xen: Enable cpu-hotplug on xenfv machine.
[qemu.git] / vl.c
blobe4113efbaa8724785df65ffc1bd71e1f3ced9f52
1 /*
2 * QEMU System Emulator
4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31 #include "qemu/bitmap.h"
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
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>
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>
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
65 #endif
67 #ifdef CONFIG_SECCOMP
68 #include "sysemu/seccomp.h"
69 #endif
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
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
102 return qemu_main(argc, argv, NULL);
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
114 #include <glib.h>
116 #include "hw/hw.h"
117 #include "hw/boards.h"
118 #include "hw/usb.h"
119 #include "hw/pcmcia.h"
120 #include "hw/i386/pc.h"
121 #include "hw/isa/isa.h"
122 #include "hw/bt.h"
123 #include "sysemu/watchdog.h"
124 #include "hw/i386/smbios.h"
125 #include "hw/xen/xen.h"
126 #include "hw/qdev.h"
127 #include "hw/loader.h"
128 #include "monitor/qdev.h"
129 #include "sysemu/bt.h"
130 #include "net/net.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "sysemu/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block/block.h"
141 #include "migration/block.h"
142 #include "sysemu/tpm.h"
143 #include "sysemu/dma.h"
144 #include "audio/audio.h"
145 #include "migration/migration.h"
146 #include "sysemu/kvm.h"
147 #include "qapi/qmp/qjson.h"
148 #include "qemu/option.h"
149 #include "qemu/config-file.h"
150 #include "qemu-options.h"
151 #include "qmp-commands.h"
152 #include "qemu/main-loop.h"
153 #ifdef CONFIG_VIRTFS
154 #include "fsdev/qemu-fsdev.h"
155 #endif
156 #include "sysemu/qtest.h"
158 #include "disas/disas.h"
160 #include "qemu/sockets.h"
162 #include "slirp/libslirp.h"
164 #include "trace.h"
165 #include "trace/control.h"
166 #include "qemu/queue.h"
167 #include "sysemu/cpus.h"
168 #include "sysemu/arch_init.h"
169 #include "qemu/osdep.h"
171 #include "ui/qemu-spice.h"
172 #include "qapi/string-input-visitor.h"
174 //#define DEBUG_NET
175 //#define DEBUG_SLIRP
177 #define DEFAULT_RAM_SIZE 128
179 #define MAX_VIRTIO_CONSOLES 1
180 #define MAX_SCLP_CONSOLES 1
182 static const char *data_dir[16];
183 static int data_dir_idx;
184 const char *bios_name = NULL;
185 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
186 DisplayType display_type = DT_DEFAULT;
187 static int display_remote;
188 const char* keyboard_layout = NULL;
189 ram_addr_t ram_size;
190 const char *mem_path = NULL;
191 #ifdef MAP_POPULATE
192 int mem_prealloc = 0; /* force preallocation of physical target memory */
193 #endif
194 int nb_nics;
195 NICInfo nd_table[MAX_NICS];
196 int autostart;
197 static int rtc_utc = 1;
198 static int rtc_date_offset = -1; /* -1 means no change */
199 QEMUClockType rtc_clock;
200 int vga_interface_type = VGA_NONE;
201 static int full_screen = 0;
202 static int no_frame = 0;
203 int no_quit = 0;
204 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
205 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
206 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
207 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
208 int win2k_install_hack = 0;
209 int singlestep = 0;
210 int smp_cpus = 1;
211 int max_cpus = 0;
212 int smp_cores = 1;
213 int smp_threads = 1;
214 #ifdef CONFIG_VNC
215 const char *vnc_display;
216 #endif
217 int acpi_enabled = 1;
218 int no_hpet = 0;
219 int fd_bootchk = 1;
220 static int no_reboot;
221 int no_shutdown = 0;
222 int cursor_hide = 1;
223 int graphic_rotate = 0;
224 const char *watchdog;
225 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
226 int nb_option_roms;
227 int semihosting_enabled = 0;
228 int old_param = 0;
229 const char *qemu_name;
230 int alt_grab = 0;
231 int ctrl_grab = 0;
232 unsigned int nb_prom_envs = 0;
233 const char *prom_envs[MAX_PROM_ENVS];
234 int boot_menu;
235 bool boot_strict;
236 uint8_t *boot_splash_filedata;
237 size_t boot_splash_filedata_size;
238 uint8_t qemu_extra_params_fw[2];
240 typedef struct FWBootEntry FWBootEntry;
242 struct FWBootEntry {
243 QTAILQ_ENTRY(FWBootEntry) link;
244 int32_t bootindex;
245 DeviceState *dev;
246 char *suffix;
249 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
250 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
252 int nb_numa_nodes;
253 uint64_t node_mem[MAX_NODES];
254 unsigned long *node_cpumask[MAX_NODES];
256 uint8_t qemu_uuid[16];
258 static QEMUBootSetHandler *boot_set_handler;
259 static void *boot_set_opaque;
261 static NotifierList exit_notifiers =
262 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
264 static NotifierList machine_init_done_notifiers =
265 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
267 static bool tcg_allowed = true;
268 bool xen_allowed;
269 uint32_t xen_domid;
270 enum xen_mode xen_mode = XEN_EMULATE;
271 static int tcg_tb_size;
273 static int default_serial = 1;
274 static int default_parallel = 1;
275 static int default_virtcon = 1;
276 static int default_sclp = 1;
277 static int default_monitor = 1;
278 static int default_floppy = 1;
279 static int default_cdrom = 1;
280 static int default_sdcard = 1;
281 static int default_vga = 1;
283 static struct {
284 const char *driver;
285 int *flag;
286 } default_list[] = {
287 { .driver = "isa-serial", .flag = &default_serial },
288 { .driver = "isa-parallel", .flag = &default_parallel },
289 { .driver = "isa-fdc", .flag = &default_floppy },
290 { .driver = "ide-cd", .flag = &default_cdrom },
291 { .driver = "ide-hd", .flag = &default_cdrom },
292 { .driver = "ide-drive", .flag = &default_cdrom },
293 { .driver = "scsi-cd", .flag = &default_cdrom },
294 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
295 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
296 { .driver = "virtio-serial", .flag = &default_virtcon },
297 { .driver = "VGA", .flag = &default_vga },
298 { .driver = "isa-vga", .flag = &default_vga },
299 { .driver = "cirrus-vga", .flag = &default_vga },
300 { .driver = "isa-cirrus-vga", .flag = &default_vga },
301 { .driver = "vmware-svga", .flag = &default_vga },
302 { .driver = "qxl-vga", .flag = &default_vga },
305 static QemuOptsList qemu_rtc_opts = {
306 .name = "rtc",
307 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
308 .desc = {
310 .name = "base",
311 .type = QEMU_OPT_STRING,
313 .name = "clock",
314 .type = QEMU_OPT_STRING,
316 .name = "driftfix",
317 .type = QEMU_OPT_STRING,
319 { /* end of list */ }
323 static QemuOptsList qemu_sandbox_opts = {
324 .name = "sandbox",
325 .implied_opt_name = "enable",
326 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
327 .desc = {
329 .name = "enable",
330 .type = QEMU_OPT_BOOL,
332 { /* end of list */ }
336 static QemuOptsList qemu_trace_opts = {
337 .name = "trace",
338 .implied_opt_name = "trace",
339 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
340 .desc = {
342 .name = "events",
343 .type = QEMU_OPT_STRING,
345 .name = "file",
346 .type = QEMU_OPT_STRING,
348 { /* end of list */ }
352 static QemuOptsList qemu_option_rom_opts = {
353 .name = "option-rom",
354 .implied_opt_name = "romfile",
355 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
356 .desc = {
358 .name = "bootindex",
359 .type = QEMU_OPT_NUMBER,
360 }, {
361 .name = "romfile",
362 .type = QEMU_OPT_STRING,
364 { /* end of list */ }
368 static QemuOptsList qemu_machine_opts = {
369 .name = "machine",
370 .implied_opt_name = "type",
371 .merge_lists = true,
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
373 .desc = {
375 .name = "type",
376 .type = QEMU_OPT_STRING,
377 .help = "emulated machine"
378 }, {
379 .name = "accel",
380 .type = QEMU_OPT_STRING,
381 .help = "accelerator list",
382 }, {
383 .name = "kernel_irqchip",
384 .type = QEMU_OPT_BOOL,
385 .help = "use KVM in-kernel irqchip",
386 }, {
387 .name = "kvm_shadow_mem",
388 .type = QEMU_OPT_SIZE,
389 .help = "KVM shadow MMU size",
390 }, {
391 .name = "kernel",
392 .type = QEMU_OPT_STRING,
393 .help = "Linux kernel image file",
394 }, {
395 .name = "initrd",
396 .type = QEMU_OPT_STRING,
397 .help = "Linux initial ramdisk file",
398 }, {
399 .name = "append",
400 .type = QEMU_OPT_STRING,
401 .help = "Linux kernel command line",
402 }, {
403 .name = "dtb",
404 .type = QEMU_OPT_STRING,
405 .help = "Linux kernel device tree file",
406 }, {
407 .name = "dumpdtb",
408 .type = QEMU_OPT_STRING,
409 .help = "Dump current dtb to a file and quit",
410 }, {
411 .name = "phandle_start",
412 .type = QEMU_OPT_NUMBER,
413 .help = "The first phandle ID we may generate dynamically",
414 }, {
415 .name = "dt_compatible",
416 .type = QEMU_OPT_STRING,
417 .help = "Overrides the \"compatible\" property of the dt root node",
418 }, {
419 .name = "dump-guest-core",
420 .type = QEMU_OPT_BOOL,
421 .help = "Include guest memory in a core dump",
422 }, {
423 .name = "mem-merge",
424 .type = QEMU_OPT_BOOL,
425 .help = "enable/disable memory merge support",
427 .name = "usb",
428 .type = QEMU_OPT_BOOL,
429 .help = "Set on/off to enable/disable usb",
431 { /* End of list */ }
435 static QemuOptsList qemu_boot_opts = {
436 .name = "boot-opts",
437 .implied_opt_name = "order",
438 .merge_lists = true,
439 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
440 .desc = {
442 .name = "order",
443 .type = QEMU_OPT_STRING,
444 }, {
445 .name = "once",
446 .type = QEMU_OPT_STRING,
447 }, {
448 .name = "menu",
449 .type = QEMU_OPT_BOOL,
450 }, {
451 .name = "splash",
452 .type = QEMU_OPT_STRING,
453 }, {
454 .name = "splash-time",
455 .type = QEMU_OPT_STRING,
456 }, {
457 .name = "reboot-timeout",
458 .type = QEMU_OPT_STRING,
459 }, {
460 .name = "strict",
461 .type = QEMU_OPT_STRING,
463 { /*End of list */ }
467 static QemuOptsList qemu_add_fd_opts = {
468 .name = "add-fd",
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
470 .desc = {
472 .name = "fd",
473 .type = QEMU_OPT_NUMBER,
474 .help = "file descriptor of which a duplicate is added to fd set",
476 .name = "set",
477 .type = QEMU_OPT_NUMBER,
478 .help = "ID of the fd set to add fd to",
480 .name = "opaque",
481 .type = QEMU_OPT_STRING,
482 .help = "free-form string used to describe fd",
484 { /* end of list */ }
488 static QemuOptsList qemu_object_opts = {
489 .name = "object",
490 .implied_opt_name = "qom-type",
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
492 .desc = {
497 static QemuOptsList qemu_tpmdev_opts = {
498 .name = "tpmdev",
499 .implied_opt_name = "type",
500 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
501 .desc = {
502 /* options are defined in the TPM backends */
503 { /* end of list */ }
507 static QemuOptsList qemu_realtime_opts = {
508 .name = "realtime",
509 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
510 .desc = {
512 .name = "mlock",
513 .type = QEMU_OPT_BOOL,
515 { /* end of list */ }
519 static QemuOptsList qemu_msg_opts = {
520 .name = "msg",
521 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
522 .desc = {
524 .name = "timestamp",
525 .type = QEMU_OPT_BOOL,
527 { /* end of list */ }
532 * Get machine options
534 * Returns: machine options (never null).
536 QemuOpts *qemu_get_machine_opts(void)
538 QemuOptsList *list;
539 QemuOpts *opts;
541 list = qemu_find_opts("machine");
542 assert(list);
543 opts = qemu_opts_find(list, NULL);
544 if (!opts) {
545 opts = qemu_opts_create_nofail(list);
547 return opts;
550 const char *qemu_get_vm_name(void)
552 return qemu_name;
555 static void res_free(void)
557 if (boot_splash_filedata != NULL) {
558 g_free(boot_splash_filedata);
559 boot_splash_filedata = NULL;
563 static int default_driver_check(QemuOpts *opts, void *opaque)
565 const char *driver = qemu_opt_get(opts, "driver");
566 int i;
568 if (!driver)
569 return 0;
570 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
571 if (strcmp(default_list[i].driver, driver) != 0)
572 continue;
573 *(default_list[i].flag) = 0;
575 return 0;
578 /***********************************************************/
579 /* QEMU state */
581 static RunState current_run_state = RUN_STATE_PRELAUNCH;
583 typedef struct {
584 RunState from;
585 RunState to;
586 } RunStateTransition;
588 static const RunStateTransition runstate_transitions_def[] = {
589 /* from -> to */
590 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
592 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
593 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
595 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
596 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
599 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
601 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
602 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
605 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
608 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
609 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
611 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
612 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
614 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
616 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
617 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
618 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
619 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
620 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
622 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
623 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
624 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
625 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
627 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
629 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
630 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
633 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
634 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
635 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
638 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PAUSED },
641 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
642 { RUN_STATE_GUEST_PANICKED, RUN_STATE_DEBUG },
644 { RUN_STATE_MAX, RUN_STATE_MAX },
647 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
649 bool runstate_check(RunState state)
651 return current_run_state == state;
654 static void runstate_init(void)
656 const RunStateTransition *p;
658 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
660 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
661 runstate_valid_transitions[p->from][p->to] = true;
665 /* This function will abort() on invalid state transitions */
666 void runstate_set(RunState new_state)
668 assert(new_state < RUN_STATE_MAX);
670 if (!runstate_valid_transitions[current_run_state][new_state]) {
671 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
672 RunState_lookup[current_run_state],
673 RunState_lookup[new_state]);
674 abort();
676 trace_runstate_set(new_state);
677 current_run_state = new_state;
680 int runstate_is_running(void)
682 return runstate_check(RUN_STATE_RUNNING);
685 bool runstate_needs_reset(void)
687 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
688 runstate_check(RUN_STATE_SHUTDOWN) ||
689 runstate_check(RUN_STATE_GUEST_PANICKED);
692 StatusInfo *qmp_query_status(Error **errp)
694 StatusInfo *info = g_malloc0(sizeof(*info));
696 info->running = runstate_is_running();
697 info->singlestep = singlestep;
698 info->status = current_run_state;
700 return info;
703 /***********************************************************/
704 /* real time host monotonic timer */
706 /***********************************************************/
707 /* host time/date access */
708 void qemu_get_timedate(struct tm *tm, int offset)
710 time_t ti;
712 time(&ti);
713 ti += offset;
714 if (rtc_date_offset == -1) {
715 if (rtc_utc)
716 gmtime_r(&ti, tm);
717 else
718 localtime_r(&ti, tm);
719 } else {
720 ti -= rtc_date_offset;
721 gmtime_r(&ti, tm);
725 int qemu_timedate_diff(struct tm *tm)
727 time_t seconds;
729 if (rtc_date_offset == -1)
730 if (rtc_utc)
731 seconds = mktimegm(tm);
732 else {
733 struct tm tmp = *tm;
734 tmp.tm_isdst = -1; /* use timezone to figure it out */
735 seconds = mktime(&tmp);
737 else
738 seconds = mktimegm(tm) + rtc_date_offset;
740 return seconds - time(NULL);
743 void rtc_change_mon_event(struct tm *tm)
745 QObject *data;
747 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
748 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
749 qobject_decref(data);
752 static void configure_rtc_date_offset(const char *startdate, int legacy)
754 time_t rtc_start_date;
755 struct tm tm;
757 if (!strcmp(startdate, "now") && legacy) {
758 rtc_date_offset = -1;
759 } else {
760 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
761 &tm.tm_year,
762 &tm.tm_mon,
763 &tm.tm_mday,
764 &tm.tm_hour,
765 &tm.tm_min,
766 &tm.tm_sec) == 6) {
767 /* OK */
768 } else if (sscanf(startdate, "%d-%d-%d",
769 &tm.tm_year,
770 &tm.tm_mon,
771 &tm.tm_mday) == 3) {
772 tm.tm_hour = 0;
773 tm.tm_min = 0;
774 tm.tm_sec = 0;
775 } else {
776 goto date_fail;
778 tm.tm_year -= 1900;
779 tm.tm_mon--;
780 rtc_start_date = mktimegm(&tm);
781 if (rtc_start_date == -1) {
782 date_fail:
783 fprintf(stderr, "Invalid date format. Valid formats are:\n"
784 "'2006-06-17T16:01:21' or '2006-06-17'\n");
785 exit(1);
787 rtc_date_offset = time(NULL) - rtc_start_date;
791 static void configure_rtc(QemuOpts *opts)
793 const char *value;
795 value = qemu_opt_get(opts, "base");
796 if (value) {
797 if (!strcmp(value, "utc")) {
798 rtc_utc = 1;
799 } else if (!strcmp(value, "localtime")) {
800 rtc_utc = 0;
801 } else {
802 configure_rtc_date_offset(value, 0);
805 value = qemu_opt_get(opts, "clock");
806 if (value) {
807 if (!strcmp(value, "host")) {
808 rtc_clock = QEMU_CLOCK_HOST;
809 } else if (!strcmp(value, "rt")) {
810 rtc_clock = QEMU_CLOCK_REALTIME;
811 } else if (!strcmp(value, "vm")) {
812 rtc_clock = QEMU_CLOCK_VIRTUAL;
813 } else {
814 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
815 exit(1);
818 value = qemu_opt_get(opts, "driftfix");
819 if (value) {
820 if (!strcmp(value, "slew")) {
821 static GlobalProperty slew_lost_ticks[] = {
823 .driver = "mc146818rtc",
824 .property = "lost_tick_policy",
825 .value = "slew",
827 { /* end of list */ }
830 qdev_prop_register_global_list(slew_lost_ticks);
831 } else if (!strcmp(value, "none")) {
832 /* discard is default */
833 } else {
834 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
835 exit(1);
840 /***********************************************************/
841 /* Bluetooth support */
842 static int nb_hcis;
843 static int cur_hci;
844 static struct HCIInfo *hci_table[MAX_NICS];
846 struct HCIInfo *qemu_next_hci(void)
848 if (cur_hci == nb_hcis)
849 return &null_hci;
851 return hci_table[cur_hci++];
854 static int bt_hci_parse(const char *str)
856 struct HCIInfo *hci;
857 bdaddr_t bdaddr;
859 if (nb_hcis >= MAX_NICS) {
860 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
861 return -1;
864 hci = hci_init(str);
865 if (!hci)
866 return -1;
868 bdaddr.b[0] = 0x52;
869 bdaddr.b[1] = 0x54;
870 bdaddr.b[2] = 0x00;
871 bdaddr.b[3] = 0x12;
872 bdaddr.b[4] = 0x34;
873 bdaddr.b[5] = 0x56 + nb_hcis;
874 hci->bdaddr_set(hci, bdaddr.b);
876 hci_table[nb_hcis++] = hci;
878 return 0;
881 static void bt_vhci_add(int vlan_id)
883 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
885 if (!vlan->slave)
886 fprintf(stderr, "qemu: warning: adding a VHCI to "
887 "an empty scatternet %i\n", vlan_id);
889 bt_vhci_init(bt_new_hci(vlan));
892 static struct bt_device_s *bt_device_add(const char *opt)
894 struct bt_scatternet_s *vlan;
895 int vlan_id = 0;
896 char *endp = strstr(opt, ",vlan=");
897 int len = (endp ? endp - opt : strlen(opt)) + 1;
898 char devname[10];
900 pstrcpy(devname, MIN(sizeof(devname), len), opt);
902 if (endp) {
903 vlan_id = strtol(endp + 6, &endp, 0);
904 if (*endp) {
905 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
906 return 0;
910 vlan = qemu_find_bt_vlan(vlan_id);
912 if (!vlan->slave)
913 fprintf(stderr, "qemu: warning: adding a slave device to "
914 "an empty scatternet %i\n", vlan_id);
916 if (!strcmp(devname, "keyboard"))
917 return bt_keyboard_init(vlan);
919 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
920 return 0;
923 static int bt_parse(const char *opt)
925 const char *endp, *p;
926 int vlan;
928 if (strstart(opt, "hci", &endp)) {
929 if (!*endp || *endp == ',') {
930 if (*endp)
931 if (!strstart(endp, ",vlan=", 0))
932 opt = endp + 1;
934 return bt_hci_parse(opt);
936 } else if (strstart(opt, "vhci", &endp)) {
937 if (!*endp || *endp == ',') {
938 if (*endp) {
939 if (strstart(endp, ",vlan=", &p)) {
940 vlan = strtol(p, (char **) &endp, 0);
941 if (*endp) {
942 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
943 return 1;
945 } else {
946 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
947 return 1;
949 } else
950 vlan = 0;
952 bt_vhci_add(vlan);
953 return 0;
955 } else if (strstart(opt, "device:", &endp))
956 return !bt_device_add(endp);
958 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
959 return 1;
962 static int parse_sandbox(QemuOpts *opts, void *opaque)
964 /* FIXME: change this to true for 1.3 */
965 if (qemu_opt_get_bool(opts, "enable", false)) {
966 #ifdef CONFIG_SECCOMP
967 if (seccomp_start() < 0) {
968 qerror_report(ERROR_CLASS_GENERIC_ERROR,
969 "failed to install seccomp syscall filter in the kernel");
970 return -1;
972 #else
973 qerror_report(ERROR_CLASS_GENERIC_ERROR,
974 "sandboxing request but seccomp is not compiled into this build");
975 return -1;
976 #endif
979 return 0;
982 bool usb_enabled(bool default_usb)
984 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb);
987 #ifndef _WIN32
988 static int parse_add_fd(QemuOpts *opts, void *opaque)
990 int fd, dupfd, flags;
991 int64_t fdset_id;
992 const char *fd_opaque = NULL;
994 fd = qemu_opt_get_number(opts, "fd", -1);
995 fdset_id = qemu_opt_get_number(opts, "set", -1);
996 fd_opaque = qemu_opt_get(opts, "opaque");
998 if (fd < 0) {
999 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1000 "fd option is required and must be non-negative");
1001 return -1;
1004 if (fd <= STDERR_FILENO) {
1005 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1006 "fd cannot be a standard I/O stream");
1007 return -1;
1011 * All fds inherited across exec() necessarily have FD_CLOEXEC
1012 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1014 flags = fcntl(fd, F_GETFD);
1015 if (flags == -1 || (flags & FD_CLOEXEC)) {
1016 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1017 "fd is not valid or already in use");
1018 return -1;
1021 if (fdset_id < 0) {
1022 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1023 "set option is required and must be non-negative");
1024 return -1;
1027 #ifdef F_DUPFD_CLOEXEC
1028 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1029 #else
1030 dupfd = dup(fd);
1031 if (dupfd != -1) {
1032 qemu_set_cloexec(dupfd);
1034 #endif
1035 if (dupfd == -1) {
1036 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1037 "Error duplicating fd: %s", strerror(errno));
1038 return -1;
1041 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1042 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1043 fd_opaque, NULL);
1045 return 0;
1048 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1050 int fd;
1052 fd = qemu_opt_get_number(opts, "fd", -1);
1053 close(fd);
1055 return 0;
1057 #endif
1059 /***********************************************************/
1060 /* QEMU Block devices */
1062 #define HD_OPTS "media=disk"
1063 #define CDROM_OPTS "media=cdrom"
1064 #define FD_OPTS ""
1065 #define PFLASH_OPTS ""
1066 #define MTD_OPTS ""
1067 #define SD_OPTS ""
1069 static int drive_init_func(QemuOpts *opts, void *opaque)
1071 BlockInterfaceType *block_default_type = opaque;
1073 return drive_init(opts, *block_default_type) == NULL;
1076 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1078 if (NULL == qemu_opt_get(opts, "snapshot")) {
1079 qemu_opt_set(opts, "snapshot", "on");
1081 return 0;
1084 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1085 int index, const char *optstr)
1087 QemuOpts *opts;
1089 if (!enable || drive_get_by_index(type, index)) {
1090 return;
1093 opts = drive_add(type, index, NULL, optstr);
1094 if (snapshot) {
1095 drive_enable_snapshot(opts, NULL);
1097 if (!drive_init(opts, type)) {
1098 exit(1);
1102 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1104 boot_set_handler = func;
1105 boot_set_opaque = opaque;
1108 int qemu_boot_set(const char *boot_order)
1110 if (!boot_set_handler) {
1111 return -EINVAL;
1113 return boot_set_handler(boot_set_opaque, boot_order);
1116 static void validate_bootdevices(const char *devices)
1118 /* We just do some generic consistency checks */
1119 const char *p;
1120 int bitmap = 0;
1122 for (p = devices; *p != '\0'; p++) {
1123 /* Allowed boot devices are:
1124 * a-b: floppy disk drives
1125 * c-f: IDE disk drives
1126 * g-m: machine implementation dependent drives
1127 * n-p: network devices
1128 * It's up to each machine implementation to check if the given boot
1129 * devices match the actual hardware implementation and firmware
1130 * features.
1132 if (*p < 'a' || *p > 'p') {
1133 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1134 exit(1);
1136 if (bitmap & (1 << (*p - 'a'))) {
1137 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1138 exit(1);
1140 bitmap |= 1 << (*p - 'a');
1144 static void restore_boot_order(void *opaque)
1146 char *normal_boot_order = opaque;
1147 static int first = 1;
1149 /* Restore boot order and remove ourselves after the first boot */
1150 if (first) {
1151 first = 0;
1152 return;
1155 qemu_boot_set(normal_boot_order);
1157 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1158 g_free(normal_boot_order);
1161 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1162 const char *suffix)
1164 FWBootEntry *node, *i;
1166 if (bootindex < 0) {
1167 return;
1170 assert(dev != NULL || suffix != NULL);
1172 node = g_malloc0(sizeof(FWBootEntry));
1173 node->bootindex = bootindex;
1174 node->suffix = g_strdup(suffix);
1175 node->dev = dev;
1177 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1178 if (i->bootindex == bootindex) {
1179 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1180 exit(1);
1181 } else if (i->bootindex < bootindex) {
1182 continue;
1184 QTAILQ_INSERT_BEFORE(i, node, link);
1185 return;
1187 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1190 DeviceState *get_boot_device(uint32_t position)
1192 uint32_t counter = 0;
1193 FWBootEntry *i = NULL;
1194 DeviceState *res = NULL;
1196 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1197 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1198 if (counter == position) {
1199 res = i->dev;
1200 break;
1202 counter++;
1205 return res;
1209 * This function returns null terminated string that consist of new line
1210 * separated device paths.
1212 * memory pointed by "size" is assigned total length of the array in bytes
1215 char *get_boot_devices_list(size_t *size)
1217 FWBootEntry *i;
1218 size_t total = 0;
1219 char *list = NULL;
1221 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1222 char *devpath = NULL, *bootpath;
1223 size_t len;
1225 if (i->dev) {
1226 devpath = qdev_get_fw_dev_path(i->dev);
1227 assert(devpath);
1230 if (i->suffix && devpath) {
1231 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1233 bootpath = g_malloc(bootpathlen);
1234 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1235 g_free(devpath);
1236 } else if (devpath) {
1237 bootpath = devpath;
1238 } else {
1239 assert(i->suffix);
1240 bootpath = g_strdup(i->suffix);
1243 if (total) {
1244 list[total-1] = '\n';
1246 len = strlen(bootpath) + 1;
1247 list = g_realloc(list, total + len);
1248 memcpy(&list[total], bootpath, len);
1249 total += len;
1250 g_free(bootpath);
1253 *size = total;
1255 if (boot_strict && *size > 0) {
1256 list[total-1] = '\n';
1257 list = g_realloc(list, total + 5);
1258 memcpy(&list[total], "HALT", 5);
1259 *size = total + 5;
1261 return list;
1264 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1266 char *endptr;
1267 unsigned long long value, endvalue;
1269 /* Empty CPU range strings will be considered valid, they will simply
1270 * not set any bit in the CPU bitmap.
1272 if (!*cpus) {
1273 return;
1276 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1277 goto error;
1279 if (*endptr == '-') {
1280 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1281 goto error;
1283 } else if (*endptr == '\0') {
1284 endvalue = value;
1285 } else {
1286 goto error;
1289 if (endvalue >= MAX_CPUMASK_BITS) {
1290 endvalue = MAX_CPUMASK_BITS - 1;
1291 fprintf(stderr,
1292 "qemu: NUMA: A max of %d VCPUs are supported\n",
1293 MAX_CPUMASK_BITS);
1296 if (endvalue < value) {
1297 goto error;
1300 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1301 return;
1303 error:
1304 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1305 exit(1);
1308 static void numa_add(const char *optarg)
1310 char option[128];
1311 char *endptr;
1312 unsigned long long nodenr;
1314 optarg = get_opt_name(option, 128, optarg, ',');
1315 if (*optarg == ',') {
1316 optarg++;
1318 if (!strcmp(option, "node")) {
1320 if (nb_numa_nodes >= MAX_NODES) {
1321 fprintf(stderr, "qemu: too many NUMA nodes\n");
1322 exit(1);
1325 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1326 nodenr = nb_numa_nodes;
1327 } else {
1328 if (parse_uint_full(option, &nodenr, 10) < 0) {
1329 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1330 exit(1);
1334 if (nodenr >= MAX_NODES) {
1335 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1336 exit(1);
1339 if (get_param_value(option, 128, "mem", optarg) == 0) {
1340 node_mem[nodenr] = 0;
1341 } else {
1342 int64_t sval;
1343 sval = strtosz(option, &endptr);
1344 if (sval < 0 || *endptr) {
1345 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1346 exit(1);
1348 node_mem[nodenr] = sval;
1350 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1351 numa_node_parse_cpus(nodenr, option);
1353 nb_numa_nodes++;
1354 } else {
1355 fprintf(stderr, "Invalid -numa option: %s\n", option);
1356 exit(1);
1360 static QemuOptsList qemu_smp_opts = {
1361 .name = "smp-opts",
1362 .implied_opt_name = "cpus",
1363 .merge_lists = true,
1364 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1365 .desc = {
1367 .name = "cpus",
1368 .type = QEMU_OPT_NUMBER,
1369 }, {
1370 .name = "sockets",
1371 .type = QEMU_OPT_NUMBER,
1372 }, {
1373 .name = "cores",
1374 .type = QEMU_OPT_NUMBER,
1375 }, {
1376 .name = "threads",
1377 .type = QEMU_OPT_NUMBER,
1378 }, {
1379 .name = "maxcpus",
1380 .type = QEMU_OPT_NUMBER,
1382 { /*End of list */ }
1386 static void smp_parse(QemuOpts *opts)
1388 if (opts) {
1390 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1391 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1392 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1393 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1395 /* compute missing values, prefer sockets over cores over threads */
1396 if (cpus == 0 || sockets == 0) {
1397 sockets = sockets > 0 ? sockets : 1;
1398 cores = cores > 0 ? cores : 1;
1399 threads = threads > 0 ? threads : 1;
1400 if (cpus == 0) {
1401 cpus = cores * threads * sockets;
1403 } else {
1404 if (cores == 0) {
1405 threads = threads > 0 ? threads : 1;
1406 cores = cpus / (sockets * threads);
1407 } else {
1408 threads = cpus / (cores * sockets);
1412 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1414 smp_cpus = cpus;
1415 smp_cores = cores > 0 ? cores : 1;
1416 smp_threads = threads > 0 ? threads : 1;
1420 if (max_cpus == 0) {
1421 max_cpus = smp_cpus;
1424 if (max_cpus > 255) {
1425 fprintf(stderr, "Unsupported number of maxcpus\n");
1426 exit(1);
1428 if (max_cpus < smp_cpus) {
1429 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1430 exit(1);
1435 static void configure_realtime(QemuOpts *opts)
1437 bool enable_mlock;
1439 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1441 if (enable_mlock) {
1442 if (os_mlock() < 0) {
1443 fprintf(stderr, "qemu: locking memory failed\n");
1444 exit(1);
1450 static void configure_msg(QemuOpts *opts)
1452 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1455 /***********************************************************/
1456 /* USB devices */
1458 static int usb_device_add(const char *devname)
1460 USBDevice *dev = NULL;
1461 #ifndef CONFIG_LINUX
1462 const char *p;
1463 #endif
1465 if (!usb_enabled(false)) {
1466 return -1;
1469 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1470 dev = usbdevice_create(devname);
1471 if (dev)
1472 goto done;
1474 /* the other ones */
1475 #ifndef CONFIG_LINUX
1476 /* only the linux version is qdev-ified, usb-bsd still needs this */
1477 if (strstart(devname, "host:", &p)) {
1478 dev = usb_host_device_open(usb_bus_find(-1), p);
1480 #endif
1481 if (!dev)
1482 return -1;
1484 done:
1485 return 0;
1488 static int usb_device_del(const char *devname)
1490 int bus_num, addr;
1491 const char *p;
1493 if (strstart(devname, "host:", &p)) {
1494 return -1;
1497 if (!usb_enabled(false)) {
1498 return -1;
1501 p = strchr(devname, '.');
1502 if (!p)
1503 return -1;
1504 bus_num = strtoul(devname, NULL, 0);
1505 addr = strtoul(p + 1, NULL, 0);
1507 return usb_device_delete_addr(bus_num, addr);
1510 static int usb_parse(const char *cmdline)
1512 int r;
1513 r = usb_device_add(cmdline);
1514 if (r < 0) {
1515 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1517 return r;
1520 void do_usb_add(Monitor *mon, const QDict *qdict)
1522 const char *devname = qdict_get_str(qdict, "devname");
1523 if (usb_device_add(devname) < 0) {
1524 error_report("could not add USB device '%s'", devname);
1528 void do_usb_del(Monitor *mon, const QDict *qdict)
1530 const char *devname = qdict_get_str(qdict, "devname");
1531 if (usb_device_del(devname) < 0) {
1532 error_report("could not delete USB device '%s'", devname);
1536 /***********************************************************/
1537 /* PCMCIA/Cardbus */
1539 static struct pcmcia_socket_entry_s {
1540 PCMCIASocket *socket;
1541 struct pcmcia_socket_entry_s *next;
1542 } *pcmcia_sockets = 0;
1544 void pcmcia_socket_register(PCMCIASocket *socket)
1546 struct pcmcia_socket_entry_s *entry;
1548 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1549 entry->socket = socket;
1550 entry->next = pcmcia_sockets;
1551 pcmcia_sockets = entry;
1554 void pcmcia_socket_unregister(PCMCIASocket *socket)
1556 struct pcmcia_socket_entry_s *entry, **ptr;
1558 ptr = &pcmcia_sockets;
1559 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1560 if (entry->socket == socket) {
1561 *ptr = entry->next;
1562 g_free(entry);
1566 void pcmcia_info(Monitor *mon, const QDict *qdict)
1568 struct pcmcia_socket_entry_s *iter;
1570 if (!pcmcia_sockets)
1571 monitor_printf(mon, "No PCMCIA sockets\n");
1573 for (iter = pcmcia_sockets; iter; iter = iter->next)
1574 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1575 iter->socket->attached ? iter->socket->card_string :
1576 "Empty");
1579 /***********************************************************/
1580 /* machine registration */
1582 static QEMUMachine *first_machine = NULL;
1583 QEMUMachine *current_machine = NULL;
1585 int qemu_register_machine(QEMUMachine *m)
1587 QEMUMachine **pm;
1588 pm = &first_machine;
1589 while (*pm != NULL)
1590 pm = &(*pm)->next;
1591 m->next = NULL;
1592 *pm = m;
1593 return 0;
1596 static QEMUMachine *find_machine(const char *name)
1598 QEMUMachine *m;
1600 for(m = first_machine; m != NULL; m = m->next) {
1601 if (!strcmp(m->name, name))
1602 return m;
1603 if (m->alias && !strcmp(m->alias, name))
1604 return m;
1606 return NULL;
1609 QEMUMachine *find_default_machine(void)
1611 QEMUMachine *m;
1613 for(m = first_machine; m != NULL; m = m->next) {
1614 if (m->is_default) {
1615 return m;
1618 return NULL;
1621 MachineInfoList *qmp_query_machines(Error **errp)
1623 MachineInfoList *mach_list = NULL;
1624 QEMUMachine *m;
1626 for (m = first_machine; m; m = m->next) {
1627 MachineInfoList *entry;
1628 MachineInfo *info;
1630 info = g_malloc0(sizeof(*info));
1631 if (m->is_default) {
1632 info->has_is_default = true;
1633 info->is_default = true;
1636 if (m->alias) {
1637 info->has_alias = true;
1638 info->alias = g_strdup(m->alias);
1641 info->name = g_strdup(m->name);
1642 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1644 entry = g_malloc0(sizeof(*entry));
1645 entry->value = info;
1646 entry->next = mach_list;
1647 mach_list = entry;
1650 return mach_list;
1653 /***********************************************************/
1654 /* main execution loop */
1656 struct vm_change_state_entry {
1657 VMChangeStateHandler *cb;
1658 void *opaque;
1659 QLIST_ENTRY (vm_change_state_entry) entries;
1662 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1664 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1665 void *opaque)
1667 VMChangeStateEntry *e;
1669 e = g_malloc0(sizeof (*e));
1671 e->cb = cb;
1672 e->opaque = opaque;
1673 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1674 return e;
1677 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1679 QLIST_REMOVE (e, entries);
1680 g_free (e);
1683 void vm_state_notify(int running, RunState state)
1685 VMChangeStateEntry *e;
1687 trace_vm_state_notify(running, state);
1689 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1690 e->cb(e->opaque, running, state);
1694 void vm_start(void)
1696 if (!runstate_is_running()) {
1697 cpu_enable_ticks();
1698 runstate_set(RUN_STATE_RUNNING);
1699 vm_state_notify(1, RUN_STATE_RUNNING);
1700 resume_all_vcpus();
1701 monitor_protocol_event(QEVENT_RESUME, NULL);
1705 /* reset/shutdown handler */
1707 typedef struct QEMUResetEntry {
1708 QTAILQ_ENTRY(QEMUResetEntry) entry;
1709 QEMUResetHandler *func;
1710 void *opaque;
1711 } QEMUResetEntry;
1713 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1714 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1715 static int reset_requested;
1716 static int shutdown_requested, shutdown_signal = -1;
1717 static pid_t shutdown_pid;
1718 static int powerdown_requested;
1719 static int debug_requested;
1720 static int suspend_requested;
1721 static WakeupReason wakeup_reason;
1722 static NotifierList powerdown_notifiers =
1723 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1724 static NotifierList suspend_notifiers =
1725 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1726 static NotifierList wakeup_notifiers =
1727 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1728 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1729 static RunState vmstop_requested = RUN_STATE_MAX;
1731 int qemu_shutdown_requested_get(void)
1733 return shutdown_requested;
1736 int qemu_reset_requested_get(void)
1738 return reset_requested;
1741 static int qemu_shutdown_requested(void)
1743 int r = shutdown_requested;
1744 shutdown_requested = 0;
1745 return r;
1748 static void qemu_kill_report(void)
1750 if (!qtest_enabled() && shutdown_signal != -1) {
1751 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1752 if (shutdown_pid == 0) {
1753 /* This happens for eg ^C at the terminal, so it's worth
1754 * avoiding printing an odd message in that case.
1756 fputc('\n', stderr);
1757 } else {
1758 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1760 shutdown_signal = -1;
1764 static int qemu_reset_requested(void)
1766 int r = reset_requested;
1767 reset_requested = 0;
1768 return r;
1771 static int qemu_suspend_requested(void)
1773 int r = suspend_requested;
1774 suspend_requested = 0;
1775 return r;
1778 static WakeupReason qemu_wakeup_requested(void)
1780 return wakeup_reason;
1783 static int qemu_powerdown_requested(void)
1785 int r = powerdown_requested;
1786 powerdown_requested = 0;
1787 return r;
1790 static int qemu_debug_requested(void)
1792 int r = debug_requested;
1793 debug_requested = 0;
1794 return r;
1797 /* We use RUN_STATE_MAX but any invalid value will do */
1798 static bool qemu_vmstop_requested(RunState *r)
1800 if (vmstop_requested < RUN_STATE_MAX) {
1801 *r = vmstop_requested;
1802 vmstop_requested = RUN_STATE_MAX;
1803 return true;
1806 return false;
1809 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1811 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1813 re->func = func;
1814 re->opaque = opaque;
1815 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1818 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1820 QEMUResetEntry *re;
1822 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1823 if (re->func == func && re->opaque == opaque) {
1824 QTAILQ_REMOVE(&reset_handlers, re, entry);
1825 g_free(re);
1826 return;
1831 void qemu_devices_reset(void)
1833 QEMUResetEntry *re, *nre;
1835 /* reset all devices */
1836 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1837 re->func(re->opaque);
1841 void qemu_system_reset(bool report)
1843 if (current_machine && current_machine->reset) {
1844 current_machine->reset();
1845 } else {
1846 qemu_devices_reset();
1848 if (report) {
1849 monitor_protocol_event(QEVENT_RESET, NULL);
1851 cpu_synchronize_all_post_reset();
1854 void qemu_system_reset_request(void)
1856 if (no_reboot) {
1857 shutdown_requested = 1;
1858 } else {
1859 reset_requested = 1;
1861 cpu_stop_current();
1862 qemu_notify_event();
1865 static void qemu_system_suspend(void)
1867 pause_all_vcpus();
1868 notifier_list_notify(&suspend_notifiers, NULL);
1869 runstate_set(RUN_STATE_SUSPENDED);
1870 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1873 void qemu_system_suspend_request(void)
1875 if (runstate_check(RUN_STATE_SUSPENDED)) {
1876 return;
1878 suspend_requested = 1;
1879 cpu_stop_current();
1880 qemu_notify_event();
1883 void qemu_register_suspend_notifier(Notifier *notifier)
1885 notifier_list_add(&suspend_notifiers, notifier);
1888 void qemu_system_wakeup_request(WakeupReason reason)
1890 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1891 return;
1893 if (!(wakeup_reason_mask & (1 << reason))) {
1894 return;
1896 runstate_set(RUN_STATE_RUNNING);
1897 wakeup_reason = reason;
1898 qemu_notify_event();
1901 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1903 if (enabled) {
1904 wakeup_reason_mask |= (1 << reason);
1905 } else {
1906 wakeup_reason_mask &= ~(1 << reason);
1910 void qemu_register_wakeup_notifier(Notifier *notifier)
1912 notifier_list_add(&wakeup_notifiers, notifier);
1915 void qemu_system_killed(int signal, pid_t pid)
1917 shutdown_signal = signal;
1918 shutdown_pid = pid;
1919 no_shutdown = 0;
1920 qemu_system_shutdown_request();
1923 void qemu_system_shutdown_request(void)
1925 shutdown_requested = 1;
1926 qemu_notify_event();
1929 static void qemu_system_powerdown(void)
1931 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1932 notifier_list_notify(&powerdown_notifiers, NULL);
1935 void qemu_system_powerdown_request(void)
1937 powerdown_requested = 1;
1938 qemu_notify_event();
1941 void qemu_register_powerdown_notifier(Notifier *notifier)
1943 notifier_list_add(&powerdown_notifiers, notifier);
1946 void qemu_system_debug_request(void)
1948 debug_requested = 1;
1949 qemu_notify_event();
1952 void qemu_system_vmstop_request(RunState state)
1954 vmstop_requested = state;
1955 qemu_notify_event();
1958 static bool main_loop_should_exit(void)
1960 RunState r;
1961 if (qemu_debug_requested()) {
1962 vm_stop(RUN_STATE_DEBUG);
1964 if (qemu_suspend_requested()) {
1965 qemu_system_suspend();
1967 if (qemu_shutdown_requested()) {
1968 qemu_kill_report();
1969 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1970 if (no_shutdown) {
1971 vm_stop(RUN_STATE_SHUTDOWN);
1972 } else {
1973 return true;
1976 if (qemu_reset_requested()) {
1977 pause_all_vcpus();
1978 cpu_synchronize_all_states();
1979 qemu_system_reset(VMRESET_REPORT);
1980 resume_all_vcpus();
1981 if (runstate_needs_reset()) {
1982 runstate_set(RUN_STATE_PAUSED);
1985 if (qemu_wakeup_requested()) {
1986 pause_all_vcpus();
1987 cpu_synchronize_all_states();
1988 qemu_system_reset(VMRESET_SILENT);
1989 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1990 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1991 resume_all_vcpus();
1992 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1994 if (qemu_powerdown_requested()) {
1995 qemu_system_powerdown();
1997 if (qemu_vmstop_requested(&r)) {
1998 vm_stop(r);
2000 return false;
2003 static void main_loop(void)
2005 bool nonblocking;
2006 int last_io = 0;
2007 #ifdef CONFIG_PROFILER
2008 int64_t ti;
2009 #endif
2010 do {
2011 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2012 #ifdef CONFIG_PROFILER
2013 ti = profile_getclock();
2014 #endif
2015 last_io = main_loop_wait(nonblocking);
2016 #ifdef CONFIG_PROFILER
2017 dev_time += profile_getclock() - ti;
2018 #endif
2019 } while (!main_loop_should_exit());
2022 static void version(void)
2024 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2027 static void help(int exitcode)
2029 version();
2030 printf("usage: %s [options] [disk_image]\n\n"
2031 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2032 error_get_progname());
2034 #define QEMU_OPTIONS_GENERATE_HELP
2035 #include "qemu-options-wrapper.h"
2037 printf("\nDuring emulation, the following keys are useful:\n"
2038 "ctrl-alt-f toggle full screen\n"
2039 "ctrl-alt-n switch to virtual console 'n'\n"
2040 "ctrl-alt toggle mouse and keyboard grab\n"
2041 "\n"
2042 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2044 exit(exitcode);
2047 #define HAS_ARG 0x0001
2049 typedef struct QEMUOption {
2050 const char *name;
2051 int flags;
2052 int index;
2053 uint32_t arch_mask;
2054 } QEMUOption;
2056 static const QEMUOption qemu_options[] = {
2057 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2058 #define QEMU_OPTIONS_GENERATE_OPTIONS
2059 #include "qemu-options-wrapper.h"
2060 { NULL },
2063 static bool vga_available(void)
2065 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2068 static bool cirrus_vga_available(void)
2070 return object_class_by_name("cirrus-vga")
2071 || object_class_by_name("isa-cirrus-vga");
2074 static bool vmware_vga_available(void)
2076 return object_class_by_name("vmware-svga");
2079 static bool qxl_vga_available(void)
2081 return object_class_by_name("qxl-vga");
2084 static void select_vgahw (const char *p)
2086 const char *opts;
2088 vga_interface_type = VGA_NONE;
2089 if (strstart(p, "std", &opts)) {
2090 if (vga_available()) {
2091 vga_interface_type = VGA_STD;
2092 } else {
2093 fprintf(stderr, "Error: standard VGA not available\n");
2094 exit(0);
2096 } else if (strstart(p, "cirrus", &opts)) {
2097 if (cirrus_vga_available()) {
2098 vga_interface_type = VGA_CIRRUS;
2099 } else {
2100 fprintf(stderr, "Error: Cirrus VGA not available\n");
2101 exit(0);
2103 } else if (strstart(p, "vmware", &opts)) {
2104 if (vmware_vga_available()) {
2105 vga_interface_type = VGA_VMWARE;
2106 } else {
2107 fprintf(stderr, "Error: VMWare SVGA not available\n");
2108 exit(0);
2110 } else if (strstart(p, "xenfb", &opts)) {
2111 vga_interface_type = VGA_XENFB;
2112 } else if (strstart(p, "qxl", &opts)) {
2113 if (qxl_vga_available()) {
2114 vga_interface_type = VGA_QXL;
2115 } else {
2116 fprintf(stderr, "Error: QXL VGA not available\n");
2117 exit(0);
2119 } else if (!strstart(p, "none", &opts)) {
2120 invalid_vga:
2121 fprintf(stderr, "Unknown vga type: %s\n", p);
2122 exit(1);
2124 while (*opts) {
2125 const char *nextopt;
2127 if (strstart(opts, ",retrace=", &nextopt)) {
2128 opts = nextopt;
2129 if (strstart(opts, "dumb", &nextopt))
2130 vga_retrace_method = VGA_RETRACE_DUMB;
2131 else if (strstart(opts, "precise", &nextopt))
2132 vga_retrace_method = VGA_RETRACE_PRECISE;
2133 else goto invalid_vga;
2134 } else goto invalid_vga;
2135 opts = nextopt;
2139 static DisplayType select_display(const char *p)
2141 const char *opts;
2142 DisplayType display = DT_DEFAULT;
2144 if (strstart(p, "sdl", &opts)) {
2145 #ifdef CONFIG_SDL
2146 display = DT_SDL;
2147 while (*opts) {
2148 const char *nextopt;
2150 if (strstart(opts, ",frame=", &nextopt)) {
2151 opts = nextopt;
2152 if (strstart(opts, "on", &nextopt)) {
2153 no_frame = 0;
2154 } else if (strstart(opts, "off", &nextopt)) {
2155 no_frame = 1;
2156 } else {
2157 goto invalid_sdl_args;
2159 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2160 opts = nextopt;
2161 if (strstart(opts, "on", &nextopt)) {
2162 alt_grab = 1;
2163 } else if (strstart(opts, "off", &nextopt)) {
2164 alt_grab = 0;
2165 } else {
2166 goto invalid_sdl_args;
2168 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2169 opts = nextopt;
2170 if (strstart(opts, "on", &nextopt)) {
2171 ctrl_grab = 1;
2172 } else if (strstart(opts, "off", &nextopt)) {
2173 ctrl_grab = 0;
2174 } else {
2175 goto invalid_sdl_args;
2177 } else if (strstart(opts, ",window_close=", &nextopt)) {
2178 opts = nextopt;
2179 if (strstart(opts, "on", &nextopt)) {
2180 no_quit = 0;
2181 } else if (strstart(opts, "off", &nextopt)) {
2182 no_quit = 1;
2183 } else {
2184 goto invalid_sdl_args;
2186 } else {
2187 invalid_sdl_args:
2188 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2189 exit(1);
2191 opts = nextopt;
2193 #else
2194 fprintf(stderr, "SDL support is disabled\n");
2195 exit(1);
2196 #endif
2197 } else if (strstart(p, "vnc", &opts)) {
2198 #ifdef CONFIG_VNC
2199 display_remote++;
2201 if (*opts) {
2202 const char *nextopt;
2204 if (strstart(opts, "=", &nextopt)) {
2205 vnc_display = nextopt;
2208 if (!vnc_display) {
2209 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2210 exit(1);
2212 #else
2213 fprintf(stderr, "VNC support is disabled\n");
2214 exit(1);
2215 #endif
2216 } else if (strstart(p, "curses", &opts)) {
2217 #ifdef CONFIG_CURSES
2218 display = DT_CURSES;
2219 #else
2220 fprintf(stderr, "Curses support is disabled\n");
2221 exit(1);
2222 #endif
2223 } else if (strstart(p, "gtk", &opts)) {
2224 #ifdef CONFIG_GTK
2225 display = DT_GTK;
2226 #else
2227 fprintf(stderr, "GTK support is disabled\n");
2228 exit(1);
2229 #endif
2230 } else if (strstart(p, "none", &opts)) {
2231 display = DT_NONE;
2232 } else {
2233 fprintf(stderr, "Unknown display type: %s\n", p);
2234 exit(1);
2237 return display;
2240 static int balloon_parse(const char *arg)
2242 QemuOpts *opts;
2244 if (strcmp(arg, "none") == 0) {
2245 return 0;
2248 if (!strncmp(arg, "virtio", 6)) {
2249 if (arg[6] == ',') {
2250 /* have params -> parse them */
2251 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2252 if (!opts)
2253 return -1;
2254 } else {
2255 /* create empty opts */
2256 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2258 qemu_opt_set(opts, "driver", "virtio-balloon");
2259 return 0;
2262 return -1;
2265 char *qemu_find_file(int type, const char *name)
2267 int i;
2268 const char *subdir;
2269 char *buf;
2271 /* Try the name as a straight path first */
2272 if (access(name, R_OK) == 0) {
2273 trace_load_file(name, name);
2274 return g_strdup(name);
2277 switch (type) {
2278 case QEMU_FILE_TYPE_BIOS:
2279 subdir = "";
2280 break;
2281 case QEMU_FILE_TYPE_KEYMAP:
2282 subdir = "keymaps/";
2283 break;
2284 default:
2285 abort();
2288 for (i = 0; i < data_dir_idx; i++) {
2289 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2290 if (access(buf, R_OK) == 0) {
2291 trace_load_file(name, buf);
2292 return buf;
2294 g_free(buf);
2296 return NULL;
2299 static int device_help_func(QemuOpts *opts, void *opaque)
2301 return qdev_device_help(opts);
2304 static int device_init_func(QemuOpts *opts, void *opaque)
2306 DeviceState *dev;
2308 dev = qdev_device_add(opts);
2309 if (!dev)
2310 return -1;
2311 object_unref(OBJECT(dev));
2312 return 0;
2315 static int chardev_init_func(QemuOpts *opts, void *opaque)
2317 Error *local_err = NULL;
2319 qemu_chr_new_from_opts(opts, NULL, &local_err);
2320 if (error_is_set(&local_err)) {
2321 error_report("%s", error_get_pretty(local_err));
2322 error_free(local_err);
2323 return -1;
2325 return 0;
2328 #ifdef CONFIG_VIRTFS
2329 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2331 int ret;
2332 ret = qemu_fsdev_add(opts);
2334 return ret;
2336 #endif
2338 static int mon_init_func(QemuOpts *opts, void *opaque)
2340 CharDriverState *chr;
2341 const char *chardev;
2342 const char *mode;
2343 int flags;
2345 mode = qemu_opt_get(opts, "mode");
2346 if (mode == NULL) {
2347 mode = "readline";
2349 if (strcmp(mode, "readline") == 0) {
2350 flags = MONITOR_USE_READLINE;
2351 } else if (strcmp(mode, "control") == 0) {
2352 flags = MONITOR_USE_CONTROL;
2353 } else {
2354 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2355 exit(1);
2358 if (qemu_opt_get_bool(opts, "pretty", 0))
2359 flags |= MONITOR_USE_PRETTY;
2361 if (qemu_opt_get_bool(opts, "default", 0))
2362 flags |= MONITOR_IS_DEFAULT;
2364 chardev = qemu_opt_get(opts, "chardev");
2365 chr = qemu_chr_find(chardev);
2366 if (chr == NULL) {
2367 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2368 exit(1);
2371 qemu_chr_fe_claim_no_fail(chr);
2372 monitor_init(chr, flags);
2373 return 0;
2376 static void monitor_parse(const char *optarg, const char *mode)
2378 static int monitor_device_index = 0;
2379 QemuOpts *opts;
2380 const char *p;
2381 char label[32];
2382 int def = 0;
2384 if (strstart(optarg, "chardev:", &p)) {
2385 snprintf(label, sizeof(label), "%s", p);
2386 } else {
2387 snprintf(label, sizeof(label), "compat_monitor%d",
2388 monitor_device_index);
2389 if (monitor_device_index == 0) {
2390 def = 1;
2392 opts = qemu_chr_parse_compat(label, optarg);
2393 if (!opts) {
2394 fprintf(stderr, "parse error: %s\n", optarg);
2395 exit(1);
2399 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2400 if (!opts) {
2401 fprintf(stderr, "duplicate chardev: %s\n", label);
2402 exit(1);
2404 qemu_opt_set(opts, "mode", mode);
2405 qemu_opt_set(opts, "chardev", label);
2406 if (def)
2407 qemu_opt_set(opts, "default", "on");
2408 monitor_device_index++;
2411 struct device_config {
2412 enum {
2413 DEV_USB, /* -usbdevice */
2414 DEV_BT, /* -bt */
2415 DEV_SERIAL, /* -serial */
2416 DEV_PARALLEL, /* -parallel */
2417 DEV_VIRTCON, /* -virtioconsole */
2418 DEV_DEBUGCON, /* -debugcon */
2419 DEV_GDB, /* -gdb, -s */
2420 DEV_SCLP, /* s390 sclp */
2421 } type;
2422 const char *cmdline;
2423 Location loc;
2424 QTAILQ_ENTRY(device_config) next;
2427 static QTAILQ_HEAD(, device_config) device_configs =
2428 QTAILQ_HEAD_INITIALIZER(device_configs);
2430 static void add_device_config(int type, const char *cmdline)
2432 struct device_config *conf;
2434 conf = g_malloc0(sizeof(*conf));
2435 conf->type = type;
2436 conf->cmdline = cmdline;
2437 loc_save(&conf->loc);
2438 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2441 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2443 struct device_config *conf;
2444 int rc;
2446 QTAILQ_FOREACH(conf, &device_configs, next) {
2447 if (conf->type != type)
2448 continue;
2449 loc_push_restore(&conf->loc);
2450 rc = func(conf->cmdline);
2451 loc_pop(&conf->loc);
2452 if (0 != rc)
2453 return rc;
2455 return 0;
2458 static int serial_parse(const char *devname)
2460 static int index = 0;
2461 char label[32];
2463 if (strcmp(devname, "none") == 0)
2464 return 0;
2465 if (index == MAX_SERIAL_PORTS) {
2466 fprintf(stderr, "qemu: too many serial ports\n");
2467 exit(1);
2469 snprintf(label, sizeof(label), "serial%d", index);
2470 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2471 if (!serial_hds[index]) {
2472 fprintf(stderr, "qemu: could not connect serial device"
2473 " to character backend '%s'\n", devname);
2474 return -1;
2476 index++;
2477 return 0;
2480 static int parallel_parse(const char *devname)
2482 static int index = 0;
2483 char label[32];
2485 if (strcmp(devname, "none") == 0)
2486 return 0;
2487 if (index == MAX_PARALLEL_PORTS) {
2488 fprintf(stderr, "qemu: too many parallel ports\n");
2489 exit(1);
2491 snprintf(label, sizeof(label), "parallel%d", index);
2492 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2493 if (!parallel_hds[index]) {
2494 fprintf(stderr, "qemu: could not connect parallel device"
2495 " to character backend '%s'\n", devname);
2496 return -1;
2498 index++;
2499 return 0;
2502 static int virtcon_parse(const char *devname)
2504 QemuOptsList *device = qemu_find_opts("device");
2505 static int index = 0;
2506 char label[32];
2507 QemuOpts *bus_opts, *dev_opts;
2509 if (strcmp(devname, "none") == 0)
2510 return 0;
2511 if (index == MAX_VIRTIO_CONSOLES) {
2512 fprintf(stderr, "qemu: too many virtio consoles\n");
2513 exit(1);
2516 bus_opts = qemu_opts_create_nofail(device);
2517 if (arch_type == QEMU_ARCH_S390X) {
2518 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2519 } else {
2520 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2523 dev_opts = qemu_opts_create_nofail(device);
2524 qemu_opt_set(dev_opts, "driver", "virtconsole");
2526 snprintf(label, sizeof(label), "virtcon%d", index);
2527 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2528 if (!virtcon_hds[index]) {
2529 fprintf(stderr, "qemu: could not connect virtio console"
2530 " to character backend '%s'\n", devname);
2531 return -1;
2533 qemu_opt_set(dev_opts, "chardev", label);
2535 index++;
2536 return 0;
2539 static int sclp_parse(const char *devname)
2541 QemuOptsList *device = qemu_find_opts("device");
2542 static int index = 0;
2543 char label[32];
2544 QemuOpts *dev_opts;
2546 if (strcmp(devname, "none") == 0) {
2547 return 0;
2549 if (index == MAX_SCLP_CONSOLES) {
2550 fprintf(stderr, "qemu: too many sclp consoles\n");
2551 exit(1);
2554 assert(arch_type == QEMU_ARCH_S390X);
2556 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2557 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2559 snprintf(label, sizeof(label), "sclpcon%d", index);
2560 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2561 if (!sclp_hds[index]) {
2562 fprintf(stderr, "qemu: could not connect sclp console"
2563 " to character backend '%s'\n", devname);
2564 return -1;
2566 qemu_opt_set(dev_opts, "chardev", label);
2568 index++;
2569 return 0;
2572 static int debugcon_parse(const char *devname)
2574 QemuOpts *opts;
2576 if (!qemu_chr_new("debugcon", devname, NULL)) {
2577 exit(1);
2579 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2580 if (!opts) {
2581 fprintf(stderr, "qemu: already have a debugcon device\n");
2582 exit(1);
2584 qemu_opt_set(opts, "driver", "isa-debugcon");
2585 qemu_opt_set(opts, "chardev", "debugcon");
2586 return 0;
2589 static QEMUMachine *machine_parse(const char *name)
2591 QEMUMachine *m, *machine = NULL;
2593 if (name) {
2594 machine = find_machine(name);
2596 if (machine) {
2597 return machine;
2599 printf("Supported machines are:\n");
2600 for (m = first_machine; m != NULL; m = m->next) {
2601 if (m->alias) {
2602 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2604 printf("%-20s %s%s\n", m->name, m->desc,
2605 m->is_default ? " (default)" : "");
2607 exit(!name || !is_help_option(name));
2610 static int tcg_init(void)
2612 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2613 return 0;
2616 static struct {
2617 const char *opt_name;
2618 const char *name;
2619 int (*available)(void);
2620 int (*init)(void);
2621 bool *allowed;
2622 } accel_list[] = {
2623 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2624 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2625 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2626 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2629 static int configure_accelerator(void)
2631 const char *p;
2632 char buf[10];
2633 int i, ret;
2634 bool accel_initialised = false;
2635 bool init_failed = false;
2637 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2638 if (p == NULL) {
2639 /* Use the default "accelerator", tcg */
2640 p = "tcg";
2643 while (!accel_initialised && *p != '\0') {
2644 if (*p == ':') {
2645 p++;
2647 p = get_opt_name(buf, sizeof (buf), p, ':');
2648 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2649 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2650 if (!accel_list[i].available()) {
2651 printf("%s not supported for this target\n",
2652 accel_list[i].name);
2653 continue;
2655 *(accel_list[i].allowed) = true;
2656 ret = accel_list[i].init();
2657 if (ret < 0) {
2658 init_failed = true;
2659 fprintf(stderr, "failed to initialize %s: %s\n",
2660 accel_list[i].name,
2661 strerror(-ret));
2662 *(accel_list[i].allowed) = false;
2663 } else {
2664 accel_initialised = true;
2666 break;
2669 if (i == ARRAY_SIZE(accel_list)) {
2670 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2674 if (!accel_initialised) {
2675 if (!init_failed) {
2676 fprintf(stderr, "No accelerator found!\n");
2678 exit(1);
2681 if (init_failed) {
2682 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2685 return !accel_initialised;
2688 void qemu_add_exit_notifier(Notifier *notify)
2690 notifier_list_add(&exit_notifiers, notify);
2693 void qemu_remove_exit_notifier(Notifier *notify)
2695 notifier_remove(notify);
2698 static void qemu_run_exit_notifiers(void)
2700 notifier_list_notify(&exit_notifiers, NULL);
2703 void qemu_add_machine_init_done_notifier(Notifier *notify)
2705 notifier_list_add(&machine_init_done_notifiers, notify);
2708 static void qemu_run_machine_init_done_notifiers(void)
2710 notifier_list_notify(&machine_init_done_notifiers, NULL);
2713 static const QEMUOption *lookup_opt(int argc, char **argv,
2714 const char **poptarg, int *poptind)
2716 const QEMUOption *popt;
2717 int optind = *poptind;
2718 char *r = argv[optind];
2719 const char *optarg;
2721 loc_set_cmdline(argv, optind, 1);
2722 optind++;
2723 /* Treat --foo the same as -foo. */
2724 if (r[1] == '-')
2725 r++;
2726 popt = qemu_options;
2727 for(;;) {
2728 if (!popt->name) {
2729 error_report("invalid option");
2730 exit(1);
2732 if (!strcmp(popt->name, r + 1))
2733 break;
2734 popt++;
2736 if (popt->flags & HAS_ARG) {
2737 if (optind >= argc) {
2738 error_report("requires an argument");
2739 exit(1);
2741 optarg = argv[optind++];
2742 loc_set_cmdline(argv, optind - 2, 2);
2743 } else {
2744 optarg = NULL;
2747 *poptarg = optarg;
2748 *poptind = optind;
2750 return popt;
2753 static gpointer malloc_and_trace(gsize n_bytes)
2755 void *ptr = malloc(n_bytes);
2756 trace_g_malloc(n_bytes, ptr);
2757 return ptr;
2760 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2762 void *ptr = realloc(mem, n_bytes);
2763 trace_g_realloc(mem, n_bytes, ptr);
2764 return ptr;
2767 static void free_and_trace(gpointer mem)
2769 trace_g_free(mem);
2770 free(mem);
2773 static int object_set_property(const char *name, const char *value, void *opaque)
2775 Object *obj = OBJECT(opaque);
2776 StringInputVisitor *siv;
2777 Error *local_err = NULL;
2779 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2780 return 0;
2783 siv = string_input_visitor_new(value);
2784 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2785 string_input_visitor_cleanup(siv);
2787 if (local_err) {
2788 qerror_report_err(local_err);
2789 error_free(local_err);
2790 return -1;
2793 return 0;
2796 static int object_create(QemuOpts *opts, void *opaque)
2798 const char *type = qemu_opt_get(opts, "qom-type");
2799 const char *id = qemu_opts_id(opts);
2800 Object *obj;
2802 g_assert(type != NULL);
2804 if (id == NULL) {
2805 qerror_report(QERR_MISSING_PARAMETER, "id");
2806 return -1;
2809 obj = object_new(type);
2810 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2811 return -1;
2814 object_property_add_child(container_get(object_get_root(), "/objects"),
2815 id, obj, NULL);
2817 return 0;
2820 int main(int argc, char **argv, char **envp)
2822 int i;
2823 int snapshot, linux_boot;
2824 const char *icount_option = NULL;
2825 const char *initrd_filename;
2826 const char *kernel_filename, *kernel_cmdline;
2827 const char *boot_order = NULL;
2828 DisplayState *ds;
2829 int cyls, heads, secs, translation;
2830 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2831 QemuOptsList *olist;
2832 int optind;
2833 const char *optarg;
2834 const char *loadvm = NULL;
2835 QEMUMachine *machine;
2836 const char *cpu_model;
2837 const char *vga_model = "none";
2838 const char *pid_file = NULL;
2839 const char *incoming = NULL;
2840 #ifdef CONFIG_VNC
2841 int show_vnc_port = 0;
2842 #endif
2843 bool defconfig = true;
2844 bool userconfig = true;
2845 const char *log_mask = NULL;
2846 const char *log_file = NULL;
2847 GMemVTable mem_trace = {
2848 .malloc = malloc_and_trace,
2849 .realloc = realloc_and_trace,
2850 .free = free_and_trace,
2852 const char *trace_events = NULL;
2853 const char *trace_file = NULL;
2855 atexit(qemu_run_exit_notifiers);
2856 error_set_progname(argv[0]);
2858 g_mem_set_vtable(&mem_trace);
2859 if (!g_thread_supported()) {
2860 #if !GLIB_CHECK_VERSION(2, 31, 0)
2861 g_thread_init(NULL);
2862 #else
2863 fprintf(stderr, "glib threading failed to initialize.\n");
2864 exit(1);
2865 #endif
2868 module_call_init(MODULE_INIT_QOM);
2870 qemu_add_opts(&qemu_drive_opts);
2871 qemu_add_opts(&qemu_chardev_opts);
2872 qemu_add_opts(&qemu_device_opts);
2873 qemu_add_opts(&qemu_netdev_opts);
2874 qemu_add_opts(&qemu_net_opts);
2875 qemu_add_opts(&qemu_rtc_opts);
2876 qemu_add_opts(&qemu_global_opts);
2877 qemu_add_opts(&qemu_mon_opts);
2878 qemu_add_opts(&qemu_trace_opts);
2879 qemu_add_opts(&qemu_option_rom_opts);
2880 qemu_add_opts(&qemu_machine_opts);
2881 qemu_add_opts(&qemu_smp_opts);
2882 qemu_add_opts(&qemu_boot_opts);
2883 qemu_add_opts(&qemu_sandbox_opts);
2884 qemu_add_opts(&qemu_add_fd_opts);
2885 qemu_add_opts(&qemu_object_opts);
2886 qemu_add_opts(&qemu_tpmdev_opts);
2887 qemu_add_opts(&qemu_realtime_opts);
2888 qemu_add_opts(&qemu_msg_opts);
2890 runstate_init();
2892 init_clocks();
2893 rtc_clock = QEMU_CLOCK_HOST;
2895 qemu_cache_utils_init(envp);
2897 QLIST_INIT (&vm_change_state_head);
2898 os_setup_early_signal_handling();
2900 module_call_init(MODULE_INIT_MACHINE);
2901 machine = find_default_machine();
2902 cpu_model = NULL;
2903 ram_size = 0;
2904 snapshot = 0;
2905 cyls = heads = secs = 0;
2906 translation = BIOS_ATA_TRANSLATION_AUTO;
2908 for (i = 0; i < MAX_NODES; i++) {
2909 node_mem[i] = 0;
2910 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2913 nb_numa_nodes = 0;
2914 nb_nics = 0;
2916 bdrv_init_with_whitelist();
2918 autostart= 1;
2920 /* first pass of option parsing */
2921 optind = 1;
2922 while (optind < argc) {
2923 if (argv[optind][0] != '-') {
2924 /* disk image */
2925 optind++;
2926 continue;
2927 } else {
2928 const QEMUOption *popt;
2930 popt = lookup_opt(argc, argv, &optarg, &optind);
2931 switch (popt->index) {
2932 case QEMU_OPTION_nodefconfig:
2933 defconfig = false;
2934 break;
2935 case QEMU_OPTION_nouserconfig:
2936 userconfig = false;
2937 break;
2942 if (defconfig) {
2943 int ret;
2944 ret = qemu_read_default_config_files(userconfig);
2945 if (ret < 0) {
2946 exit(1);
2950 /* second pass of option parsing */
2951 optind = 1;
2952 for(;;) {
2953 if (optind >= argc)
2954 break;
2955 if (argv[optind][0] != '-') {
2956 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2957 } else {
2958 const QEMUOption *popt;
2960 popt = lookup_opt(argc, argv, &optarg, &optind);
2961 if (!(popt->arch_mask & arch_type)) {
2962 printf("Option %s not supported for this target\n", popt->name);
2963 exit(1);
2965 switch(popt->index) {
2966 case QEMU_OPTION_M:
2967 machine = machine_parse(optarg);
2968 break;
2969 case QEMU_OPTION_no_kvm_irqchip: {
2970 olist = qemu_find_opts("machine");
2971 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2972 break;
2974 case QEMU_OPTION_cpu:
2975 /* hw initialization will check this */
2976 cpu_model = optarg;
2977 break;
2978 case QEMU_OPTION_hda:
2980 char buf[256];
2981 if (cyls == 0)
2982 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2983 else
2984 snprintf(buf, sizeof(buf),
2985 "%s,cyls=%d,heads=%d,secs=%d%s",
2986 HD_OPTS , cyls, heads, secs,
2987 translation == BIOS_ATA_TRANSLATION_LBA ?
2988 ",trans=lba" :
2989 translation == BIOS_ATA_TRANSLATION_NONE ?
2990 ",trans=none" : "");
2991 drive_add(IF_DEFAULT, 0, optarg, buf);
2992 break;
2994 case QEMU_OPTION_hdb:
2995 case QEMU_OPTION_hdc:
2996 case QEMU_OPTION_hdd:
2997 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2998 HD_OPTS);
2999 break;
3000 case QEMU_OPTION_drive:
3001 if (drive_def(optarg) == NULL) {
3002 exit(1);
3004 break;
3005 case QEMU_OPTION_set:
3006 if (qemu_set_option(optarg) != 0)
3007 exit(1);
3008 break;
3009 case QEMU_OPTION_global:
3010 if (qemu_global_option(optarg) != 0)
3011 exit(1);
3012 break;
3013 case QEMU_OPTION_mtdblock:
3014 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3015 break;
3016 case QEMU_OPTION_sd:
3017 drive_add(IF_SD, -1, optarg, SD_OPTS);
3018 break;
3019 case QEMU_OPTION_pflash:
3020 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3021 break;
3022 case QEMU_OPTION_snapshot:
3023 snapshot = 1;
3024 break;
3025 case QEMU_OPTION_hdachs:
3027 const char *p;
3028 p = optarg;
3029 cyls = strtol(p, (char **)&p, 0);
3030 if (cyls < 1 || cyls > 16383)
3031 goto chs_fail;
3032 if (*p != ',')
3033 goto chs_fail;
3034 p++;
3035 heads = strtol(p, (char **)&p, 0);
3036 if (heads < 1 || heads > 16)
3037 goto chs_fail;
3038 if (*p != ',')
3039 goto chs_fail;
3040 p++;
3041 secs = strtol(p, (char **)&p, 0);
3042 if (secs < 1 || secs > 63)
3043 goto chs_fail;
3044 if (*p == ',') {
3045 p++;
3046 if (!strcmp(p, "none"))
3047 translation = BIOS_ATA_TRANSLATION_NONE;
3048 else if (!strcmp(p, "lba"))
3049 translation = BIOS_ATA_TRANSLATION_LBA;
3050 else if (!strcmp(p, "auto"))
3051 translation = BIOS_ATA_TRANSLATION_AUTO;
3052 else
3053 goto chs_fail;
3054 } else if (*p != '\0') {
3055 chs_fail:
3056 fprintf(stderr, "qemu: invalid physical CHS format\n");
3057 exit(1);
3059 if (hda_opts != NULL) {
3060 char num[16];
3061 snprintf(num, sizeof(num), "%d", cyls);
3062 qemu_opt_set(hda_opts, "cyls", num);
3063 snprintf(num, sizeof(num), "%d", heads);
3064 qemu_opt_set(hda_opts, "heads", num);
3065 snprintf(num, sizeof(num), "%d", secs);
3066 qemu_opt_set(hda_opts, "secs", num);
3067 if (translation == BIOS_ATA_TRANSLATION_LBA)
3068 qemu_opt_set(hda_opts, "trans", "lba");
3069 if (translation == BIOS_ATA_TRANSLATION_NONE)
3070 qemu_opt_set(hda_opts, "trans", "none");
3073 break;
3074 case QEMU_OPTION_numa:
3075 numa_add(optarg);
3076 break;
3077 case QEMU_OPTION_display:
3078 display_type = select_display(optarg);
3079 break;
3080 case QEMU_OPTION_nographic:
3081 display_type = DT_NOGRAPHIC;
3082 break;
3083 case QEMU_OPTION_curses:
3084 #ifdef CONFIG_CURSES
3085 display_type = DT_CURSES;
3086 #else
3087 fprintf(stderr, "Curses support is disabled\n");
3088 exit(1);
3089 #endif
3090 break;
3091 case QEMU_OPTION_portrait:
3092 graphic_rotate = 90;
3093 break;
3094 case QEMU_OPTION_rotate:
3095 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3096 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3097 graphic_rotate != 180 && graphic_rotate != 270) {
3098 fprintf(stderr,
3099 "qemu: only 90, 180, 270 deg rotation is available\n");
3100 exit(1);
3102 break;
3103 case QEMU_OPTION_kernel:
3104 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3105 break;
3106 case QEMU_OPTION_initrd:
3107 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3108 break;
3109 case QEMU_OPTION_append:
3110 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3111 break;
3112 case QEMU_OPTION_dtb:
3113 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3114 break;
3115 case QEMU_OPTION_cdrom:
3116 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3117 break;
3118 case QEMU_OPTION_boot:
3119 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3120 if (!opts) {
3121 exit(1);
3123 break;
3124 case QEMU_OPTION_fda:
3125 case QEMU_OPTION_fdb:
3126 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3127 optarg, FD_OPTS);
3128 break;
3129 case QEMU_OPTION_no_fd_bootchk:
3130 fd_bootchk = 0;
3131 break;
3132 case QEMU_OPTION_netdev:
3133 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3134 exit(1);
3136 break;
3137 case QEMU_OPTION_net:
3138 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3139 exit(1);
3141 break;
3142 #ifdef CONFIG_LIBISCSI
3143 case QEMU_OPTION_iscsi:
3144 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3145 if (!opts) {
3146 exit(1);
3148 break;
3149 #endif
3150 #ifdef CONFIG_SLIRP
3151 case QEMU_OPTION_tftp:
3152 legacy_tftp_prefix = optarg;
3153 break;
3154 case QEMU_OPTION_bootp:
3155 legacy_bootp_filename = optarg;
3156 break;
3157 case QEMU_OPTION_redir:
3158 if (net_slirp_redir(optarg) < 0)
3159 exit(1);
3160 break;
3161 #endif
3162 case QEMU_OPTION_bt:
3163 add_device_config(DEV_BT, optarg);
3164 break;
3165 case QEMU_OPTION_audio_help:
3166 AUD_help ();
3167 exit (0);
3168 break;
3169 case QEMU_OPTION_soundhw:
3170 select_soundhw (optarg);
3171 break;
3172 case QEMU_OPTION_h:
3173 help(0);
3174 break;
3175 case QEMU_OPTION_version:
3176 version();
3177 exit(0);
3178 break;
3179 case QEMU_OPTION_m: {
3180 int64_t value;
3181 uint64_t sz;
3182 char *end;
3184 value = strtosz(optarg, &end);
3185 if (value < 0 || *end) {
3186 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3187 exit(1);
3189 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3190 ram_size = sz;
3191 if (ram_size != sz) {
3192 fprintf(stderr, "qemu: ram size too large\n");
3193 exit(1);
3195 break;
3197 #ifdef CONFIG_TPM
3198 case QEMU_OPTION_tpmdev:
3199 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3200 exit(1);
3202 break;
3203 #endif
3204 case QEMU_OPTION_mempath:
3205 mem_path = optarg;
3206 break;
3207 #ifdef MAP_POPULATE
3208 case QEMU_OPTION_mem_prealloc:
3209 mem_prealloc = 1;
3210 break;
3211 #endif
3212 case QEMU_OPTION_d:
3213 log_mask = optarg;
3214 break;
3215 case QEMU_OPTION_D:
3216 log_file = optarg;
3217 break;
3218 case QEMU_OPTION_s:
3219 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3220 break;
3221 case QEMU_OPTION_gdb:
3222 add_device_config(DEV_GDB, optarg);
3223 break;
3224 case QEMU_OPTION_L:
3225 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3226 data_dir[data_dir_idx++] = optarg;
3228 break;
3229 case QEMU_OPTION_bios:
3230 bios_name = optarg;
3231 break;
3232 case QEMU_OPTION_singlestep:
3233 singlestep = 1;
3234 break;
3235 case QEMU_OPTION_S:
3236 autostart = 0;
3237 break;
3238 case QEMU_OPTION_k:
3239 keyboard_layout = optarg;
3240 break;
3241 case QEMU_OPTION_localtime:
3242 rtc_utc = 0;
3243 break;
3244 case QEMU_OPTION_vga:
3245 vga_model = optarg;
3246 default_vga = 0;
3247 break;
3248 case QEMU_OPTION_g:
3250 const char *p;
3251 int w, h, depth;
3252 p = optarg;
3253 w = strtol(p, (char **)&p, 10);
3254 if (w <= 0) {
3255 graphic_error:
3256 fprintf(stderr, "qemu: invalid resolution or depth\n");
3257 exit(1);
3259 if (*p != 'x')
3260 goto graphic_error;
3261 p++;
3262 h = strtol(p, (char **)&p, 10);
3263 if (h <= 0)
3264 goto graphic_error;
3265 if (*p == 'x') {
3266 p++;
3267 depth = strtol(p, (char **)&p, 10);
3268 if (depth != 8 && depth != 15 && depth != 16 &&
3269 depth != 24 && depth != 32)
3270 goto graphic_error;
3271 } else if (*p == '\0') {
3272 depth = graphic_depth;
3273 } else {
3274 goto graphic_error;
3277 graphic_width = w;
3278 graphic_height = h;
3279 graphic_depth = depth;
3281 break;
3282 case QEMU_OPTION_echr:
3284 char *r;
3285 term_escape_char = strtol(optarg, &r, 0);
3286 if (r == optarg)
3287 printf("Bad argument to echr\n");
3288 break;
3290 case QEMU_OPTION_monitor:
3291 default_monitor = 0;
3292 if (strncmp(optarg, "none", 4)) {
3293 monitor_parse(optarg, "readline");
3295 break;
3296 case QEMU_OPTION_qmp:
3297 monitor_parse(optarg, "control");
3298 default_monitor = 0;
3299 break;
3300 case QEMU_OPTION_mon:
3301 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3302 if (!opts) {
3303 exit(1);
3305 default_monitor = 0;
3306 break;
3307 case QEMU_OPTION_chardev:
3308 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3309 if (!opts) {
3310 exit(1);
3312 break;
3313 case QEMU_OPTION_fsdev:
3314 olist = qemu_find_opts("fsdev");
3315 if (!olist) {
3316 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3317 exit(1);
3319 opts = qemu_opts_parse(olist, optarg, 1);
3320 if (!opts) {
3321 exit(1);
3323 break;
3324 case QEMU_OPTION_virtfs: {
3325 QemuOpts *fsdev;
3326 QemuOpts *device;
3327 const char *writeout, *sock_fd, *socket;
3329 olist = qemu_find_opts("virtfs");
3330 if (!olist) {
3331 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3332 exit(1);
3334 opts = qemu_opts_parse(olist, optarg, 1);
3335 if (!opts) {
3336 exit(1);
3339 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3340 qemu_opt_get(opts, "mount_tag") == NULL) {
3341 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3342 exit(1);
3344 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3345 qemu_opt_get(opts, "mount_tag"),
3346 1, NULL);
3347 if (!fsdev) {
3348 fprintf(stderr, "duplicate fsdev id: %s\n",
3349 qemu_opt_get(opts, "mount_tag"));
3350 exit(1);
3353 writeout = qemu_opt_get(opts, "writeout");
3354 if (writeout) {
3355 #ifdef CONFIG_SYNC_FILE_RANGE
3356 qemu_opt_set(fsdev, "writeout", writeout);
3357 #else
3358 fprintf(stderr, "writeout=immediate not supported on "
3359 "this platform\n");
3360 exit(1);
3361 #endif
3363 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3364 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3365 qemu_opt_set(fsdev, "security_model",
3366 qemu_opt_get(opts, "security_model"));
3367 socket = qemu_opt_get(opts, "socket");
3368 if (socket) {
3369 qemu_opt_set(fsdev, "socket", socket);
3371 sock_fd = qemu_opt_get(opts, "sock_fd");
3372 if (sock_fd) {
3373 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3376 qemu_opt_set_bool(fsdev, "readonly",
3377 qemu_opt_get_bool(opts, "readonly", 0));
3378 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3379 qemu_opt_set(device, "driver", "virtio-9p-pci");
3380 qemu_opt_set(device, "fsdev",
3381 qemu_opt_get(opts, "mount_tag"));
3382 qemu_opt_set(device, "mount_tag",
3383 qemu_opt_get(opts, "mount_tag"));
3384 break;
3386 case QEMU_OPTION_virtfs_synth: {
3387 QemuOpts *fsdev;
3388 QemuOpts *device;
3390 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3391 1, NULL);
3392 if (!fsdev) {
3393 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3394 exit(1);
3396 qemu_opt_set(fsdev, "fsdriver", "synth");
3398 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3399 qemu_opt_set(device, "driver", "virtio-9p-pci");
3400 qemu_opt_set(device, "fsdev", "v_synth");
3401 qemu_opt_set(device, "mount_tag", "v_synth");
3402 break;
3404 case QEMU_OPTION_serial:
3405 add_device_config(DEV_SERIAL, optarg);
3406 default_serial = 0;
3407 if (strncmp(optarg, "mon:", 4) == 0) {
3408 default_monitor = 0;
3410 break;
3411 case QEMU_OPTION_watchdog:
3412 if (watchdog) {
3413 fprintf(stderr,
3414 "qemu: only one watchdog option may be given\n");
3415 return 1;
3417 watchdog = optarg;
3418 break;
3419 case QEMU_OPTION_watchdog_action:
3420 if (select_watchdog_action(optarg) == -1) {
3421 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3422 exit(1);
3424 break;
3425 case QEMU_OPTION_virtiocon:
3426 add_device_config(DEV_VIRTCON, optarg);
3427 default_virtcon = 0;
3428 if (strncmp(optarg, "mon:", 4) == 0) {
3429 default_monitor = 0;
3431 break;
3432 case QEMU_OPTION_parallel:
3433 add_device_config(DEV_PARALLEL, optarg);
3434 default_parallel = 0;
3435 if (strncmp(optarg, "mon:", 4) == 0) {
3436 default_monitor = 0;
3438 break;
3439 case QEMU_OPTION_debugcon:
3440 add_device_config(DEV_DEBUGCON, optarg);
3441 break;
3442 case QEMU_OPTION_loadvm:
3443 loadvm = optarg;
3444 break;
3445 case QEMU_OPTION_full_screen:
3446 full_screen = 1;
3447 break;
3448 case QEMU_OPTION_no_frame:
3449 no_frame = 1;
3450 break;
3451 case QEMU_OPTION_alt_grab:
3452 alt_grab = 1;
3453 break;
3454 case QEMU_OPTION_ctrl_grab:
3455 ctrl_grab = 1;
3456 break;
3457 case QEMU_OPTION_no_quit:
3458 no_quit = 1;
3459 break;
3460 case QEMU_OPTION_sdl:
3461 #ifdef CONFIG_SDL
3462 display_type = DT_SDL;
3463 break;
3464 #else
3465 fprintf(stderr, "SDL support is disabled\n");
3466 exit(1);
3467 #endif
3468 case QEMU_OPTION_pidfile:
3469 pid_file = optarg;
3470 break;
3471 case QEMU_OPTION_win2k_hack:
3472 win2k_install_hack = 1;
3473 break;
3474 case QEMU_OPTION_rtc_td_hack: {
3475 static GlobalProperty slew_lost_ticks[] = {
3477 .driver = "mc146818rtc",
3478 .property = "lost_tick_policy",
3479 .value = "slew",
3481 { /* end of list */ }
3484 qdev_prop_register_global_list(slew_lost_ticks);
3485 break;
3487 case QEMU_OPTION_acpitable:
3488 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3489 g_assert(opts != NULL);
3490 do_acpitable_option(opts);
3491 break;
3492 case QEMU_OPTION_smbios:
3493 do_smbios_option(optarg);
3494 break;
3495 case QEMU_OPTION_enable_kvm:
3496 olist = qemu_find_opts("machine");
3497 qemu_opts_parse(olist, "accel=kvm", 0);
3498 break;
3499 case QEMU_OPTION_machine:
3500 olist = qemu_find_opts("machine");
3501 opts = qemu_opts_parse(olist, optarg, 1);
3502 if (!opts) {
3503 exit(1);
3505 optarg = qemu_opt_get(opts, "type");
3506 if (optarg) {
3507 machine = machine_parse(optarg);
3509 break;
3510 case QEMU_OPTION_no_kvm:
3511 olist = qemu_find_opts("machine");
3512 qemu_opts_parse(olist, "accel=tcg", 0);
3513 break;
3514 case QEMU_OPTION_no_kvm_pit: {
3515 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3516 "separately.\n");
3517 break;
3519 case QEMU_OPTION_no_kvm_pit_reinjection: {
3520 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3522 .driver = "kvm-pit",
3523 .property = "lost_tick_policy",
3524 .value = "discard",
3526 { /* end of list */ }
3529 fprintf(stderr, "Warning: option deprecated, use "
3530 "lost_tick_policy property of kvm-pit instead.\n");
3531 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3532 break;
3534 case QEMU_OPTION_usb:
3535 olist = qemu_find_opts("machine");
3536 qemu_opts_parse(olist, "usb=on", 0);
3537 break;
3538 case QEMU_OPTION_usbdevice:
3539 olist = qemu_find_opts("machine");
3540 qemu_opts_parse(olist, "usb=on", 0);
3541 add_device_config(DEV_USB, optarg);
3542 break;
3543 case QEMU_OPTION_device:
3544 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3545 exit(1);
3547 break;
3548 case QEMU_OPTION_smp:
3549 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3550 exit(1);
3552 break;
3553 case QEMU_OPTION_vnc:
3554 #ifdef CONFIG_VNC
3555 display_remote++;
3556 vnc_display = optarg;
3557 #else
3558 fprintf(stderr, "VNC support is disabled\n");
3559 exit(1);
3560 #endif
3561 break;
3562 case QEMU_OPTION_no_acpi:
3563 acpi_enabled = 0;
3564 break;
3565 case QEMU_OPTION_no_hpet:
3566 no_hpet = 1;
3567 break;
3568 case QEMU_OPTION_balloon:
3569 if (balloon_parse(optarg) < 0) {
3570 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3571 exit(1);
3573 break;
3574 case QEMU_OPTION_no_reboot:
3575 no_reboot = 1;
3576 break;
3577 case QEMU_OPTION_no_shutdown:
3578 no_shutdown = 1;
3579 break;
3580 case QEMU_OPTION_show_cursor:
3581 cursor_hide = 0;
3582 break;
3583 case QEMU_OPTION_uuid:
3584 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3585 fprintf(stderr, "Fail to parse UUID string."
3586 " Wrong format.\n");
3587 exit(1);
3589 break;
3590 case QEMU_OPTION_option_rom:
3591 if (nb_option_roms >= MAX_OPTION_ROMS) {
3592 fprintf(stderr, "Too many option ROMs\n");
3593 exit(1);
3595 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3596 if (!opts) {
3597 exit(1);
3599 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3600 option_rom[nb_option_roms].bootindex =
3601 qemu_opt_get_number(opts, "bootindex", -1);
3602 if (!option_rom[nb_option_roms].name) {
3603 fprintf(stderr, "Option ROM file is not specified\n");
3604 exit(1);
3606 nb_option_roms++;
3607 break;
3608 case QEMU_OPTION_semihosting:
3609 semihosting_enabled = 1;
3610 break;
3611 case QEMU_OPTION_tdf:
3612 fprintf(stderr, "Warning: user space PIT time drift fix "
3613 "is no longer supported.\n");
3614 break;
3615 case QEMU_OPTION_name:
3616 qemu_name = g_strdup(optarg);
3618 char *p = strchr(qemu_name, ',');
3619 if (p != NULL) {
3620 *p++ = 0;
3621 if (strncmp(p, "process=", 8)) {
3622 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3623 exit(1);
3625 p += 8;
3626 os_set_proc_name(p);
3629 break;
3630 case QEMU_OPTION_prom_env:
3631 if (nb_prom_envs >= MAX_PROM_ENVS) {
3632 fprintf(stderr, "Too many prom variables\n");
3633 exit(1);
3635 prom_envs[nb_prom_envs] = optarg;
3636 nb_prom_envs++;
3637 break;
3638 case QEMU_OPTION_old_param:
3639 old_param = 1;
3640 break;
3641 case QEMU_OPTION_clock:
3642 /* Clock options no longer exist. Keep this option for
3643 * backward compatibility.
3645 break;
3646 case QEMU_OPTION_startdate:
3647 configure_rtc_date_offset(optarg, 1);
3648 break;
3649 case QEMU_OPTION_rtc:
3650 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3651 if (!opts) {
3652 exit(1);
3654 configure_rtc(opts);
3655 break;
3656 case QEMU_OPTION_tb_size:
3657 tcg_tb_size = strtol(optarg, NULL, 0);
3658 if (tcg_tb_size < 0) {
3659 tcg_tb_size = 0;
3661 break;
3662 case QEMU_OPTION_icount:
3663 icount_option = optarg;
3664 break;
3665 case QEMU_OPTION_incoming:
3666 incoming = optarg;
3667 runstate_set(RUN_STATE_INMIGRATE);
3668 break;
3669 case QEMU_OPTION_nodefaults:
3670 default_serial = 0;
3671 default_parallel = 0;
3672 default_virtcon = 0;
3673 default_sclp = 0;
3674 default_monitor = 0;
3675 default_net = 0;
3676 default_floppy = 0;
3677 default_cdrom = 0;
3678 default_sdcard = 0;
3679 default_vga = 0;
3680 break;
3681 case QEMU_OPTION_xen_domid:
3682 if (!(xen_available())) {
3683 printf("Option %s not supported for this target\n", popt->name);
3684 exit(1);
3686 xen_domid = atoi(optarg);
3687 break;
3688 case QEMU_OPTION_xen_create:
3689 if (!(xen_available())) {
3690 printf("Option %s not supported for this target\n", popt->name);
3691 exit(1);
3693 xen_mode = XEN_CREATE;
3694 break;
3695 case QEMU_OPTION_xen_attach:
3696 if (!(xen_available())) {
3697 printf("Option %s not supported for this target\n", popt->name);
3698 exit(1);
3700 xen_mode = XEN_ATTACH;
3701 break;
3702 case QEMU_OPTION_trace:
3704 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3705 if (!opts) {
3706 exit(1);
3708 trace_events = qemu_opt_get(opts, "events");
3709 trace_file = qemu_opt_get(opts, "file");
3710 break;
3712 case QEMU_OPTION_readconfig:
3714 int ret = qemu_read_config_file(optarg);
3715 if (ret < 0) {
3716 fprintf(stderr, "read config %s: %s\n", optarg,
3717 strerror(-ret));
3718 exit(1);
3720 break;
3722 case QEMU_OPTION_spice:
3723 olist = qemu_find_opts("spice");
3724 if (!olist) {
3725 fprintf(stderr, "spice is not supported by this qemu build.\n");
3726 exit(1);
3728 opts = qemu_opts_parse(olist, optarg, 0);
3729 if (!opts) {
3730 exit(1);
3732 display_remote++;
3733 break;
3734 case QEMU_OPTION_writeconfig:
3736 FILE *fp;
3737 if (strcmp(optarg, "-") == 0) {
3738 fp = stdout;
3739 } else {
3740 fp = fopen(optarg, "w");
3741 if (fp == NULL) {
3742 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3743 exit(1);
3746 qemu_config_write(fp);
3747 fclose(fp);
3748 break;
3750 case QEMU_OPTION_qtest:
3751 qtest_chrdev = optarg;
3752 break;
3753 case QEMU_OPTION_qtest_log:
3754 qtest_log = optarg;
3755 break;
3756 case QEMU_OPTION_sandbox:
3757 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3758 if (!opts) {
3759 exit(1);
3761 break;
3762 case QEMU_OPTION_add_fd:
3763 #ifndef _WIN32
3764 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3765 if (!opts) {
3766 exit(1);
3768 #else
3769 error_report("File descriptor passing is disabled on this "
3770 "platform");
3771 exit(1);
3772 #endif
3773 break;
3774 case QEMU_OPTION_object:
3775 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3776 if (!opts) {
3777 exit(1);
3779 break;
3780 case QEMU_OPTION_realtime:
3781 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3782 if (!opts) {
3783 exit(1);
3785 configure_realtime(opts);
3786 break;
3787 case QEMU_OPTION_msg:
3788 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3789 if (!opts) {
3790 exit(1);
3792 configure_msg(opts);
3793 break;
3794 default:
3795 os_parse_cmd_args(popt->index, optarg);
3799 loc_set_none();
3801 if (qemu_init_main_loop()) {
3802 fprintf(stderr, "qemu_init_main_loop failed\n");
3803 exit(1);
3806 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3807 exit(1);
3810 #ifndef _WIN32
3811 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3812 exit(1);
3815 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3816 exit(1);
3818 #endif
3820 if (machine == NULL) {
3821 fprintf(stderr, "No machine found.\n");
3822 exit(1);
3825 if (machine->hw_version) {
3826 qemu_set_version(machine->hw_version);
3829 if (qemu_opts_foreach(qemu_find_opts("object"),
3830 object_create, NULL, 0) != 0) {
3831 exit(1);
3834 /* Init CPU def lists, based on config
3835 * - Must be called after all the qemu_read_config_file() calls
3836 * - Must be called before list_cpus()
3837 * - Must be called before machine->init()
3839 cpudef_init();
3841 if (cpu_model && is_help_option(cpu_model)) {
3842 list_cpus(stdout, &fprintf, cpu_model);
3843 exit(0);
3846 /* Open the logfile at this point, if necessary. We can't open the logfile
3847 * when encountering either of the logging options (-d or -D) because the
3848 * other one may be encountered later on the command line, changing the
3849 * location or level of logging.
3851 if (log_mask) {
3852 int mask;
3853 if (log_file) {
3854 qemu_set_log_filename(log_file);
3857 mask = qemu_str_to_log_mask(log_mask);
3858 if (!mask) {
3859 qemu_print_log_usage(stdout);
3860 exit(1);
3862 qemu_set_log(mask);
3865 if (!trace_backend_init(trace_events, trace_file)) {
3866 exit(1);
3869 /* If no data_dir is specified then try to find it relative to the
3870 executable path. */
3871 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3872 data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3873 if (data_dir[data_dir_idx] != NULL) {
3874 data_dir_idx++;
3877 /* If all else fails use the install path specified when building. */
3878 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3879 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3882 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3884 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3885 if (smp_cpus > machine->max_cpus) {
3886 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3887 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3888 machine->max_cpus);
3889 exit(1);
3893 * Get the default machine options from the machine if it is not already
3894 * specified either by the configuration file or by the command line.
3896 if (machine->default_machine_opts) {
3897 qemu_opts_set_defaults(qemu_find_opts("machine"),
3898 machine->default_machine_opts, 0);
3901 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3902 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3904 if (machine->no_serial) {
3905 default_serial = 0;
3907 if (machine->no_parallel) {
3908 default_parallel = 0;
3910 if (!machine->use_virtcon) {
3911 default_virtcon = 0;
3913 if (!machine->use_sclp) {
3914 default_sclp = 0;
3916 if (machine->no_floppy) {
3917 default_floppy = 0;
3919 if (machine->no_cdrom) {
3920 default_cdrom = 0;
3922 if (machine->no_sdcard) {
3923 default_sdcard = 0;
3926 if (is_daemonized()) {
3927 /* According to documentation and historically, -nographic redirects
3928 * serial port, parallel port and monitor to stdio, which does not work
3929 * with -daemonize. We can redirect these to null instead, but since
3930 * -nographic is legacy, let's just error out.
3931 * We disallow -nographic only if all other ports are not redirected
3932 * explicitly, to not break existing legacy setups which uses
3933 * -nographic _and_ redirects all ports explicitly - this is valid
3934 * usage, -nographic is just a no-op in this case.
3936 if (display_type == DT_NOGRAPHIC
3937 && (default_parallel || default_serial
3938 || default_monitor || default_virtcon)) {
3939 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3940 exit(1);
3942 #ifdef CONFIG_CURSES
3943 if (display_type == DT_CURSES) {
3944 fprintf(stderr, "curses display can not be used with -daemonize\n");
3945 exit(1);
3947 #endif
3950 if (display_type == DT_NOGRAPHIC) {
3951 if (default_parallel)
3952 add_device_config(DEV_PARALLEL, "null");
3953 if (default_serial && default_monitor) {
3954 add_device_config(DEV_SERIAL, "mon:stdio");
3955 } else if (default_virtcon && default_monitor) {
3956 add_device_config(DEV_VIRTCON, "mon:stdio");
3957 } else if (default_sclp && default_monitor) {
3958 add_device_config(DEV_SCLP, "mon:stdio");
3959 } else {
3960 if (default_serial)
3961 add_device_config(DEV_SERIAL, "stdio");
3962 if (default_virtcon)
3963 add_device_config(DEV_VIRTCON, "stdio");
3964 if (default_sclp) {
3965 add_device_config(DEV_SCLP, "stdio");
3967 if (default_monitor)
3968 monitor_parse("stdio", "readline");
3970 } else {
3971 if (default_serial)
3972 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3973 if (default_parallel)
3974 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3975 if (default_monitor)
3976 monitor_parse("vc:80Cx24C", "readline");
3977 if (default_virtcon)
3978 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3979 if (default_sclp) {
3980 add_device_config(DEV_SCLP, "vc:80Cx24C");
3984 if (display_type == DT_DEFAULT && !display_remote) {
3985 #if defined(CONFIG_GTK)
3986 display_type = DT_GTK;
3987 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3988 display_type = DT_SDL;
3989 #elif defined(CONFIG_VNC)
3990 vnc_display = "localhost:0,to=99";
3991 show_vnc_port = 1;
3992 #else
3993 display_type = DT_NONE;
3994 #endif
3997 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3998 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3999 "for SDL, ignoring option\n");
4001 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4002 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4003 "ignoring option\n");
4006 #if defined(CONFIG_GTK)
4007 if (display_type == DT_GTK) {
4008 early_gtk_display_init();
4010 #endif
4012 socket_init();
4014 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4015 exit(1);
4016 #ifdef CONFIG_VIRTFS
4017 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4018 exit(1);
4020 #endif
4022 os_daemonize();
4024 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4025 os_pidfile_error();
4026 exit(1);
4029 /* init the memory */
4030 if (ram_size == 0) {
4031 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4034 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4035 != 0) {
4036 exit(0);
4039 configure_accelerator();
4041 if (!qtest_enabled() && qtest_chrdev) {
4042 qtest_init();
4045 machine_opts = qemu_get_machine_opts();
4046 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4047 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4048 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4050 if (!boot_order) {
4051 boot_order = machine->default_boot_order;
4053 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4054 if (opts) {
4055 char *normal_boot_order;
4056 const char *order, *once;
4058 order = qemu_opt_get(opts, "order");
4059 if (order) {
4060 validate_bootdevices(order);
4061 boot_order = order;
4064 once = qemu_opt_get(opts, "once");
4065 if (once) {
4066 validate_bootdevices(once);
4067 normal_boot_order = g_strdup(boot_order);
4068 boot_order = once;
4069 qemu_register_reset(restore_boot_order, normal_boot_order);
4072 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4075 if (!kernel_cmdline) {
4076 kernel_cmdline = "";
4079 linux_boot = (kernel_filename != NULL);
4081 if (!linux_boot && *kernel_cmdline != '\0') {
4082 fprintf(stderr, "-append only allowed with -kernel option\n");
4083 exit(1);
4086 if (!linux_boot && initrd_filename != NULL) {
4087 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4088 exit(1);
4091 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4092 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4093 exit(1);
4096 os_set_line_buffering();
4098 qemu_init_cpu_loop();
4099 qemu_mutex_lock_iothread();
4101 #ifdef CONFIG_SPICE
4102 /* spice needs the timers to be initialized by this point */
4103 qemu_spice_init();
4104 #endif
4106 if (icount_option && (kvm_enabled() || xen_enabled())) {
4107 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4108 exit(1);
4110 configure_icount(icount_option);
4112 /* clean up network at qemu process termination */
4113 atexit(&net_cleanup);
4115 if (net_init_clients() < 0) {
4116 exit(1);
4119 #ifdef CONFIG_TPM
4120 if (tpm_init() < 0) {
4121 exit(1);
4123 #endif
4125 /* init the bluetooth world */
4126 if (foreach_device_config(DEV_BT, bt_parse))
4127 exit(1);
4129 if (!xen_enabled()) {
4130 /* On 32-bit hosts, QEMU is limited by virtual address space */
4131 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4132 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4133 exit(1);
4137 cpu_exec_init_all();
4139 blk_mig_init();
4141 /* open the virtual block devices */
4142 if (snapshot)
4143 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4144 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4145 &machine->block_default_type, 1) != 0) {
4146 exit(1);
4149 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4150 CDROM_OPTS);
4151 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4152 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4154 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4156 if (nb_numa_nodes > 0) {
4157 int i;
4159 if (nb_numa_nodes > MAX_NODES) {
4160 nb_numa_nodes = MAX_NODES;
4163 /* If no memory size if given for any node, assume the default case
4164 * and distribute the available memory equally across all nodes
4166 for (i = 0; i < nb_numa_nodes; i++) {
4167 if (node_mem[i] != 0)
4168 break;
4170 if (i == nb_numa_nodes) {
4171 uint64_t usedmem = 0;
4173 /* On Linux, the each node's border has to be 8MB aligned,
4174 * the final node gets the rest.
4176 for (i = 0; i < nb_numa_nodes - 1; i++) {
4177 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4178 usedmem += node_mem[i];
4180 node_mem[i] = ram_size - usedmem;
4183 for (i = 0; i < nb_numa_nodes; i++) {
4184 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4185 break;
4188 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4189 * must cope with this anyway, because there are BIOSes out there in
4190 * real machines which also use this scheme.
4192 if (i == nb_numa_nodes) {
4193 for (i = 0; i < max_cpus; i++) {
4194 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4199 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4200 exit(1);
4203 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4204 exit(1);
4205 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4206 exit(1);
4207 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4208 exit(1);
4209 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4210 exit(1);
4212 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4213 exit(1);
4215 /* If no default VGA is requested, the default is "none". */
4216 if (default_vga) {
4217 if (cirrus_vga_available()) {
4218 vga_model = "cirrus";
4219 } else if (vga_available()) {
4220 vga_model = "std";
4223 select_vgahw(vga_model);
4225 if (watchdog) {
4226 i = select_watchdog(watchdog);
4227 if (i > 0)
4228 exit (i == 1 ? 1 : 0);
4231 if (machine->compat_props) {
4232 qdev_prop_register_global_list(machine->compat_props);
4234 qemu_add_globals();
4236 qdev_machine_init();
4238 QEMUMachineInitArgs args = { .ram_size = ram_size,
4239 .boot_order = boot_order,
4240 .kernel_filename = kernel_filename,
4241 .kernel_cmdline = kernel_cmdline,
4242 .initrd_filename = initrd_filename,
4243 .cpu_model = cpu_model };
4244 machine->init(&args);
4246 audio_init();
4248 cpu_synchronize_all_post_init();
4250 set_numa_modes();
4252 current_machine = machine;
4254 /* init USB devices */
4255 if (usb_enabled(false)) {
4256 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4257 exit(1);
4260 /* init generic devices */
4261 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4262 exit(1);
4264 net_check_clients();
4266 ds = init_displaystate();
4268 /* init local displays */
4269 switch (display_type) {
4270 case DT_NOGRAPHIC:
4271 break;
4272 #if defined(CONFIG_CURSES)
4273 case DT_CURSES:
4274 curses_display_init(ds, full_screen);
4275 break;
4276 #endif
4277 #if defined(CONFIG_SDL)
4278 case DT_SDL:
4279 sdl_display_init(ds, full_screen, no_frame);
4280 break;
4281 #elif defined(CONFIG_COCOA)
4282 case DT_SDL:
4283 cocoa_display_init(ds, full_screen);
4284 break;
4285 #endif
4286 #if defined(CONFIG_GTK)
4287 case DT_GTK:
4288 gtk_display_init(ds, full_screen);
4289 break;
4290 #endif
4291 default:
4292 break;
4295 /* must be after terminal init, SDL library changes signal handlers */
4296 os_setup_signal_handling();
4298 #ifdef CONFIG_VNC
4299 /* init remote displays */
4300 if (vnc_display) {
4301 Error *local_err = NULL;
4302 vnc_display_init(ds);
4303 vnc_display_open(ds, vnc_display, &local_err);
4304 if (local_err != NULL) {
4305 error_report("Failed to start VNC server on `%s': %s",
4306 vnc_display, error_get_pretty(local_err));
4307 error_free(local_err);
4308 exit(1);
4311 if (show_vnc_port) {
4312 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4315 #endif
4316 #ifdef CONFIG_SPICE
4317 if (using_spice && !spice_displays) {
4318 qemu_spice_display_init(ds);
4320 #endif
4322 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4323 exit(1);
4326 qdev_machine_creation_done();
4328 if (rom_load_all() != 0) {
4329 fprintf(stderr, "rom loading failed\n");
4330 exit(1);
4333 /* TODO: once all bus devices are qdevified, this should be done
4334 * when bus is created by qdev.c */
4335 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4336 qemu_run_machine_init_done_notifiers();
4338 qemu_system_reset(VMRESET_SILENT);
4339 if (loadvm) {
4340 if (load_vmstate(loadvm) < 0) {
4341 autostart = 0;
4345 if (incoming) {
4346 Error *local_err = NULL;
4347 qemu_start_incoming_migration(incoming, &local_err);
4348 if (local_err) {
4349 error_report("-incoming %s: %s", incoming,
4350 error_get_pretty(local_err));
4351 error_free(local_err);
4352 exit(1);
4354 } else if (autostart) {
4355 vm_start();
4358 os_setup_post();
4360 main_loop();
4361 bdrv_close_all();
4362 pause_all_vcpus();
4363 res_free();
4364 #ifdef CONFIG_TPM
4365 tpm_cleanup();
4366 #endif
4368 return 0;