Merge remote-tracking branch 'qemu/master'
[qemu/ar7.git] / vl.c
blob88437685057ec0d6cdff40c2b89b8c3acef68021
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);
45 int main(int argc, char **argv)
47 return qemu_main(argc, argv);
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 "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
104 #include "disas/disas.h"
107 #include "slirp/libslirp.h"
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
122 #define DEFAULT_RAM_SIZE 128
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
134 ram_addr_t ram_size;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 int nb_nics;
138 NICInfo nd_table[MAX_NICS];
139 int autostart;
140 static int rtc_utc = 1;
141 static int rtc_date_offset = -1; /* -1 means no change */
142 QEMUClockType rtc_clock;
143 int vga_interface_type = VGA_NONE;
144 static int full_screen = 0;
145 static int no_frame = 0;
146 int no_quit = 0;
147 #ifdef CONFIG_GTK
148 static bool grab_on_hover;
149 #endif
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
155 int singlestep = 0;
156 int smp_cpus = 1;
157 int max_cpus = 0;
158 int smp_cores = 1;
159 int smp_threads = 1;
160 #ifdef CONFIG_VNC
161 const char *vnc_display;
162 #endif
163 int acpi_enabled = 1;
164 int no_hpet = 0;
165 int fd_bootchk = 1;
166 static int no_reboot;
167 int no_shutdown = 0;
168 int cursor_hide = 1;
169 int graphic_rotate = 0;
170 const char *watchdog;
171 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 int nb_option_roms;
173 int semihosting_enabled = 0;
174 int old_param = 0;
175 const char *qemu_name;
176 int alt_grab = 0;
177 int ctrl_grab = 0;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
180 int boot_menu;
181 static bool boot_strict;
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
186 int icount_align_option;
187 typedef struct FWBootEntry FWBootEntry;
189 struct FWBootEntry {
190 QTAILQ_ENTRY(FWBootEntry) link;
191 int32_t bootindex;
192 DeviceState *dev;
193 char *suffix;
196 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
197 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
199 int nb_numa_nodes;
200 int max_numa_nodeid;
201 NodeInfo numa_info[MAX_NODES];
203 uint8_t qemu_uuid[16];
204 bool qemu_uuid_set;
206 /* Trace unassigned memory or i/o accesses. */
207 bool trace_unassigned;
209 static QEMUBootSetHandler *boot_set_handler;
210 static void *boot_set_opaque;
212 static NotifierList exit_notifiers =
213 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
215 static NotifierList machine_init_done_notifiers =
216 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
218 static bool tcg_allowed = true;
219 bool xen_allowed;
220 uint32_t xen_domid;
221 enum xen_mode xen_mode = XEN_EMULATE;
222 static int tcg_tb_size;
224 static int has_defaults = 1;
225 static int default_serial = 1;
226 static int default_parallel = 1;
227 static int default_virtcon = 1;
228 static int default_sclp = 1;
229 static int default_monitor = 1;
230 static int default_floppy = 1;
231 static int default_cdrom = 1;
232 static int default_sdcard = 1;
233 static int default_vga = 1;
235 static struct {
236 const char *driver;
237 int *flag;
238 } default_list[] = {
239 { .driver = "isa-serial", .flag = &default_serial },
240 { .driver = "isa-parallel", .flag = &default_parallel },
241 { .driver = "isa-fdc", .flag = &default_floppy },
242 { .driver = "ide-cd", .flag = &default_cdrom },
243 { .driver = "ide-hd", .flag = &default_cdrom },
244 { .driver = "ide-drive", .flag = &default_cdrom },
245 { .driver = "scsi-cd", .flag = &default_cdrom },
246 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
247 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
248 { .driver = "virtio-serial", .flag = &default_virtcon },
249 { .driver = "VGA", .flag = &default_vga },
250 { .driver = "isa-vga", .flag = &default_vga },
251 { .driver = "cirrus-vga", .flag = &default_vga },
252 { .driver = "isa-cirrus-vga", .flag = &default_vga },
253 { .driver = "vmware-svga", .flag = &default_vga },
254 { .driver = "qxl-vga", .flag = &default_vga },
257 static QemuOptsList qemu_rtc_opts = {
258 .name = "rtc",
259 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
260 .desc = {
262 .name = "base",
263 .type = QEMU_OPT_STRING,
265 .name = "clock",
266 .type = QEMU_OPT_STRING,
268 .name = "driftfix",
269 .type = QEMU_OPT_STRING,
271 { /* end of list */ }
275 static QemuOptsList qemu_sandbox_opts = {
276 .name = "sandbox",
277 .implied_opt_name = "enable",
278 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
279 .desc = {
281 .name = "enable",
282 .type = QEMU_OPT_BOOL,
284 { /* end of list */ }
288 static QemuOptsList qemu_trace_opts = {
289 .name = "trace",
290 .implied_opt_name = "trace",
291 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
292 .desc = {
294 .name = "events",
295 .type = QEMU_OPT_STRING,
297 .name = "file",
298 .type = QEMU_OPT_STRING,
300 { /* end of list */ }
304 static QemuOptsList qemu_option_rom_opts = {
305 .name = "option-rom",
306 .implied_opt_name = "romfile",
307 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
308 .desc = {
310 .name = "bootindex",
311 .type = QEMU_OPT_NUMBER,
312 }, {
313 .name = "romfile",
314 .type = QEMU_OPT_STRING,
316 { /* end of list */ }
320 static QemuOptsList qemu_machine_opts = {
321 .name = "machine",
322 .implied_opt_name = "type",
323 .merge_lists = true,
324 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
325 .desc = {
327 .name = "type",
328 .type = QEMU_OPT_STRING,
329 .help = "emulated machine"
330 }, {
331 .name = "accel",
332 .type = QEMU_OPT_STRING,
333 .help = "accelerator list",
334 }, {
335 .name = "kernel_irqchip",
336 .type = QEMU_OPT_BOOL,
337 .help = "use KVM in-kernel irqchip",
338 }, {
339 .name = "kvm_shadow_mem",
340 .type = QEMU_OPT_SIZE,
341 .help = "KVM shadow MMU size",
342 }, {
343 .name = "kernel",
344 .type = QEMU_OPT_STRING,
345 .help = "Linux kernel image file",
346 }, {
347 .name = "initrd",
348 .type = QEMU_OPT_STRING,
349 .help = "Linux initial ramdisk file",
350 }, {
351 .name = "append",
352 .type = QEMU_OPT_STRING,
353 .help = "Linux kernel command line",
354 }, {
355 .name = "dtb",
356 .type = QEMU_OPT_STRING,
357 .help = "Linux kernel device tree file",
358 }, {
359 .name = "dumpdtb",
360 .type = QEMU_OPT_STRING,
361 .help = "Dump current dtb to a file and quit",
362 }, {
363 .name = "phandle_start",
364 .type = QEMU_OPT_NUMBER,
365 .help = "The first phandle ID we may generate dynamically",
366 }, {
367 .name = "dt_compatible",
368 .type = QEMU_OPT_STRING,
369 .help = "Overrides the \"compatible\" property of the dt root node",
370 }, {
371 .name = "dump-guest-core",
372 .type = QEMU_OPT_BOOL,
373 .help = "Include guest memory in a core dump",
374 }, {
375 .name = "mem-merge",
376 .type = QEMU_OPT_BOOL,
377 .help = "enable/disable memory merge support",
379 .name = "usb",
380 .type = QEMU_OPT_BOOL,
381 .help = "Set on/off to enable/disable usb",
383 .name = "firmware",
384 .type = QEMU_OPT_STRING,
385 .help = "firmware image",
387 .name = "kvm-type",
388 .type = QEMU_OPT_STRING,
389 .help = "Specifies the KVM virtualization mode (HV, PR)",
391 .name = PC_MACHINE_MAX_RAM_BELOW_4G,
392 .type = QEMU_OPT_SIZE,
393 .help = "maximum ram below the 4G boundary (32bit boundary)",
395 { /* End of list */ }
399 static QemuOptsList qemu_boot_opts = {
400 .name = "boot-opts",
401 .implied_opt_name = "order",
402 .merge_lists = true,
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
404 .desc = {
406 .name = "order",
407 .type = QEMU_OPT_STRING,
408 }, {
409 .name = "once",
410 .type = QEMU_OPT_STRING,
411 }, {
412 .name = "menu",
413 .type = QEMU_OPT_BOOL,
414 }, {
415 .name = "splash",
416 .type = QEMU_OPT_STRING,
417 }, {
418 .name = "splash-time",
419 .type = QEMU_OPT_STRING,
420 }, {
421 .name = "reboot-timeout",
422 .type = QEMU_OPT_STRING,
423 }, {
424 .name = "strict",
425 .type = QEMU_OPT_BOOL,
427 { /*End of list */ }
431 static QemuOptsList qemu_add_fd_opts = {
432 .name = "add-fd",
433 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
434 .desc = {
436 .name = "fd",
437 .type = QEMU_OPT_NUMBER,
438 .help = "file descriptor of which a duplicate is added to fd set",
440 .name = "set",
441 .type = QEMU_OPT_NUMBER,
442 .help = "ID of the fd set to add fd to",
444 .name = "opaque",
445 .type = QEMU_OPT_STRING,
446 .help = "free-form string used to describe fd",
448 { /* end of list */ }
452 static QemuOptsList qemu_object_opts = {
453 .name = "object",
454 .implied_opt_name = "qom-type",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
456 .desc = {
461 static QemuOptsList qemu_tpmdev_opts = {
462 .name = "tpmdev",
463 .implied_opt_name = "type",
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
465 .desc = {
466 /* options are defined in the TPM backends */
467 { /* end of list */ }
471 static QemuOptsList qemu_realtime_opts = {
472 .name = "realtime",
473 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
474 .desc = {
476 .name = "mlock",
477 .type = QEMU_OPT_BOOL,
479 { /* end of list */ }
483 static QemuOptsList qemu_msg_opts = {
484 .name = "msg",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
486 .desc = {
488 .name = "timestamp",
489 .type = QEMU_OPT_BOOL,
491 { /* end of list */ }
495 static QemuOptsList qemu_name_opts = {
496 .name = "name",
497 .implied_opt_name = "guest",
498 .merge_lists = true,
499 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
500 .desc = {
502 .name = "guest",
503 .type = QEMU_OPT_STRING,
504 .help = "Sets the name of the guest.\n"
505 "This name will be displayed in the SDL window caption.\n"
506 "The name will also be used for the VNC server",
507 }, {
508 .name = "process",
509 .type = QEMU_OPT_STRING,
510 .help = "Sets the name of the QEMU process, as shown in top etc",
511 }, {
512 .name = "debug-threads",
513 .type = QEMU_OPT_BOOL,
514 .help = "When enabled, name the individual threads; defaults off.\n"
515 "NOTE: The thread names are for debugging and not a\n"
516 "stable API.",
518 { /* End of list */ }
522 static QemuOptsList qemu_mem_opts = {
523 .name = "memory",
524 .implied_opt_name = "size",
525 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
526 .merge_lists = true,
527 .desc = {
529 .name = "size",
530 .type = QEMU_OPT_SIZE,
533 .name = "slots",
534 .type = QEMU_OPT_NUMBER,
537 .name = "maxmem",
538 .type = QEMU_OPT_SIZE,
540 { /* end of list */ }
544 static QemuOptsList qemu_icount_opts = {
545 .name = "icount",
546 .implied_opt_name = "shift",
547 .merge_lists = true,
548 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
549 .desc = {
551 .name = "shift",
552 .type = QEMU_OPT_STRING,
553 }, {
554 .name = "align",
555 .type = QEMU_OPT_BOOL,
557 { /* end of list */ }
562 * Get machine options
564 * Returns: machine options (never null).
566 QemuOpts *qemu_get_machine_opts(void)
568 return qemu_find_opts_singleton("machine");
571 const char *qemu_get_vm_name(void)
573 return qemu_name;
576 static void res_free(void)
578 if (boot_splash_filedata != NULL) {
579 g_free(boot_splash_filedata);
580 boot_splash_filedata = NULL;
584 static int default_driver_check(QemuOpts *opts, void *opaque)
586 const char *driver = qemu_opt_get(opts, "driver");
587 int i;
589 if (!driver)
590 return 0;
591 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
592 if (strcmp(default_list[i].driver, driver) != 0)
593 continue;
594 *(default_list[i].flag) = 0;
596 return 0;
599 /***********************************************************/
600 /* QEMU state */
602 static RunState current_run_state = RUN_STATE_PRELAUNCH;
604 /* We use RUN_STATE_MAX but any invalid value will do */
605 static RunState vmstop_requested = RUN_STATE_MAX;
606 static QemuMutex vmstop_lock;
608 typedef struct {
609 RunState from;
610 RunState to;
611 } RunStateTransition;
613 static const RunStateTransition runstate_transitions_def[] = {
614 /* from -> to */
615 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
616 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
618 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
619 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
621 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
622 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
625 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
627 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
628 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
631 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
634 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
635 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
637 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
638 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
640 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
642 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
643 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
644 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
645 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
646 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
647 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
648 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
649 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
650 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
651 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
653 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
655 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
656 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
658 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
659 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
660 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
661 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
663 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
664 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
666 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
667 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
669 { RUN_STATE_MAX, RUN_STATE_MAX },
672 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
674 bool runstate_check(RunState state)
676 return current_run_state == state;
679 static void runstate_init(void)
681 const RunStateTransition *p;
683 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
684 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
685 runstate_valid_transitions[p->from][p->to] = true;
688 qemu_mutex_init(&vmstop_lock);
691 /* This function will abort() on invalid state transitions */
692 void runstate_set(RunState new_state)
694 assert(new_state < RUN_STATE_MAX);
696 if (!runstate_valid_transitions[current_run_state][new_state]) {
697 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
698 RunState_lookup[current_run_state],
699 RunState_lookup[new_state]);
700 abort();
702 trace_runstate_set(new_state);
703 current_run_state = new_state;
706 int runstate_is_running(void)
708 return runstate_check(RUN_STATE_RUNNING);
711 bool runstate_needs_reset(void)
713 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
714 runstate_check(RUN_STATE_SHUTDOWN);
717 StatusInfo *qmp_query_status(Error **errp)
719 StatusInfo *info = g_malloc0(sizeof(*info));
721 info->running = runstate_is_running();
722 info->singlestep = singlestep;
723 info->status = current_run_state;
725 return info;
728 static bool qemu_vmstop_requested(RunState *r)
730 qemu_mutex_lock(&vmstop_lock);
731 *r = vmstop_requested;
732 vmstop_requested = RUN_STATE_MAX;
733 qemu_mutex_unlock(&vmstop_lock);
734 return *r < RUN_STATE_MAX;
737 void qemu_system_vmstop_request_prepare(void)
739 qemu_mutex_lock(&vmstop_lock);
742 void qemu_system_vmstop_request(RunState state)
744 vmstop_requested = state;
745 qemu_mutex_unlock(&vmstop_lock);
746 qemu_notify_event();
749 void vm_start(void)
751 RunState requested;
753 qemu_vmstop_requested(&requested);
754 if (runstate_is_running() && requested == RUN_STATE_MAX) {
755 return;
758 /* Ensure that a STOP/RESUME pair of events is emitted if a
759 * vmstop request was pending. The BLOCK_IO_ERROR event, for
760 * example, according to documentation is always followed by
761 * the STOP event.
763 if (runstate_is_running()) {
764 qapi_event_send_stop(&error_abort);
765 } else {
766 cpu_enable_ticks();
767 runstate_set(RUN_STATE_RUNNING);
768 vm_state_notify(1, RUN_STATE_RUNNING);
769 resume_all_vcpus();
772 qapi_event_send_resume(&error_abort);
776 /***********************************************************/
777 /* real time host monotonic timer */
779 /***********************************************************/
780 /* host time/date access */
781 void qemu_get_timedate(struct tm *tm, int offset)
783 time_t ti;
785 time(&ti);
786 ti += offset;
787 if (rtc_date_offset == -1) {
788 if (rtc_utc)
789 gmtime_r(&ti, tm);
790 else
791 localtime_r(&ti, tm);
792 } else {
793 ti -= rtc_date_offset;
794 gmtime_r(&ti, tm);
798 int qemu_timedate_diff(struct tm *tm)
800 time_t seconds;
802 if (rtc_date_offset == -1)
803 if (rtc_utc)
804 seconds = mktimegm(tm);
805 else {
806 struct tm tmp = *tm;
807 tmp.tm_isdst = -1; /* use timezone to figure it out */
808 seconds = mktime(&tmp);
810 else
811 seconds = mktimegm(tm) + rtc_date_offset;
813 return seconds - time(NULL);
816 static void configure_rtc_date_offset(const char *startdate, int legacy)
818 time_t rtc_start_date;
819 struct tm tm;
821 if (!strcmp(startdate, "now") && legacy) {
822 rtc_date_offset = -1;
823 } else {
824 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
825 &tm.tm_year,
826 &tm.tm_mon,
827 &tm.tm_mday,
828 &tm.tm_hour,
829 &tm.tm_min,
830 &tm.tm_sec) == 6) {
831 /* OK */
832 } else if (sscanf(startdate, "%d-%d-%d",
833 &tm.tm_year,
834 &tm.tm_mon,
835 &tm.tm_mday) == 3) {
836 tm.tm_hour = 0;
837 tm.tm_min = 0;
838 tm.tm_sec = 0;
839 } else {
840 goto date_fail;
842 tm.tm_year -= 1900;
843 tm.tm_mon--;
844 rtc_start_date = mktimegm(&tm);
845 if (rtc_start_date == -1) {
846 date_fail:
847 fprintf(stderr, "Invalid date format. Valid formats are:\n"
848 "'2006-06-17T16:01:21' or '2006-06-17'\n");
849 exit(1);
851 rtc_date_offset = time(NULL) - rtc_start_date;
855 static void configure_rtc(QemuOpts *opts)
857 const char *value;
859 value = qemu_opt_get(opts, "base");
860 if (value) {
861 if (!strcmp(value, "utc")) {
862 rtc_utc = 1;
863 } else if (!strcmp(value, "localtime")) {
864 rtc_utc = 0;
865 } else {
866 configure_rtc_date_offset(value, 0);
869 value = qemu_opt_get(opts, "clock");
870 if (value) {
871 if (!strcmp(value, "host")) {
872 rtc_clock = QEMU_CLOCK_HOST;
873 } else if (!strcmp(value, "rt")) {
874 rtc_clock = QEMU_CLOCK_REALTIME;
875 } else if (!strcmp(value, "vm")) {
876 rtc_clock = QEMU_CLOCK_VIRTUAL;
877 } else {
878 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
879 exit(1);
882 value = qemu_opt_get(opts, "driftfix");
883 if (value) {
884 if (!strcmp(value, "slew")) {
885 static GlobalProperty slew_lost_ticks[] = {
887 .driver = "mc146818rtc",
888 .property = "lost_tick_policy",
889 .value = "slew",
891 { /* end of list */ }
894 qdev_prop_register_global_list(slew_lost_ticks);
895 } else if (!strcmp(value, "none")) {
896 /* discard is default */
897 } else {
898 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
899 exit(1);
904 /***********************************************************/
905 /* Bluetooth support */
906 static int nb_hcis;
907 static int cur_hci;
908 static struct HCIInfo *hci_table[MAX_NICS];
910 struct HCIInfo *qemu_next_hci(void)
912 if (cur_hci == nb_hcis)
913 return &null_hci;
915 return hci_table[cur_hci++];
918 static int bt_hci_parse(const char *str)
920 struct HCIInfo *hci;
921 bdaddr_t bdaddr;
923 if (nb_hcis >= MAX_NICS) {
924 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
925 return -1;
928 hci = hci_init(str);
929 if (!hci)
930 return -1;
932 bdaddr.b[0] = 0x52;
933 bdaddr.b[1] = 0x54;
934 bdaddr.b[2] = 0x00;
935 bdaddr.b[3] = 0x12;
936 bdaddr.b[4] = 0x34;
937 bdaddr.b[5] = 0x56 + nb_hcis;
938 hci->bdaddr_set(hci, bdaddr.b);
940 hci_table[nb_hcis++] = hci;
942 return 0;
945 static void bt_vhci_add(int vlan_id)
947 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
949 if (!vlan->slave)
950 fprintf(stderr, "qemu: warning: adding a VHCI to "
951 "an empty scatternet %i\n", vlan_id);
953 bt_vhci_init(bt_new_hci(vlan));
956 static struct bt_device_s *bt_device_add(const char *opt)
958 struct bt_scatternet_s *vlan;
959 int vlan_id = 0;
960 char *endp = strstr(opt, ",vlan=");
961 int len = (endp ? endp - opt : strlen(opt)) + 1;
962 char devname[10];
964 pstrcpy(devname, MIN(sizeof(devname), len), opt);
966 if (endp) {
967 vlan_id = strtol(endp + 6, &endp, 0);
968 if (*endp) {
969 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
970 return 0;
974 vlan = qemu_find_bt_vlan(vlan_id);
976 if (!vlan->slave)
977 fprintf(stderr, "qemu: warning: adding a slave device to "
978 "an empty scatternet %i\n", vlan_id);
980 if (!strcmp(devname, "keyboard"))
981 return bt_keyboard_init(vlan);
983 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
984 return 0;
987 static int bt_parse(const char *opt)
989 const char *endp, *p;
990 int vlan;
992 if (strstart(opt, "hci", &endp)) {
993 if (!*endp || *endp == ',') {
994 if (*endp)
995 if (!strstart(endp, ",vlan=", 0))
996 opt = endp + 1;
998 return bt_hci_parse(opt);
1000 } else if (strstart(opt, "vhci", &endp)) {
1001 if (!*endp || *endp == ',') {
1002 if (*endp) {
1003 if (strstart(endp, ",vlan=", &p)) {
1004 vlan = strtol(p, (char **) &endp, 0);
1005 if (*endp) {
1006 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1007 return 1;
1009 } else {
1010 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1011 return 1;
1013 } else
1014 vlan = 0;
1016 bt_vhci_add(vlan);
1017 return 0;
1019 } else if (strstart(opt, "device:", &endp))
1020 return !bt_device_add(endp);
1022 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1023 return 1;
1026 static int parse_sandbox(QemuOpts *opts, void *opaque)
1028 /* FIXME: change this to true for 1.3 */
1029 if (qemu_opt_get_bool(opts, "enable", false)) {
1030 #ifdef CONFIG_SECCOMP
1031 if (seccomp_start() < 0) {
1032 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1033 "failed to install seccomp syscall filter in the kernel");
1034 return -1;
1036 #else
1037 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1038 "sandboxing request but seccomp is not compiled into this build");
1039 return -1;
1040 #endif
1043 return 0;
1046 static int parse_name(QemuOpts *opts, void *opaque)
1048 const char *proc_name;
1050 if (qemu_opt_get(opts, "debug-threads")) {
1051 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1053 qemu_name = qemu_opt_get(opts, "guest");
1055 proc_name = qemu_opt_get(opts, "process");
1056 if (proc_name) {
1057 os_set_proc_name(proc_name);
1060 return 0;
1063 bool usb_enabled(bool default_usb)
1065 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1066 has_defaults && default_usb);
1069 #ifndef _WIN32
1070 static int parse_add_fd(QemuOpts *opts, void *opaque)
1072 int fd, dupfd, flags;
1073 int64_t fdset_id;
1074 const char *fd_opaque = NULL;
1076 fd = qemu_opt_get_number(opts, "fd", -1);
1077 fdset_id = qemu_opt_get_number(opts, "set", -1);
1078 fd_opaque = qemu_opt_get(opts, "opaque");
1080 if (fd < 0) {
1081 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1082 "fd option is required and must be non-negative");
1083 return -1;
1086 if (fd <= STDERR_FILENO) {
1087 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1088 "fd cannot be a standard I/O stream");
1089 return -1;
1093 * All fds inherited across exec() necessarily have FD_CLOEXEC
1094 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1096 flags = fcntl(fd, F_GETFD);
1097 if (flags == -1 || (flags & FD_CLOEXEC)) {
1098 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1099 "fd is not valid or already in use");
1100 return -1;
1103 if (fdset_id < 0) {
1104 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1105 "set option is required and must be non-negative");
1106 return -1;
1109 #ifdef F_DUPFD_CLOEXEC
1110 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1111 #else
1112 dupfd = dup(fd);
1113 if (dupfd != -1) {
1114 qemu_set_cloexec(dupfd);
1116 #endif
1117 if (dupfd == -1) {
1118 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1119 "Error duplicating fd: %s", strerror(errno));
1120 return -1;
1123 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1124 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1125 fd_opaque, NULL);
1127 return 0;
1130 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1132 int fd;
1134 fd = qemu_opt_get_number(opts, "fd", -1);
1135 close(fd);
1137 return 0;
1139 #endif
1141 /***********************************************************/
1142 /* QEMU Block devices */
1144 #define HD_OPTS "media=disk"
1145 #define CDROM_OPTS "media=cdrom"
1146 #define FD_OPTS ""
1147 #define PFLASH_OPTS ""
1148 #define MTD_OPTS ""
1149 #define SD_OPTS ""
1151 static int drive_init_func(QemuOpts *opts, void *opaque)
1153 BlockInterfaceType *block_default_type = opaque;
1155 return drive_new(opts, *block_default_type) == NULL;
1158 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1160 if (NULL == qemu_opt_get(opts, "snapshot")) {
1161 qemu_opt_set(opts, "snapshot", "on");
1163 return 0;
1166 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1167 int index, const char *optstr)
1169 QemuOpts *opts;
1171 if (!enable || drive_get_by_index(type, index)) {
1172 return;
1175 opts = drive_add(type, index, NULL, optstr);
1176 if (snapshot) {
1177 drive_enable_snapshot(opts, NULL);
1179 if (!drive_new(opts, type)) {
1180 exit(1);
1184 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1186 boot_set_handler = func;
1187 boot_set_opaque = opaque;
1190 int qemu_boot_set(const char *boot_order)
1192 if (!boot_set_handler) {
1193 return -EINVAL;
1195 return boot_set_handler(boot_set_opaque, boot_order);
1198 static void validate_bootdevices(const char *devices)
1200 /* We just do some generic consistency checks */
1201 const char *p;
1202 int bitmap = 0;
1204 for (p = devices; *p != '\0'; p++) {
1205 /* Allowed boot devices are:
1206 * a-b: floppy disk drives
1207 * c-f: IDE disk drives
1208 * g-m: machine implementation dependent drives
1209 * n-p: network devices
1210 * It's up to each machine implementation to check if the given boot
1211 * devices match the actual hardware implementation and firmware
1212 * features.
1214 if (*p < 'a' || *p > 'p') {
1215 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1216 exit(1);
1218 if (bitmap & (1 << (*p - 'a'))) {
1219 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1220 exit(1);
1222 bitmap |= 1 << (*p - 'a');
1226 static void restore_boot_order(void *opaque)
1228 char *normal_boot_order = opaque;
1229 static int first = 1;
1231 /* Restore boot order and remove ourselves after the first boot */
1232 if (first) {
1233 first = 0;
1234 return;
1237 qemu_boot_set(normal_boot_order);
1239 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1240 g_free(normal_boot_order);
1243 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1244 const char *suffix)
1246 FWBootEntry *node, *i;
1248 if (bootindex < 0) {
1249 return;
1252 assert(dev != NULL || suffix != NULL);
1254 node = g_malloc0(sizeof(FWBootEntry));
1255 node->bootindex = bootindex;
1256 node->suffix = g_strdup(suffix);
1257 node->dev = dev;
1259 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1260 if (i->bootindex == bootindex) {
1261 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1262 exit(1);
1263 } else if (i->bootindex < bootindex) {
1264 continue;
1266 QTAILQ_INSERT_BEFORE(i, node, link);
1267 return;
1269 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1272 DeviceState *get_boot_device(uint32_t position)
1274 uint32_t counter = 0;
1275 FWBootEntry *i = NULL;
1276 DeviceState *res = NULL;
1278 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1279 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1280 if (counter == position) {
1281 res = i->dev;
1282 break;
1284 counter++;
1287 return res;
1291 * This function returns null terminated string that consist of new line
1292 * separated device paths.
1294 * memory pointed by "size" is assigned total length of the array in bytes
1297 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1299 FWBootEntry *i;
1300 size_t total = 0;
1301 char *list = NULL;
1303 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1304 char *devpath = NULL, *bootpath;
1305 size_t len;
1307 if (i->dev) {
1308 devpath = qdev_get_fw_dev_path(i->dev);
1309 assert(devpath);
1312 if (i->suffix && !ignore_suffixes && devpath) {
1313 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1315 bootpath = g_malloc(bootpathlen);
1316 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1317 g_free(devpath);
1318 } else if (devpath) {
1319 bootpath = devpath;
1320 } else if (!ignore_suffixes) {
1321 assert(i->suffix);
1322 bootpath = g_strdup(i->suffix);
1323 } else {
1324 bootpath = g_strdup("");
1327 if (total) {
1328 list[total-1] = '\n';
1330 len = strlen(bootpath) + 1;
1331 list = g_realloc(list, total + len);
1332 memcpy(&list[total], bootpath, len);
1333 total += len;
1334 g_free(bootpath);
1337 *size = total;
1339 if (boot_strict && *size > 0) {
1340 list[total-1] = '\n';
1341 list = g_realloc(list, total + 5);
1342 memcpy(&list[total], "HALT", 5);
1343 *size = total + 5;
1345 return list;
1348 static QemuOptsList qemu_smp_opts = {
1349 .name = "smp-opts",
1350 .implied_opt_name = "cpus",
1351 .merge_lists = true,
1352 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1353 .desc = {
1355 .name = "cpus",
1356 .type = QEMU_OPT_NUMBER,
1357 }, {
1358 .name = "sockets",
1359 .type = QEMU_OPT_NUMBER,
1360 }, {
1361 .name = "cores",
1362 .type = QEMU_OPT_NUMBER,
1363 }, {
1364 .name = "threads",
1365 .type = QEMU_OPT_NUMBER,
1366 }, {
1367 .name = "maxcpus",
1368 .type = QEMU_OPT_NUMBER,
1370 { /*End of list */ }
1374 static void smp_parse(QemuOpts *opts)
1376 if (opts) {
1378 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1379 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1380 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1381 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1383 /* compute missing values, prefer sockets over cores over threads */
1384 if (cpus == 0 || sockets == 0) {
1385 sockets = sockets > 0 ? sockets : 1;
1386 cores = cores > 0 ? cores : 1;
1387 threads = threads > 0 ? threads : 1;
1388 if (cpus == 0) {
1389 cpus = cores * threads * sockets;
1391 } else {
1392 if (cores == 0) {
1393 threads = threads > 0 ? threads : 1;
1394 cores = cpus / (sockets * threads);
1395 } else {
1396 threads = cpus / (cores * sockets);
1400 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1402 smp_cpus = cpus;
1403 smp_cores = cores > 0 ? cores : 1;
1404 smp_threads = threads > 0 ? threads : 1;
1408 if (max_cpus == 0) {
1409 max_cpus = smp_cpus;
1412 if (max_cpus > MAX_CPUMASK_BITS) {
1413 fprintf(stderr, "Unsupported number of maxcpus\n");
1414 exit(1);
1416 if (max_cpus < smp_cpus) {
1417 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1418 exit(1);
1423 static void configure_realtime(QemuOpts *opts)
1425 bool enable_mlock;
1427 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1429 if (enable_mlock) {
1430 if (os_mlock() < 0) {
1431 fprintf(stderr, "qemu: locking memory failed\n");
1432 exit(1);
1438 static void configure_msg(QemuOpts *opts)
1440 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1443 /***********************************************************/
1444 /* USB devices */
1446 static int usb_device_add(const char *devname)
1448 USBDevice *dev = NULL;
1449 #ifndef CONFIG_LINUX
1450 const char *p;
1451 #endif
1453 if (!usb_enabled(false)) {
1454 return -1;
1457 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1458 dev = usbdevice_create(devname);
1459 if (dev)
1460 goto done;
1462 /* the other ones */
1463 #ifndef CONFIG_LINUX
1464 /* only the linux version is qdev-ified, usb-bsd still needs this */
1465 if (strstart(devname, "host:", &p)) {
1466 dev = usb_host_device_open(usb_bus_find(-1), p);
1468 #endif
1469 if (!dev)
1470 return -1;
1472 done:
1473 return 0;
1476 static int usb_device_del(const char *devname)
1478 int bus_num, addr;
1479 const char *p;
1481 if (strstart(devname, "host:", &p)) {
1482 return -1;
1485 if (!usb_enabled(false)) {
1486 return -1;
1489 p = strchr(devname, '.');
1490 if (!p)
1491 return -1;
1492 bus_num = strtoul(devname, NULL, 0);
1493 addr = strtoul(p + 1, NULL, 0);
1495 return usb_device_delete_addr(bus_num, addr);
1498 static int usb_parse(const char *cmdline)
1500 int r;
1501 r = usb_device_add(cmdline);
1502 if (r < 0) {
1503 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1505 return r;
1508 void do_usb_add(Monitor *mon, const QDict *qdict)
1510 const char *devname = qdict_get_str(qdict, "devname");
1511 if (usb_device_add(devname) < 0) {
1512 error_report("could not add USB device '%s'", devname);
1516 void do_usb_del(Monitor *mon, const QDict *qdict)
1518 const char *devname = qdict_get_str(qdict, "devname");
1519 if (usb_device_del(devname) < 0) {
1520 error_report("could not delete USB device '%s'", devname);
1524 /***********************************************************/
1525 /* PCMCIA/Cardbus */
1527 static struct pcmcia_socket_entry_s {
1528 PCMCIASocket *socket;
1529 struct pcmcia_socket_entry_s *next;
1530 } *pcmcia_sockets = 0;
1532 void pcmcia_socket_register(PCMCIASocket *socket)
1534 struct pcmcia_socket_entry_s *entry;
1536 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1537 entry->socket = socket;
1538 entry->next = pcmcia_sockets;
1539 pcmcia_sockets = entry;
1542 void pcmcia_socket_unregister(PCMCIASocket *socket)
1544 struct pcmcia_socket_entry_s *entry, **ptr;
1546 ptr = &pcmcia_sockets;
1547 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1548 if (entry->socket == socket) {
1549 *ptr = entry->next;
1550 g_free(entry);
1554 void pcmcia_info(Monitor *mon, const QDict *qdict)
1556 struct pcmcia_socket_entry_s *iter;
1558 if (!pcmcia_sockets)
1559 monitor_printf(mon, "No PCMCIA sockets\n");
1561 for (iter = pcmcia_sockets; iter; iter = iter->next)
1562 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1563 iter->socket->attached ? iter->socket->card_string :
1564 "Empty");
1567 /***********************************************************/
1568 /* machine registration */
1570 MachineState *current_machine;
1572 static void machine_class_init(ObjectClass *oc, void *data)
1574 MachineClass *mc = MACHINE_CLASS(oc);
1575 QEMUMachine *qm = data;
1577 mc->name = qm->name;
1578 mc->alias = qm->alias;
1579 mc->desc = qm->desc;
1580 mc->init = qm->init;
1581 mc->reset = qm->reset;
1582 mc->hot_add_cpu = qm->hot_add_cpu;
1583 mc->kvm_type = qm->kvm_type;
1584 mc->block_default_type = qm->block_default_type;
1585 mc->max_cpus = qm->max_cpus;
1586 mc->no_serial = qm->no_serial;
1587 mc->no_parallel = qm->no_parallel;
1588 mc->use_virtcon = qm->use_virtcon;
1589 mc->use_sclp = qm->use_sclp;
1590 mc->no_floppy = qm->no_floppy;
1591 mc->no_cdrom = qm->no_cdrom;
1592 mc->no_sdcard = qm->no_sdcard;
1593 mc->is_default = qm->is_default;
1594 mc->default_machine_opts = qm->default_machine_opts;
1595 mc->default_boot_order = qm->default_boot_order;
1596 mc->compat_props = qm->compat_props;
1597 mc->hw_version = qm->hw_version;
1600 int qemu_register_machine(QEMUMachine *m)
1602 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1603 TypeInfo ti = {
1604 .name = name,
1605 .parent = TYPE_MACHINE,
1606 .class_init = machine_class_init,
1607 .class_data = (void *)m,
1610 type_register(&ti);
1611 g_free(name);
1613 return 0;
1616 static MachineClass *find_machine(const char *name)
1618 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1619 MachineClass *mc = NULL;
1621 for (el = machines; el; el = el->next) {
1622 MachineClass *temp = el->data;
1624 if (!strcmp(temp->name, name)) {
1625 mc = temp;
1626 break;
1628 if (temp->alias &&
1629 !strcmp(temp->alias, name)) {
1630 mc = temp;
1631 break;
1635 g_slist_free(machines);
1636 return mc;
1639 MachineClass *find_default_machine(void)
1641 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1642 MachineClass *mc = NULL;
1644 for (el = machines; el; el = el->next) {
1645 MachineClass *temp = el->data;
1647 if (temp->is_default) {
1648 mc = temp;
1649 break;
1653 g_slist_free(machines);
1654 return mc;
1657 MachineInfoList *qmp_query_machines(Error **errp)
1659 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1660 MachineInfoList *mach_list = NULL;
1662 for (el = machines; el; el = el->next) {
1663 MachineClass *mc = el->data;
1664 MachineInfoList *entry;
1665 MachineInfo *info;
1667 info = g_malloc0(sizeof(*info));
1668 if (mc->is_default) {
1669 info->has_is_default = true;
1670 info->is_default = true;
1673 if (mc->alias) {
1674 info->has_alias = true;
1675 info->alias = g_strdup(mc->alias);
1678 info->name = g_strdup(mc->name);
1679 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1681 entry = g_malloc0(sizeof(*entry));
1682 entry->value = info;
1683 entry->next = mach_list;
1684 mach_list = entry;
1687 g_slist_free(machines);
1688 return mach_list;
1691 /***********************************************************/
1692 /* main execution loop */
1694 struct vm_change_state_entry {
1695 VMChangeStateHandler *cb;
1696 void *opaque;
1697 QLIST_ENTRY (vm_change_state_entry) entries;
1700 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1702 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1703 void *opaque)
1705 VMChangeStateEntry *e;
1707 e = g_malloc0(sizeof (*e));
1709 e->cb = cb;
1710 e->opaque = opaque;
1711 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1712 return e;
1715 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1717 QLIST_REMOVE (e, entries);
1718 g_free (e);
1721 void vm_state_notify(int running, RunState state)
1723 VMChangeStateEntry *e;
1725 trace_vm_state_notify(running, state);
1727 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1728 e->cb(e->opaque, running, state);
1732 /* reset/shutdown handler */
1734 typedef struct QEMUResetEntry {
1735 QTAILQ_ENTRY(QEMUResetEntry) entry;
1736 QEMUResetHandler *func;
1737 void *opaque;
1738 } QEMUResetEntry;
1740 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1741 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1742 static int reset_requested;
1743 static int shutdown_requested, shutdown_signal = -1;
1744 static pid_t shutdown_pid;
1745 static int powerdown_requested;
1746 static int debug_requested;
1747 static int suspend_requested;
1748 static WakeupReason wakeup_reason;
1749 static NotifierList powerdown_notifiers =
1750 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1751 static NotifierList suspend_notifiers =
1752 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1753 static NotifierList wakeup_notifiers =
1754 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1755 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1757 int qemu_shutdown_requested_get(void)
1759 return shutdown_requested;
1762 int qemu_reset_requested_get(void)
1764 return reset_requested;
1767 static int qemu_shutdown_requested(void)
1769 int r = shutdown_requested;
1770 shutdown_requested = 0;
1771 return r;
1774 static void qemu_kill_report(void)
1776 if (!qtest_driver() && shutdown_signal != -1) {
1777 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1778 if (shutdown_pid == 0) {
1779 /* This happens for eg ^C at the terminal, so it's worth
1780 * avoiding printing an odd message in that case.
1782 fputc('\n', stderr);
1783 } else {
1784 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1786 shutdown_signal = -1;
1790 static int qemu_reset_requested(void)
1792 int r = reset_requested;
1793 reset_requested = 0;
1794 return r;
1797 static int qemu_suspend_requested(void)
1799 int r = suspend_requested;
1800 suspend_requested = 0;
1801 return r;
1804 static WakeupReason qemu_wakeup_requested(void)
1806 return wakeup_reason;
1809 static int qemu_powerdown_requested(void)
1811 int r = powerdown_requested;
1812 powerdown_requested = 0;
1813 return r;
1816 static int qemu_debug_requested(void)
1818 int r = debug_requested;
1819 debug_requested = 0;
1820 return r;
1823 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1825 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1827 re->func = func;
1828 re->opaque = opaque;
1829 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1832 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1834 QEMUResetEntry *re;
1836 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1837 if (re->func == func && re->opaque == opaque) {
1838 QTAILQ_REMOVE(&reset_handlers, re, entry);
1839 g_free(re);
1840 return;
1845 void qemu_devices_reset(void)
1847 QEMUResetEntry *re, *nre;
1849 /* reset all devices */
1850 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1851 re->func(re->opaque);
1855 void qemu_system_reset(bool report)
1857 MachineClass *mc;
1859 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1861 if (mc && mc->reset) {
1862 mc->reset();
1863 } else {
1864 qemu_devices_reset();
1866 if (report) {
1867 qapi_event_send_reset(&error_abort);
1869 cpu_synchronize_all_post_reset();
1872 void qemu_system_reset_request(void)
1874 if (no_reboot) {
1875 shutdown_requested = 1;
1876 } else {
1877 reset_requested = 1;
1879 cpu_stop_current();
1880 qemu_notify_event();
1883 static void qemu_system_suspend(void)
1885 pause_all_vcpus();
1886 notifier_list_notify(&suspend_notifiers, NULL);
1887 runstate_set(RUN_STATE_SUSPENDED);
1888 qapi_event_send_suspend(&error_abort);
1891 void qemu_system_suspend_request(void)
1893 if (runstate_check(RUN_STATE_SUSPENDED)) {
1894 return;
1896 suspend_requested = 1;
1897 cpu_stop_current();
1898 qemu_notify_event();
1901 void qemu_register_suspend_notifier(Notifier *notifier)
1903 notifier_list_add(&suspend_notifiers, notifier);
1906 void qemu_system_wakeup_request(WakeupReason reason)
1908 trace_system_wakeup_request(reason);
1910 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1911 return;
1913 if (!(wakeup_reason_mask & (1 << reason))) {
1914 return;
1916 runstate_set(RUN_STATE_RUNNING);
1917 wakeup_reason = reason;
1918 qemu_notify_event();
1921 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1923 if (enabled) {
1924 wakeup_reason_mask |= (1 << reason);
1925 } else {
1926 wakeup_reason_mask &= ~(1 << reason);
1930 void qemu_register_wakeup_notifier(Notifier *notifier)
1932 notifier_list_add(&wakeup_notifiers, notifier);
1935 void qemu_system_killed(int signal, pid_t pid)
1937 shutdown_signal = signal;
1938 shutdown_pid = pid;
1939 no_shutdown = 0;
1940 qemu_system_shutdown_request();
1943 void qemu_system_shutdown_request(void)
1945 trace_qemu_system_shutdown_request();
1946 shutdown_requested = 1;
1947 qemu_notify_event();
1950 static void qemu_system_powerdown(void)
1952 qapi_event_send_powerdown(&error_abort);
1953 notifier_list_notify(&powerdown_notifiers, NULL);
1956 void qemu_system_powerdown_request(void)
1958 trace_qemu_system_powerdown_request();
1959 powerdown_requested = 1;
1960 qemu_notify_event();
1963 void qemu_register_powerdown_notifier(Notifier *notifier)
1965 notifier_list_add(&powerdown_notifiers, notifier);
1968 void qemu_system_debug_request(void)
1970 debug_requested = 1;
1971 qemu_notify_event();
1974 static bool main_loop_should_exit(void)
1976 RunState r;
1977 if (qemu_debug_requested()) {
1978 vm_stop(RUN_STATE_DEBUG);
1980 if (qemu_suspend_requested()) {
1981 qemu_system_suspend();
1983 if (qemu_shutdown_requested()) {
1984 qemu_kill_report();
1985 qapi_event_send_shutdown(&error_abort);
1986 if (no_shutdown) {
1987 vm_stop(RUN_STATE_SHUTDOWN);
1988 } else {
1989 return true;
1992 if (qemu_reset_requested()) {
1993 pause_all_vcpus();
1994 cpu_synchronize_all_states();
1995 qemu_system_reset(VMRESET_REPORT);
1996 resume_all_vcpus();
1997 if (runstate_needs_reset()) {
1998 runstate_set(RUN_STATE_PAUSED);
2001 if (qemu_wakeup_requested()) {
2002 pause_all_vcpus();
2003 cpu_synchronize_all_states();
2004 qemu_system_reset(VMRESET_SILENT);
2005 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2006 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2007 resume_all_vcpus();
2008 qapi_event_send_wakeup(&error_abort);
2010 if (qemu_powerdown_requested()) {
2011 qemu_system_powerdown();
2013 if (qemu_vmstop_requested(&r)) {
2014 vm_stop(r);
2016 return false;
2019 static void main_loop(void)
2021 bool nonblocking;
2022 int last_io = 0;
2023 #ifdef CONFIG_PROFILER
2024 int64_t ti;
2025 #endif
2026 do {
2027 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2028 #ifdef CONFIG_PROFILER
2029 ti = profile_getclock();
2030 #endif
2031 last_io = main_loop_wait(nonblocking);
2032 #ifdef CONFIG_PROFILER
2033 dev_time += profile_getclock() - ti;
2034 #endif
2035 } while (!main_loop_should_exit());
2038 static void version(void)
2040 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2043 static void QEMU_NORETURN help(int exitcode)
2045 version();
2046 printf("usage: %s [options] [disk_image]\n\n"
2047 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2048 error_get_progname());
2050 #define QEMU_OPTIONS_GENERATE_HELP
2051 #include "qemu-options-wrapper.h"
2053 printf("\nDuring emulation, the following keys are useful:\n"
2054 "ctrl-alt-f toggle full screen\n"
2055 "ctrl-alt-n switch to virtual console 'n'\n"
2056 "ctrl-alt toggle mouse and keyboard grab\n"
2057 "\n"
2058 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2060 exit(exitcode);
2063 #define HAS_ARG 0x0001
2065 typedef struct QEMUOption {
2066 const char *name;
2067 int flags;
2068 int index;
2069 uint32_t arch_mask;
2070 } QEMUOption;
2072 static const QEMUOption qemu_options[] = {
2073 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2074 #define QEMU_OPTIONS_GENERATE_OPTIONS
2075 #include "qemu-options-wrapper.h"
2076 { NULL },
2079 static bool vga_available(void)
2081 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2084 static bool cirrus_vga_available(void)
2086 return object_class_by_name("cirrus-vga")
2087 || object_class_by_name("isa-cirrus-vga");
2090 static bool vmware_vga_available(void)
2092 return object_class_by_name("vmware-svga");
2095 static bool qxl_vga_available(void)
2097 return object_class_by_name("qxl-vga");
2100 static bool tcx_vga_available(void)
2102 return object_class_by_name("SUNW,tcx");
2105 static bool cg3_vga_available(void)
2107 return object_class_by_name("cgthree");
2110 static void select_vgahw (const char *p)
2112 const char *opts;
2114 assert(vga_interface_type == VGA_NONE);
2115 if (strstart(p, "std", &opts)) {
2116 if (vga_available()) {
2117 vga_interface_type = VGA_STD;
2118 } else {
2119 fprintf(stderr, "Error: standard VGA not available\n");
2120 exit(0);
2122 } else if (strstart(p, "cirrus", &opts)) {
2123 if (cirrus_vga_available()) {
2124 vga_interface_type = VGA_CIRRUS;
2125 } else {
2126 fprintf(stderr, "Error: Cirrus VGA not available\n");
2127 exit(0);
2129 } else if (strstart(p, "vmware", &opts)) {
2130 if (vmware_vga_available()) {
2131 vga_interface_type = VGA_VMWARE;
2132 } else {
2133 fprintf(stderr, "Error: VMWare SVGA not available\n");
2134 exit(0);
2136 } else if (strstart(p, "xenfb", &opts)) {
2137 vga_interface_type = VGA_XENFB;
2138 } else if (strstart(p, "qxl", &opts)) {
2139 if (qxl_vga_available()) {
2140 vga_interface_type = VGA_QXL;
2141 } else {
2142 fprintf(stderr, "Error: QXL VGA not available\n");
2143 exit(0);
2145 } else if (strstart(p, "tcx", &opts)) {
2146 if (tcx_vga_available()) {
2147 vga_interface_type = VGA_TCX;
2148 } else {
2149 fprintf(stderr, "Error: TCX framebuffer not available\n");
2150 exit(0);
2152 } else if (strstart(p, "cg3", &opts)) {
2153 if (cg3_vga_available()) {
2154 vga_interface_type = VGA_CG3;
2155 } else {
2156 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2157 exit(0);
2159 } else if (!strstart(p, "none", &opts)) {
2160 invalid_vga:
2161 fprintf(stderr, "Unknown vga type: %s\n", p);
2162 exit(1);
2164 while (*opts) {
2165 const char *nextopt;
2167 if (strstart(opts, ",retrace=", &nextopt)) {
2168 opts = nextopt;
2169 if (strstart(opts, "dumb", &nextopt))
2170 vga_retrace_method = VGA_RETRACE_DUMB;
2171 else if (strstart(opts, "precise", &nextopt))
2172 vga_retrace_method = VGA_RETRACE_PRECISE;
2173 else goto invalid_vga;
2174 } else goto invalid_vga;
2175 opts = nextopt;
2179 static DisplayType select_display(const char *p)
2181 const char *opts;
2182 DisplayType display = DT_DEFAULT;
2184 if (strstart(p, "sdl", &opts)) {
2185 #ifdef CONFIG_SDL
2186 display = DT_SDL;
2187 while (*opts) {
2188 const char *nextopt;
2190 if (strstart(opts, ",frame=", &nextopt)) {
2191 opts = nextopt;
2192 if (strstart(opts, "on", &nextopt)) {
2193 no_frame = 0;
2194 } else if (strstart(opts, "off", &nextopt)) {
2195 no_frame = 1;
2196 } else {
2197 goto invalid_sdl_args;
2199 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2200 opts = nextopt;
2201 if (strstart(opts, "on", &nextopt)) {
2202 alt_grab = 1;
2203 } else if (strstart(opts, "off", &nextopt)) {
2204 alt_grab = 0;
2205 } else {
2206 goto invalid_sdl_args;
2208 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2209 opts = nextopt;
2210 if (strstart(opts, "on", &nextopt)) {
2211 ctrl_grab = 1;
2212 } else if (strstart(opts, "off", &nextopt)) {
2213 ctrl_grab = 0;
2214 } else {
2215 goto invalid_sdl_args;
2217 } else if (strstart(opts, ",window_close=", &nextopt)) {
2218 opts = nextopt;
2219 if (strstart(opts, "on", &nextopt)) {
2220 no_quit = 0;
2221 } else if (strstart(opts, "off", &nextopt)) {
2222 no_quit = 1;
2223 } else {
2224 goto invalid_sdl_args;
2226 } else {
2227 invalid_sdl_args:
2228 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2229 exit(1);
2231 opts = nextopt;
2233 #else
2234 fprintf(stderr, "SDL support is disabled\n");
2235 exit(1);
2236 #endif
2237 } else if (strstart(p, "vnc", &opts)) {
2238 #ifdef CONFIG_VNC
2239 display_remote++;
2241 if (*opts) {
2242 const char *nextopt;
2244 if (strstart(opts, "=", &nextopt)) {
2245 vnc_display = nextopt;
2248 if (!vnc_display) {
2249 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2250 exit(1);
2252 #else
2253 fprintf(stderr, "VNC support is disabled\n");
2254 exit(1);
2255 #endif
2256 } else if (strstart(p, "curses", &opts)) {
2257 #ifdef CONFIG_CURSES
2258 display = DT_CURSES;
2259 #else
2260 fprintf(stderr, "Curses support is disabled\n");
2261 exit(1);
2262 #endif
2263 } else if (strstart(p, "gtk", &opts)) {
2264 #ifdef CONFIG_GTK
2265 display = DT_GTK;
2266 while (*opts) {
2267 const char *nextopt;
2269 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2270 opts = nextopt;
2271 if (strstart(opts, "on", &nextopt)) {
2272 grab_on_hover = true;
2273 } else if (strstart(opts, "off", &nextopt)) {
2274 grab_on_hover = false;
2275 } else {
2276 goto invalid_gtk_args;
2278 } else {
2279 invalid_gtk_args:
2280 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2281 exit(1);
2283 opts = nextopt;
2285 #else
2286 fprintf(stderr, "GTK support is disabled\n");
2287 exit(1);
2288 #endif
2289 } else if (strstart(p, "none", &opts)) {
2290 display = DT_NONE;
2291 } else {
2292 fprintf(stderr, "Unknown display type: %s\n", p);
2293 exit(1);
2296 return display;
2299 static int balloon_parse(const char *arg)
2301 QemuOpts *opts;
2303 if (strcmp(arg, "none") == 0) {
2304 return 0;
2307 if (!strncmp(arg, "virtio", 6)) {
2308 if (arg[6] == ',') {
2309 /* have params -> parse them */
2310 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2311 if (!opts)
2312 return -1;
2313 } else {
2314 /* create empty opts */
2315 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2316 &error_abort);
2318 qemu_opt_set(opts, "driver", "virtio-balloon");
2319 return 0;
2322 return -1;
2325 #if defined(CONFIG_RUBY)
2326 /* Ruby interface for QEMU. See README.EXT for programming example. */
2327 #warning mit ruby
2328 #include <ruby.h>
2330 static VALUE qemu_open(int argc, VALUE *argv, VALUE klass)
2332 int i;
2333 for (i = 0; i < argc; i++) {
2334 argv[i] = StringValue(argv[i]);
2335 fprintf(stderr, "argv[%d] = %s\n", i, StringValuePtr(argv[i]));
2337 //~ if (rb_scan_args(argc, argv, "11", &file, &vmode) == 1) {
2338 //~ mode = 0666; /* default value */
2339 //~ }
2340 return INT2FIX(argc);
2343 void Init_qemu(void)
2345 printf("%s\n", __func__);
2346 VALUE cQEMU = rb_define_class("QEMU", rb_cObject);
2347 rb_define_singleton_method(cQEMU, "run", qemu_open, -1);
2348 #if 0
2349 rb_define_method();
2350 #endif
2352 #endif /* CONFIG_RUBY */
2354 #if defined(CONFIG_DLL)
2355 BOOL APIENTRY DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID data)
2357 return FALSE;
2359 #endif /* CONFIG_DLL */
2361 char *qemu_find_file(int type, const char *name)
2363 int i;
2364 const char *subdir;
2365 char *buf;
2367 /* Try the name as a straight path first */
2368 if (access(name, R_OK) == 0) {
2369 trace_load_file(name, name);
2370 return g_strdup(name);
2373 switch (type) {
2374 case QEMU_FILE_TYPE_BIOS:
2375 subdir = "";
2376 break;
2377 case QEMU_FILE_TYPE_KEYMAP:
2378 subdir = "keymaps/";
2379 break;
2380 default:
2381 abort();
2384 for (i = 0; i < data_dir_idx; i++) {
2385 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2386 if (access(buf, R_OK) == 0) {
2387 trace_load_file(name, buf);
2388 return buf;
2390 g_free(buf);
2392 return NULL;
2395 static int device_help_func(QemuOpts *opts, void *opaque)
2397 return qdev_device_help(opts);
2400 static int device_init_func(QemuOpts *opts, void *opaque)
2402 DeviceState *dev;
2404 dev = qdev_device_add(opts);
2405 if (!dev)
2406 return -1;
2407 object_unref(OBJECT(dev));
2408 return 0;
2411 static int chardev_init_func(QemuOpts *opts, void *opaque)
2413 Error *local_err = NULL;
2415 qemu_chr_new_from_opts(opts, NULL, &local_err);
2416 if (local_err) {
2417 error_report("%s", error_get_pretty(local_err));
2418 error_free(local_err);
2419 return -1;
2421 return 0;
2424 #ifdef CONFIG_VIRTFS
2425 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2427 int ret;
2428 ret = qemu_fsdev_add(opts);
2430 return ret;
2432 #endif
2434 static int mon_init_func(QemuOpts *opts, void *opaque)
2436 CharDriverState *chr;
2437 const char *chardev;
2438 const char *mode;
2439 int flags;
2441 mode = qemu_opt_get(opts, "mode");
2442 if (mode == NULL) {
2443 mode = "readline";
2445 if (strcmp(mode, "readline") == 0) {
2446 flags = MONITOR_USE_READLINE;
2447 } else if (strcmp(mode, "control") == 0) {
2448 flags = MONITOR_USE_CONTROL;
2449 } else {
2450 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2451 exit(1);
2454 if (qemu_opt_get_bool(opts, "pretty", 0))
2455 flags |= MONITOR_USE_PRETTY;
2457 if (qemu_opt_get_bool(opts, "default", 0))
2458 flags |= MONITOR_IS_DEFAULT;
2460 chardev = qemu_opt_get(opts, "chardev");
2461 chr = qemu_chr_find(chardev);
2462 if (chr == NULL) {
2463 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2464 exit(1);
2467 qemu_chr_fe_claim_no_fail(chr);
2468 monitor_init(chr, flags);
2469 return 0;
2472 static void monitor_parse(const char *optarg, const char *mode)
2474 static int monitor_device_index = 0;
2475 QemuOpts *opts;
2476 const char *p;
2477 char label[32];
2478 int def = 0;
2480 if (strstart(optarg, "chardev:", &p)) {
2481 snprintf(label, sizeof(label), "%s", p);
2482 } else {
2483 snprintf(label, sizeof(label), "compat_monitor%d",
2484 monitor_device_index);
2485 if (monitor_device_index == 0) {
2486 def = 1;
2488 opts = qemu_chr_parse_compat(label, optarg);
2489 if (!opts) {
2490 fprintf(stderr, "parse error: %s\n", optarg);
2491 exit(1);
2495 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2496 if (!opts) {
2497 fprintf(stderr, "duplicate chardev: %s\n", label);
2498 exit(1);
2500 qemu_opt_set(opts, "mode", mode);
2501 qemu_opt_set(opts, "chardev", label);
2502 if (def)
2503 qemu_opt_set(opts, "default", "on");
2504 monitor_device_index++;
2507 struct device_config {
2508 enum {
2509 DEV_USB, /* -usbdevice */
2510 DEV_BT, /* -bt */
2511 DEV_SERIAL, /* -serial */
2512 DEV_PARALLEL, /* -parallel */
2513 DEV_VIRTCON, /* -virtioconsole */
2514 DEV_DEBUGCON, /* -debugcon */
2515 DEV_GDB, /* -gdb, -s */
2516 DEV_SCLP, /* s390 sclp */
2517 } type;
2518 const char *cmdline;
2519 Location loc;
2520 QTAILQ_ENTRY(device_config) next;
2523 static QTAILQ_HEAD(, device_config) device_configs =
2524 QTAILQ_HEAD_INITIALIZER(device_configs);
2526 static void add_device_config(int type, const char *cmdline)
2528 struct device_config *conf;
2530 conf = g_malloc0(sizeof(*conf));
2531 conf->type = type;
2532 conf->cmdline = cmdline;
2533 loc_save(&conf->loc);
2534 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2537 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2539 struct device_config *conf;
2540 int rc;
2542 QTAILQ_FOREACH(conf, &device_configs, next) {
2543 if (conf->type != type)
2544 continue;
2545 loc_push_restore(&conf->loc);
2546 rc = func(conf->cmdline);
2547 loc_pop(&conf->loc);
2548 if (0 != rc)
2549 return rc;
2551 return 0;
2554 static int serial_parse(const char *devname)
2556 static int index = 0;
2557 char label[32];
2559 if (strcmp(devname, "none") == 0)
2560 return 0;
2561 if (index == MAX_SERIAL_PORTS) {
2562 fprintf(stderr, "qemu: too many serial ports\n");
2563 exit(1);
2565 snprintf(label, sizeof(label), "serial%d", index);
2566 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2567 if (!serial_hds[index]) {
2568 fprintf(stderr, "qemu: could not connect serial device"
2569 " to character backend '%s'\n", devname);
2570 return -1;
2572 index++;
2573 return 0;
2576 static int parallel_parse(const char *devname)
2578 static int index = 0;
2579 char label[32];
2581 if (strcmp(devname, "none") == 0)
2582 return 0;
2583 if (index == MAX_PARALLEL_PORTS) {
2584 fprintf(stderr, "qemu: too many parallel ports\n");
2585 exit(1);
2587 snprintf(label, sizeof(label), "parallel%d", index);
2588 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2589 if (!parallel_hds[index]) {
2590 fprintf(stderr, "qemu: could not connect parallel device"
2591 " to character backend '%s'\n", devname);
2592 return -1;
2594 index++;
2595 return 0;
2598 static int virtcon_parse(const char *devname)
2600 QemuOptsList *device = qemu_find_opts("device");
2601 static int index = 0;
2602 char label[32];
2603 QemuOpts *bus_opts, *dev_opts;
2605 if (strcmp(devname, "none") == 0)
2606 return 0;
2607 if (index == MAX_VIRTIO_CONSOLES) {
2608 fprintf(stderr, "qemu: too many virtio consoles\n");
2609 exit(1);
2612 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2613 if (arch_type == QEMU_ARCH_S390X) {
2614 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2615 } else {
2616 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2619 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2620 qemu_opt_set(dev_opts, "driver", "virtconsole");
2622 snprintf(label, sizeof(label), "virtcon%d", index);
2623 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2624 if (!virtcon_hds[index]) {
2625 fprintf(stderr, "qemu: could not connect virtio console"
2626 " to character backend '%s'\n", devname);
2627 return -1;
2629 qemu_opt_set(dev_opts, "chardev", label);
2631 index++;
2632 return 0;
2635 static int sclp_parse(const char *devname)
2637 QemuOptsList *device = qemu_find_opts("device");
2638 static int index = 0;
2639 char label[32];
2640 QemuOpts *dev_opts;
2642 if (strcmp(devname, "none") == 0) {
2643 return 0;
2645 if (index == MAX_SCLP_CONSOLES) {
2646 fprintf(stderr, "qemu: too many sclp consoles\n");
2647 exit(1);
2650 assert(arch_type == QEMU_ARCH_S390X);
2652 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2653 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2655 snprintf(label, sizeof(label), "sclpcon%d", index);
2656 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2657 if (!sclp_hds[index]) {
2658 fprintf(stderr, "qemu: could not connect sclp console"
2659 " to character backend '%s'\n", devname);
2660 return -1;
2662 qemu_opt_set(dev_opts, "chardev", label);
2664 index++;
2665 return 0;
2668 static int debugcon_parse(const char *devname)
2670 QemuOpts *opts;
2672 if (!qemu_chr_new("debugcon", devname, NULL)) {
2673 exit(1);
2675 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2676 if (!opts) {
2677 fprintf(stderr, "qemu: already have a debugcon device\n");
2678 exit(1);
2680 qemu_opt_set(opts, "driver", "isa-debugcon");
2681 qemu_opt_set(opts, "chardev", "debugcon");
2682 return 0;
2685 static MachineClass *machine_parse(const char *name)
2687 MachineClass *mc = NULL;
2688 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2690 if (name) {
2691 mc = find_machine(name);
2693 if (mc) {
2694 return mc;
2696 if (name && !is_help_option(name)) {
2697 error_report("Unsupported machine type");
2698 error_printf("Use -machine help to list supported machines!\n");
2699 } else {
2700 printf("Supported machines are:\n");
2701 for (el = machines; el; el = el->next) {
2702 MachineClass *mc = el->data;
2703 if (mc->alias) {
2704 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2706 printf("%-20s %s%s\n", mc->name, mc->desc,
2707 mc->is_default ? " (default)" : "");
2711 g_slist_free(machines);
2712 exit(!name || !is_help_option(name));
2715 static int tcg_init(MachineClass *mc)
2717 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2718 return 0;
2721 static struct {
2722 const char *opt_name;
2723 const char *name;
2724 int (*available)(void);
2725 int (*init)(MachineClass *mc);
2726 bool *allowed;
2727 } accel_list[] = {
2728 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2729 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2730 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2731 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2734 static int configure_accelerator(MachineClass *mc)
2736 const char *p;
2737 char buf[10];
2738 int i, ret;
2739 bool accel_initialised = false;
2740 bool init_failed = false;
2742 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2743 if (p == NULL) {
2744 /* Use the default "accelerator", tcg */
2745 p = "tcg";
2748 while (!accel_initialised && *p != '\0') {
2749 if (*p == ':') {
2750 p++;
2752 p = get_opt_name(buf, sizeof (buf), p, ':');
2753 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2754 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2755 if (!accel_list[i].available()) {
2756 printf("%s not supported for this target\n",
2757 accel_list[i].name);
2758 break;
2760 *(accel_list[i].allowed) = true;
2761 ret = accel_list[i].init(mc);
2762 if (ret < 0) {
2763 init_failed = true;
2764 fprintf(stderr, "failed to initialize %s: %s\n",
2765 accel_list[i].name,
2766 strerror(-ret));
2767 *(accel_list[i].allowed) = false;
2768 } else {
2769 accel_initialised = true;
2771 break;
2774 if (i == ARRAY_SIZE(accel_list)) {
2775 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2779 if (!accel_initialised) {
2780 if (!init_failed) {
2781 fprintf(stderr, "No accelerator found!\n");
2783 exit(1);
2786 if (init_failed) {
2787 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2790 return !accel_initialised;
2793 void qemu_add_exit_notifier(Notifier *notify)
2795 notifier_list_add(&exit_notifiers, notify);
2798 void qemu_remove_exit_notifier(Notifier *notify)
2800 notifier_remove(notify);
2803 static void qemu_run_exit_notifiers(void)
2805 notifier_list_notify(&exit_notifiers, NULL);
2808 void qemu_add_machine_init_done_notifier(Notifier *notify)
2810 notifier_list_add(&machine_init_done_notifiers, notify);
2813 static void qemu_run_machine_init_done_notifiers(void)
2815 notifier_list_notify(&machine_init_done_notifiers, NULL);
2818 static const QEMUOption *lookup_opt(int argc, char **argv,
2819 const char **poptarg, int *poptind)
2821 const QEMUOption *popt;
2822 int optind = *poptind;
2823 char *r = argv[optind];
2824 const char *optarg;
2826 loc_set_cmdline(argv, optind, 1);
2827 optind++;
2828 /* Treat --foo the same as -foo. */
2829 if (r[1] == '-')
2830 r++;
2831 popt = qemu_options;
2832 for(;;) {
2833 if (!popt->name) {
2834 error_report("invalid option");
2835 exit(1);
2837 if (!strcmp(popt->name, r + 1))
2838 break;
2839 popt++;
2841 if (popt->flags & HAS_ARG) {
2842 if (optind >= argc) {
2843 error_report("requires an argument");
2844 exit(1);
2846 optarg = argv[optind++];
2847 loc_set_cmdline(argv, optind - 2, 2);
2848 } else {
2849 optarg = NULL;
2852 *poptarg = optarg;
2853 *poptind = optind;
2855 return popt;
2858 static gpointer malloc_and_trace(gsize n_bytes)
2860 void *ptr = malloc(n_bytes);
2861 trace_g_malloc(n_bytes, ptr);
2862 return ptr;
2865 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2867 void *ptr = realloc(mem, n_bytes);
2868 trace_g_realloc(mem, n_bytes, ptr);
2869 return ptr;
2872 static void free_and_trace(gpointer mem)
2874 trace_g_free(mem);
2875 free(mem);
2878 static int object_set_property(const char *name, const char *value, void *opaque)
2880 Object *obj = OBJECT(opaque);
2881 StringInputVisitor *siv;
2882 Error *local_err = NULL;
2883 char *c, *qom_name;
2885 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0 ||
2886 strcmp(name, "type") == 0) {
2887 return 0;
2890 qom_name = g_strdup(name);
2891 c = qom_name;
2892 while (*c++) {
2893 if (*c == '_') {
2894 *c = '-';
2898 siv = string_input_visitor_new(value);
2899 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2900 string_input_visitor_cleanup(siv);
2901 g_free(qom_name);
2903 if (local_err) {
2904 qerror_report_err(local_err);
2905 error_free(local_err);
2906 return -1;
2909 return 0;
2912 static int object_create(QemuOpts *opts, void *opaque)
2914 Error *err = NULL;
2915 char *type = NULL;
2916 char *id = NULL;
2917 void *dummy = NULL;
2918 OptsVisitor *ov;
2919 QDict *pdict;
2921 ov = opts_visitor_new(opts);
2922 pdict = qemu_opts_to_qdict(opts, NULL);
2924 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2925 if (err) {
2926 goto out;
2929 qdict_del(pdict, "qom-type");
2930 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2931 if (err) {
2932 goto out;
2935 qdict_del(pdict, "id");
2936 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2937 if (err) {
2938 goto out;
2941 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2942 if (err) {
2943 goto out;
2945 visit_end_struct(opts_get_visitor(ov), &err);
2946 if (err) {
2947 qmp_object_del(id, NULL);
2950 out:
2951 opts_visitor_cleanup(ov);
2953 QDECREF(pdict);
2954 g_free(id);
2955 g_free(type);
2956 g_free(dummy);
2957 if (err) {
2958 qerror_report_err(err);
2959 return -1;
2961 return 0;
2964 int main(int argc, char **argv)
2966 int i;
2967 int snapshot, linux_boot;
2968 const char *initrd_filename;
2969 const char *kernel_filename, *kernel_cmdline;
2970 const char *boot_order;
2971 DisplayState *ds;
2972 int cyls, heads, secs, translation;
2973 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2974 QemuOptsList *olist;
2975 int optind;
2976 const char *optarg;
2977 const char *loadvm = NULL;
2978 MachineClass *machine_class;
2979 const char *cpu_model;
2980 const char *vga_model = NULL;
2981 const char *qtest_chrdev = NULL;
2982 const char *qtest_log = NULL;
2983 const char *pid_file = NULL;
2984 const char *incoming = NULL;
2985 #ifdef CONFIG_VNC
2986 int show_vnc_port = 0;
2987 #endif
2988 bool defconfig = true;
2989 bool userconfig = true;
2990 const char *log_mask = NULL;
2991 const char *log_file = NULL;
2992 GMemVTable mem_trace = {
2993 .malloc = malloc_and_trace,
2994 .realloc = realloc_and_trace,
2995 .free = free_and_trace,
2997 const char *trace_events = NULL;
2998 const char *trace_file = NULL;
2999 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
3000 1024 * 1024;
3001 ram_addr_t maxram_size = default_ram_size;
3002 uint64_t ram_slots = 0;
3003 FILE *vmstate_dump_file = NULL;
3005 atexit(qemu_run_exit_notifiers);
3006 error_set_progname(argv[0]);
3007 qemu_init_exec_dir(argv[0]);
3009 g_mem_set_vtable(&mem_trace);
3011 module_call_init(MODULE_INIT_QOM);
3013 qemu_add_opts(&qemu_drive_opts);
3014 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3015 qemu_add_drive_opts(&qemu_common_drive_opts);
3016 qemu_add_drive_opts(&qemu_drive_opts);
3017 qemu_add_opts(&qemu_chardev_opts);
3018 qemu_add_opts(&qemu_device_opts);
3019 qemu_add_opts(&qemu_netdev_opts);
3020 qemu_add_opts(&qemu_net_opts);
3021 qemu_add_opts(&qemu_rtc_opts);
3022 qemu_add_opts(&qemu_global_opts);
3023 qemu_add_opts(&qemu_mon_opts);
3024 qemu_add_opts(&qemu_trace_opts);
3025 qemu_add_opts(&qemu_option_rom_opts);
3026 qemu_add_opts(&qemu_machine_opts);
3027 qemu_add_opts(&qemu_mem_opts);
3028 qemu_add_opts(&qemu_smp_opts);
3029 qemu_add_opts(&qemu_boot_opts);
3030 qemu_add_opts(&qemu_sandbox_opts);
3031 qemu_add_opts(&qemu_add_fd_opts);
3032 qemu_add_opts(&qemu_object_opts);
3033 qemu_add_opts(&qemu_tpmdev_opts);
3034 qemu_add_opts(&qemu_realtime_opts);
3035 qemu_add_opts(&qemu_msg_opts);
3036 qemu_add_opts(&qemu_name_opts);
3037 qemu_add_opts(&qemu_numa_opts);
3038 qemu_add_opts(&qemu_icount_opts);
3040 runstate_init();
3042 rtc_clock = QEMU_CLOCK_HOST;
3044 QLIST_INIT (&vm_change_state_head);
3045 os_setup_early_signal_handling();
3047 module_call_init(MODULE_INIT_MACHINE);
3048 machine_class = 0;
3049 optarg = strrchr(argv[0], '/');
3050 if (optarg != 0) {
3051 machine_class = find_machine(optarg + 1);
3053 if (!machine_class) {
3054 machine_class = find_default_machine();
3056 cpu_model = NULL;
3057 ram_size = default_ram_size;
3058 snapshot = 0;
3059 cyls = heads = secs = 0;
3060 translation = BIOS_ATA_TRANSLATION_AUTO;
3062 for (i = 0; i < MAX_NODES; i++) {
3063 numa_info[i].node_mem = 0;
3064 numa_info[i].present = false;
3065 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
3068 nb_numa_nodes = 0;
3069 max_numa_nodeid = 0;
3070 nb_nics = 0;
3072 bdrv_init_with_whitelist();
3074 autostart = 1;
3076 /* first pass of option parsing */
3077 optind = 1;
3078 while (optind < argc) {
3079 if (argv[optind][0] != '-') {
3080 /* disk image */
3081 optind++;
3082 } else {
3083 const QEMUOption *popt;
3085 popt = lookup_opt(argc, argv, &optarg, &optind);
3086 switch (popt->index) {
3087 case QEMU_OPTION_nodefconfig:
3088 defconfig = false;
3089 break;
3090 case QEMU_OPTION_nouserconfig:
3091 userconfig = false;
3092 break;
3097 if (defconfig) {
3098 int ret;
3099 ret = qemu_read_default_config_files(userconfig);
3100 if (ret < 0) {
3101 exit(1);
3105 /* second pass of option parsing */
3106 optind = 1;
3107 for(;;) {
3108 if (optind >= argc)
3109 break;
3110 if (argv[optind][0] != '-') {
3111 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3112 } else {
3113 const QEMUOption *popt;
3115 popt = lookup_opt(argc, argv, &optarg, &optind);
3116 if (!(popt->arch_mask & arch_type)) {
3117 printf("Option %s not supported for this target\n", popt->name);
3118 exit(1);
3120 switch(popt->index) {
3121 case QEMU_OPTION_M:
3122 machine_class = machine_parse(optarg);
3123 break;
3124 case QEMU_OPTION_no_kvm_irqchip: {
3125 olist = qemu_find_opts("machine");
3126 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3127 break;
3129 case QEMU_OPTION_cpu:
3130 /* hw initialization will check this */
3131 cpu_model = optarg;
3132 break;
3133 case QEMU_OPTION_hda:
3135 char buf[256];
3136 if (cyls == 0)
3137 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3138 else
3139 snprintf(buf, sizeof(buf),
3140 "%s,cyls=%d,heads=%d,secs=%d%s",
3141 HD_OPTS , cyls, heads, secs,
3142 translation == BIOS_ATA_TRANSLATION_LBA ?
3143 ",trans=lba" :
3144 translation == BIOS_ATA_TRANSLATION_NONE ?
3145 ",trans=none" : "");
3146 drive_add(IF_DEFAULT, 0, optarg, buf);
3147 break;
3149 case QEMU_OPTION_hdb:
3150 case QEMU_OPTION_hdc:
3151 case QEMU_OPTION_hdd:
3152 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3153 HD_OPTS);
3154 break;
3155 case QEMU_OPTION_drive:
3156 if (drive_def(optarg) == NULL) {
3157 exit(1);
3159 break;
3160 case QEMU_OPTION_set:
3161 if (qemu_set_option(optarg) != 0)
3162 exit(1);
3163 break;
3164 case QEMU_OPTION_global:
3165 if (qemu_global_option(optarg) != 0)
3166 exit(1);
3167 break;
3168 case QEMU_OPTION_mtdblock:
3169 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3170 break;
3171 case QEMU_OPTION_sd:
3172 drive_add(IF_SD, -1, optarg, SD_OPTS);
3173 break;
3174 case QEMU_OPTION_pflash:
3175 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3176 break;
3177 case QEMU_OPTION_snapshot:
3178 snapshot = 1;
3179 break;
3180 case QEMU_OPTION_hdachs:
3182 const char *p;
3183 p = optarg;
3184 cyls = strtol(p, (char **)&p, 0);
3185 if (cyls < 1 || cyls > 16383)
3186 goto chs_fail;
3187 if (*p != ',')
3188 goto chs_fail;
3189 p++;
3190 heads = strtol(p, (char **)&p, 0);
3191 if (heads < 1 || heads > 16)
3192 goto chs_fail;
3193 if (*p != ',')
3194 goto chs_fail;
3195 p++;
3196 secs = strtol(p, (char **)&p, 0);
3197 if (secs < 1 || secs > 63)
3198 goto chs_fail;
3199 if (*p == ',') {
3200 p++;
3201 if (!strcmp(p, "large")) {
3202 translation = BIOS_ATA_TRANSLATION_LARGE;
3203 } else if (!strcmp(p, "rechs")) {
3204 translation = BIOS_ATA_TRANSLATION_RECHS;
3205 } else if (!strcmp(p, "none")) {
3206 translation = BIOS_ATA_TRANSLATION_NONE;
3207 } else if (!strcmp(p, "lba")) {
3208 translation = BIOS_ATA_TRANSLATION_LBA;
3209 } else if (!strcmp(p, "auto")) {
3210 translation = BIOS_ATA_TRANSLATION_AUTO;
3211 } else {
3212 goto chs_fail;
3214 } else if (*p != '\0') {
3215 chs_fail:
3216 fprintf(stderr, "qemu: invalid physical CHS format\n");
3217 exit(1);
3219 if (hda_opts != NULL) {
3220 char num[16];
3221 snprintf(num, sizeof(num), "%d", cyls);
3222 qemu_opt_set(hda_opts, "cyls", num);
3223 snprintf(num, sizeof(num), "%d", heads);
3224 qemu_opt_set(hda_opts, "heads", num);
3225 snprintf(num, sizeof(num), "%d", secs);
3226 qemu_opt_set(hda_opts, "secs", num);
3227 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3228 qemu_opt_set(hda_opts, "trans", "large");
3229 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3230 qemu_opt_set(hda_opts, "trans", "rechs");
3231 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3232 qemu_opt_set(hda_opts, "trans", "lba");
3233 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3234 qemu_opt_set(hda_opts, "trans", "none");
3238 break;
3239 case QEMU_OPTION_numa:
3240 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3241 if (!opts) {
3242 exit(1);
3244 break;
3245 case QEMU_OPTION_display:
3246 display_type = select_display(optarg);
3247 break;
3248 case QEMU_OPTION_nographic:
3249 display_type = DT_NOGRAPHIC;
3250 break;
3251 case QEMU_OPTION_curses:
3252 #ifdef CONFIG_CURSES
3253 display_type = DT_CURSES;
3254 #else
3255 fprintf(stderr, "Curses support is disabled\n");
3256 exit(1);
3257 #endif
3258 break;
3259 case QEMU_OPTION_portrait:
3260 graphic_rotate = 90;
3261 break;
3262 case QEMU_OPTION_rotate:
3263 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3264 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3265 graphic_rotate != 180 && graphic_rotate != 270) {
3266 fprintf(stderr,
3267 "qemu: only 90, 180, 270 deg rotation is available\n");
3268 exit(1);
3270 break;
3271 case QEMU_OPTION_kernel:
3272 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3273 break;
3274 case QEMU_OPTION_initrd:
3275 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3276 break;
3277 case QEMU_OPTION_append:
3278 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3279 break;
3280 case QEMU_OPTION_dtb:
3281 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3282 break;
3283 case QEMU_OPTION_cdrom:
3284 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3285 break;
3286 case QEMU_OPTION_boot:
3287 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3288 if (!opts) {
3289 exit(1);
3291 break;
3292 case QEMU_OPTION_fda:
3293 case QEMU_OPTION_fdb:
3294 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3295 optarg, FD_OPTS);
3296 break;
3297 case QEMU_OPTION_no_fd_bootchk:
3298 fd_bootchk = 0;
3299 break;
3300 case QEMU_OPTION_netdev:
3301 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3302 exit(1);
3304 break;
3305 case QEMU_OPTION_net:
3306 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3307 exit(1);
3309 break;
3310 #ifdef CONFIG_LIBISCSI
3311 case QEMU_OPTION_iscsi:
3312 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3313 if (!opts) {
3314 exit(1);
3316 break;
3317 #endif
3318 #ifdef CONFIG_SLIRP
3319 case QEMU_OPTION_tftp:
3320 legacy_tftp_prefix = optarg;
3321 break;
3322 case QEMU_OPTION_bootp:
3323 legacy_bootp_filename = optarg;
3324 break;
3325 case QEMU_OPTION_redir:
3326 if (net_slirp_redir(optarg) < 0)
3327 exit(1);
3328 break;
3329 #endif
3330 case QEMU_OPTION_bt:
3331 add_device_config(DEV_BT, optarg);
3332 break;
3333 case QEMU_OPTION_audio_help:
3334 AUD_help ();
3335 exit (0);
3336 break;
3337 case QEMU_OPTION_soundhw:
3338 select_soundhw (optarg);
3339 break;
3340 case QEMU_OPTION_h:
3341 help(0);
3342 break;
3343 case QEMU_OPTION_version:
3344 version();
3345 exit(0);
3346 break;
3347 case QEMU_OPTION_m: {
3348 uint64_t sz;
3349 const char *mem_str;
3350 const char *maxmem_str, *slots_str;
3352 opts = qemu_opts_parse(qemu_find_opts("memory"),
3353 optarg, 1);
3354 if (!opts) {
3355 exit(EXIT_FAILURE);
3358 mem_str = qemu_opt_get(opts, "size");
3359 if (!mem_str) {
3360 error_report("invalid -m option, missing 'size' option");
3361 exit(EXIT_FAILURE);
3363 if (!*mem_str) {
3364 error_report("missing 'size' option value");
3365 exit(EXIT_FAILURE);
3368 sz = qemu_opt_get_size(opts, "size", ram_size);
3370 /* Fix up legacy suffix-less format */
3371 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3372 uint64_t overflow_check = sz;
3374 sz <<= 20;
3375 if ((sz >> 20) != overflow_check) {
3376 error_report("too large 'size' option value");
3377 exit(EXIT_FAILURE);
3381 /* backward compatibility behaviour for case "-m 0" */
3382 if (sz == 0) {
3383 sz = default_ram_size;
3386 sz = QEMU_ALIGN_UP(sz, 8192);
3387 ram_size = sz;
3388 if (ram_size != sz) {
3389 error_report("ram size too large");
3390 exit(EXIT_FAILURE);
3392 maxram_size = ram_size;
3394 maxmem_str = qemu_opt_get(opts, "maxmem");
3395 slots_str = qemu_opt_get(opts, "slots");
3396 if (maxmem_str && slots_str) {
3397 uint64_t slots;
3399 sz = qemu_opt_get_size(opts, "maxmem", 0);
3400 if (sz < ram_size) {
3401 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3402 "(%" PRIu64 ") <= initial memory ("
3403 RAM_ADDR_FMT ")\n", sz, ram_size);
3404 exit(EXIT_FAILURE);
3407 slots = qemu_opt_get_number(opts, "slots", 0);
3408 if ((sz > ram_size) && !slots) {
3409 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3410 "(%" PRIu64 ") more than initial memory ("
3411 RAM_ADDR_FMT ") but no hotplug slots where "
3412 "specified\n", sz, ram_size);
3413 exit(EXIT_FAILURE);
3416 if ((sz <= ram_size) && slots) {
3417 fprintf(stderr, "qemu: invalid -m option value: %"
3418 PRIu64 " hotplug slots where specified but "
3419 "maxmem (%" PRIu64 ") <= initial memory ("
3420 RAM_ADDR_FMT ")\n", slots, sz, ram_size);
3421 exit(EXIT_FAILURE);
3423 maxram_size = sz;
3424 ram_slots = slots;
3425 } else if ((!maxmem_str && slots_str) ||
3426 (maxmem_str && !slots_str)) {
3427 fprintf(stderr, "qemu: invalid -m option value: missing "
3428 "'%s' option\n", slots_str ? "maxmem" : "slots");
3429 exit(EXIT_FAILURE);
3431 break;
3433 #ifdef CONFIG_TPM
3434 case QEMU_OPTION_tpmdev:
3435 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3436 exit(1);
3438 break;
3439 #endif
3440 case QEMU_OPTION_mempath:
3441 mem_path = optarg;
3442 break;
3443 case QEMU_OPTION_mem_prealloc:
3444 mem_prealloc = 1;
3445 break;
3446 case QEMU_OPTION_d:
3447 log_mask = optarg;
3448 break;
3449 case QEMU_OPTION_D:
3450 log_file = optarg;
3451 break;
3452 case QEMU_OPTION_s:
3453 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3454 break;
3455 case QEMU_OPTION_gdb:
3456 add_device_config(DEV_GDB, optarg);
3457 break;
3458 case QEMU_OPTION_L:
3459 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3460 data_dir[data_dir_idx++] = optarg;
3462 break;
3463 case QEMU_OPTION_bios:
3464 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3465 break;
3466 case QEMU_OPTION_singlestep:
3467 singlestep = 1;
3468 break;
3469 case QEMU_OPTION_S:
3470 autostart = 0;
3471 break;
3472 case QEMU_OPTION_k:
3473 keyboard_layout = optarg;
3474 break;
3475 case QEMU_OPTION_localtime:
3476 rtc_utc = 0;
3477 break;
3478 case QEMU_OPTION_vga:
3479 vga_model = optarg;
3480 default_vga = 0;
3481 break;
3482 case QEMU_OPTION_g:
3484 const char *p;
3485 int w, h, depth;
3486 p = optarg;
3487 w = strtol(p, (char **)&p, 10);
3488 if (w <= 0) {
3489 graphic_error:
3490 fprintf(stderr, "qemu: invalid resolution or depth\n");
3491 exit(1);
3493 if (*p != 'x')
3494 goto graphic_error;
3495 p++;
3496 h = strtol(p, (char **)&p, 10);
3497 if (h <= 0)
3498 goto graphic_error;
3499 if (*p == 'x') {
3500 p++;
3501 depth = strtol(p, (char **)&p, 10);
3502 if (depth != 8 && depth != 15 && depth != 16 &&
3503 depth != 24 && depth != 32)
3504 goto graphic_error;
3505 } else if (*p == '\0') {
3506 depth = graphic_depth;
3507 } else {
3508 goto graphic_error;
3511 graphic_width = w;
3512 graphic_height = h;
3513 graphic_depth = depth;
3515 break;
3516 case QEMU_OPTION_echr:
3518 char *r;
3519 term_escape_char = strtol(optarg, &r, 0);
3520 if (r == optarg)
3521 printf("Bad argument to echr\n");
3522 break;
3524 case QEMU_OPTION_monitor:
3525 default_monitor = 0;
3526 if (strncmp(optarg, "none", 4)) {
3527 monitor_parse(optarg, "readline");
3529 break;
3530 case QEMU_OPTION_qmp:
3531 monitor_parse(optarg, "control");
3532 default_monitor = 0;
3533 break;
3534 case QEMU_OPTION_mon:
3535 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3536 if (!opts) {
3537 exit(1);
3539 default_monitor = 0;
3540 break;
3541 case QEMU_OPTION_chardev:
3542 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3543 if (!opts) {
3544 exit(1);
3546 break;
3547 case QEMU_OPTION_fsdev:
3548 olist = qemu_find_opts("fsdev");
3549 if (!olist) {
3550 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3551 exit(1);
3553 opts = qemu_opts_parse(olist, optarg, 1);
3554 if (!opts) {
3555 exit(1);
3557 break;
3558 case QEMU_OPTION_virtfs: {
3559 QemuOpts *fsdev;
3560 QemuOpts *device;
3561 const char *writeout, *sock_fd, *socket;
3563 olist = qemu_find_opts("virtfs");
3564 if (!olist) {
3565 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3566 exit(1);
3568 opts = qemu_opts_parse(olist, optarg, 1);
3569 if (!opts) {
3570 exit(1);
3573 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3574 qemu_opt_get(opts, "mount_tag") == NULL) {
3575 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3576 exit(1);
3578 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3579 qemu_opt_get(opts, "mount_tag"),
3580 1, NULL);
3581 if (!fsdev) {
3582 fprintf(stderr, "duplicate fsdev id: %s\n",
3583 qemu_opt_get(opts, "mount_tag"));
3584 exit(1);
3587 writeout = qemu_opt_get(opts, "writeout");
3588 if (writeout) {
3589 #ifdef CONFIG_SYNC_FILE_RANGE
3590 qemu_opt_set(fsdev, "writeout", writeout);
3591 #else
3592 fprintf(stderr, "writeout=immediate not supported on "
3593 "this platform\n");
3594 exit(1);
3595 #endif
3597 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3598 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3599 qemu_opt_set(fsdev, "security_model",
3600 qemu_opt_get(opts, "security_model"));
3601 socket = qemu_opt_get(opts, "socket");
3602 if (socket) {
3603 qemu_opt_set(fsdev, "socket", socket);
3605 sock_fd = qemu_opt_get(opts, "sock_fd");
3606 if (sock_fd) {
3607 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3610 qemu_opt_set_bool(fsdev, "readonly",
3611 qemu_opt_get_bool(opts, "readonly", 0));
3612 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3613 &error_abort);
3614 qemu_opt_set(device, "driver", "virtio-9p-pci");
3615 qemu_opt_set(device, "fsdev",
3616 qemu_opt_get(opts, "mount_tag"));
3617 qemu_opt_set(device, "mount_tag",
3618 qemu_opt_get(opts, "mount_tag"));
3619 break;
3621 case QEMU_OPTION_virtfs_synth: {
3622 QemuOpts *fsdev;
3623 QemuOpts *device;
3625 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3626 1, NULL);
3627 if (!fsdev) {
3628 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3629 exit(1);
3631 qemu_opt_set(fsdev, "fsdriver", "synth");
3633 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3634 &error_abort);
3635 qemu_opt_set(device, "driver", "virtio-9p-pci");
3636 qemu_opt_set(device, "fsdev", "v_synth");
3637 qemu_opt_set(device, "mount_tag", "v_synth");
3638 break;
3640 case QEMU_OPTION_serial:
3641 add_device_config(DEV_SERIAL, optarg);
3642 default_serial = 0;
3643 if (strncmp(optarg, "mon:", 4) == 0) {
3644 default_monitor = 0;
3646 break;
3647 case QEMU_OPTION_watchdog:
3648 if (watchdog) {
3649 fprintf(stderr,
3650 "qemu: only one watchdog option may be given\n");
3651 return 1;
3653 watchdog = optarg;
3654 break;
3655 case QEMU_OPTION_watchdog_action:
3656 if (select_watchdog_action(optarg) == -1) {
3657 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3658 exit(1);
3660 break;
3661 case QEMU_OPTION_virtiocon:
3662 add_device_config(DEV_VIRTCON, optarg);
3663 default_virtcon = 0;
3664 if (strncmp(optarg, "mon:", 4) == 0) {
3665 default_monitor = 0;
3667 break;
3668 case QEMU_OPTION_parallel:
3669 add_device_config(DEV_PARALLEL, optarg);
3670 default_parallel = 0;
3671 if (strncmp(optarg, "mon:", 4) == 0) {
3672 default_monitor = 0;
3674 break;
3675 case QEMU_OPTION_debugcon:
3676 add_device_config(DEV_DEBUGCON, optarg);
3677 break;
3678 case QEMU_OPTION_loadvm:
3679 loadvm = optarg;
3680 break;
3681 case QEMU_OPTION_full_screen:
3682 full_screen = 1;
3683 break;
3684 case QEMU_OPTION_no_frame:
3685 no_frame = 1;
3686 break;
3687 case QEMU_OPTION_alt_grab:
3688 alt_grab = 1;
3689 break;
3690 case QEMU_OPTION_ctrl_grab:
3691 ctrl_grab = 1;
3692 break;
3693 case QEMU_OPTION_no_quit:
3694 no_quit = 1;
3695 break;
3696 case QEMU_OPTION_sdl:
3697 #ifdef CONFIG_SDL
3698 display_type = DT_SDL;
3699 break;
3700 #else
3701 fprintf(stderr, "SDL support is disabled\n");
3702 exit(1);
3703 #endif
3704 case QEMU_OPTION_pidfile:
3705 pid_file = optarg;
3706 break;
3707 case QEMU_OPTION_win2k_hack:
3708 win2k_install_hack = 1;
3709 break;
3710 case QEMU_OPTION_rtc_td_hack: {
3711 static GlobalProperty slew_lost_ticks[] = {
3713 .driver = "mc146818rtc",
3714 .property = "lost_tick_policy",
3715 .value = "slew",
3717 { /* end of list */ }
3720 qdev_prop_register_global_list(slew_lost_ticks);
3721 break;
3723 case QEMU_OPTION_acpitable:
3724 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3725 if (!opts) {
3726 exit(1);
3728 do_acpitable_option(opts);
3729 break;
3730 case QEMU_OPTION_smbios:
3731 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3732 if (!opts) {
3733 exit(1);
3735 do_smbios_option(opts);
3736 break;
3737 case QEMU_OPTION_enable_kvm:
3738 olist = qemu_find_opts("machine");
3739 qemu_opts_parse(olist, "accel=kvm", 0);
3740 break;
3741 case QEMU_OPTION_machine:
3742 olist = qemu_find_opts("machine");
3743 opts = qemu_opts_parse(olist, optarg, 1);
3744 if (!opts) {
3745 exit(1);
3747 optarg = qemu_opt_get(opts, "type");
3748 if (optarg) {
3749 machine_class = machine_parse(optarg);
3751 break;
3752 case QEMU_OPTION_no_kvm:
3753 olist = qemu_find_opts("machine");
3754 qemu_opts_parse(olist, "accel=tcg", 0);
3755 break;
3756 case QEMU_OPTION_no_kvm_pit: {
3757 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3758 "separately.\n");
3759 break;
3761 case QEMU_OPTION_no_kvm_pit_reinjection: {
3762 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3764 .driver = "kvm-pit",
3765 .property = "lost_tick_policy",
3766 .value = "discard",
3768 { /* end of list */ }
3771 fprintf(stderr, "Warning: option deprecated, use "
3772 "lost_tick_policy property of kvm-pit instead.\n");
3773 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3774 break;
3776 case QEMU_OPTION_usb:
3777 olist = qemu_find_opts("machine");
3778 qemu_opts_parse(olist, "usb=on", 0);
3779 break;
3780 case QEMU_OPTION_usbdevice:
3781 olist = qemu_find_opts("machine");
3782 qemu_opts_parse(olist, "usb=on", 0);
3783 add_device_config(DEV_USB, optarg);
3784 break;
3785 case QEMU_OPTION_device:
3786 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3787 exit(1);
3789 break;
3790 case QEMU_OPTION_smp:
3791 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3792 exit(1);
3794 break;
3795 case QEMU_OPTION_vnc:
3796 #ifdef CONFIG_VNC
3797 display_remote++;
3798 vnc_display = optarg;
3799 #else
3800 fprintf(stderr, "VNC support is disabled\n");
3801 exit(1);
3802 #endif
3803 break;
3804 case QEMU_OPTION_no_acpi:
3805 acpi_enabled = 0;
3806 break;
3807 case QEMU_OPTION_no_hpet:
3808 no_hpet = 1;
3809 break;
3810 case QEMU_OPTION_balloon:
3811 if (balloon_parse(optarg) < 0) {
3812 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3813 exit(1);
3815 break;
3816 case QEMU_OPTION_no_reboot:
3817 no_reboot = 1;
3818 break;
3819 case QEMU_OPTION_no_shutdown:
3820 no_shutdown = 1;
3821 break;
3822 case QEMU_OPTION_show_cursor:
3823 cursor_hide = 0;
3824 break;
3825 case QEMU_OPTION_uuid:
3826 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3827 fprintf(stderr, "Fail to parse UUID string."
3828 " Wrong format.\n");
3829 exit(1);
3831 qemu_uuid_set = true;
3832 break;
3833 case QEMU_OPTION_option_rom:
3834 if (nb_option_roms >= MAX_OPTION_ROMS) {
3835 fprintf(stderr, "Too many option ROMs\n");
3836 exit(1);
3838 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3839 if (!opts) {
3840 exit(1);
3842 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3843 option_rom[nb_option_roms].bootindex =
3844 qemu_opt_get_number(opts, "bootindex", -1);
3845 if (!option_rom[nb_option_roms].name) {
3846 fprintf(stderr, "Option ROM file is not specified\n");
3847 exit(1);
3849 nb_option_roms++;
3850 break;
3851 case QEMU_OPTION_semihosting:
3852 semihosting_enabled = 1;
3853 break;
3854 case QEMU_OPTION_tdf:
3855 fprintf(stderr, "Warning: user space PIT time drift fix "
3856 "is no longer supported.\n");
3857 break;
3858 case QEMU_OPTION_name:
3859 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3860 if (!opts) {
3861 exit(1);
3863 break;
3864 case QEMU_OPTION_prom_env:
3865 if (nb_prom_envs >= MAX_PROM_ENVS) {
3866 fprintf(stderr, "Too many prom variables\n");
3867 exit(1);
3869 prom_envs[nb_prom_envs] = optarg;
3870 nb_prom_envs++;
3871 break;
3872 case QEMU_OPTION_old_param:
3873 old_param = 1;
3874 break;
3875 case QEMU_OPTION_clock:
3876 /* Clock options no longer exist. Keep this option for
3877 * backward compatibility.
3879 break;
3880 case QEMU_OPTION_startdate:
3881 configure_rtc_date_offset(optarg, 1);
3882 break;
3883 case QEMU_OPTION_rtc:
3884 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3885 if (!opts) {
3886 exit(1);
3888 configure_rtc(opts);
3889 break;
3890 case QEMU_OPTION_tb_size:
3891 tcg_tb_size = strtol(optarg, NULL, 0);
3892 if (tcg_tb_size < 0) {
3893 tcg_tb_size = 0;
3895 break;
3896 case QEMU_OPTION_icount:
3897 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3898 optarg, 1);
3899 if (!icount_opts) {
3900 exit(1);
3902 break;
3903 case QEMU_OPTION_incoming:
3904 incoming = optarg;
3905 runstate_set(RUN_STATE_INMIGRATE);
3906 break;
3907 case QEMU_OPTION_nodefaults:
3908 has_defaults = 0;
3909 break;
3910 case QEMU_OPTION_xen_domid:
3911 if (!(xen_available())) {
3912 printf("Option %s not supported for this target\n", popt->name);
3913 exit(1);
3915 xen_domid = atoi(optarg);
3916 break;
3917 case QEMU_OPTION_xen_create:
3918 if (!(xen_available())) {
3919 printf("Option %s not supported for this target\n", popt->name);
3920 exit(1);
3922 xen_mode = XEN_CREATE;
3923 break;
3924 case QEMU_OPTION_xen_attach:
3925 if (!(xen_available())) {
3926 printf("Option %s not supported for this target\n", popt->name);
3927 exit(1);
3929 xen_mode = XEN_ATTACH;
3930 break;
3931 case QEMU_OPTION_trace:
3933 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3934 if (!opts) {
3935 exit(1);
3937 trace_events = qemu_opt_get(opts, "events");
3938 trace_file = qemu_opt_get(opts, "file");
3939 break;
3941 case QEMU_OPTION_trace_unassigned:
3942 trace_unassigned = true;
3943 break;
3944 case QEMU_OPTION_readconfig:
3946 int ret = qemu_read_config_file(optarg);
3947 if (ret < 0) {
3948 fprintf(stderr, "read config %s: %s\n", optarg,
3949 strerror(-ret));
3950 exit(1);
3952 break;
3954 case QEMU_OPTION_spice:
3955 olist = qemu_find_opts("spice");
3956 if (!olist) {
3957 fprintf(stderr, "spice is not supported by this qemu build.\n");
3958 exit(1);
3960 opts = qemu_opts_parse(olist, optarg, 0);
3961 if (!opts) {
3962 exit(1);
3964 display_remote++;
3965 break;
3966 case QEMU_OPTION_writeconfig:
3968 FILE *fp;
3969 if (strcmp(optarg, "-") == 0) {
3970 fp = stdout;
3971 } else {
3972 fp = fopen(optarg, "w");
3973 if (fp == NULL) {
3974 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3975 exit(1);
3978 qemu_config_write(fp);
3979 if (fp != stdout) {
3980 fclose(fp);
3982 break;
3984 case QEMU_OPTION_qtest:
3985 qtest_chrdev = optarg;
3986 break;
3987 case QEMU_OPTION_qtest_log:
3988 qtest_log = optarg;
3989 break;
3990 case QEMU_OPTION_sandbox:
3991 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3992 if (!opts) {
3993 exit(1);
3995 break;
3996 case QEMU_OPTION_add_fd:
3997 #ifndef _WIN32
3998 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3999 if (!opts) {
4000 exit(1);
4002 #else
4003 error_report("File descriptor passing is disabled on this "
4004 "platform");
4005 exit(1);
4006 #endif
4007 break;
4008 case QEMU_OPTION_object:
4009 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
4010 if (!opts) {
4011 exit(1);
4013 break;
4014 case QEMU_OPTION_realtime:
4015 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
4016 if (!opts) {
4017 exit(1);
4019 configure_realtime(opts);
4020 break;
4021 case QEMU_OPTION_msg:
4022 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
4023 if (!opts) {
4024 exit(1);
4026 configure_msg(opts);
4027 break;
4028 case QEMU_OPTION_dump_vmstate:
4029 vmstate_dump_file = fopen(optarg, "w");
4030 if (vmstate_dump_file == NULL) {
4031 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
4032 exit(1);
4034 break;
4035 default:
4036 os_parse_cmd_args(popt->index, optarg);
4040 loc_set_none();
4042 os_daemonize();
4044 if (qemu_init_main_loop()) {
4045 fprintf(stderr, "qemu_init_main_loop failed\n");
4046 exit(1);
4049 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
4050 exit(1);
4053 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
4054 exit(1);
4057 #ifndef _WIN32
4058 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
4059 exit(1);
4062 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
4063 exit(1);
4065 #endif
4067 if (machine_class == NULL) {
4068 fprintf(stderr, "No machine specified, and there is no default.\n"
4069 "Use -machine help to list supported machines!\n");
4070 exit(1);
4073 current_machine = MACHINE(object_new(object_class_get_name(
4074 OBJECT_CLASS(machine_class))));
4075 object_property_add_child(object_get_root(), "machine",
4076 OBJECT(current_machine), &error_abort);
4077 cpu_exec_init_all();
4079 if (machine_class->hw_version) {
4080 qemu_set_version(machine_class->hw_version);
4083 if (qemu_opts_foreach(qemu_find_opts("object"),
4084 object_create, NULL, 0) != 0) {
4085 exit(1);
4088 /* Init CPU def lists, based on config
4089 * - Must be called after all the qemu_read_config_file() calls
4090 * - Must be called before list_cpus()
4091 * - Must be called before machine->init()
4093 cpudef_init();
4095 if (cpu_model && is_help_option(cpu_model)) {
4096 list_cpus(stdout, &fprintf, cpu_model);
4097 exit(0);
4100 /* Open the logfile at this point, if necessary. We can't open the logfile
4101 * when encountering either of the logging options (-d or -D) because the
4102 * other one may be encountered later on the command line, changing the
4103 * location or level of logging.
4105 if (log_mask) {
4106 int mask;
4107 if (log_file) {
4108 qemu_set_log_filename(log_file);
4111 mask = qemu_str_to_log_mask(log_mask);
4112 if (!mask) {
4113 qemu_print_log_usage(stdout);
4114 exit(1);
4116 qemu_set_log(mask);
4119 if (!is_daemonized()) {
4120 if (!trace_init_backends(trace_events, trace_file)) {
4121 exit(1);
4125 /* If no data_dir is specified then try to find it relative to the
4126 executable path. */
4127 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4128 data_dir[data_dir_idx] = os_find_datadir();
4129 if (data_dir[data_dir_idx] != NULL) {
4130 data_dir_idx++;
4133 /* If all else fails use the install path specified when building. */
4134 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4135 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4138 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4140 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4141 if (smp_cpus > machine_class->max_cpus) {
4142 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4143 "supported by machine `%s' (%d)\n", smp_cpus,
4144 machine_class->name, machine_class->max_cpus);
4145 exit(1);
4149 * Get the default machine options from the machine if it is not already
4150 * specified either by the configuration file or by the command line.
4152 if (machine_class->default_machine_opts) {
4153 qemu_opts_set_defaults(qemu_find_opts("machine"),
4154 machine_class->default_machine_opts, 0);
4157 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4158 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4160 if (!vga_model && !default_vga) {
4161 vga_interface_type = VGA_DEVICE;
4163 if (!has_defaults || machine_class->no_serial) {
4164 default_serial = 0;
4166 if (!has_defaults || machine_class->no_parallel) {
4167 default_parallel = 0;
4169 if (!has_defaults || !machine_class->use_virtcon) {
4170 default_virtcon = 0;
4172 if (!has_defaults || !machine_class->use_sclp) {
4173 default_sclp = 0;
4175 if (!has_defaults || machine_class->no_floppy) {
4176 default_floppy = 0;
4178 if (!has_defaults || machine_class->no_cdrom) {
4179 default_cdrom = 0;
4181 if (!has_defaults || machine_class->no_sdcard) {
4182 default_sdcard = 0;
4184 if (!has_defaults) {
4185 default_monitor = 0;
4186 default_net = 0;
4187 default_vga = 0;
4190 if (is_daemonized()) {
4191 /* According to documentation and historically, -nographic redirects
4192 * serial port, parallel port and monitor to stdio, which does not work
4193 * with -daemonize. We can redirect these to null instead, but since
4194 * -nographic is legacy, let's just error out.
4195 * We disallow -nographic only if all other ports are not redirected
4196 * explicitly, to not break existing legacy setups which uses
4197 * -nographic _and_ redirects all ports explicitly - this is valid
4198 * usage, -nographic is just a no-op in this case.
4200 if (display_type == DT_NOGRAPHIC
4201 && (default_parallel || default_serial
4202 || default_monitor || default_virtcon)) {
4203 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4204 exit(1);
4206 #ifdef CONFIG_CURSES
4207 if (display_type == DT_CURSES) {
4208 fprintf(stderr, "curses display can not be used with -daemonize\n");
4209 exit(1);
4211 #endif
4214 if (display_type == DT_NOGRAPHIC) {
4215 if (default_parallel)
4216 add_device_config(DEV_PARALLEL, "null");
4217 if (default_serial && default_monitor) {
4218 add_device_config(DEV_SERIAL, "mon:stdio");
4219 } else if (default_virtcon && default_monitor) {
4220 add_device_config(DEV_VIRTCON, "mon:stdio");
4221 } else if (default_sclp && default_monitor) {
4222 add_device_config(DEV_SCLP, "mon:stdio");
4223 } else {
4224 if (default_serial)
4225 add_device_config(DEV_SERIAL, "stdio");
4226 if (default_virtcon)
4227 add_device_config(DEV_VIRTCON, "stdio");
4228 if (default_sclp) {
4229 add_device_config(DEV_SCLP, "stdio");
4231 if (default_monitor)
4232 monitor_parse("stdio", "readline");
4234 } else {
4235 if (default_serial)
4236 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4237 if (default_parallel)
4238 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4239 if (default_monitor)
4240 monitor_parse("vc:80Cx24C", "readline");
4241 if (default_virtcon)
4242 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4243 if (default_sclp) {
4244 add_device_config(DEV_SCLP, "vc:80Cx24C");
4248 if (display_type == DT_DEFAULT && !display_remote) {
4249 #if defined(CONFIG_GTK)
4250 display_type = DT_GTK;
4251 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4252 display_type = DT_SDL;
4253 #elif defined(CONFIG_VNC)
4254 vnc_display = "localhost:0,to=99";
4255 show_vnc_port = 1;
4256 #else
4257 display_type = DT_NONE;
4258 #endif
4261 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4262 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4263 "for SDL, ignoring option\n");
4265 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4266 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4267 "ignoring option\n");
4270 #if defined(CONFIG_GTK)
4271 if (display_type == DT_GTK) {
4272 early_gtk_display_init();
4274 #endif
4276 socket_init();
4278 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4279 exit(1);
4280 #ifdef CONFIG_VIRTFS
4281 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4282 exit(1);
4284 #endif
4286 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4287 os_pidfile_error();
4288 exit(1);
4291 /* store value for the future use */
4292 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4294 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4295 != 0) {
4296 exit(0);
4299 machine_opts = qemu_get_machine_opts();
4300 if (qemu_opt_foreach(machine_opts, object_set_property, current_machine,
4301 1) < 0) {
4302 object_unref(OBJECT(current_machine));
4303 exit(1);
4306 configure_accelerator(machine_class);
4308 if (qtest_chrdev) {
4309 Error *local_err = NULL;
4310 qtest_init(qtest_chrdev, qtest_log, &local_err);
4311 if (local_err) {
4312 error_report("%s", error_get_pretty(local_err));
4313 error_free(local_err);
4314 exit(1);
4318 machine_opts = qemu_get_machine_opts();
4319 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4320 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4321 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4322 bios_name = qemu_opt_get(machine_opts, "firmware");
4324 boot_order = machine_class->default_boot_order;
4325 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4326 if (opts) {
4327 char *normal_boot_order;
4328 const char *order, *once;
4330 order = qemu_opt_get(opts, "order");
4331 if (order) {
4332 validate_bootdevices(order);
4333 boot_order = order;
4336 once = qemu_opt_get(opts, "once");
4337 if (once) {
4338 validate_bootdevices(once);
4339 normal_boot_order = g_strdup(boot_order);
4340 boot_order = once;
4341 qemu_register_reset(restore_boot_order, normal_boot_order);
4344 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4345 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4348 if (!kernel_cmdline) {
4349 kernel_cmdline = "";
4350 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4353 linux_boot = (kernel_filename != NULL);
4355 if (!linux_boot && *kernel_cmdline != '\0') {
4356 fprintf(stderr, "-append only allowed with -kernel option\n");
4357 exit(1);
4360 if (!linux_boot && initrd_filename != NULL) {
4361 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4362 exit(1);
4365 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4366 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4367 exit(1);
4370 os_set_line_buffering();
4372 qemu_init_cpu_loop();
4373 qemu_mutex_lock_iothread();
4375 #ifdef CONFIG_SPICE
4376 /* spice needs the timers to be initialized by this point */
4377 qemu_spice_init();
4378 #endif
4380 if (icount_opts) {
4381 if (kvm_enabled() || xen_enabled()) {
4382 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4383 exit(1);
4385 configure_icount(icount_opts, &error_abort);
4386 qemu_opts_del(icount_opts);
4389 /* clean up network at qemu process termination */
4390 atexit(&net_cleanup);
4392 if (net_init_clients() < 0) {
4393 exit(1);
4396 #ifdef CONFIG_TPM
4397 if (tpm_init() < 0) {
4398 exit(1);
4400 #endif
4402 /* init the bluetooth world */
4403 if (foreach_device_config(DEV_BT, bt_parse))
4404 exit(1);
4406 if (!xen_enabled()) {
4407 /* On 32-bit hosts, QEMU is limited by virtual address space */
4408 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4409 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4410 exit(1);
4414 blk_mig_init();
4415 ram_mig_init();
4417 /* open the virtual block devices */
4418 if (snapshot)
4419 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4420 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4421 &machine_class->block_default_type, 1) != 0) {
4422 exit(1);
4425 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4426 CDROM_OPTS);
4427 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4428 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4430 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4431 NULL, 1) != 0) {
4432 exit(1);
4435 set_numa_nodes();
4437 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4438 exit(1);
4441 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4442 exit(1);
4443 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4444 exit(1);
4445 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4446 exit(1);
4447 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4448 exit(1);
4450 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4451 exit(1);
4453 /* If no default VGA is requested, the default is "none". */
4454 if (default_vga) {
4455 if (cirrus_vga_available()) {
4456 vga_model = "cirrus";
4457 } else if (vga_available()) {
4458 vga_model = "std";
4461 if (vga_model) {
4462 select_vgahw(vga_model);
4465 if (watchdog) {
4466 i = select_watchdog(watchdog);
4467 if (i > 0)
4468 exit (i == 1 ? 1 : 0);
4471 if (machine_class->compat_props) {
4472 qdev_prop_register_global_list(machine_class->compat_props);
4474 qemu_add_globals();
4476 qdev_machine_init();
4478 current_machine->ram_size = ram_size;
4479 current_machine->maxram_size = maxram_size;
4480 current_machine->ram_slots = ram_slots;
4481 current_machine->boot_order = boot_order;
4482 current_machine->cpu_model = cpu_model;
4484 machine_class->init(current_machine);
4486 audio_init();
4488 cpu_synchronize_all_post_init();
4490 set_numa_modes();
4492 /* init USB devices */
4493 if (usb_enabled(false)) {
4494 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4495 exit(1);
4498 /* init generic devices */
4499 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4500 exit(1);
4502 net_check_clients();
4504 ds = init_displaystate();
4506 /* init local displays */
4507 switch (display_type) {
4508 case DT_NOGRAPHIC:
4509 (void)ds; /* avoid warning if no display is configured */
4510 break;
4511 #if defined(CONFIG_CURSES)
4512 case DT_CURSES:
4513 curses_display_init(ds, full_screen);
4514 break;
4515 #endif
4516 #if defined(CONFIG_SDL)
4517 case DT_SDL:
4518 sdl_display_init(ds, full_screen, no_frame);
4519 break;
4520 #elif defined(CONFIG_COCOA)
4521 case DT_SDL:
4522 cocoa_display_init(ds, full_screen);
4523 break;
4524 #endif
4525 #if defined(CONFIG_GTK)
4526 case DT_GTK:
4527 gtk_display_init(ds, full_screen, grab_on_hover);
4528 break;
4529 #endif
4530 default:
4531 break;
4534 /* must be after terminal init, SDL library changes signal handlers */
4535 os_setup_signal_handling();
4537 #ifdef CONFIG_VNC
4538 /* init remote displays */
4539 if (vnc_display) {
4540 Error *local_err = NULL;
4541 vnc_display_init(ds);
4542 vnc_display_open(ds, vnc_display, &local_err);
4543 if (local_err != NULL) {
4544 error_report("Failed to start VNC server on `%s': %s",
4545 vnc_display, error_get_pretty(local_err));
4546 error_free(local_err);
4547 exit(1);
4550 if (show_vnc_port) {
4551 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4554 #endif
4555 #ifdef CONFIG_SPICE
4556 if (using_spice) {
4557 qemu_spice_display_init();
4559 #endif
4561 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4562 exit(1);
4565 qdev_machine_creation_done();
4567 if (rom_load_all() != 0) {
4568 fprintf(stderr, "rom loading failed\n");
4569 exit(1);
4572 /* TODO: once all bus devices are qdevified, this should be done
4573 * when bus is created by qdev.c */
4574 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4575 qemu_run_machine_init_done_notifiers();
4577 /* Done notifiers can load ROMs */
4578 rom_load_done();
4580 qemu_system_reset(VMRESET_SILENT);
4581 if (loadvm) {
4582 if (load_vmstate(loadvm) < 0) {
4583 autostart = 0;
4587 qdev_prop_check_global();
4588 if (vmstate_dump_file) {
4589 /* dump and exit */
4590 dump_vmstate_json_to_file(vmstate_dump_file);
4591 return 0;
4594 if (incoming) {
4595 Error *local_err = NULL;
4596 qemu_start_incoming_migration(incoming, &local_err);
4597 if (local_err) {
4598 error_report("-incoming %s: %s", incoming,
4599 error_get_pretty(local_err));
4600 error_free(local_err);
4601 exit(1);
4603 } else if (autostart) {
4604 vm_start();
4607 os_setup_post();
4609 if (is_daemonized()) {
4610 if (!trace_init_backends(trace_events, trace_file)) {
4611 exit(1);
4615 main_loop();
4616 bdrv_close_all();
4617 pause_all_vcpus();
4618 res_free();
4619 #ifdef CONFIG_TPM
4620 tpm_cleanup();
4621 #endif
4623 return 0;