtosz(optarg, NULL);
2254 if (value < 0) {
2255 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2256 exit(1);
2257 }
2258
2259 /* On 32-bit hosts, QEMU is limited by virtual address space */
2260 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2261 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2262 exit(1);
2263 }
2264 if (value != (uint64_t)(ram_addr_t)value) {
2265 fprintf(stderr, "qemu: ram size too large\n");
2266 exit(1);
2267 }
2268 ram_size = value;
2269 break;
2270 }
2271 case QEMU_OPTION_mempath:
2272 mem_path = optarg;
2273 break;
2274 #ifdef MAP_POPULATE
2275 case QEMU_OPTION_mem_prealloc:
2276 mem_prealloc = 1;
2277 break;
2278 #endif
2279 case QEMU_OPTION_d:
2280 set_cpu_log(optarg);
2281 break;
2282 case QEMU_OPTION_s:
2283 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2284 break;
2285 case QEMU_OPTION_gdb:
2286 gdbstub_dev = optarg;
2287 break;
2288 case QEMU_OPTION_L:
2289 data_dir = optarg;
2290 break;
2291 case QEMU_OPTION_bios:
2292 bios_name = optarg;
2293 break;
2294 case QEMU_OPTION_singlestep:
2295 singlestep = 1;
2296 break;
2297 case QEMU_OPTION_S:
2298 autostart = 0;
2299 break;
2300 case QEMU_OPTION_k:
2301 keyboard_layout = optarg;
2302 break;
2303 case QEMU_OPTION_localtime:
2304 rtc_utc = 0;
2305 break;
2306 case QEMU_OPTION_vga:
2307 select_vgahw (optarg);
2308 break;
2309 case QEMU_OPTION_g:
2310 {
2311 const char *p;
2312 int w, h, depth;
2313 p = optarg;
2314 w = strtol(p, (char **)&p, 10);
2315 if (w <= 0) {
2316 graphic_error:
2317 fprintf(stderr, "qemu: invalid resolution or depth\n");
2318 exit(1);
2319 }
2320 if (*p != 'x')
2321 goto graphic_error;
2322 p++;
2323 h = strtol(p, (char **)&p, 10);
2324 if (h <= 0)
2325 goto graphic_error;
2326 if (*p == 'x') {
2327 p++;
2328 depth = strtol(p, (char **)&p, 10);
2329 if (depth != 8 && depth != 15 && depth != 16 &&
2330 depth != 24 && depth != 32)
2331 goto graphic_error;
2332 } else if (*p == '\0') {
2333 depth = graphic_depth;
2334 } else {
2335 goto graphic_error;
2336 }
2337
2338 graphic_width = w;
2339 graphic_height = h;
2340 graphic_depth = depth;
2341 }
2342 break;
2343 case QEMU_OPTION_echr:
2344 {
2345 char *r;
2346 term_escape_char = strtol(optarg, &r, 0);
2347 if (r == optarg)
2348 printf("Bad argument to echr\n");
2349 break;
2350 }
2351 case QEMU_OPTION_monitor:
2352 monitor_parse(optarg, "readline");
2353 default_monitor = 0;
2354 break;
2355 case QEMU_OPTION_qmp:
2356 monitor_parse(optarg, "control");
2357 default_monitor = 0;
2358 break;
2359 case QEMU_OPTION_mon:
2360 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2361 if (!opts) {
2362 exit(1);
2363 }
2364 default_monitor = 0;
2365 break;
2366 case QEMU_OPTION_chardev:
2367 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2368 if (!opts) {
2369 exit(1);
2370 }
2371 break;
2372 case QEMU_OPTION_fsdev:
2373 olist = qemu_find_opts("fsdev");
2374 if (!olist) {
2375 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2376 exit(1);
2377 }
2378 opts = qemu_opts_parse(olist, optarg, 1);
2379 if (!opts) {
2380 fprintf(stderr, "parse error: %s\n", optarg);
2381 exit(1);
2382 }
2383 break;
2384 case QEMU_OPTION_virtfs: {
2385 char *arg_fsdev = NULL;
2386 char *arg_9p = NULL;
2387 int len = 0;
2388
2389 olist = qemu_find_opts("virtfs");
2390 if (!olist) {
2391 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2392 exit(1);
2393 }
2394 opts = qemu_opts_parse(olist, optarg, 1);
2395 if (!opts) {
2396 fprintf(stderr, "parse error: %s\n", optarg);
2397 exit(1);
2398 }
2399
2400 if (qemu_opt_get(opts, "fstype") == NULL ||
2401 qemu_opt_get(opts, "mount_tag") == NULL ||
2402 qemu_opt_get(opts, "path") == NULL ||
2403 qemu_opt_get(opts, "security_model") == NULL) {
2404 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2405 "security_model=[mapped|passthrough|none],"
2406 "mnt_tag=tag.\n");
2407 exit(1);
2408 }
2409
2410 len = strlen(",id=,path=,security_model=");
2411 len += strlen(qemu_opt_get(opts, "fstype"));
2412 len += strlen(qemu_opt_get(opts, "mount_tag"));
2413 len += strlen(qemu_opt_get(opts, "path"));
2414 len += strlen(qemu_opt_get(opts, "security_model"));
2415 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2416
2417 snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev),
2418 "%s,id=%s,path=%s,security_model=%s",
2419 qemu_opt_get(opts, "fstype"),
2420 qemu_opt_get(opts, "mount_tag"),
2421 qemu_opt_get(opts, "path"),
2422 qemu_opt_get(opts, "security_model"));
2423
2424 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2425 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2426 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2427
2428 snprintf(arg_9p, (len + 1) * sizeof(*arg_9p),
2429 "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2430 qemu_opt_get(opts, "mount_tag"),
2431 qemu_opt_get(opts, "mount_tag"));
2432
2433 if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
2434 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2435 exit(1);
2436 }
2437
2438 if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
2439 fprintf(stderr, "parse error [device]: %s\n", optarg);
2440 exit(1);
2441 }
2442
2443 qemu_free(arg_fsdev);
2444 qemu_free(arg_9p);
2445 break;
2446 }
2447 case QEMU_OPTION_serial:
2448 add_device_config(DEV_SERIAL, optarg);
2449 default_serial = 0;
2450 if (strncmp(optarg, "mon:", 4) == 0) {
2451 default_monitor = 0;
2452 }
2453 break;
2454 case QEMU_OPTION_watchdog:
2455 if (watchdog) {
2456 fprintf(stderr,
2457 "qemu: only one watchdog option may be given\n");
2458 return 1;
2459 }
2460 watchdog = optarg;
2461 break;
2462 case QEMU_OPTION_watchdog_action:
2463 if (select_watchdog_action(optarg) == -1) {
2464 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2465 exit(1);
2466 }
2467 break;
2468 case QEMU_OPTION_virtiocon:
2469 add_device_config(DEV_VIRTCON, optarg);
2470 default_virtcon = 0;
2471 if (strncmp(optarg, "mon:", 4) == 0) {
2472 default_monitor = 0;
2473 }
2474 break;
2475 case QEMU_OPTION_parallel:
2476 add_device_config(DEV_PARALLEL, optarg);
2477 default_parallel = 0;
2478 if (strncmp(optarg, "mon:", 4) == 0) {
2479 default_monitor = 0;
2480 }
2481 break;
2482 case QEMU_OPTION_debugcon:
2483 add_device_config(DEV_DEBUGCON, optarg);
2484 break;
2485 case QEMU_OPTION_loadvm:
2486 loadvm = optarg;
2487 break;
2488 case QEMU_OPTION_full_screen:
2489 full_screen = 1;
2490 break;
2491 #ifdef CONFIG_SDL
2492 case QEMU_OPTION_no_frame:
2493 no_frame = 1;
2494 break;
2495 case QEMU_OPTION_alt_grab:
2496 alt_grab = 1;
2497 break;
2498 case QEMU_OPTION_ctrl_grab:
2499 ctrl_grab = 1;
2500 break;
2501 case QEMU_OPTION_no_quit:
2502 no_quit = 1;
2503 break;
2504 case QEMU_OPTION_sdl:
2505 display_type = DT_SDL;
2506 break;
2507 #endif
2508 case QEMU_OPTION_pidfile:
2509 pid_file = optarg;
2510 break;
2511 case QEMU_OPTION_win2k_hack:
2512 win2k_install_hack = 1;
2513 break;
2514 case QEMU_OPTION_rtc_td_hack:
2515 rtc_td_hack = 1;
2516 break;
2517 case QEMU_OPTION_acpitable:
2518 do_acpitable_option(optarg);
2519 break;
2520 case QEMU_OPTION_smbios:
2521 do_smbios_option(optarg);
2522 break;
2523 case QEMU_OPTION_enable_kvm:
2524 kvm_allowed = 1;
2525 break;
2526 case QEMU_OPTION_usb:
2527 usb_enabled = 1;
2528 break;
2529 case QEMU_OPTION_usbdevice:
2530 usb_enabled = 1;
2531 add_device_config(DEV_USB, optarg);
2532 break;
2533 case QEMU_OPTION_device:
2534 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2535 exit(1);
2536 }
2537 break;
2538 case QEMU_OPTION_smp:
2539 smp_parse(optarg);
2540 if (smp_cpus < 1) {
2541 fprintf(stderr, "Invalid number of CPUs\n");
2542 exit(1);
2543 }
2544 if (max_cpus < smp_cpus) {
2545 fprintf(stderr, "maxcpus must be equal to or greater than "
2546 "smp\n");
2547 exit(1);
2548 }
2549 if (max_cpus > 255) {
2550 fprintf(stderr, "Unsupported number of maxcpus\n");
2551 exit(1);
2552 }
2553 break;
2554 case QEMU_OPTION_vnc:
2555 display_remote++;
2556 vnc_display = optarg;
2557 break;
2558 case QEMU_OPTION_no_acpi:
2559 acpi_enabled = 0;
2560 break;
2561 case QEMU_OPTION_no_hpet:
2562 no_hpet = 1;
2563 break;
2564 case QEMU_OPTION_balloon:
2565 if (balloon_parse(optarg) < 0) {
2566 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2567 exit(1);
2568 }
2569 break;
2570 case QEMU_OPTION_no_reboot:
2571 no_reboot = 1;
2572 break;
2573 case QEMU_OPTION_no_shutdown:
2574 no_shutdown = 1;
2575 break;
2576 case QEMU_OPTION_show_cursor:
2577 cursor_hide = 0;
2578 break;
2579 case QEMU_OPTION_uuid:
2580 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2581 fprintf(stderr, "Fail to parse UUID string."
2582 " Wrong format.\n");
2583 exit(1);
2584 }
2585 break;
2586 case QEMU_OPTION_option_rom:
2587 if (nb_option_roms >= MAX_OPTION_ROMS) {
2588 fprintf(stderr, "Too many option ROMs\n");
2589 exit(1);
2590 }
2591 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2592 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2593 option_rom[nb_option_roms].bootindex =
2594 qemu_opt_get_number(opts, "bootindex", -1);
2595 if (!option_rom[nb_option_roms].name) {
2596 fprintf(stderr, "Option ROM file is not specified\n");
2597 exit(1);
2598 }
2599 nb_option_roms++;
2600 break;
2601 case QEMU_OPTION_semihosting:
2602 semihosting_enabled = 1;
2603 break;
2604 case QEMU_OPTION_name:
2605 qemu_name = qemu_strdup(optarg);
2606 {
2607 char *p = strchr(qemu_name, ',');
2608 if (p != NULL) {
2609 *p++ = 0;
2610 if (strncmp(p, "process=", 8)) {
2611 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2612 exit(1);
2613 }
2614 p += 8;
2615 os_set_proc_name(p);
2616 }
2617 }
2618 break;
2619 case QEMU_OPTION_prom_env:
2620 if (nb_prom_envs >= MAX_PROM_ENVS) {
2621 fprintf(stderr, "Too many prom variables\n");
2622 exit(1);
2623 }
2624 prom_envs[nb_prom_envs] = optarg;
2625 nb_prom_envs++;
2626 break;
2627 case QEMU_OPTION_old_param:
2628 old_param = 1;
2629 break;
2630 case QEMU_OPTION_clock:
2631 configure_alarms(optarg);
2632 break;
2633 case QEMU_OPTION_startdate:
2634 configure_rtc_date_offset(optarg, 1);
2635 break;
2636 case QEMU_OPTION_rtc:
2637 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2638 if (!opts) {
2639 exit(1);
2640 }
2641 configure_rtc(opts);
2642 break;
2643 case QEMU_OPTION_tb_size:
2644 tb_size = strtol(optarg, NULL, 0);
2645 if (tb_size < 0)
2646 tb_size = 0;
2647 break;
2648 case QEMU_OPTION_icount:
2649 icount_option = optarg;
2650 break;
2651 case QEMU_OPTION_incoming:
2652 incoming = optarg;
2653 incoming_expected = true;
2654 break;
2655 case QEMU_OPTION_nodefaults:
2656 default_serial = 0;
2657 default_parallel = 0;
2658 default_virtcon = 0;
2659 default_monitor = 0;
2660 default_vga = 0;
2661 default_net = 0;
2662 default_floppy = 0;
2663 default_cdrom = 0;
2664 default_sdcard = 0;
2665 break;
2666 case QEMU_OPTION_xen_domid:
2667 if (!(xen_available())) {
2668 printf("Option %s not supported for this target\n", popt->name);
2669 exit(1);
2670 }
2671 xen_domid = atoi(optarg);
2672 break;
2673 case QEMU_OPTION_xen_create:
2674 if (!(xen_available())) {
2675 printf("Option %s not supported for this target\n", popt->name);
2676 exit(1);
2677 }
2678 xen_mode = XEN_CREATE;
2679 break;
2680 case QEMU_OPTION_xen_attach:
2681 if (!(xen_available())) {
2682 printf("Option %s not supported for this target\n", popt->name);
2683 exit(1);
2684 }
2685 xen_mode = XEN_ATTACH;
2686 break;
2687 #ifdef CONFIG_SIMPLE_TRACE
2688 case QEMU_OPTION_trace:
2689 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2690 if (opts) {
2691 trace_file = qemu_opt_get(opts, "file");
2692 }
2693 break;
2694 #endif
2695 case QEMU_OPTION_readconfig:
2696 {
2697 int ret = qemu_read_config_file(optarg);
2698 if (ret < 0) {
2699 fprintf(stderr, "read config %s: %s\n", optarg,
2700 strerror(-ret));
2701 exit(1);
2702 }
2703 break;
2704 }
2705 case QEMU_OPTION_spice:
2706 olist = qemu_find_opts("spice");
2707 if (!olist) {
2708 fprintf(stderr, "spice is not supported by this qemu build.\n");
2709 exit(1);
2710 }
2711 opts = qemu_opts_parse(olist, optarg, 0);
2712 if (!opts) {
2713 fprintf(stderr, "parse error: %s\n", optarg);
2714 exit(1);
2715 }
2716 break;
2717 case QEMU_OPTION_writeconfig:
2718 {
2719 FILE *fp;
2720 if (strcmp(optarg, "-") == 0) {
2721 fp = stdout;
2722 } else {
2723 fp = fopen(optarg, "w");
2724 if (fp == NULL) {
2725 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2726 exit(1);
2727 }
2728 }
2729 qemu_config_write(fp);
2730 fclose(fp);
2731 break;
2732 }
2733 default:
2734 os_parse_cmd_args(popt->index, optarg);
2735 }
2736 }
2737 }
2738 loc_set_none();
2739
2740 /* If no data_dir is specified then try to find it relative to the
2741 executable path. */
2742 if (!data_dir) {
2743 data_dir = os_find_datadir(argv[0]);
2744 }
2745 /* If all else fails use the install patch specified when building. */
2746 if (!data_dir) {
2747 data_dir = CONFIG_QEMU_DATADIR;
2748 }
2749
2750 #ifdef CONFIG_SIMPLE_TRACE
2751 /*
2752 * Set the trace file name, if specified.
2753 */
2754 st_set_trace_file(trace_file);
2755 #endif
2756 /*
2757 * Default to max_cpus = smp_cpus, in case the user doesn't
2758 * specify a max_cpus value.
2759 */
2760 if (!max_cpus)
2761 max_cpus = smp_cpus;
2762
2763 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2764 if (smp_cpus > machine->max_cpus) {
2765 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2766 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2767 machine->max_cpus);
2768 exit(1);
2769 }
2770
2771 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2772 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2773
2774 if (machine->no_serial) {
2775 default_serial = 0;
2776 }
2777 if (machine->no_parallel) {
2778 default_parallel = 0;
2779 }
2780 if (!machine->use_virtcon) {
2781 default_virtcon = 0;
2782 }
2783 if (machine->no_vga) {
2784 default_vga = 0;
2785 }
2786 if (machine->no_floppy) {
2787 default_floppy = 0;
2788 }
2789 if (machine->no_cdrom) {
2790 default_cdrom = 0;
2791 }
2792 if (machine->no_sdcard) {
2793 default_sdcard = 0;
2794 }
2795
2796 if (display_type == DT_NOGRAPHIC) {
2797 if (default_parallel)
2798 add_device_config(DEV_PARALLEL, "null");
2799 if (default_serial && default_monitor) {
2800 add_device_config(DEV_SERIAL, "mon:stdio");
2801 } else if (default_virtcon && default_monitor) {
2802 add_device_config(DEV_VIRTCON, "mon:stdio");
2803 } else {
2804 if (default_serial)
2805 add_device_config(DEV_SERIAL, "stdio");
2806 if (default_virtcon)
2807 add_device_config(DEV_VIRTCON, "stdio");
2808 if (default_monitor)
2809 monitor_parse("stdio", "readline");
2810 }
2811 } else {
2812 if (default_serial)
2813 add_device_config(DEV_SERIAL, "vc:80Cx24C");
2814 if (default_parallel)
2815 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2816 if (default_monitor)
2817 monitor_parse("vc:80Cx24C", "readline");
2818 if (default_virtcon)
2819 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
2820 }
2821 if (default_vga)
2822 vga_interface_type = VGA_CIRRUS;
2823
2824 socket_init();
2825
2826 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
2827 exit(1);
2828 #ifdef CONFIG_VIRTFS
2829 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
2830 exit(1);
2831 }
2832 #endif
2833
2834 os_daemonize();
2835
2836 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
2837 os_pidfile_error();
2838 exit(1);
2839 }
2840
2841 if (kvm_allowed) {
2842 int ret = kvm_init(smp_cpus);
2843 if (ret < 0) {
2844 if (!kvm_available()) {
2845 printf("KVM not supported for this target\n");
2846 } else {
2847 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2848 }
2849 exit(1);
2850 }
2851 }
2852
2853 if (qemu_init_main_loop()) {
2854 fprintf(stderr, "qemu_init_main_loop failed\n");
2855 exit(1);
2856 }
2857 linux_boot = (kernel_filename != NULL);
2858
2859 if (!linux_boot && *kernel_cmdline != '\0') {
2860 fprintf(stderr, "-append only allowed with -kernel option\n");
2861 exit(1);
2862 }
2863
2864 if (!linux_boot && initrd_filename != NULL) {
2865 fprintf(stderr, "-initrd only allowed with -kernel option\n");
2866 exit(1);
2867 }
2868
2869 os_set_line_buffering();
2870
2871 if (init_timer_alarm() < 0) {
2872 fprintf(stderr, "could not initialize alarm timer\n");
2873 exit(1);
2874 }
2875 configure_icount(icount_option);
2876
2877 if (net_init_clients() < 0) {
2878 exit(1);
2879 }
2880
2881 /* init the bluetooth world */
2882 if (foreach_device_config(DEV_BT, bt_parse))
2883 exit(1);
2884
2885 /* init the memory */
2886 if (ram_size == 0)
2887 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
2888
2889 /* init the dynamic translator */
2890 cpu_exec_init_all(tb_size * 1024 * 1024);
2891
2892 bdrv_init_with_whitelist();
2893
2894 blk_mig_init();
2895
2896 if (default_cdrom) {
2897 /* we always create the cdrom drive, even if no disk is there */
2898 drive_add(IF_DEFAULT, 2, NULL, CDROM_OPTS);
2899 }
2900
2901 if (default_floppy) {
2902 /* we always create at least one floppy */
2903 drive_add(IF_FLOPPY, 0, NULL, FD_OPTS);
2904 }
2905
2906 if (default_sdcard) {
2907 /* we always create one sd slot, even if no card is in it */
2908 drive_add(IF_SD, 0, NULL, SD_OPTS);
2909 }
2910
2911 /* open the virtual block devices */
2912 if (snapshot)
2913 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
2914 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
2915 exit(1);
2916
2917 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
2918 ram_load, NULL);
2919
2920 if (nb_numa_nodes > 0) {
2921 int i;
2922
2923 if (nb_numa_nodes > smp_cpus) {
2924 nb_numa_nodes = smp_cpus;
2925 }
2926
2927 /* If no memory size if given for any node, assume the default case
2928 * and distribute the available memory equally across all nodes
2929 */
2930 for (i = 0; i < nb_numa_nodes; i++) {
2931 if (node_mem[i] != 0)
2932 break;
2933 }
2934 if (i == nb_numa_nodes) {
2935 uint64_t usedmem = 0;
2936
2937 /* On Linux, the each node's border has to be 8MB aligned,
2938 * the final node gets the rest.
2939 */
2940 for (i = 0; i < nb_numa_nodes - 1; i++) {
2941 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2942 usedmem += node_mem[i];
2943 }
2944 node_mem[i] = ram_size - usedmem;
2945 }
2946
2947 for (i = 0; i < nb_numa_nodes; i++) {
2948 if (node_cpumask[i] != 0)
2949 break;
2950 }
2951 /* assigning the VCPUs round-robin is easier to implement, guest OSes
2952 * must cope with this anyway, because there are BIOSes out there in
2953 * real machines which also use this scheme.
2954 */
2955 if (i == nb_numa_nodes) {
2956 for (i = 0; i < smp_cpus; i++) {
2957 node_cpumask[i % nb_numa_nodes] |= 1 << i;
2958 }
2959 }
2960 }
2961
2962 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
2963 exit(1);
2964 }
2965
2966 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2967 exit(1);
2968 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2969 exit(1);
2970 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2971 exit(1);
2972 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2973 exit(1);
2974
2975 module_call_init(MODULE_INIT_DEVICE);
2976
2977 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
2978 exit(0);
2979
2980 if (watchdog) {
2981 i = select_watchdog(watchdog);
2982 if (i > 0)
2983 exit (i == 1 ? 1 : 0);
2984 }
2985
2986 if (machine->compat_props) {
2987 qdev_prop_register_global_list(machine->compat_props);
2988 }
2989 qemu_add_globals();
2990
2991 machine->init(ram_size, boot_devices,
2992 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
2993
2994 cpu_synchronize_all_post_init();
2995
2996 /* must be after terminal init, SDL library changes signal handlers */
2997 os_setup_signal_handling();
2998
2999 set_numa_modes();
3000
3001 current_machine = machine;
3002
3003 /* init USB devices */
3004 if (usb_enabled) {
3005 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3006 exit(1);
3007 }
3008
3009 /* init generic devices */
3010 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3011 exit(1);
3012
3013 net_check_clients();
3014
3015 /* just use the first displaystate for the moment */
3016 ds = get_displaystate();
3017
3018 if (using_spice)
3019 display_remote++;
3020 if (display_type == DT_DEFAULT && !display_remote) {
3021 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3022 display_type = DT_SDL;
3023 #else
3024 vnc_display = "localhost:0,to=99";
3025 show_vnc_port = 1;
3026 #endif
3027 }
3028
3029
3030 /* init local displays */
3031 switch (display_type) {
3032 case DT_NOGRAPHIC:
3033 break;
3034 #if defined(CONFIG_CURSES)
3035 case DT_CURSES:
3036 curses_display_init(ds, full_screen);
3037 break;
3038 #endif
3039 #if defined(CONFIG_SDL)
3040 case DT_SDL:
3041 sdl_display_init(ds, full_screen, no_frame);
3042 break;
3043 #elif defined(CONFIG_COCOA)
3044 case DT_SDL:
3045 cocoa_display_init(ds, full_screen);
3046 break;
3047 #endif
3048 default:
3049 break;
3050 }
3051
3052 /* init remote displays */
3053 if (vnc_display) {
3054 vnc_display_init(ds);
3055 if (vnc_display_open(ds, vnc_display) < 0)
3056 exit(1);
3057
3058 if (show_vnc_port) {
3059 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3060 }
3061 }
3062 #ifdef CONFIG_SPICE
3063 if (using_spice && !qxl_enabled) {
3064 qemu_spice_display_init(ds);
3065 }
3066 #endif
3067
3068 /* display setup */
3069 dpy_resize(ds);
3070 dcl = ds->listeners;
3071 while (dcl != NULL) {
3072 if (dcl->dpy_refresh != NULL) {
3073 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
3074 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
3075 break;
3076 }
3077 dcl = dcl->next;
3078 }
3079 if (ds->gui_timer == NULL) {
3080 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
3081 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
3082 }
3083 text_consoles_set_display(ds);
3084
3085 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3086 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3087 gdbstub_dev);
3088 exit(1);
3089 }
3090
3091 qdev_machine_creation_done();
3092
3093 if (rom_load_all() != 0) {
3094 fprintf(stderr, "rom loading failed\n");
3095 exit(1);
3096 }
3097
3098 /* TODO: once all bus devices are qdevified, this should be done
3099 * when bus is created by qdev.c */
3100 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3101 qemu_run_machine_init_done_notifiers();
3102
3103 qemu_system_reset();
3104 if (loadvm) {
3105 if (load_vmstate(loadvm) < 0) {
3106 autostart = 0;
3107 }
3108 }
3109
3110 if (incoming) {
3111 int ret = qemu_start_incoming_migration(incoming);
3112 if (ret < 0) {
3113 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3114 incoming, ret);
3115 exit(ret);
3116 }
3117 } else if (autostart) {
3118 vm_start();
3119 }
3120
3121 os_setup_post();
3122
3123 main_loop();
3124 quit_timers();
3125 net_cleanup();
3126
3127 return 0;
3128 }
Qemu copy for testing