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virtio-serial: Fix check for 'assert'; prevent NULL derefs
[thirdparty/qemu.git] / vl.c
CommitLineData
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>
0858532e 37#include <pwd.h>
67b915a5 38#include <sys/times.h>
f1510b2c 39#include <sys/wait.h>
67b915a5 40#include <termios.h>
67b915a5 41#include <sys/mman.h>
f1510b2c 42#include <sys/ioctl.h>
24646c7e 43#include <sys/resource.h>
f1510b2c 44#include <sys/socket.h>
c94c8d64 45#include <netinet/in.h>
24646c7e 46#include <net/if.h>
24646c7e 47#include <arpa/inet.h>
9d728e8c 48#include <dirent.h>
7c9d8e07 49#include <netdb.h>
cb4b976b 50#include <sys/select.h>
71e72a19 51#ifdef CONFIG_BSD
7d3505c5 52#include <sys/stat.h>
a167ba50 53#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
7d3505c5 54#include <libutil.h>
92c0e657 55#include <sys/sysctl.h>
24646c7e
BS
56#else
57#include <util.h>
128ab2ff 58#endif
bbe813a2 59#else
223f0d72 60#ifdef __linux__
7d3505c5
FB
61#include <pty.h>
62#include <malloc.h>
1889465a 63#include <sys/prctl.h>
bd494f4c 64
e57a8c0e 65#include <linux/ppdev.h>
5867c88a 66#include <linux/parport.h>
223f0d72
BS
67#endif
68#ifdef __sun__
d5d10bc3
TS
69#include <sys/stat.h>
70#include <sys/ethernet.h>
71#include <sys/sockio.h>
d5d10bc3
TS
72#include <netinet/arp.h>
73#include <netinet/in.h>
74#include <netinet/in_systm.h>
75#include <netinet/ip.h>
76#include <netinet/ip_icmp.h> // must come after ip.h
77#include <netinet/udp.h>
78#include <netinet/tcp.h>
79#include <net/if.h>
80#include <syslog.h>
81#include <stropts.h>
8d32cf0e
BS
82/* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for
83 discussion about Solaris header problems */
84extern int madvise(caddr_t, size_t, int);
67b915a5 85#endif
7d3505c5 86#endif
ec530c81 87#endif
67b915a5 88
9892fbfb
BS
89#if defined(__OpenBSD__)
90#include <util.h>
91#endif
92
8a16d273
TS
93#if defined(CONFIG_VDE)
94#include <libvdeplug.h>
95#endif
96
67b915a5 97#ifdef _WIN32
49dc768d 98#include <windows.h>
67b915a5
FB
99#endif
100
73332e5c 101#ifdef CONFIG_SDL
59a36a2f 102#if defined(__APPLE__) || defined(main)
6693665a 103#include <SDL.h>
880fec5d 104int qemu_main(int argc, char **argv, char **envp);
105int main(int argc, char **argv)
106{
59a36a2f 107 return qemu_main(argc, argv, NULL);
880fec5d 108}
109#undef main
110#define main qemu_main
96bcd4f8 111#endif
73332e5c 112#endif /* CONFIG_SDL */
0824d6fc 113
5b0753e0
FB
114#ifdef CONFIG_COCOA
115#undef main
116#define main qemu_main
117#endif /* CONFIG_COCOA */
118
511d2b14
BS
119#include "hw/hw.h"
120#include "hw/boards.h"
121#include "hw/usb.h"
122#include "hw/pcmcia.h"
123#include "hw/pc.h"
511d2b14
BS
124#include "hw/isa.h"
125#include "hw/baum.h"
126#include "hw/bt.h"
9dd986cc 127#include "hw/watchdog.h"
b6f6e3d3 128#include "hw/smbios.h"
e37630ca 129#include "hw/xen.h"
bd3c948d 130#include "hw/qdev.h"
45a50b16 131#include "hw/loader.h"
5ef4efa4 132#include "bt-host.h"
511d2b14 133#include "net.h"
68ac40d2 134#include "net/slirp.h"
511d2b14
BS
135#include "monitor.h"
136#include "console.h"
137#include "sysemu.h"
138#include "gdbstub.h"
139#include "qemu-timer.h"
140#include "qemu-char.h"
141#include "cache-utils.h"
142#include "block.h"
c163b5ca
LS
143#include "block_int.h"
144#include "block-migration.h"
a718acec 145#include "dma.h"
511d2b14
BS
146#include "audio/audio.h"
147#include "migration.h"
148#include "kvm.h"
d3f24367 149#include "qemu-option.h"
7282a033 150#include "qemu-config.h"
e78c48ec 151#include "qemu-objects.h"
511d2b14 152
0824d6fc 153#include "disas.h"
fc01f7e7 154
511d2b14
BS
155#include "qemu_socket.h"
156
d918f23e 157#include "slirp/libslirp.h"
511d2b14 158
72cf2d4f 159#include "qemu-queue.h"
296af7c9 160#include "cpus.h"
ad96090a 161#include "arch_init.h"
72cf2d4f 162
9dc63a1e
BS
163//#define DEBUG_NET
164//#define DEBUG_SLIRP
330d0414 165
1bfe856e 166#define DEFAULT_RAM_SIZE 128
313aa567 167
98b19252
AS
168#define MAX_VIRTIO_CONSOLES 1
169
5cea8590 170static const char *data_dir;
1192dad8 171const char *bios_name = NULL;
e4bcb14c 172/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
faea38e7 173 to store the VM snapshots */
72cf2d4f
BS
174struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives);
175struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts);
cb5a7aa8 176enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
993fbfdb 177DisplayType display_type = DT_DEFAULT;
3d11d0eb 178const char* keyboard_layout = NULL;
c227f099 179ram_addr_t ram_size;
c902760f
MT
180const char *mem_path = NULL;
181#ifdef MAP_POPULATE
182int mem_prealloc = 0; /* force preallocation of physical target memory */
183#endif
c4b1fcc0 184int nb_nics;
7c9d8e07 185NICInfo nd_table[MAX_NICS];
8a7ddc38 186int vm_running;
d399f677 187int autostart;
f6503059
AZ
188static int rtc_utc = 1;
189static int rtc_date_offset = -1; /* -1 means no change */
6875204c 190QEMUClock *rtc_clock;
64465297 191int vga_interface_type = VGA_NONE;
dbed7e40 192static int full_screen = 0;
634a21f6 193#ifdef CONFIG_SDL
dbed7e40 194static int no_frame = 0;
634a21f6 195#endif
667accab 196int no_quit = 0;
8d11df9e 197CharDriverState *serial_hds[MAX_SERIAL_PORTS];
6508fe59 198CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
9ede2fde 199CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
a09db21f 200int win2k_install_hack = 0;
73822ec8 201int rtc_td_hack = 0;
bb36d470 202int usb_enabled = 0;
1b530a6d 203int singlestep = 0;
6a00d601 204int smp_cpus = 1;
6be68d7e 205int max_cpus = 0;
dc6b1c09
AP
206int smp_cores = 1;
207int smp_threads = 1;
73fc9742 208const char *vnc_display;
6515b203 209int acpi_enabled = 1;
16b29ae1 210int no_hpet = 0;
52ca8d6a 211int fd_bootchk = 1;
d1beab82 212int no_reboot = 0;
b2f76161 213int no_shutdown = 0;
9467cd46 214int cursor_hide = 1;
a171fe39 215int graphic_rotate = 0;
6b35e7bf 216uint8_t irq0override = 1;
b9e82a59 217#ifndef _WIN32
71e3ceb8 218int daemonize = 0;
b9e82a59 219#endif
09aaa160 220const char *watchdog;
9ae02555
TS
221const char *option_rom[MAX_OPTION_ROMS];
222int nb_option_roms;
8e71621f 223int semihosting_enabled = 0;
2b8f2d41 224int old_param = 0;
c35734b2 225const char *qemu_name;
3780e197 226int alt_grab = 0;
0ca9f8a4 227int ctrl_grab = 0;
66508601
BS
228unsigned int nb_prom_envs = 0;
229const char *prom_envs[MAX_PROM_ENVS];
95387491 230int boot_menu;
0824d6fc 231
268a362c
AL
232int nb_numa_nodes;
233uint64_t node_mem[MAX_NODES];
234uint64_t node_cpumask[MAX_NODES];
235
9043b62d 236static QEMUTimer *nographic_timer;
ee5605e5 237
8fcb1b90
BS
238uint8_t qemu_uuid[16];
239
76e30d0f
JK
240static QEMUBootSetHandler *boot_set_handler;
241static void *boot_set_opaque;
242
d745bef8
BS
243int kvm_allowed = 0;
244uint32_t xen_domid;
245enum xen_mode xen_mode = XEN_EMULATE;
246
998bbd74 247static int default_serial = 1;
6a5e8b0e 248static int default_parallel = 1;
986c5f78 249static int default_virtcon = 1;
abdeed06 250static int default_monitor = 1;
64465297 251static int default_vga = 1;
ac33f8fa
GH
252static int default_floppy = 1;
253static int default_cdrom = 1;
254static int default_sdcard = 1;
998bbd74
GH
255
256static struct {
257 const char *driver;
258 int *flag;
259} default_list[] = {
6a5e8b0e
GH
260 { .driver = "isa-serial", .flag = &default_serial },
261 { .driver = "isa-parallel", .flag = &default_parallel },
d8bcbabf
GH
262 { .driver = "isa-fdc", .flag = &default_floppy },
263 { .driver = "ide-drive", .flag = &default_cdrom },
392ecf54
AS
264 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
265 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
266 { .driver = "virtio-serial", .flag = &default_virtcon },
64465297 267 { .driver = "VGA", .flag = &default_vga },
69fd02ee
GH
268 { .driver = "cirrus-vga", .flag = &default_vga },
269 { .driver = "vmware-svga", .flag = &default_vga },
998bbd74
GH
270};
271
272static int default_driver_check(QemuOpts *opts, void *opaque)
273{
274 const char *driver = qemu_opt_get(opts, "driver");
275 int i;
276
277 if (!driver)
278 return 0;
279 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
280 if (strcmp(default_list[i].driver, driver) != 0)
281 continue;
282 *(default_list[i].flag) = 0;
283 }
284 return 0;
285}
286
0824d6fc 287/***********************************************************/
0824d6fc 288
1889465a
AK
289static void set_proc_name(const char *s)
290{
6ca8d0fd 291#if defined(__linux__) && defined(PR_SET_NAME)
1889465a
AK
292 char name[16];
293 if (!s)
294 return;
295 name[sizeof(name) - 1] = 0;
296 strncpy(name, s, sizeof(name));
297 /* Could rewrite argv[0] too, but that's a bit more complicated.
298 This simple way is enough for `top'. */
299 prctl(PR_SET_NAME, name);
300#endif
301}
df751fa8 302
8f0056b7
PB
303/***********************************************************/
304/* real time host monotonic timer */
09b26c5e 305
1dce7c3c
FB
306/* compute with 96 bit intermediate result: (a*b)/c */
307uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
0824d6fc 308{
1dce7c3c
FB
309 union {
310 uint64_t ll;
311 struct {
e2542fe2 312#ifdef HOST_WORDS_BIGENDIAN
1dce7c3c
FB
313 uint32_t high, low;
314#else
315 uint32_t low, high;
3b46e624 316#endif
1dce7c3c
FB
317 } l;
318 } u, res;
319 uint64_t rl, rh;
0824d6fc 320
1dce7c3c
FB
321 u.ll = a;
322 rl = (uint64_t)u.l.low * (uint64_t)b;
323 rh = (uint64_t)u.l.high * (uint64_t)b;
324 rh += (rl >> 32);
325 res.l.high = rh / c;
326 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
327 return res.ll;
34865134
FB
328}
329
f6503059
AZ
330/***********************************************************/
331/* host time/date access */
332void qemu_get_timedate(struct tm *tm, int offset)
333{
334 time_t ti;
335 struct tm *ret;
336
337 time(&ti);
338 ti += offset;
339 if (rtc_date_offset == -1) {
340 if (rtc_utc)
341 ret = gmtime(&ti);
342 else
343 ret = localtime(&ti);
344 } else {
345 ti -= rtc_date_offset;
346 ret = gmtime(&ti);
347 }
348
349 memcpy(tm, ret, sizeof(struct tm));
350}
351
352int qemu_timedate_diff(struct tm *tm)
353{
354 time_t seconds;
355
356 if (rtc_date_offset == -1)
357 if (rtc_utc)
358 seconds = mktimegm(tm);
359 else
360 seconds = mktime(tm);
361 else
362 seconds = mktimegm(tm) + rtc_date_offset;
363
364 return seconds - time(NULL);
365}
366
80cd3478
LC
367void rtc_change_mon_event(struct tm *tm)
368{
369 QObject *data;
370
371 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
372 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
373 qobject_decref(data);
374}
375
1ed2fc1f
JK
376static void configure_rtc_date_offset(const char *startdate, int legacy)
377{
378 time_t rtc_start_date;
379 struct tm tm;
380
381 if (!strcmp(startdate, "now") && legacy) {
382 rtc_date_offset = -1;
383 } else {
384 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
385 &tm.tm_year,
386 &tm.tm_mon,
387 &tm.tm_mday,
388 &tm.tm_hour,
389 &tm.tm_min,
390 &tm.tm_sec) == 6) {
391 /* OK */
392 } else if (sscanf(startdate, "%d-%d-%d",
393 &tm.tm_year,
394 &tm.tm_mon,
395 &tm.tm_mday) == 3) {
396 tm.tm_hour = 0;
397 tm.tm_min = 0;
398 tm.tm_sec = 0;
399 } else {
400 goto date_fail;
401 }
402 tm.tm_year -= 1900;
403 tm.tm_mon--;
404 rtc_start_date = mktimegm(&tm);
405 if (rtc_start_date == -1) {
406 date_fail:
407 fprintf(stderr, "Invalid date format. Valid formats are:\n"
408 "'2006-06-17T16:01:21' or '2006-06-17'\n");
409 exit(1);
410 }
411 rtc_date_offset = time(NULL) - rtc_start_date;
412 }
413}
414
415static void configure_rtc(QemuOpts *opts)
416{
417 const char *value;
418
419 value = qemu_opt_get(opts, "base");
420 if (value) {
421 if (!strcmp(value, "utc")) {
422 rtc_utc = 1;
423 } else if (!strcmp(value, "localtime")) {
424 rtc_utc = 0;
425 } else {
426 configure_rtc_date_offset(value, 0);
427 }
428 }
6875204c
JK
429 value = qemu_opt_get(opts, "clock");
430 if (value) {
431 if (!strcmp(value, "host")) {
432 rtc_clock = host_clock;
433 } else if (!strcmp(value, "vm")) {
434 rtc_clock = vm_clock;
435 } else {
436 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
437 exit(1);
438 }
439 }
1ed2fc1f
JK
440 value = qemu_opt_get(opts, "driftfix");
441 if (value) {
7e4c0336 442 if (!strcmp(value, "slew")) {
1ed2fc1f 443 rtc_td_hack = 1;
7e4c0336 444 } else if (!strcmp(value, "none")) {
1ed2fc1f
JK
445 rtc_td_hack = 0;
446 } else {
447 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
448 exit(1);
449 }
450 }
1ed2fc1f
JK
451}
452
1ae26a18
AZ
453/***********************************************************/
454/* Bluetooth support */
455static int nb_hcis;
456static int cur_hci;
457static struct HCIInfo *hci_table[MAX_NICS];
dc72ac14 458
1ae26a18
AZ
459static struct bt_vlan_s {
460 struct bt_scatternet_s net;
461 int id;
462 struct bt_vlan_s *next;
463} *first_bt_vlan;
464
465/* find or alloc a new bluetooth "VLAN" */
674bb261 466static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
1ae26a18
AZ
467{
468 struct bt_vlan_s **pvlan, *vlan;
469 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
470 if (vlan->id == id)
471 return &vlan->net;
472 }
473 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
474 vlan->id = id;
475 pvlan = &first_bt_vlan;
476 while (*pvlan != NULL)
477 pvlan = &(*pvlan)->next;
478 *pvlan = vlan;
479 return &vlan->net;
480}
481
482static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
483{
484}
485
486static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
487{
488 return -ENOTSUP;
489}
490
491static struct HCIInfo null_hci = {
492 .cmd_send = null_hci_send,
493 .sco_send = null_hci_send,
494 .acl_send = null_hci_send,
495 .bdaddr_set = null_hci_addr_set,
496};
497
498struct HCIInfo *qemu_next_hci(void)
499{
500 if (cur_hci == nb_hcis)
501 return &null_hci;
502
503 return hci_table[cur_hci++];
504}
505
dc72ac14
AZ
506static struct HCIInfo *hci_init(const char *str)
507{
508 char *endp;
509 struct bt_scatternet_s *vlan = 0;
510
511 if (!strcmp(str, "null"))
512 /* null */
513 return &null_hci;
514 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
515 /* host[:hciN] */
516 return bt_host_hci(str[4] ? str + 5 : "hci0");
517 else if (!strncmp(str, "hci", 3)) {
518 /* hci[,vlan=n] */
519 if (str[3]) {
520 if (!strncmp(str + 3, ",vlan=", 6)) {
521 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
522 if (*endp)
523 vlan = 0;
524 }
525 } else
526 vlan = qemu_find_bt_vlan(0);
527 if (vlan)
528 return bt_new_hci(vlan);
529 }
530
531 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
532
533 return 0;
534}
535
536static int bt_hci_parse(const char *str)
537{
538 struct HCIInfo *hci;
c227f099 539 bdaddr_t bdaddr;
dc72ac14
AZ
540
541 if (nb_hcis >= MAX_NICS) {
542 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
543 return -1;
544 }
545
546 hci = hci_init(str);
547 if (!hci)
548 return -1;
549
550 bdaddr.b[0] = 0x52;
551 bdaddr.b[1] = 0x54;
552 bdaddr.b[2] = 0x00;
553 bdaddr.b[3] = 0x12;
554 bdaddr.b[4] = 0x34;
555 bdaddr.b[5] = 0x56 + nb_hcis;
556 hci->bdaddr_set(hci, bdaddr.b);
557
558 hci_table[nb_hcis++] = hci;
559
560 return 0;
561}
562
563static void bt_vhci_add(int vlan_id)
564{
565 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
566
567 if (!vlan->slave)
568 fprintf(stderr, "qemu: warning: adding a VHCI to "
569 "an empty scatternet %i\n", vlan_id);
570
571 bt_vhci_init(bt_new_hci(vlan));
572}
573
574static struct bt_device_s *bt_device_add(const char *opt)
575{
576 struct bt_scatternet_s *vlan;
577 int vlan_id = 0;
578 char *endp = strstr(opt, ",vlan=");
579 int len = (endp ? endp - opt : strlen(opt)) + 1;
580 char devname[10];
581
582 pstrcpy(devname, MIN(sizeof(devname), len), opt);
583
584 if (endp) {
585 vlan_id = strtol(endp + 6, &endp, 0);
586 if (*endp) {
587 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
588 return 0;
589 }
590 }
591
592 vlan = qemu_find_bt_vlan(vlan_id);
593
594 if (!vlan->slave)
595 fprintf(stderr, "qemu: warning: adding a slave device to "
596 "an empty scatternet %i\n", vlan_id);
597
598 if (!strcmp(devname, "keyboard"))
599 return bt_keyboard_init(vlan);
600
601 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
602 return 0;
603}
604
605static int bt_parse(const char *opt)
606{
607 const char *endp, *p;
608 int vlan;
609
610 if (strstart(opt, "hci", &endp)) {
611 if (!*endp || *endp == ',') {
612 if (*endp)
613 if (!strstart(endp, ",vlan=", 0))
614 opt = endp + 1;
615
616 return bt_hci_parse(opt);
617 }
618 } else if (strstart(opt, "vhci", &endp)) {
619 if (!*endp || *endp == ',') {
620 if (*endp) {
621 if (strstart(endp, ",vlan=", &p)) {
622 vlan = strtol(p, (char **) &endp, 0);
623 if (*endp) {
624 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
625 return 1;
626 }
627 } else {
628 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
629 return 1;
630 }
631 } else
632 vlan = 0;
633
634 bt_vhci_add(vlan);
635 return 0;
636 }
637 } else if (strstart(opt, "device:", &endp))
638 return !bt_device_add(endp);
639
640 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
641 return 1;
642}
643
1ae26a18
AZ
644/***********************************************************/
645/* QEMU Block devices */
646
609497ab 647#define HD_ALIAS "index=%d,media=disk"
e4bcb14c 648#define CDROM_ALIAS "index=2,media=cdrom"
e4bcb14c 649#define FD_ALIAS "index=%d,if=floppy"
609497ab
AZ
650#define PFLASH_ALIAS "if=pflash"
651#define MTD_ALIAS "if=mtd"
9d413d1d 652#define SD_ALIAS "index=0,if=sd"
e4bcb14c 653
9dfd7c7a 654QemuOpts *drive_add(const char *file, const char *fmt, ...)
e4bcb14c
TS
655{
656 va_list ap;
9dfd7c7a
GH
657 char optstr[1024];
658 QemuOpts *opts;
e4bcb14c 659
e4bcb14c 660 va_start(ap, fmt);
9dfd7c7a 661 vsnprintf(optstr, sizeof(optstr), fmt, ap);
e4bcb14c
TS
662 va_end(ap);
663
8212c64f 664 opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
9dfd7c7a 665 if (!opts) {
9dfd7c7a
GH
666 return NULL;
667 }
668 if (file)
669 qemu_opt_set(opts, "file", file);
670 return opts;
b01b1111
AL
671}
672
751c6a17 673DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit)
e4bcb14c 674{
751c6a17 675 DriveInfo *dinfo;
e4bcb14c
TS
676
677 /* seek interface, bus and unit */
678
72cf2d4f 679 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17
GH
680 if (dinfo->type == type &&
681 dinfo->bus == bus &&
682 dinfo->unit == unit)
683 return dinfo;
684 }
e4bcb14c 685
751c6a17 686 return NULL;
e4bcb14c
TS
687}
688
2e810b36 689DriveInfo *drive_get_by_id(const char *id)
1dae12e6
GH
690{
691 DriveInfo *dinfo;
692
72cf2d4f 693 QTAILQ_FOREACH(dinfo, &drives, next) {
1dae12e6
GH
694 if (strcmp(id, dinfo->id))
695 continue;
696 return dinfo;
697 }
698 return NULL;
699}
700
f60d39bc 701int drive_get_max_bus(BlockInterfaceType type)
e4bcb14c
TS
702{
703 int max_bus;
751c6a17 704 DriveInfo *dinfo;
e4bcb14c
TS
705
706 max_bus = -1;
72cf2d4f 707 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17
GH
708 if(dinfo->type == type &&
709 dinfo->bus > max_bus)
710 max_bus = dinfo->bus;
e4bcb14c
TS
711 }
712 return max_bus;
713}
714
fa879c64
AL
715const char *drive_get_serial(BlockDriverState *bdrv)
716{
751c6a17 717 DriveInfo *dinfo;
fa879c64 718
72cf2d4f 719 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17
GH
720 if (dinfo->bdrv == bdrv)
721 return dinfo->serial;
722 }
fa879c64
AL
723
724 return "\0";
725}
726
f7850099
KW
727BlockInterfaceErrorAction drive_get_on_error(
728 BlockDriverState *bdrv, int is_read)
428c5705 729{
751c6a17 730 DriveInfo *dinfo;
428c5705 731
72cf2d4f 732 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17 733 if (dinfo->bdrv == bdrv)
e9b2e818 734 return is_read ? dinfo->on_read_error : dinfo->on_write_error;
751c6a17 735 }
428c5705 736
e9b2e818 737 return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC;
428c5705
AL
738}
739
a1620fac
AJ
740static void bdrv_format_print(void *opaque, const char *name)
741{
742 fprintf(stderr, " %s", name);
743}
744
56a14938 745void drive_uninit(DriveInfo *dinfo)
b01b1111 746{
56a14938
GH
747 qemu_opts_del(dinfo->opts);
748 bdrv_delete(dinfo->bdrv);
749 QTAILQ_REMOVE(&drives, dinfo, next);
750 qemu_free(dinfo);
b01b1111
AL
751}
752
e9b2e818
KW
753static int parse_block_error_action(const char *buf, int is_read)
754{
755 if (!strcmp(buf, "ignore")) {
756 return BLOCK_ERR_IGNORE;
757 } else if (!is_read && !strcmp(buf, "enospc")) {
758 return BLOCK_ERR_STOP_ENOSPC;
759 } else if (!strcmp(buf, "stop")) {
760 return BLOCK_ERR_STOP_ANY;
761 } else if (!strcmp(buf, "report")) {
762 return BLOCK_ERR_REPORT;
763 } else {
764 fprintf(stderr, "qemu: '%s' invalid %s error action\n",
765 buf, is_read ? "read" : "write");
766 return -1;
767 }
768}
769
9dfd7c7a 770DriveInfo *drive_init(QemuOpts *opts, void *opaque,
751c6a17 771 int *fatal_error)
e4bcb14c 772{
9dfd7c7a
GH
773 const char *buf;
774 const char *file = NULL;
c8522bdf 775 char devname[128];
9dfd7c7a 776 const char *serial;
c8522bdf 777 const char *mediastr = "";
f60d39bc 778 BlockInterfaceType type;
e4bcb14c
TS
779 enum { MEDIA_DISK, MEDIA_CDROM } media;
780 int bus_id, unit_id;
781 int cyls, heads, secs, translation;
1e72d3b7 782 BlockDriver *drv = NULL;
4d73cd3b 783 QEMUMachine *machine = opaque;
e4bcb14c
TS
784 int max_devs;
785 int index;
59f2689d 786 int ro = 0;
763b6084 787 int bdrv_flags = 0;
e9b2e818 788 int on_read_error, on_write_error;
c2cc47a4 789 const char *devaddr;
751c6a17 790 DriveInfo *dinfo;
9dfd7c7a 791 int snapshot = 0;
e4bcb14c 792
9dfd7c7a 793 *fatal_error = 1;
e4bcb14c 794
e4bcb14c 795 translation = BIOS_ATA_TRANSLATION_AUTO;
e4bcb14c 796
4d007814 797 if (machine && machine->use_scsi) {
f60d39bc 798 type = IF_SCSI;
e4bcb14c 799 max_devs = MAX_SCSI_DEVS;
363a37d5 800 pstrcpy(devname, sizeof(devname), "scsi");
e4bcb14c 801 } else {
f60d39bc 802 type = IF_IDE;
e4bcb14c 803 max_devs = MAX_IDE_DEVS;
363a37d5 804 pstrcpy(devname, sizeof(devname), "ide");
e4bcb14c
TS
805 }
806 media = MEDIA_DISK;
807
808 /* extract parameters */
9dfd7c7a
GH
809 bus_id = qemu_opt_get_number(opts, "bus", 0);
810 unit_id = qemu_opt_get_number(opts, "unit", -1);
811 index = qemu_opt_get_number(opts, "index", -1);
e4bcb14c 812
9dfd7c7a
GH
813 cyls = qemu_opt_get_number(opts, "cyls", 0);
814 heads = qemu_opt_get_number(opts, "heads", 0);
815 secs = qemu_opt_get_number(opts, "secs", 0);
e4bcb14c 816
9dfd7c7a 817 snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
59f2689d 818 ro = qemu_opt_get_bool(opts, "readonly", 0);
e4bcb14c 819
9dfd7c7a
GH
820 file = qemu_opt_get(opts, "file");
821 serial = qemu_opt_get(opts, "serial");
822
823 if ((buf = qemu_opt_get(opts, "if")) != NULL) {
ae45d369 824 pstrcpy(devname, sizeof(devname), buf);
e4bcb14c 825 if (!strcmp(buf, "ide")) {
f60d39bc 826 type = IF_IDE;
e4bcb14c
TS
827 max_devs = MAX_IDE_DEVS;
828 } else if (!strcmp(buf, "scsi")) {
f60d39bc 829 type = IF_SCSI;
e4bcb14c
TS
830 max_devs = MAX_SCSI_DEVS;
831 } else if (!strcmp(buf, "floppy")) {
f60d39bc 832 type = IF_FLOPPY;
e4bcb14c
TS
833 max_devs = 0;
834 } else if (!strcmp(buf, "pflash")) {
f60d39bc 835 type = IF_PFLASH;
e4bcb14c
TS
836 max_devs = 0;
837 } else if (!strcmp(buf, "mtd")) {
f60d39bc 838 type = IF_MTD;
e4bcb14c
TS
839 max_devs = 0;
840 } else if (!strcmp(buf, "sd")) {
f60d39bc 841 type = IF_SD;
e4bcb14c 842 max_devs = 0;
6e02c38d
AL
843 } else if (!strcmp(buf, "virtio")) {
844 type = IF_VIRTIO;
845 max_devs = 0;
62d23efa
AL
846 } else if (!strcmp(buf, "xen")) {
847 type = IF_XEN;
848 max_devs = 0;
a8659e90
GH
849 } else if (!strcmp(buf, "none")) {
850 type = IF_NONE;
851 max_devs = 0;
62d23efa 852 } else {
9dfd7c7a 853 fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
751c6a17 854 return NULL;
e4bcb14c
TS
855 }
856 }
857
e4bcb14c 858 if (cyls || heads || secs) {
5afe3f04 859 if (cyls < 1 || (type == IF_IDE && cyls > 16383)) {
9dfd7c7a 860 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
751c6a17 861 return NULL;
e4bcb14c 862 }
5afe3f04 863 if (heads < 1 || (type == IF_IDE && heads > 16)) {
9dfd7c7a 864 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
751c6a17 865 return NULL;
e4bcb14c 866 }
5afe3f04 867 if (secs < 1 || (type == IF_IDE && secs > 63)) {
9dfd7c7a 868 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
751c6a17 869 return NULL;
e4bcb14c
TS
870 }
871 }
872
9dfd7c7a 873 if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
e4bcb14c
TS
874 if (!cyls) {
875 fprintf(stderr,
876 "qemu: '%s' trans must be used with cyls,heads and secs\n",
9dfd7c7a 877 buf);
751c6a17 878 return NULL;
e4bcb14c
TS
879 }
880 if (!strcmp(buf, "none"))
881 translation = BIOS_ATA_TRANSLATION_NONE;
882 else if (!strcmp(buf, "lba"))
883 translation = BIOS_ATA_TRANSLATION_LBA;
884 else if (!strcmp(buf, "auto"))
885 translation = BIOS_ATA_TRANSLATION_AUTO;
886 else {
9dfd7c7a 887 fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
751c6a17 888 return NULL;
e4bcb14c
TS
889 }
890 }
891
9dfd7c7a 892 if ((buf = qemu_opt_get(opts, "media")) != NULL) {
e4bcb14c
TS
893 if (!strcmp(buf, "disk")) {
894 media = MEDIA_DISK;
895 } else if (!strcmp(buf, "cdrom")) {
896 if (cyls || secs || heads) {
897 fprintf(stderr,
9dfd7c7a 898 "qemu: '%s' invalid physical CHS format\n", buf);
751c6a17 899 return NULL;
e4bcb14c
TS
900 }
901 media = MEDIA_CDROM;
902 } else {
9dfd7c7a 903 fprintf(stderr, "qemu: '%s' invalid media\n", buf);
751c6a17 904 return NULL;
e4bcb14c
TS
905 }
906 }
907
9dfd7c7a 908 if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
763b6084
CH
909 if (!strcmp(buf, "off") || !strcmp(buf, "none")) {
910 bdrv_flags |= BDRV_O_NOCACHE;
911 } else if (!strcmp(buf, "writeback")) {
912 bdrv_flags |= BDRV_O_CACHE_WB;
913 } else if (!strcmp(buf, "writethrough")) {
914 /* this is the default */
915 } else {
33f00271 916 fprintf(stderr, "qemu: invalid cache option\n");
751c6a17 917 return NULL;
33f00271
AZ
918 }
919 }
920
5c6c3a6c
CH
921#ifdef CONFIG_LINUX_AIO
922 if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
763b6084
CH
923 if (!strcmp(buf, "native")) {
924 bdrv_flags |= BDRV_O_NATIVE_AIO;
925 } else if (!strcmp(buf, "threads")) {
926 /* this is the default */
927 } else {
5c6c3a6c
CH
928 fprintf(stderr, "qemu: invalid aio option\n");
929 return NULL;
930 }
931 }
932#endif
933
9dfd7c7a 934 if ((buf = qemu_opt_get(opts, "format")) != NULL) {
a1620fac
AJ
935 if (strcmp(buf, "?") == 0) {
936 fprintf(stderr, "qemu: Supported formats:");
937 bdrv_iterate_format(bdrv_format_print, NULL);
938 fprintf(stderr, "\n");
751c6a17 939 return NULL;
a1620fac 940 }
eb852011 941 drv = bdrv_find_whitelisted_format(buf);
1e72d3b7
AJ
942 if (!drv) {
943 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
751c6a17 944 return NULL;
1e72d3b7
AJ
945 }
946 }
947
e9b2e818 948 on_write_error = BLOCK_ERR_STOP_ENOSPC;
9dfd7c7a 949 if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
869a5c6d 950 if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
ea8a5d7f 951 fprintf(stderr, "werror is no supported by this format\n");
751c6a17 952 return NULL;
428c5705 953 }
e9b2e818
KW
954
955 on_write_error = parse_block_error_action(buf, 0);
956 if (on_write_error < 0) {
957 return NULL;
958 }
959 }
960
961 on_read_error = BLOCK_ERR_REPORT;
962 if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
f35d68f0 963 if (type != IF_IDE && type != IF_VIRTIO) {
e9b2e818
KW
964 fprintf(stderr, "rerror is no supported by this format\n");
965 return NULL;
966 }
967
968 on_read_error = parse_block_error_action(buf, 1);
969 if (on_read_error < 0) {
751c6a17 970 return NULL;
428c5705
AL
971 }
972 }
973
9dfd7c7a 974 if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
c2cc47a4 975 if (type != IF_VIRTIO) {
9dfd7c7a 976 fprintf(stderr, "addr is not supported\n");
751c6a17 977 return NULL;
c2cc47a4 978 }
c2cc47a4
MA
979 }
980
e4bcb14c
TS
981 /* compute bus and unit according index */
982
983 if (index != -1) {
984 if (bus_id != 0 || unit_id != -1) {
985 fprintf(stderr,
9dfd7c7a 986 "qemu: index cannot be used with bus and unit\n");
751c6a17 987 return NULL;
e4bcb14c
TS
988 }
989 if (max_devs == 0)
990 {
991 unit_id = index;
992 bus_id = 0;
993 } else {
994 unit_id = index % max_devs;
995 bus_id = index / max_devs;
996 }
997 }
998
999 /* if user doesn't specify a unit_id,
1000 * try to find the first free
1001 */
1002
1003 if (unit_id == -1) {
1004 unit_id = 0;
751c6a17 1005 while (drive_get(type, bus_id, unit_id) != NULL) {
e4bcb14c
TS
1006 unit_id++;
1007 if (max_devs && unit_id >= max_devs) {
1008 unit_id -= max_devs;
1009 bus_id++;
1010 }
1011 }
1012 }
1013
1014 /* check unit id */
1015
1016 if (max_devs && unit_id >= max_devs) {
9dfd7c7a
GH
1017 fprintf(stderr, "qemu: unit %d too big (max is %d)\n",
1018 unit_id, max_devs - 1);
751c6a17 1019 return NULL;
e4bcb14c
TS
1020 }
1021
1022 /*
1023 * ignore multiple definitions
1024 */
1025
751c6a17
GH
1026 if (drive_get(type, bus_id, unit_id) != NULL) {
1027 *fatal_error = 0;
1028 return NULL;
1029 }
e4bcb14c
TS
1030
1031 /* init */
1032
751c6a17 1033 dinfo = qemu_mallocz(sizeof(*dinfo));
e23d9c4d 1034 if ((buf = qemu_opts_id(opts)) != NULL) {
9dfd7c7a
GH
1035 dinfo->id = qemu_strdup(buf);
1036 } else {
1dae12e6 1037 /* no id supplied -> create one */
9dfd7c7a 1038 dinfo->id = qemu_mallocz(32);
1dae12e6
GH
1039 if (type == IF_IDE || type == IF_SCSI)
1040 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
1041 if (max_devs)
9dfd7c7a 1042 snprintf(dinfo->id, 32, "%s%i%s%i",
1dae12e6
GH
1043 devname, bus_id, mediastr, unit_id);
1044 else
9dfd7c7a 1045 snprintf(dinfo->id, 32, "%s%s%i",
1dae12e6
GH
1046 devname, mediastr, unit_id);
1047 }
1dae12e6 1048 dinfo->bdrv = bdrv_new(dinfo->id);
751c6a17
GH
1049 dinfo->devaddr = devaddr;
1050 dinfo->type = type;
1051 dinfo->bus = bus_id;
1052 dinfo->unit = unit_id;
e9b2e818
KW
1053 dinfo->on_read_error = on_read_error;
1054 dinfo->on_write_error = on_write_error;
9dfd7c7a
GH
1055 dinfo->opts = opts;
1056 if (serial)
1057 strncpy(dinfo->serial, serial, sizeof(serial));
72cf2d4f 1058 QTAILQ_INSERT_TAIL(&drives, dinfo, next);
e4bcb14c 1059
f60d39bc 1060 switch(type) {
e4bcb14c
TS
1061 case IF_IDE:
1062 case IF_SCSI:
62d23efa 1063 case IF_XEN:
c219331e 1064 case IF_NONE:
e4bcb14c
TS
1065 switch(media) {
1066 case MEDIA_DISK:
1067 if (cyls != 0) {
1dae12e6
GH
1068 bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs);
1069 bdrv_set_translation_hint(dinfo->bdrv, translation);
e4bcb14c
TS
1070 }
1071 break;
1072 case MEDIA_CDROM:
1dae12e6 1073 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM);
e4bcb14c
TS
1074 break;
1075 }
1076 break;
1077 case IF_SD:
1078 /* FIXME: This isn't really a floppy, but it's a reasonable
1079 approximation. */
1080 case IF_FLOPPY:
1dae12e6 1081 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY);
e4bcb14c
TS
1082 break;
1083 case IF_PFLASH:
1084 case IF_MTD:
1085 break;
d176c495
GH
1086 case IF_VIRTIO:
1087 /* add virtio block device */
1088 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1089 qemu_opt_set(opts, "driver", "virtio-blk-pci");
1090 qemu_opt_set(opts, "drive", dinfo->id);
1091 if (devaddr)
1092 qemu_opt_set(opts, "addr", devaddr);
1093 break;
aae9460e
PB
1094 case IF_COUNT:
1095 abort();
e4bcb14c 1096 }
9dfd7c7a 1097 if (!file) {
751c6a17
GH
1098 *fatal_error = 0;
1099 return NULL;
1100 }
9f7965c7 1101 if (snapshot) {
763b6084
CH
1102 /* always use write-back with snapshot */
1103 bdrv_flags &= ~BDRV_O_CACHE_MASK;
1104 bdrv_flags |= (BDRV_O_SNAPSHOT|BDRV_O_CACHE_WB);
5c6c3a6c
CH
1105 }
1106
2db7ad59
NS
1107 if (media == MEDIA_CDROM) {
1108 /* CDROM is fine for any interface, don't check. */
1109 ro = 1;
1110 } else if (ro == 1) {
f5edb014
NS
1111 if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY) {
1112 fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
59f2689d
NS
1113 return NULL;
1114 }
b196b153 1115 }
2db7ad59 1116
f5edb014 1117 bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
59f2689d 1118
d6e9098e 1119 if (bdrv_open(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
850810d0
JF
1120 fprintf(stderr, "qemu: could not open disk image %s: %s\n",
1121 file, strerror(errno));
751c6a17 1122 return NULL;
e4bcb14c 1123 }
5c6c3a6c 1124
1dae12e6 1125 if (bdrv_key_required(dinfo->bdrv))
c0f4ce77 1126 autostart = 0;
751c6a17
GH
1127 *fatal_error = 0;
1128 return dinfo;
e4bcb14c
TS
1129}
1130
9dfd7c7a
GH
1131static int drive_init_func(QemuOpts *opts, void *opaque)
1132{
1133 QEMUMachine *machine = opaque;
1134 int fatal_error = 0;
1135
1136 if (drive_init(opts, machine, &fatal_error) == NULL) {
1137 if (fatal_error)
1138 return 1;
1139 }
1140 return 0;
1141}
1142
1143static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1144{
1145 if (NULL == qemu_opt_get(opts, "snapshot")) {
1146 qemu_opt_set(opts, "snapshot", "on");
1147 }
1148 return 0;
1149}
1150
76e30d0f
JK
1151void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1152{
1153 boot_set_handler = func;
1154 boot_set_opaque = opaque;
1155}
1156
1157int qemu_boot_set(const char *boot_devices)
1158{
1159 if (!boot_set_handler) {
1160 return -EINVAL;
1161 }
1162 return boot_set_handler(boot_set_opaque, boot_devices);
1163}
1164
4e9e9d6e 1165static void validate_bootdevices(char *devices)
ef3adf68
JK
1166{
1167 /* We just do some generic consistency checks */
1168 const char *p;
1169 int bitmap = 0;
1170
1171 for (p = devices; *p != '\0'; p++) {
1172 /* Allowed boot devices are:
1173 * a-b: floppy disk drives
1174 * c-f: IDE disk drives
1175 * g-m: machine implementation dependant drives
1176 * n-p: network devices
1177 * It's up to each machine implementation to check if the given boot
1178 * devices match the actual hardware implementation and firmware
1179 * features.
1180 */
1181 if (*p < 'a' || *p > 'p') {
1182 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1183 exit(1);
1184 }
1185 if (bitmap & (1 << (*p - 'a'))) {
1186 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1187 exit(1);
1188 }
1189 bitmap |= 1 << (*p - 'a');
1190 }
ef3adf68
JK
1191}
1192
e0f084bf
JK
1193static void restore_boot_devices(void *opaque)
1194{
1195 char *standard_boot_devices = opaque;
37905d6a
AW
1196 static int first = 1;
1197
1198 /* Restore boot order and remove ourselves after the first boot */
1199 if (first) {
1200 first = 0;
1201 return;
1202 }
e0f084bf
JK
1203
1204 qemu_boot_set(standard_boot_devices);
1205
1206 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1207 qemu_free(standard_boot_devices);
1208}
1209
268a362c
AL
1210static void numa_add(const char *optarg)
1211{
1212 char option[128];
1213 char *endptr;
1214 unsigned long long value, endvalue;
1215 int nodenr;
1216
1217 optarg = get_opt_name(option, 128, optarg, ',') + 1;
1218 if (!strcmp(option, "node")) {
1219 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1220 nodenr = nb_numa_nodes;
1221 } else {
1222 nodenr = strtoull(option, NULL, 10);
1223 }
1224
1225 if (get_param_value(option, 128, "mem", optarg) == 0) {
1226 node_mem[nodenr] = 0;
1227 } else {
1228 value = strtoull(option, &endptr, 0);
1229 switch (*endptr) {
1230 case 0: case 'M': case 'm':
1231 value <<= 20;
1232 break;
1233 case 'G': case 'g':
1234 value <<= 30;
1235 break;
1236 }
1237 node_mem[nodenr] = value;
1238 }
1239 if (get_param_value(option, 128, "cpus", optarg) == 0) {
1240 node_cpumask[nodenr] = 0;
1241 } else {
1242 value = strtoull(option, &endptr, 10);
1243 if (value >= 64) {
1244 value = 63;
1245 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
1246 } else {
1247 if (*endptr == '-') {
1248 endvalue = strtoull(endptr+1, &endptr, 10);
1249 if (endvalue >= 63) {
1250 endvalue = 62;
1251 fprintf(stderr,
1252 "only 63 CPUs in NUMA mode supported.\n");
1253 }
0dfbd514 1254 value = (2ULL << endvalue) - (1ULL << value);
268a362c 1255 } else {
0dfbd514 1256 value = 1ULL << value;
268a362c
AL
1257 }
1258 }
1259 node_cpumask[nodenr] = value;
1260 }
1261 nb_numa_nodes++;
1262 }
1263 return;
1264}
1265
dc6b1c09
AP
1266static void smp_parse(const char *optarg)
1267{
1268 int smp, sockets = 0, threads = 0, cores = 0;
1269 char *endptr;
1270 char option[128];
1271
1272 smp = strtoul(optarg, &endptr, 10);
1273 if (endptr != optarg) {
1274 if (*endptr == ',') {
1275 endptr++;
1276 }
1277 }
1278 if (get_param_value(option, 128, "sockets", endptr) != 0)
1279 sockets = strtoull(option, NULL, 10);
1280 if (get_param_value(option, 128, "cores", endptr) != 0)
1281 cores = strtoull(option, NULL, 10);
1282 if (get_param_value(option, 128, "threads", endptr) != 0)
1283 threads = strtoull(option, NULL, 10);
1284 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1285 max_cpus = strtoull(option, NULL, 10);
1286
1287 /* compute missing values, prefer sockets over cores over threads */
1288 if (smp == 0 || sockets == 0) {
1289 sockets = sockets > 0 ? sockets : 1;
1290 cores = cores > 0 ? cores : 1;
1291 threads = threads > 0 ? threads : 1;
1292 if (smp == 0) {
1293 smp = cores * threads * sockets;
dc6b1c09
AP
1294 }
1295 } else {
1296 if (cores == 0) {
1297 threads = threads > 0 ? threads : 1;
1298 cores = smp / (sockets * threads);
1299 } else {
5cdc9b76 1300 if (sockets) {
dc6b1c09
AP
1301 threads = smp / (cores * sockets);
1302 }
1303 }
1304 }
1305 smp_cpus = smp;
1306 smp_cores = cores > 0 ? cores : 1;
1307 smp_threads = threads > 0 ? threads : 1;
1308 if (max_cpus == 0)
1309 max_cpus = smp_cpus;
1310}
1311
a594cfbf
FB
1312/***********************************************************/
1313/* USB devices */
1314
c0f4ce77 1315static int usb_device_add(const char *devname, int is_hotplug)
a594cfbf
FB
1316{
1317 const char *p;
a5d2f727 1318 USBDevice *dev = NULL;
a594cfbf 1319
a5d2f727 1320 if (!usb_enabled)
a594cfbf
FB
1321 return -1;
1322
0958b4cc
GH
1323 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1324 dev = usbdevice_create(devname);
1325 if (dev)
1326 goto done;
1327
a5d2f727 1328 /* the other ones */
a594cfbf
FB
1329 if (strstart(devname, "host:", &p)) {
1330 dev = usb_host_device_open(p);
dc72ac14
AZ
1331 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1332 dev = usb_bt_init(devname[2] ? hci_init(p) :
1333 bt_new_hci(qemu_find_bt_vlan(0)));
a594cfbf
FB
1334 } else {
1335 return -1;
1336 }
0d92ed30
PB
1337 if (!dev)
1338 return -1;
1339
a5d2f727 1340done:
a594cfbf
FB
1341 return 0;
1342}
1343
1f3870ab
AL
1344static int usb_device_del(const char *devname)
1345{
1346 int bus_num, addr;
1347 const char *p;
1348
5d0c5750
AL
1349 if (strstart(devname, "host:", &p))
1350 return usb_host_device_close(p);
1351
a5d2f727 1352 if (!usb_enabled)
1f3870ab
AL
1353 return -1;
1354
1355 p = strchr(devname, '.');
1356 if (!p)
1357 return -1;
1358 bus_num = strtoul(devname, NULL, 0);
1359 addr = strtoul(p + 1, NULL, 0);
1360
a5d2f727 1361 return usb_device_delete_addr(bus_num, addr);
1f3870ab
AL
1362}
1363
bd3c948d
GH
1364static int usb_parse(const char *cmdline)
1365{
59d1c1c2
ST
1366 int r;
1367 r = usb_device_add(cmdline, 0);
1368 if (r < 0) {
1369 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1370 }
1371 return r;
bd3c948d
GH
1372}
1373
d54908a5 1374void do_usb_add(Monitor *mon, const QDict *qdict)
a594cfbf 1375{
59d1c1c2
ST
1376 const char *devname = qdict_get_str(qdict, "devname");
1377 if (usb_device_add(devname, 1) < 0) {
1ecda02b 1378 error_report("could not add USB device '%s'", devname);
59d1c1c2 1379 }
a594cfbf
FB
1380}
1381
d54908a5 1382void do_usb_del(Monitor *mon, const QDict *qdict)
a594cfbf 1383{
59d1c1c2
ST
1384 const char *devname = qdict_get_str(qdict, "devname");
1385 if (usb_device_del(devname) < 0) {
1ecda02b 1386 error_report("could not delete USB device '%s'", devname);
59d1c1c2 1387 }
a594cfbf
FB
1388}
1389
201a51fc
AZ
1390/***********************************************************/
1391/* PCMCIA/Cardbus */
1392
1393static struct pcmcia_socket_entry_s {
bc24a225 1394 PCMCIASocket *socket;
201a51fc
AZ
1395 struct pcmcia_socket_entry_s *next;
1396} *pcmcia_sockets = 0;
1397
bc24a225 1398void pcmcia_socket_register(PCMCIASocket *socket)
201a51fc
AZ
1399{
1400 struct pcmcia_socket_entry_s *entry;
1401
1402 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1403 entry->socket = socket;
1404 entry->next = pcmcia_sockets;
1405 pcmcia_sockets = entry;
1406}
1407
bc24a225 1408void pcmcia_socket_unregister(PCMCIASocket *socket)
201a51fc
AZ
1409{
1410 struct pcmcia_socket_entry_s *entry, **ptr;
1411
1412 ptr = &pcmcia_sockets;
1413 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1414 if (entry->socket == socket) {
1415 *ptr = entry->next;
1416 qemu_free(entry);
1417 }
1418}
1419
376253ec 1420void pcmcia_info(Monitor *mon)
201a51fc
AZ
1421{
1422 struct pcmcia_socket_entry_s *iter;
376253ec 1423
201a51fc 1424 if (!pcmcia_sockets)
376253ec 1425 monitor_printf(mon, "No PCMCIA sockets\n");
201a51fc
AZ
1426
1427 for (iter = pcmcia_sockets; iter; iter = iter->next)
376253ec
AL
1428 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1429 iter->socket->attached ? iter->socket->card_string :
1430 "Empty");
201a51fc
AZ
1431}
1432
2ff89790 1433/***********************************************************/
8a7ddc38 1434/* I/O handling */
0824d6fc 1435
c4b1fcc0
FB
1436typedef struct IOHandlerRecord {
1437 int fd;
7b27a769 1438 IOCanReadHandler *fd_read_poll;
7c9d8e07
FB
1439 IOHandler *fd_read;
1440 IOHandler *fd_write;
cafffd40 1441 int deleted;
c4b1fcc0
FB
1442 void *opaque;
1443 /* temporary data */
1444 struct pollfd *ufd;
31d4ee6c 1445 QLIST_ENTRY(IOHandlerRecord) next;
c4b1fcc0
FB
1446} IOHandlerRecord;
1447
31d4ee6c
JQ
1448static QLIST_HEAD(, IOHandlerRecord) io_handlers =
1449 QLIST_HEAD_INITIALIZER(io_handlers);
1450
c4b1fcc0 1451
7c9d8e07
FB
1452/* XXX: fd_read_poll should be suppressed, but an API change is
1453 necessary in the character devices to suppress fd_can_read(). */
5fafdf24 1454int qemu_set_fd_handler2(int fd,
7b27a769 1455 IOCanReadHandler *fd_read_poll,
5fafdf24
TS
1456 IOHandler *fd_read,
1457 IOHandler *fd_write,
7c9d8e07 1458 void *opaque)
c4b1fcc0 1459{
31d4ee6c 1460 IOHandlerRecord *ioh;
c4b1fcc0 1461
7c9d8e07 1462 if (!fd_read && !fd_write) {
31d4ee6c 1463 QLIST_FOREACH(ioh, &io_handlers, next) {
7c9d8e07 1464 if (ioh->fd == fd) {
cafffd40 1465 ioh->deleted = 1;
7c9d8e07
FB
1466 break;
1467 }
7c9d8e07
FB
1468 }
1469 } else {
31d4ee6c 1470 QLIST_FOREACH(ioh, &io_handlers, next) {
7c9d8e07
FB
1471 if (ioh->fd == fd)
1472 goto found;
1473 }
1474 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
31d4ee6c 1475 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
7c9d8e07
FB
1476 found:
1477 ioh->fd = fd;
1478 ioh->fd_read_poll = fd_read_poll;
1479 ioh->fd_read = fd_read;
1480 ioh->fd_write = fd_write;
1481 ioh->opaque = opaque;
cafffd40 1482 ioh->deleted = 0;
7c9d8e07 1483 }
c4b1fcc0
FB
1484 return 0;
1485}
1486
5fafdf24
TS
1487int qemu_set_fd_handler(int fd,
1488 IOHandler *fd_read,
1489 IOHandler *fd_write,
7c9d8e07 1490 void *opaque)
8a7ddc38 1491{
7c9d8e07 1492 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
8a7ddc38
FB
1493}
1494
56f3a5d0 1495#ifdef _WIN32
f331110f
FB
1496/***********************************************************/
1497/* Polling handling */
1498
1499typedef struct PollingEntry {
1500 PollingFunc *func;
1501 void *opaque;
1502 struct PollingEntry *next;
1503} PollingEntry;
1504
1505static PollingEntry *first_polling_entry;
1506
1507int qemu_add_polling_cb(PollingFunc *func, void *opaque)
1508{
1509 PollingEntry **ppe, *pe;
1510 pe = qemu_mallocz(sizeof(PollingEntry));
f331110f
FB
1511 pe->func = func;
1512 pe->opaque = opaque;
1513 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
1514 *ppe = pe;
1515 return 0;
1516}
1517
1518void qemu_del_polling_cb(PollingFunc *func, void *opaque)
1519{
1520 PollingEntry **ppe, *pe;
1521 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
1522 pe = *ppe;
1523 if (pe->func == func && pe->opaque == opaque) {
1524 *ppe = pe->next;
1525 qemu_free(pe);
1526 break;
1527 }
1528 }
1529}
1530
a18e524a
FB
1531/***********************************************************/
1532/* Wait objects support */
1533typedef struct WaitObjects {
1534 int num;
1535 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
1536 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
1537 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
1538} WaitObjects;
1539
1540static WaitObjects wait_objects = {0};
3b46e624 1541
a18e524a
FB
1542int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
1543{
1544 WaitObjects *w = &wait_objects;
1545
1546 if (w->num >= MAXIMUM_WAIT_OBJECTS)
1547 return -1;
1548 w->events[w->num] = handle;
1549 w->func[w->num] = func;
1550 w->opaque[w->num] = opaque;
1551 w->num++;
1552 return 0;
1553}
1554
1555void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
1556{
1557 int i, found;
1558 WaitObjects *w = &wait_objects;
1559
1560 found = 0;
1561 for (i = 0; i < w->num; i++) {
1562 if (w->events[i] == handle)
1563 found = 1;
1564 if (found) {
1565 w->events[i] = w->events[i + 1];
1566 w->func[i] = w->func[i + 1];
1567 w->opaque[i] = w->opaque[i + 1];
3b46e624 1568 }
a18e524a
FB
1569 }
1570 if (found)
1571 w->num--;
1572}
1573#endif
1574
cc1daa40
FB
1575/***********************************************************/
1576/* machine registration */
1577
bdaf78e0 1578static QEMUMachine *first_machine = NULL;
6f338c34 1579QEMUMachine *current_machine = NULL;
cc1daa40
FB
1580
1581int qemu_register_machine(QEMUMachine *m)
1582{
1583 QEMUMachine **pm;
1584 pm = &first_machine;
1585 while (*pm != NULL)
1586 pm = &(*pm)->next;
1587 m->next = NULL;
1588 *pm = m;
1589 return 0;
1590}
1591
9596ebb7 1592static QEMUMachine *find_machine(const char *name)
cc1daa40
FB
1593{
1594 QEMUMachine *m;
1595
1596 for(m = first_machine; m != NULL; m = m->next) {
1597 if (!strcmp(m->name, name))
1598 return m;
3f6599e6
MM
1599 if (m->alias && !strcmp(m->alias, name))
1600 return m;
cc1daa40
FB
1601 }
1602 return NULL;
1603}
1604
0c257437
AL
1605static QEMUMachine *find_default_machine(void)
1606{
1607 QEMUMachine *m;
1608
1609 for(m = first_machine; m != NULL; m = m->next) {
1610 if (m->is_default) {
1611 return m;
1612 }
1613 }
1614 return NULL;
1615}
1616
8a7ddc38
FB
1617/***********************************************************/
1618/* main execution loop */
1619
9596ebb7 1620static void gui_update(void *opaque)
8a7ddc38 1621{
7d957bd8 1622 uint64_t interval = GUI_REFRESH_INTERVAL;
740733bb 1623 DisplayState *ds = opaque;
7d957bd8
AL
1624 DisplayChangeListener *dcl = ds->listeners;
1625
62a2744c 1626 qemu_flush_coalesced_mmio_buffer();
7d957bd8
AL
1627 dpy_refresh(ds);
1628
1629 while (dcl != NULL) {
1630 if (dcl->gui_timer_interval &&
1631 dcl->gui_timer_interval < interval)
1632 interval = dcl->gui_timer_interval;
1633 dcl = dcl->next;
1634 }
1635 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
8a7ddc38
FB
1636}
1637
9043b62d
BS
1638static void nographic_update(void *opaque)
1639{
1640 uint64_t interval = GUI_REFRESH_INTERVAL;
1641
62a2744c 1642 qemu_flush_coalesced_mmio_buffer();
9043b62d
BS
1643 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1644}
1645
0bd48850
FB
1646struct vm_change_state_entry {
1647 VMChangeStateHandler *cb;
1648 void *opaque;
72cf2d4f 1649 QLIST_ENTRY (vm_change_state_entry) entries;
0bd48850
FB
1650};
1651
72cf2d4f 1652static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
0bd48850
FB
1653
1654VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1655 void *opaque)
1656{
1657 VMChangeStateEntry *e;
1658
1659 e = qemu_mallocz(sizeof (*e));
0bd48850
FB
1660
1661 e->cb = cb;
1662 e->opaque = opaque;
72cf2d4f 1663 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
0bd48850
FB
1664 return e;
1665}
1666
1667void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1668{
72cf2d4f 1669 QLIST_REMOVE (e, entries);
0bd48850
FB
1670 qemu_free (e);
1671}
1672
296af7c9 1673void vm_state_notify(int running, int reason)
0bd48850
FB
1674{
1675 VMChangeStateEntry *e;
1676
1677 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
9781e040 1678 e->cb(e->opaque, running, reason);
0bd48850
FB
1679 }
1680}
1681
8a7ddc38
FB
1682void vm_start(void)
1683{
1684 if (!vm_running) {
1685 cpu_enable_ticks();
1686 vm_running = 1;
9781e040 1687 vm_state_notify(1, 0);
d6dc3d42 1688 resume_all_vcpus();
8a7ddc38
FB
1689 }
1690}
1691
bb0c6722
FB
1692/* reset/shutdown handler */
1693
1694typedef struct QEMUResetEntry {
72cf2d4f 1695 QTAILQ_ENTRY(QEMUResetEntry) entry;
bb0c6722
FB
1696 QEMUResetHandler *func;
1697 void *opaque;
bb0c6722
FB
1698} QEMUResetEntry;
1699
72cf2d4f
BS
1700static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1701 QTAILQ_HEAD_INITIALIZER(reset_handlers);
bb0c6722
FB
1702static int reset_requested;
1703static int shutdown_requested;
3475187d 1704static int powerdown_requested;
296af7c9 1705int debug_requested;
7277e027 1706int vmstop_requested;
0e8d2b55 1707static int exit_requested;
bb0c6722 1708
cf7a2fe2
AJ
1709int qemu_shutdown_requested(void)
1710{
1711 int r = shutdown_requested;
1712 shutdown_requested = 0;
1713 return r;
1714}
1715
1716int qemu_reset_requested(void)
1717{
1718 int r = reset_requested;
1719 reset_requested = 0;
1720 return r;
1721}
1722
1723int qemu_powerdown_requested(void)
1724{
1725 int r = powerdown_requested;
1726 powerdown_requested = 0;
1727 return r;
1728}
1729
0e8d2b55
LC
1730int qemu_exit_requested(void)
1731{
1732 /* just return it, we'll exit() anyway */
1733 return exit_requested;
1734}
1735
e568902a
AL
1736static int qemu_debug_requested(void)
1737{
1738 int r = debug_requested;
1739 debug_requested = 0;
1740 return r;
1741}
1742
6e29f5da
AL
1743static int qemu_vmstop_requested(void)
1744{
1745 int r = vmstop_requested;
1746 vmstop_requested = 0;
1747 return r;
1748}
1749
a08d4367 1750void qemu_register_reset(QEMUResetHandler *func, void *opaque)
bb0c6722 1751{
55ddfe8e 1752 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
bb0c6722 1753
bb0c6722
FB
1754 re->func = func;
1755 re->opaque = opaque;
72cf2d4f 1756 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
bb0c6722
FB
1757}
1758
dda9b29f 1759void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
bb0c6722
FB
1760{
1761 QEMUResetEntry *re;
1762
72cf2d4f 1763 QTAILQ_FOREACH(re, &reset_handlers, entry) {
dda9b29f 1764 if (re->func == func && re->opaque == opaque) {
72cf2d4f 1765 QTAILQ_REMOVE(&reset_handlers, re, entry);
dda9b29f
JK
1766 qemu_free(re);
1767 return;
1768 }
1769 }
1770}
1771
1772void qemu_system_reset(void)
1773{
1774 QEMUResetEntry *re, *nre;
1775
1776 /* reset all devices */
72cf2d4f 1777 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
bb0c6722
FB
1778 re->func(re->opaque);
1779 }
81d9b784 1780 monitor_protocol_event(QEVENT_RESET, NULL);
ea375f9a 1781 cpu_synchronize_all_post_reset();
bb0c6722
FB
1782}
1783
1784void qemu_system_reset_request(void)
1785{
d1beab82
FB
1786 if (no_reboot) {
1787 shutdown_requested = 1;
1788 } else {
1789 reset_requested = 1;
1790 }
d9f75a4e 1791 qemu_notify_event();
bb0c6722
FB
1792}
1793
1794void qemu_system_shutdown_request(void)
1795{
1796 shutdown_requested = 1;
d9f75a4e 1797 qemu_notify_event();
bb0c6722
FB
1798}
1799
3475187d
FB
1800void qemu_system_powerdown_request(void)
1801{
1802 powerdown_requested = 1;
d9f75a4e
AL
1803 qemu_notify_event();
1804}
1805
0e8d2b55
LC
1806void qemu_system_exit_request(void)
1807{
1808 exit_requested = 1;
1809 qemu_notify_event();
1810}
1811
877cf882 1812#ifdef _WIN32
69d6451c 1813static void host_main_loop_wait(int *timeout)
56f3a5d0
AL
1814{
1815 int ret, ret2, i;
f331110f
FB
1816 PollingEntry *pe;
1817
c4b1fcc0 1818
f331110f
FB
1819 /* XXX: need to suppress polling by better using win32 events */
1820 ret = 0;
1821 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
1822 ret |= pe->func(pe->opaque);
1823 }
e6b1e558 1824 if (ret == 0) {
a18e524a
FB
1825 int err;
1826 WaitObjects *w = &wait_objects;
3b46e624 1827
56f3a5d0 1828 ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
a18e524a
FB
1829 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
1830 if (w->func[ret - WAIT_OBJECT_0])
1831 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
3b46e624 1832
5fafdf24 1833 /* Check for additional signaled events */
e6b1e558 1834 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
3b46e624 1835
e6b1e558
TS
1836 /* Check if event is signaled */
1837 ret2 = WaitForSingleObject(w->events[i], 0);
1838 if(ret2 == WAIT_OBJECT_0) {
1839 if (w->func[i])
1840 w->func[i](w->opaque[i]);
1841 } else if (ret2 == WAIT_TIMEOUT) {
1842 } else {
1843 err = GetLastError();
1844 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
3b46e624
TS
1845 }
1846 }
a18e524a
FB
1847 } else if (ret == WAIT_TIMEOUT) {
1848 } else {
1849 err = GetLastError();
e6b1e558 1850 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
a18e524a 1851 }
f331110f 1852 }
56f3a5d0
AL
1853
1854 *timeout = 0;
1855}
1856#else
69d6451c 1857static void host_main_loop_wait(int *timeout)
56f3a5d0
AL
1858{
1859}
fd1dff4b 1860#endif
56f3a5d0 1861
d6f4ade2 1862void main_loop_wait(int nonblocking)
56f3a5d0
AL
1863{
1864 IOHandlerRecord *ioh;
1865 fd_set rfds, wfds, xfds;
1866 int ret, nfds;
1867 struct timeval tv;
d6f4ade2 1868 int timeout;
56f3a5d0 1869
d6f4ade2
PB
1870 if (nonblocking)
1871 timeout = 0;
1872 else {
1873 timeout = qemu_calculate_timeout();
1874 qemu_bh_update_timeout(&timeout);
1875 }
56f3a5d0
AL
1876
1877 host_main_loop_wait(&timeout);
1878
fd1dff4b
FB
1879 /* poll any events */
1880 /* XXX: separate device handlers from system ones */
6abfbd79 1881 nfds = -1;
fd1dff4b
FB
1882 FD_ZERO(&rfds);
1883 FD_ZERO(&wfds);
e035649e 1884 FD_ZERO(&xfds);
31d4ee6c 1885 QLIST_FOREACH(ioh, &io_handlers, next) {
cafffd40
TS
1886 if (ioh->deleted)
1887 continue;
fd1dff4b
FB
1888 if (ioh->fd_read &&
1889 (!ioh->fd_read_poll ||
1890 ioh->fd_read_poll(ioh->opaque) != 0)) {
1891 FD_SET(ioh->fd, &rfds);
1892 if (ioh->fd > nfds)
1893 nfds = ioh->fd;
1894 }
1895 if (ioh->fd_write) {
1896 FD_SET(ioh->fd, &wfds);
1897 if (ioh->fd > nfds)
1898 nfds = ioh->fd;
1899 }
1900 }
3b46e624 1901
56f3a5d0
AL
1902 tv.tv_sec = timeout / 1000;
1903 tv.tv_usec = (timeout % 1000) * 1000;
1904
d918f23e
JK
1905 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1906
4870852c 1907 qemu_mutex_unlock_iothread();
e035649e 1908 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
4870852c 1909 qemu_mutex_lock_iothread();
fd1dff4b 1910 if (ret > 0) {
31d4ee6c 1911 IOHandlerRecord *pioh;
cafffd40 1912
31d4ee6c 1913 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
cafffd40 1914 if (ioh->deleted) {
31d4ee6c 1915 QLIST_REMOVE(ioh, next);
cafffd40 1916 qemu_free(ioh);
4bed9837
JQ
1917 continue;
1918 }
1919 if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1920 ioh->fd_read(ioh->opaque);
1921 }
1922 if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1923 ioh->fd_write(ioh->opaque);
31d4ee6c 1924 }
cafffd40 1925 }
fd1dff4b 1926 }
d918f23e
JK
1927
1928 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
b4608c04 1929
b6964827 1930 qemu_run_all_timers();
21d5d12b 1931
423f0742
PB
1932 /* Check bottom-halves last in case any of the earlier events triggered
1933 them. */
1934 qemu_bh_poll();
3b46e624 1935
5905b2e5
FB
1936}
1937
43b96858
AL
1938static int vm_can_run(void)
1939{
1940 if (powerdown_requested)
1941 return 0;
1942 if (reset_requested)
1943 return 0;
1944 if (shutdown_requested)
1945 return 0;
e568902a
AL
1946 if (debug_requested)
1947 return 0;
0e8d2b55
LC
1948 if (exit_requested)
1949 return 0;
43b96858
AL
1950 return 1;
1951}
1952
d9c32310
BS
1953qemu_irq qemu_system_powerdown;
1954
43b96858
AL
1955static void main_loop(void)
1956{
6e29f5da 1957 int r;
e6e35b1e 1958
7277e027 1959 qemu_main_loop_start();
d6dc3d42 1960
6e29f5da 1961 for (;;) {
43b96858 1962 do {
d6f4ade2 1963 bool nonblocking = false;
e6e35b1e
AL
1964#ifdef CONFIG_PROFILER
1965 int64_t ti;
1966#endif
d6dc3d42 1967#ifndef CONFIG_IOTHREAD
d6f4ade2 1968 nonblocking = tcg_cpu_exec();
d6dc3d42 1969#endif
89bfc105 1970#ifdef CONFIG_PROFILER
43b96858 1971 ti = profile_getclock();
89bfc105 1972#endif
d6f4ade2 1973 main_loop_wait(nonblocking);
89bfc105 1974#ifdef CONFIG_PROFILER
43b96858 1975 dev_time += profile_getclock() - ti;
89bfc105 1976#endif
e568902a 1977 } while (vm_can_run());
43b96858 1978
54fc6ea9
BS
1979 if ((r = qemu_debug_requested())) {
1980 vm_stop(r);
b1a15e7e 1981 }
43b96858 1982 if (qemu_shutdown_requested()) {
242cd003 1983 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
43b96858
AL
1984 if (no_shutdown) {
1985 vm_stop(0);
1986 no_shutdown = 0;
1987 } else
1988 break;
1989 }
d6dc3d42
AL
1990 if (qemu_reset_requested()) {
1991 pause_all_vcpus();
43b96858 1992 qemu_system_reset();
d6dc3d42
AL
1993 resume_all_vcpus();
1994 }
d9c32310 1995 if (qemu_powerdown_requested()) {
242cd003 1996 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
d9c32310
BS
1997 qemu_irq_raise(qemu_system_powerdown);
1998 }
b1a15e7e 1999 if ((r = qemu_vmstop_requested())) {
6e29f5da 2000 vm_stop(r);
b1a15e7e 2001 }
0e8d2b55
LC
2002 if (qemu_exit_requested()) {
2003 exit(0);
2004 }
b4608c04 2005 }
d6dc3d42 2006 pause_all_vcpus();
b4608c04
FB
2007}
2008
9bd7e6d9
PB
2009static void version(void)
2010{
f75ca1ae 2011 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
9bd7e6d9
PB
2012}
2013
15f82208 2014static void help(int exitcode)
0824d6fc 2015{
e8105ebb 2016 const char *options_help =
ad96090a
BS
2017#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
2018 opt_help
5824d651
BS
2019#define DEFHEADING(text) stringify(text) "\n"
2020#include "qemu-options.h"
2021#undef DEF
2022#undef DEFHEADING
2023#undef GEN_DOCS
e8105ebb
PB
2024 ;
2025 version();
2026 printf("usage: %s [options] [disk_image]\n"
2027 "\n"
f75ca1ae 2028 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
3f020d70 2029 "\n"
e8105ebb 2030 "%s\n"
3f020d70 2031 "During emulation, the following keys are useful:\n"
2032 "ctrl-alt-f toggle full screen\n"
2033 "ctrl-alt-n switch to virtual console 'n'\n"
2034 "ctrl-alt toggle mouse and keyboard grab\n"
2035 "\n"
e8105ebb
PB
2036 "When using -nographic, press 'ctrl-a h' to get some help.\n",
2037 "qemu",
2038 options_help);
15f82208 2039 exit(exitcode);
0824d6fc
FB
2040}
2041
cd6f1169
FB
2042#define HAS_ARG 0x0001
2043
2044enum {
ad96090a 2045#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
5824d651
BS
2046 opt_enum,
2047#define DEFHEADING(text)
2048#include "qemu-options.h"
2049#undef DEF
2050#undef DEFHEADING
2051#undef GEN_DOCS
cd6f1169
FB
2052};
2053
2054typedef struct QEMUOption {
2055 const char *name;
2056 int flags;
2057 int index;
ad96090a 2058 uint32_t arch_mask;
cd6f1169
FB
2059} QEMUOption;
2060
dbed7e40 2061static const QEMUOption qemu_options[] = {
ad96090a
BS
2062 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2063#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
2064 { option, opt_arg, opt_enum, arch_mask },
5824d651
BS
2065#define DEFHEADING(text)
2066#include "qemu-options.h"
2067#undef DEF
2068#undef DEFHEADING
2069#undef GEN_DOCS
cd6f1169 2070 { NULL },
fc01f7e7 2071};
3893c124 2072static void select_vgahw (const char *p)
2073{
2074 const char *opts;
2075
64465297 2076 default_vga = 0;
86176759 2077 vga_interface_type = VGA_NONE;
3893c124 2078 if (strstart(p, "std", &opts)) {
86176759 2079 vga_interface_type = VGA_STD;
3893c124 2080 } else if (strstart(p, "cirrus", &opts)) {
86176759 2081 vga_interface_type = VGA_CIRRUS;
3893c124 2082 } else if (strstart(p, "vmware", &opts)) {
86176759 2083 vga_interface_type = VGA_VMWARE;
94909d9f 2084 } else if (strstart(p, "xenfb", &opts)) {
86176759 2085 vga_interface_type = VGA_XENFB;
28b85ed8 2086 } else if (!strstart(p, "none", &opts)) {
3893c124 2087 invalid_vga:
2088 fprintf(stderr, "Unknown vga type: %s\n", p);
2089 exit(1);
2090 }
cb5a7aa8 2091 while (*opts) {
2092 const char *nextopt;
2093
2094 if (strstart(opts, ",retrace=", &nextopt)) {
2095 opts = nextopt;
2096 if (strstart(opts, "dumb", &nextopt))
2097 vga_retrace_method = VGA_RETRACE_DUMB;
2098 else if (strstart(opts, "precise", &nextopt))
2099 vga_retrace_method = VGA_RETRACE_PRECISE;
2100 else goto invalid_vga;
2101 } else goto invalid_vga;
2102 opts = nextopt;
2103 }
3893c124 2104}
2105
7d4c3d53
MA
2106static int balloon_parse(const char *arg)
2107{
382f0743 2108 QemuOpts *opts;
7d4c3d53 2109
382f0743
GH
2110 if (strcmp(arg, "none") == 0) {
2111 return 0;
2112 }
2113
2114 if (!strncmp(arg, "virtio", 6)) {
2115 if (arg[6] == ',') {
2116 /* have params -> parse them */
8212c64f 2117 opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
382f0743
GH
2118 if (!opts)
2119 return -1;
2120 } else {
2121 /* create empty opts */
2122 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
7d4c3d53 2123 }
382f0743
GH
2124 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
2125 return 0;
7d4c3d53 2126 }
382f0743
GH
2127
2128 return -1;
7d4c3d53 2129}
7d4c3d53 2130
3587d7e6
FB
2131#ifdef _WIN32
2132static BOOL WINAPI qemu_ctrl_handler(DWORD type)
2133{
2134 exit(STATUS_CONTROL_C_EXIT);
2135 return TRUE;
2136}
2137#endif
2138
5b08fc10
AL
2139#ifndef _WIN32
2140
2141static void termsig_handler(int signal)
2142{
2143 qemu_system_shutdown_request();
2144}
2145
7c3370d4
JK
2146static void sigchld_handler(int signal)
2147{
2148 waitpid(-1, NULL, WNOHANG);
2149}
2150
2151static void sighandler_setup(void)
5b08fc10
AL
2152{
2153 struct sigaction act;
2154
2155 memset(&act, 0, sizeof(act));
2156 act.sa_handler = termsig_handler;
2157 sigaction(SIGINT, &act, NULL);
2158 sigaction(SIGHUP, &act, NULL);
2159 sigaction(SIGTERM, &act, NULL);
7c3370d4
JK
2160
2161 act.sa_handler = sigchld_handler;
2162 act.sa_flags = SA_NOCLDSTOP;
2163 sigaction(SIGCHLD, &act, NULL);
5b08fc10
AL
2164}
2165
2166#endif
2167
5cea8590
PB
2168#ifdef _WIN32
2169/* Look for support files in the same directory as the executable. */
2170static char *find_datadir(const char *argv0)
2171{
2172 char *p;
2173 char buf[MAX_PATH];
2174 DWORD len;
2175
2176 len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
2177 if (len == 0) {
c5947808 2178 return NULL;
5cea8590
PB
2179 }
2180
2181 buf[len] = 0;
2182 p = buf + len - 1;
2183 while (p != buf && *p != '\\')
2184 p--;
2185 *p = 0;
2186 if (access(buf, R_OK) == 0) {
2187 return qemu_strdup(buf);
2188 }
2189 return NULL;
2190}
2191#else /* !_WIN32 */
2192
2193/* Find a likely location for support files using the location of the binary.
2194 For installed binaries this will be "$bindir/../share/qemu". When
2195 running from the build tree this will be "$bindir/../pc-bios". */
2196#define SHARE_SUFFIX "/share/qemu"
2197#define BUILD_SUFFIX "/pc-bios"
2198static char *find_datadir(const char *argv0)
2199{
2200 char *dir;
2201 char *p = NULL;
2202 char *res;
5cea8590 2203 char buf[PATH_MAX];
3a41759d 2204 size_t max_len;
5cea8590
PB
2205
2206#if defined(__linux__)
2207 {
2208 int len;
2209 len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
2210 if (len > 0) {
2211 buf[len] = 0;
2212 p = buf;
2213 }
2214 }
2215#elif defined(__FreeBSD__)
2216 {
92c0e657
JL
2217 static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
2218 size_t len = sizeof(buf) - 1;
2219
2220 *buf = '\0';
2221 if (!sysctl(mib, sizeof(mib)/sizeof(*mib), buf, &len, NULL, 0) &&
2222 *buf) {
2223 buf[sizeof(buf) - 1] = '\0';
5cea8590
PB
2224 p = buf;
2225 }
2226 }
2227#endif
2228 /* If we don't have any way of figuring out the actual executable
2229 location then try argv[0]. */
2230 if (!p) {
4d224196 2231 p = realpath(argv0, buf);
5cea8590
PB
2232 if (!p) {
2233 return NULL;
2234 }
2235 }
2236 dir = dirname(p);
2237 dir = dirname(dir);
2238
3a41759d
BS
2239 max_len = strlen(dir) +
2240 MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
2241 res = qemu_mallocz(max_len);
2242 snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
5cea8590 2243 if (access(res, R_OK)) {
3a41759d 2244 snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
5cea8590
PB
2245 if (access(res, R_OK)) {
2246 qemu_free(res);
2247 res = NULL;
2248 }
2249 }
4d224196 2250
5cea8590
PB
2251 return res;
2252}
2253#undef SHARE_SUFFIX
2254#undef BUILD_SUFFIX
2255#endif
2256
2257char *qemu_find_file(int type, const char *name)
2258{
2259 int len;
2260 const char *subdir;
2261 char *buf;
2262
2263 /* If name contains path separators then try it as a straight path. */
2264 if ((strchr(name, '/') || strchr(name, '\\'))
2265 && access(name, R_OK) == 0) {
73ffc805 2266 return qemu_strdup(name);
5cea8590
PB
2267 }
2268 switch (type) {
2269 case QEMU_FILE_TYPE_BIOS:
2270 subdir = "";
2271 break;
2272 case QEMU_FILE_TYPE_KEYMAP:
2273 subdir = "keymaps/";
2274 break;
2275 default:
2276 abort();
2277 }
2278 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2279 buf = qemu_mallocz(len);
3a41759d 2280 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
5cea8590
PB
2281 if (access(buf, R_OK)) {
2282 qemu_free(buf);
2283 return NULL;
2284 }
2285 return buf;
2286}
2287
ff952ba2
MA
2288static int device_help_func(QemuOpts *opts, void *opaque)
2289{
2290 return qdev_device_help(opts);
2291}
2292
f31d07d1
GH
2293static int device_init_func(QemuOpts *opts, void *opaque)
2294{
2295 DeviceState *dev;
2296
2297 dev = qdev_device_add(opts);
2298 if (!dev)
2299 return -1;
2300 return 0;
2301}
2302
1a688d3b
GH
2303static int chardev_init_func(QemuOpts *opts, void *opaque)
2304{
2305 CharDriverState *chr;
2306
2307 chr = qemu_chr_open_opts(opts, NULL);
2308 if (!chr)
2309 return -1;
2310 return 0;
2311}
2312
88589343
GH
2313static int mon_init_func(QemuOpts *opts, void *opaque)
2314{
2315 CharDriverState *chr;
2316 const char *chardev;
2317 const char *mode;
2318 int flags;
2319
2320 mode = qemu_opt_get(opts, "mode");
2321 if (mode == NULL) {
2322 mode = "readline";
2323 }
2324 if (strcmp(mode, "readline") == 0) {
2325 flags = MONITOR_USE_READLINE;
2326 } else if (strcmp(mode, "control") == 0) {
2327 flags = MONITOR_USE_CONTROL;
2328 } else {
2329 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2330 exit(1);
2331 }
2332
2333 if (qemu_opt_get_bool(opts, "default", 0))
2334 flags |= MONITOR_IS_DEFAULT;
2335
2336 chardev = qemu_opt_get(opts, "chardev");
2337 chr = qemu_chr_find(chardev);
2338 if (chr == NULL) {
2339 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2340 exit(1);
2341 }
2342
2343 monitor_init(chr, flags);
2344 return 0;
2345}
2346
6ca5582d 2347static void monitor_parse(const char *optarg, const char *mode)
88589343
GH
2348{
2349 static int monitor_device_index = 0;
2350 QemuOpts *opts;
2351 const char *p;
2352 char label[32];
2353 int def = 0;
2354
2355 if (strstart(optarg, "chardev:", &p)) {
2356 snprintf(label, sizeof(label), "%s", p);
2357 } else {
140e065d
JK
2358 snprintf(label, sizeof(label), "compat_monitor%d",
2359 monitor_device_index);
2360 if (monitor_device_index == 0) {
88589343
GH
2361 def = 1;
2362 }
2363 opts = qemu_chr_parse_compat(label, optarg);
2364 if (!opts) {
2365 fprintf(stderr, "parse error: %s\n", optarg);
2366 exit(1);
2367 }
2368 }
2369
2370 opts = qemu_opts_create(&qemu_mon_opts, label, 1);
2371 if (!opts) {
2372 fprintf(stderr, "duplicate chardev: %s\n", label);
2373 exit(1);
2374 }
6ca5582d 2375 qemu_opt_set(opts, "mode", mode);
88589343
GH
2376 qemu_opt_set(opts, "chardev", label);
2377 if (def)
2378 qemu_opt_set(opts, "default", "on");
2379 monitor_device_index++;
2380}
2381
bd3c948d
GH
2382struct device_config {
2383 enum {
aee1b935
GH
2384 DEV_USB, /* -usbdevice */
2385 DEV_BT, /* -bt */
2386 DEV_SERIAL, /* -serial */
2387 DEV_PARALLEL, /* -parallel */
2388 DEV_VIRTCON, /* -virtioconsole */
c9f398e5 2389 DEV_DEBUGCON, /* -debugcon */
bd3c948d
GH
2390 } type;
2391 const char *cmdline;
72cf2d4f 2392 QTAILQ_ENTRY(device_config) next;
bd3c948d 2393};
72cf2d4f 2394QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
bd3c948d
GH
2395
2396static void add_device_config(int type, const char *cmdline)
2397{
2398 struct device_config *conf;
2399
2400 conf = qemu_mallocz(sizeof(*conf));
2401 conf->type = type;
2402 conf->cmdline = cmdline;
72cf2d4f 2403 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
bd3c948d
GH
2404}
2405
2406static int foreach_device_config(int type, int (*func)(const char *cmdline))
2407{
2408 struct device_config *conf;
2409 int rc;
2410
72cf2d4f 2411 QTAILQ_FOREACH(conf, &device_configs, next) {
bd3c948d
GH
2412 if (conf->type != type)
2413 continue;
2414 rc = func(conf->cmdline);
2415 if (0 != rc)
2416 return rc;
2417 }
2418 return 0;
2419}
2420
998bbd74
GH
2421static int serial_parse(const char *devname)
2422{
2423 static int index = 0;
2424 char label[32];
2425
2426 if (strcmp(devname, "none") == 0)
2427 return 0;
2428 if (index == MAX_SERIAL_PORTS) {
2429 fprintf(stderr, "qemu: too many serial ports\n");
2430 exit(1);
2431 }
2432 snprintf(label, sizeof(label), "serial%d", index);
2433 serial_hds[index] = qemu_chr_open(label, devname, NULL);
2434 if (!serial_hds[index]) {
2435 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
2436 devname, strerror(errno));
2437 return -1;
2438 }
2439 index++;
2440 return 0;
2441}
2442
6a5e8b0e
GH
2443static int parallel_parse(const char *devname)
2444{
2445 static int index = 0;
2446 char label[32];
2447
2448 if (strcmp(devname, "none") == 0)
2449 return 0;
2450 if (index == MAX_PARALLEL_PORTS) {
2451 fprintf(stderr, "qemu: too many parallel ports\n");
2452 exit(1);
2453 }
2454 snprintf(label, sizeof(label), "parallel%d", index);
2455 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
2456 if (!parallel_hds[index]) {
2457 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2458 devname, strerror(errno));
2459 return -1;
2460 }
2461 index++;
2462 return 0;
2463}
2464
aee1b935
GH
2465static int virtcon_parse(const char *devname)
2466{
2467 static int index = 0;
2468 char label[32];
392ecf54 2469 QemuOpts *bus_opts, *dev_opts;
aee1b935
GH
2470
2471 if (strcmp(devname, "none") == 0)
2472 return 0;
2473 if (index == MAX_VIRTIO_CONSOLES) {
2474 fprintf(stderr, "qemu: too many virtio consoles\n");
2475 exit(1);
2476 }
392ecf54
AS
2477
2478 bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2479 qemu_opt_set(bus_opts, "driver", "virtio-serial");
2480
2481 dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2482 qemu_opt_set(dev_opts, "driver", "virtconsole");
2483
aee1b935
GH
2484 snprintf(label, sizeof(label), "virtcon%d", index);
2485 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
2486 if (!virtcon_hds[index]) {
2487 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2488 devname, strerror(errno));
2489 return -1;
2490 }
392ecf54
AS
2491 qemu_opt_set(dev_opts, "chardev", label);
2492
aee1b935
GH
2493 index++;
2494 return 0;
2495}
2496
c9f398e5
PA
2497static int debugcon_parse(const char *devname)
2498{
2499 QemuOpts *opts;
2500
2501 if (!qemu_chr_open("debugcon", devname, NULL)) {
2502 exit(1);
2503 }
2504 opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1);
2505 if (!opts) {
2506 fprintf(stderr, "qemu: already have a debugcon device\n");
2507 exit(1);
2508 }
2509 qemu_opt_set(opts, "driver", "isa-debugcon");
2510 qemu_opt_set(opts, "chardev", "debugcon");
2511 return 0;
2512}
2513
6530a97b
AL
2514static const QEMUOption *lookup_opt(int argc, char **argv,
2515 const char **poptarg, int *poptind)
2516{
2517 const QEMUOption *popt;
2518 int optind = *poptind;
2519 char *r = argv[optind];
2520 const char *optarg;
2521
0f0bc3f1 2522 loc_set_cmdline(argv, optind, 1);
6530a97b
AL
2523 optind++;
2524 /* Treat --foo the same as -foo. */
2525 if (r[1] == '-')
2526 r++;
2527 popt = qemu_options;
2528 for(;;) {
2529 if (!popt->name) {
0f0bc3f1 2530 error_report("invalid option");
6530a97b
AL
2531 exit(1);
2532 }
2533 if (!strcmp(popt->name, r + 1))
2534 break;
2535 popt++;
2536 }
2537 if (popt->flags & HAS_ARG) {
2538 if (optind >= argc) {
0f0bc3f1 2539 error_report("requires an argument");
6530a97b
AL
2540 exit(1);
2541 }
2542 optarg = argv[optind++];
0f0bc3f1 2543 loc_set_cmdline(argv, optind - 2, 2);
6530a97b
AL
2544 } else {
2545 optarg = NULL;
2546 }
2547
2548 *poptarg = optarg;
2549 *poptind = optind;
2550
2551 return popt;
2552}
2553
902b3d5c 2554int main(int argc, char **argv, char **envp)
0824d6fc 2555{
59030a8c 2556 const char *gdbstub_dev = NULL;
e4bcb14c 2557 int i;
da1fcfda 2558 int snapshot, linux_boot;
4e3de9e9 2559 const char *icount_option = NULL;
7f7f9873 2560 const char *initrd_filename;
a20dd508 2561 const char *kernel_filename, *kernel_cmdline;
195325a4 2562 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
3023f332 2563 DisplayState *ds;
7d957bd8 2564 DisplayChangeListener *dcl;
46d4767d 2565 int cyls, heads, secs, translation;
f31d07d1 2566 QemuOpts *hda_opts = NULL, *opts;
cd6f1169 2567 int optind;
6530a97b 2568 const char *optarg;
d63d307f 2569 const char *loadvm = NULL;
cc1daa40 2570 QEMUMachine *machine;
94fc95cd 2571 const char *cpu_model;
b9e82a59 2572#ifndef _WIN32
71e3ceb8 2573 int fds[2];
b9e82a59 2574#endif
26a5f13b 2575 int tb_size;
93815bc2 2576 const char *pid_file = NULL;
5bb7910a 2577 const char *incoming = NULL;
b9e82a59 2578#ifndef _WIN32
54042bcf
AL
2579 int fd = 0;
2580 struct passwd *pwd = NULL;
0858532e
AL
2581 const char *chroot_dir = NULL;
2582 const char *run_as = NULL;
b9e82a59 2583#endif
993fbfdb 2584 int show_vnc_port = 0;
292444cb 2585 int defconfig = 1;
0bd48850 2586
65abca0a
MA
2587 error_set_progname(argv[0]);
2588
6875204c
JK
2589 init_clocks();
2590
902b3d5c 2591 qemu_cache_utils_init(envp);
2592
72cf2d4f 2593 QLIST_INIT (&vm_change_state_head);
be995c27
FB
2594#ifndef _WIN32
2595 {
2596 struct sigaction act;
2597 sigfillset(&act.sa_mask);
2598 act.sa_flags = 0;
2599 act.sa_handler = SIG_IGN;
2600 sigaction(SIGPIPE, &act, NULL);
2601 }
3587d7e6
FB
2602#else
2603 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
a8e5ac33
FB
2604 /* Note: cpu_interrupt() is currently not SMP safe, so we force
2605 QEMU to run on a single CPU */
2606 {
2607 HANDLE h;
2608 DWORD mask, smask;
2609 int i;
2610 h = GetCurrentProcess();
2611 if (GetProcessAffinityMask(h, &mask, &smask)) {
2612 for(i = 0; i < 32; i++) {
2613 if (mask & (1 << i))
2614 break;
2615 }
2616 if (i != 32) {
2617 mask = 1 << i;
2618 SetProcessAffinityMask(h, mask);
2619 }
2620 }
2621 }
67b915a5 2622#endif
be995c27 2623
f80f9ec9 2624 module_call_init(MODULE_INIT_MACHINE);
0c257437 2625 machine = find_default_machine();
94fc95cd 2626 cpu_model = NULL;
fc01f7e7 2627 initrd_filename = NULL;
4fc5d071 2628 ram_size = 0;
33e3963e 2629 snapshot = 0;
a20dd508
FB
2630 kernel_filename = NULL;
2631 kernel_cmdline = "";
c4b1fcc0 2632 cyls = heads = secs = 0;
46d4767d 2633 translation = BIOS_ATA_TRANSLATION_AUTO;
c4b1fcc0 2634
268a362c
AL
2635 for (i = 0; i < MAX_NODES; i++) {
2636 node_mem[i] = 0;
2637 node_cpumask[i] = 0;
2638 }
2639
268a362c 2640 nb_numa_nodes = 0;
7c9d8e07 2641 nb_nics = 0;
3b46e624 2642
26a5f13b 2643 tb_size = 0;
41bd639b
BS
2644 autostart= 1;
2645
292444cb
AL
2646 /* first pass of option parsing */
2647 optind = 1;
2648 while (optind < argc) {
2649 if (argv[optind][0] != '-') {
2650 /* disk image */
28e68d68 2651 optind++;
292444cb
AL
2652 continue;
2653 } else {
2654 const QEMUOption *popt;
2655
2656 popt = lookup_opt(argc, argv, &optarg, &optind);
2657 switch (popt->index) {
2658 case QEMU_OPTION_nodefconfig:
2659 defconfig=0;
2660 break;
2661 }
2662 }
2663 }
2664
2665 if (defconfig) {
dcfb0939 2666 int ret;
cf5a65aa 2667
dcfb0939
KW
2668 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2669 if (ret == -EINVAL) {
2670 exit(1);
292444cb
AL
2671 }
2672
dcfb0939
KW
2673 ret = qemu_read_config_file(arch_config_name);
2674 if (ret == -EINVAL) {
2675 exit(1);
292444cb
AL
2676 }
2677 }
de06f8d1 2678 cpudef_init();
292444cb
AL
2679
2680 /* second pass of option parsing */
cd6f1169 2681 optind = 1;
0824d6fc 2682 for(;;) {
cd6f1169 2683 if (optind >= argc)
0824d6fc 2684 break;
6530a97b 2685 if (argv[optind][0] != '-') {
9dfd7c7a 2686 hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
cd6f1169
FB
2687 } else {
2688 const QEMUOption *popt;
2689
6530a97b 2690 popt = lookup_opt(argc, argv, &optarg, &optind);
ad96090a
BS
2691 if (!(popt->arch_mask & arch_type)) {
2692 printf("Option %s not supported for this target\n", popt->name);
2693 exit(1);
2694 }
cd6f1169 2695 switch(popt->index) {
cc1daa40
FB
2696 case QEMU_OPTION_M:
2697 machine = find_machine(optarg);
2698 if (!machine) {
2699 QEMUMachine *m;
2700 printf("Supported machines are:\n");
2701 for(m = first_machine; m != NULL; m = m->next) {
3f6599e6
MM
2702 if (m->alias)
2703 printf("%-10s %s (alias of %s)\n",
2704 m->alias, m->desc, m->name);
cc1daa40 2705 printf("%-10s %s%s\n",
5fafdf24 2706 m->name, m->desc,
0c257437 2707 m->is_default ? " (default)" : "");
cc1daa40 2708 }
15f82208 2709 exit(*optarg != '?');
cc1daa40
FB
2710 }
2711 break;
94fc95cd
JM
2712 case QEMU_OPTION_cpu:
2713 /* hw initialization will check this */
15f82208 2714 if (*optarg == '?') {
c732abe2 2715/* XXX: implement xxx_cpu_list for targets that still miss it */
b5ec5ce0 2716#if defined(cpu_list_id)
2717 cpu_list_id(stdout, &fprintf, optarg);
2718#elif defined(cpu_list)
2719 cpu_list(stdout, &fprintf); /* deprecated */
94fc95cd 2720#endif
15f82208 2721 exit(0);
94fc95cd
JM
2722 } else {
2723 cpu_model = optarg;
2724 }
2725 break;
cd6f1169 2726 case QEMU_OPTION_initrd:
fc01f7e7
FB
2727 initrd_filename = optarg;
2728 break;
cd6f1169 2729 case QEMU_OPTION_hda:
e4bcb14c 2730 if (cyls == 0)
9dfd7c7a 2731 hda_opts = drive_add(optarg, HD_ALIAS, 0);
e4bcb14c 2732 else
9dfd7c7a 2733 hda_opts = drive_add(optarg, HD_ALIAS
e4bcb14c 2734 ",cyls=%d,heads=%d,secs=%d%s",
609497ab 2735 0, cyls, heads, secs,
e4bcb14c
TS
2736 translation == BIOS_ATA_TRANSLATION_LBA ?
2737 ",trans=lba" :
2738 translation == BIOS_ATA_TRANSLATION_NONE ?
2739 ",trans=none" : "");
2740 break;
cd6f1169 2741 case QEMU_OPTION_hdb:
cc1daa40
FB
2742 case QEMU_OPTION_hdc:
2743 case QEMU_OPTION_hdd:
609497ab 2744 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
fc01f7e7 2745 break;
e4bcb14c 2746 case QEMU_OPTION_drive:
609497ab 2747 drive_add(NULL, "%s", optarg);
e4bcb14c 2748 break;
d058fe03
GH
2749 case QEMU_OPTION_set:
2750 if (qemu_set_option(optarg) != 0)
2751 exit(1);
2752 break;
d0fef6fb
GH
2753 case QEMU_OPTION_global:
2754 if (qemu_global_option(optarg) != 0)
2755 exit(1);
2756 break;
3e3d5815 2757 case QEMU_OPTION_mtdblock:
609497ab 2758 drive_add(optarg, MTD_ALIAS);
3e3d5815 2759 break;
a1bb27b1 2760 case QEMU_OPTION_sd:
609497ab 2761 drive_add(optarg, SD_ALIAS);
a1bb27b1 2762 break;
86f55663 2763 case QEMU_OPTION_pflash:
609497ab 2764 drive_add(optarg, PFLASH_ALIAS);
86f55663 2765 break;
cd6f1169 2766 case QEMU_OPTION_snapshot:
33e3963e
FB
2767 snapshot = 1;
2768 break;
cd6f1169 2769 case QEMU_OPTION_hdachs:
330d0414 2770 {
330d0414
FB
2771 const char *p;
2772 p = optarg;
2773 cyls = strtol(p, (char **)&p, 0);
46d4767d
FB
2774 if (cyls < 1 || cyls > 16383)
2775 goto chs_fail;
330d0414
FB
2776 if (*p != ',')
2777 goto chs_fail;
2778 p++;
2779 heads = strtol(p, (char **)&p, 0);
46d4767d
FB
2780 if (heads < 1 || heads > 16)
2781 goto chs_fail;
330d0414
FB
2782 if (*p != ',')
2783 goto chs_fail;
2784 p++;
2785 secs = strtol(p, (char **)&p, 0);
46d4767d
FB
2786 if (secs < 1 || secs > 63)
2787 goto chs_fail;
2788 if (*p == ',') {
2789 p++;
2790 if (!strcmp(p, "none"))
2791 translation = BIOS_ATA_TRANSLATION_NONE;
2792 else if (!strcmp(p, "lba"))
2793 translation = BIOS_ATA_TRANSLATION_LBA;
2794 else if (!strcmp(p, "auto"))
2795 translation = BIOS_ATA_TRANSLATION_AUTO;
2796 else
2797 goto chs_fail;
2798 } else if (*p != '\0') {
c4b1fcc0 2799 chs_fail:
46d4767d
FB
2800 fprintf(stderr, "qemu: invalid physical CHS format\n");
2801 exit(1);
c4b1fcc0 2802 }
9dfd7c7a
GH
2803 if (hda_opts != NULL) {
2804 char num[16];
2805 snprintf(num, sizeof(num), "%d", cyls);
2806 qemu_opt_set(hda_opts, "cyls", num);
2807 snprintf(num, sizeof(num), "%d", heads);
2808 qemu_opt_set(hda_opts, "heads", num);
2809 snprintf(num, sizeof(num), "%d", secs);
2810 qemu_opt_set(hda_opts, "secs", num);
2811 if (translation == BIOS_ATA_TRANSLATION_LBA)
2812 qemu_opt_set(hda_opts, "trans", "lba");
2813 if (translation == BIOS_ATA_TRANSLATION_NONE)
2814 qemu_opt_set(hda_opts, "trans", "none");
2815 }
330d0414
FB
2816 }
2817 break;
268a362c
AL
2818 case QEMU_OPTION_numa:
2819 if (nb_numa_nodes >= MAX_NODES) {
2820 fprintf(stderr, "qemu: too many NUMA nodes\n");
2821 exit(1);
2822 }
2823 numa_add(optarg);
2824 break;
cd6f1169 2825 case QEMU_OPTION_nographic:
993fbfdb 2826 display_type = DT_NOGRAPHIC;
a20dd508 2827 break;
4d3b6f6e
AZ
2828#ifdef CONFIG_CURSES
2829 case QEMU_OPTION_curses:
993fbfdb 2830 display_type = DT_CURSES;
4d3b6f6e
AZ
2831 break;
2832#endif
a171fe39
AZ
2833 case QEMU_OPTION_portrait:
2834 graphic_rotate = 1;
2835 break;
cd6f1169 2836 case QEMU_OPTION_kernel:
a20dd508
FB
2837 kernel_filename = optarg;
2838 break;
cd6f1169 2839 case QEMU_OPTION_append:
a20dd508 2840 kernel_cmdline = optarg;
313aa567 2841 break;
cd6f1169 2842 case QEMU_OPTION_cdrom:
609497ab 2843 drive_add(optarg, CDROM_ALIAS);
36b486bb 2844 break;
cd6f1169 2845 case QEMU_OPTION_boot:
28c5af54 2846 {
ef3adf68 2847 static const char * const params[] = {
95387491 2848 "order", "once", "menu", NULL
ef3adf68
JK
2849 };
2850 char buf[sizeof(boot_devices)];
e0f084bf 2851 char *standard_boot_devices;
ef3adf68
JK
2852 int legacy = 0;
2853
2854 if (!strchr(optarg, '=')) {
2855 legacy = 1;
2856 pstrcpy(buf, sizeof(buf), optarg);
2857 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2858 fprintf(stderr,
2859 "qemu: unknown boot parameter '%s' in '%s'\n",
2860 buf, optarg);
2861 exit(1);
2862 }
2863
2864 if (legacy ||
2865 get_param_value(buf, sizeof(buf), "order", optarg)) {
4e9e9d6e 2866 validate_bootdevices(buf);
ef3adf68 2867 pstrcpy(boot_devices, sizeof(boot_devices), buf);
28c5af54 2868 }
e0f084bf
JK
2869 if (!legacy) {
2870 if (get_param_value(buf, sizeof(buf),
2871 "once", optarg)) {
4e9e9d6e 2872 validate_bootdevices(buf);
e0f084bf
JK
2873 standard_boot_devices = qemu_strdup(boot_devices);
2874 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2875 qemu_register_reset(restore_boot_devices,
2876 standard_boot_devices);
2877 }
95387491
JK
2878 if (get_param_value(buf, sizeof(buf),
2879 "menu", optarg)) {
2880 if (!strcmp(buf, "on")) {
2881 boot_menu = 1;
2882 } else if (!strcmp(buf, "off")) {
2883 boot_menu = 0;
2884 } else {
2885 fprintf(stderr,
2886 "qemu: invalid option value '%s'\n",
2887 buf);
2888 exit(1);
2889 }
2890 }
e0f084bf 2891 }
36b486bb
FB
2892 }
2893 break;
cd6f1169 2894 case QEMU_OPTION_fda:
cd6f1169 2895 case QEMU_OPTION_fdb:
609497ab 2896 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
c45886db 2897 break;
52ca8d6a
FB
2898 case QEMU_OPTION_no_fd_bootchk:
2899 fd_bootchk = 0;
2900 break;
a1ea458f
MM
2901 case QEMU_OPTION_netdev:
2902 if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
2903 exit(1);
2904 }
2905 break;
7c9d8e07 2906 case QEMU_OPTION_net:
7f161aae 2907 if (net_client_parse(&qemu_net_opts, optarg) == -1) {
c4b1fcc0
FB
2908 exit(1);
2909 }
702c651c 2910 break;
c7f74643
FB
2911#ifdef CONFIG_SLIRP
2912 case QEMU_OPTION_tftp:
ad196a9d 2913 legacy_tftp_prefix = optarg;
9bf05444 2914 break;
47d5d01a 2915 case QEMU_OPTION_bootp:
ad196a9d 2916 legacy_bootp_filename = optarg;
47d5d01a 2917 break;
c94c8d64 2918#ifndef _WIN32
9d728e8c 2919 case QEMU_OPTION_smb:
0752706d
MA
2920 if (net_slirp_smb(optarg) < 0)
2921 exit(1);
9d728e8c 2922 break;
c94c8d64 2923#endif
9bf05444 2924 case QEMU_OPTION_redir:
0752706d
MA
2925 if (net_slirp_redir(optarg) < 0)
2926 exit(1);
9bf05444 2927 break;
c7f74643 2928#endif
dc72ac14 2929 case QEMU_OPTION_bt:
bd3c948d 2930 add_device_config(DEV_BT, optarg);
dc72ac14 2931 break;
1d14ffa9 2932 case QEMU_OPTION_audio_help:
ad96090a
BS
2933 if (!(audio_available())) {
2934 printf("Option %s not supported for this target\n", popt->name);
2935 exit(1);
2936 }
1d14ffa9
FB
2937 AUD_help ();
2938 exit (0);
2939 break;
2940 case QEMU_OPTION_soundhw:
ad96090a
BS
2941 if (!(audio_available())) {
2942 printf("Option %s not supported for this target\n", popt->name);
2943 exit(1);
2944 }
1d14ffa9
FB
2945 select_soundhw (optarg);
2946 break;
cd6f1169 2947 case QEMU_OPTION_h:
15f82208 2948 help(0);
cd6f1169 2949 break;
9bd7e6d9
PB
2950 case QEMU_OPTION_version:
2951 version();
2952 exit(0);
2953 break;
00f82b8a
AJ
2954 case QEMU_OPTION_m: {
2955 uint64_t value;
2956 char *ptr;
2957
2958 value = strtoul(optarg, &ptr, 10);
2959 switch (*ptr) {
2960 case 0: case 'M': case 'm':
2961 value <<= 20;
2962 break;
2963 case 'G': case 'g':
2964 value <<= 30;
2965 break;
2966 default:
2967 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
cd6f1169
FB
2968 exit(1);
2969 }
00f82b8a
AJ
2970
2971 /* On 32-bit hosts, QEMU is limited by virtual address space */
4a1418e0 2972 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
00f82b8a
AJ
2973 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2974 exit(1);
2975 }
c227f099 2976 if (value != (uint64_t)(ram_addr_t)value) {
00f82b8a
AJ
2977 fprintf(stderr, "qemu: ram size too large\n");
2978 exit(1);
2979 }
2980 ram_size = value;
cd6f1169 2981 break;
00f82b8a 2982 }
c902760f
MT
2983 case QEMU_OPTION_mempath:
2984 mem_path = optarg;
2985 break;
2986#ifdef MAP_POPULATE
2987 case QEMU_OPTION_mem_prealloc:
2988 mem_prealloc = 1;
2989 break;
2990#endif
cd6f1169 2991 case QEMU_OPTION_d:
de06f8d1 2992 set_cpu_log(optarg);
cd6f1169 2993 break;
cd6f1169 2994 case QEMU_OPTION_s:
59030a8c 2995 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
cd6f1169 2996 break;
59030a8c
AL
2997 case QEMU_OPTION_gdb:
2998 gdbstub_dev = optarg;
cd6f1169 2999 break;
cd6f1169 3000 case QEMU_OPTION_L:
5cea8590 3001 data_dir = optarg;
cd6f1169 3002 break;
1192dad8
JM
3003 case QEMU_OPTION_bios:
3004 bios_name = optarg;
3005 break;
1b530a6d
AJ
3006 case QEMU_OPTION_singlestep:
3007 singlestep = 1;
3008 break;
cd6f1169 3009 case QEMU_OPTION_S:
3c07f8e8 3010 autostart = 0;
cd6f1169 3011 break;
3d11d0eb
FB
3012 case QEMU_OPTION_k:
3013 keyboard_layout = optarg;
3014 break;
ee22c2f7
FB
3015 case QEMU_OPTION_localtime:
3016 rtc_utc = 0;
3017 break;
3893c124 3018 case QEMU_OPTION_vga:
3019 select_vgahw (optarg);
1bfe856e 3020 break;
e9b137c2
FB
3021 case QEMU_OPTION_g:
3022 {
3023 const char *p;
3024 int w, h, depth;
3025 p = optarg;
3026 w = strtol(p, (char **)&p, 10);
3027 if (w <= 0) {
3028 graphic_error:
3029 fprintf(stderr, "qemu: invalid resolution or depth\n");
3030 exit(1);
3031 }
3032 if (*p != 'x')
3033 goto graphic_error;
3034 p++;
3035 h = strtol(p, (char **)&p, 10);
3036 if (h <= 0)
3037 goto graphic_error;
3038 if (*p == 'x') {
3039 p++;
3040 depth = strtol(p, (char **)&p, 10);
5fafdf24 3041 if (depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB
3042 depth != 24 && depth != 32)
3043 goto graphic_error;
3044 } else if (*p == '\0') {
3045 depth = graphic_depth;
3046 } else {
3047 goto graphic_error;
3048 }
3b46e624 3049
e9b137c2
FB
3050 graphic_width = w;
3051 graphic_height = h;
3052 graphic_depth = depth;
3053 }
3054 break;
20d8a3ed
TS
3055 case QEMU_OPTION_echr:
3056 {
3057 char *r;
3058 term_escape_char = strtol(optarg, &r, 0);
3059 if (r == optarg)
3060 printf("Bad argument to echr\n");
3061 break;
3062 }
82c643ff 3063 case QEMU_OPTION_monitor:
6ca5582d
GH
3064 monitor_parse(optarg, "readline");
3065 default_monitor = 0;
3066 break;
3067 case QEMU_OPTION_qmp:
3068 monitor_parse(optarg, "control");
2d114dc1 3069 default_monitor = 0;
82c643ff 3070 break;
22a0e04b 3071 case QEMU_OPTION_mon:
8212c64f 3072 opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
22a0e04b 3073 if (!opts) {
22a0e04b
GH
3074 exit(1);
3075 }
2d114dc1 3076 default_monitor = 0;
22a0e04b 3077 break;
191bc01b 3078 case QEMU_OPTION_chardev:
8212c64f 3079 opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
191bc01b 3080 if (!opts) {
191bc01b
GH
3081 exit(1);
3082 }
191bc01b 3083 break;
82c643ff 3084 case QEMU_OPTION_serial:
998bbd74
GH
3085 add_device_config(DEV_SERIAL, optarg);
3086 default_serial = 0;
18141ed6
JK
3087 if (strncmp(optarg, "mon:", 4) == 0) {
3088 default_monitor = 0;
3089 }
82c643ff 3090 break;
9dd986cc 3091 case QEMU_OPTION_watchdog:
09aaa160
MA
3092 if (watchdog) {
3093 fprintf(stderr,
3094 "qemu: only one watchdog option may be given\n");
3095 return 1;
3096 }
3097 watchdog = optarg;
9dd986cc
RJ
3098 break;
3099 case QEMU_OPTION_watchdog_action:
3100 if (select_watchdog_action(optarg) == -1) {
3101 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3102 exit(1);
3103 }
3104 break;
51ecf136 3105 case QEMU_OPTION_virtiocon:
aee1b935
GH
3106 add_device_config(DEV_VIRTCON, optarg);
3107 default_virtcon = 0;
18141ed6
JK
3108 if (strncmp(optarg, "mon:", 4) == 0) {
3109 default_monitor = 0;
3110 }
51ecf136 3111 break;
6508fe59 3112 case QEMU_OPTION_parallel:
6a5e8b0e
GH
3113 add_device_config(DEV_PARALLEL, optarg);
3114 default_parallel = 0;
18141ed6
JK
3115 if (strncmp(optarg, "mon:", 4) == 0) {
3116 default_monitor = 0;
3117 }
6508fe59 3118 break;
c9f398e5
PA
3119 case QEMU_OPTION_debugcon:
3120 add_device_config(DEV_DEBUGCON, optarg);
3121 break;
d63d307f
FB
3122 case QEMU_OPTION_loadvm:
3123 loadvm = optarg;
3124 break;
3125 case QEMU_OPTION_full_screen:
3126 full_screen = 1;
3127 break;
667accab 3128#ifdef CONFIG_SDL
43523e93
TS
3129 case QEMU_OPTION_no_frame:
3130 no_frame = 1;
3131 break;
3780e197
TS
3132 case QEMU_OPTION_alt_grab:
3133 alt_grab = 1;
3134 break;
0ca9f8a4
DK
3135 case QEMU_OPTION_ctrl_grab:
3136 ctrl_grab = 1;
3137 break;
667accab
TS
3138 case QEMU_OPTION_no_quit:
3139 no_quit = 1;
3140 break;
7d957bd8 3141 case QEMU_OPTION_sdl:
993fbfdb 3142 display_type = DT_SDL;
7d957bd8 3143 break;
667accab 3144#endif
f7cce898 3145 case QEMU_OPTION_pidfile:
93815bc2 3146 pid_file = optarg;
f7cce898 3147 break;
a09db21f
FB
3148 case QEMU_OPTION_win2k_hack:
3149 win2k_install_hack = 1;
3150 break;
73822ec8
AL
3151 case QEMU_OPTION_rtc_td_hack:
3152 rtc_td_hack = 1;
3153 break;
8a92ea2f 3154 case QEMU_OPTION_acpitable:
de06f8d1 3155 do_acpitable_option(optarg);
8a92ea2f 3156 break;
b6f6e3d3 3157 case QEMU_OPTION_smbios:
de06f8d1 3158 do_smbios_option(optarg);
b6f6e3d3 3159 break;
7ba1e619
AL
3160 case QEMU_OPTION_enable_kvm:
3161 kvm_allowed = 1;
7ba1e619 3162 break;
bb36d470
FB
3163 case QEMU_OPTION_usb:
3164 usb_enabled = 1;
3165 break;
a594cfbf
FB
3166 case QEMU_OPTION_usbdevice:
3167 usb_enabled = 1;
bd3c948d
GH
3168 add_device_config(DEV_USB, optarg);
3169 break;
3170 case QEMU_OPTION_device:
8212c64f 3171 if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
f31d07d1
GH
3172 exit(1);
3173 }
a594cfbf 3174 break;
6a00d601 3175 case QEMU_OPTION_smp:
dc6b1c09 3176 smp_parse(optarg);
b2097003 3177 if (smp_cpus < 1) {
6a00d601
FB
3178 fprintf(stderr, "Invalid number of CPUs\n");
3179 exit(1);
3180 }
6be68d7e
JS
3181 if (max_cpus < smp_cpus) {
3182 fprintf(stderr, "maxcpus must be equal to or greater than "
3183 "smp\n");
3184 exit(1);
3185 }
3186 if (max_cpus > 255) {
3187 fprintf(stderr, "Unsupported number of maxcpus\n");
3188 exit(1);
3189 }
6a00d601 3190 break;
24236869 3191 case QEMU_OPTION_vnc:
993fbfdb 3192 display_type = DT_VNC;
73fc9742 3193 vnc_display = optarg;
24236869 3194 break;
6515b203
FB
3195 case QEMU_OPTION_no_acpi:
3196 acpi_enabled = 0;
3197 break;
16b29ae1
AL
3198 case QEMU_OPTION_no_hpet:
3199 no_hpet = 1;
3200 break;
7d4c3d53
MA
3201 case QEMU_OPTION_balloon:
3202 if (balloon_parse(optarg) < 0) {
3203 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3204 exit(1);
3205 }
df97b920 3206 break;
d1beab82
FB
3207 case QEMU_OPTION_no_reboot:
3208 no_reboot = 1;
3209 break;
b2f76161
AJ
3210 case QEMU_OPTION_no_shutdown:
3211 no_shutdown = 1;
3212 break;
9467cd46
AZ
3213 case QEMU_OPTION_show_cursor:
3214 cursor_hide = 0;
3215 break;
8fcb1b90
BS
3216 case QEMU_OPTION_uuid:
3217 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3218 fprintf(stderr, "Fail to parse UUID string."
3219 " Wrong format.\n");
3220 exit(1);
3221 }
3222 break;
5824d651 3223#ifndef _WIN32
71e3ceb8
TS
3224 case QEMU_OPTION_daemonize:
3225 daemonize = 1;
3226 break;
5824d651 3227#endif
9ae02555
TS
3228 case QEMU_OPTION_option_rom:
3229 if (nb_option_roms >= MAX_OPTION_ROMS) {
3230 fprintf(stderr, "Too many option ROMs\n");
3231 exit(1);
3232 }
3233 option_rom[nb_option_roms] = optarg;
3234 nb_option_roms++;
3235 break;
8e71621f
PB
3236 case QEMU_OPTION_semihosting:
3237 semihosting_enabled = 1;
3238 break;
c35734b2 3239 case QEMU_OPTION_name:
1889465a
AK
3240 qemu_name = qemu_strdup(optarg);
3241 {
3242 char *p = strchr(qemu_name, ',');
3243 if (p != NULL) {
3244 *p++ = 0;
3245 if (strncmp(p, "process=", 8)) {
3246 fprintf(stderr, "Unknown subargument %s to -name", p);
3247 exit(1);
3248 }
3249 p += 8;
3250 set_proc_name(p);
3251 }
3252 }
c35734b2 3253 break;
66508601
BS
3254 case QEMU_OPTION_prom_env:
3255 if (nb_prom_envs >= MAX_PROM_ENVS) {
3256 fprintf(stderr, "Too many prom variables\n");
3257 exit(1);
3258 }
3259 prom_envs[nb_prom_envs] = optarg;
3260 nb_prom_envs++;
3261 break;
2b8f2d41
AZ
3262 case QEMU_OPTION_old_param:
3263 old_param = 1;
05ebd537 3264 break;
f3dcfada
TS
3265 case QEMU_OPTION_clock:
3266 configure_alarms(optarg);
3267 break;
7e0af5d0 3268 case QEMU_OPTION_startdate:
1ed2fc1f
JK
3269 configure_rtc_date_offset(optarg, 1);
3270 break;
3271 case QEMU_OPTION_rtc:
8212c64f 3272 opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
1ed2fc1f 3273 if (!opts) {
1ed2fc1f 3274 exit(1);
7e0af5d0 3275 }
1ed2fc1f 3276 configure_rtc(opts);
7e0af5d0 3277 break;
26a5f13b
FB
3278 case QEMU_OPTION_tb_size:
3279 tb_size = strtol(optarg, NULL, 0);
3280 if (tb_size < 0)
3281 tb_size = 0;
3282 break;
2e70f6ef 3283 case QEMU_OPTION_icount:
4e3de9e9 3284 icount_option = optarg;
2e70f6ef 3285 break;
5bb7910a
AL
3286 case QEMU_OPTION_incoming:
3287 incoming = optarg;
3288 break;
d8c208dd
GH
3289 case QEMU_OPTION_nodefaults:
3290 default_serial = 0;
3291 default_parallel = 0;
aee1b935 3292 default_virtcon = 0;
d8c208dd
GH
3293 default_monitor = 0;
3294 default_vga = 0;
cb4522cc 3295 default_net = 0;
ac33f8fa
GH
3296 default_floppy = 0;
3297 default_cdrom = 0;
3298 default_sdcard = 0;
d8c208dd 3299 break;
5824d651 3300#ifndef _WIN32
0858532e
AL
3301 case QEMU_OPTION_chroot:
3302 chroot_dir = optarg;
3303 break;
3304 case QEMU_OPTION_runas:
3305 run_as = optarg;
3306 break;
e37630ca 3307#endif
e37630ca 3308 case QEMU_OPTION_xen_domid:
ad96090a
BS
3309 if (!(xen_available())) {
3310 printf("Option %s not supported for this target\n", popt->name);
3311 exit(1);
3312 }
e37630ca
AL
3313 xen_domid = atoi(optarg);
3314 break;
3315 case QEMU_OPTION_xen_create:
ad96090a
BS
3316 if (!(xen_available())) {
3317 printf("Option %s not supported for this target\n", popt->name);
3318 exit(1);
3319 }
e37630ca
AL
3320 xen_mode = XEN_CREATE;
3321 break;
3322 case QEMU_OPTION_xen_attach:
ad96090a
BS
3323 if (!(xen_available())) {
3324 printf("Option %s not supported for this target\n", popt->name);
3325 exit(1);
3326 }
e37630ca
AL
3327 xen_mode = XEN_ATTACH;
3328 break;
715a664a
GH
3329 case QEMU_OPTION_readconfig:
3330 {
dcfb0939
KW
3331 int ret = qemu_read_config_file(optarg);
3332 if (ret < 0) {
3333 fprintf(stderr, "read config %s: %s\n", optarg,
3334 strerror(-ret));
715a664a
GH
3335 exit(1);
3336 }
715a664a
GH
3337 break;
3338 }
3339 case QEMU_OPTION_writeconfig:
3340 {
3341 FILE *fp;
3342 if (strcmp(optarg, "-") == 0) {
3343 fp = stdout;
3344 } else {
3345 fp = fopen(optarg, "w");
3346 if (fp == NULL) {
3347 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3348 exit(1);
3349 }
3350 }
3351 qemu_config_write(fp);
3352 fclose(fp);
3353 break;
3354 }
cd6f1169 3355 }
0824d6fc
FB
3356 }
3357 }
0f0bc3f1 3358 loc_set_none();
330d0414 3359
5cea8590
PB
3360 /* If no data_dir is specified then try to find it relative to the
3361 executable path. */
3362 if (!data_dir) {
3363 data_dir = find_datadir(argv[0]);
3364 }
3365 /* If all else fails use the install patch specified when building. */
3366 if (!data_dir) {
3367 data_dir = CONFIG_QEMU_SHAREDIR;
3368 }
3369
6be68d7e
JS
3370 /*
3371 * Default to max_cpus = smp_cpus, in case the user doesn't
3372 * specify a max_cpus value.
3373 */
3374 if (!max_cpus)
3375 max_cpus = smp_cpus;
3376
3d878caa 3377 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
b2097003
AL
3378 if (smp_cpus > machine->max_cpus) {
3379 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3380 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3381 machine->max_cpus);
3382 exit(1);
3383 }
3384
998bbd74 3385 qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0);
d8bcbabf 3386 qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0);
998bbd74 3387
986c5f78
GH
3388 if (machine->no_serial) {
3389 default_serial = 0;
3390 }
3391 if (machine->no_parallel) {
3392 default_parallel = 0;
3393 }
3394 if (!machine->use_virtcon) {
3395 default_virtcon = 0;
3396 }
3397 if (machine->no_vga) {
3398 default_vga = 0;
3399 }
ac33f8fa
GH
3400 if (machine->no_floppy) {
3401 default_floppy = 0;
3402 }
3403 if (machine->no_cdrom) {
3404 default_cdrom = 0;
3405 }
3406 if (machine->no_sdcard) {
3407 default_sdcard = 0;
3408 }
986c5f78 3409
993fbfdb 3410 if (display_type == DT_NOGRAPHIC) {
6a5e8b0e
GH
3411 if (default_parallel)
3412 add_device_config(DEV_PARALLEL, "null");
e1c09175
GH
3413 if (default_serial && default_monitor) {
3414 add_device_config(DEV_SERIAL, "mon:stdio");
986c5f78
GH
3415 } else if (default_virtcon && default_monitor) {
3416 add_device_config(DEV_VIRTCON, "mon:stdio");
e1c09175
GH
3417 } else {
3418 if (default_serial)
3419 add_device_config(DEV_SERIAL, "stdio");
986c5f78
GH
3420 if (default_virtcon)
3421 add_device_config(DEV_VIRTCON, "stdio");
e1c09175 3422 if (default_monitor)
6ca5582d 3423 monitor_parse("stdio", "readline");
e1c09175 3424 }
998bbd74
GH
3425 } else {
3426 if (default_serial)
3427 add_device_config(DEV_SERIAL, "vc:80Cx24C");
6a5e8b0e
GH
3428 if (default_parallel)
3429 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
abdeed06 3430 if (default_monitor)
6ca5582d 3431 monitor_parse("vc:80Cx24C", "readline");
38536da1
AG
3432 if (default_virtcon)
3433 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
bc0129d9 3434 }
64465297
GH
3435 if (default_vga)
3436 vga_interface_type = VGA_CIRRUS;
bc0129d9 3437
1a688d3b
GH
3438 if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
3439 exit(1);
3440
71e3ceb8 3441#ifndef _WIN32
71e3ceb8
TS
3442 if (daemonize) {
3443 pid_t pid;
3444
3445 if (pipe(fds) == -1)
3446 exit(1);
3447
3448 pid = fork();
3449 if (pid > 0) {
3450 uint8_t status;
3451 ssize_t len;
3452
3453 close(fds[1]);
3454
3455 again:
93815bc2
TS
3456 len = read(fds[0], &status, 1);
3457 if (len == -1 && (errno == EINTR))
3458 goto again;
3459
3460 if (len != 1)
3461 exit(1);
3462 else if (status == 1) {
850810d0 3463 fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno));
93815bc2
TS
3464 exit(1);
3465 } else
3466 exit(0);
71e3ceb8 3467 } else if (pid < 0)
93815bc2 3468 exit(1);
71e3ceb8 3469
40ff6d7e
KW
3470 close(fds[0]);
3471 qemu_set_cloexec(fds[1]);
3472
71e3ceb8
TS
3473 setsid();
3474
3475 pid = fork();
3476 if (pid > 0)
3477 exit(0);
3478 else if (pid < 0)
3479 exit(1);
3480
3481 umask(027);
71e3ceb8
TS
3482
3483 signal(SIGTSTP, SIG_IGN);
3484 signal(SIGTTOU, SIG_IGN);
3485 signal(SIGTTIN, SIG_IGN);
3486 }
099fe236 3487#endif
71e3ceb8 3488
aa26bb2d 3489 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
099fe236 3490#ifndef _WIN32
93815bc2
TS
3491 if (daemonize) {
3492 uint8_t status = 1;
dc330e28
KS
3493 if (write(fds[1], &status, 1) != 1) {
3494 perror("daemonize. Writing to pipe\n");
3495 }
93815bc2 3496 } else
099fe236 3497#endif
850810d0 3498 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
93815bc2
TS
3499 exit(1);
3500 }
3501
98c8573e
PB
3502 if (kvm_allowed) {
3503 int ret = kvm_init(smp_cpus);
214910a7 3504 if (ret < 0) {
98c8573e
PB
3505 if (!kvm_available()) {
3506 printf("KVM not supported for this target\n");
3507 } else {
3508 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
3509 }
214910a7
MT
3510 exit(1);
3511 }
3512 }
3513
3fcf7b6b
AL
3514 if (qemu_init_main_loop()) {
3515 fprintf(stderr, "qemu_init_main_loop failed\n");
3516 exit(1);
3517 }
a20dd508 3518 linux_boot = (kernel_filename != NULL);
6c41b272 3519
f8d39c01
TS
3520 if (!linux_boot && *kernel_cmdline != '\0') {
3521 fprintf(stderr, "-append only allowed with -kernel option\n");
3522 exit(1);
3523 }
3524
3525 if (!linux_boot && initrd_filename != NULL) {
3526 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3527 exit(1);
3528 }
3529
bf65f53f
FN
3530#ifndef _WIN32
3531 /* Win32 doesn't support line-buffering and requires size >= 2 */
b118d61e 3532 setvbuf(stdout, NULL, _IOLBF, 0);
bf65f53f 3533#endif
3b46e624 3534
7183b4b4
AL
3535 if (init_timer_alarm() < 0) {
3536 fprintf(stderr, "could not initialize alarm timer\n");
3537 exit(1);
3538 }
4e3de9e9 3539 configure_icount(icount_option);
634fce96 3540
fd1dff4b 3541 socket_init();
fd1dff4b 3542
dc1c9fe8
MM
3543 if (net_init_clients() < 0) {
3544 exit(1);
702c651c 3545 }
f1510b2c 3546
dc72ac14 3547 /* init the bluetooth world */
bd3c948d
GH
3548 if (foreach_device_config(DEV_BT, bt_parse))
3549 exit(1);
dc72ac14 3550
0824d6fc 3551 /* init the memory */
94a6b54f
PB
3552 if (ram_size == 0)
3553 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
9ae02555 3554
26a5f13b
FB
3555 /* init the dynamic translator */
3556 cpu_exec_init_all(tb_size * 1024 * 1024);
3557
eb852011 3558 bdrv_init_with_whitelist();
c4b1fcc0 3559
c163b5ca
LS
3560 blk_mig_init();
3561
ac33f8fa 3562 if (default_cdrom) {
aa40fc9c
GH
3563 /* we always create the cdrom drive, even if no disk is there */
3564 drive_add(NULL, CDROM_ALIAS);
ac33f8fa 3565 }
c4b1fcc0 3566
ac33f8fa 3567 if (default_floppy) {
aa40fc9c
GH
3568 /* we always create at least one floppy */
3569 drive_add(NULL, FD_ALIAS, 0);
ac33f8fa 3570 }
86f55663 3571
ac33f8fa 3572 if (default_sdcard) {
aa40fc9c
GH
3573 /* we always create one sd slot, even if no card is in it */
3574 drive_add(NULL, SD_ALIAS);
3575 }
9d413d1d 3576
e4bcb14c 3577 /* open the virtual block devices */
9dfd7c7a 3578 if (snapshot)
7282a033
GH
3579 qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
3580 if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0)
9dfd7c7a 3581 exit(1);
3e3d5815 3582
c163b5ca
LS
3583 register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL,
3584 ram_load, NULL);
8a7ddc38 3585
268a362c
AL
3586 if (nb_numa_nodes > 0) {
3587 int i;
3588
3589 if (nb_numa_nodes > smp_cpus) {
3590 nb_numa_nodes = smp_cpus;
3591 }
3592
3593 /* If no memory size if given for any node, assume the default case
3594 * and distribute the available memory equally across all nodes
3595 */
3596 for (i = 0; i < nb_numa_nodes; i++) {
3597 if (node_mem[i] != 0)
3598 break;
3599 }
3600 if (i == nb_numa_nodes) {
3601 uint64_t usedmem = 0;
3602
3603 /* On Linux, the each node's border has to be 8MB aligned,
3604 * the final node gets the rest.
3605 */
3606 for (i = 0; i < nb_numa_nodes - 1; i++) {
3607 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3608 usedmem += node_mem[i];
3609 }
3610 node_mem[i] = ram_size - usedmem;
3611 }
3612
3613 for (i = 0; i < nb_numa_nodes; i++) {
3614 if (node_cpumask[i] != 0)
3615 break;
3616 }
3617 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3618 * must cope with this anyway, because there are BIOSes out there in
3619 * real machines which also use this scheme.
3620 */
3621 if (i == nb_numa_nodes) {
3622 for (i = 0; i < smp_cpus; i++) {
3623 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3624 }
3625 }
3626 }
3627
157b9319
JK
3628 if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) {
3629 exit(1);
3630 }
3631
998bbd74
GH
3632 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3633 exit(1);
6a5e8b0e
GH
3634 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3635 exit(1);
aee1b935
GH
3636 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3637 exit(1);
c9f398e5
PA
3638 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3639 exit(1);
2796dae0 3640
aae9460e
PB
3641 module_call_init(MODULE_INIT_DEVICE);
3642
ff952ba2
MA
3643 if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0)
3644 exit(0);
3645
09aaa160
MA
3646 if (watchdog) {
3647 i = select_watchdog(watchdog);
3648 if (i > 0)
3649 exit (i == 1 ? 1 : 0);
3650 }
3651
b6b61144 3652 if (machine->compat_props) {
458fb679 3653 qdev_prop_register_global_list(machine->compat_props);
b6b61144 3654 }
d0fef6fb
GH
3655 qemu_add_globals();
3656
fbe1b595 3657 machine->init(ram_size, boot_devices,
3023f332
AL
3658 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3659
ea375f9a 3660 cpu_synchronize_all_post_init();
268a362c 3661
67b3b71d
JQ
3662#ifndef _WIN32
3663 /* must be after terminal init, SDL library changes signal handlers */
3664 sighandler_setup();
3665#endif
3666
87d0a28e 3667 set_numa_modes();
268a362c 3668
6f338c34
AL
3669 current_machine = machine;
3670
3023f332
AL
3671 /* init USB devices */
3672 if (usb_enabled) {
0752706d
MA
3673 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3674 exit(1);
3023f332
AL
3675 }
3676
bd3c948d 3677 /* init generic devices */
f31d07d1 3678 if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
bd3c948d
GH
3679 exit(1);
3680
668680f7
MA
3681 net_check_clients();
3682
3023f332 3683 /* just use the first displaystate for the moment */
b473df6e 3684 ds = get_displaystate();
993fbfdb
AL
3685
3686 if (display_type == DT_DEFAULT) {
3687#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3688 display_type = DT_SDL;
3689#else
3690 display_type = DT_VNC;
3691 vnc_display = "localhost:0,to=99";
3692 show_vnc_port = 1;
3693#endif
3694 }
3695
3696
3697 switch (display_type) {
3698 case DT_NOGRAPHIC:
3699 break;
4d3b6f6e 3700#if defined(CONFIG_CURSES)
993fbfdb
AL
3701 case DT_CURSES:
3702 curses_display_init(ds, full_screen);
3703 break;
4d3b6f6e 3704#endif
5b0753e0 3705#if defined(CONFIG_SDL)
993fbfdb
AL
3706 case DT_SDL:
3707 sdl_display_init(ds, full_screen, no_frame);
3708 break;
5b0753e0 3709#elif defined(CONFIG_COCOA)
993fbfdb
AL
3710 case DT_SDL:
3711 cocoa_display_init(ds, full_screen);
3712 break;
313aa567 3713#endif
993fbfdb
AL
3714 case DT_VNC:
3715 vnc_display_init(ds);
3716 if (vnc_display_open(ds, vnc_display) < 0)
3717 exit(1);
f92f8afe 3718
993fbfdb
AL
3719 if (show_vnc_port) {
3720 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
f92f8afe 3721 }
993fbfdb
AL
3722 break;
3723 default:
3724 break;
313aa567 3725 }
7d957bd8 3726 dpy_resize(ds);
5b08fc10 3727
3023f332
AL
3728 dcl = ds->listeners;
3729 while (dcl != NULL) {
3730 if (dcl->dpy_refresh != NULL) {
3731 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
3732 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
20d8a3ed 3733 }
3023f332 3734 dcl = dcl->next;
20d8a3ed 3735 }
3023f332 3736
993fbfdb 3737 if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
9043b62d
BS
3738 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
3739 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
3740 }
3741
b473df6e 3742 text_consoles_set_display(ds);
2796dae0 3743
59030a8c
AL
3744 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3745 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3746 gdbstub_dev);
3747 exit(1);
45669e00 3748 }
45669e00 3749
3418bd25
GH
3750 qdev_machine_creation_done();
3751
15ff7705
GH
3752 if (rom_load_all() != 0) {
3753 fprintf(stderr, "rom loading failed\n");
3754 exit(1);
3755 }
45a50b16 3756
504c2948 3757 qemu_system_reset();
05f2401e 3758 if (loadvm) {
03cd4655 3759 if (load_vmstate(loadvm) < 0) {
05f2401e
JQ
3760 autostart = 0;
3761 }
3762 }
d63d307f 3763
2bb8c10c 3764 if (incoming) {
5bb7910a 3765 qemu_start_incoming_migration(incoming);
6b99dadc 3766 } else if (autostart) {
c0f4ce77 3767 vm_start();
6b99dadc 3768 }
ffd843bc 3769
b9e82a59 3770#ifndef _WIN32
71e3ceb8
TS
3771 if (daemonize) {
3772 uint8_t status = 0;
3773 ssize_t len;
71e3ceb8
TS
3774
3775 again1:
3776 len = write(fds[1], &status, 1);
3777 if (len == -1 && (errno == EINTR))
3778 goto again1;
3779
3780 if (len != 1)
3781 exit(1);
3782
dc330e28
KS
3783 if (chdir("/")) {
3784 perror("not able to chdir to /");
3785 exit(1);
3786 }
40ff6d7e 3787 TFR(fd = qemu_open("/dev/null", O_RDWR));
71e3ceb8
TS
3788 if (fd == -1)
3789 exit(1);
0858532e 3790 }
71e3ceb8 3791
0858532e
AL
3792 if (run_as) {
3793 pwd = getpwnam(run_as);
3794 if (!pwd) {
3795 fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
3796 exit(1);
3797 }
3798 }
3799
3800 if (chroot_dir) {
3801 if (chroot(chroot_dir) < 0) {
3802 fprintf(stderr, "chroot failed\n");
3803 exit(1);
3804 }
dc330e28
KS
3805 if (chdir("/")) {
3806 perror("not able to chdir to /");
3807 exit(1);
3808 }
0858532e
AL
3809 }
3810
3811 if (run_as) {
3812 if (setgid(pwd->pw_gid) < 0) {
3813 fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
3814 exit(1);
3815 }
3816 if (setuid(pwd->pw_uid) < 0) {
3817 fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
3818 exit(1);
3819 }
3820 if (setuid(0) != -1) {
3821 fprintf(stderr, "Dropping privileges failed\n");
3822 exit(1);
3823 }
3824 }
0858532e
AL
3825
3826 if (daemonize) {
3827 dup2(fd, 0);
3828 dup2(fd, 1);
3829 dup2(fd, 2);
71e3ceb8 3830
0858532e 3831 close(fd);
71e3ceb8 3832 }
b9e82a59 3833#endif
71e3ceb8 3834
8a7ddc38 3835 main_loop();
40c3bac3 3836 quit_timers();
63a01ef8 3837 net_cleanup();
b46a8906 3838
0824d6fc
FB
3839 return 0;
3840}