rules: Remove -Wno-override-init from CXXFLAGS
[qemu/ar7.git] / vl.c
blobd9a4b20137bd845252921cc4d608b1713e96b17d
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 #ifndef _WIN32
93 # define CONFIG_CHROOT
94 #endif
96 #ifdef _WIN32
97 #include <windows.h>
98 #endif
100 #ifdef CONFIG_SDL
101 #if defined(__APPLE__) || defined(main)
102 #include <SDL.h>
103 int qemu_main(int argc, char **argv);
104 int main(int argc, char **argv)
106 return qemu_main(argc, argv);
108 #undef main
109 #define main qemu_main
110 #endif
111 #endif /* CONFIG_SDL */
113 #ifdef CONFIG_COCOA
114 #undef main
115 #define main qemu_main
116 #endif /* CONFIG_COCOA */
118 #include <glib.h>
120 #include "hw/hw.h"
121 #include "hw/boards.h"
122 #include "hw/usb.h"
123 #include "hw/pcmcia.h"
124 #include "hw/i386/pc.h"
125 #include "hw/isa/isa.h"
126 #include "hw/bt.h"
127 #include "sysemu/watchdog.h"
128 #include "hw/i386/smbios.h"
129 #include "hw/xen/xen.h"
130 #include "hw/qdev.h"
131 #include "hw/loader.h"
132 #include "monitor/qdev.h"
133 #include "sysemu/bt.h"
134 #include "net/net.h"
135 #include "net/slirp.h"
136 #include "monitor/monitor.h"
137 #include "ui/console.h"
138 #include "sysemu/sysemu.h"
139 #include "exec/gdbstub.h"
140 #include "qemu/timer.h"
141 #include "sysemu/char.h"
142 #include "qemu/cache-utils.h"
143 #include "sysemu/blockdev.h"
144 #include "hw/block/block.h"
145 #include "migration/block.h"
146 #include "sysemu/tpm.h"
147 #include "sysemu/dma.h"
148 #include "audio/audio.h"
149 #include "migration/migration.h"
150 #include "sysemu/kvm.h"
151 #include "qapi/qmp/qjson.h"
152 #include "qemu/option.h"
153 #include "qemu/config-file.h"
154 #include "qemu-options.h"
155 #include "qmp-commands.h"
156 #include "qemu/main-loop.h"
157 #ifdef CONFIG_VIRTFS
158 #include "fsdev/qemu-fsdev.h"
159 #endif
160 #include "sysemu/qtest.h"
162 #include "disas/disas.h"
164 #include "qemu/sockets.h"
166 #include "slirp/libslirp.h"
168 #include "trace.h"
169 #include "trace/control.h"
170 #include "qemu/queue.h"
171 #include "sysemu/cpus.h"
172 #include "sysemu/arch_init.h"
173 #include "qemu/osdep.h"
175 #include "ui/qemu-spice.h"
176 #include "qapi/string-input-visitor.h"
177 #include "qom/object_interfaces.h"
179 //#define DEBUG_NET
180 //#define DEBUG_SLIRP
182 #define DEFAULT_RAM_SIZE 128
184 #define MAX_VIRTIO_CONSOLES 1
185 #define MAX_SCLP_CONSOLES 1
187 static const char *data_dir[16];
188 static int data_dir_idx;
189 const char *bios_name = NULL;
190 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
191 DisplayType display_type = DT_DEFAULT;
192 static int display_remote;
193 const char* keyboard_layout = NULL;
194 ram_addr_t ram_size;
195 const char *mem_path = NULL;
196 int mem_prealloc = 0; /* force preallocation of physical target memory */
197 int nb_nics;
198 NICInfo nd_table[MAX_NICS];
199 int autostart;
200 static int rtc_utc = 1;
201 static int rtc_date_offset = -1; /* -1 means no change */
202 QEMUClockType rtc_clock;
203 int vga_interface_type = VGA_NONE;
204 static int full_screen = 0;
205 static int no_frame = 0;
206 int no_quit = 0;
207 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
208 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
209 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
210 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
211 int win2k_install_hack = 0;
212 int singlestep = 0;
213 int smp_cpus = 1;
214 int max_cpus = 0;
215 int smp_cores = 1;
216 int smp_threads = 1;
217 #ifdef CONFIG_VNC
218 const char *vnc_display;
219 #endif
220 int acpi_enabled = 1;
221 int no_hpet = 0;
222 int fd_bootchk = 1;
223 static int no_reboot;
224 int no_shutdown = 0;
225 int cursor_hide = 1;
226 int graphic_rotate = 0;
227 const char *watchdog;
228 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
229 int nb_option_roms;
230 int semihosting_enabled = 0;
231 int old_param = 0;
232 const char *qemu_name;
233 int alt_grab = 0;
234 int ctrl_grab = 0;
235 unsigned int nb_prom_envs = 0;
236 const char *prom_envs[MAX_PROM_ENVS];
237 int boot_menu;
238 static bool boot_strict;
239 uint8_t *boot_splash_filedata;
240 size_t boot_splash_filedata_size;
241 uint8_t qemu_extra_params_fw[2];
243 typedef struct FWBootEntry FWBootEntry;
245 struct FWBootEntry {
246 QTAILQ_ENTRY(FWBootEntry) link;
247 int32_t bootindex;
248 DeviceState *dev;
249 char *suffix;
252 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
253 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
255 int nb_numa_nodes;
256 uint64_t node_mem[MAX_NODES];
257 unsigned long *node_cpumask[MAX_NODES];
259 uint8_t qemu_uuid[16];
260 bool qemu_uuid_set;
262 /* Trace unassigned memory or i/o accesses. */
263 bool trace_unassigned;
265 static QEMUBootSetHandler *boot_set_handler;
266 static void *boot_set_opaque;
268 static NotifierList exit_notifiers =
269 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
271 static NotifierList machine_init_done_notifiers =
272 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
274 static bool tcg_allowed = true;
275 bool xen_allowed;
276 uint32_t xen_domid;
277 enum xen_mode xen_mode = XEN_EMULATE;
278 static int tcg_tb_size;
280 static int default_serial = 1;
281 static int default_parallel = 1;
282 static int default_virtcon = 1;
283 static int default_sclp = 1;
284 static int default_monitor = 1;
285 static int default_floppy = 1;
286 static int default_cdrom = 1;
287 static int default_sdcard = 1;
288 static int default_vga = 1;
290 static struct {
291 const char *driver;
292 int *flag;
293 } default_list[] = {
294 { .driver = "isa-serial", .flag = &default_serial },
295 { .driver = "isa-parallel", .flag = &default_parallel },
296 { .driver = "isa-fdc", .flag = &default_floppy },
297 { .driver = "ide-cd", .flag = &default_cdrom },
298 { .driver = "ide-hd", .flag = &default_cdrom },
299 { .driver = "ide-drive", .flag = &default_cdrom },
300 { .driver = "scsi-cd", .flag = &default_cdrom },
301 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
302 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
303 { .driver = "virtio-serial", .flag = &default_virtcon },
304 { .driver = "VGA", .flag = &default_vga },
305 { .driver = "isa-vga", .flag = &default_vga },
306 { .driver = "cirrus-vga", .flag = &default_vga },
307 { .driver = "isa-cirrus-vga", .flag = &default_vga },
308 { .driver = "vmware-svga", .flag = &default_vga },
309 { .driver = "qxl-vga", .flag = &default_vga },
312 static QemuOptsList qemu_rtc_opts = {
313 .name = "rtc",
314 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
315 .desc = {
317 .name = "base",
318 .type = QEMU_OPT_STRING,
320 .name = "clock",
321 .type = QEMU_OPT_STRING,
323 .name = "driftfix",
324 .type = QEMU_OPT_STRING,
326 { /* end of list */ }
330 static QemuOptsList qemu_sandbox_opts = {
331 .name = "sandbox",
332 .implied_opt_name = "enable",
333 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
334 .desc = {
336 .name = "enable",
337 .type = QEMU_OPT_BOOL,
339 { /* end of list */ }
343 static QemuOptsList qemu_trace_opts = {
344 .name = "trace",
345 .implied_opt_name = "trace",
346 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
347 .desc = {
349 .name = "events",
350 .type = QEMU_OPT_STRING,
352 .name = "file",
353 .type = QEMU_OPT_STRING,
355 { /* end of list */ }
359 static QemuOptsList qemu_option_rom_opts = {
360 .name = "option-rom",
361 .implied_opt_name = "romfile",
362 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
363 .desc = {
365 .name = "bootindex",
366 .type = QEMU_OPT_NUMBER,
367 }, {
368 .name = "romfile",
369 .type = QEMU_OPT_STRING,
371 { /* end of list */ }
375 static QemuOptsList qemu_machine_opts = {
376 .name = "machine",
377 .implied_opt_name = "type",
378 .merge_lists = true,
379 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
380 .desc = {
382 .name = "type",
383 .type = QEMU_OPT_STRING,
384 .help = "emulated machine"
385 }, {
386 .name = "accel",
387 .type = QEMU_OPT_STRING,
388 .help = "accelerator list",
389 }, {
390 .name = "kernel_irqchip",
391 .type = QEMU_OPT_BOOL,
392 .help = "use KVM in-kernel irqchip",
393 }, {
394 .name = "kvm_shadow_mem",
395 .type = QEMU_OPT_SIZE,
396 .help = "KVM shadow MMU size",
397 }, {
398 .name = "kernel",
399 .type = QEMU_OPT_STRING,
400 .help = "Linux kernel image file",
401 }, {
402 .name = "initrd",
403 .type = QEMU_OPT_STRING,
404 .help = "Linux initial ramdisk file",
405 }, {
406 .name = "append",
407 .type = QEMU_OPT_STRING,
408 .help = "Linux kernel command line",
409 }, {
410 .name = "dtb",
411 .type = QEMU_OPT_STRING,
412 .help = "Linux kernel device tree file",
413 }, {
414 .name = "dumpdtb",
415 .type = QEMU_OPT_STRING,
416 .help = "Dump current dtb to a file and quit",
417 }, {
418 .name = "phandle_start",
419 .type = QEMU_OPT_NUMBER,
420 .help = "The first phandle ID we may generate dynamically",
421 }, {
422 .name = "dt_compatible",
423 .type = QEMU_OPT_STRING,
424 .help = "Overrides the \"compatible\" property of the dt root node",
425 }, {
426 .name = "dump-guest-core",
427 .type = QEMU_OPT_BOOL,
428 .help = "Include guest memory in a core dump",
429 }, {
430 .name = "mem-merge",
431 .type = QEMU_OPT_BOOL,
432 .help = "enable/disable memory merge support",
434 .name = "usb",
435 .type = QEMU_OPT_BOOL,
436 .help = "Set on/off to enable/disable usb",
438 .name = "firmware",
439 .type = QEMU_OPT_STRING,
440 .help = "firmware image",
442 { /* End of list */ }
446 static QemuOptsList qemu_boot_opts = {
447 .name = "boot-opts",
448 .implied_opt_name = "order",
449 .merge_lists = true,
450 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
451 .desc = {
453 .name = "order",
454 .type = QEMU_OPT_STRING,
455 }, {
456 .name = "once",
457 .type = QEMU_OPT_STRING,
458 }, {
459 .name = "menu",
460 .type = QEMU_OPT_BOOL,
461 }, {
462 .name = "splash",
463 .type = QEMU_OPT_STRING,
464 }, {
465 .name = "splash-time",
466 .type = QEMU_OPT_STRING,
467 }, {
468 .name = "reboot-timeout",
469 .type = QEMU_OPT_STRING,
470 }, {
471 .name = "strict",
472 .type = QEMU_OPT_BOOL,
474 { /*End of list */ }
478 static QemuOptsList qemu_add_fd_opts = {
479 .name = "add-fd",
480 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
481 .desc = {
483 .name = "fd",
484 .type = QEMU_OPT_NUMBER,
485 .help = "file descriptor of which a duplicate is added to fd set",
487 .name = "set",
488 .type = QEMU_OPT_NUMBER,
489 .help = "ID of the fd set to add fd to",
491 .name = "opaque",
492 .type = QEMU_OPT_STRING,
493 .help = "free-form string used to describe fd",
495 { /* end of list */ }
499 static QemuOptsList qemu_object_opts = {
500 .name = "object",
501 .implied_opt_name = "qom-type",
502 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
503 .desc = {
508 static QemuOptsList qemu_tpmdev_opts = {
509 .name = "tpmdev",
510 .implied_opt_name = "type",
511 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
512 .desc = {
513 /* options are defined in the TPM backends */
514 { /* end of list */ }
518 static QemuOptsList qemu_realtime_opts = {
519 .name = "realtime",
520 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
521 .desc = {
523 .name = "mlock",
524 .type = QEMU_OPT_BOOL,
526 { /* end of list */ }
530 static QemuOptsList qemu_msg_opts = {
531 .name = "msg",
532 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
533 .desc = {
535 .name = "timestamp",
536 .type = QEMU_OPT_BOOL,
538 { /* end of list */ }
543 * Get machine options
545 * Returns: machine options (never null).
547 QemuOpts *qemu_get_machine_opts(void)
549 QemuOptsList *list;
550 QemuOpts *opts;
552 list = qemu_find_opts("machine");
553 assert(list);
554 opts = qemu_opts_find(list, NULL);
555 if (!opts) {
556 opts = qemu_opts_create(list, NULL, 0, &error_abort);
558 return opts;
561 const char *qemu_get_vm_name(void)
563 return qemu_name;
566 static void res_free(void)
568 if (boot_splash_filedata != NULL) {
569 g_free(boot_splash_filedata);
570 boot_splash_filedata = NULL;
574 static int default_driver_check(QemuOpts *opts, void *opaque)
576 const char *driver = qemu_opt_get(opts, "driver");
577 int i;
579 if (!driver)
580 return 0;
581 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
582 if (strcmp(default_list[i].driver, driver) != 0)
583 continue;
584 *(default_list[i].flag) = 0;
586 return 0;
589 /***********************************************************/
590 /* QEMU state */
592 static RunState current_run_state = RUN_STATE_PRELAUNCH;
594 typedef struct {
595 RunState from;
596 RunState to;
597 } RunStateTransition;
599 static const RunStateTransition runstate_transitions_def[] = {
600 /* from -> to */
601 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
602 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
605 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
607 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
608 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
611 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
613 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
614 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
616 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
617 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
619 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
620 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
623 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
624 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
626 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
628 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
629 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
630 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
631 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
632 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
634 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
635 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
636 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
637 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
639 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
641 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
642 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
644 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
645 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
646 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
647 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
650 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
653 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
655 { RUN_STATE_MAX, RUN_STATE_MAX },
658 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
660 bool runstate_check(RunState state)
662 return current_run_state == state;
665 static void runstate_init(void)
667 const RunStateTransition *p;
669 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
671 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
672 runstate_valid_transitions[p->from][p->to] = true;
676 /* This function will abort() on invalid state transitions */
677 void runstate_set(RunState new_state)
679 assert(new_state < RUN_STATE_MAX);
681 if (!runstate_valid_transitions[current_run_state][new_state]) {
682 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
683 RunState_lookup[current_run_state],
684 RunState_lookup[new_state]);
685 abort();
687 trace_runstate_set(new_state);
688 current_run_state = new_state;
691 int runstate_is_running(void)
693 return runstate_check(RUN_STATE_RUNNING);
696 bool runstate_needs_reset(void)
698 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
699 runstate_check(RUN_STATE_SHUTDOWN);
702 StatusInfo *qmp_query_status(Error **errp)
704 StatusInfo *info = g_malloc0(sizeof(*info));
706 info->running = runstate_is_running();
707 info->singlestep = singlestep;
708 info->status = current_run_state;
710 return info;
713 /***********************************************************/
714 /* real time host monotonic timer */
716 /***********************************************************/
717 /* host time/date access */
718 void qemu_get_timedate(struct tm *tm, int offset)
720 time_t ti;
722 time(&ti);
723 ti += offset;
724 if (rtc_date_offset == -1) {
725 if (rtc_utc)
726 gmtime_r(&ti, tm);
727 else
728 localtime_r(&ti, tm);
729 } else {
730 ti -= rtc_date_offset;
731 gmtime_r(&ti, tm);
735 int qemu_timedate_diff(struct tm *tm)
737 time_t seconds;
739 if (rtc_date_offset == -1)
740 if (rtc_utc)
741 seconds = mktimegm(tm);
742 else {
743 struct tm tmp = *tm;
744 tmp.tm_isdst = -1; /* use timezone to figure it out */
745 seconds = mktime(&tmp);
747 else
748 seconds = mktimegm(tm) + rtc_date_offset;
750 return seconds - time(NULL);
753 void rtc_change_mon_event(struct tm *tm)
755 QObject *data;
757 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
758 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
759 qobject_decref(data);
762 static void configure_rtc_date_offset(const char *startdate, int legacy)
764 time_t rtc_start_date;
765 struct tm tm;
767 if (!strcmp(startdate, "now") && legacy) {
768 rtc_date_offset = -1;
769 } else {
770 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
771 &tm.tm_year,
772 &tm.tm_mon,
773 &tm.tm_mday,
774 &tm.tm_hour,
775 &tm.tm_min,
776 &tm.tm_sec) == 6) {
777 /* OK */
778 } else if (sscanf(startdate, "%d-%d-%d",
779 &tm.tm_year,
780 &tm.tm_mon,
781 &tm.tm_mday) == 3) {
782 tm.tm_hour = 0;
783 tm.tm_min = 0;
784 tm.tm_sec = 0;
785 } else {
786 goto date_fail;
788 tm.tm_year -= 1900;
789 tm.tm_mon--;
790 rtc_start_date = mktimegm(&tm);
791 if (rtc_start_date == -1) {
792 date_fail:
793 fprintf(stderr, "Invalid date format. Valid formats are:\n"
794 "'2006-06-17T16:01:21' or '2006-06-17'\n");
795 exit(1);
797 rtc_date_offset = time(NULL) - rtc_start_date;
801 static void configure_rtc(QemuOpts *opts)
803 const char *value;
805 value = qemu_opt_get(opts, "base");
806 if (value) {
807 if (!strcmp(value, "utc")) {
808 rtc_utc = 1;
809 } else if (!strcmp(value, "localtime")) {
810 rtc_utc = 0;
811 } else {
812 configure_rtc_date_offset(value, 0);
815 value = qemu_opt_get(opts, "clock");
816 if (value) {
817 if (!strcmp(value, "host")) {
818 rtc_clock = QEMU_CLOCK_HOST;
819 } else if (!strcmp(value, "rt")) {
820 rtc_clock = QEMU_CLOCK_REALTIME;
821 } else if (!strcmp(value, "vm")) {
822 rtc_clock = QEMU_CLOCK_VIRTUAL;
823 } else {
824 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
825 exit(1);
828 value = qemu_opt_get(opts, "driftfix");
829 if (value) {
830 if (!strcmp(value, "slew")) {
831 static GlobalProperty slew_lost_ticks[] = {
833 .driver = "mc146818rtc",
834 .property = "lost_tick_policy",
835 .value = "slew",
837 { /* end of list */ }
840 qdev_prop_register_global_list(slew_lost_ticks);
841 } else if (!strcmp(value, "none")) {
842 /* discard is default */
843 } else {
844 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
845 exit(1);
850 /***********************************************************/
851 /* Bluetooth support */
852 static int nb_hcis;
853 static int cur_hci;
854 static struct HCIInfo *hci_table[MAX_NICS];
856 struct HCIInfo *qemu_next_hci(void)
858 if (cur_hci == nb_hcis)
859 return &null_hci;
861 return hci_table[cur_hci++];
864 static int bt_hci_parse(const char *str)
866 struct HCIInfo *hci;
867 bdaddr_t bdaddr;
869 if (nb_hcis >= MAX_NICS) {
870 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
871 return -1;
874 hci = hci_init(str);
875 if (!hci)
876 return -1;
878 bdaddr.b[0] = 0x52;
879 bdaddr.b[1] = 0x54;
880 bdaddr.b[2] = 0x00;
881 bdaddr.b[3] = 0x12;
882 bdaddr.b[4] = 0x34;
883 bdaddr.b[5] = 0x56 + nb_hcis;
884 hci->bdaddr_set(hci, bdaddr.b);
886 hci_table[nb_hcis++] = hci;
888 return 0;
891 static void bt_vhci_add(int vlan_id)
893 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
895 if (!vlan->slave)
896 fprintf(stderr, "qemu: warning: adding a VHCI to "
897 "an empty scatternet %i\n", vlan_id);
899 bt_vhci_init(bt_new_hci(vlan));
902 static struct bt_device_s *bt_device_add(const char *opt)
904 struct bt_scatternet_s *vlan;
905 int vlan_id = 0;
906 char *endp = strstr(opt, ",vlan=");
907 int len = (endp ? endp - opt : strlen(opt)) + 1;
908 char devname[10];
910 pstrcpy(devname, MIN(sizeof(devname), len), opt);
912 if (endp) {
913 vlan_id = strtol(endp + 6, &endp, 0);
914 if (*endp) {
915 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
916 return 0;
920 vlan = qemu_find_bt_vlan(vlan_id);
922 if (!vlan->slave)
923 fprintf(stderr, "qemu: warning: adding a slave device to "
924 "an empty scatternet %i\n", vlan_id);
926 if (!strcmp(devname, "keyboard"))
927 return bt_keyboard_init(vlan);
929 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
930 return 0;
933 static int bt_parse(const char *opt)
935 const char *endp, *p;
936 int vlan;
938 if (strstart(opt, "hci", &endp)) {
939 if (!*endp || *endp == ',') {
940 if (*endp)
941 if (!strstart(endp, ",vlan=", 0))
942 opt = endp + 1;
944 return bt_hci_parse(opt);
946 } else if (strstart(opt, "vhci", &endp)) {
947 if (!*endp || *endp == ',') {
948 if (*endp) {
949 if (strstart(endp, ",vlan=", &p)) {
950 vlan = strtol(p, (char **) &endp, 0);
951 if (*endp) {
952 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
953 return 1;
955 } else {
956 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
957 return 1;
959 } else
960 vlan = 0;
962 bt_vhci_add(vlan);
963 return 0;
965 } else if (strstart(opt, "device:", &endp))
966 return !bt_device_add(endp);
968 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
969 return 1;
972 static int parse_sandbox(QemuOpts *opts, void *opaque)
974 /* FIXME: change this to true for 1.3 */
975 if (qemu_opt_get_bool(opts, "enable", false)) {
976 #ifdef CONFIG_SECCOMP
977 if (seccomp_start() < 0) {
978 qerror_report(ERROR_CLASS_GENERIC_ERROR,
979 "failed to install seccomp syscall filter in the kernel");
980 return -1;
982 #else
983 qerror_report(ERROR_CLASS_GENERIC_ERROR,
984 "sandboxing request but seccomp is not compiled into this build");
985 return -1;
986 #endif
989 return 0;
992 bool usb_enabled(bool default_usb)
994 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb);
997 #ifndef _WIN32
998 static int parse_add_fd(QemuOpts *opts, void *opaque)
1000 int fd, dupfd, flags;
1001 int64_t fdset_id;
1002 const char *fd_opaque = NULL;
1004 fd = qemu_opt_get_number(opts, "fd", -1);
1005 fdset_id = qemu_opt_get_number(opts, "set", -1);
1006 fd_opaque = qemu_opt_get(opts, "opaque");
1008 if (fd < 0) {
1009 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1010 "fd option is required and must be non-negative");
1011 return -1;
1014 if (fd <= STDERR_FILENO) {
1015 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1016 "fd cannot be a standard I/O stream");
1017 return -1;
1021 * All fds inherited across exec() necessarily have FD_CLOEXEC
1022 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1024 flags = fcntl(fd, F_GETFD);
1025 if (flags == -1 || (flags & FD_CLOEXEC)) {
1026 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1027 "fd is not valid or already in use");
1028 return -1;
1031 if (fdset_id < 0) {
1032 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1033 "set option is required and must be non-negative");
1034 return -1;
1037 #ifdef F_DUPFD_CLOEXEC
1038 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1039 #else
1040 dupfd = dup(fd);
1041 if (dupfd != -1) {
1042 qemu_set_cloexec(dupfd);
1044 #endif
1045 if (dupfd == -1) {
1046 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1047 "Error duplicating fd: %s", strerror(errno));
1048 return -1;
1051 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1052 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1053 fd_opaque, NULL);
1055 return 0;
1058 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1060 int fd;
1062 fd = qemu_opt_get_number(opts, "fd", -1);
1063 close(fd);
1065 return 0;
1067 #endif
1069 /***********************************************************/
1070 /* QEMU Block devices */
1072 #define HD_OPTS "media=disk"
1073 #define CDROM_OPTS "media=cdrom"
1074 #define FD_OPTS ""
1075 #define PFLASH_OPTS ""
1076 #define MTD_OPTS ""
1077 #define SD_OPTS ""
1079 static int drive_init_func(QemuOpts *opts, void *opaque)
1081 BlockInterfaceType *block_default_type = opaque;
1083 return drive_init(opts, *block_default_type) == NULL;
1086 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1088 if (NULL == qemu_opt_get(opts, "snapshot")) {
1089 qemu_opt_set(opts, "snapshot", "on");
1091 return 0;
1094 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1095 int index, const char *optstr)
1097 QemuOpts *opts;
1099 if (!enable || drive_get_by_index(type, index)) {
1100 return;
1103 opts = drive_add(type, index, NULL, optstr);
1104 if (snapshot) {
1105 drive_enable_snapshot(opts, NULL);
1107 if (!drive_init(opts, type)) {
1108 exit(1);
1112 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1114 boot_set_handler = func;
1115 boot_set_opaque = opaque;
1118 int qemu_boot_set(const char *boot_order)
1120 if (!boot_set_handler) {
1121 return -EINVAL;
1123 return boot_set_handler(boot_set_opaque, boot_order);
1126 static void validate_bootdevices(const char *devices)
1128 /* We just do some generic consistency checks */
1129 const char *p;
1130 int bitmap = 0;
1132 for (p = devices; *p != '\0'; p++) {
1133 /* Allowed boot devices are:
1134 * a-b: floppy disk drives
1135 * c-f: IDE disk drives
1136 * g-m: machine implementation dependent drives
1137 * n-p: network devices
1138 * It's up to each machine implementation to check if the given boot
1139 * devices match the actual hardware implementation and firmware
1140 * features.
1142 if (*p < 'a' || *p > 'p') {
1143 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1144 exit(1);
1146 if (bitmap & (1 << (*p - 'a'))) {
1147 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1148 exit(1);
1150 bitmap |= 1 << (*p - 'a');
1154 static void restore_boot_order(void *opaque)
1156 char *normal_boot_order = opaque;
1157 static int first = 1;
1159 /* Restore boot order and remove ourselves after the first boot */
1160 if (first) {
1161 first = 0;
1162 return;
1165 qemu_boot_set(normal_boot_order);
1167 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1168 g_free(normal_boot_order);
1171 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1172 const char *suffix)
1174 FWBootEntry *node, *i;
1176 if (bootindex < 0) {
1177 return;
1180 assert(dev != NULL || suffix != NULL);
1182 node = g_malloc0(sizeof(FWBootEntry));
1183 node->bootindex = bootindex;
1184 node->suffix = g_strdup(suffix);
1185 node->dev = dev;
1187 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1188 if (i->bootindex == bootindex) {
1189 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1190 exit(1);
1191 } else if (i->bootindex < bootindex) {
1192 continue;
1194 QTAILQ_INSERT_BEFORE(i, node, link);
1195 return;
1197 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1200 DeviceState *get_boot_device(uint32_t position)
1202 uint32_t counter = 0;
1203 FWBootEntry *i = NULL;
1204 DeviceState *res = NULL;
1206 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1207 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1208 if (counter == position) {
1209 res = i->dev;
1210 break;
1212 counter++;
1215 return res;
1219 * This function returns null terminated string that consist of new line
1220 * separated device paths.
1222 * memory pointed by "size" is assigned total length of the array in bytes
1225 char *get_boot_devices_list(size_t *size)
1227 FWBootEntry *i;
1228 size_t total = 0;
1229 char *list = NULL;
1231 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1232 char *devpath = NULL, *bootpath;
1233 size_t len;
1235 if (i->dev) {
1236 devpath = qdev_get_fw_dev_path(i->dev);
1237 assert(devpath);
1240 if (i->suffix && devpath) {
1241 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1243 bootpath = g_malloc(bootpathlen);
1244 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1245 g_free(devpath);
1246 } else if (devpath) {
1247 bootpath = devpath;
1248 } else {
1249 assert(i->suffix);
1250 bootpath = g_strdup(i->suffix);
1253 if (total) {
1254 list[total-1] = '\n';
1256 len = strlen(bootpath) + 1;
1257 list = g_realloc(list, total + len);
1258 memcpy(&list[total], bootpath, len);
1259 total += len;
1260 g_free(bootpath);
1263 *size = total;
1265 if (boot_strict && *size > 0) {
1266 list[total-1] = '\n';
1267 list = g_realloc(list, total + 5);
1268 memcpy(&list[total], "HALT", 5);
1269 *size = total + 5;
1271 return list;
1274 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1276 char *endptr;
1277 unsigned long long value, endvalue;
1279 /* Empty CPU range strings will be considered valid, they will simply
1280 * not set any bit in the CPU bitmap.
1282 if (!*cpus) {
1283 return;
1286 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1287 goto error;
1289 if (*endptr == '-') {
1290 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1291 goto error;
1293 } else if (*endptr == '\0') {
1294 endvalue = value;
1295 } else {
1296 goto error;
1299 if (endvalue >= MAX_CPUMASK_BITS) {
1300 endvalue = MAX_CPUMASK_BITS - 1;
1301 fprintf(stderr,
1302 "qemu: NUMA: A max of %d VCPUs are supported\n",
1303 MAX_CPUMASK_BITS);
1306 if (endvalue < value) {
1307 goto error;
1310 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1311 return;
1313 error:
1314 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1315 exit(1);
1318 static void numa_add(const char *optarg)
1320 char option[128];
1321 char *endptr;
1322 unsigned long long nodenr;
1324 optarg = get_opt_name(option, 128, optarg, ',');
1325 if (*optarg == ',') {
1326 optarg++;
1328 if (!strcmp(option, "node")) {
1330 if (nb_numa_nodes >= MAX_NODES) {
1331 fprintf(stderr, "qemu: too many NUMA nodes\n");
1332 exit(1);
1335 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1336 nodenr = nb_numa_nodes;
1337 } else {
1338 if (parse_uint_full(option, &nodenr, 10) < 0) {
1339 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1340 exit(1);
1344 if (nodenr >= MAX_NODES) {
1345 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1346 exit(1);
1349 if (get_param_value(option, 128, "mem", optarg) == 0) {
1350 node_mem[nodenr] = 0;
1351 } else {
1352 int64_t sval;
1353 sval = strtosz(option, &endptr);
1354 if (sval < 0 || *endptr) {
1355 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1356 exit(1);
1358 node_mem[nodenr] = sval;
1360 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1361 numa_node_parse_cpus(nodenr, option);
1363 nb_numa_nodes++;
1364 } else {
1365 fprintf(stderr, "Invalid -numa option: %s\n", option);
1366 exit(1);
1370 static QemuOptsList qemu_smp_opts = {
1371 .name = "smp-opts",
1372 .implied_opt_name = "cpus",
1373 .merge_lists = true,
1374 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1375 .desc = {
1377 .name = "cpus",
1378 .type = QEMU_OPT_NUMBER,
1379 }, {
1380 .name = "sockets",
1381 .type = QEMU_OPT_NUMBER,
1382 }, {
1383 .name = "cores",
1384 .type = QEMU_OPT_NUMBER,
1385 }, {
1386 .name = "threads",
1387 .type = QEMU_OPT_NUMBER,
1388 }, {
1389 .name = "maxcpus",
1390 .type = QEMU_OPT_NUMBER,
1392 { /*End of list */ }
1396 static void smp_parse(QemuOpts *opts)
1398 if (opts) {
1400 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1401 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1402 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1403 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1405 /* compute missing values, prefer sockets over cores over threads */
1406 if (cpus == 0 || sockets == 0) {
1407 sockets = sockets > 0 ? sockets : 1;
1408 cores = cores > 0 ? cores : 1;
1409 threads = threads > 0 ? threads : 1;
1410 if (cpus == 0) {
1411 cpus = cores * threads * sockets;
1413 } else {
1414 if (cores == 0) {
1415 threads = threads > 0 ? threads : 1;
1416 cores = cpus / (sockets * threads);
1417 } else {
1418 threads = cpus / (cores * sockets);
1422 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1424 smp_cpus = cpus;
1425 smp_cores = cores > 0 ? cores : 1;
1426 smp_threads = threads > 0 ? threads : 1;
1430 if (max_cpus == 0) {
1431 max_cpus = smp_cpus;
1434 if (max_cpus > 255) {
1435 fprintf(stderr, "Unsupported number of maxcpus\n");
1436 exit(1);
1438 if (max_cpus < smp_cpus) {
1439 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1440 exit(1);
1445 static void configure_realtime(QemuOpts *opts)
1447 bool enable_mlock;
1449 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1451 if (enable_mlock) {
1452 if (os_mlock() < 0) {
1453 fprintf(stderr, "qemu: locking memory failed\n");
1454 exit(1);
1460 static void configure_msg(QemuOpts *opts)
1462 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1465 /***********************************************************/
1466 /* USB devices */
1468 static int usb_device_add(const char *devname)
1470 USBDevice *dev = NULL;
1471 #ifndef CONFIG_LINUX
1472 const char *p;
1473 #endif
1475 if (!usb_enabled(false)) {
1476 return -1;
1479 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1480 dev = usbdevice_create(devname);
1481 if (dev)
1482 goto done;
1484 /* the other ones */
1485 #ifndef CONFIG_LINUX
1486 /* only the linux version is qdev-ified, usb-bsd still needs this */
1487 if (strstart(devname, "host:", &p)) {
1488 dev = usb_host_device_open(usb_bus_find(-1), p);
1490 #endif
1491 if (!dev)
1492 return -1;
1494 done:
1495 return 0;
1498 static int usb_device_del(const char *devname)
1500 int bus_num, addr;
1501 const char *p;
1503 if (strstart(devname, "host:", &p)) {
1504 return -1;
1507 if (!usb_enabled(false)) {
1508 return -1;
1511 p = strchr(devname, '.');
1512 if (!p)
1513 return -1;
1514 bus_num = strtoul(devname, NULL, 0);
1515 addr = strtoul(p + 1, NULL, 0);
1517 return usb_device_delete_addr(bus_num, addr);
1520 static int usb_parse(const char *cmdline)
1522 int r;
1523 r = usb_device_add(cmdline);
1524 if (r < 0) {
1525 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1527 return r;
1530 void do_usb_add(Monitor *mon, const QDict *qdict)
1532 const char *devname = qdict_get_str(qdict, "devname");
1533 if (usb_device_add(devname) < 0) {
1534 error_report("could not add USB device '%s'", devname);
1538 void do_usb_del(Monitor *mon, const QDict *qdict)
1540 const char *devname = qdict_get_str(qdict, "devname");
1541 if (usb_device_del(devname) < 0) {
1542 error_report("could not delete USB device '%s'", devname);
1546 /***********************************************************/
1547 /* PCMCIA/Cardbus */
1549 static struct pcmcia_socket_entry_s {
1550 PCMCIASocket *socket;
1551 struct pcmcia_socket_entry_s *next;
1552 } *pcmcia_sockets = 0;
1554 void pcmcia_socket_register(PCMCIASocket *socket)
1556 struct pcmcia_socket_entry_s *entry;
1558 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1559 entry->socket = socket;
1560 entry->next = pcmcia_sockets;
1561 pcmcia_sockets = entry;
1564 void pcmcia_socket_unregister(PCMCIASocket *socket)
1566 struct pcmcia_socket_entry_s *entry, **ptr;
1568 ptr = &pcmcia_sockets;
1569 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1570 if (entry->socket == socket) {
1571 *ptr = entry->next;
1572 g_free(entry);
1576 void pcmcia_info(Monitor *mon, const QDict *qdict)
1578 struct pcmcia_socket_entry_s *iter;
1580 if (!pcmcia_sockets)
1581 monitor_printf(mon, "No PCMCIA sockets\n");
1583 for (iter = pcmcia_sockets; iter; iter = iter->next)
1584 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1585 iter->socket->attached ? iter->socket->card_string :
1586 "Empty");
1589 /***********************************************************/
1590 /* machine registration */
1592 static QEMUMachine *first_machine = NULL;
1593 QEMUMachine *current_machine = NULL;
1595 int qemu_register_machine(QEMUMachine *m)
1597 QEMUMachine **pm;
1598 pm = &first_machine;
1599 while (*pm != NULL)
1600 pm = &(*pm)->next;
1601 m->next = NULL;
1602 *pm = m;
1603 return 0;
1606 static QEMUMachine *find_machine(const char *name)
1608 QEMUMachine *m;
1610 for(m = first_machine; m != NULL; m = m->next) {
1611 if (!strcmp(m->name, name))
1612 return m;
1613 if (m->alias && !strcmp(m->alias, name))
1614 return m;
1616 return NULL;
1619 QEMUMachine *find_default_machine(void)
1621 QEMUMachine *m;
1623 for(m = first_machine; m != NULL; m = m->next) {
1624 if (m->is_default) {
1625 return m;
1628 return NULL;
1631 MachineInfoList *qmp_query_machines(Error **errp)
1633 MachineInfoList *mach_list = NULL;
1634 QEMUMachine *m;
1636 for (m = first_machine; m; m = m->next) {
1637 MachineInfoList *entry;
1638 MachineInfo *info;
1640 info = g_malloc0(sizeof(*info));
1641 if (m->is_default) {
1642 info->has_is_default = true;
1643 info->is_default = true;
1646 if (m->alias) {
1647 info->has_alias = true;
1648 info->alias = g_strdup(m->alias);
1651 info->name = g_strdup(m->name);
1652 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1654 entry = g_malloc0(sizeof(*entry));
1655 entry->value = info;
1656 entry->next = mach_list;
1657 mach_list = entry;
1660 return mach_list;
1663 /***********************************************************/
1664 /* main execution loop */
1666 struct vm_change_state_entry {
1667 VMChangeStateHandler *cb;
1668 void *opaque;
1669 QLIST_ENTRY (vm_change_state_entry) entries;
1672 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1674 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1675 void *opaque)
1677 VMChangeStateEntry *e;
1679 e = g_malloc0(sizeof (*e));
1681 e->cb = cb;
1682 e->opaque = opaque;
1683 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1684 return e;
1687 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1689 QLIST_REMOVE (e, entries);
1690 g_free (e);
1693 void vm_state_notify(int running, RunState state)
1695 VMChangeStateEntry *e;
1697 trace_vm_state_notify(running, state);
1699 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1700 e->cb(e->opaque, running, state);
1704 void vm_start(void)
1706 if (!runstate_is_running()) {
1707 cpu_enable_ticks();
1708 runstate_set(RUN_STATE_RUNNING);
1709 vm_state_notify(1, RUN_STATE_RUNNING);
1710 resume_all_vcpus();
1711 monitor_protocol_event(QEVENT_RESUME, NULL);
1715 /* reset/shutdown handler */
1717 typedef struct QEMUResetEntry {
1718 QTAILQ_ENTRY(QEMUResetEntry) entry;
1719 QEMUResetHandler *func;
1720 void *opaque;
1721 } QEMUResetEntry;
1723 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1724 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1725 static int reset_requested;
1726 static int shutdown_requested, shutdown_signal = -1;
1727 static pid_t shutdown_pid;
1728 static int powerdown_requested;
1729 static int debug_requested;
1730 static int suspend_requested;
1731 static WakeupReason wakeup_reason;
1732 static NotifierList powerdown_notifiers =
1733 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1734 static NotifierList suspend_notifiers =
1735 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1736 static NotifierList wakeup_notifiers =
1737 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1738 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1739 static RunState vmstop_requested = RUN_STATE_MAX;
1741 int qemu_shutdown_requested_get(void)
1743 return shutdown_requested;
1746 int qemu_reset_requested_get(void)
1748 return reset_requested;
1751 static int qemu_shutdown_requested(void)
1753 int r = shutdown_requested;
1754 shutdown_requested = 0;
1755 return r;
1758 static void qemu_kill_report(void)
1760 if (!qtest_enabled() && shutdown_signal != -1) {
1761 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1762 if (shutdown_pid == 0) {
1763 /* This happens for eg ^C at the terminal, so it's worth
1764 * avoiding printing an odd message in that case.
1766 fputc('\n', stderr);
1767 } else {
1768 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1770 shutdown_signal = -1;
1774 static int qemu_reset_requested(void)
1776 int r = reset_requested;
1777 reset_requested = 0;
1778 return r;
1781 static int qemu_suspend_requested(void)
1783 int r = suspend_requested;
1784 suspend_requested = 0;
1785 return r;
1788 static WakeupReason qemu_wakeup_requested(void)
1790 return wakeup_reason;
1793 static int qemu_powerdown_requested(void)
1795 int r = powerdown_requested;
1796 powerdown_requested = 0;
1797 return r;
1800 static int qemu_debug_requested(void)
1802 int r = debug_requested;
1803 debug_requested = 0;
1804 return r;
1807 /* We use RUN_STATE_MAX but any invalid value will do */
1808 static bool qemu_vmstop_requested(RunState *r)
1810 if (vmstop_requested < RUN_STATE_MAX) {
1811 *r = vmstop_requested;
1812 vmstop_requested = RUN_STATE_MAX;
1813 return true;
1816 return false;
1819 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1821 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1823 re->func = func;
1824 re->opaque = opaque;
1825 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1828 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1830 QEMUResetEntry *re;
1832 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1833 if (re->func == func && re->opaque == opaque) {
1834 QTAILQ_REMOVE(&reset_handlers, re, entry);
1835 g_free(re);
1836 return;
1841 void qemu_devices_reset(void)
1843 QEMUResetEntry *re, *nre;
1845 /* reset all devices */
1846 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1847 re->func(re->opaque);
1851 void qemu_system_reset(bool report)
1853 if (current_machine && current_machine->reset) {
1854 current_machine->reset();
1855 } else {
1856 qemu_devices_reset();
1858 if (report) {
1859 monitor_protocol_event(QEVENT_RESET, NULL);
1861 cpu_synchronize_all_post_reset();
1864 void qemu_system_reset_request(void)
1866 if (no_reboot) {
1867 shutdown_requested = 1;
1868 } else {
1869 reset_requested = 1;
1871 cpu_stop_current();
1872 qemu_notify_event();
1875 static void qemu_system_suspend(void)
1877 pause_all_vcpus();
1878 notifier_list_notify(&suspend_notifiers, NULL);
1879 runstate_set(RUN_STATE_SUSPENDED);
1880 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1883 void qemu_system_suspend_request(void)
1885 if (runstate_check(RUN_STATE_SUSPENDED)) {
1886 return;
1888 suspend_requested = 1;
1889 cpu_stop_current();
1890 qemu_notify_event();
1893 void qemu_register_suspend_notifier(Notifier *notifier)
1895 notifier_list_add(&suspend_notifiers, notifier);
1898 void qemu_system_wakeup_request(WakeupReason reason)
1900 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1901 return;
1903 if (!(wakeup_reason_mask & (1 << reason))) {
1904 return;
1906 runstate_set(RUN_STATE_RUNNING);
1907 wakeup_reason = reason;
1908 qemu_notify_event();
1911 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1913 if (enabled) {
1914 wakeup_reason_mask |= (1 << reason);
1915 } else {
1916 wakeup_reason_mask &= ~(1 << reason);
1920 void qemu_register_wakeup_notifier(Notifier *notifier)
1922 notifier_list_add(&wakeup_notifiers, notifier);
1925 void qemu_system_killed(int signal, pid_t pid)
1927 shutdown_signal = signal;
1928 shutdown_pid = pid;
1929 no_shutdown = 0;
1930 qemu_system_shutdown_request();
1933 void qemu_system_shutdown_request(void)
1935 shutdown_requested = 1;
1936 qemu_notify_event();
1939 static void qemu_system_powerdown(void)
1941 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1942 notifier_list_notify(&powerdown_notifiers, NULL);
1945 void qemu_system_powerdown_request(void)
1947 powerdown_requested = 1;
1948 qemu_notify_event();
1951 void qemu_register_powerdown_notifier(Notifier *notifier)
1953 notifier_list_add(&powerdown_notifiers, notifier);
1956 void qemu_system_debug_request(void)
1958 debug_requested = 1;
1959 qemu_notify_event();
1962 void qemu_system_vmstop_request(RunState state)
1964 vmstop_requested = state;
1965 qemu_notify_event();
1968 static bool main_loop_should_exit(void)
1970 RunState r;
1971 if (qemu_debug_requested()) {
1972 vm_stop(RUN_STATE_DEBUG);
1974 if (qemu_suspend_requested()) {
1975 qemu_system_suspend();
1977 if (qemu_shutdown_requested()) {
1978 qemu_kill_report();
1979 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1980 if (no_shutdown) {
1981 vm_stop(RUN_STATE_SHUTDOWN);
1982 } else {
1983 return true;
1986 if (qemu_reset_requested()) {
1987 pause_all_vcpus();
1988 cpu_synchronize_all_states();
1989 qemu_system_reset(VMRESET_REPORT);
1990 resume_all_vcpus();
1991 if (runstate_needs_reset()) {
1992 runstate_set(RUN_STATE_PAUSED);
1995 if (qemu_wakeup_requested()) {
1996 pause_all_vcpus();
1997 cpu_synchronize_all_states();
1998 qemu_system_reset(VMRESET_SILENT);
1999 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2000 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2001 resume_all_vcpus();
2002 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2004 if (qemu_powerdown_requested()) {
2005 qemu_system_powerdown();
2007 if (qemu_vmstop_requested(&r)) {
2008 vm_stop(r);
2010 return false;
2013 static void main_loop(void)
2015 bool nonblocking;
2016 int last_io = 0;
2017 #ifdef CONFIG_PROFILER
2018 int64_t ti;
2019 #endif
2020 do {
2021 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2022 #ifdef CONFIG_PROFILER
2023 ti = profile_getclock();
2024 #endif
2025 last_io = main_loop_wait(nonblocking);
2026 #ifdef CONFIG_PROFILER
2027 dev_time += profile_getclock() - ti;
2028 #endif
2029 } while (!main_loop_should_exit());
2032 static void version(void)
2034 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2037 static void QEMU_NORETURN help(int exitcode)
2039 version();
2040 printf("usage: %s [options] [disk_image]\n\n"
2041 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2042 error_get_progname());
2044 #define QEMU_OPTIONS_GENERATE_HELP
2045 #include "qemu-options-wrapper.h"
2047 printf("\nDuring emulation, the following keys are useful:\n"
2048 "ctrl-alt-f toggle full screen\n"
2049 "ctrl-alt-n switch to virtual console 'n'\n"
2050 "ctrl-alt toggle mouse and keyboard grab\n"
2051 "\n"
2052 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2054 exit(exitcode);
2057 #define HAS_ARG 0x0001
2059 typedef struct QEMUOption {
2060 const char *name;
2061 int flags;
2062 int index;
2063 uint32_t arch_mask;
2064 } QEMUOption;
2066 static const QEMUOption qemu_options[] = {
2067 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2068 #define QEMU_OPTIONS_GENERATE_OPTIONS
2069 #include "qemu-options-wrapper.h"
2070 { NULL },
2073 static bool vga_available(void)
2075 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2078 static bool cirrus_vga_available(void)
2080 return object_class_by_name("cirrus-vga")
2081 || object_class_by_name("isa-cirrus-vga");
2084 static bool vmware_vga_available(void)
2086 return object_class_by_name("vmware-svga");
2089 static bool qxl_vga_available(void)
2091 return object_class_by_name("qxl-vga");
2094 static void select_vgahw (const char *p)
2096 const char *opts;
2098 vga_interface_type = VGA_NONE;
2099 if (strstart(p, "std", &opts)) {
2100 if (vga_available()) {
2101 vga_interface_type = VGA_STD;
2102 } else {
2103 fprintf(stderr, "Error: standard VGA not available\n");
2104 exit(0);
2106 } else if (strstart(p, "cirrus", &opts)) {
2107 if (cirrus_vga_available()) {
2108 vga_interface_type = VGA_CIRRUS;
2109 } else {
2110 fprintf(stderr, "Error: Cirrus VGA not available\n");
2111 exit(0);
2113 } else if (strstart(p, "vmware", &opts)) {
2114 if (vmware_vga_available()) {
2115 vga_interface_type = VGA_VMWARE;
2116 } else {
2117 fprintf(stderr, "Error: VMWare SVGA not available\n");
2118 exit(0);
2120 } else if (strstart(p, "xenfb", &opts)) {
2121 vga_interface_type = VGA_XENFB;
2122 } else if (strstart(p, "qxl", &opts)) {
2123 if (qxl_vga_available()) {
2124 vga_interface_type = VGA_QXL;
2125 } else {
2126 fprintf(stderr, "Error: QXL VGA not available\n");
2127 exit(0);
2129 } else if (!strstart(p, "none", &opts)) {
2130 invalid_vga:
2131 fprintf(stderr, "Unknown vga type: %s\n", p);
2132 exit(1);
2134 while (*opts) {
2135 const char *nextopt;
2137 if (strstart(opts, ",retrace=", &nextopt)) {
2138 opts = nextopt;
2139 if (strstart(opts, "dumb", &nextopt))
2140 vga_retrace_method = VGA_RETRACE_DUMB;
2141 else if (strstart(opts, "precise", &nextopt))
2142 vga_retrace_method = VGA_RETRACE_PRECISE;
2143 else goto invalid_vga;
2144 } else goto invalid_vga;
2145 opts = nextopt;
2149 static DisplayType select_display(const char *p)
2151 const char *opts;
2152 DisplayType display = DT_DEFAULT;
2154 if (strstart(p, "sdl", &opts)) {
2155 #ifdef CONFIG_SDL
2156 display = DT_SDL;
2157 while (*opts) {
2158 const char *nextopt;
2160 if (strstart(opts, ",frame=", &nextopt)) {
2161 opts = nextopt;
2162 if (strstart(opts, "on", &nextopt)) {
2163 no_frame = 0;
2164 } else if (strstart(opts, "off", &nextopt)) {
2165 no_frame = 1;
2166 } else {
2167 goto invalid_sdl_args;
2169 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2170 opts = nextopt;
2171 if (strstart(opts, "on", &nextopt)) {
2172 alt_grab = 1;
2173 } else if (strstart(opts, "off", &nextopt)) {
2174 alt_grab = 0;
2175 } else {
2176 goto invalid_sdl_args;
2178 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2179 opts = nextopt;
2180 if (strstart(opts, "on", &nextopt)) {
2181 ctrl_grab = 1;
2182 } else if (strstart(opts, "off", &nextopt)) {
2183 ctrl_grab = 0;
2184 } else {
2185 goto invalid_sdl_args;
2187 } else if (strstart(opts, ",window_close=", &nextopt)) {
2188 opts = nextopt;
2189 if (strstart(opts, "on", &nextopt)) {
2190 no_quit = 0;
2191 } else if (strstart(opts, "off", &nextopt)) {
2192 no_quit = 1;
2193 } else {
2194 goto invalid_sdl_args;
2196 } else {
2197 invalid_sdl_args:
2198 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2199 exit(1);
2201 opts = nextopt;
2203 #else
2204 fprintf(stderr, "SDL support is disabled\n");
2205 exit(1);
2206 #endif
2207 } else if (strstart(p, "vnc", &opts)) {
2208 #ifdef CONFIG_VNC
2209 display_remote++;
2211 if (*opts) {
2212 const char *nextopt;
2214 if (strstart(opts, "=", &nextopt)) {
2215 vnc_display = nextopt;
2218 if (!vnc_display) {
2219 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2220 exit(1);
2222 #else
2223 fprintf(stderr, "VNC support is disabled\n");
2224 exit(1);
2225 #endif
2226 } else if (strstart(p, "curses", &opts)) {
2227 #ifdef CONFIG_CURSES
2228 display = DT_CURSES;
2229 #else
2230 fprintf(stderr, "Curses support is disabled\n");
2231 exit(1);
2232 #endif
2233 } else if (strstart(p, "gtk", &opts)) {
2234 #ifdef CONFIG_GTK
2235 display = DT_GTK;
2236 #else
2237 fprintf(stderr, "GTK support is disabled\n");
2238 exit(1);
2239 #endif
2240 } else if (strstart(p, "none", &opts)) {
2241 display = DT_NONE;
2242 } else {
2243 fprintf(stderr, "Unknown display type: %s\n", p);
2244 exit(1);
2247 return display;
2250 static int balloon_parse(const char *arg)
2252 QemuOpts *opts;
2254 if (strcmp(arg, "none") == 0) {
2255 return 0;
2258 if (!strncmp(arg, "virtio", 6)) {
2259 if (arg[6] == ',') {
2260 /* have params -> parse them */
2261 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2262 if (!opts)
2263 return -1;
2264 } else {
2265 /* create empty opts */
2266 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2267 &error_abort);
2269 qemu_opt_set(opts, "driver", "virtio-balloon");
2270 return 0;
2273 return -1;
2276 #if defined(CONFIG_RUBY)
2277 /* Ruby interface for QEMU. See README.EXT for programming example. */
2278 #warning mit ruby
2279 #include <ruby.h>
2281 static VALUE qemu_open(int argc, VALUE *argv, VALUE klass)
2283 int i;
2284 for (i = 0; i < argc; i++) {
2285 argv[i] = StringValue(argv[i]);
2286 fprintf(stderr, "argv[%d] = %s\n", i, StringValuePtr(argv[i]));
2288 //~ if (rb_scan_args(argc, argv, "11", &file, &vmode) == 1) {
2289 //~ mode = 0666; /* default value */
2290 //~ }
2291 return INT2FIX(argc);
2294 void Init_qemu(void)
2296 printf("%s\n", __func__);
2297 VALUE cQEMU = rb_define_class("QEMU", rb_cObject);
2298 rb_define_singleton_method(cQEMU, "run", qemu_open, -1);
2299 #if 0
2300 rb_define_method();
2301 #endif
2303 #endif /* CONFIG_RUBY */
2305 #if defined(CONFIG_DLL)
2306 BOOL APIENTRY DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID data)
2308 return FALSE;
2310 #endif /* CONFIG_DLL */
2312 char *qemu_find_file(int type, const char *name)
2314 int i;
2315 const char *subdir;
2316 char *buf;
2318 /* Try the name as a straight path first */
2319 if (access(name, R_OK) == 0) {
2320 trace_load_file(name, name);
2321 return g_strdup(name);
2324 switch (type) {
2325 case QEMU_FILE_TYPE_BIOS:
2326 subdir = "";
2327 break;
2328 case QEMU_FILE_TYPE_KEYMAP:
2329 subdir = "keymaps/";
2330 break;
2331 default:
2332 abort();
2335 for (i = 0; i < data_dir_idx; i++) {
2336 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2337 if (access(buf, R_OK) == 0) {
2338 trace_load_file(name, buf);
2339 return buf;
2341 g_free(buf);
2343 return NULL;
2346 static int device_help_func(QemuOpts *opts, void *opaque)
2348 return qdev_device_help(opts);
2351 static int device_init_func(QemuOpts *opts, void *opaque)
2353 DeviceState *dev;
2355 dev = qdev_device_add(opts);
2356 if (!dev)
2357 return -1;
2358 object_unref(OBJECT(dev));
2359 return 0;
2362 static int chardev_init_func(QemuOpts *opts, void *opaque)
2364 Error *local_err = NULL;
2366 qemu_chr_new_from_opts(opts, NULL, &local_err);
2367 if (error_is_set(&local_err)) {
2368 error_report("%s", error_get_pretty(local_err));
2369 error_free(local_err);
2370 return -1;
2372 return 0;
2375 #ifdef CONFIG_VIRTFS
2376 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2378 int ret;
2379 ret = qemu_fsdev_add(opts);
2381 return ret;
2383 #endif
2385 static int mon_init_func(QemuOpts *opts, void *opaque)
2387 CharDriverState *chr;
2388 const char *chardev;
2389 const char *mode;
2390 int flags;
2392 mode = qemu_opt_get(opts, "mode");
2393 if (mode == NULL) {
2394 mode = "readline";
2396 if (strcmp(mode, "readline") == 0) {
2397 flags = MONITOR_USE_READLINE;
2398 } else if (strcmp(mode, "control") == 0) {
2399 flags = MONITOR_USE_CONTROL;
2400 } else {
2401 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2402 exit(1);
2405 if (qemu_opt_get_bool(opts, "pretty", 0))
2406 flags |= MONITOR_USE_PRETTY;
2408 if (qemu_opt_get_bool(opts, "default", 0))
2409 flags |= MONITOR_IS_DEFAULT;
2411 chardev = qemu_opt_get(opts, "chardev");
2412 chr = qemu_chr_find(chardev);
2413 if (chr == NULL) {
2414 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2415 exit(1);
2418 qemu_chr_fe_claim_no_fail(chr);
2419 monitor_init(chr, flags);
2420 return 0;
2423 static void monitor_parse(const char *optarg, const char *mode)
2425 static int monitor_device_index = 0;
2426 QemuOpts *opts;
2427 const char *p;
2428 char label[32];
2429 int def = 0;
2431 if (strstart(optarg, "chardev:", &p)) {
2432 snprintf(label, sizeof(label), "%s", p);
2433 } else {
2434 snprintf(label, sizeof(label), "compat_monitor%d",
2435 monitor_device_index);
2436 if (monitor_device_index == 0) {
2437 def = 1;
2439 opts = qemu_chr_parse_compat(label, optarg);
2440 if (!opts) {
2441 fprintf(stderr, "parse error: %s\n", optarg);
2442 exit(1);
2446 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2447 if (!opts) {
2448 fprintf(stderr, "duplicate chardev: %s\n", label);
2449 exit(1);
2451 qemu_opt_set(opts, "mode", mode);
2452 qemu_opt_set(opts, "chardev", label);
2453 if (def)
2454 qemu_opt_set(opts, "default", "on");
2455 monitor_device_index++;
2458 struct device_config {
2459 enum {
2460 DEV_USB, /* -usbdevice */
2461 DEV_BT, /* -bt */
2462 DEV_SERIAL, /* -serial */
2463 DEV_PARALLEL, /* -parallel */
2464 DEV_VIRTCON, /* -virtioconsole */
2465 DEV_DEBUGCON, /* -debugcon */
2466 DEV_GDB, /* -gdb, -s */
2467 DEV_SCLP, /* s390 sclp */
2468 } type;
2469 const char *cmdline;
2470 Location loc;
2471 QTAILQ_ENTRY(device_config) next;
2474 static QTAILQ_HEAD(, device_config) device_configs =
2475 QTAILQ_HEAD_INITIALIZER(device_configs);
2477 static void add_device_config(int type, const char *cmdline)
2479 struct device_config *conf;
2481 conf = g_malloc0(sizeof(*conf));
2482 conf->type = type;
2483 conf->cmdline = cmdline;
2484 loc_save(&conf->loc);
2485 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2488 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2490 struct device_config *conf;
2491 int rc;
2493 QTAILQ_FOREACH(conf, &device_configs, next) {
2494 if (conf->type != type)
2495 continue;
2496 loc_push_restore(&conf->loc);
2497 rc = func(conf->cmdline);
2498 loc_pop(&conf->loc);
2499 if (0 != rc)
2500 return rc;
2502 return 0;
2505 static int serial_parse(const char *devname)
2507 static int index = 0;
2508 char label[32];
2510 if (strcmp(devname, "none") == 0)
2511 return 0;
2512 if (index == MAX_SERIAL_PORTS) {
2513 fprintf(stderr, "qemu: too many serial ports\n");
2514 exit(1);
2516 snprintf(label, sizeof(label), "serial%d", index);
2517 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2518 if (!serial_hds[index]) {
2519 fprintf(stderr, "qemu: could not connect serial device"
2520 " to character backend '%s'\n", devname);
2521 return -1;
2523 index++;
2524 return 0;
2527 static int parallel_parse(const char *devname)
2529 static int index = 0;
2530 char label[32];
2532 if (strcmp(devname, "none") == 0)
2533 return 0;
2534 if (index == MAX_PARALLEL_PORTS) {
2535 fprintf(stderr, "qemu: too many parallel ports\n");
2536 exit(1);
2538 snprintf(label, sizeof(label), "parallel%d", index);
2539 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2540 if (!parallel_hds[index]) {
2541 fprintf(stderr, "qemu: could not connect parallel device"
2542 " to character backend '%s'\n", devname);
2543 return -1;
2545 index++;
2546 return 0;
2549 static int virtcon_parse(const char *devname)
2551 QemuOptsList *device = qemu_find_opts("device");
2552 static int index = 0;
2553 char label[32];
2554 QemuOpts *bus_opts, *dev_opts;
2556 if (strcmp(devname, "none") == 0)
2557 return 0;
2558 if (index == MAX_VIRTIO_CONSOLES) {
2559 fprintf(stderr, "qemu: too many virtio consoles\n");
2560 exit(1);
2563 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2564 if (arch_type == QEMU_ARCH_S390X) {
2565 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2566 } else {
2567 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2570 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2571 qemu_opt_set(dev_opts, "driver", "virtconsole");
2573 snprintf(label, sizeof(label), "virtcon%d", index);
2574 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2575 if (!virtcon_hds[index]) {
2576 fprintf(stderr, "qemu: could not connect virtio console"
2577 " to character backend '%s'\n", devname);
2578 return -1;
2580 qemu_opt_set(dev_opts, "chardev", label);
2582 index++;
2583 return 0;
2586 static int sclp_parse(const char *devname)
2588 QemuOptsList *device = qemu_find_opts("device");
2589 static int index = 0;
2590 char label[32];
2591 QemuOpts *dev_opts;
2593 if (strcmp(devname, "none") == 0) {
2594 return 0;
2596 if (index == MAX_SCLP_CONSOLES) {
2597 fprintf(stderr, "qemu: too many sclp consoles\n");
2598 exit(1);
2601 assert(arch_type == QEMU_ARCH_S390X);
2603 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2604 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2606 snprintf(label, sizeof(label), "sclpcon%d", index);
2607 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2608 if (!sclp_hds[index]) {
2609 fprintf(stderr, "qemu: could not connect sclp console"
2610 " to character backend '%s'\n", devname);
2611 return -1;
2613 qemu_opt_set(dev_opts, "chardev", label);
2615 index++;
2616 return 0;
2619 static int debugcon_parse(const char *devname)
2621 QemuOpts *opts;
2623 if (!qemu_chr_new("debugcon", devname, NULL)) {
2624 exit(1);
2626 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2627 if (!opts) {
2628 fprintf(stderr, "qemu: already have a debugcon device\n");
2629 exit(1);
2631 qemu_opt_set(opts, "driver", "isa-debugcon");
2632 qemu_opt_set(opts, "chardev", "debugcon");
2633 return 0;
2636 static QEMUMachine *machine_parse(const char *name)
2638 QEMUMachine *m, *machine = NULL;
2640 if (name) {
2641 machine = find_machine(name);
2643 if (machine) {
2644 return machine;
2646 printf("Supported machines are:\n");
2647 for (m = first_machine; m != NULL; m = m->next) {
2648 if (m->alias) {
2649 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2651 printf("%-20s %s%s\n", m->name, m->desc,
2652 m->is_default ? " (default)" : "");
2654 exit(!name || !is_help_option(name));
2657 static int tcg_init(void)
2659 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2660 return 0;
2663 static struct {
2664 const char *opt_name;
2665 const char *name;
2666 int (*available)(void);
2667 int (*init)(void);
2668 bool *allowed;
2669 } accel_list[] = {
2670 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2671 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2672 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2673 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2676 static int configure_accelerator(void)
2678 const char *p;
2679 char buf[10];
2680 int i, ret;
2681 bool accel_initialised = false;
2682 bool init_failed = false;
2684 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2685 if (p == NULL) {
2686 /* Use the default "accelerator", tcg */
2687 p = "tcg";
2690 while (!accel_initialised && *p != '\0') {
2691 if (*p == ':') {
2692 p++;
2694 p = get_opt_name(buf, sizeof (buf), p, ':');
2695 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2696 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2697 if (!accel_list[i].available()) {
2698 printf("%s not supported for this target\n",
2699 accel_list[i].name);
2700 continue;
2702 *(accel_list[i].allowed) = true;
2703 ret = accel_list[i].init();
2704 if (ret < 0) {
2705 init_failed = true;
2706 fprintf(stderr, "failed to initialize %s: %s\n",
2707 accel_list[i].name,
2708 strerror(-ret));
2709 *(accel_list[i].allowed) = false;
2710 } else {
2711 accel_initialised = true;
2713 break;
2716 if (i == ARRAY_SIZE(accel_list)) {
2717 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2721 if (!accel_initialised) {
2722 if (!init_failed) {
2723 fprintf(stderr, "No accelerator found!\n");
2725 exit(1);
2728 if (init_failed) {
2729 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2732 return !accel_initialised;
2735 void qemu_add_exit_notifier(Notifier *notify)
2737 notifier_list_add(&exit_notifiers, notify);
2740 void qemu_remove_exit_notifier(Notifier *notify)
2742 notifier_remove(notify);
2745 static void qemu_run_exit_notifiers(void)
2747 notifier_list_notify(&exit_notifiers, NULL);
2750 void qemu_add_machine_init_done_notifier(Notifier *notify)
2752 notifier_list_add(&machine_init_done_notifiers, notify);
2755 static void qemu_run_machine_init_done_notifiers(void)
2757 notifier_list_notify(&machine_init_done_notifiers, NULL);
2760 static const QEMUOption *lookup_opt(int argc, char **argv,
2761 const char **poptarg, int *poptind)
2763 const QEMUOption *popt;
2764 int optind = *poptind;
2765 char *r = argv[optind];
2766 const char *optarg;
2768 loc_set_cmdline(argv, optind, 1);
2769 optind++;
2770 /* Treat --foo the same as -foo. */
2771 if (r[1] == '-')
2772 r++;
2773 popt = qemu_options;
2774 for(;;) {
2775 if (!popt->name) {
2776 error_report("invalid option");
2777 exit(1);
2779 if (!strcmp(popt->name, r + 1))
2780 break;
2781 popt++;
2783 if (popt->flags & HAS_ARG) {
2784 if (optind >= argc) {
2785 error_report("requires an argument");
2786 exit(1);
2788 optarg = argv[optind++];
2789 loc_set_cmdline(argv, optind - 2, 2);
2790 } else {
2791 optarg = NULL;
2794 *poptarg = optarg;
2795 *poptind = optind;
2797 return popt;
2800 static gpointer malloc_and_trace(gsize n_bytes)
2802 void *ptr = malloc(n_bytes);
2803 trace_g_malloc(n_bytes, ptr);
2804 return ptr;
2807 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2809 void *ptr = realloc(mem, n_bytes);
2810 trace_g_realloc(mem, n_bytes, ptr);
2811 return ptr;
2814 static void free_and_trace(gpointer mem)
2816 trace_g_free(mem);
2817 free(mem);
2820 static int object_set_property(const char *name, const char *value, void *opaque)
2822 Object *obj = OBJECT(opaque);
2823 StringInputVisitor *siv;
2824 Error *local_err = NULL;
2826 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2827 return 0;
2830 siv = string_input_visitor_new(value);
2831 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2832 string_input_visitor_cleanup(siv);
2834 if (local_err) {
2835 qerror_report_err(local_err);
2836 error_free(local_err);
2837 return -1;
2840 return 0;
2843 static int object_create(QemuOpts *opts, void *opaque)
2845 const char *type = qemu_opt_get(opts, "qom-type");
2846 const char *id = qemu_opts_id(opts);
2847 Error *local_err = NULL;
2848 Object *obj;
2850 g_assert(type != NULL);
2852 if (id == NULL) {
2853 qerror_report(QERR_MISSING_PARAMETER, "id");
2854 return -1;
2857 obj = object_new(type);
2858 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2859 object_unref(obj);
2860 return -1;
2863 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2864 error_setg(&local_err, "object '%s' isn't supported by -object",
2865 id);
2866 goto out;
2869 user_creatable_complete(obj, &local_err);
2870 if (local_err) {
2871 goto out;
2874 object_property_add_child(container_get(object_get_root(), "/objects"),
2875 id, obj, &local_err);
2877 out:
2878 object_unref(obj);
2879 if (local_err) {
2880 qerror_report_err(local_err);
2881 error_free(local_err);
2882 return -1;
2884 return 0;
2887 int main(int argc, char **argv)
2889 int i;
2890 int snapshot, linux_boot;
2891 const char *icount_option = NULL;
2892 const char *initrd_filename;
2893 const char *kernel_filename, *kernel_cmdline;
2894 const char *boot_order;
2895 DisplayState *ds;
2896 int cyls, heads, secs, translation;
2897 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2898 QemuOptsList *olist;
2899 int optind;
2900 const char *optarg;
2901 const char *loadvm = NULL;
2902 QEMUMachine *machine;
2903 const char *cpu_model;
2904 const char *vga_model = "none";
2905 const char *qtest_chrdev = NULL;
2906 const char *qtest_log = NULL;
2907 const char *pid_file = NULL;
2908 const char *incoming = NULL;
2909 #ifdef CONFIG_VNC
2910 int show_vnc_port = 0;
2911 #endif
2912 bool defconfig = true;
2913 bool userconfig = true;
2914 const char *log_mask = NULL;
2915 const char *log_file = NULL;
2916 GMemVTable mem_trace = {
2917 .malloc = malloc_and_trace,
2918 .realloc = realloc_and_trace,
2919 .free = free_and_trace,
2921 const char *trace_events = NULL;
2922 const char *trace_file = NULL;
2924 atexit(qemu_run_exit_notifiers);
2925 error_set_progname(argv[0]);
2927 g_mem_set_vtable(&mem_trace);
2928 if (!g_thread_supported()) {
2929 #if !GLIB_CHECK_VERSION(2, 31, 0)
2930 g_thread_init(NULL);
2931 #else
2932 fprintf(stderr, "glib threading failed to initialize.\n");
2933 exit(1);
2934 #endif
2937 module_call_init(MODULE_INIT_QOM);
2939 qemu_add_opts(&qemu_drive_opts);
2940 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2941 qemu_add_drive_opts(&qemu_common_drive_opts);
2942 qemu_add_drive_opts(&qemu_drive_opts);
2943 qemu_add_opts(&qemu_chardev_opts);
2944 qemu_add_opts(&qemu_device_opts);
2945 qemu_add_opts(&qemu_netdev_opts);
2946 qemu_add_opts(&qemu_net_opts);
2947 qemu_add_opts(&qemu_rtc_opts);
2948 qemu_add_opts(&qemu_global_opts);
2949 qemu_add_opts(&qemu_mon_opts);
2950 qemu_add_opts(&qemu_trace_opts);
2951 qemu_add_opts(&qemu_option_rom_opts);
2952 qemu_add_opts(&qemu_machine_opts);
2953 qemu_add_opts(&qemu_smp_opts);
2954 qemu_add_opts(&qemu_boot_opts);
2955 qemu_add_opts(&qemu_sandbox_opts);
2956 qemu_add_opts(&qemu_add_fd_opts);
2957 qemu_add_opts(&qemu_object_opts);
2958 qemu_add_opts(&qemu_tpmdev_opts);
2959 qemu_add_opts(&qemu_realtime_opts);
2960 qemu_add_opts(&qemu_msg_opts);
2962 runstate_init();
2964 init_clocks();
2965 rtc_clock = QEMU_CLOCK_HOST;
2967 qemu_cache_utils_init();
2969 QLIST_INIT (&vm_change_state_head);
2970 os_setup_early_signal_handling();
2972 module_call_init(MODULE_INIT_MACHINE);
2973 machine = 0;
2974 optarg = strrchr(argv[0], '/');
2975 if (optarg != 0) {
2976 machine = find_machine(optarg + 1);
2978 if (!machine) {
2979 machine = find_default_machine();
2981 cpu_model = NULL;
2982 ram_size = 0;
2983 snapshot = 0;
2984 cyls = heads = secs = 0;
2985 translation = BIOS_ATA_TRANSLATION_AUTO;
2987 for (i = 0; i < MAX_NODES; i++) {
2988 node_mem[i] = 0;
2989 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2992 nb_numa_nodes = 0;
2993 nb_nics = 0;
2995 bdrv_init_with_whitelist();
2997 autostart = 1;
2999 /* first pass of option parsing */
3000 optind = 1;
3001 while (optind < argc) {
3002 if (argv[optind][0] != '-') {
3003 /* disk image */
3004 optind++;
3005 continue;
3006 } else {
3007 const QEMUOption *popt;
3009 popt = lookup_opt(argc, argv, &optarg, &optind);
3010 switch (popt->index) {
3011 case QEMU_OPTION_nodefconfig:
3012 defconfig = false;
3013 break;
3014 case QEMU_OPTION_nouserconfig:
3015 userconfig = false;
3016 break;
3021 if (defconfig) {
3022 int ret;
3023 ret = qemu_read_default_config_files(userconfig);
3024 if (ret < 0) {
3025 exit(1);
3029 /* second pass of option parsing */
3030 optind = 1;
3031 for(;;) {
3032 if (optind >= argc)
3033 break;
3034 if (argv[optind][0] != '-') {
3035 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3036 } else {
3037 const QEMUOption *popt;
3039 popt = lookup_opt(argc, argv, &optarg, &optind);
3040 if (!(popt->arch_mask & arch_type)) {
3041 printf("Option %s not supported for this target\n", popt->name);
3042 exit(1);
3044 switch(popt->index) {
3045 case QEMU_OPTION_M:
3046 machine = machine_parse(optarg);
3047 break;
3048 case QEMU_OPTION_no_kvm_irqchip: {
3049 olist = qemu_find_opts("machine");
3050 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3051 break;
3053 case QEMU_OPTION_cpu:
3054 /* hw initialization will check this */
3055 cpu_model = optarg;
3056 break;
3057 case QEMU_OPTION_hda:
3059 char buf[256];
3060 if (cyls == 0)
3061 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3062 else
3063 snprintf(buf, sizeof(buf),
3064 "%s,cyls=%d,heads=%d,secs=%d%s",
3065 HD_OPTS , cyls, heads, secs,
3066 translation == BIOS_ATA_TRANSLATION_LBA ?
3067 ",trans=lba" :
3068 translation == BIOS_ATA_TRANSLATION_NONE ?
3069 ",trans=none" : "");
3070 drive_add(IF_DEFAULT, 0, optarg, buf);
3071 break;
3073 case QEMU_OPTION_hdb:
3074 case QEMU_OPTION_hdc:
3075 case QEMU_OPTION_hdd:
3076 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3077 HD_OPTS);
3078 break;
3079 case QEMU_OPTION_drive:
3080 if (drive_def(optarg) == NULL) {
3081 exit(1);
3083 break;
3084 case QEMU_OPTION_set:
3085 if (qemu_set_option(optarg) != 0)
3086 exit(1);
3087 break;
3088 case QEMU_OPTION_global:
3089 if (qemu_global_option(optarg) != 0)
3090 exit(1);
3091 break;
3092 case QEMU_OPTION_mtdblock:
3093 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3094 break;
3095 case QEMU_OPTION_sd:
3096 drive_add(IF_SD, -1, optarg, SD_OPTS);
3097 break;
3098 case QEMU_OPTION_pflash:
3099 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3100 break;
3101 case QEMU_OPTION_snapshot:
3102 snapshot = 1;
3103 break;
3104 case QEMU_OPTION_hdachs:
3106 const char *p;
3107 p = optarg;
3108 cyls = strtol(p, (char **)&p, 0);
3109 if (cyls < 1 || cyls > 16383)
3110 goto chs_fail;
3111 if (*p != ',')
3112 goto chs_fail;
3113 p++;
3114 heads = strtol(p, (char **)&p, 0);
3115 if (heads < 1 || heads > 16)
3116 goto chs_fail;
3117 if (*p != ',')
3118 goto chs_fail;
3119 p++;
3120 secs = strtol(p, (char **)&p, 0);
3121 if (secs < 1 || secs > 63)
3122 goto chs_fail;
3123 if (*p == ',') {
3124 p++;
3125 if (!strcmp(p, "none"))
3126 translation = BIOS_ATA_TRANSLATION_NONE;
3127 else if (!strcmp(p, "lba"))
3128 translation = BIOS_ATA_TRANSLATION_LBA;
3129 else if (!strcmp(p, "auto"))
3130 translation = BIOS_ATA_TRANSLATION_AUTO;
3131 else
3132 goto chs_fail;
3133 } else if (*p != '\0') {
3134 chs_fail:
3135 fprintf(stderr, "qemu: invalid physical CHS format\n");
3136 exit(1);
3138 if (hda_opts != NULL) {
3139 char num[16];
3140 snprintf(num, sizeof(num), "%d", cyls);
3141 qemu_opt_set(hda_opts, "cyls", num);
3142 snprintf(num, sizeof(num), "%d", heads);
3143 qemu_opt_set(hda_opts, "heads", num);
3144 snprintf(num, sizeof(num), "%d", secs);
3145 qemu_opt_set(hda_opts, "secs", num);
3146 if (translation == BIOS_ATA_TRANSLATION_LBA)
3147 qemu_opt_set(hda_opts, "trans", "lba");
3148 if (translation == BIOS_ATA_TRANSLATION_NONE)
3149 qemu_opt_set(hda_opts, "trans", "none");
3152 break;
3153 case QEMU_OPTION_numa:
3154 numa_add(optarg);
3155 break;
3156 case QEMU_OPTION_display:
3157 display_type = select_display(optarg);
3158 break;
3159 case QEMU_OPTION_nographic:
3160 display_type = DT_NOGRAPHIC;
3161 break;
3162 case QEMU_OPTION_curses:
3163 #ifdef CONFIG_CURSES
3164 display_type = DT_CURSES;
3165 #else
3166 fprintf(stderr, "Curses support is disabled\n");
3167 exit(1);
3168 #endif
3169 break;
3170 case QEMU_OPTION_portrait:
3171 graphic_rotate = 90;
3172 break;
3173 case QEMU_OPTION_rotate:
3174 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3175 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3176 graphic_rotate != 180 && graphic_rotate != 270) {
3177 fprintf(stderr,
3178 "qemu: only 90, 180, 270 deg rotation is available\n");
3179 exit(1);
3181 break;
3182 case QEMU_OPTION_kernel:
3183 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3184 break;
3185 case QEMU_OPTION_initrd:
3186 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3187 break;
3188 case QEMU_OPTION_append:
3189 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3190 break;
3191 case QEMU_OPTION_dtb:
3192 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3193 break;
3194 case QEMU_OPTION_cdrom:
3195 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3196 break;
3197 case QEMU_OPTION_boot:
3198 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3199 if (!opts) {
3200 exit(1);
3202 break;
3203 case QEMU_OPTION_fda:
3204 case QEMU_OPTION_fdb:
3205 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3206 optarg, FD_OPTS);
3207 break;
3208 case QEMU_OPTION_no_fd_bootchk:
3209 fd_bootchk = 0;
3210 break;
3211 case QEMU_OPTION_netdev:
3212 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3213 exit(1);
3215 break;
3216 case QEMU_OPTION_net:
3217 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3218 exit(1);
3220 break;
3221 #ifdef CONFIG_LIBISCSI
3222 case QEMU_OPTION_iscsi:
3223 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3224 if (!opts) {
3225 exit(1);
3227 break;
3228 #endif
3229 #ifdef CONFIG_SLIRP
3230 case QEMU_OPTION_tftp:
3231 legacy_tftp_prefix = optarg;
3232 break;
3233 case QEMU_OPTION_bootp:
3234 legacy_bootp_filename = optarg;
3235 break;
3236 case QEMU_OPTION_redir:
3237 if (net_slirp_redir(optarg) < 0)
3238 exit(1);
3239 break;
3240 #endif
3241 case QEMU_OPTION_bt:
3242 add_device_config(DEV_BT, optarg);
3243 break;
3244 case QEMU_OPTION_audio_help:
3245 AUD_help ();
3246 exit (0);
3247 break;
3248 case QEMU_OPTION_soundhw:
3249 select_soundhw (optarg);
3250 break;
3251 case QEMU_OPTION_h:
3252 help(0);
3253 break;
3254 case QEMU_OPTION_version:
3255 version();
3256 exit(0);
3257 break;
3258 case QEMU_OPTION_m: {
3259 int64_t value;
3260 uint64_t sz;
3261 char *end;
3263 value = strtosz(optarg, &end);
3264 if (value < 0 || *end) {
3265 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3266 exit(1);
3268 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3269 ram_size = sz;
3270 if (ram_size != sz) {
3271 fprintf(stderr, "qemu: ram size too large\n");
3272 exit(1);
3274 break;
3276 #ifdef CONFIG_TPM
3277 case QEMU_OPTION_tpmdev:
3278 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3279 exit(1);
3281 break;
3282 #endif
3283 case QEMU_OPTION_mempath:
3284 mem_path = optarg;
3285 break;
3286 case QEMU_OPTION_mem_prealloc:
3287 mem_prealloc = 1;
3288 break;
3289 case QEMU_OPTION_d:
3290 log_mask = optarg;
3291 break;
3292 case QEMU_OPTION_D:
3293 log_file = optarg;
3294 break;
3295 case QEMU_OPTION_s:
3296 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3297 break;
3298 case QEMU_OPTION_gdb:
3299 add_device_config(DEV_GDB, optarg);
3300 break;
3301 case QEMU_OPTION_L:
3302 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3303 data_dir[data_dir_idx++] = optarg;
3305 break;
3306 case QEMU_OPTION_bios:
3307 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3308 break;
3309 case QEMU_OPTION_singlestep:
3310 singlestep = 1;
3311 break;
3312 case QEMU_OPTION_S:
3313 autostart = 0;
3314 break;
3315 case QEMU_OPTION_k:
3316 keyboard_layout = optarg;
3317 break;
3318 case QEMU_OPTION_localtime:
3319 rtc_utc = 0;
3320 break;
3321 case QEMU_OPTION_vga:
3322 vga_model = optarg;
3323 default_vga = 0;
3324 break;
3325 case QEMU_OPTION_g:
3327 const char *p;
3328 int w, h, depth;
3329 p = optarg;
3330 w = strtol(p, (char **)&p, 10);
3331 if (w <= 0) {
3332 graphic_error:
3333 fprintf(stderr, "qemu: invalid resolution or depth\n");
3334 exit(1);
3336 if (*p != 'x')
3337 goto graphic_error;
3338 p++;
3339 h = strtol(p, (char **)&p, 10);
3340 if (h <= 0)
3341 goto graphic_error;
3342 if (*p == 'x') {
3343 p++;
3344 depth = strtol(p, (char **)&p, 10);
3345 if (depth != 8 && depth != 15 && depth != 16 &&
3346 depth != 24 && depth != 32)
3347 goto graphic_error;
3348 } else if (*p == '\0') {
3349 depth = graphic_depth;
3350 } else {
3351 goto graphic_error;
3354 graphic_width = w;
3355 graphic_height = h;
3356 graphic_depth = depth;
3358 break;
3359 case QEMU_OPTION_echr:
3361 char *r;
3362 term_escape_char = strtol(optarg, &r, 0);
3363 if (r == optarg)
3364 printf("Bad argument to echr\n");
3365 break;
3367 case QEMU_OPTION_monitor:
3368 default_monitor = 0;
3369 if (strncmp(optarg, "none", 4)) {
3370 monitor_parse(optarg, "readline");
3372 break;
3373 case QEMU_OPTION_qmp:
3374 monitor_parse(optarg, "control");
3375 default_monitor = 0;
3376 break;
3377 case QEMU_OPTION_mon:
3378 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3379 if (!opts) {
3380 exit(1);
3382 default_monitor = 0;
3383 break;
3384 case QEMU_OPTION_chardev:
3385 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3386 if (!opts) {
3387 exit(1);
3389 break;
3390 case QEMU_OPTION_fsdev:
3391 olist = qemu_find_opts("fsdev");
3392 if (!olist) {
3393 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3394 exit(1);
3396 opts = qemu_opts_parse(olist, optarg, 1);
3397 if (!opts) {
3398 exit(1);
3400 break;
3401 case QEMU_OPTION_virtfs: {
3402 QemuOpts *fsdev;
3403 QemuOpts *device;
3404 const char *writeout, *sock_fd, *socket;
3406 olist = qemu_find_opts("virtfs");
3407 if (!olist) {
3408 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3409 exit(1);
3411 opts = qemu_opts_parse(olist, optarg, 1);
3412 if (!opts) {
3413 exit(1);
3416 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3417 qemu_opt_get(opts, "mount_tag") == NULL) {
3418 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3419 exit(1);
3421 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3422 qemu_opt_get(opts, "mount_tag"),
3423 1, NULL);
3424 if (!fsdev) {
3425 fprintf(stderr, "duplicate fsdev id: %s\n",
3426 qemu_opt_get(opts, "mount_tag"));
3427 exit(1);
3430 writeout = qemu_opt_get(opts, "writeout");
3431 if (writeout) {
3432 #ifdef CONFIG_SYNC_FILE_RANGE
3433 qemu_opt_set(fsdev, "writeout", writeout);
3434 #else
3435 fprintf(stderr, "writeout=immediate not supported on "
3436 "this platform\n");
3437 exit(1);
3438 #endif
3440 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3441 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3442 qemu_opt_set(fsdev, "security_model",
3443 qemu_opt_get(opts, "security_model"));
3444 socket = qemu_opt_get(opts, "socket");
3445 if (socket) {
3446 qemu_opt_set(fsdev, "socket", socket);
3448 sock_fd = qemu_opt_get(opts, "sock_fd");
3449 if (sock_fd) {
3450 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3453 qemu_opt_set_bool(fsdev, "readonly",
3454 qemu_opt_get_bool(opts, "readonly", 0));
3455 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3456 &error_abort);
3457 qemu_opt_set(device, "driver", "virtio-9p-pci");
3458 qemu_opt_set(device, "fsdev",
3459 qemu_opt_get(opts, "mount_tag"));
3460 qemu_opt_set(device, "mount_tag",
3461 qemu_opt_get(opts, "mount_tag"));
3462 break;
3464 case QEMU_OPTION_virtfs_synth: {
3465 QemuOpts *fsdev;
3466 QemuOpts *device;
3468 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3469 1, NULL);
3470 if (!fsdev) {
3471 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3472 exit(1);
3474 qemu_opt_set(fsdev, "fsdriver", "synth");
3476 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3477 &error_abort);
3478 qemu_opt_set(device, "driver", "virtio-9p-pci");
3479 qemu_opt_set(device, "fsdev", "v_synth");
3480 qemu_opt_set(device, "mount_tag", "v_synth");
3481 break;
3483 case QEMU_OPTION_serial:
3484 add_device_config(DEV_SERIAL, optarg);
3485 default_serial = 0;
3486 if (strncmp(optarg, "mon:", 4) == 0) {
3487 default_monitor = 0;
3489 break;
3490 case QEMU_OPTION_watchdog:
3491 if (watchdog) {
3492 fprintf(stderr,
3493 "qemu: only one watchdog option may be given\n");
3494 return 1;
3496 watchdog = optarg;
3497 break;
3498 case QEMU_OPTION_watchdog_action:
3499 if (select_watchdog_action(optarg) == -1) {
3500 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3501 exit(1);
3503 break;
3504 case QEMU_OPTION_virtiocon:
3505 add_device_config(DEV_VIRTCON, optarg);
3506 default_virtcon = 0;
3507 if (strncmp(optarg, "mon:", 4) == 0) {
3508 default_monitor = 0;
3510 break;
3511 case QEMU_OPTION_parallel:
3512 add_device_config(DEV_PARALLEL, optarg);
3513 default_parallel = 0;
3514 if (strncmp(optarg, "mon:", 4) == 0) {
3515 default_monitor = 0;
3517 break;
3518 case QEMU_OPTION_debugcon:
3519 add_device_config(DEV_DEBUGCON, optarg);
3520 break;
3521 case QEMU_OPTION_loadvm:
3522 loadvm = optarg;
3523 break;
3524 case QEMU_OPTION_full_screen:
3525 full_screen = 1;
3526 break;
3527 case QEMU_OPTION_no_frame:
3528 no_frame = 1;
3529 break;
3530 case QEMU_OPTION_alt_grab:
3531 alt_grab = 1;
3532 break;
3533 case QEMU_OPTION_ctrl_grab:
3534 ctrl_grab = 1;
3535 break;
3536 case QEMU_OPTION_no_quit:
3537 no_quit = 1;
3538 break;
3539 case QEMU_OPTION_sdl:
3540 #ifdef CONFIG_SDL
3541 display_type = DT_SDL;
3542 break;
3543 #else
3544 fprintf(stderr, "SDL support is disabled\n");
3545 exit(1);
3546 #endif
3547 case QEMU_OPTION_pidfile:
3548 pid_file = optarg;
3549 break;
3550 case QEMU_OPTION_win2k_hack:
3551 win2k_install_hack = 1;
3552 break;
3553 case QEMU_OPTION_rtc_td_hack: {
3554 static GlobalProperty slew_lost_ticks[] = {
3556 .driver = "mc146818rtc",
3557 .property = "lost_tick_policy",
3558 .value = "slew",
3560 { /* end of list */ }
3563 qdev_prop_register_global_list(slew_lost_ticks);
3564 break;
3566 case QEMU_OPTION_acpitable:
3567 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3568 if (!opts) {
3569 exit(1);
3571 do_acpitable_option(opts);
3572 break;
3573 case QEMU_OPTION_smbios:
3574 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3575 if (!opts) {
3576 exit(1);
3578 do_smbios_option(opts);
3579 break;
3580 case QEMU_OPTION_enable_kvm:
3581 olist = qemu_find_opts("machine");
3582 qemu_opts_parse(olist, "accel=kvm", 0);
3583 break;
3584 case QEMU_OPTION_machine:
3585 olist = qemu_find_opts("machine");
3586 opts = qemu_opts_parse(olist, optarg, 1);
3587 if (!opts) {
3588 exit(1);
3590 optarg = qemu_opt_get(opts, "type");
3591 if (optarg) {
3592 machine = machine_parse(optarg);
3594 break;
3595 case QEMU_OPTION_no_kvm:
3596 olist = qemu_find_opts("machine");
3597 qemu_opts_parse(olist, "accel=tcg", 0);
3598 break;
3599 case QEMU_OPTION_no_kvm_pit: {
3600 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3601 "separately.\n");
3602 break;
3604 case QEMU_OPTION_no_kvm_pit_reinjection: {
3605 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3607 .driver = "kvm-pit",
3608 .property = "lost_tick_policy",
3609 .value = "discard",
3611 { /* end of list */ }
3614 fprintf(stderr, "Warning: option deprecated, use "
3615 "lost_tick_policy property of kvm-pit instead.\n");
3616 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3617 break;
3619 case QEMU_OPTION_usb:
3620 olist = qemu_find_opts("machine");
3621 qemu_opts_parse(olist, "usb=on", 0);
3622 break;
3623 case QEMU_OPTION_usbdevice:
3624 olist = qemu_find_opts("machine");
3625 qemu_opts_parse(olist, "usb=on", 0);
3626 add_device_config(DEV_USB, optarg);
3627 break;
3628 case QEMU_OPTION_device:
3629 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3630 exit(1);
3632 break;
3633 case QEMU_OPTION_smp:
3634 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3635 exit(1);
3637 break;
3638 case QEMU_OPTION_vnc:
3639 #ifdef CONFIG_VNC
3640 display_remote++;
3641 vnc_display = optarg;
3642 #else
3643 fprintf(stderr, "VNC support is disabled\n");
3644 exit(1);
3645 #endif
3646 break;
3647 case QEMU_OPTION_no_acpi:
3648 acpi_enabled = 0;
3649 break;
3650 case QEMU_OPTION_no_hpet:
3651 no_hpet = 1;
3652 break;
3653 case QEMU_OPTION_balloon:
3654 if (balloon_parse(optarg) < 0) {
3655 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3656 exit(1);
3658 break;
3659 case QEMU_OPTION_no_reboot:
3660 no_reboot = 1;
3661 break;
3662 case QEMU_OPTION_no_shutdown:
3663 no_shutdown = 1;
3664 break;
3665 case QEMU_OPTION_show_cursor:
3666 cursor_hide = 0;
3667 break;
3668 case QEMU_OPTION_uuid:
3669 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3670 fprintf(stderr, "Fail to parse UUID string."
3671 " Wrong format.\n");
3672 exit(1);
3674 qemu_uuid_set = true;
3675 break;
3676 case QEMU_OPTION_option_rom:
3677 if (nb_option_roms >= MAX_OPTION_ROMS) {
3678 fprintf(stderr, "Too many option ROMs\n");
3679 exit(1);
3681 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3682 if (!opts) {
3683 exit(1);
3685 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3686 option_rom[nb_option_roms].bootindex =
3687 qemu_opt_get_number(opts, "bootindex", -1);
3688 if (!option_rom[nb_option_roms].name) {
3689 fprintf(stderr, "Option ROM file is not specified\n");
3690 exit(1);
3692 nb_option_roms++;
3693 break;
3694 case QEMU_OPTION_semihosting:
3695 semihosting_enabled = 1;
3696 break;
3697 case QEMU_OPTION_tdf:
3698 fprintf(stderr, "Warning: user space PIT time drift fix "
3699 "is no longer supported.\n");
3700 break;
3701 case QEMU_OPTION_name:
3702 qemu_name = g_strdup(optarg);
3704 char *p = strchr(qemu_name, ',');
3705 if (p != NULL) {
3706 *p++ = 0;
3707 if (strncmp(p, "process=", 8)) {
3708 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3709 exit(1);
3711 p += 8;
3712 os_set_proc_name(p);
3715 break;
3716 case QEMU_OPTION_prom_env:
3717 if (nb_prom_envs >= MAX_PROM_ENVS) {
3718 fprintf(stderr, "Too many prom variables\n");
3719 exit(1);
3721 prom_envs[nb_prom_envs] = optarg;
3722 nb_prom_envs++;
3723 break;
3724 case QEMU_OPTION_old_param:
3725 old_param = 1;
3726 break;
3727 case QEMU_OPTION_clock:
3728 /* Clock options no longer exist. Keep this option for
3729 * backward compatibility.
3731 break;
3732 case QEMU_OPTION_startdate:
3733 configure_rtc_date_offset(optarg, 1);
3734 break;
3735 case QEMU_OPTION_rtc:
3736 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3737 if (!opts) {
3738 exit(1);
3740 configure_rtc(opts);
3741 break;
3742 case QEMU_OPTION_tb_size:
3743 tcg_tb_size = strtol(optarg, NULL, 0);
3744 if (tcg_tb_size < 0) {
3745 tcg_tb_size = 0;
3747 break;
3748 case QEMU_OPTION_icount:
3749 icount_option = optarg;
3750 break;
3751 case QEMU_OPTION_incoming:
3752 incoming = optarg;
3753 runstate_set(RUN_STATE_INMIGRATE);
3754 break;
3755 case QEMU_OPTION_nodefaults:
3756 default_serial = 0;
3757 default_parallel = 0;
3758 default_virtcon = 0;
3759 default_sclp = 0;
3760 default_monitor = 0;
3761 default_net = 0;
3762 default_floppy = 0;
3763 default_cdrom = 0;
3764 default_sdcard = 0;
3765 default_vga = 0;
3766 break;
3767 case QEMU_OPTION_xen_domid:
3768 if (!(xen_available())) {
3769 printf("Option %s not supported for this target\n", popt->name);
3770 exit(1);
3772 xen_domid = atoi(optarg);
3773 break;
3774 case QEMU_OPTION_xen_create:
3775 if (!(xen_available())) {
3776 printf("Option %s not supported for this target\n", popt->name);
3777 exit(1);
3779 xen_mode = XEN_CREATE;
3780 break;
3781 case QEMU_OPTION_xen_attach:
3782 if (!(xen_available())) {
3783 printf("Option %s not supported for this target\n", popt->name);
3784 exit(1);
3786 xen_mode = XEN_ATTACH;
3787 break;
3788 case QEMU_OPTION_trace:
3790 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3791 if (!opts) {
3792 exit(1);
3794 trace_events = qemu_opt_get(opts, "events");
3795 trace_file = qemu_opt_get(opts, "file");
3796 break;
3798 case QEMU_OPTION_trace_unassigned:
3799 trace_unassigned = true;
3800 break;
3801 case QEMU_OPTION_readconfig:
3803 int ret = qemu_read_config_file(optarg);
3804 if (ret < 0) {
3805 fprintf(stderr, "read config %s: %s\n", optarg,
3806 strerror(-ret));
3807 exit(1);
3809 break;
3811 case QEMU_OPTION_spice:
3812 olist = qemu_find_opts("spice");
3813 if (!olist) {
3814 fprintf(stderr, "spice is not supported by this qemu build.\n");
3815 exit(1);
3817 opts = qemu_opts_parse(olist, optarg, 0);
3818 if (!opts) {
3819 exit(1);
3821 display_remote++;
3822 break;
3823 case QEMU_OPTION_writeconfig:
3825 FILE *fp;
3826 if (strcmp(optarg, "-") == 0) {
3827 fp = stdout;
3828 } else {
3829 fp = fopen(optarg, "w");
3830 if (fp == NULL) {
3831 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3832 exit(1);
3835 qemu_config_write(fp);
3836 fclose(fp);
3837 break;
3839 case QEMU_OPTION_qtest:
3840 qtest_chrdev = optarg;
3841 break;
3842 case QEMU_OPTION_qtest_log:
3843 qtest_log = optarg;
3844 break;
3845 case QEMU_OPTION_sandbox:
3846 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3847 if (!opts) {
3848 exit(1);
3850 break;
3851 case QEMU_OPTION_add_fd:
3852 #ifndef _WIN32
3853 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3854 if (!opts) {
3855 exit(1);
3857 #else
3858 error_report("File descriptor passing is disabled on this "
3859 "platform");
3860 exit(1);
3861 #endif
3862 break;
3863 case QEMU_OPTION_object:
3864 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3865 if (!opts) {
3866 exit(1);
3868 break;
3869 case QEMU_OPTION_realtime:
3870 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3871 if (!opts) {
3872 exit(1);
3874 configure_realtime(opts);
3875 break;
3876 case QEMU_OPTION_msg:
3877 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3878 if (!opts) {
3879 exit(1);
3881 configure_msg(opts);
3882 break;
3883 default:
3884 os_parse_cmd_args(popt->index, optarg);
3888 loc_set_none();
3890 if (qemu_init_main_loop()) {
3891 fprintf(stderr, "qemu_init_main_loop failed\n");
3892 exit(1);
3895 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3896 exit(1);
3899 #ifndef _WIN32
3900 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3901 exit(1);
3904 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3905 exit(1);
3907 #endif
3909 if (machine == NULL) {
3910 fprintf(stderr, "No machine found.\n");
3911 exit(1);
3914 if (machine->hw_version) {
3915 qemu_set_version(machine->hw_version);
3918 if (qemu_opts_foreach(qemu_find_opts("object"),
3919 object_create, NULL, 0) != 0) {
3920 exit(1);
3923 /* Init CPU def lists, based on config
3924 * - Must be called after all the qemu_read_config_file() calls
3925 * - Must be called before list_cpus()
3926 * - Must be called before machine->init()
3928 cpudef_init();
3930 if (cpu_model && is_help_option(cpu_model)) {
3931 list_cpus(stdout, &fprintf, cpu_model);
3932 exit(0);
3935 /* Open the logfile at this point, if necessary. We can't open the logfile
3936 * when encountering either of the logging options (-d or -D) because the
3937 * other one may be encountered later on the command line, changing the
3938 * location or level of logging.
3940 if (log_mask) {
3941 int mask;
3942 if (log_file) {
3943 qemu_set_log_filename(log_file);
3946 mask = qemu_str_to_log_mask(log_mask);
3947 if (!mask) {
3948 qemu_print_log_usage(stdout);
3949 exit(1);
3951 qemu_set_log(mask);
3954 if (!is_daemonized()) {
3955 if (!trace_backend_init(trace_events, trace_file)) {
3956 exit(1);
3960 /* If no data_dir is specified then try to find it relative to the
3961 executable path. */
3962 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3963 data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3964 if (data_dir[data_dir_idx] != NULL) {
3965 data_dir_idx++;
3968 /* If all else fails use the install path specified when building. */
3969 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3970 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3973 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3975 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3976 if (smp_cpus > machine->max_cpus) {
3977 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3978 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3979 machine->max_cpus);
3980 exit(1);
3984 * Get the default machine options from the machine if it is not already
3985 * specified either by the configuration file or by the command line.
3987 if (machine->default_machine_opts) {
3988 qemu_opts_set_defaults(qemu_find_opts("machine"),
3989 machine->default_machine_opts, 0);
3992 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3993 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3995 if (machine->no_serial) {
3996 default_serial = 0;
3998 if (machine->no_parallel) {
3999 default_parallel = 0;
4001 if (!machine->use_virtcon) {
4002 default_virtcon = 0;
4004 if (!machine->use_sclp) {
4005 default_sclp = 0;
4007 if (machine->no_floppy) {
4008 default_floppy = 0;
4010 if (machine->no_cdrom) {
4011 default_cdrom = 0;
4013 if (machine->no_sdcard) {
4014 default_sdcard = 0;
4017 if (is_daemonized()) {
4018 /* According to documentation and historically, -nographic redirects
4019 * serial port, parallel port and monitor to stdio, which does not work
4020 * with -daemonize. We can redirect these to null instead, but since
4021 * -nographic is legacy, let's just error out.
4022 * We disallow -nographic only if all other ports are not redirected
4023 * explicitly, to not break existing legacy setups which uses
4024 * -nographic _and_ redirects all ports explicitly - this is valid
4025 * usage, -nographic is just a no-op in this case.
4027 if (display_type == DT_NOGRAPHIC
4028 && (default_parallel || default_serial
4029 || default_monitor || default_virtcon)) {
4030 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4031 exit(1);
4033 #ifdef CONFIG_CURSES
4034 if (display_type == DT_CURSES) {
4035 fprintf(stderr, "curses display can not be used with -daemonize\n");
4036 exit(1);
4038 #endif
4041 if (display_type == DT_NOGRAPHIC) {
4042 if (default_parallel)
4043 add_device_config(DEV_PARALLEL, "null");
4044 if (default_serial && default_monitor) {
4045 add_device_config(DEV_SERIAL, "mon:stdio");
4046 } else if (default_virtcon && default_monitor) {
4047 add_device_config(DEV_VIRTCON, "mon:stdio");
4048 } else if (default_sclp && default_monitor) {
4049 add_device_config(DEV_SCLP, "mon:stdio");
4050 } else {
4051 if (default_serial)
4052 add_device_config(DEV_SERIAL, "stdio");
4053 if (default_virtcon)
4054 add_device_config(DEV_VIRTCON, "stdio");
4055 if (default_sclp) {
4056 add_device_config(DEV_SCLP, "stdio");
4058 if (default_monitor)
4059 monitor_parse("stdio", "readline");
4061 } else {
4062 if (default_serial)
4063 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4064 if (default_parallel)
4065 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4066 if (default_monitor)
4067 monitor_parse("vc:80Cx24C", "readline");
4068 if (default_virtcon)
4069 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4070 if (default_sclp) {
4071 add_device_config(DEV_SCLP, "vc:80Cx24C");
4075 if (display_type == DT_DEFAULT && !display_remote) {
4076 #if defined(CONFIG_GTK)
4077 display_type = DT_GTK;
4078 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4079 display_type = DT_SDL;
4080 #elif defined(CONFIG_VNC)
4081 vnc_display = "localhost:0,to=99";
4082 show_vnc_port = 1;
4083 #else
4084 display_type = DT_NONE;
4085 #endif
4088 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4089 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4090 "for SDL, ignoring option\n");
4092 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4093 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4094 "ignoring option\n");
4097 #if defined(CONFIG_GTK)
4098 if (display_type == DT_GTK) {
4099 early_gtk_display_init();
4101 #endif
4103 socket_init();
4105 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4106 exit(1);
4107 #ifdef CONFIG_VIRTFS
4108 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4109 exit(1);
4111 #endif
4113 os_daemonize();
4115 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4116 os_pidfile_error();
4117 exit(1);
4120 /* init the memory */
4121 if (ram_size == 0) {
4122 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4125 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4126 != 0) {
4127 exit(0);
4130 configure_accelerator();
4132 if (qtest_chrdev) {
4133 qtest_init(qtest_chrdev, qtest_log);
4136 machine_opts = qemu_get_machine_opts();
4137 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4138 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4139 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4140 bios_name = qemu_opt_get(machine_opts, "firmware");
4142 boot_order = machine->default_boot_order;
4143 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4144 if (opts) {
4145 char *normal_boot_order;
4146 const char *order, *once;
4148 order = qemu_opt_get(opts, "order");
4149 if (order) {
4150 validate_bootdevices(order);
4151 boot_order = order;
4154 once = qemu_opt_get(opts, "once");
4155 if (once) {
4156 validate_bootdevices(once);
4157 normal_boot_order = g_strdup(boot_order);
4158 boot_order = once;
4159 qemu_register_reset(restore_boot_order, normal_boot_order);
4162 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4163 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4166 if (!kernel_cmdline) {
4167 kernel_cmdline = "";
4170 linux_boot = (kernel_filename != NULL);
4172 if (!linux_boot && *kernel_cmdline != '\0') {
4173 fprintf(stderr, "-append only allowed with -kernel option\n");
4174 exit(1);
4177 if (!linux_boot && initrd_filename != NULL) {
4178 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4179 exit(1);
4182 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4183 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4184 exit(1);
4187 os_set_line_buffering();
4189 qemu_init_cpu_loop();
4190 qemu_mutex_lock_iothread();
4192 #ifdef CONFIG_SPICE
4193 /* spice needs the timers to be initialized by this point */
4194 qemu_spice_init();
4195 #endif
4197 if (icount_option && (kvm_enabled() || xen_enabled())) {
4198 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4199 exit(1);
4201 configure_icount(icount_option);
4203 /* clean up network at qemu process termination */
4204 atexit(&net_cleanup);
4206 if (net_init_clients() < 0) {
4207 exit(1);
4210 #ifdef CONFIG_TPM
4211 if (tpm_init() < 0) {
4212 exit(1);
4214 #endif
4216 /* init the bluetooth world */
4217 if (foreach_device_config(DEV_BT, bt_parse))
4218 exit(1);
4220 if (!xen_enabled()) {
4221 /* On 32-bit hosts, QEMU is limited by virtual address space */
4222 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4223 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4224 exit(1);
4228 cpu_exec_init_all();
4230 blk_mig_init();
4232 /* open the virtual block devices */
4233 if (snapshot)
4234 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4235 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4236 &machine->block_default_type, 1) != 0) {
4237 exit(1);
4240 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4241 CDROM_OPTS);
4242 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4243 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4245 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4247 if (nb_numa_nodes > 0) {
4248 int i;
4250 if (nb_numa_nodes > MAX_NODES) {
4251 nb_numa_nodes = MAX_NODES;
4254 /* If no memory size if given for any node, assume the default case
4255 * and distribute the available memory equally across all nodes
4257 for (i = 0; i < nb_numa_nodes; i++) {
4258 if (node_mem[i] != 0)
4259 break;
4261 if (i == nb_numa_nodes) {
4262 uint64_t usedmem = 0;
4264 /* On Linux, the each node's border has to be 8MB aligned,
4265 * the final node gets the rest.
4267 for (i = 0; i < nb_numa_nodes - 1; i++) {
4268 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4269 usedmem += node_mem[i];
4271 node_mem[i] = ram_size - usedmem;
4274 for (i = 0; i < nb_numa_nodes; i++) {
4275 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4276 break;
4279 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4280 * must cope with this anyway, because there are BIOSes out there in
4281 * real machines which also use this scheme.
4283 if (i == nb_numa_nodes) {
4284 for (i = 0; i < max_cpus; i++) {
4285 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4290 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4291 exit(1);
4294 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4295 exit(1);
4296 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4297 exit(1);
4298 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4299 exit(1);
4300 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4301 exit(1);
4303 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4304 exit(1);
4306 /* If no default VGA is requested, the default is "none". */
4307 if (default_vga) {
4308 if (cirrus_vga_available()) {
4309 vga_model = "cirrus";
4310 } else if (vga_available()) {
4311 vga_model = "std";
4314 select_vgahw(vga_model);
4316 if (watchdog) {
4317 i = select_watchdog(watchdog);
4318 if (i > 0)
4319 exit (i == 1 ? 1 : 0);
4322 if (machine->compat_props) {
4323 qdev_prop_register_global_list(machine->compat_props);
4325 qemu_add_globals();
4327 qdev_machine_init();
4329 QEMUMachineInitArgs args = { .machine = machine,
4330 .ram_size = ram_size,
4331 .boot_order = boot_order,
4332 .kernel_filename = kernel_filename,
4333 .kernel_cmdline = kernel_cmdline,
4334 .initrd_filename = initrd_filename,
4335 .cpu_model = cpu_model };
4336 machine->init(&args);
4338 audio_init();
4340 cpu_synchronize_all_post_init();
4342 set_numa_modes();
4344 current_machine = machine;
4346 /* init USB devices */
4347 if (usb_enabled(false)) {
4348 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4349 exit(1);
4352 /* init generic devices */
4353 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4354 exit(1);
4356 net_check_clients();
4358 ds = init_displaystate();
4360 /* init local displays */
4361 switch (display_type) {
4362 case DT_NOGRAPHIC:
4363 (void)ds; /* avoid warning if no display is configured */
4364 break;
4365 #if defined(CONFIG_CURSES)
4366 case DT_CURSES:
4367 curses_display_init(ds, full_screen);
4368 break;
4369 #endif
4370 #if defined(CONFIG_SDL)
4371 case DT_SDL:
4372 sdl_display_init(ds, full_screen, no_frame);
4373 break;
4374 #elif defined(CONFIG_COCOA)
4375 case DT_SDL:
4376 cocoa_display_init(ds, full_screen);
4377 break;
4378 #endif
4379 #if defined(CONFIG_GTK)
4380 case DT_GTK:
4381 gtk_display_init(ds, full_screen);
4382 break;
4383 #endif
4384 default:
4385 break;
4388 /* must be after terminal init, SDL library changes signal handlers */
4389 os_setup_signal_handling();
4391 #ifdef CONFIG_VNC
4392 /* init remote displays */
4393 if (vnc_display) {
4394 Error *local_err = NULL;
4395 vnc_display_init(ds);
4396 vnc_display_open(ds, vnc_display, &local_err);
4397 if (local_err != NULL) {
4398 error_report("Failed to start VNC server on `%s': %s",
4399 vnc_display, error_get_pretty(local_err));
4400 error_free(local_err);
4401 exit(1);
4404 if (show_vnc_port) {
4405 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4408 #endif
4409 #ifdef CONFIG_SPICE
4410 if (using_spice) {
4411 qemu_spice_display_init();
4413 #endif
4415 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4416 exit(1);
4419 qdev_machine_creation_done();
4421 if (rom_load_all() != 0) {
4422 fprintf(stderr, "rom loading failed\n");
4423 exit(1);
4426 /* TODO: once all bus devices are qdevified, this should be done
4427 * when bus is created by qdev.c */
4428 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4429 qemu_run_machine_init_done_notifiers();
4431 /* Done notifiers can load ROMs */
4432 rom_load_done();
4434 qemu_system_reset(VMRESET_SILENT);
4435 if (loadvm) {
4436 if (load_vmstate(loadvm) < 0) {
4437 autostart = 0;
4441 if (incoming) {
4442 Error *local_err = NULL;
4443 qemu_start_incoming_migration(incoming, &local_err);
4444 if (local_err) {
4445 error_report("-incoming %s: %s", incoming,
4446 error_get_pretty(local_err));
4447 error_free(local_err);
4448 exit(1);
4450 } else if (autostart) {
4451 vm_start();
4454 os_setup_post();
4456 if (is_daemonized()) {
4457 if (!trace_backend_init(trace_events, trace_file)) {
4458 exit(1);
4462 main_loop();
4463 bdrv_close_all();
4464 pause_all_vcpus();
4465 res_free();
4466 #ifdef CONFIG_TPM
4467 tpm_cleanup();
4468 #endif
4470 return 0;