tpm: Simplify creation of cancel path
[qemu/cris-port.git] / vl.c
blob6caa5f4272e318af725e23f0dc252717f5d626c1
1 /*
2 * QEMU System Emulator
4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31 #include "qemu/bitmap.h"
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
36 #ifndef _WIN32
37 #include <libgen.h>
38 #include <sys/times.h>
39 #include <sys/wait.h>
40 #include <termios.h>
41 #include <sys/mman.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <net/if.h>
47 #include <arpa/inet.h>
48 #include <dirent.h>
49 #include <netdb.h>
50 #include <sys/select.h>
52 #ifdef CONFIG_BSD
53 #include <sys/stat.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <malloc.h>
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
65 #endif
67 #ifdef CONFIG_SECCOMP
68 #include "sysemu/seccomp.h"
69 #endif
71 #ifdef __sun__
72 #include <sys/stat.h>
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
81 #include <net/if.h>
82 #include <syslog.h>
83 #include <stropts.h>
84 #endif
85 #endif
86 #endif
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
102 return qemu_main(argc, argv, NULL);
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
114 #include <glib.h>
116 #include "hw/hw.h"
117 #include "hw/boards.h"
118 #include "hw/usb.h"
119 #include "hw/pcmcia.h"
120 #include "hw/i386/pc.h"
121 #include "hw/isa/isa.h"
122 #include "hw/bt.h"
123 #include "sysemu/watchdog.h"
124 #include "hw/i386/smbios.h"
125 #include "hw/xen/xen.h"
126 #include "hw/qdev.h"
127 #include "hw/loader.h"
128 #include "monitor/qdev.h"
129 #include "sysemu/bt.h"
130 #include "net/net.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "sysemu/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block/block.h"
141 #include "migration/block.h"
142 #include "sysemu/tpm.h"
143 #include "sysemu/dma.h"
144 #include "audio/audio.h"
145 #include "migration/migration.h"
146 #include "sysemu/kvm.h"
147 #include "qapi/qmp/qjson.h"
148 #include "qemu/option.h"
149 #include "qemu/config-file.h"
150 #include "qemu-options.h"
151 #include "qmp-commands.h"
152 #include "qemu/main-loop.h"
153 #ifdef CONFIG_VIRTFS
154 #include "fsdev/qemu-fsdev.h"
155 #endif
156 #include "sysemu/qtest.h"
158 #include "disas/disas.h"
160 #include "qemu/sockets.h"
162 #include "slirp/libslirp.h"
164 #include "trace.h"
165 #include "trace/control.h"
166 #include "qemu/queue.h"
167 #include "sysemu/cpus.h"
168 #include "sysemu/arch_init.h"
169 #include "qemu/osdep.h"
171 #include "ui/qemu-spice.h"
172 #include "qapi/string-input-visitor.h"
174 //#define DEBUG_NET
175 //#define DEBUG_SLIRP
177 #define DEFAULT_RAM_SIZE 128
179 #define MAX_VIRTIO_CONSOLES 1
180 #define MAX_SCLP_CONSOLES 1
182 static const char *data_dir[16];
183 static int data_dir_idx;
184 const char *bios_name = NULL;
185 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
186 DisplayType display_type = DT_DEFAULT;
187 static int display_remote;
188 const char* keyboard_layout = NULL;
189 ram_addr_t ram_size;
190 const char *mem_path = NULL;
191 #ifdef MAP_POPULATE
192 int mem_prealloc = 0; /* force preallocation of physical target memory */
193 #endif
194 int nb_nics;
195 NICInfo nd_table[MAX_NICS];
196 int autostart;
197 static int rtc_utc = 1;
198 static int rtc_date_offset = -1; /* -1 means no change */
199 QEMUClock *rtc_clock;
200 int vga_interface_type = VGA_NONE;
201 static int full_screen = 0;
202 #ifdef CONFIG_SDL
203 static int no_frame = 0;
204 #endif
205 int no_quit = 0;
206 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
207 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
208 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
209 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
210 int win2k_install_hack = 0;
211 int singlestep = 0;
212 int smp_cpus = 1;
213 int max_cpus = 0;
214 int smp_cores = 1;
215 int smp_threads = 1;
216 #ifdef CONFIG_VNC
217 const char *vnc_display;
218 #endif
219 int acpi_enabled = 1;
220 int no_hpet = 0;
221 int fd_bootchk = 1;
222 static int no_reboot;
223 int no_shutdown = 0;
224 int cursor_hide = 1;
225 int graphic_rotate = 0;
226 const char *watchdog;
227 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
228 int nb_option_roms;
229 int semihosting_enabled = 0;
230 int old_param = 0;
231 const char *qemu_name;
232 int alt_grab = 0;
233 int ctrl_grab = 0;
234 unsigned int nb_prom_envs = 0;
235 const char *prom_envs[MAX_PROM_ENVS];
236 int boot_menu;
237 bool boot_strict;
238 uint8_t *boot_splash_filedata;
239 size_t boot_splash_filedata_size;
240 uint8_t qemu_extra_params_fw[2];
242 typedef struct FWBootEntry FWBootEntry;
244 struct FWBootEntry {
245 QTAILQ_ENTRY(FWBootEntry) link;
246 int32_t bootindex;
247 DeviceState *dev;
248 char *suffix;
251 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
252 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
254 int nb_numa_nodes;
255 uint64_t node_mem[MAX_NODES];
256 unsigned long *node_cpumask[MAX_NODES];
258 uint8_t qemu_uuid[16];
260 static QEMUBootSetHandler *boot_set_handler;
261 static void *boot_set_opaque;
263 static NotifierList exit_notifiers =
264 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
266 static NotifierList machine_init_done_notifiers =
267 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
269 static bool tcg_allowed = true;
270 bool kvm_allowed;
271 bool xen_allowed;
272 uint32_t xen_domid;
273 enum xen_mode xen_mode = XEN_EMULATE;
274 static int tcg_tb_size;
276 static int default_serial = 1;
277 static int default_parallel = 1;
278 static int default_virtcon = 1;
279 static int default_sclp = 1;
280 static int default_monitor = 1;
281 static int default_floppy = 1;
282 static int default_cdrom = 1;
283 static int default_sdcard = 1;
284 static int default_vga = 1;
286 static struct {
287 const char *driver;
288 int *flag;
289 } default_list[] = {
290 { .driver = "isa-serial", .flag = &default_serial },
291 { .driver = "isa-parallel", .flag = &default_parallel },
292 { .driver = "isa-fdc", .flag = &default_floppy },
293 { .driver = "ide-cd", .flag = &default_cdrom },
294 { .driver = "ide-hd", .flag = &default_cdrom },
295 { .driver = "ide-drive", .flag = &default_cdrom },
296 { .driver = "scsi-cd", .flag = &default_cdrom },
297 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
298 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
299 { .driver = "virtio-serial", .flag = &default_virtcon },
300 { .driver = "VGA", .flag = &default_vga },
301 { .driver = "isa-vga", .flag = &default_vga },
302 { .driver = "cirrus-vga", .flag = &default_vga },
303 { .driver = "isa-cirrus-vga", .flag = &default_vga },
304 { .driver = "vmware-svga", .flag = &default_vga },
305 { .driver = "qxl-vga", .flag = &default_vga },
308 static QemuOptsList qemu_rtc_opts = {
309 .name = "rtc",
310 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
311 .desc = {
313 .name = "base",
314 .type = QEMU_OPT_STRING,
316 .name = "clock",
317 .type = QEMU_OPT_STRING,
319 .name = "driftfix",
320 .type = QEMU_OPT_STRING,
322 { /* end of list */ }
326 static QemuOptsList qemu_sandbox_opts = {
327 .name = "sandbox",
328 .implied_opt_name = "enable",
329 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
330 .desc = {
332 .name = "enable",
333 .type = QEMU_OPT_BOOL,
335 { /* end of list */ }
339 static QemuOptsList qemu_trace_opts = {
340 .name = "trace",
341 .implied_opt_name = "trace",
342 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
343 .desc = {
345 .name = "events",
346 .type = QEMU_OPT_STRING,
348 .name = "file",
349 .type = QEMU_OPT_STRING,
351 { /* end of list */ }
355 static QemuOptsList qemu_option_rom_opts = {
356 .name = "option-rom",
357 .implied_opt_name = "romfile",
358 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
359 .desc = {
361 .name = "bootindex",
362 .type = QEMU_OPT_NUMBER,
363 }, {
364 .name = "romfile",
365 .type = QEMU_OPT_STRING,
367 { /* end of list */ }
371 static QemuOptsList qemu_machine_opts = {
372 .name = "machine",
373 .implied_opt_name = "type",
374 .merge_lists = true,
375 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
376 .desc = {
378 .name = "type",
379 .type = QEMU_OPT_STRING,
380 .help = "emulated machine"
381 }, {
382 .name = "accel",
383 .type = QEMU_OPT_STRING,
384 .help = "accelerator list",
385 }, {
386 .name = "kernel_irqchip",
387 .type = QEMU_OPT_BOOL,
388 .help = "use KVM in-kernel irqchip",
389 }, {
390 .name = "kvm_shadow_mem",
391 .type = QEMU_OPT_SIZE,
392 .help = "KVM shadow MMU size",
393 }, {
394 .name = "kernel",
395 .type = QEMU_OPT_STRING,
396 .help = "Linux kernel image file",
397 }, {
398 .name = "initrd",
399 .type = QEMU_OPT_STRING,
400 .help = "Linux initial ramdisk file",
401 }, {
402 .name = "append",
403 .type = QEMU_OPT_STRING,
404 .help = "Linux kernel command line",
405 }, {
406 .name = "dtb",
407 .type = QEMU_OPT_STRING,
408 .help = "Linux kernel device tree file",
409 }, {
410 .name = "dumpdtb",
411 .type = QEMU_OPT_STRING,
412 .help = "Dump current dtb to a file and quit",
413 }, {
414 .name = "phandle_start",
415 .type = QEMU_OPT_STRING,
416 .help = "The first phandle ID we may generate dynamically",
417 }, {
418 .name = "dt_compatible",
419 .type = QEMU_OPT_STRING,
420 .help = "Overrides the \"compatible\" property of the dt root node",
421 }, {
422 .name = "dump-guest-core",
423 .type = QEMU_OPT_BOOL,
424 .help = "Include guest memory in a core dump",
425 }, {
426 .name = "mem-merge",
427 .type = QEMU_OPT_BOOL,
428 .help = "enable/disable memory merge support",
430 .name = "usb",
431 .type = QEMU_OPT_BOOL,
432 .help = "Set on/off to enable/disable usb",
434 { /* End of list */ }
438 static QemuOptsList qemu_boot_opts = {
439 .name = "boot-opts",
440 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
441 .desc = {
442 /* the three names below are not used now */
444 .name = "order",
445 .type = QEMU_OPT_STRING,
446 }, {
447 .name = "once",
448 .type = QEMU_OPT_STRING,
449 }, {
450 .name = "menu",
451 .type = QEMU_OPT_STRING,
452 /* following are really used */
453 }, {
454 .name = "splash",
455 .type = QEMU_OPT_STRING,
456 }, {
457 .name = "splash-time",
458 .type = QEMU_OPT_STRING,
459 }, {
460 .name = "reboot-timeout",
461 .type = QEMU_OPT_STRING,
462 }, {
463 .name = "strict",
464 .type = QEMU_OPT_STRING,
466 { /*End of list */ }
470 static QemuOptsList qemu_add_fd_opts = {
471 .name = "add-fd",
472 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
473 .desc = {
475 .name = "fd",
476 .type = QEMU_OPT_NUMBER,
477 .help = "file descriptor of which a duplicate is added to fd set",
479 .name = "set",
480 .type = QEMU_OPT_NUMBER,
481 .help = "ID of the fd set to add fd to",
483 .name = "opaque",
484 .type = QEMU_OPT_STRING,
485 .help = "free-form string used to describe fd",
487 { /* end of list */ }
491 static QemuOptsList qemu_object_opts = {
492 .name = "object",
493 .implied_opt_name = "qom-type",
494 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
495 .desc = {
500 static QemuOptsList qemu_tpmdev_opts = {
501 .name = "tpmdev",
502 .implied_opt_name = "type",
503 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
504 .desc = {
506 .name = "type",
507 .type = QEMU_OPT_STRING,
508 .help = "Type of TPM backend",
511 .name = "cancel-path",
512 .type = QEMU_OPT_STRING,
513 .help = "Sysfs file entry for canceling TPM commands",
516 .name = "path",
517 .type = QEMU_OPT_STRING,
518 .help = "Path to TPM device on the host",
520 { /* end of list */ }
524 static QemuOptsList qemu_realtime_opts = {
525 .name = "realtime",
526 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
527 .desc = {
529 .name = "mlock",
530 .type = QEMU_OPT_BOOL,
532 { /* end of list */ }
536 const char *qemu_get_vm_name(void)
538 return qemu_name;
541 static void res_free(void)
543 if (boot_splash_filedata != NULL) {
544 g_free(boot_splash_filedata);
545 boot_splash_filedata = NULL;
549 static int default_driver_check(QemuOpts *opts, void *opaque)
551 const char *driver = qemu_opt_get(opts, "driver");
552 int i;
554 if (!driver)
555 return 0;
556 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
557 if (strcmp(default_list[i].driver, driver) != 0)
558 continue;
559 *(default_list[i].flag) = 0;
561 return 0;
564 /***********************************************************/
565 /* QEMU state */
567 static RunState current_run_state = RUN_STATE_PRELAUNCH;
569 typedef struct {
570 RunState from;
571 RunState to;
572 } RunStateTransition;
574 static const RunStateTransition runstate_transitions_def[] = {
575 /* from -> to */
576 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
578 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
579 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
581 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
582 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
585 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
587 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
588 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
590 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
591 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
593 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
594 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
595 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
597 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
598 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
600 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
602 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
603 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
604 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
605 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
606 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
608 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
609 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
610 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
612 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
614 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
615 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
617 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
618 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
619 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
620 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
622 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
623 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_MAX, RUN_STATE_MAX },
628 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
630 bool runstate_check(RunState state)
632 return current_run_state == state;
635 static void runstate_init(void)
637 const RunStateTransition *p;
639 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
641 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
642 runstate_valid_transitions[p->from][p->to] = true;
646 /* This function will abort() on invalid state transitions */
647 void runstate_set(RunState new_state)
649 assert(new_state < RUN_STATE_MAX);
651 if (!runstate_valid_transitions[current_run_state][new_state]) {
652 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
653 RunState_lookup[current_run_state],
654 RunState_lookup[new_state]);
655 abort();
657 trace_runstate_set(new_state);
658 current_run_state = new_state;
661 int runstate_is_running(void)
663 return runstate_check(RUN_STATE_RUNNING);
666 StatusInfo *qmp_query_status(Error **errp)
668 StatusInfo *info = g_malloc0(sizeof(*info));
670 info->running = runstate_is_running();
671 info->singlestep = singlestep;
672 info->status = current_run_state;
674 return info;
677 /***********************************************************/
678 /* real time host monotonic timer */
680 /***********************************************************/
681 /* host time/date access */
682 void qemu_get_timedate(struct tm *tm, int offset)
684 time_t ti;
686 time(&ti);
687 ti += offset;
688 if (rtc_date_offset == -1) {
689 if (rtc_utc)
690 gmtime_r(&ti, tm);
691 else
692 localtime_r(&ti, tm);
693 } else {
694 ti -= rtc_date_offset;
695 gmtime_r(&ti, tm);
699 int qemu_timedate_diff(struct tm *tm)
701 time_t seconds;
703 if (rtc_date_offset == -1)
704 if (rtc_utc)
705 seconds = mktimegm(tm);
706 else {
707 struct tm tmp = *tm;
708 tmp.tm_isdst = -1; /* use timezone to figure it out */
709 seconds = mktime(&tmp);
711 else
712 seconds = mktimegm(tm) + rtc_date_offset;
714 return seconds - time(NULL);
717 void rtc_change_mon_event(struct tm *tm)
719 QObject *data;
721 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
722 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
723 qobject_decref(data);
726 static void configure_rtc_date_offset(const char *startdate, int legacy)
728 time_t rtc_start_date;
729 struct tm tm;
731 if (!strcmp(startdate, "now") && legacy) {
732 rtc_date_offset = -1;
733 } else {
734 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
735 &tm.tm_year,
736 &tm.tm_mon,
737 &tm.tm_mday,
738 &tm.tm_hour,
739 &tm.tm_min,
740 &tm.tm_sec) == 6) {
741 /* OK */
742 } else if (sscanf(startdate, "%d-%d-%d",
743 &tm.tm_year,
744 &tm.tm_mon,
745 &tm.tm_mday) == 3) {
746 tm.tm_hour = 0;
747 tm.tm_min = 0;
748 tm.tm_sec = 0;
749 } else {
750 goto date_fail;
752 tm.tm_year -= 1900;
753 tm.tm_mon--;
754 rtc_start_date = mktimegm(&tm);
755 if (rtc_start_date == -1) {
756 date_fail:
757 fprintf(stderr, "Invalid date format. Valid formats are:\n"
758 "'2006-06-17T16:01:21' or '2006-06-17'\n");
759 exit(1);
761 rtc_date_offset = time(NULL) - rtc_start_date;
765 static void configure_rtc(QemuOpts *opts)
767 const char *value;
769 value = qemu_opt_get(opts, "base");
770 if (value) {
771 if (!strcmp(value, "utc")) {
772 rtc_utc = 1;
773 } else if (!strcmp(value, "localtime")) {
774 rtc_utc = 0;
775 } else {
776 configure_rtc_date_offset(value, 0);
779 value = qemu_opt_get(opts, "clock");
780 if (value) {
781 if (!strcmp(value, "host")) {
782 rtc_clock = host_clock;
783 } else if (!strcmp(value, "rt")) {
784 rtc_clock = rt_clock;
785 } else if (!strcmp(value, "vm")) {
786 rtc_clock = vm_clock;
787 } else {
788 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
789 exit(1);
792 value = qemu_opt_get(opts, "driftfix");
793 if (value) {
794 if (!strcmp(value, "slew")) {
795 static GlobalProperty slew_lost_ticks[] = {
797 .driver = "mc146818rtc",
798 .property = "lost_tick_policy",
799 .value = "slew",
801 { /* end of list */ }
804 qdev_prop_register_global_list(slew_lost_ticks);
805 } else if (!strcmp(value, "none")) {
806 /* discard is default */
807 } else {
808 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
809 exit(1);
814 /***********************************************************/
815 /* Bluetooth support */
816 static int nb_hcis;
817 static int cur_hci;
818 static struct HCIInfo *hci_table[MAX_NICS];
820 static struct bt_vlan_s {
821 struct bt_scatternet_s net;
822 int id;
823 struct bt_vlan_s *next;
824 } *first_bt_vlan;
826 /* find or alloc a new bluetooth "VLAN" */
827 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
829 struct bt_vlan_s **pvlan, *vlan;
830 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
831 if (vlan->id == id)
832 return &vlan->net;
834 vlan = g_malloc0(sizeof(struct bt_vlan_s));
835 vlan->id = id;
836 pvlan = &first_bt_vlan;
837 while (*pvlan != NULL)
838 pvlan = &(*pvlan)->next;
839 *pvlan = vlan;
840 return &vlan->net;
843 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
847 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
849 return -ENOTSUP;
852 static struct HCIInfo null_hci = {
853 .cmd_send = null_hci_send,
854 .sco_send = null_hci_send,
855 .acl_send = null_hci_send,
856 .bdaddr_set = null_hci_addr_set,
859 struct HCIInfo *qemu_next_hci(void)
861 if (cur_hci == nb_hcis)
862 return &null_hci;
864 return hci_table[cur_hci++];
867 static struct HCIInfo *hci_init(const char *str)
869 char *endp;
870 struct bt_scatternet_s *vlan = 0;
872 if (!strcmp(str, "null"))
873 /* null */
874 return &null_hci;
875 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
876 /* host[:hciN] */
877 return bt_host_hci(str[4] ? str + 5 : "hci0");
878 else if (!strncmp(str, "hci", 3)) {
879 /* hci[,vlan=n] */
880 if (str[3]) {
881 if (!strncmp(str + 3, ",vlan=", 6)) {
882 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
883 if (*endp)
884 vlan = 0;
886 } else
887 vlan = qemu_find_bt_vlan(0);
888 if (vlan)
889 return bt_new_hci(vlan);
892 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
894 return 0;
897 static int bt_hci_parse(const char *str)
899 struct HCIInfo *hci;
900 bdaddr_t bdaddr;
902 if (nb_hcis >= MAX_NICS) {
903 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
904 return -1;
907 hci = hci_init(str);
908 if (!hci)
909 return -1;
911 bdaddr.b[0] = 0x52;
912 bdaddr.b[1] = 0x54;
913 bdaddr.b[2] = 0x00;
914 bdaddr.b[3] = 0x12;
915 bdaddr.b[4] = 0x34;
916 bdaddr.b[5] = 0x56 + nb_hcis;
917 hci->bdaddr_set(hci, bdaddr.b);
919 hci_table[nb_hcis++] = hci;
921 return 0;
924 static void bt_vhci_add(int vlan_id)
926 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
928 if (!vlan->slave)
929 fprintf(stderr, "qemu: warning: adding a VHCI to "
930 "an empty scatternet %i\n", vlan_id);
932 bt_vhci_init(bt_new_hci(vlan));
935 static struct bt_device_s *bt_device_add(const char *opt)
937 struct bt_scatternet_s *vlan;
938 int vlan_id = 0;
939 char *endp = strstr(opt, ",vlan=");
940 int len = (endp ? endp - opt : strlen(opt)) + 1;
941 char devname[10];
943 pstrcpy(devname, MIN(sizeof(devname), len), opt);
945 if (endp) {
946 vlan_id = strtol(endp + 6, &endp, 0);
947 if (*endp) {
948 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
949 return 0;
953 vlan = qemu_find_bt_vlan(vlan_id);
955 if (!vlan->slave)
956 fprintf(stderr, "qemu: warning: adding a slave device to "
957 "an empty scatternet %i\n", vlan_id);
959 if (!strcmp(devname, "keyboard"))
960 return bt_keyboard_init(vlan);
962 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
963 return 0;
966 static int bt_parse(const char *opt)
968 const char *endp, *p;
969 int vlan;
971 if (strstart(opt, "hci", &endp)) {
972 if (!*endp || *endp == ',') {
973 if (*endp)
974 if (!strstart(endp, ",vlan=", 0))
975 opt = endp + 1;
977 return bt_hci_parse(opt);
979 } else if (strstart(opt, "vhci", &endp)) {
980 if (!*endp || *endp == ',') {
981 if (*endp) {
982 if (strstart(endp, ",vlan=", &p)) {
983 vlan = strtol(p, (char **) &endp, 0);
984 if (*endp) {
985 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
986 return 1;
988 } else {
989 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
990 return 1;
992 } else
993 vlan = 0;
995 bt_vhci_add(vlan);
996 return 0;
998 } else if (strstart(opt, "device:", &endp))
999 return !bt_device_add(endp);
1001 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1002 return 1;
1005 static int parse_sandbox(QemuOpts *opts, void *opaque)
1007 /* FIXME: change this to true for 1.3 */
1008 if (qemu_opt_get_bool(opts, "enable", false)) {
1009 #ifdef CONFIG_SECCOMP
1010 if (seccomp_start() < 0) {
1011 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1012 "failed to install seccomp syscall filter in the kernel");
1013 return -1;
1015 #else
1016 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1017 "sandboxing request but seccomp is not compiled into this build");
1018 return -1;
1019 #endif
1022 return 0;
1025 /*********QEMU USB setting******/
1026 bool usb_enabled(bool default_usb)
1028 QemuOpts *mach_opts;
1029 mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
1030 if (mach_opts) {
1031 return qemu_opt_get_bool(mach_opts, "usb", default_usb);
1033 return default_usb;
1036 #ifndef _WIN32
1037 static int parse_add_fd(QemuOpts *opts, void *opaque)
1039 int fd, dupfd, flags;
1040 int64_t fdset_id;
1041 const char *fd_opaque = NULL;
1043 fd = qemu_opt_get_number(opts, "fd", -1);
1044 fdset_id = qemu_opt_get_number(opts, "set", -1);
1045 fd_opaque = qemu_opt_get(opts, "opaque");
1047 if (fd < 0) {
1048 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1049 "fd option is required and must be non-negative");
1050 return -1;
1053 if (fd <= STDERR_FILENO) {
1054 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1055 "fd cannot be a standard I/O stream");
1056 return -1;
1060 * All fds inherited across exec() necessarily have FD_CLOEXEC
1061 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1063 flags = fcntl(fd, F_GETFD);
1064 if (flags == -1 || (flags & FD_CLOEXEC)) {
1065 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1066 "fd is not valid or already in use");
1067 return -1;
1070 if (fdset_id < 0) {
1071 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1072 "set option is required and must be non-negative");
1073 return -1;
1076 #ifdef F_DUPFD_CLOEXEC
1077 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1078 #else
1079 dupfd = dup(fd);
1080 if (dupfd != -1) {
1081 qemu_set_cloexec(dupfd);
1083 #endif
1084 if (dupfd == -1) {
1085 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1086 "Error duplicating fd: %s", strerror(errno));
1087 return -1;
1090 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1091 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1092 fd_opaque, NULL);
1094 return 0;
1097 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1099 int fd;
1101 fd = qemu_opt_get_number(opts, "fd", -1);
1102 close(fd);
1104 return 0;
1106 #endif
1108 /***********************************************************/
1109 /* QEMU Block devices */
1111 #define HD_OPTS "media=disk"
1112 #define CDROM_OPTS "media=cdrom"
1113 #define FD_OPTS ""
1114 #define PFLASH_OPTS ""
1115 #define MTD_OPTS ""
1116 #define SD_OPTS ""
1118 static int drive_init_func(QemuOpts *opts, void *opaque)
1120 BlockInterfaceType *block_default_type = opaque;
1122 return drive_init(opts, *block_default_type) == NULL;
1125 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1127 if (NULL == qemu_opt_get(opts, "snapshot")) {
1128 qemu_opt_set(opts, "snapshot", "on");
1130 return 0;
1133 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1134 int index, const char *optstr)
1136 QemuOpts *opts;
1138 if (!enable || drive_get_by_index(type, index)) {
1139 return;
1142 opts = drive_add(type, index, NULL, optstr);
1143 if (snapshot) {
1144 drive_enable_snapshot(opts, NULL);
1146 if (!drive_init(opts, type)) {
1147 exit(1);
1151 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1153 boot_set_handler = func;
1154 boot_set_opaque = opaque;
1157 int qemu_boot_set(const char *boot_devices)
1159 if (!boot_set_handler) {
1160 return -EINVAL;
1162 return boot_set_handler(boot_set_opaque, boot_devices);
1165 static void validate_bootdevices(char *devices)
1167 /* We just do some generic consistency checks */
1168 const char *p;
1169 int bitmap = 0;
1171 for (p = devices; *p != '\0'; p++) {
1172 /* Allowed boot devices are:
1173 * a-b: floppy disk drives
1174 * c-f: IDE disk drives
1175 * g-m: machine implementation dependent drives
1176 * n-p: network devices
1177 * It's up to each machine implementation to check if the given boot
1178 * devices match the actual hardware implementation and firmware
1179 * features.
1181 if (*p < 'a' || *p > 'p') {
1182 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1183 exit(1);
1185 if (bitmap & (1 << (*p - 'a'))) {
1186 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1187 exit(1);
1189 bitmap |= 1 << (*p - 'a');
1193 static void restore_boot_devices(void *opaque)
1195 char *standard_boot_devices = opaque;
1196 static int first = 1;
1198 /* Restore boot order and remove ourselves after the first boot */
1199 if (first) {
1200 first = 0;
1201 return;
1204 qemu_boot_set(standard_boot_devices);
1206 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1207 g_free(standard_boot_devices);
1210 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1211 const char *suffix)
1213 FWBootEntry *node, *i;
1215 if (bootindex < 0) {
1216 return;
1219 assert(dev != NULL || suffix != NULL);
1221 node = g_malloc0(sizeof(FWBootEntry));
1222 node->bootindex = bootindex;
1223 node->suffix = suffix ? g_strdup(suffix) : NULL;
1224 node->dev = dev;
1226 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1227 if (i->bootindex == bootindex) {
1228 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1229 exit(1);
1230 } else if (i->bootindex < bootindex) {
1231 continue;
1233 QTAILQ_INSERT_BEFORE(i, node, link);
1234 return;
1236 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1240 * This function returns null terminated string that consist of new line
1241 * separated device paths.
1243 * memory pointed by "size" is assigned total length of the array in bytes
1246 char *get_boot_devices_list(size_t *size)
1248 FWBootEntry *i;
1249 size_t total = 0;
1250 char *list = NULL;
1252 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1253 char *devpath = NULL, *bootpath;
1254 size_t len;
1256 if (i->dev) {
1257 devpath = qdev_get_fw_dev_path(i->dev);
1258 assert(devpath);
1261 if (i->suffix && devpath) {
1262 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1264 bootpath = g_malloc(bootpathlen);
1265 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1266 g_free(devpath);
1267 } else if (devpath) {
1268 bootpath = devpath;
1269 } else {
1270 assert(i->suffix);
1271 bootpath = g_strdup(i->suffix);
1274 if (total) {
1275 list[total-1] = '\n';
1277 len = strlen(bootpath) + 1;
1278 list = g_realloc(list, total + len);
1279 memcpy(&list[total], bootpath, len);
1280 total += len;
1281 g_free(bootpath);
1284 *size = total;
1286 if (boot_strict && *size > 0) {
1287 list[total-1] = '\n';
1288 list = g_realloc(list, total + 5);
1289 memcpy(&list[total], "HALT", 5);
1290 *size = total + 5;
1292 return list;
1295 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1297 char *endptr;
1298 unsigned long long value, endvalue;
1300 /* Empty CPU range strings will be considered valid, they will simply
1301 * not set any bit in the CPU bitmap.
1303 if (!*cpus) {
1304 return;
1307 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1308 goto error;
1310 if (*endptr == '-') {
1311 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1312 goto error;
1314 } else if (*endptr == '\0') {
1315 endvalue = value;
1316 } else {
1317 goto error;
1320 if (endvalue >= MAX_CPUMASK_BITS) {
1321 endvalue = MAX_CPUMASK_BITS - 1;
1322 fprintf(stderr,
1323 "qemu: NUMA: A max of %d VCPUs are supported\n",
1324 MAX_CPUMASK_BITS);
1327 if (endvalue < value) {
1328 goto error;
1331 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1332 return;
1334 error:
1335 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1336 exit(1);
1339 static void numa_add(const char *optarg)
1341 char option[128];
1342 char *endptr;
1343 unsigned long long nodenr;
1345 optarg = get_opt_name(option, 128, optarg, ',');
1346 if (*optarg == ',') {
1347 optarg++;
1349 if (!strcmp(option, "node")) {
1351 if (nb_numa_nodes >= MAX_NODES) {
1352 fprintf(stderr, "qemu: too many NUMA nodes\n");
1353 exit(1);
1356 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1357 nodenr = nb_numa_nodes;
1358 } else {
1359 if (parse_uint_full(option, &nodenr, 10) < 0) {
1360 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1361 exit(1);
1365 if (nodenr >= MAX_NODES) {
1366 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1367 exit(1);
1370 if (get_param_value(option, 128, "mem", optarg) == 0) {
1371 node_mem[nodenr] = 0;
1372 } else {
1373 int64_t sval;
1374 sval = strtosz(option, &endptr);
1375 if (sval < 0 || *endptr) {
1376 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1377 exit(1);
1379 node_mem[nodenr] = sval;
1381 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1382 numa_node_parse_cpus(nodenr, option);
1384 nb_numa_nodes++;
1385 } else {
1386 fprintf(stderr, "Invalid -numa option: %s\n", option);
1387 exit(1);
1391 static void smp_parse(const char *optarg)
1393 int smp, sockets = 0, threads = 0, cores = 0;
1394 char *endptr;
1395 char option[128];
1397 smp = strtoul(optarg, &endptr, 10);
1398 if (endptr != optarg) {
1399 if (*endptr == ',') {
1400 endptr++;
1403 if (get_param_value(option, 128, "sockets", endptr) != 0)
1404 sockets = strtoull(option, NULL, 10);
1405 if (get_param_value(option, 128, "cores", endptr) != 0)
1406 cores = strtoull(option, NULL, 10);
1407 if (get_param_value(option, 128, "threads", endptr) != 0)
1408 threads = strtoull(option, NULL, 10);
1409 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1410 max_cpus = strtoull(option, NULL, 10);
1412 /* compute missing values, prefer sockets over cores over threads */
1413 if (smp == 0 || sockets == 0) {
1414 sockets = sockets > 0 ? sockets : 1;
1415 cores = cores > 0 ? cores : 1;
1416 threads = threads > 0 ? threads : 1;
1417 if (smp == 0) {
1418 smp = cores * threads * sockets;
1420 } else {
1421 if (cores == 0) {
1422 threads = threads > 0 ? threads : 1;
1423 cores = smp / (sockets * threads);
1424 } else {
1425 threads = smp / (cores * sockets);
1428 smp_cpus = smp;
1429 smp_cores = cores > 0 ? cores : 1;
1430 smp_threads = threads > 0 ? threads : 1;
1431 if (max_cpus == 0)
1432 max_cpus = smp_cpus;
1435 static void configure_realtime(QemuOpts *opts)
1437 bool enable_mlock;
1439 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1441 if (enable_mlock) {
1442 if (os_mlock() < 0) {
1443 fprintf(stderr, "qemu: locking memory failed\n");
1444 exit(1);
1449 /***********************************************************/
1450 /* USB devices */
1452 static int usb_device_add(const char *devname)
1454 const char *p;
1455 USBDevice *dev = NULL;
1457 if (!usb_enabled(false)) {
1458 return -1;
1461 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1462 dev = usbdevice_create(devname);
1463 if (dev)
1464 goto done;
1466 /* the other ones */
1467 #ifndef CONFIG_LINUX
1468 /* only the linux version is qdev-ified, usb-bsd still needs this */
1469 if (strstart(devname, "host:", &p)) {
1470 dev = usb_host_device_open(usb_bus_find(-1), p);
1471 } else
1472 #endif
1473 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1474 dev = usb_bt_init(usb_bus_find(-1),
1475 devname[2] ? hci_init(p)
1476 : bt_new_hci(qemu_find_bt_vlan(0)));
1477 } else {
1478 return -1;
1480 if (!dev)
1481 return -1;
1483 done:
1484 return 0;
1487 static int usb_device_del(const char *devname)
1489 int bus_num, addr;
1490 const char *p;
1492 if (strstart(devname, "host:", &p)) {
1493 return -1;
1496 if (!usb_enabled(false)) {
1497 return -1;
1500 p = strchr(devname, '.');
1501 if (!p)
1502 return -1;
1503 bus_num = strtoul(devname, NULL, 0);
1504 addr = strtoul(p + 1, NULL, 0);
1506 return usb_device_delete_addr(bus_num, addr);
1509 static int usb_parse(const char *cmdline)
1511 int r;
1512 r = usb_device_add(cmdline);
1513 if (r < 0) {
1514 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1516 return r;
1519 void do_usb_add(Monitor *mon, const QDict *qdict)
1521 const char *devname = qdict_get_str(qdict, "devname");
1522 if (usb_device_add(devname) < 0) {
1523 error_report("could not add USB device '%s'", devname);
1527 void do_usb_del(Monitor *mon, const QDict *qdict)
1529 const char *devname = qdict_get_str(qdict, "devname");
1530 if (usb_device_del(devname) < 0) {
1531 error_report("could not delete USB device '%s'", devname);
1535 /***********************************************************/
1536 /* PCMCIA/Cardbus */
1538 static struct pcmcia_socket_entry_s {
1539 PCMCIASocket *socket;
1540 struct pcmcia_socket_entry_s *next;
1541 } *pcmcia_sockets = 0;
1543 void pcmcia_socket_register(PCMCIASocket *socket)
1545 struct pcmcia_socket_entry_s *entry;
1547 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1548 entry->socket = socket;
1549 entry->next = pcmcia_sockets;
1550 pcmcia_sockets = entry;
1553 void pcmcia_socket_unregister(PCMCIASocket *socket)
1555 struct pcmcia_socket_entry_s *entry, **ptr;
1557 ptr = &pcmcia_sockets;
1558 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1559 if (entry->socket == socket) {
1560 *ptr = entry->next;
1561 g_free(entry);
1565 void pcmcia_info(Monitor *mon, const QDict *qdict)
1567 struct pcmcia_socket_entry_s *iter;
1569 if (!pcmcia_sockets)
1570 monitor_printf(mon, "No PCMCIA sockets\n");
1572 for (iter = pcmcia_sockets; iter; iter = iter->next)
1573 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1574 iter->socket->attached ? iter->socket->card_string :
1575 "Empty");
1578 /***********************************************************/
1579 /* machine registration */
1581 static QEMUMachine *first_machine = NULL;
1582 QEMUMachine *current_machine = NULL;
1584 int qemu_register_machine(QEMUMachine *m)
1586 QEMUMachine **pm;
1587 pm = &first_machine;
1588 while (*pm != NULL)
1589 pm = &(*pm)->next;
1590 m->next = NULL;
1591 *pm = m;
1592 return 0;
1595 static QEMUMachine *find_machine(const char *name)
1597 QEMUMachine *m;
1599 for(m = first_machine; m != NULL; m = m->next) {
1600 if (!strcmp(m->name, name))
1601 return m;
1602 if (m->alias && !strcmp(m->alias, name))
1603 return m;
1605 return NULL;
1608 QEMUMachine *find_default_machine(void)
1610 QEMUMachine *m;
1612 for(m = first_machine; m != NULL; m = m->next) {
1613 if (m->is_default) {
1614 return m;
1617 return NULL;
1620 MachineInfoList *qmp_query_machines(Error **errp)
1622 MachineInfoList *mach_list = NULL;
1623 QEMUMachine *m;
1625 for (m = first_machine; m; m = m->next) {
1626 MachineInfoList *entry;
1627 MachineInfo *info;
1629 info = g_malloc0(sizeof(*info));
1630 if (m->is_default) {
1631 info->has_is_default = true;
1632 info->is_default = true;
1635 if (m->alias) {
1636 info->has_alias = true;
1637 info->alias = g_strdup(m->alias);
1640 info->name = g_strdup(m->name);
1641 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1643 entry = g_malloc0(sizeof(*entry));
1644 entry->value = info;
1645 entry->next = mach_list;
1646 mach_list = entry;
1649 return mach_list;
1652 /***********************************************************/
1653 /* main execution loop */
1655 struct vm_change_state_entry {
1656 VMChangeStateHandler *cb;
1657 void *opaque;
1658 QLIST_ENTRY (vm_change_state_entry) entries;
1661 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1663 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1664 void *opaque)
1666 VMChangeStateEntry *e;
1668 e = g_malloc0(sizeof (*e));
1670 e->cb = cb;
1671 e->opaque = opaque;
1672 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1673 return e;
1676 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1678 QLIST_REMOVE (e, entries);
1679 g_free (e);
1682 void vm_state_notify(int running, RunState state)
1684 VMChangeStateEntry *e;
1686 trace_vm_state_notify(running, state);
1688 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1689 e->cb(e->opaque, running, state);
1693 void vm_start(void)
1695 if (!runstate_is_running()) {
1696 cpu_enable_ticks();
1697 runstate_set(RUN_STATE_RUNNING);
1698 vm_state_notify(1, RUN_STATE_RUNNING);
1699 resume_all_vcpus();
1700 monitor_protocol_event(QEVENT_RESUME, NULL);
1704 /* reset/shutdown handler */
1706 typedef struct QEMUResetEntry {
1707 QTAILQ_ENTRY(QEMUResetEntry) entry;
1708 QEMUResetHandler *func;
1709 void *opaque;
1710 } QEMUResetEntry;
1712 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1713 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1714 static int reset_requested;
1715 static int shutdown_requested, shutdown_signal = -1;
1716 static pid_t shutdown_pid;
1717 static int powerdown_requested;
1718 static int debug_requested;
1719 static int suspend_requested;
1720 static int wakeup_requested;
1721 static NotifierList powerdown_notifiers =
1722 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1723 static NotifierList suspend_notifiers =
1724 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1725 static NotifierList wakeup_notifiers =
1726 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1727 static uint32_t wakeup_reason_mask = ~0;
1728 static RunState vmstop_requested = RUN_STATE_MAX;
1730 int qemu_shutdown_requested_get(void)
1732 return shutdown_requested;
1735 int qemu_reset_requested_get(void)
1737 return reset_requested;
1740 static int qemu_shutdown_requested(void)
1742 int r = shutdown_requested;
1743 shutdown_requested = 0;
1744 return r;
1747 static void qemu_kill_report(void)
1749 if (!qtest_enabled() && shutdown_signal != -1) {
1750 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1751 if (shutdown_pid == 0) {
1752 /* This happens for eg ^C at the terminal, so it's worth
1753 * avoiding printing an odd message in that case.
1755 fputc('\n', stderr);
1756 } else {
1757 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1759 shutdown_signal = -1;
1763 static int qemu_reset_requested(void)
1765 int r = reset_requested;
1766 reset_requested = 0;
1767 return r;
1770 static int qemu_suspend_requested(void)
1772 int r = suspend_requested;
1773 suspend_requested = 0;
1774 return r;
1777 static int qemu_wakeup_requested(void)
1779 int r = wakeup_requested;
1780 wakeup_requested = 0;
1781 return r;
1784 static int qemu_powerdown_requested(void)
1786 int r = powerdown_requested;
1787 powerdown_requested = 0;
1788 return r;
1791 static int qemu_debug_requested(void)
1793 int r = debug_requested;
1794 debug_requested = 0;
1795 return r;
1798 /* We use RUN_STATE_MAX but any invalid value will do */
1799 static bool qemu_vmstop_requested(RunState *r)
1801 if (vmstop_requested < RUN_STATE_MAX) {
1802 *r = vmstop_requested;
1803 vmstop_requested = RUN_STATE_MAX;
1804 return true;
1807 return false;
1810 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1812 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1814 re->func = func;
1815 re->opaque = opaque;
1816 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1819 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1821 QEMUResetEntry *re;
1823 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1824 if (re->func == func && re->opaque == opaque) {
1825 QTAILQ_REMOVE(&reset_handlers, re, entry);
1826 g_free(re);
1827 return;
1832 void qemu_devices_reset(void)
1834 QEMUResetEntry *re, *nre;
1836 /* reset all devices */
1837 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1838 re->func(re->opaque);
1842 void qemu_system_reset(bool report)
1844 if (current_machine && current_machine->reset) {
1845 current_machine->reset();
1846 } else {
1847 qemu_devices_reset();
1849 if (report) {
1850 monitor_protocol_event(QEVENT_RESET, NULL);
1852 cpu_synchronize_all_post_reset();
1855 void qemu_system_reset_request(void)
1857 if (no_reboot) {
1858 shutdown_requested = 1;
1859 } else {
1860 reset_requested = 1;
1862 cpu_stop_current();
1863 qemu_notify_event();
1866 static void qemu_system_suspend(void)
1868 pause_all_vcpus();
1869 notifier_list_notify(&suspend_notifiers, NULL);
1870 runstate_set(RUN_STATE_SUSPENDED);
1871 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1874 void qemu_system_suspend_request(void)
1876 if (runstate_check(RUN_STATE_SUSPENDED)) {
1877 return;
1879 suspend_requested = 1;
1880 cpu_stop_current();
1881 qemu_notify_event();
1884 void qemu_register_suspend_notifier(Notifier *notifier)
1886 notifier_list_add(&suspend_notifiers, notifier);
1889 void qemu_system_wakeup_request(WakeupReason reason)
1891 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1892 return;
1894 if (!(wakeup_reason_mask & (1 << reason))) {
1895 return;
1897 runstate_set(RUN_STATE_RUNNING);
1898 notifier_list_notify(&wakeup_notifiers, &reason);
1899 wakeup_requested = 1;
1900 qemu_notify_event();
1903 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1905 if (enabled) {
1906 wakeup_reason_mask |= (1 << reason);
1907 } else {
1908 wakeup_reason_mask &= ~(1 << reason);
1912 void qemu_register_wakeup_notifier(Notifier *notifier)
1914 notifier_list_add(&wakeup_notifiers, notifier);
1917 void qemu_system_killed(int signal, pid_t pid)
1919 shutdown_signal = signal;
1920 shutdown_pid = pid;
1921 no_shutdown = 0;
1922 qemu_system_shutdown_request();
1925 void qemu_system_shutdown_request(void)
1927 shutdown_requested = 1;
1928 qemu_notify_event();
1931 static void qemu_system_powerdown(void)
1933 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1934 notifier_list_notify(&powerdown_notifiers, NULL);
1937 void qemu_system_powerdown_request(void)
1939 powerdown_requested = 1;
1940 qemu_notify_event();
1943 void qemu_register_powerdown_notifier(Notifier *notifier)
1945 notifier_list_add(&powerdown_notifiers, notifier);
1948 void qemu_system_debug_request(void)
1950 debug_requested = 1;
1951 qemu_notify_event();
1954 void qemu_system_vmstop_request(RunState state)
1956 vmstop_requested = state;
1957 qemu_notify_event();
1960 static bool main_loop_should_exit(void)
1962 RunState r;
1963 if (qemu_debug_requested()) {
1964 vm_stop(RUN_STATE_DEBUG);
1966 if (qemu_suspend_requested()) {
1967 qemu_system_suspend();
1969 if (qemu_shutdown_requested()) {
1970 qemu_kill_report();
1971 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1972 if (no_shutdown) {
1973 vm_stop(RUN_STATE_SHUTDOWN);
1974 } else {
1975 return true;
1978 if (qemu_reset_requested()) {
1979 pause_all_vcpus();
1980 cpu_synchronize_all_states();
1981 qemu_system_reset(VMRESET_REPORT);
1982 resume_all_vcpus();
1983 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1984 runstate_check(RUN_STATE_SHUTDOWN)) {
1985 runstate_set(RUN_STATE_PAUSED);
1988 if (qemu_wakeup_requested()) {
1989 pause_all_vcpus();
1990 cpu_synchronize_all_states();
1991 qemu_system_reset(VMRESET_SILENT);
1992 resume_all_vcpus();
1993 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1995 if (qemu_powerdown_requested()) {
1996 qemu_system_powerdown();
1998 if (qemu_vmstop_requested(&r)) {
1999 vm_stop(r);
2001 return false;
2004 static void main_loop(void)
2006 bool nonblocking;
2007 int last_io = 0;
2008 #ifdef CONFIG_PROFILER
2009 int64_t ti;
2010 #endif
2011 do {
2012 nonblocking = !kvm_enabled() && last_io > 0;
2013 #ifdef CONFIG_PROFILER
2014 ti = profile_getclock();
2015 #endif
2016 last_io = main_loop_wait(nonblocking);
2017 #ifdef CONFIG_PROFILER
2018 dev_time += profile_getclock() - ti;
2019 #endif
2020 } while (!main_loop_should_exit());
2023 static void version(void)
2025 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2028 static void help(int exitcode)
2030 version();
2031 printf("usage: %s [options] [disk_image]\n\n"
2032 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2033 error_get_progname());
2035 #define QEMU_OPTIONS_GENERATE_HELP
2036 #include "qemu-options-wrapper.h"
2038 printf("\nDuring emulation, the following keys are useful:\n"
2039 "ctrl-alt-f toggle full screen\n"
2040 "ctrl-alt-n switch to virtual console 'n'\n"
2041 "ctrl-alt toggle mouse and keyboard grab\n"
2042 "\n"
2043 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2045 exit(exitcode);
2048 #define HAS_ARG 0x0001
2050 typedef struct QEMUOption {
2051 const char *name;
2052 int flags;
2053 int index;
2054 uint32_t arch_mask;
2055 } QEMUOption;
2057 static const QEMUOption qemu_options[] = {
2058 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2059 #define QEMU_OPTIONS_GENERATE_OPTIONS
2060 #include "qemu-options-wrapper.h"
2061 { NULL },
2064 static bool vga_available(void)
2066 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2069 static bool cirrus_vga_available(void)
2071 return object_class_by_name("cirrus-vga")
2072 || object_class_by_name("isa-cirrus-vga");
2075 static bool vmware_vga_available(void)
2077 return object_class_by_name("vmware-svga");
2080 static bool qxl_vga_available(void)
2082 return object_class_by_name("qxl-vga");
2085 static void select_vgahw (const char *p)
2087 const char *opts;
2089 vga_interface_type = VGA_NONE;
2090 if (strstart(p, "std", &opts)) {
2091 if (vga_available()) {
2092 vga_interface_type = VGA_STD;
2093 } else {
2094 fprintf(stderr, "Error: standard VGA not available\n");
2095 exit(0);
2097 } else if (strstart(p, "cirrus", &opts)) {
2098 if (cirrus_vga_available()) {
2099 vga_interface_type = VGA_CIRRUS;
2100 } else {
2101 fprintf(stderr, "Error: Cirrus VGA not available\n");
2102 exit(0);
2104 } else if (strstart(p, "vmware", &opts)) {
2105 if (vmware_vga_available()) {
2106 vga_interface_type = VGA_VMWARE;
2107 } else {
2108 fprintf(stderr, "Error: VMWare SVGA not available\n");
2109 exit(0);
2111 } else if (strstart(p, "xenfb", &opts)) {
2112 vga_interface_type = VGA_XENFB;
2113 } else if (strstart(p, "qxl", &opts)) {
2114 if (qxl_vga_available()) {
2115 vga_interface_type = VGA_QXL;
2116 } else {
2117 fprintf(stderr, "Error: QXL VGA not available\n");
2118 exit(0);
2120 } else if (!strstart(p, "none", &opts)) {
2121 invalid_vga:
2122 fprintf(stderr, "Unknown vga type: %s\n", p);
2123 exit(1);
2125 while (*opts) {
2126 const char *nextopt;
2128 if (strstart(opts, ",retrace=", &nextopt)) {
2129 opts = nextopt;
2130 if (strstart(opts, "dumb", &nextopt))
2131 vga_retrace_method = VGA_RETRACE_DUMB;
2132 else if (strstart(opts, "precise", &nextopt))
2133 vga_retrace_method = VGA_RETRACE_PRECISE;
2134 else goto invalid_vga;
2135 } else goto invalid_vga;
2136 opts = nextopt;
2140 static DisplayType select_display(const char *p)
2142 const char *opts;
2143 DisplayType display = DT_DEFAULT;
2145 if (strstart(p, "sdl", &opts)) {
2146 #ifdef CONFIG_SDL
2147 display = DT_SDL;
2148 while (*opts) {
2149 const char *nextopt;
2151 if (strstart(opts, ",frame=", &nextopt)) {
2152 opts = nextopt;
2153 if (strstart(opts, "on", &nextopt)) {
2154 no_frame = 0;
2155 } else if (strstart(opts, "off", &nextopt)) {
2156 no_frame = 1;
2157 } else {
2158 goto invalid_sdl_args;
2160 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2161 opts = nextopt;
2162 if (strstart(opts, "on", &nextopt)) {
2163 alt_grab = 1;
2164 } else if (strstart(opts, "off", &nextopt)) {
2165 alt_grab = 0;
2166 } else {
2167 goto invalid_sdl_args;
2169 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2170 opts = nextopt;
2171 if (strstart(opts, "on", &nextopt)) {
2172 ctrl_grab = 1;
2173 } else if (strstart(opts, "off", &nextopt)) {
2174 ctrl_grab = 0;
2175 } else {
2176 goto invalid_sdl_args;
2178 } else if (strstart(opts, ",window_close=", &nextopt)) {
2179 opts = nextopt;
2180 if (strstart(opts, "on", &nextopt)) {
2181 no_quit = 0;
2182 } else if (strstart(opts, "off", &nextopt)) {
2183 no_quit = 1;
2184 } else {
2185 goto invalid_sdl_args;
2187 } else {
2188 invalid_sdl_args:
2189 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2190 exit(1);
2192 opts = nextopt;
2194 #else
2195 fprintf(stderr, "SDL support is disabled\n");
2196 exit(1);
2197 #endif
2198 } else if (strstart(p, "vnc", &opts)) {
2199 #ifdef CONFIG_VNC
2200 display_remote++;
2202 if (*opts) {
2203 const char *nextopt;
2205 if (strstart(opts, "=", &nextopt)) {
2206 vnc_display = nextopt;
2209 if (!vnc_display) {
2210 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2211 exit(1);
2213 #else
2214 fprintf(stderr, "VNC support is disabled\n");
2215 exit(1);
2216 #endif
2217 } else if (strstart(p, "curses", &opts)) {
2218 #ifdef CONFIG_CURSES
2219 display = DT_CURSES;
2220 #else
2221 fprintf(stderr, "Curses support is disabled\n");
2222 exit(1);
2223 #endif
2224 } else if (strstart(p, "gtk", &opts)) {
2225 #ifdef CONFIG_GTK
2226 display = DT_GTK;
2227 #else
2228 fprintf(stderr, "GTK support is disabled\n");
2229 exit(1);
2230 #endif
2231 } else if (strstart(p, "none", &opts)) {
2232 display = DT_NONE;
2233 } else {
2234 fprintf(stderr, "Unknown display type: %s\n", p);
2235 exit(1);
2238 return display;
2241 static int balloon_parse(const char *arg)
2243 QemuOpts *opts;
2245 if (strcmp(arg, "none") == 0) {
2246 return 0;
2249 if (!strncmp(arg, "virtio", 6)) {
2250 if (arg[6] == ',') {
2251 /* have params -> parse them */
2252 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2253 if (!opts)
2254 return -1;
2255 } else {
2256 /* create empty opts */
2257 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2259 qemu_opt_set(opts, "driver", "virtio-balloon");
2260 return 0;
2263 return -1;
2266 char *qemu_find_file(int type, const char *name)
2268 int i;
2269 const char *subdir;
2270 char *buf;
2272 /* Try the name as a straight path first */
2273 if (access(name, R_OK) == 0) {
2274 trace_load_file(name, name);
2275 return g_strdup(name);
2278 switch (type) {
2279 case QEMU_FILE_TYPE_BIOS:
2280 subdir = "";
2281 break;
2282 case QEMU_FILE_TYPE_KEYMAP:
2283 subdir = "keymaps/";
2284 break;
2285 default:
2286 abort();
2289 for (i = 0; i < data_dir_idx; i++) {
2290 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2291 if (access(buf, R_OK) == 0) {
2292 trace_load_file(name, buf);
2293 return buf;
2295 g_free(buf);
2297 return NULL;
2300 static int device_help_func(QemuOpts *opts, void *opaque)
2302 return qdev_device_help(opts);
2305 static int device_init_func(QemuOpts *opts, void *opaque)
2307 DeviceState *dev;
2309 dev = qdev_device_add(opts);
2310 if (!dev)
2311 return -1;
2312 object_unref(OBJECT(dev));
2313 return 0;
2316 static int chardev_init_func(QemuOpts *opts, void *opaque)
2318 Error *local_err = NULL;
2320 qemu_chr_new_from_opts(opts, NULL, &local_err);
2321 if (error_is_set(&local_err)) {
2322 fprintf(stderr, "%s\n", error_get_pretty(local_err));
2323 error_free(local_err);
2324 return -1;
2326 return 0;
2329 #ifdef CONFIG_VIRTFS
2330 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2332 int ret;
2333 ret = qemu_fsdev_add(opts);
2335 return ret;
2337 #endif
2339 static int mon_init_func(QemuOpts *opts, void *opaque)
2341 CharDriverState *chr;
2342 const char *chardev;
2343 const char *mode;
2344 int flags;
2346 mode = qemu_opt_get(opts, "mode");
2347 if (mode == NULL) {
2348 mode = "readline";
2350 if (strcmp(mode, "readline") == 0) {
2351 flags = MONITOR_USE_READLINE;
2352 } else if (strcmp(mode, "control") == 0) {
2353 flags = MONITOR_USE_CONTROL;
2354 } else {
2355 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2356 exit(1);
2359 if (qemu_opt_get_bool(opts, "pretty", 0))
2360 flags |= MONITOR_USE_PRETTY;
2362 if (qemu_opt_get_bool(opts, "default", 0))
2363 flags |= MONITOR_IS_DEFAULT;
2365 chardev = qemu_opt_get(opts, "chardev");
2366 chr = qemu_chr_find(chardev);
2367 if (chr == NULL) {
2368 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2369 exit(1);
2372 qemu_chr_fe_claim_no_fail(chr);
2373 monitor_init(chr, flags);
2374 return 0;
2377 static void monitor_parse(const char *optarg, const char *mode)
2379 static int monitor_device_index = 0;
2380 QemuOpts *opts;
2381 const char *p;
2382 char label[32];
2383 int def = 0;
2385 if (strstart(optarg, "chardev:", &p)) {
2386 snprintf(label, sizeof(label), "%s", p);
2387 } else {
2388 snprintf(label, sizeof(label), "compat_monitor%d",
2389 monitor_device_index);
2390 if (monitor_device_index == 0) {
2391 def = 1;
2393 opts = qemu_chr_parse_compat(label, optarg);
2394 if (!opts) {
2395 fprintf(stderr, "parse error: %s\n", optarg);
2396 exit(1);
2400 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2401 if (!opts) {
2402 fprintf(stderr, "duplicate chardev: %s\n", label);
2403 exit(1);
2405 qemu_opt_set(opts, "mode", mode);
2406 qemu_opt_set(opts, "chardev", label);
2407 if (def)
2408 qemu_opt_set(opts, "default", "on");
2409 monitor_device_index++;
2412 struct device_config {
2413 enum {
2414 DEV_USB, /* -usbdevice */
2415 DEV_BT, /* -bt */
2416 DEV_SERIAL, /* -serial */
2417 DEV_PARALLEL, /* -parallel */
2418 DEV_VIRTCON, /* -virtioconsole */
2419 DEV_DEBUGCON, /* -debugcon */
2420 DEV_GDB, /* -gdb, -s */
2421 DEV_SCLP, /* s390 sclp */
2422 } type;
2423 const char *cmdline;
2424 Location loc;
2425 QTAILQ_ENTRY(device_config) next;
2428 static QTAILQ_HEAD(, device_config) device_configs =
2429 QTAILQ_HEAD_INITIALIZER(device_configs);
2431 static void add_device_config(int type, const char *cmdline)
2433 struct device_config *conf;
2435 conf = g_malloc0(sizeof(*conf));
2436 conf->type = type;
2437 conf->cmdline = cmdline;
2438 loc_save(&conf->loc);
2439 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2442 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2444 struct device_config *conf;
2445 int rc;
2447 QTAILQ_FOREACH(conf, &device_configs, next) {
2448 if (conf->type != type)
2449 continue;
2450 loc_push_restore(&conf->loc);
2451 rc = func(conf->cmdline);
2452 loc_pop(&conf->loc);
2453 if (0 != rc)
2454 return rc;
2456 return 0;
2459 static int serial_parse(const char *devname)
2461 static int index = 0;
2462 char label[32];
2464 if (strcmp(devname, "none") == 0)
2465 return 0;
2466 if (index == MAX_SERIAL_PORTS) {
2467 fprintf(stderr, "qemu: too many serial ports\n");
2468 exit(1);
2470 snprintf(label, sizeof(label), "serial%d", index);
2471 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2472 if (!serial_hds[index]) {
2473 fprintf(stderr, "qemu: could not connect serial device"
2474 " to character backend '%s'\n", devname);
2475 return -1;
2477 index++;
2478 return 0;
2481 static int parallel_parse(const char *devname)
2483 static int index = 0;
2484 char label[32];
2486 if (strcmp(devname, "none") == 0)
2487 return 0;
2488 if (index == MAX_PARALLEL_PORTS) {
2489 fprintf(stderr, "qemu: too many parallel ports\n");
2490 exit(1);
2492 snprintf(label, sizeof(label), "parallel%d", index);
2493 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2494 if (!parallel_hds[index]) {
2495 fprintf(stderr, "qemu: could not connect parallel device"
2496 " to character backend '%s'\n", devname);
2497 return -1;
2499 index++;
2500 return 0;
2503 static int virtcon_parse(const char *devname)
2505 QemuOptsList *device = qemu_find_opts("device");
2506 static int index = 0;
2507 char label[32];
2508 QemuOpts *bus_opts, *dev_opts;
2510 if (strcmp(devname, "none") == 0)
2511 return 0;
2512 if (index == MAX_VIRTIO_CONSOLES) {
2513 fprintf(stderr, "qemu: too many virtio consoles\n");
2514 exit(1);
2517 bus_opts = qemu_opts_create_nofail(device);
2518 if (arch_type == QEMU_ARCH_S390X) {
2519 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2520 } else {
2521 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2524 dev_opts = qemu_opts_create_nofail(device);
2525 qemu_opt_set(dev_opts, "driver", "virtconsole");
2527 snprintf(label, sizeof(label), "virtcon%d", index);
2528 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2529 if (!virtcon_hds[index]) {
2530 fprintf(stderr, "qemu: could not connect virtio console"
2531 " to character backend '%s'\n", devname);
2532 return -1;
2534 qemu_opt_set(dev_opts, "chardev", label);
2536 index++;
2537 return 0;
2540 static int sclp_parse(const char *devname)
2542 QemuOptsList *device = qemu_find_opts("device");
2543 static int index = 0;
2544 char label[32];
2545 QemuOpts *dev_opts;
2547 if (strcmp(devname, "none") == 0) {
2548 return 0;
2550 if (index == MAX_SCLP_CONSOLES) {
2551 fprintf(stderr, "qemu: too many sclp consoles\n");
2552 exit(1);
2555 assert(arch_type == QEMU_ARCH_S390X);
2557 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2558 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2560 snprintf(label, sizeof(label), "sclpcon%d", index);
2561 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2562 if (!sclp_hds[index]) {
2563 fprintf(stderr, "qemu: could not connect sclp console"
2564 " to character backend '%s'\n", devname);
2565 return -1;
2567 qemu_opt_set(dev_opts, "chardev", label);
2569 index++;
2570 return 0;
2573 static int debugcon_parse(const char *devname)
2575 QemuOpts *opts;
2577 if (!qemu_chr_new("debugcon", devname, NULL)) {
2578 exit(1);
2580 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2581 if (!opts) {
2582 fprintf(stderr, "qemu: already have a debugcon device\n");
2583 exit(1);
2585 qemu_opt_set(opts, "driver", "isa-debugcon");
2586 qemu_opt_set(opts, "chardev", "debugcon");
2587 return 0;
2590 static QEMUMachine *machine_parse(const char *name)
2592 QEMUMachine *m, *machine = NULL;
2594 if (name) {
2595 machine = find_machine(name);
2597 if (machine) {
2598 return machine;
2600 printf("Supported machines are:\n");
2601 for (m = first_machine; m != NULL; m = m->next) {
2602 if (m->alias) {
2603 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2605 printf("%-20s %s%s\n", m->name, m->desc,
2606 m->is_default ? " (default)" : "");
2608 exit(!name || !is_help_option(name));
2611 static int tcg_init(void)
2613 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2614 return 0;
2617 static struct {
2618 const char *opt_name;
2619 const char *name;
2620 int (*available)(void);
2621 int (*init)(void);
2622 bool *allowed;
2623 } accel_list[] = {
2624 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2625 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2626 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2627 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2630 static int configure_accelerator(void)
2632 const char *p = NULL;
2633 char buf[10];
2634 int i, ret;
2635 bool accel_initialised = false;
2636 bool init_failed = false;
2638 QemuOptsList *list = qemu_find_opts("machine");
2639 if (!QTAILQ_EMPTY(&list->head)) {
2640 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2643 if (p == NULL) {
2644 /* Use the default "accelerator", tcg */
2645 p = "tcg";
2648 while (!accel_initialised && *p != '\0') {
2649 if (*p == ':') {
2650 p++;
2652 p = get_opt_name(buf, sizeof (buf), p, ':');
2653 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2654 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2655 if (!accel_list[i].available()) {
2656 printf("%s not supported for this target\n",
2657 accel_list[i].name);
2658 continue;
2660 *(accel_list[i].allowed) = true;
2661 ret = accel_list[i].init();
2662 if (ret < 0) {
2663 init_failed = true;
2664 fprintf(stderr, "failed to initialize %s: %s\n",
2665 accel_list[i].name,
2666 strerror(-ret));
2667 *(accel_list[i].allowed) = false;
2668 } else {
2669 accel_initialised = true;
2671 break;
2674 if (i == ARRAY_SIZE(accel_list)) {
2675 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2679 if (!accel_initialised) {
2680 if (!init_failed) {
2681 fprintf(stderr, "No accelerator found!\n");
2683 exit(1);
2686 if (init_failed) {
2687 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2690 return !accel_initialised;
2693 void qemu_add_exit_notifier(Notifier *notify)
2695 notifier_list_add(&exit_notifiers, notify);
2698 void qemu_remove_exit_notifier(Notifier *notify)
2700 notifier_remove(notify);
2703 static void qemu_run_exit_notifiers(void)
2705 notifier_list_notify(&exit_notifiers, NULL);
2708 void qemu_add_machine_init_done_notifier(Notifier *notify)
2710 notifier_list_add(&machine_init_done_notifiers, notify);
2713 static void qemu_run_machine_init_done_notifiers(void)
2715 notifier_list_notify(&machine_init_done_notifiers, NULL);
2718 static const QEMUOption *lookup_opt(int argc, char **argv,
2719 const char **poptarg, int *poptind)
2721 const QEMUOption *popt;
2722 int optind = *poptind;
2723 char *r = argv[optind];
2724 const char *optarg;
2726 loc_set_cmdline(argv, optind, 1);
2727 optind++;
2728 /* Treat --foo the same as -foo. */
2729 if (r[1] == '-')
2730 r++;
2731 popt = qemu_options;
2732 for(;;) {
2733 if (!popt->name) {
2734 error_report("invalid option");
2735 exit(1);
2737 if (!strcmp(popt->name, r + 1))
2738 break;
2739 popt++;
2741 if (popt->flags & HAS_ARG) {
2742 if (optind >= argc) {
2743 error_report("requires an argument");
2744 exit(1);
2746 optarg = argv[optind++];
2747 loc_set_cmdline(argv, optind - 2, 2);
2748 } else {
2749 optarg = NULL;
2752 *poptarg = optarg;
2753 *poptind = optind;
2755 return popt;
2758 static gpointer malloc_and_trace(gsize n_bytes)
2760 void *ptr = malloc(n_bytes);
2761 trace_g_malloc(n_bytes, ptr);
2762 return ptr;
2765 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2767 void *ptr = realloc(mem, n_bytes);
2768 trace_g_realloc(mem, n_bytes, ptr);
2769 return ptr;
2772 static void free_and_trace(gpointer mem)
2774 trace_g_free(mem);
2775 free(mem);
2778 static int object_set_property(const char *name, const char *value, void *opaque)
2780 Object *obj = OBJECT(opaque);
2781 StringInputVisitor *siv;
2782 Error *local_err = NULL;
2784 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2785 return 0;
2788 siv = string_input_visitor_new(value);
2789 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2790 string_input_visitor_cleanup(siv);
2792 if (local_err) {
2793 qerror_report_err(local_err);
2794 error_free(local_err);
2795 return -1;
2798 return 0;
2801 static int object_create(QemuOpts *opts, void *opaque)
2803 const char *type = qemu_opt_get(opts, "qom-type");
2804 const char *id = qemu_opts_id(opts);
2805 Object *obj;
2807 g_assert(type != NULL);
2809 if (id == NULL) {
2810 qerror_report(QERR_MISSING_PARAMETER, "id");
2811 return -1;
2814 obj = object_new(type);
2815 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2816 return -1;
2819 object_property_add_child(container_get(object_get_root(), "/objects"),
2820 id, obj, NULL);
2822 return 0;
2825 int main(int argc, char **argv, char **envp)
2827 int i;
2828 int snapshot, linux_boot;
2829 const char *icount_option = NULL;
2830 const char *initrd_filename;
2831 const char *kernel_filename, *kernel_cmdline;
2832 char boot_devices[33] = "";
2833 DisplayState *ds;
2834 int cyls, heads, secs, translation;
2835 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2836 QemuOptsList *olist;
2837 int optind;
2838 const char *optarg;
2839 const char *loadvm = NULL;
2840 QEMUMachine *machine;
2841 const char *cpu_model;
2842 const char *vga_model = "none";
2843 const char *pid_file = NULL;
2844 const char *incoming = NULL;
2845 #ifdef CONFIG_VNC
2846 int show_vnc_port = 0;
2847 #endif
2848 bool defconfig = true;
2849 bool userconfig = true;
2850 const char *log_mask = NULL;
2851 const char *log_file = NULL;
2852 GMemVTable mem_trace = {
2853 .malloc = malloc_and_trace,
2854 .realloc = realloc_and_trace,
2855 .free = free_and_trace,
2857 const char *trace_events = NULL;
2858 const char *trace_file = NULL;
2860 atexit(qemu_run_exit_notifiers);
2861 error_set_progname(argv[0]);
2863 g_mem_set_vtable(&mem_trace);
2864 if (!g_thread_supported()) {
2865 #if !GLIB_CHECK_VERSION(2, 31, 0)
2866 g_thread_init(NULL);
2867 #else
2868 fprintf(stderr, "glib threading failed to initialize.\n");
2869 exit(1);
2870 #endif
2873 module_call_init(MODULE_INIT_QOM);
2875 qemu_add_opts(&qemu_drive_opts);
2876 qemu_add_opts(&qemu_chardev_opts);
2877 qemu_add_opts(&qemu_device_opts);
2878 qemu_add_opts(&qemu_netdev_opts);
2879 qemu_add_opts(&qemu_net_opts);
2880 qemu_add_opts(&qemu_rtc_opts);
2881 qemu_add_opts(&qemu_global_opts);
2882 qemu_add_opts(&qemu_mon_opts);
2883 qemu_add_opts(&qemu_trace_opts);
2884 qemu_add_opts(&qemu_option_rom_opts);
2885 qemu_add_opts(&qemu_machine_opts);
2886 qemu_add_opts(&qemu_boot_opts);
2887 qemu_add_opts(&qemu_sandbox_opts);
2888 qemu_add_opts(&qemu_add_fd_opts);
2889 qemu_add_opts(&qemu_object_opts);
2890 qemu_add_opts(&qemu_tpmdev_opts);
2891 qemu_add_opts(&qemu_realtime_opts);
2893 runstate_init();
2895 init_clocks();
2896 rtc_clock = host_clock;
2898 qemu_cache_utils_init(envp);
2900 QLIST_INIT (&vm_change_state_head);
2901 os_setup_early_signal_handling();
2903 module_call_init(MODULE_INIT_MACHINE);
2904 machine = find_default_machine();
2905 cpu_model = NULL;
2906 ram_size = 0;
2907 snapshot = 0;
2908 cyls = heads = secs = 0;
2909 translation = BIOS_ATA_TRANSLATION_AUTO;
2911 for (i = 0; i < MAX_NODES; i++) {
2912 node_mem[i] = 0;
2913 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2916 nb_numa_nodes = 0;
2917 nb_nics = 0;
2919 bdrv_init_with_whitelist();
2921 autostart= 1;
2923 /* first pass of option parsing */
2924 optind = 1;
2925 while (optind < argc) {
2926 if (argv[optind][0] != '-') {
2927 /* disk image */
2928 optind++;
2929 continue;
2930 } else {
2931 const QEMUOption *popt;
2933 popt = lookup_opt(argc, argv, &optarg, &optind);
2934 switch (popt->index) {
2935 case QEMU_OPTION_nodefconfig:
2936 defconfig = false;
2937 break;
2938 case QEMU_OPTION_nouserconfig:
2939 userconfig = false;
2940 break;
2945 if (defconfig) {
2946 int ret;
2947 ret = qemu_read_default_config_files(userconfig);
2948 if (ret < 0) {
2949 exit(1);
2953 /* second pass of option parsing */
2954 optind = 1;
2955 for(;;) {
2956 if (optind >= argc)
2957 break;
2958 if (argv[optind][0] != '-') {
2959 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2960 } else {
2961 const QEMUOption *popt;
2963 popt = lookup_opt(argc, argv, &optarg, &optind);
2964 if (!(popt->arch_mask & arch_type)) {
2965 printf("Option %s not supported for this target\n", popt->name);
2966 exit(1);
2968 switch(popt->index) {
2969 case QEMU_OPTION_M:
2970 machine = machine_parse(optarg);
2971 break;
2972 case QEMU_OPTION_no_kvm_irqchip: {
2973 olist = qemu_find_opts("machine");
2974 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2975 break;
2977 case QEMU_OPTION_cpu:
2978 /* hw initialization will check this */
2979 cpu_model = optarg;
2980 break;
2981 case QEMU_OPTION_hda:
2983 char buf[256];
2984 if (cyls == 0)
2985 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2986 else
2987 snprintf(buf, sizeof(buf),
2988 "%s,cyls=%d,heads=%d,secs=%d%s",
2989 HD_OPTS , cyls, heads, secs,
2990 translation == BIOS_ATA_TRANSLATION_LBA ?
2991 ",trans=lba" :
2992 translation == BIOS_ATA_TRANSLATION_NONE ?
2993 ",trans=none" : "");
2994 drive_add(IF_DEFAULT, 0, optarg, buf);
2995 break;
2997 case QEMU_OPTION_hdb:
2998 case QEMU_OPTION_hdc:
2999 case QEMU_OPTION_hdd:
3000 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3001 HD_OPTS);
3002 break;
3003 case QEMU_OPTION_drive:
3004 if (drive_def(optarg) == NULL) {
3005 exit(1);
3007 break;
3008 case QEMU_OPTION_set:
3009 if (qemu_set_option(optarg) != 0)
3010 exit(1);
3011 break;
3012 case QEMU_OPTION_global:
3013 if (qemu_global_option(optarg) != 0)
3014 exit(1);
3015 break;
3016 case QEMU_OPTION_mtdblock:
3017 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3018 break;
3019 case QEMU_OPTION_sd:
3020 drive_add(IF_SD, -1, optarg, SD_OPTS);
3021 break;
3022 case QEMU_OPTION_pflash:
3023 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3024 break;
3025 case QEMU_OPTION_snapshot:
3026 snapshot = 1;
3027 break;
3028 case QEMU_OPTION_hdachs:
3030 const char *p;
3031 p = optarg;
3032 cyls = strtol(p, (char **)&p, 0);
3033 if (cyls < 1 || cyls > 16383)
3034 goto chs_fail;
3035 if (*p != ',')
3036 goto chs_fail;
3037 p++;
3038 heads = strtol(p, (char **)&p, 0);
3039 if (heads < 1 || heads > 16)
3040 goto chs_fail;
3041 if (*p != ',')
3042 goto chs_fail;
3043 p++;
3044 secs = strtol(p, (char **)&p, 0);
3045 if (secs < 1 || secs > 63)
3046 goto chs_fail;
3047 if (*p == ',') {
3048 p++;
3049 if (!strcmp(p, "none"))
3050 translation = BIOS_ATA_TRANSLATION_NONE;
3051 else if (!strcmp(p, "lba"))
3052 translation = BIOS_ATA_TRANSLATION_LBA;
3053 else if (!strcmp(p, "auto"))
3054 translation = BIOS_ATA_TRANSLATION_AUTO;
3055 else
3056 goto chs_fail;
3057 } else if (*p != '\0') {
3058 chs_fail:
3059 fprintf(stderr, "qemu: invalid physical CHS format\n");
3060 exit(1);
3062 if (hda_opts != NULL) {
3063 char num[16];
3064 snprintf(num, sizeof(num), "%d", cyls);
3065 qemu_opt_set(hda_opts, "cyls", num);
3066 snprintf(num, sizeof(num), "%d", heads);
3067 qemu_opt_set(hda_opts, "heads", num);
3068 snprintf(num, sizeof(num), "%d", secs);
3069 qemu_opt_set(hda_opts, "secs", num);
3070 if (translation == BIOS_ATA_TRANSLATION_LBA)
3071 qemu_opt_set(hda_opts, "trans", "lba");
3072 if (translation == BIOS_ATA_TRANSLATION_NONE)
3073 qemu_opt_set(hda_opts, "trans", "none");
3076 break;
3077 case QEMU_OPTION_numa:
3078 numa_add(optarg);
3079 break;
3080 case QEMU_OPTION_display:
3081 display_type = select_display(optarg);
3082 break;
3083 case QEMU_OPTION_nographic:
3084 display_type = DT_NOGRAPHIC;
3085 break;
3086 case QEMU_OPTION_curses:
3087 #ifdef CONFIG_CURSES
3088 display_type = DT_CURSES;
3089 #else
3090 fprintf(stderr, "Curses support is disabled\n");
3091 exit(1);
3092 #endif
3093 break;
3094 case QEMU_OPTION_portrait:
3095 graphic_rotate = 90;
3096 break;
3097 case QEMU_OPTION_rotate:
3098 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3099 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3100 graphic_rotate != 180 && graphic_rotate != 270) {
3101 fprintf(stderr,
3102 "qemu: only 90, 180, 270 deg rotation is available\n");
3103 exit(1);
3105 break;
3106 case QEMU_OPTION_kernel:
3107 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3108 break;
3109 case QEMU_OPTION_initrd:
3110 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3111 break;
3112 case QEMU_OPTION_append:
3113 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3114 break;
3115 case QEMU_OPTION_dtb:
3116 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3117 break;
3118 case QEMU_OPTION_cdrom:
3119 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3120 break;
3121 case QEMU_OPTION_boot:
3123 static const char * const params[] = {
3124 "order", "once", "menu",
3125 "splash", "splash-time",
3126 "reboot-timeout", "strict", NULL
3128 char buf[sizeof(boot_devices)];
3129 char *standard_boot_devices;
3130 int legacy = 0;
3132 if (!strchr(optarg, '=')) {
3133 legacy = 1;
3134 pstrcpy(buf, sizeof(buf), optarg);
3135 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
3136 fprintf(stderr,
3137 "qemu: unknown boot parameter '%s' in '%s'\n",
3138 buf, optarg);
3139 exit(1);
3142 if (legacy ||
3143 get_param_value(buf, sizeof(buf), "order", optarg)) {
3144 validate_bootdevices(buf);
3145 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3147 if (!legacy) {
3148 if (get_param_value(buf, sizeof(buf),
3149 "once", optarg)) {
3150 validate_bootdevices(buf);
3151 standard_boot_devices = g_strdup(boot_devices);
3152 pstrcpy(boot_devices, sizeof(boot_devices), buf);
3153 qemu_register_reset(restore_boot_devices,
3154 standard_boot_devices);
3156 if (get_param_value(buf, sizeof(buf),
3157 "menu", optarg)) {
3158 if (!strcmp(buf, "on")) {
3159 boot_menu = 1;
3160 } else if (!strcmp(buf, "off")) {
3161 boot_menu = 0;
3162 } else {
3163 fprintf(stderr,
3164 "qemu: invalid option value '%s'\n",
3165 buf);
3166 exit(1);
3169 if (get_param_value(buf, sizeof(buf),
3170 "strict", optarg)) {
3171 if (!strcmp(buf, "on")) {
3172 boot_strict = true;
3173 } else if (!strcmp(buf, "off")) {
3174 boot_strict = false;
3175 } else {
3176 fprintf(stderr,
3177 "qemu: invalid option value '%s'\n",
3178 buf);
3179 exit(1);
3182 if (!qemu_opts_parse(qemu_find_opts("boot-opts"),
3183 optarg, 0)) {
3184 exit(1);
3188 break;
3189 case QEMU_OPTION_fda:
3190 case QEMU_OPTION_fdb:
3191 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3192 optarg, FD_OPTS);
3193 break;
3194 case QEMU_OPTION_no_fd_bootchk:
3195 fd_bootchk = 0;
3196 break;
3197 case QEMU_OPTION_netdev:
3198 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3199 exit(1);
3201 break;
3202 case QEMU_OPTION_net:
3203 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3204 exit(1);
3206 break;
3207 #ifdef CONFIG_LIBISCSI
3208 case QEMU_OPTION_iscsi:
3209 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3210 if (!opts) {
3211 exit(1);
3213 break;
3214 #endif
3215 #ifdef CONFIG_SLIRP
3216 case QEMU_OPTION_tftp:
3217 legacy_tftp_prefix = optarg;
3218 break;
3219 case QEMU_OPTION_bootp:
3220 legacy_bootp_filename = optarg;
3221 break;
3222 case QEMU_OPTION_redir:
3223 if (net_slirp_redir(optarg) < 0)
3224 exit(1);
3225 break;
3226 #endif
3227 case QEMU_OPTION_bt:
3228 add_device_config(DEV_BT, optarg);
3229 break;
3230 case QEMU_OPTION_audio_help:
3231 if (!(audio_available())) {
3232 printf("Option %s not supported for this target\n", popt->name);
3233 exit(1);
3235 AUD_help ();
3236 exit (0);
3237 break;
3238 case QEMU_OPTION_soundhw:
3239 if (!(audio_available())) {
3240 printf("Option %s not supported for this target\n", popt->name);
3241 exit(1);
3243 select_soundhw (optarg);
3244 break;
3245 case QEMU_OPTION_h:
3246 help(0);
3247 break;
3248 case QEMU_OPTION_version:
3249 version();
3250 exit(0);
3251 break;
3252 case QEMU_OPTION_m: {
3253 int64_t value;
3254 uint64_t sz;
3255 char *end;
3257 value = strtosz(optarg, &end);
3258 if (value < 0 || *end) {
3259 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3260 exit(1);
3262 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3263 ram_size = sz;
3264 if (ram_size != sz) {
3265 fprintf(stderr, "qemu: ram size too large\n");
3266 exit(1);
3268 break;
3270 #ifdef CONFIG_TPM
3271 case QEMU_OPTION_tpmdev:
3272 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3273 exit(1);
3275 break;
3276 #endif
3277 case QEMU_OPTION_mempath:
3278 mem_path = optarg;
3279 break;
3280 #ifdef MAP_POPULATE
3281 case QEMU_OPTION_mem_prealloc:
3282 mem_prealloc = 1;
3283 break;
3284 #endif
3285 case QEMU_OPTION_d:
3286 log_mask = optarg;
3287 break;
3288 case QEMU_OPTION_D:
3289 log_file = optarg;
3290 break;
3291 case QEMU_OPTION_s:
3292 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3293 break;
3294 case QEMU_OPTION_gdb:
3295 add_device_config(DEV_GDB, optarg);
3296 break;
3297 case QEMU_OPTION_L:
3298 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3299 data_dir[data_dir_idx++] = optarg;
3301 break;
3302 case QEMU_OPTION_bios:
3303 bios_name = optarg;
3304 break;
3305 case QEMU_OPTION_singlestep:
3306 singlestep = 1;
3307 break;
3308 case QEMU_OPTION_S:
3309 autostart = 0;
3310 break;
3311 case QEMU_OPTION_k:
3312 keyboard_layout = optarg;
3313 break;
3314 case QEMU_OPTION_localtime:
3315 rtc_utc = 0;
3316 break;
3317 case QEMU_OPTION_vga:
3318 vga_model = optarg;
3319 default_vga = 0;
3320 break;
3321 case QEMU_OPTION_g:
3323 const char *p;
3324 int w, h, depth;
3325 p = optarg;
3326 w = strtol(p, (char **)&p, 10);
3327 if (w <= 0) {
3328 graphic_error:
3329 fprintf(stderr, "qemu: invalid resolution or depth\n");
3330 exit(1);
3332 if (*p != 'x')
3333 goto graphic_error;
3334 p++;
3335 h = strtol(p, (char **)&p, 10);
3336 if (h <= 0)
3337 goto graphic_error;
3338 if (*p == 'x') {
3339 p++;
3340 depth = strtol(p, (char **)&p, 10);
3341 if (depth != 8 && depth != 15 && depth != 16 &&
3342 depth != 24 && depth != 32)
3343 goto graphic_error;
3344 } else if (*p == '\0') {
3345 depth = graphic_depth;
3346 } else {
3347 goto graphic_error;
3350 graphic_width = w;
3351 graphic_height = h;
3352 graphic_depth = depth;
3354 break;
3355 case QEMU_OPTION_echr:
3357 char *r;
3358 term_escape_char = strtol(optarg, &r, 0);
3359 if (r == optarg)
3360 printf("Bad argument to echr\n");
3361 break;
3363 case QEMU_OPTION_monitor:
3364 monitor_parse(optarg, "readline");
3365 default_monitor = 0;
3366 break;
3367 case QEMU_OPTION_qmp:
3368 monitor_parse(optarg, "control");
3369 default_monitor = 0;
3370 break;
3371 case QEMU_OPTION_mon:
3372 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3373 if (!opts) {
3374 exit(1);
3376 default_monitor = 0;
3377 break;
3378 case QEMU_OPTION_chardev:
3379 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3380 if (!opts) {
3381 exit(1);
3383 break;
3384 case QEMU_OPTION_fsdev:
3385 olist = qemu_find_opts("fsdev");
3386 if (!olist) {
3387 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3388 exit(1);
3390 opts = qemu_opts_parse(olist, optarg, 1);
3391 if (!opts) {
3392 exit(1);
3394 break;
3395 case QEMU_OPTION_virtfs: {
3396 QemuOpts *fsdev;
3397 QemuOpts *device;
3398 const char *writeout, *sock_fd, *socket;
3400 olist = qemu_find_opts("virtfs");
3401 if (!olist) {
3402 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3403 exit(1);
3405 opts = qemu_opts_parse(olist, optarg, 1);
3406 if (!opts) {
3407 exit(1);
3410 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3411 qemu_opt_get(opts, "mount_tag") == NULL) {
3412 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3413 exit(1);
3415 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3416 qemu_opt_get(opts, "mount_tag"),
3417 1, NULL);
3418 if (!fsdev) {
3419 fprintf(stderr, "duplicate fsdev id: %s\n",
3420 qemu_opt_get(opts, "mount_tag"));
3421 exit(1);
3424 writeout = qemu_opt_get(opts, "writeout");
3425 if (writeout) {
3426 #ifdef CONFIG_SYNC_FILE_RANGE
3427 qemu_opt_set(fsdev, "writeout", writeout);
3428 #else
3429 fprintf(stderr, "writeout=immediate not supported on "
3430 "this platform\n");
3431 exit(1);
3432 #endif
3434 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3435 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3436 qemu_opt_set(fsdev, "security_model",
3437 qemu_opt_get(opts, "security_model"));
3438 socket = qemu_opt_get(opts, "socket");
3439 if (socket) {
3440 qemu_opt_set(fsdev, "socket", socket);
3442 sock_fd = qemu_opt_get(opts, "sock_fd");
3443 if (sock_fd) {
3444 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3447 qemu_opt_set_bool(fsdev, "readonly",
3448 qemu_opt_get_bool(opts, "readonly", 0));
3449 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3450 qemu_opt_set(device, "driver", "virtio-9p-pci");
3451 qemu_opt_set(device, "fsdev",
3452 qemu_opt_get(opts, "mount_tag"));
3453 qemu_opt_set(device, "mount_tag",
3454 qemu_opt_get(opts, "mount_tag"));
3455 break;
3457 case QEMU_OPTION_virtfs_synth: {
3458 QemuOpts *fsdev;
3459 QemuOpts *device;
3461 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3462 1, NULL);
3463 if (!fsdev) {
3464 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3465 exit(1);
3467 qemu_opt_set(fsdev, "fsdriver", "synth");
3469 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3470 qemu_opt_set(device, "driver", "virtio-9p-pci");
3471 qemu_opt_set(device, "fsdev", "v_synth");
3472 qemu_opt_set(device, "mount_tag", "v_synth");
3473 break;
3475 case QEMU_OPTION_serial:
3476 add_device_config(DEV_SERIAL, optarg);
3477 default_serial = 0;
3478 if (strncmp(optarg, "mon:", 4) == 0) {
3479 default_monitor = 0;
3481 break;
3482 case QEMU_OPTION_watchdog:
3483 if (watchdog) {
3484 fprintf(stderr,
3485 "qemu: only one watchdog option may be given\n");
3486 return 1;
3488 watchdog = optarg;
3489 break;
3490 case QEMU_OPTION_watchdog_action:
3491 if (select_watchdog_action(optarg) == -1) {
3492 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3493 exit(1);
3495 break;
3496 case QEMU_OPTION_virtiocon:
3497 add_device_config(DEV_VIRTCON, optarg);
3498 default_virtcon = 0;
3499 if (strncmp(optarg, "mon:", 4) == 0) {
3500 default_monitor = 0;
3502 break;
3503 case QEMU_OPTION_parallel:
3504 add_device_config(DEV_PARALLEL, optarg);
3505 default_parallel = 0;
3506 if (strncmp(optarg, "mon:", 4) == 0) {
3507 default_monitor = 0;
3509 break;
3510 case QEMU_OPTION_debugcon:
3511 add_device_config(DEV_DEBUGCON, optarg);
3512 break;
3513 case QEMU_OPTION_loadvm:
3514 loadvm = optarg;
3515 break;
3516 case QEMU_OPTION_full_screen:
3517 full_screen = 1;
3518 break;
3519 #ifdef CONFIG_SDL
3520 case QEMU_OPTION_no_frame:
3521 no_frame = 1;
3522 break;
3523 case QEMU_OPTION_alt_grab:
3524 alt_grab = 1;
3525 break;
3526 case QEMU_OPTION_ctrl_grab:
3527 ctrl_grab = 1;
3528 break;
3529 case QEMU_OPTION_no_quit:
3530 no_quit = 1;
3531 break;
3532 case QEMU_OPTION_sdl:
3533 display_type = DT_SDL;
3534 break;
3535 #else
3536 case QEMU_OPTION_no_frame:
3537 case QEMU_OPTION_alt_grab:
3538 case QEMU_OPTION_ctrl_grab:
3539 case QEMU_OPTION_no_quit:
3540 case QEMU_OPTION_sdl:
3541 fprintf(stderr, "SDL support is disabled\n");
3542 exit(1);
3543 #endif
3544 case QEMU_OPTION_pidfile:
3545 pid_file = optarg;
3546 break;
3547 case QEMU_OPTION_win2k_hack:
3548 win2k_install_hack = 1;
3549 break;
3550 case QEMU_OPTION_rtc_td_hack: {
3551 static GlobalProperty slew_lost_ticks[] = {
3553 .driver = "mc146818rtc",
3554 .property = "lost_tick_policy",
3555 .value = "slew",
3557 { /* end of list */ }
3560 qdev_prop_register_global_list(slew_lost_ticks);
3561 break;
3563 case QEMU_OPTION_acpitable:
3564 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3565 g_assert(opts != NULL);
3566 do_acpitable_option(opts);
3567 break;
3568 case QEMU_OPTION_smbios:
3569 do_smbios_option(optarg);
3570 break;
3571 case QEMU_OPTION_enable_kvm:
3572 olist = qemu_find_opts("machine");
3573 qemu_opts_parse(olist, "accel=kvm", 0);
3574 break;
3575 case QEMU_OPTION_machine:
3576 olist = qemu_find_opts("machine");
3577 opts = qemu_opts_parse(olist, optarg, 1);
3578 if (!opts) {
3579 exit(1);
3581 optarg = qemu_opt_get(opts, "type");
3582 if (optarg) {
3583 machine = machine_parse(optarg);
3585 break;
3586 case QEMU_OPTION_no_kvm:
3587 olist = qemu_find_opts("machine");
3588 qemu_opts_parse(olist, "accel=tcg", 0);
3589 break;
3590 case QEMU_OPTION_no_kvm_pit: {
3591 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3592 "separately.\n");
3593 break;
3595 case QEMU_OPTION_no_kvm_pit_reinjection: {
3596 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3598 .driver = "kvm-pit",
3599 .property = "lost_tick_policy",
3600 .value = "discard",
3602 { /* end of list */ }
3605 fprintf(stderr, "Warning: option deprecated, use "
3606 "lost_tick_policy property of kvm-pit instead.\n");
3607 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3608 break;
3610 case QEMU_OPTION_usb:
3611 olist = qemu_find_opts("machine");
3612 qemu_opts_parse(olist, "usb=on", 0);
3613 break;
3614 case QEMU_OPTION_usbdevice:
3615 olist = qemu_find_opts("machine");
3616 qemu_opts_parse(olist, "usb=on", 0);
3617 add_device_config(DEV_USB, optarg);
3618 break;
3619 case QEMU_OPTION_device:
3620 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3621 exit(1);
3623 break;
3624 case QEMU_OPTION_smp:
3625 smp_parse(optarg);
3626 if (smp_cpus < 1) {
3627 fprintf(stderr, "Invalid number of CPUs\n");
3628 exit(1);
3630 if (max_cpus < smp_cpus) {
3631 fprintf(stderr, "maxcpus must be equal to or greater than "
3632 "smp\n");
3633 exit(1);
3635 if (max_cpus > 255) {
3636 fprintf(stderr, "Unsupported number of maxcpus\n");
3637 exit(1);
3639 break;
3640 case QEMU_OPTION_vnc:
3641 #ifdef CONFIG_VNC
3642 display_remote++;
3643 vnc_display = optarg;
3644 #else
3645 fprintf(stderr, "VNC support is disabled\n");
3646 exit(1);
3647 #endif
3648 break;
3649 case QEMU_OPTION_no_acpi:
3650 acpi_enabled = 0;
3651 break;
3652 case QEMU_OPTION_no_hpet:
3653 no_hpet = 1;
3654 break;
3655 case QEMU_OPTION_balloon:
3656 if (balloon_parse(optarg) < 0) {
3657 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3658 exit(1);
3660 break;
3661 case QEMU_OPTION_no_reboot:
3662 no_reboot = 1;
3663 break;
3664 case QEMU_OPTION_no_shutdown:
3665 no_shutdown = 1;
3666 break;
3667 case QEMU_OPTION_show_cursor:
3668 cursor_hide = 0;
3669 break;
3670 case QEMU_OPTION_uuid:
3671 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3672 fprintf(stderr, "Fail to parse UUID string."
3673 " Wrong format.\n");
3674 exit(1);
3676 break;
3677 case QEMU_OPTION_option_rom:
3678 if (nb_option_roms >= MAX_OPTION_ROMS) {
3679 fprintf(stderr, "Too many option ROMs\n");
3680 exit(1);
3682 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3683 if (!opts) {
3684 exit(1);
3686 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3687 option_rom[nb_option_roms].bootindex =
3688 qemu_opt_get_number(opts, "bootindex", -1);
3689 if (!option_rom[nb_option_roms].name) {
3690 fprintf(stderr, "Option ROM file is not specified\n");
3691 exit(1);
3693 nb_option_roms++;
3694 break;
3695 case QEMU_OPTION_semihosting:
3696 semihosting_enabled = 1;
3697 break;
3698 case QEMU_OPTION_tdf:
3699 fprintf(stderr, "Warning: user space PIT time drift fix "
3700 "is no longer supported.\n");
3701 break;
3702 case QEMU_OPTION_name:
3703 qemu_name = g_strdup(optarg);
3705 char *p = strchr(qemu_name, ',');
3706 if (p != NULL) {
3707 *p++ = 0;
3708 if (strncmp(p, "process=", 8)) {
3709 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3710 exit(1);
3712 p += 8;
3713 os_set_proc_name(p);
3716 break;
3717 case QEMU_OPTION_prom_env:
3718 if (nb_prom_envs >= MAX_PROM_ENVS) {
3719 fprintf(stderr, "Too many prom variables\n");
3720 exit(1);
3722 prom_envs[nb_prom_envs] = optarg;
3723 nb_prom_envs++;
3724 break;
3725 case QEMU_OPTION_old_param:
3726 old_param = 1;
3727 break;
3728 case QEMU_OPTION_clock:
3729 configure_alarms(optarg);
3730 break;
3731 case QEMU_OPTION_startdate:
3732 configure_rtc_date_offset(optarg, 1);
3733 break;
3734 case QEMU_OPTION_rtc:
3735 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3736 if (!opts) {
3737 exit(1);
3739 configure_rtc(opts);
3740 break;
3741 case QEMU_OPTION_tb_size:
3742 tcg_tb_size = strtol(optarg, NULL, 0);
3743 if (tcg_tb_size < 0) {
3744 tcg_tb_size = 0;
3746 break;
3747 case QEMU_OPTION_icount:
3748 icount_option = optarg;
3749 break;
3750 case QEMU_OPTION_incoming:
3751 incoming = optarg;
3752 runstate_set(RUN_STATE_INMIGRATE);
3753 break;
3754 case QEMU_OPTION_nodefaults:
3755 default_serial = 0;
3756 default_parallel = 0;
3757 default_virtcon = 0;
3758 default_sclp = 0;
3759 default_monitor = 0;
3760 default_net = 0;
3761 default_floppy = 0;
3762 default_cdrom = 0;
3763 default_sdcard = 0;
3764 default_vga = 0;
3765 break;
3766 case QEMU_OPTION_xen_domid:
3767 if (!(xen_available())) {
3768 printf("Option %s not supported for this target\n", popt->name);
3769 exit(1);
3771 xen_domid = atoi(optarg);
3772 break;
3773 case QEMU_OPTION_xen_create:
3774 if (!(xen_available())) {
3775 printf("Option %s not supported for this target\n", popt->name);
3776 exit(1);
3778 xen_mode = XEN_CREATE;
3779 break;
3780 case QEMU_OPTION_xen_attach:
3781 if (!(xen_available())) {
3782 printf("Option %s not supported for this target\n", popt->name);
3783 exit(1);
3785 xen_mode = XEN_ATTACH;
3786 break;
3787 case QEMU_OPTION_trace:
3789 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3790 if (!opts) {
3791 exit(1);
3793 trace_events = qemu_opt_get(opts, "events");
3794 trace_file = qemu_opt_get(opts, "file");
3795 break;
3797 case QEMU_OPTION_readconfig:
3799 int ret = qemu_read_config_file(optarg);
3800 if (ret < 0) {
3801 fprintf(stderr, "read config %s: %s\n", optarg,
3802 strerror(-ret));
3803 exit(1);
3805 break;
3807 case QEMU_OPTION_spice:
3808 olist = qemu_find_opts("spice");
3809 if (!olist) {
3810 fprintf(stderr, "spice is not supported by this qemu build.\n");
3811 exit(1);
3813 opts = qemu_opts_parse(olist, optarg, 0);
3814 if (!opts) {
3815 exit(1);
3817 display_remote++;
3818 break;
3819 case QEMU_OPTION_writeconfig:
3821 FILE *fp;
3822 if (strcmp(optarg, "-") == 0) {
3823 fp = stdout;
3824 } else {
3825 fp = fopen(optarg, "w");
3826 if (fp == NULL) {
3827 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3828 exit(1);
3831 qemu_config_write(fp);
3832 fclose(fp);
3833 break;
3835 case QEMU_OPTION_qtest:
3836 qtest_chrdev = optarg;
3837 break;
3838 case QEMU_OPTION_qtest_log:
3839 qtest_log = optarg;
3840 break;
3841 case QEMU_OPTION_sandbox:
3842 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3843 if (!opts) {
3844 exit(1);
3846 break;
3847 case QEMU_OPTION_add_fd:
3848 #ifndef _WIN32
3849 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3850 if (!opts) {
3851 exit(1);
3853 #else
3854 error_report("File descriptor passing is disabled on this "
3855 "platform");
3856 exit(1);
3857 #endif
3858 break;
3859 case QEMU_OPTION_object:
3860 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3861 if (!opts) {
3862 exit(1);
3864 break;
3865 case QEMU_OPTION_realtime:
3866 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3867 if (!opts) {
3868 exit(1);
3870 configure_realtime(opts);
3871 break;
3872 default:
3873 os_parse_cmd_args(popt->index, optarg);
3877 loc_set_none();
3879 if (qemu_init_main_loop()) {
3880 fprintf(stderr, "qemu_init_main_loop failed\n");
3881 exit(1);
3884 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3885 exit(1);
3888 #ifndef _WIN32
3889 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3890 exit(1);
3893 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3894 exit(1);
3896 #endif
3898 if (machine == NULL) {
3899 fprintf(stderr, "No machine found.\n");
3900 exit(1);
3903 if (machine->hw_version) {
3904 qemu_set_version(machine->hw_version);
3907 if (qemu_opts_foreach(qemu_find_opts("object"),
3908 object_create, NULL, 0) != 0) {
3909 exit(1);
3912 /* Init CPU def lists, based on config
3913 * - Must be called after all the qemu_read_config_file() calls
3914 * - Must be called before list_cpus()
3915 * - Must be called before machine->init()
3917 cpudef_init();
3919 if (cpu_model && is_help_option(cpu_model)) {
3920 list_cpus(stdout, &fprintf, cpu_model);
3921 exit(0);
3924 /* Open the logfile at this point, if necessary. We can't open the logfile
3925 * when encountering either of the logging options (-d or -D) because the
3926 * other one may be encountered later on the command line, changing the
3927 * location or level of logging.
3929 if (log_mask) {
3930 int mask;
3931 if (log_file) {
3932 qemu_set_log_filename(log_file);
3935 mask = qemu_str_to_log_mask(log_mask);
3936 if (!mask) {
3937 qemu_print_log_usage(stdout);
3938 exit(1);
3940 qemu_set_log(mask);
3943 if (!trace_backend_init(trace_events, trace_file)) {
3944 exit(1);
3947 /* If no data_dir is specified then try to find it relative to the
3948 executable path. */
3949 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3950 data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3951 if (data_dir[data_dir_idx] != NULL) {
3952 data_dir_idx++;
3955 /* If all else fails use the install path specified when building. */
3956 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3957 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3961 * Default to max_cpus = smp_cpus, in case the user doesn't
3962 * specify a max_cpus value.
3964 if (!max_cpus)
3965 max_cpus = smp_cpus;
3967 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3968 if (smp_cpus > machine->max_cpus) {
3969 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3970 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3971 machine->max_cpus);
3972 exit(1);
3976 * Get the default machine options from the machine if it is not already
3977 * specified either by the configuration file or by the command line.
3979 if (machine->default_machine_opts) {
3980 qemu_opts_set_defaults(qemu_find_opts("machine"),
3981 machine->default_machine_opts, 0);
3984 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3985 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3987 if (machine->no_serial) {
3988 default_serial = 0;
3990 if (machine->no_parallel) {
3991 default_parallel = 0;
3993 if (!machine->use_virtcon) {
3994 default_virtcon = 0;
3996 if (!machine->use_sclp) {
3997 default_sclp = 0;
3999 if (machine->no_floppy) {
4000 default_floppy = 0;
4002 if (machine->no_cdrom) {
4003 default_cdrom = 0;
4005 if (machine->no_sdcard) {
4006 default_sdcard = 0;
4009 if (is_daemonized()) {
4010 /* According to documentation and historically, -nographic redirects
4011 * serial port, parallel port and monitor to stdio, which does not work
4012 * with -daemonize. We can redirect these to null instead, but since
4013 * -nographic is legacy, let's just error out.
4014 * We disallow -nographic only if all other ports are not redirected
4015 * explicitly, to not break existing legacy setups which uses
4016 * -nographic _and_ redirects all ports explicitly - this is valid
4017 * usage, -nographic is just a no-op in this case.
4019 if (display_type == DT_NOGRAPHIC
4020 && (default_parallel || default_serial
4021 || default_monitor || default_virtcon)) {
4022 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4023 exit(1);
4025 #ifdef CONFIG_CURSES
4026 if (display_type == DT_CURSES) {
4027 fprintf(stderr, "curses display can not be used with -daemonize\n");
4028 exit(1);
4030 #endif
4033 if (display_type == DT_NOGRAPHIC) {
4034 if (default_parallel)
4035 add_device_config(DEV_PARALLEL, "null");
4036 if (default_serial && default_monitor) {
4037 add_device_config(DEV_SERIAL, "mon:stdio");
4038 } else if (default_virtcon && default_monitor) {
4039 add_device_config(DEV_VIRTCON, "mon:stdio");
4040 } else if (default_sclp && default_monitor) {
4041 add_device_config(DEV_SCLP, "mon:stdio");
4042 } else {
4043 if (default_serial)
4044 add_device_config(DEV_SERIAL, "stdio");
4045 if (default_virtcon)
4046 add_device_config(DEV_VIRTCON, "stdio");
4047 if (default_sclp) {
4048 add_device_config(DEV_SCLP, "stdio");
4050 if (default_monitor)
4051 monitor_parse("stdio", "readline");
4053 } else {
4054 if (default_serial)
4055 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4056 if (default_parallel)
4057 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4058 if (default_monitor)
4059 monitor_parse("vc:80Cx24C", "readline");
4060 if (default_virtcon)
4061 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4062 if (default_sclp) {
4063 add_device_config(DEV_SCLP, "vc:80Cx24C");
4067 if (display_type == DT_DEFAULT && !display_remote) {
4068 #if defined(CONFIG_GTK)
4069 display_type = DT_GTK;
4070 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4071 display_type = DT_SDL;
4072 #elif defined(CONFIG_VNC)
4073 vnc_display = "localhost:0,to=99";
4074 show_vnc_port = 1;
4075 #else
4076 display_type = DT_NONE;
4077 #endif
4080 #if defined(CONFIG_GTK)
4081 if (display_type == DT_GTK) {
4082 early_gtk_display_init();
4084 #endif
4086 socket_init();
4088 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4089 exit(1);
4090 #ifdef CONFIG_VIRTFS
4091 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4092 exit(1);
4094 #endif
4096 os_daemonize();
4098 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4099 os_pidfile_error();
4100 exit(1);
4103 /* init the memory */
4104 if (ram_size == 0) {
4105 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4108 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4109 != 0) {
4110 exit(0);
4113 configure_accelerator();
4115 if (!qtest_enabled() && qtest_chrdev) {
4116 qtest_init();
4119 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
4120 if (machine_opts) {
4121 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4122 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4123 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4124 } else {
4125 kernel_filename = initrd_filename = kernel_cmdline = NULL;
4128 if (!kernel_cmdline) {
4129 kernel_cmdline = "";
4132 linux_boot = (kernel_filename != NULL);
4134 if (!linux_boot && *kernel_cmdline != '\0') {
4135 fprintf(stderr, "-append only allowed with -kernel option\n");
4136 exit(1);
4139 if (!linux_boot && initrd_filename != NULL) {
4140 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4141 exit(1);
4144 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
4145 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4146 exit(1);
4149 os_set_line_buffering();
4151 qemu_init_cpu_loop();
4152 qemu_mutex_lock_iothread();
4154 #ifdef CONFIG_SPICE
4155 /* spice needs the timers to be initialized by this point */
4156 qemu_spice_init();
4157 #endif
4159 if (icount_option && (kvm_enabled() || xen_enabled())) {
4160 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4161 exit(1);
4163 configure_icount(icount_option);
4165 /* clean up network at qemu process termination */
4166 atexit(&net_cleanup);
4168 if (net_init_clients() < 0) {
4169 exit(1);
4172 #ifdef CONFIG_TPM
4173 if (tpm_init() < 0) {
4174 exit(1);
4176 #endif
4178 /* init the bluetooth world */
4179 if (foreach_device_config(DEV_BT, bt_parse))
4180 exit(1);
4182 if (!xen_enabled()) {
4183 /* On 32-bit hosts, QEMU is limited by virtual address space */
4184 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4185 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4186 exit(1);
4190 cpu_exec_init_all();
4192 blk_mig_init();
4194 /* open the virtual block devices */
4195 if (snapshot)
4196 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4197 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4198 &machine->block_default_type, 1) != 0) {
4199 exit(1);
4202 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4203 CDROM_OPTS);
4204 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4205 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4207 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4209 if (nb_numa_nodes > 0) {
4210 int i;
4212 if (nb_numa_nodes > MAX_NODES) {
4213 nb_numa_nodes = MAX_NODES;
4216 /* If no memory size if given for any node, assume the default case
4217 * and distribute the available memory equally across all nodes
4219 for (i = 0; i < nb_numa_nodes; i++) {
4220 if (node_mem[i] != 0)
4221 break;
4223 if (i == nb_numa_nodes) {
4224 uint64_t usedmem = 0;
4226 /* On Linux, the each node's border has to be 8MB aligned,
4227 * the final node gets the rest.
4229 for (i = 0; i < nb_numa_nodes - 1; i++) {
4230 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4231 usedmem += node_mem[i];
4233 node_mem[i] = ram_size - usedmem;
4236 for (i = 0; i < nb_numa_nodes; i++) {
4237 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4238 break;
4241 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4242 * must cope with this anyway, because there are BIOSes out there in
4243 * real machines which also use this scheme.
4245 if (i == nb_numa_nodes) {
4246 for (i = 0; i < max_cpus; i++) {
4247 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4252 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4253 exit(1);
4256 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4257 exit(1);
4258 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4259 exit(1);
4260 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4261 exit(1);
4262 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4263 exit(1);
4265 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4266 exit(1);
4268 /* If no default VGA is requested, the default is "none". */
4269 if (default_vga) {
4270 if (cirrus_vga_available()) {
4271 vga_model = "cirrus";
4272 } else if (vga_available()) {
4273 vga_model = "std";
4276 select_vgahw(vga_model);
4278 if (watchdog) {
4279 i = select_watchdog(watchdog);
4280 if (i > 0)
4281 exit (i == 1 ? 1 : 0);
4284 if (machine->compat_props) {
4285 qdev_prop_register_global_list(machine->compat_props);
4287 qemu_add_globals();
4289 qdev_machine_init();
4291 QEMUMachineInitArgs args = { .ram_size = ram_size,
4292 .boot_device = (boot_devices[0] == '\0') ?
4293 machine->boot_order :
4294 boot_devices,
4295 .kernel_filename = kernel_filename,
4296 .kernel_cmdline = kernel_cmdline,
4297 .initrd_filename = initrd_filename,
4298 .cpu_model = cpu_model };
4299 machine->init(&args);
4301 cpu_synchronize_all_post_init();
4303 set_numa_modes();
4305 current_machine = machine;
4307 /* init USB devices */
4308 if (usb_enabled(false)) {
4309 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4310 exit(1);
4313 /* init generic devices */
4314 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4315 exit(1);
4317 net_check_clients();
4319 ds = init_displaystate();
4321 /* init local displays */
4322 switch (display_type) {
4323 case DT_NOGRAPHIC:
4324 break;
4325 #if defined(CONFIG_CURSES)
4326 case DT_CURSES:
4327 curses_display_init(ds, full_screen);
4328 break;
4329 #endif
4330 #if defined(CONFIG_SDL)
4331 case DT_SDL:
4332 sdl_display_init(ds, full_screen, no_frame);
4333 break;
4334 #elif defined(CONFIG_COCOA)
4335 case DT_SDL:
4336 cocoa_display_init(ds, full_screen);
4337 break;
4338 #endif
4339 #if defined(CONFIG_GTK)
4340 case DT_GTK:
4341 gtk_display_init(ds);
4342 break;
4343 #endif
4344 default:
4345 break;
4348 /* must be after terminal init, SDL library changes signal handlers */
4349 os_setup_signal_handling();
4351 #ifdef CONFIG_VNC
4352 /* init remote displays */
4353 if (vnc_display) {
4354 Error *local_err = NULL;
4355 vnc_display_init(ds);
4356 vnc_display_open(ds, vnc_display, &local_err);
4357 if (local_err != NULL) {
4358 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
4359 vnc_display, error_get_pretty(local_err));
4360 error_free(local_err);
4361 exit(1);
4364 if (show_vnc_port) {
4365 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4368 #endif
4369 #ifdef CONFIG_SPICE
4370 if (using_spice && !qxl_enabled) {
4371 qemu_spice_display_init(ds);
4373 #endif
4375 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4376 exit(1);
4379 qdev_machine_creation_done();
4381 if (rom_load_all() != 0) {
4382 fprintf(stderr, "rom loading failed\n");
4383 exit(1);
4386 /* TODO: once all bus devices are qdevified, this should be done
4387 * when bus is created by qdev.c */
4388 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4389 qemu_run_machine_init_done_notifiers();
4391 qemu_system_reset(VMRESET_SILENT);
4392 if (loadvm) {
4393 if (load_vmstate(loadvm) < 0) {
4394 autostart = 0;
4398 if (incoming) {
4399 Error *local_err = NULL;
4400 qemu_start_incoming_migration(incoming, &local_err);
4401 if (local_err) {
4402 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
4403 error_free(local_err);
4404 exit(1);
4406 } else if (autostart) {
4407 vm_start();
4410 os_setup_post();
4412 resume_all_vcpus();
4413 main_loop();
4414 bdrv_close_all();
4415 pause_all_vcpus();
4416 res_free();
4417 #ifdef CONFIG_TPM
4418 tpm_cleanup();
4419 #endif
4421 return 0;