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Commit | Line | Data |
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0824d6fc | 1 | /* |
80cabfad | 2 | * QEMU System Emulator |
5fafdf24 | 3 | * |
68d0f70e | 4 | * Copyright (c) 2003-2008 Fabrice Bellard |
5fafdf24 | 5 | * |
1df912cf FB |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
0824d6fc | 23 | */ |
0824d6fc | 24 | #include <unistd.h> |
0824d6fc FB |
25 | #include <fcntl.h> |
26 | #include <signal.h> | |
27 | #include <time.h> | |
0824d6fc | 28 | #include <errno.h> |
67b915a5 | 29 | #include <sys/time.h> |
c88676f8 | 30 | #include <zlib.h> |
67b915a5 | 31 | |
71e72a19 | 32 | /* Needed early for CONFIG_BSD etc. */ |
d40cdb10 BS |
33 | #include "config-host.h" |
34 | ||
67b915a5 | 35 | #ifndef _WIN32 |
5cea8590 | 36 | #include <libgen.h> |
0858532e | 37 | #include <pwd.h> |
67b915a5 | 38 | #include <sys/times.h> |
f1510b2c | 39 | #include <sys/wait.h> |
67b915a5 | 40 | #include <termios.h> |
67b915a5 | 41 | #include <sys/mman.h> |
f1510b2c | 42 | #include <sys/ioctl.h> |
24646c7e | 43 | #include <sys/resource.h> |
f1510b2c | 44 | #include <sys/socket.h> |
c94c8d64 | 45 | #include <netinet/in.h> |
24646c7e BS |
46 | #include <net/if.h> |
47 | #if defined(__NetBSD__) | |
48 | #include <net/if_tap.h> | |
49 | #endif | |
50 | #ifdef __linux__ | |
51 | #include <linux/if_tun.h> | |
52 | #endif | |
53 | #include <arpa/inet.h> | |
9d728e8c | 54 | #include <dirent.h> |
7c9d8e07 | 55 | #include <netdb.h> |
cb4b976b | 56 | #include <sys/select.h> |
71e72a19 | 57 | #ifdef CONFIG_BSD |
7d3505c5 | 58 | #include <sys/stat.h> |
c5e97233 | 59 | #if defined(__FreeBSD__) || defined(__DragonFly__) |
7d3505c5 | 60 | #include <libutil.h> |
24646c7e BS |
61 | #else |
62 | #include <util.h> | |
128ab2ff | 63 | #endif |
5c40d2bd TS |
64 | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) |
65 | #include <freebsd/stdlib.h> | |
7d3505c5 | 66 | #else |
223f0d72 | 67 | #ifdef __linux__ |
7d3505c5 FB |
68 | #include <pty.h> |
69 | #include <malloc.h> | |
fd872598 | 70 | #include <linux/rtc.h> |
1889465a | 71 | #include <sys/prctl.h> |
bd494f4c TS |
72 | |
73 | /* For the benefit of older linux systems which don't supply it, | |
74 | we use a local copy of hpet.h. */ | |
75 | /* #include <linux/hpet.h> */ | |
76 | #include "hpet.h" | |
77 | ||
e57a8c0e | 78 | #include <linux/ppdev.h> |
5867c88a | 79 | #include <linux/parport.h> |
223f0d72 BS |
80 | #endif |
81 | #ifdef __sun__ | |
d5d10bc3 TS |
82 | #include <sys/stat.h> |
83 | #include <sys/ethernet.h> | |
84 | #include <sys/sockio.h> | |
d5d10bc3 TS |
85 | #include <netinet/arp.h> |
86 | #include <netinet/in.h> | |
87 | #include <netinet/in_systm.h> | |
88 | #include <netinet/ip.h> | |
89 | #include <netinet/ip_icmp.h> // must come after ip.h | |
90 | #include <netinet/udp.h> | |
91 | #include <netinet/tcp.h> | |
92 | #include <net/if.h> | |
93 | #include <syslog.h> | |
94 | #include <stropts.h> | |
8d32cf0e BS |
95 | /* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for |
96 | discussion about Solaris header problems */ | |
97 | extern int madvise(caddr_t, size_t, int); | |
67b915a5 | 98 | #endif |
7d3505c5 | 99 | #endif |
ec530c81 | 100 | #endif |
67b915a5 | 101 | |
9892fbfb BS |
102 | #if defined(__OpenBSD__) |
103 | #include <util.h> | |
104 | #endif | |
105 | ||
8a16d273 TS |
106 | #if defined(CONFIG_VDE) |
107 | #include <libvdeplug.h> | |
108 | #endif | |
109 | ||
67b915a5 | 110 | #ifdef _WIN32 |
49dc768d | 111 | #include <windows.h> |
4fddf62a | 112 | #include <mmsystem.h> |
67b915a5 FB |
113 | #endif |
114 | ||
73332e5c | 115 | #ifdef CONFIG_SDL |
59a36a2f | 116 | #if defined(__APPLE__) || defined(main) |
6693665a | 117 | #include <SDL.h> |
880fec5d | 118 | int qemu_main(int argc, char **argv, char **envp); |
119 | int main(int argc, char **argv) | |
120 | { | |
59a36a2f | 121 | return qemu_main(argc, argv, NULL); |
880fec5d | 122 | } |
123 | #undef main | |
124 | #define main qemu_main | |
96bcd4f8 | 125 | #endif |
73332e5c | 126 | #endif /* CONFIG_SDL */ |
0824d6fc | 127 | |
5b0753e0 FB |
128 | #ifdef CONFIG_COCOA |
129 | #undef main | |
130 | #define main qemu_main | |
131 | #endif /* CONFIG_COCOA */ | |
132 | ||
511d2b14 BS |
133 | #include "hw/hw.h" |
134 | #include "hw/boards.h" | |
135 | #include "hw/usb.h" | |
136 | #include "hw/pcmcia.h" | |
137 | #include "hw/pc.h" | |
138 | #include "hw/audiodev.h" | |
139 | #include "hw/isa.h" | |
140 | #include "hw/baum.h" | |
141 | #include "hw/bt.h" | |
9dd986cc | 142 | #include "hw/watchdog.h" |
b6f6e3d3 | 143 | #include "hw/smbios.h" |
e37630ca | 144 | #include "hw/xen.h" |
bd3c948d | 145 | #include "hw/qdev.h" |
5ef4efa4 | 146 | #include "bt-host.h" |
511d2b14 BS |
147 | #include "net.h" |
148 | #include "monitor.h" | |
149 | #include "console.h" | |
150 | #include "sysemu.h" | |
151 | #include "gdbstub.h" | |
152 | #include "qemu-timer.h" | |
153 | #include "qemu-char.h" | |
154 | #include "cache-utils.h" | |
155 | #include "block.h" | |
a718acec | 156 | #include "dma.h" |
511d2b14 BS |
157 | #include "audio/audio.h" |
158 | #include "migration.h" | |
159 | #include "kvm.h" | |
160 | #include "balloon.h" | |
d3f24367 | 161 | #include "qemu-option.h" |
7282a033 | 162 | #include "qemu-config.h" |
511d2b14 | 163 | |
0824d6fc | 164 | #include "disas.h" |
fc01f7e7 | 165 | |
8a7ddc38 | 166 | #include "exec-all.h" |
0824d6fc | 167 | |
511d2b14 BS |
168 | #include "qemu_socket.h" |
169 | ||
d918f23e | 170 | #include "slirp/libslirp.h" |
511d2b14 | 171 | |
72cf2d4f BS |
172 | #include "qemu-queue.h" |
173 | ||
9dc63a1e BS |
174 | //#define DEBUG_NET |
175 | //#define DEBUG_SLIRP | |
330d0414 | 176 | |
1bfe856e | 177 | #define DEFAULT_RAM_SIZE 128 |
313aa567 | 178 | |
ddd9bbd9 JK |
179 | /* Maximum number of monitor devices */ |
180 | #define MAX_MONITOR_DEVICES 10 | |
181 | ||
5cea8590 | 182 | static const char *data_dir; |
1192dad8 | 183 | const char *bios_name = NULL; |
e4bcb14c | 184 | /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available |
faea38e7 | 185 | to store the VM snapshots */ |
72cf2d4f BS |
186 | struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives); |
187 | struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts); | |
cb5a7aa8 | 188 | enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; |
3023f332 | 189 | static DisplayState *display_state; |
993fbfdb | 190 | DisplayType display_type = DT_DEFAULT; |
3d11d0eb | 191 | const char* keyboard_layout = NULL; |
c227f099 | 192 | ram_addr_t ram_size; |
c4b1fcc0 | 193 | int nb_nics; |
7c9d8e07 | 194 | NICInfo nd_table[MAX_NICS]; |
8a7ddc38 | 195 | int vm_running; |
d399f677 | 196 | int autostart; |
f6503059 AZ |
197 | static int rtc_utc = 1; |
198 | static int rtc_date_offset = -1; /* -1 means no change */ | |
6875204c | 199 | QEMUClock *rtc_clock; |
86176759 | 200 | int vga_interface_type = VGA_CIRRUS; |
d827220b FB |
201 | #ifdef TARGET_SPARC |
202 | int graphic_width = 1024; | |
203 | int graphic_height = 768; | |
eee0b836 | 204 | int graphic_depth = 8; |
d827220b | 205 | #else |
1bfe856e FB |
206 | int graphic_width = 800; |
207 | int graphic_height = 600; | |
e9b137c2 | 208 | int graphic_depth = 15; |
eee0b836 | 209 | #endif |
dbed7e40 | 210 | static int full_screen = 0; |
634a21f6 | 211 | #ifdef CONFIG_SDL |
dbed7e40 | 212 | static int no_frame = 0; |
634a21f6 | 213 | #endif |
667accab | 214 | int no_quit = 0; |
8d11df9e | 215 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
6508fe59 | 216 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
9ede2fde | 217 | CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; |
a09db21f FB |
218 | #ifdef TARGET_I386 |
219 | int win2k_install_hack = 0; | |
73822ec8 | 220 | int rtc_td_hack = 0; |
a09db21f | 221 | #endif |
bb36d470 | 222 | int usb_enabled = 0; |
1b530a6d | 223 | int singlestep = 0; |
6a00d601 | 224 | int smp_cpus = 1; |
6be68d7e | 225 | int max_cpus = 0; |
dc6b1c09 AP |
226 | int smp_cores = 1; |
227 | int smp_threads = 1; | |
73fc9742 | 228 | const char *vnc_display; |
6515b203 | 229 | int acpi_enabled = 1; |
16b29ae1 | 230 | int no_hpet = 0; |
52ca8d6a | 231 | int fd_bootchk = 1; |
d1beab82 | 232 | int no_reboot = 0; |
b2f76161 | 233 | int no_shutdown = 0; |
9467cd46 | 234 | int cursor_hide = 1; |
a171fe39 | 235 | int graphic_rotate = 0; |
6b35e7bf | 236 | uint8_t irq0override = 1; |
b9e82a59 | 237 | #ifndef _WIN32 |
71e3ceb8 | 238 | int daemonize = 0; |
b9e82a59 | 239 | #endif |
09aaa160 | 240 | const char *watchdog; |
9ae02555 TS |
241 | const char *option_rom[MAX_OPTION_ROMS]; |
242 | int nb_option_roms; | |
8e71621f | 243 | int semihosting_enabled = 0; |
2b8f2d41 AZ |
244 | #ifdef TARGET_ARM |
245 | int old_param = 0; | |
246 | #endif | |
c35734b2 | 247 | const char *qemu_name; |
3780e197 | 248 | int alt_grab = 0; |
95efd11c | 249 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
66508601 BS |
250 | unsigned int nb_prom_envs = 0; |
251 | const char *prom_envs[MAX_PROM_ENVS]; | |
252 | #endif | |
95387491 | 253 | int boot_menu; |
0824d6fc | 254 | |
268a362c AL |
255 | int nb_numa_nodes; |
256 | uint64_t node_mem[MAX_NODES]; | |
257 | uint64_t node_cpumask[MAX_NODES]; | |
258 | ||
ee5605e5 AZ |
259 | static CPUState *cur_cpu; |
260 | static CPUState *next_cpu; | |
43b96858 | 261 | static int timer_alarm_pending = 1; |
bf20dc07 | 262 | /* Conversion factor from emulated instructions to virtual clock ticks. */ |
2e70f6ef | 263 | static int icount_time_shift; |
bf20dc07 | 264 | /* Arbitrarily pick 1MIPS as the minimum allowable speed. */ |
2e70f6ef PB |
265 | #define MAX_ICOUNT_SHIFT 10 |
266 | /* Compensate for varying guest execution speed. */ | |
267 | static int64_t qemu_icount_bias; | |
dbed7e40 BS |
268 | static QEMUTimer *icount_rt_timer; |
269 | static QEMUTimer *icount_vm_timer; | |
9043b62d | 270 | static QEMUTimer *nographic_timer; |
ee5605e5 | 271 | |
8fcb1b90 BS |
272 | uint8_t qemu_uuid[16]; |
273 | ||
76e30d0f JK |
274 | static QEMUBootSetHandler *boot_set_handler; |
275 | static void *boot_set_opaque; | |
276 | ||
0824d6fc | 277 | /***********************************************************/ |
26aa7d72 FB |
278 | /* x86 ISA bus support */ |
279 | ||
c227f099 | 280 | target_phys_addr_t isa_mem_base = 0; |
3de388f6 | 281 | PicState2 *isa_pic; |
0824d6fc | 282 | |
0824d6fc | 283 | /***********************************************************/ |
0824d6fc FB |
284 | void hw_error(const char *fmt, ...) |
285 | { | |
286 | va_list ap; | |
6a00d601 | 287 | CPUState *env; |
0824d6fc FB |
288 | |
289 | va_start(ap, fmt); | |
290 | fprintf(stderr, "qemu: hardware error: "); | |
291 | vfprintf(stderr, fmt, ap); | |
292 | fprintf(stderr, "\n"); | |
6a00d601 FB |
293 | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
294 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
0824d6fc | 295 | #ifdef TARGET_I386 |
6a00d601 | 296 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
c45886db | 297 | #else |
6a00d601 | 298 | cpu_dump_state(env, stderr, fprintf, 0); |
0824d6fc | 299 | #endif |
6a00d601 | 300 | } |
0824d6fc FB |
301 | va_end(ap); |
302 | abort(); | |
303 | } | |
1889465a AK |
304 | |
305 | static void set_proc_name(const char *s) | |
306 | { | |
6ca8d0fd | 307 | #if defined(__linux__) && defined(PR_SET_NAME) |
1889465a AK |
308 | char name[16]; |
309 | if (!s) | |
310 | return; | |
311 | name[sizeof(name) - 1] = 0; | |
312 | strncpy(name, s, sizeof(name)); | |
313 | /* Could rewrite argv[0] too, but that's a bit more complicated. | |
314 | This simple way is enough for `top'. */ | |
315 | prctl(PR_SET_NAME, name); | |
316 | #endif | |
317 | } | |
df751fa8 AL |
318 | |
319 | /***************/ | |
320 | /* ballooning */ | |
321 | ||
322 | static QEMUBalloonEvent *qemu_balloon_event; | |
323 | void *qemu_balloon_event_opaque; | |
324 | ||
325 | void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) | |
326 | { | |
327 | qemu_balloon_event = func; | |
328 | qemu_balloon_event_opaque = opaque; | |
329 | } | |
330 | ||
c227f099 | 331 | void qemu_balloon(ram_addr_t target) |
df751fa8 AL |
332 | { |
333 | if (qemu_balloon_event) | |
334 | qemu_balloon_event(qemu_balloon_event_opaque, target); | |
335 | } | |
336 | ||
c227f099 | 337 | ram_addr_t qemu_balloon_status(void) |
df751fa8 AL |
338 | { |
339 | if (qemu_balloon_event) | |
340 | return qemu_balloon_event(qemu_balloon_event_opaque, 0); | |
341 | return 0; | |
342 | } | |
0824d6fc | 343 | |
63066f4f FB |
344 | /***********************************************************/ |
345 | /* keyboard/mouse */ | |
346 | ||
347 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
348 | static void *qemu_put_kbd_event_opaque; | |
455204eb TS |
349 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; |
350 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; | |
63066f4f FB |
351 | |
352 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
353 | { | |
354 | qemu_put_kbd_event_opaque = opaque; | |
355 | qemu_put_kbd_event = func; | |
356 | } | |
357 | ||
455204eb TS |
358 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, |
359 | void *opaque, int absolute, | |
360 | const char *name) | |
63066f4f | 361 | { |
455204eb TS |
362 | QEMUPutMouseEntry *s, *cursor; |
363 | ||
364 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); | |
455204eb TS |
365 | |
366 | s->qemu_put_mouse_event = func; | |
367 | s->qemu_put_mouse_event_opaque = opaque; | |
368 | s->qemu_put_mouse_event_absolute = absolute; | |
369 | s->qemu_put_mouse_event_name = qemu_strdup(name); | |
370 | s->next = NULL; | |
371 | ||
372 | if (!qemu_put_mouse_event_head) { | |
373 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; | |
374 | return s; | |
375 | } | |
376 | ||
377 | cursor = qemu_put_mouse_event_head; | |
378 | while (cursor->next != NULL) | |
379 | cursor = cursor->next; | |
380 | ||
381 | cursor->next = s; | |
382 | qemu_put_mouse_event_current = s; | |
383 | ||
384 | return s; | |
385 | } | |
386 | ||
387 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) | |
388 | { | |
389 | QEMUPutMouseEntry *prev = NULL, *cursor; | |
390 | ||
391 | if (!qemu_put_mouse_event_head || entry == NULL) | |
392 | return; | |
393 | ||
394 | cursor = qemu_put_mouse_event_head; | |
395 | while (cursor != NULL && cursor != entry) { | |
396 | prev = cursor; | |
397 | cursor = cursor->next; | |
398 | } | |
399 | ||
400 | if (cursor == NULL) // does not exist or list empty | |
401 | return; | |
402 | else if (prev == NULL) { // entry is head | |
403 | qemu_put_mouse_event_head = cursor->next; | |
404 | if (qemu_put_mouse_event_current == entry) | |
405 | qemu_put_mouse_event_current = cursor->next; | |
406 | qemu_free(entry->qemu_put_mouse_event_name); | |
407 | qemu_free(entry); | |
408 | return; | |
409 | } | |
410 | ||
411 | prev->next = entry->next; | |
412 | ||
413 | if (qemu_put_mouse_event_current == entry) | |
414 | qemu_put_mouse_event_current = prev; | |
415 | ||
416 | qemu_free(entry->qemu_put_mouse_event_name); | |
417 | qemu_free(entry); | |
63066f4f FB |
418 | } |
419 | ||
420 | void kbd_put_keycode(int keycode) | |
421 | { | |
422 | if (qemu_put_kbd_event) { | |
423 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
424 | } | |
425 | } | |
426 | ||
427 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
428 | { | |
455204eb TS |
429 | QEMUPutMouseEvent *mouse_event; |
430 | void *mouse_event_opaque; | |
a171fe39 | 431 | int width; |
455204eb TS |
432 | |
433 | if (!qemu_put_mouse_event_current) { | |
434 | return; | |
435 | } | |
436 | ||
437 | mouse_event = | |
438 | qemu_put_mouse_event_current->qemu_put_mouse_event; | |
439 | mouse_event_opaque = | |
440 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; | |
441 | ||
442 | if (mouse_event) { | |
a171fe39 AZ |
443 | if (graphic_rotate) { |
444 | if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) | |
445 | width = 0x7fff; | |
446 | else | |
b94ed577 | 447 | width = graphic_width - 1; |
a171fe39 AZ |
448 | mouse_event(mouse_event_opaque, |
449 | width - dy, dx, dz, buttons_state); | |
450 | } else | |
451 | mouse_event(mouse_event_opaque, | |
452 | dx, dy, dz, buttons_state); | |
63066f4f FB |
453 | } |
454 | } | |
455 | ||
09b26c5e FB |
456 | int kbd_mouse_is_absolute(void) |
457 | { | |
455204eb TS |
458 | if (!qemu_put_mouse_event_current) |
459 | return 0; | |
460 | ||
461 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; | |
462 | } | |
463 | ||
376253ec | 464 | void do_info_mice(Monitor *mon) |
455204eb TS |
465 | { |
466 | QEMUPutMouseEntry *cursor; | |
467 | int index = 0; | |
468 | ||
469 | if (!qemu_put_mouse_event_head) { | |
376253ec | 470 | monitor_printf(mon, "No mouse devices connected\n"); |
455204eb TS |
471 | return; |
472 | } | |
473 | ||
376253ec | 474 | monitor_printf(mon, "Mouse devices available:\n"); |
455204eb TS |
475 | cursor = qemu_put_mouse_event_head; |
476 | while (cursor != NULL) { | |
376253ec AL |
477 | monitor_printf(mon, "%c Mouse #%d: %s\n", |
478 | (cursor == qemu_put_mouse_event_current ? '*' : ' '), | |
479 | index, cursor->qemu_put_mouse_event_name); | |
455204eb TS |
480 | index++; |
481 | cursor = cursor->next; | |
482 | } | |
483 | } | |
484 | ||
d54908a5 | 485 | void do_mouse_set(Monitor *mon, const QDict *qdict) |
455204eb TS |
486 | { |
487 | QEMUPutMouseEntry *cursor; | |
488 | int i = 0; | |
d54908a5 | 489 | int index = qdict_get_int(qdict, "index"); |
455204eb TS |
490 | |
491 | if (!qemu_put_mouse_event_head) { | |
376253ec | 492 | monitor_printf(mon, "No mouse devices connected\n"); |
455204eb TS |
493 | return; |
494 | } | |
495 | ||
496 | cursor = qemu_put_mouse_event_head; | |
497 | while (cursor != NULL && index != i) { | |
498 | i++; | |
499 | cursor = cursor->next; | |
500 | } | |
501 | ||
502 | if (cursor != NULL) | |
503 | qemu_put_mouse_event_current = cursor; | |
504 | else | |
376253ec | 505 | monitor_printf(mon, "Mouse at given index not found\n"); |
09b26c5e FB |
506 | } |
507 | ||
1dce7c3c FB |
508 | /* compute with 96 bit intermediate result: (a*b)/c */ |
509 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
0824d6fc | 510 | { |
1dce7c3c FB |
511 | union { |
512 | uint64_t ll; | |
513 | struct { | |
e2542fe2 | 514 | #ifdef HOST_WORDS_BIGENDIAN |
1dce7c3c FB |
515 | uint32_t high, low; |
516 | #else | |
517 | uint32_t low, high; | |
3b46e624 | 518 | #endif |
1dce7c3c FB |
519 | } l; |
520 | } u, res; | |
521 | uint64_t rl, rh; | |
0824d6fc | 522 | |
1dce7c3c FB |
523 | u.ll = a; |
524 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
525 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
526 | rh += (rl >> 32); | |
527 | res.l.high = rh / c; | |
528 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
529 | return res.ll; | |
34865134 FB |
530 | } |
531 | ||
1dce7c3c FB |
532 | /***********************************************************/ |
533 | /* real time host monotonic timer */ | |
34865134 | 534 | |
21d5d12b JK |
535 | static int64_t get_clock_realtime(void) |
536 | { | |
537 | struct timeval tv; | |
538 | ||
539 | gettimeofday(&tv, NULL); | |
540 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); | |
541 | } | |
542 | ||
1dce7c3c | 543 | #ifdef WIN32 |
0824d6fc | 544 | |
1dce7c3c | 545 | static int64_t clock_freq; |
1115dde7 | 546 | |
1dce7c3c | 547 | static void init_get_clock(void) |
1115dde7 | 548 | { |
a8e5ac33 FB |
549 | LARGE_INTEGER freq; |
550 | int ret; | |
1dce7c3c FB |
551 | ret = QueryPerformanceFrequency(&freq); |
552 | if (ret == 0) { | |
553 | fprintf(stderr, "Could not calibrate ticks\n"); | |
554 | exit(1); | |
555 | } | |
556 | clock_freq = freq.QuadPart; | |
1115dde7 FB |
557 | } |
558 | ||
1dce7c3c | 559 | static int64_t get_clock(void) |
b8076a74 | 560 | { |
1dce7c3c FB |
561 | LARGE_INTEGER ti; |
562 | QueryPerformanceCounter(&ti); | |
274dfed8 | 563 | return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq); |
b8076a74 FB |
564 | } |
565 | ||
1dce7c3c | 566 | #else |
90cb9493 | 567 | |
1dce7c3c FB |
568 | static int use_rt_clock; |
569 | ||
570 | static void init_get_clock(void) | |
90cb9493 | 571 | { |
1dce7c3c | 572 | use_rt_clock = 0; |
c5e97233 BS |
573 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
574 | || defined(__DragonFly__) | |
1dce7c3c FB |
575 | { |
576 | struct timespec ts; | |
577 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { | |
578 | use_rt_clock = 1; | |
579 | } | |
580 | } | |
581 | #endif | |
90cb9493 FB |
582 | } |
583 | ||
1dce7c3c | 584 | static int64_t get_clock(void) |
fdbb4691 | 585 | { |
c5e97233 BS |
586 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
587 | || defined(__DragonFly__) | |
1dce7c3c FB |
588 | if (use_rt_clock) { |
589 | struct timespec ts; | |
590 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
591 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; | |
5fafdf24 | 592 | } else |
fdbb4691 | 593 | #endif |
1dce7c3c FB |
594 | { |
595 | /* XXX: using gettimeofday leads to problems if the date | |
596 | changes, so it should be avoided. */ | |
21d5d12b | 597 | return get_clock_realtime(); |
1dce7c3c | 598 | } |
fdbb4691 | 599 | } |
34865134 FB |
600 | #endif |
601 | ||
2e70f6ef PB |
602 | /* Return the virtual CPU time, based on the instruction counter. */ |
603 | static int64_t cpu_get_icount(void) | |
604 | { | |
605 | int64_t icount; | |
606 | CPUState *env = cpu_single_env;; | |
607 | icount = qemu_icount; | |
608 | if (env) { | |
609 | if (!can_do_io(env)) | |
610 | fprintf(stderr, "Bad clock read\n"); | |
611 | icount -= (env->icount_decr.u16.low + env->icount_extra); | |
612 | } | |
613 | return qemu_icount_bias + (icount << icount_time_shift); | |
614 | } | |
615 | ||
1dce7c3c FB |
616 | /***********************************************************/ |
617 | /* guest cycle counter */ | |
618 | ||
6f68e33e JQ |
619 | typedef struct TimersState { |
620 | int64_t cpu_ticks_prev; | |
621 | int64_t cpu_ticks_offset; | |
622 | int64_t cpu_clock_offset; | |
623 | int32_t cpu_ticks_enabled; | |
274dfed8 | 624 | int64_t dummy; |
6f68e33e JQ |
625 | } TimersState; |
626 | ||
627 | TimersState timers_state; | |
34865134 | 628 | |
1dce7c3c FB |
629 | /* return the host CPU cycle counter and handle stop/restart */ |
630 | int64_t cpu_get_ticks(void) | |
34865134 | 631 | { |
2e70f6ef PB |
632 | if (use_icount) { |
633 | return cpu_get_icount(); | |
634 | } | |
6f68e33e JQ |
635 | if (!timers_state.cpu_ticks_enabled) { |
636 | return timers_state.cpu_ticks_offset; | |
8a7ddc38 | 637 | } else { |
eade0f19 FB |
638 | int64_t ticks; |
639 | ticks = cpu_get_real_ticks(); | |
6f68e33e | 640 | if (timers_state.cpu_ticks_prev > ticks) { |
eade0f19 FB |
641 | /* Note: non increasing ticks may happen if the host uses |
642 | software suspend */ | |
6f68e33e | 643 | timers_state.cpu_ticks_offset += timers_state.cpu_ticks_prev - ticks; |
eade0f19 | 644 | } |
6f68e33e JQ |
645 | timers_state.cpu_ticks_prev = ticks; |
646 | return ticks + timers_state.cpu_ticks_offset; | |
8a7ddc38 | 647 | } |
34865134 FB |
648 | } |
649 | ||
1dce7c3c FB |
650 | /* return the host CPU monotonic timer and handle stop/restart */ |
651 | static int64_t cpu_get_clock(void) | |
652 | { | |
653 | int64_t ti; | |
6f68e33e JQ |
654 | if (!timers_state.cpu_ticks_enabled) { |
655 | return timers_state.cpu_clock_offset; | |
1dce7c3c FB |
656 | } else { |
657 | ti = get_clock(); | |
6f68e33e | 658 | return ti + timers_state.cpu_clock_offset; |
1dce7c3c FB |
659 | } |
660 | } | |
661 | ||
34865134 FB |
662 | /* enable cpu_get_ticks() */ |
663 | void cpu_enable_ticks(void) | |
664 | { | |
6f68e33e JQ |
665 | if (!timers_state.cpu_ticks_enabled) { |
666 | timers_state.cpu_ticks_offset -= cpu_get_real_ticks(); | |
667 | timers_state.cpu_clock_offset -= get_clock(); | |
668 | timers_state.cpu_ticks_enabled = 1; | |
8a7ddc38 | 669 | } |
34865134 FB |
670 | } |
671 | ||
672 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
673 | cpu_get_ticks() after that. */ | |
674 | void cpu_disable_ticks(void) | |
675 | { | |
6f68e33e JQ |
676 | if (timers_state.cpu_ticks_enabled) { |
677 | timers_state.cpu_ticks_offset = cpu_get_ticks(); | |
678 | timers_state.cpu_clock_offset = cpu_get_clock(); | |
679 | timers_state.cpu_ticks_enabled = 0; | |
8a7ddc38 | 680 | } |
34865134 FB |
681 | } |
682 | ||
1dce7c3c FB |
683 | /***********************************************************/ |
684 | /* timers */ | |
5fafdf24 | 685 | |
0fdddf80 JK |
686 | #define QEMU_CLOCK_REALTIME 0 |
687 | #define QEMU_CLOCK_VIRTUAL 1 | |
21d5d12b | 688 | #define QEMU_CLOCK_HOST 2 |
8a7ddc38 FB |
689 | |
690 | struct QEMUClock { | |
691 | int type; | |
692 | /* XXX: add frequency */ | |
693 | }; | |
694 | ||
695 | struct QEMUTimer { | |
696 | QEMUClock *clock; | |
697 | int64_t expire_time; | |
698 | QEMUTimerCB *cb; | |
699 | void *opaque; | |
700 | struct QEMUTimer *next; | |
701 | }; | |
702 | ||
c8994013 TS |
703 | struct qemu_alarm_timer { |
704 | char const *name; | |
efe75411 | 705 | unsigned int flags; |
c8994013 TS |
706 | |
707 | int (*start)(struct qemu_alarm_timer *t); | |
708 | void (*stop)(struct qemu_alarm_timer *t); | |
efe75411 | 709 | void (*rearm)(struct qemu_alarm_timer *t); |
c8994013 TS |
710 | void *priv; |
711 | }; | |
712 | ||
efe75411 | 713 | #define ALARM_FLAG_DYNTICKS 0x1 |
d5d08334 | 714 | #define ALARM_FLAG_EXPIRED 0x2 |
efe75411 TS |
715 | |
716 | static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) | |
717 | { | |
e332340a | 718 | return t && (t->flags & ALARM_FLAG_DYNTICKS); |
efe75411 TS |
719 | } |
720 | ||
721 | static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) | |
722 | { | |
723 | if (!alarm_has_dynticks(t)) | |
724 | return; | |
725 | ||
726 | t->rearm(t); | |
727 | } | |
728 | ||
729 | /* TODO: MIN_TIMER_REARM_US should be optimized */ | |
730 | #define MIN_TIMER_REARM_US 250 | |
731 | ||
c8994013 | 732 | static struct qemu_alarm_timer *alarm_timer; |
8a7ddc38 | 733 | |
40c3bac3 | 734 | #ifdef _WIN32 |
c8994013 TS |
735 | |
736 | struct qemu_alarm_win32 { | |
737 | MMRESULT timerId; | |
c8994013 | 738 | unsigned int period; |
ef28c4b0 | 739 | } alarm_win32_data = {0, -1}; |
c8994013 TS |
740 | |
741 | static int win32_start_timer(struct qemu_alarm_timer *t); | |
742 | static void win32_stop_timer(struct qemu_alarm_timer *t); | |
efe75411 | 743 | static void win32_rearm_timer(struct qemu_alarm_timer *t); |
c8994013 | 744 | |
40c3bac3 | 745 | #else |
c8994013 TS |
746 | |
747 | static int unix_start_timer(struct qemu_alarm_timer *t); | |
748 | static void unix_stop_timer(struct qemu_alarm_timer *t); | |
749 | ||
231c6586 TS |
750 | #ifdef __linux__ |
751 | ||
efe75411 TS |
752 | static int dynticks_start_timer(struct qemu_alarm_timer *t); |
753 | static void dynticks_stop_timer(struct qemu_alarm_timer *t); | |
754 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t); | |
755 | ||
c40ec5a9 TS |
756 | static int hpet_start_timer(struct qemu_alarm_timer *t); |
757 | static void hpet_stop_timer(struct qemu_alarm_timer *t); | |
758 | ||
c8994013 TS |
759 | static int rtc_start_timer(struct qemu_alarm_timer *t); |
760 | static void rtc_stop_timer(struct qemu_alarm_timer *t); | |
761 | ||
efe75411 | 762 | #endif /* __linux__ */ |
8a7ddc38 | 763 | |
c8994013 TS |
764 | #endif /* _WIN32 */ |
765 | ||
2e70f6ef | 766 | /* Correlation between real and virtual time is always going to be |
bf20dc07 | 767 | fairly approximate, so ignore small variation. |
2e70f6ef PB |
768 | When the guest is idle real and virtual time will be aligned in |
769 | the IO wait loop. */ | |
274dfed8 | 770 | #define ICOUNT_WOBBLE (get_ticks_per_sec() / 10) |
2e70f6ef PB |
771 | |
772 | static void icount_adjust(void) | |
773 | { | |
774 | int64_t cur_time; | |
775 | int64_t cur_icount; | |
776 | int64_t delta; | |
777 | static int64_t last_delta; | |
778 | /* If the VM is not running, then do nothing. */ | |
779 | if (!vm_running) | |
780 | return; | |
781 | ||
782 | cur_time = cpu_get_clock(); | |
783 | cur_icount = qemu_get_clock(vm_clock); | |
784 | delta = cur_icount - cur_time; | |
785 | /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ | |
786 | if (delta > 0 | |
787 | && last_delta + ICOUNT_WOBBLE < delta * 2 | |
788 | && icount_time_shift > 0) { | |
789 | /* The guest is getting too far ahead. Slow time down. */ | |
790 | icount_time_shift--; | |
791 | } | |
792 | if (delta < 0 | |
793 | && last_delta - ICOUNT_WOBBLE > delta * 2 | |
794 | && icount_time_shift < MAX_ICOUNT_SHIFT) { | |
795 | /* The guest is getting too far behind. Speed time up. */ | |
796 | icount_time_shift++; | |
797 | } | |
798 | last_delta = delta; | |
799 | qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); | |
800 | } | |
801 | ||
802 | static void icount_adjust_rt(void * opaque) | |
803 | { | |
804 | qemu_mod_timer(icount_rt_timer, | |
805 | qemu_get_clock(rt_clock) + 1000); | |
806 | icount_adjust(); | |
807 | } | |
808 | ||
809 | static void icount_adjust_vm(void * opaque) | |
810 | { | |
811 | qemu_mod_timer(icount_vm_timer, | |
274dfed8 | 812 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
2e70f6ef PB |
813 | icount_adjust(); |
814 | } | |
815 | ||
816 | static void init_icount_adjust(void) | |
817 | { | |
818 | /* Have both realtime and virtual time triggers for speed adjustment. | |
819 | The realtime trigger catches emulated time passing too slowly, | |
820 | the virtual time trigger catches emulated time passing too fast. | |
821 | Realtime triggers occur even when idle, so use them less frequently | |
822 | than VM triggers. */ | |
823 | icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); | |
824 | qemu_mod_timer(icount_rt_timer, | |
825 | qemu_get_clock(rt_clock) + 1000); | |
826 | icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); | |
827 | qemu_mod_timer(icount_vm_timer, | |
274dfed8 | 828 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
2e70f6ef PB |
829 | } |
830 | ||
c8994013 | 831 | static struct qemu_alarm_timer alarm_timers[] = { |
efe75411 | 832 | #ifndef _WIN32 |
231c6586 | 833 | #ifdef __linux__ |
efe75411 TS |
834 | {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, |
835 | dynticks_stop_timer, dynticks_rearm_timer, NULL}, | |
c40ec5a9 | 836 | /* HPET - if available - is preferred */ |
efe75411 | 837 | {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, |
c40ec5a9 | 838 | /* ...otherwise try RTC */ |
efe75411 | 839 | {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, |
c8994013 | 840 | #endif |
efe75411 | 841 | {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, |
c8994013 | 842 | #else |
efe75411 TS |
843 | {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, |
844 | win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, | |
845 | {"win32", 0, win32_start_timer, | |
846 | win32_stop_timer, NULL, &alarm_win32_data}, | |
c8994013 TS |
847 | #endif |
848 | {NULL, } | |
849 | }; | |
850 | ||
3f47aa8c | 851 | static void show_available_alarms(void) |
f3dcfada TS |
852 | { |
853 | int i; | |
854 | ||
855 | printf("Available alarm timers, in order of precedence:\n"); | |
856 | for (i = 0; alarm_timers[i].name; i++) | |
857 | printf("%s\n", alarm_timers[i].name); | |
858 | } | |
859 | ||
860 | static void configure_alarms(char const *opt) | |
861 | { | |
862 | int i; | |
863 | int cur = 0; | |
b1503cda | 864 | int count = ARRAY_SIZE(alarm_timers) - 1; |
f3dcfada TS |
865 | char *arg; |
866 | char *name; | |
2e70f6ef | 867 | struct qemu_alarm_timer tmp; |
f3dcfada | 868 | |
3adda04c | 869 | if (!strcmp(opt, "?")) { |
f3dcfada TS |
870 | show_available_alarms(); |
871 | exit(0); | |
872 | } | |
873 | ||
73ffc805 | 874 | arg = qemu_strdup(opt); |
f3dcfada TS |
875 | |
876 | /* Reorder the array */ | |
877 | name = strtok(arg, ","); | |
878 | while (name) { | |
e2b577e5 | 879 | for (i = 0; i < count && alarm_timers[i].name; i++) { |
f3dcfada TS |
880 | if (!strcmp(alarm_timers[i].name, name)) |
881 | break; | |
882 | } | |
883 | ||
884 | if (i == count) { | |
885 | fprintf(stderr, "Unknown clock %s\n", name); | |
886 | goto next; | |
887 | } | |
888 | ||
889 | if (i < cur) | |
890 | /* Ignore */ | |
891 | goto next; | |
892 | ||
893 | /* Swap */ | |
894 | tmp = alarm_timers[i]; | |
895 | alarm_timers[i] = alarm_timers[cur]; | |
896 | alarm_timers[cur] = tmp; | |
897 | ||
898 | cur++; | |
899 | next: | |
900 | name = strtok(NULL, ","); | |
901 | } | |
902 | ||
73ffc805 | 903 | qemu_free(arg); |
f3dcfada TS |
904 | |
905 | if (cur) { | |
2e70f6ef | 906 | /* Disable remaining timers */ |
f3dcfada TS |
907 | for (i = cur; i < count; i++) |
908 | alarm_timers[i].name = NULL; | |
3adda04c AJ |
909 | } else { |
910 | show_available_alarms(); | |
911 | exit(1); | |
f3dcfada | 912 | } |
f3dcfada TS |
913 | } |
914 | ||
21d5d12b JK |
915 | #define QEMU_NUM_CLOCKS 3 |
916 | ||
c8994013 TS |
917 | QEMUClock *rt_clock; |
918 | QEMUClock *vm_clock; | |
21d5d12b | 919 | QEMUClock *host_clock; |
c8994013 | 920 | |
21d5d12b | 921 | static QEMUTimer *active_timers[QEMU_NUM_CLOCKS]; |
c8994013 | 922 | |
9596ebb7 | 923 | static QEMUClock *qemu_new_clock(int type) |
8a7ddc38 FB |
924 | { |
925 | QEMUClock *clock; | |
926 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
8a7ddc38 FB |
927 | clock->type = type; |
928 | return clock; | |
929 | } | |
930 | ||
931 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
932 | { | |
933 | QEMUTimer *ts; | |
934 | ||
935 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
936 | ts->clock = clock; | |
937 | ts->cb = cb; | |
938 | ts->opaque = opaque; | |
939 | return ts; | |
940 | } | |
941 | ||
942 | void qemu_free_timer(QEMUTimer *ts) | |
943 | { | |
944 | qemu_free(ts); | |
945 | } | |
946 | ||
947 | /* stop a timer, but do not dealloc it */ | |
948 | void qemu_del_timer(QEMUTimer *ts) | |
949 | { | |
950 | QEMUTimer **pt, *t; | |
951 | ||
952 | /* NOTE: this code must be signal safe because | |
953 | qemu_timer_expired() can be called from a signal. */ | |
954 | pt = &active_timers[ts->clock->type]; | |
955 | for(;;) { | |
956 | t = *pt; | |
957 | if (!t) | |
958 | break; | |
959 | if (t == ts) { | |
960 | *pt = t->next; | |
961 | break; | |
962 | } | |
963 | pt = &t->next; | |
964 | } | |
965 | } | |
966 | ||
967 | /* modify the current timer so that it will be fired when current_time | |
968 | >= expire_time. The corresponding callback will be called. */ | |
969 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
970 | { | |
971 | QEMUTimer **pt, *t; | |
972 | ||
973 | qemu_del_timer(ts); | |
974 | ||
975 | /* add the timer in the sorted list */ | |
976 | /* NOTE: this code must be signal safe because | |
977 | qemu_timer_expired() can be called from a signal. */ | |
978 | pt = &active_timers[ts->clock->type]; | |
979 | for(;;) { | |
980 | t = *pt; | |
981 | if (!t) | |
982 | break; | |
5fafdf24 | 983 | if (t->expire_time > expire_time) |
8a7ddc38 FB |
984 | break; |
985 | pt = &t->next; | |
986 | } | |
987 | ts->expire_time = expire_time; | |
988 | ts->next = *pt; | |
989 | *pt = ts; | |
d5d08334 AZ |
990 | |
991 | /* Rearm if necessary */ | |
2e70f6ef PB |
992 | if (pt == &active_timers[ts->clock->type]) { |
993 | if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { | |
994 | qemu_rearm_alarm_timer(alarm_timer); | |
995 | } | |
996 | /* Interrupt execution to force deadline recalculation. */ | |
d9f75a4e AL |
997 | if (use_icount) |
998 | qemu_notify_event(); | |
2e70f6ef | 999 | } |
8a7ddc38 FB |
1000 | } |
1001 | ||
1002 | int qemu_timer_pending(QEMUTimer *ts) | |
1003 | { | |
1004 | QEMUTimer *t; | |
1005 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
1006 | if (t == ts) | |
1007 | return 1; | |
1008 | } | |
1009 | return 0; | |
1010 | } | |
1011 | ||
2430ffe4 | 1012 | int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
8a7ddc38 FB |
1013 | { |
1014 | if (!timer_head) | |
1015 | return 0; | |
1016 | return (timer_head->expire_time <= current_time); | |
1017 | } | |
1018 | ||
1019 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
1020 | { | |
1021 | QEMUTimer *ts; | |
3b46e624 | 1022 | |
8a7ddc38 FB |
1023 | for(;;) { |
1024 | ts = *ptimer_head; | |
e95c8d51 | 1025 | if (!ts || ts->expire_time > current_time) |
8a7ddc38 FB |
1026 | break; |
1027 | /* remove timer from the list before calling the callback */ | |
1028 | *ptimer_head = ts->next; | |
1029 | ts->next = NULL; | |
3b46e624 | 1030 | |
8a7ddc38 FB |
1031 | /* run the callback (the timer list can be modified) */ |
1032 | ts->cb(ts->opaque); | |
1033 | } | |
1034 | } | |
1035 | ||
1036 | int64_t qemu_get_clock(QEMUClock *clock) | |
1037 | { | |
1038 | switch(clock->type) { | |
0fdddf80 | 1039 | case QEMU_CLOCK_REALTIME: |
1dce7c3c | 1040 | return get_clock() / 1000000; |
8a7ddc38 | 1041 | default: |
0fdddf80 | 1042 | case QEMU_CLOCK_VIRTUAL: |
2e70f6ef PB |
1043 | if (use_icount) { |
1044 | return cpu_get_icount(); | |
1045 | } else { | |
1046 | return cpu_get_clock(); | |
1047 | } | |
21d5d12b JK |
1048 | case QEMU_CLOCK_HOST: |
1049 | return get_clock_realtime(); | |
8a7ddc38 FB |
1050 | } |
1051 | } | |
1052 | ||
0fdddf80 | 1053 | static void init_clocks(void) |
1dce7c3c FB |
1054 | { |
1055 | init_get_clock(); | |
0fdddf80 JK |
1056 | rt_clock = qemu_new_clock(QEMU_CLOCK_REALTIME); |
1057 | vm_clock = qemu_new_clock(QEMU_CLOCK_VIRTUAL); | |
21d5d12b | 1058 | host_clock = qemu_new_clock(QEMU_CLOCK_HOST); |
6875204c JK |
1059 | |
1060 | rtc_clock = host_clock; | |
1dce7c3c FB |
1061 | } |
1062 | ||
8a7ddc38 FB |
1063 | /* save a timer */ |
1064 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
1065 | { | |
1066 | uint64_t expire_time; | |
1067 | ||
1068 | if (qemu_timer_pending(ts)) { | |
1069 | expire_time = ts->expire_time; | |
1070 | } else { | |
1071 | expire_time = -1; | |
1072 | } | |
1073 | qemu_put_be64(f, expire_time); | |
1074 | } | |
1075 | ||
1076 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
1077 | { | |
1078 | uint64_t expire_time; | |
1079 | ||
1080 | expire_time = qemu_get_be64(f); | |
1081 | if (expire_time != -1) { | |
1082 | qemu_mod_timer(ts, expire_time); | |
1083 | } else { | |
1084 | qemu_del_timer(ts); | |
1085 | } | |
1086 | } | |
1087 | ||
2faf58cd JQ |
1088 | static const VMStateDescription vmstate_timers = { |
1089 | .name = "timer", | |
1090 | .version_id = 2, | |
1091 | .minimum_version_id = 1, | |
1092 | .minimum_version_id_old = 1, | |
1093 | .fields = (VMStateField []) { | |
1094 | VMSTATE_INT64(cpu_ticks_offset, TimersState), | |
274dfed8 | 1095 | VMSTATE_INT64(dummy, TimersState), |
2faf58cd JQ |
1096 | VMSTATE_INT64_V(cpu_clock_offset, TimersState, 2), |
1097 | VMSTATE_END_OF_LIST() | |
c88676f8 | 1098 | } |
2faf58cd | 1099 | }; |
8a7ddc38 | 1100 | |
50317c7f AL |
1101 | static void qemu_event_increment(void); |
1102 | ||
67b915a5 | 1103 | #ifdef _WIN32 |
b9e82a59 BS |
1104 | static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, |
1105 | DWORD_PTR dwUser, DWORD_PTR dw1, | |
1106 | DWORD_PTR dw2) | |
67b915a5 | 1107 | #else |
8a7ddc38 | 1108 | static void host_alarm_handler(int host_signum) |
67b915a5 | 1109 | #endif |
8a7ddc38 | 1110 | { |
02ba45c5 FB |
1111 | #if 0 |
1112 | #define DISP_FREQ 1000 | |
1113 | { | |
1114 | static int64_t delta_min = INT64_MAX; | |
1115 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
1116 | static int count; | |
1117 | ti = qemu_get_clock(vm_clock); | |
1118 | if (last_clock != 0) { | |
1119 | delta = ti - last_clock; | |
1120 | if (delta < delta_min) | |
1121 | delta_min = delta; | |
1122 | if (delta > delta_max) | |
1123 | delta_max = delta; | |
1124 | delta_cum += delta; | |
1125 | if (++count == DISP_FREQ) { | |
26a76461 | 1126 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", |
6ee093c9 JQ |
1127 | muldiv64(delta_min, 1000000, get_ticks_per_sec()), |
1128 | muldiv64(delta_max, 1000000, get_ticks_per_sec()), | |
1129 | muldiv64(delta_cum, 1000000 / DISP_FREQ, get_ticks_per_sec()), | |
1130 | (double)get_ticks_per_sec() / ((double)delta_cum / DISP_FREQ)); | |
02ba45c5 FB |
1131 | count = 0; |
1132 | delta_min = INT64_MAX; | |
1133 | delta_max = 0; | |
1134 | delta_cum = 0; | |
1135 | } | |
1136 | } | |
1137 | last_clock = ti; | |
1138 | } | |
1139 | #endif | |
efe75411 | 1140 | if (alarm_has_dynticks(alarm_timer) || |
2e70f6ef | 1141 | (!use_icount && |
0fdddf80 | 1142 | qemu_timer_expired(active_timers[QEMU_CLOCK_VIRTUAL], |
2e70f6ef | 1143 | qemu_get_clock(vm_clock))) || |
0fdddf80 | 1144 | qemu_timer_expired(active_timers[QEMU_CLOCK_REALTIME], |
21d5d12b JK |
1145 | qemu_get_clock(rt_clock)) || |
1146 | qemu_timer_expired(active_timers[QEMU_CLOCK_HOST], | |
1147 | qemu_get_clock(host_clock))) { | |
50317c7f | 1148 | qemu_event_increment(); |
e332340a | 1149 | if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED; |
d5d08334 | 1150 | |
d6dc3d42 AL |
1151 | #ifndef CONFIG_IOTHREAD |
1152 | if (next_cpu) { | |
4f8eb8da | 1153 | /* stop the currently executing cpu because a timer occured */ |
d6dc3d42 | 1154 | cpu_exit(next_cpu); |
4f8eb8da | 1155 | } |
d6dc3d42 | 1156 | #endif |
43b96858 | 1157 | timer_alarm_pending = 1; |
d9f75a4e | 1158 | qemu_notify_event(); |
8a7ddc38 FB |
1159 | } |
1160 | } | |
1161 | ||
2e70f6ef | 1162 | static int64_t qemu_next_deadline(void) |
efe75411 | 1163 | { |
21d5d12b JK |
1164 | /* To avoid problems with overflow limit this to 2^32. */ |
1165 | int64_t delta = INT32_MAX; | |
efe75411 | 1166 | |
0fdddf80 JK |
1167 | if (active_timers[QEMU_CLOCK_VIRTUAL]) { |
1168 | delta = active_timers[QEMU_CLOCK_VIRTUAL]->expire_time - | |
2e70f6ef | 1169 | qemu_get_clock(vm_clock); |
21d5d12b JK |
1170 | } |
1171 | if (active_timers[QEMU_CLOCK_HOST]) { | |
1172 | int64_t hdelta = active_timers[QEMU_CLOCK_HOST]->expire_time - | |
1173 | qemu_get_clock(host_clock); | |
1174 | if (hdelta < delta) | |
1175 | delta = hdelta; | |
efe75411 TS |
1176 | } |
1177 | ||
2e70f6ef PB |
1178 | if (delta < 0) |
1179 | delta = 0; | |
efe75411 | 1180 | |
2e70f6ef PB |
1181 | return delta; |
1182 | } | |
1183 | ||
f64382ba | 1184 | #if defined(__linux__) |
2e70f6ef PB |
1185 | static uint64_t qemu_next_deadline_dyntick(void) |
1186 | { | |
1187 | int64_t delta; | |
1188 | int64_t rtdelta; | |
1189 | ||
1190 | if (use_icount) | |
1191 | delta = INT32_MAX; | |
1192 | else | |
1193 | delta = (qemu_next_deadline() + 999) / 1000; | |
1194 | ||
0fdddf80 JK |
1195 | if (active_timers[QEMU_CLOCK_REALTIME]) { |
1196 | rtdelta = (active_timers[QEMU_CLOCK_REALTIME]->expire_time - | |
2e70f6ef PB |
1197 | qemu_get_clock(rt_clock))*1000; |
1198 | if (rtdelta < delta) | |
1199 | delta = rtdelta; | |
1200 | } | |
1201 | ||
1202 | if (delta < MIN_TIMER_REARM_US) | |
1203 | delta = MIN_TIMER_REARM_US; | |
1204 | ||
1205 | return delta; | |
efe75411 | 1206 | } |
8632fb9a | 1207 | #endif |
efe75411 | 1208 | |
fd872598 FB |
1209 | #ifndef _WIN32 |
1210 | ||
7183b4b4 AL |
1211 | /* Sets a specific flag */ |
1212 | static int fcntl_setfl(int fd, int flag) | |
1213 | { | |
1214 | int flags; | |
1215 | ||
1216 | flags = fcntl(fd, F_GETFL); | |
1217 | if (flags == -1) | |
1218 | return -errno; | |
1219 | ||
1220 | if (fcntl(fd, F_SETFL, flags | flag) == -1) | |
1221 | return -errno; | |
1222 | ||
1223 | return 0; | |
1224 | } | |
1225 | ||
829309c7 FB |
1226 | #if defined(__linux__) |
1227 | ||
fd872598 FB |
1228 | #define RTC_FREQ 1024 |
1229 | ||
de9a95f0 | 1230 | static void enable_sigio_timer(int fd) |
c8994013 TS |
1231 | { |
1232 | struct sigaction act; | |
1233 | ||
1234 | /* timer signal */ | |
1235 | sigfillset(&act.sa_mask); | |
1236 | act.sa_flags = 0; | |
c8994013 TS |
1237 | act.sa_handler = host_alarm_handler; |
1238 | ||
1239 | sigaction(SIGIO, &act, NULL); | |
7183b4b4 | 1240 | fcntl_setfl(fd, O_ASYNC); |
c8994013 TS |
1241 | fcntl(fd, F_SETOWN, getpid()); |
1242 | } | |
829309c7 | 1243 | |
c40ec5a9 TS |
1244 | static int hpet_start_timer(struct qemu_alarm_timer *t) |
1245 | { | |
1246 | struct hpet_info info; | |
1247 | int r, fd; | |
1248 | ||
1249 | fd = open("/dev/hpet", O_RDONLY); | |
1250 | if (fd < 0) | |
1251 | return -1; | |
1252 | ||
1253 | /* Set frequency */ | |
1254 | r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); | |
1255 | if (r < 0) { | |
1256 | fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" | |
1257 | "error, but for better emulation accuracy type:\n" | |
1258 | "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); | |
1259 | goto fail; | |
1260 | } | |
1261 | ||
1262 | /* Check capabilities */ | |
1263 | r = ioctl(fd, HPET_INFO, &info); | |
1264 | if (r < 0) | |
1265 | goto fail; | |
1266 | ||
1267 | /* Enable periodic mode */ | |
1268 | r = ioctl(fd, HPET_EPI, 0); | |
1269 | if (info.hi_flags && (r < 0)) | |
1270 | goto fail; | |
1271 | ||
1272 | /* Enable interrupt */ | |
1273 | r = ioctl(fd, HPET_IE_ON, 0); | |
1274 | if (r < 0) | |
1275 | goto fail; | |
1276 | ||
1277 | enable_sigio_timer(fd); | |
fcdc2129 | 1278 | t->priv = (void *)(long)fd; |
c40ec5a9 TS |
1279 | |
1280 | return 0; | |
1281 | fail: | |
1282 | close(fd); | |
1283 | return -1; | |
1284 | } | |
1285 | ||
1286 | static void hpet_stop_timer(struct qemu_alarm_timer *t) | |
1287 | { | |
fcdc2129 | 1288 | int fd = (long)t->priv; |
c40ec5a9 TS |
1289 | |
1290 | close(fd); | |
1291 | } | |
1292 | ||
c8994013 | 1293 | static int rtc_start_timer(struct qemu_alarm_timer *t) |
fd872598 | 1294 | { |
c8994013 | 1295 | int rtc_fd; |
b5a23ad4 | 1296 | unsigned long current_rtc_freq = 0; |
c8994013 | 1297 | |
aeb30be6 | 1298 | TFR(rtc_fd = open("/dev/rtc", O_RDONLY)); |
fd872598 FB |
1299 | if (rtc_fd < 0) |
1300 | return -1; | |
b5a23ad4 AZ |
1301 | ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); |
1302 | if (current_rtc_freq != RTC_FREQ && | |
1303 | ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
fd872598 FB |
1304 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" |
1305 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
1306 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
1307 | goto fail; | |
1308 | } | |
1309 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
1310 | fail: | |
1311 | close(rtc_fd); | |
1312 | return -1; | |
1313 | } | |
c8994013 TS |
1314 | |
1315 | enable_sigio_timer(rtc_fd); | |
1316 | ||
fcdc2129 | 1317 | t->priv = (void *)(long)rtc_fd; |
c8994013 | 1318 | |
fd872598 FB |
1319 | return 0; |
1320 | } | |
1321 | ||
c8994013 | 1322 | static void rtc_stop_timer(struct qemu_alarm_timer *t) |
829309c7 | 1323 | { |
fcdc2129 | 1324 | int rtc_fd = (long)t->priv; |
c8994013 TS |
1325 | |
1326 | close(rtc_fd); | |
829309c7 FB |
1327 | } |
1328 | ||
efe75411 TS |
1329 | static int dynticks_start_timer(struct qemu_alarm_timer *t) |
1330 | { | |
1331 | struct sigevent ev; | |
1332 | timer_t host_timer; | |
1333 | struct sigaction act; | |
1334 | ||
1335 | sigfillset(&act.sa_mask); | |
1336 | act.sa_flags = 0; | |
efe75411 TS |
1337 | act.sa_handler = host_alarm_handler; |
1338 | ||
1339 | sigaction(SIGALRM, &act, NULL); | |
1340 | ||
9ed415b2 JCD |
1341 | /* |
1342 | * Initialize ev struct to 0 to avoid valgrind complaining | |
1343 | * about uninitialized data in timer_create call | |
1344 | */ | |
1345 | memset(&ev, 0, sizeof(ev)); | |
efe75411 TS |
1346 | ev.sigev_value.sival_int = 0; |
1347 | ev.sigev_notify = SIGEV_SIGNAL; | |
1348 | ev.sigev_signo = SIGALRM; | |
1349 | ||
1350 | if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { | |
1351 | perror("timer_create"); | |
1352 | ||
1353 | /* disable dynticks */ | |
1354 | fprintf(stderr, "Dynamic Ticks disabled\n"); | |
1355 | ||
1356 | return -1; | |
1357 | } | |
1358 | ||
0399bfe0 | 1359 | t->priv = (void *)(long)host_timer; |
efe75411 TS |
1360 | |
1361 | return 0; | |
1362 | } | |
1363 | ||
1364 | static void dynticks_stop_timer(struct qemu_alarm_timer *t) | |
1365 | { | |
0399bfe0 | 1366 | timer_t host_timer = (timer_t)(long)t->priv; |
efe75411 TS |
1367 | |
1368 | timer_delete(host_timer); | |
1369 | } | |
1370 | ||
1371 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t) | |
1372 | { | |
0399bfe0 | 1373 | timer_t host_timer = (timer_t)(long)t->priv; |
efe75411 TS |
1374 | struct itimerspec timeout; |
1375 | int64_t nearest_delta_us = INT64_MAX; | |
1376 | int64_t current_us; | |
1377 | ||
0fdddf80 | 1378 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
21d5d12b JK |
1379 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
1380 | !active_timers[QEMU_CLOCK_HOST]) | |
d5d08334 | 1381 | return; |
efe75411 | 1382 | |
2e70f6ef | 1383 | nearest_delta_us = qemu_next_deadline_dyntick(); |
efe75411 TS |
1384 | |
1385 | /* check whether a timer is already running */ | |
1386 | if (timer_gettime(host_timer, &timeout)) { | |
1387 | perror("gettime"); | |
1388 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1389 | exit(1); | |
1390 | } | |
1391 | current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; | |
1392 | if (current_us && current_us <= nearest_delta_us) | |
1393 | return; | |
1394 | ||
1395 | timeout.it_interval.tv_sec = 0; | |
1396 | timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ | |
1397 | timeout.it_value.tv_sec = nearest_delta_us / 1000000; | |
1398 | timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; | |
1399 | if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { | |
1400 | perror("settime"); | |
1401 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1402 | exit(1); | |
1403 | } | |
1404 | } | |
1405 | ||
70744b3a | 1406 | #endif /* defined(__linux__) */ |
231c6586 | 1407 | |
c8994013 TS |
1408 | static int unix_start_timer(struct qemu_alarm_timer *t) |
1409 | { | |
1410 | struct sigaction act; | |
1411 | struct itimerval itv; | |
1412 | int err; | |
1413 | ||
1414 | /* timer signal */ | |
1415 | sigfillset(&act.sa_mask); | |
1416 | act.sa_flags = 0; | |
c8994013 TS |
1417 | act.sa_handler = host_alarm_handler; |
1418 | ||
1419 | sigaction(SIGALRM, &act, NULL); | |
1420 | ||
1421 | itv.it_interval.tv_sec = 0; | |
1422 | /* for i386 kernel 2.6 to get 1 ms */ | |
1423 | itv.it_interval.tv_usec = 999; | |
1424 | itv.it_value.tv_sec = 0; | |
1425 | itv.it_value.tv_usec = 10 * 1000; | |
1426 | ||
1427 | err = setitimer(ITIMER_REAL, &itv, NULL); | |
1428 | if (err) | |
1429 | return -1; | |
1430 | ||
1431 | return 0; | |
1432 | } | |
1433 | ||
1434 | static void unix_stop_timer(struct qemu_alarm_timer *t) | |
1435 | { | |
1436 | struct itimerval itv; | |
1437 | ||
1438 | memset(&itv, 0, sizeof(itv)); | |
1439 | setitimer(ITIMER_REAL, &itv, NULL); | |
1440 | } | |
1441 | ||
829309c7 | 1442 | #endif /* !defined(_WIN32) */ |
fd872598 | 1443 | |
f49e58dc | 1444 | |
c8994013 TS |
1445 | #ifdef _WIN32 |
1446 | ||
1447 | static int win32_start_timer(struct qemu_alarm_timer *t) | |
1448 | { | |
1449 | TIMECAPS tc; | |
1450 | struct qemu_alarm_win32 *data = t->priv; | |
efe75411 | 1451 | UINT flags; |
c8994013 | 1452 | |
c8994013 TS |
1453 | memset(&tc, 0, sizeof(tc)); |
1454 | timeGetDevCaps(&tc, sizeof(tc)); | |
1455 | ||
1456 | if (data->period < tc.wPeriodMin) | |
1457 | data->period = tc.wPeriodMin; | |
1458 | ||
1459 | timeBeginPeriod(data->period); | |
1460 | ||
efe75411 TS |
1461 | flags = TIME_CALLBACK_FUNCTION; |
1462 | if (alarm_has_dynticks(t)) | |
1463 | flags |= TIME_ONESHOT; | |
1464 | else | |
1465 | flags |= TIME_PERIODIC; | |
1466 | ||
c8994013 TS |
1467 | data->timerId = timeSetEvent(1, // interval (ms) |
1468 | data->period, // resolution | |
1469 | host_alarm_handler, // function | |
1470 | (DWORD)t, // parameter | |
efe75411 | 1471 | flags); |
c8994013 TS |
1472 | |
1473 | if (!data->timerId) { | |
20889d4e | 1474 | fprintf(stderr, "Failed to initialize win32 alarm timer: %ld\n", |
705e83f6 | 1475 | GetLastError()); |
c8994013 | 1476 | timeEndPeriod(data->period); |
c8994013 TS |
1477 | return -1; |
1478 | } | |
1479 | ||
c8994013 TS |
1480 | return 0; |
1481 | } | |
1482 | ||
1483 | static void win32_stop_timer(struct qemu_alarm_timer *t) | |
1484 | { | |
1485 | struct qemu_alarm_win32 *data = t->priv; | |
1486 | ||
1487 | timeKillEvent(data->timerId); | |
1488 | timeEndPeriod(data->period); | |
c8994013 TS |
1489 | } |
1490 | ||
efe75411 TS |
1491 | static void win32_rearm_timer(struct qemu_alarm_timer *t) |
1492 | { | |
1493 | struct qemu_alarm_win32 *data = t->priv; | |
efe75411 | 1494 | |
0fdddf80 | 1495 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
21d5d12b JK |
1496 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
1497 | !active_timers[QEMU_CLOCK_HOST]) | |
d5d08334 | 1498 | return; |
efe75411 | 1499 | |
efe75411 TS |
1500 | timeKillEvent(data->timerId); |
1501 | ||
1502 | data->timerId = timeSetEvent(1, | |
1503 | data->period, | |
1504 | host_alarm_handler, | |
1505 | (DWORD)t, | |
1506 | TIME_ONESHOT | TIME_PERIODIC); | |
1507 | ||
1508 | if (!data->timerId) { | |
20889d4e | 1509 | fprintf(stderr, "Failed to re-arm win32 alarm timer %ld\n", |
705e83f6 | 1510 | GetLastError()); |
efe75411 TS |
1511 | |
1512 | timeEndPeriod(data->period); | |
efe75411 TS |
1513 | exit(1); |
1514 | } | |
1515 | } | |
1516 | ||
c8994013 TS |
1517 | #endif /* _WIN32 */ |
1518 | ||
7183b4b4 | 1519 | static int init_timer_alarm(void) |
8a7ddc38 | 1520 | { |
223f0d72 | 1521 | struct qemu_alarm_timer *t = NULL; |
c8994013 | 1522 | int i, err = -1; |
f49e58dc | 1523 | |
c8994013 TS |
1524 | for (i = 0; alarm_timers[i].name; i++) { |
1525 | t = &alarm_timers[i]; | |
1526 | ||
c8994013 TS |
1527 | err = t->start(t); |
1528 | if (!err) | |
1529 | break; | |
67b915a5 | 1530 | } |
fd872598 | 1531 | |
c8994013 | 1532 | if (err) { |
7183b4b4 AL |
1533 | err = -ENOENT; |
1534 | goto fail; | |
67b915a5 | 1535 | } |
c8994013 TS |
1536 | |
1537 | alarm_timer = t; | |
7183b4b4 | 1538 | |
6abfbd79 | 1539 | return 0; |
7183b4b4 AL |
1540 | |
1541 | fail: | |
7183b4b4 | 1542 | return err; |
8a7ddc38 FB |
1543 | } |
1544 | ||
9596ebb7 | 1545 | static void quit_timers(void) |
40c3bac3 | 1546 | { |
c8994013 TS |
1547 | alarm_timer->stop(alarm_timer); |
1548 | alarm_timer = NULL; | |
40c3bac3 FB |
1549 | } |
1550 | ||
f6503059 AZ |
1551 | /***********************************************************/ |
1552 | /* host time/date access */ | |
1553 | void qemu_get_timedate(struct tm *tm, int offset) | |
1554 | { | |
1555 | time_t ti; | |
1556 | struct tm *ret; | |
1557 | ||
1558 | time(&ti); | |
1559 | ti += offset; | |
1560 | if (rtc_date_offset == -1) { | |
1561 | if (rtc_utc) | |
1562 | ret = gmtime(&ti); | |
1563 | else | |
1564 | ret = localtime(&ti); | |
1565 | } else { | |
1566 | ti -= rtc_date_offset; | |
1567 | ret = gmtime(&ti); | |
1568 | } | |
1569 | ||
1570 | memcpy(tm, ret, sizeof(struct tm)); | |
1571 | } | |
1572 | ||
1573 | int qemu_timedate_diff(struct tm *tm) | |
1574 | { | |
1575 | time_t seconds; | |
1576 | ||
1577 | if (rtc_date_offset == -1) | |
1578 | if (rtc_utc) | |
1579 | seconds = mktimegm(tm); | |
1580 | else | |
1581 | seconds = mktime(tm); | |
1582 | else | |
1583 | seconds = mktimegm(tm) + rtc_date_offset; | |
1584 | ||
1585 | return seconds - time(NULL); | |
1586 | } | |
1587 | ||
1ed2fc1f JK |
1588 | static void configure_rtc_date_offset(const char *startdate, int legacy) |
1589 | { | |
1590 | time_t rtc_start_date; | |
1591 | struct tm tm; | |
1592 | ||
1593 | if (!strcmp(startdate, "now") && legacy) { | |
1594 | rtc_date_offset = -1; | |
1595 | } else { | |
1596 | if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", | |
1597 | &tm.tm_year, | |
1598 | &tm.tm_mon, | |
1599 | &tm.tm_mday, | |
1600 | &tm.tm_hour, | |
1601 | &tm.tm_min, | |
1602 | &tm.tm_sec) == 6) { | |
1603 | /* OK */ | |
1604 | } else if (sscanf(startdate, "%d-%d-%d", | |
1605 | &tm.tm_year, | |
1606 | &tm.tm_mon, | |
1607 | &tm.tm_mday) == 3) { | |
1608 | tm.tm_hour = 0; | |
1609 | tm.tm_min = 0; | |
1610 | tm.tm_sec = 0; | |
1611 | } else { | |
1612 | goto date_fail; | |
1613 | } | |
1614 | tm.tm_year -= 1900; | |
1615 | tm.tm_mon--; | |
1616 | rtc_start_date = mktimegm(&tm); | |
1617 | if (rtc_start_date == -1) { | |
1618 | date_fail: | |
1619 | fprintf(stderr, "Invalid date format. Valid formats are:\n" | |
1620 | "'2006-06-17T16:01:21' or '2006-06-17'\n"); | |
1621 | exit(1); | |
1622 | } | |
1623 | rtc_date_offset = time(NULL) - rtc_start_date; | |
1624 | } | |
1625 | } | |
1626 | ||
1627 | static void configure_rtc(QemuOpts *opts) | |
1628 | { | |
1629 | const char *value; | |
1630 | ||
1631 | value = qemu_opt_get(opts, "base"); | |
1632 | if (value) { | |
1633 | if (!strcmp(value, "utc")) { | |
1634 | rtc_utc = 1; | |
1635 | } else if (!strcmp(value, "localtime")) { | |
1636 | rtc_utc = 0; | |
1637 | } else { | |
1638 | configure_rtc_date_offset(value, 0); | |
1639 | } | |
1640 | } | |
6875204c JK |
1641 | value = qemu_opt_get(opts, "clock"); |
1642 | if (value) { | |
1643 | if (!strcmp(value, "host")) { | |
1644 | rtc_clock = host_clock; | |
1645 | } else if (!strcmp(value, "vm")) { | |
1646 | rtc_clock = vm_clock; | |
1647 | } else { | |
1648 | fprintf(stderr, "qemu: invalid option value '%s'\n", value); | |
1649 | exit(1); | |
1650 | } | |
1651 | } | |
1ed2fc1f JK |
1652 | #ifdef CONFIG_TARGET_I386 |
1653 | value = qemu_opt_get(opts, "driftfix"); | |
1654 | if (value) { | |
1655 | if (!strcmp(buf, "slew")) { | |
1656 | rtc_td_hack = 1; | |
1657 | } else if (!strcmp(buf, "none")) { | |
1658 | rtc_td_hack = 0; | |
1659 | } else { | |
1660 | fprintf(stderr, "qemu: invalid option value '%s'\n", value); | |
1661 | exit(1); | |
1662 | } | |
1663 | } | |
1664 | #endif | |
1665 | } | |
1666 | ||
fd1dff4b | 1667 | #ifdef _WIN32 |
fd1dff4b FB |
1668 | static void socket_cleanup(void) |
1669 | { | |
1670 | WSACleanup(); | |
1671 | } | |
82c643ff | 1672 | |
fd1dff4b FB |
1673 | static int socket_init(void) |
1674 | { | |
1675 | WSADATA Data; | |
1676 | int ret, err; | |
1677 | ||
1678 | ret = WSAStartup(MAKEWORD(2,2), &Data); | |
1679 | if (ret != 0) { | |
1680 | err = WSAGetLastError(); | |
1681 | fprintf(stderr, "WSAStartup: %d\n", err); | |
1682 | return -1; | |
1683 | } | |
1684 | atexit(socket_cleanup); | |
1685 | return 0; | |
1686 | } | |
64b7b733 AJ |
1687 | #endif |
1688 | ||
1ae26a18 AZ |
1689 | /***********************************************************/ |
1690 | /* Bluetooth support */ | |
1691 | static int nb_hcis; | |
1692 | static int cur_hci; | |
1693 | static struct HCIInfo *hci_table[MAX_NICS]; | |
dc72ac14 | 1694 | |
1ae26a18 AZ |
1695 | static struct bt_vlan_s { |
1696 | struct bt_scatternet_s net; | |
1697 | int id; | |
1698 | struct bt_vlan_s *next; | |
1699 | } *first_bt_vlan; | |
1700 | ||
1701 | /* find or alloc a new bluetooth "VLAN" */ | |
674bb261 | 1702 | static struct bt_scatternet_s *qemu_find_bt_vlan(int id) |
1ae26a18 AZ |
1703 | { |
1704 | struct bt_vlan_s **pvlan, *vlan; | |
1705 | for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { | |
1706 | if (vlan->id == id) | |
1707 | return &vlan->net; | |
1708 | } | |
1709 | vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); | |
1710 | vlan->id = id; | |
1711 | pvlan = &first_bt_vlan; | |
1712 | while (*pvlan != NULL) | |
1713 | pvlan = &(*pvlan)->next; | |
1714 | *pvlan = vlan; | |
1715 | return &vlan->net; | |
1716 | } | |
1717 | ||
1718 | static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) | |
1719 | { | |
1720 | } | |
1721 | ||
1722 | static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) | |
1723 | { | |
1724 | return -ENOTSUP; | |
1725 | } | |
1726 | ||
1727 | static struct HCIInfo null_hci = { | |
1728 | .cmd_send = null_hci_send, | |
1729 | .sco_send = null_hci_send, | |
1730 | .acl_send = null_hci_send, | |
1731 | .bdaddr_set = null_hci_addr_set, | |
1732 | }; | |
1733 | ||
1734 | struct HCIInfo *qemu_next_hci(void) | |
1735 | { | |
1736 | if (cur_hci == nb_hcis) | |
1737 | return &null_hci; | |
1738 | ||
1739 | return hci_table[cur_hci++]; | |
1740 | } | |
1741 | ||
dc72ac14 AZ |
1742 | static struct HCIInfo *hci_init(const char *str) |
1743 | { | |
1744 | char *endp; | |
1745 | struct bt_scatternet_s *vlan = 0; | |
1746 | ||
1747 | if (!strcmp(str, "null")) | |
1748 | /* null */ | |
1749 | return &null_hci; | |
1750 | else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) | |
1751 | /* host[:hciN] */ | |
1752 | return bt_host_hci(str[4] ? str + 5 : "hci0"); | |
1753 | else if (!strncmp(str, "hci", 3)) { | |
1754 | /* hci[,vlan=n] */ | |
1755 | if (str[3]) { | |
1756 | if (!strncmp(str + 3, ",vlan=", 6)) { | |
1757 | vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); | |
1758 | if (*endp) | |
1759 | vlan = 0; | |
1760 | } | |
1761 | } else | |
1762 | vlan = qemu_find_bt_vlan(0); | |
1763 | if (vlan) | |
1764 | return bt_new_hci(vlan); | |
1765 | } | |
1766 | ||
1767 | fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str); | |
1768 | ||
1769 | return 0; | |
1770 | } | |
1771 | ||
1772 | static int bt_hci_parse(const char *str) | |
1773 | { | |
1774 | struct HCIInfo *hci; | |
c227f099 | 1775 | bdaddr_t bdaddr; |
dc72ac14 AZ |
1776 | |
1777 | if (nb_hcis >= MAX_NICS) { | |
1778 | fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS); | |
1779 | return -1; | |
1780 | } | |
1781 | ||
1782 | hci = hci_init(str); | |
1783 | if (!hci) | |
1784 | return -1; | |
1785 | ||
1786 | bdaddr.b[0] = 0x52; | |
1787 | bdaddr.b[1] = 0x54; | |
1788 | bdaddr.b[2] = 0x00; | |
1789 | bdaddr.b[3] = 0x12; | |
1790 | bdaddr.b[4] = 0x34; | |
1791 | bdaddr.b[5] = 0x56 + nb_hcis; | |
1792 | hci->bdaddr_set(hci, bdaddr.b); | |
1793 | ||
1794 | hci_table[nb_hcis++] = hci; | |
1795 | ||
1796 | return 0; | |
1797 | } | |
1798 | ||
1799 | static void bt_vhci_add(int vlan_id) | |
1800 | { | |
1801 | struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); | |
1802 | ||
1803 | if (!vlan->slave) | |
1804 | fprintf(stderr, "qemu: warning: adding a VHCI to " | |
1805 | "an empty scatternet %i\n", vlan_id); | |
1806 | ||
1807 | bt_vhci_init(bt_new_hci(vlan)); | |
1808 | } | |
1809 | ||
1810 | static struct bt_device_s *bt_device_add(const char *opt) | |
1811 | { | |
1812 | struct bt_scatternet_s *vlan; | |
1813 | int vlan_id = 0; | |
1814 | char *endp = strstr(opt, ",vlan="); | |
1815 | int len = (endp ? endp - opt : strlen(opt)) + 1; | |
1816 | char devname[10]; | |
1817 | ||
1818 | pstrcpy(devname, MIN(sizeof(devname), len), opt); | |
1819 | ||
1820 | if (endp) { | |
1821 | vlan_id = strtol(endp + 6, &endp, 0); | |
1822 | if (*endp) { | |
1823 | fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); | |
1824 | return 0; | |
1825 | } | |
1826 | } | |
1827 | ||
1828 | vlan = qemu_find_bt_vlan(vlan_id); | |
1829 | ||
1830 | if (!vlan->slave) | |
1831 | fprintf(stderr, "qemu: warning: adding a slave device to " | |
1832 | "an empty scatternet %i\n", vlan_id); | |
1833 | ||
1834 | if (!strcmp(devname, "keyboard")) | |
1835 | return bt_keyboard_init(vlan); | |
1836 | ||
1837 | fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); | |
1838 | return 0; | |
1839 | } | |
1840 | ||
1841 | static int bt_parse(const char *opt) | |
1842 | { | |
1843 | const char *endp, *p; | |
1844 | int vlan; | |
1845 | ||
1846 | if (strstart(opt, "hci", &endp)) { | |
1847 | if (!*endp || *endp == ',') { | |
1848 | if (*endp) | |
1849 | if (!strstart(endp, ",vlan=", 0)) | |
1850 | opt = endp + 1; | |
1851 | ||
1852 | return bt_hci_parse(opt); | |
1853 | } | |
1854 | } else if (strstart(opt, "vhci", &endp)) { | |
1855 | if (!*endp || *endp == ',') { | |
1856 | if (*endp) { | |
1857 | if (strstart(endp, ",vlan=", &p)) { | |
1858 | vlan = strtol(p, (char **) &endp, 0); | |
1859 | if (*endp) { | |
1860 | fprintf(stderr, "qemu: bad scatternet '%s'\n", p); | |
1861 | return 1; | |
1862 | } | |
1863 | } else { | |
1864 | fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); | |
1865 | return 1; | |
1866 | } | |
1867 | } else | |
1868 | vlan = 0; | |
1869 | ||
1870 | bt_vhci_add(vlan); | |
1871 | return 0; | |
1872 | } | |
1873 | } else if (strstart(opt, "device:", &endp)) | |
1874 | return !bt_device_add(endp); | |
1875 | ||
1876 | fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); | |
1877 | return 1; | |
1878 | } | |
1879 | ||
1ae26a18 AZ |
1880 | /***********************************************************/ |
1881 | /* QEMU Block devices */ | |
1882 | ||
609497ab | 1883 | #define HD_ALIAS "index=%d,media=disk" |
e4bcb14c | 1884 | #define CDROM_ALIAS "index=2,media=cdrom" |
e4bcb14c | 1885 | #define FD_ALIAS "index=%d,if=floppy" |
609497ab AZ |
1886 | #define PFLASH_ALIAS "if=pflash" |
1887 | #define MTD_ALIAS "if=mtd" | |
9d413d1d | 1888 | #define SD_ALIAS "index=0,if=sd" |
e4bcb14c | 1889 | |
9dfd7c7a | 1890 | QemuOpts *drive_add(const char *file, const char *fmt, ...) |
e4bcb14c TS |
1891 | { |
1892 | va_list ap; | |
9dfd7c7a GH |
1893 | char optstr[1024]; |
1894 | QemuOpts *opts; | |
e4bcb14c | 1895 | |
e4bcb14c | 1896 | va_start(ap, fmt); |
9dfd7c7a | 1897 | vsnprintf(optstr, sizeof(optstr), fmt, ap); |
e4bcb14c TS |
1898 | va_end(ap); |
1899 | ||
7282a033 | 1900 | opts = qemu_opts_parse(&qemu_drive_opts, optstr, NULL); |
9dfd7c7a GH |
1901 | if (!opts) { |
1902 | fprintf(stderr, "%s: huh? duplicate? (%s)\n", | |
1903 | __FUNCTION__, optstr); | |
1904 | return NULL; | |
1905 | } | |
1906 | if (file) | |
1907 | qemu_opt_set(opts, "file", file); | |
1908 | return opts; | |
b01b1111 AL |
1909 | } |
1910 | ||
751c6a17 | 1911 | DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit) |
e4bcb14c | 1912 | { |
751c6a17 | 1913 | DriveInfo *dinfo; |
e4bcb14c TS |
1914 | |
1915 | /* seek interface, bus and unit */ | |
1916 | ||
72cf2d4f | 1917 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1918 | if (dinfo->type == type && |
1919 | dinfo->bus == bus && | |
1920 | dinfo->unit == unit) | |
1921 | return dinfo; | |
1922 | } | |
e4bcb14c | 1923 | |
751c6a17 | 1924 | return NULL; |
e4bcb14c TS |
1925 | } |
1926 | ||
2e810b36 | 1927 | DriveInfo *drive_get_by_id(const char *id) |
1dae12e6 GH |
1928 | { |
1929 | DriveInfo *dinfo; | |
1930 | ||
72cf2d4f | 1931 | QTAILQ_FOREACH(dinfo, &drives, next) { |
1dae12e6 GH |
1932 | if (strcmp(id, dinfo->id)) |
1933 | continue; | |
1934 | return dinfo; | |
1935 | } | |
1936 | return NULL; | |
1937 | } | |
1938 | ||
f60d39bc | 1939 | int drive_get_max_bus(BlockInterfaceType type) |
e4bcb14c TS |
1940 | { |
1941 | int max_bus; | |
751c6a17 | 1942 | DriveInfo *dinfo; |
e4bcb14c TS |
1943 | |
1944 | max_bus = -1; | |
72cf2d4f | 1945 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1946 | if(dinfo->type == type && |
1947 | dinfo->bus > max_bus) | |
1948 | max_bus = dinfo->bus; | |
e4bcb14c TS |
1949 | } |
1950 | return max_bus; | |
1951 | } | |
1952 | ||
fa879c64 AL |
1953 | const char *drive_get_serial(BlockDriverState *bdrv) |
1954 | { | |
751c6a17 | 1955 | DriveInfo *dinfo; |
fa879c64 | 1956 | |
72cf2d4f | 1957 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1958 | if (dinfo->bdrv == bdrv) |
1959 | return dinfo->serial; | |
1960 | } | |
fa879c64 AL |
1961 | |
1962 | return "\0"; | |
1963 | } | |
1964 | ||
428c5705 AL |
1965 | BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv) |
1966 | { | |
751c6a17 | 1967 | DriveInfo *dinfo; |
428c5705 | 1968 | |
72cf2d4f | 1969 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1970 | if (dinfo->bdrv == bdrv) |
1971 | return dinfo->onerror; | |
1972 | } | |
428c5705 | 1973 | |
cdad4bd8 | 1974 | return BLOCK_ERR_STOP_ENOSPC; |
428c5705 AL |
1975 | } |
1976 | ||
a1620fac AJ |
1977 | static void bdrv_format_print(void *opaque, const char *name) |
1978 | { | |
1979 | fprintf(stderr, " %s", name); | |
1980 | } | |
1981 | ||
b01b1111 AL |
1982 | void drive_uninit(BlockDriverState *bdrv) |
1983 | { | |
751c6a17 | 1984 | DriveInfo *dinfo; |
b01b1111 | 1985 | |
72cf2d4f | 1986 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1987 | if (dinfo->bdrv != bdrv) |
1988 | continue; | |
9dfd7c7a | 1989 | qemu_opts_del(dinfo->opts); |
72cf2d4f | 1990 | QTAILQ_REMOVE(&drives, dinfo, next); |
751c6a17 GH |
1991 | qemu_free(dinfo); |
1992 | break; | |
1993 | } | |
b01b1111 AL |
1994 | } |
1995 | ||
9dfd7c7a | 1996 | DriveInfo *drive_init(QemuOpts *opts, void *opaque, |
751c6a17 | 1997 | int *fatal_error) |
e4bcb14c | 1998 | { |
9dfd7c7a GH |
1999 | const char *buf; |
2000 | const char *file = NULL; | |
c8522bdf | 2001 | char devname[128]; |
9dfd7c7a | 2002 | const char *serial; |
c8522bdf | 2003 | const char *mediastr = ""; |
f60d39bc | 2004 | BlockInterfaceType type; |
e4bcb14c TS |
2005 | enum { MEDIA_DISK, MEDIA_CDROM } media; |
2006 | int bus_id, unit_id; | |
2007 | int cyls, heads, secs, translation; | |
1e72d3b7 | 2008 | BlockDriver *drv = NULL; |
4d73cd3b | 2009 | QEMUMachine *machine = opaque; |
e4bcb14c TS |
2010 | int max_devs; |
2011 | int index; | |
33f00271 | 2012 | int cache; |
5c6c3a6c | 2013 | int aio = 0; |
428c5705 | 2014 | int bdrv_flags, onerror; |
c2cc47a4 | 2015 | const char *devaddr; |
751c6a17 | 2016 | DriveInfo *dinfo; |
9dfd7c7a | 2017 | int snapshot = 0; |
e4bcb14c | 2018 | |
9dfd7c7a | 2019 | *fatal_error = 1; |
e4bcb14c | 2020 | |
e4bcb14c | 2021 | translation = BIOS_ATA_TRANSLATION_AUTO; |
0aa217e4 | 2022 | cache = 1; |
e4bcb14c | 2023 | |
4d007814 | 2024 | if (machine && machine->use_scsi) { |
f60d39bc | 2025 | type = IF_SCSI; |
e4bcb14c | 2026 | max_devs = MAX_SCSI_DEVS; |
363a37d5 | 2027 | pstrcpy(devname, sizeof(devname), "scsi"); |
e4bcb14c | 2028 | } else { |
f60d39bc | 2029 | type = IF_IDE; |
e4bcb14c | 2030 | max_devs = MAX_IDE_DEVS; |
363a37d5 | 2031 | pstrcpy(devname, sizeof(devname), "ide"); |
e4bcb14c TS |
2032 | } |
2033 | media = MEDIA_DISK; | |
2034 | ||
2035 | /* extract parameters */ | |
9dfd7c7a GH |
2036 | bus_id = qemu_opt_get_number(opts, "bus", 0); |
2037 | unit_id = qemu_opt_get_number(opts, "unit", -1); | |
2038 | index = qemu_opt_get_number(opts, "index", -1); | |
e4bcb14c | 2039 | |
9dfd7c7a GH |
2040 | cyls = qemu_opt_get_number(opts, "cyls", 0); |
2041 | heads = qemu_opt_get_number(opts, "heads", 0); | |
2042 | secs = qemu_opt_get_number(opts, "secs", 0); | |
e4bcb14c | 2043 | |
9dfd7c7a | 2044 | snapshot = qemu_opt_get_bool(opts, "snapshot", 0); |
e4bcb14c | 2045 | |
9dfd7c7a GH |
2046 | file = qemu_opt_get(opts, "file"); |
2047 | serial = qemu_opt_get(opts, "serial"); | |
2048 | ||
2049 | if ((buf = qemu_opt_get(opts, "if")) != NULL) { | |
ae45d369 | 2050 | pstrcpy(devname, sizeof(devname), buf); |
e4bcb14c | 2051 | if (!strcmp(buf, "ide")) { |
f60d39bc | 2052 | type = IF_IDE; |
e4bcb14c TS |
2053 | max_devs = MAX_IDE_DEVS; |
2054 | } else if (!strcmp(buf, "scsi")) { | |
f60d39bc | 2055 | type = IF_SCSI; |
e4bcb14c TS |
2056 | max_devs = MAX_SCSI_DEVS; |
2057 | } else if (!strcmp(buf, "floppy")) { | |
f60d39bc | 2058 | type = IF_FLOPPY; |
e4bcb14c TS |
2059 | max_devs = 0; |
2060 | } else if (!strcmp(buf, "pflash")) { | |
f60d39bc | 2061 | type = IF_PFLASH; |
e4bcb14c TS |
2062 | max_devs = 0; |
2063 | } else if (!strcmp(buf, "mtd")) { | |
f60d39bc | 2064 | type = IF_MTD; |
e4bcb14c TS |
2065 | max_devs = 0; |
2066 | } else if (!strcmp(buf, "sd")) { | |
f60d39bc | 2067 | type = IF_SD; |
e4bcb14c | 2068 | max_devs = 0; |
6e02c38d AL |
2069 | } else if (!strcmp(buf, "virtio")) { |
2070 | type = IF_VIRTIO; | |
2071 | max_devs = 0; | |
62d23efa AL |
2072 | } else if (!strcmp(buf, "xen")) { |
2073 | type = IF_XEN; | |
2074 | max_devs = 0; | |
a8659e90 GH |
2075 | } else if (!strcmp(buf, "none")) { |
2076 | type = IF_NONE; | |
2077 | max_devs = 0; | |
62d23efa | 2078 | } else { |
9dfd7c7a | 2079 | fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf); |
751c6a17 | 2080 | return NULL; |
e4bcb14c TS |
2081 | } |
2082 | } | |
2083 | ||
e4bcb14c TS |
2084 | if (cyls || heads || secs) { |
2085 | if (cyls < 1 || cyls > 16383) { | |
9dfd7c7a | 2086 | fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf); |
751c6a17 | 2087 | return NULL; |
e4bcb14c TS |
2088 | } |
2089 | if (heads < 1 || heads > 16) { | |
9dfd7c7a | 2090 | fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf); |
751c6a17 | 2091 | return NULL; |
e4bcb14c TS |
2092 | } |
2093 | if (secs < 1 || secs > 63) { | |
9dfd7c7a | 2094 | fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf); |
751c6a17 | 2095 | return NULL; |
e4bcb14c TS |
2096 | } |
2097 | } | |
2098 | ||
9dfd7c7a | 2099 | if ((buf = qemu_opt_get(opts, "trans")) != NULL) { |
e4bcb14c TS |
2100 | if (!cyls) { |
2101 | fprintf(stderr, | |
2102 | "qemu: '%s' trans must be used with cyls,heads and secs\n", | |
9dfd7c7a | 2103 | buf); |
751c6a17 | 2104 | return NULL; |
e4bcb14c TS |
2105 | } |
2106 | if (!strcmp(buf, "none")) | |
2107 | translation = BIOS_ATA_TRANSLATION_NONE; | |
2108 | else if (!strcmp(buf, "lba")) | |
2109 | translation = BIOS_ATA_TRANSLATION_LBA; | |
2110 | else if (!strcmp(buf, "auto")) | |
2111 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
2112 | else { | |
9dfd7c7a | 2113 | fprintf(stderr, "qemu: '%s' invalid translation type\n", buf); |
751c6a17 | 2114 | return NULL; |
e4bcb14c TS |
2115 | } |
2116 | } | |
2117 | ||
9dfd7c7a | 2118 | if ((buf = qemu_opt_get(opts, "media")) != NULL) { |
e4bcb14c TS |
2119 | if (!strcmp(buf, "disk")) { |
2120 | media = MEDIA_DISK; | |
2121 | } else if (!strcmp(buf, "cdrom")) { | |
2122 | if (cyls || secs || heads) { | |
2123 | fprintf(stderr, | |
9dfd7c7a | 2124 | "qemu: '%s' invalid physical CHS format\n", buf); |
751c6a17 | 2125 | return NULL; |
e4bcb14c TS |
2126 | } |
2127 | media = MEDIA_CDROM; | |
2128 | } else { | |
9dfd7c7a | 2129 | fprintf(stderr, "qemu: '%s' invalid media\n", buf); |
751c6a17 | 2130 | return NULL; |
e4bcb14c TS |
2131 | } |
2132 | } | |
2133 | ||
9dfd7c7a | 2134 | if ((buf = qemu_opt_get(opts, "cache")) != NULL) { |
9f7965c7 | 2135 | if (!strcmp(buf, "off") || !strcmp(buf, "none")) |
33f00271 | 2136 | cache = 0; |
9f7965c7 | 2137 | else if (!strcmp(buf, "writethrough")) |
33f00271 | 2138 | cache = 1; |
9f7965c7 AL |
2139 | else if (!strcmp(buf, "writeback")) |
2140 | cache = 2; | |
33f00271 AZ |
2141 | else { |
2142 | fprintf(stderr, "qemu: invalid cache option\n"); | |
751c6a17 | 2143 | return NULL; |
33f00271 AZ |
2144 | } |
2145 | } | |
2146 | ||
5c6c3a6c CH |
2147 | #ifdef CONFIG_LINUX_AIO |
2148 | if ((buf = qemu_opt_get(opts, "aio")) != NULL) { | |
2149 | if (!strcmp(buf, "threads")) | |
2150 | aio = 0; | |
2151 | else if (!strcmp(buf, "native")) | |
2152 | aio = 1; | |
2153 | else { | |
2154 | fprintf(stderr, "qemu: invalid aio option\n"); | |
2155 | return NULL; | |
2156 | } | |
2157 | } | |
2158 | #endif | |
2159 | ||
9dfd7c7a | 2160 | if ((buf = qemu_opt_get(opts, "format")) != NULL) { |
a1620fac AJ |
2161 | if (strcmp(buf, "?") == 0) { |
2162 | fprintf(stderr, "qemu: Supported formats:"); | |
2163 | bdrv_iterate_format(bdrv_format_print, NULL); | |
2164 | fprintf(stderr, "\n"); | |
751c6a17 | 2165 | return NULL; |
a1620fac | 2166 | } |
1e72d3b7 AJ |
2167 | drv = bdrv_find_format(buf); |
2168 | if (!drv) { | |
2169 | fprintf(stderr, "qemu: '%s' invalid format\n", buf); | |
751c6a17 | 2170 | return NULL; |
1e72d3b7 AJ |
2171 | } |
2172 | } | |
2173 | ||
cdad4bd8 | 2174 | onerror = BLOCK_ERR_STOP_ENOSPC; |
9dfd7c7a | 2175 | if ((buf = qemu_opt_get(opts, "werror")) != NULL) { |
869a5c6d | 2176 | if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) { |
ea8a5d7f | 2177 | fprintf(stderr, "werror is no supported by this format\n"); |
751c6a17 | 2178 | return NULL; |
428c5705 AL |
2179 | } |
2180 | if (!strcmp(buf, "ignore")) | |
2181 | onerror = BLOCK_ERR_IGNORE; | |
2182 | else if (!strcmp(buf, "enospc")) | |
2183 | onerror = BLOCK_ERR_STOP_ENOSPC; | |
2184 | else if (!strcmp(buf, "stop")) | |
2185 | onerror = BLOCK_ERR_STOP_ANY; | |
2186 | else if (!strcmp(buf, "report")) | |
2187 | onerror = BLOCK_ERR_REPORT; | |
2188 | else { | |
2189 | fprintf(stderr, "qemu: '%s' invalid write error action\n", buf); | |
751c6a17 | 2190 | return NULL; |
428c5705 AL |
2191 | } |
2192 | } | |
2193 | ||
9dfd7c7a | 2194 | if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) { |
c2cc47a4 | 2195 | if (type != IF_VIRTIO) { |
9dfd7c7a | 2196 | fprintf(stderr, "addr is not supported\n"); |
751c6a17 | 2197 | return NULL; |
c2cc47a4 | 2198 | } |
c2cc47a4 MA |
2199 | } |
2200 | ||
e4bcb14c TS |
2201 | /* compute bus and unit according index */ |
2202 | ||
2203 | if (index != -1) { | |
2204 | if (bus_id != 0 || unit_id != -1) { | |
2205 | fprintf(stderr, | |
9dfd7c7a | 2206 | "qemu: index cannot be used with bus and unit\n"); |
751c6a17 | 2207 | return NULL; |
e4bcb14c TS |
2208 | } |
2209 | if (max_devs == 0) | |
2210 | { | |
2211 | unit_id = index; | |
2212 | bus_id = 0; | |
2213 | } else { | |
2214 | unit_id = index % max_devs; | |
2215 | bus_id = index / max_devs; | |
2216 | } | |
2217 | } | |
2218 | ||
2219 | /* if user doesn't specify a unit_id, | |
2220 | * try to find the first free | |
2221 | */ | |
2222 | ||
2223 | if (unit_id == -1) { | |
2224 | unit_id = 0; | |
751c6a17 | 2225 | while (drive_get(type, bus_id, unit_id) != NULL) { |
e4bcb14c TS |
2226 | unit_id++; |
2227 | if (max_devs && unit_id >= max_devs) { | |
2228 | unit_id -= max_devs; | |
2229 | bus_id++; | |
2230 | } | |
2231 | } | |
2232 | } | |
2233 | ||
2234 | /* check unit id */ | |
2235 | ||
2236 | if (max_devs && unit_id >= max_devs) { | |
9dfd7c7a GH |
2237 | fprintf(stderr, "qemu: unit %d too big (max is %d)\n", |
2238 | unit_id, max_devs - 1); | |
751c6a17 | 2239 | return NULL; |
e4bcb14c TS |
2240 | } |
2241 | ||
2242 | /* | |
2243 | * ignore multiple definitions | |
2244 | */ | |
2245 | ||
751c6a17 GH |
2246 | if (drive_get(type, bus_id, unit_id) != NULL) { |
2247 | *fatal_error = 0; | |
2248 | return NULL; | |
2249 | } | |
e4bcb14c TS |
2250 | |
2251 | /* init */ | |
2252 | ||
751c6a17 | 2253 | dinfo = qemu_mallocz(sizeof(*dinfo)); |
e23d9c4d | 2254 | if ((buf = qemu_opts_id(opts)) != NULL) { |
9dfd7c7a GH |
2255 | dinfo->id = qemu_strdup(buf); |
2256 | } else { | |
1dae12e6 | 2257 | /* no id supplied -> create one */ |
9dfd7c7a | 2258 | dinfo->id = qemu_mallocz(32); |
1dae12e6 GH |
2259 | if (type == IF_IDE || type == IF_SCSI) |
2260 | mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; | |
2261 | if (max_devs) | |
9dfd7c7a | 2262 | snprintf(dinfo->id, 32, "%s%i%s%i", |
1dae12e6 GH |
2263 | devname, bus_id, mediastr, unit_id); |
2264 | else | |
9dfd7c7a | 2265 | snprintf(dinfo->id, 32, "%s%s%i", |
1dae12e6 GH |
2266 | devname, mediastr, unit_id); |
2267 | } | |
1dae12e6 | 2268 | dinfo->bdrv = bdrv_new(dinfo->id); |
751c6a17 GH |
2269 | dinfo->devaddr = devaddr; |
2270 | dinfo->type = type; | |
2271 | dinfo->bus = bus_id; | |
2272 | dinfo->unit = unit_id; | |
2273 | dinfo->onerror = onerror; | |
9dfd7c7a GH |
2274 | dinfo->opts = opts; |
2275 | if (serial) | |
2276 | strncpy(dinfo->serial, serial, sizeof(serial)); | |
72cf2d4f | 2277 | QTAILQ_INSERT_TAIL(&drives, dinfo, next); |
e4bcb14c | 2278 | |
f60d39bc | 2279 | switch(type) { |
e4bcb14c TS |
2280 | case IF_IDE: |
2281 | case IF_SCSI: | |
62d23efa | 2282 | case IF_XEN: |
c219331e | 2283 | case IF_NONE: |
e4bcb14c TS |
2284 | switch(media) { |
2285 | case MEDIA_DISK: | |
2286 | if (cyls != 0) { | |
1dae12e6 GH |
2287 | bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs); |
2288 | bdrv_set_translation_hint(dinfo->bdrv, translation); | |
e4bcb14c TS |
2289 | } |
2290 | break; | |
2291 | case MEDIA_CDROM: | |
1dae12e6 | 2292 | bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM); |
e4bcb14c TS |
2293 | break; |
2294 | } | |
2295 | break; | |
2296 | case IF_SD: | |
2297 | /* FIXME: This isn't really a floppy, but it's a reasonable | |
2298 | approximation. */ | |
2299 | case IF_FLOPPY: | |
1dae12e6 | 2300 | bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY); |
e4bcb14c TS |
2301 | break; |
2302 | case IF_PFLASH: | |
2303 | case IF_MTD: | |
2304 | break; | |
d176c495 GH |
2305 | case IF_VIRTIO: |
2306 | /* add virtio block device */ | |
2307 | opts = qemu_opts_create(&qemu_device_opts, NULL, 0); | |
2308 | qemu_opt_set(opts, "driver", "virtio-blk-pci"); | |
2309 | qemu_opt_set(opts, "drive", dinfo->id); | |
2310 | if (devaddr) | |
2311 | qemu_opt_set(opts, "addr", devaddr); | |
2312 | break; | |
aae9460e PB |
2313 | case IF_COUNT: |
2314 | abort(); | |
e4bcb14c | 2315 | } |
9dfd7c7a | 2316 | if (!file) { |
751c6a17 GH |
2317 | *fatal_error = 0; |
2318 | return NULL; | |
2319 | } | |
33f00271 | 2320 | bdrv_flags = 0; |
9f7965c7 | 2321 | if (snapshot) { |
33f00271 | 2322 | bdrv_flags |= BDRV_O_SNAPSHOT; |
9f7965c7 AL |
2323 | cache = 2; /* always use write-back with snapshot */ |
2324 | } | |
2325 | if (cache == 0) /* no caching */ | |
2326 | bdrv_flags |= BDRV_O_NOCACHE; | |
2327 | else if (cache == 2) /* write-back */ | |
2328 | bdrv_flags |= BDRV_O_CACHE_WB; | |
5c6c3a6c CH |
2329 | |
2330 | if (aio == 1) { | |
2331 | bdrv_flags |= BDRV_O_NATIVE_AIO; | |
2332 | } else { | |
2333 | bdrv_flags &= ~BDRV_O_NATIVE_AIO; | |
2334 | } | |
2335 | ||
1dae12e6 | 2336 | if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) { |
e4bcb14c TS |
2337 | fprintf(stderr, "qemu: could not open disk image %s\n", |
2338 | file); | |
751c6a17 | 2339 | return NULL; |
e4bcb14c | 2340 | } |
5c6c3a6c | 2341 | |
1dae12e6 | 2342 | if (bdrv_key_required(dinfo->bdrv)) |
c0f4ce77 | 2343 | autostart = 0; |
751c6a17 GH |
2344 | *fatal_error = 0; |
2345 | return dinfo; | |
e4bcb14c TS |
2346 | } |
2347 | ||
9dfd7c7a GH |
2348 | static int drive_init_func(QemuOpts *opts, void *opaque) |
2349 | { | |
2350 | QEMUMachine *machine = opaque; | |
2351 | int fatal_error = 0; | |
2352 | ||
2353 | if (drive_init(opts, machine, &fatal_error) == NULL) { | |
2354 | if (fatal_error) | |
2355 | return 1; | |
2356 | } | |
2357 | return 0; | |
2358 | } | |
2359 | ||
2360 | static int drive_enable_snapshot(QemuOpts *opts, void *opaque) | |
2361 | { | |
2362 | if (NULL == qemu_opt_get(opts, "snapshot")) { | |
2363 | qemu_opt_set(opts, "snapshot", "on"); | |
2364 | } | |
2365 | return 0; | |
2366 | } | |
2367 | ||
76e30d0f JK |
2368 | void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque) |
2369 | { | |
2370 | boot_set_handler = func; | |
2371 | boot_set_opaque = opaque; | |
2372 | } | |
2373 | ||
2374 | int qemu_boot_set(const char *boot_devices) | |
2375 | { | |
2376 | if (!boot_set_handler) { | |
2377 | return -EINVAL; | |
2378 | } | |
2379 | return boot_set_handler(boot_set_opaque, boot_devices); | |
2380 | } | |
2381 | ||
ef3adf68 JK |
2382 | static int parse_bootdevices(char *devices) |
2383 | { | |
2384 | /* We just do some generic consistency checks */ | |
2385 | const char *p; | |
2386 | int bitmap = 0; | |
2387 | ||
2388 | for (p = devices; *p != '\0'; p++) { | |
2389 | /* Allowed boot devices are: | |
2390 | * a-b: floppy disk drives | |
2391 | * c-f: IDE disk drives | |
2392 | * g-m: machine implementation dependant drives | |
2393 | * n-p: network devices | |
2394 | * It's up to each machine implementation to check if the given boot | |
2395 | * devices match the actual hardware implementation and firmware | |
2396 | * features. | |
2397 | */ | |
2398 | if (*p < 'a' || *p > 'p') { | |
2399 | fprintf(stderr, "Invalid boot device '%c'\n", *p); | |
2400 | exit(1); | |
2401 | } | |
2402 | if (bitmap & (1 << (*p - 'a'))) { | |
2403 | fprintf(stderr, "Boot device '%c' was given twice\n", *p); | |
2404 | exit(1); | |
2405 | } | |
2406 | bitmap |= 1 << (*p - 'a'); | |
2407 | } | |
2408 | return bitmap; | |
2409 | } | |
2410 | ||
e0f084bf JK |
2411 | static void restore_boot_devices(void *opaque) |
2412 | { | |
2413 | char *standard_boot_devices = opaque; | |
2414 | ||
2415 | qemu_boot_set(standard_boot_devices); | |
2416 | ||
2417 | qemu_unregister_reset(restore_boot_devices, standard_boot_devices); | |
2418 | qemu_free(standard_boot_devices); | |
2419 | } | |
2420 | ||
268a362c AL |
2421 | static void numa_add(const char *optarg) |
2422 | { | |
2423 | char option[128]; | |
2424 | char *endptr; | |
2425 | unsigned long long value, endvalue; | |
2426 | int nodenr; | |
2427 | ||
2428 | optarg = get_opt_name(option, 128, optarg, ',') + 1; | |
2429 | if (!strcmp(option, "node")) { | |
2430 | if (get_param_value(option, 128, "nodeid", optarg) == 0) { | |
2431 | nodenr = nb_numa_nodes; | |
2432 | } else { | |
2433 | nodenr = strtoull(option, NULL, 10); | |
2434 | } | |
2435 | ||
2436 | if (get_param_value(option, 128, "mem", optarg) == 0) { | |
2437 | node_mem[nodenr] = 0; | |
2438 | } else { | |
2439 | value = strtoull(option, &endptr, 0); | |
2440 | switch (*endptr) { | |
2441 | case 0: case 'M': case 'm': | |
2442 | value <<= 20; | |
2443 | break; | |
2444 | case 'G': case 'g': | |
2445 | value <<= 30; | |
2446 | break; | |
2447 | } | |
2448 | node_mem[nodenr] = value; | |
2449 | } | |
2450 | if (get_param_value(option, 128, "cpus", optarg) == 0) { | |
2451 | node_cpumask[nodenr] = 0; | |
2452 | } else { | |
2453 | value = strtoull(option, &endptr, 10); | |
2454 | if (value >= 64) { | |
2455 | value = 63; | |
2456 | fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n"); | |
2457 | } else { | |
2458 | if (*endptr == '-') { | |
2459 | endvalue = strtoull(endptr+1, &endptr, 10); | |
2460 | if (endvalue >= 63) { | |
2461 | endvalue = 62; | |
2462 | fprintf(stderr, | |
2463 | "only 63 CPUs in NUMA mode supported.\n"); | |
2464 | } | |
2465 | value = (1 << (endvalue + 1)) - (1 << value); | |
2466 | } else { | |
2467 | value = 1 << value; | |
2468 | } | |
2469 | } | |
2470 | node_cpumask[nodenr] = value; | |
2471 | } | |
2472 | nb_numa_nodes++; | |
2473 | } | |
2474 | return; | |
2475 | } | |
2476 | ||
dc6b1c09 AP |
2477 | static void smp_parse(const char *optarg) |
2478 | { | |
2479 | int smp, sockets = 0, threads = 0, cores = 0; | |
2480 | char *endptr; | |
2481 | char option[128]; | |
2482 | ||
2483 | smp = strtoul(optarg, &endptr, 10); | |
2484 | if (endptr != optarg) { | |
2485 | if (*endptr == ',') { | |
2486 | endptr++; | |
2487 | } | |
2488 | } | |
2489 | if (get_param_value(option, 128, "sockets", endptr) != 0) | |
2490 | sockets = strtoull(option, NULL, 10); | |
2491 | if (get_param_value(option, 128, "cores", endptr) != 0) | |
2492 | cores = strtoull(option, NULL, 10); | |
2493 | if (get_param_value(option, 128, "threads", endptr) != 0) | |
2494 | threads = strtoull(option, NULL, 10); | |
2495 | if (get_param_value(option, 128, "maxcpus", endptr) != 0) | |
2496 | max_cpus = strtoull(option, NULL, 10); | |
2497 | ||
2498 | /* compute missing values, prefer sockets over cores over threads */ | |
2499 | if (smp == 0 || sockets == 0) { | |
2500 | sockets = sockets > 0 ? sockets : 1; | |
2501 | cores = cores > 0 ? cores : 1; | |
2502 | threads = threads > 0 ? threads : 1; | |
2503 | if (smp == 0) { | |
2504 | smp = cores * threads * sockets; | |
2505 | } else { | |
2506 | sockets = smp / (cores * threads); | |
2507 | } | |
2508 | } else { | |
2509 | if (cores == 0) { | |
2510 | threads = threads > 0 ? threads : 1; | |
2511 | cores = smp / (sockets * threads); | |
2512 | } else { | |
2513 | if (sockets == 0) { | |
2514 | sockets = smp / (cores * threads); | |
2515 | } else { | |
2516 | threads = smp / (cores * sockets); | |
2517 | } | |
2518 | } | |
2519 | } | |
2520 | smp_cpus = smp; | |
2521 | smp_cores = cores > 0 ? cores : 1; | |
2522 | smp_threads = threads > 0 ? threads : 1; | |
2523 | if (max_cpus == 0) | |
2524 | max_cpus = smp_cpus; | |
2525 | } | |
2526 | ||
a594cfbf FB |
2527 | /***********************************************************/ |
2528 | /* USB devices */ | |
2529 | ||
bb5fc20f AL |
2530 | static void usb_msd_password_cb(void *opaque, int err) |
2531 | { | |
2532 | USBDevice *dev = opaque; | |
2533 | ||
2534 | if (!err) | |
a5d2f727 | 2535 | usb_device_attach(dev); |
bb5fc20f | 2536 | else |
806b6024 | 2537 | dev->info->handle_destroy(dev); |
bb5fc20f AL |
2538 | } |
2539 | ||
a5d2f727 GH |
2540 | static struct { |
2541 | const char *name; | |
2542 | const char *qdev; | |
2543 | } usbdevs[] = { | |
2544 | { | |
2545 | .name = "mouse", | |
2546 | .qdev = "QEMU USB Mouse", | |
2547 | },{ | |
2548 | .name = "tablet", | |
2549 | .qdev = "QEMU USB Tablet", | |
2550 | },{ | |
2551 | .name = "keyboard", | |
2552 | .qdev = "QEMU USB Keyboard", | |
2553 | },{ | |
2554 | .name = "wacom-tablet", | |
2555 | .qdev = "QEMU PenPartner Tablet", | |
2556 | } | |
2557 | }; | |
2558 | ||
c0f4ce77 | 2559 | static int usb_device_add(const char *devname, int is_hotplug) |
a594cfbf FB |
2560 | { |
2561 | const char *p; | |
a5d2f727 GH |
2562 | USBBus *bus = usb_bus_find(-1 /* any */); |
2563 | USBDevice *dev = NULL; | |
2564 | int i; | |
a594cfbf | 2565 | |
a5d2f727 | 2566 | if (!usb_enabled) |
a594cfbf FB |
2567 | return -1; |
2568 | ||
a5d2f727 GH |
2569 | /* simple devices which don't need extra care */ |
2570 | for (i = 0; i < ARRAY_SIZE(usbdevs); i++) { | |
2571 | if (strcmp(devname, usbdevs[i].name) != 0) | |
2572 | continue; | |
2573 | dev = usb_create_simple(bus, usbdevs[i].qdev); | |
2574 | goto done; | |
2575 | } | |
2576 | ||
2577 | /* the other ones */ | |
a594cfbf FB |
2578 | if (strstart(devname, "host:", &p)) { |
2579 | dev = usb_host_device_open(p); | |
2e5d83bb | 2580 | } else if (strstart(devname, "disk:", &p)) { |
c0f4ce77 AL |
2581 | BlockDriverState *bs; |
2582 | ||
bb5fc20f | 2583 | dev = usb_msd_init(p); |
c0f4ce77 AL |
2584 | if (!dev) |
2585 | return -1; | |
bb5fc20f | 2586 | bs = usb_msd_get_bdrv(dev); |
c0f4ce77 AL |
2587 | if (bdrv_key_required(bs)) { |
2588 | autostart = 0; | |
bb5fc20f | 2589 | if (is_hotplug) { |
376253ec AL |
2590 | monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb, |
2591 | dev); | |
bb5fc20f | 2592 | return 0; |
c0f4ce77 AL |
2593 | } |
2594 | } | |
a7954218 AZ |
2595 | } else if (strstart(devname, "serial:", &p)) { |
2596 | dev = usb_serial_init(p); | |
2e4d9fb1 AJ |
2597 | #ifdef CONFIG_BRLAPI |
2598 | } else if (!strcmp(devname, "braille")) { | |
2599 | dev = usb_baum_init(); | |
2600 | #endif | |
6c9f886c | 2601 | } else if (strstart(devname, "net:", &p)) { |
9ad97e65 | 2602 | int nic = nb_nics; |
6c9f886c | 2603 | |
10ae5a7a | 2604 | if (net_client_init(NULL, "nic", p) < 0) |
6c9f886c | 2605 | return -1; |
9ad97e65 AZ |
2606 | nd_table[nic].model = "usb"; |
2607 | dev = usb_net_init(&nd_table[nic]); | |
dc72ac14 AZ |
2608 | } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { |
2609 | dev = usb_bt_init(devname[2] ? hci_init(p) : | |
2610 | bt_new_hci(qemu_find_bt_vlan(0))); | |
a594cfbf FB |
2611 | } else { |
2612 | return -1; | |
2613 | } | |
0d92ed30 PB |
2614 | if (!dev) |
2615 | return -1; | |
2616 | ||
a5d2f727 | 2617 | done: |
a594cfbf FB |
2618 | return 0; |
2619 | } | |
2620 | ||
1f3870ab AL |
2621 | static int usb_device_del(const char *devname) |
2622 | { | |
2623 | int bus_num, addr; | |
2624 | const char *p; | |
2625 | ||
5d0c5750 AL |
2626 | if (strstart(devname, "host:", &p)) |
2627 | return usb_host_device_close(p); | |
2628 | ||
a5d2f727 | 2629 | if (!usb_enabled) |
1f3870ab AL |
2630 | return -1; |
2631 | ||
2632 | p = strchr(devname, '.'); | |
2633 | if (!p) | |
2634 | return -1; | |
2635 | bus_num = strtoul(devname, NULL, 0); | |
2636 | addr = strtoul(p + 1, NULL, 0); | |
2637 | ||
a5d2f727 | 2638 | return usb_device_delete_addr(bus_num, addr); |
1f3870ab AL |
2639 | } |
2640 | ||
bd3c948d GH |
2641 | static int usb_parse(const char *cmdline) |
2642 | { | |
2643 | return usb_device_add(cmdline, 0); | |
2644 | } | |
2645 | ||
d54908a5 | 2646 | void do_usb_add(Monitor *mon, const QDict *qdict) |
a594cfbf | 2647 | { |
d54908a5 | 2648 | usb_device_add(qdict_get_str(qdict, "devname"), 1); |
a594cfbf FB |
2649 | } |
2650 | ||
d54908a5 | 2651 | void do_usb_del(Monitor *mon, const QDict *qdict) |
a594cfbf | 2652 | { |
d54908a5 | 2653 | usb_device_del(qdict_get_str(qdict, "devname")); |
a594cfbf FB |
2654 | } |
2655 | ||
201a51fc AZ |
2656 | /***********************************************************/ |
2657 | /* PCMCIA/Cardbus */ | |
2658 | ||
2659 | static struct pcmcia_socket_entry_s { | |
bc24a225 | 2660 | PCMCIASocket *socket; |
201a51fc AZ |
2661 | struct pcmcia_socket_entry_s *next; |
2662 | } *pcmcia_sockets = 0; | |
2663 | ||
bc24a225 | 2664 | void pcmcia_socket_register(PCMCIASocket *socket) |
201a51fc AZ |
2665 | { |
2666 | struct pcmcia_socket_entry_s *entry; | |
2667 | ||
2668 | entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); | |
2669 | entry->socket = socket; | |
2670 | entry->next = pcmcia_sockets; | |
2671 | pcmcia_sockets = entry; | |
2672 | } | |
2673 | ||
bc24a225 | 2674 | void pcmcia_socket_unregister(PCMCIASocket *socket) |
201a51fc AZ |
2675 | { |
2676 | struct pcmcia_socket_entry_s *entry, **ptr; | |
2677 | ||
2678 | ptr = &pcmcia_sockets; | |
2679 | for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) | |
2680 | if (entry->socket == socket) { | |
2681 | *ptr = entry->next; | |
2682 | qemu_free(entry); | |
2683 | } | |
2684 | } | |
2685 | ||
376253ec | 2686 | void pcmcia_info(Monitor *mon) |
201a51fc AZ |
2687 | { |
2688 | struct pcmcia_socket_entry_s *iter; | |
376253ec | 2689 | |
201a51fc | 2690 | if (!pcmcia_sockets) |
376253ec | 2691 | monitor_printf(mon, "No PCMCIA sockets\n"); |
201a51fc AZ |
2692 | |
2693 | for (iter = pcmcia_sockets; iter; iter = iter->next) | |
376253ec AL |
2694 | monitor_printf(mon, "%s: %s\n", iter->socket->slot_string, |
2695 | iter->socket->attached ? iter->socket->card_string : | |
2696 | "Empty"); | |
201a51fc AZ |
2697 | } |
2698 | ||
2ff89790 | 2699 | /***********************************************************/ |
3023f332 AL |
2700 | /* register display */ |
2701 | ||
7b5d76da AL |
2702 | struct DisplayAllocator default_allocator = { |
2703 | defaultallocator_create_displaysurface, | |
2704 | defaultallocator_resize_displaysurface, | |
2705 | defaultallocator_free_displaysurface | |
2706 | }; | |
2707 | ||
3023f332 AL |
2708 | void register_displaystate(DisplayState *ds) |
2709 | { | |
2710 | DisplayState **s; | |
2711 | s = &display_state; | |
2712 | while (*s != NULL) | |
2713 | s = &(*s)->next; | |
2714 | ds->next = NULL; | |
2715 | *s = ds; | |
2716 | } | |
2717 | ||
2718 | DisplayState *get_displaystate(void) | |
2719 | { | |
2720 | return display_state; | |
2721 | } | |
2722 | ||
7b5d76da AL |
2723 | DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da) |
2724 | { | |
2725 | if(ds->allocator == &default_allocator) ds->allocator = da; | |
2726 | return ds->allocator; | |
2727 | } | |
2728 | ||
2ff89790 TS |
2729 | /* dumb display */ |
2730 | ||
8f391ab4 | 2731 | static void dumb_display_init(void) |
2ff89790 | 2732 | { |
8f391ab4 | 2733 | DisplayState *ds = qemu_mallocz(sizeof(DisplayState)); |
7b5d76da AL |
2734 | ds->allocator = &default_allocator; |
2735 | ds->surface = qemu_create_displaysurface(ds, 640, 480); | |
8f391ab4 | 2736 | register_displaystate(ds); |
2ff89790 TS |
2737 | } |
2738 | ||
8a7ddc38 FB |
2739 | /***********************************************************/ |
2740 | /* I/O handling */ | |
0824d6fc | 2741 | |
c4b1fcc0 FB |
2742 | typedef struct IOHandlerRecord { |
2743 | int fd; | |
7c9d8e07 FB |
2744 | IOCanRWHandler *fd_read_poll; |
2745 | IOHandler *fd_read; | |
2746 | IOHandler *fd_write; | |
cafffd40 | 2747 | int deleted; |
c4b1fcc0 FB |
2748 | void *opaque; |
2749 | /* temporary data */ | |
2750 | struct pollfd *ufd; | |
8a7ddc38 | 2751 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
2752 | } IOHandlerRecord; |
2753 | ||
8a7ddc38 | 2754 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 2755 | |
7c9d8e07 FB |
2756 | /* XXX: fd_read_poll should be suppressed, but an API change is |
2757 | necessary in the character devices to suppress fd_can_read(). */ | |
5fafdf24 TS |
2758 | int qemu_set_fd_handler2(int fd, |
2759 | IOCanRWHandler *fd_read_poll, | |
2760 | IOHandler *fd_read, | |
2761 | IOHandler *fd_write, | |
7c9d8e07 | 2762 | void *opaque) |
c4b1fcc0 | 2763 | { |
7c9d8e07 | 2764 | IOHandlerRecord **pioh, *ioh; |
c4b1fcc0 | 2765 | |
7c9d8e07 FB |
2766 | if (!fd_read && !fd_write) { |
2767 | pioh = &first_io_handler; | |
2768 | for(;;) { | |
2769 | ioh = *pioh; | |
2770 | if (ioh == NULL) | |
2771 | break; | |
2772 | if (ioh->fd == fd) { | |
cafffd40 | 2773 | ioh->deleted = 1; |
7c9d8e07 FB |
2774 | break; |
2775 | } | |
2776 | pioh = &ioh->next; | |
2777 | } | |
2778 | } else { | |
2779 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
2780 | if (ioh->fd == fd) | |
2781 | goto found; | |
2782 | } | |
2783 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
7c9d8e07 FB |
2784 | ioh->next = first_io_handler; |
2785 | first_io_handler = ioh; | |
2786 | found: | |
2787 | ioh->fd = fd; | |
2788 | ioh->fd_read_poll = fd_read_poll; | |
2789 | ioh->fd_read = fd_read; | |
2790 | ioh->fd_write = fd_write; | |
2791 | ioh->opaque = opaque; | |
cafffd40 | 2792 | ioh->deleted = 0; |
7c9d8e07 | 2793 | } |
c4b1fcc0 FB |
2794 | return 0; |
2795 | } | |
2796 | ||
5fafdf24 TS |
2797 | int qemu_set_fd_handler(int fd, |
2798 | IOHandler *fd_read, | |
2799 | IOHandler *fd_write, | |
7c9d8e07 | 2800 | void *opaque) |
8a7ddc38 | 2801 | { |
7c9d8e07 | 2802 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
8a7ddc38 FB |
2803 | } |
2804 | ||
56f3a5d0 | 2805 | #ifdef _WIN32 |
f331110f FB |
2806 | /***********************************************************/ |
2807 | /* Polling handling */ | |
2808 | ||
2809 | typedef struct PollingEntry { | |
2810 | PollingFunc *func; | |
2811 | void *opaque; | |
2812 | struct PollingEntry *next; | |
2813 | } PollingEntry; | |
2814 | ||
2815 | static PollingEntry *first_polling_entry; | |
2816 | ||
2817 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) | |
2818 | { | |
2819 | PollingEntry **ppe, *pe; | |
2820 | pe = qemu_mallocz(sizeof(PollingEntry)); | |
f331110f FB |
2821 | pe->func = func; |
2822 | pe->opaque = opaque; | |
2823 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); | |
2824 | *ppe = pe; | |
2825 | return 0; | |
2826 | } | |
2827 | ||
2828 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) | |
2829 | { | |
2830 | PollingEntry **ppe, *pe; | |
2831 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { | |
2832 | pe = *ppe; | |
2833 | if (pe->func == func && pe->opaque == opaque) { | |
2834 | *ppe = pe->next; | |
2835 | qemu_free(pe); | |
2836 | break; | |
2837 | } | |
2838 | } | |
2839 | } | |
2840 | ||
a18e524a FB |
2841 | /***********************************************************/ |
2842 | /* Wait objects support */ | |
2843 | typedef struct WaitObjects { | |
2844 | int num; | |
2845 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; | |
2846 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; | |
2847 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; | |
2848 | } WaitObjects; | |
2849 | ||
2850 | static WaitObjects wait_objects = {0}; | |
3b46e624 | 2851 | |
a18e524a FB |
2852 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
2853 | { | |
2854 | WaitObjects *w = &wait_objects; | |
2855 | ||
2856 | if (w->num >= MAXIMUM_WAIT_OBJECTS) | |
2857 | return -1; | |
2858 | w->events[w->num] = handle; | |
2859 | w->func[w->num] = func; | |
2860 | w->opaque[w->num] = opaque; | |
2861 | w->num++; | |
2862 | return 0; | |
2863 | } | |
2864 | ||
2865 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
2866 | { | |
2867 | int i, found; | |
2868 | WaitObjects *w = &wait_objects; | |
2869 | ||
2870 | found = 0; | |
2871 | for (i = 0; i < w->num; i++) { | |
2872 | if (w->events[i] == handle) | |
2873 | found = 1; | |
2874 | if (found) { | |
2875 | w->events[i] = w->events[i + 1]; | |
2876 | w->func[i] = w->func[i + 1]; | |
2877 | w->opaque[i] = w->opaque[i + 1]; | |
3b46e624 | 2878 | } |
a18e524a FB |
2879 | } |
2880 | if (found) | |
2881 | w->num--; | |
2882 | } | |
2883 | #endif | |
2884 | ||
8a7ddc38 FB |
2885 | /***********************************************************/ |
2886 | /* ram save/restore */ | |
2887 | ||
94fb0909 | 2888 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
475e4277 AL |
2889 | #define RAM_SAVE_FLAG_COMPRESS 0x02 |
2890 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
2891 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
2892 | #define RAM_SAVE_FLAG_EOS 0x10 | |
2893 | ||
2894 | static int is_dup_page(uint8_t *page, uint8_t ch) | |
8a7ddc38 | 2895 | { |
475e4277 AL |
2896 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
2897 | uint32_t *array = (uint32_t *)page; | |
2898 | int i; | |
3b46e624 | 2899 | |
475e4277 AL |
2900 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
2901 | if (array[i] != val) | |
2902 | return 0; | |
2903 | } | |
2904 | ||
2905 | return 1; | |
2906 | } | |
2907 | ||
2908 | static int ram_save_block(QEMUFile *f) | |
2909 | { | |
c227f099 AL |
2910 | static ram_addr_t current_addr = 0; |
2911 | ram_addr_t saved_addr = current_addr; | |
2912 | ram_addr_t addr = 0; | |
475e4277 AL |
2913 | int found = 0; |
2914 | ||
94a6b54f | 2915 | while (addr < last_ram_offset) { |
475e4277 | 2916 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { |
5579c7f3 | 2917 | uint8_t *p; |
475e4277 AL |
2918 | |
2919 | cpu_physical_memory_reset_dirty(current_addr, | |
2920 | current_addr + TARGET_PAGE_SIZE, | |
2921 | MIGRATION_DIRTY_FLAG); | |
2922 | ||
5579c7f3 | 2923 | p = qemu_get_ram_ptr(current_addr); |
475e4277 | 2924 | |
5579c7f3 | 2925 | if (is_dup_page(p, *p)) { |
475e4277 | 2926 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
5579c7f3 | 2927 | qemu_put_byte(f, *p); |
475e4277 AL |
2928 | } else { |
2929 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); | |
5579c7f3 | 2930 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
c88676f8 | 2931 | } |
475e4277 AL |
2932 | |
2933 | found = 1; | |
2934 | break; | |
c88676f8 | 2935 | } |
475e4277 | 2936 | addr += TARGET_PAGE_SIZE; |
94a6b54f | 2937 | current_addr = (saved_addr + addr) % last_ram_offset; |
8a7ddc38 | 2938 | } |
475e4277 AL |
2939 | |
2940 | return found; | |
8a7ddc38 FB |
2941 | } |
2942 | ||
9f9e28cd | 2943 | static uint64_t bytes_transferred = 0; |
475e4277 | 2944 | |
c227f099 | 2945 | static ram_addr_t ram_save_remaining(void) |
475e4277 | 2946 | { |
c227f099 AL |
2947 | ram_addr_t addr; |
2948 | ram_addr_t count = 0; | |
475e4277 | 2949 | |
94a6b54f | 2950 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
475e4277 AL |
2951 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
2952 | count++; | |
2953 | } | |
2954 | ||
2955 | return count; | |
2956 | } | |
2957 | ||
9f9e28cd GC |
2958 | uint64_t ram_bytes_remaining(void) |
2959 | { | |
2960 | return ram_save_remaining() * TARGET_PAGE_SIZE; | |
2961 | } | |
2962 | ||
2963 | uint64_t ram_bytes_transferred(void) | |
2964 | { | |
2965 | return bytes_transferred; | |
2966 | } | |
2967 | ||
2968 | uint64_t ram_bytes_total(void) | |
2969 | { | |
2970 | return last_ram_offset; | |
2971 | } | |
2972 | ||
475e4277 AL |
2973 | static int ram_save_live(QEMUFile *f, int stage, void *opaque) |
2974 | { | |
c227f099 | 2975 | ram_addr_t addr; |
a0a3fd60 GC |
2976 | uint64_t bytes_transferred_last; |
2977 | double bwidth = 0; | |
2978 | uint64_t expected_time = 0; | |
475e4277 | 2979 | |
9fa06385 | 2980 | if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { |
b0a46a33 JK |
2981 | qemu_file_set_error(f); |
2982 | return 0; | |
2983 | } | |
2984 | ||
475e4277 AL |
2985 | if (stage == 1) { |
2986 | /* Make sure all dirty bits are set */ | |
94a6b54f | 2987 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
475e4277 AL |
2988 | if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
2989 | cpu_physical_memory_set_dirty(addr); | |
2990 | } | |
b0a46a33 | 2991 | |
475e4277 AL |
2992 | /* Enable dirty memory tracking */ |
2993 | cpu_physical_memory_set_dirty_tracking(1); | |
2994 | ||
94a6b54f | 2995 | qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE); |
475e4277 AL |
2996 | } |
2997 | ||
a0a3fd60 GC |
2998 | bytes_transferred_last = bytes_transferred; |
2999 | bwidth = get_clock(); | |
3000 | ||
475e4277 AL |
3001 | while (!qemu_file_rate_limit(f)) { |
3002 | int ret; | |
3003 | ||
3004 | ret = ram_save_block(f); | |
9f9e28cd | 3005 | bytes_transferred += ret * TARGET_PAGE_SIZE; |
475e4277 AL |
3006 | if (ret == 0) /* no more blocks */ |
3007 | break; | |
3008 | } | |
3009 | ||
a0a3fd60 GC |
3010 | bwidth = get_clock() - bwidth; |
3011 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; | |
3012 | ||
3013 | /* if we haven't transferred anything this round, force expected_time to a | |
3014 | * a very high value, but without crashing */ | |
3015 | if (bwidth == 0) | |
3016 | bwidth = 0.000001; | |
3017 | ||
475e4277 AL |
3018 | /* try transferring iterative blocks of memory */ |
3019 | ||
3020 | if (stage == 3) { | |
475e4277 AL |
3021 | |
3022 | /* flush all remaining blocks regardless of rate limiting */ | |
9f9e28cd GC |
3023 | while (ram_save_block(f) != 0) { |
3024 | bytes_transferred += TARGET_PAGE_SIZE; | |
3025 | } | |
8215e914 | 3026 | cpu_physical_memory_set_dirty_tracking(0); |
475e4277 AL |
3027 | } |
3028 | ||
3029 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); | |
3030 | ||
a0a3fd60 GC |
3031 | expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
3032 | ||
3033 | return (stage == 2) && (expected_time <= migrate_max_downtime()); | |
475e4277 AL |
3034 | } |
3035 | ||
475e4277 AL |
3036 | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
3037 | { | |
c227f099 | 3038 | ram_addr_t addr; |
475e4277 AL |
3039 | int flags; |
3040 | ||
475e4277 AL |
3041 | if (version_id != 3) |
3042 | return -EINVAL; | |
3043 | ||
3044 | do { | |
3045 | addr = qemu_get_be64(f); | |
3046 | ||
3047 | flags = addr & ~TARGET_PAGE_MASK; | |
3048 | addr &= TARGET_PAGE_MASK; | |
3049 | ||
3050 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
94a6b54f | 3051 | if (addr != last_ram_offset) |
475e4277 AL |
3052 | return -EINVAL; |
3053 | } | |
3054 | ||
475e4277 AL |
3055 | if (flags & RAM_SAVE_FLAG_COMPRESS) { |
3056 | uint8_t ch = qemu_get_byte(f); | |
779c6bef AL |
3057 | memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); |
3058 | #ifndef _WIN32 | |
30868442 AL |
3059 | if (ch == 0 && |
3060 | (!kvm_enabled() || kvm_has_sync_mmu())) { | |
3061 | madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED); | |
779c6bef | 3062 | } |
30868442 | 3063 | #endif |
475e4277 | 3064 | } else if (flags & RAM_SAVE_FLAG_PAGE) |
5579c7f3 | 3065 | qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); |
475e4277 AL |
3066 | } while (!(flags & RAM_SAVE_FLAG_EOS)); |
3067 | ||
8a7ddc38 FB |
3068 | return 0; |
3069 | } | |
3070 | ||
9e472e10 AL |
3071 | void qemu_service_io(void) |
3072 | { | |
d9f75a4e | 3073 | qemu_notify_event(); |
9e472e10 AL |
3074 | } |
3075 | ||
83f64091 FB |
3076 | /***********************************************************/ |
3077 | /* bottom halves (can be seen as timers which expire ASAP) */ | |
3078 | ||
3079 | struct QEMUBH { | |
3080 | QEMUBHFunc *cb; | |
3081 | void *opaque; | |
3082 | int scheduled; | |
1b435b10 AL |
3083 | int idle; |
3084 | int deleted; | |
83f64091 FB |
3085 | QEMUBH *next; |
3086 | }; | |
3087 | ||
3088 | static QEMUBH *first_bh = NULL; | |
3089 | ||
3090 | QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque) | |
3091 | { | |
3092 | QEMUBH *bh; | |
3093 | bh = qemu_mallocz(sizeof(QEMUBH)); | |
83f64091 FB |
3094 | bh->cb = cb; |
3095 | bh->opaque = opaque; | |
1b435b10 AL |
3096 | bh->next = first_bh; |
3097 | first_bh = bh; | |
83f64091 FB |
3098 | return bh; |
3099 | } | |
3100 | ||
6eb5733a | 3101 | int qemu_bh_poll(void) |
83f64091 | 3102 | { |
1b435b10 | 3103 | QEMUBH *bh, **bhp; |
6eb5733a | 3104 | int ret; |
83f64091 | 3105 | |
6eb5733a | 3106 | ret = 0; |
1b435b10 AL |
3107 | for (bh = first_bh; bh; bh = bh->next) { |
3108 | if (!bh->deleted && bh->scheduled) { | |
3109 | bh->scheduled = 0; | |
3110 | if (!bh->idle) | |
3111 | ret = 1; | |
3112 | bh->idle = 0; | |
3113 | bh->cb(bh->opaque); | |
3114 | } | |
83f64091 | 3115 | } |
1b435b10 AL |
3116 | |
3117 | /* remove deleted bhs */ | |
3118 | bhp = &first_bh; | |
3119 | while (*bhp) { | |
3120 | bh = *bhp; | |
3121 | if (bh->deleted) { | |
3122 | *bhp = bh->next; | |
3123 | qemu_free(bh); | |
3124 | } else | |
3125 | bhp = &bh->next; | |
3126 | } | |
3127 | ||
6eb5733a | 3128 | return ret; |
83f64091 FB |
3129 | } |
3130 | ||
1b435b10 AL |
3131 | void qemu_bh_schedule_idle(QEMUBH *bh) |
3132 | { | |
3133 | if (bh->scheduled) | |
3134 | return; | |
3135 | bh->scheduled = 1; | |
3136 | bh->idle = 1; | |
3137 | } | |
3138 | ||
83f64091 FB |
3139 | void qemu_bh_schedule(QEMUBH *bh) |
3140 | { | |
83f64091 FB |
3141 | if (bh->scheduled) |
3142 | return; | |
3143 | bh->scheduled = 1; | |
1b435b10 | 3144 | bh->idle = 0; |
83f64091 | 3145 | /* stop the currently executing CPU to execute the BH ASAP */ |
d9f75a4e | 3146 | qemu_notify_event(); |
83f64091 FB |
3147 | } |
3148 | ||
3149 | void qemu_bh_cancel(QEMUBH *bh) | |
3150 | { | |
1b435b10 | 3151 | bh->scheduled = 0; |
83f64091 FB |
3152 | } |
3153 | ||
3154 | void qemu_bh_delete(QEMUBH *bh) | |
3155 | { | |
1b435b10 AL |
3156 | bh->scheduled = 0; |
3157 | bh->deleted = 1; | |
83f64091 FB |
3158 | } |
3159 | ||
56f3a5d0 AL |
3160 | static void qemu_bh_update_timeout(int *timeout) |
3161 | { | |
3162 | QEMUBH *bh; | |
3163 | ||
3164 | for (bh = first_bh; bh; bh = bh->next) { | |
3165 | if (!bh->deleted && bh->scheduled) { | |
3166 | if (bh->idle) { | |
3167 | /* idle bottom halves will be polled at least | |
3168 | * every 10ms */ | |
3169 | *timeout = MIN(10, *timeout); | |
3170 | } else { | |
3171 | /* non-idle bottom halves will be executed | |
3172 | * immediately */ | |
3173 | *timeout = 0; | |
3174 | break; | |
3175 | } | |
3176 | } | |
3177 | } | |
3178 | } | |
3179 | ||
cc1daa40 FB |
3180 | /***********************************************************/ |
3181 | /* machine registration */ | |
3182 | ||
bdaf78e0 | 3183 | static QEMUMachine *first_machine = NULL; |
6f338c34 | 3184 | QEMUMachine *current_machine = NULL; |
cc1daa40 FB |
3185 | |
3186 | int qemu_register_machine(QEMUMachine *m) | |
3187 | { | |
3188 | QEMUMachine **pm; | |
3189 | pm = &first_machine; | |
3190 | while (*pm != NULL) | |
3191 | pm = &(*pm)->next; | |
3192 | m->next = NULL; | |
3193 | *pm = m; | |
3194 | return 0; | |
3195 | } | |
3196 | ||
9596ebb7 | 3197 | static QEMUMachine *find_machine(const char *name) |
cc1daa40 FB |
3198 | { |
3199 | QEMUMachine *m; | |
3200 | ||
3201 | for(m = first_machine; m != NULL; m = m->next) { | |
3202 | if (!strcmp(m->name, name)) | |
3203 | return m; | |
3f6599e6 MM |
3204 | if (m->alias && !strcmp(m->alias, name)) |
3205 | return m; | |
cc1daa40 FB |
3206 | } |
3207 | return NULL; | |
3208 | } | |
3209 | ||
0c257437 AL |
3210 | static QEMUMachine *find_default_machine(void) |
3211 | { | |
3212 | QEMUMachine *m; | |
3213 | ||
3214 | for(m = first_machine; m != NULL; m = m->next) { | |
3215 | if (m->is_default) { | |
3216 | return m; | |
3217 | } | |
3218 | } | |
3219 | return NULL; | |
3220 | } | |
3221 | ||
8a7ddc38 FB |
3222 | /***********************************************************/ |
3223 | /* main execution loop */ | |
3224 | ||
9596ebb7 | 3225 | static void gui_update(void *opaque) |
8a7ddc38 | 3226 | { |
7d957bd8 | 3227 | uint64_t interval = GUI_REFRESH_INTERVAL; |
740733bb | 3228 | DisplayState *ds = opaque; |
7d957bd8 AL |
3229 | DisplayChangeListener *dcl = ds->listeners; |
3230 | ||
3231 | dpy_refresh(ds); | |
3232 | ||
3233 | while (dcl != NULL) { | |
3234 | if (dcl->gui_timer_interval && | |
3235 | dcl->gui_timer_interval < interval) | |
3236 | interval = dcl->gui_timer_interval; | |
3237 | dcl = dcl->next; | |
3238 | } | |
3239 | qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock)); | |
8a7ddc38 FB |
3240 | } |
3241 | ||
9043b62d BS |
3242 | static void nographic_update(void *opaque) |
3243 | { | |
3244 | uint64_t interval = GUI_REFRESH_INTERVAL; | |
3245 | ||
3246 | qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock)); | |
3247 | } | |
3248 | ||
0bd48850 FB |
3249 | struct vm_change_state_entry { |
3250 | VMChangeStateHandler *cb; | |
3251 | void *opaque; | |
72cf2d4f | 3252 | QLIST_ENTRY (vm_change_state_entry) entries; |
0bd48850 FB |
3253 | }; |
3254 | ||
72cf2d4f | 3255 | static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; |
0bd48850 FB |
3256 | |
3257 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
3258 | void *opaque) | |
3259 | { | |
3260 | VMChangeStateEntry *e; | |
3261 | ||
3262 | e = qemu_mallocz(sizeof (*e)); | |
0bd48850 FB |
3263 | |
3264 | e->cb = cb; | |
3265 | e->opaque = opaque; | |
72cf2d4f | 3266 | QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
0bd48850 FB |
3267 | return e; |
3268 | } | |
3269 | ||
3270 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
3271 | { | |
72cf2d4f | 3272 | QLIST_REMOVE (e, entries); |
0bd48850 FB |
3273 | qemu_free (e); |
3274 | } | |
3275 | ||
9781e040 | 3276 | static void vm_state_notify(int running, int reason) |
0bd48850 FB |
3277 | { |
3278 | VMChangeStateEntry *e; | |
3279 | ||
3280 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
9781e040 | 3281 | e->cb(e->opaque, running, reason); |
0bd48850 FB |
3282 | } |
3283 | } | |
3284 | ||
d6dc3d42 AL |
3285 | static void resume_all_vcpus(void); |
3286 | static void pause_all_vcpus(void); | |
3287 | ||
8a7ddc38 FB |
3288 | void vm_start(void) |
3289 | { | |
3290 | if (!vm_running) { | |
3291 | cpu_enable_ticks(); | |
3292 | vm_running = 1; | |
9781e040 | 3293 | vm_state_notify(1, 0); |
efe75411 | 3294 | qemu_rearm_alarm_timer(alarm_timer); |
d6dc3d42 | 3295 | resume_all_vcpus(); |
8a7ddc38 FB |
3296 | } |
3297 | } | |
3298 | ||
bb0c6722 FB |
3299 | /* reset/shutdown handler */ |
3300 | ||
3301 | typedef struct QEMUResetEntry { | |
72cf2d4f | 3302 | QTAILQ_ENTRY(QEMUResetEntry) entry; |
bb0c6722 FB |
3303 | QEMUResetHandler *func; |
3304 | void *opaque; | |
bb0c6722 FB |
3305 | } QEMUResetEntry; |
3306 | ||
72cf2d4f BS |
3307 | static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers = |
3308 | QTAILQ_HEAD_INITIALIZER(reset_handlers); | |
bb0c6722 FB |
3309 | static int reset_requested; |
3310 | static int shutdown_requested; | |
3475187d | 3311 | static int powerdown_requested; |
e568902a | 3312 | static int debug_requested; |
6e29f5da | 3313 | static int vmstop_requested; |
bb0c6722 | 3314 | |
cf7a2fe2 AJ |
3315 | int qemu_shutdown_requested(void) |
3316 | { | |
3317 | int r = shutdown_requested; | |
3318 | shutdown_requested = 0; | |
3319 | return r; | |
3320 | } | |
3321 | ||
3322 | int qemu_reset_requested(void) | |
3323 | { | |
3324 | int r = reset_requested; | |
3325 | reset_requested = 0; | |
3326 | return r; | |
3327 | } | |
3328 | ||
3329 | int qemu_powerdown_requested(void) | |
3330 | { | |
3331 | int r = powerdown_requested; | |
3332 | powerdown_requested = 0; | |
3333 | return r; | |
3334 | } | |
3335 | ||
e568902a AL |
3336 | static int qemu_debug_requested(void) |
3337 | { | |
3338 | int r = debug_requested; | |
3339 | debug_requested = 0; | |
3340 | return r; | |
3341 | } | |
3342 | ||
6e29f5da AL |
3343 | static int qemu_vmstop_requested(void) |
3344 | { | |
3345 | int r = vmstop_requested; | |
3346 | vmstop_requested = 0; | |
3347 | return r; | |
3348 | } | |
3349 | ||
3350 | static void do_vm_stop(int reason) | |
3351 | { | |
3352 | if (vm_running) { | |
3353 | cpu_disable_ticks(); | |
3354 | vm_running = 0; | |
d6dc3d42 | 3355 | pause_all_vcpus(); |
6e29f5da AL |
3356 | vm_state_notify(0, reason); |
3357 | } | |
3358 | } | |
3359 | ||
a08d4367 | 3360 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
bb0c6722 | 3361 | { |
55ddfe8e | 3362 | QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry)); |
bb0c6722 | 3363 | |
bb0c6722 FB |
3364 | re->func = func; |
3365 | re->opaque = opaque; | |
72cf2d4f | 3366 | QTAILQ_INSERT_TAIL(&reset_handlers, re, entry); |
bb0c6722 FB |
3367 | } |
3368 | ||
dda9b29f | 3369 | void qemu_unregister_reset(QEMUResetHandler *func, void *opaque) |
bb0c6722 FB |
3370 | { |
3371 | QEMUResetEntry *re; | |
3372 | ||
72cf2d4f | 3373 | QTAILQ_FOREACH(re, &reset_handlers, entry) { |
dda9b29f | 3374 | if (re->func == func && re->opaque == opaque) { |
72cf2d4f | 3375 | QTAILQ_REMOVE(&reset_handlers, re, entry); |
dda9b29f JK |
3376 | qemu_free(re); |
3377 | return; | |
3378 | } | |
3379 | } | |
3380 | } | |
3381 | ||
3382 | void qemu_system_reset(void) | |
3383 | { | |
3384 | QEMUResetEntry *re, *nre; | |
3385 | ||
3386 | /* reset all devices */ | |
72cf2d4f | 3387 | QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) { |
bb0c6722 FB |
3388 | re->func(re->opaque); |
3389 | } | |
3390 | } | |
3391 | ||
3392 | void qemu_system_reset_request(void) | |
3393 | { | |
d1beab82 FB |
3394 | if (no_reboot) { |
3395 | shutdown_requested = 1; | |
3396 | } else { | |
3397 | reset_requested = 1; | |
3398 | } | |
d9f75a4e | 3399 | qemu_notify_event(); |
bb0c6722 FB |
3400 | } |
3401 | ||
3402 | void qemu_system_shutdown_request(void) | |
3403 | { | |
3404 | shutdown_requested = 1; | |
d9f75a4e | 3405 | qemu_notify_event(); |
bb0c6722 FB |
3406 | } |
3407 | ||
3475187d FB |
3408 | void qemu_system_powerdown_request(void) |
3409 | { | |
3410 | powerdown_requested = 1; | |
d9f75a4e AL |
3411 | qemu_notify_event(); |
3412 | } | |
3413 | ||
d6dc3d42 AL |
3414 | #ifdef CONFIG_IOTHREAD |
3415 | static void qemu_system_vmstop_request(int reason) | |
d9f75a4e | 3416 | { |
d6dc3d42 AL |
3417 | vmstop_requested = reason; |
3418 | qemu_notify_event(); | |
bb0c6722 | 3419 | } |
d6dc3d42 | 3420 | #endif |
bb0c6722 | 3421 | |
50317c7f AL |
3422 | #ifndef _WIN32 |
3423 | static int io_thread_fd = -1; | |
3424 | ||
3425 | static void qemu_event_increment(void) | |
3fcf7b6b | 3426 | { |
50317c7f AL |
3427 | static const char byte = 0; |
3428 | ||
3429 | if (io_thread_fd == -1) | |
3430 | return; | |
3431 | ||
3432 | write(io_thread_fd, &byte, sizeof(byte)); | |
3433 | } | |
3434 | ||
3435 | static void qemu_event_read(void *opaque) | |
3436 | { | |
3437 | int fd = (unsigned long)opaque; | |
3438 | ssize_t len; | |
3439 | ||
3440 | /* Drain the notify pipe */ | |
3441 | do { | |
3442 | char buffer[512]; | |
3443 | len = read(fd, buffer, sizeof(buffer)); | |
3444 | } while ((len == -1 && errno == EINTR) || len > 0); | |
3445 | } | |
3446 | ||
3447 | static int qemu_event_init(void) | |
3448 | { | |
3449 | int err; | |
3450 | int fds[2]; | |
3451 | ||
3452 | err = pipe(fds); | |
3453 | if (err == -1) | |
3454 | return -errno; | |
3455 | ||
3456 | err = fcntl_setfl(fds[0], O_NONBLOCK); | |
3457 | if (err < 0) | |
3458 | goto fail; | |
3459 | ||
3460 | err = fcntl_setfl(fds[1], O_NONBLOCK); | |
3461 | if (err < 0) | |
3462 | goto fail; | |
3463 | ||
3464 | qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL, | |
3465 | (void *)(unsigned long)fds[0]); | |
3466 | ||
3467 | io_thread_fd = fds[1]; | |
a7e21219 JK |
3468 | return 0; |
3469 | ||
50317c7f AL |
3470 | fail: |
3471 | close(fds[0]); | |
3472 | close(fds[1]); | |
3473 | return err; | |
3474 | } | |
3475 | #else | |
3476 | HANDLE qemu_event_handle; | |
3477 | ||
3478 | static void dummy_event_handler(void *opaque) | |
3479 | { | |
3480 | } | |
3481 | ||
3482 | static int qemu_event_init(void) | |
3483 | { | |
3484 | qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL); | |
3485 | if (!qemu_event_handle) { | |
20889d4e | 3486 | fprintf(stderr, "Failed CreateEvent: %ld\n", GetLastError()); |
50317c7f AL |
3487 | return -1; |
3488 | } | |
3489 | qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL); | |
3fcf7b6b AL |
3490 | return 0; |
3491 | } | |
3492 | ||
50317c7f AL |
3493 | static void qemu_event_increment(void) |
3494 | { | |
de1c90cf | 3495 | if (!SetEvent(qemu_event_handle)) { |
20889d4e | 3496 | fprintf(stderr, "qemu_event_increment: SetEvent failed: %ld\n", |
de1c90cf | 3497 | GetLastError()); |
3498 | exit (1); | |
3499 | } | |
50317c7f AL |
3500 | } |
3501 | #endif | |
3502 | ||
d6dc3d42 AL |
3503 | static int cpu_can_run(CPUState *env) |
3504 | { | |
3505 | if (env->stop) | |
3506 | return 0; | |
3507 | if (env->stopped) | |
3508 | return 0; | |
3509 | return 1; | |
3510 | } | |
3511 | ||
3512 | #ifndef CONFIG_IOTHREAD | |
50317c7f AL |
3513 | static int qemu_init_main_loop(void) |
3514 | { | |
3515 | return qemu_event_init(); | |
3516 | } | |
3517 | ||
0bf46a40 AL |
3518 | void qemu_init_vcpu(void *_env) |
3519 | { | |
3520 | CPUState *env = _env; | |
3521 | ||
3522 | if (kvm_enabled()) | |
3523 | kvm_init_vcpu(env); | |
dc6b1c09 AP |
3524 | env->nr_cores = smp_cores; |
3525 | env->nr_threads = smp_threads; | |
0bf46a40 AL |
3526 | return; |
3527 | } | |
3528 | ||
8edac960 AL |
3529 | int qemu_cpu_self(void *env) |
3530 | { | |
3531 | return 1; | |
3532 | } | |
3533 | ||
d6dc3d42 AL |
3534 | static void resume_all_vcpus(void) |
3535 | { | |
3536 | } | |
3537 | ||
3538 | static void pause_all_vcpus(void) | |
3539 | { | |
3540 | } | |
3541 | ||
8edac960 AL |
3542 | void qemu_cpu_kick(void *env) |
3543 | { | |
3544 | return; | |
3545 | } | |
3546 | ||
d6dc3d42 AL |
3547 | void qemu_notify_event(void) |
3548 | { | |
3549 | CPUState *env = cpu_single_env; | |
3550 | ||
3551 | if (env) { | |
3552 | cpu_exit(env); | |
4a1418e0 | 3553 | } |
d6dc3d42 AL |
3554 | } |
3555 | ||
4870852c AL |
3556 | #define qemu_mutex_lock_iothread() do { } while (0) |
3557 | #define qemu_mutex_unlock_iothread() do { } while (0) | |
3558 | ||
6e29f5da AL |
3559 | void vm_stop(int reason) |
3560 | { | |
3561 | do_vm_stop(reason); | |
3562 | } | |
3563 | ||
d6dc3d42 AL |
3564 | #else /* CONFIG_IOTHREAD */ |
3565 | ||
3566 | #include "qemu-thread.h" | |
3567 | ||
3568 | QemuMutex qemu_global_mutex; | |
3569 | static QemuMutex qemu_fair_mutex; | |
3570 | ||
3571 | static QemuThread io_thread; | |
3572 | ||
3573 | static QemuThread *tcg_cpu_thread; | |
3574 | static QemuCond *tcg_halt_cond; | |
3575 | ||
3576 | static int qemu_system_ready; | |
3577 | /* cpu creation */ | |
3578 | static QemuCond qemu_cpu_cond; | |
3579 | /* system init */ | |
3580 | static QemuCond qemu_system_cond; | |
3581 | static QemuCond qemu_pause_cond; | |
3582 | ||
3583 | static void block_io_signals(void); | |
3584 | static void unblock_io_signals(void); | |
3585 | static int tcg_has_work(void); | |
3586 | ||
3587 | static int qemu_init_main_loop(void) | |
3588 | { | |
3589 | int ret; | |
3590 | ||
3591 | ret = qemu_event_init(); | |
3592 | if (ret) | |
3593 | return ret; | |
3594 | ||
3595 | qemu_cond_init(&qemu_pause_cond); | |
3596 | qemu_mutex_init(&qemu_fair_mutex); | |
3597 | qemu_mutex_init(&qemu_global_mutex); | |
3598 | qemu_mutex_lock(&qemu_global_mutex); | |
3599 | ||
3600 | unblock_io_signals(); | |
3601 | qemu_thread_self(&io_thread); | |
3602 | ||
3603 | return 0; | |
3604 | } | |
3605 | ||
3606 | static void qemu_wait_io_event(CPUState *env) | |
3607 | { | |
3608 | while (!tcg_has_work()) | |
3609 | qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000); | |
3610 | ||
3611 | qemu_mutex_unlock(&qemu_global_mutex); | |
3612 | ||
3613 | /* | |
3614 | * Users of qemu_global_mutex can be starved, having no chance | |
3615 | * to acquire it since this path will get to it first. | |
3616 | * So use another lock to provide fairness. | |
3617 | */ | |
3618 | qemu_mutex_lock(&qemu_fair_mutex); | |
3619 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3620 | ||
3621 | qemu_mutex_lock(&qemu_global_mutex); | |
3622 | if (env->stop) { | |
3623 | env->stop = 0; | |
3624 | env->stopped = 1; | |
3625 | qemu_cond_signal(&qemu_pause_cond); | |
3626 | } | |
3627 | } | |
3628 | ||
3629 | static int qemu_cpu_exec(CPUState *env); | |
3630 | ||
3631 | static void *kvm_cpu_thread_fn(void *arg) | |
3632 | { | |
3633 | CPUState *env = arg; | |
3634 | ||
3635 | block_io_signals(); | |
3636 | qemu_thread_self(env->thread); | |
321c1cb1 JCD |
3637 | if (kvm_enabled()) |
3638 | kvm_init_vcpu(env); | |
d6dc3d42 AL |
3639 | |
3640 | /* signal CPU creation */ | |
3641 | qemu_mutex_lock(&qemu_global_mutex); | |
3642 | env->created = 1; | |
3643 | qemu_cond_signal(&qemu_cpu_cond); | |
3644 | ||
3645 | /* and wait for machine initialization */ | |
3646 | while (!qemu_system_ready) | |
3647 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3648 | ||
3649 | while (1) { | |
3650 | if (cpu_can_run(env)) | |
3651 | qemu_cpu_exec(env); | |
1c3173b9 | 3652 | qemu_wait_io_event(env); |
d6dc3d42 AL |
3653 | } |
3654 | ||
3655 | return NULL; | |
3656 | } | |
3657 | ||
3658 | static void tcg_cpu_exec(void); | |
3659 | ||
3660 | static void *tcg_cpu_thread_fn(void *arg) | |
3661 | { | |
3662 | CPUState *env = arg; | |
3663 | ||
3664 | block_io_signals(); | |
3665 | qemu_thread_self(env->thread); | |
3666 | ||
3667 | /* signal CPU creation */ | |
3668 | qemu_mutex_lock(&qemu_global_mutex); | |
3669 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
3670 | env->created = 1; | |
3671 | qemu_cond_signal(&qemu_cpu_cond); | |
3672 | ||
3673 | /* and wait for machine initialization */ | |
3674 | while (!qemu_system_ready) | |
3675 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3676 | ||
3677 | while (1) { | |
3678 | tcg_cpu_exec(); | |
3679 | qemu_wait_io_event(cur_cpu); | |
3680 | } | |
3681 | ||
3682 | return NULL; | |
3683 | } | |
3684 | ||
3685 | void qemu_cpu_kick(void *_env) | |
3686 | { | |
3687 | CPUState *env = _env; | |
3688 | qemu_cond_broadcast(env->halt_cond); | |
3689 | if (kvm_enabled()) | |
3690 | qemu_thread_signal(env->thread, SIGUSR1); | |
3691 | } | |
3692 | ||
e5bc201d | 3693 | int qemu_cpu_self(void *_env) |
d6dc3d42 | 3694 | { |
e5bc201d GC |
3695 | CPUState *env = _env; |
3696 | QemuThread this; | |
3697 | ||
3698 | qemu_thread_self(&this); | |
3699 | ||
3700 | return qemu_thread_equal(&this, env->thread); | |
d6dc3d42 AL |
3701 | } |
3702 | ||
3703 | static void cpu_signal(int sig) | |
3704 | { | |
3705 | if (cpu_single_env) | |
3706 | cpu_exit(cpu_single_env); | |
3707 | } | |
3708 | ||
3709 | static void block_io_signals(void) | |
3710 | { | |
3711 | sigset_t set; | |
3712 | struct sigaction sigact; | |
3713 | ||
3714 | sigemptyset(&set); | |
3715 | sigaddset(&set, SIGUSR2); | |
3716 | sigaddset(&set, SIGIO); | |
3717 | sigaddset(&set, SIGALRM); | |
3718 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3719 | ||
3720 | sigemptyset(&set); | |
3721 | sigaddset(&set, SIGUSR1); | |
3722 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3723 | ||
3724 | memset(&sigact, 0, sizeof(sigact)); | |
3725 | sigact.sa_handler = cpu_signal; | |
3726 | sigaction(SIGUSR1, &sigact, NULL); | |
3727 | } | |
3728 | ||
3729 | static void unblock_io_signals(void) | |
3730 | { | |
3731 | sigset_t set; | |
3732 | ||
3733 | sigemptyset(&set); | |
3734 | sigaddset(&set, SIGUSR2); | |
3735 | sigaddset(&set, SIGIO); | |
3736 | sigaddset(&set, SIGALRM); | |
3737 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3738 | ||
3739 | sigemptyset(&set); | |
3740 | sigaddset(&set, SIGUSR1); | |
3741 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3742 | } | |
3743 | ||
3744 | static void qemu_signal_lock(unsigned int msecs) | |
3745 | { | |
3746 | qemu_mutex_lock(&qemu_fair_mutex); | |
3747 | ||
3748 | while (qemu_mutex_trylock(&qemu_global_mutex)) { | |
3749 | qemu_thread_signal(tcg_cpu_thread, SIGUSR1); | |
3750 | if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs)) | |
3751 | break; | |
3752 | } | |
3753 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3754 | } | |
3755 | ||
3756 | static void qemu_mutex_lock_iothread(void) | |
3757 | { | |
3758 | if (kvm_enabled()) { | |
3759 | qemu_mutex_lock(&qemu_fair_mutex); | |
3760 | qemu_mutex_lock(&qemu_global_mutex); | |
3761 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3762 | } else | |
3763 | qemu_signal_lock(100); | |
3764 | } | |
3765 | ||
3766 | static void qemu_mutex_unlock_iothread(void) | |
3767 | { | |
3768 | qemu_mutex_unlock(&qemu_global_mutex); | |
3769 | } | |
3770 | ||
3771 | static int all_vcpus_paused(void) | |
3772 | { | |
3773 | CPUState *penv = first_cpu; | |
3774 | ||
3775 | while (penv) { | |
3776 | if (!penv->stopped) | |
3777 | return 0; | |
3778 | penv = (CPUState *)penv->next_cpu; | |
3779 | } | |
3780 | ||
3781 | return 1; | |
3782 | } | |
3783 | ||
3784 | static void pause_all_vcpus(void) | |
3785 | { | |
3786 | CPUState *penv = first_cpu; | |
3787 | ||
3788 | while (penv) { | |
3789 | penv->stop = 1; | |
3790 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3791 | qemu_cpu_kick(penv); | |
3792 | penv = (CPUState *)penv->next_cpu; | |
3793 | } | |
3794 | ||
3795 | while (!all_vcpus_paused()) { | |
3796 | qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100); | |
3797 | penv = first_cpu; | |
3798 | while (penv) { | |
3799 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3800 | penv = (CPUState *)penv->next_cpu; | |
3801 | } | |
3802 | } | |
3803 | } | |
3804 | ||
3805 | static void resume_all_vcpus(void) | |
3806 | { | |
3807 | CPUState *penv = first_cpu; | |
3808 | ||
3809 | while (penv) { | |
3810 | penv->stop = 0; | |
3811 | penv->stopped = 0; | |
3812 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3813 | qemu_cpu_kick(penv); | |
3814 | penv = (CPUState *)penv->next_cpu; | |
3815 | } | |
3816 | } | |
3817 | ||
3818 | static void tcg_init_vcpu(void *_env) | |
3819 | { | |
3820 | CPUState *env = _env; | |
3821 | /* share a single thread for all cpus with TCG */ | |
3822 | if (!tcg_cpu_thread) { | |
3823 | env->thread = qemu_mallocz(sizeof(QemuThread)); | |
3824 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
3825 | qemu_cond_init(env->halt_cond); | |
3826 | qemu_thread_create(env->thread, tcg_cpu_thread_fn, env); | |
3827 | while (env->created == 0) | |
3828 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
3829 | tcg_cpu_thread = env->thread; | |
3830 | tcg_halt_cond = env->halt_cond; | |
3831 | } else { | |
3832 | env->thread = tcg_cpu_thread; | |
3833 | env->halt_cond = tcg_halt_cond; | |
3834 | } | |
3835 | } | |
3836 | ||
3837 | static void kvm_start_vcpu(CPUState *env) | |
3838 | { | |
d6dc3d42 AL |
3839 | env->thread = qemu_mallocz(sizeof(QemuThread)); |
3840 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
3841 | qemu_cond_init(env->halt_cond); | |
3842 | qemu_thread_create(env->thread, kvm_cpu_thread_fn, env); | |
3843 | while (env->created == 0) | |
3844 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
3845 | } | |
3846 | ||
3847 | void qemu_init_vcpu(void *_env) | |
3848 | { | |
3849 | CPUState *env = _env; | |
3850 | ||
3851 | if (kvm_enabled()) | |
3852 | kvm_start_vcpu(env); | |
3853 | else | |
3854 | tcg_init_vcpu(env); | |
dc6b1c09 AP |
3855 | env->nr_cores = smp_cores; |
3856 | env->nr_threads = smp_threads; | |
d6dc3d42 AL |
3857 | } |
3858 | ||
3859 | void qemu_notify_event(void) | |
3860 | { | |
3861 | qemu_event_increment(); | |
3862 | } | |
3863 | ||
3864 | void vm_stop(int reason) | |
3865 | { | |
3866 | QemuThread me; | |
3867 | qemu_thread_self(&me); | |
3868 | ||
3869 | if (!qemu_thread_equal(&me, &io_thread)) { | |
3870 | qemu_system_vmstop_request(reason); | |
3871 | /* | |
3872 | * FIXME: should not return to device code in case | |
3873 | * vm_stop() has been requested. | |
3874 | */ | |
3875 | if (cpu_single_env) { | |
3876 | cpu_exit(cpu_single_env); | |
3877 | cpu_single_env->stop = 1; | |
3878 | } | |
3879 | return; | |
3880 | } | |
3881 | do_vm_stop(reason); | |
3882 | } | |
3883 | ||
3884 | #endif | |
3885 | ||
3886 | ||
877cf882 | 3887 | #ifdef _WIN32 |
69d6451c | 3888 | static void host_main_loop_wait(int *timeout) |
56f3a5d0 AL |
3889 | { |
3890 | int ret, ret2, i; | |
f331110f FB |
3891 | PollingEntry *pe; |
3892 | ||
c4b1fcc0 | 3893 | |
f331110f FB |
3894 | /* XXX: need to suppress polling by better using win32 events */ |
3895 | ret = 0; | |
3896 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { | |
3897 | ret |= pe->func(pe->opaque); | |
3898 | } | |
e6b1e558 | 3899 | if (ret == 0) { |
a18e524a FB |
3900 | int err; |
3901 | WaitObjects *w = &wait_objects; | |
3b46e624 | 3902 | |
56f3a5d0 | 3903 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); |
a18e524a FB |
3904 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
3905 | if (w->func[ret - WAIT_OBJECT_0]) | |
3906 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); | |
3b46e624 | 3907 | |
5fafdf24 | 3908 | /* Check for additional signaled events */ |
e6b1e558 | 3909 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
3b46e624 | 3910 | |
e6b1e558 TS |
3911 | /* Check if event is signaled */ |
3912 | ret2 = WaitForSingleObject(w->events[i], 0); | |
3913 | if(ret2 == WAIT_OBJECT_0) { | |
3914 | if (w->func[i]) | |
3915 | w->func[i](w->opaque[i]); | |
3916 | } else if (ret2 == WAIT_TIMEOUT) { | |
3917 | } else { | |
3918 | err = GetLastError(); | |
3919 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); | |
3b46e624 TS |
3920 | } |
3921 | } | |
a18e524a FB |
3922 | } else if (ret == WAIT_TIMEOUT) { |
3923 | } else { | |
3924 | err = GetLastError(); | |
e6b1e558 | 3925 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); |
a18e524a | 3926 | } |
f331110f | 3927 | } |
56f3a5d0 AL |
3928 | |
3929 | *timeout = 0; | |
3930 | } | |
3931 | #else | |
69d6451c | 3932 | static void host_main_loop_wait(int *timeout) |
56f3a5d0 AL |
3933 | { |
3934 | } | |
fd1dff4b | 3935 | #endif |
56f3a5d0 AL |
3936 | |
3937 | void main_loop_wait(int timeout) | |
3938 | { | |
3939 | IOHandlerRecord *ioh; | |
3940 | fd_set rfds, wfds, xfds; | |
3941 | int ret, nfds; | |
3942 | struct timeval tv; | |
3943 | ||
3944 | qemu_bh_update_timeout(&timeout); | |
3945 | ||
3946 | host_main_loop_wait(&timeout); | |
3947 | ||
fd1dff4b FB |
3948 | /* poll any events */ |
3949 | /* XXX: separate device handlers from system ones */ | |
6abfbd79 | 3950 | nfds = -1; |
fd1dff4b FB |
3951 | FD_ZERO(&rfds); |
3952 | FD_ZERO(&wfds); | |
e035649e | 3953 | FD_ZERO(&xfds); |
fd1dff4b | 3954 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
cafffd40 TS |
3955 | if (ioh->deleted) |
3956 | continue; | |
fd1dff4b FB |
3957 | if (ioh->fd_read && |
3958 | (!ioh->fd_read_poll || | |
3959 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
3960 | FD_SET(ioh->fd, &rfds); | |
3961 | if (ioh->fd > nfds) | |
3962 | nfds = ioh->fd; | |
3963 | } | |
3964 | if (ioh->fd_write) { | |
3965 | FD_SET(ioh->fd, &wfds); | |
3966 | if (ioh->fd > nfds) | |
3967 | nfds = ioh->fd; | |
3968 | } | |
3969 | } | |
3b46e624 | 3970 | |
56f3a5d0 AL |
3971 | tv.tv_sec = timeout / 1000; |
3972 | tv.tv_usec = (timeout % 1000) * 1000; | |
3973 | ||
d918f23e JK |
3974 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
3975 | ||
4870852c | 3976 | qemu_mutex_unlock_iothread(); |
e035649e | 3977 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); |
4870852c | 3978 | qemu_mutex_lock_iothread(); |
fd1dff4b | 3979 | if (ret > 0) { |
cafffd40 TS |
3980 | IOHandlerRecord **pioh; |
3981 | ||
3982 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
6ab43fdc | 3983 | if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { |
fd1dff4b | 3984 | ioh->fd_read(ioh->opaque); |
7c9d8e07 | 3985 | } |
6ab43fdc | 3986 | if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { |
fd1dff4b | 3987 | ioh->fd_write(ioh->opaque); |
c4b1fcc0 | 3988 | } |
b4608c04 | 3989 | } |
cafffd40 TS |
3990 | |
3991 | /* remove deleted IO handlers */ | |
3992 | pioh = &first_io_handler; | |
3993 | while (*pioh) { | |
3994 | ioh = *pioh; | |
3995 | if (ioh->deleted) { | |
3996 | *pioh = ioh->next; | |
3997 | qemu_free(ioh); | |
5fafdf24 | 3998 | } else |
cafffd40 TS |
3999 | pioh = &ioh->next; |
4000 | } | |
fd1dff4b | 4001 | } |
d918f23e JK |
4002 | |
4003 | slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0)); | |
b4608c04 | 4004 | |
50317c7f AL |
4005 | /* rearm timer, if not periodic */ |
4006 | if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { | |
4007 | alarm_timer->flags &= ~ALARM_FLAG_EXPIRED; | |
4008 | qemu_rearm_alarm_timer(alarm_timer); | |
4009 | } | |
4010 | ||
357c692c | 4011 | /* vm time timers */ |
d6dc3d42 AL |
4012 | if (vm_running) { |
4013 | if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) | |
0fdddf80 JK |
4014 | qemu_run_timers(&active_timers[QEMU_CLOCK_VIRTUAL], |
4015 | qemu_get_clock(vm_clock)); | |
d6dc3d42 | 4016 | } |
357c692c AL |
4017 | |
4018 | /* real time timers */ | |
0fdddf80 | 4019 | qemu_run_timers(&active_timers[QEMU_CLOCK_REALTIME], |
357c692c AL |
4020 | qemu_get_clock(rt_clock)); |
4021 | ||
21d5d12b JK |
4022 | qemu_run_timers(&active_timers[QEMU_CLOCK_HOST], |
4023 | qemu_get_clock(host_clock)); | |
4024 | ||
423f0742 PB |
4025 | /* Check bottom-halves last in case any of the earlier events triggered |
4026 | them. */ | |
4027 | qemu_bh_poll(); | |
3b46e624 | 4028 | |
5905b2e5 FB |
4029 | } |
4030 | ||
43b96858 | 4031 | static int qemu_cpu_exec(CPUState *env) |
5905b2e5 | 4032 | { |
43b96858 | 4033 | int ret; |
89bfc105 FB |
4034 | #ifdef CONFIG_PROFILER |
4035 | int64_t ti; | |
4036 | #endif | |
5905b2e5 | 4037 | |
89bfc105 | 4038 | #ifdef CONFIG_PROFILER |
43b96858 | 4039 | ti = profile_getclock(); |
89bfc105 | 4040 | #endif |
43b96858 AL |
4041 | if (use_icount) { |
4042 | int64_t count; | |
4043 | int decr; | |
4044 | qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); | |
4045 | env->icount_decr.u16.low = 0; | |
4046 | env->icount_extra = 0; | |
4047 | count = qemu_next_deadline(); | |
4048 | count = (count + (1 << icount_time_shift) - 1) | |
4049 | >> icount_time_shift; | |
4050 | qemu_icount += count; | |
4051 | decr = (count > 0xffff) ? 0xffff : count; | |
4052 | count -= decr; | |
4053 | env->icount_decr.u16.low = decr; | |
4054 | env->icount_extra = count; | |
4055 | } | |
4056 | ret = cpu_exec(env); | |
89bfc105 | 4057 | #ifdef CONFIG_PROFILER |
43b96858 | 4058 | qemu_time += profile_getclock() - ti; |
89bfc105 | 4059 | #endif |
43b96858 AL |
4060 | if (use_icount) { |
4061 | /* Fold pending instructions back into the | |
4062 | instruction counter, and clear the interrupt flag. */ | |
4063 | qemu_icount -= (env->icount_decr.u16.low | |
4064 | + env->icount_extra); | |
4065 | env->icount_decr.u32 = 0; | |
4066 | env->icount_extra = 0; | |
4067 | } | |
4068 | return ret; | |
4069 | } | |
4070 | ||
e6e35b1e AL |
4071 | static void tcg_cpu_exec(void) |
4072 | { | |
d6dc3d42 | 4073 | int ret = 0; |
e6e35b1e AL |
4074 | |
4075 | if (next_cpu == NULL) | |
4076 | next_cpu = first_cpu; | |
4077 | for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { | |
4078 | CPUState *env = cur_cpu = next_cpu; | |
4079 | ||
4080 | if (!vm_running) | |
4081 | break; | |
4082 | if (timer_alarm_pending) { | |
4083 | timer_alarm_pending = 0; | |
4084 | break; | |
4085 | } | |
d6dc3d42 AL |
4086 | if (cpu_can_run(env)) |
4087 | ret = qemu_cpu_exec(env); | |
e6e35b1e AL |
4088 | if (ret == EXCP_DEBUG) { |
4089 | gdb_set_stop_cpu(env); | |
4090 | debug_requested = 1; | |
4091 | break; | |
4092 | } | |
4093 | } | |
4094 | } | |
4095 | ||
43b96858 AL |
4096 | static int cpu_has_work(CPUState *env) |
4097 | { | |
d6dc3d42 AL |
4098 | if (env->stop) |
4099 | return 1; | |
4100 | if (env->stopped) | |
4101 | return 0; | |
43b96858 AL |
4102 | if (!env->halted) |
4103 | return 1; | |
4104 | if (qemu_cpu_has_work(env)) | |
4105 | return 1; | |
4106 | return 0; | |
4107 | } | |
4108 | ||
4109 | static int tcg_has_work(void) | |
4110 | { | |
4111 | CPUState *env; | |
4112 | ||
4113 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
4114 | if (cpu_has_work(env)) | |
4115 | return 1; | |
4116 | return 0; | |
4117 | } | |
4118 | ||
4119 | static int qemu_calculate_timeout(void) | |
4120 | { | |
b319820d | 4121 | #ifndef CONFIG_IOTHREAD |
43b96858 AL |
4122 | int timeout; |
4123 | ||
4124 | if (!vm_running) | |
4125 | timeout = 5000; | |
4126 | else if (tcg_has_work()) | |
4127 | timeout = 0; | |
4128 | else if (!use_icount) | |
4129 | timeout = 5000; | |
4130 | else { | |
4131 | /* XXX: use timeout computed from timers */ | |
4132 | int64_t add; | |
4133 | int64_t delta; | |
4134 | /* Advance virtual time to the next event. */ | |
4135 | if (use_icount == 1) { | |
4136 | /* When not using an adaptive execution frequency | |
4137 | we tend to get badly out of sync with real time, | |
4138 | so just delay for a reasonable amount of time. */ | |
4139 | delta = 0; | |
4140 | } else { | |
4141 | delta = cpu_get_icount() - cpu_get_clock(); | |
4142 | } | |
4143 | if (delta > 0) { | |
4144 | /* If virtual time is ahead of real time then just | |
4145 | wait for IO. */ | |
4146 | timeout = (delta / 1000000) + 1; | |
4147 | } else { | |
4148 | /* Wait for either IO to occur or the next | |
4149 | timer event. */ | |
4150 | add = qemu_next_deadline(); | |
4151 | /* We advance the timer before checking for IO. | |
4152 | Limit the amount we advance so that early IO | |
4153 | activity won't get the guest too far ahead. */ | |
4154 | if (add > 10000000) | |
4155 | add = 10000000; | |
4156 | delta += add; | |
4157 | add = (add + (1 << icount_time_shift) - 1) | |
4158 | >> icount_time_shift; | |
4159 | qemu_icount += add; | |
4160 | timeout = delta / 1000000; | |
4161 | if (timeout < 0) | |
4162 | timeout = 0; | |
4163 | } | |
4164 | } | |
4165 | ||
4166 | return timeout; | |
b319820d LC |
4167 | #else /* CONFIG_IOTHREAD */ |
4168 | return 1000; | |
4169 | #endif | |
43b96858 AL |
4170 | } |
4171 | ||
4172 | static int vm_can_run(void) | |
4173 | { | |
4174 | if (powerdown_requested) | |
4175 | return 0; | |
4176 | if (reset_requested) | |
4177 | return 0; | |
4178 | if (shutdown_requested) | |
4179 | return 0; | |
e568902a AL |
4180 | if (debug_requested) |
4181 | return 0; | |
43b96858 AL |
4182 | return 1; |
4183 | } | |
4184 | ||
d9c32310 BS |
4185 | qemu_irq qemu_system_powerdown; |
4186 | ||
43b96858 AL |
4187 | static void main_loop(void) |
4188 | { | |
6e29f5da | 4189 | int r; |
e6e35b1e | 4190 | |
d6dc3d42 AL |
4191 | #ifdef CONFIG_IOTHREAD |
4192 | qemu_system_ready = 1; | |
4193 | qemu_cond_broadcast(&qemu_system_cond); | |
4194 | #endif | |
4195 | ||
6e29f5da | 4196 | for (;;) { |
43b96858 | 4197 | do { |
e6e35b1e AL |
4198 | #ifdef CONFIG_PROFILER |
4199 | int64_t ti; | |
4200 | #endif | |
d6dc3d42 | 4201 | #ifndef CONFIG_IOTHREAD |
e6e35b1e | 4202 | tcg_cpu_exec(); |
d6dc3d42 | 4203 | #endif |
89bfc105 | 4204 | #ifdef CONFIG_PROFILER |
43b96858 | 4205 | ti = profile_getclock(); |
89bfc105 | 4206 | #endif |
43b96858 | 4207 | main_loop_wait(qemu_calculate_timeout()); |
89bfc105 | 4208 | #ifdef CONFIG_PROFILER |
43b96858 | 4209 | dev_time += profile_getclock() - ti; |
89bfc105 | 4210 | #endif |
e568902a | 4211 | } while (vm_can_run()); |
43b96858 | 4212 | |
e568902a AL |
4213 | if (qemu_debug_requested()) |
4214 | vm_stop(EXCP_DEBUG); | |
43b96858 AL |
4215 | if (qemu_shutdown_requested()) { |
4216 | if (no_shutdown) { | |
4217 | vm_stop(0); | |
4218 | no_shutdown = 0; | |
4219 | } else | |
4220 | break; | |
4221 | } | |
d6dc3d42 AL |
4222 | if (qemu_reset_requested()) { |
4223 | pause_all_vcpus(); | |
43b96858 | 4224 | qemu_system_reset(); |
d6dc3d42 AL |
4225 | resume_all_vcpus(); |
4226 | } | |
d9c32310 BS |
4227 | if (qemu_powerdown_requested()) { |
4228 | qemu_irq_raise(qemu_system_powerdown); | |
4229 | } | |
6e29f5da AL |
4230 | if ((r = qemu_vmstop_requested())) |
4231 | vm_stop(r); | |
b4608c04 | 4232 | } |
d6dc3d42 | 4233 | pause_all_vcpus(); |
b4608c04 FB |
4234 | } |
4235 | ||
9bd7e6d9 PB |
4236 | static void version(void) |
4237 | { | |
4a19f1ec | 4238 | printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); |
9bd7e6d9 PB |
4239 | } |
4240 | ||
15f82208 | 4241 | static void help(int exitcode) |
0824d6fc | 4242 | { |
9bd7e6d9 PB |
4243 | version(); |
4244 | printf("usage: %s [options] [disk_image]\n" | |
0824d6fc | 4245 | "\n" |
a20dd508 | 4246 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 4247 | "\n" |
5824d651 BS |
4248 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4249 | opt_help | |
4250 | #define DEFHEADING(text) stringify(text) "\n" | |
4251 | #include "qemu-options.h" | |
4252 | #undef DEF | |
4253 | #undef DEFHEADING | |
4254 | #undef GEN_DOCS | |
0824d6fc | 4255 | "\n" |
82c643ff | 4256 | "During emulation, the following keys are useful:\n" |
032a8c9e FB |
4257 | "ctrl-alt-f toggle full screen\n" |
4258 | "ctrl-alt-n switch to virtual console 'n'\n" | |
4259 | "ctrl-alt toggle mouse and keyboard grab\n" | |
82c643ff FB |
4260 | "\n" |
4261 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
4262 | , | |
0db63474 | 4263 | "qemu", |
a00bad7e | 4264 | DEFAULT_RAM_SIZE, |
7c9d8e07 | 4265 | #ifndef _WIN32 |
a00bad7e | 4266 | DEFAULT_NETWORK_SCRIPT, |
b46a8906 | 4267 | DEFAULT_NETWORK_DOWN_SCRIPT, |
7c9d8e07 | 4268 | #endif |
6e44ba7f | 4269 | DEFAULT_GDBSTUB_PORT, |
bce61846 | 4270 | "/tmp/qemu.log"); |
15f82208 | 4271 | exit(exitcode); |
0824d6fc FB |
4272 | } |
4273 | ||
cd6f1169 FB |
4274 | #define HAS_ARG 0x0001 |
4275 | ||
4276 | enum { | |
5824d651 BS |
4277 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4278 | opt_enum, | |
4279 | #define DEFHEADING(text) | |
4280 | #include "qemu-options.h" | |
4281 | #undef DEF | |
4282 | #undef DEFHEADING | |
4283 | #undef GEN_DOCS | |
cd6f1169 FB |
4284 | }; |
4285 | ||
4286 | typedef struct QEMUOption { | |
4287 | const char *name; | |
4288 | int flags; | |
4289 | int index; | |
4290 | } QEMUOption; | |
4291 | ||
dbed7e40 | 4292 | static const QEMUOption qemu_options[] = { |
cd6f1169 | 4293 | { "h", 0, QEMU_OPTION_h }, |
5824d651 BS |
4294 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4295 | { option, opt_arg, opt_enum }, | |
4296 | #define DEFHEADING(text) | |
4297 | #include "qemu-options.h" | |
4298 | #undef DEF | |
4299 | #undef DEFHEADING | |
4300 | #undef GEN_DOCS | |
cd6f1169 | 4301 | { NULL }, |
fc01f7e7 FB |
4302 | }; |
4303 | ||
1d14ffa9 | 4304 | #ifdef HAS_AUDIO |
6a36d84e | 4305 | struct soundhw soundhw[] = { |
b00052e4 | 4306 | #ifdef HAS_AUDIO_CHOICE |
4ce7ff6e | 4307 | #if defined(TARGET_I386) || defined(TARGET_MIPS) |
fd06c375 FB |
4308 | { |
4309 | "pcspk", | |
4310 | "PC speaker", | |
4311 | 0, | |
4312 | 1, | |
4313 | { .init_isa = pcspk_audio_init } | |
4314 | }, | |
4315 | #endif | |
4c9b53e3 | 4316 | |
4317 | #ifdef CONFIG_SB16 | |
6a36d84e FB |
4318 | { |
4319 | "sb16", | |
4320 | "Creative Sound Blaster 16", | |
4321 | 0, | |
4322 | 1, | |
4323 | { .init_isa = SB16_init } | |
4324 | }, | |
4c9b53e3 | 4325 | #endif |
6a36d84e | 4326 | |
cc53d26d | 4327 | #ifdef CONFIG_CS4231A |
4328 | { | |
4329 | "cs4231a", | |
4330 | "CS4231A", | |
4331 | 0, | |
4332 | 1, | |
4333 | { .init_isa = cs4231a_init } | |
4334 | }, | |
4335 | #endif | |
4336 | ||
1d14ffa9 | 4337 | #ifdef CONFIG_ADLIB |
6a36d84e FB |
4338 | { |
4339 | "adlib", | |
1d14ffa9 | 4340 | #ifdef HAS_YMF262 |
6a36d84e | 4341 | "Yamaha YMF262 (OPL3)", |
1d14ffa9 | 4342 | #else |
6a36d84e | 4343 | "Yamaha YM3812 (OPL2)", |
1d14ffa9 | 4344 | #endif |
6a36d84e FB |
4345 | 0, |
4346 | 1, | |
4347 | { .init_isa = Adlib_init } | |
4348 | }, | |
1d14ffa9 | 4349 | #endif |
6a36d84e | 4350 | |
1d14ffa9 | 4351 | #ifdef CONFIG_GUS |
6a36d84e FB |
4352 | { |
4353 | "gus", | |
4354 | "Gravis Ultrasound GF1", | |
4355 | 0, | |
4356 | 1, | |
4357 | { .init_isa = GUS_init } | |
4358 | }, | |
1d14ffa9 | 4359 | #endif |
6a36d84e | 4360 | |
4c9b53e3 | 4361 | #ifdef CONFIG_AC97 |
e5c9a13e AZ |
4362 | { |
4363 | "ac97", | |
4364 | "Intel 82801AA AC97 Audio", | |
4365 | 0, | |
4366 | 0, | |
4367 | { .init_pci = ac97_init } | |
4368 | }, | |
4c9b53e3 | 4369 | #endif |
e5c9a13e | 4370 | |
4c9b53e3 | 4371 | #ifdef CONFIG_ES1370 |
6a36d84e FB |
4372 | { |
4373 | "es1370", | |
4374 | "ENSONIQ AudioPCI ES1370", | |
4375 | 0, | |
4376 | 0, | |
4377 | { .init_pci = es1370_init } | |
4378 | }, | |
b00052e4 | 4379 | #endif |
6a36d84e | 4380 | |
4c9b53e3 | 4381 | #endif /* HAS_AUDIO_CHOICE */ |
4382 | ||
6a36d84e FB |
4383 | { NULL, NULL, 0, 0, { NULL } } |
4384 | }; | |
4385 | ||
4386 | static void select_soundhw (const char *optarg) | |
4387 | { | |
4388 | struct soundhw *c; | |
4389 | ||
4390 | if (*optarg == '?') { | |
4391 | show_valid_cards: | |
4392 | ||
4393 | printf ("Valid sound card names (comma separated):\n"); | |
4394 | for (c = soundhw; c->name; ++c) { | |
4395 | printf ("%-11s %s\n", c->name, c->descr); | |
4396 | } | |
4397 | printf ("\n-soundhw all will enable all of the above\n"); | |
1d14ffa9 FB |
4398 | exit (*optarg != '?'); |
4399 | } | |
4400 | else { | |
6a36d84e | 4401 | size_t l; |
1d14ffa9 FB |
4402 | const char *p; |
4403 | char *e; | |
4404 | int bad_card = 0; | |
4405 | ||
6a36d84e FB |
4406 | if (!strcmp (optarg, "all")) { |
4407 | for (c = soundhw; c->name; ++c) { | |
4408 | c->enabled = 1; | |
4409 | } | |
4410 | return; | |
4411 | } | |
1d14ffa9 | 4412 | |
6a36d84e | 4413 | p = optarg; |
1d14ffa9 FB |
4414 | while (*p) { |
4415 | e = strchr (p, ','); | |
4416 | l = !e ? strlen (p) : (size_t) (e - p); | |
6a36d84e FB |
4417 | |
4418 | for (c = soundhw; c->name; ++c) { | |
b3d6fb4a | 4419 | if (!strncmp (c->name, p, l) && !c->name[l]) { |
6a36d84e | 4420 | c->enabled = 1; |
1d14ffa9 FB |
4421 | break; |
4422 | } | |
4423 | } | |
6a36d84e FB |
4424 | |
4425 | if (!c->name) { | |
1d14ffa9 FB |
4426 | if (l > 80) { |
4427 | fprintf (stderr, | |
4428 | "Unknown sound card name (too big to show)\n"); | |
4429 | } | |
4430 | else { | |
4431 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
4432 | (int) l, p); | |
4433 | } | |
4434 | bad_card = 1; | |
4435 | } | |
4436 | p += l + (e != NULL); | |
4437 | } | |
4438 | ||
4439 | if (bad_card) | |
4440 | goto show_valid_cards; | |
4441 | } | |
4442 | } | |
4443 | #endif | |
4444 | ||
3893c124 | 4445 | static void select_vgahw (const char *p) |
4446 | { | |
4447 | const char *opts; | |
4448 | ||
86176759 | 4449 | vga_interface_type = VGA_NONE; |
3893c124 | 4450 | if (strstart(p, "std", &opts)) { |
86176759 | 4451 | vga_interface_type = VGA_STD; |
3893c124 | 4452 | } else if (strstart(p, "cirrus", &opts)) { |
86176759 | 4453 | vga_interface_type = VGA_CIRRUS; |
3893c124 | 4454 | } else if (strstart(p, "vmware", &opts)) { |
86176759 | 4455 | vga_interface_type = VGA_VMWARE; |
94909d9f | 4456 | } else if (strstart(p, "xenfb", &opts)) { |
86176759 | 4457 | vga_interface_type = VGA_XENFB; |
28b85ed8 | 4458 | } else if (!strstart(p, "none", &opts)) { |
3893c124 | 4459 | invalid_vga: |
4460 | fprintf(stderr, "Unknown vga type: %s\n", p); | |
4461 | exit(1); | |
4462 | } | |
cb5a7aa8 | 4463 | while (*opts) { |
4464 | const char *nextopt; | |
4465 | ||
4466 | if (strstart(opts, ",retrace=", &nextopt)) { | |
4467 | opts = nextopt; | |
4468 | if (strstart(opts, "dumb", &nextopt)) | |
4469 | vga_retrace_method = VGA_RETRACE_DUMB; | |
4470 | else if (strstart(opts, "precise", &nextopt)) | |
4471 | vga_retrace_method = VGA_RETRACE_PRECISE; | |
4472 | else goto invalid_vga; | |
4473 | } else goto invalid_vga; | |
4474 | opts = nextopt; | |
4475 | } | |
3893c124 | 4476 | } |
4477 | ||
7d4c3d53 MA |
4478 | #ifdef TARGET_I386 |
4479 | static int balloon_parse(const char *arg) | |
4480 | { | |
382f0743 | 4481 | QemuOpts *opts; |
7d4c3d53 | 4482 | |
382f0743 GH |
4483 | if (strcmp(arg, "none") == 0) { |
4484 | return 0; | |
4485 | } | |
4486 | ||
4487 | if (!strncmp(arg, "virtio", 6)) { | |
4488 | if (arg[6] == ',') { | |
4489 | /* have params -> parse them */ | |
4490 | opts = qemu_opts_parse(&qemu_device_opts, arg+7, NULL); | |
4491 | if (!opts) | |
4492 | return -1; | |
4493 | } else { | |
4494 | /* create empty opts */ | |
4495 | opts = qemu_opts_create(&qemu_device_opts, NULL, 0); | |
7d4c3d53 | 4496 | } |
382f0743 GH |
4497 | qemu_opt_set(opts, "driver", "virtio-balloon-pci"); |
4498 | return 0; | |
7d4c3d53 | 4499 | } |
382f0743 GH |
4500 | |
4501 | return -1; | |
7d4c3d53 MA |
4502 | } |
4503 | #endif | |
4504 | ||
3587d7e6 FB |
4505 | #ifdef _WIN32 |
4506 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
4507 | { | |
4508 | exit(STATUS_CONTROL_C_EXIT); | |
4509 | return TRUE; | |
4510 | } | |
4511 | #endif | |
4512 | ||
c4be29ff | 4513 | int qemu_uuid_parse(const char *str, uint8_t *uuid) |
8fcb1b90 BS |
4514 | { |
4515 | int ret; | |
4516 | ||
4517 | if(strlen(str) != 36) | |
4518 | return -1; | |
4519 | ||
4520 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
4521 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
4522 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); | |
4523 | ||
4524 | if(ret != 16) | |
4525 | return -1; | |
4526 | ||
b6f6e3d3 AL |
4527 | #ifdef TARGET_I386 |
4528 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); | |
4529 | #endif | |
4530 | ||
8fcb1b90 BS |
4531 | return 0; |
4532 | } | |
4533 | ||
7c9d8e07 | 4534 | #define MAX_NET_CLIENTS 32 |
c20709aa | 4535 | |
5b08fc10 AL |
4536 | #ifndef _WIN32 |
4537 | ||
4538 | static void termsig_handler(int signal) | |
4539 | { | |
4540 | qemu_system_shutdown_request(); | |
4541 | } | |
4542 | ||
7c3370d4 JK |
4543 | static void sigchld_handler(int signal) |
4544 | { | |
4545 | waitpid(-1, NULL, WNOHANG); | |
4546 | } | |
4547 | ||
4548 | static void sighandler_setup(void) | |
5b08fc10 AL |
4549 | { |
4550 | struct sigaction act; | |
4551 | ||
4552 | memset(&act, 0, sizeof(act)); | |
4553 | act.sa_handler = termsig_handler; | |
4554 | sigaction(SIGINT, &act, NULL); | |
4555 | sigaction(SIGHUP, &act, NULL); | |
4556 | sigaction(SIGTERM, &act, NULL); | |
7c3370d4 JK |
4557 | |
4558 | act.sa_handler = sigchld_handler; | |
4559 | act.sa_flags = SA_NOCLDSTOP; | |
4560 | sigaction(SIGCHLD, &act, NULL); | |
5b08fc10 AL |
4561 | } |
4562 | ||
4563 | #endif | |
4564 | ||
5cea8590 PB |
4565 | #ifdef _WIN32 |
4566 | /* Look for support files in the same directory as the executable. */ | |
4567 | static char *find_datadir(const char *argv0) | |
4568 | { | |
4569 | char *p; | |
4570 | char buf[MAX_PATH]; | |
4571 | DWORD len; | |
4572 | ||
4573 | len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); | |
4574 | if (len == 0) { | |
c5947808 | 4575 | return NULL; |
5cea8590 PB |
4576 | } |
4577 | ||
4578 | buf[len] = 0; | |
4579 | p = buf + len - 1; | |
4580 | while (p != buf && *p != '\\') | |
4581 | p--; | |
4582 | *p = 0; | |
4583 | if (access(buf, R_OK) == 0) { | |
4584 | return qemu_strdup(buf); | |
4585 | } | |
4586 | return NULL; | |
4587 | } | |
4588 | #else /* !_WIN32 */ | |
4589 | ||
4590 | /* Find a likely location for support files using the location of the binary. | |
4591 | For installed binaries this will be "$bindir/../share/qemu". When | |
4592 | running from the build tree this will be "$bindir/../pc-bios". */ | |
4593 | #define SHARE_SUFFIX "/share/qemu" | |
4594 | #define BUILD_SUFFIX "/pc-bios" | |
4595 | static char *find_datadir(const char *argv0) | |
4596 | { | |
4597 | char *dir; | |
4598 | char *p = NULL; | |
4599 | char *res; | |
5cea8590 | 4600 | char buf[PATH_MAX]; |
3a41759d | 4601 | size_t max_len; |
5cea8590 PB |
4602 | |
4603 | #if defined(__linux__) | |
4604 | { | |
4605 | int len; | |
4606 | len = readlink("/proc/self/exe", buf, sizeof(buf) - 1); | |
4607 | if (len > 0) { | |
4608 | buf[len] = 0; | |
4609 | p = buf; | |
4610 | } | |
4611 | } | |
4612 | #elif defined(__FreeBSD__) | |
4613 | { | |
4614 | int len; | |
4615 | len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1); | |
4616 | if (len > 0) { | |
4617 | buf[len] = 0; | |
4618 | p = buf; | |
4619 | } | |
4620 | } | |
4621 | #endif | |
4622 | /* If we don't have any way of figuring out the actual executable | |
4623 | location then try argv[0]. */ | |
4624 | if (!p) { | |
4d224196 | 4625 | p = realpath(argv0, buf); |
5cea8590 PB |
4626 | if (!p) { |
4627 | return NULL; | |
4628 | } | |
4629 | } | |
4630 | dir = dirname(p); | |
4631 | dir = dirname(dir); | |
4632 | ||
3a41759d BS |
4633 | max_len = strlen(dir) + |
4634 | MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1; | |
4635 | res = qemu_mallocz(max_len); | |
4636 | snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX); | |
5cea8590 | 4637 | if (access(res, R_OK)) { |
3a41759d | 4638 | snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX); |
5cea8590 PB |
4639 | if (access(res, R_OK)) { |
4640 | qemu_free(res); | |
4641 | res = NULL; | |
4642 | } | |
4643 | } | |
4d224196 | 4644 | |
5cea8590 PB |
4645 | return res; |
4646 | } | |
4647 | #undef SHARE_SUFFIX | |
4648 | #undef BUILD_SUFFIX | |
4649 | #endif | |
4650 | ||
4651 | char *qemu_find_file(int type, const char *name) | |
4652 | { | |
4653 | int len; | |
4654 | const char *subdir; | |
4655 | char *buf; | |
4656 | ||
4657 | /* If name contains path separators then try it as a straight path. */ | |
4658 | if ((strchr(name, '/') || strchr(name, '\\')) | |
4659 | && access(name, R_OK) == 0) { | |
73ffc805 | 4660 | return qemu_strdup(name); |
5cea8590 PB |
4661 | } |
4662 | switch (type) { | |
4663 | case QEMU_FILE_TYPE_BIOS: | |
4664 | subdir = ""; | |
4665 | break; | |
4666 | case QEMU_FILE_TYPE_KEYMAP: | |
4667 | subdir = "keymaps/"; | |
4668 | break; | |
4669 | default: | |
4670 | abort(); | |
4671 | } | |
4672 | len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2; | |
4673 | buf = qemu_mallocz(len); | |
3a41759d | 4674 | snprintf(buf, len, "%s/%s%s", data_dir, subdir, name); |
5cea8590 PB |
4675 | if (access(buf, R_OK)) { |
4676 | qemu_free(buf); | |
4677 | return NULL; | |
4678 | } | |
4679 | return buf; | |
4680 | } | |
4681 | ||
f31d07d1 GH |
4682 | static int device_init_func(QemuOpts *opts, void *opaque) |
4683 | { | |
4684 | DeviceState *dev; | |
4685 | ||
4686 | dev = qdev_device_add(opts); | |
4687 | if (!dev) | |
4688 | return -1; | |
4689 | return 0; | |
4690 | } | |
4691 | ||
bd3c948d GH |
4692 | struct device_config { |
4693 | enum { | |
bd3c948d GH |
4694 | DEV_USB, /* -usbdevice */ |
4695 | DEV_BT, /* -bt */ | |
4696 | } type; | |
4697 | const char *cmdline; | |
72cf2d4f | 4698 | QTAILQ_ENTRY(device_config) next; |
bd3c948d | 4699 | }; |
72cf2d4f | 4700 | QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs); |
bd3c948d GH |
4701 | |
4702 | static void add_device_config(int type, const char *cmdline) | |
4703 | { | |
4704 | struct device_config *conf; | |
4705 | ||
4706 | conf = qemu_mallocz(sizeof(*conf)); | |
4707 | conf->type = type; | |
4708 | conf->cmdline = cmdline; | |
72cf2d4f | 4709 | QTAILQ_INSERT_TAIL(&device_configs, conf, next); |
bd3c948d GH |
4710 | } |
4711 | ||
4712 | static int foreach_device_config(int type, int (*func)(const char *cmdline)) | |
4713 | { | |
4714 | struct device_config *conf; | |
4715 | int rc; | |
4716 | ||
72cf2d4f | 4717 | QTAILQ_FOREACH(conf, &device_configs, next) { |
bd3c948d GH |
4718 | if (conf->type != type) |
4719 | continue; | |
4720 | rc = func(conf->cmdline); | |
4721 | if (0 != rc) | |
4722 | return rc; | |
4723 | } | |
4724 | return 0; | |
4725 | } | |
4726 | ||
902b3d5c | 4727 | int main(int argc, char **argv, char **envp) |
0824d6fc | 4728 | { |
59030a8c | 4729 | const char *gdbstub_dev = NULL; |
28c5af54 | 4730 | uint32_t boot_devices_bitmap = 0; |
e4bcb14c | 4731 | int i; |
28c5af54 | 4732 | int snapshot, linux_boot, net_boot; |
7f7f9873 | 4733 | const char *initrd_filename; |
a20dd508 | 4734 | const char *kernel_filename, *kernel_cmdline; |
ef3adf68 | 4735 | char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */ |
3023f332 | 4736 | DisplayState *ds; |
7d957bd8 | 4737 | DisplayChangeListener *dcl; |
46d4767d | 4738 | int cyls, heads, secs, translation; |
fd5f393a | 4739 | const char *net_clients[MAX_NET_CLIENTS]; |
7c9d8e07 | 4740 | int nb_net_clients; |
f31d07d1 | 4741 | QemuOpts *hda_opts = NULL, *opts; |
cd6f1169 FB |
4742 | int optind; |
4743 | const char *r, *optarg; | |
ddd9bbd9 JK |
4744 | CharDriverState *monitor_hds[MAX_MONITOR_DEVICES]; |
4745 | const char *monitor_devices[MAX_MONITOR_DEVICES]; | |
4746 | int monitor_device_index; | |
fd5f393a | 4747 | const char *serial_devices[MAX_SERIAL_PORTS]; |
8d11df9e | 4748 | int serial_device_index; |
fd5f393a | 4749 | const char *parallel_devices[MAX_PARALLEL_PORTS]; |
6508fe59 | 4750 | int parallel_device_index; |
9ede2fde AL |
4751 | const char *virtio_consoles[MAX_VIRTIO_CONSOLES]; |
4752 | int virtio_console_index; | |
d63d307f | 4753 | const char *loadvm = NULL; |
cc1daa40 | 4754 | QEMUMachine *machine; |
94fc95cd | 4755 | const char *cpu_model; |
b9e82a59 | 4756 | #ifndef _WIN32 |
71e3ceb8 | 4757 | int fds[2]; |
b9e82a59 | 4758 | #endif |
26a5f13b | 4759 | int tb_size; |
93815bc2 | 4760 | const char *pid_file = NULL; |
5bb7910a | 4761 | const char *incoming = NULL; |
b9e82a59 | 4762 | #ifndef _WIN32 |
54042bcf AL |
4763 | int fd = 0; |
4764 | struct passwd *pwd = NULL; | |
0858532e AL |
4765 | const char *chroot_dir = NULL; |
4766 | const char *run_as = NULL; | |
b9e82a59 | 4767 | #endif |
268a362c | 4768 | CPUState *env; |
993fbfdb | 4769 | int show_vnc_port = 0; |
0bd48850 | 4770 | |
6875204c JK |
4771 | init_clocks(); |
4772 | ||
ac7531ec | 4773 | qemu_errors_to_file(stderr); |
902b3d5c | 4774 | qemu_cache_utils_init(envp); |
4775 | ||
72cf2d4f | 4776 | QLIST_INIT (&vm_change_state_head); |
be995c27 FB |
4777 | #ifndef _WIN32 |
4778 | { | |
4779 | struct sigaction act; | |
4780 | sigfillset(&act.sa_mask); | |
4781 | act.sa_flags = 0; | |
4782 | act.sa_handler = SIG_IGN; | |
4783 | sigaction(SIGPIPE, &act, NULL); | |
4784 | } | |
3587d7e6 FB |
4785 | #else |
4786 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
a8e5ac33 FB |
4787 | /* Note: cpu_interrupt() is currently not SMP safe, so we force |
4788 | QEMU to run on a single CPU */ | |
4789 | { | |
4790 | HANDLE h; | |
4791 | DWORD mask, smask; | |
4792 | int i; | |
4793 | h = GetCurrentProcess(); | |
4794 | if (GetProcessAffinityMask(h, &mask, &smask)) { | |
4795 | for(i = 0; i < 32; i++) { | |
4796 | if (mask & (1 << i)) | |
4797 | break; | |
4798 | } | |
4799 | if (i != 32) { | |
4800 | mask = 1 << i; | |
4801 | SetProcessAffinityMask(h, mask); | |
4802 | } | |
4803 | } | |
4804 | } | |
67b915a5 | 4805 | #endif |
be995c27 | 4806 | |
f80f9ec9 | 4807 | module_call_init(MODULE_INIT_MACHINE); |
0c257437 | 4808 | machine = find_default_machine(); |
94fc95cd | 4809 | cpu_model = NULL; |
fc01f7e7 | 4810 | initrd_filename = NULL; |
4fc5d071 | 4811 | ram_size = 0; |
33e3963e | 4812 | snapshot = 0; |
a20dd508 FB |
4813 | kernel_filename = NULL; |
4814 | kernel_cmdline = ""; | |
c4b1fcc0 | 4815 | cyls = heads = secs = 0; |
46d4767d | 4816 | translation = BIOS_ATA_TRANSLATION_AUTO; |
c4b1fcc0 | 4817 | |
c75a823c | 4818 | serial_devices[0] = "vc:80Cx24C"; |
8d11df9e | 4819 | for(i = 1; i < MAX_SERIAL_PORTS; i++) |
fd5f393a | 4820 | serial_devices[i] = NULL; |
8d11df9e | 4821 | serial_device_index = 0; |
3b46e624 | 4822 | |
8290edda | 4823 | parallel_devices[0] = "vc:80Cx24C"; |
6508fe59 | 4824 | for(i = 1; i < MAX_PARALLEL_PORTS; i++) |
fd5f393a | 4825 | parallel_devices[i] = NULL; |
6508fe59 | 4826 | parallel_device_index = 0; |
3b46e624 | 4827 | |
1b8fc811 | 4828 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) |
9ede2fde AL |
4829 | virtio_consoles[i] = NULL; |
4830 | virtio_console_index = 0; | |
4831 | ||
ddd9bbd9 JK |
4832 | monitor_devices[0] = "vc:80Cx24C"; |
4833 | for (i = 1; i < MAX_MONITOR_DEVICES; i++) { | |
4834 | monitor_devices[i] = NULL; | |
4835 | } | |
4836 | monitor_device_index = 0; | |
4837 | ||
268a362c AL |
4838 | for (i = 0; i < MAX_NODES; i++) { |
4839 | node_mem[i] = 0; | |
4840 | node_cpumask[i] = 0; | |
4841 | } | |
4842 | ||
7c9d8e07 | 4843 | nb_net_clients = 0; |
268a362c | 4844 | nb_numa_nodes = 0; |
7c9d8e07 | 4845 | nb_nics = 0; |
3b46e624 | 4846 | |
26a5f13b | 4847 | tb_size = 0; |
41bd639b BS |
4848 | autostart= 1; |
4849 | ||
cd6f1169 | 4850 | optind = 1; |
0824d6fc | 4851 | for(;;) { |
cd6f1169 | 4852 | if (optind >= argc) |
0824d6fc | 4853 | break; |
cd6f1169 FB |
4854 | r = argv[optind]; |
4855 | if (r[0] != '-') { | |
9dfd7c7a | 4856 | hda_opts = drive_add(argv[optind++], HD_ALIAS, 0); |
cd6f1169 FB |
4857 | } else { |
4858 | const QEMUOption *popt; | |
4859 | ||
4860 | optind++; | |
dff5efc8 PB |
4861 | /* Treat --foo the same as -foo. */ |
4862 | if (r[1] == '-') | |
4863 | r++; | |
cd6f1169 FB |
4864 | popt = qemu_options; |
4865 | for(;;) { | |
4866 | if (!popt->name) { | |
5fafdf24 | 4867 | fprintf(stderr, "%s: invalid option -- '%s'\n", |
cd6f1169 FB |
4868 | argv[0], r); |
4869 | exit(1); | |
4870 | } | |
4871 | if (!strcmp(popt->name, r + 1)) | |
4872 | break; | |
4873 | popt++; | |
4874 | } | |
4875 | if (popt->flags & HAS_ARG) { | |
4876 | if (optind >= argc) { | |
4877 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
4878 | argv[0], r); | |
4879 | exit(1); | |
4880 | } | |
4881 | optarg = argv[optind++]; | |
4882 | } else { | |
4883 | optarg = NULL; | |
4884 | } | |
4885 | ||
4886 | switch(popt->index) { | |
cc1daa40 FB |
4887 | case QEMU_OPTION_M: |
4888 | machine = find_machine(optarg); | |
4889 | if (!machine) { | |
4890 | QEMUMachine *m; | |
4891 | printf("Supported machines are:\n"); | |
4892 | for(m = first_machine; m != NULL; m = m->next) { | |
3f6599e6 MM |
4893 | if (m->alias) |
4894 | printf("%-10s %s (alias of %s)\n", | |
4895 | m->alias, m->desc, m->name); | |
cc1daa40 | 4896 | printf("%-10s %s%s\n", |
5fafdf24 | 4897 | m->name, m->desc, |
0c257437 | 4898 | m->is_default ? " (default)" : ""); |
cc1daa40 | 4899 | } |
15f82208 | 4900 | exit(*optarg != '?'); |
cc1daa40 FB |
4901 | } |
4902 | break; | |
94fc95cd JM |
4903 | case QEMU_OPTION_cpu: |
4904 | /* hw initialization will check this */ | |
15f82208 | 4905 | if (*optarg == '?') { |
c732abe2 JM |
4906 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
4907 | #if defined(cpu_list) | |
4908 | cpu_list(stdout, &fprintf); | |
94fc95cd | 4909 | #endif |
15f82208 | 4910 | exit(0); |
94fc95cd JM |
4911 | } else { |
4912 | cpu_model = optarg; | |
4913 | } | |
4914 | break; | |
cd6f1169 | 4915 | case QEMU_OPTION_initrd: |
fc01f7e7 FB |
4916 | initrd_filename = optarg; |
4917 | break; | |
cd6f1169 | 4918 | case QEMU_OPTION_hda: |
e4bcb14c | 4919 | if (cyls == 0) |
9dfd7c7a | 4920 | hda_opts = drive_add(optarg, HD_ALIAS, 0); |
e4bcb14c | 4921 | else |
9dfd7c7a | 4922 | hda_opts = drive_add(optarg, HD_ALIAS |
e4bcb14c | 4923 | ",cyls=%d,heads=%d,secs=%d%s", |
609497ab | 4924 | 0, cyls, heads, secs, |
e4bcb14c TS |
4925 | translation == BIOS_ATA_TRANSLATION_LBA ? |
4926 | ",trans=lba" : | |
4927 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
4928 | ",trans=none" : ""); | |
4929 | break; | |
cd6f1169 | 4930 | case QEMU_OPTION_hdb: |
cc1daa40 FB |
4931 | case QEMU_OPTION_hdc: |
4932 | case QEMU_OPTION_hdd: | |
609497ab | 4933 | drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
fc01f7e7 | 4934 | break; |
e4bcb14c | 4935 | case QEMU_OPTION_drive: |
609497ab | 4936 | drive_add(NULL, "%s", optarg); |
e4bcb14c | 4937 | break; |
d058fe03 GH |
4938 | case QEMU_OPTION_set: |
4939 | if (qemu_set_option(optarg) != 0) | |
4940 | exit(1); | |
4941 | break; | |
3e3d5815 | 4942 | case QEMU_OPTION_mtdblock: |
609497ab | 4943 | drive_add(optarg, MTD_ALIAS); |
3e3d5815 | 4944 | break; |
a1bb27b1 | 4945 | case QEMU_OPTION_sd: |
609497ab | 4946 | drive_add(optarg, SD_ALIAS); |
a1bb27b1 | 4947 | break; |
86f55663 | 4948 | case QEMU_OPTION_pflash: |
609497ab | 4949 | drive_add(optarg, PFLASH_ALIAS); |
86f55663 | 4950 | break; |
cd6f1169 | 4951 | case QEMU_OPTION_snapshot: |
33e3963e FB |
4952 | snapshot = 1; |
4953 | break; | |
cd6f1169 | 4954 | case QEMU_OPTION_hdachs: |
330d0414 | 4955 | { |
330d0414 FB |
4956 | const char *p; |
4957 | p = optarg; | |
4958 | cyls = strtol(p, (char **)&p, 0); | |
46d4767d FB |
4959 | if (cyls < 1 || cyls > 16383) |
4960 | goto chs_fail; | |
330d0414 FB |
4961 | if (*p != ',') |
4962 | goto chs_fail; | |
4963 | p++; | |
4964 | heads = strtol(p, (char **)&p, 0); | |
46d4767d FB |
4965 | if (heads < 1 || heads > 16) |
4966 | goto chs_fail; | |
330d0414 FB |
4967 | if (*p != ',') |
4968 | goto chs_fail; | |
4969 | p++; | |
4970 | secs = strtol(p, (char **)&p, 0); | |
46d4767d FB |
4971 | if (secs < 1 || secs > 63) |
4972 | goto chs_fail; | |
4973 | if (*p == ',') { | |
4974 | p++; | |
4975 | if (!strcmp(p, "none")) | |
4976 | translation = BIOS_ATA_TRANSLATION_NONE; | |
4977 | else if (!strcmp(p, "lba")) | |
4978 | translation = BIOS_ATA_TRANSLATION_LBA; | |
4979 | else if (!strcmp(p, "auto")) | |
4980 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
4981 | else | |
4982 | goto chs_fail; | |
4983 | } else if (*p != '\0') { | |
c4b1fcc0 | 4984 | chs_fail: |
46d4767d FB |
4985 | fprintf(stderr, "qemu: invalid physical CHS format\n"); |
4986 | exit(1); | |
c4b1fcc0 | 4987 | } |
9dfd7c7a GH |
4988 | if (hda_opts != NULL) { |
4989 | char num[16]; | |
4990 | snprintf(num, sizeof(num), "%d", cyls); | |
4991 | qemu_opt_set(hda_opts, "cyls", num); | |
4992 | snprintf(num, sizeof(num), "%d", heads); | |
4993 | qemu_opt_set(hda_opts, "heads", num); | |
4994 | snprintf(num, sizeof(num), "%d", secs); | |
4995 | qemu_opt_set(hda_opts, "secs", num); | |
4996 | if (translation == BIOS_ATA_TRANSLATION_LBA) | |
4997 | qemu_opt_set(hda_opts, "trans", "lba"); | |
4998 | if (translation == BIOS_ATA_TRANSLATION_NONE) | |
4999 | qemu_opt_set(hda_opts, "trans", "none"); | |
5000 | } | |
330d0414 FB |
5001 | } |
5002 | break; | |
268a362c AL |
5003 | case QEMU_OPTION_numa: |
5004 | if (nb_numa_nodes >= MAX_NODES) { | |
5005 | fprintf(stderr, "qemu: too many NUMA nodes\n"); | |
5006 | exit(1); | |
5007 | } | |
5008 | numa_add(optarg); | |
5009 | break; | |
cd6f1169 | 5010 | case QEMU_OPTION_nographic: |
993fbfdb | 5011 | display_type = DT_NOGRAPHIC; |
a20dd508 | 5012 | break; |
4d3b6f6e AZ |
5013 | #ifdef CONFIG_CURSES |
5014 | case QEMU_OPTION_curses: | |
993fbfdb | 5015 | display_type = DT_CURSES; |
4d3b6f6e AZ |
5016 | break; |
5017 | #endif | |
a171fe39 AZ |
5018 | case QEMU_OPTION_portrait: |
5019 | graphic_rotate = 1; | |
5020 | break; | |
cd6f1169 | 5021 | case QEMU_OPTION_kernel: |
a20dd508 FB |
5022 | kernel_filename = optarg; |
5023 | break; | |
cd6f1169 | 5024 | case QEMU_OPTION_append: |
a20dd508 | 5025 | kernel_cmdline = optarg; |
313aa567 | 5026 | break; |
cd6f1169 | 5027 | case QEMU_OPTION_cdrom: |
609497ab | 5028 | drive_add(optarg, CDROM_ALIAS); |
36b486bb | 5029 | break; |
cd6f1169 | 5030 | case QEMU_OPTION_boot: |
28c5af54 | 5031 | { |
ef3adf68 | 5032 | static const char * const params[] = { |
95387491 | 5033 | "order", "once", "menu", NULL |
ef3adf68 JK |
5034 | }; |
5035 | char buf[sizeof(boot_devices)]; | |
e0f084bf | 5036 | char *standard_boot_devices; |
ef3adf68 JK |
5037 | int legacy = 0; |
5038 | ||
5039 | if (!strchr(optarg, '=')) { | |
5040 | legacy = 1; | |
5041 | pstrcpy(buf, sizeof(buf), optarg); | |
5042 | } else if (check_params(buf, sizeof(buf), params, optarg) < 0) { | |
5043 | fprintf(stderr, | |
5044 | "qemu: unknown boot parameter '%s' in '%s'\n", | |
5045 | buf, optarg); | |
5046 | exit(1); | |
5047 | } | |
5048 | ||
5049 | if (legacy || | |
5050 | get_param_value(buf, sizeof(buf), "order", optarg)) { | |
5051 | boot_devices_bitmap = parse_bootdevices(buf); | |
5052 | pstrcpy(boot_devices, sizeof(boot_devices), buf); | |
28c5af54 | 5053 | } |
e0f084bf JK |
5054 | if (!legacy) { |
5055 | if (get_param_value(buf, sizeof(buf), | |
5056 | "once", optarg)) { | |
5057 | boot_devices_bitmap |= parse_bootdevices(buf); | |
5058 | standard_boot_devices = qemu_strdup(boot_devices); | |
5059 | pstrcpy(boot_devices, sizeof(boot_devices), buf); | |
5060 | qemu_register_reset(restore_boot_devices, | |
5061 | standard_boot_devices); | |
5062 | } | |
95387491 JK |
5063 | if (get_param_value(buf, sizeof(buf), |
5064 | "menu", optarg)) { | |
5065 | if (!strcmp(buf, "on")) { | |
5066 | boot_menu = 1; | |
5067 | } else if (!strcmp(buf, "off")) { | |
5068 | boot_menu = 0; | |
5069 | } else { | |
5070 | fprintf(stderr, | |
5071 | "qemu: invalid option value '%s'\n", | |
5072 | buf); | |
5073 | exit(1); | |
5074 | } | |
5075 | } | |
e0f084bf | 5076 | } |
36b486bb FB |
5077 | } |
5078 | break; | |
cd6f1169 | 5079 | case QEMU_OPTION_fda: |
cd6f1169 | 5080 | case QEMU_OPTION_fdb: |
609497ab | 5081 | drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
c45886db | 5082 | break; |
52ca8d6a FB |
5083 | #ifdef TARGET_I386 |
5084 | case QEMU_OPTION_no_fd_bootchk: | |
5085 | fd_bootchk = 0; | |
5086 | break; | |
5087 | #endif | |
7c9d8e07 FB |
5088 | case QEMU_OPTION_net: |
5089 | if (nb_net_clients >= MAX_NET_CLIENTS) { | |
5090 | fprintf(stderr, "qemu: too many network clients\n"); | |
c4b1fcc0 FB |
5091 | exit(1); |
5092 | } | |
fd5f393a | 5093 | net_clients[nb_net_clients] = optarg; |
7c9d8e07 | 5094 | nb_net_clients++; |
702c651c | 5095 | break; |
c7f74643 FB |
5096 | #ifdef CONFIG_SLIRP |
5097 | case QEMU_OPTION_tftp: | |
ad196a9d | 5098 | legacy_tftp_prefix = optarg; |
9bf05444 | 5099 | break; |
47d5d01a | 5100 | case QEMU_OPTION_bootp: |
ad196a9d | 5101 | legacy_bootp_filename = optarg; |
47d5d01a | 5102 | break; |
c94c8d64 | 5103 | #ifndef _WIN32 |
9d728e8c | 5104 | case QEMU_OPTION_smb: |
ad196a9d | 5105 | net_slirp_smb(optarg); |
9d728e8c | 5106 | break; |
c94c8d64 | 5107 | #endif |
9bf05444 | 5108 | case QEMU_OPTION_redir: |
f3546deb | 5109 | net_slirp_redir(optarg); |
9bf05444 | 5110 | break; |
c7f74643 | 5111 | #endif |
dc72ac14 | 5112 | case QEMU_OPTION_bt: |
bd3c948d | 5113 | add_device_config(DEV_BT, optarg); |
dc72ac14 | 5114 | break; |
1d14ffa9 | 5115 | #ifdef HAS_AUDIO |
1d14ffa9 FB |
5116 | case QEMU_OPTION_audio_help: |
5117 | AUD_help (); | |
5118 | exit (0); | |
5119 | break; | |
5120 | case QEMU_OPTION_soundhw: | |
5121 | select_soundhw (optarg); | |
5122 | break; | |
5123 | #endif | |
cd6f1169 | 5124 | case QEMU_OPTION_h: |
15f82208 | 5125 | help(0); |
cd6f1169 | 5126 | break; |
9bd7e6d9 PB |
5127 | case QEMU_OPTION_version: |
5128 | version(); | |
5129 | exit(0); | |
5130 | break; | |
00f82b8a AJ |
5131 | case QEMU_OPTION_m: { |
5132 | uint64_t value; | |
5133 | char *ptr; | |
5134 | ||
5135 | value = strtoul(optarg, &ptr, 10); | |
5136 | switch (*ptr) { | |
5137 | case 0: case 'M': case 'm': | |
5138 | value <<= 20; | |
5139 | break; | |
5140 | case 'G': case 'g': | |
5141 | value <<= 30; | |
5142 | break; | |
5143 | default: | |
5144 | fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); | |
cd6f1169 FB |
5145 | exit(1); |
5146 | } | |
00f82b8a AJ |
5147 | |
5148 | /* On 32-bit hosts, QEMU is limited by virtual address space */ | |
4a1418e0 | 5149 | if (value > (2047 << 20) && HOST_LONG_BITS == 32) { |
00f82b8a AJ |
5150 | fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); |
5151 | exit(1); | |
5152 | } | |
c227f099 | 5153 | if (value != (uint64_t)(ram_addr_t)value) { |
00f82b8a AJ |
5154 | fprintf(stderr, "qemu: ram size too large\n"); |
5155 | exit(1); | |
5156 | } | |
5157 | ram_size = value; | |
cd6f1169 | 5158 | break; |
00f82b8a | 5159 | } |
cd6f1169 FB |
5160 | case QEMU_OPTION_d: |
5161 | { | |
5162 | int mask; | |
c7cd6a37 | 5163 | const CPULogItem *item; |
3b46e624 | 5164 | |
cd6f1169 FB |
5165 | mask = cpu_str_to_log_mask(optarg); |
5166 | if (!mask) { | |
5167 | printf("Log items (comma separated):\n"); | |
f193c797 FB |
5168 | for(item = cpu_log_items; item->mask != 0; item++) { |
5169 | printf("%-10s %s\n", item->name, item->help); | |
5170 | } | |
5171 | exit(1); | |
cd6f1169 FB |
5172 | } |
5173 | cpu_set_log(mask); | |
f193c797 | 5174 | } |
cd6f1169 | 5175 | break; |
cd6f1169 | 5176 | case QEMU_OPTION_s: |
59030a8c | 5177 | gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT; |
cd6f1169 | 5178 | break; |
59030a8c AL |
5179 | case QEMU_OPTION_gdb: |
5180 | gdbstub_dev = optarg; | |
cd6f1169 | 5181 | break; |
cd6f1169 | 5182 | case QEMU_OPTION_L: |
5cea8590 | 5183 | data_dir = optarg; |
cd6f1169 | 5184 | break; |
1192dad8 JM |
5185 | case QEMU_OPTION_bios: |
5186 | bios_name = optarg; | |
5187 | break; | |
1b530a6d AJ |
5188 | case QEMU_OPTION_singlestep: |
5189 | singlestep = 1; | |
5190 | break; | |
cd6f1169 | 5191 | case QEMU_OPTION_S: |
3c07f8e8 | 5192 | autostart = 0; |
cd6f1169 | 5193 | break; |
5824d651 | 5194 | #ifndef _WIN32 |
3d11d0eb FB |
5195 | case QEMU_OPTION_k: |
5196 | keyboard_layout = optarg; | |
5197 | break; | |
5824d651 | 5198 | #endif |
ee22c2f7 FB |
5199 | case QEMU_OPTION_localtime: |
5200 | rtc_utc = 0; | |
5201 | break; | |
3893c124 | 5202 | case QEMU_OPTION_vga: |
5203 | select_vgahw (optarg); | |
1bfe856e | 5204 | break; |
5824d651 | 5205 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) |
e9b137c2 FB |
5206 | case QEMU_OPTION_g: |
5207 | { | |
5208 | const char *p; | |
5209 | int w, h, depth; | |
5210 | p = optarg; | |
5211 | w = strtol(p, (char **)&p, 10); | |
5212 | if (w <= 0) { | |
5213 | graphic_error: | |
5214 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
5215 | exit(1); | |
5216 | } | |
5217 | if (*p != 'x') | |
5218 | goto graphic_error; | |
5219 | p++; | |
5220 | h = strtol(p, (char **)&p, 10); | |
5221 | if (h <= 0) | |
5222 | goto graphic_error; | |
5223 | if (*p == 'x') { | |
5224 | p++; | |
5225 | depth = strtol(p, (char **)&p, 10); | |
5fafdf24 | 5226 | if (depth != 8 && depth != 15 && depth != 16 && |
e9b137c2 FB |
5227 | depth != 24 && depth != 32) |
5228 | goto graphic_error; | |
5229 | } else if (*p == '\0') { | |
5230 | depth = graphic_depth; | |
5231 | } else { | |
5232 | goto graphic_error; | |
5233 | } | |
3b46e624 | 5234 | |
e9b137c2 FB |
5235 | graphic_width = w; |
5236 | graphic_height = h; | |
5237 | graphic_depth = depth; | |
5238 | } | |
5239 | break; | |
5824d651 | 5240 | #endif |
20d8a3ed TS |
5241 | case QEMU_OPTION_echr: |
5242 | { | |
5243 | char *r; | |
5244 | term_escape_char = strtol(optarg, &r, 0); | |
5245 | if (r == optarg) | |
5246 | printf("Bad argument to echr\n"); | |
5247 | break; | |
5248 | } | |
82c643ff | 5249 | case QEMU_OPTION_monitor: |
ddd9bbd9 JK |
5250 | if (monitor_device_index >= MAX_MONITOR_DEVICES) { |
5251 | fprintf(stderr, "qemu: too many monitor devices\n"); | |
5252 | exit(1); | |
5253 | } | |
5254 | monitor_devices[monitor_device_index] = optarg; | |
5255 | monitor_device_index++; | |
82c643ff | 5256 | break; |
191bc01b GH |
5257 | case QEMU_OPTION_chardev: |
5258 | opts = qemu_opts_parse(&qemu_chardev_opts, optarg, "backend"); | |
5259 | if (!opts) { | |
5260 | fprintf(stderr, "parse error: %s\n", optarg); | |
5261 | exit(1); | |
5262 | } | |
3df04ac3 | 5263 | if (qemu_chr_open_opts(opts, NULL) == NULL) { |
191bc01b GH |
5264 | exit(1); |
5265 | } | |
5266 | break; | |
82c643ff | 5267 | case QEMU_OPTION_serial: |
8d11df9e FB |
5268 | if (serial_device_index >= MAX_SERIAL_PORTS) { |
5269 | fprintf(stderr, "qemu: too many serial ports\n"); | |
5270 | exit(1); | |
5271 | } | |
fd5f393a | 5272 | serial_devices[serial_device_index] = optarg; |
8d11df9e | 5273 | serial_device_index++; |
82c643ff | 5274 | break; |
9dd986cc | 5275 | case QEMU_OPTION_watchdog: |
09aaa160 MA |
5276 | if (watchdog) { |
5277 | fprintf(stderr, | |
5278 | "qemu: only one watchdog option may be given\n"); | |
5279 | return 1; | |
5280 | } | |
5281 | watchdog = optarg; | |
9dd986cc RJ |
5282 | break; |
5283 | case QEMU_OPTION_watchdog_action: | |
5284 | if (select_watchdog_action(optarg) == -1) { | |
5285 | fprintf(stderr, "Unknown -watchdog-action parameter\n"); | |
5286 | exit(1); | |
5287 | } | |
5288 | break; | |
51ecf136 AL |
5289 | case QEMU_OPTION_virtiocon: |
5290 | if (virtio_console_index >= MAX_VIRTIO_CONSOLES) { | |
5291 | fprintf(stderr, "qemu: too many virtio consoles\n"); | |
5292 | exit(1); | |
5293 | } | |
5294 | virtio_consoles[virtio_console_index] = optarg; | |
5295 | virtio_console_index++; | |
5296 | break; | |
6508fe59 FB |
5297 | case QEMU_OPTION_parallel: |
5298 | if (parallel_device_index >= MAX_PARALLEL_PORTS) { | |
5299 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
5300 | exit(1); | |
5301 | } | |
fd5f393a | 5302 | parallel_devices[parallel_device_index] = optarg; |
6508fe59 FB |
5303 | parallel_device_index++; |
5304 | break; | |
d63d307f FB |
5305 | case QEMU_OPTION_loadvm: |
5306 | loadvm = optarg; | |
5307 | break; | |
5308 | case QEMU_OPTION_full_screen: | |
5309 | full_screen = 1; | |
5310 | break; | |
667accab | 5311 | #ifdef CONFIG_SDL |
43523e93 TS |
5312 | case QEMU_OPTION_no_frame: |
5313 | no_frame = 1; | |
5314 | break; | |
3780e197 TS |
5315 | case QEMU_OPTION_alt_grab: |
5316 | alt_grab = 1; | |
5317 | break; | |
667accab TS |
5318 | case QEMU_OPTION_no_quit: |
5319 | no_quit = 1; | |
5320 | break; | |
7d957bd8 | 5321 | case QEMU_OPTION_sdl: |
993fbfdb | 5322 | display_type = DT_SDL; |
7d957bd8 | 5323 | break; |
667accab | 5324 | #endif |
f7cce898 | 5325 | case QEMU_OPTION_pidfile: |
93815bc2 | 5326 | pid_file = optarg; |
f7cce898 | 5327 | break; |
a09db21f FB |
5328 | #ifdef TARGET_I386 |
5329 | case QEMU_OPTION_win2k_hack: | |
5330 | win2k_install_hack = 1; | |
5331 | break; | |
73822ec8 AL |
5332 | case QEMU_OPTION_rtc_td_hack: |
5333 | rtc_td_hack = 1; | |
5334 | break; | |
8a92ea2f AL |
5335 | case QEMU_OPTION_acpitable: |
5336 | if(acpi_table_add(optarg) < 0) { | |
5337 | fprintf(stderr, "Wrong acpi table provided\n"); | |
5338 | exit(1); | |
5339 | } | |
5340 | break; | |
b6f6e3d3 AL |
5341 | case QEMU_OPTION_smbios: |
5342 | if(smbios_entry_add(optarg) < 0) { | |
5343 | fprintf(stderr, "Wrong smbios provided\n"); | |
5344 | exit(1); | |
5345 | } | |
5346 | break; | |
a09db21f | 5347 | #endif |
7ba1e619 AL |
5348 | #ifdef CONFIG_KVM |
5349 | case QEMU_OPTION_enable_kvm: | |
5350 | kvm_allowed = 1; | |
7ba1e619 | 5351 | break; |
d993e026 | 5352 | #endif |
bb36d470 FB |
5353 | case QEMU_OPTION_usb: |
5354 | usb_enabled = 1; | |
5355 | break; | |
a594cfbf FB |
5356 | case QEMU_OPTION_usbdevice: |
5357 | usb_enabled = 1; | |
bd3c948d GH |
5358 | add_device_config(DEV_USB, optarg); |
5359 | break; | |
5360 | case QEMU_OPTION_device: | |
f31d07d1 GH |
5361 | opts = qemu_opts_parse(&qemu_device_opts, optarg, "driver"); |
5362 | if (!opts) { | |
5363 | fprintf(stderr, "parse error: %s\n", optarg); | |
5364 | exit(1); | |
5365 | } | |
a594cfbf | 5366 | break; |
6a00d601 | 5367 | case QEMU_OPTION_smp: |
dc6b1c09 | 5368 | smp_parse(optarg); |
b2097003 | 5369 | if (smp_cpus < 1) { |
6a00d601 FB |
5370 | fprintf(stderr, "Invalid number of CPUs\n"); |
5371 | exit(1); | |
5372 | } | |
6be68d7e JS |
5373 | if (max_cpus < smp_cpus) { |
5374 | fprintf(stderr, "maxcpus must be equal to or greater than " | |
5375 | "smp\n"); | |
5376 | exit(1); | |
5377 | } | |
5378 | if (max_cpus > 255) { | |
5379 | fprintf(stderr, "Unsupported number of maxcpus\n"); | |
5380 | exit(1); | |
5381 | } | |
6a00d601 | 5382 | break; |
24236869 | 5383 | case QEMU_OPTION_vnc: |
993fbfdb | 5384 | display_type = DT_VNC; |
73fc9742 | 5385 | vnc_display = optarg; |
24236869 | 5386 | break; |
5824d651 | 5387 | #ifdef TARGET_I386 |
6515b203 FB |
5388 | case QEMU_OPTION_no_acpi: |
5389 | acpi_enabled = 0; | |
5390 | break; | |
16b29ae1 AL |
5391 | case QEMU_OPTION_no_hpet: |
5392 | no_hpet = 1; | |
5393 | break; | |
7d4c3d53 MA |
5394 | case QEMU_OPTION_balloon: |
5395 | if (balloon_parse(optarg) < 0) { | |
5396 | fprintf(stderr, "Unknown -balloon argument %s\n", optarg); | |
5397 | exit(1); | |
5398 | } | |
df97b920 | 5399 | break; |
5824d651 | 5400 | #endif |
d1beab82 FB |
5401 | case QEMU_OPTION_no_reboot: |
5402 | no_reboot = 1; | |
5403 | break; | |
b2f76161 AJ |
5404 | case QEMU_OPTION_no_shutdown: |
5405 | no_shutdown = 1; | |
5406 | break; | |
9467cd46 AZ |
5407 | case QEMU_OPTION_show_cursor: |
5408 | cursor_hide = 0; | |
5409 | break; | |
8fcb1b90 BS |
5410 | case QEMU_OPTION_uuid: |
5411 | if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { | |
5412 | fprintf(stderr, "Fail to parse UUID string." | |
5413 | " Wrong format.\n"); | |
5414 | exit(1); | |
5415 | } | |
5416 | break; | |
5824d651 | 5417 | #ifndef _WIN32 |
71e3ceb8 TS |
5418 | case QEMU_OPTION_daemonize: |
5419 | daemonize = 1; | |
5420 | break; | |
5824d651 | 5421 | #endif |
9ae02555 TS |
5422 | case QEMU_OPTION_option_rom: |
5423 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
5424 | fprintf(stderr, "Too many option ROMs\n"); | |
5425 | exit(1); | |
5426 | } | |
5427 | option_rom[nb_option_roms] = optarg; | |
5428 | nb_option_roms++; | |
5429 | break; | |
5824d651 | 5430 | #if defined(TARGET_ARM) || defined(TARGET_M68K) |
8e71621f PB |
5431 | case QEMU_OPTION_semihosting: |
5432 | semihosting_enabled = 1; | |
5433 | break; | |
5824d651 | 5434 | #endif |
c35734b2 | 5435 | case QEMU_OPTION_name: |
1889465a AK |
5436 | qemu_name = qemu_strdup(optarg); |
5437 | { | |
5438 | char *p = strchr(qemu_name, ','); | |
5439 | if (p != NULL) { | |
5440 | *p++ = 0; | |
5441 | if (strncmp(p, "process=", 8)) { | |
5442 | fprintf(stderr, "Unknown subargument %s to -name", p); | |
5443 | exit(1); | |
5444 | } | |
5445 | p += 8; | |
5446 | set_proc_name(p); | |
5447 | } | |
5448 | } | |
c35734b2 | 5449 | break; |
95efd11c | 5450 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
66508601 BS |
5451 | case QEMU_OPTION_prom_env: |
5452 | if (nb_prom_envs >= MAX_PROM_ENVS) { | |
5453 | fprintf(stderr, "Too many prom variables\n"); | |
5454 | exit(1); | |
5455 | } | |
5456 | prom_envs[nb_prom_envs] = optarg; | |
5457 | nb_prom_envs++; | |
5458 | break; | |
2b8f2d41 AZ |
5459 | #endif |
5460 | #ifdef TARGET_ARM | |
5461 | case QEMU_OPTION_old_param: | |
5462 | old_param = 1; | |
05ebd537 | 5463 | break; |
66508601 | 5464 | #endif |
f3dcfada TS |
5465 | case QEMU_OPTION_clock: |
5466 | configure_alarms(optarg); | |
5467 | break; | |
7e0af5d0 | 5468 | case QEMU_OPTION_startdate: |
1ed2fc1f JK |
5469 | configure_rtc_date_offset(optarg, 1); |
5470 | break; | |
5471 | case QEMU_OPTION_rtc: | |
5472 | opts = qemu_opts_parse(&qemu_rtc_opts, optarg, NULL); | |
5473 | if (!opts) { | |
5474 | fprintf(stderr, "parse error: %s\n", optarg); | |
5475 | exit(1); | |
7e0af5d0 | 5476 | } |
1ed2fc1f | 5477 | configure_rtc(opts); |
7e0af5d0 | 5478 | break; |
26a5f13b FB |
5479 | case QEMU_OPTION_tb_size: |
5480 | tb_size = strtol(optarg, NULL, 0); | |
5481 | if (tb_size < 0) | |
5482 | tb_size = 0; | |
5483 | break; | |
2e70f6ef PB |
5484 | case QEMU_OPTION_icount: |
5485 | use_icount = 1; | |
5486 | if (strcmp(optarg, "auto") == 0) { | |
5487 | icount_time_shift = -1; | |
5488 | } else { | |
5489 | icount_time_shift = strtol(optarg, NULL, 0); | |
5490 | } | |
5491 | break; | |
5bb7910a AL |
5492 | case QEMU_OPTION_incoming: |
5493 | incoming = optarg; | |
5494 | break; | |
5824d651 | 5495 | #ifndef _WIN32 |
0858532e AL |
5496 | case QEMU_OPTION_chroot: |
5497 | chroot_dir = optarg; | |
5498 | break; | |
5499 | case QEMU_OPTION_runas: | |
5500 | run_as = optarg; | |
5501 | break; | |
e37630ca AL |
5502 | #endif |
5503 | #ifdef CONFIG_XEN | |
5504 | case QEMU_OPTION_xen_domid: | |
5505 | xen_domid = atoi(optarg); | |
5506 | break; | |
5507 | case QEMU_OPTION_xen_create: | |
5508 | xen_mode = XEN_CREATE; | |
5509 | break; | |
5510 | case QEMU_OPTION_xen_attach: | |
5511 | xen_mode = XEN_ATTACH; | |
5512 | break; | |
5824d651 | 5513 | #endif |
cd6f1169 | 5514 | } |
0824d6fc FB |
5515 | } |
5516 | } | |
330d0414 | 5517 | |
5cea8590 PB |
5518 | /* If no data_dir is specified then try to find it relative to the |
5519 | executable path. */ | |
5520 | if (!data_dir) { | |
5521 | data_dir = find_datadir(argv[0]); | |
5522 | } | |
5523 | /* If all else fails use the install patch specified when building. */ | |
5524 | if (!data_dir) { | |
5525 | data_dir = CONFIG_QEMU_SHAREDIR; | |
5526 | } | |
5527 | ||
6be68d7e JS |
5528 | /* |
5529 | * Default to max_cpus = smp_cpus, in case the user doesn't | |
5530 | * specify a max_cpus value. | |
5531 | */ | |
5532 | if (!max_cpus) | |
5533 | max_cpus = smp_cpus; | |
5534 | ||
3d878caa | 5535 | machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ |
b2097003 AL |
5536 | if (smp_cpus > machine->max_cpus) { |
5537 | fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " | |
5538 | "supported by machine `%s' (%d)\n", smp_cpus, machine->name, | |
5539 | machine->max_cpus); | |
5540 | exit(1); | |
5541 | } | |
5542 | ||
993fbfdb | 5543 | if (display_type == DT_NOGRAPHIC) { |
bc0129d9 AL |
5544 | if (serial_device_index == 0) |
5545 | serial_devices[0] = "stdio"; | |
5546 | if (parallel_device_index == 0) | |
5547 | parallel_devices[0] = "null"; | |
ddd9bbd9 JK |
5548 | if (strncmp(monitor_devices[0], "vc", 2) == 0) { |
5549 | monitor_devices[0] = "stdio"; | |
5550 | } | |
bc0129d9 AL |
5551 | } |
5552 | ||
71e3ceb8 | 5553 | #ifndef _WIN32 |
71e3ceb8 TS |
5554 | if (daemonize) { |
5555 | pid_t pid; | |
5556 | ||
5557 | if (pipe(fds) == -1) | |
5558 | exit(1); | |
5559 | ||
5560 | pid = fork(); | |
5561 | if (pid > 0) { | |
5562 | uint8_t status; | |
5563 | ssize_t len; | |
5564 | ||
5565 | close(fds[1]); | |
5566 | ||
5567 | again: | |
93815bc2 TS |
5568 | len = read(fds[0], &status, 1); |
5569 | if (len == -1 && (errno == EINTR)) | |
5570 | goto again; | |
5571 | ||
5572 | if (len != 1) | |
5573 | exit(1); | |
5574 | else if (status == 1) { | |
5575 | fprintf(stderr, "Could not acquire pidfile\n"); | |
5576 | exit(1); | |
5577 | } else | |
5578 | exit(0); | |
71e3ceb8 | 5579 | } else if (pid < 0) |
93815bc2 | 5580 | exit(1); |
71e3ceb8 TS |
5581 | |
5582 | setsid(); | |
5583 | ||
5584 | pid = fork(); | |
5585 | if (pid > 0) | |
5586 | exit(0); | |
5587 | else if (pid < 0) | |
5588 | exit(1); | |
5589 | ||
5590 | umask(027); | |
71e3ceb8 TS |
5591 | |
5592 | signal(SIGTSTP, SIG_IGN); | |
5593 | signal(SIGTTOU, SIG_IGN); | |
5594 | signal(SIGTTIN, SIG_IGN); | |
5595 | } | |
71e3ceb8 | 5596 | |
aa26bb2d | 5597 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
93815bc2 TS |
5598 | if (daemonize) { |
5599 | uint8_t status = 1; | |
5600 | write(fds[1], &status, 1); | |
5601 | } else | |
5602 | fprintf(stderr, "Could not acquire pid file\n"); | |
5603 | exit(1); | |
5604 | } | |
b9e82a59 | 5605 | #endif |
93815bc2 | 5606 | |
214910a7 MT |
5607 | if (kvm_enabled()) { |
5608 | int ret; | |
5609 | ||
5610 | ret = kvm_init(smp_cpus); | |
5611 | if (ret < 0) { | |
5612 | fprintf(stderr, "failed to initialize KVM\n"); | |
5613 | exit(1); | |
5614 | } | |
5615 | } | |
5616 | ||
3fcf7b6b AL |
5617 | if (qemu_init_main_loop()) { |
5618 | fprintf(stderr, "qemu_init_main_loop failed\n"); | |
5619 | exit(1); | |
5620 | } | |
a20dd508 | 5621 | linux_boot = (kernel_filename != NULL); |
6c41b272 | 5622 | |
f8d39c01 TS |
5623 | if (!linux_boot && *kernel_cmdline != '\0') { |
5624 | fprintf(stderr, "-append only allowed with -kernel option\n"); | |
5625 | exit(1); | |
5626 | } | |
5627 | ||
5628 | if (!linux_boot && initrd_filename != NULL) { | |
5629 | fprintf(stderr, "-initrd only allowed with -kernel option\n"); | |
5630 | exit(1); | |
5631 | } | |
5632 | ||
bf65f53f FN |
5633 | #ifndef _WIN32 |
5634 | /* Win32 doesn't support line-buffering and requires size >= 2 */ | |
b118d61e | 5635 | setvbuf(stdout, NULL, _IOLBF, 0); |
bf65f53f | 5636 | #endif |
3b46e624 | 5637 | |
7183b4b4 AL |
5638 | if (init_timer_alarm() < 0) { |
5639 | fprintf(stderr, "could not initialize alarm timer\n"); | |
5640 | exit(1); | |
5641 | } | |
2e70f6ef PB |
5642 | if (use_icount && icount_time_shift < 0) { |
5643 | use_icount = 2; | |
5644 | /* 125MIPS seems a reasonable initial guess at the guest speed. | |
5645 | It will be corrected fairly quickly anyway. */ | |
5646 | icount_time_shift = 3; | |
5647 | init_icount_adjust(); | |
5648 | } | |
634fce96 | 5649 | |
fd1dff4b FB |
5650 | #ifdef _WIN32 |
5651 | socket_init(); | |
5652 | #endif | |
5653 | ||
7c9d8e07 FB |
5654 | /* init network clients */ |
5655 | if (nb_net_clients == 0) { | |
5656 | /* if no clients, we use a default config */ | |
f441b28b AL |
5657 | net_clients[nb_net_clients++] = "nic"; |
5658 | #ifdef CONFIG_SLIRP | |
5659 | net_clients[nb_net_clients++] = "user"; | |
5660 | #endif | |
c20709aa FB |
5661 | } |
5662 | ||
7c9d8e07 | 5663 | for(i = 0;i < nb_net_clients; i++) { |
9ad97e65 | 5664 | if (net_client_parse(net_clients[i]) < 0) |
7c9d8e07 | 5665 | exit(1); |
702c651c | 5666 | } |
f1510b2c | 5667 | |
406c8df3 GC |
5668 | net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
5669 | net_set_boot_mask(net_boot); | |
5670 | ||
5671 | net_client_check(); | |
eec85c2a | 5672 | |
dc72ac14 | 5673 | /* init the bluetooth world */ |
bd3c948d GH |
5674 | if (foreach_device_config(DEV_BT, bt_parse)) |
5675 | exit(1); | |
dc72ac14 | 5676 | |
0824d6fc | 5677 | /* init the memory */ |
94a6b54f PB |
5678 | if (ram_size == 0) |
5679 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
9ae02555 | 5680 | |
26a5f13b FB |
5681 | /* init the dynamic translator */ |
5682 | cpu_exec_init_all(tb_size * 1024 * 1024); | |
5683 | ||
5905b2e5 | 5684 | bdrv_init(); |
c4b1fcc0 | 5685 | |
e4bcb14c | 5686 | /* we always create the cdrom drive, even if no disk is there */ |
3b0ba927 | 5687 | drive_add(NULL, CDROM_ALIAS); |
c4b1fcc0 | 5688 | |
9d413d1d | 5689 | /* we always create at least one floppy */ |
3b0ba927 | 5690 | drive_add(NULL, FD_ALIAS, 0); |
86f55663 | 5691 | |
9d413d1d | 5692 | /* we always create one sd slot, even if no card is in it */ |
3b0ba927 | 5693 | drive_add(NULL, SD_ALIAS); |
9d413d1d | 5694 | |
e4bcb14c | 5695 | /* open the virtual block devices */ |
9dfd7c7a | 5696 | if (snapshot) |
7282a033 GH |
5697 | qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0); |
5698 | if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0) | |
9dfd7c7a | 5699 | exit(1); |
3e3d5815 | 5700 | |
2faf58cd | 5701 | vmstate_register(0, &vmstate_timers ,&timers_state); |
475e4277 | 5702 | register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL); |
8a7ddc38 | 5703 | |
3023f332 | 5704 | /* Maintain compatibility with multiple stdio monitors */ |
ddd9bbd9 | 5705 | if (!strcmp(monitor_devices[0],"stdio")) { |
3023f332 AL |
5706 | for (i = 0; i < MAX_SERIAL_PORTS; i++) { |
5707 | const char *devname = serial_devices[i]; | |
5708 | if (devname && !strcmp(devname,"mon:stdio")) { | |
ddd9bbd9 | 5709 | monitor_devices[0] = NULL; |
3023f332 AL |
5710 | break; |
5711 | } else if (devname && !strcmp(devname,"stdio")) { | |
ddd9bbd9 | 5712 | monitor_devices[0] = NULL; |
3023f332 AL |
5713 | serial_devices[i] = "mon:stdio"; |
5714 | break; | |
5715 | } | |
5716 | } | |
5717 | } | |
5718 | ||
268a362c AL |
5719 | if (nb_numa_nodes > 0) { |
5720 | int i; | |
5721 | ||
5722 | if (nb_numa_nodes > smp_cpus) { | |
5723 | nb_numa_nodes = smp_cpus; | |
5724 | } | |
5725 | ||
5726 | /* If no memory size if given for any node, assume the default case | |
5727 | * and distribute the available memory equally across all nodes | |
5728 | */ | |
5729 | for (i = 0; i < nb_numa_nodes; i++) { | |
5730 | if (node_mem[i] != 0) | |
5731 | break; | |
5732 | } | |
5733 | if (i == nb_numa_nodes) { | |
5734 | uint64_t usedmem = 0; | |
5735 | ||
5736 | /* On Linux, the each node's border has to be 8MB aligned, | |
5737 | * the final node gets the rest. | |
5738 | */ | |
5739 | for (i = 0; i < nb_numa_nodes - 1; i++) { | |
5740 | node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); | |
5741 | usedmem += node_mem[i]; | |
5742 | } | |
5743 | node_mem[i] = ram_size - usedmem; | |
5744 | } | |
5745 | ||
5746 | for (i = 0; i < nb_numa_nodes; i++) { | |
5747 | if (node_cpumask[i] != 0) | |
5748 | break; | |
5749 | } | |
5750 | /* assigning the VCPUs round-robin is easier to implement, guest OSes | |
5751 | * must cope with this anyway, because there are BIOSes out there in | |
5752 | * real machines which also use this scheme. | |
5753 | */ | |
5754 | if (i == nb_numa_nodes) { | |
5755 | for (i = 0; i < smp_cpus; i++) { | |
5756 | node_cpumask[i % nb_numa_nodes] |= 1 << i; | |
5757 | } | |
5758 | } | |
5759 | } | |
5760 | ||
ddd9bbd9 JK |
5761 | for (i = 0; i < MAX_MONITOR_DEVICES; i++) { |
5762 | const char *devname = monitor_devices[i]; | |
5763 | if (devname && strcmp(devname, "none")) { | |
5764 | char label[32]; | |
5765 | if (i == 0) { | |
5766 | snprintf(label, sizeof(label), "monitor"); | |
5767 | } else { | |
5768 | snprintf(label, sizeof(label), "monitor%d", i); | |
5769 | } | |
5770 | monitor_hds[i] = qemu_chr_open(label, devname, NULL); | |
5771 | if (!monitor_hds[i]) { | |
5772 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", | |
5773 | devname); | |
5774 | exit(1); | |
5775 | } | |
4c621805 AL |
5776 | } |
5777 | } | |
5778 | ||
2796dae0 AL |
5779 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
5780 | const char *devname = serial_devices[i]; | |
5781 | if (devname && strcmp(devname, "none")) { | |
324a8021 AJ |
5782 | char label[32]; |
5783 | snprintf(label, sizeof(label), "serial%d", i); | |
ceecf1d1 | 5784 | serial_hds[i] = qemu_chr_open(label, devname, NULL); |
324a8021 AJ |
5785 | if (!serial_hds[i]) { |
5786 | fprintf(stderr, "qemu: could not open serial device '%s'\n", | |
5787 | devname); | |
5788 | exit(1); | |
5789 | } | |
2796dae0 AL |
5790 | } |
5791 | } | |
5792 | ||
5793 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { | |
5794 | const char *devname = parallel_devices[i]; | |
5795 | if (devname && strcmp(devname, "none")) { | |
5796 | char label[32]; | |
5797 | snprintf(label, sizeof(label), "parallel%d", i); | |
ceecf1d1 | 5798 | parallel_hds[i] = qemu_chr_open(label, devname, NULL); |
2796dae0 AL |
5799 | if (!parallel_hds[i]) { |
5800 | fprintf(stderr, "qemu: could not open parallel device '%s'\n", | |
5801 | devname); | |
5802 | exit(1); | |
5803 | } | |
5804 | } | |
5805 | } | |
5806 | ||
5807 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) { | |
5808 | const char *devname = virtio_consoles[i]; | |
5809 | if (devname && strcmp(devname, "none")) { | |
5810 | char label[32]; | |
5811 | snprintf(label, sizeof(label), "virtcon%d", i); | |
ceecf1d1 | 5812 | virtcon_hds[i] = qemu_chr_open(label, devname, NULL); |
2796dae0 AL |
5813 | if (!virtcon_hds[i]) { |
5814 | fprintf(stderr, "qemu: could not open virtio console '%s'\n", | |
5815 | devname); | |
5816 | exit(1); | |
5817 | } | |
5818 | } | |
5819 | } | |
5820 | ||
aae9460e PB |
5821 | module_call_init(MODULE_INIT_DEVICE); |
5822 | ||
09aaa160 MA |
5823 | if (watchdog) { |
5824 | i = select_watchdog(watchdog); | |
5825 | if (i > 0) | |
5826 | exit (i == 1 ? 1 : 0); | |
5827 | } | |
5828 | ||
b6b61144 GH |
5829 | if (machine->compat_props) { |
5830 | qdev_prop_register_compat(machine->compat_props); | |
5831 | } | |
fbe1b595 | 5832 | machine->init(ram_size, boot_devices, |
3023f332 AL |
5833 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
5834 | ||
268a362c | 5835 | |
67b3b71d JQ |
5836 | #ifndef _WIN32 |
5837 | /* must be after terminal init, SDL library changes signal handlers */ | |
5838 | sighandler_setup(); | |
5839 | #endif | |
5840 | ||
268a362c AL |
5841 | for (env = first_cpu; env != NULL; env = env->next_cpu) { |
5842 | for (i = 0; i < nb_numa_nodes; i++) { | |
5843 | if (node_cpumask[i] & (1 << env->cpu_index)) { | |
5844 | env->numa_node = i; | |
5845 | } | |
5846 | } | |
5847 | } | |
5848 | ||
6f338c34 AL |
5849 | current_machine = machine; |
5850 | ||
3023f332 AL |
5851 | /* init USB devices */ |
5852 | if (usb_enabled) { | |
bd3c948d | 5853 | foreach_device_config(DEV_USB, usb_parse); |
3023f332 AL |
5854 | } |
5855 | ||
bd3c948d | 5856 | /* init generic devices */ |
f31d07d1 | 5857 | if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0) |
bd3c948d GH |
5858 | exit(1); |
5859 | ||
8f391ab4 AL |
5860 | if (!display_state) |
5861 | dumb_display_init(); | |
3023f332 AL |
5862 | /* just use the first displaystate for the moment */ |
5863 | ds = display_state; | |
993fbfdb AL |
5864 | |
5865 | if (display_type == DT_DEFAULT) { | |
5866 | #if defined(CONFIG_SDL) || defined(CONFIG_COCOA) | |
5867 | display_type = DT_SDL; | |
5868 | #else | |
5869 | display_type = DT_VNC; | |
5870 | vnc_display = "localhost:0,to=99"; | |
5871 | show_vnc_port = 1; | |
5872 | #endif | |
5873 | } | |
5874 | ||
5875 | ||
5876 | switch (display_type) { | |
5877 | case DT_NOGRAPHIC: | |
5878 | break; | |
4d3b6f6e | 5879 | #if defined(CONFIG_CURSES) |
993fbfdb AL |
5880 | case DT_CURSES: |
5881 | curses_display_init(ds, full_screen); | |
5882 | break; | |
4d3b6f6e | 5883 | #endif |
5b0753e0 | 5884 | #if defined(CONFIG_SDL) |
993fbfdb AL |
5885 | case DT_SDL: |
5886 | sdl_display_init(ds, full_screen, no_frame); | |
5887 | break; | |
5b0753e0 | 5888 | #elif defined(CONFIG_COCOA) |
993fbfdb AL |
5889 | case DT_SDL: |
5890 | cocoa_display_init(ds, full_screen); | |
5891 | break; | |
313aa567 | 5892 | #endif |
993fbfdb AL |
5893 | case DT_VNC: |
5894 | vnc_display_init(ds); | |
5895 | if (vnc_display_open(ds, vnc_display) < 0) | |
5896 | exit(1); | |
f92f8afe | 5897 | |
993fbfdb AL |
5898 | if (show_vnc_port) { |
5899 | printf("VNC server running on `%s'\n", vnc_display_local_addr(ds)); | |
f92f8afe | 5900 | } |
993fbfdb AL |
5901 | break; |
5902 | default: | |
5903 | break; | |
313aa567 | 5904 | } |
7d957bd8 | 5905 | dpy_resize(ds); |
5b08fc10 | 5906 | |
3023f332 AL |
5907 | dcl = ds->listeners; |
5908 | while (dcl != NULL) { | |
5909 | if (dcl->dpy_refresh != NULL) { | |
5910 | ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds); | |
5911 | qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock)); | |
20d8a3ed | 5912 | } |
3023f332 | 5913 | dcl = dcl->next; |
20d8a3ed | 5914 | } |
3023f332 | 5915 | |
993fbfdb | 5916 | if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) { |
9043b62d BS |
5917 | nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL); |
5918 | qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock)); | |
5919 | } | |
5920 | ||
2796dae0 | 5921 | text_consoles_set_display(display_state); |
2970a6c9 | 5922 | qemu_chr_initial_reset(); |
2796dae0 | 5923 | |
ddd9bbd9 JK |
5924 | for (i = 0; i < MAX_MONITOR_DEVICES; i++) { |
5925 | if (monitor_devices[i] && monitor_hds[i]) { | |
5926 | monitor_init(monitor_hds[i], | |
5927 | MONITOR_USE_READLINE | | |
5928 | ((i == 0) ? MONITOR_IS_DEFAULT : 0)); | |
5929 | } | |
5930 | } | |
82c643ff | 5931 | |
8d11df9e | 5932 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
c03b0f0f | 5933 | const char *devname = serial_devices[i]; |
fd5f393a | 5934 | if (devname && strcmp(devname, "none")) { |
af3a9031 | 5935 | if (strstart(devname, "vc", 0)) |
7ba1260a | 5936 | qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i); |
8d11df9e | 5937 | } |
82c643ff | 5938 | } |
82c643ff | 5939 | |
6508fe59 | 5940 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
c03b0f0f | 5941 | const char *devname = parallel_devices[i]; |
fd5f393a | 5942 | if (devname && strcmp(devname, "none")) { |
af3a9031 | 5943 | if (strstart(devname, "vc", 0)) |
7ba1260a | 5944 | qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i); |
6508fe59 FB |
5945 | } |
5946 | } | |
5947 | ||
9ede2fde AL |
5948 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) { |
5949 | const char *devname = virtio_consoles[i]; | |
2796dae0 | 5950 | if (virtcon_hds[i] && devname) { |
9ede2fde AL |
5951 | if (strstart(devname, "vc", 0)) |
5952 | qemu_chr_printf(virtcon_hds[i], "virtio console%d\r\n", i); | |
5953 | } | |
5954 | } | |
5955 | ||
59030a8c AL |
5956 | if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { |
5957 | fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n", | |
5958 | gdbstub_dev); | |
5959 | exit(1); | |
45669e00 | 5960 | } |
45669e00 | 5961 | |
05f2401e JQ |
5962 | if (loadvm) { |
5963 | if (load_vmstate(cur_mon, loadvm) < 0) { | |
5964 | autostart = 0; | |
5965 | } | |
5966 | } | |
d63d307f | 5967 | |
2bb8c10c | 5968 | if (incoming) { |
5bb7910a | 5969 | qemu_start_incoming_migration(incoming); |
6b99dadc | 5970 | } else if (autostart) { |
c0f4ce77 | 5971 | vm_start(); |
6b99dadc | 5972 | } |
ffd843bc | 5973 | |
b9e82a59 | 5974 | #ifndef _WIN32 |
71e3ceb8 TS |
5975 | if (daemonize) { |
5976 | uint8_t status = 0; | |
5977 | ssize_t len; | |
71e3ceb8 TS |
5978 | |
5979 | again1: | |
5980 | len = write(fds[1], &status, 1); | |
5981 | if (len == -1 && (errno == EINTR)) | |
5982 | goto again1; | |
5983 | ||
5984 | if (len != 1) | |
5985 | exit(1); | |
5986 | ||
bd54b863 | 5987 | chdir("/"); |
aeb30be6 | 5988 | TFR(fd = open("/dev/null", O_RDWR)); |
71e3ceb8 TS |
5989 | if (fd == -1) |
5990 | exit(1); | |
0858532e | 5991 | } |
71e3ceb8 | 5992 | |
0858532e AL |
5993 | if (run_as) { |
5994 | pwd = getpwnam(run_as); | |
5995 | if (!pwd) { | |
5996 | fprintf(stderr, "User \"%s\" doesn't exist\n", run_as); | |
5997 | exit(1); | |
5998 | } | |
5999 | } | |
6000 | ||
6001 | if (chroot_dir) { | |
6002 | if (chroot(chroot_dir) < 0) { | |
6003 | fprintf(stderr, "chroot failed\n"); | |
6004 | exit(1); | |
6005 | } | |
6006 | chdir("/"); | |
6007 | } | |
6008 | ||
6009 | if (run_as) { | |
6010 | if (setgid(pwd->pw_gid) < 0) { | |
6011 | fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid); | |
6012 | exit(1); | |
6013 | } | |
6014 | if (setuid(pwd->pw_uid) < 0) { | |
6015 | fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid); | |
6016 | exit(1); | |
6017 | } | |
6018 | if (setuid(0) != -1) { | |
6019 | fprintf(stderr, "Dropping privileges failed\n"); | |
6020 | exit(1); | |
6021 | } | |
6022 | } | |
0858532e AL |
6023 | |
6024 | if (daemonize) { | |
6025 | dup2(fd, 0); | |
6026 | dup2(fd, 1); | |
6027 | dup2(fd, 2); | |
71e3ceb8 | 6028 | |
0858532e | 6029 | close(fd); |
71e3ceb8 | 6030 | } |
b9e82a59 | 6031 | #endif |
71e3ceb8 | 6032 | |
8a7ddc38 | 6033 | main_loop(); |
40c3bac3 | 6034 | quit_timers(); |
63a01ef8 | 6035 | net_cleanup(); |
b46a8906 | 6036 | |
0824d6fc FB |
6037 | return 0; |
6038 | } |