Merge remote-tracking branch 'kraxel/usb.16' into staging
[qemu.git] / vl.c
blobc1cc6146667c6647c54cd17faf4f467d71a39462
1 /*
2 * QEMU System Emulator
4 * Copyright (c) 2003-2008 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
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>
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
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>
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>
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
84 #if defined(__OpenBSD__)
85 #include <util.h>
86 #endif
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
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)
102 return qemu_main(argc, argv, NULL);
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
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
152 #include "disas.h"
154 #include "qemu_socket.h"
156 #include "slirp/libslirp.h"
158 #include "trace.h"
159 #include "simpletrace.h"
160 #include "qemu-queue.h"
161 #include "cpus.h"
162 #include "arch_init.h"
164 #include "ui/qemu-spice.h"
166 //#define DEBUG_NET
167 //#define DEBUG_SLIRP
169 #define DEFAULT_RAM_SIZE 128
171 #define MAX_VIRTIO_CONSOLES 1
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;
232 typedef struct FWBootEntry FWBootEntry;
234 struct FWBootEntry {
235 QTAILQ_ENTRY(FWBootEntry) link;
236 int32_t bootindex;
237 DeviceState *dev;
238 char *suffix;
241 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
243 int nb_numa_nodes;
244 uint64_t node_mem[MAX_NODES];
245 uint64_t node_cpumask[MAX_NODES];
247 static QEMUTimer *nographic_timer;
249 uint8_t qemu_uuid[16];
251 static QEMUBootSetHandler *boot_set_handler;
252 static void *boot_set_opaque;
254 static NotifierList exit_notifiers =
255 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
257 static NotifierList machine_init_done_notifiers =
258 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
260 static int tcg_allowed = 1;
261 int kvm_allowed = 0;
262 int xen_allowed = 0;
263 uint32_t xen_domid;
264 enum xen_mode xen_mode = XEN_EMULATE;
266 static int default_serial = 1;
267 static int default_parallel = 1;
268 static int default_virtcon = 1;
269 static int default_monitor = 1;
270 static int default_vga = 1;
271 static int default_floppy = 1;
272 static int default_cdrom = 1;
273 static int default_sdcard = 1;
275 static struct {
276 const char *driver;
277 int *flag;
278 } default_list[] = {
279 { .driver = "isa-serial", .flag = &default_serial },
280 { .driver = "isa-parallel", .flag = &default_parallel },
281 { .driver = "isa-fdc", .flag = &default_floppy },
282 { .driver = "ide-cd", .flag = &default_cdrom },
283 { .driver = "ide-hd", .flag = &default_cdrom },
284 { .driver = "ide-drive", .flag = &default_cdrom },
285 { .driver = "scsi-cd", .flag = &default_cdrom },
286 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
287 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
288 { .driver = "virtio-serial", .flag = &default_virtcon },
289 { .driver = "VGA", .flag = &default_vga },
290 { .driver = "cirrus-vga", .flag = &default_vga },
291 { .driver = "vmware-svga", .flag = &default_vga },
292 { .driver = "isa-vga", .flag = &default_vga },
293 { .driver = "qxl-vga", .flag = &default_vga },
296 static int default_driver_check(QemuOpts *opts, void *opaque)
298 const char *driver = qemu_opt_get(opts, "driver");
299 int i;
301 if (!driver)
302 return 0;
303 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
304 if (strcmp(default_list[i].driver, driver) != 0)
305 continue;
306 *(default_list[i].flag) = 0;
308 return 0;
311 /***********************************************************/
312 /* real time host monotonic timer */
314 /***********************************************************/
315 /* host time/date access */
316 void qemu_get_timedate(struct tm *tm, int offset)
318 time_t ti;
319 struct tm *ret;
321 time(&ti);
322 ti += offset;
323 if (rtc_date_offset == -1) {
324 if (rtc_utc)
325 ret = gmtime(&ti);
326 else
327 ret = localtime(&ti);
328 } else {
329 ti -= rtc_date_offset;
330 ret = gmtime(&ti);
333 memcpy(tm, ret, sizeof(struct tm));
336 int qemu_timedate_diff(struct tm *tm)
338 time_t seconds;
340 if (rtc_date_offset == -1)
341 if (rtc_utc)
342 seconds = mktimegm(tm);
343 else
344 seconds = mktime(tm);
345 else
346 seconds = mktimegm(tm) + rtc_date_offset;
348 return seconds - time(NULL);
351 void rtc_change_mon_event(struct tm *tm)
353 QObject *data;
355 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
356 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
357 qobject_decref(data);
360 static void configure_rtc_date_offset(const char *startdate, int legacy)
362 time_t rtc_start_date;
363 struct tm tm;
365 if (!strcmp(startdate, "now") && legacy) {
366 rtc_date_offset = -1;
367 } else {
368 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
369 &tm.tm_year,
370 &tm.tm_mon,
371 &tm.tm_mday,
372 &tm.tm_hour,
373 &tm.tm_min,
374 &tm.tm_sec) == 6) {
375 /* OK */
376 } else if (sscanf(startdate, "%d-%d-%d",
377 &tm.tm_year,
378 &tm.tm_mon,
379 &tm.tm_mday) == 3) {
380 tm.tm_hour = 0;
381 tm.tm_min = 0;
382 tm.tm_sec = 0;
383 } else {
384 goto date_fail;
386 tm.tm_year -= 1900;
387 tm.tm_mon--;
388 rtc_start_date = mktimegm(&tm);
389 if (rtc_start_date == -1) {
390 date_fail:
391 fprintf(stderr, "Invalid date format. Valid formats are:\n"
392 "'2006-06-17T16:01:21' or '2006-06-17'\n");
393 exit(1);
395 rtc_date_offset = time(NULL) - rtc_start_date;
399 static void configure_rtc(QemuOpts *opts)
401 const char *value;
403 value = qemu_opt_get(opts, "base");
404 if (value) {
405 if (!strcmp(value, "utc")) {
406 rtc_utc = 1;
407 } else if (!strcmp(value, "localtime")) {
408 rtc_utc = 0;
409 } else {
410 configure_rtc_date_offset(value, 0);
413 value = qemu_opt_get(opts, "clock");
414 if (value) {
415 if (!strcmp(value, "host")) {
416 rtc_clock = host_clock;
417 } else if (!strcmp(value, "vm")) {
418 rtc_clock = vm_clock;
419 } else {
420 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
421 exit(1);
424 value = qemu_opt_get(opts, "driftfix");
425 if (value) {
426 if (!strcmp(value, "slew")) {
427 rtc_td_hack = 1;
428 } else if (!strcmp(value, "none")) {
429 rtc_td_hack = 0;
430 } else {
431 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
432 exit(1);
437 /***********************************************************/
438 /* Bluetooth support */
439 static int nb_hcis;
440 static int cur_hci;
441 static struct HCIInfo *hci_table[MAX_NICS];
443 static struct bt_vlan_s {
444 struct bt_scatternet_s net;
445 int id;
446 struct bt_vlan_s *next;
447 } *first_bt_vlan;
449 /* find or alloc a new bluetooth "VLAN" */
450 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
452 struct bt_vlan_s **pvlan, *vlan;
453 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
454 if (vlan->id == id)
455 return &vlan->net;
457 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
458 vlan->id = id;
459 pvlan = &first_bt_vlan;
460 while (*pvlan != NULL)
461 pvlan = &(*pvlan)->next;
462 *pvlan = vlan;
463 return &vlan->net;
466 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
470 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
472 return -ENOTSUP;
475 static struct HCIInfo null_hci = {
476 .cmd_send = null_hci_send,
477 .sco_send = null_hci_send,
478 .acl_send = null_hci_send,
479 .bdaddr_set = null_hci_addr_set,
482 struct HCIInfo *qemu_next_hci(void)
484 if (cur_hci == nb_hcis)
485 return &null_hci;
487 return hci_table[cur_hci++];
490 static struct HCIInfo *hci_init(const char *str)
492 char *endp;
493 struct bt_scatternet_s *vlan = 0;
495 if (!strcmp(str, "null"))
496 /* null */
497 return &null_hci;
498 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
499 /* host[:hciN] */
500 return bt_host_hci(str[4] ? str + 5 : "hci0");
501 else if (!strncmp(str, "hci", 3)) {
502 /* hci[,vlan=n] */
503 if (str[3]) {
504 if (!strncmp(str + 3, ",vlan=", 6)) {
505 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
506 if (*endp)
507 vlan = 0;
509 } else
510 vlan = qemu_find_bt_vlan(0);
511 if (vlan)
512 return bt_new_hci(vlan);
515 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
517 return 0;
520 static int bt_hci_parse(const char *str)
522 struct HCIInfo *hci;
523 bdaddr_t bdaddr;
525 if (nb_hcis >= MAX_NICS) {
526 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
527 return -1;
530 hci = hci_init(str);
531 if (!hci)
532 return -1;
534 bdaddr.b[0] = 0x52;
535 bdaddr.b[1] = 0x54;
536 bdaddr.b[2] = 0x00;
537 bdaddr.b[3] = 0x12;
538 bdaddr.b[4] = 0x34;
539 bdaddr.b[5] = 0x56 + nb_hcis;
540 hci->bdaddr_set(hci, bdaddr.b);
542 hci_table[nb_hcis++] = hci;
544 return 0;
547 static void bt_vhci_add(int vlan_id)
549 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
551 if (!vlan->slave)
552 fprintf(stderr, "qemu: warning: adding a VHCI to "
553 "an empty scatternet %i\n", vlan_id);
555 bt_vhci_init(bt_new_hci(vlan));
558 static struct bt_device_s *bt_device_add(const char *opt)
560 struct bt_scatternet_s *vlan;
561 int vlan_id = 0;
562 char *endp = strstr(opt, ",vlan=");
563 int len = (endp ? endp - opt : strlen(opt)) + 1;
564 char devname[10];
566 pstrcpy(devname, MIN(sizeof(devname), len), opt);
568 if (endp) {
569 vlan_id = strtol(endp + 6, &endp, 0);
570 if (*endp) {
571 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
572 return 0;
576 vlan = qemu_find_bt_vlan(vlan_id);
578 if (!vlan->slave)
579 fprintf(stderr, "qemu: warning: adding a slave device to "
580 "an empty scatternet %i\n", vlan_id);
582 if (!strcmp(devname, "keyboard"))
583 return bt_keyboard_init(vlan);
585 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
586 return 0;
589 static int bt_parse(const char *opt)
591 const char *endp, *p;
592 int vlan;
594 if (strstart(opt, "hci", &endp)) {
595 if (!*endp || *endp == ',') {
596 if (*endp)
597 if (!strstart(endp, ",vlan=", 0))
598 opt = endp + 1;
600 return bt_hci_parse(opt);
602 } else if (strstart(opt, "vhci", &endp)) {
603 if (!*endp || *endp == ',') {
604 if (*endp) {
605 if (strstart(endp, ",vlan=", &p)) {
606 vlan = strtol(p, (char **) &endp, 0);
607 if (*endp) {
608 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
609 return 1;
611 } else {
612 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
613 return 1;
615 } else
616 vlan = 0;
618 bt_vhci_add(vlan);
619 return 0;
621 } else if (strstart(opt, "device:", &endp))
622 return !bt_device_add(endp);
624 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
625 return 1;
628 /***********************************************************/
629 /* QEMU Block devices */
631 #define HD_OPTS "media=disk"
632 #define CDROM_OPTS "media=cdrom"
633 #define FD_OPTS ""
634 #define PFLASH_OPTS ""
635 #define MTD_OPTS ""
636 #define SD_OPTS ""
638 static int drive_init_func(QemuOpts *opts, void *opaque)
640 int *use_scsi = opaque;
642 return drive_init(opts, *use_scsi) == NULL;
645 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
647 if (NULL == qemu_opt_get(opts, "snapshot")) {
648 qemu_opt_set(opts, "snapshot", "on");
650 return 0;
653 static void default_drive(int enable, int snapshot, int use_scsi,
654 BlockInterfaceType type, int index,
655 const char *optstr)
657 QemuOpts *opts;
659 if (type == IF_DEFAULT) {
660 type = use_scsi ? IF_SCSI : IF_IDE;
663 if (!enable || drive_get_by_index(type, index)) {
664 return;
667 opts = drive_add(type, index, NULL, optstr);
668 if (snapshot) {
669 drive_enable_snapshot(opts, NULL);
671 if (!drive_init(opts, use_scsi)) {
672 exit(1);
676 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
678 boot_set_handler = func;
679 boot_set_opaque = opaque;
682 int qemu_boot_set(const char *boot_devices)
684 if (!boot_set_handler) {
685 return -EINVAL;
687 return boot_set_handler(boot_set_opaque, boot_devices);
690 static void validate_bootdevices(char *devices)
692 /* We just do some generic consistency checks */
693 const char *p;
694 int bitmap = 0;
696 for (p = devices; *p != '\0'; p++) {
697 /* Allowed boot devices are:
698 * a-b: floppy disk drives
699 * c-f: IDE disk drives
700 * g-m: machine implementation dependant drives
701 * n-p: network devices
702 * It's up to each machine implementation to check if the given boot
703 * devices match the actual hardware implementation and firmware
704 * features.
706 if (*p < 'a' || *p > 'p') {
707 fprintf(stderr, "Invalid boot device '%c'\n", *p);
708 exit(1);
710 if (bitmap & (1 << (*p - 'a'))) {
711 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
712 exit(1);
714 bitmap |= 1 << (*p - 'a');
718 static void restore_boot_devices(void *opaque)
720 char *standard_boot_devices = opaque;
721 static int first = 1;
723 /* Restore boot order and remove ourselves after the first boot */
724 if (first) {
725 first = 0;
726 return;
729 qemu_boot_set(standard_boot_devices);
731 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
732 qemu_free(standard_boot_devices);
735 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
736 const char *suffix)
738 FWBootEntry *node, *i;
740 if (bootindex < 0) {
741 return;
744 assert(dev != NULL || suffix != NULL);
746 node = qemu_mallocz(sizeof(FWBootEntry));
747 node->bootindex = bootindex;
748 node->suffix = suffix ? qemu_strdup(suffix) : NULL;
749 node->dev = dev;
751 QTAILQ_FOREACH(i, &fw_boot_order, link) {
752 if (i->bootindex == bootindex) {
753 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
754 exit(1);
755 } else if (i->bootindex < bootindex) {
756 continue;
758 QTAILQ_INSERT_BEFORE(i, node, link);
759 return;
761 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
765 * This function returns null terminated string that consist of new line
766 * separated device paths.
768 * memory pointed by "size" is assigned total length of the array in bytes
771 char *get_boot_devices_list(uint32_t *size)
773 FWBootEntry *i;
774 uint32_t total = 0;
775 char *list = NULL;
777 QTAILQ_FOREACH(i, &fw_boot_order, link) {
778 char *devpath = NULL, *bootpath;
779 int len;
781 if (i->dev) {
782 devpath = qdev_get_fw_dev_path(i->dev);
783 assert(devpath);
786 if (i->suffix && devpath) {
787 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
789 bootpath = qemu_malloc(bootpathlen);
790 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
791 qemu_free(devpath);
792 } else if (devpath) {
793 bootpath = devpath;
794 } else {
795 bootpath = qemu_strdup(i->suffix);
796 assert(bootpath);
799 if (total) {
800 list[total-1] = '\n';
802 len = strlen(bootpath) + 1;
803 list = qemu_realloc(list, total + len);
804 memcpy(&list[total], bootpath, len);
805 total += len;
806 qemu_free(bootpath);
809 *size = total;
811 return list;
814 static void numa_add(const char *optarg)
816 char option[128];
817 char *endptr;
818 unsigned long long value, endvalue;
819 int nodenr;
821 optarg = get_opt_name(option, 128, optarg, ',') + 1;
822 if (!strcmp(option, "node")) {
823 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
824 nodenr = nb_numa_nodes;
825 } else {
826 nodenr = strtoull(option, NULL, 10);
829 if (get_param_value(option, 128, "mem", optarg) == 0) {
830 node_mem[nodenr] = 0;
831 } else {
832 int64_t sval;
833 sval = strtosz(option, NULL);
834 if (sval < 0) {
835 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
836 exit(1);
838 node_mem[nodenr] = sval;
840 if (get_param_value(option, 128, "cpus", optarg) == 0) {
841 node_cpumask[nodenr] = 0;
842 } else {
843 value = strtoull(option, &endptr, 10);
844 if (value >= 64) {
845 value = 63;
846 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
847 } else {
848 if (*endptr == '-') {
849 endvalue = strtoull(endptr+1, &endptr, 10);
850 if (endvalue >= 63) {
851 endvalue = 62;
852 fprintf(stderr,
853 "only 63 CPUs in NUMA mode supported.\n");
855 value = (2ULL << endvalue) - (1ULL << value);
856 } else {
857 value = 1ULL << value;
860 node_cpumask[nodenr] = value;
862 nb_numa_nodes++;
864 return;
867 static void smp_parse(const char *optarg)
869 int smp, sockets = 0, threads = 0, cores = 0;
870 char *endptr;
871 char option[128];
873 smp = strtoul(optarg, &endptr, 10);
874 if (endptr != optarg) {
875 if (*endptr == ',') {
876 endptr++;
879 if (get_param_value(option, 128, "sockets", endptr) != 0)
880 sockets = strtoull(option, NULL, 10);
881 if (get_param_value(option, 128, "cores", endptr) != 0)
882 cores = strtoull(option, NULL, 10);
883 if (get_param_value(option, 128, "threads", endptr) != 0)
884 threads = strtoull(option, NULL, 10);
885 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
886 max_cpus = strtoull(option, NULL, 10);
888 /* compute missing values, prefer sockets over cores over threads */
889 if (smp == 0 || sockets == 0) {
890 sockets = sockets > 0 ? sockets : 1;
891 cores = cores > 0 ? cores : 1;
892 threads = threads > 0 ? threads : 1;
893 if (smp == 0) {
894 smp = cores * threads * sockets;
896 } else {
897 if (cores == 0) {
898 threads = threads > 0 ? threads : 1;
899 cores = smp / (sockets * threads);
900 } else {
901 threads = smp / (cores * sockets);
904 smp_cpus = smp;
905 smp_cores = cores > 0 ? cores : 1;
906 smp_threads = threads > 0 ? threads : 1;
907 if (max_cpus == 0)
908 max_cpus = smp_cpus;
911 /***********************************************************/
912 /* USB devices */
914 static int usb_device_add(const char *devname)
916 const char *p;
917 USBDevice *dev = NULL;
919 if (!usb_enabled)
920 return -1;
922 /* drivers with .usbdevice_name entry in USBDeviceInfo */
923 dev = usbdevice_create(devname);
924 if (dev)
925 goto done;
927 /* the other ones */
928 #ifndef CONFIG_LINUX
929 /* only the linux version is qdev-ified, usb-bsd still needs this */
930 if (strstart(devname, "host:", &p)) {
931 dev = usb_host_device_open(p);
932 } else
933 #endif
934 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
935 dev = usb_bt_init(devname[2] ? hci_init(p) :
936 bt_new_hci(qemu_find_bt_vlan(0)));
937 } else {
938 return -1;
940 if (!dev)
941 return -1;
943 done:
944 return 0;
947 static int usb_device_del(const char *devname)
949 int bus_num, addr;
950 const char *p;
952 if (strstart(devname, "host:", &p))
953 return usb_host_device_close(p);
955 if (!usb_enabled)
956 return -1;
958 p = strchr(devname, '.');
959 if (!p)
960 return -1;
961 bus_num = strtoul(devname, NULL, 0);
962 addr = strtoul(p + 1, NULL, 0);
964 return usb_device_delete_addr(bus_num, addr);
967 static int usb_parse(const char *cmdline)
969 int r;
970 r = usb_device_add(cmdline);
971 if (r < 0) {
972 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
974 return r;
977 void do_usb_add(Monitor *mon, const QDict *qdict)
979 const char *devname = qdict_get_str(qdict, "devname");
980 if (usb_device_add(devname) < 0) {
981 error_report("could not add USB device '%s'", devname);
985 void do_usb_del(Monitor *mon, const QDict *qdict)
987 const char *devname = qdict_get_str(qdict, "devname");
988 if (usb_device_del(devname) < 0) {
989 error_report("could not delete USB device '%s'", devname);
993 /***********************************************************/
994 /* PCMCIA/Cardbus */
996 static struct pcmcia_socket_entry_s {
997 PCMCIASocket *socket;
998 struct pcmcia_socket_entry_s *next;
999 } *pcmcia_sockets = 0;
1001 void pcmcia_socket_register(PCMCIASocket *socket)
1003 struct pcmcia_socket_entry_s *entry;
1005 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1006 entry->socket = socket;
1007 entry->next = pcmcia_sockets;
1008 pcmcia_sockets = entry;
1011 void pcmcia_socket_unregister(PCMCIASocket *socket)
1013 struct pcmcia_socket_entry_s *entry, **ptr;
1015 ptr = &pcmcia_sockets;
1016 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1017 if (entry->socket == socket) {
1018 *ptr = entry->next;
1019 qemu_free(entry);
1023 void pcmcia_info(Monitor *mon)
1025 struct pcmcia_socket_entry_s *iter;
1027 if (!pcmcia_sockets)
1028 monitor_printf(mon, "No PCMCIA sockets\n");
1030 for (iter = pcmcia_sockets; iter; iter = iter->next)
1031 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1032 iter->socket->attached ? iter->socket->card_string :
1033 "Empty");
1036 /***********************************************************/
1037 /* machine registration */
1039 static QEMUMachine *first_machine = NULL;
1040 QEMUMachine *current_machine = NULL;
1042 int qemu_register_machine(QEMUMachine *m)
1044 QEMUMachine **pm;
1045 pm = &first_machine;
1046 while (*pm != NULL)
1047 pm = &(*pm)->next;
1048 m->next = NULL;
1049 *pm = m;
1050 return 0;
1053 static QEMUMachine *find_machine(const char *name)
1055 QEMUMachine *m;
1057 for(m = first_machine; m != NULL; m = m->next) {
1058 if (!strcmp(m->name, name))
1059 return m;
1060 if (m->alias && !strcmp(m->alias, name))
1061 return m;
1063 return NULL;
1066 static QEMUMachine *find_default_machine(void)
1068 QEMUMachine *m;
1070 for(m = first_machine; m != NULL; m = m->next) {
1071 if (m->is_default) {
1072 return m;
1075 return NULL;
1078 /***********************************************************/
1079 /* main execution loop */
1081 static void gui_update(void *opaque)
1083 uint64_t interval = GUI_REFRESH_INTERVAL;
1084 DisplayState *ds = opaque;
1085 DisplayChangeListener *dcl = ds->listeners;
1087 qemu_flush_coalesced_mmio_buffer();
1088 dpy_refresh(ds);
1090 while (dcl != NULL) {
1091 if (dcl->gui_timer_interval &&
1092 dcl->gui_timer_interval < interval)
1093 interval = dcl->gui_timer_interval;
1094 dcl = dcl->next;
1096 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1099 static void nographic_update(void *opaque)
1101 uint64_t interval = GUI_REFRESH_INTERVAL;
1103 qemu_flush_coalesced_mmio_buffer();
1104 qemu_mod_timer(nographic_timer, interval + qemu_get_clock_ms(rt_clock));
1107 struct vm_change_state_entry {
1108 VMChangeStateHandler *cb;
1109 void *opaque;
1110 QLIST_ENTRY (vm_change_state_entry) entries;
1113 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1115 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1116 void *opaque)
1118 VMChangeStateEntry *e;
1120 e = qemu_mallocz(sizeof (*e));
1122 e->cb = cb;
1123 e->opaque = opaque;
1124 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1125 return e;
1128 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1130 QLIST_REMOVE (e, entries);
1131 qemu_free (e);
1134 void vm_state_notify(int running, int reason)
1136 VMChangeStateEntry *e;
1138 trace_vm_state_notify(running, reason);
1140 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1141 e->cb(e->opaque, running, reason);
1145 void vm_start(void)
1147 if (!vm_running) {
1148 cpu_enable_ticks();
1149 vm_running = 1;
1150 vm_state_notify(1, 0);
1151 resume_all_vcpus();
1152 monitor_protocol_event(QEVENT_RESUME, NULL);
1156 /* reset/shutdown handler */
1158 typedef struct QEMUResetEntry {
1159 QTAILQ_ENTRY(QEMUResetEntry) entry;
1160 QEMUResetHandler *func;
1161 void *opaque;
1162 } QEMUResetEntry;
1164 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1165 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1166 static int reset_requested;
1167 static int shutdown_requested, shutdown_signal = -1;
1168 static pid_t shutdown_pid;
1169 static int powerdown_requested;
1170 static int debug_requested;
1171 static int vmstop_requested;
1173 int qemu_shutdown_requested_get(void)
1175 return shutdown_requested;
1178 int qemu_reset_requested_get(void)
1180 return reset_requested;
1183 int qemu_shutdown_requested(void)
1185 int r = shutdown_requested;
1186 shutdown_requested = 0;
1187 return r;
1190 void qemu_kill_report(void)
1192 if (shutdown_signal != -1) {
1193 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1194 if (shutdown_pid == 0) {
1195 /* This happens for eg ^C at the terminal, so it's worth
1196 * avoiding printing an odd message in that case.
1198 fputc('\n', stderr);
1199 } else {
1200 fprintf(stderr, " from pid %d\n", shutdown_pid);
1202 shutdown_signal = -1;
1206 int qemu_reset_requested(void)
1208 int r = reset_requested;
1209 reset_requested = 0;
1210 return r;
1213 int qemu_powerdown_requested(void)
1215 int r = powerdown_requested;
1216 powerdown_requested = 0;
1217 return r;
1220 static int qemu_debug_requested(void)
1222 int r = debug_requested;
1223 debug_requested = 0;
1224 return r;
1227 static int qemu_vmstop_requested(void)
1229 int r = vmstop_requested;
1230 vmstop_requested = 0;
1231 return r;
1234 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1236 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1238 re->func = func;
1239 re->opaque = opaque;
1240 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1243 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1245 QEMUResetEntry *re;
1247 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1248 if (re->func == func && re->opaque == opaque) {
1249 QTAILQ_REMOVE(&reset_handlers, re, entry);
1250 qemu_free(re);
1251 return;
1256 void qemu_system_reset(void)
1258 QEMUResetEntry *re, *nre;
1260 /* reset all devices */
1261 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1262 re->func(re->opaque);
1264 monitor_protocol_event(QEVENT_RESET, NULL);
1265 cpu_synchronize_all_post_reset();
1268 void qemu_system_reset_request(void)
1270 if (no_reboot) {
1271 shutdown_requested = 1;
1272 } else {
1273 reset_requested = 1;
1275 cpu_stop_current();
1276 qemu_notify_event();
1279 void qemu_system_killed(int signal, pid_t pid)
1281 shutdown_signal = signal;
1282 shutdown_pid = pid;
1283 qemu_system_shutdown_request();
1286 void qemu_system_shutdown_request(void)
1288 shutdown_requested = 1;
1289 qemu_notify_event();
1292 void qemu_system_powerdown_request(void)
1294 powerdown_requested = 1;
1295 qemu_notify_event();
1298 void qemu_system_debug_request(void)
1300 debug_requested = 1;
1301 qemu_notify_event();
1304 void qemu_system_vmstop_request(int reason)
1306 vmstop_requested = reason;
1307 qemu_notify_event();
1310 void main_loop_wait(int nonblocking)
1312 fd_set rfds, wfds, xfds;
1313 int ret, nfds;
1314 struct timeval tv;
1315 int timeout;
1317 if (nonblocking)
1318 timeout = 0;
1319 else {
1320 timeout = qemu_calculate_timeout();
1321 qemu_bh_update_timeout(&timeout);
1324 os_host_main_loop_wait(&timeout);
1326 tv.tv_sec = timeout / 1000;
1327 tv.tv_usec = (timeout % 1000) * 1000;
1329 /* poll any events */
1330 /* XXX: separate device handlers from system ones */
1331 nfds = -1;
1332 FD_ZERO(&rfds);
1333 FD_ZERO(&wfds);
1334 FD_ZERO(&xfds);
1335 qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1336 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1338 qemu_mutex_unlock_iothread();
1339 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1340 qemu_mutex_lock_iothread();
1342 qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1343 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1345 qemu_run_all_timers();
1347 /* Check bottom-halves last in case any of the earlier events triggered
1348 them. */
1349 qemu_bh_poll();
1353 #ifndef CONFIG_IOTHREAD
1354 static int vm_request_pending(void)
1356 return powerdown_requested ||
1357 reset_requested ||
1358 shutdown_requested ||
1359 debug_requested ||
1360 vmstop_requested;
1362 #endif
1364 qemu_irq qemu_system_powerdown;
1366 static void main_loop(void)
1368 bool nonblocking = false;
1369 #ifdef CONFIG_PROFILER
1370 int64_t ti;
1371 #endif
1372 int r;
1374 qemu_main_loop_start();
1376 for (;;) {
1377 #ifndef CONFIG_IOTHREAD
1378 nonblocking = cpu_exec_all();
1379 if (vm_request_pending()) {
1380 nonblocking = true;
1382 #endif
1383 #ifdef CONFIG_PROFILER
1384 ti = profile_getclock();
1385 #endif
1386 main_loop_wait(nonblocking);
1387 #ifdef CONFIG_PROFILER
1388 dev_time += profile_getclock() - ti;
1389 #endif
1391 if (qemu_debug_requested()) {
1392 vm_stop(VMSTOP_DEBUG);
1394 if (qemu_shutdown_requested()) {
1395 qemu_kill_report();
1396 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1397 if (no_shutdown) {
1398 vm_stop(VMSTOP_SHUTDOWN);
1399 no_shutdown = 0;
1400 } else
1401 break;
1403 if (qemu_reset_requested()) {
1404 pause_all_vcpus();
1405 cpu_synchronize_all_states();
1406 qemu_system_reset();
1407 resume_all_vcpus();
1409 if (qemu_powerdown_requested()) {
1410 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1411 qemu_irq_raise(qemu_system_powerdown);
1413 if ((r = qemu_vmstop_requested())) {
1414 vm_stop(r);
1417 bdrv_close_all();
1418 pause_all_vcpus();
1421 static void version(void)
1423 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1426 static void help(int exitcode)
1428 const char *options_help =
1429 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1430 opt_help
1431 #define DEFHEADING(text) stringify(text) "\n"
1432 #include "qemu-options.def"
1433 #undef DEF
1434 #undef DEFHEADING
1435 #undef GEN_DOCS
1437 version();
1438 printf("usage: %s [options] [disk_image]\n"
1439 "\n"
1440 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1441 "\n"
1442 "%s\n"
1443 "During emulation, the following keys are useful:\n"
1444 "ctrl-alt-f toggle full screen\n"
1445 "ctrl-alt-n switch to virtual console 'n'\n"
1446 "ctrl-alt toggle mouse and keyboard grab\n"
1447 "\n"
1448 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1449 "qemu",
1450 options_help);
1451 exit(exitcode);
1454 #define HAS_ARG 0x0001
1456 typedef struct QEMUOption {
1457 const char *name;
1458 int flags;
1459 int index;
1460 uint32_t arch_mask;
1461 } QEMUOption;
1463 static const QEMUOption qemu_options[] = {
1464 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1465 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1466 { option, opt_arg, opt_enum, arch_mask },
1467 #define DEFHEADING(text)
1468 #include "qemu-options.def"
1469 #undef DEF
1470 #undef DEFHEADING
1471 #undef GEN_DOCS
1472 { NULL },
1474 static void select_vgahw (const char *p)
1476 const char *opts;
1478 default_vga = 0;
1479 vga_interface_type = VGA_NONE;
1480 if (strstart(p, "std", &opts)) {
1481 vga_interface_type = VGA_STD;
1482 } else if (strstart(p, "cirrus", &opts)) {
1483 vga_interface_type = VGA_CIRRUS;
1484 } else if (strstart(p, "vmware", &opts)) {
1485 vga_interface_type = VGA_VMWARE;
1486 } else if (strstart(p, "xenfb", &opts)) {
1487 vga_interface_type = VGA_XENFB;
1488 } else if (strstart(p, "qxl", &opts)) {
1489 vga_interface_type = VGA_QXL;
1490 } else if (!strstart(p, "none", &opts)) {
1491 invalid_vga:
1492 fprintf(stderr, "Unknown vga type: %s\n", p);
1493 exit(1);
1495 while (*opts) {
1496 const char *nextopt;
1498 if (strstart(opts, ",retrace=", &nextopt)) {
1499 opts = nextopt;
1500 if (strstart(opts, "dumb", &nextopt))
1501 vga_retrace_method = VGA_RETRACE_DUMB;
1502 else if (strstart(opts, "precise", &nextopt))
1503 vga_retrace_method = VGA_RETRACE_PRECISE;
1504 else goto invalid_vga;
1505 } else goto invalid_vga;
1506 opts = nextopt;
1510 static DisplayType select_display(const char *p)
1512 const char *opts;
1513 DisplayType display = DT_DEFAULT;
1515 if (strstart(p, "sdl", &opts)) {
1516 #ifdef CONFIG_SDL
1517 display = DT_SDL;
1518 while (*opts) {
1519 const char *nextopt;
1521 if (strstart(opts, ",frame=", &nextopt)) {
1522 opts = nextopt;
1523 if (strstart(opts, "on", &nextopt)) {
1524 no_frame = 0;
1525 } else if (strstart(opts, "off", &nextopt)) {
1526 no_frame = 1;
1527 } else {
1528 goto invalid_sdl_args;
1530 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1531 opts = nextopt;
1532 if (strstart(opts, "on", &nextopt)) {
1533 alt_grab = 1;
1534 } else if (strstart(opts, "off", &nextopt)) {
1535 alt_grab = 0;
1536 } else {
1537 goto invalid_sdl_args;
1539 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1540 opts = nextopt;
1541 if (strstart(opts, "on", &nextopt)) {
1542 ctrl_grab = 1;
1543 } else if (strstart(opts, "off", &nextopt)) {
1544 ctrl_grab = 0;
1545 } else {
1546 goto invalid_sdl_args;
1548 } else if (strstart(opts, ",window_close=", &nextopt)) {
1549 opts = nextopt;
1550 if (strstart(opts, "on", &nextopt)) {
1551 no_quit = 0;
1552 } else if (strstart(opts, "off", &nextopt)) {
1553 no_quit = 1;
1554 } else {
1555 goto invalid_sdl_args;
1557 } else {
1558 invalid_sdl_args:
1559 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1560 exit(1);
1562 opts = nextopt;
1564 #else
1565 fprintf(stderr, "SDL support is disabled\n");
1566 exit(1);
1567 #endif
1568 } else if (strstart(p, "vnc", &opts)) {
1569 #ifdef CONFIG_VNC
1570 display_remote++;
1572 if (*opts) {
1573 const char *nextopt;
1575 if (strstart(opts, "=", &nextopt)) {
1576 vnc_display = nextopt;
1579 if (!vnc_display) {
1580 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1581 exit(1);
1583 #else
1584 fprintf(stderr, "VNC support is disabled\n");
1585 exit(1);
1586 #endif
1587 } else if (strstart(p, "curses", &opts)) {
1588 #ifdef CONFIG_CURSES
1589 display = DT_CURSES;
1590 #else
1591 fprintf(stderr, "Curses support is disabled\n");
1592 exit(1);
1593 #endif
1594 } else if (strstart(p, "none", &opts)) {
1595 display = DT_NONE;
1596 } else {
1597 fprintf(stderr, "Unknown display type: %s\n", p);
1598 exit(1);
1601 return display;
1604 static int balloon_parse(const char *arg)
1606 QemuOpts *opts;
1608 if (strcmp(arg, "none") == 0) {
1609 return 0;
1612 if (!strncmp(arg, "virtio", 6)) {
1613 if (arg[6] == ',') {
1614 /* have params -> parse them */
1615 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1616 if (!opts)
1617 return -1;
1618 } else {
1619 /* create empty opts */
1620 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1622 qemu_opt_set(opts, "driver", "virtio-balloon");
1623 return 0;
1626 return -1;
1629 char *qemu_find_file(int type, const char *name)
1631 int len;
1632 const char *subdir;
1633 char *buf;
1635 /* If name contains path separators then try it as a straight path. */
1636 if ((strchr(name, '/') || strchr(name, '\\'))
1637 && access(name, R_OK) == 0) {
1638 return qemu_strdup(name);
1640 switch (type) {
1641 case QEMU_FILE_TYPE_BIOS:
1642 subdir = "";
1643 break;
1644 case QEMU_FILE_TYPE_KEYMAP:
1645 subdir = "keymaps/";
1646 break;
1647 default:
1648 abort();
1650 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1651 buf = qemu_mallocz(len);
1652 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1653 if (access(buf, R_OK)) {
1654 qemu_free(buf);
1655 return NULL;
1657 return buf;
1660 static int device_help_func(QemuOpts *opts, void *opaque)
1662 return qdev_device_help(opts);
1665 static int device_init_func(QemuOpts *opts, void *opaque)
1667 DeviceState *dev;
1669 dev = qdev_device_add(opts);
1670 if (!dev)
1671 return -1;
1672 return 0;
1675 static int chardev_init_func(QemuOpts *opts, void *opaque)
1677 CharDriverState *chr;
1679 chr = qemu_chr_open_opts(opts, NULL);
1680 if (!chr)
1681 return -1;
1682 return 0;
1685 #ifdef CONFIG_VIRTFS
1686 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1688 int ret;
1689 ret = qemu_fsdev_add(opts);
1691 return ret;
1693 #endif
1695 static int mon_init_func(QemuOpts *opts, void *opaque)
1697 CharDriverState *chr;
1698 const char *chardev;
1699 const char *mode;
1700 int flags;
1702 mode = qemu_opt_get(opts, "mode");
1703 if (mode == NULL) {
1704 mode = "readline";
1706 if (strcmp(mode, "readline") == 0) {
1707 flags = MONITOR_USE_READLINE;
1708 } else if (strcmp(mode, "control") == 0) {
1709 flags = MONITOR_USE_CONTROL;
1710 } else {
1711 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1712 exit(1);
1715 if (qemu_opt_get_bool(opts, "pretty", 0))
1716 flags |= MONITOR_USE_PRETTY;
1718 if (qemu_opt_get_bool(opts, "default", 0))
1719 flags |= MONITOR_IS_DEFAULT;
1721 chardev = qemu_opt_get(opts, "chardev");
1722 chr = qemu_chr_find(chardev);
1723 if (chr == NULL) {
1724 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1725 exit(1);
1728 monitor_init(chr, flags);
1729 return 0;
1732 static void monitor_parse(const char *optarg, const char *mode)
1734 static int monitor_device_index = 0;
1735 QemuOpts *opts;
1736 const char *p;
1737 char label[32];
1738 int def = 0;
1740 if (strstart(optarg, "chardev:", &p)) {
1741 snprintf(label, sizeof(label), "%s", p);
1742 } else {
1743 snprintf(label, sizeof(label), "compat_monitor%d",
1744 monitor_device_index);
1745 if (monitor_device_index == 0) {
1746 def = 1;
1748 opts = qemu_chr_parse_compat(label, optarg);
1749 if (!opts) {
1750 fprintf(stderr, "parse error: %s\n", optarg);
1751 exit(1);
1755 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1756 if (!opts) {
1757 fprintf(stderr, "duplicate chardev: %s\n", label);
1758 exit(1);
1760 qemu_opt_set(opts, "mode", mode);
1761 qemu_opt_set(opts, "chardev", label);
1762 if (def)
1763 qemu_opt_set(opts, "default", "on");
1764 monitor_device_index++;
1767 struct device_config {
1768 enum {
1769 DEV_USB, /* -usbdevice */
1770 DEV_BT, /* -bt */
1771 DEV_SERIAL, /* -serial */
1772 DEV_PARALLEL, /* -parallel */
1773 DEV_VIRTCON, /* -virtioconsole */
1774 DEV_DEBUGCON, /* -debugcon */
1775 } type;
1776 const char *cmdline;
1777 QTAILQ_ENTRY(device_config) next;
1779 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1781 static void add_device_config(int type, const char *cmdline)
1783 struct device_config *conf;
1785 conf = qemu_mallocz(sizeof(*conf));
1786 conf->type = type;
1787 conf->cmdline = cmdline;
1788 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1791 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1793 struct device_config *conf;
1794 int rc;
1796 QTAILQ_FOREACH(conf, &device_configs, next) {
1797 if (conf->type != type)
1798 continue;
1799 rc = func(conf->cmdline);
1800 if (0 != rc)
1801 return rc;
1803 return 0;
1806 static int serial_parse(const char *devname)
1808 static int index = 0;
1809 char label[32];
1811 if (strcmp(devname, "none") == 0)
1812 return 0;
1813 if (index == MAX_SERIAL_PORTS) {
1814 fprintf(stderr, "qemu: too many serial ports\n");
1815 exit(1);
1817 snprintf(label, sizeof(label), "serial%d", index);
1818 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1819 if (!serial_hds[index]) {
1820 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1821 devname, strerror(errno));
1822 return -1;
1824 index++;
1825 return 0;
1828 static int parallel_parse(const char *devname)
1830 static int index = 0;
1831 char label[32];
1833 if (strcmp(devname, "none") == 0)
1834 return 0;
1835 if (index == MAX_PARALLEL_PORTS) {
1836 fprintf(stderr, "qemu: too many parallel ports\n");
1837 exit(1);
1839 snprintf(label, sizeof(label), "parallel%d", index);
1840 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1841 if (!parallel_hds[index]) {
1842 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1843 devname, strerror(errno));
1844 return -1;
1846 index++;
1847 return 0;
1850 static int virtcon_parse(const char *devname)
1852 QemuOptsList *device = qemu_find_opts("device");
1853 static int index = 0;
1854 char label[32];
1855 QemuOpts *bus_opts, *dev_opts;
1857 if (strcmp(devname, "none") == 0)
1858 return 0;
1859 if (index == MAX_VIRTIO_CONSOLES) {
1860 fprintf(stderr, "qemu: too many virtio consoles\n");
1861 exit(1);
1864 bus_opts = qemu_opts_create(device, NULL, 0);
1865 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1867 dev_opts = qemu_opts_create(device, NULL, 0);
1868 qemu_opt_set(dev_opts, "driver", "virtconsole");
1870 snprintf(label, sizeof(label), "virtcon%d", index);
1871 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1872 if (!virtcon_hds[index]) {
1873 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1874 devname, strerror(errno));
1875 return -1;
1877 qemu_opt_set(dev_opts, "chardev", label);
1879 index++;
1880 return 0;
1883 static int debugcon_parse(const char *devname)
1885 QemuOpts *opts;
1887 if (!qemu_chr_open("debugcon", devname, NULL)) {
1888 exit(1);
1890 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1891 if (!opts) {
1892 fprintf(stderr, "qemu: already have a debugcon device\n");
1893 exit(1);
1895 qemu_opt_set(opts, "driver", "isa-debugcon");
1896 qemu_opt_set(opts, "chardev", "debugcon");
1897 return 0;
1900 static int tcg_init(void)
1902 return 0;
1905 static struct {
1906 const char *opt_name;
1907 const char *name;
1908 int (*available)(void);
1909 int (*init)(void);
1910 int *allowed;
1911 } accel_list[] = {
1912 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
1913 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
1914 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
1917 static int configure_accelerator(void)
1919 const char *p = NULL;
1920 char buf[10];
1921 int i, ret;
1922 bool accel_initalised = 0;
1923 bool init_failed = 0;
1925 QemuOptsList *list = qemu_find_opts("machine");
1926 if (!QTAILQ_EMPTY(&list->head)) {
1927 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
1930 if (p == NULL) {
1931 /* Use the default "accelerator", tcg */
1932 p = "tcg";
1935 while (!accel_initalised && *p != '\0') {
1936 if (*p == ':') {
1937 p++;
1939 p = get_opt_name(buf, sizeof (buf), p, ':');
1940 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
1941 if (strcmp(accel_list[i].opt_name, buf) == 0) {
1942 *(accel_list[i].allowed) = 1;
1943 ret = accel_list[i].init();
1944 if (ret < 0) {
1945 init_failed = 1;
1946 if (!accel_list[i].available()) {
1947 printf("%s not supported for this target\n",
1948 accel_list[i].name);
1949 } else {
1950 fprintf(stderr, "failed to initialize %s: %s\n",
1951 accel_list[i].name,
1952 strerror(-ret));
1954 *(accel_list[i].allowed) = 0;
1955 } else {
1956 accel_initalised = 1;
1958 break;
1961 if (i == ARRAY_SIZE(accel_list)) {
1962 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
1966 if (!accel_initalised) {
1967 fprintf(stderr, "No accelerator found!\n");
1968 exit(1);
1971 if (init_failed) {
1972 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
1975 return !accel_initalised;
1978 void qemu_add_exit_notifier(Notifier *notify)
1980 notifier_list_add(&exit_notifiers, notify);
1983 void qemu_remove_exit_notifier(Notifier *notify)
1985 notifier_list_remove(&exit_notifiers, notify);
1988 static void qemu_run_exit_notifiers(void)
1990 notifier_list_notify(&exit_notifiers);
1993 void qemu_add_machine_init_done_notifier(Notifier *notify)
1995 notifier_list_add(&machine_init_done_notifiers, notify);
1998 static void qemu_run_machine_init_done_notifiers(void)
2000 notifier_list_notify(&machine_init_done_notifiers);
2003 static const QEMUOption *lookup_opt(int argc, char **argv,
2004 const char **poptarg, int *poptind)
2006 const QEMUOption *popt;
2007 int optind = *poptind;
2008 char *r = argv[optind];
2009 const char *optarg;
2011 loc_set_cmdline(argv, optind, 1);
2012 optind++;
2013 /* Treat --foo the same as -foo. */
2014 if (r[1] == '-')
2015 r++;
2016 popt = qemu_options;
2017 for(;;) {
2018 if (!popt->name) {
2019 error_report("invalid option");
2020 exit(1);
2022 if (!strcmp(popt->name, r + 1))
2023 break;
2024 popt++;
2026 if (popt->flags & HAS_ARG) {
2027 if (optind >= argc) {
2028 error_report("requires an argument");
2029 exit(1);
2031 optarg = argv[optind++];
2032 loc_set_cmdline(argv, optind - 2, 2);
2033 } else {
2034 optarg = NULL;
2037 *poptarg = optarg;
2038 *poptind = optind;
2040 return popt;
2043 int main(int argc, char **argv, char **envp)
2045 const char *gdbstub_dev = NULL;
2046 int i;
2047 int snapshot, linux_boot;
2048 const char *icount_option = NULL;
2049 const char *initrd_filename;
2050 const char *kernel_filename, *kernel_cmdline;
2051 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2052 DisplayState *ds;
2053 DisplayChangeListener *dcl;
2054 int cyls, heads, secs, translation;
2055 QemuOpts *hda_opts = NULL, *opts;
2056 QemuOptsList *olist;
2057 int optind;
2058 const char *optarg;
2059 const char *loadvm = NULL;
2060 QEMUMachine *machine;
2061 const char *cpu_model;
2062 int tb_size;
2063 const char *pid_file = NULL;
2064 const char *incoming = NULL;
2065 #ifdef CONFIG_VNC
2066 int show_vnc_port = 0;
2067 #endif
2068 int defconfig = 1;
2069 const char *trace_file = NULL;
2071 atexit(qemu_run_exit_notifiers);
2072 error_set_progname(argv[0]);
2074 init_clocks();
2076 qemu_cache_utils_init(envp);
2078 QLIST_INIT (&vm_change_state_head);
2079 os_setup_early_signal_handling();
2081 module_call_init(MODULE_INIT_MACHINE);
2082 machine = find_default_machine();
2083 cpu_model = NULL;
2084 initrd_filename = NULL;
2085 ram_size = 0;
2086 snapshot = 0;
2087 kernel_filename = NULL;
2088 kernel_cmdline = "";
2089 cyls = heads = secs = 0;
2090 translation = BIOS_ATA_TRANSLATION_AUTO;
2092 for (i = 0; i < MAX_NODES; i++) {
2093 node_mem[i] = 0;
2094 node_cpumask[i] = 0;
2097 nb_numa_nodes = 0;
2098 nb_nics = 0;
2100 tb_size = 0;
2101 autostart= 1;
2103 /* first pass of option parsing */
2104 optind = 1;
2105 while (optind < argc) {
2106 if (argv[optind][0] != '-') {
2107 /* disk image */
2108 optind++;
2109 continue;
2110 } else {
2111 const QEMUOption *popt;
2113 popt = lookup_opt(argc, argv, &optarg, &optind);
2114 switch (popt->index) {
2115 case QEMU_OPTION_nodefconfig:
2116 defconfig=0;
2117 break;
2122 if (defconfig) {
2123 int ret;
2125 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2126 if (ret < 0 && ret != -ENOENT) {
2127 exit(1);
2130 ret = qemu_read_config_file(arch_config_name);
2131 if (ret < 0 && ret != -ENOENT) {
2132 exit(1);
2135 cpudef_init();
2137 /* second pass of option parsing */
2138 optind = 1;
2139 for(;;) {
2140 if (optind >= argc)
2141 break;
2142 if (argv[optind][0] != '-') {
2143 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2144 } else {
2145 const QEMUOption *popt;
2147 popt = lookup_opt(argc, argv, &optarg, &optind);
2148 if (!(popt->arch_mask & arch_type)) {
2149 printf("Option %s not supported for this target\n", popt->name);
2150 exit(1);
2152 switch(popt->index) {
2153 case QEMU_OPTION_M:
2154 machine = find_machine(optarg);
2155 if (!machine) {
2156 QEMUMachine *m;
2157 printf("Supported machines are:\n");
2158 for(m = first_machine; m != NULL; m = m->next) {
2159 if (m->alias)
2160 printf("%-10s %s (alias of %s)\n",
2161 m->alias, m->desc, m->name);
2162 printf("%-10s %s%s\n",
2163 m->name, m->desc,
2164 m->is_default ? " (default)" : "");
2166 exit(*optarg != '?');
2168 break;
2169 case QEMU_OPTION_cpu:
2170 /* hw initialization will check this */
2171 if (*optarg == '?') {
2172 list_cpus(stdout, &fprintf, optarg);
2173 exit(0);
2174 } else {
2175 cpu_model = optarg;
2177 break;
2178 case QEMU_OPTION_initrd:
2179 initrd_filename = optarg;
2180 break;
2181 case QEMU_OPTION_hda:
2183 char buf[256];
2184 if (cyls == 0)
2185 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2186 else
2187 snprintf(buf, sizeof(buf),
2188 "%s,cyls=%d,heads=%d,secs=%d%s",
2189 HD_OPTS , cyls, heads, secs,
2190 translation == BIOS_ATA_TRANSLATION_LBA ?
2191 ",trans=lba" :
2192 translation == BIOS_ATA_TRANSLATION_NONE ?
2193 ",trans=none" : "");
2194 drive_add(IF_DEFAULT, 0, optarg, buf);
2195 break;
2197 case QEMU_OPTION_hdb:
2198 case QEMU_OPTION_hdc:
2199 case QEMU_OPTION_hdd:
2200 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2201 HD_OPTS);
2202 break;
2203 case QEMU_OPTION_drive:
2204 if (drive_def(optarg) == NULL) {
2205 exit(1);
2207 break;
2208 case QEMU_OPTION_set:
2209 if (qemu_set_option(optarg) != 0)
2210 exit(1);
2211 break;
2212 case QEMU_OPTION_global:
2213 if (qemu_global_option(optarg) != 0)
2214 exit(1);
2215 break;
2216 case QEMU_OPTION_mtdblock:
2217 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2218 break;
2219 case QEMU_OPTION_sd:
2220 drive_add(IF_SD, 0, optarg, SD_OPTS);
2221 break;
2222 case QEMU_OPTION_pflash:
2223 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2224 break;
2225 case QEMU_OPTION_snapshot:
2226 snapshot = 1;
2227 break;
2228 case QEMU_OPTION_hdachs:
2230 const char *p;
2231 p = optarg;
2232 cyls = strtol(p, (char **)&p, 0);
2233 if (cyls < 1 || cyls > 16383)
2234 goto chs_fail;
2235 if (*p != ',')
2236 goto chs_fail;
2237 p++;
2238 heads = strtol(p, (char **)&p, 0);
2239 if (heads < 1 || heads > 16)
2240 goto chs_fail;
2241 if (*p != ',')
2242 goto chs_fail;
2243 p++;
2244 secs = strtol(p, (char **)&p, 0);
2245 if (secs < 1 || secs > 63)
2246 goto chs_fail;
2247 if (*p == ',') {
2248 p++;
2249 if (!strcmp(p, "none"))
2250 translation = BIOS_ATA_TRANSLATION_NONE;
2251 else if (!strcmp(p, "lba"))
2252 translation = BIOS_ATA_TRANSLATION_LBA;
2253 else if (!strcmp(p, "auto"))
2254 translation = BIOS_ATA_TRANSLATION_AUTO;
2255 else
2256 goto chs_fail;
2257 } else if (*p != '\0') {
2258 chs_fail:
2259 fprintf(stderr, "qemu: invalid physical CHS format\n");
2260 exit(1);
2262 if (hda_opts != NULL) {
2263 char num[16];
2264 snprintf(num, sizeof(num), "%d", cyls);
2265 qemu_opt_set(hda_opts, "cyls", num);
2266 snprintf(num, sizeof(num), "%d", heads);
2267 qemu_opt_set(hda_opts, "heads", num);
2268 snprintf(num, sizeof(num), "%d", secs);
2269 qemu_opt_set(hda_opts, "secs", num);
2270 if (translation == BIOS_ATA_TRANSLATION_LBA)
2271 qemu_opt_set(hda_opts, "trans", "lba");
2272 if (translation == BIOS_ATA_TRANSLATION_NONE)
2273 qemu_opt_set(hda_opts, "trans", "none");
2276 break;
2277 case QEMU_OPTION_numa:
2278 if (nb_numa_nodes >= MAX_NODES) {
2279 fprintf(stderr, "qemu: too many NUMA nodes\n");
2280 exit(1);
2282 numa_add(optarg);
2283 break;
2284 case QEMU_OPTION_display:
2285 display_type = select_display(optarg);
2286 break;
2287 case QEMU_OPTION_nographic:
2288 display_type = DT_NOGRAPHIC;
2289 break;
2290 case QEMU_OPTION_curses:
2291 #ifdef CONFIG_CURSES
2292 display_type = DT_CURSES;
2293 #else
2294 fprintf(stderr, "Curses support is disabled\n");
2295 exit(1);
2296 #endif
2297 break;
2298 case QEMU_OPTION_portrait:
2299 graphic_rotate = 1;
2300 break;
2301 case QEMU_OPTION_kernel:
2302 kernel_filename = optarg;
2303 break;
2304 case QEMU_OPTION_append:
2305 kernel_cmdline = optarg;
2306 break;
2307 case QEMU_OPTION_cdrom:
2308 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2309 break;
2310 case QEMU_OPTION_boot:
2312 static const char * const params[] = {
2313 "order", "once", "menu", NULL
2315 char buf[sizeof(boot_devices)];
2316 char *standard_boot_devices;
2317 int legacy = 0;
2319 if (!strchr(optarg, '=')) {
2320 legacy = 1;
2321 pstrcpy(buf, sizeof(buf), optarg);
2322 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2323 fprintf(stderr,
2324 "qemu: unknown boot parameter '%s' in '%s'\n",
2325 buf, optarg);
2326 exit(1);
2329 if (legacy ||
2330 get_param_value(buf, sizeof(buf), "order", optarg)) {
2331 validate_bootdevices(buf);
2332 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2334 if (!legacy) {
2335 if (get_param_value(buf, sizeof(buf),
2336 "once", optarg)) {
2337 validate_bootdevices(buf);
2338 standard_boot_devices = qemu_strdup(boot_devices);
2339 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2340 qemu_register_reset(restore_boot_devices,
2341 standard_boot_devices);
2343 if (get_param_value(buf, sizeof(buf),
2344 "menu", optarg)) {
2345 if (!strcmp(buf, "on")) {
2346 boot_menu = 1;
2347 } else if (!strcmp(buf, "off")) {
2348 boot_menu = 0;
2349 } else {
2350 fprintf(stderr,
2351 "qemu: invalid option value '%s'\n",
2352 buf);
2353 exit(1);
2358 break;
2359 case QEMU_OPTION_fda:
2360 case QEMU_OPTION_fdb:
2361 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2362 optarg, FD_OPTS);
2363 break;
2364 case QEMU_OPTION_no_fd_bootchk:
2365 fd_bootchk = 0;
2366 break;
2367 case QEMU_OPTION_netdev:
2368 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2369 exit(1);
2371 break;
2372 case QEMU_OPTION_net:
2373 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2374 exit(1);
2376 break;
2377 #ifdef CONFIG_SLIRP
2378 case QEMU_OPTION_tftp:
2379 legacy_tftp_prefix = optarg;
2380 break;
2381 case QEMU_OPTION_bootp:
2382 legacy_bootp_filename = optarg;
2383 break;
2384 case QEMU_OPTION_redir:
2385 if (net_slirp_redir(optarg) < 0)
2386 exit(1);
2387 break;
2388 #endif
2389 case QEMU_OPTION_bt:
2390 add_device_config(DEV_BT, optarg);
2391 break;
2392 case QEMU_OPTION_audio_help:
2393 if (!(audio_available())) {
2394 printf("Option %s not supported for this target\n", popt->name);
2395 exit(1);
2397 AUD_help ();
2398 exit (0);
2399 break;
2400 case QEMU_OPTION_soundhw:
2401 if (!(audio_available())) {
2402 printf("Option %s not supported for this target\n", popt->name);
2403 exit(1);
2405 select_soundhw (optarg);
2406 break;
2407 case QEMU_OPTION_h:
2408 help(0);
2409 break;
2410 case QEMU_OPTION_version:
2411 version();
2412 exit(0);
2413 break;
2414 case QEMU_OPTION_m: {
2415 int64_t value;
2417 value = strtosz(optarg, NULL);
2418 if (value < 0) {
2419 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2420 exit(1);
2423 /* On 32-bit hosts, QEMU is limited by virtual address space */
2424 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2425 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2426 exit(1);
2428 if (value != (uint64_t)(ram_addr_t)value) {
2429 fprintf(stderr, "qemu: ram size too large\n");
2430 exit(1);
2432 ram_size = value;
2433 break;
2435 case QEMU_OPTION_mempath:
2436 mem_path = optarg;
2437 break;
2438 #ifdef MAP_POPULATE
2439 case QEMU_OPTION_mem_prealloc:
2440 mem_prealloc = 1;
2441 break;
2442 #endif
2443 case QEMU_OPTION_d:
2444 set_cpu_log(optarg);
2445 break;
2446 case QEMU_OPTION_s:
2447 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2448 break;
2449 case QEMU_OPTION_gdb:
2450 gdbstub_dev = optarg;
2451 break;
2452 case QEMU_OPTION_L:
2453 data_dir = optarg;
2454 break;
2455 case QEMU_OPTION_bios:
2456 bios_name = optarg;
2457 break;
2458 case QEMU_OPTION_singlestep:
2459 singlestep = 1;
2460 break;
2461 case QEMU_OPTION_S:
2462 autostart = 0;
2463 break;
2464 case QEMU_OPTION_k:
2465 keyboard_layout = optarg;
2466 break;
2467 case QEMU_OPTION_localtime:
2468 rtc_utc = 0;
2469 break;
2470 case QEMU_OPTION_vga:
2471 select_vgahw (optarg);
2472 break;
2473 case QEMU_OPTION_g:
2475 const char *p;
2476 int w, h, depth;
2477 p = optarg;
2478 w = strtol(p, (char **)&p, 10);
2479 if (w <= 0) {
2480 graphic_error:
2481 fprintf(stderr, "qemu: invalid resolution or depth\n");
2482 exit(1);
2484 if (*p != 'x')
2485 goto graphic_error;
2486 p++;
2487 h = strtol(p, (char **)&p, 10);
2488 if (h <= 0)
2489 goto graphic_error;
2490 if (*p == 'x') {
2491 p++;
2492 depth = strtol(p, (char **)&p, 10);
2493 if (depth != 8 && depth != 15 && depth != 16 &&
2494 depth != 24 && depth != 32)
2495 goto graphic_error;
2496 } else if (*p == '\0') {
2497 depth = graphic_depth;
2498 } else {
2499 goto graphic_error;
2502 graphic_width = w;
2503 graphic_height = h;
2504 graphic_depth = depth;
2506 break;
2507 case QEMU_OPTION_echr:
2509 char *r;
2510 term_escape_char = strtol(optarg, &r, 0);
2511 if (r == optarg)
2512 printf("Bad argument to echr\n");
2513 break;
2515 case QEMU_OPTION_monitor:
2516 monitor_parse(optarg, "readline");
2517 default_monitor = 0;
2518 break;
2519 case QEMU_OPTION_qmp:
2520 monitor_parse(optarg, "control");
2521 default_monitor = 0;
2522 break;
2523 case QEMU_OPTION_mon:
2524 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2525 if (!opts) {
2526 exit(1);
2528 default_monitor = 0;
2529 break;
2530 case QEMU_OPTION_chardev:
2531 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2532 if (!opts) {
2533 exit(1);
2535 break;
2536 case QEMU_OPTION_fsdev:
2537 olist = qemu_find_opts("fsdev");
2538 if (!olist) {
2539 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2540 exit(1);
2542 opts = qemu_opts_parse(olist, optarg, 1);
2543 if (!opts) {
2544 fprintf(stderr, "parse error: %s\n", optarg);
2545 exit(1);
2547 break;
2548 case QEMU_OPTION_virtfs: {
2549 QemuOpts *fsdev;
2550 QemuOpts *device;
2552 olist = qemu_find_opts("virtfs");
2553 if (!olist) {
2554 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2555 exit(1);
2557 opts = qemu_opts_parse(olist, optarg, 1);
2558 if (!opts) {
2559 fprintf(stderr, "parse error: %s\n", optarg);
2560 exit(1);
2563 if (qemu_opt_get(opts, "fstype") == NULL ||
2564 qemu_opt_get(opts, "mount_tag") == NULL ||
2565 qemu_opt_get(opts, "path") == NULL ||
2566 qemu_opt_get(opts, "security_model") == NULL) {
2567 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2568 "security_model=[mapped|passthrough|none],"
2569 "mount_tag=tag.\n");
2570 exit(1);
2573 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2574 qemu_opt_get(opts, "mount_tag"), 1);
2575 if (!fsdev) {
2576 fprintf(stderr, "duplicate fsdev id: %s\n",
2577 qemu_opt_get(opts, "mount_tag"));
2578 exit(1);
2580 qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype"));
2581 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2582 qemu_opt_set(fsdev, "security_model",
2583 qemu_opt_get(opts, "security_model"));
2585 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2586 qemu_opt_set(device, "driver", "virtio-9p-pci");
2587 qemu_opt_set(device, "fsdev",
2588 qemu_opt_get(opts, "mount_tag"));
2589 qemu_opt_set(device, "mount_tag",
2590 qemu_opt_get(opts, "mount_tag"));
2591 break;
2593 case QEMU_OPTION_serial:
2594 add_device_config(DEV_SERIAL, optarg);
2595 default_serial = 0;
2596 if (strncmp(optarg, "mon:", 4) == 0) {
2597 default_monitor = 0;
2599 break;
2600 case QEMU_OPTION_watchdog:
2601 if (watchdog) {
2602 fprintf(stderr,
2603 "qemu: only one watchdog option may be given\n");
2604 return 1;
2606 watchdog = optarg;
2607 break;
2608 case QEMU_OPTION_watchdog_action:
2609 if (select_watchdog_action(optarg) == -1) {
2610 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2611 exit(1);
2613 break;
2614 case QEMU_OPTION_virtiocon:
2615 add_device_config(DEV_VIRTCON, optarg);
2616 default_virtcon = 0;
2617 if (strncmp(optarg, "mon:", 4) == 0) {
2618 default_monitor = 0;
2620 break;
2621 case QEMU_OPTION_parallel:
2622 add_device_config(DEV_PARALLEL, optarg);
2623 default_parallel = 0;
2624 if (strncmp(optarg, "mon:", 4) == 0) {
2625 default_monitor = 0;
2627 break;
2628 case QEMU_OPTION_debugcon:
2629 add_device_config(DEV_DEBUGCON, optarg);
2630 break;
2631 case QEMU_OPTION_loadvm:
2632 loadvm = optarg;
2633 break;
2634 case QEMU_OPTION_full_screen:
2635 full_screen = 1;
2636 break;
2637 #ifdef CONFIG_SDL
2638 case QEMU_OPTION_no_frame:
2639 no_frame = 1;
2640 break;
2641 case QEMU_OPTION_alt_grab:
2642 alt_grab = 1;
2643 break;
2644 case QEMU_OPTION_ctrl_grab:
2645 ctrl_grab = 1;
2646 break;
2647 case QEMU_OPTION_no_quit:
2648 no_quit = 1;
2649 break;
2650 case QEMU_OPTION_sdl:
2651 display_type = DT_SDL;
2652 break;
2653 #else
2654 case QEMU_OPTION_no_frame:
2655 case QEMU_OPTION_alt_grab:
2656 case QEMU_OPTION_ctrl_grab:
2657 case QEMU_OPTION_no_quit:
2658 case QEMU_OPTION_sdl:
2659 fprintf(stderr, "SDL support is disabled\n");
2660 exit(1);
2661 #endif
2662 case QEMU_OPTION_pidfile:
2663 pid_file = optarg;
2664 break;
2665 case QEMU_OPTION_win2k_hack:
2666 win2k_install_hack = 1;
2667 break;
2668 case QEMU_OPTION_rtc_td_hack:
2669 rtc_td_hack = 1;
2670 break;
2671 case QEMU_OPTION_acpitable:
2672 do_acpitable_option(optarg);
2673 break;
2674 case QEMU_OPTION_smbios:
2675 do_smbios_option(optarg);
2676 break;
2677 case QEMU_OPTION_enable_kvm:
2678 olist = qemu_find_opts("machine");
2679 qemu_opts_reset(olist);
2680 qemu_opts_parse(olist, "accel=kvm", 0);
2681 break;
2682 case QEMU_OPTION_machine:
2683 olist = qemu_find_opts("machine");
2684 qemu_opts_reset(olist);
2685 opts = qemu_opts_parse(olist, optarg, 0);
2686 if (!opts) {
2687 fprintf(stderr, "parse error: %s\n", optarg);
2688 exit(1);
2690 break;
2691 case QEMU_OPTION_usb:
2692 usb_enabled = 1;
2693 break;
2694 case QEMU_OPTION_usbdevice:
2695 usb_enabled = 1;
2696 add_device_config(DEV_USB, optarg);
2697 break;
2698 case QEMU_OPTION_device:
2699 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2700 exit(1);
2702 break;
2703 case QEMU_OPTION_smp:
2704 smp_parse(optarg);
2705 if (smp_cpus < 1) {
2706 fprintf(stderr, "Invalid number of CPUs\n");
2707 exit(1);
2709 if (max_cpus < smp_cpus) {
2710 fprintf(stderr, "maxcpus must be equal to or greater than "
2711 "smp\n");
2712 exit(1);
2714 if (max_cpus > 255) {
2715 fprintf(stderr, "Unsupported number of maxcpus\n");
2716 exit(1);
2718 break;
2719 case QEMU_OPTION_vnc:
2720 #ifdef CONFIG_VNC
2721 display_remote++;
2722 vnc_display = optarg;
2723 #else
2724 fprintf(stderr, "VNC support is disabled\n");
2725 exit(1);
2726 #endif
2727 break;
2728 case QEMU_OPTION_no_acpi:
2729 acpi_enabled = 0;
2730 break;
2731 case QEMU_OPTION_no_hpet:
2732 no_hpet = 1;
2733 break;
2734 case QEMU_OPTION_balloon:
2735 if (balloon_parse(optarg) < 0) {
2736 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2737 exit(1);
2739 break;
2740 case QEMU_OPTION_no_reboot:
2741 no_reboot = 1;
2742 break;
2743 case QEMU_OPTION_no_shutdown:
2744 no_shutdown = 1;
2745 break;
2746 case QEMU_OPTION_show_cursor:
2747 cursor_hide = 0;
2748 break;
2749 case QEMU_OPTION_uuid:
2750 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2751 fprintf(stderr, "Fail to parse UUID string."
2752 " Wrong format.\n");
2753 exit(1);
2755 break;
2756 case QEMU_OPTION_option_rom:
2757 if (nb_option_roms >= MAX_OPTION_ROMS) {
2758 fprintf(stderr, "Too many option ROMs\n");
2759 exit(1);
2761 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2762 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2763 option_rom[nb_option_roms].bootindex =
2764 qemu_opt_get_number(opts, "bootindex", -1);
2765 if (!option_rom[nb_option_roms].name) {
2766 fprintf(stderr, "Option ROM file is not specified\n");
2767 exit(1);
2769 nb_option_roms++;
2770 break;
2771 case QEMU_OPTION_semihosting:
2772 semihosting_enabled = 1;
2773 break;
2774 case QEMU_OPTION_name:
2775 qemu_name = qemu_strdup(optarg);
2777 char *p = strchr(qemu_name, ',');
2778 if (p != NULL) {
2779 *p++ = 0;
2780 if (strncmp(p, "process=", 8)) {
2781 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2782 exit(1);
2784 p += 8;
2785 os_set_proc_name(p);
2788 break;
2789 case QEMU_OPTION_prom_env:
2790 if (nb_prom_envs >= MAX_PROM_ENVS) {
2791 fprintf(stderr, "Too many prom variables\n");
2792 exit(1);
2794 prom_envs[nb_prom_envs] = optarg;
2795 nb_prom_envs++;
2796 break;
2797 case QEMU_OPTION_old_param:
2798 old_param = 1;
2799 break;
2800 case QEMU_OPTION_clock:
2801 configure_alarms(optarg);
2802 break;
2803 case QEMU_OPTION_startdate:
2804 configure_rtc_date_offset(optarg, 1);
2805 break;
2806 case QEMU_OPTION_rtc:
2807 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2808 if (!opts) {
2809 exit(1);
2811 configure_rtc(opts);
2812 break;
2813 case QEMU_OPTION_tb_size:
2814 tb_size = strtol(optarg, NULL, 0);
2815 if (tb_size < 0)
2816 tb_size = 0;
2817 break;
2818 case QEMU_OPTION_icount:
2819 icount_option = optarg;
2820 break;
2821 case QEMU_OPTION_incoming:
2822 incoming = optarg;
2823 incoming_expected = true;
2824 break;
2825 case QEMU_OPTION_nodefaults:
2826 default_serial = 0;
2827 default_parallel = 0;
2828 default_virtcon = 0;
2829 default_monitor = 0;
2830 default_vga = 0;
2831 default_net = 0;
2832 default_floppy = 0;
2833 default_cdrom = 0;
2834 default_sdcard = 0;
2835 break;
2836 case QEMU_OPTION_xen_domid:
2837 if (!(xen_available())) {
2838 printf("Option %s not supported for this target\n", popt->name);
2839 exit(1);
2841 xen_domid = atoi(optarg);
2842 break;
2843 case QEMU_OPTION_xen_create:
2844 if (!(xen_available())) {
2845 printf("Option %s not supported for this target\n", popt->name);
2846 exit(1);
2848 xen_mode = XEN_CREATE;
2849 break;
2850 case QEMU_OPTION_xen_attach:
2851 if (!(xen_available())) {
2852 printf("Option %s not supported for this target\n", popt->name);
2853 exit(1);
2855 xen_mode = XEN_ATTACH;
2856 break;
2857 #ifdef CONFIG_SIMPLE_TRACE
2858 case QEMU_OPTION_trace:
2859 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2860 if (opts) {
2861 trace_file = qemu_opt_get(opts, "file");
2863 break;
2864 #endif
2865 case QEMU_OPTION_readconfig:
2867 int ret = qemu_read_config_file(optarg);
2868 if (ret < 0) {
2869 fprintf(stderr, "read config %s: %s\n", optarg,
2870 strerror(-ret));
2871 exit(1);
2873 break;
2875 case QEMU_OPTION_spice:
2876 olist = qemu_find_opts("spice");
2877 if (!olist) {
2878 fprintf(stderr, "spice is not supported by this qemu build.\n");
2879 exit(1);
2881 opts = qemu_opts_parse(olist, optarg, 0);
2882 if (!opts) {
2883 fprintf(stderr, "parse error: %s\n", optarg);
2884 exit(1);
2886 break;
2887 case QEMU_OPTION_writeconfig:
2889 FILE *fp;
2890 if (strcmp(optarg, "-") == 0) {
2891 fp = stdout;
2892 } else {
2893 fp = fopen(optarg, "w");
2894 if (fp == NULL) {
2895 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2896 exit(1);
2899 qemu_config_write(fp);
2900 fclose(fp);
2901 break;
2903 default:
2904 os_parse_cmd_args(popt->index, optarg);
2908 loc_set_none();
2910 if (!st_init(trace_file)) {
2911 fprintf(stderr, "warning: unable to initialize simple trace backend\n");
2914 /* If no data_dir is specified then try to find it relative to the
2915 executable path. */
2916 if (!data_dir) {
2917 data_dir = os_find_datadir(argv[0]);
2919 /* If all else fails use the install patch specified when building. */
2920 if (!data_dir) {
2921 data_dir = CONFIG_QEMU_DATADIR;
2925 * Default to max_cpus = smp_cpus, in case the user doesn't
2926 * specify a max_cpus value.
2928 if (!max_cpus)
2929 max_cpus = smp_cpus;
2931 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2932 if (smp_cpus > machine->max_cpus) {
2933 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2934 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2935 machine->max_cpus);
2936 exit(1);
2940 * Get the default machine options from the machine if it is not already
2941 * specified either by the configuration file or by the command line.
2943 if (machine->default_machine_opts) {
2944 QemuOptsList *list = qemu_find_opts("machine");
2945 const char *p = NULL;
2947 if (!QTAILQ_EMPTY(&list->head)) {
2948 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2950 if (p == NULL) {
2951 opts = qemu_opts_parse(qemu_find_opts("machine"),
2952 machine->default_machine_opts, 0);
2953 if (!opts) {
2954 fprintf(stderr, "parse error for machine %s: %s\n",
2955 machine->name, machine->default_machine_opts);
2956 exit(1);
2961 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2962 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2964 if (machine->no_serial) {
2965 default_serial = 0;
2967 if (machine->no_parallel) {
2968 default_parallel = 0;
2970 if (!machine->use_virtcon) {
2971 default_virtcon = 0;
2973 if (machine->no_vga) {
2974 default_vga = 0;
2976 if (machine->no_floppy) {
2977 default_floppy = 0;
2979 if (machine->no_cdrom) {
2980 default_cdrom = 0;
2982 if (machine->no_sdcard) {
2983 default_sdcard = 0;
2986 if (display_type == DT_NOGRAPHIC) {
2987 if (default_parallel)
2988 add_device_config(DEV_PARALLEL, "null");
2989 if (default_serial && default_monitor) {
2990 add_device_config(DEV_SERIAL, "mon:stdio");
2991 } else if (default_virtcon && default_monitor) {
2992 add_device_config(DEV_VIRTCON, "mon:stdio");
2993 } else {
2994 if (default_serial)
2995 add_device_config(DEV_SERIAL, "stdio");
2996 if (default_virtcon)
2997 add_device_config(DEV_VIRTCON, "stdio");
2998 if (default_monitor)
2999 monitor_parse("stdio", "readline");
3001 } else {
3002 if (default_serial)
3003 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3004 if (default_parallel)
3005 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3006 if (default_monitor)
3007 monitor_parse("vc:80Cx24C", "readline");
3008 if (default_virtcon)
3009 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3011 if (default_vga)
3012 vga_interface_type = VGA_CIRRUS;
3014 socket_init();
3016 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3017 exit(1);
3018 #ifdef CONFIG_VIRTFS
3019 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3020 exit(1);
3022 #endif
3024 os_daemonize();
3026 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3027 os_pidfile_error();
3028 exit(1);
3031 configure_accelerator();
3033 if (qemu_init_main_loop()) {
3034 fprintf(stderr, "qemu_init_main_loop failed\n");
3035 exit(1);
3037 linux_boot = (kernel_filename != NULL);
3039 if (!linux_boot && *kernel_cmdline != '\0') {
3040 fprintf(stderr, "-append only allowed with -kernel option\n");
3041 exit(1);
3044 if (!linux_boot && initrd_filename != NULL) {
3045 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3046 exit(1);
3049 os_set_line_buffering();
3051 if (init_timer_alarm() < 0) {
3052 fprintf(stderr, "could not initialize alarm timer\n");
3053 exit(1);
3055 configure_icount(icount_option);
3057 if (net_init_clients() < 0) {
3058 exit(1);
3061 /* init the bluetooth world */
3062 if (foreach_device_config(DEV_BT, bt_parse))
3063 exit(1);
3065 /* init the memory */
3066 if (ram_size == 0)
3067 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3069 /* init the dynamic translator */
3070 cpu_exec_init_all(tb_size * 1024 * 1024);
3072 bdrv_init_with_whitelist();
3074 blk_mig_init();
3076 /* open the virtual block devices */
3077 if (snapshot)
3078 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3079 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3080 exit(1);
3082 default_drive(default_cdrom, snapshot, machine->use_scsi,
3083 IF_DEFAULT, 2, CDROM_OPTS);
3084 default_drive(default_floppy, snapshot, machine->use_scsi,
3085 IF_FLOPPY, 0, FD_OPTS);
3086 default_drive(default_sdcard, snapshot, machine->use_scsi,
3087 IF_SD, 0, SD_OPTS);
3089 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3090 ram_load, NULL);
3092 if (nb_numa_nodes > 0) {
3093 int i;
3095 if (nb_numa_nodes > smp_cpus) {
3096 nb_numa_nodes = smp_cpus;
3099 /* If no memory size if given for any node, assume the default case
3100 * and distribute the available memory equally across all nodes
3102 for (i = 0; i < nb_numa_nodes; i++) {
3103 if (node_mem[i] != 0)
3104 break;
3106 if (i == nb_numa_nodes) {
3107 uint64_t usedmem = 0;
3109 /* On Linux, the each node's border has to be 8MB aligned,
3110 * the final node gets the rest.
3112 for (i = 0; i < nb_numa_nodes - 1; i++) {
3113 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3114 usedmem += node_mem[i];
3116 node_mem[i] = ram_size - usedmem;
3119 for (i = 0; i < nb_numa_nodes; i++) {
3120 if (node_cpumask[i] != 0)
3121 break;
3123 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3124 * must cope with this anyway, because there are BIOSes out there in
3125 * real machines which also use this scheme.
3127 if (i == nb_numa_nodes) {
3128 for (i = 0; i < smp_cpus; i++) {
3129 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3134 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3135 exit(1);
3138 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3139 exit(1);
3140 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3141 exit(1);
3142 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3143 exit(1);
3144 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3145 exit(1);
3147 module_call_init(MODULE_INIT_DEVICE);
3149 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3150 exit(0);
3152 if (watchdog) {
3153 i = select_watchdog(watchdog);
3154 if (i > 0)
3155 exit (i == 1 ? 1 : 0);
3158 if (machine->compat_props) {
3159 qdev_prop_register_global_list(machine->compat_props);
3161 qemu_add_globals();
3163 machine->init(ram_size, boot_devices,
3164 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3166 cpu_synchronize_all_post_init();
3168 set_numa_modes();
3170 current_machine = machine;
3172 /* init USB devices */
3173 if (usb_enabled) {
3174 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3175 exit(1);
3178 /* init generic devices */
3179 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3180 exit(1);
3182 net_check_clients();
3184 /* just use the first displaystate for the moment */
3185 ds = get_displaystate();
3187 if (using_spice)
3188 display_remote++;
3189 if (display_type == DT_DEFAULT && !display_remote) {
3190 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3191 display_type = DT_SDL;
3192 #elif defined(CONFIG_VNC)
3193 vnc_display = "localhost:0,to=99";
3194 show_vnc_port = 1;
3195 #else
3196 display_type = DT_NONE;
3197 #endif
3201 /* init local displays */
3202 switch (display_type) {
3203 case DT_NOGRAPHIC:
3204 break;
3205 #if defined(CONFIG_CURSES)
3206 case DT_CURSES:
3207 curses_display_init(ds, full_screen);
3208 break;
3209 #endif
3210 #if defined(CONFIG_SDL)
3211 case DT_SDL:
3212 sdl_display_init(ds, full_screen, no_frame);
3213 break;
3214 #elif defined(CONFIG_COCOA)
3215 case DT_SDL:
3216 cocoa_display_init(ds, full_screen);
3217 break;
3218 #endif
3219 default:
3220 break;
3223 /* must be after terminal init, SDL library changes signal handlers */
3224 os_setup_signal_handling();
3226 #ifdef CONFIG_VNC
3227 /* init remote displays */
3228 if (vnc_display) {
3229 vnc_display_init(ds);
3230 if (vnc_display_open(ds, vnc_display) < 0)
3231 exit(1);
3233 if (show_vnc_port) {
3234 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3237 #endif
3238 #ifdef CONFIG_SPICE
3239 if (using_spice && !qxl_enabled) {
3240 qemu_spice_display_init(ds);
3242 #endif
3244 /* display setup */
3245 dpy_resize(ds);
3246 dcl = ds->listeners;
3247 while (dcl != NULL) {
3248 if (dcl->dpy_refresh != NULL) {
3249 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3250 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3251 break;
3253 dcl = dcl->next;
3255 if (ds->gui_timer == NULL) {
3256 nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
3257 qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
3259 text_consoles_set_display(ds);
3261 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3262 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3263 gdbstub_dev);
3264 exit(1);
3267 qdev_machine_creation_done();
3269 if (rom_load_all() != 0) {
3270 fprintf(stderr, "rom loading failed\n");
3271 exit(1);
3274 /* TODO: once all bus devices are qdevified, this should be done
3275 * when bus is created by qdev.c */
3276 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3277 qemu_run_machine_init_done_notifiers();
3279 qemu_system_reset();
3280 if (loadvm) {
3281 if (load_vmstate(loadvm) < 0) {
3282 autostart = 0;
3286 if (incoming) {
3287 int ret = qemu_start_incoming_migration(incoming);
3288 if (ret < 0) {
3289 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3290 incoming, ret);
3291 exit(ret);
3293 } else if (autostart) {
3294 vm_start();
3297 os_setup_post();
3299 main_loop();
3300 quit_timers();
3301 net_cleanup();
3303 return 0;