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qdev: Move declaration of qdev_init_bdrv() into qdev.h
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0824d6fc 1/*
80cabfad 2 * QEMU System Emulator
5fafdf24 3 *
68d0f70e 4 * Copyright (c) 2003-2008 Fabrice Bellard
5fafdf24 5 *
1df912cf
FB
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
0824d6fc 23 */
0824d6fc 24#include <unistd.h>
0824d6fc
FB
25#include <fcntl.h>
26#include <signal.h>
27#include <time.h>
0824d6fc 28#include <errno.h>
67b915a5 29#include <sys/time.h>
c88676f8 30#include <zlib.h>
67b915a5 31
71e72a19 32/* Needed early for CONFIG_BSD etc. */
d40cdb10
BS
33#include "config-host.h"
34
67b915a5 35#ifndef _WIN32
5cea8590 36#include <libgen.h>
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 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"
74db920c
GS
152#ifdef CONFIG_LINUX
153#include "fsdev/qemu-fsdev.h"
154#endif
511d2b14 155
0824d6fc 156#include "disas.h"
fc01f7e7 157
511d2b14
BS
158#include "qemu_socket.h"
159
d918f23e 160#include "slirp/libslirp.h"
511d2b14 161
72cf2d4f 162#include "qemu-queue.h"
296af7c9 163#include "cpus.h"
ad96090a 164#include "arch_init.h"
72cf2d4f 165
9dc63a1e
BS
166//#define DEBUG_NET
167//#define DEBUG_SLIRP
330d0414 168
1bfe856e 169#define DEFAULT_RAM_SIZE 128
313aa567 170
98b19252
AS
171#define MAX_VIRTIO_CONSOLES 1
172
5cea8590 173static const char *data_dir;
1192dad8 174const char *bios_name = NULL;
72cf2d4f 175struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives);
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
a803cb8e 770DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi, int *fatal_error)
e4bcb14c 771{
9dfd7c7a
GH
772 const char *buf;
773 const char *file = NULL;
c8522bdf 774 char devname[128];
9dfd7c7a 775 const char *serial;
c8522bdf 776 const char *mediastr = "";
f60d39bc 777 BlockInterfaceType type;
e4bcb14c
TS
778 enum { MEDIA_DISK, MEDIA_CDROM } media;
779 int bus_id, unit_id;
780 int cyls, heads, secs, translation;
1e72d3b7 781 BlockDriver *drv = NULL;
e4bcb14c
TS
782 int max_devs;
783 int index;
59f2689d 784 int ro = 0;
763b6084 785 int bdrv_flags = 0;
e9b2e818 786 int on_read_error, on_write_error;
c2cc47a4 787 const char *devaddr;
751c6a17 788 DriveInfo *dinfo;
9dfd7c7a 789 int snapshot = 0;
236f1f67 790 int ret;
e4bcb14c 791
9dfd7c7a 792 *fatal_error = 1;
e4bcb14c 793
e4bcb14c 794 translation = BIOS_ATA_TRANSLATION_AUTO;
e4bcb14c 795
a803cb8e 796 if (default_to_scsi) {
f60d39bc 797 type = IF_SCSI;
e4bcb14c 798 max_devs = MAX_SCSI_DEVS;
363a37d5 799 pstrcpy(devname, sizeof(devname), "scsi");
e4bcb14c 800 } else {
f60d39bc 801 type = IF_IDE;
e4bcb14c 802 max_devs = MAX_IDE_DEVS;
363a37d5 803 pstrcpy(devname, sizeof(devname), "ide");
e4bcb14c
TS
804 }
805 media = MEDIA_DISK;
806
807 /* extract parameters */
9dfd7c7a
GH
808 bus_id = qemu_opt_get_number(opts, "bus", 0);
809 unit_id = qemu_opt_get_number(opts, "unit", -1);
810 index = qemu_opt_get_number(opts, "index", -1);
e4bcb14c 811
9dfd7c7a
GH
812 cyls = qemu_opt_get_number(opts, "cyls", 0);
813 heads = qemu_opt_get_number(opts, "heads", 0);
814 secs = qemu_opt_get_number(opts, "secs", 0);
e4bcb14c 815
9dfd7c7a 816 snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
59f2689d 817 ro = qemu_opt_get_bool(opts, "readonly", 0);
e4bcb14c 818
9dfd7c7a
GH
819 file = qemu_opt_get(opts, "file");
820 serial = qemu_opt_get(opts, "serial");
821
822 if ((buf = qemu_opt_get(opts, "if")) != NULL) {
ae45d369 823 pstrcpy(devname, sizeof(devname), buf);
e4bcb14c 824 if (!strcmp(buf, "ide")) {
f60d39bc 825 type = IF_IDE;
e4bcb14c
TS
826 max_devs = MAX_IDE_DEVS;
827 } else if (!strcmp(buf, "scsi")) {
f60d39bc 828 type = IF_SCSI;
e4bcb14c
TS
829 max_devs = MAX_SCSI_DEVS;
830 } else if (!strcmp(buf, "floppy")) {
f60d39bc 831 type = IF_FLOPPY;
e4bcb14c
TS
832 max_devs = 0;
833 } else if (!strcmp(buf, "pflash")) {
f60d39bc 834 type = IF_PFLASH;
e4bcb14c
TS
835 max_devs = 0;
836 } else if (!strcmp(buf, "mtd")) {
f60d39bc 837 type = IF_MTD;
e4bcb14c
TS
838 max_devs = 0;
839 } else if (!strcmp(buf, "sd")) {
f60d39bc 840 type = IF_SD;
e4bcb14c 841 max_devs = 0;
6e02c38d
AL
842 } else if (!strcmp(buf, "virtio")) {
843 type = IF_VIRTIO;
844 max_devs = 0;
62d23efa
AL
845 } else if (!strcmp(buf, "xen")) {
846 type = IF_XEN;
847 max_devs = 0;
a8659e90
GH
848 } else if (!strcmp(buf, "none")) {
849 type = IF_NONE;
850 max_devs = 0;
62d23efa 851 } else {
9dfd7c7a 852 fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
751c6a17 853 return NULL;
e4bcb14c
TS
854 }
855 }
856
e4bcb14c 857 if (cyls || heads || secs) {
5afe3f04 858 if (cyls < 1 || (type == IF_IDE && cyls > 16383)) {
9dfd7c7a 859 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
751c6a17 860 return NULL;
e4bcb14c 861 }
5afe3f04 862 if (heads < 1 || (type == IF_IDE && heads > 16)) {
9dfd7c7a 863 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
751c6a17 864 return NULL;
e4bcb14c 865 }
5afe3f04 866 if (secs < 1 || (type == IF_IDE && secs > 63)) {
9dfd7c7a 867 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
751c6a17 868 return NULL;
e4bcb14c
TS
869 }
870 }
871
9dfd7c7a 872 if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
e4bcb14c
TS
873 if (!cyls) {
874 fprintf(stderr,
875 "qemu: '%s' trans must be used with cyls,heads and secs\n",
9dfd7c7a 876 buf);
751c6a17 877 return NULL;
e4bcb14c
TS
878 }
879 if (!strcmp(buf, "none"))
880 translation = BIOS_ATA_TRANSLATION_NONE;
881 else if (!strcmp(buf, "lba"))
882 translation = BIOS_ATA_TRANSLATION_LBA;
883 else if (!strcmp(buf, "auto"))
884 translation = BIOS_ATA_TRANSLATION_AUTO;
885 else {
9dfd7c7a 886 fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
751c6a17 887 return NULL;
e4bcb14c
TS
888 }
889 }
890
9dfd7c7a 891 if ((buf = qemu_opt_get(opts, "media")) != NULL) {
e4bcb14c
TS
892 if (!strcmp(buf, "disk")) {
893 media = MEDIA_DISK;
894 } else if (!strcmp(buf, "cdrom")) {
895 if (cyls || secs || heads) {
896 fprintf(stderr,
9dfd7c7a 897 "qemu: '%s' invalid physical CHS format\n", buf);
751c6a17 898 return NULL;
e4bcb14c
TS
899 }
900 media = MEDIA_CDROM;
901 } else {
9dfd7c7a 902 fprintf(stderr, "qemu: '%s' invalid media\n", buf);
751c6a17 903 return NULL;
e4bcb14c
TS
904 }
905 }
906
9dfd7c7a 907 if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
763b6084
CH
908 if (!strcmp(buf, "off") || !strcmp(buf, "none")) {
909 bdrv_flags |= BDRV_O_NOCACHE;
910 } else if (!strcmp(buf, "writeback")) {
911 bdrv_flags |= BDRV_O_CACHE_WB;
016f5cf6
AG
912 } else if (!strcmp(buf, "unsafe")) {
913 bdrv_flags |= BDRV_O_CACHE_WB;
914 bdrv_flags |= BDRV_O_NO_FLUSH;
763b6084
CH
915 } else if (!strcmp(buf, "writethrough")) {
916 /* this is the default */
917 } else {
33f00271 918 fprintf(stderr, "qemu: invalid cache option\n");
751c6a17 919 return NULL;
33f00271
AZ
920 }
921 }
922
5c6c3a6c
CH
923#ifdef CONFIG_LINUX_AIO
924 if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
763b6084
CH
925 if (!strcmp(buf, "native")) {
926 bdrv_flags |= BDRV_O_NATIVE_AIO;
927 } else if (!strcmp(buf, "threads")) {
928 /* this is the default */
929 } else {
5c6c3a6c
CH
930 fprintf(stderr, "qemu: invalid aio option\n");
931 return NULL;
932 }
933 }
934#endif
935
9dfd7c7a 936 if ((buf = qemu_opt_get(opts, "format")) != NULL) {
a1620fac
AJ
937 if (strcmp(buf, "?") == 0) {
938 fprintf(stderr, "qemu: Supported formats:");
939 bdrv_iterate_format(bdrv_format_print, NULL);
940 fprintf(stderr, "\n");
751c6a17 941 return NULL;
a1620fac 942 }
eb852011 943 drv = bdrv_find_whitelisted_format(buf);
1e72d3b7
AJ
944 if (!drv) {
945 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
751c6a17 946 return NULL;
1e72d3b7
AJ
947 }
948 }
949
e9b2e818 950 on_write_error = BLOCK_ERR_STOP_ENOSPC;
9dfd7c7a 951 if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
dc33bb34 952 if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO && type != IF_NONE) {
ea8a5d7f 953 fprintf(stderr, "werror is no supported by this format\n");
751c6a17 954 return NULL;
428c5705 955 }
e9b2e818
KW
956
957 on_write_error = parse_block_error_action(buf, 0);
958 if (on_write_error < 0) {
959 return NULL;
960 }
961 }
962
963 on_read_error = BLOCK_ERR_REPORT;
964 if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
dc33bb34 965 if (type != IF_IDE && type != IF_VIRTIO && type != IF_NONE) {
e9b2e818
KW
966 fprintf(stderr, "rerror is no supported by this format\n");
967 return NULL;
968 }
969
970 on_read_error = parse_block_error_action(buf, 1);
971 if (on_read_error < 0) {
751c6a17 972 return NULL;
428c5705
AL
973 }
974 }
975
9dfd7c7a 976 if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
c2cc47a4 977 if (type != IF_VIRTIO) {
9dfd7c7a 978 fprintf(stderr, "addr is not supported\n");
751c6a17 979 return NULL;
c2cc47a4 980 }
c2cc47a4
MA
981 }
982
e4bcb14c
TS
983 /* compute bus and unit according index */
984
985 if (index != -1) {
986 if (bus_id != 0 || unit_id != -1) {
987 fprintf(stderr,
9dfd7c7a 988 "qemu: index cannot be used with bus and unit\n");
751c6a17 989 return NULL;
e4bcb14c
TS
990 }
991 if (max_devs == 0)
992 {
993 unit_id = index;
994 bus_id = 0;
995 } else {
996 unit_id = index % max_devs;
997 bus_id = index / max_devs;
998 }
999 }
1000
1001 /* if user doesn't specify a unit_id,
1002 * try to find the first free
1003 */
1004
1005 if (unit_id == -1) {
1006 unit_id = 0;
751c6a17 1007 while (drive_get(type, bus_id, unit_id) != NULL) {
e4bcb14c
TS
1008 unit_id++;
1009 if (max_devs && unit_id >= max_devs) {
1010 unit_id -= max_devs;
1011 bus_id++;
1012 }
1013 }
1014 }
1015
1016 /* check unit id */
1017
1018 if (max_devs && unit_id >= max_devs) {
9dfd7c7a
GH
1019 fprintf(stderr, "qemu: unit %d too big (max is %d)\n",
1020 unit_id, max_devs - 1);
751c6a17 1021 return NULL;
e4bcb14c
TS
1022 }
1023
1024 /*
1025 * ignore multiple definitions
1026 */
1027
751c6a17
GH
1028 if (drive_get(type, bus_id, unit_id) != NULL) {
1029 *fatal_error = 0;
1030 return NULL;
1031 }
e4bcb14c
TS
1032
1033 /* init */
1034
751c6a17 1035 dinfo = qemu_mallocz(sizeof(*dinfo));
e23d9c4d 1036 if ((buf = qemu_opts_id(opts)) != NULL) {
9dfd7c7a
GH
1037 dinfo->id = qemu_strdup(buf);
1038 } else {
1dae12e6 1039 /* no id supplied -> create one */
9dfd7c7a 1040 dinfo->id = qemu_mallocz(32);
1dae12e6
GH
1041 if (type == IF_IDE || type == IF_SCSI)
1042 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
1043 if (max_devs)
9dfd7c7a 1044 snprintf(dinfo->id, 32, "%s%i%s%i",
1dae12e6
GH
1045 devname, bus_id, mediastr, unit_id);
1046 else
9dfd7c7a 1047 snprintf(dinfo->id, 32, "%s%s%i",
1dae12e6
GH
1048 devname, mediastr, unit_id);
1049 }
1dae12e6 1050 dinfo->bdrv = bdrv_new(dinfo->id);
751c6a17
GH
1051 dinfo->devaddr = devaddr;
1052 dinfo->type = type;
1053 dinfo->bus = bus_id;
1054 dinfo->unit = unit_id;
e9b2e818
KW
1055 dinfo->on_read_error = on_read_error;
1056 dinfo->on_write_error = on_write_error;
9dfd7c7a
GH
1057 dinfo->opts = opts;
1058 if (serial)
1059 strncpy(dinfo->serial, serial, sizeof(serial));
72cf2d4f 1060 QTAILQ_INSERT_TAIL(&drives, dinfo, next);
e4bcb14c 1061
f60d39bc 1062 switch(type) {
e4bcb14c
TS
1063 case IF_IDE:
1064 case IF_SCSI:
62d23efa 1065 case IF_XEN:
c219331e 1066 case IF_NONE:
e4bcb14c
TS
1067 switch(media) {
1068 case MEDIA_DISK:
1069 if (cyls != 0) {
1dae12e6
GH
1070 bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs);
1071 bdrv_set_translation_hint(dinfo->bdrv, translation);
e4bcb14c
TS
1072 }
1073 break;
1074 case MEDIA_CDROM:
1dae12e6 1075 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM);
e4bcb14c
TS
1076 break;
1077 }
1078 break;
1079 case IF_SD:
1080 /* FIXME: This isn't really a floppy, but it's a reasonable
1081 approximation. */
1082 case IF_FLOPPY:
1dae12e6 1083 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY);
e4bcb14c
TS
1084 break;
1085 case IF_PFLASH:
1086 case IF_MTD:
1087 break;
d176c495
GH
1088 case IF_VIRTIO:
1089 /* add virtio block device */
1090 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1091 qemu_opt_set(opts, "driver", "virtio-blk-pci");
1092 qemu_opt_set(opts, "drive", dinfo->id);
1093 if (devaddr)
1094 qemu_opt_set(opts, "addr", devaddr);
1095 break;
aae9460e
PB
1096 case IF_COUNT:
1097 abort();
e4bcb14c 1098 }
9dfd7c7a 1099 if (!file) {
751c6a17
GH
1100 *fatal_error = 0;
1101 return NULL;
1102 }
9f7965c7 1103 if (snapshot) {
c3177288 1104 /* always use cache=unsafe with snapshot */
763b6084 1105 bdrv_flags &= ~BDRV_O_CACHE_MASK;
c3177288 1106 bdrv_flags |= (BDRV_O_SNAPSHOT|BDRV_O_CACHE_WB|BDRV_O_NO_FLUSH);
5c6c3a6c
CH
1107 }
1108
2db7ad59
NS
1109 if (media == MEDIA_CDROM) {
1110 /* CDROM is fine for any interface, don't check. */
1111 ro = 1;
1112 } else if (ro == 1) {
dc33bb34 1113 if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY && type != IF_NONE) {
f5edb014 1114 fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
59f2689d
NS
1115 return NULL;
1116 }
b196b153 1117 }
2db7ad59 1118
f5edb014 1119 bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
59f2689d 1120
236f1f67
KW
1121 ret = bdrv_open(dinfo->bdrv, file, bdrv_flags, drv);
1122 if (ret < 0) {
850810d0 1123 fprintf(stderr, "qemu: could not open disk image %s: %s\n",
236f1f67 1124 file, strerror(-ret));
751c6a17 1125 return NULL;
e4bcb14c 1126 }
5c6c3a6c 1127
1dae12e6 1128 if (bdrv_key_required(dinfo->bdrv))
c0f4ce77 1129 autostart = 0;
751c6a17
GH
1130 *fatal_error = 0;
1131 return dinfo;
e4bcb14c
TS
1132}
1133
9dfd7c7a
GH
1134static int drive_init_func(QemuOpts *opts, void *opaque)
1135{
a803cb8e 1136 int *use_scsi = opaque;
9dfd7c7a
GH
1137 int fatal_error = 0;
1138
a803cb8e 1139 if (drive_init(opts, *use_scsi, &fatal_error) == NULL) {
9dfd7c7a
GH
1140 if (fatal_error)
1141 return 1;
1142 }
1143 return 0;
1144}
1145
1146static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1147{
1148 if (NULL == qemu_opt_get(opts, "snapshot")) {
1149 qemu_opt_set(opts, "snapshot", "on");
1150 }
1151 return 0;
1152}
1153
76e30d0f
JK
1154void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1155{
1156 boot_set_handler = func;
1157 boot_set_opaque = opaque;
1158}
1159
1160int qemu_boot_set(const char *boot_devices)
1161{
1162 if (!boot_set_handler) {
1163 return -EINVAL;
1164 }
1165 return boot_set_handler(boot_set_opaque, boot_devices);
1166}
1167
4e9e9d6e 1168static void validate_bootdevices(char *devices)
ef3adf68
JK
1169{
1170 /* We just do some generic consistency checks */
1171 const char *p;
1172 int bitmap = 0;
1173
1174 for (p = devices; *p != '\0'; p++) {
1175 /* Allowed boot devices are:
1176 * a-b: floppy disk drives
1177 * c-f: IDE disk drives
1178 * g-m: machine implementation dependant drives
1179 * n-p: network devices
1180 * It's up to each machine implementation to check if the given boot
1181 * devices match the actual hardware implementation and firmware
1182 * features.
1183 */
1184 if (*p < 'a' || *p > 'p') {
1185 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1186 exit(1);
1187 }
1188 if (bitmap & (1 << (*p - 'a'))) {
1189 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1190 exit(1);
1191 }
1192 bitmap |= 1 << (*p - 'a');
1193 }
ef3adf68
JK
1194}
1195
e0f084bf
JK
1196static void restore_boot_devices(void *opaque)
1197{
1198 char *standard_boot_devices = opaque;
37905d6a
AW
1199 static int first = 1;
1200
1201 /* Restore boot order and remove ourselves after the first boot */
1202 if (first) {
1203 first = 0;
1204 return;
1205 }
e0f084bf
JK
1206
1207 qemu_boot_set(standard_boot_devices);
1208
1209 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1210 qemu_free(standard_boot_devices);
1211}
1212
268a362c
AL
1213static void numa_add(const char *optarg)
1214{
1215 char option[128];
1216 char *endptr;
1217 unsigned long long value, endvalue;
1218 int nodenr;
1219
1220 optarg = get_opt_name(option, 128, optarg, ',') + 1;
1221 if (!strcmp(option, "node")) {
1222 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1223 nodenr = nb_numa_nodes;
1224 } else {
1225 nodenr = strtoull(option, NULL, 10);
1226 }
1227
1228 if (get_param_value(option, 128, "mem", optarg) == 0) {
1229 node_mem[nodenr] = 0;
1230 } else {
1231 value = strtoull(option, &endptr, 0);
1232 switch (*endptr) {
1233 case 0: case 'M': case 'm':
1234 value <<= 20;
1235 break;
1236 case 'G': case 'g':
1237 value <<= 30;
1238 break;
1239 }
1240 node_mem[nodenr] = value;
1241 }
1242 if (get_param_value(option, 128, "cpus", optarg) == 0) {
1243 node_cpumask[nodenr] = 0;
1244 } else {
1245 value = strtoull(option, &endptr, 10);
1246 if (value >= 64) {
1247 value = 63;
1248 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
1249 } else {
1250 if (*endptr == '-') {
1251 endvalue = strtoull(endptr+1, &endptr, 10);
1252 if (endvalue >= 63) {
1253 endvalue = 62;
1254 fprintf(stderr,
1255 "only 63 CPUs in NUMA mode supported.\n");
1256 }
0dfbd514 1257 value = (2ULL << endvalue) - (1ULL << value);
268a362c 1258 } else {
0dfbd514 1259 value = 1ULL << value;
268a362c
AL
1260 }
1261 }
1262 node_cpumask[nodenr] = value;
1263 }
1264 nb_numa_nodes++;
1265 }
1266 return;
1267}
1268
dc6b1c09
AP
1269static void smp_parse(const char *optarg)
1270{
1271 int smp, sockets = 0, threads = 0, cores = 0;
1272 char *endptr;
1273 char option[128];
1274
1275 smp = strtoul(optarg, &endptr, 10);
1276 if (endptr != optarg) {
1277 if (*endptr == ',') {
1278 endptr++;
1279 }
1280 }
1281 if (get_param_value(option, 128, "sockets", endptr) != 0)
1282 sockets = strtoull(option, NULL, 10);
1283 if (get_param_value(option, 128, "cores", endptr) != 0)
1284 cores = strtoull(option, NULL, 10);
1285 if (get_param_value(option, 128, "threads", endptr) != 0)
1286 threads = strtoull(option, NULL, 10);
1287 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1288 max_cpus = strtoull(option, NULL, 10);
1289
1290 /* compute missing values, prefer sockets over cores over threads */
1291 if (smp == 0 || sockets == 0) {
1292 sockets = sockets > 0 ? sockets : 1;
1293 cores = cores > 0 ? cores : 1;
1294 threads = threads > 0 ? threads : 1;
1295 if (smp == 0) {
1296 smp = cores * threads * sockets;
dc6b1c09
AP
1297 }
1298 } else {
1299 if (cores == 0) {
1300 threads = threads > 0 ? threads : 1;
1301 cores = smp / (sockets * threads);
1302 } else {
5cdc9b76 1303 if (sockets) {
dc6b1c09
AP
1304 threads = smp / (cores * sockets);
1305 }
1306 }
1307 }
1308 smp_cpus = smp;
1309 smp_cores = cores > 0 ? cores : 1;
1310 smp_threads = threads > 0 ? threads : 1;
1311 if (max_cpus == 0)
1312 max_cpus = smp_cpus;
1313}
1314
a594cfbf
FB
1315/***********************************************************/
1316/* USB devices */
1317
fb08000c 1318static int usb_device_add(const char *devname)
a594cfbf
FB
1319{
1320 const char *p;
a5d2f727 1321 USBDevice *dev = NULL;
a594cfbf 1322
a5d2f727 1323 if (!usb_enabled)
a594cfbf
FB
1324 return -1;
1325
0958b4cc
GH
1326 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1327 dev = usbdevice_create(devname);
1328 if (dev)
1329 goto done;
1330
a5d2f727 1331 /* the other ones */
a594cfbf
FB
1332 if (strstart(devname, "host:", &p)) {
1333 dev = usb_host_device_open(p);
dc72ac14
AZ
1334 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1335 dev = usb_bt_init(devname[2] ? hci_init(p) :
1336 bt_new_hci(qemu_find_bt_vlan(0)));
a594cfbf
FB
1337 } else {
1338 return -1;
1339 }
0d92ed30
PB
1340 if (!dev)
1341 return -1;
1342
a5d2f727 1343done:
a594cfbf
FB
1344 return 0;
1345}
1346
1f3870ab
AL
1347static int usb_device_del(const char *devname)
1348{
1349 int bus_num, addr;
1350 const char *p;
1351
5d0c5750
AL
1352 if (strstart(devname, "host:", &p))
1353 return usb_host_device_close(p);
1354
a5d2f727 1355 if (!usb_enabled)
1f3870ab
AL
1356 return -1;
1357
1358 p = strchr(devname, '.');
1359 if (!p)
1360 return -1;
1361 bus_num = strtoul(devname, NULL, 0);
1362 addr = strtoul(p + 1, NULL, 0);
1363
a5d2f727 1364 return usb_device_delete_addr(bus_num, addr);
1f3870ab
AL
1365}
1366
bd3c948d
GH
1367static int usb_parse(const char *cmdline)
1368{
59d1c1c2 1369 int r;
fb08000c 1370 r = usb_device_add(cmdline);
59d1c1c2
ST
1371 if (r < 0) {
1372 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1373 }
1374 return r;
bd3c948d
GH
1375}
1376
d54908a5 1377void do_usb_add(Monitor *mon, const QDict *qdict)
a594cfbf 1378{
59d1c1c2 1379 const char *devname = qdict_get_str(qdict, "devname");
fb08000c 1380 if (usb_device_add(devname) < 0) {
1ecda02b 1381 error_report("could not add USB device '%s'", devname);
59d1c1c2 1382 }
a594cfbf
FB
1383}
1384
d54908a5 1385void do_usb_del(Monitor *mon, const QDict *qdict)
a594cfbf 1386{
59d1c1c2
ST
1387 const char *devname = qdict_get_str(qdict, "devname");
1388 if (usb_device_del(devname) < 0) {
1ecda02b 1389 error_report("could not delete USB device '%s'", devname);
59d1c1c2 1390 }
a594cfbf
FB
1391}
1392
201a51fc
AZ
1393/***********************************************************/
1394/* PCMCIA/Cardbus */
1395
1396static struct pcmcia_socket_entry_s {
bc24a225 1397 PCMCIASocket *socket;
201a51fc
AZ
1398 struct pcmcia_socket_entry_s *next;
1399} *pcmcia_sockets = 0;
1400
bc24a225 1401void pcmcia_socket_register(PCMCIASocket *socket)
201a51fc
AZ
1402{
1403 struct pcmcia_socket_entry_s *entry;
1404
1405 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1406 entry->socket = socket;
1407 entry->next = pcmcia_sockets;
1408 pcmcia_sockets = entry;
1409}
1410
bc24a225 1411void pcmcia_socket_unregister(PCMCIASocket *socket)
201a51fc
AZ
1412{
1413 struct pcmcia_socket_entry_s *entry, **ptr;
1414
1415 ptr = &pcmcia_sockets;
1416 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1417 if (entry->socket == socket) {
1418 *ptr = entry->next;
1419 qemu_free(entry);
1420 }
1421}
1422
376253ec 1423void pcmcia_info(Monitor *mon)
201a51fc
AZ
1424{
1425 struct pcmcia_socket_entry_s *iter;
376253ec 1426
201a51fc 1427 if (!pcmcia_sockets)
376253ec 1428 monitor_printf(mon, "No PCMCIA sockets\n");
201a51fc
AZ
1429
1430 for (iter = pcmcia_sockets; iter; iter = iter->next)
376253ec
AL
1431 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1432 iter->socket->attached ? iter->socket->card_string :
1433 "Empty");
201a51fc
AZ
1434}
1435
2ff89790 1436/***********************************************************/
8a7ddc38 1437/* I/O handling */
0824d6fc 1438
c4b1fcc0
FB
1439typedef struct IOHandlerRecord {
1440 int fd;
7b27a769 1441 IOCanReadHandler *fd_read_poll;
7c9d8e07
FB
1442 IOHandler *fd_read;
1443 IOHandler *fd_write;
cafffd40 1444 int deleted;
c4b1fcc0
FB
1445 void *opaque;
1446 /* temporary data */
1447 struct pollfd *ufd;
31d4ee6c 1448 QLIST_ENTRY(IOHandlerRecord) next;
c4b1fcc0
FB
1449} IOHandlerRecord;
1450
31d4ee6c
JQ
1451static QLIST_HEAD(, IOHandlerRecord) io_handlers =
1452 QLIST_HEAD_INITIALIZER(io_handlers);
1453
c4b1fcc0 1454
7c9d8e07
FB
1455/* XXX: fd_read_poll should be suppressed, but an API change is
1456 necessary in the character devices to suppress fd_can_read(). */
5fafdf24 1457int qemu_set_fd_handler2(int fd,
7b27a769 1458 IOCanReadHandler *fd_read_poll,
5fafdf24
TS
1459 IOHandler *fd_read,
1460 IOHandler *fd_write,
7c9d8e07 1461 void *opaque)
c4b1fcc0 1462{
31d4ee6c 1463 IOHandlerRecord *ioh;
c4b1fcc0 1464
7c9d8e07 1465 if (!fd_read && !fd_write) {
31d4ee6c 1466 QLIST_FOREACH(ioh, &io_handlers, next) {
7c9d8e07 1467 if (ioh->fd == fd) {
cafffd40 1468 ioh->deleted = 1;
7c9d8e07
FB
1469 break;
1470 }
7c9d8e07
FB
1471 }
1472 } else {
31d4ee6c 1473 QLIST_FOREACH(ioh, &io_handlers, next) {
7c9d8e07
FB
1474 if (ioh->fd == fd)
1475 goto found;
1476 }
1477 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
31d4ee6c 1478 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
7c9d8e07
FB
1479 found:
1480 ioh->fd = fd;
1481 ioh->fd_read_poll = fd_read_poll;
1482 ioh->fd_read = fd_read;
1483 ioh->fd_write = fd_write;
1484 ioh->opaque = opaque;
cafffd40 1485 ioh->deleted = 0;
7c9d8e07 1486 }
c4b1fcc0
FB
1487 return 0;
1488}
1489
5fafdf24
TS
1490int qemu_set_fd_handler(int fd,
1491 IOHandler *fd_read,
1492 IOHandler *fd_write,
7c9d8e07 1493 void *opaque)
8a7ddc38 1494{
7c9d8e07 1495 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
8a7ddc38
FB
1496}
1497
56f3a5d0 1498#ifdef _WIN32
f331110f
FB
1499/***********************************************************/
1500/* Polling handling */
1501
1502typedef struct PollingEntry {
1503 PollingFunc *func;
1504 void *opaque;
1505 struct PollingEntry *next;
1506} PollingEntry;
1507
1508static PollingEntry *first_polling_entry;
1509
1510int qemu_add_polling_cb(PollingFunc *func, void *opaque)
1511{
1512 PollingEntry **ppe, *pe;
1513 pe = qemu_mallocz(sizeof(PollingEntry));
f331110f
FB
1514 pe->func = func;
1515 pe->opaque = opaque;
1516 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
1517 *ppe = pe;
1518 return 0;
1519}
1520
1521void qemu_del_polling_cb(PollingFunc *func, void *opaque)
1522{
1523 PollingEntry **ppe, *pe;
1524 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
1525 pe = *ppe;
1526 if (pe->func == func && pe->opaque == opaque) {
1527 *ppe = pe->next;
1528 qemu_free(pe);
1529 break;
1530 }
1531 }
1532}
1533
a18e524a
FB
1534/***********************************************************/
1535/* Wait objects support */
1536typedef struct WaitObjects {
1537 int num;
1538 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
1539 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
1540 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
1541} WaitObjects;
1542
1543static WaitObjects wait_objects = {0};
3b46e624 1544
a18e524a
FB
1545int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
1546{
1547 WaitObjects *w = &wait_objects;
1548
1549 if (w->num >= MAXIMUM_WAIT_OBJECTS)
1550 return -1;
1551 w->events[w->num] = handle;
1552 w->func[w->num] = func;
1553 w->opaque[w->num] = opaque;
1554 w->num++;
1555 return 0;
1556}
1557
1558void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
1559{
1560 int i, found;
1561 WaitObjects *w = &wait_objects;
1562
1563 found = 0;
1564 for (i = 0; i < w->num; i++) {
1565 if (w->events[i] == handle)
1566 found = 1;
1567 if (found) {
1568 w->events[i] = w->events[i + 1];
1569 w->func[i] = w->func[i + 1];
1570 w->opaque[i] = w->opaque[i + 1];
3b46e624 1571 }
a18e524a
FB
1572 }
1573 if (found)
1574 w->num--;
1575}
1576#endif
1577
cc1daa40
FB
1578/***********************************************************/
1579/* machine registration */
1580
bdaf78e0 1581static QEMUMachine *first_machine = NULL;
6f338c34 1582QEMUMachine *current_machine = NULL;
cc1daa40
FB
1583
1584int qemu_register_machine(QEMUMachine *m)
1585{
1586 QEMUMachine **pm;
1587 pm = &first_machine;
1588 while (*pm != NULL)
1589 pm = &(*pm)->next;
1590 m->next = NULL;
1591 *pm = m;
1592 return 0;
1593}
1594
9596ebb7 1595static QEMUMachine *find_machine(const char *name)
cc1daa40
FB
1596{
1597 QEMUMachine *m;
1598
1599 for(m = first_machine; m != NULL; m = m->next) {
1600 if (!strcmp(m->name, name))
1601 return m;
3f6599e6
MM
1602 if (m->alias && !strcmp(m->alias, name))
1603 return m;
cc1daa40
FB
1604 }
1605 return NULL;
1606}
1607
0c257437
AL
1608static QEMUMachine *find_default_machine(void)
1609{
1610 QEMUMachine *m;
1611
1612 for(m = first_machine; m != NULL; m = m->next) {
1613 if (m->is_default) {
1614 return m;
1615 }
1616 }
1617 return NULL;
1618}
1619
8a7ddc38
FB
1620/***********************************************************/
1621/* main execution loop */
1622
9596ebb7 1623static void gui_update(void *opaque)
8a7ddc38 1624{
7d957bd8 1625 uint64_t interval = GUI_REFRESH_INTERVAL;
740733bb 1626 DisplayState *ds = opaque;
7d957bd8
AL
1627 DisplayChangeListener *dcl = ds->listeners;
1628
62a2744c 1629 qemu_flush_coalesced_mmio_buffer();
7d957bd8
AL
1630 dpy_refresh(ds);
1631
1632 while (dcl != NULL) {
1633 if (dcl->gui_timer_interval &&
1634 dcl->gui_timer_interval < interval)
1635 interval = dcl->gui_timer_interval;
1636 dcl = dcl->next;
1637 }
1638 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
8a7ddc38
FB
1639}
1640
9043b62d
BS
1641static void nographic_update(void *opaque)
1642{
1643 uint64_t interval = GUI_REFRESH_INTERVAL;
1644
62a2744c 1645 qemu_flush_coalesced_mmio_buffer();
9043b62d
BS
1646 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1647}
1648
0bd48850
FB
1649struct vm_change_state_entry {
1650 VMChangeStateHandler *cb;
1651 void *opaque;
72cf2d4f 1652 QLIST_ENTRY (vm_change_state_entry) entries;
0bd48850
FB
1653};
1654
72cf2d4f 1655static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
0bd48850
FB
1656
1657VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1658 void *opaque)
1659{
1660 VMChangeStateEntry *e;
1661
1662 e = qemu_mallocz(sizeof (*e));
0bd48850
FB
1663
1664 e->cb = cb;
1665 e->opaque = opaque;
72cf2d4f 1666 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
0bd48850
FB
1667 return e;
1668}
1669
1670void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1671{
72cf2d4f 1672 QLIST_REMOVE (e, entries);
0bd48850
FB
1673 qemu_free (e);
1674}
1675
296af7c9 1676void vm_state_notify(int running, int reason)
0bd48850
FB
1677{
1678 VMChangeStateEntry *e;
1679
1680 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
9781e040 1681 e->cb(e->opaque, running, reason);
0bd48850
FB
1682 }
1683}
1684
8a7ddc38
FB
1685void vm_start(void)
1686{
1687 if (!vm_running) {
1688 cpu_enable_ticks();
1689 vm_running = 1;
9781e040 1690 vm_state_notify(1, 0);
d6dc3d42 1691 resume_all_vcpus();
6ed2c484 1692 monitor_protocol_event(QEVENT_RESUME, NULL);
8a7ddc38
FB
1693 }
1694}
1695
bb0c6722
FB
1696/* reset/shutdown handler */
1697
1698typedef struct QEMUResetEntry {
72cf2d4f 1699 QTAILQ_ENTRY(QEMUResetEntry) entry;
bb0c6722
FB
1700 QEMUResetHandler *func;
1701 void *opaque;
bb0c6722
FB
1702} QEMUResetEntry;
1703
72cf2d4f
BS
1704static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1705 QTAILQ_HEAD_INITIALIZER(reset_handlers);
bb0c6722
FB
1706static int reset_requested;
1707static int shutdown_requested;
3475187d 1708static int powerdown_requested;
296af7c9 1709int debug_requested;
7277e027 1710int vmstop_requested;
bb0c6722 1711
cf7a2fe2
AJ
1712int qemu_shutdown_requested(void)
1713{
1714 int r = shutdown_requested;
1715 shutdown_requested = 0;
1716 return r;
1717}
1718
1719int qemu_reset_requested(void)
1720{
1721 int r = reset_requested;
1722 reset_requested = 0;
1723 return r;
1724}
1725
1726int qemu_powerdown_requested(void)
1727{
1728 int r = powerdown_requested;
1729 powerdown_requested = 0;
1730 return r;
1731}
1732
e568902a
AL
1733static int qemu_debug_requested(void)
1734{
1735 int r = debug_requested;
1736 debug_requested = 0;
1737 return r;
1738}
1739
6e29f5da
AL
1740static int qemu_vmstop_requested(void)
1741{
1742 int r = vmstop_requested;
1743 vmstop_requested = 0;
1744 return r;
1745}
1746
a08d4367 1747void qemu_register_reset(QEMUResetHandler *func, void *opaque)
bb0c6722 1748{
55ddfe8e 1749 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
bb0c6722 1750
bb0c6722
FB
1751 re->func = func;
1752 re->opaque = opaque;
72cf2d4f 1753 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
bb0c6722
FB
1754}
1755
dda9b29f 1756void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
bb0c6722
FB
1757{
1758 QEMUResetEntry *re;
1759
72cf2d4f 1760 QTAILQ_FOREACH(re, &reset_handlers, entry) {
dda9b29f 1761 if (re->func == func && re->opaque == opaque) {
72cf2d4f 1762 QTAILQ_REMOVE(&reset_handlers, re, entry);
dda9b29f
JK
1763 qemu_free(re);
1764 return;
1765 }
1766 }
1767}
1768
1769void qemu_system_reset(void)
1770{
1771 QEMUResetEntry *re, *nre;
1772
1773 /* reset all devices */
72cf2d4f 1774 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
bb0c6722
FB
1775 re->func(re->opaque);
1776 }
81d9b784 1777 monitor_protocol_event(QEVENT_RESET, NULL);
ea375f9a 1778 cpu_synchronize_all_post_reset();
bb0c6722
FB
1779}
1780
1781void qemu_system_reset_request(void)
1782{
d1beab82
FB
1783 if (no_reboot) {
1784 shutdown_requested = 1;
1785 } else {
1786 reset_requested = 1;
1787 }
d9f75a4e 1788 qemu_notify_event();
bb0c6722
FB
1789}
1790
1791void qemu_system_shutdown_request(void)
1792{
1793 shutdown_requested = 1;
d9f75a4e 1794 qemu_notify_event();
bb0c6722
FB
1795}
1796
3475187d
FB
1797void qemu_system_powerdown_request(void)
1798{
1799 powerdown_requested = 1;
d9f75a4e
AL
1800 qemu_notify_event();
1801}
1802
877cf882 1803#ifdef _WIN32
69d6451c 1804static void host_main_loop_wait(int *timeout)
56f3a5d0
AL
1805{
1806 int ret, ret2, i;
f331110f
FB
1807 PollingEntry *pe;
1808
c4b1fcc0 1809
f331110f
FB
1810 /* XXX: need to suppress polling by better using win32 events */
1811 ret = 0;
1812 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
1813 ret |= pe->func(pe->opaque);
1814 }
e6b1e558 1815 if (ret == 0) {
a18e524a
FB
1816 int err;
1817 WaitObjects *w = &wait_objects;
3b46e624 1818
56f3a5d0 1819 ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
a18e524a
FB
1820 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
1821 if (w->func[ret - WAIT_OBJECT_0])
1822 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
3b46e624 1823
5fafdf24 1824 /* Check for additional signaled events */
e6b1e558 1825 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
3b46e624 1826
e6b1e558
TS
1827 /* Check if event is signaled */
1828 ret2 = WaitForSingleObject(w->events[i], 0);
1829 if(ret2 == WAIT_OBJECT_0) {
1830 if (w->func[i])
1831 w->func[i](w->opaque[i]);
1832 } else if (ret2 == WAIT_TIMEOUT) {
1833 } else {
1834 err = GetLastError();
1835 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
3b46e624
TS
1836 }
1837 }
a18e524a
FB
1838 } else if (ret == WAIT_TIMEOUT) {
1839 } else {
1840 err = GetLastError();
e6b1e558 1841 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
a18e524a 1842 }
f331110f 1843 }
56f3a5d0
AL
1844
1845 *timeout = 0;
1846}
1847#else
69d6451c 1848static void host_main_loop_wait(int *timeout)
56f3a5d0
AL
1849{
1850}
fd1dff4b 1851#endif
56f3a5d0 1852
d6f4ade2 1853void main_loop_wait(int nonblocking)
56f3a5d0
AL
1854{
1855 IOHandlerRecord *ioh;
1856 fd_set rfds, wfds, xfds;
1857 int ret, nfds;
1858 struct timeval tv;
d6f4ade2 1859 int timeout;
56f3a5d0 1860
d6f4ade2
PB
1861 if (nonblocking)
1862 timeout = 0;
1863 else {
1864 timeout = qemu_calculate_timeout();
1865 qemu_bh_update_timeout(&timeout);
1866 }
56f3a5d0
AL
1867
1868 host_main_loop_wait(&timeout);
1869
fd1dff4b
FB
1870 /* poll any events */
1871 /* XXX: separate device handlers from system ones */
6abfbd79 1872 nfds = -1;
fd1dff4b
FB
1873 FD_ZERO(&rfds);
1874 FD_ZERO(&wfds);
e035649e 1875 FD_ZERO(&xfds);
31d4ee6c 1876 QLIST_FOREACH(ioh, &io_handlers, next) {
cafffd40
TS
1877 if (ioh->deleted)
1878 continue;
fd1dff4b
FB
1879 if (ioh->fd_read &&
1880 (!ioh->fd_read_poll ||
1881 ioh->fd_read_poll(ioh->opaque) != 0)) {
1882 FD_SET(ioh->fd, &rfds);
1883 if (ioh->fd > nfds)
1884 nfds = ioh->fd;
1885 }
1886 if (ioh->fd_write) {
1887 FD_SET(ioh->fd, &wfds);
1888 if (ioh->fd > nfds)
1889 nfds = ioh->fd;
1890 }
1891 }
3b46e624 1892
56f3a5d0
AL
1893 tv.tv_sec = timeout / 1000;
1894 tv.tv_usec = (timeout % 1000) * 1000;
1895
d918f23e
JK
1896 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1897
4870852c 1898 qemu_mutex_unlock_iothread();
e035649e 1899 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
4870852c 1900 qemu_mutex_lock_iothread();
fd1dff4b 1901 if (ret > 0) {
31d4ee6c 1902 IOHandlerRecord *pioh;
cafffd40 1903
31d4ee6c 1904 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
cafffd40 1905 if (ioh->deleted) {
31d4ee6c 1906 QLIST_REMOVE(ioh, next);
cafffd40 1907 qemu_free(ioh);
4bed9837
JQ
1908 continue;
1909 }
1910 if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1911 ioh->fd_read(ioh->opaque);
1912 }
1913 if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1914 ioh->fd_write(ioh->opaque);
31d4ee6c 1915 }
cafffd40 1916 }
fd1dff4b 1917 }
d918f23e
JK
1918
1919 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
b4608c04 1920
b6964827 1921 qemu_run_all_timers();
21d5d12b 1922
423f0742
PB
1923 /* Check bottom-halves last in case any of the earlier events triggered
1924 them. */
1925 qemu_bh_poll();
3b46e624 1926
5905b2e5
FB
1927}
1928
43b96858
AL
1929static int vm_can_run(void)
1930{
1931 if (powerdown_requested)
1932 return 0;
1933 if (reset_requested)
1934 return 0;
1935 if (shutdown_requested)
1936 return 0;
e568902a
AL
1937 if (debug_requested)
1938 return 0;
43b96858
AL
1939 return 1;
1940}
1941
d9c32310
BS
1942qemu_irq qemu_system_powerdown;
1943
43b96858
AL
1944static void main_loop(void)
1945{
6e29f5da 1946 int r;
e6e35b1e 1947
7277e027 1948 qemu_main_loop_start();
d6dc3d42 1949
6e29f5da 1950 for (;;) {
43b96858 1951 do {
d6f4ade2 1952 bool nonblocking = false;
e6e35b1e
AL
1953#ifdef CONFIG_PROFILER
1954 int64_t ti;
1955#endif
d6dc3d42 1956#ifndef CONFIG_IOTHREAD
d6f4ade2 1957 nonblocking = tcg_cpu_exec();
d6dc3d42 1958#endif
89bfc105 1959#ifdef CONFIG_PROFILER
43b96858 1960 ti = profile_getclock();
89bfc105 1961#endif
d6f4ade2 1962 main_loop_wait(nonblocking);
89bfc105 1963#ifdef CONFIG_PROFILER
43b96858 1964 dev_time += profile_getclock() - ti;
89bfc105 1965#endif
e568902a 1966 } while (vm_can_run());
43b96858 1967
54fc6ea9
BS
1968 if ((r = qemu_debug_requested())) {
1969 vm_stop(r);
b1a15e7e 1970 }
43b96858 1971 if (qemu_shutdown_requested()) {
242cd003 1972 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
43b96858
AL
1973 if (no_shutdown) {
1974 vm_stop(0);
1975 no_shutdown = 0;
1976 } else
1977 break;
1978 }
d6dc3d42
AL
1979 if (qemu_reset_requested()) {
1980 pause_all_vcpus();
43b96858 1981 qemu_system_reset();
d6dc3d42
AL
1982 resume_all_vcpus();
1983 }
d9c32310 1984 if (qemu_powerdown_requested()) {
242cd003 1985 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
d9c32310
BS
1986 qemu_irq_raise(qemu_system_powerdown);
1987 }
b1a15e7e 1988 if ((r = qemu_vmstop_requested())) {
6e29f5da 1989 vm_stop(r);
b1a15e7e 1990 }
b4608c04 1991 }
2bc93fed 1992 bdrv_close_all();
d6dc3d42 1993 pause_all_vcpus();
b4608c04
FB
1994}
1995
9bd7e6d9
PB
1996static void version(void)
1997{
f75ca1ae 1998 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
9bd7e6d9
PB
1999}
2000
15f82208 2001static void help(int exitcode)
0824d6fc 2002{
e8105ebb 2003 const char *options_help =
ad96090a
BS
2004#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
2005 opt_help
5824d651
BS
2006#define DEFHEADING(text) stringify(text) "\n"
2007#include "qemu-options.h"
2008#undef DEF
2009#undef DEFHEADING
2010#undef GEN_DOCS
e8105ebb
PB
2011 ;
2012 version();
2013 printf("usage: %s [options] [disk_image]\n"
2014 "\n"
f75ca1ae 2015 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
3f020d70 2016 "\n"
e8105ebb 2017 "%s\n"
3f020d70 2018 "During emulation, the following keys are useful:\n"
2019 "ctrl-alt-f toggle full screen\n"
2020 "ctrl-alt-n switch to virtual console 'n'\n"
2021 "ctrl-alt toggle mouse and keyboard grab\n"
2022 "\n"
e8105ebb
PB
2023 "When using -nographic, press 'ctrl-a h' to get some help.\n",
2024 "qemu",
2025 options_help);
15f82208 2026 exit(exitcode);
0824d6fc
FB
2027}
2028
cd6f1169
FB
2029#define HAS_ARG 0x0001
2030
2031enum {
ad96090a 2032#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
5824d651
BS
2033 opt_enum,
2034#define DEFHEADING(text)
2035#include "qemu-options.h"
2036#undef DEF
2037#undef DEFHEADING
2038#undef GEN_DOCS
cd6f1169
FB
2039};
2040
2041typedef struct QEMUOption {
2042 const char *name;
2043 int flags;
2044 int index;
ad96090a 2045 uint32_t arch_mask;
cd6f1169
FB
2046} QEMUOption;
2047
dbed7e40 2048static const QEMUOption qemu_options[] = {
ad96090a
BS
2049 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2050#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
2051 { option, opt_arg, opt_enum, arch_mask },
5824d651
BS
2052#define DEFHEADING(text)
2053#include "qemu-options.h"
2054#undef DEF
2055#undef DEFHEADING
2056#undef GEN_DOCS
cd6f1169 2057 { NULL },
fc01f7e7 2058};
3893c124 2059static void select_vgahw (const char *p)
2060{
2061 const char *opts;
2062
64465297 2063 default_vga = 0;
86176759 2064 vga_interface_type = VGA_NONE;
3893c124 2065 if (strstart(p, "std", &opts)) {
86176759 2066 vga_interface_type = VGA_STD;
3893c124 2067 } else if (strstart(p, "cirrus", &opts)) {
86176759 2068 vga_interface_type = VGA_CIRRUS;
3893c124 2069 } else if (strstart(p, "vmware", &opts)) {
86176759 2070 vga_interface_type = VGA_VMWARE;
94909d9f 2071 } else if (strstart(p, "xenfb", &opts)) {
86176759 2072 vga_interface_type = VGA_XENFB;
28b85ed8 2073 } else if (!strstart(p, "none", &opts)) {
3893c124 2074 invalid_vga:
2075 fprintf(stderr, "Unknown vga type: %s\n", p);
2076 exit(1);
2077 }
cb5a7aa8 2078 while (*opts) {
2079 const char *nextopt;
2080
2081 if (strstart(opts, ",retrace=", &nextopt)) {
2082 opts = nextopt;
2083 if (strstart(opts, "dumb", &nextopt))
2084 vga_retrace_method = VGA_RETRACE_DUMB;
2085 else if (strstart(opts, "precise", &nextopt))
2086 vga_retrace_method = VGA_RETRACE_PRECISE;
2087 else goto invalid_vga;
2088 } else goto invalid_vga;
2089 opts = nextopt;
2090 }
3893c124 2091}
2092
7d4c3d53
MA
2093static int balloon_parse(const char *arg)
2094{
382f0743 2095 QemuOpts *opts;
7d4c3d53 2096
382f0743
GH
2097 if (strcmp(arg, "none") == 0) {
2098 return 0;
2099 }
2100
2101 if (!strncmp(arg, "virtio", 6)) {
2102 if (arg[6] == ',') {
2103 /* have params -> parse them */
8212c64f 2104 opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
382f0743
GH
2105 if (!opts)
2106 return -1;
2107 } else {
2108 /* create empty opts */
2109 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
7d4c3d53 2110 }
382f0743
GH
2111 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
2112 return 0;
7d4c3d53 2113 }
382f0743
GH
2114
2115 return -1;
7d4c3d53 2116}
7d4c3d53 2117
3587d7e6
FB
2118#ifdef _WIN32
2119static BOOL WINAPI qemu_ctrl_handler(DWORD type)
2120{
2121 exit(STATUS_CONTROL_C_EXIT);
2122 return TRUE;
2123}
2124#endif
2125
5b08fc10
AL
2126#ifndef _WIN32
2127
2128static void termsig_handler(int signal)
2129{
2130 qemu_system_shutdown_request();
2131}
2132
7c3370d4
JK
2133static void sigchld_handler(int signal)
2134{
2135 waitpid(-1, NULL, WNOHANG);
2136}
2137
2138static void sighandler_setup(void)
5b08fc10
AL
2139{
2140 struct sigaction act;
2141
2142 memset(&act, 0, sizeof(act));
2143 act.sa_handler = termsig_handler;
2144 sigaction(SIGINT, &act, NULL);
2145 sigaction(SIGHUP, &act, NULL);
2146 sigaction(SIGTERM, &act, NULL);
7c3370d4
JK
2147
2148 act.sa_handler = sigchld_handler;
2149 act.sa_flags = SA_NOCLDSTOP;
2150 sigaction(SIGCHLD, &act, NULL);
5b08fc10
AL
2151}
2152
2153#endif
2154
5cea8590
PB
2155#ifdef _WIN32
2156/* Look for support files in the same directory as the executable. */
2157static char *find_datadir(const char *argv0)
2158{
2159 char *p;
2160 char buf[MAX_PATH];
2161 DWORD len;
2162
2163 len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
2164 if (len == 0) {
c5947808 2165 return NULL;
5cea8590
PB
2166 }
2167
2168 buf[len] = 0;
2169 p = buf + len - 1;
2170 while (p != buf && *p != '\\')
2171 p--;
2172 *p = 0;
2173 if (access(buf, R_OK) == 0) {
2174 return qemu_strdup(buf);
2175 }
2176 return NULL;
2177}
2178#else /* !_WIN32 */
2179
2180/* Find a likely location for support files using the location of the binary.
2181 For installed binaries this will be "$bindir/../share/qemu". When
2182 running from the build tree this will be "$bindir/../pc-bios". */
2183#define SHARE_SUFFIX "/share/qemu"
2184#define BUILD_SUFFIX "/pc-bios"
2185static char *find_datadir(const char *argv0)
2186{
2187 char *dir;
2188 char *p = NULL;
2189 char *res;
5cea8590 2190 char buf[PATH_MAX];
3a41759d 2191 size_t max_len;
5cea8590
PB
2192
2193#if defined(__linux__)
2194 {
2195 int len;
2196 len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
2197 if (len > 0) {
2198 buf[len] = 0;
2199 p = buf;
2200 }
2201 }
2202#elif defined(__FreeBSD__)
2203 {
92c0e657
JL
2204 static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
2205 size_t len = sizeof(buf) - 1;
2206
2207 *buf = '\0';
2208 if (!sysctl(mib, sizeof(mib)/sizeof(*mib), buf, &len, NULL, 0) &&
2209 *buf) {
2210 buf[sizeof(buf) - 1] = '\0';
5cea8590
PB
2211 p = buf;
2212 }
2213 }
2214#endif
2215 /* If we don't have any way of figuring out the actual executable
2216 location then try argv[0]. */
2217 if (!p) {
4d224196 2218 p = realpath(argv0, buf);
5cea8590
PB
2219 if (!p) {
2220 return NULL;
2221 }
2222 }
2223 dir = dirname(p);
2224 dir = dirname(dir);
2225
3a41759d
BS
2226 max_len = strlen(dir) +
2227 MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
2228 res = qemu_mallocz(max_len);
2229 snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
5cea8590 2230 if (access(res, R_OK)) {
3a41759d 2231 snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
5cea8590
PB
2232 if (access(res, R_OK)) {
2233 qemu_free(res);
2234 res = NULL;
2235 }
2236 }
4d224196 2237
5cea8590
PB
2238 return res;
2239}
2240#undef SHARE_SUFFIX
2241#undef BUILD_SUFFIX
2242#endif
2243
2244char *qemu_find_file(int type, const char *name)
2245{
2246 int len;
2247 const char *subdir;
2248 char *buf;
2249
2250 /* If name contains path separators then try it as a straight path. */
2251 if ((strchr(name, '/') || strchr(name, '\\'))
2252 && access(name, R_OK) == 0) {
73ffc805 2253 return qemu_strdup(name);
5cea8590
PB
2254 }
2255 switch (type) {
2256 case QEMU_FILE_TYPE_BIOS:
2257 subdir = "";
2258 break;
2259 case QEMU_FILE_TYPE_KEYMAP:
2260 subdir = "keymaps/";
2261 break;
2262 default:
2263 abort();
2264 }
2265 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2266 buf = qemu_mallocz(len);
3a41759d 2267 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
5cea8590
PB
2268 if (access(buf, R_OK)) {
2269 qemu_free(buf);
2270 return NULL;
2271 }
2272 return buf;
2273}
2274
ff952ba2
MA
2275static int device_help_func(QemuOpts *opts, void *opaque)
2276{
2277 return qdev_device_help(opts);
2278}
2279
f31d07d1
GH
2280static int device_init_func(QemuOpts *opts, void *opaque)
2281{
2282 DeviceState *dev;
2283
2284 dev = qdev_device_add(opts);
2285 if (!dev)
2286 return -1;
2287 return 0;
2288}
2289
1a688d3b
GH
2290static int chardev_init_func(QemuOpts *opts, void *opaque)
2291{
2292 CharDriverState *chr;
2293
2294 chr = qemu_chr_open_opts(opts, NULL);
2295 if (!chr)
2296 return -1;
2297 return 0;
2298}
2299
74db920c
GS
2300#ifdef CONFIG_LINUX
2301static int fsdev_init_func(QemuOpts *opts, void *opaque)
2302{
2303 int ret;
2304 ret = qemu_fsdev_add(opts);
2305
2306 return ret;
2307}
2308#endif
2309
88589343
GH
2310static int mon_init_func(QemuOpts *opts, void *opaque)
2311{
2312 CharDriverState *chr;
2313 const char *chardev;
2314 const char *mode;
2315 int flags;
2316
2317 mode = qemu_opt_get(opts, "mode");
2318 if (mode == NULL) {
2319 mode = "readline";
2320 }
2321 if (strcmp(mode, "readline") == 0) {
2322 flags = MONITOR_USE_READLINE;
2323 } else if (strcmp(mode, "control") == 0) {
2324 flags = MONITOR_USE_CONTROL;
2325 } else {
2326 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2327 exit(1);
2328 }
2329
2330 if (qemu_opt_get_bool(opts, "default", 0))
2331 flags |= MONITOR_IS_DEFAULT;
2332
2333 chardev = qemu_opt_get(opts, "chardev");
2334 chr = qemu_chr_find(chardev);
2335 if (chr == NULL) {
2336 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2337 exit(1);
2338 }
2339
2340 monitor_init(chr, flags);
2341 return 0;
2342}
2343
6ca5582d 2344static void monitor_parse(const char *optarg, const char *mode)
88589343
GH
2345{
2346 static int monitor_device_index = 0;
2347 QemuOpts *opts;
2348 const char *p;
2349 char label[32];
2350 int def = 0;
2351
2352 if (strstart(optarg, "chardev:", &p)) {
2353 snprintf(label, sizeof(label), "%s", p);
2354 } else {
140e065d
JK
2355 snprintf(label, sizeof(label), "compat_monitor%d",
2356 monitor_device_index);
2357 if (monitor_device_index == 0) {
88589343
GH
2358 def = 1;
2359 }
2360 opts = qemu_chr_parse_compat(label, optarg);
2361 if (!opts) {
2362 fprintf(stderr, "parse error: %s\n", optarg);
2363 exit(1);
2364 }
2365 }
2366
2367 opts = qemu_opts_create(&qemu_mon_opts, label, 1);
2368 if (!opts) {
2369 fprintf(stderr, "duplicate chardev: %s\n", label);
2370 exit(1);
2371 }
6ca5582d 2372 qemu_opt_set(opts, "mode", mode);
88589343
GH
2373 qemu_opt_set(opts, "chardev", label);
2374 if (def)
2375 qemu_opt_set(opts, "default", "on");
2376 monitor_device_index++;
2377}
2378
bd3c948d
GH
2379struct device_config {
2380 enum {
aee1b935
GH
2381 DEV_USB, /* -usbdevice */
2382 DEV_BT, /* -bt */
2383 DEV_SERIAL, /* -serial */
2384 DEV_PARALLEL, /* -parallel */
2385 DEV_VIRTCON, /* -virtioconsole */
c9f398e5 2386 DEV_DEBUGCON, /* -debugcon */
bd3c948d
GH
2387 } type;
2388 const char *cmdline;
72cf2d4f 2389 QTAILQ_ENTRY(device_config) next;
bd3c948d 2390};
72cf2d4f 2391QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
bd3c948d
GH
2392
2393static void add_device_config(int type, const char *cmdline)
2394{
2395 struct device_config *conf;
2396
2397 conf = qemu_mallocz(sizeof(*conf));
2398 conf->type = type;
2399 conf->cmdline = cmdline;
72cf2d4f 2400 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
bd3c948d
GH
2401}
2402
2403static int foreach_device_config(int type, int (*func)(const char *cmdline))
2404{
2405 struct device_config *conf;
2406 int rc;
2407
72cf2d4f 2408 QTAILQ_FOREACH(conf, &device_configs, next) {
bd3c948d
GH
2409 if (conf->type != type)
2410 continue;
2411 rc = func(conf->cmdline);
2412 if (0 != rc)
2413 return rc;
2414 }
2415 return 0;
2416}
2417
998bbd74
GH
2418static int serial_parse(const char *devname)
2419{
2420 static int index = 0;
2421 char label[32];
2422
2423 if (strcmp(devname, "none") == 0)
2424 return 0;
2425 if (index == MAX_SERIAL_PORTS) {
2426 fprintf(stderr, "qemu: too many serial ports\n");
2427 exit(1);
2428 }
2429 snprintf(label, sizeof(label), "serial%d", index);
2430 serial_hds[index] = qemu_chr_open(label, devname, NULL);
2431 if (!serial_hds[index]) {
2432 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
2433 devname, strerror(errno));
2434 return -1;
2435 }
2436 index++;
2437 return 0;
2438}
2439
6a5e8b0e
GH
2440static int parallel_parse(const char *devname)
2441{
2442 static int index = 0;
2443 char label[32];
2444
2445 if (strcmp(devname, "none") == 0)
2446 return 0;
2447 if (index == MAX_PARALLEL_PORTS) {
2448 fprintf(stderr, "qemu: too many parallel ports\n");
2449 exit(1);
2450 }
2451 snprintf(label, sizeof(label), "parallel%d", index);
2452 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
2453 if (!parallel_hds[index]) {
2454 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2455 devname, strerror(errno));
2456 return -1;
2457 }
2458 index++;
2459 return 0;
2460}
2461
aee1b935
GH
2462static int virtcon_parse(const char *devname)
2463{
2464 static int index = 0;
2465 char label[32];
392ecf54 2466 QemuOpts *bus_opts, *dev_opts;
aee1b935
GH
2467
2468 if (strcmp(devname, "none") == 0)
2469 return 0;
2470 if (index == MAX_VIRTIO_CONSOLES) {
2471 fprintf(stderr, "qemu: too many virtio consoles\n");
2472 exit(1);
2473 }
392ecf54
AS
2474
2475 bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2476 qemu_opt_set(bus_opts, "driver", "virtio-serial");
2477
2478 dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2479 qemu_opt_set(dev_opts, "driver", "virtconsole");
2480
aee1b935
GH
2481 snprintf(label, sizeof(label), "virtcon%d", index);
2482 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
2483 if (!virtcon_hds[index]) {
2484 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2485 devname, strerror(errno));
2486 return -1;
2487 }
392ecf54
AS
2488 qemu_opt_set(dev_opts, "chardev", label);
2489
aee1b935
GH
2490 index++;
2491 return 0;
2492}
2493
c9f398e5
PA
2494static int debugcon_parse(const char *devname)
2495{
2496 QemuOpts *opts;
2497
2498 if (!qemu_chr_open("debugcon", devname, NULL)) {
2499 exit(1);
2500 }
2501 opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1);
2502 if (!opts) {
2503 fprintf(stderr, "qemu: already have a debugcon device\n");
2504 exit(1);
2505 }
2506 qemu_opt_set(opts, "driver", "isa-debugcon");
2507 qemu_opt_set(opts, "chardev", "debugcon");
2508 return 0;
2509}
2510
6530a97b
AL
2511static const QEMUOption *lookup_opt(int argc, char **argv,
2512 const char **poptarg, int *poptind)
2513{
2514 const QEMUOption *popt;
2515 int optind = *poptind;
2516 char *r = argv[optind];
2517 const char *optarg;
2518
0f0bc3f1 2519 loc_set_cmdline(argv, optind, 1);
6530a97b
AL
2520 optind++;
2521 /* Treat --foo the same as -foo. */
2522 if (r[1] == '-')
2523 r++;
2524 popt = qemu_options;
2525 for(;;) {
2526 if (!popt->name) {
0f0bc3f1 2527 error_report("invalid option");
6530a97b
AL
2528 exit(1);
2529 }
2530 if (!strcmp(popt->name, r + 1))
2531 break;
2532 popt++;
2533 }
2534 if (popt->flags & HAS_ARG) {
2535 if (optind >= argc) {
0f0bc3f1 2536 error_report("requires an argument");
6530a97b
AL
2537 exit(1);
2538 }
2539 optarg = argv[optind++];
0f0bc3f1 2540 loc_set_cmdline(argv, optind - 2, 2);
6530a97b
AL
2541 } else {
2542 optarg = NULL;
2543 }
2544
2545 *poptarg = optarg;
2546 *poptind = optind;
2547
2548 return popt;
2549}
2550
902b3d5c 2551int main(int argc, char **argv, char **envp)
0824d6fc 2552{
59030a8c 2553 const char *gdbstub_dev = NULL;
e4bcb14c 2554 int i;
da1fcfda 2555 int snapshot, linux_boot;
4e3de9e9 2556 const char *icount_option = NULL;
7f7f9873 2557 const char *initrd_filename;
a20dd508 2558 const char *kernel_filename, *kernel_cmdline;
195325a4 2559 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
3023f332 2560 DisplayState *ds;
7d957bd8 2561 DisplayChangeListener *dcl;
46d4767d 2562 int cyls, heads, secs, translation;
f31d07d1 2563 QemuOpts *hda_opts = NULL, *opts;
cd6f1169 2564 int optind;
6530a97b 2565 const char *optarg;
d63d307f 2566 const char *loadvm = NULL;
cc1daa40 2567 QEMUMachine *machine;
94fc95cd 2568 const char *cpu_model;
b9e82a59 2569#ifndef _WIN32
71e3ceb8 2570 int fds[2];
b9e82a59 2571#endif
26a5f13b 2572 int tb_size;
93815bc2 2573 const char *pid_file = NULL;
5bb7910a 2574 const char *incoming = NULL;
b9e82a59 2575#ifndef _WIN32
54042bcf
AL
2576 int fd = 0;
2577 struct passwd *pwd = NULL;
0858532e
AL
2578 const char *chroot_dir = NULL;
2579 const char *run_as = NULL;
b9e82a59 2580#endif
993fbfdb 2581 int show_vnc_port = 0;
292444cb 2582 int defconfig = 1;
0bd48850 2583
65abca0a
MA
2584 error_set_progname(argv[0]);
2585
6875204c
JK
2586 init_clocks();
2587
902b3d5c 2588 qemu_cache_utils_init(envp);
2589
72cf2d4f 2590 QLIST_INIT (&vm_change_state_head);
be995c27
FB
2591#ifndef _WIN32
2592 {
2593 struct sigaction act;
2594 sigfillset(&act.sa_mask);
2595 act.sa_flags = 0;
2596 act.sa_handler = SIG_IGN;
2597 sigaction(SIGPIPE, &act, NULL);
2598 }
3587d7e6
FB
2599#else
2600 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
a8e5ac33
FB
2601 /* Note: cpu_interrupt() is currently not SMP safe, so we force
2602 QEMU to run on a single CPU */
2603 {
2604 HANDLE h;
2605 DWORD mask, smask;
2606 int i;
2607 h = GetCurrentProcess();
2608 if (GetProcessAffinityMask(h, &mask, &smask)) {
2609 for(i = 0; i < 32; i++) {
2610 if (mask & (1 << i))
2611 break;
2612 }
2613 if (i != 32) {
2614 mask = 1 << i;
2615 SetProcessAffinityMask(h, mask);
2616 }
2617 }
2618 }
67b915a5 2619#endif
be995c27 2620
f80f9ec9 2621 module_call_init(MODULE_INIT_MACHINE);
0c257437 2622 machine = find_default_machine();
94fc95cd 2623 cpu_model = NULL;
fc01f7e7 2624 initrd_filename = NULL;
4fc5d071 2625 ram_size = 0;
33e3963e 2626 snapshot = 0;
a20dd508
FB
2627 kernel_filename = NULL;
2628 kernel_cmdline = "";
c4b1fcc0 2629 cyls = heads = secs = 0;
46d4767d 2630 translation = BIOS_ATA_TRANSLATION_AUTO;
c4b1fcc0 2631
268a362c
AL
2632 for (i = 0; i < MAX_NODES; i++) {
2633 node_mem[i] = 0;
2634 node_cpumask[i] = 0;
2635 }
2636
268a362c 2637 nb_numa_nodes = 0;
7c9d8e07 2638 nb_nics = 0;
3b46e624 2639
26a5f13b 2640 tb_size = 0;
41bd639b
BS
2641 autostart= 1;
2642
292444cb
AL
2643 /* first pass of option parsing */
2644 optind = 1;
2645 while (optind < argc) {
2646 if (argv[optind][0] != '-') {
2647 /* disk image */
28e68d68 2648 optind++;
292444cb
AL
2649 continue;
2650 } else {
2651 const QEMUOption *popt;
2652
2653 popt = lookup_opt(argc, argv, &optarg, &optind);
2654 switch (popt->index) {
2655 case QEMU_OPTION_nodefconfig:
2656 defconfig=0;
2657 break;
2658 }
2659 }
2660 }
2661
2662 if (defconfig) {
dcfb0939 2663 int ret;
cf5a65aa 2664
dcfb0939 2665 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
019e78ba 2666 if (ret < 0 && ret != -ENOENT) {
dcfb0939 2667 exit(1);
292444cb
AL
2668 }
2669
dcfb0939 2670 ret = qemu_read_config_file(arch_config_name);
019e78ba 2671 if (ret < 0 && ret != -ENOENT) {
dcfb0939 2672 exit(1);
292444cb
AL
2673 }
2674 }
de06f8d1 2675 cpudef_init();
292444cb
AL
2676
2677 /* second pass of option parsing */
cd6f1169 2678 optind = 1;
0824d6fc 2679 for(;;) {
cd6f1169 2680 if (optind >= argc)
0824d6fc 2681 break;
6530a97b 2682 if (argv[optind][0] != '-') {
9dfd7c7a 2683 hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
cd6f1169
FB
2684 } else {
2685 const QEMUOption *popt;
2686
6530a97b 2687 popt = lookup_opt(argc, argv, &optarg, &optind);
ad96090a
BS
2688 if (!(popt->arch_mask & arch_type)) {
2689 printf("Option %s not supported for this target\n", popt->name);
2690 exit(1);
2691 }
cd6f1169 2692 switch(popt->index) {
cc1daa40
FB
2693 case QEMU_OPTION_M:
2694 machine = find_machine(optarg);
2695 if (!machine) {
2696 QEMUMachine *m;
2697 printf("Supported machines are:\n");
2698 for(m = first_machine; m != NULL; m = m->next) {
3f6599e6
MM
2699 if (m->alias)
2700 printf("%-10s %s (alias of %s)\n",
2701 m->alias, m->desc, m->name);
cc1daa40 2702 printf("%-10s %s%s\n",
5fafdf24 2703 m->name, m->desc,
0c257437 2704 m->is_default ? " (default)" : "");
cc1daa40 2705 }
15f82208 2706 exit(*optarg != '?');
cc1daa40
FB
2707 }
2708 break;
94fc95cd
JM
2709 case QEMU_OPTION_cpu:
2710 /* hw initialization will check this */
15f82208 2711 if (*optarg == '?') {
262353cb 2712 list_cpus(stdout, &fprintf, optarg);
15f82208 2713 exit(0);
94fc95cd
JM
2714 } else {
2715 cpu_model = optarg;
2716 }
2717 break;
cd6f1169 2718 case QEMU_OPTION_initrd:
fc01f7e7
FB
2719 initrd_filename = optarg;
2720 break;
cd6f1169 2721 case QEMU_OPTION_hda:
e4bcb14c 2722 if (cyls == 0)
9dfd7c7a 2723 hda_opts = drive_add(optarg, HD_ALIAS, 0);
e4bcb14c 2724 else
9dfd7c7a 2725 hda_opts = drive_add(optarg, HD_ALIAS
e4bcb14c 2726 ",cyls=%d,heads=%d,secs=%d%s",
609497ab 2727 0, cyls, heads, secs,
e4bcb14c
TS
2728 translation == BIOS_ATA_TRANSLATION_LBA ?
2729 ",trans=lba" :
2730 translation == BIOS_ATA_TRANSLATION_NONE ?
2731 ",trans=none" : "");
2732 break;
cd6f1169 2733 case QEMU_OPTION_hdb:
cc1daa40
FB
2734 case QEMU_OPTION_hdc:
2735 case QEMU_OPTION_hdd:
609497ab 2736 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
fc01f7e7 2737 break;
e4bcb14c 2738 case QEMU_OPTION_drive:
609497ab 2739 drive_add(NULL, "%s", optarg);
e4bcb14c 2740 break;
d058fe03
GH
2741 case QEMU_OPTION_set:
2742 if (qemu_set_option(optarg) != 0)
2743 exit(1);
2744 break;
d0fef6fb
GH
2745 case QEMU_OPTION_global:
2746 if (qemu_global_option(optarg) != 0)
2747 exit(1);
2748 break;
3e3d5815 2749 case QEMU_OPTION_mtdblock:
609497ab 2750 drive_add(optarg, MTD_ALIAS);
3e3d5815 2751 break;
a1bb27b1 2752 case QEMU_OPTION_sd:
609497ab 2753 drive_add(optarg, SD_ALIAS);
a1bb27b1 2754 break;
86f55663 2755 case QEMU_OPTION_pflash:
609497ab 2756 drive_add(optarg, PFLASH_ALIAS);
86f55663 2757 break;
cd6f1169 2758 case QEMU_OPTION_snapshot:
33e3963e
FB
2759 snapshot = 1;
2760 break;
cd6f1169 2761 case QEMU_OPTION_hdachs:
330d0414 2762 {
330d0414
FB
2763 const char *p;
2764 p = optarg;
2765 cyls = strtol(p, (char **)&p, 0);
46d4767d
FB
2766 if (cyls < 1 || cyls > 16383)
2767 goto chs_fail;
330d0414
FB
2768 if (*p != ',')
2769 goto chs_fail;
2770 p++;
2771 heads = strtol(p, (char **)&p, 0);
46d4767d
FB
2772 if (heads < 1 || heads > 16)
2773 goto chs_fail;
330d0414
FB
2774 if (*p != ',')
2775 goto chs_fail;
2776 p++;
2777 secs = strtol(p, (char **)&p, 0);
46d4767d
FB
2778 if (secs < 1 || secs > 63)
2779 goto chs_fail;
2780 if (*p == ',') {
2781 p++;
2782 if (!strcmp(p, "none"))
2783 translation = BIOS_ATA_TRANSLATION_NONE;
2784 else if (!strcmp(p, "lba"))
2785 translation = BIOS_ATA_TRANSLATION_LBA;
2786 else if (!strcmp(p, "auto"))
2787 translation = BIOS_ATA_TRANSLATION_AUTO;
2788 else
2789 goto chs_fail;
2790 } else if (*p != '\0') {
c4b1fcc0 2791 chs_fail:
46d4767d
FB
2792 fprintf(stderr, "qemu: invalid physical CHS format\n");
2793 exit(1);
c4b1fcc0 2794 }
9dfd7c7a
GH
2795 if (hda_opts != NULL) {
2796 char num[16];
2797 snprintf(num, sizeof(num), "%d", cyls);
2798 qemu_opt_set(hda_opts, "cyls", num);
2799 snprintf(num, sizeof(num), "%d", heads);
2800 qemu_opt_set(hda_opts, "heads", num);
2801 snprintf(num, sizeof(num), "%d", secs);
2802 qemu_opt_set(hda_opts, "secs", num);
2803 if (translation == BIOS_ATA_TRANSLATION_LBA)
2804 qemu_opt_set(hda_opts, "trans", "lba");
2805 if (translation == BIOS_ATA_TRANSLATION_NONE)
2806 qemu_opt_set(hda_opts, "trans", "none");
2807 }
330d0414
FB
2808 }
2809 break;
268a362c
AL
2810 case QEMU_OPTION_numa:
2811 if (nb_numa_nodes >= MAX_NODES) {
2812 fprintf(stderr, "qemu: too many NUMA nodes\n");
2813 exit(1);
2814 }
2815 numa_add(optarg);
2816 break;
cd6f1169 2817 case QEMU_OPTION_nographic:
993fbfdb 2818 display_type = DT_NOGRAPHIC;
a20dd508 2819 break;
4d3b6f6e
AZ
2820#ifdef CONFIG_CURSES
2821 case QEMU_OPTION_curses:
993fbfdb 2822 display_type = DT_CURSES;
4d3b6f6e
AZ
2823 break;
2824#endif
a171fe39
AZ
2825 case QEMU_OPTION_portrait:
2826 graphic_rotate = 1;
2827 break;
cd6f1169 2828 case QEMU_OPTION_kernel:
a20dd508
FB
2829 kernel_filename = optarg;
2830 break;
cd6f1169 2831 case QEMU_OPTION_append:
a20dd508 2832 kernel_cmdline = optarg;
313aa567 2833 break;
cd6f1169 2834 case QEMU_OPTION_cdrom:
609497ab 2835 drive_add(optarg, CDROM_ALIAS);
36b486bb 2836 break;
cd6f1169 2837 case QEMU_OPTION_boot:
28c5af54 2838 {
ef3adf68 2839 static const char * const params[] = {
95387491 2840 "order", "once", "menu", NULL
ef3adf68
JK
2841 };
2842 char buf[sizeof(boot_devices)];
e0f084bf 2843 char *standard_boot_devices;
ef3adf68
JK
2844 int legacy = 0;
2845
2846 if (!strchr(optarg, '=')) {
2847 legacy = 1;
2848 pstrcpy(buf, sizeof(buf), optarg);
2849 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2850 fprintf(stderr,
2851 "qemu: unknown boot parameter '%s' in '%s'\n",
2852 buf, optarg);
2853 exit(1);
2854 }
2855
2856 if (legacy ||
2857 get_param_value(buf, sizeof(buf), "order", optarg)) {
4e9e9d6e 2858 validate_bootdevices(buf);
ef3adf68 2859 pstrcpy(boot_devices, sizeof(boot_devices), buf);
28c5af54 2860 }
e0f084bf
JK
2861 if (!legacy) {
2862 if (get_param_value(buf, sizeof(buf),
2863 "once", optarg)) {
4e9e9d6e 2864 validate_bootdevices(buf);
e0f084bf
JK
2865 standard_boot_devices = qemu_strdup(boot_devices);
2866 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2867 qemu_register_reset(restore_boot_devices,
2868 standard_boot_devices);
2869 }
95387491
JK
2870 if (get_param_value(buf, sizeof(buf),
2871 "menu", optarg)) {
2872 if (!strcmp(buf, "on")) {
2873 boot_menu = 1;
2874 } else if (!strcmp(buf, "off")) {
2875 boot_menu = 0;
2876 } else {
2877 fprintf(stderr,
2878 "qemu: invalid option value '%s'\n",
2879 buf);
2880 exit(1);
2881 }
2882 }
e0f084bf 2883 }
36b486bb
FB
2884 }
2885 break;
cd6f1169 2886 case QEMU_OPTION_fda:
cd6f1169 2887 case QEMU_OPTION_fdb:
609497ab 2888 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
c45886db 2889 break;
52ca8d6a
FB
2890 case QEMU_OPTION_no_fd_bootchk:
2891 fd_bootchk = 0;
2892 break;
a1ea458f
MM
2893 case QEMU_OPTION_netdev:
2894 if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
2895 exit(1);
2896 }
2897 break;
7c9d8e07 2898 case QEMU_OPTION_net:
7f161aae 2899 if (net_client_parse(&qemu_net_opts, optarg) == -1) {
c4b1fcc0
FB
2900 exit(1);
2901 }
702c651c 2902 break;
c7f74643
FB
2903#ifdef CONFIG_SLIRP
2904 case QEMU_OPTION_tftp:
ad196a9d 2905 legacy_tftp_prefix = optarg;
9bf05444 2906 break;
47d5d01a 2907 case QEMU_OPTION_bootp:
ad196a9d 2908 legacy_bootp_filename = optarg;
47d5d01a 2909 break;
c94c8d64 2910#ifndef _WIN32
9d728e8c 2911 case QEMU_OPTION_smb:
0752706d
MA
2912 if (net_slirp_smb(optarg) < 0)
2913 exit(1);
9d728e8c 2914 break;
c94c8d64 2915#endif
9bf05444 2916 case QEMU_OPTION_redir:
0752706d
MA
2917 if (net_slirp_redir(optarg) < 0)
2918 exit(1);
9bf05444 2919 break;
c7f74643 2920#endif
dc72ac14 2921 case QEMU_OPTION_bt:
bd3c948d 2922 add_device_config(DEV_BT, optarg);
dc72ac14 2923 break;
1d14ffa9 2924 case QEMU_OPTION_audio_help:
ad96090a
BS
2925 if (!(audio_available())) {
2926 printf("Option %s not supported for this target\n", popt->name);
2927 exit(1);
2928 }
1d14ffa9
FB
2929 AUD_help ();
2930 exit (0);
2931 break;
2932 case QEMU_OPTION_soundhw:
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 select_soundhw (optarg);
2938 break;
cd6f1169 2939 case QEMU_OPTION_h:
15f82208 2940 help(0);
cd6f1169 2941 break;
9bd7e6d9
PB
2942 case QEMU_OPTION_version:
2943 version();
2944 exit(0);
2945 break;
00f82b8a
AJ
2946 case QEMU_OPTION_m: {
2947 uint64_t value;
2948 char *ptr;
2949
2950 value = strtoul(optarg, &ptr, 10);
2951 switch (*ptr) {
2952 case 0: case 'M': case 'm':
2953 value <<= 20;
2954 break;
2955 case 'G': case 'g':
2956 value <<= 30;
2957 break;
2958 default:
2959 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
cd6f1169
FB
2960 exit(1);
2961 }
00f82b8a
AJ
2962
2963 /* On 32-bit hosts, QEMU is limited by virtual address space */
4a1418e0 2964 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
00f82b8a
AJ
2965 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2966 exit(1);
2967 }
c227f099 2968 if (value != (uint64_t)(ram_addr_t)value) {
00f82b8a
AJ
2969 fprintf(stderr, "qemu: ram size too large\n");
2970 exit(1);
2971 }
2972 ram_size = value;
cd6f1169 2973 break;
00f82b8a 2974 }
c902760f
MT
2975 case QEMU_OPTION_mempath:
2976 mem_path = optarg;
2977 break;
2978#ifdef MAP_POPULATE
2979 case QEMU_OPTION_mem_prealloc:
2980 mem_prealloc = 1;
2981 break;
2982#endif
cd6f1169 2983 case QEMU_OPTION_d:
de06f8d1 2984 set_cpu_log(optarg);
cd6f1169 2985 break;
cd6f1169 2986 case QEMU_OPTION_s:
59030a8c 2987 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
cd6f1169 2988 break;
59030a8c
AL
2989 case QEMU_OPTION_gdb:
2990 gdbstub_dev = optarg;
cd6f1169 2991 break;
cd6f1169 2992 case QEMU_OPTION_L:
5cea8590 2993 data_dir = optarg;
cd6f1169 2994 break;
1192dad8
JM
2995 case QEMU_OPTION_bios:
2996 bios_name = optarg;
2997 break;
1b530a6d
AJ
2998 case QEMU_OPTION_singlestep:
2999 singlestep = 1;
3000 break;
cd6f1169 3001 case QEMU_OPTION_S:
3c07f8e8 3002 autostart = 0;
cd6f1169 3003 break;
3d11d0eb
FB
3004 case QEMU_OPTION_k:
3005 keyboard_layout = optarg;
3006 break;
ee22c2f7
FB
3007 case QEMU_OPTION_localtime:
3008 rtc_utc = 0;
3009 break;
3893c124 3010 case QEMU_OPTION_vga:
3011 select_vgahw (optarg);
1bfe856e 3012 break;
e9b137c2
FB
3013 case QEMU_OPTION_g:
3014 {
3015 const char *p;
3016 int w, h, depth;
3017 p = optarg;
3018 w = strtol(p, (char **)&p, 10);
3019 if (w <= 0) {
3020 graphic_error:
3021 fprintf(stderr, "qemu: invalid resolution or depth\n");
3022 exit(1);
3023 }
3024 if (*p != 'x')
3025 goto graphic_error;
3026 p++;
3027 h = strtol(p, (char **)&p, 10);
3028 if (h <= 0)
3029 goto graphic_error;
3030 if (*p == 'x') {
3031 p++;
3032 depth = strtol(p, (char **)&p, 10);
5fafdf24 3033 if (depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB
3034 depth != 24 && depth != 32)
3035 goto graphic_error;
3036 } else if (*p == '\0') {
3037 depth = graphic_depth;
3038 } else {
3039 goto graphic_error;
3040 }
3b46e624 3041
e9b137c2
FB
3042 graphic_width = w;
3043 graphic_height = h;
3044 graphic_depth = depth;
3045 }
3046 break;
20d8a3ed
TS
3047 case QEMU_OPTION_echr:
3048 {
3049 char *r;
3050 term_escape_char = strtol(optarg, &r, 0);
3051 if (r == optarg)
3052 printf("Bad argument to echr\n");
3053 break;
3054 }
82c643ff 3055 case QEMU_OPTION_monitor:
6ca5582d
GH
3056 monitor_parse(optarg, "readline");
3057 default_monitor = 0;
3058 break;
3059 case QEMU_OPTION_qmp:
3060 monitor_parse(optarg, "control");
2d114dc1 3061 default_monitor = 0;
82c643ff 3062 break;
22a0e04b 3063 case QEMU_OPTION_mon:
8212c64f 3064 opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
22a0e04b 3065 if (!opts) {
22a0e04b
GH
3066 exit(1);
3067 }
2d114dc1 3068 default_monitor = 0;
22a0e04b 3069 break;
191bc01b 3070 case QEMU_OPTION_chardev:
8212c64f 3071 opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
191bc01b 3072 if (!opts) {
191bc01b
GH
3073 exit(1);
3074 }
191bc01b 3075 break;
74db920c
GS
3076#ifdef CONFIG_LINUX
3077 case QEMU_OPTION_fsdev:
3078 opts = qemu_opts_parse(&qemu_fsdev_opts, optarg, 1);
3079 if (!opts) {
3080 fprintf(stderr, "parse error: %s\n", optarg);
3081 exit(1);
3082 }
3083 break;
3d54abc7
GS
3084 case QEMU_OPTION_virtfs: {
3085 char *arg_fsdev = NULL;
3086 char *arg_9p = NULL;
3087 int len = 0;
3088
3089 opts = qemu_opts_parse(&qemu_virtfs_opts, optarg, 1);
3090 if (!opts) {
3091 fprintf(stderr, "parse error: %s\n", optarg);
3092 exit(1);
3093 }
3094
3095 len = strlen(",id=,path=");
3096 len += strlen(qemu_opt_get(opts, "fstype"));
3097 len += strlen(qemu_opt_get(opts, "mount_tag"));
3098 len += strlen(qemu_opt_get(opts, "path"));
3099 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
3100
3101 if (!arg_fsdev) {
3102 fprintf(stderr, "No memory to parse -fsdev for %s\n",
3103 optarg);
3104 exit(1);
3105 }
3106
3107 sprintf(arg_fsdev, "%s,id=%s,path=%s",
3108 qemu_opt_get(opts, "fstype"),
3109 qemu_opt_get(opts, "mount_tag"),
3110 qemu_opt_get(opts, "path"));
3111
3112 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
3113 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
3114 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
3115
3116 if (!arg_9p) {
3117 fprintf(stderr, "No memory to parse -device for %s\n",
3118 optarg);
3119 exit(1);
3120 }
3121
3122 sprintf(arg_9p, "virtio-9p-pci,fsdev=%s,mount_tag=%s",
3123 qemu_opt_get(opts, "mount_tag"),
3124 qemu_opt_get(opts, "mount_tag"));
3125
3126 if (!qemu_opts_parse(&qemu_fsdev_opts, arg_fsdev, 1)) {
3127 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
3128 exit(1);
3129 }
3130
3131 if (!qemu_opts_parse(&qemu_device_opts, arg_9p, 1)) {
3132 fprintf(stderr, "parse error [device]: %s\n", optarg);
3133 exit(1);
3134 }
3135
3136 qemu_free(arg_fsdev);
3137 qemu_free(arg_9p);
3138 break;
3139 }
74db920c 3140#endif
82c643ff 3141 case QEMU_OPTION_serial:
998bbd74
GH
3142 add_device_config(DEV_SERIAL, optarg);
3143 default_serial = 0;
18141ed6
JK
3144 if (strncmp(optarg, "mon:", 4) == 0) {
3145 default_monitor = 0;
3146 }
82c643ff 3147 break;
9dd986cc 3148 case QEMU_OPTION_watchdog:
09aaa160
MA
3149 if (watchdog) {
3150 fprintf(stderr,
3151 "qemu: only one watchdog option may be given\n");
3152 return 1;
3153 }
3154 watchdog = optarg;
9dd986cc
RJ
3155 break;
3156 case QEMU_OPTION_watchdog_action:
3157 if (select_watchdog_action(optarg) == -1) {
3158 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3159 exit(1);
3160 }
3161 break;
51ecf136 3162 case QEMU_OPTION_virtiocon:
aee1b935
GH
3163 add_device_config(DEV_VIRTCON, optarg);
3164 default_virtcon = 0;
18141ed6
JK
3165 if (strncmp(optarg, "mon:", 4) == 0) {
3166 default_monitor = 0;
3167 }
51ecf136 3168 break;
6508fe59 3169 case QEMU_OPTION_parallel:
6a5e8b0e
GH
3170 add_device_config(DEV_PARALLEL, optarg);
3171 default_parallel = 0;
18141ed6
JK
3172 if (strncmp(optarg, "mon:", 4) == 0) {
3173 default_monitor = 0;
3174 }
6508fe59 3175 break;
c9f398e5
PA
3176 case QEMU_OPTION_debugcon:
3177 add_device_config(DEV_DEBUGCON, optarg);
3178 break;
d63d307f
FB
3179 case QEMU_OPTION_loadvm:
3180 loadvm = optarg;
3181 break;
3182 case QEMU_OPTION_full_screen:
3183 full_screen = 1;
3184 break;
667accab 3185#ifdef CONFIG_SDL
43523e93
TS
3186 case QEMU_OPTION_no_frame:
3187 no_frame = 1;
3188 break;
3780e197
TS
3189 case QEMU_OPTION_alt_grab:
3190 alt_grab = 1;
3191 break;
0ca9f8a4
DK
3192 case QEMU_OPTION_ctrl_grab:
3193 ctrl_grab = 1;
3194 break;
667accab
TS
3195 case QEMU_OPTION_no_quit:
3196 no_quit = 1;
3197 break;
7d957bd8 3198 case QEMU_OPTION_sdl:
993fbfdb 3199 display_type = DT_SDL;
7d957bd8 3200 break;
667accab 3201#endif
f7cce898 3202 case QEMU_OPTION_pidfile:
93815bc2 3203 pid_file = optarg;
f7cce898 3204 break;
a09db21f
FB
3205 case QEMU_OPTION_win2k_hack:
3206 win2k_install_hack = 1;
3207 break;
73822ec8
AL
3208 case QEMU_OPTION_rtc_td_hack:
3209 rtc_td_hack = 1;
3210 break;
8a92ea2f 3211 case QEMU_OPTION_acpitable:
de06f8d1 3212 do_acpitable_option(optarg);
8a92ea2f 3213 break;
b6f6e3d3 3214 case QEMU_OPTION_smbios:
de06f8d1 3215 do_smbios_option(optarg);
b6f6e3d3 3216 break;
7ba1e619
AL
3217 case QEMU_OPTION_enable_kvm:
3218 kvm_allowed = 1;
7ba1e619 3219 break;
bb36d470
FB
3220 case QEMU_OPTION_usb:
3221 usb_enabled = 1;
3222 break;
a594cfbf
FB
3223 case QEMU_OPTION_usbdevice:
3224 usb_enabled = 1;
bd3c948d
GH
3225 add_device_config(DEV_USB, optarg);
3226 break;
3227 case QEMU_OPTION_device:
8212c64f 3228 if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
f31d07d1
GH
3229 exit(1);
3230 }
a594cfbf 3231 break;
6a00d601 3232 case QEMU_OPTION_smp:
dc6b1c09 3233 smp_parse(optarg);
b2097003 3234 if (smp_cpus < 1) {
6a00d601
FB
3235 fprintf(stderr, "Invalid number of CPUs\n");
3236 exit(1);
3237 }
6be68d7e
JS
3238 if (max_cpus < smp_cpus) {
3239 fprintf(stderr, "maxcpus must be equal to or greater than "
3240 "smp\n");
3241 exit(1);
3242 }
3243 if (max_cpus > 255) {
3244 fprintf(stderr, "Unsupported number of maxcpus\n");
3245 exit(1);
3246 }
6a00d601 3247 break;
24236869 3248 case QEMU_OPTION_vnc:
993fbfdb 3249 display_type = DT_VNC;
73fc9742 3250 vnc_display = optarg;
24236869 3251 break;
6515b203
FB
3252 case QEMU_OPTION_no_acpi:
3253 acpi_enabled = 0;
3254 break;
16b29ae1
AL
3255 case QEMU_OPTION_no_hpet:
3256 no_hpet = 1;
3257 break;
7d4c3d53
MA
3258 case QEMU_OPTION_balloon:
3259 if (balloon_parse(optarg) < 0) {
3260 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3261 exit(1);
3262 }
df97b920 3263 break;
d1beab82
FB
3264 case QEMU_OPTION_no_reboot:
3265 no_reboot = 1;
3266 break;
b2f76161
AJ
3267 case QEMU_OPTION_no_shutdown:
3268 no_shutdown = 1;
3269 break;
9467cd46
AZ
3270 case QEMU_OPTION_show_cursor:
3271 cursor_hide = 0;
3272 break;
8fcb1b90
BS
3273 case QEMU_OPTION_uuid:
3274 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3275 fprintf(stderr, "Fail to parse UUID string."
3276 " Wrong format.\n");
3277 exit(1);
3278 }
3279 break;
5824d651 3280#ifndef _WIN32
71e3ceb8
TS
3281 case QEMU_OPTION_daemonize:
3282 daemonize = 1;
3283 break;
5824d651 3284#endif
9ae02555
TS
3285 case QEMU_OPTION_option_rom:
3286 if (nb_option_roms >= MAX_OPTION_ROMS) {
3287 fprintf(stderr, "Too many option ROMs\n");
3288 exit(1);
3289 }
3290 option_rom[nb_option_roms] = optarg;
3291 nb_option_roms++;
3292 break;
8e71621f
PB
3293 case QEMU_OPTION_semihosting:
3294 semihosting_enabled = 1;
3295 break;
c35734b2 3296 case QEMU_OPTION_name:
1889465a
AK
3297 qemu_name = qemu_strdup(optarg);
3298 {
3299 char *p = strchr(qemu_name, ',');
3300 if (p != NULL) {
3301 *p++ = 0;
3302 if (strncmp(p, "process=", 8)) {
3303 fprintf(stderr, "Unknown subargument %s to -name", p);
3304 exit(1);
3305 }
3306 p += 8;
3307 set_proc_name(p);
3308 }
3309 }
c35734b2 3310 break;
66508601
BS
3311 case QEMU_OPTION_prom_env:
3312 if (nb_prom_envs >= MAX_PROM_ENVS) {
3313 fprintf(stderr, "Too many prom variables\n");
3314 exit(1);
3315 }
3316 prom_envs[nb_prom_envs] = optarg;
3317 nb_prom_envs++;
3318 break;
2b8f2d41
AZ
3319 case QEMU_OPTION_old_param:
3320 old_param = 1;
05ebd537 3321 break;
f3dcfada
TS
3322 case QEMU_OPTION_clock:
3323 configure_alarms(optarg);
3324 break;
7e0af5d0 3325 case QEMU_OPTION_startdate:
1ed2fc1f
JK
3326 configure_rtc_date_offset(optarg, 1);
3327 break;
3328 case QEMU_OPTION_rtc:
8212c64f 3329 opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
1ed2fc1f 3330 if (!opts) {
1ed2fc1f 3331 exit(1);
7e0af5d0 3332 }
1ed2fc1f 3333 configure_rtc(opts);
7e0af5d0 3334 break;
26a5f13b
FB
3335 case QEMU_OPTION_tb_size:
3336 tb_size = strtol(optarg, NULL, 0);
3337 if (tb_size < 0)
3338 tb_size = 0;
3339 break;
2e70f6ef 3340 case QEMU_OPTION_icount:
4e3de9e9 3341 icount_option = optarg;
2e70f6ef 3342 break;
5bb7910a
AL
3343 case QEMU_OPTION_incoming:
3344 incoming = optarg;
3345 break;
d8c208dd
GH
3346 case QEMU_OPTION_nodefaults:
3347 default_serial = 0;
3348 default_parallel = 0;
aee1b935 3349 default_virtcon = 0;
d8c208dd
GH
3350 default_monitor = 0;
3351 default_vga = 0;
cb4522cc 3352 default_net = 0;
ac33f8fa
GH
3353 default_floppy = 0;
3354 default_cdrom = 0;
3355 default_sdcard = 0;
d8c208dd 3356 break;
5824d651 3357#ifndef _WIN32
0858532e
AL
3358 case QEMU_OPTION_chroot:
3359 chroot_dir = optarg;
3360 break;
3361 case QEMU_OPTION_runas:
3362 run_as = optarg;
3363 break;
e37630ca 3364#endif
e37630ca 3365 case QEMU_OPTION_xen_domid:
ad96090a
BS
3366 if (!(xen_available())) {
3367 printf("Option %s not supported for this target\n", popt->name);
3368 exit(1);
3369 }
e37630ca
AL
3370 xen_domid = atoi(optarg);
3371 break;
3372 case QEMU_OPTION_xen_create:
ad96090a
BS
3373 if (!(xen_available())) {
3374 printf("Option %s not supported for this target\n", popt->name);
3375 exit(1);
3376 }
e37630ca
AL
3377 xen_mode = XEN_CREATE;
3378 break;
3379 case QEMU_OPTION_xen_attach:
ad96090a
BS
3380 if (!(xen_available())) {
3381 printf("Option %s not supported for this target\n", popt->name);
3382 exit(1);
3383 }
e37630ca
AL
3384 xen_mode = XEN_ATTACH;
3385 break;
715a664a
GH
3386 case QEMU_OPTION_readconfig:
3387 {
dcfb0939
KW
3388 int ret = qemu_read_config_file(optarg);
3389 if (ret < 0) {
3390 fprintf(stderr, "read config %s: %s\n", optarg,
3391 strerror(-ret));
715a664a
GH
3392 exit(1);
3393 }
715a664a
GH
3394 break;
3395 }
3396 case QEMU_OPTION_writeconfig:
3397 {
3398 FILE *fp;
3399 if (strcmp(optarg, "-") == 0) {
3400 fp = stdout;
3401 } else {
3402 fp = fopen(optarg, "w");
3403 if (fp == NULL) {
3404 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3405 exit(1);
3406 }
3407 }
3408 qemu_config_write(fp);
3409 fclose(fp);
3410 break;
3411 }
cd6f1169 3412 }
0824d6fc
FB
3413 }
3414 }
0f0bc3f1 3415 loc_set_none();
330d0414 3416
5cea8590
PB
3417 /* If no data_dir is specified then try to find it relative to the
3418 executable path. */
3419 if (!data_dir) {
3420 data_dir = find_datadir(argv[0]);
3421 }
3422 /* If all else fails use the install patch specified when building. */
3423 if (!data_dir) {
3424 data_dir = CONFIG_QEMU_SHAREDIR;
3425 }
3426
6be68d7e
JS
3427 /*
3428 * Default to max_cpus = smp_cpus, in case the user doesn't
3429 * specify a max_cpus value.
3430 */
3431 if (!max_cpus)
3432 max_cpus = smp_cpus;
3433
3d878caa 3434 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
b2097003
AL
3435 if (smp_cpus > machine->max_cpus) {
3436 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3437 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3438 machine->max_cpus);
3439 exit(1);
3440 }
3441
998bbd74 3442 qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0);
d8bcbabf 3443 qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0);
998bbd74 3444
986c5f78
GH
3445 if (machine->no_serial) {
3446 default_serial = 0;
3447 }
3448 if (machine->no_parallel) {
3449 default_parallel = 0;
3450 }
3451 if (!machine->use_virtcon) {
3452 default_virtcon = 0;
3453 }
3454 if (machine->no_vga) {
3455 default_vga = 0;
3456 }
ac33f8fa
GH
3457 if (machine->no_floppy) {
3458 default_floppy = 0;
3459 }
3460 if (machine->no_cdrom) {
3461 default_cdrom = 0;
3462 }
3463 if (machine->no_sdcard) {
3464 default_sdcard = 0;
3465 }
986c5f78 3466
993fbfdb 3467 if (display_type == DT_NOGRAPHIC) {
6a5e8b0e
GH
3468 if (default_parallel)
3469 add_device_config(DEV_PARALLEL, "null");
e1c09175
GH
3470 if (default_serial && default_monitor) {
3471 add_device_config(DEV_SERIAL, "mon:stdio");
986c5f78
GH
3472 } else if (default_virtcon && default_monitor) {
3473 add_device_config(DEV_VIRTCON, "mon:stdio");
e1c09175
GH
3474 } else {
3475 if (default_serial)
3476 add_device_config(DEV_SERIAL, "stdio");
986c5f78
GH
3477 if (default_virtcon)
3478 add_device_config(DEV_VIRTCON, "stdio");
e1c09175 3479 if (default_monitor)
6ca5582d 3480 monitor_parse("stdio", "readline");
e1c09175 3481 }
998bbd74
GH
3482 } else {
3483 if (default_serial)
3484 add_device_config(DEV_SERIAL, "vc:80Cx24C");
6a5e8b0e
GH
3485 if (default_parallel)
3486 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
abdeed06 3487 if (default_monitor)
6ca5582d 3488 monitor_parse("vc:80Cx24C", "readline");
38536da1
AG
3489 if (default_virtcon)
3490 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
bc0129d9 3491 }
64465297
GH
3492 if (default_vga)
3493 vga_interface_type = VGA_CIRRUS;
bc0129d9 3494
a5829fd9
T
3495 socket_init();
3496
1a688d3b
GH
3497 if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
3498 exit(1);
74db920c
GS
3499#ifdef CONFIG_LINUX
3500 if (qemu_opts_foreach(&qemu_fsdev_opts, fsdev_init_func, NULL, 1) != 0) {
3501 exit(1);
3502 }
3503#endif
1a688d3b 3504
71e3ceb8 3505#ifndef _WIN32
71e3ceb8
TS
3506 if (daemonize) {
3507 pid_t pid;
3508
3509 if (pipe(fds) == -1)
3510 exit(1);
3511
3512 pid = fork();
3513 if (pid > 0) {
3514 uint8_t status;
3515 ssize_t len;
3516
3517 close(fds[1]);
3518
3519 again:
93815bc2
TS
3520 len = read(fds[0], &status, 1);
3521 if (len == -1 && (errno == EINTR))
3522 goto again;
3523
3524 if (len != 1)
3525 exit(1);
3526 else if (status == 1) {
850810d0 3527 fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno));
93815bc2
TS
3528 exit(1);
3529 } else
3530 exit(0);
71e3ceb8 3531 } else if (pid < 0)
93815bc2 3532 exit(1);
71e3ceb8 3533
40ff6d7e
KW
3534 close(fds[0]);
3535 qemu_set_cloexec(fds[1]);
3536
71e3ceb8
TS
3537 setsid();
3538
3539 pid = fork();
3540 if (pid > 0)
3541 exit(0);
3542 else if (pid < 0)
3543 exit(1);
3544
3545 umask(027);
71e3ceb8
TS
3546
3547 signal(SIGTSTP, SIG_IGN);
3548 signal(SIGTTOU, SIG_IGN);
3549 signal(SIGTTIN, SIG_IGN);
3550 }
099fe236 3551#endif
71e3ceb8 3552
aa26bb2d 3553 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
099fe236 3554#ifndef _WIN32
93815bc2
TS
3555 if (daemonize) {
3556 uint8_t status = 1;
dc330e28
KS
3557 if (write(fds[1], &status, 1) != 1) {
3558 perror("daemonize. Writing to pipe\n");
3559 }
93815bc2 3560 } else
099fe236 3561#endif
850810d0 3562 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
93815bc2
TS
3563 exit(1);
3564 }
3565
98c8573e
PB
3566 if (kvm_allowed) {
3567 int ret = kvm_init(smp_cpus);
214910a7 3568 if (ret < 0) {
98c8573e
PB
3569 if (!kvm_available()) {
3570 printf("KVM not supported for this target\n");
3571 } else {
3572 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
3573 }
214910a7
MT
3574 exit(1);
3575 }
3576 }
3577
3fcf7b6b
AL
3578 if (qemu_init_main_loop()) {
3579 fprintf(stderr, "qemu_init_main_loop failed\n");
3580 exit(1);
3581 }
a20dd508 3582 linux_boot = (kernel_filename != NULL);
6c41b272 3583
f8d39c01
TS
3584 if (!linux_boot && *kernel_cmdline != '\0') {
3585 fprintf(stderr, "-append only allowed with -kernel option\n");
3586 exit(1);
3587 }
3588
3589 if (!linux_boot && initrd_filename != NULL) {
3590 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3591 exit(1);
3592 }
3593
bf65f53f
FN
3594#ifndef _WIN32
3595 /* Win32 doesn't support line-buffering and requires size >= 2 */
b118d61e 3596 setvbuf(stdout, NULL, _IOLBF, 0);
bf65f53f 3597#endif
3b46e624 3598
7183b4b4
AL
3599 if (init_timer_alarm() < 0) {
3600 fprintf(stderr, "could not initialize alarm timer\n");
3601 exit(1);
3602 }
4e3de9e9 3603 configure_icount(icount_option);
634fce96 3604
dc1c9fe8
MM
3605 if (net_init_clients() < 0) {
3606 exit(1);
702c651c 3607 }
f1510b2c 3608
dc72ac14 3609 /* init the bluetooth world */
bd3c948d
GH
3610 if (foreach_device_config(DEV_BT, bt_parse))
3611 exit(1);
dc72ac14 3612
0824d6fc 3613 /* init the memory */
94a6b54f
PB
3614 if (ram_size == 0)
3615 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
9ae02555 3616
26a5f13b
FB
3617 /* init the dynamic translator */
3618 cpu_exec_init_all(tb_size * 1024 * 1024);
3619
eb852011 3620 bdrv_init_with_whitelist();
c4b1fcc0 3621
c163b5ca 3622 blk_mig_init();
3623
ac33f8fa 3624 if (default_cdrom) {
aa40fc9c
GH
3625 /* we always create the cdrom drive, even if no disk is there */
3626 drive_add(NULL, CDROM_ALIAS);
ac33f8fa 3627 }
c4b1fcc0 3628
ac33f8fa 3629 if (default_floppy) {
aa40fc9c
GH
3630 /* we always create at least one floppy */
3631 drive_add(NULL, FD_ALIAS, 0);
ac33f8fa 3632 }
86f55663 3633
ac33f8fa 3634 if (default_sdcard) {
aa40fc9c
GH
3635 /* we always create one sd slot, even if no card is in it */
3636 drive_add(NULL, SD_ALIAS);
3637 }
9d413d1d 3638
e4bcb14c 3639 /* open the virtual block devices */
9dfd7c7a 3640 if (snapshot)
7282a033 3641 qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
a803cb8e 3642 if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, &machine->use_scsi, 1) != 0)
9dfd7c7a 3643 exit(1);
3e3d5815 3644
c163b5ca 3645 register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL,
3646 ram_load, NULL);
8a7ddc38 3647
268a362c
AL
3648 if (nb_numa_nodes > 0) {
3649 int i;
3650
3651 if (nb_numa_nodes > smp_cpus) {
3652 nb_numa_nodes = smp_cpus;
3653 }
3654
3655 /* If no memory size if given for any node, assume the default case
3656 * and distribute the available memory equally across all nodes
3657 */
3658 for (i = 0; i < nb_numa_nodes; i++) {
3659 if (node_mem[i] != 0)
3660 break;
3661 }
3662 if (i == nb_numa_nodes) {
3663 uint64_t usedmem = 0;
3664
3665 /* On Linux, the each node's border has to be 8MB aligned,
3666 * the final node gets the rest.
3667 */
3668 for (i = 0; i < nb_numa_nodes - 1; i++) {
3669 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3670 usedmem += node_mem[i];
3671 }
3672 node_mem[i] = ram_size - usedmem;
3673 }
3674
3675 for (i = 0; i < nb_numa_nodes; i++) {
3676 if (node_cpumask[i] != 0)
3677 break;
3678 }
3679 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3680 * must cope with this anyway, because there are BIOSes out there in
3681 * real machines which also use this scheme.
3682 */
3683 if (i == nb_numa_nodes) {
3684 for (i = 0; i < smp_cpus; i++) {
3685 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3686 }
3687 }
3688 }
3689
157b9319
JK
3690 if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) {
3691 exit(1);
3692 }
3693
998bbd74
GH
3694 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3695 exit(1);
6a5e8b0e
GH
3696 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3697 exit(1);
aee1b935
GH
3698 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3699 exit(1);
c9f398e5
PA
3700 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3701 exit(1);
2796dae0 3702
aae9460e
PB
3703 module_call_init(MODULE_INIT_DEVICE);
3704
ff952ba2
MA
3705 if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0)
3706 exit(0);
3707
09aaa160
MA
3708 if (watchdog) {
3709 i = select_watchdog(watchdog);
3710 if (i > 0)
3711 exit (i == 1 ? 1 : 0);
3712 }
3713
b6b61144 3714 if (machine->compat_props) {
458fb679 3715 qdev_prop_register_global_list(machine->compat_props);
b6b61144 3716 }
d0fef6fb
GH
3717 qemu_add_globals();
3718
fbe1b595 3719 machine->init(ram_size, boot_devices,
3023f332
AL
3720 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3721
ea375f9a 3722 cpu_synchronize_all_post_init();
268a362c 3723
67b3b71d
JQ
3724#ifndef _WIN32
3725 /* must be after terminal init, SDL library changes signal handlers */
3726 sighandler_setup();
3727#endif
3728
87d0a28e 3729 set_numa_modes();
268a362c 3730
6f338c34
AL
3731 current_machine = machine;
3732
3023f332
AL
3733 /* init USB devices */
3734 if (usb_enabled) {
0752706d
MA
3735 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3736 exit(1);
3023f332
AL
3737 }
3738
bd3c948d 3739 /* init generic devices */
f31d07d1 3740 if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
bd3c948d
GH
3741 exit(1);
3742
668680f7
MA
3743 net_check_clients();
3744
3023f332 3745 /* just use the first displaystate for the moment */
b473df6e 3746 ds = get_displaystate();
993fbfdb
AL
3747
3748 if (display_type == DT_DEFAULT) {
3749#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3750 display_type = DT_SDL;
3751#else
3752 display_type = DT_VNC;
3753 vnc_display = "localhost:0,to=99";
3754 show_vnc_port = 1;
3755#endif
3756 }
3757
3758
3759 switch (display_type) {
3760 case DT_NOGRAPHIC:
3761 break;
4d3b6f6e 3762#if defined(CONFIG_CURSES)
993fbfdb
AL
3763 case DT_CURSES:
3764 curses_display_init(ds, full_screen);
3765 break;
4d3b6f6e 3766#endif
5b0753e0 3767#if defined(CONFIG_SDL)
993fbfdb
AL
3768 case DT_SDL:
3769 sdl_display_init(ds, full_screen, no_frame);
3770 break;
5b0753e0 3771#elif defined(CONFIG_COCOA)
993fbfdb
AL
3772 case DT_SDL:
3773 cocoa_display_init(ds, full_screen);
3774 break;
313aa567 3775#endif
993fbfdb
AL
3776 case DT_VNC:
3777 vnc_display_init(ds);
3778 if (vnc_display_open(ds, vnc_display) < 0)
3779 exit(1);
f92f8afe 3780
993fbfdb
AL
3781 if (show_vnc_port) {
3782 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
f92f8afe 3783 }
993fbfdb
AL
3784 break;
3785 default:
3786 break;
313aa567 3787 }
7d957bd8 3788 dpy_resize(ds);
5b08fc10 3789
3023f332
AL
3790 dcl = ds->listeners;
3791 while (dcl != NULL) {
3792 if (dcl->dpy_refresh != NULL) {
3793 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
3794 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
20d8a3ed 3795 }
3023f332 3796 dcl = dcl->next;
20d8a3ed 3797 }
3023f332 3798
993fbfdb 3799 if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
9043b62d
BS
3800 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
3801 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
3802 }
3803
b473df6e 3804 text_consoles_set_display(ds);
2796dae0 3805
59030a8c
AL
3806 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3807 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3808 gdbstub_dev);
3809 exit(1);
45669e00 3810 }
45669e00 3811
3418bd25
GH
3812 qdev_machine_creation_done();
3813
15ff7705
GH
3814 if (rom_load_all() != 0) {
3815 fprintf(stderr, "rom loading failed\n");
3816 exit(1);
3817 }
45a50b16 3818
504c2948 3819 qemu_system_reset();
05f2401e 3820 if (loadvm) {
03cd4655 3821 if (load_vmstate(loadvm) < 0) {
05f2401e
JQ
3822 autostart = 0;
3823 }
3824 }
d63d307f 3825
2bb8c10c 3826 if (incoming) {
5bb7910a 3827 qemu_start_incoming_migration(incoming);
6b99dadc 3828 } else if (autostart) {
c0f4ce77 3829 vm_start();
6b99dadc 3830 }
ffd843bc 3831
b9e82a59 3832#ifndef _WIN32
71e3ceb8
TS
3833 if (daemonize) {
3834 uint8_t status = 0;
3835 ssize_t len;
71e3ceb8
TS
3836
3837 again1:
3838 len = write(fds[1], &status, 1);
3839 if (len == -1 && (errno == EINTR))
3840 goto again1;
3841
3842 if (len != 1)
3843 exit(1);
3844
dc330e28
KS
3845 if (chdir("/")) {
3846 perror("not able to chdir to /");
3847 exit(1);
3848 }
40ff6d7e 3849 TFR(fd = qemu_open("/dev/null", O_RDWR));
71e3ceb8
TS
3850 if (fd == -1)
3851 exit(1);
0858532e 3852 }
71e3ceb8 3853
0858532e
AL
3854 if (run_as) {
3855 pwd = getpwnam(run_as);
3856 if (!pwd) {
3857 fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
3858 exit(1);
3859 }
3860 }
3861
3862 if (chroot_dir) {
3863 if (chroot(chroot_dir) < 0) {
3864 fprintf(stderr, "chroot failed\n");
3865 exit(1);
3866 }
dc330e28
KS
3867 if (chdir("/")) {
3868 perror("not able to chdir to /");
3869 exit(1);
3870 }
0858532e
AL
3871 }
3872
3873 if (run_as) {
3874 if (setgid(pwd->pw_gid) < 0) {
3875 fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
3876 exit(1);
3877 }
3878 if (setuid(pwd->pw_uid) < 0) {
3879 fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
3880 exit(1);
3881 }
3882 if (setuid(0) != -1) {
3883 fprintf(stderr, "Dropping privileges failed\n");
3884 exit(1);
3885 }
3886 }
0858532e
AL
3887
3888 if (daemonize) {
3889 dup2(fd, 0);
3890 dup2(fd, 1);
3891 dup2(fd, 2);
71e3ceb8 3892
0858532e 3893 close(fd);
71e3ceb8 3894 }
b9e82a59 3895#endif
71e3ceb8 3896
8a7ddc38 3897 main_loop();
40c3bac3 3898 quit_timers();
63a01ef8 3899 net_cleanup();
b46a8906 3900
0824d6fc
FB
3901 return 0;
3902}