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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 | 46 | #include <net/if.h> |
24646c7e | 47 | #include <arpa/inet.h> |
9d728e8c | 48 | #include <dirent.h> |
7c9d8e07 | 49 | #include <netdb.h> |
cb4b976b | 50 | #include <sys/select.h> |
71e72a19 | 51 | #ifdef CONFIG_BSD |
7d3505c5 | 52 | #include <sys/stat.h> |
a167ba50 | 53 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) |
7d3505c5 | 54 | #include <libutil.h> |
24646c7e BS |
55 | #else |
56 | #include <util.h> | |
128ab2ff | 57 | #endif |
bbe813a2 | 58 | #else |
223f0d72 | 59 | #ifdef __linux__ |
7d3505c5 FB |
60 | #include <pty.h> |
61 | #include <malloc.h> | |
fd872598 | 62 | #include <linux/rtc.h> |
1889465a | 63 | #include <sys/prctl.h> |
bd494f4c TS |
64 | |
65 | /* For the benefit of older linux systems which don't supply it, | |
66 | we use a local copy of hpet.h. */ | |
67 | /* #include <linux/hpet.h> */ | |
68 | #include "hpet.h" | |
69 | ||
e57a8c0e | 70 | #include <linux/ppdev.h> |
5867c88a | 71 | #include <linux/parport.h> |
223f0d72 BS |
72 | #endif |
73 | #ifdef __sun__ | |
d5d10bc3 TS |
74 | #include <sys/stat.h> |
75 | #include <sys/ethernet.h> | |
76 | #include <sys/sockio.h> | |
d5d10bc3 TS |
77 | #include <netinet/arp.h> |
78 | #include <netinet/in.h> | |
79 | #include <netinet/in_systm.h> | |
80 | #include <netinet/ip.h> | |
81 | #include <netinet/ip_icmp.h> // must come after ip.h | |
82 | #include <netinet/udp.h> | |
83 | #include <netinet/tcp.h> | |
84 | #include <net/if.h> | |
85 | #include <syslog.h> | |
86 | #include <stropts.h> | |
8d32cf0e BS |
87 | /* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for |
88 | discussion about Solaris header problems */ | |
89 | extern int madvise(caddr_t, size_t, int); | |
67b915a5 | 90 | #endif |
7d3505c5 | 91 | #endif |
ec530c81 | 92 | #endif |
67b915a5 | 93 | |
9892fbfb BS |
94 | #if defined(__OpenBSD__) |
95 | #include <util.h> | |
96 | #endif | |
97 | ||
8a16d273 TS |
98 | #if defined(CONFIG_VDE) |
99 | #include <libvdeplug.h> | |
100 | #endif | |
101 | ||
67b915a5 | 102 | #ifdef _WIN32 |
49dc768d | 103 | #include <windows.h> |
4fddf62a | 104 | #include <mmsystem.h> |
67b915a5 FB |
105 | #endif |
106 | ||
73332e5c | 107 | #ifdef CONFIG_SDL |
59a36a2f | 108 | #if defined(__APPLE__) || defined(main) |
6693665a | 109 | #include <SDL.h> |
880fec5d | 110 | int qemu_main(int argc, char **argv, char **envp); |
111 | int main(int argc, char **argv) | |
112 | { | |
59a36a2f | 113 | return qemu_main(argc, argv, NULL); |
880fec5d | 114 | } |
115 | #undef main | |
116 | #define main qemu_main | |
96bcd4f8 | 117 | #endif |
73332e5c | 118 | #endif /* CONFIG_SDL */ |
0824d6fc | 119 | |
5b0753e0 FB |
120 | #ifdef CONFIG_COCOA |
121 | #undef main | |
122 | #define main qemu_main | |
123 | #endif /* CONFIG_COCOA */ | |
124 | ||
511d2b14 BS |
125 | #include "hw/hw.h" |
126 | #include "hw/boards.h" | |
127 | #include "hw/usb.h" | |
128 | #include "hw/pcmcia.h" | |
129 | #include "hw/pc.h" | |
130 | #include "hw/audiodev.h" | |
131 | #include "hw/isa.h" | |
132 | #include "hw/baum.h" | |
133 | #include "hw/bt.h" | |
9dd986cc | 134 | #include "hw/watchdog.h" |
b6f6e3d3 | 135 | #include "hw/smbios.h" |
e37630ca | 136 | #include "hw/xen.h" |
bd3c948d | 137 | #include "hw/qdev.h" |
45a50b16 | 138 | #include "hw/loader.h" |
5ef4efa4 | 139 | #include "bt-host.h" |
511d2b14 | 140 | #include "net.h" |
68ac40d2 | 141 | #include "net/slirp.h" |
511d2b14 BS |
142 | #include "monitor.h" |
143 | #include "console.h" | |
144 | #include "sysemu.h" | |
145 | #include "gdbstub.h" | |
146 | #include "qemu-timer.h" | |
147 | #include "qemu-char.h" | |
148 | #include "cache-utils.h" | |
149 | #include "block.h" | |
c163b5ca | 150 | #include "block_int.h" |
151 | #include "block-migration.h" | |
a718acec | 152 | #include "dma.h" |
511d2b14 BS |
153 | #include "audio/audio.h" |
154 | #include "migration.h" | |
155 | #include "kvm.h" | |
156 | #include "balloon.h" | |
d3f24367 | 157 | #include "qemu-option.h" |
7282a033 | 158 | #include "qemu-config.h" |
e78c48ec | 159 | #include "qemu-objects.h" |
511d2b14 | 160 | |
0824d6fc | 161 | #include "disas.h" |
fc01f7e7 | 162 | |
8a7ddc38 | 163 | #include "exec-all.h" |
0824d6fc | 164 | |
511d2b14 BS |
165 | #include "qemu_socket.h" |
166 | ||
d918f23e | 167 | #include "slirp/libslirp.h" |
511d2b14 | 168 | |
72cf2d4f BS |
169 | #include "qemu-queue.h" |
170 | ||
9dc63a1e BS |
171 | //#define DEBUG_NET |
172 | //#define DEBUG_SLIRP | |
330d0414 | 173 | |
1bfe856e | 174 | #define DEFAULT_RAM_SIZE 128 |
313aa567 | 175 | |
5cea8590 | 176 | static const char *data_dir; |
1192dad8 | 177 | const char *bios_name = NULL; |
e4bcb14c | 178 | /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available |
faea38e7 | 179 | to store the VM snapshots */ |
72cf2d4f BS |
180 | struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives); |
181 | struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts); | |
cb5a7aa8 | 182 | enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; |
3023f332 | 183 | static DisplayState *display_state; |
993fbfdb | 184 | DisplayType display_type = DT_DEFAULT; |
3d11d0eb | 185 | const char* keyboard_layout = NULL; |
c227f099 | 186 | ram_addr_t ram_size; |
c4b1fcc0 | 187 | int nb_nics; |
7c9d8e07 | 188 | NICInfo nd_table[MAX_NICS]; |
8a7ddc38 | 189 | int vm_running; |
d399f677 | 190 | int autostart; |
f6503059 AZ |
191 | static int rtc_utc = 1; |
192 | static int rtc_date_offset = -1; /* -1 means no change */ | |
6875204c | 193 | QEMUClock *rtc_clock; |
64465297 | 194 | int vga_interface_type = VGA_NONE; |
d827220b FB |
195 | #ifdef TARGET_SPARC |
196 | int graphic_width = 1024; | |
197 | int graphic_height = 768; | |
eee0b836 | 198 | int graphic_depth = 8; |
d827220b | 199 | #else |
1bfe856e FB |
200 | int graphic_width = 800; |
201 | int graphic_height = 600; | |
e9b137c2 | 202 | int graphic_depth = 15; |
eee0b836 | 203 | #endif |
dbed7e40 | 204 | static int full_screen = 0; |
634a21f6 | 205 | #ifdef CONFIG_SDL |
dbed7e40 | 206 | static int no_frame = 0; |
634a21f6 | 207 | #endif |
667accab | 208 | int no_quit = 0; |
8d11df9e | 209 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
6508fe59 | 210 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
9ede2fde | 211 | CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; |
a09db21f FB |
212 | #ifdef TARGET_I386 |
213 | int win2k_install_hack = 0; | |
73822ec8 | 214 | int rtc_td_hack = 0; |
a09db21f | 215 | #endif |
bb36d470 | 216 | int usb_enabled = 0; |
1b530a6d | 217 | int singlestep = 0; |
6a00d601 | 218 | int smp_cpus = 1; |
6be68d7e | 219 | int max_cpus = 0; |
dc6b1c09 AP |
220 | int smp_cores = 1; |
221 | int smp_threads = 1; | |
73fc9742 | 222 | const char *vnc_display; |
6515b203 | 223 | int acpi_enabled = 1; |
16b29ae1 | 224 | int no_hpet = 0; |
52ca8d6a | 225 | int fd_bootchk = 1; |
d1beab82 | 226 | int no_reboot = 0; |
b2f76161 | 227 | int no_shutdown = 0; |
9467cd46 | 228 | int cursor_hide = 1; |
a171fe39 | 229 | int graphic_rotate = 0; |
6b35e7bf | 230 | uint8_t irq0override = 1; |
b9e82a59 | 231 | #ifndef _WIN32 |
71e3ceb8 | 232 | int daemonize = 0; |
b9e82a59 | 233 | #endif |
09aaa160 | 234 | const char *watchdog; |
9ae02555 TS |
235 | const char *option_rom[MAX_OPTION_ROMS]; |
236 | int nb_option_roms; | |
8e71621f | 237 | int semihosting_enabled = 0; |
2b8f2d41 AZ |
238 | #ifdef TARGET_ARM |
239 | int old_param = 0; | |
240 | #endif | |
c35734b2 | 241 | const char *qemu_name; |
3780e197 | 242 | int alt_grab = 0; |
0ca9f8a4 | 243 | int ctrl_grab = 0; |
95efd11c | 244 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
66508601 BS |
245 | unsigned int nb_prom_envs = 0; |
246 | const char *prom_envs[MAX_PROM_ENVS]; | |
247 | #endif | |
95387491 | 248 | int boot_menu; |
0824d6fc | 249 | |
268a362c AL |
250 | int nb_numa_nodes; |
251 | uint64_t node_mem[MAX_NODES]; | |
252 | uint64_t node_cpumask[MAX_NODES]; | |
253 | ||
ee5605e5 AZ |
254 | static CPUState *cur_cpu; |
255 | static CPUState *next_cpu; | |
43b96858 | 256 | static int timer_alarm_pending = 1; |
bf20dc07 | 257 | /* Conversion factor from emulated instructions to virtual clock ticks. */ |
2e70f6ef | 258 | static int icount_time_shift; |
bf20dc07 | 259 | /* Arbitrarily pick 1MIPS as the minimum allowable speed. */ |
2e70f6ef PB |
260 | #define MAX_ICOUNT_SHIFT 10 |
261 | /* Compensate for varying guest execution speed. */ | |
262 | static int64_t qemu_icount_bias; | |
dbed7e40 BS |
263 | static QEMUTimer *icount_rt_timer; |
264 | static QEMUTimer *icount_vm_timer; | |
9043b62d | 265 | static QEMUTimer *nographic_timer; |
ee5605e5 | 266 | |
8fcb1b90 BS |
267 | uint8_t qemu_uuid[16]; |
268 | ||
76e30d0f JK |
269 | static QEMUBootSetHandler *boot_set_handler; |
270 | static void *boot_set_opaque; | |
271 | ||
998bbd74 | 272 | static int default_serial = 1; |
6a5e8b0e | 273 | static int default_parallel = 1; |
986c5f78 | 274 | static int default_virtcon = 1; |
abdeed06 | 275 | static int default_monitor = 1; |
64465297 | 276 | static int default_vga = 1; |
ac33f8fa GH |
277 | static int default_floppy = 1; |
278 | static int default_cdrom = 1; | |
279 | static int default_sdcard = 1; | |
998bbd74 GH |
280 | |
281 | static struct { | |
282 | const char *driver; | |
283 | int *flag; | |
284 | } default_list[] = { | |
6a5e8b0e GH |
285 | { .driver = "isa-serial", .flag = &default_serial }, |
286 | { .driver = "isa-parallel", .flag = &default_parallel }, | |
d8bcbabf GH |
287 | { .driver = "isa-fdc", .flag = &default_floppy }, |
288 | { .driver = "ide-drive", .flag = &default_cdrom }, | |
aee1b935 GH |
289 | { .driver = "virtio-console-pci", .flag = &default_virtcon }, |
290 | { .driver = "virtio-console-s390", .flag = &default_virtcon }, | |
64465297 | 291 | { .driver = "VGA", .flag = &default_vga }, |
69fd02ee GH |
292 | { .driver = "cirrus-vga", .flag = &default_vga }, |
293 | { .driver = "vmware-svga", .flag = &default_vga }, | |
998bbd74 GH |
294 | }; |
295 | ||
296 | static int default_driver_check(QemuOpts *opts, void *opaque) | |
297 | { | |
298 | const char *driver = qemu_opt_get(opts, "driver"); | |
299 | int i; | |
300 | ||
301 | if (!driver) | |
302 | return 0; | |
303 | for (i = 0; i < ARRAY_SIZE(default_list); i++) { | |
304 | if (strcmp(default_list[i].driver, driver) != 0) | |
305 | continue; | |
306 | *(default_list[i].flag) = 0; | |
307 | } | |
308 | return 0; | |
309 | } | |
310 | ||
0824d6fc | 311 | /***********************************************************/ |
26aa7d72 FB |
312 | /* x86 ISA bus support */ |
313 | ||
c227f099 | 314 | target_phys_addr_t isa_mem_base = 0; |
3de388f6 | 315 | PicState2 *isa_pic; |
0824d6fc | 316 | |
0824d6fc | 317 | /***********************************************************/ |
0824d6fc FB |
318 | void hw_error(const char *fmt, ...) |
319 | { | |
320 | va_list ap; | |
6a00d601 | 321 | CPUState *env; |
0824d6fc FB |
322 | |
323 | va_start(ap, fmt); | |
324 | fprintf(stderr, "qemu: hardware error: "); | |
325 | vfprintf(stderr, fmt, ap); | |
326 | fprintf(stderr, "\n"); | |
6a00d601 FB |
327 | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
328 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
0824d6fc | 329 | #ifdef TARGET_I386 |
6a00d601 | 330 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
c45886db | 331 | #else |
6a00d601 | 332 | cpu_dump_state(env, stderr, fprintf, 0); |
0824d6fc | 333 | #endif |
6a00d601 | 334 | } |
0824d6fc FB |
335 | va_end(ap); |
336 | abort(); | |
337 | } | |
1889465a AK |
338 | |
339 | static void set_proc_name(const char *s) | |
340 | { | |
6ca8d0fd | 341 | #if defined(__linux__) && defined(PR_SET_NAME) |
1889465a AK |
342 | char name[16]; |
343 | if (!s) | |
344 | return; | |
345 | name[sizeof(name) - 1] = 0; | |
346 | strncpy(name, s, sizeof(name)); | |
347 | /* Could rewrite argv[0] too, but that's a bit more complicated. | |
348 | This simple way is enough for `top'. */ | |
349 | prctl(PR_SET_NAME, name); | |
350 | #endif | |
351 | } | |
df751fa8 AL |
352 | |
353 | /***************/ | |
354 | /* ballooning */ | |
355 | ||
356 | static QEMUBalloonEvent *qemu_balloon_event; | |
357 | void *qemu_balloon_event_opaque; | |
358 | ||
359 | void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) | |
360 | { | |
361 | qemu_balloon_event = func; | |
362 | qemu_balloon_event_opaque = opaque; | |
363 | } | |
364 | ||
c227f099 | 365 | void qemu_balloon(ram_addr_t target) |
df751fa8 AL |
366 | { |
367 | if (qemu_balloon_event) | |
368 | qemu_balloon_event(qemu_balloon_event_opaque, target); | |
369 | } | |
370 | ||
c227f099 | 371 | ram_addr_t qemu_balloon_status(void) |
df751fa8 AL |
372 | { |
373 | if (qemu_balloon_event) | |
374 | return qemu_balloon_event(qemu_balloon_event_opaque, 0); | |
375 | return 0; | |
376 | } | |
0824d6fc | 377 | |
455204eb | 378 | |
8f0056b7 PB |
379 | /***********************************************************/ |
380 | /* real time host monotonic timer */ | |
09b26c5e | 381 | |
1dce7c3c FB |
382 | /* compute with 96 bit intermediate result: (a*b)/c */ |
383 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
0824d6fc | 384 | { |
1dce7c3c FB |
385 | union { |
386 | uint64_t ll; | |
387 | struct { | |
e2542fe2 | 388 | #ifdef HOST_WORDS_BIGENDIAN |
1dce7c3c FB |
389 | uint32_t high, low; |
390 | #else | |
391 | uint32_t low, high; | |
3b46e624 | 392 | #endif |
1dce7c3c FB |
393 | } l; |
394 | } u, res; | |
395 | uint64_t rl, rh; | |
0824d6fc | 396 | |
1dce7c3c FB |
397 | u.ll = a; |
398 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
399 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
400 | rh += (rl >> 32); | |
401 | res.l.high = rh / c; | |
402 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
403 | return res.ll; | |
34865134 FB |
404 | } |
405 | ||
21d5d12b JK |
406 | static int64_t get_clock_realtime(void) |
407 | { | |
408 | struct timeval tv; | |
409 | ||
410 | gettimeofday(&tv, NULL); | |
411 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); | |
412 | } | |
413 | ||
1dce7c3c | 414 | #ifdef WIN32 |
0824d6fc | 415 | |
1dce7c3c | 416 | static int64_t clock_freq; |
1115dde7 | 417 | |
1dce7c3c | 418 | static void init_get_clock(void) |
1115dde7 | 419 | { |
a8e5ac33 FB |
420 | LARGE_INTEGER freq; |
421 | int ret; | |
1dce7c3c FB |
422 | ret = QueryPerformanceFrequency(&freq); |
423 | if (ret == 0) { | |
424 | fprintf(stderr, "Could not calibrate ticks\n"); | |
425 | exit(1); | |
426 | } | |
427 | clock_freq = freq.QuadPart; | |
1115dde7 FB |
428 | } |
429 | ||
1dce7c3c | 430 | static int64_t get_clock(void) |
b8076a74 | 431 | { |
1dce7c3c FB |
432 | LARGE_INTEGER ti; |
433 | QueryPerformanceCounter(&ti); | |
274dfed8 | 434 | return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq); |
b8076a74 FB |
435 | } |
436 | ||
1dce7c3c | 437 | #else |
90cb9493 | 438 | |
1dce7c3c FB |
439 | static int use_rt_clock; |
440 | ||
441 | static void init_get_clock(void) | |
90cb9493 | 442 | { |
1dce7c3c | 443 | use_rt_clock = 0; |
c5e97233 | 444 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
a167ba50 | 445 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
1dce7c3c FB |
446 | { |
447 | struct timespec ts; | |
448 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { | |
449 | use_rt_clock = 1; | |
450 | } | |
451 | } | |
452 | #endif | |
90cb9493 FB |
453 | } |
454 | ||
1dce7c3c | 455 | static int64_t get_clock(void) |
fdbb4691 | 456 | { |
c5e97233 | 457 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
a167ba50 | 458 | || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
1dce7c3c FB |
459 | if (use_rt_clock) { |
460 | struct timespec ts; | |
461 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
462 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; | |
5fafdf24 | 463 | } else |
fdbb4691 | 464 | #endif |
1dce7c3c FB |
465 | { |
466 | /* XXX: using gettimeofday leads to problems if the date | |
467 | changes, so it should be avoided. */ | |
21d5d12b | 468 | return get_clock_realtime(); |
1dce7c3c | 469 | } |
fdbb4691 | 470 | } |
34865134 FB |
471 | #endif |
472 | ||
2e70f6ef PB |
473 | /* Return the virtual CPU time, based on the instruction counter. */ |
474 | static int64_t cpu_get_icount(void) | |
475 | { | |
476 | int64_t icount; | |
477 | CPUState *env = cpu_single_env;; | |
478 | icount = qemu_icount; | |
479 | if (env) { | |
480 | if (!can_do_io(env)) | |
481 | fprintf(stderr, "Bad clock read\n"); | |
482 | icount -= (env->icount_decr.u16.low + env->icount_extra); | |
483 | } | |
484 | return qemu_icount_bias + (icount << icount_time_shift); | |
485 | } | |
486 | ||
1dce7c3c FB |
487 | /***********************************************************/ |
488 | /* guest cycle counter */ | |
489 | ||
6f68e33e JQ |
490 | typedef struct TimersState { |
491 | int64_t cpu_ticks_prev; | |
492 | int64_t cpu_ticks_offset; | |
493 | int64_t cpu_clock_offset; | |
494 | int32_t cpu_ticks_enabled; | |
274dfed8 | 495 | int64_t dummy; |
6f68e33e JQ |
496 | } TimersState; |
497 | ||
498 | TimersState timers_state; | |
34865134 | 499 | |
1dce7c3c FB |
500 | /* return the host CPU cycle counter and handle stop/restart */ |
501 | int64_t cpu_get_ticks(void) | |
34865134 | 502 | { |
2e70f6ef PB |
503 | if (use_icount) { |
504 | return cpu_get_icount(); | |
505 | } | |
6f68e33e JQ |
506 | if (!timers_state.cpu_ticks_enabled) { |
507 | return timers_state.cpu_ticks_offset; | |
8a7ddc38 | 508 | } else { |
eade0f19 FB |
509 | int64_t ticks; |
510 | ticks = cpu_get_real_ticks(); | |
6f68e33e | 511 | if (timers_state.cpu_ticks_prev > ticks) { |
eade0f19 FB |
512 | /* Note: non increasing ticks may happen if the host uses |
513 | software suspend */ | |
6f68e33e | 514 | timers_state.cpu_ticks_offset += timers_state.cpu_ticks_prev - ticks; |
eade0f19 | 515 | } |
6f68e33e JQ |
516 | timers_state.cpu_ticks_prev = ticks; |
517 | return ticks + timers_state.cpu_ticks_offset; | |
8a7ddc38 | 518 | } |
34865134 FB |
519 | } |
520 | ||
1dce7c3c FB |
521 | /* return the host CPU monotonic timer and handle stop/restart */ |
522 | static int64_t cpu_get_clock(void) | |
523 | { | |
524 | int64_t ti; | |
6f68e33e JQ |
525 | if (!timers_state.cpu_ticks_enabled) { |
526 | return timers_state.cpu_clock_offset; | |
1dce7c3c FB |
527 | } else { |
528 | ti = get_clock(); | |
6f68e33e | 529 | return ti + timers_state.cpu_clock_offset; |
1dce7c3c FB |
530 | } |
531 | } | |
532 | ||
34865134 FB |
533 | /* enable cpu_get_ticks() */ |
534 | void cpu_enable_ticks(void) | |
535 | { | |
6f68e33e JQ |
536 | if (!timers_state.cpu_ticks_enabled) { |
537 | timers_state.cpu_ticks_offset -= cpu_get_real_ticks(); | |
538 | timers_state.cpu_clock_offset -= get_clock(); | |
539 | timers_state.cpu_ticks_enabled = 1; | |
8a7ddc38 | 540 | } |
34865134 FB |
541 | } |
542 | ||
543 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
544 | cpu_get_ticks() after that. */ | |
545 | void cpu_disable_ticks(void) | |
546 | { | |
6f68e33e JQ |
547 | if (timers_state.cpu_ticks_enabled) { |
548 | timers_state.cpu_ticks_offset = cpu_get_ticks(); | |
549 | timers_state.cpu_clock_offset = cpu_get_clock(); | |
550 | timers_state.cpu_ticks_enabled = 0; | |
8a7ddc38 | 551 | } |
34865134 FB |
552 | } |
553 | ||
1dce7c3c FB |
554 | /***********************************************************/ |
555 | /* timers */ | |
5fafdf24 | 556 | |
0fdddf80 JK |
557 | #define QEMU_CLOCK_REALTIME 0 |
558 | #define QEMU_CLOCK_VIRTUAL 1 | |
21d5d12b | 559 | #define QEMU_CLOCK_HOST 2 |
8a7ddc38 FB |
560 | |
561 | struct QEMUClock { | |
562 | int type; | |
563 | /* XXX: add frequency */ | |
564 | }; | |
565 | ||
566 | struct QEMUTimer { | |
567 | QEMUClock *clock; | |
568 | int64_t expire_time; | |
569 | QEMUTimerCB *cb; | |
570 | void *opaque; | |
571 | struct QEMUTimer *next; | |
572 | }; | |
573 | ||
c8994013 TS |
574 | struct qemu_alarm_timer { |
575 | char const *name; | |
efe75411 | 576 | unsigned int flags; |
c8994013 TS |
577 | |
578 | int (*start)(struct qemu_alarm_timer *t); | |
579 | void (*stop)(struct qemu_alarm_timer *t); | |
efe75411 | 580 | void (*rearm)(struct qemu_alarm_timer *t); |
c8994013 TS |
581 | void *priv; |
582 | }; | |
583 | ||
efe75411 | 584 | #define ALARM_FLAG_DYNTICKS 0x1 |
d5d08334 | 585 | #define ALARM_FLAG_EXPIRED 0x2 |
efe75411 TS |
586 | |
587 | static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) | |
588 | { | |
e332340a | 589 | return t && (t->flags & ALARM_FLAG_DYNTICKS); |
efe75411 TS |
590 | } |
591 | ||
592 | static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) | |
593 | { | |
594 | if (!alarm_has_dynticks(t)) | |
595 | return; | |
596 | ||
597 | t->rearm(t); | |
598 | } | |
599 | ||
600 | /* TODO: MIN_TIMER_REARM_US should be optimized */ | |
601 | #define MIN_TIMER_REARM_US 250 | |
602 | ||
c8994013 | 603 | static struct qemu_alarm_timer *alarm_timer; |
8a7ddc38 | 604 | |
40c3bac3 | 605 | #ifdef _WIN32 |
c8994013 TS |
606 | |
607 | struct qemu_alarm_win32 { | |
608 | MMRESULT timerId; | |
c8994013 | 609 | unsigned int period; |
ef28c4b0 | 610 | } alarm_win32_data = {0, -1}; |
c8994013 TS |
611 | |
612 | static int win32_start_timer(struct qemu_alarm_timer *t); | |
613 | static void win32_stop_timer(struct qemu_alarm_timer *t); | |
efe75411 | 614 | static void win32_rearm_timer(struct qemu_alarm_timer *t); |
c8994013 | 615 | |
40c3bac3 | 616 | #else |
c8994013 TS |
617 | |
618 | static int unix_start_timer(struct qemu_alarm_timer *t); | |
619 | static void unix_stop_timer(struct qemu_alarm_timer *t); | |
620 | ||
231c6586 TS |
621 | #ifdef __linux__ |
622 | ||
efe75411 TS |
623 | static int dynticks_start_timer(struct qemu_alarm_timer *t); |
624 | static void dynticks_stop_timer(struct qemu_alarm_timer *t); | |
625 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t); | |
626 | ||
c40ec5a9 TS |
627 | static int hpet_start_timer(struct qemu_alarm_timer *t); |
628 | static void hpet_stop_timer(struct qemu_alarm_timer *t); | |
629 | ||
c8994013 TS |
630 | static int rtc_start_timer(struct qemu_alarm_timer *t); |
631 | static void rtc_stop_timer(struct qemu_alarm_timer *t); | |
632 | ||
efe75411 | 633 | #endif /* __linux__ */ |
8a7ddc38 | 634 | |
c8994013 TS |
635 | #endif /* _WIN32 */ |
636 | ||
2e70f6ef | 637 | /* Correlation between real and virtual time is always going to be |
bf20dc07 | 638 | fairly approximate, so ignore small variation. |
2e70f6ef PB |
639 | When the guest is idle real and virtual time will be aligned in |
640 | the IO wait loop. */ | |
274dfed8 | 641 | #define ICOUNT_WOBBLE (get_ticks_per_sec() / 10) |
2e70f6ef PB |
642 | |
643 | static void icount_adjust(void) | |
644 | { | |
645 | int64_t cur_time; | |
646 | int64_t cur_icount; | |
647 | int64_t delta; | |
648 | static int64_t last_delta; | |
649 | /* If the VM is not running, then do nothing. */ | |
650 | if (!vm_running) | |
651 | return; | |
652 | ||
653 | cur_time = cpu_get_clock(); | |
654 | cur_icount = qemu_get_clock(vm_clock); | |
655 | delta = cur_icount - cur_time; | |
656 | /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ | |
657 | if (delta > 0 | |
658 | && last_delta + ICOUNT_WOBBLE < delta * 2 | |
659 | && icount_time_shift > 0) { | |
660 | /* The guest is getting too far ahead. Slow time down. */ | |
661 | icount_time_shift--; | |
662 | } | |
663 | if (delta < 0 | |
664 | && last_delta - ICOUNT_WOBBLE > delta * 2 | |
665 | && icount_time_shift < MAX_ICOUNT_SHIFT) { | |
666 | /* The guest is getting too far behind. Speed time up. */ | |
667 | icount_time_shift++; | |
668 | } | |
669 | last_delta = delta; | |
670 | qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); | |
671 | } | |
672 | ||
673 | static void icount_adjust_rt(void * opaque) | |
674 | { | |
675 | qemu_mod_timer(icount_rt_timer, | |
676 | qemu_get_clock(rt_clock) + 1000); | |
677 | icount_adjust(); | |
678 | } | |
679 | ||
680 | static void icount_adjust_vm(void * opaque) | |
681 | { | |
682 | qemu_mod_timer(icount_vm_timer, | |
274dfed8 | 683 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
2e70f6ef PB |
684 | icount_adjust(); |
685 | } | |
686 | ||
687 | static void init_icount_adjust(void) | |
688 | { | |
689 | /* Have both realtime and virtual time triggers for speed adjustment. | |
690 | The realtime trigger catches emulated time passing too slowly, | |
691 | the virtual time trigger catches emulated time passing too fast. | |
692 | Realtime triggers occur even when idle, so use them less frequently | |
693 | than VM triggers. */ | |
694 | icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); | |
695 | qemu_mod_timer(icount_rt_timer, | |
696 | qemu_get_clock(rt_clock) + 1000); | |
697 | icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); | |
698 | qemu_mod_timer(icount_vm_timer, | |
274dfed8 | 699 | qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10); |
2e70f6ef PB |
700 | } |
701 | ||
c8994013 | 702 | static struct qemu_alarm_timer alarm_timers[] = { |
efe75411 | 703 | #ifndef _WIN32 |
231c6586 | 704 | #ifdef __linux__ |
efe75411 TS |
705 | {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, |
706 | dynticks_stop_timer, dynticks_rearm_timer, NULL}, | |
c40ec5a9 | 707 | /* HPET - if available - is preferred */ |
efe75411 | 708 | {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, |
c40ec5a9 | 709 | /* ...otherwise try RTC */ |
efe75411 | 710 | {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, |
c8994013 | 711 | #endif |
efe75411 | 712 | {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, |
c8994013 | 713 | #else |
efe75411 TS |
714 | {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, |
715 | win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, | |
716 | {"win32", 0, win32_start_timer, | |
717 | win32_stop_timer, NULL, &alarm_win32_data}, | |
c8994013 TS |
718 | #endif |
719 | {NULL, } | |
720 | }; | |
721 | ||
3f47aa8c | 722 | static void show_available_alarms(void) |
f3dcfada TS |
723 | { |
724 | int i; | |
725 | ||
726 | printf("Available alarm timers, in order of precedence:\n"); | |
727 | for (i = 0; alarm_timers[i].name; i++) | |
728 | printf("%s\n", alarm_timers[i].name); | |
729 | } | |
730 | ||
731 | static void configure_alarms(char const *opt) | |
732 | { | |
733 | int i; | |
734 | int cur = 0; | |
b1503cda | 735 | int count = ARRAY_SIZE(alarm_timers) - 1; |
f3dcfada TS |
736 | char *arg; |
737 | char *name; | |
2e70f6ef | 738 | struct qemu_alarm_timer tmp; |
f3dcfada | 739 | |
3adda04c | 740 | if (!strcmp(opt, "?")) { |
f3dcfada TS |
741 | show_available_alarms(); |
742 | exit(0); | |
743 | } | |
744 | ||
73ffc805 | 745 | arg = qemu_strdup(opt); |
f3dcfada TS |
746 | |
747 | /* Reorder the array */ | |
748 | name = strtok(arg, ","); | |
749 | while (name) { | |
e2b577e5 | 750 | for (i = 0; i < count && alarm_timers[i].name; i++) { |
f3dcfada TS |
751 | if (!strcmp(alarm_timers[i].name, name)) |
752 | break; | |
753 | } | |
754 | ||
755 | if (i == count) { | |
756 | fprintf(stderr, "Unknown clock %s\n", name); | |
757 | goto next; | |
758 | } | |
759 | ||
760 | if (i < cur) | |
761 | /* Ignore */ | |
762 | goto next; | |
763 | ||
764 | /* Swap */ | |
765 | tmp = alarm_timers[i]; | |
766 | alarm_timers[i] = alarm_timers[cur]; | |
767 | alarm_timers[cur] = tmp; | |
768 | ||
769 | cur++; | |
770 | next: | |
771 | name = strtok(NULL, ","); | |
772 | } | |
773 | ||
73ffc805 | 774 | qemu_free(arg); |
f3dcfada TS |
775 | |
776 | if (cur) { | |
2e70f6ef | 777 | /* Disable remaining timers */ |
f3dcfada TS |
778 | for (i = cur; i < count; i++) |
779 | alarm_timers[i].name = NULL; | |
3adda04c AJ |
780 | } else { |
781 | show_available_alarms(); | |
782 | exit(1); | |
f3dcfada | 783 | } |
f3dcfada TS |
784 | } |
785 | ||
21d5d12b JK |
786 | #define QEMU_NUM_CLOCKS 3 |
787 | ||
c8994013 TS |
788 | QEMUClock *rt_clock; |
789 | QEMUClock *vm_clock; | |
21d5d12b | 790 | QEMUClock *host_clock; |
c8994013 | 791 | |
21d5d12b | 792 | static QEMUTimer *active_timers[QEMU_NUM_CLOCKS]; |
c8994013 | 793 | |
9596ebb7 | 794 | static QEMUClock *qemu_new_clock(int type) |
8a7ddc38 FB |
795 | { |
796 | QEMUClock *clock; | |
797 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
8a7ddc38 FB |
798 | clock->type = type; |
799 | return clock; | |
800 | } | |
801 | ||
802 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
803 | { | |
804 | QEMUTimer *ts; | |
805 | ||
806 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
807 | ts->clock = clock; | |
808 | ts->cb = cb; | |
809 | ts->opaque = opaque; | |
810 | return ts; | |
811 | } | |
812 | ||
813 | void qemu_free_timer(QEMUTimer *ts) | |
814 | { | |
815 | qemu_free(ts); | |
816 | } | |
817 | ||
818 | /* stop a timer, but do not dealloc it */ | |
819 | void qemu_del_timer(QEMUTimer *ts) | |
820 | { | |
821 | QEMUTimer **pt, *t; | |
822 | ||
823 | /* NOTE: this code must be signal safe because | |
824 | qemu_timer_expired() can be called from a signal. */ | |
825 | pt = &active_timers[ts->clock->type]; | |
826 | for(;;) { | |
827 | t = *pt; | |
828 | if (!t) | |
829 | break; | |
830 | if (t == ts) { | |
831 | *pt = t->next; | |
832 | break; | |
833 | } | |
834 | pt = &t->next; | |
835 | } | |
836 | } | |
837 | ||
838 | /* modify the current timer so that it will be fired when current_time | |
839 | >= expire_time. The corresponding callback will be called. */ | |
840 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
841 | { | |
842 | QEMUTimer **pt, *t; | |
843 | ||
844 | qemu_del_timer(ts); | |
845 | ||
846 | /* add the timer in the sorted list */ | |
847 | /* NOTE: this code must be signal safe because | |
848 | qemu_timer_expired() can be called from a signal. */ | |
849 | pt = &active_timers[ts->clock->type]; | |
850 | for(;;) { | |
851 | t = *pt; | |
852 | if (!t) | |
853 | break; | |
5fafdf24 | 854 | if (t->expire_time > expire_time) |
8a7ddc38 FB |
855 | break; |
856 | pt = &t->next; | |
857 | } | |
858 | ts->expire_time = expire_time; | |
859 | ts->next = *pt; | |
860 | *pt = ts; | |
d5d08334 AZ |
861 | |
862 | /* Rearm if necessary */ | |
2e70f6ef PB |
863 | if (pt == &active_timers[ts->clock->type]) { |
864 | if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { | |
865 | qemu_rearm_alarm_timer(alarm_timer); | |
866 | } | |
867 | /* Interrupt execution to force deadline recalculation. */ | |
d9f75a4e AL |
868 | if (use_icount) |
869 | qemu_notify_event(); | |
2e70f6ef | 870 | } |
8a7ddc38 FB |
871 | } |
872 | ||
873 | int qemu_timer_pending(QEMUTimer *ts) | |
874 | { | |
875 | QEMUTimer *t; | |
876 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
877 | if (t == ts) | |
878 | return 1; | |
879 | } | |
880 | return 0; | |
881 | } | |
882 | ||
2430ffe4 | 883 | int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
8a7ddc38 FB |
884 | { |
885 | if (!timer_head) | |
886 | return 0; | |
887 | return (timer_head->expire_time <= current_time); | |
888 | } | |
889 | ||
890 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
891 | { | |
892 | QEMUTimer *ts; | |
3b46e624 | 893 | |
8a7ddc38 FB |
894 | for(;;) { |
895 | ts = *ptimer_head; | |
e95c8d51 | 896 | if (!ts || ts->expire_time > current_time) |
8a7ddc38 FB |
897 | break; |
898 | /* remove timer from the list before calling the callback */ | |
899 | *ptimer_head = ts->next; | |
900 | ts->next = NULL; | |
3b46e624 | 901 | |
8a7ddc38 FB |
902 | /* run the callback (the timer list can be modified) */ |
903 | ts->cb(ts->opaque); | |
904 | } | |
905 | } | |
906 | ||
907 | int64_t qemu_get_clock(QEMUClock *clock) | |
908 | { | |
909 | switch(clock->type) { | |
0fdddf80 | 910 | case QEMU_CLOCK_REALTIME: |
1dce7c3c | 911 | return get_clock() / 1000000; |
8a7ddc38 | 912 | default: |
0fdddf80 | 913 | case QEMU_CLOCK_VIRTUAL: |
2e70f6ef PB |
914 | if (use_icount) { |
915 | return cpu_get_icount(); | |
916 | } else { | |
917 | return cpu_get_clock(); | |
918 | } | |
21d5d12b JK |
919 | case QEMU_CLOCK_HOST: |
920 | return get_clock_realtime(); | |
8a7ddc38 FB |
921 | } |
922 | } | |
923 | ||
0fdddf80 | 924 | static void init_clocks(void) |
1dce7c3c FB |
925 | { |
926 | init_get_clock(); | |
0fdddf80 JK |
927 | rt_clock = qemu_new_clock(QEMU_CLOCK_REALTIME); |
928 | vm_clock = qemu_new_clock(QEMU_CLOCK_VIRTUAL); | |
21d5d12b | 929 | host_clock = qemu_new_clock(QEMU_CLOCK_HOST); |
6875204c JK |
930 | |
931 | rtc_clock = host_clock; | |
1dce7c3c FB |
932 | } |
933 | ||
8a7ddc38 FB |
934 | /* save a timer */ |
935 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
936 | { | |
937 | uint64_t expire_time; | |
938 | ||
939 | if (qemu_timer_pending(ts)) { | |
940 | expire_time = ts->expire_time; | |
941 | } else { | |
942 | expire_time = -1; | |
943 | } | |
944 | qemu_put_be64(f, expire_time); | |
945 | } | |
946 | ||
947 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
948 | { | |
949 | uint64_t expire_time; | |
950 | ||
951 | expire_time = qemu_get_be64(f); | |
952 | if (expire_time != -1) { | |
953 | qemu_mod_timer(ts, expire_time); | |
954 | } else { | |
955 | qemu_del_timer(ts); | |
956 | } | |
957 | } | |
958 | ||
2faf58cd JQ |
959 | static const VMStateDescription vmstate_timers = { |
960 | .name = "timer", | |
961 | .version_id = 2, | |
962 | .minimum_version_id = 1, | |
963 | .minimum_version_id_old = 1, | |
964 | .fields = (VMStateField []) { | |
965 | VMSTATE_INT64(cpu_ticks_offset, TimersState), | |
274dfed8 | 966 | VMSTATE_INT64(dummy, TimersState), |
2faf58cd JQ |
967 | VMSTATE_INT64_V(cpu_clock_offset, TimersState, 2), |
968 | VMSTATE_END_OF_LIST() | |
c88676f8 | 969 | } |
2faf58cd | 970 | }; |
8a7ddc38 | 971 | |
50317c7f AL |
972 | static void qemu_event_increment(void); |
973 | ||
67b915a5 | 974 | #ifdef _WIN32 |
b9e82a59 BS |
975 | static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, |
976 | DWORD_PTR dwUser, DWORD_PTR dw1, | |
977 | DWORD_PTR dw2) | |
67b915a5 | 978 | #else |
8a7ddc38 | 979 | static void host_alarm_handler(int host_signum) |
67b915a5 | 980 | #endif |
8a7ddc38 | 981 | { |
02ba45c5 FB |
982 | #if 0 |
983 | #define DISP_FREQ 1000 | |
984 | { | |
985 | static int64_t delta_min = INT64_MAX; | |
986 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
987 | static int count; | |
988 | ti = qemu_get_clock(vm_clock); | |
989 | if (last_clock != 0) { | |
990 | delta = ti - last_clock; | |
991 | if (delta < delta_min) | |
992 | delta_min = delta; | |
993 | if (delta > delta_max) | |
994 | delta_max = delta; | |
995 | delta_cum += delta; | |
996 | if (++count == DISP_FREQ) { | |
26a76461 | 997 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", |
6ee093c9 JQ |
998 | muldiv64(delta_min, 1000000, get_ticks_per_sec()), |
999 | muldiv64(delta_max, 1000000, get_ticks_per_sec()), | |
1000 | muldiv64(delta_cum, 1000000 / DISP_FREQ, get_ticks_per_sec()), | |
1001 | (double)get_ticks_per_sec() / ((double)delta_cum / DISP_FREQ)); | |
02ba45c5 FB |
1002 | count = 0; |
1003 | delta_min = INT64_MAX; | |
1004 | delta_max = 0; | |
1005 | delta_cum = 0; | |
1006 | } | |
1007 | } | |
1008 | last_clock = ti; | |
1009 | } | |
1010 | #endif | |
efe75411 | 1011 | if (alarm_has_dynticks(alarm_timer) || |
2e70f6ef | 1012 | (!use_icount && |
0fdddf80 | 1013 | qemu_timer_expired(active_timers[QEMU_CLOCK_VIRTUAL], |
2e70f6ef | 1014 | qemu_get_clock(vm_clock))) || |
0fdddf80 | 1015 | qemu_timer_expired(active_timers[QEMU_CLOCK_REALTIME], |
21d5d12b JK |
1016 | qemu_get_clock(rt_clock)) || |
1017 | qemu_timer_expired(active_timers[QEMU_CLOCK_HOST], | |
1018 | qemu_get_clock(host_clock))) { | |
50317c7f | 1019 | qemu_event_increment(); |
e332340a | 1020 | if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED; |
d5d08334 | 1021 | |
d6dc3d42 AL |
1022 | #ifndef CONFIG_IOTHREAD |
1023 | if (next_cpu) { | |
4f8eb8da | 1024 | /* stop the currently executing cpu because a timer occured */ |
d6dc3d42 | 1025 | cpu_exit(next_cpu); |
4f8eb8da | 1026 | } |
d6dc3d42 | 1027 | #endif |
43b96858 | 1028 | timer_alarm_pending = 1; |
d9f75a4e | 1029 | qemu_notify_event(); |
8a7ddc38 FB |
1030 | } |
1031 | } | |
1032 | ||
2e70f6ef | 1033 | static int64_t qemu_next_deadline(void) |
efe75411 | 1034 | { |
21d5d12b JK |
1035 | /* To avoid problems with overflow limit this to 2^32. */ |
1036 | int64_t delta = INT32_MAX; | |
efe75411 | 1037 | |
0fdddf80 JK |
1038 | if (active_timers[QEMU_CLOCK_VIRTUAL]) { |
1039 | delta = active_timers[QEMU_CLOCK_VIRTUAL]->expire_time - | |
2e70f6ef | 1040 | qemu_get_clock(vm_clock); |
21d5d12b JK |
1041 | } |
1042 | if (active_timers[QEMU_CLOCK_HOST]) { | |
1043 | int64_t hdelta = active_timers[QEMU_CLOCK_HOST]->expire_time - | |
1044 | qemu_get_clock(host_clock); | |
1045 | if (hdelta < delta) | |
1046 | delta = hdelta; | |
efe75411 TS |
1047 | } |
1048 | ||
2e70f6ef PB |
1049 | if (delta < 0) |
1050 | delta = 0; | |
efe75411 | 1051 | |
2e70f6ef PB |
1052 | return delta; |
1053 | } | |
1054 | ||
f64382ba | 1055 | #if defined(__linux__) |
2e70f6ef PB |
1056 | static uint64_t qemu_next_deadline_dyntick(void) |
1057 | { | |
1058 | int64_t delta; | |
1059 | int64_t rtdelta; | |
1060 | ||
1061 | if (use_icount) | |
1062 | delta = INT32_MAX; | |
1063 | else | |
1064 | delta = (qemu_next_deadline() + 999) / 1000; | |
1065 | ||
0fdddf80 JK |
1066 | if (active_timers[QEMU_CLOCK_REALTIME]) { |
1067 | rtdelta = (active_timers[QEMU_CLOCK_REALTIME]->expire_time - | |
2e70f6ef PB |
1068 | qemu_get_clock(rt_clock))*1000; |
1069 | if (rtdelta < delta) | |
1070 | delta = rtdelta; | |
1071 | } | |
1072 | ||
1073 | if (delta < MIN_TIMER_REARM_US) | |
1074 | delta = MIN_TIMER_REARM_US; | |
1075 | ||
1076 | return delta; | |
efe75411 | 1077 | } |
8632fb9a | 1078 | #endif |
efe75411 | 1079 | |
fd872598 FB |
1080 | #ifndef _WIN32 |
1081 | ||
7183b4b4 AL |
1082 | /* Sets a specific flag */ |
1083 | static int fcntl_setfl(int fd, int flag) | |
1084 | { | |
1085 | int flags; | |
1086 | ||
1087 | flags = fcntl(fd, F_GETFL); | |
1088 | if (flags == -1) | |
1089 | return -errno; | |
1090 | ||
1091 | if (fcntl(fd, F_SETFL, flags | flag) == -1) | |
1092 | return -errno; | |
1093 | ||
1094 | return 0; | |
1095 | } | |
1096 | ||
829309c7 FB |
1097 | #if defined(__linux__) |
1098 | ||
fd872598 FB |
1099 | #define RTC_FREQ 1024 |
1100 | ||
de9a95f0 | 1101 | static void enable_sigio_timer(int fd) |
c8994013 TS |
1102 | { |
1103 | struct sigaction act; | |
1104 | ||
1105 | /* timer signal */ | |
1106 | sigfillset(&act.sa_mask); | |
1107 | act.sa_flags = 0; | |
c8994013 TS |
1108 | act.sa_handler = host_alarm_handler; |
1109 | ||
1110 | sigaction(SIGIO, &act, NULL); | |
7183b4b4 | 1111 | fcntl_setfl(fd, O_ASYNC); |
c8994013 TS |
1112 | fcntl(fd, F_SETOWN, getpid()); |
1113 | } | |
829309c7 | 1114 | |
c40ec5a9 TS |
1115 | static int hpet_start_timer(struct qemu_alarm_timer *t) |
1116 | { | |
1117 | struct hpet_info info; | |
1118 | int r, fd; | |
1119 | ||
40ff6d7e | 1120 | fd = qemu_open("/dev/hpet", O_RDONLY); |
c40ec5a9 TS |
1121 | if (fd < 0) |
1122 | return -1; | |
1123 | ||
1124 | /* Set frequency */ | |
1125 | r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); | |
1126 | if (r < 0) { | |
1127 | fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" | |
1128 | "error, but for better emulation accuracy type:\n" | |
1129 | "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); | |
1130 | goto fail; | |
1131 | } | |
1132 | ||
1133 | /* Check capabilities */ | |
1134 | r = ioctl(fd, HPET_INFO, &info); | |
1135 | if (r < 0) | |
1136 | goto fail; | |
1137 | ||
1138 | /* Enable periodic mode */ | |
1139 | r = ioctl(fd, HPET_EPI, 0); | |
1140 | if (info.hi_flags && (r < 0)) | |
1141 | goto fail; | |
1142 | ||
1143 | /* Enable interrupt */ | |
1144 | r = ioctl(fd, HPET_IE_ON, 0); | |
1145 | if (r < 0) | |
1146 | goto fail; | |
1147 | ||
1148 | enable_sigio_timer(fd); | |
fcdc2129 | 1149 | t->priv = (void *)(long)fd; |
c40ec5a9 TS |
1150 | |
1151 | return 0; | |
1152 | fail: | |
1153 | close(fd); | |
1154 | return -1; | |
1155 | } | |
1156 | ||
1157 | static void hpet_stop_timer(struct qemu_alarm_timer *t) | |
1158 | { | |
fcdc2129 | 1159 | int fd = (long)t->priv; |
c40ec5a9 TS |
1160 | |
1161 | close(fd); | |
1162 | } | |
1163 | ||
c8994013 | 1164 | static int rtc_start_timer(struct qemu_alarm_timer *t) |
fd872598 | 1165 | { |
c8994013 | 1166 | int rtc_fd; |
b5a23ad4 | 1167 | unsigned long current_rtc_freq = 0; |
c8994013 | 1168 | |
40ff6d7e | 1169 | TFR(rtc_fd = qemu_open("/dev/rtc", O_RDONLY)); |
fd872598 FB |
1170 | if (rtc_fd < 0) |
1171 | return -1; | |
b5a23ad4 AZ |
1172 | ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); |
1173 | if (current_rtc_freq != RTC_FREQ && | |
1174 | ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
fd872598 FB |
1175 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" |
1176 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
1177 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
1178 | goto fail; | |
1179 | } | |
1180 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
1181 | fail: | |
1182 | close(rtc_fd); | |
1183 | return -1; | |
1184 | } | |
c8994013 TS |
1185 | |
1186 | enable_sigio_timer(rtc_fd); | |
1187 | ||
fcdc2129 | 1188 | t->priv = (void *)(long)rtc_fd; |
c8994013 | 1189 | |
fd872598 FB |
1190 | return 0; |
1191 | } | |
1192 | ||
c8994013 | 1193 | static void rtc_stop_timer(struct qemu_alarm_timer *t) |
829309c7 | 1194 | { |
fcdc2129 | 1195 | int rtc_fd = (long)t->priv; |
c8994013 TS |
1196 | |
1197 | close(rtc_fd); | |
829309c7 FB |
1198 | } |
1199 | ||
efe75411 TS |
1200 | static int dynticks_start_timer(struct qemu_alarm_timer *t) |
1201 | { | |
1202 | struct sigevent ev; | |
1203 | timer_t host_timer; | |
1204 | struct sigaction act; | |
1205 | ||
1206 | sigfillset(&act.sa_mask); | |
1207 | act.sa_flags = 0; | |
efe75411 TS |
1208 | act.sa_handler = host_alarm_handler; |
1209 | ||
1210 | sigaction(SIGALRM, &act, NULL); | |
1211 | ||
9ed415b2 JCD |
1212 | /* |
1213 | * Initialize ev struct to 0 to avoid valgrind complaining | |
1214 | * about uninitialized data in timer_create call | |
1215 | */ | |
1216 | memset(&ev, 0, sizeof(ev)); | |
efe75411 TS |
1217 | ev.sigev_value.sival_int = 0; |
1218 | ev.sigev_notify = SIGEV_SIGNAL; | |
1219 | ev.sigev_signo = SIGALRM; | |
1220 | ||
1221 | if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { | |
1222 | perror("timer_create"); | |
1223 | ||
1224 | /* disable dynticks */ | |
1225 | fprintf(stderr, "Dynamic Ticks disabled\n"); | |
1226 | ||
1227 | return -1; | |
1228 | } | |
1229 | ||
0399bfe0 | 1230 | t->priv = (void *)(long)host_timer; |
efe75411 TS |
1231 | |
1232 | return 0; | |
1233 | } | |
1234 | ||
1235 | static void dynticks_stop_timer(struct qemu_alarm_timer *t) | |
1236 | { | |
0399bfe0 | 1237 | timer_t host_timer = (timer_t)(long)t->priv; |
efe75411 TS |
1238 | |
1239 | timer_delete(host_timer); | |
1240 | } | |
1241 | ||
1242 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t) | |
1243 | { | |
0399bfe0 | 1244 | timer_t host_timer = (timer_t)(long)t->priv; |
efe75411 TS |
1245 | struct itimerspec timeout; |
1246 | int64_t nearest_delta_us = INT64_MAX; | |
1247 | int64_t current_us; | |
1248 | ||
0fdddf80 | 1249 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
21d5d12b JK |
1250 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
1251 | !active_timers[QEMU_CLOCK_HOST]) | |
d5d08334 | 1252 | return; |
efe75411 | 1253 | |
2e70f6ef | 1254 | nearest_delta_us = qemu_next_deadline_dyntick(); |
efe75411 TS |
1255 | |
1256 | /* check whether a timer is already running */ | |
1257 | if (timer_gettime(host_timer, &timeout)) { | |
1258 | perror("gettime"); | |
1259 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1260 | exit(1); | |
1261 | } | |
1262 | current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; | |
1263 | if (current_us && current_us <= nearest_delta_us) | |
1264 | return; | |
1265 | ||
1266 | timeout.it_interval.tv_sec = 0; | |
1267 | timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ | |
1268 | timeout.it_value.tv_sec = nearest_delta_us / 1000000; | |
1269 | timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; | |
1270 | if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { | |
1271 | perror("settime"); | |
1272 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1273 | exit(1); | |
1274 | } | |
1275 | } | |
1276 | ||
70744b3a | 1277 | #endif /* defined(__linux__) */ |
231c6586 | 1278 | |
c8994013 TS |
1279 | static int unix_start_timer(struct qemu_alarm_timer *t) |
1280 | { | |
1281 | struct sigaction act; | |
1282 | struct itimerval itv; | |
1283 | int err; | |
1284 | ||
1285 | /* timer signal */ | |
1286 | sigfillset(&act.sa_mask); | |
1287 | act.sa_flags = 0; | |
c8994013 TS |
1288 | act.sa_handler = host_alarm_handler; |
1289 | ||
1290 | sigaction(SIGALRM, &act, NULL); | |
1291 | ||
1292 | itv.it_interval.tv_sec = 0; | |
1293 | /* for i386 kernel 2.6 to get 1 ms */ | |
1294 | itv.it_interval.tv_usec = 999; | |
1295 | itv.it_value.tv_sec = 0; | |
1296 | itv.it_value.tv_usec = 10 * 1000; | |
1297 | ||
1298 | err = setitimer(ITIMER_REAL, &itv, NULL); | |
1299 | if (err) | |
1300 | return -1; | |
1301 | ||
1302 | return 0; | |
1303 | } | |
1304 | ||
1305 | static void unix_stop_timer(struct qemu_alarm_timer *t) | |
1306 | { | |
1307 | struct itimerval itv; | |
1308 | ||
1309 | memset(&itv, 0, sizeof(itv)); | |
1310 | setitimer(ITIMER_REAL, &itv, NULL); | |
1311 | } | |
1312 | ||
829309c7 | 1313 | #endif /* !defined(_WIN32) */ |
fd872598 | 1314 | |
f49e58dc | 1315 | |
c8994013 TS |
1316 | #ifdef _WIN32 |
1317 | ||
1318 | static int win32_start_timer(struct qemu_alarm_timer *t) | |
1319 | { | |
1320 | TIMECAPS tc; | |
1321 | struct qemu_alarm_win32 *data = t->priv; | |
efe75411 | 1322 | UINT flags; |
c8994013 | 1323 | |
c8994013 TS |
1324 | memset(&tc, 0, sizeof(tc)); |
1325 | timeGetDevCaps(&tc, sizeof(tc)); | |
1326 | ||
1327 | if (data->period < tc.wPeriodMin) | |
1328 | data->period = tc.wPeriodMin; | |
1329 | ||
1330 | timeBeginPeriod(data->period); | |
1331 | ||
efe75411 TS |
1332 | flags = TIME_CALLBACK_FUNCTION; |
1333 | if (alarm_has_dynticks(t)) | |
1334 | flags |= TIME_ONESHOT; | |
1335 | else | |
1336 | flags |= TIME_PERIODIC; | |
1337 | ||
c8994013 TS |
1338 | data->timerId = timeSetEvent(1, // interval (ms) |
1339 | data->period, // resolution | |
1340 | host_alarm_handler, // function | |
1341 | (DWORD)t, // parameter | |
efe75411 | 1342 | flags); |
c8994013 TS |
1343 | |
1344 | if (!data->timerId) { | |
20889d4e | 1345 | fprintf(stderr, "Failed to initialize win32 alarm timer: %ld\n", |
705e83f6 | 1346 | GetLastError()); |
c8994013 | 1347 | timeEndPeriod(data->period); |
c8994013 TS |
1348 | return -1; |
1349 | } | |
1350 | ||
c8994013 TS |
1351 | return 0; |
1352 | } | |
1353 | ||
1354 | static void win32_stop_timer(struct qemu_alarm_timer *t) | |
1355 | { | |
1356 | struct qemu_alarm_win32 *data = t->priv; | |
1357 | ||
1358 | timeKillEvent(data->timerId); | |
1359 | timeEndPeriod(data->period); | |
c8994013 TS |
1360 | } |
1361 | ||
efe75411 TS |
1362 | static void win32_rearm_timer(struct qemu_alarm_timer *t) |
1363 | { | |
1364 | struct qemu_alarm_win32 *data = t->priv; | |
efe75411 | 1365 | |
0fdddf80 | 1366 | if (!active_timers[QEMU_CLOCK_REALTIME] && |
21d5d12b JK |
1367 | !active_timers[QEMU_CLOCK_VIRTUAL] && |
1368 | !active_timers[QEMU_CLOCK_HOST]) | |
d5d08334 | 1369 | return; |
efe75411 | 1370 | |
efe75411 TS |
1371 | timeKillEvent(data->timerId); |
1372 | ||
1373 | data->timerId = timeSetEvent(1, | |
1374 | data->period, | |
1375 | host_alarm_handler, | |
1376 | (DWORD)t, | |
1377 | TIME_ONESHOT | TIME_PERIODIC); | |
1378 | ||
1379 | if (!data->timerId) { | |
20889d4e | 1380 | fprintf(stderr, "Failed to re-arm win32 alarm timer %ld\n", |
705e83f6 | 1381 | GetLastError()); |
efe75411 TS |
1382 | |
1383 | timeEndPeriod(data->period); | |
efe75411 TS |
1384 | exit(1); |
1385 | } | |
1386 | } | |
1387 | ||
c8994013 TS |
1388 | #endif /* _WIN32 */ |
1389 | ||
7183b4b4 | 1390 | static int init_timer_alarm(void) |
8a7ddc38 | 1391 | { |
223f0d72 | 1392 | struct qemu_alarm_timer *t = NULL; |
c8994013 | 1393 | int i, err = -1; |
f49e58dc | 1394 | |
c8994013 TS |
1395 | for (i = 0; alarm_timers[i].name; i++) { |
1396 | t = &alarm_timers[i]; | |
1397 | ||
c8994013 TS |
1398 | err = t->start(t); |
1399 | if (!err) | |
1400 | break; | |
67b915a5 | 1401 | } |
fd872598 | 1402 | |
c8994013 | 1403 | if (err) { |
7183b4b4 AL |
1404 | err = -ENOENT; |
1405 | goto fail; | |
67b915a5 | 1406 | } |
c8994013 TS |
1407 | |
1408 | alarm_timer = t; | |
7183b4b4 | 1409 | |
6abfbd79 | 1410 | return 0; |
7183b4b4 AL |
1411 | |
1412 | fail: | |
7183b4b4 | 1413 | return err; |
8a7ddc38 FB |
1414 | } |
1415 | ||
9596ebb7 | 1416 | static void quit_timers(void) |
40c3bac3 | 1417 | { |
c8994013 TS |
1418 | alarm_timer->stop(alarm_timer); |
1419 | alarm_timer = NULL; | |
40c3bac3 FB |
1420 | } |
1421 | ||
f6503059 AZ |
1422 | /***********************************************************/ |
1423 | /* host time/date access */ | |
1424 | void qemu_get_timedate(struct tm *tm, int offset) | |
1425 | { | |
1426 | time_t ti; | |
1427 | struct tm *ret; | |
1428 | ||
1429 | time(&ti); | |
1430 | ti += offset; | |
1431 | if (rtc_date_offset == -1) { | |
1432 | if (rtc_utc) | |
1433 | ret = gmtime(&ti); | |
1434 | else | |
1435 | ret = localtime(&ti); | |
1436 | } else { | |
1437 | ti -= rtc_date_offset; | |
1438 | ret = gmtime(&ti); | |
1439 | } | |
1440 | ||
1441 | memcpy(tm, ret, sizeof(struct tm)); | |
1442 | } | |
1443 | ||
1444 | int qemu_timedate_diff(struct tm *tm) | |
1445 | { | |
1446 | time_t seconds; | |
1447 | ||
1448 | if (rtc_date_offset == -1) | |
1449 | if (rtc_utc) | |
1450 | seconds = mktimegm(tm); | |
1451 | else | |
1452 | seconds = mktime(tm); | |
1453 | else | |
1454 | seconds = mktimegm(tm) + rtc_date_offset; | |
1455 | ||
1456 | return seconds - time(NULL); | |
1457 | } | |
1458 | ||
1ed2fc1f JK |
1459 | static void configure_rtc_date_offset(const char *startdate, int legacy) |
1460 | { | |
1461 | time_t rtc_start_date; | |
1462 | struct tm tm; | |
1463 | ||
1464 | if (!strcmp(startdate, "now") && legacy) { | |
1465 | rtc_date_offset = -1; | |
1466 | } else { | |
1467 | if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", | |
1468 | &tm.tm_year, | |
1469 | &tm.tm_mon, | |
1470 | &tm.tm_mday, | |
1471 | &tm.tm_hour, | |
1472 | &tm.tm_min, | |
1473 | &tm.tm_sec) == 6) { | |
1474 | /* OK */ | |
1475 | } else if (sscanf(startdate, "%d-%d-%d", | |
1476 | &tm.tm_year, | |
1477 | &tm.tm_mon, | |
1478 | &tm.tm_mday) == 3) { | |
1479 | tm.tm_hour = 0; | |
1480 | tm.tm_min = 0; | |
1481 | tm.tm_sec = 0; | |
1482 | } else { | |
1483 | goto date_fail; | |
1484 | } | |
1485 | tm.tm_year -= 1900; | |
1486 | tm.tm_mon--; | |
1487 | rtc_start_date = mktimegm(&tm); | |
1488 | if (rtc_start_date == -1) { | |
1489 | date_fail: | |
1490 | fprintf(stderr, "Invalid date format. Valid formats are:\n" | |
1491 | "'2006-06-17T16:01:21' or '2006-06-17'\n"); | |
1492 | exit(1); | |
1493 | } | |
1494 | rtc_date_offset = time(NULL) - rtc_start_date; | |
1495 | } | |
1496 | } | |
1497 | ||
1498 | static void configure_rtc(QemuOpts *opts) | |
1499 | { | |
1500 | const char *value; | |
1501 | ||
1502 | value = qemu_opt_get(opts, "base"); | |
1503 | if (value) { | |
1504 | if (!strcmp(value, "utc")) { | |
1505 | rtc_utc = 1; | |
1506 | } else if (!strcmp(value, "localtime")) { | |
1507 | rtc_utc = 0; | |
1508 | } else { | |
1509 | configure_rtc_date_offset(value, 0); | |
1510 | } | |
1511 | } | |
6875204c JK |
1512 | value = qemu_opt_get(opts, "clock"); |
1513 | if (value) { | |
1514 | if (!strcmp(value, "host")) { | |
1515 | rtc_clock = host_clock; | |
1516 | } else if (!strcmp(value, "vm")) { | |
1517 | rtc_clock = vm_clock; | |
1518 | } else { | |
1519 | fprintf(stderr, "qemu: invalid option value '%s'\n", value); | |
1520 | exit(1); | |
1521 | } | |
1522 | } | |
1ed2fc1f JK |
1523 | #ifdef CONFIG_TARGET_I386 |
1524 | value = qemu_opt_get(opts, "driftfix"); | |
1525 | if (value) { | |
1526 | if (!strcmp(buf, "slew")) { | |
1527 | rtc_td_hack = 1; | |
1528 | } else if (!strcmp(buf, "none")) { | |
1529 | rtc_td_hack = 0; | |
1530 | } else { | |
1531 | fprintf(stderr, "qemu: invalid option value '%s'\n", value); | |
1532 | exit(1); | |
1533 | } | |
1534 | } | |
1535 | #endif | |
1536 | } | |
1537 | ||
fd1dff4b | 1538 | #ifdef _WIN32 |
fd1dff4b FB |
1539 | static void socket_cleanup(void) |
1540 | { | |
1541 | WSACleanup(); | |
1542 | } | |
82c643ff | 1543 | |
fd1dff4b FB |
1544 | static int socket_init(void) |
1545 | { | |
1546 | WSADATA Data; | |
1547 | int ret, err; | |
1548 | ||
1549 | ret = WSAStartup(MAKEWORD(2,2), &Data); | |
1550 | if (ret != 0) { | |
1551 | err = WSAGetLastError(); | |
1552 | fprintf(stderr, "WSAStartup: %d\n", err); | |
1553 | return -1; | |
1554 | } | |
1555 | atexit(socket_cleanup); | |
1556 | return 0; | |
1557 | } | |
64b7b733 AJ |
1558 | #endif |
1559 | ||
1ae26a18 AZ |
1560 | /***********************************************************/ |
1561 | /* Bluetooth support */ | |
1562 | static int nb_hcis; | |
1563 | static int cur_hci; | |
1564 | static struct HCIInfo *hci_table[MAX_NICS]; | |
dc72ac14 | 1565 | |
1ae26a18 AZ |
1566 | static struct bt_vlan_s { |
1567 | struct bt_scatternet_s net; | |
1568 | int id; | |
1569 | struct bt_vlan_s *next; | |
1570 | } *first_bt_vlan; | |
1571 | ||
1572 | /* find or alloc a new bluetooth "VLAN" */ | |
674bb261 | 1573 | static struct bt_scatternet_s *qemu_find_bt_vlan(int id) |
1ae26a18 AZ |
1574 | { |
1575 | struct bt_vlan_s **pvlan, *vlan; | |
1576 | for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { | |
1577 | if (vlan->id == id) | |
1578 | return &vlan->net; | |
1579 | } | |
1580 | vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); | |
1581 | vlan->id = id; | |
1582 | pvlan = &first_bt_vlan; | |
1583 | while (*pvlan != NULL) | |
1584 | pvlan = &(*pvlan)->next; | |
1585 | *pvlan = vlan; | |
1586 | return &vlan->net; | |
1587 | } | |
1588 | ||
1589 | static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) | |
1590 | { | |
1591 | } | |
1592 | ||
1593 | static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) | |
1594 | { | |
1595 | return -ENOTSUP; | |
1596 | } | |
1597 | ||
1598 | static struct HCIInfo null_hci = { | |
1599 | .cmd_send = null_hci_send, | |
1600 | .sco_send = null_hci_send, | |
1601 | .acl_send = null_hci_send, | |
1602 | .bdaddr_set = null_hci_addr_set, | |
1603 | }; | |
1604 | ||
1605 | struct HCIInfo *qemu_next_hci(void) | |
1606 | { | |
1607 | if (cur_hci == nb_hcis) | |
1608 | return &null_hci; | |
1609 | ||
1610 | return hci_table[cur_hci++]; | |
1611 | } | |
1612 | ||
dc72ac14 AZ |
1613 | static struct HCIInfo *hci_init(const char *str) |
1614 | { | |
1615 | char *endp; | |
1616 | struct bt_scatternet_s *vlan = 0; | |
1617 | ||
1618 | if (!strcmp(str, "null")) | |
1619 | /* null */ | |
1620 | return &null_hci; | |
1621 | else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) | |
1622 | /* host[:hciN] */ | |
1623 | return bt_host_hci(str[4] ? str + 5 : "hci0"); | |
1624 | else if (!strncmp(str, "hci", 3)) { | |
1625 | /* hci[,vlan=n] */ | |
1626 | if (str[3]) { | |
1627 | if (!strncmp(str + 3, ",vlan=", 6)) { | |
1628 | vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); | |
1629 | if (*endp) | |
1630 | vlan = 0; | |
1631 | } | |
1632 | } else | |
1633 | vlan = qemu_find_bt_vlan(0); | |
1634 | if (vlan) | |
1635 | return bt_new_hci(vlan); | |
1636 | } | |
1637 | ||
1638 | fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str); | |
1639 | ||
1640 | return 0; | |
1641 | } | |
1642 | ||
1643 | static int bt_hci_parse(const char *str) | |
1644 | { | |
1645 | struct HCIInfo *hci; | |
c227f099 | 1646 | bdaddr_t bdaddr; |
dc72ac14 AZ |
1647 | |
1648 | if (nb_hcis >= MAX_NICS) { | |
1649 | fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS); | |
1650 | return -1; | |
1651 | } | |
1652 | ||
1653 | hci = hci_init(str); | |
1654 | if (!hci) | |
1655 | return -1; | |
1656 | ||
1657 | bdaddr.b[0] = 0x52; | |
1658 | bdaddr.b[1] = 0x54; | |
1659 | bdaddr.b[2] = 0x00; | |
1660 | bdaddr.b[3] = 0x12; | |
1661 | bdaddr.b[4] = 0x34; | |
1662 | bdaddr.b[5] = 0x56 + nb_hcis; | |
1663 | hci->bdaddr_set(hci, bdaddr.b); | |
1664 | ||
1665 | hci_table[nb_hcis++] = hci; | |
1666 | ||
1667 | return 0; | |
1668 | } | |
1669 | ||
1670 | static void bt_vhci_add(int vlan_id) | |
1671 | { | |
1672 | struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); | |
1673 | ||
1674 | if (!vlan->slave) | |
1675 | fprintf(stderr, "qemu: warning: adding a VHCI to " | |
1676 | "an empty scatternet %i\n", vlan_id); | |
1677 | ||
1678 | bt_vhci_init(bt_new_hci(vlan)); | |
1679 | } | |
1680 | ||
1681 | static struct bt_device_s *bt_device_add(const char *opt) | |
1682 | { | |
1683 | struct bt_scatternet_s *vlan; | |
1684 | int vlan_id = 0; | |
1685 | char *endp = strstr(opt, ",vlan="); | |
1686 | int len = (endp ? endp - opt : strlen(opt)) + 1; | |
1687 | char devname[10]; | |
1688 | ||
1689 | pstrcpy(devname, MIN(sizeof(devname), len), opt); | |
1690 | ||
1691 | if (endp) { | |
1692 | vlan_id = strtol(endp + 6, &endp, 0); | |
1693 | if (*endp) { | |
1694 | fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); | |
1695 | return 0; | |
1696 | } | |
1697 | } | |
1698 | ||
1699 | vlan = qemu_find_bt_vlan(vlan_id); | |
1700 | ||
1701 | if (!vlan->slave) | |
1702 | fprintf(stderr, "qemu: warning: adding a slave device to " | |
1703 | "an empty scatternet %i\n", vlan_id); | |
1704 | ||
1705 | if (!strcmp(devname, "keyboard")) | |
1706 | return bt_keyboard_init(vlan); | |
1707 | ||
1708 | fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); | |
1709 | return 0; | |
1710 | } | |
1711 | ||
1712 | static int bt_parse(const char *opt) | |
1713 | { | |
1714 | const char *endp, *p; | |
1715 | int vlan; | |
1716 | ||
1717 | if (strstart(opt, "hci", &endp)) { | |
1718 | if (!*endp || *endp == ',') { | |
1719 | if (*endp) | |
1720 | if (!strstart(endp, ",vlan=", 0)) | |
1721 | opt = endp + 1; | |
1722 | ||
1723 | return bt_hci_parse(opt); | |
1724 | } | |
1725 | } else if (strstart(opt, "vhci", &endp)) { | |
1726 | if (!*endp || *endp == ',') { | |
1727 | if (*endp) { | |
1728 | if (strstart(endp, ",vlan=", &p)) { | |
1729 | vlan = strtol(p, (char **) &endp, 0); | |
1730 | if (*endp) { | |
1731 | fprintf(stderr, "qemu: bad scatternet '%s'\n", p); | |
1732 | return 1; | |
1733 | } | |
1734 | } else { | |
1735 | fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); | |
1736 | return 1; | |
1737 | } | |
1738 | } else | |
1739 | vlan = 0; | |
1740 | ||
1741 | bt_vhci_add(vlan); | |
1742 | return 0; | |
1743 | } | |
1744 | } else if (strstart(opt, "device:", &endp)) | |
1745 | return !bt_device_add(endp); | |
1746 | ||
1747 | fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); | |
1748 | return 1; | |
1749 | } | |
1750 | ||
1ae26a18 AZ |
1751 | /***********************************************************/ |
1752 | /* QEMU Block devices */ | |
1753 | ||
609497ab | 1754 | #define HD_ALIAS "index=%d,media=disk" |
e4bcb14c | 1755 | #define CDROM_ALIAS "index=2,media=cdrom" |
e4bcb14c | 1756 | #define FD_ALIAS "index=%d,if=floppy" |
609497ab AZ |
1757 | #define PFLASH_ALIAS "if=pflash" |
1758 | #define MTD_ALIAS "if=mtd" | |
9d413d1d | 1759 | #define SD_ALIAS "index=0,if=sd" |
e4bcb14c | 1760 | |
9dfd7c7a | 1761 | QemuOpts *drive_add(const char *file, const char *fmt, ...) |
e4bcb14c TS |
1762 | { |
1763 | va_list ap; | |
9dfd7c7a GH |
1764 | char optstr[1024]; |
1765 | QemuOpts *opts; | |
e4bcb14c | 1766 | |
e4bcb14c | 1767 | va_start(ap, fmt); |
9dfd7c7a | 1768 | vsnprintf(optstr, sizeof(optstr), fmt, ap); |
e4bcb14c TS |
1769 | va_end(ap); |
1770 | ||
7282a033 | 1771 | opts = qemu_opts_parse(&qemu_drive_opts, optstr, NULL); |
9dfd7c7a GH |
1772 | if (!opts) { |
1773 | fprintf(stderr, "%s: huh? duplicate? (%s)\n", | |
1774 | __FUNCTION__, optstr); | |
1775 | return NULL; | |
1776 | } | |
1777 | if (file) | |
1778 | qemu_opt_set(opts, "file", file); | |
1779 | return opts; | |
b01b1111 AL |
1780 | } |
1781 | ||
751c6a17 | 1782 | DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit) |
e4bcb14c | 1783 | { |
751c6a17 | 1784 | DriveInfo *dinfo; |
e4bcb14c TS |
1785 | |
1786 | /* seek interface, bus and unit */ | |
1787 | ||
72cf2d4f | 1788 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1789 | if (dinfo->type == type && |
1790 | dinfo->bus == bus && | |
1791 | dinfo->unit == unit) | |
1792 | return dinfo; | |
1793 | } | |
e4bcb14c | 1794 | |
751c6a17 | 1795 | return NULL; |
e4bcb14c TS |
1796 | } |
1797 | ||
2e810b36 | 1798 | DriveInfo *drive_get_by_id(const char *id) |
1dae12e6 GH |
1799 | { |
1800 | DriveInfo *dinfo; | |
1801 | ||
72cf2d4f | 1802 | QTAILQ_FOREACH(dinfo, &drives, next) { |
1dae12e6 GH |
1803 | if (strcmp(id, dinfo->id)) |
1804 | continue; | |
1805 | return dinfo; | |
1806 | } | |
1807 | return NULL; | |
1808 | } | |
1809 | ||
f60d39bc | 1810 | int drive_get_max_bus(BlockInterfaceType type) |
e4bcb14c TS |
1811 | { |
1812 | int max_bus; | |
751c6a17 | 1813 | DriveInfo *dinfo; |
e4bcb14c TS |
1814 | |
1815 | max_bus = -1; | |
72cf2d4f | 1816 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1817 | if(dinfo->type == type && |
1818 | dinfo->bus > max_bus) | |
1819 | max_bus = dinfo->bus; | |
e4bcb14c TS |
1820 | } |
1821 | return max_bus; | |
1822 | } | |
1823 | ||
fa879c64 AL |
1824 | const char *drive_get_serial(BlockDriverState *bdrv) |
1825 | { | |
751c6a17 | 1826 | DriveInfo *dinfo; |
fa879c64 | 1827 | |
72cf2d4f | 1828 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 GH |
1829 | if (dinfo->bdrv == bdrv) |
1830 | return dinfo->serial; | |
1831 | } | |
fa879c64 AL |
1832 | |
1833 | return "\0"; | |
1834 | } | |
1835 | ||
f7850099 KW |
1836 | BlockInterfaceErrorAction drive_get_on_error( |
1837 | BlockDriverState *bdrv, int is_read) | |
428c5705 | 1838 | { |
751c6a17 | 1839 | DriveInfo *dinfo; |
428c5705 | 1840 | |
72cf2d4f | 1841 | QTAILQ_FOREACH(dinfo, &drives, next) { |
751c6a17 | 1842 | if (dinfo->bdrv == bdrv) |
e9b2e818 | 1843 | return is_read ? dinfo->on_read_error : dinfo->on_write_error; |
751c6a17 | 1844 | } |
428c5705 | 1845 | |
e9b2e818 | 1846 | return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC; |
428c5705 AL |
1847 | } |
1848 | ||
a1620fac AJ |
1849 | static void bdrv_format_print(void *opaque, const char *name) |
1850 | { | |
1851 | fprintf(stderr, " %s", name); | |
1852 | } | |
1853 | ||
56a14938 | 1854 | void drive_uninit(DriveInfo *dinfo) |
b01b1111 | 1855 | { |
56a14938 GH |
1856 | qemu_opts_del(dinfo->opts); |
1857 | bdrv_delete(dinfo->bdrv); | |
1858 | QTAILQ_REMOVE(&drives, dinfo, next); | |
1859 | qemu_free(dinfo); | |
b01b1111 AL |
1860 | } |
1861 | ||
e9b2e818 KW |
1862 | static int parse_block_error_action(const char *buf, int is_read) |
1863 | { | |
1864 | if (!strcmp(buf, "ignore")) { | |
1865 | return BLOCK_ERR_IGNORE; | |
1866 | } else if (!is_read && !strcmp(buf, "enospc")) { | |
1867 | return BLOCK_ERR_STOP_ENOSPC; | |
1868 | } else if (!strcmp(buf, "stop")) { | |
1869 | return BLOCK_ERR_STOP_ANY; | |
1870 | } else if (!strcmp(buf, "report")) { | |
1871 | return BLOCK_ERR_REPORT; | |
1872 | } else { | |
1873 | fprintf(stderr, "qemu: '%s' invalid %s error action\n", | |
1874 | buf, is_read ? "read" : "write"); | |
1875 | return -1; | |
1876 | } | |
1877 | } | |
1878 | ||
9dfd7c7a | 1879 | DriveInfo *drive_init(QemuOpts *opts, void *opaque, |
751c6a17 | 1880 | int *fatal_error) |
e4bcb14c | 1881 | { |
9dfd7c7a GH |
1882 | const char *buf; |
1883 | const char *file = NULL; | |
c8522bdf | 1884 | char devname[128]; |
9dfd7c7a | 1885 | const char *serial; |
c8522bdf | 1886 | const char *mediastr = ""; |
f60d39bc | 1887 | BlockInterfaceType type; |
e4bcb14c TS |
1888 | enum { MEDIA_DISK, MEDIA_CDROM } media; |
1889 | int bus_id, unit_id; | |
1890 | int cyls, heads, secs, translation; | |
1e72d3b7 | 1891 | BlockDriver *drv = NULL; |
4d73cd3b | 1892 | QEMUMachine *machine = opaque; |
e4bcb14c TS |
1893 | int max_devs; |
1894 | int index; | |
33f00271 | 1895 | int cache; |
5c6c3a6c | 1896 | int aio = 0; |
59f2689d | 1897 | int ro = 0; |
e9b2e818 KW |
1898 | int bdrv_flags; |
1899 | int on_read_error, on_write_error; | |
c2cc47a4 | 1900 | const char *devaddr; |
751c6a17 | 1901 | DriveInfo *dinfo; |
9dfd7c7a | 1902 | int snapshot = 0; |
e4bcb14c | 1903 | |
9dfd7c7a | 1904 | *fatal_error = 1; |
e4bcb14c | 1905 | |
e4bcb14c | 1906 | translation = BIOS_ATA_TRANSLATION_AUTO; |
0aa217e4 | 1907 | cache = 1; |
e4bcb14c | 1908 | |
4d007814 | 1909 | if (machine && machine->use_scsi) { |
f60d39bc | 1910 | type = IF_SCSI; |
e4bcb14c | 1911 | max_devs = MAX_SCSI_DEVS; |
363a37d5 | 1912 | pstrcpy(devname, sizeof(devname), "scsi"); |
e4bcb14c | 1913 | } else { |
f60d39bc | 1914 | type = IF_IDE; |
e4bcb14c | 1915 | max_devs = MAX_IDE_DEVS; |
363a37d5 | 1916 | pstrcpy(devname, sizeof(devname), "ide"); |
e4bcb14c TS |
1917 | } |
1918 | media = MEDIA_DISK; | |
1919 | ||
1920 | /* extract parameters */ | |
9dfd7c7a GH |
1921 | bus_id = qemu_opt_get_number(opts, "bus", 0); |
1922 | unit_id = qemu_opt_get_number(opts, "unit", -1); | |
1923 | index = qemu_opt_get_number(opts, "index", -1); | |
e4bcb14c | 1924 | |
9dfd7c7a GH |
1925 | cyls = qemu_opt_get_number(opts, "cyls", 0); |
1926 | heads = qemu_opt_get_number(opts, "heads", 0); | |
1927 | secs = qemu_opt_get_number(opts, "secs", 0); | |
e4bcb14c | 1928 | |
9dfd7c7a | 1929 | snapshot = qemu_opt_get_bool(opts, "snapshot", 0); |
59f2689d | 1930 | ro = qemu_opt_get_bool(opts, "readonly", 0); |
e4bcb14c | 1931 | |
9dfd7c7a GH |
1932 | file = qemu_opt_get(opts, "file"); |
1933 | serial = qemu_opt_get(opts, "serial"); | |
1934 | ||
1935 | if ((buf = qemu_opt_get(opts, "if")) != NULL) { | |
ae45d369 | 1936 | pstrcpy(devname, sizeof(devname), buf); |
e4bcb14c | 1937 | if (!strcmp(buf, "ide")) { |
f60d39bc | 1938 | type = IF_IDE; |
e4bcb14c TS |
1939 | max_devs = MAX_IDE_DEVS; |
1940 | } else if (!strcmp(buf, "scsi")) { | |
f60d39bc | 1941 | type = IF_SCSI; |
e4bcb14c TS |
1942 | max_devs = MAX_SCSI_DEVS; |
1943 | } else if (!strcmp(buf, "floppy")) { | |
f60d39bc | 1944 | type = IF_FLOPPY; |
e4bcb14c TS |
1945 | max_devs = 0; |
1946 | } else if (!strcmp(buf, "pflash")) { | |
f60d39bc | 1947 | type = IF_PFLASH; |
e4bcb14c TS |
1948 | max_devs = 0; |
1949 | } else if (!strcmp(buf, "mtd")) { | |
f60d39bc | 1950 | type = IF_MTD; |
e4bcb14c TS |
1951 | max_devs = 0; |
1952 | } else if (!strcmp(buf, "sd")) { | |
f60d39bc | 1953 | type = IF_SD; |
e4bcb14c | 1954 | max_devs = 0; |
6e02c38d AL |
1955 | } else if (!strcmp(buf, "virtio")) { |
1956 | type = IF_VIRTIO; | |
1957 | max_devs = 0; | |
62d23efa AL |
1958 | } else if (!strcmp(buf, "xen")) { |
1959 | type = IF_XEN; | |
1960 | max_devs = 0; | |
a8659e90 GH |
1961 | } else if (!strcmp(buf, "none")) { |
1962 | type = IF_NONE; | |
1963 | max_devs = 0; | |
62d23efa | 1964 | } else { |
9dfd7c7a | 1965 | fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf); |
751c6a17 | 1966 | return NULL; |
e4bcb14c TS |
1967 | } |
1968 | } | |
1969 | ||
e4bcb14c | 1970 | if (cyls || heads || secs) { |
5afe3f04 | 1971 | if (cyls < 1 || (type == IF_IDE && cyls > 16383)) { |
9dfd7c7a | 1972 | fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf); |
751c6a17 | 1973 | return NULL; |
e4bcb14c | 1974 | } |
5afe3f04 | 1975 | if (heads < 1 || (type == IF_IDE && heads > 16)) { |
9dfd7c7a | 1976 | fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf); |
751c6a17 | 1977 | return NULL; |
e4bcb14c | 1978 | } |
5afe3f04 | 1979 | if (secs < 1 || (type == IF_IDE && secs > 63)) { |
9dfd7c7a | 1980 | fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf); |
751c6a17 | 1981 | return NULL; |
e4bcb14c TS |
1982 | } |
1983 | } | |
1984 | ||
9dfd7c7a | 1985 | if ((buf = qemu_opt_get(opts, "trans")) != NULL) { |
e4bcb14c TS |
1986 | if (!cyls) { |
1987 | fprintf(stderr, | |
1988 | "qemu: '%s' trans must be used with cyls,heads and secs\n", | |
9dfd7c7a | 1989 | buf); |
751c6a17 | 1990 | return NULL; |
e4bcb14c TS |
1991 | } |
1992 | if (!strcmp(buf, "none")) | |
1993 | translation = BIOS_ATA_TRANSLATION_NONE; | |
1994 | else if (!strcmp(buf, "lba")) | |
1995 | translation = BIOS_ATA_TRANSLATION_LBA; | |
1996 | else if (!strcmp(buf, "auto")) | |
1997 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
1998 | else { | |
9dfd7c7a | 1999 | fprintf(stderr, "qemu: '%s' invalid translation type\n", buf); |
751c6a17 | 2000 | return NULL; |
e4bcb14c TS |
2001 | } |
2002 | } | |
2003 | ||
9dfd7c7a | 2004 | if ((buf = qemu_opt_get(opts, "media")) != NULL) { |
e4bcb14c TS |
2005 | if (!strcmp(buf, "disk")) { |
2006 | media = MEDIA_DISK; | |
2007 | } else if (!strcmp(buf, "cdrom")) { | |
2008 | if (cyls || secs || heads) { | |
2009 | fprintf(stderr, | |
9dfd7c7a | 2010 | "qemu: '%s' invalid physical CHS format\n", buf); |
751c6a17 | 2011 | return NULL; |
e4bcb14c TS |
2012 | } |
2013 | media = MEDIA_CDROM; | |
2014 | } else { | |
9dfd7c7a | 2015 | fprintf(stderr, "qemu: '%s' invalid media\n", buf); |
751c6a17 | 2016 | return NULL; |
e4bcb14c TS |
2017 | } |
2018 | } | |
2019 | ||
9dfd7c7a | 2020 | if ((buf = qemu_opt_get(opts, "cache")) != NULL) { |
9f7965c7 | 2021 | if (!strcmp(buf, "off") || !strcmp(buf, "none")) |
33f00271 | 2022 | cache = 0; |
9f7965c7 | 2023 | else if (!strcmp(buf, "writethrough")) |
33f00271 | 2024 | cache = 1; |
9f7965c7 AL |
2025 | else if (!strcmp(buf, "writeback")) |
2026 | cache = 2; | |
33f00271 AZ |
2027 | else { |
2028 | fprintf(stderr, "qemu: invalid cache option\n"); | |
751c6a17 | 2029 | return NULL; |
33f00271 AZ |
2030 | } |
2031 | } | |
2032 | ||
5c6c3a6c CH |
2033 | #ifdef CONFIG_LINUX_AIO |
2034 | if ((buf = qemu_opt_get(opts, "aio")) != NULL) { | |
2035 | if (!strcmp(buf, "threads")) | |
2036 | aio = 0; | |
2037 | else if (!strcmp(buf, "native")) | |
2038 | aio = 1; | |
2039 | else { | |
2040 | fprintf(stderr, "qemu: invalid aio option\n"); | |
2041 | return NULL; | |
2042 | } | |
2043 | } | |
2044 | #endif | |
2045 | ||
9dfd7c7a | 2046 | if ((buf = qemu_opt_get(opts, "format")) != NULL) { |
a1620fac AJ |
2047 | if (strcmp(buf, "?") == 0) { |
2048 | fprintf(stderr, "qemu: Supported formats:"); | |
2049 | bdrv_iterate_format(bdrv_format_print, NULL); | |
2050 | fprintf(stderr, "\n"); | |
751c6a17 | 2051 | return NULL; |
a1620fac | 2052 | } |
eb852011 | 2053 | drv = bdrv_find_whitelisted_format(buf); |
1e72d3b7 AJ |
2054 | if (!drv) { |
2055 | fprintf(stderr, "qemu: '%s' invalid format\n", buf); | |
751c6a17 | 2056 | return NULL; |
1e72d3b7 AJ |
2057 | } |
2058 | } | |
2059 | ||
e9b2e818 | 2060 | on_write_error = BLOCK_ERR_STOP_ENOSPC; |
9dfd7c7a | 2061 | if ((buf = qemu_opt_get(opts, "werror")) != NULL) { |
869a5c6d | 2062 | if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) { |
ea8a5d7f | 2063 | fprintf(stderr, "werror is no supported by this format\n"); |
751c6a17 | 2064 | return NULL; |
428c5705 | 2065 | } |
e9b2e818 KW |
2066 | |
2067 | on_write_error = parse_block_error_action(buf, 0); | |
2068 | if (on_write_error < 0) { | |
2069 | return NULL; | |
2070 | } | |
2071 | } | |
2072 | ||
2073 | on_read_error = BLOCK_ERR_REPORT; | |
2074 | if ((buf = qemu_opt_get(opts, "rerror")) != NULL) { | |
f35d68f0 | 2075 | if (type != IF_IDE && type != IF_VIRTIO) { |
e9b2e818 KW |
2076 | fprintf(stderr, "rerror is no supported by this format\n"); |
2077 | return NULL; | |
2078 | } | |
2079 | ||
2080 | on_read_error = parse_block_error_action(buf, 1); | |
2081 | if (on_read_error < 0) { | |
751c6a17 | 2082 | return NULL; |
428c5705 AL |
2083 | } |
2084 | } | |
2085 | ||
9dfd7c7a | 2086 | if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) { |
c2cc47a4 | 2087 | if (type != IF_VIRTIO) { |
9dfd7c7a | 2088 | fprintf(stderr, "addr is not supported\n"); |
751c6a17 | 2089 | return NULL; |
c2cc47a4 | 2090 | } |
c2cc47a4 MA |
2091 | } |
2092 | ||
e4bcb14c TS |
2093 | /* compute bus and unit according index */ |
2094 | ||
2095 | if (index != -1) { | |
2096 | if (bus_id != 0 || unit_id != -1) { | |
2097 | fprintf(stderr, | |
9dfd7c7a | 2098 | "qemu: index cannot be used with bus and unit\n"); |
751c6a17 | 2099 | return NULL; |
e4bcb14c TS |
2100 | } |
2101 | if (max_devs == 0) | |
2102 | { | |
2103 | unit_id = index; | |
2104 | bus_id = 0; | |
2105 | } else { | |
2106 | unit_id = index % max_devs; | |
2107 | bus_id = index / max_devs; | |
2108 | } | |
2109 | } | |
2110 | ||
2111 | /* if user doesn't specify a unit_id, | |
2112 | * try to find the first free | |
2113 | */ | |
2114 | ||
2115 | if (unit_id == -1) { | |
2116 | unit_id = 0; | |
751c6a17 | 2117 | while (drive_get(type, bus_id, unit_id) != NULL) { |
e4bcb14c TS |
2118 | unit_id++; |
2119 | if (max_devs && unit_id >= max_devs) { | |
2120 | unit_id -= max_devs; | |
2121 | bus_id++; | |
2122 | } | |
2123 | } | |
2124 | } | |
2125 | ||
2126 | /* check unit id */ | |
2127 | ||
2128 | if (max_devs && unit_id >= max_devs) { | |
9dfd7c7a GH |
2129 | fprintf(stderr, "qemu: unit %d too big (max is %d)\n", |
2130 | unit_id, max_devs - 1); | |
751c6a17 | 2131 | return NULL; |
e4bcb14c TS |
2132 | } |
2133 | ||
2134 | /* | |
2135 | * ignore multiple definitions | |
2136 | */ | |
2137 | ||
751c6a17 GH |
2138 | if (drive_get(type, bus_id, unit_id) != NULL) { |
2139 | *fatal_error = 0; | |
2140 | return NULL; | |
2141 | } | |
e4bcb14c TS |
2142 | |
2143 | /* init */ | |
2144 | ||
751c6a17 | 2145 | dinfo = qemu_mallocz(sizeof(*dinfo)); |
e23d9c4d | 2146 | if ((buf = qemu_opts_id(opts)) != NULL) { |
9dfd7c7a GH |
2147 | dinfo->id = qemu_strdup(buf); |
2148 | } else { | |
1dae12e6 | 2149 | /* no id supplied -> create one */ |
9dfd7c7a | 2150 | dinfo->id = qemu_mallocz(32); |
1dae12e6 GH |
2151 | if (type == IF_IDE || type == IF_SCSI) |
2152 | mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; | |
2153 | if (max_devs) | |
9dfd7c7a | 2154 | snprintf(dinfo->id, 32, "%s%i%s%i", |
1dae12e6 GH |
2155 | devname, bus_id, mediastr, unit_id); |
2156 | else | |
9dfd7c7a | 2157 | snprintf(dinfo->id, 32, "%s%s%i", |
1dae12e6 GH |
2158 | devname, mediastr, unit_id); |
2159 | } | |
1dae12e6 | 2160 | dinfo->bdrv = bdrv_new(dinfo->id); |
751c6a17 GH |
2161 | dinfo->devaddr = devaddr; |
2162 | dinfo->type = type; | |
2163 | dinfo->bus = bus_id; | |
2164 | dinfo->unit = unit_id; | |
e9b2e818 KW |
2165 | dinfo->on_read_error = on_read_error; |
2166 | dinfo->on_write_error = on_write_error; | |
9dfd7c7a GH |
2167 | dinfo->opts = opts; |
2168 | if (serial) | |
2169 | strncpy(dinfo->serial, serial, sizeof(serial)); | |
72cf2d4f | 2170 | QTAILQ_INSERT_TAIL(&drives, dinfo, next); |
e4bcb14c | 2171 | |
f60d39bc | 2172 | switch(type) { |
e4bcb14c TS |
2173 | case IF_IDE: |
2174 | case IF_SCSI: | |
62d23efa | 2175 | case IF_XEN: |
c219331e | 2176 | case IF_NONE: |
e4bcb14c TS |
2177 | switch(media) { |
2178 | case MEDIA_DISK: | |
2179 | if (cyls != 0) { | |
1dae12e6 GH |
2180 | bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs); |
2181 | bdrv_set_translation_hint(dinfo->bdrv, translation); | |
e4bcb14c TS |
2182 | } |
2183 | break; | |
2184 | case MEDIA_CDROM: | |
1dae12e6 | 2185 | bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM); |
e4bcb14c TS |
2186 | break; |
2187 | } | |
2188 | break; | |
2189 | case IF_SD: | |
2190 | /* FIXME: This isn't really a floppy, but it's a reasonable | |
2191 | approximation. */ | |
2192 | case IF_FLOPPY: | |
1dae12e6 | 2193 | bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY); |
e4bcb14c TS |
2194 | break; |
2195 | case IF_PFLASH: | |
2196 | case IF_MTD: | |
2197 | break; | |
d176c495 GH |
2198 | case IF_VIRTIO: |
2199 | /* add virtio block device */ | |
2200 | opts = qemu_opts_create(&qemu_device_opts, NULL, 0); | |
2201 | qemu_opt_set(opts, "driver", "virtio-blk-pci"); | |
2202 | qemu_opt_set(opts, "drive", dinfo->id); | |
2203 | if (devaddr) | |
2204 | qemu_opt_set(opts, "addr", devaddr); | |
2205 | break; | |
aae9460e PB |
2206 | case IF_COUNT: |
2207 | abort(); | |
e4bcb14c | 2208 | } |
9dfd7c7a | 2209 | if (!file) { |
751c6a17 GH |
2210 | *fatal_error = 0; |
2211 | return NULL; | |
2212 | } | |
33f00271 | 2213 | bdrv_flags = 0; |
9f7965c7 | 2214 | if (snapshot) { |
33f00271 | 2215 | bdrv_flags |= BDRV_O_SNAPSHOT; |
9f7965c7 AL |
2216 | cache = 2; /* always use write-back with snapshot */ |
2217 | } | |
2218 | if (cache == 0) /* no caching */ | |
2219 | bdrv_flags |= BDRV_O_NOCACHE; | |
2220 | else if (cache == 2) /* write-back */ | |
2221 | bdrv_flags |= BDRV_O_CACHE_WB; | |
5c6c3a6c CH |
2222 | |
2223 | if (aio == 1) { | |
2224 | bdrv_flags |= BDRV_O_NATIVE_AIO; | |
2225 | } else { | |
2226 | bdrv_flags &= ~BDRV_O_NATIVE_AIO; | |
2227 | } | |
2228 | ||
59f2689d NS |
2229 | if (ro == 1) { |
2230 | if (type == IF_IDE) { | |
2231 | fprintf(stderr, "qemu: readonly flag not supported for drive with ide interface\n"); | |
2232 | return NULL; | |
2233 | } | |
2234 | (void)bdrv_set_read_only(dinfo->bdrv, 1); | |
2235 | } | |
2236 | ||
1dae12e6 | 2237 | if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) { |
850810d0 JF |
2238 | fprintf(stderr, "qemu: could not open disk image %s: %s\n", |
2239 | file, strerror(errno)); | |
751c6a17 | 2240 | return NULL; |
e4bcb14c | 2241 | } |
5c6c3a6c | 2242 | |
1dae12e6 | 2243 | if (bdrv_key_required(dinfo->bdrv)) |
c0f4ce77 | 2244 | autostart = 0; |
751c6a17 GH |
2245 | *fatal_error = 0; |
2246 | return dinfo; | |
e4bcb14c TS |
2247 | } |
2248 | ||
9dfd7c7a GH |
2249 | static int drive_init_func(QemuOpts *opts, void *opaque) |
2250 | { | |
2251 | QEMUMachine *machine = opaque; | |
2252 | int fatal_error = 0; | |
2253 | ||
2254 | if (drive_init(opts, machine, &fatal_error) == NULL) { | |
2255 | if (fatal_error) | |
2256 | return 1; | |
2257 | } | |
2258 | return 0; | |
2259 | } | |
2260 | ||
2261 | static int drive_enable_snapshot(QemuOpts *opts, void *opaque) | |
2262 | { | |
2263 | if (NULL == qemu_opt_get(opts, "snapshot")) { | |
2264 | qemu_opt_set(opts, "snapshot", "on"); | |
2265 | } | |
2266 | return 0; | |
2267 | } | |
2268 | ||
76e30d0f JK |
2269 | void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque) |
2270 | { | |
2271 | boot_set_handler = func; | |
2272 | boot_set_opaque = opaque; | |
2273 | } | |
2274 | ||
2275 | int qemu_boot_set(const char *boot_devices) | |
2276 | { | |
2277 | if (!boot_set_handler) { | |
2278 | return -EINVAL; | |
2279 | } | |
2280 | return boot_set_handler(boot_set_opaque, boot_devices); | |
2281 | } | |
2282 | ||
ef3adf68 JK |
2283 | static int parse_bootdevices(char *devices) |
2284 | { | |
2285 | /* We just do some generic consistency checks */ | |
2286 | const char *p; | |
2287 | int bitmap = 0; | |
2288 | ||
2289 | for (p = devices; *p != '\0'; p++) { | |
2290 | /* Allowed boot devices are: | |
2291 | * a-b: floppy disk drives | |
2292 | * c-f: IDE disk drives | |
2293 | * g-m: machine implementation dependant drives | |
2294 | * n-p: network devices | |
2295 | * It's up to each machine implementation to check if the given boot | |
2296 | * devices match the actual hardware implementation and firmware | |
2297 | * features. | |
2298 | */ | |
2299 | if (*p < 'a' || *p > 'p') { | |
2300 | fprintf(stderr, "Invalid boot device '%c'\n", *p); | |
2301 | exit(1); | |
2302 | } | |
2303 | if (bitmap & (1 << (*p - 'a'))) { | |
2304 | fprintf(stderr, "Boot device '%c' was given twice\n", *p); | |
2305 | exit(1); | |
2306 | } | |
2307 | bitmap |= 1 << (*p - 'a'); | |
2308 | } | |
2309 | return bitmap; | |
2310 | } | |
2311 | ||
e0f084bf JK |
2312 | static void restore_boot_devices(void *opaque) |
2313 | { | |
2314 | char *standard_boot_devices = opaque; | |
2315 | ||
2316 | qemu_boot_set(standard_boot_devices); | |
2317 | ||
2318 | qemu_unregister_reset(restore_boot_devices, standard_boot_devices); | |
2319 | qemu_free(standard_boot_devices); | |
2320 | } | |
2321 | ||
268a362c AL |
2322 | static void numa_add(const char *optarg) |
2323 | { | |
2324 | char option[128]; | |
2325 | char *endptr; | |
2326 | unsigned long long value, endvalue; | |
2327 | int nodenr; | |
2328 | ||
2329 | optarg = get_opt_name(option, 128, optarg, ',') + 1; | |
2330 | if (!strcmp(option, "node")) { | |
2331 | if (get_param_value(option, 128, "nodeid", optarg) == 0) { | |
2332 | nodenr = nb_numa_nodes; | |
2333 | } else { | |
2334 | nodenr = strtoull(option, NULL, 10); | |
2335 | } | |
2336 | ||
2337 | if (get_param_value(option, 128, "mem", optarg) == 0) { | |
2338 | node_mem[nodenr] = 0; | |
2339 | } else { | |
2340 | value = strtoull(option, &endptr, 0); | |
2341 | switch (*endptr) { | |
2342 | case 0: case 'M': case 'm': | |
2343 | value <<= 20; | |
2344 | break; | |
2345 | case 'G': case 'g': | |
2346 | value <<= 30; | |
2347 | break; | |
2348 | } | |
2349 | node_mem[nodenr] = value; | |
2350 | } | |
2351 | if (get_param_value(option, 128, "cpus", optarg) == 0) { | |
2352 | node_cpumask[nodenr] = 0; | |
2353 | } else { | |
2354 | value = strtoull(option, &endptr, 10); | |
2355 | if (value >= 64) { | |
2356 | value = 63; | |
2357 | fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n"); | |
2358 | } else { | |
2359 | if (*endptr == '-') { | |
2360 | endvalue = strtoull(endptr+1, &endptr, 10); | |
2361 | if (endvalue >= 63) { | |
2362 | endvalue = 62; | |
2363 | fprintf(stderr, | |
2364 | "only 63 CPUs in NUMA mode supported.\n"); | |
2365 | } | |
2366 | value = (1 << (endvalue + 1)) - (1 << value); | |
2367 | } else { | |
2368 | value = 1 << value; | |
2369 | } | |
2370 | } | |
2371 | node_cpumask[nodenr] = value; | |
2372 | } | |
2373 | nb_numa_nodes++; | |
2374 | } | |
2375 | return; | |
2376 | } | |
2377 | ||
dc6b1c09 AP |
2378 | static void smp_parse(const char *optarg) |
2379 | { | |
2380 | int smp, sockets = 0, threads = 0, cores = 0; | |
2381 | char *endptr; | |
2382 | char option[128]; | |
2383 | ||
2384 | smp = strtoul(optarg, &endptr, 10); | |
2385 | if (endptr != optarg) { | |
2386 | if (*endptr == ',') { | |
2387 | endptr++; | |
2388 | } | |
2389 | } | |
2390 | if (get_param_value(option, 128, "sockets", endptr) != 0) | |
2391 | sockets = strtoull(option, NULL, 10); | |
2392 | if (get_param_value(option, 128, "cores", endptr) != 0) | |
2393 | cores = strtoull(option, NULL, 10); | |
2394 | if (get_param_value(option, 128, "threads", endptr) != 0) | |
2395 | threads = strtoull(option, NULL, 10); | |
2396 | if (get_param_value(option, 128, "maxcpus", endptr) != 0) | |
2397 | max_cpus = strtoull(option, NULL, 10); | |
2398 | ||
2399 | /* compute missing values, prefer sockets over cores over threads */ | |
2400 | if (smp == 0 || sockets == 0) { | |
2401 | sockets = sockets > 0 ? sockets : 1; | |
2402 | cores = cores > 0 ? cores : 1; | |
2403 | threads = threads > 0 ? threads : 1; | |
2404 | if (smp == 0) { | |
2405 | smp = cores * threads * sockets; | |
dc6b1c09 AP |
2406 | } |
2407 | } else { | |
2408 | if (cores == 0) { | |
2409 | threads = threads > 0 ? threads : 1; | |
2410 | cores = smp / (sockets * threads); | |
2411 | } else { | |
5cdc9b76 | 2412 | if (sockets) { |
dc6b1c09 AP |
2413 | threads = smp / (cores * sockets); |
2414 | } | |
2415 | } | |
2416 | } | |
2417 | smp_cpus = smp; | |
2418 | smp_cores = cores > 0 ? cores : 1; | |
2419 | smp_threads = threads > 0 ? threads : 1; | |
2420 | if (max_cpus == 0) | |
2421 | max_cpus = smp_cpus; | |
2422 | } | |
2423 | ||
a594cfbf FB |
2424 | /***********************************************************/ |
2425 | /* USB devices */ | |
2426 | ||
c0f4ce77 | 2427 | static int usb_device_add(const char *devname, int is_hotplug) |
a594cfbf FB |
2428 | { |
2429 | const char *p; | |
a5d2f727 | 2430 | USBDevice *dev = NULL; |
a594cfbf | 2431 | |
a5d2f727 | 2432 | if (!usb_enabled) |
a594cfbf FB |
2433 | return -1; |
2434 | ||
0958b4cc GH |
2435 | /* drivers with .usbdevice_name entry in USBDeviceInfo */ |
2436 | dev = usbdevice_create(devname); | |
2437 | if (dev) | |
2438 | goto done; | |
2439 | ||
a5d2f727 | 2440 | /* the other ones */ |
a594cfbf FB |
2441 | if (strstart(devname, "host:", &p)) { |
2442 | dev = usb_host_device_open(p); | |
dc72ac14 AZ |
2443 | } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { |
2444 | dev = usb_bt_init(devname[2] ? hci_init(p) : | |
2445 | bt_new_hci(qemu_find_bt_vlan(0))); | |
a594cfbf FB |
2446 | } else { |
2447 | return -1; | |
2448 | } | |
0d92ed30 PB |
2449 | if (!dev) |
2450 | return -1; | |
2451 | ||
a5d2f727 | 2452 | done: |
a594cfbf FB |
2453 | return 0; |
2454 | } | |
2455 | ||
1f3870ab AL |
2456 | static int usb_device_del(const char *devname) |
2457 | { | |
2458 | int bus_num, addr; | |
2459 | const char *p; | |
2460 | ||
5d0c5750 AL |
2461 | if (strstart(devname, "host:", &p)) |
2462 | return usb_host_device_close(p); | |
2463 | ||
a5d2f727 | 2464 | if (!usb_enabled) |
1f3870ab AL |
2465 | return -1; |
2466 | ||
2467 | p = strchr(devname, '.'); | |
2468 | if (!p) | |
2469 | return -1; | |
2470 | bus_num = strtoul(devname, NULL, 0); | |
2471 | addr = strtoul(p + 1, NULL, 0); | |
2472 | ||
a5d2f727 | 2473 | return usb_device_delete_addr(bus_num, addr); |
1f3870ab AL |
2474 | } |
2475 | ||
bd3c948d GH |
2476 | static int usb_parse(const char *cmdline) |
2477 | { | |
59d1c1c2 ST |
2478 | int r; |
2479 | r = usb_device_add(cmdline, 0); | |
2480 | if (r < 0) { | |
2481 | fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline); | |
2482 | } | |
2483 | return r; | |
bd3c948d GH |
2484 | } |
2485 | ||
d54908a5 | 2486 | void do_usb_add(Monitor *mon, const QDict *qdict) |
a594cfbf | 2487 | { |
59d1c1c2 ST |
2488 | const char *devname = qdict_get_str(qdict, "devname"); |
2489 | if (usb_device_add(devname, 1) < 0) { | |
2490 | qemu_error("could not add USB device '%s'\n", devname); | |
2491 | } | |
a594cfbf FB |
2492 | } |
2493 | ||
d54908a5 | 2494 | void do_usb_del(Monitor *mon, const QDict *qdict) |
a594cfbf | 2495 | { |
59d1c1c2 ST |
2496 | const char *devname = qdict_get_str(qdict, "devname"); |
2497 | if (usb_device_del(devname) < 0) { | |
2498 | qemu_error("could not delete USB device '%s'\n", devname); | |
2499 | } | |
a594cfbf FB |
2500 | } |
2501 | ||
201a51fc AZ |
2502 | /***********************************************************/ |
2503 | /* PCMCIA/Cardbus */ | |
2504 | ||
2505 | static struct pcmcia_socket_entry_s { | |
bc24a225 | 2506 | PCMCIASocket *socket; |
201a51fc AZ |
2507 | struct pcmcia_socket_entry_s *next; |
2508 | } *pcmcia_sockets = 0; | |
2509 | ||
bc24a225 | 2510 | void pcmcia_socket_register(PCMCIASocket *socket) |
201a51fc AZ |
2511 | { |
2512 | struct pcmcia_socket_entry_s *entry; | |
2513 | ||
2514 | entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); | |
2515 | entry->socket = socket; | |
2516 | entry->next = pcmcia_sockets; | |
2517 | pcmcia_sockets = entry; | |
2518 | } | |
2519 | ||
bc24a225 | 2520 | void pcmcia_socket_unregister(PCMCIASocket *socket) |
201a51fc AZ |
2521 | { |
2522 | struct pcmcia_socket_entry_s *entry, **ptr; | |
2523 | ||
2524 | ptr = &pcmcia_sockets; | |
2525 | for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) | |
2526 | if (entry->socket == socket) { | |
2527 | *ptr = entry->next; | |
2528 | qemu_free(entry); | |
2529 | } | |
2530 | } | |
2531 | ||
376253ec | 2532 | void pcmcia_info(Monitor *mon) |
201a51fc AZ |
2533 | { |
2534 | struct pcmcia_socket_entry_s *iter; | |
376253ec | 2535 | |
201a51fc | 2536 | if (!pcmcia_sockets) |
376253ec | 2537 | monitor_printf(mon, "No PCMCIA sockets\n"); |
201a51fc AZ |
2538 | |
2539 | for (iter = pcmcia_sockets; iter; iter = iter->next) | |
376253ec AL |
2540 | monitor_printf(mon, "%s: %s\n", iter->socket->slot_string, |
2541 | iter->socket->attached ? iter->socket->card_string : | |
2542 | "Empty"); | |
201a51fc AZ |
2543 | } |
2544 | ||
2ff89790 | 2545 | /***********************************************************/ |
3023f332 AL |
2546 | /* register display */ |
2547 | ||
7b5d76da AL |
2548 | struct DisplayAllocator default_allocator = { |
2549 | defaultallocator_create_displaysurface, | |
2550 | defaultallocator_resize_displaysurface, | |
2551 | defaultallocator_free_displaysurface | |
2552 | }; | |
2553 | ||
3023f332 AL |
2554 | void register_displaystate(DisplayState *ds) |
2555 | { | |
2556 | DisplayState **s; | |
2557 | s = &display_state; | |
2558 | while (*s != NULL) | |
2559 | s = &(*s)->next; | |
2560 | ds->next = NULL; | |
2561 | *s = ds; | |
2562 | } | |
2563 | ||
2564 | DisplayState *get_displaystate(void) | |
2565 | { | |
2566 | return display_state; | |
2567 | } | |
2568 | ||
7b5d76da AL |
2569 | DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da) |
2570 | { | |
2571 | if(ds->allocator == &default_allocator) ds->allocator = da; | |
2572 | return ds->allocator; | |
2573 | } | |
2574 | ||
2ff89790 TS |
2575 | /* dumb display */ |
2576 | ||
8f391ab4 | 2577 | static void dumb_display_init(void) |
2ff89790 | 2578 | { |
8f391ab4 | 2579 | DisplayState *ds = qemu_mallocz(sizeof(DisplayState)); |
7b5d76da AL |
2580 | ds->allocator = &default_allocator; |
2581 | ds->surface = qemu_create_displaysurface(ds, 640, 480); | |
8f391ab4 | 2582 | register_displaystate(ds); |
2ff89790 TS |
2583 | } |
2584 | ||
8a7ddc38 FB |
2585 | /***********************************************************/ |
2586 | /* I/O handling */ | |
0824d6fc | 2587 | |
c4b1fcc0 FB |
2588 | typedef struct IOHandlerRecord { |
2589 | int fd; | |
7c9d8e07 FB |
2590 | IOCanRWHandler *fd_read_poll; |
2591 | IOHandler *fd_read; | |
2592 | IOHandler *fd_write; | |
cafffd40 | 2593 | int deleted; |
c4b1fcc0 FB |
2594 | void *opaque; |
2595 | /* temporary data */ | |
2596 | struct pollfd *ufd; | |
8a7ddc38 | 2597 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
2598 | } IOHandlerRecord; |
2599 | ||
8a7ddc38 | 2600 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 2601 | |
7c9d8e07 FB |
2602 | /* XXX: fd_read_poll should be suppressed, but an API change is |
2603 | necessary in the character devices to suppress fd_can_read(). */ | |
5fafdf24 TS |
2604 | int qemu_set_fd_handler2(int fd, |
2605 | IOCanRWHandler *fd_read_poll, | |
2606 | IOHandler *fd_read, | |
2607 | IOHandler *fd_write, | |
7c9d8e07 | 2608 | void *opaque) |
c4b1fcc0 | 2609 | { |
7c9d8e07 | 2610 | IOHandlerRecord **pioh, *ioh; |
c4b1fcc0 | 2611 | |
7c9d8e07 FB |
2612 | if (!fd_read && !fd_write) { |
2613 | pioh = &first_io_handler; | |
2614 | for(;;) { | |
2615 | ioh = *pioh; | |
2616 | if (ioh == NULL) | |
2617 | break; | |
2618 | if (ioh->fd == fd) { | |
cafffd40 | 2619 | ioh->deleted = 1; |
7c9d8e07 FB |
2620 | break; |
2621 | } | |
2622 | pioh = &ioh->next; | |
2623 | } | |
2624 | } else { | |
2625 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
2626 | if (ioh->fd == fd) | |
2627 | goto found; | |
2628 | } | |
2629 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
7c9d8e07 FB |
2630 | ioh->next = first_io_handler; |
2631 | first_io_handler = ioh; | |
2632 | found: | |
2633 | ioh->fd = fd; | |
2634 | ioh->fd_read_poll = fd_read_poll; | |
2635 | ioh->fd_read = fd_read; | |
2636 | ioh->fd_write = fd_write; | |
2637 | ioh->opaque = opaque; | |
cafffd40 | 2638 | ioh->deleted = 0; |
7c9d8e07 | 2639 | } |
c4b1fcc0 FB |
2640 | return 0; |
2641 | } | |
2642 | ||
5fafdf24 TS |
2643 | int qemu_set_fd_handler(int fd, |
2644 | IOHandler *fd_read, | |
2645 | IOHandler *fd_write, | |
7c9d8e07 | 2646 | void *opaque) |
8a7ddc38 | 2647 | { |
7c9d8e07 | 2648 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
8a7ddc38 FB |
2649 | } |
2650 | ||
56f3a5d0 | 2651 | #ifdef _WIN32 |
f331110f FB |
2652 | /***********************************************************/ |
2653 | /* Polling handling */ | |
2654 | ||
2655 | typedef struct PollingEntry { | |
2656 | PollingFunc *func; | |
2657 | void *opaque; | |
2658 | struct PollingEntry *next; | |
2659 | } PollingEntry; | |
2660 | ||
2661 | static PollingEntry *first_polling_entry; | |
2662 | ||
2663 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) | |
2664 | { | |
2665 | PollingEntry **ppe, *pe; | |
2666 | pe = qemu_mallocz(sizeof(PollingEntry)); | |
f331110f FB |
2667 | pe->func = func; |
2668 | pe->opaque = opaque; | |
2669 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); | |
2670 | *ppe = pe; | |
2671 | return 0; | |
2672 | } | |
2673 | ||
2674 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) | |
2675 | { | |
2676 | PollingEntry **ppe, *pe; | |
2677 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { | |
2678 | pe = *ppe; | |
2679 | if (pe->func == func && pe->opaque == opaque) { | |
2680 | *ppe = pe->next; | |
2681 | qemu_free(pe); | |
2682 | break; | |
2683 | } | |
2684 | } | |
2685 | } | |
2686 | ||
a18e524a FB |
2687 | /***********************************************************/ |
2688 | /* Wait objects support */ | |
2689 | typedef struct WaitObjects { | |
2690 | int num; | |
2691 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; | |
2692 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; | |
2693 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; | |
2694 | } WaitObjects; | |
2695 | ||
2696 | static WaitObjects wait_objects = {0}; | |
3b46e624 | 2697 | |
a18e524a FB |
2698 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
2699 | { | |
2700 | WaitObjects *w = &wait_objects; | |
2701 | ||
2702 | if (w->num >= MAXIMUM_WAIT_OBJECTS) | |
2703 | return -1; | |
2704 | w->events[w->num] = handle; | |
2705 | w->func[w->num] = func; | |
2706 | w->opaque[w->num] = opaque; | |
2707 | w->num++; | |
2708 | return 0; | |
2709 | } | |
2710 | ||
2711 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
2712 | { | |
2713 | int i, found; | |
2714 | WaitObjects *w = &wait_objects; | |
2715 | ||
2716 | found = 0; | |
2717 | for (i = 0; i < w->num; i++) { | |
2718 | if (w->events[i] == handle) | |
2719 | found = 1; | |
2720 | if (found) { | |
2721 | w->events[i] = w->events[i + 1]; | |
2722 | w->func[i] = w->func[i + 1]; | |
2723 | w->opaque[i] = w->opaque[i + 1]; | |
3b46e624 | 2724 | } |
a18e524a FB |
2725 | } |
2726 | if (found) | |
2727 | w->num--; | |
2728 | } | |
2729 | #endif | |
2730 | ||
8a7ddc38 FB |
2731 | /***********************************************************/ |
2732 | /* ram save/restore */ | |
2733 | ||
94fb0909 | 2734 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
475e4277 AL |
2735 | #define RAM_SAVE_FLAG_COMPRESS 0x02 |
2736 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
2737 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
2738 | #define RAM_SAVE_FLAG_EOS 0x10 | |
2739 | ||
2740 | static int is_dup_page(uint8_t *page, uint8_t ch) | |
8a7ddc38 | 2741 | { |
475e4277 AL |
2742 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
2743 | uint32_t *array = (uint32_t *)page; | |
2744 | int i; | |
3b46e624 | 2745 | |
475e4277 AL |
2746 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
2747 | if (array[i] != val) | |
2748 | return 0; | |
2749 | } | |
2750 | ||
2751 | return 1; | |
2752 | } | |
2753 | ||
2754 | static int ram_save_block(QEMUFile *f) | |
2755 | { | |
c227f099 AL |
2756 | static ram_addr_t current_addr = 0; |
2757 | ram_addr_t saved_addr = current_addr; | |
2758 | ram_addr_t addr = 0; | |
475e4277 AL |
2759 | int found = 0; |
2760 | ||
94a6b54f | 2761 | while (addr < last_ram_offset) { |
475e4277 | 2762 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { |
5579c7f3 | 2763 | uint8_t *p; |
475e4277 AL |
2764 | |
2765 | cpu_physical_memory_reset_dirty(current_addr, | |
2766 | current_addr + TARGET_PAGE_SIZE, | |
2767 | MIGRATION_DIRTY_FLAG); | |
2768 | ||
5579c7f3 | 2769 | p = qemu_get_ram_ptr(current_addr); |
475e4277 | 2770 | |
5579c7f3 | 2771 | if (is_dup_page(p, *p)) { |
475e4277 | 2772 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
5579c7f3 | 2773 | qemu_put_byte(f, *p); |
475e4277 AL |
2774 | } else { |
2775 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); | |
5579c7f3 | 2776 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
c88676f8 | 2777 | } |
475e4277 AL |
2778 | |
2779 | found = 1; | |
2780 | break; | |
c88676f8 | 2781 | } |
475e4277 | 2782 | addr += TARGET_PAGE_SIZE; |
94a6b54f | 2783 | current_addr = (saved_addr + addr) % last_ram_offset; |
8a7ddc38 | 2784 | } |
475e4277 AL |
2785 | |
2786 | return found; | |
8a7ddc38 FB |
2787 | } |
2788 | ||
84307938 | 2789 | static uint64_t bytes_transferred; |
475e4277 | 2790 | |
c227f099 | 2791 | static ram_addr_t ram_save_remaining(void) |
475e4277 | 2792 | { |
c227f099 AL |
2793 | ram_addr_t addr; |
2794 | ram_addr_t count = 0; | |
475e4277 | 2795 | |
94a6b54f | 2796 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
475e4277 AL |
2797 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
2798 | count++; | |
2799 | } | |
2800 | ||
2801 | return count; | |
2802 | } | |
2803 | ||
9f9e28cd GC |
2804 | uint64_t ram_bytes_remaining(void) |
2805 | { | |
2806 | return ram_save_remaining() * TARGET_PAGE_SIZE; | |
2807 | } | |
2808 | ||
2809 | uint64_t ram_bytes_transferred(void) | |
2810 | { | |
2811 | return bytes_transferred; | |
2812 | } | |
2813 | ||
2814 | uint64_t ram_bytes_total(void) | |
2815 | { | |
2816 | return last_ram_offset; | |
2817 | } | |
2818 | ||
f327aa0c | 2819 | static int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) |
475e4277 | 2820 | { |
c227f099 | 2821 | ram_addr_t addr; |
a0a3fd60 GC |
2822 | uint64_t bytes_transferred_last; |
2823 | double bwidth = 0; | |
2824 | uint64_t expected_time = 0; | |
475e4277 | 2825 | |
4ec7fcc7 JK |
2826 | if (stage < 0) { |
2827 | cpu_physical_memory_set_dirty_tracking(0); | |
2828 | return 0; | |
2829 | } | |
2830 | ||
9fa06385 | 2831 | if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { |
b0a46a33 JK |
2832 | qemu_file_set_error(f); |
2833 | return 0; | |
2834 | } | |
2835 | ||
475e4277 | 2836 | if (stage == 1) { |
84307938 JK |
2837 | bytes_transferred = 0; |
2838 | ||
475e4277 | 2839 | /* Make sure all dirty bits are set */ |
94a6b54f | 2840 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
475e4277 AL |
2841 | if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
2842 | cpu_physical_memory_set_dirty(addr); | |
2843 | } | |
b0a46a33 | 2844 | |
475e4277 AL |
2845 | /* Enable dirty memory tracking */ |
2846 | cpu_physical_memory_set_dirty_tracking(1); | |
2847 | ||
94a6b54f | 2848 | qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE); |
475e4277 AL |
2849 | } |
2850 | ||
a0a3fd60 GC |
2851 | bytes_transferred_last = bytes_transferred; |
2852 | bwidth = get_clock(); | |
2853 | ||
475e4277 AL |
2854 | while (!qemu_file_rate_limit(f)) { |
2855 | int ret; | |
2856 | ||
2857 | ret = ram_save_block(f); | |
9f9e28cd | 2858 | bytes_transferred += ret * TARGET_PAGE_SIZE; |
475e4277 AL |
2859 | if (ret == 0) /* no more blocks */ |
2860 | break; | |
2861 | } | |
2862 | ||
a0a3fd60 GC |
2863 | bwidth = get_clock() - bwidth; |
2864 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; | |
2865 | ||
2866 | /* if we haven't transferred anything this round, force expected_time to a | |
2867 | * a very high value, but without crashing */ | |
2868 | if (bwidth == 0) | |
2869 | bwidth = 0.000001; | |
2870 | ||
475e4277 | 2871 | /* try transferring iterative blocks of memory */ |
475e4277 | 2872 | if (stage == 3) { |
475e4277 | 2873 | /* flush all remaining blocks regardless of rate limiting */ |
9f9e28cd GC |
2874 | while (ram_save_block(f) != 0) { |
2875 | bytes_transferred += TARGET_PAGE_SIZE; | |
2876 | } | |
8215e914 | 2877 | cpu_physical_memory_set_dirty_tracking(0); |
475e4277 AL |
2878 | } |
2879 | ||
2880 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); | |
2881 | ||
a0a3fd60 GC |
2882 | expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
2883 | ||
2884 | return (stage == 2) && (expected_time <= migrate_max_downtime()); | |
475e4277 AL |
2885 | } |
2886 | ||
475e4277 AL |
2887 | static int ram_load(QEMUFile *f, void *opaque, int version_id) |
2888 | { | |
c227f099 | 2889 | ram_addr_t addr; |
475e4277 AL |
2890 | int flags; |
2891 | ||
475e4277 AL |
2892 | if (version_id != 3) |
2893 | return -EINVAL; | |
2894 | ||
2895 | do { | |
2896 | addr = qemu_get_be64(f); | |
2897 | ||
2898 | flags = addr & ~TARGET_PAGE_MASK; | |
2899 | addr &= TARGET_PAGE_MASK; | |
2900 | ||
2901 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
94a6b54f | 2902 | if (addr != last_ram_offset) |
475e4277 AL |
2903 | return -EINVAL; |
2904 | } | |
2905 | ||
475e4277 AL |
2906 | if (flags & RAM_SAVE_FLAG_COMPRESS) { |
2907 | uint8_t ch = qemu_get_byte(f); | |
779c6bef AL |
2908 | memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); |
2909 | #ifndef _WIN32 | |
30868442 AL |
2910 | if (ch == 0 && |
2911 | (!kvm_enabled() || kvm_has_sync_mmu())) { | |
2912 | madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED); | |
779c6bef | 2913 | } |
30868442 | 2914 | #endif |
9a743e5b | 2915 | } else if (flags & RAM_SAVE_FLAG_PAGE) { |
5579c7f3 | 2916 | qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); |
9a743e5b JK |
2917 | } |
2918 | if (qemu_file_has_error(f)) { | |
2919 | return -EIO; | |
2920 | } | |
475e4277 AL |
2921 | } while (!(flags & RAM_SAVE_FLAG_EOS)); |
2922 | ||
8a7ddc38 FB |
2923 | return 0; |
2924 | } | |
2925 | ||
9e472e10 AL |
2926 | void qemu_service_io(void) |
2927 | { | |
d9f75a4e | 2928 | qemu_notify_event(); |
9e472e10 AL |
2929 | } |
2930 | ||
cc1daa40 FB |
2931 | /***********************************************************/ |
2932 | /* machine registration */ | |
2933 | ||
bdaf78e0 | 2934 | static QEMUMachine *first_machine = NULL; |
6f338c34 | 2935 | QEMUMachine *current_machine = NULL; |
cc1daa40 FB |
2936 | |
2937 | int qemu_register_machine(QEMUMachine *m) | |
2938 | { | |
2939 | QEMUMachine **pm; | |
2940 | pm = &first_machine; | |
2941 | while (*pm != NULL) | |
2942 | pm = &(*pm)->next; | |
2943 | m->next = NULL; | |
2944 | *pm = m; | |
2945 | return 0; | |
2946 | } | |
2947 | ||
9596ebb7 | 2948 | static QEMUMachine *find_machine(const char *name) |
cc1daa40 FB |
2949 | { |
2950 | QEMUMachine *m; | |
2951 | ||
2952 | for(m = first_machine; m != NULL; m = m->next) { | |
2953 | if (!strcmp(m->name, name)) | |
2954 | return m; | |
3f6599e6 MM |
2955 | if (m->alias && !strcmp(m->alias, name)) |
2956 | return m; | |
cc1daa40 FB |
2957 | } |
2958 | return NULL; | |
2959 | } | |
2960 | ||
0c257437 AL |
2961 | static QEMUMachine *find_default_machine(void) |
2962 | { | |
2963 | QEMUMachine *m; | |
2964 | ||
2965 | for(m = first_machine; m != NULL; m = m->next) { | |
2966 | if (m->is_default) { | |
2967 | return m; | |
2968 | } | |
2969 | } | |
2970 | return NULL; | |
2971 | } | |
2972 | ||
8a7ddc38 FB |
2973 | /***********************************************************/ |
2974 | /* main execution loop */ | |
2975 | ||
9596ebb7 | 2976 | static void gui_update(void *opaque) |
8a7ddc38 | 2977 | { |
7d957bd8 | 2978 | uint64_t interval = GUI_REFRESH_INTERVAL; |
740733bb | 2979 | DisplayState *ds = opaque; |
7d957bd8 AL |
2980 | DisplayChangeListener *dcl = ds->listeners; |
2981 | ||
2982 | dpy_refresh(ds); | |
2983 | ||
2984 | while (dcl != NULL) { | |
2985 | if (dcl->gui_timer_interval && | |
2986 | dcl->gui_timer_interval < interval) | |
2987 | interval = dcl->gui_timer_interval; | |
2988 | dcl = dcl->next; | |
2989 | } | |
2990 | qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock)); | |
8a7ddc38 FB |
2991 | } |
2992 | ||
9043b62d BS |
2993 | static void nographic_update(void *opaque) |
2994 | { | |
2995 | uint64_t interval = GUI_REFRESH_INTERVAL; | |
2996 | ||
2997 | qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock)); | |
2998 | } | |
2999 | ||
0bd48850 FB |
3000 | struct vm_change_state_entry { |
3001 | VMChangeStateHandler *cb; | |
3002 | void *opaque; | |
72cf2d4f | 3003 | QLIST_ENTRY (vm_change_state_entry) entries; |
0bd48850 FB |
3004 | }; |
3005 | ||
72cf2d4f | 3006 | static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; |
0bd48850 FB |
3007 | |
3008 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
3009 | void *opaque) | |
3010 | { | |
3011 | VMChangeStateEntry *e; | |
3012 | ||
3013 | e = qemu_mallocz(sizeof (*e)); | |
0bd48850 FB |
3014 | |
3015 | e->cb = cb; | |
3016 | e->opaque = opaque; | |
72cf2d4f | 3017 | QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
0bd48850 FB |
3018 | return e; |
3019 | } | |
3020 | ||
3021 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
3022 | { | |
72cf2d4f | 3023 | QLIST_REMOVE (e, entries); |
0bd48850 FB |
3024 | qemu_free (e); |
3025 | } | |
3026 | ||
9781e040 | 3027 | static void vm_state_notify(int running, int reason) |
0bd48850 FB |
3028 | { |
3029 | VMChangeStateEntry *e; | |
3030 | ||
3031 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
9781e040 | 3032 | e->cb(e->opaque, running, reason); |
0bd48850 FB |
3033 | } |
3034 | } | |
3035 | ||
d6dc3d42 AL |
3036 | static void resume_all_vcpus(void); |
3037 | static void pause_all_vcpus(void); | |
3038 | ||
8a7ddc38 FB |
3039 | void vm_start(void) |
3040 | { | |
3041 | if (!vm_running) { | |
3042 | cpu_enable_ticks(); | |
3043 | vm_running = 1; | |
9781e040 | 3044 | vm_state_notify(1, 0); |
efe75411 | 3045 | qemu_rearm_alarm_timer(alarm_timer); |
d6dc3d42 | 3046 | resume_all_vcpus(); |
8a7ddc38 FB |
3047 | } |
3048 | } | |
3049 | ||
bb0c6722 FB |
3050 | /* reset/shutdown handler */ |
3051 | ||
3052 | typedef struct QEMUResetEntry { | |
72cf2d4f | 3053 | QTAILQ_ENTRY(QEMUResetEntry) entry; |
bb0c6722 FB |
3054 | QEMUResetHandler *func; |
3055 | void *opaque; | |
bb0c6722 FB |
3056 | } QEMUResetEntry; |
3057 | ||
72cf2d4f BS |
3058 | static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers = |
3059 | QTAILQ_HEAD_INITIALIZER(reset_handlers); | |
bb0c6722 FB |
3060 | static int reset_requested; |
3061 | static int shutdown_requested; | |
3475187d | 3062 | static int powerdown_requested; |
e568902a | 3063 | static int debug_requested; |
6e29f5da | 3064 | static int vmstop_requested; |
bb0c6722 | 3065 | |
cf7a2fe2 AJ |
3066 | int qemu_shutdown_requested(void) |
3067 | { | |
3068 | int r = shutdown_requested; | |
3069 | shutdown_requested = 0; | |
3070 | return r; | |
3071 | } | |
3072 | ||
3073 | int qemu_reset_requested(void) | |
3074 | { | |
3075 | int r = reset_requested; | |
3076 | reset_requested = 0; | |
3077 | return r; | |
3078 | } | |
3079 | ||
3080 | int qemu_powerdown_requested(void) | |
3081 | { | |
3082 | int r = powerdown_requested; | |
3083 | powerdown_requested = 0; | |
3084 | return r; | |
3085 | } | |
3086 | ||
e568902a AL |
3087 | static int qemu_debug_requested(void) |
3088 | { | |
3089 | int r = debug_requested; | |
3090 | debug_requested = 0; | |
3091 | return r; | |
3092 | } | |
3093 | ||
6e29f5da AL |
3094 | static int qemu_vmstop_requested(void) |
3095 | { | |
3096 | int r = vmstop_requested; | |
3097 | vmstop_requested = 0; | |
3098 | return r; | |
3099 | } | |
3100 | ||
3101 | static void do_vm_stop(int reason) | |
3102 | { | |
3103 | if (vm_running) { | |
3104 | cpu_disable_ticks(); | |
3105 | vm_running = 0; | |
d6dc3d42 | 3106 | pause_all_vcpus(); |
6e29f5da AL |
3107 | vm_state_notify(0, reason); |
3108 | } | |
3109 | } | |
3110 | ||
a08d4367 | 3111 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
bb0c6722 | 3112 | { |
55ddfe8e | 3113 | QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry)); |
bb0c6722 | 3114 | |
bb0c6722 FB |
3115 | re->func = func; |
3116 | re->opaque = opaque; | |
72cf2d4f | 3117 | QTAILQ_INSERT_TAIL(&reset_handlers, re, entry); |
bb0c6722 FB |
3118 | } |
3119 | ||
dda9b29f | 3120 | void qemu_unregister_reset(QEMUResetHandler *func, void *opaque) |
bb0c6722 FB |
3121 | { |
3122 | QEMUResetEntry *re; | |
3123 | ||
72cf2d4f | 3124 | QTAILQ_FOREACH(re, &reset_handlers, entry) { |
dda9b29f | 3125 | if (re->func == func && re->opaque == opaque) { |
72cf2d4f | 3126 | QTAILQ_REMOVE(&reset_handlers, re, entry); |
dda9b29f JK |
3127 | qemu_free(re); |
3128 | return; | |
3129 | } | |
3130 | } | |
3131 | } | |
3132 | ||
3133 | void qemu_system_reset(void) | |
3134 | { | |
3135 | QEMUResetEntry *re, *nre; | |
3136 | ||
3137 | /* reset all devices */ | |
72cf2d4f | 3138 | QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) { |
bb0c6722 FB |
3139 | re->func(re->opaque); |
3140 | } | |
3141 | } | |
3142 | ||
3143 | void qemu_system_reset_request(void) | |
3144 | { | |
d1beab82 FB |
3145 | if (no_reboot) { |
3146 | shutdown_requested = 1; | |
3147 | } else { | |
3148 | reset_requested = 1; | |
3149 | } | |
d9f75a4e | 3150 | qemu_notify_event(); |
bb0c6722 FB |
3151 | } |
3152 | ||
3153 | void qemu_system_shutdown_request(void) | |
3154 | { | |
3155 | shutdown_requested = 1; | |
d9f75a4e | 3156 | qemu_notify_event(); |
bb0c6722 FB |
3157 | } |
3158 | ||
3475187d FB |
3159 | void qemu_system_powerdown_request(void) |
3160 | { | |
3161 | powerdown_requested = 1; | |
d9f75a4e AL |
3162 | qemu_notify_event(); |
3163 | } | |
3164 | ||
d6dc3d42 AL |
3165 | #ifdef CONFIG_IOTHREAD |
3166 | static void qemu_system_vmstop_request(int reason) | |
d9f75a4e | 3167 | { |
d6dc3d42 AL |
3168 | vmstop_requested = reason; |
3169 | qemu_notify_event(); | |
bb0c6722 | 3170 | } |
d6dc3d42 | 3171 | #endif |
bb0c6722 | 3172 | |
50317c7f AL |
3173 | #ifndef _WIN32 |
3174 | static int io_thread_fd = -1; | |
3175 | ||
3176 | static void qemu_event_increment(void) | |
3fcf7b6b | 3177 | { |
50317c7f AL |
3178 | static const char byte = 0; |
3179 | ||
3180 | if (io_thread_fd == -1) | |
3181 | return; | |
3182 | ||
3183 | write(io_thread_fd, &byte, sizeof(byte)); | |
3184 | } | |
3185 | ||
3186 | static void qemu_event_read(void *opaque) | |
3187 | { | |
3188 | int fd = (unsigned long)opaque; | |
3189 | ssize_t len; | |
3190 | ||
3191 | /* Drain the notify pipe */ | |
3192 | do { | |
3193 | char buffer[512]; | |
3194 | len = read(fd, buffer, sizeof(buffer)); | |
3195 | } while ((len == -1 && errno == EINTR) || len > 0); | |
3196 | } | |
3197 | ||
3198 | static int qemu_event_init(void) | |
3199 | { | |
3200 | int err; | |
3201 | int fds[2]; | |
3202 | ||
40ff6d7e | 3203 | err = qemu_pipe(fds); |
50317c7f AL |
3204 | if (err == -1) |
3205 | return -errno; | |
3206 | ||
3207 | err = fcntl_setfl(fds[0], O_NONBLOCK); | |
3208 | if (err < 0) | |
3209 | goto fail; | |
3210 | ||
3211 | err = fcntl_setfl(fds[1], O_NONBLOCK); | |
3212 | if (err < 0) | |
3213 | goto fail; | |
3214 | ||
3215 | qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL, | |
3216 | (void *)(unsigned long)fds[0]); | |
3217 | ||
3218 | io_thread_fd = fds[1]; | |
a7e21219 JK |
3219 | return 0; |
3220 | ||
50317c7f AL |
3221 | fail: |
3222 | close(fds[0]); | |
3223 | close(fds[1]); | |
3224 | return err; | |
3225 | } | |
3226 | #else | |
3227 | HANDLE qemu_event_handle; | |
3228 | ||
3229 | static void dummy_event_handler(void *opaque) | |
3230 | { | |
3231 | } | |
3232 | ||
3233 | static int qemu_event_init(void) | |
3234 | { | |
3235 | qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL); | |
3236 | if (!qemu_event_handle) { | |
20889d4e | 3237 | fprintf(stderr, "Failed CreateEvent: %ld\n", GetLastError()); |
50317c7f AL |
3238 | return -1; |
3239 | } | |
3240 | qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL); | |
3fcf7b6b AL |
3241 | return 0; |
3242 | } | |
3243 | ||
50317c7f AL |
3244 | static void qemu_event_increment(void) |
3245 | { | |
de1c90cf | 3246 | if (!SetEvent(qemu_event_handle)) { |
20889d4e | 3247 | fprintf(stderr, "qemu_event_increment: SetEvent failed: %ld\n", |
de1c90cf | 3248 | GetLastError()); |
3249 | exit (1); | |
3250 | } | |
50317c7f AL |
3251 | } |
3252 | #endif | |
3253 | ||
d6dc3d42 AL |
3254 | static int cpu_can_run(CPUState *env) |
3255 | { | |
3256 | if (env->stop) | |
3257 | return 0; | |
3258 | if (env->stopped) | |
3259 | return 0; | |
3260 | return 1; | |
3261 | } | |
3262 | ||
3263 | #ifndef CONFIG_IOTHREAD | |
50317c7f AL |
3264 | static int qemu_init_main_loop(void) |
3265 | { | |
3266 | return qemu_event_init(); | |
3267 | } | |
3268 | ||
0bf46a40 AL |
3269 | void qemu_init_vcpu(void *_env) |
3270 | { | |
3271 | CPUState *env = _env; | |
3272 | ||
dc6b1c09 AP |
3273 | env->nr_cores = smp_cores; |
3274 | env->nr_threads = smp_threads; | |
3f7638ec JD |
3275 | if (kvm_enabled()) |
3276 | kvm_init_vcpu(env); | |
0bf46a40 AL |
3277 | return; |
3278 | } | |
3279 | ||
8edac960 AL |
3280 | int qemu_cpu_self(void *env) |
3281 | { | |
3282 | return 1; | |
3283 | } | |
3284 | ||
d6dc3d42 AL |
3285 | static void resume_all_vcpus(void) |
3286 | { | |
3287 | } | |
3288 | ||
3289 | static void pause_all_vcpus(void) | |
3290 | { | |
3291 | } | |
3292 | ||
8edac960 AL |
3293 | void qemu_cpu_kick(void *env) |
3294 | { | |
3295 | return; | |
3296 | } | |
3297 | ||
d6dc3d42 AL |
3298 | void qemu_notify_event(void) |
3299 | { | |
3300 | CPUState *env = cpu_single_env; | |
3301 | ||
3302 | if (env) { | |
3303 | cpu_exit(env); | |
4a1418e0 | 3304 | } |
d6dc3d42 AL |
3305 | } |
3306 | ||
d549db5a GC |
3307 | void qemu_mutex_lock_iothread(void) {} |
3308 | void qemu_mutex_unlock_iothread(void) {} | |
4870852c | 3309 | |
6e29f5da AL |
3310 | void vm_stop(int reason) |
3311 | { | |
3312 | do_vm_stop(reason); | |
3313 | } | |
3314 | ||
d6dc3d42 AL |
3315 | #else /* CONFIG_IOTHREAD */ |
3316 | ||
3317 | #include "qemu-thread.h" | |
3318 | ||
3319 | QemuMutex qemu_global_mutex; | |
3320 | static QemuMutex qemu_fair_mutex; | |
3321 | ||
3322 | static QemuThread io_thread; | |
3323 | ||
3324 | static QemuThread *tcg_cpu_thread; | |
3325 | static QemuCond *tcg_halt_cond; | |
3326 | ||
3327 | static int qemu_system_ready; | |
3328 | /* cpu creation */ | |
3329 | static QemuCond qemu_cpu_cond; | |
3330 | /* system init */ | |
3331 | static QemuCond qemu_system_cond; | |
3332 | static QemuCond qemu_pause_cond; | |
3333 | ||
3334 | static void block_io_signals(void); | |
3335 | static void unblock_io_signals(void); | |
3336 | static int tcg_has_work(void); | |
3337 | ||
3338 | static int qemu_init_main_loop(void) | |
3339 | { | |
3340 | int ret; | |
3341 | ||
3342 | ret = qemu_event_init(); | |
3343 | if (ret) | |
3344 | return ret; | |
3345 | ||
3346 | qemu_cond_init(&qemu_pause_cond); | |
3347 | qemu_mutex_init(&qemu_fair_mutex); | |
3348 | qemu_mutex_init(&qemu_global_mutex); | |
3349 | qemu_mutex_lock(&qemu_global_mutex); | |
3350 | ||
3351 | unblock_io_signals(); | |
3352 | qemu_thread_self(&io_thread); | |
3353 | ||
3354 | return 0; | |
3355 | } | |
3356 | ||
3357 | static void qemu_wait_io_event(CPUState *env) | |
3358 | { | |
3359 | while (!tcg_has_work()) | |
3360 | qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000); | |
3361 | ||
3362 | qemu_mutex_unlock(&qemu_global_mutex); | |
3363 | ||
3364 | /* | |
3365 | * Users of qemu_global_mutex can be starved, having no chance | |
3366 | * to acquire it since this path will get to it first. | |
3367 | * So use another lock to provide fairness. | |
3368 | */ | |
3369 | qemu_mutex_lock(&qemu_fair_mutex); | |
3370 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3371 | ||
3372 | qemu_mutex_lock(&qemu_global_mutex); | |
3373 | if (env->stop) { | |
3374 | env->stop = 0; | |
3375 | env->stopped = 1; | |
3376 | qemu_cond_signal(&qemu_pause_cond); | |
3377 | } | |
3378 | } | |
3379 | ||
3380 | static int qemu_cpu_exec(CPUState *env); | |
3381 | ||
3382 | static void *kvm_cpu_thread_fn(void *arg) | |
3383 | { | |
3384 | CPUState *env = arg; | |
3385 | ||
3386 | block_io_signals(); | |
3387 | qemu_thread_self(env->thread); | |
321c1cb1 JCD |
3388 | if (kvm_enabled()) |
3389 | kvm_init_vcpu(env); | |
d6dc3d42 AL |
3390 | |
3391 | /* signal CPU creation */ | |
3392 | qemu_mutex_lock(&qemu_global_mutex); | |
3393 | env->created = 1; | |
3394 | qemu_cond_signal(&qemu_cpu_cond); | |
3395 | ||
3396 | /* and wait for machine initialization */ | |
3397 | while (!qemu_system_ready) | |
3398 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3399 | ||
3400 | while (1) { | |
3401 | if (cpu_can_run(env)) | |
3402 | qemu_cpu_exec(env); | |
1c3173b9 | 3403 | qemu_wait_io_event(env); |
d6dc3d42 AL |
3404 | } |
3405 | ||
3406 | return NULL; | |
3407 | } | |
3408 | ||
3409 | static void tcg_cpu_exec(void); | |
3410 | ||
3411 | static void *tcg_cpu_thread_fn(void *arg) | |
3412 | { | |
3413 | CPUState *env = arg; | |
3414 | ||
3415 | block_io_signals(); | |
3416 | qemu_thread_self(env->thread); | |
3417 | ||
3418 | /* signal CPU creation */ | |
3419 | qemu_mutex_lock(&qemu_global_mutex); | |
3420 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
3421 | env->created = 1; | |
3422 | qemu_cond_signal(&qemu_cpu_cond); | |
3423 | ||
3424 | /* and wait for machine initialization */ | |
3425 | while (!qemu_system_ready) | |
3426 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3427 | ||
3428 | while (1) { | |
3429 | tcg_cpu_exec(); | |
3430 | qemu_wait_io_event(cur_cpu); | |
3431 | } | |
3432 | ||
3433 | return NULL; | |
3434 | } | |
3435 | ||
3436 | void qemu_cpu_kick(void *_env) | |
3437 | { | |
3438 | CPUState *env = _env; | |
3439 | qemu_cond_broadcast(env->halt_cond); | |
3440 | if (kvm_enabled()) | |
3441 | qemu_thread_signal(env->thread, SIGUSR1); | |
3442 | } | |
3443 | ||
e5bc201d | 3444 | int qemu_cpu_self(void *_env) |
d6dc3d42 | 3445 | { |
e5bc201d GC |
3446 | CPUState *env = _env; |
3447 | QemuThread this; | |
3448 | ||
3449 | qemu_thread_self(&this); | |
3450 | ||
3451 | return qemu_thread_equal(&this, env->thread); | |
d6dc3d42 AL |
3452 | } |
3453 | ||
3454 | static void cpu_signal(int sig) | |
3455 | { | |
3456 | if (cpu_single_env) | |
3457 | cpu_exit(cpu_single_env); | |
3458 | } | |
3459 | ||
3460 | static void block_io_signals(void) | |
3461 | { | |
3462 | sigset_t set; | |
3463 | struct sigaction sigact; | |
3464 | ||
3465 | sigemptyset(&set); | |
3466 | sigaddset(&set, SIGUSR2); | |
3467 | sigaddset(&set, SIGIO); | |
3468 | sigaddset(&set, SIGALRM); | |
3469 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3470 | ||
3471 | sigemptyset(&set); | |
3472 | sigaddset(&set, SIGUSR1); | |
3473 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3474 | ||
3475 | memset(&sigact, 0, sizeof(sigact)); | |
3476 | sigact.sa_handler = cpu_signal; | |
3477 | sigaction(SIGUSR1, &sigact, NULL); | |
3478 | } | |
3479 | ||
3480 | static void unblock_io_signals(void) | |
3481 | { | |
3482 | sigset_t set; | |
3483 | ||
3484 | sigemptyset(&set); | |
3485 | sigaddset(&set, SIGUSR2); | |
3486 | sigaddset(&set, SIGIO); | |
3487 | sigaddset(&set, SIGALRM); | |
3488 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3489 | ||
3490 | sigemptyset(&set); | |
3491 | sigaddset(&set, SIGUSR1); | |
3492 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3493 | } | |
3494 | ||
3495 | static void qemu_signal_lock(unsigned int msecs) | |
3496 | { | |
3497 | qemu_mutex_lock(&qemu_fair_mutex); | |
3498 | ||
3499 | while (qemu_mutex_trylock(&qemu_global_mutex)) { | |
3500 | qemu_thread_signal(tcg_cpu_thread, SIGUSR1); | |
3501 | if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs)) | |
3502 | break; | |
3503 | } | |
3504 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3505 | } | |
3506 | ||
d549db5a | 3507 | void qemu_mutex_lock_iothread(void) |
d6dc3d42 AL |
3508 | { |
3509 | if (kvm_enabled()) { | |
3510 | qemu_mutex_lock(&qemu_fair_mutex); | |
3511 | qemu_mutex_lock(&qemu_global_mutex); | |
3512 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3513 | } else | |
3514 | qemu_signal_lock(100); | |
3515 | } | |
3516 | ||
d549db5a | 3517 | void qemu_mutex_unlock_iothread(void) |
d6dc3d42 AL |
3518 | { |
3519 | qemu_mutex_unlock(&qemu_global_mutex); | |
3520 | } | |
3521 | ||
3522 | static int all_vcpus_paused(void) | |
3523 | { | |
3524 | CPUState *penv = first_cpu; | |
3525 | ||
3526 | while (penv) { | |
3527 | if (!penv->stopped) | |
3528 | return 0; | |
3529 | penv = (CPUState *)penv->next_cpu; | |
3530 | } | |
3531 | ||
3532 | return 1; | |
3533 | } | |
3534 | ||
3535 | static void pause_all_vcpus(void) | |
3536 | { | |
3537 | CPUState *penv = first_cpu; | |
3538 | ||
3539 | while (penv) { | |
3540 | penv->stop = 1; | |
3541 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3542 | qemu_cpu_kick(penv); | |
3543 | penv = (CPUState *)penv->next_cpu; | |
3544 | } | |
3545 | ||
3546 | while (!all_vcpus_paused()) { | |
3547 | qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100); | |
3548 | penv = first_cpu; | |
3549 | while (penv) { | |
3550 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3551 | penv = (CPUState *)penv->next_cpu; | |
3552 | } | |
3553 | } | |
3554 | } | |
3555 | ||
3556 | static void resume_all_vcpus(void) | |
3557 | { | |
3558 | CPUState *penv = first_cpu; | |
3559 | ||
3560 | while (penv) { | |
3561 | penv->stop = 0; | |
3562 | penv->stopped = 0; | |
3563 | qemu_thread_signal(penv->thread, SIGUSR1); | |
3564 | qemu_cpu_kick(penv); | |
3565 | penv = (CPUState *)penv->next_cpu; | |
3566 | } | |
3567 | } | |
3568 | ||
3569 | static void tcg_init_vcpu(void *_env) | |
3570 | { | |
3571 | CPUState *env = _env; | |
3572 | /* share a single thread for all cpus with TCG */ | |
3573 | if (!tcg_cpu_thread) { | |
3574 | env->thread = qemu_mallocz(sizeof(QemuThread)); | |
3575 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
3576 | qemu_cond_init(env->halt_cond); | |
3577 | qemu_thread_create(env->thread, tcg_cpu_thread_fn, env); | |
3578 | while (env->created == 0) | |
3579 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
3580 | tcg_cpu_thread = env->thread; | |
3581 | tcg_halt_cond = env->halt_cond; | |
3582 | } else { | |
3583 | env->thread = tcg_cpu_thread; | |
3584 | env->halt_cond = tcg_halt_cond; | |
3585 | } | |
3586 | } | |
3587 | ||
3588 | static void kvm_start_vcpu(CPUState *env) | |
3589 | { | |
d6dc3d42 AL |
3590 | env->thread = qemu_mallocz(sizeof(QemuThread)); |
3591 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
3592 | qemu_cond_init(env->halt_cond); | |
3593 | qemu_thread_create(env->thread, kvm_cpu_thread_fn, env); | |
3594 | while (env->created == 0) | |
3595 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
3596 | } | |
3597 | ||
3598 | void qemu_init_vcpu(void *_env) | |
3599 | { | |
3600 | CPUState *env = _env; | |
3601 | ||
3f7638ec JD |
3602 | env->nr_cores = smp_cores; |
3603 | env->nr_threads = smp_threads; | |
d6dc3d42 AL |
3604 | if (kvm_enabled()) |
3605 | kvm_start_vcpu(env); | |
3606 | else | |
3607 | tcg_init_vcpu(env); | |
3608 | } | |
3609 | ||
3610 | void qemu_notify_event(void) | |
3611 | { | |
3612 | qemu_event_increment(); | |
3613 | } | |
3614 | ||
3615 | void vm_stop(int reason) | |
3616 | { | |
3617 | QemuThread me; | |
3618 | qemu_thread_self(&me); | |
3619 | ||
3620 | if (!qemu_thread_equal(&me, &io_thread)) { | |
3621 | qemu_system_vmstop_request(reason); | |
3622 | /* | |
3623 | * FIXME: should not return to device code in case | |
3624 | * vm_stop() has been requested. | |
3625 | */ | |
3626 | if (cpu_single_env) { | |
3627 | cpu_exit(cpu_single_env); | |
3628 | cpu_single_env->stop = 1; | |
3629 | } | |
3630 | return; | |
3631 | } | |
3632 | do_vm_stop(reason); | |
3633 | } | |
3634 | ||
3635 | #endif | |
3636 | ||
3637 | ||
877cf882 | 3638 | #ifdef _WIN32 |
69d6451c | 3639 | static void host_main_loop_wait(int *timeout) |
56f3a5d0 AL |
3640 | { |
3641 | int ret, ret2, i; | |
f331110f FB |
3642 | PollingEntry *pe; |
3643 | ||
c4b1fcc0 | 3644 | |
f331110f FB |
3645 | /* XXX: need to suppress polling by better using win32 events */ |
3646 | ret = 0; | |
3647 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { | |
3648 | ret |= pe->func(pe->opaque); | |
3649 | } | |
e6b1e558 | 3650 | if (ret == 0) { |
a18e524a FB |
3651 | int err; |
3652 | WaitObjects *w = &wait_objects; | |
3b46e624 | 3653 | |
56f3a5d0 | 3654 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); |
a18e524a FB |
3655 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
3656 | if (w->func[ret - WAIT_OBJECT_0]) | |
3657 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); | |
3b46e624 | 3658 | |
5fafdf24 | 3659 | /* Check for additional signaled events */ |
e6b1e558 | 3660 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
3b46e624 | 3661 | |
e6b1e558 TS |
3662 | /* Check if event is signaled */ |
3663 | ret2 = WaitForSingleObject(w->events[i], 0); | |
3664 | if(ret2 == WAIT_OBJECT_0) { | |
3665 | if (w->func[i]) | |
3666 | w->func[i](w->opaque[i]); | |
3667 | } else if (ret2 == WAIT_TIMEOUT) { | |
3668 | } else { | |
3669 | err = GetLastError(); | |
3670 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); | |
3b46e624 TS |
3671 | } |
3672 | } | |
a18e524a FB |
3673 | } else if (ret == WAIT_TIMEOUT) { |
3674 | } else { | |
3675 | err = GetLastError(); | |
e6b1e558 | 3676 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); |
a18e524a | 3677 | } |
f331110f | 3678 | } |
56f3a5d0 AL |
3679 | |
3680 | *timeout = 0; | |
3681 | } | |
3682 | #else | |
69d6451c | 3683 | static void host_main_loop_wait(int *timeout) |
56f3a5d0 AL |
3684 | { |
3685 | } | |
fd1dff4b | 3686 | #endif |
56f3a5d0 AL |
3687 | |
3688 | void main_loop_wait(int timeout) | |
3689 | { | |
3690 | IOHandlerRecord *ioh; | |
3691 | fd_set rfds, wfds, xfds; | |
3692 | int ret, nfds; | |
3693 | struct timeval tv; | |
3694 | ||
3695 | qemu_bh_update_timeout(&timeout); | |
3696 | ||
3697 | host_main_loop_wait(&timeout); | |
3698 | ||
fd1dff4b FB |
3699 | /* poll any events */ |
3700 | /* XXX: separate device handlers from system ones */ | |
6abfbd79 | 3701 | nfds = -1; |
fd1dff4b FB |
3702 | FD_ZERO(&rfds); |
3703 | FD_ZERO(&wfds); | |
e035649e | 3704 | FD_ZERO(&xfds); |
fd1dff4b | 3705 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
cafffd40 TS |
3706 | if (ioh->deleted) |
3707 | continue; | |
fd1dff4b FB |
3708 | if (ioh->fd_read && |
3709 | (!ioh->fd_read_poll || | |
3710 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
3711 | FD_SET(ioh->fd, &rfds); | |
3712 | if (ioh->fd > nfds) | |
3713 | nfds = ioh->fd; | |
3714 | } | |
3715 | if (ioh->fd_write) { | |
3716 | FD_SET(ioh->fd, &wfds); | |
3717 | if (ioh->fd > nfds) | |
3718 | nfds = ioh->fd; | |
3719 | } | |
3720 | } | |
3b46e624 | 3721 | |
56f3a5d0 AL |
3722 | tv.tv_sec = timeout / 1000; |
3723 | tv.tv_usec = (timeout % 1000) * 1000; | |
3724 | ||
d918f23e JK |
3725 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
3726 | ||
4870852c | 3727 | qemu_mutex_unlock_iothread(); |
e035649e | 3728 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); |
4870852c | 3729 | qemu_mutex_lock_iothread(); |
fd1dff4b | 3730 | if (ret > 0) { |
cafffd40 TS |
3731 | IOHandlerRecord **pioh; |
3732 | ||
3733 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
6ab43fdc | 3734 | if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { |
fd1dff4b | 3735 | ioh->fd_read(ioh->opaque); |
7c9d8e07 | 3736 | } |
6ab43fdc | 3737 | if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { |
fd1dff4b | 3738 | ioh->fd_write(ioh->opaque); |
c4b1fcc0 | 3739 | } |
b4608c04 | 3740 | } |
cafffd40 TS |
3741 | |
3742 | /* remove deleted IO handlers */ | |
3743 | pioh = &first_io_handler; | |
3744 | while (*pioh) { | |
3745 | ioh = *pioh; | |
3746 | if (ioh->deleted) { | |
3747 | *pioh = ioh->next; | |
3748 | qemu_free(ioh); | |
5fafdf24 | 3749 | } else |
cafffd40 TS |
3750 | pioh = &ioh->next; |
3751 | } | |
fd1dff4b | 3752 | } |
d918f23e JK |
3753 | |
3754 | slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0)); | |
b4608c04 | 3755 | |
50317c7f AL |
3756 | /* rearm timer, if not periodic */ |
3757 | if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { | |
3758 | alarm_timer->flags &= ~ALARM_FLAG_EXPIRED; | |
3759 | qemu_rearm_alarm_timer(alarm_timer); | |
3760 | } | |
3761 | ||
357c692c | 3762 | /* vm time timers */ |
d6dc3d42 AL |
3763 | if (vm_running) { |
3764 | if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) | |
0fdddf80 JK |
3765 | qemu_run_timers(&active_timers[QEMU_CLOCK_VIRTUAL], |
3766 | qemu_get_clock(vm_clock)); | |
d6dc3d42 | 3767 | } |
357c692c AL |
3768 | |
3769 | /* real time timers */ | |
0fdddf80 | 3770 | qemu_run_timers(&active_timers[QEMU_CLOCK_REALTIME], |
357c692c AL |
3771 | qemu_get_clock(rt_clock)); |
3772 | ||
21d5d12b JK |
3773 | qemu_run_timers(&active_timers[QEMU_CLOCK_HOST], |
3774 | qemu_get_clock(host_clock)); | |
3775 | ||
423f0742 PB |
3776 | /* Check bottom-halves last in case any of the earlier events triggered |
3777 | them. */ | |
3778 | qemu_bh_poll(); | |
3b46e624 | 3779 | |
5905b2e5 FB |
3780 | } |
3781 | ||
43b96858 | 3782 | static int qemu_cpu_exec(CPUState *env) |
5905b2e5 | 3783 | { |
43b96858 | 3784 | int ret; |
89bfc105 FB |
3785 | #ifdef CONFIG_PROFILER |
3786 | int64_t ti; | |
3787 | #endif | |
5905b2e5 | 3788 | |
89bfc105 | 3789 | #ifdef CONFIG_PROFILER |
43b96858 | 3790 | ti = profile_getclock(); |
89bfc105 | 3791 | #endif |
43b96858 AL |
3792 | if (use_icount) { |
3793 | int64_t count; | |
3794 | int decr; | |
3795 | qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); | |
3796 | env->icount_decr.u16.low = 0; | |
3797 | env->icount_extra = 0; | |
3798 | count = qemu_next_deadline(); | |
3799 | count = (count + (1 << icount_time_shift) - 1) | |
3800 | >> icount_time_shift; | |
3801 | qemu_icount += count; | |
3802 | decr = (count > 0xffff) ? 0xffff : count; | |
3803 | count -= decr; | |
3804 | env->icount_decr.u16.low = decr; | |
3805 | env->icount_extra = count; | |
3806 | } | |
3807 | ret = cpu_exec(env); | |
89bfc105 | 3808 | #ifdef CONFIG_PROFILER |
43b96858 | 3809 | qemu_time += profile_getclock() - ti; |
89bfc105 | 3810 | #endif |
43b96858 AL |
3811 | if (use_icount) { |
3812 | /* Fold pending instructions back into the | |
3813 | instruction counter, and clear the interrupt flag. */ | |
3814 | qemu_icount -= (env->icount_decr.u16.low | |
3815 | + env->icount_extra); | |
3816 | env->icount_decr.u32 = 0; | |
3817 | env->icount_extra = 0; | |
3818 | } | |
3819 | return ret; | |
3820 | } | |
3821 | ||
e6e35b1e AL |
3822 | static void tcg_cpu_exec(void) |
3823 | { | |
d6dc3d42 | 3824 | int ret = 0; |
e6e35b1e AL |
3825 | |
3826 | if (next_cpu == NULL) | |
3827 | next_cpu = first_cpu; | |
3828 | for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { | |
3829 | CPUState *env = cur_cpu = next_cpu; | |
3830 | ||
3831 | if (!vm_running) | |
3832 | break; | |
3833 | if (timer_alarm_pending) { | |
3834 | timer_alarm_pending = 0; | |
3835 | break; | |
3836 | } | |
d6dc3d42 AL |
3837 | if (cpu_can_run(env)) |
3838 | ret = qemu_cpu_exec(env); | |
e6e35b1e AL |
3839 | if (ret == EXCP_DEBUG) { |
3840 | gdb_set_stop_cpu(env); | |
3841 | debug_requested = 1; | |
3842 | break; | |
3843 | } | |
3844 | } | |
3845 | } | |
3846 | ||
43b96858 AL |
3847 | static int cpu_has_work(CPUState *env) |
3848 | { | |
d6dc3d42 AL |
3849 | if (env->stop) |
3850 | return 1; | |
3851 | if (env->stopped) | |
3852 | return 0; | |
43b96858 AL |
3853 | if (!env->halted) |
3854 | return 1; | |
3855 | if (qemu_cpu_has_work(env)) | |
3856 | return 1; | |
3857 | return 0; | |
3858 | } | |
3859 | ||
3860 | static int tcg_has_work(void) | |
3861 | { | |
3862 | CPUState *env; | |
3863 | ||
3864 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
3865 | if (cpu_has_work(env)) | |
3866 | return 1; | |
3867 | return 0; | |
3868 | } | |
3869 | ||
3870 | static int qemu_calculate_timeout(void) | |
3871 | { | |
b319820d | 3872 | #ifndef CONFIG_IOTHREAD |
43b96858 AL |
3873 | int timeout; |
3874 | ||
3875 | if (!vm_running) | |
3876 | timeout = 5000; | |
3877 | else if (tcg_has_work()) | |
3878 | timeout = 0; | |
3879 | else if (!use_icount) | |
3880 | timeout = 5000; | |
3881 | else { | |
3882 | /* XXX: use timeout computed from timers */ | |
3883 | int64_t add; | |
3884 | int64_t delta; | |
3885 | /* Advance virtual time to the next event. */ | |
3886 | if (use_icount == 1) { | |
3887 | /* When not using an adaptive execution frequency | |
3888 | we tend to get badly out of sync with real time, | |
3889 | so just delay for a reasonable amount of time. */ | |
3890 | delta = 0; | |
3891 | } else { | |
3892 | delta = cpu_get_icount() - cpu_get_clock(); | |
3893 | } | |
3894 | if (delta > 0) { | |
3895 | /* If virtual time is ahead of real time then just | |
3896 | wait for IO. */ | |
3897 | timeout = (delta / 1000000) + 1; | |
3898 | } else { | |
3899 | /* Wait for either IO to occur or the next | |
3900 | timer event. */ | |
3901 | add = qemu_next_deadline(); | |
3902 | /* We advance the timer before checking for IO. | |
3903 | Limit the amount we advance so that early IO | |
3904 | activity won't get the guest too far ahead. */ | |
3905 | if (add > 10000000) | |
3906 | add = 10000000; | |
3907 | delta += add; | |
3908 | add = (add + (1 << icount_time_shift) - 1) | |
3909 | >> icount_time_shift; | |
3910 | qemu_icount += add; | |
3911 | timeout = delta / 1000000; | |
3912 | if (timeout < 0) | |
3913 | timeout = 0; | |
3914 | } | |
3915 | } | |
3916 | ||
3917 | return timeout; | |
b319820d LC |
3918 | #else /* CONFIG_IOTHREAD */ |
3919 | return 1000; | |
3920 | #endif | |
43b96858 AL |
3921 | } |
3922 | ||
3923 | static int vm_can_run(void) | |
3924 | { | |
3925 | if (powerdown_requested) | |
3926 | return 0; | |
3927 | if (reset_requested) | |
3928 | return 0; | |
3929 | if (shutdown_requested) | |
3930 | return 0; | |
e568902a AL |
3931 | if (debug_requested) |
3932 | return 0; | |
43b96858 AL |
3933 | return 1; |
3934 | } | |
3935 | ||
d9c32310 BS |
3936 | qemu_irq qemu_system_powerdown; |
3937 | ||
43b96858 AL |
3938 | static void main_loop(void) |
3939 | { | |
6e29f5da | 3940 | int r; |
e6e35b1e | 3941 | |
d6dc3d42 AL |
3942 | #ifdef CONFIG_IOTHREAD |
3943 | qemu_system_ready = 1; | |
3944 | qemu_cond_broadcast(&qemu_system_cond); | |
3945 | #endif | |
3946 | ||
6e29f5da | 3947 | for (;;) { |
43b96858 | 3948 | do { |
e6e35b1e AL |
3949 | #ifdef CONFIG_PROFILER |
3950 | int64_t ti; | |
3951 | #endif | |
d6dc3d42 | 3952 | #ifndef CONFIG_IOTHREAD |
e6e35b1e | 3953 | tcg_cpu_exec(); |
d6dc3d42 | 3954 | #endif |
89bfc105 | 3955 | #ifdef CONFIG_PROFILER |
43b96858 | 3956 | ti = profile_getclock(); |
89bfc105 | 3957 | #endif |
43b96858 | 3958 | main_loop_wait(qemu_calculate_timeout()); |
89bfc105 | 3959 | #ifdef CONFIG_PROFILER |
43b96858 | 3960 | dev_time += profile_getclock() - ti; |
89bfc105 | 3961 | #endif |
e568902a | 3962 | } while (vm_can_run()); |
43b96858 | 3963 | |
b1a15e7e | 3964 | if (qemu_debug_requested()) { |
242cd003 | 3965 | monitor_protocol_event(QEVENT_DEBUG, NULL); |
e568902a | 3966 | vm_stop(EXCP_DEBUG); |
b1a15e7e | 3967 | } |
43b96858 | 3968 | if (qemu_shutdown_requested()) { |
242cd003 | 3969 | monitor_protocol_event(QEVENT_SHUTDOWN, NULL); |
43b96858 AL |
3970 | if (no_shutdown) { |
3971 | vm_stop(0); | |
3972 | no_shutdown = 0; | |
3973 | } else | |
3974 | break; | |
3975 | } | |
d6dc3d42 | 3976 | if (qemu_reset_requested()) { |
242cd003 | 3977 | monitor_protocol_event(QEVENT_RESET, NULL); |
d6dc3d42 | 3978 | pause_all_vcpus(); |
43b96858 | 3979 | qemu_system_reset(); |
d6dc3d42 AL |
3980 | resume_all_vcpus(); |
3981 | } | |
d9c32310 | 3982 | if (qemu_powerdown_requested()) { |
242cd003 | 3983 | monitor_protocol_event(QEVENT_POWERDOWN, NULL); |
d9c32310 BS |
3984 | qemu_irq_raise(qemu_system_powerdown); |
3985 | } | |
b1a15e7e | 3986 | if ((r = qemu_vmstop_requested())) { |
242cd003 | 3987 | monitor_protocol_event(QEVENT_STOP, NULL); |
6e29f5da | 3988 | vm_stop(r); |
b1a15e7e | 3989 | } |
b4608c04 | 3990 | } |
d6dc3d42 | 3991 | pause_all_vcpus(); |
b4608c04 FB |
3992 | } |
3993 | ||
9bd7e6d9 PB |
3994 | static void version(void) |
3995 | { | |
4a19f1ec | 3996 | printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); |
9bd7e6d9 PB |
3997 | } |
3998 | ||
15f82208 | 3999 | static void help(int exitcode) |
0824d6fc | 4000 | { |
9bd7e6d9 PB |
4001 | version(); |
4002 | printf("usage: %s [options] [disk_image]\n" | |
0824d6fc | 4003 | "\n" |
a20dd508 | 4004 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 4005 | "\n" |
5824d651 BS |
4006 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4007 | opt_help | |
4008 | #define DEFHEADING(text) stringify(text) "\n" | |
4009 | #include "qemu-options.h" | |
4010 | #undef DEF | |
4011 | #undef DEFHEADING | |
4012 | #undef GEN_DOCS | |
0824d6fc | 4013 | "\n" |
82c643ff | 4014 | "During emulation, the following keys are useful:\n" |
032a8c9e FB |
4015 | "ctrl-alt-f toggle full screen\n" |
4016 | "ctrl-alt-n switch to virtual console 'n'\n" | |
4017 | "ctrl-alt toggle mouse and keyboard grab\n" | |
82c643ff FB |
4018 | "\n" |
4019 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
4020 | , | |
0db63474 | 4021 | "qemu", |
a00bad7e | 4022 | DEFAULT_RAM_SIZE, |
7c9d8e07 | 4023 | #ifndef _WIN32 |
a00bad7e | 4024 | DEFAULT_NETWORK_SCRIPT, |
b46a8906 | 4025 | DEFAULT_NETWORK_DOWN_SCRIPT, |
7c9d8e07 | 4026 | #endif |
6e44ba7f | 4027 | DEFAULT_GDBSTUB_PORT, |
bce61846 | 4028 | "/tmp/qemu.log"); |
15f82208 | 4029 | exit(exitcode); |
0824d6fc FB |
4030 | } |
4031 | ||
cd6f1169 FB |
4032 | #define HAS_ARG 0x0001 |
4033 | ||
4034 | enum { | |
5824d651 BS |
4035 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4036 | opt_enum, | |
4037 | #define DEFHEADING(text) | |
4038 | #include "qemu-options.h" | |
4039 | #undef DEF | |
4040 | #undef DEFHEADING | |
4041 | #undef GEN_DOCS | |
cd6f1169 FB |
4042 | }; |
4043 | ||
4044 | typedef struct QEMUOption { | |
4045 | const char *name; | |
4046 | int flags; | |
4047 | int index; | |
4048 | } QEMUOption; | |
4049 | ||
dbed7e40 | 4050 | static const QEMUOption qemu_options[] = { |
cd6f1169 | 4051 | { "h", 0, QEMU_OPTION_h }, |
5824d651 BS |
4052 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4053 | { option, opt_arg, opt_enum }, | |
4054 | #define DEFHEADING(text) | |
4055 | #include "qemu-options.h" | |
4056 | #undef DEF | |
4057 | #undef DEFHEADING | |
4058 | #undef GEN_DOCS | |
cd6f1169 | 4059 | { NULL }, |
fc01f7e7 FB |
4060 | }; |
4061 | ||
1d14ffa9 | 4062 | #ifdef HAS_AUDIO |
6a36d84e | 4063 | struct soundhw soundhw[] = { |
b00052e4 | 4064 | #ifdef HAS_AUDIO_CHOICE |
4ce7ff6e | 4065 | #if defined(TARGET_I386) || defined(TARGET_MIPS) |
fd06c375 FB |
4066 | { |
4067 | "pcspk", | |
4068 | "PC speaker", | |
4069 | 0, | |
4070 | 1, | |
4071 | { .init_isa = pcspk_audio_init } | |
4072 | }, | |
4073 | #endif | |
4c9b53e3 | 4074 | |
4075 | #ifdef CONFIG_SB16 | |
6a36d84e FB |
4076 | { |
4077 | "sb16", | |
4078 | "Creative Sound Blaster 16", | |
4079 | 0, | |
4080 | 1, | |
4081 | { .init_isa = SB16_init } | |
4082 | }, | |
4c9b53e3 | 4083 | #endif |
6a36d84e | 4084 | |
cc53d26d | 4085 | #ifdef CONFIG_CS4231A |
4086 | { | |
4087 | "cs4231a", | |
4088 | "CS4231A", | |
4089 | 0, | |
4090 | 1, | |
4091 | { .init_isa = cs4231a_init } | |
4092 | }, | |
4093 | #endif | |
4094 | ||
1d14ffa9 | 4095 | #ifdef CONFIG_ADLIB |
6a36d84e FB |
4096 | { |
4097 | "adlib", | |
1d14ffa9 | 4098 | #ifdef HAS_YMF262 |
6a36d84e | 4099 | "Yamaha YMF262 (OPL3)", |
1d14ffa9 | 4100 | #else |
6a36d84e | 4101 | "Yamaha YM3812 (OPL2)", |
1d14ffa9 | 4102 | #endif |
6a36d84e FB |
4103 | 0, |
4104 | 1, | |
4105 | { .init_isa = Adlib_init } | |
4106 | }, | |
1d14ffa9 | 4107 | #endif |
6a36d84e | 4108 | |
1d14ffa9 | 4109 | #ifdef CONFIG_GUS |
6a36d84e FB |
4110 | { |
4111 | "gus", | |
4112 | "Gravis Ultrasound GF1", | |
4113 | 0, | |
4114 | 1, | |
4115 | { .init_isa = GUS_init } | |
4116 | }, | |
1d14ffa9 | 4117 | #endif |
6a36d84e | 4118 | |
4c9b53e3 | 4119 | #ifdef CONFIG_AC97 |
e5c9a13e AZ |
4120 | { |
4121 | "ac97", | |
4122 | "Intel 82801AA AC97 Audio", | |
4123 | 0, | |
4124 | 0, | |
4125 | { .init_pci = ac97_init } | |
4126 | }, | |
4c9b53e3 | 4127 | #endif |
e5c9a13e | 4128 | |
4c9b53e3 | 4129 | #ifdef CONFIG_ES1370 |
6a36d84e FB |
4130 | { |
4131 | "es1370", | |
4132 | "ENSONIQ AudioPCI ES1370", | |
4133 | 0, | |
4134 | 0, | |
4135 | { .init_pci = es1370_init } | |
4136 | }, | |
b00052e4 | 4137 | #endif |
6a36d84e | 4138 | |
4c9b53e3 | 4139 | #endif /* HAS_AUDIO_CHOICE */ |
4140 | ||
6a36d84e FB |
4141 | { NULL, NULL, 0, 0, { NULL } } |
4142 | }; | |
4143 | ||
4144 | static void select_soundhw (const char *optarg) | |
4145 | { | |
4146 | struct soundhw *c; | |
4147 | ||
4148 | if (*optarg == '?') { | |
4149 | show_valid_cards: | |
4150 | ||
4151 | printf ("Valid sound card names (comma separated):\n"); | |
4152 | for (c = soundhw; c->name; ++c) { | |
4153 | printf ("%-11s %s\n", c->name, c->descr); | |
4154 | } | |
4155 | printf ("\n-soundhw all will enable all of the above\n"); | |
1d14ffa9 FB |
4156 | exit (*optarg != '?'); |
4157 | } | |
4158 | else { | |
6a36d84e | 4159 | size_t l; |
1d14ffa9 FB |
4160 | const char *p; |
4161 | char *e; | |
4162 | int bad_card = 0; | |
4163 | ||
6a36d84e FB |
4164 | if (!strcmp (optarg, "all")) { |
4165 | for (c = soundhw; c->name; ++c) { | |
4166 | c->enabled = 1; | |
4167 | } | |
4168 | return; | |
4169 | } | |
1d14ffa9 | 4170 | |
6a36d84e | 4171 | p = optarg; |
1d14ffa9 FB |
4172 | while (*p) { |
4173 | e = strchr (p, ','); | |
4174 | l = !e ? strlen (p) : (size_t) (e - p); | |
6a36d84e FB |
4175 | |
4176 | for (c = soundhw; c->name; ++c) { | |
b3d6fb4a | 4177 | if (!strncmp (c->name, p, l) && !c->name[l]) { |
6a36d84e | 4178 | c->enabled = 1; |
1d14ffa9 FB |
4179 | break; |
4180 | } | |
4181 | } | |
6a36d84e FB |
4182 | |
4183 | if (!c->name) { | |
1d14ffa9 FB |
4184 | if (l > 80) { |
4185 | fprintf (stderr, | |
4186 | "Unknown sound card name (too big to show)\n"); | |
4187 | } | |
4188 | else { | |
4189 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
4190 | (int) l, p); | |
4191 | } | |
4192 | bad_card = 1; | |
4193 | } | |
4194 | p += l + (e != NULL); | |
4195 | } | |
4196 | ||
4197 | if (bad_card) | |
4198 | goto show_valid_cards; | |
4199 | } | |
4200 | } | |
4201 | #endif | |
4202 | ||
3893c124 | 4203 | static void select_vgahw (const char *p) |
4204 | { | |
4205 | const char *opts; | |
4206 | ||
64465297 | 4207 | default_vga = 0; |
86176759 | 4208 | vga_interface_type = VGA_NONE; |
3893c124 | 4209 | if (strstart(p, "std", &opts)) { |
86176759 | 4210 | vga_interface_type = VGA_STD; |
3893c124 | 4211 | } else if (strstart(p, "cirrus", &opts)) { |
86176759 | 4212 | vga_interface_type = VGA_CIRRUS; |
3893c124 | 4213 | } else if (strstart(p, "vmware", &opts)) { |
86176759 | 4214 | vga_interface_type = VGA_VMWARE; |
94909d9f | 4215 | } else if (strstart(p, "xenfb", &opts)) { |
86176759 | 4216 | vga_interface_type = VGA_XENFB; |
28b85ed8 | 4217 | } else if (!strstart(p, "none", &opts)) { |
3893c124 | 4218 | invalid_vga: |
4219 | fprintf(stderr, "Unknown vga type: %s\n", p); | |
4220 | exit(1); | |
4221 | } | |
cb5a7aa8 | 4222 | while (*opts) { |
4223 | const char *nextopt; | |
4224 | ||
4225 | if (strstart(opts, ",retrace=", &nextopt)) { | |
4226 | opts = nextopt; | |
4227 | if (strstart(opts, "dumb", &nextopt)) | |
4228 | vga_retrace_method = VGA_RETRACE_DUMB; | |
4229 | else if (strstart(opts, "precise", &nextopt)) | |
4230 | vga_retrace_method = VGA_RETRACE_PRECISE; | |
4231 | else goto invalid_vga; | |
4232 | } else goto invalid_vga; | |
4233 | opts = nextopt; | |
4234 | } | |
3893c124 | 4235 | } |
4236 | ||
7d4c3d53 MA |
4237 | #ifdef TARGET_I386 |
4238 | static int balloon_parse(const char *arg) | |
4239 | { | |
382f0743 | 4240 | QemuOpts *opts; |
7d4c3d53 | 4241 | |
382f0743 GH |
4242 | if (strcmp(arg, "none") == 0) { |
4243 | return 0; | |
4244 | } | |
4245 | ||
4246 | if (!strncmp(arg, "virtio", 6)) { | |
4247 | if (arg[6] == ',') { | |
4248 | /* have params -> parse them */ | |
4249 | opts = qemu_opts_parse(&qemu_device_opts, arg+7, NULL); | |
4250 | if (!opts) | |
4251 | return -1; | |
4252 | } else { | |
4253 | /* create empty opts */ | |
4254 | opts = qemu_opts_create(&qemu_device_opts, NULL, 0); | |
7d4c3d53 | 4255 | } |
382f0743 GH |
4256 | qemu_opt_set(opts, "driver", "virtio-balloon-pci"); |
4257 | return 0; | |
7d4c3d53 | 4258 | } |
382f0743 GH |
4259 | |
4260 | return -1; | |
7d4c3d53 MA |
4261 | } |
4262 | #endif | |
4263 | ||
3587d7e6 FB |
4264 | #ifdef _WIN32 |
4265 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
4266 | { | |
4267 | exit(STATUS_CONTROL_C_EXIT); | |
4268 | return TRUE; | |
4269 | } | |
4270 | #endif | |
4271 | ||
c4be29ff | 4272 | int qemu_uuid_parse(const char *str, uint8_t *uuid) |
8fcb1b90 BS |
4273 | { |
4274 | int ret; | |
4275 | ||
4276 | if(strlen(str) != 36) | |
4277 | return -1; | |
4278 | ||
4279 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
4280 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
4281 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); | |
4282 | ||
4283 | if(ret != 16) | |
4284 | return -1; | |
4285 | ||
b6f6e3d3 AL |
4286 | #ifdef TARGET_I386 |
4287 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); | |
4288 | #endif | |
4289 | ||
8fcb1b90 BS |
4290 | return 0; |
4291 | } | |
4292 | ||
5b08fc10 AL |
4293 | #ifndef _WIN32 |
4294 | ||
4295 | static void termsig_handler(int signal) | |
4296 | { | |
4297 | qemu_system_shutdown_request(); | |
4298 | } | |
4299 | ||
7c3370d4 JK |
4300 | static void sigchld_handler(int signal) |
4301 | { | |
4302 | waitpid(-1, NULL, WNOHANG); | |
4303 | } | |
4304 | ||
4305 | static void sighandler_setup(void) | |
5b08fc10 AL |
4306 | { |
4307 | struct sigaction act; | |
4308 | ||
4309 | memset(&act, 0, sizeof(act)); | |
4310 | act.sa_handler = termsig_handler; | |
4311 | sigaction(SIGINT, &act, NULL); | |
4312 | sigaction(SIGHUP, &act, NULL); | |
4313 | sigaction(SIGTERM, &act, NULL); | |
7c3370d4 JK |
4314 | |
4315 | act.sa_handler = sigchld_handler; | |
4316 | act.sa_flags = SA_NOCLDSTOP; | |
4317 | sigaction(SIGCHLD, &act, NULL); | |
5b08fc10 AL |
4318 | } |
4319 | ||
4320 | #endif | |
4321 | ||
5cea8590 PB |
4322 | #ifdef _WIN32 |
4323 | /* Look for support files in the same directory as the executable. */ | |
4324 | static char *find_datadir(const char *argv0) | |
4325 | { | |
4326 | char *p; | |
4327 | char buf[MAX_PATH]; | |
4328 | DWORD len; | |
4329 | ||
4330 | len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); | |
4331 | if (len == 0) { | |
c5947808 | 4332 | return NULL; |
5cea8590 PB |
4333 | } |
4334 | ||
4335 | buf[len] = 0; | |
4336 | p = buf + len - 1; | |
4337 | while (p != buf && *p != '\\') | |
4338 | p--; | |
4339 | *p = 0; | |
4340 | if (access(buf, R_OK) == 0) { | |
4341 | return qemu_strdup(buf); | |
4342 | } | |
4343 | return NULL; | |
4344 | } | |
4345 | #else /* !_WIN32 */ | |
4346 | ||
4347 | /* Find a likely location for support files using the location of the binary. | |
4348 | For installed binaries this will be "$bindir/../share/qemu". When | |
4349 | running from the build tree this will be "$bindir/../pc-bios". */ | |
4350 | #define SHARE_SUFFIX "/share/qemu" | |
4351 | #define BUILD_SUFFIX "/pc-bios" | |
4352 | static char *find_datadir(const char *argv0) | |
4353 | { | |
4354 | char *dir; | |
4355 | char *p = NULL; | |
4356 | char *res; | |
5cea8590 | 4357 | char buf[PATH_MAX]; |
3a41759d | 4358 | size_t max_len; |
5cea8590 PB |
4359 | |
4360 | #if defined(__linux__) | |
4361 | { | |
4362 | int len; | |
4363 | len = readlink("/proc/self/exe", buf, sizeof(buf) - 1); | |
4364 | if (len > 0) { | |
4365 | buf[len] = 0; | |
4366 | p = buf; | |
4367 | } | |
4368 | } | |
4369 | #elif defined(__FreeBSD__) | |
4370 | { | |
4371 | int len; | |
4372 | len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1); | |
4373 | if (len > 0) { | |
4374 | buf[len] = 0; | |
4375 | p = buf; | |
4376 | } | |
4377 | } | |
4378 | #endif | |
4379 | /* If we don't have any way of figuring out the actual executable | |
4380 | location then try argv[0]. */ | |
4381 | if (!p) { | |
4d224196 | 4382 | p = realpath(argv0, buf); |
5cea8590 PB |
4383 | if (!p) { |
4384 | return NULL; | |
4385 | } | |
4386 | } | |
4387 | dir = dirname(p); | |
4388 | dir = dirname(dir); | |
4389 | ||
3a41759d BS |
4390 | max_len = strlen(dir) + |
4391 | MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1; | |
4392 | res = qemu_mallocz(max_len); | |
4393 | snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX); | |
5cea8590 | 4394 | if (access(res, R_OK)) { |
3a41759d | 4395 | snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX); |
5cea8590 PB |
4396 | if (access(res, R_OK)) { |
4397 | qemu_free(res); | |
4398 | res = NULL; | |
4399 | } | |
4400 | } | |
4d224196 | 4401 | |
5cea8590 PB |
4402 | return res; |
4403 | } | |
4404 | #undef SHARE_SUFFIX | |
4405 | #undef BUILD_SUFFIX | |
4406 | #endif | |
4407 | ||
4408 | char *qemu_find_file(int type, const char *name) | |
4409 | { | |
4410 | int len; | |
4411 | const char *subdir; | |
4412 | char *buf; | |
4413 | ||
4414 | /* If name contains path separators then try it as a straight path. */ | |
4415 | if ((strchr(name, '/') || strchr(name, '\\')) | |
4416 | && access(name, R_OK) == 0) { | |
73ffc805 | 4417 | return qemu_strdup(name); |
5cea8590 PB |
4418 | } |
4419 | switch (type) { | |
4420 | case QEMU_FILE_TYPE_BIOS: | |
4421 | subdir = ""; | |
4422 | break; | |
4423 | case QEMU_FILE_TYPE_KEYMAP: | |
4424 | subdir = "keymaps/"; | |
4425 | break; | |
4426 | default: | |
4427 | abort(); | |
4428 | } | |
4429 | len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2; | |
4430 | buf = qemu_mallocz(len); | |
3a41759d | 4431 | snprintf(buf, len, "%s/%s%s", data_dir, subdir, name); |
5cea8590 PB |
4432 | if (access(buf, R_OK)) { |
4433 | qemu_free(buf); | |
4434 | return NULL; | |
4435 | } | |
4436 | return buf; | |
4437 | } | |
4438 | ||
f31d07d1 GH |
4439 | static int device_init_func(QemuOpts *opts, void *opaque) |
4440 | { | |
4441 | DeviceState *dev; | |
4442 | ||
4443 | dev = qdev_device_add(opts); | |
4444 | if (!dev) | |
4445 | return -1; | |
4446 | return 0; | |
4447 | } | |
4448 | ||
1a688d3b GH |
4449 | static int chardev_init_func(QemuOpts *opts, void *opaque) |
4450 | { | |
4451 | CharDriverState *chr; | |
4452 | ||
4453 | chr = qemu_chr_open_opts(opts, NULL); | |
4454 | if (!chr) | |
4455 | return -1; | |
4456 | return 0; | |
4457 | } | |
4458 | ||
88589343 GH |
4459 | static int mon_init_func(QemuOpts *opts, void *opaque) |
4460 | { | |
4461 | CharDriverState *chr; | |
4462 | const char *chardev; | |
4463 | const char *mode; | |
4464 | int flags; | |
4465 | ||
4466 | mode = qemu_opt_get(opts, "mode"); | |
4467 | if (mode == NULL) { | |
4468 | mode = "readline"; | |
4469 | } | |
4470 | if (strcmp(mode, "readline") == 0) { | |
4471 | flags = MONITOR_USE_READLINE; | |
4472 | } else if (strcmp(mode, "control") == 0) { | |
4473 | flags = MONITOR_USE_CONTROL; | |
4474 | } else { | |
4475 | fprintf(stderr, "unknown monitor mode \"%s\"\n", mode); | |
4476 | exit(1); | |
4477 | } | |
4478 | ||
4479 | if (qemu_opt_get_bool(opts, "default", 0)) | |
4480 | flags |= MONITOR_IS_DEFAULT; | |
4481 | ||
4482 | chardev = qemu_opt_get(opts, "chardev"); | |
4483 | chr = qemu_chr_find(chardev); | |
4484 | if (chr == NULL) { | |
4485 | fprintf(stderr, "chardev \"%s\" not found\n", chardev); | |
4486 | exit(1); | |
4487 | } | |
4488 | ||
4489 | monitor_init(chr, flags); | |
4490 | return 0; | |
4491 | } | |
4492 | ||
6ca5582d | 4493 | static void monitor_parse(const char *optarg, const char *mode) |
88589343 GH |
4494 | { |
4495 | static int monitor_device_index = 0; | |
4496 | QemuOpts *opts; | |
4497 | const char *p; | |
4498 | char label[32]; | |
4499 | int def = 0; | |
4500 | ||
4501 | if (strstart(optarg, "chardev:", &p)) { | |
4502 | snprintf(label, sizeof(label), "%s", p); | |
4503 | } else { | |
4504 | if (monitor_device_index) { | |
4505 | snprintf(label, sizeof(label), "monitor%d", | |
4506 | monitor_device_index); | |
4507 | } else { | |
4508 | snprintf(label, sizeof(label), "monitor"); | |
4509 | def = 1; | |
4510 | } | |
4511 | opts = qemu_chr_parse_compat(label, optarg); | |
4512 | if (!opts) { | |
4513 | fprintf(stderr, "parse error: %s\n", optarg); | |
4514 | exit(1); | |
4515 | } | |
4516 | } | |
4517 | ||
4518 | opts = qemu_opts_create(&qemu_mon_opts, label, 1); | |
4519 | if (!opts) { | |
4520 | fprintf(stderr, "duplicate chardev: %s\n", label); | |
4521 | exit(1); | |
4522 | } | |
6ca5582d | 4523 | qemu_opt_set(opts, "mode", mode); |
88589343 GH |
4524 | qemu_opt_set(opts, "chardev", label); |
4525 | if (def) | |
4526 | qemu_opt_set(opts, "default", "on"); | |
4527 | monitor_device_index++; | |
4528 | } | |
4529 | ||
bd3c948d GH |
4530 | struct device_config { |
4531 | enum { | |
aee1b935 GH |
4532 | DEV_USB, /* -usbdevice */ |
4533 | DEV_BT, /* -bt */ | |
4534 | DEV_SERIAL, /* -serial */ | |
4535 | DEV_PARALLEL, /* -parallel */ | |
4536 | DEV_VIRTCON, /* -virtioconsole */ | |
c9f398e5 | 4537 | DEV_DEBUGCON, /* -debugcon */ |
bd3c948d GH |
4538 | } type; |
4539 | const char *cmdline; | |
72cf2d4f | 4540 | QTAILQ_ENTRY(device_config) next; |
bd3c948d | 4541 | }; |
72cf2d4f | 4542 | QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs); |
bd3c948d GH |
4543 | |
4544 | static void add_device_config(int type, const char *cmdline) | |
4545 | { | |
4546 | struct device_config *conf; | |
4547 | ||
4548 | conf = qemu_mallocz(sizeof(*conf)); | |
4549 | conf->type = type; | |
4550 | conf->cmdline = cmdline; | |
72cf2d4f | 4551 | QTAILQ_INSERT_TAIL(&device_configs, conf, next); |
bd3c948d GH |
4552 | } |
4553 | ||
4554 | static int foreach_device_config(int type, int (*func)(const char *cmdline)) | |
4555 | { | |
4556 | struct device_config *conf; | |
4557 | int rc; | |
4558 | ||
72cf2d4f | 4559 | QTAILQ_FOREACH(conf, &device_configs, next) { |
bd3c948d GH |
4560 | if (conf->type != type) |
4561 | continue; | |
4562 | rc = func(conf->cmdline); | |
4563 | if (0 != rc) | |
4564 | return rc; | |
4565 | } | |
4566 | return 0; | |
4567 | } | |
4568 | ||
998bbd74 GH |
4569 | static int serial_parse(const char *devname) |
4570 | { | |
4571 | static int index = 0; | |
4572 | char label[32]; | |
4573 | ||
4574 | if (strcmp(devname, "none") == 0) | |
4575 | return 0; | |
4576 | if (index == MAX_SERIAL_PORTS) { | |
4577 | fprintf(stderr, "qemu: too many serial ports\n"); | |
4578 | exit(1); | |
4579 | } | |
4580 | snprintf(label, sizeof(label), "serial%d", index); | |
4581 | serial_hds[index] = qemu_chr_open(label, devname, NULL); | |
4582 | if (!serial_hds[index]) { | |
4583 | fprintf(stderr, "qemu: could not open serial device '%s': %s\n", | |
4584 | devname, strerror(errno)); | |
4585 | return -1; | |
4586 | } | |
4587 | index++; | |
4588 | return 0; | |
4589 | } | |
4590 | ||
6a5e8b0e GH |
4591 | static int parallel_parse(const char *devname) |
4592 | { | |
4593 | static int index = 0; | |
4594 | char label[32]; | |
4595 | ||
4596 | if (strcmp(devname, "none") == 0) | |
4597 | return 0; | |
4598 | if (index == MAX_PARALLEL_PORTS) { | |
4599 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
4600 | exit(1); | |
4601 | } | |
4602 | snprintf(label, sizeof(label), "parallel%d", index); | |
4603 | parallel_hds[index] = qemu_chr_open(label, devname, NULL); | |
4604 | if (!parallel_hds[index]) { | |
4605 | fprintf(stderr, "qemu: could not open parallel device '%s': %s\n", | |
4606 | devname, strerror(errno)); | |
4607 | return -1; | |
4608 | } | |
4609 | index++; | |
4610 | return 0; | |
4611 | } | |
4612 | ||
aee1b935 GH |
4613 | static int virtcon_parse(const char *devname) |
4614 | { | |
4615 | static int index = 0; | |
4616 | char label[32]; | |
4617 | ||
4618 | if (strcmp(devname, "none") == 0) | |
4619 | return 0; | |
4620 | if (index == MAX_VIRTIO_CONSOLES) { | |
4621 | fprintf(stderr, "qemu: too many virtio consoles\n"); | |
4622 | exit(1); | |
4623 | } | |
4624 | snprintf(label, sizeof(label), "virtcon%d", index); | |
4625 | virtcon_hds[index] = qemu_chr_open(label, devname, NULL); | |
4626 | if (!virtcon_hds[index]) { | |
4627 | fprintf(stderr, "qemu: could not open virtio console '%s': %s\n", | |
4628 | devname, strerror(errno)); | |
4629 | return -1; | |
4630 | } | |
4631 | index++; | |
4632 | return 0; | |
4633 | } | |
4634 | ||
c9f398e5 PA |
4635 | static int debugcon_parse(const char *devname) |
4636 | { | |
4637 | QemuOpts *opts; | |
4638 | ||
4639 | if (!qemu_chr_open("debugcon", devname, NULL)) { | |
4640 | exit(1); | |
4641 | } | |
4642 | opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1); | |
4643 | if (!opts) { | |
4644 | fprintf(stderr, "qemu: already have a debugcon device\n"); | |
4645 | exit(1); | |
4646 | } | |
4647 | qemu_opt_set(opts, "driver", "isa-debugcon"); | |
4648 | qemu_opt_set(opts, "chardev", "debugcon"); | |
4649 | return 0; | |
4650 | } | |
4651 | ||
902b3d5c | 4652 | int main(int argc, char **argv, char **envp) |
0824d6fc | 4653 | { |
59030a8c | 4654 | const char *gdbstub_dev = NULL; |
28c5af54 | 4655 | uint32_t boot_devices_bitmap = 0; |
e4bcb14c | 4656 | int i; |
28c5af54 | 4657 | int snapshot, linux_boot, net_boot; |
7f7f9873 | 4658 | const char *initrd_filename; |
a20dd508 | 4659 | const char *kernel_filename, *kernel_cmdline; |
195325a4 | 4660 | char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */ |
3023f332 | 4661 | DisplayState *ds; |
7d957bd8 | 4662 | DisplayChangeListener *dcl; |
46d4767d | 4663 | int cyls, heads, secs, translation; |
f31d07d1 | 4664 | QemuOpts *hda_opts = NULL, *opts; |
cd6f1169 FB |
4665 | int optind; |
4666 | const char *r, *optarg; | |
d63d307f | 4667 | const char *loadvm = NULL; |
cc1daa40 | 4668 | QEMUMachine *machine; |
94fc95cd | 4669 | const char *cpu_model; |
b9e82a59 | 4670 | #ifndef _WIN32 |
71e3ceb8 | 4671 | int fds[2]; |
b9e82a59 | 4672 | #endif |
26a5f13b | 4673 | int tb_size; |
93815bc2 | 4674 | const char *pid_file = NULL; |
5bb7910a | 4675 | const char *incoming = NULL; |
b9e82a59 | 4676 | #ifndef _WIN32 |
54042bcf AL |
4677 | int fd = 0; |
4678 | struct passwd *pwd = NULL; | |
0858532e AL |
4679 | const char *chroot_dir = NULL; |
4680 | const char *run_as = NULL; | |
b9e82a59 | 4681 | #endif |
268a362c | 4682 | CPUState *env; |
993fbfdb | 4683 | int show_vnc_port = 0; |
0bd48850 | 4684 | |
6875204c JK |
4685 | init_clocks(); |
4686 | ||
ac7531ec | 4687 | qemu_errors_to_file(stderr); |
902b3d5c | 4688 | qemu_cache_utils_init(envp); |
4689 | ||
72cf2d4f | 4690 | QLIST_INIT (&vm_change_state_head); |
be995c27 FB |
4691 | #ifndef _WIN32 |
4692 | { | |
4693 | struct sigaction act; | |
4694 | sigfillset(&act.sa_mask); | |
4695 | act.sa_flags = 0; | |
4696 | act.sa_handler = SIG_IGN; | |
4697 | sigaction(SIGPIPE, &act, NULL); | |
4698 | } | |
3587d7e6 FB |
4699 | #else |
4700 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
a8e5ac33 FB |
4701 | /* Note: cpu_interrupt() is currently not SMP safe, so we force |
4702 | QEMU to run on a single CPU */ | |
4703 | { | |
4704 | HANDLE h; | |
4705 | DWORD mask, smask; | |
4706 | int i; | |
4707 | h = GetCurrentProcess(); | |
4708 | if (GetProcessAffinityMask(h, &mask, &smask)) { | |
4709 | for(i = 0; i < 32; i++) { | |
4710 | if (mask & (1 << i)) | |
4711 | break; | |
4712 | } | |
4713 | if (i != 32) { | |
4714 | mask = 1 << i; | |
4715 | SetProcessAffinityMask(h, mask); | |
4716 | } | |
4717 | } | |
4718 | } | |
67b915a5 | 4719 | #endif |
be995c27 | 4720 | |
f80f9ec9 | 4721 | module_call_init(MODULE_INIT_MACHINE); |
0c257437 | 4722 | machine = find_default_machine(); |
94fc95cd | 4723 | cpu_model = NULL; |
fc01f7e7 | 4724 | initrd_filename = NULL; |
4fc5d071 | 4725 | ram_size = 0; |
33e3963e | 4726 | snapshot = 0; |
a20dd508 FB |
4727 | kernel_filename = NULL; |
4728 | kernel_cmdline = ""; | |
c4b1fcc0 | 4729 | cyls = heads = secs = 0; |
46d4767d | 4730 | translation = BIOS_ATA_TRANSLATION_AUTO; |
c4b1fcc0 | 4731 | |
268a362c AL |
4732 | for (i = 0; i < MAX_NODES; i++) { |
4733 | node_mem[i] = 0; | |
4734 | node_cpumask[i] = 0; | |
4735 | } | |
4736 | ||
268a362c | 4737 | nb_numa_nodes = 0; |
7c9d8e07 | 4738 | nb_nics = 0; |
3b46e624 | 4739 | |
26a5f13b | 4740 | tb_size = 0; |
41bd639b BS |
4741 | autostart= 1; |
4742 | ||
cd6f1169 | 4743 | optind = 1; |
0824d6fc | 4744 | for(;;) { |
cd6f1169 | 4745 | if (optind >= argc) |
0824d6fc | 4746 | break; |
cd6f1169 FB |
4747 | r = argv[optind]; |
4748 | if (r[0] != '-') { | |
9dfd7c7a | 4749 | hda_opts = drive_add(argv[optind++], HD_ALIAS, 0); |
cd6f1169 FB |
4750 | } else { |
4751 | const QEMUOption *popt; | |
4752 | ||
4753 | optind++; | |
dff5efc8 PB |
4754 | /* Treat --foo the same as -foo. */ |
4755 | if (r[1] == '-') | |
4756 | r++; | |
cd6f1169 FB |
4757 | popt = qemu_options; |
4758 | for(;;) { | |
4759 | if (!popt->name) { | |
5fafdf24 | 4760 | fprintf(stderr, "%s: invalid option -- '%s'\n", |
cd6f1169 FB |
4761 | argv[0], r); |
4762 | exit(1); | |
4763 | } | |
4764 | if (!strcmp(popt->name, r + 1)) | |
4765 | break; | |
4766 | popt++; | |
4767 | } | |
4768 | if (popt->flags & HAS_ARG) { | |
4769 | if (optind >= argc) { | |
4770 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
4771 | argv[0], r); | |
4772 | exit(1); | |
4773 | } | |
4774 | optarg = argv[optind++]; | |
4775 | } else { | |
4776 | optarg = NULL; | |
4777 | } | |
4778 | ||
4779 | switch(popt->index) { | |
cc1daa40 FB |
4780 | case QEMU_OPTION_M: |
4781 | machine = find_machine(optarg); | |
4782 | if (!machine) { | |
4783 | QEMUMachine *m; | |
4784 | printf("Supported machines are:\n"); | |
4785 | for(m = first_machine; m != NULL; m = m->next) { | |
3f6599e6 MM |
4786 | if (m->alias) |
4787 | printf("%-10s %s (alias of %s)\n", | |
4788 | m->alias, m->desc, m->name); | |
cc1daa40 | 4789 | printf("%-10s %s%s\n", |
5fafdf24 | 4790 | m->name, m->desc, |
0c257437 | 4791 | m->is_default ? " (default)" : ""); |
cc1daa40 | 4792 | } |
15f82208 | 4793 | exit(*optarg != '?'); |
cc1daa40 FB |
4794 | } |
4795 | break; | |
94fc95cd JM |
4796 | case QEMU_OPTION_cpu: |
4797 | /* hw initialization will check this */ | |
15f82208 | 4798 | if (*optarg == '?') { |
c732abe2 JM |
4799 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
4800 | #if defined(cpu_list) | |
4801 | cpu_list(stdout, &fprintf); | |
94fc95cd | 4802 | #endif |
15f82208 | 4803 | exit(0); |
94fc95cd JM |
4804 | } else { |
4805 | cpu_model = optarg; | |
4806 | } | |
4807 | break; | |
cd6f1169 | 4808 | case QEMU_OPTION_initrd: |
fc01f7e7 FB |
4809 | initrd_filename = optarg; |
4810 | break; | |
cd6f1169 | 4811 | case QEMU_OPTION_hda: |
e4bcb14c | 4812 | if (cyls == 0) |
9dfd7c7a | 4813 | hda_opts = drive_add(optarg, HD_ALIAS, 0); |
e4bcb14c | 4814 | else |
9dfd7c7a | 4815 | hda_opts = drive_add(optarg, HD_ALIAS |
e4bcb14c | 4816 | ",cyls=%d,heads=%d,secs=%d%s", |
609497ab | 4817 | 0, cyls, heads, secs, |
e4bcb14c TS |
4818 | translation == BIOS_ATA_TRANSLATION_LBA ? |
4819 | ",trans=lba" : | |
4820 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
4821 | ",trans=none" : ""); | |
4822 | break; | |
cd6f1169 | 4823 | case QEMU_OPTION_hdb: |
cc1daa40 FB |
4824 | case QEMU_OPTION_hdc: |
4825 | case QEMU_OPTION_hdd: | |
609497ab | 4826 | drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
fc01f7e7 | 4827 | break; |
e4bcb14c | 4828 | case QEMU_OPTION_drive: |
609497ab | 4829 | drive_add(NULL, "%s", optarg); |
e4bcb14c | 4830 | break; |
d058fe03 GH |
4831 | case QEMU_OPTION_set: |
4832 | if (qemu_set_option(optarg) != 0) | |
4833 | exit(1); | |
4834 | break; | |
d0fef6fb GH |
4835 | case QEMU_OPTION_global: |
4836 | if (qemu_global_option(optarg) != 0) | |
4837 | exit(1); | |
4838 | break; | |
3e3d5815 | 4839 | case QEMU_OPTION_mtdblock: |
609497ab | 4840 | drive_add(optarg, MTD_ALIAS); |
3e3d5815 | 4841 | break; |
a1bb27b1 | 4842 | case QEMU_OPTION_sd: |
609497ab | 4843 | drive_add(optarg, SD_ALIAS); |
a1bb27b1 | 4844 | break; |
86f55663 | 4845 | case QEMU_OPTION_pflash: |
609497ab | 4846 | drive_add(optarg, PFLASH_ALIAS); |
86f55663 | 4847 | break; |
cd6f1169 | 4848 | case QEMU_OPTION_snapshot: |
33e3963e FB |
4849 | snapshot = 1; |
4850 | break; | |
cd6f1169 | 4851 | case QEMU_OPTION_hdachs: |
330d0414 | 4852 | { |
330d0414 FB |
4853 | const char *p; |
4854 | p = optarg; | |
4855 | cyls = strtol(p, (char **)&p, 0); | |
46d4767d FB |
4856 | if (cyls < 1 || cyls > 16383) |
4857 | goto chs_fail; | |
330d0414 FB |
4858 | if (*p != ',') |
4859 | goto chs_fail; | |
4860 | p++; | |
4861 | heads = strtol(p, (char **)&p, 0); | |
46d4767d FB |
4862 | if (heads < 1 || heads > 16) |
4863 | goto chs_fail; | |
330d0414 FB |
4864 | if (*p != ',') |
4865 | goto chs_fail; | |
4866 | p++; | |
4867 | secs = strtol(p, (char **)&p, 0); | |
46d4767d FB |
4868 | if (secs < 1 || secs > 63) |
4869 | goto chs_fail; | |
4870 | if (*p == ',') { | |
4871 | p++; | |
4872 | if (!strcmp(p, "none")) | |
4873 | translation = BIOS_ATA_TRANSLATION_NONE; | |
4874 | else if (!strcmp(p, "lba")) | |
4875 | translation = BIOS_ATA_TRANSLATION_LBA; | |
4876 | else if (!strcmp(p, "auto")) | |
4877 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
4878 | else | |
4879 | goto chs_fail; | |
4880 | } else if (*p != '\0') { | |
c4b1fcc0 | 4881 | chs_fail: |
46d4767d FB |
4882 | fprintf(stderr, "qemu: invalid physical CHS format\n"); |
4883 | exit(1); | |
c4b1fcc0 | 4884 | } |
9dfd7c7a GH |
4885 | if (hda_opts != NULL) { |
4886 | char num[16]; | |
4887 | snprintf(num, sizeof(num), "%d", cyls); | |
4888 | qemu_opt_set(hda_opts, "cyls", num); | |
4889 | snprintf(num, sizeof(num), "%d", heads); | |
4890 | qemu_opt_set(hda_opts, "heads", num); | |
4891 | snprintf(num, sizeof(num), "%d", secs); | |
4892 | qemu_opt_set(hda_opts, "secs", num); | |
4893 | if (translation == BIOS_ATA_TRANSLATION_LBA) | |
4894 | qemu_opt_set(hda_opts, "trans", "lba"); | |
4895 | if (translation == BIOS_ATA_TRANSLATION_NONE) | |
4896 | qemu_opt_set(hda_opts, "trans", "none"); | |
4897 | } | |
330d0414 FB |
4898 | } |
4899 | break; | |
268a362c AL |
4900 | case QEMU_OPTION_numa: |
4901 | if (nb_numa_nodes >= MAX_NODES) { | |
4902 | fprintf(stderr, "qemu: too many NUMA nodes\n"); | |
4903 | exit(1); | |
4904 | } | |
4905 | numa_add(optarg); | |
4906 | break; | |
cd6f1169 | 4907 | case QEMU_OPTION_nographic: |
993fbfdb | 4908 | display_type = DT_NOGRAPHIC; |
a20dd508 | 4909 | break; |
4d3b6f6e AZ |
4910 | #ifdef CONFIG_CURSES |
4911 | case QEMU_OPTION_curses: | |
993fbfdb | 4912 | display_type = DT_CURSES; |
4d3b6f6e AZ |
4913 | break; |
4914 | #endif | |
a171fe39 AZ |
4915 | case QEMU_OPTION_portrait: |
4916 | graphic_rotate = 1; | |
4917 | break; | |
cd6f1169 | 4918 | case QEMU_OPTION_kernel: |
a20dd508 FB |
4919 | kernel_filename = optarg; |
4920 | break; | |
cd6f1169 | 4921 | case QEMU_OPTION_append: |
a20dd508 | 4922 | kernel_cmdline = optarg; |
313aa567 | 4923 | break; |
cd6f1169 | 4924 | case QEMU_OPTION_cdrom: |
609497ab | 4925 | drive_add(optarg, CDROM_ALIAS); |
36b486bb | 4926 | break; |
cd6f1169 | 4927 | case QEMU_OPTION_boot: |
28c5af54 | 4928 | { |
ef3adf68 | 4929 | static const char * const params[] = { |
95387491 | 4930 | "order", "once", "menu", NULL |
ef3adf68 JK |
4931 | }; |
4932 | char buf[sizeof(boot_devices)]; | |
e0f084bf | 4933 | char *standard_boot_devices; |
ef3adf68 JK |
4934 | int legacy = 0; |
4935 | ||
4936 | if (!strchr(optarg, '=')) { | |
4937 | legacy = 1; | |
4938 | pstrcpy(buf, sizeof(buf), optarg); | |
4939 | } else if (check_params(buf, sizeof(buf), params, optarg) < 0) { | |
4940 | fprintf(stderr, | |
4941 | "qemu: unknown boot parameter '%s' in '%s'\n", | |
4942 | buf, optarg); | |
4943 | exit(1); | |
4944 | } | |
4945 | ||
4946 | if (legacy || | |
4947 | get_param_value(buf, sizeof(buf), "order", optarg)) { | |
4948 | boot_devices_bitmap = parse_bootdevices(buf); | |
4949 | pstrcpy(boot_devices, sizeof(boot_devices), buf); | |
28c5af54 | 4950 | } |
e0f084bf JK |
4951 | if (!legacy) { |
4952 | if (get_param_value(buf, sizeof(buf), | |
4953 | "once", optarg)) { | |
4954 | boot_devices_bitmap |= parse_bootdevices(buf); | |
4955 | standard_boot_devices = qemu_strdup(boot_devices); | |
4956 | pstrcpy(boot_devices, sizeof(boot_devices), buf); | |
4957 | qemu_register_reset(restore_boot_devices, | |
4958 | standard_boot_devices); | |
4959 | } | |
95387491 JK |
4960 | if (get_param_value(buf, sizeof(buf), |
4961 | "menu", optarg)) { | |
4962 | if (!strcmp(buf, "on")) { | |
4963 | boot_menu = 1; | |
4964 | } else if (!strcmp(buf, "off")) { | |
4965 | boot_menu = 0; | |
4966 | } else { | |
4967 | fprintf(stderr, | |
4968 | "qemu: invalid option value '%s'\n", | |
4969 | buf); | |
4970 | exit(1); | |
4971 | } | |
4972 | } | |
e0f084bf | 4973 | } |
36b486bb FB |
4974 | } |
4975 | break; | |
cd6f1169 | 4976 | case QEMU_OPTION_fda: |
cd6f1169 | 4977 | case QEMU_OPTION_fdb: |
609497ab | 4978 | drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
c45886db | 4979 | break; |
52ca8d6a FB |
4980 | #ifdef TARGET_I386 |
4981 | case QEMU_OPTION_no_fd_bootchk: | |
4982 | fd_bootchk = 0; | |
4983 | break; | |
4984 | #endif | |
a1ea458f MM |
4985 | case QEMU_OPTION_netdev: |
4986 | if (net_client_parse(&qemu_netdev_opts, optarg) == -1) { | |
4987 | exit(1); | |
4988 | } | |
4989 | break; | |
7c9d8e07 | 4990 | case QEMU_OPTION_net: |
7f161aae | 4991 | if (net_client_parse(&qemu_net_opts, optarg) == -1) { |
c4b1fcc0 FB |
4992 | exit(1); |
4993 | } | |
702c651c | 4994 | break; |
c7f74643 FB |
4995 | #ifdef CONFIG_SLIRP |
4996 | case QEMU_OPTION_tftp: | |
ad196a9d | 4997 | legacy_tftp_prefix = optarg; |
9bf05444 | 4998 | break; |
47d5d01a | 4999 | case QEMU_OPTION_bootp: |
ad196a9d | 5000 | legacy_bootp_filename = optarg; |
47d5d01a | 5001 | break; |
c94c8d64 | 5002 | #ifndef _WIN32 |
9d728e8c | 5003 | case QEMU_OPTION_smb: |
0752706d MA |
5004 | if (net_slirp_smb(optarg) < 0) |
5005 | exit(1); | |
9d728e8c | 5006 | break; |
c94c8d64 | 5007 | #endif |
9bf05444 | 5008 | case QEMU_OPTION_redir: |
0752706d MA |
5009 | if (net_slirp_redir(optarg) < 0) |
5010 | exit(1); | |
9bf05444 | 5011 | break; |
c7f74643 | 5012 | #endif |
dc72ac14 | 5013 | case QEMU_OPTION_bt: |
bd3c948d | 5014 | add_device_config(DEV_BT, optarg); |
dc72ac14 | 5015 | break; |
1d14ffa9 | 5016 | #ifdef HAS_AUDIO |
1d14ffa9 FB |
5017 | case QEMU_OPTION_audio_help: |
5018 | AUD_help (); | |
5019 | exit (0); | |
5020 | break; | |
5021 | case QEMU_OPTION_soundhw: | |
5022 | select_soundhw (optarg); | |
5023 | break; | |
5024 | #endif | |
cd6f1169 | 5025 | case QEMU_OPTION_h: |
15f82208 | 5026 | help(0); |
cd6f1169 | 5027 | break; |
9bd7e6d9 PB |
5028 | case QEMU_OPTION_version: |
5029 | version(); | |
5030 | exit(0); | |
5031 | break; | |
00f82b8a AJ |
5032 | case QEMU_OPTION_m: { |
5033 | uint64_t value; | |
5034 | char *ptr; | |
5035 | ||
5036 | value = strtoul(optarg, &ptr, 10); | |
5037 | switch (*ptr) { | |
5038 | case 0: case 'M': case 'm': | |
5039 | value <<= 20; | |
5040 | break; | |
5041 | case 'G': case 'g': | |
5042 | value <<= 30; | |
5043 | break; | |
5044 | default: | |
5045 | fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); | |
cd6f1169 FB |
5046 | exit(1); |
5047 | } | |
00f82b8a AJ |
5048 | |
5049 | /* On 32-bit hosts, QEMU is limited by virtual address space */ | |
4a1418e0 | 5050 | if (value > (2047 << 20) && HOST_LONG_BITS == 32) { |
00f82b8a AJ |
5051 | fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); |
5052 | exit(1); | |
5053 | } | |
c227f099 | 5054 | if (value != (uint64_t)(ram_addr_t)value) { |
00f82b8a AJ |
5055 | fprintf(stderr, "qemu: ram size too large\n"); |
5056 | exit(1); | |
5057 | } | |
5058 | ram_size = value; | |
cd6f1169 | 5059 | break; |
00f82b8a | 5060 | } |
cd6f1169 FB |
5061 | case QEMU_OPTION_d: |
5062 | { | |
5063 | int mask; | |
c7cd6a37 | 5064 | const CPULogItem *item; |
3b46e624 | 5065 | |
cd6f1169 FB |
5066 | mask = cpu_str_to_log_mask(optarg); |
5067 | if (!mask) { | |
5068 | printf("Log items (comma separated):\n"); | |
f193c797 FB |
5069 | for(item = cpu_log_items; item->mask != 0; item++) { |
5070 | printf("%-10s %s\n", item->name, item->help); | |
5071 | } | |
5072 | exit(1); | |
cd6f1169 FB |
5073 | } |
5074 | cpu_set_log(mask); | |
f193c797 | 5075 | } |
cd6f1169 | 5076 | break; |
cd6f1169 | 5077 | case QEMU_OPTION_s: |
59030a8c | 5078 | gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT; |
cd6f1169 | 5079 | break; |
59030a8c AL |
5080 | case QEMU_OPTION_gdb: |
5081 | gdbstub_dev = optarg; | |
cd6f1169 | 5082 | break; |
cd6f1169 | 5083 | case QEMU_OPTION_L: |
5cea8590 | 5084 | data_dir = optarg; |
cd6f1169 | 5085 | break; |
1192dad8 JM |
5086 | case QEMU_OPTION_bios: |
5087 | bios_name = optarg; | |
5088 | break; | |
1b530a6d AJ |
5089 | case QEMU_OPTION_singlestep: |
5090 | singlestep = 1; | |
5091 | break; | |
cd6f1169 | 5092 | case QEMU_OPTION_S: |
3c07f8e8 | 5093 | autostart = 0; |
cd6f1169 | 5094 | break; |
3d11d0eb FB |
5095 | case QEMU_OPTION_k: |
5096 | keyboard_layout = optarg; | |
5097 | break; | |
ee22c2f7 FB |
5098 | case QEMU_OPTION_localtime: |
5099 | rtc_utc = 0; | |
5100 | break; | |
3893c124 | 5101 | case QEMU_OPTION_vga: |
5102 | select_vgahw (optarg); | |
1bfe856e | 5103 | break; |
5824d651 | 5104 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) |
e9b137c2 FB |
5105 | case QEMU_OPTION_g: |
5106 | { | |
5107 | const char *p; | |
5108 | int w, h, depth; | |
5109 | p = optarg; | |
5110 | w = strtol(p, (char **)&p, 10); | |
5111 | if (w <= 0) { | |
5112 | graphic_error: | |
5113 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
5114 | exit(1); | |
5115 | } | |
5116 | if (*p != 'x') | |
5117 | goto graphic_error; | |
5118 | p++; | |
5119 | h = strtol(p, (char **)&p, 10); | |
5120 | if (h <= 0) | |
5121 | goto graphic_error; | |
5122 | if (*p == 'x') { | |
5123 | p++; | |
5124 | depth = strtol(p, (char **)&p, 10); | |
5fafdf24 | 5125 | if (depth != 8 && depth != 15 && depth != 16 && |
e9b137c2 FB |
5126 | depth != 24 && depth != 32) |
5127 | goto graphic_error; | |
5128 | } else if (*p == '\0') { | |
5129 | depth = graphic_depth; | |
5130 | } else { | |
5131 | goto graphic_error; | |
5132 | } | |
3b46e624 | 5133 | |
e9b137c2 FB |
5134 | graphic_width = w; |
5135 | graphic_height = h; | |
5136 | graphic_depth = depth; | |
5137 | } | |
5138 | break; | |
5824d651 | 5139 | #endif |
20d8a3ed TS |
5140 | case QEMU_OPTION_echr: |
5141 | { | |
5142 | char *r; | |
5143 | term_escape_char = strtol(optarg, &r, 0); | |
5144 | if (r == optarg) | |
5145 | printf("Bad argument to echr\n"); | |
5146 | break; | |
5147 | } | |
82c643ff | 5148 | case QEMU_OPTION_monitor: |
6ca5582d GH |
5149 | monitor_parse(optarg, "readline"); |
5150 | default_monitor = 0; | |
5151 | break; | |
5152 | case QEMU_OPTION_qmp: | |
5153 | monitor_parse(optarg, "control"); | |
abdeed06 | 5154 | default_monitor = 0; |
82c643ff | 5155 | break; |
22a0e04b GH |
5156 | case QEMU_OPTION_mon: |
5157 | opts = qemu_opts_parse(&qemu_mon_opts, optarg, "chardev"); | |
5158 | if (!opts) { | |
5159 | fprintf(stderr, "parse error: %s\n", optarg); | |
5160 | exit(1); | |
5161 | } | |
5162 | default_monitor = 0; | |
5163 | break; | |
191bc01b GH |
5164 | case QEMU_OPTION_chardev: |
5165 | opts = qemu_opts_parse(&qemu_chardev_opts, optarg, "backend"); | |
5166 | if (!opts) { | |
5167 | fprintf(stderr, "parse error: %s\n", optarg); | |
5168 | exit(1); | |
5169 | } | |
191bc01b | 5170 | break; |
82c643ff | 5171 | case QEMU_OPTION_serial: |
998bbd74 GH |
5172 | add_device_config(DEV_SERIAL, optarg); |
5173 | default_serial = 0; | |
82c643ff | 5174 | break; |
9dd986cc | 5175 | case QEMU_OPTION_watchdog: |
09aaa160 MA |
5176 | if (watchdog) { |
5177 | fprintf(stderr, | |
5178 | "qemu: only one watchdog option may be given\n"); | |
5179 | return 1; | |
5180 | } | |
5181 | watchdog = optarg; | |
9dd986cc RJ |
5182 | break; |
5183 | case QEMU_OPTION_watchdog_action: | |
5184 | if (select_watchdog_action(optarg) == -1) { | |
5185 | fprintf(stderr, "Unknown -watchdog-action parameter\n"); | |
5186 | exit(1); | |
5187 | } | |
5188 | break; | |
51ecf136 | 5189 | case QEMU_OPTION_virtiocon: |
aee1b935 GH |
5190 | add_device_config(DEV_VIRTCON, optarg); |
5191 | default_virtcon = 0; | |
51ecf136 | 5192 | break; |
6508fe59 | 5193 | case QEMU_OPTION_parallel: |
6a5e8b0e GH |
5194 | add_device_config(DEV_PARALLEL, optarg); |
5195 | default_parallel = 0; | |
6508fe59 | 5196 | break; |
c9f398e5 PA |
5197 | case QEMU_OPTION_debugcon: |
5198 | add_device_config(DEV_DEBUGCON, optarg); | |
5199 | break; | |
d63d307f FB |
5200 | case QEMU_OPTION_loadvm: |
5201 | loadvm = optarg; | |
5202 | break; | |
5203 | case QEMU_OPTION_full_screen: | |
5204 | full_screen = 1; | |
5205 | break; | |
667accab | 5206 | #ifdef CONFIG_SDL |
43523e93 TS |
5207 | case QEMU_OPTION_no_frame: |
5208 | no_frame = 1; | |
5209 | break; | |
3780e197 TS |
5210 | case QEMU_OPTION_alt_grab: |
5211 | alt_grab = 1; | |
5212 | break; | |
0ca9f8a4 DK |
5213 | case QEMU_OPTION_ctrl_grab: |
5214 | ctrl_grab = 1; | |
5215 | break; | |
667accab TS |
5216 | case QEMU_OPTION_no_quit: |
5217 | no_quit = 1; | |
5218 | break; | |
7d957bd8 | 5219 | case QEMU_OPTION_sdl: |
993fbfdb | 5220 | display_type = DT_SDL; |
7d957bd8 | 5221 | break; |
667accab | 5222 | #endif |
f7cce898 | 5223 | case QEMU_OPTION_pidfile: |
93815bc2 | 5224 | pid_file = optarg; |
f7cce898 | 5225 | break; |
a09db21f FB |
5226 | #ifdef TARGET_I386 |
5227 | case QEMU_OPTION_win2k_hack: | |
5228 | win2k_install_hack = 1; | |
5229 | break; | |
73822ec8 AL |
5230 | case QEMU_OPTION_rtc_td_hack: |
5231 | rtc_td_hack = 1; | |
5232 | break; | |
8a92ea2f AL |
5233 | case QEMU_OPTION_acpitable: |
5234 | if(acpi_table_add(optarg) < 0) { | |
5235 | fprintf(stderr, "Wrong acpi table provided\n"); | |
5236 | exit(1); | |
5237 | } | |
5238 | break; | |
b6f6e3d3 AL |
5239 | case QEMU_OPTION_smbios: |
5240 | if(smbios_entry_add(optarg) < 0) { | |
5241 | fprintf(stderr, "Wrong smbios provided\n"); | |
5242 | exit(1); | |
5243 | } | |
5244 | break; | |
a09db21f | 5245 | #endif |
7ba1e619 AL |
5246 | #ifdef CONFIG_KVM |
5247 | case QEMU_OPTION_enable_kvm: | |
5248 | kvm_allowed = 1; | |
7ba1e619 | 5249 | break; |
d993e026 | 5250 | #endif |
bb36d470 FB |
5251 | case QEMU_OPTION_usb: |
5252 | usb_enabled = 1; | |
5253 | break; | |
a594cfbf FB |
5254 | case QEMU_OPTION_usbdevice: |
5255 | usb_enabled = 1; | |
bd3c948d GH |
5256 | add_device_config(DEV_USB, optarg); |
5257 | break; | |
5258 | case QEMU_OPTION_device: | |
b386becf | 5259 | if (!qemu_opts_parse(&qemu_device_opts, optarg, "driver")) { |
f31d07d1 GH |
5260 | exit(1); |
5261 | } | |
a594cfbf | 5262 | break; |
6a00d601 | 5263 | case QEMU_OPTION_smp: |
dc6b1c09 | 5264 | smp_parse(optarg); |
b2097003 | 5265 | if (smp_cpus < 1) { |
6a00d601 FB |
5266 | fprintf(stderr, "Invalid number of CPUs\n"); |
5267 | exit(1); | |
5268 | } | |
6be68d7e JS |
5269 | if (max_cpus < smp_cpus) { |
5270 | fprintf(stderr, "maxcpus must be equal to or greater than " | |
5271 | "smp\n"); | |
5272 | exit(1); | |
5273 | } | |
5274 | if (max_cpus > 255) { | |
5275 | fprintf(stderr, "Unsupported number of maxcpus\n"); | |
5276 | exit(1); | |
5277 | } | |
6a00d601 | 5278 | break; |
24236869 | 5279 | case QEMU_OPTION_vnc: |
993fbfdb | 5280 | display_type = DT_VNC; |
73fc9742 | 5281 | vnc_display = optarg; |
24236869 | 5282 | break; |
5824d651 | 5283 | #ifdef TARGET_I386 |
6515b203 FB |
5284 | case QEMU_OPTION_no_acpi: |
5285 | acpi_enabled = 0; | |
5286 | break; | |
16b29ae1 AL |
5287 | case QEMU_OPTION_no_hpet: |
5288 | no_hpet = 1; | |
5289 | break; | |
7d4c3d53 MA |
5290 | case QEMU_OPTION_balloon: |
5291 | if (balloon_parse(optarg) < 0) { | |
5292 | fprintf(stderr, "Unknown -balloon argument %s\n", optarg); | |
5293 | exit(1); | |
5294 | } | |
df97b920 | 5295 | break; |
5824d651 | 5296 | #endif |
d1beab82 FB |
5297 | case QEMU_OPTION_no_reboot: |
5298 | no_reboot = 1; | |
5299 | break; | |
b2f76161 AJ |
5300 | case QEMU_OPTION_no_shutdown: |
5301 | no_shutdown = 1; | |
5302 | break; | |
9467cd46 AZ |
5303 | case QEMU_OPTION_show_cursor: |
5304 | cursor_hide = 0; | |
5305 | break; | |
8fcb1b90 BS |
5306 | case QEMU_OPTION_uuid: |
5307 | if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { | |
5308 | fprintf(stderr, "Fail to parse UUID string." | |
5309 | " Wrong format.\n"); | |
5310 | exit(1); | |
5311 | } | |
5312 | break; | |
5824d651 | 5313 | #ifndef _WIN32 |
71e3ceb8 TS |
5314 | case QEMU_OPTION_daemonize: |
5315 | daemonize = 1; | |
5316 | break; | |
5824d651 | 5317 | #endif |
9ae02555 TS |
5318 | case QEMU_OPTION_option_rom: |
5319 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
5320 | fprintf(stderr, "Too many option ROMs\n"); | |
5321 | exit(1); | |
5322 | } | |
5323 | option_rom[nb_option_roms] = optarg; | |
5324 | nb_option_roms++; | |
5325 | break; | |
5824d651 | 5326 | #if defined(TARGET_ARM) || defined(TARGET_M68K) |
8e71621f PB |
5327 | case QEMU_OPTION_semihosting: |
5328 | semihosting_enabled = 1; | |
5329 | break; | |
5824d651 | 5330 | #endif |
c35734b2 | 5331 | case QEMU_OPTION_name: |
1889465a AK |
5332 | qemu_name = qemu_strdup(optarg); |
5333 | { | |
5334 | char *p = strchr(qemu_name, ','); | |
5335 | if (p != NULL) { | |
5336 | *p++ = 0; | |
5337 | if (strncmp(p, "process=", 8)) { | |
5338 | fprintf(stderr, "Unknown subargument %s to -name", p); | |
5339 | exit(1); | |
5340 | } | |
5341 | p += 8; | |
5342 | set_proc_name(p); | |
5343 | } | |
5344 | } | |
c35734b2 | 5345 | break; |
95efd11c | 5346 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
66508601 BS |
5347 | case QEMU_OPTION_prom_env: |
5348 | if (nb_prom_envs >= MAX_PROM_ENVS) { | |
5349 | fprintf(stderr, "Too many prom variables\n"); | |
5350 | exit(1); | |
5351 | } | |
5352 | prom_envs[nb_prom_envs] = optarg; | |
5353 | nb_prom_envs++; | |
5354 | break; | |
2b8f2d41 AZ |
5355 | #endif |
5356 | #ifdef TARGET_ARM | |
5357 | case QEMU_OPTION_old_param: | |
5358 | old_param = 1; | |
05ebd537 | 5359 | break; |
66508601 | 5360 | #endif |
f3dcfada TS |
5361 | case QEMU_OPTION_clock: |
5362 | configure_alarms(optarg); | |
5363 | break; | |
7e0af5d0 | 5364 | case QEMU_OPTION_startdate: |
1ed2fc1f JK |
5365 | configure_rtc_date_offset(optarg, 1); |
5366 | break; | |
5367 | case QEMU_OPTION_rtc: | |
5368 | opts = qemu_opts_parse(&qemu_rtc_opts, optarg, NULL); | |
5369 | if (!opts) { | |
5370 | fprintf(stderr, "parse error: %s\n", optarg); | |
5371 | exit(1); | |
7e0af5d0 | 5372 | } |
1ed2fc1f | 5373 | configure_rtc(opts); |
7e0af5d0 | 5374 | break; |
26a5f13b FB |
5375 | case QEMU_OPTION_tb_size: |
5376 | tb_size = strtol(optarg, NULL, 0); | |
5377 | if (tb_size < 0) | |
5378 | tb_size = 0; | |
5379 | break; | |
2e70f6ef PB |
5380 | case QEMU_OPTION_icount: |
5381 | use_icount = 1; | |
5382 | if (strcmp(optarg, "auto") == 0) { | |
5383 | icount_time_shift = -1; | |
5384 | } else { | |
5385 | icount_time_shift = strtol(optarg, NULL, 0); | |
5386 | } | |
5387 | break; | |
5bb7910a AL |
5388 | case QEMU_OPTION_incoming: |
5389 | incoming = optarg; | |
5390 | break; | |
d8c208dd GH |
5391 | case QEMU_OPTION_nodefaults: |
5392 | default_serial = 0; | |
5393 | default_parallel = 0; | |
aee1b935 | 5394 | default_virtcon = 0; |
d8c208dd GH |
5395 | default_monitor = 0; |
5396 | default_vga = 0; | |
cb4522cc | 5397 | default_net = 0; |
ac33f8fa GH |
5398 | default_floppy = 0; |
5399 | default_cdrom = 0; | |
5400 | default_sdcard = 0; | |
d8c208dd | 5401 | break; |
5824d651 | 5402 | #ifndef _WIN32 |
0858532e AL |
5403 | case QEMU_OPTION_chroot: |
5404 | chroot_dir = optarg; | |
5405 | break; | |
5406 | case QEMU_OPTION_runas: | |
5407 | run_as = optarg; | |
5408 | break; | |
e37630ca AL |
5409 | #endif |
5410 | #ifdef CONFIG_XEN | |
5411 | case QEMU_OPTION_xen_domid: | |
5412 | xen_domid = atoi(optarg); | |
5413 | break; | |
5414 | case QEMU_OPTION_xen_create: | |
5415 | xen_mode = XEN_CREATE; | |
5416 | break; | |
5417 | case QEMU_OPTION_xen_attach: | |
5418 | xen_mode = XEN_ATTACH; | |
5419 | break; | |
5824d651 | 5420 | #endif |
715a664a GH |
5421 | case QEMU_OPTION_readconfig: |
5422 | { | |
5423 | FILE *fp; | |
5424 | fp = fopen(optarg, "r"); | |
5425 | if (fp == NULL) { | |
5426 | fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); | |
5427 | exit(1); | |
5428 | } | |
5429 | if (qemu_config_parse(fp) != 0) { | |
5430 | exit(1); | |
5431 | } | |
5432 | fclose(fp); | |
5433 | break; | |
5434 | } | |
5435 | case QEMU_OPTION_writeconfig: | |
5436 | { | |
5437 | FILE *fp; | |
5438 | if (strcmp(optarg, "-") == 0) { | |
5439 | fp = stdout; | |
5440 | } else { | |
5441 | fp = fopen(optarg, "w"); | |
5442 | if (fp == NULL) { | |
5443 | fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); | |
5444 | exit(1); | |
5445 | } | |
5446 | } | |
5447 | qemu_config_write(fp); | |
5448 | fclose(fp); | |
5449 | break; | |
5450 | } | |
cd6f1169 | 5451 | } |
0824d6fc FB |
5452 | } |
5453 | } | |
330d0414 | 5454 | |
5cea8590 PB |
5455 | /* If no data_dir is specified then try to find it relative to the |
5456 | executable path. */ | |
5457 | if (!data_dir) { | |
5458 | data_dir = find_datadir(argv[0]); | |
5459 | } | |
5460 | /* If all else fails use the install patch specified when building. */ | |
5461 | if (!data_dir) { | |
5462 | data_dir = CONFIG_QEMU_SHAREDIR; | |
5463 | } | |
5464 | ||
6be68d7e JS |
5465 | /* |
5466 | * Default to max_cpus = smp_cpus, in case the user doesn't | |
5467 | * specify a max_cpus value. | |
5468 | */ | |
5469 | if (!max_cpus) | |
5470 | max_cpus = smp_cpus; | |
5471 | ||
3d878caa | 5472 | machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ |
b2097003 AL |
5473 | if (smp_cpus > machine->max_cpus) { |
5474 | fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " | |
5475 | "supported by machine `%s' (%d)\n", smp_cpus, machine->name, | |
5476 | machine->max_cpus); | |
5477 | exit(1); | |
5478 | } | |
5479 | ||
998bbd74 | 5480 | qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0); |
d8bcbabf | 5481 | qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0); |
998bbd74 | 5482 | |
986c5f78 GH |
5483 | if (machine->no_serial) { |
5484 | default_serial = 0; | |
5485 | } | |
5486 | if (machine->no_parallel) { | |
5487 | default_parallel = 0; | |
5488 | } | |
5489 | if (!machine->use_virtcon) { | |
5490 | default_virtcon = 0; | |
5491 | } | |
5492 | if (machine->no_vga) { | |
5493 | default_vga = 0; | |
5494 | } | |
ac33f8fa GH |
5495 | if (machine->no_floppy) { |
5496 | default_floppy = 0; | |
5497 | } | |
5498 | if (machine->no_cdrom) { | |
5499 | default_cdrom = 0; | |
5500 | } | |
5501 | if (machine->no_sdcard) { | |
5502 | default_sdcard = 0; | |
5503 | } | |
986c5f78 | 5504 | |
993fbfdb | 5505 | if (display_type == DT_NOGRAPHIC) { |
6a5e8b0e GH |
5506 | if (default_parallel) |
5507 | add_device_config(DEV_PARALLEL, "null"); | |
e1c09175 GH |
5508 | if (default_serial && default_monitor) { |
5509 | add_device_config(DEV_SERIAL, "mon:stdio"); | |
986c5f78 GH |
5510 | } else if (default_virtcon && default_monitor) { |
5511 | add_device_config(DEV_VIRTCON, "mon:stdio"); | |
e1c09175 GH |
5512 | } else { |
5513 | if (default_serial) | |
5514 | add_device_config(DEV_SERIAL, "stdio"); | |
986c5f78 GH |
5515 | if (default_virtcon) |
5516 | add_device_config(DEV_VIRTCON, "stdio"); | |
e1c09175 | 5517 | if (default_monitor) |
6ca5582d | 5518 | monitor_parse("stdio", "readline"); |
e1c09175 | 5519 | } |
998bbd74 GH |
5520 | } else { |
5521 | if (default_serial) | |
5522 | add_device_config(DEV_SERIAL, "vc:80Cx24C"); | |
6a5e8b0e GH |
5523 | if (default_parallel) |
5524 | add_device_config(DEV_PARALLEL, "vc:80Cx24C"); | |
abdeed06 | 5525 | if (default_monitor) |
6ca5582d | 5526 | monitor_parse("vc:80Cx24C", "readline"); |
38536da1 AG |
5527 | if (default_virtcon) |
5528 | add_device_config(DEV_VIRTCON, "vc:80Cx24C"); | |
bc0129d9 | 5529 | } |
64465297 GH |
5530 | if (default_vga) |
5531 | vga_interface_type = VGA_CIRRUS; | |
bc0129d9 | 5532 | |
1a688d3b GH |
5533 | if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0) |
5534 | exit(1); | |
5535 | ||
71e3ceb8 | 5536 | #ifndef _WIN32 |
71e3ceb8 TS |
5537 | if (daemonize) { |
5538 | pid_t pid; | |
5539 | ||
5540 | if (pipe(fds) == -1) | |
5541 | exit(1); | |
5542 | ||
5543 | pid = fork(); | |
5544 | if (pid > 0) { | |
5545 | uint8_t status; | |
5546 | ssize_t len; | |
5547 | ||
5548 | close(fds[1]); | |
5549 | ||
5550 | again: | |
93815bc2 TS |
5551 | len = read(fds[0], &status, 1); |
5552 | if (len == -1 && (errno == EINTR)) | |
5553 | goto again; | |
5554 | ||
5555 | if (len != 1) | |
5556 | exit(1); | |
5557 | else if (status == 1) { | |
850810d0 | 5558 | fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno)); |
93815bc2 TS |
5559 | exit(1); |
5560 | } else | |
5561 | exit(0); | |
71e3ceb8 | 5562 | } else if (pid < 0) |
93815bc2 | 5563 | exit(1); |
71e3ceb8 | 5564 | |
40ff6d7e KW |
5565 | close(fds[0]); |
5566 | qemu_set_cloexec(fds[1]); | |
5567 | ||
71e3ceb8 TS |
5568 | setsid(); |
5569 | ||
5570 | pid = fork(); | |
5571 | if (pid > 0) | |
5572 | exit(0); | |
5573 | else if (pid < 0) | |
5574 | exit(1); | |
5575 | ||
5576 | umask(027); | |
71e3ceb8 TS |
5577 | |
5578 | signal(SIGTSTP, SIG_IGN); | |
5579 | signal(SIGTTOU, SIG_IGN); | |
5580 | signal(SIGTTIN, SIG_IGN); | |
5581 | } | |
099fe236 | 5582 | #endif |
71e3ceb8 | 5583 | |
aa26bb2d | 5584 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
099fe236 | 5585 | #ifndef _WIN32 |
93815bc2 TS |
5586 | if (daemonize) { |
5587 | uint8_t status = 1; | |
5588 | write(fds[1], &status, 1); | |
5589 | } else | |
099fe236 | 5590 | #endif |
850810d0 | 5591 | fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno)); |
93815bc2 TS |
5592 | exit(1); |
5593 | } | |
5594 | ||
214910a7 MT |
5595 | if (kvm_enabled()) { |
5596 | int ret; | |
5597 | ||
5598 | ret = kvm_init(smp_cpus); | |
5599 | if (ret < 0) { | |
5600 | fprintf(stderr, "failed to initialize KVM\n"); | |
5601 | exit(1); | |
5602 | } | |
5603 | } | |
5604 | ||
3fcf7b6b AL |
5605 | if (qemu_init_main_loop()) { |
5606 | fprintf(stderr, "qemu_init_main_loop failed\n"); | |
5607 | exit(1); | |
5608 | } | |
a20dd508 | 5609 | linux_boot = (kernel_filename != NULL); |
6c41b272 | 5610 | |
f8d39c01 TS |
5611 | if (!linux_boot && *kernel_cmdline != '\0') { |
5612 | fprintf(stderr, "-append only allowed with -kernel option\n"); | |
5613 | exit(1); | |
5614 | } | |
5615 | ||
5616 | if (!linux_boot && initrd_filename != NULL) { | |
5617 | fprintf(stderr, "-initrd only allowed with -kernel option\n"); | |
5618 | exit(1); | |
5619 | } | |
5620 | ||
bf65f53f FN |
5621 | #ifndef _WIN32 |
5622 | /* Win32 doesn't support line-buffering and requires size >= 2 */ | |
b118d61e | 5623 | setvbuf(stdout, NULL, _IOLBF, 0); |
bf65f53f | 5624 | #endif |
3b46e624 | 5625 | |
7183b4b4 AL |
5626 | if (init_timer_alarm() < 0) { |
5627 | fprintf(stderr, "could not initialize alarm timer\n"); | |
5628 | exit(1); | |
5629 | } | |
2e70f6ef PB |
5630 | if (use_icount && icount_time_shift < 0) { |
5631 | use_icount = 2; | |
5632 | /* 125MIPS seems a reasonable initial guess at the guest speed. | |
5633 | It will be corrected fairly quickly anyway. */ | |
5634 | icount_time_shift = 3; | |
5635 | init_icount_adjust(); | |
5636 | } | |
634fce96 | 5637 | |
fd1dff4b FB |
5638 | #ifdef _WIN32 |
5639 | socket_init(); | |
5640 | #endif | |
5641 | ||
dc1c9fe8 MM |
5642 | if (net_init_clients() < 0) { |
5643 | exit(1); | |
702c651c | 5644 | } |
f1510b2c | 5645 | |
406c8df3 GC |
5646 | net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
5647 | net_set_boot_mask(net_boot); | |
5648 | ||
dc72ac14 | 5649 | /* init the bluetooth world */ |
bd3c948d GH |
5650 | if (foreach_device_config(DEV_BT, bt_parse)) |
5651 | exit(1); | |
dc72ac14 | 5652 | |
0824d6fc | 5653 | /* init the memory */ |
94a6b54f PB |
5654 | if (ram_size == 0) |
5655 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
9ae02555 | 5656 | |
26a5f13b FB |
5657 | /* init the dynamic translator */ |
5658 | cpu_exec_init_all(tb_size * 1024 * 1024); | |
5659 | ||
eb852011 | 5660 | bdrv_init_with_whitelist(); |
c4b1fcc0 | 5661 | |
c163b5ca | 5662 | blk_mig_init(); |
5663 | ||
ac33f8fa | 5664 | if (default_cdrom) { |
aa40fc9c GH |
5665 | /* we always create the cdrom drive, even if no disk is there */ |
5666 | drive_add(NULL, CDROM_ALIAS); | |
ac33f8fa | 5667 | } |
c4b1fcc0 | 5668 | |
ac33f8fa | 5669 | if (default_floppy) { |
aa40fc9c GH |
5670 | /* we always create at least one floppy */ |
5671 | drive_add(NULL, FD_ALIAS, 0); | |
ac33f8fa | 5672 | } |
86f55663 | 5673 | |
ac33f8fa | 5674 | if (default_sdcard) { |
aa40fc9c GH |
5675 | /* we always create one sd slot, even if no card is in it */ |
5676 | drive_add(NULL, SD_ALIAS); | |
5677 | } | |
9d413d1d | 5678 | |
e4bcb14c | 5679 | /* open the virtual block devices */ |
9dfd7c7a | 5680 | if (snapshot) |
7282a033 GH |
5681 | qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0); |
5682 | if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0) | |
9dfd7c7a | 5683 | exit(1); |
3e3d5815 | 5684 | |
2faf58cd | 5685 | vmstate_register(0, &vmstate_timers ,&timers_state); |
c163b5ca | 5686 | register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL, |
5687 | ram_load, NULL); | |
8a7ddc38 | 5688 | |
268a362c AL |
5689 | if (nb_numa_nodes > 0) { |
5690 | int i; | |
5691 | ||
5692 | if (nb_numa_nodes > smp_cpus) { | |
5693 | nb_numa_nodes = smp_cpus; | |
5694 | } | |
5695 | ||
5696 | /* If no memory size if given for any node, assume the default case | |
5697 | * and distribute the available memory equally across all nodes | |
5698 | */ | |
5699 | for (i = 0; i < nb_numa_nodes; i++) { | |
5700 | if (node_mem[i] != 0) | |
5701 | break; | |
5702 | } | |
5703 | if (i == nb_numa_nodes) { | |
5704 | uint64_t usedmem = 0; | |
5705 | ||
5706 | /* On Linux, the each node's border has to be 8MB aligned, | |
5707 | * the final node gets the rest. | |
5708 | */ | |
5709 | for (i = 0; i < nb_numa_nodes - 1; i++) { | |
5710 | node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); | |
5711 | usedmem += node_mem[i]; | |
5712 | } | |
5713 | node_mem[i] = ram_size - usedmem; | |
5714 | } | |
5715 | ||
5716 | for (i = 0; i < nb_numa_nodes; i++) { | |
5717 | if (node_cpumask[i] != 0) | |
5718 | break; | |
5719 | } | |
5720 | /* assigning the VCPUs round-robin is easier to implement, guest OSes | |
5721 | * must cope with this anyway, because there are BIOSes out there in | |
5722 | * real machines which also use this scheme. | |
5723 | */ | |
5724 | if (i == nb_numa_nodes) { | |
5725 | for (i = 0; i < smp_cpus; i++) { | |
5726 | node_cpumask[i % nb_numa_nodes] |= 1 << i; | |
5727 | } | |
5728 | } | |
5729 | } | |
5730 | ||
998bbd74 GH |
5731 | if (foreach_device_config(DEV_SERIAL, serial_parse) < 0) |
5732 | exit(1); | |
6a5e8b0e GH |
5733 | if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0) |
5734 | exit(1); | |
aee1b935 GH |
5735 | if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0) |
5736 | exit(1); | |
c9f398e5 PA |
5737 | if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0) |
5738 | exit(1); | |
2796dae0 | 5739 | |
aae9460e PB |
5740 | module_call_init(MODULE_INIT_DEVICE); |
5741 | ||
09aaa160 MA |
5742 | if (watchdog) { |
5743 | i = select_watchdog(watchdog); | |
5744 | if (i > 0) | |
5745 | exit (i == 1 ? 1 : 0); | |
5746 | } | |
5747 | ||
b6b61144 | 5748 | if (machine->compat_props) { |
458fb679 | 5749 | qdev_prop_register_global_list(machine->compat_props); |
b6b61144 | 5750 | } |
d0fef6fb GH |
5751 | qemu_add_globals(); |
5752 | ||
fbe1b595 | 5753 | machine->init(ram_size, boot_devices, |
3023f332 AL |
5754 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
5755 | ||
268a362c | 5756 | |
67b3b71d JQ |
5757 | #ifndef _WIN32 |
5758 | /* must be after terminal init, SDL library changes signal handlers */ | |
5759 | sighandler_setup(); | |
5760 | #endif | |
5761 | ||
268a362c AL |
5762 | for (env = first_cpu; env != NULL; env = env->next_cpu) { |
5763 | for (i = 0; i < nb_numa_nodes; i++) { | |
5764 | if (node_cpumask[i] & (1 << env->cpu_index)) { | |
5765 | env->numa_node = i; | |
5766 | } | |
5767 | } | |
5768 | } | |
5769 | ||
6f338c34 AL |
5770 | current_machine = machine; |
5771 | ||
3023f332 AL |
5772 | /* init USB devices */ |
5773 | if (usb_enabled) { | |
0752706d MA |
5774 | if (foreach_device_config(DEV_USB, usb_parse) < 0) |
5775 | exit(1); | |
3023f332 AL |
5776 | } |
5777 | ||
bd3c948d | 5778 | /* init generic devices */ |
f31d07d1 | 5779 | if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0) |
bd3c948d GH |
5780 | exit(1); |
5781 | ||
8f391ab4 AL |
5782 | if (!display_state) |
5783 | dumb_display_init(); | |
3023f332 AL |
5784 | /* just use the first displaystate for the moment */ |
5785 | ds = display_state; | |
993fbfdb AL |
5786 | |
5787 | if (display_type == DT_DEFAULT) { | |
5788 | #if defined(CONFIG_SDL) || defined(CONFIG_COCOA) | |
5789 | display_type = DT_SDL; | |
5790 | #else | |
5791 | display_type = DT_VNC; | |
5792 | vnc_display = "localhost:0,to=99"; | |
5793 | show_vnc_port = 1; | |
5794 | #endif | |
5795 | } | |
5796 | ||
5797 | ||
5798 | switch (display_type) { | |
5799 | case DT_NOGRAPHIC: | |
5800 | break; | |
4d3b6f6e | 5801 | #if defined(CONFIG_CURSES) |
993fbfdb AL |
5802 | case DT_CURSES: |
5803 | curses_display_init(ds, full_screen); | |
5804 | break; | |
4d3b6f6e | 5805 | #endif |
5b0753e0 | 5806 | #if defined(CONFIG_SDL) |
993fbfdb AL |
5807 | case DT_SDL: |
5808 | sdl_display_init(ds, full_screen, no_frame); | |
5809 | break; | |
5b0753e0 | 5810 | #elif defined(CONFIG_COCOA) |
993fbfdb AL |
5811 | case DT_SDL: |
5812 | cocoa_display_init(ds, full_screen); | |
5813 | break; | |
313aa567 | 5814 | #endif |
993fbfdb AL |
5815 | case DT_VNC: |
5816 | vnc_display_init(ds); | |
5817 | if (vnc_display_open(ds, vnc_display) < 0) | |
5818 | exit(1); | |
f92f8afe | 5819 | |
993fbfdb AL |
5820 | if (show_vnc_port) { |
5821 | printf("VNC server running on `%s'\n", vnc_display_local_addr(ds)); | |
f92f8afe | 5822 | } |
993fbfdb AL |
5823 | break; |
5824 | default: | |
5825 | break; | |
313aa567 | 5826 | } |
7d957bd8 | 5827 | dpy_resize(ds); |
5b08fc10 | 5828 | |
3023f332 AL |
5829 | dcl = ds->listeners; |
5830 | while (dcl != NULL) { | |
5831 | if (dcl->dpy_refresh != NULL) { | |
5832 | ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds); | |
5833 | qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock)); | |
20d8a3ed | 5834 | } |
3023f332 | 5835 | dcl = dcl->next; |
20d8a3ed | 5836 | } |
3023f332 | 5837 | |
993fbfdb | 5838 | if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) { |
9043b62d BS |
5839 | nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL); |
5840 | qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock)); | |
5841 | } | |
5842 | ||
2796dae0 AL |
5843 | text_consoles_set_display(display_state); |
5844 | ||
88589343 GH |
5845 | if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) |
5846 | exit(1); | |
82c643ff | 5847 | |
59030a8c AL |
5848 | if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { |
5849 | fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n", | |
5850 | gdbstub_dev); | |
5851 | exit(1); | |
45669e00 | 5852 | } |
45669e00 | 5853 | |
3418bd25 GH |
5854 | qdev_machine_creation_done(); |
5855 | ||
15ff7705 GH |
5856 | if (rom_load_all() != 0) { |
5857 | fprintf(stderr, "rom loading failed\n"); | |
5858 | exit(1); | |
5859 | } | |
45a50b16 | 5860 | |
504c2948 | 5861 | qemu_system_reset(); |
05f2401e JQ |
5862 | if (loadvm) { |
5863 | if (load_vmstate(cur_mon, loadvm) < 0) { | |
5864 | autostart = 0; | |
5865 | } | |
5866 | } | |
d63d307f | 5867 | |
2bb8c10c | 5868 | if (incoming) { |
5bb7910a | 5869 | qemu_start_incoming_migration(incoming); |
6b99dadc | 5870 | } else if (autostart) { |
c0f4ce77 | 5871 | vm_start(); |
6b99dadc | 5872 | } |
ffd843bc | 5873 | |
b9e82a59 | 5874 | #ifndef _WIN32 |
71e3ceb8 TS |
5875 | if (daemonize) { |
5876 | uint8_t status = 0; | |
5877 | ssize_t len; | |
71e3ceb8 TS |
5878 | |
5879 | again1: | |
5880 | len = write(fds[1], &status, 1); | |
5881 | if (len == -1 && (errno == EINTR)) | |
5882 | goto again1; | |
5883 | ||
5884 | if (len != 1) | |
5885 | exit(1); | |
5886 | ||
bd54b863 | 5887 | chdir("/"); |
40ff6d7e | 5888 | TFR(fd = qemu_open("/dev/null", O_RDWR)); |
71e3ceb8 TS |
5889 | if (fd == -1) |
5890 | exit(1); | |
0858532e | 5891 | } |
71e3ceb8 | 5892 | |
0858532e AL |
5893 | if (run_as) { |
5894 | pwd = getpwnam(run_as); | |
5895 | if (!pwd) { | |
5896 | fprintf(stderr, "User \"%s\" doesn't exist\n", run_as); | |
5897 | exit(1); | |
5898 | } | |
5899 | } | |
5900 | ||
5901 | if (chroot_dir) { | |
5902 | if (chroot(chroot_dir) < 0) { | |
5903 | fprintf(stderr, "chroot failed\n"); | |
5904 | exit(1); | |
5905 | } | |
5906 | chdir("/"); | |
5907 | } | |
5908 | ||
5909 | if (run_as) { | |
5910 | if (setgid(pwd->pw_gid) < 0) { | |
5911 | fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid); | |
5912 | exit(1); | |
5913 | } | |
5914 | if (setuid(pwd->pw_uid) < 0) { | |
5915 | fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid); | |
5916 | exit(1); | |
5917 | } | |
5918 | if (setuid(0) != -1) { | |
5919 | fprintf(stderr, "Dropping privileges failed\n"); | |
5920 | exit(1); | |
5921 | } | |
5922 | } | |
0858532e AL |
5923 | |
5924 | if (daemonize) { | |
5925 | dup2(fd, 0); | |
5926 | dup2(fd, 1); | |
5927 | dup2(fd, 2); | |
71e3ceb8 | 5928 | |
0858532e | 5929 | close(fd); |
71e3ceb8 | 5930 | } |
b9e82a59 | 5931 | #endif |
71e3ceb8 | 5932 | |
8a7ddc38 | 5933 | main_loop(); |
40c3bac3 | 5934 | quit_timers(); |
63a01ef8 | 5935 | net_cleanup(); |
b46a8906 | 5936 | |
0824d6fc FB |
5937 | return 0; |
5938 | } |