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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 | 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" |
511d2b14 | 159 | |
0824d6fc | 160 | #include "disas.h" |
fc01f7e7 | 161 | |
8a7ddc38 | 162 | #include "exec-all.h" |
0824d6fc | 163 | |
511d2b14 BS |
164 | #include "qemu_socket.h" |
165 | ||
d918f23e | 166 | #include "slirp/libslirp.h" |
511d2b14 | 167 | |
72cf2d4f BS |
168 | #include "qemu-queue.h" |
169 | ||
9dc63a1e BS |
170 | //#define DEBUG_NET |
171 | //#define DEBUG_SLIRP | |
330d0414 | 172 | |
1bfe856e | 173 | #define DEFAULT_RAM_SIZE 128 |
313aa567 | 174 | |
ddd9bbd9 JK |
175 | /* Maximum number of monitor devices */ |
176 | #define MAX_MONITOR_DEVICES 10 | |
177 | ||
5cea8590 | 178 | static const char *data_dir; |
1192dad8 | 179 | const char *bios_name = NULL; |
e4bcb14c | 180 | /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available |
faea38e7 | 181 | to store the VM snapshots */ |
72cf2d4f BS |
182 | struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives); |
183 | struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts); | |
cb5a7aa8 | 184 | enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; |
3023f332 | 185 | static DisplayState *display_state; |
993fbfdb | 186 | DisplayType display_type = DT_DEFAULT; |
3d11d0eb | 187 | const char* keyboard_layout = NULL; |
c227f099 | 188 | ram_addr_t ram_size; |
c4b1fcc0 | 189 | int nb_nics; |
7c9d8e07 | 190 | NICInfo nd_table[MAX_NICS]; |
8a7ddc38 | 191 | int vm_running; |
d399f677 | 192 | int autostart; |
f6503059 AZ |
193 | static int rtc_utc = 1; |
194 | static int rtc_date_offset = -1; /* -1 means no change */ | |
6875204c | 195 | QEMUClock *rtc_clock; |
86176759 | 196 | int vga_interface_type = VGA_CIRRUS; |
d827220b FB |
197 | #ifdef TARGET_SPARC |
198 | int graphic_width = 1024; | |
199 | int graphic_height = 768; | |
eee0b836 | 200 | int graphic_depth = 8; |
d827220b | 201 | #else |
1bfe856e FB |
202 | int graphic_width = 800; |
203 | int graphic_height = 600; | |
e9b137c2 | 204 | int graphic_depth = 15; |
eee0b836 | 205 | #endif |
dbed7e40 | 206 | static int full_screen = 0; |
634a21f6 | 207 | #ifdef CONFIG_SDL |
dbed7e40 | 208 | static int no_frame = 0; |
634a21f6 | 209 | #endif |
667accab | 210 | int no_quit = 0; |
8d11df9e | 211 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
6508fe59 | 212 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
9ede2fde | 213 | CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; |
a09db21f FB |
214 | #ifdef TARGET_I386 |
215 | int win2k_install_hack = 0; | |
73822ec8 | 216 | int rtc_td_hack = 0; |
a09db21f | 217 | #endif |
bb36d470 | 218 | int usb_enabled = 0; |
1b530a6d | 219 | int singlestep = 0; |
6a00d601 | 220 | int smp_cpus = 1; |
6be68d7e | 221 | int max_cpus = 0; |
dc6b1c09 AP |
222 | int smp_cores = 1; |
223 | int smp_threads = 1; | |
73fc9742 | 224 | const char *vnc_display; |
6515b203 | 225 | int acpi_enabled = 1; |
16b29ae1 | 226 | int no_hpet = 0; |
52ca8d6a | 227 | int fd_bootchk = 1; |
d1beab82 | 228 | int no_reboot = 0; |
b2f76161 | 229 | int no_shutdown = 0; |
9467cd46 | 230 | int cursor_hide = 1; |
a171fe39 | 231 | int graphic_rotate = 0; |
6b35e7bf | 232 | uint8_t irq0override = 1; |
b9e82a59 | 233 | #ifndef _WIN32 |
71e3ceb8 | 234 | int daemonize = 0; |
b9e82a59 | 235 | #endif |
09aaa160 | 236 | const char *watchdog; |
9ae02555 TS |
237 | const char *option_rom[MAX_OPTION_ROMS]; |
238 | int nb_option_roms; | |
8e71621f | 239 | int semihosting_enabled = 0; |
2b8f2d41 AZ |
240 | #ifdef TARGET_ARM |
241 | int old_param = 0; | |
242 | #endif | |
c35734b2 | 243 | const char *qemu_name; |
3780e197 | 244 | int alt_grab = 0; |
0ca9f8a4 | 245 | int ctrl_grab = 0; |
95efd11c | 246 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
66508601 BS |
247 | unsigned int nb_prom_envs = 0; |
248 | const char *prom_envs[MAX_PROM_ENVS]; | |
249 | #endif | |
95387491 | 250 | int boot_menu; |
0824d6fc | 251 | |
268a362c AL |
252 | int nb_numa_nodes; |
253 | uint64_t node_mem[MAX_NODES]; | |
254 | uint64_t node_cpumask[MAX_NODES]; | |
255 | ||
ee5605e5 AZ |
256 | static CPUState *cur_cpu; |
257 | static CPUState *next_cpu; | |
43b96858 | 258 | static int timer_alarm_pending = 1; |
bf20dc07 | 259 | /* Conversion factor from emulated instructions to virtual clock ticks. */ |
2e70f6ef | 260 | static int icount_time_shift; |
bf20dc07 | 261 | /* Arbitrarily pick 1MIPS as the minimum allowable speed. */ |
2e70f6ef PB |
262 | #define MAX_ICOUNT_SHIFT 10 |
263 | /* Compensate for varying guest execution speed. */ | |
264 | static int64_t qemu_icount_bias; | |
dbed7e40 BS |
265 | static QEMUTimer *icount_rt_timer; |
266 | static QEMUTimer *icount_vm_timer; | |
9043b62d | 267 | static QEMUTimer *nographic_timer; |
ee5605e5 | 268 | |
8fcb1b90 BS |
269 | uint8_t qemu_uuid[16]; |
270 | ||
76e30d0f JK |
271 | static QEMUBootSetHandler *boot_set_handler; |
272 | static void *boot_set_opaque; | |
273 | ||
998bbd74 | 274 | static int default_serial = 1; |
6a5e8b0e | 275 | static int default_parallel = 1; |
998bbd74 GH |
276 | |
277 | static struct { | |
278 | const char *driver; | |
279 | int *flag; | |
280 | } default_list[] = { | |
6a5e8b0e GH |
281 | { .driver = "isa-serial", .flag = &default_serial }, |
282 | { .driver = "isa-parallel", .flag = &default_parallel }, | |
998bbd74 GH |
283 | }; |
284 | ||
285 | static int default_driver_check(QemuOpts *opts, void *opaque) | |
286 | { | |
287 | const char *driver = qemu_opt_get(opts, "driver"); | |
288 | int i; | |
289 | ||
290 | if (!driver) | |
291 | return 0; | |
292 | for (i = 0; i < ARRAY_SIZE(default_list); i++) { | |
293 | if (strcmp(default_list[i].driver, driver) != 0) | |
294 | continue; | |
295 | *(default_list[i].flag) = 0; | |
296 | } | |
297 | return 0; | |
298 | } | |
299 | ||
0824d6fc | 300 | /***********************************************************/ |
26aa7d72 FB |
301 | /* x86 ISA bus support */ |
302 | ||
c227f099 | 303 | target_phys_addr_t isa_mem_base = 0; |
3de388f6 | 304 | PicState2 *isa_pic; |
0824d6fc | 305 | |
0824d6fc | 306 | /***********************************************************/ |
0824d6fc FB |
307 | void hw_error(const char *fmt, ...) |
308 | { | |
309 | va_list ap; | |
6a00d601 | 310 | CPUState *env; |
0824d6fc FB |
311 | |
312 | va_start(ap, fmt); | |
313 | fprintf(stderr, "qemu: hardware error: "); | |
314 | vfprintf(stderr, fmt, ap); | |
315 | fprintf(stderr, "\n"); | |
6a00d601 FB |
316 | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
317 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
0824d6fc | 318 | #ifdef TARGET_I386 |
6a00d601 | 319 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
c45886db | 320 | #else |
6a00d601 | 321 | cpu_dump_state(env, stderr, fprintf, 0); |
0824d6fc | 322 | #endif |
6a00d601 | 323 | } |
0824d6fc FB |
324 | va_end(ap); |
325 | abort(); | |
326 | } | |
1889465a AK |
327 | |
328 | static void set_proc_name(const char *s) | |
329 | { | |
6ca8d0fd | 330 | #if defined(__linux__) && defined(PR_SET_NAME) |
1889465a AK |
331 | char name[16]; |
332 | if (!s) | |
333 | return; | |
334 | name[sizeof(name) - 1] = 0; | |
335 | strncpy(name, s, sizeof(name)); | |
336 | /* Could rewrite argv[0] too, but that's a bit more complicated. | |
337 | This simple way is enough for `top'. */ | |
338 | prctl(PR_SET_NAME, name); | |
339 | #endif | |
340 | } | |
df751fa8 AL |
341 | |
342 | /***************/ | |
343 | /* ballooning */ | |
344 | ||
345 | static QEMUBalloonEvent *qemu_balloon_event; | |
346 | void *qemu_balloon_event_opaque; | |
347 | ||
348 | void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) | |
349 | { | |
350 | qemu_balloon_event = func; | |
351 | qemu_balloon_event_opaque = opaque; | |
352 | } | |
353 | ||
c227f099 | 354 | void qemu_balloon(ram_addr_t target) |
df751fa8 AL |
355 | { |
356 | if (qemu_balloon_event) | |
357 | qemu_balloon_event(qemu_balloon_event_opaque, target); | |
358 | } | |
359 | ||
c227f099 | 360 | ram_addr_t qemu_balloon_status(void) |
df751fa8 AL |
361 | { |
362 | if (qemu_balloon_event) | |
363 | return qemu_balloon_event(qemu_balloon_event_opaque, 0); | |
364 | return 0; | |
365 | } | |
0824d6fc | 366 | |
63066f4f FB |
367 | /***********************************************************/ |
368 | /* keyboard/mouse */ | |
369 | ||
370 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
371 | static void *qemu_put_kbd_event_opaque; | |
455204eb TS |
372 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; |
373 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; | |
63066f4f FB |
374 | |
375 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
376 | { | |
377 | qemu_put_kbd_event_opaque = opaque; | |
378 | qemu_put_kbd_event = func; | |
379 | } | |
380 | ||
455204eb TS |
381 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, |
382 | void *opaque, int absolute, | |
383 | const char *name) | |
63066f4f | 384 | { |
455204eb TS |
385 | QEMUPutMouseEntry *s, *cursor; |
386 | ||
387 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); | |
455204eb TS |
388 | |
389 | s->qemu_put_mouse_event = func; | |
390 | s->qemu_put_mouse_event_opaque = opaque; | |
391 | s->qemu_put_mouse_event_absolute = absolute; | |
392 | s->qemu_put_mouse_event_name = qemu_strdup(name); | |
393 | s->next = NULL; | |
394 | ||
395 | if (!qemu_put_mouse_event_head) { | |
396 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; | |
397 | return s; | |
398 | } | |
399 | ||
400 | cursor = qemu_put_mouse_event_head; | |
401 | while (cursor->next != NULL) | |
402 | cursor = cursor->next; | |
403 | ||
404 | cursor->next = s; | |
405 | qemu_put_mouse_event_current = s; | |
406 | ||
407 | return s; | |
408 | } | |
409 | ||
410 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) | |
411 | { | |
412 | QEMUPutMouseEntry *prev = NULL, *cursor; | |
413 | ||
414 | if (!qemu_put_mouse_event_head || entry == NULL) | |
415 | return; | |
416 | ||
417 | cursor = qemu_put_mouse_event_head; | |
418 | while (cursor != NULL && cursor != entry) { | |
419 | prev = cursor; | |
420 | cursor = cursor->next; | |
421 | } | |
422 | ||
423 | if (cursor == NULL) // does not exist or list empty | |
424 | return; | |
425 | else if (prev == NULL) { // entry is head | |
426 | qemu_put_mouse_event_head = cursor->next; | |
427 | if (qemu_put_mouse_event_current == entry) | |
428 | qemu_put_mouse_event_current = cursor->next; | |
429 | qemu_free(entry->qemu_put_mouse_event_name); | |
430 | qemu_free(entry); | |
431 | return; | |
432 | } | |
433 | ||
434 | prev->next = entry->next; | |
435 | ||
436 | if (qemu_put_mouse_event_current == entry) | |
437 | qemu_put_mouse_event_current = prev; | |
438 | ||
439 | qemu_free(entry->qemu_put_mouse_event_name); | |
440 | qemu_free(entry); | |
63066f4f FB |
441 | } |
442 | ||
443 | void kbd_put_keycode(int keycode) | |
444 | { | |
445 | if (qemu_put_kbd_event) { | |
446 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
447 | } | |
448 | } | |
449 | ||
450 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
451 | { | |
455204eb TS |
452 | QEMUPutMouseEvent *mouse_event; |
453 | void *mouse_event_opaque; | |
a171fe39 | 454 | int width; |
455204eb TS |
455 | |
456 | if (!qemu_put_mouse_event_current) { | |
457 | return; | |
458 | } | |
459 | ||
460 | mouse_event = | |
461 | qemu_put_mouse_event_current->qemu_put_mouse_event; | |
462 | mouse_event_opaque = | |
463 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; | |
464 | ||
465 | if (mouse_event) { | |
a171fe39 AZ |
466 | if (graphic_rotate) { |
467 | if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) | |
468 | width = 0x7fff; | |
469 | else | |
b94ed577 | 470 | width = graphic_width - 1; |
a171fe39 AZ |
471 | mouse_event(mouse_event_opaque, |
472 | width - dy, dx, dz, buttons_state); | |
473 | } else | |
474 | mouse_event(mouse_event_opaque, | |
475 | dx, dy, dz, buttons_state); | |
63066f4f FB |
476 | } |
477 | } | |
478 | ||
09b26c5e FB |
479 | int kbd_mouse_is_absolute(void) |
480 | { | |
455204eb TS |
481 | if (!qemu_put_mouse_event_current) |
482 | return 0; | |
483 | ||
484 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; | |
485 | } | |
486 | ||
376253ec | 487 | void do_info_mice(Monitor *mon) |
455204eb TS |
488 | { |
489 | QEMUPutMouseEntry *cursor; | |
490 | int index = 0; | |
491 | ||
492 | if (!qemu_put_mouse_event_head) { | |
376253ec | 493 | monitor_printf(mon, "No mouse devices connected\n"); |
455204eb TS |
494 | return; |
495 | } | |
496 | ||
376253ec | 497 | monitor_printf(mon, "Mouse devices available:\n"); |
455204eb TS |
498 | cursor = qemu_put_mouse_event_head; |
499 | while (cursor != NULL) { | |
376253ec AL |
500 | monitor_printf(mon, "%c Mouse #%d: %s\n", |
501 | (cursor == qemu_put_mouse_event_current ? '*' : ' '), | |
502 | index, cursor->qemu_put_mouse_event_name); | |
455204eb TS |
503 | index++; |
504 | cursor = cursor->next; | |
505 | } | |
506 | } | |
507 | ||
d54908a5 | 508 | void do_mouse_set(Monitor *mon, const QDict *qdict) |
455204eb TS |
509 | { |
510 | QEMUPutMouseEntry *cursor; | |
511 | int i = 0; | |
d54908a5 | 512 | int index = qdict_get_int(qdict, "index"); |
455204eb TS |
513 | |
514 | if (!qemu_put_mouse_event_head) { | |
376253ec | 515 | monitor_printf(mon, "No mouse devices connected\n"); |
455204eb TS |
516 | return; |
517 | } | |
518 | ||
519 | cursor = qemu_put_mouse_event_head; | |
520 | while (cursor != NULL && index != i) { | |
521 | i++; | |
522 | cursor = cursor->next; | |
523 | } | |
524 | ||
525 | if (cursor != NULL) | |
526 | qemu_put_mouse_event_current = cursor; | |
527 | else | |
376253ec | 528 | monitor_printf(mon, "Mouse at given index not found\n"); |
09b26c5e FB |
529 | } |
530 | ||
1dce7c3c FB |
531 | /* compute with 96 bit intermediate result: (a*b)/c */ |
532 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
0824d6fc | 533 | { |
1dce7c3c FB |
534 | union { |
535 | uint64_t ll; | |
536 | struct { | |
e2542fe2 | 537 | #ifdef HOST_WORDS_BIGENDIAN |
1dce7c3c FB |
538 | uint32_t high, low; |
539 | #else | |
540 | uint32_t low, high; | |
3b46e624 | 541 | #endif |
1dce7c3c FB |
542 | } l; |
543 | } u, res; | |
544 | uint64_t rl, rh; | |
0824d6fc | 545 | |
1dce7c3c FB |
546 | u.ll = a; |
547 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
548 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
549 | rh += (rl >> 32); | |
550 | res.l.high = rh / c; | |
551 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
552 | return res.ll; | |
34865134 FB |
553 | } |
554 | ||
1dce7c3c FB |
555 | /***********************************************************/ |
556 | /* real time host monotonic timer */ | |
34865134 | 557 | |
21d5d12b JK |
558 | static int64_t get_clock_realtime(void) |
559 | { | |
560 | struct timeval tv; | |
561 | ||
562 | gettimeofday(&tv, NULL); | |
563 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); | |
564 | } | |
565 | ||
1dce7c3c | 566 | #ifdef WIN32 |
0824d6fc | 567 | |
1dce7c3c | 568 | static int64_t clock_freq; |
1115dde7 | 569 | |
1dce7c3c | 570 | static void init_get_clock(void) |
1115dde7 | 571 | { |
a8e5ac33 FB |
572 | LARGE_INTEGER freq; |
573 | int ret; | |
1dce7c3c FB |
574 | ret = QueryPerformanceFrequency(&freq); |
575 | if (ret == 0) { | |
576 | fprintf(stderr, "Could not calibrate ticks\n"); | |
577 | exit(1); | |
578 | } | |
579 | clock_freq = freq.QuadPart; | |
1115dde7 FB |
580 | } |
581 | ||
1dce7c3c | 582 | static int64_t get_clock(void) |
b8076a74 | 583 | { |
1dce7c3c FB |
584 | LARGE_INTEGER ti; |
585 | QueryPerformanceCounter(&ti); | |
274dfed8 | 586 | return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq); |
b8076a74 FB |
587 | } |
588 | ||
1dce7c3c | 589 | #else |
90cb9493 | 590 | |
1dce7c3c FB |
591 | static int use_rt_clock; |
592 | ||
593 | static void init_get_clock(void) | |
90cb9493 | 594 | { |
1dce7c3c | 595 | use_rt_clock = 0; |
c5e97233 | 596 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
a167ba50 | 597 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
1dce7c3c FB |
598 | { |
599 | struct timespec ts; | |
600 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { | |
601 | use_rt_clock = 1; | |
602 | } | |
603 | } | |
604 | #endif | |
90cb9493 FB |
605 | } |
606 | ||
1dce7c3c | 607 | static int64_t get_clock(void) |
fdbb4691 | 608 | { |
c5e97233 | 609 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
a167ba50 | 610 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
1dce7c3c FB |
611 | if (use_rt_clock) { |
612 | struct timespec ts; | |
613 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
614 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; | |
5fafdf24 | 615 | } else |
fdbb4691 | 616 | #endif |
1dce7c3c FB |
617 | { |
618 | /* XXX: using gettimeofday leads to problems if the date | |
619 | changes, so it should be avoided. */ | |
21d5d12b | 620 | return get_clock_realtime(); |
1dce7c3c | 621 | } |
fdbb4691 | 622 | } |
34865134 FB |
623 | #endif |
624 | ||
2e70f6ef PB |
625 | /* Return the virtual CPU time, based on the instruction counter. */ |
626 | static int64_t cpu_get_icount(void) | |
627 | { | |
628 | int64_t icount; | |
629 | CPUState *env = cpu_single_env;; | |
630 | icount = qemu_icount; | |
631 | if (env) { | |
632 | if (!can_do_io(env)) | |
633 | fprintf(stderr, "Bad clock read\n"); | |
634 | icount -= (env->icount_decr.u16.low + env->icount_extra); | |
635 | } | |
636 | return qemu_icount_bias + (icount << icount_time_shift); | |
637 | } | |
638 | ||
1dce7c3c FB |
639 | /***********************************************************/ |
640 | /* guest cycle counter */ | |
641 | ||
6f68e33e JQ |
642 | typedef struct TimersState { |
643 | int64_t cpu_ticks_prev; | |
644 | int64_t cpu_ticks_offset; | |
645 | int64_t cpu_clock_offset; | |
646 | int32_t cpu_ticks_enabled; | |
274dfed8 | 647 | int64_t dummy; |
6f68e33e JQ |
648 | } TimersState; |
649 | ||
650 | TimersState timers_state; | |
34865134 | 651 | |
1dce7c3c FB |
652 | /* return the host CPU cycle counter and handle stop/restart */ |
653 | int64_t cpu_get_ticks(void) | |
34865134 | 654 | { |
2e70f6ef PB |
655 | if (use_icount) { |
656 | return cpu_get_icount(); | |
657 | } | |
6f68e33e JQ |
658 | if (!timers_state.cpu_ticks_enabled) { |
659 | return timers_state.cpu_ticks_offset; | |
8a7ddc38 | 660 | } else { |
eade0f19 FB |
661 | int64_t ticks; |
662 | ticks = cpu_get_real_ticks(); | |
6f68e33e | 663 | if (timers_state.cpu_ticks_prev > ticks) { |
eade0f19 FB |
664 | /* Note: non increasing ticks may happen if the host uses |
665 | software suspend */ | |
6f68e33e | 666 | timers_state.cpu_ticks_offset += timers_state.cpu_ticks_prev - ticks; |
eade0f19 | 667 | } |
6f68e33e JQ |
668 | timers_state.cpu_ticks_prev = ticks; |
669 | return ticks + timers_state.cpu_ticks_offset; | |
8a7ddc38 | 670 | } |
34865134 FB |
671 | } |
672 | ||
1dce7c3c FB |
673 | /* return the host CPU monotonic timer and handle stop/restart */ |
674 | static int64_t cpu_get_clock(void) | |
675 | { | |
676 | int64_t ti; | |
6f68e33e JQ |
677 | if (!timers_state.cpu_ticks_enabled) { |
678 | return timers_state.cpu_clock_offset; | |
1dce7c3c FB |
679 | } else { |
680 | ti = get_clock(); | |
6f68e33e | 681 | return ti + timers_state.cpu_clock_offset; |
1dce7c3c FB |
682 | } |
683 | } | |
684 | ||
34865134 FB |
685 | /* enable cpu_get_ticks() */ |
686 | void cpu_enable_ticks(void) | |
687 | { | |
6f68e33e JQ |
688 | if (!timers_state.cpu_ticks_enabled) { |
689 | timers_state.cpu_ticks_offset -= cpu_get_real_ticks(); | |
690 | timers_state.cpu_clock_offset -= get_clock(); | |
691 | timers_state.cpu_ticks_enabled = 1; | |
8a7ddc38 | 692 | } |
34865134 FB |
693 | } |
694 | ||
695 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
696 | cpu_get_ticks() after that. */ | |
697 | void cpu_disable_ticks(void) | |
698 | { | |
6f68e33e JQ |
699 | if (timers_state.cpu_ticks_enabled) { |
700 | timers_state.cpu_ticks_offset = cpu_get_ticks(); | |
701 | timers_state.cpu_clock_offset = cpu_get_clock(); | |
702 | timers_state.cpu_ticks_enabled = 0; | |
8a7ddc38 | 703 | } |
34865134 FB |
704 | } |
705 | ||
1dce7c3c FB |
706 | /***********************************************************/ |
707 | /* timers */ | |
5fafdf24 | 708 | |
0fdddf80 JK |
709 | #define QEMU_CLOCK_REALTIME 0 |
710 | #define QEMU_CLOCK_VIRTUAL 1 | |
21d5d12b | 711 | #define QEMU_CLOCK_HOST 2 |
8a7ddc38 FB |
712 | |
713 | struct QEMUClock { | |
714 | int type; | |
715 | /* XXX: add frequency */ | |
716 | }; | |
717 | ||
718 | struct QEMUTimer { | |
719 | QEMUClock *clock; | |
720 | int64_t expire_time; | |
721 | QEMUTimerCB *cb; | |
722 | void *opaque; | |
723 | struct QEMUTimer *next; | |
724 | }; | |
725 | ||
c8994013 TS |
726 | struct qemu_alarm_timer { |
727 | char const *name; | |
efe75411 | 728 | unsigned int flags; |
c8994013 TS |
729 | |
730 | int (*start)(struct qemu_alarm_timer *t); | |
731 | void (*stop)(struct qemu_alarm_timer *t); | |
efe75411 | 732 | void (*rearm)(struct qemu_alarm_timer *t); |
c8994013 TS |
733 | void *priv; |
734 | }; | |
735 | ||
efe75411 | 736 | #define ALARM_FLAG_DYNTICKS 0x1 |
d5d08334 | 737 | #define ALARM_FLAG_EXPIRED 0x2 |
efe75411 TS |
738 | |
739 | static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) | |
740 | { | |
e332340a | 741 | return t && (t->flags & ALARM_FLAG_DYNTICKS); |
efe75411 TS |
742 | } |
743 | ||
744 | static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) | |
745 | { | |
746 | if (!alarm_has_dynticks(t)) | |
747 | return; | |
748 | ||
749 | t->rearm(t); | |
750 | } | |
751 | ||
752 | /* TODO: MIN_TIMER_REARM_US should be optimized */ | |
753 | #define MIN_TIMER_REARM_US 250 | |
754 | ||
c8994013 | 755 | static struct qemu_alarm_timer *alarm_timer; |
8a7ddc38 | 756 | |
40c3bac3 | 757 | #ifdef _WIN32 |
c8994013 TS |
758 | |
759 | struct qemu_alarm_win32 { | |
760 | MMRESULT timerId; | |
c8994013 | 761 | unsigned int period; |
ef28c4b0 | 762 | } alarm_win32_data = {0, -1}; |
c8994013 TS |
763 | |
764 | static int win32_start_timer(struct qemu_alarm_timer *t); | |
765 | static void win32_stop_timer(struct qemu_alarm_timer *t); | |
efe75411 | 766 | static void win32_rearm_timer(struct qemu_alarm_timer *t); |
c8994013 | 767 | |
40c3bac3 | 768 | #else |
c8994013 TS |
769 | |
770 | static int unix_start_timer(struct qemu_alarm_timer *t); | |
771 | static void unix_stop_timer(struct qemu_alarm_timer *t); | |
772 | ||
231c6586 TS |
773 | #ifdef __linux__ |
774 | ||
efe75411 TS |
775 | static int dynticks_start_timer(struct qemu_alarm_timer *t); |
776 | static void dynticks_stop_timer(struct qemu_alarm_timer *t); | |
777 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t); | |
778 | ||
c40ec5a9 TS |
779 | static int hpet_start_timer(struct qemu_alarm_timer *t); |
780 | static void hpet_stop_timer(struct qemu_alarm_timer *t); | |
781 | ||
c8994013 TS |
782 | static int rtc_start_timer(struct qemu_alarm_timer *t); |
783 | static void rtc_stop_timer(struct qemu_alarm_timer *t); | |
784 | ||
efe75411 | 785 | #endif /* __linux__ */ |
8a7ddc38 | 786 | |
c8994013 TS |
787 | #endif /* _WIN32 */ |
788 | ||
2e70f6ef | 789 | /* Correlation between real and virtual time is always going to be |
bf20dc07 | 790 | fairly approximate, so ignore small variation. |
2e70f6ef PB |
791 | When the guest is idle real and virtual time will be aligned in |
792 | the IO wait loop. */ | |
274dfed8 | 793 | #define ICOUNT_WOBBLE (get_ticks_per_sec() / 10) |
2e70f6ef PB |
794 | |
795 | static void icount_adjust(void) | |
796 | { | |
797 | int64_t cur_time; | |
798 | int64_t cur_icount; | |
799 | int64_t delta; | |
800 | static int64_t last_delta; | |
801 | /* If the VM is not running, then do nothing. */ | |
802 | if (!vm_running) | |
803 | return; | |
804 | ||
805 | cur_time = cpu_get_clock(); | |
806 | cur_icount = qemu_get_clock(vm_clock); | |
807 | delta = cur_icount - cur_time; | |
808 | /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ | |
809 | if (delta > 0 | |
810 | && last_delta + ICOUNT_WOBBLE < delta * 2 | |
811 | && icount_time_shift > 0) { | |
812 | /* The guest is getting too far ahead. Slow time down. */ | |
813 | icount_time_shift--; | |
814 | } | |
815 | if (delta < 0 | |
816 | && last_delta - ICOUNT_WOBBLE > delta * 2 | |
817 | && icount_time_shift < MAX_ICOUNT_SHIFT) { | |
818 | /* The guest is getting too far behind. Speed time up. */ | |
819 | icount_time_shift++; | |
820 | } | |
821 | last_delta = delta; | |
822 | qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); | |
823 | } | |
824 | ||
825 | static void icount_adjust_rt(void * opaque) | |
826 | { | |
827 | qemu_mod_timer(icount_rt_timer, | |
828 | qemu_get_clock(rt_clock) + 1000); | |
829 | icount_adjust(); | |
830 | } | |
831 | ||
832 | static void icount_adjust_vm(void * opaque) | |
833 | { | |
834 | qemu_mod_timer(icount_vm_timer, | |
274dfed8 | 835 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
2e70f6ef PB |
836 | icount_adjust(); |
837 | } | |
838 | ||
839 | static void init_icount_adjust(void) | |
840 | { | |
841 | /* Have both realtime and virtual time triggers for speed adjustment. | |
842 | The realtime trigger catches emulated time passing too slowly, | |
843 | the virtual time trigger catches emulated time passing too fast. | |
844 | Realtime triggers occur even when idle, so use them less frequently | |
845 | than VM triggers. */ | |
846 | icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); | |
847 | qemu_mod_timer(icount_rt_timer, | |
848 | qemu_get_clock(rt_clock) + 1000); | |
849 | icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); | |
850 | qemu_mod_timer(icount_vm_timer, | |
274dfed8 | 851 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
2e70f6ef PB |
852 | } |
853 | ||
c8994013 | 854 | static struct qemu_alarm_timer alarm_timers[] = { |
efe75411 | 855 | #ifndef _WIN32 |
231c6586 | 856 | #ifdef __linux__ |
efe75411 TS |
857 | {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, |
858 | dynticks_stop_timer, dynticks_rearm_timer, NULL}, | |
c40ec5a9 | 859 | /* HPET - if available - is preferred */ |
efe75411 | 860 | {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, |
c40ec5a9 | 861 | /* ...otherwise try RTC */ |
efe75411 | 862 | {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, |
c8994013 | 863 | #endif |
efe75411 | 864 | {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, |
c8994013 | 865 | #else |
efe75411 TS |
866 | {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, |
867 | win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, | |
868 | {"win32", 0, win32_start_timer, | |
869 | win32_stop_timer, NULL, &alarm_win32_data}, | |
c8994013 TS |
870 | #endif |
871 | {NULL, } | |
872 | }; | |
873 | ||
3f47aa8c | 874 | static void show_available_alarms(void) |
f3dcfada TS |
875 | { |
876 | int i; | |
877 | ||
878 | printf("Available alarm timers, in order of precedence:\n"); | |
879 | for (i = 0; alarm_timers[i].name; i++) | |
880 | printf("%s\n", alarm_timers[i].name); | |
881 | } | |
882 | ||
883 | static void configure_alarms(char const *opt) | |
884 | { | |
885 | int i; | |
886 | int cur = 0; | |
b1503cda | 887 | int count = ARRAY_SIZE(alarm_timers) - 1; |
f3dcfada TS |
888 | char *arg; |
889 | char *name; | |
2e70f6ef | 890 | struct qemu_alarm_timer tmp; |
f3dcfada | 891 | |
3adda04c | 892 | if (!strcmp(opt, "?")) { |
f3dcfada TS |
893 | show_available_alarms(); |
894 | exit(0); | |
895 | } | |
896 | ||
73ffc805 | 897 | arg = qemu_strdup(opt); |
f3dcfada TS |
898 | |
899 | /* Reorder the array */ | |
900 | name = strtok(arg, ","); | |
901 | while (name) { | |
e2b577e5 | 902 | for (i = 0; i < count && alarm_timers[i].name; i++) { |
f3dcfada TS |
903 | if (!strcmp(alarm_timers[i].name, name)) |
904 | break; | |
905 | } | |
906 | ||
907 | if (i == count) { | |
908 | fprintf(stderr, "Unknown clock %s\n", name); | |
909 | goto next; | |
910 | } | |
911 | ||
912 | if (i < cur) | |
913 | /* Ignore */ | |
914 | goto next; | |
915 | ||
916 | /* Swap */ | |
917 | tmp = alarm_timers[i]; | |
918 | alarm_timers[i] = alarm_timers[cur]; | |
919 | alarm_timers[cur] = tmp; | |
920 | ||
921 | cur++; | |
922 | next: | |
923 | name = strtok(NULL, ","); | |
924 | } | |
925 | ||
73ffc805 | 926 | qemu_free(arg); |
f3dcfada TS |
927 | |
928 | if (cur) { | |
2e70f6ef | 929 | /* Disable remaining timers */ |
f3dcfada TS |
930 | for (i = cur; i < count; i++) |
931 | alarm_timers[i].name = NULL; | |
3adda04c AJ |
932 | } else { |
933 | show_available_alarms(); | |
934 | exit(1); | |
f3dcfada | 935 | } |
f3dcfada TS |
936 | } |
937 | ||
21d5d12b JK |
938 | #define QEMU_NUM_CLOCKS 3 |
939 | ||
c8994013 TS |
940 | QEMUClock *rt_clock; |
941 | QEMUClock *vm_clock; | |
21d5d12b | 942 | QEMUClock *host_clock; |
c8994013 | 943 | |
21d5d12b | 944 | static QEMUTimer *active_timers[QEMU_NUM_CLOCKS]; |
c8994013 | 945 | |
9596ebb7 | 946 | static QEMUClock *qemu_new_clock(int type) |
8a7ddc38 FB |
947 | { |
948 | QEMUClock *clock; | |
949 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
8a7ddc38 FB |
950 | clock->type = type; |
951 | return clock; | |
952 | } | |
953 | ||
954 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
955 | { | |
956 | QEMUTimer *ts; | |
957 | ||
958 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
959 | ts->clock = clock; | |
960 | ts->cb = cb; | |
961 | ts->opaque = opaque; | |
962 | return ts; | |
963 | } | |
964 | ||
965 | void qemu_free_timer(QEMUTimer *ts) | |
966 | { | |
967 | qemu_free(ts); | |
968 | } | |
969 | ||
970 | /* stop a timer, but do not dealloc it */ | |
971 | void qemu_del_timer(QEMUTimer *ts) | |
972 | { | |
973 | QEMUTimer **pt, *t; | |
974 | ||
975 | /* NOTE: this code must be signal safe because | |
976 | qemu_timer_expired() can be called from a signal. */ | |
977 | pt = &active_timers[ts->clock->type]; | |
978 | for(;;) { | |
979 | t = *pt; | |
980 | if (!t) | |
981 | break; | |
982 | if (t == ts) { | |
983 | *pt = t->next; | |
984 | break; | |
985 | } | |
986 | pt = &t->next; | |
987 | } | |
988 | } | |
989 | ||
990 | /* modify the current timer so that it will be fired when current_time | |
991 | >= expire_time. The corresponding callback will be called. */ | |
992 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
993 | { | |
994 | QEMUTimer **pt, *t; | |
995 | ||
996 | qemu_del_timer(ts); | |
997 | ||
998 | /* add the timer in the sorted list */ | |
999 | /* NOTE: this code must be signal safe because | |
1000 | qemu_timer_expired() can be called from a signal. */ | |
1001 | pt = &active_timers[ts->clock->type]; | |
1002 | for(;;) { | |
1003 | t = *pt; | |
1004 | if (!t) | |
1005 | break; | |
5fafdf24 | 1006 | if (t->expire_time > expire_time) |
8a7ddc38 FB |
1007 | break; |
1008 | pt = &t->next; | |
1009 | } | |
1010 | ts->expire_time = expire_time; | |
1011 | ts->next = *pt; | |
1012 | *pt = ts; | |
d5d08334 AZ |
1013 | |
1014 | /* Rearm if necessary */ | |
2e70f6ef PB |
1015 | if (pt == &active_timers[ts->clock->type]) { |
1016 | if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { | |
1017 | qemu_rearm_alarm_timer(alarm_timer); | |
1018 | } | |
1019 | /* Interrupt execution to force deadline recalculation. */ | |
d9f75a4e AL |
1020 | if (use_icount) |
1021 | qemu_notify_event(); | |
2e70f6ef | 1022 | } |
8a7ddc38 FB |
1023 | } |
1024 | ||
1025 | int qemu_timer_pending(QEMUTimer *ts) | |
1026 | { | |
1027 | QEMUTimer *t; | |
1028 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
1029 | if (t == ts) | |
1030 | return 1; | |
1031 | } | |
1032 | return 0; | |
1033 | } | |
1034 | ||
2430ffe4 | 1035 | int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
8a7ddc38 FB |
1036 | { |
1037 | if (!timer_head) | |
1038 | return 0; | |
1039 | return (timer_head->expire_time <= current_time); | |
1040 | } | |
1041 | ||
1042 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
1043 | { | |
1044 | QEMUTimer *ts; | |
3b46e624 | 1045 | |
8a7ddc38 FB |
1046 | for(;;) { |
1047 | ts = *ptimer_head; | |
e95c8d51 | 1048 | if (!ts || ts->expire_time > current_time) |
8a7ddc38 FB |
1049 | break; |
1050 | /* remove timer from the list before calling the callback */ | |
1051 | *ptimer_head = ts->next; | |
1052 | ts->next = NULL; | |
3b46e624 | 1053 | |
8a7ddc38 FB |
1054 | /* run the callback (the timer list can be modified) */ |
1055 | ts->cb(ts->opaque); | |
1056 | } | |
1057 | } | |
1058 | ||
1059 | int64_t qemu_get_clock(QEMUClock *clock) | |
1060 | { | |
1061 | switch(clock->type) { | |
0fdddf80 | 1062 | case QEMU_CLOCK_REALTIME: |
1dce7c3c | 1063 | return get_clock() / 1000000; |
8a7ddc38 | 1064 | default: |
0fdddf80 | 1065 | case QEMU_CLOCK_VIRTUAL: |
2e70f6ef PB |
1066 | if (use_icount) { |
1067 | return cpu_get_icount(); | |
1068 | } else { | |
1069 | return cpu_get_clock(); | |
1070 | } | |
21d5d12b JK |
1071 | case QEMU_CLOCK_HOST: |
1072 | return get_clock_realtime(); | |
8a7ddc38 FB |
1073 | } |
1074 | } | |
1075 | ||
0fdddf80 | 1076 | static void init_clocks(void) |
1dce7c3c FB |
1077 | { |
1078 | init_get_clock(); | |
0fdddf80 JK |
1079 | rt_clock = qemu_new_clock(QEMU_CLOCK_REALTIME); |
1080 | vm_clock = qemu_new_clock(QEMU_CLOCK_VIRTUAL); | |
21d5d12b | 1081 | host_clock = qemu_new_clock(QEMU_CLOCK_HOST); |
6875204c JK |
1082 | |
1083 | rtc_clock = host_clock; | |
1dce7c3c FB |
1084 | } |
1085 | ||
8a7ddc38 FB |
1086 | /* save a timer */ |
1087 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
1088 | { | |
1089 | uint64_t expire_time; | |
1090 | ||
1091 | if (qemu_timer_pending(ts)) { | |
1092 | expire_time = ts->expire_time; | |
1093 | } else { | |
1094 | expire_time = -1; | |
1095 | } | |
1096 | qemu_put_be64(f, expire_time); | |
1097 | } | |
1098 | ||
1099 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
1100 | { | |
1101 | uint64_t expire_time; | |
1102 | ||
1103 | expire_time = qemu_get_be64(f); | |
1104 | if (expire_time != -1) { | |
1105 | qemu_mod_timer(ts, expire_time); | |
1106 | } else { | |
1107 | qemu_del_timer(ts); | |
1108 | } | |
1109 | } | |
1110 | ||
2faf58cd JQ |
1111 | static const VMStateDescription vmstate_timers = { |
1112 | .name = "timer", | |
1113 | .version_id = 2, | |
1114 | .minimum_version_id = 1, | |
1115 | .minimum_version_id_old = 1, | |
1116 | .fields = (VMStateField []) { | |
1117 | VMSTATE_INT64(cpu_ticks_offset, TimersState), | |
274dfed8 | 1118 | VMSTATE_INT64(dummy, TimersState), |
2faf58cd JQ |
1119 | VMSTATE_INT64_V(cpu_clock_offset, TimersState, 2), |
1120 | VMSTATE_END_OF_LIST() | |
c88676f8 | 1121 | } |
2faf58cd | 1122 | }; |
8a7ddc38 | 1123 | |
50317c7f AL |
1124 | static void qemu_event_increment(void); |
1125 | ||
67b915a5 | 1126 | #ifdef _WIN32 |
b9e82a59 BS |
1127 | static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, |
1128 | DWORD_PTR dwUser, DWORD_PTR dw1, | |
1129 | DWORD_PTR dw2) | |
67b915a5 | 1130 | #else |
8a7ddc38 | 1131 | static void host_alarm_handler(int host_signum) |
67b915a5 | 1132 | #endif |
8a7ddc38 | 1133 | { |
02ba45c5 FB |
1134 | #if 0 |
1135 | #define DISP_FREQ 1000 | |
1136 | { | |
1137 | static int64_t delta_min = INT64_MAX; | |
1138 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
1139 | static int count; | |
1140 | ti = qemu_get_clock(vm_clock); | |
1141 | if (last_clock != 0) { | |
1142 | delta = ti - last_clock; | |
1143 | if (delta < delta_min) | |
1144 | delta_min = delta; | |
1145 | if (delta > delta_max) | |
1146 | delta_max = delta; | |
1147 | delta_cum += delta; | |
1148 | if (++count == DISP_FREQ) { | |
26a76461 | 1149 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", |
6ee093c9 JQ |
1150 | muldiv64(delta_min, 1000000, get_ticks_per_sec()), |
1151 | muldiv64(delta_max, 1000000, get_ticks_per_sec()), | |
1152 | muldiv64(delta_cum, 1000000 / DISP_FREQ, get_ticks_per_sec()), | |
1153 | (double)get_ticks_per_sec() / ((double)delta_cum / DISP_FREQ)); | |
02ba45c5 FB |
1154 | count = 0; |
1155 | delta_min = INT64_MAX; | |
1156 | delta_max = 0; | |
1157 | delta_cum = 0; | |
1158 | } | |
1159 | } | |
1160 | last_clock = ti; | |
1161 | } | |
1162 | #endif | |
efe75411 | 1163 | if (alarm_has_dynticks(alarm_timer) || |
2e70f6ef | 1164 | (!use_icount && |
0fdddf80 | 1165 | qemu_timer_expired(active_timers[QEMU_CLOCK_VIRTUAL], |
2e70f6ef | 1166 | qemu_get_clock(vm_clock))) || |
0fdddf80 | 1167 | qemu_timer_expired(active_timers[QEMU_CLOCK_REALTIME], |
21d5d12b JK |
1168 | qemu_get_clock(rt_clock)) || |
1169 | qemu_timer_expired(active_timers[QEMU_CLOCK_HOST], | |
1170 | qemu_get_clock(host_clock))) { | |
50317c7f | 1171 | qemu_event_increment(); |
e332340a | 1172 | if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED; |
d5d08334 | 1173 | |
d6dc3d42 AL |
1174 | #ifndef CONFIG_IOTHREAD |
1175 | if (next_cpu) { | |
4f8eb8da | 1176 | /* stop the currently executing cpu because a timer occured */ |
d6dc3d42 | 1177 | cpu_exit(next_cpu); |
4f8eb8da | 1178 | } |
d6dc3d42 | 1179 | #endif |
43b96858 | 1180 | timer_alarm_pending = 1; |
d9f75a4e | 1181 | qemu_notify_event(); |
8a7ddc38 FB |
1182 | } |
1183 | } | |
1184 | ||
2e70f6ef | 1185 | static int64_t qemu_next_deadline(void) |
efe75411 | 1186 | { |
21d5d12b JK |
1187 | /* To avoid problems with overflow limit this to 2^32. */ |
1188 | int64_t delta = INT32_MAX; | |
efe75411 | 1189 | |
0fdddf80 JK |
1190 | if (active_timers[QEMU_CLOCK_VIRTUAL]) { |
1191 | delta = active_timers[QEMU_CLOCK_VIRTUAL]->expire_time - | |
2e70f6ef | 1192 | qemu_get_clock(vm_clock); |
21d5d12b JK |
1193 | } |
1194 | if (active_timers[QEMU_CLOCK_HOST]) { | |
1195 | int64_t hdelta = active_timers[QEMU_CLOCK_HOST]->expire_time - | |
1196 | qemu_get_clock(host_clock); | |
1197 | if (hdelta < delta) | |
1198 | delta = hdelta; | |
efe75411 TS |
1199 | } |
1200 | ||
2e70f6ef PB |
1201 | if (delta < 0) |
1202 | delta = 0; | |
efe75411 | 1203 | |
2e70f6ef PB |
1204 | return delta; |
1205 | } | |
1206 | ||
f64382ba | 1207 | #if defined(__linux__) |
2e70f6ef PB |
1208 | static uint64_t qemu_next_deadline_dyntick(void) |
1209 | { | |
1210 | int64_t delta; | |
1211 | int64_t rtdelta; | |
1212 | ||
1213 | if (use_icount) | |
1214 | delta = INT32_MAX; | |
1215 | else | |
1216 | delta = (qemu_next_deadline() + 999) / 1000; | |
1217 | ||
0fdddf80 JK |
1218 | if (active_timers[QEMU_CLOCK_REALTIME]) { |
1219 | rtdelta = (active_timers[QEMU_CLOCK_REALTIME]->expire_time - | |
2e70f6ef PB |
1220 | qemu_get_clock(rt_clock))*1000; |
1221 | if (rtdelta < delta) | |
1222 | delta = rtdelta; | |
1223 | } | |
1224 | ||
1225 | if (delta < MIN_TIMER_REARM_US) | |
1226 | delta = MIN_TIMER_REARM_US; | |
1227 | ||
1228 | return delta; | |
efe75411 | 1229 | } |
8632fb9a | 1230 | #endif |
efe75411 | 1231 | |
fd872598 FB |
1232 | #ifndef _WIN32 |
1233 | ||
7183b4b4 AL |
1234 | /* Sets a specific flag */ |
1235 | static int fcntl_setfl(int fd, int flag) | |
1236 | { | |
1237 | int flags; | |
1238 | ||
1239 | flags = fcntl(fd, F_GETFL); | |
1240 | if (flags == -1) | |
1241 | return -errno; | |
1242 | ||
1243 | if (fcntl(fd, F_SETFL, flags | flag) == -1) | |
1244 | return -errno; | |
1245 | ||
1246 | return 0; | |
1247 | } | |
1248 | ||
829309c7 FB |
1249 | #if defined(__linux__) |
1250 | ||
fd872598 FB |
1251 | #define RTC_FREQ 1024 |
1252 | ||
de9a95f0 | 1253 | static void enable_sigio_timer(int fd) |
c8994013 TS |
1254 | { |
1255 | struct sigaction act; | |
1256 | ||
1257 | /* timer signal */ | |
1258 | sigfillset(&act.sa_mask); | |
1259 | act.sa_flags = 0; | |
c8994013 TS |
1260 | act.sa_handler = host_alarm_handler; |
1261 | ||
1262 | sigaction(SIGIO, &act, NULL); | |
7183b4b4 | 1263 | fcntl_setfl(fd, O_ASYNC); |
c8994013 TS |
1264 | fcntl(fd, F_SETOWN, getpid()); |
1265 | } | |
829309c7 | 1266 | |
c40ec5a9 TS |
1267 | static int hpet_start_timer(struct qemu_alarm_timer *t) |
1268 | { | |
1269 | struct hpet_info info; | |
1270 | int r, fd; | |
1271 | ||
40ff6d7e | 1272 | fd = qemu_open("/dev/hpet", O_RDONLY); |
c40ec5a9 TS |
1273 | if (fd < 0) |
1274 | return -1; | |
1275 | ||
1276 | /* Set frequency */ | |
1277 | r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); | |
1278 | if (r < 0) { | |
1279 | fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" | |
1280 | "error, but for better emulation accuracy type:\n" | |
1281 | "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); | |
1282 | goto fail; | |
1283 | } | |
1284 | ||
1285 | /* Check capabilities */ | |
1286 | r = ioctl(fd, HPET_INFO, &info); | |
1287 | if (r < 0) | |
1288 | goto fail; | |
1289 | ||
1290 | /* Enable periodic mode */ | |
1291 | r = ioctl(fd, HPET_EPI, 0); | |
1292 | if (info.hi_flags && (r < 0)) | |
1293 | goto fail; | |
1294 | ||
1295 | /* Enable interrupt */ | |
1296 | r = ioctl(fd, HPET_IE_ON, 0); | |
1297 | if (r < 0) | |
1298 | goto fail; | |
1299 | ||
1300 | enable_sigio_timer(fd); | |
fcdc2129 | 1301 | t->priv = (void *)(long)fd; |
c40ec5a9 TS |
1302 | |
1303 | return 0; | |
1304 | fail: | |
1305 | close(fd); | |
1306 | return -1; | |
1307 | } | |
1308 | ||
1309 | static void hpet_stop_timer(struct qemu_alarm_timer *t) | |
1310 | { | |
fcdc2129 | 1311 | int fd = (long)t->priv; |
c40ec5a9 TS |
1312 | |
1313 | close(fd); | |
1314 | } | |
1315 | ||
c8994013 | 1316 | static int rtc_start_timer(struct qemu_alarm_timer *t) |
fd872598 | 1317 | { |
c8994013 | 1318 | int rtc_fd; |
b5a23ad4 | 1319 | unsigned long current_rtc_freq = 0; |
c8994013 | 1320 | |
40ff6d7e | 1321 | TFR(rtc_fd = qemu_open("/dev/rtc", O_RDONLY)); |
fd872598 FB |
1322 | if (rtc_fd < 0) |
1323 | return -1; | |
b5a23ad4 AZ |
1324 | ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); |
1325 | if (current_rtc_freq != RTC_FREQ && | |
1326 | ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
fd872598 FB |
1327 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" |
1328 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
1329 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
1330 | goto fail; | |
1331 | } | |
1332 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
1333 | fail: | |
1334 | close(rtc_fd); | |
1335 | return -1; | |
1336 | } | |
c8994013 TS |
1337 | |
1338 | enable_sigio_timer(rtc_fd); | |
1339 | ||
fcdc2129 | 1340 | t->priv = (void *)(long)rtc_fd; |
c8994013 | 1341 | |
fd872598 FB |
1342 | return 0; |
1343 | } | |
1344 | ||
c8994013 | 1345 | static void rtc_stop_timer(struct qemu_alarm_timer *t) |
829309c7 | 1346 | { |
fcdc2129 | 1347 | int rtc_fd = (long)t->priv; |
c8994013 TS |
1348 | |
1349 | close(rtc_fd); | |
829309c7 FB |
1350 | } |
1351 | ||
efe75411 TS |
1352 | static int dynticks_start_timer(struct qemu_alarm_timer *t) |
1353 | { | |
1354 | struct sigevent ev; | |
1355 | timer_t host_timer; | |
1356 | struct sigaction act; | |
1357 | ||
1358 | sigfillset(&act.sa_mask); | |
1359 | act.sa_flags = 0; | |
efe75411 TS |
1360 | act.sa_handler = host_alarm_handler; |
1361 | ||
1362 | sigaction(SIGALRM, &act, NULL); | |
1363 | ||
9ed415b2 JCD |
1364 | /* |
1365 | * Initialize ev struct to 0 to avoid valgrind complaining | |
1366 | * about uninitialized data in timer_create call | |
1367 | */ | |
1368 | memset(&ev, 0, sizeof(ev)); | |
efe75411 TS |
1369 | ev.sigev_value.sival_int = 0; |
1370 | ev.sigev_notify = SIGEV_SIGNAL; | |
1371 | ev.sigev_signo = SIGALRM; | |
1372 | ||
1373 | if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { | |
1374 | perror("timer_create"); | |
1375 | ||
1376 | /* disable dynticks */ | |
1377 | fprintf(stderr, "Dynamic Ticks disabled\n"); | |
1378 | ||
1379 | return -1; | |
1380 | } | |
1381 | ||
0399bfe0 | 1382 | t->priv = (void *)(long)host_timer; |
efe75411 TS |
1383 | |
1384 | return 0; | |
1385 | } | |
1386 | ||
1387 | static void dynticks_stop_timer(struct qemu_alarm_timer *t) | |
1388 | { | |
0399bfe0 | 1389 | timer_t host_timer = (timer_t)(long)t->priv; |
efe75411 TS |
1390 | |
1391 | timer_delete(host_timer); | |
1392 | } | |
1393 | ||
1394 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t) | |
1395 | { | |
0399bfe0 | 1396 | timer_t host_timer = (timer_t)(long)t->priv; |
efe75411 TS |
1397 | struct itimerspec timeout; |
1398 | int64_t nearest_delta_us = INT64_MAX; | |
1399 | int64_t current_us; | |
1400 | ||
0fdddf80 | 1401 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
21d5d12b JK |
1402 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
1403 | !active_timers[QEMU_CLOCK_HOST]) | |
d5d08334 | 1404 | return; |
efe75411 | 1405 | |
2e70f6ef | 1406 | nearest_delta_us = qemu_next_deadline_dyntick(); |
efe75411 TS |
1407 | |
1408 | /* check whether a timer is already running */ | |
1409 | if (timer_gettime(host_timer, &timeout)) { | |
1410 | perror("gettime"); | |
1411 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1412 | exit(1); | |
1413 | } | |
1414 | current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; | |
1415 | if (current_us && current_us <= nearest_delta_us) | |
1416 | return; | |
1417 | ||
1418 | timeout.it_interval.tv_sec = 0; | |
1419 | timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ | |
1420 | timeout.it_value.tv_sec = nearest_delta_us / 1000000; | |
1421 | timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; | |
1422 | if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { | |
1423 | perror("settime"); | |
1424 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1425 | exit(1); | |
1426 | } | |
1427 | } | |
1428 | ||
70744b3a | 1429 | #endif /* defined(__linux__) */ |
231c6586 | 1430 | |
c8994013 TS |
1431 | static int unix_start_timer(struct qemu_alarm_timer *t) |
1432 | { | |
1433 | struct sigaction act; | |
1434 | struct itimerval itv; | |
1435 | int err; | |
1436 | ||
1437 | /* timer signal */ | |
1438 | sigfillset(&act.sa_mask); | |
1439 | act.sa_flags = 0; | |
c8994013 TS |
1440 | act.sa_handler = host_alarm_handler; |
1441 | ||
1442 | sigaction(SIGALRM, &act, NULL); | |
1443 | ||
1444 | itv.it_interval.tv_sec = 0; | |
1445 | /* for i386 kernel 2.6 to get 1 ms */ | |
1446 | itv.it_interval.tv_usec = 999; | |
1447 | itv.it_value.tv_sec = 0; | |
1448 | itv.it_value.tv_usec = 10 * 1000; | |
1449 | ||
1450 | err = setitimer(ITIMER_REAL, &itv, NULL); | |
1451 | if (err) | |
1452 | return -1; | |
1453 | ||
1454 | return 0; | |
1455 | } | |
1456 | ||
1457 | static void unix_stop_timer(struct qemu_alarm_timer *t) | |
1458 | { | |
1459 | struct itimerval itv; | |
1460 | ||
1461 | memset(&itv, 0, sizeof(itv)); | |
1462 | setitimer(ITIMER_REAL, &itv, NULL); | |
1463 | } | |
1464 | ||
829309c7 | 1465 | #endif /* !defined(_WIN32) */ |
fd872598 | 1466 | |
f49e58dc | 1467 | |
c8994013 TS |
1468 | #ifdef _WIN32 |
1469 | ||
1470 | static int win32_start_timer(struct qemu_alarm_timer *t) | |
1471 | { | |
1472 | TIMECAPS tc; | |
1473 | struct qemu_alarm_win32 *data = t->priv; | |
efe75411 | 1474 | UINT flags; |
c8994013 | 1475 | |
c8994013 TS |
1476 | memset(&tc, 0, sizeof(tc)); |
1477 | timeGetDevCaps(&tc, sizeof(tc)); | |
1478 | ||
1479 | if (data->period < tc.wPeriodMin) | |
1480 | data->period = tc.wPeriodMin; | |
1481 | ||
1482 | timeBeginPeriod(data->period); | |
1483 | ||
efe75411 TS |
1484 | flags = TIME_CALLBACK_FUNCTION; |
1485 | if (alarm_has_dynticks(t)) | |
1486 | flags |= TIME_ONESHOT; | |
1487 | else | |
1488 | flags |= TIME_PERIODIC; | |
1489 | ||
c8994013 TS |
1490 | data->timerId = timeSetEvent(1, // interval (ms) |
1491 | data->period, // resolution | |
1492 | host_alarm_handler, // function | |
1493 | (DWORD)t, // parameter | |
efe75411 | 1494 | flags); |
c8994013 TS |
1495 | |
1496 | if (!data->timerId) { | |
20889d4e | 1497 | fprintf(stderr, "Failed to initialize win32 alarm timer: %ld\n", |
705e83f6 | 1498 | GetLastError()); |
c8994013 | 1499 | timeEndPeriod(data->period); |
c8994013 TS |
1500 | return -1; |
1501 | } | |
1502 | ||
c8994013 TS |
1503 | return 0; |
1504 | } | |
1505 | ||
1506 | static void win32_stop_timer(struct qemu_alarm_timer *t) | |
1507 | { | |
1508 | struct qemu_alarm_win32 *data = t->priv; | |
1509 | ||
1510 | timeKillEvent(data->timerId); | |
1511 | timeEndPeriod(data->period); | |
c8994013 TS |
1512 | } |
1513 | ||
efe75411 TS |
1514 | static void win32_rearm_timer(struct qemu_alarm_timer *t) |
1515 | { | |
1516 | struct qemu_alarm_win32 *data = t->priv; | |
efe75411 | 1517 | |
0fdddf80 | 1518 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
21d5d12b JK |
1519 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
1520 | !active_timers[QEMU_CLOCK_HOST]) | |
d5d08334 | 1521 | return; |
efe75411 | 1522 | |
efe75411 TS |
1523 | timeKillEvent(data->timerId); |
1524 | ||
1525 | data->timerId = timeSetEvent(1, | |
1526 | data->period, | |
1527 | host_alarm_handler, | |
1528 | (DWORD)t, | |
1529 | TIME_ONESHOT | TIME_PERIODIC); | |
1530 | ||
1531 | if (!data->timerId) { | |
20889d4e | 1532 | fprintf(stderr, "Failed to re-arm win32 alarm timer %ld\n", |
705e83f6 | 1533 | GetLastError()); |
efe75411 TS |
1534 | |
1535 | timeEndPeriod(data->period); | |
efe75411 TS |
1536 | exit(1); |
1537 | } | |
1538 | } | |
1539 | ||
c8994013 TS |
1540 | #endif /* _WIN32 */ |
1541 | ||
7183b4b4 | 1542 | static int init_timer_alarm(void) |
8a7ddc38 | 1543 | { |
223f0d72 | 1544 | struct qemu_alarm_timer *t = NULL; |
c8994013 | 1545 | int i, err = -1; |
f49e58dc | 1546 | |
c8994013 TS |
1547 | for (i = 0; alarm_timers[i].name; i++) { |
1548 | t = &alarm_timers[i]; | |
1549 | ||
c8994013 TS |
1550 | err = t->start(t); |
1551 | if (!err) | |
1552 | break; | |
67b915a5 | 1553 | } |
fd872598 | 1554 | |
c8994013 | 1555 | if (err) { |
7183b4b4 AL |
1556 | err = -ENOENT; |
1557 | goto fail; | |
67b915a5 | 1558 | } |
c8994013 TS |
1559 | |
1560 | alarm_timer = t; | |
7183b4b4 | 1561 | |
6abfbd79 | 1562 | return 0; |
7183b4b4 AL |
1563 | |
1564 | fail: | |
7183b4b4 | 1565 | return err; |
8a7ddc38 FB |
1566 | } |
1567 | ||
9596ebb7 | 1568 | static void quit_timers(void) |
40c3bac3 | 1569 | { |
c8994013 TS |
1570 | alarm_timer->stop(alarm_timer); |
1571 | alarm_timer = NULL; | |
40c3bac3 FB |
1572 | } |
1573 | ||
f6503059 AZ |
1574 | /***********************************************************/ |
1575 | /* host time/date access */ | |
1576 | void qemu_get_timedate(struct tm *tm, int offset) | |
1577 | { | |
1578 | time_t ti; | |
1579 | struct tm *ret; | |
1580 | ||
1581 | time(&ti); | |
1582 | ti += offset; | |
1583 | if (rtc_date_offset == -1) { | |
1584 | if (rtc_utc) | |
1585 | ret = gmtime(&ti); | |
1586 | else | |
1587 | ret = localtime(&ti); | |
1588 | } else { | |
1589 | ti -= rtc_date_offset; | |
1590 | ret = gmtime(&ti); | |
1591 | } | |
1592 | ||
1593 | memcpy(tm, ret, sizeof(struct tm)); | |
1594 | } | |
1595 | ||
1596 | int qemu_timedate_diff(struct tm *tm) | |
1597 | { | |
1598 | time_t seconds; | |
1599 | ||
1600 | if (rtc_date_offset == -1) | |
1601 | if (rtc_utc) | |
1602 | seconds = mktimegm(tm); | |
1603 | else | |
1604 | seconds = mktime(tm); | |
1605 | else | |
1606 | seconds = mktimegm(tm) + rtc_date_offset; | |
1607 | ||
1608 | return seconds - time(NULL); | |
1609 | } | |
1610 | ||
1ed2fc1f JK |
1611 | static void configure_rtc_date_offset(const char *startdate, int legacy) |
1612 | { | |
1613 | time_t rtc_start_date; | |
1614 | struct tm tm; | |
1615 | ||
1616 | if (!strcmp(startdate, "now") && legacy) { | |
1617 | rtc_date_offset = -1; | |
1618 | } else { | |
1619 | if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", | |
1620 | &tm.tm_year, | |
1621 | &tm.tm_mon, | |
1622 | &tm.tm_mday, | |
1623 | &tm.tm_hour, | |
1624 | &tm.tm_min, | |
1625 | &tm.tm_sec) == 6) { | |
1626 | /* OK */ | |
1627 | } else if (sscanf(startdate, "%d-%d-%d", | |
1628 | &tm.tm_year, | |
1629 | &tm.tm_mon, | |
1630 | &tm.tm_mday) == 3) { | |
1631 | tm.tm_hour = 0; | |
1632 | tm.tm_min = 0; | |
1633 | tm.tm_sec = 0; | |
1634 | } else { | |
1635 | goto date_fail; | |
1636 | } | |
1637 | tm.tm_year -= 1900; | |
1638 | tm.tm_mon--; | |
1639 | rtc_start_date = mktimegm(&tm); | |
1640 | if (rtc_start_date == -1) { | |
1641 | date_fail: | |
1642 | fprintf(stderr, "Invalid date format. Valid formats are:\n" | |
1643 | "'2006-06-17T16:01:21' or '2006-06-17'\n"); | |
1644 | exit(1); | |
1645 | } | |
1646 | rtc_date_offset = time(NULL) - rtc_start_date; | |
1647 | } | |
1648 | } | |
1649 | ||
1650 | static void configure_rtc(QemuOpts *opts) | |
1651 | { | |
1652 | const char *value; | |
1653 | ||
1654 | value = qemu_opt_get(opts, "base"); | |
1655 | if (value) { | |
1656 | if (!strcmp(value, "utc")) { | |
1657 | rtc_utc = 1; | |
1658 | } else if (!strcmp(value, "localtime")) { | |
1659 | rtc_utc = 0; | |
1660 | } else { | |
1661 | configure_rtc_date_offset(value, 0); | |
1662 | } | |
1663 | } | |
6875204c JK |
1664 | value = qemu_opt_get(opts, "clock"); |
1665 | if (value) { | |
1666 | if (!strcmp(value, "host")) { | |
1667 | rtc_clock = host_clock; | |
1668 | } else if (!strcmp(value, "vm")) { | |
1669 | rtc_clock = vm_clock; | |
1670 | } else { | |
1671 | fprintf(stderr, "qemu: invalid option value '%s'\n", value); | |
1672 | exit(1); | |
1673 | } | |
1674 | } | |
1ed2fc1f JK |
1675 | #ifdef CONFIG_TARGET_I386 |
1676 | value = qemu_opt_get(opts, "driftfix"); | |
1677 | if (value) { | |
1678 | if (!strcmp(buf, "slew")) { | |
1679 | rtc_td_hack = 1; | |
1680 | } else if (!strcmp(buf, "none")) { | |
1681 | rtc_td_hack = 0; | |
1682 | } else { | |
1683 | fprintf(stderr, "qemu: invalid option value '%s'\n", value); | |
1684 | exit(1); | |
1685 | } | |
1686 | } | |
1687 | #endif | |
1688 | } | |
1689 | ||
fd1dff4b | 1690 | #ifdef _WIN32 |
fd1dff4b FB |
1691 | static void socket_cleanup(void) |
1692 | { | |
1693 | WSACleanup(); | |
1694 | } | |
82c643ff | 1695 | |
fd1dff4b FB |
1696 | static int socket_init(void) |
1697 | { | |
1698 | WSADATA Data; | |
1699 | int ret, err; | |
1700 | ||
1701 | ret = WSAStartup(MAKEWORD(2,2), &Data); | |
1702 | if (ret != 0) { | |
1703 | err = WSAGetLastError(); | |
1704 | fprintf(stderr, "WSAStartup: %d\n", err); | |
1705 | return -1; | |
1706 | } | |
1707 | atexit(socket_cleanup); | |
1708 | return 0; | |
1709 | } | |
64b7b733 AJ |
1710 | #endif |
1711 | ||
1ae26a18 AZ |
1712 | /***********************************************************/ |
1713 | /* Bluetooth support */ | |
1714 | static int nb_hcis; | |
1715 | static int cur_hci; | |
1716 | static struct HCIInfo *hci_table[MAX_NICS]; | |
dc72ac14 | 1717 | |
1ae26a18 AZ |
1718 | static struct bt_vlan_s { |
1719 | struct bt_scatternet_s net; | |
1720 | int id; | |
1721 | struct bt_vlan_s *next; | |
1722 | } *first_bt_vlan; | |
1723 | ||
1724 | /* find or alloc a new bluetooth "VLAN" */ | |
674bb261 | 1725 | static struct bt_scatternet_s *qemu_find_bt_vlan(int id) |
1ae26a18 AZ |
1726 | { |
1727 | struct bt_vlan_s **pvlan, *vlan; | |
1728 | for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { | |
1729 | if (vlan->id == id) | |
1730 | return &vlan->net; | |
1731 | } | |
1732 | vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); | |
1733 | vlan->id = id; | |
1734 | pvlan = &first_bt_vlan; | |
1735 | while (*pvlan != NULL) | |
1736 | pvlan = &(*pvlan)->next; | |
1737 | *pvlan = vlan; | |
1738 | return &vlan->net; | |
1739 | } | |
1740 | ||
1741 | static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) | |
1742 | { | |
1743 | } | |
1744 | ||
1745 | static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) | |
1746 | { | |
1747 | return -ENOTSUP; | |
1748 | } | |
1749 | ||
1750 | static struct HCIInfo null_hci = { | |
1751 | .cmd_send = null_hci_send, | |
1752 | .sco_send = null_hci_send, | |
1753 | .acl_send = null_hci_send, | |
1754 | .bdaddr_set = null_hci_addr_set, | |
1755 | }; | |
1756 | ||
1757 | struct HCIInfo *qemu_next_hci(void) | |
1758 | { | |
1759 | if (cur_hci == nb_hcis) | |
1760 | return &null_hci; | |
1761 | ||
1762 | return hci_table[cur_hci++]; | |
1763 | } | |
1764 | ||
dc72ac14 AZ |
1765 | static struct HCIInfo *hci_init(const char *str) |
1766 | { | |
1767 | char *endp; | |
1768 | struct bt_scatternet_s *vlan = 0; | |
1769 | ||
1770 | if (!strcmp(str, "null")) | |
1771 | /* null */ | |
1772 | return &null_hci; | |
1773 | else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) | |
1774 | /* host[:hciN] */ | |
1775 | return bt_host_hci(str[4] ? str + 5 : "hci0"); | |
1776 | else if (!strncmp(str, "hci", 3)) { | |
1777 | /* hci[,vlan=n] */ | |
1778 | if (str[3]) { | |
1779 | if (!strncmp(str + 3, ",vlan=", 6)) { | |
1780 | vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); | |
1781 | if (*endp) | |
1782 | vlan = 0; | |
1783 | } | |
1784 | } else | |
1785 | vlan = qemu_find_bt_vlan(0); | |
1786 | if (vlan) | |
1787 | return bt_new_hci(vlan); | |
1788 | } | |
1789 | ||
1790 | fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str); | |
1791 | ||
1792 | return 0; | |
1793 | } | |
1794 | ||
1795 | static int bt_hci_parse(const char *str) | |
1796 | { | |
1797 | struct HCIInfo *hci; | |
c227f099 | 1798 | bdaddr_t bdaddr; |
dc72ac14 AZ |
1799 | |
1800 | if (nb_hcis >= MAX_NICS) { | |
1801 | fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS); | |
1802 | return -1; | |
1803 | } | |
1804 | ||
1805 | hci = hci_init(str); | |
1806 | if (!hci) | |
1807 | return -1; | |
1808 | ||
1809 | bdaddr.b[0] = 0x52; | |
1810 | bdaddr.b[1] = 0x54; | |
1811 | bdaddr.b[2] = 0x00; | |
1812 | bdaddr.b[3] = 0x12; | |
1813 | bdaddr.b[4] = 0x34; | |
1814 | bdaddr.b[5] = 0x56 + nb_hcis; | |
1815 | hci->bdaddr_set(hci, bdaddr.b); | |
1816 | ||
1817 | hci_table[nb_hcis++] = hci; | |
1818 | ||
1819 | return 0; | |
1820 | } | |
1821 | ||
1822 | static void bt_vhci_add(int vlan_id) | |
1823 | { | |
1824 | struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); | |
1825 | ||
1826 | if (!vlan->slave) | |
1827 | fprintf(stderr, "qemu: warning: adding a VHCI to " | |
1828 | "an empty scatternet %i\n", vlan_id); | |
1829 | ||
1830 | bt_vhci_init(bt_new_hci(vlan)); | |
1831 | } | |
1832 | ||
1833 | static struct bt_device_s *bt_device_add(const char *opt) | |
1834 | { | |
1835 | struct bt_scatternet_s *vlan; | |
1836 | int vlan_id = 0; | |
1837 | char *endp = strstr(opt, ",vlan="); | |
1838 | int len = (endp ? endp - opt : strlen(opt)) + 1; | |
1839 | char devname[10]; | |
1840 | ||
1841 | pstrcpy(devname, MIN(sizeof(devname), len), opt); | |
1842 | ||
1843 | if (endp) { | |
1844 | vlan_id = strtol(endp + 6, &endp, 0); | |
1845 | if (*endp) { | |
1846 | fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); | |
1847 | return 0; | |
1848 | } | |
1849 | } | |
1850 | ||
1851 | vlan = qemu_find_bt_vlan(vlan_id); | |
1852 | ||
1853 | if (!vlan->slave) | |
1854 | fprintf(stderr, "qemu: warning: adding a slave device to " | |
1855 | "an empty scatternet %i\n", vlan_id); | |
1856 | ||
1857 | if (!strcmp(devname, "keyboard")) | |
1858 | return bt_keyboard_init(vlan); | |
1859 | ||
1860 | fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); | |
1861 | return 0; | |
1862 | } | |
1863 | ||
1864 | static int bt_parse(const char *opt) | |
1865 | { | |
1866 | const char *endp, *p; | |
1867 | int vlan; | |
1868 | ||
1869 | if (strstart(opt, "hci", &endp)) { | |
1870 | if (!*endp || *endp == ',') { | |
1871 | if (*endp) | |
1872 | if (!strstart(endp, ",vlan=", 0)) | |
1873 | opt = endp + 1; | |
1874 | ||
1875 | return bt_hci_parse(opt); | |
1876 | } | |
1877 | } else if (strstart(opt, "vhci", &endp)) { | |
1878 | if (!*endp || *endp == ',') { | |
1879 | if (*endp) { | |
1880 | if (strstart(endp, ",vlan=", &p)) { | |
1881 | vlan = strtol(p, (char **) &endp, 0); | |
1882 | if (*endp) { | |
1883 | fprintf(stderr, "qemu: bad scatternet '%s'\n", p); | |
1884 | return 1; | |
1885 | } | |
1886 | } else { | |
1887 | fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); | |
1888 | return 1; | |
1889 | } | |
1890 | } else | |
1891 | vlan = 0; | |
1892 | ||
1893 | bt_vhci_add(vlan); | |
1894 | return 0; | |
1895 | } | |
1896 | } else if (strstart(opt, "device:", &endp)) | |
1897 | return !bt_device_add(endp); | |
1898 | ||
1899 | fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); | |
1900 | return 1; | |
1901 | } | |
1902 | ||
1ae26a18 AZ |
1903 | /***********************************************************/ |
1904 | /* QEMU Block devices */ | |
1905 | ||
609497ab | 1906 | #define HD_ALIAS "index=%d,media=disk" |
e4bcb14c | 1907 | #define CDROM_ALIAS "index=2,media=cdrom" |
e4bcb14c | 1908 | #define FD_ALIAS "index=%d,if=floppy" |
609497ab AZ |
1909 | #define PFLASH_ALIAS "if=pflash" |
1910 | #define MTD_ALIAS "if=mtd" | |
9d413d1d | 1911 | #define SD_ALIAS "index=0,if=sd" |
e4bcb14c | 1912 | |
9dfd7c7a | 1913 | QemuOpts *drive_add(const char *file, const char *fmt, ...) |
e4bcb14c TS |
1914 | { |
1915 | va_list ap; | |
9dfd7c7a GH |
1916 | char optstr[1024]; |
1917 | QemuOpts *opts; | |
e4bcb14c | 1918 | |
e4bcb14c | 1919 | va_start(ap, fmt); |
9dfd7c7a | 1920 | vsnprintf(optstr, sizeof(optstr), fmt, ap); |
e4bcb14c TS |
1921 | va_end(ap); |
1922 | ||
7282a033 | 1923 | opts = qemu_opts_parse(&qemu_drive_opts, optstr, NULL); |
9dfd7c7a GH |
1924 | if (!opts) { |
1925 | fprintf(stderr, "%s: huh? duplicate? (%s)\n", | |
1926 | __FUNCTION__, optstr); | |
1927 | return NULL; | |
1928 | } | |
1929 | if (file) | |
1930 | qemu_opt_set(opts, "file", file); | |
1931 | return opts; | |
b01b1111 AL |
1932 | } |
1933 | ||
751c6a17 | 1934 | DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit) |
e4bcb14c | 1935 | { |
751c6a17 | 1936 | DriveInfo *dinfo; |
e4bcb14c TS |
1937 | |
1938 | /* seek interface, bus and unit */ | |
1939 | ||
72cf2d4f | 1940 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1941 | if (dinfo->type == type && |
1942 | dinfo->bus == bus && | |
1943 | dinfo->unit == unit) | |
1944 | return dinfo; | |
1945 | } | |
e4bcb14c | 1946 | |
751c6a17 | 1947 | return NULL; |
e4bcb14c TS |
1948 | } |
1949 | ||
2e810b36 | 1950 | DriveInfo *drive_get_by_id(const char *id) |
1dae12e6 GH |
1951 | { |
1952 | DriveInfo *dinfo; | |
1953 | ||
72cf2d4f | 1954 | QTAILQ_FOREACH(dinfo, &drives, next) { |
1dae12e6 GH |
1955 | if (strcmp(id, dinfo->id)) |
1956 | continue; | |
1957 | return dinfo; | |
1958 | } | |
1959 | return NULL; | |
1960 | } | |
1961 | ||
f60d39bc | 1962 | int drive_get_max_bus(BlockInterfaceType type) |
e4bcb14c TS |
1963 | { |
1964 | int max_bus; | |
751c6a17 | 1965 | DriveInfo *dinfo; |
e4bcb14c TS |
1966 | |
1967 | max_bus = -1; | |
72cf2d4f | 1968 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1969 | if(dinfo->type == type && |
1970 | dinfo->bus > max_bus) | |
1971 | max_bus = dinfo->bus; | |
e4bcb14c TS |
1972 | } |
1973 | return max_bus; | |
1974 | } | |
1975 | ||
fa879c64 AL |
1976 | const char *drive_get_serial(BlockDriverState *bdrv) |
1977 | { | |
751c6a17 | 1978 | DriveInfo *dinfo; |
fa879c64 | 1979 | |
72cf2d4f | 1980 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1981 | if (dinfo->bdrv == bdrv) |
1982 | return dinfo->serial; | |
1983 | } | |
fa879c64 AL |
1984 | |
1985 | return "\0"; | |
1986 | } | |
1987 | ||
f7850099 KW |
1988 | BlockInterfaceErrorAction drive_get_on_error( |
1989 | BlockDriverState *bdrv, int is_read) | |
428c5705 | 1990 | { |
751c6a17 | 1991 | DriveInfo *dinfo; |
428c5705 | 1992 | |
fc072ec4 KW |
1993 | if (is_read) { |
1994 | return BLOCK_ERR_REPORT; | |
1995 | } | |
1996 | ||
72cf2d4f | 1997 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 | 1998 | if (dinfo->bdrv == bdrv) |
e9b2e818 | 1999 | return is_read ? dinfo->on_read_error : dinfo->on_write_error; |
751c6a17 | 2000 | } |
428c5705 | 2001 | |
e9b2e818 | 2002 | return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC; |
428c5705 AL |
2003 | } |
2004 | ||
a1620fac AJ |
2005 | static void bdrv_format_print(void *opaque, const char *name) |
2006 | { | |
2007 | fprintf(stderr, " %s", name); | |
2008 | } | |
2009 | ||
56a14938 | 2010 | void drive_uninit(DriveInfo *dinfo) |
b01b1111 | 2011 | { |
56a14938 GH |
2012 | qemu_opts_del(dinfo->opts); |
2013 | bdrv_delete(dinfo->bdrv); | |
2014 | QTAILQ_REMOVE(&drives, dinfo, next); | |
2015 | qemu_free(dinfo); | |
b01b1111 AL |
2016 | } |
2017 | ||
e9b2e818 KW |
2018 | static int parse_block_error_action(const char *buf, int is_read) |
2019 | { | |
2020 | if (!strcmp(buf, "ignore")) { | |
2021 | return BLOCK_ERR_IGNORE; | |
2022 | } else if (!is_read && !strcmp(buf, "enospc")) { | |
2023 | return BLOCK_ERR_STOP_ENOSPC; | |
2024 | } else if (!strcmp(buf, "stop")) { | |
2025 | return BLOCK_ERR_STOP_ANY; | |
2026 | } else if (!strcmp(buf, "report")) { | |
2027 | return BLOCK_ERR_REPORT; | |
2028 | } else { | |
2029 | fprintf(stderr, "qemu: '%s' invalid %s error action\n", | |
2030 | buf, is_read ? "read" : "write"); | |
2031 | return -1; | |
2032 | } | |
2033 | } | |
2034 | ||
9dfd7c7a | 2035 | DriveInfo *drive_init(QemuOpts *opts, void *opaque, |
751c6a17 | 2036 | int *fatal_error) |
e4bcb14c | 2037 | { |
9dfd7c7a GH |
2038 | const char *buf; |
2039 | const char *file = NULL; | |
c8522bdf | 2040 | char devname[128]; |
9dfd7c7a | 2041 | const char *serial; |
c8522bdf | 2042 | const char *mediastr = ""; |
f60d39bc | 2043 | BlockInterfaceType type; |
e4bcb14c TS |
2044 | enum { MEDIA_DISK, MEDIA_CDROM } media; |
2045 | int bus_id, unit_id; | |
2046 | int cyls, heads, secs, translation; | |
1e72d3b7 | 2047 | BlockDriver *drv = NULL; |
4d73cd3b | 2048 | QEMUMachine *machine = opaque; |
e4bcb14c TS |
2049 | int max_devs; |
2050 | int index; | |
33f00271 | 2051 | int cache; |
5c6c3a6c | 2052 | int aio = 0; |
59f2689d | 2053 | int ro = 0; |
e9b2e818 KW |
2054 | int bdrv_flags; |
2055 | int on_read_error, on_write_error; | |
c2cc47a4 | 2056 | const char *devaddr; |
751c6a17 | 2057 | DriveInfo *dinfo; |
9dfd7c7a | 2058 | int snapshot = 0; |
e4bcb14c | 2059 | |
9dfd7c7a | 2060 | *fatal_error = 1; |
e4bcb14c | 2061 | |
e4bcb14c | 2062 | translation = BIOS_ATA_TRANSLATION_AUTO; |
0aa217e4 | 2063 | cache = 1; |
e4bcb14c | 2064 | |
4d007814 | 2065 | if (machine && machine->use_scsi) { |
f60d39bc | 2066 | type = IF_SCSI; |
e4bcb14c | 2067 | max_devs = MAX_SCSI_DEVS; |
363a37d5 | 2068 | pstrcpy(devname, sizeof(devname), "scsi"); |
e4bcb14c | 2069 | } else { |
f60d39bc | 2070 | type = IF_IDE; |
e4bcb14c | 2071 | max_devs = MAX_IDE_DEVS; |
363a37d5 | 2072 | pstrcpy(devname, sizeof(devname), "ide"); |
e4bcb14c TS |
2073 | } |
2074 | media = MEDIA_DISK; | |
2075 | ||
2076 | /* extract parameters */ | |
9dfd7c7a GH |
2077 | bus_id = qemu_opt_get_number(opts, "bus", 0); |
2078 | unit_id = qemu_opt_get_number(opts, "unit", -1); | |
2079 | index = qemu_opt_get_number(opts, "index", -1); | |
e4bcb14c | 2080 | |
9dfd7c7a GH |
2081 | cyls = qemu_opt_get_number(opts, "cyls", 0); |
2082 | heads = qemu_opt_get_number(opts, "heads", 0); | |
2083 | secs = qemu_opt_get_number(opts, "secs", 0); | |
e4bcb14c | 2084 | |
9dfd7c7a | 2085 | snapshot = qemu_opt_get_bool(opts, "snapshot", 0); |
59f2689d | 2086 | ro = qemu_opt_get_bool(opts, "readonly", 0); |
e4bcb14c | 2087 | |
9dfd7c7a GH |
2088 | file = qemu_opt_get(opts, "file"); |
2089 | serial = qemu_opt_get(opts, "serial"); | |
2090 | ||
2091 | if ((buf = qemu_opt_get(opts, "if")) != NULL) { | |
ae45d369 | 2092 | pstrcpy(devname, sizeof(devname), buf); |
e4bcb14c | 2093 | if (!strcmp(buf, "ide")) { |
f60d39bc | 2094 | type = IF_IDE; |
e4bcb14c TS |
2095 | max_devs = MAX_IDE_DEVS; |
2096 | } else if (!strcmp(buf, "scsi")) { | |
f60d39bc | 2097 | type = IF_SCSI; |
e4bcb14c TS |
2098 | max_devs = MAX_SCSI_DEVS; |
2099 | } else if (!strcmp(buf, "floppy")) { | |
f60d39bc | 2100 | type = IF_FLOPPY; |
e4bcb14c TS |
2101 | max_devs = 0; |
2102 | } else if (!strcmp(buf, "pflash")) { | |
f60d39bc | 2103 | type = IF_PFLASH; |
e4bcb14c TS |
2104 | max_devs = 0; |
2105 | } else if (!strcmp(buf, "mtd")) { | |
f60d39bc | 2106 | type = IF_MTD; |
e4bcb14c TS |
2107 | max_devs = 0; |
2108 | } else if (!strcmp(buf, "sd")) { | |
f60d39bc | 2109 | type = IF_SD; |
e4bcb14c | 2110 | max_devs = 0; |
6e02c38d AL |
2111 | } else if (!strcmp(buf, "virtio")) { |
2112 | type = IF_VIRTIO; | |
2113 | max_devs = 0; | |
62d23efa AL |
2114 | } else if (!strcmp(buf, "xen")) { |
2115 | type = IF_XEN; | |
2116 | max_devs = 0; | |
a8659e90 GH |
2117 | } else if (!strcmp(buf, "none")) { |
2118 | type = IF_NONE; | |
2119 | max_devs = 0; | |
62d23efa | 2120 | } else { |
9dfd7c7a | 2121 | fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf); |
751c6a17 | 2122 | return NULL; |
e4bcb14c TS |
2123 | } |
2124 | } | |
2125 | ||
e4bcb14c | 2126 | if (cyls || heads || secs) { |
5afe3f04 | 2127 | if (cyls < 1 || (type == IF_IDE && cyls > 16383)) { |
9dfd7c7a | 2128 | fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf); |
751c6a17 | 2129 | return NULL; |
e4bcb14c | 2130 | } |
5afe3f04 | 2131 | if (heads < 1 || (type == IF_IDE && heads > 16)) { |
9dfd7c7a | 2132 | fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf); |
751c6a17 | 2133 | return NULL; |
e4bcb14c | 2134 | } |
5afe3f04 | 2135 | if (secs < 1 || (type == IF_IDE && secs > 63)) { |
9dfd7c7a | 2136 | fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf); |
751c6a17 | 2137 | return NULL; |
e4bcb14c TS |
2138 | } |
2139 | } | |
2140 | ||
9dfd7c7a | 2141 | if ((buf = qemu_opt_get(opts, "trans")) != NULL) { |
e4bcb14c TS |
2142 | if (!cyls) { |
2143 | fprintf(stderr, | |
2144 | "qemu: '%s' trans must be used with cyls,heads and secs\n", | |
9dfd7c7a | 2145 | buf); |
751c6a17 | 2146 | return NULL; |
e4bcb14c TS |
2147 | } |
2148 | if (!strcmp(buf, "none")) | |
2149 | translation = BIOS_ATA_TRANSLATION_NONE; | |
2150 | else if (!strcmp(buf, "lba")) | |
2151 | translation = BIOS_ATA_TRANSLATION_LBA; | |
2152 | else if (!strcmp(buf, "auto")) | |
2153 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
2154 | else { | |
9dfd7c7a | 2155 | fprintf(stderr, "qemu: '%s' invalid translation type\n", buf); |
751c6a17 | 2156 | return NULL; |
e4bcb14c TS |
2157 | } |
2158 | } | |
2159 | ||
9dfd7c7a | 2160 | if ((buf = qemu_opt_get(opts, "media")) != NULL) { |
e4bcb14c TS |
2161 | if (!strcmp(buf, "disk")) { |
2162 | media = MEDIA_DISK; | |
2163 | } else if (!strcmp(buf, "cdrom")) { | |
2164 | if (cyls || secs || heads) { | |
2165 | fprintf(stderr, | |
9dfd7c7a | 2166 | "qemu: '%s' invalid physical CHS format\n", buf); |
751c6a17 | 2167 | return NULL; |
e4bcb14c TS |
2168 | } |
2169 | media = MEDIA_CDROM; | |
2170 | } else { | |
9dfd7c7a | 2171 | fprintf(stderr, "qemu: '%s' invalid media\n", buf); |
751c6a17 | 2172 | return NULL; |
e4bcb14c TS |
2173 | } |
2174 | } | |
2175 | ||
9dfd7c7a | 2176 | if ((buf = qemu_opt_get(opts, "cache")) != NULL) { |
9f7965c7 | 2177 | if (!strcmp(buf, "off") || !strcmp(buf, "none")) |
33f00271 | 2178 | cache = 0; |
9f7965c7 | 2179 | else if (!strcmp(buf, "writethrough")) |
33f00271 | 2180 | cache = 1; |
9f7965c7 AL |
2181 | else if (!strcmp(buf, "writeback")) |
2182 | cache = 2; | |
33f00271 AZ |
2183 | else { |
2184 | fprintf(stderr, "qemu: invalid cache option\n"); | |
751c6a17 | 2185 | return NULL; |
33f00271 AZ |
2186 | } |
2187 | } | |
2188 | ||
5c6c3a6c CH |
2189 | #ifdef CONFIG_LINUX_AIO |
2190 | if ((buf = qemu_opt_get(opts, "aio")) != NULL) { | |
2191 | if (!strcmp(buf, "threads")) | |
2192 | aio = 0; | |
2193 | else if (!strcmp(buf, "native")) | |
2194 | aio = 1; | |
2195 | else { | |
2196 | fprintf(stderr, "qemu: invalid aio option\n"); | |
2197 | return NULL; | |
2198 | } | |
2199 | } | |
2200 | #endif | |
2201 | ||
9dfd7c7a | 2202 | if ((buf = qemu_opt_get(opts, "format")) != NULL) { |
a1620fac AJ |
2203 | if (strcmp(buf, "?") == 0) { |
2204 | fprintf(stderr, "qemu: Supported formats:"); | |
2205 | bdrv_iterate_format(bdrv_format_print, NULL); | |
2206 | fprintf(stderr, "\n"); | |
751c6a17 | 2207 | return NULL; |
a1620fac | 2208 | } |
eb852011 | 2209 | drv = bdrv_find_whitelisted_format(buf); |
1e72d3b7 AJ |
2210 | if (!drv) { |
2211 | fprintf(stderr, "qemu: '%s' invalid format\n", buf); | |
751c6a17 | 2212 | return NULL; |
1e72d3b7 AJ |
2213 | } |
2214 | } | |
2215 | ||
e9b2e818 | 2216 | on_write_error = BLOCK_ERR_STOP_ENOSPC; |
9dfd7c7a | 2217 | if ((buf = qemu_opt_get(opts, "werror")) != NULL) { |
869a5c6d | 2218 | if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) { |
ea8a5d7f | 2219 | fprintf(stderr, "werror is no supported by this format\n"); |
751c6a17 | 2220 | return NULL; |
428c5705 | 2221 | } |
e9b2e818 KW |
2222 | |
2223 | on_write_error = parse_block_error_action(buf, 0); | |
2224 | if (on_write_error < 0) { | |
2225 | return NULL; | |
2226 | } | |
2227 | } | |
2228 | ||
2229 | on_read_error = BLOCK_ERR_REPORT; | |
2230 | if ((buf = qemu_opt_get(opts, "rerror")) != NULL) { | |
f35d68f0 | 2231 | if (type != IF_IDE && type != IF_VIRTIO) { |
e9b2e818 KW |
2232 | fprintf(stderr, "rerror is no supported by this format\n"); |
2233 | return NULL; | |
2234 | } | |
2235 | ||
2236 | on_read_error = parse_block_error_action(buf, 1); | |
2237 | if (on_read_error < 0) { | |
751c6a17 | 2238 | return NULL; |
428c5705 AL |
2239 | } |
2240 | } | |
2241 | ||
9dfd7c7a | 2242 | if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) { |
c2cc47a4 | 2243 | if (type != IF_VIRTIO) { |
9dfd7c7a | 2244 | fprintf(stderr, "addr is not supported\n"); |
751c6a17 | 2245 | return NULL; |
c2cc47a4 | 2246 | } |
c2cc47a4 MA |
2247 | } |
2248 | ||
e4bcb14c TS |
2249 | /* compute bus and unit according index */ |
2250 | ||
2251 | if (index != -1) { | |
2252 | if (bus_id != 0 || unit_id != -1) { | |
2253 | fprintf(stderr, | |
9dfd7c7a | 2254 | "qemu: index cannot be used with bus and unit\n"); |
751c6a17 | 2255 | return NULL; |
e4bcb14c TS |
2256 | } |
2257 | if (max_devs == 0) | |
2258 | { | |
2259 | unit_id = index; | |
2260 | bus_id = 0; | |
2261 | } else { | |
2262 | unit_id = index % max_devs; | |
2263 | bus_id = index / max_devs; | |
2264 | } | |
2265 | } | |
2266 | ||
2267 | /* if user doesn't specify a unit_id, | |
2268 | * try to find the first free | |
2269 | */ | |
2270 | ||
2271 | if (unit_id == -1) { | |
2272 | unit_id = 0; | |
751c6a17 | 2273 | while (drive_get(type, bus_id, unit_id) != NULL) { |
e4bcb14c TS |
2274 | unit_id++; |
2275 | if (max_devs && unit_id >= max_devs) { | |
2276 | unit_id -= max_devs; | |
2277 | bus_id++; | |
2278 | } | |
2279 | } | |
2280 | } | |
2281 | ||
2282 | /* check unit id */ | |
2283 | ||
2284 | if (max_devs && unit_id >= max_devs) { | |
9dfd7c7a GH |
2285 | fprintf(stderr, "qemu: unit %d too big (max is %d)\n", |
2286 | unit_id, max_devs - 1); | |
751c6a17 | 2287 | return NULL; |
e4bcb14c TS |
2288 | } |
2289 | ||
2290 | /* | |
2291 | * ignore multiple definitions | |
2292 | */ | |
2293 | ||
751c6a17 GH |
2294 | if (drive_get(type, bus_id, unit_id) != NULL) { |
2295 | *fatal_error = 0; | |
2296 | return NULL; | |
2297 | } | |
e4bcb14c TS |
2298 | |
2299 | /* init */ | |
2300 | ||
751c6a17 | 2301 | dinfo = qemu_mallocz(sizeof(*dinfo)); |
e23d9c4d | 2302 | if ((buf = qemu_opts_id(opts)) != NULL) { |
9dfd7c7a GH |
2303 | dinfo->id = qemu_strdup(buf); |
2304 | } else { | |
1dae12e6 | 2305 | /* no id supplied -> create one */ |
9dfd7c7a | 2306 | dinfo->id = qemu_mallocz(32); |
1dae12e6 GH |
2307 | if (type == IF_IDE || type == IF_SCSI) |
2308 | mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; | |
2309 | if (max_devs) | |
9dfd7c7a | 2310 | snprintf(dinfo->id, 32, "%s%i%s%i", |
1dae12e6 GH |
2311 | devname, bus_id, mediastr, unit_id); |
2312 | else | |
9dfd7c7a | 2313 | snprintf(dinfo->id, 32, "%s%s%i", |
1dae12e6 GH |
2314 | devname, mediastr, unit_id); |
2315 | } | |
1dae12e6 | 2316 | dinfo->bdrv = bdrv_new(dinfo->id); |
751c6a17 GH |
2317 | dinfo->devaddr = devaddr; |
2318 | dinfo->type = type; | |
2319 | dinfo->bus = bus_id; | |
2320 | dinfo->unit = unit_id; | |
e9b2e818 KW |
2321 | dinfo->on_read_error = on_read_error; |
2322 | dinfo->on_write_error = on_write_error; | |
9dfd7c7a GH |
2323 | dinfo->opts = opts; |
2324 | if (serial) | |
2325 | strncpy(dinfo->serial, serial, sizeof(serial)); | |
72cf2d4f | 2326 | QTAILQ_INSERT_TAIL(&drives, dinfo, next); |
e4bcb14c | 2327 | |
f60d39bc | 2328 | switch(type) { |
e4bcb14c TS |
2329 | case IF_IDE: |
2330 | case IF_SCSI: | |
62d23efa | 2331 | case IF_XEN: |
c219331e | 2332 | case IF_NONE: |
e4bcb14c TS |
2333 | switch(media) { |
2334 | case MEDIA_DISK: | |
2335 | if (cyls != 0) { | |
1dae12e6 GH |
2336 | bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs); |
2337 | bdrv_set_translation_hint(dinfo->bdrv, translation); | |
e4bcb14c TS |
2338 | } |
2339 | break; | |
2340 | case MEDIA_CDROM: | |
1dae12e6 | 2341 | bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM); |
e4bcb14c TS |
2342 | break; |
2343 | } | |
2344 | break; | |
2345 | case IF_SD: | |
2346 | /* FIXME: This isn't really a floppy, but it's a reasonable | |
2347 | approximation. */ | |
2348 | case IF_FLOPPY: | |
1dae12e6 | 2349 | bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY); |
e4bcb14c TS |
2350 | break; |
2351 | case IF_PFLASH: | |
2352 | case IF_MTD: | |
2353 | break; | |
d176c495 GH |
2354 | case IF_VIRTIO: |
2355 | /* add virtio block device */ | |
2356 | opts = qemu_opts_create(&qemu_device_opts, NULL, 0); | |
2357 | qemu_opt_set(opts, "driver", "virtio-blk-pci"); | |
2358 | qemu_opt_set(opts, "drive", dinfo->id); | |
2359 | if (devaddr) | |
2360 | qemu_opt_set(opts, "addr", devaddr); | |
2361 | break; | |
aae9460e PB |
2362 | case IF_COUNT: |
2363 | abort(); | |
e4bcb14c | 2364 | } |
9dfd7c7a | 2365 | if (!file) { |
751c6a17 GH |
2366 | *fatal_error = 0; |
2367 | return NULL; | |
2368 | } | |
33f00271 | 2369 | bdrv_flags = 0; |
9f7965c7 | 2370 | if (snapshot) { |
33f00271 | 2371 | bdrv_flags |= BDRV_O_SNAPSHOT; |
9f7965c7 AL |
2372 | cache = 2; /* always use write-back with snapshot */ |
2373 | } | |
2374 | if (cache == 0) /* no caching */ | |
2375 | bdrv_flags |= BDRV_O_NOCACHE; | |
2376 | else if (cache == 2) /* write-back */ | |
2377 | bdrv_flags |= BDRV_O_CACHE_WB; | |
5c6c3a6c CH |
2378 | |
2379 | if (aio == 1) { | |
2380 | bdrv_flags |= BDRV_O_NATIVE_AIO; | |
2381 | } else { | |
2382 | bdrv_flags &= ~BDRV_O_NATIVE_AIO; | |
2383 | } | |
2384 | ||
59f2689d NS |
2385 | if (ro == 1) { |
2386 | if (type == IF_IDE) { | |
2387 | fprintf(stderr, "qemu: readonly flag not supported for drive with ide interface\n"); | |
2388 | return NULL; | |
2389 | } | |
2390 | (void)bdrv_set_read_only(dinfo->bdrv, 1); | |
2391 | } | |
2392 | ||
1dae12e6 | 2393 | if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) { |
850810d0 JF |
2394 | fprintf(stderr, "qemu: could not open disk image %s: %s\n", |
2395 | file, strerror(errno)); | |
751c6a17 | 2396 | return NULL; |
e4bcb14c | 2397 | } |
5c6c3a6c | 2398 | |
1dae12e6 | 2399 | if (bdrv_key_required(dinfo->bdrv)) |
c0f4ce77 | 2400 | autostart = 0; |
751c6a17 GH |
2401 | *fatal_error = 0; |
2402 | return dinfo; | |
e4bcb14c TS |
2403 | } |
2404 | ||
9dfd7c7a GH |
2405 | static int drive_init_func(QemuOpts *opts, void *opaque) |
2406 | { | |
2407 | QEMUMachine *machine = opaque; | |
2408 | int fatal_error = 0; | |
2409 | ||
2410 | if (drive_init(opts, machine, &fatal_error) == NULL) { | |
2411 | if (fatal_error) | |
2412 | return 1; | |
2413 | } | |
2414 | return 0; | |
2415 | } | |
2416 | ||
2417 | static int drive_enable_snapshot(QemuOpts *opts, void *opaque) | |
2418 | { | |
2419 | if (NULL == qemu_opt_get(opts, "snapshot")) { | |
2420 | qemu_opt_set(opts, "snapshot", "on"); | |
2421 | } | |
2422 | return 0; | |
2423 | } | |
2424 | ||
76e30d0f JK |
2425 | void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque) |
2426 | { | |
2427 | boot_set_handler = func; | |
2428 | boot_set_opaque = opaque; | |
2429 | } | |
2430 | ||
2431 | int qemu_boot_set(const char *boot_devices) | |
2432 | { | |
2433 | if (!boot_set_handler) { | |
2434 | return -EINVAL; | |
2435 | } | |
2436 | return boot_set_handler(boot_set_opaque, boot_devices); | |
2437 | } | |
2438 | ||
ef3adf68 JK |
2439 | static int parse_bootdevices(char *devices) |
2440 | { | |
2441 | /* We just do some generic consistency checks */ | |
2442 | const char *p; | |
2443 | int bitmap = 0; | |
2444 | ||
2445 | for (p = devices; *p != '\0'; p++) { | |
2446 | /* Allowed boot devices are: | |
2447 | * a-b: floppy disk drives | |
2448 | * c-f: IDE disk drives | |
2449 | * g-m: machine implementation dependant drives | |
2450 | * n-p: network devices | |
2451 | * It's up to each machine implementation to check if the given boot | |
2452 | * devices match the actual hardware implementation and firmware | |
2453 | * features. | |
2454 | */ | |
2455 | if (*p < 'a' || *p > 'p') { | |
2456 | fprintf(stderr, "Invalid boot device '%c'\n", *p); | |
2457 | exit(1); | |
2458 | } | |
2459 | if (bitmap & (1 << (*p - 'a'))) { | |
2460 | fprintf(stderr, "Boot device '%c' was given twice\n", *p); | |
2461 | exit(1); | |
2462 | } | |
2463 | bitmap |= 1 << (*p - 'a'); | |
2464 | } | |
2465 | return bitmap; | |
2466 | } | |
2467 | ||
e0f084bf JK |
2468 | static void restore_boot_devices(void *opaque) |
2469 | { | |
2470 | char *standard_boot_devices = opaque; | |
2471 | ||
2472 | qemu_boot_set(standard_boot_devices); | |
2473 | ||
2474 | qemu_unregister_reset(restore_boot_devices, standard_boot_devices); | |
2475 | qemu_free(standard_boot_devices); | |
2476 | } | |
2477 | ||
268a362c AL |
2478 | static void numa_add(const char *optarg) |
2479 | { | |
2480 | char option[128]; | |
2481 | char *endptr; | |
2482 | unsigned long long value, endvalue; | |
2483 | int nodenr; | |
2484 | ||
2485 | optarg = get_opt_name(option, 128, optarg, ',') + 1; | |
2486 | if (!strcmp(option, "node")) { | |
2487 | if (get_param_value(option, 128, "nodeid", optarg) == 0) { | |
2488 | nodenr = nb_numa_nodes; | |
2489 | } else { | |
2490 | nodenr = strtoull(option, NULL, 10); | |
2491 | } | |
2492 | ||
2493 | if (get_param_value(option, 128, "mem", optarg) == 0) { | |
2494 | node_mem[nodenr] = 0; | |
2495 | } else { | |
2496 | value = strtoull(option, &endptr, 0); | |
2497 | switch (*endptr) { | |
2498 | case 0: case 'M': case 'm': | |
2499 | value <<= 20; | |
2500 | break; | |
2501 | case 'G': case 'g': | |
2502 | value <<= 30; | |
2503 | break; | |
2504 | } | |
2505 | node_mem[nodenr] = value; | |
2506 | } | |
2507 | if (get_param_value(option, 128, "cpus", optarg) == 0) { | |
2508 | node_cpumask[nodenr] = 0; | |
2509 | } else { | |
2510 | value = strtoull(option, &endptr, 10); | |
2511 | if (value >= 64) { | |
2512 | value = 63; | |
2513 | fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n"); | |
2514 | } else { | |
2515 | if (*endptr == '-') { | |
2516 | endvalue = strtoull(endptr+1, &endptr, 10); | |
2517 | if (endvalue >= 63) { | |
2518 | endvalue = 62; | |
2519 | fprintf(stderr, | |
2520 | "only 63 CPUs in NUMA mode supported.\n"); | |
2521 | } | |
2522 | value = (1 << (endvalue + 1)) - (1 << value); | |
2523 | } else { | |
2524 | value = 1 << value; | |
2525 | } | |
2526 | } | |
2527 | node_cpumask[nodenr] = value; | |
2528 | } | |
2529 | nb_numa_nodes++; | |
2530 | } | |
2531 | return; | |
2532 | } | |
2533 | ||
dc6b1c09 AP |
2534 | static void smp_parse(const char *optarg) |
2535 | { | |
2536 | int smp, sockets = 0, threads = 0, cores = 0; | |
2537 | char *endptr; | |
2538 | char option[128]; | |
2539 | ||
2540 | smp = strtoul(optarg, &endptr, 10); | |
2541 | if (endptr != optarg) { | |
2542 | if (*endptr == ',') { | |
2543 | endptr++; | |
2544 | } | |
2545 | } | |
2546 | if (get_param_value(option, 128, "sockets", endptr) != 0) | |
2547 | sockets = strtoull(option, NULL, 10); | |
2548 | if (get_param_value(option, 128, "cores", endptr) != 0) | |
2549 | cores = strtoull(option, NULL, 10); | |
2550 | if (get_param_value(option, 128, "threads", endptr) != 0) | |
2551 | threads = strtoull(option, NULL, 10); | |
2552 | if (get_param_value(option, 128, "maxcpus", endptr) != 0) | |
2553 | max_cpus = strtoull(option, NULL, 10); | |
2554 | ||
2555 | /* compute missing values, prefer sockets over cores over threads */ | |
2556 | if (smp == 0 || sockets == 0) { | |
2557 | sockets = sockets > 0 ? sockets : 1; | |
2558 | cores = cores > 0 ? cores : 1; | |
2559 | threads = threads > 0 ? threads : 1; | |
2560 | if (smp == 0) { | |
2561 | smp = cores * threads * sockets; | |
2562 | } else { | |
2563 | sockets = smp / (cores * threads); | |
2564 | } | |
2565 | } else { | |
2566 | if (cores == 0) { | |
2567 | threads = threads > 0 ? threads : 1; | |
2568 | cores = smp / (sockets * threads); | |
2569 | } else { | |
2570 | if (sockets == 0) { | |
2571 | sockets = smp / (cores * threads); | |
2572 | } else { | |
2573 | threads = smp / (cores * sockets); | |
2574 | } | |
2575 | } | |
2576 | } | |
2577 | smp_cpus = smp; | |
2578 | smp_cores = cores > 0 ? cores : 1; | |
2579 | smp_threads = threads > 0 ? threads : 1; | |
2580 | if (max_cpus == 0) | |
2581 | max_cpus = smp_cpus; | |
2582 | } | |
2583 | ||
a594cfbf FB |
2584 | /***********************************************************/ |
2585 | /* USB devices */ | |
2586 | ||
c0f4ce77 | 2587 | static int usb_device_add(const char *devname, int is_hotplug) |
a594cfbf FB |
2588 | { |
2589 | const char *p; | |
a5d2f727 | 2590 | USBDevice *dev = NULL; |
a594cfbf | 2591 | |
a5d2f727 | 2592 | if (!usb_enabled) |
a594cfbf FB |
2593 | return -1; |
2594 | ||
0958b4cc GH |
2595 | /* drivers with .usbdevice_name entry in USBDeviceInfo */ |
2596 | dev = usbdevice_create(devname); | |
2597 | if (dev) | |
2598 | goto done; | |
2599 | ||
a5d2f727 | 2600 | /* the other ones */ |
a594cfbf FB |
2601 | if (strstart(devname, "host:", &p)) { |
2602 | dev = usb_host_device_open(p); | |
6c9f886c | 2603 | } else if (strstart(devname, "net:", &p)) { |
13cf8f21 MM |
2604 | QemuOpts *opts; |
2605 | int idx; | |
6c9f886c | 2606 | |
13cf8f21 MM |
2607 | opts = qemu_opts_parse(&qemu_net_opts, p, NULL); |
2608 | if (!opts) { | |
6c9f886c | 2609 | return -1; |
13cf8f21 MM |
2610 | } |
2611 | ||
2612 | qemu_opt_set(opts, "type", "nic"); | |
2613 | qemu_opt_set(opts, "model", "usb"); | |
2614 | ||
f6b134ac | 2615 | idx = net_client_init(NULL, opts, 0); |
13cf8f21 MM |
2616 | if (idx == -1) { |
2617 | return -1; | |
2618 | } | |
2619 | ||
2620 | dev = usb_net_init(&nd_table[idx]); | |
dc72ac14 AZ |
2621 | } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { |
2622 | dev = usb_bt_init(devname[2] ? hci_init(p) : | |
2623 | bt_new_hci(qemu_find_bt_vlan(0))); | |
a594cfbf FB |
2624 | } else { |
2625 | return -1; | |
2626 | } | |
0d92ed30 PB |
2627 | if (!dev) |
2628 | return -1; | |
2629 | ||
a5d2f727 | 2630 | done: |
a594cfbf FB |
2631 | return 0; |
2632 | } | |
2633 | ||
1f3870ab AL |
2634 | static int usb_device_del(const char *devname) |
2635 | { | |
2636 | int bus_num, addr; | |
2637 | const char *p; | |
2638 | ||
5d0c5750 AL |
2639 | if (strstart(devname, "host:", &p)) |
2640 | return usb_host_device_close(p); | |
2641 | ||
a5d2f727 | 2642 | if (!usb_enabled) |
1f3870ab AL |
2643 | return -1; |
2644 | ||
2645 | p = strchr(devname, '.'); | |
2646 | if (!p) | |
2647 | return -1; | |
2648 | bus_num = strtoul(devname, NULL, 0); | |
2649 | addr = strtoul(p + 1, NULL, 0); | |
2650 | ||
a5d2f727 | 2651 | return usb_device_delete_addr(bus_num, addr); |
1f3870ab AL |
2652 | } |
2653 | ||
bd3c948d GH |
2654 | static int usb_parse(const char *cmdline) |
2655 | { | |
2656 | return usb_device_add(cmdline, 0); | |
2657 | } | |
2658 | ||
d54908a5 | 2659 | void do_usb_add(Monitor *mon, const QDict *qdict) |
a594cfbf | 2660 | { |
d54908a5 | 2661 | usb_device_add(qdict_get_str(qdict, "devname"), 1); |
a594cfbf FB |
2662 | } |
2663 | ||
d54908a5 | 2664 | void do_usb_del(Monitor *mon, const QDict *qdict) |
a594cfbf | 2665 | { |
d54908a5 | 2666 | usb_device_del(qdict_get_str(qdict, "devname")); |
a594cfbf FB |
2667 | } |
2668 | ||
201a51fc AZ |
2669 | /***********************************************************/ |
2670 | /* PCMCIA/Cardbus */ | |
2671 | ||
2672 | static struct pcmcia_socket_entry_s { | |
bc24a225 | 2673 | PCMCIASocket *socket; |
201a51fc AZ |
2674 | struct pcmcia_socket_entry_s *next; |
2675 | } *pcmcia_sockets = 0; | |
2676 | ||
bc24a225 | 2677 | void pcmcia_socket_register(PCMCIASocket *socket) |
201a51fc AZ |
2678 | { |
2679 | struct pcmcia_socket_entry_s *entry; | |
2680 | ||
2681 | entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); | |
2682 | entry->socket = socket; | |
2683 | entry->next = pcmcia_sockets; | |
2684 | pcmcia_sockets = entry; | |
2685 | } | |
2686 | ||
bc24a225 | 2687 | void pcmcia_socket_unregister(PCMCIASocket *socket) |
201a51fc AZ |
2688 | { |
2689 | struct pcmcia_socket_entry_s *entry, **ptr; | |
2690 | ||
2691 | ptr = &pcmcia_sockets; | |
2692 | for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) | |
2693 | if (entry->socket == socket) { | |
2694 | *ptr = entry->next; | |
2695 | qemu_free(entry); | |
2696 | } | |
2697 | } | |
2698 | ||
376253ec | 2699 | void pcmcia_info(Monitor *mon) |
201a51fc AZ |
2700 | { |
2701 | struct pcmcia_socket_entry_s *iter; | |
376253ec | 2702 | |
201a51fc | 2703 | if (!pcmcia_sockets) |
376253ec | 2704 | monitor_printf(mon, "No PCMCIA sockets\n"); |
201a51fc AZ |
2705 | |
2706 | for (iter = pcmcia_sockets; iter; iter = iter->next) | |
376253ec AL |
2707 | monitor_printf(mon, "%s: %s\n", iter->socket->slot_string, |
2708 | iter->socket->attached ? iter->socket->card_string : | |
2709 | "Empty"); | |
201a51fc AZ |
2710 | } |
2711 | ||
2ff89790 | 2712 | /***********************************************************/ |
3023f332 AL |
2713 | /* register display */ |
2714 | ||
7b5d76da AL |
2715 | struct DisplayAllocator default_allocator = { |
2716 | defaultallocator_create_displaysurface, | |
2717 | defaultallocator_resize_displaysurface, | |
2718 | defaultallocator_free_displaysurface | |
2719 | }; | |
2720 | ||
3023f332 AL |
2721 | void register_displaystate(DisplayState *ds) |
2722 | { | |
2723 | DisplayState **s; | |
2724 | s = &display_state; | |
2725 | while (*s != NULL) | |
2726 | s = &(*s)->next; | |
2727 | ds->next = NULL; | |
2728 | *s = ds; | |
2729 | } | |
2730 | ||
2731 | DisplayState *get_displaystate(void) | |
2732 | { | |
2733 | return display_state; | |
2734 | } | |
2735 | ||
7b5d76da AL |
2736 | DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da) |
2737 | { | |
2738 | if(ds->allocator == &default_allocator) ds->allocator = da; | |
2739 | return ds->allocator; | |
2740 | } | |
2741 | ||
2ff89790 TS |
2742 | /* dumb display */ |
2743 | ||
8f391ab4 | 2744 | static void dumb_display_init(void) |
2ff89790 | 2745 | { |
8f391ab4 | 2746 | DisplayState *ds = qemu_mallocz(sizeof(DisplayState)); |
7b5d76da AL |
2747 | ds->allocator = &default_allocator; |
2748 | ds->surface = qemu_create_displaysurface(ds, 640, 480); | |
8f391ab4 | 2749 | register_displaystate(ds); |
2ff89790 TS |
2750 | } |
2751 | ||
8a7ddc38 FB |
2752 | /***********************************************************/ |
2753 | /* I/O handling */ | |
0824d6fc | 2754 | |
c4b1fcc0 FB |
2755 | typedef struct IOHandlerRecord { |
2756 | int fd; | |
7c9d8e07 FB |
2757 | IOCanRWHandler *fd_read_poll; |
2758 | IOHandler *fd_read; | |
2759 | IOHandler *fd_write; | |
cafffd40 | 2760 | int deleted; |
c4b1fcc0 FB |
2761 | void *opaque; |
2762 | /* temporary data */ | |
2763 | struct pollfd *ufd; | |
8a7ddc38 | 2764 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
2765 | } IOHandlerRecord; |
2766 | ||
8a7ddc38 | 2767 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 2768 | |
7c9d8e07 FB |
2769 | /* XXX: fd_read_poll should be suppressed, but an API change is |
2770 | necessary in the character devices to suppress fd_can_read(). */ | |
5fafdf24 TS |
2771 | int qemu_set_fd_handler2(int fd, |
2772 | IOCanRWHandler *fd_read_poll, | |
2773 | IOHandler *fd_read, | |
2774 | IOHandler *fd_write, | |
7c9d8e07 | 2775 | void *opaque) |
c4b1fcc0 | 2776 | { |
7c9d8e07 | 2777 | IOHandlerRecord **pioh, *ioh; |
c4b1fcc0 | 2778 | |
7c9d8e07 FB |
2779 | if (!fd_read && !fd_write) { |
2780 | pioh = &first_io_handler; | |
2781 | for(;;) { | |
2782 | ioh = *pioh; | |
2783 | if (ioh == NULL) | |
2784 | break; | |
2785 | if (ioh->fd == fd) { | |
cafffd40 | 2786 | ioh->deleted = 1; |
7c9d8e07 FB |
2787 | break; |
2788 | } | |
2789 | pioh = &ioh->next; | |
2790 | } | |
2791 | } else { | |
2792 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
2793 | if (ioh->fd == fd) | |
2794 | goto found; | |
2795 | } | |
2796 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
7c9d8e07 FB |
2797 | ioh->next = first_io_handler; |
2798 | first_io_handler = ioh; | |
2799 | found: | |
2800 | ioh->fd = fd; | |
2801 | ioh->fd_read_poll = fd_read_poll; | |
2802 | ioh->fd_read = fd_read; | |
2803 | ioh->fd_write = fd_write; | |
2804 | ioh->opaque = opaque; | |
cafffd40 | 2805 | ioh->deleted = 0; |
7c9d8e07 | 2806 | } |
c4b1fcc0 FB |
2807 | return 0; |
2808 | } | |
2809 | ||
5fafdf24 TS |
2810 | int qemu_set_fd_handler(int fd, |
2811 | IOHandler *fd_read, | |
2812 | IOHandler *fd_write, | |
7c9d8e07 | 2813 | void *opaque) |
8a7ddc38 | 2814 | { |
7c9d8e07 | 2815 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
8a7ddc38 FB |
2816 | } |
2817 | ||
56f3a5d0 | 2818 | #ifdef _WIN32 |
f331110f FB |
2819 | /***********************************************************/ |
2820 | /* Polling handling */ | |
2821 | ||
2822 | typedef struct PollingEntry { | |
2823 | PollingFunc *func; | |
2824 | void *opaque; | |
2825 | struct PollingEntry *next; | |
2826 | } PollingEntry; | |
2827 | ||
2828 | static PollingEntry *first_polling_entry; | |
2829 | ||
2830 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) | |
2831 | { | |
2832 | PollingEntry **ppe, *pe; | |
2833 | pe = qemu_mallocz(sizeof(PollingEntry)); | |
f331110f FB |
2834 | pe->func = func; |
2835 | pe->opaque = opaque; | |
2836 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); | |
2837 | *ppe = pe; | |
2838 | return 0; | |
2839 | } | |
2840 | ||
2841 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) | |
2842 | { | |
2843 | PollingEntry **ppe, *pe; | |
2844 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { | |
2845 | pe = *ppe; | |
2846 | if (pe->func == func && pe->opaque == opaque) { | |
2847 | *ppe = pe->next; | |
2848 | qemu_free(pe); | |
2849 | break; | |
2850 | } | |
2851 | } | |
2852 | } | |
2853 | ||
a18e524a FB |
2854 | /***********************************************************/ |
2855 | /* Wait objects support */ | |
2856 | typedef struct WaitObjects { | |
2857 | int num; | |
2858 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; | |
2859 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; | |
2860 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; | |
2861 | } WaitObjects; | |
2862 | ||
2863 | static WaitObjects wait_objects = {0}; | |
3b46e624 | 2864 | |
a18e524a FB |
2865 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
2866 | { | |
2867 | WaitObjects *w = &wait_objects; | |
2868 | ||
2869 | if (w->num >= MAXIMUM_WAIT_OBJECTS) | |
2870 | return -1; | |
2871 | w->events[w->num] = handle; | |
2872 | w->func[w->num] = func; | |
2873 | w->opaque[w->num] = opaque; | |
2874 | w->num++; | |
2875 | return 0; | |
2876 | } | |
2877 | ||
2878 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
2879 | { | |
2880 | int i, found; | |
2881 | WaitObjects *w = &wait_objects; | |
2882 | ||
2883 | found = 0; | |
2884 | for (i = 0; i < w->num; i++) { | |
2885 | if (w->events[i] == handle) | |
2886 | found = 1; | |
2887 | if (found) { | |
2888 | w->events[i] = w->events[i + 1]; | |
2889 | w->func[i] = w->func[i + 1]; | |
2890 | w->opaque[i] = w->opaque[i + 1]; | |
3b46e624 | 2891 | } |
a18e524a FB |
2892 | } |
2893 | if (found) | |
2894 | w->num--; | |
2895 | } | |
2896 | #endif | |
2897 | ||
8a7ddc38 FB |
2898 | /***********************************************************/ |
2899 | /* ram save/restore */ | |
2900 | ||
94fb0909 | 2901 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
475e4277 AL |
2902 | #define RAM_SAVE_FLAG_COMPRESS 0x02 |
2903 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
2904 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
2905 | #define RAM_SAVE_FLAG_EOS 0x10 | |
2906 | ||
2907 | static int is_dup_page(uint8_t *page, uint8_t ch) | |
8a7ddc38 | 2908 | { |
475e4277 AL |
2909 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
2910 | uint32_t *array = (uint32_t *)page; | |
2911 | int i; | |
3b46e624 | 2912 | |
475e4277 AL |
2913 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
2914 | if (array[i] != val) | |
2915 | return 0; | |
2916 | } | |
2917 | ||
2918 | return 1; | |
2919 | } | |
2920 | ||
2921 | static int ram_save_block(QEMUFile *f) | |
2922 | { | |
c227f099 AL |
2923 | static ram_addr_t current_addr = 0; |
2924 | ram_addr_t saved_addr = current_addr; | |
2925 | ram_addr_t addr = 0; | |
475e4277 AL |
2926 | int found = 0; |
2927 | ||
94a6b54f | 2928 | while (addr < last_ram_offset) { |
475e4277 | 2929 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { |
5579c7f3 | 2930 | uint8_t *p; |
475e4277 AL |
2931 | |
2932 | cpu_physical_memory_reset_dirty(current_addr, | |
2933 | current_addr + TARGET_PAGE_SIZE, | |
2934 | MIGRATION_DIRTY_FLAG); | |
2935 | ||
5579c7f3 | 2936 | p = qemu_get_ram_ptr(current_addr); |
475e4277 | 2937 | |
5579c7f3 | 2938 | if (is_dup_page(p, *p)) { |
475e4277 | 2939 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
5579c7f3 | 2940 | qemu_put_byte(f, *p); |
475e4277 AL |
2941 | } else { |
2942 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); | |
5579c7f3 | 2943 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
c88676f8 | 2944 | } |
475e4277 AL |
2945 | |
2946 | found = 1; | |
2947 | break; | |
c88676f8 | 2948 | } |
475e4277 | 2949 | addr += TARGET_PAGE_SIZE; |
94a6b54f | 2950 | current_addr = (saved_addr + addr) % last_ram_offset; |
8a7ddc38 | 2951 | } |
475e4277 AL |
2952 | |
2953 | return found; | |
8a7ddc38 FB |
2954 | } |
2955 | ||
84307938 | 2956 | static uint64_t bytes_transferred; |
475e4277 | 2957 | |
c227f099 | 2958 | static ram_addr_t ram_save_remaining(void) |
475e4277 | 2959 | { |
c227f099 AL |
2960 | ram_addr_t addr; |
2961 | ram_addr_t count = 0; | |
475e4277 | 2962 | |
94a6b54f | 2963 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
475e4277 AL |
2964 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
2965 | count++; | |
2966 | } | |
2967 | ||
2968 | return count; | |
2969 | } | |
2970 | ||
9f9e28cd GC |
2971 | uint64_t ram_bytes_remaining(void) |
2972 | { | |
2973 | return ram_save_remaining() * TARGET_PAGE_SIZE; | |
2974 | } | |
2975 | ||
2976 | uint64_t ram_bytes_transferred(void) | |
2977 | { | |
2978 | return bytes_transferred; | |
2979 | } | |
2980 | ||
2981 | uint64_t ram_bytes_total(void) | |
2982 | { | |
2983 | return last_ram_offset; | |
2984 | } | |
2985 | ||
f327aa0c | 2986 | static int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) |
475e4277 | 2987 | { |
c227f099 | 2988 | ram_addr_t addr; |
a0a3fd60 GC |
2989 | uint64_t bytes_transferred_last; |
2990 | double bwidth = 0; | |
2991 | uint64_t expected_time = 0; | |
475e4277 | 2992 | |
4ec7fcc7 JK |
2993 | if (stage < 0) { |
2994 | cpu_physical_memory_set_dirty_tracking(0); | |
2995 | return 0; | |
2996 | } | |
2997 | ||
9fa06385 | 2998 | if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { |
b0a46a33 JK |
2999 | qemu_file_set_error(f); |
3000 | return 0; | |
3001 | } | |
3002 | ||
475e4277 | 3003 | if (stage == 1) { |
84307938 JK |
3004 | bytes_transferred = 0; |
3005 | ||
475e4277 | 3006 | /* Make sure all dirty bits are set */ |
94a6b54f | 3007 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
475e4277 AL |
3008 | if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
3009 | cpu_physical_memory_set_dirty(addr); | |
3010 | } | |
b0a46a33 | 3011 | |
475e4277 AL |
3012 | /* Enable dirty memory tracking */ |
3013 | cpu_physical_memory_set_dirty_tracking(1); | |
3014 | ||
94a6b54f | 3015 | qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE); |
475e4277 AL |
3016 | } |
3017 | ||
a0a3fd60 GC |
3018 | bytes_transferred_last = bytes_transferred; |
3019 | bwidth = get_clock(); | |
3020 | ||
475e4277 AL |
3021 | while (!qemu_file_rate_limit(f)) { |
3022 | int ret; | |
3023 | ||
3024 | ret = ram_save_block(f); | |
9f9e28cd | 3025 | bytes_transferred += ret * TARGET_PAGE_SIZE; |
475e4277 AL |
3026 | if (ret == 0) /* no more blocks */ |
3027 | break; | |
3028 | } | |
3029 | ||
a0a3fd60 GC |
3030 | bwidth = get_clock() - bwidth; |
3031 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; | |
3032 | ||
3033 | /* if we haven't transferred anything this round, force expected_time to a | |
3034 | * a very high value, but without crashing */ | |
3035 | if (bwidth == 0) | |
3036 | bwidth = 0.000001; | |
3037 | ||
475e4277 | 3038 | /* try transferring iterative blocks of memory */ |
475e4277 | 3039 | if (stage == 3) { |
475e4277 | 3040 | /* flush all remaining blocks regardless of rate limiting */ |
9f9e28cd GC |
3041 | while (ram_save_block(f) != 0) { |
3042 | bytes_transferred += TARGET_PAGE_SIZE; | |
3043 | } | |
8215e914 | 3044 | cpu_physical_memory_set_dirty_tracking(0); |
475e4277 AL |
3045 | } |
3046 | ||
3047 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); | |
3048 | ||
a0a3fd60 GC |
3049 | expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
3050 | ||
3051 | return (stage == 2) && (expected_time <= migrate_max_downtime()); | |
475e4277 AL |
3052 | } |
3053 | ||
475e4277 AL |
3054 | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
3055 | { | |
c227f099 | 3056 | ram_addr_t addr; |
475e4277 AL |
3057 | int flags; |
3058 | ||
475e4277 AL |
3059 | if (version_id != 3) |
3060 | return -EINVAL; | |
3061 | ||
3062 | do { | |
3063 | addr = qemu_get_be64(f); | |
3064 | ||
3065 | flags = addr & ~TARGET_PAGE_MASK; | |
3066 | addr &= TARGET_PAGE_MASK; | |
3067 | ||
3068 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
94a6b54f | 3069 | if (addr != last_ram_offset) |
475e4277 AL |
3070 | return -EINVAL; |
3071 | } | |
3072 | ||
475e4277 AL |
3073 | if (flags & RAM_SAVE_FLAG_COMPRESS) { |
3074 | uint8_t ch = qemu_get_byte(f); | |
779c6bef AL |
3075 | memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); |
3076 | #ifndef _WIN32 | |
30868442 AL |
3077 | if (ch == 0 && |
3078 | (!kvm_enabled() || kvm_has_sync_mmu())) { | |
3079 | madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED); | |
779c6bef | 3080 | } |
30868442 | 3081 | #endif |
9a743e5b | 3082 | } else if (flags & RAM_SAVE_FLAG_PAGE) { |
5579c7f3 | 3083 | qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); |
9a743e5b JK |
3084 | } |
3085 | if (qemu_file_has_error(f)) { | |
3086 | return -EIO; | |
3087 | } | |
475e4277 AL |
3088 | } while (!(flags & RAM_SAVE_FLAG_EOS)); |
3089 | ||
8a7ddc38 FB |
3090 | return 0; |
3091 | } | |
3092 | ||
9e472e10 AL |
3093 | void qemu_service_io(void) |
3094 | { | |
d9f75a4e | 3095 | qemu_notify_event(); |
9e472e10 AL |
3096 | } |
3097 | ||
cc1daa40 FB |
3098 | /***********************************************************/ |
3099 | /* machine registration */ | |
3100 | ||
bdaf78e0 | 3101 | static QEMUMachine *first_machine = NULL; |
6f338c34 | 3102 | QEMUMachine *current_machine = NULL; |
cc1daa40 FB |
3103 | |
3104 | int qemu_register_machine(QEMUMachine *m) | |
3105 | { | |
3106 | QEMUMachine **pm; | |
3107 | pm = &first_machine; | |
3108 | while (*pm != NULL) | |
3109 | pm = &(*pm)->next; | |
3110 | m->next = NULL; | |
3111 | *pm = m; | |
3112 | return 0; | |
3113 | } | |
3114 | ||
9596ebb7 | 3115 | static QEMUMachine *find_machine(const char *name) |
cc1daa40 FB |
3116 | { |
3117 | QEMUMachine *m; | |
3118 | ||
3119 | for(m = first_machine; m != NULL; m = m->next) { | |
3120 | if (!strcmp(m->name, name)) | |
3121 | return m; | |
3f6599e6 MM |
3122 | if (m->alias && !strcmp(m->alias, name)) |
3123 | return m; | |
cc1daa40 FB |
3124 | } |
3125 | return NULL; | |
3126 | } | |
3127 | ||
0c257437 AL |
3128 | static QEMUMachine *find_default_machine(void) |
3129 | { | |
3130 | QEMUMachine *m; | |
3131 | ||
3132 | for(m = first_machine; m != NULL; m = m->next) { | |
3133 | if (m->is_default) { | |
3134 | return m; | |
3135 | } | |
3136 | } | |
3137 | return NULL; | |
3138 | } | |
3139 | ||
8a7ddc38 FB |
3140 | /***********************************************************/ |
3141 | /* main execution loop */ | |
3142 | ||
9596ebb7 | 3143 | static void gui_update(void *opaque) |
8a7ddc38 | 3144 | { |
7d957bd8 | 3145 | uint64_t interval = GUI_REFRESH_INTERVAL; |
740733bb | 3146 | DisplayState *ds = opaque; |
7d957bd8 AL |
3147 | DisplayChangeListener *dcl = ds->listeners; |
3148 | ||
3149 | dpy_refresh(ds); | |
3150 | ||
3151 | while (dcl != NULL) { | |
3152 | if (dcl->gui_timer_interval && | |
3153 | dcl->gui_timer_interval < interval) | |
3154 | interval = dcl->gui_timer_interval; | |
3155 | dcl = dcl->next; | |
3156 | } | |
3157 | qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock)); | |
8a7ddc38 FB |
3158 | } |
3159 | ||
9043b62d BS |
3160 | static void nographic_update(void *opaque) |
3161 | { | |
3162 | uint64_t interval = GUI_REFRESH_INTERVAL; | |
3163 | ||
3164 | qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock)); | |
3165 | } | |
3166 | ||
0bd48850 FB |
3167 | struct vm_change_state_entry { |
3168 | VMChangeStateHandler *cb; | |
3169 | void *opaque; | |
72cf2d4f | 3170 | QLIST_ENTRY (vm_change_state_entry) entries; |
0bd48850 FB |
3171 | }; |
3172 | ||
72cf2d4f | 3173 | static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; |
0bd48850 FB |
3174 | |
3175 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
3176 | void *opaque) | |
3177 | { | |
3178 | VMChangeStateEntry *e; | |
3179 | ||
3180 | e = qemu_mallocz(sizeof (*e)); | |
0bd48850 FB |
3181 | |
3182 | e->cb = cb; | |
3183 | e->opaque = opaque; | |
72cf2d4f | 3184 | QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
0bd48850 FB |
3185 | return e; |
3186 | } | |
3187 | ||
3188 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
3189 | { | |
72cf2d4f | 3190 | QLIST_REMOVE (e, entries); |
0bd48850 FB |
3191 | qemu_free (e); |
3192 | } | |
3193 | ||
9781e040 | 3194 | static void vm_state_notify(int running, int reason) |
0bd48850 FB |
3195 | { |
3196 | VMChangeStateEntry *e; | |
3197 | ||
3198 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
9781e040 | 3199 | e->cb(e->opaque, running, reason); |
0bd48850 FB |
3200 | } |
3201 | } | |
3202 | ||
d6dc3d42 AL |
3203 | static void resume_all_vcpus(void); |
3204 | static void pause_all_vcpus(void); | |
3205 | ||
8a7ddc38 FB |
3206 | void vm_start(void) |
3207 | { | |
3208 | if (!vm_running) { | |
3209 | cpu_enable_ticks(); | |
3210 | vm_running = 1; | |
9781e040 | 3211 | vm_state_notify(1, 0); |
efe75411 | 3212 | qemu_rearm_alarm_timer(alarm_timer); |
d6dc3d42 | 3213 | resume_all_vcpus(); |
8a7ddc38 FB |
3214 | } |
3215 | } | |
3216 | ||
bb0c6722 FB |
3217 | /* reset/shutdown handler */ |
3218 | ||
3219 | typedef struct QEMUResetEntry { | |
72cf2d4f | 3220 | QTAILQ_ENTRY(QEMUResetEntry) entry; |
bb0c6722 FB |
3221 | QEMUResetHandler *func; |
3222 | void *opaque; | |
bb0c6722 FB |
3223 | } QEMUResetEntry; |
3224 | ||
72cf2d4f BS |
3225 | static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers = |
3226 | QTAILQ_HEAD_INITIALIZER(reset_handlers); | |
bb0c6722 FB |
3227 | static int reset_requested; |
3228 | static int shutdown_requested; | |
3475187d | 3229 | static int powerdown_requested; |
e568902a | 3230 | static int debug_requested; |
6e29f5da | 3231 | static int vmstop_requested; |
bb0c6722 | 3232 | |
cf7a2fe2 AJ |
3233 | int qemu_shutdown_requested(void) |
3234 | { | |
3235 | int r = shutdown_requested; | |
3236 | shutdown_requested = 0; | |
3237 | return r; | |
3238 | } | |
3239 | ||
3240 | int qemu_reset_requested(void) | |
3241 | { | |
3242 | int r = reset_requested; | |
3243 | reset_requested = 0; | |
3244 | return r; | |
3245 | } | |
3246 | ||
3247 | int qemu_powerdown_requested(void) | |
3248 | { | |
3249 | int r = powerdown_requested; | |
3250 | powerdown_requested = 0; | |
3251 | return r; | |
3252 | } | |
3253 | ||
e568902a AL |
3254 | static int qemu_debug_requested(void) |
3255 | { | |
3256 | int r = debug_requested; | |
3257 | debug_requested = 0; | |
3258 | return r; | |
3259 | } | |
3260 | ||
6e29f5da AL |
3261 | static int qemu_vmstop_requested(void) |
3262 | { | |
3263 | int r = vmstop_requested; | |
3264 | vmstop_requested = 0; | |
3265 | return r; | |
3266 | } | |
3267 | ||
3268 | static void do_vm_stop(int reason) | |
3269 | { | |
3270 | if (vm_running) { | |
3271 | cpu_disable_ticks(); | |
3272 | vm_running = 0; | |
d6dc3d42 | 3273 | pause_all_vcpus(); |
6e29f5da AL |
3274 | vm_state_notify(0, reason); |
3275 | } | |
3276 | } | |
3277 | ||
a08d4367 | 3278 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
bb0c6722 | 3279 | { |
55ddfe8e | 3280 | QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry)); |
bb0c6722 | 3281 | |
bb0c6722 FB |
3282 | re->func = func; |
3283 | re->opaque = opaque; | |
72cf2d4f | 3284 | QTAILQ_INSERT_TAIL(&reset_handlers, re, entry); |
bb0c6722 FB |
3285 | } |
3286 | ||
dda9b29f | 3287 | void qemu_unregister_reset(QEMUResetHandler *func, void *opaque) |
bb0c6722 FB |
3288 | { |
3289 | QEMUResetEntry *re; | |
3290 | ||
72cf2d4f | 3291 | QTAILQ_FOREACH(re, &reset_handlers, entry) { |
dda9b29f | 3292 | if (re->func == func && re->opaque == opaque) { |
72cf2d4f | 3293 | QTAILQ_REMOVE(&reset_handlers, re, entry); |
dda9b29f JK |
3294 | qemu_free(re); |
3295 | return; | |
3296 | } | |
3297 | } | |
3298 | } | |
3299 | ||
3300 | void qemu_system_reset(void) | |
3301 | { | |
3302 | QEMUResetEntry *re, *nre; | |
3303 | ||
3304 | /* reset all devices */ | |
72cf2d4f | 3305 | QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) { |
bb0c6722 FB |
3306 | re->func(re->opaque); |
3307 | } | |
3308 | } | |
3309 | ||
3310 | void qemu_system_reset_request(void) | |
3311 | { | |
d1beab82 FB |
3312 | if (no_reboot) { |
3313 | shutdown_requested = 1; | |
3314 | } else { | |
3315 | reset_requested = 1; | |
3316 | } | |
d9f75a4e | 3317 | qemu_notify_event(); |
bb0c6722 FB |
3318 | } |
3319 | ||
3320 | void qemu_system_shutdown_request(void) | |
3321 | { | |
3322 | shutdown_requested = 1; | |
d9f75a4e | 3323 | qemu_notify_event(); |
bb0c6722 FB |
3324 | } |
3325 | ||
3475187d FB |
3326 | void qemu_system_powerdown_request(void) |
3327 | { | |
3328 | powerdown_requested = 1; | |
d9f75a4e AL |
3329 | qemu_notify_event(); |
3330 | } | |
3331 | ||
d6dc3d42 AL |
3332 | #ifdef CONFIG_IOTHREAD |
3333 | static void qemu_system_vmstop_request(int reason) | |
d9f75a4e | 3334 | { |
d6dc3d42 AL |
3335 | vmstop_requested = reason; |
3336 | qemu_notify_event(); | |
bb0c6722 | 3337 | } |
d6dc3d42 | 3338 | #endif |
bb0c6722 | 3339 | |
50317c7f AL |
3340 | #ifndef _WIN32 |
3341 | static int io_thread_fd = -1; | |
3342 | ||
3343 | static void qemu_event_increment(void) | |
3fcf7b6b | 3344 | { |
50317c7f AL |
3345 | static const char byte = 0; |
3346 | ||
3347 | if (io_thread_fd == -1) | |
3348 | return; | |
3349 | ||
3350 | write(io_thread_fd, &byte, sizeof(byte)); | |
3351 | } | |
3352 | ||
3353 | static void qemu_event_read(void *opaque) | |
3354 | { | |
3355 | int fd = (unsigned long)opaque; | |
3356 | ssize_t len; | |
3357 | ||
3358 | /* Drain the notify pipe */ | |
3359 | do { | |
3360 | char buffer[512]; | |
3361 | len = read(fd, buffer, sizeof(buffer)); | |
3362 | } while ((len == -1 && errno == EINTR) || len > 0); | |
3363 | } | |
3364 | ||
3365 | static int qemu_event_init(void) | |
3366 | { | |
3367 | int err; | |
3368 | int fds[2]; | |
3369 | ||
40ff6d7e | 3370 | err = qemu_pipe(fds); |
50317c7f AL |
3371 | if (err == -1) |
3372 | return -errno; | |
3373 | ||
3374 | err = fcntl_setfl(fds[0], O_NONBLOCK); | |
3375 | if (err < 0) | |
3376 | goto fail; | |
3377 | ||
3378 | err = fcntl_setfl(fds[1], O_NONBLOCK); | |
3379 | if (err < 0) | |
3380 | goto fail; | |
3381 | ||
3382 | qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL, | |
3383 | (void *)(unsigned long)fds[0]); | |
3384 | ||
3385 | io_thread_fd = fds[1]; | |
a7e21219 JK |
3386 | return 0; |
3387 | ||
50317c7f AL |
3388 | fail: |
3389 | close(fds[0]); | |
3390 | close(fds[1]); | |
3391 | return err; | |
3392 | } | |
3393 | #else | |
3394 | HANDLE qemu_event_handle; | |
3395 | ||
3396 | static void dummy_event_handler(void *opaque) | |
3397 | { | |
3398 | } | |
3399 | ||
3400 | static int qemu_event_init(void) | |
3401 | { | |
3402 | qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL); | |
3403 | if (!qemu_event_handle) { | |
20889d4e | 3404 | fprintf(stderr, "Failed CreateEvent: %ld\n", GetLastError()); |
50317c7f AL |
3405 | return -1; |
3406 | } | |
3407 | qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL); | |
3fcf7b6b AL |
3408 | return 0; |
3409 | } | |
3410 | ||
50317c7f AL |
3411 | static void qemu_event_increment(void) |
3412 | { | |
de1c90cf | 3413 | if (!SetEvent(qemu_event_handle)) { |
20889d4e | 3414 | fprintf(stderr, "qemu_event_increment: SetEvent failed: %ld\n", |
de1c90cf | 3415 | GetLastError()); |
3416 | exit (1); | |
3417 | } | |
50317c7f AL |
3418 | } |
3419 | #endif | |
3420 | ||
d6dc3d42 AL |
3421 | static int cpu_can_run(CPUState *env) |
3422 | { | |
3423 | if (env->stop) | |
3424 | return 0; | |
3425 | if (env->stopped) | |
3426 | return 0; | |
3427 | return 1; | |
3428 | } | |
3429 | ||
3430 | #ifndef CONFIG_IOTHREAD | |
50317c7f AL |
3431 | static int qemu_init_main_loop(void) |
3432 | { | |
3433 | return qemu_event_init(); | |
3434 | } | |
3435 | ||
0bf46a40 AL |
3436 | void qemu_init_vcpu(void *_env) |
3437 | { | |
3438 | CPUState *env = _env; | |
3439 | ||
3440 | if (kvm_enabled()) | |
3441 | kvm_init_vcpu(env); | |
dc6b1c09 AP |
3442 | env->nr_cores = smp_cores; |
3443 | env->nr_threads = smp_threads; | |
0bf46a40 AL |
3444 | return; |
3445 | } | |
3446 | ||
8edac960 AL |
3447 | int qemu_cpu_self(void *env) |
3448 | { | |
3449 | return 1; | |
3450 | } | |
3451 | ||
d6dc3d42 AL |
3452 | static void resume_all_vcpus(void) |
3453 | { | |
3454 | } | |
3455 | ||
3456 | static void pause_all_vcpus(void) | |
3457 | { | |
3458 | } | |
3459 | ||
8edac960 AL |
3460 | void qemu_cpu_kick(void *env) |
3461 | { | |
3462 | return; | |
3463 | } | |
3464 | ||
d6dc3d42 AL |
3465 | void qemu_notify_event(void) |
3466 | { | |
3467 | CPUState *env = cpu_single_env; | |
3468 | ||
3469 | if (env) { | |
3470 | cpu_exit(env); | |
4a1418e0 | 3471 | } |
d6dc3d42 AL |
3472 | } |
3473 | ||
d549db5a GC |
3474 | void qemu_mutex_lock_iothread(void) {} |
3475 | void qemu_mutex_unlock_iothread(void) {} | |
4870852c | 3476 | |
6e29f5da AL |
3477 | void vm_stop(int reason) |
3478 | { | |
3479 | do_vm_stop(reason); | |
3480 | } | |
3481 | ||
d6dc3d42 AL |
3482 | #else /* CONFIG_IOTHREAD */ |
3483 | ||
3484 | #include "qemu-thread.h" | |
3485 | ||
3486 | QemuMutex qemu_global_mutex; | |
3487 | static QemuMutex qemu_fair_mutex; | |
3488 | ||
3489 | static QemuThread io_thread; | |
3490 | ||
3491 | static QemuThread *tcg_cpu_thread; | |
3492 | static QemuCond *tcg_halt_cond; | |
3493 | ||
3494 | static int qemu_system_ready; | |
3495 | /* cpu creation */ | |
3496 | static QemuCond qemu_cpu_cond; | |
3497 | /* system init */ | |
3498 | static QemuCond qemu_system_cond; | |
3499 | static QemuCond qemu_pause_cond; | |
3500 | ||
3501 | static void block_io_signals(void); | |
3502 | static void unblock_io_signals(void); | |
3503 | static int tcg_has_work(void); | |
3504 | ||
3505 | static int qemu_init_main_loop(void) | |
3506 | { | |
3507 | int ret; | |
3508 | ||
3509 | ret = qemu_event_init(); | |
3510 | if (ret) | |
3511 | return ret; | |
3512 | ||
3513 | qemu_cond_init(&qemu_pause_cond); | |
3514 | qemu_mutex_init(&qemu_fair_mutex); | |
3515 | qemu_mutex_init(&qemu_global_mutex); | |
3516 | qemu_mutex_lock(&qemu_global_mutex); | |
3517 | ||
3518 | unblock_io_signals(); | |
3519 | qemu_thread_self(&io_thread); | |
3520 | ||
3521 | return 0; | |
3522 | } | |
3523 | ||
3524 | static void qemu_wait_io_event(CPUState *env) | |
3525 | { | |
3526 | while (!tcg_has_work()) | |
3527 | qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000); | |
3528 | ||
3529 | qemu_mutex_unlock(&qemu_global_mutex); | |
3530 | ||
3531 | /* | |
3532 | * Users of qemu_global_mutex can be starved, having no chance | |
3533 | * to acquire it since this path will get to it first. | |
3534 | * So use another lock to provide fairness. | |
3535 | */ | |
3536 | qemu_mutex_lock(&qemu_fair_mutex); | |
3537 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3538 | ||
3539 | qemu_mutex_lock(&qemu_global_mutex); | |
3540 | if (env->stop) { | |
3541 | env->stop = 0; | |
3542 | env->stopped = 1; | |
3543 | qemu_cond_signal(&qemu_pause_cond); | |
3544 | } | |
3545 | } | |
3546 | ||
3547 | static int qemu_cpu_exec(CPUState *env); | |
3548 | ||
3549 | static void *kvm_cpu_thread_fn(void *arg) | |
3550 | { | |
3551 | CPUState *env = arg; | |
3552 | ||
3553 | block_io_signals(); | |
3554 | qemu_thread_self(env->thread); | |
321c1cb1 JCD |
3555 | if (kvm_enabled()) |
3556 | kvm_init_vcpu(env); | |
d6dc3d42 AL |
3557 | |
3558 | /* signal CPU creation */ | |
3559 | qemu_mutex_lock(&qemu_global_mutex); | |
3560 | env->created = 1; | |
3561 | qemu_cond_signal(&qemu_cpu_cond); | |
3562 | ||
3563 | /* and wait for machine initialization */ | |
3564 | while (!qemu_system_ready) | |
3565 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3566 | ||
3567 | while (1) { | |
3568 | if (cpu_can_run(env)) | |
3569 | qemu_cpu_exec(env); | |
1c3173b9 | 3570 | qemu_wait_io_event(env); |
d6dc3d42 AL |
3571 | } |
3572 | ||
3573 | return NULL; | |
3574 | } | |
3575 | ||
3576 | static void tcg_cpu_exec(void); | |
3577 | ||
3578 | static void *tcg_cpu_thread_fn(void *arg) | |
3579 | { | |
3580 | CPUState *env = arg; | |
3581 | ||
3582 | block_io_signals(); | |
3583 | qemu_thread_self(env->thread); | |
3584 | ||
3585 | /* signal CPU creation */ | |
3586 | qemu_mutex_lock(&qemu_global_mutex); | |
3587 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
3588 | env->created = 1; | |
3589 | qemu_cond_signal(&qemu_cpu_cond); | |
3590 | ||
3591 | /* and wait for machine initialization */ | |
3592 | while (!qemu_system_ready) | |
3593 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3594 | ||
3595 | while (1) { | |
3596 | tcg_cpu_exec(); | |
3597 | qemu_wait_io_event(cur_cpu); | |
3598 | } | |
3599 | ||
3600 | return NULL; | |
3601 | } | |
3602 | ||
3603 | void qemu_cpu_kick(void *_env) | |
3604 | { | |
3605 | CPUState *env = _env; | |
3606 | qemu_cond_broadcast(env->halt_cond); | |
3607 | if (kvm_enabled()) | |
3608 | qemu_thread_signal(env->thread, SIGUSR1); | |
3609 | } | |
3610 | ||
e5bc201d | 3611 | int qemu_cpu_self(void *_env) |
d6dc3d42 | 3612 | { |
e5bc201d GC |
3613 | CPUState *env = _env; |
3614 | QemuThread this; | |
3615 | ||
3616 | qemu_thread_self(&this); | |
3617 | ||
3618 | return qemu_thread_equal(&this, env->thread); | |
d6dc3d42 AL |
3619 | } |
3620 | ||
3621 | static void cpu_signal(int sig) | |
3622 | { | |
3623 | if (cpu_single_env) | |
3624 | cpu_exit(cpu_single_env); | |
3625 | } | |
3626 | ||
3627 | static void block_io_signals(void) | |
3628 | { | |
3629 | sigset_t set; | |
3630 | struct sigaction sigact; | |
3631 | ||
3632 | sigemptyset(&set); | |
3633 | sigaddset(&set, SIGUSR2); | |
3634 | sigaddset(&set, SIGIO); | |
3635 | sigaddset(&set, SIGALRM); | |
3636 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3637 | ||
3638 | sigemptyset(&set); | |
3639 | sigaddset(&set, SIGUSR1); | |
3640 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3641 | ||
3642 | memset(&sigact, 0, sizeof(sigact)); | |
3643 | sigact.sa_handler = cpu_signal; | |
3644 | sigaction(SIGUSR1, &sigact, NULL); | |
3645 | } | |
3646 | ||
3647 | static void unblock_io_signals(void) | |
3648 | { | |
3649 | sigset_t set; | |
3650 | ||
3651 | sigemptyset(&set); | |
3652 | sigaddset(&set, SIGUSR2); | |
3653 | sigaddset(&set, SIGIO); | |
3654 | sigaddset(&set, SIGALRM); | |
3655 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3656 | ||
3657 | sigemptyset(&set); | |
3658 | sigaddset(&set, SIGUSR1); | |
3659 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3660 | } | |
3661 | ||
3662 | static void qemu_signal_lock(unsigned int msecs) | |
3663 | { | |
3664 | qemu_mutex_lock(&qemu_fair_mutex); | |
3665 | ||
3666 | while (qemu_mutex_trylock(&qemu_global_mutex)) { | |
3667 | qemu_thread_signal(tcg_cpu_thread, SIGUSR1); | |
3668 | if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs)) | |
3669 | break; | |
3670 | } | |
3671 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3672 | } | |
3673 | ||
d549db5a | 3674 | void qemu_mutex_lock_iothread(void) |
d6dc3d42 AL |
3675 | { |
3676 | if (kvm_enabled()) { | |
3677 | qemu_mutex_lock(&qemu_fair_mutex); | |
3678 | qemu_mutex_lock(&qemu_global_mutex); | |
3679 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3680 | } else | |
3681 | qemu_signal_lock(100); | |
3682 | } | |
3683 | ||
d549db5a | 3684 | void qemu_mutex_unlock_iothread(void) |
d6dc3d42 AL |
3685 | { |
3686 | qemu_mutex_unlock(&qemu_global_mutex); | |
3687 | } | |
3688 | ||
3689 | static int all_vcpus_paused(void) | |
3690 | { | |
3691 | CPUState *penv = first_cpu; | |
3692 | ||
3693 | while (penv) { | |
3694 | if (!penv->stopped) | |
3695 | return 0; | |
3696 | penv = (CPUState *)penv->next_cpu; | |
3697 | } | |
3698 | ||
3699 | return 1; | |
3700 | } | |
3701 | ||
3702 | static void pause_all_vcpus(void) | |
3703 | { | |
3704 | CPUState *penv = first_cpu; | |
3705 | ||
3706 | while (penv) { | |
3707 | penv->stop = 1; | |
3708 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3709 | qemu_cpu_kick(penv); | |
3710 | penv = (CPUState *)penv->next_cpu; | |
3711 | } | |
3712 | ||
3713 | while (!all_vcpus_paused()) { | |
3714 | qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100); | |
3715 | penv = first_cpu; | |
3716 | while (penv) { | |
3717 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3718 | penv = (CPUState *)penv->next_cpu; | |
3719 | } | |
3720 | } | |
3721 | } | |
3722 | ||
3723 | static void resume_all_vcpus(void) | |
3724 | { | |
3725 | CPUState *penv = first_cpu; | |
3726 | ||
3727 | while (penv) { | |
3728 | penv->stop = 0; | |
3729 | penv->stopped = 0; | |
3730 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3731 | qemu_cpu_kick(penv); | |
3732 | penv = (CPUState *)penv->next_cpu; | |
3733 | } | |
3734 | } | |
3735 | ||
3736 | static void tcg_init_vcpu(void *_env) | |
3737 | { | |
3738 | CPUState *env = _env; | |
3739 | /* share a single thread for all cpus with TCG */ | |
3740 | if (!tcg_cpu_thread) { | |
3741 | env->thread = qemu_mallocz(sizeof(QemuThread)); | |
3742 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
3743 | qemu_cond_init(env->halt_cond); | |
3744 | qemu_thread_create(env->thread, tcg_cpu_thread_fn, env); | |
3745 | while (env->created == 0) | |
3746 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
3747 | tcg_cpu_thread = env->thread; | |
3748 | tcg_halt_cond = env->halt_cond; | |
3749 | } else { | |
3750 | env->thread = tcg_cpu_thread; | |
3751 | env->halt_cond = tcg_halt_cond; | |
3752 | } | |
3753 | } | |
3754 | ||
3755 | static void kvm_start_vcpu(CPUState *env) | |
3756 | { | |
d6dc3d42 AL |
3757 | env->thread = qemu_mallocz(sizeof(QemuThread)); |
3758 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
3759 | qemu_cond_init(env->halt_cond); | |
3760 | qemu_thread_create(env->thread, kvm_cpu_thread_fn, env); | |
3761 | while (env->created == 0) | |
3762 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
3763 | } | |
3764 | ||
3765 | void qemu_init_vcpu(void *_env) | |
3766 | { | |
3767 | CPUState *env = _env; | |
3768 | ||
3769 | if (kvm_enabled()) | |
3770 | kvm_start_vcpu(env); | |
3771 | else | |
3772 | tcg_init_vcpu(env); | |
dc6b1c09 AP |
3773 | env->nr_cores = smp_cores; |
3774 | env->nr_threads = smp_threads; | |
d6dc3d42 AL |
3775 | } |
3776 | ||
3777 | void qemu_notify_event(void) | |
3778 | { | |
3779 | qemu_event_increment(); | |
3780 | } | |
3781 | ||
3782 | void vm_stop(int reason) | |
3783 | { | |
3784 | QemuThread me; | |
3785 | qemu_thread_self(&me); | |
3786 | ||
3787 | if (!qemu_thread_equal(&me, &io_thread)) { | |
3788 | qemu_system_vmstop_request(reason); | |
3789 | /* | |
3790 | * FIXME: should not return to device code in case | |
3791 | * vm_stop() has been requested. | |
3792 | */ | |
3793 | if (cpu_single_env) { | |
3794 | cpu_exit(cpu_single_env); | |
3795 | cpu_single_env->stop = 1; | |
3796 | } | |
3797 | return; | |
3798 | } | |
3799 | do_vm_stop(reason); | |
3800 | } | |
3801 | ||
3802 | #endif | |
3803 | ||
3804 | ||
877cf882 | 3805 | #ifdef _WIN32 |
69d6451c | 3806 | static void host_main_loop_wait(int *timeout) |
56f3a5d0 AL |
3807 | { |
3808 | int ret, ret2, i; | |
f331110f FB |
3809 | PollingEntry *pe; |
3810 | ||
c4b1fcc0 | 3811 | |
f331110f FB |
3812 | /* XXX: need to suppress polling by better using win32 events */ |
3813 | ret = 0; | |
3814 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { | |
3815 | ret |= pe->func(pe->opaque); | |
3816 | } | |
e6b1e558 | 3817 | if (ret == 0) { |
a18e524a FB |
3818 | int err; |
3819 | WaitObjects *w = &wait_objects; | |
3b46e624 | 3820 | |
56f3a5d0 | 3821 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); |
a18e524a FB |
3822 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
3823 | if (w->func[ret - WAIT_OBJECT_0]) | |
3824 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); | |
3b46e624 | 3825 | |
5fafdf24 | 3826 | /* Check for additional signaled events */ |
e6b1e558 | 3827 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
3b46e624 | 3828 | |
e6b1e558 TS |
3829 | /* Check if event is signaled */ |
3830 | ret2 = WaitForSingleObject(w->events[i], 0); | |
3831 | if(ret2 == WAIT_OBJECT_0) { | |
3832 | if (w->func[i]) | |
3833 | w->func[i](w->opaque[i]); | |
3834 | } else if (ret2 == WAIT_TIMEOUT) { | |
3835 | } else { | |
3836 | err = GetLastError(); | |
3837 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); | |
3b46e624 TS |
3838 | } |
3839 | } | |
a18e524a FB |
3840 | } else if (ret == WAIT_TIMEOUT) { |
3841 | } else { | |
3842 | err = GetLastError(); | |
e6b1e558 | 3843 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); |
a18e524a | 3844 | } |
f331110f | 3845 | } |
56f3a5d0 AL |
3846 | |
3847 | *timeout = 0; | |
3848 | } | |
3849 | #else | |
69d6451c | 3850 | static void host_main_loop_wait(int *timeout) |
56f3a5d0 AL |
3851 | { |
3852 | } | |
fd1dff4b | 3853 | #endif |
56f3a5d0 AL |
3854 | |
3855 | void main_loop_wait(int timeout) | |
3856 | { | |
3857 | IOHandlerRecord *ioh; | |
3858 | fd_set rfds, wfds, xfds; | |
3859 | int ret, nfds; | |
3860 | struct timeval tv; | |
3861 | ||
3862 | qemu_bh_update_timeout(&timeout); | |
3863 | ||
3864 | host_main_loop_wait(&timeout); | |
3865 | ||
fd1dff4b FB |
3866 | /* poll any events */ |
3867 | /* XXX: separate device handlers from system ones */ | |
6abfbd79 | 3868 | nfds = -1; |
fd1dff4b FB |
3869 | FD_ZERO(&rfds); |
3870 | FD_ZERO(&wfds); | |
e035649e | 3871 | FD_ZERO(&xfds); |
fd1dff4b | 3872 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
cafffd40 TS |
3873 | if (ioh->deleted) |
3874 | continue; | |
fd1dff4b FB |
3875 | if (ioh->fd_read && |
3876 | (!ioh->fd_read_poll || | |
3877 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
3878 | FD_SET(ioh->fd, &rfds); | |
3879 | if (ioh->fd > nfds) | |
3880 | nfds = ioh->fd; | |
3881 | } | |
3882 | if (ioh->fd_write) { | |
3883 | FD_SET(ioh->fd, &wfds); | |
3884 | if (ioh->fd > nfds) | |
3885 | nfds = ioh->fd; | |
3886 | } | |
3887 | } | |
3b46e624 | 3888 | |
56f3a5d0 AL |
3889 | tv.tv_sec = timeout / 1000; |
3890 | tv.tv_usec = (timeout % 1000) * 1000; | |
3891 | ||
d918f23e JK |
3892 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
3893 | ||
4870852c | 3894 | qemu_mutex_unlock_iothread(); |
e035649e | 3895 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); |
4870852c | 3896 | qemu_mutex_lock_iothread(); |
fd1dff4b | 3897 | if (ret > 0) { |
cafffd40 TS |
3898 | IOHandlerRecord **pioh; |
3899 | ||
3900 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
6ab43fdc | 3901 | if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { |
fd1dff4b | 3902 | ioh->fd_read(ioh->opaque); |
7c9d8e07 | 3903 | } |
6ab43fdc | 3904 | if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { |
fd1dff4b | 3905 | ioh->fd_write(ioh->opaque); |
c4b1fcc0 | 3906 | } |
b4608c04 | 3907 | } |
cafffd40 TS |
3908 | |
3909 | /* remove deleted IO handlers */ | |
3910 | pioh = &first_io_handler; | |
3911 | while (*pioh) { | |
3912 | ioh = *pioh; | |
3913 | if (ioh->deleted) { | |
3914 | *pioh = ioh->next; | |
3915 | qemu_free(ioh); | |
5fafdf24 | 3916 | } else |
cafffd40 TS |
3917 | pioh = &ioh->next; |
3918 | } | |
fd1dff4b | 3919 | } |
d918f23e JK |
3920 | |
3921 | slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0)); | |
b4608c04 | 3922 | |
50317c7f AL |
3923 | /* rearm timer, if not periodic */ |
3924 | if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { | |
3925 | alarm_timer->flags &= ~ALARM_FLAG_EXPIRED; | |
3926 | qemu_rearm_alarm_timer(alarm_timer); | |
3927 | } | |
3928 | ||
357c692c | 3929 | /* vm time timers */ |
d6dc3d42 AL |
3930 | if (vm_running) { |
3931 | if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) | |
0fdddf80 JK |
3932 | qemu_run_timers(&active_timers[QEMU_CLOCK_VIRTUAL], |
3933 | qemu_get_clock(vm_clock)); | |
d6dc3d42 | 3934 | } |
357c692c AL |
3935 | |
3936 | /* real time timers */ | |
0fdddf80 | 3937 | qemu_run_timers(&active_timers[QEMU_CLOCK_REALTIME], |
357c692c AL |
3938 | qemu_get_clock(rt_clock)); |
3939 | ||
21d5d12b JK |
3940 | qemu_run_timers(&active_timers[QEMU_CLOCK_HOST], |
3941 | qemu_get_clock(host_clock)); | |
3942 | ||
423f0742 PB |
3943 | /* Check bottom-halves last in case any of the earlier events triggered |
3944 | them. */ | |
3945 | qemu_bh_poll(); | |
3b46e624 | 3946 | |
5905b2e5 FB |
3947 | } |
3948 | ||
43b96858 | 3949 | static int qemu_cpu_exec(CPUState *env) |
5905b2e5 | 3950 | { |
43b96858 | 3951 | int ret; |
89bfc105 FB |
3952 | #ifdef CONFIG_PROFILER |
3953 | int64_t ti; | |
3954 | #endif | |
5905b2e5 | 3955 | |
89bfc105 | 3956 | #ifdef CONFIG_PROFILER |
43b96858 | 3957 | ti = profile_getclock(); |
89bfc105 | 3958 | #endif |
43b96858 AL |
3959 | if (use_icount) { |
3960 | int64_t count; | |
3961 | int decr; | |
3962 | qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); | |
3963 | env->icount_decr.u16.low = 0; | |
3964 | env->icount_extra = 0; | |
3965 | count = qemu_next_deadline(); | |
3966 | count = (count + (1 << icount_time_shift) - 1) | |
3967 | >> icount_time_shift; | |
3968 | qemu_icount += count; | |
3969 | decr = (count > 0xffff) ? 0xffff : count; | |
3970 | count -= decr; | |
3971 | env->icount_decr.u16.low = decr; | |
3972 | env->icount_extra = count; | |
3973 | } | |
3974 | ret = cpu_exec(env); | |
89bfc105 | 3975 | #ifdef CONFIG_PROFILER |
43b96858 | 3976 | qemu_time += profile_getclock() - ti; |
89bfc105 | 3977 | #endif |
43b96858 AL |
3978 | if (use_icount) { |
3979 | /* Fold pending instructions back into the | |
3980 | instruction counter, and clear the interrupt flag. */ | |
3981 | qemu_icount -= (env->icount_decr.u16.low | |
3982 | + env->icount_extra); | |
3983 | env->icount_decr.u32 = 0; | |
3984 | env->icount_extra = 0; | |
3985 | } | |
3986 | return ret; | |
3987 | } | |
3988 | ||
e6e35b1e AL |
3989 | static void tcg_cpu_exec(void) |
3990 | { | |
d6dc3d42 | 3991 | int ret = 0; |
e6e35b1e AL |
3992 | |
3993 | if (next_cpu == NULL) | |
3994 | next_cpu = first_cpu; | |
3995 | for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { | |
3996 | CPUState *env = cur_cpu = next_cpu; | |
3997 | ||
3998 | if (!vm_running) | |
3999 | break; | |
4000 | if (timer_alarm_pending) { | |
4001 | timer_alarm_pending = 0; | |
4002 | break; | |
4003 | } | |
d6dc3d42 AL |
4004 | if (cpu_can_run(env)) |
4005 | ret = qemu_cpu_exec(env); | |
e6e35b1e AL |
4006 | if (ret == EXCP_DEBUG) { |
4007 | gdb_set_stop_cpu(env); | |
4008 | debug_requested = 1; | |
4009 | break; | |
4010 | } | |
4011 | } | |
4012 | } | |
4013 | ||
43b96858 AL |
4014 | static int cpu_has_work(CPUState *env) |
4015 | { | |
d6dc3d42 AL |
4016 | if (env->stop) |
4017 | return 1; | |
4018 | if (env->stopped) | |
4019 | return 0; | |
43b96858 AL |
4020 | if (!env->halted) |
4021 | return 1; | |
4022 | if (qemu_cpu_has_work(env)) | |
4023 | return 1; | |
4024 | return 0; | |
4025 | } | |
4026 | ||
4027 | static int tcg_has_work(void) | |
4028 | { | |
4029 | CPUState *env; | |
4030 | ||
4031 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
4032 | if (cpu_has_work(env)) | |
4033 | return 1; | |
4034 | return 0; | |
4035 | } | |
4036 | ||
4037 | static int qemu_calculate_timeout(void) | |
4038 | { | |
b319820d | 4039 | #ifndef CONFIG_IOTHREAD |
43b96858 AL |
4040 | int timeout; |
4041 | ||
4042 | if (!vm_running) | |
4043 | timeout = 5000; | |
4044 | else if (tcg_has_work()) | |
4045 | timeout = 0; | |
4046 | else if (!use_icount) | |
4047 | timeout = 5000; | |
4048 | else { | |
4049 | /* XXX: use timeout computed from timers */ | |
4050 | int64_t add; | |
4051 | int64_t delta; | |
4052 | /* Advance virtual time to the next event. */ | |
4053 | if (use_icount == 1) { | |
4054 | /* When not using an adaptive execution frequency | |
4055 | we tend to get badly out of sync with real time, | |
4056 | so just delay for a reasonable amount of time. */ | |
4057 | delta = 0; | |
4058 | } else { | |
4059 | delta = cpu_get_icount() - cpu_get_clock(); | |
4060 | } | |
4061 | if (delta > 0) { | |
4062 | /* If virtual time is ahead of real time then just | |
4063 | wait for IO. */ | |
4064 | timeout = (delta / 1000000) + 1; | |
4065 | } else { | |
4066 | /* Wait for either IO to occur or the next | |
4067 | timer event. */ | |
4068 | add = qemu_next_deadline(); | |
4069 | /* We advance the timer before checking for IO. | |
4070 | Limit the amount we advance so that early IO | |
4071 | activity won't get the guest too far ahead. */ | |
4072 | if (add > 10000000) | |
4073 | add = 10000000; | |
4074 | delta += add; | |
4075 | add = (add + (1 << icount_time_shift) - 1) | |
4076 | >> icount_time_shift; | |
4077 | qemu_icount += add; | |
4078 | timeout = delta / 1000000; | |
4079 | if (timeout < 0) | |
4080 | timeout = 0; | |
4081 | } | |
4082 | } | |
4083 | ||
4084 | return timeout; | |
b319820d LC |
4085 | #else /* CONFIG_IOTHREAD */ |
4086 | return 1000; | |
4087 | #endif | |
43b96858 AL |
4088 | } |
4089 | ||
4090 | static int vm_can_run(void) | |
4091 | { | |
4092 | if (powerdown_requested) | |
4093 | return 0; | |
4094 | if (reset_requested) | |
4095 | return 0; | |
4096 | if (shutdown_requested) | |
4097 | return 0; | |
e568902a AL |
4098 | if (debug_requested) |
4099 | return 0; | |
43b96858 AL |
4100 | return 1; |
4101 | } | |
4102 | ||
d9c32310 BS |
4103 | qemu_irq qemu_system_powerdown; |
4104 | ||
43b96858 AL |
4105 | static void main_loop(void) |
4106 | { | |
6e29f5da | 4107 | int r; |
e6e35b1e | 4108 | |
d6dc3d42 AL |
4109 | #ifdef CONFIG_IOTHREAD |
4110 | qemu_system_ready = 1; | |
4111 | qemu_cond_broadcast(&qemu_system_cond); | |
4112 | #endif | |
4113 | ||
6e29f5da | 4114 | for (;;) { |
43b96858 | 4115 | do { |
e6e35b1e AL |
4116 | #ifdef CONFIG_PROFILER |
4117 | int64_t ti; | |
4118 | #endif | |
d6dc3d42 | 4119 | #ifndef CONFIG_IOTHREAD |
e6e35b1e | 4120 | tcg_cpu_exec(); |
d6dc3d42 | 4121 | #endif |
89bfc105 | 4122 | #ifdef CONFIG_PROFILER |
43b96858 | 4123 | ti = profile_getclock(); |
89bfc105 | 4124 | #endif |
43b96858 | 4125 | main_loop_wait(qemu_calculate_timeout()); |
89bfc105 | 4126 | #ifdef CONFIG_PROFILER |
43b96858 | 4127 | dev_time += profile_getclock() - ti; |
89bfc105 | 4128 | #endif |
e568902a | 4129 | } while (vm_can_run()); |
43b96858 | 4130 | |
b1a15e7e | 4131 | if (qemu_debug_requested()) { |
242cd003 | 4132 | monitor_protocol_event(QEVENT_DEBUG, NULL); |
e568902a | 4133 | vm_stop(EXCP_DEBUG); |
b1a15e7e | 4134 | } |
43b96858 | 4135 | if (qemu_shutdown_requested()) { |
242cd003 | 4136 | monitor_protocol_event(QEVENT_SHUTDOWN, NULL); |
43b96858 AL |
4137 | if (no_shutdown) { |
4138 | vm_stop(0); | |
4139 | no_shutdown = 0; | |
4140 | } else | |
4141 | break; | |
4142 | } | |
d6dc3d42 | 4143 | if (qemu_reset_requested()) { |
242cd003 | 4144 | monitor_protocol_event(QEVENT_RESET, NULL); |
d6dc3d42 | 4145 | pause_all_vcpus(); |
43b96858 | 4146 | qemu_system_reset(); |
d6dc3d42 AL |
4147 | resume_all_vcpus(); |
4148 | } | |
d9c32310 | 4149 | if (qemu_powerdown_requested()) { |
242cd003 | 4150 | monitor_protocol_event(QEVENT_POWERDOWN, NULL); |
d9c32310 BS |
4151 | qemu_irq_raise(qemu_system_powerdown); |
4152 | } | |
b1a15e7e | 4153 | if ((r = qemu_vmstop_requested())) { |
242cd003 | 4154 | monitor_protocol_event(QEVENT_STOP, NULL); |
6e29f5da | 4155 | vm_stop(r); |
b1a15e7e | 4156 | } |
b4608c04 | 4157 | } |
d6dc3d42 | 4158 | pause_all_vcpus(); |
b4608c04 FB |
4159 | } |
4160 | ||
9bd7e6d9 PB |
4161 | static void version(void) |
4162 | { | |
4a19f1ec | 4163 | printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); |
9bd7e6d9 PB |
4164 | } |
4165 | ||
15f82208 | 4166 | static void help(int exitcode) |
0824d6fc | 4167 | { |
9bd7e6d9 PB |
4168 | version(); |
4169 | printf("usage: %s [options] [disk_image]\n" | |
0824d6fc | 4170 | "\n" |
a20dd508 | 4171 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 4172 | "\n" |
5824d651 BS |
4173 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4174 | opt_help | |
4175 | #define DEFHEADING(text) stringify(text) "\n" | |
4176 | #include "qemu-options.h" | |
4177 | #undef DEF | |
4178 | #undef DEFHEADING | |
4179 | #undef GEN_DOCS | |
0824d6fc | 4180 | "\n" |
82c643ff | 4181 | "During emulation, the following keys are useful:\n" |
032a8c9e FB |
4182 | "ctrl-alt-f toggle full screen\n" |
4183 | "ctrl-alt-n switch to virtual console 'n'\n" | |
4184 | "ctrl-alt toggle mouse and keyboard grab\n" | |
82c643ff FB |
4185 | "\n" |
4186 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
4187 | , | |
0db63474 | 4188 | "qemu", |
a00bad7e | 4189 | DEFAULT_RAM_SIZE, |
7c9d8e07 | 4190 | #ifndef _WIN32 |
a00bad7e | 4191 | DEFAULT_NETWORK_SCRIPT, |
b46a8906 | 4192 | DEFAULT_NETWORK_DOWN_SCRIPT, |
7c9d8e07 | 4193 | #endif |
6e44ba7f | 4194 | DEFAULT_GDBSTUB_PORT, |
bce61846 | 4195 | "/tmp/qemu.log"); |
15f82208 | 4196 | exit(exitcode); |
0824d6fc FB |
4197 | } |
4198 | ||
cd6f1169 FB |
4199 | #define HAS_ARG 0x0001 |
4200 | ||
4201 | enum { | |
5824d651 BS |
4202 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4203 | opt_enum, | |
4204 | #define DEFHEADING(text) | |
4205 | #include "qemu-options.h" | |
4206 | #undef DEF | |
4207 | #undef DEFHEADING | |
4208 | #undef GEN_DOCS | |
cd6f1169 FB |
4209 | }; |
4210 | ||
4211 | typedef struct QEMUOption { | |
4212 | const char *name; | |
4213 | int flags; | |
4214 | int index; | |
4215 | } QEMUOption; | |
4216 | ||
dbed7e40 | 4217 | static const QEMUOption qemu_options[] = { |
cd6f1169 | 4218 | { "h", 0, QEMU_OPTION_h }, |
5824d651 BS |
4219 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4220 | { option, opt_arg, opt_enum }, | |
4221 | #define DEFHEADING(text) | |
4222 | #include "qemu-options.h" | |
4223 | #undef DEF | |
4224 | #undef DEFHEADING | |
4225 | #undef GEN_DOCS | |
cd6f1169 | 4226 | { NULL }, |
fc01f7e7 FB |
4227 | }; |
4228 | ||
1d14ffa9 | 4229 | #ifdef HAS_AUDIO |
6a36d84e | 4230 | struct soundhw soundhw[] = { |
b00052e4 | 4231 | #ifdef HAS_AUDIO_CHOICE |
4ce7ff6e | 4232 | #if defined(TARGET_I386) || defined(TARGET_MIPS) |
fd06c375 FB |
4233 | { |
4234 | "pcspk", | |
4235 | "PC speaker", | |
4236 | 0, | |
4237 | 1, | |
4238 | { .init_isa = pcspk_audio_init } | |
4239 | }, | |
4240 | #endif | |
4c9b53e3 | 4241 | |
4242 | #ifdef CONFIG_SB16 | |
6a36d84e FB |
4243 | { |
4244 | "sb16", | |
4245 | "Creative Sound Blaster 16", | |
4246 | 0, | |
4247 | 1, | |
4248 | { .init_isa = SB16_init } | |
4249 | }, | |
4c9b53e3 | 4250 | #endif |
6a36d84e | 4251 | |
cc53d26d | 4252 | #ifdef CONFIG_CS4231A |
4253 | { | |
4254 | "cs4231a", | |
4255 | "CS4231A", | |
4256 | 0, | |
4257 | 1, | |
4258 | { .init_isa = cs4231a_init } | |
4259 | }, | |
4260 | #endif | |
4261 | ||
1d14ffa9 | 4262 | #ifdef CONFIG_ADLIB |
6a36d84e FB |
4263 | { |
4264 | "adlib", | |
1d14ffa9 | 4265 | #ifdef HAS_YMF262 |
6a36d84e | 4266 | "Yamaha YMF262 (OPL3)", |
1d14ffa9 | 4267 | #else |
6a36d84e | 4268 | "Yamaha YM3812 (OPL2)", |
1d14ffa9 | 4269 | #endif |
6a36d84e FB |
4270 | 0, |
4271 | 1, | |
4272 | { .init_isa = Adlib_init } | |
4273 | }, | |
1d14ffa9 | 4274 | #endif |
6a36d84e | 4275 | |
1d14ffa9 | 4276 | #ifdef CONFIG_GUS |
6a36d84e FB |
4277 | { |
4278 | "gus", | |
4279 | "Gravis Ultrasound GF1", | |
4280 | 0, | |
4281 | 1, | |
4282 | { .init_isa = GUS_init } | |
4283 | }, | |
1d14ffa9 | 4284 | #endif |
6a36d84e | 4285 | |
4c9b53e3 | 4286 | #ifdef CONFIG_AC97 |
e5c9a13e AZ |
4287 | { |
4288 | "ac97", | |
4289 | "Intel 82801AA AC97 Audio", | |
4290 | 0, | |
4291 | 0, | |
4292 | { .init_pci = ac97_init } | |
4293 | }, | |
4c9b53e3 | 4294 | #endif |
e5c9a13e | 4295 | |
4c9b53e3 | 4296 | #ifdef CONFIG_ES1370 |
6a36d84e FB |
4297 | { |
4298 | "es1370", | |
4299 | "ENSONIQ AudioPCI ES1370", | |
4300 | 0, | |
4301 | 0, | |
4302 | { .init_pci = es1370_init } | |
4303 | }, | |
b00052e4 | 4304 | #endif |
6a36d84e | 4305 | |
4c9b53e3 | 4306 | #endif /* HAS_AUDIO_CHOICE */ |
4307 | ||
6a36d84e FB |
4308 | { NULL, NULL, 0, 0, { NULL } } |
4309 | }; | |
4310 | ||
4311 | static void select_soundhw (const char *optarg) | |
4312 | { | |
4313 | struct soundhw *c; | |
4314 | ||
4315 | if (*optarg == '?') { | |
4316 | show_valid_cards: | |
4317 | ||
4318 | printf ("Valid sound card names (comma separated):\n"); | |
4319 | for (c = soundhw; c->name; ++c) { | |
4320 | printf ("%-11s %s\n", c->name, c->descr); | |
4321 | } | |
4322 | printf ("\n-soundhw all will enable all of the above\n"); | |
1d14ffa9 FB |
4323 | exit (*optarg != '?'); |
4324 | } | |
4325 | else { | |
6a36d84e | 4326 | size_t l; |
1d14ffa9 FB |
4327 | const char *p; |
4328 | char *e; | |
4329 | int bad_card = 0; | |
4330 | ||
6a36d84e FB |
4331 | if (!strcmp (optarg, "all")) { |
4332 | for (c = soundhw; c->name; ++c) { | |
4333 | c->enabled = 1; | |
4334 | } | |
4335 | return; | |
4336 | } | |
1d14ffa9 | 4337 | |
6a36d84e | 4338 | p = optarg; |
1d14ffa9 FB |
4339 | while (*p) { |
4340 | e = strchr (p, ','); | |
4341 | l = !e ? strlen (p) : (size_t) (e - p); | |
6a36d84e FB |
4342 | |
4343 | for (c = soundhw; c->name; ++c) { | |
b3d6fb4a | 4344 | if (!strncmp (c->name, p, l) && !c->name[l]) { |
6a36d84e | 4345 | c->enabled = 1; |
1d14ffa9 FB |
4346 | break; |
4347 | } | |
4348 | } | |
6a36d84e FB |
4349 | |
4350 | if (!c->name) { | |
1d14ffa9 FB |
4351 | if (l > 80) { |
4352 | fprintf (stderr, | |
4353 | "Unknown sound card name (too big to show)\n"); | |
4354 | } | |
4355 | else { | |
4356 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
4357 | (int) l, p); | |
4358 | } | |
4359 | bad_card = 1; | |
4360 | } | |
4361 | p += l + (e != NULL); | |
4362 | } | |
4363 | ||
4364 | if (bad_card) | |
4365 | goto show_valid_cards; | |
4366 | } | |
4367 | } | |
4368 | #endif | |
4369 | ||
3893c124 | 4370 | static void select_vgahw (const char *p) |
4371 | { | |
4372 | const char *opts; | |
4373 | ||
86176759 | 4374 | vga_interface_type = VGA_NONE; |
3893c124 | 4375 | if (strstart(p, "std", &opts)) { |
86176759 | 4376 | vga_interface_type = VGA_STD; |
3893c124 | 4377 | } else if (strstart(p, "cirrus", &opts)) { |
86176759 | 4378 | vga_interface_type = VGA_CIRRUS; |
3893c124 | 4379 | } else if (strstart(p, "vmware", &opts)) { |
86176759 | 4380 | vga_interface_type = VGA_VMWARE; |
94909d9f | 4381 | } else if (strstart(p, "xenfb", &opts)) { |
86176759 | 4382 | vga_interface_type = VGA_XENFB; |
28b85ed8 | 4383 | } else if (!strstart(p, "none", &opts)) { |
3893c124 | 4384 | invalid_vga: |
4385 | fprintf(stderr, "Unknown vga type: %s\n", p); | |
4386 | exit(1); | |
4387 | } | |
cb5a7aa8 | 4388 | while (*opts) { |
4389 | const char *nextopt; | |
4390 | ||
4391 | if (strstart(opts, ",retrace=", &nextopt)) { | |
4392 | opts = nextopt; | |
4393 | if (strstart(opts, "dumb", &nextopt)) | |
4394 | vga_retrace_method = VGA_RETRACE_DUMB; | |
4395 | else if (strstart(opts, "precise", &nextopt)) | |
4396 | vga_retrace_method = VGA_RETRACE_PRECISE; | |
4397 | else goto invalid_vga; | |
4398 | } else goto invalid_vga; | |
4399 | opts = nextopt; | |
4400 | } | |
3893c124 | 4401 | } |
4402 | ||
7d4c3d53 MA |
4403 | #ifdef TARGET_I386 |
4404 | static int balloon_parse(const char *arg) | |
4405 | { | |
382f0743 | 4406 | QemuOpts *opts; |
7d4c3d53 | 4407 | |
382f0743 GH |
4408 | if (strcmp(arg, "none") == 0) { |
4409 | return 0; | |
4410 | } | |
4411 | ||
4412 | if (!strncmp(arg, "virtio", 6)) { | |
4413 | if (arg[6] == ',') { | |
4414 | /* have params -> parse them */ | |
4415 | opts = qemu_opts_parse(&qemu_device_opts, arg+7, NULL); | |
4416 | if (!opts) | |
4417 | return -1; | |
4418 | } else { | |
4419 | /* create empty opts */ | |
4420 | opts = qemu_opts_create(&qemu_device_opts, NULL, 0); | |
7d4c3d53 | 4421 | } |
382f0743 GH |
4422 | qemu_opt_set(opts, "driver", "virtio-balloon-pci"); |
4423 | return 0; | |
7d4c3d53 | 4424 | } |
382f0743 GH |
4425 | |
4426 | return -1; | |
7d4c3d53 MA |
4427 | } |
4428 | #endif | |
4429 | ||
3587d7e6 FB |
4430 | #ifdef _WIN32 |
4431 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
4432 | { | |
4433 | exit(STATUS_CONTROL_C_EXIT); | |
4434 | return TRUE; | |
4435 | } | |
4436 | #endif | |
4437 | ||
c4be29ff | 4438 | int qemu_uuid_parse(const char *str, uint8_t *uuid) |
8fcb1b90 BS |
4439 | { |
4440 | int ret; | |
4441 | ||
4442 | if(strlen(str) != 36) | |
4443 | return -1; | |
4444 | ||
4445 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
4446 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
4447 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); | |
4448 | ||
4449 | if(ret != 16) | |
4450 | return -1; | |
4451 | ||
b6f6e3d3 AL |
4452 | #ifdef TARGET_I386 |
4453 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); | |
4454 | #endif | |
4455 | ||
8fcb1b90 BS |
4456 | return 0; |
4457 | } | |
4458 | ||
5b08fc10 AL |
4459 | #ifndef _WIN32 |
4460 | ||
4461 | static void termsig_handler(int signal) | |
4462 | { | |
4463 | qemu_system_shutdown_request(); | |
4464 | } | |
4465 | ||
7c3370d4 JK |
4466 | static void sigchld_handler(int signal) |
4467 | { | |
4468 | waitpid(-1, NULL, WNOHANG); | |
4469 | } | |
4470 | ||
4471 | static void sighandler_setup(void) | |
5b08fc10 AL |
4472 | { |
4473 | struct sigaction act; | |
4474 | ||
4475 | memset(&act, 0, sizeof(act)); | |
4476 | act.sa_handler = termsig_handler; | |
4477 | sigaction(SIGINT, &act, NULL); | |
4478 | sigaction(SIGHUP, &act, NULL); | |
4479 | sigaction(SIGTERM, &act, NULL); | |
7c3370d4 JK |
4480 | |
4481 | act.sa_handler = sigchld_handler; | |
4482 | act.sa_flags = SA_NOCLDSTOP; | |
4483 | sigaction(SIGCHLD, &act, NULL); | |
5b08fc10 AL |
4484 | } |
4485 | ||
4486 | #endif | |
4487 | ||
5cea8590 PB |
4488 | #ifdef _WIN32 |
4489 | /* Look for support files in the same directory as the executable. */ | |
4490 | static char *find_datadir(const char *argv0) | |
4491 | { | |
4492 | char *p; | |
4493 | char buf[MAX_PATH]; | |
4494 | DWORD len; | |
4495 | ||
4496 | len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); | |
4497 | if (len == 0) { | |
c5947808 | 4498 | return NULL; |
5cea8590 PB |
4499 | } |
4500 | ||
4501 | buf[len] = 0; | |
4502 | p = buf + len - 1; | |
4503 | while (p != buf && *p != '\\') | |
4504 | p--; | |
4505 | *p = 0; | |
4506 | if (access(buf, R_OK) == 0) { | |
4507 | return qemu_strdup(buf); | |
4508 | } | |
4509 | return NULL; | |
4510 | } | |
4511 | #else /* !_WIN32 */ | |
4512 | ||
4513 | /* Find a likely location for support files using the location of the binary. | |
4514 | For installed binaries this will be "$bindir/../share/qemu". When | |
4515 | running from the build tree this will be "$bindir/../pc-bios". */ | |
4516 | #define SHARE_SUFFIX "/share/qemu" | |
4517 | #define BUILD_SUFFIX "/pc-bios" | |
4518 | static char *find_datadir(const char *argv0) | |
4519 | { | |
4520 | char *dir; | |
4521 | char *p = NULL; | |
4522 | char *res; | |
5cea8590 | 4523 | char buf[PATH_MAX]; |
3a41759d | 4524 | size_t max_len; |
5cea8590 PB |
4525 | |
4526 | #if defined(__linux__) | |
4527 | { | |
4528 | int len; | |
4529 | len = readlink("/proc/self/exe", buf, sizeof(buf) - 1); | |
4530 | if (len > 0) { | |
4531 | buf[len] = 0; | |
4532 | p = buf; | |
4533 | } | |
4534 | } | |
4535 | #elif defined(__FreeBSD__) | |
4536 | { | |
4537 | int len; | |
4538 | len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1); | |
4539 | if (len > 0) { | |
4540 | buf[len] = 0; | |
4541 | p = buf; | |
4542 | } | |
4543 | } | |
4544 | #endif | |
4545 | /* If we don't have any way of figuring out the actual executable | |
4546 | location then try argv[0]. */ | |
4547 | if (!p) { | |
4d224196 | 4548 | p = realpath(argv0, buf); |
5cea8590 PB |
4549 | if (!p) { |
4550 | return NULL; | |
4551 | } | |
4552 | } | |
4553 | dir = dirname(p); | |
4554 | dir = dirname(dir); | |
4555 | ||
3a41759d BS |
4556 | max_len = strlen(dir) + |
4557 | MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1; | |
4558 | res = qemu_mallocz(max_len); | |
4559 | snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX); | |
5cea8590 | 4560 | if (access(res, R_OK)) { |
3a41759d | 4561 | snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX); |
5cea8590 PB |
4562 | if (access(res, R_OK)) { |
4563 | qemu_free(res); | |
4564 | res = NULL; | |
4565 | } | |
4566 | } | |
4d224196 | 4567 | |
5cea8590 PB |
4568 | return res; |
4569 | } | |
4570 | #undef SHARE_SUFFIX | |
4571 | #undef BUILD_SUFFIX | |
4572 | #endif | |
4573 | ||
4574 | char *qemu_find_file(int type, const char *name) | |
4575 | { | |
4576 | int len; | |
4577 | const char *subdir; | |
4578 | char *buf; | |
4579 | ||
4580 | /* If name contains path separators then try it as a straight path. */ | |
4581 | if ((strchr(name, '/') || strchr(name, '\\')) | |
4582 | && access(name, R_OK) == 0) { | |
73ffc805 | 4583 | return qemu_strdup(name); |
5cea8590 PB |
4584 | } |
4585 | switch (type) { | |
4586 | case QEMU_FILE_TYPE_BIOS: | |
4587 | subdir = ""; | |
4588 | break; | |
4589 | case QEMU_FILE_TYPE_KEYMAP: | |
4590 | subdir = "keymaps/"; | |
4591 | break; | |
4592 | default: | |
4593 | abort(); | |
4594 | } | |
4595 | len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2; | |
4596 | buf = qemu_mallocz(len); | |
3a41759d | 4597 | snprintf(buf, len, "%s/%s%s", data_dir, subdir, name); |
5cea8590 PB |
4598 | if (access(buf, R_OK)) { |
4599 | qemu_free(buf); | |
4600 | return NULL; | |
4601 | } | |
4602 | return buf; | |
4603 | } | |
4604 | ||
f31d07d1 GH |
4605 | static int device_init_func(QemuOpts *opts, void *opaque) |
4606 | { | |
4607 | DeviceState *dev; | |
4608 | ||
4609 | dev = qdev_device_add(opts); | |
4610 | if (!dev) | |
4611 | return -1; | |
4612 | return 0; | |
4613 | } | |
4614 | ||
1a688d3b GH |
4615 | static int chardev_init_func(QemuOpts *opts, void *opaque) |
4616 | { | |
4617 | CharDriverState *chr; | |
4618 | ||
4619 | chr = qemu_chr_open_opts(opts, NULL); | |
4620 | if (!chr) | |
4621 | return -1; | |
4622 | return 0; | |
4623 | } | |
4624 | ||
bd3c948d GH |
4625 | struct device_config { |
4626 | enum { | |
bd3c948d GH |
4627 | DEV_USB, /* -usbdevice */ |
4628 | DEV_BT, /* -bt */ | |
998bbd74 | 4629 | DEV_SERIAL, /* -serial */ |
6a5e8b0e | 4630 | DEV_PARALLEL, /* -parallel */ |
bd3c948d GH |
4631 | } type; |
4632 | const char *cmdline; | |
72cf2d4f | 4633 | QTAILQ_ENTRY(device_config) next; |
bd3c948d | 4634 | }; |
72cf2d4f | 4635 | QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs); |
bd3c948d GH |
4636 | |
4637 | static void add_device_config(int type, const char *cmdline) | |
4638 | { | |
4639 | struct device_config *conf; | |
4640 | ||
4641 | conf = qemu_mallocz(sizeof(*conf)); | |
4642 | conf->type = type; | |
4643 | conf->cmdline = cmdline; | |
72cf2d4f | 4644 | QTAILQ_INSERT_TAIL(&device_configs, conf, next); |
bd3c948d GH |
4645 | } |
4646 | ||
4647 | static int foreach_device_config(int type, int (*func)(const char *cmdline)) | |
4648 | { | |
4649 | struct device_config *conf; | |
4650 | int rc; | |
4651 | ||
72cf2d4f | 4652 | QTAILQ_FOREACH(conf, &device_configs, next) { |
bd3c948d GH |
4653 | if (conf->type != type) |
4654 | continue; | |
4655 | rc = func(conf->cmdline); | |
4656 | if (0 != rc) | |
4657 | return rc; | |
4658 | } | |
4659 | return 0; | |
4660 | } | |
4661 | ||
998bbd74 GH |
4662 | static void serial_monitor_mux(const char *monitor_devices[]) |
4663 | { | |
4664 | struct device_config *serial; | |
4665 | const char *devname; | |
4666 | ||
4667 | if (strcmp(monitor_devices[0],"stdio") != 0) | |
4668 | return; | |
4669 | QTAILQ_FOREACH(serial, &device_configs, next) { | |
4670 | if (serial->type != DEV_SERIAL) | |
4671 | continue; | |
4672 | devname = serial->cmdline; | |
4673 | if (devname && !strcmp(devname,"mon:stdio")) { | |
4674 | monitor_devices[0] = NULL; | |
4675 | break; | |
4676 | } else if (devname && !strcmp(devname,"stdio")) { | |
4677 | monitor_devices[0] = NULL; | |
4678 | serial->cmdline = "mon:stdio"; | |
4679 | break; | |
4680 | } | |
4681 | } | |
4682 | } | |
4683 | ||
4684 | static int serial_parse(const char *devname) | |
4685 | { | |
4686 | static int index = 0; | |
4687 | char label[32]; | |
4688 | ||
4689 | if (strcmp(devname, "none") == 0) | |
4690 | return 0; | |
4691 | if (index == MAX_SERIAL_PORTS) { | |
4692 | fprintf(stderr, "qemu: too many serial ports\n"); | |
4693 | exit(1); | |
4694 | } | |
4695 | snprintf(label, sizeof(label), "serial%d", index); | |
4696 | serial_hds[index] = qemu_chr_open(label, devname, NULL); | |
4697 | if (!serial_hds[index]) { | |
4698 | fprintf(stderr, "qemu: could not open serial device '%s': %s\n", | |
4699 | devname, strerror(errno)); | |
4700 | return -1; | |
4701 | } | |
4702 | index++; | |
4703 | return 0; | |
4704 | } | |
4705 | ||
6a5e8b0e GH |
4706 | static int parallel_parse(const char *devname) |
4707 | { | |
4708 | static int index = 0; | |
4709 | char label[32]; | |
4710 | ||
4711 | if (strcmp(devname, "none") == 0) | |
4712 | return 0; | |
4713 | if (index == MAX_PARALLEL_PORTS) { | |
4714 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
4715 | exit(1); | |
4716 | } | |
4717 | snprintf(label, sizeof(label), "parallel%d", index); | |
4718 | parallel_hds[index] = qemu_chr_open(label, devname, NULL); | |
4719 | if (!parallel_hds[index]) { | |
4720 | fprintf(stderr, "qemu: could not open parallel device '%s': %s\n", | |
4721 | devname, strerror(errno)); | |
4722 | return -1; | |
4723 | } | |
4724 | index++; | |
4725 | return 0; | |
4726 | } | |
4727 | ||
902b3d5c | 4728 | int main(int argc, char **argv, char **envp) |
0824d6fc | 4729 | { |
59030a8c | 4730 | const char *gdbstub_dev = NULL; |
28c5af54 | 4731 | uint32_t boot_devices_bitmap = 0; |
e4bcb14c | 4732 | int i; |
28c5af54 | 4733 | int snapshot, linux_boot, net_boot; |
7f7f9873 | 4734 | const char *initrd_filename; |
a20dd508 | 4735 | const char *kernel_filename, *kernel_cmdline; |
195325a4 | 4736 | char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */ |
3023f332 | 4737 | DisplayState *ds; |
7d957bd8 | 4738 | DisplayChangeListener *dcl; |
46d4767d | 4739 | int cyls, heads, secs, translation; |
f31d07d1 | 4740 | QemuOpts *hda_opts = NULL, *opts; |
cd6f1169 FB |
4741 | int optind; |
4742 | const char *r, *optarg; | |
ddd9bbd9 JK |
4743 | CharDriverState *monitor_hds[MAX_MONITOR_DEVICES]; |
4744 | const char *monitor_devices[MAX_MONITOR_DEVICES]; | |
4745 | int monitor_device_index; | |
9ede2fde AL |
4746 | const char *virtio_consoles[MAX_VIRTIO_CONSOLES]; |
4747 | int virtio_console_index; | |
d63d307f | 4748 | const char *loadvm = NULL; |
cc1daa40 | 4749 | QEMUMachine *machine; |
94fc95cd | 4750 | const char *cpu_model; |
b9e82a59 | 4751 | #ifndef _WIN32 |
71e3ceb8 | 4752 | int fds[2]; |
b9e82a59 | 4753 | #endif |
26a5f13b | 4754 | int tb_size; |
93815bc2 | 4755 | const char *pid_file = NULL; |
5bb7910a | 4756 | const char *incoming = NULL; |
b9e82a59 | 4757 | #ifndef _WIN32 |
54042bcf AL |
4758 | int fd = 0; |
4759 | struct passwd *pwd = NULL; | |
0858532e AL |
4760 | const char *chroot_dir = NULL; |
4761 | const char *run_as = NULL; | |
b9e82a59 | 4762 | #endif |
268a362c | 4763 | CPUState *env; |
993fbfdb | 4764 | int show_vnc_port = 0; |
0bd48850 | 4765 | |
6875204c JK |
4766 | init_clocks(); |
4767 | ||
ac7531ec | 4768 | qemu_errors_to_file(stderr); |
902b3d5c | 4769 | qemu_cache_utils_init(envp); |
4770 | ||
72cf2d4f | 4771 | QLIST_INIT (&vm_change_state_head); |
be995c27 FB |
4772 | #ifndef _WIN32 |
4773 | { | |
4774 | struct sigaction act; | |
4775 | sigfillset(&act.sa_mask); | |
4776 | act.sa_flags = 0; | |
4777 | act.sa_handler = SIG_IGN; | |
4778 | sigaction(SIGPIPE, &act, NULL); | |
4779 | } | |
3587d7e6 FB |
4780 | #else |
4781 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
a8e5ac33 FB |
4782 | /* Note: cpu_interrupt() is currently not SMP safe, so we force |
4783 | QEMU to run on a single CPU */ | |
4784 | { | |
4785 | HANDLE h; | |
4786 | DWORD mask, smask; | |
4787 | int i; | |
4788 | h = GetCurrentProcess(); | |
4789 | if (GetProcessAffinityMask(h, &mask, &smask)) { | |
4790 | for(i = 0; i < 32; i++) { | |
4791 | if (mask & (1 << i)) | |
4792 | break; | |
4793 | } | |
4794 | if (i != 32) { | |
4795 | mask = 1 << i; | |
4796 | SetProcessAffinityMask(h, mask); | |
4797 | } | |
4798 | } | |
4799 | } | |
67b915a5 | 4800 | #endif |
be995c27 | 4801 | |
f80f9ec9 | 4802 | module_call_init(MODULE_INIT_MACHINE); |
0c257437 | 4803 | machine = find_default_machine(); |
94fc95cd | 4804 | cpu_model = NULL; |
fc01f7e7 | 4805 | initrd_filename = NULL; |
4fc5d071 | 4806 | ram_size = 0; |
33e3963e | 4807 | snapshot = 0; |
a20dd508 FB |
4808 | kernel_filename = NULL; |
4809 | kernel_cmdline = ""; | |
c4b1fcc0 | 4810 | cyls = heads = secs = 0; |
46d4767d | 4811 | translation = BIOS_ATA_TRANSLATION_AUTO; |
c4b1fcc0 | 4812 | |
1b8fc811 | 4813 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) |
9ede2fde AL |
4814 | virtio_consoles[i] = NULL; |
4815 | virtio_console_index = 0; | |
4816 | ||
ddd9bbd9 JK |
4817 | monitor_devices[0] = "vc:80Cx24C"; |
4818 | for (i = 1; i < MAX_MONITOR_DEVICES; i++) { | |
4819 | monitor_devices[i] = NULL; | |
4820 | } | |
4821 | monitor_device_index = 0; | |
4822 | ||
268a362c AL |
4823 | for (i = 0; i < MAX_NODES; i++) { |
4824 | node_mem[i] = 0; | |
4825 | node_cpumask[i] = 0; | |
4826 | } | |
4827 | ||
268a362c | 4828 | nb_numa_nodes = 0; |
7c9d8e07 | 4829 | nb_nics = 0; |
3b46e624 | 4830 | |
26a5f13b | 4831 | tb_size = 0; |
41bd639b BS |
4832 | autostart= 1; |
4833 | ||
cd6f1169 | 4834 | optind = 1; |
0824d6fc | 4835 | for(;;) { |
cd6f1169 | 4836 | if (optind >= argc) |
0824d6fc | 4837 | break; |
cd6f1169 FB |
4838 | r = argv[optind]; |
4839 | if (r[0] != '-') { | |
9dfd7c7a | 4840 | hda_opts = drive_add(argv[optind++], HD_ALIAS, 0); |
cd6f1169 FB |
4841 | } else { |
4842 | const QEMUOption *popt; | |
4843 | ||
4844 | optind++; | |
dff5efc8 PB |
4845 | /* Treat --foo the same as -foo. */ |
4846 | if (r[1] == '-') | |
4847 | r++; | |
cd6f1169 FB |
4848 | popt = qemu_options; |
4849 | for(;;) { | |
4850 | if (!popt->name) { | |
5fafdf24 | 4851 | fprintf(stderr, "%s: invalid option -- '%s'\n", |
cd6f1169 FB |
4852 | argv[0], r); |
4853 | exit(1); | |
4854 | } | |
4855 | if (!strcmp(popt->name, r + 1)) | |
4856 | break; | |
4857 | popt++; | |
4858 | } | |
4859 | if (popt->flags & HAS_ARG) { | |
4860 | if (optind >= argc) { | |
4861 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
4862 | argv[0], r); | |
4863 | exit(1); | |
4864 | } | |
4865 | optarg = argv[optind++]; | |
4866 | } else { | |
4867 | optarg = NULL; | |
4868 | } | |
4869 | ||
4870 | switch(popt->index) { | |
cc1daa40 FB |
4871 | case QEMU_OPTION_M: |
4872 | machine = find_machine(optarg); | |
4873 | if (!machine) { | |
4874 | QEMUMachine *m; | |
4875 | printf("Supported machines are:\n"); | |
4876 | for(m = first_machine; m != NULL; m = m->next) { | |
3f6599e6 MM |
4877 | if (m->alias) |
4878 | printf("%-10s %s (alias of %s)\n", | |
4879 | m->alias, m->desc, m->name); | |
cc1daa40 | 4880 | printf("%-10s %s%s\n", |
5fafdf24 | 4881 | m->name, m->desc, |
0c257437 | 4882 | m->is_default ? " (default)" : ""); |
cc1daa40 | 4883 | } |
15f82208 | 4884 | exit(*optarg != '?'); |
cc1daa40 FB |
4885 | } |
4886 | break; | |
94fc95cd JM |
4887 | case QEMU_OPTION_cpu: |
4888 | /* hw initialization will check this */ | |
15f82208 | 4889 | if (*optarg == '?') { |
c732abe2 JM |
4890 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
4891 | #if defined(cpu_list) | |
4892 | cpu_list(stdout, &fprintf); | |
94fc95cd | 4893 | #endif |
15f82208 | 4894 | exit(0); |
94fc95cd JM |
4895 | } else { |
4896 | cpu_model = optarg; | |
4897 | } | |
4898 | break; | |
cd6f1169 | 4899 | case QEMU_OPTION_initrd: |
fc01f7e7 FB |
4900 | initrd_filename = optarg; |
4901 | break; | |
cd6f1169 | 4902 | case QEMU_OPTION_hda: |
e4bcb14c | 4903 | if (cyls == 0) |
9dfd7c7a | 4904 | hda_opts = drive_add(optarg, HD_ALIAS, 0); |
e4bcb14c | 4905 | else |
9dfd7c7a | 4906 | hda_opts = drive_add(optarg, HD_ALIAS |
e4bcb14c | 4907 | ",cyls=%d,heads=%d,secs=%d%s", |
609497ab | 4908 | 0, cyls, heads, secs, |
e4bcb14c TS |
4909 | translation == BIOS_ATA_TRANSLATION_LBA ? |
4910 | ",trans=lba" : | |
4911 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
4912 | ",trans=none" : ""); | |
4913 | break; | |
cd6f1169 | 4914 | case QEMU_OPTION_hdb: |
cc1daa40 FB |
4915 | case QEMU_OPTION_hdc: |
4916 | case QEMU_OPTION_hdd: | |
609497ab | 4917 | drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
fc01f7e7 | 4918 | break; |
e4bcb14c | 4919 | case QEMU_OPTION_drive: |
609497ab | 4920 | drive_add(NULL, "%s", optarg); |
e4bcb14c | 4921 | break; |
d058fe03 GH |
4922 | case QEMU_OPTION_set: |
4923 | if (qemu_set_option(optarg) != 0) | |
4924 | exit(1); | |
4925 | break; | |
d0fef6fb GH |
4926 | case QEMU_OPTION_global: |
4927 | if (qemu_global_option(optarg) != 0) | |
4928 | exit(1); | |
4929 | break; | |
3e3d5815 | 4930 | case QEMU_OPTION_mtdblock: |
609497ab | 4931 | drive_add(optarg, MTD_ALIAS); |
3e3d5815 | 4932 | break; |
a1bb27b1 | 4933 | case QEMU_OPTION_sd: |
609497ab | 4934 | drive_add(optarg, SD_ALIAS); |
a1bb27b1 | 4935 | break; |
86f55663 | 4936 | case QEMU_OPTION_pflash: |
609497ab | 4937 | drive_add(optarg, PFLASH_ALIAS); |
86f55663 | 4938 | break; |
cd6f1169 | 4939 | case QEMU_OPTION_snapshot: |
33e3963e FB |
4940 | snapshot = 1; |
4941 | break; | |
cd6f1169 | 4942 | case QEMU_OPTION_hdachs: |
330d0414 | 4943 | { |
330d0414 FB |
4944 | const char *p; |
4945 | p = optarg; | |
4946 | cyls = strtol(p, (char **)&p, 0); | |
46d4767d FB |
4947 | if (cyls < 1 || cyls > 16383) |
4948 | goto chs_fail; | |
330d0414 FB |
4949 | if (*p != ',') |
4950 | goto chs_fail; | |
4951 | p++; | |
4952 | heads = strtol(p, (char **)&p, 0); | |
46d4767d FB |
4953 | if (heads < 1 || heads > 16) |
4954 | goto chs_fail; | |
330d0414 FB |
4955 | if (*p != ',') |
4956 | goto chs_fail; | |
4957 | p++; | |
4958 | secs = strtol(p, (char **)&p, 0); | |
46d4767d FB |
4959 | if (secs < 1 || secs > 63) |
4960 | goto chs_fail; | |
4961 | if (*p == ',') { | |
4962 | p++; | |
4963 | if (!strcmp(p, "none")) | |
4964 | translation = BIOS_ATA_TRANSLATION_NONE; | |
4965 | else if (!strcmp(p, "lba")) | |
4966 | translation = BIOS_ATA_TRANSLATION_LBA; | |
4967 | else if (!strcmp(p, "auto")) | |
4968 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
4969 | else | |
4970 | goto chs_fail; | |
4971 | } else if (*p != '\0') { | |
c4b1fcc0 | 4972 | chs_fail: |
46d4767d FB |
4973 | fprintf(stderr, "qemu: invalid physical CHS format\n"); |
4974 | exit(1); | |
c4b1fcc0 | 4975 | } |
9dfd7c7a GH |
4976 | if (hda_opts != NULL) { |
4977 | char num[16]; | |
4978 | snprintf(num, sizeof(num), "%d", cyls); | |
4979 | qemu_opt_set(hda_opts, "cyls", num); | |
4980 | snprintf(num, sizeof(num), "%d", heads); | |
4981 | qemu_opt_set(hda_opts, "heads", num); | |
4982 | snprintf(num, sizeof(num), "%d", secs); | |
4983 | qemu_opt_set(hda_opts, "secs", num); | |
4984 | if (translation == BIOS_ATA_TRANSLATION_LBA) | |
4985 | qemu_opt_set(hda_opts, "trans", "lba"); | |
4986 | if (translation == BIOS_ATA_TRANSLATION_NONE) | |
4987 | qemu_opt_set(hda_opts, "trans", "none"); | |
4988 | } | |
330d0414 FB |
4989 | } |
4990 | break; | |
268a362c AL |
4991 | case QEMU_OPTION_numa: |
4992 | if (nb_numa_nodes >= MAX_NODES) { | |
4993 | fprintf(stderr, "qemu: too many NUMA nodes\n"); | |
4994 | exit(1); | |
4995 | } | |
4996 | numa_add(optarg); | |
4997 | break; | |
cd6f1169 | 4998 | case QEMU_OPTION_nographic: |
993fbfdb | 4999 | display_type = DT_NOGRAPHIC; |
a20dd508 | 5000 | break; |
4d3b6f6e AZ |
5001 | #ifdef CONFIG_CURSES |
5002 | case QEMU_OPTION_curses: | |
993fbfdb | 5003 | display_type = DT_CURSES; |
4d3b6f6e AZ |
5004 | break; |
5005 | #endif | |
a171fe39 AZ |
5006 | case QEMU_OPTION_portrait: |
5007 | graphic_rotate = 1; | |
5008 | break; | |
cd6f1169 | 5009 | case QEMU_OPTION_kernel: |
a20dd508 FB |
5010 | kernel_filename = optarg; |
5011 | break; | |
cd6f1169 | 5012 | case QEMU_OPTION_append: |
a20dd508 | 5013 | kernel_cmdline = optarg; |
313aa567 | 5014 | break; |
cd6f1169 | 5015 | case QEMU_OPTION_cdrom: |
609497ab | 5016 | drive_add(optarg, CDROM_ALIAS); |
36b486bb | 5017 | break; |
cd6f1169 | 5018 | case QEMU_OPTION_boot: |
28c5af54 | 5019 | { |
ef3adf68 | 5020 | static const char * const params[] = { |
95387491 | 5021 | "order", "once", "menu", NULL |
ef3adf68 JK |
5022 | }; |
5023 | char buf[sizeof(boot_devices)]; | |
e0f084bf | 5024 | char *standard_boot_devices; |
ef3adf68 JK |
5025 | int legacy = 0; |
5026 | ||
5027 | if (!strchr(optarg, '=')) { | |
5028 | legacy = 1; | |
5029 | pstrcpy(buf, sizeof(buf), optarg); | |
5030 | } else if (check_params(buf, sizeof(buf), params, optarg) < 0) { | |
5031 | fprintf(stderr, | |
5032 | "qemu: unknown boot parameter '%s' in '%s'\n", | |
5033 | buf, optarg); | |
5034 | exit(1); | |
5035 | } | |
5036 | ||
5037 | if (legacy || | |
5038 | get_param_value(buf, sizeof(buf), "order", optarg)) { | |
5039 | boot_devices_bitmap = parse_bootdevices(buf); | |
5040 | pstrcpy(boot_devices, sizeof(boot_devices), buf); | |
28c5af54 | 5041 | } |
e0f084bf JK |
5042 | if (!legacy) { |
5043 | if (get_param_value(buf, sizeof(buf), | |
5044 | "once", optarg)) { | |
5045 | boot_devices_bitmap |= parse_bootdevices(buf); | |
5046 | standard_boot_devices = qemu_strdup(boot_devices); | |
5047 | pstrcpy(boot_devices, sizeof(boot_devices), buf); | |
5048 | qemu_register_reset(restore_boot_devices, | |
5049 | standard_boot_devices); | |
5050 | } | |
95387491 JK |
5051 | if (get_param_value(buf, sizeof(buf), |
5052 | "menu", optarg)) { | |
5053 | if (!strcmp(buf, "on")) { | |
5054 | boot_menu = 1; | |
5055 | } else if (!strcmp(buf, "off")) { | |
5056 | boot_menu = 0; | |
5057 | } else { | |
5058 | fprintf(stderr, | |
5059 | "qemu: invalid option value '%s'\n", | |
5060 | buf); | |
5061 | exit(1); | |
5062 | } | |
5063 | } | |
e0f084bf | 5064 | } |
36b486bb FB |
5065 | } |
5066 | break; | |
cd6f1169 | 5067 | case QEMU_OPTION_fda: |
cd6f1169 | 5068 | case QEMU_OPTION_fdb: |
609497ab | 5069 | drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
c45886db | 5070 | break; |
52ca8d6a FB |
5071 | #ifdef TARGET_I386 |
5072 | case QEMU_OPTION_no_fd_bootchk: | |
5073 | fd_bootchk = 0; | |
5074 | break; | |
5075 | #endif | |
a1ea458f MM |
5076 | case QEMU_OPTION_netdev: |
5077 | if (net_client_parse(&qemu_netdev_opts, optarg) == -1) { | |
5078 | exit(1); | |
5079 | } | |
5080 | break; | |
7c9d8e07 | 5081 | case QEMU_OPTION_net: |
7f161aae | 5082 | if (net_client_parse(&qemu_net_opts, optarg) == -1) { |
c4b1fcc0 FB |
5083 | exit(1); |
5084 | } | |
702c651c | 5085 | break; |
c7f74643 FB |
5086 | #ifdef CONFIG_SLIRP |
5087 | case QEMU_OPTION_tftp: | |
ad196a9d | 5088 | legacy_tftp_prefix = optarg; |
9bf05444 | 5089 | break; |
47d5d01a | 5090 | case QEMU_OPTION_bootp: |
ad196a9d | 5091 | legacy_bootp_filename = optarg; |
47d5d01a | 5092 | break; |
c94c8d64 | 5093 | #ifndef _WIN32 |
9d728e8c | 5094 | case QEMU_OPTION_smb: |
0752706d MA |
5095 | if (net_slirp_smb(optarg) < 0) |
5096 | exit(1); | |
9d728e8c | 5097 | break; |
c94c8d64 | 5098 | #endif |
9bf05444 | 5099 | case QEMU_OPTION_redir: |
0752706d MA |
5100 | if (net_slirp_redir(optarg) < 0) |
5101 | exit(1); | |
9bf05444 | 5102 | break; |
c7f74643 | 5103 | #endif |
dc72ac14 | 5104 | case QEMU_OPTION_bt: |
bd3c948d | 5105 | add_device_config(DEV_BT, optarg); |
dc72ac14 | 5106 | break; |
1d14ffa9 | 5107 | #ifdef HAS_AUDIO |
1d14ffa9 FB |
5108 | case QEMU_OPTION_audio_help: |
5109 | AUD_help (); | |
5110 | exit (0); | |
5111 | break; | |
5112 | case QEMU_OPTION_soundhw: | |
5113 | select_soundhw (optarg); | |
5114 | break; | |
5115 | #endif | |
cd6f1169 | 5116 | case QEMU_OPTION_h: |
15f82208 | 5117 | help(0); |
cd6f1169 | 5118 | break; |
9bd7e6d9 PB |
5119 | case QEMU_OPTION_version: |
5120 | version(); | |
5121 | exit(0); | |
5122 | break; | |
00f82b8a AJ |
5123 | case QEMU_OPTION_m: { |
5124 | uint64_t value; | |
5125 | char *ptr; | |
5126 | ||
5127 | value = strtoul(optarg, &ptr, 10); | |
5128 | switch (*ptr) { | |
5129 | case 0: case 'M': case 'm': | |
5130 | value <<= 20; | |
5131 | break; | |
5132 | case 'G': case 'g': | |
5133 | value <<= 30; | |
5134 | break; | |
5135 | default: | |
5136 | fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); | |
cd6f1169 FB |
5137 | exit(1); |
5138 | } | |
00f82b8a AJ |
5139 | |
5140 | /* On 32-bit hosts, QEMU is limited by virtual address space */ | |
4a1418e0 | 5141 | if (value > (2047 << 20) && HOST_LONG_BITS == 32) { |
00f82b8a AJ |
5142 | fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); |
5143 | exit(1); | |
5144 | } | |
c227f099 | 5145 | if (value != (uint64_t)(ram_addr_t)value) { |
00f82b8a AJ |
5146 | fprintf(stderr, "qemu: ram size too large\n"); |
5147 | exit(1); | |
5148 | } | |
5149 | ram_size = value; | |
cd6f1169 | 5150 | break; |
00f82b8a | 5151 | } |
cd6f1169 FB |
5152 | case QEMU_OPTION_d: |
5153 | { | |
5154 | int mask; | |
c7cd6a37 | 5155 | const CPULogItem *item; |
3b46e624 | 5156 | |
cd6f1169 FB |
5157 | mask = cpu_str_to_log_mask(optarg); |
5158 | if (!mask) { | |
5159 | printf("Log items (comma separated):\n"); | |
f193c797 FB |
5160 | for(item = cpu_log_items; item->mask != 0; item++) { |
5161 | printf("%-10s %s\n", item->name, item->help); | |
5162 | } | |
5163 | exit(1); | |
cd6f1169 FB |
5164 | } |
5165 | cpu_set_log(mask); | |
f193c797 | 5166 | } |
cd6f1169 | 5167 | break; |
cd6f1169 | 5168 | case QEMU_OPTION_s: |
59030a8c | 5169 | gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT; |
cd6f1169 | 5170 | break; |
59030a8c AL |
5171 | case QEMU_OPTION_gdb: |
5172 | gdbstub_dev = optarg; | |
cd6f1169 | 5173 | break; |
cd6f1169 | 5174 | case QEMU_OPTION_L: |
5cea8590 | 5175 | data_dir = optarg; |
cd6f1169 | 5176 | break; |
1192dad8 JM |
5177 | case QEMU_OPTION_bios: |
5178 | bios_name = optarg; | |
5179 | break; | |
1b530a6d AJ |
5180 | case QEMU_OPTION_singlestep: |
5181 | singlestep = 1; | |
5182 | break; | |
cd6f1169 | 5183 | case QEMU_OPTION_S: |
3c07f8e8 | 5184 | autostart = 0; |
cd6f1169 | 5185 | break; |
3d11d0eb FB |
5186 | case QEMU_OPTION_k: |
5187 | keyboard_layout = optarg; | |
5188 | break; | |
ee22c2f7 FB |
5189 | case QEMU_OPTION_localtime: |
5190 | rtc_utc = 0; | |
5191 | break; | |
3893c124 | 5192 | case QEMU_OPTION_vga: |
5193 | select_vgahw (optarg); | |
1bfe856e | 5194 | break; |
5824d651 | 5195 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) |
e9b137c2 FB |
5196 | case QEMU_OPTION_g: |
5197 | { | |
5198 | const char *p; | |
5199 | int w, h, depth; | |
5200 | p = optarg; | |
5201 | w = strtol(p, (char **)&p, 10); | |
5202 | if (w <= 0) { | |
5203 | graphic_error: | |
5204 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
5205 | exit(1); | |
5206 | } | |
5207 | if (*p != 'x') | |
5208 | goto graphic_error; | |
5209 | p++; | |
5210 | h = strtol(p, (char **)&p, 10); | |
5211 | if (h <= 0) | |
5212 | goto graphic_error; | |
5213 | if (*p == 'x') { | |
5214 | p++; | |
5215 | depth = strtol(p, (char **)&p, 10); | |
5fafdf24 | 5216 | if (depth != 8 && depth != 15 && depth != 16 && |
e9b137c2 FB |
5217 | depth != 24 && depth != 32) |
5218 | goto graphic_error; | |
5219 | } else if (*p == '\0') { | |
5220 | depth = graphic_depth; | |
5221 | } else { | |
5222 | goto graphic_error; | |
5223 | } | |
3b46e624 | 5224 | |
e9b137c2 FB |
5225 | graphic_width = w; |
5226 | graphic_height = h; | |
5227 | graphic_depth = depth; | |
5228 | } | |
5229 | break; | |
5824d651 | 5230 | #endif |
20d8a3ed TS |
5231 | case QEMU_OPTION_echr: |
5232 | { | |
5233 | char *r; | |
5234 | term_escape_char = strtol(optarg, &r, 0); | |
5235 | if (r == optarg) | |
5236 | printf("Bad argument to echr\n"); | |
5237 | break; | |
5238 | } | |
82c643ff | 5239 | case QEMU_OPTION_monitor: |
ddd9bbd9 JK |
5240 | if (monitor_device_index >= MAX_MONITOR_DEVICES) { |
5241 | fprintf(stderr, "qemu: too many monitor devices\n"); | |
5242 | exit(1); | |
5243 | } | |
4e307fc8 | 5244 | monitor_devices[monitor_device_index] = optarg; |
ddd9bbd9 | 5245 | monitor_device_index++; |
82c643ff | 5246 | break; |
191bc01b GH |
5247 | case QEMU_OPTION_chardev: |
5248 | opts = qemu_opts_parse(&qemu_chardev_opts, optarg, "backend"); | |
5249 | if (!opts) { | |
5250 | fprintf(stderr, "parse error: %s\n", optarg); | |
5251 | exit(1); | |
5252 | } | |
191bc01b | 5253 | break; |
82c643ff | 5254 | case QEMU_OPTION_serial: |
998bbd74 GH |
5255 | add_device_config(DEV_SERIAL, optarg); |
5256 | default_serial = 0; | |
82c643ff | 5257 | break; |
9dd986cc | 5258 | case QEMU_OPTION_watchdog: |
09aaa160 MA |
5259 | if (watchdog) { |
5260 | fprintf(stderr, | |
5261 | "qemu: only one watchdog option may be given\n"); | |
5262 | return 1; | |
5263 | } | |
5264 | watchdog = optarg; | |
9dd986cc RJ |
5265 | break; |
5266 | case QEMU_OPTION_watchdog_action: | |
5267 | if (select_watchdog_action(optarg) == -1) { | |
5268 | fprintf(stderr, "Unknown -watchdog-action parameter\n"); | |
5269 | exit(1); | |
5270 | } | |
5271 | break; | |
51ecf136 AL |
5272 | case QEMU_OPTION_virtiocon: |
5273 | if (virtio_console_index >= MAX_VIRTIO_CONSOLES) { | |
5274 | fprintf(stderr, "qemu: too many virtio consoles\n"); | |
5275 | exit(1); | |
5276 | } | |
5277 | virtio_consoles[virtio_console_index] = optarg; | |
5278 | virtio_console_index++; | |
5279 | break; | |
6508fe59 | 5280 | case QEMU_OPTION_parallel: |
6a5e8b0e GH |
5281 | add_device_config(DEV_PARALLEL, optarg); |
5282 | default_parallel = 0; | |
6508fe59 | 5283 | break; |
d63d307f FB |
5284 | case QEMU_OPTION_loadvm: |
5285 | loadvm = optarg; | |
5286 | break; | |
5287 | case QEMU_OPTION_full_screen: | |
5288 | full_screen = 1; | |
5289 | break; | |
667accab | 5290 | #ifdef CONFIG_SDL |
43523e93 TS |
5291 | case QEMU_OPTION_no_frame: |
5292 | no_frame = 1; | |
5293 | break; | |
3780e197 TS |
5294 | case QEMU_OPTION_alt_grab: |
5295 | alt_grab = 1; | |
5296 | break; | |
0ca9f8a4 DK |
5297 | case QEMU_OPTION_ctrl_grab: |
5298 | ctrl_grab = 1; | |
5299 | break; | |
667accab TS |
5300 | case QEMU_OPTION_no_quit: |
5301 | no_quit = 1; | |
5302 | break; | |
7d957bd8 | 5303 | case QEMU_OPTION_sdl: |
993fbfdb | 5304 | display_type = DT_SDL; |
7d957bd8 | 5305 | break; |
667accab | 5306 | #endif |
f7cce898 | 5307 | case QEMU_OPTION_pidfile: |
93815bc2 | 5308 | pid_file = optarg; |
f7cce898 | 5309 | break; |
a09db21f FB |
5310 | #ifdef TARGET_I386 |
5311 | case QEMU_OPTION_win2k_hack: | |
5312 | win2k_install_hack = 1; | |
5313 | break; | |
73822ec8 AL |
5314 | case QEMU_OPTION_rtc_td_hack: |
5315 | rtc_td_hack = 1; | |
5316 | break; | |
8a92ea2f AL |
5317 | case QEMU_OPTION_acpitable: |
5318 | if(acpi_table_add(optarg) < 0) { | |
5319 | fprintf(stderr, "Wrong acpi table provided\n"); | |
5320 | exit(1); | |
5321 | } | |
5322 | break; | |
b6f6e3d3 AL |
5323 | case QEMU_OPTION_smbios: |
5324 | if(smbios_entry_add(optarg) < 0) { | |
5325 | fprintf(stderr, "Wrong smbios provided\n"); | |
5326 | exit(1); | |
5327 | } | |
5328 | break; | |
a09db21f | 5329 | #endif |
7ba1e619 AL |
5330 | #ifdef CONFIG_KVM |
5331 | case QEMU_OPTION_enable_kvm: | |
5332 | kvm_allowed = 1; | |
7ba1e619 | 5333 | break; |
d993e026 | 5334 | #endif |
bb36d470 FB |
5335 | case QEMU_OPTION_usb: |
5336 | usb_enabled = 1; | |
5337 | break; | |
a594cfbf FB |
5338 | case QEMU_OPTION_usbdevice: |
5339 | usb_enabled = 1; | |
bd3c948d GH |
5340 | add_device_config(DEV_USB, optarg); |
5341 | break; | |
5342 | case QEMU_OPTION_device: | |
b386becf | 5343 | if (!qemu_opts_parse(&qemu_device_opts, optarg, "driver")) { |
f31d07d1 GH |
5344 | exit(1); |
5345 | } | |
a594cfbf | 5346 | break; |
6a00d601 | 5347 | case QEMU_OPTION_smp: |
dc6b1c09 | 5348 | smp_parse(optarg); |
b2097003 | 5349 | if (smp_cpus < 1) { |
6a00d601 FB |
5350 | fprintf(stderr, "Invalid number of CPUs\n"); |
5351 | exit(1); | |
5352 | } | |
6be68d7e JS |
5353 | if (max_cpus < smp_cpus) { |
5354 | fprintf(stderr, "maxcpus must be equal to or greater than " | |
5355 | "smp\n"); | |
5356 | exit(1); | |
5357 | } | |
5358 | if (max_cpus > 255) { | |
5359 | fprintf(stderr, "Unsupported number of maxcpus\n"); | |
5360 | exit(1); | |
5361 | } | |
6a00d601 | 5362 | break; |
24236869 | 5363 | case QEMU_OPTION_vnc: |
993fbfdb | 5364 | display_type = DT_VNC; |
73fc9742 | 5365 | vnc_display = optarg; |
24236869 | 5366 | break; |
5824d651 | 5367 | #ifdef TARGET_I386 |
6515b203 FB |
5368 | case QEMU_OPTION_no_acpi: |
5369 | acpi_enabled = 0; | |
5370 | break; | |
16b29ae1 AL |
5371 | case QEMU_OPTION_no_hpet: |
5372 | no_hpet = 1; | |
5373 | break; | |
7d4c3d53 MA |
5374 | case QEMU_OPTION_balloon: |
5375 | if (balloon_parse(optarg) < 0) { | |
5376 | fprintf(stderr, "Unknown -balloon argument %s\n", optarg); | |
5377 | exit(1); | |
5378 | } | |
df97b920 | 5379 | break; |
5824d651 | 5380 | #endif |
d1beab82 FB |
5381 | case QEMU_OPTION_no_reboot: |
5382 | no_reboot = 1; | |
5383 | break; | |
b2f76161 AJ |
5384 | case QEMU_OPTION_no_shutdown: |
5385 | no_shutdown = 1; | |
5386 | break; | |
9467cd46 AZ |
5387 | case QEMU_OPTION_show_cursor: |
5388 | cursor_hide = 0; | |
5389 | break; | |
8fcb1b90 BS |
5390 | case QEMU_OPTION_uuid: |
5391 | if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { | |
5392 | fprintf(stderr, "Fail to parse UUID string." | |
5393 | " Wrong format.\n"); | |
5394 | exit(1); | |
5395 | } | |
5396 | break; | |
5824d651 | 5397 | #ifndef _WIN32 |
71e3ceb8 TS |
5398 | case QEMU_OPTION_daemonize: |
5399 | daemonize = 1; | |
5400 | break; | |
5824d651 | 5401 | #endif |
9ae02555 TS |
5402 | case QEMU_OPTION_option_rom: |
5403 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
5404 | fprintf(stderr, "Too many option ROMs\n"); | |
5405 | exit(1); | |
5406 | } | |
5407 | option_rom[nb_option_roms] = optarg; | |
5408 | nb_option_roms++; | |
5409 | break; | |
5824d651 | 5410 | #if defined(TARGET_ARM) || defined(TARGET_M68K) |
8e71621f PB |
5411 | case QEMU_OPTION_semihosting: |
5412 | semihosting_enabled = 1; | |
5413 | break; | |
5824d651 | 5414 | #endif |
c35734b2 | 5415 | case QEMU_OPTION_name: |
1889465a AK |
5416 | qemu_name = qemu_strdup(optarg); |
5417 | { | |
5418 | char *p = strchr(qemu_name, ','); | |
5419 | if (p != NULL) { | |
5420 | *p++ = 0; | |
5421 | if (strncmp(p, "process=", 8)) { | |
5422 | fprintf(stderr, "Unknown subargument %s to -name", p); | |
5423 | exit(1); | |
5424 | } | |
5425 | p += 8; | |
5426 | set_proc_name(p); | |
5427 | } | |
5428 | } | |
c35734b2 | 5429 | break; |
95efd11c | 5430 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
66508601 BS |
5431 | case QEMU_OPTION_prom_env: |
5432 | if (nb_prom_envs >= MAX_PROM_ENVS) { | |
5433 | fprintf(stderr, "Too many prom variables\n"); | |
5434 | exit(1); | |
5435 | } | |
5436 | prom_envs[nb_prom_envs] = optarg; | |
5437 | nb_prom_envs++; | |
5438 | break; | |
2b8f2d41 AZ |
5439 | #endif |
5440 | #ifdef TARGET_ARM | |
5441 | case QEMU_OPTION_old_param: | |
5442 | old_param = 1; | |
05ebd537 | 5443 | break; |
66508601 | 5444 | #endif |
f3dcfada TS |
5445 | case QEMU_OPTION_clock: |
5446 | configure_alarms(optarg); | |
5447 | break; | |
7e0af5d0 | 5448 | case QEMU_OPTION_startdate: |
1ed2fc1f JK |
5449 | configure_rtc_date_offset(optarg, 1); |
5450 | break; | |
5451 | case QEMU_OPTION_rtc: | |
5452 | opts = qemu_opts_parse(&qemu_rtc_opts, optarg, NULL); | |
5453 | if (!opts) { | |
5454 | fprintf(stderr, "parse error: %s\n", optarg); | |
5455 | exit(1); | |
7e0af5d0 | 5456 | } |
1ed2fc1f | 5457 | configure_rtc(opts); |
7e0af5d0 | 5458 | break; |
26a5f13b FB |
5459 | case QEMU_OPTION_tb_size: |
5460 | tb_size = strtol(optarg, NULL, 0); | |
5461 | if (tb_size < 0) | |
5462 | tb_size = 0; | |
5463 | break; | |
2e70f6ef PB |
5464 | case QEMU_OPTION_icount: |
5465 | use_icount = 1; | |
5466 | if (strcmp(optarg, "auto") == 0) { | |
5467 | icount_time_shift = -1; | |
5468 | } else { | |
5469 | icount_time_shift = strtol(optarg, NULL, 0); | |
5470 | } | |
5471 | break; | |
5bb7910a AL |
5472 | case QEMU_OPTION_incoming: |
5473 | incoming = optarg; | |
5474 | break; | |
5824d651 | 5475 | #ifndef _WIN32 |
0858532e AL |
5476 | case QEMU_OPTION_chroot: |
5477 | chroot_dir = optarg; | |
5478 | break; | |
5479 | case QEMU_OPTION_runas: | |
5480 | run_as = optarg; | |
5481 | break; | |
e37630ca AL |
5482 | #endif |
5483 | #ifdef CONFIG_XEN | |
5484 | case QEMU_OPTION_xen_domid: | |
5485 | xen_domid = atoi(optarg); | |
5486 | break; | |
5487 | case QEMU_OPTION_xen_create: | |
5488 | xen_mode = XEN_CREATE; | |
5489 | break; | |
5490 | case QEMU_OPTION_xen_attach: | |
5491 | xen_mode = XEN_ATTACH; | |
5492 | break; | |
5824d651 | 5493 | #endif |
715a664a GH |
5494 | case QEMU_OPTION_readconfig: |
5495 | { | |
5496 | FILE *fp; | |
5497 | fp = fopen(optarg, "r"); | |
5498 | if (fp == NULL) { | |
5499 | fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); | |
5500 | exit(1); | |
5501 | } | |
5502 | if (qemu_config_parse(fp) != 0) { | |
5503 | exit(1); | |
5504 | } | |
5505 | fclose(fp); | |
5506 | break; | |
5507 | } | |
5508 | case QEMU_OPTION_writeconfig: | |
5509 | { | |
5510 | FILE *fp; | |
5511 | if (strcmp(optarg, "-") == 0) { | |
5512 | fp = stdout; | |
5513 | } else { | |
5514 | fp = fopen(optarg, "w"); | |
5515 | if (fp == NULL) { | |
5516 | fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); | |
5517 | exit(1); | |
5518 | } | |
5519 | } | |
5520 | qemu_config_write(fp); | |
5521 | fclose(fp); | |
5522 | break; | |
5523 | } | |
cd6f1169 | 5524 | } |
0824d6fc FB |
5525 | } |
5526 | } | |
330d0414 | 5527 | |
5cea8590 PB |
5528 | /* If no data_dir is specified then try to find it relative to the |
5529 | executable path. */ | |
5530 | if (!data_dir) { | |
5531 | data_dir = find_datadir(argv[0]); | |
5532 | } | |
5533 | /* If all else fails use the install patch specified when building. */ | |
5534 | if (!data_dir) { | |
5535 | data_dir = CONFIG_QEMU_SHAREDIR; | |
5536 | } | |
5537 | ||
6be68d7e JS |
5538 | /* |
5539 | * Default to max_cpus = smp_cpus, in case the user doesn't | |
5540 | * specify a max_cpus value. | |
5541 | */ | |
5542 | if (!max_cpus) | |
5543 | max_cpus = smp_cpus; | |
5544 | ||
3d878caa | 5545 | machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ |
b2097003 AL |
5546 | if (smp_cpus > machine->max_cpus) { |
5547 | fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " | |
5548 | "supported by machine `%s' (%d)\n", smp_cpus, machine->name, | |
5549 | machine->max_cpus); | |
5550 | exit(1); | |
5551 | } | |
5552 | ||
998bbd74 GH |
5553 | qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0); |
5554 | ||
993fbfdb | 5555 | if (display_type == DT_NOGRAPHIC) { |
998bbd74 GH |
5556 | if (default_serial) |
5557 | add_device_config(DEV_SERIAL, "stdio"); | |
6a5e8b0e GH |
5558 | if (default_parallel) |
5559 | add_device_config(DEV_PARALLEL, "null"); | |
ddd9bbd9 JK |
5560 | if (strncmp(monitor_devices[0], "vc", 2) == 0) { |
5561 | monitor_devices[0] = "stdio"; | |
5562 | } | |
998bbd74 GH |
5563 | } else { |
5564 | if (default_serial) | |
5565 | add_device_config(DEV_SERIAL, "vc:80Cx24C"); | |
6a5e8b0e GH |
5566 | if (default_parallel) |
5567 | add_device_config(DEV_PARALLEL, "vc:80Cx24C"); | |
bc0129d9 AL |
5568 | } |
5569 | ||
1a688d3b GH |
5570 | if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0) |
5571 | exit(1); | |
5572 | ||
71e3ceb8 | 5573 | #ifndef _WIN32 |
71e3ceb8 TS |
5574 | if (daemonize) { |
5575 | pid_t pid; | |
5576 | ||
5577 | if (pipe(fds) == -1) | |
5578 | exit(1); | |
5579 | ||
5580 | pid = fork(); | |
5581 | if (pid > 0) { | |
5582 | uint8_t status; | |
5583 | ssize_t len; | |
5584 | ||
5585 | close(fds[1]); | |
5586 | ||
5587 | again: | |
93815bc2 TS |
5588 | len = read(fds[0], &status, 1); |
5589 | if (len == -1 && (errno == EINTR)) | |
5590 | goto again; | |
5591 | ||
5592 | if (len != 1) | |
5593 | exit(1); | |
5594 | else if (status == 1) { | |
850810d0 | 5595 | fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno)); |
93815bc2 TS |
5596 | exit(1); |
5597 | } else | |
5598 | exit(0); | |
71e3ceb8 | 5599 | } else if (pid < 0) |
93815bc2 | 5600 | exit(1); |
71e3ceb8 | 5601 | |
40ff6d7e KW |
5602 | close(fds[0]); |
5603 | qemu_set_cloexec(fds[1]); | |
5604 | ||
71e3ceb8 TS |
5605 | setsid(); |
5606 | ||
5607 | pid = fork(); | |
5608 | if (pid > 0) | |
5609 | exit(0); | |
5610 | else if (pid < 0) | |
5611 | exit(1); | |
5612 | ||
5613 | umask(027); | |
71e3ceb8 TS |
5614 | |
5615 | signal(SIGTSTP, SIG_IGN); | |
5616 | signal(SIGTTOU, SIG_IGN); | |
5617 | signal(SIGTTIN, SIG_IGN); | |
5618 | } | |
71e3ceb8 | 5619 | |
aa26bb2d | 5620 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
93815bc2 TS |
5621 | if (daemonize) { |
5622 | uint8_t status = 1; | |
5623 | write(fds[1], &status, 1); | |
5624 | } else | |
850810d0 | 5625 | fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno)); |
93815bc2 TS |
5626 | exit(1); |
5627 | } | |
b9e82a59 | 5628 | #endif |
93815bc2 | 5629 | |
214910a7 MT |
5630 | if (kvm_enabled()) { |
5631 | int ret; | |
5632 | ||
5633 | ret = kvm_init(smp_cpus); | |
5634 | if (ret < 0) { | |
5635 | fprintf(stderr, "failed to initialize KVM\n"); | |
5636 | exit(1); | |
5637 | } | |
5638 | } | |
5639 | ||
3fcf7b6b AL |
5640 | if (qemu_init_main_loop()) { |
5641 | fprintf(stderr, "qemu_init_main_loop failed\n"); | |
5642 | exit(1); | |
5643 | } | |
a20dd508 | 5644 | linux_boot = (kernel_filename != NULL); |
6c41b272 | 5645 | |
f8d39c01 TS |
5646 | if (!linux_boot && *kernel_cmdline != '\0') { |
5647 | fprintf(stderr, "-append only allowed with -kernel option\n"); | |
5648 | exit(1); | |
5649 | } | |
5650 | ||
5651 | if (!linux_boot && initrd_filename != NULL) { | |
5652 | fprintf(stderr, "-initrd only allowed with -kernel option\n"); | |
5653 | exit(1); | |
5654 | } | |
5655 | ||
bf65f53f FN |
5656 | #ifndef _WIN32 |
5657 | /* Win32 doesn't support line-buffering and requires size >= 2 */ | |
b118d61e | 5658 | setvbuf(stdout, NULL, _IOLBF, 0); |
bf65f53f | 5659 | #endif |
3b46e624 | 5660 | |
7183b4b4 AL |
5661 | if (init_timer_alarm() < 0) { |
5662 | fprintf(stderr, "could not initialize alarm timer\n"); | |
5663 | exit(1); | |
5664 | } | |
2e70f6ef PB |
5665 | if (use_icount && icount_time_shift < 0) { |
5666 | use_icount = 2; | |
5667 | /* 125MIPS seems a reasonable initial guess at the guest speed. | |
5668 | It will be corrected fairly quickly anyway. */ | |
5669 | icount_time_shift = 3; | |
5670 | init_icount_adjust(); | |
5671 | } | |
634fce96 | 5672 | |
fd1dff4b FB |
5673 | #ifdef _WIN32 |
5674 | socket_init(); | |
5675 | #endif | |
5676 | ||
dc1c9fe8 MM |
5677 | if (net_init_clients() < 0) { |
5678 | exit(1); | |
702c651c | 5679 | } |
f1510b2c | 5680 | |
406c8df3 GC |
5681 | net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
5682 | net_set_boot_mask(net_boot); | |
5683 | ||
dc72ac14 | 5684 | /* init the bluetooth world */ |
bd3c948d GH |
5685 | if (foreach_device_config(DEV_BT, bt_parse)) |
5686 | exit(1); | |
dc72ac14 | 5687 | |
0824d6fc | 5688 | /* init the memory */ |
94a6b54f PB |
5689 | if (ram_size == 0) |
5690 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
9ae02555 | 5691 | |
26a5f13b FB |
5692 | /* init the dynamic translator */ |
5693 | cpu_exec_init_all(tb_size * 1024 * 1024); | |
5694 | ||
eb852011 | 5695 | bdrv_init_with_whitelist(); |
c4b1fcc0 | 5696 | |
c163b5ca | 5697 | blk_mig_init(); |
5698 | ||
e4bcb14c | 5699 | /* we always create the cdrom drive, even if no disk is there */ |
3b0ba927 | 5700 | drive_add(NULL, CDROM_ALIAS); |
c4b1fcc0 | 5701 | |
9d413d1d | 5702 | /* we always create at least one floppy */ |
3b0ba927 | 5703 | drive_add(NULL, FD_ALIAS, 0); |
86f55663 | 5704 | |
9d413d1d | 5705 | /* we always create one sd slot, even if no card is in it */ |
3b0ba927 | 5706 | drive_add(NULL, SD_ALIAS); |
9d413d1d | 5707 | |
e4bcb14c | 5708 | /* open the virtual block devices */ |
9dfd7c7a | 5709 | if (snapshot) |
7282a033 GH |
5710 | qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0); |
5711 | if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0) | |
9dfd7c7a | 5712 | exit(1); |
3e3d5815 | 5713 | |
2faf58cd | 5714 | vmstate_register(0, &vmstate_timers ,&timers_state); |
c163b5ca | 5715 | register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL, |
5716 | ram_load, NULL); | |
8a7ddc38 | 5717 | |
3023f332 | 5718 | /* Maintain compatibility with multiple stdio monitors */ |
998bbd74 | 5719 | serial_monitor_mux(monitor_devices); |
3023f332 | 5720 | |
268a362c AL |
5721 | if (nb_numa_nodes > 0) { |
5722 | int i; | |
5723 | ||
5724 | if (nb_numa_nodes > smp_cpus) { | |
5725 | nb_numa_nodes = smp_cpus; | |
5726 | } | |
5727 | ||
5728 | /* If no memory size if given for any node, assume the default case | |
5729 | * and distribute the available memory equally across all nodes | |
5730 | */ | |
5731 | for (i = 0; i < nb_numa_nodes; i++) { | |
5732 | if (node_mem[i] != 0) | |
5733 | break; | |
5734 | } | |
5735 | if (i == nb_numa_nodes) { | |
5736 | uint64_t usedmem = 0; | |
5737 | ||
5738 | /* On Linux, the each node's border has to be 8MB aligned, | |
5739 | * the final node gets the rest. | |
5740 | */ | |
5741 | for (i = 0; i < nb_numa_nodes - 1; i++) { | |
5742 | node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); | |
5743 | usedmem += node_mem[i]; | |
5744 | } | |
5745 | node_mem[i] = ram_size - usedmem; | |
5746 | } | |
5747 | ||
5748 | for (i = 0; i < nb_numa_nodes; i++) { | |
5749 | if (node_cpumask[i] != 0) | |
5750 | break; | |
5751 | } | |
5752 | /* assigning the VCPUs round-robin is easier to implement, guest OSes | |
5753 | * must cope with this anyway, because there are BIOSes out there in | |
5754 | * real machines which also use this scheme. | |
5755 | */ | |
5756 | if (i == nb_numa_nodes) { | |
5757 | for (i = 0; i < smp_cpus; i++) { | |
5758 | node_cpumask[i % nb_numa_nodes] |= 1 << i; | |
5759 | } | |
5760 | } | |
5761 | } | |
5762 | ||
ddd9bbd9 JK |
5763 | for (i = 0; i < MAX_MONITOR_DEVICES; i++) { |
5764 | const char *devname = monitor_devices[i]; | |
5765 | if (devname && strcmp(devname, "none")) { | |
5766 | char label[32]; | |
5767 | if (i == 0) { | |
5768 | snprintf(label, sizeof(label), "monitor"); | |
5769 | } else { | |
5770 | snprintf(label, sizeof(label), "monitor%d", i); | |
5771 | } | |
5772 | monitor_hds[i] = qemu_chr_open(label, devname, NULL); | |
5773 | if (!monitor_hds[i]) { | |
5774 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", | |
5775 | devname); | |
5776 | exit(1); | |
5777 | } | |
4c621805 AL |
5778 | } |
5779 | } | |
5780 | ||
998bbd74 GH |
5781 | if (foreach_device_config(DEV_SERIAL, serial_parse) < 0) |
5782 | exit(1); | |
6a5e8b0e GH |
5783 | if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0) |
5784 | exit(1); | |
2796dae0 AL |
5785 | |
5786 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) { | |
5787 | const char *devname = virtio_consoles[i]; | |
5788 | if (devname && strcmp(devname, "none")) { | |
5789 | char label[32]; | |
5790 | snprintf(label, sizeof(label), "virtcon%d", i); | |
ceecf1d1 | 5791 | virtcon_hds[i] = qemu_chr_open(label, devname, NULL); |
2796dae0 | 5792 | if (!virtcon_hds[i]) { |
850810d0 JF |
5793 | fprintf(stderr, "qemu: could not open virtio console '%s': %s\n", |
5794 | devname, strerror(errno)); | |
2796dae0 AL |
5795 | exit(1); |
5796 | } | |
5797 | } | |
5798 | } | |
5799 | ||
aae9460e PB |
5800 | module_call_init(MODULE_INIT_DEVICE); |
5801 | ||
09aaa160 MA |
5802 | if (watchdog) { |
5803 | i = select_watchdog(watchdog); | |
5804 | if (i > 0) | |
5805 | exit (i == 1 ? 1 : 0); | |
5806 | } | |
5807 | ||
b6b61144 | 5808 | if (machine->compat_props) { |
458fb679 | 5809 | qdev_prop_register_global_list(machine->compat_props); |
b6b61144 | 5810 | } |
d0fef6fb GH |
5811 | qemu_add_globals(); |
5812 | ||
fbe1b595 | 5813 | machine->init(ram_size, boot_devices, |
3023f332 AL |
5814 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
5815 | ||
268a362c | 5816 | |
67b3b71d JQ |
5817 | #ifndef _WIN32 |
5818 | /* must be after terminal init, SDL library changes signal handlers */ | |
5819 | sighandler_setup(); | |
5820 | #endif | |
5821 | ||
268a362c AL |
5822 | for (env = first_cpu; env != NULL; env = env->next_cpu) { |
5823 | for (i = 0; i < nb_numa_nodes; i++) { | |
5824 | if (node_cpumask[i] & (1 << env->cpu_index)) { | |
5825 | env->numa_node = i; | |
5826 | } | |
5827 | } | |
5828 | } | |
5829 | ||
6f338c34 AL |
5830 | current_machine = machine; |
5831 | ||
3023f332 AL |
5832 | /* init USB devices */ |
5833 | if (usb_enabled) { | |
0752706d MA |
5834 | if (foreach_device_config(DEV_USB, usb_parse) < 0) |
5835 | exit(1); | |
3023f332 AL |
5836 | } |
5837 | ||
bd3c948d | 5838 | /* init generic devices */ |
f31d07d1 | 5839 | if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0) |
bd3c948d GH |
5840 | exit(1); |
5841 | ||
8f391ab4 AL |
5842 | if (!display_state) |
5843 | dumb_display_init(); | |
3023f332 AL |
5844 | /* just use the first displaystate for the moment */ |
5845 | ds = display_state; | |
993fbfdb AL |
5846 | |
5847 | if (display_type == DT_DEFAULT) { | |
5848 | #if defined(CONFIG_SDL) || defined(CONFIG_COCOA) | |
5849 | display_type = DT_SDL; | |
5850 | #else | |
5851 | display_type = DT_VNC; | |
5852 | vnc_display = "localhost:0,to=99"; | |
5853 | show_vnc_port = 1; | |
5854 | #endif | |
5855 | } | |
5856 | ||
5857 | ||
5858 | switch (display_type) { | |
5859 | case DT_NOGRAPHIC: | |
5860 | break; | |
4d3b6f6e | 5861 | #if defined(CONFIG_CURSES) |
993fbfdb AL |
5862 | case DT_CURSES: |
5863 | curses_display_init(ds, full_screen); | |
5864 | break; | |
4d3b6f6e | 5865 | #endif |
5b0753e0 | 5866 | #if defined(CONFIG_SDL) |
993fbfdb AL |
5867 | case DT_SDL: |
5868 | sdl_display_init(ds, full_screen, no_frame); | |
5869 | break; | |
5b0753e0 | 5870 | #elif defined(CONFIG_COCOA) |
993fbfdb AL |
5871 | case DT_SDL: |
5872 | cocoa_display_init(ds, full_screen); | |
5873 | break; | |
313aa567 | 5874 | #endif |
993fbfdb AL |
5875 | case DT_VNC: |
5876 | vnc_display_init(ds); | |
5877 | if (vnc_display_open(ds, vnc_display) < 0) | |
5878 | exit(1); | |
f92f8afe | 5879 | |
993fbfdb AL |
5880 | if (show_vnc_port) { |
5881 | printf("VNC server running on `%s'\n", vnc_display_local_addr(ds)); | |
f92f8afe | 5882 | } |
993fbfdb AL |
5883 | break; |
5884 | default: | |
5885 | break; | |
313aa567 | 5886 | } |
7d957bd8 | 5887 | dpy_resize(ds); |
5b08fc10 | 5888 | |
3023f332 AL |
5889 | dcl = ds->listeners; |
5890 | while (dcl != NULL) { | |
5891 | if (dcl->dpy_refresh != NULL) { | |
5892 | ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds); | |
5893 | qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock)); | |
20d8a3ed | 5894 | } |
3023f332 | 5895 | dcl = dcl->next; |
20d8a3ed | 5896 | } |
3023f332 | 5897 | |
993fbfdb | 5898 | if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) { |
9043b62d BS |
5899 | nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL); |
5900 | qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock)); | |
5901 | } | |
5902 | ||
2796dae0 AL |
5903 | text_consoles_set_display(display_state); |
5904 | ||
ddd9bbd9 JK |
5905 | for (i = 0; i < MAX_MONITOR_DEVICES; i++) { |
5906 | if (monitor_devices[i] && monitor_hds[i]) { | |
4e307fc8 GH |
5907 | monitor_init(monitor_hds[i], |
5908 | MONITOR_USE_READLINE | | |
5909 | ((i == 0) ? MONITOR_IS_DEFAULT : 0)); | |
ddd9bbd9 JK |
5910 | } |
5911 | } | |
82c643ff | 5912 | |
59030a8c AL |
5913 | if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { |
5914 | fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n", | |
5915 | gdbstub_dev); | |
5916 | exit(1); | |
45669e00 | 5917 | } |
45669e00 | 5918 | |
3418bd25 GH |
5919 | qdev_machine_creation_done(); |
5920 | ||
45a50b16 GH |
5921 | rom_load_all(); |
5922 | ||
504c2948 | 5923 | qemu_system_reset(); |
05f2401e JQ |
5924 | if (loadvm) { |
5925 | if (load_vmstate(cur_mon, loadvm) < 0) { | |
5926 | autostart = 0; | |
5927 | } | |
5928 | } | |
d63d307f | 5929 | |
2bb8c10c | 5930 | if (incoming) { |
5bb7910a | 5931 | qemu_start_incoming_migration(incoming); |
6b99dadc | 5932 | } else if (autostart) { |
c0f4ce77 | 5933 | vm_start(); |
6b99dadc | 5934 | } |
ffd843bc | 5935 | |
b9e82a59 | 5936 | #ifndef _WIN32 |
71e3ceb8 TS |
5937 | if (daemonize) { |
5938 | uint8_t status = 0; | |
5939 | ssize_t len; | |
71e3ceb8 TS |
5940 | |
5941 | again1: | |
5942 | len = write(fds[1], &status, 1); | |
5943 | if (len == -1 && (errno == EINTR)) | |
5944 | goto again1; | |
5945 | ||
5946 | if (len != 1) | |
5947 | exit(1); | |
5948 | ||
bd54b863 | 5949 | chdir("/"); |
40ff6d7e | 5950 | TFR(fd = qemu_open("/dev/null", O_RDWR)); |
71e3ceb8 TS |
5951 | if (fd == -1) |
5952 | exit(1); | |
0858532e | 5953 | } |
71e3ceb8 | 5954 | |
0858532e AL |
5955 | if (run_as) { |
5956 | pwd = getpwnam(run_as); | |
5957 | if (!pwd) { | |
5958 | fprintf(stderr, "User \"%s\" doesn't exist\n", run_as); | |
5959 | exit(1); | |
5960 | } | |
5961 | } | |
5962 | ||
5963 | if (chroot_dir) { | |
5964 | if (chroot(chroot_dir) < 0) { | |
5965 | fprintf(stderr, "chroot failed\n"); | |
5966 | exit(1); | |
5967 | } | |
5968 | chdir("/"); | |
5969 | } | |
5970 | ||
5971 | if (run_as) { | |
5972 | if (setgid(pwd->pw_gid) < 0) { | |
5973 | fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid); | |
5974 | exit(1); | |
5975 | } | |
5976 | if (setuid(pwd->pw_uid) < 0) { | |
5977 | fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid); | |
5978 | exit(1); | |
5979 | } | |
5980 | if (setuid(0) != -1) { | |
5981 | fprintf(stderr, "Dropping privileges failed\n"); | |
5982 | exit(1); | |
5983 | } | |
5984 | } | |
0858532e AL |
5985 | |
5986 | if (daemonize) { | |
5987 | dup2(fd, 0); | |
5988 | dup2(fd, 1); | |
5989 | dup2(fd, 2); | |
71e3ceb8 | 5990 | |
0858532e | 5991 | close(fd); |
71e3ceb8 | 5992 | } |
b9e82a59 | 5993 | #endif |
71e3ceb8 | 5994 | |
8a7ddc38 | 5995 | main_loop(); |
40c3bac3 | 5996 | quit_timers(); |
63a01ef8 | 5997 | net_cleanup(); |
b46a8906 | 5998 | |
0824d6fc FB |
5999 | return 0; |
6000 | } |