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QemuOpts: allow new option groups be registered at runtime.
[thirdparty/qemu.git] / vl.c
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0824d6fc 1/*
80cabfad 2 * QEMU System Emulator
5fafdf24 3 *
68d0f70e 4 * Copyright (c) 2003-2008 Fabrice Bellard
5fafdf24 5 *
1df912cf
FB		 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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
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.
0824d6fc 23 */
0824d6fc 24#include <unistd.h>
0824d6fc
FB		 25#include <fcntl.h>
26#include <signal.h>
27#include <time.h>
0824d6fc 28#include <errno.h>
67b915a5 29#include <sys/time.h>
c88676f8 30#include <zlib.h>
67b915a5 31
71e72a19 32/* Needed early for CONFIG_BSD etc. */
d40cdb10
BS		 33#include "config-host.h"
34
67b915a5 35#ifndef _WIN32
5cea8590 36#include <libgen.h>
67b915a5 37#include <sys/times.h>
f1510b2c 38#include <sys/wait.h>
67b915a5 39#include <termios.h>
67b915a5 40#include <sys/mman.h>
f1510b2c 41#include <sys/ioctl.h>
24646c7e 42#include <sys/resource.h>
f1510b2c 43#include <sys/socket.h>
c94c8d64 44#include <netinet/in.h>
24646c7e 45#include <net/if.h>
24646c7e 46#include <arpa/inet.h>
9d728e8c 47#include <dirent.h>
7c9d8e07 48#include <netdb.h>
cb4b976b 49#include <sys/select.h>
71e72a19 50#ifdef CONFIG_BSD
7d3505c5 51#include <sys/stat.h>
a167ba50 52#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
7d3505c5 53#include <libutil.h>
92c0e657 54#include <sys/sysctl.h>
24646c7e
BS		 55#else
56#include <util.h>
128ab2ff 57#endif
bbe813a2 58#else
223f0d72 59#ifdef __linux__
7d3505c5
FB		 60#include <pty.h>
61#include <malloc.h>
bd494f4c 62
e57a8c0e 63#include <linux/ppdev.h>
5867c88a 64#include <linux/parport.h>
223f0d72
BS		 65#endif
66#ifdef __sun__
d5d10bc3
TS		 67#include <sys/stat.h>
68#include <sys/ethernet.h>
69#include <sys/sockio.h>
d5d10bc3 70#include <netinet/arp.h>
d5d10bc3
TS		 71#include <netinet/in_systm.h>
72#include <netinet/ip.h>
73#include <netinet/ip_icmp.h> // must come after ip.h
74#include <netinet/udp.h>
75#include <netinet/tcp.h>
76#include <net/if.h>
77#include <syslog.h>
78#include <stropts.h>
8d32cf0e
BS		 79/* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for
80 discussion about Solaris header problems */
81extern int madvise(caddr_t, size_t, int);
67b915a5 82#endif
7d3505c5 83#endif
ec530c81 84#endif
67b915a5 85
9892fbfb
BS		 86#if defined(__OpenBSD__)
87#include <util.h>
88#endif
89
8a16d273
TS		 90#if defined(CONFIG_VDE)
91#include <libvdeplug.h>
92#endif
93
67b915a5 94#ifdef _WIN32
49dc768d 95#include <windows.h>
67b915a5
FB		 96#endif
97
73332e5c 98#ifdef CONFIG_SDL
59a36a2f 99#if defined(__APPLE__) || defined(main)
6693665a 100#include <SDL.h>
880fec5d 101int qemu_main(int argc, char **argv, char **envp);
102int main(int argc, char **argv)
103{
59a36a2f 104 return qemu_main(argc, argv, NULL);
880fec5d 105}
106#undef main
107#define main qemu_main
96bcd4f8 108#endif
73332e5c 109#endif /* CONFIG_SDL */
0824d6fc 110
5b0753e0
FB		 111#ifdef CONFIG_COCOA
112#undef main
113#define main qemu_main
114#endif /* CONFIG_COCOA */
115
511d2b14
BS		 116#include "hw/hw.h"
117#include "hw/boards.h"
118#include "hw/usb.h"
119#include "hw/pcmcia.h"
120#include "hw/pc.h"
511d2b14
BS		 121#include "hw/isa.h"
122#include "hw/baum.h"
123#include "hw/bt.h"
9dd986cc 124#include "hw/watchdog.h"
b6f6e3d3 125#include "hw/smbios.h"
e37630ca 126#include "hw/xen.h"
bd3c948d 127#include "hw/qdev.h"
45a50b16 128#include "hw/loader.h"
5ef4efa4 129#include "bt-host.h"
511d2b14 130#include "net.h"
68ac40d2 131#include "net/slirp.h"
511d2b14
BS		 132#include "monitor.h"
133#include "console.h"
134#include "sysemu.h"
135#include "gdbstub.h"
136#include "qemu-timer.h"
137#include "qemu-char.h"
138#include "cache-utils.h"
139#include "block.h"
666daa68 140#include "blockdev.h"
c163b5ca 141#include "block-migration.h"
a718acec 142#include "dma.h"
511d2b14
BS		 143#include "audio/audio.h"
144#include "migration.h"
145#include "kvm.h"
d3f24367 146#include "qemu-option.h"
7282a033 147#include "qemu-config.h"
e78c48ec 148#include "qemu-objects.h"
59a5264b 149#include "qemu-options.h"
758e8e38 150#ifdef CONFIG_VIRTFS
74db920c
GS		 151#include "fsdev/qemu-fsdev.h"
152#endif
511d2b14 153
0824d6fc 154#include "disas.h"
fc01f7e7 155
511d2b14
BS		 156#include "qemu_socket.h"
157
d918f23e 158#include "slirp/libslirp.h"
511d2b14 159
72cf2d4f 160#include "qemu-queue.h"
296af7c9 161#include "cpus.h"
ad96090a 162#include "arch_init.h"
72cf2d4f 163
9dc63a1e
BS		 164//#define DEBUG_NET
165//#define DEBUG_SLIRP
330d0414 166
1bfe856e 167#define DEFAULT_RAM_SIZE 128
313aa567 168
98b19252
AS		 169#define MAX_VIRTIO_CONSOLES 1
170
5cea8590 171static const char *data_dir;
1192dad8 172const char *bios_name = NULL;
cb5a7aa8 173enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
993fbfdb 174DisplayType display_type = DT_DEFAULT;
3d11d0eb 175const char* keyboard_layout = NULL;
c227f099 176ram_addr_t ram_size;
c902760f
MT		 177const char *mem_path = NULL;
178#ifdef MAP_POPULATE
179int mem_prealloc = 0; /* force preallocation of physical target memory */
180#endif
c4b1fcc0 181int nb_nics;
7c9d8e07 182NICInfo nd_table[MAX_NICS];
8a7ddc38 183int vm_running;
d399f677 184int autostart;
8e84865e 185int incoming_expected; /* Started with -incoming and waiting for incoming */
f6503059
AZ		 186static int rtc_utc = 1;
187static int rtc_date_offset = -1; /* -1 means no change */
6875204c 188QEMUClock *rtc_clock;
64465297 189int vga_interface_type = VGA_NONE;
dbed7e40 190static int full_screen = 0;
634a21f6 191#ifdef CONFIG_SDL
dbed7e40 192static int no_frame = 0;
634a21f6 193#endif
667accab 194int no_quit = 0;
8d11df9e 195CharDriverState *serial_hds[MAX_SERIAL_PORTS];
6508fe59 196CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
9ede2fde 197CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
a09db21f 198int win2k_install_hack = 0;
73822ec8 199int rtc_td_hack = 0;
bb36d470 200int usb_enabled = 0;
1b530a6d 201int singlestep = 0;
6a00d601 202int smp_cpus = 1;
6be68d7e 203int max_cpus = 0;
dc6b1c09
AP		 204int smp_cores = 1;
205int smp_threads = 1;
73fc9742 206const char *vnc_display;
6515b203 207int acpi_enabled = 1;
16b29ae1 208int no_hpet = 0;
52ca8d6a 209int fd_bootchk = 1;
d1beab82 210int no_reboot = 0;
b2f76161 211int no_shutdown = 0;
9467cd46 212int cursor_hide = 1;
a171fe39 213int graphic_rotate = 0;
6b35e7bf 214uint8_t irq0override = 1;
09aaa160 215const char *watchdog;
9ae02555
TS		 216const char *option_rom[MAX_OPTION_ROMS];
217int nb_option_roms;
8e71621f 218int semihosting_enabled = 0;
2b8f2d41 219int old_param = 0;
c35734b2 220const char *qemu_name;
3780e197 221int alt_grab = 0;
0ca9f8a4 222int ctrl_grab = 0;
66508601
BS		 223unsigned int nb_prom_envs = 0;
224const char *prom_envs[MAX_PROM_ENVS];
95387491 225int boot_menu;
0824d6fc 226
268a362c
AL		 227int nb_numa_nodes;
228uint64_t node_mem[MAX_NODES];
229uint64_t node_cpumask[MAX_NODES];
230
9043b62d 231static QEMUTimer *nographic_timer;
ee5605e5 232
8fcb1b90
BS		 233uint8_t qemu_uuid[16];
234
76e30d0f
JK		 235static QEMUBootSetHandler *boot_set_handler;
236static void *boot_set_opaque;
237
fd42deeb
GH		 238static NotifierList exit_notifiers =
239 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
240
d745bef8
BS		 241int kvm_allowed = 0;
242uint32_t xen_domid;
243enum xen_mode xen_mode = XEN_EMULATE;
244
998bbd74 245static int default_serial = 1;
6a5e8b0e 246static int default_parallel = 1;
986c5f78 247static int default_virtcon = 1;
abdeed06 248static int default_monitor = 1;
64465297 249static int default_vga = 1;
ac33f8fa
GH		 250static int default_floppy = 1;
251static int default_cdrom = 1;
252static int default_sdcard = 1;
998bbd74
GH		 253
254static struct {
255 const char *driver;
256 int *flag;
257} default_list[] = {
6a5e8b0e
GH		 258 { .driver = "isa-serial", .flag = &default_serial },
259 { .driver = "isa-parallel", .flag = &default_parallel },
d8bcbabf
GH		 260 { .driver = "isa-fdc", .flag = &default_floppy },
261 { .driver = "ide-drive", .flag = &default_cdrom },
392ecf54
AS		 262 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
263 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
264 { .driver = "virtio-serial", .flag = &default_virtcon },
64465297 265 { .driver = "VGA", .flag = &default_vga },
69fd02ee
GH		 266 { .driver = "cirrus-vga", .flag = &default_vga },
267 { .driver = "vmware-svga", .flag = &default_vga },
998bbd74
GH		 268};
269
270static int default_driver_check(QemuOpts *opts, void *opaque)
271{
272 const char *driver = qemu_opt_get(opts, "driver");
273 int i;
274
275 if (!driver)
276 return 0;
277 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
278 if (strcmp(default_list[i].driver, driver) != 0)
279 continue;
280 *(default_list[i].flag) = 0;
281 }
282 return 0;
283}
284
8f0056b7
PB		 285/***********************************************************/
286/* real time host monotonic timer */
09b26c5e 287
1dce7c3c
FB		 288/* compute with 96 bit intermediate result: (a*b)/c */
289uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
0824d6fc 290{
1dce7c3c
FB		 291 union {
292 uint64_t ll;
293 struct {
e2542fe2 294#ifdef HOST_WORDS_BIGENDIAN
1dce7c3c
FB		 295 uint32_t high, low;
296#else
297 uint32_t low, high;
3b46e624 298#endif
1dce7c3c
FB		 299 } l;
300 } u, res;
301 uint64_t rl, rh;
0824d6fc 302
1dce7c3c
FB		 303 u.ll = a;
304 rl = (uint64_t)u.l.low * (uint64_t)b;
305 rh = (uint64_t)u.l.high * (uint64_t)b;
306 rh += (rl >> 32);
307 res.l.high = rh / c;
308 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
309 return res.ll;
34865134
FB		 310}
311
f6503059
AZ		 312/***********************************************************/
313/* host time/date access */
314void qemu_get_timedate(struct tm *tm, int offset)
315{
316 time_t ti;
317 struct tm *ret;
318
319 time(&ti);
320 ti += offset;
321 if (rtc_date_offset == -1) {
322 if (rtc_utc)
323 ret = gmtime(&ti);
324 else
325 ret = localtime(&ti);
326 } else {
327 ti -= rtc_date_offset;
328 ret = gmtime(&ti);
329 }
330
331 memcpy(tm, ret, sizeof(struct tm));
332}
333
334int qemu_timedate_diff(struct tm *tm)
335{
336 time_t seconds;
337
338 if (rtc_date_offset == -1)
339 if (rtc_utc)
340 seconds = mktimegm(tm);
341 else
342 seconds = mktime(tm);
343 else
344 seconds = mktimegm(tm) + rtc_date_offset;
345
346 return seconds - time(NULL);
347}
348
80cd3478
LC		 349void rtc_change_mon_event(struct tm *tm)
350{
351 QObject *data;
352
353 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
354 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
355 qobject_decref(data);
356}
357
1ed2fc1f
JK		 358static void configure_rtc_date_offset(const char *startdate, int legacy)
359{
360 time_t rtc_start_date;
361 struct tm tm;
362
363 if (!strcmp(startdate, "now") && legacy) {
364 rtc_date_offset = -1;
365 } else {
366 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
367 &tm.tm_year,
368 &tm.tm_mon,
369 &tm.tm_mday,
370 &tm.tm_hour,
371 &tm.tm_min,
372 &tm.tm_sec) == 6) {
373 /* OK */
374 } else if (sscanf(startdate, "%d-%d-%d",
375 &tm.tm_year,
376 &tm.tm_mon,
377 &tm.tm_mday) == 3) {
378 tm.tm_hour = 0;
379 tm.tm_min = 0;
380 tm.tm_sec = 0;
381 } else {
382 goto date_fail;
383 }
384 tm.tm_year -= 1900;
385 tm.tm_mon--;
386 rtc_start_date = mktimegm(&tm);
387 if (rtc_start_date == -1) {
388 date_fail:
389 fprintf(stderr, "Invalid date format. Valid formats are:\n"
390 "'2006-06-17T16:01:21' or '2006-06-17'\n");
391 exit(1);
392 }
393 rtc_date_offset = time(NULL) - rtc_start_date;
394 }
395}
396
397static void configure_rtc(QemuOpts *opts)
398{
399 const char *value;
400
401 value = qemu_opt_get(opts, "base");
402 if (value) {
403 if (!strcmp(value, "utc")) {
404 rtc_utc = 1;
405 } else if (!strcmp(value, "localtime")) {
406 rtc_utc = 0;
407 } else {
408 configure_rtc_date_offset(value, 0);
409 }
410 }
6875204c
JK		 411 value = qemu_opt_get(opts, "clock");
412 if (value) {
413 if (!strcmp(value, "host")) {
414 rtc_clock = host_clock;
415 } else if (!strcmp(value, "vm")) {
416 rtc_clock = vm_clock;
417 } else {
418 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
419 exit(1);
420 }
421 }
1ed2fc1f
JK		 422 value = qemu_opt_get(opts, "driftfix");
423 if (value) {
7e4c0336 424 if (!strcmp(value, "slew")) {
1ed2fc1f 425 rtc_td_hack = 1;
7e4c0336 426 } else if (!strcmp(value, "none")) {
1ed2fc1f
JK		 427 rtc_td_hack = 0;
428 } else {
429 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
430 exit(1);
431 }
432 }
1ed2fc1f
JK		 433}
434
1ae26a18
AZ		 435/***********************************************************/
436/* Bluetooth support */
437static int nb_hcis;
438static int cur_hci;
439static struct HCIInfo *hci_table[MAX_NICS];
dc72ac14 440
1ae26a18
AZ		 441static struct bt_vlan_s {
442 struct bt_scatternet_s net;
443 int id;
444 struct bt_vlan_s *next;
445} *first_bt_vlan;
446
447/* find or alloc a new bluetooth "VLAN" */
674bb261 448static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
1ae26a18
AZ		 449{
450 struct bt_vlan_s **pvlan, *vlan;
451 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
452 if (vlan->id == id)
453 return &vlan->net;
454 }
455 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
456 vlan->id = id;
457 pvlan = &first_bt_vlan;
458 while (*pvlan != NULL)
459 pvlan = &(*pvlan)->next;
460 *pvlan = vlan;
461 return &vlan->net;
462}
463
464static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
465{
466}
467
468static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
469{
470 return -ENOTSUP;
471}
472
473static struct HCIInfo null_hci = {
474 .cmd_send = null_hci_send,
475 .sco_send = null_hci_send,
476 .acl_send = null_hci_send,
477 .bdaddr_set = null_hci_addr_set,
478};
479
480struct HCIInfo *qemu_next_hci(void)
481{
482 if (cur_hci == nb_hcis)
483 return &null_hci;
484
485 return hci_table[cur_hci++];
486}
487
dc72ac14
AZ		 488static struct HCIInfo *hci_init(const char *str)
489{
490 char *endp;
491 struct bt_scatternet_s *vlan = 0;
492
493 if (!strcmp(str, "null"))
494 /* null */
495 return &null_hci;
496 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
497 /* host[:hciN] */
498 return bt_host_hci(str[4] ? str + 5 : "hci0");
499 else if (!strncmp(str, "hci", 3)) {
500 /* hci[,vlan=n] */
501 if (str[3]) {
502 if (!strncmp(str + 3, ",vlan=", 6)) {
503 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
504 if (*endp)
505 vlan = 0;
506 }
507 } else
508 vlan = qemu_find_bt_vlan(0);
509 if (vlan)
510 return bt_new_hci(vlan);
511 }
512
513 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
514
515 return 0;
516}
517
518static int bt_hci_parse(const char *str)
519{
520 struct HCIInfo *hci;
c227f099 521 bdaddr_t bdaddr;
dc72ac14
AZ		 522
523 if (nb_hcis >= MAX_NICS) {
524 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
525 return -1;
526 }
527
528 hci = hci_init(str);
529 if (!hci)
530 return -1;
531
532 bdaddr.b[0] = 0x52;
533 bdaddr.b[1] = 0x54;
534 bdaddr.b[2] = 0x00;
535 bdaddr.b[3] = 0x12;
536 bdaddr.b[4] = 0x34;
537 bdaddr.b[5] = 0x56 + nb_hcis;
538 hci->bdaddr_set(hci, bdaddr.b);
539
540 hci_table[nb_hcis++] = hci;
541
542 return 0;
543}
544
545static void bt_vhci_add(int vlan_id)
546{
547 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
548
549 if (!vlan->slave)
550 fprintf(stderr, "qemu: warning: adding a VHCI to "
551 "an empty scatternet %i\n", vlan_id);
552
553 bt_vhci_init(bt_new_hci(vlan));
554}
555
556static struct bt_device_s *bt_device_add(const char *opt)
557{
558 struct bt_scatternet_s *vlan;
559 int vlan_id = 0;
560 char *endp = strstr(opt, ",vlan=");
561 int len = (endp ? endp - opt : strlen(opt)) + 1;
562 char devname[10];
563
564 pstrcpy(devname, MIN(sizeof(devname), len), opt);
565
566 if (endp) {
567 vlan_id = strtol(endp + 6, &endp, 0);
568 if (*endp) {
569 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
570 return 0;
571 }
572 }
573
574 vlan = qemu_find_bt_vlan(vlan_id);
575
576 if (!vlan->slave)
577 fprintf(stderr, "qemu: warning: adding a slave device to "
578 "an empty scatternet %i\n", vlan_id);
579
580 if (!strcmp(devname, "keyboard"))
581 return bt_keyboard_init(vlan);
582
583 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
584 return 0;
585}
586
587static int bt_parse(const char *opt)
588{
589 const char *endp, *p;
590 int vlan;
591
592 if (strstart(opt, "hci", &endp)) {
593 if (!*endp || *endp == ',') {
594 if (*endp)
595 if (!strstart(endp, ",vlan=", 0))
596 opt = endp + 1;
597
598 return bt_hci_parse(opt);
599 }
600 } else if (strstart(opt, "vhci", &endp)) {
601 if (!*endp || *endp == ',') {
602 if (*endp) {
603 if (strstart(endp, ",vlan=", &p)) {
604 vlan = strtol(p, (char **) &endp, 0);
605 if (*endp) {
606 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
607 return 1;
608 }
609 } else {
610 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
611 return 1;
612 }
613 } else
614 vlan = 0;
615
616 bt_vhci_add(vlan);
617 return 0;
618 }
619 } else if (strstart(opt, "device:", &endp))
620 return !bt_device_add(endp);
621
622 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
623 return 1;
624}
625
1ae26a18
AZ		 626/***********************************************************/
627/* QEMU Block devices */
628
609497ab 629#define HD_ALIAS "index=%d,media=disk"
e4bcb14c 630#define CDROM_ALIAS "index=2,media=cdrom"
e4bcb14c 631#define FD_ALIAS "index=%d,if=floppy"
609497ab
AZ		 632#define PFLASH_ALIAS "if=pflash"
633#define MTD_ALIAS "if=mtd"
9d413d1d 634#define SD_ALIAS "index=0,if=sd"
e4bcb14c 635
9dfd7c7a
GH		 636static int drive_init_func(QemuOpts *opts, void *opaque)
637{
a803cb8e 638 int *use_scsi = opaque;
9dfd7c7a
GH		 639 int fatal_error = 0;
640
a803cb8e 641 if (drive_init(opts, *use_scsi, &fatal_error) == NULL) {
9dfd7c7a
GH		 642 if (fatal_error)
643 return 1;
644 }
645 return 0;
646}
647
648static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
649{
650 if (NULL == qemu_opt_get(opts, "snapshot")) {
651 qemu_opt_set(opts, "snapshot", "on");
652 }
653 return 0;
654}
655
76e30d0f
JK		 656void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
657{
658 boot_set_handler = func;
659 boot_set_opaque = opaque;
660}
661
662int qemu_boot_set(const char *boot_devices)
663{
664 if (!boot_set_handler) {
665 return -EINVAL;
666 }
667 return boot_set_handler(boot_set_opaque, boot_devices);
668}
669
4e9e9d6e 670static void validate_bootdevices(char *devices)
ef3adf68
JK		 671{
672 /* We just do some generic consistency checks */
673 const char *p;
674 int bitmap = 0;
675
676 for (p = devices; *p != '\0'; p++) {
677 /* Allowed boot devices are:
678 * a-b: floppy disk drives
679 * c-f: IDE disk drives
680 * g-m: machine implementation dependant drives
681 * n-p: network devices
682 * It's up to each machine implementation to check if the given boot
683 * devices match the actual hardware implementation and firmware
684 * features.
685 */
686 if (*p < 'a' || *p > 'p') {
687 fprintf(stderr, "Invalid boot device '%c'\n", *p);
688 exit(1);
689 }
690 if (bitmap & (1 << (*p - 'a'))) {
691 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
692 exit(1);
693 }
694 bitmap |= 1 << (*p - 'a');
695 }
ef3adf68
JK		 696}
697
e0f084bf
JK		 698static void restore_boot_devices(void *opaque)
699{
700 char *standard_boot_devices = opaque;
37905d6a
AW		 701 static int first = 1;
702
703 /* Restore boot order and remove ourselves after the first boot */
704 if (first) {
705 first = 0;
706 return;
707 }
e0f084bf
JK		 708
709 qemu_boot_set(standard_boot_devices);
710
711 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
712 qemu_free(standard_boot_devices);
713}
714
268a362c
AL		 715static void numa_add(const char *optarg)
716{
717 char option[128];
718 char *endptr;
719 unsigned long long value, endvalue;
720 int nodenr;
721
722 optarg = get_opt_name(option, 128, optarg, ',') + 1;
723 if (!strcmp(option, "node")) {
724 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
725 nodenr = nb_numa_nodes;
726 } else {
727 nodenr = strtoull(option, NULL, 10);
728 }
729
730 if (get_param_value(option, 128, "mem", optarg) == 0) {
731 node_mem[nodenr] = 0;
732 } else {
733 value = strtoull(option, &endptr, 0);
734 switch (*endptr) {
735 case 0: case 'M': case 'm':
736 value <<= 20;
737 break;
738 case 'G': case 'g':
739 value <<= 30;
740 break;
741 }
742 node_mem[nodenr] = value;
743 }
744 if (get_param_value(option, 128, "cpus", optarg) == 0) {
745 node_cpumask[nodenr] = 0;
746 } else {
747 value = strtoull(option, &endptr, 10);
748 if (value >= 64) {
749 value = 63;
750 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
751 } else {
752 if (*endptr == '-') {
753 endvalue = strtoull(endptr+1, &endptr, 10);
754 if (endvalue >= 63) {
755 endvalue = 62;
756 fprintf(stderr,
757 "only 63 CPUs in NUMA mode supported.\n");
758 }
0dfbd514 759 value = (2ULL << endvalue) - (1ULL << value);
268a362c 760 } else {
0dfbd514 761 value = 1ULL << value;
268a362c
AL		 762 }
763 }
764 node_cpumask[nodenr] = value;
765 }
766 nb_numa_nodes++;
767 }
768 return;
769}
770
dc6b1c09
AP		 771static void smp_parse(const char *optarg)
772{
773 int smp, sockets = 0, threads = 0, cores = 0;
774 char *endptr;
775 char option[128];
776
777 smp = strtoul(optarg, &endptr, 10);
778 if (endptr != optarg) {
779 if (*endptr == ',') {
780 endptr++;
781 }
782 }
783 if (get_param_value(option, 128, "sockets", endptr) != 0)
784 sockets = strtoull(option, NULL, 10);
785 if (get_param_value(option, 128, "cores", endptr) != 0)
786 cores = strtoull(option, NULL, 10);
787 if (get_param_value(option, 128, "threads", endptr) != 0)
788 threads = strtoull(option, NULL, 10);
789 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
790 max_cpus = strtoull(option, NULL, 10);
791
792 /* compute missing values, prefer sockets over cores over threads */
793 if (smp == 0 || sockets == 0) {
794 sockets = sockets > 0 ? sockets : 1;
795 cores = cores > 0 ? cores : 1;
796 threads = threads > 0 ? threads : 1;
797 if (smp == 0) {
798 smp = cores * threads * sockets;
dc6b1c09
AP		 799 }
800 } else {
801 if (cores == 0) {
802 threads = threads > 0 ? threads : 1;
803 cores = smp / (sockets * threads);
804 } else {
dca98169 805 threads = smp / (cores * sockets);
dc6b1c09
AP		 806 }
807 }
808 smp_cpus = smp;
809 smp_cores = cores > 0 ? cores : 1;
810 smp_threads = threads > 0 ? threads : 1;
811 if (max_cpus == 0)
812 max_cpus = smp_cpus;
813}
814
a594cfbf
FB		 815/***********************************************************/
816/* USB devices */
817
fb08000c 818static int usb_device_add(const char *devname)
a594cfbf
FB		 819{
820 const char *p;
a5d2f727 821 USBDevice *dev = NULL;
a594cfbf 822
a5d2f727 823 if (!usb_enabled)
a594cfbf
FB		 824 return -1;
825
0958b4cc
GH		 826 /* drivers with .usbdevice_name entry in USBDeviceInfo */
827 dev = usbdevice_create(devname);
828 if (dev)
829 goto done;
830
a5d2f727 831 /* the other ones */
a594cfbf
FB		 832 if (strstart(devname, "host:", &p)) {
833 dev = usb_host_device_open(p);
dc72ac14
AZ		 834 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
835 dev = usb_bt_init(devname[2] ? hci_init(p) :
836 bt_new_hci(qemu_find_bt_vlan(0)));
a594cfbf
FB		 837 } else {
838 return -1;
839 }
0d92ed30
PB		 840 if (!dev)
841 return -1;
842
a5d2f727 843done:
a594cfbf
FB		 844 return 0;
845}
846
1f3870ab
AL		 847static int usb_device_del(const char *devname)
848{
849 int bus_num, addr;
850 const char *p;
851
5d0c5750
AL		 852 if (strstart(devname, "host:", &p))
853 return usb_host_device_close(p);
854
a5d2f727 855 if (!usb_enabled)
1f3870ab
AL		 856 return -1;
857
858 p = strchr(devname, '.');
859 if (!p)
860 return -1;
861 bus_num = strtoul(devname, NULL, 0);
862 addr = strtoul(p + 1, NULL, 0);
863
a5d2f727 864 return usb_device_delete_addr(bus_num, addr);
1f3870ab
AL		 865}
866
bd3c948d
GH		 867static int usb_parse(const char *cmdline)
868{
59d1c1c2 869 int r;
fb08000c 870 r = usb_device_add(cmdline);
59d1c1c2
ST		 871 if (r < 0) {
872 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
873 }
874 return r;
bd3c948d
GH		 875}
876
d54908a5 877void do_usb_add(Monitor *mon, const QDict *qdict)
a594cfbf 878{
59d1c1c2 879 const char *devname = qdict_get_str(qdict, "devname");
fb08000c 880 if (usb_device_add(devname) < 0) {
1ecda02b 881 error_report("could not add USB device '%s'", devname);
59d1c1c2 882 }
a594cfbf
FB		 883}
884
d54908a5 885void do_usb_del(Monitor *mon, const QDict *qdict)
a594cfbf 886{
59d1c1c2
ST		 887 const char *devname = qdict_get_str(qdict, "devname");
888 if (usb_device_del(devname) < 0) {
1ecda02b 889 error_report("could not delete USB device '%s'", devname);
59d1c1c2 890 }
a594cfbf
FB		 891}
892
201a51fc
AZ		 893/***********************************************************/
894/* PCMCIA/Cardbus */
895
896static struct pcmcia_socket_entry_s {
bc24a225 897 PCMCIASocket *socket;
201a51fc
AZ		 898 struct pcmcia_socket_entry_s *next;
899} *pcmcia_sockets = 0;
900
bc24a225 901void pcmcia_socket_register(PCMCIASocket *socket)
201a51fc
AZ		 902{
903 struct pcmcia_socket_entry_s *entry;
904
905 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
906 entry->socket = socket;
907 entry->next = pcmcia_sockets;
908 pcmcia_sockets = entry;
909}
910
bc24a225 911void pcmcia_socket_unregister(PCMCIASocket *socket)
201a51fc
AZ		 912{
913 struct pcmcia_socket_entry_s *entry, **ptr;
914
915 ptr = &pcmcia_sockets;
916 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
917 if (entry->socket == socket) {
918 *ptr = entry->next;
919 qemu_free(entry);
920 }
921}
922
376253ec 923void pcmcia_info(Monitor *mon)
201a51fc
AZ		 924{
925 struct pcmcia_socket_entry_s *iter;
376253ec 926
201a51fc 927 if (!pcmcia_sockets)
376253ec 928 monitor_printf(mon, "No PCMCIA sockets\n");
201a51fc
AZ		 929
930 for (iter = pcmcia_sockets; iter; iter = iter->next)
376253ec
AL		 931 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
932 iter->socket->attached ? iter->socket->card_string :
933 "Empty");
201a51fc
AZ		 934}
935
2ff89790 936/***********************************************************/
8a7ddc38 937/* I/O handling */
0824d6fc 938
c4b1fcc0
FB		 939typedef struct IOHandlerRecord {
940 int fd;
7b27a769 941 IOCanReadHandler *fd_read_poll;
7c9d8e07
FB		 942 IOHandler *fd_read;
943 IOHandler *fd_write;
cafffd40 944 int deleted;
c4b1fcc0
FB		 945 void *opaque;
946 /* temporary data */
947 struct pollfd *ufd;
31d4ee6c 948 QLIST_ENTRY(IOHandlerRecord) next;
c4b1fcc0
FB		 949} IOHandlerRecord;
950
31d4ee6c
JQ		 951static QLIST_HEAD(, IOHandlerRecord) io_handlers =
952 QLIST_HEAD_INITIALIZER(io_handlers);
953
c4b1fcc0 954
7c9d8e07
FB		 955/* XXX: fd_read_poll should be suppressed, but an API change is
956 necessary in the character devices to suppress fd_can_read(). */
5fafdf24 957int qemu_set_fd_handler2(int fd,
7b27a769 958 IOCanReadHandler *fd_read_poll,
5fafdf24
TS		 959 IOHandler *fd_read,
960 IOHandler *fd_write,
7c9d8e07 961 void *opaque)
c4b1fcc0 962{
31d4ee6c 963 IOHandlerRecord *ioh;
c4b1fcc0 964
7c9d8e07 965 if (!fd_read && !fd_write) {
31d4ee6c 966 QLIST_FOREACH(ioh, &io_handlers, next) {
7c9d8e07 967 if (ioh->fd == fd) {
cafffd40 968 ioh->deleted = 1;
7c9d8e07
FB		 969 break;
970 }
7c9d8e07
FB		 971 }
972 } else {
31d4ee6c 973 QLIST_FOREACH(ioh, &io_handlers, next) {
7c9d8e07
FB		 974 if (ioh->fd == fd)
975 goto found;
976 }
977 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
31d4ee6c 978 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
7c9d8e07
FB		 979 found:
980 ioh->fd = fd;
981 ioh->fd_read_poll = fd_read_poll;
982 ioh->fd_read = fd_read;
983 ioh->fd_write = fd_write;
984 ioh->opaque = opaque;
cafffd40 985 ioh->deleted = 0;
7c9d8e07 986 }
c4b1fcc0
FB		 987 return 0;
988}
989
5fafdf24
TS		 990int qemu_set_fd_handler(int fd,
991 IOHandler *fd_read,
992 IOHandler *fd_write,
7c9d8e07 993 void *opaque)
8a7ddc38 994{
7c9d8e07 995 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
8a7ddc38
FB		 996}
997
cc1daa40
FB		 998/***********************************************************/
999/* machine registration */
1000
bdaf78e0 1001static QEMUMachine *first_machine = NULL;
6f338c34 1002QEMUMachine *current_machine = NULL;
cc1daa40
FB		 1003
1004int qemu_register_machine(QEMUMachine *m)
1005{
1006 QEMUMachine **pm;
1007 pm = &first_machine;
1008 while (*pm != NULL)
1009 pm = &(*pm)->next;
1010 m->next = NULL;
1011 *pm = m;
1012 return 0;
1013}
1014
9596ebb7 1015static QEMUMachine *find_machine(const char *name)
cc1daa40
FB		 1016{
1017 QEMUMachine *m;
1018
1019 for(m = first_machine; m != NULL; m = m->next) {
1020 if (!strcmp(m->name, name))
1021 return m;
3f6599e6
MM		 1022 if (m->alias && !strcmp(m->alias, name))
1023 return m;
cc1daa40
FB		 1024 }
1025 return NULL;
1026}
1027
0c257437
AL		 1028static QEMUMachine *find_default_machine(void)
1029{
1030 QEMUMachine *m;
1031
1032 for(m = first_machine; m != NULL; m = m->next) {
1033 if (m->is_default) {
1034 return m;
1035 }
1036 }
1037 return NULL;
1038}
1039
8a7ddc38
FB		 1040/***********************************************************/
1041/* main execution loop */
1042
9596ebb7 1043static void gui_update(void *opaque)
8a7ddc38 1044{
7d957bd8 1045 uint64_t interval = GUI_REFRESH_INTERVAL;
740733bb 1046 DisplayState *ds = opaque;
7d957bd8
AL		 1047 DisplayChangeListener *dcl = ds->listeners;
1048
62a2744c 1049 qemu_flush_coalesced_mmio_buffer();
7d957bd8
AL		 1050 dpy_refresh(ds);
1051
1052 while (dcl != NULL) {
1053 if (dcl->gui_timer_interval &&
1054 dcl->gui_timer_interval < interval)
1055 interval = dcl->gui_timer_interval;
1056 dcl = dcl->next;
1057 }
1058 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
8a7ddc38
FB		 1059}
1060
9043b62d
BS		 1061static void nographic_update(void *opaque)
1062{
1063 uint64_t interval = GUI_REFRESH_INTERVAL;
1064
62a2744c 1065 qemu_flush_coalesced_mmio_buffer();
9043b62d
BS		 1066 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1067}
1068
0bd48850
FB		 1069struct vm_change_state_entry {
1070 VMChangeStateHandler *cb;
1071 void *opaque;
72cf2d4f 1072 QLIST_ENTRY (vm_change_state_entry) entries;
0bd48850
FB		 1073};
1074
72cf2d4f 1075static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
0bd48850
FB		 1076
1077VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1078 void *opaque)
1079{
1080 VMChangeStateEntry *e;
1081
1082 e = qemu_mallocz(sizeof (*e));
0bd48850
FB		 1083
1084 e->cb = cb;
1085 e->opaque = opaque;
72cf2d4f 1086 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
0bd48850
FB		 1087 return e;
1088}
1089
1090void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1091{
72cf2d4f 1092 QLIST_REMOVE (e, entries);
0bd48850
FB		 1093 qemu_free (e);
1094}
1095
296af7c9 1096void vm_state_notify(int running, int reason)
0bd48850
FB		 1097{
1098 VMChangeStateEntry *e;
1099
1100 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
9781e040 1101 e->cb(e->opaque, running, reason);
0bd48850
FB		 1102 }
1103}
1104
8a7ddc38
FB		 1105void vm_start(void)
1106{
1107 if (!vm_running) {
1108 cpu_enable_ticks();
1109 vm_running = 1;
9781e040 1110 vm_state_notify(1, 0);
d6dc3d42 1111 resume_all_vcpus();
6ed2c484 1112 monitor_protocol_event(QEVENT_RESUME, NULL);
8a7ddc38
FB		 1113 }
1114}
1115
bb0c6722
FB		 1116/* reset/shutdown handler */
1117
1118typedef struct QEMUResetEntry {
72cf2d4f 1119 QTAILQ_ENTRY(QEMUResetEntry) entry;
bb0c6722
FB		 1120 QEMUResetHandler *func;
1121 void *opaque;
bb0c6722
FB		 1122} QEMUResetEntry;
1123
72cf2d4f
BS		 1124static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1125 QTAILQ_HEAD_INITIALIZER(reset_handlers);
bb0c6722
FB		 1126static int reset_requested;
1127static int shutdown_requested;
3475187d 1128static int powerdown_requested;
296af7c9 1129int debug_requested;
7277e027 1130int vmstop_requested;
bb0c6722 1131
cf7a2fe2
AJ		 1132int qemu_shutdown_requested(void)
1133{
1134 int r = shutdown_requested;
1135 shutdown_requested = 0;
1136 return r;
1137}
1138
1139int qemu_reset_requested(void)
1140{
1141 int r = reset_requested;
1142 reset_requested = 0;
1143 return r;
1144}
1145
1146int qemu_powerdown_requested(void)
1147{
1148 int r = powerdown_requested;
1149 powerdown_requested = 0;
1150 return r;
1151}
1152
e568902a
AL		 1153static int qemu_debug_requested(void)
1154{
1155 int r = debug_requested;
1156 debug_requested = 0;
1157 return r;
1158}
1159
6e29f5da
AL		 1160static int qemu_vmstop_requested(void)
1161{
1162 int r = vmstop_requested;
1163 vmstop_requested = 0;
1164 return r;
1165}
1166
a08d4367 1167void qemu_register_reset(QEMUResetHandler *func, void *opaque)
bb0c6722 1168{
55ddfe8e 1169 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
bb0c6722 1170
bb0c6722
FB		 1171 re->func = func;
1172 re->opaque = opaque;
72cf2d4f 1173 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
bb0c6722
FB		 1174}
1175
dda9b29f 1176void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
bb0c6722
FB		 1177{
1178 QEMUResetEntry *re;
1179
72cf2d4f 1180 QTAILQ_FOREACH(re, &reset_handlers, entry) {
dda9b29f 1181 if (re->func == func && re->opaque == opaque) {
72cf2d4f 1182 QTAILQ_REMOVE(&reset_handlers, re, entry);
dda9b29f
JK		 1183 qemu_free(re);
1184 return;
1185 }
1186 }
1187}
1188
1189void qemu_system_reset(void)
1190{
1191 QEMUResetEntry *re, *nre;
1192
1193 /* reset all devices */
72cf2d4f 1194 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
bb0c6722
FB		 1195 re->func(re->opaque);
1196 }
81d9b784 1197 monitor_protocol_event(QEVENT_RESET, NULL);
ea375f9a 1198 cpu_synchronize_all_post_reset();
bb0c6722
FB		 1199}
1200
1201void qemu_system_reset_request(void)
1202{
d1beab82
FB		 1203 if (no_reboot) {
1204 shutdown_requested = 1;
1205 } else {
1206 reset_requested = 1;
1207 }
d9f75a4e 1208 qemu_notify_event();
bb0c6722
FB		 1209}
1210
1211void qemu_system_shutdown_request(void)
1212{
1213 shutdown_requested = 1;
d9f75a4e 1214 qemu_notify_event();
bb0c6722
FB		 1215}
1216
3475187d
FB		 1217void qemu_system_powerdown_request(void)
1218{
1219 powerdown_requested = 1;
d9f75a4e
AL		 1220 qemu_notify_event();
1221}
1222
d6f4ade2 1223void main_loop_wait(int nonblocking)
56f3a5d0
AL		 1224{
1225 IOHandlerRecord *ioh;
1226 fd_set rfds, wfds, xfds;
1227 int ret, nfds;
1228 struct timeval tv;
d6f4ade2 1229 int timeout;
56f3a5d0 1230
d6f4ade2
PB		 1231 if (nonblocking)
1232 timeout = 0;
1233 else {
1234 timeout = qemu_calculate_timeout();
1235 qemu_bh_update_timeout(&timeout);
1236 }
56f3a5d0 1237
0d93ca7c 1238 os_host_main_loop_wait(&timeout);
56f3a5d0 1239
fd1dff4b
FB		 1240 /* poll any events */
1241 /* XXX: separate device handlers from system ones */
6abfbd79 1242 nfds = -1;
fd1dff4b
FB		 1243 FD_ZERO(&rfds);
1244 FD_ZERO(&wfds);
e035649e 1245 FD_ZERO(&xfds);
31d4ee6c 1246 QLIST_FOREACH(ioh, &io_handlers, next) {
cafffd40
TS		 1247 if (ioh->deleted)
1248 continue;
fd1dff4b
FB		 1249 if (ioh->fd_read &&
1250 (!ioh->fd_read_poll ||
1251 ioh->fd_read_poll(ioh->opaque) != 0)) {
1252 FD_SET(ioh->fd, &rfds);
1253 if (ioh->fd > nfds)
1254 nfds = ioh->fd;
1255 }
1256 if (ioh->fd_write) {
1257 FD_SET(ioh->fd, &wfds);
1258 if (ioh->fd > nfds)
1259 nfds = ioh->fd;
1260 }
1261 }
3b46e624 1262
56f3a5d0
AL		 1263 tv.tv_sec = timeout / 1000;
1264 tv.tv_usec = (timeout % 1000) * 1000;
1265
d918f23e
JK		 1266 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1267
4870852c 1268 qemu_mutex_unlock_iothread();
e035649e 1269 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
4870852c 1270 qemu_mutex_lock_iothread();
fd1dff4b 1271 if (ret > 0) {
31d4ee6c 1272 IOHandlerRecord *pioh;
cafffd40 1273
31d4ee6c 1274 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
cafffd40 1275 if (ioh->deleted) {
31d4ee6c 1276 QLIST_REMOVE(ioh, next);
cafffd40 1277 qemu_free(ioh);
4bed9837
JQ		 1278 continue;
1279 }
1280 if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1281 ioh->fd_read(ioh->opaque);
1282 }
1283 if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1284 ioh->fd_write(ioh->opaque);
31d4ee6c 1285 }
cafffd40 1286 }
fd1dff4b 1287 }
d918f23e
JK		 1288
1289 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
b4608c04 1290
b6964827 1291 qemu_run_all_timers();
21d5d12b 1292
423f0742
PB		 1293 /* Check bottom-halves last in case any of the earlier events triggered
1294 them. */
1295 qemu_bh_poll();
3b46e624 1296
5905b2e5
FB		 1297}
1298
43b96858
AL		 1299static int vm_can_run(void)
1300{
1301 if (powerdown_requested)
1302 return 0;
1303 if (reset_requested)
1304 return 0;
1305 if (shutdown_requested)
1306 return 0;
e568902a
AL		 1307 if (debug_requested)
1308 return 0;
43b96858
AL		 1309 return 1;
1310}
1311
d9c32310
BS		 1312qemu_irq qemu_system_powerdown;
1313
43b96858
AL		 1314static void main_loop(void)
1315{
6e29f5da 1316 int r;
e6e35b1e 1317
7277e027 1318 qemu_main_loop_start();
d6dc3d42 1319
6e29f5da 1320 for (;;) {
43b96858 1321 do {
d6f4ade2 1322 bool nonblocking = false;
e6e35b1e
AL		 1323#ifdef CONFIG_PROFILER
1324 int64_t ti;
1325#endif
d6dc3d42 1326#ifndef CONFIG_IOTHREAD
472fb0c4 1327 nonblocking = cpu_exec_all();
d6dc3d42 1328#endif
89bfc105 1329#ifdef CONFIG_PROFILER
43b96858 1330 ti = profile_getclock();
89bfc105 1331#endif
d6f4ade2 1332 main_loop_wait(nonblocking);
89bfc105 1333#ifdef CONFIG_PROFILER
43b96858 1334 dev_time += profile_getclock() - ti;
89bfc105 1335#endif
e568902a 1336 } while (vm_can_run());
43b96858 1337
54fc6ea9
BS		 1338 if ((r = qemu_debug_requested())) {
1339 vm_stop(r);
b1a15e7e 1340 }
43b96858 1341 if (qemu_shutdown_requested()) {
242cd003 1342 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
43b96858
AL		 1343 if (no_shutdown) {
1344 vm_stop(0);
1345 no_shutdown = 0;
1346 } else
1347 break;
1348 }
d6dc3d42
AL		 1349 if (qemu_reset_requested()) {
1350 pause_all_vcpus();
43b96858 1351 qemu_system_reset();
d6dc3d42
AL		 1352 resume_all_vcpus();
1353 }
d9c32310 1354 if (qemu_powerdown_requested()) {
242cd003 1355 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
d9c32310
BS		 1356 qemu_irq_raise(qemu_system_powerdown);
1357 }
b1a15e7e 1358 if ((r = qemu_vmstop_requested())) {
6e29f5da 1359 vm_stop(r);
b1a15e7e 1360 }
b4608c04 1361 }
2bc93fed 1362 bdrv_close_all();
d6dc3d42 1363 pause_all_vcpus();
b4608c04
FB		 1364}
1365
9bd7e6d9
PB		 1366static void version(void)
1367{
f75ca1ae 1368 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
9bd7e6d9
PB		 1369}
1370
15f82208 1371static void help(int exitcode)
0824d6fc 1372{
e8105ebb 1373 const char *options_help =
ad96090a
BS		 1374#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1375 opt_help
5824d651 1376#define DEFHEADING(text) stringify(text) "\n"
9f16732a 1377#include "qemu-options.def"
5824d651
BS		 1378#undef DEF
1379#undef DEFHEADING
1380#undef GEN_DOCS
e8105ebb
PB		 1381 ;
1382 version();
1383 printf("usage: %s [options] [disk_image]\n"
1384 "\n"
f75ca1ae 1385 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
3f020d70 1386 "\n"
e8105ebb 1387 "%s\n"
3f020d70 1388 "During emulation, the following keys are useful:\n"
1389 "ctrl-alt-f toggle full screen\n"
1390 "ctrl-alt-n switch to virtual console 'n'\n"
1391 "ctrl-alt toggle mouse and keyboard grab\n"
1392 "\n"
e8105ebb
PB		 1393 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1394 "qemu",
1395 options_help);
15f82208 1396 exit(exitcode);
0824d6fc
FB		 1397}
1398
cd6f1169
FB		 1399#define HAS_ARG 0x0001
1400
cd6f1169
FB		 1401typedef struct QEMUOption {
1402 const char *name;
1403 int flags;
1404 int index;
ad96090a 1405 uint32_t arch_mask;
cd6f1169
FB		 1406} QEMUOption;
1407
dbed7e40 1408static const QEMUOption qemu_options[] = {
ad96090a
BS		 1409 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1410#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1411 { option, opt_arg, opt_enum, arch_mask },
5824d651 1412#define DEFHEADING(text)
9f16732a 1413#include "qemu-options.def"
5824d651
BS		 1414#undef DEF
1415#undef DEFHEADING
1416#undef GEN_DOCS
cd6f1169 1417 { NULL },
fc01f7e7 1418};
3893c124 1419static void select_vgahw (const char *p)
1420{
1421 const char *opts;
1422
64465297 1423 default_vga = 0;
86176759 1424 vga_interface_type = VGA_NONE;
3893c124 1425 if (strstart(p, "std", &opts)) {
86176759 1426 vga_interface_type = VGA_STD;
3893c124 1427 } else if (strstart(p, "cirrus", &opts)) {
86176759 1428 vga_interface_type = VGA_CIRRUS;
3893c124 1429 } else if (strstart(p, "vmware", &opts)) {
86176759 1430 vga_interface_type = VGA_VMWARE;
94909d9f 1431 } else if (strstart(p, "xenfb", &opts)) {
86176759 1432 vga_interface_type = VGA_XENFB;
28b85ed8 1433 } else if (!strstart(p, "none", &opts)) {
3893c124 1434 invalid_vga:
1435 fprintf(stderr, "Unknown vga type: %s\n", p);
1436 exit(1);
1437 }
cb5a7aa8 1438 while (*opts) {
1439 const char *nextopt;
1440
1441 if (strstart(opts, ",retrace=", &nextopt)) {
1442 opts = nextopt;
1443 if (strstart(opts, "dumb", &nextopt))
1444 vga_retrace_method = VGA_RETRACE_DUMB;
1445 else if (strstart(opts, "precise", &nextopt))
1446 vga_retrace_method = VGA_RETRACE_PRECISE;
1447 else goto invalid_vga;
1448 } else goto invalid_vga;
1449 opts = nextopt;
1450 }
3893c124 1451}
1452
7d4c3d53
MA		 1453static int balloon_parse(const char *arg)
1454{
382f0743 1455 QemuOpts *opts;
7d4c3d53 1456
382f0743
GH		 1457 if (strcmp(arg, "none") == 0) {
1458 return 0;
1459 }
1460
1461 if (!strncmp(arg, "virtio", 6)) {
1462 if (arg[6] == ',') {
1463 /* have params -> parse them */
8212c64f 1464 opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
382f0743
GH		 1465 if (!opts)
1466 return -1;
1467 } else {
1468 /* create empty opts */
1469 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
7d4c3d53 1470 }
382f0743
GH		 1471 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1472 return 0;
7d4c3d53 1473 }
382f0743
GH		 1474
1475 return -1;
7d4c3d53 1476}
7d4c3d53 1477
5cea8590
PB		 1478char *qemu_find_file(int type, const char *name)
1479{
1480 int len;
1481 const char *subdir;
1482 char *buf;
1483
1484 /* If name contains path separators then try it as a straight path. */
1485 if ((strchr(name, '/') || strchr(name, '\\'))
1486 && access(name, R_OK) == 0) {
73ffc805 1487 return qemu_strdup(name);
5cea8590
PB		 1488 }
1489 switch (type) {
1490 case QEMU_FILE_TYPE_BIOS:
1491 subdir = "";
1492 break;
1493 case QEMU_FILE_TYPE_KEYMAP:
1494 subdir = "keymaps/";
1495 break;
1496 default:
1497 abort();
1498 }
1499 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1500 buf = qemu_mallocz(len);
3a41759d 1501 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
5cea8590
PB		 1502 if (access(buf, R_OK)) {
1503 qemu_free(buf);
1504 return NULL;
1505 }
1506 return buf;
1507}
1508
ff952ba2
MA		 1509static int device_help_func(QemuOpts *opts, void *opaque)
1510{
1511 return qdev_device_help(opts);
1512}
1513
f31d07d1
GH		 1514static int device_init_func(QemuOpts *opts, void *opaque)
1515{
1516 DeviceState *dev;
1517
1518 dev = qdev_device_add(opts);
1519 if (!dev)
1520 return -1;
1521 return 0;
1522}
1523
1a688d3b
GH		 1524static int chardev_init_func(QemuOpts *opts, void *opaque)
1525{
1526 CharDriverState *chr;
1527
1528 chr = qemu_chr_open_opts(opts, NULL);
1529 if (!chr)
1530 return -1;
1531 return 0;
1532}
1533
758e8e38 1534#ifdef CONFIG_VIRTFS
74db920c
GS		 1535static int fsdev_init_func(QemuOpts *opts, void *opaque)
1536{
1537 int ret;
1538 ret = qemu_fsdev_add(opts);
1539
1540 return ret;
1541}
1542#endif
1543
88589343
GH		 1544static int mon_init_func(QemuOpts *opts, void *opaque)
1545{
1546 CharDriverState *chr;
1547 const char *chardev;
1548 const char *mode;
1549 int flags;
1550
1551 mode = qemu_opt_get(opts, "mode");
1552 if (mode == NULL) {
1553 mode = "readline";
1554 }
1555 if (strcmp(mode, "readline") == 0) {
1556 flags = MONITOR_USE_READLINE;
1557 } else if (strcmp(mode, "control") == 0) {
1558 flags = MONITOR_USE_CONTROL;
1559 } else {
1560 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1561 exit(1);
1562 }
1563
1564 if (qemu_opt_get_bool(opts, "default", 0))
1565 flags |= MONITOR_IS_DEFAULT;
1566
1567 chardev = qemu_opt_get(opts, "chardev");
1568 chr = qemu_chr_find(chardev);
1569 if (chr == NULL) {
1570 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1571 exit(1);
1572 }
1573
1574 monitor_init(chr, flags);
1575 return 0;
1576}
1577
6ca5582d 1578static void monitor_parse(const char *optarg, const char *mode)
88589343
GH		 1579{
1580 static int monitor_device_index = 0;
1581 QemuOpts *opts;
1582 const char *p;
1583 char label[32];
1584 int def = 0;
1585
1586 if (strstart(optarg, "chardev:", &p)) {
1587 snprintf(label, sizeof(label), "%s", p);
1588 } else {
140e065d
JK		 1589 snprintf(label, sizeof(label), "compat_monitor%d",
1590 monitor_device_index);
1591 if (monitor_device_index == 0) {
88589343
GH		 1592 def = 1;
1593 }
1594 opts = qemu_chr_parse_compat(label, optarg);
1595 if (!opts) {
1596 fprintf(stderr, "parse error: %s\n", optarg);
1597 exit(1);
1598 }
1599 }
1600
1601 opts = qemu_opts_create(&qemu_mon_opts, label, 1);
1602 if (!opts) {
1603 fprintf(stderr, "duplicate chardev: %s\n", label);
1604 exit(1);
1605 }
6ca5582d 1606 qemu_opt_set(opts, "mode", mode);
88589343
GH		 1607 qemu_opt_set(opts, "chardev", label);
1608 if (def)
1609 qemu_opt_set(opts, "default", "on");
1610 monitor_device_index++;
1611}
1612
bd3c948d
GH		 1613struct device_config {
1614 enum {
aee1b935
GH		 1615 DEV_USB, /* -usbdevice */
1616 DEV_BT, /* -bt */
1617 DEV_SERIAL, /* -serial */
1618 DEV_PARALLEL, /* -parallel */
1619 DEV_VIRTCON, /* -virtioconsole */
c9f398e5 1620 DEV_DEBUGCON, /* -debugcon */
bd3c948d
GH		 1621 } type;
1622 const char *cmdline;
72cf2d4f 1623 QTAILQ_ENTRY(device_config) next;
bd3c948d 1624};
72cf2d4f 1625QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
bd3c948d
GH		 1626
1627static void add_device_config(int type, const char *cmdline)
1628{
1629 struct device_config *conf;
1630
1631 conf = qemu_mallocz(sizeof(*conf));
1632 conf->type = type;
1633 conf->cmdline = cmdline;
72cf2d4f 1634 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
bd3c948d
GH		 1635}
1636
1637static int foreach_device_config(int type, int (*func)(const char *cmdline))
1638{
1639 struct device_config *conf;
1640 int rc;
1641
72cf2d4f 1642 QTAILQ_FOREACH(conf, &device_configs, next) {
bd3c948d
GH		 1643 if (conf->type != type)
1644 continue;
1645 rc = func(conf->cmdline);
1646 if (0 != rc)
1647 return rc;
1648 }
1649 return 0;
1650}
1651
998bbd74
GH		 1652static int serial_parse(const char *devname)
1653{
1654 static int index = 0;
1655 char label[32];
1656
1657 if (strcmp(devname, "none") == 0)
1658 return 0;
1659 if (index == MAX_SERIAL_PORTS) {
1660 fprintf(stderr, "qemu: too many serial ports\n");
1661 exit(1);
1662 }
1663 snprintf(label, sizeof(label), "serial%d", index);
1664 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1665 if (!serial_hds[index]) {
1666 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1667 devname, strerror(errno));
1668 return -1;
1669 }
1670 index++;
1671 return 0;
1672}
1673
6a5e8b0e
GH		 1674static int parallel_parse(const char *devname)
1675{
1676 static int index = 0;
1677 char label[32];
1678
1679 if (strcmp(devname, "none") == 0)
1680 return 0;
1681 if (index == MAX_PARALLEL_PORTS) {
1682 fprintf(stderr, "qemu: too many parallel ports\n");
1683 exit(1);
1684 }
1685 snprintf(label, sizeof(label), "parallel%d", index);
1686 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1687 if (!parallel_hds[index]) {
1688 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1689 devname, strerror(errno));
1690 return -1;
1691 }
1692 index++;
1693 return 0;
1694}
1695
aee1b935
GH		 1696static int virtcon_parse(const char *devname)
1697{
1698 static int index = 0;
1699 char label[32];
392ecf54 1700 QemuOpts *bus_opts, *dev_opts;
aee1b935
GH		 1701
1702 if (strcmp(devname, "none") == 0)
1703 return 0;
1704 if (index == MAX_VIRTIO_CONSOLES) {
1705 fprintf(stderr, "qemu: too many virtio consoles\n");
1706 exit(1);
1707 }
392ecf54
AS		 1708
1709 bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1710 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1711
1712 dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1713 qemu_opt_set(dev_opts, "driver", "virtconsole");
1714
aee1b935
GH		 1715 snprintf(label, sizeof(label), "virtcon%d", index);
1716 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1717 if (!virtcon_hds[index]) {
1718 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1719 devname, strerror(errno));
1720 return -1;
1721 }
392ecf54
AS		 1722 qemu_opt_set(dev_opts, "chardev", label);
1723
aee1b935
GH		 1724 index++;
1725 return 0;
1726}
1727
c9f398e5
PA		 1728static int debugcon_parse(const char *devname)
1729{
1730 QemuOpts *opts;
1731
1732 if (!qemu_chr_open("debugcon", devname, NULL)) {
1733 exit(1);
1734 }
1735 opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1);
1736 if (!opts) {
1737 fprintf(stderr, "qemu: already have a debugcon device\n");
1738 exit(1);
1739 }
1740 qemu_opt_set(opts, "driver", "isa-debugcon");
1741 qemu_opt_set(opts, "chardev", "debugcon");
1742 return 0;
1743}
1744
fd42deeb
GH		 1745void qemu_add_exit_notifier(Notifier *notify)
1746{
1747 notifier_list_add(&exit_notifiers, notify);
1748}
1749
1750void qemu_remove_exit_notifier(Notifier *notify)
1751{
1752 notifier_list_remove(&exit_notifiers, notify);
1753}
1754
1755static void qemu_run_exit_notifiers(void)
1756{
1757 notifier_list_notify(&exit_notifiers);
1758}
1759
6530a97b
AL		 1760static const QEMUOption *lookup_opt(int argc, char **argv,
1761 const char **poptarg, int *poptind)
1762{
1763 const QEMUOption *popt;
1764 int optind = *poptind;
1765 char *r = argv[optind];
1766 const char *optarg;
1767
0f0bc3f1 1768 loc_set_cmdline(argv, optind, 1);
6530a97b
AL		 1769 optind++;
1770 /* Treat --foo the same as -foo. */
1771 if (r[1] == '-')
1772 r++;
1773 popt = qemu_options;
1774 for(;;) {
1775 if (!popt->name) {
0f0bc3f1 1776 error_report("invalid option");
6530a97b
AL		 1777 exit(1);
1778 }
1779 if (!strcmp(popt->name, r + 1))
1780 break;
1781 popt++;
1782 }
1783 if (popt->flags & HAS_ARG) {
1784 if (optind >= argc) {
0f0bc3f1 1785 error_report("requires an argument");
6530a97b
AL		 1786 exit(1);
1787 }
1788 optarg = argv[optind++];
0f0bc3f1 1789 loc_set_cmdline(argv, optind - 2, 2);
6530a97b
AL		 1790 } else {
1791 optarg = NULL;
1792 }
1793
1794 *poptarg = optarg;
1795 *poptind = optind;
1796
1797 return popt;
1798}
1799
902b3d5c 1800int main(int argc, char **argv, char **envp)
0824d6fc 1801{
59030a8c 1802 const char *gdbstub_dev = NULL;
e4bcb14c 1803 int i;
da1fcfda 1804 int snapshot, linux_boot;
4e3de9e9 1805 const char *icount_option = NULL;
7f7f9873 1806 const char *initrd_filename;
a20dd508 1807 const char *kernel_filename, *kernel_cmdline;
195325a4 1808 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
3023f332 1809 DisplayState *ds;
7d957bd8 1810 DisplayChangeListener *dcl;
46d4767d 1811 int cyls, heads, secs, translation;
f31d07d1 1812 QemuOpts *hda_opts = NULL, *opts;
cd6f1169 1813 int optind;
6530a97b 1814 const char *optarg;
d63d307f 1815 const char *loadvm = NULL;
cc1daa40 1816 QEMUMachine *machine;
94fc95cd 1817 const char *cpu_model;
26a5f13b 1818 int tb_size;
93815bc2 1819 const char *pid_file = NULL;
5bb7910a 1820 const char *incoming = NULL;
993fbfdb 1821 int show_vnc_port = 0;
292444cb 1822 int defconfig = 1;
0bd48850 1823
fd42deeb 1824 atexit(qemu_run_exit_notifiers);
65abca0a
MA		 1825 error_set_progname(argv[0]);
1826
6875204c
JK		 1827 init_clocks();
1828
902b3d5c 1829 qemu_cache_utils_init(envp);
1830
72cf2d4f 1831 QLIST_INIT (&vm_change_state_head);
fe98ac14 1832 os_setup_early_signal_handling();
be995c27 1833
f80f9ec9 1834 module_call_init(MODULE_INIT_MACHINE);
0c257437 1835 machine = find_default_machine();
94fc95cd 1836 cpu_model = NULL;
fc01f7e7 1837 initrd_filename = NULL;
4fc5d071 1838 ram_size = 0;
33e3963e 1839 snapshot = 0;
a20dd508
FB		 1840 kernel_filename = NULL;
1841 kernel_cmdline = "";
c4b1fcc0 1842 cyls = heads = secs = 0;
46d4767d 1843 translation = BIOS_ATA_TRANSLATION_AUTO;
c4b1fcc0 1844
268a362c
AL		 1845 for (i = 0; i < MAX_NODES; i++) {
1846 node_mem[i] = 0;
1847 node_cpumask[i] = 0;
1848 }
1849
268a362c 1850 nb_numa_nodes = 0;
7c9d8e07 1851 nb_nics = 0;
3b46e624 1852
26a5f13b 1853 tb_size = 0;
41bd639b
BS		 1854 autostart= 1;
1855
292444cb
AL		 1856 /* first pass of option parsing */
1857 optind = 1;
1858 while (optind < argc) {
1859 if (argv[optind][0] != '-') {
1860 /* disk image */
28e68d68 1861 optind++;
292444cb
AL		 1862 continue;
1863 } else {
1864 const QEMUOption *popt;
1865
1866 popt = lookup_opt(argc, argv, &optarg, &optind);
1867 switch (popt->index) {
1868 case QEMU_OPTION_nodefconfig:
1869 defconfig=0;
1870 break;
1871 }
1872 }
1873 }
1874
1875 if (defconfig) {
dcfb0939 1876 int ret;
cf5a65aa 1877
dcfb0939 1878 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
019e78ba 1879 if (ret < 0 && ret != -ENOENT) {
dcfb0939 1880 exit(1);
292444cb
AL		 1881 }
1882
dcfb0939 1883 ret = qemu_read_config_file(arch_config_name);
019e78ba 1884 if (ret < 0 && ret != -ENOENT) {
dcfb0939 1885 exit(1);
292444cb
AL		 1886 }
1887 }
de06f8d1 1888 cpudef_init();
292444cb
AL		 1889
1890 /* second pass of option parsing */
cd6f1169 1891 optind = 1;
0824d6fc 1892 for(;;) {
cd6f1169 1893 if (optind >= argc)
0824d6fc 1894 break;
6530a97b 1895 if (argv[optind][0] != '-') {
9dfd7c7a 1896 hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
cd6f1169
FB		 1897 } else {
1898 const QEMUOption *popt;
1899
6530a97b 1900 popt = lookup_opt(argc, argv, &optarg, &optind);
ad96090a
BS		 1901 if (!(popt->arch_mask & arch_type)) {
1902 printf("Option %s not supported for this target\n", popt->name);
1903 exit(1);
1904 }
cd6f1169 1905 switch(popt->index) {
cc1daa40
FB		 1906 case QEMU_OPTION_M:
1907 machine = find_machine(optarg);
1908 if (!machine) {
1909 QEMUMachine *m;
1910 printf("Supported machines are:\n");
1911 for(m = first_machine; m != NULL; m = m->next) {
3f6599e6
MM		 1912 if (m->alias)
1913 printf("%-10s %s (alias of %s)\n",
1914 m->alias, m->desc, m->name);
cc1daa40 1915 printf("%-10s %s%s\n",
5fafdf24 1916 m->name, m->desc,
0c257437 1917 m->is_default ? " (default)" : "");
cc1daa40 1918 }
15f82208 1919 exit(*optarg != '?');
cc1daa40
FB		 1920 }
1921 break;
94fc95cd
JM		 1922 case QEMU_OPTION_cpu:
1923 /* hw initialization will check this */
15f82208 1924 if (*optarg == '?') {
262353cb 1925 list_cpus(stdout, &fprintf, optarg);
15f82208 1926 exit(0);
94fc95cd
JM		 1927 } else {
1928 cpu_model = optarg;
1929 }
1930 break;
cd6f1169 1931 case QEMU_OPTION_initrd:
fc01f7e7
FB		 1932 initrd_filename = optarg;
1933 break;
cd6f1169 1934 case QEMU_OPTION_hda:
e4bcb14c 1935 if (cyls == 0)
9dfd7c7a 1936 hda_opts = drive_add(optarg, HD_ALIAS, 0);
e4bcb14c 1937 else
9dfd7c7a 1938 hda_opts = drive_add(optarg, HD_ALIAS
e4bcb14c 1939 ",cyls=%d,heads=%d,secs=%d%s",
609497ab 1940 0, cyls, heads, secs,
e4bcb14c
TS		 1941 translation == BIOS_ATA_TRANSLATION_LBA ?
1942 ",trans=lba" :
1943 translation == BIOS_ATA_TRANSLATION_NONE ?
1944 ",trans=none" : "");
1945 break;
cd6f1169 1946 case QEMU_OPTION_hdb:
cc1daa40
FB		 1947 case QEMU_OPTION_hdc:
1948 case QEMU_OPTION_hdd:
609497ab 1949 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
fc01f7e7 1950 break;
e4bcb14c 1951 case QEMU_OPTION_drive:
609497ab 1952 drive_add(NULL, "%s", optarg);
e4bcb14c 1953 break;
d058fe03
GH		 1954 case QEMU_OPTION_set:
1955 if (qemu_set_option(optarg) != 0)
1956 exit(1);
1957 break;
d0fef6fb
GH		 1958 case QEMU_OPTION_global:
1959 if (qemu_global_option(optarg) != 0)
1960 exit(1);
1961 break;
3e3d5815 1962 case QEMU_OPTION_mtdblock:
609497ab 1963 drive_add(optarg, MTD_ALIAS);
3e3d5815 1964 break;
a1bb27b1 1965 case QEMU_OPTION_sd:
609497ab 1966 drive_add(optarg, SD_ALIAS);
a1bb27b1 1967 break;
86f55663 1968 case QEMU_OPTION_pflash:
609497ab 1969 drive_add(optarg, PFLASH_ALIAS);
86f55663 1970 break;
cd6f1169 1971 case QEMU_OPTION_snapshot:
33e3963e
FB		 1972 snapshot = 1;
1973 break;
cd6f1169 1974 case QEMU_OPTION_hdachs:
330d0414 1975 {
330d0414
FB		 1976 const char *p;
1977 p = optarg;
1978 cyls = strtol(p, (char **)&p, 0);
46d4767d
FB		 1979 if (cyls < 1 || cyls > 16383)
1980 goto chs_fail;
330d0414
FB		 1981 if (*p != ',')
1982 goto chs_fail;
1983 p++;
1984 heads = strtol(p, (char **)&p, 0);
46d4767d
FB		 1985 if (heads < 1 || heads > 16)
1986 goto chs_fail;
330d0414
FB		 1987 if (*p != ',')
1988 goto chs_fail;
1989 p++;
1990 secs = strtol(p, (char **)&p, 0);
46d4767d
FB		 1991 if (secs < 1 || secs > 63)
1992 goto chs_fail;
1993 if (*p == ',') {
1994 p++;
1995 if (!strcmp(p, "none"))
1996 translation = BIOS_ATA_TRANSLATION_NONE;
1997 else if (!strcmp(p, "lba"))
1998 translation = BIOS_ATA_TRANSLATION_LBA;
1999 else if (!strcmp(p, "auto"))
2000 translation = BIOS_ATA_TRANSLATION_AUTO;
2001 else
2002 goto chs_fail;
2003 } else if (*p != '\0') {
c4b1fcc0 2004 chs_fail:
46d4767d
FB		 2005 fprintf(stderr, "qemu: invalid physical CHS format\n");
2006 exit(1);
c4b1fcc0 2007 }
9dfd7c7a
GH		 2008 if (hda_opts != NULL) {
2009 char num[16];
2010 snprintf(num, sizeof(num), "%d", cyls);
2011 qemu_opt_set(hda_opts, "cyls", num);
2012 snprintf(num, sizeof(num), "%d", heads);
2013 qemu_opt_set(hda_opts, "heads", num);
2014 snprintf(num, sizeof(num), "%d", secs);
2015 qemu_opt_set(hda_opts, "secs", num);
2016 if (translation == BIOS_ATA_TRANSLATION_LBA)
2017 qemu_opt_set(hda_opts, "trans", "lba");
2018 if (translation == BIOS_ATA_TRANSLATION_NONE)
2019 qemu_opt_set(hda_opts, "trans", "none");
2020 }
330d0414
FB		 2021 }
2022 break;
268a362c
AL		 2023 case QEMU_OPTION_numa:
2024 if (nb_numa_nodes >= MAX_NODES) {
2025 fprintf(stderr, "qemu: too many NUMA nodes\n");
2026 exit(1);
2027 }
2028 numa_add(optarg);
2029 break;
cd6f1169 2030 case QEMU_OPTION_nographic:
993fbfdb 2031 display_type = DT_NOGRAPHIC;
a20dd508 2032 break;
4d3b6f6e
AZ		 2033#ifdef CONFIG_CURSES
2034 case QEMU_OPTION_curses:
993fbfdb 2035 display_type = DT_CURSES;
4d3b6f6e
AZ		 2036 break;
2037#endif
a171fe39
AZ		 2038 case QEMU_OPTION_portrait:
2039 graphic_rotate = 1;
2040 break;
cd6f1169 2041 case QEMU_OPTION_kernel:
a20dd508
FB		 2042 kernel_filename = optarg;
2043 break;
cd6f1169 2044 case QEMU_OPTION_append:
a20dd508 2045 kernel_cmdline = optarg;
313aa567 2046 break;
cd6f1169 2047 case QEMU_OPTION_cdrom:
609497ab 2048 drive_add(optarg, CDROM_ALIAS);
36b486bb 2049 break;
cd6f1169 2050 case QEMU_OPTION_boot:
28c5af54 2051 {
ef3adf68 2052 static const char * const params[] = {
95387491 2053 "order", "once", "menu", NULL
ef3adf68
JK		 2054 };
2055 char buf[sizeof(boot_devices)];
e0f084bf 2056 char *standard_boot_devices;
ef3adf68
JK		 2057 int legacy = 0;
2058
2059 if (!strchr(optarg, '=')) {
2060 legacy = 1;
2061 pstrcpy(buf, sizeof(buf), optarg);
2062 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2063 fprintf(stderr,
2064 "qemu: unknown boot parameter '%s' in '%s'\n",
2065 buf, optarg);
2066 exit(1);
2067 }
2068
2069 if (legacy ||
2070 get_param_value(buf, sizeof(buf), "order", optarg)) {
4e9e9d6e 2071 validate_bootdevices(buf);
ef3adf68 2072 pstrcpy(boot_devices, sizeof(boot_devices), buf);
28c5af54 2073 }
e0f084bf
JK		 2074 if (!legacy) {
2075 if (get_param_value(buf, sizeof(buf),
2076 "once", optarg)) {
4e9e9d6e 2077 validate_bootdevices(buf);
e0f084bf
JK		 2078 standard_boot_devices = qemu_strdup(boot_devices);
2079 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2080 qemu_register_reset(restore_boot_devices,
2081 standard_boot_devices);
2082 }
95387491
JK		 2083 if (get_param_value(buf, sizeof(buf),
2084 "menu", optarg)) {
2085 if (!strcmp(buf, "on")) {
2086 boot_menu = 1;
2087 } else if (!strcmp(buf, "off")) {
2088 boot_menu = 0;
2089 } else {
2090 fprintf(stderr,
2091 "qemu: invalid option value '%s'\n",
2092 buf);
2093 exit(1);
2094 }
2095 }
e0f084bf 2096 }
36b486bb
FB		 2097 }
2098 break;
cd6f1169 2099 case QEMU_OPTION_fda:
cd6f1169 2100 case QEMU_OPTION_fdb:
609497ab 2101 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
c45886db 2102 break;
52ca8d6a
FB		 2103 case QEMU_OPTION_no_fd_bootchk:
2104 fd_bootchk = 0;
2105 break;
a1ea458f
MM		 2106 case QEMU_OPTION_netdev:
2107 if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
2108 exit(1);
2109 }
2110 break;
7c9d8e07 2111 case QEMU_OPTION_net:
7f161aae 2112 if (net_client_parse(&qemu_net_opts, optarg) == -1) {
c4b1fcc0
FB		 2113 exit(1);
2114 }
702c651c 2115 break;
c7f74643
FB		 2116#ifdef CONFIG_SLIRP
2117 case QEMU_OPTION_tftp:
ad196a9d 2118 legacy_tftp_prefix = optarg;
9bf05444 2119 break;
47d5d01a 2120 case QEMU_OPTION_bootp:
ad196a9d 2121 legacy_bootp_filename = optarg;
47d5d01a 2122 break;
9bf05444 2123 case QEMU_OPTION_redir:
0752706d
MA		 2124 if (net_slirp_redir(optarg) < 0)
2125 exit(1);
9bf05444 2126 break;
c7f74643 2127#endif
dc72ac14 2128 case QEMU_OPTION_bt:
bd3c948d 2129 add_device_config(DEV_BT, optarg);
dc72ac14 2130 break;
1d14ffa9 2131 case QEMU_OPTION_audio_help:
ad96090a
BS		 2132 if (!(audio_available())) {
2133 printf("Option %s not supported for this target\n", popt->name);
2134 exit(1);
2135 }
1d14ffa9
FB		 2136 AUD_help ();
2137 exit (0);
2138 break;
2139 case QEMU_OPTION_soundhw:
ad96090a
BS		 2140 if (!(audio_available())) {
2141 printf("Option %s not supported for this target\n", popt->name);
2142 exit(1);
2143 }
1d14ffa9
FB		 2144 select_soundhw (optarg);
2145 break;
cd6f1169 2146 case QEMU_OPTION_h:
15f82208 2147 help(0);
cd6f1169 2148 break;
9bd7e6d9
PB		 2149 case QEMU_OPTION_version:
2150 version();
2151 exit(0);
2152 break;
00f82b8a
AJ		 2153 case QEMU_OPTION_m: {
2154 uint64_t value;
2155 char *ptr;
2156
2157 value = strtoul(optarg, &ptr, 10);
2158 switch (*ptr) {
2159 case 0: case 'M': case 'm':
2160 value <<= 20;
2161 break;
2162 case 'G': case 'g':
2163 value <<= 30;
2164 break;
2165 default:
2166 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
cd6f1169
FB		 2167 exit(1);
2168 }
00f82b8a
AJ		 2169
2170 /* On 32-bit hosts, QEMU is limited by virtual address space */
4a1418e0 2171 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
00f82b8a
AJ		 2172 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2173 exit(1);
2174 }
c227f099 2175 if (value != (uint64_t)(ram_addr_t)value) {
00f82b8a
AJ		 2176 fprintf(stderr, "qemu: ram size too large\n");
2177 exit(1);
2178 }
2179 ram_size = value;
cd6f1169 2180 break;
00f82b8a 2181 }
c902760f
MT		 2182 case QEMU_OPTION_mempath:
2183 mem_path = optarg;
2184 break;
2185#ifdef MAP_POPULATE
2186 case QEMU_OPTION_mem_prealloc:
2187 mem_prealloc = 1;
2188 break;
2189#endif
cd6f1169 2190 case QEMU_OPTION_d:
de06f8d1 2191 set_cpu_log(optarg);
cd6f1169 2192 break;
cd6f1169 2193 case QEMU_OPTION_s:
59030a8c 2194 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
cd6f1169 2195 break;
59030a8c
AL		 2196 case QEMU_OPTION_gdb:
2197 gdbstub_dev = optarg;
cd6f1169 2198 break;
cd6f1169 2199 case QEMU_OPTION_L:
5cea8590 2200 data_dir = optarg;
cd6f1169 2201 break;
1192dad8
JM		 2202 case QEMU_OPTION_bios:
2203 bios_name = optarg;
2204 break;
1b530a6d
AJ		 2205 case QEMU_OPTION_singlestep:
2206 singlestep = 1;
2207 break;
cd6f1169 2208 case QEMU_OPTION_S:
3c07f8e8 2209 autostart = 0;
cd6f1169 2210 break;
3d11d0eb
FB		 2211 case QEMU_OPTION_k:
2212 keyboard_layout = optarg;
2213 break;
ee22c2f7
FB		 2214 case QEMU_OPTION_localtime:
2215 rtc_utc = 0;
2216 break;
3893c124 2217 case QEMU_OPTION_vga:
2218 select_vgahw (optarg);
1bfe856e 2219 break;
e9b137c2
FB		 2220 case QEMU_OPTION_g:
2221 {
2222 const char *p;
2223 int w, h, depth;
2224 p = optarg;
2225 w = strtol(p, (char **)&p, 10);
2226 if (w <= 0) {
2227 graphic_error:
2228 fprintf(stderr, "qemu: invalid resolution or depth\n");
2229 exit(1);
2230 }
2231 if (*p != 'x')
2232 goto graphic_error;
2233 p++;
2234 h = strtol(p, (char **)&p, 10);
2235 if (h <= 0)
2236 goto graphic_error;
2237 if (*p == 'x') {
2238 p++;
2239 depth = strtol(p, (char **)&p, 10);
5fafdf24 2240 if (depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB		 2241 depth != 24 && depth != 32)
2242 goto graphic_error;
2243 } else if (*p == '\0') {
2244 depth = graphic_depth;
2245 } else {
2246 goto graphic_error;
2247 }
3b46e624 2248
e9b137c2
FB		 2249 graphic_width = w;
2250 graphic_height = h;
2251 graphic_depth = depth;
2252 }
2253 break;
20d8a3ed
TS		 2254 case QEMU_OPTION_echr:
2255 {
2256 char *r;
2257 term_escape_char = strtol(optarg, &r, 0);
2258 if (r == optarg)
2259 printf("Bad argument to echr\n");
2260 break;
2261 }
82c643ff 2262 case QEMU_OPTION_monitor:
6ca5582d
GH		 2263 monitor_parse(optarg, "readline");
2264 default_monitor = 0;
2265 break;
2266 case QEMU_OPTION_qmp:
2267 monitor_parse(optarg, "control");
2d114dc1 2268 default_monitor = 0;
82c643ff 2269 break;
22a0e04b 2270 case QEMU_OPTION_mon:
8212c64f 2271 opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
22a0e04b 2272 if (!opts) {
22a0e04b
GH		 2273 exit(1);
2274 }
2d114dc1 2275 default_monitor = 0;
22a0e04b 2276 break;
191bc01b 2277 case QEMU_OPTION_chardev:
8212c64f 2278 opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
191bc01b 2279 if (!opts) {
191bc01b
GH		 2280 exit(1);
2281 }
191bc01b 2282 break;
758e8e38 2283#ifdef CONFIG_VIRTFS
74db920c
GS		 2284 case QEMU_OPTION_fsdev:
2285 opts = qemu_opts_parse(&qemu_fsdev_opts, optarg, 1);
2286 if (!opts) {
2287 fprintf(stderr, "parse error: %s\n", optarg);
2288 exit(1);
2289 }
2290 break;
3d54abc7
GS		 2291 case QEMU_OPTION_virtfs: {
2292 char *arg_fsdev = NULL;
2293 char *arg_9p = NULL;
2294 int len = 0;
2295
2296 opts = qemu_opts_parse(&qemu_virtfs_opts, optarg, 1);
2297 if (!opts) {
2298 fprintf(stderr, "parse error: %s\n", optarg);
2299 exit(1);
2300 }
2301
9ce56db6
VJ		 2302 if (qemu_opt_get(opts, "fstype") == NULL ||
2303 qemu_opt_get(opts, "mount_tag") == NULL ||
2304 qemu_opt_get(opts, "path") == NULL ||
2305 qemu_opt_get(opts, "security_model") == NULL) {
2306 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2307 "security_model=[mapped|passthrough],"
2308 "mnt_tag=tag.\n");
2309 exit(1);
2310 }
2311
2312 len = strlen(",id=,path=,security_model=");
3d54abc7
GS		 2313 len += strlen(qemu_opt_get(opts, "fstype"));
2314 len += strlen(qemu_opt_get(opts, "mount_tag"));
2315 len += strlen(qemu_opt_get(opts, "path"));
9ce56db6 2316 len += strlen(qemu_opt_get(opts, "security_model"));
3d54abc7
GS		 2317 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2318
9ce56db6 2319 sprintf(arg_fsdev, "%s,id=%s,path=%s,security_model=%s",
3d54abc7
GS		 2320 qemu_opt_get(opts, "fstype"),
2321 qemu_opt_get(opts, "mount_tag"),
9ce56db6
VJ		 2322 qemu_opt_get(opts, "path"),
2323 qemu_opt_get(opts, "security_model"));
3d54abc7
GS		 2324
2325 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2326 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2327 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2328
3d54abc7
GS		 2329 sprintf(arg_9p, "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2330 qemu_opt_get(opts, "mount_tag"),
2331 qemu_opt_get(opts, "mount_tag"));
2332
2333 if (!qemu_opts_parse(&qemu_fsdev_opts, arg_fsdev, 1)) {
2334 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2335 exit(1);
2336 }
2337
2338 if (!qemu_opts_parse(&qemu_device_opts, arg_9p, 1)) {
2339 fprintf(stderr, "parse error [device]: %s\n", optarg);
2340 exit(1);
2341 }
2342
2343 qemu_free(arg_fsdev);
2344 qemu_free(arg_9p);
2345 break;
2346 }
74db920c 2347#endif
82c643ff 2348 case QEMU_OPTION_serial:
998bbd74
GH		 2349 add_device_config(DEV_SERIAL, optarg);
2350 default_serial = 0;
18141ed6
JK		 2351 if (strncmp(optarg, "mon:", 4) == 0) {
2352 default_monitor = 0;
2353 }
82c643ff 2354 break;
9dd986cc 2355 case QEMU_OPTION_watchdog:
09aaa160
MA		 2356 if (watchdog) {
2357 fprintf(stderr,
2358 "qemu: only one watchdog option may be given\n");
2359 return 1;
2360 }
2361 watchdog = optarg;
9dd986cc
RJ		 2362 break;
2363 case QEMU_OPTION_watchdog_action:
2364 if (select_watchdog_action(optarg) == -1) {
2365 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2366 exit(1);
2367 }
2368 break;
51ecf136 2369 case QEMU_OPTION_virtiocon:
aee1b935
GH		 2370 add_device_config(DEV_VIRTCON, optarg);
2371 default_virtcon = 0;
18141ed6
JK		 2372 if (strncmp(optarg, "mon:", 4) == 0) {
2373 default_monitor = 0;
2374 }
51ecf136 2375 break;
6508fe59 2376 case QEMU_OPTION_parallel:
6a5e8b0e
GH		 2377 add_device_config(DEV_PARALLEL, optarg);
2378 default_parallel = 0;
18141ed6
JK		 2379 if (strncmp(optarg, "mon:", 4) == 0) {
2380 default_monitor = 0;
2381 }
6508fe59 2382 break;
c9f398e5
PA		 2383 case QEMU_OPTION_debugcon:
2384 add_device_config(DEV_DEBUGCON, optarg);
2385 break;
d63d307f
FB		 2386 case QEMU_OPTION_loadvm:
2387 loadvm = optarg;
2388 break;
2389 case QEMU_OPTION_full_screen:
2390 full_screen = 1;
2391 break;
667accab 2392#ifdef CONFIG_SDL
43523e93
TS		 2393 case QEMU_OPTION_no_frame:
2394 no_frame = 1;
2395 break;
3780e197
TS		 2396 case QEMU_OPTION_alt_grab:
2397 alt_grab = 1;
2398 break;
0ca9f8a4
DK		 2399 case QEMU_OPTION_ctrl_grab:
2400 ctrl_grab = 1;
2401 break;
667accab
TS		 2402 case QEMU_OPTION_no_quit:
2403 no_quit = 1;
2404 break;
7d957bd8 2405 case QEMU_OPTION_sdl:
993fbfdb 2406 display_type = DT_SDL;
7d957bd8 2407 break;
667accab 2408#endif
f7cce898 2409 case QEMU_OPTION_pidfile:
93815bc2 2410 pid_file = optarg;
f7cce898 2411 break;
a09db21f
FB		 2412 case QEMU_OPTION_win2k_hack:
2413 win2k_install_hack = 1;
2414 break;
73822ec8
AL		 2415 case QEMU_OPTION_rtc_td_hack:
2416 rtc_td_hack = 1;
2417 break;
8a92ea2f 2418 case QEMU_OPTION_acpitable:
de06f8d1 2419 do_acpitable_option(optarg);
8a92ea2f 2420 break;
b6f6e3d3 2421 case QEMU_OPTION_smbios:
de06f8d1 2422 do_smbios_option(optarg);
b6f6e3d3 2423 break;
7ba1e619
AL		 2424 case QEMU_OPTION_enable_kvm:
2425 kvm_allowed = 1;
7ba1e619 2426 break;
bb36d470
FB		 2427 case QEMU_OPTION_usb:
2428 usb_enabled = 1;
2429 break;
a594cfbf
FB		 2430 case QEMU_OPTION_usbdevice:
2431 usb_enabled = 1;
bd3c948d
GH		 2432 add_device_config(DEV_USB, optarg);
2433 break;
2434 case QEMU_OPTION_device:
8212c64f 2435 if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
f31d07d1
GH		 2436 exit(1);
2437 }
a594cfbf 2438 break;
6a00d601 2439 case QEMU_OPTION_smp:
dc6b1c09 2440 smp_parse(optarg);
b2097003 2441 if (smp_cpus < 1) {
6a00d601
FB		 2442 fprintf(stderr, "Invalid number of CPUs\n");
2443 exit(1);
2444 }
6be68d7e
JS		 2445 if (max_cpus < smp_cpus) {
2446 fprintf(stderr, "maxcpus must be equal to or greater than "
2447 "smp\n");
2448 exit(1);
2449 }
2450 if (max_cpus > 255) {
2451 fprintf(stderr, "Unsupported number of maxcpus\n");
2452 exit(1);
2453 }
6a00d601 2454 break;
24236869 2455 case QEMU_OPTION_vnc:
993fbfdb 2456 display_type = DT_VNC;
73fc9742 2457 vnc_display = optarg;
24236869 2458 break;
6515b203
FB		 2459 case QEMU_OPTION_no_acpi:
2460 acpi_enabled = 0;
2461 break;
16b29ae1
AL		 2462 case QEMU_OPTION_no_hpet:
2463 no_hpet = 1;
2464 break;
7d4c3d53
MA		 2465 case QEMU_OPTION_balloon:
2466 if (balloon_parse(optarg) < 0) {
2467 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2468 exit(1);
2469 }
df97b920 2470 break;
d1beab82
FB		 2471 case QEMU_OPTION_no_reboot:
2472 no_reboot = 1;
2473 break;
b2f76161
AJ		 2474 case QEMU_OPTION_no_shutdown:
2475 no_shutdown = 1;
2476 break;
9467cd46
AZ		 2477 case QEMU_OPTION_show_cursor:
2478 cursor_hide = 0;
2479 break;
8fcb1b90
BS		 2480 case QEMU_OPTION_uuid:
2481 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2482 fprintf(stderr, "Fail to parse UUID string."
2483 " Wrong format.\n");
2484 exit(1);
2485 }
2486 break;
9ae02555
TS		 2487 case QEMU_OPTION_option_rom:
2488 if (nb_option_roms >= MAX_OPTION_ROMS) {
2489 fprintf(stderr, "Too many option ROMs\n");
2490 exit(1);
2491 }
2492 option_rom[nb_option_roms] = optarg;
2493 nb_option_roms++;
2494 break;
8e71621f
PB		 2495 case QEMU_OPTION_semihosting:
2496 semihosting_enabled = 1;
2497 break;
c35734b2 2498 case QEMU_OPTION_name:
1889465a
AK		 2499 qemu_name = qemu_strdup(optarg);
2500 {
2501 char *p = strchr(qemu_name, ',');
2502 if (p != NULL) {
2503 *p++ = 0;
2504 if (strncmp(p, "process=", 8)) {
2505 fprintf(stderr, "Unknown subargument %s to -name", p);
2506 exit(1);
2507 }
2508 p += 8;
ce798cf2 2509 os_set_proc_name(p);
1889465a
AK		 2510 }
2511 }
c35734b2 2512 break;
66508601
BS		 2513 case QEMU_OPTION_prom_env:
2514 if (nb_prom_envs >= MAX_PROM_ENVS) {
2515 fprintf(stderr, "Too many prom variables\n");
2516 exit(1);
2517 }
2518 prom_envs[nb_prom_envs] = optarg;
2519 nb_prom_envs++;
2520 break;
2b8f2d41
AZ		 2521 case QEMU_OPTION_old_param:
2522 old_param = 1;
05ebd537 2523 break;
f3dcfada
TS		 2524 case QEMU_OPTION_clock:
2525 configure_alarms(optarg);
2526 break;
7e0af5d0 2527 case QEMU_OPTION_startdate:
1ed2fc1f
JK		 2528 configure_rtc_date_offset(optarg, 1);
2529 break;
2530 case QEMU_OPTION_rtc:
8212c64f 2531 opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
1ed2fc1f 2532 if (!opts) {
1ed2fc1f 2533 exit(1);
7e0af5d0 2534 }
1ed2fc1f 2535 configure_rtc(opts);
7e0af5d0 2536 break;
26a5f13b
FB		 2537 case QEMU_OPTION_tb_size:
2538 tb_size = strtol(optarg, NULL, 0);
2539 if (tb_size < 0)
2540 tb_size = 0;
2541 break;
2e70f6ef 2542 case QEMU_OPTION_icount:
4e3de9e9 2543 icount_option = optarg;
2e70f6ef 2544 break;
5bb7910a
AL		 2545 case QEMU_OPTION_incoming:
2546 incoming = optarg;
8e84865e 2547 incoming_expected = true;
5bb7910a 2548 break;
d8c208dd
GH		 2549 case QEMU_OPTION_nodefaults:
2550 default_serial = 0;
2551 default_parallel = 0;
aee1b935 2552 default_virtcon = 0;
d8c208dd
GH		 2553 default_monitor = 0;
2554 default_vga = 0;
cb4522cc 2555 default_net = 0;
ac33f8fa
GH		 2556 default_floppy = 0;
2557 default_cdrom = 0;
2558 default_sdcard = 0;
d8c208dd 2559 break;
e37630ca 2560 case QEMU_OPTION_xen_domid:
ad96090a
BS		 2561 if (!(xen_available())) {
2562 printf("Option %s not supported for this target\n", popt->name);
2563 exit(1);
2564 }
e37630ca
AL		 2565 xen_domid = atoi(optarg);
2566 break;
2567 case QEMU_OPTION_xen_create:
ad96090a
BS		 2568 if (!(xen_available())) {
2569 printf("Option %s not supported for this target\n", popt->name);
2570 exit(1);
2571 }
e37630ca
AL		 2572 xen_mode = XEN_CREATE;
2573 break;
2574 case QEMU_OPTION_xen_attach:
ad96090a
BS		 2575 if (!(xen_available())) {
2576 printf("Option %s not supported for this target\n", popt->name);
2577 exit(1);
2578 }
e37630ca
AL		 2579 xen_mode = XEN_ATTACH;
2580 break;
715a664a
GH		 2581 case QEMU_OPTION_readconfig:
2582 {
dcfb0939
KW		 2583 int ret = qemu_read_config_file(optarg);
2584 if (ret < 0) {
2585 fprintf(stderr, "read config %s: %s\n", optarg,
2586 strerror(-ret));
715a664a
GH		 2587 exit(1);
2588 }
715a664a
GH		 2589 break;
2590 }
2591 case QEMU_OPTION_writeconfig:
2592 {
2593 FILE *fp;
2594 if (strcmp(optarg, "-") == 0) {
2595 fp = stdout;
2596 } else {
2597 fp = fopen(optarg, "w");
2598 if (fp == NULL) {
2599 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2600 exit(1);
2601 }
2602 }
2603 qemu_config_write(fp);
2604 fclose(fp);
2605 break;
2606 }
59a5264b
JS		 2607 default:
2608 os_parse_cmd_args(popt->index, optarg);
cd6f1169 2609 }
0824d6fc
FB		 2610 }
2611 }
0f0bc3f1 2612 loc_set_none();
330d0414 2613
5cea8590
PB		 2614 /* If no data_dir is specified then try to find it relative to the
2615 executable path. */
2616 if (!data_dir) {
6170540b 2617 data_dir = os_find_datadir(argv[0]);
5cea8590
PB		 2618 }
2619 /* If all else fails use the install patch specified when building. */
2620 if (!data_dir) {
1dabe05c 2621 data_dir = CONFIG_QEMU_DATADIR;
5cea8590
PB		 2622 }
2623
6be68d7e
JS		 2624 /*
2625 * Default to max_cpus = smp_cpus, in case the user doesn't
2626 * specify a max_cpus value.
2627 */
2628 if (!max_cpus)
2629 max_cpus = smp_cpus;
2630
3d878caa 2631 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
b2097003
AL		 2632 if (smp_cpus > machine->max_cpus) {
2633 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2634 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2635 machine->max_cpus);
2636 exit(1);
2637 }
2638
998bbd74 2639 qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0);
d8bcbabf 2640 qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0);
998bbd74 2641
986c5f78
GH		 2642 if (machine->no_serial) {
2643 default_serial = 0;
2644 }
2645 if (machine->no_parallel) {
2646 default_parallel = 0;
2647 }
2648 if (!machine->use_virtcon) {
2649 default_virtcon = 0;
2650 }
2651 if (machine->no_vga) {
2652 default_vga = 0;
2653 }
ac33f8fa
GH		 2654 if (machine->no_floppy) {
2655 default_floppy = 0;
2656 }
2657 if (machine->no_cdrom) {
2658 default_cdrom = 0;
2659 }
2660 if (machine->no_sdcard) {
2661 default_sdcard = 0;
2662 }
986c5f78 2663
993fbfdb 2664 if (display_type == DT_NOGRAPHIC) {
6a5e8b0e
GH		 2665 if (default_parallel)
2666 add_device_config(DEV_PARALLEL, "null");
e1c09175
GH		 2667 if (default_serial && default_monitor) {
2668 add_device_config(DEV_SERIAL, "mon:stdio");
986c5f78
GH		 2669 } else if (default_virtcon && default_monitor) {
2670 add_device_config(DEV_VIRTCON, "mon:stdio");
e1c09175
GH		 2671 } else {
2672 if (default_serial)
2673 add_device_config(DEV_SERIAL, "stdio");
986c5f78
GH		 2674 if (default_virtcon)
2675 add_device_config(DEV_VIRTCON, "stdio");
e1c09175 2676 if (default_monitor)
6ca5582d 2677 monitor_parse("stdio", "readline");
e1c09175 2678 }
998bbd74
GH		 2679 } else {
2680 if (default_serial)
2681 add_device_config(DEV_SERIAL, "vc:80Cx24C");
6a5e8b0e
GH		 2682 if (default_parallel)
2683 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
abdeed06 2684 if (default_monitor)
6ca5582d 2685 monitor_parse("vc:80Cx24C", "readline");
38536da1
AG		 2686 if (default_virtcon)
2687 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
bc0129d9 2688 }
64465297
GH		 2689 if (default_vga)
2690 vga_interface_type = VGA_CIRRUS;
bc0129d9 2691
a5829fd9
T		 2692 socket_init();
2693
1a688d3b
GH		 2694 if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
2695 exit(1);
758e8e38 2696#ifdef CONFIG_VIRTFS
74db920c
GS		 2697 if (qemu_opts_foreach(&qemu_fsdev_opts, fsdev_init_func, NULL, 1) != 0) {
2698 exit(1);
2699 }
2700#endif
1a688d3b 2701
eb505be1 2702 os_daemonize();
71e3ceb8 2703
aa26bb2d 2704 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
eb505be1 2705 os_pidfile_error();
93815bc2
TS		 2706 exit(1);
2707 }
2708
98c8573e
PB		 2709 if (kvm_allowed) {
2710 int ret = kvm_init(smp_cpus);
214910a7 2711 if (ret < 0) {
98c8573e
PB		 2712 if (!kvm_available()) {
2713 printf("KVM not supported for this target\n");
2714 } else {
2715 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
2716 }
214910a7
MT		 2717 exit(1);
2718 }
2719 }
2720
3fcf7b6b
AL		 2721 if (qemu_init_main_loop()) {
2722 fprintf(stderr, "qemu_init_main_loop failed\n");
2723 exit(1);
2724 }
a20dd508 2725 linux_boot = (kernel_filename != NULL);
6c41b272 2726
f8d39c01
TS		 2727 if (!linux_boot && *kernel_cmdline != '\0') {
2728 fprintf(stderr, "-append only allowed with -kernel option\n");
2729 exit(1);
2730 }
2731
2732 if (!linux_boot && initrd_filename != NULL) {
2733 fprintf(stderr, "-initrd only allowed with -kernel option\n");
2734 exit(1);
2735 }
2736
9156d763 2737 os_set_line_buffering();
3b46e624 2738
7183b4b4
AL		 2739 if (init_timer_alarm() < 0) {
2740 fprintf(stderr, "could not initialize alarm timer\n");
2741 exit(1);
2742 }
4e3de9e9 2743 configure_icount(icount_option);
634fce96 2744
dc1c9fe8
MM		 2745 if (net_init_clients() < 0) {
2746 exit(1);
702c651c 2747 }
f1510b2c 2748
dc72ac14 2749 /* init the bluetooth world */
bd3c948d
GH		 2750 if (foreach_device_config(DEV_BT, bt_parse))
2751 exit(1);
dc72ac14 2752
0824d6fc 2753 /* init the memory */
94a6b54f
PB		 2754 if (ram_size == 0)
2755 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
9ae02555 2756
26a5f13b
FB		 2757 /* init the dynamic translator */
2758 cpu_exec_init_all(tb_size * 1024 * 1024);
2759
eb852011 2760 bdrv_init_with_whitelist();
c4b1fcc0 2761
c163b5ca
LS		 2762 blk_mig_init();
2763
ac33f8fa 2764 if (default_cdrom) {
aa40fc9c
GH		 2765 /* we always create the cdrom drive, even if no disk is there */
2766 drive_add(NULL, CDROM_ALIAS);
ac33f8fa 2767 }
c4b1fcc0 2768
ac33f8fa 2769 if (default_floppy) {
aa40fc9c
GH		 2770 /* we always create at least one floppy */
2771 drive_add(NULL, FD_ALIAS, 0);
ac33f8fa 2772 }
86f55663 2773
ac33f8fa 2774 if (default_sdcard) {
aa40fc9c
GH		 2775 /* we always create one sd slot, even if no card is in it */
2776 drive_add(NULL, SD_ALIAS);
2777 }
9d413d1d 2778
e4bcb14c 2779 /* open the virtual block devices */
9dfd7c7a 2780 if (snapshot)
7282a033 2781 qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
a803cb8e 2782 if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, &machine->use_scsi, 1) != 0)
9dfd7c7a 2783 exit(1);
3e3d5815 2784
97ab12d4 2785 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
c163b5ca 2786 ram_load, NULL);
8a7ddc38 2787
268a362c
AL		 2788 if (nb_numa_nodes > 0) {
2789 int i;
2790
2791 if (nb_numa_nodes > smp_cpus) {
2792 nb_numa_nodes = smp_cpus;
2793 }
2794
2795 /* If no memory size if given for any node, assume the default case
2796 * and distribute the available memory equally across all nodes
2797 */
2798 for (i = 0; i < nb_numa_nodes; i++) {
2799 if (node_mem[i] != 0)
2800 break;
2801 }
2802 if (i == nb_numa_nodes) {
2803 uint64_t usedmem = 0;
2804
2805 /* On Linux, the each node's border has to be 8MB aligned,
2806 * the final node gets the rest.
2807 */
2808 for (i = 0; i < nb_numa_nodes - 1; i++) {
2809 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
2810 usedmem += node_mem[i];
2811 }
2812 node_mem[i] = ram_size - usedmem;
2813 }
2814
2815 for (i = 0; i < nb_numa_nodes; i++) {
2816 if (node_cpumask[i] != 0)
2817 break;
2818 }
2819 /* assigning the VCPUs round-robin is easier to implement, guest OSes
2820 * must cope with this anyway, because there are BIOSes out there in
2821 * real machines which also use this scheme.
2822 */
2823 if (i == nb_numa_nodes) {
2824 for (i = 0; i < smp_cpus; i++) {
2825 node_cpumask[i % nb_numa_nodes] |= 1 << i;
2826 }
2827 }
2828 }
2829
157b9319
JK		 2830 if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) {
2831 exit(1);
2832 }
2833
998bbd74
GH		 2834 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
2835 exit(1);
6a5e8b0e
GH		 2836 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
2837 exit(1);
aee1b935
GH		 2838 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
2839 exit(1);
c9f398e5
PA		 2840 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
2841 exit(1);
2796dae0 2842
aae9460e
PB		 2843 module_call_init(MODULE_INIT_DEVICE);
2844
ff952ba2
MA		 2845 if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0)
2846 exit(0);
2847
09aaa160
MA		 2848 if (watchdog) {
2849 i = select_watchdog(watchdog);
2850 if (i > 0)
2851 exit (i == 1 ? 1 : 0);
2852 }
2853
b6b61144 2854 if (machine->compat_props) {
458fb679 2855 qdev_prop_register_global_list(machine->compat_props);
b6b61144 2856 }
d0fef6fb
GH		 2857 qemu_add_globals();
2858
fbe1b595 2859 machine->init(ram_size, boot_devices,
3023f332
AL		 2860 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
2861
ea375f9a 2862 cpu_synchronize_all_post_init();
268a362c 2863
67b3b71d 2864 /* must be after terminal init, SDL library changes signal handlers */
8d963e6a 2865 os_setup_signal_handling();
67b3b71d 2866
87d0a28e 2867 set_numa_modes();
268a362c 2868
6f338c34
AL		 2869 current_machine = machine;
2870
3023f332
AL		 2871 /* init USB devices */
2872 if (usb_enabled) {
0752706d
MA		 2873 if (foreach_device_config(DEV_USB, usb_parse) < 0)
2874 exit(1);
3023f332
AL		 2875 }
2876
bd3c948d 2877 /* init generic devices */
f31d07d1 2878 if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
bd3c948d
GH		 2879 exit(1);
2880
668680f7
MA		 2881 net_check_clients();
2882
3023f332 2883 /* just use the first displaystate for the moment */
b473df6e 2884 ds = get_displaystate();
993fbfdb
AL		 2885
2886 if (display_type == DT_DEFAULT) {
2887#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
2888 display_type = DT_SDL;
2889#else
2890 display_type = DT_VNC;
2891 vnc_display = "localhost:0,to=99";
2892 show_vnc_port = 1;
2893#endif
2894 }
2895
2896
2897 switch (display_type) {
2898 case DT_NOGRAPHIC:
2899 break;
4d3b6f6e 2900#if defined(CONFIG_CURSES)
993fbfdb
AL		 2901 case DT_CURSES:
2902 curses_display_init(ds, full_screen);
2903 break;
4d3b6f6e 2904#endif
5b0753e0 2905#if defined(CONFIG_SDL)
993fbfdb
AL		 2906 case DT_SDL:
2907 sdl_display_init(ds, full_screen, no_frame);
2908 break;
5b0753e0 2909#elif defined(CONFIG_COCOA)
993fbfdb
AL		 2910 case DT_SDL:
2911 cocoa_display_init(ds, full_screen);
2912 break;
313aa567 2913#endif
993fbfdb
AL		 2914 case DT_VNC:
2915 vnc_display_init(ds);
2916 if (vnc_display_open(ds, vnc_display) < 0)
2917 exit(1);
f92f8afe 2918
993fbfdb
AL		 2919 if (show_vnc_port) {
2920 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
f92f8afe 2921 }
993fbfdb
AL		 2922 break;
2923 default:
2924 break;
313aa567 2925 }
7d957bd8 2926 dpy_resize(ds);
5b08fc10 2927
3023f332
AL		 2928 dcl = ds->listeners;
2929 while (dcl != NULL) {
2930 if (dcl->dpy_refresh != NULL) {
2931 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
2932 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
0f2ad63f 2933 break;
20d8a3ed 2934 }
3023f332 2935 dcl = dcl->next;
20d8a3ed 2936 }
3023f332 2937
993fbfdb 2938 if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
9043b62d
BS		 2939 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
2940 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
2941 }
2942
b473df6e 2943 text_consoles_set_display(ds);
2796dae0 2944
59030a8c
AL		 2945 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
2946 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
2947 gdbstub_dev);
2948 exit(1);
45669e00 2949 }
45669e00 2950
3418bd25
GH		 2951 qdev_machine_creation_done();
2952
15ff7705
GH		 2953 if (rom_load_all() != 0) {
2954 fprintf(stderr, "rom loading failed\n");
2955 exit(1);
2956 }
45a50b16 2957
504c2948 2958 qemu_system_reset();
05f2401e 2959 if (loadvm) {
03cd4655 2960 if (load_vmstate(loadvm) < 0) {
05f2401e
JQ		 2961 autostart = 0;
2962 }
2963 }
d63d307f 2964
2bb8c10c 2965 if (incoming) {
8ca5e801
JQ		 2966 int ret = qemu_start_incoming_migration(incoming);
2967 if (ret < 0) {
2968 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
2969 incoming, ret);
2970 exit(ret);
2971 }
6b99dadc 2972 } else if (autostart) {
c0f4ce77 2973 vm_start();
6b99dadc 2974 }
ffd843bc 2975
eb505be1 2976 os_setup_post();
71e3ceb8 2977
8a7ddc38 2978 main_loop();
40c3bac3 2979 quit_timers();
63a01ef8 2980 net_cleanup();
b46a8906 2981
0824d6fc
FB		 2982 return 0;
2983}
Mirror of https://git.qemu.org/git/qemu.git