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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 | |
179a2c19 | 32 | /* Needed early for HOST_BSD etc. */ |
d40cdb10 BS |
33 | #include "config-host.h" |
34 | ||
67b915a5 | 35 | #ifndef _WIN32 |
5cea8590 | 36 | #include <libgen.h> |
0858532e | 37 | #include <pwd.h> |
67b915a5 | 38 | #include <sys/times.h> |
f1510b2c | 39 | #include <sys/wait.h> |
67b915a5 | 40 | #include <termios.h> |
67b915a5 | 41 | #include <sys/mman.h> |
f1510b2c | 42 | #include <sys/ioctl.h> |
24646c7e | 43 | #include <sys/resource.h> |
f1510b2c | 44 | #include <sys/socket.h> |
c94c8d64 | 45 | #include <netinet/in.h> |
24646c7e BS |
46 | #include <net/if.h> |
47 | #if defined(__NetBSD__) | |
48 | #include <net/if_tap.h> | |
49 | #endif | |
50 | #ifdef __linux__ | |
51 | #include <linux/if_tun.h> | |
52 | #endif | |
53 | #include <arpa/inet.h> | |
9d728e8c | 54 | #include <dirent.h> |
7c9d8e07 | 55 | #include <netdb.h> |
cb4b976b | 56 | #include <sys/select.h> |
179a2c19 | 57 | #ifdef HOST_BSD |
7d3505c5 | 58 | #include <sys/stat.h> |
c5e97233 | 59 | #if defined(__FreeBSD__) || defined(__DragonFly__) |
7d3505c5 | 60 | #include <libutil.h> |
24646c7e BS |
61 | #else |
62 | #include <util.h> | |
128ab2ff | 63 | #endif |
5c40d2bd TS |
64 | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) |
65 | #include <freebsd/stdlib.h> | |
7d3505c5 | 66 | #else |
223f0d72 | 67 | #ifdef __linux__ |
7d3505c5 FB |
68 | #include <pty.h> |
69 | #include <malloc.h> | |
fd872598 | 70 | #include <linux/rtc.h> |
bd494f4c TS |
71 | |
72 | /* For the benefit of older linux systems which don't supply it, | |
73 | we use a local copy of hpet.h. */ | |
74 | /* #include <linux/hpet.h> */ | |
75 | #include "hpet.h" | |
76 | ||
e57a8c0e | 77 | #include <linux/ppdev.h> |
5867c88a | 78 | #include <linux/parport.h> |
223f0d72 BS |
79 | #endif |
80 | #ifdef __sun__ | |
d5d10bc3 TS |
81 | #include <sys/stat.h> |
82 | #include <sys/ethernet.h> | |
83 | #include <sys/sockio.h> | |
d5d10bc3 TS |
84 | #include <netinet/arp.h> |
85 | #include <netinet/in.h> | |
86 | #include <netinet/in_systm.h> | |
87 | #include <netinet/ip.h> | |
88 | #include <netinet/ip_icmp.h> // must come after ip.h | |
89 | #include <netinet/udp.h> | |
90 | #include <netinet/tcp.h> | |
91 | #include <net/if.h> | |
92 | #include <syslog.h> | |
93 | #include <stropts.h> | |
67b915a5 | 94 | #endif |
7d3505c5 | 95 | #endif |
ec530c81 | 96 | #endif |
67b915a5 | 97 | |
9892fbfb BS |
98 | #if defined(__OpenBSD__) |
99 | #include <util.h> | |
100 | #endif | |
101 | ||
8a16d273 TS |
102 | #if defined(CONFIG_VDE) |
103 | #include <libvdeplug.h> | |
104 | #endif | |
105 | ||
67b915a5 | 106 | #ifdef _WIN32 |
49dc768d | 107 | #include <windows.h> |
7d3505c5 | 108 | #include <malloc.h> |
67b915a5 | 109 | #include <sys/timeb.h> |
4fddf62a | 110 | #include <mmsystem.h> |
67b915a5 FB |
111 | #define getopt_long_only getopt_long |
112 | #define memalign(align, size) malloc(size) | |
113 | #endif | |
114 | ||
73332e5c | 115 | #ifdef CONFIG_SDL |
96bcd4f8 | 116 | #ifdef __APPLE__ |
6693665a | 117 | #include <SDL.h> |
880fec5d | 118 | int qemu_main(int argc, char **argv, char **envp); |
119 | int main(int argc, char **argv) | |
120 | { | |
121 | qemu_main(argc, argv, NULL); | |
122 | } | |
123 | #undef main | |
124 | #define main qemu_main | |
96bcd4f8 | 125 | #endif |
73332e5c | 126 | #endif /* CONFIG_SDL */ |
0824d6fc | 127 | |
5b0753e0 FB |
128 | #ifdef CONFIG_COCOA |
129 | #undef main | |
130 | #define main qemu_main | |
131 | #endif /* CONFIG_COCOA */ | |
132 | ||
511d2b14 BS |
133 | #include "hw/hw.h" |
134 | #include "hw/boards.h" | |
135 | #include "hw/usb.h" | |
136 | #include "hw/pcmcia.h" | |
137 | #include "hw/pc.h" | |
138 | #include "hw/audiodev.h" | |
139 | #include "hw/isa.h" | |
140 | #include "hw/baum.h" | |
141 | #include "hw/bt.h" | |
9dd986cc | 142 | #include "hw/watchdog.h" |
b6f6e3d3 | 143 | #include "hw/smbios.h" |
e37630ca | 144 | #include "hw/xen.h" |
5ef4efa4 | 145 | #include "bt-host.h" |
511d2b14 BS |
146 | #include "net.h" |
147 | #include "monitor.h" | |
148 | #include "console.h" | |
149 | #include "sysemu.h" | |
150 | #include "gdbstub.h" | |
151 | #include "qemu-timer.h" | |
152 | #include "qemu-char.h" | |
153 | #include "cache-utils.h" | |
154 | #include "block.h" | |
a718acec | 155 | #include "dma.h" |
511d2b14 BS |
156 | #include "audio/audio.h" |
157 | #include "migration.h" | |
158 | #include "kvm.h" | |
159 | #include "balloon.h" | |
d3f24367 | 160 | #include "qemu-option.h" |
511d2b14 | 161 | |
0824d6fc | 162 | #include "disas.h" |
fc01f7e7 | 163 | |
8a7ddc38 | 164 | #include "exec-all.h" |
0824d6fc | 165 | |
511d2b14 BS |
166 | #include "qemu_socket.h" |
167 | ||
168 | #if defined(CONFIG_SLIRP) | |
169 | #include "libslirp.h" | |
170 | #endif | |
171 | ||
0824d6fc | 172 | //#define DEBUG_UNUSED_IOPORT |
fd872598 | 173 | //#define DEBUG_IOPORT |
9dc63a1e BS |
174 | //#define DEBUG_NET |
175 | //#define DEBUG_SLIRP | |
330d0414 | 176 | |
d12d51d5 AL |
177 | |
178 | #ifdef DEBUG_IOPORT | |
93fcfe39 | 179 | # define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__) |
d12d51d5 AL |
180 | #else |
181 | # define LOG_IOPORT(...) do { } while (0) | |
182 | #endif | |
183 | ||
1bfe856e | 184 | #define DEFAULT_RAM_SIZE 128 |
313aa567 | 185 | |
0d92ed30 PB |
186 | /* Max number of USB devices that can be specified on the commandline. */ |
187 | #define MAX_USB_CMDLINE 8 | |
188 | ||
dc72ac14 AZ |
189 | /* Max number of bluetooth switches on the commandline. */ |
190 | #define MAX_BT_CMDLINE 10 | |
191 | ||
7dea1da4 FB |
192 | /* XXX: use a two level table to limit memory usage */ |
193 | #define MAX_IOPORTS 65536 | |
0824d6fc | 194 | |
5cea8590 | 195 | static const char *data_dir; |
1192dad8 | 196 | const char *bios_name = NULL; |
dbed7e40 BS |
197 | static void *ioport_opaque[MAX_IOPORTS]; |
198 | static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; | |
199 | static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
e4bcb14c | 200 | /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available |
faea38e7 | 201 | to store the VM snapshots */ |
e4bcb14c TS |
202 | DriveInfo drives_table[MAX_DRIVES+1]; |
203 | int nb_drives; | |
cb5a7aa8 | 204 | enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; |
3023f332 | 205 | static DisplayState *display_state; |
993fbfdb | 206 | DisplayType display_type = DT_DEFAULT; |
3d11d0eb | 207 | const char* keyboard_layout = NULL; |
313aa567 | 208 | int64_t ticks_per_sec; |
00f82b8a | 209 | ram_addr_t ram_size; |
c4b1fcc0 | 210 | int nb_nics; |
7c9d8e07 | 211 | NICInfo nd_table[MAX_NICS]; |
8a7ddc38 | 212 | int vm_running; |
c0f4ce77 | 213 | static int autostart; |
f6503059 AZ |
214 | static int rtc_utc = 1; |
215 | static int rtc_date_offset = -1; /* -1 means no change */ | |
1bfe856e | 216 | int cirrus_vga_enabled = 1; |
c2b3b41a | 217 | int std_vga_enabled = 0; |
d34cab9f | 218 | int vmsvga_enabled = 0; |
94909d9f | 219 | int xenfb_enabled = 0; |
d827220b FB |
220 | #ifdef TARGET_SPARC |
221 | int graphic_width = 1024; | |
222 | int graphic_height = 768; | |
eee0b836 | 223 | int graphic_depth = 8; |
d827220b | 224 | #else |
1bfe856e FB |
225 | int graphic_width = 800; |
226 | int graphic_height = 600; | |
e9b137c2 | 227 | int graphic_depth = 15; |
eee0b836 | 228 | #endif |
dbed7e40 | 229 | static int full_screen = 0; |
634a21f6 | 230 | #ifdef CONFIG_SDL |
dbed7e40 | 231 | static int no_frame = 0; |
634a21f6 | 232 | #endif |
667accab | 233 | int no_quit = 0; |
8d11df9e | 234 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
6508fe59 | 235 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
9ede2fde | 236 | CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; |
a09db21f FB |
237 | #ifdef TARGET_I386 |
238 | int win2k_install_hack = 0; | |
73822ec8 | 239 | int rtc_td_hack = 0; |
a09db21f | 240 | #endif |
bb36d470 | 241 | int usb_enabled = 0; |
1b530a6d | 242 | int singlestep = 0; |
6a00d601 | 243 | int smp_cpus = 1; |
73fc9742 | 244 | const char *vnc_display; |
6515b203 | 245 | int acpi_enabled = 1; |
16b29ae1 | 246 | int no_hpet = 0; |
df97b920 | 247 | int no_virtio_balloon = 0; |
52ca8d6a | 248 | int fd_bootchk = 1; |
d1beab82 | 249 | int no_reboot = 0; |
b2f76161 | 250 | int no_shutdown = 0; |
9467cd46 | 251 | int cursor_hide = 1; |
a171fe39 | 252 | int graphic_rotate = 0; |
b9e82a59 | 253 | #ifndef _WIN32 |
71e3ceb8 | 254 | int daemonize = 0; |
b9e82a59 | 255 | #endif |
9dd986cc RJ |
256 | WatchdogTimerModel *watchdog = NULL; |
257 | int watchdog_action = WDT_RESET; | |
9ae02555 TS |
258 | const char *option_rom[MAX_OPTION_ROMS]; |
259 | int nb_option_roms; | |
8e71621f | 260 | int semihosting_enabled = 0; |
2b8f2d41 AZ |
261 | #ifdef TARGET_ARM |
262 | int old_param = 0; | |
263 | #endif | |
c35734b2 | 264 | const char *qemu_name; |
3780e197 | 265 | int alt_grab = 0; |
95efd11c | 266 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
66508601 BS |
267 | unsigned int nb_prom_envs = 0; |
268 | const char *prom_envs[MAX_PROM_ENVS]; | |
269 | #endif | |
ec691c80 AL |
270 | int nb_drives_opt; |
271 | struct drive_opt drives_opt[MAX_DRIVES]; | |
0824d6fc | 272 | |
268a362c AL |
273 | int nb_numa_nodes; |
274 | uint64_t node_mem[MAX_NODES]; | |
275 | uint64_t node_cpumask[MAX_NODES]; | |
276 | ||
ee5605e5 AZ |
277 | static CPUState *cur_cpu; |
278 | static CPUState *next_cpu; | |
43b96858 | 279 | static int timer_alarm_pending = 1; |
bf20dc07 | 280 | /* Conversion factor from emulated instructions to virtual clock ticks. */ |
2e70f6ef | 281 | static int icount_time_shift; |
bf20dc07 | 282 | /* Arbitrarily pick 1MIPS as the minimum allowable speed. */ |
2e70f6ef PB |
283 | #define MAX_ICOUNT_SHIFT 10 |
284 | /* Compensate for varying guest execution speed. */ | |
285 | static int64_t qemu_icount_bias; | |
dbed7e40 BS |
286 | static QEMUTimer *icount_rt_timer; |
287 | static QEMUTimer *icount_vm_timer; | |
9043b62d | 288 | static QEMUTimer *nographic_timer; |
ee5605e5 | 289 | |
8fcb1b90 BS |
290 | uint8_t qemu_uuid[16]; |
291 | ||
0824d6fc | 292 | /***********************************************************/ |
26aa7d72 FB |
293 | /* x86 ISA bus support */ |
294 | ||
295 | target_phys_addr_t isa_mem_base = 0; | |
3de388f6 | 296 | PicState2 *isa_pic; |
0824d6fc | 297 | |
477e3edf AL |
298 | static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl; |
299 | static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel; | |
300 | ||
301 | static uint32_t ioport_read(int index, uint32_t address) | |
302 | { | |
303 | static IOPortReadFunc *default_func[3] = { | |
304 | default_ioport_readb, | |
305 | default_ioport_readw, | |
306 | default_ioport_readl | |
307 | }; | |
308 | IOPortReadFunc *func = ioport_read_table[index][address]; | |
309 | if (!func) | |
310 | func = default_func[index]; | |
311 | return func(ioport_opaque[address], address); | |
312 | } | |
313 | ||
314 | static void ioport_write(int index, uint32_t address, uint32_t data) | |
315 | { | |
316 | static IOPortWriteFunc *default_func[3] = { | |
317 | default_ioport_writeb, | |
318 | default_ioport_writew, | |
319 | default_ioport_writel | |
320 | }; | |
321 | IOPortWriteFunc *func = ioport_write_table[index][address]; | |
322 | if (!func) | |
323 | func = default_func[index]; | |
324 | func(ioport_opaque[address], address, data); | |
325 | } | |
326 | ||
9596ebb7 | 327 | static uint32_t default_ioport_readb(void *opaque, uint32_t address) |
0824d6fc FB |
328 | { |
329 | #ifdef DEBUG_UNUSED_IOPORT | |
1196be37 | 330 | fprintf(stderr, "unused inb: port=0x%04x\n", address); |
0824d6fc | 331 | #endif |
fc01f7e7 | 332 | return 0xff; |
0824d6fc FB |
333 | } |
334 | ||
9596ebb7 | 335 | static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
0824d6fc FB |
336 | { |
337 | #ifdef DEBUG_UNUSED_IOPORT | |
1196be37 | 338 | fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data); |
0824d6fc FB |
339 | #endif |
340 | } | |
341 | ||
342 | /* default is to make two byte accesses */ | |
9596ebb7 | 343 | static uint32_t default_ioport_readw(void *opaque, uint32_t address) |
0824d6fc FB |
344 | { |
345 | uint32_t data; | |
477e3edf | 346 | data = ioport_read(0, address); |
db45c29a | 347 | address = (address + 1) & (MAX_IOPORTS - 1); |
477e3edf | 348 | data |= ioport_read(0, address) << 8; |
0824d6fc FB |
349 | return data; |
350 | } | |
351 | ||
9596ebb7 | 352 | static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 353 | { |
477e3edf | 354 | ioport_write(0, address, data & 0xff); |
db45c29a | 355 | address = (address + 1) & (MAX_IOPORTS - 1); |
477e3edf | 356 | ioport_write(0, address, (data >> 8) & 0xff); |
0824d6fc FB |
357 | } |
358 | ||
9596ebb7 | 359 | static uint32_t default_ioport_readl(void *opaque, uint32_t address) |
0824d6fc | 360 | { |
fc01f7e7 | 361 | #ifdef DEBUG_UNUSED_IOPORT |
1196be37 | 362 | fprintf(stderr, "unused inl: port=0x%04x\n", address); |
fc01f7e7 FB |
363 | #endif |
364 | return 0xffffffff; | |
0824d6fc FB |
365 | } |
366 | ||
9596ebb7 | 367 | static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 368 | { |
fc01f7e7 | 369 | #ifdef DEBUG_UNUSED_IOPORT |
1196be37 | 370 | fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data); |
fc01f7e7 | 371 | #endif |
0824d6fc FB |
372 | } |
373 | ||
fc01f7e7 | 374 | /* size is the word size in byte */ |
5fafdf24 | 375 | int register_ioport_read(int start, int length, int size, |
c4b1fcc0 | 376 | IOPortReadFunc *func, void *opaque) |
f1510b2c | 377 | { |
fc01f7e7 | 378 | int i, bsize; |
f1510b2c | 379 | |
c4b1fcc0 | 380 | if (size == 1) { |
fc01f7e7 | 381 | bsize = 0; |
c4b1fcc0 | 382 | } else if (size == 2) { |
fc01f7e7 | 383 | bsize = 1; |
c4b1fcc0 | 384 | } else if (size == 4) { |
fc01f7e7 | 385 | bsize = 2; |
c4b1fcc0 | 386 | } else { |
88fdf56f | 387 | hw_error("register_ioport_read: invalid size"); |
fc01f7e7 | 388 | return -1; |
c4b1fcc0 FB |
389 | } |
390 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 391 | ioport_read_table[bsize][i] = func; |
c4b1fcc0 | 392 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
88fdf56f | 393 | hw_error("register_ioport_read: invalid opaque"); |
c4b1fcc0 FB |
394 | ioport_opaque[i] = opaque; |
395 | } | |
f1510b2c FB |
396 | return 0; |
397 | } | |
398 | ||
fc01f7e7 | 399 | /* size is the word size in byte */ |
5fafdf24 | 400 | int register_ioport_write(int start, int length, int size, |
c4b1fcc0 | 401 | IOPortWriteFunc *func, void *opaque) |
f1510b2c | 402 | { |
fc01f7e7 | 403 | int i, bsize; |
f1510b2c | 404 | |
c4b1fcc0 | 405 | if (size == 1) { |
fc01f7e7 | 406 | bsize = 0; |
c4b1fcc0 | 407 | } else if (size == 2) { |
fc01f7e7 | 408 | bsize = 1; |
c4b1fcc0 | 409 | } else if (size == 4) { |
fc01f7e7 | 410 | bsize = 2; |
c4b1fcc0 | 411 | } else { |
88fdf56f | 412 | hw_error("register_ioport_write: invalid size"); |
fc01f7e7 | 413 | return -1; |
c4b1fcc0 FB |
414 | } |
415 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 416 | ioport_write_table[bsize][i] = func; |
88fdf56f AZ |
417 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
418 | hw_error("register_ioport_write: invalid opaque"); | |
c4b1fcc0 FB |
419 | ioport_opaque[i] = opaque; |
420 | } | |
f1510b2c FB |
421 | return 0; |
422 | } | |
423 | ||
69b91039 FB |
424 | void isa_unassign_ioport(int start, int length) |
425 | { | |
426 | int i; | |
427 | ||
428 | for(i = start; i < start + length; i++) { | |
429 | ioport_read_table[0][i] = default_ioport_readb; | |
430 | ioport_read_table[1][i] = default_ioport_readw; | |
431 | ioport_read_table[2][i] = default_ioport_readl; | |
432 | ||
433 | ioport_write_table[0][i] = default_ioport_writeb; | |
434 | ioport_write_table[1][i] = default_ioport_writew; | |
435 | ioport_write_table[2][i] = default_ioport_writel; | |
a7607f7e AL |
436 | |
437 | ioport_opaque[i] = NULL; | |
69b91039 FB |
438 | } |
439 | } | |
440 | ||
20f32282 FB |
441 | /***********************************************************/ |
442 | ||
c45886db | 443 | void cpu_outb(CPUState *env, int addr, int val) |
0824d6fc | 444 | { |
d12d51d5 | 445 | LOG_IOPORT("outb: %04x %02x\n", addr, val); |
477e3edf | 446 | ioport_write(0, addr, val); |
640f42e4 | 447 | #ifdef CONFIG_KQEMU |
89bfc105 FB |
448 | if (env) |
449 | env->last_io_time = cpu_get_time_fast(); | |
450 | #endif | |
0824d6fc FB |
451 | } |
452 | ||
c45886db | 453 | void cpu_outw(CPUState *env, int addr, int val) |
0824d6fc | 454 | { |
d12d51d5 | 455 | LOG_IOPORT("outw: %04x %04x\n", addr, val); |
477e3edf | 456 | ioport_write(1, addr, val); |
640f42e4 | 457 | #ifdef CONFIG_KQEMU |
89bfc105 FB |
458 | if (env) |
459 | env->last_io_time = cpu_get_time_fast(); | |
460 | #endif | |
0824d6fc FB |
461 | } |
462 | ||
c45886db | 463 | void cpu_outl(CPUState *env, int addr, int val) |
0824d6fc | 464 | { |
d12d51d5 | 465 | LOG_IOPORT("outl: %04x %08x\n", addr, val); |
477e3edf | 466 | ioport_write(2, addr, val); |
640f42e4 | 467 | #ifdef CONFIG_KQEMU |
89bfc105 FB |
468 | if (env) |
469 | env->last_io_time = cpu_get_time_fast(); | |
470 | #endif | |
0824d6fc FB |
471 | } |
472 | ||
c45886db | 473 | int cpu_inb(CPUState *env, int addr) |
0824d6fc | 474 | { |
fd872598 | 475 | int val; |
477e3edf | 476 | val = ioport_read(0, addr); |
d12d51d5 | 477 | LOG_IOPORT("inb : %04x %02x\n", addr, val); |
640f42e4 | 478 | #ifdef CONFIG_KQEMU |
89bfc105 FB |
479 | if (env) |
480 | env->last_io_time = cpu_get_time_fast(); | |
fd872598 FB |
481 | #endif |
482 | return val; | |
0824d6fc FB |
483 | } |
484 | ||
c45886db | 485 | int cpu_inw(CPUState *env, int addr) |
0824d6fc | 486 | { |
fd872598 | 487 | int val; |
477e3edf | 488 | val = ioport_read(1, addr); |
d12d51d5 | 489 | LOG_IOPORT("inw : %04x %04x\n", addr, val); |
640f42e4 | 490 | #ifdef CONFIG_KQEMU |
89bfc105 FB |
491 | if (env) |
492 | env->last_io_time = cpu_get_time_fast(); | |
fd872598 FB |
493 | #endif |
494 | return val; | |
0824d6fc FB |
495 | } |
496 | ||
c45886db | 497 | int cpu_inl(CPUState *env, int addr) |
0824d6fc | 498 | { |
fd872598 | 499 | int val; |
477e3edf | 500 | val = ioport_read(2, addr); |
d12d51d5 | 501 | LOG_IOPORT("inl : %04x %08x\n", addr, val); |
640f42e4 | 502 | #ifdef CONFIG_KQEMU |
89bfc105 FB |
503 | if (env) |
504 | env->last_io_time = cpu_get_time_fast(); | |
fd872598 FB |
505 | #endif |
506 | return val; | |
0824d6fc FB |
507 | } |
508 | ||
509 | /***********************************************************/ | |
0824d6fc FB |
510 | void hw_error(const char *fmt, ...) |
511 | { | |
512 | va_list ap; | |
6a00d601 | 513 | CPUState *env; |
0824d6fc FB |
514 | |
515 | va_start(ap, fmt); | |
516 | fprintf(stderr, "qemu: hardware error: "); | |
517 | vfprintf(stderr, fmt, ap); | |
518 | fprintf(stderr, "\n"); | |
6a00d601 FB |
519 | for(env = first_cpu; env != NULL; env = env->next_cpu) { |
520 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
0824d6fc | 521 | #ifdef TARGET_I386 |
6a00d601 | 522 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); |
c45886db | 523 | #else |
6a00d601 | 524 | cpu_dump_state(env, stderr, fprintf, 0); |
0824d6fc | 525 | #endif |
6a00d601 | 526 | } |
0824d6fc FB |
527 | va_end(ap); |
528 | abort(); | |
529 | } | |
df751fa8 AL |
530 | |
531 | /***************/ | |
532 | /* ballooning */ | |
533 | ||
534 | static QEMUBalloonEvent *qemu_balloon_event; | |
535 | void *qemu_balloon_event_opaque; | |
536 | ||
537 | void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) | |
538 | { | |
539 | qemu_balloon_event = func; | |
540 | qemu_balloon_event_opaque = opaque; | |
541 | } | |
542 | ||
543 | void qemu_balloon(ram_addr_t target) | |
544 | { | |
545 | if (qemu_balloon_event) | |
546 | qemu_balloon_event(qemu_balloon_event_opaque, target); | |
547 | } | |
548 | ||
549 | ram_addr_t qemu_balloon_status(void) | |
550 | { | |
551 | if (qemu_balloon_event) | |
552 | return qemu_balloon_event(qemu_balloon_event_opaque, 0); | |
553 | return 0; | |
554 | } | |
0824d6fc | 555 | |
63066f4f FB |
556 | /***********************************************************/ |
557 | /* keyboard/mouse */ | |
558 | ||
559 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
560 | static void *qemu_put_kbd_event_opaque; | |
455204eb TS |
561 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; |
562 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; | |
63066f4f FB |
563 | |
564 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
565 | { | |
566 | qemu_put_kbd_event_opaque = opaque; | |
567 | qemu_put_kbd_event = func; | |
568 | } | |
569 | ||
455204eb TS |
570 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, |
571 | void *opaque, int absolute, | |
572 | const char *name) | |
63066f4f | 573 | { |
455204eb TS |
574 | QEMUPutMouseEntry *s, *cursor; |
575 | ||
576 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); | |
455204eb TS |
577 | |
578 | s->qemu_put_mouse_event = func; | |
579 | s->qemu_put_mouse_event_opaque = opaque; | |
580 | s->qemu_put_mouse_event_absolute = absolute; | |
581 | s->qemu_put_mouse_event_name = qemu_strdup(name); | |
582 | s->next = NULL; | |
583 | ||
584 | if (!qemu_put_mouse_event_head) { | |
585 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; | |
586 | return s; | |
587 | } | |
588 | ||
589 | cursor = qemu_put_mouse_event_head; | |
590 | while (cursor->next != NULL) | |
591 | cursor = cursor->next; | |
592 | ||
593 | cursor->next = s; | |
594 | qemu_put_mouse_event_current = s; | |
595 | ||
596 | return s; | |
597 | } | |
598 | ||
599 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) | |
600 | { | |
601 | QEMUPutMouseEntry *prev = NULL, *cursor; | |
602 | ||
603 | if (!qemu_put_mouse_event_head || entry == NULL) | |
604 | return; | |
605 | ||
606 | cursor = qemu_put_mouse_event_head; | |
607 | while (cursor != NULL && cursor != entry) { | |
608 | prev = cursor; | |
609 | cursor = cursor->next; | |
610 | } | |
611 | ||
612 | if (cursor == NULL) // does not exist or list empty | |
613 | return; | |
614 | else if (prev == NULL) { // entry is head | |
615 | qemu_put_mouse_event_head = cursor->next; | |
616 | if (qemu_put_mouse_event_current == entry) | |
617 | qemu_put_mouse_event_current = cursor->next; | |
618 | qemu_free(entry->qemu_put_mouse_event_name); | |
619 | qemu_free(entry); | |
620 | return; | |
621 | } | |
622 | ||
623 | prev->next = entry->next; | |
624 | ||
625 | if (qemu_put_mouse_event_current == entry) | |
626 | qemu_put_mouse_event_current = prev; | |
627 | ||
628 | qemu_free(entry->qemu_put_mouse_event_name); | |
629 | qemu_free(entry); | |
63066f4f FB |
630 | } |
631 | ||
632 | void kbd_put_keycode(int keycode) | |
633 | { | |
634 | if (qemu_put_kbd_event) { | |
635 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
636 | } | |
637 | } | |
638 | ||
639 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
640 | { | |
455204eb TS |
641 | QEMUPutMouseEvent *mouse_event; |
642 | void *mouse_event_opaque; | |
a171fe39 | 643 | int width; |
455204eb TS |
644 | |
645 | if (!qemu_put_mouse_event_current) { | |
646 | return; | |
647 | } | |
648 | ||
649 | mouse_event = | |
650 | qemu_put_mouse_event_current->qemu_put_mouse_event; | |
651 | mouse_event_opaque = | |
652 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; | |
653 | ||
654 | if (mouse_event) { | |
a171fe39 AZ |
655 | if (graphic_rotate) { |
656 | if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) | |
657 | width = 0x7fff; | |
658 | else | |
b94ed577 | 659 | width = graphic_width - 1; |
a171fe39 AZ |
660 | mouse_event(mouse_event_opaque, |
661 | width - dy, dx, dz, buttons_state); | |
662 | } else | |
663 | mouse_event(mouse_event_opaque, | |
664 | dx, dy, dz, buttons_state); | |
63066f4f FB |
665 | } |
666 | } | |
667 | ||
09b26c5e FB |
668 | int kbd_mouse_is_absolute(void) |
669 | { | |
455204eb TS |
670 | if (!qemu_put_mouse_event_current) |
671 | return 0; | |
672 | ||
673 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; | |
674 | } | |
675 | ||
376253ec | 676 | void do_info_mice(Monitor *mon) |
455204eb TS |
677 | { |
678 | QEMUPutMouseEntry *cursor; | |
679 | int index = 0; | |
680 | ||
681 | if (!qemu_put_mouse_event_head) { | |
376253ec | 682 | monitor_printf(mon, "No mouse devices connected\n"); |
455204eb TS |
683 | return; |
684 | } | |
685 | ||
376253ec | 686 | monitor_printf(mon, "Mouse devices available:\n"); |
455204eb TS |
687 | cursor = qemu_put_mouse_event_head; |
688 | while (cursor != NULL) { | |
376253ec AL |
689 | monitor_printf(mon, "%c Mouse #%d: %s\n", |
690 | (cursor == qemu_put_mouse_event_current ? '*' : ' '), | |
691 | index, cursor->qemu_put_mouse_event_name); | |
455204eb TS |
692 | index++; |
693 | cursor = cursor->next; | |
694 | } | |
695 | } | |
696 | ||
376253ec | 697 | void do_mouse_set(Monitor *mon, int index) |
455204eb TS |
698 | { |
699 | QEMUPutMouseEntry *cursor; | |
700 | int i = 0; | |
701 | ||
702 | if (!qemu_put_mouse_event_head) { | |
376253ec | 703 | monitor_printf(mon, "No mouse devices connected\n"); |
455204eb TS |
704 | return; |
705 | } | |
706 | ||
707 | cursor = qemu_put_mouse_event_head; | |
708 | while (cursor != NULL && index != i) { | |
709 | i++; | |
710 | cursor = cursor->next; | |
711 | } | |
712 | ||
713 | if (cursor != NULL) | |
714 | qemu_put_mouse_event_current = cursor; | |
715 | else | |
376253ec | 716 | monitor_printf(mon, "Mouse at given index not found\n"); |
09b26c5e FB |
717 | } |
718 | ||
1dce7c3c FB |
719 | /* compute with 96 bit intermediate result: (a*b)/c */ |
720 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
0824d6fc | 721 | { |
1dce7c3c FB |
722 | union { |
723 | uint64_t ll; | |
724 | struct { | |
725 | #ifdef WORDS_BIGENDIAN | |
726 | uint32_t high, low; | |
727 | #else | |
728 | uint32_t low, high; | |
3b46e624 | 729 | #endif |
1dce7c3c FB |
730 | } l; |
731 | } u, res; | |
732 | uint64_t rl, rh; | |
0824d6fc | 733 | |
1dce7c3c FB |
734 | u.ll = a; |
735 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
736 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
737 | rh += (rl >> 32); | |
738 | res.l.high = rh / c; | |
739 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
740 | return res.ll; | |
34865134 FB |
741 | } |
742 | ||
1dce7c3c FB |
743 | /***********************************************************/ |
744 | /* real time host monotonic timer */ | |
34865134 | 745 | |
1dce7c3c | 746 | #define QEMU_TIMER_BASE 1000000000LL |
34865134 | 747 | |
1dce7c3c | 748 | #ifdef WIN32 |
0824d6fc | 749 | |
1dce7c3c | 750 | static int64_t clock_freq; |
1115dde7 | 751 | |
1dce7c3c | 752 | static void init_get_clock(void) |
1115dde7 | 753 | { |
a8e5ac33 FB |
754 | LARGE_INTEGER freq; |
755 | int ret; | |
1dce7c3c FB |
756 | ret = QueryPerformanceFrequency(&freq); |
757 | if (ret == 0) { | |
758 | fprintf(stderr, "Could not calibrate ticks\n"); | |
759 | exit(1); | |
760 | } | |
761 | clock_freq = freq.QuadPart; | |
1115dde7 FB |
762 | } |
763 | ||
1dce7c3c | 764 | static int64_t get_clock(void) |
b8076a74 | 765 | { |
1dce7c3c FB |
766 | LARGE_INTEGER ti; |
767 | QueryPerformanceCounter(&ti); | |
768 | return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq); | |
b8076a74 FB |
769 | } |
770 | ||
1dce7c3c | 771 | #else |
90cb9493 | 772 | |
1dce7c3c FB |
773 | static int use_rt_clock; |
774 | ||
775 | static void init_get_clock(void) | |
90cb9493 | 776 | { |
1dce7c3c | 777 | use_rt_clock = 0; |
c5e97233 BS |
778 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
779 | || defined(__DragonFly__) | |
1dce7c3c FB |
780 | { |
781 | struct timespec ts; | |
782 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { | |
783 | use_rt_clock = 1; | |
784 | } | |
785 | } | |
786 | #endif | |
90cb9493 FB |
787 | } |
788 | ||
1dce7c3c | 789 | static int64_t get_clock(void) |
fdbb4691 | 790 | { |
c5e97233 BS |
791 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \ |
792 | || defined(__DragonFly__) | |
1dce7c3c FB |
793 | if (use_rt_clock) { |
794 | struct timespec ts; | |
795 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
796 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; | |
5fafdf24 | 797 | } else |
fdbb4691 | 798 | #endif |
1dce7c3c FB |
799 | { |
800 | /* XXX: using gettimeofday leads to problems if the date | |
801 | changes, so it should be avoided. */ | |
802 | struct timeval tv; | |
803 | gettimeofday(&tv, NULL); | |
804 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); | |
805 | } | |
fdbb4691 | 806 | } |
34865134 FB |
807 | #endif |
808 | ||
2e70f6ef PB |
809 | /* Return the virtual CPU time, based on the instruction counter. */ |
810 | static int64_t cpu_get_icount(void) | |
811 | { | |
812 | int64_t icount; | |
813 | CPUState *env = cpu_single_env;; | |
814 | icount = qemu_icount; | |
815 | if (env) { | |
816 | if (!can_do_io(env)) | |
817 | fprintf(stderr, "Bad clock read\n"); | |
818 | icount -= (env->icount_decr.u16.low + env->icount_extra); | |
819 | } | |
820 | return qemu_icount_bias + (icount << icount_time_shift); | |
821 | } | |
822 | ||
1dce7c3c FB |
823 | /***********************************************************/ |
824 | /* guest cycle counter */ | |
825 | ||
eade0f19 | 826 | static int64_t cpu_ticks_prev; |
34865134 | 827 | static int64_t cpu_ticks_offset; |
1dce7c3c | 828 | static int64_t cpu_clock_offset; |
8a7ddc38 | 829 | static int cpu_ticks_enabled; |
34865134 | 830 | |
1dce7c3c FB |
831 | /* return the host CPU cycle counter and handle stop/restart */ |
832 | int64_t cpu_get_ticks(void) | |
34865134 | 833 | { |
2e70f6ef PB |
834 | if (use_icount) { |
835 | return cpu_get_icount(); | |
836 | } | |
8a7ddc38 FB |
837 | if (!cpu_ticks_enabled) { |
838 | return cpu_ticks_offset; | |
839 | } else { | |
eade0f19 FB |
840 | int64_t ticks; |
841 | ticks = cpu_get_real_ticks(); | |
842 | if (cpu_ticks_prev > ticks) { | |
843 | /* Note: non increasing ticks may happen if the host uses | |
844 | software suspend */ | |
845 | cpu_ticks_offset += cpu_ticks_prev - ticks; | |
846 | } | |
847 | cpu_ticks_prev = ticks; | |
848 | return ticks + cpu_ticks_offset; | |
8a7ddc38 | 849 | } |
34865134 FB |
850 | } |
851 | ||
1dce7c3c FB |
852 | /* return the host CPU monotonic timer and handle stop/restart */ |
853 | static int64_t cpu_get_clock(void) | |
854 | { | |
855 | int64_t ti; | |
856 | if (!cpu_ticks_enabled) { | |
857 | return cpu_clock_offset; | |
858 | } else { | |
859 | ti = get_clock(); | |
860 | return ti + cpu_clock_offset; | |
861 | } | |
862 | } | |
863 | ||
34865134 FB |
864 | /* enable cpu_get_ticks() */ |
865 | void cpu_enable_ticks(void) | |
866 | { | |
8a7ddc38 FB |
867 | if (!cpu_ticks_enabled) { |
868 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
1dce7c3c | 869 | cpu_clock_offset -= get_clock(); |
8a7ddc38 FB |
870 | cpu_ticks_enabled = 1; |
871 | } | |
34865134 FB |
872 | } |
873 | ||
874 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
875 | cpu_get_ticks() after that. */ | |
876 | void cpu_disable_ticks(void) | |
877 | { | |
8a7ddc38 FB |
878 | if (cpu_ticks_enabled) { |
879 | cpu_ticks_offset = cpu_get_ticks(); | |
1dce7c3c | 880 | cpu_clock_offset = cpu_get_clock(); |
8a7ddc38 FB |
881 | cpu_ticks_enabled = 0; |
882 | } | |
34865134 FB |
883 | } |
884 | ||
1dce7c3c FB |
885 | /***********************************************************/ |
886 | /* timers */ | |
5fafdf24 | 887 | |
8a7ddc38 FB |
888 | #define QEMU_TIMER_REALTIME 0 |
889 | #define QEMU_TIMER_VIRTUAL 1 | |
890 | ||
891 | struct QEMUClock { | |
892 | int type; | |
893 | /* XXX: add frequency */ | |
894 | }; | |
895 | ||
896 | struct QEMUTimer { | |
897 | QEMUClock *clock; | |
898 | int64_t expire_time; | |
899 | QEMUTimerCB *cb; | |
900 | void *opaque; | |
901 | struct QEMUTimer *next; | |
902 | }; | |
903 | ||
c8994013 TS |
904 | struct qemu_alarm_timer { |
905 | char const *name; | |
efe75411 | 906 | unsigned int flags; |
c8994013 TS |
907 | |
908 | int (*start)(struct qemu_alarm_timer *t); | |
909 | void (*stop)(struct qemu_alarm_timer *t); | |
efe75411 | 910 | void (*rearm)(struct qemu_alarm_timer *t); |
c8994013 TS |
911 | void *priv; |
912 | }; | |
913 | ||
efe75411 | 914 | #define ALARM_FLAG_DYNTICKS 0x1 |
d5d08334 | 915 | #define ALARM_FLAG_EXPIRED 0x2 |
efe75411 TS |
916 | |
917 | static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) | |
918 | { | |
e332340a | 919 | return t && (t->flags & ALARM_FLAG_DYNTICKS); |
efe75411 TS |
920 | } |
921 | ||
922 | static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) | |
923 | { | |
924 | if (!alarm_has_dynticks(t)) | |
925 | return; | |
926 | ||
927 | t->rearm(t); | |
928 | } | |
929 | ||
930 | /* TODO: MIN_TIMER_REARM_US should be optimized */ | |
931 | #define MIN_TIMER_REARM_US 250 | |
932 | ||
c8994013 | 933 | static struct qemu_alarm_timer *alarm_timer; |
8a7ddc38 | 934 | |
40c3bac3 | 935 | #ifdef _WIN32 |
c8994013 TS |
936 | |
937 | struct qemu_alarm_win32 { | |
938 | MMRESULT timerId; | |
c8994013 | 939 | unsigned int period; |
ef28c4b0 | 940 | } alarm_win32_data = {0, -1}; |
c8994013 TS |
941 | |
942 | static int win32_start_timer(struct qemu_alarm_timer *t); | |
943 | static void win32_stop_timer(struct qemu_alarm_timer *t); | |
efe75411 | 944 | static void win32_rearm_timer(struct qemu_alarm_timer *t); |
c8994013 | 945 | |
40c3bac3 | 946 | #else |
c8994013 TS |
947 | |
948 | static int unix_start_timer(struct qemu_alarm_timer *t); | |
949 | static void unix_stop_timer(struct qemu_alarm_timer *t); | |
950 | ||
231c6586 TS |
951 | #ifdef __linux__ |
952 | ||
efe75411 TS |
953 | static int dynticks_start_timer(struct qemu_alarm_timer *t); |
954 | static void dynticks_stop_timer(struct qemu_alarm_timer *t); | |
955 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t); | |
956 | ||
c40ec5a9 TS |
957 | static int hpet_start_timer(struct qemu_alarm_timer *t); |
958 | static void hpet_stop_timer(struct qemu_alarm_timer *t); | |
959 | ||
c8994013 TS |
960 | static int rtc_start_timer(struct qemu_alarm_timer *t); |
961 | static void rtc_stop_timer(struct qemu_alarm_timer *t); | |
962 | ||
efe75411 | 963 | #endif /* __linux__ */ |
8a7ddc38 | 964 | |
c8994013 TS |
965 | #endif /* _WIN32 */ |
966 | ||
2e70f6ef | 967 | /* Correlation between real and virtual time is always going to be |
bf20dc07 | 968 | fairly approximate, so ignore small variation. |
2e70f6ef PB |
969 | When the guest is idle real and virtual time will be aligned in |
970 | the IO wait loop. */ | |
971 | #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10) | |
972 | ||
973 | static void icount_adjust(void) | |
974 | { | |
975 | int64_t cur_time; | |
976 | int64_t cur_icount; | |
977 | int64_t delta; | |
978 | static int64_t last_delta; | |
979 | /* If the VM is not running, then do nothing. */ | |
980 | if (!vm_running) | |
981 | return; | |
982 | ||
983 | cur_time = cpu_get_clock(); | |
984 | cur_icount = qemu_get_clock(vm_clock); | |
985 | delta = cur_icount - cur_time; | |
986 | /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ | |
987 | if (delta > 0 | |
988 | && last_delta + ICOUNT_WOBBLE < delta * 2 | |
989 | && icount_time_shift > 0) { | |
990 | /* The guest is getting too far ahead. Slow time down. */ | |
991 | icount_time_shift--; | |
992 | } | |
993 | if (delta < 0 | |
994 | && last_delta - ICOUNT_WOBBLE > delta * 2 | |
995 | && icount_time_shift < MAX_ICOUNT_SHIFT) { | |
996 | /* The guest is getting too far behind. Speed time up. */ | |
997 | icount_time_shift++; | |
998 | } | |
999 | last_delta = delta; | |
1000 | qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); | |
1001 | } | |
1002 | ||
1003 | static void icount_adjust_rt(void * opaque) | |
1004 | { | |
1005 | qemu_mod_timer(icount_rt_timer, | |
1006 | qemu_get_clock(rt_clock) + 1000); | |
1007 | icount_adjust(); | |
1008 | } | |
1009 | ||
1010 | static void icount_adjust_vm(void * opaque) | |
1011 | { | |
1012 | qemu_mod_timer(icount_vm_timer, | |
1013 | qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10); | |
1014 | icount_adjust(); | |
1015 | } | |
1016 | ||
1017 | static void init_icount_adjust(void) | |
1018 | { | |
1019 | /* Have both realtime and virtual time triggers for speed adjustment. | |
1020 | The realtime trigger catches emulated time passing too slowly, | |
1021 | the virtual time trigger catches emulated time passing too fast. | |
1022 | Realtime triggers occur even when idle, so use them less frequently | |
1023 | than VM triggers. */ | |
1024 | icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); | |
1025 | qemu_mod_timer(icount_rt_timer, | |
1026 | qemu_get_clock(rt_clock) + 1000); | |
1027 | icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); | |
1028 | qemu_mod_timer(icount_vm_timer, | |
1029 | qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10); | |
1030 | } | |
1031 | ||
c8994013 | 1032 | static struct qemu_alarm_timer alarm_timers[] = { |
efe75411 | 1033 | #ifndef _WIN32 |
231c6586 | 1034 | #ifdef __linux__ |
efe75411 TS |
1035 | {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, |
1036 | dynticks_stop_timer, dynticks_rearm_timer, NULL}, | |
c40ec5a9 | 1037 | /* HPET - if available - is preferred */ |
efe75411 | 1038 | {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, |
c40ec5a9 | 1039 | /* ...otherwise try RTC */ |
efe75411 | 1040 | {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, |
c8994013 | 1041 | #endif |
efe75411 | 1042 | {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, |
c8994013 | 1043 | #else |
efe75411 TS |
1044 | {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, |
1045 | win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, | |
1046 | {"win32", 0, win32_start_timer, | |
1047 | win32_stop_timer, NULL, &alarm_win32_data}, | |
c8994013 TS |
1048 | #endif |
1049 | {NULL, } | |
1050 | }; | |
1051 | ||
3f47aa8c | 1052 | static void show_available_alarms(void) |
f3dcfada TS |
1053 | { |
1054 | int i; | |
1055 | ||
1056 | printf("Available alarm timers, in order of precedence:\n"); | |
1057 | for (i = 0; alarm_timers[i].name; i++) | |
1058 | printf("%s\n", alarm_timers[i].name); | |
1059 | } | |
1060 | ||
1061 | static void configure_alarms(char const *opt) | |
1062 | { | |
1063 | int i; | |
1064 | int cur = 0; | |
b1503cda | 1065 | int count = ARRAY_SIZE(alarm_timers) - 1; |
f3dcfada TS |
1066 | char *arg; |
1067 | char *name; | |
2e70f6ef | 1068 | struct qemu_alarm_timer tmp; |
f3dcfada | 1069 | |
3adda04c | 1070 | if (!strcmp(opt, "?")) { |
f3dcfada TS |
1071 | show_available_alarms(); |
1072 | exit(0); | |
1073 | } | |
1074 | ||
1075 | arg = strdup(opt); | |
1076 | ||
1077 | /* Reorder the array */ | |
1078 | name = strtok(arg, ","); | |
1079 | while (name) { | |
e2b577e5 | 1080 | for (i = 0; i < count && alarm_timers[i].name; i++) { |
f3dcfada TS |
1081 | if (!strcmp(alarm_timers[i].name, name)) |
1082 | break; | |
1083 | } | |
1084 | ||
1085 | if (i == count) { | |
1086 | fprintf(stderr, "Unknown clock %s\n", name); | |
1087 | goto next; | |
1088 | } | |
1089 | ||
1090 | if (i < cur) | |
1091 | /* Ignore */ | |
1092 | goto next; | |
1093 | ||
1094 | /* Swap */ | |
1095 | tmp = alarm_timers[i]; | |
1096 | alarm_timers[i] = alarm_timers[cur]; | |
1097 | alarm_timers[cur] = tmp; | |
1098 | ||
1099 | cur++; | |
1100 | next: | |
1101 | name = strtok(NULL, ","); | |
1102 | } | |
1103 | ||
1104 | free(arg); | |
1105 | ||
1106 | if (cur) { | |
2e70f6ef | 1107 | /* Disable remaining timers */ |
f3dcfada TS |
1108 | for (i = cur; i < count; i++) |
1109 | alarm_timers[i].name = NULL; | |
3adda04c AJ |
1110 | } else { |
1111 | show_available_alarms(); | |
1112 | exit(1); | |
f3dcfada | 1113 | } |
f3dcfada TS |
1114 | } |
1115 | ||
c8994013 TS |
1116 | QEMUClock *rt_clock; |
1117 | QEMUClock *vm_clock; | |
1118 | ||
1119 | static QEMUTimer *active_timers[2]; | |
1120 | ||
9596ebb7 | 1121 | static QEMUClock *qemu_new_clock(int type) |
8a7ddc38 FB |
1122 | { |
1123 | QEMUClock *clock; | |
1124 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
8a7ddc38 FB |
1125 | clock->type = type; |
1126 | return clock; | |
1127 | } | |
1128 | ||
1129 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
1130 | { | |
1131 | QEMUTimer *ts; | |
1132 | ||
1133 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
1134 | ts->clock = clock; | |
1135 | ts->cb = cb; | |
1136 | ts->opaque = opaque; | |
1137 | return ts; | |
1138 | } | |
1139 | ||
1140 | void qemu_free_timer(QEMUTimer *ts) | |
1141 | { | |
1142 | qemu_free(ts); | |
1143 | } | |
1144 | ||
1145 | /* stop a timer, but do not dealloc it */ | |
1146 | void qemu_del_timer(QEMUTimer *ts) | |
1147 | { | |
1148 | QEMUTimer **pt, *t; | |
1149 | ||
1150 | /* NOTE: this code must be signal safe because | |
1151 | qemu_timer_expired() can be called from a signal. */ | |
1152 | pt = &active_timers[ts->clock->type]; | |
1153 | for(;;) { | |
1154 | t = *pt; | |
1155 | if (!t) | |
1156 | break; | |
1157 | if (t == ts) { | |
1158 | *pt = t->next; | |
1159 | break; | |
1160 | } | |
1161 | pt = &t->next; | |
1162 | } | |
1163 | } | |
1164 | ||
1165 | /* modify the current timer so that it will be fired when current_time | |
1166 | >= expire_time. The corresponding callback will be called. */ | |
1167 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
1168 | { | |
1169 | QEMUTimer **pt, *t; | |
1170 | ||
1171 | qemu_del_timer(ts); | |
1172 | ||
1173 | /* add the timer in the sorted list */ | |
1174 | /* NOTE: this code must be signal safe because | |
1175 | qemu_timer_expired() can be called from a signal. */ | |
1176 | pt = &active_timers[ts->clock->type]; | |
1177 | for(;;) { | |
1178 | t = *pt; | |
1179 | if (!t) | |
1180 | break; | |
5fafdf24 | 1181 | if (t->expire_time > expire_time) |
8a7ddc38 FB |
1182 | break; |
1183 | pt = &t->next; | |
1184 | } | |
1185 | ts->expire_time = expire_time; | |
1186 | ts->next = *pt; | |
1187 | *pt = ts; | |
d5d08334 AZ |
1188 | |
1189 | /* Rearm if necessary */ | |
2e70f6ef PB |
1190 | if (pt == &active_timers[ts->clock->type]) { |
1191 | if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { | |
1192 | qemu_rearm_alarm_timer(alarm_timer); | |
1193 | } | |
1194 | /* Interrupt execution to force deadline recalculation. */ | |
d9f75a4e AL |
1195 | if (use_icount) |
1196 | qemu_notify_event(); | |
2e70f6ef | 1197 | } |
8a7ddc38 FB |
1198 | } |
1199 | ||
1200 | int qemu_timer_pending(QEMUTimer *ts) | |
1201 | { | |
1202 | QEMUTimer *t; | |
1203 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
1204 | if (t == ts) | |
1205 | return 1; | |
1206 | } | |
1207 | return 0; | |
1208 | } | |
1209 | ||
1210 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
1211 | { | |
1212 | if (!timer_head) | |
1213 | return 0; | |
1214 | return (timer_head->expire_time <= current_time); | |
1215 | } | |
1216 | ||
1217 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
1218 | { | |
1219 | QEMUTimer *ts; | |
3b46e624 | 1220 | |
8a7ddc38 FB |
1221 | for(;;) { |
1222 | ts = *ptimer_head; | |
e95c8d51 | 1223 | if (!ts || ts->expire_time > current_time) |
8a7ddc38 FB |
1224 | break; |
1225 | /* remove timer from the list before calling the callback */ | |
1226 | *ptimer_head = ts->next; | |
1227 | ts->next = NULL; | |
3b46e624 | 1228 | |
8a7ddc38 FB |
1229 | /* run the callback (the timer list can be modified) */ |
1230 | ts->cb(ts->opaque); | |
1231 | } | |
1232 | } | |
1233 | ||
1234 | int64_t qemu_get_clock(QEMUClock *clock) | |
1235 | { | |
1236 | switch(clock->type) { | |
1237 | case QEMU_TIMER_REALTIME: | |
1dce7c3c | 1238 | return get_clock() / 1000000; |
8a7ddc38 FB |
1239 | default: |
1240 | case QEMU_TIMER_VIRTUAL: | |
2e70f6ef PB |
1241 | if (use_icount) { |
1242 | return cpu_get_icount(); | |
1243 | } else { | |
1244 | return cpu_get_clock(); | |
1245 | } | |
8a7ddc38 FB |
1246 | } |
1247 | } | |
1248 | ||
1dce7c3c FB |
1249 | static void init_timers(void) |
1250 | { | |
1251 | init_get_clock(); | |
1252 | ticks_per_sec = QEMU_TIMER_BASE; | |
1253 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); | |
1254 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
1255 | } | |
1256 | ||
8a7ddc38 FB |
1257 | /* save a timer */ |
1258 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
1259 | { | |
1260 | uint64_t expire_time; | |
1261 | ||
1262 | if (qemu_timer_pending(ts)) { | |
1263 | expire_time = ts->expire_time; | |
1264 | } else { | |
1265 | expire_time = -1; | |
1266 | } | |
1267 | qemu_put_be64(f, expire_time); | |
1268 | } | |
1269 | ||
1270 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
1271 | { | |
1272 | uint64_t expire_time; | |
1273 | ||
1274 | expire_time = qemu_get_be64(f); | |
1275 | if (expire_time != -1) { | |
1276 | qemu_mod_timer(ts, expire_time); | |
1277 | } else { | |
1278 | qemu_del_timer(ts); | |
1279 | } | |
1280 | } | |
1281 | ||
1282 | static void timer_save(QEMUFile *f, void *opaque) | |
1283 | { | |
1284 | if (cpu_ticks_enabled) { | |
1285 | hw_error("cannot save state if virtual timers are running"); | |
1286 | } | |
bee8d684 TS |
1287 | qemu_put_be64(f, cpu_ticks_offset); |
1288 | qemu_put_be64(f, ticks_per_sec); | |
1289 | qemu_put_be64(f, cpu_clock_offset); | |
8a7ddc38 FB |
1290 | } |
1291 | ||
1292 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
1293 | { | |
c88676f8 | 1294 | if (version_id != 1 && version_id != 2) |
8a7ddc38 FB |
1295 | return -EINVAL; |
1296 | if (cpu_ticks_enabled) { | |
1297 | return -EINVAL; | |
1298 | } | |
bee8d684 TS |
1299 | cpu_ticks_offset=qemu_get_be64(f); |
1300 | ticks_per_sec=qemu_get_be64(f); | |
c88676f8 | 1301 | if (version_id == 2) { |
bee8d684 | 1302 | cpu_clock_offset=qemu_get_be64(f); |
c88676f8 | 1303 | } |
8a7ddc38 FB |
1304 | return 0; |
1305 | } | |
1306 | ||
50317c7f AL |
1307 | static void qemu_event_increment(void); |
1308 | ||
67b915a5 | 1309 | #ifdef _WIN32 |
b9e82a59 BS |
1310 | static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, |
1311 | DWORD_PTR dwUser, DWORD_PTR dw1, | |
1312 | DWORD_PTR dw2) | |
67b915a5 | 1313 | #else |
8a7ddc38 | 1314 | static void host_alarm_handler(int host_signum) |
67b915a5 | 1315 | #endif |
8a7ddc38 | 1316 | { |
02ba45c5 FB |
1317 | #if 0 |
1318 | #define DISP_FREQ 1000 | |
1319 | { | |
1320 | static int64_t delta_min = INT64_MAX; | |
1321 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
1322 | static int count; | |
1323 | ti = qemu_get_clock(vm_clock); | |
1324 | if (last_clock != 0) { | |
1325 | delta = ti - last_clock; | |
1326 | if (delta < delta_min) | |
1327 | delta_min = delta; | |
1328 | if (delta > delta_max) | |
1329 | delta_max = delta; | |
1330 | delta_cum += delta; | |
1331 | if (++count == DISP_FREQ) { | |
26a76461 | 1332 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", |
02ba45c5 FB |
1333 | muldiv64(delta_min, 1000000, ticks_per_sec), |
1334 | muldiv64(delta_max, 1000000, ticks_per_sec), | |
1335 | muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), | |
1336 | (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); | |
1337 | count = 0; | |
1338 | delta_min = INT64_MAX; | |
1339 | delta_max = 0; | |
1340 | delta_cum = 0; | |
1341 | } | |
1342 | } | |
1343 | last_clock = ti; | |
1344 | } | |
1345 | #endif | |
efe75411 | 1346 | if (alarm_has_dynticks(alarm_timer) || |
2e70f6ef PB |
1347 | (!use_icount && |
1348 | qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
1349 | qemu_get_clock(vm_clock))) || | |
8a7ddc38 FB |
1350 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], |
1351 | qemu_get_clock(rt_clock))) { | |
50317c7f | 1352 | qemu_event_increment(); |
e332340a | 1353 | if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED; |
d5d08334 | 1354 | |
d6dc3d42 AL |
1355 | #ifndef CONFIG_IOTHREAD |
1356 | if (next_cpu) { | |
4f8eb8da | 1357 | /* stop the currently executing cpu because a timer occured */ |
d6dc3d42 | 1358 | cpu_exit(next_cpu); |
640f42e4 | 1359 | #ifdef CONFIG_KQEMU |
d6dc3d42 AL |
1360 | if (next_cpu->kqemu_enabled) { |
1361 | kqemu_cpu_interrupt(next_cpu); | |
4f8eb8da | 1362 | } |
ee5605e5 | 1363 | #endif |
4f8eb8da | 1364 | } |
d6dc3d42 | 1365 | #endif |
43b96858 | 1366 | timer_alarm_pending = 1; |
d9f75a4e | 1367 | qemu_notify_event(); |
8a7ddc38 FB |
1368 | } |
1369 | } | |
1370 | ||
2e70f6ef | 1371 | static int64_t qemu_next_deadline(void) |
efe75411 | 1372 | { |
2e70f6ef | 1373 | int64_t delta; |
efe75411 TS |
1374 | |
1375 | if (active_timers[QEMU_TIMER_VIRTUAL]) { | |
2e70f6ef PB |
1376 | delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time - |
1377 | qemu_get_clock(vm_clock); | |
1378 | } else { | |
1379 | /* To avoid problems with overflow limit this to 2^32. */ | |
1380 | delta = INT32_MAX; | |
efe75411 TS |
1381 | } |
1382 | ||
2e70f6ef PB |
1383 | if (delta < 0) |
1384 | delta = 0; | |
efe75411 | 1385 | |
2e70f6ef PB |
1386 | return delta; |
1387 | } | |
1388 | ||
8632fb9a | 1389 | #if defined(__linux__) || defined(_WIN32) |
2e70f6ef PB |
1390 | static uint64_t qemu_next_deadline_dyntick(void) |
1391 | { | |
1392 | int64_t delta; | |
1393 | int64_t rtdelta; | |
1394 | ||
1395 | if (use_icount) | |
1396 | delta = INT32_MAX; | |
1397 | else | |
1398 | delta = (qemu_next_deadline() + 999) / 1000; | |
1399 | ||
1400 | if (active_timers[QEMU_TIMER_REALTIME]) { | |
1401 | rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time - | |
1402 | qemu_get_clock(rt_clock))*1000; | |
1403 | if (rtdelta < delta) | |
1404 | delta = rtdelta; | |
1405 | } | |
1406 | ||
1407 | if (delta < MIN_TIMER_REARM_US) | |
1408 | delta = MIN_TIMER_REARM_US; | |
1409 | ||
1410 | return delta; | |
efe75411 | 1411 | } |
8632fb9a | 1412 | #endif |
efe75411 | 1413 | |
fd872598 FB |
1414 | #ifndef _WIN32 |
1415 | ||
7183b4b4 AL |
1416 | /* Sets a specific flag */ |
1417 | static int fcntl_setfl(int fd, int flag) | |
1418 | { | |
1419 | int flags; | |
1420 | ||
1421 | flags = fcntl(fd, F_GETFL); | |
1422 | if (flags == -1) | |
1423 | return -errno; | |
1424 | ||
1425 | if (fcntl(fd, F_SETFL, flags | flag) == -1) | |
1426 | return -errno; | |
1427 | ||
1428 | return 0; | |
1429 | } | |
1430 | ||
829309c7 FB |
1431 | #if defined(__linux__) |
1432 | ||
fd872598 FB |
1433 | #define RTC_FREQ 1024 |
1434 | ||
de9a95f0 | 1435 | static void enable_sigio_timer(int fd) |
c8994013 TS |
1436 | { |
1437 | struct sigaction act; | |
1438 | ||
1439 | /* timer signal */ | |
1440 | sigfillset(&act.sa_mask); | |
1441 | act.sa_flags = 0; | |
c8994013 TS |
1442 | act.sa_handler = host_alarm_handler; |
1443 | ||
1444 | sigaction(SIGIO, &act, NULL); | |
7183b4b4 | 1445 | fcntl_setfl(fd, O_ASYNC); |
c8994013 TS |
1446 | fcntl(fd, F_SETOWN, getpid()); |
1447 | } | |
829309c7 | 1448 | |
c40ec5a9 TS |
1449 | static int hpet_start_timer(struct qemu_alarm_timer *t) |
1450 | { | |
1451 | struct hpet_info info; | |
1452 | int r, fd; | |
1453 | ||
1454 | fd = open("/dev/hpet", O_RDONLY); | |
1455 | if (fd < 0) | |
1456 | return -1; | |
1457 | ||
1458 | /* Set frequency */ | |
1459 | r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); | |
1460 | if (r < 0) { | |
1461 | fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" | |
1462 | "error, but for better emulation accuracy type:\n" | |
1463 | "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); | |
1464 | goto fail; | |
1465 | } | |
1466 | ||
1467 | /* Check capabilities */ | |
1468 | r = ioctl(fd, HPET_INFO, &info); | |
1469 | if (r < 0) | |
1470 | goto fail; | |
1471 | ||
1472 | /* Enable periodic mode */ | |
1473 | r = ioctl(fd, HPET_EPI, 0); | |
1474 | if (info.hi_flags && (r < 0)) | |
1475 | goto fail; | |
1476 | ||
1477 | /* Enable interrupt */ | |
1478 | r = ioctl(fd, HPET_IE_ON, 0); | |
1479 | if (r < 0) | |
1480 | goto fail; | |
1481 | ||
1482 | enable_sigio_timer(fd); | |
fcdc2129 | 1483 | t->priv = (void *)(long)fd; |
c40ec5a9 TS |
1484 | |
1485 | return 0; | |
1486 | fail: | |
1487 | close(fd); | |
1488 | return -1; | |
1489 | } | |
1490 | ||
1491 | static void hpet_stop_timer(struct qemu_alarm_timer *t) | |
1492 | { | |
fcdc2129 | 1493 | int fd = (long)t->priv; |
c40ec5a9 TS |
1494 | |
1495 | close(fd); | |
1496 | } | |
1497 | ||
c8994013 | 1498 | static int rtc_start_timer(struct qemu_alarm_timer *t) |
fd872598 | 1499 | { |
c8994013 | 1500 | int rtc_fd; |
b5a23ad4 | 1501 | unsigned long current_rtc_freq = 0; |
c8994013 | 1502 | |
aeb30be6 | 1503 | TFR(rtc_fd = open("/dev/rtc", O_RDONLY)); |
fd872598 FB |
1504 | if (rtc_fd < 0) |
1505 | return -1; | |
b5a23ad4 AZ |
1506 | ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); |
1507 | if (current_rtc_freq != RTC_FREQ && | |
1508 | ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
fd872598 FB |
1509 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" |
1510 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
1511 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
1512 | goto fail; | |
1513 | } | |
1514 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
1515 | fail: | |
1516 | close(rtc_fd); | |
1517 | return -1; | |
1518 | } | |
c8994013 TS |
1519 | |
1520 | enable_sigio_timer(rtc_fd); | |
1521 | ||
fcdc2129 | 1522 | t->priv = (void *)(long)rtc_fd; |
c8994013 | 1523 | |
fd872598 FB |
1524 | return 0; |
1525 | } | |
1526 | ||
c8994013 | 1527 | static void rtc_stop_timer(struct qemu_alarm_timer *t) |
829309c7 | 1528 | { |
fcdc2129 | 1529 | int rtc_fd = (long)t->priv; |
c8994013 TS |
1530 | |
1531 | close(rtc_fd); | |
829309c7 FB |
1532 | } |
1533 | ||
efe75411 TS |
1534 | static int dynticks_start_timer(struct qemu_alarm_timer *t) |
1535 | { | |
1536 | struct sigevent ev; | |
1537 | timer_t host_timer; | |
1538 | struct sigaction act; | |
1539 | ||
1540 | sigfillset(&act.sa_mask); | |
1541 | act.sa_flags = 0; | |
efe75411 TS |
1542 | act.sa_handler = host_alarm_handler; |
1543 | ||
1544 | sigaction(SIGALRM, &act, NULL); | |
1545 | ||
9ed415b2 JCD |
1546 | /* |
1547 | * Initialize ev struct to 0 to avoid valgrind complaining | |
1548 | * about uninitialized data in timer_create call | |
1549 | */ | |
1550 | memset(&ev, 0, sizeof(ev)); | |
efe75411 TS |
1551 | ev.sigev_value.sival_int = 0; |
1552 | ev.sigev_notify = SIGEV_SIGNAL; | |
1553 | ev.sigev_signo = SIGALRM; | |
1554 | ||
1555 | if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { | |
1556 | perror("timer_create"); | |
1557 | ||
1558 | /* disable dynticks */ | |
1559 | fprintf(stderr, "Dynamic Ticks disabled\n"); | |
1560 | ||
1561 | return -1; | |
1562 | } | |
1563 | ||
0399bfe0 | 1564 | t->priv = (void *)(long)host_timer; |
efe75411 TS |
1565 | |
1566 | return 0; | |
1567 | } | |
1568 | ||
1569 | static void dynticks_stop_timer(struct qemu_alarm_timer *t) | |
1570 | { | |
0399bfe0 | 1571 | timer_t host_timer = (timer_t)(long)t->priv; |
efe75411 TS |
1572 | |
1573 | timer_delete(host_timer); | |
1574 | } | |
1575 | ||
1576 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t) | |
1577 | { | |
0399bfe0 | 1578 | timer_t host_timer = (timer_t)(long)t->priv; |
efe75411 TS |
1579 | struct itimerspec timeout; |
1580 | int64_t nearest_delta_us = INT64_MAX; | |
1581 | int64_t current_us; | |
1582 | ||
1583 | if (!active_timers[QEMU_TIMER_REALTIME] && | |
1584 | !active_timers[QEMU_TIMER_VIRTUAL]) | |
d5d08334 | 1585 | return; |
efe75411 | 1586 | |
2e70f6ef | 1587 | nearest_delta_us = qemu_next_deadline_dyntick(); |
efe75411 TS |
1588 | |
1589 | /* check whether a timer is already running */ | |
1590 | if (timer_gettime(host_timer, &timeout)) { | |
1591 | perror("gettime"); | |
1592 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1593 | exit(1); | |
1594 | } | |
1595 | current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; | |
1596 | if (current_us && current_us <= nearest_delta_us) | |
1597 | return; | |
1598 | ||
1599 | timeout.it_interval.tv_sec = 0; | |
1600 | timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ | |
1601 | timeout.it_value.tv_sec = nearest_delta_us / 1000000; | |
1602 | timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; | |
1603 | if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { | |
1604 | perror("settime"); | |
1605 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1606 | exit(1); | |
1607 | } | |
1608 | } | |
1609 | ||
70744b3a | 1610 | #endif /* defined(__linux__) */ |
231c6586 | 1611 | |
c8994013 TS |
1612 | static int unix_start_timer(struct qemu_alarm_timer *t) |
1613 | { | |
1614 | struct sigaction act; | |
1615 | struct itimerval itv; | |
1616 | int err; | |
1617 | ||
1618 | /* timer signal */ | |
1619 | sigfillset(&act.sa_mask); | |
1620 | act.sa_flags = 0; | |
c8994013 TS |
1621 | act.sa_handler = host_alarm_handler; |
1622 | ||
1623 | sigaction(SIGALRM, &act, NULL); | |
1624 | ||
1625 | itv.it_interval.tv_sec = 0; | |
1626 | /* for i386 kernel 2.6 to get 1 ms */ | |
1627 | itv.it_interval.tv_usec = 999; | |
1628 | itv.it_value.tv_sec = 0; | |
1629 | itv.it_value.tv_usec = 10 * 1000; | |
1630 | ||
1631 | err = setitimer(ITIMER_REAL, &itv, NULL); | |
1632 | if (err) | |
1633 | return -1; | |
1634 | ||
1635 | return 0; | |
1636 | } | |
1637 | ||
1638 | static void unix_stop_timer(struct qemu_alarm_timer *t) | |
1639 | { | |
1640 | struct itimerval itv; | |
1641 | ||
1642 | memset(&itv, 0, sizeof(itv)); | |
1643 | setitimer(ITIMER_REAL, &itv, NULL); | |
1644 | } | |
1645 | ||
829309c7 | 1646 | #endif /* !defined(_WIN32) */ |
fd872598 | 1647 | |
f49e58dc | 1648 | |
c8994013 TS |
1649 | #ifdef _WIN32 |
1650 | ||
1651 | static int win32_start_timer(struct qemu_alarm_timer *t) | |
1652 | { | |
1653 | TIMECAPS tc; | |
1654 | struct qemu_alarm_win32 *data = t->priv; | |
efe75411 | 1655 | UINT flags; |
c8994013 | 1656 | |
c8994013 TS |
1657 | memset(&tc, 0, sizeof(tc)); |
1658 | timeGetDevCaps(&tc, sizeof(tc)); | |
1659 | ||
1660 | if (data->period < tc.wPeriodMin) | |
1661 | data->period = tc.wPeriodMin; | |
1662 | ||
1663 | timeBeginPeriod(data->period); | |
1664 | ||
efe75411 TS |
1665 | flags = TIME_CALLBACK_FUNCTION; |
1666 | if (alarm_has_dynticks(t)) | |
1667 | flags |= TIME_ONESHOT; | |
1668 | else | |
1669 | flags |= TIME_PERIODIC; | |
1670 | ||
c8994013 TS |
1671 | data->timerId = timeSetEvent(1, // interval (ms) |
1672 | data->period, // resolution | |
1673 | host_alarm_handler, // function | |
1674 | (DWORD)t, // parameter | |
efe75411 | 1675 | flags); |
c8994013 TS |
1676 | |
1677 | if (!data->timerId) { | |
1678 | perror("Failed to initialize win32 alarm timer"); | |
c8994013 | 1679 | timeEndPeriod(data->period); |
c8994013 TS |
1680 | return -1; |
1681 | } | |
1682 | ||
c8994013 TS |
1683 | return 0; |
1684 | } | |
1685 | ||
1686 | static void win32_stop_timer(struct qemu_alarm_timer *t) | |
1687 | { | |
1688 | struct qemu_alarm_win32 *data = t->priv; | |
1689 | ||
1690 | timeKillEvent(data->timerId); | |
1691 | timeEndPeriod(data->period); | |
c8994013 TS |
1692 | } |
1693 | ||
efe75411 TS |
1694 | static void win32_rearm_timer(struct qemu_alarm_timer *t) |
1695 | { | |
1696 | struct qemu_alarm_win32 *data = t->priv; | |
1697 | uint64_t nearest_delta_us; | |
1698 | ||
1699 | if (!active_timers[QEMU_TIMER_REALTIME] && | |
1700 | !active_timers[QEMU_TIMER_VIRTUAL]) | |
d5d08334 | 1701 | return; |
efe75411 | 1702 | |
2e70f6ef | 1703 | nearest_delta_us = qemu_next_deadline_dyntick(); |
efe75411 TS |
1704 | nearest_delta_us /= 1000; |
1705 | ||
1706 | timeKillEvent(data->timerId); | |
1707 | ||
1708 | data->timerId = timeSetEvent(1, | |
1709 | data->period, | |
1710 | host_alarm_handler, | |
1711 | (DWORD)t, | |
1712 | TIME_ONESHOT | TIME_PERIODIC); | |
1713 | ||
1714 | if (!data->timerId) { | |
1715 | perror("Failed to re-arm win32 alarm timer"); | |
1716 | ||
1717 | timeEndPeriod(data->period); | |
efe75411 TS |
1718 | exit(1); |
1719 | } | |
1720 | } | |
1721 | ||
c8994013 TS |
1722 | #endif /* _WIN32 */ |
1723 | ||
7183b4b4 | 1724 | static int init_timer_alarm(void) |
8a7ddc38 | 1725 | { |
223f0d72 | 1726 | struct qemu_alarm_timer *t = NULL; |
c8994013 | 1727 | int i, err = -1; |
f49e58dc | 1728 | |
c8994013 TS |
1729 | for (i = 0; alarm_timers[i].name; i++) { |
1730 | t = &alarm_timers[i]; | |
1731 | ||
c8994013 TS |
1732 | err = t->start(t); |
1733 | if (!err) | |
1734 | break; | |
67b915a5 | 1735 | } |
fd872598 | 1736 | |
c8994013 | 1737 | if (err) { |
7183b4b4 AL |
1738 | err = -ENOENT; |
1739 | goto fail; | |
67b915a5 | 1740 | } |
c8994013 TS |
1741 | |
1742 | alarm_timer = t; | |
7183b4b4 | 1743 | |
6abfbd79 | 1744 | return 0; |
7183b4b4 AL |
1745 | |
1746 | fail: | |
7183b4b4 | 1747 | return err; |
8a7ddc38 FB |
1748 | } |
1749 | ||
9596ebb7 | 1750 | static void quit_timers(void) |
40c3bac3 | 1751 | { |
c8994013 TS |
1752 | alarm_timer->stop(alarm_timer); |
1753 | alarm_timer = NULL; | |
40c3bac3 FB |
1754 | } |
1755 | ||
f6503059 AZ |
1756 | /***********************************************************/ |
1757 | /* host time/date access */ | |
1758 | void qemu_get_timedate(struct tm *tm, int offset) | |
1759 | { | |
1760 | time_t ti; | |
1761 | struct tm *ret; | |
1762 | ||
1763 | time(&ti); | |
1764 | ti += offset; | |
1765 | if (rtc_date_offset == -1) { | |
1766 | if (rtc_utc) | |
1767 | ret = gmtime(&ti); | |
1768 | else | |
1769 | ret = localtime(&ti); | |
1770 | } else { | |
1771 | ti -= rtc_date_offset; | |
1772 | ret = gmtime(&ti); | |
1773 | } | |
1774 | ||
1775 | memcpy(tm, ret, sizeof(struct tm)); | |
1776 | } | |
1777 | ||
1778 | int qemu_timedate_diff(struct tm *tm) | |
1779 | { | |
1780 | time_t seconds; | |
1781 | ||
1782 | if (rtc_date_offset == -1) | |
1783 | if (rtc_utc) | |
1784 | seconds = mktimegm(tm); | |
1785 | else | |
1786 | seconds = mktime(tm); | |
1787 | else | |
1788 | seconds = mktimegm(tm) + rtc_date_offset; | |
1789 | ||
1790 | return seconds - time(NULL); | |
1791 | } | |
1792 | ||
fd1dff4b | 1793 | #ifdef _WIN32 |
fd1dff4b FB |
1794 | static void socket_cleanup(void) |
1795 | { | |
1796 | WSACleanup(); | |
1797 | } | |
82c643ff | 1798 | |
fd1dff4b FB |
1799 | static int socket_init(void) |
1800 | { | |
1801 | WSADATA Data; | |
1802 | int ret, err; | |
1803 | ||
1804 | ret = WSAStartup(MAKEWORD(2,2), &Data); | |
1805 | if (ret != 0) { | |
1806 | err = WSAGetLastError(); | |
1807 | fprintf(stderr, "WSAStartup: %d\n", err); | |
1808 | return -1; | |
1809 | } | |
1810 | atexit(socket_cleanup); | |
1811 | return 0; | |
1812 | } | |
64b7b733 AJ |
1813 | #endif |
1814 | ||
63a01ef8 AL |
1815 | int get_param_value(char *buf, int buf_size, |
1816 | const char *tag, const char *str) | |
7c9d8e07 FB |
1817 | { |
1818 | const char *p; | |
7c9d8e07 FB |
1819 | char option[128]; |
1820 | ||
1821 | p = str; | |
1822 | for(;;) { | |
268a362c | 1823 | p = get_opt_name(option, sizeof(option), p, '='); |
7c9d8e07 FB |
1824 | if (*p != '=') |
1825 | break; | |
1826 | p++; | |
1827 | if (!strcmp(tag, option)) { | |
609497ab | 1828 | (void)get_opt_value(buf, buf_size, p); |
e4bcb14c | 1829 | return strlen(buf); |
7c9d8e07 | 1830 | } else { |
609497ab | 1831 | p = get_opt_value(NULL, 0, p); |
7c9d8e07 FB |
1832 | } |
1833 | if (*p != ',') | |
1834 | break; | |
1835 | p++; | |
1836 | } | |
1837 | return 0; | |
1838 | } | |
1839 | ||
0aa7a205 JK |
1840 | int check_params(char *buf, int buf_size, |
1841 | const char * const *params, const char *str) | |
e4bcb14c TS |
1842 | { |
1843 | const char *p; | |
0aa7a205 | 1844 | int i; |
e4bcb14c TS |
1845 | |
1846 | p = str; | |
10300216 | 1847 | while (*p != '\0') { |
0aa7a205 | 1848 | p = get_opt_name(buf, buf_size, p, '='); |
ffad4116 | 1849 | if (*p != '=') { |
0aa7a205 | 1850 | return -1; |
ffad4116 | 1851 | } |
e4bcb14c | 1852 | p++; |
0aa7a205 JK |
1853 | for (i = 0; params[i] != NULL; i++) { |
1854 | if (!strcmp(params[i], buf)) { | |
e4bcb14c | 1855 | break; |
0aa7a205 JK |
1856 | } |
1857 | } | |
ffad4116 | 1858 | if (params[i] == NULL) { |
0aa7a205 | 1859 | return -1; |
ffad4116 | 1860 | } |
609497ab | 1861 | p = get_opt_value(NULL, 0, p); |
0aa7a205 | 1862 | if (*p != ',') { |
e4bcb14c | 1863 | break; |
0aa7a205 | 1864 | } |
e4bcb14c TS |
1865 | p++; |
1866 | } | |
0aa7a205 | 1867 | return 0; |
e4bcb14c TS |
1868 | } |
1869 | ||
1ae26a18 AZ |
1870 | /***********************************************************/ |
1871 | /* Bluetooth support */ | |
1872 | static int nb_hcis; | |
1873 | static int cur_hci; | |
1874 | static struct HCIInfo *hci_table[MAX_NICS]; | |
dc72ac14 | 1875 | |
1ae26a18 AZ |
1876 | static struct bt_vlan_s { |
1877 | struct bt_scatternet_s net; | |
1878 | int id; | |
1879 | struct bt_vlan_s *next; | |
1880 | } *first_bt_vlan; | |
1881 | ||
1882 | /* find or alloc a new bluetooth "VLAN" */ | |
674bb261 | 1883 | static struct bt_scatternet_s *qemu_find_bt_vlan(int id) |
1ae26a18 AZ |
1884 | { |
1885 | struct bt_vlan_s **pvlan, *vlan; | |
1886 | for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { | |
1887 | if (vlan->id == id) | |
1888 | return &vlan->net; | |
1889 | } | |
1890 | vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); | |
1891 | vlan->id = id; | |
1892 | pvlan = &first_bt_vlan; | |
1893 | while (*pvlan != NULL) | |
1894 | pvlan = &(*pvlan)->next; | |
1895 | *pvlan = vlan; | |
1896 | return &vlan->net; | |
1897 | } | |
1898 | ||
1899 | static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) | |
1900 | { | |
1901 | } | |
1902 | ||
1903 | static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) | |
1904 | { | |
1905 | return -ENOTSUP; | |
1906 | } | |
1907 | ||
1908 | static struct HCIInfo null_hci = { | |
1909 | .cmd_send = null_hci_send, | |
1910 | .sco_send = null_hci_send, | |
1911 | .acl_send = null_hci_send, | |
1912 | .bdaddr_set = null_hci_addr_set, | |
1913 | }; | |
1914 | ||
1915 | struct HCIInfo *qemu_next_hci(void) | |
1916 | { | |
1917 | if (cur_hci == nb_hcis) | |
1918 | return &null_hci; | |
1919 | ||
1920 | return hci_table[cur_hci++]; | |
1921 | } | |
1922 | ||
dc72ac14 AZ |
1923 | static struct HCIInfo *hci_init(const char *str) |
1924 | { | |
1925 | char *endp; | |
1926 | struct bt_scatternet_s *vlan = 0; | |
1927 | ||
1928 | if (!strcmp(str, "null")) | |
1929 | /* null */ | |
1930 | return &null_hci; | |
1931 | else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) | |
1932 | /* host[:hciN] */ | |
1933 | return bt_host_hci(str[4] ? str + 5 : "hci0"); | |
1934 | else if (!strncmp(str, "hci", 3)) { | |
1935 | /* hci[,vlan=n] */ | |
1936 | if (str[3]) { | |
1937 | if (!strncmp(str + 3, ",vlan=", 6)) { | |
1938 | vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); | |
1939 | if (*endp) | |
1940 | vlan = 0; | |
1941 | } | |
1942 | } else | |
1943 | vlan = qemu_find_bt_vlan(0); | |
1944 | if (vlan) | |
1945 | return bt_new_hci(vlan); | |
1946 | } | |
1947 | ||
1948 | fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str); | |
1949 | ||
1950 | return 0; | |
1951 | } | |
1952 | ||
1953 | static int bt_hci_parse(const char *str) | |
1954 | { | |
1955 | struct HCIInfo *hci; | |
1956 | bdaddr_t bdaddr; | |
1957 | ||
1958 | if (nb_hcis >= MAX_NICS) { | |
1959 | fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS); | |
1960 | return -1; | |
1961 | } | |
1962 | ||
1963 | hci = hci_init(str); | |
1964 | if (!hci) | |
1965 | return -1; | |
1966 | ||
1967 | bdaddr.b[0] = 0x52; | |
1968 | bdaddr.b[1] = 0x54; | |
1969 | bdaddr.b[2] = 0x00; | |
1970 | bdaddr.b[3] = 0x12; | |
1971 | bdaddr.b[4] = 0x34; | |
1972 | bdaddr.b[5] = 0x56 + nb_hcis; | |
1973 | hci->bdaddr_set(hci, bdaddr.b); | |
1974 | ||
1975 | hci_table[nb_hcis++] = hci; | |
1976 | ||
1977 | return 0; | |
1978 | } | |
1979 | ||
1980 | static void bt_vhci_add(int vlan_id) | |
1981 | { | |
1982 | struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); | |
1983 | ||
1984 | if (!vlan->slave) | |
1985 | fprintf(stderr, "qemu: warning: adding a VHCI to " | |
1986 | "an empty scatternet %i\n", vlan_id); | |
1987 | ||
1988 | bt_vhci_init(bt_new_hci(vlan)); | |
1989 | } | |
1990 | ||
1991 | static struct bt_device_s *bt_device_add(const char *opt) | |
1992 | { | |
1993 | struct bt_scatternet_s *vlan; | |
1994 | int vlan_id = 0; | |
1995 | char *endp = strstr(opt, ",vlan="); | |
1996 | int len = (endp ? endp - opt : strlen(opt)) + 1; | |
1997 | char devname[10]; | |
1998 | ||
1999 | pstrcpy(devname, MIN(sizeof(devname), len), opt); | |
2000 | ||
2001 | if (endp) { | |
2002 | vlan_id = strtol(endp + 6, &endp, 0); | |
2003 | if (*endp) { | |
2004 | fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); | |
2005 | return 0; | |
2006 | } | |
2007 | } | |
2008 | ||
2009 | vlan = qemu_find_bt_vlan(vlan_id); | |
2010 | ||
2011 | if (!vlan->slave) | |
2012 | fprintf(stderr, "qemu: warning: adding a slave device to " | |
2013 | "an empty scatternet %i\n", vlan_id); | |
2014 | ||
2015 | if (!strcmp(devname, "keyboard")) | |
2016 | return bt_keyboard_init(vlan); | |
2017 | ||
2018 | fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); | |
2019 | return 0; | |
2020 | } | |
2021 | ||
2022 | static int bt_parse(const char *opt) | |
2023 | { | |
2024 | const char *endp, *p; | |
2025 | int vlan; | |
2026 | ||
2027 | if (strstart(opt, "hci", &endp)) { | |
2028 | if (!*endp || *endp == ',') { | |
2029 | if (*endp) | |
2030 | if (!strstart(endp, ",vlan=", 0)) | |
2031 | opt = endp + 1; | |
2032 | ||
2033 | return bt_hci_parse(opt); | |
2034 | } | |
2035 | } else if (strstart(opt, "vhci", &endp)) { | |
2036 | if (!*endp || *endp == ',') { | |
2037 | if (*endp) { | |
2038 | if (strstart(endp, ",vlan=", &p)) { | |
2039 | vlan = strtol(p, (char **) &endp, 0); | |
2040 | if (*endp) { | |
2041 | fprintf(stderr, "qemu: bad scatternet '%s'\n", p); | |
2042 | return 1; | |
2043 | } | |
2044 | } else { | |
2045 | fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); | |
2046 | return 1; | |
2047 | } | |
2048 | } else | |
2049 | vlan = 0; | |
2050 | ||
2051 | bt_vhci_add(vlan); | |
2052 | return 0; | |
2053 | } | |
2054 | } else if (strstart(opt, "device:", &endp)) | |
2055 | return !bt_device_add(endp); | |
2056 | ||
2057 | fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); | |
2058 | return 1; | |
2059 | } | |
2060 | ||
1ae26a18 AZ |
2061 | /***********************************************************/ |
2062 | /* QEMU Block devices */ | |
2063 | ||
609497ab | 2064 | #define HD_ALIAS "index=%d,media=disk" |
e4bcb14c | 2065 | #define CDROM_ALIAS "index=2,media=cdrom" |
e4bcb14c | 2066 | #define FD_ALIAS "index=%d,if=floppy" |
609497ab AZ |
2067 | #define PFLASH_ALIAS "if=pflash" |
2068 | #define MTD_ALIAS "if=mtd" | |
9d413d1d | 2069 | #define SD_ALIAS "index=0,if=sd" |
e4bcb14c | 2070 | |
7d5aca9e AL |
2071 | static int drive_opt_get_free_idx(void) |
2072 | { | |
2073 | int index; | |
2074 | ||
2075 | for (index = 0; index < MAX_DRIVES; index++) | |
2076 | if (!drives_opt[index].used) { | |
2077 | drives_opt[index].used = 1; | |
2078 | return index; | |
2079 | } | |
2080 | ||
2081 | return -1; | |
2082 | } | |
2083 | ||
2084 | static int drive_get_free_idx(void) | |
2085 | { | |
2086 | int index; | |
2087 | ||
2088 | for (index = 0; index < MAX_DRIVES; index++) | |
2089 | if (!drives_table[index].used) { | |
2090 | drives_table[index].used = 1; | |
2091 | return index; | |
2092 | } | |
2093 | ||
2094 | return -1; | |
2095 | } | |
2096 | ||
4d73cd3b | 2097 | int drive_add(const char *file, const char *fmt, ...) |
e4bcb14c TS |
2098 | { |
2099 | va_list ap; | |
7d5aca9e | 2100 | int index = drive_opt_get_free_idx(); |
e4bcb14c | 2101 | |
7d5aca9e | 2102 | if (nb_drives_opt >= MAX_DRIVES || index == -1) { |
e4bcb14c | 2103 | fprintf(stderr, "qemu: too many drives\n"); |
4d73cd3b | 2104 | return -1; |
e4bcb14c TS |
2105 | } |
2106 | ||
7d5aca9e | 2107 | drives_opt[index].file = file; |
e4bcb14c | 2108 | va_start(ap, fmt); |
7d5aca9e | 2109 | vsnprintf(drives_opt[index].opt, |
609497ab | 2110 | sizeof(drives_opt[0].opt), fmt, ap); |
e4bcb14c TS |
2111 | va_end(ap); |
2112 | ||
7d5aca9e AL |
2113 | nb_drives_opt++; |
2114 | return index; | |
e4bcb14c TS |
2115 | } |
2116 | ||
b01b1111 AL |
2117 | void drive_remove(int index) |
2118 | { | |
2119 | drives_opt[index].used = 0; | |
2120 | nb_drives_opt--; | |
2121 | } | |
2122 | ||
f60d39bc | 2123 | int drive_get_index(BlockInterfaceType type, int bus, int unit) |
e4bcb14c TS |
2124 | { |
2125 | int index; | |
2126 | ||
2127 | /* seek interface, bus and unit */ | |
2128 | ||
7d5aca9e | 2129 | for (index = 0; index < MAX_DRIVES; index++) |
f60d39bc | 2130 | if (drives_table[index].type == type && |
e4bcb14c | 2131 | drives_table[index].bus == bus && |
7d5aca9e AL |
2132 | drives_table[index].unit == unit && |
2133 | drives_table[index].used) | |
e4bcb14c TS |
2134 | return index; |
2135 | ||
2136 | return -1; | |
2137 | } | |
2138 | ||
f60d39bc | 2139 | int drive_get_max_bus(BlockInterfaceType type) |
e4bcb14c TS |
2140 | { |
2141 | int max_bus; | |
2142 | int index; | |
2143 | ||
2144 | max_bus = -1; | |
2145 | for (index = 0; index < nb_drives; index++) { | |
f60d39bc | 2146 | if(drives_table[index].type == type && |
e4bcb14c TS |
2147 | drives_table[index].bus > max_bus) |
2148 | max_bus = drives_table[index].bus; | |
2149 | } | |
2150 | return max_bus; | |
2151 | } | |
2152 | ||
fa879c64 AL |
2153 | const char *drive_get_serial(BlockDriverState *bdrv) |
2154 | { | |
2155 | int index; | |
2156 | ||
2157 | for (index = 0; index < nb_drives; index++) | |
2158 | if (drives_table[index].bdrv == bdrv) | |
2159 | return drives_table[index].serial; | |
2160 | ||
2161 | return "\0"; | |
2162 | } | |
2163 | ||
428c5705 AL |
2164 | BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv) |
2165 | { | |
2166 | int index; | |
2167 | ||
2168 | for (index = 0; index < nb_drives; index++) | |
2169 | if (drives_table[index].bdrv == bdrv) | |
2170 | return drives_table[index].onerror; | |
2171 | ||
cdad4bd8 | 2172 | return BLOCK_ERR_STOP_ENOSPC; |
428c5705 AL |
2173 | } |
2174 | ||
a1620fac AJ |
2175 | static void bdrv_format_print(void *opaque, const char *name) |
2176 | { | |
2177 | fprintf(stderr, " %s", name); | |
2178 | } | |
2179 | ||
b01b1111 AL |
2180 | void drive_uninit(BlockDriverState *bdrv) |
2181 | { | |
2182 | int i; | |
2183 | ||
2184 | for (i = 0; i < MAX_DRIVES; i++) | |
2185 | if (drives_table[i].bdrv == bdrv) { | |
2186 | drives_table[i].bdrv = NULL; | |
2187 | drives_table[i].used = 0; | |
2188 | drive_remove(drives_table[i].drive_opt_idx); | |
2189 | nb_drives--; | |
2190 | break; | |
2191 | } | |
2192 | } | |
2193 | ||
4d73cd3b | 2194 | int drive_init(struct drive_opt *arg, int snapshot, void *opaque) |
e4bcb14c TS |
2195 | { |
2196 | char buf[128]; | |
2197 | char file[1024]; | |
c8522bdf | 2198 | char devname[128]; |
fa879c64 | 2199 | char serial[21]; |
c8522bdf | 2200 | const char *mediastr = ""; |
f60d39bc | 2201 | BlockInterfaceType type; |
e4bcb14c TS |
2202 | enum { MEDIA_DISK, MEDIA_CDROM } media; |
2203 | int bus_id, unit_id; | |
2204 | int cyls, heads, secs, translation; | |
2205 | BlockDriverState *bdrv; | |
1e72d3b7 | 2206 | BlockDriver *drv = NULL; |
4d73cd3b | 2207 | QEMUMachine *machine = opaque; |
e4bcb14c TS |
2208 | int max_devs; |
2209 | int index; | |
33f00271 | 2210 | int cache; |
428c5705 | 2211 | int bdrv_flags, onerror; |
7d5aca9e | 2212 | int drives_table_idx; |
609497ab | 2213 | char *str = arg->opt; |
7ccfb2eb BS |
2214 | static const char * const params[] = { "bus", "unit", "if", "index", |
2215 | "cyls", "heads", "secs", "trans", | |
2216 | "media", "snapshot", "file", | |
428c5705 AL |
2217 | "cache", "format", "serial", "werror", |
2218 | NULL }; | |
e4bcb14c | 2219 | |
0aa7a205 | 2220 | if (check_params(buf, sizeof(buf), params, str) < 0) { |
cda94b27 MM |
2221 | fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n", |
2222 | buf, str); | |
e4bcb14c TS |
2223 | return -1; |
2224 | } | |
2225 | ||
2226 | file[0] = 0; | |
2227 | cyls = heads = secs = 0; | |
2228 | bus_id = 0; | |
2229 | unit_id = -1; | |
2230 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
2231 | index = -1; | |
4dc822d7 | 2232 | cache = 3; |
e4bcb14c | 2233 | |
c9b1ae2c | 2234 | if (machine->use_scsi) { |
f60d39bc | 2235 | type = IF_SCSI; |
e4bcb14c | 2236 | max_devs = MAX_SCSI_DEVS; |
363a37d5 | 2237 | pstrcpy(devname, sizeof(devname), "scsi"); |
e4bcb14c | 2238 | } else { |
f60d39bc | 2239 | type = IF_IDE; |
e4bcb14c | 2240 | max_devs = MAX_IDE_DEVS; |
363a37d5 | 2241 | pstrcpy(devname, sizeof(devname), "ide"); |
e4bcb14c TS |
2242 | } |
2243 | media = MEDIA_DISK; | |
2244 | ||
2245 | /* extract parameters */ | |
2246 | ||
2247 | if (get_param_value(buf, sizeof(buf), "bus", str)) { | |
2248 | bus_id = strtol(buf, NULL, 0); | |
2249 | if (bus_id < 0) { | |
2250 | fprintf(stderr, "qemu: '%s' invalid bus id\n", str); | |
2251 | return -1; | |
2252 | } | |
2253 | } | |
2254 | ||
2255 | if (get_param_value(buf, sizeof(buf), "unit", str)) { | |
2256 | unit_id = strtol(buf, NULL, 0); | |
2257 | if (unit_id < 0) { | |
2258 | fprintf(stderr, "qemu: '%s' invalid unit id\n", str); | |
2259 | return -1; | |
2260 | } | |
2261 | } | |
2262 | ||
2263 | if (get_param_value(buf, sizeof(buf), "if", str)) { | |
ae45d369 | 2264 | pstrcpy(devname, sizeof(devname), buf); |
e4bcb14c | 2265 | if (!strcmp(buf, "ide")) { |
f60d39bc | 2266 | type = IF_IDE; |
e4bcb14c TS |
2267 | max_devs = MAX_IDE_DEVS; |
2268 | } else if (!strcmp(buf, "scsi")) { | |
f60d39bc | 2269 | type = IF_SCSI; |
e4bcb14c TS |
2270 | max_devs = MAX_SCSI_DEVS; |
2271 | } else if (!strcmp(buf, "floppy")) { | |
f60d39bc | 2272 | type = IF_FLOPPY; |
e4bcb14c TS |
2273 | max_devs = 0; |
2274 | } else if (!strcmp(buf, "pflash")) { | |
f60d39bc | 2275 | type = IF_PFLASH; |
e4bcb14c TS |
2276 | max_devs = 0; |
2277 | } else if (!strcmp(buf, "mtd")) { | |
f60d39bc | 2278 | type = IF_MTD; |
e4bcb14c TS |
2279 | max_devs = 0; |
2280 | } else if (!strcmp(buf, "sd")) { | |
f60d39bc | 2281 | type = IF_SD; |
e4bcb14c | 2282 | max_devs = 0; |
6e02c38d AL |
2283 | } else if (!strcmp(buf, "virtio")) { |
2284 | type = IF_VIRTIO; | |
2285 | max_devs = 0; | |
62d23efa AL |
2286 | } else if (!strcmp(buf, "xen")) { |
2287 | type = IF_XEN; | |
2288 | max_devs = 0; | |
2289 | } else { | |
e4bcb14c TS |
2290 | fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf); |
2291 | return -1; | |
2292 | } | |
2293 | } | |
2294 | ||
2295 | if (get_param_value(buf, sizeof(buf), "index", str)) { | |
2296 | index = strtol(buf, NULL, 0); | |
2297 | if (index < 0) { | |
2298 | fprintf(stderr, "qemu: '%s' invalid index\n", str); | |
2299 | return -1; | |
2300 | } | |
2301 | } | |
2302 | ||
2303 | if (get_param_value(buf, sizeof(buf), "cyls", str)) { | |
2304 | cyls = strtol(buf, NULL, 0); | |
2305 | } | |
2306 | ||
2307 | if (get_param_value(buf, sizeof(buf), "heads", str)) { | |
2308 | heads = strtol(buf, NULL, 0); | |
2309 | } | |
2310 | ||
2311 | if (get_param_value(buf, sizeof(buf), "secs", str)) { | |
2312 | secs = strtol(buf, NULL, 0); | |
2313 | } | |
2314 | ||
2315 | if (cyls || heads || secs) { | |
2316 | if (cyls < 1 || cyls > 16383) { | |
2317 | fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str); | |
2318 | return -1; | |
2319 | } | |
2320 | if (heads < 1 || heads > 16) { | |
2321 | fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str); | |
2322 | return -1; | |
2323 | } | |
2324 | if (secs < 1 || secs > 63) { | |
2325 | fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str); | |
2326 | return -1; | |
2327 | } | |
2328 | } | |
2329 | ||
2330 | if (get_param_value(buf, sizeof(buf), "trans", str)) { | |
2331 | if (!cyls) { | |
2332 | fprintf(stderr, | |
2333 | "qemu: '%s' trans must be used with cyls,heads and secs\n", | |
2334 | str); | |
2335 | return -1; | |
2336 | } | |
2337 | if (!strcmp(buf, "none")) | |
2338 | translation = BIOS_ATA_TRANSLATION_NONE; | |
2339 | else if (!strcmp(buf, "lba")) | |
2340 | translation = BIOS_ATA_TRANSLATION_LBA; | |
2341 | else if (!strcmp(buf, "auto")) | |
2342 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
2343 | else { | |
2344 | fprintf(stderr, "qemu: '%s' invalid translation type\n", str); | |
2345 | return -1; | |
2346 | } | |
2347 | } | |
2348 | ||
2349 | if (get_param_value(buf, sizeof(buf), "media", str)) { | |
2350 | if (!strcmp(buf, "disk")) { | |
2351 | media = MEDIA_DISK; | |
2352 | } else if (!strcmp(buf, "cdrom")) { | |
2353 | if (cyls || secs || heads) { | |
2354 | fprintf(stderr, | |
2355 | "qemu: '%s' invalid physical CHS format\n", str); | |
2356 | return -1; | |
2357 | } | |
2358 | media = MEDIA_CDROM; | |
2359 | } else { | |
2360 | fprintf(stderr, "qemu: '%s' invalid media\n", str); | |
2361 | return -1; | |
2362 | } | |
2363 | } | |
2364 | ||
2365 | if (get_param_value(buf, sizeof(buf), "snapshot", str)) { | |
2366 | if (!strcmp(buf, "on")) | |
2367 | snapshot = 1; | |
2368 | else if (!strcmp(buf, "off")) | |
2369 | snapshot = 0; | |
2370 | else { | |
2371 | fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str); | |
2372 | return -1; | |
2373 | } | |
2374 | } | |
2375 | ||
33f00271 | 2376 | if (get_param_value(buf, sizeof(buf), "cache", str)) { |
9f7965c7 | 2377 | if (!strcmp(buf, "off") || !strcmp(buf, "none")) |
33f00271 | 2378 | cache = 0; |
9f7965c7 | 2379 | else if (!strcmp(buf, "writethrough")) |
33f00271 | 2380 | cache = 1; |
9f7965c7 AL |
2381 | else if (!strcmp(buf, "writeback")) |
2382 | cache = 2; | |
33f00271 AZ |
2383 | else { |
2384 | fprintf(stderr, "qemu: invalid cache option\n"); | |
2385 | return -1; | |
2386 | } | |
2387 | } | |
2388 | ||
1e72d3b7 | 2389 | if (get_param_value(buf, sizeof(buf), "format", str)) { |
a1620fac AJ |
2390 | if (strcmp(buf, "?") == 0) { |
2391 | fprintf(stderr, "qemu: Supported formats:"); | |
2392 | bdrv_iterate_format(bdrv_format_print, NULL); | |
2393 | fprintf(stderr, "\n"); | |
2394 | return -1; | |
2395 | } | |
1e72d3b7 AJ |
2396 | drv = bdrv_find_format(buf); |
2397 | if (!drv) { | |
2398 | fprintf(stderr, "qemu: '%s' invalid format\n", buf); | |
2399 | return -1; | |
2400 | } | |
2401 | } | |
2402 | ||
609497ab AZ |
2403 | if (arg->file == NULL) |
2404 | get_param_value(file, sizeof(file), "file", str); | |
2405 | else | |
2406 | pstrcpy(file, sizeof(file), arg->file); | |
e4bcb14c | 2407 | |
fa879c64 AL |
2408 | if (!get_param_value(serial, sizeof(serial), "serial", str)) |
2409 | memset(serial, 0, sizeof(serial)); | |
2410 | ||
cdad4bd8 | 2411 | onerror = BLOCK_ERR_STOP_ENOSPC; |
428c5705 | 2412 | if (get_param_value(buf, sizeof(serial), "werror", str)) { |
869a5c6d | 2413 | if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) { |
ea8a5d7f | 2414 | fprintf(stderr, "werror is no supported by this format\n"); |
428c5705 AL |
2415 | return -1; |
2416 | } | |
2417 | if (!strcmp(buf, "ignore")) | |
2418 | onerror = BLOCK_ERR_IGNORE; | |
2419 | else if (!strcmp(buf, "enospc")) | |
2420 | onerror = BLOCK_ERR_STOP_ENOSPC; | |
2421 | else if (!strcmp(buf, "stop")) | |
2422 | onerror = BLOCK_ERR_STOP_ANY; | |
2423 | else if (!strcmp(buf, "report")) | |
2424 | onerror = BLOCK_ERR_REPORT; | |
2425 | else { | |
2426 | fprintf(stderr, "qemu: '%s' invalid write error action\n", buf); | |
2427 | return -1; | |
2428 | } | |
2429 | } | |
2430 | ||
e4bcb14c TS |
2431 | /* compute bus and unit according index */ |
2432 | ||
2433 | if (index != -1) { | |
2434 | if (bus_id != 0 || unit_id != -1) { | |
2435 | fprintf(stderr, | |
2436 | "qemu: '%s' index cannot be used with bus and unit\n", str); | |
2437 | return -1; | |
2438 | } | |
2439 | if (max_devs == 0) | |
2440 | { | |
2441 | unit_id = index; | |
2442 | bus_id = 0; | |
2443 | } else { | |
2444 | unit_id = index % max_devs; | |
2445 | bus_id = index / max_devs; | |
2446 | } | |
2447 | } | |
2448 | ||
2449 | /* if user doesn't specify a unit_id, | |
2450 | * try to find the first free | |
2451 | */ | |
2452 | ||
2453 | if (unit_id == -1) { | |
2454 | unit_id = 0; | |
f60d39bc | 2455 | while (drive_get_index(type, bus_id, unit_id) != -1) { |
e4bcb14c TS |
2456 | unit_id++; |
2457 | if (max_devs && unit_id >= max_devs) { | |
2458 | unit_id -= max_devs; | |
2459 | bus_id++; | |
2460 | } | |
2461 | } | |
2462 | } | |
2463 | ||
2464 | /* check unit id */ | |
2465 | ||
2466 | if (max_devs && unit_id >= max_devs) { | |
2467 | fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n", | |
2468 | str, unit_id, max_devs - 1); | |
2469 | return -1; | |
2470 | } | |
2471 | ||
2472 | /* | |
2473 | * ignore multiple definitions | |
2474 | */ | |
2475 | ||
f60d39bc | 2476 | if (drive_get_index(type, bus_id, unit_id) != -1) |
4d73cd3b | 2477 | return -2; |
e4bcb14c TS |
2478 | |
2479 | /* init */ | |
2480 | ||
f60d39bc | 2481 | if (type == IF_IDE || type == IF_SCSI) |
c8522bdf | 2482 | mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; |
e6198a70 AZ |
2483 | if (max_devs) |
2484 | snprintf(buf, sizeof(buf), "%s%i%s%i", | |
2485 | devname, bus_id, mediastr, unit_id); | |
2486 | else | |
2487 | snprintf(buf, sizeof(buf), "%s%s%i", | |
2488 | devname, mediastr, unit_id); | |
e4bcb14c | 2489 | bdrv = bdrv_new(buf); |
7d5aca9e AL |
2490 | drives_table_idx = drive_get_free_idx(); |
2491 | drives_table[drives_table_idx].bdrv = bdrv; | |
2492 | drives_table[drives_table_idx].type = type; | |
2493 | drives_table[drives_table_idx].bus = bus_id; | |
2494 | drives_table[drives_table_idx].unit = unit_id; | |
2495 | drives_table[drives_table_idx].onerror = onerror; | |
b01b1111 | 2496 | drives_table[drives_table_idx].drive_opt_idx = arg - drives_opt; |
e6a6dfe4 | 2497 | strncpy(drives_table[drives_table_idx].serial, serial, sizeof(serial)); |
e4bcb14c TS |
2498 | nb_drives++; |
2499 | ||
f60d39bc | 2500 | switch(type) { |
e4bcb14c TS |
2501 | case IF_IDE: |
2502 | case IF_SCSI: | |
62d23efa | 2503 | case IF_XEN: |
e4bcb14c TS |
2504 | switch(media) { |
2505 | case MEDIA_DISK: | |
2506 | if (cyls != 0) { | |
2507 | bdrv_set_geometry_hint(bdrv, cyls, heads, secs); | |
2508 | bdrv_set_translation_hint(bdrv, translation); | |
2509 | } | |
2510 | break; | |
2511 | case MEDIA_CDROM: | |
2512 | bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM); | |
2513 | break; | |
2514 | } | |
2515 | break; | |
2516 | case IF_SD: | |
2517 | /* FIXME: This isn't really a floppy, but it's a reasonable | |
2518 | approximation. */ | |
2519 | case IF_FLOPPY: | |
2520 | bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY); | |
2521 | break; | |
2522 | case IF_PFLASH: | |
2523 | case IF_MTD: | |
6e02c38d | 2524 | case IF_VIRTIO: |
e4bcb14c | 2525 | break; |
aae9460e PB |
2526 | case IF_COUNT: |
2527 | abort(); | |
e4bcb14c TS |
2528 | } |
2529 | if (!file[0]) | |
4d73cd3b | 2530 | return -2; |
33f00271 | 2531 | bdrv_flags = 0; |
9f7965c7 | 2532 | if (snapshot) { |
33f00271 | 2533 | bdrv_flags |= BDRV_O_SNAPSHOT; |
9f7965c7 AL |
2534 | cache = 2; /* always use write-back with snapshot */ |
2535 | } | |
2536 | if (cache == 0) /* no caching */ | |
2537 | bdrv_flags |= BDRV_O_NOCACHE; | |
2538 | else if (cache == 2) /* write-back */ | |
2539 | bdrv_flags |= BDRV_O_CACHE_WB; | |
4dc822d7 AL |
2540 | else if (cache == 3) /* not specified */ |
2541 | bdrv_flags |= BDRV_O_CACHE_DEF; | |
c0f4ce77 | 2542 | if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0) { |
e4bcb14c TS |
2543 | fprintf(stderr, "qemu: could not open disk image %s\n", |
2544 | file); | |
2545 | return -1; | |
2546 | } | |
c0f4ce77 AL |
2547 | if (bdrv_key_required(bdrv)) |
2548 | autostart = 0; | |
4d73cd3b | 2549 | return drives_table_idx; |
e4bcb14c TS |
2550 | } |
2551 | ||
268a362c AL |
2552 | static void numa_add(const char *optarg) |
2553 | { | |
2554 | char option[128]; | |
2555 | char *endptr; | |
2556 | unsigned long long value, endvalue; | |
2557 | int nodenr; | |
2558 | ||
2559 | optarg = get_opt_name(option, 128, optarg, ',') + 1; | |
2560 | if (!strcmp(option, "node")) { | |
2561 | if (get_param_value(option, 128, "nodeid", optarg) == 0) { | |
2562 | nodenr = nb_numa_nodes; | |
2563 | } else { | |
2564 | nodenr = strtoull(option, NULL, 10); | |
2565 | } | |
2566 | ||
2567 | if (get_param_value(option, 128, "mem", optarg) == 0) { | |
2568 | node_mem[nodenr] = 0; | |
2569 | } else { | |
2570 | value = strtoull(option, &endptr, 0); | |
2571 | switch (*endptr) { | |
2572 | case 0: case 'M': case 'm': | |
2573 | value <<= 20; | |
2574 | break; | |
2575 | case 'G': case 'g': | |
2576 | value <<= 30; | |
2577 | break; | |
2578 | } | |
2579 | node_mem[nodenr] = value; | |
2580 | } | |
2581 | if (get_param_value(option, 128, "cpus", optarg) == 0) { | |
2582 | node_cpumask[nodenr] = 0; | |
2583 | } else { | |
2584 | value = strtoull(option, &endptr, 10); | |
2585 | if (value >= 64) { | |
2586 | value = 63; | |
2587 | fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n"); | |
2588 | } else { | |
2589 | if (*endptr == '-') { | |
2590 | endvalue = strtoull(endptr+1, &endptr, 10); | |
2591 | if (endvalue >= 63) { | |
2592 | endvalue = 62; | |
2593 | fprintf(stderr, | |
2594 | "only 63 CPUs in NUMA mode supported.\n"); | |
2595 | } | |
2596 | value = (1 << (endvalue + 1)) - (1 << value); | |
2597 | } else { | |
2598 | value = 1 << value; | |
2599 | } | |
2600 | } | |
2601 | node_cpumask[nodenr] = value; | |
2602 | } | |
2603 | nb_numa_nodes++; | |
2604 | } | |
2605 | return; | |
2606 | } | |
2607 | ||
a594cfbf FB |
2608 | /***********************************************************/ |
2609 | /* USB devices */ | |
2610 | ||
0d92ed30 PB |
2611 | static USBPort *used_usb_ports; |
2612 | static USBPort *free_usb_ports; | |
2613 | ||
2614 | /* ??? Maybe change this to register a hub to keep track of the topology. */ | |
2615 | void qemu_register_usb_port(USBPort *port, void *opaque, int index, | |
2616 | usb_attachfn attach) | |
2617 | { | |
2618 | port->opaque = opaque; | |
2619 | port->index = index; | |
2620 | port->attach = attach; | |
2621 | port->next = free_usb_ports; | |
2622 | free_usb_ports = port; | |
2623 | } | |
2624 | ||
4b096fc9 AL |
2625 | int usb_device_add_dev(USBDevice *dev) |
2626 | { | |
2627 | USBPort *port; | |
2628 | ||
2629 | /* Find a USB port to add the device to. */ | |
2630 | port = free_usb_ports; | |
2631 | if (!port->next) { | |
2632 | USBDevice *hub; | |
2633 | ||
2634 | /* Create a new hub and chain it on. */ | |
2635 | free_usb_ports = NULL; | |
2636 | port->next = used_usb_ports; | |
2637 | used_usb_ports = port; | |
2638 | ||
2639 | hub = usb_hub_init(VM_USB_HUB_SIZE); | |
2640 | usb_attach(port, hub); | |
2641 | port = free_usb_ports; | |
2642 | } | |
2643 | ||
2644 | free_usb_ports = port->next; | |
2645 | port->next = used_usb_ports; | |
2646 | used_usb_ports = port; | |
2647 | usb_attach(port, dev); | |
2648 | return 0; | |
2649 | } | |
2650 | ||
bb5fc20f AL |
2651 | static void usb_msd_password_cb(void *opaque, int err) |
2652 | { | |
2653 | USBDevice *dev = opaque; | |
2654 | ||
2655 | if (!err) | |
2656 | usb_device_add_dev(dev); | |
2657 | else | |
2658 | dev->handle_destroy(dev); | |
2659 | } | |
2660 | ||
c0f4ce77 | 2661 | static int usb_device_add(const char *devname, int is_hotplug) |
a594cfbf FB |
2662 | { |
2663 | const char *p; | |
2664 | USBDevice *dev; | |
a594cfbf | 2665 | |
0d92ed30 | 2666 | if (!free_usb_ports) |
a594cfbf FB |
2667 | return -1; |
2668 | ||
2669 | if (strstart(devname, "host:", &p)) { | |
2670 | dev = usb_host_device_open(p); | |
a594cfbf FB |
2671 | } else if (!strcmp(devname, "mouse")) { |
2672 | dev = usb_mouse_init(); | |
09b26c5e | 2673 | } else if (!strcmp(devname, "tablet")) { |
47b2d338 AZ |
2674 | dev = usb_tablet_init(); |
2675 | } else if (!strcmp(devname, "keyboard")) { | |
2676 | dev = usb_keyboard_init(); | |
2e5d83bb | 2677 | } else if (strstart(devname, "disk:", &p)) { |
c0f4ce77 AL |
2678 | BlockDriverState *bs; |
2679 | ||
bb5fc20f | 2680 | dev = usb_msd_init(p); |
c0f4ce77 AL |
2681 | if (!dev) |
2682 | return -1; | |
bb5fc20f | 2683 | bs = usb_msd_get_bdrv(dev); |
c0f4ce77 AL |
2684 | if (bdrv_key_required(bs)) { |
2685 | autostart = 0; | |
bb5fc20f | 2686 | if (is_hotplug) { |
376253ec AL |
2687 | monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb, |
2688 | dev); | |
bb5fc20f | 2689 | return 0; |
c0f4ce77 AL |
2690 | } |
2691 | } | |
f6d2a316 AZ |
2692 | } else if (!strcmp(devname, "wacom-tablet")) { |
2693 | dev = usb_wacom_init(); | |
a7954218 AZ |
2694 | } else if (strstart(devname, "serial:", &p)) { |
2695 | dev = usb_serial_init(p); | |
2e4d9fb1 AJ |
2696 | #ifdef CONFIG_BRLAPI |
2697 | } else if (!strcmp(devname, "braille")) { | |
2698 | dev = usb_baum_init(); | |
2699 | #endif | |
6c9f886c | 2700 | } else if (strstart(devname, "net:", &p)) { |
9ad97e65 | 2701 | int nic = nb_nics; |
6c9f886c | 2702 | |
10ae5a7a | 2703 | if (net_client_init(NULL, "nic", p) < 0) |
6c9f886c | 2704 | return -1; |
9ad97e65 AZ |
2705 | nd_table[nic].model = "usb"; |
2706 | dev = usb_net_init(&nd_table[nic]); | |
dc72ac14 AZ |
2707 | } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { |
2708 | dev = usb_bt_init(devname[2] ? hci_init(p) : | |
2709 | bt_new_hci(qemu_find_bt_vlan(0))); | |
a594cfbf FB |
2710 | } else { |
2711 | return -1; | |
2712 | } | |
0d92ed30 PB |
2713 | if (!dev) |
2714 | return -1; | |
2715 | ||
4b096fc9 | 2716 | return usb_device_add_dev(dev); |
a594cfbf FB |
2717 | } |
2718 | ||
1f3870ab | 2719 | int usb_device_del_addr(int bus_num, int addr) |
a594cfbf | 2720 | { |
0d92ed30 PB |
2721 | USBPort *port; |
2722 | USBPort **lastp; | |
059809e4 | 2723 | USBDevice *dev; |
a594cfbf | 2724 | |
0d92ed30 | 2725 | if (!used_usb_ports) |
a594cfbf FB |
2726 | return -1; |
2727 | ||
a594cfbf FB |
2728 | if (bus_num != 0) |
2729 | return -1; | |
0d92ed30 PB |
2730 | |
2731 | lastp = &used_usb_ports; | |
2732 | port = used_usb_ports; | |
2733 | while (port && port->dev->addr != addr) { | |
2734 | lastp = &port->next; | |
2735 | port = port->next; | |
a594cfbf | 2736 | } |
0d92ed30 PB |
2737 | |
2738 | if (!port) | |
a594cfbf | 2739 | return -1; |
0d92ed30 | 2740 | |
059809e4 | 2741 | dev = port->dev; |
0d92ed30 PB |
2742 | *lastp = port->next; |
2743 | usb_attach(port, NULL); | |
059809e4 | 2744 | dev->handle_destroy(dev); |
0d92ed30 PB |
2745 | port->next = free_usb_ports; |
2746 | free_usb_ports = port; | |
a594cfbf FB |
2747 | return 0; |
2748 | } | |
2749 | ||
1f3870ab AL |
2750 | static int usb_device_del(const char *devname) |
2751 | { | |
2752 | int bus_num, addr; | |
2753 | const char *p; | |
2754 | ||
5d0c5750 AL |
2755 | if (strstart(devname, "host:", &p)) |
2756 | return usb_host_device_close(p); | |
2757 | ||
1f3870ab AL |
2758 | if (!used_usb_ports) |
2759 | return -1; | |
2760 | ||
2761 | p = strchr(devname, '.'); | |
2762 | if (!p) | |
2763 | return -1; | |
2764 | bus_num = strtoul(devname, NULL, 0); | |
2765 | addr = strtoul(p + 1, NULL, 0); | |
2766 | ||
2767 | return usb_device_del_addr(bus_num, addr); | |
2768 | } | |
2769 | ||
376253ec | 2770 | void do_usb_add(Monitor *mon, const char *devname) |
a594cfbf | 2771 | { |
c0f4ce77 | 2772 | usb_device_add(devname, 1); |
a594cfbf FB |
2773 | } |
2774 | ||
376253ec | 2775 | void do_usb_del(Monitor *mon, const char *devname) |
a594cfbf | 2776 | { |
4b096fc9 | 2777 | usb_device_del(devname); |
a594cfbf FB |
2778 | } |
2779 | ||
376253ec | 2780 | void usb_info(Monitor *mon) |
a594cfbf FB |
2781 | { |
2782 | USBDevice *dev; | |
0d92ed30 | 2783 | USBPort *port; |
a594cfbf FB |
2784 | const char *speed_str; |
2785 | ||
0d92ed30 | 2786 | if (!usb_enabled) { |
376253ec | 2787 | monitor_printf(mon, "USB support not enabled\n"); |
a594cfbf FB |
2788 | return; |
2789 | } | |
2790 | ||
0d92ed30 PB |
2791 | for (port = used_usb_ports; port; port = port->next) { |
2792 | dev = port->dev; | |
2793 | if (!dev) | |
2794 | continue; | |
2795 | switch(dev->speed) { | |
5fafdf24 TS |
2796 | case USB_SPEED_LOW: |
2797 | speed_str = "1.5"; | |
0d92ed30 | 2798 | break; |
5fafdf24 TS |
2799 | case USB_SPEED_FULL: |
2800 | speed_str = "12"; | |
0d92ed30 | 2801 | break; |
5fafdf24 TS |
2802 | case USB_SPEED_HIGH: |
2803 | speed_str = "480"; | |
0d92ed30 PB |
2804 | break; |
2805 | default: | |
5fafdf24 | 2806 | speed_str = "?"; |
0d92ed30 | 2807 | break; |
a594cfbf | 2808 | } |
376253ec AL |
2809 | monitor_printf(mon, " Device %d.%d, Speed %s Mb/s, Product %s\n", |
2810 | 0, dev->addr, speed_str, dev->devname); | |
a594cfbf FB |
2811 | } |
2812 | } | |
2813 | ||
201a51fc AZ |
2814 | /***********************************************************/ |
2815 | /* PCMCIA/Cardbus */ | |
2816 | ||
2817 | static struct pcmcia_socket_entry_s { | |
bc24a225 | 2818 | PCMCIASocket *socket; |
201a51fc AZ |
2819 | struct pcmcia_socket_entry_s *next; |
2820 | } *pcmcia_sockets = 0; | |
2821 | ||
bc24a225 | 2822 | void pcmcia_socket_register(PCMCIASocket *socket) |
201a51fc AZ |
2823 | { |
2824 | struct pcmcia_socket_entry_s *entry; | |
2825 | ||
2826 | entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); | |
2827 | entry->socket = socket; | |
2828 | entry->next = pcmcia_sockets; | |
2829 | pcmcia_sockets = entry; | |
2830 | } | |
2831 | ||
bc24a225 | 2832 | void pcmcia_socket_unregister(PCMCIASocket *socket) |
201a51fc AZ |
2833 | { |
2834 | struct pcmcia_socket_entry_s *entry, **ptr; | |
2835 | ||
2836 | ptr = &pcmcia_sockets; | |
2837 | for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) | |
2838 | if (entry->socket == socket) { | |
2839 | *ptr = entry->next; | |
2840 | qemu_free(entry); | |
2841 | } | |
2842 | } | |
2843 | ||
376253ec | 2844 | void pcmcia_info(Monitor *mon) |
201a51fc AZ |
2845 | { |
2846 | struct pcmcia_socket_entry_s *iter; | |
376253ec | 2847 | |
201a51fc | 2848 | if (!pcmcia_sockets) |
376253ec | 2849 | monitor_printf(mon, "No PCMCIA sockets\n"); |
201a51fc AZ |
2850 | |
2851 | for (iter = pcmcia_sockets; iter; iter = iter->next) | |
376253ec AL |
2852 | monitor_printf(mon, "%s: %s\n", iter->socket->slot_string, |
2853 | iter->socket->attached ? iter->socket->card_string : | |
2854 | "Empty"); | |
201a51fc AZ |
2855 | } |
2856 | ||
2ff89790 | 2857 | /***********************************************************/ |
3023f332 AL |
2858 | /* register display */ |
2859 | ||
7b5d76da AL |
2860 | struct DisplayAllocator default_allocator = { |
2861 | defaultallocator_create_displaysurface, | |
2862 | defaultallocator_resize_displaysurface, | |
2863 | defaultallocator_free_displaysurface | |
2864 | }; | |
2865 | ||
3023f332 AL |
2866 | void register_displaystate(DisplayState *ds) |
2867 | { | |
2868 | DisplayState **s; | |
2869 | s = &display_state; | |
2870 | while (*s != NULL) | |
2871 | s = &(*s)->next; | |
2872 | ds->next = NULL; | |
2873 | *s = ds; | |
2874 | } | |
2875 | ||
2876 | DisplayState *get_displaystate(void) | |
2877 | { | |
2878 | return display_state; | |
2879 | } | |
2880 | ||
7b5d76da AL |
2881 | DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da) |
2882 | { | |
2883 | if(ds->allocator == &default_allocator) ds->allocator = da; | |
2884 | return ds->allocator; | |
2885 | } | |
2886 | ||
2ff89790 TS |
2887 | /* dumb display */ |
2888 | ||
8f391ab4 | 2889 | static void dumb_display_init(void) |
2ff89790 | 2890 | { |
8f391ab4 | 2891 | DisplayState *ds = qemu_mallocz(sizeof(DisplayState)); |
7b5d76da AL |
2892 | ds->allocator = &default_allocator; |
2893 | ds->surface = qemu_create_displaysurface(ds, 640, 480); | |
8f391ab4 | 2894 | register_displaystate(ds); |
2ff89790 TS |
2895 | } |
2896 | ||
8a7ddc38 FB |
2897 | /***********************************************************/ |
2898 | /* I/O handling */ | |
0824d6fc | 2899 | |
c4b1fcc0 FB |
2900 | typedef struct IOHandlerRecord { |
2901 | int fd; | |
7c9d8e07 FB |
2902 | IOCanRWHandler *fd_read_poll; |
2903 | IOHandler *fd_read; | |
2904 | IOHandler *fd_write; | |
cafffd40 | 2905 | int deleted; |
c4b1fcc0 FB |
2906 | void *opaque; |
2907 | /* temporary data */ | |
2908 | struct pollfd *ufd; | |
8a7ddc38 | 2909 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
2910 | } IOHandlerRecord; |
2911 | ||
8a7ddc38 | 2912 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 2913 | |
7c9d8e07 FB |
2914 | /* XXX: fd_read_poll should be suppressed, but an API change is |
2915 | necessary in the character devices to suppress fd_can_read(). */ | |
5fafdf24 TS |
2916 | int qemu_set_fd_handler2(int fd, |
2917 | IOCanRWHandler *fd_read_poll, | |
2918 | IOHandler *fd_read, | |
2919 | IOHandler *fd_write, | |
7c9d8e07 | 2920 | void *opaque) |
c4b1fcc0 | 2921 | { |
7c9d8e07 | 2922 | IOHandlerRecord **pioh, *ioh; |
c4b1fcc0 | 2923 | |
7c9d8e07 FB |
2924 | if (!fd_read && !fd_write) { |
2925 | pioh = &first_io_handler; | |
2926 | for(;;) { | |
2927 | ioh = *pioh; | |
2928 | if (ioh == NULL) | |
2929 | break; | |
2930 | if (ioh->fd == fd) { | |
cafffd40 | 2931 | ioh->deleted = 1; |
7c9d8e07 FB |
2932 | break; |
2933 | } | |
2934 | pioh = &ioh->next; | |
2935 | } | |
2936 | } else { | |
2937 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
2938 | if (ioh->fd == fd) | |
2939 | goto found; | |
2940 | } | |
2941 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
7c9d8e07 FB |
2942 | ioh->next = first_io_handler; |
2943 | first_io_handler = ioh; | |
2944 | found: | |
2945 | ioh->fd = fd; | |
2946 | ioh->fd_read_poll = fd_read_poll; | |
2947 | ioh->fd_read = fd_read; | |
2948 | ioh->fd_write = fd_write; | |
2949 | ioh->opaque = opaque; | |
cafffd40 | 2950 | ioh->deleted = 0; |
7c9d8e07 | 2951 | } |
c4b1fcc0 FB |
2952 | return 0; |
2953 | } | |
2954 | ||
5fafdf24 TS |
2955 | int qemu_set_fd_handler(int fd, |
2956 | IOHandler *fd_read, | |
2957 | IOHandler *fd_write, | |
7c9d8e07 | 2958 | void *opaque) |
8a7ddc38 | 2959 | { |
7c9d8e07 | 2960 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); |
8a7ddc38 FB |
2961 | } |
2962 | ||
56f3a5d0 | 2963 | #ifdef _WIN32 |
f331110f FB |
2964 | /***********************************************************/ |
2965 | /* Polling handling */ | |
2966 | ||
2967 | typedef struct PollingEntry { | |
2968 | PollingFunc *func; | |
2969 | void *opaque; | |
2970 | struct PollingEntry *next; | |
2971 | } PollingEntry; | |
2972 | ||
2973 | static PollingEntry *first_polling_entry; | |
2974 | ||
2975 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) | |
2976 | { | |
2977 | PollingEntry **ppe, *pe; | |
2978 | pe = qemu_mallocz(sizeof(PollingEntry)); | |
f331110f FB |
2979 | pe->func = func; |
2980 | pe->opaque = opaque; | |
2981 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); | |
2982 | *ppe = pe; | |
2983 | return 0; | |
2984 | } | |
2985 | ||
2986 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) | |
2987 | { | |
2988 | PollingEntry **ppe, *pe; | |
2989 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { | |
2990 | pe = *ppe; | |
2991 | if (pe->func == func && pe->opaque == opaque) { | |
2992 | *ppe = pe->next; | |
2993 | qemu_free(pe); | |
2994 | break; | |
2995 | } | |
2996 | } | |
2997 | } | |
2998 | ||
a18e524a FB |
2999 | /***********************************************************/ |
3000 | /* Wait objects support */ | |
3001 | typedef struct WaitObjects { | |
3002 | int num; | |
3003 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; | |
3004 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; | |
3005 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; | |
3006 | } WaitObjects; | |
3007 | ||
3008 | static WaitObjects wait_objects = {0}; | |
3b46e624 | 3009 | |
a18e524a FB |
3010 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) |
3011 | { | |
3012 | WaitObjects *w = &wait_objects; | |
3013 | ||
3014 | if (w->num >= MAXIMUM_WAIT_OBJECTS) | |
3015 | return -1; | |
3016 | w->events[w->num] = handle; | |
3017 | w->func[w->num] = func; | |
3018 | w->opaque[w->num] = opaque; | |
3019 | w->num++; | |
3020 | return 0; | |
3021 | } | |
3022 | ||
3023 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
3024 | { | |
3025 | int i, found; | |
3026 | WaitObjects *w = &wait_objects; | |
3027 | ||
3028 | found = 0; | |
3029 | for (i = 0; i < w->num; i++) { | |
3030 | if (w->events[i] == handle) | |
3031 | found = 1; | |
3032 | if (found) { | |
3033 | w->events[i] = w->events[i + 1]; | |
3034 | w->func[i] = w->func[i + 1]; | |
3035 | w->opaque[i] = w->opaque[i + 1]; | |
3b46e624 | 3036 | } |
a18e524a FB |
3037 | } |
3038 | if (found) | |
3039 | w->num--; | |
3040 | } | |
3041 | #endif | |
3042 | ||
8a7ddc38 FB |
3043 | /***********************************************************/ |
3044 | /* ram save/restore */ | |
3045 | ||
8a7ddc38 FB |
3046 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) |
3047 | { | |
3048 | int v; | |
3049 | ||
3050 | v = qemu_get_byte(f); | |
3051 | switch(v) { | |
3052 | case 0: | |
3053 | if (qemu_get_buffer(f, buf, len) != len) | |
3054 | return -EIO; | |
3055 | break; | |
3056 | case 1: | |
3057 | v = qemu_get_byte(f); | |
3058 | memset(buf, v, len); | |
3059 | break; | |
3060 | default: | |
3061 | return -EINVAL; | |
3062 | } | |
871d2f07 AL |
3063 | |
3064 | if (qemu_file_has_error(f)) | |
3065 | return -EIO; | |
3066 | ||
8a7ddc38 FB |
3067 | return 0; |
3068 | } | |
3069 | ||
c88676f8 FB |
3070 | static int ram_load_v1(QEMUFile *f, void *opaque) |
3071 | { | |
00f82b8a AJ |
3072 | int ret; |
3073 | ram_addr_t i; | |
c88676f8 | 3074 | |
94a6b54f | 3075 | if (qemu_get_be32(f) != last_ram_offset) |
c88676f8 | 3076 | return -EINVAL; |
94a6b54f | 3077 | for(i = 0; i < last_ram_offset; i+= TARGET_PAGE_SIZE) { |
5579c7f3 | 3078 | ret = ram_get_page(f, qemu_get_ram_ptr(i), TARGET_PAGE_SIZE); |
c88676f8 FB |
3079 | if (ret) |
3080 | return ret; | |
3081 | } | |
3082 | return 0; | |
3083 | } | |
3084 | ||
3085 | #define BDRV_HASH_BLOCK_SIZE 1024 | |
3086 | #define IOBUF_SIZE 4096 | |
3087 | #define RAM_CBLOCK_MAGIC 0xfabe | |
3088 | ||
c88676f8 FB |
3089 | typedef struct RamDecompressState { |
3090 | z_stream zstream; | |
3091 | QEMUFile *f; | |
3092 | uint8_t buf[IOBUF_SIZE]; | |
3093 | } RamDecompressState; | |
3094 | ||
3095 | static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) | |
3096 | { | |
3097 | int ret; | |
3098 | memset(s, 0, sizeof(*s)); | |
3099 | s->f = f; | |
3100 | ret = inflateInit(&s->zstream); | |
3101 | if (ret != Z_OK) | |
3102 | return -1; | |
3103 | return 0; | |
3104 | } | |
3105 | ||
3106 | static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) | |
3107 | { | |
3108 | int ret, clen; | |
3109 | ||
3110 | s->zstream.avail_out = len; | |
3111 | s->zstream.next_out = buf; | |
3112 | while (s->zstream.avail_out > 0) { | |
3113 | if (s->zstream.avail_in == 0) { | |
3114 | if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC) | |
3115 | return -1; | |
3116 | clen = qemu_get_be16(s->f); | |
3117 | if (clen > IOBUF_SIZE) | |
3118 | return -1; | |
3119 | qemu_get_buffer(s->f, s->buf, clen); | |
3120 | s->zstream.avail_in = clen; | |
3121 | s->zstream.next_in = s->buf; | |
3122 | } | |
3123 | ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); | |
3124 | if (ret != Z_OK && ret != Z_STREAM_END) { | |
3125 | return -1; | |
3126 | } | |
3127 | } | |
3128 | return 0; | |
3129 | } | |
3130 | ||
3131 | static void ram_decompress_close(RamDecompressState *s) | |
3132 | { | |
3133 | inflateEnd(&s->zstream); | |
3134 | } | |
3135 | ||
475e4277 AL |
3136 | #define RAM_SAVE_FLAG_FULL 0x01 |
3137 | #define RAM_SAVE_FLAG_COMPRESS 0x02 | |
3138 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
3139 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
3140 | #define RAM_SAVE_FLAG_EOS 0x10 | |
3141 | ||
3142 | static int is_dup_page(uint8_t *page, uint8_t ch) | |
8a7ddc38 | 3143 | { |
475e4277 AL |
3144 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
3145 | uint32_t *array = (uint32_t *)page; | |
3146 | int i; | |
3b46e624 | 3147 | |
475e4277 AL |
3148 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
3149 | if (array[i] != val) | |
3150 | return 0; | |
3151 | } | |
3152 | ||
3153 | return 1; | |
3154 | } | |
3155 | ||
3156 | static int ram_save_block(QEMUFile *f) | |
3157 | { | |
3158 | static ram_addr_t current_addr = 0; | |
3159 | ram_addr_t saved_addr = current_addr; | |
3160 | ram_addr_t addr = 0; | |
3161 | int found = 0; | |
3162 | ||
94a6b54f | 3163 | while (addr < last_ram_offset) { |
475e4277 | 3164 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { |
5579c7f3 | 3165 | uint8_t *p; |
475e4277 AL |
3166 | |
3167 | cpu_physical_memory_reset_dirty(current_addr, | |
3168 | current_addr + TARGET_PAGE_SIZE, | |
3169 | MIGRATION_DIRTY_FLAG); | |
3170 | ||
5579c7f3 | 3171 | p = qemu_get_ram_ptr(current_addr); |
475e4277 | 3172 | |
5579c7f3 | 3173 | if (is_dup_page(p, *p)) { |
475e4277 | 3174 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
5579c7f3 | 3175 | qemu_put_byte(f, *p); |
475e4277 AL |
3176 | } else { |
3177 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); | |
5579c7f3 | 3178 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
c88676f8 | 3179 | } |
475e4277 AL |
3180 | |
3181 | found = 1; | |
3182 | break; | |
c88676f8 | 3183 | } |
475e4277 | 3184 | addr += TARGET_PAGE_SIZE; |
94a6b54f | 3185 | current_addr = (saved_addr + addr) % last_ram_offset; |
8a7ddc38 | 3186 | } |
475e4277 AL |
3187 | |
3188 | return found; | |
8a7ddc38 FB |
3189 | } |
3190 | ||
9f9e28cd | 3191 | static uint64_t bytes_transferred = 0; |
475e4277 AL |
3192 | |
3193 | static ram_addr_t ram_save_remaining(void) | |
3194 | { | |
3195 | ram_addr_t addr; | |
3196 | ram_addr_t count = 0; | |
3197 | ||
94a6b54f | 3198 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
475e4277 AL |
3199 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
3200 | count++; | |
3201 | } | |
3202 | ||
3203 | return count; | |
3204 | } | |
3205 | ||
9f9e28cd GC |
3206 | uint64_t ram_bytes_remaining(void) |
3207 | { | |
3208 | return ram_save_remaining() * TARGET_PAGE_SIZE; | |
3209 | } | |
3210 | ||
3211 | uint64_t ram_bytes_transferred(void) | |
3212 | { | |
3213 | return bytes_transferred; | |
3214 | } | |
3215 | ||
3216 | uint64_t ram_bytes_total(void) | |
3217 | { | |
3218 | return last_ram_offset; | |
3219 | } | |
3220 | ||
475e4277 AL |
3221 | static int ram_save_live(QEMUFile *f, int stage, void *opaque) |
3222 | { | |
3223 | ram_addr_t addr; | |
a0a3fd60 GC |
3224 | uint64_t bytes_transferred_last; |
3225 | double bwidth = 0; | |
3226 | uint64_t expected_time = 0; | |
475e4277 | 3227 | |
9fa06385 | 3228 | if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { |
b0a46a33 JK |
3229 | qemu_file_set_error(f); |
3230 | return 0; | |
3231 | } | |
3232 | ||
475e4277 AL |
3233 | if (stage == 1) { |
3234 | /* Make sure all dirty bits are set */ | |
94a6b54f | 3235 | for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) { |
475e4277 AL |
3236 | if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) |
3237 | cpu_physical_memory_set_dirty(addr); | |
3238 | } | |
b0a46a33 | 3239 | |
475e4277 AL |
3240 | /* Enable dirty memory tracking */ |
3241 | cpu_physical_memory_set_dirty_tracking(1); | |
3242 | ||
94a6b54f | 3243 | qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE); |
475e4277 AL |
3244 | } |
3245 | ||
a0a3fd60 GC |
3246 | bytes_transferred_last = bytes_transferred; |
3247 | bwidth = get_clock(); | |
3248 | ||
475e4277 AL |
3249 | while (!qemu_file_rate_limit(f)) { |
3250 | int ret; | |
3251 | ||
3252 | ret = ram_save_block(f); | |
9f9e28cd | 3253 | bytes_transferred += ret * TARGET_PAGE_SIZE; |
475e4277 AL |
3254 | if (ret == 0) /* no more blocks */ |
3255 | break; | |
3256 | } | |
3257 | ||
a0a3fd60 GC |
3258 | bwidth = get_clock() - bwidth; |
3259 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; | |
3260 | ||
3261 | /* if we haven't transferred anything this round, force expected_time to a | |
3262 | * a very high value, but without crashing */ | |
3263 | if (bwidth == 0) | |
3264 | bwidth = 0.000001; | |
3265 | ||
475e4277 AL |
3266 | /* try transferring iterative blocks of memory */ |
3267 | ||
3268 | if (stage == 3) { | |
475e4277 AL |
3269 | |
3270 | /* flush all remaining blocks regardless of rate limiting */ | |
9f9e28cd GC |
3271 | while (ram_save_block(f) != 0) { |
3272 | bytes_transferred += TARGET_PAGE_SIZE; | |
3273 | } | |
8215e914 | 3274 | cpu_physical_memory_set_dirty_tracking(0); |
475e4277 AL |
3275 | } |
3276 | ||
3277 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); | |
3278 | ||
a0a3fd60 GC |
3279 | expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
3280 | ||
3281 | return (stage == 2) && (expected_time <= migrate_max_downtime()); | |
475e4277 AL |
3282 | } |
3283 | ||
3284 | static int ram_load_dead(QEMUFile *f, void *opaque) | |
8a7ddc38 | 3285 | { |
c88676f8 FB |
3286 | RamDecompressState s1, *s = &s1; |
3287 | uint8_t buf[10]; | |
00f82b8a | 3288 | ram_addr_t i; |
8a7ddc38 | 3289 | |
c88676f8 FB |
3290 | if (ram_decompress_open(s, f) < 0) |
3291 | return -EINVAL; | |
94a6b54f | 3292 | for(i = 0; i < last_ram_offset; i+= BDRV_HASH_BLOCK_SIZE) { |
c88676f8 FB |
3293 | if (ram_decompress_buf(s, buf, 1) < 0) { |
3294 | fprintf(stderr, "Error while reading ram block header\n"); | |
3295 | goto error; | |
3296 | } | |
3297 | if (buf[0] == 0) { | |
5579c7f3 PB |
3298 | if (ram_decompress_buf(s, qemu_get_ram_ptr(i), |
3299 | BDRV_HASH_BLOCK_SIZE) < 0) { | |
00f82b8a | 3300 | fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i); |
c88676f8 FB |
3301 | goto error; |
3302 | } | |
475e4277 | 3303 | } else { |
c88676f8 FB |
3304 | error: |
3305 | printf("Error block header\n"); | |
3306 | return -EINVAL; | |
3307 | } | |
8a7ddc38 | 3308 | } |
c88676f8 | 3309 | ram_decompress_close(s); |
475e4277 AL |
3310 | |
3311 | return 0; | |
3312 | } | |
3313 | ||
3314 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
3315 | { | |
3316 | ram_addr_t addr; | |
3317 | int flags; | |
3318 | ||
3319 | if (version_id == 1) | |
3320 | return ram_load_v1(f, opaque); | |
3321 | ||
3322 | if (version_id == 2) { | |
94a6b54f | 3323 | if (qemu_get_be32(f) != last_ram_offset) |
475e4277 AL |
3324 | return -EINVAL; |
3325 | return ram_load_dead(f, opaque); | |
3326 | } | |
3327 | ||
3328 | if (version_id != 3) | |
3329 | return -EINVAL; | |
3330 | ||
3331 | do { | |
3332 | addr = qemu_get_be64(f); | |
3333 | ||
3334 | flags = addr & ~TARGET_PAGE_MASK; | |
3335 | addr &= TARGET_PAGE_MASK; | |
3336 | ||
3337 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
94a6b54f | 3338 | if (addr != last_ram_offset) |
475e4277 AL |
3339 | return -EINVAL; |
3340 | } | |
3341 | ||
3342 | if (flags & RAM_SAVE_FLAG_FULL) { | |
3343 | if (ram_load_dead(f, opaque) < 0) | |
3344 | return -EINVAL; | |
3345 | } | |
3346 | ||
3347 | if (flags & RAM_SAVE_FLAG_COMPRESS) { | |
3348 | uint8_t ch = qemu_get_byte(f); | |
5579c7f3 | 3349 | memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); |
475e4277 | 3350 | } else if (flags & RAM_SAVE_FLAG_PAGE) |
5579c7f3 | 3351 | qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); |
475e4277 AL |
3352 | } while (!(flags & RAM_SAVE_FLAG_EOS)); |
3353 | ||
8a7ddc38 FB |
3354 | return 0; |
3355 | } | |
3356 | ||
9e472e10 AL |
3357 | void qemu_service_io(void) |
3358 | { | |
d9f75a4e | 3359 | qemu_notify_event(); |
9e472e10 AL |
3360 | } |
3361 | ||
83f64091 FB |
3362 | /***********************************************************/ |
3363 | /* bottom halves (can be seen as timers which expire ASAP) */ | |
3364 | ||
3365 | struct QEMUBH { | |
3366 | QEMUBHFunc *cb; | |
3367 | void *opaque; | |
3368 | int scheduled; | |
1b435b10 AL |
3369 | int idle; |
3370 | int deleted; | |
83f64091 FB |
3371 | QEMUBH *next; |
3372 | }; | |
3373 | ||
3374 | static QEMUBH *first_bh = NULL; | |
3375 | ||
3376 | QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque) | |
3377 | { | |
3378 | QEMUBH *bh; | |
3379 | bh = qemu_mallocz(sizeof(QEMUBH)); | |
83f64091 FB |
3380 | bh->cb = cb; |
3381 | bh->opaque = opaque; | |
1b435b10 AL |
3382 | bh->next = first_bh; |
3383 | first_bh = bh; | |
83f64091 FB |
3384 | return bh; |
3385 | } | |
3386 | ||
6eb5733a | 3387 | int qemu_bh_poll(void) |
83f64091 | 3388 | { |
1b435b10 | 3389 | QEMUBH *bh, **bhp; |
6eb5733a | 3390 | int ret; |
83f64091 | 3391 | |
6eb5733a | 3392 | ret = 0; |
1b435b10 AL |
3393 | for (bh = first_bh; bh; bh = bh->next) { |
3394 | if (!bh->deleted && bh->scheduled) { | |
3395 | bh->scheduled = 0; | |
3396 | if (!bh->idle) | |
3397 | ret = 1; | |
3398 | bh->idle = 0; | |
3399 | bh->cb(bh->opaque); | |
3400 | } | |
83f64091 | 3401 | } |
1b435b10 AL |
3402 | |
3403 | /* remove deleted bhs */ | |
3404 | bhp = &first_bh; | |
3405 | while (*bhp) { | |
3406 | bh = *bhp; | |
3407 | if (bh->deleted) { | |
3408 | *bhp = bh->next; | |
3409 | qemu_free(bh); | |
3410 | } else | |
3411 | bhp = &bh->next; | |
3412 | } | |
3413 | ||
6eb5733a | 3414 | return ret; |
83f64091 FB |
3415 | } |
3416 | ||
1b435b10 AL |
3417 | void qemu_bh_schedule_idle(QEMUBH *bh) |
3418 | { | |
3419 | if (bh->scheduled) | |
3420 | return; | |
3421 | bh->scheduled = 1; | |
3422 | bh->idle = 1; | |
3423 | } | |
3424 | ||
83f64091 FB |
3425 | void qemu_bh_schedule(QEMUBH *bh) |
3426 | { | |
83f64091 FB |
3427 | if (bh->scheduled) |
3428 | return; | |
3429 | bh->scheduled = 1; | |
1b435b10 | 3430 | bh->idle = 0; |
83f64091 | 3431 | /* stop the currently executing CPU to execute the BH ASAP */ |
d9f75a4e | 3432 | qemu_notify_event(); |
83f64091 FB |
3433 | } |
3434 | ||
3435 | void qemu_bh_cancel(QEMUBH *bh) | |
3436 | { | |
1b435b10 | 3437 | bh->scheduled = 0; |
83f64091 FB |
3438 | } |
3439 | ||
3440 | void qemu_bh_delete(QEMUBH *bh) | |
3441 | { | |
1b435b10 AL |
3442 | bh->scheduled = 0; |
3443 | bh->deleted = 1; | |
83f64091 FB |
3444 | } |
3445 | ||
56f3a5d0 AL |
3446 | static void qemu_bh_update_timeout(int *timeout) |
3447 | { | |
3448 | QEMUBH *bh; | |
3449 | ||
3450 | for (bh = first_bh; bh; bh = bh->next) { | |
3451 | if (!bh->deleted && bh->scheduled) { | |
3452 | if (bh->idle) { | |
3453 | /* idle bottom halves will be polled at least | |
3454 | * every 10ms */ | |
3455 | *timeout = MIN(10, *timeout); | |
3456 | } else { | |
3457 | /* non-idle bottom halves will be executed | |
3458 | * immediately */ | |
3459 | *timeout = 0; | |
3460 | break; | |
3461 | } | |
3462 | } | |
3463 | } | |
3464 | } | |
3465 | ||
cc1daa40 FB |
3466 | /***********************************************************/ |
3467 | /* machine registration */ | |
3468 | ||
bdaf78e0 | 3469 | static QEMUMachine *first_machine = NULL; |
6f338c34 | 3470 | QEMUMachine *current_machine = NULL; |
cc1daa40 FB |
3471 | |
3472 | int qemu_register_machine(QEMUMachine *m) | |
3473 | { | |
3474 | QEMUMachine **pm; | |
3475 | pm = &first_machine; | |
3476 | while (*pm != NULL) | |
3477 | pm = &(*pm)->next; | |
3478 | m->next = NULL; | |
3479 | *pm = m; | |
3480 | return 0; | |
3481 | } | |
3482 | ||
9596ebb7 | 3483 | static QEMUMachine *find_machine(const char *name) |
cc1daa40 FB |
3484 | { |
3485 | QEMUMachine *m; | |
3486 | ||
3487 | for(m = first_machine; m != NULL; m = m->next) { | |
3488 | if (!strcmp(m->name, name)) | |
3489 | return m; | |
3490 | } | |
3491 | return NULL; | |
3492 | } | |
3493 | ||
0c257437 AL |
3494 | static QEMUMachine *find_default_machine(void) |
3495 | { | |
3496 | QEMUMachine *m; | |
3497 | ||
3498 | for(m = first_machine; m != NULL; m = m->next) { | |
3499 | if (m->is_default) { | |
3500 | return m; | |
3501 | } | |
3502 | } | |
3503 | return NULL; | |
3504 | } | |
3505 | ||
8a7ddc38 FB |
3506 | /***********************************************************/ |
3507 | /* main execution loop */ | |
3508 | ||
9596ebb7 | 3509 | static void gui_update(void *opaque) |
8a7ddc38 | 3510 | { |
7d957bd8 | 3511 | uint64_t interval = GUI_REFRESH_INTERVAL; |
740733bb | 3512 | DisplayState *ds = opaque; |
7d957bd8 AL |
3513 | DisplayChangeListener *dcl = ds->listeners; |
3514 | ||
3515 | dpy_refresh(ds); | |
3516 | ||
3517 | while (dcl != NULL) { | |
3518 | if (dcl->gui_timer_interval && | |
3519 | dcl->gui_timer_interval < interval) | |
3520 | interval = dcl->gui_timer_interval; | |
3521 | dcl = dcl->next; | |
3522 | } | |
3523 | qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock)); | |
8a7ddc38 FB |
3524 | } |
3525 | ||
9043b62d BS |
3526 | static void nographic_update(void *opaque) |
3527 | { | |
3528 | uint64_t interval = GUI_REFRESH_INTERVAL; | |
3529 | ||
3530 | qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock)); | |
3531 | } | |
3532 | ||
0bd48850 FB |
3533 | struct vm_change_state_entry { |
3534 | VMChangeStateHandler *cb; | |
3535 | void *opaque; | |
3536 | LIST_ENTRY (vm_change_state_entry) entries; | |
3537 | }; | |
3538 | ||
3539 | static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; | |
3540 | ||
3541 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
3542 | void *opaque) | |
3543 | { | |
3544 | VMChangeStateEntry *e; | |
3545 | ||
3546 | e = qemu_mallocz(sizeof (*e)); | |
0bd48850 FB |
3547 | |
3548 | e->cb = cb; | |
3549 | e->opaque = opaque; | |
3550 | LIST_INSERT_HEAD(&vm_change_state_head, e, entries); | |
3551 | return e; | |
3552 | } | |
3553 | ||
3554 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
3555 | { | |
3556 | LIST_REMOVE (e, entries); | |
3557 | qemu_free (e); | |
3558 | } | |
3559 | ||
9781e040 | 3560 | static void vm_state_notify(int running, int reason) |
0bd48850 FB |
3561 | { |
3562 | VMChangeStateEntry *e; | |
3563 | ||
3564 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
9781e040 | 3565 | e->cb(e->opaque, running, reason); |
0bd48850 FB |
3566 | } |
3567 | } | |
3568 | ||
d6dc3d42 AL |
3569 | static void resume_all_vcpus(void); |
3570 | static void pause_all_vcpus(void); | |
3571 | ||
8a7ddc38 FB |
3572 | void vm_start(void) |
3573 | { | |
3574 | if (!vm_running) { | |
3575 | cpu_enable_ticks(); | |
3576 | vm_running = 1; | |
9781e040 | 3577 | vm_state_notify(1, 0); |
efe75411 | 3578 | qemu_rearm_alarm_timer(alarm_timer); |
d6dc3d42 | 3579 | resume_all_vcpus(); |
8a7ddc38 FB |
3580 | } |
3581 | } | |
3582 | ||
bb0c6722 FB |
3583 | /* reset/shutdown handler */ |
3584 | ||
3585 | typedef struct QEMUResetEntry { | |
3586 | QEMUResetHandler *func; | |
3587 | void *opaque; | |
8217606e | 3588 | int order; |
bb0c6722 FB |
3589 | struct QEMUResetEntry *next; |
3590 | } QEMUResetEntry; | |
3591 | ||
3592 | static QEMUResetEntry *first_reset_entry; | |
3593 | static int reset_requested; | |
3594 | static int shutdown_requested; | |
3475187d | 3595 | static int powerdown_requested; |
e568902a | 3596 | static int debug_requested; |
6e29f5da | 3597 | static int vmstop_requested; |
bb0c6722 | 3598 | |
cf7a2fe2 AJ |
3599 | int qemu_shutdown_requested(void) |
3600 | { | |
3601 | int r = shutdown_requested; | |
3602 | shutdown_requested = 0; | |
3603 | return r; | |
3604 | } | |
3605 | ||
3606 | int qemu_reset_requested(void) | |
3607 | { | |
3608 | int r = reset_requested; | |
3609 | reset_requested = 0; | |
3610 | return r; | |
3611 | } | |
3612 | ||
3613 | int qemu_powerdown_requested(void) | |
3614 | { | |
3615 | int r = powerdown_requested; | |
3616 | powerdown_requested = 0; | |
3617 | return r; | |
3618 | } | |
3619 | ||
e568902a AL |
3620 | static int qemu_debug_requested(void) |
3621 | { | |
3622 | int r = debug_requested; | |
3623 | debug_requested = 0; | |
3624 | return r; | |
3625 | } | |
3626 | ||
6e29f5da AL |
3627 | static int qemu_vmstop_requested(void) |
3628 | { | |
3629 | int r = vmstop_requested; | |
3630 | vmstop_requested = 0; | |
3631 | return r; | |
3632 | } | |
3633 | ||
3634 | static void do_vm_stop(int reason) | |
3635 | { | |
3636 | if (vm_running) { | |
3637 | cpu_disable_ticks(); | |
3638 | vm_running = 0; | |
d6dc3d42 | 3639 | pause_all_vcpus(); |
6e29f5da AL |
3640 | vm_state_notify(0, reason); |
3641 | } | |
3642 | } | |
3643 | ||
8217606e | 3644 | void qemu_register_reset(QEMUResetHandler *func, int order, void *opaque) |
bb0c6722 FB |
3645 | { |
3646 | QEMUResetEntry **pre, *re; | |
3647 | ||
3648 | pre = &first_reset_entry; | |
8217606e | 3649 | while (*pre != NULL && (*pre)->order >= order) { |
bb0c6722 | 3650 | pre = &(*pre)->next; |
8217606e | 3651 | } |
bb0c6722 FB |
3652 | re = qemu_mallocz(sizeof(QEMUResetEntry)); |
3653 | re->func = func; | |
3654 | re->opaque = opaque; | |
8217606e | 3655 | re->order = order; |
bb0c6722 FB |
3656 | re->next = NULL; |
3657 | *pre = re; | |
3658 | } | |
3659 | ||
cf7a2fe2 | 3660 | void qemu_system_reset(void) |
bb0c6722 FB |
3661 | { |
3662 | QEMUResetEntry *re; | |
3663 | ||
3664 | /* reset all devices */ | |
3665 | for(re = first_reset_entry; re != NULL; re = re->next) { | |
3666 | re->func(re->opaque); | |
3667 | } | |
3668 | } | |
3669 | ||
3670 | void qemu_system_reset_request(void) | |
3671 | { | |
d1beab82 FB |
3672 | if (no_reboot) { |
3673 | shutdown_requested = 1; | |
3674 | } else { | |
3675 | reset_requested = 1; | |
3676 | } | |
d9f75a4e | 3677 | qemu_notify_event(); |
bb0c6722 FB |
3678 | } |
3679 | ||
3680 | void qemu_system_shutdown_request(void) | |
3681 | { | |
3682 | shutdown_requested = 1; | |
d9f75a4e | 3683 | qemu_notify_event(); |
bb0c6722 FB |
3684 | } |
3685 | ||
3475187d FB |
3686 | void qemu_system_powerdown_request(void) |
3687 | { | |
3688 | powerdown_requested = 1; | |
d9f75a4e AL |
3689 | qemu_notify_event(); |
3690 | } | |
3691 | ||
d6dc3d42 AL |
3692 | #ifdef CONFIG_IOTHREAD |
3693 | static void qemu_system_vmstop_request(int reason) | |
d9f75a4e | 3694 | { |
d6dc3d42 AL |
3695 | vmstop_requested = reason; |
3696 | qemu_notify_event(); | |
bb0c6722 | 3697 | } |
d6dc3d42 | 3698 | #endif |
bb0c6722 | 3699 | |
50317c7f AL |
3700 | #ifndef _WIN32 |
3701 | static int io_thread_fd = -1; | |
3702 | ||
3703 | static void qemu_event_increment(void) | |
3fcf7b6b | 3704 | { |
50317c7f AL |
3705 | static const char byte = 0; |
3706 | ||
3707 | if (io_thread_fd == -1) | |
3708 | return; | |
3709 | ||
3710 | write(io_thread_fd, &byte, sizeof(byte)); | |
3711 | } | |
3712 | ||
3713 | static void qemu_event_read(void *opaque) | |
3714 | { | |
3715 | int fd = (unsigned long)opaque; | |
3716 | ssize_t len; | |
3717 | ||
3718 | /* Drain the notify pipe */ | |
3719 | do { | |
3720 | char buffer[512]; | |
3721 | len = read(fd, buffer, sizeof(buffer)); | |
3722 | } while ((len == -1 && errno == EINTR) || len > 0); | |
3723 | } | |
3724 | ||
3725 | static int qemu_event_init(void) | |
3726 | { | |
3727 | int err; | |
3728 | int fds[2]; | |
3729 | ||
3730 | err = pipe(fds); | |
3731 | if (err == -1) | |
3732 | return -errno; | |
3733 | ||
3734 | err = fcntl_setfl(fds[0], O_NONBLOCK); | |
3735 | if (err < 0) | |
3736 | goto fail; | |
3737 | ||
3738 | err = fcntl_setfl(fds[1], O_NONBLOCK); | |
3739 | if (err < 0) | |
3740 | goto fail; | |
3741 | ||
3742 | qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL, | |
3743 | (void *)(unsigned long)fds[0]); | |
3744 | ||
3745 | io_thread_fd = fds[1]; | |
a7e21219 JK |
3746 | return 0; |
3747 | ||
50317c7f AL |
3748 | fail: |
3749 | close(fds[0]); | |
3750 | close(fds[1]); | |
3751 | return err; | |
3752 | } | |
3753 | #else | |
3754 | HANDLE qemu_event_handle; | |
3755 | ||
3756 | static void dummy_event_handler(void *opaque) | |
3757 | { | |
3758 | } | |
3759 | ||
3760 | static int qemu_event_init(void) | |
3761 | { | |
3762 | qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL); | |
3763 | if (!qemu_event_handle) { | |
3764 | perror("Failed CreateEvent"); | |
3765 | return -1; | |
3766 | } | |
3767 | qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL); | |
3fcf7b6b AL |
3768 | return 0; |
3769 | } | |
3770 | ||
50317c7f AL |
3771 | static void qemu_event_increment(void) |
3772 | { | |
3773 | SetEvent(qemu_event_handle); | |
3774 | } | |
3775 | #endif | |
3776 | ||
d6dc3d42 AL |
3777 | static int cpu_can_run(CPUState *env) |
3778 | { | |
3779 | if (env->stop) | |
3780 | return 0; | |
3781 | if (env->stopped) | |
3782 | return 0; | |
3783 | return 1; | |
3784 | } | |
3785 | ||
3786 | #ifndef CONFIG_IOTHREAD | |
50317c7f AL |
3787 | static int qemu_init_main_loop(void) |
3788 | { | |
3789 | return qemu_event_init(); | |
3790 | } | |
3791 | ||
0bf46a40 AL |
3792 | void qemu_init_vcpu(void *_env) |
3793 | { | |
3794 | CPUState *env = _env; | |
3795 | ||
3796 | if (kvm_enabled()) | |
3797 | kvm_init_vcpu(env); | |
3798 | return; | |
3799 | } | |
3800 | ||
8edac960 AL |
3801 | int qemu_cpu_self(void *env) |
3802 | { | |
3803 | return 1; | |
3804 | } | |
3805 | ||
d6dc3d42 AL |
3806 | static void resume_all_vcpus(void) |
3807 | { | |
3808 | } | |
3809 | ||
3810 | static void pause_all_vcpus(void) | |
3811 | { | |
3812 | } | |
3813 | ||
8edac960 AL |
3814 | void qemu_cpu_kick(void *env) |
3815 | { | |
3816 | return; | |
3817 | } | |
3818 | ||
d6dc3d42 AL |
3819 | void qemu_notify_event(void) |
3820 | { | |
3821 | CPUState *env = cpu_single_env; | |
3822 | ||
3823 | if (env) { | |
3824 | cpu_exit(env); | |
3825 | #ifdef USE_KQEMU | |
3826 | if (env->kqemu_enabled) | |
3827 | kqemu_cpu_interrupt(env); | |
3828 | #endif | |
3829 | } | |
3830 | } | |
3831 | ||
4870852c AL |
3832 | #define qemu_mutex_lock_iothread() do { } while (0) |
3833 | #define qemu_mutex_unlock_iothread() do { } while (0) | |
3834 | ||
6e29f5da AL |
3835 | void vm_stop(int reason) |
3836 | { | |
3837 | do_vm_stop(reason); | |
3838 | } | |
3839 | ||
d6dc3d42 AL |
3840 | #else /* CONFIG_IOTHREAD */ |
3841 | ||
3842 | #include "qemu-thread.h" | |
3843 | ||
3844 | QemuMutex qemu_global_mutex; | |
3845 | static QemuMutex qemu_fair_mutex; | |
3846 | ||
3847 | static QemuThread io_thread; | |
3848 | ||
3849 | static QemuThread *tcg_cpu_thread; | |
3850 | static QemuCond *tcg_halt_cond; | |
3851 | ||
3852 | static int qemu_system_ready; | |
3853 | /* cpu creation */ | |
3854 | static QemuCond qemu_cpu_cond; | |
3855 | /* system init */ | |
3856 | static QemuCond qemu_system_cond; | |
3857 | static QemuCond qemu_pause_cond; | |
3858 | ||
3859 | static void block_io_signals(void); | |
3860 | static void unblock_io_signals(void); | |
3861 | static int tcg_has_work(void); | |
3862 | ||
3863 | static int qemu_init_main_loop(void) | |
3864 | { | |
3865 | int ret; | |
3866 | ||
3867 | ret = qemu_event_init(); | |
3868 | if (ret) | |
3869 | return ret; | |
3870 | ||
3871 | qemu_cond_init(&qemu_pause_cond); | |
3872 | qemu_mutex_init(&qemu_fair_mutex); | |
3873 | qemu_mutex_init(&qemu_global_mutex); | |
3874 | qemu_mutex_lock(&qemu_global_mutex); | |
3875 | ||
3876 | unblock_io_signals(); | |
3877 | qemu_thread_self(&io_thread); | |
3878 | ||
3879 | return 0; | |
3880 | } | |
3881 | ||
3882 | static void qemu_wait_io_event(CPUState *env) | |
3883 | { | |
3884 | while (!tcg_has_work()) | |
3885 | qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000); | |
3886 | ||
3887 | qemu_mutex_unlock(&qemu_global_mutex); | |
3888 | ||
3889 | /* | |
3890 | * Users of qemu_global_mutex can be starved, having no chance | |
3891 | * to acquire it since this path will get to it first. | |
3892 | * So use another lock to provide fairness. | |
3893 | */ | |
3894 | qemu_mutex_lock(&qemu_fair_mutex); | |
3895 | qemu_mutex_unlock(&qemu_fair_mutex); | |
3896 | ||
3897 | qemu_mutex_lock(&qemu_global_mutex); | |
3898 | if (env->stop) { | |
3899 | env->stop = 0; | |
3900 | env->stopped = 1; | |
3901 | qemu_cond_signal(&qemu_pause_cond); | |
3902 | } | |
3903 | } | |
3904 | ||
3905 | static int qemu_cpu_exec(CPUState *env); | |
3906 | ||
3907 | static void *kvm_cpu_thread_fn(void *arg) | |
3908 | { | |
3909 | CPUState *env = arg; | |
3910 | ||
3911 | block_io_signals(); | |
3912 | qemu_thread_self(env->thread); | |
3913 | ||
3914 | /* signal CPU creation */ | |
3915 | qemu_mutex_lock(&qemu_global_mutex); | |
3916 | env->created = 1; | |
3917 | qemu_cond_signal(&qemu_cpu_cond); | |
3918 | ||
3919 | /* and wait for machine initialization */ | |
3920 | while (!qemu_system_ready) | |
3921 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3922 | ||
3923 | while (1) { | |
3924 | if (cpu_can_run(env)) | |
3925 | qemu_cpu_exec(env); | |
3926 | qemu_wait_io_event(env); | |
3927 | } | |
3928 | ||
3929 | return NULL; | |
3930 | } | |
3931 | ||
3932 | static void tcg_cpu_exec(void); | |
3933 | ||
3934 | static void *tcg_cpu_thread_fn(void *arg) | |
3935 | { | |
3936 | CPUState *env = arg; | |
3937 | ||
3938 | block_io_signals(); | |
3939 | qemu_thread_self(env->thread); | |
3940 | ||
3941 | /* signal CPU creation */ | |
3942 | qemu_mutex_lock(&qemu_global_mutex); | |
3943 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
3944 | env->created = 1; | |
3945 | qemu_cond_signal(&qemu_cpu_cond); | |
3946 | ||
3947 | /* and wait for machine initialization */ | |
3948 | while (!qemu_system_ready) | |
3949 | qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100); | |
3950 | ||
3951 | while (1) { | |
3952 | tcg_cpu_exec(); | |
3953 | qemu_wait_io_event(cur_cpu); | |
3954 | } | |
3955 | ||
3956 | return NULL; | |
3957 | } | |
3958 | ||
3959 | void qemu_cpu_kick(void *_env) | |
3960 | { | |
3961 | CPUState *env = _env; | |
3962 | qemu_cond_broadcast(env->halt_cond); | |
3963 | if (kvm_enabled()) | |
3964 | qemu_thread_signal(env->thread, SIGUSR1); | |
3965 | } | |
3966 | ||
3967 | int qemu_cpu_self(void *env) | |
3968 | { | |
3969 | return (cpu_single_env != NULL); | |
3970 | } | |
3971 | ||
3972 | static void cpu_signal(int sig) | |
3973 | { | |
3974 | if (cpu_single_env) | |
3975 | cpu_exit(cpu_single_env); | |
3976 | } | |
3977 | ||
3978 | static void block_io_signals(void) | |
3979 | { | |
3980 | sigset_t set; | |
3981 | struct sigaction sigact; | |
3982 | ||
3983 | sigemptyset(&set); | |
3984 | sigaddset(&set, SIGUSR2); | |
3985 | sigaddset(&set, SIGIO); | |
3986 | sigaddset(&set, SIGALRM); | |
3987 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
3988 | ||
3989 | sigemptyset(&set); | |
3990 | sigaddset(&set, SIGUSR1); | |
3991 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
3992 | ||
3993 | memset(&sigact, 0, sizeof(sigact)); | |
3994 | sigact.sa_handler = cpu_signal; | |
3995 | sigaction(SIGUSR1, &sigact, NULL); | |
3996 | } | |
3997 | ||
3998 | static void unblock_io_signals(void) | |
3999 | { | |
4000 | sigset_t set; | |
4001 | ||
4002 | sigemptyset(&set); | |
4003 | sigaddset(&set, SIGUSR2); | |
4004 | sigaddset(&set, SIGIO); | |
4005 | sigaddset(&set, SIGALRM); | |
4006 | pthread_sigmask(SIG_UNBLOCK, &set, NULL); | |
4007 | ||
4008 | sigemptyset(&set); | |
4009 | sigaddset(&set, SIGUSR1); | |
4010 | pthread_sigmask(SIG_BLOCK, &set, NULL); | |
4011 | } | |
4012 | ||
4013 | static void qemu_signal_lock(unsigned int msecs) | |
4014 | { | |
4015 | qemu_mutex_lock(&qemu_fair_mutex); | |
4016 | ||
4017 | while (qemu_mutex_trylock(&qemu_global_mutex)) { | |
4018 | qemu_thread_signal(tcg_cpu_thread, SIGUSR1); | |
4019 | if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs)) | |
4020 | break; | |
4021 | } | |
4022 | qemu_mutex_unlock(&qemu_fair_mutex); | |
4023 | } | |
4024 | ||
4025 | static void qemu_mutex_lock_iothread(void) | |
4026 | { | |
4027 | if (kvm_enabled()) { | |
4028 | qemu_mutex_lock(&qemu_fair_mutex); | |
4029 | qemu_mutex_lock(&qemu_global_mutex); | |
4030 | qemu_mutex_unlock(&qemu_fair_mutex); | |
4031 | } else | |
4032 | qemu_signal_lock(100); | |
4033 | } | |
4034 | ||
4035 | static void qemu_mutex_unlock_iothread(void) | |
4036 | { | |
4037 | qemu_mutex_unlock(&qemu_global_mutex); | |
4038 | } | |
4039 | ||
4040 | static int all_vcpus_paused(void) | |
4041 | { | |
4042 | CPUState *penv = first_cpu; | |
4043 | ||
4044 | while (penv) { | |
4045 | if (!penv->stopped) | |
4046 | return 0; | |
4047 | penv = (CPUState *)penv->next_cpu; | |
4048 | } | |
4049 | ||
4050 | return 1; | |
4051 | } | |
4052 | ||
4053 | static void pause_all_vcpus(void) | |
4054 | { | |
4055 | CPUState *penv = first_cpu; | |
4056 | ||
4057 | while (penv) { | |
4058 | penv->stop = 1; | |
4059 | qemu_thread_signal(penv->thread, SIGUSR1); | |
4060 | qemu_cpu_kick(penv); | |
4061 | penv = (CPUState *)penv->next_cpu; | |
4062 | } | |
4063 | ||
4064 | while (!all_vcpus_paused()) { | |
4065 | qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100); | |
4066 | penv = first_cpu; | |
4067 | while (penv) { | |
4068 | qemu_thread_signal(penv->thread, SIGUSR1); | |
4069 | penv = (CPUState *)penv->next_cpu; | |
4070 | } | |
4071 | } | |
4072 | } | |
4073 | ||
4074 | static void resume_all_vcpus(void) | |
4075 | { | |
4076 | CPUState *penv = first_cpu; | |
4077 | ||
4078 | while (penv) { | |
4079 | penv->stop = 0; | |
4080 | penv->stopped = 0; | |
4081 | qemu_thread_signal(penv->thread, SIGUSR1); | |
4082 | qemu_cpu_kick(penv); | |
4083 | penv = (CPUState *)penv->next_cpu; | |
4084 | } | |
4085 | } | |
4086 | ||
4087 | static void tcg_init_vcpu(void *_env) | |
4088 | { | |
4089 | CPUState *env = _env; | |
4090 | /* share a single thread for all cpus with TCG */ | |
4091 | if (!tcg_cpu_thread) { | |
4092 | env->thread = qemu_mallocz(sizeof(QemuThread)); | |
4093 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
4094 | qemu_cond_init(env->halt_cond); | |
4095 | qemu_thread_create(env->thread, tcg_cpu_thread_fn, env); | |
4096 | while (env->created == 0) | |
4097 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
4098 | tcg_cpu_thread = env->thread; | |
4099 | tcg_halt_cond = env->halt_cond; | |
4100 | } else { | |
4101 | env->thread = tcg_cpu_thread; | |
4102 | env->halt_cond = tcg_halt_cond; | |
4103 | } | |
4104 | } | |
4105 | ||
4106 | static void kvm_start_vcpu(CPUState *env) | |
4107 | { | |
4108 | kvm_init_vcpu(env); | |
4109 | env->thread = qemu_mallocz(sizeof(QemuThread)); | |
4110 | env->halt_cond = qemu_mallocz(sizeof(QemuCond)); | |
4111 | qemu_cond_init(env->halt_cond); | |
4112 | qemu_thread_create(env->thread, kvm_cpu_thread_fn, env); | |
4113 | while (env->created == 0) | |
4114 | qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100); | |
4115 | } | |
4116 | ||
4117 | void qemu_init_vcpu(void *_env) | |
4118 | { | |
4119 | CPUState *env = _env; | |
4120 | ||
4121 | if (kvm_enabled()) | |
4122 | kvm_start_vcpu(env); | |
4123 | else | |
4124 | tcg_init_vcpu(env); | |
4125 | } | |
4126 | ||
4127 | void qemu_notify_event(void) | |
4128 | { | |
4129 | qemu_event_increment(); | |
4130 | } | |
4131 | ||
4132 | void vm_stop(int reason) | |
4133 | { | |
4134 | QemuThread me; | |
4135 | qemu_thread_self(&me); | |
4136 | ||
4137 | if (!qemu_thread_equal(&me, &io_thread)) { | |
4138 | qemu_system_vmstop_request(reason); | |
4139 | /* | |
4140 | * FIXME: should not return to device code in case | |
4141 | * vm_stop() has been requested. | |
4142 | */ | |
4143 | if (cpu_single_env) { | |
4144 | cpu_exit(cpu_single_env); | |
4145 | cpu_single_env->stop = 1; | |
4146 | } | |
4147 | return; | |
4148 | } | |
4149 | do_vm_stop(reason); | |
4150 | } | |
4151 | ||
4152 | #endif | |
4153 | ||
4154 | ||
877cf882 | 4155 | #ifdef _WIN32 |
69d6451c | 4156 | static void host_main_loop_wait(int *timeout) |
56f3a5d0 AL |
4157 | { |
4158 | int ret, ret2, i; | |
f331110f FB |
4159 | PollingEntry *pe; |
4160 | ||
c4b1fcc0 | 4161 | |
f331110f FB |
4162 | /* XXX: need to suppress polling by better using win32 events */ |
4163 | ret = 0; | |
4164 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { | |
4165 | ret |= pe->func(pe->opaque); | |
4166 | } | |
e6b1e558 | 4167 | if (ret == 0) { |
a18e524a FB |
4168 | int err; |
4169 | WaitObjects *w = &wait_objects; | |
3b46e624 | 4170 | |
56f3a5d0 | 4171 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); |
a18e524a FB |
4172 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { |
4173 | if (w->func[ret - WAIT_OBJECT_0]) | |
4174 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); | |
3b46e624 | 4175 | |
5fafdf24 | 4176 | /* Check for additional signaled events */ |
e6b1e558 | 4177 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { |
3b46e624 | 4178 | |
e6b1e558 TS |
4179 | /* Check if event is signaled */ |
4180 | ret2 = WaitForSingleObject(w->events[i], 0); | |
4181 | if(ret2 == WAIT_OBJECT_0) { | |
4182 | if (w->func[i]) | |
4183 | w->func[i](w->opaque[i]); | |
4184 | } else if (ret2 == WAIT_TIMEOUT) { | |
4185 | } else { | |
4186 | err = GetLastError(); | |
4187 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); | |
3b46e624 TS |
4188 | } |
4189 | } | |
a18e524a FB |
4190 | } else if (ret == WAIT_TIMEOUT) { |
4191 | } else { | |
4192 | err = GetLastError(); | |
e6b1e558 | 4193 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); |
a18e524a | 4194 | } |
f331110f | 4195 | } |
56f3a5d0 AL |
4196 | |
4197 | *timeout = 0; | |
4198 | } | |
4199 | #else | |
69d6451c | 4200 | static void host_main_loop_wait(int *timeout) |
56f3a5d0 AL |
4201 | { |
4202 | } | |
fd1dff4b | 4203 | #endif |
56f3a5d0 AL |
4204 | |
4205 | void main_loop_wait(int timeout) | |
4206 | { | |
4207 | IOHandlerRecord *ioh; | |
4208 | fd_set rfds, wfds, xfds; | |
4209 | int ret, nfds; | |
4210 | struct timeval tv; | |
4211 | ||
4212 | qemu_bh_update_timeout(&timeout); | |
4213 | ||
4214 | host_main_loop_wait(&timeout); | |
4215 | ||
fd1dff4b FB |
4216 | /* poll any events */ |
4217 | /* XXX: separate device handlers from system ones */ | |
6abfbd79 | 4218 | nfds = -1; |
fd1dff4b FB |
4219 | FD_ZERO(&rfds); |
4220 | FD_ZERO(&wfds); | |
e035649e | 4221 | FD_ZERO(&xfds); |
fd1dff4b | 4222 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
cafffd40 TS |
4223 | if (ioh->deleted) |
4224 | continue; | |
fd1dff4b FB |
4225 | if (ioh->fd_read && |
4226 | (!ioh->fd_read_poll || | |
4227 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
4228 | FD_SET(ioh->fd, &rfds); | |
4229 | if (ioh->fd > nfds) | |
4230 | nfds = ioh->fd; | |
4231 | } | |
4232 | if (ioh->fd_write) { | |
4233 | FD_SET(ioh->fd, &wfds); | |
4234 | if (ioh->fd > nfds) | |
4235 | nfds = ioh->fd; | |
4236 | } | |
4237 | } | |
3b46e624 | 4238 | |
56f3a5d0 AL |
4239 | tv.tv_sec = timeout / 1000; |
4240 | tv.tv_usec = (timeout % 1000) * 1000; | |
4241 | ||
e035649e | 4242 | #if defined(CONFIG_SLIRP) |
63a01ef8 | 4243 | if (slirp_is_inited()) { |
e035649e FB |
4244 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
4245 | } | |
4246 | #endif | |
4870852c | 4247 | qemu_mutex_unlock_iothread(); |
e035649e | 4248 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); |
4870852c | 4249 | qemu_mutex_lock_iothread(); |
fd1dff4b | 4250 | if (ret > 0) { |
cafffd40 TS |
4251 | IOHandlerRecord **pioh; |
4252 | ||
4253 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
6ab43fdc | 4254 | if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { |
fd1dff4b | 4255 | ioh->fd_read(ioh->opaque); |
7c9d8e07 | 4256 | } |
6ab43fdc | 4257 | if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { |
fd1dff4b | 4258 | ioh->fd_write(ioh->opaque); |
c4b1fcc0 | 4259 | } |
b4608c04 | 4260 | } |
cafffd40 TS |
4261 | |
4262 | /* remove deleted IO handlers */ | |
4263 | pioh = &first_io_handler; | |
4264 | while (*pioh) { | |
4265 | ioh = *pioh; | |
4266 | if (ioh->deleted) { | |
4267 | *pioh = ioh->next; | |
4268 | qemu_free(ioh); | |
5fafdf24 | 4269 | } else |
cafffd40 TS |
4270 | pioh = &ioh->next; |
4271 | } | |
fd1dff4b | 4272 | } |
c20709aa | 4273 | #if defined(CONFIG_SLIRP) |
63a01ef8 | 4274 | if (slirp_is_inited()) { |
e035649e FB |
4275 | if (ret < 0) { |
4276 | FD_ZERO(&rfds); | |
4277 | FD_ZERO(&wfds); | |
4278 | FD_ZERO(&xfds); | |
c20709aa | 4279 | } |
e035649e | 4280 | slirp_select_poll(&rfds, &wfds, &xfds); |
fd1dff4b | 4281 | } |
e035649e | 4282 | #endif |
b4608c04 | 4283 | |
50317c7f AL |
4284 | /* rearm timer, if not periodic */ |
4285 | if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { | |
4286 | alarm_timer->flags &= ~ALARM_FLAG_EXPIRED; | |
4287 | qemu_rearm_alarm_timer(alarm_timer); | |
4288 | } | |
4289 | ||
357c692c | 4290 | /* vm time timers */ |
d6dc3d42 AL |
4291 | if (vm_running) { |
4292 | if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) | |
4293 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
4294 | qemu_get_clock(vm_clock)); | |
4295 | } | |
357c692c AL |
4296 | |
4297 | /* real time timers */ | |
4298 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
4299 | qemu_get_clock(rt_clock)); | |
4300 | ||
423f0742 PB |
4301 | /* Check bottom-halves last in case any of the earlier events triggered |
4302 | them. */ | |
4303 | qemu_bh_poll(); | |
3b46e624 | 4304 | |
5905b2e5 FB |
4305 | } |
4306 | ||
43b96858 | 4307 | static int qemu_cpu_exec(CPUState *env) |
5905b2e5 | 4308 | { |
43b96858 | 4309 | int ret; |
89bfc105 FB |
4310 | #ifdef CONFIG_PROFILER |
4311 | int64_t ti; | |
4312 | #endif | |
5905b2e5 | 4313 | |
89bfc105 | 4314 | #ifdef CONFIG_PROFILER |
43b96858 | 4315 | ti = profile_getclock(); |
89bfc105 | 4316 | #endif |
43b96858 AL |
4317 | if (use_icount) { |
4318 | int64_t count; | |
4319 | int decr; | |
4320 | qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); | |
4321 | env->icount_decr.u16.low = 0; | |
4322 | env->icount_extra = 0; | |
4323 | count = qemu_next_deadline(); | |
4324 | count = (count + (1 << icount_time_shift) - 1) | |
4325 | >> icount_time_shift; | |
4326 | qemu_icount += count; | |
4327 | decr = (count > 0xffff) ? 0xffff : count; | |
4328 | count -= decr; | |
4329 | env->icount_decr.u16.low = decr; | |
4330 | env->icount_extra = count; | |
4331 | } | |
4332 | ret = cpu_exec(env); | |
89bfc105 | 4333 | #ifdef CONFIG_PROFILER |
43b96858 | 4334 | qemu_time += profile_getclock() - ti; |
89bfc105 | 4335 | #endif |
43b96858 AL |
4336 | if (use_icount) { |
4337 | /* Fold pending instructions back into the | |
4338 | instruction counter, and clear the interrupt flag. */ | |
4339 | qemu_icount -= (env->icount_decr.u16.low | |
4340 | + env->icount_extra); | |
4341 | env->icount_decr.u32 = 0; | |
4342 | env->icount_extra = 0; | |
4343 | } | |
4344 | return ret; | |
4345 | } | |
4346 | ||
e6e35b1e AL |
4347 | static void tcg_cpu_exec(void) |
4348 | { | |
d6dc3d42 | 4349 | int ret = 0; |
e6e35b1e AL |
4350 | |
4351 | if (next_cpu == NULL) | |
4352 | next_cpu = first_cpu; | |
4353 | for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { | |
4354 | CPUState *env = cur_cpu = next_cpu; | |
4355 | ||
4356 | if (!vm_running) | |
4357 | break; | |
4358 | if (timer_alarm_pending) { | |
4359 | timer_alarm_pending = 0; | |
4360 | break; | |
4361 | } | |
d6dc3d42 AL |
4362 | if (cpu_can_run(env)) |
4363 | ret = qemu_cpu_exec(env); | |
e6e35b1e AL |
4364 | if (ret == EXCP_DEBUG) { |
4365 | gdb_set_stop_cpu(env); | |
4366 | debug_requested = 1; | |
4367 | break; | |
4368 | } | |
4369 | } | |
4370 | } | |
4371 | ||
43b96858 AL |
4372 | static int cpu_has_work(CPUState *env) |
4373 | { | |
d6dc3d42 AL |
4374 | if (env->stop) |
4375 | return 1; | |
4376 | if (env->stopped) | |
4377 | return 0; | |
43b96858 AL |
4378 | if (!env->halted) |
4379 | return 1; | |
4380 | if (qemu_cpu_has_work(env)) | |
4381 | return 1; | |
4382 | return 0; | |
4383 | } | |
4384 | ||
4385 | static int tcg_has_work(void) | |
4386 | { | |
4387 | CPUState *env; | |
4388 | ||
4389 | for (env = first_cpu; env != NULL; env = env->next_cpu) | |
4390 | if (cpu_has_work(env)) | |
4391 | return 1; | |
4392 | return 0; | |
4393 | } | |
4394 | ||
4395 | static int qemu_calculate_timeout(void) | |
4396 | { | |
b319820d | 4397 | #ifndef CONFIG_IOTHREAD |
43b96858 AL |
4398 | int timeout; |
4399 | ||
4400 | if (!vm_running) | |
4401 | timeout = 5000; | |
4402 | else if (tcg_has_work()) | |
4403 | timeout = 0; | |
4404 | else if (!use_icount) | |
4405 | timeout = 5000; | |
4406 | else { | |
4407 | /* XXX: use timeout computed from timers */ | |
4408 | int64_t add; | |
4409 | int64_t delta; | |
4410 | /* Advance virtual time to the next event. */ | |
4411 | if (use_icount == 1) { | |
4412 | /* When not using an adaptive execution frequency | |
4413 | we tend to get badly out of sync with real time, | |
4414 | so just delay for a reasonable amount of time. */ | |
4415 | delta = 0; | |
4416 | } else { | |
4417 | delta = cpu_get_icount() - cpu_get_clock(); | |
4418 | } | |
4419 | if (delta > 0) { | |
4420 | /* If virtual time is ahead of real time then just | |
4421 | wait for IO. */ | |
4422 | timeout = (delta / 1000000) + 1; | |
4423 | } else { | |
4424 | /* Wait for either IO to occur or the next | |
4425 | timer event. */ | |
4426 | add = qemu_next_deadline(); | |
4427 | /* We advance the timer before checking for IO. | |
4428 | Limit the amount we advance so that early IO | |
4429 | activity won't get the guest too far ahead. */ | |
4430 | if (add > 10000000) | |
4431 | add = 10000000; | |
4432 | delta += add; | |
4433 | add = (add + (1 << icount_time_shift) - 1) | |
4434 | >> icount_time_shift; | |
4435 | qemu_icount += add; | |
4436 | timeout = delta / 1000000; | |
4437 | if (timeout < 0) | |
4438 | timeout = 0; | |
4439 | } | |
4440 | } | |
4441 | ||
4442 | return timeout; | |
b319820d LC |
4443 | #else /* CONFIG_IOTHREAD */ |
4444 | return 1000; | |
4445 | #endif | |
43b96858 AL |
4446 | } |
4447 | ||
4448 | static int vm_can_run(void) | |
4449 | { | |
4450 | if (powerdown_requested) | |
4451 | return 0; | |
4452 | if (reset_requested) | |
4453 | return 0; | |
4454 | if (shutdown_requested) | |
4455 | return 0; | |
e568902a AL |
4456 | if (debug_requested) |
4457 | return 0; | |
43b96858 AL |
4458 | return 1; |
4459 | } | |
4460 | ||
4461 | static void main_loop(void) | |
4462 | { | |
6e29f5da | 4463 | int r; |
e6e35b1e | 4464 | |
d6dc3d42 AL |
4465 | #ifdef CONFIG_IOTHREAD |
4466 | qemu_system_ready = 1; | |
4467 | qemu_cond_broadcast(&qemu_system_cond); | |
4468 | #endif | |
4469 | ||
6e29f5da | 4470 | for (;;) { |
43b96858 | 4471 | do { |
e6e35b1e AL |
4472 | #ifdef CONFIG_PROFILER |
4473 | int64_t ti; | |
4474 | #endif | |
d6dc3d42 | 4475 | #ifndef CONFIG_IOTHREAD |
e6e35b1e | 4476 | tcg_cpu_exec(); |
d6dc3d42 | 4477 | #endif |
89bfc105 | 4478 | #ifdef CONFIG_PROFILER |
43b96858 | 4479 | ti = profile_getclock(); |
89bfc105 | 4480 | #endif |
43b96858 | 4481 | main_loop_wait(qemu_calculate_timeout()); |
89bfc105 | 4482 | #ifdef CONFIG_PROFILER |
43b96858 | 4483 | dev_time += profile_getclock() - ti; |
89bfc105 | 4484 | #endif |
e568902a | 4485 | } while (vm_can_run()); |
43b96858 | 4486 | |
e568902a AL |
4487 | if (qemu_debug_requested()) |
4488 | vm_stop(EXCP_DEBUG); | |
43b96858 AL |
4489 | if (qemu_shutdown_requested()) { |
4490 | if (no_shutdown) { | |
4491 | vm_stop(0); | |
4492 | no_shutdown = 0; | |
4493 | } else | |
4494 | break; | |
4495 | } | |
d6dc3d42 AL |
4496 | if (qemu_reset_requested()) { |
4497 | pause_all_vcpus(); | |
43b96858 | 4498 | qemu_system_reset(); |
d6dc3d42 AL |
4499 | resume_all_vcpus(); |
4500 | } | |
43b96858 AL |
4501 | if (qemu_powerdown_requested()) |
4502 | qemu_system_powerdown(); | |
6e29f5da AL |
4503 | if ((r = qemu_vmstop_requested())) |
4504 | vm_stop(r); | |
b4608c04 | 4505 | } |
d6dc3d42 | 4506 | pause_all_vcpus(); |
b4608c04 FB |
4507 | } |
4508 | ||
9bd7e6d9 PB |
4509 | static void version(void) |
4510 | { | |
4a19f1ec | 4511 | printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"); |
9bd7e6d9 PB |
4512 | } |
4513 | ||
15f82208 | 4514 | static void help(int exitcode) |
0824d6fc | 4515 | { |
9bd7e6d9 PB |
4516 | version(); |
4517 | printf("usage: %s [options] [disk_image]\n" | |
0824d6fc | 4518 | "\n" |
a20dd508 | 4519 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 4520 | "\n" |
5824d651 BS |
4521 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4522 | opt_help | |
4523 | #define DEFHEADING(text) stringify(text) "\n" | |
4524 | #include "qemu-options.h" | |
4525 | #undef DEF | |
4526 | #undef DEFHEADING | |
4527 | #undef GEN_DOCS | |
0824d6fc | 4528 | "\n" |
82c643ff | 4529 | "During emulation, the following keys are useful:\n" |
032a8c9e FB |
4530 | "ctrl-alt-f toggle full screen\n" |
4531 | "ctrl-alt-n switch to virtual console 'n'\n" | |
4532 | "ctrl-alt toggle mouse and keyboard grab\n" | |
82c643ff FB |
4533 | "\n" |
4534 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
4535 | , | |
0db63474 | 4536 | "qemu", |
a00bad7e | 4537 | DEFAULT_RAM_SIZE, |
7c9d8e07 | 4538 | #ifndef _WIN32 |
a00bad7e | 4539 | DEFAULT_NETWORK_SCRIPT, |
b46a8906 | 4540 | DEFAULT_NETWORK_DOWN_SCRIPT, |
7c9d8e07 | 4541 | #endif |
6e44ba7f | 4542 | DEFAULT_GDBSTUB_PORT, |
bce61846 | 4543 | "/tmp/qemu.log"); |
15f82208 | 4544 | exit(exitcode); |
0824d6fc FB |
4545 | } |
4546 | ||
cd6f1169 FB |
4547 | #define HAS_ARG 0x0001 |
4548 | ||
4549 | enum { | |
5824d651 BS |
4550 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4551 | opt_enum, | |
4552 | #define DEFHEADING(text) | |
4553 | #include "qemu-options.h" | |
4554 | #undef DEF | |
4555 | #undef DEFHEADING | |
4556 | #undef GEN_DOCS | |
cd6f1169 FB |
4557 | }; |
4558 | ||
4559 | typedef struct QEMUOption { | |
4560 | const char *name; | |
4561 | int flags; | |
4562 | int index; | |
4563 | } QEMUOption; | |
4564 | ||
dbed7e40 | 4565 | static const QEMUOption qemu_options[] = { |
cd6f1169 | 4566 | { "h", 0, QEMU_OPTION_h }, |
5824d651 BS |
4567 | #define DEF(option, opt_arg, opt_enum, opt_help) \ |
4568 | { option, opt_arg, opt_enum }, | |
4569 | #define DEFHEADING(text) | |
4570 | #include "qemu-options.h" | |
4571 | #undef DEF | |
4572 | #undef DEFHEADING | |
4573 | #undef GEN_DOCS | |
cd6f1169 | 4574 | { NULL }, |
fc01f7e7 FB |
4575 | }; |
4576 | ||
1d14ffa9 | 4577 | #ifdef HAS_AUDIO |
6a36d84e | 4578 | struct soundhw soundhw[] = { |
b00052e4 | 4579 | #ifdef HAS_AUDIO_CHOICE |
4ce7ff6e | 4580 | #if defined(TARGET_I386) || defined(TARGET_MIPS) |
fd06c375 FB |
4581 | { |
4582 | "pcspk", | |
4583 | "PC speaker", | |
4584 | 0, | |
4585 | 1, | |
4586 | { .init_isa = pcspk_audio_init } | |
4587 | }, | |
4588 | #endif | |
4c9b53e3 | 4589 | |
4590 | #ifdef CONFIG_SB16 | |
6a36d84e FB |
4591 | { |
4592 | "sb16", | |
4593 | "Creative Sound Blaster 16", | |
4594 | 0, | |
4595 | 1, | |
4596 | { .init_isa = SB16_init } | |
4597 | }, | |
4c9b53e3 | 4598 | #endif |
6a36d84e | 4599 | |
cc53d26d | 4600 | #ifdef CONFIG_CS4231A |
4601 | { | |
4602 | "cs4231a", | |
4603 | "CS4231A", | |
4604 | 0, | |
4605 | 1, | |
4606 | { .init_isa = cs4231a_init } | |
4607 | }, | |
4608 | #endif | |
4609 | ||
1d14ffa9 | 4610 | #ifdef CONFIG_ADLIB |
6a36d84e FB |
4611 | { |
4612 | "adlib", | |
1d14ffa9 | 4613 | #ifdef HAS_YMF262 |
6a36d84e | 4614 | "Yamaha YMF262 (OPL3)", |
1d14ffa9 | 4615 | #else |
6a36d84e | 4616 | "Yamaha YM3812 (OPL2)", |
1d14ffa9 | 4617 | #endif |
6a36d84e FB |
4618 | 0, |
4619 | 1, | |
4620 | { .init_isa = Adlib_init } | |
4621 | }, | |
1d14ffa9 | 4622 | #endif |
6a36d84e | 4623 | |
1d14ffa9 | 4624 | #ifdef CONFIG_GUS |
6a36d84e FB |
4625 | { |
4626 | "gus", | |
4627 | "Gravis Ultrasound GF1", | |
4628 | 0, | |
4629 | 1, | |
4630 | { .init_isa = GUS_init } | |
4631 | }, | |
1d14ffa9 | 4632 | #endif |
6a36d84e | 4633 | |
4c9b53e3 | 4634 | #ifdef CONFIG_AC97 |
e5c9a13e AZ |
4635 | { |
4636 | "ac97", | |
4637 | "Intel 82801AA AC97 Audio", | |
4638 | 0, | |
4639 | 0, | |
4640 | { .init_pci = ac97_init } | |
4641 | }, | |
4c9b53e3 | 4642 | #endif |
e5c9a13e | 4643 | |
4c9b53e3 | 4644 | #ifdef CONFIG_ES1370 |
6a36d84e FB |
4645 | { |
4646 | "es1370", | |
4647 | "ENSONIQ AudioPCI ES1370", | |
4648 | 0, | |
4649 | 0, | |
4650 | { .init_pci = es1370_init } | |
4651 | }, | |
b00052e4 | 4652 | #endif |
6a36d84e | 4653 | |
4c9b53e3 | 4654 | #endif /* HAS_AUDIO_CHOICE */ |
4655 | ||
6a36d84e FB |
4656 | { NULL, NULL, 0, 0, { NULL } } |
4657 | }; | |
4658 | ||
4659 | static void select_soundhw (const char *optarg) | |
4660 | { | |
4661 | struct soundhw *c; | |
4662 | ||
4663 | if (*optarg == '?') { | |
4664 | show_valid_cards: | |
4665 | ||
4666 | printf ("Valid sound card names (comma separated):\n"); | |
4667 | for (c = soundhw; c->name; ++c) { | |
4668 | printf ("%-11s %s\n", c->name, c->descr); | |
4669 | } | |
4670 | printf ("\n-soundhw all will enable all of the above\n"); | |
1d14ffa9 FB |
4671 | exit (*optarg != '?'); |
4672 | } | |
4673 | else { | |
6a36d84e | 4674 | size_t l; |
1d14ffa9 FB |
4675 | const char *p; |
4676 | char *e; | |
4677 | int bad_card = 0; | |
4678 | ||
6a36d84e FB |
4679 | if (!strcmp (optarg, "all")) { |
4680 | for (c = soundhw; c->name; ++c) { | |
4681 | c->enabled = 1; | |
4682 | } | |
4683 | return; | |
4684 | } | |
1d14ffa9 | 4685 | |
6a36d84e | 4686 | p = optarg; |
1d14ffa9 FB |
4687 | while (*p) { |
4688 | e = strchr (p, ','); | |
4689 | l = !e ? strlen (p) : (size_t) (e - p); | |
6a36d84e FB |
4690 | |
4691 | for (c = soundhw; c->name; ++c) { | |
4692 | if (!strncmp (c->name, p, l)) { | |
4693 | c->enabled = 1; | |
1d14ffa9 FB |
4694 | break; |
4695 | } | |
4696 | } | |
6a36d84e FB |
4697 | |
4698 | if (!c->name) { | |
1d14ffa9 FB |
4699 | if (l > 80) { |
4700 | fprintf (stderr, | |
4701 | "Unknown sound card name (too big to show)\n"); | |
4702 | } | |
4703 | else { | |
4704 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
4705 | (int) l, p); | |
4706 | } | |
4707 | bad_card = 1; | |
4708 | } | |
4709 | p += l + (e != NULL); | |
4710 | } | |
4711 | ||
4712 | if (bad_card) | |
4713 | goto show_valid_cards; | |
4714 | } | |
4715 | } | |
4716 | #endif | |
4717 | ||
3893c124 | 4718 | static void select_vgahw (const char *p) |
4719 | { | |
4720 | const char *opts; | |
4721 | ||
28b85ed8 AL |
4722 | cirrus_vga_enabled = 0; |
4723 | std_vga_enabled = 0; | |
4724 | vmsvga_enabled = 0; | |
94909d9f | 4725 | xenfb_enabled = 0; |
3893c124 | 4726 | if (strstart(p, "std", &opts)) { |
c2b3b41a | 4727 | std_vga_enabled = 1; |
3893c124 | 4728 | } else if (strstart(p, "cirrus", &opts)) { |
4729 | cirrus_vga_enabled = 1; | |
3893c124 | 4730 | } else if (strstart(p, "vmware", &opts)) { |
3893c124 | 4731 | vmsvga_enabled = 1; |
94909d9f AL |
4732 | } else if (strstart(p, "xenfb", &opts)) { |
4733 | xenfb_enabled = 1; | |
28b85ed8 | 4734 | } else if (!strstart(p, "none", &opts)) { |
3893c124 | 4735 | invalid_vga: |
4736 | fprintf(stderr, "Unknown vga type: %s\n", p); | |
4737 | exit(1); | |
4738 | } | |
cb5a7aa8 | 4739 | while (*opts) { |
4740 | const char *nextopt; | |
4741 | ||
4742 | if (strstart(opts, ",retrace=", &nextopt)) { | |
4743 | opts = nextopt; | |
4744 | if (strstart(opts, "dumb", &nextopt)) | |
4745 | vga_retrace_method = VGA_RETRACE_DUMB; | |
4746 | else if (strstart(opts, "precise", &nextopt)) | |
4747 | vga_retrace_method = VGA_RETRACE_PRECISE; | |
4748 | else goto invalid_vga; | |
4749 | } else goto invalid_vga; | |
4750 | opts = nextopt; | |
4751 | } | |
3893c124 | 4752 | } |
4753 | ||
3587d7e6 FB |
4754 | #ifdef _WIN32 |
4755 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
4756 | { | |
4757 | exit(STATUS_CONTROL_C_EXIT); | |
4758 | return TRUE; | |
4759 | } | |
4760 | #endif | |
4761 | ||
c4be29ff | 4762 | int qemu_uuid_parse(const char *str, uint8_t *uuid) |
8fcb1b90 BS |
4763 | { |
4764 | int ret; | |
4765 | ||
4766 | if(strlen(str) != 36) | |
4767 | return -1; | |
4768 | ||
4769 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
4770 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
4771 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); | |
4772 | ||
4773 | if(ret != 16) | |
4774 | return -1; | |
4775 | ||
b6f6e3d3 AL |
4776 | #ifdef TARGET_I386 |
4777 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); | |
4778 | #endif | |
4779 | ||
8fcb1b90 BS |
4780 | return 0; |
4781 | } | |
4782 | ||
7c9d8e07 | 4783 | #define MAX_NET_CLIENTS 32 |
c20709aa | 4784 | |
5b08fc10 AL |
4785 | #ifndef _WIN32 |
4786 | ||
4787 | static void termsig_handler(int signal) | |
4788 | { | |
4789 | qemu_system_shutdown_request(); | |
4790 | } | |
4791 | ||
7c3370d4 JK |
4792 | static void sigchld_handler(int signal) |
4793 | { | |
4794 | waitpid(-1, NULL, WNOHANG); | |
4795 | } | |
4796 | ||
4797 | static void sighandler_setup(void) | |
5b08fc10 AL |
4798 | { |
4799 | struct sigaction act; | |
4800 | ||
4801 | memset(&act, 0, sizeof(act)); | |
4802 | act.sa_handler = termsig_handler; | |
4803 | sigaction(SIGINT, &act, NULL); | |
4804 | sigaction(SIGHUP, &act, NULL); | |
4805 | sigaction(SIGTERM, &act, NULL); | |
7c3370d4 JK |
4806 | |
4807 | act.sa_handler = sigchld_handler; | |
4808 | act.sa_flags = SA_NOCLDSTOP; | |
4809 | sigaction(SIGCHLD, &act, NULL); | |
5b08fc10 AL |
4810 | } |
4811 | ||
4812 | #endif | |
4813 | ||
5cea8590 PB |
4814 | #ifdef _WIN32 |
4815 | /* Look for support files in the same directory as the executable. */ | |
4816 | static char *find_datadir(const char *argv0) | |
4817 | { | |
4818 | char *p; | |
4819 | char buf[MAX_PATH]; | |
4820 | DWORD len; | |
4821 | ||
4822 | len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); | |
4823 | if (len == 0) { | |
c5947808 | 4824 | return NULL; |
5cea8590 PB |
4825 | } |
4826 | ||
4827 | buf[len] = 0; | |
4828 | p = buf + len - 1; | |
4829 | while (p != buf && *p != '\\') | |
4830 | p--; | |
4831 | *p = 0; | |
4832 | if (access(buf, R_OK) == 0) { | |
4833 | return qemu_strdup(buf); | |
4834 | } | |
4835 | return NULL; | |
4836 | } | |
4837 | #else /* !_WIN32 */ | |
4838 | ||
4839 | /* Find a likely location for support files using the location of the binary. | |
4840 | For installed binaries this will be "$bindir/../share/qemu". When | |
4841 | running from the build tree this will be "$bindir/../pc-bios". */ | |
4842 | #define SHARE_SUFFIX "/share/qemu" | |
4843 | #define BUILD_SUFFIX "/pc-bios" | |
4844 | static char *find_datadir(const char *argv0) | |
4845 | { | |
4846 | char *dir; | |
4847 | char *p = NULL; | |
4848 | char *res; | |
4849 | #ifdef PATH_MAX | |
4850 | char buf[PATH_MAX]; | |
4851 | #endif | |
3a41759d | 4852 | size_t max_len; |
5cea8590 PB |
4853 | |
4854 | #if defined(__linux__) | |
4855 | { | |
4856 | int len; | |
4857 | len = readlink("/proc/self/exe", buf, sizeof(buf) - 1); | |
4858 | if (len > 0) { | |
4859 | buf[len] = 0; | |
4860 | p = buf; | |
4861 | } | |
4862 | } | |
4863 | #elif defined(__FreeBSD__) | |
4864 | { | |
4865 | int len; | |
4866 | len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1); | |
4867 | if (len > 0) { | |
4868 | buf[len] = 0; | |
4869 | p = buf; | |
4870 | } | |
4871 | } | |
4872 | #endif | |
4873 | /* If we don't have any way of figuring out the actual executable | |
4874 | location then try argv[0]. */ | |
4875 | if (!p) { | |
4876 | #ifdef PATH_MAX | |
4877 | p = buf; | |
4878 | #endif | |
4879 | p = realpath(argv0, p); | |
4880 | if (!p) { | |
4881 | return NULL; | |
4882 | } | |
4883 | } | |
4884 | dir = dirname(p); | |
4885 | dir = dirname(dir); | |
4886 | ||
3a41759d BS |
4887 | max_len = strlen(dir) + |
4888 | MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1; | |
4889 | res = qemu_mallocz(max_len); | |
4890 | snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX); | |
5cea8590 | 4891 | if (access(res, R_OK)) { |
3a41759d | 4892 | snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX); |
5cea8590 PB |
4893 | if (access(res, R_OK)) { |
4894 | qemu_free(res); | |
4895 | res = NULL; | |
4896 | } | |
4897 | } | |
4898 | #ifndef PATH_MAX | |
4899 | free(p); | |
4900 | #endif | |
4901 | return res; | |
4902 | } | |
4903 | #undef SHARE_SUFFIX | |
4904 | #undef BUILD_SUFFIX | |
4905 | #endif | |
4906 | ||
4907 | char *qemu_find_file(int type, const char *name) | |
4908 | { | |
4909 | int len; | |
4910 | const char *subdir; | |
4911 | char *buf; | |
4912 | ||
4913 | /* If name contains path separators then try it as a straight path. */ | |
4914 | if ((strchr(name, '/') || strchr(name, '\\')) | |
4915 | && access(name, R_OK) == 0) { | |
4916 | return strdup(name); | |
4917 | } | |
4918 | switch (type) { | |
4919 | case QEMU_FILE_TYPE_BIOS: | |
4920 | subdir = ""; | |
4921 | break; | |
4922 | case QEMU_FILE_TYPE_KEYMAP: | |
4923 | subdir = "keymaps/"; | |
4924 | break; | |
4925 | default: | |
4926 | abort(); | |
4927 | } | |
4928 | len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2; | |
4929 | buf = qemu_mallocz(len); | |
3a41759d | 4930 | snprintf(buf, len, "%s/%s%s", data_dir, subdir, name); |
5cea8590 PB |
4931 | if (access(buf, R_OK)) { |
4932 | qemu_free(buf); | |
4933 | return NULL; | |
4934 | } | |
4935 | return buf; | |
4936 | } | |
4937 | ||
902b3d5c | 4938 | int main(int argc, char **argv, char **envp) |
0824d6fc | 4939 | { |
59030a8c | 4940 | const char *gdbstub_dev = NULL; |
28c5af54 | 4941 | uint32_t boot_devices_bitmap = 0; |
e4bcb14c | 4942 | int i; |
28c5af54 | 4943 | int snapshot, linux_boot, net_boot; |
7f7f9873 | 4944 | const char *initrd_filename; |
a20dd508 | 4945 | const char *kernel_filename, *kernel_cmdline; |
28c5af54 | 4946 | const char *boot_devices = ""; |
3023f332 | 4947 | DisplayState *ds; |
7d957bd8 | 4948 | DisplayChangeListener *dcl; |
46d4767d | 4949 | int cyls, heads, secs, translation; |
fd5f393a | 4950 | const char *net_clients[MAX_NET_CLIENTS]; |
7c9d8e07 | 4951 | int nb_net_clients; |
dc72ac14 AZ |
4952 | const char *bt_opts[MAX_BT_CMDLINE]; |
4953 | int nb_bt_opts; | |
e4bcb14c | 4954 | int hda_index; |
cd6f1169 FB |
4955 | int optind; |
4956 | const char *r, *optarg; | |
4c621805 | 4957 | CharDriverState *monitor_hd = NULL; |
fd5f393a PB |
4958 | const char *monitor_device; |
4959 | const char *serial_devices[MAX_SERIAL_PORTS]; | |
8d11df9e | 4960 | int serial_device_index; |
fd5f393a | 4961 | const char *parallel_devices[MAX_PARALLEL_PORTS]; |
6508fe59 | 4962 | int parallel_device_index; |
9ede2fde AL |
4963 | const char *virtio_consoles[MAX_VIRTIO_CONSOLES]; |
4964 | int virtio_console_index; | |
d63d307f | 4965 | const char *loadvm = NULL; |
cc1daa40 | 4966 | QEMUMachine *machine; |
94fc95cd | 4967 | const char *cpu_model; |
fd5f393a | 4968 | const char *usb_devices[MAX_USB_CMDLINE]; |
a594cfbf | 4969 | int usb_devices_index; |
b9e82a59 | 4970 | #ifndef _WIN32 |
71e3ceb8 | 4971 | int fds[2]; |
b9e82a59 | 4972 | #endif |
26a5f13b | 4973 | int tb_size; |
93815bc2 | 4974 | const char *pid_file = NULL; |
5bb7910a | 4975 | const char *incoming = NULL; |
b9e82a59 | 4976 | #ifndef _WIN32 |
54042bcf AL |
4977 | int fd = 0; |
4978 | struct passwd *pwd = NULL; | |
0858532e AL |
4979 | const char *chroot_dir = NULL; |
4980 | const char *run_as = NULL; | |
b9e82a59 | 4981 | #endif |
268a362c | 4982 | CPUState *env; |
993fbfdb | 4983 | int show_vnc_port = 0; |
0bd48850 | 4984 | |
902b3d5c | 4985 | qemu_cache_utils_init(envp); |
4986 | ||
0bd48850 | 4987 | LIST_INIT (&vm_change_state_head); |
be995c27 FB |
4988 | #ifndef _WIN32 |
4989 | { | |
4990 | struct sigaction act; | |
4991 | sigfillset(&act.sa_mask); | |
4992 | act.sa_flags = 0; | |
4993 | act.sa_handler = SIG_IGN; | |
4994 | sigaction(SIGPIPE, &act, NULL); | |
4995 | } | |
3587d7e6 FB |
4996 | #else |
4997 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
a8e5ac33 FB |
4998 | /* Note: cpu_interrupt() is currently not SMP safe, so we force |
4999 | QEMU to run on a single CPU */ | |
5000 | { | |
5001 | HANDLE h; | |
5002 | DWORD mask, smask; | |
5003 | int i; | |
5004 | h = GetCurrentProcess(); | |
5005 | if (GetProcessAffinityMask(h, &mask, &smask)) { | |
5006 | for(i = 0; i < 32; i++) { | |
5007 | if (mask & (1 << i)) | |
5008 | break; | |
5009 | } | |
5010 | if (i != 32) { | |
5011 | mask = 1 << i; | |
5012 | SetProcessAffinityMask(h, mask); | |
5013 | } | |
5014 | } | |
5015 | } | |
67b915a5 | 5016 | #endif |
be995c27 | 5017 | |
f80f9ec9 | 5018 | module_call_init(MODULE_INIT_MACHINE); |
0c257437 | 5019 | machine = find_default_machine(); |
94fc95cd | 5020 | cpu_model = NULL; |
fc01f7e7 | 5021 | initrd_filename = NULL; |
4fc5d071 | 5022 | ram_size = 0; |
33e3963e | 5023 | snapshot = 0; |
a20dd508 FB |
5024 | kernel_filename = NULL; |
5025 | kernel_cmdline = ""; | |
c4b1fcc0 | 5026 | cyls = heads = secs = 0; |
46d4767d | 5027 | translation = BIOS_ATA_TRANSLATION_AUTO; |
d47d13b9 | 5028 | monitor_device = "vc:80Cx24C"; |
c4b1fcc0 | 5029 | |
c75a823c | 5030 | serial_devices[0] = "vc:80Cx24C"; |
8d11df9e | 5031 | for(i = 1; i < MAX_SERIAL_PORTS; i++) |
fd5f393a | 5032 | serial_devices[i] = NULL; |
8d11df9e | 5033 | serial_device_index = 0; |
3b46e624 | 5034 | |
8290edda | 5035 | parallel_devices[0] = "vc:80Cx24C"; |
6508fe59 | 5036 | for(i = 1; i < MAX_PARALLEL_PORTS; i++) |
fd5f393a | 5037 | parallel_devices[i] = NULL; |
6508fe59 | 5038 | parallel_device_index = 0; |
3b46e624 | 5039 | |
1b8fc811 | 5040 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) |
9ede2fde AL |
5041 | virtio_consoles[i] = NULL; |
5042 | virtio_console_index = 0; | |
5043 | ||
268a362c AL |
5044 | for (i = 0; i < MAX_NODES; i++) { |
5045 | node_mem[i] = 0; | |
5046 | node_cpumask[i] = 0; | |
5047 | } | |
5048 | ||
a594cfbf | 5049 | usb_devices_index = 0; |
3b46e624 | 5050 | |
7c9d8e07 | 5051 | nb_net_clients = 0; |
dc72ac14 | 5052 | nb_bt_opts = 0; |
e4bcb14c TS |
5053 | nb_drives = 0; |
5054 | nb_drives_opt = 0; | |
268a362c | 5055 | nb_numa_nodes = 0; |
e4bcb14c | 5056 | hda_index = -1; |
7c9d8e07 FB |
5057 | |
5058 | nb_nics = 0; | |
3b46e624 | 5059 | |
26a5f13b | 5060 | tb_size = 0; |
41bd639b BS |
5061 | autostart= 1; |
5062 | ||
9dd986cc RJ |
5063 | register_watchdogs(); |
5064 | ||
cd6f1169 | 5065 | optind = 1; |
0824d6fc | 5066 | for(;;) { |
cd6f1169 | 5067 | if (optind >= argc) |
0824d6fc | 5068 | break; |
cd6f1169 FB |
5069 | r = argv[optind]; |
5070 | if (r[0] != '-') { | |
609497ab | 5071 | hda_index = drive_add(argv[optind++], HD_ALIAS, 0); |
cd6f1169 FB |
5072 | } else { |
5073 | const QEMUOption *popt; | |
5074 | ||
5075 | optind++; | |
dff5efc8 PB |
5076 | /* Treat --foo the same as -foo. */ |
5077 | if (r[1] == '-') | |
5078 | r++; | |
cd6f1169 FB |
5079 | popt = qemu_options; |
5080 | for(;;) { | |
5081 | if (!popt->name) { | |
5fafdf24 | 5082 | fprintf(stderr, "%s: invalid option -- '%s'\n", |
cd6f1169 FB |
5083 | argv[0], r); |
5084 | exit(1); | |
5085 | } | |
5086 | if (!strcmp(popt->name, r + 1)) | |
5087 | break; | |
5088 | popt++; | |
5089 | } | |
5090 | if (popt->flags & HAS_ARG) { | |
5091 | if (optind >= argc) { | |
5092 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
5093 | argv[0], r); | |
5094 | exit(1); | |
5095 | } | |
5096 | optarg = argv[optind++]; | |
5097 | } else { | |
5098 | optarg = NULL; | |
5099 | } | |
5100 | ||
5101 | switch(popt->index) { | |
cc1daa40 FB |
5102 | case QEMU_OPTION_M: |
5103 | machine = find_machine(optarg); | |
5104 | if (!machine) { | |
5105 | QEMUMachine *m; | |
5106 | printf("Supported machines are:\n"); | |
5107 | for(m = first_machine; m != NULL; m = m->next) { | |
5108 | printf("%-10s %s%s\n", | |
5fafdf24 | 5109 | m->name, m->desc, |
0c257437 | 5110 | m->is_default ? " (default)" : ""); |
cc1daa40 | 5111 | } |
15f82208 | 5112 | exit(*optarg != '?'); |
cc1daa40 FB |
5113 | } |
5114 | break; | |
94fc95cd JM |
5115 | case QEMU_OPTION_cpu: |
5116 | /* hw initialization will check this */ | |
15f82208 | 5117 | if (*optarg == '?') { |
c732abe2 JM |
5118 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
5119 | #if defined(cpu_list) | |
5120 | cpu_list(stdout, &fprintf); | |
94fc95cd | 5121 | #endif |
15f82208 | 5122 | exit(0); |
94fc95cd JM |
5123 | } else { |
5124 | cpu_model = optarg; | |
5125 | } | |
5126 | break; | |
cd6f1169 | 5127 | case QEMU_OPTION_initrd: |
fc01f7e7 FB |
5128 | initrd_filename = optarg; |
5129 | break; | |
cd6f1169 | 5130 | case QEMU_OPTION_hda: |
e4bcb14c | 5131 | if (cyls == 0) |
609497ab | 5132 | hda_index = drive_add(optarg, HD_ALIAS, 0); |
e4bcb14c | 5133 | else |
609497ab | 5134 | hda_index = drive_add(optarg, HD_ALIAS |
e4bcb14c | 5135 | ",cyls=%d,heads=%d,secs=%d%s", |
609497ab | 5136 | 0, cyls, heads, secs, |
e4bcb14c TS |
5137 | translation == BIOS_ATA_TRANSLATION_LBA ? |
5138 | ",trans=lba" : | |
5139 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
5140 | ",trans=none" : ""); | |
5141 | break; | |
cd6f1169 | 5142 | case QEMU_OPTION_hdb: |
cc1daa40 FB |
5143 | case QEMU_OPTION_hdc: |
5144 | case QEMU_OPTION_hdd: | |
609497ab | 5145 | drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); |
fc01f7e7 | 5146 | break; |
e4bcb14c | 5147 | case QEMU_OPTION_drive: |
609497ab | 5148 | drive_add(NULL, "%s", optarg); |
e4bcb14c | 5149 | break; |
3e3d5815 | 5150 | case QEMU_OPTION_mtdblock: |
609497ab | 5151 | drive_add(optarg, MTD_ALIAS); |
3e3d5815 | 5152 | break; |
a1bb27b1 | 5153 | case QEMU_OPTION_sd: |
609497ab | 5154 | drive_add(optarg, SD_ALIAS); |
a1bb27b1 | 5155 | break; |
86f55663 | 5156 | case QEMU_OPTION_pflash: |
609497ab | 5157 | drive_add(optarg, PFLASH_ALIAS); |
86f55663 | 5158 | break; |
cd6f1169 | 5159 | case QEMU_OPTION_snapshot: |
33e3963e FB |
5160 | snapshot = 1; |
5161 | break; | |
cd6f1169 | 5162 | case QEMU_OPTION_hdachs: |
330d0414 | 5163 | { |
330d0414 FB |
5164 | const char *p; |
5165 | p = optarg; | |
5166 | cyls = strtol(p, (char **)&p, 0); | |
46d4767d FB |
5167 | if (cyls < 1 || cyls > 16383) |
5168 | goto chs_fail; | |
330d0414 FB |
5169 | if (*p != ',') |
5170 | goto chs_fail; | |
5171 | p++; | |
5172 | heads = strtol(p, (char **)&p, 0); | |
46d4767d FB |
5173 | if (heads < 1 || heads > 16) |
5174 | goto chs_fail; | |
330d0414 FB |
5175 | if (*p != ',') |
5176 | goto chs_fail; | |
5177 | p++; | |
5178 | secs = strtol(p, (char **)&p, 0); | |
46d4767d FB |
5179 | if (secs < 1 || secs > 63) |
5180 | goto chs_fail; | |
5181 | if (*p == ',') { | |
5182 | p++; | |
5183 | if (!strcmp(p, "none")) | |
5184 | translation = BIOS_ATA_TRANSLATION_NONE; | |
5185 | else if (!strcmp(p, "lba")) | |
5186 | translation = BIOS_ATA_TRANSLATION_LBA; | |
5187 | else if (!strcmp(p, "auto")) | |
5188 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
5189 | else | |
5190 | goto chs_fail; | |
5191 | } else if (*p != '\0') { | |
c4b1fcc0 | 5192 | chs_fail: |
46d4767d FB |
5193 | fprintf(stderr, "qemu: invalid physical CHS format\n"); |
5194 | exit(1); | |
c4b1fcc0 | 5195 | } |
e4bcb14c | 5196 | if (hda_index != -1) |
609497ab AZ |
5197 | snprintf(drives_opt[hda_index].opt, |
5198 | sizeof(drives_opt[hda_index].opt), | |
5199 | HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s", | |
5200 | 0, cyls, heads, secs, | |
e4bcb14c TS |
5201 | translation == BIOS_ATA_TRANSLATION_LBA ? |
5202 | ",trans=lba" : | |
5203 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
5204 | ",trans=none" : ""); | |
330d0414 FB |
5205 | } |
5206 | break; | |
268a362c AL |
5207 | case QEMU_OPTION_numa: |
5208 | if (nb_numa_nodes >= MAX_NODES) { | |
5209 | fprintf(stderr, "qemu: too many NUMA nodes\n"); | |
5210 | exit(1); | |
5211 | } | |
5212 | numa_add(optarg); | |
5213 | break; | |
cd6f1169 | 5214 | case QEMU_OPTION_nographic: |
993fbfdb | 5215 | display_type = DT_NOGRAPHIC; |
a20dd508 | 5216 | break; |
4d3b6f6e AZ |
5217 | #ifdef CONFIG_CURSES |
5218 | case QEMU_OPTION_curses: | |
993fbfdb | 5219 | display_type = DT_CURSES; |
4d3b6f6e AZ |
5220 | break; |
5221 | #endif | |
a171fe39 AZ |
5222 | case QEMU_OPTION_portrait: |
5223 | graphic_rotate = 1; | |
5224 | break; | |
cd6f1169 | 5225 | case QEMU_OPTION_kernel: |
a20dd508 FB |
5226 | kernel_filename = optarg; |
5227 | break; | |
cd6f1169 | 5228 | case QEMU_OPTION_append: |
a20dd508 | 5229 | kernel_cmdline = optarg; |
313aa567 | 5230 | break; |
cd6f1169 | 5231 | case QEMU_OPTION_cdrom: |
609497ab | 5232 | drive_add(optarg, CDROM_ALIAS); |
36b486bb | 5233 | break; |
cd6f1169 | 5234 | case QEMU_OPTION_boot: |
28c5af54 JM |
5235 | boot_devices = optarg; |
5236 | /* We just do some generic consistency checks */ | |
5237 | { | |
5238 | /* Could easily be extended to 64 devices if needed */ | |
60fe76f3 | 5239 | const char *p; |
28c5af54 JM |
5240 | |
5241 | boot_devices_bitmap = 0; | |
5242 | for (p = boot_devices; *p != '\0'; p++) { | |
5243 | /* Allowed boot devices are: | |
5244 | * a b : floppy disk drives | |
5245 | * c ... f : IDE disk drives | |
5246 | * g ... m : machine implementation dependant drives | |
5247 | * n ... p : network devices | |
5248 | * It's up to each machine implementation to check | |
5249 | * if the given boot devices match the actual hardware | |
5250 | * implementation and firmware features. | |
5251 | */ | |
5252 | if (*p < 'a' || *p > 'q') { | |
5253 | fprintf(stderr, "Invalid boot device '%c'\n", *p); | |
5254 | exit(1); | |
5255 | } | |
5256 | if (boot_devices_bitmap & (1 << (*p - 'a'))) { | |
5257 | fprintf(stderr, | |
5258 | "Boot device '%c' was given twice\n",*p); | |
5259 | exit(1); | |
5260 | } | |
5261 | boot_devices_bitmap |= 1 << (*p - 'a'); | |
5262 | } | |
36b486bb FB |
5263 | } |
5264 | break; | |
cd6f1169 | 5265 | case QEMU_OPTION_fda: |
cd6f1169 | 5266 | case QEMU_OPTION_fdb: |
609497ab | 5267 | drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); |
c45886db | 5268 | break; |
52ca8d6a FB |
5269 | #ifdef TARGET_I386 |
5270 | case QEMU_OPTION_no_fd_bootchk: | |
5271 | fd_bootchk = 0; | |
5272 | break; | |
5273 | #endif | |
7c9d8e07 FB |
5274 | case QEMU_OPTION_net: |
5275 | if (nb_net_clients >= MAX_NET_CLIENTS) { | |
5276 | fprintf(stderr, "qemu: too many network clients\n"); | |
c4b1fcc0 FB |
5277 | exit(1); |
5278 | } | |
fd5f393a | 5279 | net_clients[nb_net_clients] = optarg; |
7c9d8e07 | 5280 | nb_net_clients++; |
702c651c | 5281 | break; |
c7f74643 FB |
5282 | #ifdef CONFIG_SLIRP |
5283 | case QEMU_OPTION_tftp: | |
c7f74643 | 5284 | tftp_prefix = optarg; |
9bf05444 | 5285 | break; |
47d5d01a TS |
5286 | case QEMU_OPTION_bootp: |
5287 | bootp_filename = optarg; | |
5288 | break; | |
c94c8d64 | 5289 | #ifndef _WIN32 |
9d728e8c FB |
5290 | case QEMU_OPTION_smb: |
5291 | net_slirp_smb(optarg); | |
5292 | break; | |
c94c8d64 | 5293 | #endif |
9bf05444 | 5294 | case QEMU_OPTION_redir: |
c1261d8d | 5295 | net_slirp_redir(NULL, optarg, NULL); |
9bf05444 | 5296 | break; |
c7f74643 | 5297 | #endif |
dc72ac14 AZ |
5298 | case QEMU_OPTION_bt: |
5299 | if (nb_bt_opts >= MAX_BT_CMDLINE) { | |
5300 | fprintf(stderr, "qemu: too many bluetooth options\n"); | |
5301 | exit(1); | |
5302 | } | |
5303 | bt_opts[nb_bt_opts++] = optarg; | |
5304 | break; | |
1d14ffa9 | 5305 | #ifdef HAS_AUDIO |
1d14ffa9 FB |
5306 | case QEMU_OPTION_audio_help: |
5307 | AUD_help (); | |
5308 | exit (0); | |
5309 | break; | |
5310 | case QEMU_OPTION_soundhw: | |
5311 | select_soundhw (optarg); | |
5312 | break; | |
5313 | #endif | |
cd6f1169 | 5314 | case QEMU_OPTION_h: |
15f82208 | 5315 | help(0); |
cd6f1169 | 5316 | break; |
9bd7e6d9 PB |
5317 | case QEMU_OPTION_version: |
5318 | version(); | |
5319 | exit(0); | |
5320 | break; | |
00f82b8a AJ |
5321 | case QEMU_OPTION_m: { |
5322 | uint64_t value; | |
5323 | char *ptr; | |
5324 | ||
5325 | value = strtoul(optarg, &ptr, 10); | |
5326 | switch (*ptr) { | |
5327 | case 0: case 'M': case 'm': | |
5328 | value <<= 20; | |
5329 | break; | |
5330 | case 'G': case 'g': | |
5331 | value <<= 30; | |
5332 | break; | |
5333 | default: | |
5334 | fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); | |
cd6f1169 FB |
5335 | exit(1); |
5336 | } | |
00f82b8a AJ |
5337 | |
5338 | /* On 32-bit hosts, QEMU is limited by virtual address space */ | |
5339 | if (value > (2047 << 20) | |
640f42e4 | 5340 | #ifndef CONFIG_KQEMU |
00f82b8a AJ |
5341 | && HOST_LONG_BITS == 32 |
5342 | #endif | |
5343 | ) { | |
5344 | fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); | |
5345 | exit(1); | |
5346 | } | |
5347 | if (value != (uint64_t)(ram_addr_t)value) { | |
5348 | fprintf(stderr, "qemu: ram size too large\n"); | |
5349 | exit(1); | |
5350 | } | |
5351 | ram_size = value; | |
cd6f1169 | 5352 | break; |
00f82b8a | 5353 | } |
cd6f1169 FB |
5354 | case QEMU_OPTION_d: |
5355 | { | |
5356 | int mask; | |
c7cd6a37 | 5357 | const CPULogItem *item; |
3b46e624 | 5358 | |
cd6f1169 FB |
5359 | mask = cpu_str_to_log_mask(optarg); |
5360 | if (!mask) { | |
5361 | printf("Log items (comma separated):\n"); | |
f193c797 FB |
5362 | for(item = cpu_log_items; item->mask != 0; item++) { |
5363 | printf("%-10s %s\n", item->name, item->help); | |
5364 | } | |
5365 | exit(1); | |
cd6f1169 FB |
5366 | } |
5367 | cpu_set_log(mask); | |
f193c797 | 5368 | } |
cd6f1169 | 5369 | break; |
cd6f1169 | 5370 | case QEMU_OPTION_s: |
59030a8c | 5371 | gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT; |
cd6f1169 | 5372 | break; |
59030a8c AL |
5373 | case QEMU_OPTION_gdb: |
5374 | gdbstub_dev = optarg; | |
cd6f1169 | 5375 | break; |
cd6f1169 | 5376 | case QEMU_OPTION_L: |
5cea8590 | 5377 | data_dir = optarg; |
cd6f1169 | 5378 | break; |
1192dad8 JM |
5379 | case QEMU_OPTION_bios: |
5380 | bios_name = optarg; | |
5381 | break; | |
1b530a6d AJ |
5382 | case QEMU_OPTION_singlestep: |
5383 | singlestep = 1; | |
5384 | break; | |
cd6f1169 | 5385 | case QEMU_OPTION_S: |
3c07f8e8 | 5386 | autostart = 0; |
cd6f1169 | 5387 | break; |
5824d651 | 5388 | #ifndef _WIN32 |
3d11d0eb FB |
5389 | case QEMU_OPTION_k: |
5390 | keyboard_layout = optarg; | |
5391 | break; | |
5824d651 | 5392 | #endif |
ee22c2f7 FB |
5393 | case QEMU_OPTION_localtime: |
5394 | rtc_utc = 0; | |
5395 | break; | |
3893c124 | 5396 | case QEMU_OPTION_vga: |
5397 | select_vgahw (optarg); | |
1bfe856e | 5398 | break; |
5824d651 | 5399 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) |
e9b137c2 FB |
5400 | case QEMU_OPTION_g: |
5401 | { | |
5402 | const char *p; | |
5403 | int w, h, depth; | |
5404 | p = optarg; | |
5405 | w = strtol(p, (char **)&p, 10); | |
5406 | if (w <= 0) { | |
5407 | graphic_error: | |
5408 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
5409 | exit(1); | |
5410 | } | |
5411 | if (*p != 'x') | |
5412 | goto graphic_error; | |
5413 | p++; | |
5414 | h = strtol(p, (char **)&p, 10); | |
5415 | if (h <= 0) | |
5416 | goto graphic_error; | |
5417 | if (*p == 'x') { | |
5418 | p++; | |
5419 | depth = strtol(p, (char **)&p, 10); | |
5fafdf24 | 5420 | if (depth != 8 && depth != 15 && depth != 16 && |
e9b137c2 FB |
5421 | depth != 24 && depth != 32) |
5422 | goto graphic_error; | |
5423 | } else if (*p == '\0') { | |
5424 | depth = graphic_depth; | |
5425 | } else { | |
5426 | goto graphic_error; | |
5427 | } | |
3b46e624 | 5428 | |
e9b137c2 FB |
5429 | graphic_width = w; |
5430 | graphic_height = h; | |
5431 | graphic_depth = depth; | |
5432 | } | |
5433 | break; | |
5824d651 | 5434 | #endif |
20d8a3ed TS |
5435 | case QEMU_OPTION_echr: |
5436 | { | |
5437 | char *r; | |
5438 | term_escape_char = strtol(optarg, &r, 0); | |
5439 | if (r == optarg) | |
5440 | printf("Bad argument to echr\n"); | |
5441 | break; | |
5442 | } | |
82c643ff | 5443 | case QEMU_OPTION_monitor: |
fd5f393a | 5444 | monitor_device = optarg; |
82c643ff FB |
5445 | break; |
5446 | case QEMU_OPTION_serial: | |
8d11df9e FB |
5447 | if (serial_device_index >= MAX_SERIAL_PORTS) { |
5448 | fprintf(stderr, "qemu: too many serial ports\n"); | |
5449 | exit(1); | |
5450 | } | |
fd5f393a | 5451 | serial_devices[serial_device_index] = optarg; |
8d11df9e | 5452 | serial_device_index++; |
82c643ff | 5453 | break; |
9dd986cc RJ |
5454 | case QEMU_OPTION_watchdog: |
5455 | i = select_watchdog(optarg); | |
5456 | if (i > 0) | |
5457 | exit (i == 1 ? 1 : 0); | |
5458 | break; | |
5459 | case QEMU_OPTION_watchdog_action: | |
5460 | if (select_watchdog_action(optarg) == -1) { | |
5461 | fprintf(stderr, "Unknown -watchdog-action parameter\n"); | |
5462 | exit(1); | |
5463 | } | |
5464 | break; | |
51ecf136 AL |
5465 | case QEMU_OPTION_virtiocon: |
5466 | if (virtio_console_index >= MAX_VIRTIO_CONSOLES) { | |
5467 | fprintf(stderr, "qemu: too many virtio consoles\n"); | |
5468 | exit(1); | |
5469 | } | |
5470 | virtio_consoles[virtio_console_index] = optarg; | |
5471 | virtio_console_index++; | |
5472 | break; | |
6508fe59 FB |
5473 | case QEMU_OPTION_parallel: |
5474 | if (parallel_device_index >= MAX_PARALLEL_PORTS) { | |
5475 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
5476 | exit(1); | |
5477 | } | |
fd5f393a | 5478 | parallel_devices[parallel_device_index] = optarg; |
6508fe59 FB |
5479 | parallel_device_index++; |
5480 | break; | |
d63d307f FB |
5481 | case QEMU_OPTION_loadvm: |
5482 | loadvm = optarg; | |
5483 | break; | |
5484 | case QEMU_OPTION_full_screen: | |
5485 | full_screen = 1; | |
5486 | break; | |
667accab | 5487 | #ifdef CONFIG_SDL |
43523e93 TS |
5488 | case QEMU_OPTION_no_frame: |
5489 | no_frame = 1; | |
5490 | break; | |
3780e197 TS |
5491 | case QEMU_OPTION_alt_grab: |
5492 | alt_grab = 1; | |
5493 | break; | |
667accab TS |
5494 | case QEMU_OPTION_no_quit: |
5495 | no_quit = 1; | |
5496 | break; | |
7d957bd8 | 5497 | case QEMU_OPTION_sdl: |
993fbfdb | 5498 | display_type = DT_SDL; |
7d957bd8 | 5499 | break; |
667accab | 5500 | #endif |
f7cce898 | 5501 | case QEMU_OPTION_pidfile: |
93815bc2 | 5502 | pid_file = optarg; |
f7cce898 | 5503 | break; |
a09db21f FB |
5504 | #ifdef TARGET_I386 |
5505 | case QEMU_OPTION_win2k_hack: | |
5506 | win2k_install_hack = 1; | |
5507 | break; | |
73822ec8 AL |
5508 | case QEMU_OPTION_rtc_td_hack: |
5509 | rtc_td_hack = 1; | |
5510 | break; | |
8a92ea2f AL |
5511 | case QEMU_OPTION_acpitable: |
5512 | if(acpi_table_add(optarg) < 0) { | |
5513 | fprintf(stderr, "Wrong acpi table provided\n"); | |
5514 | exit(1); | |
5515 | } | |
5516 | break; | |
b6f6e3d3 AL |
5517 | case QEMU_OPTION_smbios: |
5518 | if(smbios_entry_add(optarg) < 0) { | |
5519 | fprintf(stderr, "Wrong smbios provided\n"); | |
5520 | exit(1); | |
5521 | } | |
5522 | break; | |
a09db21f | 5523 | #endif |
640f42e4 | 5524 | #ifdef CONFIG_KQEMU |
d993e026 FB |
5525 | case QEMU_OPTION_no_kqemu: |
5526 | kqemu_allowed = 0; | |
5527 | break; | |
89bfc105 FB |
5528 | case QEMU_OPTION_kernel_kqemu: |
5529 | kqemu_allowed = 2; | |
5530 | break; | |
7ba1e619 AL |
5531 | #endif |
5532 | #ifdef CONFIG_KVM | |
5533 | case QEMU_OPTION_enable_kvm: | |
5534 | kvm_allowed = 1; | |
640f42e4 | 5535 | #ifdef CONFIG_KQEMU |
7ba1e619 AL |
5536 | kqemu_allowed = 0; |
5537 | #endif | |
5538 | break; | |
d993e026 | 5539 | #endif |
bb36d470 FB |
5540 | case QEMU_OPTION_usb: |
5541 | usb_enabled = 1; | |
5542 | break; | |
a594cfbf FB |
5543 | case QEMU_OPTION_usbdevice: |
5544 | usb_enabled = 1; | |
0d92ed30 | 5545 | if (usb_devices_index >= MAX_USB_CMDLINE) { |
a594cfbf FB |
5546 | fprintf(stderr, "Too many USB devices\n"); |
5547 | exit(1); | |
5548 | } | |
fd5f393a | 5549 | usb_devices[usb_devices_index] = optarg; |
a594cfbf FB |
5550 | usb_devices_index++; |
5551 | break; | |
6a00d601 FB |
5552 | case QEMU_OPTION_smp: |
5553 | smp_cpus = atoi(optarg); | |
b2097003 | 5554 | if (smp_cpus < 1) { |
6a00d601 FB |
5555 | fprintf(stderr, "Invalid number of CPUs\n"); |
5556 | exit(1); | |
5557 | } | |
5558 | break; | |
24236869 | 5559 | case QEMU_OPTION_vnc: |
993fbfdb | 5560 | display_type = DT_VNC; |
73fc9742 | 5561 | vnc_display = optarg; |
24236869 | 5562 | break; |
5824d651 | 5563 | #ifdef TARGET_I386 |
6515b203 FB |
5564 | case QEMU_OPTION_no_acpi: |
5565 | acpi_enabled = 0; | |
5566 | break; | |
16b29ae1 AL |
5567 | case QEMU_OPTION_no_hpet: |
5568 | no_hpet = 1; | |
5569 | break; | |
df97b920 EH |
5570 | case QEMU_OPTION_no_virtio_balloon: |
5571 | no_virtio_balloon = 1; | |
5572 | break; | |
5824d651 | 5573 | #endif |
d1beab82 FB |
5574 | case QEMU_OPTION_no_reboot: |
5575 | no_reboot = 1; | |
5576 | break; | |
b2f76161 AJ |
5577 | case QEMU_OPTION_no_shutdown: |
5578 | no_shutdown = 1; | |
5579 | break; | |
9467cd46 AZ |
5580 | case QEMU_OPTION_show_cursor: |
5581 | cursor_hide = 0; | |
5582 | break; | |
8fcb1b90 BS |
5583 | case QEMU_OPTION_uuid: |
5584 | if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { | |
5585 | fprintf(stderr, "Fail to parse UUID string." | |
5586 | " Wrong format.\n"); | |
5587 | exit(1); | |
5588 | } | |
5589 | break; | |
5824d651 | 5590 | #ifndef _WIN32 |
71e3ceb8 TS |
5591 | case QEMU_OPTION_daemonize: |
5592 | daemonize = 1; | |
5593 | break; | |
5824d651 | 5594 | #endif |
9ae02555 TS |
5595 | case QEMU_OPTION_option_rom: |
5596 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
5597 | fprintf(stderr, "Too many option ROMs\n"); | |
5598 | exit(1); | |
5599 | } | |
5600 | option_rom[nb_option_roms] = optarg; | |
5601 | nb_option_roms++; | |
5602 | break; | |
5824d651 | 5603 | #if defined(TARGET_ARM) || defined(TARGET_M68K) |
8e71621f PB |
5604 | case QEMU_OPTION_semihosting: |
5605 | semihosting_enabled = 1; | |
5606 | break; | |
5824d651 | 5607 | #endif |
c35734b2 TS |
5608 | case QEMU_OPTION_name: |
5609 | qemu_name = optarg; | |
5610 | break; | |
95efd11c | 5611 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) |
66508601 BS |
5612 | case QEMU_OPTION_prom_env: |
5613 | if (nb_prom_envs >= MAX_PROM_ENVS) { | |
5614 | fprintf(stderr, "Too many prom variables\n"); | |
5615 | exit(1); | |
5616 | } | |
5617 | prom_envs[nb_prom_envs] = optarg; | |
5618 | nb_prom_envs++; | |
5619 | break; | |
2b8f2d41 AZ |
5620 | #endif |
5621 | #ifdef TARGET_ARM | |
5622 | case QEMU_OPTION_old_param: | |
5623 | old_param = 1; | |
05ebd537 | 5624 | break; |
66508601 | 5625 | #endif |
f3dcfada TS |
5626 | case QEMU_OPTION_clock: |
5627 | configure_alarms(optarg); | |
5628 | break; | |
7e0af5d0 FB |
5629 | case QEMU_OPTION_startdate: |
5630 | { | |
5631 | struct tm tm; | |
f6503059 | 5632 | time_t rtc_start_date; |
7e0af5d0 | 5633 | if (!strcmp(optarg, "now")) { |
f6503059 | 5634 | rtc_date_offset = -1; |
7e0af5d0 FB |
5635 | } else { |
5636 | if (sscanf(optarg, "%d-%d-%dT%d:%d:%d", | |
5637 | &tm.tm_year, | |
5638 | &tm.tm_mon, | |
5639 | &tm.tm_mday, | |
5640 | &tm.tm_hour, | |
5641 | &tm.tm_min, | |
5642 | &tm.tm_sec) == 6) { | |
5643 | /* OK */ | |
5644 | } else if (sscanf(optarg, "%d-%d-%d", | |
5645 | &tm.tm_year, | |
5646 | &tm.tm_mon, | |
5647 | &tm.tm_mday) == 3) { | |
5648 | tm.tm_hour = 0; | |
5649 | tm.tm_min = 0; | |
5650 | tm.tm_sec = 0; | |
5651 | } else { | |
5652 | goto date_fail; | |
5653 | } | |
5654 | tm.tm_year -= 1900; | |
5655 | tm.tm_mon--; | |
3c6b2088 | 5656 | rtc_start_date = mktimegm(&tm); |
7e0af5d0 FB |
5657 | if (rtc_start_date == -1) { |
5658 | date_fail: | |
5659 | fprintf(stderr, "Invalid date format. Valid format are:\n" | |
5660 | "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n"); | |
5661 | exit(1); | |
5662 | } | |
f6503059 | 5663 | rtc_date_offset = time(NULL) - rtc_start_date; |
7e0af5d0 FB |
5664 | } |
5665 | } | |
5666 | break; | |
26a5f13b FB |
5667 | case QEMU_OPTION_tb_size: |
5668 | tb_size = strtol(optarg, NULL, 0); | |
5669 | if (tb_size < 0) | |
5670 | tb_size = 0; | |
5671 | break; | |
2e70f6ef PB |
5672 | case QEMU_OPTION_icount: |
5673 | use_icount = 1; | |
5674 | if (strcmp(optarg, "auto") == 0) { | |
5675 | icount_time_shift = -1; | |
5676 | } else { | |
5677 | icount_time_shift = strtol(optarg, NULL, 0); | |
5678 | } | |
5679 | break; | |
5bb7910a AL |
5680 | case QEMU_OPTION_incoming: |
5681 | incoming = optarg; | |
5682 | break; | |
5824d651 | 5683 | #ifndef _WIN32 |
0858532e AL |
5684 | case QEMU_OPTION_chroot: |
5685 | chroot_dir = optarg; | |
5686 | break; | |
5687 | case QEMU_OPTION_runas: | |
5688 | run_as = optarg; | |
5689 | break; | |
e37630ca AL |
5690 | #endif |
5691 | #ifdef CONFIG_XEN | |
5692 | case QEMU_OPTION_xen_domid: | |
5693 | xen_domid = atoi(optarg); | |
5694 | break; | |
5695 | case QEMU_OPTION_xen_create: | |
5696 | xen_mode = XEN_CREATE; | |
5697 | break; | |
5698 | case QEMU_OPTION_xen_attach: | |
5699 | xen_mode = XEN_ATTACH; | |
5700 | break; | |
5824d651 | 5701 | #endif |
cd6f1169 | 5702 | } |
0824d6fc FB |
5703 | } |
5704 | } | |
330d0414 | 5705 | |
5cea8590 PB |
5706 | /* If no data_dir is specified then try to find it relative to the |
5707 | executable path. */ | |
5708 | if (!data_dir) { | |
5709 | data_dir = find_datadir(argv[0]); | |
5710 | } | |
5711 | /* If all else fails use the install patch specified when building. */ | |
5712 | if (!data_dir) { | |
5713 | data_dir = CONFIG_QEMU_SHAREDIR; | |
5714 | } | |
5715 | ||
640f42e4 | 5716 | #if defined(CONFIG_KVM) && defined(CONFIG_KQEMU) |
7ba1e619 AL |
5717 | if (kvm_allowed && kqemu_allowed) { |
5718 | fprintf(stderr, | |
5719 | "You can not enable both KVM and kqemu at the same time\n"); | |
5720 | exit(1); | |
5721 | } | |
5722 | #endif | |
5723 | ||
3d878caa | 5724 | machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ |
b2097003 AL |
5725 | if (smp_cpus > machine->max_cpus) { |
5726 | fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " | |
5727 | "supported by machine `%s' (%d)\n", smp_cpus, machine->name, | |
5728 | machine->max_cpus); | |
5729 | exit(1); | |
5730 | } | |
5731 | ||
993fbfdb | 5732 | if (display_type == DT_NOGRAPHIC) { |
bc0129d9 AL |
5733 | if (serial_device_index == 0) |
5734 | serial_devices[0] = "stdio"; | |
5735 | if (parallel_device_index == 0) | |
5736 | parallel_devices[0] = "null"; | |
5737 | if (strncmp(monitor_device, "vc", 2) == 0) | |
5738 | monitor_device = "stdio"; | |
5739 | } | |
5740 | ||
71e3ceb8 | 5741 | #ifndef _WIN32 |
71e3ceb8 TS |
5742 | if (daemonize) { |
5743 | pid_t pid; | |
5744 | ||
5745 | if (pipe(fds) == -1) | |
5746 | exit(1); | |
5747 | ||
5748 | pid = fork(); | |
5749 | if (pid > 0) { | |
5750 | uint8_t status; | |
5751 | ssize_t len; | |
5752 | ||
5753 | close(fds[1]); | |
5754 | ||
5755 | again: | |
93815bc2 TS |
5756 | len = read(fds[0], &status, 1); |
5757 | if (len == -1 && (errno == EINTR)) | |
5758 | goto again; | |
5759 | ||
5760 | if (len != 1) | |
5761 | exit(1); | |
5762 | else if (status == 1) { | |
5763 | fprintf(stderr, "Could not acquire pidfile\n"); | |
5764 | exit(1); | |
5765 | } else | |
5766 | exit(0); | |
71e3ceb8 | 5767 | } else if (pid < 0) |
93815bc2 | 5768 | exit(1); |
71e3ceb8 TS |
5769 | |
5770 | setsid(); | |
5771 | ||
5772 | pid = fork(); | |
5773 | if (pid > 0) | |
5774 | exit(0); | |
5775 | else if (pid < 0) | |
5776 | exit(1); | |
5777 | ||
5778 | umask(027); | |
71e3ceb8 TS |
5779 | |
5780 | signal(SIGTSTP, SIG_IGN); | |
5781 | signal(SIGTTOU, SIG_IGN); | |
5782 | signal(SIGTTIN, SIG_IGN); | |
5783 | } | |
71e3ceb8 | 5784 | |
aa26bb2d | 5785 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { |
93815bc2 TS |
5786 | if (daemonize) { |
5787 | uint8_t status = 1; | |
5788 | write(fds[1], &status, 1); | |
5789 | } else | |
5790 | fprintf(stderr, "Could not acquire pid file\n"); | |
5791 | exit(1); | |
5792 | } | |
b9e82a59 | 5793 | #endif |
93815bc2 | 5794 | |
640f42e4 | 5795 | #ifdef CONFIG_KQEMU |
ff3fbb30 FB |
5796 | if (smp_cpus > 1) |
5797 | kqemu_allowed = 0; | |
5798 | #endif | |
3fcf7b6b AL |
5799 | if (qemu_init_main_loop()) { |
5800 | fprintf(stderr, "qemu_init_main_loop failed\n"); | |
5801 | exit(1); | |
5802 | } | |
a20dd508 | 5803 | linux_boot = (kernel_filename != NULL); |
6c41b272 | 5804 | |
f8d39c01 TS |
5805 | if (!linux_boot && *kernel_cmdline != '\0') { |
5806 | fprintf(stderr, "-append only allowed with -kernel option\n"); | |
5807 | exit(1); | |
5808 | } | |
5809 | ||
5810 | if (!linux_boot && initrd_filename != NULL) { | |
5811 | fprintf(stderr, "-initrd only allowed with -kernel option\n"); | |
5812 | exit(1); | |
5813 | } | |
5814 | ||
96d30e48 | 5815 | /* boot to floppy or the default cd if no hard disk defined yet */ |
28c5af54 | 5816 | if (!boot_devices[0]) { |
e4bcb14c | 5817 | boot_devices = "cad"; |
96d30e48 | 5818 | } |
b118d61e | 5819 | setvbuf(stdout, NULL, _IOLBF, 0); |
3b46e624 | 5820 | |
634fce96 | 5821 | init_timers(); |
7183b4b4 AL |
5822 | if (init_timer_alarm() < 0) { |
5823 | fprintf(stderr, "could not initialize alarm timer\n"); | |
5824 | exit(1); | |
5825 | } | |
2e70f6ef PB |
5826 | if (use_icount && icount_time_shift < 0) { |
5827 | use_icount = 2; | |
5828 | /* 125MIPS seems a reasonable initial guess at the guest speed. | |
5829 | It will be corrected fairly quickly anyway. */ | |
5830 | icount_time_shift = 3; | |
5831 | init_icount_adjust(); | |
5832 | } | |
634fce96 | 5833 | |
fd1dff4b FB |
5834 | #ifdef _WIN32 |
5835 | socket_init(); | |
5836 | #endif | |
5837 | ||
7c9d8e07 FB |
5838 | /* init network clients */ |
5839 | if (nb_net_clients == 0) { | |
5840 | /* if no clients, we use a default config */ | |
f441b28b AL |
5841 | net_clients[nb_net_clients++] = "nic"; |
5842 | #ifdef CONFIG_SLIRP | |
5843 | net_clients[nb_net_clients++] = "user"; | |
5844 | #endif | |
c20709aa FB |
5845 | } |
5846 | ||
7c9d8e07 | 5847 | for(i = 0;i < nb_net_clients; i++) { |
9ad97e65 | 5848 | if (net_client_parse(net_clients[i]) < 0) |
7c9d8e07 | 5849 | exit(1); |
702c651c | 5850 | } |
f1510b2c | 5851 | |
406c8df3 GC |
5852 | net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; |
5853 | net_set_boot_mask(net_boot); | |
5854 | ||
5855 | net_client_check(); | |
eec85c2a | 5856 | |
dc72ac14 AZ |
5857 | /* init the bluetooth world */ |
5858 | for (i = 0; i < nb_bt_opts; i++) | |
5859 | if (bt_parse(bt_opts[i])) | |
5860 | exit(1); | |
5861 | ||
0824d6fc | 5862 | /* init the memory */ |
94a6b54f PB |
5863 | if (ram_size == 0) |
5864 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
9ae02555 | 5865 | |
640f42e4 | 5866 | #ifdef CONFIG_KQEMU |
94a6b54f PB |
5867 | /* FIXME: This is a nasty hack because kqemu can't cope with dynamic |
5868 | guest ram allocation. It needs to go away. */ | |
5869 | if (kqemu_allowed) { | |
4cfce484 | 5870 | kqemu_phys_ram_size = ram_size + 8 * 1024 * 1024 + 4 * 1024 * 1024; |
94a6b54f PB |
5871 | kqemu_phys_ram_base = qemu_vmalloc(kqemu_phys_ram_size); |
5872 | if (!kqemu_phys_ram_base) { | |
5873 | fprintf(stderr, "Could not allocate physical memory\n"); | |
5874 | exit(1); | |
5875 | } | |
0824d6fc | 5876 | } |
94a6b54f | 5877 | #endif |
0824d6fc | 5878 | |
26a5f13b FB |
5879 | /* init the dynamic translator */ |
5880 | cpu_exec_init_all(tb_size * 1024 * 1024); | |
5881 | ||
5905b2e5 | 5882 | bdrv_init(); |
c4b1fcc0 | 5883 | |
e4bcb14c | 5884 | /* we always create the cdrom drive, even if no disk is there */ |
c4b1fcc0 | 5885 | |
e4bcb14c | 5886 | if (nb_drives_opt < MAX_DRIVES) |
609497ab | 5887 | drive_add(NULL, CDROM_ALIAS); |
c4b1fcc0 | 5888 | |
9d413d1d | 5889 | /* we always create at least one floppy */ |
33e3963e | 5890 | |
e4bcb14c | 5891 | if (nb_drives_opt < MAX_DRIVES) |
609497ab | 5892 | drive_add(NULL, FD_ALIAS, 0); |
86f55663 | 5893 | |
9d413d1d AZ |
5894 | /* we always create one sd slot, even if no card is in it */ |
5895 | ||
5896 | if (nb_drives_opt < MAX_DRIVES) | |
609497ab | 5897 | drive_add(NULL, SD_ALIAS); |
9d413d1d | 5898 | |
e4bcb14c TS |
5899 | /* open the virtual block devices */ |
5900 | ||
5901 | for(i = 0; i < nb_drives_opt; i++) | |
609497ab | 5902 | if (drive_init(&drives_opt[i], snapshot, machine) == -1) |
e4bcb14c | 5903 | exit(1); |
3e3d5815 | 5904 | |
c88676f8 | 5905 | register_savevm("timer", 0, 2, timer_save, timer_load, NULL); |
475e4277 | 5906 | register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL); |
8a7ddc38 | 5907 | |
3023f332 AL |
5908 | #ifndef _WIN32 |
5909 | /* must be after terminal init, SDL library changes signal handlers */ | |
7c3370d4 | 5910 | sighandler_setup(); |
3023f332 AL |
5911 | #endif |
5912 | ||
5913 | /* Maintain compatibility with multiple stdio monitors */ | |
5914 | if (!strcmp(monitor_device,"stdio")) { | |
5915 | for (i = 0; i < MAX_SERIAL_PORTS; i++) { | |
5916 | const char *devname = serial_devices[i]; | |
5917 | if (devname && !strcmp(devname,"mon:stdio")) { | |
5918 | monitor_device = NULL; | |
5919 | break; | |
5920 | } else if (devname && !strcmp(devname,"stdio")) { | |
5921 | monitor_device = NULL; | |
5922 | serial_devices[i] = "mon:stdio"; | |
5923 | break; | |
5924 | } | |
5925 | } | |
5926 | } | |
5927 | ||
268a362c AL |
5928 | if (nb_numa_nodes > 0) { |
5929 | int i; | |
5930 | ||
5931 | if (nb_numa_nodes > smp_cpus) { | |
5932 | nb_numa_nodes = smp_cpus; | |
5933 | } | |
5934 | ||
5935 | /* If no memory size if given for any node, assume the default case | |
5936 | * and distribute the available memory equally across all nodes | |
5937 | */ | |
5938 | for (i = 0; i < nb_numa_nodes; i++) { | |
5939 | if (node_mem[i] != 0) | |
5940 | break; | |
5941 | } | |
5942 | if (i == nb_numa_nodes) { | |
5943 | uint64_t usedmem = 0; | |
5944 | ||
5945 | /* On Linux, the each node's border has to be 8MB aligned, | |
5946 | * the final node gets the rest. | |
5947 | */ | |
5948 | for (i = 0; i < nb_numa_nodes - 1; i++) { | |
5949 | node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); | |
5950 | usedmem += node_mem[i]; | |
5951 | } | |
5952 | node_mem[i] = ram_size - usedmem; | |
5953 | } | |
5954 | ||
5955 | for (i = 0; i < nb_numa_nodes; i++) { | |
5956 | if (node_cpumask[i] != 0) | |
5957 | break; | |
5958 | } | |
5959 | /* assigning the VCPUs round-robin is easier to implement, guest OSes | |
5960 | * must cope with this anyway, because there are BIOSes out there in | |
5961 | * real machines which also use this scheme. | |
5962 | */ | |
5963 | if (i == nb_numa_nodes) { | |
5964 | for (i = 0; i < smp_cpus; i++) { | |
5965 | node_cpumask[i % nb_numa_nodes] |= 1 << i; | |
5966 | } | |
5967 | } | |
5968 | } | |
5969 | ||
3023f332 AL |
5970 | if (kvm_enabled()) { |
5971 | int ret; | |
5972 | ||
5973 | ret = kvm_init(smp_cpus); | |
5974 | if (ret < 0) { | |
5975 | fprintf(stderr, "failed to initialize KVM\n"); | |
5976 | exit(1); | |
5977 | } | |
5978 | } | |
5979 | ||
4c621805 | 5980 | if (monitor_device) { |
ceecf1d1 | 5981 | monitor_hd = qemu_chr_open("monitor", monitor_device, NULL); |
4c621805 AL |
5982 | if (!monitor_hd) { |
5983 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); | |
5984 | exit(1); | |
5985 | } | |
5986 | } | |
5987 | ||
2796dae0 AL |
5988 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
5989 | const char *devname = serial_devices[i]; | |
5990 | if (devname && strcmp(devname, "none")) { | |
5991 | char label[32]; | |
5992 | snprintf(label, sizeof(label), "serial%d", i); | |
ceecf1d1 | 5993 | serial_hds[i] = qemu_chr_open(label, devname, NULL); |
2796dae0 AL |
5994 | if (!serial_hds[i]) { |
5995 | fprintf(stderr, "qemu: could not open serial device '%s'\n", | |
5996 | devname); | |
5997 | exit(1); | |
5998 | } | |
5999 | } | |
6000 | } | |
6001 | ||
6002 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { | |
6003 | const char *devname = parallel_devices[i]; | |
6004 | if (devname && strcmp(devname, "none")) { | |
6005 | char label[32]; | |
6006 | snprintf(label, sizeof(label), "parallel%d", i); | |
ceecf1d1 | 6007 | parallel_hds[i] = qemu_chr_open(label, devname, NULL); |
2796dae0 AL |
6008 | if (!parallel_hds[i]) { |
6009 | fprintf(stderr, "qemu: could not open parallel device '%s'\n", | |
6010 | devname); | |
6011 | exit(1); | |
6012 | } | |
6013 | } | |
6014 | } | |
6015 | ||
6016 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) { | |
6017 | const char *devname = virtio_consoles[i]; | |
6018 | if (devname && strcmp(devname, "none")) { | |
6019 | char label[32]; | |
6020 | snprintf(label, sizeof(label), "virtcon%d", i); | |
ceecf1d1 | 6021 | virtcon_hds[i] = qemu_chr_open(label, devname, NULL); |
2796dae0 AL |
6022 | if (!virtcon_hds[i]) { |
6023 | fprintf(stderr, "qemu: could not open virtio console '%s'\n", | |
6024 | devname); | |
6025 | exit(1); | |
6026 | } | |
6027 | } | |
6028 | } | |
6029 | ||
aae9460e PB |
6030 | module_call_init(MODULE_INIT_DEVICE); |
6031 | ||
fbe1b595 | 6032 | machine->init(ram_size, boot_devices, |
3023f332 AL |
6033 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); |
6034 | ||
268a362c AL |
6035 | |
6036 | for (env = first_cpu; env != NULL; env = env->next_cpu) { | |
6037 | for (i = 0; i < nb_numa_nodes; i++) { | |
6038 | if (node_cpumask[i] & (1 << env->cpu_index)) { | |
6039 | env->numa_node = i; | |
6040 | } | |
6041 | } | |
6042 | } | |
6043 | ||
6f338c34 AL |
6044 | current_machine = machine; |
6045 | ||
3023f332 AL |
6046 | /* Set KVM's vcpu state to qemu's initial CPUState. */ |
6047 | if (kvm_enabled()) { | |
6048 | int ret; | |
6049 | ||
6050 | ret = kvm_sync_vcpus(); | |
6051 | if (ret < 0) { | |
6052 | fprintf(stderr, "failed to initialize vcpus\n"); | |
6053 | exit(1); | |
6054 | } | |
6055 | } | |
6056 | ||
6057 | /* init USB devices */ | |
6058 | if (usb_enabled) { | |
6059 | for(i = 0; i < usb_devices_index; i++) { | |
c0f4ce77 | 6060 | if (usb_device_add(usb_devices[i], 0) < 0) { |
3023f332 AL |
6061 | fprintf(stderr, "Warning: could not add USB device %s\n", |
6062 | usb_devices[i]); | |
6063 | } | |
6064 | } | |
6065 | } | |
6066 | ||
8f391ab4 AL |
6067 | if (!display_state) |
6068 | dumb_display_init(); | |
3023f332 AL |
6069 | /* just use the first displaystate for the moment */ |
6070 | ds = display_state; | |
993fbfdb AL |
6071 | |
6072 | if (display_type == DT_DEFAULT) { | |
6073 | #if defined(CONFIG_SDL) || defined(CONFIG_COCOA) | |
6074 | display_type = DT_SDL; | |
6075 | #else | |
6076 | display_type = DT_VNC; | |
6077 | vnc_display = "localhost:0,to=99"; | |
6078 | show_vnc_port = 1; | |
6079 | #endif | |
6080 | } | |
6081 | ||
6082 | ||
6083 | switch (display_type) { | |
6084 | case DT_NOGRAPHIC: | |
6085 | break; | |
4d3b6f6e | 6086 | #if defined(CONFIG_CURSES) |
993fbfdb AL |
6087 | case DT_CURSES: |
6088 | curses_display_init(ds, full_screen); | |
6089 | break; | |
4d3b6f6e | 6090 | #endif |
5b0753e0 | 6091 | #if defined(CONFIG_SDL) |
993fbfdb AL |
6092 | case DT_SDL: |
6093 | sdl_display_init(ds, full_screen, no_frame); | |
6094 | break; | |
5b0753e0 | 6095 | #elif defined(CONFIG_COCOA) |
993fbfdb AL |
6096 | case DT_SDL: |
6097 | cocoa_display_init(ds, full_screen); | |
6098 | break; | |
313aa567 | 6099 | #endif |
993fbfdb AL |
6100 | case DT_VNC: |
6101 | vnc_display_init(ds); | |
6102 | if (vnc_display_open(ds, vnc_display) < 0) | |
6103 | exit(1); | |
f92f8afe | 6104 | |
993fbfdb AL |
6105 | if (show_vnc_port) { |
6106 | printf("VNC server running on `%s'\n", vnc_display_local_addr(ds)); | |
f92f8afe | 6107 | } |
993fbfdb AL |
6108 | break; |
6109 | default: | |
6110 | break; | |
313aa567 | 6111 | } |
7d957bd8 | 6112 | dpy_resize(ds); |
5b08fc10 | 6113 | |
3023f332 AL |
6114 | dcl = ds->listeners; |
6115 | while (dcl != NULL) { | |
6116 | if (dcl->dpy_refresh != NULL) { | |
6117 | ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds); | |
6118 | qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock)); | |
20d8a3ed | 6119 | } |
3023f332 | 6120 | dcl = dcl->next; |
20d8a3ed | 6121 | } |
3023f332 | 6122 | |
993fbfdb | 6123 | if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) { |
9043b62d BS |
6124 | nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL); |
6125 | qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock)); | |
6126 | } | |
6127 | ||
2796dae0 | 6128 | text_consoles_set_display(display_state); |
2970a6c9 | 6129 | qemu_chr_initial_reset(); |
2796dae0 | 6130 | |
4c621805 | 6131 | if (monitor_device && monitor_hd) |
cde76ee1 | 6132 | monitor_init(monitor_hd, MONITOR_USE_READLINE | MONITOR_IS_DEFAULT); |
82c643ff | 6133 | |
8d11df9e | 6134 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
c03b0f0f | 6135 | const char *devname = serial_devices[i]; |
fd5f393a | 6136 | if (devname && strcmp(devname, "none")) { |
af3a9031 | 6137 | if (strstart(devname, "vc", 0)) |
7ba1260a | 6138 | qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i); |
8d11df9e | 6139 | } |
82c643ff | 6140 | } |
82c643ff | 6141 | |
6508fe59 | 6142 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
c03b0f0f | 6143 | const char *devname = parallel_devices[i]; |
fd5f393a | 6144 | if (devname && strcmp(devname, "none")) { |
af3a9031 | 6145 | if (strstart(devname, "vc", 0)) |
7ba1260a | 6146 | qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i); |
6508fe59 FB |
6147 | } |
6148 | } | |
6149 | ||
9ede2fde AL |
6150 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) { |
6151 | const char *devname = virtio_consoles[i]; | |
2796dae0 | 6152 | if (virtcon_hds[i] && devname) { |
9ede2fde AL |
6153 | if (strstart(devname, "vc", 0)) |
6154 | qemu_chr_printf(virtcon_hds[i], "virtio console%d\r\n", i); | |
6155 | } | |
6156 | } | |
6157 | ||
59030a8c AL |
6158 | if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { |
6159 | fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n", | |
6160 | gdbstub_dev); | |
6161 | exit(1); | |
45669e00 | 6162 | } |
45669e00 | 6163 | |
d63d307f | 6164 | if (loadvm) |
376253ec | 6165 | do_loadvm(cur_mon, loadvm); |
d63d307f | 6166 | |
5bb7910a AL |
6167 | if (incoming) { |
6168 | autostart = 0; /* fixme how to deal with -daemonize */ | |
6169 | qemu_start_incoming_migration(incoming); | |
6170 | } | |
6171 | ||
c0f4ce77 AL |
6172 | if (autostart) |
6173 | vm_start(); | |
ffd843bc | 6174 | |
b9e82a59 | 6175 | #ifndef _WIN32 |
71e3ceb8 TS |
6176 | if (daemonize) { |
6177 | uint8_t status = 0; | |
6178 | ssize_t len; | |
71e3ceb8 TS |
6179 | |
6180 | again1: | |
6181 | len = write(fds[1], &status, 1); | |
6182 | if (len == -1 && (errno == EINTR)) | |
6183 | goto again1; | |
6184 | ||
6185 | if (len != 1) | |
6186 | exit(1); | |
6187 | ||
bd54b863 | 6188 | chdir("/"); |
aeb30be6 | 6189 | TFR(fd = open("/dev/null", O_RDWR)); |
71e3ceb8 TS |
6190 | if (fd == -1) |
6191 | exit(1); | |
0858532e | 6192 | } |
71e3ceb8 | 6193 | |
0858532e AL |
6194 | if (run_as) { |
6195 | pwd = getpwnam(run_as); | |
6196 | if (!pwd) { | |
6197 | fprintf(stderr, "User \"%s\" doesn't exist\n", run_as); | |
6198 | exit(1); | |
6199 | } | |
6200 | } | |
6201 | ||
6202 | if (chroot_dir) { | |
6203 | if (chroot(chroot_dir) < 0) { | |
6204 | fprintf(stderr, "chroot failed\n"); | |
6205 | exit(1); | |
6206 | } | |
6207 | chdir("/"); | |
6208 | } | |
6209 | ||
6210 | if (run_as) { | |
6211 | if (setgid(pwd->pw_gid) < 0) { | |
6212 | fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid); | |
6213 | exit(1); | |
6214 | } | |
6215 | if (setuid(pwd->pw_uid) < 0) { | |
6216 | fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid); | |
6217 | exit(1); | |
6218 | } | |
6219 | if (setuid(0) != -1) { | |
6220 | fprintf(stderr, "Dropping privileges failed\n"); | |
6221 | exit(1); | |
6222 | } | |
6223 | } | |
0858532e AL |
6224 | |
6225 | if (daemonize) { | |
6226 | dup2(fd, 0); | |
6227 | dup2(fd, 1); | |
6228 | dup2(fd, 2); | |
71e3ceb8 | 6229 | |
0858532e | 6230 | close(fd); |
71e3ceb8 | 6231 | } |
b9e82a59 | 6232 | #endif |
71e3ceb8 | 6233 | |
8a7ddc38 | 6234 | main_loop(); |
40c3bac3 | 6235 | quit_timers(); |
63a01ef8 | 6236 | net_cleanup(); |
b46a8906 | 6237 | |
0824d6fc FB |
6238 | return 0; |
6239 | } |