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Commit | Line | Data |
---|---|---|
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> |
24646c7e BS |
55 | #else |
56 | #include <util.h> | |
128ab2ff | 57 | #endif |
bbe813a2 | 58 | #else |
223f0d72 | 59 | #ifdef __linux__ |
7d3505c5 FB |
60 | #include <pty.h> |
61 | #include <malloc.h> | |
fd872598 | 62 | #include <linux/rtc.h> |
1889465a | 63 | #include <sys/prctl.h> |
bd494f4c TS |
64 | |
65 | /* For the benefit of older linux systems which don't supply it, | |
66 | we use a local copy of hpet.h. */ | |
67 | /* #include <linux/hpet.h> */ | |
68 | #include "hpet.h" | |
69 | ||
e57a8c0e | 70 | #include <linux/ppdev.h> |
5867c88a | 71 | #include <linux/parport.h> |
223f0d72 BS |
72 | #endif |
73 | #ifdef __sun__ | |
d5d10bc3 TS |
74 | #include <sys/stat.h> |
75 | #include <sys/ethernet.h> | |
76 | #include <sys/sockio.h> | |
d5d10bc3 TS |
77 | #include <netinet/arp.h> |
78 | #include <netinet/in.h> | |
79 | #include <netinet/in_systm.h> | |
80 | #include <netinet/ip.h> | |
81 | #include <netinet/ip_icmp.h> // must come after ip.h | |
82 | #include <netinet/udp.h> | |
83 | #include <netinet/tcp.h> | |
84 | #include <net/if.h> | |
85 | #include <syslog.h> | |
86 | #include <stropts.h> | |
8d32cf0e BS |
87 | /* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for |
88 | discussion about Solaris header problems */ | |
89 | extern int madvise(caddr_t, size_t, int); | |
67b915a5 | 90 | #endif |
7d3505c5 | 91 | #endif |
ec530c81 | 92 | #endif |
67b915a5 | 93 | |
9892fbfb BS |
94 | #if defined(__OpenBSD__) |
95 | #include <util.h> | |
96 | #endif | |
97 | ||
8a16d273 TS |
98 | #if defined(CONFIG_VDE) |
99 | #include <libvdeplug.h> | |
100 | #endif | |
101 | ||
67b915a5 | 102 | #ifdef _WIN32 |
49dc768d | 103 | #include <windows.h> |
4fddf62a | 104 | #include <mmsystem.h> |
67b915a5 FB |
105 | #endif |
106 | ||
73332e5c | 107 | #ifdef CONFIG_SDL |
59a36a2f | 108 | #if defined(__APPLE__) || defined(main) |
6693665a | 109 | #include <SDL.h> |
880fec5d | 110 | int qemu_main(int argc, char **argv, char **envp); |
111 | int main(int argc, char **argv) | |
112 | { | |
59a36a2f | 113 | return qemu_main(argc, argv, NULL); |
880fec5d | 114 | } |
115 | #undef main | |
116 | #define main qemu_main | |
96bcd4f8 | 117 | #endif |
73332e5c | 118 | #endif /* CONFIG_SDL */ |
0824d6fc | 119 | |
5b0753e0 FB |
120 | #ifdef CONFIG_COCOA |
121 | #undef main | |
122 | #define main qemu_main | |
123 | #endif /* CONFIG_COCOA */ | |
124 | ||
511d2b14 BS |
125 | #include "hw/hw.h" |
126 | #include "hw/boards.h" | |
127 | #include "hw/usb.h" | |
128 | #include "hw/pcmcia.h" | |
129 | #include "hw/pc.h" | |
130 | #include "hw/audiodev.h" | |
131 | #include "hw/isa.h" | |
132 | #include "hw/baum.h" | |
133 | #include "hw/bt.h" | |
9dd986cc | 134 | #include "hw/watchdog.h" |
b6f6e3d3 | 135 | #include "hw/smbios.h" |
e37630ca | 136 | #include "hw/xen.h" |
bd3c948d | 137 | #include "hw/qdev.h" |
45a50b16 | 138 | #include "hw/loader.h" |
5ef4efa4 | 139 | #include "bt-host.h" |
511d2b14 | 140 | #include "net.h" |
68ac40d2 | 141 | #include "net/slirp.h" |
511d2b14 BS |
142 | #include "monitor.h" |
143 | #include "console.h" | |
144 | #include "sysemu.h" | |
145 | #include "gdbstub.h" | |
146 | #include "qemu-timer.h" | |
147 | #include "qemu-char.h" | |
148 | #include "cache-utils.h" | |
149 | #include "block.h" | |
c163b5ca LS |
150 | #include "block_int.h" |
151 | #include "block-migration.h" | |
a718acec | 152 | #include "dma.h" |
511d2b14 BS |
153 | #include "audio/audio.h" |
154 | #include "migration.h" | |
155 | #include "kvm.h" | |
156 | #include "balloon.h" | |
d3f24367 | 157 | #include "qemu-option.h" |
7282a033 | 158 | #include "qemu-config.h" |
e78c48ec | 159 | #include "qemu-objects.h" |
511d2b14 | 160 | |
0824d6fc | 161 | #include "disas.h" |
fc01f7e7 | 162 | |
8a7ddc38 | 163 | #include "exec-all.h" |
0824d6fc | 164 | |
511d2b14 BS |
165 | #include "qemu_socket.h" |
166 | ||
d918f23e | 167 | #include "slirp/libslirp.h" |
511d2b14 | 168 | |
72cf2d4f BS |
169 | #include "qemu-queue.h" |
170 | ||
9dc63a1e BS |
171 | //#define DEBUG_NET |
172 | //#define DEBUG_SLIRP | |
330d0414 | 173 | |
1bfe856e | 174 | #define DEFAULT_RAM_SIZE 128 |
313aa567 | 175 | |
5cea8590 | 176 | static const char *data_dir; |
1192dad8 | 177 | const char *bios_name = NULL; |
e4bcb14c | 178 | /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available |
faea38e7 | 179 | to store the VM snapshots */ |
72cf2d4f BS |
180 | struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives); |
181 | struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts); | |
cb5a7aa8 | 182 | enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; |
3023f332 | 183 | static DisplayState *display_state; |
993fbfdb | 184 | DisplayType display_type = DT_DEFAULT; |
3d11d0eb | 185 | const char* keyboard_layout = NULL; |
c227f099 | 186 | ram_addr_t ram_size; |
c4b1fcc0 | 187 | int nb_nics; |
7c9d8e07 | 188 | NICInfo nd_table[MAX_NICS]; |
8a7ddc38 | 189 | int vm_running; |
d399f677 | 190 | int autostart; |
f6503059 AZ |
191 | static int rtc_utc = 1; |
192 | static int rtc_date_offset = -1; /* -1 means no change */ | |
6875204c | 193 | QEMUClock *rtc_clock; |
64465297 | 194 | int vga_interface_type = VGA_NONE; |
d827220b FB |
195 | #ifdef TARGET_SPARC |
196 | int graphic_width = 1024; | |
197 | int graphic_height = 768; | |
eee0b836 | 198 | int graphic_depth = 8; |
d827220b | 199 | #else |
1bfe856e FB |
200 | int graphic_width = 800; |
201 | int graphic_height = 600; | |
e9b137c2 | 202 | int graphic_depth = 15; |
eee0b836 | 203 | #endif |
dbed7e40 | 204 | static int full_screen = 0; |
634a21f6 | 205 | #ifdef CONFIG_SDL |
dbed7e40 | 206 | static int no_frame = 0; |
634a21f6 | 207 | #endif |
667accab | 208 | int no_quit = 0; |
8d11df9e | 209 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
6508fe59 | 210 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
9ede2fde | 211 | CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; |
a09db21f FB |
212 | #ifdef TARGET_I386 |
213 | int win2k_install_hack = 0; | |
73822ec8 | 214 | int rtc_td_hack = 0; |
a09db21f | 215 | #endif |
bb36d470 | 216 | int usb_enabled = 0; |
1b530a6d | 217 | int singlestep = 0; |
6a00d601 | 218 | int smp_cpus = 1; |
6be68d7e | 219 | int max_cpus = 0; |
dc6b1c09 AP |
220 | int smp_cores = 1; |
221 | int smp_threads = 1; | |
73fc9742 | 222 | const char *vnc_display; |
6515b203 | 223 | int acpi_enabled = 1; |
16b29ae1 | 224 | int no_hpet = 0; |
52ca8d6a | 225 | int fd_bootchk = 1; |
d1beab82 | 226 | int no_reboot = 0; |
b2f76161 | 227 | int no_shutdown = 0; |
9467cd46 | 228 | int cursor_hide = 1; |
a171fe39 | 229 | int graphic_rotate = 0; |
6b35e7bf | 230 | uint8_t irq0override = 1; |
b9e82a59 | 231 | #ifndef _WIN32 |
71e3ceb8 | 232 | int daemonize = 0; |
b9e82a59 | 233 | #endif |
09aaa160 | 234 | const char *watchdog; |
9ae02555 TS |
235 | const char *option_rom[MAX_OPTION_ROMS]; |
236 | int nb_option_roms; | |
8e71621f | 237 | int semihosting_enabled = 0; |
2b8f2d41 AZ |
238 | #ifdef TARGET_ARM |
239 | int old_param = 0; | |
240 | #endif | |
c35734b2 | 241 | const char *qemu_name; |
3780e197 | 242 | int alt_grab = 0; |
0ca9f8a4 | 243 | int ctrl_grab = 0; |
95efd11c | 244 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
66508601 BS |
245 | unsigned int nb_prom_envs = 0; |
246 | const char *prom_envs[MAX_PROM_ENVS]; | |
247 | #endif | |
95387491 | 248 | int boot_menu; |
0824d6fc | 249 | |
268a362c AL |
250 | int nb_numa_nodes; |
251 | uint64_t node_mem[MAX_NODES]; | |
252 | uint64_t node_cpumask[MAX_NODES]; | |
253 | ||
ee5605e5 AZ |
254 | static CPUState *cur_cpu; |
255 | static CPUState *next_cpu; | |
43b96858 | 256 | static int timer_alarm_pending = 1; |
bf20dc07 | 257 | /* Conversion factor from emulated instructions to virtual clock ticks. */ |
2e70f6ef | 258 | static int icount_time_shift; |
bf20dc07 | 259 | /* Arbitrarily pick 1MIPS as the minimum allowable speed. */ |
2e70f6ef PB |
260 | #define MAX_ICOUNT_SHIFT 10 |
261 | /* Compensate for varying guest execution speed. */ | |
262 | static int64_t qemu_icount_bias; | |
dbed7e40 BS |
263 | static QEMUTimer *icount_rt_timer; |
264 | static QEMUTimer *icount_vm_timer; | |
9043b62d | 265 | static QEMUTimer *nographic_timer; |
ee5605e5 | 266 | |
8fcb1b90 BS |
267 | uint8_t qemu_uuid[16]; |
268 | ||
76e30d0f JK |
269 | static QEMUBootSetHandler *boot_set_handler; |
270 | static void *boot_set_opaque; | |
271 | ||
998bbd74 | 272 | static int default_serial = 1; |
6a5e8b0e | 273 | static int default_parallel = 1; |
986c5f78 | 274 | static int default_virtcon = 1; |
abdeed06 | 275 | static int default_monitor = 1; |
64465297 | 276 | static int default_vga = 1; |
ac33f8fa GH |
277 | static int default_floppy = 1; |
278 | static int default_cdrom = 1; | |
279 | static int default_sdcard = 1; | |
998bbd74 GH |
280 | |
281 | static struct { | |
282 | const char *driver; | |
283 | int *flag; | |
284 | } default_list[] = { | |
6a5e8b0e GH |
285 | { .driver = "isa-serial", .flag = &default_serial }, |
286 | { .driver = "isa-parallel", .flag = &default_parallel }, | |
d8bcbabf GH |
287 | { .driver = "isa-fdc", .flag = &default_floppy }, |
288 | { .driver = "ide-drive", .flag = &default_cdrom }, | |
aee1b935 GH |
289 | { .driver = "virtio-console-pci", .flag = &default_virtcon }, |
290 | { .driver = "virtio-console-s390", .flag = &default_virtcon }, | |
64465297 GH |
291 | { .driver = "VGA", .flag = &default_vga }, |
292 | { .driver = "Cirrus VGA", .flag = &default_vga }, | |
293 | { .driver = "QEMUware SVGA", .flag = &default_vga }, | |
998bbd74 GH |
294 | }; |
295 | ||
296 | static int default_driver_check(QemuOpts *opts, void *opaque) | |
297 | { | |
298 | const char *driver = qemu_opt_get(opts, "driver"); | |
299 | int i; | |
300 | ||
301 | if (!driver) | |
302 | return 0; | |
303 | for (i = 0; i < ARRAY_SIZE(default_list); i++) { | |
304 | if (strcmp(default_list[i].driver, driver) != 0) | |
305 | continue; | |
306 | *(default_list[i].flag) = 0; | |
307 | } | |
308 | return 0; | |
309 | } | |
310 | ||
0824d6fc | 311 | /***********************************************************/ |
26aa7d72 FB |
312 | /* x86 ISA bus support */ |
313 | ||
c227f099 | 314 | target_phys_addr_t isa_mem_base = 0; |
3de388f6 | 315 | PicState2 *isa_pic; |
0824d6fc | 316 | |
0824d6fc | 317 | /***********************************************************/ |
0824d6fc FB |
318 | void hw_error(const char *fmt, ...) |
319 | { | |
320 | va_list ap; | |
6a00d601 | 321 | CPUState *env; |
0824d6fc FB |
322 | |
323 | va_start(ap, fmt); | |
324 | fprintf(stderr, "qemu: hardware error: "); | |
325 | vfprintf(stderr, fmt, ap); | |
326 | fprintf(stderr, "\n"); | |
6a00d601 FB |
327 | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
328 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
0824d6fc | 329 | #ifdef TARGET_I386 |
6a00d601 | 330 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
c45886db | 331 | #else |
6a00d601 | 332 | cpu_dump_state(env, stderr, fprintf, 0); |
0824d6fc | 333 | #endif |
6a00d601 | 334 | } |
0824d6fc FB |
335 | va_end(ap); |
336 | abort(); | |
337 | } | |
1889465a AK |
338 | |
339 | static void set_proc_name(const char *s) | |
340 | { | |
6ca8d0fd | 341 | #if defined(__linux__) && defined(PR_SET_NAME) |
1889465a AK |
342 | char name[16]; |
343 | if (!s) | |
344 | return; | |
345 | name[sizeof(name) - 1] = 0; | |
346 | strncpy(name, s, sizeof(name)); | |
347 | /* Could rewrite argv[0] too, but that's a bit more complicated. | |
348 | This simple way is enough for `top'. */ | |
349 | prctl(PR_SET_NAME, name); | |
350 | #endif | |
351 | } | |
df751fa8 AL |
352 | |
353 | /***************/ | |
354 | /* ballooning */ | |
355 | ||
356 | static QEMUBalloonEvent *qemu_balloon_event; | |
357 | void *qemu_balloon_event_opaque; | |
358 | ||
359 | void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) | |
360 | { | |
361 | qemu_balloon_event = func; | |
362 | qemu_balloon_event_opaque = opaque; | |
363 | } | |
364 | ||
c227f099 | 365 | void qemu_balloon(ram_addr_t target) |
df751fa8 AL |
366 | { |
367 | if (qemu_balloon_event) | |
368 | qemu_balloon_event(qemu_balloon_event_opaque, target); | |
369 | } | |
370 | ||
c227f099 | 371 | ram_addr_t qemu_balloon_status(void) |
df751fa8 AL |
372 | { |
373 | if (qemu_balloon_event) | |
374 | return qemu_balloon_event(qemu_balloon_event_opaque, 0); | |
375 | return 0; | |
376 | } | |
0824d6fc | 377 | |
63066f4f FB |
378 | /***********************************************************/ |
379 | /* keyboard/mouse */ | |
380 | ||
381 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
382 | static void *qemu_put_kbd_event_opaque; | |
455204eb TS |
383 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; |
384 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; | |
63066f4f FB |
385 | |
386 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
387 | { | |
388 | qemu_put_kbd_event_opaque = opaque; | |
389 | qemu_put_kbd_event = func; | |
390 | } | |
391 | ||
455204eb TS |
392 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, |
393 | void *opaque, int absolute, | |
394 | const char *name) | |
63066f4f | 395 | { |
455204eb TS |
396 | QEMUPutMouseEntry *s, *cursor; |
397 | ||
398 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); | |
455204eb TS |
399 | |
400 | s->qemu_put_mouse_event = func; | |
401 | s->qemu_put_mouse_event_opaque = opaque; | |
402 | s->qemu_put_mouse_event_absolute = absolute; | |
403 | s->qemu_put_mouse_event_name = qemu_strdup(name); | |
404 | s->next = NULL; | |
405 | ||
406 | if (!qemu_put_mouse_event_head) { | |
407 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; | |
408 | return s; | |
409 | } | |
410 | ||
411 | cursor = qemu_put_mouse_event_head; | |
412 | while (cursor->next != NULL) | |
413 | cursor = cursor->next; | |
414 | ||
415 | cursor->next = s; | |
416 | qemu_put_mouse_event_current = s; | |
417 | ||
418 | return s; | |
419 | } | |
420 | ||
421 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) | |
422 | { | |
423 | QEMUPutMouseEntry *prev = NULL, *cursor; | |
424 | ||
425 | if (!qemu_put_mouse_event_head || entry == NULL) | |
426 | return; | |
427 | ||
428 | cursor = qemu_put_mouse_event_head; | |
429 | while (cursor != NULL && cursor != entry) { | |
430 | prev = cursor; | |
431 | cursor = cursor->next; | |
432 | } | |
433 | ||
434 | if (cursor == NULL) // does not exist or list empty | |
435 | return; | |
436 | else if (prev == NULL) { // entry is head | |
437 | qemu_put_mouse_event_head = cursor->next; | |
438 | if (qemu_put_mouse_event_current == entry) | |
439 | qemu_put_mouse_event_current = cursor->next; | |
440 | qemu_free(entry->qemu_put_mouse_event_name); | |
441 | qemu_free(entry); | |
442 | return; | |
443 | } | |
444 | ||
445 | prev->next = entry->next; | |
446 | ||
447 | if (qemu_put_mouse_event_current == entry) | |
448 | qemu_put_mouse_event_current = prev; | |
449 | ||
450 | qemu_free(entry->qemu_put_mouse_event_name); | |
451 | qemu_free(entry); | |
63066f4f FB |
452 | } |
453 | ||
454 | void kbd_put_keycode(int keycode) | |
455 | { | |
456 | if (qemu_put_kbd_event) { | |
457 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
458 | } | |
459 | } | |
460 | ||
461 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
462 | { | |
455204eb TS |
463 | QEMUPutMouseEvent *mouse_event; |
464 | void *mouse_event_opaque; | |
a171fe39 | 465 | int width; |
455204eb TS |
466 | |
467 | if (!qemu_put_mouse_event_current) { | |
468 | return; | |
469 | } | |
470 | ||
471 | mouse_event = | |
472 | qemu_put_mouse_event_current->qemu_put_mouse_event; | |
473 | mouse_event_opaque = | |
474 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; | |
475 | ||
476 | if (mouse_event) { | |
a171fe39 AZ |
477 | if (graphic_rotate) { |
478 | if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) | |
479 | width = 0x7fff; | |
480 | else | |
b94ed577 | 481 | width = graphic_width - 1; |
a171fe39 AZ |
482 | mouse_event(mouse_event_opaque, |
483 | width - dy, dx, dz, buttons_state); | |
484 | } else | |
485 | mouse_event(mouse_event_opaque, | |
486 | dx, dy, dz, buttons_state); | |
63066f4f FB |
487 | } |
488 | } | |
489 | ||
09b26c5e FB |
490 | int kbd_mouse_is_absolute(void) |
491 | { | |
455204eb TS |
492 | if (!qemu_put_mouse_event_current) |
493 | return 0; | |
494 | ||
495 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; | |
496 | } | |
497 | ||
e78c48ec LC |
498 | static void info_mice_iter(QObject *data, void *opaque) |
499 | { | |
500 | QDict *mouse; | |
501 | Monitor *mon = opaque; | |
502 | ||
503 | mouse = qobject_to_qdict(data); | |
504 | monitor_printf(mon, "%c Mouse #%" PRId64 ": %s\n", | |
505 | (qdict_get_bool(mouse, "current") ? '*' : ' '), | |
506 | qdict_get_int(mouse, "index"), qdict_get_str(mouse, "name")); | |
507 | } | |
508 | ||
509 | void do_info_mice_print(Monitor *mon, const QObject *data) | |
510 | { | |
511 | QList *mice_list; | |
512 | ||
513 | mice_list = qobject_to_qlist(data); | |
514 | if (qlist_empty(mice_list)) { | |
515 | monitor_printf(mon, "No mouse devices connected\n"); | |
516 | return; | |
517 | } | |
518 | ||
519 | qlist_iter(mice_list, info_mice_iter, mon); | |
520 | } | |
521 | ||
522 | /** | |
523 | * do_info_mice(): Show VM mice information | |
524 | * | |
525 | * Each mouse is represented by a QDict, the returned QObject is a QList of | |
526 | * all mice. | |
527 | * | |
528 | * The mouse QDict contains the following: | |
529 | * | |
530 | * - "name": mouse's name | |
531 | * - "index": mouse's index | |
532 | * - "current": true if this mouse is receiving events, false otherwise | |
533 | * | |
534 | * Example: | |
535 | * | |
536 | * [ { "name": "QEMU Microsoft Mouse", "index": 0, "current": false }, | |
537 | * { "name": "QEMU PS/2 Mouse", "index": 1, "current": true } ] | |
538 | */ | |
539 | void do_info_mice(Monitor *mon, QObject **ret_data) | |
455204eb TS |
540 | { |
541 | QEMUPutMouseEntry *cursor; | |
e78c48ec | 542 | QList *mice_list; |
455204eb TS |
543 | int index = 0; |
544 | ||
e78c48ec LC |
545 | mice_list = qlist_new(); |
546 | ||
455204eb | 547 | if (!qemu_put_mouse_event_head) { |
e78c48ec | 548 | goto out; |
455204eb TS |
549 | } |
550 | ||
455204eb TS |
551 | cursor = qemu_put_mouse_event_head; |
552 | while (cursor != NULL) { | |
e78c48ec LC |
553 | QObject *obj; |
554 | obj = qobject_from_jsonf("{ 'name': %s, 'index': %d, 'current': %i }", | |
555 | cursor->qemu_put_mouse_event_name, | |
556 | index, cursor == qemu_put_mouse_event_current); | |
557 | qlist_append_obj(mice_list, obj); | |
455204eb TS |
558 | index++; |
559 | cursor = cursor->next; | |
560 | } | |
e78c48ec LC |
561 | |
562 | out: | |
563 | *ret_data = QOBJECT(mice_list); | |
455204eb TS |
564 | } |
565 | ||
d54908a5 | 566 | void do_mouse_set(Monitor *mon, const QDict *qdict) |
455204eb TS |
567 | { |
568 | QEMUPutMouseEntry *cursor; | |
569 | int i = 0; | |
d54908a5 | 570 | int index = qdict_get_int(qdict, "index"); |
455204eb TS |
571 | |
572 | if (!qemu_put_mouse_event_head) { | |
376253ec | 573 | monitor_printf(mon, "No mouse devices connected\n"); |
455204eb TS |
574 | return; |
575 | } | |
576 | ||
577 | cursor = qemu_put_mouse_event_head; | |
578 | while (cursor != NULL && index != i) { | |
579 | i++; | |
580 | cursor = cursor->next; | |
581 | } | |
582 | ||
583 | if (cursor != NULL) | |
584 | qemu_put_mouse_event_current = cursor; | |
585 | else | |
376253ec | 586 | monitor_printf(mon, "Mouse at given index not found\n"); |
09b26c5e FB |
587 | } |
588 | ||
1dce7c3c FB |
589 | /* compute with 96 bit intermediate result: (a*b)/c */ |
590 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
0824d6fc | 591 | { |
1dce7c3c FB |
592 | union { |
593 | uint64_t ll; | |
594 | struct { | |
e2542fe2 | 595 | #ifdef HOST_WORDS_BIGENDIAN |
1dce7c3c FB |
596 | uint32_t high, low; |
597 | #else | |
598 | uint32_t low, high; | |
3b46e624 | 599 | #endif |
1dce7c3c FB |
600 | } l; |
601 | } u, res; | |
602 | uint64_t rl, rh; | |
0824d6fc | 603 | |
1dce7c3c FB |
604 | u.ll = a; |
605 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
606 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
607 | rh += (rl >> 32); | |
608 | res.l.high = rh / c; | |
609 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
610 | return res.ll; | |
34865134 FB |
611 | } |
612 | ||
1dce7c3c FB |
613 | /***********************************************************/ |
614 | /* real time host monotonic timer */ | |
34865134 | 615 | |
21d5d12b JK |
616 | static int64_t get_clock_realtime(void) |
617 | { | |
618 | struct timeval tv; | |
619 | ||
620 | gettimeofday(&tv, NULL); | |
621 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); | |
622 | } | |
623 | ||
1dce7c3c | 624 | #ifdef WIN32 |
0824d6fc | 625 | |
1dce7c3c | 626 | static int64_t clock_freq; |
1115dde7 | 627 | |
1dce7c3c | 628 | static void init_get_clock(void) |
1115dde7 | 629 | { |
a8e5ac33 FB |
630 | LARGE_INTEGER freq; |
631 | int ret; | |
1dce7c3c FB |
632 | ret = QueryPerformanceFrequency(&freq); |
633 | if (ret == 0) { | |
634 | fprintf(stderr, "Could not calibrate ticks\n"); | |
635 | exit(1); | |
636 | } | |
637 | clock_freq = freq.QuadPart; | |
1115dde7 FB |
638 | } |
639 | ||
1dce7c3c | 640 | static int64_t get_clock(void) |
b8076a74 | 641 | { |
1dce7c3c FB |
642 | LARGE_INTEGER ti; |
643 | QueryPerformanceCounter(&ti); | |
274dfed8 | 644 | return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq); |
b8076a74 FB |
645 | } |
646 | ||
1dce7c3c | 647 | #else |
90cb9493 | 648 | |
1dce7c3c FB |
649 | static int use_rt_clock; |
650 | ||
651 | static void init_get_clock(void) | |
90cb9493 | 652 | { |
1dce7c3c | 653 | use_rt_clock = 0; |
c5e97233 | 654 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
a167ba50 | 655 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
1dce7c3c FB |
656 | { |
657 | struct timespec ts; | |
658 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { | |
659 | use_rt_clock = 1; | |
660 | } | |
661 | } | |
662 | #endif | |
90cb9493 FB |
663 | } |
664 | ||
1dce7c3c | 665 | static int64_t get_clock(void) |
fdbb4691 | 666 | { |
c5e97233 | 667 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
a167ba50 | 668 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
1dce7c3c FB |
669 | if (use_rt_clock) { |
670 | struct timespec ts; | |
671 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
672 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; | |
5fafdf24 | 673 | } else |
fdbb4691 | 674 | #endif |
1dce7c3c FB |
675 | { |
676 | /* XXX: using gettimeofday leads to problems if the date | |
677 | changes, so it should be avoided. */ | |
21d5d12b | 678 | return get_clock_realtime(); |
1dce7c3c | 679 | } |
fdbb4691 | 680 | } |
34865134 FB |
681 | #endif |
682 | ||
2e70f6ef PB |
683 | /* Return the virtual CPU time, based on the instruction counter. */ |
684 | static int64_t cpu_get_icount(void) | |
685 | { | |
686 | int64_t icount; | |
687 | CPUState *env = cpu_single_env;; | |
688 | icount = qemu_icount; | |
689 | if (env) { | |
690 | if (!can_do_io(env)) | |
691 | fprintf(stderr, "Bad clock read\n"); | |
692 | icount -= (env->icount_decr.u16.low + env->icount_extra); | |
693 | } | |
694 | return qemu_icount_bias + (icount << icount_time_shift); | |
695 | } | |
696 | ||
1dce7c3c FB |
697 | /***********************************************************/ |
698 | /* guest cycle counter */ | |
699 | ||
6f68e33e JQ |
700 | typedef struct TimersState { |
701 | int64_t cpu_ticks_prev; | |
702 | int64_t cpu_ticks_offset; | |
703 | int64_t cpu_clock_offset; | |
704 | int32_t cpu_ticks_enabled; | |
274dfed8 | 705 | int64_t dummy; |
6f68e33e JQ |
706 | } TimersState; |
707 | ||
708 | TimersState timers_state; | |
34865134 | 709 | |
1dce7c3c FB |
710 | /* return the host CPU cycle counter and handle stop/restart */ |
711 | int64_t cpu_get_ticks(void) | |
34865134 | 712 | { |
2e70f6ef PB |
713 | if (use_icount) { |
714 | return cpu_get_icount(); | |
715 | } | |
6f68e33e JQ |
716 | if (!timers_state.cpu_ticks_enabled) { |
717 | return timers_state.cpu_ticks_offset; | |
8a7ddc38 | 718 | } else { |
eade0f19 FB |
719 | int64_t ticks; |
720 | ticks = cpu_get_real_ticks(); | |
6f68e33e | 721 | if (timers_state.cpu_ticks_prev > ticks) { |
eade0f19 FB |
722 | /* Note: non increasing ticks may happen if the host uses |
723 | software suspend */ | |
6f68e33e | 724 | timers_state.cpu_ticks_offset += timers_state.cpu_ticks_prev - ticks; |
eade0f19 | 725 | } |
6f68e33e JQ |
726 | timers_state.cpu_ticks_prev = ticks; |
727 | return ticks + timers_state.cpu_ticks_offset; | |
8a7ddc38 | 728 | } |
34865134 FB |
729 | } |
730 | ||
1dce7c3c FB |
731 | /* return the host CPU monotonic timer and handle stop/restart */ |
732 | static int64_t cpu_get_clock(void) | |
733 | { | |
734 | int64_t ti; | |
6f68e33e JQ |
735 | if (!timers_state.cpu_ticks_enabled) { |
736 | return timers_state.cpu_clock_offset; | |
1dce7c3c FB |
737 | } else { |
738 | ti = get_clock(); | |
6f68e33e | 739 | return ti + timers_state.cpu_clock_offset; |
1dce7c3c FB |
740 | } |
741 | } | |
742 | ||
34865134 FB |
743 | /* enable cpu_get_ticks() */ |
744 | void cpu_enable_ticks(void) | |
745 | { | |
6f68e33e JQ |
746 | if (!timers_state.cpu_ticks_enabled) { |
747 | timers_state.cpu_ticks_offset -= cpu_get_real_ticks(); | |
748 | timers_state.cpu_clock_offset -= get_clock(); | |
749 | timers_state.cpu_ticks_enabled = 1; | |
8a7ddc38 | 750 | } |
34865134 FB |
751 | } |
752 | ||
753 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
754 | cpu_get_ticks() after that. */ | |
755 | void cpu_disable_ticks(void) | |
756 | { | |
6f68e33e JQ |
757 | if (timers_state.cpu_ticks_enabled) { |
758 | timers_state.cpu_ticks_offset = cpu_get_ticks(); | |
759 | timers_state.cpu_clock_offset = cpu_get_clock(); | |
760 | timers_state.cpu_ticks_enabled = 0; | |
8a7ddc38 | 761 | } |
34865134 FB |
762 | } |
763 | ||
1dce7c3c FB |
764 | /***********************************************************/ |
765 | /* timers */ | |
5fafdf24 | 766 | |
0fdddf80 JK |
767 | #define QEMU_CLOCK_REALTIME 0 |
768 | #define QEMU_CLOCK_VIRTUAL 1 | |
21d5d12b | 769 | #define QEMU_CLOCK_HOST 2 |
8a7ddc38 FB |
770 | |
771 | struct QEMUClock { | |
772 | int type; | |
773 | /* XXX: add frequency */ | |
774 | }; | |
775 | ||
776 | struct QEMUTimer { | |
777 | QEMUClock *clock; | |
778 | int64_t expire_time; | |
779 | QEMUTimerCB *cb; | |
780 | void *opaque; | |
781 | struct QEMUTimer *next; | |
782 | }; | |
783 | ||
c8994013 TS |
784 | struct qemu_alarm_timer { |
785 | char const *name; | |
efe75411 | 786 | unsigned int flags; |
c8994013 TS |
787 | |
788 | int (*start)(struct qemu_alarm_timer *t); | |
789 | void (*stop)(struct qemu_alarm_timer *t); | |
efe75411 | 790 | void (*rearm)(struct qemu_alarm_timer *t); |
c8994013 TS |
791 | void *priv; |
792 | }; | |
793 | ||
efe75411 | 794 | #define ALARM_FLAG_DYNTICKS 0x1 |
d5d08334 | 795 | #define ALARM_FLAG_EXPIRED 0x2 |
efe75411 TS |
796 | |
797 | static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) | |
798 | { | |
e332340a | 799 | return t && (t->flags & ALARM_FLAG_DYNTICKS); |
efe75411 TS |
800 | } |
801 | ||
802 | static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) | |
803 | { | |
804 | if (!alarm_has_dynticks(t)) | |
805 | return; | |
806 | ||
807 | t->rearm(t); | |
808 | } | |
809 | ||
810 | /* TODO: MIN_TIMER_REARM_US should be optimized */ | |
811 | #define MIN_TIMER_REARM_US 250 | |
812 | ||
c8994013 | 813 | static struct qemu_alarm_timer *alarm_timer; |
8a7ddc38 | 814 | |
40c3bac3 | 815 | #ifdef _WIN32 |
c8994013 TS |
816 | |
817 | struct qemu_alarm_win32 { | |
818 | MMRESULT timerId; | |
c8994013 | 819 | unsigned int period; |
ef28c4b0 | 820 | } alarm_win32_data = {0, -1}; |
c8994013 TS |
821 | |
822 | static int win32_start_timer(struct qemu_alarm_timer *t); | |
823 | static void win32_stop_timer(struct qemu_alarm_timer *t); | |
efe75411 | 824 | static void win32_rearm_timer(struct qemu_alarm_timer *t); |
c8994013 | 825 | |
40c3bac3 | 826 | #else |
c8994013 TS |
827 | |
828 | static int unix_start_timer(struct qemu_alarm_timer *t); | |
829 | static void unix_stop_timer(struct qemu_alarm_timer *t); | |
830 | ||
231c6586 TS |
831 | #ifdef __linux__ |
832 | ||
efe75411 TS |
833 | static int dynticks_start_timer(struct qemu_alarm_timer *t); |
834 | static void dynticks_stop_timer(struct qemu_alarm_timer *t); | |
835 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t); | |
836 | ||
c40ec5a9 TS |
837 | static int hpet_start_timer(struct qemu_alarm_timer *t); |
838 | static void hpet_stop_timer(struct qemu_alarm_timer *t); | |
839 | ||
c8994013 TS |
840 | static int rtc_start_timer(struct qemu_alarm_timer *t); |
841 | static void rtc_stop_timer(struct qemu_alarm_timer *t); | |
842 | ||
efe75411 | 843 | #endif /* __linux__ */ |
8a7ddc38 | 844 | |
c8994013 TS |
845 | #endif /* _WIN32 */ |
846 | ||
2e70f6ef | 847 | /* Correlation between real and virtual time is always going to be |
bf20dc07 | 848 | fairly approximate, so ignore small variation. |
2e70f6ef PB |
849 | When the guest is idle real and virtual time will be aligned in |
850 | the IO wait loop. */ | |
274dfed8 | 851 | #define ICOUNT_WOBBLE (get_ticks_per_sec() / 10) |
2e70f6ef PB |
852 | |
853 | static void icount_adjust(void) | |
854 | { | |
855 | int64_t cur_time; | |
856 | int64_t cur_icount; | |
857 | int64_t delta; | |
858 | static int64_t last_delta; | |
859 | /* If the VM is not running, then do nothing. */ | |
860 | if (!vm_running) | |
861 | return; | |
862 | ||
863 | cur_time = cpu_get_clock(); | |
864 | cur_icount = qemu_get_clock(vm_clock); | |
865 | delta = cur_icount - cur_time; | |
866 | /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ | |
867 | if (delta > 0 | |
868 | && last_delta + ICOUNT_WOBBLE < delta * 2 | |
869 | && icount_time_shift > 0) { | |
870 | /* The guest is getting too far ahead. Slow time down. */ | |
871 | icount_time_shift--; | |
872 | } | |
873 | if (delta < 0 | |
874 | && last_delta - ICOUNT_WOBBLE > delta * 2 | |
875 | && icount_time_shift < MAX_ICOUNT_SHIFT) { | |
876 | /* The guest is getting too far behind. Speed time up. */ | |
877 | icount_time_shift++; | |
878 | } | |
879 | last_delta = delta; | |
880 | qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); | |
881 | } | |
882 | ||
883 | static void icount_adjust_rt(void * opaque) | |
884 | { | |
885 | qemu_mod_timer(icount_rt_timer, | |
886 | qemu_get_clock(rt_clock) + 1000); | |
887 | icount_adjust(); | |
888 | } | |
889 | ||
890 | static void icount_adjust_vm(void * opaque) | |
891 | { | |
892 | qemu_mod_timer(icount_vm_timer, | |
274dfed8 | 893 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
2e70f6ef PB |
894 | icount_adjust(); |
895 | } | |
896 | ||
897 | static void init_icount_adjust(void) | |
898 | { | |
899 | /* Have both realtime and virtual time triggers for speed adjustment. | |
900 | The realtime trigger catches emulated time passing too slowly, | |
901 | the virtual time trigger catches emulated time passing too fast. | |
902 | Realtime triggers occur even when idle, so use them less frequently | |
903 | than VM triggers. */ | |
904 | icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); | |
905 | qemu_mod_timer(icount_rt_timer, | |
906 | qemu_get_clock(rt_clock) + 1000); | |
907 | icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); | |
908 | qemu_mod_timer(icount_vm_timer, | |
274dfed8 | 909 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
2e70f6ef PB |
910 | } |
911 | ||
c8994013 | 912 | static struct qemu_alarm_timer alarm_timers[] = { |
efe75411 | 913 | #ifndef _WIN32 |
231c6586 | 914 | #ifdef __linux__ |
efe75411 TS |
915 | {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, |
916 | dynticks_stop_timer, dynticks_rearm_timer, NULL}, | |
c40ec5a9 | 917 | /* HPET - if available - is preferred */ |
efe75411 | 918 | {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, |
c40ec5a9 | 919 | /* ...otherwise try RTC */ |
efe75411 | 920 | {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, |
c8994013 | 921 | #endif |
efe75411 | 922 | {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, |
c8994013 | 923 | #else |
efe75411 TS |
924 | {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, |
925 | win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, | |
926 | {"win32", 0, win32_start_timer, | |
927 | win32_stop_timer, NULL, &alarm_win32_data}, | |
c8994013 TS |
928 | #endif |
929 | {NULL, } | |
930 | }; | |
931 | ||
3f47aa8c | 932 | static void show_available_alarms(void) |
f3dcfada TS |
933 | { |
934 | int i; | |
935 | ||
936 | printf("Available alarm timers, in order of precedence:\n"); | |
937 | for (i = 0; alarm_timers[i].name; i++) | |
938 | printf("%s\n", alarm_timers[i].name); | |
939 | } | |
940 | ||
941 | static void configure_alarms(char const *opt) | |
942 | { | |
943 | int i; | |
944 | int cur = 0; | |
b1503cda | 945 | int count = ARRAY_SIZE(alarm_timers) - 1; |
f3dcfada TS |
946 | char *arg; |
947 | char *name; | |
2e70f6ef | 948 | struct qemu_alarm_timer tmp; |
f3dcfada | 949 | |
3adda04c | 950 | if (!strcmp(opt, "?")) { |
f3dcfada TS |
951 | show_available_alarms(); |
952 | exit(0); | |
953 | } | |
954 | ||
73ffc805 | 955 | arg = qemu_strdup(opt); |
f3dcfada TS |
956 | |
957 | /* Reorder the array */ | |
958 | name = strtok(arg, ","); | |
959 | while (name) { | |
e2b577e5 | 960 | for (i = 0; i < count && alarm_timers[i].name; i++) { |
f3dcfada TS |
961 | if (!strcmp(alarm_timers[i].name, name)) |
962 | break; | |
963 | } | |
964 | ||
965 | if (i == count) { | |
966 | fprintf(stderr, "Unknown clock %s\n", name); | |
967 | goto next; | |
968 | } | |
969 | ||
970 | if (i < cur) | |
971 | /* Ignore */ | |
972 | goto next; | |
973 | ||
974 | /* Swap */ | |
975 | tmp = alarm_timers[i]; | |
976 | alarm_timers[i] = alarm_timers[cur]; | |
977 | alarm_timers[cur] = tmp; | |
978 | ||
979 | cur++; | |
980 | next: | |
981 | name = strtok(NULL, ","); | |
982 | } | |
983 | ||
73ffc805 | 984 | qemu_free(arg); |
f3dcfada TS |
985 | |
986 | if (cur) { | |
2e70f6ef | 987 | /* Disable remaining timers */ |
f3dcfada TS |
988 | for (i = cur; i < count; i++) |
989 | alarm_timers[i].name = NULL; | |
3adda04c AJ |
990 | } else { |
991 | show_available_alarms(); | |
992 | exit(1); | |
f3dcfada | 993 | } |
f3dcfada TS |
994 | } |
995 | ||
21d5d12b JK |
996 | #define QEMU_NUM_CLOCKS 3 |
997 | ||
c8994013 TS |
998 | QEMUClock *rt_clock; |
999 | QEMUClock *vm_clock; | |
21d5d12b | 1000 | QEMUClock *host_clock; |
c8994013 | 1001 | |
21d5d12b | 1002 | static QEMUTimer *active_timers[QEMU_NUM_CLOCKS]; |
c8994013 | 1003 | |
9596ebb7 | 1004 | static QEMUClock *qemu_new_clock(int type) |
8a7ddc38 FB |
1005 | { |
1006 | QEMUClock *clock; | |
1007 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
8a7ddc38 FB |
1008 | clock->type = type; |
1009 | return clock; | |
1010 | } | |
1011 | ||
1012 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
1013 | { | |
1014 | QEMUTimer *ts; | |
1015 | ||
1016 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
1017 | ts->clock = clock; | |
1018 | ts->cb = cb; | |
1019 | ts->opaque = opaque; | |
1020 | return ts; | |
1021 | } | |
1022 | ||
1023 | void qemu_free_timer(QEMUTimer *ts) | |
1024 | { | |
1025 | qemu_free(ts); | |
1026 | } | |
1027 | ||
1028 | /* stop a timer, but do not dealloc it */ | |
1029 | void qemu_del_timer(QEMUTimer *ts) | |
1030 | { | |
1031 | QEMUTimer **pt, *t; | |
1032 | ||
1033 | /* NOTE: this code must be signal safe because | |
1034 | qemu_timer_expired() can be called from a signal. */ | |
1035 | pt = &active_timers[ts->clock->type]; | |
1036 | for(;;) { | |
1037 | t = *pt; | |
1038 | if (!t) | |
1039 | break; | |
1040 | if (t == ts) { | |
1041 | *pt = t->next; | |
1042 | break; | |
1043 | } | |
1044 | pt = &t->next; | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | /* modify the current timer so that it will be fired when current_time | |
1049 | >= expire_time. The corresponding callback will be called. */ | |
1050 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
1051 | { | |
1052 | QEMUTimer **pt, *t; | |
1053 | ||
1054 | qemu_del_timer(ts); | |
1055 | ||
1056 | /* add the timer in the sorted list */ | |
1057 | /* NOTE: this code must be signal safe because | |
1058 | qemu_timer_expired() can be called from a signal. */ | |
1059 | pt = &active_timers[ts->clock->type]; | |
1060 | for(;;) { | |
1061 | t = *pt; | |
1062 | if (!t) | |
1063 | break; | |
5fafdf24 | 1064 | if (t->expire_time > expire_time) |
8a7ddc38 FB |
1065 | break; |
1066 | pt = &t->next; | |
1067 | } | |
1068 | ts->expire_time = expire_time; | |
1069 | ts->next = *pt; | |
1070 | *pt = ts; | |
d5d08334 AZ |
1071 | |
1072 | /* Rearm if necessary */ | |
2e70f6ef PB |
1073 | if (pt == &active_timers[ts->clock->type]) { |
1074 | if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { | |
1075 | qemu_rearm_alarm_timer(alarm_timer); | |
1076 | } | |
1077 | /* Interrupt execution to force deadline recalculation. */ | |
d9f75a4e AL |
1078 | if (use_icount) |
1079 | qemu_notify_event(); | |
2e70f6ef | 1080 | } |
8a7ddc38 FB |
1081 | } |
1082 | ||
1083 | int qemu_timer_pending(QEMUTimer *ts) | |
1084 | { | |
1085 | QEMUTimer *t; | |
1086 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
1087 | if (t == ts) | |
1088 | return 1; | |
1089 | } | |
1090 | return 0; | |
1091 | } | |
1092 | ||
2430ffe4 | 1093 | int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
8a7ddc38 FB |
1094 | { |
1095 | if (!timer_head) | |
1096 | return 0; | |
1097 | return (timer_head->expire_time <= current_time); | |
1098 | } | |
1099 | ||
1100 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
1101 | { | |
1102 | QEMUTimer *ts; | |
3b46e624 | 1103 | |
8a7ddc38 FB |
1104 | for(;;) { |
1105 | ts = *ptimer_head; | |
e95c8d51 | 1106 | if (!ts || ts->expire_time > current_time) |
8a7ddc38 FB |
1107 | break; |
1108 | /* remove timer from the list before calling the callback */ | |
1109 | *ptimer_head = ts->next; | |
1110 | ts->next = NULL; | |
3b46e624 | 1111 | |
8a7ddc38 FB |
1112 | /* run the callback (the timer list can be modified) */ |
1113 | ts->cb(ts->opaque); | |
1114 | } | |
1115 | } | |
1116 | ||
1117 | int64_t qemu_get_clock(QEMUClock *clock) | |
1118 | { | |
1119 | switch(clock->type) { | |
0fdddf80 | 1120 | case QEMU_CLOCK_REALTIME: |
1dce7c3c | 1121 | return get_clock() / 1000000; |
8a7ddc38 | 1122 | default: |
0fdddf80 | 1123 | case QEMU_CLOCK_VIRTUAL: |
2e70f6ef PB |
1124 | if (use_icount) { |
1125 | return cpu_get_icount(); | |
1126 | } else { | |
1127 | return cpu_get_clock(); | |
1128 | } | |
21d5d12b JK |
1129 | case QEMU_CLOCK_HOST: |
1130 | return get_clock_realtime(); | |
8a7ddc38 FB |
1131 | } |
1132 | } | |
1133 | ||
0fdddf80 | 1134 | static void init_clocks(void) |
1dce7c3c FB |
1135 | { |
1136 | init_get_clock(); | |
0fdddf80 JK |
1137 | rt_clock = qemu_new_clock(QEMU_CLOCK_REALTIME); |
1138 | vm_clock = qemu_new_clock(QEMU_CLOCK_VIRTUAL); | |
21d5d12b | 1139 | host_clock = qemu_new_clock(QEMU_CLOCK_HOST); |
6875204c JK |
1140 | |
1141 | rtc_clock = host_clock; | |
1dce7c3c FB |
1142 | } |
1143 | ||
8a7ddc38 FB |
1144 | /* save a timer */ |
1145 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
1146 | { | |
1147 | uint64_t expire_time; | |
1148 | ||
1149 | if (qemu_timer_pending(ts)) { | |
1150 | expire_time = ts->expire_time; | |
1151 | } else { | |
1152 | expire_time = -1; | |
1153 | } | |
1154 | qemu_put_be64(f, expire_time); | |
1155 | } | |
1156 | ||
1157 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
1158 | { | |
1159 | uint64_t expire_time; | |
1160 | ||
1161 | expire_time = qemu_get_be64(f); | |
1162 | if (expire_time != -1) { | |
1163 | qemu_mod_timer(ts, expire_time); | |
1164 | } else { | |
1165 | qemu_del_timer(ts); | |
1166 | } | |
1167 | } | |
1168 | ||
2faf58cd JQ |
1169 | static const VMStateDescription vmstate_timers = { |
1170 | .name = "timer", | |
1171 | .version_id = 2, | |
1172 | .minimum_version_id = 1, | |
1173 | .minimum_version_id_old = 1, | |
1174 | .fields = (VMStateField []) { | |
1175 | VMSTATE_INT64(cpu_ticks_offset, TimersState), | |
274dfed8 | 1176 | VMSTATE_INT64(dummy, TimersState), |
2faf58cd JQ |
1177 | VMSTATE_INT64_V(cpu_clock_offset, TimersState, 2), |
1178 | VMSTATE_END_OF_LIST() | |
c88676f8 | 1179 | } |
2faf58cd | 1180 | }; |
8a7ddc38 | 1181 | |
50317c7f AL |
1182 | static void qemu_event_increment(void); |
1183 | ||
67b915a5 | 1184 | #ifdef _WIN32 |
b9e82a59 BS |
1185 | static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, |
1186 | DWORD_PTR dwUser, DWORD_PTR dw1, | |
1187 | DWORD_PTR dw2) | |
67b915a5 | 1188 | #else |
8a7ddc38 | 1189 | static void host_alarm_handler(int host_signum) |
67b915a5 | 1190 | #endif |
8a7ddc38 | 1191 | { |
02ba45c5 FB |
1192 | #if 0 |
1193 | #define DISP_FREQ 1000 | |
1194 | { | |
1195 | static int64_t delta_min = INT64_MAX; | |
1196 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
1197 | static int count; | |
1198 | ti = qemu_get_clock(vm_clock); | |
1199 | if (last_clock != 0) { | |
1200 | delta = ti - last_clock; | |
1201 | if (delta < delta_min) | |
1202 | delta_min = delta; | |
1203 | if (delta > delta_max) | |
1204 | delta_max = delta; | |
1205 | delta_cum += delta; | |
1206 | if (++count == DISP_FREQ) { | |
26a76461 | 1207 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", |
6ee093c9 JQ |
1208 | muldiv64(delta_min, 1000000, get_ticks_per_sec()), |
1209 | muldiv64(delta_max, 1000000, get_ticks_per_sec()), | |
1210 | muldiv64(delta_cum, 1000000 / DISP_FREQ, get_ticks_per_sec()), | |
1211 | (double)get_ticks_per_sec() / ((double)delta_cum / DISP_FREQ)); | |
02ba45c5 FB |
1212 | count = 0; |
1213 | delta_min = INT64_MAX; | |
1214 | delta_max = 0; | |
1215 | delta_cum = 0; | |
1216 | } | |
1217 | } | |
1218 | last_clock = ti; | |
1219 | } | |
1220 | #endif | |
efe75411 | 1221 | if (alarm_has_dynticks(alarm_timer) || |
2e70f6ef | 1222 | (!use_icount && |
0fdddf80 | 1223 | qemu_timer_expired(active_timers[QEMU_CLOCK_VIRTUAL], |
2e70f6ef | 1224 | qemu_get_clock(vm_clock))) || |
0fdddf80 | 1225 | qemu_timer_expired(active_timers[QEMU_CLOCK_REALTIME], |
21d5d12b JK |
1226 | qemu_get_clock(rt_clock)) || |
1227 | qemu_timer_expired(active_timers[QEMU_CLOCK_HOST], | |
1228 | qemu_get_clock(host_clock))) { | |
50317c7f | 1229 | qemu_event_increment(); |
e332340a | 1230 | if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED; |
d5d08334 | 1231 | |
d6dc3d42 AL |
1232 | #ifndef CONFIG_IOTHREAD |
1233 | if (next_cpu) { | |
4f8eb8da | 1234 | /* stop the currently executing cpu because a timer occured */ |
d6dc3d42 | 1235 | cpu_exit(next_cpu); |
4f8eb8da | 1236 | } |
d6dc3d42 | 1237 | #endif |
43b96858 | 1238 | timer_alarm_pending = 1; |
d9f75a4e | 1239 | qemu_notify_event(); |
8a7ddc38 FB |
1240 | } |
1241 | } | |
1242 | ||
2e70f6ef | 1243 | static int64_t qemu_next_deadline(void) |
efe75411 | 1244 | { |
21d5d12b JK |
1245 | /* To avoid problems with overflow limit this to 2^32. */ |
1246 | int64_t delta = INT32_MAX; | |
efe75411 | 1247 | |
0fdddf80 JK |
1248 | if (active_timers[QEMU_CLOCK_VIRTUAL]) { |
1249 | delta = active_timers[QEMU_CLOCK_VIRTUAL]->expire_time - | |
2e70f6ef | 1250 | qemu_get_clock(vm_clock); |
21d5d12b JK |
1251 | } |
1252 | if (active_timers[QEMU_CLOCK_HOST]) { | |
1253 | int64_t hdelta = active_timers[QEMU_CLOCK_HOST]->expire_time - | |
1254 | qemu_get_clock(host_clock); | |
1255 | if (hdelta < delta) | |
1256 | delta = hdelta; | |
efe75411 TS |
1257 | } |
1258 | ||
2e70f6ef PB |
1259 | if (delta < 0) |
1260 | delta = 0; | |
efe75411 | 1261 | |
2e70f6ef PB |
1262 | return delta; |
1263 | } | |
1264 | ||
f64382ba | 1265 | #if defined(__linux__) |
2e70f6ef PB |
1266 | static uint64_t qemu_next_deadline_dyntick(void) |
1267 | { | |
1268 | int64_t delta; | |
1269 | int64_t rtdelta; | |
1270 | ||
1271 | if (use_icount) | |
1272 | delta = INT32_MAX; | |
1273 | else | |
1274 | delta = (qemu_next_deadline() + 999) / 1000; | |
1275 | ||
0fdddf80 JK |
1276 | if (active_timers[QEMU_CLOCK_REALTIME]) { |
1277 | rtdelta = (active_timers[QEMU_CLOCK_REALTIME]->expire_time - | |
2e70f6ef PB |
1278 | qemu_get_clock(rt_clock))*1000; |
1279 | if (rtdelta < delta) | |
1280 | delta = rtdelta; | |
1281 | } | |
1282 | ||
1283 | if (delta < MIN_TIMER_REARM_US) | |
1284 | delta = MIN_TIMER_REARM_US; | |
1285 | ||
1286 | return delta; | |
efe75411 | 1287 | } |
8632fb9a | 1288 | #endif |
efe75411 | 1289 | |
fd872598 FB |
1290 | #ifndef _WIN32 |
1291 | ||
7183b4b4 AL |
1292 | /* Sets a specific flag */ |
1293 | static int fcntl_setfl(int fd, int flag) | |
1294 | { | |
1295 | int flags; | |
1296 | ||
1297 | flags = fcntl(fd, F_GETFL); | |
1298 | if (flags == -1) | |
1299 | return -errno; | |
1300 | ||
1301 | if (fcntl(fd, F_SETFL, flags | flag) == -1) | |
1302 | return -errno; | |
1303 | ||
1304 | return 0; | |
1305 | } | |
1306 | ||
829309c7 FB |
1307 | #if defined(__linux__) |
1308 | ||
fd872598 FB |
1309 | #define RTC_FREQ 1024 |
1310 | ||
de9a95f0 | 1311 | static void enable_sigio_timer(int fd) |
c8994013 TS |
1312 | { |
1313 | struct sigaction act; | |
1314 | ||
1315 | /* timer signal */ | |
1316 | sigfillset(&act.sa_mask); | |
1317 | act.sa_flags = 0; | |
c8994013 TS |
1318 | act.sa_handler = host_alarm_handler; |
1319 | ||
1320 | sigaction(SIGIO, &act, NULL); | |
7183b4b4 | 1321 | fcntl_setfl(fd, O_ASYNC); |
c8994013 TS |
1322 | fcntl(fd, F_SETOWN, getpid()); |
1323 | } | |
829309c7 | 1324 | |
c40ec5a9 TS |
1325 | static int hpet_start_timer(struct qemu_alarm_timer *t) |
1326 | { | |
1327 | struct hpet_info info; | |
1328 | int r, fd; | |
1329 | ||
40ff6d7e | 1330 | fd = qemu_open("/dev/hpet", O_RDONLY); |
c40ec5a9 TS |
1331 | if (fd < 0) |
1332 | return -1; | |
1333 | ||
1334 | /* Set frequency */ | |
1335 | r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); | |
1336 | if (r < 0) { | |
1337 | fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" | |
1338 | "error, but for better emulation accuracy type:\n" | |
1339 | "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); | |
1340 | goto fail; | |
1341 | } | |
1342 | ||
1343 | /* Check capabilities */ | |
1344 | r = ioctl(fd, HPET_INFO, &info); | |
1345 | if (r < 0) | |
1346 | goto fail; | |
1347 | ||
1348 | /* Enable periodic mode */ | |
1349 | r = ioctl(fd, HPET_EPI, 0); | |
1350 | if (info.hi_flags && (r < 0)) | |
1351 | goto fail; | |
1352 | ||
1353 | /* Enable interrupt */ | |
1354 | r = ioctl(fd, HPET_IE_ON, 0); | |
1355 | if (r < 0) | |
1356 | goto fail; | |
1357 | ||
1358 | enable_sigio_timer(fd); | |
fcdc2129 | 1359 | t->priv = (void *)(long)fd; |
c40ec5a9 TS |
1360 | |
1361 | return 0; | |
1362 | fail: | |
1363 | close(fd); | |
1364 | return -1; | |
1365 | } | |
1366 | ||
1367 | static void hpet_stop_timer(struct qemu_alarm_timer *t) | |
1368 | { | |
fcdc2129 | 1369 | int fd = (long)t->priv; |
c40ec5a9 TS |
1370 | |
1371 | close(fd); | |
1372 | } | |
1373 | ||
c8994013 | 1374 | static int rtc_start_timer(struct qemu_alarm_timer *t) |
fd872598 | 1375 | { |
c8994013 | 1376 | int rtc_fd; |
b5a23ad4 | 1377 | unsigned long current_rtc_freq = 0; |
c8994013 | 1378 | |
40ff6d7e | 1379 | TFR(rtc_fd = qemu_open("/dev/rtc", O_RDONLY)); |
fd872598 FB |
1380 | if (rtc_fd < 0) |
1381 | return -1; | |
b5a23ad4 AZ |
1382 | ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); |
1383 | if (current_rtc_freq != RTC_FREQ && | |
1384 | ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
fd872598 FB |
1385 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" |
1386 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
1387 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
1388 | goto fail; | |
1389 | } | |
1390 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
1391 | fail: | |
1392 | close(rtc_fd); | |
1393 | return -1; | |
1394 | } | |
c8994013 TS |
1395 | |
1396 | enable_sigio_timer(rtc_fd); | |
1397 | ||
fcdc2129 | 1398 | t->priv = (void *)(long)rtc_fd; |
c8994013 | 1399 | |
fd872598 FB |
1400 | return 0; |
1401 | } | |
1402 | ||
c8994013 | 1403 | static void rtc_stop_timer(struct qemu_alarm_timer *t) |
829309c7 | 1404 | { |
fcdc2129 | 1405 | int rtc_fd = (long)t->priv; |
c8994013 TS |
1406 | |
1407 | close(rtc_fd); | |
829309c7 FB |
1408 | } |
1409 | ||
efe75411 TS |
1410 | static int dynticks_start_timer(struct qemu_alarm_timer *t) |
1411 | { | |
1412 | struct sigevent ev; | |
1413 | timer_t host_timer; | |
1414 | struct sigaction act; | |
1415 | ||
1416 | sigfillset(&act.sa_mask); | |
1417 | act.sa_flags = 0; | |
efe75411 TS |
1418 | act.sa_handler = host_alarm_handler; |
1419 | ||
1420 | sigaction(SIGALRM, &act, NULL); | |
1421 | ||
9ed415b2 JCD |
1422 | /* |
1423 | * Initialize ev struct to 0 to avoid valgrind complaining | |
1424 | * about uninitialized data in timer_create call | |
1425 | */ | |
1426 | memset(&ev, 0, sizeof(ev)); | |
efe75411 TS |
1427 | ev.sigev_value.sival_int = 0; |
1428 | ev.sigev_notify = SIGEV_SIGNAL; | |
1429 | ev.sigev_signo = SIGALRM; | |
1430 | ||
1431 | if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { | |
1432 | perror("timer_create"); | |
1433 | ||
1434 | /* disable dynticks */ | |
1435 | fprintf(stderr, "Dynamic Ticks disabled\n"); | |
1436 | ||
1437 | return -1; | |
1438 | } | |
1439 | ||
0399bfe0 | 1440 | t->priv = (void *)(long)host_timer; |
efe75411 TS |
1441 | |
1442 | return 0; | |
1443 | } | |
1444 | ||
1445 | static void dynticks_stop_timer(struct qemu_alarm_timer *t) | |
1446 | { | |
0399bfe0 | 1447 | timer_t host_timer = (timer_t)(long)t->priv; |
efe75411 TS |
1448 | |
1449 | timer_delete(host_timer); | |
1450 | } | |
1451 | ||
1452 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t) | |
1453 | { | |
0399bfe0 | 1454 | timer_t host_timer = (timer_t)(long)t->priv; |
efe75411 TS |
1455 | struct itimerspec timeout; |
1456 | int64_t nearest_delta_us = INT64_MAX; | |
1457 | int64_t current_us; | |
1458 | ||
0fdddf80 | 1459 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
21d5d12b JK |
1460 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
1461 | !active_timers[QEMU_CLOCK_HOST]) | |
d5d08334 | 1462 | return; |
efe75411 | 1463 | |
2e70f6ef | 1464 | nearest_delta_us = qemu_next_deadline_dyntick(); |
efe75411 TS |
1465 | |
1466 | /* check whether a timer is already running */ | |
1467 | if (timer_gettime(host_timer, &timeout)) { | |
1468 | perror("gettime"); | |
1469 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1470 | exit(1); | |
1471 | } | |
1472 | current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; | |
1473 | if (current_us && current_us <= nearest_delta_us) | |
1474 | return; | |
1475 | ||
1476 | timeout.it_interval.tv_sec = 0; | |
1477 | timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ | |
1478 | timeout.it_value.tv_sec = nearest_delta_us / 1000000; | |
1479 | timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; | |
1480 | if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { | |
1481 | perror("settime"); | |
1482 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1483 | exit(1); | |
1484 | } | |
1485 | } | |
1486 | ||
70744b3a | 1487 | #endif /* defined(__linux__) */ |
231c6586 | 1488 | |
c8994013 TS |
1489 | static int unix_start_timer(struct qemu_alarm_timer *t) |
1490 | { | |
1491 | struct sigaction act; | |
1492 | struct itimerval itv; | |
1493 | int err; | |
1494 | ||
1495 | /* timer signal */ | |
1496 | sigfillset(&act.sa_mask); | |
1497 | act.sa_flags = 0; | |
c8994013 TS |
1498 | act.sa_handler = host_alarm_handler; |
1499 | ||
1500 | sigaction(SIGALRM, &act, NULL); | |
1501 | ||
1502 | itv.it_interval.tv_sec = 0; | |
1503 | /* for i386 kernel 2.6 to get 1 ms */ | |
1504 | itv.it_interval.tv_usec = 999; | |
1505 | itv.it_value.tv_sec = 0; | |
1506 | itv.it_value.tv_usec = 10 * 1000; | |
1507 | ||
1508 | err = setitimer(ITIMER_REAL, &itv, NULL); | |
1509 | if (err) | |
1510 | return -1; | |
1511 | ||
1512 | return 0; | |
1513 | } | |
1514 | ||
1515 | static void unix_stop_timer(struct qemu_alarm_timer *t) | |
1516 | { | |
1517 | struct itimerval itv; | |
1518 | ||
1519 | memset(&itv, 0, sizeof(itv)); | |
1520 | setitimer(ITIMER_REAL, &itv, NULL); | |
1521 | } | |
1522 | ||
829309c7 | 1523 | #endif /* !defined(_WIN32) */ |
fd872598 | 1524 | |
f49e58dc | 1525 | |
c8994013 TS |
1526 | #ifdef _WIN32 |
1527 | ||
1528 | static int win32_start_timer(struct qemu_alarm_timer *t) | |
1529 | { | |
1530 | TIMECAPS tc; | |
1531 | struct qemu_alarm_win32 *data = t->priv; | |
efe75411 | 1532 | UINT flags; |
c8994013 | 1533 | |
c8994013 TS |
1534 | memset(&tc, 0, sizeof(tc)); |
1535 | timeGetDevCaps(&tc, sizeof(tc)); | |
1536 | ||
1537 | if (data->period < tc.wPeriodMin) | |
1538 | data->period = tc.wPeriodMin; | |
1539 | ||
1540 | timeBeginPeriod(data->period); | |
1541 | ||
efe75411 TS |
1542 | flags = TIME_CALLBACK_FUNCTION; |
1543 | if (alarm_has_dynticks(t)) | |
1544 | flags |= TIME_ONESHOT; | |
1545 | else | |
1546 | flags |= TIME_PERIODIC; | |
1547 | ||
c8994013 TS |
1548 | data->timerId = timeSetEvent(1, // interval (ms) |
1549 | data->period, // resolution | |
1550 | host_alarm_handler, // function | |
1551 | (DWORD)t, // parameter | |
efe75411 | 1552 | flags); |
c8994013 TS |
1553 | |
1554 | if (!data->timerId) { | |
20889d4e | 1555 | fprintf(stderr, "Failed to initialize win32 alarm timer: %ld\n", |
705e83f6 | 1556 | GetLastError()); |
c8994013 | 1557 | timeEndPeriod(data->period); |
c8994013 TS |
1558 | return -1; |
1559 | } | |
1560 | ||
c8994013 TS |
1561 | return 0; |
1562 | } | |
1563 | ||
1564 | static void win32_stop_timer(struct qemu_alarm_timer *t) | |
1565 | { | |
1566 | struct qemu_alarm_win32 *data = t->priv; | |
1567 | ||
1568 | timeKillEvent(data->timerId); | |
1569 | timeEndPeriod(data->period); | |
c8994013 TS |
1570 | } |
1571 | ||
efe75411 TS |
1572 | static void win32_rearm_timer(struct qemu_alarm_timer *t) |
1573 | { | |
1574 | struct qemu_alarm_win32 *data = t->priv; | |
efe75411 | 1575 | |
0fdddf80 | 1576 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
21d5d12b JK |
1577 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
1578 | !active_timers[QEMU_CLOCK_HOST]) | |
d5d08334 | 1579 | return; |
efe75411 | 1580 | |
efe75411 TS |
1581 | timeKillEvent(data->timerId); |
1582 | ||
1583 | data->timerId = timeSetEvent(1, | |
1584 | data->period, | |
1585 | host_alarm_handler, | |
1586 | (DWORD)t, | |
1587 | TIME_ONESHOT | TIME_PERIODIC); | |
1588 | ||
1589 | if (!data->timerId) { | |
20889d4e | 1590 | fprintf(stderr, "Failed to re-arm win32 alarm timer %ld\n", |
705e83f6 | 1591 | GetLastError()); |
efe75411 TS |
1592 | |
1593 | timeEndPeriod(data->period); | |
efe75411 TS |
1594 | exit(1); |
1595 | } | |
1596 | } | |
1597 | ||
c8994013 TS |
1598 | #endif /* _WIN32 */ |
1599 | ||
7183b4b4 | 1600 | static int init_timer_alarm(void) |
8a7ddc38 | 1601 | { |
223f0d72 | 1602 | struct qemu_alarm_timer *t = NULL; |
c8994013 | 1603 | int i, err = -1; |
f49e58dc | 1604 | |
c8994013 TS |
1605 | for (i = 0; alarm_timers[i].name; i++) { |
1606 | t = &alarm_timers[i]; | |
1607 | ||
c8994013 TS |
1608 | err = t->start(t); |
1609 | if (!err) | |
1610 | break; | |
67b915a5 | 1611 | } |
fd872598 | 1612 | |
c8994013 | 1613 | if (err) { |
7183b4b4 AL |
1614 | err = -ENOENT; |
1615 | goto fail; | |
67b915a5 | 1616 | } |
c8994013 TS |
1617 | |
1618 | alarm_timer = t; | |
7183b4b4 | 1619 | |
6abfbd79 | 1620 | return 0; |
7183b4b4 AL |
1621 | |
1622 | fail: | |
7183b4b4 | 1623 | return err; |
8a7ddc38 FB |
1624 | } |
1625 | ||
9596ebb7 | 1626 | static void quit_timers(void) |
40c3bac3 | 1627 | { |
c8994013 TS |
1628 | alarm_timer->stop(alarm_timer); |
1629 | alarm_timer = NULL; | |
40c3bac3 FB |
1630 | } |
1631 | ||
f6503059 AZ |
1632 | /***********************************************************/ |
1633 | /* host time/date access */ | |
1634 | void qemu_get_timedate(struct tm *tm, int offset) | |
1635 | { | |
1636 | time_t ti; | |
1637 | struct tm *ret; | |
1638 | ||
1639 | time(&ti); | |
1640 | ti += offset; | |
1641 | if (rtc_date_offset == -1) { | |
1642 | if (rtc_utc) | |
1643 | ret = gmtime(&ti); | |
1644 | else | |
1645 | ret = localtime(&ti); | |
1646 | } else { | |
1647 | ti -= rtc_date_offset; | |
1648 | ret = gmtime(&ti); | |
1649 | } | |
1650 | ||
1651 | memcpy(tm, ret, sizeof(struct tm)); | |
1652 | } | |
1653 | ||
1654 | int qemu_timedate_diff(struct tm *tm) | |
1655 | { | |
1656 | time_t seconds; | |
1657 | ||
1658 | if (rtc_date_offset == -1) | |
1659 | if (rtc_utc) | |
1660 | seconds = mktimegm(tm); | |
1661 | else | |
1662 | seconds = mktime(tm); | |
1663 | else | |
1664 | seconds = mktimegm(tm) + rtc_date_offset; | |
1665 | ||
1666 | return seconds - time(NULL); | |
1667 | } | |
1668 | ||
1ed2fc1f JK |
1669 | static void configure_rtc_date_offset(const char *startdate, int legacy) |
1670 | { | |
1671 | time_t rtc_start_date; | |
1672 | struct tm tm; | |
1673 | ||
1674 | if (!strcmp(startdate, "now") && legacy) { | |
1675 | rtc_date_offset = -1; | |
1676 | } else { | |
1677 | if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", | |
1678 | &tm.tm_year, | |
1679 | &tm.tm_mon, | |
1680 | &tm.tm_mday, | |
1681 | &tm.tm_hour, | |
1682 | &tm.tm_min, | |
1683 | &tm.tm_sec) == 6) { | |
1684 | /* OK */ | |
1685 | } else if (sscanf(startdate, "%d-%d-%d", | |
1686 | &tm.tm_year, | |
1687 | &tm.tm_mon, | |
1688 | &tm.tm_mday) == 3) { | |
1689 | tm.tm_hour = 0; | |
1690 | tm.tm_min = 0; | |
1691 | tm.tm_sec = 0; | |
1692 | } else { | |
1693 | goto date_fail; | |
1694 | } | |
1695 | tm.tm_year -= 1900; | |
1696 | tm.tm_mon--; | |
1697 | rtc_start_date = mktimegm(&tm); | |
1698 | if (rtc_start_date == -1) { | |
1699 | date_fail: | |
1700 | fprintf(stderr, "Invalid date format. Valid formats are:\n" | |
1701 | "'2006-06-17T16:01:21' or '2006-06-17'\n"); | |
1702 | exit(1); | |
1703 | } | |
1704 | rtc_date_offset = time(NULL) - rtc_start_date; | |
1705 | } | |
1706 | } | |
1707 | ||
1708 | static void configure_rtc(QemuOpts *opts) | |
1709 | { | |
1710 | const char *value; | |
1711 | ||
1712 | value = qemu_opt_get(opts, "base"); | |
1713 | if (value) { | |
1714 | if (!strcmp(value, "utc")) { | |
1715 | rtc_utc = 1; | |
1716 | } else if (!strcmp(value, "localtime")) { | |
1717 | rtc_utc = 0; | |
1718 | } else { | |
1719 | configure_rtc_date_offset(value, 0); | |
1720 | } | |
1721 | } | |
6875204c JK |
1722 | value = qemu_opt_get(opts, "clock"); |
1723 | if (value) { | |
1724 | if (!strcmp(value, "host")) { | |
1725 | rtc_clock = host_clock; | |
1726 | } else if (!strcmp(value, "vm")) { | |
1727 | rtc_clock = vm_clock; | |
1728 | } else { | |
1729 | fprintf(stderr, "qemu: invalid option value '%s'\n", value); | |
1730 | exit(1); | |
1731 | } | |
1732 | } | |
1ed2fc1f JK |
1733 | #ifdef CONFIG_TARGET_I386 |
1734 | value = qemu_opt_get(opts, "driftfix"); | |
1735 | if (value) { | |
1736 | if (!strcmp(buf, "slew")) { | |
1737 | rtc_td_hack = 1; | |
1738 | } else if (!strcmp(buf, "none")) { | |
1739 | rtc_td_hack = 0; | |
1740 | } else { | |
1741 | fprintf(stderr, "qemu: invalid option value '%s'\n", value); | |
1742 | exit(1); | |
1743 | } | |
1744 | } | |
1745 | #endif | |
1746 | } | |
1747 | ||
fd1dff4b | 1748 | #ifdef _WIN32 |
fd1dff4b FB |
1749 | static void socket_cleanup(void) |
1750 | { | |
1751 | WSACleanup(); | |
1752 | } | |
82c643ff | 1753 | |
fd1dff4b FB |
1754 | static int socket_init(void) |
1755 | { | |
1756 | WSADATA Data; | |
1757 | int ret, err; | |
1758 | ||
1759 | ret = WSAStartup(MAKEWORD(2,2), &Data); | |
1760 | if (ret != 0) { | |
1761 | err = WSAGetLastError(); | |
1762 | fprintf(stderr, "WSAStartup: %d\n", err); | |
1763 | return -1; | |
1764 | } | |
1765 | atexit(socket_cleanup); | |
1766 | return 0; | |
1767 | } | |
64b7b733 AJ |
1768 | #endif |
1769 | ||
1ae26a18 AZ |
1770 | /***********************************************************/ |
1771 | /* Bluetooth support */ | |
1772 | static int nb_hcis; | |
1773 | static int cur_hci; | |
1774 | static struct HCIInfo *hci_table[MAX_NICS]; | |
dc72ac14 | 1775 | |
1ae26a18 AZ |
1776 | static struct bt_vlan_s { |
1777 | struct bt_scatternet_s net; | |
1778 | int id; | |
1779 | struct bt_vlan_s *next; | |
1780 | } *first_bt_vlan; | |
1781 | ||
1782 | /* find or alloc a new bluetooth "VLAN" */ | |
674bb261 | 1783 | static struct bt_scatternet_s *qemu_find_bt_vlan(int id) |
1ae26a18 AZ |
1784 | { |
1785 | struct bt_vlan_s **pvlan, *vlan; | |
1786 | for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { | |
1787 | if (vlan->id == id) | |
1788 | return &vlan->net; | |
1789 | } | |
1790 | vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); | |
1791 | vlan->id = id; | |
1792 | pvlan = &first_bt_vlan; | |
1793 | while (*pvlan != NULL) | |
1794 | pvlan = &(*pvlan)->next; | |
1795 | *pvlan = vlan; | |
1796 | return &vlan->net; | |
1797 | } | |
1798 | ||
1799 | static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) | |
1800 | { | |
1801 | } | |
1802 | ||
1803 | static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) | |
1804 | { | |
1805 | return -ENOTSUP; | |
1806 | } | |
1807 | ||
1808 | static struct HCIInfo null_hci = { | |
1809 | .cmd_send = null_hci_send, | |
1810 | .sco_send = null_hci_send, | |
1811 | .acl_send = null_hci_send, | |
1812 | .bdaddr_set = null_hci_addr_set, | |
1813 | }; | |
1814 | ||
1815 | struct HCIInfo *qemu_next_hci(void) | |
1816 | { | |
1817 | if (cur_hci == nb_hcis) | |
1818 | return &null_hci; | |
1819 | ||
1820 | return hci_table[cur_hci++]; | |
1821 | } | |
1822 | ||
dc72ac14 AZ |
1823 | static struct HCIInfo *hci_init(const char *str) |
1824 | { | |
1825 | char *endp; | |
1826 | struct bt_scatternet_s *vlan = 0; | |
1827 | ||
1828 | if (!strcmp(str, "null")) | |
1829 | /* null */ | |
1830 | return &null_hci; | |
1831 | else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) | |
1832 | /* host[:hciN] */ | |
1833 | return bt_host_hci(str[4] ? str + 5 : "hci0"); | |
1834 | else if (!strncmp(str, "hci", 3)) { | |
1835 | /* hci[,vlan=n] */ | |
1836 | if (str[3]) { | |
1837 | if (!strncmp(str + 3, ",vlan=", 6)) { | |
1838 | vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); | |
1839 | if (*endp) | |
1840 | vlan = 0; | |
1841 | } | |
1842 | } else | |
1843 | vlan = qemu_find_bt_vlan(0); | |
1844 | if (vlan) | |
1845 | return bt_new_hci(vlan); | |
1846 | } | |
1847 | ||
1848 | fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str); | |
1849 | ||
1850 | return 0; | |
1851 | } | |
1852 | ||
1853 | static int bt_hci_parse(const char *str) | |
1854 | { | |
1855 | struct HCIInfo *hci; | |
c227f099 | 1856 | bdaddr_t bdaddr; |
dc72ac14 AZ |
1857 | |
1858 | if (nb_hcis >= MAX_NICS) { | |
1859 | fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS); | |
1860 | return -1; | |
1861 | } | |
1862 | ||
1863 | hci = hci_init(str); | |
1864 | if (!hci) | |
1865 | return -1; | |
1866 | ||
1867 | bdaddr.b[0] = 0x52; | |
1868 | bdaddr.b[1] = 0x54; | |
1869 | bdaddr.b[2] = 0x00; | |
1870 | bdaddr.b[3] = 0x12; | |
1871 | bdaddr.b[4] = 0x34; | |
1872 | bdaddr.b[5] = 0x56 + nb_hcis; | |
1873 | hci->bdaddr_set(hci, bdaddr.b); | |
1874 | ||
1875 | hci_table[nb_hcis++] = hci; | |
1876 | ||
1877 | return 0; | |
1878 | } | |
1879 | ||
1880 | static void bt_vhci_add(int vlan_id) | |
1881 | { | |
1882 | struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); | |
1883 | ||
1884 | if (!vlan->slave) | |
1885 | fprintf(stderr, "qemu: warning: adding a VHCI to " | |
1886 | "an empty scatternet %i\n", vlan_id); | |
1887 | ||
1888 | bt_vhci_init(bt_new_hci(vlan)); | |
1889 | } | |
1890 | ||
1891 | static struct bt_device_s *bt_device_add(const char *opt) | |
1892 | { | |
1893 | struct bt_scatternet_s *vlan; | |
1894 | int vlan_id = 0; | |
1895 | char *endp = strstr(opt, ",vlan="); | |
1896 | int len = (endp ? endp - opt : strlen(opt)) + 1; | |
1897 | char devname[10]; | |
1898 | ||
1899 | pstrcpy(devname, MIN(sizeof(devname), len), opt); | |
1900 | ||
1901 | if (endp) { | |
1902 | vlan_id = strtol(endp + 6, &endp, 0); | |
1903 | if (*endp) { | |
1904 | fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); | |
1905 | return 0; | |
1906 | } | |
1907 | } | |
1908 | ||
1909 | vlan = qemu_find_bt_vlan(vlan_id); | |
1910 | ||
1911 | if (!vlan->slave) | |
1912 | fprintf(stderr, "qemu: warning: adding a slave device to " | |
1913 | "an empty scatternet %i\n", vlan_id); | |
1914 | ||
1915 | if (!strcmp(devname, "keyboard")) | |
1916 | return bt_keyboard_init(vlan); | |
1917 | ||
1918 | fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); | |
1919 | return 0; | |
1920 | } | |
1921 | ||
1922 | static int bt_parse(const char *opt) | |
1923 | { | |
1924 | const char *endp, *p; | |
1925 | int vlan; | |
1926 | ||
1927 | if (strstart(opt, "hci", &endp)) { | |
1928 | if (!*endp || *endp == ',') { | |
1929 | if (*endp) | |
1930 | if (!strstart(endp, ",vlan=", 0)) | |
1931 | opt = endp + 1; | |
1932 | ||
1933 | return bt_hci_parse(opt); | |
1934 | } | |
1935 | } else if (strstart(opt, "vhci", &endp)) { | |
1936 | if (!*endp || *endp == ',') { | |
1937 | if (*endp) { | |
1938 | if (strstart(endp, ",vlan=", &p)) { | |
1939 | vlan = strtol(p, (char **) &endp, 0); | |
1940 | if (*endp) { | |
1941 | fprintf(stderr, "qemu: bad scatternet '%s'\n", p); | |
1942 | return 1; | |
1943 | } | |
1944 | } else { | |
1945 | fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); | |
1946 | return 1; | |
1947 | } | |
1948 | } else | |
1949 | vlan = 0; | |
1950 | ||
1951 | bt_vhci_add(vlan); | |
1952 | return 0; | |
1953 | } | |
1954 | } else if (strstart(opt, "device:", &endp)) | |
1955 | return !bt_device_add(endp); | |
1956 | ||
1957 | fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); | |
1958 | return 1; | |
1959 | } | |
1960 | ||
1ae26a18 AZ |
1961 | /***********************************************************/ |
1962 | /* QEMU Block devices */ | |
1963 | ||
609497ab | 1964 | #define HD_ALIAS "index=%d,media=disk" |
e4bcb14c | 1965 | #define CDROM_ALIAS "index=2,media=cdrom" |
e4bcb14c | 1966 | #define FD_ALIAS "index=%d,if=floppy" |
609497ab AZ |
1967 | #define PFLASH_ALIAS "if=pflash" |
1968 | #define MTD_ALIAS "if=mtd" | |
9d413d1d | 1969 | #define SD_ALIAS "index=0,if=sd" |
e4bcb14c | 1970 | |
9dfd7c7a | 1971 | QemuOpts *drive_add(const char *file, const char *fmt, ...) |
e4bcb14c TS |
1972 | { |
1973 | va_list ap; | |
9dfd7c7a GH |
1974 | char optstr[1024]; |
1975 | QemuOpts *opts; | |
e4bcb14c | 1976 | |
e4bcb14c | 1977 | va_start(ap, fmt); |
9dfd7c7a | 1978 | vsnprintf(optstr, sizeof(optstr), fmt, ap); |
e4bcb14c TS |
1979 | va_end(ap); |
1980 | ||
7282a033 | 1981 | opts = qemu_opts_parse(&qemu_drive_opts, optstr, NULL); |
9dfd7c7a GH |
1982 | if (!opts) { |
1983 | fprintf(stderr, "%s: huh? duplicate? (%s)\n", | |
1984 | __FUNCTION__, optstr); | |
1985 | return NULL; | |
1986 | } | |
1987 | if (file) | |
1988 | qemu_opt_set(opts, "file", file); | |
1989 | return opts; | |
b01b1111 AL |
1990 | } |
1991 | ||
751c6a17 | 1992 | DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit) |
e4bcb14c | 1993 | { |
751c6a17 | 1994 | DriveInfo *dinfo; |
e4bcb14c TS |
1995 | |
1996 | /* seek interface, bus and unit */ | |
1997 | ||
72cf2d4f | 1998 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1999 | if (dinfo->type == type && |
2000 | dinfo->bus == bus && | |
2001 | dinfo->unit == unit) | |
2002 | return dinfo; | |
2003 | } | |
e4bcb14c | 2004 | |
751c6a17 | 2005 | return NULL; |
e4bcb14c TS |
2006 | } |
2007 | ||
2e810b36 | 2008 | DriveInfo *drive_get_by_id(const char *id) |
1dae12e6 GH |
2009 | { |
2010 | DriveInfo *dinfo; | |
2011 | ||
72cf2d4f | 2012 | QTAILQ_FOREACH(dinfo, &drives, next) { |
1dae12e6 GH |
2013 | if (strcmp(id, dinfo->id)) |
2014 | continue; | |
2015 | return dinfo; | |
2016 | } | |
2017 | return NULL; | |
2018 | } | |
2019 | ||
f60d39bc | 2020 | int drive_get_max_bus(BlockInterfaceType type) |
e4bcb14c TS |
2021 | { |
2022 | int max_bus; | |
751c6a17 | 2023 | DriveInfo *dinfo; |
e4bcb14c TS |
2024 | |
2025 | max_bus = -1; | |
72cf2d4f | 2026 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
2027 | if(dinfo->type == type && |
2028 | dinfo->bus > max_bus) | |
2029 | max_bus = dinfo->bus; | |
e4bcb14c TS |
2030 | } |
2031 | return max_bus; | |
2032 | } | |
2033 | ||
fa879c64 AL |
2034 | const char *drive_get_serial(BlockDriverState *bdrv) |
2035 | { | |
751c6a17 | 2036 | DriveInfo *dinfo; |
fa879c64 | 2037 | |
72cf2d4f | 2038 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
2039 | if (dinfo->bdrv == bdrv) |
2040 | return dinfo->serial; | |
2041 | } | |
fa879c64 AL |
2042 | |
2043 | return "\0"; | |
2044 | } | |
2045 | ||
f7850099 KW |
2046 | BlockInterfaceErrorAction drive_get_on_error( |
2047 | BlockDriverState *bdrv, int is_read) | |
428c5705 | 2048 | { |
751c6a17 | 2049 | DriveInfo *dinfo; |
428c5705 | 2050 | |
72cf2d4f | 2051 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 | 2052 | if (dinfo->bdrv == bdrv) |
e9b2e818 | 2053 | return is_read ? dinfo->on_read_error : dinfo->on_write_error; |
751c6a17 | 2054 | } |
428c5705 | 2055 | |
e9b2e818 | 2056 | return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC; |
428c5705 AL |
2057 | } |
2058 | ||
a1620fac AJ |
2059 | static void bdrv_format_print(void *opaque, const char *name) |
2060 | { | |
2061 | fprintf(stderr, " %s", name); | |
2062 | } | |
2063 | ||
56a14938 | 2064 | void drive_uninit(DriveInfo *dinfo) |
b01b1111 | 2065 | { |
56a14938 GH |
2066 | qemu_opts_del(dinfo->opts); |
2067 | bdrv_delete(dinfo->bdrv); | |
2068 | QTAILQ_REMOVE(&drives, dinfo, next); | |
2069 | qemu_free(dinfo); | |
b01b1111 AL |
2070 | } |
2071 | ||
e9b2e818 KW |
2072 | static int parse_block_error_action(const char *buf, int is_read) |
2073 | { | |
2074 | if (!strcmp(buf, "ignore")) { | |
2075 | return BLOCK_ERR_IGNORE; | |
2076 | } else if (!is_read && !strcmp(buf, "enospc")) { | |
2077 | return BLOCK_ERR_STOP_ENOSPC; | |
2078 | } else if (!strcmp(buf, "stop")) { | |
2079 | return BLOCK_ERR_STOP_ANY; | |
2080 | } else if (!strcmp(buf, "report")) { | |
2081 | return BLOCK_ERR_REPORT; | |
2082 | } else { | |
2083 | fprintf(stderr, "qemu: '%s' invalid %s error action\n", | |
2084 | buf, is_read ? "read" : "write"); | |
2085 | return -1; | |
2086 | } | |
2087 | } | |
2088 | ||
9dfd7c7a | 2089 | DriveInfo *drive_init(QemuOpts *opts, void *opaque, |
751c6a17 | 2090 | int *fatal_error) |
e4bcb14c | 2091 | { |
9dfd7c7a GH |
2092 | const char *buf; |
2093 | const char *file = NULL; | |
c8522bdf | 2094 | char devname[128]; |
9dfd7c7a | 2095 | const char *serial; |
c8522bdf | 2096 | const char *mediastr = ""; |
f60d39bc | 2097 | BlockInterfaceType type; |
e4bcb14c TS |
2098 | enum { MEDIA_DISK, MEDIA_CDROM } media; |
2099 | int bus_id, unit_id; | |
2100 | int cyls, heads, secs, translation; | |
1e72d3b7 | 2101 | BlockDriver *drv = NULL; |
4d73cd3b | 2102 | QEMUMachine *machine = opaque; |
e4bcb14c TS |
2103 | int max_devs; |
2104 | int index; | |
33f00271 | 2105 | int cache; |
5c6c3a6c | 2106 | int aio = 0; |
59f2689d | 2107 | int ro = 0; |
e9b2e818 KW |
2108 | int bdrv_flags; |
2109 | int on_read_error, on_write_error; | |
c2cc47a4 | 2110 | const char *devaddr; |
751c6a17 | 2111 | DriveInfo *dinfo; |
9dfd7c7a | 2112 | int snapshot = 0; |
e4bcb14c | 2113 | |
9dfd7c7a | 2114 | *fatal_error = 1; |
e4bcb14c | 2115 | |
e4bcb14c | 2116 | translation = BIOS_ATA_TRANSLATION_AUTO; |
0aa217e4 | 2117 | cache = 1; |
e4bcb14c | 2118 | |
4d007814 | 2119 | if (machine && machine->use_scsi) { |
f60d39bc | 2120 | type = IF_SCSI; |
e4bcb14c | 2121 | max_devs = MAX_SCSI_DEVS; |
363a37d5 | 2122 | pstrcpy(devname, sizeof(devname), "scsi"); |
e4bcb14c | 2123 | } else { |
f60d39bc | 2124 | type = IF_IDE; |
e4bcb14c | 2125 | max_devs = MAX_IDE_DEVS; |
363a37d5 | 2126 | pstrcpy(devname, sizeof(devname), "ide"); |
e4bcb14c TS |
2127 | } |
2128 | media = MEDIA_DISK; | |
2129 | ||
2130 | /* extract parameters */ | |
9dfd7c7a GH |
2131 | bus_id = qemu_opt_get_number(opts, "bus", 0); |
2132 | unit_id = qemu_opt_get_number(opts, "unit", -1); | |
2133 | index = qemu_opt_get_number(opts, "index", -1); | |
e4bcb14c | 2134 | |
9dfd7c7a GH |
2135 | cyls = qemu_opt_get_number(opts, "cyls", 0); |
2136 | heads = qemu_opt_get_number(opts, "heads", 0); | |
2137 | secs = qemu_opt_get_number(opts, "secs", 0); | |
e4bcb14c | 2138 | |
9dfd7c7a | 2139 | snapshot = qemu_opt_get_bool(opts, "snapshot", 0); |
59f2689d | 2140 | ro = qemu_opt_get_bool(opts, "readonly", 0); |
e4bcb14c | 2141 | |
9dfd7c7a GH |
2142 | file = qemu_opt_get(opts, "file"); |
2143 | serial = qemu_opt_get(opts, "serial"); | |
2144 | ||
2145 | if ((buf = qemu_opt_get(opts, "if")) != NULL) { | |
ae45d369 | 2146 | pstrcpy(devname, sizeof(devname), buf); |
e4bcb14c | 2147 | if (!strcmp(buf, "ide")) { |
f60d39bc | 2148 | type = IF_IDE; |
e4bcb14c TS |
2149 | max_devs = MAX_IDE_DEVS; |
2150 | } else if (!strcmp(buf, "scsi")) { | |
f60d39bc | 2151 | type = IF_SCSI; |
e4bcb14c TS |
2152 | max_devs = MAX_SCSI_DEVS; |
2153 | } else if (!strcmp(buf, "floppy")) { | |
f60d39bc | 2154 | type = IF_FLOPPY; |
e4bcb14c TS |
2155 | max_devs = 0; |
2156 | } else if (!strcmp(buf, "pflash")) { | |
f60d39bc | 2157 | type = IF_PFLASH; |
e4bcb14c TS |
2158 | max_devs = 0; |
2159 | } else if (!strcmp(buf, "mtd")) { | |
f60d39bc | 2160 | type = IF_MTD; |
e4bcb14c TS |
2161 | max_devs = 0; |
2162 | } else if (!strcmp(buf, "sd")) { | |
f60d39bc | 2163 | type = IF_SD; |
e4bcb14c | 2164 | max_devs = 0; |
6e02c38d AL |
2165 | } else if (!strcmp(buf, "virtio")) { |
2166 | type = IF_VIRTIO; | |
2167 | max_devs = 0; | |
62d23efa AL |
2168 | } else if (!strcmp(buf, "xen")) { |
2169 | type = IF_XEN; | |
2170 | max_devs = 0; | |
a8659e90 GH |
2171 | } else if (!strcmp(buf, "none")) { |
2172 | type = IF_NONE; | |
2173 | max_devs = 0; | |
62d23efa | 2174 | } else { |
9dfd7c7a | 2175 | fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf); |
751c6a17 | 2176 | return NULL; |
e4bcb14c TS |
2177 | } |
2178 | } | |
2179 | ||
e4bcb14c | 2180 | if (cyls || heads || secs) { |
5afe3f04 | 2181 | if (cyls < 1 || (type == IF_IDE && cyls > 16383)) { |
9dfd7c7a | 2182 | fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf); |
751c6a17 | 2183 | return NULL; |
e4bcb14c | 2184 | } |
5afe3f04 | 2185 | if (heads < 1 || (type == IF_IDE && heads > 16)) { |
9dfd7c7a | 2186 | fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf); |
751c6a17 | 2187 | return NULL; |
e4bcb14c | 2188 | } |
5afe3f04 | 2189 | if (secs < 1 || (type == IF_IDE && secs > 63)) { |
9dfd7c7a | 2190 | fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf); |
751c6a17 | 2191 | return NULL; |
e4bcb14c TS |
2192 | } |
2193 | } | |
2194 | ||
9dfd7c7a | 2195 | if ((buf = qemu_opt_get(opts, "trans")) != NULL) { |
e4bcb14c TS |
2196 | if (!cyls) { |
2197 | fprintf(stderr, | |
2198 | "qemu: '%s' trans must be used with cyls,heads and secs\n", | |
9dfd7c7a | 2199 | buf); |
751c6a17 | 2200 | return NULL; |
e4bcb14c TS |
2201 | } |
2202 | if (!strcmp(buf, "none")) | |
2203 | translation = BIOS_ATA_TRANSLATION_NONE; | |
2204 | else if (!strcmp(buf, "lba")) | |
2205 | translation = BIOS_ATA_TRANSLATION_LBA; | |
2206 | else if (!strcmp(buf, "auto")) | |
2207 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
2208 | else { | |
9dfd7c7a | 2209 | fprintf(stderr, "qemu: '%s' invalid translation type\n", buf); |
751c6a17 | 2210 | return NULL; |
e4bcb14c TS |
2211 | } |
2212 | } | |
2213 | ||
9dfd7c7a | 2214 | if ((buf = qemu_opt_get(opts, "media")) != NULL) { |
e4bcb14c TS |
2215 | if (!strcmp(buf, "disk")) { |
2216 | media = MEDIA_DISK; | |
2217 | } else if (!strcmp(buf, "cdrom")) { | |
2218 | if (cyls || secs || heads) { | |
2219 | fprintf(stderr, | |
9dfd7c7a | 2220 | "qemu: '%s' invalid physical CHS format\n", buf); |
751c6a17 | 2221 | return NULL; |
e4bcb14c TS |
2222 | } |
2223 | media = MEDIA_CDROM; | |
2224 | } else { | |
9dfd7c7a | 2225 | fprintf(stderr, "qemu: '%s' invalid media\n", buf); |
751c6a17 | 2226 | return NULL; |
e4bcb14c TS |
2227 | } |
2228 | } | |
2229 | ||
9dfd7c7a | 2230 | if ((buf = qemu_opt_get(opts, "cache")) != NULL) { |
9f7965c7 | 2231 | if (!strcmp(buf, "off") || !strcmp(buf, "none")) |
33f00271 | 2232 | cache = 0; |
9f7965c7 | 2233 | else if (!strcmp(buf, "writethrough")) |
33f00271 | 2234 | cache = 1; |
9f7965c7 AL |
2235 | else if (!strcmp(buf, "writeback")) |
2236 | cache = 2; | |
33f00271 AZ |
2237 | else { |
2238 | fprintf(stderr, "qemu: invalid cache option\n"); | |
751c6a17 | 2239 | return NULL; |
33f00271 AZ |
2240 | } |
2241 | } | |
2242 | ||
5c6c3a6c CH |
2243 | #ifdef CONFIG_LINUX_AIO |
2244 | if ((buf = qemu_opt_get(opts, "aio")) != NULL) { | |
2245 | if (!strcmp(buf, "threads")) | |
2246 | aio = 0; | |
2247 | else if (!strcmp(buf, "native")) | |
2248 | aio = 1; | |
2249 | else { | |
2250 | fprintf(stderr, "qemu: invalid aio option\n"); | |
2251 | return NULL; | |
2252 | } | |
2253 | } | |
2254 | #endif | |
2255 | ||
9dfd7c7a | 2256 | if ((buf = qemu_opt_get(opts, "format")) != NULL) { |
a1620fac AJ |
2257 | if (strcmp(buf, "?") == 0) { |
2258 | fprintf(stderr, "qemu: Supported formats:"); | |
2259 | bdrv_iterate_format(bdrv_format_print, NULL); | |
2260 | fprintf(stderr, "\n"); | |
751c6a17 | 2261 | return NULL; |
a1620fac | 2262 | } |
eb852011 | 2263 | drv = bdrv_find_whitelisted_format(buf); |
1e72d3b7 AJ |
2264 | if (!drv) { |
2265 | fprintf(stderr, "qemu: '%s' invalid format\n", buf); | |
751c6a17 | 2266 | return NULL; |
1e72d3b7 AJ |
2267 | } |
2268 | } | |
2269 | ||
e9b2e818 | 2270 | on_write_error = BLOCK_ERR_STOP_ENOSPC; |
9dfd7c7a | 2271 | if ((buf = qemu_opt_get(opts, "werror")) != NULL) { |
869a5c6d | 2272 | if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) { |
ea8a5d7f | 2273 | fprintf(stderr, "werror is no supported by this format\n"); |
751c6a17 | 2274 | return NULL; |
428c5705 | 2275 | } |
e9b2e818 KW |
2276 | |
2277 | on_write_error = parse_block_error_action(buf, 0); | |
2278 | if (on_write_error < 0) { | |
2279 | return NULL; | |
2280 | } | |
2281 | } | |
2282 | ||
2283 | on_read_error = BLOCK_ERR_REPORT; | |
2284 | if ((buf = qemu_opt_get(opts, "rerror")) != NULL) { | |
f35d68f0 | 2285 | if (type != IF_IDE && type != IF_VIRTIO) { |
e9b2e818 KW |
2286 | fprintf(stderr, "rerror is no supported by this format\n"); |
2287 | return NULL; | |
2288 | } | |
2289 | ||
2290 | on_read_error = parse_block_error_action(buf, 1); | |
2291 | if (on_read_error < 0) { | |
751c6a17 | 2292 | return NULL; |
428c5705 AL |
2293 | } |
2294 | } | |
2295 | ||
9dfd7c7a | 2296 | if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) { |
c2cc47a4 | 2297 | if (type != IF_VIRTIO) { |
9dfd7c7a | 2298 | fprintf(stderr, "addr is not supported\n"); |
751c6a17 | 2299 | return NULL; |
c2cc47a4 | 2300 | } |
c2cc47a4 MA |
2301 | } |
2302 | ||
e4bcb14c TS |
2303 | /* compute bus and unit according index */ |
2304 | ||
2305 | if (index != -1) { | |
2306 | if (bus_id != 0 || unit_id != -1) { | |
2307 | fprintf(stderr, | |
9dfd7c7a | 2308 | "qemu: index cannot be used with bus and unit\n"); |
751c6a17 | 2309 | return NULL; |
e4bcb14c TS |
2310 | } |
2311 | if (max_devs == 0) | |
2312 | { | |
2313 | unit_id = index; | |
2314 | bus_id = 0; | |
2315 | } else { | |
2316 | unit_id = index % max_devs; | |
2317 | bus_id = index / max_devs; | |
2318 | } | |
2319 | } | |
2320 | ||
2321 | /* if user doesn't specify a unit_id, | |
2322 | * try to find the first free | |
2323 | */ | |
2324 | ||
2325 | if (unit_id == -1) { | |
2326 | unit_id = 0; | |
751c6a17 | 2327 | while (drive_get(type, bus_id, unit_id) != NULL) { |
e4bcb14c TS |
2328 | unit_id++; |
2329 | if (max_devs && unit_id >= max_devs) { | |
2330 | unit_id -= max_devs; | |
2331 | bus_id++; | |
2332 | } | |
2333 | } | |
2334 | } | |
2335 | ||
2336 | /* check unit id */ | |
2337 | ||
2338 | if (max_devs && unit_id >= max_devs) { | |
9dfd7c7a GH |
2339 | fprintf(stderr, "qemu: unit %d too big (max is %d)\n", |
2340 | unit_id, max_devs - 1); | |
751c6a17 | 2341 | return NULL; |
e4bcb14c TS |
2342 | } |
2343 | ||
2344 | /* | |
2345 | * ignore multiple definitions | |
2346 | */ | |
2347 | ||
751c6a17 GH |
2348 | if (drive_get(type, bus_id, unit_id) != NULL) { |
2349 | *fatal_error = 0; | |
2350 | return NULL; | |
2351 | } | |
e4bcb14c TS |
2352 | |
2353 | /* init */ | |
2354 | ||
751c6a17 | 2355 | dinfo = qemu_mallocz(sizeof(*dinfo)); |
e23d9c4d | 2356 | if ((buf = qemu_opts_id(opts)) != NULL) { |
9dfd7c7a GH |
2357 | dinfo->id = qemu_strdup(buf); |
2358 | } else { | |
1dae12e6 | 2359 | /* no id supplied -> create one */ |
9dfd7c7a | 2360 | dinfo->id = qemu_mallocz(32); |
1dae12e6 GH |
2361 | if (type == IF_IDE || type == IF_SCSI) |
2362 | mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; | |
2363 | if (max_devs) | |
9dfd7c7a | 2364 | snprintf(dinfo->id, 32, "%s%i%s%i", |
1dae12e6 GH |
2365 | devname, bus_id, mediastr, unit_id); |
2366 | else | |
9dfd7c7a | 2367 | snprintf(dinfo->id, 32, "%s%s%i", |
1dae12e6 GH |
2368 | devname, mediastr, unit_id); |
2369 | } | |
1dae12e6 | 2370 | dinfo->bdrv = bdrv_new(dinfo->id); |
751c6a17 GH |
2371 | dinfo->devaddr = devaddr; |
2372 | dinfo->type = type; | |
2373 | dinfo->bus = bus_id; | |
2374 | dinfo->unit = unit_id; | |
e9b2e818 KW |
2375 | dinfo->on_read_error = on_read_error; |
2376 | dinfo->on_write_error = on_write_error; | |
9dfd7c7a GH |
2377 | dinfo->opts = opts; |
2378 | if (serial) | |
2379 | strncpy(dinfo->serial, serial, sizeof(serial)); | |
72cf2d4f | 2380 | QTAILQ_INSERT_TAIL(&drives, dinfo, next); |
e4bcb14c | 2381 | |
f60d39bc | 2382 | switch(type) { |
e4bcb14c TS |
2383 | case IF_IDE: |
2384 | case IF_SCSI: | |
62d23efa | 2385 | case IF_XEN: |
c219331e | 2386 | case IF_NONE: |
e4bcb14c TS |
2387 | switch(media) { |
2388 | case MEDIA_DISK: | |
2389 | if (cyls != 0) { | |
1dae12e6 GH |
2390 | bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs); |
2391 | bdrv_set_translation_hint(dinfo->bdrv, translation); | |
e4bcb14c TS |
2392 | } |
2393 | break; | |
2394 | case MEDIA_CDROM: | |
1dae12e6 | 2395 | bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM); |
e4bcb14c TS |
2396 | break; |
2397 | } | |
2398 | break; | |
2399 | case IF_SD: | |
2400 | /* FIXME: This isn't really a floppy, but it's a reasonable | |
2401 | approximation. */ | |
2402 | case IF_FLOPPY: | |
1dae12e6 | 2403 | bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY); |
e4bcb14c TS |
2404 | break; |
2405 | case IF_PFLASH: | |
2406 | case IF_MTD: | |
2407 | break; | |
d176c495 GH |
2408 | case IF_VIRTIO: |
2409 | /* add virtio block device */ | |
2410 | opts = qemu_opts_create(&qemu_device_opts, NULL, 0); | |
2411 | qemu_opt_set(opts, "driver", "virtio-blk-pci"); | |
2412 | qemu_opt_set(opts, "drive", dinfo->id); | |
2413 | if (devaddr) | |
2414 | qemu_opt_set(opts, "addr", devaddr); | |
2415 | break; | |
aae9460e PB |
2416 | case IF_COUNT: |
2417 | abort(); | |
e4bcb14c | 2418 | } |
9dfd7c7a | 2419 | if (!file) { |
751c6a17 GH |
2420 | *fatal_error = 0; |
2421 | return NULL; | |
2422 | } | |
33f00271 | 2423 | bdrv_flags = 0; |
9f7965c7 | 2424 | if (snapshot) { |
33f00271 | 2425 | bdrv_flags |= BDRV_O_SNAPSHOT; |
9f7965c7 AL |
2426 | cache = 2; /* always use write-back with snapshot */ |
2427 | } | |
2428 | if (cache == 0) /* no caching */ | |
2429 | bdrv_flags |= BDRV_O_NOCACHE; | |
2430 | else if (cache == 2) /* write-back */ | |
2431 | bdrv_flags |= BDRV_O_CACHE_WB; | |
5c6c3a6c CH |
2432 | |
2433 | if (aio == 1) { | |
2434 | bdrv_flags |= BDRV_O_NATIVE_AIO; | |
2435 | } else { | |
2436 | bdrv_flags &= ~BDRV_O_NATIVE_AIO; | |
2437 | } | |
2438 | ||
59f2689d NS |
2439 | if (ro == 1) { |
2440 | if (type == IF_IDE) { | |
2441 | fprintf(stderr, "qemu: readonly flag not supported for drive with ide interface\n"); | |
2442 | return NULL; | |
2443 | } | |
2444 | (void)bdrv_set_read_only(dinfo->bdrv, 1); | |
2445 | } | |
2446 | ||
1dae12e6 | 2447 | if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) { |
850810d0 JF |
2448 | fprintf(stderr, "qemu: could not open disk image %s: %s\n", |
2449 | file, strerror(errno)); | |
751c6a17 | 2450 | return NULL; |
e4bcb14c | 2451 | } |
5c6c3a6c | 2452 | |
1dae12e6 | 2453 | if (bdrv_key_required(dinfo->bdrv)) |
c0f4ce77 | 2454 | autostart = 0; |
751c6a17 GH |
2455 | *fatal_error = 0; |
2456 | return dinfo; | |
e4bcb14c TS |
2457 | } |
2458 | ||
9dfd7c7a GH |
2459 | static int drive_init_func(QemuOpts *opts, void *opaque) |
2460 | { | |
2461 | QEMUMachine *machine = opaque; | |
2462 | int fatal_error = 0; | |
2463 | ||
2464 | if (drive_init(opts, machine, &fatal_error) == NULL) { | |
2465 | if (fatal_error) | |
2466 | return 1; | |
2467 | } | |
2468 | return 0; | |
2469 | } | |
2470 | ||
2471 | static int drive_enable_snapshot(QemuOpts *opts, void *opaque) | |
2472 | { | |
2473 | if (NULL == qemu_opt_get(opts, "snapshot")) { | |
2474 | qemu_opt_set(opts, "snapshot", "on"); | |
2475 | } | |
2476 | return 0; | |
2477 | } | |
2478 | ||
76e30d0f JK |
2479 | void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque) |
2480 | { | |
2481 | boot_set_handler = func; | |
2482 | boot_set_opaque = opaque; | |
2483 | } | |
2484 | ||
2485 | int qemu_boot_set(const char *boot_devices) | |
2486 | { | |
2487 | if (!boot_set_handler) { | |
2488 | return -EINVAL; | |
2489 | } | |
2490 | return boot_set_handler(boot_set_opaque, boot_devices); | |
2491 | } | |
2492 | ||
ef3adf68 JK |
2493 | static int parse_bootdevices(char *devices) |
2494 | { | |
2495 | /* We just do some generic consistency checks */ | |
2496 | const char *p; | |
2497 | int bitmap = 0; | |
2498 | ||
2499 | for (p = devices; *p != '\0'; p++) { | |
2500 | /* Allowed boot devices are: | |
2501 | * a-b: floppy disk drives | |
2502 | * c-f: IDE disk drives | |
2503 | * g-m: machine implementation dependant drives | |
2504 | * n-p: network devices | |
2505 | * It's up to each machine implementation to check if the given boot | |
2506 | * devices match the actual hardware implementation and firmware | |
2507 | * features. | |
2508 | */ | |
2509 | if (*p < 'a' || *p > 'p') { | |
2510 | fprintf(stderr, "Invalid boot device '%c'\n", *p); | |
2511 | exit(1); | |
2512 | } | |
2513 | if (bitmap & (1 << (*p - 'a'))) { | |
2514 | fprintf(stderr, "Boot device '%c' was given twice\n", *p); | |
2515 | exit(1); | |
2516 | } | |
2517 | bitmap |= 1 << (*p - 'a'); | |
2518 | } | |
2519 | return bitmap; | |
2520 | } | |
2521 | ||
e0f084bf JK |
2522 | static void restore_boot_devices(void *opaque) |
2523 | { | |
2524 | char *standard_boot_devices = opaque; | |
2525 | ||
2526 | qemu_boot_set(standard_boot_devices); | |
2527 | ||
2528 | qemu_unregister_reset(restore_boot_devices, standard_boot_devices); | |
2529 | qemu_free(standard_boot_devices); | |
2530 | } | |
2531 | ||
268a362c AL |
2532 | static void numa_add(const char *optarg) |
2533 | { | |
2534 | char option[128]; | |
2535 | char *endptr; | |
2536 | unsigned long long value, endvalue; | |
2537 | int nodenr; | |
2538 | ||
2539 | optarg = get_opt_name(option, 128, optarg, ',') + 1; | |
2540 | if (!strcmp(option, "node")) { | |
2541 | if (get_param_value(option, 128, "nodeid", optarg) == 0) { | |
2542 | nodenr = nb_numa_nodes; | |
2543 | } else { | |
2544 | nodenr = strtoull(option, NULL, 10); | |
2545 | } | |
2546 | ||
2547 | if (get_param_value(option, 128, "mem", optarg) == 0) { | |
2548 | node_mem[nodenr] = 0; | |
2549 | } else { | |
2550 | value = strtoull(option, &endptr, 0); | |
2551 | switch (*endptr) { | |
2552 | case 0: case 'M': case 'm': | |
2553 | value <<= 20; | |
2554 | break; | |
2555 | case 'G': case 'g': | |
2556 | value <<= 30; | |
2557 | break; | |
2558 | } | |
2559 | node_mem[nodenr] = value; | |
2560 | } | |
2561 | if (get_param_value(option, 128, "cpus", optarg) == 0) { | |
2562 | node_cpumask[nodenr] = 0; | |
2563 | } else { | |
2564 | value = strtoull(option, &endptr, 10); | |
2565 | if (value >= 64) { | |
2566 | value = 63; | |
2567 | fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n"); | |
2568 | } else { | |
2569 | if (*endptr == '-') { | |
2570 | endvalue = strtoull(endptr+1, &endptr, 10); | |
2571 | if (endvalue >= 63) { | |
2572 | endvalue = 62; | |
2573 | fprintf(stderr, | |
2574 | "only 63 CPUs in NUMA mode supported.\n"); | |
2575 | } | |
2576 | value = (1 << (endvalue + 1)) - (1 << value); | |
2577 | } else { | |
2578 | value = 1 << value; | |
2579 | } | |
2580 | } | |
2581 | node_cpumask[nodenr] = value; | |
2582 | } | |
2583 | nb_numa_nodes++; | |
2584 | } | |
2585 | return; | |
2586 | } | |
2587 | ||
dc6b1c09 AP |
2588 | static void smp_parse(const char *optarg) |
2589 | { | |
2590 | int smp, sockets = 0, threads = 0, cores = 0; | |
2591 | char *endptr; | |
2592 | char option[128]; | |
2593 | ||
2594 | smp = strtoul(optarg, &endptr, 10); | |
2595 | if (endptr != optarg) { | |
2596 | if (*endptr == ',') { | |
2597 | endptr++; | |
2598 | } | |
2599 | } | |
2600 | if (get_param_value(option, 128, "sockets", endptr) != 0) | |
2601 | sockets = strtoull(option, NULL, 10); | |
2602 | if (get_param_value(option, 128, "cores", endptr) != 0) | |
2603 | cores = strtoull(option, NULL, 10); | |
2604 | if (get_param_value(option, 128, "threads", endptr) != 0) | |
2605 | threads = strtoull(option, NULL, 10); | |
2606 | if (get_param_value(option, 128, "maxcpus", endptr) != 0) | |
2607 | max_cpus = strtoull(option, NULL, 10); | |
2608 | ||
2609 | /* compute missing values, prefer sockets over cores over threads */ | |
2610 | if (smp == 0 || sockets == 0) { | |
2611 | sockets = sockets > 0 ? sockets : 1; | |
2612 | cores = cores > 0 ? cores : 1; | |
2613 | threads = threads > 0 ? threads : 1; | |
2614 | if (smp == 0) { | |
2615 | smp = cores * threads * sockets; | |
2616 | } else { | |
2617 | sockets = smp / (cores * threads); | |
2618 | } | |
2619 | } else { | |
2620 | if (cores == 0) { | |
2621 | threads = threads > 0 ? threads : 1; | |
2622 | cores = smp / (sockets * threads); | |
2623 | } else { | |
2624 | if (sockets == 0) { | |
2625 | sockets = smp / (cores * threads); | |
2626 | } else { | |
2627 | threads = smp / (cores * sockets); | |
2628 | } | |
2629 | } | |
2630 | } | |
2631 | smp_cpus = smp; | |
2632 | smp_cores = cores > 0 ? cores : 1; | |
2633 | smp_threads = threads > 0 ? threads : 1; | |
2634 | if (max_cpus == 0) | |
2635 | max_cpus = smp_cpus; | |
2636 | } | |
2637 | ||
a594cfbf FB |
2638 | /***********************************************************/ |
2639 | /* USB devices */ | |
2640 | ||
c0f4ce77 | 2641 | static int usb_device_add(const char *devname, int is_hotplug) |
a594cfbf FB |
2642 | { |
2643 | const char *p; | |
a5d2f727 | 2644 | USBDevice *dev = NULL; |
a594cfbf | 2645 | |
a5d2f727 | 2646 | if (!usb_enabled) |
a594cfbf FB |
2647 | return -1; |
2648 | ||
0958b4cc GH |
2649 | /* drivers with .usbdevice_name entry in USBDeviceInfo */ |
2650 | dev = usbdevice_create(devname); | |
2651 | if (dev) | |
2652 | goto done; | |
2653 | ||
a5d2f727 | 2654 | /* the other ones */ |
a594cfbf FB |
2655 | if (strstart(devname, "host:", &p)) { |
2656 | dev = usb_host_device_open(p); | |
6c9f886c | 2657 | } else if (strstart(devname, "net:", &p)) { |
13cf8f21 MM |
2658 | QemuOpts *opts; |
2659 | int idx; | |
6c9f886c | 2660 | |
13cf8f21 MM |
2661 | opts = qemu_opts_parse(&qemu_net_opts, p, NULL); |
2662 | if (!opts) { | |
6c9f886c | 2663 | return -1; |
13cf8f21 MM |
2664 | } |
2665 | ||
2666 | qemu_opt_set(opts, "type", "nic"); | |
2667 | qemu_opt_set(opts, "model", "usb"); | |
2668 | ||
f6b134ac | 2669 | idx = net_client_init(NULL, opts, 0); |
13cf8f21 MM |
2670 | if (idx == -1) { |
2671 | return -1; | |
2672 | } | |
2673 | ||
2674 | dev = usb_net_init(&nd_table[idx]); | |
dc72ac14 AZ |
2675 | } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { |
2676 | dev = usb_bt_init(devname[2] ? hci_init(p) : | |
2677 | bt_new_hci(qemu_find_bt_vlan(0))); | |
a594cfbf FB |
2678 | } else { |
2679 | return -1; | |
2680 | } | |
0d92ed30 PB |
2681 | if (!dev) |
2682 | return -1; | |
2683 | ||
a5d2f727 | 2684 | done: |
a594cfbf FB |
2685 | return 0; |
2686 | } | |
2687 | ||
1f3870ab AL |
2688 | static int usb_device_del(const char *devname) |
2689 | { | |
2690 | int bus_num, addr; | |
2691 | const char *p; | |
2692 | ||
5d0c5750 AL |
2693 | if (strstart(devname, "host:", &p)) |
2694 | return usb_host_device_close(p); | |
2695 | ||
a5d2f727 | 2696 | if (!usb_enabled) |
1f3870ab AL |
2697 | return -1; |
2698 | ||
2699 | p = strchr(devname, '.'); | |
2700 | if (!p) | |
2701 | return -1; | |
2702 | bus_num = strtoul(devname, NULL, 0); | |
2703 | addr = strtoul(p + 1, NULL, 0); | |
2704 | ||
a5d2f727 | 2705 | return usb_device_delete_addr(bus_num, addr); |
1f3870ab AL |
2706 | } |
2707 | ||
bd3c948d GH |
2708 | static int usb_parse(const char *cmdline) |
2709 | { | |
2710 | return usb_device_add(cmdline, 0); | |
2711 | } | |
2712 | ||
d54908a5 | 2713 | void do_usb_add(Monitor *mon, const QDict *qdict) |
a594cfbf | 2714 | { |
d54908a5 | 2715 | usb_device_add(qdict_get_str(qdict, "devname"), 1); |
a594cfbf FB |
2716 | } |
2717 | ||
d54908a5 | 2718 | void do_usb_del(Monitor *mon, const QDict *qdict) |
a594cfbf | 2719 | { |
d54908a5 | 2720 | usb_device_del(qdict_get_str(qdict, "devname")); |
a594cfbf FB |
2721 | } |
2722 | ||
201a51fc AZ |
2723 | /***********************************************************/ |
2724 | /* PCMCIA/Cardbus */ | |
2725 | ||
2726 | static struct pcmcia_socket_entry_s { | |
bc24a225 | 2727 | PCMCIASocket *socket; |
201a51fc AZ |
2728 | struct pcmcia_socket_entry_s *next; |
2729 | } *pcmcia_sockets = 0; | |
2730 | ||
bc24a225 | 2731 | void pcmcia_socket_register(PCMCIASocket *socket) |
201a51fc AZ |
2732 | { |
2733 | struct pcmcia_socket_entry_s *entry; | |
2734 | ||
2735 | entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); | |
2736 | entry->socket = socket; | |
2737 | entry->next = pcmcia_sockets; | |
2738 | pcmcia_sockets = entry; | |
2739 | } | |
2740 | ||
bc24a225 | 2741 | void pcmcia_socket_unregister(PCMCIASocket *socket) |
201a51fc AZ |
2742 | { |
2743 | struct pcmcia_socket_entry_s *entry, **ptr; | |
2744 | ||
2745 | ptr = &pcmcia_sockets; | |
2746 | for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) | |
2747 | if (entry->socket == socket) { | |
2748 | *ptr = entry->next; | |
2749 | qemu_free(entry); | |
2750 | } | |
2751 | } | |
2752 | ||
376253ec | 2753 | void pcmcia_info(Monitor *mon) |
201a51fc AZ |
2754 | { |
2755 | struct pcmcia_socket_entry_s *iter; | |
376253ec | 2756 | |
201a51fc | 2757 | if (!pcmcia_sockets) |
376253ec | 2758 | monitor_printf(mon, "No PCMCIA sockets\n"); |
201a51fc AZ |
2759 | |
2760 | for (iter = pcmcia_sockets; iter; iter = iter->next) | |
376253ec AL |
2761 | monitor_printf(mon, "%s: %s\n", iter->socket->slot_string, |
2762 | iter->socket->attached ? iter->socket->card_string : | |
2763 | "Empty"); | |
201a51fc AZ |
2764 | } |
2765 | ||
2ff89790 | 2766 | /***********************************************************/ |
3023f332 AL |
2767 | /* register display */ |
2768 | ||
7b5d76da AL |
2769 | struct DisplayAllocator default_allocator = { |
2770 | defaultallocator_create_displaysurface, | |
2771 | defaultallocator_resize_displaysurface, | |
2772 | defaultallocator_free_displaysurface | |
2773 | }; | |
2774 | ||
3023f332 AL |
2775 | void register_displaystate(DisplayState *ds) |
2776 | { | |
2777 | DisplayState **s; | |
2778 | s = &display_state; | |
2779 | while (*s != NULL) | |
2780 | s = &(*s)->next; | |
2781 | ds->next = NULL; | |
2782 | *s = ds; | |
2783 | } | |
2784 | ||
2785 | DisplayState *get_displaystate(void) | |
2786 | { | |
2787 | return display_state; | |
2788 | } | |
2789 | ||
7b5d76da AL |
2790 | DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da) |
2791 | { | |
2792 | if(ds->allocator == &default_allocator) ds->allocator = da; | |
2793 | return ds->allocator; | |
2794 | } | |
2795 | ||
2ff89790 TS |
2796 | /* dumb display */ |
2797 | ||
8f391ab4 | 2798 | static void dumb_display_init(void) |
2ff89790 | 2799 | { |
8f391ab4 | 2800 | DisplayState *ds = qemu_mallocz(sizeof(DisplayState)); |
7b5d76da AL |
2801 | ds->allocator = &default_allocator; |
2802 | ds->surface = qemu_create_displaysurface(ds, 640, 480); | |
8f391ab4 | 2803 | register_displaystate(ds); |
2ff89790 TS |
2804 | } |
2805 | ||
8a7ddc38 FB |
2806 | /***********************************************************/ |
2807 | /* I/O handling */ | |
0824d6fc | 2808 | |
c4b1fcc0 FB |
2809 | typedef struct IOHandlerRecord { |
2810 | int fd; | |
7c9d8e07 FB |
2811 | IOCanRWHandler *fd_read_poll; |
2812 | IOHandler *fd_read; | |
2813 | IOHandler *fd_write; | |
cafffd40 | 2814 | int deleted; |
c4b1fcc0 FB |
2815 | void *opaque; |
2816 | /* temporary data */ | |
2817 | struct pollfd *ufd; | |
8a7ddc38 | 2818 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
2819 | } IOHandlerRecord; |
2820 | ||
8a7ddc38 | 2821 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 2822 | |
7c9d8e07 FB |
2823 | /* XXX: fd_read_poll should be suppressed, but an API change is |
2824 | necessary in the character devices to suppress fd_can_read(). */ | |
5fafdf24 TS |
2825 | int qemu_set_fd_handler2(int fd, |
2826 | IOCanRWHandler *fd_read_poll, | |
2827 | IOHandler *fd_read, | |
2828 | IOHandler *fd_write, | |
7c9d8e07 | 2829 | void *opaque) |
c4b1fcc0 | 2830 | { |
7c9d8e07 | 2831 | IOHandlerRecord **pioh, *ioh; |
c4b1fcc0 | 2832 | |
7c9d8e07 FB |
2833 | if (!fd_read && !fd_write) { |
2834 | pioh = &first_io_handler; | |
2835 | for(;;) { | |
2836 | ioh = *pioh; | |
2837 | if (ioh == NULL) | |
2838 | break; | |
2839 | if (ioh->fd == fd) { | |
cafffd40 | 2840 | ioh->deleted = 1; |
7c9d8e07 FB |
2841 | break; |
2842 | } | |
2843 | pioh = &ioh->next; | |
2844 | } | |
2845 | } else { | |
2846 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
2847 | if (ioh->fd == fd) | |
2848 | goto found; | |
2849 | } | |
2850 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
7c9d8e07 FB |
2851 | ioh->next = first_io_handler; |
2852 | first_io_handler = ioh; | |
2853 | found: | |
2854 | ioh->fd = fd; | |
2855 | ioh->fd_read_poll = fd_read_poll; | |
2856 | ioh->fd_read = fd_read; | |
2857 | ioh->fd_write = fd_write; | |
2858 | ioh->opaque = opaque; | |
cafffd40 | 2859 | ioh->deleted = 0; |
7c9d8e07 | 2860 | } |
c4b1fcc0 FB |
2861 | return 0; |
2862 | } | |
2863 | ||
5fafdf24 TS |
2864 | int qemu_set_fd_handler(int fd, |
2865 | IOHandler *fd_read, | |
2866 | IOHandler *fd_write, | |
7c9d8e07 | 2867 | void *opaque) |
8a7ddc38 | 2868 | { |
7c9d8e07 | 2869 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
8a7ddc38 FB |
2870 | } |
2871 | ||
56f3a5d0 | 2872 | #ifdef _WIN32 |
f331110f FB |
2873 | /***********************************************************/ |
2874 | /* Polling handling */ | |
2875 | ||
2876 | typedef struct PollingEntry { | |
2877 | PollingFunc *func; | |
2878 | void *opaque; | |
2879 | struct PollingEntry *next; | |
2880 | } PollingEntry; | |
2881 | ||
2882 | static PollingEntry *first_polling_entry; | |
2883 | ||
2884 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) | |
2885 | { | |
2886 | PollingEntry **ppe, *pe; | |
2887 | pe = qemu_mallocz(sizeof(PollingEntry)); | |
f331110f FB |
2888 | pe->func = func; |
2889 | pe->opaque = opaque; | |
2890 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); | |
2891 | *ppe = pe; | |
2892 | return 0; | |
2893 | } | |
2894 | ||
2895 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) | |
2896 | { | |
2897 | PollingEntry **ppe, *pe; | |
2898 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { | |
2899 | pe = *ppe; | |
2900 | if (pe->func == func && pe->opaque == opaque) { | |
2901 | *ppe = pe->next; | |
2902 | qemu_free(pe); | |
2903 | break; | |
2904 | } | |
2905 | } | |
2906 | } | |
2907 | ||
a18e524a FB |
2908 | /***********************************************************/ |
2909 | /* Wait objects support */ | |
2910 | typedef struct WaitObjects { | |
2911 | int num; | |
2912 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; | |
2913 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; | |
2914 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; | |
2915 | } WaitObjects; | |
2916 | ||
2917 | static WaitObjects wait_objects = {0}; | |
3b46e624 | 2918 | |
a18e524a FB |
2919 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
2920 | { | |
2921 | WaitObjects *w = &wait_objects; | |
2922 | ||
2923 | if (w->num >= MAXIMUM_WAIT_OBJECTS) | |
2924 | return -1; | |
2925 | w->events[w->num] = handle; | |
2926 | w->func[w->num] = func; | |
2927 | w->opaque[w->num] = opaque; | |
2928 | w->num++; | |
2929 | return 0; | |
2930 | } | |
2931 | ||
2932 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
2933 | { | |
2934 | int i, found; | |
2935 | WaitObjects *w = &wait_objects; | |
2936 | ||
2937 | found = 0; | |
2938 | for (i = 0; i < w->num; i++) { | |
2939 | if (w->events[i] == handle) | |
2940 | found = 1; | |
2941 | if (found) { | |
2942 | w->events[i] = w->events[i + 1]; | |
2943 | w->func[i] = w->func[i + 1]; | |
2944 | w->opaque[i] = w->opaque[i + 1]; | |
3b46e624 | 2945 | } |
a18e524a FB |
2946 | } |
2947 | if (found) | |
2948 | w->num--; | |
2949 | } | |
2950 | #endif | |
2951 | ||
8a7ddc38 FB |
2952 | /***********************************************************/ |
2953 | /* ram save/restore */ | |
2954 | ||
94fb0909 | 2955 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
475e4277 AL |
2956 | #define RAM_SAVE_FLAG_COMPRESS 0x02 |
2957 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
2958 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
2959 | #define RAM_SAVE_FLAG_EOS 0x10 | |
2960 | ||
2961 | static int is_dup_page(uint8_t *page, uint8_t ch) | |
8a7ddc38 | 2962 | { |
475e4277 AL |
2963 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
2964 | uint32_t *array = (uint32_t *)page; | |
2965 | int i; | |
3b46e624 | 2966 | |
475e4277 AL |
2967 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
2968 | if (array[i] != val) | |
2969 | return 0; | |
2970 | } | |
2971 | ||
2972 | return 1; | |
2973 | } | |
2974 | ||
2975 | static int ram_save_block(QEMUFile *f) | |
2976 | { | |
c227f099 AL |
2977 | static ram_addr_t current_addr = 0; |
2978 | ram_addr_t saved_addr = current_addr; | |
2979 | ram_addr_t addr = 0; | |
475e4277 AL |
2980 | int found = 0; |
2981 | ||
94a6b54f | 2982 | while (addr < last_ram_offset) { |
475e4277 | 2983 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { |
5579c7f3 | 2984 | uint8_t *p; |
475e4277 AL |
2985 | |
2986 | cpu_physical_memory_reset_dirty(current_addr, | |
2987 | current_addr + TARGET_PAGE_SIZE, | |
2988 | MIGRATION_DIRTY_FLAG); | |
2989 | ||
5579c7f3 | 2990 | p = qemu_get_ram_ptr(current_addr); |
475e4277 | 2991 | |
5579c7f3 | 2992 | if (is_dup_page(p, *p)) { |
475e4277 | 2993 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
5579c7f3 | 2994 | qemu_put_byte(f, *p); |
475e4277 AL |
2995 | } else { |
2996 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); | |
5579c7f3 | 2997 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
c88676f8 | 2998 | } |
475e4277 AL |
2999 | |
3000 | found = 1; | |
3001 | break; | |
c88676f8 | 3002 | } |
475e4277 | 3003 | addr += TARGET_PAGE_SIZE; |
94a6b54f | 3004 | current_addr = (saved_addr + addr) % last_ram_offset; |
8a7ddc38 | 3005 | } |
475e4277 AL |
3006 | |
3007 | return found; | |
8a7ddc38 FB |
3008 | } |
3009 | ||
84307938 | 3010 | static uint64_t bytes_transferred; |
475e4277 | 3011 | |
c227f099 | 3012 | static ram_addr_t ram_save_remaining(void) |
475e4277 | 3013 | { |
c227f099 AL |
3014 | ram_addr_t addr; |
3015 | ram_addr_t count = 0; | |
475e4277 | 3016 | |
94a6b54f | 3017 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
475e4277 AL |
3018 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
3019 | count++; | |
3020 | } | |
3021 | ||
3022 | return count; | |
3023 | } | |
3024 | ||
9f9e28cd GC |
3025 | uint64_t ram_bytes_remaining(void) |
3026 | { | |
3027 | return ram_save_remaining() * TARGET_PAGE_SIZE; | |
3028 | } | |
3029 | ||
3030 | uint64_t ram_bytes_transferred(void) | |
3031 | { | |
3032 | return bytes_transferred; | |
3033 | } | |
3034 | ||
3035 | uint64_t ram_bytes_total(void) | |
3036 | { | |
3037 | return last_ram_offset; | |
3038 | } | |
3039 | ||
f327aa0c | 3040 | static int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) |
475e4277 | 3041 | { |
c227f099 | 3042 | ram_addr_t addr; |
a0a3fd60 GC |
3043 | uint64_t bytes_transferred_last; |
3044 | double bwidth = 0; | |
3045 | uint64_t expected_time = 0; | |
475e4277 | 3046 | |
4ec7fcc7 JK |
3047 | if (stage < 0) { |
3048 | cpu_physical_memory_set_dirty_tracking(0); | |
3049 | return 0; | |
3050 | } | |
3051 | ||
9fa06385 | 3052 | if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { |
b0a46a33 JK |
3053 | qemu_file_set_error(f); |
3054 | return 0; | |
3055 | } | |
3056 | ||
475e4277 | 3057 | if (stage == 1) { |
84307938 JK |
3058 | bytes_transferred = 0; |
3059 | ||
475e4277 | 3060 | /* Make sure all dirty bits are set */ |
94a6b54f | 3061 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
475e4277 AL |
3062 | if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
3063 | cpu_physical_memory_set_dirty(addr); | |
3064 | } | |
b0a46a33 | 3065 | |
475e4277 AL |
3066 | /* Enable dirty memory tracking */ |
3067 | cpu_physical_memory_set_dirty_tracking(1); | |
3068 | ||
94a6b54f | 3069 | qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE); |
475e4277 AL |
3070 | } |
3071 | ||
a0a3fd60 GC |
3072 | bytes_transferred_last = bytes_transferred; |
3073 | bwidth = get_clock(); | |
3074 | ||
475e4277 AL |
3075 | while (!qemu_file_rate_limit(f)) { |
3076 | int ret; | |
3077 | ||
3078 | ret = ram_save_block(f); | |
9f9e28cd | 3079 | bytes_transferred += ret * TARGET_PAGE_SIZE; |
475e4277 AL |
3080 | if (ret == 0) /* no more blocks */ |
3081 | break; | |
3082 | } | |
3083 | ||
a0a3fd60 GC |
3084 | bwidth = get_clock() - bwidth; |
3085 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; | |
3086 | ||
3087 | /* if we haven't transferred anything this round, force expected_time to a | |
3088 | * a very high value, but without crashing */ | |
3089 | if (bwidth == 0) | |
3090 | bwidth = 0.000001; | |
3091 | ||
475e4277 | 3092 | /* try transferring iterative blocks of memory */ |
475e4277 | 3093 | if (stage == 3) { |
475e4277 | 3094 | /* flush all remaining blocks regardless of rate limiting */ |
9f9e28cd GC |
3095 | while (ram_save_block(f) != 0) { |
3096 | bytes_transferred += TARGET_PAGE_SIZE; | |
3097 | } | |
8215e914 | 3098 | cpu_physical_memory_set_dirty_tracking(0); |
475e4277 AL |
3099 | } |
3100 | ||
3101 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); | |
3102 | ||
a0a3fd60 GC |
3103 | expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
3104 | ||
3105 | return (stage == 2) && (expected_time <= migrate_max_downtime()); | |
475e4277 AL |
3106 | } |
3107 | ||
475e4277 AL |
3108 | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
3109 | { | |
c227f099 | 3110 | ram_addr_t addr; |
475e4277 AL |
3111 | int flags; |
3112 | ||
475e4277 AL |
3113 | if (version_id != 3) |
3114 | return -EINVAL; | |
3115 | ||
3116 | do { | |
3117 | addr = qemu_get_be64(f); | |
3118 | ||
3119 | flags = addr & ~TARGET_PAGE_MASK; | |
3120 | addr &= TARGET_PAGE_MASK; | |
3121 | ||
3122 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
94a6b54f | 3123 | if (addr != last_ram_offset) |
475e4277 AL |
3124 | return -EINVAL; |
3125 | } | |
3126 | ||
475e4277 AL |
3127 | if (flags & RAM_SAVE_FLAG_COMPRESS) { |
3128 | uint8_t ch = qemu_get_byte(f); | |
779c6bef AL |
3129 | memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); |
3130 | #ifndef _WIN32 | |
30868442 AL |
3131 | if (ch == 0 && |
3132 | (!kvm_enabled() || kvm_has_sync_mmu())) { | |
3133 | madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED); | |
779c6bef | 3134 | } |
30868442 | 3135 | #endif |
9a743e5b | 3136 | } else if (flags & RAM_SAVE_FLAG_PAGE) { |
5579c7f3 | 3137 | qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); |
9a743e5b JK |
3138 | } |
3139 | if (qemu_file_has_error(f)) { | |
3140 | return -EIO; | |
3141 | } | |
475e4277 AL |
3142 | } while (!(flags & RAM_SAVE_FLAG_EOS)); |
3143 | ||
8a7ddc38 FB |
3144 | return 0; |
3145 | } | |
3146 | ||
9e472e10 AL |
3147 | void qemu_service_io(void) |
3148 | { | |
d9f75a4e | 3149 | qemu_notify_event(); |
9e472e10 AL |
3150 | } |
3151 | ||
cc1daa40 FB |
3152 | /***********************************************************/ |
3153 | /* machine registration */ | |
3154 | ||
bdaf78e0 | 3155 | static QEMUMachine *first_machine = NULL; |
6f338c34 | 3156 | QEMUMachine *current_machine = NULL; |
cc1daa40 FB |
3157 | |
3158 | int qemu_register_machine(QEMUMachine *m) | |
3159 | { | |
3160 | QEMUMachine **pm; | |
3161 | pm = &first_machine; | |
3162 | while (*pm != NULL) | |
3163 | pm = &(*pm)->next; | |
3164 | m->next = NULL; | |
3165 | *pm = m; | |
3166 | return 0; | |
3167 | } | |
3168 | ||
9596ebb7 | 3169 | static QEMUMachine *find_machine(const char *name) |
cc1daa40 FB |
3170 | { |
3171 | QEMUMachine *m; | |
3172 | ||
3173 | for(m = first_machine; m != NULL; m = m->next) { | |
3174 | if (!strcmp(m->name, name)) | |
3175 | return m; | |
3f6599e6 MM |
3176 | if (m->alias && !strcmp(m->alias, name)) |
3177 | return m; | |
cc1daa40 FB |
3178 | } |
3179 | return NULL; | |
3180 | } | |
3181 | ||
0c257437 AL |
3182 | static QEMUMachine *find_default_machine(void) |
3183 | { | |
3184 | QEMUMachine *m; | |
3185 | ||
3186 | for(m = first_machine; m != NULL; m = m->next) { | |
3187 | if (m->is_default) { | |
3188 | return m; | |
3189 | } | |
3190 | } | |
3191 | return NULL; | |
3192 | } | |
3193 | ||
8a7ddc38 FB |
3194 | /***********************************************************/ |
3195 | /* main execution loop */ | |
3196 | ||
9596ebb7 | 3197 | static void gui_update(void *opaque) |
8a7ddc38 | 3198 | { |
7d957bd8 | 3199 | uint64_t interval = GUI_REFRESH_INTERVAL; |
740733bb | 3200 | DisplayState *ds = opaque; |
7d957bd8 AL |
3201 | DisplayChangeListener *dcl = ds->listeners; |
3202 | ||
3203 | dpy_refresh(ds); | |
3204 | ||
3205 | while (dcl != NULL) { | |
3206 | if (dcl->gui_timer_interval && | |
3207 | dcl->gui_timer_interval < interval) | |
3208 | interval = dcl->gui_timer_interval; | |
3209 | dcl = dcl->next; | |
3210 | } | |
3211 | qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock)); | |
8a7ddc38 FB |
3212 | } |
3213 | ||
9043b62d BS |
3214 | static void nographic_update(void *opaque) |
3215 | { | |
3216 | uint64_t interval = GUI_REFRESH_INTERVAL; | |
3217 | ||
3218 | qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock)); | |
3219 | } | |
3220 | ||
0bd48850 FB |
3221 | struct vm_change_state_entry { |
3222 | VMChangeStateHandler *cb; | |
3223 | void *opaque; | |
72cf2d4f | 3224 | QLIST_ENTRY (vm_change_state_entry) entries; |
0bd48850 FB |
3225 | }; |
3226 | ||
72cf2d4f | 3227 | static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; |
0bd48850 FB |
3228 | |
3229 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
3230 | void *opaque) | |
3231 | { | |
3232 | VMChangeStateEntry *e; | |
3233 | ||
3234 | e = qemu_mallocz(sizeof (*e)); | |
0bd48850 FB |
3235 | |
3236 | e->cb = cb; | |
3237 | e->opaque = opaque; | |
72cf2d4f | 3238 | QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
0bd48850 FB |
3239 | return e; |
3240 | } | |
3241 | ||
3242 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
3243 | { | |
72cf2d4f | 3244 | QLIST_REMOVE (e, entries); |
0bd48850 FB |
3245 | qemu_free (e); |
3246 | } | |
3247 | ||
9781e040 | 3248 | static void vm_state_notify(int running, int reason) |
0bd48850 FB |
3249 | { |
3250 | VMChangeStateEntry *e; | |
3251 | ||
3252 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
9781e040 | 3253 | e->cb(e->opaque, running, reason); |
0bd48850 FB |
3254 | } |
3255 | } | |
3256 | ||
d6dc3d42 AL |
3257 | static void resume_all_vcpus(void); |
3258 | static void pause_all_vcpus(void); | |
3259 | ||
8a7ddc38 FB |
3260 | void vm_start(void) |
3261 | { | |
3262 | if (!vm_running) { | |
3263 | cpu_enable_ticks(); | |
3264 | vm_running = 1; | |
9781e040 | 3265 | vm_state_notify(1, 0); |
efe75411 | 3266 | qemu_rearm_alarm_timer(alarm_timer); |
d6dc3d42 | 3267 | resume_all_vcpus(); |
8a7ddc38 FB |
3268 | } |
3269 | } | |
3270 | ||
bb0c6722 FB |
3271 | /* reset/shutdown handler */ |
3272 | ||
3273 | typedef struct QEMUResetEntry { | |
72cf2d4f | 3274 | QTAILQ_ENTRY(QEMUResetEntry) entry; |
bb0c6722 FB |
3275 | QEMUResetHandler *func; |
3276 | void *opaque; | |
bb0c6722 FB |
3277 | } QEMUResetEntry; |
3278 | ||
72cf2d4f BS |
3279 | static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers = |
3280 | QTAILQ_HEAD_INITIALIZER(reset_handlers); | |
bb0c6722 FB |
3281 | static int reset_requested; |
3282 | static int shutdown_requested; | |
3475187d | 3283 | static int powerdown_requested; |
e568902a | 3284 | static int debug_requested; |
6e29f5da | 3285 | static int vmstop_requested; |
bb0c6722 | 3286 | |
cf7a2fe2 AJ |
3287 | int qemu_shutdown_requested(void) |
3288 | { | |
3289 | int r = shutdown_requested; | |
3290 | shutdown_requested = 0; | |
3291 | return r; | |
3292 | } | |
3293 | ||
3294 | int qemu_reset_requested(void) | |
3295 | { | |
3296 | int r = reset_requested; | |
3297 | reset_requested = 0; | |
3298 | return r; | |
3299 | } | |
3300 | ||
3301 | int qemu_powerdown_requested(void) | |
3302 | { | |
3303 | int r = powerdown_requested; | |
3304 | powerdown_requested = 0; | |
3305 | return r; | |
3306 | } | |
3307 | ||
e568902a AL |
3308 | static int qemu_debug_requested(void) |
3309 | { | |
3310 | int r = debug_requested; | |
3311 | debug_requested = 0; | |
3312 | return r; | |
3313 | } | |
3314 | ||
6e29f5da AL |
3315 | static int qemu_vmstop_requested(void) |
3316 | { | |
3317 | int r = vmstop_requested; | |
3318 | vmstop_requested = 0; | |
3319 | return r; | |
3320 | } | |
3321 | ||
3322 | static void do_vm_stop(int reason) | |
3323 | { | |
3324 | if (vm_running) { | |
3325 | cpu_disable_ticks(); | |
3326 | vm_running = 0; | |
d6dc3d42 | 3327 | pause_all_vcpus(); |
6e29f5da AL |
3328 | vm_state_notify(0, reason); |
3329 | } | |
3330 | } | |
3331 | ||
a08d4367 | 3332 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
bb0c6722 | 3333 | { |
55ddfe8e | 3334 | QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry)); |
bb0c6722 | 3335 | |
bb0c6722 FB |
3336 | re->func = func; |
3337 | re->opaque = opaque; | |
72cf2d4f | 3338 | QTAILQ_INSERT_TAIL(&reset_handlers, re, entry); |
bb0c6722 FB |
3339 | } |
3340 | ||
dda9b29f | 3341 | void qemu_unregister_reset(QEMUResetHandler *func, void *opaque) |
bb0c6722 FB |
3342 | { |
3343 | QEMUResetEntry *re; | |
3344 | ||
72cf2d4f | 3345 | QTAILQ_FOREACH(re, &reset_handlers, entry) { |
dda9b29f | 3346 | if (re->func == func && re->opaque == opaque) { |
72cf2d4f | 3347 | QTAILQ_REMOVE(&reset_handlers, re, entry); |
dda9b29f JK |
3348 | qemu_free(re); |
3349 | return; | |
3350 | } | |
3351 | } | |
3352 | } | |
3353 | ||
3354 | void qemu_system_reset(void) | |
3355 | { | |
3356 | QEMUResetEntry *re, *nre; | |
3357 | ||
3358 | /* reset all devices */ | |
72cf2d4f | 3359 | QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) { |
bb0c6722 FB |
3360 | re->func(re->opaque); |
3361 | } | |
3362 | } | |
3363 | ||
3364 | void qemu_system_reset_request(void) | |
3365 | { | |
d1beab82 FB |
3366 | if (no_reboot) { |
3367 | shutdown_requested = 1; | |
3368 | } else { | |
3369 | reset_requested = 1; | |
3370 | } | |
d9f75a4e | 3371 | qemu_notify_event(); |
bb0c6722 FB |
3372 | } |
3373 | ||
3374 | void qemu_system_shutdown_request(void) | |
3375 | { | |
3376 | shutdown_requested = 1; | |
d9f75a4e | 3377 | qemu_notify_event(); |
bb0c6722 FB |
3378 | } |
3379 | ||
3475187d FB |
3380 | void qemu_system_powerdown_request(void) |
3381 | { | |
3382 | powerdown_requested = 1; | |
d9f75a4e AL |
3383 | qemu_notify_event(); |
3384 | } | |
3385 | ||
d6dc3d42 AL |
3386 | #ifdef CONFIG_IOTHREAD |
3387 | static void qemu_system_vmstop_request(int reason) | |
d9f75a4e | 3388 | { |
d6dc3d42 AL |
3389 | vmstop_requested = reason; |
3390 | qemu_notify_event(); | |
bb0c6722 | 3391 | } |
d6dc3d42 | 3392 | #endif |
bb0c6722 | 3393 | |
50317c7f AL |
3394 | #ifndef _WIN32 |
3395 | static int io_thread_fd = -1; | |
3396 | ||
3397 | static void qemu_event_increment(void) | |
3fcf7b6b | 3398 | { |
50317c7f AL |
3399 | static const char byte = 0; |
3400 | ||
3401 | if (io_thread_fd == -1) | |
3402 | return; | |
3403 | ||
3404 | write(io_thread_fd, &byte, sizeof(byte)); | |
3405 | } | |
3406 | ||
3407 | static void qemu_event_read(void *opaque) | |
3408 | { | |
3409 | int fd = (unsigned long)opaque; | |
3410 | ssize_t len; | |
3411 | ||
3412 | /* Drain the notify pipe */ | |
3413 | do { | |
3414 | char buffer[512]; | |
3415 | len = read(fd, buffer, sizeof(buffer)); | |
3416 | } while ((len == -1 && errno == EINTR) || len > 0); | |
3417 | } | |
3418 | ||
3419 | static int qemu_event_init(void) | |
3420 | { | |
3421 | int err; | |
3422 | int fds[2]; | |
3423 | ||
40ff6d7e | 3424 | err = qemu_pipe(fds); |
50317c7f AL |
3425 | if (err == -1) |
3426 | return -errno; | |
3427 | ||
3428 | err = fcntl_setfl(fds[0], O_NONBLOCK); | |
3429 | if (err < 0) | |
3430 | goto fail; | |
3431 | ||
3432 | err = fcntl_setfl(fds[1], O_NONBLOCK); | |
3433 | if (err < 0) | |
3434 | goto fail; | |
3435 | ||
3436 | qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL, | |
3437 | (void *)(unsigned long)fds[0]); | |
3438 | ||
3439 | io_thread_fd = fds[1]; | |
a7e21219 JK |
3440 | return 0; |
3441 | ||
50317c7f AL |
3442 | fail: |
3443 | close(fds[0]); | |
3444 | close(fds[1]); | |
3445 | return err; | |
3446 | } | |
3447 | #else | |
3448 | HANDLE qemu_event_handle; | |
3449 | ||
3450 | static void dummy_event_handler(void *opaque) | |
3451 | { | |
3452 | } | |
3453 | ||
3454 | static int qemu_event_init(void) | |
3455 | { | |
3456 | qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL); | |
3457 | if (!qemu_event_handle) { | |
20889d4e | 3458 | fprintf(stderr, "Failed CreateEvent: %ld\n", GetLastError()); |
50317c7f AL |
3459 | return -1; |
3460 | } | |
3461 | qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL); | |
3fcf7b6b AL |
3462 | return 0; |
3463 | } | |
3464 | ||
50317c7f AL |
3465 | static void qemu_event_increment(void) |
3466 | { | |
de1c90cf | 3467 | if (!SetEvent(qemu_event_handle)) { |
20889d4e | 3468 | fprintf(stderr, "qemu_event_increment: SetEvent failed: %ld\n", |
de1c90cf | 3469 | GetLastError()); |
3470 | exit (1); | |
3471 | } | |
50317c7f AL |
3472 | } |
3473 | #endif | |
3474 | ||
d6dc3d42 AL |
3475 | static int cpu_can_run(CPUState *env) |
3476 | { | |
3477 | if (env->stop) | |
3478 | return 0; | |
3479 | if (env->stopped) | |
3480 | return 0; | |
3481 | return 1; | |
3482 | } | |
3483 | ||
3484 | #ifndef CONFIG_IOTHREAD | |
50317c7f AL |
3485 | static int qemu_init_main_loop(void) |
3486 | { | |
3487 | return qemu_event_init(); | |
3488 | } | |
3489 | ||
0bf46a40 AL |
3490 | void qemu_init_vcpu(void *_env) |
3491 | { | |
3492 | CPUState *env = _env; | |
3493 | ||
3494 | if (kvm_enabled()) | |
3495 | kvm_init_vcpu(env); | |
dc6b1c09 AP |
3496 | env->nr_cores = smp_cores; |
3497 | env->nr_threads = smp_threads; | |
0bf46a40 AL |
3498 | return; |
3499 | } | |
3500 | ||
8edac960 AL |
3501 | int qemu_cpu_self(void *env) |
3502 | { | |
3503 | return 1; | |
3504 | } | |
3505 | ||
d6dc3d42 AL |
3506 | static void resume_all_vcpus(void) |
3507 | { | |
3508 | } | |
3509 | ||
3510 | static void pause_all_vcpus(void) | |
3511 | { | |
3512 | } | |
3513 | ||
8edac960 AL |
3514 | void qemu_cpu_kick(void *env) |
3515 | { | |
3516 | return; | |
3517 | } | |
3518 | ||
d6dc3d42 AL |
3519 | void qemu_notify_event(void) |
3520 | { | |
3521 | CPUState *env = cpu_single_env; | |
3522 | ||
3523 | if (env) { | |
3524 | cpu_exit(env); | |
4a1418e0 | 3525 | } |
d6dc3d42 AL |
3526 | } |
3527 | ||
d549db5a GC |
3528 | void qemu_mutex_lock_iothread(void) {} |
3529 | void qemu_mutex_unlock_iothread(void) {} | |
4870852c | 3530 | |
6e29f5da AL |
3531 | void vm_stop(int reason) |
3532 | { | |
3533 | do_vm_stop(reason); | |
3534 | } | |
3535 | ||
d6dc3d42 AL |
3536 | #else /* CONFIG_IOTHREAD */ |
3537 | ||
3538 | #include "qemu-thread.h" | |
3539 | ||
3540 | QemuMutex qemu_global_mutex; | |
3541 | static QemuMutex qemu_fair_mutex; | |
3542 | ||
3543 | static QemuThread io_thread; | |
3544 | ||
3545 | static QemuThread *tcg_cpu_thread; | |
3546 | static QemuCond *tcg_halt_cond; | |
3547 | ||
3548 | static int qemu_system_ready; | |
3549 | /* cpu creation */ | |
3550 | static QemuCond qemu_cpu_cond; | |
3551 | /* system init */ | |
3552 | static QemuCond qemu_system_cond; | |
3553 | static QemuCond qemu_pause_cond; | |
3554 | ||
3555 | static void block_io_signals(void); | |
3556 | static void unblock_io_signals(void); | |
3557 | static int tcg_has_work(void); | |
3558 | ||
3559 | static int qemu_init_main_loop(void) | |
3560 | { | |
3561 | int ret; | |
3562 | ||
3563 | ret = qemu_event_init(); | |
3564 | if (ret) | |
3565 | return ret; | |
3566 | ||
3567 | qemu_cond_init(&qemu_pause_cond); | |
3568 | qemu_mutex_init(&qemu_fair_mutex); | |
3569 | qemu_mutex_init(&qemu_global_mutex); | |
3570 | qemu_mutex_lock(&qemu_global_mutex); | |
3571 | ||
3572 | unblock_io_signals(); | |
3573 | qemu_thread_self(&io_thread); | |
3574 | ||
3575 | return 0; | |
3576 | } | |
3577 | ||
3578 | static void qemu_wait_io_event(CPUState *env) | |
3579 | { | |
3580 | while (!tcg_has_work()) | |
3581 | qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000); | |
3582 | ||
3583 | qemu_mutex_unlock(&qemu_global_mutex); | |
3584 | ||
3585 | /* | |
3586 | * Users of qemu_global_mutex can be starved, having no chance | |
3587 | * to acquire it since this path will get to it first. | |
3588 | * So use another lock to provide fairness. | |
3589 | */ | |
3590 | qemu_mutex_lock(&qemu_fair_mutex); | |
3591 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3592 | ||
3593 | qemu_mutex_lock(&qemu_global_mutex); | |
3594 | if (env->stop) { | |
3595 | env->stop = 0; | |
3596 | env->stopped = 1; | |
3597 | qemu_cond_signal(&qemu_pause_cond); | |
3598 | } | |
3599 | } | |
3600 | ||
3601 | static int qemu_cpu_exec(CPUState *env); | |
3602 | ||
3603 | static void *kvm_cpu_thread_fn(void *arg) | |
3604 | { | |
3605 | CPUState *env = arg; | |
3606 | ||
3607 | block_io_signals(); | |
3608 | qemu_thread_self(env->thread); | |
321c1cb1 JCD |
3609 | if (kvm_enabled()) |
3610 | kvm_init_vcpu(env); | |
d6dc3d42 AL |
3611 | |
3612 | /* signal CPU creation */ | |
3613 | qemu_mutex_lock(&qemu_global_mutex); | |
3614 | env->created = 1; | |
3615 | qemu_cond_signal(&qemu_cpu_cond); | |
3616 | ||
3617 | /* and wait for machine initialization */ | |
3618 | while (!qemu_system_ready) | |
3619 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3620 | ||
3621 | while (1) { | |
3622 | if (cpu_can_run(env)) | |
3623 | qemu_cpu_exec(env); | |
1c3173b9 | 3624 | qemu_wait_io_event(env); |
d6dc3d42 AL |
3625 | } |
3626 | ||
3627 | return NULL; | |
3628 | } | |
3629 | ||
3630 | static void tcg_cpu_exec(void); | |
3631 | ||
3632 | static void *tcg_cpu_thread_fn(void *arg) | |
3633 | { | |
3634 | CPUState *env = arg; | |
3635 | ||
3636 | block_io_signals(); | |
3637 | qemu_thread_self(env->thread); | |
3638 | ||
3639 | /* signal CPU creation */ | |
3640 | qemu_mutex_lock(&qemu_global_mutex); | |
3641 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
3642 | env->created = 1; | |
3643 | qemu_cond_signal(&qemu_cpu_cond); | |
3644 | ||
3645 | /* and wait for machine initialization */ | |
3646 | while (!qemu_system_ready) | |
3647 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3648 | ||
3649 | while (1) { | |
3650 | tcg_cpu_exec(); | |
3651 | qemu_wait_io_event(cur_cpu); | |
3652 | } | |
3653 | ||
3654 | return NULL; | |
3655 | } | |
3656 | ||
3657 | void qemu_cpu_kick(void *_env) | |
3658 | { | |
3659 | CPUState *env = _env; | |
3660 | qemu_cond_broadcast(env->halt_cond); | |
3661 | if (kvm_enabled()) | |
3662 | qemu_thread_signal(env->thread, SIGUSR1); | |
3663 | } | |
3664 | ||
e5bc201d | 3665 | int qemu_cpu_self(void *_env) |
d6dc3d42 | 3666 | { |
e5bc201d GC |
3667 | CPUState *env = _env; |
3668 | QemuThread this; | |
3669 | ||
3670 | qemu_thread_self(&this); | |
3671 | ||
3672 | return qemu_thread_equal(&this, env->thread); | |
d6dc3d42 AL |
3673 | } |
3674 | ||
3675 | static void cpu_signal(int sig) | |
3676 | { | |
3677 | if (cpu_single_env) | |
3678 | cpu_exit(cpu_single_env); | |
3679 | } | |
3680 | ||
3681 | static void block_io_signals(void) | |
3682 | { | |
3683 | sigset_t set; | |
3684 | struct sigaction sigact; | |
3685 | ||
3686 | sigemptyset(&set); | |
3687 | sigaddset(&set, SIGUSR2); | |
3688 | sigaddset(&set, SIGIO); | |
3689 | sigaddset(&set, SIGALRM); | |
3690 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3691 | ||
3692 | sigemptyset(&set); | |
3693 | sigaddset(&set, SIGUSR1); | |
3694 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3695 | ||
3696 | memset(&sigact, 0, sizeof(sigact)); | |
3697 | sigact.sa_handler = cpu_signal; | |
3698 | sigaction(SIGUSR1, &sigact, NULL); | |
3699 | } | |
3700 | ||
3701 | static void unblock_io_signals(void) | |
3702 | { | |
3703 | sigset_t set; | |
3704 | ||
3705 | sigemptyset(&set); | |
3706 | sigaddset(&set, SIGUSR2); | |
3707 | sigaddset(&set, SIGIO); | |
3708 | sigaddset(&set, SIGALRM); | |
3709 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3710 | ||
3711 | sigemptyset(&set); | |
3712 | sigaddset(&set, SIGUSR1); | |
3713 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3714 | } | |
3715 | ||
3716 | static void qemu_signal_lock(unsigned int msecs) | |
3717 | { | |
3718 | qemu_mutex_lock(&qemu_fair_mutex); | |
3719 | ||
3720 | while (qemu_mutex_trylock(&qemu_global_mutex)) { | |
3721 | qemu_thread_signal(tcg_cpu_thread, SIGUSR1); | |
3722 | if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs)) | |
3723 | break; | |
3724 | } | |
3725 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3726 | } | |
3727 | ||
d549db5a | 3728 | void qemu_mutex_lock_iothread(void) |
d6dc3d42 AL |
3729 | { |
3730 | if (kvm_enabled()) { | |
3731 | qemu_mutex_lock(&qemu_fair_mutex); | |
3732 | qemu_mutex_lock(&qemu_global_mutex); | |
3733 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3734 | } else | |
3735 | qemu_signal_lock(100); | |
3736 | } | |
3737 | ||
d549db5a | 3738 | void qemu_mutex_unlock_iothread(void) |
d6dc3d42 AL |
3739 | { |
3740 | qemu_mutex_unlock(&qemu_global_mutex); | |
3741 | } | |
3742 | ||
3743 | static int all_vcpus_paused(void) | |
3744 | { | |
3745 | CPUState *penv = first_cpu; | |
3746 | ||
3747 | while (penv) { | |
3748 | if (!penv->stopped) | |
3749 | return 0; | |
3750 | penv = (CPUState *)penv->next_cpu; | |
3751 | } | |
3752 | ||
3753 | return 1; | |
3754 | } | |
3755 | ||
3756 | static void pause_all_vcpus(void) | |
3757 | { | |
3758 | CPUState *penv = first_cpu; | |
3759 | ||
3760 | while (penv) { | |
3761 | penv->stop = 1; | |
3762 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3763 | qemu_cpu_kick(penv); | |
3764 | penv = (CPUState *)penv->next_cpu; | |
3765 | } | |
3766 | ||
3767 | while (!all_vcpus_paused()) { | |
3768 | qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100); | |
3769 | penv = first_cpu; | |
3770 | while (penv) { | |
3771 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3772 | penv = (CPUState *)penv->next_cpu; | |
3773 | } | |
3774 | } | |
3775 | } | |
3776 | ||
3777 | static void resume_all_vcpus(void) | |
3778 | { | |
3779 | CPUState *penv = first_cpu; | |
3780 | ||
3781 | while (penv) { | |
3782 | penv->stop = 0; | |
3783 | penv->stopped = 0; | |
3784 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3785 | qemu_cpu_kick(penv); | |
3786 | penv = (CPUState *)penv->next_cpu; | |
3787 | } | |
3788 | } | |
3789 | ||
3790 | static void tcg_init_vcpu(void *_env) | |
3791 | { | |
3792 | CPUState *env = _env; | |
3793 | /* share a single thread for all cpus with TCG */ | |
3794 | if (!tcg_cpu_thread) { | |
3795 | env->thread = qemu_mallocz(sizeof(QemuThread)); | |
3796 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
3797 | qemu_cond_init(env->halt_cond); | |
3798 | qemu_thread_create(env->thread, tcg_cpu_thread_fn, env); | |
3799 | while (env->created == 0) | |
3800 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
3801 | tcg_cpu_thread = env->thread; | |
3802 | tcg_halt_cond = env->halt_cond; | |
3803 | } else { | |
3804 | env->thread = tcg_cpu_thread; | |
3805 | env->halt_cond = tcg_halt_cond; | |
3806 | } | |
3807 | } | |
3808 | ||
3809 | static void kvm_start_vcpu(CPUState *env) | |
3810 | { | |
d6dc3d42 AL |
3811 | env->thread = qemu_mallocz(sizeof(QemuThread)); |
3812 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
3813 | qemu_cond_init(env->halt_cond); | |
3814 | qemu_thread_create(env->thread, kvm_cpu_thread_fn, env); | |
3815 | while (env->created == 0) | |
3816 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
3817 | } | |
3818 | ||
3819 | void qemu_init_vcpu(void *_env) | |
3820 | { | |
3821 | CPUState *env = _env; | |
3822 | ||
3823 | if (kvm_enabled()) | |
3824 | kvm_start_vcpu(env); | |
3825 | else | |
3826 | tcg_init_vcpu(env); | |
dc6b1c09 AP |
3827 | env->nr_cores = smp_cores; |
3828 | env->nr_threads = smp_threads; | |
d6dc3d42 AL |
3829 | } |
3830 | ||
3831 | void qemu_notify_event(void) | |
3832 | { | |
3833 | qemu_event_increment(); | |
3834 | } | |
3835 | ||
3836 | void vm_stop(int reason) | |
3837 | { | |
3838 | QemuThread me; | |
3839 | qemu_thread_self(&me); | |
3840 | ||
3841 | if (!qemu_thread_equal(&me, &io_thread)) { | |
3842 | qemu_system_vmstop_request(reason); | |
3843 | /* | |
3844 | * FIXME: should not return to device code in case | |
3845 | * vm_stop() has been requested. | |
3846 | */ | |
3847 | if (cpu_single_env) { | |
3848 | cpu_exit(cpu_single_env); | |
3849 | cpu_single_env->stop = 1; | |
3850 | } | |
3851 | return; | |
3852 | } | |
3853 | do_vm_stop(reason); | |
3854 | } | |
3855 | ||
3856 | #endif | |
3857 | ||
3858 | ||
877cf882 | 3859 | #ifdef _WIN32 |
69d6451c | 3860 | static void host_main_loop_wait(int *timeout) |
56f3a5d0 AL |
3861 | { |
3862 | int ret, ret2, i; | |
f331110f FB |
3863 | PollingEntry *pe; |
3864 | ||
c4b1fcc0 | 3865 | |
f331110f FB |
3866 | /* XXX: need to suppress polling by better using win32 events */ |
3867 | ret = 0; | |
3868 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { | |
3869 | ret |= pe->func(pe->opaque); | |
3870 | } | |
e6b1e558 | 3871 | if (ret == 0) { |
a18e524a FB |
3872 | int err; |
3873 | WaitObjects *w = &wait_objects; | |
3b46e624 | 3874 | |
56f3a5d0 | 3875 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); |
a18e524a FB |
3876 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
3877 | if (w->func[ret - WAIT_OBJECT_0]) | |
3878 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); | |
3b46e624 | 3879 | |
5fafdf24 | 3880 | /* Check for additional signaled events */ |
e6b1e558 | 3881 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
3b46e624 | 3882 | |
e6b1e558 TS |
3883 | /* Check if event is signaled */ |
3884 | ret2 = WaitForSingleObject(w->events[i], 0); | |
3885 | if(ret2 == WAIT_OBJECT_0) { | |
3886 | if (w->func[i]) | |
3887 | w->func[i](w->opaque[i]); | |
3888 | } else if (ret2 == WAIT_TIMEOUT) { | |
3889 | } else { | |
3890 | err = GetLastError(); | |
3891 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); | |
3b46e624 TS |
3892 | } |
3893 | } | |
a18e524a FB |
3894 | } else if (ret == WAIT_TIMEOUT) { |
3895 | } else { | |
3896 | err = GetLastError(); | |
e6b1e558 | 3897 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); |
a18e524a | 3898 | } |
f331110f | 3899 | } |
56f3a5d0 AL |
3900 | |
3901 | *timeout = 0; | |
3902 | } | |
3903 | #else | |
69d6451c | 3904 | static void host_main_loop_wait(int *timeout) |
56f3a5d0 AL |
3905 | { |
3906 | } | |
fd1dff4b | 3907 | #endif |
56f3a5d0 AL |
3908 | |
3909 | void main_loop_wait(int timeout) | |
3910 | { | |
3911 | IOHandlerRecord *ioh; | |
3912 | fd_set rfds, wfds, xfds; | |
3913 | int ret, nfds; | |
3914 | struct timeval tv; | |
3915 | ||
3916 | qemu_bh_update_timeout(&timeout); | |
3917 | ||
3918 | host_main_loop_wait(&timeout); | |
3919 | ||
fd1dff4b FB |
3920 | /* poll any events */ |
3921 | /* XXX: separate device handlers from system ones */ | |
6abfbd79 | 3922 | nfds = -1; |
fd1dff4b FB |
3923 | FD_ZERO(&rfds); |
3924 | FD_ZERO(&wfds); | |
e035649e | 3925 | FD_ZERO(&xfds); |
fd1dff4b | 3926 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
cafffd40 TS |
3927 | if (ioh->deleted) |
3928 | continue; | |
fd1dff4b FB |
3929 | if (ioh->fd_read && |
3930 | (!ioh->fd_read_poll || | |
3931 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
3932 | FD_SET(ioh->fd, &rfds); | |
3933 | if (ioh->fd > nfds) | |
3934 | nfds = ioh->fd; | |
3935 | } | |
3936 | if (ioh->fd_write) { | |
3937 | FD_SET(ioh->fd, &wfds); | |
3938 | if (ioh->fd > nfds) | |
3939 | nfds = ioh->fd; | |
3940 | } | |
3941 | } | |
3b46e624 | 3942 | |
56f3a5d0 AL |
3943 | tv.tv_sec = timeout / 1000; |
3944 | tv.tv_usec = (timeout % 1000) * 1000; | |
3945 | ||
d918f23e JK |
3946 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
3947 | ||
4870852c | 3948 | qemu_mutex_unlock_iothread(); |
e035649e | 3949 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); |
4870852c | 3950 | qemu_mutex_lock_iothread(); |
fd1dff4b | 3951 | if (ret > 0) { |
cafffd40 TS |
3952 | IOHandlerRecord **pioh; |
3953 | ||
3954 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
6ab43fdc | 3955 | if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { |
fd1dff4b | 3956 | ioh->fd_read(ioh->opaque); |
7c9d8e07 | 3957 | } |
6ab43fdc | 3958 | if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { |
fd1dff4b | 3959 | ioh->fd_write(ioh->opaque); |
c4b1fcc0 | 3960 | } |
b4608c04 | 3961 | } |
cafffd40 TS |
3962 | |
3963 | /* remove deleted IO handlers */ | |
3964 | pioh = &first_io_handler; | |
3965 | while (*pioh) { | |
3966 | ioh = *pioh; | |
3967 | if (ioh->deleted) { | |
3968 | *pioh = ioh->next; | |
3969 | qemu_free(ioh); | |
5fafdf24 | 3970 | } else |
cafffd40 TS |
3971 | pioh = &ioh->next; |
3972 | } | |
fd1dff4b | 3973 | } |
d918f23e JK |
3974 | |
3975 | slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0)); | |
b4608c04 | 3976 | |
50317c7f AL |
3977 | /* rearm timer, if not periodic */ |
3978 | if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { | |
3979 | alarm_timer->flags &= ~ALARM_FLAG_EXPIRED; | |
3980 | qemu_rearm_alarm_timer(alarm_timer); | |
3981 | } | |
3982 | ||
357c692c | 3983 | /* vm time timers */ |
d6dc3d42 AL |
3984 | if (vm_running) { |
3985 | if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) | |
0fdddf80 JK |
3986 | qemu_run_timers(&active_timers[QEMU_CLOCK_VIRTUAL], |
3987 | qemu_get_clock(vm_clock)); | |
d6dc3d42 | 3988 | } |
357c692c AL |
3989 | |
3990 | /* real time timers */ | |
0fdddf80 | 3991 | qemu_run_timers(&active_timers[QEMU_CLOCK_REALTIME], |
357c692c AL |
3992 | qemu_get_clock(rt_clock)); |
3993 | ||
21d5d12b JK |
3994 | qemu_run_timers(&active_timers[QEMU_CLOCK_HOST], |
3995 | qemu_get_clock(host_clock)); | |
3996 | ||
423f0742 PB |
3997 | /* Check bottom-halves last in case any of the earlier events triggered |
3998 | them. */ | |
3999 | qemu_bh_poll(); | |
3b46e624 | 4000 | |
5905b2e5 FB |
4001 | } |
4002 | ||
43b96858 | 4003 | static int qemu_cpu_exec(CPUState *env) |
5905b2e5 | 4004 | { |
43b96858 | 4005 | int ret; |
89bfc105 FB |
4006 | #ifdef CONFIG_PROFILER |
4007 | int64_t ti; | |
4008 | #endif | |
5905b2e5 | 4009 | |
89bfc105 | 4010 | #ifdef CONFIG_PROFILER |
43b96858 | 4011 | ti = profile_getclock(); |
89bfc105 | 4012 | #endif |
43b96858 AL |
4013 | if (use_icount) { |
4014 | int64_t count; | |
4015 | int decr; | |
4016 | qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); | |
4017 | env->icount_decr.u16.low = 0; | |
4018 | env->icount_extra = 0; | |
4019 | count = qemu_next_deadline(); | |
4020 | count = (count + (1 << icount_time_shift) - 1) | |
4021 | >> icount_time_shift; | |
4022 | qemu_icount += count; | |
4023 | decr = (count > 0xffff) ? 0xffff : count; | |
4024 | count -= decr; | |
4025 | env->icount_decr.u16.low = decr; | |
4026 | env->icount_extra = count; | |
4027 | } | |
4028 | ret = cpu_exec(env); | |
89bfc105 | 4029 | #ifdef CONFIG_PROFILER |
43b96858 | 4030 | qemu_time += profile_getclock() - ti; |
89bfc105 | 4031 | #endif |
43b96858 AL |
4032 | if (use_icount) { |
4033 | /* Fold pending instructions back into the | |
4034 | instruction counter, and clear the interrupt flag. */ | |
4035 | qemu_icount -= (env->icount_decr.u16.low | |
4036 | + env->icount_extra); | |
4037 | env->icount_decr.u32 = 0; | |
4038 | env->icount_extra = 0; | |
4039 | } | |
4040 | return ret; | |
4041 | } | |
4042 | ||
e6e35b1e AL |
4043 | static void tcg_cpu_exec(void) |
4044 | { | |
d6dc3d42 | 4045 | int ret = 0; |
e6e35b1e AL |
4046 | |
4047 | if (next_cpu == NULL) | |
4048 | next_cpu = first_cpu; | |
4049 | for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { | |
4050 | CPUState *env = cur_cpu = next_cpu; | |
4051 | ||
4052 | if (!vm_running) | |
4053 | break; | |
4054 | if (timer_alarm_pending) { | |
4055 | timer_alarm_pending = 0; | |
4056 | break; | |
4057 | } | |
d6dc3d42 AL |
4058 | if (cpu_can_run(env)) |
4059 | ret = qemu_cpu_exec(env); | |
e6e35b1e AL |
4060 | if (ret == EXCP_DEBUG) { |
4061 | gdb_set_stop_cpu(env); | |
4062 | debug_requested = 1; | |
4063 | break; | |
4064 | } | |
4065 | } | |
4066 | } | |
4067 | ||
43b96858 AL |
4068 | static int cpu_has_work(CPUState *env) |
4069 | { | |
d6dc3d42 AL |
4070 | if (env->stop) |
4071 | return 1; | |
4072 | if (env->stopped) | |
4073 | return 0; | |
43b96858 AL |
4074 | if (!env->halted) |
4075 | return 1; | |
4076 | if (qemu_cpu_has_work(env)) | |
4077 | return 1; | |
4078 | return 0; | |
4079 | } | |
4080 | ||
4081 | static int tcg_has_work(void) | |
4082 | { | |
4083 | CPUState *env; | |
4084 | ||
4085 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
4086 | if (cpu_has_work(env)) | |
4087 | return 1; | |
4088 | return 0; | |
4089 | } | |
4090 | ||
4091 | static int qemu_calculate_timeout(void) | |
4092 | { | |
b319820d | 4093 | #ifndef CONFIG_IOTHREAD |
43b96858 AL |
4094 | int timeout; |
4095 | ||
4096 | if (!vm_running) | |
4097 | timeout = 5000; | |
4098 | else if (tcg_has_work()) | |
4099 | timeout = 0; | |
4100 | else if (!use_icount) | |
4101 | timeout = 5000; | |
4102 | else { | |
4103 | /* XXX: use timeout computed from timers */ | |
4104 | int64_t add; | |
4105 | int64_t delta; | |
4106 | /* Advance virtual time to the next event. */ | |
4107 | if (use_icount == 1) { | |
4108 | /* When not using an adaptive execution frequency | |
4109 | we tend to get badly out of sync with real time, | |
4110 | so just delay for a reasonable amount of time. */ | |
4111 | delta = 0; | |
4112 | } else { | |
4113 | delta = cpu_get_icount() - cpu_get_clock(); | |
4114 | } | |
4115 | if (delta > 0) { | |
4116 | /* If virtual time is ahead of real time then just | |
4117 | wait for IO. */ | |
4118 | timeout = (delta / 1000000) + 1; | |
4119 | } else { | |
4120 | /* Wait for either IO to occur or the next | |
4121 | timer event. */ | |
4122 | add = qemu_next_deadline(); | |
4123 | /* We advance the timer before checking for IO. | |
4124 | Limit the amount we advance so that early IO | |
4125 | activity won't get the guest too far ahead. */ | |
4126 | if (add > 10000000) | |
4127 | add = 10000000; | |
4128 | delta += add; | |
4129 | add = (add + (1 << icount_time_shift) - 1) | |
4130 | >> icount_time_shift; | |
4131 | qemu_icount += add; | |
4132 | timeout = delta / 1000000; | |
4133 | if (timeout < 0) | |
4134 | timeout = 0; | |
4135 | } | |
4136 | } | |
4137 | ||
4138 | return timeout; | |
b319820d LC |
4139 | #else /* CONFIG_IOTHREAD */ |
4140 | return 1000; | |
4141 | #endif | |
43b96858 AL |
4142 | } |
4143 | ||
4144 | static int vm_can_run(void) | |
4145 | { | |
4146 | if (powerdown_requested) | |
4147 | return 0; | |
4148 | if (reset_requested) | |
4149 | return 0; | |
4150 | if (shutdown_requested) | |
4151 | return 0; | |
e568902a AL |
4152 | if (debug_requested) |
4153 | return 0; | |
43b96858 AL |
4154 | return 1; |
4155 | } | |
4156 | ||
d9c32310 BS |
4157 | qemu_irq qemu_system_powerdown; |
4158 | ||
43b96858 AL |
4159 | static void main_loop(void) |
4160 | { | |
6e29f5da | 4161 | int r; |
e6e35b1e | 4162 | |
d6dc3d42 AL |
4163 | #ifdef CONFIG_IOTHREAD |
4164 | qemu_system_ready = 1; | |
4165 | qemu_cond_broadcast(&qemu_system_cond); | |
4166 | #endif | |
4167 | ||
6e29f5da | 4168 | for (;;) { |
43b96858 | 4169 | do { |
e6e35b1e AL |
4170 | #ifdef CONFIG_PROFILER |
4171 | int64_t ti; | |
4172 | #endif | |
d6dc3d42 | 4173 | #ifndef CONFIG_IOTHREAD |
e6e35b1e | 4174 | tcg_cpu_exec(); |
d6dc3d42 | 4175 | #endif |
89bfc105 | 4176 | #ifdef CONFIG_PROFILER |
43b96858 | 4177 | ti = profile_getclock(); |
89bfc105 | 4178 | #endif |
43b96858 | 4179 | main_loop_wait(qemu_calculate_timeout()); |
89bfc105 | 4180 | #ifdef CONFIG_PROFILER |
43b96858 | 4181 | dev_time += profile_getclock() - ti; |
89bfc105 | 4182 | #endif |
e568902a | 4183 | } while (vm_can_run()); |
43b96858 | 4184 | |
b1a15e7e | 4185 | if (qemu_debug_requested()) { |
242cd003 | 4186 | monitor_protocol_event(QEVENT_DEBUG, NULL); |
e568902a | 4187 | vm_stop(EXCP_DEBUG); |
b1a15e7e | 4188 | } |
43b96858 | 4189 | if (qemu_shutdown_requested()) { |
242cd003 | 4190 | monitor_protocol_event(QEVENT_SHUTDOWN, NULL); |
43b96858 AL |
4191 | if (no_shutdown) { |
4192 | vm_stop(0); | |
4193 | no_shutdown = 0; | |
4194 | } else | |
4195 | break; | |
4196 | } | |
d6dc3d42 | 4197 | if (qemu_reset_requested()) { |
242cd003 | 4198 | monitor_protocol_event(QEVENT_RESET, NULL); |
d6dc3d42 | 4199 | pause_all_vcpus(); |
43b96858 | 4200 | qemu_system_reset(); |
d6dc3d42 AL |
4201 | resume_all_vcpus(); |
4202 | } | |
d9c32310 | 4203 | if (qemu_powerdown_requested()) { |
242cd003 | 4204 | monitor_protocol_event(QEVENT_POWERDOWN, NULL); |
d9c32310 BS |
4205 | qemu_irq_raise(qemu_system_powerdown); |
4206 | } | |
b1a15e7e | 4207 | if ((r = qemu_vmstop_requested())) { |
242cd003 | 4208 | monitor_protocol_event(QEVENT_STOP, NULL); |
6e29f5da | 4209 | vm_stop(r); |
b1a15e7e | 4210 | } |
b4608c04 | 4211 | } |
d6dc3d42 | 4212 | pause_all_vcpus(); |
b4608c04 FB |
4213 | } |
4214 | ||
9bd7e6d9 PB |
4215 | static void version(void) |
4216 | { | |
4a19f1ec | 4217 | printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); |
9bd7e6d9 PB |
4218 | } |
4219 | ||
15f82208 | 4220 | static void help(int exitcode) |
0824d6fc | 4221 | { |
9bd7e6d9 PB |
4222 | version(); |
4223 | printf("usage: %s [options] [disk_image]\n" | |
0824d6fc | 4224 | "\n" |
a20dd508 | 4225 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 4226 | "\n" |
5824d651 BS |
4227 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4228 | opt_help | |
4229 | #define DEFHEADING(text) stringify(text) "\n" | |
4230 | #include "qemu-options.h" | |
4231 | #undef DEF | |
4232 | #undef DEFHEADING | |
4233 | #undef GEN_DOCS | |
0824d6fc | 4234 | "\n" |
82c643ff | 4235 | "During emulation, the following keys are useful:\n" |
032a8c9e FB |
4236 | "ctrl-alt-f toggle full screen\n" |
4237 | "ctrl-alt-n switch to virtual console 'n'\n" | |
4238 | "ctrl-alt toggle mouse and keyboard grab\n" | |
82c643ff FB |
4239 | "\n" |
4240 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
4241 | , | |
0db63474 | 4242 | "qemu", |
a00bad7e | 4243 | DEFAULT_RAM_SIZE, |
7c9d8e07 | 4244 | #ifndef _WIN32 |
a00bad7e | 4245 | DEFAULT_NETWORK_SCRIPT, |
b46a8906 | 4246 | DEFAULT_NETWORK_DOWN_SCRIPT, |
7c9d8e07 | 4247 | #endif |
6e44ba7f | 4248 | DEFAULT_GDBSTUB_PORT, |
bce61846 | 4249 | "/tmp/qemu.log"); |
15f82208 | 4250 | exit(exitcode); |
0824d6fc FB |
4251 | } |
4252 | ||
cd6f1169 FB |
4253 | #define HAS_ARG 0x0001 |
4254 | ||
4255 | enum { | |
5824d651 BS |
4256 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4257 | opt_enum, | |
4258 | #define DEFHEADING(text) | |
4259 | #include "qemu-options.h" | |
4260 | #undef DEF | |
4261 | #undef DEFHEADING | |
4262 | #undef GEN_DOCS | |
cd6f1169 FB |
4263 | }; |
4264 | ||
4265 | typedef struct QEMUOption { | |
4266 | const char *name; | |
4267 | int flags; | |
4268 | int index; | |
4269 | } QEMUOption; | |
4270 | ||
dbed7e40 | 4271 | static const QEMUOption qemu_options[] = { |
cd6f1169 | 4272 | { "h", 0, QEMU_OPTION_h }, |
5824d651 BS |
4273 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4274 | { option, opt_arg, opt_enum }, | |
4275 | #define DEFHEADING(text) | |
4276 | #include "qemu-options.h" | |
4277 | #undef DEF | |
4278 | #undef DEFHEADING | |
4279 | #undef GEN_DOCS | |
cd6f1169 | 4280 | { NULL }, |
fc01f7e7 FB |
4281 | }; |
4282 | ||
1d14ffa9 | 4283 | #ifdef HAS_AUDIO |
6a36d84e | 4284 | struct soundhw soundhw[] = { |
b00052e4 | 4285 | #ifdef HAS_AUDIO_CHOICE |
4ce7ff6e | 4286 | #if defined(TARGET_I386) || defined(TARGET_MIPS) |
fd06c375 FB |
4287 | { |
4288 | "pcspk", | |
4289 | "PC speaker", | |
4290 | 0, | |
4291 | 1, | |
4292 | { .init_isa = pcspk_audio_init } | |
4293 | }, | |
4294 | #endif | |
4c9b53e3 | 4295 | |
4296 | #ifdef CONFIG_SB16 | |
6a36d84e FB |
4297 | { |
4298 | "sb16", | |
4299 | "Creative Sound Blaster 16", | |
4300 | 0, | |
4301 | 1, | |
4302 | { .init_isa = SB16_init } | |
4303 | }, | |
4c9b53e3 | 4304 | #endif |
6a36d84e | 4305 | |
cc53d26d | 4306 | #ifdef CONFIG_CS4231A |
4307 | { | |
4308 | "cs4231a", | |
4309 | "CS4231A", | |
4310 | 0, | |
4311 | 1, | |
4312 | { .init_isa = cs4231a_init } | |
4313 | }, | |
4314 | #endif | |
4315 | ||
1d14ffa9 | 4316 | #ifdef CONFIG_ADLIB |
6a36d84e FB |
4317 | { |
4318 | "adlib", | |
1d14ffa9 | 4319 | #ifdef HAS_YMF262 |
6a36d84e | 4320 | "Yamaha YMF262 (OPL3)", |
1d14ffa9 | 4321 | #else |
6a36d84e | 4322 | "Yamaha YM3812 (OPL2)", |
1d14ffa9 | 4323 | #endif |
6a36d84e FB |
4324 | 0, |
4325 | 1, | |
4326 | { .init_isa = Adlib_init } | |
4327 | }, | |
1d14ffa9 | 4328 | #endif |
6a36d84e | 4329 | |
1d14ffa9 | 4330 | #ifdef CONFIG_GUS |
6a36d84e FB |
4331 | { |
4332 | "gus", | |
4333 | "Gravis Ultrasound GF1", | |
4334 | 0, | |
4335 | 1, | |
4336 | { .init_isa = GUS_init } | |
4337 | }, | |
1d14ffa9 | 4338 | #endif |
6a36d84e | 4339 | |
4c9b53e3 | 4340 | #ifdef CONFIG_AC97 |
e5c9a13e AZ |
4341 | { |
4342 | "ac97", | |
4343 | "Intel 82801AA AC97 Audio", | |
4344 | 0, | |
4345 | 0, | |
4346 | { .init_pci = ac97_init } | |
4347 | }, | |
4c9b53e3 | 4348 | #endif |
e5c9a13e | 4349 | |
4c9b53e3 | 4350 | #ifdef CONFIG_ES1370 |
6a36d84e FB |
4351 | { |
4352 | "es1370", | |
4353 | "ENSONIQ AudioPCI ES1370", | |
4354 | 0, | |
4355 | 0, | |
4356 | { .init_pci = es1370_init } | |
4357 | }, | |
b00052e4 | 4358 | #endif |
6a36d84e | 4359 | |
4c9b53e3 | 4360 | #endif /* HAS_AUDIO_CHOICE */ |
4361 | ||
6a36d84e FB |
4362 | { NULL, NULL, 0, 0, { NULL } } |
4363 | }; | |
4364 | ||
4365 | static void select_soundhw (const char *optarg) | |
4366 | { | |
4367 | struct soundhw *c; | |
4368 | ||
4369 | if (*optarg == '?') { | |
4370 | show_valid_cards: | |
4371 | ||
4372 | printf ("Valid sound card names (comma separated):\n"); | |
4373 | for (c = soundhw; c->name; ++c) { | |
4374 | printf ("%-11s %s\n", c->name, c->descr); | |
4375 | } | |
4376 | printf ("\n-soundhw all will enable all of the above\n"); | |
1d14ffa9 FB |
4377 | exit (*optarg != '?'); |
4378 | } | |
4379 | else { | |
6a36d84e | 4380 | size_t l; |
1d14ffa9 FB |
4381 | const char *p; |
4382 | char *e; | |
4383 | int bad_card = 0; | |
4384 | ||
6a36d84e FB |
4385 | if (!strcmp (optarg, "all")) { |
4386 | for (c = soundhw; c->name; ++c) { | |
4387 | c->enabled = 1; | |
4388 | } | |
4389 | return; | |
4390 | } | |
1d14ffa9 | 4391 | |
6a36d84e | 4392 | p = optarg; |
1d14ffa9 FB |
4393 | while (*p) { |
4394 | e = strchr (p, ','); | |
4395 | l = !e ? strlen (p) : (size_t) (e - p); | |
6a36d84e FB |
4396 | |
4397 | for (c = soundhw; c->name; ++c) { | |
b3d6fb4a | 4398 | if (!strncmp (c->name, p, l) && !c->name[l]) { |
6a36d84e | 4399 | c->enabled = 1; |
1d14ffa9 FB |
4400 | break; |
4401 | } | |
4402 | } | |
6a36d84e FB |
4403 | |
4404 | if (!c->name) { | |
1d14ffa9 FB |
4405 | if (l > 80) { |
4406 | fprintf (stderr, | |
4407 | "Unknown sound card name (too big to show)\n"); | |
4408 | } | |
4409 | else { | |
4410 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
4411 | (int) l, p); | |
4412 | } | |
4413 | bad_card = 1; | |
4414 | } | |
4415 | p += l + (e != NULL); | |
4416 | } | |
4417 | ||
4418 | if (bad_card) | |
4419 | goto show_valid_cards; | |
4420 | } | |
4421 | } | |
4422 | #endif | |
4423 | ||
3893c124 | 4424 | static void select_vgahw (const char *p) |
4425 | { | |
4426 | const char *opts; | |
4427 | ||
64465297 | 4428 | default_vga = 0; |
86176759 | 4429 | vga_interface_type = VGA_NONE; |
3893c124 | 4430 | if (strstart(p, "std", &opts)) { |
86176759 | 4431 | vga_interface_type = VGA_STD; |
3893c124 | 4432 | } else if (strstart(p, "cirrus", &opts)) { |
86176759 | 4433 | vga_interface_type = VGA_CIRRUS; |
3893c124 | 4434 | } else if (strstart(p, "vmware", &opts)) { |
86176759 | 4435 | vga_interface_type = VGA_VMWARE; |
94909d9f | 4436 | } else if (strstart(p, "xenfb", &opts)) { |
86176759 | 4437 | vga_interface_type = VGA_XENFB; |
28b85ed8 | 4438 | } else if (!strstart(p, "none", &opts)) { |
3893c124 | 4439 | invalid_vga: |
4440 | fprintf(stderr, "Unknown vga type: %s\n", p); | |
4441 | exit(1); | |
4442 | } | |
cb5a7aa8 | 4443 | while (*opts) { |
4444 | const char *nextopt; | |
4445 | ||
4446 | if (strstart(opts, ",retrace=", &nextopt)) { | |
4447 | opts = nextopt; | |
4448 | if (strstart(opts, "dumb", &nextopt)) | |
4449 | vga_retrace_method = VGA_RETRACE_DUMB; | |
4450 | else if (strstart(opts, "precise", &nextopt)) | |
4451 | vga_retrace_method = VGA_RETRACE_PRECISE; | |
4452 | else goto invalid_vga; | |
4453 | } else goto invalid_vga; | |
4454 | opts = nextopt; | |
4455 | } | |
3893c124 | 4456 | } |
4457 | ||
7d4c3d53 MA |
4458 | #ifdef TARGET_I386 |
4459 | static int balloon_parse(const char *arg) | |
4460 | { | |
382f0743 | 4461 | QemuOpts *opts; |
7d4c3d53 | 4462 | |
382f0743 GH |
4463 | if (strcmp(arg, "none") == 0) { |
4464 | return 0; | |
4465 | } | |
4466 | ||
4467 | if (!strncmp(arg, "virtio", 6)) { | |
4468 | if (arg[6] == ',') { | |
4469 | /* have params -> parse them */ | |
4470 | opts = qemu_opts_parse(&qemu_device_opts, arg+7, NULL); | |
4471 | if (!opts) | |
4472 | return -1; | |
4473 | } else { | |
4474 | /* create empty opts */ | |
4475 | opts = qemu_opts_create(&qemu_device_opts, NULL, 0); | |
7d4c3d53 | 4476 | } |
382f0743 GH |
4477 | qemu_opt_set(opts, "driver", "virtio-balloon-pci"); |
4478 | return 0; | |
7d4c3d53 | 4479 | } |
382f0743 GH |
4480 | |
4481 | return -1; | |
7d4c3d53 MA |
4482 | } |
4483 | #endif | |
4484 | ||
3587d7e6 FB |
4485 | #ifdef _WIN32 |
4486 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
4487 | { | |
4488 | exit(STATUS_CONTROL_C_EXIT); | |
4489 | return TRUE; | |
4490 | } | |
4491 | #endif | |
4492 | ||
c4be29ff | 4493 | int qemu_uuid_parse(const char *str, uint8_t *uuid) |
8fcb1b90 BS |
4494 | { |
4495 | int ret; | |
4496 | ||
4497 | if(strlen(str) != 36) | |
4498 | return -1; | |
4499 | ||
4500 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
4501 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
4502 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); | |
4503 | ||
4504 | if(ret != 16) | |
4505 | return -1; | |
4506 | ||
b6f6e3d3 AL |
4507 | #ifdef TARGET_I386 |
4508 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); | |
4509 | #endif | |
4510 | ||
8fcb1b90 BS |
4511 | return 0; |
4512 | } | |
4513 | ||
5b08fc10 AL |
4514 | #ifndef _WIN32 |
4515 | ||
4516 | static void termsig_handler(int signal) | |
4517 | { | |
4518 | qemu_system_shutdown_request(); | |
4519 | } | |
4520 | ||
7c3370d4 JK |
4521 | static void sigchld_handler(int signal) |
4522 | { | |
4523 | waitpid(-1, NULL, WNOHANG); | |
4524 | } | |
4525 | ||
4526 | static void sighandler_setup(void) | |
5b08fc10 AL |
4527 | { |
4528 | struct sigaction act; | |
4529 | ||
4530 | memset(&act, 0, sizeof(act)); | |
4531 | act.sa_handler = termsig_handler; | |
4532 | sigaction(SIGINT, &act, NULL); | |
4533 | sigaction(SIGHUP, &act, NULL); | |
4534 | sigaction(SIGTERM, &act, NULL); | |
7c3370d4 JK |
4535 | |
4536 | act.sa_handler = sigchld_handler; | |
4537 | act.sa_flags = SA_NOCLDSTOP; | |
4538 | sigaction(SIGCHLD, &act, NULL); | |
5b08fc10 AL |
4539 | } |
4540 | ||
4541 | #endif | |
4542 | ||
5cea8590 PB |
4543 | #ifdef _WIN32 |
4544 | /* Look for support files in the same directory as the executable. */ | |
4545 | static char *find_datadir(const char *argv0) | |
4546 | { | |
4547 | char *p; | |
4548 | char buf[MAX_PATH]; | |
4549 | DWORD len; | |
4550 | ||
4551 | len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); | |
4552 | if (len == 0) { | |
c5947808 | 4553 | return NULL; |
5cea8590 PB |
4554 | } |
4555 | ||
4556 | buf[len] = 0; | |
4557 | p = buf + len - 1; | |
4558 | while (p != buf && *p != '\\') | |
4559 | p--; | |
4560 | *p = 0; | |
4561 | if (access(buf, R_OK) == 0) { | |
4562 | return qemu_strdup(buf); | |
4563 | } | |
4564 | return NULL; | |
4565 | } | |
4566 | #else /* !_WIN32 */ | |
4567 | ||
4568 | /* Find a likely location for support files using the location of the binary. | |
4569 | For installed binaries this will be "$bindir/../share/qemu". When | |
4570 | running from the build tree this will be "$bindir/../pc-bios". */ | |
4571 | #define SHARE_SUFFIX "/share/qemu" | |
4572 | #define BUILD_SUFFIX "/pc-bios" | |
4573 | static char *find_datadir(const char *argv0) | |
4574 | { | |
4575 | char *dir; | |
4576 | char *p = NULL; | |
4577 | char *res; | |
5cea8590 | 4578 | char buf[PATH_MAX]; |
3a41759d | 4579 | size_t max_len; |
5cea8590 PB |
4580 | |
4581 | #if defined(__linux__) | |
4582 | { | |
4583 | int len; | |
4584 | len = readlink("/proc/self/exe", buf, sizeof(buf) - 1); | |
4585 | if (len > 0) { | |
4586 | buf[len] = 0; | |
4587 | p = buf; | |
4588 | } | |
4589 | } | |
4590 | #elif defined(__FreeBSD__) | |
4591 | { | |
4592 | int len; | |
4593 | len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1); | |
4594 | if (len > 0) { | |
4595 | buf[len] = 0; | |
4596 | p = buf; | |
4597 | } | |
4598 | } | |
4599 | #endif | |
4600 | /* If we don't have any way of figuring out the actual executable | |
4601 | location then try argv[0]. */ | |
4602 | if (!p) { | |
4d224196 | 4603 | p = realpath(argv0, buf); |
5cea8590 PB |
4604 | if (!p) { |
4605 | return NULL; | |
4606 | } | |
4607 | } | |
4608 | dir = dirname(p); | |
4609 | dir = dirname(dir); | |
4610 | ||
3a41759d BS |
4611 | max_len = strlen(dir) + |
4612 | MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1; | |
4613 | res = qemu_mallocz(max_len); | |
4614 | snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX); | |
5cea8590 | 4615 | if (access(res, R_OK)) { |
3a41759d | 4616 | snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX); |
5cea8590 PB |
4617 | if (access(res, R_OK)) { |
4618 | qemu_free(res); | |
4619 | res = NULL; | |
4620 | } | |
4621 | } | |
4d224196 | 4622 | |
5cea8590 PB |
4623 | return res; |
4624 | } | |
4625 | #undef SHARE_SUFFIX | |
4626 | #undef BUILD_SUFFIX | |
4627 | #endif | |
4628 | ||
4629 | char *qemu_find_file(int type, const char *name) | |
4630 | { | |
4631 | int len; | |
4632 | const char *subdir; | |
4633 | char *buf; | |
4634 | ||
4635 | /* If name contains path separators then try it as a straight path. */ | |
4636 | if ((strchr(name, '/') || strchr(name, '\\')) | |
4637 | && access(name, R_OK) == 0) { | |
73ffc805 | 4638 | return qemu_strdup(name); |
5cea8590 PB |
4639 | } |
4640 | switch (type) { | |
4641 | case QEMU_FILE_TYPE_BIOS: | |
4642 | subdir = ""; | |
4643 | break; | |
4644 | case QEMU_FILE_TYPE_KEYMAP: | |
4645 | subdir = "keymaps/"; | |
4646 | break; | |
4647 | default: | |
4648 | abort(); | |
4649 | } | |
4650 | len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2; | |
4651 | buf = qemu_mallocz(len); | |
3a41759d | 4652 | snprintf(buf, len, "%s/%s%s", data_dir, subdir, name); |
5cea8590 PB |
4653 | if (access(buf, R_OK)) { |
4654 | qemu_free(buf); | |
4655 | return NULL; | |
4656 | } | |
4657 | return buf; | |
4658 | } | |
4659 | ||
f31d07d1 GH |
4660 | static int device_init_func(QemuOpts *opts, void *opaque) |
4661 | { | |
4662 | DeviceState *dev; | |
4663 | ||
4664 | dev = qdev_device_add(opts); | |
4665 | if (!dev) | |
4666 | return -1; | |
4667 | return 0; | |
4668 | } | |
4669 | ||
1a688d3b GH |
4670 | static int chardev_init_func(QemuOpts *opts, void *opaque) |
4671 | { | |
4672 | CharDriverState *chr; | |
4673 | ||
4674 | chr = qemu_chr_open_opts(opts, NULL); | |
4675 | if (!chr) | |
4676 | return -1; | |
4677 | return 0; | |
4678 | } | |
4679 | ||
88589343 GH |
4680 | static int mon_init_func(QemuOpts *opts, void *opaque) |
4681 | { | |
4682 | CharDriverState *chr; | |
4683 | const char *chardev; | |
4684 | const char *mode; | |
4685 | int flags; | |
4686 | ||
4687 | mode = qemu_opt_get(opts, "mode"); | |
4688 | if (mode == NULL) { | |
4689 | mode = "readline"; | |
4690 | } | |
4691 | if (strcmp(mode, "readline") == 0) { | |
4692 | flags = MONITOR_USE_READLINE; | |
4693 | } else if (strcmp(mode, "control") == 0) { | |
4694 | flags = MONITOR_USE_CONTROL; | |
4695 | } else { | |
4696 | fprintf(stderr, "unknown monitor mode \"%s\"\n", mode); | |
4697 | exit(1); | |
4698 | } | |
4699 | ||
4700 | if (qemu_opt_get_bool(opts, "default", 0)) | |
4701 | flags |= MONITOR_IS_DEFAULT; | |
4702 | ||
4703 | chardev = qemu_opt_get(opts, "chardev"); | |
4704 | chr = qemu_chr_find(chardev); | |
4705 | if (chr == NULL) { | |
4706 | fprintf(stderr, "chardev \"%s\" not found\n", chardev); | |
4707 | exit(1); | |
4708 | } | |
4709 | ||
4710 | monitor_init(chr, flags); | |
4711 | return 0; | |
4712 | } | |
4713 | ||
6ca5582d | 4714 | static void monitor_parse(const char *optarg, const char *mode) |
88589343 GH |
4715 | { |
4716 | static int monitor_device_index = 0; | |
4717 | QemuOpts *opts; | |
4718 | const char *p; | |
4719 | char label[32]; | |
4720 | int def = 0; | |
4721 | ||
4722 | if (strstart(optarg, "chardev:", &p)) { | |
4723 | snprintf(label, sizeof(label), "%s", p); | |
4724 | } else { | |
4725 | if (monitor_device_index) { | |
4726 | snprintf(label, sizeof(label), "monitor%d", | |
4727 | monitor_device_index); | |
4728 | } else { | |
4729 | snprintf(label, sizeof(label), "monitor"); | |
4730 | def = 1; | |
4731 | } | |
4732 | opts = qemu_chr_parse_compat(label, optarg); | |
4733 | if (!opts) { | |
4734 | fprintf(stderr, "parse error: %s\n", optarg); | |
4735 | exit(1); | |
4736 | } | |
4737 | } | |
4738 | ||
4739 | opts = qemu_opts_create(&qemu_mon_opts, label, 1); | |
4740 | if (!opts) { | |
4741 | fprintf(stderr, "duplicate chardev: %s\n", label); | |
4742 | exit(1); | |
4743 | } | |
6ca5582d | 4744 | qemu_opt_set(opts, "mode", mode); |
88589343 GH |
4745 | qemu_opt_set(opts, "chardev", label); |
4746 | if (def) | |
4747 | qemu_opt_set(opts, "default", "on"); | |
4748 | monitor_device_index++; | |
4749 | } | |
4750 | ||
bd3c948d GH |
4751 | struct device_config { |
4752 | enum { | |
aee1b935 GH |
4753 | DEV_USB, /* -usbdevice */ |
4754 | DEV_BT, /* -bt */ | |
4755 | DEV_SERIAL, /* -serial */ | |
4756 | DEV_PARALLEL, /* -parallel */ | |
4757 | DEV_VIRTCON, /* -virtioconsole */ | |
bd3c948d GH |
4758 | } type; |
4759 | const char *cmdline; | |
72cf2d4f | 4760 | QTAILQ_ENTRY(device_config) next; |
bd3c948d | 4761 | }; |
72cf2d4f | 4762 | QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs); |
bd3c948d GH |
4763 | |
4764 | static void add_device_config(int type, const char *cmdline) | |
4765 | { | |
4766 | struct device_config *conf; | |
4767 | ||
4768 | conf = qemu_mallocz(sizeof(*conf)); | |
4769 | conf->type = type; | |
4770 | conf->cmdline = cmdline; | |
72cf2d4f | 4771 | QTAILQ_INSERT_TAIL(&device_configs, conf, next); |
bd3c948d GH |
4772 | } |
4773 | ||
4774 | static int foreach_device_config(int type, int (*func)(const char *cmdline)) | |
4775 | { | |
4776 | struct device_config *conf; | |
4777 | int rc; | |
4778 | ||
72cf2d4f | 4779 | QTAILQ_FOREACH(conf, &device_configs, next) { |
bd3c948d GH |
4780 | if (conf->type != type) |
4781 | continue; | |
4782 | rc = func(conf->cmdline); | |
4783 | if (0 != rc) | |
4784 | return rc; | |
4785 | } | |
4786 | return 0; | |
4787 | } | |
4788 | ||
998bbd74 GH |
4789 | static int serial_parse(const char *devname) |
4790 | { | |
4791 | static int index = 0; | |
4792 | char label[32]; | |
4793 | ||
4794 | if (strcmp(devname, "none") == 0) | |
4795 | return 0; | |
4796 | if (index == MAX_SERIAL_PORTS) { | |
4797 | fprintf(stderr, "qemu: too many serial ports\n"); | |
4798 | exit(1); | |
4799 | } | |
4800 | snprintf(label, sizeof(label), "serial%d", index); | |
4801 | serial_hds[index] = qemu_chr_open(label, devname, NULL); | |
4802 | if (!serial_hds[index]) { | |
4803 | fprintf(stderr, "qemu: could not open serial device '%s': %s\n", | |
4804 | devname, strerror(errno)); | |
4805 | return -1; | |
4806 | } | |
4807 | index++; | |
4808 | return 0; | |
4809 | } | |
4810 | ||
6a5e8b0e GH |
4811 | static int parallel_parse(const char *devname) |
4812 | { | |
4813 | static int index = 0; | |
4814 | char label[32]; | |
4815 | ||
4816 | if (strcmp(devname, "none") == 0) | |
4817 | return 0; | |
4818 | if (index == MAX_PARALLEL_PORTS) { | |
4819 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
4820 | exit(1); | |
4821 | } | |
4822 | snprintf(label, sizeof(label), "parallel%d", index); | |
4823 | parallel_hds[index] = qemu_chr_open(label, devname, NULL); | |
4824 | if (!parallel_hds[index]) { | |
4825 | fprintf(stderr, "qemu: could not open parallel device '%s': %s\n", | |
4826 | devname, strerror(errno)); | |
4827 | return -1; | |
4828 | } | |
4829 | index++; | |
4830 | return 0; | |
4831 | } | |
4832 | ||
aee1b935 GH |
4833 | static int virtcon_parse(const char *devname) |
4834 | { | |
4835 | static int index = 0; | |
4836 | char label[32]; | |
4837 | ||
4838 | if (strcmp(devname, "none") == 0) | |
4839 | return 0; | |
4840 | if (index == MAX_VIRTIO_CONSOLES) { | |
4841 | fprintf(stderr, "qemu: too many virtio consoles\n"); | |
4842 | exit(1); | |
4843 | } | |
4844 | snprintf(label, sizeof(label), "virtcon%d", index); | |
4845 | virtcon_hds[index] = qemu_chr_open(label, devname, NULL); | |
4846 | if (!virtcon_hds[index]) { | |
4847 | fprintf(stderr, "qemu: could not open virtio console '%s': %s\n", | |
4848 | devname, strerror(errno)); | |
4849 | return -1; | |
4850 | } | |
4851 | index++; | |
4852 | return 0; | |
4853 | } | |
4854 | ||
902b3d5c | 4855 | int main(int argc, char **argv, char **envp) |
0824d6fc | 4856 | { |
59030a8c | 4857 | const char *gdbstub_dev = NULL; |
28c5af54 | 4858 | uint32_t boot_devices_bitmap = 0; |
e4bcb14c | 4859 | int i; |
28c5af54 | 4860 | int snapshot, linux_boot, net_boot; |
7f7f9873 | 4861 | const char *initrd_filename; |
a20dd508 | 4862 | const char *kernel_filename, *kernel_cmdline; |
195325a4 | 4863 | char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */ |
3023f332 | 4864 | DisplayState *ds; |
7d957bd8 | 4865 | DisplayChangeListener *dcl; |
46d4767d | 4866 | int cyls, heads, secs, translation; |
f31d07d1 | 4867 | QemuOpts *hda_opts = NULL, *opts; |
cd6f1169 FB |
4868 | int optind; |
4869 | const char *r, *optarg; | |
d63d307f | 4870 | const char *loadvm = NULL; |
cc1daa40 | 4871 | QEMUMachine *machine; |
94fc95cd | 4872 | const char *cpu_model; |
b9e82a59 | 4873 | #ifndef _WIN32 |
71e3ceb8 | 4874 | int fds[2]; |
b9e82a59 | 4875 | #endif |
26a5f13b | 4876 | int tb_size; |
93815bc2 | 4877 | const char *pid_file = NULL; |
5bb7910a | 4878 | const char *incoming = NULL; |
b9e82a59 | 4879 | #ifndef _WIN32 |
54042bcf AL |
4880 | int fd = 0; |
4881 | struct passwd *pwd = NULL; | |
0858532e AL |
4882 | const char *chroot_dir = NULL; |
4883 | const char *run_as = NULL; | |
b9e82a59 | 4884 | #endif |
268a362c | 4885 | CPUState *env; |
993fbfdb | 4886 | int show_vnc_port = 0; |
0bd48850 | 4887 | |
6875204c JK |
4888 | init_clocks(); |
4889 | ||
ac7531ec | 4890 | qemu_errors_to_file(stderr); |
902b3d5c | 4891 | qemu_cache_utils_init(envp); |
4892 | ||
72cf2d4f | 4893 | QLIST_INIT (&vm_change_state_head); |
be995c27 FB |
4894 | #ifndef _WIN32 |
4895 | { | |
4896 | struct sigaction act; | |
4897 | sigfillset(&act.sa_mask); | |
4898 | act.sa_flags = 0; | |
4899 | act.sa_handler = SIG_IGN; | |
4900 | sigaction(SIGPIPE, &act, NULL); | |
4901 | } | |
3587d7e6 FB |
4902 | #else |
4903 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
a8e5ac33 FB |
4904 | /* Note: cpu_interrupt() is currently not SMP safe, so we force |
4905 | QEMU to run on a single CPU */ | |
4906 | { | |
4907 | HANDLE h; | |
4908 | DWORD mask, smask; | |
4909 | int i; | |
4910 | h = GetCurrentProcess(); | |
4911 | if (GetProcessAffinityMask(h, &mask, &smask)) { | |
4912 | for(i = 0; i < 32; i++) { | |
4913 | if (mask & (1 << i)) | |
4914 | break; | |
4915 | } | |
4916 | if (i != 32) { | |
4917 | mask = 1 << i; | |
4918 | SetProcessAffinityMask(h, mask); | |
4919 | } | |
4920 | } | |
4921 | } | |
67b915a5 | 4922 | #endif |
be995c27 | 4923 | |
f80f9ec9 | 4924 | module_call_init(MODULE_INIT_MACHINE); |
0c257437 | 4925 | machine = find_default_machine(); |
94fc95cd | 4926 | cpu_model = NULL; |
fc01f7e7 | 4927 | initrd_filename = NULL; |
4fc5d071 | 4928 | ram_size = 0; |
33e3963e | 4929 | snapshot = 0; |
a20dd508 FB |
4930 | kernel_filename = NULL; |
4931 | kernel_cmdline = ""; | |
c4b1fcc0 | 4932 | cyls = heads = secs = 0; |
46d4767d | 4933 | translation = BIOS_ATA_TRANSLATION_AUTO; |
c4b1fcc0 | 4934 | |
268a362c AL |
4935 | for (i = 0; i < MAX_NODES; i++) { |
4936 | node_mem[i] = 0; | |
4937 | node_cpumask[i] = 0; | |
4938 | } | |
4939 | ||
268a362c | 4940 | nb_numa_nodes = 0; |
7c9d8e07 | 4941 | nb_nics = 0; |
3b46e624 | 4942 | |
26a5f13b | 4943 | tb_size = 0; |
41bd639b BS |
4944 | autostart= 1; |
4945 | ||
cd6f1169 | 4946 | optind = 1; |
0824d6fc | 4947 | for(;;) { |
cd6f1169 | 4948 | if (optind >= argc) |
0824d6fc | 4949 | break; |
cd6f1169 FB |
4950 | r = argv[optind]; |
4951 | if (r[0] != '-') { | |
9dfd7c7a | 4952 | hda_opts = drive_add(argv[optind++], HD_ALIAS, 0); |
cd6f1169 FB |
4953 | } else { |
4954 | const QEMUOption *popt; | |
4955 | ||
4956 | optind++; | |
dff5efc8 PB |
4957 | /* Treat --foo the same as -foo. */ |
4958 | if (r[1] == '-') | |
4959 | r++; | |
cd6f1169 FB |
4960 | popt = qemu_options; |
4961 | for(;;) { | |
4962 | if (!popt->name) { | |
5fafdf24 | 4963 | fprintf(stderr, "%s: invalid option -- '%s'\n", |
cd6f1169 FB |
4964 | argv[0], r); |
4965 | exit(1); | |
4966 | } | |
4967 | if (!strcmp(popt->name, r + 1)) | |
4968 | break; | |
4969 | popt++; | |
4970 | } | |
4971 | if (popt->flags & HAS_ARG) { | |
4972 | if (optind >= argc) { | |
4973 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
4974 | argv[0], r); | |
4975 | exit(1); | |
4976 | } | |
4977 | optarg = argv[optind++]; | |
4978 | } else { | |
4979 | optarg = NULL; | |
4980 | } | |
4981 | ||
4982 | switch(popt->index) { | |
cc1daa40 FB |
4983 | case QEMU_OPTION_M: |
4984 | machine = find_machine(optarg); | |
4985 | if (!machine) { | |
4986 | QEMUMachine *m; | |
4987 | printf("Supported machines are:\n"); | |
4988 | for(m = first_machine; m != NULL; m = m->next) { | |
3f6599e6 MM |
4989 | if (m->alias) |
4990 | printf("%-10s %s (alias of %s)\n", | |
4991 | m->alias, m->desc, m->name); | |
cc1daa40 | 4992 | printf("%-10s %s%s\n", |
5fafdf24 | 4993 | m->name, m->desc, |
0c257437 | 4994 | m->is_default ? " (default)" : ""); |
cc1daa40 | 4995 | } |
15f82208 | 4996 | exit(*optarg != '?'); |
cc1daa40 FB |
4997 | } |
4998 | break; | |
94fc95cd JM |
4999 | case QEMU_OPTION_cpu: |
5000 | /* hw initialization will check this */ | |
15f82208 | 5001 | if (*optarg == '?') { |
c732abe2 JM |
5002 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
5003 | #if defined(cpu_list) | |
5004 | cpu_list(stdout, &fprintf); | |
94fc95cd | 5005 | #endif |
15f82208 | 5006 | exit(0); |
94fc95cd JM |
5007 | } else { |
5008 | cpu_model = optarg; | |
5009 | } | |
5010 | break; | |
cd6f1169 | 5011 | case QEMU_OPTION_initrd: |
fc01f7e7 FB |
5012 | initrd_filename = optarg; |
5013 | break; | |
cd6f1169 | 5014 | case QEMU_OPTION_hda: |
e4bcb14c | 5015 | if (cyls == 0) |
9dfd7c7a | 5016 | hda_opts = drive_add(optarg, HD_ALIAS, 0); |
e4bcb14c | 5017 | else |
9dfd7c7a | 5018 | hda_opts = drive_add(optarg, HD_ALIAS |
e4bcb14c | 5019 | ",cyls=%d,heads=%d,secs=%d%s", |
609497ab | 5020 | 0, cyls, heads, secs, |
e4bcb14c TS |
5021 | translation == BIOS_ATA_TRANSLATION_LBA ? |
5022 | ",trans=lba" : | |
5023 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
5024 | ",trans=none" : ""); | |
5025 | break; | |
cd6f1169 | 5026 | case QEMU_OPTION_hdb: |
cc1daa40 FB |
5027 | case QEMU_OPTION_hdc: |
5028 | case QEMU_OPTION_hdd: | |
609497ab | 5029 | drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
fc01f7e7 | 5030 | break; |
e4bcb14c | 5031 | case QEMU_OPTION_drive: |
609497ab | 5032 | drive_add(NULL, "%s", optarg); |
e4bcb14c | 5033 | break; |
d058fe03 GH |
5034 | case QEMU_OPTION_set: |
5035 | if (qemu_set_option(optarg) != 0) | |
5036 | exit(1); | |
5037 | break; | |
d0fef6fb GH |
5038 | case QEMU_OPTION_global: |
5039 | if (qemu_global_option(optarg) != 0) | |
5040 | exit(1); | |
5041 | break; | |
3e3d5815 | 5042 | case QEMU_OPTION_mtdblock: |
609497ab | 5043 | drive_add(optarg, MTD_ALIAS); |
3e3d5815 | 5044 | break; |
a1bb27b1 | 5045 | case QEMU_OPTION_sd: |
609497ab | 5046 | drive_add(optarg, SD_ALIAS); |
a1bb27b1 | 5047 | break; |
86f55663 | 5048 | case QEMU_OPTION_pflash: |
609497ab | 5049 | drive_add(optarg, PFLASH_ALIAS); |
86f55663 | 5050 | break; |
cd6f1169 | 5051 | case QEMU_OPTION_snapshot: |
33e3963e FB |
5052 | snapshot = 1; |
5053 | break; | |
cd6f1169 | 5054 | case QEMU_OPTION_hdachs: |
330d0414 | 5055 | { |
330d0414 FB |
5056 | const char *p; |
5057 | p = optarg; | |
5058 | cyls = strtol(p, (char **)&p, 0); | |
46d4767d FB |
5059 | if (cyls < 1 || cyls > 16383) |
5060 | goto chs_fail; | |
330d0414 FB |
5061 | if (*p != ',') |
5062 | goto chs_fail; | |
5063 | p++; | |
5064 | heads = strtol(p, (char **)&p, 0); | |
46d4767d FB |
5065 | if (heads < 1 || heads > 16) |
5066 | goto chs_fail; | |
330d0414 FB |
5067 | if (*p != ',') |
5068 | goto chs_fail; | |
5069 | p++; | |
5070 | secs = strtol(p, (char **)&p, 0); | |
46d4767d FB |
5071 | if (secs < 1 || secs > 63) |
5072 | goto chs_fail; | |
5073 | if (*p == ',') { | |
5074 | p++; | |
5075 | if (!strcmp(p, "none")) | |
5076 | translation = BIOS_ATA_TRANSLATION_NONE; | |
5077 | else if (!strcmp(p, "lba")) | |
5078 | translation = BIOS_ATA_TRANSLATION_LBA; | |
5079 | else if (!strcmp(p, "auto")) | |
5080 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
5081 | else | |
5082 | goto chs_fail; | |
5083 | } else if (*p != '\0') { | |
c4b1fcc0 | 5084 | chs_fail: |
46d4767d FB |
5085 | fprintf(stderr, "qemu: invalid physical CHS format\n"); |
5086 | exit(1); | |
c4b1fcc0 | 5087 | } |
9dfd7c7a GH |
5088 | if (hda_opts != NULL) { |
5089 | char num[16]; | |
5090 | snprintf(num, sizeof(num), "%d", cyls); | |
5091 | qemu_opt_set(hda_opts, "cyls", num); | |
5092 | snprintf(num, sizeof(num), "%d", heads); | |
5093 | qemu_opt_set(hda_opts, "heads", num); | |
5094 | snprintf(num, sizeof(num), "%d", secs); | |
5095 | qemu_opt_set(hda_opts, "secs", num); | |
5096 | if (translation == BIOS_ATA_TRANSLATION_LBA) | |
5097 | qemu_opt_set(hda_opts, "trans", "lba"); | |
5098 | if (translation == BIOS_ATA_TRANSLATION_NONE) | |
5099 | qemu_opt_set(hda_opts, "trans", "none"); | |
5100 | } | |
330d0414 FB |
5101 | } |
5102 | break; | |
268a362c AL |
5103 | case QEMU_OPTION_numa: |
5104 | if (nb_numa_nodes >= MAX_NODES) { | |
5105 | fprintf(stderr, "qemu: too many NUMA nodes\n"); | |
5106 | exit(1); | |
5107 | } | |
5108 | numa_add(optarg); | |
5109 | break; | |
cd6f1169 | 5110 | case QEMU_OPTION_nographic: |
993fbfdb | 5111 | display_type = DT_NOGRAPHIC; |
a20dd508 | 5112 | break; |
4d3b6f6e AZ |
5113 | #ifdef CONFIG_CURSES |
5114 | case QEMU_OPTION_curses: | |
993fbfdb | 5115 | display_type = DT_CURSES; |
4d3b6f6e AZ |
5116 | break; |
5117 | #endif | |
a171fe39 AZ |
5118 | case QEMU_OPTION_portrait: |
5119 | graphic_rotate = 1; | |
5120 | break; | |
cd6f1169 | 5121 | case QEMU_OPTION_kernel: |
a20dd508 FB |
5122 | kernel_filename = optarg; |
5123 | break; | |
cd6f1169 | 5124 | case QEMU_OPTION_append: |
a20dd508 | 5125 | kernel_cmdline = optarg; |
313aa567 | 5126 | break; |
cd6f1169 | 5127 | case QEMU_OPTION_cdrom: |
609497ab | 5128 | drive_add(optarg, CDROM_ALIAS); |
36b486bb | 5129 | break; |
cd6f1169 | 5130 | case QEMU_OPTION_boot: |
28c5af54 | 5131 | { |
ef3adf68 | 5132 | static const char * const params[] = { |
95387491 | 5133 | "order", "once", "menu", NULL |
ef3adf68 JK |
5134 | }; |
5135 | char buf[sizeof(boot_devices)]; | |
e0f084bf | 5136 | char *standard_boot_devices; |
ef3adf68 JK |
5137 | int legacy = 0; |
5138 | ||
5139 | if (!strchr(optarg, '=')) { | |
5140 | legacy = 1; | |
5141 | pstrcpy(buf, sizeof(buf), optarg); | |
5142 | } else if (check_params(buf, sizeof(buf), params, optarg) < 0) { | |
5143 | fprintf(stderr, | |
5144 | "qemu: unknown boot parameter '%s' in '%s'\n", | |
5145 | buf, optarg); | |
5146 | exit(1); | |
5147 | } | |
5148 | ||
5149 | if (legacy || | |
5150 | get_param_value(buf, sizeof(buf), "order", optarg)) { | |
5151 | boot_devices_bitmap = parse_bootdevices(buf); | |
5152 | pstrcpy(boot_devices, sizeof(boot_devices), buf); | |
28c5af54 | 5153 | } |
e0f084bf JK |
5154 | if (!legacy) { |
5155 | if (get_param_value(buf, sizeof(buf), | |
5156 | "once", optarg)) { | |
5157 | boot_devices_bitmap |= parse_bootdevices(buf); | |
5158 | standard_boot_devices = qemu_strdup(boot_devices); | |
5159 | pstrcpy(boot_devices, sizeof(boot_devices), buf); | |
5160 | qemu_register_reset(restore_boot_devices, | |
5161 | standard_boot_devices); | |
5162 | } | |
95387491 JK |
5163 | if (get_param_value(buf, sizeof(buf), |
5164 | "menu", optarg)) { | |
5165 | if (!strcmp(buf, "on")) { | |
5166 | boot_menu = 1; | |
5167 | } else if (!strcmp(buf, "off")) { | |
5168 | boot_menu = 0; | |
5169 | } else { | |
5170 | fprintf(stderr, | |
5171 | "qemu: invalid option value '%s'\n", | |
5172 | buf); | |
5173 | exit(1); | |
5174 | } | |
5175 | } | |
e0f084bf | 5176 | } |
36b486bb FB |
5177 | } |
5178 | break; | |
cd6f1169 | 5179 | case QEMU_OPTION_fda: |
cd6f1169 | 5180 | case QEMU_OPTION_fdb: |
609497ab | 5181 | drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
c45886db | 5182 | break; |
52ca8d6a FB |
5183 | #ifdef TARGET_I386 |
5184 | case QEMU_OPTION_no_fd_bootchk: | |
5185 | fd_bootchk = 0; | |
5186 | break; | |
5187 | #endif | |
a1ea458f MM |
5188 | case QEMU_OPTION_netdev: |
5189 | if (net_client_parse(&qemu_netdev_opts, optarg) == -1) { | |
5190 | exit(1); | |
5191 | } | |
5192 | break; | |
7c9d8e07 | 5193 | case QEMU_OPTION_net: |
7f161aae | 5194 | if (net_client_parse(&qemu_net_opts, optarg) == -1) { |
c4b1fcc0 FB |
5195 | exit(1); |
5196 | } | |
702c651c | 5197 | break; |
c7f74643 FB |
5198 | #ifdef CONFIG_SLIRP |
5199 | case QEMU_OPTION_tftp: | |
ad196a9d | 5200 | legacy_tftp_prefix = optarg; |
9bf05444 | 5201 | break; |
47d5d01a | 5202 | case QEMU_OPTION_bootp: |
ad196a9d | 5203 | legacy_bootp_filename = optarg; |
47d5d01a | 5204 | break; |
c94c8d64 | 5205 | #ifndef _WIN32 |
9d728e8c | 5206 | case QEMU_OPTION_smb: |
0752706d MA |
5207 | if (net_slirp_smb(optarg) < 0) |
5208 | exit(1); | |
9d728e8c | 5209 | break; |
c94c8d64 | 5210 | #endif |
9bf05444 | 5211 | case QEMU_OPTION_redir: |
0752706d MA |
5212 | if (net_slirp_redir(optarg) < 0) |
5213 | exit(1); | |
9bf05444 | 5214 | break; |
c7f74643 | 5215 | #endif |
dc72ac14 | 5216 | case QEMU_OPTION_bt: |
bd3c948d | 5217 | add_device_config(DEV_BT, optarg); |
dc72ac14 | 5218 | break; |
1d14ffa9 | 5219 | #ifdef HAS_AUDIO |
1d14ffa9 FB |
5220 | case QEMU_OPTION_audio_help: |
5221 | AUD_help (); | |
5222 | exit (0); | |
5223 | break; | |
5224 | case QEMU_OPTION_soundhw: | |
5225 | select_soundhw (optarg); | |
5226 | break; | |
5227 | #endif | |
cd6f1169 | 5228 | case QEMU_OPTION_h: |
15f82208 | 5229 | help(0); |
cd6f1169 | 5230 | break; |
9bd7e6d9 PB |
5231 | case QEMU_OPTION_version: |
5232 | version(); | |
5233 | exit(0); | |
5234 | break; | |
00f82b8a AJ |
5235 | case QEMU_OPTION_m: { |
5236 | uint64_t value; | |
5237 | char *ptr; | |
5238 | ||
5239 | value = strtoul(optarg, &ptr, 10); | |
5240 | switch (*ptr) { | |
5241 | case 0: case 'M': case 'm': | |
5242 | value <<= 20; | |
5243 | break; | |
5244 | case 'G': case 'g': | |
5245 | value <<= 30; | |
5246 | break; | |
5247 | default: | |
5248 | fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); | |
cd6f1169 FB |
5249 | exit(1); |
5250 | } | |
00f82b8a AJ |
5251 | |
5252 | /* On 32-bit hosts, QEMU is limited by virtual address space */ | |
4a1418e0 | 5253 | if (value > (2047 << 20) && HOST_LONG_BITS == 32) { |
00f82b8a AJ |
5254 | fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); |
5255 | exit(1); | |
5256 | } | |
c227f099 | 5257 | if (value != (uint64_t)(ram_addr_t)value) { |
00f82b8a AJ |
5258 | fprintf(stderr, "qemu: ram size too large\n"); |
5259 | exit(1); | |
5260 | } | |
5261 | ram_size = value; | |
cd6f1169 | 5262 | break; |
00f82b8a | 5263 | } |
cd6f1169 FB |
5264 | case QEMU_OPTION_d: |
5265 | { | |
5266 | int mask; | |
c7cd6a37 | 5267 | const CPULogItem *item; |
3b46e624 | 5268 | |
cd6f1169 FB |
5269 | mask = cpu_str_to_log_mask(optarg); |
5270 | if (!mask) { | |
5271 | printf("Log items (comma separated):\n"); | |
f193c797 FB |
5272 | for(item = cpu_log_items; item->mask != 0; item++) { |
5273 | printf("%-10s %s\n", item->name, item->help); | |
5274 | } | |
5275 | exit(1); | |
cd6f1169 FB |
5276 | } |
5277 | cpu_set_log(mask); | |
f193c797 | 5278 | } |
cd6f1169 | 5279 | break; |
cd6f1169 | 5280 | case QEMU_OPTION_s: |
59030a8c | 5281 | gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT; |
cd6f1169 | 5282 | break; |
59030a8c AL |
5283 | case QEMU_OPTION_gdb: |
5284 | gdbstub_dev = optarg; | |
cd6f1169 | 5285 | break; |
cd6f1169 | 5286 | case QEMU_OPTION_L: |
5cea8590 | 5287 | data_dir = optarg; |
cd6f1169 | 5288 | break; |
1192dad8 JM |
5289 | case QEMU_OPTION_bios: |
5290 | bios_name = optarg; | |
5291 | break; | |
1b530a6d AJ |
5292 | case QEMU_OPTION_singlestep: |
5293 | singlestep = 1; | |
5294 | break; | |
cd6f1169 | 5295 | case QEMU_OPTION_S: |
3c07f8e8 | 5296 | autostart = 0; |
cd6f1169 | 5297 | break; |
3d11d0eb FB |
5298 | case QEMU_OPTION_k: |
5299 | keyboard_layout = optarg; | |
5300 | break; | |
ee22c2f7 FB |
5301 | case QEMU_OPTION_localtime: |
5302 | rtc_utc = 0; | |
5303 | break; | |
3893c124 | 5304 | case QEMU_OPTION_vga: |
5305 | select_vgahw (optarg); | |
1bfe856e | 5306 | break; |
5824d651 | 5307 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) |
e9b137c2 FB |
5308 | case QEMU_OPTION_g: |
5309 | { | |
5310 | const char *p; | |
5311 | int w, h, depth; | |
5312 | p = optarg; | |
5313 | w = strtol(p, (char **)&p, 10); | |
5314 | if (w <= 0) { | |
5315 | graphic_error: | |
5316 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
5317 | exit(1); | |
5318 | } | |
5319 | if (*p != 'x') | |
5320 | goto graphic_error; | |
5321 | p++; | |
5322 | h = strtol(p, (char **)&p, 10); | |
5323 | if (h <= 0) | |
5324 | goto graphic_error; | |
5325 | if (*p == 'x') { | |
5326 | p++; | |
5327 | depth = strtol(p, (char **)&p, 10); | |
5fafdf24 | 5328 | if (depth != 8 && depth != 15 && depth != 16 && |
e9b137c2 FB |
5329 | depth != 24 && depth != 32) |
5330 | goto graphic_error; | |
5331 | } else if (*p == '\0') { | |
5332 | depth = graphic_depth; | |
5333 | } else { | |
5334 | goto graphic_error; | |
5335 | } | |
3b46e624 | 5336 | |
e9b137c2 FB |
5337 | graphic_width = w; |
5338 | graphic_height = h; | |
5339 | graphic_depth = depth; | |
5340 | } | |
5341 | break; | |
5824d651 | 5342 | #endif |
20d8a3ed TS |
5343 | case QEMU_OPTION_echr: |
5344 | { | |
5345 | char *r; | |
5346 | term_escape_char = strtol(optarg, &r, 0); | |
5347 | if (r == optarg) | |
5348 | printf("Bad argument to echr\n"); | |
5349 | break; | |
5350 | } | |
82c643ff | 5351 | case QEMU_OPTION_monitor: |
6ca5582d GH |
5352 | monitor_parse(optarg, "readline"); |
5353 | default_monitor = 0; | |
5354 | break; | |
5355 | case QEMU_OPTION_qmp: | |
5356 | monitor_parse(optarg, "control"); | |
abdeed06 | 5357 | default_monitor = 0; |
82c643ff | 5358 | break; |
22a0e04b GH |
5359 | case QEMU_OPTION_mon: |
5360 | opts = qemu_opts_parse(&qemu_mon_opts, optarg, "chardev"); | |
5361 | if (!opts) { | |
5362 | fprintf(stderr, "parse error: %s\n", optarg); | |
5363 | exit(1); | |
5364 | } | |
5365 | default_monitor = 0; | |
5366 | break; | |
191bc01b GH |
5367 | case QEMU_OPTION_chardev: |
5368 | opts = qemu_opts_parse(&qemu_chardev_opts, optarg, "backend"); | |
5369 | if (!opts) { | |
5370 | fprintf(stderr, "parse error: %s\n", optarg); | |
5371 | exit(1); | |
5372 | } | |
191bc01b | 5373 | break; |
82c643ff | 5374 | case QEMU_OPTION_serial: |
998bbd74 GH |
5375 | add_device_config(DEV_SERIAL, optarg); |
5376 | default_serial = 0; | |
82c643ff | 5377 | break; |
9dd986cc | 5378 | case QEMU_OPTION_watchdog: |
09aaa160 MA |
5379 | if (watchdog) { |
5380 | fprintf(stderr, | |
5381 | "qemu: only one watchdog option may be given\n"); | |
5382 | return 1; | |
5383 | } | |
5384 | watchdog = optarg; | |
9dd986cc RJ |
5385 | break; |
5386 | case QEMU_OPTION_watchdog_action: | |
5387 | if (select_watchdog_action(optarg) == -1) { | |
5388 | fprintf(stderr, "Unknown -watchdog-action parameter\n"); | |
5389 | exit(1); | |
5390 | } | |
5391 | break; | |
51ecf136 | 5392 | case QEMU_OPTION_virtiocon: |
aee1b935 GH |
5393 | add_device_config(DEV_VIRTCON, optarg); |
5394 | default_virtcon = 0; | |
51ecf136 | 5395 | break; |
6508fe59 | 5396 | case QEMU_OPTION_parallel: |
6a5e8b0e GH |
5397 | add_device_config(DEV_PARALLEL, optarg); |
5398 | default_parallel = 0; | |
6508fe59 | 5399 | break; |
d63d307f FB |
5400 | case QEMU_OPTION_loadvm: |
5401 | loadvm = optarg; | |
5402 | break; | |
5403 | case QEMU_OPTION_full_screen: | |
5404 | full_screen = 1; | |
5405 | break; | |
667accab | 5406 | #ifdef CONFIG_SDL |
43523e93 TS |
5407 | case QEMU_OPTION_no_frame: |
5408 | no_frame = 1; | |
5409 | break; | |
3780e197 TS |
5410 | case QEMU_OPTION_alt_grab: |
5411 | alt_grab = 1; | |
5412 | break; | |
0ca9f8a4 DK |
5413 | case QEMU_OPTION_ctrl_grab: |
5414 | ctrl_grab = 1; | |
5415 | break; | |
667accab TS |
5416 | case QEMU_OPTION_no_quit: |
5417 | no_quit = 1; | |
5418 | break; | |
7d957bd8 | 5419 | case QEMU_OPTION_sdl: |
993fbfdb | 5420 | display_type = DT_SDL; |
7d957bd8 | 5421 | break; |
667accab | 5422 | #endif |
f7cce898 | 5423 | case QEMU_OPTION_pidfile: |
93815bc2 | 5424 | pid_file = optarg; |
f7cce898 | 5425 | break; |
a09db21f FB |
5426 | #ifdef TARGET_I386 |
5427 | case QEMU_OPTION_win2k_hack: | |
5428 | win2k_install_hack = 1; | |
5429 | break; | |
73822ec8 AL |
5430 | case QEMU_OPTION_rtc_td_hack: |
5431 | rtc_td_hack = 1; | |
5432 | break; | |
8a92ea2f AL |
5433 | case QEMU_OPTION_acpitable: |
5434 | if(acpi_table_add(optarg) < 0) { | |
5435 | fprintf(stderr, "Wrong acpi table provided\n"); | |
5436 | exit(1); | |
5437 | } | |
5438 | break; | |
b6f6e3d3 AL |
5439 | case QEMU_OPTION_smbios: |
5440 | if(smbios_entry_add(optarg) < 0) { | |
5441 | fprintf(stderr, "Wrong smbios provided\n"); | |
5442 | exit(1); | |
5443 | } | |
5444 | break; | |
a09db21f | 5445 | #endif |
7ba1e619 AL |
5446 | #ifdef CONFIG_KVM |
5447 | case QEMU_OPTION_enable_kvm: | |
5448 | kvm_allowed = 1; | |
7ba1e619 | 5449 | break; |
d993e026 | 5450 | #endif |
bb36d470 FB |
5451 | case QEMU_OPTION_usb: |
5452 | usb_enabled = 1; | |
5453 | break; | |
a594cfbf FB |
5454 | case QEMU_OPTION_usbdevice: |
5455 | usb_enabled = 1; | |
bd3c948d GH |
5456 | add_device_config(DEV_USB, optarg); |
5457 | break; | |
5458 | case QEMU_OPTION_device: | |
b386becf | 5459 | if (!qemu_opts_parse(&qemu_device_opts, optarg, "driver")) { |
f31d07d1 GH |
5460 | exit(1); |
5461 | } | |
a594cfbf | 5462 | break; |
6a00d601 | 5463 | case QEMU_OPTION_smp: |
dc6b1c09 | 5464 | smp_parse(optarg); |
b2097003 | 5465 | if (smp_cpus < 1) { |
6a00d601 FB |
5466 | fprintf(stderr, "Invalid number of CPUs\n"); |
5467 | exit(1); | |
5468 | } | |
6be68d7e JS |
5469 | if (max_cpus < smp_cpus) { |
5470 | fprintf(stderr, "maxcpus must be equal to or greater than " | |
5471 | "smp\n"); | |
5472 | exit(1); | |
5473 | } | |
5474 | if (max_cpus > 255) { | |
5475 | fprintf(stderr, "Unsupported number of maxcpus\n"); | |
5476 | exit(1); | |
5477 | } | |
6a00d601 | 5478 | break; |
24236869 | 5479 | case QEMU_OPTION_vnc: |
993fbfdb | 5480 | display_type = DT_VNC; |
73fc9742 | 5481 | vnc_display = optarg; |
24236869 | 5482 | break; |
5824d651 | 5483 | #ifdef TARGET_I386 |
6515b203 FB |
5484 | case QEMU_OPTION_no_acpi: |
5485 | acpi_enabled = 0; | |
5486 | break; | |
16b29ae1 AL |
5487 | case QEMU_OPTION_no_hpet: |
5488 | no_hpet = 1; | |
5489 | break; | |
7d4c3d53 MA |
5490 | case QEMU_OPTION_balloon: |
5491 | if (balloon_parse(optarg) < 0) { | |
5492 | fprintf(stderr, "Unknown -balloon argument %s\n", optarg); | |
5493 | exit(1); | |
5494 | } | |
df97b920 | 5495 | break; |
5824d651 | 5496 | #endif |
d1beab82 FB |
5497 | case QEMU_OPTION_no_reboot: |
5498 | no_reboot = 1; | |
5499 | break; | |
b2f76161 AJ |
5500 | case QEMU_OPTION_no_shutdown: |
5501 | no_shutdown = 1; | |
5502 | break; | |
9467cd46 AZ |
5503 | case QEMU_OPTION_show_cursor: |
5504 | cursor_hide = 0; | |
5505 | break; | |
8fcb1b90 BS |
5506 | case QEMU_OPTION_uuid: |
5507 | if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { | |
5508 | fprintf(stderr, "Fail to parse UUID string." | |
5509 | " Wrong format.\n"); | |
5510 | exit(1); | |
5511 | } | |
5512 | break; | |
5824d651 | 5513 | #ifndef _WIN32 |
71e3ceb8 TS |
5514 | case QEMU_OPTION_daemonize: |
5515 | daemonize = 1; | |
5516 | break; | |
5824d651 | 5517 | #endif |
9ae02555 TS |
5518 | case QEMU_OPTION_option_rom: |
5519 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
5520 | fprintf(stderr, "Too many option ROMs\n"); | |
5521 | exit(1); | |
5522 | } | |
5523 | option_rom[nb_option_roms] = optarg; | |
5524 | nb_option_roms++; | |
5525 | break; | |
5824d651 | 5526 | #if defined(TARGET_ARM) || defined(TARGET_M68K) |
8e71621f PB |
5527 | case QEMU_OPTION_semihosting: |
5528 | semihosting_enabled = 1; | |
5529 | break; | |
5824d651 | 5530 | #endif |
c35734b2 | 5531 | case QEMU_OPTION_name: |
1889465a AK |
5532 | qemu_name = qemu_strdup(optarg); |
5533 | { | |
5534 | char *p = strchr(qemu_name, ','); | |
5535 | if (p != NULL) { | |
5536 | *p++ = 0; | |
5537 | if (strncmp(p, "process=", 8)) { | |
5538 | fprintf(stderr, "Unknown subargument %s to -name", p); | |
5539 | exit(1); | |
5540 | } | |
5541 | p += 8; | |
5542 | set_proc_name(p); | |
5543 | } | |
5544 | } | |
c35734b2 | 5545 | break; |
95efd11c | 5546 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
66508601 BS |
5547 | case QEMU_OPTION_prom_env: |
5548 | if (nb_prom_envs >= MAX_PROM_ENVS) { | |
5549 | fprintf(stderr, "Too many prom variables\n"); | |
5550 | exit(1); | |
5551 | } | |
5552 | prom_envs[nb_prom_envs] = optarg; | |
5553 | nb_prom_envs++; | |
5554 | break; | |
2b8f2d41 AZ |
5555 | #endif |
5556 | #ifdef TARGET_ARM | |
5557 | case QEMU_OPTION_old_param: | |
5558 | old_param = 1; | |
05ebd537 | 5559 | break; |
66508601 | 5560 | #endif |
f3dcfada TS |
5561 | case QEMU_OPTION_clock: |
5562 | configure_alarms(optarg); | |
5563 | break; | |
7e0af5d0 | 5564 | case QEMU_OPTION_startdate: |
1ed2fc1f JK |
5565 | configure_rtc_date_offset(optarg, 1); |
5566 | break; | |
5567 | case QEMU_OPTION_rtc: | |
5568 | opts = qemu_opts_parse(&qemu_rtc_opts, optarg, NULL); | |
5569 | if (!opts) { | |
5570 | fprintf(stderr, "parse error: %s\n", optarg); | |
5571 | exit(1); | |
7e0af5d0 | 5572 | } |
1ed2fc1f | 5573 | configure_rtc(opts); |
7e0af5d0 | 5574 | break; |
26a5f13b FB |
5575 | case QEMU_OPTION_tb_size: |
5576 | tb_size = strtol(optarg, NULL, 0); | |
5577 | if (tb_size < 0) | |
5578 | tb_size = 0; | |
5579 | break; | |
2e70f6ef PB |
5580 | case QEMU_OPTION_icount: |
5581 | use_icount = 1; | |
5582 | if (strcmp(optarg, "auto") == 0) { | |
5583 | icount_time_shift = -1; | |
5584 | } else { | |
5585 | icount_time_shift = strtol(optarg, NULL, 0); | |
5586 | } | |
5587 | break; | |
5bb7910a AL |
5588 | case QEMU_OPTION_incoming: |
5589 | incoming = optarg; | |
5590 | break; | |
d8c208dd GH |
5591 | case QEMU_OPTION_nodefaults: |
5592 | default_serial = 0; | |
5593 | default_parallel = 0; | |
aee1b935 | 5594 | default_virtcon = 0; |
d8c208dd GH |
5595 | default_monitor = 0; |
5596 | default_vga = 0; | |
cb4522cc | 5597 | default_net = 0; |
ac33f8fa GH |
5598 | default_floppy = 0; |
5599 | default_cdrom = 0; | |
5600 | default_sdcard = 0; | |
d8c208dd | 5601 | break; |
5824d651 | 5602 | #ifndef _WIN32 |
0858532e AL |
5603 | case QEMU_OPTION_chroot: |
5604 | chroot_dir = optarg; | |
5605 | break; | |
5606 | case QEMU_OPTION_runas: | |
5607 | run_as = optarg; | |
5608 | break; | |
e37630ca AL |
5609 | #endif |
5610 | #ifdef CONFIG_XEN | |
5611 | case QEMU_OPTION_xen_domid: | |
5612 | xen_domid = atoi(optarg); | |
5613 | break; | |
5614 | case QEMU_OPTION_xen_create: | |
5615 | xen_mode = XEN_CREATE; | |
5616 | break; | |
5617 | case QEMU_OPTION_xen_attach: | |
5618 | xen_mode = XEN_ATTACH; | |
5619 | break; | |
5824d651 | 5620 | #endif |
715a664a GH |
5621 | case QEMU_OPTION_readconfig: |
5622 | { | |
5623 | FILE *fp; | |
5624 | fp = fopen(optarg, "r"); | |
5625 | if (fp == NULL) { | |
5626 | fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); | |
5627 | exit(1); | |
5628 | } | |
5629 | if (qemu_config_parse(fp) != 0) { | |
5630 | exit(1); | |
5631 | } | |
5632 | fclose(fp); | |
5633 | break; | |
5634 | } | |
5635 | case QEMU_OPTION_writeconfig: | |
5636 | { | |
5637 | FILE *fp; | |
5638 | if (strcmp(optarg, "-") == 0) { | |
5639 | fp = stdout; | |
5640 | } else { | |
5641 | fp = fopen(optarg, "w"); | |
5642 | if (fp == NULL) { | |
5643 | fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); | |
5644 | exit(1); | |
5645 | } | |
5646 | } | |
5647 | qemu_config_write(fp); | |
5648 | fclose(fp); | |
5649 | break; | |
5650 | } | |
cd6f1169 | 5651 | } |
0824d6fc FB |
5652 | } |
5653 | } | |
330d0414 | 5654 | |
5cea8590 PB |
5655 | /* If no data_dir is specified then try to find it relative to the |
5656 | executable path. */ | |
5657 | if (!data_dir) { | |
5658 | data_dir = find_datadir(argv[0]); | |
5659 | } | |
5660 | /* If all else fails use the install patch specified when building. */ | |
5661 | if (!data_dir) { | |
5662 | data_dir = CONFIG_QEMU_SHAREDIR; | |
5663 | } | |
5664 | ||
6be68d7e JS |
5665 | /* |
5666 | * Default to max_cpus = smp_cpus, in case the user doesn't | |
5667 | * specify a max_cpus value. | |
5668 | */ | |
5669 | if (!max_cpus) | |
5670 | max_cpus = smp_cpus; | |
5671 | ||
3d878caa | 5672 | machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ |
b2097003 AL |
5673 | if (smp_cpus > machine->max_cpus) { |
5674 | fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " | |
5675 | "supported by machine `%s' (%d)\n", smp_cpus, machine->name, | |
5676 | machine->max_cpus); | |
5677 | exit(1); | |
5678 | } | |
5679 | ||
998bbd74 | 5680 | qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0); |
d8bcbabf | 5681 | qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0); |
998bbd74 | 5682 | |
986c5f78 GH |
5683 | if (machine->no_serial) { |
5684 | default_serial = 0; | |
5685 | } | |
5686 | if (machine->no_parallel) { | |
5687 | default_parallel = 0; | |
5688 | } | |
5689 | if (!machine->use_virtcon) { | |
5690 | default_virtcon = 0; | |
5691 | } | |
5692 | if (machine->no_vga) { | |
5693 | default_vga = 0; | |
5694 | } | |
ac33f8fa GH |
5695 | if (machine->no_floppy) { |
5696 | default_floppy = 0; | |
5697 | } | |
5698 | if (machine->no_cdrom) { | |
5699 | default_cdrom = 0; | |
5700 | } | |
5701 | if (machine->no_sdcard) { | |
5702 | default_sdcard = 0; | |
5703 | } | |
986c5f78 | 5704 | |
993fbfdb | 5705 | if (display_type == DT_NOGRAPHIC) { |
6a5e8b0e GH |
5706 | if (default_parallel) |
5707 | add_device_config(DEV_PARALLEL, "null"); | |
e1c09175 GH |
5708 | if (default_serial && default_monitor) { |
5709 | add_device_config(DEV_SERIAL, "mon:stdio"); | |
986c5f78 GH |
5710 | } else if (default_virtcon && default_monitor) { |
5711 | add_device_config(DEV_VIRTCON, "mon:stdio"); | |
e1c09175 GH |
5712 | } else { |
5713 | if (default_serial) | |
5714 | add_device_config(DEV_SERIAL, "stdio"); | |
986c5f78 GH |
5715 | if (default_virtcon) |
5716 | add_device_config(DEV_VIRTCON, "stdio"); | |
e1c09175 | 5717 | if (default_monitor) |
6ca5582d | 5718 | monitor_parse("stdio", "readline"); |
e1c09175 | 5719 | } |
998bbd74 GH |
5720 | } else { |
5721 | if (default_serial) | |
5722 | add_device_config(DEV_SERIAL, "vc:80Cx24C"); | |
6a5e8b0e GH |
5723 | if (default_parallel) |
5724 | add_device_config(DEV_PARALLEL, "vc:80Cx24C"); | |
abdeed06 | 5725 | if (default_monitor) |
6ca5582d | 5726 | monitor_parse("vc:80Cx24C", "readline"); |
38536da1 AG |
5727 | if (default_virtcon) |
5728 | add_device_config(DEV_VIRTCON, "vc:80Cx24C"); | |
bc0129d9 | 5729 | } |
64465297 GH |
5730 | if (default_vga) |
5731 | vga_interface_type = VGA_CIRRUS; | |
bc0129d9 | 5732 | |
1a688d3b GH |
5733 | if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0) |
5734 | exit(1); | |
5735 | ||
71e3ceb8 | 5736 | #ifndef _WIN32 |
71e3ceb8 TS |
5737 | if (daemonize) { |
5738 | pid_t pid; | |
5739 | ||
5740 | if (pipe(fds) == -1) | |
5741 | exit(1); | |
5742 | ||
5743 | pid = fork(); | |
5744 | if (pid > 0) { | |
5745 | uint8_t status; | |
5746 | ssize_t len; | |
5747 | ||
5748 | close(fds[1]); | |
5749 | ||
5750 | again: | |
93815bc2 TS |
5751 | len = read(fds[0], &status, 1); |
5752 | if (len == -1 && (errno == EINTR)) | |
5753 | goto again; | |
5754 | ||
5755 | if (len != 1) | |
5756 | exit(1); | |
5757 | else if (status == 1) { | |
850810d0 | 5758 | fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno)); |
93815bc2 TS |
5759 | exit(1); |
5760 | } else | |
5761 | exit(0); | |
71e3ceb8 | 5762 | } else if (pid < 0) |
93815bc2 | 5763 | exit(1); |
71e3ceb8 | 5764 | |
40ff6d7e KW |
5765 | close(fds[0]); |
5766 | qemu_set_cloexec(fds[1]); | |
5767 | ||
71e3ceb8 TS |
5768 | setsid(); |
5769 | ||
5770 | pid = fork(); | |
5771 | if (pid > 0) | |
5772 | exit(0); | |
5773 | else if (pid < 0) | |
5774 | exit(1); | |
5775 | ||
5776 | umask(027); | |
71e3ceb8 TS |
5777 | |
5778 | signal(SIGTSTP, SIG_IGN); | |
5779 | signal(SIGTTOU, SIG_IGN); | |
5780 | signal(SIGTTIN, SIG_IGN); | |
5781 | } | |
71e3ceb8 | 5782 | |
aa26bb2d | 5783 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
93815bc2 TS |
5784 | if (daemonize) { |
5785 | uint8_t status = 1; | |
5786 | write(fds[1], &status, 1); | |
5787 | } else | |
850810d0 | 5788 | fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno)); |
93815bc2 TS |
5789 | exit(1); |
5790 | } | |
b9e82a59 | 5791 | #endif |
93815bc2 | 5792 | |
214910a7 MT |
5793 | if (kvm_enabled()) { |
5794 | int ret; | |
5795 | ||
5796 | ret = kvm_init(smp_cpus); | |
5797 | if (ret < 0) { | |
5798 | fprintf(stderr, "failed to initialize KVM\n"); | |
5799 | exit(1); | |
5800 | } | |
5801 | } | |
5802 | ||
3fcf7b6b AL |
5803 | if (qemu_init_main_loop()) { |
5804 | fprintf(stderr, "qemu_init_main_loop failed\n"); | |
5805 | exit(1); | |
5806 | } | |
a20dd508 | 5807 | linux_boot = (kernel_filename != NULL); |
6c41b272 | 5808 | |
f8d39c01 TS |
5809 | if (!linux_boot && *kernel_cmdline != '\0') { |
5810 | fprintf(stderr, "-append only allowed with -kernel option\n"); | |
5811 | exit(1); | |
5812 | } | |
5813 | ||
5814 | if (!linux_boot && initrd_filename != NULL) { | |
5815 | fprintf(stderr, "-initrd only allowed with -kernel option\n"); | |
5816 | exit(1); | |
5817 | } | |
5818 | ||
bf65f53f FN |
5819 | #ifndef _WIN32 |
5820 | /* Win32 doesn't support line-buffering and requires size >= 2 */ | |
b118d61e | 5821 | setvbuf(stdout, NULL, _IOLBF, 0); |
bf65f53f | 5822 | #endif |
3b46e624 | 5823 | |
7183b4b4 AL |
5824 | if (init_timer_alarm() < 0) { |
5825 | fprintf(stderr, "could not initialize alarm timer\n"); | |
5826 | exit(1); | |
5827 | } | |
2e70f6ef PB |
5828 | if (use_icount && icount_time_shift < 0) { |
5829 | use_icount = 2; | |
5830 | /* 125MIPS seems a reasonable initial guess at the guest speed. | |
5831 | It will be corrected fairly quickly anyway. */ | |
5832 | icount_time_shift = 3; | |
5833 | init_icount_adjust(); | |
5834 | } | |
634fce96 | 5835 | |
fd1dff4b FB |
5836 | #ifdef _WIN32 |
5837 | socket_init(); | |
5838 | #endif | |
5839 | ||
dc1c9fe8 MM |
5840 | if (net_init_clients() < 0) { |
5841 | exit(1); | |
702c651c | 5842 | } |
f1510b2c | 5843 | |
406c8df3 GC |
5844 | net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
5845 | net_set_boot_mask(net_boot); | |
5846 | ||
dc72ac14 | 5847 | /* init the bluetooth world */ |
bd3c948d GH |
5848 | if (foreach_device_config(DEV_BT, bt_parse)) |
5849 | exit(1); | |
dc72ac14 | 5850 | |
0824d6fc | 5851 | /* init the memory */ |
94a6b54f PB |
5852 | if (ram_size == 0) |
5853 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
9ae02555 | 5854 | |
26a5f13b FB |
5855 | /* init the dynamic translator */ |
5856 | cpu_exec_init_all(tb_size * 1024 * 1024); | |
5857 | ||
eb852011 | 5858 | bdrv_init_with_whitelist(); |
c4b1fcc0 | 5859 | |
c163b5ca LS |
5860 | blk_mig_init(); |
5861 | ||
ac33f8fa | 5862 | if (default_cdrom) { |
aa40fc9c GH |
5863 | /* we always create the cdrom drive, even if no disk is there */ |
5864 | drive_add(NULL, CDROM_ALIAS); | |
ac33f8fa | 5865 | } |
c4b1fcc0 | 5866 | |
ac33f8fa | 5867 | if (default_floppy) { |
aa40fc9c GH |
5868 | /* we always create at least one floppy */ |
5869 | drive_add(NULL, FD_ALIAS, 0); | |
ac33f8fa | 5870 | } |
86f55663 | 5871 | |
ac33f8fa | 5872 | if (default_sdcard) { |
aa40fc9c GH |
5873 | /* we always create one sd slot, even if no card is in it */ |
5874 | drive_add(NULL, SD_ALIAS); | |
5875 | } | |
9d413d1d | 5876 | |
e4bcb14c | 5877 | /* open the virtual block devices */ |
9dfd7c7a | 5878 | if (snapshot) |
7282a033 GH |
5879 | qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0); |
5880 | if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0) | |
9dfd7c7a | 5881 | exit(1); |
3e3d5815 | 5882 | |
2faf58cd | 5883 | vmstate_register(0, &vmstate_timers ,&timers_state); |
c163b5ca LS |
5884 | register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL, |
5885 | ram_load, NULL); | |
8a7ddc38 | 5886 | |
268a362c AL |
5887 | if (nb_numa_nodes > 0) { |
5888 | int i; | |
5889 | ||
5890 | if (nb_numa_nodes > smp_cpus) { | |
5891 | nb_numa_nodes = smp_cpus; | |
5892 | } | |
5893 | ||
5894 | /* If no memory size if given for any node, assume the default case | |
5895 | * and distribute the available memory equally across all nodes | |
5896 | */ | |
5897 | for (i = 0; i < nb_numa_nodes; i++) { | |
5898 | if (node_mem[i] != 0) | |
5899 | break; | |
5900 | } | |
5901 | if (i == nb_numa_nodes) { | |
5902 | uint64_t usedmem = 0; | |
5903 | ||
5904 | /* On Linux, the each node's border has to be 8MB aligned, | |
5905 | * the final node gets the rest. | |
5906 | */ | |
5907 | for (i = 0; i < nb_numa_nodes - 1; i++) { | |
5908 | node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); | |
5909 | usedmem += node_mem[i]; | |
5910 | } | |
5911 | node_mem[i] = ram_size - usedmem; | |
5912 | } | |
5913 | ||
5914 | for (i = 0; i < nb_numa_nodes; i++) { | |
5915 | if (node_cpumask[i] != 0) | |
5916 | break; | |
5917 | } | |
5918 | /* assigning the VCPUs round-robin is easier to implement, guest OSes | |
5919 | * must cope with this anyway, because there are BIOSes out there in | |
5920 | * real machines which also use this scheme. | |
5921 | */ | |
5922 | if (i == nb_numa_nodes) { | |
5923 | for (i = 0; i < smp_cpus; i++) { | |
5924 | node_cpumask[i % nb_numa_nodes] |= 1 << i; | |
5925 | } | |
5926 | } | |
5927 | } | |
5928 | ||
998bbd74 GH |
5929 | if (foreach_device_config(DEV_SERIAL, serial_parse) < 0) |
5930 | exit(1); | |
6a5e8b0e GH |
5931 | if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0) |
5932 | exit(1); | |
aee1b935 GH |
5933 | if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0) |
5934 | exit(1); | |
2796dae0 | 5935 | |
aae9460e PB |
5936 | module_call_init(MODULE_INIT_DEVICE); |
5937 | ||
09aaa160 MA |
5938 | if (watchdog) { |
5939 | i = select_watchdog(watchdog); | |
5940 | if (i > 0) | |
5941 | exit (i == 1 ? 1 : 0); | |
5942 | } | |
5943 | ||
b6b61144 | 5944 | if (machine->compat_props) { |
458fb679 | 5945 | qdev_prop_register_global_list(machine->compat_props); |
b6b61144 | 5946 | } |
d0fef6fb GH |
5947 | qemu_add_globals(); |
5948 | ||
fbe1b595 | 5949 | machine->init(ram_size, boot_devices, |
3023f332 AL |
5950 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
5951 | ||
268a362c | 5952 | |
67b3b71d JQ |
5953 | #ifndef _WIN32 |
5954 | /* must be after terminal init, SDL library changes signal handlers */ | |
5955 | sighandler_setup(); | |
5956 | #endif | |
5957 | ||
268a362c AL |
5958 | for (env = first_cpu; env != NULL; env = env->next_cpu) { |
5959 | for (i = 0; i < nb_numa_nodes; i++) { | |
5960 | if (node_cpumask[i] & (1 << env->cpu_index)) { | |
5961 | env->numa_node = i; | |
5962 | } | |
5963 | } | |
5964 | } | |
5965 | ||
6f338c34 AL |
5966 | current_machine = machine; |
5967 | ||
3023f332 AL |
5968 | /* init USB devices */ |
5969 | if (usb_enabled) { | |
0752706d MA |
5970 | if (foreach_device_config(DEV_USB, usb_parse) < 0) |
5971 | exit(1); | |
3023f332 AL |
5972 | } |
5973 | ||
bd3c948d | 5974 | /* init generic devices */ |
f31d07d1 | 5975 | if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0) |
bd3c948d GH |
5976 | exit(1); |
5977 | ||
8f391ab4 AL |
5978 | if (!display_state) |
5979 | dumb_display_init(); | |
3023f332 AL |
5980 | /* just use the first displaystate for the moment */ |
5981 | ds = display_state; | |
993fbfdb AL |
5982 | |
5983 | if (display_type == DT_DEFAULT) { | |
5984 | #if defined(CONFIG_SDL) || defined(CONFIG_COCOA) | |
5985 | display_type = DT_SDL; | |
5986 | #else | |
5987 | display_type = DT_VNC; | |
5988 | vnc_display = "localhost:0,to=99"; | |
5989 | show_vnc_port = 1; | |
5990 | #endif | |
5991 | } | |
5992 | ||
5993 | ||
5994 | switch (display_type) { | |
5995 | case DT_NOGRAPHIC: | |
5996 | break; | |
4d3b6f6e | 5997 | #if defined(CONFIG_CURSES) |
993fbfdb AL |
5998 | case DT_CURSES: |
5999 | curses_display_init(ds, full_screen); | |
6000 | break; | |
4d3b6f6e | 6001 | #endif |
5b0753e0 | 6002 | #if defined(CONFIG_SDL) |
993fbfdb AL |
6003 | case DT_SDL: |
6004 | sdl_display_init(ds, full_screen, no_frame); | |
6005 | break; | |
5b0753e0 | 6006 | #elif defined(CONFIG_COCOA) |
993fbfdb AL |
6007 | case DT_SDL: |
6008 | cocoa_display_init(ds, full_screen); | |
6009 | break; | |
313aa567 | 6010 | #endif |
993fbfdb AL |
6011 | case DT_VNC: |
6012 | vnc_display_init(ds); | |
6013 | if (vnc_display_open(ds, vnc_display) < 0) | |
6014 | exit(1); | |
f92f8afe | 6015 | |
993fbfdb AL |
6016 | if (show_vnc_port) { |
6017 | printf("VNC server running on `%s'\n", vnc_display_local_addr(ds)); | |
f92f8afe | 6018 | } |
993fbfdb AL |
6019 | break; |
6020 | default: | |
6021 | break; | |
313aa567 | 6022 | } |
7d957bd8 | 6023 | dpy_resize(ds); |
5b08fc10 | 6024 | |
3023f332 AL |
6025 | dcl = ds->listeners; |
6026 | while (dcl != NULL) { | |
6027 | if (dcl->dpy_refresh != NULL) { | |
6028 | ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds); | |
6029 | qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock)); | |
20d8a3ed | 6030 | } |
3023f332 | 6031 | dcl = dcl->next; |
20d8a3ed | 6032 | } |
3023f332 | 6033 | |
993fbfdb | 6034 | if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) { |
9043b62d BS |
6035 | nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL); |
6036 | qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock)); | |
6037 | } | |
6038 | ||
2796dae0 AL |
6039 | text_consoles_set_display(display_state); |
6040 | ||
88589343 GH |
6041 | if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) |
6042 | exit(1); | |
82c643ff | 6043 | |
59030a8c AL |
6044 | if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { |
6045 | fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n", | |
6046 | gdbstub_dev); | |
6047 | exit(1); | |
45669e00 | 6048 | } |
45669e00 | 6049 | |
3418bd25 GH |
6050 | qdev_machine_creation_done(); |
6051 | ||
45a50b16 GH |
6052 | rom_load_all(); |
6053 | ||
504c2948 | 6054 | qemu_system_reset(); |
05f2401e JQ |
6055 | if (loadvm) { |
6056 | if (load_vmstate(cur_mon, loadvm) < 0) { | |
6057 | autostart = 0; | |
6058 | } | |
6059 | } | |
d63d307f | 6060 | |
2bb8c10c | 6061 | if (incoming) { |
5bb7910a | 6062 | qemu_start_incoming_migration(incoming); |
6b99dadc | 6063 | } else if (autostart) { |
c0f4ce77 | 6064 | vm_start(); |
6b99dadc | 6065 | } |
ffd843bc | 6066 | |
b9e82a59 | 6067 | #ifndef _WIN32 |
71e3ceb8 TS |
6068 | if (daemonize) { |
6069 | uint8_t status = 0; | |
6070 | ssize_t len; | |
71e3ceb8 TS |
6071 | |
6072 | again1: | |
6073 | len = write(fds[1], &status, 1); | |
6074 | if (len == -1 && (errno == EINTR)) | |
6075 | goto again1; | |
6076 | ||
6077 | if (len != 1) | |
6078 | exit(1); | |
6079 | ||
bd54b863 | 6080 | chdir("/"); |
40ff6d7e | 6081 | TFR(fd = qemu_open("/dev/null", O_RDWR)); |
71e3ceb8 TS |
6082 | if (fd == -1) |
6083 | exit(1); | |
0858532e | 6084 | } |
71e3ceb8 | 6085 | |
0858532e AL |
6086 | if (run_as) { |
6087 | pwd = getpwnam(run_as); | |
6088 | if (!pwd) { | |
6089 | fprintf(stderr, "User \"%s\" doesn't exist\n", run_as); | |
6090 | exit(1); | |
6091 | } | |
6092 | } | |
6093 | ||
6094 | if (chroot_dir) { | |
6095 | if (chroot(chroot_dir) < 0) { | |
6096 | fprintf(stderr, "chroot failed\n"); | |
6097 | exit(1); | |
6098 | } | |
6099 | chdir("/"); | |
6100 | } | |
6101 | ||
6102 | if (run_as) { | |
6103 | if (setgid(pwd->pw_gid) < 0) { | |
6104 | fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid); | |
6105 | exit(1); | |
6106 | } | |
6107 | if (setuid(pwd->pw_uid) < 0) { | |
6108 | fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid); | |
6109 | exit(1); | |
6110 | } | |
6111 | if (setuid(0) != -1) { | |
6112 | fprintf(stderr, "Dropping privileges failed\n"); | |
6113 | exit(1); | |
6114 | } | |
6115 | } | |
0858532e AL |
6116 | |
6117 | if (daemonize) { | |
6118 | dup2(fd, 0); | |
6119 | dup2(fd, 1); | |
6120 | dup2(fd, 2); | |
71e3ceb8 | 6121 | |
0858532e | 6122 | close(fd); |
71e3ceb8 | 6123 | } |
b9e82a59 | 6124 | #endif |
71e3ceb8 | 6125 | |
8a7ddc38 | 6126 | main_loop(); |
40c3bac3 | 6127 | quit_timers(); |
63a01ef8 | 6128 | net_cleanup(); |
b46a8906 | 6129 | |
0824d6fc FB |
6130 | return 0; |
6131 | } |