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Issue warning when deprecated drive parameter boot=on|off is used
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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#include "bitmap.h"
32
33/* Needed early for CONFIG_BSD etc. */
34#include "config-host.h"
35
36#ifndef _WIN32
37#include <libgen.h>
38#include <sys/times.h>
39#include <sys/wait.h>
40#include <termios.h>
41#include <sys/mman.h>
42#include <sys/ioctl.h>
43#include <sys/resource.h>
44#include <sys/socket.h>
45#include <netinet/in.h>
46#include <net/if.h>
47#include <arpa/inet.h>
48#include <dirent.h>
49#include <netdb.h>
50#include <sys/select.h>
51
52#ifdef CONFIG_BSD
53#include <sys/stat.h>
54#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55#include <sys/sysctl.h>
56#else
57#include <util.h>
58#endif
59#else
60#ifdef __linux__
61#include <malloc.h>
62
63#include <linux/ppdev.h>
64#include <linux/parport.h>
65#endif
66
67#ifdef CONFIG_SECCOMP
68#include "qemu-seccomp.h"
69#endif
70
71#ifdef __sun__
72#include <sys/stat.h>
73#include <sys/ethernet.h>
74#include <sys/sockio.h>
75#include <netinet/arp.h>
76#include <netinet/in_systm.h>
77#include <netinet/ip.h>
78#include <netinet/ip_icmp.h> // must come after ip.h
79#include <netinet/udp.h>
80#include <netinet/tcp.h>
81#include <net/if.h>
82#include <syslog.h>
83#include <stropts.h>
84#endif
85#endif
86#endif
87
88#if defined(CONFIG_VDE)
89#include <libvdeplug.h>
90#endif
91
92#ifdef _WIN32
93#include <windows.h>
94#endif
95
96#ifdef CONFIG_SDL
97#if defined(__APPLE__) || defined(main)
98#include <SDL.h>
99int qemu_main(int argc, char **argv, char **envp);
100int main(int argc, char **argv)
101{
102 return qemu_main(argc, argv, NULL);
103}
104#undef main
105#define main qemu_main
106#endif
107#endif /* CONFIG_SDL */
108
109#ifdef CONFIG_COCOA
110#undef main
111#define main qemu_main
112#endif /* CONFIG_COCOA */
113
114#include <glib.h>
115
116#include "hw/hw.h"
117#include "hw/boards.h"
118#include "hw/usb.h"
119#include "hw/pcmcia.h"
120#include "hw/pc.h"
121#include "hw/isa.h"
122#include "hw/baum.h"
123#include "hw/bt.h"
124#include "hw/watchdog.h"
125#include "hw/smbios.h"
126#include "hw/xen.h"
127#include "hw/qdev.h"
128#include "hw/loader.h"
129#include "bt-host.h"
130#include "net.h"
131#include "net/slirp.h"
132#include "monitor.h"
133#include "console.h"
134#include "sysemu.h"
135#include "gdbstub.h"
136#include "qemu-timer.h"
137#include "qemu-char.h"
138#include "cache-utils.h"
139#include "blockdev.h"
140#include "hw/block-common.h"
141#include "block-migration.h"
142#include "dma.h"
143#include "audio/audio.h"
144#include "migration.h"
145#include "kvm.h"
146#include "qjson.h"
147#include "qemu-option.h"
148#include "qemu-config.h"
149#include "qemu-options.h"
150#include "qmp-commands.h"
151#include "main-loop.h"
152#ifdef CONFIG_VIRTFS
153#include "fsdev/qemu-fsdev.h"
154#endif
155#include "qtest.h"
156
157#include "disas.h"
158
159#include "qemu_socket.h"
160
161#include "slirp/libslirp.h"
162
163#include "trace.h"
164#include "trace/control.h"
165#include "qemu-queue.h"
166#include "cpus.h"
167#include "arch_init.h"
168#include "osdep.h"
169
170#include "ui/qemu-spice.h"
171
172//#define DEBUG_NET
173//#define DEBUG_SLIRP
174
175#define DEFAULT_RAM_SIZE 128
176
177#define MAX_VIRTIO_CONSOLES 1
178
179static const char *data_dir;
180const char *bios_name = NULL;
181enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
182DisplayType display_type = DT_DEFAULT;
183int display_remote = 0;
184const char* keyboard_layout = NULL;
185ram_addr_t ram_size;
186const char *mem_path = NULL;
187#ifdef MAP_POPULATE
188int mem_prealloc = 0; /* force preallocation of physical target memory */
189#endif
190int nb_nics;
191NICInfo nd_table[MAX_NICS];
192int autostart;
193static int rtc_utc = 1;
194static int rtc_date_offset = -1; /* -1 means no change */
195QEMUClock *rtc_clock;
196int vga_interface_type = VGA_NONE;
197static int full_screen = 0;
198#ifdef CONFIG_SDL
199static int no_frame = 0;
200#endif
201int no_quit = 0;
202CharDriverState *serial_hds[MAX_SERIAL_PORTS];
203CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
204CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
205int win2k_install_hack = 0;
206int singlestep = 0;
207int smp_cpus = 1;
208int max_cpus = 0;
209int smp_cores = 1;
210int smp_threads = 1;
211#ifdef CONFIG_VNC
212const char *vnc_display;
213#endif
214int acpi_enabled = 1;
215int no_hpet = 0;
216int fd_bootchk = 1;
217int no_reboot = 0;
218int no_shutdown = 0;
219int cursor_hide = 1;
220int graphic_rotate = 0;
221const char *watchdog;
222QEMUOptionRom option_rom[MAX_OPTION_ROMS];
223int nb_option_roms;
224int semihosting_enabled = 0;
225int old_param = 0;
226const char *qemu_name;
227int alt_grab = 0;
228int ctrl_grab = 0;
229unsigned int nb_prom_envs = 0;
230const char *prom_envs[MAX_PROM_ENVS];
231int boot_menu;
232uint8_t *boot_splash_filedata;
233int boot_splash_filedata_size;
234uint8_t qemu_extra_params_fw[2];
235
236typedef struct FWBootEntry FWBootEntry;
237
238struct FWBootEntry {
239 QTAILQ_ENTRY(FWBootEntry) link;
240 int32_t bootindex;
241 DeviceState *dev;
242 char *suffix;
243};
244
245QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
246
247int nb_numa_nodes;
248uint64_t node_mem[MAX_NODES];
249unsigned long *node_cpumask[MAX_NODES];
250
251uint8_t qemu_uuid[16];
252
253static QEMUBootSetHandler *boot_set_handler;
254static void *boot_set_opaque;
255
256static NotifierList exit_notifiers =
257 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
258
259static NotifierList machine_init_done_notifiers =
260 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
261
262static int tcg_allowed = 1;
263int kvm_allowed = 0;
264int xen_allowed = 0;
265uint32_t xen_domid;
266enum xen_mode xen_mode = XEN_EMULATE;
267static int tcg_tb_size;
268
269static int default_serial = 1;
270static int default_parallel = 1;
271static int default_virtcon = 1;
272static int default_monitor = 1;
273static int default_floppy = 1;
274static int default_cdrom = 1;
275static int default_sdcard = 1;
276static int default_vga = 1;
277
278static struct {
279 const char *driver;
280 int *flag;
281} default_list[] = {
282 { .driver = "isa-serial", .flag = &default_serial },
283 { .driver = "isa-parallel", .flag = &default_parallel },
284 { .driver = "isa-fdc", .flag = &default_floppy },
285 { .driver = "ide-cd", .flag = &default_cdrom },
286 { .driver = "ide-hd", .flag = &default_cdrom },
287 { .driver = "ide-drive", .flag = &default_cdrom },
288 { .driver = "scsi-cd", .flag = &default_cdrom },
289 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
290 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
291 { .driver = "virtio-serial", .flag = &default_virtcon },
292 { .driver = "VGA", .flag = &default_vga },
293 { .driver = "isa-vga", .flag = &default_vga },
294 { .driver = "cirrus-vga", .flag = &default_vga },
295 { .driver = "isa-cirrus-vga", .flag = &default_vga },
296 { .driver = "vmware-svga", .flag = &default_vga },
297 { .driver = "qxl-vga", .flag = &default_vga },
298};
299
300const char *qemu_get_vm_name(void)
301{
302 return qemu_name;
303}
304
305static void res_free(void)
306{
307 if (boot_splash_filedata != NULL) {
308 g_free(boot_splash_filedata);
309 boot_splash_filedata = NULL;
310 }
311}
312
313static int default_driver_check(QemuOpts *opts, void *opaque)
314{
315 const char *driver = qemu_opt_get(opts, "driver");
316 int i;
317
318 if (!driver)
319 return 0;
320 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
321 if (strcmp(default_list[i].driver, driver) != 0)
322 continue;
323 *(default_list[i].flag) = 0;
324 }
325 return 0;
326}
327
328/***********************************************************/
329/* QEMU state */
330
331static RunState current_run_state = RUN_STATE_PRELAUNCH;
332
333typedef struct {
334 RunState from;
335 RunState to;
336} RunStateTransition;
337
338static const RunStateTransition runstate_transitions_def[] = {
339 /* from -> to */
340 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
341
342 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
343 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
344
345 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
346 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
347
348 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
349 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
350
351 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
352 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
353
354 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
355 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
356
357 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
358 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
359 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
360
361 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
362 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
363
364 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
365
366 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
367 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
368 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
369 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
370 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
371 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
372 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
373 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
374 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
375
376 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
377
378 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
379 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
380
381 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
382 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
383 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
384 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
385
386 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
387 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
388
389 { RUN_STATE_MAX, RUN_STATE_MAX },
390};
391
392static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
393
394bool runstate_check(RunState state)
395{
396 return current_run_state == state;
397}
398
399void runstate_init(void)
400{
401 const RunStateTransition *p;
402
403 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
404
405 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
406 runstate_valid_transitions[p->from][p->to] = true;
407 }
408}
409
410/* This function will abort() on invalid state transitions */
411void runstate_set(RunState new_state)
412{
413 assert(new_state < RUN_STATE_MAX);
414
415 if (!runstate_valid_transitions[current_run_state][new_state]) {
416 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
417 RunState_lookup[current_run_state],
418 RunState_lookup[new_state]);
419 abort();
420 }
421
422 current_run_state = new_state;
423}
424
425int runstate_is_running(void)
426{
427 return runstate_check(RUN_STATE_RUNNING);
428}
429
430StatusInfo *qmp_query_status(Error **errp)
431{
432 StatusInfo *info = g_malloc0(sizeof(*info));
433
434 info->running = runstate_is_running();
435 info->singlestep = singlestep;
436 info->status = current_run_state;
437
438 return info;
439}
440
441/***********************************************************/
442/* real time host monotonic timer */
443
444/***********************************************************/
445/* host time/date access */
446void qemu_get_timedate(struct tm *tm, int offset)
447{
448 time_t ti;
449 struct tm *ret;
450
451 time(&ti);
452 ti += offset;
453 if (rtc_date_offset == -1) {
454 if (rtc_utc)
455 ret = gmtime(&ti);
456 else
457 ret = localtime(&ti);
458 } else {
459 ti -= rtc_date_offset;
460 ret = gmtime(&ti);
461 }
462
463 memcpy(tm, ret, sizeof(struct tm));
464}
465
466int qemu_timedate_diff(struct tm *tm)
467{
468 time_t seconds;
469
470 if (rtc_date_offset == -1)
471 if (rtc_utc)
472 seconds = mktimegm(tm);
473 else {
474 struct tm tmp = *tm;
475 tmp.tm_isdst = -1; /* use timezone to figure it out */
476 seconds = mktime(&tmp);
477 }
478 else
479 seconds = mktimegm(tm) + rtc_date_offset;
480
481 return seconds - time(NULL);
482}
483
484void rtc_change_mon_event(struct tm *tm)
485{
486 QObject *data;
487
488 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
489 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
490 qobject_decref(data);
491}
492
493static void configure_rtc_date_offset(const char *startdate, int legacy)
494{
495 time_t rtc_start_date;
496 struct tm tm;
497
498 if (!strcmp(startdate, "now") && legacy) {
499 rtc_date_offset = -1;
500 } else {
501 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
502 &tm.tm_year,
503 &tm.tm_mon,
504 &tm.tm_mday,
505 &tm.tm_hour,
506 &tm.tm_min,
507 &tm.tm_sec) == 6) {
508 /* OK */
509 } else if (sscanf(startdate, "%d-%d-%d",
510 &tm.tm_year,
511 &tm.tm_mon,
512 &tm.tm_mday) == 3) {
513 tm.tm_hour = 0;
514 tm.tm_min = 0;
515 tm.tm_sec = 0;
516 } else {
517 goto date_fail;
518 }
519 tm.tm_year -= 1900;
520 tm.tm_mon--;
521 rtc_start_date = mktimegm(&tm);
522 if (rtc_start_date == -1) {
523 date_fail:
524 fprintf(stderr, "Invalid date format. Valid formats are:\n"
525 "'2006-06-17T16:01:21' or '2006-06-17'\n");
526 exit(1);
527 }
528 rtc_date_offset = time(NULL) - rtc_start_date;
529 }
530}
531
532static void configure_rtc(QemuOpts *opts)
533{
534 const char *value;
535
536 value = qemu_opt_get(opts, "base");
537 if (value) {
538 if (!strcmp(value, "utc")) {
539 rtc_utc = 1;
540 } else if (!strcmp(value, "localtime")) {
541 rtc_utc = 0;
542 } else {
543 configure_rtc_date_offset(value, 0);
544 }
545 }
546 value = qemu_opt_get(opts, "clock");
547 if (value) {
548 if (!strcmp(value, "host")) {
549 rtc_clock = host_clock;
550 } else if (!strcmp(value, "rt")) {
551 rtc_clock = rt_clock;
552 } else if (!strcmp(value, "vm")) {
553 rtc_clock = vm_clock;
554 } else {
555 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
556 exit(1);
557 }
558 }
559 value = qemu_opt_get(opts, "driftfix");
560 if (value) {
561 if (!strcmp(value, "slew")) {
562 static GlobalProperty slew_lost_ticks[] = {
563 {
564 .driver = "mc146818rtc",
565 .property = "lost_tick_policy",
566 .value = "slew",
567 },
568 { /* end of list */ }
569 };
570
571 qdev_prop_register_global_list(slew_lost_ticks);
572 } else if (!strcmp(value, "none")) {
573 /* discard is default */
574 } else {
575 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
576 exit(1);
577 }
578 }
579}
580
581/***********************************************************/
582/* Bluetooth support */
583static int nb_hcis;
584static int cur_hci;
585static struct HCIInfo *hci_table[MAX_NICS];
586
587static struct bt_vlan_s {
588 struct bt_scatternet_s net;
589 int id;
590 struct bt_vlan_s *next;
591} *first_bt_vlan;
592
593/* find or alloc a new bluetooth "VLAN" */
594static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
595{
596 struct bt_vlan_s **pvlan, *vlan;
597 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
598 if (vlan->id == id)
599 return &vlan->net;
600 }
601 vlan = g_malloc0(sizeof(struct bt_vlan_s));
602 vlan->id = id;
603 pvlan = &first_bt_vlan;
604 while (*pvlan != NULL)
605 pvlan = &(*pvlan)->next;
606 *pvlan = vlan;
607 return &vlan->net;
608}
609
610static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
611{
612}
613
614static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
615{
616 return -ENOTSUP;
617}
618
619static struct HCIInfo null_hci = {
620 .cmd_send = null_hci_send,
621 .sco_send = null_hci_send,
622 .acl_send = null_hci_send,
623 .bdaddr_set = null_hci_addr_set,
624};
625
626struct HCIInfo *qemu_next_hci(void)
627{
628 if (cur_hci == nb_hcis)
629 return &null_hci;
630
631 return hci_table[cur_hci++];
632}
633
634static struct HCIInfo *hci_init(const char *str)
635{
636 char *endp;
637 struct bt_scatternet_s *vlan = 0;
638
639 if (!strcmp(str, "null"))
640 /* null */
641 return &null_hci;
642 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
643 /* host[:hciN] */
644 return bt_host_hci(str[4] ? str + 5 : "hci0");
645 else if (!strncmp(str, "hci", 3)) {
646 /* hci[,vlan=n] */
647 if (str[3]) {
648 if (!strncmp(str + 3, ",vlan=", 6)) {
649 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
650 if (*endp)
651 vlan = 0;
652 }
653 } else
654 vlan = qemu_find_bt_vlan(0);
655 if (vlan)
656 return bt_new_hci(vlan);
657 }
658
659 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
660
661 return 0;
662}
663
664static int bt_hci_parse(const char *str)
665{
666 struct HCIInfo *hci;
667 bdaddr_t bdaddr;
668
669 if (nb_hcis >= MAX_NICS) {
670 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
671 return -1;
672 }
673
674 hci = hci_init(str);
675 if (!hci)
676 return -1;
677
678 bdaddr.b[0] = 0x52;
679 bdaddr.b[1] = 0x54;
680 bdaddr.b[2] = 0x00;
681 bdaddr.b[3] = 0x12;
682 bdaddr.b[4] = 0x34;
683 bdaddr.b[5] = 0x56 + nb_hcis;
684 hci->bdaddr_set(hci, bdaddr.b);
685
686 hci_table[nb_hcis++] = hci;
687
688 return 0;
689}
690
691static void bt_vhci_add(int vlan_id)
692{
693 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
694
695 if (!vlan->slave)
696 fprintf(stderr, "qemu: warning: adding a VHCI to "
697 "an empty scatternet %i\n", vlan_id);
698
699 bt_vhci_init(bt_new_hci(vlan));
700}
701
702static struct bt_device_s *bt_device_add(const char *opt)
703{
704 struct bt_scatternet_s *vlan;
705 int vlan_id = 0;
706 char *endp = strstr(opt, ",vlan=");
707 int len = (endp ? endp - opt : strlen(opt)) + 1;
708 char devname[10];
709
710 pstrcpy(devname, MIN(sizeof(devname), len), opt);
711
712 if (endp) {
713 vlan_id = strtol(endp + 6, &endp, 0);
714 if (*endp) {
715 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
716 return 0;
717 }
718 }
719
720 vlan = qemu_find_bt_vlan(vlan_id);
721
722 if (!vlan->slave)
723 fprintf(stderr, "qemu: warning: adding a slave device to "
724 "an empty scatternet %i\n", vlan_id);
725
726 if (!strcmp(devname, "keyboard"))
727 return bt_keyboard_init(vlan);
728
729 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
730 return 0;
731}
732
733static int bt_parse(const char *opt)
734{
735 const char *endp, *p;
736 int vlan;
737
738 if (strstart(opt, "hci", &endp)) {
739 if (!*endp || *endp == ',') {
740 if (*endp)
741 if (!strstart(endp, ",vlan=", 0))
742 opt = endp + 1;
743
744 return bt_hci_parse(opt);
745 }
746 } else if (strstart(opt, "vhci", &endp)) {
747 if (!*endp || *endp == ',') {
748 if (*endp) {
749 if (strstart(endp, ",vlan=", &p)) {
750 vlan = strtol(p, (char **) &endp, 0);
751 if (*endp) {
752 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
753 return 1;
754 }
755 } else {
756 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
757 return 1;
758 }
759 } else
760 vlan = 0;
761
762 bt_vhci_add(vlan);
763 return 0;
764 }
765 } else if (strstart(opt, "device:", &endp))
766 return !bt_device_add(endp);
767
768 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
769 return 1;
770}
771
772static int parse_sandbox(QemuOpts *opts, void *opaque)
773{
774 /* FIXME: change this to true for 1.3 */
775 if (qemu_opt_get_bool(opts, "enable", false)) {
776#ifdef CONFIG_SECCOMP
777 if (seccomp_start() < 0) {
778 qerror_report(ERROR_CLASS_GENERIC_ERROR,
779 "failed to install seccomp syscall filter in the kernel");
780 return -1;
781 }
782#else
783 qerror_report(ERROR_CLASS_GENERIC_ERROR,
784 "sandboxing request but seccomp is not compiled into this build");
785 return -1;
786#endif
787 }
788
789 return 0;
790}
791
792/*********QEMU USB setting******/
793bool usb_enabled(bool default_usb)
794{
795 QemuOpts *mach_opts;
796 mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
797 if (mach_opts) {
798 return qemu_opt_get_bool(mach_opts, "usb", default_usb);
799 }
800 return default_usb;
801}
802
803#ifndef _WIN32
804static int parse_add_fd(QemuOpts *opts, void *opaque)
805{
806 int fd, dupfd, flags;
807 int64_t fdset_id;
808 const char *fd_opaque = NULL;
809
810 fd = qemu_opt_get_number(opts, "fd", -1);
811 fdset_id = qemu_opt_get_number(opts, "set", -1);
812 fd_opaque = qemu_opt_get(opts, "opaque");
813
814 if (fd < 0) {
815 qerror_report(ERROR_CLASS_GENERIC_ERROR,
816 "fd option is required and must be non-negative");
817 return -1;
818 }
819
820 if (fd <= STDERR_FILENO) {
821 qerror_report(ERROR_CLASS_GENERIC_ERROR,
822 "fd cannot be a standard I/O stream");
823 return -1;
824 }
825
826 /*
827 * All fds inherited across exec() necessarily have FD_CLOEXEC
828 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
829 */
830 flags = fcntl(fd, F_GETFD);
831 if (flags == -1 || (flags & FD_CLOEXEC)) {
832 qerror_report(ERROR_CLASS_GENERIC_ERROR,
833 "fd is not valid or already in use");
834 return -1;
835 }
836
837 if (fdset_id < 0) {
838 qerror_report(ERROR_CLASS_GENERIC_ERROR,
839 "set option is required and must be non-negative");
840 return -1;
841 }
842
843#ifdef F_DUPFD_CLOEXEC
844 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
845#else
846 dupfd = dup(fd);
847 if (dupfd != -1) {
848 qemu_set_cloexec(dupfd);
849 }
850#endif
851 if (dupfd == -1) {
852 qerror_report(ERROR_CLASS_GENERIC_ERROR,
853 "Error duplicating fd: %s", strerror(errno));
854 return -1;
855 }
856
857 /* add the duplicate fd, and optionally the opaque string, to the fd set */
858 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
859 fd_opaque, NULL);
860
861 return 0;
862}
863
864static int cleanup_add_fd(QemuOpts *opts, void *opaque)
865{
866 int fd;
867
868 fd = qemu_opt_get_number(opts, "fd", -1);
869 close(fd);
870
871 return 0;
872}
873#endif
874
875/***********************************************************/
876/* QEMU Block devices */
877
878#define HD_OPTS "media=disk"
879#define CDROM_OPTS "media=cdrom"
880#define FD_OPTS ""
881#define PFLASH_OPTS ""
882#define MTD_OPTS ""
883#define SD_OPTS ""
884
885static int drive_init_func(QemuOpts *opts, void *opaque)
886{
887 int *use_scsi = opaque;
888
889 return drive_init(opts, *use_scsi) == NULL;
890}
891
892static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
893{
894 if (NULL == qemu_opt_get(opts, "snapshot")) {
895 qemu_opt_set(opts, "snapshot", "on");
896 }
897 return 0;
898}
899
900static void default_drive(int enable, int snapshot, int use_scsi,
901 BlockInterfaceType type, int index,
902 const char *optstr)
903{
904 QemuOpts *opts;
905
906 if (type == IF_DEFAULT) {
907 type = use_scsi ? IF_SCSI : IF_IDE;
908 }
909
910 if (!enable || drive_get_by_index(type, index)) {
911 return;
912 }
913
914 opts = drive_add(type, index, NULL, optstr);
915 if (snapshot) {
916 drive_enable_snapshot(opts, NULL);
917 }
918 if (!drive_init(opts, use_scsi)) {
919 exit(1);
920 }
921}
922
923void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
924{
925 boot_set_handler = func;
926 boot_set_opaque = opaque;
927}
928
929int qemu_boot_set(const char *boot_devices)
930{
931 if (!boot_set_handler) {
932 return -EINVAL;
933 }
934 return boot_set_handler(boot_set_opaque, boot_devices);
935}
936
937static void validate_bootdevices(char *devices)
938{
939 /* We just do some generic consistency checks */
940 const char *p;
941 int bitmap = 0;
942
943 for (p = devices; *p != '\0'; p++) {
944 /* Allowed boot devices are:
945 * a-b: floppy disk drives
946 * c-f: IDE disk drives
947 * g-m: machine implementation dependent drives
948 * n-p: network devices
949 * It's up to each machine implementation to check if the given boot
950 * devices match the actual hardware implementation and firmware
951 * features.
952 */
953 if (*p < 'a' || *p > 'p') {
954 fprintf(stderr, "Invalid boot device '%c'\n", *p);
955 exit(1);
956 }
957 if (bitmap & (1 << (*p - 'a'))) {
958 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
959 exit(1);
960 }
961 bitmap |= 1 << (*p - 'a');
962 }
963}
964
965static void restore_boot_devices(void *opaque)
966{
967 char *standard_boot_devices = opaque;
968 static int first = 1;
969
970 /* Restore boot order and remove ourselves after the first boot */
971 if (first) {
972 first = 0;
973 return;
974 }
975
976 qemu_boot_set(standard_boot_devices);
977
978 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
979 g_free(standard_boot_devices);
980}
981
982void add_boot_device_path(int32_t bootindex, DeviceState *dev,
983 const char *suffix)
984{
985 FWBootEntry *node, *i;
986
987 if (bootindex < 0) {
988 return;
989 }
990
991 assert(dev != NULL || suffix != NULL);
992
993 node = g_malloc0(sizeof(FWBootEntry));
994 node->bootindex = bootindex;
995 node->suffix = suffix ? g_strdup(suffix) : NULL;
996 node->dev = dev;
997
998 QTAILQ_FOREACH(i, &fw_boot_order, link) {
999 if (i->bootindex == bootindex) {
1000 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1001 exit(1);
1002 } else if (i->bootindex < bootindex) {
1003 continue;
1004 }
1005 QTAILQ_INSERT_BEFORE(i, node, link);
1006 return;
1007 }
1008 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1009}
1010
1011/*
1012 * This function returns null terminated string that consist of new line
1013 * separated device paths.
1014 *
1015 * memory pointed by "size" is assigned total length of the array in bytes
1016 *
1017 */
1018char *get_boot_devices_list(uint32_t *size)
1019{
1020 FWBootEntry *i;
1021 uint32_t total = 0;
1022 char *list = NULL;
1023
1024 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1025 char *devpath = NULL, *bootpath;
1026 int len;
1027
1028 if (i->dev) {
1029 devpath = qdev_get_fw_dev_path(i->dev);
1030 assert(devpath);
1031 }
1032
1033 if (i->suffix && devpath) {
1034 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1035
1036 bootpath = g_malloc(bootpathlen);
1037 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1038 g_free(devpath);
1039 } else if (devpath) {
1040 bootpath = devpath;
1041 } else {
1042 assert(i->suffix);
1043 bootpath = g_strdup(i->suffix);
1044 }
1045
1046 if (total) {
1047 list[total-1] = '\n';
1048 }
1049 len = strlen(bootpath) + 1;
1050 list = g_realloc(list, total + len);
1051 memcpy(&list[total], bootpath, len);
1052 total += len;
1053 g_free(bootpath);
1054 }
1055
1056 *size = total;
1057
1058 return list;
1059}
1060
1061static void numa_add(const char *optarg)
1062{
1063 char option[128];
1064 char *endptr;
1065 unsigned long long value, endvalue;
1066 int nodenr;
1067
1068 value = endvalue = 0ULL;
1069
1070 optarg = get_opt_name(option, 128, optarg, ',') + 1;
1071 if (!strcmp(option, "node")) {
1072 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1073 nodenr = nb_numa_nodes;
1074 } else {
1075 nodenr = strtoull(option, NULL, 10);
1076 }
1077
1078 if (get_param_value(option, 128, "mem", optarg) == 0) {
1079 node_mem[nodenr] = 0;
1080 } else {
1081 int64_t sval;
1082 sval = strtosz(option, &endptr);
1083 if (sval < 0 || *endptr) {
1084 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1085 exit(1);
1086 }
1087 node_mem[nodenr] = sval;
1088 }
1089 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1090 value = strtoull(option, &endptr, 10);
1091 if (*endptr == '-') {
1092 endvalue = strtoull(endptr+1, &endptr, 10);
1093 } else {
1094 endvalue = value;
1095 }
1096
1097 if (!(endvalue < MAX_CPUMASK_BITS)) {
1098 endvalue = MAX_CPUMASK_BITS - 1;
1099 fprintf(stderr,
1100 "A max of %d CPUs are supported in a guest\n",
1101 MAX_CPUMASK_BITS);
1102 }
1103
1104 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1105 }
1106 nb_numa_nodes++;
1107 }
1108}
1109
1110static void smp_parse(const char *optarg)
1111{
1112 int smp, sockets = 0, threads = 0, cores = 0;
1113 char *endptr;
1114 char option[128];
1115
1116 smp = strtoul(optarg, &endptr, 10);
1117 if (endptr != optarg) {
1118 if (*endptr == ',') {
1119 endptr++;
1120 }
1121 }
1122 if (get_param_value(option, 128, "sockets", endptr) != 0)
1123 sockets = strtoull(option, NULL, 10);
1124 if (get_param_value(option, 128, "cores", endptr) != 0)
1125 cores = strtoull(option, NULL, 10);
1126 if (get_param_value(option, 128, "threads", endptr) != 0)
1127 threads = strtoull(option, NULL, 10);
1128 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1129 max_cpus = strtoull(option, NULL, 10);
1130
1131 /* compute missing values, prefer sockets over cores over threads */
1132 if (smp == 0 || sockets == 0) {
1133 sockets = sockets > 0 ? sockets : 1;
1134 cores = cores > 0 ? cores : 1;
1135 threads = threads > 0 ? threads : 1;
1136 if (smp == 0) {
1137 smp = cores * threads * sockets;
1138 }
1139 } else {
1140 if (cores == 0) {
1141 threads = threads > 0 ? threads : 1;
1142 cores = smp / (sockets * threads);
1143 } else {
1144 threads = smp / (cores * sockets);
1145 }
1146 }
1147 smp_cpus = smp;
1148 smp_cores = cores > 0 ? cores : 1;
1149 smp_threads = threads > 0 ? threads : 1;
1150 if (max_cpus == 0)
1151 max_cpus = smp_cpus;
1152}
1153
1154/***********************************************************/
1155/* USB devices */
1156
1157static int usb_device_add(const char *devname)
1158{
1159 const char *p;
1160 USBDevice *dev = NULL;
1161
1162 if (!usb_enabled(false)) {
1163 return -1;
1164 }
1165
1166 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1167 dev = usbdevice_create(devname);
1168 if (dev)
1169 goto done;
1170
1171 /* the other ones */
1172#ifndef CONFIG_LINUX
1173 /* only the linux version is qdev-ified, usb-bsd still needs this */
1174 if (strstart(devname, "host:", &p)) {
1175 dev = usb_host_device_open(usb_bus_find(-1), p);
1176 } else
1177#endif
1178 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1179 dev = usb_bt_init(usb_bus_find(-1),
1180 devname[2] ? hci_init(p)
1181 : bt_new_hci(qemu_find_bt_vlan(0)));
1182 } else {
1183 return -1;
1184 }
1185 if (!dev)
1186 return -1;
1187
1188done:
1189 return 0;
1190}
1191
1192static int usb_device_del(const char *devname)
1193{
1194 int bus_num, addr;
1195 const char *p;
1196
1197 if (strstart(devname, "host:", &p))
1198 return usb_host_device_close(p);
1199
1200 if (!usb_enabled(false)) {
1201 return -1;
1202 }
1203
1204 p = strchr(devname, '.');
1205 if (!p)
1206 return -1;
1207 bus_num = strtoul(devname, NULL, 0);
1208 addr = strtoul(p + 1, NULL, 0);
1209
1210 return usb_device_delete_addr(bus_num, addr);
1211}
1212
1213static int usb_parse(const char *cmdline)
1214{
1215 int r;
1216 r = usb_device_add(cmdline);
1217 if (r < 0) {
1218 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1219 }
1220 return r;
1221}
1222
1223void do_usb_add(Monitor *mon, const QDict *qdict)
1224{
1225 const char *devname = qdict_get_str(qdict, "devname");
1226 if (usb_device_add(devname) < 0) {
1227 error_report("could not add USB device '%s'", devname);
1228 }
1229}
1230
1231void do_usb_del(Monitor *mon, const QDict *qdict)
1232{
1233 const char *devname = qdict_get_str(qdict, "devname");
1234 if (usb_device_del(devname) < 0) {
1235 error_report("could not delete USB device '%s'", devname);
1236 }
1237}
1238
1239/***********************************************************/
1240/* PCMCIA/Cardbus */
1241
1242static struct pcmcia_socket_entry_s {
1243 PCMCIASocket *socket;
1244 struct pcmcia_socket_entry_s *next;
1245} *pcmcia_sockets = 0;
1246
1247void pcmcia_socket_register(PCMCIASocket *socket)
1248{
1249 struct pcmcia_socket_entry_s *entry;
1250
1251 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1252 entry->socket = socket;
1253 entry->next = pcmcia_sockets;
1254 pcmcia_sockets = entry;
1255}
1256
1257void pcmcia_socket_unregister(PCMCIASocket *socket)
1258{
1259 struct pcmcia_socket_entry_s *entry, **ptr;
1260
1261 ptr = &pcmcia_sockets;
1262 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1263 if (entry->socket == socket) {
1264 *ptr = entry->next;
1265 g_free(entry);
1266 }
1267}
1268
1269void pcmcia_info(Monitor *mon)
1270{
1271 struct pcmcia_socket_entry_s *iter;
1272
1273 if (!pcmcia_sockets)
1274 monitor_printf(mon, "No PCMCIA sockets\n");
1275
1276 for (iter = pcmcia_sockets; iter; iter = iter->next)
1277 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1278 iter->socket->attached ? iter->socket->card_string :
1279 "Empty");
1280}
1281
1282/***********************************************************/
1283/* machine registration */
1284
1285static QEMUMachine *first_machine = NULL;
1286QEMUMachine *current_machine = NULL;
1287
1288int qemu_register_machine(QEMUMachine *m)
1289{
1290 QEMUMachine **pm;
1291 pm = &first_machine;
1292 while (*pm != NULL)
1293 pm = &(*pm)->next;
1294 m->next = NULL;
1295 *pm = m;
1296 return 0;
1297}
1298
1299static QEMUMachine *find_machine(const char *name)
1300{
1301 QEMUMachine *m;
1302
1303 for(m = first_machine; m != NULL; m = m->next) {
1304 if (!strcmp(m->name, name))
1305 return m;
1306 if (m->alias && !strcmp(m->alias, name))
1307 return m;
1308 }
1309 return NULL;
1310}
1311
1312QEMUMachine *find_default_machine(void)
1313{
1314 QEMUMachine *m;
1315
1316 for(m = first_machine; m != NULL; m = m->next) {
1317 if (m->is_default) {
1318 return m;
1319 }
1320 }
1321 return NULL;
1322}
1323
1324MachineInfoList *qmp_query_machines(Error **errp)
1325{
1326 MachineInfoList *mach_list = NULL;
1327 QEMUMachine *m;
1328
1329 for (m = first_machine; m; m = m->next) {
1330 MachineInfoList *entry;
1331 MachineInfo *info;
1332
1333 info = g_malloc0(sizeof(*info));
1334 if (m->is_default) {
1335 info->has_is_default = true;
1336 info->is_default = true;
1337 }
1338
1339 if (m->alias) {
1340 info->has_alias = true;
1341 info->alias = g_strdup(m->alias);
1342 }
1343
1344 info->name = g_strdup(m->name);
1345
1346 entry = g_malloc0(sizeof(*entry));
1347 entry->value = info;
1348 entry->next = mach_list;
1349 mach_list = entry;
1350 }
1351
1352 return mach_list;
1353}
1354
1355/***********************************************************/
1356/* main execution loop */
1357
1358static void gui_update(void *opaque)
1359{
1360 uint64_t interval = GUI_REFRESH_INTERVAL;
1361 DisplayState *ds = opaque;
1362 DisplayChangeListener *dcl = ds->listeners;
1363
1364 dpy_refresh(ds);
1365
1366 while (dcl != NULL) {
1367 if (dcl->gui_timer_interval &&
1368 dcl->gui_timer_interval < interval)
1369 interval = dcl->gui_timer_interval;
1370 dcl = dcl->next;
1371 }
1372 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1373}
1374
1375struct vm_change_state_entry {
1376 VMChangeStateHandler *cb;
1377 void *opaque;
1378 QLIST_ENTRY (vm_change_state_entry) entries;
1379};
1380
1381static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1382
1383VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1384 void *opaque)
1385{
1386 VMChangeStateEntry *e;
1387
1388 e = g_malloc0(sizeof (*e));
1389
1390 e->cb = cb;
1391 e->opaque = opaque;
1392 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1393 return e;
1394}
1395
1396void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1397{
1398 QLIST_REMOVE (e, entries);
1399 g_free (e);
1400}
1401
1402void vm_state_notify(int running, RunState state)
1403{
1404 VMChangeStateEntry *e;
1405
1406 trace_vm_state_notify(running, state);
1407
1408 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1409 e->cb(e->opaque, running, state);
1410 }
1411}
1412
1413void vm_start(void)
1414{
1415 if (!runstate_is_running()) {
1416 cpu_enable_ticks();
1417 runstate_set(RUN_STATE_RUNNING);
1418 vm_state_notify(1, RUN_STATE_RUNNING);
1419 resume_all_vcpus();
1420 monitor_protocol_event(QEVENT_RESUME, NULL);
1421 }
1422}
1423
1424/* reset/shutdown handler */
1425
1426typedef struct QEMUResetEntry {
1427 QTAILQ_ENTRY(QEMUResetEntry) entry;
1428 QEMUResetHandler *func;
1429 void *opaque;
1430} QEMUResetEntry;
1431
1432static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1433 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1434static int reset_requested;
1435static int shutdown_requested, shutdown_signal = -1;
1436static pid_t shutdown_pid;
1437static int powerdown_requested;
1438static int debug_requested;
1439static int suspend_requested;
1440static int wakeup_requested;
1441static NotifierList powerdown_notifiers =
1442 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1443static NotifierList suspend_notifiers =
1444 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1445static NotifierList wakeup_notifiers =
1446 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1447static uint32_t wakeup_reason_mask = ~0;
1448static RunState vmstop_requested = RUN_STATE_MAX;
1449
1450int qemu_shutdown_requested_get(void)
1451{
1452 return shutdown_requested;
1453}
1454
1455int qemu_reset_requested_get(void)
1456{
1457 return reset_requested;
1458}
1459
1460int qemu_shutdown_requested(void)
1461{
1462 int r = shutdown_requested;
1463 shutdown_requested = 0;
1464 return r;
1465}
1466
1467void qemu_kill_report(void)
1468{
1469 if (!qtest_enabled() && shutdown_signal != -1) {
1470 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1471 if (shutdown_pid == 0) {
1472 /* This happens for eg ^C at the terminal, so it's worth
1473 * avoiding printing an odd message in that case.
1474 */
1475 fputc('\n', stderr);
1476 } else {
1477 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1478 }
1479 shutdown_signal = -1;
1480 }
1481}
1482
1483int qemu_reset_requested(void)
1484{
1485 int r = reset_requested;
1486 reset_requested = 0;
1487 return r;
1488}
1489
1490static int qemu_suspend_requested(void)
1491{
1492 int r = suspend_requested;
1493 suspend_requested = 0;
1494 return r;
1495}
1496
1497static int qemu_wakeup_requested(void)
1498{
1499 int r = wakeup_requested;
1500 wakeup_requested = 0;
1501 return r;
1502}
1503
1504int qemu_powerdown_requested(void)
1505{
1506 int r = powerdown_requested;
1507 powerdown_requested = 0;
1508 return r;
1509}
1510
1511static int qemu_debug_requested(void)
1512{
1513 int r = debug_requested;
1514 debug_requested = 0;
1515 return r;
1516}
1517
1518/* We use RUN_STATE_MAX but any invalid value will do */
1519static bool qemu_vmstop_requested(RunState *r)
1520{
1521 if (vmstop_requested < RUN_STATE_MAX) {
1522 *r = vmstop_requested;
1523 vmstop_requested = RUN_STATE_MAX;
1524 return true;
1525 }
1526
1527 return false;
1528}
1529
1530void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1531{
1532 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1533
1534 re->func = func;
1535 re->opaque = opaque;
1536 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1537}
1538
1539void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1540{
1541 QEMUResetEntry *re;
1542
1543 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1544 if (re->func == func && re->opaque == opaque) {
1545 QTAILQ_REMOVE(&reset_handlers, re, entry);
1546 g_free(re);
1547 return;
1548 }
1549 }
1550}
1551
1552void qemu_devices_reset(void)
1553{
1554 QEMUResetEntry *re, *nre;
1555
1556 /* reset all devices */
1557 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1558 re->func(re->opaque);
1559 }
1560}
1561
1562void qemu_system_reset(bool report)
1563{
1564 if (current_machine && current_machine->reset) {
1565 current_machine->reset();
1566 } else {
1567 qemu_devices_reset();
1568 }
1569 if (report) {
1570 monitor_protocol_event(QEVENT_RESET, NULL);
1571 }
1572 cpu_synchronize_all_post_reset();
1573}
1574
1575void qemu_system_reset_request(void)
1576{
1577 if (no_reboot) {
1578 shutdown_requested = 1;
1579 } else {
1580 reset_requested = 1;
1581 }
1582 cpu_stop_current();
1583 qemu_notify_event();
1584}
1585
1586static void qemu_system_suspend(void)
1587{
1588 pause_all_vcpus();
1589 notifier_list_notify(&suspend_notifiers, NULL);
1590 runstate_set(RUN_STATE_SUSPENDED);
1591 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1592}
1593
1594void qemu_system_suspend_request(void)
1595{
1596 if (runstate_check(RUN_STATE_SUSPENDED)) {
1597 return;
1598 }
1599 suspend_requested = 1;
1600 cpu_stop_current();
1601 qemu_notify_event();
1602}
1603
1604void qemu_register_suspend_notifier(Notifier *notifier)
1605{
1606 notifier_list_add(&suspend_notifiers, notifier);
1607}
1608
1609void qemu_system_wakeup_request(WakeupReason reason)
1610{
1611 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1612 return;
1613 }
1614 if (!(wakeup_reason_mask & (1 << reason))) {
1615 return;
1616 }
1617 runstate_set(RUN_STATE_RUNNING);
1618 notifier_list_notify(&wakeup_notifiers, &reason);
1619 wakeup_requested = 1;
1620 qemu_notify_event();
1621}
1622
1623void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1624{
1625 if (enabled) {
1626 wakeup_reason_mask |= (1 << reason);
1627 } else {
1628 wakeup_reason_mask &= ~(1 << reason);
1629 }
1630}
1631
1632void qemu_register_wakeup_notifier(Notifier *notifier)
1633{
1634 notifier_list_add(&wakeup_notifiers, notifier);
1635}
1636
1637void qemu_system_killed(int signal, pid_t pid)
1638{
1639 shutdown_signal = signal;
1640 shutdown_pid = pid;
1641 no_shutdown = 0;
1642 qemu_system_shutdown_request();
1643}
1644
1645void qemu_system_shutdown_request(void)
1646{
1647 shutdown_requested = 1;
1648 qemu_notify_event();
1649}
1650
1651static void qemu_system_powerdown(void)
1652{
1653 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1654 notifier_list_notify(&powerdown_notifiers, NULL);
1655}
1656
1657void qemu_system_powerdown_request(void)
1658{
1659 powerdown_requested = 1;
1660 qemu_notify_event();
1661}
1662
1663void qemu_register_powerdown_notifier(Notifier *notifier)
1664{
1665 notifier_list_add(&powerdown_notifiers, notifier);
1666}
1667
1668void qemu_system_debug_request(void)
1669{
1670 debug_requested = 1;
1671 qemu_notify_event();
1672}
1673
1674void qemu_system_vmstop_request(RunState state)
1675{
1676 vmstop_requested = state;
1677 qemu_notify_event();
1678}
1679
1680static bool main_loop_should_exit(void)
1681{
1682 RunState r;
1683 if (qemu_debug_requested()) {
1684 vm_stop(RUN_STATE_DEBUG);
1685 }
1686 if (qemu_suspend_requested()) {
1687 qemu_system_suspend();
1688 }
1689 if (qemu_shutdown_requested()) {
1690 qemu_kill_report();
1691 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1692 if (no_shutdown) {
1693 vm_stop(RUN_STATE_SHUTDOWN);
1694 } else {
1695 return true;
1696 }
1697 }
1698 if (qemu_reset_requested()) {
1699 pause_all_vcpus();
1700 cpu_synchronize_all_states();
1701 qemu_system_reset(VMRESET_REPORT);
1702 resume_all_vcpus();
1703 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1704 runstate_check(RUN_STATE_SHUTDOWN)) {
1705 runstate_set(RUN_STATE_PAUSED);
1706 }
1707 }
1708 if (qemu_wakeup_requested()) {
1709 pause_all_vcpus();
1710 cpu_synchronize_all_states();
1711 qemu_system_reset(VMRESET_SILENT);
1712 resume_all_vcpus();
1713 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1714 }
1715 if (qemu_powerdown_requested()) {
1716 qemu_system_powerdown();
1717 }
1718 if (qemu_vmstop_requested(&r)) {
1719 vm_stop(r);
1720 }
1721 return false;
1722}
1723
1724static void main_loop(void)
1725{
1726 bool nonblocking;
1727 int last_io = 0;
1728#ifdef CONFIG_PROFILER
1729 int64_t ti;
1730#endif
1731 do {
1732 nonblocking = !kvm_enabled() && last_io > 0;
1733#ifdef CONFIG_PROFILER
1734 ti = profile_getclock();
1735#endif
1736 last_io = main_loop_wait(nonblocking);
1737#ifdef CONFIG_PROFILER
1738 dev_time += profile_getclock() - ti;
1739#endif
1740 } while (!main_loop_should_exit());
1741}
1742
1743static void version(void)
1744{
1745 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1746}
1747
1748static void help(int exitcode)
1749{
1750 version();
1751 printf("usage: %s [options] [disk_image]\n\n"
1752 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1753 error_get_progname());
1754
1755#define QEMU_OPTIONS_GENERATE_HELP
1756#include "qemu-options-wrapper.h"
1757
1758 printf("\nDuring emulation, the following keys are useful:\n"
1759 "ctrl-alt-f toggle full screen\n"
1760 "ctrl-alt-n switch to virtual console 'n'\n"
1761 "ctrl-alt toggle mouse and keyboard grab\n"
1762 "\n"
1763 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1764
1765 exit(exitcode);
1766}
1767
1768#define HAS_ARG 0x0001
1769
1770typedef struct QEMUOption {
1771 const char *name;
1772 int flags;
1773 int index;
1774 uint32_t arch_mask;
1775} QEMUOption;
1776
1777static const QEMUOption qemu_options[] = {
1778 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1779#define QEMU_OPTIONS_GENERATE_OPTIONS
1780#include "qemu-options-wrapper.h"
1781 { NULL },
1782};
1783
1784static bool vga_available(void)
1785{
1786 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1787}
1788
1789static bool cirrus_vga_available(void)
1790{
1791 return object_class_by_name("cirrus-vga")
1792 || object_class_by_name("isa-cirrus-vga");
1793}
1794
1795static bool vmware_vga_available(void)
1796{
1797 return object_class_by_name("vmware-svga");
1798}
1799
1800static bool qxl_vga_available(void)
1801{
1802 return object_class_by_name("qxl-vga");
1803}
1804
1805static void select_vgahw (const char *p)
1806{
1807 const char *opts;
1808
1809 vga_interface_type = VGA_NONE;
1810 if (strstart(p, "std", &opts)) {
1811 if (vga_available()) {
1812 vga_interface_type = VGA_STD;
1813 } else {
1814 fprintf(stderr, "Error: standard VGA not available\n");
1815 exit(0);
1816 }
1817 } else if (strstart(p, "cirrus", &opts)) {
1818 if (cirrus_vga_available()) {
1819 vga_interface_type = VGA_CIRRUS;
1820 } else {
1821 fprintf(stderr, "Error: Cirrus VGA not available\n");
1822 exit(0);
1823 }
1824 } else if (strstart(p, "vmware", &opts)) {
1825 if (vmware_vga_available()) {
1826 vga_interface_type = VGA_VMWARE;
1827 } else {
1828 fprintf(stderr, "Error: VMWare SVGA not available\n");
1829 exit(0);
1830 }
1831 } else if (strstart(p, "xenfb", &opts)) {
1832 vga_interface_type = VGA_XENFB;
1833 } else if (strstart(p, "qxl", &opts)) {
1834 if (qxl_vga_available()) {
1835 vga_interface_type = VGA_QXL;
1836 } else {
1837 fprintf(stderr, "Error: QXL VGA not available\n");
1838 exit(0);
1839 }
1840 } else if (!strstart(p, "none", &opts)) {
1841 invalid_vga:
1842 fprintf(stderr, "Unknown vga type: %s\n", p);
1843 exit(1);
1844 }
1845 while (*opts) {
1846 const char *nextopt;
1847
1848 if (strstart(opts, ",retrace=", &nextopt)) {
1849 opts = nextopt;
1850 if (strstart(opts, "dumb", &nextopt))
1851 vga_retrace_method = VGA_RETRACE_DUMB;
1852 else if (strstart(opts, "precise", &nextopt))
1853 vga_retrace_method = VGA_RETRACE_PRECISE;
1854 else goto invalid_vga;
1855 } else goto invalid_vga;
1856 opts = nextopt;
1857 }
1858}
1859
1860static DisplayType select_display(const char *p)
1861{
1862 const char *opts;
1863 DisplayType display = DT_DEFAULT;
1864
1865 if (strstart(p, "sdl", &opts)) {
1866#ifdef CONFIG_SDL
1867 display = DT_SDL;
1868 while (*opts) {
1869 const char *nextopt;
1870
1871 if (strstart(opts, ",frame=", &nextopt)) {
1872 opts = nextopt;
1873 if (strstart(opts, "on", &nextopt)) {
1874 no_frame = 0;
1875 } else if (strstart(opts, "off", &nextopt)) {
1876 no_frame = 1;
1877 } else {
1878 goto invalid_sdl_args;
1879 }
1880 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1881 opts = nextopt;
1882 if (strstart(opts, "on", &nextopt)) {
1883 alt_grab = 1;
1884 } else if (strstart(opts, "off", &nextopt)) {
1885 alt_grab = 0;
1886 } else {
1887 goto invalid_sdl_args;
1888 }
1889 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1890 opts = nextopt;
1891 if (strstart(opts, "on", &nextopt)) {
1892 ctrl_grab = 1;
1893 } else if (strstart(opts, "off", &nextopt)) {
1894 ctrl_grab = 0;
1895 } else {
1896 goto invalid_sdl_args;
1897 }
1898 } else if (strstart(opts, ",window_close=", &nextopt)) {
1899 opts = nextopt;
1900 if (strstart(opts, "on", &nextopt)) {
1901 no_quit = 0;
1902 } else if (strstart(opts, "off", &nextopt)) {
1903 no_quit = 1;
1904 } else {
1905 goto invalid_sdl_args;
1906 }
1907 } else {
1908 invalid_sdl_args:
1909 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1910 exit(1);
1911 }
1912 opts = nextopt;
1913 }
1914#else
1915 fprintf(stderr, "SDL support is disabled\n");
1916 exit(1);
1917#endif
1918 } else if (strstart(p, "vnc", &opts)) {
1919#ifdef CONFIG_VNC
1920 display_remote++;
1921
1922 if (*opts) {
1923 const char *nextopt;
1924
1925 if (strstart(opts, "=", &nextopt)) {
1926 vnc_display = nextopt;
1927 }
1928 }
1929 if (!vnc_display) {
1930 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1931 exit(1);
1932 }
1933#else
1934 fprintf(stderr, "VNC support is disabled\n");
1935 exit(1);
1936#endif
1937 } else if (strstart(p, "curses", &opts)) {
1938#ifdef CONFIG_CURSES
1939 display = DT_CURSES;
1940#else
1941 fprintf(stderr, "Curses support is disabled\n");
1942 exit(1);
1943#endif
1944 } else if (strstart(p, "none", &opts)) {
1945 display = DT_NONE;
1946 } else {
1947 fprintf(stderr, "Unknown display type: %s\n", p);
1948 exit(1);
1949 }
1950
1951 return display;
1952}
1953
1954static int balloon_parse(const char *arg)
1955{
1956 QemuOpts *opts;
1957
1958 if (strcmp(arg, "none") == 0) {
1959 return 0;
1960 }
1961
1962 if (!strncmp(arg, "virtio", 6)) {
1963 if (arg[6] == ',') {
1964 /* have params -> parse them */
1965 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1966 if (!opts)
1967 return -1;
1968 } else {
1969 /* create empty opts */
1970 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1971 }
1972 qemu_opt_set(opts, "driver", "virtio-balloon");
1973 return 0;
1974 }
1975
1976 return -1;
1977}
1978
1979char *qemu_find_file(int type, const char *name)
1980{
1981 int len;
1982 const char *subdir;
1983 char *buf;
1984
1985 /* Try the name as a straight path first */
1986 if (access(name, R_OK) == 0) {
1987 return g_strdup(name);
1988 }
1989 switch (type) {
1990 case QEMU_FILE_TYPE_BIOS:
1991 subdir = "";
1992 break;
1993 case QEMU_FILE_TYPE_KEYMAP:
1994 subdir = "keymaps/";
1995 break;
1996 default:
1997 abort();
1998 }
1999 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2000 buf = g_malloc0(len);
2001 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2002 if (access(buf, R_OK)) {
2003 g_free(buf);
2004 return NULL;
2005 }
2006 return buf;
2007}
2008
2009static int device_help_func(QemuOpts *opts, void *opaque)
2010{
2011 return qdev_device_help(opts);
2012}
2013
2014static int device_init_func(QemuOpts *opts, void *opaque)
2015{
2016 DeviceState *dev;
2017
2018 dev = qdev_device_add(opts);
2019 if (!dev)
2020 return -1;
2021 return 0;
2022}
2023
2024static int chardev_init_func(QemuOpts *opts, void *opaque)
2025{
2026 CharDriverState *chr;
2027
2028 chr = qemu_chr_new_from_opts(opts, NULL);
2029 if (!chr)
2030 return -1;
2031 return 0;
2032}
2033
2034#ifdef CONFIG_VIRTFS
2035static int fsdev_init_func(QemuOpts *opts, void *opaque)
2036{
2037 int ret;
2038 ret = qemu_fsdev_add(opts);
2039
2040 return ret;
2041}
2042#endif
2043
2044static int mon_init_func(QemuOpts *opts, void *opaque)
2045{
2046 CharDriverState *chr;
2047 const char *chardev;
2048 const char *mode;
2049 int flags;
2050
2051 mode = qemu_opt_get(opts, "mode");
2052 if (mode == NULL) {
2053 mode = "readline";
2054 }
2055 if (strcmp(mode, "readline") == 0) {
2056 flags = MONITOR_USE_READLINE;
2057 } else if (strcmp(mode, "control") == 0) {
2058 flags = MONITOR_USE_CONTROL;
2059 } else {
2060 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2061 exit(1);
2062 }
2063
2064 if (qemu_opt_get_bool(opts, "pretty", 0))
2065 flags |= MONITOR_USE_PRETTY;
2066
2067 if (qemu_opt_get_bool(opts, "default", 0))
2068 flags |= MONITOR_IS_DEFAULT;
2069
2070 chardev = qemu_opt_get(opts, "chardev");
2071 chr = qemu_chr_find(chardev);
2072 if (chr == NULL) {
2073 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2074 exit(1);
2075 }
2076
2077 monitor_init(chr, flags);
2078 return 0;
2079}
2080
2081static void monitor_parse(const char *optarg, const char *mode)
2082{
2083 static int monitor_device_index = 0;
2084 QemuOpts *opts;
2085 const char *p;
2086 char label[32];
2087 int def = 0;
2088
2089 if (strstart(optarg, "chardev:", &p)) {
2090 snprintf(label, sizeof(label), "%s", p);
2091 } else {
2092 snprintf(label, sizeof(label), "compat_monitor%d",
2093 monitor_device_index);
2094 if (monitor_device_index == 0) {
2095 def = 1;
2096 }
2097 opts = qemu_chr_parse_compat(label, optarg);
2098 if (!opts) {
2099 fprintf(stderr, "parse error: %s\n", optarg);
2100 exit(1);
2101 }
2102 }
2103
2104 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2105 if (!opts) {
2106 fprintf(stderr, "duplicate chardev: %s\n", label);
2107 exit(1);
2108 }
2109 qemu_opt_set(opts, "mode", mode);
2110 qemu_opt_set(opts, "chardev", label);
2111 if (def)
2112 qemu_opt_set(opts, "default", "on");
2113 monitor_device_index++;
2114}
2115
2116struct device_config {
2117 enum {
2118 DEV_USB, /* -usbdevice */
2119 DEV_BT, /* -bt */
2120 DEV_SERIAL, /* -serial */
2121 DEV_PARALLEL, /* -parallel */
2122 DEV_VIRTCON, /* -virtioconsole */
2123 DEV_DEBUGCON, /* -debugcon */
2124 DEV_GDB, /* -gdb, -s */
2125 } type;
2126 const char *cmdline;
2127 Location loc;
2128 QTAILQ_ENTRY(device_config) next;
2129};
2130QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2131
2132static void add_device_config(int type, const char *cmdline)
2133{
2134 struct device_config *conf;
2135
2136 conf = g_malloc0(sizeof(*conf));
2137 conf->type = type;
2138 conf->cmdline = cmdline;
2139 loc_save(&conf->loc);
2140 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2141}
2142
2143static int foreach_device_config(int type, int (*func)(const char *cmdline))
2144{
2145 struct device_config *conf;
2146 int rc;
2147
2148 QTAILQ_FOREACH(conf, &device_configs, next) {
2149 if (conf->type != type)
2150 continue;
2151 loc_push_restore(&conf->loc);
2152 rc = func(conf->cmdline);
2153 loc_pop(&conf->loc);
2154 if (0 != rc)
2155 return rc;
2156 }
2157 return 0;
2158}
2159
2160static int serial_parse(const char *devname)
2161{
2162 static int index = 0;
2163 char label[32];
2164
2165 if (strcmp(devname, "none") == 0)
2166 return 0;
2167 if (index == MAX_SERIAL_PORTS) {
2168 fprintf(stderr, "qemu: too many serial ports\n");
2169 exit(1);
2170 }
2171 snprintf(label, sizeof(label), "serial%d", index);
2172 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2173 if (!serial_hds[index]) {
2174 fprintf(stderr, "qemu: could not connect serial device"
2175 " to character backend '%s'\n", devname);
2176 return -1;
2177 }
2178 index++;
2179 return 0;
2180}
2181
2182static int parallel_parse(const char *devname)
2183{
2184 static int index = 0;
2185 char label[32];
2186
2187 if (strcmp(devname, "none") == 0)
2188 return 0;
2189 if (index == MAX_PARALLEL_PORTS) {
2190 fprintf(stderr, "qemu: too many parallel ports\n");
2191 exit(1);
2192 }
2193 snprintf(label, sizeof(label), "parallel%d", index);
2194 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2195 if (!parallel_hds[index]) {
2196 fprintf(stderr, "qemu: could not connect parallel device"
2197 " to character backend '%s'\n", devname);
2198 return -1;
2199 }
2200 index++;
2201 return 0;
2202}
2203
2204static int virtcon_parse(const char *devname)
2205{
2206 QemuOptsList *device = qemu_find_opts("device");
2207 static int index = 0;
2208 char label[32];
2209 QemuOpts *bus_opts, *dev_opts;
2210
2211 if (strcmp(devname, "none") == 0)
2212 return 0;
2213 if (index == MAX_VIRTIO_CONSOLES) {
2214 fprintf(stderr, "qemu: too many virtio consoles\n");
2215 exit(1);
2216 }
2217
2218 bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2219 if (arch_type == QEMU_ARCH_S390X) {
2220 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2221 } else {
2222 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2223 }
2224
2225 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2226 qemu_opt_set(dev_opts, "driver", "virtconsole");
2227
2228 snprintf(label, sizeof(label), "virtcon%d", index);
2229 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2230 if (!virtcon_hds[index]) {
2231 fprintf(stderr, "qemu: could not connect virtio console"
2232 " to character backend '%s'\n", devname);
2233 return -1;
2234 }
2235 qemu_opt_set(dev_opts, "chardev", label);
2236
2237 index++;
2238 return 0;
2239}
2240
2241static int debugcon_parse(const char *devname)
2242{
2243 QemuOpts *opts;
2244
2245 if (!qemu_chr_new("debugcon", devname, NULL)) {
2246 exit(1);
2247 }
2248 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2249 if (!opts) {
2250 fprintf(stderr, "qemu: already have a debugcon device\n");
2251 exit(1);
2252 }
2253 qemu_opt_set(opts, "driver", "isa-debugcon");
2254 qemu_opt_set(opts, "chardev", "debugcon");
2255 return 0;
2256}
2257
2258static QEMUMachine *machine_parse(const char *name)
2259{
2260 QEMUMachine *m, *machine = NULL;
2261
2262 if (name) {
2263 machine = find_machine(name);
2264 }
2265 if (machine) {
2266 return machine;
2267 }
2268 printf("Supported machines are:\n");
2269 for (m = first_machine; m != NULL; m = m->next) {
2270 if (m->alias) {
2271 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2272 }
2273 printf("%-20s %s%s\n", m->name, m->desc,
2274 m->is_default ? " (default)" : "");
2275 }
2276 exit(!name || !is_help_option(name));
2277}
2278
2279static int tcg_init(void)
2280{
2281 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2282 return 0;
2283}
2284
2285static struct {
2286 const char *opt_name;
2287 const char *name;
2288 int (*available)(void);
2289 int (*init)(void);
2290 int *allowed;
2291} accel_list[] = {
2292 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2293 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2294 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2295 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2296};
2297
2298static int configure_accelerator(void)
2299{
2300 const char *p = NULL;
2301 char buf[10];
2302 int i, ret;
2303 bool accel_initialised = 0;
2304 bool init_failed = 0;
2305
2306 QemuOptsList *list = qemu_find_opts("machine");
2307 if (!QTAILQ_EMPTY(&list->head)) {
2308 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2309 }
2310
2311 if (p == NULL) {
2312 /* Use the default "accelerator", tcg */
2313 p = "tcg";
2314 }
2315
2316 while (!accel_initialised && *p != '\0') {
2317 if (*p == ':') {
2318 p++;
2319 }
2320 p = get_opt_name(buf, sizeof (buf), p, ':');
2321 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2322 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2323 *(accel_list[i].allowed) = 1;
2324 ret = accel_list[i].init();
2325 if (ret < 0) {
2326 init_failed = 1;
2327 if (!accel_list[i].available()) {
2328 printf("%s not supported for this target\n",
2329 accel_list[i].name);
2330 } else {
2331 fprintf(stderr, "failed to initialize %s: %s\n",
2332 accel_list[i].name,
2333 strerror(-ret));
2334 }
2335 *(accel_list[i].allowed) = 0;
2336 } else {
2337 accel_initialised = 1;
2338 }
2339 break;
2340 }
2341 }
2342 if (i == ARRAY_SIZE(accel_list)) {
2343 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2344 }
2345 }
2346
2347 if (!accel_initialised) {
2348 fprintf(stderr, "No accelerator found!\n");
2349 exit(1);
2350 }
2351
2352 if (init_failed) {
2353 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2354 }
2355
2356 return !accel_initialised;
2357}
2358
2359void qemu_add_exit_notifier(Notifier *notify)
2360{
2361 notifier_list_add(&exit_notifiers, notify);
2362}
2363
2364void qemu_remove_exit_notifier(Notifier *notify)
2365{
2366 notifier_remove(notify);
2367}
2368
2369static void qemu_run_exit_notifiers(void)
2370{
2371 notifier_list_notify(&exit_notifiers, NULL);
2372}
2373
2374void qemu_add_machine_init_done_notifier(Notifier *notify)
2375{
2376 notifier_list_add(&machine_init_done_notifiers, notify);
2377}
2378
2379static void qemu_run_machine_init_done_notifiers(void)
2380{
2381 notifier_list_notify(&machine_init_done_notifiers, NULL);
2382}
2383
2384static const QEMUOption *lookup_opt(int argc, char **argv,
2385 const char **poptarg, int *poptind)
2386{
2387 const QEMUOption *popt;
2388 int optind = *poptind;
2389 char *r = argv[optind];
2390 const char *optarg;
2391
2392 loc_set_cmdline(argv, optind, 1);
2393 optind++;
2394 /* Treat --foo the same as -foo. */
2395 if (r[1] == '-')
2396 r++;
2397 popt = qemu_options;
2398 for(;;) {
2399 if (!popt->name) {
2400 error_report("invalid option");
2401 exit(1);
2402 }
2403 if (!strcmp(popt->name, r + 1))
2404 break;
2405 popt++;
2406 }
2407 if (popt->flags & HAS_ARG) {
2408 if (optind >= argc) {
2409 error_report("requires an argument");
2410 exit(1);
2411 }
2412 optarg = argv[optind++];
2413 loc_set_cmdline(argv, optind - 2, 2);
2414 } else {
2415 optarg = NULL;
2416 }
2417
2418 *poptarg = optarg;
2419 *poptind = optind;
2420
2421 return popt;
2422}
2423
2424static gpointer malloc_and_trace(gsize n_bytes)
2425{
2426 void *ptr = malloc(n_bytes);
2427 trace_g_malloc(n_bytes, ptr);
2428 return ptr;
2429}
2430
2431static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2432{
2433 void *ptr = realloc(mem, n_bytes);
2434 trace_g_realloc(mem, n_bytes, ptr);
2435 return ptr;
2436}
2437
2438static void free_and_trace(gpointer mem)
2439{
2440 trace_g_free(mem);
2441 free(mem);
2442}
2443
2444int qemu_init_main_loop(void)
2445{
2446 return main_loop_init();
2447}
2448
2449int main(int argc, char **argv, char **envp)
2450{
2451 int i;
2452 int snapshot, linux_boot;
2453 const char *icount_option = NULL;
2454 const char *initrd_filename;
2455 const char *kernel_filename, *kernel_cmdline;
2456 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2457 DisplayState *ds;
2458 DisplayChangeListener *dcl;
2459 int cyls, heads, secs, translation;
2460 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2461 QemuOptsList *olist;
2462 int optind;
2463 const char *optarg;
2464 const char *loadvm = NULL;
2465 QEMUMachine *machine;
2466 const char *cpu_model;
2467 const char *vga_model = "none";
2468 const char *pid_file = NULL;
2469 const char *incoming = NULL;
2470#ifdef CONFIG_VNC
2471 int show_vnc_port = 0;
2472#endif
2473 bool defconfig = true;
2474 bool userconfig = true;
2475 const char *log_mask = NULL;
2476 const char *log_file = NULL;
2477 GMemVTable mem_trace = {
2478 .malloc = malloc_and_trace,
2479 .realloc = realloc_and_trace,
2480 .free = free_and_trace,
2481 };
2482 const char *trace_events = NULL;
2483 const char *trace_file = NULL;
2484
2485 atexit(qemu_run_exit_notifiers);
2486 error_set_progname(argv[0]);
2487
2488 g_mem_set_vtable(&mem_trace);
2489 if (!g_thread_supported()) {
2490#if !GLIB_CHECK_VERSION(2, 31, 0)
2491 g_thread_init(NULL);
2492#else
2493 fprintf(stderr, "glib threading failed to initialize.\n");
2494 exit(1);
2495#endif
2496 }
2497
2498 module_call_init(MODULE_INIT_QOM);
2499
2500 runstate_init();
2501
2502 init_clocks();
2503 rtc_clock = host_clock;
2504
2505 qemu_cache_utils_init(envp);
2506
2507 QLIST_INIT (&vm_change_state_head);
2508 os_setup_early_signal_handling();
2509
2510 module_call_init(MODULE_INIT_MACHINE);
2511 machine = find_default_machine();
2512 cpu_model = NULL;
2513 ram_size = 0;
2514 snapshot = 0;
2515 cyls = heads = secs = 0;
2516 translation = BIOS_ATA_TRANSLATION_AUTO;
2517
2518 for (i = 0; i < MAX_NODES; i++) {
2519 node_mem[i] = 0;
2520 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2521 }
2522
2523 nb_numa_nodes = 0;
2524 nb_nics = 0;
2525
2526 autostart= 1;
2527
2528 /* first pass of option parsing */
2529 optind = 1;
2530 while (optind < argc) {
2531 if (argv[optind][0] != '-') {
2532 /* disk image */
2533 optind++;
2534 continue;
2535 } else {
2536 const QEMUOption *popt;
2537
2538 popt = lookup_opt(argc, argv, &optarg, &optind);
2539 switch (popt->index) {
2540 case QEMU_OPTION_nodefconfig:
2541 defconfig = false;
2542 break;
2543 case QEMU_OPTION_nouserconfig:
2544 userconfig = false;
2545 break;
2546 }
2547 }
2548 }
2549
2550 if (defconfig) {
2551 int ret;
2552 ret = qemu_read_default_config_files(userconfig);
2553 if (ret < 0) {
2554 exit(1);
2555 }
2556 }
2557
2558 /* second pass of option parsing */
2559 optind = 1;
2560 for(;;) {
2561 if (optind >= argc)
2562 break;
2563 if (argv[optind][0] != '-') {
2564 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2565 } else {
2566 const QEMUOption *popt;
2567
2568 popt = lookup_opt(argc, argv, &optarg, &optind);
2569 if (!(popt->arch_mask & arch_type)) {
2570 printf("Option %s not supported for this target\n", popt->name);
2571 exit(1);
2572 }
2573 switch(popt->index) {
2574 case QEMU_OPTION_M:
2575 machine = machine_parse(optarg);
2576 break;
2577 case QEMU_OPTION_no_kvm_irqchip: {
2578 olist = qemu_find_opts("machine");
2579 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2580 break;
2581 }
2582 case QEMU_OPTION_cpu:
2583 /* hw initialization will check this */
2584 cpu_model = optarg;
2585 break;
2586 case QEMU_OPTION_hda:
2587 {
2588 char buf[256];
2589 if (cyls == 0)
2590 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2591 else
2592 snprintf(buf, sizeof(buf),
2593 "%s,cyls=%d,heads=%d,secs=%d%s",
2594 HD_OPTS , cyls, heads, secs,
2595 translation == BIOS_ATA_TRANSLATION_LBA ?
2596 ",trans=lba" :
2597 translation == BIOS_ATA_TRANSLATION_NONE ?
2598 ",trans=none" : "");
2599 drive_add(IF_DEFAULT, 0, optarg, buf);
2600 break;
2601 }
2602 case QEMU_OPTION_hdb:
2603 case QEMU_OPTION_hdc:
2604 case QEMU_OPTION_hdd:
2605 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2606 HD_OPTS);
2607 break;
2608 case QEMU_OPTION_drive:
2609 if (drive_def(optarg) == NULL) {
2610 exit(1);
2611 }
2612 break;
2613 case QEMU_OPTION_set:
2614 if (qemu_set_option(optarg) != 0)
2615 exit(1);
2616 break;
2617 case QEMU_OPTION_global:
2618 if (qemu_global_option(optarg) != 0)
2619 exit(1);
2620 break;
2621 case QEMU_OPTION_mtdblock:
2622 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2623 break;
2624 case QEMU_OPTION_sd:
2625 drive_add(IF_SD, 0, optarg, SD_OPTS);
2626 break;
2627 case QEMU_OPTION_pflash:
2628 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2629 break;
2630 case QEMU_OPTION_snapshot:
2631 snapshot = 1;
2632 break;
2633 case QEMU_OPTION_hdachs:
2634 {
2635 const char *p;
2636 p = optarg;
2637 cyls = strtol(p, (char **)&p, 0);
2638 if (cyls < 1 || cyls > 16383)
2639 goto chs_fail;
2640 if (*p != ',')
2641 goto chs_fail;
2642 p++;
2643 heads = strtol(p, (char **)&p, 0);
2644 if (heads < 1 || heads > 16)
2645 goto chs_fail;
2646 if (*p != ',')
2647 goto chs_fail;
2648 p++;
2649 secs = strtol(p, (char **)&p, 0);
2650 if (secs < 1 || secs > 63)
2651 goto chs_fail;
2652 if (*p == ',') {
2653 p++;
2654 if (!strcmp(p, "none"))
2655 translation = BIOS_ATA_TRANSLATION_NONE;
2656 else if (!strcmp(p, "lba"))
2657 translation = BIOS_ATA_TRANSLATION_LBA;
2658 else if (!strcmp(p, "auto"))
2659 translation = BIOS_ATA_TRANSLATION_AUTO;
2660 else
2661 goto chs_fail;
2662 } else if (*p != '\0') {
2663 chs_fail:
2664 fprintf(stderr, "qemu: invalid physical CHS format\n");
2665 exit(1);
2666 }
2667 if (hda_opts != NULL) {
2668 char num[16];
2669 snprintf(num, sizeof(num), "%d", cyls);
2670 qemu_opt_set(hda_opts, "cyls", num);
2671 snprintf(num, sizeof(num), "%d", heads);
2672 qemu_opt_set(hda_opts, "heads", num);
2673 snprintf(num, sizeof(num), "%d", secs);
2674 qemu_opt_set(hda_opts, "secs", num);
2675 if (translation == BIOS_ATA_TRANSLATION_LBA)
2676 qemu_opt_set(hda_opts, "trans", "lba");
2677 if (translation == BIOS_ATA_TRANSLATION_NONE)
2678 qemu_opt_set(hda_opts, "trans", "none");
2679 }
2680 }
2681 break;
2682 case QEMU_OPTION_numa:
2683 if (nb_numa_nodes >= MAX_NODES) {
2684 fprintf(stderr, "qemu: too many NUMA nodes\n");
2685 exit(1);
2686 }
2687 numa_add(optarg);
2688 break;
2689 case QEMU_OPTION_display:
2690 display_type = select_display(optarg);
2691 break;
2692 case QEMU_OPTION_nographic:
2693 display_type = DT_NOGRAPHIC;
2694 break;
2695 case QEMU_OPTION_curses:
2696#ifdef CONFIG_CURSES
2697 display_type = DT_CURSES;
2698#else
2699 fprintf(stderr, "Curses support is disabled\n");
2700 exit(1);
2701#endif
2702 break;
2703 case QEMU_OPTION_portrait:
2704 graphic_rotate = 90;
2705 break;
2706 case QEMU_OPTION_rotate:
2707 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2708 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2709 graphic_rotate != 180 && graphic_rotate != 270) {
2710 fprintf(stderr,
2711 "qemu: only 90, 180, 270 deg rotation is available\n");
2712 exit(1);
2713 }
2714 break;
2715 case QEMU_OPTION_kernel:
2716 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2717 break;
2718 case QEMU_OPTION_initrd:
2719 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2720 break;
2721 case QEMU_OPTION_append:
2722 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2723 break;
2724 case QEMU_OPTION_dtb:
2725 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2726 break;
2727 case QEMU_OPTION_cdrom:
2728 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2729 break;
2730 case QEMU_OPTION_boot:
2731 {
2732 static const char * const params[] = {
2733 "order", "once", "menu",
2734 "splash", "splash-time",
2735 "reboot-timeout", NULL
2736 };
2737 char buf[sizeof(boot_devices)];
2738 char *standard_boot_devices;
2739 int legacy = 0;
2740
2741 if (!strchr(optarg, '=')) {
2742 legacy = 1;
2743 pstrcpy(buf, sizeof(buf), optarg);
2744 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2745 fprintf(stderr,
2746 "qemu: unknown boot parameter '%s' in '%s'\n",
2747 buf, optarg);
2748 exit(1);
2749 }
2750
2751 if (legacy ||
2752 get_param_value(buf, sizeof(buf), "order", optarg)) {
2753 validate_bootdevices(buf);
2754 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2755 }
2756 if (!legacy) {
2757 if (get_param_value(buf, sizeof(buf),
2758 "once", optarg)) {
2759 validate_bootdevices(buf);
2760 standard_boot_devices = g_strdup(boot_devices);
2761 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2762 qemu_register_reset(restore_boot_devices,
2763 standard_boot_devices);
2764 }
2765 if (get_param_value(buf, sizeof(buf),
2766 "menu", optarg)) {
2767 if (!strcmp(buf, "on")) {
2768 boot_menu = 1;
2769 } else if (!strcmp(buf, "off")) {
2770 boot_menu = 0;
2771 } else {
2772 fprintf(stderr,
2773 "qemu: invalid option value '%s'\n",
2774 buf);
2775 exit(1);
2776 }
2777 }
2778 qemu_opts_parse(qemu_find_opts("boot-opts"),
2779 optarg, 0);
2780 }
2781 }
2782 break;
2783 case QEMU_OPTION_fda:
2784 case QEMU_OPTION_fdb:
2785 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2786 optarg, FD_OPTS);
2787 break;
2788 case QEMU_OPTION_no_fd_bootchk:
2789 fd_bootchk = 0;
2790 break;
2791 case QEMU_OPTION_netdev:
2792 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2793 exit(1);
2794 }
2795 break;
2796 case QEMU_OPTION_net:
2797 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2798 exit(1);
2799 }
2800 break;
2801#ifdef CONFIG_LIBISCSI
2802 case QEMU_OPTION_iscsi:
2803 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2804 if (!opts) {
2805 exit(1);
2806 }
2807 break;
2808#endif
2809#ifdef CONFIG_SLIRP
2810 case QEMU_OPTION_tftp:
2811 legacy_tftp_prefix = optarg;
2812 break;
2813 case QEMU_OPTION_bootp:
2814 legacy_bootp_filename = optarg;
2815 break;
2816 case QEMU_OPTION_redir:
2817 if (net_slirp_redir(optarg) < 0)
2818 exit(1);
2819 break;
2820#endif
2821 case QEMU_OPTION_bt:
2822 add_device_config(DEV_BT, optarg);
2823 break;
2824 case QEMU_OPTION_audio_help:
2825 if (!(audio_available())) {
2826 printf("Option %s not supported for this target\n", popt->name);
2827 exit(1);
2828 }
2829 AUD_help ();
2830 exit (0);
2831 break;
2832 case QEMU_OPTION_soundhw:
2833 if (!(audio_available())) {
2834 printf("Option %s not supported for this target\n", popt->name);
2835 exit(1);
2836 }
2837 select_soundhw (optarg);
2838 break;
2839 case QEMU_OPTION_h:
2840 help(0);
2841 break;
2842 case QEMU_OPTION_version:
2843 version();
2844 exit(0);
2845 break;
2846 case QEMU_OPTION_m: {
2847 int64_t value;
2848 uint64_t sz;
2849 char *end;
2850
2851 value = strtosz(optarg, &end);
2852 if (value < 0 || *end) {
2853 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2854 exit(1);
2855 }
2856 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2857 ram_size = sz;
2858 if (ram_size != sz) {
2859 fprintf(stderr, "qemu: ram size too large\n");
2860 exit(1);
2861 }
2862 break;
2863 }
2864 case QEMU_OPTION_mempath:
2865 mem_path = optarg;
2866 break;
2867#ifdef MAP_POPULATE
2868 case QEMU_OPTION_mem_prealloc:
2869 mem_prealloc = 1;
2870 break;
2871#endif
2872 case QEMU_OPTION_d:
2873 log_mask = optarg;
2874 break;
2875 case QEMU_OPTION_D:
2876 log_file = optarg;
2877 break;
2878 case QEMU_OPTION_s:
2879 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2880 break;
2881 case QEMU_OPTION_gdb:
2882 add_device_config(DEV_GDB, optarg);
2883 break;
2884 case QEMU_OPTION_L:
2885 data_dir = optarg;
2886 break;
2887 case QEMU_OPTION_bios:
2888 bios_name = optarg;
2889 break;
2890 case QEMU_OPTION_singlestep:
2891 singlestep = 1;
2892 break;
2893 case QEMU_OPTION_S:
2894 autostart = 0;
2895 break;
2896 case QEMU_OPTION_k:
2897 keyboard_layout = optarg;
2898 break;
2899 case QEMU_OPTION_localtime:
2900 rtc_utc = 0;
2901 break;
2902 case QEMU_OPTION_vga:
2903 vga_model = optarg;
2904 default_vga = 0;
2905 break;
2906 case QEMU_OPTION_g:
2907 {
2908 const char *p;
2909 int w, h, depth;
2910 p = optarg;
2911 w = strtol(p, (char **)&p, 10);
2912 if (w <= 0) {
2913 graphic_error:
2914 fprintf(stderr, "qemu: invalid resolution or depth\n");
2915 exit(1);
2916 }
2917 if (*p != 'x')
2918 goto graphic_error;
2919 p++;
2920 h = strtol(p, (char **)&p, 10);
2921 if (h <= 0)
2922 goto graphic_error;
2923 if (*p == 'x') {
2924 p++;
2925 depth = strtol(p, (char **)&p, 10);
2926 if (depth != 8 && depth != 15 && depth != 16 &&
2927 depth != 24 && depth != 32)
2928 goto graphic_error;
2929 } else if (*p == '\0') {
2930 depth = graphic_depth;
2931 } else {
2932 goto graphic_error;
2933 }
2934
2935 graphic_width = w;
2936 graphic_height = h;
2937 graphic_depth = depth;
2938 }
2939 break;
2940 case QEMU_OPTION_echr:
2941 {
2942 char *r;
2943 term_escape_char = strtol(optarg, &r, 0);
2944 if (r == optarg)
2945 printf("Bad argument to echr\n");
2946 break;
2947 }
2948 case QEMU_OPTION_monitor:
2949 monitor_parse(optarg, "readline");
2950 default_monitor = 0;
2951 break;
2952 case QEMU_OPTION_qmp:
2953 monitor_parse(optarg, "control");
2954 default_monitor = 0;
2955 break;
2956 case QEMU_OPTION_mon:
2957 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2958 if (!opts) {
2959 exit(1);
2960 }
2961 default_monitor = 0;
2962 break;
2963 case QEMU_OPTION_chardev:
2964 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2965 if (!opts) {
2966 exit(1);
2967 }
2968 break;
2969 case QEMU_OPTION_fsdev:
2970 olist = qemu_find_opts("fsdev");
2971 if (!olist) {
2972 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2973 exit(1);
2974 }
2975 opts = qemu_opts_parse(olist, optarg, 1);
2976 if (!opts) {
2977 fprintf(stderr, "parse error: %s\n", optarg);
2978 exit(1);
2979 }
2980 break;
2981 case QEMU_OPTION_virtfs: {
2982 QemuOpts *fsdev;
2983 QemuOpts *device;
2984 const char *writeout, *sock_fd, *socket;
2985
2986 olist = qemu_find_opts("virtfs");
2987 if (!olist) {
2988 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2989 exit(1);
2990 }
2991 opts = qemu_opts_parse(olist, optarg, 1);
2992 if (!opts) {
2993 fprintf(stderr, "parse error: %s\n", optarg);
2994 exit(1);
2995 }
2996
2997 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2998 qemu_opt_get(opts, "mount_tag") == NULL) {
2999 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3000 exit(1);
3001 }
3002 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3003 qemu_opt_get(opts, "mount_tag"),
3004 1, NULL);
3005 if (!fsdev) {
3006 fprintf(stderr, "duplicate fsdev id: %s\n",
3007 qemu_opt_get(opts, "mount_tag"));
3008 exit(1);
3009 }
3010
3011 writeout = qemu_opt_get(opts, "writeout");
3012 if (writeout) {
3013#ifdef CONFIG_SYNC_FILE_RANGE
3014 qemu_opt_set(fsdev, "writeout", writeout);
3015#else
3016 fprintf(stderr, "writeout=immediate not supported on "
3017 "this platform\n");
3018 exit(1);
3019#endif
3020 }
3021 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3022 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3023 qemu_opt_set(fsdev, "security_model",
3024 qemu_opt_get(opts, "security_model"));
3025 socket = qemu_opt_get(opts, "socket");
3026 if (socket) {
3027 qemu_opt_set(fsdev, "socket", socket);
3028 }
3029 sock_fd = qemu_opt_get(opts, "sock_fd");
3030 if (sock_fd) {
3031 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3032 }
3033
3034 qemu_opt_set_bool(fsdev, "readonly",
3035 qemu_opt_get_bool(opts, "readonly", 0));
3036 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3037 NULL);
3038 qemu_opt_set(device, "driver", "virtio-9p-pci");
3039 qemu_opt_set(device, "fsdev",
3040 qemu_opt_get(opts, "mount_tag"));
3041 qemu_opt_set(device, "mount_tag",
3042 qemu_opt_get(opts, "mount_tag"));
3043 break;
3044 }
3045 case QEMU_OPTION_virtfs_synth: {
3046 QemuOpts *fsdev;
3047 QemuOpts *device;
3048
3049 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3050 1, NULL);
3051 if (!fsdev) {
3052 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3053 exit(1);
3054 }
3055 qemu_opt_set(fsdev, "fsdriver", "synth");
3056
3057 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3058 NULL);
3059 qemu_opt_set(device, "driver", "virtio-9p-pci");
3060 qemu_opt_set(device, "fsdev", "v_synth");
3061 qemu_opt_set(device, "mount_tag", "v_synth");
3062 break;
3063 }
3064 case QEMU_OPTION_serial:
3065 add_device_config(DEV_SERIAL, optarg);
3066 default_serial = 0;
3067 if (strncmp(optarg, "mon:", 4) == 0) {
3068 default_monitor = 0;
3069 }
3070 break;
3071 case QEMU_OPTION_watchdog:
3072 if (watchdog) {
3073 fprintf(stderr,
3074 "qemu: only one watchdog option may be given\n");
3075 return 1;
3076 }
3077 watchdog = optarg;
3078 break;
3079 case QEMU_OPTION_watchdog_action:
3080 if (select_watchdog_action(optarg) == -1) {
3081 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3082 exit(1);
3083 }
3084 break;
3085 case QEMU_OPTION_virtiocon:
3086 add_device_config(DEV_VIRTCON, optarg);
3087 default_virtcon = 0;
3088 if (strncmp(optarg, "mon:", 4) == 0) {
3089 default_monitor = 0;
3090 }
3091 break;
3092 case QEMU_OPTION_parallel:
3093 add_device_config(DEV_PARALLEL, optarg);
3094 default_parallel = 0;
3095 if (strncmp(optarg, "mon:", 4) == 0) {
3096 default_monitor = 0;
3097 }
3098 break;
3099 case QEMU_OPTION_debugcon:
3100 add_device_config(DEV_DEBUGCON, optarg);
3101 break;
3102 case QEMU_OPTION_loadvm:
3103 loadvm = optarg;
3104 break;
3105 case QEMU_OPTION_full_screen:
3106 full_screen = 1;
3107 break;
3108#ifdef CONFIG_SDL
3109 case QEMU_OPTION_no_frame:
3110 no_frame = 1;
3111 break;
3112 case QEMU_OPTION_alt_grab:
3113 alt_grab = 1;
3114 break;
3115 case QEMU_OPTION_ctrl_grab:
3116 ctrl_grab = 1;
3117 break;
3118 case QEMU_OPTION_no_quit:
3119 no_quit = 1;
3120 break;
3121 case QEMU_OPTION_sdl:
3122 display_type = DT_SDL;
3123 break;
3124#else
3125 case QEMU_OPTION_no_frame:
3126 case QEMU_OPTION_alt_grab:
3127 case QEMU_OPTION_ctrl_grab:
3128 case QEMU_OPTION_no_quit:
3129 case QEMU_OPTION_sdl:
3130 fprintf(stderr, "SDL support is disabled\n");
3131 exit(1);
3132#endif
3133 case QEMU_OPTION_pidfile:
3134 pid_file = optarg;
3135 break;
3136 case QEMU_OPTION_win2k_hack:
3137 win2k_install_hack = 1;
3138 break;
3139 case QEMU_OPTION_rtc_td_hack: {
3140 static GlobalProperty slew_lost_ticks[] = {
3141 {
3142 .driver = "mc146818rtc",
3143 .property = "lost_tick_policy",
3144 .value = "slew",
3145 },
3146 { /* end of list */ }
3147 };
3148
3149 qdev_prop_register_global_list(slew_lost_ticks);
3150 break;
3151 }
3152 case QEMU_OPTION_acpitable:
3153 do_acpitable_option(optarg);
3154 break;
3155 case QEMU_OPTION_smbios:
3156 do_smbios_option(optarg);
3157 break;
3158 case QEMU_OPTION_enable_kvm:
3159 olist = qemu_find_opts("machine");
3160 qemu_opts_parse(olist, "accel=kvm", 0);
3161 break;
3162 case QEMU_OPTION_machine:
3163 olist = qemu_find_opts("machine");
3164 opts = qemu_opts_parse(olist, optarg, 1);
3165 if (!opts) {
3166 fprintf(stderr, "parse error: %s\n", optarg);
3167 exit(1);
3168 }
3169 optarg = qemu_opt_get(opts, "type");
3170 if (optarg) {
3171 machine = machine_parse(optarg);
3172 }
3173 break;
3174 case QEMU_OPTION_no_kvm_pit: {
3175 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3176 "separately.\n");
3177 break;
3178 }
3179 case QEMU_OPTION_no_kvm_pit_reinjection: {
3180 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3181 {
3182 .driver = "kvm-pit",
3183 .property = "lost_tick_policy",
3184 .value = "discard",
3185 },
3186 { /* end of list */ }
3187 };
3188
3189 fprintf(stderr, "Warning: option deprecated, use "
3190 "lost_tick_policy property of kvm-pit instead.\n");
3191 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3192 break;
3193 }
3194 case QEMU_OPTION_usb:
3195 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3196 if (machine_opts) {
3197 qemu_opt_set_bool(machine_opts, "usb", true);
3198 }
3199 break;
3200 case QEMU_OPTION_usbdevice:
3201 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3202 if (machine_opts) {
3203 qemu_opt_set_bool(machine_opts, "usb", true);
3204 }
3205 add_device_config(DEV_USB, optarg);
3206 break;
3207 case QEMU_OPTION_device:
3208 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3209 exit(1);
3210 }
3211 break;
3212 case QEMU_OPTION_smp:
3213 smp_parse(optarg);
3214 if (smp_cpus < 1) {
3215 fprintf(stderr, "Invalid number of CPUs\n");
3216 exit(1);
3217 }
3218 if (max_cpus < smp_cpus) {
3219 fprintf(stderr, "maxcpus must be equal to or greater than "
3220 "smp\n");
3221 exit(1);
3222 }
3223 if (max_cpus > 255) {
3224 fprintf(stderr, "Unsupported number of maxcpus\n");
3225 exit(1);
3226 }
3227 break;
3228 case QEMU_OPTION_vnc:
3229#ifdef CONFIG_VNC
3230 display_remote++;
3231 vnc_display = optarg;
3232#else
3233 fprintf(stderr, "VNC support is disabled\n");
3234 exit(1);
3235#endif
3236 break;
3237 case QEMU_OPTION_no_acpi:
3238 acpi_enabled = 0;
3239 break;
3240 case QEMU_OPTION_no_hpet:
3241 no_hpet = 1;
3242 break;
3243 case QEMU_OPTION_balloon:
3244 if (balloon_parse(optarg) < 0) {
3245 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3246 exit(1);
3247 }
3248 break;
3249 case QEMU_OPTION_no_reboot:
3250 no_reboot = 1;
3251 break;
3252 case QEMU_OPTION_no_shutdown:
3253 no_shutdown = 1;
3254 break;
3255 case QEMU_OPTION_show_cursor:
3256 cursor_hide = 0;
3257 break;
3258 case QEMU_OPTION_uuid:
3259 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3260 fprintf(stderr, "Fail to parse UUID string."
3261 " Wrong format.\n");
3262 exit(1);
3263 }
3264 break;
3265 case QEMU_OPTION_option_rom:
3266 if (nb_option_roms >= MAX_OPTION_ROMS) {
3267 fprintf(stderr, "Too many option ROMs\n");
3268 exit(1);
3269 }
3270 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3271 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3272 option_rom[nb_option_roms].bootindex =
3273 qemu_opt_get_number(opts, "bootindex", -1);
3274 if (!option_rom[nb_option_roms].name) {
3275 fprintf(stderr, "Option ROM file is not specified\n");
3276 exit(1);
3277 }
3278 nb_option_roms++;
3279 break;
3280 case QEMU_OPTION_semihosting:
3281 semihosting_enabled = 1;
3282 break;
3283 case QEMU_OPTION_name:
3284 qemu_name = g_strdup(optarg);
3285 {
3286 char *p = strchr(qemu_name, ',');
3287 if (p != NULL) {
3288 *p++ = 0;
3289 if (strncmp(p, "process=", 8)) {
3290 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3291 exit(1);
3292 }
3293 p += 8;
3294 os_set_proc_name(p);
3295 }
3296 }
3297 break;
3298 case QEMU_OPTION_prom_env:
3299 if (nb_prom_envs >= MAX_PROM_ENVS) {
3300 fprintf(stderr, "Too many prom variables\n");
3301 exit(1);
3302 }
3303 prom_envs[nb_prom_envs] = optarg;
3304 nb_prom_envs++;
3305 break;
3306 case QEMU_OPTION_old_param:
3307 old_param = 1;
3308 break;
3309 case QEMU_OPTION_clock:
3310 configure_alarms(optarg);
3311 break;
3312 case QEMU_OPTION_startdate:
3313 configure_rtc_date_offset(optarg, 1);
3314 break;
3315 case QEMU_OPTION_rtc:
3316 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3317 if (!opts) {
3318 exit(1);
3319 }
3320 configure_rtc(opts);
3321 break;
3322 case QEMU_OPTION_tb_size:
3323 tcg_tb_size = strtol(optarg, NULL, 0);
3324 if (tcg_tb_size < 0) {
3325 tcg_tb_size = 0;
3326 }
3327 break;
3328 case QEMU_OPTION_icount:
3329 icount_option = optarg;
3330 break;
3331 case QEMU_OPTION_incoming:
3332 incoming = optarg;
3333 runstate_set(RUN_STATE_INMIGRATE);
3334 break;
3335 case QEMU_OPTION_nodefaults:
3336 default_serial = 0;
3337 default_parallel = 0;
3338 default_virtcon = 0;
3339 default_monitor = 0;
3340 default_net = 0;
3341 default_floppy = 0;
3342 default_cdrom = 0;
3343 default_sdcard = 0;
3344 default_vga = 0;
3345 break;
3346 case QEMU_OPTION_xen_domid:
3347 if (!(xen_available())) {
3348 printf("Option %s not supported for this target\n", popt->name);
3349 exit(1);
3350 }
3351 xen_domid = atoi(optarg);
3352 break;
3353 case QEMU_OPTION_xen_create:
3354 if (!(xen_available())) {
3355 printf("Option %s not supported for this target\n", popt->name);
3356 exit(1);
3357 }
3358 xen_mode = XEN_CREATE;
3359 break;
3360 case QEMU_OPTION_xen_attach:
3361 if (!(xen_available())) {
3362 printf("Option %s not supported for this target\n", popt->name);
3363 exit(1);
3364 }
3365 xen_mode = XEN_ATTACH;
3366 break;
3367 case QEMU_OPTION_trace:
3368 {
3369 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3370 if (!opts) {
3371 exit(1);
3372 }
3373 trace_events = qemu_opt_get(opts, "events");
3374 trace_file = qemu_opt_get(opts, "file");
3375 break;
3376 }
3377 case QEMU_OPTION_readconfig:
3378 {
3379 int ret = qemu_read_config_file(optarg);
3380 if (ret < 0) {
3381 fprintf(stderr, "read config %s: %s\n", optarg,
3382 strerror(-ret));
3383 exit(1);
3384 }
3385 break;
3386 }
3387 case QEMU_OPTION_spice:
3388 olist = qemu_find_opts("spice");
3389 if (!olist) {
3390 fprintf(stderr, "spice is not supported by this qemu build.\n");
3391 exit(1);
3392 }
3393 opts = qemu_opts_parse(olist, optarg, 0);
3394 if (!opts) {
3395 fprintf(stderr, "parse error: %s\n", optarg);
3396 exit(1);
3397 }
3398 break;
3399 case QEMU_OPTION_writeconfig:
3400 {
3401 FILE *fp;
3402 if (strcmp(optarg, "-") == 0) {
3403 fp = stdout;
3404 } else {
3405 fp = fopen(optarg, "w");
3406 if (fp == NULL) {
3407 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3408 exit(1);
3409 }
3410 }
3411 qemu_config_write(fp);
3412 fclose(fp);
3413 break;
3414 }
3415 case QEMU_OPTION_qtest:
3416 qtest_chrdev = optarg;
3417 break;
3418 case QEMU_OPTION_qtest_log:
3419 qtest_log = optarg;
3420 break;
3421 case QEMU_OPTION_sandbox:
3422 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3423 if (!opts) {
3424 exit(0);
3425 }
3426 break;
3427 case QEMU_OPTION_add_fd:
3428#ifndef _WIN32
3429 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3430 if (!opts) {
3431 exit(0);
3432 }
3433#else
3434 error_report("File descriptor passing is disabled on this "
3435 "platform");
3436 exit(1);
3437#endif
3438 break;
3439 default:
3440 os_parse_cmd_args(popt->index, optarg);
3441 }
3442 }
3443 }
3444 loc_set_none();
3445
3446 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3447 exit(1);
3448 }
3449
3450#ifndef _WIN32
3451 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3452 exit(1);
3453 }
3454
3455 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3456 exit(1);
3457 }
3458#endif
3459
3460 if (machine == NULL) {
3461 fprintf(stderr, "No machine found.\n");
3462 exit(1);
3463 }
3464
3465 if (machine->hw_version) {
3466 qemu_set_version(machine->hw_version);
3467 }
3468
3469 /* Init CPU def lists, based on config
3470 * - Must be called after all the qemu_read_config_file() calls
3471 * - Must be called before list_cpus()
3472 * - Must be called before machine->init()
3473 */
3474 cpudef_init();
3475
3476 if (cpu_model && is_help_option(cpu_model)) {
3477 list_cpus(stdout, &fprintf, cpu_model);
3478 exit(0);
3479 }
3480
3481 /* Open the logfile at this point, if necessary. We can't open the logfile
3482 * when encountering either of the logging options (-d or -D) because the
3483 * other one may be encountered later on the command line, changing the
3484 * location or level of logging.
3485 */
3486 if (log_mask) {
3487 if (log_file) {
3488 set_cpu_log_filename(log_file);
3489 }
3490 set_cpu_log(log_mask);
3491 }
3492
3493 if (!trace_backend_init(trace_events, trace_file)) {
3494 exit(1);
3495 }
3496
3497 /* If no data_dir is specified then try to find it relative to the
3498 executable path. */
3499 if (!data_dir) {
3500 data_dir = os_find_datadir(argv[0]);
3501 }
3502 /* If all else fails use the install path specified when building. */
3503 if (!data_dir) {
3504 data_dir = CONFIG_QEMU_DATADIR;
3505 }
3506
3507 /*
3508 * Default to max_cpus = smp_cpus, in case the user doesn't
3509 * specify a max_cpus value.
3510 */
3511 if (!max_cpus)
3512 max_cpus = smp_cpus;
3513
3514 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3515 if (smp_cpus > machine->max_cpus) {
3516 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3517 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3518 machine->max_cpus);
3519 exit(1);
3520 }
3521
3522 /*
3523 * Get the default machine options from the machine if it is not already
3524 * specified either by the configuration file or by the command line.
3525 */
3526 if (machine->default_machine_opts) {
3527 qemu_opts_set_defaults(qemu_find_opts("machine"),
3528 machine->default_machine_opts, 0);
3529 }
3530
3531 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3532 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3533
3534 if (machine->no_serial) {
3535 default_serial = 0;
3536 }
3537 if (machine->no_parallel) {
3538 default_parallel = 0;
3539 }
3540 if (!machine->use_virtcon) {
3541 default_virtcon = 0;
3542 }
3543 if (machine->no_floppy) {
3544 default_floppy = 0;
3545 }
3546 if (machine->no_cdrom) {
3547 default_cdrom = 0;
3548 }
3549 if (machine->no_sdcard) {
3550 default_sdcard = 0;
3551 }
3552
3553 if (display_type == DT_NOGRAPHIC) {
3554 if (default_parallel)
3555 add_device_config(DEV_PARALLEL, "null");
3556 if (default_serial && default_monitor) {
3557 add_device_config(DEV_SERIAL, "mon:stdio");
3558 } else if (default_virtcon && default_monitor) {
3559 add_device_config(DEV_VIRTCON, "mon:stdio");
3560 } else {
3561 if (default_serial)
3562 add_device_config(DEV_SERIAL, "stdio");
3563 if (default_virtcon)
3564 add_device_config(DEV_VIRTCON, "stdio");
3565 if (default_monitor)
3566 monitor_parse("stdio", "readline");
3567 }
3568 } else {
3569 if (default_serial)
3570 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3571 if (default_parallel)
3572 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3573 if (default_monitor)
3574 monitor_parse("vc:80Cx24C", "readline");
3575 if (default_virtcon)
3576 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3577 }
3578
3579 socket_init();
3580
3581 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3582 exit(1);
3583#ifdef CONFIG_VIRTFS
3584 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3585 exit(1);
3586 }
3587#endif
3588
3589 os_daemonize();
3590
3591 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3592 os_pidfile_error();
3593 exit(1);
3594 }
3595
3596 /* init the memory */
3597 if (ram_size == 0) {
3598 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3599 }
3600
3601 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3602 != 0) {
3603 exit(0);
3604 }
3605
3606 configure_accelerator();
3607
3608 qemu_init_cpu_loop();
3609 if (qemu_init_main_loop()) {
3610 fprintf(stderr, "qemu_init_main_loop failed\n");
3611 exit(1);
3612 }
3613
3614 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3615 if (machine_opts) {
3616 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3617 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3618 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3619 } else {
3620 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3621 }
3622
3623 if (!kernel_cmdline) {
3624 kernel_cmdline = "";
3625 }
3626
3627 linux_boot = (kernel_filename != NULL);
3628
3629 if (!linux_boot && *kernel_cmdline != '\0') {
3630 fprintf(stderr, "-append only allowed with -kernel option\n");
3631 exit(1);
3632 }
3633
3634 if (!linux_boot && initrd_filename != NULL) {
3635 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3636 exit(1);
3637 }
3638
3639 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3640 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3641 exit(1);
3642 }
3643
3644 os_set_line_buffering();
3645
3646 if (init_timer_alarm() < 0) {
3647 fprintf(stderr, "could not initialize alarm timer\n");
3648 exit(1);
3649 }
3650
3651#ifdef CONFIG_SPICE
3652 /* spice needs the timers to be initialized by this point */
3653 qemu_spice_init();
3654#endif
3655
3656 if (icount_option && (kvm_enabled() || xen_enabled())) {
3657 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3658 exit(1);
3659 }
3660 configure_icount(icount_option);
3661
3662 if (net_init_clients() < 0) {
3663 exit(1);
3664 }
3665
3666 /* init the bluetooth world */
3667 if (foreach_device_config(DEV_BT, bt_parse))
3668 exit(1);
3669
3670 if (!xen_enabled()) {
3671 /* On 32-bit hosts, QEMU is limited by virtual address space */
3672 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3673 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3674 exit(1);
3675 }
3676 }
3677
3678 cpu_exec_init_all();
3679
3680 bdrv_init_with_whitelist();
3681
3682 blk_mig_init();
3683
3684 /* open the virtual block devices */
3685 if (snapshot)
3686 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3687 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3688 exit(1);
3689
3690 default_drive(default_cdrom, snapshot, machine->use_scsi,
3691 IF_DEFAULT, 2, CDROM_OPTS);
3692 default_drive(default_floppy, snapshot, machine->use_scsi,
3693 IF_FLOPPY, 0, FD_OPTS);
3694 default_drive(default_sdcard, snapshot, machine->use_scsi,
3695 IF_SD, 0, SD_OPTS);
3696
3697 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3698
3699 if (nb_numa_nodes > 0) {
3700 int i;
3701
3702 if (nb_numa_nodes > MAX_NODES) {
3703 nb_numa_nodes = MAX_NODES;
3704 }
3705
3706 /* If no memory size if given for any node, assume the default case
3707 * and distribute the available memory equally across all nodes
3708 */
3709 for (i = 0; i < nb_numa_nodes; i++) {
3710 if (node_mem[i] != 0)
3711 break;
3712 }
3713 if (i == nb_numa_nodes) {
3714 uint64_t usedmem = 0;
3715
3716 /* On Linux, the each node's border has to be 8MB aligned,
3717 * the final node gets the rest.
3718 */
3719 for (i = 0; i < nb_numa_nodes - 1; i++) {
3720 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3721 usedmem += node_mem[i];
3722 }
3723 node_mem[i] = ram_size - usedmem;
3724 }
3725
3726 for (i = 0; i < nb_numa_nodes; i++) {
3727 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3728 break;
3729 }
3730 }
3731 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3732 * must cope with this anyway, because there are BIOSes out there in
3733 * real machines which also use this scheme.
3734 */
3735 if (i == nb_numa_nodes) {
3736 for (i = 0; i < max_cpus; i++) {
3737 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3738 }
3739 }
3740 }
3741
3742 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3743 exit(1);
3744 }
3745
3746 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3747 exit(1);
3748 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3749 exit(1);
3750 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3751 exit(1);
3752 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3753 exit(1);
3754
3755 /* If no default VGA is requested, the default is "none". */
3756 if (default_vga) {
3757 if (cirrus_vga_available()) {
3758 vga_model = "cirrus";
3759 } else if (vga_available()) {
3760 vga_model = "std";
3761 }
3762 }
3763 select_vgahw(vga_model);
3764
3765 if (watchdog) {
3766 i = select_watchdog(watchdog);
3767 if (i > 0)
3768 exit (i == 1 ? 1 : 0);
3769 }
3770
3771 if (machine->compat_props) {
3772 qdev_prop_register_global_list(machine->compat_props);
3773 }
3774 qemu_add_globals();
3775
3776 qdev_machine_init();
3777
3778 QEMUMachineInitArgs args = { .ram_size = ram_size,
3779 .boot_device = boot_devices,
3780 .kernel_filename = kernel_filename,
3781 .kernel_cmdline = kernel_cmdline,
3782 .initrd_filename = initrd_filename,
3783 .cpu_model = cpu_model };
3784 machine->init(&args);
3785
3786 cpu_synchronize_all_post_init();
3787
3788 set_numa_modes();
3789
3790 current_machine = machine;
3791
3792 /* init USB devices */
3793 if (usb_enabled(false)) {
3794 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3795 exit(1);
3796 }
3797
3798 /* init generic devices */
3799 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3800 exit(1);
3801
3802 net_check_clients();
3803
3804 /* just use the first displaystate for the moment */
3805 ds = get_displaystate();
3806
3807 if (using_spice)
3808 display_remote++;
3809 if (display_type == DT_DEFAULT && !display_remote) {
3810#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3811 display_type = DT_SDL;
3812#elif defined(CONFIG_VNC)
3813 vnc_display = "localhost:0,to=99";
3814 show_vnc_port = 1;
3815#else
3816 display_type = DT_NONE;
3817#endif
3818 }
3819
3820
3821 /* init local displays */
3822 switch (display_type) {
3823 case DT_NOGRAPHIC:
3824 break;
3825#if defined(CONFIG_CURSES)
3826 case DT_CURSES:
3827 if (!is_daemonized()) {
3828 curses_display_init(ds, full_screen);
3829 }
3830 break;
3831#endif
3832#if defined(CONFIG_SDL)
3833 case DT_SDL:
3834 sdl_display_init(ds, full_screen, no_frame);
3835 break;
3836#elif defined(CONFIG_COCOA)
3837 case DT_SDL:
3838 cocoa_display_init(ds, full_screen);
3839 break;
3840#endif
3841 default:
3842 break;
3843 }
3844
3845 /* must be after terminal init, SDL library changes signal handlers */
3846 os_setup_signal_handling();
3847
3848#ifdef CONFIG_VNC
3849 /* init remote displays */
3850 if (vnc_display) {
3851 Error *local_err = NULL;
3852 vnc_display_init(ds);
3853 vnc_display_open(ds, vnc_display, &local_err);
3854 if (local_err != NULL) {
3855 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
3856 vnc_display, error_get_pretty(local_err));
3857 error_free(local_err);
3858 exit(1);
3859 }
3860
3861 if (show_vnc_port) {
3862 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3863 }
3864 }
3865#endif
3866#ifdef CONFIG_SPICE
3867 if (using_spice && !qxl_enabled) {
3868 qemu_spice_display_init(ds);
3869 }
3870#endif
3871
3872 /* display setup */
3873 dpy_resize(ds);
3874 dcl = ds->listeners;
3875 while (dcl != NULL) {
3876 if (dcl->dpy_refresh != NULL) {
3877 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3878 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3879 break;
3880 }
3881 dcl = dcl->next;
3882 }
3883 text_consoles_set_display(ds);
3884
3885 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3886 exit(1);
3887 }
3888
3889 qdev_machine_creation_done();
3890
3891 if (rom_load_all() != 0) {
3892 fprintf(stderr, "rom loading failed\n");
3893 exit(1);
3894 }
3895
3896 /* TODO: once all bus devices are qdevified, this should be done
3897 * when bus is created by qdev.c */
3898 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3899 qemu_run_machine_init_done_notifiers();
3900
3901 qemu_system_reset(VMRESET_SILENT);
3902 if (loadvm) {
3903 if (load_vmstate(loadvm) < 0) {
3904 autostart = 0;
3905 }
3906 }
3907
3908 if (incoming) {
3909 Error *local_err = NULL;
3910 qemu_start_incoming_migration(incoming, &local_err);
3911 if (local_err) {
3912 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
3913 error_free(local_err);
3914 exit(1);
3915 }
3916 } else if (autostart) {
3917 vm_start();
3918 }
3919
3920 os_setup_post();
3921
3922 resume_all_vcpus();
3923 main_loop();
3924 bdrv_close_all();
3925 pause_all_vcpus();
3926 net_cleanup();
3927 res_free();
3928
3929 return 0;
3930}
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