raven: Set a correct PCI I/O memory region
[qemu-kvm.git] / vl.c
blobe2e2ac799eba60cfdd0d418d9362f771ab97e551
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>
31 #include "config-host.h"
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
47 return qemu_main(argc, argv, NULL);
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
59 #include <glib.h>
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "hw/usb.h"
65 #include "hw/pcmcia.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "qemu/cache-utils.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
105 #include "disas/disas.h"
108 #include "slirp/libslirp.h"
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qom/object_interfaces.h"
121 #define DEFAULT_RAM_SIZE 128
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 static int display_remote;
132 const char* keyboard_layout = NULL;
133 ram_addr_t ram_size;
134 const char *mem_path = NULL;
135 int mem_prealloc = 0; /* force preallocation of physical target memory */
136 int nb_nics;
137 NICInfo nd_table[MAX_NICS];
138 int autostart;
139 static int rtc_utc = 1;
140 static int rtc_date_offset = -1; /* -1 means no change */
141 QEMUClockType rtc_clock;
142 int vga_interface_type = VGA_NONE;
143 static int full_screen = 0;
144 static int no_frame = 0;
145 int no_quit = 0;
146 #ifdef CONFIG_GTK
147 static bool grab_on_hover;
148 #endif
149 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
150 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
151 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
152 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
153 int win2k_install_hack = 0;
154 int singlestep = 0;
155 int smp_cpus = 1;
156 int max_cpus = 0;
157 int smp_cores = 1;
158 int smp_threads = 1;
159 #ifdef CONFIG_VNC
160 const char *vnc_display;
161 #endif
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int semihosting_enabled = 0;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 static bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
185 typedef struct FWBootEntry FWBootEntry;
187 struct FWBootEntry {
188 QTAILQ_ENTRY(FWBootEntry) link;
189 int32_t bootindex;
190 DeviceState *dev;
191 char *suffix;
194 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
195 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
197 int nb_numa_nodes;
198 uint64_t node_mem[MAX_NODES];
199 unsigned long *node_cpumask[MAX_NODES];
201 uint8_t qemu_uuid[16];
202 bool qemu_uuid_set;
204 static QEMUBootSetHandler *boot_set_handler;
205 static void *boot_set_opaque;
207 static NotifierList exit_notifiers =
208 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
210 static NotifierList machine_init_done_notifiers =
211 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
213 static bool tcg_allowed = true;
214 bool xen_allowed;
215 uint32_t xen_domid;
216 enum xen_mode xen_mode = XEN_EMULATE;
217 static int tcg_tb_size;
219 static int has_defaults = 1;
220 static int default_serial = 1;
221 static int default_parallel = 1;
222 static int default_virtcon = 1;
223 static int default_sclp = 1;
224 static int default_monitor = 1;
225 static int default_floppy = 1;
226 static int default_cdrom = 1;
227 static int default_sdcard = 1;
228 static int default_vga = 1;
230 static struct {
231 const char *driver;
232 int *flag;
233 } default_list[] = {
234 { .driver = "isa-serial", .flag = &default_serial },
235 { .driver = "isa-parallel", .flag = &default_parallel },
236 { .driver = "isa-fdc", .flag = &default_floppy },
237 { .driver = "ide-cd", .flag = &default_cdrom },
238 { .driver = "ide-hd", .flag = &default_cdrom },
239 { .driver = "ide-drive", .flag = &default_cdrom },
240 { .driver = "scsi-cd", .flag = &default_cdrom },
241 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
242 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
243 { .driver = "virtio-serial", .flag = &default_virtcon },
244 { .driver = "VGA", .flag = &default_vga },
245 { .driver = "isa-vga", .flag = &default_vga },
246 { .driver = "cirrus-vga", .flag = &default_vga },
247 { .driver = "isa-cirrus-vga", .flag = &default_vga },
248 { .driver = "vmware-svga", .flag = &default_vga },
249 { .driver = "qxl-vga", .flag = &default_vga },
252 static QemuOptsList qemu_rtc_opts = {
253 .name = "rtc",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
255 .desc = {
257 .name = "base",
258 .type = QEMU_OPT_STRING,
260 .name = "clock",
261 .type = QEMU_OPT_STRING,
263 .name = "driftfix",
264 .type = QEMU_OPT_STRING,
266 { /* end of list */ }
270 static QemuOptsList qemu_sandbox_opts = {
271 .name = "sandbox",
272 .implied_opt_name = "enable",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
274 .desc = {
276 .name = "enable",
277 .type = QEMU_OPT_BOOL,
279 { /* end of list */ }
283 static QemuOptsList qemu_trace_opts = {
284 .name = "trace",
285 .implied_opt_name = "trace",
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
287 .desc = {
289 .name = "events",
290 .type = QEMU_OPT_STRING,
292 .name = "file",
293 .type = QEMU_OPT_STRING,
295 { /* end of list */ }
299 static QemuOptsList qemu_option_rom_opts = {
300 .name = "option-rom",
301 .implied_opt_name = "romfile",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
303 .desc = {
305 .name = "bootindex",
306 .type = QEMU_OPT_NUMBER,
307 }, {
308 .name = "romfile",
309 .type = QEMU_OPT_STRING,
311 { /* end of list */ }
315 static QemuOptsList qemu_machine_opts = {
316 .name = "machine",
317 .implied_opt_name = "type",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
320 .desc = {
322 .name = "type",
323 .type = QEMU_OPT_STRING,
324 .help = "emulated machine"
325 }, {
326 .name = "accel",
327 .type = QEMU_OPT_STRING,
328 .help = "accelerator list",
329 }, {
330 .name = "kernel_irqchip",
331 .type = QEMU_OPT_BOOL,
332 .help = "use KVM in-kernel irqchip",
333 }, {
334 .name = "kvm_shadow_mem",
335 .type = QEMU_OPT_SIZE,
336 .help = "KVM shadow MMU size",
337 }, {
338 .name = "kernel",
339 .type = QEMU_OPT_STRING,
340 .help = "Linux kernel image file",
341 }, {
342 .name = "initrd",
343 .type = QEMU_OPT_STRING,
344 .help = "Linux initial ramdisk file",
345 }, {
346 .name = "append",
347 .type = QEMU_OPT_STRING,
348 .help = "Linux kernel command line",
349 }, {
350 .name = "dtb",
351 .type = QEMU_OPT_STRING,
352 .help = "Linux kernel device tree file",
353 }, {
354 .name = "dumpdtb",
355 .type = QEMU_OPT_STRING,
356 .help = "Dump current dtb to a file and quit",
357 }, {
358 .name = "phandle_start",
359 .type = QEMU_OPT_NUMBER,
360 .help = "The first phandle ID we may generate dynamically",
361 }, {
362 .name = "dt_compatible",
363 .type = QEMU_OPT_STRING,
364 .help = "Overrides the \"compatible\" property of the dt root node",
365 }, {
366 .name = "dump-guest-core",
367 .type = QEMU_OPT_BOOL,
368 .help = "Include guest memory in a core dump",
369 }, {
370 .name = "mem-merge",
371 .type = QEMU_OPT_BOOL,
372 .help = "enable/disable memory merge support",
374 .name = "usb",
375 .type = QEMU_OPT_BOOL,
376 .help = "Set on/off to enable/disable usb",
378 .name = "firmware",
379 .type = QEMU_OPT_STRING,
380 .help = "firmware image",
382 .name = "kvm-type",
383 .type = QEMU_OPT_STRING,
384 .help = "Specifies the KVM virtualization mode (HV, PR)",
386 { /* End of list */ }
390 static QemuOptsList qemu_boot_opts = {
391 .name = "boot-opts",
392 .implied_opt_name = "order",
393 .merge_lists = true,
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
395 .desc = {
397 .name = "order",
398 .type = QEMU_OPT_STRING,
399 }, {
400 .name = "once",
401 .type = QEMU_OPT_STRING,
402 }, {
403 .name = "menu",
404 .type = QEMU_OPT_BOOL,
405 }, {
406 .name = "splash",
407 .type = QEMU_OPT_STRING,
408 }, {
409 .name = "splash-time",
410 .type = QEMU_OPT_STRING,
411 }, {
412 .name = "reboot-timeout",
413 .type = QEMU_OPT_STRING,
414 }, {
415 .name = "strict",
416 .type = QEMU_OPT_BOOL,
418 { /*End of list */ }
422 static QemuOptsList qemu_add_fd_opts = {
423 .name = "add-fd",
424 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
425 .desc = {
427 .name = "fd",
428 .type = QEMU_OPT_NUMBER,
429 .help = "file descriptor of which a duplicate is added to fd set",
431 .name = "set",
432 .type = QEMU_OPT_NUMBER,
433 .help = "ID of the fd set to add fd to",
435 .name = "opaque",
436 .type = QEMU_OPT_STRING,
437 .help = "free-form string used to describe fd",
439 { /* end of list */ }
443 static QemuOptsList qemu_object_opts = {
444 .name = "object",
445 .implied_opt_name = "qom-type",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
447 .desc = {
452 static QemuOptsList qemu_tpmdev_opts = {
453 .name = "tpmdev",
454 .implied_opt_name = "type",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
456 .desc = {
457 /* options are defined in the TPM backends */
458 { /* end of list */ }
462 static QemuOptsList qemu_realtime_opts = {
463 .name = "realtime",
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
465 .desc = {
467 .name = "mlock",
468 .type = QEMU_OPT_BOOL,
470 { /* end of list */ }
474 static QemuOptsList qemu_msg_opts = {
475 .name = "msg",
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
477 .desc = {
479 .name = "timestamp",
480 .type = QEMU_OPT_BOOL,
482 { /* end of list */ }
486 static QemuOptsList qemu_name_opts = {
487 .name = "name",
488 .implied_opt_name = "guest",
489 .merge_lists = true,
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
491 .desc = {
493 .name = "guest",
494 .type = QEMU_OPT_STRING,
495 .help = "Sets the name of the guest.\n"
496 "This name will be displayed in the SDL window caption.\n"
497 "The name will also be used for the VNC server",
498 }, {
499 .name = "process",
500 .type = QEMU_OPT_STRING,
501 .help = "Sets the name of the QEMU process, as shown in top etc",
502 }, {
503 .name = "debug-threads",
504 .type = QEMU_OPT_BOOL,
505 .help = "When enabled, name the individual threads; defaults off.\n"
506 "NOTE: The thread names are for debugging and not a\n"
507 "stable API.",
509 { /* End of list */ }
514 * Get machine options
516 * Returns: machine options (never null).
518 QemuOpts *qemu_get_machine_opts(void)
520 QemuOptsList *list;
521 QemuOpts *opts;
523 list = qemu_find_opts("machine");
524 assert(list);
525 opts = qemu_opts_find(list, NULL);
526 if (!opts) {
527 opts = qemu_opts_create(list, NULL, 0, &error_abort);
529 return opts;
532 const char *qemu_get_vm_name(void)
534 return qemu_name;
537 static void res_free(void)
539 if (boot_splash_filedata != NULL) {
540 g_free(boot_splash_filedata);
541 boot_splash_filedata = NULL;
545 static int default_driver_check(QemuOpts *opts, void *opaque)
547 const char *driver = qemu_opt_get(opts, "driver");
548 int i;
550 if (!driver)
551 return 0;
552 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
553 if (strcmp(default_list[i].driver, driver) != 0)
554 continue;
555 *(default_list[i].flag) = 0;
557 return 0;
560 /***********************************************************/
561 /* QEMU state */
563 static RunState current_run_state = RUN_STATE_PRELAUNCH;
565 typedef struct {
566 RunState from;
567 RunState to;
568 } RunStateTransition;
570 static const RunStateTransition runstate_transitions_def[] = {
571 /* from -> to */
572 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
573 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
575 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
576 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
579 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
581 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
582 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
585 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
587 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
588 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
590 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
591 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
592 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
594 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
595 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
597 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
599 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
600 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
601 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
602 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
603 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
605 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
606 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
607 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
608 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
610 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
612 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
613 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
616 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
617 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
618 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
621 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
624 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_MAX, RUN_STATE_MAX },
629 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
631 bool runstate_check(RunState state)
633 return current_run_state == state;
636 static void runstate_init(void)
638 const RunStateTransition *p;
640 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
642 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
643 runstate_valid_transitions[p->from][p->to] = true;
647 /* This function will abort() on invalid state transitions */
648 void runstate_set(RunState new_state)
650 assert(new_state < RUN_STATE_MAX);
652 if (!runstate_valid_transitions[current_run_state][new_state]) {
653 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
654 RunState_lookup[current_run_state],
655 RunState_lookup[new_state]);
656 abort();
658 trace_runstate_set(new_state);
659 current_run_state = new_state;
662 int runstate_is_running(void)
664 return runstate_check(RUN_STATE_RUNNING);
667 bool runstate_needs_reset(void)
669 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
670 runstate_check(RUN_STATE_SHUTDOWN);
673 StatusInfo *qmp_query_status(Error **errp)
675 StatusInfo *info = g_malloc0(sizeof(*info));
677 info->running = runstate_is_running();
678 info->singlestep = singlestep;
679 info->status = current_run_state;
681 return info;
684 /***********************************************************/
685 /* real time host monotonic timer */
687 /***********************************************************/
688 /* host time/date access */
689 void qemu_get_timedate(struct tm *tm, int offset)
691 time_t ti;
693 time(&ti);
694 ti += offset;
695 if (rtc_date_offset == -1) {
696 if (rtc_utc)
697 gmtime_r(&ti, tm);
698 else
699 localtime_r(&ti, tm);
700 } else {
701 ti -= rtc_date_offset;
702 gmtime_r(&ti, tm);
706 int qemu_timedate_diff(struct tm *tm)
708 time_t seconds;
710 if (rtc_date_offset == -1)
711 if (rtc_utc)
712 seconds = mktimegm(tm);
713 else {
714 struct tm tmp = *tm;
715 tmp.tm_isdst = -1; /* use timezone to figure it out */
716 seconds = mktime(&tmp);
718 else
719 seconds = mktimegm(tm) + rtc_date_offset;
721 return seconds - time(NULL);
724 void rtc_change_mon_event(struct tm *tm)
726 QObject *data;
728 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
729 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
730 qobject_decref(data);
733 static void configure_rtc_date_offset(const char *startdate, int legacy)
735 time_t rtc_start_date;
736 struct tm tm;
738 if (!strcmp(startdate, "now") && legacy) {
739 rtc_date_offset = -1;
740 } else {
741 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
742 &tm.tm_year,
743 &tm.tm_mon,
744 &tm.tm_mday,
745 &tm.tm_hour,
746 &tm.tm_min,
747 &tm.tm_sec) == 6) {
748 /* OK */
749 } else if (sscanf(startdate, "%d-%d-%d",
750 &tm.tm_year,
751 &tm.tm_mon,
752 &tm.tm_mday) == 3) {
753 tm.tm_hour = 0;
754 tm.tm_min = 0;
755 tm.tm_sec = 0;
756 } else {
757 goto date_fail;
759 tm.tm_year -= 1900;
760 tm.tm_mon--;
761 rtc_start_date = mktimegm(&tm);
762 if (rtc_start_date == -1) {
763 date_fail:
764 fprintf(stderr, "Invalid date format. Valid formats are:\n"
765 "'2006-06-17T16:01:21' or '2006-06-17'\n");
766 exit(1);
768 rtc_date_offset = time(NULL) - rtc_start_date;
772 static void configure_rtc(QemuOpts *opts)
774 const char *value;
776 value = qemu_opt_get(opts, "base");
777 if (value) {
778 if (!strcmp(value, "utc")) {
779 rtc_utc = 1;
780 } else if (!strcmp(value, "localtime")) {
781 rtc_utc = 0;
782 } else {
783 configure_rtc_date_offset(value, 0);
786 value = qemu_opt_get(opts, "clock");
787 if (value) {
788 if (!strcmp(value, "host")) {
789 rtc_clock = QEMU_CLOCK_HOST;
790 } else if (!strcmp(value, "rt")) {
791 rtc_clock = QEMU_CLOCK_REALTIME;
792 } else if (!strcmp(value, "vm")) {
793 rtc_clock = QEMU_CLOCK_VIRTUAL;
794 } else {
795 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
796 exit(1);
799 value = qemu_opt_get(opts, "driftfix");
800 if (value) {
801 if (!strcmp(value, "slew")) {
802 static GlobalProperty slew_lost_ticks[] = {
804 .driver = "mc146818rtc",
805 .property = "lost_tick_policy",
806 .value = "slew",
808 { /* end of list */ }
811 qdev_prop_register_global_list(slew_lost_ticks);
812 } else if (!strcmp(value, "none")) {
813 /* discard is default */
814 } else {
815 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
816 exit(1);
821 /***********************************************************/
822 /* Bluetooth support */
823 static int nb_hcis;
824 static int cur_hci;
825 static struct HCIInfo *hci_table[MAX_NICS];
827 struct HCIInfo *qemu_next_hci(void)
829 if (cur_hci == nb_hcis)
830 return &null_hci;
832 return hci_table[cur_hci++];
835 static int bt_hci_parse(const char *str)
837 struct HCIInfo *hci;
838 bdaddr_t bdaddr;
840 if (nb_hcis >= MAX_NICS) {
841 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
842 return -1;
845 hci = hci_init(str);
846 if (!hci)
847 return -1;
849 bdaddr.b[0] = 0x52;
850 bdaddr.b[1] = 0x54;
851 bdaddr.b[2] = 0x00;
852 bdaddr.b[3] = 0x12;
853 bdaddr.b[4] = 0x34;
854 bdaddr.b[5] = 0x56 + nb_hcis;
855 hci->bdaddr_set(hci, bdaddr.b);
857 hci_table[nb_hcis++] = hci;
859 return 0;
862 static void bt_vhci_add(int vlan_id)
864 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
866 if (!vlan->slave)
867 fprintf(stderr, "qemu: warning: adding a VHCI to "
868 "an empty scatternet %i\n", vlan_id);
870 bt_vhci_init(bt_new_hci(vlan));
873 static struct bt_device_s *bt_device_add(const char *opt)
875 struct bt_scatternet_s *vlan;
876 int vlan_id = 0;
877 char *endp = strstr(opt, ",vlan=");
878 int len = (endp ? endp - opt : strlen(opt)) + 1;
879 char devname[10];
881 pstrcpy(devname, MIN(sizeof(devname), len), opt);
883 if (endp) {
884 vlan_id = strtol(endp + 6, &endp, 0);
885 if (*endp) {
886 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
887 return 0;
891 vlan = qemu_find_bt_vlan(vlan_id);
893 if (!vlan->slave)
894 fprintf(stderr, "qemu: warning: adding a slave device to "
895 "an empty scatternet %i\n", vlan_id);
897 if (!strcmp(devname, "keyboard"))
898 return bt_keyboard_init(vlan);
900 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
901 return 0;
904 static int bt_parse(const char *opt)
906 const char *endp, *p;
907 int vlan;
909 if (strstart(opt, "hci", &endp)) {
910 if (!*endp || *endp == ',') {
911 if (*endp)
912 if (!strstart(endp, ",vlan=", 0))
913 opt = endp + 1;
915 return bt_hci_parse(opt);
917 } else if (strstart(opt, "vhci", &endp)) {
918 if (!*endp || *endp == ',') {
919 if (*endp) {
920 if (strstart(endp, ",vlan=", &p)) {
921 vlan = strtol(p, (char **) &endp, 0);
922 if (*endp) {
923 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
924 return 1;
926 } else {
927 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
928 return 1;
930 } else
931 vlan = 0;
933 bt_vhci_add(vlan);
934 return 0;
936 } else if (strstart(opt, "device:", &endp))
937 return !bt_device_add(endp);
939 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
940 return 1;
943 static int parse_sandbox(QemuOpts *opts, void *opaque)
945 /* FIXME: change this to true for 1.3 */
946 if (qemu_opt_get_bool(opts, "enable", false)) {
947 #ifdef CONFIG_SECCOMP
948 if (seccomp_start() < 0) {
949 qerror_report(ERROR_CLASS_GENERIC_ERROR,
950 "failed to install seccomp syscall filter in the kernel");
951 return -1;
953 #else
954 qerror_report(ERROR_CLASS_GENERIC_ERROR,
955 "sandboxing request but seccomp is not compiled into this build");
956 return -1;
957 #endif
960 return 0;
963 static void parse_name(QemuOpts *opts)
965 const char *proc_name;
967 if (qemu_opt_get(opts, "debug-threads")) {
968 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
970 qemu_name = qemu_opt_get(opts, "guest");
972 proc_name = qemu_opt_get(opts, "process");
973 if (proc_name) {
974 os_set_proc_name(proc_name);
978 bool usb_enabled(bool default_usb)
980 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
981 has_defaults && default_usb);
984 #ifndef _WIN32
985 static int parse_add_fd(QemuOpts *opts, void *opaque)
987 int fd, dupfd, flags;
988 int64_t fdset_id;
989 const char *fd_opaque = NULL;
991 fd = qemu_opt_get_number(opts, "fd", -1);
992 fdset_id = qemu_opt_get_number(opts, "set", -1);
993 fd_opaque = qemu_opt_get(opts, "opaque");
995 if (fd < 0) {
996 qerror_report(ERROR_CLASS_GENERIC_ERROR,
997 "fd option is required and must be non-negative");
998 return -1;
1001 if (fd <= STDERR_FILENO) {
1002 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1003 "fd cannot be a standard I/O stream");
1004 return -1;
1008 * All fds inherited across exec() necessarily have FD_CLOEXEC
1009 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1011 flags = fcntl(fd, F_GETFD);
1012 if (flags == -1 || (flags & FD_CLOEXEC)) {
1013 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1014 "fd is not valid or already in use");
1015 return -1;
1018 if (fdset_id < 0) {
1019 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1020 "set option is required and must be non-negative");
1021 return -1;
1024 #ifdef F_DUPFD_CLOEXEC
1025 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1026 #else
1027 dupfd = dup(fd);
1028 if (dupfd != -1) {
1029 qemu_set_cloexec(dupfd);
1031 #endif
1032 if (dupfd == -1) {
1033 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1034 "Error duplicating fd: %s", strerror(errno));
1035 return -1;
1038 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1039 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1040 fd_opaque, NULL);
1042 return 0;
1045 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1047 int fd;
1049 fd = qemu_opt_get_number(opts, "fd", -1);
1050 close(fd);
1052 return 0;
1054 #endif
1056 /***********************************************************/
1057 /* QEMU Block devices */
1059 #define HD_OPTS "media=disk"
1060 #define CDROM_OPTS "media=cdrom"
1061 #define FD_OPTS ""
1062 #define PFLASH_OPTS ""
1063 #define MTD_OPTS ""
1064 #define SD_OPTS ""
1066 static int drive_init_func(QemuOpts *opts, void *opaque)
1068 BlockInterfaceType *block_default_type = opaque;
1070 return drive_init(opts, *block_default_type) == NULL;
1073 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1075 if (NULL == qemu_opt_get(opts, "snapshot")) {
1076 qemu_opt_set(opts, "snapshot", "on");
1078 return 0;
1081 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1082 int index, const char *optstr)
1084 QemuOpts *opts;
1086 if (!enable || drive_get_by_index(type, index)) {
1087 return;
1090 opts = drive_add(type, index, NULL, optstr);
1091 if (snapshot) {
1092 drive_enable_snapshot(opts, NULL);
1094 if (!drive_init(opts, type)) {
1095 exit(1);
1099 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1101 boot_set_handler = func;
1102 boot_set_opaque = opaque;
1105 int qemu_boot_set(const char *boot_order)
1107 if (!boot_set_handler) {
1108 return -EINVAL;
1110 return boot_set_handler(boot_set_opaque, boot_order);
1113 static void validate_bootdevices(const char *devices)
1115 /* We just do some generic consistency checks */
1116 const char *p;
1117 int bitmap = 0;
1119 for (p = devices; *p != '\0'; p++) {
1120 /* Allowed boot devices are:
1121 * a-b: floppy disk drives
1122 * c-f: IDE disk drives
1123 * g-m: machine implementation dependent drives
1124 * n-p: network devices
1125 * It's up to each machine implementation to check if the given boot
1126 * devices match the actual hardware implementation and firmware
1127 * features.
1129 if (*p < 'a' || *p > 'p') {
1130 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1131 exit(1);
1133 if (bitmap & (1 << (*p - 'a'))) {
1134 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1135 exit(1);
1137 bitmap |= 1 << (*p - 'a');
1141 static void restore_boot_order(void *opaque)
1143 char *normal_boot_order = opaque;
1144 static int first = 1;
1146 /* Restore boot order and remove ourselves after the first boot */
1147 if (first) {
1148 first = 0;
1149 return;
1152 qemu_boot_set(normal_boot_order);
1154 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1155 g_free(normal_boot_order);
1158 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1159 const char *suffix)
1161 FWBootEntry *node, *i;
1163 if (bootindex < 0) {
1164 return;
1167 assert(dev != NULL || suffix != NULL);
1169 node = g_malloc0(sizeof(FWBootEntry));
1170 node->bootindex = bootindex;
1171 node->suffix = g_strdup(suffix);
1172 node->dev = dev;
1174 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1175 if (i->bootindex == bootindex) {
1176 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1177 exit(1);
1178 } else if (i->bootindex < bootindex) {
1179 continue;
1181 QTAILQ_INSERT_BEFORE(i, node, link);
1182 return;
1184 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1187 DeviceState *get_boot_device(uint32_t position)
1189 uint32_t counter = 0;
1190 FWBootEntry *i = NULL;
1191 DeviceState *res = NULL;
1193 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1194 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1195 if (counter == position) {
1196 res = i->dev;
1197 break;
1199 counter++;
1202 return res;
1206 * This function returns null terminated string that consist of new line
1207 * separated device paths.
1209 * memory pointed by "size" is assigned total length of the array in bytes
1212 char *get_boot_devices_list(size_t *size)
1214 FWBootEntry *i;
1215 size_t total = 0;
1216 char *list = NULL;
1218 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1219 char *devpath = NULL, *bootpath;
1220 size_t len;
1222 if (i->dev) {
1223 devpath = qdev_get_fw_dev_path(i->dev);
1224 assert(devpath);
1227 if (i->suffix && devpath) {
1228 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1230 bootpath = g_malloc(bootpathlen);
1231 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1232 g_free(devpath);
1233 } else if (devpath) {
1234 bootpath = devpath;
1235 } else {
1236 assert(i->suffix);
1237 bootpath = g_strdup(i->suffix);
1240 if (total) {
1241 list[total-1] = '\n';
1243 len = strlen(bootpath) + 1;
1244 list = g_realloc(list, total + len);
1245 memcpy(&list[total], bootpath, len);
1246 total += len;
1247 g_free(bootpath);
1250 *size = total;
1252 if (boot_strict && *size > 0) {
1253 list[total-1] = '\n';
1254 list = g_realloc(list, total + 5);
1255 memcpy(&list[total], "HALT", 5);
1256 *size = total + 5;
1258 return list;
1261 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1263 char *endptr;
1264 unsigned long long value, endvalue;
1266 /* Empty CPU range strings will be considered valid, they will simply
1267 * not set any bit in the CPU bitmap.
1269 if (!*cpus) {
1270 return;
1273 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1274 goto error;
1276 if (*endptr == '-') {
1277 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1278 goto error;
1280 } else if (*endptr == '\0') {
1281 endvalue = value;
1282 } else {
1283 goto error;
1286 if (endvalue >= MAX_CPUMASK_BITS) {
1287 endvalue = MAX_CPUMASK_BITS - 1;
1288 fprintf(stderr,
1289 "qemu: NUMA: A max of %d VCPUs are supported\n",
1290 MAX_CPUMASK_BITS);
1293 if (endvalue < value) {
1294 goto error;
1297 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1298 return;
1300 error:
1301 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1302 exit(1);
1305 static void numa_add(const char *optarg)
1307 char option[128];
1308 char *endptr;
1309 unsigned long long nodenr;
1311 optarg = get_opt_name(option, 128, optarg, ',');
1312 if (*optarg == ',') {
1313 optarg++;
1315 if (!strcmp(option, "node")) {
1317 if (nb_numa_nodes >= MAX_NODES) {
1318 fprintf(stderr, "qemu: too many NUMA nodes\n");
1319 exit(1);
1322 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1323 nodenr = nb_numa_nodes;
1324 } else {
1325 if (parse_uint_full(option, &nodenr, 10) < 0) {
1326 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1327 exit(1);
1331 if (nodenr >= MAX_NODES) {
1332 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1333 exit(1);
1336 if (get_param_value(option, 128, "mem", optarg) == 0) {
1337 node_mem[nodenr] = 0;
1338 } else {
1339 int64_t sval;
1340 sval = strtosz(option, &endptr);
1341 if (sval < 0 || *endptr) {
1342 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1343 exit(1);
1345 node_mem[nodenr] = sval;
1347 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1348 numa_node_parse_cpus(nodenr, option);
1350 nb_numa_nodes++;
1351 } else {
1352 fprintf(stderr, "Invalid -numa option: %s\n", option);
1353 exit(1);
1357 static QemuOptsList qemu_smp_opts = {
1358 .name = "smp-opts",
1359 .implied_opt_name = "cpus",
1360 .merge_lists = true,
1361 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1362 .desc = {
1364 .name = "cpus",
1365 .type = QEMU_OPT_NUMBER,
1366 }, {
1367 .name = "sockets",
1368 .type = QEMU_OPT_NUMBER,
1369 }, {
1370 .name = "cores",
1371 .type = QEMU_OPT_NUMBER,
1372 }, {
1373 .name = "threads",
1374 .type = QEMU_OPT_NUMBER,
1375 }, {
1376 .name = "maxcpus",
1377 .type = QEMU_OPT_NUMBER,
1379 { /*End of list */ }
1383 static void smp_parse(QemuOpts *opts)
1385 if (opts) {
1387 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1388 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1389 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1390 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1392 /* compute missing values, prefer sockets over cores over threads */
1393 if (cpus == 0 || sockets == 0) {
1394 sockets = sockets > 0 ? sockets : 1;
1395 cores = cores > 0 ? cores : 1;
1396 threads = threads > 0 ? threads : 1;
1397 if (cpus == 0) {
1398 cpus = cores * threads * sockets;
1400 } else {
1401 if (cores == 0) {
1402 threads = threads > 0 ? threads : 1;
1403 cores = cpus / (sockets * threads);
1404 } else {
1405 threads = cpus / (cores * sockets);
1409 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1411 smp_cpus = cpus;
1412 smp_cores = cores > 0 ? cores : 1;
1413 smp_threads = threads > 0 ? threads : 1;
1417 if (max_cpus == 0) {
1418 max_cpus = smp_cpus;
1421 if (max_cpus > 255) {
1422 fprintf(stderr, "Unsupported number of maxcpus\n");
1423 exit(1);
1425 if (max_cpus < smp_cpus) {
1426 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1427 exit(1);
1432 static void configure_realtime(QemuOpts *opts)
1434 bool enable_mlock;
1436 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1438 if (enable_mlock) {
1439 if (os_mlock() < 0) {
1440 fprintf(stderr, "qemu: locking memory failed\n");
1441 exit(1);
1447 static void configure_msg(QemuOpts *opts)
1449 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1452 /***********************************************************/
1453 /* USB devices */
1455 static int usb_device_add(const char *devname)
1457 USBDevice *dev = NULL;
1458 #ifndef CONFIG_LINUX
1459 const char *p;
1460 #endif
1462 if (!usb_enabled(false)) {
1463 return -1;
1466 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1467 dev = usbdevice_create(devname);
1468 if (dev)
1469 goto done;
1471 /* the other ones */
1472 #ifndef CONFIG_LINUX
1473 /* only the linux version is qdev-ified, usb-bsd still needs this */
1474 if (strstart(devname, "host:", &p)) {
1475 dev = usb_host_device_open(usb_bus_find(-1), p);
1477 #endif
1478 if (!dev)
1479 return -1;
1481 done:
1482 return 0;
1485 static int usb_device_del(const char *devname)
1487 int bus_num, addr;
1488 const char *p;
1490 if (strstart(devname, "host:", &p)) {
1491 return -1;
1494 if (!usb_enabled(false)) {
1495 return -1;
1498 p = strchr(devname, '.');
1499 if (!p)
1500 return -1;
1501 bus_num = strtoul(devname, NULL, 0);
1502 addr = strtoul(p + 1, NULL, 0);
1504 return usb_device_delete_addr(bus_num, addr);
1507 static int usb_parse(const char *cmdline)
1509 int r;
1510 r = usb_device_add(cmdline);
1511 if (r < 0) {
1512 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1514 return r;
1517 void do_usb_add(Monitor *mon, const QDict *qdict)
1519 const char *devname = qdict_get_str(qdict, "devname");
1520 if (usb_device_add(devname) < 0) {
1521 error_report("could not add USB device '%s'", devname);
1525 void do_usb_del(Monitor *mon, const QDict *qdict)
1527 const char *devname = qdict_get_str(qdict, "devname");
1528 if (usb_device_del(devname) < 0) {
1529 error_report("could not delete USB device '%s'", devname);
1533 /***********************************************************/
1534 /* PCMCIA/Cardbus */
1536 static struct pcmcia_socket_entry_s {
1537 PCMCIASocket *socket;
1538 struct pcmcia_socket_entry_s *next;
1539 } *pcmcia_sockets = 0;
1541 void pcmcia_socket_register(PCMCIASocket *socket)
1543 struct pcmcia_socket_entry_s *entry;
1545 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1546 entry->socket = socket;
1547 entry->next = pcmcia_sockets;
1548 pcmcia_sockets = entry;
1551 void pcmcia_socket_unregister(PCMCIASocket *socket)
1553 struct pcmcia_socket_entry_s *entry, **ptr;
1555 ptr = &pcmcia_sockets;
1556 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1557 if (entry->socket == socket) {
1558 *ptr = entry->next;
1559 g_free(entry);
1563 void pcmcia_info(Monitor *mon, const QDict *qdict)
1565 struct pcmcia_socket_entry_s *iter;
1567 if (!pcmcia_sockets)
1568 monitor_printf(mon, "No PCMCIA sockets\n");
1570 for (iter = pcmcia_sockets; iter; iter = iter->next)
1571 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1572 iter->socket->attached ? iter->socket->card_string :
1573 "Empty");
1576 /***********************************************************/
1577 /* machine registration */
1579 MachineState *current_machine;
1581 static void machine_class_init(ObjectClass *oc, void *data)
1583 MachineClass *mc = MACHINE_CLASS(oc);
1585 mc->qemu_machine = data;
1588 int qemu_register_machine(QEMUMachine *m)
1590 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1591 TypeInfo ti = {
1592 .name = name,
1593 .parent = TYPE_MACHINE,
1594 .class_init = machine_class_init,
1595 .class_data = (void *)m,
1598 type_register(&ti);
1599 g_free(name);
1601 return 0;
1604 static MachineClass *find_machine(const char *name)
1606 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1607 MachineClass *mc = NULL;
1609 for (el = machines; el; el = el->next) {
1610 MachineClass *temp = el->data;
1612 if (!strcmp(temp->qemu_machine->name, name)) {
1613 mc = temp;
1614 break;
1616 if (temp->qemu_machine->alias &&
1617 !strcmp(temp->qemu_machine->alias, name)) {
1618 mc = temp;
1619 break;
1623 g_slist_free(machines);
1624 return mc;
1627 MachineClass *find_default_machine(void)
1629 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1630 MachineClass *mc = NULL;
1632 for (el = machines; el; el = el->next) {
1633 MachineClass *temp = el->data;
1635 if (temp->qemu_machine->is_default) {
1636 mc = temp;
1637 break;
1641 g_slist_free(machines);
1642 return mc;
1645 MachineInfoList *qmp_query_machines(Error **errp)
1647 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1648 MachineInfoList *mach_list = NULL;
1649 QEMUMachine *m;
1651 for (el = machines; el; el = el->next) {
1652 MachineClass *mc = el->data;
1653 MachineInfoList *entry;
1654 MachineInfo *info;
1656 m = mc->qemu_machine;
1657 info = g_malloc0(sizeof(*info));
1658 if (m->is_default) {
1659 info->has_is_default = true;
1660 info->is_default = true;
1663 if (m->alias) {
1664 info->has_alias = true;
1665 info->alias = g_strdup(m->alias);
1668 info->name = g_strdup(m->name);
1669 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1671 entry = g_malloc0(sizeof(*entry));
1672 entry->value = info;
1673 entry->next = mach_list;
1674 mach_list = entry;
1677 g_slist_free(machines);
1678 return mach_list;
1681 /***********************************************************/
1682 /* main execution loop */
1684 struct vm_change_state_entry {
1685 VMChangeStateHandler *cb;
1686 void *opaque;
1687 QLIST_ENTRY (vm_change_state_entry) entries;
1690 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1692 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1693 void *opaque)
1695 VMChangeStateEntry *e;
1697 e = g_malloc0(sizeof (*e));
1699 e->cb = cb;
1700 e->opaque = opaque;
1701 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1702 return e;
1705 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1707 QLIST_REMOVE (e, entries);
1708 g_free (e);
1711 void vm_state_notify(int running, RunState state)
1713 VMChangeStateEntry *e;
1715 trace_vm_state_notify(running, state);
1717 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1718 e->cb(e->opaque, running, state);
1722 void vm_start(void)
1724 if (!runstate_is_running()) {
1725 cpu_enable_ticks();
1726 runstate_set(RUN_STATE_RUNNING);
1727 vm_state_notify(1, RUN_STATE_RUNNING);
1728 resume_all_vcpus();
1729 monitor_protocol_event(QEVENT_RESUME, NULL);
1733 /* reset/shutdown handler */
1735 typedef struct QEMUResetEntry {
1736 QTAILQ_ENTRY(QEMUResetEntry) entry;
1737 QEMUResetHandler *func;
1738 void *opaque;
1739 } QEMUResetEntry;
1741 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1742 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1743 static int reset_requested;
1744 static int shutdown_requested, shutdown_signal = -1;
1745 static pid_t shutdown_pid;
1746 static int powerdown_requested;
1747 static int debug_requested;
1748 static int suspend_requested;
1749 static WakeupReason wakeup_reason;
1750 static NotifierList powerdown_notifiers =
1751 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1752 static NotifierList suspend_notifiers =
1753 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1754 static NotifierList wakeup_notifiers =
1755 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1756 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1757 static RunState vmstop_requested = RUN_STATE_MAX;
1759 int qemu_shutdown_requested_get(void)
1761 return shutdown_requested;
1764 int qemu_reset_requested_get(void)
1766 return reset_requested;
1769 static int qemu_shutdown_requested(void)
1771 int r = shutdown_requested;
1772 shutdown_requested = 0;
1773 return r;
1776 static void qemu_kill_report(void)
1778 if (!qtest_driver() && shutdown_signal != -1) {
1779 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1780 if (shutdown_pid == 0) {
1781 /* This happens for eg ^C at the terminal, so it's worth
1782 * avoiding printing an odd message in that case.
1784 fputc('\n', stderr);
1785 } else {
1786 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1788 shutdown_signal = -1;
1792 static int qemu_reset_requested(void)
1794 int r = reset_requested;
1795 reset_requested = 0;
1796 return r;
1799 static int qemu_suspend_requested(void)
1801 int r = suspend_requested;
1802 suspend_requested = 0;
1803 return r;
1806 static WakeupReason qemu_wakeup_requested(void)
1808 return wakeup_reason;
1811 static int qemu_powerdown_requested(void)
1813 int r = powerdown_requested;
1814 powerdown_requested = 0;
1815 return r;
1818 static int qemu_debug_requested(void)
1820 int r = debug_requested;
1821 debug_requested = 0;
1822 return r;
1825 /* We use RUN_STATE_MAX but any invalid value will do */
1826 static bool qemu_vmstop_requested(RunState *r)
1828 if (vmstop_requested < RUN_STATE_MAX) {
1829 *r = vmstop_requested;
1830 vmstop_requested = RUN_STATE_MAX;
1831 return true;
1834 return false;
1837 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1839 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1841 re->func = func;
1842 re->opaque = opaque;
1843 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1846 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1848 QEMUResetEntry *re;
1850 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1851 if (re->func == func && re->opaque == opaque) {
1852 QTAILQ_REMOVE(&reset_handlers, re, entry);
1853 g_free(re);
1854 return;
1859 void qemu_devices_reset(void)
1861 QEMUResetEntry *re, *nre;
1863 /* reset all devices */
1864 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1865 re->func(re->opaque);
1869 void qemu_system_reset(bool report)
1871 MachineClass *mc;
1873 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1875 if (mc && mc->qemu_machine->reset) {
1876 mc->qemu_machine->reset();
1877 } else {
1878 qemu_devices_reset();
1880 if (report) {
1881 monitor_protocol_event(QEVENT_RESET, NULL);
1883 cpu_synchronize_all_post_reset();
1886 void qemu_system_reset_request(void)
1888 if (no_reboot) {
1889 shutdown_requested = 1;
1890 } else {
1891 reset_requested = 1;
1893 cpu_stop_current();
1894 qemu_notify_event();
1897 static void qemu_system_suspend(void)
1899 pause_all_vcpus();
1900 notifier_list_notify(&suspend_notifiers, NULL);
1901 runstate_set(RUN_STATE_SUSPENDED);
1902 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1905 void qemu_system_suspend_request(void)
1907 if (runstate_check(RUN_STATE_SUSPENDED)) {
1908 return;
1910 suspend_requested = 1;
1911 cpu_stop_current();
1912 qemu_notify_event();
1915 void qemu_register_suspend_notifier(Notifier *notifier)
1917 notifier_list_add(&suspend_notifiers, notifier);
1920 void qemu_system_wakeup_request(WakeupReason reason)
1922 trace_system_wakeup_request(reason);
1924 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1925 return;
1927 if (!(wakeup_reason_mask & (1 << reason))) {
1928 return;
1930 runstate_set(RUN_STATE_RUNNING);
1931 wakeup_reason = reason;
1932 qemu_notify_event();
1935 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1937 if (enabled) {
1938 wakeup_reason_mask |= (1 << reason);
1939 } else {
1940 wakeup_reason_mask &= ~(1 << reason);
1944 void qemu_register_wakeup_notifier(Notifier *notifier)
1946 notifier_list_add(&wakeup_notifiers, notifier);
1949 void qemu_system_killed(int signal, pid_t pid)
1951 shutdown_signal = signal;
1952 shutdown_pid = pid;
1953 no_shutdown = 0;
1954 qemu_system_shutdown_request();
1957 void qemu_system_shutdown_request(void)
1959 shutdown_requested = 1;
1960 qemu_notify_event();
1963 static void qemu_system_powerdown(void)
1965 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1966 notifier_list_notify(&powerdown_notifiers, NULL);
1969 void qemu_system_powerdown_request(void)
1971 powerdown_requested = 1;
1972 qemu_notify_event();
1975 void qemu_register_powerdown_notifier(Notifier *notifier)
1977 notifier_list_add(&powerdown_notifiers, notifier);
1980 void qemu_system_debug_request(void)
1982 debug_requested = 1;
1983 qemu_notify_event();
1986 void qemu_system_vmstop_request(RunState state)
1988 vmstop_requested = state;
1989 qemu_notify_event();
1992 static bool main_loop_should_exit(void)
1994 RunState r;
1995 if (qemu_debug_requested()) {
1996 vm_stop(RUN_STATE_DEBUG);
1998 if (qemu_suspend_requested()) {
1999 qemu_system_suspend();
2001 if (qemu_shutdown_requested()) {
2002 qemu_kill_report();
2003 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2004 if (no_shutdown) {
2005 vm_stop(RUN_STATE_SHUTDOWN);
2006 } else {
2007 return true;
2010 if (qemu_reset_requested()) {
2011 pause_all_vcpus();
2012 cpu_synchronize_all_states();
2013 qemu_system_reset(VMRESET_REPORT);
2014 resume_all_vcpus();
2015 if (runstate_needs_reset()) {
2016 runstate_set(RUN_STATE_PAUSED);
2019 if (qemu_wakeup_requested()) {
2020 pause_all_vcpus();
2021 cpu_synchronize_all_states();
2022 qemu_system_reset(VMRESET_SILENT);
2023 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2024 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2025 resume_all_vcpus();
2026 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2028 if (qemu_powerdown_requested()) {
2029 qemu_system_powerdown();
2031 if (qemu_vmstop_requested(&r)) {
2032 vm_stop(r);
2034 return false;
2037 static void main_loop(void)
2039 bool nonblocking;
2040 int last_io = 0;
2041 #ifdef CONFIG_PROFILER
2042 int64_t ti;
2043 #endif
2044 do {
2045 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2046 #ifdef CONFIG_PROFILER
2047 ti = profile_getclock();
2048 #endif
2049 last_io = main_loop_wait(nonblocking);
2050 #ifdef CONFIG_PROFILER
2051 dev_time += profile_getclock() - ti;
2052 #endif
2053 } while (!main_loop_should_exit());
2056 static void version(void)
2058 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2061 static void help(int exitcode)
2063 version();
2064 printf("usage: %s [options] [disk_image]\n\n"
2065 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2066 error_get_progname());
2068 #define QEMU_OPTIONS_GENERATE_HELP
2069 #include "qemu-options-wrapper.h"
2071 printf("\nDuring emulation, the following keys are useful:\n"
2072 "ctrl-alt-f toggle full screen\n"
2073 "ctrl-alt-n switch to virtual console 'n'\n"
2074 "ctrl-alt toggle mouse and keyboard grab\n"
2075 "\n"
2076 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2078 exit(exitcode);
2081 #define HAS_ARG 0x0001
2083 typedef struct QEMUOption {
2084 const char *name;
2085 int flags;
2086 int index;
2087 uint32_t arch_mask;
2088 } QEMUOption;
2090 static const QEMUOption qemu_options[] = {
2091 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2092 #define QEMU_OPTIONS_GENERATE_OPTIONS
2093 #include "qemu-options-wrapper.h"
2094 { NULL },
2097 static bool vga_available(void)
2099 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2102 static bool cirrus_vga_available(void)
2104 return object_class_by_name("cirrus-vga")
2105 || object_class_by_name("isa-cirrus-vga");
2108 static bool vmware_vga_available(void)
2110 return object_class_by_name("vmware-svga");
2113 static bool qxl_vga_available(void)
2115 return object_class_by_name("qxl-vga");
2118 static bool tcx_vga_available(void)
2120 return object_class_by_name("SUNW,tcx");
2123 static bool cg3_vga_available(void)
2125 return object_class_by_name("cgthree");
2128 static void select_vgahw (const char *p)
2130 const char *opts;
2132 assert(vga_interface_type == VGA_NONE);
2133 if (strstart(p, "std", &opts)) {
2134 if (vga_available()) {
2135 vga_interface_type = VGA_STD;
2136 } else {
2137 fprintf(stderr, "Error: standard VGA not available\n");
2138 exit(0);
2140 } else if (strstart(p, "cirrus", &opts)) {
2141 if (cirrus_vga_available()) {
2142 vga_interface_type = VGA_CIRRUS;
2143 } else {
2144 fprintf(stderr, "Error: Cirrus VGA not available\n");
2145 exit(0);
2147 } else if (strstart(p, "vmware", &opts)) {
2148 if (vmware_vga_available()) {
2149 vga_interface_type = VGA_VMWARE;
2150 } else {
2151 fprintf(stderr, "Error: VMWare SVGA not available\n");
2152 exit(0);
2154 } else if (strstart(p, "xenfb", &opts)) {
2155 vga_interface_type = VGA_XENFB;
2156 } else if (strstart(p, "qxl", &opts)) {
2157 if (qxl_vga_available()) {
2158 vga_interface_type = VGA_QXL;
2159 } else {
2160 fprintf(stderr, "Error: QXL VGA not available\n");
2161 exit(0);
2163 } else if (strstart(p, "tcx", &opts)) {
2164 if (tcx_vga_available()) {
2165 vga_interface_type = VGA_TCX;
2166 } else {
2167 fprintf(stderr, "Error: TCX framebuffer not available\n");
2168 exit(0);
2170 } else if (strstart(p, "cg3", &opts)) {
2171 if (cg3_vga_available()) {
2172 vga_interface_type = VGA_CG3;
2173 } else {
2174 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2175 exit(0);
2177 } else if (!strstart(p, "none", &opts)) {
2178 invalid_vga:
2179 fprintf(stderr, "Unknown vga type: %s\n", p);
2180 exit(1);
2182 while (*opts) {
2183 const char *nextopt;
2185 if (strstart(opts, ",retrace=", &nextopt)) {
2186 opts = nextopt;
2187 if (strstart(opts, "dumb", &nextopt))
2188 vga_retrace_method = VGA_RETRACE_DUMB;
2189 else if (strstart(opts, "precise", &nextopt))
2190 vga_retrace_method = VGA_RETRACE_PRECISE;
2191 else goto invalid_vga;
2192 } else goto invalid_vga;
2193 opts = nextopt;
2197 static DisplayType select_display(const char *p)
2199 const char *opts;
2200 DisplayType display = DT_DEFAULT;
2202 if (strstart(p, "sdl", &opts)) {
2203 #ifdef CONFIG_SDL
2204 display = DT_SDL;
2205 while (*opts) {
2206 const char *nextopt;
2208 if (strstart(opts, ",frame=", &nextopt)) {
2209 opts = nextopt;
2210 if (strstart(opts, "on", &nextopt)) {
2211 no_frame = 0;
2212 } else if (strstart(opts, "off", &nextopt)) {
2213 no_frame = 1;
2214 } else {
2215 goto invalid_sdl_args;
2217 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2218 opts = nextopt;
2219 if (strstart(opts, "on", &nextopt)) {
2220 alt_grab = 1;
2221 } else if (strstart(opts, "off", &nextopt)) {
2222 alt_grab = 0;
2223 } else {
2224 goto invalid_sdl_args;
2226 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2227 opts = nextopt;
2228 if (strstart(opts, "on", &nextopt)) {
2229 ctrl_grab = 1;
2230 } else if (strstart(opts, "off", &nextopt)) {
2231 ctrl_grab = 0;
2232 } else {
2233 goto invalid_sdl_args;
2235 } else if (strstart(opts, ",window_close=", &nextopt)) {
2236 opts = nextopt;
2237 if (strstart(opts, "on", &nextopt)) {
2238 no_quit = 0;
2239 } else if (strstart(opts, "off", &nextopt)) {
2240 no_quit = 1;
2241 } else {
2242 goto invalid_sdl_args;
2244 } else {
2245 invalid_sdl_args:
2246 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2247 exit(1);
2249 opts = nextopt;
2251 #else
2252 fprintf(stderr, "SDL support is disabled\n");
2253 exit(1);
2254 #endif
2255 } else if (strstart(p, "vnc", &opts)) {
2256 #ifdef CONFIG_VNC
2257 display_remote++;
2259 if (*opts) {
2260 const char *nextopt;
2262 if (strstart(opts, "=", &nextopt)) {
2263 vnc_display = nextopt;
2266 if (!vnc_display) {
2267 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2268 exit(1);
2270 #else
2271 fprintf(stderr, "VNC support is disabled\n");
2272 exit(1);
2273 #endif
2274 } else if (strstart(p, "curses", &opts)) {
2275 #ifdef CONFIG_CURSES
2276 display = DT_CURSES;
2277 #else
2278 fprintf(stderr, "Curses support is disabled\n");
2279 exit(1);
2280 #endif
2281 } else if (strstart(p, "gtk", &opts)) {
2282 #ifdef CONFIG_GTK
2283 display = DT_GTK;
2284 while (*opts) {
2285 const char *nextopt;
2287 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2288 opts = nextopt;
2289 if (strstart(opts, "on", &nextopt)) {
2290 grab_on_hover = true;
2291 } else if (strstart(opts, "off", &nextopt)) {
2292 grab_on_hover = false;
2293 } else {
2294 goto invalid_gtk_args;
2296 } else {
2297 invalid_gtk_args:
2298 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2299 exit(1);
2301 opts = nextopt;
2303 #else
2304 fprintf(stderr, "GTK support is disabled\n");
2305 exit(1);
2306 #endif
2307 } else if (strstart(p, "none", &opts)) {
2308 display = DT_NONE;
2309 } else {
2310 fprintf(stderr, "Unknown display type: %s\n", p);
2311 exit(1);
2314 return display;
2317 static int balloon_parse(const char *arg)
2319 QemuOpts *opts;
2321 if (strcmp(arg, "none") == 0) {
2322 return 0;
2325 if (!strncmp(arg, "virtio", 6)) {
2326 if (arg[6] == ',') {
2327 /* have params -> parse them */
2328 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2329 if (!opts)
2330 return -1;
2331 } else {
2332 /* create empty opts */
2333 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2334 &error_abort);
2336 qemu_opt_set(opts, "driver", "virtio-balloon");
2337 return 0;
2340 return -1;
2343 char *qemu_find_file(int type, const char *name)
2345 int i;
2346 const char *subdir;
2347 char *buf;
2349 /* Try the name as a straight path first */
2350 if (access(name, R_OK) == 0) {
2351 trace_load_file(name, name);
2352 return g_strdup(name);
2355 switch (type) {
2356 case QEMU_FILE_TYPE_BIOS:
2357 subdir = "";
2358 break;
2359 case QEMU_FILE_TYPE_KEYMAP:
2360 subdir = "keymaps/";
2361 break;
2362 default:
2363 abort();
2366 for (i = 0; i < data_dir_idx; i++) {
2367 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2368 if (access(buf, R_OK) == 0) {
2369 trace_load_file(name, buf);
2370 return buf;
2372 g_free(buf);
2374 return NULL;
2377 static int device_help_func(QemuOpts *opts, void *opaque)
2379 return qdev_device_help(opts);
2382 static int device_init_func(QemuOpts *opts, void *opaque)
2384 DeviceState *dev;
2386 dev = qdev_device_add(opts);
2387 if (!dev)
2388 return -1;
2389 object_unref(OBJECT(dev));
2390 return 0;
2393 static int chardev_init_func(QemuOpts *opts, void *opaque)
2395 Error *local_err = NULL;
2397 qemu_chr_new_from_opts(opts, NULL, &local_err);
2398 if (local_err) {
2399 error_report("%s", error_get_pretty(local_err));
2400 error_free(local_err);
2401 return -1;
2403 return 0;
2406 #ifdef CONFIG_VIRTFS
2407 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2409 int ret;
2410 ret = qemu_fsdev_add(opts);
2412 return ret;
2414 #endif
2416 static int mon_init_func(QemuOpts *opts, void *opaque)
2418 CharDriverState *chr;
2419 const char *chardev;
2420 const char *mode;
2421 int flags;
2423 mode = qemu_opt_get(opts, "mode");
2424 if (mode == NULL) {
2425 mode = "readline";
2427 if (strcmp(mode, "readline") == 0) {
2428 flags = MONITOR_USE_READLINE;
2429 } else if (strcmp(mode, "control") == 0) {
2430 flags = MONITOR_USE_CONTROL;
2431 } else {
2432 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2433 exit(1);
2436 if (qemu_opt_get_bool(opts, "pretty", 0))
2437 flags |= MONITOR_USE_PRETTY;
2439 if (qemu_opt_get_bool(opts, "default", 0))
2440 flags |= MONITOR_IS_DEFAULT;
2442 chardev = qemu_opt_get(opts, "chardev");
2443 chr = qemu_chr_find(chardev);
2444 if (chr == NULL) {
2445 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2446 exit(1);
2449 qemu_chr_fe_claim_no_fail(chr);
2450 monitor_init(chr, flags);
2451 return 0;
2454 static void monitor_parse(const char *optarg, const char *mode)
2456 static int monitor_device_index = 0;
2457 QemuOpts *opts;
2458 const char *p;
2459 char label[32];
2460 int def = 0;
2462 if (strstart(optarg, "chardev:", &p)) {
2463 snprintf(label, sizeof(label), "%s", p);
2464 } else {
2465 snprintf(label, sizeof(label), "compat_monitor%d",
2466 monitor_device_index);
2467 if (monitor_device_index == 0) {
2468 def = 1;
2470 opts = qemu_chr_parse_compat(label, optarg);
2471 if (!opts) {
2472 fprintf(stderr, "parse error: %s\n", optarg);
2473 exit(1);
2477 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2478 if (!opts) {
2479 fprintf(stderr, "duplicate chardev: %s\n", label);
2480 exit(1);
2482 qemu_opt_set(opts, "mode", mode);
2483 qemu_opt_set(opts, "chardev", label);
2484 if (def)
2485 qemu_opt_set(opts, "default", "on");
2486 monitor_device_index++;
2489 struct device_config {
2490 enum {
2491 DEV_USB, /* -usbdevice */
2492 DEV_BT, /* -bt */
2493 DEV_SERIAL, /* -serial */
2494 DEV_PARALLEL, /* -parallel */
2495 DEV_VIRTCON, /* -virtioconsole */
2496 DEV_DEBUGCON, /* -debugcon */
2497 DEV_GDB, /* -gdb, -s */
2498 DEV_SCLP, /* s390 sclp */
2499 } type;
2500 const char *cmdline;
2501 Location loc;
2502 QTAILQ_ENTRY(device_config) next;
2505 static QTAILQ_HEAD(, device_config) device_configs =
2506 QTAILQ_HEAD_INITIALIZER(device_configs);
2508 static void add_device_config(int type, const char *cmdline)
2510 struct device_config *conf;
2512 conf = g_malloc0(sizeof(*conf));
2513 conf->type = type;
2514 conf->cmdline = cmdline;
2515 loc_save(&conf->loc);
2516 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2519 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2521 struct device_config *conf;
2522 int rc;
2524 QTAILQ_FOREACH(conf, &device_configs, next) {
2525 if (conf->type != type)
2526 continue;
2527 loc_push_restore(&conf->loc);
2528 rc = func(conf->cmdline);
2529 loc_pop(&conf->loc);
2530 if (0 != rc)
2531 return rc;
2533 return 0;
2536 static int serial_parse(const char *devname)
2538 static int index = 0;
2539 char label[32];
2541 if (strcmp(devname, "none") == 0)
2542 return 0;
2543 if (index == MAX_SERIAL_PORTS) {
2544 fprintf(stderr, "qemu: too many serial ports\n");
2545 exit(1);
2547 snprintf(label, sizeof(label), "serial%d", index);
2548 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2549 if (!serial_hds[index]) {
2550 fprintf(stderr, "qemu: could not connect serial device"
2551 " to character backend '%s'\n", devname);
2552 return -1;
2554 index++;
2555 return 0;
2558 static int parallel_parse(const char *devname)
2560 static int index = 0;
2561 char label[32];
2563 if (strcmp(devname, "none") == 0)
2564 return 0;
2565 if (index == MAX_PARALLEL_PORTS) {
2566 fprintf(stderr, "qemu: too many parallel ports\n");
2567 exit(1);
2569 snprintf(label, sizeof(label), "parallel%d", index);
2570 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2571 if (!parallel_hds[index]) {
2572 fprintf(stderr, "qemu: could not connect parallel device"
2573 " to character backend '%s'\n", devname);
2574 return -1;
2576 index++;
2577 return 0;
2580 static int virtcon_parse(const char *devname)
2582 QemuOptsList *device = qemu_find_opts("device");
2583 static int index = 0;
2584 char label[32];
2585 QemuOpts *bus_opts, *dev_opts;
2587 if (strcmp(devname, "none") == 0)
2588 return 0;
2589 if (index == MAX_VIRTIO_CONSOLES) {
2590 fprintf(stderr, "qemu: too many virtio consoles\n");
2591 exit(1);
2594 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2595 if (arch_type == QEMU_ARCH_S390X) {
2596 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2597 } else {
2598 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2601 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2602 qemu_opt_set(dev_opts, "driver", "virtconsole");
2604 snprintf(label, sizeof(label), "virtcon%d", index);
2605 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2606 if (!virtcon_hds[index]) {
2607 fprintf(stderr, "qemu: could not connect virtio console"
2608 " to character backend '%s'\n", devname);
2609 return -1;
2611 qemu_opt_set(dev_opts, "chardev", label);
2613 index++;
2614 return 0;
2617 static int sclp_parse(const char *devname)
2619 QemuOptsList *device = qemu_find_opts("device");
2620 static int index = 0;
2621 char label[32];
2622 QemuOpts *dev_opts;
2624 if (strcmp(devname, "none") == 0) {
2625 return 0;
2627 if (index == MAX_SCLP_CONSOLES) {
2628 fprintf(stderr, "qemu: too many sclp consoles\n");
2629 exit(1);
2632 assert(arch_type == QEMU_ARCH_S390X);
2634 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2635 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2637 snprintf(label, sizeof(label), "sclpcon%d", index);
2638 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2639 if (!sclp_hds[index]) {
2640 fprintf(stderr, "qemu: could not connect sclp console"
2641 " to character backend '%s'\n", devname);
2642 return -1;
2644 qemu_opt_set(dev_opts, "chardev", label);
2646 index++;
2647 return 0;
2650 static int debugcon_parse(const char *devname)
2652 QemuOpts *opts;
2654 if (!qemu_chr_new("debugcon", devname, NULL)) {
2655 exit(1);
2657 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2658 if (!opts) {
2659 fprintf(stderr, "qemu: already have a debugcon device\n");
2660 exit(1);
2662 qemu_opt_set(opts, "driver", "isa-debugcon");
2663 qemu_opt_set(opts, "chardev", "debugcon");
2664 return 0;
2667 static MachineClass *machine_parse(const char *name)
2669 MachineClass *mc = NULL;
2670 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2672 if (name) {
2673 mc = find_machine(name);
2675 if (mc) {
2676 return mc;
2678 if (name && !is_help_option(name)) {
2679 error_report("Unsupported machine type");
2680 error_printf("Use -machine help to list supported machines!\n");
2681 } else {
2682 printf("Supported machines are:\n");
2683 for (el = machines; el; el = el->next) {
2684 MachineClass *mc = el->data;
2685 QEMUMachine *m = mc->qemu_machine;
2686 if (m->alias) {
2687 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2689 printf("%-20s %s%s\n", m->name, m->desc,
2690 m->is_default ? " (default)" : "");
2694 g_slist_free(machines);
2695 exit(!name || !is_help_option(name));
2698 static int tcg_init(QEMUMachine *machine)
2700 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2701 return 0;
2704 static struct {
2705 const char *opt_name;
2706 const char *name;
2707 int (*available)(void);
2708 int (*init)(QEMUMachine *);
2709 bool *allowed;
2710 } accel_list[] = {
2711 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2712 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2713 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2714 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2717 static int configure_accelerator(QEMUMachine *machine)
2719 const char *p;
2720 char buf[10];
2721 int i, ret;
2722 bool accel_initialised = false;
2723 bool init_failed = false;
2725 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2726 if (p == NULL) {
2727 /* Use the default "accelerator", tcg */
2728 p = "tcg";
2731 while (!accel_initialised && *p != '\0') {
2732 if (*p == ':') {
2733 p++;
2735 p = get_opt_name(buf, sizeof (buf), p, ':');
2736 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2737 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2738 if (!accel_list[i].available()) {
2739 printf("%s not supported for this target\n",
2740 accel_list[i].name);
2741 continue;
2743 *(accel_list[i].allowed) = true;
2744 ret = accel_list[i].init(machine);
2745 if (ret < 0) {
2746 init_failed = true;
2747 fprintf(stderr, "failed to initialize %s: %s\n",
2748 accel_list[i].name,
2749 strerror(-ret));
2750 *(accel_list[i].allowed) = false;
2751 } else {
2752 accel_initialised = true;
2754 break;
2757 if (i == ARRAY_SIZE(accel_list)) {
2758 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2762 if (!accel_initialised) {
2763 if (!init_failed) {
2764 fprintf(stderr, "No accelerator found!\n");
2766 exit(1);
2769 if (init_failed) {
2770 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2773 return !accel_initialised;
2776 void qemu_add_exit_notifier(Notifier *notify)
2778 notifier_list_add(&exit_notifiers, notify);
2781 void qemu_remove_exit_notifier(Notifier *notify)
2783 notifier_remove(notify);
2786 static void qemu_run_exit_notifiers(void)
2788 notifier_list_notify(&exit_notifiers, NULL);
2791 void qemu_add_machine_init_done_notifier(Notifier *notify)
2793 notifier_list_add(&machine_init_done_notifiers, notify);
2796 static void qemu_run_machine_init_done_notifiers(void)
2798 notifier_list_notify(&machine_init_done_notifiers, NULL);
2801 static const QEMUOption *lookup_opt(int argc, char **argv,
2802 const char **poptarg, int *poptind)
2804 const QEMUOption *popt;
2805 int optind = *poptind;
2806 char *r = argv[optind];
2807 const char *optarg;
2809 loc_set_cmdline(argv, optind, 1);
2810 optind++;
2811 /* Treat --foo the same as -foo. */
2812 if (r[1] == '-')
2813 r++;
2814 popt = qemu_options;
2815 for(;;) {
2816 if (!popt->name) {
2817 error_report("invalid option");
2818 exit(1);
2820 if (!strcmp(popt->name, r + 1))
2821 break;
2822 popt++;
2824 if (popt->flags & HAS_ARG) {
2825 if (optind >= argc) {
2826 error_report("requires an argument");
2827 exit(1);
2829 optarg = argv[optind++];
2830 loc_set_cmdline(argv, optind - 2, 2);
2831 } else {
2832 optarg = NULL;
2835 *poptarg = optarg;
2836 *poptind = optind;
2838 return popt;
2841 static gpointer malloc_and_trace(gsize n_bytes)
2843 void *ptr = malloc(n_bytes);
2844 trace_g_malloc(n_bytes, ptr);
2845 return ptr;
2848 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2850 void *ptr = realloc(mem, n_bytes);
2851 trace_g_realloc(mem, n_bytes, ptr);
2852 return ptr;
2855 static void free_and_trace(gpointer mem)
2857 trace_g_free(mem);
2858 free(mem);
2861 static int object_set_property(const char *name, const char *value, void *opaque)
2863 Object *obj = OBJECT(opaque);
2864 StringInputVisitor *siv;
2865 Error *local_err = NULL;
2867 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2868 return 0;
2871 siv = string_input_visitor_new(value);
2872 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2873 string_input_visitor_cleanup(siv);
2875 if (local_err) {
2876 qerror_report_err(local_err);
2877 error_free(local_err);
2878 return -1;
2881 return 0;
2884 static int object_create(QemuOpts *opts, void *opaque)
2886 const char *type = qemu_opt_get(opts, "qom-type");
2887 const char *id = qemu_opts_id(opts);
2888 Error *local_err = NULL;
2889 Object *obj;
2891 g_assert(type != NULL);
2893 if (id == NULL) {
2894 qerror_report(QERR_MISSING_PARAMETER, "id");
2895 return -1;
2898 obj = object_new(type);
2899 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2900 object_unref(obj);
2901 return -1;
2904 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2905 error_setg(&local_err, "object '%s' isn't supported by -object",
2906 id);
2907 goto out;
2910 user_creatable_complete(obj, &local_err);
2911 if (local_err) {
2912 goto out;
2915 object_property_add_child(container_get(object_get_root(), "/objects"),
2916 id, obj, &local_err);
2918 out:
2919 object_unref(obj);
2920 if (local_err) {
2921 qerror_report_err(local_err);
2922 error_free(local_err);
2923 return -1;
2925 return 0;
2928 int main(int argc, char **argv, char **envp)
2930 int i;
2931 int snapshot, linux_boot;
2932 const char *icount_option = NULL;
2933 const char *initrd_filename;
2934 const char *kernel_filename, *kernel_cmdline;
2935 const char *boot_order;
2936 DisplayState *ds;
2937 int cyls, heads, secs, translation;
2938 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2939 QemuOptsList *olist;
2940 int optind;
2941 const char *optarg;
2942 const char *loadvm = NULL;
2943 MachineClass *machine_class;
2944 QEMUMachine *machine;
2945 const char *cpu_model;
2946 const char *vga_model = NULL;
2947 const char *qtest_chrdev = NULL;
2948 const char *qtest_log = NULL;
2949 const char *pid_file = NULL;
2950 const char *incoming = NULL;
2951 #ifdef CONFIG_VNC
2952 int show_vnc_port = 0;
2953 #endif
2954 bool defconfig = true;
2955 bool userconfig = true;
2956 const char *log_mask = NULL;
2957 const char *log_file = NULL;
2958 GMemVTable mem_trace = {
2959 .malloc = malloc_and_trace,
2960 .realloc = realloc_and_trace,
2961 .free = free_and_trace,
2963 const char *trace_events = NULL;
2964 const char *trace_file = NULL;
2966 atexit(qemu_run_exit_notifiers);
2967 error_set_progname(argv[0]);
2968 qemu_init_exec_dir(argv[0]);
2970 g_mem_set_vtable(&mem_trace);
2971 if (!g_thread_supported()) {
2972 #if !GLIB_CHECK_VERSION(2, 31, 0)
2973 g_thread_init(NULL);
2974 #else
2975 fprintf(stderr, "glib threading failed to initialize.\n");
2976 exit(1);
2977 #endif
2980 module_call_init(MODULE_INIT_QOM);
2982 qemu_add_opts(&qemu_drive_opts);
2983 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2984 qemu_add_drive_opts(&qemu_common_drive_opts);
2985 qemu_add_drive_opts(&qemu_drive_opts);
2986 qemu_add_opts(&qemu_chardev_opts);
2987 qemu_add_opts(&qemu_device_opts);
2988 qemu_add_opts(&qemu_netdev_opts);
2989 qemu_add_opts(&qemu_net_opts);
2990 qemu_add_opts(&qemu_rtc_opts);
2991 qemu_add_opts(&qemu_global_opts);
2992 qemu_add_opts(&qemu_mon_opts);
2993 qemu_add_opts(&qemu_trace_opts);
2994 qemu_add_opts(&qemu_option_rom_opts);
2995 qemu_add_opts(&qemu_machine_opts);
2996 qemu_add_opts(&qemu_smp_opts);
2997 qemu_add_opts(&qemu_boot_opts);
2998 qemu_add_opts(&qemu_sandbox_opts);
2999 qemu_add_opts(&qemu_add_fd_opts);
3000 qemu_add_opts(&qemu_object_opts);
3001 qemu_add_opts(&qemu_tpmdev_opts);
3002 qemu_add_opts(&qemu_realtime_opts);
3003 qemu_add_opts(&qemu_msg_opts);
3004 qemu_add_opts(&qemu_name_opts);
3006 runstate_init();
3008 init_clocks();
3009 rtc_clock = QEMU_CLOCK_HOST;
3011 qemu_init_auxval(envp);
3012 qemu_cache_utils_init();
3014 QLIST_INIT (&vm_change_state_head);
3015 os_setup_early_signal_handling();
3017 module_call_init(MODULE_INIT_MACHINE);
3018 machine_class = find_default_machine();
3019 cpu_model = NULL;
3020 ram_size = 0;
3021 snapshot = 0;
3022 cyls = heads = secs = 0;
3023 translation = BIOS_ATA_TRANSLATION_AUTO;
3025 for (i = 0; i < MAX_NODES; i++) {
3026 node_mem[i] = 0;
3027 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
3030 nb_numa_nodes = 0;
3031 nb_nics = 0;
3033 bdrv_init_with_whitelist();
3035 autostart = 1;
3037 /* first pass of option parsing */
3038 optind = 1;
3039 while (optind < argc) {
3040 if (argv[optind][0] != '-') {
3041 /* disk image */
3042 optind++;
3043 continue;
3044 } else {
3045 const QEMUOption *popt;
3047 popt = lookup_opt(argc, argv, &optarg, &optind);
3048 switch (popt->index) {
3049 case QEMU_OPTION_nodefconfig:
3050 defconfig = false;
3051 break;
3052 case QEMU_OPTION_nouserconfig:
3053 userconfig = false;
3054 break;
3059 if (defconfig) {
3060 int ret;
3061 ret = qemu_read_default_config_files(userconfig);
3062 if (ret < 0) {
3063 exit(1);
3067 /* second pass of option parsing */
3068 optind = 1;
3069 for(;;) {
3070 if (optind >= argc)
3071 break;
3072 if (argv[optind][0] != '-') {
3073 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3074 } else {
3075 const QEMUOption *popt;
3077 popt = lookup_opt(argc, argv, &optarg, &optind);
3078 if (!(popt->arch_mask & arch_type)) {
3079 printf("Option %s not supported for this target\n", popt->name);
3080 exit(1);
3082 switch(popt->index) {
3083 case QEMU_OPTION_M:
3084 machine_class = machine_parse(optarg);
3085 break;
3086 case QEMU_OPTION_no_kvm_irqchip: {
3087 olist = qemu_find_opts("machine");
3088 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3089 break;
3091 case QEMU_OPTION_cpu:
3092 /* hw initialization will check this */
3093 cpu_model = optarg;
3094 break;
3095 case QEMU_OPTION_hda:
3097 char buf[256];
3098 if (cyls == 0)
3099 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3100 else
3101 snprintf(buf, sizeof(buf),
3102 "%s,cyls=%d,heads=%d,secs=%d%s",
3103 HD_OPTS , cyls, heads, secs,
3104 translation == BIOS_ATA_TRANSLATION_LBA ?
3105 ",trans=lba" :
3106 translation == BIOS_ATA_TRANSLATION_NONE ?
3107 ",trans=none" : "");
3108 drive_add(IF_DEFAULT, 0, optarg, buf);
3109 break;
3111 case QEMU_OPTION_hdb:
3112 case QEMU_OPTION_hdc:
3113 case QEMU_OPTION_hdd:
3114 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3115 HD_OPTS);
3116 break;
3117 case QEMU_OPTION_drive:
3118 if (drive_def(optarg) == NULL) {
3119 exit(1);
3121 break;
3122 case QEMU_OPTION_set:
3123 if (qemu_set_option(optarg) != 0)
3124 exit(1);
3125 break;
3126 case QEMU_OPTION_global:
3127 if (qemu_global_option(optarg) != 0)
3128 exit(1);
3129 break;
3130 case QEMU_OPTION_mtdblock:
3131 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3132 break;
3133 case QEMU_OPTION_sd:
3134 drive_add(IF_SD, -1, optarg, SD_OPTS);
3135 break;
3136 case QEMU_OPTION_pflash:
3137 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3138 break;
3139 case QEMU_OPTION_snapshot:
3140 snapshot = 1;
3141 break;
3142 case QEMU_OPTION_hdachs:
3144 const char *p;
3145 p = optarg;
3146 cyls = strtol(p, (char **)&p, 0);
3147 if (cyls < 1 || cyls > 16383)
3148 goto chs_fail;
3149 if (*p != ',')
3150 goto chs_fail;
3151 p++;
3152 heads = strtol(p, (char **)&p, 0);
3153 if (heads < 1 || heads > 16)
3154 goto chs_fail;
3155 if (*p != ',')
3156 goto chs_fail;
3157 p++;
3158 secs = strtol(p, (char **)&p, 0);
3159 if (secs < 1 || secs > 63)
3160 goto chs_fail;
3161 if (*p == ',') {
3162 p++;
3163 if (!strcmp(p, "large")) {
3164 translation = BIOS_ATA_TRANSLATION_LARGE;
3165 } else if (!strcmp(p, "rechs")) {
3166 translation = BIOS_ATA_TRANSLATION_RECHS;
3167 } else if (!strcmp(p, "none")) {
3168 translation = BIOS_ATA_TRANSLATION_NONE;
3169 } else if (!strcmp(p, "lba")) {
3170 translation = BIOS_ATA_TRANSLATION_LBA;
3171 } else if (!strcmp(p, "auto")) {
3172 translation = BIOS_ATA_TRANSLATION_AUTO;
3173 } else {
3174 goto chs_fail;
3176 } else if (*p != '\0') {
3177 chs_fail:
3178 fprintf(stderr, "qemu: invalid physical CHS format\n");
3179 exit(1);
3181 if (hda_opts != NULL) {
3182 char num[16];
3183 snprintf(num, sizeof(num), "%d", cyls);
3184 qemu_opt_set(hda_opts, "cyls", num);
3185 snprintf(num, sizeof(num), "%d", heads);
3186 qemu_opt_set(hda_opts, "heads", num);
3187 snprintf(num, sizeof(num), "%d", secs);
3188 qemu_opt_set(hda_opts, "secs", num);
3189 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3190 qemu_opt_set(hda_opts, "trans", "large");
3191 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3192 qemu_opt_set(hda_opts, "trans", "rechs");
3193 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3194 qemu_opt_set(hda_opts, "trans", "lba");
3195 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3196 qemu_opt_set(hda_opts, "trans", "none");
3200 break;
3201 case QEMU_OPTION_numa:
3202 numa_add(optarg);
3203 break;
3204 case QEMU_OPTION_display:
3205 display_type = select_display(optarg);
3206 break;
3207 case QEMU_OPTION_nographic:
3208 display_type = DT_NOGRAPHIC;
3209 break;
3210 case QEMU_OPTION_curses:
3211 #ifdef CONFIG_CURSES
3212 display_type = DT_CURSES;
3213 #else
3214 fprintf(stderr, "Curses support is disabled\n");
3215 exit(1);
3216 #endif
3217 break;
3218 case QEMU_OPTION_portrait:
3219 graphic_rotate = 90;
3220 break;
3221 case QEMU_OPTION_rotate:
3222 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3223 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3224 graphic_rotate != 180 && graphic_rotate != 270) {
3225 fprintf(stderr,
3226 "qemu: only 90, 180, 270 deg rotation is available\n");
3227 exit(1);
3229 break;
3230 case QEMU_OPTION_kernel:
3231 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3232 break;
3233 case QEMU_OPTION_initrd:
3234 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3235 break;
3236 case QEMU_OPTION_append:
3237 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3238 break;
3239 case QEMU_OPTION_dtb:
3240 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3241 break;
3242 case QEMU_OPTION_cdrom:
3243 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3244 break;
3245 case QEMU_OPTION_boot:
3246 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3247 if (!opts) {
3248 exit(1);
3250 break;
3251 case QEMU_OPTION_fda:
3252 case QEMU_OPTION_fdb:
3253 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3254 optarg, FD_OPTS);
3255 break;
3256 case QEMU_OPTION_no_fd_bootchk:
3257 fd_bootchk = 0;
3258 break;
3259 case QEMU_OPTION_netdev:
3260 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3261 exit(1);
3263 break;
3264 case QEMU_OPTION_net:
3265 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3266 exit(1);
3268 break;
3269 #ifdef CONFIG_LIBISCSI
3270 case QEMU_OPTION_iscsi:
3271 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3272 if (!opts) {
3273 exit(1);
3275 break;
3276 #endif
3277 #ifdef CONFIG_SLIRP
3278 case QEMU_OPTION_tftp:
3279 legacy_tftp_prefix = optarg;
3280 break;
3281 case QEMU_OPTION_bootp:
3282 legacy_bootp_filename = optarg;
3283 break;
3284 case QEMU_OPTION_redir:
3285 if (net_slirp_redir(optarg) < 0)
3286 exit(1);
3287 break;
3288 #endif
3289 case QEMU_OPTION_bt:
3290 add_device_config(DEV_BT, optarg);
3291 break;
3292 case QEMU_OPTION_audio_help:
3293 AUD_help ();
3294 exit (0);
3295 break;
3296 case QEMU_OPTION_soundhw:
3297 select_soundhw (optarg);
3298 break;
3299 case QEMU_OPTION_h:
3300 help(0);
3301 break;
3302 case QEMU_OPTION_version:
3303 version();
3304 exit(0);
3305 break;
3306 case QEMU_OPTION_m: {
3307 int64_t value;
3308 uint64_t sz;
3309 char *end;
3311 value = strtosz(optarg, &end);
3312 if (value < 0 || *end) {
3313 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3314 exit(1);
3316 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3317 ram_size = sz;
3318 if (ram_size != sz) {
3319 fprintf(stderr, "qemu: ram size too large\n");
3320 exit(1);
3322 break;
3324 #ifdef CONFIG_TPM
3325 case QEMU_OPTION_tpmdev:
3326 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3327 exit(1);
3329 break;
3330 #endif
3331 case QEMU_OPTION_mempath:
3332 mem_path = optarg;
3333 break;
3334 case QEMU_OPTION_mem_prealloc:
3335 mem_prealloc = 1;
3336 break;
3337 case QEMU_OPTION_d:
3338 log_mask = optarg;
3339 break;
3340 case QEMU_OPTION_D:
3341 log_file = optarg;
3342 break;
3343 case QEMU_OPTION_s:
3344 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3345 break;
3346 case QEMU_OPTION_gdb:
3347 add_device_config(DEV_GDB, optarg);
3348 break;
3349 case QEMU_OPTION_L:
3350 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3351 data_dir[data_dir_idx++] = optarg;
3353 break;
3354 case QEMU_OPTION_bios:
3355 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3356 break;
3357 case QEMU_OPTION_singlestep:
3358 singlestep = 1;
3359 break;
3360 case QEMU_OPTION_S:
3361 autostart = 0;
3362 break;
3363 case QEMU_OPTION_k:
3364 keyboard_layout = optarg;
3365 break;
3366 case QEMU_OPTION_localtime:
3367 rtc_utc = 0;
3368 break;
3369 case QEMU_OPTION_vga:
3370 vga_model = optarg;
3371 default_vga = 0;
3372 break;
3373 case QEMU_OPTION_g:
3375 const char *p;
3376 int w, h, depth;
3377 p = optarg;
3378 w = strtol(p, (char **)&p, 10);
3379 if (w <= 0) {
3380 graphic_error:
3381 fprintf(stderr, "qemu: invalid resolution or depth\n");
3382 exit(1);
3384 if (*p != 'x')
3385 goto graphic_error;
3386 p++;
3387 h = strtol(p, (char **)&p, 10);
3388 if (h <= 0)
3389 goto graphic_error;
3390 if (*p == 'x') {
3391 p++;
3392 depth = strtol(p, (char **)&p, 10);
3393 if (depth != 8 && depth != 15 && depth != 16 &&
3394 depth != 24 && depth != 32)
3395 goto graphic_error;
3396 } else if (*p == '\0') {
3397 depth = graphic_depth;
3398 } else {
3399 goto graphic_error;
3402 graphic_width = w;
3403 graphic_height = h;
3404 graphic_depth = depth;
3406 break;
3407 case QEMU_OPTION_echr:
3409 char *r;
3410 term_escape_char = strtol(optarg, &r, 0);
3411 if (r == optarg)
3412 printf("Bad argument to echr\n");
3413 break;
3415 case QEMU_OPTION_monitor:
3416 default_monitor = 0;
3417 if (strncmp(optarg, "none", 4)) {
3418 monitor_parse(optarg, "readline");
3420 break;
3421 case QEMU_OPTION_qmp:
3422 monitor_parse(optarg, "control");
3423 default_monitor = 0;
3424 break;
3425 case QEMU_OPTION_mon:
3426 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3427 if (!opts) {
3428 exit(1);
3430 default_monitor = 0;
3431 break;
3432 case QEMU_OPTION_chardev:
3433 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3434 if (!opts) {
3435 exit(1);
3437 break;
3438 case QEMU_OPTION_fsdev:
3439 olist = qemu_find_opts("fsdev");
3440 if (!olist) {
3441 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3442 exit(1);
3444 opts = qemu_opts_parse(olist, optarg, 1);
3445 if (!opts) {
3446 exit(1);
3448 break;
3449 case QEMU_OPTION_virtfs: {
3450 QemuOpts *fsdev;
3451 QemuOpts *device;
3452 const char *writeout, *sock_fd, *socket;
3454 olist = qemu_find_opts("virtfs");
3455 if (!olist) {
3456 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3457 exit(1);
3459 opts = qemu_opts_parse(olist, optarg, 1);
3460 if (!opts) {
3461 exit(1);
3464 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3465 qemu_opt_get(opts, "mount_tag") == NULL) {
3466 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3467 exit(1);
3469 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3470 qemu_opt_get(opts, "mount_tag"),
3471 1, NULL);
3472 if (!fsdev) {
3473 fprintf(stderr, "duplicate fsdev id: %s\n",
3474 qemu_opt_get(opts, "mount_tag"));
3475 exit(1);
3478 writeout = qemu_opt_get(opts, "writeout");
3479 if (writeout) {
3480 #ifdef CONFIG_SYNC_FILE_RANGE
3481 qemu_opt_set(fsdev, "writeout", writeout);
3482 #else
3483 fprintf(stderr, "writeout=immediate not supported on "
3484 "this platform\n");
3485 exit(1);
3486 #endif
3488 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3489 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3490 qemu_opt_set(fsdev, "security_model",
3491 qemu_opt_get(opts, "security_model"));
3492 socket = qemu_opt_get(opts, "socket");
3493 if (socket) {
3494 qemu_opt_set(fsdev, "socket", socket);
3496 sock_fd = qemu_opt_get(opts, "sock_fd");
3497 if (sock_fd) {
3498 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3501 qemu_opt_set_bool(fsdev, "readonly",
3502 qemu_opt_get_bool(opts, "readonly", 0));
3503 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3504 &error_abort);
3505 qemu_opt_set(device, "driver", "virtio-9p-pci");
3506 qemu_opt_set(device, "fsdev",
3507 qemu_opt_get(opts, "mount_tag"));
3508 qemu_opt_set(device, "mount_tag",
3509 qemu_opt_get(opts, "mount_tag"));
3510 break;
3512 case QEMU_OPTION_virtfs_synth: {
3513 QemuOpts *fsdev;
3514 QemuOpts *device;
3516 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3517 1, NULL);
3518 if (!fsdev) {
3519 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3520 exit(1);
3522 qemu_opt_set(fsdev, "fsdriver", "synth");
3524 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3525 &error_abort);
3526 qemu_opt_set(device, "driver", "virtio-9p-pci");
3527 qemu_opt_set(device, "fsdev", "v_synth");
3528 qemu_opt_set(device, "mount_tag", "v_synth");
3529 break;
3531 case QEMU_OPTION_serial:
3532 add_device_config(DEV_SERIAL, optarg);
3533 default_serial = 0;
3534 if (strncmp(optarg, "mon:", 4) == 0) {
3535 default_monitor = 0;
3537 break;
3538 case QEMU_OPTION_watchdog:
3539 if (watchdog) {
3540 fprintf(stderr,
3541 "qemu: only one watchdog option may be given\n");
3542 return 1;
3544 watchdog = optarg;
3545 break;
3546 case QEMU_OPTION_watchdog_action:
3547 if (select_watchdog_action(optarg) == -1) {
3548 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3549 exit(1);
3551 break;
3552 case QEMU_OPTION_virtiocon:
3553 add_device_config(DEV_VIRTCON, optarg);
3554 default_virtcon = 0;
3555 if (strncmp(optarg, "mon:", 4) == 0) {
3556 default_monitor = 0;
3558 break;
3559 case QEMU_OPTION_parallel:
3560 add_device_config(DEV_PARALLEL, optarg);
3561 default_parallel = 0;
3562 if (strncmp(optarg, "mon:", 4) == 0) {
3563 default_monitor = 0;
3565 break;
3566 case QEMU_OPTION_debugcon:
3567 add_device_config(DEV_DEBUGCON, optarg);
3568 break;
3569 case QEMU_OPTION_loadvm:
3570 loadvm = optarg;
3571 break;
3572 case QEMU_OPTION_full_screen:
3573 full_screen = 1;
3574 break;
3575 case QEMU_OPTION_no_frame:
3576 no_frame = 1;
3577 break;
3578 case QEMU_OPTION_alt_grab:
3579 alt_grab = 1;
3580 break;
3581 case QEMU_OPTION_ctrl_grab:
3582 ctrl_grab = 1;
3583 break;
3584 case QEMU_OPTION_no_quit:
3585 no_quit = 1;
3586 break;
3587 case QEMU_OPTION_sdl:
3588 #ifdef CONFIG_SDL
3589 display_type = DT_SDL;
3590 break;
3591 #else
3592 fprintf(stderr, "SDL support is disabled\n");
3593 exit(1);
3594 #endif
3595 case QEMU_OPTION_pidfile:
3596 pid_file = optarg;
3597 break;
3598 case QEMU_OPTION_win2k_hack:
3599 win2k_install_hack = 1;
3600 break;
3601 case QEMU_OPTION_rtc_td_hack: {
3602 static GlobalProperty slew_lost_ticks[] = {
3604 .driver = "mc146818rtc",
3605 .property = "lost_tick_policy",
3606 .value = "slew",
3608 { /* end of list */ }
3611 qdev_prop_register_global_list(slew_lost_ticks);
3612 break;
3614 case QEMU_OPTION_acpitable:
3615 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3616 if (!opts) {
3617 exit(1);
3619 do_acpitable_option(opts);
3620 break;
3621 case QEMU_OPTION_smbios:
3622 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3623 if (!opts) {
3624 exit(1);
3626 do_smbios_option(opts);
3627 break;
3628 case QEMU_OPTION_enable_kvm:
3629 olist = qemu_find_opts("machine");
3630 qemu_opts_parse(olist, "accel=kvm", 0);
3631 break;
3632 case QEMU_OPTION_machine:
3633 olist = qemu_find_opts("machine");
3634 opts = qemu_opts_parse(olist, optarg, 1);
3635 if (!opts) {
3636 exit(1);
3638 optarg = qemu_opt_get(opts, "type");
3639 if (optarg) {
3640 machine_class = machine_parse(optarg);
3642 break;
3643 case QEMU_OPTION_no_kvm:
3644 olist = qemu_find_opts("machine");
3645 qemu_opts_parse(olist, "accel=tcg", 0);
3646 break;
3647 case QEMU_OPTION_no_kvm_pit: {
3648 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3649 "separately.\n");
3650 break;
3652 case QEMU_OPTION_no_kvm_pit_reinjection: {
3653 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3655 .driver = "kvm-pit",
3656 .property = "lost_tick_policy",
3657 .value = "discard",
3659 { /* end of list */ }
3662 fprintf(stderr, "Warning: option deprecated, use "
3663 "lost_tick_policy property of kvm-pit instead.\n");
3664 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3665 break;
3667 case QEMU_OPTION_usb:
3668 olist = qemu_find_opts("machine");
3669 qemu_opts_parse(olist, "usb=on", 0);
3670 break;
3671 case QEMU_OPTION_usbdevice:
3672 olist = qemu_find_opts("machine");
3673 qemu_opts_parse(olist, "usb=on", 0);
3674 add_device_config(DEV_USB, optarg);
3675 break;
3676 case QEMU_OPTION_device:
3677 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3678 exit(1);
3680 break;
3681 case QEMU_OPTION_smp:
3682 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3683 exit(1);
3685 break;
3686 case QEMU_OPTION_vnc:
3687 #ifdef CONFIG_VNC
3688 display_remote++;
3689 vnc_display = optarg;
3690 #else
3691 fprintf(stderr, "VNC support is disabled\n");
3692 exit(1);
3693 #endif
3694 break;
3695 case QEMU_OPTION_no_acpi:
3696 acpi_enabled = 0;
3697 break;
3698 case QEMU_OPTION_no_hpet:
3699 no_hpet = 1;
3700 break;
3701 case QEMU_OPTION_balloon:
3702 if (balloon_parse(optarg) < 0) {
3703 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3704 exit(1);
3706 break;
3707 case QEMU_OPTION_no_reboot:
3708 no_reboot = 1;
3709 break;
3710 case QEMU_OPTION_no_shutdown:
3711 no_shutdown = 1;
3712 break;
3713 case QEMU_OPTION_show_cursor:
3714 cursor_hide = 0;
3715 break;
3716 case QEMU_OPTION_uuid:
3717 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3718 fprintf(stderr, "Fail to parse UUID string."
3719 " Wrong format.\n");
3720 exit(1);
3722 qemu_uuid_set = true;
3723 break;
3724 case QEMU_OPTION_option_rom:
3725 if (nb_option_roms >= MAX_OPTION_ROMS) {
3726 fprintf(stderr, "Too many option ROMs\n");
3727 exit(1);
3729 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3730 if (!opts) {
3731 exit(1);
3733 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3734 option_rom[nb_option_roms].bootindex =
3735 qemu_opt_get_number(opts, "bootindex", -1);
3736 if (!option_rom[nb_option_roms].name) {
3737 fprintf(stderr, "Option ROM file is not specified\n");
3738 exit(1);
3740 nb_option_roms++;
3741 break;
3742 case QEMU_OPTION_semihosting:
3743 semihosting_enabled = 1;
3744 break;
3745 case QEMU_OPTION_tdf:
3746 fprintf(stderr, "Warning: user space PIT time drift fix "
3747 "is no longer supported.\n");
3748 break;
3749 case QEMU_OPTION_name:
3750 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3751 if (!opts) {
3752 exit(1);
3754 parse_name(opts);
3755 break;
3756 case QEMU_OPTION_prom_env:
3757 if (nb_prom_envs >= MAX_PROM_ENVS) {
3758 fprintf(stderr, "Too many prom variables\n");
3759 exit(1);
3761 prom_envs[nb_prom_envs] = optarg;
3762 nb_prom_envs++;
3763 break;
3764 case QEMU_OPTION_old_param:
3765 old_param = 1;
3766 break;
3767 case QEMU_OPTION_clock:
3768 /* Clock options no longer exist. Keep this option for
3769 * backward compatibility.
3771 break;
3772 case QEMU_OPTION_startdate:
3773 configure_rtc_date_offset(optarg, 1);
3774 break;
3775 case QEMU_OPTION_rtc:
3776 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3777 if (!opts) {
3778 exit(1);
3780 configure_rtc(opts);
3781 break;
3782 case QEMU_OPTION_tb_size:
3783 tcg_tb_size = strtol(optarg, NULL, 0);
3784 if (tcg_tb_size < 0) {
3785 tcg_tb_size = 0;
3787 break;
3788 case QEMU_OPTION_icount:
3789 icount_option = optarg;
3790 break;
3791 case QEMU_OPTION_incoming:
3792 incoming = optarg;
3793 runstate_set(RUN_STATE_INMIGRATE);
3794 break;
3795 case QEMU_OPTION_nodefaults:
3796 has_defaults = 0;
3797 break;
3798 case QEMU_OPTION_xen_domid:
3799 if (!(xen_available())) {
3800 printf("Option %s not supported for this target\n", popt->name);
3801 exit(1);
3803 xen_domid = atoi(optarg);
3804 break;
3805 case QEMU_OPTION_xen_create:
3806 if (!(xen_available())) {
3807 printf("Option %s not supported for this target\n", popt->name);
3808 exit(1);
3810 xen_mode = XEN_CREATE;
3811 break;
3812 case QEMU_OPTION_xen_attach:
3813 if (!(xen_available())) {
3814 printf("Option %s not supported for this target\n", popt->name);
3815 exit(1);
3817 xen_mode = XEN_ATTACH;
3818 break;
3819 case QEMU_OPTION_trace:
3821 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3822 if (!opts) {
3823 exit(1);
3825 trace_events = qemu_opt_get(opts, "events");
3826 trace_file = qemu_opt_get(opts, "file");
3827 break;
3829 case QEMU_OPTION_readconfig:
3831 int ret = qemu_read_config_file(optarg);
3832 if (ret < 0) {
3833 fprintf(stderr, "read config %s: %s\n", optarg,
3834 strerror(-ret));
3835 exit(1);
3837 break;
3839 case QEMU_OPTION_spice:
3840 olist = qemu_find_opts("spice");
3841 if (!olist) {
3842 fprintf(stderr, "spice is not supported by this qemu build.\n");
3843 exit(1);
3845 opts = qemu_opts_parse(olist, optarg, 0);
3846 if (!opts) {
3847 exit(1);
3849 display_remote++;
3850 break;
3851 case QEMU_OPTION_writeconfig:
3853 FILE *fp;
3854 if (strcmp(optarg, "-") == 0) {
3855 fp = stdout;
3856 } else {
3857 fp = fopen(optarg, "w");
3858 if (fp == NULL) {
3859 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3860 exit(1);
3863 qemu_config_write(fp);
3864 fclose(fp);
3865 break;
3867 case QEMU_OPTION_qtest:
3868 qtest_chrdev = optarg;
3869 break;
3870 case QEMU_OPTION_qtest_log:
3871 qtest_log = optarg;
3872 break;
3873 case QEMU_OPTION_sandbox:
3874 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3875 if (!opts) {
3876 exit(1);
3878 break;
3879 case QEMU_OPTION_add_fd:
3880 #ifndef _WIN32
3881 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3882 if (!opts) {
3883 exit(1);
3885 #else
3886 error_report("File descriptor passing is disabled on this "
3887 "platform");
3888 exit(1);
3889 #endif
3890 break;
3891 case QEMU_OPTION_object:
3892 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3893 if (!opts) {
3894 exit(1);
3896 break;
3897 case QEMU_OPTION_realtime:
3898 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3899 if (!opts) {
3900 exit(1);
3902 configure_realtime(opts);
3903 break;
3904 case QEMU_OPTION_msg:
3905 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3906 if (!opts) {
3907 exit(1);
3909 configure_msg(opts);
3910 break;
3911 default:
3912 os_parse_cmd_args(popt->index, optarg);
3916 loc_set_none();
3918 if (qemu_init_main_loop()) {
3919 fprintf(stderr, "qemu_init_main_loop failed\n");
3920 exit(1);
3923 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3924 exit(1);
3927 #ifndef _WIN32
3928 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3929 exit(1);
3932 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3933 exit(1);
3935 #endif
3937 if (machine_class == NULL) {
3938 fprintf(stderr, "No machine found.\n");
3939 exit(1);
3942 current_machine = MACHINE(object_new(object_class_get_name(
3943 OBJECT_CLASS(machine_class))));
3944 object_property_add_child(object_get_root(), "machine",
3945 OBJECT(current_machine), &error_abort);
3947 machine = machine_class->qemu_machine;
3948 if (machine->hw_version) {
3949 qemu_set_version(machine->hw_version);
3952 if (qemu_opts_foreach(qemu_find_opts("object"),
3953 object_create, NULL, 0) != 0) {
3954 exit(1);
3957 /* Init CPU def lists, based on config
3958 * - Must be called after all the qemu_read_config_file() calls
3959 * - Must be called before list_cpus()
3960 * - Must be called before machine->init()
3962 cpudef_init();
3964 if (cpu_model && is_help_option(cpu_model)) {
3965 list_cpus(stdout, &fprintf, cpu_model);
3966 exit(0);
3969 /* Open the logfile at this point, if necessary. We can't open the logfile
3970 * when encountering either of the logging options (-d or -D) because the
3971 * other one may be encountered later on the command line, changing the
3972 * location or level of logging.
3974 if (log_mask) {
3975 int mask;
3976 if (log_file) {
3977 qemu_set_log_filename(log_file);
3980 mask = qemu_str_to_log_mask(log_mask);
3981 if (!mask) {
3982 qemu_print_log_usage(stdout);
3983 exit(1);
3985 qemu_set_log(mask);
3988 if (!is_daemonized()) {
3989 if (!trace_backend_init(trace_events, trace_file)) {
3990 exit(1);
3994 /* If no data_dir is specified then try to find it relative to the
3995 executable path. */
3996 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3997 data_dir[data_dir_idx] = os_find_datadir();
3998 if (data_dir[data_dir_idx] != NULL) {
3999 data_dir_idx++;
4002 /* If all else fails use the install path specified when building. */
4003 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4004 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4007 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4009 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
4010 if (smp_cpus > machine->max_cpus) {
4011 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4012 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
4013 machine->max_cpus);
4014 exit(1);
4018 * Get the default machine options from the machine if it is not already
4019 * specified either by the configuration file or by the command line.
4021 if (machine->default_machine_opts) {
4022 qemu_opts_set_defaults(qemu_find_opts("machine"),
4023 machine->default_machine_opts, 0);
4026 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4027 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4029 if (!vga_model && !default_vga) {
4030 vga_interface_type = VGA_DEVICE;
4032 if (!has_defaults || machine->no_serial) {
4033 default_serial = 0;
4035 if (!has_defaults || machine->no_parallel) {
4036 default_parallel = 0;
4038 if (!has_defaults || !machine->use_virtcon) {
4039 default_virtcon = 0;
4041 if (!has_defaults || !machine->use_sclp) {
4042 default_sclp = 0;
4044 if (!has_defaults || machine->no_floppy) {
4045 default_floppy = 0;
4047 if (!has_defaults || machine->no_cdrom) {
4048 default_cdrom = 0;
4050 if (!has_defaults || machine->no_sdcard) {
4051 default_sdcard = 0;
4053 if (!has_defaults) {
4054 default_monitor = 0;
4055 default_net = 0;
4056 default_vga = 0;
4059 if (is_daemonized()) {
4060 /* According to documentation and historically, -nographic redirects
4061 * serial port, parallel port and monitor to stdio, which does not work
4062 * with -daemonize. We can redirect these to null instead, but since
4063 * -nographic is legacy, let's just error out.
4064 * We disallow -nographic only if all other ports are not redirected
4065 * explicitly, to not break existing legacy setups which uses
4066 * -nographic _and_ redirects all ports explicitly - this is valid
4067 * usage, -nographic is just a no-op in this case.
4069 if (display_type == DT_NOGRAPHIC
4070 && (default_parallel || default_serial
4071 || default_monitor || default_virtcon)) {
4072 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4073 exit(1);
4075 #ifdef CONFIG_CURSES
4076 if (display_type == DT_CURSES) {
4077 fprintf(stderr, "curses display can not be used with -daemonize\n");
4078 exit(1);
4080 #endif
4083 if (display_type == DT_NOGRAPHIC) {
4084 if (default_parallel)
4085 add_device_config(DEV_PARALLEL, "null");
4086 if (default_serial && default_monitor) {
4087 add_device_config(DEV_SERIAL, "mon:stdio");
4088 } else if (default_virtcon && default_monitor) {
4089 add_device_config(DEV_VIRTCON, "mon:stdio");
4090 } else if (default_sclp && default_monitor) {
4091 add_device_config(DEV_SCLP, "mon:stdio");
4092 } else {
4093 if (default_serial)
4094 add_device_config(DEV_SERIAL, "stdio");
4095 if (default_virtcon)
4096 add_device_config(DEV_VIRTCON, "stdio");
4097 if (default_sclp) {
4098 add_device_config(DEV_SCLP, "stdio");
4100 if (default_monitor)
4101 monitor_parse("stdio", "readline");
4103 } else {
4104 if (default_serial)
4105 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4106 if (default_parallel)
4107 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4108 if (default_monitor)
4109 monitor_parse("vc:80Cx24C", "readline");
4110 if (default_virtcon)
4111 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4112 if (default_sclp) {
4113 add_device_config(DEV_SCLP, "vc:80Cx24C");
4117 if (display_type == DT_DEFAULT && !display_remote) {
4118 #if defined(CONFIG_GTK)
4119 display_type = DT_GTK;
4120 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4121 display_type = DT_SDL;
4122 #elif defined(CONFIG_VNC)
4123 vnc_display = "localhost:0,to=99";
4124 show_vnc_port = 1;
4125 #else
4126 display_type = DT_NONE;
4127 #endif
4130 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4131 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4132 "for SDL, ignoring option\n");
4134 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4135 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4136 "ignoring option\n");
4139 #if defined(CONFIG_GTK)
4140 if (display_type == DT_GTK) {
4141 early_gtk_display_init();
4143 #endif
4145 socket_init();
4147 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4148 exit(1);
4149 #ifdef CONFIG_VIRTFS
4150 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4151 exit(1);
4153 #endif
4155 os_daemonize();
4157 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4158 os_pidfile_error();
4159 exit(1);
4162 /* init the memory */
4163 if (ram_size == 0) {
4164 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4167 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4168 != 0) {
4169 exit(0);
4172 configure_accelerator(machine);
4174 if (qtest_chrdev) {
4175 Error *local_err = NULL;
4176 qtest_init(qtest_chrdev, qtest_log, &local_err);
4177 if (local_err) {
4178 error_report("%s", error_get_pretty(local_err));
4179 error_free(local_err);
4180 exit(1);
4184 machine_opts = qemu_get_machine_opts();
4185 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4186 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4187 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4188 bios_name = qemu_opt_get(machine_opts, "firmware");
4190 boot_order = machine->default_boot_order;
4191 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4192 if (opts) {
4193 char *normal_boot_order;
4194 const char *order, *once;
4196 order = qemu_opt_get(opts, "order");
4197 if (order) {
4198 validate_bootdevices(order);
4199 boot_order = order;
4202 once = qemu_opt_get(opts, "once");
4203 if (once) {
4204 validate_bootdevices(once);
4205 normal_boot_order = g_strdup(boot_order);
4206 boot_order = once;
4207 qemu_register_reset(restore_boot_order, normal_boot_order);
4210 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4211 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4214 if (!kernel_cmdline) {
4215 kernel_cmdline = "";
4218 linux_boot = (kernel_filename != NULL);
4220 if (!linux_boot && *kernel_cmdline != '\0') {
4221 fprintf(stderr, "-append only allowed with -kernel option\n");
4222 exit(1);
4225 if (!linux_boot && initrd_filename != NULL) {
4226 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4227 exit(1);
4230 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4231 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4232 exit(1);
4235 os_set_line_buffering();
4237 qemu_init_cpu_loop();
4238 qemu_mutex_lock_iothread();
4240 #ifdef CONFIG_SPICE
4241 /* spice needs the timers to be initialized by this point */
4242 qemu_spice_init();
4243 #endif
4245 if (icount_option && (kvm_enabled() || xen_enabled())) {
4246 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4247 exit(1);
4249 configure_icount(icount_option);
4251 /* clean up network at qemu process termination */
4252 atexit(&net_cleanup);
4254 if (net_init_clients() < 0) {
4255 exit(1);
4258 #ifdef CONFIG_TPM
4259 if (tpm_init() < 0) {
4260 exit(1);
4262 #endif
4264 /* init the bluetooth world */
4265 if (foreach_device_config(DEV_BT, bt_parse))
4266 exit(1);
4268 if (!xen_enabled()) {
4269 /* On 32-bit hosts, QEMU is limited by virtual address space */
4270 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4271 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4272 exit(1);
4276 cpu_exec_init_all();
4278 blk_mig_init();
4280 /* open the virtual block devices */
4281 if (snapshot)
4282 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4283 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4284 &machine->block_default_type, 1) != 0) {
4285 exit(1);
4288 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4289 CDROM_OPTS);
4290 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4291 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4293 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4295 if (nb_numa_nodes > 0) {
4296 int i;
4298 if (nb_numa_nodes > MAX_NODES) {
4299 nb_numa_nodes = MAX_NODES;
4302 /* If no memory size if given for any node, assume the default case
4303 * and distribute the available memory equally across all nodes
4305 for (i = 0; i < nb_numa_nodes; i++) {
4306 if (node_mem[i] != 0)
4307 break;
4309 if (i == nb_numa_nodes) {
4310 uint64_t usedmem = 0;
4312 /* On Linux, the each node's border has to be 8MB aligned,
4313 * the final node gets the rest.
4315 for (i = 0; i < nb_numa_nodes - 1; i++) {
4316 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4317 usedmem += node_mem[i];
4319 node_mem[i] = ram_size - usedmem;
4322 for (i = 0; i < nb_numa_nodes; i++) {
4323 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4324 break;
4327 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4328 * must cope with this anyway, because there are BIOSes out there in
4329 * real machines which also use this scheme.
4331 if (i == nb_numa_nodes) {
4332 for (i = 0; i < max_cpus; i++) {
4333 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4338 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4339 exit(1);
4342 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4343 exit(1);
4344 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4345 exit(1);
4346 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4347 exit(1);
4348 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4349 exit(1);
4351 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4352 exit(1);
4354 /* If no default VGA is requested, the default is "none". */
4355 if (default_vga) {
4356 if (cirrus_vga_available()) {
4357 vga_model = "cirrus";
4358 } else if (vga_available()) {
4359 vga_model = "std";
4362 if (vga_model) {
4363 select_vgahw(vga_model);
4366 if (watchdog) {
4367 i = select_watchdog(watchdog);
4368 if (i > 0)
4369 exit (i == 1 ? 1 : 0);
4372 if (machine->compat_props) {
4373 qdev_prop_register_global_list(machine->compat_props);
4375 qemu_add_globals();
4377 qdev_machine_init();
4379 QEMUMachineInitArgs args = { .machine = machine,
4380 .ram_size = ram_size,
4381 .boot_order = boot_order,
4382 .kernel_filename = kernel_filename,
4383 .kernel_cmdline = kernel_cmdline,
4384 .initrd_filename = initrd_filename,
4385 .cpu_model = cpu_model };
4387 current_machine->init_args = args;
4388 machine->init(&current_machine->init_args);
4390 audio_init();
4392 cpu_synchronize_all_post_init();
4394 set_numa_modes();
4396 /* init USB devices */
4397 if (usb_enabled(false)) {
4398 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4399 exit(1);
4402 /* init generic devices */
4403 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4404 exit(1);
4406 net_check_clients();
4408 ds = init_displaystate();
4410 /* init local displays */
4411 switch (display_type) {
4412 case DT_NOGRAPHIC:
4413 (void)ds; /* avoid warning if no display is configured */
4414 break;
4415 #if defined(CONFIG_CURSES)
4416 case DT_CURSES:
4417 curses_display_init(ds, full_screen);
4418 break;
4419 #endif
4420 #if defined(CONFIG_SDL)
4421 case DT_SDL:
4422 sdl_display_init(ds, full_screen, no_frame);
4423 break;
4424 #elif defined(CONFIG_COCOA)
4425 case DT_SDL:
4426 cocoa_display_init(ds, full_screen);
4427 break;
4428 #endif
4429 #if defined(CONFIG_GTK)
4430 case DT_GTK:
4431 gtk_display_init(ds, full_screen, grab_on_hover);
4432 break;
4433 #endif
4434 default:
4435 break;
4438 /* must be after terminal init, SDL library changes signal handlers */
4439 os_setup_signal_handling();
4441 #ifdef CONFIG_VNC
4442 /* init remote displays */
4443 if (vnc_display) {
4444 Error *local_err = NULL;
4445 vnc_display_init(ds);
4446 vnc_display_open(ds, vnc_display, &local_err);
4447 if (local_err != NULL) {
4448 error_report("Failed to start VNC server on `%s': %s",
4449 vnc_display, error_get_pretty(local_err));
4450 error_free(local_err);
4451 exit(1);
4454 if (show_vnc_port) {
4455 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4458 #endif
4459 #ifdef CONFIG_SPICE
4460 if (using_spice) {
4461 qemu_spice_display_init();
4463 #endif
4465 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4466 exit(1);
4469 qdev_machine_creation_done();
4471 if (rom_load_all() != 0) {
4472 fprintf(stderr, "rom loading failed\n");
4473 exit(1);
4476 /* TODO: once all bus devices are qdevified, this should be done
4477 * when bus is created by qdev.c */
4478 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4479 qemu_run_machine_init_done_notifiers();
4481 /* Done notifiers can load ROMs */
4482 rom_load_done();
4484 qemu_system_reset(VMRESET_SILENT);
4485 if (loadvm) {
4486 if (load_vmstate(loadvm) < 0) {
4487 autostart = 0;
4491 if (incoming) {
4492 Error *local_err = NULL;
4493 qemu_start_incoming_migration(incoming, &local_err);
4494 if (local_err) {
4495 error_report("-incoming %s: %s", incoming,
4496 error_get_pretty(local_err));
4497 error_free(local_err);
4498 exit(1);
4500 } else if (autostart) {
4501 vm_start();
4504 os_setup_post();
4506 if (is_daemonized()) {
4507 if (!trace_backend_init(trace_events, trace_file)) {
4508 exit(1);
4512 main_loop();
4513 bdrv_close_all();
4514 pause_all_vcpus();
4515 res_free();
4516 #ifdef CONFIG_TPM
4517 tpm_cleanup();
4518 #endif
4520 return 0;