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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; |
84db615a | 196 | int vga_interface_type = VGA_NONE; |
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]; |
a20600b9 | 214 | CharDriverState *monitor_hds[MAX_MONITOR_DEVICES]; |
a09db21f FB |
215 | #ifdef TARGET_I386 |
216 | int win2k_install_hack = 0; | |
73822ec8 | 217 | int rtc_td_hack = 0; |
a09db21f | 218 | #endif |
bb36d470 | 219 | int usb_enabled = 0; |
1b530a6d | 220 | int singlestep = 0; |
6a00d601 | 221 | int smp_cpus = 1; |
6be68d7e | 222 | int max_cpus = 0; |
dc6b1c09 AP |
223 | int smp_cores = 1; |
224 | int smp_threads = 1; | |
73fc9742 | 225 | const char *vnc_display; |
6515b203 | 226 | int acpi_enabled = 1; |
16b29ae1 | 227 | int no_hpet = 0; |
52ca8d6a | 228 | int fd_bootchk = 1; |
d1beab82 | 229 | int no_reboot = 0; |
b2f76161 | 230 | int no_shutdown = 0; |
9467cd46 | 231 | int cursor_hide = 1; |
a171fe39 | 232 | int graphic_rotate = 0; |
6b35e7bf | 233 | uint8_t irq0override = 1; |
b9e82a59 | 234 | #ifndef _WIN32 |
71e3ceb8 | 235 | int daemonize = 0; |
b9e82a59 | 236 | #endif |
09aaa160 | 237 | const char *watchdog; |
9ae02555 TS |
238 | const char *option_rom[MAX_OPTION_ROMS]; |
239 | int nb_option_roms; | |
8e71621f | 240 | int semihosting_enabled = 0; |
2b8f2d41 AZ |
241 | #ifdef TARGET_ARM |
242 | int old_param = 0; | |
243 | #endif | |
c35734b2 | 244 | const char *qemu_name; |
3780e197 | 245 | int alt_grab = 0; |
0ca9f8a4 | 246 | int ctrl_grab = 0; |
95efd11c | 247 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
66508601 BS |
248 | unsigned int nb_prom_envs = 0; |
249 | const char *prom_envs[MAX_PROM_ENVS]; | |
250 | #endif | |
95387491 | 251 | int boot_menu; |
0824d6fc | 252 | |
268a362c AL |
253 | int nb_numa_nodes; |
254 | uint64_t node_mem[MAX_NODES]; | |
255 | uint64_t node_cpumask[MAX_NODES]; | |
256 | ||
ee5605e5 AZ |
257 | static CPUState *cur_cpu; |
258 | static CPUState *next_cpu; | |
43b96858 | 259 | static int timer_alarm_pending = 1; |
bf20dc07 | 260 | /* Conversion factor from emulated instructions to virtual clock ticks. */ |
2e70f6ef | 261 | static int icount_time_shift; |
bf20dc07 | 262 | /* Arbitrarily pick 1MIPS as the minimum allowable speed. */ |
2e70f6ef PB |
263 | #define MAX_ICOUNT_SHIFT 10 |
264 | /* Compensate for varying guest execution speed. */ | |
265 | static int64_t qemu_icount_bias; | |
dbed7e40 BS |
266 | static QEMUTimer *icount_rt_timer; |
267 | static QEMUTimer *icount_vm_timer; | |
9043b62d | 268 | static QEMUTimer *nographic_timer; |
ee5605e5 | 269 | |
8fcb1b90 BS |
270 | uint8_t qemu_uuid[16]; |
271 | ||
76e30d0f JK |
272 | static QEMUBootSetHandler *boot_set_handler; |
273 | static void *boot_set_opaque; | |
274 | ||
96639424 | 275 | static int default_serial = 1; |
4986fd41 | 276 | static int default_parallel = 1; |
a20600b9 | 277 | static int default_monitor = 1; |
84db615a | 278 | static int default_vga = 1; |
96639424 GH |
279 | |
280 | static struct { | |
281 | const char *driver; | |
282 | int *flag; | |
283 | } default_list[] = { | |
4986fd41 GH |
284 | { .driver = "isa-serial", .flag = &default_serial }, |
285 | { .driver = "isa-parallel", .flag = &default_parallel }, | |
84db615a GH |
286 | { .driver = "VGA", .flag = &default_vga }, |
287 | { .driver = "Cirrus VGA", .flag = &default_vga }, | |
288 | { .driver = "QEMUware SVGA", .flag = &default_vga }, | |
96639424 GH |
289 | }; |
290 | ||
291 | static int default_driver_check(QemuOpts *opts, void *opaque) | |
292 | { | |
293 | const char *driver = qemu_opt_get(opts, "driver"); | |
294 | int i; | |
295 | ||
296 | if (!driver) | |
297 | return 0; | |
298 | for (i = 0; i < ARRAY_SIZE(default_list); i++) { | |
299 | if (strcmp(default_list[i].driver, driver) != 0) | |
300 | continue; | |
301 | *(default_list[i].flag) = 0; | |
302 | } | |
303 | return 0; | |
304 | } | |
305 | ||
0824d6fc | 306 | /***********************************************************/ |
26aa7d72 FB |
307 | /* x86 ISA bus support */ |
308 | ||
c227f099 | 309 | target_phys_addr_t isa_mem_base = 0; |
3de388f6 | 310 | PicState2 *isa_pic; |
0824d6fc | 311 | |
0824d6fc | 312 | /***********************************************************/ |
0824d6fc FB |
313 | void hw_error(const char *fmt, ...) |
314 | { | |
315 | va_list ap; | |
6a00d601 | 316 | CPUState *env; |
0824d6fc FB |
317 | |
318 | va_start(ap, fmt); | |
319 | fprintf(stderr, "qemu: hardware error: "); | |
320 | vfprintf(stderr, fmt, ap); | |
321 | fprintf(stderr, "\n"); | |
6a00d601 FB |
322 | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
323 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
0824d6fc | 324 | #ifdef TARGET_I386 |
6a00d601 | 325 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
c45886db | 326 | #else |
6a00d601 | 327 | cpu_dump_state(env, stderr, fprintf, 0); |
0824d6fc | 328 | #endif |
6a00d601 | 329 | } |
0824d6fc FB |
330 | va_end(ap); |
331 | abort(); | |
332 | } | |
1889465a AK |
333 | |
334 | static void set_proc_name(const char *s) | |
335 | { | |
6ca8d0fd | 336 | #if defined(__linux__) && defined(PR_SET_NAME) |
1889465a AK |
337 | char name[16]; |
338 | if (!s) | |
339 | return; | |
340 | name[sizeof(name) - 1] = 0; | |
341 | strncpy(name, s, sizeof(name)); | |
342 | /* Could rewrite argv[0] too, but that's a bit more complicated. | |
343 | This simple way is enough for `top'. */ | |
344 | prctl(PR_SET_NAME, name); | |
345 | #endif | |
346 | } | |
df751fa8 AL |
347 | |
348 | /***************/ | |
349 | /* ballooning */ | |
350 | ||
351 | static QEMUBalloonEvent *qemu_balloon_event; | |
352 | void *qemu_balloon_event_opaque; | |
353 | ||
354 | void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) | |
355 | { | |
356 | qemu_balloon_event = func; | |
357 | qemu_balloon_event_opaque = opaque; | |
358 | } | |
359 | ||
c227f099 | 360 | void qemu_balloon(ram_addr_t target) |
df751fa8 AL |
361 | { |
362 | if (qemu_balloon_event) | |
363 | qemu_balloon_event(qemu_balloon_event_opaque, target); | |
364 | } | |
365 | ||
c227f099 | 366 | ram_addr_t qemu_balloon_status(void) |
df751fa8 AL |
367 | { |
368 | if (qemu_balloon_event) | |
369 | return qemu_balloon_event(qemu_balloon_event_opaque, 0); | |
370 | return 0; | |
371 | } | |
0824d6fc | 372 | |
63066f4f FB |
373 | /***********************************************************/ |
374 | /* keyboard/mouse */ | |
375 | ||
376 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
377 | static void *qemu_put_kbd_event_opaque; | |
455204eb TS |
378 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; |
379 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; | |
63066f4f FB |
380 | |
381 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
382 | { | |
383 | qemu_put_kbd_event_opaque = opaque; | |
384 | qemu_put_kbd_event = func; | |
385 | } | |
386 | ||
455204eb TS |
387 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, |
388 | void *opaque, int absolute, | |
389 | const char *name) | |
63066f4f | 390 | { |
455204eb TS |
391 | QEMUPutMouseEntry *s, *cursor; |
392 | ||
393 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); | |
455204eb TS |
394 | |
395 | s->qemu_put_mouse_event = func; | |
396 | s->qemu_put_mouse_event_opaque = opaque; | |
397 | s->qemu_put_mouse_event_absolute = absolute; | |
398 | s->qemu_put_mouse_event_name = qemu_strdup(name); | |
399 | s->next = NULL; | |
400 | ||
401 | if (!qemu_put_mouse_event_head) { | |
402 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; | |
403 | return s; | |
404 | } | |
405 | ||
406 | cursor = qemu_put_mouse_event_head; | |
407 | while (cursor->next != NULL) | |
408 | cursor = cursor->next; | |
409 | ||
410 | cursor->next = s; | |
411 | qemu_put_mouse_event_current = s; | |
412 | ||
413 | return s; | |
414 | } | |
415 | ||
416 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) | |
417 | { | |
418 | QEMUPutMouseEntry *prev = NULL, *cursor; | |
419 | ||
420 | if (!qemu_put_mouse_event_head || entry == NULL) | |
421 | return; | |
422 | ||
423 | cursor = qemu_put_mouse_event_head; | |
424 | while (cursor != NULL && cursor != entry) { | |
425 | prev = cursor; | |
426 | cursor = cursor->next; | |
427 | } | |
428 | ||
429 | if (cursor == NULL) // does not exist or list empty | |
430 | return; | |
431 | else if (prev == NULL) { // entry is head | |
432 | qemu_put_mouse_event_head = cursor->next; | |
433 | if (qemu_put_mouse_event_current == entry) | |
434 | qemu_put_mouse_event_current = cursor->next; | |
435 | qemu_free(entry->qemu_put_mouse_event_name); | |
436 | qemu_free(entry); | |
437 | return; | |
438 | } | |
439 | ||
440 | prev->next = entry->next; | |
441 | ||
442 | if (qemu_put_mouse_event_current == entry) | |
443 | qemu_put_mouse_event_current = prev; | |
444 | ||
445 | qemu_free(entry->qemu_put_mouse_event_name); | |
446 | qemu_free(entry); | |
63066f4f FB |
447 | } |
448 | ||
449 | void kbd_put_keycode(int keycode) | |
450 | { | |
451 | if (qemu_put_kbd_event) { | |
452 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
453 | } | |
454 | } | |
455 | ||
456 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
457 | { | |
455204eb TS |
458 | QEMUPutMouseEvent *mouse_event; |
459 | void *mouse_event_opaque; | |
a171fe39 | 460 | int width; |
455204eb TS |
461 | |
462 | if (!qemu_put_mouse_event_current) { | |
463 | return; | |
464 | } | |
465 | ||
466 | mouse_event = | |
467 | qemu_put_mouse_event_current->qemu_put_mouse_event; | |
468 | mouse_event_opaque = | |
469 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; | |
470 | ||
471 | if (mouse_event) { | |
a171fe39 AZ |
472 | if (graphic_rotate) { |
473 | if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) | |
474 | width = 0x7fff; | |
475 | else | |
b94ed577 | 476 | width = graphic_width - 1; |
a171fe39 AZ |
477 | mouse_event(mouse_event_opaque, |
478 | width - dy, dx, dz, buttons_state); | |
479 | } else | |
480 | mouse_event(mouse_event_opaque, | |
481 | dx, dy, dz, buttons_state); | |
63066f4f FB |
482 | } |
483 | } | |
484 | ||
09b26c5e FB |
485 | int kbd_mouse_is_absolute(void) |
486 | { | |
455204eb TS |
487 | if (!qemu_put_mouse_event_current) |
488 | return 0; | |
489 | ||
490 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; | |
491 | } | |
492 | ||
376253ec | 493 | void do_info_mice(Monitor *mon) |
455204eb TS |
494 | { |
495 | QEMUPutMouseEntry *cursor; | |
496 | int index = 0; | |
497 | ||
498 | if (!qemu_put_mouse_event_head) { | |
376253ec | 499 | monitor_printf(mon, "No mouse devices connected\n"); |
455204eb TS |
500 | return; |
501 | } | |
502 | ||
376253ec | 503 | monitor_printf(mon, "Mouse devices available:\n"); |
455204eb TS |
504 | cursor = qemu_put_mouse_event_head; |
505 | while (cursor != NULL) { | |
376253ec AL |
506 | monitor_printf(mon, "%c Mouse #%d: %s\n", |
507 | (cursor == qemu_put_mouse_event_current ? '*' : ' '), | |
508 | index, cursor->qemu_put_mouse_event_name); | |
455204eb TS |
509 | index++; |
510 | cursor = cursor->next; | |
511 | } | |
512 | } | |
513 | ||
d54908a5 | 514 | void do_mouse_set(Monitor *mon, const QDict *qdict) |
455204eb TS |
515 | { |
516 | QEMUPutMouseEntry *cursor; | |
517 | int i = 0; | |
d54908a5 | 518 | int index = qdict_get_int(qdict, "index"); |
455204eb TS |
519 | |
520 | if (!qemu_put_mouse_event_head) { | |
376253ec | 521 | monitor_printf(mon, "No mouse devices connected\n"); |
455204eb TS |
522 | return; |
523 | } | |
524 | ||
525 | cursor = qemu_put_mouse_event_head; | |
526 | while (cursor != NULL && index != i) { | |
527 | i++; | |
528 | cursor = cursor->next; | |
529 | } | |
530 | ||
531 | if (cursor != NULL) | |
532 | qemu_put_mouse_event_current = cursor; | |
533 | else | |
376253ec | 534 | monitor_printf(mon, "Mouse at given index not found\n"); |
09b26c5e FB |
535 | } |
536 | ||
1dce7c3c FB |
537 | /* compute with 96 bit intermediate result: (a*b)/c */ |
538 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
0824d6fc | 539 | { |
1dce7c3c FB |
540 | union { |
541 | uint64_t ll; | |
542 | struct { | |
e2542fe2 | 543 | #ifdef HOST_WORDS_BIGENDIAN |
1dce7c3c FB |
544 | uint32_t high, low; |
545 | #else | |
546 | uint32_t low, high; | |
3b46e624 | 547 | #endif |
1dce7c3c FB |
548 | } l; |
549 | } u, res; | |
550 | uint64_t rl, rh; | |
0824d6fc | 551 | |
1dce7c3c FB |
552 | u.ll = a; |
553 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
554 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
555 | rh += (rl >> 32); | |
556 | res.l.high = rh / c; | |
557 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
558 | return res.ll; | |
34865134 FB |
559 | } |
560 | ||
1dce7c3c FB |
561 | /***********************************************************/ |
562 | /* real time host monotonic timer */ | |
34865134 | 563 | |
21d5d12b JK |
564 | static int64_t get_clock_realtime(void) |
565 | { | |
566 | struct timeval tv; | |
567 | ||
568 | gettimeofday(&tv, NULL); | |
569 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); | |
570 | } | |
571 | ||
1dce7c3c | 572 | #ifdef WIN32 |
0824d6fc | 573 | |
1dce7c3c | 574 | static int64_t clock_freq; |
1115dde7 | 575 | |
1dce7c3c | 576 | static void init_get_clock(void) |
1115dde7 | 577 | { |
a8e5ac33 FB |
578 | LARGE_INTEGER freq; |
579 | int ret; | |
1dce7c3c FB |
580 | ret = QueryPerformanceFrequency(&freq); |
581 | if (ret == 0) { | |
582 | fprintf(stderr, "Could not calibrate ticks\n"); | |
583 | exit(1); | |
584 | } | |
585 | clock_freq = freq.QuadPart; | |
1115dde7 FB |
586 | } |
587 | ||
1dce7c3c | 588 | static int64_t get_clock(void) |
b8076a74 | 589 | { |
1dce7c3c FB |
590 | LARGE_INTEGER ti; |
591 | QueryPerformanceCounter(&ti); | |
274dfed8 | 592 | return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq); |
b8076a74 FB |
593 | } |
594 | ||
1dce7c3c | 595 | #else |
90cb9493 | 596 | |
1dce7c3c FB |
597 | static int use_rt_clock; |
598 | ||
599 | static void init_get_clock(void) | |
90cb9493 | 600 | { |
1dce7c3c | 601 | use_rt_clock = 0; |
c5e97233 | 602 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
a167ba50 | 603 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
1dce7c3c FB |
604 | { |
605 | struct timespec ts; | |
606 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { | |
607 | use_rt_clock = 1; | |
608 | } | |
609 | } | |
610 | #endif | |
90cb9493 FB |
611 | } |
612 | ||
1dce7c3c | 613 | static int64_t get_clock(void) |
fdbb4691 | 614 | { |
c5e97233 | 615 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
a167ba50 | 616 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
1dce7c3c FB |
617 | if (use_rt_clock) { |
618 | struct timespec ts; | |
619 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
620 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; | |
5fafdf24 | 621 | } else |
fdbb4691 | 622 | #endif |
1dce7c3c FB |
623 | { |
624 | /* XXX: using gettimeofday leads to problems if the date | |
625 | changes, so it should be avoided. */ | |
21d5d12b | 626 | return get_clock_realtime(); |
1dce7c3c | 627 | } |
fdbb4691 | 628 | } |
34865134 FB |
629 | #endif |
630 | ||
2e70f6ef PB |
631 | /* Return the virtual CPU time, based on the instruction counter. */ |
632 | static int64_t cpu_get_icount(void) | |
633 | { | |
634 | int64_t icount; | |
635 | CPUState *env = cpu_single_env;; | |
636 | icount = qemu_icount; | |
637 | if (env) { | |
638 | if (!can_do_io(env)) | |
639 | fprintf(stderr, "Bad clock read\n"); | |
640 | icount -= (env->icount_decr.u16.low + env->icount_extra); | |
641 | } | |
642 | return qemu_icount_bias + (icount << icount_time_shift); | |
643 | } | |
644 | ||
1dce7c3c FB |
645 | /***********************************************************/ |
646 | /* guest cycle counter */ | |
647 | ||
6f68e33e JQ |
648 | typedef struct TimersState { |
649 | int64_t cpu_ticks_prev; | |
650 | int64_t cpu_ticks_offset; | |
651 | int64_t cpu_clock_offset; | |
652 | int32_t cpu_ticks_enabled; | |
274dfed8 | 653 | int64_t dummy; |
6f68e33e JQ |
654 | } TimersState; |
655 | ||
656 | TimersState timers_state; | |
34865134 | 657 | |
1dce7c3c FB |
658 | /* return the host CPU cycle counter and handle stop/restart */ |
659 | int64_t cpu_get_ticks(void) | |
34865134 | 660 | { |
2e70f6ef PB |
661 | if (use_icount) { |
662 | return cpu_get_icount(); | |
663 | } | |
6f68e33e JQ |
664 | if (!timers_state.cpu_ticks_enabled) { |
665 | return timers_state.cpu_ticks_offset; | |
8a7ddc38 | 666 | } else { |
eade0f19 FB |
667 | int64_t ticks; |
668 | ticks = cpu_get_real_ticks(); | |
6f68e33e | 669 | if (timers_state.cpu_ticks_prev > ticks) { |
eade0f19 FB |
670 | /* Note: non increasing ticks may happen if the host uses |
671 | software suspend */ | |
6f68e33e | 672 | timers_state.cpu_ticks_offset += timers_state.cpu_ticks_prev - ticks; |
eade0f19 | 673 | } |
6f68e33e JQ |
674 | timers_state.cpu_ticks_prev = ticks; |
675 | return ticks + timers_state.cpu_ticks_offset; | |
8a7ddc38 | 676 | } |
34865134 FB |
677 | } |
678 | ||
1dce7c3c FB |
679 | /* return the host CPU monotonic timer and handle stop/restart */ |
680 | static int64_t cpu_get_clock(void) | |
681 | { | |
682 | int64_t ti; | |
6f68e33e JQ |
683 | if (!timers_state.cpu_ticks_enabled) { |
684 | return timers_state.cpu_clock_offset; | |
1dce7c3c FB |
685 | } else { |
686 | ti = get_clock(); | |
6f68e33e | 687 | return ti + timers_state.cpu_clock_offset; |
1dce7c3c FB |
688 | } |
689 | } | |
690 | ||
34865134 FB |
691 | /* enable cpu_get_ticks() */ |
692 | void cpu_enable_ticks(void) | |
693 | { | |
6f68e33e JQ |
694 | if (!timers_state.cpu_ticks_enabled) { |
695 | timers_state.cpu_ticks_offset -= cpu_get_real_ticks(); | |
696 | timers_state.cpu_clock_offset -= get_clock(); | |
697 | timers_state.cpu_ticks_enabled = 1; | |
8a7ddc38 | 698 | } |
34865134 FB |
699 | } |
700 | ||
701 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
702 | cpu_get_ticks() after that. */ | |
703 | void cpu_disable_ticks(void) | |
704 | { | |
6f68e33e JQ |
705 | if (timers_state.cpu_ticks_enabled) { |
706 | timers_state.cpu_ticks_offset = cpu_get_ticks(); | |
707 | timers_state.cpu_clock_offset = cpu_get_clock(); | |
708 | timers_state.cpu_ticks_enabled = 0; | |
8a7ddc38 | 709 | } |
34865134 FB |
710 | } |
711 | ||
1dce7c3c FB |
712 | /***********************************************************/ |
713 | /* timers */ | |
5fafdf24 | 714 | |
0fdddf80 JK |
715 | #define QEMU_CLOCK_REALTIME 0 |
716 | #define QEMU_CLOCK_VIRTUAL 1 | |
21d5d12b | 717 | #define QEMU_CLOCK_HOST 2 |
8a7ddc38 FB |
718 | |
719 | struct QEMUClock { | |
720 | int type; | |
721 | /* XXX: add frequency */ | |
722 | }; | |
723 | ||
724 | struct QEMUTimer { | |
725 | QEMUClock *clock; | |
726 | int64_t expire_time; | |
727 | QEMUTimerCB *cb; | |
728 | void *opaque; | |
729 | struct QEMUTimer *next; | |
730 | }; | |
731 | ||
c8994013 TS |
732 | struct qemu_alarm_timer { |
733 | char const *name; | |
efe75411 | 734 | unsigned int flags; |
c8994013 TS |
735 | |
736 | int (*start)(struct qemu_alarm_timer *t); | |
737 | void (*stop)(struct qemu_alarm_timer *t); | |
efe75411 | 738 | void (*rearm)(struct qemu_alarm_timer *t); |
c8994013 TS |
739 | void *priv; |
740 | }; | |
741 | ||
efe75411 | 742 | #define ALARM_FLAG_DYNTICKS 0x1 |
d5d08334 | 743 | #define ALARM_FLAG_EXPIRED 0x2 |
efe75411 TS |
744 | |
745 | static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) | |
746 | { | |
e332340a | 747 | return t && (t->flags & ALARM_FLAG_DYNTICKS); |
efe75411 TS |
748 | } |
749 | ||
750 | static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) | |
751 | { | |
752 | if (!alarm_has_dynticks(t)) | |
753 | return; | |
754 | ||
755 | t->rearm(t); | |
756 | } | |
757 | ||
758 | /* TODO: MIN_TIMER_REARM_US should be optimized */ | |
759 | #define MIN_TIMER_REARM_US 250 | |
760 | ||
c8994013 | 761 | static struct qemu_alarm_timer *alarm_timer; |
8a7ddc38 | 762 | |
40c3bac3 | 763 | #ifdef _WIN32 |
c8994013 TS |
764 | |
765 | struct qemu_alarm_win32 { | |
766 | MMRESULT timerId; | |
c8994013 | 767 | unsigned int period; |
ef28c4b0 | 768 | } alarm_win32_data = {0, -1}; |
c8994013 TS |
769 | |
770 | static int win32_start_timer(struct qemu_alarm_timer *t); | |
771 | static void win32_stop_timer(struct qemu_alarm_timer *t); | |
efe75411 | 772 | static void win32_rearm_timer(struct qemu_alarm_timer *t); |
c8994013 | 773 | |
40c3bac3 | 774 | #else |
c8994013 TS |
775 | |
776 | static int unix_start_timer(struct qemu_alarm_timer *t); | |
777 | static void unix_stop_timer(struct qemu_alarm_timer *t); | |
778 | ||
231c6586 TS |
779 | #ifdef __linux__ |
780 | ||
efe75411 TS |
781 | static int dynticks_start_timer(struct qemu_alarm_timer *t); |
782 | static void dynticks_stop_timer(struct qemu_alarm_timer *t); | |
783 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t); | |
784 | ||
c40ec5a9 TS |
785 | static int hpet_start_timer(struct qemu_alarm_timer *t); |
786 | static void hpet_stop_timer(struct qemu_alarm_timer *t); | |
787 | ||
c8994013 TS |
788 | static int rtc_start_timer(struct qemu_alarm_timer *t); |
789 | static void rtc_stop_timer(struct qemu_alarm_timer *t); | |
790 | ||
efe75411 | 791 | #endif /* __linux__ */ |
8a7ddc38 | 792 | |
c8994013 TS |
793 | #endif /* _WIN32 */ |
794 | ||
2e70f6ef | 795 | /* Correlation between real and virtual time is always going to be |
bf20dc07 | 796 | fairly approximate, so ignore small variation. |
2e70f6ef PB |
797 | When the guest is idle real and virtual time will be aligned in |
798 | the IO wait loop. */ | |
274dfed8 | 799 | #define ICOUNT_WOBBLE (get_ticks_per_sec() / 10) |
2e70f6ef PB |
800 | |
801 | static void icount_adjust(void) | |
802 | { | |
803 | int64_t cur_time; | |
804 | int64_t cur_icount; | |
805 | int64_t delta; | |
806 | static int64_t last_delta; | |
807 | /* If the VM is not running, then do nothing. */ | |
808 | if (!vm_running) | |
809 | return; | |
810 | ||
811 | cur_time = cpu_get_clock(); | |
812 | cur_icount = qemu_get_clock(vm_clock); | |
813 | delta = cur_icount - cur_time; | |
814 | /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ | |
815 | if (delta > 0 | |
816 | && last_delta + ICOUNT_WOBBLE < delta * 2 | |
817 | && icount_time_shift > 0) { | |
818 | /* The guest is getting too far ahead. Slow time down. */ | |
819 | icount_time_shift--; | |
820 | } | |
821 | if (delta < 0 | |
822 | && last_delta - ICOUNT_WOBBLE > delta * 2 | |
823 | && icount_time_shift < MAX_ICOUNT_SHIFT) { | |
824 | /* The guest is getting too far behind. Speed time up. */ | |
825 | icount_time_shift++; | |
826 | } | |
827 | last_delta = delta; | |
828 | qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); | |
829 | } | |
830 | ||
831 | static void icount_adjust_rt(void * opaque) | |
832 | { | |
833 | qemu_mod_timer(icount_rt_timer, | |
834 | qemu_get_clock(rt_clock) + 1000); | |
835 | icount_adjust(); | |
836 | } | |
837 | ||
838 | static void icount_adjust_vm(void * opaque) | |
839 | { | |
840 | qemu_mod_timer(icount_vm_timer, | |
274dfed8 | 841 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
2e70f6ef PB |
842 | icount_adjust(); |
843 | } | |
844 | ||
845 | static void init_icount_adjust(void) | |
846 | { | |
847 | /* Have both realtime and virtual time triggers for speed adjustment. | |
848 | The realtime trigger catches emulated time passing too slowly, | |
849 | the virtual time trigger catches emulated time passing too fast. | |
850 | Realtime triggers occur even when idle, so use them less frequently | |
851 | than VM triggers. */ | |
852 | icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); | |
853 | qemu_mod_timer(icount_rt_timer, | |
854 | qemu_get_clock(rt_clock) + 1000); | |
855 | icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); | |
856 | qemu_mod_timer(icount_vm_timer, | |
274dfed8 | 857 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
2e70f6ef PB |
858 | } |
859 | ||
c8994013 | 860 | static struct qemu_alarm_timer alarm_timers[] = { |
efe75411 | 861 | #ifndef _WIN32 |
231c6586 | 862 | #ifdef __linux__ |
efe75411 TS |
863 | {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, |
864 | dynticks_stop_timer, dynticks_rearm_timer, NULL}, | |
c40ec5a9 | 865 | /* HPET - if available - is preferred */ |
efe75411 | 866 | {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, |
c40ec5a9 | 867 | /* ...otherwise try RTC */ |
efe75411 | 868 | {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, |
c8994013 | 869 | #endif |
efe75411 | 870 | {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, |
c8994013 | 871 | #else |
efe75411 TS |
872 | {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, |
873 | win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, | |
874 | {"win32", 0, win32_start_timer, | |
875 | win32_stop_timer, NULL, &alarm_win32_data}, | |
c8994013 TS |
876 | #endif |
877 | {NULL, } | |
878 | }; | |
879 | ||
3f47aa8c | 880 | static void show_available_alarms(void) |
f3dcfada TS |
881 | { |
882 | int i; | |
883 | ||
884 | printf("Available alarm timers, in order of precedence:\n"); | |
885 | for (i = 0; alarm_timers[i].name; i++) | |
886 | printf("%s\n", alarm_timers[i].name); | |
887 | } | |
888 | ||
889 | static void configure_alarms(char const *opt) | |
890 | { | |
891 | int i; | |
892 | int cur = 0; | |
b1503cda | 893 | int count = ARRAY_SIZE(alarm_timers) - 1; |
f3dcfada TS |
894 | char *arg; |
895 | char *name; | |
2e70f6ef | 896 | struct qemu_alarm_timer tmp; |
f3dcfada | 897 | |
3adda04c | 898 | if (!strcmp(opt, "?")) { |
f3dcfada TS |
899 | show_available_alarms(); |
900 | exit(0); | |
901 | } | |
902 | ||
73ffc805 | 903 | arg = qemu_strdup(opt); |
f3dcfada TS |
904 | |
905 | /* Reorder the array */ | |
906 | name = strtok(arg, ","); | |
907 | while (name) { | |
e2b577e5 | 908 | for (i = 0; i < count && alarm_timers[i].name; i++) { |
f3dcfada TS |
909 | if (!strcmp(alarm_timers[i].name, name)) |
910 | break; | |
911 | } | |
912 | ||
913 | if (i == count) { | |
914 | fprintf(stderr, "Unknown clock %s\n", name); | |
915 | goto next; | |
916 | } | |
917 | ||
918 | if (i < cur) | |
919 | /* Ignore */ | |
920 | goto next; | |
921 | ||
922 | /* Swap */ | |
923 | tmp = alarm_timers[i]; | |
924 | alarm_timers[i] = alarm_timers[cur]; | |
925 | alarm_timers[cur] = tmp; | |
926 | ||
927 | cur++; | |
928 | next: | |
929 | name = strtok(NULL, ","); | |
930 | } | |
931 | ||
73ffc805 | 932 | qemu_free(arg); |
f3dcfada TS |
933 | |
934 | if (cur) { | |
2e70f6ef | 935 | /* Disable remaining timers */ |
f3dcfada TS |
936 | for (i = cur; i < count; i++) |
937 | alarm_timers[i].name = NULL; | |
3adda04c AJ |
938 | } else { |
939 | show_available_alarms(); | |
940 | exit(1); | |
f3dcfada | 941 | } |
f3dcfada TS |
942 | } |
943 | ||
21d5d12b JK |
944 | #define QEMU_NUM_CLOCKS 3 |
945 | ||
c8994013 TS |
946 | QEMUClock *rt_clock; |
947 | QEMUClock *vm_clock; | |
21d5d12b | 948 | QEMUClock *host_clock; |
c8994013 | 949 | |
21d5d12b | 950 | static QEMUTimer *active_timers[QEMU_NUM_CLOCKS]; |
c8994013 | 951 | |
9596ebb7 | 952 | static QEMUClock *qemu_new_clock(int type) |
8a7ddc38 FB |
953 | { |
954 | QEMUClock *clock; | |
955 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
8a7ddc38 FB |
956 | clock->type = type; |
957 | return clock; | |
958 | } | |
959 | ||
960 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
961 | { | |
962 | QEMUTimer *ts; | |
963 | ||
964 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
965 | ts->clock = clock; | |
966 | ts->cb = cb; | |
967 | ts->opaque = opaque; | |
968 | return ts; | |
969 | } | |
970 | ||
971 | void qemu_free_timer(QEMUTimer *ts) | |
972 | { | |
973 | qemu_free(ts); | |
974 | } | |
975 | ||
976 | /* stop a timer, but do not dealloc it */ | |
977 | void qemu_del_timer(QEMUTimer *ts) | |
978 | { | |
979 | QEMUTimer **pt, *t; | |
980 | ||
981 | /* NOTE: this code must be signal safe because | |
982 | qemu_timer_expired() can be called from a signal. */ | |
983 | pt = &active_timers[ts->clock->type]; | |
984 | for(;;) { | |
985 | t = *pt; | |
986 | if (!t) | |
987 | break; | |
988 | if (t == ts) { | |
989 | *pt = t->next; | |
990 | break; | |
991 | } | |
992 | pt = &t->next; | |
993 | } | |
994 | } | |
995 | ||
996 | /* modify the current timer so that it will be fired when current_time | |
997 | >= expire_time. The corresponding callback will be called. */ | |
998 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
999 | { | |
1000 | QEMUTimer **pt, *t; | |
1001 | ||
1002 | qemu_del_timer(ts); | |
1003 | ||
1004 | /* add the timer in the sorted list */ | |
1005 | /* NOTE: this code must be signal safe because | |
1006 | qemu_timer_expired() can be called from a signal. */ | |
1007 | pt = &active_timers[ts->clock->type]; | |
1008 | for(;;) { | |
1009 | t = *pt; | |
1010 | if (!t) | |
1011 | break; | |
5fafdf24 | 1012 | if (t->expire_time > expire_time) |
8a7ddc38 FB |
1013 | break; |
1014 | pt = &t->next; | |
1015 | } | |
1016 | ts->expire_time = expire_time; | |
1017 | ts->next = *pt; | |
1018 | *pt = ts; | |
d5d08334 AZ |
1019 | |
1020 | /* Rearm if necessary */ | |
2e70f6ef PB |
1021 | if (pt == &active_timers[ts->clock->type]) { |
1022 | if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { | |
1023 | qemu_rearm_alarm_timer(alarm_timer); | |
1024 | } | |
1025 | /* Interrupt execution to force deadline recalculation. */ | |
d9f75a4e AL |
1026 | if (use_icount) |
1027 | qemu_notify_event(); | |
2e70f6ef | 1028 | } |
8a7ddc38 FB |
1029 | } |
1030 | ||
1031 | int qemu_timer_pending(QEMUTimer *ts) | |
1032 | { | |
1033 | QEMUTimer *t; | |
1034 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
1035 | if (t == ts) | |
1036 | return 1; | |
1037 | } | |
1038 | return 0; | |
1039 | } | |
1040 | ||
2430ffe4 | 1041 | int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
8a7ddc38 FB |
1042 | { |
1043 | if (!timer_head) | |
1044 | return 0; | |
1045 | return (timer_head->expire_time <= current_time); | |
1046 | } | |
1047 | ||
1048 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
1049 | { | |
1050 | QEMUTimer *ts; | |
3b46e624 | 1051 | |
8a7ddc38 FB |
1052 | for(;;) { |
1053 | ts = *ptimer_head; | |
e95c8d51 | 1054 | if (!ts || ts->expire_time > current_time) |
8a7ddc38 FB |
1055 | break; |
1056 | /* remove timer from the list before calling the callback */ | |
1057 | *ptimer_head = ts->next; | |
1058 | ts->next = NULL; | |
3b46e624 | 1059 | |
8a7ddc38 FB |
1060 | /* run the callback (the timer list can be modified) */ |
1061 | ts->cb(ts->opaque); | |
1062 | } | |
1063 | } | |
1064 | ||
1065 | int64_t qemu_get_clock(QEMUClock *clock) | |
1066 | { | |
1067 | switch(clock->type) { | |
0fdddf80 | 1068 | case QEMU_CLOCK_REALTIME: |
1dce7c3c | 1069 | return get_clock() / 1000000; |
8a7ddc38 | 1070 | default: |
0fdddf80 | 1071 | case QEMU_CLOCK_VIRTUAL: |
2e70f6ef PB |
1072 | if (use_icount) { |
1073 | return cpu_get_icount(); | |
1074 | } else { | |
1075 | return cpu_get_clock(); | |
1076 | } | |
21d5d12b JK |
1077 | case QEMU_CLOCK_HOST: |
1078 | return get_clock_realtime(); | |
8a7ddc38 FB |
1079 | } |
1080 | } | |
1081 | ||
0fdddf80 | 1082 | static void init_clocks(void) |
1dce7c3c FB |
1083 | { |
1084 | init_get_clock(); | |
0fdddf80 JK |
1085 | rt_clock = qemu_new_clock(QEMU_CLOCK_REALTIME); |
1086 | vm_clock = qemu_new_clock(QEMU_CLOCK_VIRTUAL); | |
21d5d12b | 1087 | host_clock = qemu_new_clock(QEMU_CLOCK_HOST); |
6875204c JK |
1088 | |
1089 | rtc_clock = host_clock; | |
1dce7c3c FB |
1090 | } |
1091 | ||
8a7ddc38 FB |
1092 | /* save a timer */ |
1093 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
1094 | { | |
1095 | uint64_t expire_time; | |
1096 | ||
1097 | if (qemu_timer_pending(ts)) { | |
1098 | expire_time = ts->expire_time; | |
1099 | } else { | |
1100 | expire_time = -1; | |
1101 | } | |
1102 | qemu_put_be64(f, expire_time); | |
1103 | } | |
1104 | ||
1105 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
1106 | { | |
1107 | uint64_t expire_time; | |
1108 | ||
1109 | expire_time = qemu_get_be64(f); | |
1110 | if (expire_time != -1) { | |
1111 | qemu_mod_timer(ts, expire_time); | |
1112 | } else { | |
1113 | qemu_del_timer(ts); | |
1114 | } | |
1115 | } | |
1116 | ||
2faf58cd JQ |
1117 | static const VMStateDescription vmstate_timers = { |
1118 | .name = "timer", | |
1119 | .version_id = 2, | |
1120 | .minimum_version_id = 1, | |
1121 | .minimum_version_id_old = 1, | |
1122 | .fields = (VMStateField []) { | |
1123 | VMSTATE_INT64(cpu_ticks_offset, TimersState), | |
274dfed8 | 1124 | VMSTATE_INT64(dummy, TimersState), |
2faf58cd JQ |
1125 | VMSTATE_INT64_V(cpu_clock_offset, TimersState, 2), |
1126 | VMSTATE_END_OF_LIST() | |
c88676f8 | 1127 | } |
2faf58cd | 1128 | }; |
8a7ddc38 | 1129 | |
50317c7f AL |
1130 | static void qemu_event_increment(void); |
1131 | ||
67b915a5 | 1132 | #ifdef _WIN32 |
b9e82a59 BS |
1133 | static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, |
1134 | DWORD_PTR dwUser, DWORD_PTR dw1, | |
1135 | DWORD_PTR dw2) | |
67b915a5 | 1136 | #else |
8a7ddc38 | 1137 | static void host_alarm_handler(int host_signum) |
67b915a5 | 1138 | #endif |
8a7ddc38 | 1139 | { |
02ba45c5 FB |
1140 | #if 0 |
1141 | #define DISP_FREQ 1000 | |
1142 | { | |
1143 | static int64_t delta_min = INT64_MAX; | |
1144 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
1145 | static int count; | |
1146 | ti = qemu_get_clock(vm_clock); | |
1147 | if (last_clock != 0) { | |
1148 | delta = ti - last_clock; | |
1149 | if (delta < delta_min) | |
1150 | delta_min = delta; | |
1151 | if (delta > delta_max) | |
1152 | delta_max = delta; | |
1153 | delta_cum += delta; | |
1154 | if (++count == DISP_FREQ) { | |
26a76461 | 1155 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", |
6ee093c9 JQ |
1156 | muldiv64(delta_min, 1000000, get_ticks_per_sec()), |
1157 | muldiv64(delta_max, 1000000, get_ticks_per_sec()), | |
1158 | muldiv64(delta_cum, 1000000 / DISP_FREQ, get_ticks_per_sec()), | |
1159 | (double)get_ticks_per_sec() / ((double)delta_cum / DISP_FREQ)); | |
02ba45c5 FB |
1160 | count = 0; |
1161 | delta_min = INT64_MAX; | |
1162 | delta_max = 0; | |
1163 | delta_cum = 0; | |
1164 | } | |
1165 | } | |
1166 | last_clock = ti; | |
1167 | } | |
1168 | #endif | |
efe75411 | 1169 | if (alarm_has_dynticks(alarm_timer) || |
2e70f6ef | 1170 | (!use_icount && |
0fdddf80 | 1171 | qemu_timer_expired(active_timers[QEMU_CLOCK_VIRTUAL], |
2e70f6ef | 1172 | qemu_get_clock(vm_clock))) || |
0fdddf80 | 1173 | qemu_timer_expired(active_timers[QEMU_CLOCK_REALTIME], |
21d5d12b JK |
1174 | qemu_get_clock(rt_clock)) || |
1175 | qemu_timer_expired(active_timers[QEMU_CLOCK_HOST], | |
1176 | qemu_get_clock(host_clock))) { | |
50317c7f | 1177 | qemu_event_increment(); |
e332340a | 1178 | if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED; |
d5d08334 | 1179 | |
d6dc3d42 AL |
1180 | #ifndef CONFIG_IOTHREAD |
1181 | if (next_cpu) { | |
4f8eb8da | 1182 | /* stop the currently executing cpu because a timer occured */ |
d6dc3d42 | 1183 | cpu_exit(next_cpu); |
4f8eb8da | 1184 | } |
d6dc3d42 | 1185 | #endif |
43b96858 | 1186 | timer_alarm_pending = 1; |
d9f75a4e | 1187 | qemu_notify_event(); |
8a7ddc38 FB |
1188 | } |
1189 | } | |
1190 | ||
2e70f6ef | 1191 | static int64_t qemu_next_deadline(void) |
efe75411 | 1192 | { |
21d5d12b JK |
1193 | /* To avoid problems with overflow limit this to 2^32. */ |
1194 | int64_t delta = INT32_MAX; | |
efe75411 | 1195 | |
0fdddf80 JK |
1196 | if (active_timers[QEMU_CLOCK_VIRTUAL]) { |
1197 | delta = active_timers[QEMU_CLOCK_VIRTUAL]->expire_time - | |
2e70f6ef | 1198 | qemu_get_clock(vm_clock); |
21d5d12b JK |
1199 | } |
1200 | if (active_timers[QEMU_CLOCK_HOST]) { | |
1201 | int64_t hdelta = active_timers[QEMU_CLOCK_HOST]->expire_time - | |
1202 | qemu_get_clock(host_clock); | |
1203 | if (hdelta < delta) | |
1204 | delta = hdelta; | |
efe75411 TS |
1205 | } |
1206 | ||
2e70f6ef PB |
1207 | if (delta < 0) |
1208 | delta = 0; | |
efe75411 | 1209 | |
2e70f6ef PB |
1210 | return delta; |
1211 | } | |
1212 | ||
f64382ba | 1213 | #if defined(__linux__) |
2e70f6ef PB |
1214 | static uint64_t qemu_next_deadline_dyntick(void) |
1215 | { | |
1216 | int64_t delta; | |
1217 | int64_t rtdelta; | |
1218 | ||
1219 | if (use_icount) | |
1220 | delta = INT32_MAX; | |
1221 | else | |
1222 | delta = (qemu_next_deadline() + 999) / 1000; | |
1223 | ||
0fdddf80 JK |
1224 | if (active_timers[QEMU_CLOCK_REALTIME]) { |
1225 | rtdelta = (active_timers[QEMU_CLOCK_REALTIME]->expire_time - | |
2e70f6ef PB |
1226 | qemu_get_clock(rt_clock))*1000; |
1227 | if (rtdelta < delta) | |
1228 | delta = rtdelta; | |
1229 | } | |
1230 | ||
1231 | if (delta < MIN_TIMER_REARM_US) | |
1232 | delta = MIN_TIMER_REARM_US; | |
1233 | ||
1234 | return delta; | |
efe75411 | 1235 | } |
8632fb9a | 1236 | #endif |
efe75411 | 1237 | |
fd872598 FB |
1238 | #ifndef _WIN32 |
1239 | ||
7183b4b4 AL |
1240 | /* Sets a specific flag */ |
1241 | static int fcntl_setfl(int fd, int flag) | |
1242 | { | |
1243 | int flags; | |
1244 | ||
1245 | flags = fcntl(fd, F_GETFL); | |
1246 | if (flags == -1) | |
1247 | return -errno; | |
1248 | ||
1249 | if (fcntl(fd, F_SETFL, flags | flag) == -1) | |
1250 | return -errno; | |
1251 | ||
1252 | return 0; | |
1253 | } | |
1254 | ||
829309c7 FB |
1255 | #if defined(__linux__) |
1256 | ||
fd872598 FB |
1257 | #define RTC_FREQ 1024 |
1258 | ||
de9a95f0 | 1259 | static void enable_sigio_timer(int fd) |
c8994013 TS |
1260 | { |
1261 | struct sigaction act; | |
1262 | ||
1263 | /* timer signal */ | |
1264 | sigfillset(&act.sa_mask); | |
1265 | act.sa_flags = 0; | |
c8994013 TS |
1266 | act.sa_handler = host_alarm_handler; |
1267 | ||
1268 | sigaction(SIGIO, &act, NULL); | |
7183b4b4 | 1269 | fcntl_setfl(fd, O_ASYNC); |
c8994013 TS |
1270 | fcntl(fd, F_SETOWN, getpid()); |
1271 | } | |
829309c7 | 1272 | |
c40ec5a9 TS |
1273 | static int hpet_start_timer(struct qemu_alarm_timer *t) |
1274 | { | |
1275 | struct hpet_info info; | |
1276 | int r, fd; | |
1277 | ||
40ff6d7e | 1278 | fd = qemu_open("/dev/hpet", O_RDONLY); |
c40ec5a9 TS |
1279 | if (fd < 0) |
1280 | return -1; | |
1281 | ||
1282 | /* Set frequency */ | |
1283 | r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); | |
1284 | if (r < 0) { | |
1285 | fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" | |
1286 | "error, but for better emulation accuracy type:\n" | |
1287 | "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); | |
1288 | goto fail; | |
1289 | } | |
1290 | ||
1291 | /* Check capabilities */ | |
1292 | r = ioctl(fd, HPET_INFO, &info); | |
1293 | if (r < 0) | |
1294 | goto fail; | |
1295 | ||
1296 | /* Enable periodic mode */ | |
1297 | r = ioctl(fd, HPET_EPI, 0); | |
1298 | if (info.hi_flags && (r < 0)) | |
1299 | goto fail; | |
1300 | ||
1301 | /* Enable interrupt */ | |
1302 | r = ioctl(fd, HPET_IE_ON, 0); | |
1303 | if (r < 0) | |
1304 | goto fail; | |
1305 | ||
1306 | enable_sigio_timer(fd); | |
fcdc2129 | 1307 | t->priv = (void *)(long)fd; |
c40ec5a9 TS |
1308 | |
1309 | return 0; | |
1310 | fail: | |
1311 | close(fd); | |
1312 | return -1; | |
1313 | } | |
1314 | ||
1315 | static void hpet_stop_timer(struct qemu_alarm_timer *t) | |
1316 | { | |
fcdc2129 | 1317 | int fd = (long)t->priv; |
c40ec5a9 TS |
1318 | |
1319 | close(fd); | |
1320 | } | |
1321 | ||
c8994013 | 1322 | static int rtc_start_timer(struct qemu_alarm_timer *t) |
fd872598 | 1323 | { |
c8994013 | 1324 | int rtc_fd; |
b5a23ad4 | 1325 | unsigned long current_rtc_freq = 0; |
c8994013 | 1326 | |
40ff6d7e | 1327 | TFR(rtc_fd = qemu_open("/dev/rtc", O_RDONLY)); |
fd872598 FB |
1328 | if (rtc_fd < 0) |
1329 | return -1; | |
b5a23ad4 AZ |
1330 | ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); |
1331 | if (current_rtc_freq != RTC_FREQ && | |
1332 | ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
fd872598 FB |
1333 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" |
1334 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
1335 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
1336 | goto fail; | |
1337 | } | |
1338 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
1339 | fail: | |
1340 | close(rtc_fd); | |
1341 | return -1; | |
1342 | } | |
c8994013 TS |
1343 | |
1344 | enable_sigio_timer(rtc_fd); | |
1345 | ||
fcdc2129 | 1346 | t->priv = (void *)(long)rtc_fd; |
c8994013 | 1347 | |
fd872598 FB |
1348 | return 0; |
1349 | } | |
1350 | ||
c8994013 | 1351 | static void rtc_stop_timer(struct qemu_alarm_timer *t) |
829309c7 | 1352 | { |
fcdc2129 | 1353 | int rtc_fd = (long)t->priv; |
c8994013 TS |
1354 | |
1355 | close(rtc_fd); | |
829309c7 FB |
1356 | } |
1357 | ||
efe75411 TS |
1358 | static int dynticks_start_timer(struct qemu_alarm_timer *t) |
1359 | { | |
1360 | struct sigevent ev; | |
1361 | timer_t host_timer; | |
1362 | struct sigaction act; | |
1363 | ||
1364 | sigfillset(&act.sa_mask); | |
1365 | act.sa_flags = 0; | |
efe75411 TS |
1366 | act.sa_handler = host_alarm_handler; |
1367 | ||
1368 | sigaction(SIGALRM, &act, NULL); | |
1369 | ||
9ed415b2 JCD |
1370 | /* |
1371 | * Initialize ev struct to 0 to avoid valgrind complaining | |
1372 | * about uninitialized data in timer_create call | |
1373 | */ | |
1374 | memset(&ev, 0, sizeof(ev)); | |
efe75411 TS |
1375 | ev.sigev_value.sival_int = 0; |
1376 | ev.sigev_notify = SIGEV_SIGNAL; | |
1377 | ev.sigev_signo = SIGALRM; | |
1378 | ||
1379 | if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { | |
1380 | perror("timer_create"); | |
1381 | ||
1382 | /* disable dynticks */ | |
1383 | fprintf(stderr, "Dynamic Ticks disabled\n"); | |
1384 | ||
1385 | return -1; | |
1386 | } | |
1387 | ||
0399bfe0 | 1388 | t->priv = (void *)(long)host_timer; |
efe75411 TS |
1389 | |
1390 | return 0; | |
1391 | } | |
1392 | ||
1393 | static void dynticks_stop_timer(struct qemu_alarm_timer *t) | |
1394 | { | |
0399bfe0 | 1395 | timer_t host_timer = (timer_t)(long)t->priv; |
efe75411 TS |
1396 | |
1397 | timer_delete(host_timer); | |
1398 | } | |
1399 | ||
1400 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t) | |
1401 | { | |
0399bfe0 | 1402 | timer_t host_timer = (timer_t)(long)t->priv; |
efe75411 TS |
1403 | struct itimerspec timeout; |
1404 | int64_t nearest_delta_us = INT64_MAX; | |
1405 | int64_t current_us; | |
1406 | ||
0fdddf80 | 1407 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
21d5d12b JK |
1408 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
1409 | !active_timers[QEMU_CLOCK_HOST]) | |
d5d08334 | 1410 | return; |
efe75411 | 1411 | |
2e70f6ef | 1412 | nearest_delta_us = qemu_next_deadline_dyntick(); |
efe75411 TS |
1413 | |
1414 | /* check whether a timer is already running */ | |
1415 | if (timer_gettime(host_timer, &timeout)) { | |
1416 | perror("gettime"); | |
1417 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1418 | exit(1); | |
1419 | } | |
1420 | current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; | |
1421 | if (current_us && current_us <= nearest_delta_us) | |
1422 | return; | |
1423 | ||
1424 | timeout.it_interval.tv_sec = 0; | |
1425 | timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ | |
1426 | timeout.it_value.tv_sec = nearest_delta_us / 1000000; | |
1427 | timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; | |
1428 | if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { | |
1429 | perror("settime"); | |
1430 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1431 | exit(1); | |
1432 | } | |
1433 | } | |
1434 | ||
70744b3a | 1435 | #endif /* defined(__linux__) */ |
231c6586 | 1436 | |
c8994013 TS |
1437 | static int unix_start_timer(struct qemu_alarm_timer *t) |
1438 | { | |
1439 | struct sigaction act; | |
1440 | struct itimerval itv; | |
1441 | int err; | |
1442 | ||
1443 | /* timer signal */ | |
1444 | sigfillset(&act.sa_mask); | |
1445 | act.sa_flags = 0; | |
c8994013 TS |
1446 | act.sa_handler = host_alarm_handler; |
1447 | ||
1448 | sigaction(SIGALRM, &act, NULL); | |
1449 | ||
1450 | itv.it_interval.tv_sec = 0; | |
1451 | /* for i386 kernel 2.6 to get 1 ms */ | |
1452 | itv.it_interval.tv_usec = 999; | |
1453 | itv.it_value.tv_sec = 0; | |
1454 | itv.it_value.tv_usec = 10 * 1000; | |
1455 | ||
1456 | err = setitimer(ITIMER_REAL, &itv, NULL); | |
1457 | if (err) | |
1458 | return -1; | |
1459 | ||
1460 | return 0; | |
1461 | } | |
1462 | ||
1463 | static void unix_stop_timer(struct qemu_alarm_timer *t) | |
1464 | { | |
1465 | struct itimerval itv; | |
1466 | ||
1467 | memset(&itv, 0, sizeof(itv)); | |
1468 | setitimer(ITIMER_REAL, &itv, NULL); | |
1469 | } | |
1470 | ||
829309c7 | 1471 | #endif /* !defined(_WIN32) */ |
fd872598 | 1472 | |
f49e58dc | 1473 | |
c8994013 TS |
1474 | #ifdef _WIN32 |
1475 | ||
1476 | static int win32_start_timer(struct qemu_alarm_timer *t) | |
1477 | { | |
1478 | TIMECAPS tc; | |
1479 | struct qemu_alarm_win32 *data = t->priv; | |
efe75411 | 1480 | UINT flags; |
c8994013 | 1481 | |
c8994013 TS |
1482 | memset(&tc, 0, sizeof(tc)); |
1483 | timeGetDevCaps(&tc, sizeof(tc)); | |
1484 | ||
1485 | if (data->period < tc.wPeriodMin) | |
1486 | data->period = tc.wPeriodMin; | |
1487 | ||
1488 | timeBeginPeriod(data->period); | |
1489 | ||
efe75411 TS |
1490 | flags = TIME_CALLBACK_FUNCTION; |
1491 | if (alarm_has_dynticks(t)) | |
1492 | flags |= TIME_ONESHOT; | |
1493 | else | |
1494 | flags |= TIME_PERIODIC; | |
1495 | ||
c8994013 TS |
1496 | data->timerId = timeSetEvent(1, // interval (ms) |
1497 | data->period, // resolution | |
1498 | host_alarm_handler, // function | |
1499 | (DWORD)t, // parameter | |
efe75411 | 1500 | flags); |
c8994013 TS |
1501 | |
1502 | if (!data->timerId) { | |
20889d4e | 1503 | fprintf(stderr, "Failed to initialize win32 alarm timer: %ld\n", |
705e83f6 | 1504 | GetLastError()); |
c8994013 | 1505 | timeEndPeriod(data->period); |
c8994013 TS |
1506 | return -1; |
1507 | } | |
1508 | ||
c8994013 TS |
1509 | return 0; |
1510 | } | |
1511 | ||
1512 | static void win32_stop_timer(struct qemu_alarm_timer *t) | |
1513 | { | |
1514 | struct qemu_alarm_win32 *data = t->priv; | |
1515 | ||
1516 | timeKillEvent(data->timerId); | |
1517 | timeEndPeriod(data->period); | |
c8994013 TS |
1518 | } |
1519 | ||
efe75411 TS |
1520 | static void win32_rearm_timer(struct qemu_alarm_timer *t) |
1521 | { | |
1522 | struct qemu_alarm_win32 *data = t->priv; | |
efe75411 | 1523 | |
0fdddf80 | 1524 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
21d5d12b JK |
1525 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
1526 | !active_timers[QEMU_CLOCK_HOST]) | |
d5d08334 | 1527 | return; |
efe75411 | 1528 | |
efe75411 TS |
1529 | timeKillEvent(data->timerId); |
1530 | ||
1531 | data->timerId = timeSetEvent(1, | |
1532 | data->period, | |
1533 | host_alarm_handler, | |
1534 | (DWORD)t, | |
1535 | TIME_ONESHOT | TIME_PERIODIC); | |
1536 | ||
1537 | if (!data->timerId) { | |
20889d4e | 1538 | fprintf(stderr, "Failed to re-arm win32 alarm timer %ld\n", |
705e83f6 | 1539 | GetLastError()); |
efe75411 TS |
1540 | |
1541 | timeEndPeriod(data->period); | |
efe75411 TS |
1542 | exit(1); |
1543 | } | |
1544 | } | |
1545 | ||
c8994013 TS |
1546 | #endif /* _WIN32 */ |
1547 | ||
7183b4b4 | 1548 | static int init_timer_alarm(void) |
8a7ddc38 | 1549 | { |
223f0d72 | 1550 | struct qemu_alarm_timer *t = NULL; |
c8994013 | 1551 | int i, err = -1; |
f49e58dc | 1552 | |
c8994013 TS |
1553 | for (i = 0; alarm_timers[i].name; i++) { |
1554 | t = &alarm_timers[i]; | |
1555 | ||
c8994013 TS |
1556 | err = t->start(t); |
1557 | if (!err) | |
1558 | break; | |
67b915a5 | 1559 | } |
fd872598 | 1560 | |
c8994013 | 1561 | if (err) { |
7183b4b4 AL |
1562 | err = -ENOENT; |
1563 | goto fail; | |
67b915a5 | 1564 | } |
c8994013 TS |
1565 | |
1566 | alarm_timer = t; | |
7183b4b4 | 1567 | |
6abfbd79 | 1568 | return 0; |
7183b4b4 AL |
1569 | |
1570 | fail: | |
7183b4b4 | 1571 | return err; |
8a7ddc38 FB |
1572 | } |
1573 | ||
9596ebb7 | 1574 | static void quit_timers(void) |
40c3bac3 | 1575 | { |
c8994013 TS |
1576 | alarm_timer->stop(alarm_timer); |
1577 | alarm_timer = NULL; | |
40c3bac3 FB |
1578 | } |
1579 | ||
f6503059 AZ |
1580 | /***********************************************************/ |
1581 | /* host time/date access */ | |
1582 | void qemu_get_timedate(struct tm *tm, int offset) | |
1583 | { | |
1584 | time_t ti; | |
1585 | struct tm *ret; | |
1586 | ||
1587 | time(&ti); | |
1588 | ti += offset; | |
1589 | if (rtc_date_offset == -1) { | |
1590 | if (rtc_utc) | |
1591 | ret = gmtime(&ti); | |
1592 | else | |
1593 | ret = localtime(&ti); | |
1594 | } else { | |
1595 | ti -= rtc_date_offset; | |
1596 | ret = gmtime(&ti); | |
1597 | } | |
1598 | ||
1599 | memcpy(tm, ret, sizeof(struct tm)); | |
1600 | } | |
1601 | ||
1602 | int qemu_timedate_diff(struct tm *tm) | |
1603 | { | |
1604 | time_t seconds; | |
1605 | ||
1606 | if (rtc_date_offset == -1) | |
1607 | if (rtc_utc) | |
1608 | seconds = mktimegm(tm); | |
1609 | else | |
1610 | seconds = mktime(tm); | |
1611 | else | |
1612 | seconds = mktimegm(tm) + rtc_date_offset; | |
1613 | ||
1614 | return seconds - time(NULL); | |
1615 | } | |
1616 | ||
1ed2fc1f JK |
1617 | static void configure_rtc_date_offset(const char *startdate, int legacy) |
1618 | { | |
1619 | time_t rtc_start_date; | |
1620 | struct tm tm; | |
1621 | ||
1622 | if (!strcmp(startdate, "now") && legacy) { | |
1623 | rtc_date_offset = -1; | |
1624 | } else { | |
1625 | if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", | |
1626 | &tm.tm_year, | |
1627 | &tm.tm_mon, | |
1628 | &tm.tm_mday, | |
1629 | &tm.tm_hour, | |
1630 | &tm.tm_min, | |
1631 | &tm.tm_sec) == 6) { | |
1632 | /* OK */ | |
1633 | } else if (sscanf(startdate, "%d-%d-%d", | |
1634 | &tm.tm_year, | |
1635 | &tm.tm_mon, | |
1636 | &tm.tm_mday) == 3) { | |
1637 | tm.tm_hour = 0; | |
1638 | tm.tm_min = 0; | |
1639 | tm.tm_sec = 0; | |
1640 | } else { | |
1641 | goto date_fail; | |
1642 | } | |
1643 | tm.tm_year -= 1900; | |
1644 | tm.tm_mon--; | |
1645 | rtc_start_date = mktimegm(&tm); | |
1646 | if (rtc_start_date == -1) { | |
1647 | date_fail: | |
1648 | fprintf(stderr, "Invalid date format. Valid formats are:\n" | |
1649 | "'2006-06-17T16:01:21' or '2006-06-17'\n"); | |
1650 | exit(1); | |
1651 | } | |
1652 | rtc_date_offset = time(NULL) - rtc_start_date; | |
1653 | } | |
1654 | } | |
1655 | ||
1656 | static void configure_rtc(QemuOpts *opts) | |
1657 | { | |
1658 | const char *value; | |
1659 | ||
1660 | value = qemu_opt_get(opts, "base"); | |
1661 | if (value) { | |
1662 | if (!strcmp(value, "utc")) { | |
1663 | rtc_utc = 1; | |
1664 | } else if (!strcmp(value, "localtime")) { | |
1665 | rtc_utc = 0; | |
1666 | } else { | |
1667 | configure_rtc_date_offset(value, 0); | |
1668 | } | |
1669 | } | |
6875204c JK |
1670 | value = qemu_opt_get(opts, "clock"); |
1671 | if (value) { | |
1672 | if (!strcmp(value, "host")) { | |
1673 | rtc_clock = host_clock; | |
1674 | } else if (!strcmp(value, "vm")) { | |
1675 | rtc_clock = vm_clock; | |
1676 | } else { | |
1677 | fprintf(stderr, "qemu: invalid option value '%s'\n", value); | |
1678 | exit(1); | |
1679 | } | |
1680 | } | |
1ed2fc1f JK |
1681 | #ifdef CONFIG_TARGET_I386 |
1682 | value = qemu_opt_get(opts, "driftfix"); | |
1683 | if (value) { | |
1684 | if (!strcmp(buf, "slew")) { | |
1685 | rtc_td_hack = 1; | |
1686 | } else if (!strcmp(buf, "none")) { | |
1687 | rtc_td_hack = 0; | |
1688 | } else { | |
1689 | fprintf(stderr, "qemu: invalid option value '%s'\n", value); | |
1690 | exit(1); | |
1691 | } | |
1692 | } | |
1693 | #endif | |
1694 | } | |
1695 | ||
fd1dff4b | 1696 | #ifdef _WIN32 |
fd1dff4b FB |
1697 | static void socket_cleanup(void) |
1698 | { | |
1699 | WSACleanup(); | |
1700 | } | |
82c643ff | 1701 | |
fd1dff4b FB |
1702 | static int socket_init(void) |
1703 | { | |
1704 | WSADATA Data; | |
1705 | int ret, err; | |
1706 | ||
1707 | ret = WSAStartup(MAKEWORD(2,2), &Data); | |
1708 | if (ret != 0) { | |
1709 | err = WSAGetLastError(); | |
1710 | fprintf(stderr, "WSAStartup: %d\n", err); | |
1711 | return -1; | |
1712 | } | |
1713 | atexit(socket_cleanup); | |
1714 | return 0; | |
1715 | } | |
64b7b733 AJ |
1716 | #endif |
1717 | ||
1ae26a18 AZ |
1718 | /***********************************************************/ |
1719 | /* Bluetooth support */ | |
1720 | static int nb_hcis; | |
1721 | static int cur_hci; | |
1722 | static struct HCIInfo *hci_table[MAX_NICS]; | |
dc72ac14 | 1723 | |
1ae26a18 AZ |
1724 | static struct bt_vlan_s { |
1725 | struct bt_scatternet_s net; | |
1726 | int id; | |
1727 | struct bt_vlan_s *next; | |
1728 | } *first_bt_vlan; | |
1729 | ||
1730 | /* find or alloc a new bluetooth "VLAN" */ | |
674bb261 | 1731 | static struct bt_scatternet_s *qemu_find_bt_vlan(int id) |
1ae26a18 AZ |
1732 | { |
1733 | struct bt_vlan_s **pvlan, *vlan; | |
1734 | for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { | |
1735 | if (vlan->id == id) | |
1736 | return &vlan->net; | |
1737 | } | |
1738 | vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); | |
1739 | vlan->id = id; | |
1740 | pvlan = &first_bt_vlan; | |
1741 | while (*pvlan != NULL) | |
1742 | pvlan = &(*pvlan)->next; | |
1743 | *pvlan = vlan; | |
1744 | return &vlan->net; | |
1745 | } | |
1746 | ||
1747 | static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) | |
1748 | { | |
1749 | } | |
1750 | ||
1751 | static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) | |
1752 | { | |
1753 | return -ENOTSUP; | |
1754 | } | |
1755 | ||
1756 | static struct HCIInfo null_hci = { | |
1757 | .cmd_send = null_hci_send, | |
1758 | .sco_send = null_hci_send, | |
1759 | .acl_send = null_hci_send, | |
1760 | .bdaddr_set = null_hci_addr_set, | |
1761 | }; | |
1762 | ||
1763 | struct HCIInfo *qemu_next_hci(void) | |
1764 | { | |
1765 | if (cur_hci == nb_hcis) | |
1766 | return &null_hci; | |
1767 | ||
1768 | return hci_table[cur_hci++]; | |
1769 | } | |
1770 | ||
dc72ac14 AZ |
1771 | static struct HCIInfo *hci_init(const char *str) |
1772 | { | |
1773 | char *endp; | |
1774 | struct bt_scatternet_s *vlan = 0; | |
1775 | ||
1776 | if (!strcmp(str, "null")) | |
1777 | /* null */ | |
1778 | return &null_hci; | |
1779 | else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) | |
1780 | /* host[:hciN] */ | |
1781 | return bt_host_hci(str[4] ? str + 5 : "hci0"); | |
1782 | else if (!strncmp(str, "hci", 3)) { | |
1783 | /* hci[,vlan=n] */ | |
1784 | if (str[3]) { | |
1785 | if (!strncmp(str + 3, ",vlan=", 6)) { | |
1786 | vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); | |
1787 | if (*endp) | |
1788 | vlan = 0; | |
1789 | } | |
1790 | } else | |
1791 | vlan = qemu_find_bt_vlan(0); | |
1792 | if (vlan) | |
1793 | return bt_new_hci(vlan); | |
1794 | } | |
1795 | ||
1796 | fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str); | |
1797 | ||
1798 | return 0; | |
1799 | } | |
1800 | ||
1801 | static int bt_hci_parse(const char *str) | |
1802 | { | |
1803 | struct HCIInfo *hci; | |
c227f099 | 1804 | bdaddr_t bdaddr; |
dc72ac14 AZ |
1805 | |
1806 | if (nb_hcis >= MAX_NICS) { | |
1807 | fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS); | |
1808 | return -1; | |
1809 | } | |
1810 | ||
1811 | hci = hci_init(str); | |
1812 | if (!hci) | |
1813 | return -1; | |
1814 | ||
1815 | bdaddr.b[0] = 0x52; | |
1816 | bdaddr.b[1] = 0x54; | |
1817 | bdaddr.b[2] = 0x00; | |
1818 | bdaddr.b[3] = 0x12; | |
1819 | bdaddr.b[4] = 0x34; | |
1820 | bdaddr.b[5] = 0x56 + nb_hcis; | |
1821 | hci->bdaddr_set(hci, bdaddr.b); | |
1822 | ||
1823 | hci_table[nb_hcis++] = hci; | |
1824 | ||
1825 | return 0; | |
1826 | } | |
1827 | ||
1828 | static void bt_vhci_add(int vlan_id) | |
1829 | { | |
1830 | struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); | |
1831 | ||
1832 | if (!vlan->slave) | |
1833 | fprintf(stderr, "qemu: warning: adding a VHCI to " | |
1834 | "an empty scatternet %i\n", vlan_id); | |
1835 | ||
1836 | bt_vhci_init(bt_new_hci(vlan)); | |
1837 | } | |
1838 | ||
1839 | static struct bt_device_s *bt_device_add(const char *opt) | |
1840 | { | |
1841 | struct bt_scatternet_s *vlan; | |
1842 | int vlan_id = 0; | |
1843 | char *endp = strstr(opt, ",vlan="); | |
1844 | int len = (endp ? endp - opt : strlen(opt)) + 1; | |
1845 | char devname[10]; | |
1846 | ||
1847 | pstrcpy(devname, MIN(sizeof(devname), len), opt); | |
1848 | ||
1849 | if (endp) { | |
1850 | vlan_id = strtol(endp + 6, &endp, 0); | |
1851 | if (*endp) { | |
1852 | fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); | |
1853 | return 0; | |
1854 | } | |
1855 | } | |
1856 | ||
1857 | vlan = qemu_find_bt_vlan(vlan_id); | |
1858 | ||
1859 | if (!vlan->slave) | |
1860 | fprintf(stderr, "qemu: warning: adding a slave device to " | |
1861 | "an empty scatternet %i\n", vlan_id); | |
1862 | ||
1863 | if (!strcmp(devname, "keyboard")) | |
1864 | return bt_keyboard_init(vlan); | |
1865 | ||
1866 | fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); | |
1867 | return 0; | |
1868 | } | |
1869 | ||
1870 | static int bt_parse(const char *opt) | |
1871 | { | |
1872 | const char *endp, *p; | |
1873 | int vlan; | |
1874 | ||
1875 | if (strstart(opt, "hci", &endp)) { | |
1876 | if (!*endp || *endp == ',') { | |
1877 | if (*endp) | |
1878 | if (!strstart(endp, ",vlan=", 0)) | |
1879 | opt = endp + 1; | |
1880 | ||
1881 | return bt_hci_parse(opt); | |
1882 | } | |
1883 | } else if (strstart(opt, "vhci", &endp)) { | |
1884 | if (!*endp || *endp == ',') { | |
1885 | if (*endp) { | |
1886 | if (strstart(endp, ",vlan=", &p)) { | |
1887 | vlan = strtol(p, (char **) &endp, 0); | |
1888 | if (*endp) { | |
1889 | fprintf(stderr, "qemu: bad scatternet '%s'\n", p); | |
1890 | return 1; | |
1891 | } | |
1892 | } else { | |
1893 | fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); | |
1894 | return 1; | |
1895 | } | |
1896 | } else | |
1897 | vlan = 0; | |
1898 | ||
1899 | bt_vhci_add(vlan); | |
1900 | return 0; | |
1901 | } | |
1902 | } else if (strstart(opt, "device:", &endp)) | |
1903 | return !bt_device_add(endp); | |
1904 | ||
1905 | fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); | |
1906 | return 1; | |
1907 | } | |
1908 | ||
1ae26a18 AZ |
1909 | /***********************************************************/ |
1910 | /* QEMU Block devices */ | |
1911 | ||
609497ab | 1912 | #define HD_ALIAS "index=%d,media=disk" |
e4bcb14c | 1913 | #define CDROM_ALIAS "index=2,media=cdrom" |
e4bcb14c | 1914 | #define FD_ALIAS "index=%d,if=floppy" |
609497ab AZ |
1915 | #define PFLASH_ALIAS "if=pflash" |
1916 | #define MTD_ALIAS "if=mtd" | |
9d413d1d | 1917 | #define SD_ALIAS "index=0,if=sd" |
e4bcb14c | 1918 | |
9dfd7c7a | 1919 | QemuOpts *drive_add(const char *file, const char *fmt, ...) |
e4bcb14c TS |
1920 | { |
1921 | va_list ap; | |
9dfd7c7a GH |
1922 | char optstr[1024]; |
1923 | QemuOpts *opts; | |
e4bcb14c | 1924 | |
e4bcb14c | 1925 | va_start(ap, fmt); |
9dfd7c7a | 1926 | vsnprintf(optstr, sizeof(optstr), fmt, ap); |
e4bcb14c TS |
1927 | va_end(ap); |
1928 | ||
7282a033 | 1929 | opts = qemu_opts_parse(&qemu_drive_opts, optstr, NULL); |
9dfd7c7a GH |
1930 | if (!opts) { |
1931 | fprintf(stderr, "%s: huh? duplicate? (%s)\n", | |
1932 | __FUNCTION__, optstr); | |
1933 | return NULL; | |
1934 | } | |
1935 | if (file) | |
1936 | qemu_opt_set(opts, "file", file); | |
1937 | return opts; | |
b01b1111 AL |
1938 | } |
1939 | ||
751c6a17 | 1940 | DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit) |
e4bcb14c | 1941 | { |
751c6a17 | 1942 | DriveInfo *dinfo; |
e4bcb14c TS |
1943 | |
1944 | /* seek interface, bus and unit */ | |
1945 | ||
72cf2d4f | 1946 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1947 | if (dinfo->type == type && |
1948 | dinfo->bus == bus && | |
1949 | dinfo->unit == unit) | |
1950 | return dinfo; | |
1951 | } | |
e4bcb14c | 1952 | |
751c6a17 | 1953 | return NULL; |
e4bcb14c TS |
1954 | } |
1955 | ||
2e810b36 | 1956 | DriveInfo *drive_get_by_id(const char *id) |
1dae12e6 GH |
1957 | { |
1958 | DriveInfo *dinfo; | |
1959 | ||
72cf2d4f | 1960 | QTAILQ_FOREACH(dinfo, &drives, next) { |
1dae12e6 GH |
1961 | if (strcmp(id, dinfo->id)) |
1962 | continue; | |
1963 | return dinfo; | |
1964 | } | |
1965 | return NULL; | |
1966 | } | |
1967 | ||
f60d39bc | 1968 | int drive_get_max_bus(BlockInterfaceType type) |
e4bcb14c TS |
1969 | { |
1970 | int max_bus; | |
751c6a17 | 1971 | DriveInfo *dinfo; |
e4bcb14c TS |
1972 | |
1973 | max_bus = -1; | |
72cf2d4f | 1974 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1975 | if(dinfo->type == type && |
1976 | dinfo->bus > max_bus) | |
1977 | max_bus = dinfo->bus; | |
e4bcb14c TS |
1978 | } |
1979 | return max_bus; | |
1980 | } | |
1981 | ||
fa879c64 AL |
1982 | const char *drive_get_serial(BlockDriverState *bdrv) |
1983 | { | |
751c6a17 | 1984 | DriveInfo *dinfo; |
fa879c64 | 1985 | |
72cf2d4f | 1986 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1987 | if (dinfo->bdrv == bdrv) |
1988 | return dinfo->serial; | |
1989 | } | |
fa879c64 AL |
1990 | |
1991 | return "\0"; | |
1992 | } | |
1993 | ||
f7850099 KW |
1994 | BlockInterfaceErrorAction drive_get_on_error( |
1995 | BlockDriverState *bdrv, int is_read) | |
428c5705 | 1996 | { |
751c6a17 | 1997 | DriveInfo *dinfo; |
428c5705 | 1998 | |
fc072ec4 KW |
1999 | if (is_read) { |
2000 | return BLOCK_ERR_REPORT; | |
2001 | } | |
2002 | ||
72cf2d4f | 2003 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 | 2004 | if (dinfo->bdrv == bdrv) |
e9b2e818 | 2005 | return is_read ? dinfo->on_read_error : dinfo->on_write_error; |
751c6a17 | 2006 | } |
428c5705 | 2007 | |
e9b2e818 | 2008 | return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC; |
428c5705 AL |
2009 | } |
2010 | ||
a1620fac AJ |
2011 | static void bdrv_format_print(void *opaque, const char *name) |
2012 | { | |
2013 | fprintf(stderr, " %s", name); | |
2014 | } | |
2015 | ||
56a14938 | 2016 | void drive_uninit(DriveInfo *dinfo) |
b01b1111 | 2017 | { |
56a14938 GH |
2018 | qemu_opts_del(dinfo->opts); |
2019 | bdrv_delete(dinfo->bdrv); | |
2020 | QTAILQ_REMOVE(&drives, dinfo, next); | |
2021 | qemu_free(dinfo); | |
b01b1111 AL |
2022 | } |
2023 | ||
e9b2e818 KW |
2024 | static int parse_block_error_action(const char *buf, int is_read) |
2025 | { | |
2026 | if (!strcmp(buf, "ignore")) { | |
2027 | return BLOCK_ERR_IGNORE; | |
2028 | } else if (!is_read && !strcmp(buf, "enospc")) { | |
2029 | return BLOCK_ERR_STOP_ENOSPC; | |
2030 | } else if (!strcmp(buf, "stop")) { | |
2031 | return BLOCK_ERR_STOP_ANY; | |
2032 | } else if (!strcmp(buf, "report")) { | |
2033 | return BLOCK_ERR_REPORT; | |
2034 | } else { | |
2035 | fprintf(stderr, "qemu: '%s' invalid %s error action\n", | |
2036 | buf, is_read ? "read" : "write"); | |
2037 | return -1; | |
2038 | } | |
2039 | } | |
2040 | ||
9dfd7c7a | 2041 | DriveInfo *drive_init(QemuOpts *opts, void *opaque, |
751c6a17 | 2042 | int *fatal_error) |
e4bcb14c | 2043 | { |
9dfd7c7a GH |
2044 | const char *buf; |
2045 | const char *file = NULL; | |
c8522bdf | 2046 | char devname[128]; |
9dfd7c7a | 2047 | const char *serial; |
c8522bdf | 2048 | const char *mediastr = ""; |
f60d39bc | 2049 | BlockInterfaceType type; |
e4bcb14c TS |
2050 | enum { MEDIA_DISK, MEDIA_CDROM } media; |
2051 | int bus_id, unit_id; | |
2052 | int cyls, heads, secs, translation; | |
1e72d3b7 | 2053 | BlockDriver *drv = NULL; |
4d73cd3b | 2054 | QEMUMachine *machine = opaque; |
e4bcb14c TS |
2055 | int max_devs; |
2056 | int index; | |
33f00271 | 2057 | int cache; |
5c6c3a6c | 2058 | int aio = 0; |
59f2689d | 2059 | int ro = 0; |
e9b2e818 KW |
2060 | int bdrv_flags; |
2061 | int on_read_error, on_write_error; | |
c2cc47a4 | 2062 | const char *devaddr; |
751c6a17 | 2063 | DriveInfo *dinfo; |
9dfd7c7a | 2064 | int snapshot = 0; |
e4bcb14c | 2065 | |
9dfd7c7a | 2066 | *fatal_error = 1; |
e4bcb14c | 2067 | |
e4bcb14c | 2068 | translation = BIOS_ATA_TRANSLATION_AUTO; |
0aa217e4 | 2069 | cache = 1; |
e4bcb14c | 2070 | |
4d007814 | 2071 | if (machine && machine->use_scsi) { |
f60d39bc | 2072 | type = IF_SCSI; |
e4bcb14c | 2073 | max_devs = MAX_SCSI_DEVS; |
363a37d5 | 2074 | pstrcpy(devname, sizeof(devname), "scsi"); |
e4bcb14c | 2075 | } else { |
f60d39bc | 2076 | type = IF_IDE; |
e4bcb14c | 2077 | max_devs = MAX_IDE_DEVS; |
363a37d5 | 2078 | pstrcpy(devname, sizeof(devname), "ide"); |
e4bcb14c TS |
2079 | } |
2080 | media = MEDIA_DISK; | |
2081 | ||
2082 | /* extract parameters */ | |
9dfd7c7a GH |
2083 | bus_id = qemu_opt_get_number(opts, "bus", 0); |
2084 | unit_id = qemu_opt_get_number(opts, "unit", -1); | |
2085 | index = qemu_opt_get_number(opts, "index", -1); | |
e4bcb14c | 2086 | |
9dfd7c7a GH |
2087 | cyls = qemu_opt_get_number(opts, "cyls", 0); |
2088 | heads = qemu_opt_get_number(opts, "heads", 0); | |
2089 | secs = qemu_opt_get_number(opts, "secs", 0); | |
e4bcb14c | 2090 | |
9dfd7c7a | 2091 | snapshot = qemu_opt_get_bool(opts, "snapshot", 0); |
59f2689d | 2092 | ro = qemu_opt_get_bool(opts, "readonly", 0); |
e4bcb14c | 2093 | |
9dfd7c7a GH |
2094 | file = qemu_opt_get(opts, "file"); |
2095 | serial = qemu_opt_get(opts, "serial"); | |
2096 | ||
2097 | if ((buf = qemu_opt_get(opts, "if")) != NULL) { | |
ae45d369 | 2098 | pstrcpy(devname, sizeof(devname), buf); |
e4bcb14c | 2099 | if (!strcmp(buf, "ide")) { |
f60d39bc | 2100 | type = IF_IDE; |
e4bcb14c TS |
2101 | max_devs = MAX_IDE_DEVS; |
2102 | } else if (!strcmp(buf, "scsi")) { | |
f60d39bc | 2103 | type = IF_SCSI; |
e4bcb14c TS |
2104 | max_devs = MAX_SCSI_DEVS; |
2105 | } else if (!strcmp(buf, "floppy")) { | |
f60d39bc | 2106 | type = IF_FLOPPY; |
e4bcb14c TS |
2107 | max_devs = 0; |
2108 | } else if (!strcmp(buf, "pflash")) { | |
f60d39bc | 2109 | type = IF_PFLASH; |
e4bcb14c TS |
2110 | max_devs = 0; |
2111 | } else if (!strcmp(buf, "mtd")) { | |
f60d39bc | 2112 | type = IF_MTD; |
e4bcb14c TS |
2113 | max_devs = 0; |
2114 | } else if (!strcmp(buf, "sd")) { | |
f60d39bc | 2115 | type = IF_SD; |
e4bcb14c | 2116 | max_devs = 0; |
6e02c38d AL |
2117 | } else if (!strcmp(buf, "virtio")) { |
2118 | type = IF_VIRTIO; | |
2119 | max_devs = 0; | |
62d23efa AL |
2120 | } else if (!strcmp(buf, "xen")) { |
2121 | type = IF_XEN; | |
2122 | max_devs = 0; | |
a8659e90 GH |
2123 | } else if (!strcmp(buf, "none")) { |
2124 | type = IF_NONE; | |
2125 | max_devs = 0; | |
62d23efa | 2126 | } else { |
9dfd7c7a | 2127 | fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf); |
751c6a17 | 2128 | return NULL; |
e4bcb14c TS |
2129 | } |
2130 | } | |
2131 | ||
e4bcb14c | 2132 | if (cyls || heads || secs) { |
5afe3f04 | 2133 | if (cyls < 1 || (type == IF_IDE && cyls > 16383)) { |
9dfd7c7a | 2134 | fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf); |
751c6a17 | 2135 | return NULL; |
e4bcb14c | 2136 | } |
5afe3f04 | 2137 | if (heads < 1 || (type == IF_IDE && heads > 16)) { |
9dfd7c7a | 2138 | fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf); |
751c6a17 | 2139 | return NULL; |
e4bcb14c | 2140 | } |
5afe3f04 | 2141 | if (secs < 1 || (type == IF_IDE && secs > 63)) { |
9dfd7c7a | 2142 | fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf); |
751c6a17 | 2143 | return NULL; |
e4bcb14c TS |
2144 | } |
2145 | } | |
2146 | ||
9dfd7c7a | 2147 | if ((buf = qemu_opt_get(opts, "trans")) != NULL) { |
e4bcb14c TS |
2148 | if (!cyls) { |
2149 | fprintf(stderr, | |
2150 | "qemu: '%s' trans must be used with cyls,heads and secs\n", | |
9dfd7c7a | 2151 | buf); |
751c6a17 | 2152 | return NULL; |
e4bcb14c TS |
2153 | } |
2154 | if (!strcmp(buf, "none")) | |
2155 | translation = BIOS_ATA_TRANSLATION_NONE; | |
2156 | else if (!strcmp(buf, "lba")) | |
2157 | translation = BIOS_ATA_TRANSLATION_LBA; | |
2158 | else if (!strcmp(buf, "auto")) | |
2159 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
2160 | else { | |
9dfd7c7a | 2161 | fprintf(stderr, "qemu: '%s' invalid translation type\n", buf); |
751c6a17 | 2162 | return NULL; |
e4bcb14c TS |
2163 | } |
2164 | } | |
2165 | ||
9dfd7c7a | 2166 | if ((buf = qemu_opt_get(opts, "media")) != NULL) { |
e4bcb14c TS |
2167 | if (!strcmp(buf, "disk")) { |
2168 | media = MEDIA_DISK; | |
2169 | } else if (!strcmp(buf, "cdrom")) { | |
2170 | if (cyls || secs || heads) { | |
2171 | fprintf(stderr, | |
9dfd7c7a | 2172 | "qemu: '%s' invalid physical CHS format\n", buf); |
751c6a17 | 2173 | return NULL; |
e4bcb14c TS |
2174 | } |
2175 | media = MEDIA_CDROM; | |
2176 | } else { | |
9dfd7c7a | 2177 | fprintf(stderr, "qemu: '%s' invalid media\n", buf); |
751c6a17 | 2178 | return NULL; |
e4bcb14c TS |
2179 | } |
2180 | } | |
2181 | ||
9dfd7c7a | 2182 | if ((buf = qemu_opt_get(opts, "cache")) != NULL) { |
9f7965c7 | 2183 | if (!strcmp(buf, "off") || !strcmp(buf, "none")) |
33f00271 | 2184 | cache = 0; |
9f7965c7 | 2185 | else if (!strcmp(buf, "writethrough")) |
33f00271 | 2186 | cache = 1; |
9f7965c7 AL |
2187 | else if (!strcmp(buf, "writeback")) |
2188 | cache = 2; | |
33f00271 AZ |
2189 | else { |
2190 | fprintf(stderr, "qemu: invalid cache option\n"); | |
751c6a17 | 2191 | return NULL; |
33f00271 AZ |
2192 | } |
2193 | } | |
2194 | ||
5c6c3a6c CH |
2195 | #ifdef CONFIG_LINUX_AIO |
2196 | if ((buf = qemu_opt_get(opts, "aio")) != NULL) { | |
2197 | if (!strcmp(buf, "threads")) | |
2198 | aio = 0; | |
2199 | else if (!strcmp(buf, "native")) | |
2200 | aio = 1; | |
2201 | else { | |
2202 | fprintf(stderr, "qemu: invalid aio option\n"); | |
2203 | return NULL; | |
2204 | } | |
2205 | } | |
2206 | #endif | |
2207 | ||
9dfd7c7a | 2208 | if ((buf = qemu_opt_get(opts, "format")) != NULL) { |
a1620fac AJ |
2209 | if (strcmp(buf, "?") == 0) { |
2210 | fprintf(stderr, "qemu: Supported formats:"); | |
2211 | bdrv_iterate_format(bdrv_format_print, NULL); | |
2212 | fprintf(stderr, "\n"); | |
751c6a17 | 2213 | return NULL; |
a1620fac | 2214 | } |
eb852011 | 2215 | drv = bdrv_find_whitelisted_format(buf); |
1e72d3b7 AJ |
2216 | if (!drv) { |
2217 | fprintf(stderr, "qemu: '%s' invalid format\n", buf); | |
751c6a17 | 2218 | return NULL; |
1e72d3b7 AJ |
2219 | } |
2220 | } | |
2221 | ||
e9b2e818 | 2222 | on_write_error = BLOCK_ERR_STOP_ENOSPC; |
9dfd7c7a | 2223 | if ((buf = qemu_opt_get(opts, "werror")) != NULL) { |
869a5c6d | 2224 | if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) { |
ea8a5d7f | 2225 | fprintf(stderr, "werror is no supported by this format\n"); |
751c6a17 | 2226 | return NULL; |
428c5705 | 2227 | } |
e9b2e818 KW |
2228 | |
2229 | on_write_error = parse_block_error_action(buf, 0); | |
2230 | if (on_write_error < 0) { | |
2231 | return NULL; | |
2232 | } | |
2233 | } | |
2234 | ||
2235 | on_read_error = BLOCK_ERR_REPORT; | |
2236 | if ((buf = qemu_opt_get(opts, "rerror")) != NULL) { | |
f35d68f0 | 2237 | if (type != IF_IDE && type != IF_VIRTIO) { |
e9b2e818 KW |
2238 | fprintf(stderr, "rerror is no supported by this format\n"); |
2239 | return NULL; | |
2240 | } | |
2241 | ||
2242 | on_read_error = parse_block_error_action(buf, 1); | |
2243 | if (on_read_error < 0) { | |
751c6a17 | 2244 | return NULL; |
428c5705 AL |
2245 | } |
2246 | } | |
2247 | ||
9dfd7c7a | 2248 | if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) { |
c2cc47a4 | 2249 | if (type != IF_VIRTIO) { |
9dfd7c7a | 2250 | fprintf(stderr, "addr is not supported\n"); |
751c6a17 | 2251 | return NULL; |
c2cc47a4 | 2252 | } |
c2cc47a4 MA |
2253 | } |
2254 | ||
e4bcb14c TS |
2255 | /* compute bus and unit according index */ |
2256 | ||
2257 | if (index != -1) { | |
2258 | if (bus_id != 0 || unit_id != -1) { | |
2259 | fprintf(stderr, | |
9dfd7c7a | 2260 | "qemu: index cannot be used with bus and unit\n"); |
751c6a17 | 2261 | return NULL; |
e4bcb14c TS |
2262 | } |
2263 | if (max_devs == 0) | |
2264 | { | |
2265 | unit_id = index; | |
2266 | bus_id = 0; | |
2267 | } else { | |
2268 | unit_id = index % max_devs; | |
2269 | bus_id = index / max_devs; | |
2270 | } | |
2271 | } | |
2272 | ||
2273 | /* if user doesn't specify a unit_id, | |
2274 | * try to find the first free | |
2275 | */ | |
2276 | ||
2277 | if (unit_id == -1) { | |
2278 | unit_id = 0; | |
751c6a17 | 2279 | while (drive_get(type, bus_id, unit_id) != NULL) { |
e4bcb14c TS |
2280 | unit_id++; |
2281 | if (max_devs && unit_id >= max_devs) { | |
2282 | unit_id -= max_devs; | |
2283 | bus_id++; | |
2284 | } | |
2285 | } | |
2286 | } | |
2287 | ||
2288 | /* check unit id */ | |
2289 | ||
2290 | if (max_devs && unit_id >= max_devs) { | |
9dfd7c7a GH |
2291 | fprintf(stderr, "qemu: unit %d too big (max is %d)\n", |
2292 | unit_id, max_devs - 1); | |
751c6a17 | 2293 | return NULL; |
e4bcb14c TS |
2294 | } |
2295 | ||
2296 | /* | |
2297 | * ignore multiple definitions | |
2298 | */ | |
2299 | ||
751c6a17 GH |
2300 | if (drive_get(type, bus_id, unit_id) != NULL) { |
2301 | *fatal_error = 0; | |
2302 | return NULL; | |
2303 | } | |
e4bcb14c TS |
2304 | |
2305 | /* init */ | |
2306 | ||
751c6a17 | 2307 | dinfo = qemu_mallocz(sizeof(*dinfo)); |
e23d9c4d | 2308 | if ((buf = qemu_opts_id(opts)) != NULL) { |
9dfd7c7a GH |
2309 | dinfo->id = qemu_strdup(buf); |
2310 | } else { | |
1dae12e6 | 2311 | /* no id supplied -> create one */ |
9dfd7c7a | 2312 | dinfo->id = qemu_mallocz(32); |
1dae12e6 GH |
2313 | if (type == IF_IDE || type == IF_SCSI) |
2314 | mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; | |
2315 | if (max_devs) | |
9dfd7c7a | 2316 | snprintf(dinfo->id, 32, "%s%i%s%i", |
1dae12e6 GH |
2317 | devname, bus_id, mediastr, unit_id); |
2318 | else | |
9dfd7c7a | 2319 | snprintf(dinfo->id, 32, "%s%s%i", |
1dae12e6 GH |
2320 | devname, mediastr, unit_id); |
2321 | } | |
1dae12e6 | 2322 | dinfo->bdrv = bdrv_new(dinfo->id); |
751c6a17 GH |
2323 | dinfo->devaddr = devaddr; |
2324 | dinfo->type = type; | |
2325 | dinfo->bus = bus_id; | |
2326 | dinfo->unit = unit_id; | |
e9b2e818 KW |
2327 | dinfo->on_read_error = on_read_error; |
2328 | dinfo->on_write_error = on_write_error; | |
9dfd7c7a GH |
2329 | dinfo->opts = opts; |
2330 | if (serial) | |
2331 | strncpy(dinfo->serial, serial, sizeof(serial)); | |
72cf2d4f | 2332 | QTAILQ_INSERT_TAIL(&drives, dinfo, next); |
e4bcb14c | 2333 | |
f60d39bc | 2334 | switch(type) { |
e4bcb14c TS |
2335 | case IF_IDE: |
2336 | case IF_SCSI: | |
62d23efa | 2337 | case IF_XEN: |
c219331e | 2338 | case IF_NONE: |
e4bcb14c TS |
2339 | switch(media) { |
2340 | case MEDIA_DISK: | |
2341 | if (cyls != 0) { | |
1dae12e6 GH |
2342 | bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs); |
2343 | bdrv_set_translation_hint(dinfo->bdrv, translation); | |
e4bcb14c TS |
2344 | } |
2345 | break; | |
2346 | case MEDIA_CDROM: | |
1dae12e6 | 2347 | bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM); |
e4bcb14c TS |
2348 | break; |
2349 | } | |
2350 | break; | |
2351 | case IF_SD: | |
2352 | /* FIXME: This isn't really a floppy, but it's a reasonable | |
2353 | approximation. */ | |
2354 | case IF_FLOPPY: | |
1dae12e6 | 2355 | bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY); |
e4bcb14c TS |
2356 | break; |
2357 | case IF_PFLASH: | |
2358 | case IF_MTD: | |
2359 | break; | |
d176c495 GH |
2360 | case IF_VIRTIO: |
2361 | /* add virtio block device */ | |
2362 | opts = qemu_opts_create(&qemu_device_opts, NULL, 0); | |
2363 | qemu_opt_set(opts, "driver", "virtio-blk-pci"); | |
2364 | qemu_opt_set(opts, "drive", dinfo->id); | |
2365 | if (devaddr) | |
2366 | qemu_opt_set(opts, "addr", devaddr); | |
2367 | break; | |
aae9460e PB |
2368 | case IF_COUNT: |
2369 | abort(); | |
e4bcb14c | 2370 | } |
9dfd7c7a | 2371 | if (!file) { |
751c6a17 GH |
2372 | *fatal_error = 0; |
2373 | return NULL; | |
2374 | } | |
33f00271 | 2375 | bdrv_flags = 0; |
9f7965c7 | 2376 | if (snapshot) { |
33f00271 | 2377 | bdrv_flags |= BDRV_O_SNAPSHOT; |
9f7965c7 AL |
2378 | cache = 2; /* always use write-back with snapshot */ |
2379 | } | |
2380 | if (cache == 0) /* no caching */ | |
2381 | bdrv_flags |= BDRV_O_NOCACHE; | |
2382 | else if (cache == 2) /* write-back */ | |
2383 | bdrv_flags |= BDRV_O_CACHE_WB; | |
5c6c3a6c CH |
2384 | |
2385 | if (aio == 1) { | |
2386 | bdrv_flags |= BDRV_O_NATIVE_AIO; | |
2387 | } else { | |
2388 | bdrv_flags &= ~BDRV_O_NATIVE_AIO; | |
2389 | } | |
2390 | ||
59f2689d NS |
2391 | if (ro == 1) { |
2392 | if (type == IF_IDE) { | |
2393 | fprintf(stderr, "qemu: readonly flag not supported for drive with ide interface\n"); | |
2394 | return NULL; | |
2395 | } | |
2396 | (void)bdrv_set_read_only(dinfo->bdrv, 1); | |
2397 | } | |
2398 | ||
1dae12e6 | 2399 | if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) { |
850810d0 JF |
2400 | fprintf(stderr, "qemu: could not open disk image %s: %s\n", |
2401 | file, strerror(errno)); | |
751c6a17 | 2402 | return NULL; |
e4bcb14c | 2403 | } |
5c6c3a6c | 2404 | |
1dae12e6 | 2405 | if (bdrv_key_required(dinfo->bdrv)) |
c0f4ce77 | 2406 | autostart = 0; |
751c6a17 GH |
2407 | *fatal_error = 0; |
2408 | return dinfo; | |
e4bcb14c TS |
2409 | } |
2410 | ||
9dfd7c7a GH |
2411 | static int drive_init_func(QemuOpts *opts, void *opaque) |
2412 | { | |
2413 | QEMUMachine *machine = opaque; | |
2414 | int fatal_error = 0; | |
2415 | ||
2416 | if (drive_init(opts, machine, &fatal_error) == NULL) { | |
2417 | if (fatal_error) | |
2418 | return 1; | |
2419 | } | |
2420 | return 0; | |
2421 | } | |
2422 | ||
2423 | static int drive_enable_snapshot(QemuOpts *opts, void *opaque) | |
2424 | { | |
2425 | if (NULL == qemu_opt_get(opts, "snapshot")) { | |
2426 | qemu_opt_set(opts, "snapshot", "on"); | |
2427 | } | |
2428 | return 0; | |
2429 | } | |
2430 | ||
76e30d0f JK |
2431 | void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque) |
2432 | { | |
2433 | boot_set_handler = func; | |
2434 | boot_set_opaque = opaque; | |
2435 | } | |
2436 | ||
2437 | int qemu_boot_set(const char *boot_devices) | |
2438 | { | |
2439 | if (!boot_set_handler) { | |
2440 | return -EINVAL; | |
2441 | } | |
2442 | return boot_set_handler(boot_set_opaque, boot_devices); | |
2443 | } | |
2444 | ||
ef3adf68 JK |
2445 | static int parse_bootdevices(char *devices) |
2446 | { | |
2447 | /* We just do some generic consistency checks */ | |
2448 | const char *p; | |
2449 | int bitmap = 0; | |
2450 | ||
2451 | for (p = devices; *p != '\0'; p++) { | |
2452 | /* Allowed boot devices are: | |
2453 | * a-b: floppy disk drives | |
2454 | * c-f: IDE disk drives | |
2455 | * g-m: machine implementation dependant drives | |
2456 | * n-p: network devices | |
2457 | * It's up to each machine implementation to check if the given boot | |
2458 | * devices match the actual hardware implementation and firmware | |
2459 | * features. | |
2460 | */ | |
2461 | if (*p < 'a' || *p > 'p') { | |
2462 | fprintf(stderr, "Invalid boot device '%c'\n", *p); | |
2463 | exit(1); | |
2464 | } | |
2465 | if (bitmap & (1 << (*p - 'a'))) { | |
2466 | fprintf(stderr, "Boot device '%c' was given twice\n", *p); | |
2467 | exit(1); | |
2468 | } | |
2469 | bitmap |= 1 << (*p - 'a'); | |
2470 | } | |
2471 | return bitmap; | |
2472 | } | |
2473 | ||
e0f084bf JK |
2474 | static void restore_boot_devices(void *opaque) |
2475 | { | |
2476 | char *standard_boot_devices = opaque; | |
2477 | ||
2478 | qemu_boot_set(standard_boot_devices); | |
2479 | ||
2480 | qemu_unregister_reset(restore_boot_devices, standard_boot_devices); | |
2481 | qemu_free(standard_boot_devices); | |
2482 | } | |
2483 | ||
268a362c AL |
2484 | static void numa_add(const char *optarg) |
2485 | { | |
2486 | char option[128]; | |
2487 | char *endptr; | |
2488 | unsigned long long value, endvalue; | |
2489 | int nodenr; | |
2490 | ||
2491 | optarg = get_opt_name(option, 128, optarg, ',') + 1; | |
2492 | if (!strcmp(option, "node")) { | |
2493 | if (get_param_value(option, 128, "nodeid", optarg) == 0) { | |
2494 | nodenr = nb_numa_nodes; | |
2495 | } else { | |
2496 | nodenr = strtoull(option, NULL, 10); | |
2497 | } | |
2498 | ||
2499 | if (get_param_value(option, 128, "mem", optarg) == 0) { | |
2500 | node_mem[nodenr] = 0; | |
2501 | } else { | |
2502 | value = strtoull(option, &endptr, 0); | |
2503 | switch (*endptr) { | |
2504 | case 0: case 'M': case 'm': | |
2505 | value <<= 20; | |
2506 | break; | |
2507 | case 'G': case 'g': | |
2508 | value <<= 30; | |
2509 | break; | |
2510 | } | |
2511 | node_mem[nodenr] = value; | |
2512 | } | |
2513 | if (get_param_value(option, 128, "cpus", optarg) == 0) { | |
2514 | node_cpumask[nodenr] = 0; | |
2515 | } else { | |
2516 | value = strtoull(option, &endptr, 10); | |
2517 | if (value >= 64) { | |
2518 | value = 63; | |
2519 | fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n"); | |
2520 | } else { | |
2521 | if (*endptr == '-') { | |
2522 | endvalue = strtoull(endptr+1, &endptr, 10); | |
2523 | if (endvalue >= 63) { | |
2524 | endvalue = 62; | |
2525 | fprintf(stderr, | |
2526 | "only 63 CPUs in NUMA mode supported.\n"); | |
2527 | } | |
2528 | value = (1 << (endvalue + 1)) - (1 << value); | |
2529 | } else { | |
2530 | value = 1 << value; | |
2531 | } | |
2532 | } | |
2533 | node_cpumask[nodenr] = value; | |
2534 | } | |
2535 | nb_numa_nodes++; | |
2536 | } | |
2537 | return; | |
2538 | } | |
2539 | ||
dc6b1c09 AP |
2540 | static void smp_parse(const char *optarg) |
2541 | { | |
2542 | int smp, sockets = 0, threads = 0, cores = 0; | |
2543 | char *endptr; | |
2544 | char option[128]; | |
2545 | ||
2546 | smp = strtoul(optarg, &endptr, 10); | |
2547 | if (endptr != optarg) { | |
2548 | if (*endptr == ',') { | |
2549 | endptr++; | |
2550 | } | |
2551 | } | |
2552 | if (get_param_value(option, 128, "sockets", endptr) != 0) | |
2553 | sockets = strtoull(option, NULL, 10); | |
2554 | if (get_param_value(option, 128, "cores", endptr) != 0) | |
2555 | cores = strtoull(option, NULL, 10); | |
2556 | if (get_param_value(option, 128, "threads", endptr) != 0) | |
2557 | threads = strtoull(option, NULL, 10); | |
2558 | if (get_param_value(option, 128, "maxcpus", endptr) != 0) | |
2559 | max_cpus = strtoull(option, NULL, 10); | |
2560 | ||
2561 | /* compute missing values, prefer sockets over cores over threads */ | |
2562 | if (smp == 0 || sockets == 0) { | |
2563 | sockets = sockets > 0 ? sockets : 1; | |
2564 | cores = cores > 0 ? cores : 1; | |
2565 | threads = threads > 0 ? threads : 1; | |
2566 | if (smp == 0) { | |
2567 | smp = cores * threads * sockets; | |
2568 | } else { | |
2569 | sockets = smp / (cores * threads); | |
2570 | } | |
2571 | } else { | |
2572 | if (cores == 0) { | |
2573 | threads = threads > 0 ? threads : 1; | |
2574 | cores = smp / (sockets * threads); | |
2575 | } else { | |
2576 | if (sockets == 0) { | |
2577 | sockets = smp / (cores * threads); | |
2578 | } else { | |
2579 | threads = smp / (cores * sockets); | |
2580 | } | |
2581 | } | |
2582 | } | |
2583 | smp_cpus = smp; | |
2584 | smp_cores = cores > 0 ? cores : 1; | |
2585 | smp_threads = threads > 0 ? threads : 1; | |
2586 | if (max_cpus == 0) | |
2587 | max_cpus = smp_cpus; | |
2588 | } | |
2589 | ||
a594cfbf FB |
2590 | /***********************************************************/ |
2591 | /* USB devices */ | |
2592 | ||
c0f4ce77 | 2593 | static int usb_device_add(const char *devname, int is_hotplug) |
a594cfbf FB |
2594 | { |
2595 | const char *p; | |
a5d2f727 | 2596 | USBDevice *dev = NULL; |
a594cfbf | 2597 | |
a5d2f727 | 2598 | if (!usb_enabled) |
a594cfbf FB |
2599 | return -1; |
2600 | ||
0958b4cc GH |
2601 | /* drivers with .usbdevice_name entry in USBDeviceInfo */ |
2602 | dev = usbdevice_create(devname); | |
2603 | if (dev) | |
2604 | goto done; | |
2605 | ||
a5d2f727 | 2606 | /* the other ones */ |
a594cfbf FB |
2607 | if (strstart(devname, "host:", &p)) { |
2608 | dev = usb_host_device_open(p); | |
6c9f886c | 2609 | } else if (strstart(devname, "net:", &p)) { |
13cf8f21 MM |
2610 | QemuOpts *opts; |
2611 | int idx; | |
6c9f886c | 2612 | |
13cf8f21 MM |
2613 | opts = qemu_opts_parse(&qemu_net_opts, p, NULL); |
2614 | if (!opts) { | |
6c9f886c | 2615 | return -1; |
13cf8f21 MM |
2616 | } |
2617 | ||
2618 | qemu_opt_set(opts, "type", "nic"); | |
2619 | qemu_opt_set(opts, "model", "usb"); | |
2620 | ||
f6b134ac | 2621 | idx = net_client_init(NULL, opts, 0); |
13cf8f21 MM |
2622 | if (idx == -1) { |
2623 | return -1; | |
2624 | } | |
2625 | ||
2626 | dev = usb_net_init(&nd_table[idx]); | |
dc72ac14 AZ |
2627 | } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { |
2628 | dev = usb_bt_init(devname[2] ? hci_init(p) : | |
2629 | bt_new_hci(qemu_find_bt_vlan(0))); | |
a594cfbf FB |
2630 | } else { |
2631 | return -1; | |
2632 | } | |
0d92ed30 PB |
2633 | if (!dev) |
2634 | return -1; | |
2635 | ||
a5d2f727 | 2636 | done: |
a594cfbf FB |
2637 | return 0; |
2638 | } | |
2639 | ||
1f3870ab AL |
2640 | static int usb_device_del(const char *devname) |
2641 | { | |
2642 | int bus_num, addr; | |
2643 | const char *p; | |
2644 | ||
5d0c5750 AL |
2645 | if (strstart(devname, "host:", &p)) |
2646 | return usb_host_device_close(p); | |
2647 | ||
a5d2f727 | 2648 | if (!usb_enabled) |
1f3870ab AL |
2649 | return -1; |
2650 | ||
2651 | p = strchr(devname, '.'); | |
2652 | if (!p) | |
2653 | return -1; | |
2654 | bus_num = strtoul(devname, NULL, 0); | |
2655 | addr = strtoul(p + 1, NULL, 0); | |
2656 | ||
a5d2f727 | 2657 | return usb_device_delete_addr(bus_num, addr); |
1f3870ab AL |
2658 | } |
2659 | ||
bd3c948d GH |
2660 | static int usb_parse(const char *cmdline) |
2661 | { | |
2662 | return usb_device_add(cmdline, 0); | |
2663 | } | |
2664 | ||
d54908a5 | 2665 | void do_usb_add(Monitor *mon, const QDict *qdict) |
a594cfbf | 2666 | { |
d54908a5 | 2667 | usb_device_add(qdict_get_str(qdict, "devname"), 1); |
a594cfbf FB |
2668 | } |
2669 | ||
d54908a5 | 2670 | void do_usb_del(Monitor *mon, const QDict *qdict) |
a594cfbf | 2671 | { |
d54908a5 | 2672 | usb_device_del(qdict_get_str(qdict, "devname")); |
a594cfbf FB |
2673 | } |
2674 | ||
201a51fc AZ |
2675 | /***********************************************************/ |
2676 | /* PCMCIA/Cardbus */ | |
2677 | ||
2678 | static struct pcmcia_socket_entry_s { | |
bc24a225 | 2679 | PCMCIASocket *socket; |
201a51fc AZ |
2680 | struct pcmcia_socket_entry_s *next; |
2681 | } *pcmcia_sockets = 0; | |
2682 | ||
bc24a225 | 2683 | void pcmcia_socket_register(PCMCIASocket *socket) |
201a51fc AZ |
2684 | { |
2685 | struct pcmcia_socket_entry_s *entry; | |
2686 | ||
2687 | entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); | |
2688 | entry->socket = socket; | |
2689 | entry->next = pcmcia_sockets; | |
2690 | pcmcia_sockets = entry; | |
2691 | } | |
2692 | ||
bc24a225 | 2693 | void pcmcia_socket_unregister(PCMCIASocket *socket) |
201a51fc AZ |
2694 | { |
2695 | struct pcmcia_socket_entry_s *entry, **ptr; | |
2696 | ||
2697 | ptr = &pcmcia_sockets; | |
2698 | for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) | |
2699 | if (entry->socket == socket) { | |
2700 | *ptr = entry->next; | |
2701 | qemu_free(entry); | |
2702 | } | |
2703 | } | |
2704 | ||
376253ec | 2705 | void pcmcia_info(Monitor *mon) |
201a51fc AZ |
2706 | { |
2707 | struct pcmcia_socket_entry_s *iter; | |
376253ec | 2708 | |
201a51fc | 2709 | if (!pcmcia_sockets) |
376253ec | 2710 | monitor_printf(mon, "No PCMCIA sockets\n"); |
201a51fc AZ |
2711 | |
2712 | for (iter = pcmcia_sockets; iter; iter = iter->next) | |
376253ec AL |
2713 | monitor_printf(mon, "%s: %s\n", iter->socket->slot_string, |
2714 | iter->socket->attached ? iter->socket->card_string : | |
2715 | "Empty"); | |
201a51fc AZ |
2716 | } |
2717 | ||
2ff89790 | 2718 | /***********************************************************/ |
3023f332 AL |
2719 | /* register display */ |
2720 | ||
7b5d76da AL |
2721 | struct DisplayAllocator default_allocator = { |
2722 | defaultallocator_create_displaysurface, | |
2723 | defaultallocator_resize_displaysurface, | |
2724 | defaultallocator_free_displaysurface | |
2725 | }; | |
2726 | ||
3023f332 AL |
2727 | void register_displaystate(DisplayState *ds) |
2728 | { | |
2729 | DisplayState **s; | |
2730 | s = &display_state; | |
2731 | while (*s != NULL) | |
2732 | s = &(*s)->next; | |
2733 | ds->next = NULL; | |
2734 | *s = ds; | |
2735 | } | |
2736 | ||
2737 | DisplayState *get_displaystate(void) | |
2738 | { | |
2739 | return display_state; | |
2740 | } | |
2741 | ||
7b5d76da AL |
2742 | DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da) |
2743 | { | |
2744 | if(ds->allocator == &default_allocator) ds->allocator = da; | |
2745 | return ds->allocator; | |
2746 | } | |
2747 | ||
2ff89790 TS |
2748 | /* dumb display */ |
2749 | ||
8f391ab4 | 2750 | static void dumb_display_init(void) |
2ff89790 | 2751 | { |
8f391ab4 | 2752 | DisplayState *ds = qemu_mallocz(sizeof(DisplayState)); |
7b5d76da AL |
2753 | ds->allocator = &default_allocator; |
2754 | ds->surface = qemu_create_displaysurface(ds, 640, 480); | |
8f391ab4 | 2755 | register_displaystate(ds); |
2ff89790 TS |
2756 | } |
2757 | ||
8a7ddc38 FB |
2758 | /***********************************************************/ |
2759 | /* I/O handling */ | |
0824d6fc | 2760 | |
c4b1fcc0 FB |
2761 | typedef struct IOHandlerRecord { |
2762 | int fd; | |
7c9d8e07 FB |
2763 | IOCanRWHandler *fd_read_poll; |
2764 | IOHandler *fd_read; | |
2765 | IOHandler *fd_write; | |
cafffd40 | 2766 | int deleted; |
c4b1fcc0 FB |
2767 | void *opaque; |
2768 | /* temporary data */ | |
2769 | struct pollfd *ufd; | |
8a7ddc38 | 2770 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
2771 | } IOHandlerRecord; |
2772 | ||
8a7ddc38 | 2773 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 2774 | |
7c9d8e07 FB |
2775 | /* XXX: fd_read_poll should be suppressed, but an API change is |
2776 | necessary in the character devices to suppress fd_can_read(). */ | |
5fafdf24 TS |
2777 | int qemu_set_fd_handler2(int fd, |
2778 | IOCanRWHandler *fd_read_poll, | |
2779 | IOHandler *fd_read, | |
2780 | IOHandler *fd_write, | |
7c9d8e07 | 2781 | void *opaque) |
c4b1fcc0 | 2782 | { |
7c9d8e07 | 2783 | IOHandlerRecord **pioh, *ioh; |
c4b1fcc0 | 2784 | |
7c9d8e07 FB |
2785 | if (!fd_read && !fd_write) { |
2786 | pioh = &first_io_handler; | |
2787 | for(;;) { | |
2788 | ioh = *pioh; | |
2789 | if (ioh == NULL) | |
2790 | break; | |
2791 | if (ioh->fd == fd) { | |
cafffd40 | 2792 | ioh->deleted = 1; |
7c9d8e07 FB |
2793 | break; |
2794 | } | |
2795 | pioh = &ioh->next; | |
2796 | } | |
2797 | } else { | |
2798 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
2799 | if (ioh->fd == fd) | |
2800 | goto found; | |
2801 | } | |
2802 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
7c9d8e07 FB |
2803 | ioh->next = first_io_handler; |
2804 | first_io_handler = ioh; | |
2805 | found: | |
2806 | ioh->fd = fd; | |
2807 | ioh->fd_read_poll = fd_read_poll; | |
2808 | ioh->fd_read = fd_read; | |
2809 | ioh->fd_write = fd_write; | |
2810 | ioh->opaque = opaque; | |
cafffd40 | 2811 | ioh->deleted = 0; |
7c9d8e07 | 2812 | } |
c4b1fcc0 FB |
2813 | return 0; |
2814 | } | |
2815 | ||
5fafdf24 TS |
2816 | int qemu_set_fd_handler(int fd, |
2817 | IOHandler *fd_read, | |
2818 | IOHandler *fd_write, | |
7c9d8e07 | 2819 | void *opaque) |
8a7ddc38 | 2820 | { |
7c9d8e07 | 2821 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
8a7ddc38 FB |
2822 | } |
2823 | ||
56f3a5d0 | 2824 | #ifdef _WIN32 |
f331110f FB |
2825 | /***********************************************************/ |
2826 | /* Polling handling */ | |
2827 | ||
2828 | typedef struct PollingEntry { | |
2829 | PollingFunc *func; | |
2830 | void *opaque; | |
2831 | struct PollingEntry *next; | |
2832 | } PollingEntry; | |
2833 | ||
2834 | static PollingEntry *first_polling_entry; | |
2835 | ||
2836 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) | |
2837 | { | |
2838 | PollingEntry **ppe, *pe; | |
2839 | pe = qemu_mallocz(sizeof(PollingEntry)); | |
f331110f FB |
2840 | pe->func = func; |
2841 | pe->opaque = opaque; | |
2842 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); | |
2843 | *ppe = pe; | |
2844 | return 0; | |
2845 | } | |
2846 | ||
2847 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) | |
2848 | { | |
2849 | PollingEntry **ppe, *pe; | |
2850 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { | |
2851 | pe = *ppe; | |
2852 | if (pe->func == func && pe->opaque == opaque) { | |
2853 | *ppe = pe->next; | |
2854 | qemu_free(pe); | |
2855 | break; | |
2856 | } | |
2857 | } | |
2858 | } | |
2859 | ||
a18e524a FB |
2860 | /***********************************************************/ |
2861 | /* Wait objects support */ | |
2862 | typedef struct WaitObjects { | |
2863 | int num; | |
2864 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; | |
2865 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; | |
2866 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; | |
2867 | } WaitObjects; | |
2868 | ||
2869 | static WaitObjects wait_objects = {0}; | |
3b46e624 | 2870 | |
a18e524a FB |
2871 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
2872 | { | |
2873 | WaitObjects *w = &wait_objects; | |
2874 | ||
2875 | if (w->num >= MAXIMUM_WAIT_OBJECTS) | |
2876 | return -1; | |
2877 | w->events[w->num] = handle; | |
2878 | w->func[w->num] = func; | |
2879 | w->opaque[w->num] = opaque; | |
2880 | w->num++; | |
2881 | return 0; | |
2882 | } | |
2883 | ||
2884 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
2885 | { | |
2886 | int i, found; | |
2887 | WaitObjects *w = &wait_objects; | |
2888 | ||
2889 | found = 0; | |
2890 | for (i = 0; i < w->num; i++) { | |
2891 | if (w->events[i] == handle) | |
2892 | found = 1; | |
2893 | if (found) { | |
2894 | w->events[i] = w->events[i + 1]; | |
2895 | w->func[i] = w->func[i + 1]; | |
2896 | w->opaque[i] = w->opaque[i + 1]; | |
3b46e624 | 2897 | } |
a18e524a FB |
2898 | } |
2899 | if (found) | |
2900 | w->num--; | |
2901 | } | |
2902 | #endif | |
2903 | ||
8a7ddc38 FB |
2904 | /***********************************************************/ |
2905 | /* ram save/restore */ | |
2906 | ||
94fb0909 | 2907 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
475e4277 AL |
2908 | #define RAM_SAVE_FLAG_COMPRESS 0x02 |
2909 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
2910 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
2911 | #define RAM_SAVE_FLAG_EOS 0x10 | |
2912 | ||
2913 | static int is_dup_page(uint8_t *page, uint8_t ch) | |
8a7ddc38 | 2914 | { |
475e4277 AL |
2915 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
2916 | uint32_t *array = (uint32_t *)page; | |
2917 | int i; | |
3b46e624 | 2918 | |
475e4277 AL |
2919 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
2920 | if (array[i] != val) | |
2921 | return 0; | |
2922 | } | |
2923 | ||
2924 | return 1; | |
2925 | } | |
2926 | ||
2927 | static int ram_save_block(QEMUFile *f) | |
2928 | { | |
c227f099 AL |
2929 | static ram_addr_t current_addr = 0; |
2930 | ram_addr_t saved_addr = current_addr; | |
2931 | ram_addr_t addr = 0; | |
475e4277 AL |
2932 | int found = 0; |
2933 | ||
94a6b54f | 2934 | while (addr < last_ram_offset) { |
475e4277 | 2935 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { |
5579c7f3 | 2936 | uint8_t *p; |
475e4277 AL |
2937 | |
2938 | cpu_physical_memory_reset_dirty(current_addr, | |
2939 | current_addr + TARGET_PAGE_SIZE, | |
2940 | MIGRATION_DIRTY_FLAG); | |
2941 | ||
5579c7f3 | 2942 | p = qemu_get_ram_ptr(current_addr); |
475e4277 | 2943 | |
5579c7f3 | 2944 | if (is_dup_page(p, *p)) { |
475e4277 | 2945 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
5579c7f3 | 2946 | qemu_put_byte(f, *p); |
475e4277 AL |
2947 | } else { |
2948 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); | |
5579c7f3 | 2949 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
c88676f8 | 2950 | } |
475e4277 AL |
2951 | |
2952 | found = 1; | |
2953 | break; | |
c88676f8 | 2954 | } |
475e4277 | 2955 | addr += TARGET_PAGE_SIZE; |
94a6b54f | 2956 | current_addr = (saved_addr + addr) % last_ram_offset; |
8a7ddc38 | 2957 | } |
475e4277 AL |
2958 | |
2959 | return found; | |
8a7ddc38 FB |
2960 | } |
2961 | ||
84307938 | 2962 | static uint64_t bytes_transferred; |
475e4277 | 2963 | |
c227f099 | 2964 | static ram_addr_t ram_save_remaining(void) |
475e4277 | 2965 | { |
c227f099 AL |
2966 | ram_addr_t addr; |
2967 | ram_addr_t count = 0; | |
475e4277 | 2968 | |
94a6b54f | 2969 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
475e4277 AL |
2970 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
2971 | count++; | |
2972 | } | |
2973 | ||
2974 | return count; | |
2975 | } | |
2976 | ||
9f9e28cd GC |
2977 | uint64_t ram_bytes_remaining(void) |
2978 | { | |
2979 | return ram_save_remaining() * TARGET_PAGE_SIZE; | |
2980 | } | |
2981 | ||
2982 | uint64_t ram_bytes_transferred(void) | |
2983 | { | |
2984 | return bytes_transferred; | |
2985 | } | |
2986 | ||
2987 | uint64_t ram_bytes_total(void) | |
2988 | { | |
2989 | return last_ram_offset; | |
2990 | } | |
2991 | ||
f327aa0c | 2992 | static int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) |
475e4277 | 2993 | { |
c227f099 | 2994 | ram_addr_t addr; |
a0a3fd60 GC |
2995 | uint64_t bytes_transferred_last; |
2996 | double bwidth = 0; | |
2997 | uint64_t expected_time = 0; | |
475e4277 | 2998 | |
4ec7fcc7 JK |
2999 | if (stage < 0) { |
3000 | cpu_physical_memory_set_dirty_tracking(0); | |
3001 | return 0; | |
3002 | } | |
3003 | ||
9fa06385 | 3004 | if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { |
b0a46a33 JK |
3005 | qemu_file_set_error(f); |
3006 | return 0; | |
3007 | } | |
3008 | ||
475e4277 | 3009 | if (stage == 1) { |
84307938 JK |
3010 | bytes_transferred = 0; |
3011 | ||
475e4277 | 3012 | /* Make sure all dirty bits are set */ |
94a6b54f | 3013 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
475e4277 AL |
3014 | if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
3015 | cpu_physical_memory_set_dirty(addr); | |
3016 | } | |
b0a46a33 | 3017 | |
475e4277 AL |
3018 | /* Enable dirty memory tracking */ |
3019 | cpu_physical_memory_set_dirty_tracking(1); | |
3020 | ||
94a6b54f | 3021 | qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE); |
475e4277 AL |
3022 | } |
3023 | ||
a0a3fd60 GC |
3024 | bytes_transferred_last = bytes_transferred; |
3025 | bwidth = get_clock(); | |
3026 | ||
475e4277 AL |
3027 | while (!qemu_file_rate_limit(f)) { |
3028 | int ret; | |
3029 | ||
3030 | ret = ram_save_block(f); | |
9f9e28cd | 3031 | bytes_transferred += ret * TARGET_PAGE_SIZE; |
475e4277 AL |
3032 | if (ret == 0) /* no more blocks */ |
3033 | break; | |
3034 | } | |
3035 | ||
a0a3fd60 GC |
3036 | bwidth = get_clock() - bwidth; |
3037 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; | |
3038 | ||
3039 | /* if we haven't transferred anything this round, force expected_time to a | |
3040 | * a very high value, but without crashing */ | |
3041 | if (bwidth == 0) | |
3042 | bwidth = 0.000001; | |
3043 | ||
475e4277 | 3044 | /* try transferring iterative blocks of memory */ |
475e4277 | 3045 | if (stage == 3) { |
475e4277 | 3046 | /* flush all remaining blocks regardless of rate limiting */ |
9f9e28cd GC |
3047 | while (ram_save_block(f) != 0) { |
3048 | bytes_transferred += TARGET_PAGE_SIZE; | |
3049 | } | |
8215e914 | 3050 | cpu_physical_memory_set_dirty_tracking(0); |
475e4277 AL |
3051 | } |
3052 | ||
3053 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); | |
3054 | ||
a0a3fd60 GC |
3055 | expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
3056 | ||
3057 | return (stage == 2) && (expected_time <= migrate_max_downtime()); | |
475e4277 AL |
3058 | } |
3059 | ||
475e4277 AL |
3060 | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
3061 | { | |
c227f099 | 3062 | ram_addr_t addr; |
475e4277 AL |
3063 | int flags; |
3064 | ||
475e4277 AL |
3065 | if (version_id != 3) |
3066 | return -EINVAL; | |
3067 | ||
3068 | do { | |
3069 | addr = qemu_get_be64(f); | |
3070 | ||
3071 | flags = addr & ~TARGET_PAGE_MASK; | |
3072 | addr &= TARGET_PAGE_MASK; | |
3073 | ||
3074 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
94a6b54f | 3075 | if (addr != last_ram_offset) |
475e4277 AL |
3076 | return -EINVAL; |
3077 | } | |
3078 | ||
475e4277 AL |
3079 | if (flags & RAM_SAVE_FLAG_COMPRESS) { |
3080 | uint8_t ch = qemu_get_byte(f); | |
779c6bef AL |
3081 | memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); |
3082 | #ifndef _WIN32 | |
30868442 AL |
3083 | if (ch == 0 && |
3084 | (!kvm_enabled() || kvm_has_sync_mmu())) { | |
3085 | madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED); | |
779c6bef | 3086 | } |
30868442 | 3087 | #endif |
9a743e5b | 3088 | } else if (flags & RAM_SAVE_FLAG_PAGE) { |
5579c7f3 | 3089 | qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); |
9a743e5b JK |
3090 | } |
3091 | if (qemu_file_has_error(f)) { | |
3092 | return -EIO; | |
3093 | } | |
475e4277 AL |
3094 | } while (!(flags & RAM_SAVE_FLAG_EOS)); |
3095 | ||
8a7ddc38 FB |
3096 | return 0; |
3097 | } | |
3098 | ||
9e472e10 AL |
3099 | void qemu_service_io(void) |
3100 | { | |
d9f75a4e | 3101 | qemu_notify_event(); |
9e472e10 AL |
3102 | } |
3103 | ||
cc1daa40 FB |
3104 | /***********************************************************/ |
3105 | /* machine registration */ | |
3106 | ||
bdaf78e0 | 3107 | static QEMUMachine *first_machine = NULL; |
6f338c34 | 3108 | QEMUMachine *current_machine = NULL; |
cc1daa40 FB |
3109 | |
3110 | int qemu_register_machine(QEMUMachine *m) | |
3111 | { | |
3112 | QEMUMachine **pm; | |
3113 | pm = &first_machine; | |
3114 | while (*pm != NULL) | |
3115 | pm = &(*pm)->next; | |
3116 | m->next = NULL; | |
3117 | *pm = m; | |
3118 | return 0; | |
3119 | } | |
3120 | ||
9596ebb7 | 3121 | static QEMUMachine *find_machine(const char *name) |
cc1daa40 FB |
3122 | { |
3123 | QEMUMachine *m; | |
3124 | ||
3125 | for(m = first_machine; m != NULL; m = m->next) { | |
3126 | if (!strcmp(m->name, name)) | |
3127 | return m; | |
3f6599e6 MM |
3128 | if (m->alias && !strcmp(m->alias, name)) |
3129 | return m; | |
cc1daa40 FB |
3130 | } |
3131 | return NULL; | |
3132 | } | |
3133 | ||
0c257437 AL |
3134 | static QEMUMachine *find_default_machine(void) |
3135 | { | |
3136 | QEMUMachine *m; | |
3137 | ||
3138 | for(m = first_machine; m != NULL; m = m->next) { | |
3139 | if (m->is_default) { | |
3140 | return m; | |
3141 | } | |
3142 | } | |
3143 | return NULL; | |
3144 | } | |
3145 | ||
8a7ddc38 FB |
3146 | /***********************************************************/ |
3147 | /* main execution loop */ | |
3148 | ||
9596ebb7 | 3149 | static void gui_update(void *opaque) |
8a7ddc38 | 3150 | { |
7d957bd8 | 3151 | uint64_t interval = GUI_REFRESH_INTERVAL; |
740733bb | 3152 | DisplayState *ds = opaque; |
7d957bd8 AL |
3153 | DisplayChangeListener *dcl = ds->listeners; |
3154 | ||
3155 | dpy_refresh(ds); | |
3156 | ||
3157 | while (dcl != NULL) { | |
3158 | if (dcl->gui_timer_interval && | |
3159 | dcl->gui_timer_interval < interval) | |
3160 | interval = dcl->gui_timer_interval; | |
3161 | dcl = dcl->next; | |
3162 | } | |
3163 | qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock)); | |
8a7ddc38 FB |
3164 | } |
3165 | ||
9043b62d BS |
3166 | static void nographic_update(void *opaque) |
3167 | { | |
3168 | uint64_t interval = GUI_REFRESH_INTERVAL; | |
3169 | ||
3170 | qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock)); | |
3171 | } | |
3172 | ||
0bd48850 FB |
3173 | struct vm_change_state_entry { |
3174 | VMChangeStateHandler *cb; | |
3175 | void *opaque; | |
72cf2d4f | 3176 | QLIST_ENTRY (vm_change_state_entry) entries; |
0bd48850 FB |
3177 | }; |
3178 | ||
72cf2d4f | 3179 | static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; |
0bd48850 FB |
3180 | |
3181 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
3182 | void *opaque) | |
3183 | { | |
3184 | VMChangeStateEntry *e; | |
3185 | ||
3186 | e = qemu_mallocz(sizeof (*e)); | |
0bd48850 FB |
3187 | |
3188 | e->cb = cb; | |
3189 | e->opaque = opaque; | |
72cf2d4f | 3190 | QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
0bd48850 FB |
3191 | return e; |
3192 | } | |
3193 | ||
3194 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
3195 | { | |
72cf2d4f | 3196 | QLIST_REMOVE (e, entries); |
0bd48850 FB |
3197 | qemu_free (e); |
3198 | } | |
3199 | ||
9781e040 | 3200 | static void vm_state_notify(int running, int reason) |
0bd48850 FB |
3201 | { |
3202 | VMChangeStateEntry *e; | |
3203 | ||
3204 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
9781e040 | 3205 | e->cb(e->opaque, running, reason); |
0bd48850 FB |
3206 | } |
3207 | } | |
3208 | ||
d6dc3d42 AL |
3209 | static void resume_all_vcpus(void); |
3210 | static void pause_all_vcpus(void); | |
3211 | ||
8a7ddc38 FB |
3212 | void vm_start(void) |
3213 | { | |
3214 | if (!vm_running) { | |
3215 | cpu_enable_ticks(); | |
3216 | vm_running = 1; | |
9781e040 | 3217 | vm_state_notify(1, 0); |
efe75411 | 3218 | qemu_rearm_alarm_timer(alarm_timer); |
d6dc3d42 | 3219 | resume_all_vcpus(); |
8a7ddc38 FB |
3220 | } |
3221 | } | |
3222 | ||
bb0c6722 FB |
3223 | /* reset/shutdown handler */ |
3224 | ||
3225 | typedef struct QEMUResetEntry { | |
72cf2d4f | 3226 | QTAILQ_ENTRY(QEMUResetEntry) entry; |
bb0c6722 FB |
3227 | QEMUResetHandler *func; |
3228 | void *opaque; | |
bb0c6722 FB |
3229 | } QEMUResetEntry; |
3230 | ||
72cf2d4f BS |
3231 | static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers = |
3232 | QTAILQ_HEAD_INITIALIZER(reset_handlers); | |
bb0c6722 FB |
3233 | static int reset_requested; |
3234 | static int shutdown_requested; | |
3475187d | 3235 | static int powerdown_requested; |
e568902a | 3236 | static int debug_requested; |
6e29f5da | 3237 | static int vmstop_requested; |
bb0c6722 | 3238 | |
cf7a2fe2 AJ |
3239 | int qemu_shutdown_requested(void) |
3240 | { | |
3241 | int r = shutdown_requested; | |
3242 | shutdown_requested = 0; | |
3243 | return r; | |
3244 | } | |
3245 | ||
3246 | int qemu_reset_requested(void) | |
3247 | { | |
3248 | int r = reset_requested; | |
3249 | reset_requested = 0; | |
3250 | return r; | |
3251 | } | |
3252 | ||
3253 | int qemu_powerdown_requested(void) | |
3254 | { | |
3255 | int r = powerdown_requested; | |
3256 | powerdown_requested = 0; | |
3257 | return r; | |
3258 | } | |
3259 | ||
e568902a AL |
3260 | static int qemu_debug_requested(void) |
3261 | { | |
3262 | int r = debug_requested; | |
3263 | debug_requested = 0; | |
3264 | return r; | |
3265 | } | |
3266 | ||
6e29f5da AL |
3267 | static int qemu_vmstop_requested(void) |
3268 | { | |
3269 | int r = vmstop_requested; | |
3270 | vmstop_requested = 0; | |
3271 | return r; | |
3272 | } | |
3273 | ||
3274 | static void do_vm_stop(int reason) | |
3275 | { | |
3276 | if (vm_running) { | |
3277 | cpu_disable_ticks(); | |
3278 | vm_running = 0; | |
d6dc3d42 | 3279 | pause_all_vcpus(); |
6e29f5da AL |
3280 | vm_state_notify(0, reason); |
3281 | } | |
3282 | } | |
3283 | ||
a08d4367 | 3284 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
bb0c6722 | 3285 | { |
55ddfe8e | 3286 | QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry)); |
bb0c6722 | 3287 | |
bb0c6722 FB |
3288 | re->func = func; |
3289 | re->opaque = opaque; | |
72cf2d4f | 3290 | QTAILQ_INSERT_TAIL(&reset_handlers, re, entry); |
bb0c6722 FB |
3291 | } |
3292 | ||
dda9b29f | 3293 | void qemu_unregister_reset(QEMUResetHandler *func, void *opaque) |
bb0c6722 FB |
3294 | { |
3295 | QEMUResetEntry *re; | |
3296 | ||
72cf2d4f | 3297 | QTAILQ_FOREACH(re, &reset_handlers, entry) { |
dda9b29f | 3298 | if (re->func == func && re->opaque == opaque) { |
72cf2d4f | 3299 | QTAILQ_REMOVE(&reset_handlers, re, entry); |
dda9b29f JK |
3300 | qemu_free(re); |
3301 | return; | |
3302 | } | |
3303 | } | |
3304 | } | |
3305 | ||
3306 | void qemu_system_reset(void) | |
3307 | { | |
3308 | QEMUResetEntry *re, *nre; | |
3309 | ||
3310 | /* reset all devices */ | |
72cf2d4f | 3311 | QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) { |
bb0c6722 FB |
3312 | re->func(re->opaque); |
3313 | } | |
3314 | } | |
3315 | ||
3316 | void qemu_system_reset_request(void) | |
3317 | { | |
d1beab82 FB |
3318 | if (no_reboot) { |
3319 | shutdown_requested = 1; | |
3320 | } else { | |
3321 | reset_requested = 1; | |
3322 | } | |
d9f75a4e | 3323 | qemu_notify_event(); |
bb0c6722 FB |
3324 | } |
3325 | ||
3326 | void qemu_system_shutdown_request(void) | |
3327 | { | |
3328 | shutdown_requested = 1; | |
d9f75a4e | 3329 | qemu_notify_event(); |
bb0c6722 FB |
3330 | } |
3331 | ||
3475187d FB |
3332 | void qemu_system_powerdown_request(void) |
3333 | { | |
3334 | powerdown_requested = 1; | |
d9f75a4e AL |
3335 | qemu_notify_event(); |
3336 | } | |
3337 | ||
d6dc3d42 AL |
3338 | #ifdef CONFIG_IOTHREAD |
3339 | static void qemu_system_vmstop_request(int reason) | |
d9f75a4e | 3340 | { |
d6dc3d42 AL |
3341 | vmstop_requested = reason; |
3342 | qemu_notify_event(); | |
bb0c6722 | 3343 | } |
d6dc3d42 | 3344 | #endif |
bb0c6722 | 3345 | |
50317c7f AL |
3346 | #ifndef _WIN32 |
3347 | static int io_thread_fd = -1; | |
3348 | ||
3349 | static void qemu_event_increment(void) | |
3fcf7b6b | 3350 | { |
50317c7f AL |
3351 | static const char byte = 0; |
3352 | ||
3353 | if (io_thread_fd == -1) | |
3354 | return; | |
3355 | ||
3356 | write(io_thread_fd, &byte, sizeof(byte)); | |
3357 | } | |
3358 | ||
3359 | static void qemu_event_read(void *opaque) | |
3360 | { | |
3361 | int fd = (unsigned long)opaque; | |
3362 | ssize_t len; | |
3363 | ||
3364 | /* Drain the notify pipe */ | |
3365 | do { | |
3366 | char buffer[512]; | |
3367 | len = read(fd, buffer, sizeof(buffer)); | |
3368 | } while ((len == -1 && errno == EINTR) || len > 0); | |
3369 | } | |
3370 | ||
3371 | static int qemu_event_init(void) | |
3372 | { | |
3373 | int err; | |
3374 | int fds[2]; | |
3375 | ||
40ff6d7e | 3376 | err = qemu_pipe(fds); |
50317c7f AL |
3377 | if (err == -1) |
3378 | return -errno; | |
3379 | ||
3380 | err = fcntl_setfl(fds[0], O_NONBLOCK); | |
3381 | if (err < 0) | |
3382 | goto fail; | |
3383 | ||
3384 | err = fcntl_setfl(fds[1], O_NONBLOCK); | |
3385 | if (err < 0) | |
3386 | goto fail; | |
3387 | ||
3388 | qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL, | |
3389 | (void *)(unsigned long)fds[0]); | |
3390 | ||
3391 | io_thread_fd = fds[1]; | |
a7e21219 JK |
3392 | return 0; |
3393 | ||
50317c7f AL |
3394 | fail: |
3395 | close(fds[0]); | |
3396 | close(fds[1]); | |
3397 | return err; | |
3398 | } | |
3399 | #else | |
3400 | HANDLE qemu_event_handle; | |
3401 | ||
3402 | static void dummy_event_handler(void *opaque) | |
3403 | { | |
3404 | } | |
3405 | ||
3406 | static int qemu_event_init(void) | |
3407 | { | |
3408 | qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL); | |
3409 | if (!qemu_event_handle) { | |
20889d4e | 3410 | fprintf(stderr, "Failed CreateEvent: %ld\n", GetLastError()); |
50317c7f AL |
3411 | return -1; |
3412 | } | |
3413 | qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL); | |
3fcf7b6b AL |
3414 | return 0; |
3415 | } | |
3416 | ||
50317c7f AL |
3417 | static void qemu_event_increment(void) |
3418 | { | |
de1c90cf | 3419 | if (!SetEvent(qemu_event_handle)) { |
20889d4e | 3420 | fprintf(stderr, "qemu_event_increment: SetEvent failed: %ld\n", |
de1c90cf | 3421 | GetLastError()); |
3422 | exit (1); | |
3423 | } | |
50317c7f AL |
3424 | } |
3425 | #endif | |
3426 | ||
d6dc3d42 AL |
3427 | static int cpu_can_run(CPUState *env) |
3428 | { | |
3429 | if (env->stop) | |
3430 | return 0; | |
3431 | if (env->stopped) | |
3432 | return 0; | |
3433 | return 1; | |
3434 | } | |
3435 | ||
3436 | #ifndef CONFIG_IOTHREAD | |
50317c7f AL |
3437 | static int qemu_init_main_loop(void) |
3438 | { | |
3439 | return qemu_event_init(); | |
3440 | } | |
3441 | ||
0bf46a40 AL |
3442 | void qemu_init_vcpu(void *_env) |
3443 | { | |
3444 | CPUState *env = _env; | |
3445 | ||
3446 | if (kvm_enabled()) | |
3447 | kvm_init_vcpu(env); | |
dc6b1c09 AP |
3448 | env->nr_cores = smp_cores; |
3449 | env->nr_threads = smp_threads; | |
0bf46a40 AL |
3450 | return; |
3451 | } | |
3452 | ||
8edac960 AL |
3453 | int qemu_cpu_self(void *env) |
3454 | { | |
3455 | return 1; | |
3456 | } | |
3457 | ||
d6dc3d42 AL |
3458 | static void resume_all_vcpus(void) |
3459 | { | |
3460 | } | |
3461 | ||
3462 | static void pause_all_vcpus(void) | |
3463 | { | |
3464 | } | |
3465 | ||
8edac960 AL |
3466 | void qemu_cpu_kick(void *env) |
3467 | { | |
3468 | return; | |
3469 | } | |
3470 | ||
d6dc3d42 AL |
3471 | void qemu_notify_event(void) |
3472 | { | |
3473 | CPUState *env = cpu_single_env; | |
3474 | ||
3475 | if (env) { | |
3476 | cpu_exit(env); | |
4a1418e0 | 3477 | } |
d6dc3d42 AL |
3478 | } |
3479 | ||
d549db5a GC |
3480 | void qemu_mutex_lock_iothread(void) {} |
3481 | void qemu_mutex_unlock_iothread(void) {} | |
4870852c | 3482 | |
6e29f5da AL |
3483 | void vm_stop(int reason) |
3484 | { | |
3485 | do_vm_stop(reason); | |
3486 | } | |
3487 | ||
d6dc3d42 AL |
3488 | #else /* CONFIG_IOTHREAD */ |
3489 | ||
3490 | #include "qemu-thread.h" | |
3491 | ||
3492 | QemuMutex qemu_global_mutex; | |
3493 | static QemuMutex qemu_fair_mutex; | |
3494 | ||
3495 | static QemuThread io_thread; | |
3496 | ||
3497 | static QemuThread *tcg_cpu_thread; | |
3498 | static QemuCond *tcg_halt_cond; | |
3499 | ||
3500 | static int qemu_system_ready; | |
3501 | /* cpu creation */ | |
3502 | static QemuCond qemu_cpu_cond; | |
3503 | /* system init */ | |
3504 | static QemuCond qemu_system_cond; | |
3505 | static QemuCond qemu_pause_cond; | |
3506 | ||
3507 | static void block_io_signals(void); | |
3508 | static void unblock_io_signals(void); | |
3509 | static int tcg_has_work(void); | |
3510 | ||
3511 | static int qemu_init_main_loop(void) | |
3512 | { | |
3513 | int ret; | |
3514 | ||
3515 | ret = qemu_event_init(); | |
3516 | if (ret) | |
3517 | return ret; | |
3518 | ||
3519 | qemu_cond_init(&qemu_pause_cond); | |
3520 | qemu_mutex_init(&qemu_fair_mutex); | |
3521 | qemu_mutex_init(&qemu_global_mutex); | |
3522 | qemu_mutex_lock(&qemu_global_mutex); | |
3523 | ||
3524 | unblock_io_signals(); | |
3525 | qemu_thread_self(&io_thread); | |
3526 | ||
3527 | return 0; | |
3528 | } | |
3529 | ||
3530 | static void qemu_wait_io_event(CPUState *env) | |
3531 | { | |
3532 | while (!tcg_has_work()) | |
3533 | qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000); | |
3534 | ||
3535 | qemu_mutex_unlock(&qemu_global_mutex); | |
3536 | ||
3537 | /* | |
3538 | * Users of qemu_global_mutex can be starved, having no chance | |
3539 | * to acquire it since this path will get to it first. | |
3540 | * So use another lock to provide fairness. | |
3541 | */ | |
3542 | qemu_mutex_lock(&qemu_fair_mutex); | |
3543 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3544 | ||
3545 | qemu_mutex_lock(&qemu_global_mutex); | |
3546 | if (env->stop) { | |
3547 | env->stop = 0; | |
3548 | env->stopped = 1; | |
3549 | qemu_cond_signal(&qemu_pause_cond); | |
3550 | } | |
3551 | } | |
3552 | ||
3553 | static int qemu_cpu_exec(CPUState *env); | |
3554 | ||
3555 | static void *kvm_cpu_thread_fn(void *arg) | |
3556 | { | |
3557 | CPUState *env = arg; | |
3558 | ||
3559 | block_io_signals(); | |
3560 | qemu_thread_self(env->thread); | |
321c1cb1 JCD |
3561 | if (kvm_enabled()) |
3562 | kvm_init_vcpu(env); | |
d6dc3d42 AL |
3563 | |
3564 | /* signal CPU creation */ | |
3565 | qemu_mutex_lock(&qemu_global_mutex); | |
3566 | env->created = 1; | |
3567 | qemu_cond_signal(&qemu_cpu_cond); | |
3568 | ||
3569 | /* and wait for machine initialization */ | |
3570 | while (!qemu_system_ready) | |
3571 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3572 | ||
3573 | while (1) { | |
3574 | if (cpu_can_run(env)) | |
3575 | qemu_cpu_exec(env); | |
1c3173b9 | 3576 | qemu_wait_io_event(env); |
d6dc3d42 AL |
3577 | } |
3578 | ||
3579 | return NULL; | |
3580 | } | |
3581 | ||
3582 | static void tcg_cpu_exec(void); | |
3583 | ||
3584 | static void *tcg_cpu_thread_fn(void *arg) | |
3585 | { | |
3586 | CPUState *env = arg; | |
3587 | ||
3588 | block_io_signals(); | |
3589 | qemu_thread_self(env->thread); | |
3590 | ||
3591 | /* signal CPU creation */ | |
3592 | qemu_mutex_lock(&qemu_global_mutex); | |
3593 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
3594 | env->created = 1; | |
3595 | qemu_cond_signal(&qemu_cpu_cond); | |
3596 | ||
3597 | /* and wait for machine initialization */ | |
3598 | while (!qemu_system_ready) | |
3599 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3600 | ||
3601 | while (1) { | |
3602 | tcg_cpu_exec(); | |
3603 | qemu_wait_io_event(cur_cpu); | |
3604 | } | |
3605 | ||
3606 | return NULL; | |
3607 | } | |
3608 | ||
3609 | void qemu_cpu_kick(void *_env) | |
3610 | { | |
3611 | CPUState *env = _env; | |
3612 | qemu_cond_broadcast(env->halt_cond); | |
3613 | if (kvm_enabled()) | |
3614 | qemu_thread_signal(env->thread, SIGUSR1); | |
3615 | } | |
3616 | ||
e5bc201d | 3617 | int qemu_cpu_self(void *_env) |
d6dc3d42 | 3618 | { |
e5bc201d GC |
3619 | CPUState *env = _env; |
3620 | QemuThread this; | |
3621 | ||
3622 | qemu_thread_self(&this); | |
3623 | ||
3624 | return qemu_thread_equal(&this, env->thread); | |
d6dc3d42 AL |
3625 | } |
3626 | ||
3627 | static void cpu_signal(int sig) | |
3628 | { | |
3629 | if (cpu_single_env) | |
3630 | cpu_exit(cpu_single_env); | |
3631 | } | |
3632 | ||
3633 | static void block_io_signals(void) | |
3634 | { | |
3635 | sigset_t set; | |
3636 | struct sigaction sigact; | |
3637 | ||
3638 | sigemptyset(&set); | |
3639 | sigaddset(&set, SIGUSR2); | |
3640 | sigaddset(&set, SIGIO); | |
3641 | sigaddset(&set, SIGALRM); | |
3642 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3643 | ||
3644 | sigemptyset(&set); | |
3645 | sigaddset(&set, SIGUSR1); | |
3646 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3647 | ||
3648 | memset(&sigact, 0, sizeof(sigact)); | |
3649 | sigact.sa_handler = cpu_signal; | |
3650 | sigaction(SIGUSR1, &sigact, NULL); | |
3651 | } | |
3652 | ||
3653 | static void unblock_io_signals(void) | |
3654 | { | |
3655 | sigset_t set; | |
3656 | ||
3657 | sigemptyset(&set); | |
3658 | sigaddset(&set, SIGUSR2); | |
3659 | sigaddset(&set, SIGIO); | |
3660 | sigaddset(&set, SIGALRM); | |
3661 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3662 | ||
3663 | sigemptyset(&set); | |
3664 | sigaddset(&set, SIGUSR1); | |
3665 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3666 | } | |
3667 | ||
3668 | static void qemu_signal_lock(unsigned int msecs) | |
3669 | { | |
3670 | qemu_mutex_lock(&qemu_fair_mutex); | |
3671 | ||
3672 | while (qemu_mutex_trylock(&qemu_global_mutex)) { | |
3673 | qemu_thread_signal(tcg_cpu_thread, SIGUSR1); | |
3674 | if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs)) | |
3675 | break; | |
3676 | } | |
3677 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3678 | } | |
3679 | ||
d549db5a | 3680 | void qemu_mutex_lock_iothread(void) |
d6dc3d42 AL |
3681 | { |
3682 | if (kvm_enabled()) { | |
3683 | qemu_mutex_lock(&qemu_fair_mutex); | |
3684 | qemu_mutex_lock(&qemu_global_mutex); | |
3685 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3686 | } else | |
3687 | qemu_signal_lock(100); | |
3688 | } | |
3689 | ||
d549db5a | 3690 | void qemu_mutex_unlock_iothread(void) |
d6dc3d42 AL |
3691 | { |
3692 | qemu_mutex_unlock(&qemu_global_mutex); | |
3693 | } | |
3694 | ||
3695 | static int all_vcpus_paused(void) | |
3696 | { | |
3697 | CPUState *penv = first_cpu; | |
3698 | ||
3699 | while (penv) { | |
3700 | if (!penv->stopped) | |
3701 | return 0; | |
3702 | penv = (CPUState *)penv->next_cpu; | |
3703 | } | |
3704 | ||
3705 | return 1; | |
3706 | } | |
3707 | ||
3708 | static void pause_all_vcpus(void) | |
3709 | { | |
3710 | CPUState *penv = first_cpu; | |
3711 | ||
3712 | while (penv) { | |
3713 | penv->stop = 1; | |
3714 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3715 | qemu_cpu_kick(penv); | |
3716 | penv = (CPUState *)penv->next_cpu; | |
3717 | } | |
3718 | ||
3719 | while (!all_vcpus_paused()) { | |
3720 | qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100); | |
3721 | penv = first_cpu; | |
3722 | while (penv) { | |
3723 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3724 | penv = (CPUState *)penv->next_cpu; | |
3725 | } | |
3726 | } | |
3727 | } | |
3728 | ||
3729 | static void resume_all_vcpus(void) | |
3730 | { | |
3731 | CPUState *penv = first_cpu; | |
3732 | ||
3733 | while (penv) { | |
3734 | penv->stop = 0; | |
3735 | penv->stopped = 0; | |
3736 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3737 | qemu_cpu_kick(penv); | |
3738 | penv = (CPUState *)penv->next_cpu; | |
3739 | } | |
3740 | } | |
3741 | ||
3742 | static void tcg_init_vcpu(void *_env) | |
3743 | { | |
3744 | CPUState *env = _env; | |
3745 | /* share a single thread for all cpus with TCG */ | |
3746 | if (!tcg_cpu_thread) { | |
3747 | env->thread = qemu_mallocz(sizeof(QemuThread)); | |
3748 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
3749 | qemu_cond_init(env->halt_cond); | |
3750 | qemu_thread_create(env->thread, tcg_cpu_thread_fn, env); | |
3751 | while (env->created == 0) | |
3752 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
3753 | tcg_cpu_thread = env->thread; | |
3754 | tcg_halt_cond = env->halt_cond; | |
3755 | } else { | |
3756 | env->thread = tcg_cpu_thread; | |
3757 | env->halt_cond = tcg_halt_cond; | |
3758 | } | |
3759 | } | |
3760 | ||
3761 | static void kvm_start_vcpu(CPUState *env) | |
3762 | { | |
d6dc3d42 AL |
3763 | env->thread = qemu_mallocz(sizeof(QemuThread)); |
3764 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
3765 | qemu_cond_init(env->halt_cond); | |
3766 | qemu_thread_create(env->thread, kvm_cpu_thread_fn, env); | |
3767 | while (env->created == 0) | |
3768 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
3769 | } | |
3770 | ||
3771 | void qemu_init_vcpu(void *_env) | |
3772 | { | |
3773 | CPUState *env = _env; | |
3774 | ||
3775 | if (kvm_enabled()) | |
3776 | kvm_start_vcpu(env); | |
3777 | else | |
3778 | tcg_init_vcpu(env); | |
dc6b1c09 AP |
3779 | env->nr_cores = smp_cores; |
3780 | env->nr_threads = smp_threads; | |
d6dc3d42 AL |
3781 | } |
3782 | ||
3783 | void qemu_notify_event(void) | |
3784 | { | |
3785 | qemu_event_increment(); | |
3786 | } | |
3787 | ||
3788 | void vm_stop(int reason) | |
3789 | { | |
3790 | QemuThread me; | |
3791 | qemu_thread_self(&me); | |
3792 | ||
3793 | if (!qemu_thread_equal(&me, &io_thread)) { | |
3794 | qemu_system_vmstop_request(reason); | |
3795 | /* | |
3796 | * FIXME: should not return to device code in case | |
3797 | * vm_stop() has been requested. | |
3798 | */ | |
3799 | if (cpu_single_env) { | |
3800 | cpu_exit(cpu_single_env); | |
3801 | cpu_single_env->stop = 1; | |
3802 | } | |
3803 | return; | |
3804 | } | |
3805 | do_vm_stop(reason); | |
3806 | } | |
3807 | ||
3808 | #endif | |
3809 | ||
3810 | ||
877cf882 | 3811 | #ifdef _WIN32 |
69d6451c | 3812 | static void host_main_loop_wait(int *timeout) |
56f3a5d0 AL |
3813 | { |
3814 | int ret, ret2, i; | |
f331110f FB |
3815 | PollingEntry *pe; |
3816 | ||
c4b1fcc0 | 3817 | |
f331110f FB |
3818 | /* XXX: need to suppress polling by better using win32 events */ |
3819 | ret = 0; | |
3820 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { | |
3821 | ret |= pe->func(pe->opaque); | |
3822 | } | |
e6b1e558 | 3823 | if (ret == 0) { |
a18e524a FB |
3824 | int err; |
3825 | WaitObjects *w = &wait_objects; | |
3b46e624 | 3826 | |
56f3a5d0 | 3827 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); |
a18e524a FB |
3828 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
3829 | if (w->func[ret - WAIT_OBJECT_0]) | |
3830 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); | |
3b46e624 | 3831 | |
5fafdf24 | 3832 | /* Check for additional signaled events */ |
e6b1e558 | 3833 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
3b46e624 | 3834 | |
e6b1e558 TS |
3835 | /* Check if event is signaled */ |
3836 | ret2 = WaitForSingleObject(w->events[i], 0); | |
3837 | if(ret2 == WAIT_OBJECT_0) { | |
3838 | if (w->func[i]) | |
3839 | w->func[i](w->opaque[i]); | |
3840 | } else if (ret2 == WAIT_TIMEOUT) { | |
3841 | } else { | |
3842 | err = GetLastError(); | |
3843 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); | |
3b46e624 TS |
3844 | } |
3845 | } | |
a18e524a FB |
3846 | } else if (ret == WAIT_TIMEOUT) { |
3847 | } else { | |
3848 | err = GetLastError(); | |
e6b1e558 | 3849 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); |
a18e524a | 3850 | } |
f331110f | 3851 | } |
56f3a5d0 AL |
3852 | |
3853 | *timeout = 0; | |
3854 | } | |
3855 | #else | |
69d6451c | 3856 | static void host_main_loop_wait(int *timeout) |
56f3a5d0 AL |
3857 | { |
3858 | } | |
fd1dff4b | 3859 | #endif |
56f3a5d0 AL |
3860 | |
3861 | void main_loop_wait(int timeout) | |
3862 | { | |
3863 | IOHandlerRecord *ioh; | |
3864 | fd_set rfds, wfds, xfds; | |
3865 | int ret, nfds; | |
3866 | struct timeval tv; | |
3867 | ||
3868 | qemu_bh_update_timeout(&timeout); | |
3869 | ||
3870 | host_main_loop_wait(&timeout); | |
3871 | ||
fd1dff4b FB |
3872 | /* poll any events */ |
3873 | /* XXX: separate device handlers from system ones */ | |
6abfbd79 | 3874 | nfds = -1; |
fd1dff4b FB |
3875 | FD_ZERO(&rfds); |
3876 | FD_ZERO(&wfds); | |
e035649e | 3877 | FD_ZERO(&xfds); |
fd1dff4b | 3878 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
cafffd40 TS |
3879 | if (ioh->deleted) |
3880 | continue; | |
fd1dff4b FB |
3881 | if (ioh->fd_read && |
3882 | (!ioh->fd_read_poll || | |
3883 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
3884 | FD_SET(ioh->fd, &rfds); | |
3885 | if (ioh->fd > nfds) | |
3886 | nfds = ioh->fd; | |
3887 | } | |
3888 | if (ioh->fd_write) { | |
3889 | FD_SET(ioh->fd, &wfds); | |
3890 | if (ioh->fd > nfds) | |
3891 | nfds = ioh->fd; | |
3892 | } | |
3893 | } | |
3b46e624 | 3894 | |
56f3a5d0 AL |
3895 | tv.tv_sec = timeout / 1000; |
3896 | tv.tv_usec = (timeout % 1000) * 1000; | |
3897 | ||
d918f23e JK |
3898 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
3899 | ||
4870852c | 3900 | qemu_mutex_unlock_iothread(); |
e035649e | 3901 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); |
4870852c | 3902 | qemu_mutex_lock_iothread(); |
fd1dff4b | 3903 | if (ret > 0) { |
cafffd40 TS |
3904 | IOHandlerRecord **pioh; |
3905 | ||
3906 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
6ab43fdc | 3907 | if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { |
fd1dff4b | 3908 | ioh->fd_read(ioh->opaque); |
7c9d8e07 | 3909 | } |
6ab43fdc | 3910 | if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { |
fd1dff4b | 3911 | ioh->fd_write(ioh->opaque); |
c4b1fcc0 | 3912 | } |
b4608c04 | 3913 | } |
cafffd40 TS |
3914 | |
3915 | /* remove deleted IO handlers */ | |
3916 | pioh = &first_io_handler; | |
3917 | while (*pioh) { | |
3918 | ioh = *pioh; | |
3919 | if (ioh->deleted) { | |
3920 | *pioh = ioh->next; | |
3921 | qemu_free(ioh); | |
5fafdf24 | 3922 | } else |
cafffd40 TS |
3923 | pioh = &ioh->next; |
3924 | } | |
fd1dff4b | 3925 | } |
d918f23e JK |
3926 | |
3927 | slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0)); | |
b4608c04 | 3928 | |
50317c7f AL |
3929 | /* rearm timer, if not periodic */ |
3930 | if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { | |
3931 | alarm_timer->flags &= ~ALARM_FLAG_EXPIRED; | |
3932 | qemu_rearm_alarm_timer(alarm_timer); | |
3933 | } | |
3934 | ||
357c692c | 3935 | /* vm time timers */ |
d6dc3d42 AL |
3936 | if (vm_running) { |
3937 | if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) | |
0fdddf80 JK |
3938 | qemu_run_timers(&active_timers[QEMU_CLOCK_VIRTUAL], |
3939 | qemu_get_clock(vm_clock)); | |
d6dc3d42 | 3940 | } |
357c692c AL |
3941 | |
3942 | /* real time timers */ | |
0fdddf80 | 3943 | qemu_run_timers(&active_timers[QEMU_CLOCK_REALTIME], |
357c692c AL |
3944 | qemu_get_clock(rt_clock)); |
3945 | ||
21d5d12b JK |
3946 | qemu_run_timers(&active_timers[QEMU_CLOCK_HOST], |
3947 | qemu_get_clock(host_clock)); | |
3948 | ||
423f0742 PB |
3949 | /* Check bottom-halves last in case any of the earlier events triggered |
3950 | them. */ | |
3951 | qemu_bh_poll(); | |
3b46e624 | 3952 | |
5905b2e5 FB |
3953 | } |
3954 | ||
43b96858 | 3955 | static int qemu_cpu_exec(CPUState *env) |
5905b2e5 | 3956 | { |
43b96858 | 3957 | int ret; |
89bfc105 FB |
3958 | #ifdef CONFIG_PROFILER |
3959 | int64_t ti; | |
3960 | #endif | |
5905b2e5 | 3961 | |
89bfc105 | 3962 | #ifdef CONFIG_PROFILER |
43b96858 | 3963 | ti = profile_getclock(); |
89bfc105 | 3964 | #endif |
43b96858 AL |
3965 | if (use_icount) { |
3966 | int64_t count; | |
3967 | int decr; | |
3968 | qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); | |
3969 | env->icount_decr.u16.low = 0; | |
3970 | env->icount_extra = 0; | |
3971 | count = qemu_next_deadline(); | |
3972 | count = (count + (1 << icount_time_shift) - 1) | |
3973 | >> icount_time_shift; | |
3974 | qemu_icount += count; | |
3975 | decr = (count > 0xffff) ? 0xffff : count; | |
3976 | count -= decr; | |
3977 | env->icount_decr.u16.low = decr; | |
3978 | env->icount_extra = count; | |
3979 | } | |
3980 | ret = cpu_exec(env); | |
89bfc105 | 3981 | #ifdef CONFIG_PROFILER |
43b96858 | 3982 | qemu_time += profile_getclock() - ti; |
89bfc105 | 3983 | #endif |
43b96858 AL |
3984 | if (use_icount) { |
3985 | /* Fold pending instructions back into the | |
3986 | instruction counter, and clear the interrupt flag. */ | |
3987 | qemu_icount -= (env->icount_decr.u16.low | |
3988 | + env->icount_extra); | |
3989 | env->icount_decr.u32 = 0; | |
3990 | env->icount_extra = 0; | |
3991 | } | |
3992 | return ret; | |
3993 | } | |
3994 | ||
e6e35b1e AL |
3995 | static void tcg_cpu_exec(void) |
3996 | { | |
d6dc3d42 | 3997 | int ret = 0; |
e6e35b1e AL |
3998 | |
3999 | if (next_cpu == NULL) | |
4000 | next_cpu = first_cpu; | |
4001 | for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { | |
4002 | CPUState *env = cur_cpu = next_cpu; | |
4003 | ||
4004 | if (!vm_running) | |
4005 | break; | |
4006 | if (timer_alarm_pending) { | |
4007 | timer_alarm_pending = 0; | |
4008 | break; | |
4009 | } | |
d6dc3d42 AL |
4010 | if (cpu_can_run(env)) |
4011 | ret = qemu_cpu_exec(env); | |
e6e35b1e AL |
4012 | if (ret == EXCP_DEBUG) { |
4013 | gdb_set_stop_cpu(env); | |
4014 | debug_requested = 1; | |
4015 | break; | |
4016 | } | |
4017 | } | |
4018 | } | |
4019 | ||
43b96858 AL |
4020 | static int cpu_has_work(CPUState *env) |
4021 | { | |
d6dc3d42 AL |
4022 | if (env->stop) |
4023 | return 1; | |
4024 | if (env->stopped) | |
4025 | return 0; | |
43b96858 AL |
4026 | if (!env->halted) |
4027 | return 1; | |
4028 | if (qemu_cpu_has_work(env)) | |
4029 | return 1; | |
4030 | return 0; | |
4031 | } | |
4032 | ||
4033 | static int tcg_has_work(void) | |
4034 | { | |
4035 | CPUState *env; | |
4036 | ||
4037 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
4038 | if (cpu_has_work(env)) | |
4039 | return 1; | |
4040 | return 0; | |
4041 | } | |
4042 | ||
4043 | static int qemu_calculate_timeout(void) | |
4044 | { | |
b319820d | 4045 | #ifndef CONFIG_IOTHREAD |
43b96858 AL |
4046 | int timeout; |
4047 | ||
4048 | if (!vm_running) | |
4049 | timeout = 5000; | |
4050 | else if (tcg_has_work()) | |
4051 | timeout = 0; | |
4052 | else if (!use_icount) | |
4053 | timeout = 5000; | |
4054 | else { | |
4055 | /* XXX: use timeout computed from timers */ | |
4056 | int64_t add; | |
4057 | int64_t delta; | |
4058 | /* Advance virtual time to the next event. */ | |
4059 | if (use_icount == 1) { | |
4060 | /* When not using an adaptive execution frequency | |
4061 | we tend to get badly out of sync with real time, | |
4062 | so just delay for a reasonable amount of time. */ | |
4063 | delta = 0; | |
4064 | } else { | |
4065 | delta = cpu_get_icount() - cpu_get_clock(); | |
4066 | } | |
4067 | if (delta > 0) { | |
4068 | /* If virtual time is ahead of real time then just | |
4069 | wait for IO. */ | |
4070 | timeout = (delta / 1000000) + 1; | |
4071 | } else { | |
4072 | /* Wait for either IO to occur or the next | |
4073 | timer event. */ | |
4074 | add = qemu_next_deadline(); | |
4075 | /* We advance the timer before checking for IO. | |
4076 | Limit the amount we advance so that early IO | |
4077 | activity won't get the guest too far ahead. */ | |
4078 | if (add > 10000000) | |
4079 | add = 10000000; | |
4080 | delta += add; | |
4081 | add = (add + (1 << icount_time_shift) - 1) | |
4082 | >> icount_time_shift; | |
4083 | qemu_icount += add; | |
4084 | timeout = delta / 1000000; | |
4085 | if (timeout < 0) | |
4086 | timeout = 0; | |
4087 | } | |
4088 | } | |
4089 | ||
4090 | return timeout; | |
b319820d LC |
4091 | #else /* CONFIG_IOTHREAD */ |
4092 | return 1000; | |
4093 | #endif | |
43b96858 AL |
4094 | } |
4095 | ||
4096 | static int vm_can_run(void) | |
4097 | { | |
4098 | if (powerdown_requested) | |
4099 | return 0; | |
4100 | if (reset_requested) | |
4101 | return 0; | |
4102 | if (shutdown_requested) | |
4103 | return 0; | |
e568902a AL |
4104 | if (debug_requested) |
4105 | return 0; | |
43b96858 AL |
4106 | return 1; |
4107 | } | |
4108 | ||
d9c32310 BS |
4109 | qemu_irq qemu_system_powerdown; |
4110 | ||
43b96858 AL |
4111 | static void main_loop(void) |
4112 | { | |
6e29f5da | 4113 | int r; |
e6e35b1e | 4114 | |
d6dc3d42 AL |
4115 | #ifdef CONFIG_IOTHREAD |
4116 | qemu_system_ready = 1; | |
4117 | qemu_cond_broadcast(&qemu_system_cond); | |
4118 | #endif | |
4119 | ||
6e29f5da | 4120 | for (;;) { |
43b96858 | 4121 | do { |
e6e35b1e AL |
4122 | #ifdef CONFIG_PROFILER |
4123 | int64_t ti; | |
4124 | #endif | |
d6dc3d42 | 4125 | #ifndef CONFIG_IOTHREAD |
e6e35b1e | 4126 | tcg_cpu_exec(); |
d6dc3d42 | 4127 | #endif |
89bfc105 | 4128 | #ifdef CONFIG_PROFILER |
43b96858 | 4129 | ti = profile_getclock(); |
89bfc105 | 4130 | #endif |
43b96858 | 4131 | main_loop_wait(qemu_calculate_timeout()); |
89bfc105 | 4132 | #ifdef CONFIG_PROFILER |
43b96858 | 4133 | dev_time += profile_getclock() - ti; |
89bfc105 | 4134 | #endif |
e568902a | 4135 | } while (vm_can_run()); |
43b96858 | 4136 | |
b1a15e7e | 4137 | if (qemu_debug_requested()) { |
242cd003 | 4138 | monitor_protocol_event(QEVENT_DEBUG, NULL); |
e568902a | 4139 | vm_stop(EXCP_DEBUG); |
b1a15e7e | 4140 | } |
43b96858 | 4141 | if (qemu_shutdown_requested()) { |
242cd003 | 4142 | monitor_protocol_event(QEVENT_SHUTDOWN, NULL); |
43b96858 AL |
4143 | if (no_shutdown) { |
4144 | vm_stop(0); | |
4145 | no_shutdown = 0; | |
4146 | } else | |
4147 | break; | |
4148 | } | |
d6dc3d42 | 4149 | if (qemu_reset_requested()) { |
242cd003 | 4150 | monitor_protocol_event(QEVENT_RESET, NULL); |
d6dc3d42 | 4151 | pause_all_vcpus(); |
43b96858 | 4152 | qemu_system_reset(); |
d6dc3d42 AL |
4153 | resume_all_vcpus(); |
4154 | } | |
d9c32310 | 4155 | if (qemu_powerdown_requested()) { |
242cd003 | 4156 | monitor_protocol_event(QEVENT_POWERDOWN, NULL); |
d9c32310 BS |
4157 | qemu_irq_raise(qemu_system_powerdown); |
4158 | } | |
b1a15e7e | 4159 | if ((r = qemu_vmstop_requested())) { |
242cd003 | 4160 | monitor_protocol_event(QEVENT_STOP, NULL); |
6e29f5da | 4161 | vm_stop(r); |
b1a15e7e | 4162 | } |
b4608c04 | 4163 | } |
d6dc3d42 | 4164 | pause_all_vcpus(); |
b4608c04 FB |
4165 | } |
4166 | ||
9bd7e6d9 PB |
4167 | static void version(void) |
4168 | { | |
4a19f1ec | 4169 | printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); |
9bd7e6d9 PB |
4170 | } |
4171 | ||
15f82208 | 4172 | static void help(int exitcode) |
0824d6fc | 4173 | { |
9bd7e6d9 PB |
4174 | version(); |
4175 | printf("usage: %s [options] [disk_image]\n" | |
0824d6fc | 4176 | "\n" |
a20dd508 | 4177 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 4178 | "\n" |
5824d651 BS |
4179 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4180 | opt_help | |
4181 | #define DEFHEADING(text) stringify(text) "\n" | |
4182 | #include "qemu-options.h" | |
4183 | #undef DEF | |
4184 | #undef DEFHEADING | |
4185 | #undef GEN_DOCS | |
0824d6fc | 4186 | "\n" |
82c643ff | 4187 | "During emulation, the following keys are useful:\n" |
032a8c9e FB |
4188 | "ctrl-alt-f toggle full screen\n" |
4189 | "ctrl-alt-n switch to virtual console 'n'\n" | |
4190 | "ctrl-alt toggle mouse and keyboard grab\n" | |
82c643ff FB |
4191 | "\n" |
4192 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
4193 | , | |
0db63474 | 4194 | "qemu", |
a00bad7e | 4195 | DEFAULT_RAM_SIZE, |
7c9d8e07 | 4196 | #ifndef _WIN32 |
a00bad7e | 4197 | DEFAULT_NETWORK_SCRIPT, |
b46a8906 | 4198 | DEFAULT_NETWORK_DOWN_SCRIPT, |
7c9d8e07 | 4199 | #endif |
6e44ba7f | 4200 | DEFAULT_GDBSTUB_PORT, |
bce61846 | 4201 | "/tmp/qemu.log"); |
15f82208 | 4202 | exit(exitcode); |
0824d6fc FB |
4203 | } |
4204 | ||
cd6f1169 FB |
4205 | #define HAS_ARG 0x0001 |
4206 | ||
4207 | enum { | |
5824d651 BS |
4208 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4209 | opt_enum, | |
4210 | #define DEFHEADING(text) | |
4211 | #include "qemu-options.h" | |
4212 | #undef DEF | |
4213 | #undef DEFHEADING | |
4214 | #undef GEN_DOCS | |
cd6f1169 FB |
4215 | }; |
4216 | ||
4217 | typedef struct QEMUOption { | |
4218 | const char *name; | |
4219 | int flags; | |
4220 | int index; | |
4221 | } QEMUOption; | |
4222 | ||
dbed7e40 | 4223 | static const QEMUOption qemu_options[] = { |
cd6f1169 | 4224 | { "h", 0, QEMU_OPTION_h }, |
5824d651 BS |
4225 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4226 | { option, opt_arg, opt_enum }, | |
4227 | #define DEFHEADING(text) | |
4228 | #include "qemu-options.h" | |
4229 | #undef DEF | |
4230 | #undef DEFHEADING | |
4231 | #undef GEN_DOCS | |
cd6f1169 | 4232 | { NULL }, |
fc01f7e7 FB |
4233 | }; |
4234 | ||
1d14ffa9 | 4235 | #ifdef HAS_AUDIO |
6a36d84e | 4236 | struct soundhw soundhw[] = { |
b00052e4 | 4237 | #ifdef HAS_AUDIO_CHOICE |
4ce7ff6e | 4238 | #if defined(TARGET_I386) || defined(TARGET_MIPS) |
fd06c375 FB |
4239 | { |
4240 | "pcspk", | |
4241 | "PC speaker", | |
4242 | 0, | |
4243 | 1, | |
4244 | { .init_isa = pcspk_audio_init } | |
4245 | }, | |
4246 | #endif | |
4c9b53e3 | 4247 | |
4248 | #ifdef CONFIG_SB16 | |
6a36d84e FB |
4249 | { |
4250 | "sb16", | |
4251 | "Creative Sound Blaster 16", | |
4252 | 0, | |
4253 | 1, | |
4254 | { .init_isa = SB16_init } | |
4255 | }, | |
4c9b53e3 | 4256 | #endif |
6a36d84e | 4257 | |
cc53d26d | 4258 | #ifdef CONFIG_CS4231A |
4259 | { | |
4260 | "cs4231a", | |
4261 | "CS4231A", | |
4262 | 0, | |
4263 | 1, | |
4264 | { .init_isa = cs4231a_init } | |
4265 | }, | |
4266 | #endif | |
4267 | ||
1d14ffa9 | 4268 | #ifdef CONFIG_ADLIB |
6a36d84e FB |
4269 | { |
4270 | "adlib", | |
1d14ffa9 | 4271 | #ifdef HAS_YMF262 |
6a36d84e | 4272 | "Yamaha YMF262 (OPL3)", |
1d14ffa9 | 4273 | #else |
6a36d84e | 4274 | "Yamaha YM3812 (OPL2)", |
1d14ffa9 | 4275 | #endif |
6a36d84e FB |
4276 | 0, |
4277 | 1, | |
4278 | { .init_isa = Adlib_init } | |
4279 | }, | |
1d14ffa9 | 4280 | #endif |
6a36d84e | 4281 | |
1d14ffa9 | 4282 | #ifdef CONFIG_GUS |
6a36d84e FB |
4283 | { |
4284 | "gus", | |
4285 | "Gravis Ultrasound GF1", | |
4286 | 0, | |
4287 | 1, | |
4288 | { .init_isa = GUS_init } | |
4289 | }, | |
1d14ffa9 | 4290 | #endif |
6a36d84e | 4291 | |
4c9b53e3 | 4292 | #ifdef CONFIG_AC97 |
e5c9a13e AZ |
4293 | { |
4294 | "ac97", | |
4295 | "Intel 82801AA AC97 Audio", | |
4296 | 0, | |
4297 | 0, | |
4298 | { .init_pci = ac97_init } | |
4299 | }, | |
4c9b53e3 | 4300 | #endif |
e5c9a13e | 4301 | |
4c9b53e3 | 4302 | #ifdef CONFIG_ES1370 |
6a36d84e FB |
4303 | { |
4304 | "es1370", | |
4305 | "ENSONIQ AudioPCI ES1370", | |
4306 | 0, | |
4307 | 0, | |
4308 | { .init_pci = es1370_init } | |
4309 | }, | |
b00052e4 | 4310 | #endif |
6a36d84e | 4311 | |
4c9b53e3 | 4312 | #endif /* HAS_AUDIO_CHOICE */ |
4313 | ||
6a36d84e FB |
4314 | { NULL, NULL, 0, 0, { NULL } } |
4315 | }; | |
4316 | ||
4317 | static void select_soundhw (const char *optarg) | |
4318 | { | |
4319 | struct soundhw *c; | |
4320 | ||
4321 | if (*optarg == '?') { | |
4322 | show_valid_cards: | |
4323 | ||
4324 | printf ("Valid sound card names (comma separated):\n"); | |
4325 | for (c = soundhw; c->name; ++c) { | |
4326 | printf ("%-11s %s\n", c->name, c->descr); | |
4327 | } | |
4328 | printf ("\n-soundhw all will enable all of the above\n"); | |
1d14ffa9 FB |
4329 | exit (*optarg != '?'); |
4330 | } | |
4331 | else { | |
6a36d84e | 4332 | size_t l; |
1d14ffa9 FB |
4333 | const char *p; |
4334 | char *e; | |
4335 | int bad_card = 0; | |
4336 | ||
6a36d84e FB |
4337 | if (!strcmp (optarg, "all")) { |
4338 | for (c = soundhw; c->name; ++c) { | |
4339 | c->enabled = 1; | |
4340 | } | |
4341 | return; | |
4342 | } | |
1d14ffa9 | 4343 | |
6a36d84e | 4344 | p = optarg; |
1d14ffa9 FB |
4345 | while (*p) { |
4346 | e = strchr (p, ','); | |
4347 | l = !e ? strlen (p) : (size_t) (e - p); | |
6a36d84e FB |
4348 | |
4349 | for (c = soundhw; c->name; ++c) { | |
b3d6fb4a | 4350 | if (!strncmp (c->name, p, l) && !c->name[l]) { |
6a36d84e | 4351 | c->enabled = 1; |
1d14ffa9 FB |
4352 | break; |
4353 | } | |
4354 | } | |
6a36d84e FB |
4355 | |
4356 | if (!c->name) { | |
1d14ffa9 FB |
4357 | if (l > 80) { |
4358 | fprintf (stderr, | |
4359 | "Unknown sound card name (too big to show)\n"); | |
4360 | } | |
4361 | else { | |
4362 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
4363 | (int) l, p); | |
4364 | } | |
4365 | bad_card = 1; | |
4366 | } | |
4367 | p += l + (e != NULL); | |
4368 | } | |
4369 | ||
4370 | if (bad_card) | |
4371 | goto show_valid_cards; | |
4372 | } | |
4373 | } | |
4374 | #endif | |
4375 | ||
3893c124 | 4376 | static void select_vgahw (const char *p) |
4377 | { | |
4378 | const char *opts; | |
4379 | ||
84db615a | 4380 | default_vga = 0; |
86176759 | 4381 | vga_interface_type = VGA_NONE; |
3893c124 | 4382 | if (strstart(p, "std", &opts)) { |
86176759 | 4383 | vga_interface_type = VGA_STD; |
3893c124 | 4384 | } else if (strstart(p, "cirrus", &opts)) { |
86176759 | 4385 | vga_interface_type = VGA_CIRRUS; |
3893c124 | 4386 | } else if (strstart(p, "vmware", &opts)) { |
86176759 | 4387 | vga_interface_type = VGA_VMWARE; |
94909d9f | 4388 | } else if (strstart(p, "xenfb", &opts)) { |
86176759 | 4389 | vga_interface_type = VGA_XENFB; |
28b85ed8 | 4390 | } else if (!strstart(p, "none", &opts)) { |
3893c124 | 4391 | invalid_vga: |
4392 | fprintf(stderr, "Unknown vga type: %s\n", p); | |
4393 | exit(1); | |
4394 | } | |
cb5a7aa8 | 4395 | while (*opts) { |
4396 | const char *nextopt; | |
4397 | ||
4398 | if (strstart(opts, ",retrace=", &nextopt)) { | |
4399 | opts = nextopt; | |
4400 | if (strstart(opts, "dumb", &nextopt)) | |
4401 | vga_retrace_method = VGA_RETRACE_DUMB; | |
4402 | else if (strstart(opts, "precise", &nextopt)) | |
4403 | vga_retrace_method = VGA_RETRACE_PRECISE; | |
4404 | else goto invalid_vga; | |
4405 | } else goto invalid_vga; | |
4406 | opts = nextopt; | |
4407 | } | |
3893c124 | 4408 | } |
4409 | ||
7d4c3d53 MA |
4410 | #ifdef TARGET_I386 |
4411 | static int balloon_parse(const char *arg) | |
4412 | { | |
382f0743 | 4413 | QemuOpts *opts; |
7d4c3d53 | 4414 | |
382f0743 GH |
4415 | if (strcmp(arg, "none") == 0) { |
4416 | return 0; | |
4417 | } | |
4418 | ||
4419 | if (!strncmp(arg, "virtio", 6)) { | |
4420 | if (arg[6] == ',') { | |
4421 | /* have params -> parse them */ | |
4422 | opts = qemu_opts_parse(&qemu_device_opts, arg+7, NULL); | |
4423 | if (!opts) | |
4424 | return -1; | |
4425 | } else { | |
4426 | /* create empty opts */ | |
4427 | opts = qemu_opts_create(&qemu_device_opts, NULL, 0); | |
7d4c3d53 | 4428 | } |
382f0743 GH |
4429 | qemu_opt_set(opts, "driver", "virtio-balloon-pci"); |
4430 | return 0; | |
7d4c3d53 | 4431 | } |
382f0743 GH |
4432 | |
4433 | return -1; | |
7d4c3d53 MA |
4434 | } |
4435 | #endif | |
4436 | ||
3587d7e6 FB |
4437 | #ifdef _WIN32 |
4438 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
4439 | { | |
4440 | exit(STATUS_CONTROL_C_EXIT); | |
4441 | return TRUE; | |
4442 | } | |
4443 | #endif | |
4444 | ||
c4be29ff | 4445 | int qemu_uuid_parse(const char *str, uint8_t *uuid) |
8fcb1b90 BS |
4446 | { |
4447 | int ret; | |
4448 | ||
4449 | if(strlen(str) != 36) | |
4450 | return -1; | |
4451 | ||
4452 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
4453 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
4454 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); | |
4455 | ||
4456 | if(ret != 16) | |
4457 | return -1; | |
4458 | ||
b6f6e3d3 AL |
4459 | #ifdef TARGET_I386 |
4460 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); | |
4461 | #endif | |
4462 | ||
8fcb1b90 BS |
4463 | return 0; |
4464 | } | |
4465 | ||
5b08fc10 AL |
4466 | #ifndef _WIN32 |
4467 | ||
4468 | static void termsig_handler(int signal) | |
4469 | { | |
4470 | qemu_system_shutdown_request(); | |
4471 | } | |
4472 | ||
7c3370d4 JK |
4473 | static void sigchld_handler(int signal) |
4474 | { | |
4475 | waitpid(-1, NULL, WNOHANG); | |
4476 | } | |
4477 | ||
4478 | static void sighandler_setup(void) | |
5b08fc10 AL |
4479 | { |
4480 | struct sigaction act; | |
4481 | ||
4482 | memset(&act, 0, sizeof(act)); | |
4483 | act.sa_handler = termsig_handler; | |
4484 | sigaction(SIGINT, &act, NULL); | |
4485 | sigaction(SIGHUP, &act, NULL); | |
4486 | sigaction(SIGTERM, &act, NULL); | |
7c3370d4 JK |
4487 | |
4488 | act.sa_handler = sigchld_handler; | |
4489 | act.sa_flags = SA_NOCLDSTOP; | |
4490 | sigaction(SIGCHLD, &act, NULL); | |
5b08fc10 AL |
4491 | } |
4492 | ||
4493 | #endif | |
4494 | ||
5cea8590 PB |
4495 | #ifdef _WIN32 |
4496 | /* Look for support files in the same directory as the executable. */ | |
4497 | static char *find_datadir(const char *argv0) | |
4498 | { | |
4499 | char *p; | |
4500 | char buf[MAX_PATH]; | |
4501 | DWORD len; | |
4502 | ||
4503 | len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); | |
4504 | if (len == 0) { | |
c5947808 | 4505 | return NULL; |
5cea8590 PB |
4506 | } |
4507 | ||
4508 | buf[len] = 0; | |
4509 | p = buf + len - 1; | |
4510 | while (p != buf && *p != '\\') | |
4511 | p--; | |
4512 | *p = 0; | |
4513 | if (access(buf, R_OK) == 0) { | |
4514 | return qemu_strdup(buf); | |
4515 | } | |
4516 | return NULL; | |
4517 | } | |
4518 | #else /* !_WIN32 */ | |
4519 | ||
4520 | /* Find a likely location for support files using the location of the binary. | |
4521 | For installed binaries this will be "$bindir/../share/qemu". When | |
4522 | running from the build tree this will be "$bindir/../pc-bios". */ | |
4523 | #define SHARE_SUFFIX "/share/qemu" | |
4524 | #define BUILD_SUFFIX "/pc-bios" | |
4525 | static char *find_datadir(const char *argv0) | |
4526 | { | |
4527 | char *dir; | |
4528 | char *p = NULL; | |
4529 | char *res; | |
5cea8590 | 4530 | char buf[PATH_MAX]; |
3a41759d | 4531 | size_t max_len; |
5cea8590 PB |
4532 | |
4533 | #if defined(__linux__) | |
4534 | { | |
4535 | int len; | |
4536 | len = readlink("/proc/self/exe", buf, sizeof(buf) - 1); | |
4537 | if (len > 0) { | |
4538 | buf[len] = 0; | |
4539 | p = buf; | |
4540 | } | |
4541 | } | |
4542 | #elif defined(__FreeBSD__) | |
4543 | { | |
4544 | int len; | |
4545 | len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1); | |
4546 | if (len > 0) { | |
4547 | buf[len] = 0; | |
4548 | p = buf; | |
4549 | } | |
4550 | } | |
4551 | #endif | |
4552 | /* If we don't have any way of figuring out the actual executable | |
4553 | location then try argv[0]. */ | |
4554 | if (!p) { | |
4d224196 | 4555 | p = realpath(argv0, buf); |
5cea8590 PB |
4556 | if (!p) { |
4557 | return NULL; | |
4558 | } | |
4559 | } | |
4560 | dir = dirname(p); | |
4561 | dir = dirname(dir); | |
4562 | ||
3a41759d BS |
4563 | max_len = strlen(dir) + |
4564 | MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1; | |
4565 | res = qemu_mallocz(max_len); | |
4566 | snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX); | |
5cea8590 | 4567 | if (access(res, R_OK)) { |
3a41759d | 4568 | snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX); |
5cea8590 PB |
4569 | if (access(res, R_OK)) { |
4570 | qemu_free(res); | |
4571 | res = NULL; | |
4572 | } | |
4573 | } | |
4d224196 | 4574 | |
5cea8590 PB |
4575 | return res; |
4576 | } | |
4577 | #undef SHARE_SUFFIX | |
4578 | #undef BUILD_SUFFIX | |
4579 | #endif | |
4580 | ||
4581 | char *qemu_find_file(int type, const char *name) | |
4582 | { | |
4583 | int len; | |
4584 | const char *subdir; | |
4585 | char *buf; | |
4586 | ||
4587 | /* If name contains path separators then try it as a straight path. */ | |
4588 | if ((strchr(name, '/') || strchr(name, '\\')) | |
4589 | && access(name, R_OK) == 0) { | |
73ffc805 | 4590 | return qemu_strdup(name); |
5cea8590 PB |
4591 | } |
4592 | switch (type) { | |
4593 | case QEMU_FILE_TYPE_BIOS: | |
4594 | subdir = ""; | |
4595 | break; | |
4596 | case QEMU_FILE_TYPE_KEYMAP: | |
4597 | subdir = "keymaps/"; | |
4598 | break; | |
4599 | default: | |
4600 | abort(); | |
4601 | } | |
4602 | len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2; | |
4603 | buf = qemu_mallocz(len); | |
3a41759d | 4604 | snprintf(buf, len, "%s/%s%s", data_dir, subdir, name); |
5cea8590 PB |
4605 | if (access(buf, R_OK)) { |
4606 | qemu_free(buf); | |
4607 | return NULL; | |
4608 | } | |
4609 | return buf; | |
4610 | } | |
4611 | ||
f31d07d1 GH |
4612 | static int device_init_func(QemuOpts *opts, void *opaque) |
4613 | { | |
4614 | DeviceState *dev; | |
4615 | ||
4616 | dev = qdev_device_add(opts); | |
4617 | if (!dev) | |
4618 | return -1; | |
4619 | return 0; | |
4620 | } | |
4621 | ||
d1d6963e GH |
4622 | static int chardev_init_func(QemuOpts *opts, void *opaque) |
4623 | { | |
4624 | CharDriverState *chr; | |
4625 | ||
4626 | chr = qemu_chr_open_opts(opts, NULL); | |
4627 | if (!chr) | |
4628 | return -1; | |
4629 | return 0; | |
4630 | } | |
4631 | ||
bd3c948d GH |
4632 | struct device_config { |
4633 | enum { | |
bd3c948d GH |
4634 | DEV_USB, /* -usbdevice */ |
4635 | DEV_BT, /* -bt */ | |
96639424 | 4636 | DEV_SERIAL, /* -serial */ |
4986fd41 | 4637 | DEV_PARALLEL, /* -parallel */ |
a20600b9 | 4638 | DEV_MONITOR, /* -monitor */ |
bd3c948d GH |
4639 | } type; |
4640 | const char *cmdline; | |
72cf2d4f | 4641 | QTAILQ_ENTRY(device_config) next; |
bd3c948d | 4642 | }; |
72cf2d4f | 4643 | QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs); |
bd3c948d GH |
4644 | |
4645 | static void add_device_config(int type, const char *cmdline) | |
4646 | { | |
4647 | struct device_config *conf; | |
4648 | ||
4649 | conf = qemu_mallocz(sizeof(*conf)); | |
4650 | conf->type = type; | |
4651 | conf->cmdline = cmdline; | |
72cf2d4f | 4652 | QTAILQ_INSERT_TAIL(&device_configs, conf, next); |
bd3c948d GH |
4653 | } |
4654 | ||
4655 | static int foreach_device_config(int type, int (*func)(const char *cmdline)) | |
4656 | { | |
4657 | struct device_config *conf; | |
4658 | int rc; | |
4659 | ||
72cf2d4f | 4660 | QTAILQ_FOREACH(conf, &device_configs, next) { |
bd3c948d GH |
4661 | if (conf->type != type) |
4662 | continue; | |
4663 | rc = func(conf->cmdline); | |
4664 | if (0 != rc) | |
4665 | return rc; | |
4666 | } | |
4667 | return 0; | |
4668 | } | |
4669 | ||
96639424 GH |
4670 | static int serial_parse(const char *devname) |
4671 | { | |
4672 | static int index = 0; | |
4673 | char label[32]; | |
4674 | ||
4675 | if (strcmp(devname, "none") == 0) | |
4676 | return 0; | |
4677 | if (index == MAX_SERIAL_PORTS) { | |
4678 | fprintf(stderr, "qemu: too many serial ports\n"); | |
4679 | exit(1); | |
4680 | } | |
4681 | snprintf(label, sizeof(label), "serial%d", index); | |
4682 | serial_hds[index] = qemu_chr_open(label, devname, NULL); | |
4683 | if (!serial_hds[index]) { | |
4684 | fprintf(stderr, "qemu: could not open serial device '%s': %s\n", | |
4685 | devname, strerror(errno)); | |
4686 | return -1; | |
4687 | } | |
4688 | index++; | |
4689 | return 0; | |
4690 | } | |
4691 | ||
4986fd41 GH |
4692 | static int parallel_parse(const char *devname) |
4693 | { | |
4694 | static int index = 0; | |
4695 | char label[32]; | |
4696 | ||
4697 | if (strcmp(devname, "none") == 0) | |
4698 | return 0; | |
4699 | if (index == MAX_PARALLEL_PORTS) { | |
4700 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
4701 | exit(1); | |
4702 | } | |
4703 | snprintf(label, sizeof(label), "parallel%d", index); | |
4704 | parallel_hds[index] = qemu_chr_open(label, devname, NULL); | |
4705 | if (!parallel_hds[index]) { | |
4706 | fprintf(stderr, "qemu: could not open parallel device '%s': %s\n", | |
4707 | devname, strerror(errno)); | |
4708 | return -1; | |
4709 | } | |
4710 | index++; | |
4711 | return 0; | |
4712 | } | |
4713 | ||
a20600b9 GH |
4714 | static int monitor_parse(const char *devname) |
4715 | { | |
4716 | static int index = 0; | |
4717 | char label[32]; | |
4718 | ||
4719 | if (strcmp(devname, "none") == 0) | |
4720 | return 0; | |
4721 | if (index == MAX_MONITOR_DEVICES) { | |
4722 | fprintf(stderr, "qemu: too many monitor devices\n"); | |
4723 | exit(1); | |
4724 | } | |
4725 | if (index == 0) { | |
4726 | snprintf(label, sizeof(label), "monitor"); | |
4727 | } else { | |
4728 | snprintf(label, sizeof(label), "monitor%d", index); | |
4729 | } | |
4730 | monitor_hds[index] = qemu_chr_open(label, devname, NULL); | |
4731 | if (!monitor_hds[index]) { | |
4732 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", | |
4733 | devname); | |
4734 | return -1; | |
4735 | } | |
4736 | index++; | |
4737 | return 0; | |
4738 | } | |
4739 | ||
902b3d5c | 4740 | int main(int argc, char **argv, char **envp) |
0824d6fc | 4741 | { |
59030a8c | 4742 | const char *gdbstub_dev = NULL; |
28c5af54 | 4743 | uint32_t boot_devices_bitmap = 0; |
e4bcb14c | 4744 | int i; |
28c5af54 | 4745 | int snapshot, linux_boot, net_boot; |
7f7f9873 | 4746 | const char *initrd_filename; |
a20dd508 | 4747 | const char *kernel_filename, *kernel_cmdline; |
195325a4 | 4748 | char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */ |
3023f332 | 4749 | DisplayState *ds; |
7d957bd8 | 4750 | DisplayChangeListener *dcl; |
46d4767d | 4751 | int cyls, heads, secs, translation; |
f31d07d1 | 4752 | QemuOpts *hda_opts = NULL, *opts; |
cd6f1169 FB |
4753 | int optind; |
4754 | const char *r, *optarg; | |
9ede2fde AL |
4755 | const char *virtio_consoles[MAX_VIRTIO_CONSOLES]; |
4756 | int virtio_console_index; | |
d63d307f | 4757 | const char *loadvm = NULL; |
cc1daa40 | 4758 | QEMUMachine *machine; |
94fc95cd | 4759 | const char *cpu_model; |
b9e82a59 | 4760 | #ifndef _WIN32 |
71e3ceb8 | 4761 | int fds[2]; |
b9e82a59 | 4762 | #endif |
26a5f13b | 4763 | int tb_size; |
93815bc2 | 4764 | const char *pid_file = NULL; |
5bb7910a | 4765 | const char *incoming = NULL; |
b9e82a59 | 4766 | #ifndef _WIN32 |
54042bcf AL |
4767 | int fd = 0; |
4768 | struct passwd *pwd = NULL; | |
0858532e AL |
4769 | const char *chroot_dir = NULL; |
4770 | const char *run_as = NULL; | |
b9e82a59 | 4771 | #endif |
268a362c | 4772 | CPUState *env; |
993fbfdb | 4773 | int show_vnc_port = 0; |
0bd48850 | 4774 | |
6875204c JK |
4775 | init_clocks(); |
4776 | ||
ac7531ec | 4777 | qemu_errors_to_file(stderr); |
902b3d5c | 4778 | qemu_cache_utils_init(envp); |
4779 | ||
72cf2d4f | 4780 | QLIST_INIT (&vm_change_state_head); |
be995c27 FB |
4781 | #ifndef _WIN32 |
4782 | { | |
4783 | struct sigaction act; | |
4784 | sigfillset(&act.sa_mask); | |
4785 | act.sa_flags = 0; | |
4786 | act.sa_handler = SIG_IGN; | |
4787 | sigaction(SIGPIPE, &act, NULL); | |
4788 | } | |
3587d7e6 FB |
4789 | #else |
4790 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
a8e5ac33 FB |
4791 | /* Note: cpu_interrupt() is currently not SMP safe, so we force |
4792 | QEMU to run on a single CPU */ | |
4793 | { | |
4794 | HANDLE h; | |
4795 | DWORD mask, smask; | |
4796 | int i; | |
4797 | h = GetCurrentProcess(); | |
4798 | if (GetProcessAffinityMask(h, &mask, &smask)) { | |
4799 | for(i = 0; i < 32; i++) { | |
4800 | if (mask & (1 << i)) | |
4801 | break; | |
4802 | } | |
4803 | if (i != 32) { | |
4804 | mask = 1 << i; | |
4805 | SetProcessAffinityMask(h, mask); | |
4806 | } | |
4807 | } | |
4808 | } | |
67b915a5 | 4809 | #endif |
be995c27 | 4810 | |
f80f9ec9 | 4811 | module_call_init(MODULE_INIT_MACHINE); |
0c257437 | 4812 | machine = find_default_machine(); |
94fc95cd | 4813 | cpu_model = NULL; |
fc01f7e7 | 4814 | initrd_filename = NULL; |
4fc5d071 | 4815 | ram_size = 0; |
33e3963e | 4816 | snapshot = 0; |
a20dd508 FB |
4817 | kernel_filename = NULL; |
4818 | kernel_cmdline = ""; | |
c4b1fcc0 | 4819 | cyls = heads = secs = 0; |
46d4767d | 4820 | translation = BIOS_ATA_TRANSLATION_AUTO; |
c4b1fcc0 | 4821 | |
1b8fc811 | 4822 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) |
9ede2fde AL |
4823 | virtio_consoles[i] = NULL; |
4824 | virtio_console_index = 0; | |
4825 | ||
268a362c AL |
4826 | for (i = 0; i < MAX_NODES; i++) { |
4827 | node_mem[i] = 0; | |
4828 | node_cpumask[i] = 0; | |
4829 | } | |
4830 | ||
268a362c | 4831 | nb_numa_nodes = 0; |
7c9d8e07 | 4832 | nb_nics = 0; |
3b46e624 | 4833 | |
26a5f13b | 4834 | tb_size = 0; |
41bd639b BS |
4835 | autostart= 1; |
4836 | ||
cd6f1169 | 4837 | optind = 1; |
0824d6fc | 4838 | for(;;) { |
cd6f1169 | 4839 | if (optind >= argc) |
0824d6fc | 4840 | break; |
cd6f1169 FB |
4841 | r = argv[optind]; |
4842 | if (r[0] != '-') { | |
9dfd7c7a | 4843 | hda_opts = drive_add(argv[optind++], HD_ALIAS, 0); |
cd6f1169 FB |
4844 | } else { |
4845 | const QEMUOption *popt; | |
4846 | ||
4847 | optind++; | |
dff5efc8 PB |
4848 | /* Treat --foo the same as -foo. */ |
4849 | if (r[1] == '-') | |
4850 | r++; | |
cd6f1169 FB |
4851 | popt = qemu_options; |
4852 | for(;;) { | |
4853 | if (!popt->name) { | |
5fafdf24 | 4854 | fprintf(stderr, "%s: invalid option -- '%s'\n", |
cd6f1169 FB |
4855 | argv[0], r); |
4856 | exit(1); | |
4857 | } | |
4858 | if (!strcmp(popt->name, r + 1)) | |
4859 | break; | |
4860 | popt++; | |
4861 | } | |
4862 | if (popt->flags & HAS_ARG) { | |
4863 | if (optind >= argc) { | |
4864 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
4865 | argv[0], r); | |
4866 | exit(1); | |
4867 | } | |
4868 | optarg = argv[optind++]; | |
4869 | } else { | |
4870 | optarg = NULL; | |
4871 | } | |
4872 | ||
4873 | switch(popt->index) { | |
cc1daa40 FB |
4874 | case QEMU_OPTION_M: |
4875 | machine = find_machine(optarg); | |
4876 | if (!machine) { | |
4877 | QEMUMachine *m; | |
4878 | printf("Supported machines are:\n"); | |
4879 | for(m = first_machine; m != NULL; m = m->next) { | |
3f6599e6 MM |
4880 | if (m->alias) |
4881 | printf("%-10s %s (alias of %s)\n", | |
4882 | m->alias, m->desc, m->name); | |
cc1daa40 | 4883 | printf("%-10s %s%s\n", |
5fafdf24 | 4884 | m->name, m->desc, |
0c257437 | 4885 | m->is_default ? " (default)" : ""); |
cc1daa40 | 4886 | } |
15f82208 | 4887 | exit(*optarg != '?'); |
cc1daa40 FB |
4888 | } |
4889 | break; | |
94fc95cd JM |
4890 | case QEMU_OPTION_cpu: |
4891 | /* hw initialization will check this */ | |
15f82208 | 4892 | if (*optarg == '?') { |
c732abe2 JM |
4893 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
4894 | #if defined(cpu_list) | |
4895 | cpu_list(stdout, &fprintf); | |
94fc95cd | 4896 | #endif |
15f82208 | 4897 | exit(0); |
94fc95cd JM |
4898 | } else { |
4899 | cpu_model = optarg; | |
4900 | } | |
4901 | break; | |
cd6f1169 | 4902 | case QEMU_OPTION_initrd: |
fc01f7e7 FB |
4903 | initrd_filename = optarg; |
4904 | break; | |
cd6f1169 | 4905 | case QEMU_OPTION_hda: |
e4bcb14c | 4906 | if (cyls == 0) |
9dfd7c7a | 4907 | hda_opts = drive_add(optarg, HD_ALIAS, 0); |
e4bcb14c | 4908 | else |
9dfd7c7a | 4909 | hda_opts = drive_add(optarg, HD_ALIAS |
e4bcb14c | 4910 | ",cyls=%d,heads=%d,secs=%d%s", |
609497ab | 4911 | 0, cyls, heads, secs, |
e4bcb14c TS |
4912 | translation == BIOS_ATA_TRANSLATION_LBA ? |
4913 | ",trans=lba" : | |
4914 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
4915 | ",trans=none" : ""); | |
4916 | break; | |
cd6f1169 | 4917 | case QEMU_OPTION_hdb: |
cc1daa40 FB |
4918 | case QEMU_OPTION_hdc: |
4919 | case QEMU_OPTION_hdd: | |
609497ab | 4920 | drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
fc01f7e7 | 4921 | break; |
e4bcb14c | 4922 | case QEMU_OPTION_drive: |
609497ab | 4923 | drive_add(NULL, "%s", optarg); |
e4bcb14c | 4924 | break; |
d058fe03 GH |
4925 | case QEMU_OPTION_set: |
4926 | if (qemu_set_option(optarg) != 0) | |
4927 | exit(1); | |
4928 | break; | |
f49d2561 GH |
4929 | case QEMU_OPTION_global: |
4930 | if (qemu_global_option(optarg) != 0) | |
4931 | exit(1); | |
4932 | break; | |
3e3d5815 | 4933 | case QEMU_OPTION_mtdblock: |
609497ab | 4934 | drive_add(optarg, MTD_ALIAS); |
3e3d5815 | 4935 | break; |
a1bb27b1 | 4936 | case QEMU_OPTION_sd: |
609497ab | 4937 | drive_add(optarg, SD_ALIAS); |
a1bb27b1 | 4938 | break; |
86f55663 | 4939 | case QEMU_OPTION_pflash: |
609497ab | 4940 | drive_add(optarg, PFLASH_ALIAS); |
86f55663 | 4941 | break; |
cd6f1169 | 4942 | case QEMU_OPTION_snapshot: |
33e3963e FB |
4943 | snapshot = 1; |
4944 | break; | |
cd6f1169 | 4945 | case QEMU_OPTION_hdachs: |
330d0414 | 4946 | { |
330d0414 FB |
4947 | const char *p; |
4948 | p = optarg; | |
4949 | cyls = strtol(p, (char **)&p, 0); | |
46d4767d FB |
4950 | if (cyls < 1 || cyls > 16383) |
4951 | goto chs_fail; | |
330d0414 FB |
4952 | if (*p != ',') |
4953 | goto chs_fail; | |
4954 | p++; | |
4955 | heads = strtol(p, (char **)&p, 0); | |
46d4767d FB |
4956 | if (heads < 1 || heads > 16) |
4957 | goto chs_fail; | |
330d0414 FB |
4958 | if (*p != ',') |
4959 | goto chs_fail; | |
4960 | p++; | |
4961 | secs = strtol(p, (char **)&p, 0); | |
46d4767d FB |
4962 | if (secs < 1 || secs > 63) |
4963 | goto chs_fail; | |
4964 | if (*p == ',') { | |
4965 | p++; | |
4966 | if (!strcmp(p, "none")) | |
4967 | translation = BIOS_ATA_TRANSLATION_NONE; | |
4968 | else if (!strcmp(p, "lba")) | |
4969 | translation = BIOS_ATA_TRANSLATION_LBA; | |
4970 | else if (!strcmp(p, "auto")) | |
4971 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
4972 | else | |
4973 | goto chs_fail; | |
4974 | } else if (*p != '\0') { | |
c4b1fcc0 | 4975 | chs_fail: |
46d4767d FB |
4976 | fprintf(stderr, "qemu: invalid physical CHS format\n"); |
4977 | exit(1); | |
c4b1fcc0 | 4978 | } |
9dfd7c7a GH |
4979 | if (hda_opts != NULL) { |
4980 | char num[16]; | |
4981 | snprintf(num, sizeof(num), "%d", cyls); | |
4982 | qemu_opt_set(hda_opts, "cyls", num); | |
4983 | snprintf(num, sizeof(num), "%d", heads); | |
4984 | qemu_opt_set(hda_opts, "heads", num); | |
4985 | snprintf(num, sizeof(num), "%d", secs); | |
4986 | qemu_opt_set(hda_opts, "secs", num); | |
4987 | if (translation == BIOS_ATA_TRANSLATION_LBA) | |
4988 | qemu_opt_set(hda_opts, "trans", "lba"); | |
4989 | if (translation == BIOS_ATA_TRANSLATION_NONE) | |
4990 | qemu_opt_set(hda_opts, "trans", "none"); | |
4991 | } | |
330d0414 FB |
4992 | } |
4993 | break; | |
268a362c AL |
4994 | case QEMU_OPTION_numa: |
4995 | if (nb_numa_nodes >= MAX_NODES) { | |
4996 | fprintf(stderr, "qemu: too many NUMA nodes\n"); | |
4997 | exit(1); | |
4998 | } | |
4999 | numa_add(optarg); | |
5000 | break; | |
cd6f1169 | 5001 | case QEMU_OPTION_nographic: |
993fbfdb | 5002 | display_type = DT_NOGRAPHIC; |
a20dd508 | 5003 | break; |
4d3b6f6e AZ |
5004 | #ifdef CONFIG_CURSES |
5005 | case QEMU_OPTION_curses: | |
993fbfdb | 5006 | display_type = DT_CURSES; |
4d3b6f6e AZ |
5007 | break; |
5008 | #endif | |
a171fe39 AZ |
5009 | case QEMU_OPTION_portrait: |
5010 | graphic_rotate = 1; | |
5011 | break; | |
cd6f1169 | 5012 | case QEMU_OPTION_kernel: |
a20dd508 FB |
5013 | kernel_filename = optarg; |
5014 | break; | |
cd6f1169 | 5015 | case QEMU_OPTION_append: |
a20dd508 | 5016 | kernel_cmdline = optarg; |
313aa567 | 5017 | break; |
cd6f1169 | 5018 | case QEMU_OPTION_cdrom: |
609497ab | 5019 | drive_add(optarg, CDROM_ALIAS); |
36b486bb | 5020 | break; |
cd6f1169 | 5021 | case QEMU_OPTION_boot: |
28c5af54 | 5022 | { |
ef3adf68 | 5023 | static const char * const params[] = { |
95387491 | 5024 | "order", "once", "menu", NULL |
ef3adf68 JK |
5025 | }; |
5026 | char buf[sizeof(boot_devices)]; | |
e0f084bf | 5027 | char *standard_boot_devices; |
ef3adf68 JK |
5028 | int legacy = 0; |
5029 | ||
5030 | if (!strchr(optarg, '=')) { | |
5031 | legacy = 1; | |
5032 | pstrcpy(buf, sizeof(buf), optarg); | |
5033 | } else if (check_params(buf, sizeof(buf), params, optarg) < 0) { | |
5034 | fprintf(stderr, | |
5035 | "qemu: unknown boot parameter '%s' in '%s'\n", | |
5036 | buf, optarg); | |
5037 | exit(1); | |
5038 | } | |
5039 | ||
5040 | if (legacy || | |
5041 | get_param_value(buf, sizeof(buf), "order", optarg)) { | |
5042 | boot_devices_bitmap = parse_bootdevices(buf); | |
5043 | pstrcpy(boot_devices, sizeof(boot_devices), buf); | |
28c5af54 | 5044 | } |
e0f084bf JK |
5045 | if (!legacy) { |
5046 | if (get_param_value(buf, sizeof(buf), | |
5047 | "once", optarg)) { | |
5048 | boot_devices_bitmap |= parse_bootdevices(buf); | |
5049 | standard_boot_devices = qemu_strdup(boot_devices); | |
5050 | pstrcpy(boot_devices, sizeof(boot_devices), buf); | |
5051 | qemu_register_reset(restore_boot_devices, | |
5052 | standard_boot_devices); | |
5053 | } | |
95387491 JK |
5054 | if (get_param_value(buf, sizeof(buf), |
5055 | "menu", optarg)) { | |
5056 | if (!strcmp(buf, "on")) { | |
5057 | boot_menu = 1; | |
5058 | } else if (!strcmp(buf, "off")) { | |
5059 | boot_menu = 0; | |
5060 | } else { | |
5061 | fprintf(stderr, | |
5062 | "qemu: invalid option value '%s'\n", | |
5063 | buf); | |
5064 | exit(1); | |
5065 | } | |
5066 | } | |
e0f084bf | 5067 | } |
36b486bb FB |
5068 | } |
5069 | break; | |
cd6f1169 | 5070 | case QEMU_OPTION_fda: |
cd6f1169 | 5071 | case QEMU_OPTION_fdb: |
609497ab | 5072 | drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
c45886db | 5073 | break; |
52ca8d6a FB |
5074 | #ifdef TARGET_I386 |
5075 | case QEMU_OPTION_no_fd_bootchk: | |
5076 | fd_bootchk = 0; | |
5077 | break; | |
5078 | #endif | |
a1ea458f MM |
5079 | case QEMU_OPTION_netdev: |
5080 | if (net_client_parse(&qemu_netdev_opts, optarg) == -1) { | |
5081 | exit(1); | |
5082 | } | |
5083 | break; | |
7c9d8e07 | 5084 | case QEMU_OPTION_net: |
7f161aae | 5085 | if (net_client_parse(&qemu_net_opts, optarg) == -1) { |
c4b1fcc0 FB |
5086 | exit(1); |
5087 | } | |
702c651c | 5088 | break; |
c7f74643 FB |
5089 | #ifdef CONFIG_SLIRP |
5090 | case QEMU_OPTION_tftp: | |
ad196a9d | 5091 | legacy_tftp_prefix = optarg; |
9bf05444 | 5092 | break; |
47d5d01a | 5093 | case QEMU_OPTION_bootp: |
ad196a9d | 5094 | legacy_bootp_filename = optarg; |
47d5d01a | 5095 | break; |
c94c8d64 | 5096 | #ifndef _WIN32 |
9d728e8c | 5097 | case QEMU_OPTION_smb: |
0752706d MA |
5098 | if (net_slirp_smb(optarg) < 0) |
5099 | exit(1); | |
9d728e8c | 5100 | break; |
c94c8d64 | 5101 | #endif |
9bf05444 | 5102 | case QEMU_OPTION_redir: |
0752706d MA |
5103 | if (net_slirp_redir(optarg) < 0) |
5104 | exit(1); | |
9bf05444 | 5105 | break; |
c7f74643 | 5106 | #endif |
dc72ac14 | 5107 | case QEMU_OPTION_bt: |
bd3c948d | 5108 | add_device_config(DEV_BT, optarg); |
dc72ac14 | 5109 | break; |
1d14ffa9 | 5110 | #ifdef HAS_AUDIO |
1d14ffa9 FB |
5111 | case QEMU_OPTION_audio_help: |
5112 | AUD_help (); | |
5113 | exit (0); | |
5114 | break; | |
5115 | case QEMU_OPTION_soundhw: | |
5116 | select_soundhw (optarg); | |
5117 | break; | |
5118 | #endif | |
cd6f1169 | 5119 | case QEMU_OPTION_h: |
15f82208 | 5120 | help(0); |
cd6f1169 | 5121 | break; |
9bd7e6d9 PB |
5122 | case QEMU_OPTION_version: |
5123 | version(); | |
5124 | exit(0); | |
5125 | break; | |
00f82b8a AJ |
5126 | case QEMU_OPTION_m: { |
5127 | uint64_t value; | |
5128 | char *ptr; | |
5129 | ||
5130 | value = strtoul(optarg, &ptr, 10); | |
5131 | switch (*ptr) { | |
5132 | case 0: case 'M': case 'm': | |
5133 | value <<= 20; | |
5134 | break; | |
5135 | case 'G': case 'g': | |
5136 | value <<= 30; | |
5137 | break; | |
5138 | default: | |
5139 | fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); | |
cd6f1169 FB |
5140 | exit(1); |
5141 | } | |
00f82b8a AJ |
5142 | |
5143 | /* On 32-bit hosts, QEMU is limited by virtual address space */ | |
4a1418e0 | 5144 | if (value > (2047 << 20) && HOST_LONG_BITS == 32) { |
00f82b8a AJ |
5145 | fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); |
5146 | exit(1); | |
5147 | } | |
c227f099 | 5148 | if (value != (uint64_t)(ram_addr_t)value) { |
00f82b8a AJ |
5149 | fprintf(stderr, "qemu: ram size too large\n"); |
5150 | exit(1); | |
5151 | } | |
5152 | ram_size = value; | |
cd6f1169 | 5153 | break; |
00f82b8a | 5154 | } |
cd6f1169 FB |
5155 | case QEMU_OPTION_d: |
5156 | { | |
5157 | int mask; | |
c7cd6a37 | 5158 | const CPULogItem *item; |
3b46e624 | 5159 | |
cd6f1169 FB |
5160 | mask = cpu_str_to_log_mask(optarg); |
5161 | if (!mask) { | |
5162 | printf("Log items (comma separated):\n"); | |
f193c797 FB |
5163 | for(item = cpu_log_items; item->mask != 0; item++) { |
5164 | printf("%-10s %s\n", item->name, item->help); | |
5165 | } | |
5166 | exit(1); | |
cd6f1169 FB |
5167 | } |
5168 | cpu_set_log(mask); | |
f193c797 | 5169 | } |
cd6f1169 | 5170 | break; |
cd6f1169 | 5171 | case QEMU_OPTION_s: |
59030a8c | 5172 | gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT; |
cd6f1169 | 5173 | break; |
59030a8c AL |
5174 | case QEMU_OPTION_gdb: |
5175 | gdbstub_dev = optarg; | |
cd6f1169 | 5176 | break; |
cd6f1169 | 5177 | case QEMU_OPTION_L: |
5cea8590 | 5178 | data_dir = optarg; |
cd6f1169 | 5179 | break; |
1192dad8 JM |
5180 | case QEMU_OPTION_bios: |
5181 | bios_name = optarg; | |
5182 | break; | |
1b530a6d AJ |
5183 | case QEMU_OPTION_singlestep: |
5184 | singlestep = 1; | |
5185 | break; | |
cd6f1169 | 5186 | case QEMU_OPTION_S: |
3c07f8e8 | 5187 | autostart = 0; |
cd6f1169 | 5188 | break; |
3d11d0eb FB |
5189 | case QEMU_OPTION_k: |
5190 | keyboard_layout = optarg; | |
5191 | break; | |
ee22c2f7 FB |
5192 | case QEMU_OPTION_localtime: |
5193 | rtc_utc = 0; | |
5194 | break; | |
3893c124 | 5195 | case QEMU_OPTION_vga: |
5196 | select_vgahw (optarg); | |
1bfe856e | 5197 | break; |
5824d651 | 5198 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) |
e9b137c2 FB |
5199 | case QEMU_OPTION_g: |
5200 | { | |
5201 | const char *p; | |
5202 | int w, h, depth; | |
5203 | p = optarg; | |
5204 | w = strtol(p, (char **)&p, 10); | |
5205 | if (w <= 0) { | |
5206 | graphic_error: | |
5207 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
5208 | exit(1); | |
5209 | } | |
5210 | if (*p != 'x') | |
5211 | goto graphic_error; | |
5212 | p++; | |
5213 | h = strtol(p, (char **)&p, 10); | |
5214 | if (h <= 0) | |
5215 | goto graphic_error; | |
5216 | if (*p == 'x') { | |
5217 | p++; | |
5218 | depth = strtol(p, (char **)&p, 10); | |
5fafdf24 | 5219 | if (depth != 8 && depth != 15 && depth != 16 && |
e9b137c2 FB |
5220 | depth != 24 && depth != 32) |
5221 | goto graphic_error; | |
5222 | } else if (*p == '\0') { | |
5223 | depth = graphic_depth; | |
5224 | } else { | |
5225 | goto graphic_error; | |
5226 | } | |
3b46e624 | 5227 | |
e9b137c2 FB |
5228 | graphic_width = w; |
5229 | graphic_height = h; | |
5230 | graphic_depth = depth; | |
5231 | } | |
5232 | break; | |
5824d651 | 5233 | #endif |
20d8a3ed TS |
5234 | case QEMU_OPTION_echr: |
5235 | { | |
5236 | char *r; | |
5237 | term_escape_char = strtol(optarg, &r, 0); | |
5238 | if (r == optarg) | |
5239 | printf("Bad argument to echr\n"); | |
5240 | break; | |
5241 | } | |
82c643ff | 5242 | case QEMU_OPTION_monitor: |
a20600b9 GH |
5243 | add_device_config(DEV_MONITOR, optarg); |
5244 | default_monitor = 0; | |
82c643ff | 5245 | break; |
191bc01b GH |
5246 | case QEMU_OPTION_chardev: |
5247 | opts = qemu_opts_parse(&qemu_chardev_opts, optarg, "backend"); | |
5248 | if (!opts) { | |
5249 | fprintf(stderr, "parse error: %s\n", optarg); | |
5250 | exit(1); | |
5251 | } | |
191bc01b | 5252 | break; |
82c643ff | 5253 | case QEMU_OPTION_serial: |
96639424 GH |
5254 | add_device_config(DEV_SERIAL, optarg); |
5255 | default_serial = 0; | |
82c643ff | 5256 | break; |
9dd986cc | 5257 | case QEMU_OPTION_watchdog: |
09aaa160 MA |
5258 | if (watchdog) { |
5259 | fprintf(stderr, | |
5260 | "qemu: only one watchdog option may be given\n"); | |
5261 | return 1; | |
5262 | } | |
5263 | watchdog = optarg; | |
9dd986cc RJ |
5264 | break; |
5265 | case QEMU_OPTION_watchdog_action: | |
5266 | if (select_watchdog_action(optarg) == -1) { | |
5267 | fprintf(stderr, "Unknown -watchdog-action parameter\n"); | |
5268 | exit(1); | |
5269 | } | |
5270 | break; | |
51ecf136 AL |
5271 | case QEMU_OPTION_virtiocon: |
5272 | if (virtio_console_index >= MAX_VIRTIO_CONSOLES) { | |
5273 | fprintf(stderr, "qemu: too many virtio consoles\n"); | |
5274 | exit(1); | |
5275 | } | |
5276 | virtio_consoles[virtio_console_index] = optarg; | |
5277 | virtio_console_index++; | |
5278 | break; | |
6508fe59 | 5279 | case QEMU_OPTION_parallel: |
4986fd41 GH |
5280 | add_device_config(DEV_PARALLEL, optarg); |
5281 | default_parallel = 0; | |
6508fe59 | 5282 | break; |
d63d307f FB |
5283 | case QEMU_OPTION_loadvm: |
5284 | loadvm = optarg; | |
5285 | break; | |
5286 | case QEMU_OPTION_full_screen: | |
5287 | full_screen = 1; | |
5288 | break; | |
667accab | 5289 | #ifdef CONFIG_SDL |
43523e93 TS |
5290 | case QEMU_OPTION_no_frame: |
5291 | no_frame = 1; | |
5292 | break; | |
3780e197 TS |
5293 | case QEMU_OPTION_alt_grab: |
5294 | alt_grab = 1; | |
5295 | break; | |
0ca9f8a4 DK |
5296 | case QEMU_OPTION_ctrl_grab: |
5297 | ctrl_grab = 1; | |
5298 | break; | |
667accab TS |
5299 | case QEMU_OPTION_no_quit: |
5300 | no_quit = 1; | |
5301 | break; | |
7d957bd8 | 5302 | case QEMU_OPTION_sdl: |
993fbfdb | 5303 | display_type = DT_SDL; |
7d957bd8 | 5304 | break; |
667accab | 5305 | #endif |
f7cce898 | 5306 | case QEMU_OPTION_pidfile: |
93815bc2 | 5307 | pid_file = optarg; |
f7cce898 | 5308 | break; |
a09db21f FB |
5309 | #ifdef TARGET_I386 |
5310 | case QEMU_OPTION_win2k_hack: | |
5311 | win2k_install_hack = 1; | |
5312 | break; | |
73822ec8 AL |
5313 | case QEMU_OPTION_rtc_td_hack: |
5314 | rtc_td_hack = 1; | |
5315 | break; | |
8a92ea2f AL |
5316 | case QEMU_OPTION_acpitable: |
5317 | if(acpi_table_add(optarg) < 0) { | |
5318 | fprintf(stderr, "Wrong acpi table provided\n"); | |
5319 | exit(1); | |
5320 | } | |
5321 | break; | |
b6f6e3d3 AL |
5322 | case QEMU_OPTION_smbios: |
5323 | if(smbios_entry_add(optarg) < 0) { | |
5324 | fprintf(stderr, "Wrong smbios provided\n"); | |
5325 | exit(1); | |
5326 | } | |
5327 | break; | |
a09db21f | 5328 | #endif |
7ba1e619 AL |
5329 | #ifdef CONFIG_KVM |
5330 | case QEMU_OPTION_enable_kvm: | |
5331 | kvm_allowed = 1; | |
7ba1e619 | 5332 | break; |
d993e026 | 5333 | #endif |
bb36d470 FB |
5334 | case QEMU_OPTION_usb: |
5335 | usb_enabled = 1; | |
5336 | break; | |
a594cfbf FB |
5337 | case QEMU_OPTION_usbdevice: |
5338 | usb_enabled = 1; | |
bd3c948d GH |
5339 | add_device_config(DEV_USB, optarg); |
5340 | break; | |
5341 | case QEMU_OPTION_device: | |
b386becf | 5342 | if (!qemu_opts_parse(&qemu_device_opts, optarg, "driver")) { |
f31d07d1 GH |
5343 | exit(1); |
5344 | } | |
a594cfbf | 5345 | break; |
6a00d601 | 5346 | case QEMU_OPTION_smp: |
dc6b1c09 | 5347 | smp_parse(optarg); |
b2097003 | 5348 | if (smp_cpus < 1) { |
6a00d601 FB |
5349 | fprintf(stderr, "Invalid number of CPUs\n"); |
5350 | exit(1); | |
5351 | } | |
6be68d7e JS |
5352 | if (max_cpus < smp_cpus) { |
5353 | fprintf(stderr, "maxcpus must be equal to or greater than " | |
5354 | "smp\n"); | |
5355 | exit(1); | |
5356 | } | |
5357 | if (max_cpus > 255) { | |
5358 | fprintf(stderr, "Unsupported number of maxcpus\n"); | |
5359 | exit(1); | |
5360 | } | |
6a00d601 | 5361 | break; |
24236869 | 5362 | case QEMU_OPTION_vnc: |
993fbfdb | 5363 | display_type = DT_VNC; |
73fc9742 | 5364 | vnc_display = optarg; |
24236869 | 5365 | break; |
5824d651 | 5366 | #ifdef TARGET_I386 |
6515b203 FB |
5367 | case QEMU_OPTION_no_acpi: |
5368 | acpi_enabled = 0; | |
5369 | break; | |
16b29ae1 AL |
5370 | case QEMU_OPTION_no_hpet: |
5371 | no_hpet = 1; | |
5372 | break; | |
7d4c3d53 MA |
5373 | case QEMU_OPTION_balloon: |
5374 | if (balloon_parse(optarg) < 0) { | |
5375 | fprintf(stderr, "Unknown -balloon argument %s\n", optarg); | |
5376 | exit(1); | |
5377 | } | |
df97b920 | 5378 | break; |
5824d651 | 5379 | #endif |
d1beab82 FB |
5380 | case QEMU_OPTION_no_reboot: |
5381 | no_reboot = 1; | |
5382 | break; | |
b2f76161 AJ |
5383 | case QEMU_OPTION_no_shutdown: |
5384 | no_shutdown = 1; | |
5385 | break; | |
9467cd46 AZ |
5386 | case QEMU_OPTION_show_cursor: |
5387 | cursor_hide = 0; | |
5388 | break; | |
8fcb1b90 BS |
5389 | case QEMU_OPTION_uuid: |
5390 | if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { | |
5391 | fprintf(stderr, "Fail to parse UUID string." | |
5392 | " Wrong format.\n"); | |
5393 | exit(1); | |
5394 | } | |
5395 | break; | |
5824d651 | 5396 | #ifndef _WIN32 |
71e3ceb8 TS |
5397 | case QEMU_OPTION_daemonize: |
5398 | daemonize = 1; | |
5399 | break; | |
5824d651 | 5400 | #endif |
9ae02555 TS |
5401 | case QEMU_OPTION_option_rom: |
5402 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
5403 | fprintf(stderr, "Too many option ROMs\n"); | |
5404 | exit(1); | |
5405 | } | |
5406 | option_rom[nb_option_roms] = optarg; | |
5407 | nb_option_roms++; | |
5408 | break; | |
5824d651 | 5409 | #if defined(TARGET_ARM) || defined(TARGET_M68K) |
8e71621f PB |
5410 | case QEMU_OPTION_semihosting: |
5411 | semihosting_enabled = 1; | |
5412 | break; | |
5824d651 | 5413 | #endif |
c35734b2 | 5414 | case QEMU_OPTION_name: |
1889465a AK |
5415 | qemu_name = qemu_strdup(optarg); |
5416 | { | |
5417 | char *p = strchr(qemu_name, ','); | |
5418 | if (p != NULL) { | |
5419 | *p++ = 0; | |
5420 | if (strncmp(p, "process=", 8)) { | |
5421 | fprintf(stderr, "Unknown subargument %s to -name", p); | |
5422 | exit(1); | |
5423 | } | |
5424 | p += 8; | |
5425 | set_proc_name(p); | |
5426 | } | |
5427 | } | |
c35734b2 | 5428 | break; |
95efd11c | 5429 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
66508601 BS |
5430 | case QEMU_OPTION_prom_env: |
5431 | if (nb_prom_envs >= MAX_PROM_ENVS) { | |
5432 | fprintf(stderr, "Too many prom variables\n"); | |
5433 | exit(1); | |
5434 | } | |
5435 | prom_envs[nb_prom_envs] = optarg; | |
5436 | nb_prom_envs++; | |
5437 | break; | |
2b8f2d41 AZ |
5438 | #endif |
5439 | #ifdef TARGET_ARM | |
5440 | case QEMU_OPTION_old_param: | |
5441 | old_param = 1; | |
05ebd537 | 5442 | break; |
66508601 | 5443 | #endif |
f3dcfada TS |
5444 | case QEMU_OPTION_clock: |
5445 | configure_alarms(optarg); | |
5446 | break; | |
7e0af5d0 | 5447 | case QEMU_OPTION_startdate: |
1ed2fc1f JK |
5448 | configure_rtc_date_offset(optarg, 1); |
5449 | break; | |
5450 | case QEMU_OPTION_rtc: | |
5451 | opts = qemu_opts_parse(&qemu_rtc_opts, optarg, NULL); | |
5452 | if (!opts) { | |
5453 | fprintf(stderr, "parse error: %s\n", optarg); | |
5454 | exit(1); | |
7e0af5d0 | 5455 | } |
1ed2fc1f | 5456 | configure_rtc(opts); |
7e0af5d0 | 5457 | break; |
26a5f13b FB |
5458 | case QEMU_OPTION_tb_size: |
5459 | tb_size = strtol(optarg, NULL, 0); | |
5460 | if (tb_size < 0) | |
5461 | tb_size = 0; | |
5462 | break; | |
2e70f6ef PB |
5463 | case QEMU_OPTION_icount: |
5464 | use_icount = 1; | |
5465 | if (strcmp(optarg, "auto") == 0) { | |
5466 | icount_time_shift = -1; | |
5467 | } else { | |
5468 | icount_time_shift = strtol(optarg, NULL, 0); | |
5469 | } | |
5470 | break; | |
5bb7910a AL |
5471 | case QEMU_OPTION_incoming: |
5472 | incoming = optarg; | |
5473 | break; | |
64de0113 GH |
5474 | case QEMU_OPTION_nodefaults: |
5475 | default_serial = 0; | |
5476 | default_parallel = 0; | |
5477 | default_monitor = 0; | |
5478 | default_vga = 0; | |
782e9e65 | 5479 | default_net = 0; |
64de0113 | 5480 | break; |
5824d651 | 5481 | #ifndef _WIN32 |
0858532e AL |
5482 | case QEMU_OPTION_chroot: |
5483 | chroot_dir = optarg; | |
5484 | break; | |
5485 | case QEMU_OPTION_runas: | |
5486 | run_as = optarg; | |
5487 | break; | |
e37630ca AL |
5488 | #endif |
5489 | #ifdef CONFIG_XEN | |
5490 | case QEMU_OPTION_xen_domid: | |
5491 | xen_domid = atoi(optarg); | |
5492 | break; | |
5493 | case QEMU_OPTION_xen_create: | |
5494 | xen_mode = XEN_CREATE; | |
5495 | break; | |
5496 | case QEMU_OPTION_xen_attach: | |
5497 | xen_mode = XEN_ATTACH; | |
5498 | break; | |
5824d651 | 5499 | #endif |
715a664a GH |
5500 | case QEMU_OPTION_readconfig: |
5501 | { | |
5502 | FILE *fp; | |
5503 | fp = fopen(optarg, "r"); | |
5504 | if (fp == NULL) { | |
5505 | fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); | |
5506 | exit(1); | |
5507 | } | |
5508 | if (qemu_config_parse(fp) != 0) { | |
5509 | exit(1); | |
5510 | } | |
5511 | fclose(fp); | |
5512 | break; | |
5513 | } | |
5514 | case QEMU_OPTION_writeconfig: | |
5515 | { | |
5516 | FILE *fp; | |
5517 | if (strcmp(optarg, "-") == 0) { | |
5518 | fp = stdout; | |
5519 | } else { | |
5520 | fp = fopen(optarg, "w"); | |
5521 | if (fp == NULL) { | |
5522 | fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); | |
5523 | exit(1); | |
5524 | } | |
5525 | } | |
5526 | qemu_config_write(fp); | |
5527 | fclose(fp); | |
5528 | break; | |
5529 | } | |
cd6f1169 | 5530 | } |
0824d6fc FB |
5531 | } |
5532 | } | |
330d0414 | 5533 | |
5cea8590 PB |
5534 | /* If no data_dir is specified then try to find it relative to the |
5535 | executable path. */ | |
5536 | if (!data_dir) { | |
5537 | data_dir = find_datadir(argv[0]); | |
5538 | } | |
5539 | /* If all else fails use the install patch specified when building. */ | |
5540 | if (!data_dir) { | |
5541 | data_dir = CONFIG_QEMU_SHAREDIR; | |
5542 | } | |
5543 | ||
6be68d7e JS |
5544 | /* |
5545 | * Default to max_cpus = smp_cpus, in case the user doesn't | |
5546 | * specify a max_cpus value. | |
5547 | */ | |
5548 | if (!max_cpus) | |
5549 | max_cpus = smp_cpus; | |
5550 | ||
3d878caa | 5551 | machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ |
b2097003 AL |
5552 | if (smp_cpus > machine->max_cpus) { |
5553 | fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " | |
5554 | "supported by machine `%s' (%d)\n", smp_cpus, machine->name, | |
5555 | machine->max_cpus); | |
5556 | exit(1); | |
5557 | } | |
5558 | ||
96639424 GH |
5559 | qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0); |
5560 | ||
993fbfdb | 5561 | if (display_type == DT_NOGRAPHIC) { |
4986fd41 GH |
5562 | if (default_parallel) |
5563 | add_device_config(DEV_PARALLEL, "null"); | |
7c6a56cc GH |
5564 | if (default_serial && default_monitor) { |
5565 | add_device_config(DEV_SERIAL, "mon:stdio"); | |
5566 | } else { | |
5567 | if (default_serial) | |
5568 | add_device_config(DEV_SERIAL, "stdio"); | |
5569 | if (default_monitor) | |
5570 | add_device_config(DEV_MONITOR, "stdio"); | |
5571 | } | |
96639424 GH |
5572 | } else { |
5573 | if (default_serial) | |
5574 | add_device_config(DEV_SERIAL, "vc:80Cx24C"); | |
4986fd41 GH |
5575 | if (default_parallel) |
5576 | add_device_config(DEV_PARALLEL, "vc:80Cx24C"); | |
a20600b9 GH |
5577 | if (default_monitor) |
5578 | add_device_config(DEV_MONITOR, "vc:80Cx24C"); | |
bc0129d9 | 5579 | } |
84db615a GH |
5580 | if (default_vga) |
5581 | vga_interface_type = VGA_CIRRUS; | |
bc0129d9 | 5582 | |
d1d6963e GH |
5583 | if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0) |
5584 | exit(1); | |
5585 | ||
71e3ceb8 | 5586 | #ifndef _WIN32 |
71e3ceb8 TS |
5587 | if (daemonize) { |
5588 | pid_t pid; | |
5589 | ||
5590 | if (pipe(fds) == -1) | |
5591 | exit(1); | |
5592 | ||
5593 | pid = fork(); | |
5594 | if (pid > 0) { | |
5595 | uint8_t status; | |
5596 | ssize_t len; | |
5597 | ||
5598 | close(fds[1]); | |
5599 | ||
5600 | again: | |
93815bc2 TS |
5601 | len = read(fds[0], &status, 1); |
5602 | if (len == -1 && (errno == EINTR)) | |
5603 | goto again; | |
5604 | ||
5605 | if (len != 1) | |
5606 | exit(1); | |
5607 | else if (status == 1) { | |
850810d0 | 5608 | fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno)); |
93815bc2 TS |
5609 | exit(1); |
5610 | } else | |
5611 | exit(0); | |
71e3ceb8 | 5612 | } else if (pid < 0) |
93815bc2 | 5613 | exit(1); |
71e3ceb8 | 5614 | |
40ff6d7e KW |
5615 | close(fds[0]); |
5616 | qemu_set_cloexec(fds[1]); | |
5617 | ||
71e3ceb8 TS |
5618 | setsid(); |
5619 | ||
5620 | pid = fork(); | |
5621 | if (pid > 0) | |
5622 | exit(0); | |
5623 | else if (pid < 0) | |
5624 | exit(1); | |
5625 | ||
5626 | umask(027); | |
71e3ceb8 TS |
5627 | |
5628 | signal(SIGTSTP, SIG_IGN); | |
5629 | signal(SIGTTOU, SIG_IGN); | |
5630 | signal(SIGTTIN, SIG_IGN); | |
5631 | } | |
71e3ceb8 | 5632 | |
aa26bb2d | 5633 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
93815bc2 TS |
5634 | if (daemonize) { |
5635 | uint8_t status = 1; | |
5636 | write(fds[1], &status, 1); | |
5637 | } else | |
850810d0 | 5638 | fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno)); |
93815bc2 TS |
5639 | exit(1); |
5640 | } | |
b9e82a59 | 5641 | #endif |
93815bc2 | 5642 | |
214910a7 MT |
5643 | if (kvm_enabled()) { |
5644 | int ret; | |
5645 | ||
5646 | ret = kvm_init(smp_cpus); | |
5647 | if (ret < 0) { | |
5648 | fprintf(stderr, "failed to initialize KVM\n"); | |
5649 | exit(1); | |
5650 | } | |
5651 | } | |
5652 | ||
3fcf7b6b AL |
5653 | if (qemu_init_main_loop()) { |
5654 | fprintf(stderr, "qemu_init_main_loop failed\n"); | |
5655 | exit(1); | |
5656 | } | |
a20dd508 | 5657 | linux_boot = (kernel_filename != NULL); |
6c41b272 | 5658 | |
f8d39c01 TS |
5659 | if (!linux_boot && *kernel_cmdline != '\0') { |
5660 | fprintf(stderr, "-append only allowed with -kernel option\n"); | |
5661 | exit(1); | |
5662 | } | |
5663 | ||
5664 | if (!linux_boot && initrd_filename != NULL) { | |
5665 | fprintf(stderr, "-initrd only allowed with -kernel option\n"); | |
5666 | exit(1); | |
5667 | } | |
5668 | ||
bf65f53f FN |
5669 | #ifndef _WIN32 |
5670 | /* Win32 doesn't support line-buffering and requires size >= 2 */ | |
b118d61e | 5671 | setvbuf(stdout, NULL, _IOLBF, 0); |
bf65f53f | 5672 | #endif |
3b46e624 | 5673 | |
7183b4b4 AL |
5674 | if (init_timer_alarm() < 0) { |
5675 | fprintf(stderr, "could not initialize alarm timer\n"); | |
5676 | exit(1); | |
5677 | } | |
2e70f6ef PB |
5678 | if (use_icount && icount_time_shift < 0) { |
5679 | use_icount = 2; | |
5680 | /* 125MIPS seems a reasonable initial guess at the guest speed. | |
5681 | It will be corrected fairly quickly anyway. */ | |
5682 | icount_time_shift = 3; | |
5683 | init_icount_adjust(); | |
5684 | } | |
634fce96 | 5685 | |
fd1dff4b FB |
5686 | #ifdef _WIN32 |
5687 | socket_init(); | |
5688 | #endif | |
5689 | ||
dc1c9fe8 MM |
5690 | if (net_init_clients() < 0) { |
5691 | exit(1); | |
702c651c | 5692 | } |
f1510b2c | 5693 | |
406c8df3 GC |
5694 | net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
5695 | net_set_boot_mask(net_boot); | |
5696 | ||
dc72ac14 | 5697 | /* init the bluetooth world */ |
bd3c948d GH |
5698 | if (foreach_device_config(DEV_BT, bt_parse)) |
5699 | exit(1); | |
dc72ac14 | 5700 | |
0824d6fc | 5701 | /* init the memory */ |
94a6b54f PB |
5702 | if (ram_size == 0) |
5703 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
9ae02555 | 5704 | |
26a5f13b FB |
5705 | /* init the dynamic translator */ |
5706 | cpu_exec_init_all(tb_size * 1024 * 1024); | |
5707 | ||
eb852011 | 5708 | bdrv_init_with_whitelist(); |
c4b1fcc0 | 5709 | |
c163b5ca | 5710 | blk_mig_init(); |
5711 | ||
e4bcb14c | 5712 | /* we always create the cdrom drive, even if no disk is there */ |
3b0ba927 | 5713 | drive_add(NULL, CDROM_ALIAS); |
c4b1fcc0 | 5714 | |
9d413d1d | 5715 | /* we always create at least one floppy */ |
3b0ba927 | 5716 | drive_add(NULL, FD_ALIAS, 0); |
86f55663 | 5717 | |
9d413d1d | 5718 | /* we always create one sd slot, even if no card is in it */ |
3b0ba927 | 5719 | drive_add(NULL, SD_ALIAS); |
9d413d1d | 5720 | |
e4bcb14c | 5721 | /* open the virtual block devices */ |
9dfd7c7a | 5722 | if (snapshot) |
7282a033 GH |
5723 | qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0); |
5724 | if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0) | |
9dfd7c7a | 5725 | exit(1); |
3e3d5815 | 5726 | |
2faf58cd | 5727 | vmstate_register(0, &vmstate_timers ,&timers_state); |
c163b5ca | 5728 | register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL, |
5729 | ram_load, NULL); | |
8a7ddc38 | 5730 | |
268a362c AL |
5731 | if (nb_numa_nodes > 0) { |
5732 | int i; | |
5733 | ||
5734 | if (nb_numa_nodes > smp_cpus) { | |
5735 | nb_numa_nodes = smp_cpus; | |
5736 | } | |
5737 | ||
5738 | /* If no memory size if given for any node, assume the default case | |
5739 | * and distribute the available memory equally across all nodes | |
5740 | */ | |
5741 | for (i = 0; i < nb_numa_nodes; i++) { | |
5742 | if (node_mem[i] != 0) | |
5743 | break; | |
5744 | } | |
5745 | if (i == nb_numa_nodes) { | |
5746 | uint64_t usedmem = 0; | |
5747 | ||
5748 | /* On Linux, the each node's border has to be 8MB aligned, | |
5749 | * the final node gets the rest. | |
5750 | */ | |
5751 | for (i = 0; i < nb_numa_nodes - 1; i++) { | |
5752 | node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); | |
5753 | usedmem += node_mem[i]; | |
5754 | } | |
5755 | node_mem[i] = ram_size - usedmem; | |
5756 | } | |
5757 | ||
5758 | for (i = 0; i < nb_numa_nodes; i++) { | |
5759 | if (node_cpumask[i] != 0) | |
5760 | break; | |
5761 | } | |
5762 | /* assigning the VCPUs round-robin is easier to implement, guest OSes | |
5763 | * must cope with this anyway, because there are BIOSes out there in | |
5764 | * real machines which also use this scheme. | |
5765 | */ | |
5766 | if (i == nb_numa_nodes) { | |
5767 | for (i = 0; i < smp_cpus; i++) { | |
5768 | node_cpumask[i % nb_numa_nodes] |= 1 << i; | |
5769 | } | |
5770 | } | |
5771 | } | |
5772 | ||
a20600b9 GH |
5773 | if (foreach_device_config(DEV_MONITOR, monitor_parse) < 0) |
5774 | exit(1); | |
96639424 GH |
5775 | if (foreach_device_config(DEV_SERIAL, serial_parse) < 0) |
5776 | exit(1); | |
4986fd41 GH |
5777 | if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0) |
5778 | exit(1); | |
2796dae0 AL |
5779 | |
5780 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) { | |
5781 | const char *devname = virtio_consoles[i]; | |
5782 | if (devname && strcmp(devname, "none")) { | |
5783 | char label[32]; | |
5784 | snprintf(label, sizeof(label), "virtcon%d", i); | |
ceecf1d1 | 5785 | virtcon_hds[i] = qemu_chr_open(label, devname, NULL); |
2796dae0 | 5786 | if (!virtcon_hds[i]) { |
850810d0 JF |
5787 | fprintf(stderr, "qemu: could not open virtio console '%s': %s\n", |
5788 | devname, strerror(errno)); | |
2796dae0 AL |
5789 | exit(1); |
5790 | } | |
5791 | } | |
5792 | } | |
5793 | ||
aae9460e PB |
5794 | module_call_init(MODULE_INIT_DEVICE); |
5795 | ||
09aaa160 MA |
5796 | if (watchdog) { |
5797 | i = select_watchdog(watchdog); | |
5798 | if (i > 0) | |
5799 | exit (i == 1 ? 1 : 0); | |
5800 | } | |
5801 | ||
b6b61144 | 5802 | if (machine->compat_props) { |
a63e5f19 | 5803 | qdev_prop_register_global_list(machine->compat_props); |
b6b61144 | 5804 | } |
f49d2561 GH |
5805 | qemu_add_globals(); |
5806 | ||
fbe1b595 | 5807 | machine->init(ram_size, boot_devices, |
3023f332 AL |
5808 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
5809 | ||
268a362c | 5810 | |
67b3b71d JQ |
5811 | #ifndef _WIN32 |
5812 | /* must be after terminal init, SDL library changes signal handlers */ | |
5813 | sighandler_setup(); | |
5814 | #endif | |
5815 | ||
268a362c AL |
5816 | for (env = first_cpu; env != NULL; env = env->next_cpu) { |
5817 | for (i = 0; i < nb_numa_nodes; i++) { | |
5818 | if (node_cpumask[i] & (1 << env->cpu_index)) { | |
5819 | env->numa_node = i; | |
5820 | } | |
5821 | } | |
5822 | } | |
5823 | ||
6f338c34 AL |
5824 | current_machine = machine; |
5825 | ||
3023f332 AL |
5826 | /* init USB devices */ |
5827 | if (usb_enabled) { | |
0752706d MA |
5828 | if (foreach_device_config(DEV_USB, usb_parse) < 0) |
5829 | exit(1); | |
3023f332 AL |
5830 | } |
5831 | ||
bd3c948d | 5832 | /* init generic devices */ |
f31d07d1 | 5833 | if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0) |
bd3c948d GH |
5834 | exit(1); |
5835 | ||
8f391ab4 AL |
5836 | if (!display_state) |
5837 | dumb_display_init(); | |
3023f332 AL |
5838 | /* just use the first displaystate for the moment */ |
5839 | ds = display_state; | |
993fbfdb AL |
5840 | |
5841 | if (display_type == DT_DEFAULT) { | |
5842 | #if defined(CONFIG_SDL) || defined(CONFIG_COCOA) | |
5843 | display_type = DT_SDL; | |
5844 | #else | |
5845 | display_type = DT_VNC; | |
5846 | vnc_display = "localhost:0,to=99"; | |
5847 | show_vnc_port = 1; | |
5848 | #endif | |
5849 | } | |
5850 | ||
5851 | ||
5852 | switch (display_type) { | |
5853 | case DT_NOGRAPHIC: | |
5854 | break; | |
4d3b6f6e | 5855 | #if defined(CONFIG_CURSES) |
993fbfdb AL |
5856 | case DT_CURSES: |
5857 | curses_display_init(ds, full_screen); | |
5858 | break; | |
4d3b6f6e | 5859 | #endif |
5b0753e0 | 5860 | #if defined(CONFIG_SDL) |
993fbfdb AL |
5861 | case DT_SDL: |
5862 | sdl_display_init(ds, full_screen, no_frame); | |
5863 | break; | |
5b0753e0 | 5864 | #elif defined(CONFIG_COCOA) |
993fbfdb AL |
5865 | case DT_SDL: |
5866 | cocoa_display_init(ds, full_screen); | |
5867 | break; | |
313aa567 | 5868 | #endif |
993fbfdb AL |
5869 | case DT_VNC: |
5870 | vnc_display_init(ds); | |
5871 | if (vnc_display_open(ds, vnc_display) < 0) | |
5872 | exit(1); | |
f92f8afe | 5873 | |
993fbfdb AL |
5874 | if (show_vnc_port) { |
5875 | printf("VNC server running on `%s'\n", vnc_display_local_addr(ds)); | |
f92f8afe | 5876 | } |
993fbfdb AL |
5877 | break; |
5878 | default: | |
5879 | break; | |
313aa567 | 5880 | } |
7d957bd8 | 5881 | dpy_resize(ds); |
5b08fc10 | 5882 | |
3023f332 AL |
5883 | dcl = ds->listeners; |
5884 | while (dcl != NULL) { | |
5885 | if (dcl->dpy_refresh != NULL) { | |
5886 | ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds); | |
5887 | qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock)); | |
20d8a3ed | 5888 | } |
3023f332 | 5889 | dcl = dcl->next; |
20d8a3ed | 5890 | } |
3023f332 | 5891 | |
993fbfdb | 5892 | if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) { |
9043b62d BS |
5893 | nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL); |
5894 | qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock)); | |
5895 | } | |
5896 | ||
2796dae0 AL |
5897 | text_consoles_set_display(display_state); |
5898 | ||
ddd9bbd9 | 5899 | for (i = 0; i < MAX_MONITOR_DEVICES; i++) { |
a20600b9 | 5900 | if (monitor_hds[i]) { |
542d991b GH |
5901 | monitor_init(monitor_hds[i], |
5902 | MONITOR_USE_READLINE | | |
5903 | ((i == 0) ? MONITOR_IS_DEFAULT : 0)); | |
ddd9bbd9 JK |
5904 | } |
5905 | } | |
82c643ff | 5906 | |
59030a8c AL |
5907 | if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { |
5908 | fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n", | |
5909 | gdbstub_dev); | |
5910 | exit(1); | |
45669e00 | 5911 | } |
45669e00 | 5912 | |
3418bd25 GH |
5913 | qdev_machine_creation_done(); |
5914 | ||
45a50b16 GH |
5915 | rom_load_all(); |
5916 | ||
504c2948 | 5917 | qemu_system_reset(); |
05f2401e JQ |
5918 | if (loadvm) { |
5919 | if (load_vmstate(cur_mon, loadvm) < 0) { | |
5920 | autostart = 0; | |
5921 | } | |
5922 | } | |
d63d307f | 5923 | |
2bb8c10c | 5924 | if (incoming) { |
5bb7910a | 5925 | qemu_start_incoming_migration(incoming); |
6b99dadc | 5926 | } else if (autostart) { |
c0f4ce77 | 5927 | vm_start(); |
6b99dadc | 5928 | } |
ffd843bc | 5929 | |
b9e82a59 | 5930 | #ifndef _WIN32 |
71e3ceb8 TS |
5931 | if (daemonize) { |
5932 | uint8_t status = 0; | |
5933 | ssize_t len; | |
71e3ceb8 TS |
5934 | |
5935 | again1: | |
5936 | len = write(fds[1], &status, 1); | |
5937 | if (len == -1 && (errno == EINTR)) | |
5938 | goto again1; | |
5939 | ||
5940 | if (len != 1) | |
5941 | exit(1); | |
5942 | ||
bd54b863 | 5943 | chdir("/"); |
40ff6d7e | 5944 | TFR(fd = qemu_open("/dev/null", O_RDWR)); |
71e3ceb8 TS |
5945 | if (fd == -1) |
5946 | exit(1); | |
0858532e | 5947 | } |
71e3ceb8 | 5948 | |
0858532e AL |
5949 | if (run_as) { |
5950 | pwd = getpwnam(run_as); | |
5951 | if (!pwd) { | |
5952 | fprintf(stderr, "User \"%s\" doesn't exist\n", run_as); | |
5953 | exit(1); | |
5954 | } | |
5955 | } | |
5956 | ||
5957 | if (chroot_dir) { | |
5958 | if (chroot(chroot_dir) < 0) { | |
5959 | fprintf(stderr, "chroot failed\n"); | |
5960 | exit(1); | |
5961 | } | |
5962 | chdir("/"); | |
5963 | } | |
5964 | ||
5965 | if (run_as) { | |
5966 | if (setgid(pwd->pw_gid) < 0) { | |
5967 | fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid); | |
5968 | exit(1); | |
5969 | } | |
5970 | if (setuid(pwd->pw_uid) < 0) { | |
5971 | fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid); | |
5972 | exit(1); | |
5973 | } | |
5974 | if (setuid(0) != -1) { | |
5975 | fprintf(stderr, "Dropping privileges failed\n"); | |
5976 | exit(1); | |
5977 | } | |
5978 | } | |
0858532e AL |
5979 | |
5980 | if (daemonize) { | |
5981 | dup2(fd, 0); | |
5982 | dup2(fd, 1); | |
5983 | dup2(fd, 2); | |
71e3ceb8 | 5984 | |
0858532e | 5985 | close(fd); |
71e3ceb8 | 5986 | } |
b9e82a59 | 5987 | #endif |
71e3ceb8 | 5988 | |
8a7ddc38 | 5989 | main_loop(); |
40c3bac3 | 5990 | quit_timers(); |
63a01ef8 | 5991 | net_cleanup(); |
b46a8906 | 5992 | |
0824d6fc FB |
5993 | return 0; |
5994 | } |