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Fix division by zero handling, by Joris van Rantwijk.
[mirror_qemu.git] / vl.c
CommitLineData
0824d6fc 1/*
80cabfad 2 * QEMU System Emulator
0824d6fc 3 *
84f2e8ef 4 * Copyright (c) 2003-2007 Fabrice Bellard
0824d6fc 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 */
67b915a5
FB		 24#include "vl.h"
25
0824d6fc 26#include <unistd.h>
0824d6fc
FB		 27#include <fcntl.h>
28#include <signal.h>
29#include <time.h>
0824d6fc 30#include <errno.h>
67b915a5 31#include <sys/time.h>
c88676f8 32#include <zlib.h>
67b915a5
FB		 33
34#ifndef _WIN32
35#include <sys/times.h>
f1510b2c 36#include <sys/wait.h>
67b915a5
FB		 37#include <termios.h>
38#include <sys/poll.h>
39#include <sys/mman.h>
f1510b2c
FB		 40#include <sys/ioctl.h>
41#include <sys/socket.h>
c94c8d64 42#include <netinet/in.h>
9d728e8c 43#include <dirent.h>
7c9d8e07 44#include <netdb.h>
7d3505c5
FB		 45#ifdef _BSD
46#include <sys/stat.h>
83fb7adf 47#ifndef __APPLE__
7d3505c5 48#include <libutil.h>
83fb7adf 49#endif
5c40d2bd
TS		 50#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
51#include <freebsd/stdlib.h>
7d3505c5 52#else
ec530c81 53#ifndef __sun__
f1510b2c
FB		 54#include <linux/if.h>
55#include <linux/if_tun.h>
7d3505c5
FB		 56#include <pty.h>
57#include <malloc.h>
fd872598 58#include <linux/rtc.h>
e57a8c0e 59#include <linux/ppdev.h>
5867c88a 60#include <linux/parport.h>
d5d10bc3
TS		 61#else
62#include <sys/stat.h>
63#include <sys/ethernet.h>
64#include <sys/sockio.h>
65#include <arpa/inet.h>
66#include <netinet/arp.h>
67#include <netinet/in.h>
68#include <netinet/in_systm.h>
69#include <netinet/ip.h>
70#include <netinet/ip_icmp.h> // must come after ip.h
71#include <netinet/udp.h>
72#include <netinet/tcp.h>
73#include <net/if.h>
74#include <syslog.h>
75#include <stropts.h>
67b915a5 76#endif
7d3505c5 77#endif
ec530c81 78#endif
67b915a5 79
c20709aa
FB		 80#if defined(CONFIG_SLIRP)
81#include "libslirp.h"
82#endif
83
67b915a5 84#ifdef _WIN32
7d3505c5 85#include <malloc.h>
67b915a5
FB		 86#include <sys/timeb.h>
87#include <windows.h>
88#define getopt_long_only getopt_long
89#define memalign(align, size) malloc(size)
90#endif
91
6ca957f0
FB		 92#include "qemu_socket.h"
93
73332e5c 94#ifdef CONFIG_SDL
96bcd4f8 95#ifdef __APPLE__
83fb7adf 96#include <SDL/SDL.h>
96bcd4f8 97#endif
73332e5c 98#endif /* CONFIG_SDL */
0824d6fc 99
5b0753e0
FB		 100#ifdef CONFIG_COCOA
101#undef main
102#define main qemu_main
103#endif /* CONFIG_COCOA */
104
0824d6fc 105#include "disas.h"
fc01f7e7 106
8a7ddc38 107#include "exec-all.h"
0824d6fc 108
5a67135a 109#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
a14d6c8c
PB		 110#ifdef __sun__
111#define SMBD_COMMAND "/usr/sfw/sbin/smbd"
112#else
113#define SMBD_COMMAND "/usr/sbin/smbd"
114#endif
f1510b2c 115
0824d6fc 116//#define DEBUG_UNUSED_IOPORT
fd872598 117//#define DEBUG_IOPORT
330d0414 118
bb551faa 119#define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
7916e224 120
77d4bc34
FB		 121#ifdef TARGET_PPC
122#define DEFAULT_RAM_SIZE 144
123#else
1bfe856e 124#define DEFAULT_RAM_SIZE 128
77d4bc34 125#endif
8a7ddc38
FB		 126/* in ms */
127#define GUI_REFRESH_INTERVAL 30
313aa567 128
0d92ed30
PB		 129/* Max number of USB devices that can be specified on the commandline. */
130#define MAX_USB_CMDLINE 8
131
7dea1da4
FB		 132/* XXX: use a two level table to limit memory usage */
133#define MAX_IOPORTS 65536
0824d6fc 134
80cabfad 135const char *bios_dir = CONFIG_QEMU_SHAREDIR;
0824d6fc 136char phys_ram_file[1024];
c4b1fcc0 137void *ioport_opaque[MAX_IOPORTS];
fc01f7e7
FB		 138IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
139IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
faea38e7
FB		 140/* Note: bs_table[MAX_DISKS] is a dummy block driver if none available
141 to store the VM snapshots */
142BlockDriverState *bs_table[MAX_DISKS + 1], *fd_table[MAX_FD];
86f55663 143BlockDriverState *pflash_table[MAX_PFLASH];
a1bb27b1 144BlockDriverState *sd_bdrv;
3e3d5815 145BlockDriverState *mtd_bdrv;
faea38e7
FB		 146/* point to the block driver where the snapshots are managed */
147BlockDriverState *bs_snapshots;
313aa567
FB		 148int vga_ram_size;
149static DisplayState display_state;
a20dd508 150int nographic;
3d11d0eb 151const char* keyboard_layout = NULL;
313aa567 152int64_t ticks_per_sec;
36b486bb 153int boot_device = 'c';
0ced6589 154int ram_size;
80cabfad 155int pit_min_timer_count = 0;
c4b1fcc0 156int nb_nics;
7c9d8e07 157NICInfo nd_table[MAX_NICS];
8a7ddc38 158int vm_running;
ee22c2f7 159int rtc_utc = 1;
1bfe856e 160int cirrus_vga_enabled = 1;
d34cab9f 161int vmsvga_enabled = 0;
d827220b
FB		 162#ifdef TARGET_SPARC
163int graphic_width = 1024;
164int graphic_height = 768;
eee0b836 165int graphic_depth = 8;
d827220b 166#else
1bfe856e
FB		 167int graphic_width = 800;
168int graphic_height = 600;
e9b137c2 169int graphic_depth = 15;
eee0b836 170#endif
d63d307f 171int full_screen = 0;
43523e93 172int no_frame = 0;
667accab 173int no_quit = 0;
8d11df9e 174CharDriverState *serial_hds[MAX_SERIAL_PORTS];
6508fe59 175CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
a09db21f
FB		 176#ifdef TARGET_I386
177int win2k_install_hack = 0;
178#endif
bb36d470 179int usb_enabled = 0;
7c9d8e07 180static VLANState *first_vlan;
6a00d601 181int smp_cpus = 1;
73fc9742 182const char *vnc_display;
d3e9db93 183#if defined(TARGET_SPARC)
ba3c64fb 184#define MAX_CPUS 16
d3e9db93
FB		 185#elif defined(TARGET_I386)
186#define MAX_CPUS 255
ba3c64fb 187#else
d3e9db93 188#define MAX_CPUS 1
ba3c64fb 189#endif
6515b203 190int acpi_enabled = 1;
52ca8d6a 191int fd_bootchk = 1;
d1beab82 192int no_reboot = 0;
9467cd46 193int cursor_hide = 1;
a171fe39 194int graphic_rotate = 0;
71e3ceb8 195int daemonize = 0;
9ae02555
TS		 196const char *option_rom[MAX_OPTION_ROMS];
197int nb_option_roms;
8e71621f 198int semihosting_enabled = 0;
3c07f8e8 199int autostart = 1;
c35734b2 200const char *qemu_name;
3780e197 201int alt_grab = 0;
66508601
BS		 202#ifdef TARGET_SPARC
203unsigned int nb_prom_envs = 0;
204const char *prom_envs[MAX_PROM_ENVS];
205#endif
0824d6fc
FB		 206
207/***********************************************************/
26aa7d72
FB		 208/* x86 ISA bus support */
209
210target_phys_addr_t isa_mem_base = 0;
3de388f6 211PicState2 *isa_pic;
0824d6fc 212
c4b1fcc0 213uint32_t default_ioport_readb(void *opaque, uint32_t address)
0824d6fc
FB		 214{
215#ifdef DEBUG_UNUSED_IOPORT
1196be37 216 fprintf(stderr, "unused inb: port=0x%04x\n", address);
0824d6fc 217#endif
fc01f7e7 218 return 0xff;
0824d6fc
FB		 219}
220
c4b1fcc0 221void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
0824d6fc
FB		 222{
223#ifdef DEBUG_UNUSED_IOPORT
1196be37 224 fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
0824d6fc
FB		 225#endif
226}
227
228/* default is to make two byte accesses */
c4b1fcc0 229uint32_t default_ioport_readw(void *opaque, uint32_t address)
0824d6fc
FB		 230{
231 uint32_t data;
db45c29a
FB		 232 data = ioport_read_table[0][address](ioport_opaque[address], address);
233 address = (address + 1) & (MAX_IOPORTS - 1);
234 data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
0824d6fc
FB		 235 return data;
236}
237
c4b1fcc0 238void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
0824d6fc 239{
db45c29a
FB		 240 ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
241 address = (address + 1) & (MAX_IOPORTS - 1);
242 ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
0824d6fc
FB		 243}
244
c4b1fcc0 245uint32_t default_ioport_readl(void *opaque, uint32_t address)
0824d6fc 246{
fc01f7e7 247#ifdef DEBUG_UNUSED_IOPORT
1196be37 248 fprintf(stderr, "unused inl: port=0x%04x\n", address);
fc01f7e7
FB		 249#endif
250 return 0xffffffff;
0824d6fc
FB		 251}
252
c4b1fcc0 253void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
0824d6fc 254{
fc01f7e7 255#ifdef DEBUG_UNUSED_IOPORT
1196be37 256 fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
fc01f7e7 257#endif
0824d6fc
FB		 258}
259
fc01f7e7 260void init_ioports(void)
0824d6fc
FB		 261{
262 int i;
263
fc01f7e7
FB		 264 for(i = 0; i < MAX_IOPORTS; i++) {
265 ioport_read_table[0][i] = default_ioport_readb;
266 ioport_write_table[0][i] = default_ioport_writeb;
267 ioport_read_table[1][i] = default_ioport_readw;
268 ioport_write_table[1][i] = default_ioport_writew;
269 ioport_read_table[2][i] = default_ioport_readl;
270 ioport_write_table[2][i] = default_ioport_writel;
271 }
0824d6fc
FB		 272}
273
fc01f7e7 274/* size is the word size in byte */
c4b1fcc0
FB		 275int register_ioport_read(int start, int length, int size,
276 IOPortReadFunc *func, void *opaque)
f1510b2c 277{
fc01f7e7 278 int i, bsize;
f1510b2c 279
c4b1fcc0 280 if (size == 1) {
fc01f7e7 281 bsize = 0;
c4b1fcc0 282 } else if (size == 2) {
fc01f7e7 283 bsize = 1;
c4b1fcc0 284 } else if (size == 4) {
fc01f7e7 285 bsize = 2;
c4b1fcc0
FB		 286 } else {
287 hw_error("register_ioport_read: invalid size");
fc01f7e7 288 return -1;
c4b1fcc0
FB		 289 }
290 for(i = start; i < start + length; i += size) {
fc01f7e7 291 ioport_read_table[bsize][i] = func;
c4b1fcc0
FB		 292 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
293 hw_error("register_ioport_read: invalid opaque");
294 ioport_opaque[i] = opaque;
295 }
f1510b2c
FB		 296 return 0;
297}
298
fc01f7e7 299/* size is the word size in byte */
c4b1fcc0
FB		 300int register_ioport_write(int start, int length, int size,
301 IOPortWriteFunc *func, void *opaque)
f1510b2c 302{
fc01f7e7 303 int i, bsize;
f1510b2c 304
c4b1fcc0 305 if (size == 1) {
fc01f7e7 306 bsize = 0;
c4b1fcc0 307 } else if (size == 2) {
fc01f7e7 308 bsize = 1;
c4b1fcc0 309 } else if (size == 4) {
fc01f7e7 310 bsize = 2;
c4b1fcc0
FB		 311 } else {
312 hw_error("register_ioport_write: invalid size");
fc01f7e7 313 return -1;
c4b1fcc0
FB		 314 }
315 for(i = start; i < start + length; i += size) {
fc01f7e7 316 ioport_write_table[bsize][i] = func;
c4b1fcc0 317 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
52f61fde 318 hw_error("register_ioport_write: invalid opaque");
c4b1fcc0
FB		 319 ioport_opaque[i] = opaque;
320 }
f1510b2c
FB		 321 return 0;
322}
323
69b91039
FB		 324void isa_unassign_ioport(int start, int length)
325{
326 int i;
327
328 for(i = start; i < start + length; i++) {
329 ioport_read_table[0][i] = default_ioport_readb;
330 ioport_read_table[1][i] = default_ioport_readw;
331 ioport_read_table[2][i] = default_ioport_readl;
332
333 ioport_write_table[0][i] = default_ioport_writeb;
334 ioport_write_table[1][i] = default_ioport_writew;
335 ioport_write_table[2][i] = default_ioport_writel;
336 }
337}
338
20f32282
FB		 339/***********************************************************/
340
c45886db 341void cpu_outb(CPUState *env, int addr, int val)
0824d6fc 342{
fd872598
FB		 343#ifdef DEBUG_IOPORT
344 if (loglevel & CPU_LOG_IOPORT)
345 fprintf(logfile, "outb: %04x %02x\n", addr, val);
346#endif
c4b1fcc0 347 ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
89bfc105
FB		 348#ifdef USE_KQEMU
349 if (env)
350 env->last_io_time = cpu_get_time_fast();
351#endif
0824d6fc
FB		 352}
353
c45886db 354void cpu_outw(CPUState *env, int addr, int val)
0824d6fc 355{
fd872598
FB		 356#ifdef DEBUG_IOPORT
357 if (loglevel & CPU_LOG_IOPORT)
358 fprintf(logfile, "outw: %04x %04x\n", addr, val);
359#endif
c4b1fcc0 360 ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
89bfc105
FB		 361#ifdef USE_KQEMU
362 if (env)
363 env->last_io_time = cpu_get_time_fast();
364#endif
0824d6fc
FB		 365}
366
c45886db 367void cpu_outl(CPUState *env, int addr, int val)
0824d6fc 368{
fd872598
FB		 369#ifdef DEBUG_IOPORT
370 if (loglevel & CPU_LOG_IOPORT)
371 fprintf(logfile, "outl: %04x %08x\n", addr, val);
372#endif
c4b1fcc0 373 ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
89bfc105
FB		 374#ifdef USE_KQEMU
375 if (env)
376 env->last_io_time = cpu_get_time_fast();
377#endif
0824d6fc
FB		 378}
379
c45886db 380int cpu_inb(CPUState *env, int addr)
0824d6fc 381{
fd872598 382 int val;
fd872598
FB		 383 val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
384#ifdef DEBUG_IOPORT
385 if (loglevel & CPU_LOG_IOPORT)
386 fprintf(logfile, "inb : %04x %02x\n", addr, val);
89bfc105
FB		 387#endif
388#ifdef USE_KQEMU
389 if (env)
390 env->last_io_time = cpu_get_time_fast();
fd872598
FB		 391#endif
392 return val;
0824d6fc
FB		 393}
394
c45886db 395int cpu_inw(CPUState *env, int addr)
0824d6fc 396{
fd872598 397 int val;
fd872598
FB		 398 val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
399#ifdef DEBUG_IOPORT
400 if (loglevel & CPU_LOG_IOPORT)
401 fprintf(logfile, "inw : %04x %04x\n", addr, val);
89bfc105
FB		 402#endif
403#ifdef USE_KQEMU
404 if (env)
405 env->last_io_time = cpu_get_time_fast();
fd872598
FB		 406#endif
407 return val;
0824d6fc
FB		 408}
409
c45886db 410int cpu_inl(CPUState *env, int addr)
0824d6fc 411{
fd872598 412 int val;
fd872598
FB		 413 val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
414#ifdef DEBUG_IOPORT
415 if (loglevel & CPU_LOG_IOPORT)
416 fprintf(logfile, "inl : %04x %08x\n", addr, val);
89bfc105
FB		 417#endif
418#ifdef USE_KQEMU
419 if (env)
420 env->last_io_time = cpu_get_time_fast();
fd872598
FB		 421#endif
422 return val;
0824d6fc
FB		 423}
424
425/***********************************************************/
0824d6fc
FB		 426void hw_error(const char *fmt, ...)
427{
428 va_list ap;
6a00d601 429 CPUState *env;
0824d6fc
FB		 430
431 va_start(ap, fmt);
432 fprintf(stderr, "qemu: hardware error: ");
433 vfprintf(stderr, fmt, ap);
434 fprintf(stderr, "\n");
6a00d601
FB		 435 for(env = first_cpu; env != NULL; env = env->next_cpu) {
436 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
0824d6fc 437#ifdef TARGET_I386
6a00d601 438 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
c45886db 439#else
6a00d601 440 cpu_dump_state(env, stderr, fprintf, 0);
0824d6fc 441#endif
6a00d601 442 }
0824d6fc
FB		 443 va_end(ap);
444 abort();
445}
446
63066f4f
FB		 447/***********************************************************/
448/* keyboard/mouse */
449
450static QEMUPutKBDEvent *qemu_put_kbd_event;
451static void *qemu_put_kbd_event_opaque;
455204eb
TS		 452static QEMUPutMouseEntry *qemu_put_mouse_event_head;
453static QEMUPutMouseEntry *qemu_put_mouse_event_current;
63066f4f
FB		 454
455void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
456{
457 qemu_put_kbd_event_opaque = opaque;
458 qemu_put_kbd_event = func;
459}
460
455204eb
TS		 461QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
462 void *opaque, int absolute,
463 const char *name)
63066f4f 464{
455204eb
TS		 465 QEMUPutMouseEntry *s, *cursor;
466
467 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
468 if (!s)
469 return NULL;
470
471 s->qemu_put_mouse_event = func;
472 s->qemu_put_mouse_event_opaque = opaque;
473 s->qemu_put_mouse_event_absolute = absolute;
474 s->qemu_put_mouse_event_name = qemu_strdup(name);
475 s->next = NULL;
476
477 if (!qemu_put_mouse_event_head) {
478 qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
479 return s;
480 }
481
482 cursor = qemu_put_mouse_event_head;
483 while (cursor->next != NULL)
484 cursor = cursor->next;
485
486 cursor->next = s;
487 qemu_put_mouse_event_current = s;
488
489 return s;
490}
491
492void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
493{
494 QEMUPutMouseEntry *prev = NULL, *cursor;
495
496 if (!qemu_put_mouse_event_head || entry == NULL)
497 return;
498
499 cursor = qemu_put_mouse_event_head;
500 while (cursor != NULL && cursor != entry) {
501 prev = cursor;
502 cursor = cursor->next;
503 }
504
505 if (cursor == NULL) // does not exist or list empty
506 return;
507 else if (prev == NULL) { // entry is head
508 qemu_put_mouse_event_head = cursor->next;
509 if (qemu_put_mouse_event_current == entry)
510 qemu_put_mouse_event_current = cursor->next;
511 qemu_free(entry->qemu_put_mouse_event_name);
512 qemu_free(entry);
513 return;
514 }
515
516 prev->next = entry->next;
517
518 if (qemu_put_mouse_event_current == entry)
519 qemu_put_mouse_event_current = prev;
520
521 qemu_free(entry->qemu_put_mouse_event_name);
522 qemu_free(entry);
63066f4f
FB		 523}
524
525void kbd_put_keycode(int keycode)
526{
527 if (qemu_put_kbd_event) {
528 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
529 }
530}
531
532void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
533{
455204eb
TS		 534 QEMUPutMouseEvent *mouse_event;
535 void *mouse_event_opaque;
a171fe39 536 int width;
455204eb
TS		 537
538 if (!qemu_put_mouse_event_current) {
539 return;
540 }
541
542 mouse_event =
543 qemu_put_mouse_event_current->qemu_put_mouse_event;
544 mouse_event_opaque =
545 qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
546
547 if (mouse_event) {
a171fe39
AZ		 548 if (graphic_rotate) {
549 if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
550 width = 0x7fff;
551 else
552 width = graphic_width;
553 mouse_event(mouse_event_opaque,
554 width - dy, dx, dz, buttons_state);
555 } else
556 mouse_event(mouse_event_opaque,
557 dx, dy, dz, buttons_state);
63066f4f
FB		 558 }
559}
560
09b26c5e
FB		 561int kbd_mouse_is_absolute(void)
562{
455204eb
TS		 563 if (!qemu_put_mouse_event_current)
564 return 0;
565
566 return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
567}
568
569void do_info_mice(void)
570{
571 QEMUPutMouseEntry *cursor;
572 int index = 0;
573
574 if (!qemu_put_mouse_event_head) {
575 term_printf("No mouse devices connected\n");
576 return;
577 }
578
579 term_printf("Mouse devices available:\n");
580 cursor = qemu_put_mouse_event_head;
581 while (cursor != NULL) {
582 term_printf("%c Mouse #%d: %s\n",
583 (cursor == qemu_put_mouse_event_current ? '*' : ' '),
584 index, cursor->qemu_put_mouse_event_name);
585 index++;
586 cursor = cursor->next;
587 }
588}
589
590void do_mouse_set(int index)
591{
592 QEMUPutMouseEntry *cursor;
593 int i = 0;
594
595 if (!qemu_put_mouse_event_head) {
596 term_printf("No mouse devices connected\n");
597 return;
598 }
599
600 cursor = qemu_put_mouse_event_head;
601 while (cursor != NULL && index != i) {
602 i++;
603 cursor = cursor->next;
604 }
605
606 if (cursor != NULL)
607 qemu_put_mouse_event_current = cursor;
608 else
609 term_printf("Mouse at given index not found\n");
09b26c5e
FB		 610}
611
1dce7c3c
FB		 612/* compute with 96 bit intermediate result: (a*b)/c */
613uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
0824d6fc 614{
1dce7c3c
FB		 615 union {
616 uint64_t ll;
617 struct {
618#ifdef WORDS_BIGENDIAN
619 uint32_t high, low;
620#else
621 uint32_t low, high;
622#endif
623 } l;
624 } u, res;
625 uint64_t rl, rh;
0824d6fc 626
1dce7c3c
FB		 627 u.ll = a;
628 rl = (uint64_t)u.l.low * (uint64_t)b;
629 rh = (uint64_t)u.l.high * (uint64_t)b;
630 rh += (rl >> 32);
631 res.l.high = rh / c;
632 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
633 return res.ll;
34865134
FB		 634}
635
1dce7c3c
FB		 636/***********************************************************/
637/* real time host monotonic timer */
34865134 638
1dce7c3c 639#define QEMU_TIMER_BASE 1000000000LL
34865134 640
1dce7c3c 641#ifdef WIN32
0824d6fc 642
1dce7c3c 643static int64_t clock_freq;
1115dde7 644
1dce7c3c 645static void init_get_clock(void)
1115dde7 646{
a8e5ac33
FB		 647 LARGE_INTEGER freq;
648 int ret;
1dce7c3c
FB		 649 ret = QueryPerformanceFrequency(&freq);
650 if (ret == 0) {
651 fprintf(stderr, "Could not calibrate ticks\n");
652 exit(1);
653 }
654 clock_freq = freq.QuadPart;
1115dde7
FB		 655}
656
1dce7c3c 657static int64_t get_clock(void)
b8076a74 658{
1dce7c3c
FB		 659 LARGE_INTEGER ti;
660 QueryPerformanceCounter(&ti);
661 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
b8076a74
FB		 662}
663
1dce7c3c 664#else
90cb9493 665
1dce7c3c
FB		 666static int use_rt_clock;
667
668static void init_get_clock(void)
90cb9493 669{
1dce7c3c
FB		 670 use_rt_clock = 0;
671#if defined(__linux__)
672 {
673 struct timespec ts;
674 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
675 use_rt_clock = 1;
676 }
677 }
678#endif
90cb9493
FB		 679}
680
1dce7c3c 681static int64_t get_clock(void)
fdbb4691 682{
1dce7c3c
FB		 683#if defined(__linux__)
684 if (use_rt_clock) {
685 struct timespec ts;
686 clock_gettime(CLOCK_MONOTONIC, &ts);
687 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
688 } else
fdbb4691 689#endif
1dce7c3c
FB		 690 {
691 /* XXX: using gettimeofday leads to problems if the date
692 changes, so it should be avoided. */
693 struct timeval tv;
694 gettimeofday(&tv, NULL);
695 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
696 }
fdbb4691
FB		 697}
698
34865134
FB		 699#endif
700
1dce7c3c
FB		 701/***********************************************************/
702/* guest cycle counter */
703
eade0f19 704static int64_t cpu_ticks_prev;
34865134 705static int64_t cpu_ticks_offset;
1dce7c3c 706static int64_t cpu_clock_offset;
8a7ddc38 707static int cpu_ticks_enabled;
34865134 708
1dce7c3c
FB		 709/* return the host CPU cycle counter and handle stop/restart */
710int64_t cpu_get_ticks(void)
34865134 711{
8a7ddc38
FB		 712 if (!cpu_ticks_enabled) {
713 return cpu_ticks_offset;
714 } else {
eade0f19
FB		 715 int64_t ticks;
716 ticks = cpu_get_real_ticks();
717 if (cpu_ticks_prev > ticks) {
718 /* Note: non increasing ticks may happen if the host uses
719 software suspend */
720 cpu_ticks_offset += cpu_ticks_prev - ticks;
721 }
722 cpu_ticks_prev = ticks;
723 return ticks + cpu_ticks_offset;
8a7ddc38 724 }
34865134
FB		 725}
726
1dce7c3c
FB		 727/* return the host CPU monotonic timer and handle stop/restart */
728static int64_t cpu_get_clock(void)
729{
730 int64_t ti;
731 if (!cpu_ticks_enabled) {
732 return cpu_clock_offset;
733 } else {
734 ti = get_clock();
735 return ti + cpu_clock_offset;
736 }
737}
738
34865134
FB		 739/* enable cpu_get_ticks() */
740void cpu_enable_ticks(void)
741{
8a7ddc38
FB		 742 if (!cpu_ticks_enabled) {
743 cpu_ticks_offset -= cpu_get_real_ticks();
1dce7c3c 744 cpu_clock_offset -= get_clock();
8a7ddc38
FB		 745 cpu_ticks_enabled = 1;
746 }
34865134
FB		 747}
748
749/* disable cpu_get_ticks() : the clock is stopped. You must not call
750 cpu_get_ticks() after that. */
751void cpu_disable_ticks(void)
752{
8a7ddc38
FB		 753 if (cpu_ticks_enabled) {
754 cpu_ticks_offset = cpu_get_ticks();
1dce7c3c 755 cpu_clock_offset = cpu_get_clock();
8a7ddc38
FB		 756 cpu_ticks_enabled = 0;
757 }
34865134
FB		 758}
759
1dce7c3c
FB		 760/***********************************************************/
761/* timers */
762
8a7ddc38
FB		 763#define QEMU_TIMER_REALTIME 0
764#define QEMU_TIMER_VIRTUAL 1
765
766struct QEMUClock {
767 int type;
768 /* XXX: add frequency */
769};
770
771struct QEMUTimer {
772 QEMUClock *clock;
773 int64_t expire_time;
774 QEMUTimerCB *cb;
775 void *opaque;
776 struct QEMUTimer *next;
777};
778
779QEMUClock *rt_clock;
780QEMUClock *vm_clock;
781
782static QEMUTimer *active_timers[2];
40c3bac3
FB		 783#ifdef _WIN32
784static MMRESULT timerID;
06d9f2f7
FB		 785static HANDLE host_alarm = NULL;
786static unsigned int period = 1;
40c3bac3 787#else
8a7ddc38
FB		 788/* frequency of the times() clock tick */
789static int timer_freq;
67b915a5 790#endif
8a7ddc38
FB		 791
792QEMUClock *qemu_new_clock(int type)
793{
794 QEMUClock *clock;
795 clock = qemu_mallocz(sizeof(QEMUClock));
796 if (!clock)
797 return NULL;
798 clock->type = type;
799 return clock;
800}
801
802QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
803{
804 QEMUTimer *ts;
805
806 ts = qemu_mallocz(sizeof(QEMUTimer));
807 ts->clock = clock;
808 ts->cb = cb;
809 ts->opaque = opaque;
810 return ts;
811}
812
813void qemu_free_timer(QEMUTimer *ts)
814{
815 qemu_free(ts);
816}
817
818/* stop a timer, but do not dealloc it */
819void qemu_del_timer(QEMUTimer *ts)
820{
821 QEMUTimer **pt, *t;
822
823 /* NOTE: this code must be signal safe because
824 qemu_timer_expired() can be called from a signal. */
825 pt = &active_timers[ts->clock->type];
826 for(;;) {
827 t = *pt;
828 if (!t)
829 break;
830 if (t == ts) {
831 *pt = t->next;
832 break;
833 }
834 pt = &t->next;
835 }
836}
837
838/* modify the current timer so that it will be fired when current_time
839 >= expire_time. The corresponding callback will be called. */
840void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
841{
842 QEMUTimer **pt, *t;
843
844 qemu_del_timer(ts);
845
846 /* add the timer in the sorted list */
847 /* NOTE: this code must be signal safe because
848 qemu_timer_expired() can be called from a signal. */
849 pt = &active_timers[ts->clock->type];
850 for(;;) {
851 t = *pt;
852 if (!t)
853 break;
854 if (t->expire_time > expire_time)
855 break;
856 pt = &t->next;
857 }
858 ts->expire_time = expire_time;
859 ts->next = *pt;
860 *pt = ts;
861}
862
863int qemu_timer_pending(QEMUTimer *ts)
864{
865 QEMUTimer *t;
866 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
867 if (t == ts)
868 return 1;
869 }
870 return 0;
871}
872
873static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
874{
875 if (!timer_head)
876 return 0;
877 return (timer_head->expire_time <= current_time);
878}
879
880static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
881{
882 QEMUTimer *ts;
883
884 for(;;) {
885 ts = *ptimer_head;
e95c8d51 886 if (!ts || ts->expire_time > current_time)
8a7ddc38
FB		 887 break;
888 /* remove timer from the list before calling the callback */
889 *ptimer_head = ts->next;
890 ts->next = NULL;
891
892 /* run the callback (the timer list can be modified) */
893 ts->cb(ts->opaque);
894 }
895}
896
897int64_t qemu_get_clock(QEMUClock *clock)
898{
899 switch(clock->type) {
900 case QEMU_TIMER_REALTIME:
1dce7c3c 901 return get_clock() / 1000000;
8a7ddc38
FB		 902 default:
903 case QEMU_TIMER_VIRTUAL:
1dce7c3c 904 return cpu_get_clock();
8a7ddc38
FB		 905 }
906}
907
1dce7c3c
FB		 908static void init_timers(void)
909{
910 init_get_clock();
911 ticks_per_sec = QEMU_TIMER_BASE;
912 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
913 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
914}
915
8a7ddc38
FB		 916/* save a timer */
917void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
918{
919 uint64_t expire_time;
920
921 if (qemu_timer_pending(ts)) {
922 expire_time = ts->expire_time;
923 } else {
924 expire_time = -1;
925 }
926 qemu_put_be64(f, expire_time);
927}
928
929void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
930{
931 uint64_t expire_time;
932
933 expire_time = qemu_get_be64(f);
934 if (expire_time != -1) {
935 qemu_mod_timer(ts, expire_time);
936 } else {
937 qemu_del_timer(ts);
938 }
939}
940
941static void timer_save(QEMUFile *f, void *opaque)
942{
943 if (cpu_ticks_enabled) {
944 hw_error("cannot save state if virtual timers are running");
945 }
946 qemu_put_be64s(f, &cpu_ticks_offset);
947 qemu_put_be64s(f, &ticks_per_sec);
c88676f8 948 qemu_put_be64s(f, &cpu_clock_offset);
8a7ddc38
FB		 949}
950
951static int timer_load(QEMUFile *f, void *opaque, int version_id)
952{
c88676f8 953 if (version_id != 1 && version_id != 2)
8a7ddc38
FB		 954 return -EINVAL;
955 if (cpu_ticks_enabled) {
956 return -EINVAL;
957 }
958 qemu_get_be64s(f, &cpu_ticks_offset);
959 qemu_get_be64s(f, &ticks_per_sec);
c88676f8
FB		 960 if (version_id == 2) {
961 qemu_get_be64s(f, &cpu_clock_offset);
962 }
8a7ddc38
FB		 963 return 0;
964}
965
67b915a5
FB		 966#ifdef _WIN32
967void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
968 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
969#else
8a7ddc38 970static void host_alarm_handler(int host_signum)
67b915a5 971#endif
8a7ddc38 972{
02ba45c5
FB		 973#if 0
974#define DISP_FREQ 1000
975 {
976 static int64_t delta_min = INT64_MAX;
977 static int64_t delta_max, delta_cum, last_clock, delta, ti;
978 static int count;
979 ti = qemu_get_clock(vm_clock);
980 if (last_clock != 0) {
981 delta = ti - last_clock;
982 if (delta < delta_min)
983 delta_min = delta;
984 if (delta > delta_max)
985 delta_max = delta;
986 delta_cum += delta;
987 if (++count == DISP_FREQ) {
26a76461 988 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
02ba45c5
FB		 989 muldiv64(delta_min, 1000000, ticks_per_sec),
990 muldiv64(delta_max, 1000000, ticks_per_sec),
991 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
992 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
993 count = 0;
994 delta_min = INT64_MAX;
995 delta_max = 0;
996 delta_cum = 0;
997 }
998 }
999 last_clock = ti;
1000 }
1001#endif
8a7ddc38
FB		 1002 if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
1003 qemu_get_clock(vm_clock)) ||
1004 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
1005 qemu_get_clock(rt_clock))) {
06d9f2f7
FB		 1006#ifdef _WIN32
1007 SetEvent(host_alarm);
1008#endif
6a00d601
FB		 1009 CPUState *env = cpu_single_env;
1010 if (env) {
1011 /* stop the currently executing cpu because a timer occured */
1012 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
a332e112 1013#ifdef USE_KQEMU
6a00d601
FB		 1014 if (env->kqemu_enabled) {
1015 kqemu_cpu_interrupt(env);
1016 }
a332e112 1017#endif
6a00d601 1018 }
8a7ddc38
FB		 1019 }
1020}
1021
fd872598
FB		 1022#ifndef _WIN32
1023
829309c7
FB		 1024#if defined(__linux__)
1025
fd872598
FB		 1026#define RTC_FREQ 1024
1027
1028static int rtc_fd;
829309c7 1029
fd872598
FB		 1030static int start_rtc_timer(void)
1031{
1032 rtc_fd = open("/dev/rtc", O_RDONLY);
1033 if (rtc_fd < 0)
1034 return -1;
1035 if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
1036 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1037 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1038 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1039 goto fail;
1040 }
1041 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1042 fail:
1043 close(rtc_fd);
1044 return -1;
1045 }
1046 pit_min_timer_count = PIT_FREQ / RTC_FREQ;
1047 return 0;
1048}
1049
829309c7
FB		 1050#else
1051
1052static int start_rtc_timer(void)
1053{
1054 return -1;
1055}
1056
1057#endif /* !defined(__linux__) */
1058
1059#endif /* !defined(_WIN32) */
fd872598 1060
1dce7c3c 1061static void init_timer_alarm(void)
8a7ddc38 1062{
67b915a5
FB		 1063#ifdef _WIN32
1064 {
1065 int count=0;
06d9f2f7
FB		 1066 TIMECAPS tc;
1067
1068 ZeroMemory(&tc, sizeof(TIMECAPS));
1069 timeGetDevCaps(&tc, sizeof(TIMECAPS));
1070 if (period < tc.wPeriodMin)
1071 period = tc.wPeriodMin;
1072 timeBeginPeriod(period);
1d14ffa9 1073 timerID = timeSetEvent(1, // interval (ms)
06d9f2f7 1074 period, // resolution
40c3bac3
FB		 1075 host_alarm_handler, // function
1076 (DWORD)&count, // user parameter
1077 TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
67b915a5
FB		 1078 if( !timerID ) {
1079 perror("failed timer alarm");
1080 exit(1);
1081 }
06d9f2f7
FB		 1082 host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
1083 if (!host_alarm) {
1084 perror("failed CreateEvent");
1085 exit(1);
1086 }
a18e524a 1087 qemu_add_wait_object(host_alarm, NULL, NULL);
67b915a5
FB		 1088 }
1089 pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
1090#else
1091 {
1092 struct sigaction act;
1093 struct itimerval itv;
1094
1095 /* get times() syscall frequency */
1096 timer_freq = sysconf(_SC_CLK_TCK);
1097
1098 /* timer signal */
1099 sigfillset(&act.sa_mask);
a09db21f 1100 act.sa_flags = 0;
8a7ddc38 1101#if defined (TARGET_I386) && defined(USE_CODE_COPY)
67b915a5
FB		 1102 act.sa_flags |= SA_ONSTACK;
1103#endif
1104 act.sa_handler = host_alarm_handler;
1105 sigaction(SIGALRM, &act, NULL);
fd872598 1106
67b915a5 1107 itv.it_interval.tv_sec = 0;
d79284e0 1108 itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */
67b915a5
FB		 1109 itv.it_value.tv_sec = 0;
1110 itv.it_value.tv_usec = 10 * 1000;
1111 setitimer(ITIMER_REAL, &itv, NULL);
1112 /* we probe the tick duration of the kernel to inform the user if
1113 the emulated kernel requested a too high timer frequency */
1114 getitimer(ITIMER_REAL, &itv);
fd872598 1115
83fb7adf 1116#if defined(__linux__)
29e3055c
FB		 1117 /* XXX: force /dev/rtc usage because even 2.6 kernels may not
1118 have timers with 1 ms resolution. The correct solution will
1119 be to use the POSIX real time timers available in recent
1120 2.6 kernels */
1121 if (itv.it_interval.tv_usec > 1000 || 1) {
fd872598
FB		 1122 /* try to use /dev/rtc to have a faster timer */
1123 if (start_rtc_timer() < 0)
1124 goto use_itimer;
1125 /* disable itimer */
1126 itv.it_interval.tv_sec = 0;
1127 itv.it_interval.tv_usec = 0;
1128 itv.it_value.tv_sec = 0;
1129 itv.it_value.tv_usec = 0;
1130 setitimer(ITIMER_REAL, &itv, NULL);
1131
1132 /* use the RTC */
a1968d71 1133 sigaction(SIGIO, &act, NULL);
fd872598
FB		 1134 fcntl(rtc_fd, F_SETFL, O_ASYNC);
1135 fcntl(rtc_fd, F_SETOWN, getpid());
83fb7adf
FB		 1136 } else
1137#endif /* defined(__linux__) */
1138 {
fd872598
FB		 1139 use_itimer:
1140 pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
1141 PIT_FREQ) / 1000000;
1142 }
67b915a5 1143 }
8a7ddc38 1144#endif
8a7ddc38
FB		 1145}
1146
40c3bac3
FB		 1147void quit_timers(void)
1148{
1149#ifdef _WIN32
1150 timeKillEvent(timerID);
06d9f2f7
FB		 1151 timeEndPeriod(period);
1152 if (host_alarm) {
1153 CloseHandle(host_alarm);
1154 host_alarm = NULL;
1155 }
40c3bac3
FB		 1156#endif
1157}
1158
c4b1fcc0 1159/***********************************************************/
82c643ff 1160/* character device */
313aa567 1161
e5b0bc44
PB		 1162static void qemu_chr_event(CharDriverState *s, int event)
1163{
1164 if (!s->chr_event)
1165 return;
1166 s->chr_event(s->handler_opaque, event);
1167}
1168
86e94dea
TS		 1169static void qemu_chr_reset_bh(void *opaque)
1170{
1171 CharDriverState *s = opaque;
e5b0bc44 1172 qemu_chr_event(s, CHR_EVENT_RESET);
86e94dea
TS		 1173 qemu_bh_delete(s->bh);
1174 s->bh = NULL;
1175}
1176
1177void qemu_chr_reset(CharDriverState *s)
1178{
1179 if (s->bh == NULL) {
1180 s->bh = qemu_bh_new(qemu_chr_reset_bh, s);
1181 qemu_bh_schedule(s->bh);
1182 }
1183}
1184
82c643ff
FB		 1185int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
1186{
1187 return s->chr_write(s, buf, len);
1188}
67b915a5 1189
e57a8c0e 1190int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
f8d179e3 1191{
e57a8c0e
FB		 1192 if (!s->chr_ioctl)
1193 return -ENOTSUP;
1194 return s->chr_ioctl(s, cmd, arg);
f8d179e3
FB		 1195}
1196
e5b0bc44
PB		 1197int qemu_chr_can_read(CharDriverState *s)
1198{
1199 if (!s->chr_can_read)
1200 return 0;
1201 return s->chr_can_read(s->handler_opaque);
1202}
1203
1204void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len)
1205{
1206 s->chr_read(s->handler_opaque, buf, len);
1207}
1208
1209
82c643ff 1210void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
67b915a5 1211{
82c643ff
FB		 1212 char buf[4096];
1213 va_list ap;
1214 va_start(ap, fmt);
1215 vsnprintf(buf, sizeof(buf), fmt, ap);
1216 qemu_chr_write(s, buf, strlen(buf));
1217 va_end(ap);
67b915a5
FB		 1218}
1219
5905b2e5
FB		 1220void qemu_chr_send_event(CharDriverState *s, int event)
1221{
1222 if (s->chr_send_event)
1223 s->chr_send_event(s, event);
1224}
1225
e5b0bc44
PB		 1226void qemu_chr_add_handlers(CharDriverState *s,
1227 IOCanRWHandler *fd_can_read,
1228 IOReadHandler *fd_read,
1229 IOEventHandler *fd_event,
1230 void *opaque)
82c643ff 1231{
e5b0bc44
PB		 1232 s->chr_can_read = fd_can_read;
1233 s->chr_read = fd_read;
1234 s->chr_event = fd_event;
1235 s->handler_opaque = opaque;
1236 if (s->chr_update_read_handler)
1237 s->chr_update_read_handler(s);
82c643ff
FB		 1238}
1239
82c643ff 1240static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
313aa567 1241{
82c643ff
FB		 1242 return len;
1243}
1244
52f61fde 1245static CharDriverState *qemu_chr_open_null(void)
82c643ff
FB		 1246{
1247 CharDriverState *chr;
1248
1249 chr = qemu_mallocz(sizeof(CharDriverState));
1250 if (!chr)
1251 return NULL;
1252 chr->chr_write = null_chr_write;
82c643ff
FB		 1253 return chr;
1254}
1255
20d8a3ed
TS		 1256/* MUX driver for serial I/O splitting */
1257static int term_timestamps;
1258static int64_t term_timestamps_start;
9c1de612 1259#define MAX_MUX 4
20d8a3ed
TS		 1260typedef struct {
1261 IOCanRWHandler *chr_can_read[MAX_MUX];
1262 IOReadHandler *chr_read[MAX_MUX];
1263 IOEventHandler *chr_event[MAX_MUX];
1264 void *ext_opaque[MAX_MUX];
1265 CharDriverState *drv;
1266 int mux_cnt;
1267 int term_got_escape;
1268 int max_size;
1269} MuxDriver;
1270
1271
1272static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1273{
1274 MuxDriver *d = chr->opaque;
1275 int ret;
1276 if (!term_timestamps) {
1277 ret = d->drv->chr_write(d->drv, buf, len);
1278 } else {
1279 int i;
1280
1281 ret = 0;
1282 for(i = 0; i < len; i++) {
1283 ret += d->drv->chr_write(d->drv, buf+i, 1);
1284 if (buf[i] == '\n') {
1285 char buf1[64];
1286 int64_t ti;
1287 int secs;
1288
1289 ti = get_clock();
1290 if (term_timestamps_start == -1)
1291 term_timestamps_start = ti;
1292 ti -= term_timestamps_start;
1293 secs = ti / 1000000000;
1294 snprintf(buf1, sizeof(buf1),
1295 "[%02d:%02d:%02d.%03d] ",
1296 secs / 3600,
1297 (secs / 60) % 60,
1298 secs % 60,
1299 (int)((ti / 1000000) % 1000));
1300 d->drv->chr_write(d->drv, buf1, strlen(buf1));
1301 }
1302 }
1303 }
1304 return ret;
1305}
1306
1307static char *mux_help[] = {
1308 "% h print this help\n\r",
1309 "% x exit emulator\n\r",
1310 "% s save disk data back to file (if -snapshot)\n\r",
1311 "% t toggle console timestamps\n\r"
1312 "% b send break (magic sysrq)\n\r",
1313 "% c switch between console and monitor\n\r",
1314 "% % sends %\n\r",
1315 NULL
1316};
1317
1318static int term_escape_char = 0x01; /* ctrl-a is used for escape */
1319static void mux_print_help(CharDriverState *chr)
1320{
1321 int i, j;
1322 char ebuf[15] = "Escape-Char";
1323 char cbuf[50] = "\n\r";
1324
1325 if (term_escape_char > 0 && term_escape_char < 26) {
1326 sprintf(cbuf,"\n\r");
1327 sprintf(ebuf,"C-%c", term_escape_char - 1 + 'a');
1328 } else {
1329 sprintf(cbuf,"\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", term_escape_char);
1330 }
1331 chr->chr_write(chr, cbuf, strlen(cbuf));
1332 for (i = 0; mux_help[i] != NULL; i++) {
1333 for (j=0; mux_help[i][j] != '\0'; j++) {
1334 if (mux_help[i][j] == '%')
1335 chr->chr_write(chr, ebuf, strlen(ebuf));
1336 else
1337 chr->chr_write(chr, &mux_help[i][j], 1);
1338 }
1339 }
1340}
1341
1342static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
1343{
1344 if (d->term_got_escape) {
1345 d->term_got_escape = 0;
1346 if (ch == term_escape_char)
1347 goto send_char;
1348 switch(ch) {
1349 case '?':
1350 case 'h':
1351 mux_print_help(chr);
1352 break;
1353 case 'x':
1354 {
1355 char *term = "QEMU: Terminated\n\r";
1356 chr->chr_write(chr,term,strlen(term));
1357 exit(0);
1358 break;
1359 }
1360 case 's':
1361 {
1362 int i;
1363 for (i = 0; i < MAX_DISKS; i++) {
1364 if (bs_table[i])
1365 bdrv_commit(bs_table[i]);
1366 }
2dc7b602
AZ		 1367 if (mtd_bdrv)
1368 bdrv_commit(mtd_bdrv);
20d8a3ed
TS		 1369 }
1370 break;
1371 case 'b':
36ddb83b 1372 qemu_chr_event(chr, CHR_EVENT_BREAK);
20d8a3ed
TS		 1373 break;
1374 case 'c':
1375 /* Switch to the next registered device */
1376 chr->focus++;
1377 if (chr->focus >= d->mux_cnt)
1378 chr->focus = 0;
1379 break;
1380 case 't':
1381 term_timestamps = !term_timestamps;
1382 term_timestamps_start = -1;
1383 break;
1384 }
1385 } else if (ch == term_escape_char) {
1386 d->term_got_escape = 1;
1387 } else {
1388 send_char:
1389 return 1;
1390 }
1391 return 0;
1392}
1393
1394static int mux_chr_can_read(void *opaque)
1395{
1396 CharDriverState *chr = opaque;
1397 MuxDriver *d = chr->opaque;
1398 if (d->chr_can_read[chr->focus])
1399 return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]);
1400 return 0;
1401}
1402
1403static void mux_chr_read(void *opaque, const uint8_t *buf, int size)
1404{
1405 CharDriverState *chr = opaque;
1406 MuxDriver *d = chr->opaque;
1407 int i;
1408 for(i = 0; i < size; i++)
1409 if (mux_proc_byte(chr, d, buf[i]))
1410 d->chr_read[chr->focus](d->ext_opaque[chr->focus], &buf[i], 1);
1411}
1412
1413static void mux_chr_event(void *opaque, int event)
1414{
1415 CharDriverState *chr = opaque;
1416 MuxDriver *d = chr->opaque;
1417 int i;
1418
1419 /* Send the event to all registered listeners */
1420 for (i = 0; i < d->mux_cnt; i++)
1421 if (d->chr_event[i])
1422 d->chr_event[i](d->ext_opaque[i], event);
1423}
1424
1425static void mux_chr_update_read_handler(CharDriverState *chr)
1426{
1427 MuxDriver *d = chr->opaque;
1428
1429 if (d->mux_cnt >= MAX_MUX) {
1430 fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
1431 return;
1432 }
1433 d->ext_opaque[d->mux_cnt] = chr->handler_opaque;
1434 d->chr_can_read[d->mux_cnt] = chr->chr_can_read;
1435 d->chr_read[d->mux_cnt] = chr->chr_read;
1436 d->chr_event[d->mux_cnt] = chr->chr_event;
1437 /* Fix up the real driver with mux routines */
1438 if (d->mux_cnt == 0) {
1439 qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read,
1440 mux_chr_event, chr);
1441 }
1442 chr->focus = d->mux_cnt;
1443 d->mux_cnt++;
1444}
1445
1446CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
1447{
1448 CharDriverState *chr;
1449 MuxDriver *d;
1450
1451 chr = qemu_mallocz(sizeof(CharDriverState));
1452 if (!chr)
1453 return NULL;
1454 d = qemu_mallocz(sizeof(MuxDriver));
1455 if (!d) {
1456 free(chr);
1457 return NULL;
1458 }
1459
1460 chr->opaque = d;
1461 d->drv = drv;
1462 chr->focus = -1;
1463 chr->chr_write = mux_chr_write;
1464 chr->chr_update_read_handler = mux_chr_update_read_handler;
1465 return chr;
1466}
1467
1468
fd1dff4b 1469#ifdef _WIN32
82c643ff 1470
fd1dff4b
FB		 1471static void socket_cleanup(void)
1472{
1473 WSACleanup();
1474}
82c643ff 1475
fd1dff4b
FB		 1476static int socket_init(void)
1477{
1478 WSADATA Data;
1479 int ret, err;
1480
1481 ret = WSAStartup(MAKEWORD(2,2), &Data);
1482 if (ret != 0) {
1483 err = WSAGetLastError();
1484 fprintf(stderr, "WSAStartup: %d\n", err);
1485 return -1;
1486 }
1487 atexit(socket_cleanup);
1488 return 0;
1489}
1490
1491static int send_all(int fd, const uint8_t *buf, int len1)
1492{
1493 int ret, len;
1494
1495 len = len1;
1496 while (len > 0) {
1497 ret = send(fd, buf, len, 0);
1498 if (ret < 0) {
1499 int errno;
1500 errno = WSAGetLastError();
1501 if (errno != WSAEWOULDBLOCK) {
1502 return -1;
1503 }
1504 } else if (ret == 0) {
1505 break;
1506 } else {
1507 buf += ret;
1508 len -= ret;
1509 }
1510 }
1511 return len1 - len;
1512}
1513
1514void socket_set_nonblock(int fd)
1515{
1516 unsigned long opt = 1;
1517 ioctlsocket(fd, FIONBIO, &opt);
1518}
1519
1520#else
1521
1d96905d
FB		 1522static int unix_write(int fd, const uint8_t *buf, int len1)
1523{
1524 int ret, len;
1525
1526 len = len1;
1527 while (len > 0) {
1528 ret = write(fd, buf, len);
1529 if (ret < 0) {
1530 if (errno != EINTR && errno != EAGAIN)
1531 return -1;
1532 } else if (ret == 0) {
1533 break;
1534 } else {
1535 buf += ret;
1536 len -= ret;
1537 }
1538 }
1539 return len1 - len;
1540}
1541
fd1dff4b
FB		 1542static inline int send_all(int fd, const uint8_t *buf, int len1)
1543{
1544 return unix_write(fd, buf, len1);
1545}
1546
1547void socket_set_nonblock(int fd)
1548{
1549 fcntl(fd, F_SETFL, O_NONBLOCK);
1550}
1551#endif /* !_WIN32 */
1552
1553#ifndef _WIN32
1554
1555typedef struct {
1556 int fd_in, fd_out;
fd1dff4b
FB		 1557 int max_size;
1558} FDCharDriver;
1559
20d8a3ed
TS		 1560#define STDIO_MAX_CLIENTS 1
1561static int stdio_nb_clients = 0;
fd1dff4b 1562
82c643ff
FB		 1563static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1564{
1565 FDCharDriver *s = chr->opaque;
1d96905d 1566 return unix_write(s->fd_out, buf, len);
82c643ff
FB		 1567}
1568
7c9d8e07
FB		 1569static int fd_chr_read_poll(void *opaque)
1570{
1571 CharDriverState *chr = opaque;
1572 FDCharDriver *s = chr->opaque;
1573
e5b0bc44 1574 s->max_size = qemu_chr_can_read(chr);
7c9d8e07
FB		 1575 return s->max_size;
1576}
1577
1578static void fd_chr_read(void *opaque)
1579{
1580 CharDriverState *chr = opaque;
1581 FDCharDriver *s = chr->opaque;
1582 int size, len;
1583 uint8_t buf[1024];
1584
1585 len = sizeof(buf);
1586 if (len > s->max_size)
1587 len = s->max_size;
1588 if (len == 0)
1589 return;
1590 size = read(s->fd_in, buf, len);
188157fe
PB		 1591 if (size == 0) {
1592 /* FD has been closed. Remove it from the active list. */
1593 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
1594 return;
1595 }
7c9d8e07 1596 if (size > 0) {
e5b0bc44 1597 qemu_chr_read(chr, buf, size);
7c9d8e07
FB		 1598 }
1599}
1600
e5b0bc44 1601static void fd_chr_update_read_handler(CharDriverState *chr)
82c643ff
FB		 1602{
1603 FDCharDriver *s = chr->opaque;
1604
f8d179e3
FB		 1605 if (s->fd_in >= 0) {
1606 if (nographic && s->fd_in == 0) {
f8d179e3 1607 } else {
7c9d8e07
FB		 1608 qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
1609 fd_chr_read, NULL, chr);
f8d179e3 1610 }
82c643ff
FB		 1611 }
1612}
1613
1614/* open a character device to a unix fd */
52f61fde 1615static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
82c643ff
FB		 1616{
1617 CharDriverState *chr;
1618 FDCharDriver *s;
1619
1620 chr = qemu_mallocz(sizeof(CharDriverState));
1621 if (!chr)
1622 return NULL;
1623 s = qemu_mallocz(sizeof(FDCharDriver));
1624 if (!s) {
1625 free(chr);
1626 return NULL;
1627 }
1628 s->fd_in = fd_in;
1629 s->fd_out = fd_out;
1630 chr->opaque = s;
1631 chr->chr_write = fd_chr_write;
e5b0bc44 1632 chr->chr_update_read_handler = fd_chr_update_read_handler;
86e94dea
TS		 1633
1634 qemu_chr_reset(chr);
1635
82c643ff
FB		 1636 return chr;
1637}
1638
52f61fde 1639static CharDriverState *qemu_chr_open_file_out(const char *file_out)
f8d179e3
FB		 1640{
1641 int fd_out;
1642
89ba1a73 1643 fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666);
f8d179e3
FB		 1644 if (fd_out < 0)
1645 return NULL;
1646 return qemu_chr_open_fd(-1, fd_out);
1647}
1648
52f61fde 1649static CharDriverState *qemu_chr_open_pipe(const char *filename)
f8d179e3 1650{
c26c1c4b
TS		 1651 int fd_in, fd_out;
1652 char filename_in[256], filename_out[256];
1653
1654 snprintf(filename_in, 256, "%s.in", filename);
1655 snprintf(filename_out, 256, "%s.out", filename);
1656 fd_in = open(filename_in, O_RDWR | O_BINARY);
1657 fd_out = open(filename_out, O_RDWR | O_BINARY);
1658 if (fd_in < 0 || fd_out < 0) {
1659 if (fd_in >= 0)
1660 close(fd_in);
1661 if (fd_out >= 0)
1662 close(fd_out);
1663 fd_in = fd_out = open(filename, O_RDWR | O_BINARY);
1664 if (fd_in < 0)
1665 return NULL;
1666 }
1667 return qemu_chr_open_fd(fd_in, fd_out);
f8d179e3
FB		 1668}
1669
1670
82c643ff
FB		 1671/* for STDIO, we handle the case where several clients use it
1672 (nographic mode) */
1673
aa0bc6b6
FB		 1674#define TERM_FIFO_MAX_SIZE 1
1675
aa0bc6b6 1676static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
1dce7c3c 1677static int term_fifo_size;
330d0414 1678
7c9d8e07 1679static int stdio_read_poll(void *opaque)
82c643ff 1680{
20d8a3ed 1681 CharDriverState *chr = opaque;
aa0bc6b6 1682
20d8a3ed
TS		 1683 /* try to flush the queue if needed */
1684 if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) {
1685 qemu_chr_read(chr, term_fifo, 1);
1686 term_fifo_size = 0;
aa0bc6b6 1687 }
20d8a3ed
TS		 1688 /* see if we can absorb more chars */
1689 if (term_fifo_size == 0)
1690 return 1;
1691 else
1692 return 0;
82c643ff
FB		 1693}
1694
7c9d8e07 1695static void stdio_read(void *opaque)
82c643ff 1696{
7c9d8e07
FB		 1697 int size;
1698 uint8_t buf[1];
20d8a3ed
TS		 1699 CharDriverState *chr = opaque;
1700
7c9d8e07 1701 size = read(0, buf, 1);
519945df
PB		 1702 if (size == 0) {
1703 /* stdin has been closed. Remove it from the active list. */
1704 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
1705 return;
1706 }
20d8a3ed
TS		 1707 if (size > 0) {
1708 if (qemu_chr_can_read(chr) > 0) {
1709 qemu_chr_read(chr, buf, 1);
1710 } else if (term_fifo_size == 0) {
1711 term_fifo[term_fifo_size++] = buf[0];
1dce7c3c 1712 }
1dce7c3c
FB		 1713 }
1714}
1715
8d11df9e
FB		 1716/* init terminal so that we can grab keys */
1717static struct termios oldtty;
1718static int old_fd0_flags;
1719
1720static void term_exit(void)
1721{
1722 tcsetattr (0, TCSANOW, &oldtty);
1723 fcntl(0, F_SETFL, old_fd0_flags);
1724}
1725
1726static void term_init(void)
1727{
1728 struct termios tty;
1729
1730 tcgetattr (0, &tty);
1731 oldtty = tty;
1732 old_fd0_flags = fcntl(0, F_GETFL);
1733
1734 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1735 |INLCR|IGNCR|ICRNL|IXON);
1736 tty.c_oflag |= OPOST;
1737 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1738 /* if graphical mode, we allow Ctrl-C handling */
1739 if (nographic)
1740 tty.c_lflag &= ~ISIG;
1741 tty.c_cflag &= ~(CSIZE|PARENB);
1742 tty.c_cflag |= CS8;
1743 tty.c_cc[VMIN] = 1;
1744 tty.c_cc[VTIME] = 0;
1745
1746 tcsetattr (0, TCSANOW, &tty);
1747
1748 atexit(term_exit);
1749
1750 fcntl(0, F_SETFL, O_NONBLOCK);
1751}
1752
52f61fde 1753static CharDriverState *qemu_chr_open_stdio(void)
82c643ff
FB		 1754{
1755 CharDriverState *chr;
1756
20d8a3ed
TS		 1757 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
1758 return NULL;
1759 chr = qemu_chr_open_fd(0, 1);
1760 qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr);
1761 stdio_nb_clients++;
1762 term_init();
1763
82c643ff
FB		 1764 return chr;
1765}
1766
1767#if defined(__linux__)
52f61fde 1768static CharDriverState *qemu_chr_open_pty(void)
82c643ff 1769{
91fc2119 1770 struct termios tty;
82c643ff
FB		 1771 char slave_name[1024];
1772 int master_fd, slave_fd;
1773
1774 /* Not satisfying */
1775 if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
1776 return NULL;
1777 }
91fc2119
FB		 1778
1779 /* Disabling local echo and line-buffered output */
1780 tcgetattr (master_fd, &tty);
1781 tty.c_lflag &= ~(ECHO|ICANON|ISIG);
1782 tty.c_cc[VMIN] = 1;
1783 tty.c_cc[VTIME] = 0;
1784 tcsetattr (master_fd, TCSAFLUSH, &tty);
1785
82c643ff
FB		 1786 fprintf(stderr, "char device redirected to %s\n", slave_name);
1787 return qemu_chr_open_fd(master_fd, master_fd);
1788}
f8d179e3
FB		 1789
1790static void tty_serial_init(int fd, int speed,
1791 int parity, int data_bits, int stop_bits)
1792{
1793 struct termios tty;
1794 speed_t spd;
1795
e57a8c0e
FB		 1796#if 0
1797 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
1798 speed, parity, data_bits, stop_bits);
1799#endif
1800 tcgetattr (fd, &tty);
f8d179e3
FB		 1801
1802 switch(speed) {
1803 case 50:
1804 spd = B50;
1805 break;
1806 case 75:
1807 spd = B75;
1808 break;
1809 case 300:
1810 spd = B300;
1811 break;
1812 case 600:
1813 spd = B600;
1814 break;
1815 case 1200:
1816 spd = B1200;
1817 break;
1818 case 2400:
1819 spd = B2400;
1820 break;
1821 case 4800:
1822 spd = B4800;
1823 break;
1824 case 9600:
1825 spd = B9600;
1826 break;
1827 case 19200:
1828 spd = B19200;
1829 break;
1830 case 38400:
1831 spd = B38400;
1832 break;
1833 case 57600:
1834 spd = B57600;
1835 break;
1836 default:
1837 case 115200:
1838 spd = B115200;
1839 break;
1840 }
1841
1842 cfsetispeed(&tty, spd);
1843 cfsetospeed(&tty, spd);
1844
1845 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1846 |INLCR|IGNCR|ICRNL|IXON);
1847 tty.c_oflag |= OPOST;
1848 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
094eed6c 1849 tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
f8d179e3
FB		 1850 switch(data_bits) {
1851 default:
1852 case 8:
1853 tty.c_cflag |= CS8;
1854 break;
1855 case 7:
1856 tty.c_cflag |= CS7;
1857 break;
1858 case 6:
1859 tty.c_cflag |= CS6;
1860 break;
1861 case 5:
1862 tty.c_cflag |= CS5;
1863 break;
1864 }
1865 switch(parity) {
1866 default:
1867 case 'N':
1868 break;
1869 case 'E':
1870 tty.c_cflag |= PARENB;
1871 break;
1872 case 'O':
1873 tty.c_cflag |= PARENB | PARODD;
1874 break;
1875 }
094eed6c
FB		 1876 if (stop_bits == 2)
1877 tty.c_cflag |= CSTOPB;
f8d179e3
FB		 1878
1879 tcsetattr (fd, TCSANOW, &tty);
1880}
1881
e57a8c0e 1882static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
f8d179e3
FB		 1883{
1884 FDCharDriver *s = chr->opaque;
e57a8c0e
FB		 1885
1886 switch(cmd) {
1887 case CHR_IOCTL_SERIAL_SET_PARAMS:
1888 {
1889 QEMUSerialSetParams *ssp = arg;
1890 tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
1891 ssp->data_bits, ssp->stop_bits);
1892 }
1893 break;
1894 case CHR_IOCTL_SERIAL_SET_BREAK:
1895 {
1896 int enable = *(int *)arg;
1897 if (enable)
1898 tcsendbreak(s->fd_in, 1);
1899 }
1900 break;
1901 default:
1902 return -ENOTSUP;
1903 }
1904 return 0;
f8d179e3
FB		 1905}
1906
52f61fde 1907static CharDriverState *qemu_chr_open_tty(const char *filename)
f8d179e3
FB		 1908{
1909 CharDriverState *chr;
1910 int fd;
1911
e57a8c0e 1912 fd = open(filename, O_RDWR | O_NONBLOCK);
f8d179e3
FB		 1913 if (fd < 0)
1914 return NULL;
1915 fcntl(fd, F_SETFL, O_NONBLOCK);
1916 tty_serial_init(fd, 115200, 'N', 8, 1);
1917 chr = qemu_chr_open_fd(fd, fd);
1918 if (!chr)
1919 return NULL;
e57a8c0e 1920 chr->chr_ioctl = tty_serial_ioctl;
86e94dea 1921 qemu_chr_reset(chr);
e57a8c0e
FB		 1922 return chr;
1923}
1924
5867c88a
TS		 1925typedef struct {
1926 int fd;
1927 int mode;
1928} ParallelCharDriver;
1929
1930static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode)
1931{
1932 if (s->mode != mode) {
1933 int m = mode;
1934 if (ioctl(s->fd, PPSETMODE, &m) < 0)
1935 return 0;
1936 s->mode = mode;
1937 }
1938 return 1;
1939}
1940
e57a8c0e
FB		 1941static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1942{
5867c88a
TS		 1943 ParallelCharDriver *drv = chr->opaque;
1944 int fd = drv->fd;
e57a8c0e
FB		 1945 uint8_t b;
1946
1947 switch(cmd) {
1948 case CHR_IOCTL_PP_READ_DATA:
1949 if (ioctl(fd, PPRDATA, &b) < 0)
1950 return -ENOTSUP;
1951 *(uint8_t *)arg = b;
1952 break;
1953 case CHR_IOCTL_PP_WRITE_DATA:
1954 b = *(uint8_t *)arg;
1955 if (ioctl(fd, PPWDATA, &b) < 0)
1956 return -ENOTSUP;
1957 break;
1958 case CHR_IOCTL_PP_READ_CONTROL:
1959 if (ioctl(fd, PPRCONTROL, &b) < 0)
1960 return -ENOTSUP;
5867c88a
TS		 1961 /* Linux gives only the lowest bits, and no way to know data
1962 direction! For better compatibility set the fixed upper
1963 bits. */
1964 *(uint8_t *)arg = b | 0xc0;
e57a8c0e
FB		 1965 break;
1966 case CHR_IOCTL_PP_WRITE_CONTROL:
1967 b = *(uint8_t *)arg;
1968 if (ioctl(fd, PPWCONTROL, &b) < 0)
1969 return -ENOTSUP;
1970 break;
1971 case CHR_IOCTL_PP_READ_STATUS:
1972 if (ioctl(fd, PPRSTATUS, &b) < 0)
1973 return -ENOTSUP;
1974 *(uint8_t *)arg = b;
1975 break;
5867c88a
TS		 1976 case CHR_IOCTL_PP_EPP_READ_ADDR:
1977 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1978 struct ParallelIOArg *parg = arg;
1979 int n = read(fd, parg->buffer, parg->count);
1980 if (n != parg->count) {
1981 return -EIO;
1982 }
1983 }
1984 break;
1985 case CHR_IOCTL_PP_EPP_READ:
1986 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
1987 struct ParallelIOArg *parg = arg;
1988 int n = read(fd, parg->buffer, parg->count);
1989 if (n != parg->count) {
1990 return -EIO;
1991 }
1992 }
1993 break;
1994 case CHR_IOCTL_PP_EPP_WRITE_ADDR:
1995 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1996 struct ParallelIOArg *parg = arg;
1997 int n = write(fd, parg->buffer, parg->count);
1998 if (n != parg->count) {
1999 return -EIO;
2000 }
2001 }
2002 break;
2003 case CHR_IOCTL_PP_EPP_WRITE:
2004 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
2005 struct ParallelIOArg *parg = arg;
2006 int n = write(fd, parg->buffer, parg->count);
2007 if (n != parg->count) {
2008 return -EIO;
2009 }
2010 }
2011 break;
e57a8c0e
FB		 2012 default:
2013 return -ENOTSUP;
2014 }
2015 return 0;
2016}
2017
5867c88a
TS		 2018static void pp_close(CharDriverState *chr)
2019{
2020 ParallelCharDriver *drv = chr->opaque;
2021 int fd = drv->fd;
2022
2023 pp_hw_mode(drv, IEEE1284_MODE_COMPAT);
2024 ioctl(fd, PPRELEASE);
2025 close(fd);
2026 qemu_free(drv);
2027}
2028
52f61fde 2029static CharDriverState *qemu_chr_open_pp(const char *filename)
e57a8c0e
FB		 2030{
2031 CharDriverState *chr;
5867c88a 2032 ParallelCharDriver *drv;
e57a8c0e
FB		 2033 int fd;
2034
2035 fd = open(filename, O_RDWR);
2036 if (fd < 0)
2037 return NULL;
2038
2039 if (ioctl(fd, PPCLAIM) < 0) {
2040 close(fd);
2041 return NULL;
2042 }
2043
5867c88a
TS		 2044 drv = qemu_mallocz(sizeof(ParallelCharDriver));
2045 if (!drv) {
2046 close(fd);
2047 return NULL;
2048 }
2049 drv->fd = fd;
2050 drv->mode = IEEE1284_MODE_COMPAT;
2051
e57a8c0e
FB		 2052 chr = qemu_mallocz(sizeof(CharDriverState));
2053 if (!chr) {
5867c88a 2054 qemu_free(drv);
e57a8c0e
FB		 2055 close(fd);
2056 return NULL;
2057 }
e57a8c0e 2058 chr->chr_write = null_chr_write;
e57a8c0e 2059 chr->chr_ioctl = pp_ioctl;
5867c88a
TS		 2060 chr->chr_close = pp_close;
2061 chr->opaque = drv;
86e94dea
TS		 2062
2063 qemu_chr_reset(chr);
2064
f8d179e3
FB		 2065 return chr;
2066}
2067
82c643ff 2068#else
52f61fde 2069static CharDriverState *qemu_chr_open_pty(void)
82c643ff
FB		 2070{
2071 return NULL;
2072}
67b915a5
FB		 2073#endif
2074
82c643ff
FB		 2075#endif /* !defined(_WIN32) */
2076
f331110f
FB		 2077#ifdef _WIN32
2078typedef struct {
f331110f
FB		 2079 int max_size;
2080 HANDLE hcom, hrecv, hsend;
2081 OVERLAPPED orecv, osend;
2082 BOOL fpipe;
2083 DWORD len;
2084} WinCharState;
2085
2086#define NSENDBUF 2048
2087#define NRECVBUF 2048
2088#define MAXCONNECT 1
2089#define NTIMEOUT 5000
2090
2091static int win_chr_poll(void *opaque);
2092static int win_chr_pipe_poll(void *opaque);
2093
087f4ae0 2094static void win_chr_close(CharDriverState *chr)
f331110f 2095{
087f4ae0
TS		 2096 WinCharState *s = chr->opaque;
2097
f331110f
FB		 2098 if (s->hsend) {
2099 CloseHandle(s->hsend);
2100 s->hsend = NULL;
2101 }
2102 if (s->hrecv) {
2103 CloseHandle(s->hrecv);
2104 s->hrecv = NULL;
2105 }
2106 if (s->hcom) {
2107 CloseHandle(s->hcom);
2108 s->hcom = NULL;
2109 }
2110 if (s->fpipe)
087f4ae0 2111 qemu_del_polling_cb(win_chr_pipe_poll, chr);
f331110f 2112 else
087f4ae0 2113 qemu_del_polling_cb(win_chr_poll, chr);
f331110f
FB		 2114}
2115
087f4ae0 2116static int win_chr_init(CharDriverState *chr, const char *filename)
f331110f
FB		 2117{
2118 WinCharState *s = chr->opaque;
f331110f
FB		 2119 COMMCONFIG comcfg;
2120 COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
2121 COMSTAT comstat;
2122 DWORD size;
2123 DWORD err;
2124
2125 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
2126 if (!s->hsend) {
2127 fprintf(stderr, "Failed CreateEvent\n");
2128 goto fail;
2129 }
2130 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2131 if (!s->hrecv) {
2132 fprintf(stderr, "Failed CreateEvent\n");
2133 goto fail;
2134 }
2135
2136 s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
2137 OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
2138 if (s->hcom == INVALID_HANDLE_VALUE) {
2139 fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
2140 s->hcom = NULL;
2141 goto fail;
2142 }
2143
2144 if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
2145 fprintf(stderr, "Failed SetupComm\n");
2146 goto fail;
2147 }
2148
2149 ZeroMemory(&comcfg, sizeof(COMMCONFIG));
2150 size = sizeof(COMMCONFIG);
2151 GetDefaultCommConfig(filename, &comcfg, &size);
2152 comcfg.dcb.DCBlength = sizeof(DCB);
2153 CommConfigDialog(filename, NULL, &comcfg);
2154
2155 if (!SetCommState(s->hcom, &comcfg.dcb)) {
2156 fprintf(stderr, "Failed SetCommState\n");
2157 goto fail;
2158 }
2159
2160 if (!SetCommMask(s->hcom, EV_ERR)) {
2161 fprintf(stderr, "Failed SetCommMask\n");
2162 goto fail;
2163 }
2164
2165 cto.ReadIntervalTimeout = MAXDWORD;
2166 if (!SetCommTimeouts(s->hcom, &cto)) {
2167 fprintf(stderr, "Failed SetCommTimeouts\n");
2168 goto fail;
2169 }
2170
2171 if (!ClearCommError(s->hcom, &err, &comstat)) {
2172 fprintf(stderr, "Failed ClearCommError\n");
2173 goto fail;
2174 }
087f4ae0 2175 qemu_add_polling_cb(win_chr_poll, chr);
f331110f
FB		 2176 return 0;
2177
2178 fail:
087f4ae0 2179 win_chr_close(chr);
f331110f
FB		 2180 return -1;
2181}
2182
2183static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
2184{
2185 WinCharState *s = chr->opaque;
2186 DWORD len, ret, size, err;
2187
2188 len = len1;
2189 ZeroMemory(&s->osend, sizeof(s->osend));
2190 s->osend.hEvent = s->hsend;
2191 while (len > 0) {
2192 if (s->hsend)
2193 ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
2194 else
2195 ret = WriteFile(s->hcom, buf, len, &size, NULL);
2196 if (!ret) {
2197 err = GetLastError();
2198 if (err == ERROR_IO_PENDING) {
2199 ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
2200 if (ret) {
2201 buf += size;
2202 len -= size;
2203 } else {
2204 break;
2205 }
2206 } else {
2207 break;
2208 }
2209 } else {
2210 buf += size;
2211 len -= size;
2212 }
2213 }
2214 return len1 - len;
2215}
2216
087f4ae0 2217static int win_chr_read_poll(CharDriverState *chr)
f331110f 2218{
087f4ae0
TS		 2219 WinCharState *s = chr->opaque;
2220
2221 s->max_size = qemu_chr_can_read(chr);
f331110f
FB		 2222 return s->max_size;
2223}
e5b0bc44 2224
087f4ae0 2225static void win_chr_readfile(CharDriverState *chr)
f331110f 2226{
087f4ae0 2227 WinCharState *s = chr->opaque;
f331110f
FB		 2228 int ret, err;
2229 uint8_t buf[1024];
2230 DWORD size;
2231
2232 ZeroMemory(&s->orecv, sizeof(s->orecv));
2233 s->orecv.hEvent = s->hrecv;
2234 ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
2235 if (!ret) {
2236 err = GetLastError();
2237 if (err == ERROR_IO_PENDING) {
2238 ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
2239 }
2240 }
2241
2242 if (size > 0) {
087f4ae0 2243 qemu_chr_read(chr, buf, size);
f331110f
FB		 2244 }
2245}
2246
087f4ae0 2247static void win_chr_read(CharDriverState *chr)
f331110f 2248{
087f4ae0
TS		 2249 WinCharState *s = chr->opaque;
2250
f331110f
FB		 2251 if (s->len > s->max_size)
2252 s->len = s->max_size;
2253 if (s->len == 0)
2254 return;
2255
087f4ae0 2256 win_chr_readfile(chr);
f331110f
FB		 2257}
2258
2259static int win_chr_poll(void *opaque)
2260{
087f4ae0
TS		 2261 CharDriverState *chr = opaque;
2262 WinCharState *s = chr->opaque;
f331110f
FB		 2263 COMSTAT status;
2264 DWORD comerr;
2265
2266 ClearCommError(s->hcom, &comerr, &status);
2267 if (status.cbInQue > 0) {
2268 s->len = status.cbInQue;
087f4ae0
TS		 2269 win_chr_read_poll(chr);
2270 win_chr_read(chr);
f331110f
FB		 2271 return 1;
2272 }
2273 return 0;
2274}
2275
52f61fde 2276static CharDriverState *qemu_chr_open_win(const char *filename)
f331110f
FB		 2277{
2278 CharDriverState *chr;
2279 WinCharState *s;
2280
2281 chr = qemu_mallocz(sizeof(CharDriverState));
2282 if (!chr)
2283 return NULL;
2284 s = qemu_mallocz(sizeof(WinCharState));
2285 if (!s) {
2286 free(chr);
2287 return NULL;
2288 }
2289 chr->opaque = s;
2290 chr->chr_write = win_chr_write;
f331110f
FB		 2291 chr->chr_close = win_chr_close;
2292
087f4ae0 2293 if (win_chr_init(chr, filename) < 0) {
f331110f
FB		 2294 free(s);
2295 free(chr);
2296 return NULL;
2297 }
86e94dea 2298 qemu_chr_reset(chr);
f331110f
FB		 2299 return chr;
2300}
2301
2302static int win_chr_pipe_poll(void *opaque)
2303{
087f4ae0
TS		 2304 CharDriverState *chr = opaque;
2305 WinCharState *s = chr->opaque;
f331110f
FB		 2306 DWORD size;
2307
2308 PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
2309 if (size > 0) {
2310 s->len = size;
087f4ae0
TS		 2311 win_chr_read_poll(chr);
2312 win_chr_read(chr);
f331110f
FB		 2313 return 1;
2314 }
2315 return 0;
2316}
2317
087f4ae0 2318static int win_chr_pipe_init(CharDriverState *chr, const char *filename)
f331110f 2319{
087f4ae0 2320 WinCharState *s = chr->opaque;
f331110f
FB		 2321 OVERLAPPED ov;
2322 int ret;
2323 DWORD size;
2324 char openname[256];
2325
2326 s->fpipe = TRUE;
2327
2328 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
2329 if (!s->hsend) {
2330 fprintf(stderr, "Failed CreateEvent\n");
2331 goto fail;
2332 }
2333 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2334 if (!s->hrecv) {
2335 fprintf(stderr, "Failed CreateEvent\n");
2336 goto fail;
2337 }
2338
2339 snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
2340 s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
2341 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
2342 PIPE_WAIT,
2343 MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
2344 if (s->hcom == INVALID_HANDLE_VALUE) {
2345 fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
2346 s->hcom = NULL;
2347 goto fail;
2348 }
2349
2350 ZeroMemory(&ov, sizeof(ov));
2351 ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
2352 ret = ConnectNamedPipe(s->hcom, &ov);
2353 if (ret) {
2354 fprintf(stderr, "Failed ConnectNamedPipe\n");
2355 goto fail;
2356 }
2357
2358 ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
2359 if (!ret) {
2360 fprintf(stderr, "Failed GetOverlappedResult\n");
2361 if (ov.hEvent) {
2362 CloseHandle(ov.hEvent);
2363 ov.hEvent = NULL;
2364 }
2365 goto fail;
2366 }
2367
2368 if (ov.hEvent) {
2369 CloseHandle(ov.hEvent);
2370 ov.hEvent = NULL;
2371 }
087f4ae0 2372 qemu_add_polling_cb(win_chr_pipe_poll, chr);
f331110f
FB		 2373 return 0;
2374
2375 fail:
087f4ae0 2376 win_chr_close(chr);
f331110f
FB		 2377 return -1;
2378}
2379
2380
52f61fde 2381static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
f331110f
FB		 2382{
2383 CharDriverState *chr;
2384 WinCharState *s;
2385
2386 chr = qemu_mallocz(sizeof(CharDriverState));
2387 if (!chr)
2388 return NULL;
2389 s = qemu_mallocz(sizeof(WinCharState));
2390 if (!s) {
2391 free(chr);
2392 return NULL;
2393 }
2394 chr->opaque = s;
2395 chr->chr_write = win_chr_write;
f331110f
FB		 2396 chr->chr_close = win_chr_close;
2397
087f4ae0 2398 if (win_chr_pipe_init(chr, filename) < 0) {
f331110f
FB		 2399 free(s);
2400 free(chr);
2401 return NULL;
2402 }
86e94dea 2403 qemu_chr_reset(chr);
f331110f
FB		 2404 return chr;
2405}
2406
52f61fde 2407static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
f331110f
FB		 2408{
2409 CharDriverState *chr;
2410 WinCharState *s;
2411
2412 chr = qemu_mallocz(sizeof(CharDriverState));
2413 if (!chr)
2414 return NULL;
2415 s = qemu_mallocz(sizeof(WinCharState));
2416 if (!s) {
2417 free(chr);
2418 return NULL;
2419 }
2420 s->hcom = fd_out;
2421 chr->opaque = s;
2422 chr->chr_write = win_chr_write;
86e94dea 2423 qemu_chr_reset(chr);
f331110f
FB		 2424 return chr;
2425}
72d46479
TS		 2426
2427static CharDriverState *qemu_chr_open_win_con(const char *filename)
2428{
2429 return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
2430}
2431
52f61fde 2432static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
f331110f
FB		 2433{
2434 HANDLE fd_out;
2435
2436 fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
2437 OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
2438 if (fd_out == INVALID_HANDLE_VALUE)
2439 return NULL;
2440
2441 return qemu_chr_open_win_file(fd_out);
2442}
2443#endif
2444
0bab00f3
FB		 2445/***********************************************************/
2446/* UDP Net console */
2447
2448typedef struct {
0bab00f3
FB		 2449 int fd;
2450 struct sockaddr_in daddr;
2451 char buf[1024];
2452 int bufcnt;
2453 int bufptr;
2454 int max_size;
2455} NetCharDriver;
2456
2457static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2458{
2459 NetCharDriver *s = chr->opaque;
2460
2461 return sendto(s->fd, buf, len, 0,
2462 (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
2463}
2464
2465static int udp_chr_read_poll(void *opaque)
2466{
2467 CharDriverState *chr = opaque;
2468 NetCharDriver *s = chr->opaque;
2469
e5b0bc44 2470 s->max_size = qemu_chr_can_read(chr);
0bab00f3
FB		 2471
2472 /* If there were any stray characters in the queue process them
2473 * first
2474 */
2475 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
e5b0bc44 2476 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
0bab00f3 2477 s->bufptr++;
e5b0bc44 2478 s->max_size = qemu_chr_can_read(chr);
0bab00f3
FB		 2479 }
2480 return s->max_size;
2481}
2482
2483static void udp_chr_read(void *opaque)
2484{
2485 CharDriverState *chr = opaque;
2486 NetCharDriver *s = chr->opaque;
2487
2488 if (s->max_size == 0)
2489 return;
2490 s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0);
2491 s->bufptr = s->bufcnt;
2492 if (s->bufcnt <= 0)
2493 return;
2494
2495 s->bufptr = 0;
2496 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
e5b0bc44 2497 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
0bab00f3 2498 s->bufptr++;
e5b0bc44 2499 s->max_size = qemu_chr_can_read(chr);
0bab00f3
FB		 2500 }
2501}
2502
e5b0bc44 2503static void udp_chr_update_read_handler(CharDriverState *chr)
0bab00f3
FB		 2504{
2505 NetCharDriver *s = chr->opaque;
2506
2507 if (s->fd >= 0) {
0bab00f3
FB		 2508 qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
2509 udp_chr_read, NULL, chr);
2510 }
2511}
2512
2513int parse_host_port(struct sockaddr_in *saddr, const char *str);
52f61fde
TS		 2514#ifndef _WIN32
2515static int parse_unix_path(struct sockaddr_un *uaddr, const char *str);
2516#endif
951f1351
FB		 2517int parse_host_src_port(struct sockaddr_in *haddr,
2518 struct sockaddr_in *saddr,
2519 const char *str);
0bab00f3 2520
52f61fde 2521static CharDriverState *qemu_chr_open_udp(const char *def)
0bab00f3
FB		 2522{
2523 CharDriverState *chr = NULL;
2524 NetCharDriver *s = NULL;
2525 int fd = -1;
951f1351 2526 struct sockaddr_in saddr;
0bab00f3
FB		 2527
2528 chr = qemu_mallocz(sizeof(CharDriverState));
2529 if (!chr)
2530 goto return_err;
2531 s = qemu_mallocz(sizeof(NetCharDriver));
2532 if (!s)
2533 goto return_err;
2534
2535 fd = socket(PF_INET, SOCK_DGRAM, 0);
2536 if (fd < 0) {
2537 perror("socket(PF_INET, SOCK_DGRAM)");
2538 goto return_err;
2539 }
2540
951f1351
FB		 2541 if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
2542 printf("Could not parse: %s\n", def);
2543 goto return_err;
0bab00f3
FB		 2544 }
2545
951f1351 2546 if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
0bab00f3
FB		 2547 {
2548 perror("bind");
2549 goto return_err;
2550 }
2551
2552 s->fd = fd;
2553 s->bufcnt = 0;
2554 s->bufptr = 0;
2555 chr->opaque = s;
2556 chr->chr_write = udp_chr_write;
e5b0bc44 2557 chr->chr_update_read_handler = udp_chr_update_read_handler;
0bab00f3
FB		 2558 return chr;
2559
2560return_err:
2561 if (chr)
2562 free(chr);
2563 if (s)
2564 free(s);
2565 if (fd >= 0)
2566 closesocket(fd);
2567 return NULL;
2568}
2569
2570/***********************************************************/
2571/* TCP Net console */
2572
2573typedef struct {
0bab00f3
FB		 2574 int fd, listen_fd;
2575 int connected;
2576 int max_size;
951f1351 2577 int do_telnetopt;
e5b0bc44 2578 int do_nodelay;
ffd843bc 2579 int is_unix;
0bab00f3
FB		 2580} TCPCharDriver;
2581
2582static void tcp_chr_accept(void *opaque);
2583
2584static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2585{
2586 TCPCharDriver *s = chr->opaque;
2587 if (s->connected) {
2588 return send_all(s->fd, buf, len);
2589 } else {
2590 /* XXX: indicate an error ? */
2591 return len;
2592 }
2593}
2594
2595static int tcp_chr_read_poll(void *opaque)
2596{
2597 CharDriverState *chr = opaque;
2598 TCPCharDriver *s = chr->opaque;
2599 if (!s->connected)
2600 return 0;
e5b0bc44 2601 s->max_size = qemu_chr_can_read(chr);
0bab00f3
FB		 2602 return s->max_size;
2603}
2604
951f1351
FB		 2605#define IAC 255
2606#define IAC_BREAK 243
2607static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
2608 TCPCharDriver *s,
2609 char *buf, int *size)
2610{
2611 /* Handle any telnet client's basic IAC options to satisfy char by
2612 * char mode with no echo. All IAC options will be removed from
2613 * the buf and the do_telnetopt variable will be used to track the
2614 * state of the width of the IAC information.
2615 *
2616 * IAC commands come in sets of 3 bytes with the exception of the
2617 * "IAC BREAK" command and the double IAC.
2618 */
2619
2620 int i;
2621 int j = 0;
2622
2623 for (i = 0; i < *size; i++) {
2624 if (s->do_telnetopt > 1) {
2625 if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
2626 /* Double IAC means send an IAC */
2627 if (j != i)
2628 buf[j] = buf[i];
2629 j++;
2630 s->do_telnetopt = 1;
2631 } else {
2632 if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
2633 /* Handle IAC break commands by sending a serial break */
e5b0bc44 2634 qemu_chr_event(chr, CHR_EVENT_BREAK);
951f1351
FB		 2635 s->do_telnetopt++;
2636 }
2637 s->do_telnetopt++;
2638 }
2639 if (s->do_telnetopt >= 4) {
2640 s->do_telnetopt = 1;
2641 }
2642 } else {
2643 if ((unsigned char)buf[i] == IAC) {
2644 s->do_telnetopt = 2;
2645 } else {
2646 if (j != i)
2647 buf[j] = buf[i];
2648 j++;
2649 }
2650 }
2651 }
2652 *size = j;
2653}
2654
0bab00f3
FB		 2655static void tcp_chr_read(void *opaque)
2656{
2657 CharDriverState *chr = opaque;
2658 TCPCharDriver *s = chr->opaque;
2659 uint8_t buf[1024];
2660 int len, size;
2661
2662 if (!s->connected || s->max_size <= 0)
2663 return;
2664 len = sizeof(buf);
2665 if (len > s->max_size)
2666 len = s->max_size;
2667 size = recv(s->fd, buf, len, 0);
2668 if (size == 0) {
2669 /* connection closed */
2670 s->connected = 0;
2671 if (s->listen_fd >= 0) {
2672 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2673 }
2674 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
2675 closesocket(s->fd);
2676 s->fd = -1;
2677 } else if (size > 0) {
951f1351
FB		 2678 if (s->do_telnetopt)
2679 tcp_chr_process_IAC_bytes(chr, s, buf, &size);
2680 if (size > 0)
e5b0bc44 2681 qemu_chr_read(chr, buf, size);
0bab00f3
FB		 2682 }
2683}
2684
0bab00f3
FB		 2685static void tcp_chr_connect(void *opaque)
2686{
2687 CharDriverState *chr = opaque;
2688 TCPCharDriver *s = chr->opaque;
2689
2690 s->connected = 1;
2691 qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
2692 tcp_chr_read, NULL, chr);
86e94dea 2693 qemu_chr_reset(chr);
0bab00f3
FB		 2694}
2695
951f1351
FB		 2696#define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
2697static void tcp_chr_telnet_init(int fd)
2698{
2699 char buf[3];
2700 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
2701 IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
2702 send(fd, (char *)buf, 3, 0);
2703 IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
2704 send(fd, (char *)buf, 3, 0);
2705 IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
2706 send(fd, (char *)buf, 3, 0);
2707 IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
2708 send(fd, (char *)buf, 3, 0);
2709}
2710
f7499989
PB		 2711static void socket_set_nodelay(int fd)
2712{
2713 int val = 1;
2714 setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
2715}
2716
0bab00f3
FB		 2717static void tcp_chr_accept(void *opaque)
2718{
2719 CharDriverState *chr = opaque;
2720 TCPCharDriver *s = chr->opaque;
2721 struct sockaddr_in saddr;
ffd843bc
TS		 2722#ifndef _WIN32
2723 struct sockaddr_un uaddr;
2724#endif
2725 struct sockaddr *addr;
0bab00f3
FB		 2726 socklen_t len;
2727 int fd;
2728
2729 for(;;) {
ffd843bc
TS		 2730#ifndef _WIN32
2731 if (s->is_unix) {
2732 len = sizeof(uaddr);
2733 addr = (struct sockaddr *)&uaddr;
2734 } else
2735#endif
2736 {
2737 len = sizeof(saddr);
2738 addr = (struct sockaddr *)&saddr;
2739 }
2740 fd = accept(s->listen_fd, addr, &len);
0bab00f3
FB		 2741 if (fd < 0 && errno != EINTR) {
2742 return;
2743 } else if (fd >= 0) {
951f1351
FB		 2744 if (s->do_telnetopt)
2745 tcp_chr_telnet_init(fd);
0bab00f3
FB		 2746 break;
2747 }
2748 }
2749 socket_set_nonblock(fd);
f7499989
PB		 2750 if (s->do_nodelay)
2751 socket_set_nodelay(fd);
0bab00f3
FB		 2752 s->fd = fd;
2753 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
2754 tcp_chr_connect(chr);
2755}
2756
2757static void tcp_chr_close(CharDriverState *chr)
2758{
2759 TCPCharDriver *s = chr->opaque;
2760 if (s->fd >= 0)
2761 closesocket(s->fd);
2762 if (s->listen_fd >= 0)
2763 closesocket(s->listen_fd);
2764 qemu_free(s);
2765}
2766
2767static CharDriverState *qemu_chr_open_tcp(const char *host_str,
ffd843bc
TS		 2768 int is_telnet,
2769 int is_unix)
0bab00f3
FB		 2770{
2771 CharDriverState *chr = NULL;
2772 TCPCharDriver *s = NULL;
2773 int fd = -1, ret, err, val;
951f1351
FB		 2774 int is_listen = 0;
2775 int is_waitconnect = 1;
f7499989 2776 int do_nodelay = 0;
951f1351 2777 const char *ptr;
0bab00f3 2778 struct sockaddr_in saddr;
ffd843bc
TS		 2779#ifndef _WIN32
2780 struct sockaddr_un uaddr;
2781#endif
2782 struct sockaddr *addr;
2783 socklen_t addrlen;
0bab00f3 2784
ffd843bc
TS		 2785#ifndef _WIN32
2786 if (is_unix) {
2787 addr = (struct sockaddr *)&uaddr;
2788 addrlen = sizeof(uaddr);
2789 if (parse_unix_path(&uaddr, host_str) < 0)
2790 goto fail;
2791 } else
2792#endif
2793 {
2794 addr = (struct sockaddr *)&saddr;
2795 addrlen = sizeof(saddr);
2796 if (parse_host_port(&saddr, host_str) < 0)
2797 goto fail;
2798 }
0bab00f3 2799
951f1351
FB		 2800 ptr = host_str;
2801 while((ptr = strchr(ptr,','))) {
2802 ptr++;
2803 if (!strncmp(ptr,"server",6)) {
2804 is_listen = 1;
2805 } else if (!strncmp(ptr,"nowait",6)) {
2806 is_waitconnect = 0;
f7499989
PB		 2807 } else if (!strncmp(ptr,"nodelay",6)) {
2808 do_nodelay = 1;
951f1351
FB		 2809 } else {
2810 printf("Unknown option: %s\n", ptr);
2811 goto fail;
2812 }
2813 }
2814 if (!is_listen)
2815 is_waitconnect = 0;
2816
0bab00f3
FB		 2817 chr = qemu_mallocz(sizeof(CharDriverState));
2818 if (!chr)
2819 goto fail;
2820 s = qemu_mallocz(sizeof(TCPCharDriver));
2821 if (!s)
2822 goto fail;
ffd843bc
TS		 2823
2824#ifndef _WIN32
2825 if (is_unix)
2826 fd = socket(PF_UNIX, SOCK_STREAM, 0);
2827 else
2828#endif
2829 fd = socket(PF_INET, SOCK_STREAM, 0);
2830
0bab00f3
FB		 2831 if (fd < 0)
2832 goto fail;
951f1351
FB		 2833
2834 if (!is_waitconnect)
2835 socket_set_nonblock(fd);
0bab00f3
FB		 2836
2837 s->connected = 0;
2838 s->fd = -1;
2839 s->listen_fd = -1;
ffd843bc 2840 s->is_unix = is_unix;
f7499989 2841 s->do_nodelay = do_nodelay && !is_unix;
ffd843bc
TS		 2842
2843 chr->opaque = s;
2844 chr->chr_write = tcp_chr_write;
ffd843bc
TS		 2845 chr->chr_close = tcp_chr_close;
2846
0bab00f3
FB		 2847 if (is_listen) {
2848 /* allow fast reuse */
ffd843bc
TS		 2849#ifndef _WIN32
2850 if (is_unix) {
2851 char path[109];
2852 strncpy(path, uaddr.sun_path, 108);
2853 path[108] = 0;
2854 unlink(path);
2855 } else
2856#endif
2857 {
2858 val = 1;
2859 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
2860 }
0bab00f3 2861
ffd843bc
TS		 2862 ret = bind(fd, addr, addrlen);
2863 if (ret < 0)
0bab00f3 2864 goto fail;
ffd843bc 2865
0bab00f3
FB		 2866 ret = listen(fd, 0);
2867 if (ret < 0)
2868 goto fail;
ffd843bc 2869
0bab00f3
FB		 2870 s->listen_fd = fd;
2871 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
951f1351
FB		 2872 if (is_telnet)
2873 s->do_telnetopt = 1;
0bab00f3
FB		 2874 } else {
2875 for(;;) {
ffd843bc 2876 ret = connect(fd, addr, addrlen);
0bab00f3
FB		 2877 if (ret < 0) {
2878 err = socket_error();
2879 if (err == EINTR || err == EWOULDBLOCK) {
2880 } else if (err == EINPROGRESS) {
2881 break;
f5b12268
TS		 2882#ifdef _WIN32
2883 } else if (err == WSAEALREADY) {
2884 break;
2885#endif
0bab00f3
FB		 2886 } else {
2887 goto fail;
2888 }
2889 } else {
2890 s->connected = 1;
2891 break;
2892 }
2893 }
2894 s->fd = fd;
f7499989 2895 socket_set_nodelay(fd);
0bab00f3
FB		 2896 if (s->connected)
2897 tcp_chr_connect(chr);
2898 else
2899 qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
2900 }
2901
951f1351
FB		 2902 if (is_listen && is_waitconnect) {
2903 printf("QEMU waiting for connection on: %s\n", host_str);
2904 tcp_chr_accept(chr);
2905 socket_set_nonblock(s->listen_fd);
2906 }
2907
0bab00f3
FB		 2908 return chr;
2909 fail:
2910 if (fd >= 0)
2911 closesocket(fd);
2912 qemu_free(s);
2913 qemu_free(chr);
2914 return NULL;
2915}
2916
82c643ff
FB		 2917CharDriverState *qemu_chr_open(const char *filename)
2918{
f8d179e3 2919 const char *p;
fd1dff4b 2920
82c643ff
FB		 2921 if (!strcmp(filename, "vc")) {
2922 return text_console_init(&display_state);
2923 } else if (!strcmp(filename, "null")) {
2924 return qemu_chr_open_null();
7664728b 2925 } else
0bab00f3 2926 if (strstart(filename, "tcp:", &p)) {
ffd843bc 2927 return qemu_chr_open_tcp(p, 0, 0);
0bab00f3 2928 } else
951f1351 2929 if (strstart(filename, "telnet:", &p)) {
ffd843bc 2930 return qemu_chr_open_tcp(p, 1, 0);
0bab00f3
FB		 2931 } else
2932 if (strstart(filename, "udp:", &p)) {
2933 return qemu_chr_open_udp(p);
2934 } else
20d8a3ed
TS		 2935 if (strstart(filename, "mon:", &p)) {
2936 CharDriverState *drv = qemu_chr_open(p);
2937 if (drv) {
2938 drv = qemu_chr_open_mux(drv);
2939 monitor_init(drv, !nographic);
2940 return drv;
2941 }
2942 printf("Unable to open driver: %s\n", p);
2943 return 0;
2944 } else
7664728b 2945#ifndef _WIN32
ffd843bc
TS		 2946 if (strstart(filename, "unix:", &p)) {
2947 return qemu_chr_open_tcp(p, 0, 1);
2948 } else if (strstart(filename, "file:", &p)) {
f8d179e3
FB		 2949 return qemu_chr_open_file_out(p);
2950 } else if (strstart(filename, "pipe:", &p)) {
2951 return qemu_chr_open_pipe(p);
7664728b 2952 } else if (!strcmp(filename, "pty")) {
82c643ff
FB		 2953 return qemu_chr_open_pty();
2954 } else if (!strcmp(filename, "stdio")) {
2955 return qemu_chr_open_stdio();
2956 } else
f8d179e3
FB		 2957#endif
2958#if defined(__linux__)
e57a8c0e
FB		 2959 if (strstart(filename, "/dev/parport", NULL)) {
2960 return qemu_chr_open_pp(filename);
2961 } else
f8d179e3
FB		 2962 if (strstart(filename, "/dev/", NULL)) {
2963 return qemu_chr_open_tty(filename);
2964 } else
f331110f
FB		 2965#endif
2966#ifdef _WIN32
2967 if (strstart(filename, "COM", NULL)) {
2968 return qemu_chr_open_win(filename);
2969 } else
2970 if (strstart(filename, "pipe:", &p)) {
2971 return qemu_chr_open_win_pipe(p);
2972 } else
72d46479
TS		 2973 if (strstart(filename, "con:", NULL)) {
2974 return qemu_chr_open_win_con(filename);
2975 } else
f331110f
FB		 2976 if (strstart(filename, "file:", &p)) {
2977 return qemu_chr_open_win_file_out(p);
2978 }
82c643ff
FB		 2979#endif
2980 {
2981 return NULL;
2982 }
2983}
2984
f331110f
FB		 2985void qemu_chr_close(CharDriverState *chr)
2986{
2987 if (chr->chr_close)
2988 chr->chr_close(chr);
2989}
2990
80cabfad 2991/***********************************************************/
7c9d8e07 2992/* network device redirectors */
330d0414 2993
c20709aa
FB		 2994void hex_dump(FILE *f, const uint8_t *buf, int size)
2995{
2996 int len, i, j, c;
2997
2998 for(i=0;i<size;i+=16) {
2999 len = size - i;
3000 if (len > 16)
3001 len = 16;
3002 fprintf(f, "%08x ", i);
3003 for(j=0;j<16;j++) {
3004 if (j < len)
3005 fprintf(f, " %02x", buf[i+j]);
3006 else
3007 fprintf(f, " ");
3008 }
3009 fprintf(f, " ");
3010 for(j=0;j<len;j++) {
3011 c = buf[i+j];
3012 if (c < ' ' || c > '~')
3013 c = '.';
3014 fprintf(f, "%c", c);
3015 }
3016 fprintf(f, "\n");
3017 }
3018}
3019
7c9d8e07 3020static int parse_macaddr(uint8_t *macaddr, const char *p)
c20709aa 3021{
7c9d8e07
FB		 3022 int i;
3023 for(i = 0; i < 6; i++) {
3024 macaddr[i] = strtol(p, (char **)&p, 16);
3025 if (i == 5) {
3026 if (*p != '\0')
3027 return -1;
3028 } else {
3029 if (*p != ':')
3030 return -1;
3031 p++;
3032 }
3033 }
3034 return 0;
c20709aa 3035}
67b915a5 3036
7c9d8e07 3037static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
67b915a5 3038{
7c9d8e07
FB		 3039 const char *p, *p1;
3040 int len;
3041 p = *pp;
3042 p1 = strchr(p, sep);
3043 if (!p1)
3044 return -1;
3045 len = p1 - p;
3046 p1++;
3047 if (buf_size > 0) {
3048 if (len > buf_size - 1)
3049 len = buf_size - 1;
3050 memcpy(buf, p, len);
3051 buf[len] = '\0';
3052 }
3053 *pp = p1;
3054 return 0;
c20709aa
FB		 3055}
3056
951f1351
FB		 3057int parse_host_src_port(struct sockaddr_in *haddr,
3058 struct sockaddr_in *saddr,
3059 const char *input_str)
3060{
3061 char *str = strdup(input_str);
3062 char *host_str = str;
3063 char *src_str;
3064 char *ptr;
3065
3066 /*
3067 * Chop off any extra arguments at the end of the string which
3068 * would start with a comma, then fill in the src port information
3069 * if it was provided else use the "any address" and "any port".
3070 */
3071 if ((ptr = strchr(str,',')))
3072 *ptr = '\0';
3073
3074 if ((src_str = strchr(input_str,'@'))) {
3075 *src_str = '\0';
3076 src_str++;
3077 }
3078
3079 if (parse_host_port(haddr, host_str) < 0)
3080 goto fail;
3081
3082 if (!src_str || *src_str == '\0')
3083 src_str = ":0";
3084
3085 if (parse_host_port(saddr, src_str) < 0)
3086 goto fail;
3087
3088 free(str);
3089 return(0);
3090
3091fail:
3092 free(str);
3093 return -1;
3094}
3095
7c9d8e07
FB		 3096int parse_host_port(struct sockaddr_in *saddr, const char *str)
3097{
3098 char buf[512];
3099 struct hostent *he;
3100 const char *p, *r;
3101 int port;
3102
3103 p = str;
3104 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3105 return -1;
3106 saddr->sin_family = AF_INET;
3107 if (buf[0] == '\0') {
3108 saddr->sin_addr.s_addr = 0;
3109 } else {
3110 if (isdigit(buf[0])) {
3111 if (!inet_aton(buf, &saddr->sin_addr))
3112 return -1;
3113 } else {
7c9d8e07
FB		 3114 if ((he = gethostbyname(buf)) == NULL)
3115 return - 1;
3116 saddr->sin_addr = *(struct in_addr *)he->h_addr;
7c9d8e07
FB		 3117 }
3118 }
3119 port = strtol(p, (char **)&r, 0);
3120 if (r == p)
3121 return -1;
3122 saddr->sin_port = htons(port);
3123 return 0;
3124}
c20709aa 3125
52f61fde
TS		 3126#ifndef _WIN32
3127static int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
ffd843bc
TS		 3128{
3129 const char *p;
3130 int len;
3131
3132 len = MIN(108, strlen(str));
3133 p = strchr(str, ',');
3134 if (p)
3135 len = MIN(len, p - str);
3136
3137 memset(uaddr, 0, sizeof(*uaddr));
3138
3139 uaddr->sun_family = AF_UNIX;
3140 memcpy(uaddr->sun_path, str, len);
3141
3142 return 0;
3143}
52f61fde 3144#endif
ffd843bc 3145
7c9d8e07
FB		 3146/* find or alloc a new VLAN */
3147VLANState *qemu_find_vlan(int id)
c20709aa 3148{
7c9d8e07
FB		 3149 VLANState **pvlan, *vlan;
3150 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
3151 if (vlan->id == id)
3152 return vlan;
3153 }
3154 vlan = qemu_mallocz(sizeof(VLANState));
3155 if (!vlan)
3156 return NULL;
3157 vlan->id = id;
3158 vlan->next = NULL;
3159 pvlan = &first_vlan;
3160 while (*pvlan != NULL)
3161 pvlan = &(*pvlan)->next;
3162 *pvlan = vlan;
3163 return vlan;
c20709aa
FB		 3164}
3165
7c9d8e07 3166VLANClientState *qemu_new_vlan_client(VLANState *vlan,
d861b05e
PB		 3167 IOReadHandler *fd_read,
3168 IOCanRWHandler *fd_can_read,
3169 void *opaque)
c20709aa 3170{
7c9d8e07
FB		 3171 VLANClientState *vc, **pvc;
3172 vc = qemu_mallocz(sizeof(VLANClientState));
3173 if (!vc)
3174 return NULL;
3175 vc->fd_read = fd_read;
d861b05e 3176 vc->fd_can_read = fd_can_read;
7c9d8e07
FB		 3177 vc->opaque = opaque;
3178 vc->vlan = vlan;
3179
3180 vc->next = NULL;
3181 pvc = &vlan->first_client;
3182 while (*pvc != NULL)
3183 pvc = &(*pvc)->next;
3184 *pvc = vc;
3185 return vc;
c20709aa
FB		 3186}
3187
d861b05e
PB		 3188int qemu_can_send_packet(VLANClientState *vc1)
3189{
3190 VLANState *vlan = vc1->vlan;
3191 VLANClientState *vc;
3192
3193 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
3194 if (vc != vc1) {
3195 if (vc->fd_can_read && !vc->fd_can_read(vc->opaque))
3196 return 0;
3197 }
3198 }
3199 return 1;
3200}
3201
7c9d8e07 3202void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size)
c20709aa 3203{
7c9d8e07
FB		 3204 VLANState *vlan = vc1->vlan;
3205 VLANClientState *vc;
3206
3207#if 0
3208 printf("vlan %d send:\n", vlan->id);
3209 hex_dump(stdout, buf, size);
3210#endif
3211 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
3212 if (vc != vc1) {
3213 vc->fd_read(vc->opaque, buf, size);
3214 }
3215 }
67b915a5
FB		 3216}
3217
c20709aa
FB		 3218#if defined(CONFIG_SLIRP)
3219
3220/* slirp network adapter */
3221
c20709aa 3222static int slirp_inited;
7c9d8e07 3223static VLANClientState *slirp_vc;
c20709aa
FB		 3224
3225int slirp_can_output(void)
3226{
3b7f5d47 3227 return !slirp_vc || qemu_can_send_packet(slirp_vc);
c20709aa
FB		 3228}
3229
3230void slirp_output(const uint8_t *pkt, int pkt_len)
67b915a5 3231{
c20709aa 3232#if 0
7c9d8e07 3233 printf("slirp output:\n");
c20709aa
FB		 3234 hex_dump(stdout, pkt, pkt_len);
3235#endif
3b7f5d47
PB		 3236 if (!slirp_vc)
3237 return;
7c9d8e07 3238 qemu_send_packet(slirp_vc, pkt, pkt_len);
67b915a5
FB		 3239}
3240
7c9d8e07 3241static void slirp_receive(void *opaque, const uint8_t *buf, int size)
c20709aa
FB		 3242{
3243#if 0
7c9d8e07 3244 printf("slirp input:\n");
c20709aa
FB		 3245 hex_dump(stdout, buf, size);
3246#endif
3247 slirp_input(buf, size);
3248}
3249
7c9d8e07 3250static int net_slirp_init(VLANState *vlan)
c20709aa
FB		 3251{
3252 if (!slirp_inited) {
3253 slirp_inited = 1;
3254 slirp_init();
3255 }
7c9d8e07 3256 slirp_vc = qemu_new_vlan_client(vlan,
d861b05e 3257 slirp_receive, NULL, NULL);
7c9d8e07 3258 snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
9bf05444
FB		 3259 return 0;
3260}
3261
3262static void net_slirp_redir(const char *redir_str)
3263{
3264 int is_udp;
3265 char buf[256], *r;
3266 const char *p;
3267 struct in_addr guest_addr;
3268 int host_port, guest_port;
3269
3270 if (!slirp_inited) {
3271 slirp_inited = 1;
3272 slirp_init();
3273 }
3274
3275 p = redir_str;
3276 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3277 goto fail;
3278 if (!strcmp(buf, "tcp")) {
3279 is_udp = 0;
3280 } else if (!strcmp(buf, "udp")) {
3281 is_udp = 1;
3282 } else {
3283 goto fail;
3284 }
3285
3286 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3287 goto fail;
3288 host_port = strtol(buf, &r, 0);
3289 if (r == buf)
3290 goto fail;
3291
3292 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3293 goto fail;
3294 if (buf[0] == '\0') {
3295 pstrcpy(buf, sizeof(buf), "10.0.2.15");
3296 }
3297 if (!inet_aton(buf, &guest_addr))
3298 goto fail;
3299
3300 guest_port = strtol(p, &r, 0);
3301 if (r == p)
3302 goto fail;
3303
3304 if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
3305 fprintf(stderr, "qemu: could not set up redirection\n");
3306 exit(1);
3307 }
3308 return;
3309 fail:
3310 fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
3311 exit(1);
3312}
9d728e8c 3313
c94c8d64
FB		 3314#ifndef _WIN32
3315
9d728e8c
FB		 3316char smb_dir[1024];
3317
3318static void smb_exit(void)
3319{
3320 DIR *d;
3321 struct dirent *de;
3322 char filename[1024];
3323
3324 /* erase all the files in the directory */
3325 d = opendir(smb_dir);
3326 for(;;) {
3327 de = readdir(d);
3328 if (!de)
3329 break;
3330 if (strcmp(de->d_name, ".") != 0 &&
3331 strcmp(de->d_name, "..") != 0) {
3332 snprintf(filename, sizeof(filename), "%s/%s",
3333 smb_dir, de->d_name);
3334 unlink(filename);
3335 }
3336 }
03ffbb69 3337 closedir(d);
9d728e8c
FB		 3338 rmdir(smb_dir);
3339}
3340
3341/* automatic user mode samba server configuration */
3342void net_slirp_smb(const char *exported_dir)
3343{
3344 char smb_conf[1024];
3345 char smb_cmdline[1024];
3346 FILE *f;
3347
3348 if (!slirp_inited) {
3349 slirp_inited = 1;
3350 slirp_init();
3351 }
3352
3353 /* XXX: better tmp dir construction */
3354 snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
3355 if (mkdir(smb_dir, 0700) < 0) {
3356 fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
3357 exit(1);
3358 }
3359 snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
3360
3361 f = fopen(smb_conf, "w");
3362 if (!f) {
3363 fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
3364 exit(1);
3365 }
3366 fprintf(f,
3367 "[global]\n"
157777ef
FB		 3368 "private dir=%s\n"
3369 "smb ports=0\n"
3370 "socket address=127.0.0.1\n"
9d728e8c
FB		 3371 "pid directory=%s\n"
3372 "lock directory=%s\n"
3373 "log file=%s/log.smbd\n"
3374 "smb passwd file=%s/smbpasswd\n"
03ffbb69 3375 "security = share\n"
9d728e8c
FB		 3376 "[qemu]\n"
3377 "path=%s\n"
3378 "read only=no\n"
3379 "guest ok=yes\n",
3380 smb_dir,
157777ef 3381 smb_dir,
9d728e8c
FB		 3382 smb_dir,
3383 smb_dir,
3384 smb_dir,
3385 exported_dir
3386 );
3387 fclose(f);
3388 atexit(smb_exit);
3389
a14d6c8c
PB		 3390 snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s",
3391 SMBD_COMMAND, smb_conf);
9d728e8c
FB		 3392
3393 slirp_add_exec(0, smb_cmdline, 4, 139);
3394}
9bf05444 3395
c94c8d64
FB		 3396#endif /* !defined(_WIN32) */
3397
c20709aa
FB		 3398#endif /* CONFIG_SLIRP */
3399
3400#if !defined(_WIN32)
7c9d8e07
FB		 3401
3402typedef struct TAPState {
3403 VLANClientState *vc;
3404 int fd;
3405} TAPState;
3406
3407static void tap_receive(void *opaque, const uint8_t *buf, int size)
3408{
3409 TAPState *s = opaque;
3410 int ret;
3411 for(;;) {
3412 ret = write(s->fd, buf, size);
3413 if (ret < 0 && (errno == EINTR || errno == EAGAIN)) {
3414 } else {
3415 break;
3416 }
3417 }
3418}
3419
3420static void tap_send(void *opaque)
3421{
3422 TAPState *s = opaque;
3423 uint8_t buf[4096];
3424 int size;
3425
d5d10bc3
TS		 3426#ifdef __sun__
3427 struct strbuf sbuf;
3428 int f = 0;
3429 sbuf.maxlen = sizeof(buf);
3430 sbuf.buf = buf;
3431 size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1;
3432#else
7c9d8e07 3433 size = read(s->fd, buf, sizeof(buf));
d5d10bc3 3434#endif
7c9d8e07
FB		 3435 if (size > 0) {
3436 qemu_send_packet(s->vc, buf, size);
3437 }
3438}
3439
3440/* fd support */
3441
3442static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
3443{
3444 TAPState *s;
3445
3446 s = qemu_mallocz(sizeof(TAPState));
3447 if (!s)
3448 return NULL;
3449 s->fd = fd;
d861b05e 3450 s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
7c9d8e07
FB		 3451 qemu_set_fd_handler(s->fd, tap_send, NULL, s);
3452 snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
3453 return s;
3454}
3455
5c40d2bd 3456#if defined (_BSD) || defined (__FreeBSD_kernel__)
7c9d8e07 3457static int tap_open(char *ifname, int ifname_size)
7d3505c5
FB		 3458{
3459 int fd;
3460 char *dev;
3461 struct stat s;
67b915a5 3462
7d3505c5
FB		 3463 fd = open("/dev/tap", O_RDWR);
3464 if (fd < 0) {
3465 fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
3466 return -1;
3467 }
3468
3469 fstat(fd, &s);
3470 dev = devname(s.st_rdev, S_IFCHR);
3471 pstrcpy(ifname, ifname_size, dev);
3472
3473 fcntl(fd, F_SETFL, O_NONBLOCK);
3474 return fd;
3475}
ec530c81 3476#elif defined(__sun__)
d5d10bc3
TS		 3477#define TUNNEWPPA (('T'<<16) | 0x0001)
3478/*
3479 * Allocate TAP device, returns opened fd.
3480 * Stores dev name in the first arg(must be large enough).
3481 */
3482int tap_alloc(char *dev)
3483{
3484 int tap_fd, if_fd, ppa = -1;
3485 static int ip_fd = 0;
3486 char *ptr;
3487
3488 static int arp_fd = 0;
3489 int ip_muxid, arp_muxid;
3490 struct strioctl strioc_if, strioc_ppa;
3491 int link_type = I_PLINK;;
3492 struct lifreq ifr;
3493 char actual_name[32] = "";
3494
3495 memset(&ifr, 0x0, sizeof(ifr));
3496
3497 if( *dev ){
3498 ptr = dev;
3499 while( *ptr && !isdigit((int)*ptr) ) ptr++;
3500 ppa = atoi(ptr);
3501 }
3502
3503 /* Check if IP device was opened */
3504 if( ip_fd )
3505 close(ip_fd);
3506
3507 if( (ip_fd = open("/dev/udp", O_RDWR, 0)) < 0){
3508 syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
3509 return -1;
3510 }
3511
3512 if( (tap_fd = open("/dev/tap", O_RDWR, 0)) < 0){
3513 syslog(LOG_ERR, "Can't open /dev/tap");
3514 return -1;
3515 }
3516
3517 /* Assign a new PPA and get its unit number. */
3518 strioc_ppa.ic_cmd = TUNNEWPPA;
3519 strioc_ppa.ic_timout = 0;
3520 strioc_ppa.ic_len = sizeof(ppa);
3521 strioc_ppa.ic_dp = (char *)&ppa;
3522 if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0)
3523 syslog (LOG_ERR, "Can't assign new interface");
3524
3525 if( (if_fd = open("/dev/tap", O_RDWR, 0)) < 0){
3526 syslog(LOG_ERR, "Can't open /dev/tap (2)");
3527 return -1;
3528 }
3529 if(ioctl(if_fd, I_PUSH, "ip") < 0){
3530 syslog(LOG_ERR, "Can't push IP module");
3531 return -1;
3532 }
3533
3534 if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0)
3535 syslog(LOG_ERR, "Can't get flags\n");
3536
3537 snprintf (actual_name, 32, "tap%d", ppa);
3538 strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
3539
3540 ifr.lifr_ppa = ppa;
3541 /* Assign ppa according to the unit number returned by tun device */
3542
3543 if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0)
3544 syslog (LOG_ERR, "Can't set PPA %d", ppa);
3545 if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0)
3546 syslog (LOG_ERR, "Can't get flags\n");
3547 /* Push arp module to if_fd */
3548 if (ioctl (if_fd, I_PUSH, "arp") < 0)
3549 syslog (LOG_ERR, "Can't push ARP module (2)");
3550
3551 /* Push arp module to ip_fd */
3552 if (ioctl (ip_fd, I_POP, NULL) < 0)
3553 syslog (LOG_ERR, "I_POP failed\n");
3554 if (ioctl (ip_fd, I_PUSH, "arp") < 0)
3555 syslog (LOG_ERR, "Can't push ARP module (3)\n");
3556 /* Open arp_fd */
3557 if ((arp_fd = open ("/dev/tap", O_RDWR, 0)) < 0)
3558 syslog (LOG_ERR, "Can't open %s\n", "/dev/tap");
3559
3560 /* Set ifname to arp */
3561 strioc_if.ic_cmd = SIOCSLIFNAME;
3562 strioc_if.ic_timout = 0;
3563 strioc_if.ic_len = sizeof(ifr);
3564 strioc_if.ic_dp = (char *)&ifr;
3565 if (ioctl(arp_fd, I_STR, &strioc_if) < 0){
3566 syslog (LOG_ERR, "Can't set ifname to arp\n");
3567 }
3568
3569 if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){
3570 syslog(LOG_ERR, "Can't link TAP device to IP");
3571 return -1;
3572 }
3573
3574 if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0)
3575 syslog (LOG_ERR, "Can't link TAP device to ARP");
3576
3577 close (if_fd);
3578
3579 memset(&ifr, 0x0, sizeof(ifr));
3580 strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
3581 ifr.lifr_ip_muxid = ip_muxid;
3582 ifr.lifr_arp_muxid = arp_muxid;
3583
3584 if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0)
3585 {
3586 ioctl (ip_fd, I_PUNLINK , arp_muxid);
3587 ioctl (ip_fd, I_PUNLINK, ip_muxid);
3588 syslog (LOG_ERR, "Can't set multiplexor id");
3589 }
3590
3591 sprintf(dev, "tap%d", ppa);
3592 return tap_fd;
3593}
3594
ec530c81
FB		 3595static int tap_open(char *ifname, int ifname_size)
3596{
d5d10bc3
TS		 3597 char dev[10]="";
3598 int fd;
3599 if( (fd = tap_alloc(dev)) < 0 ){
3600 fprintf(stderr, "Cannot allocate TAP device\n");
3601 return -1;
3602 }
3603 pstrcpy(ifname, ifname_size, dev);
3604 fcntl(fd, F_SETFL, O_NONBLOCK);
3605 return fd;
ec530c81 3606}
7d3505c5 3607#else
7c9d8e07 3608static int tap_open(char *ifname, int ifname_size)
330d0414 3609{
80cabfad 3610 struct ifreq ifr;
c4b1fcc0 3611 int fd, ret;
80cabfad
FB		 3612
3613 fd = open("/dev/net/tun", O_RDWR);
3614 if (fd < 0) {
3615 fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
3616 return -1;
330d0414 3617 }
80cabfad
FB		 3618 memset(&ifr, 0, sizeof(ifr));
3619 ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
7c9d8e07
FB		 3620 if (ifname[0] != '\0')
3621 pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
3622 else
3623 pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
80cabfad
FB		 3624 ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
3625 if (ret != 0) {
3626 fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
3627 close(fd);
3628 return -1;
3629 }
c4b1fcc0 3630 pstrcpy(ifname, ifname_size, ifr.ifr_name);
80cabfad 3631 fcntl(fd, F_SETFL, O_NONBLOCK);
c4b1fcc0
FB		 3632 return fd;
3633}
7d3505c5 3634#endif
330d0414 3635
7c9d8e07
FB		 3636static int net_tap_init(VLANState *vlan, const char *ifname1,
3637 const char *setup_script)
3638{
3639 TAPState *s;
3640 int pid, status, fd;
3641 char *args[3];
3642 char **parg;
3643 char ifname[128];
3644
3645 if (ifname1 != NULL)
3646 pstrcpy(ifname, sizeof(ifname), ifname1);
3647 else
3648 ifname[0] = '\0';
3649 fd = tap_open(ifname, sizeof(ifname));
3650 if (fd < 0)
3651 return -1;
3652
6a1cbf68 3653 if (!setup_script || !strcmp(setup_script, "no"))
7c9d8e07
FB		 3654 setup_script = "";
3655 if (setup_script[0] != '\0') {
3656 /* try to launch network init script */
3657 pid = fork();
3658 if (pid >= 0) {
3659 if (pid == 0) {
50d3eeae
TS		 3660 int open_max = sysconf (_SC_OPEN_MAX), i;
3661 for (i = 0; i < open_max; i++)
3662 if (i != STDIN_FILENO &&
3663 i != STDOUT_FILENO &&
3664 i != STDERR_FILENO &&
3665 i != fd)
3666 close(i);
3667
7c9d8e07
FB		 3668 parg = args;
3669 *parg++ = (char *)setup_script;
3670 *parg++ = ifname;
3671 *parg++ = NULL;
3672 execv(setup_script, args);
4a38940d 3673 _exit(1);
7c9d8e07
FB		 3674 }
3675 while (waitpid(pid, &status, 0) != pid);
3676 if (!WIFEXITED(status) ||
3677 WEXITSTATUS(status) != 0) {
3678 fprintf(stderr, "%s: could not launch network script\n",
3679 setup_script);
3680 return -1;
3681 }
3682 }
3683 }
3684 s = net_tap_fd_init(vlan, fd);
3685 if (!s)
3686 return -1;
3687 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3688 "tap: ifname=%s setup_script=%s", ifname, setup_script);
3689 return 0;
3690}
3691
fd1dff4b
FB		 3692#endif /* !_WIN32 */
3693
7c9d8e07
FB		 3694/* network connection */
3695typedef struct NetSocketState {
3696 VLANClientState *vc;
3697 int fd;
3698 int state; /* 0 = getting length, 1 = getting data */
3699 int index;
3700 int packet_len;
3701 uint8_t buf[4096];
3d830459 3702 struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
7c9d8e07
FB		 3703} NetSocketState;
3704
3705typedef struct NetSocketListenState {
3706 VLANState *vlan;
3707 int fd;
3708} NetSocketListenState;
3709
3710/* XXX: we consider we can send the whole packet without blocking */
3711static void net_socket_receive(void *opaque, const uint8_t *buf, int size)
c20709aa 3712{
7c9d8e07
FB		 3713 NetSocketState *s = opaque;
3714 uint32_t len;
3715 len = htonl(size);
3716
fd1dff4b
FB		 3717 send_all(s->fd, (const uint8_t *)&len, sizeof(len));
3718 send_all(s->fd, buf, size);
c20709aa
FB		 3719}
3720
3d830459
FB		 3721static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size)
3722{
3723 NetSocketState *s = opaque;
3724 sendto(s->fd, buf, size, 0,
3725 (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst));
3726}
3727
7c9d8e07 3728static void net_socket_send(void *opaque)
c4b1fcc0 3729{
7c9d8e07 3730 NetSocketState *s = opaque;
fd1dff4b 3731 int l, size, err;
7c9d8e07
FB		 3732 uint8_t buf1[4096];
3733 const uint8_t *buf;
3734
fd1dff4b
FB		 3735 size = recv(s->fd, buf1, sizeof(buf1), 0);
3736 if (size < 0) {
3737 err = socket_error();
3738 if (err != EWOULDBLOCK)
3739 goto eoc;
3740 } else if (size == 0) {
7c9d8e07 3741 /* end of connection */
fd1dff4b 3742 eoc:
7c9d8e07 3743 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
fd1dff4b 3744 closesocket(s->fd);
7c9d8e07
FB		 3745 return;
3746 }
3747 buf = buf1;
3748 while (size > 0) {
3749 /* reassemble a packet from the network */
3750 switch(s->state) {
3751 case 0:
3752 l = 4 - s->index;
3753 if (l > size)
3754 l = size;
3755 memcpy(s->buf + s->index, buf, l);
3756 buf += l;
3757 size -= l;
3758 s->index += l;
3759 if (s->index == 4) {
3760 /* got length */
3761 s->packet_len = ntohl(*(uint32_t *)s->buf);
3762 s->index = 0;
3763 s->state = 1;
3764 }
3765 break;
3766 case 1:
3767 l = s->packet_len - s->index;
3768 if (l > size)
3769 l = size;
3770 memcpy(s->buf + s->index, buf, l);
3771 s->index += l;
3772 buf += l;
3773 size -= l;
3774 if (s->index >= s->packet_len) {
3775 qemu_send_packet(s->vc, s->buf, s->packet_len);
3776 s->index = 0;
3777 s->state = 0;
3778 }
3779 break;
3780 }
3781 }
c20709aa
FB		 3782}
3783
3d830459
FB		 3784static void net_socket_send_dgram(void *opaque)
3785{
3786 NetSocketState *s = opaque;
3787 int size;
3788
3789 size = recv(s->fd, s->buf, sizeof(s->buf), 0);
3790 if (size < 0)
3791 return;
3792 if (size == 0) {
3793 /* end of connection */
3794 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
3795 return;
3796 }
3797 qemu_send_packet(s->vc, s->buf, size);
3798}
3799
3800static int net_socket_mcast_create(struct sockaddr_in *mcastaddr)
3801{
3802 struct ip_mreq imr;
3803 int fd;
3804 int val, ret;
3805 if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
3806 fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
fd1dff4b
FB		 3807 inet_ntoa(mcastaddr->sin_addr),
3808 (int)ntohl(mcastaddr->sin_addr.s_addr));
3d830459
FB		 3809 return -1;
3810
3811 }
3812 fd = socket(PF_INET, SOCK_DGRAM, 0);
3813 if (fd < 0) {
3814 perror("socket(PF_INET, SOCK_DGRAM)");
3815 return -1;
3816 }
3817
fd1dff4b
FB		 3818 val = 1;
3819 ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
3820 (const char *)&val, sizeof(val));
3821 if (ret < 0) {
3822 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
3823 goto fail;
3824 }
3825
3826 ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
3827 if (ret < 0) {
3828 perror("bind");
3829 goto fail;
3830 }
3831
3d830459
FB		 3832 /* Add host to multicast group */
3833 imr.imr_multiaddr = mcastaddr->sin_addr;
3834 imr.imr_interface.s_addr = htonl(INADDR_ANY);
3835
fd1dff4b
FB		 3836 ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
3837 (const char *)&imr, sizeof(struct ip_mreq));
3d830459
FB		 3838 if (ret < 0) {
3839 perror("setsockopt(IP_ADD_MEMBERSHIP)");
3840 goto fail;
3841 }
3842
3843 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
3844 val = 1;
fd1dff4b
FB		 3845 ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
3846 (const char *)&val, sizeof(val));
3d830459
FB		 3847 if (ret < 0) {
3848 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
3849 goto fail;
3850 }
3851
fd1dff4b 3852 socket_set_nonblock(fd);
3d830459
FB		 3853 return fd;
3854fail:
0bab00f3
FB		 3855 if (fd >= 0)
3856 closesocket(fd);
3d830459
FB		 3857 return -1;
3858}
3859
3860static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd,
3861 int is_connected)
3862{
3863 struct sockaddr_in saddr;
3864 int newfd;
3865 socklen_t saddr_len;
3866 NetSocketState *s;
3867
3868 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
3869 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
3870 * by ONLY ONE process: we must "clone" this dgram socket --jjo
3871 */
3872
3873 if (is_connected) {
3874 if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
3875 /* must be bound */
3876 if (saddr.sin_addr.s_addr==0) {
3877 fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
3878 fd);
3879 return NULL;
3880 }
3881 /* clone dgram socket */
3882 newfd = net_socket_mcast_create(&saddr);
3883 if (newfd < 0) {
3884 /* error already reported by net_socket_mcast_create() */
3885 close(fd);
3886 return NULL;
3887 }
3888 /* clone newfd to fd, close newfd */
3889 dup2(newfd, fd);
3890 close(newfd);
3891
3892 } else {
3893 fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
3894 fd, strerror(errno));
3895 return NULL;
3896 }
3897 }
3898
3899 s = qemu_mallocz(sizeof(NetSocketState));
3900 if (!s)
3901 return NULL;
3902 s->fd = fd;
3903
d861b05e 3904 s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
3d830459
FB		 3905 qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
3906
3907 /* mcast: save bound address as dst */
3908 if (is_connected) s->dgram_dst=saddr;
3909
3910 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3911 "socket: fd=%d (%s mcast=%s:%d)",
3912 fd, is_connected? "cloned" : "",
3913 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3914 return s;
3915}
3916
7c9d8e07 3917static void net_socket_connect(void *opaque)
c20709aa 3918{
7c9d8e07
FB		 3919 NetSocketState *s = opaque;
3920 qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
3921}
c4b1fcc0 3922
3d830459 3923static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd,
7c9d8e07
FB		 3924 int is_connected)
3925{
3926 NetSocketState *s;
3927 s = qemu_mallocz(sizeof(NetSocketState));
3928 if (!s)
3929 return NULL;
3930 s->fd = fd;
3931 s->vc = qemu_new_vlan_client(vlan,
d861b05e 3932 net_socket_receive, NULL, s);
7c9d8e07
FB		 3933 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3934 "socket: fd=%d", fd);
3935 if (is_connected) {
3936 net_socket_connect(s);
3937 } else {
3938 qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
3939 }
3940 return s;
3941}
c4b1fcc0 3942
3d830459
FB		 3943static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
3944 int is_connected)
3945{
3946 int so_type=-1, optlen=sizeof(so_type);
3947
fd1dff4b 3948 if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) {
931f03ee 3949 fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd);
3d830459
FB		 3950 return NULL;
3951 }
3952 switch(so_type) {
3953 case SOCK_DGRAM:
3954 return net_socket_fd_init_dgram(vlan, fd, is_connected);
3955 case SOCK_STREAM:
3956 return net_socket_fd_init_stream(vlan, fd, is_connected);
3957 default:
3958 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
3959 fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
3960 return net_socket_fd_init_stream(vlan, fd, is_connected);
3961 }
3962 return NULL;
3963}
3964
7c9d8e07
FB		 3965static void net_socket_accept(void *opaque)
3966{
3967 NetSocketListenState *s = opaque;
3968 NetSocketState *s1;
3969 struct sockaddr_in saddr;
3970 socklen_t len;
3971 int fd;
3972
3973 for(;;) {
3974 len = sizeof(saddr);
3975 fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
3976 if (fd < 0 && errno != EINTR) {
3977 return;
3978 } else if (fd >= 0) {
3979 break;
80cabfad 3980 }
330d0414 3981 }
7c9d8e07
FB		 3982 s1 = net_socket_fd_init(s->vlan, fd, 1);
3983 if (!s1) {
0bab00f3 3984 closesocket(fd);
7c9d8e07
FB		 3985 } else {
3986 snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
3987 "socket: connection from %s:%d",
3988 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3989 }
3990}
3991
3992static int net_socket_listen_init(VLANState *vlan, const char *host_str)
3993{
3994 NetSocketListenState *s;
3995 int fd, val, ret;
3996 struct sockaddr_in saddr;
3997
3998 if (parse_host_port(&saddr, host_str) < 0)
3999 return -1;
4000
4001 s = qemu_mallocz(sizeof(NetSocketListenState));
4002 if (!s)
4003 return -1;
4004
4005 fd = socket(PF_INET, SOCK_STREAM, 0);
4006 if (fd < 0) {
4007 perror("socket");
4008 return -1;
4009 }
fd1dff4b 4010 socket_set_nonblock(fd);
7c9d8e07
FB		 4011
4012 /* allow fast reuse */
4013 val = 1;
fd1dff4b 4014 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
7c9d8e07
FB		 4015
4016 ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
4017 if (ret < 0) {
4018 perror("bind");
4019 return -1;
4020 }
4021 ret = listen(fd, 0);
4022 if (ret < 0) {
4023 perror("listen");
4024 return -1;
4025 }
4026 s->vlan = vlan;
4027 s->fd = fd;
4028 qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
80cabfad 4029 return 0;
330d0414
FB		 4030}
4031
7c9d8e07 4032static int net_socket_connect_init(VLANState *vlan, const char *host_str)
330d0414 4033{
7c9d8e07 4034 NetSocketState *s;
fd1dff4b 4035 int fd, connected, ret, err;
7c9d8e07
FB		 4036 struct sockaddr_in saddr;
4037
4038 if (parse_host_port(&saddr, host_str) < 0)
4039 return -1;
4040
4041 fd = socket(PF_INET, SOCK_STREAM, 0);
4042 if (fd < 0) {
4043 perror("socket");
4044 return -1;
4045 }
fd1dff4b 4046 socket_set_nonblock(fd);
7c9d8e07
FB		 4047
4048 connected = 0;
4049 for(;;) {
4050 ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
4051 if (ret < 0) {
fd1dff4b
FB		 4052 err = socket_error();
4053 if (err == EINTR || err == EWOULDBLOCK) {
4054 } else if (err == EINPROGRESS) {
7c9d8e07 4055 break;
f5b12268
TS		 4056#ifdef _WIN32
4057 } else if (err == WSAEALREADY) {
4058 break;
4059#endif
7c9d8e07
FB		 4060 } else {
4061 perror("connect");
fd1dff4b 4062 closesocket(fd);
7c9d8e07
FB		 4063 return -1;
4064 }
4065 } else {
4066 connected = 1;
4067 break;
4068 }
4069 }
4070 s = net_socket_fd_init(vlan, fd, connected);
4071 if (!s)
4072 return -1;
4073 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4074 "socket: connect to %s:%d",
4075 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
c20709aa 4076 return 0;
80cabfad 4077}
330d0414 4078
3d830459
FB		 4079static int net_socket_mcast_init(VLANState *vlan, const char *host_str)
4080{
4081 NetSocketState *s;
4082 int fd;
4083 struct sockaddr_in saddr;
4084
4085 if (parse_host_port(&saddr, host_str) < 0)
4086 return -1;
4087
4088
4089 fd = net_socket_mcast_create(&saddr);
4090 if (fd < 0)
4091 return -1;
4092
4093 s = net_socket_fd_init(vlan, fd, 0);
4094 if (!s)
4095 return -1;
4096
4097 s->dgram_dst = saddr;
4098
4099 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4100 "socket: mcast=%s:%d",
4101 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4102 return 0;
4103
4104}
4105
7c9d8e07
FB		 4106static int get_param_value(char *buf, int buf_size,
4107 const char *tag, const char *str)
4108{
4109 const char *p;
4110 char *q;
4111 char option[128];
4112
4113 p = str;
4114 for(;;) {
4115 q = option;
4116 while (*p != '\0' && *p != '=') {
4117 if ((q - option) < sizeof(option) - 1)
4118 *q++ = *p;
4119 p++;
4120 }
4121 *q = '\0';
4122 if (*p != '=')
4123 break;
4124 p++;
4125 if (!strcmp(tag, option)) {
4126 q = buf;
4127 while (*p != '\0' && *p != ',') {
4128 if ((q - buf) < buf_size - 1)
4129 *q++ = *p;
4130 p++;
4131 }
4132 *q = '\0';
4133 return q - buf;
4134 } else {
4135 while (*p != '\0' && *p != ',') {
4136 p++;
4137 }
4138 }
4139 if (*p != ',')
4140 break;
4141 p++;
4142 }
4143 return 0;
4144}
4145
52f61fde 4146static int net_client_init(const char *str)
7c9d8e07
FB		 4147{
4148 const char *p;
4149 char *q;
4150 char device[64];
4151 char buf[1024];
4152 int vlan_id, ret;
4153 VLANState *vlan;
4154
4155 p = str;
4156 q = device;
4157 while (*p != '\0' && *p != ',') {
4158 if ((q - device) < sizeof(device) - 1)
4159 *q++ = *p;
4160 p++;
4161 }
4162 *q = '\0';
4163 if (*p == ',')
4164 p++;
4165 vlan_id = 0;
4166 if (get_param_value(buf, sizeof(buf), "vlan", p)) {
4167 vlan_id = strtol(buf, NULL, 0);
4168 }
4169 vlan = qemu_find_vlan(vlan_id);
4170 if (!vlan) {
4171 fprintf(stderr, "Could not create vlan %d\n", vlan_id);
4172 return -1;
4173 }
4174 if (!strcmp(device, "nic")) {
4175 NICInfo *nd;
4176 uint8_t *macaddr;
4177
4178 if (nb_nics >= MAX_NICS) {
4179 fprintf(stderr, "Too Many NICs\n");
4180 return -1;
4181 }
4182 nd = &nd_table[nb_nics];
4183 macaddr = nd->macaddr;
4184 macaddr[0] = 0x52;
4185 macaddr[1] = 0x54;
4186 macaddr[2] = 0x00;
4187 macaddr[3] = 0x12;
4188 macaddr[4] = 0x34;
4189 macaddr[5] = 0x56 + nb_nics;
4190
4191 if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
4192 if (parse_macaddr(macaddr, buf) < 0) {
4193 fprintf(stderr, "invalid syntax for ethernet address\n");
4194 return -1;
4195 }
4196 }
a41b2ff2
PB		 4197 if (get_param_value(buf, sizeof(buf), "model", p)) {
4198 nd->model = strdup(buf);
4199 }
7c9d8e07
FB		 4200 nd->vlan = vlan;
4201 nb_nics++;
833c7174 4202 vlan->nb_guest_devs++;
7c9d8e07
FB		 4203 ret = 0;
4204 } else
4205 if (!strcmp(device, "none")) {
4206 /* does nothing. It is needed to signal that no network cards
4207 are wanted */
4208 ret = 0;
4209 } else
4210#ifdef CONFIG_SLIRP
4211 if (!strcmp(device, "user")) {
115defd1 4212 if (get_param_value(buf, sizeof(buf), "hostname", p)) {
3f423c9c 4213 pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
115defd1 4214 }
833c7174 4215 vlan->nb_host_devs++;
7c9d8e07
FB		 4216 ret = net_slirp_init(vlan);
4217 } else
4218#endif
7fb843f8
FB		 4219#ifdef _WIN32
4220 if (!strcmp(device, "tap")) {
4221 char ifname[64];
4222 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
4223 fprintf(stderr, "tap: no interface name\n");
4224 return -1;
4225 }
833c7174 4226 vlan->nb_host_devs++;
7fb843f8
FB		 4227 ret = tap_win32_init(vlan, ifname);
4228 } else
4229#else
7c9d8e07
FB		 4230 if (!strcmp(device, "tap")) {
4231 char ifname[64];
4232 char setup_script[1024];
4233 int fd;
4f01035f 4234 vlan->nb_host_devs++;
7c9d8e07
FB		 4235 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
4236 fd = strtol(buf, NULL, 0);
4237 ret = -1;
4238 if (net_tap_fd_init(vlan, fd))
4239 ret = 0;
4240 } else {
bf8c5342
FB		 4241 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
4242 ifname[0] = '\0';
4243 }
7c9d8e07
FB		 4244 if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
4245 pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
4246 }
4247 ret = net_tap_init(vlan, ifname, setup_script);
4248 }
4249 } else
fd1dff4b 4250#endif
7c9d8e07
FB		 4251 if (!strcmp(device, "socket")) {
4252 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
4253 int fd;
4254 fd = strtol(buf, NULL, 0);
4255 ret = -1;
4256 if (net_socket_fd_init(vlan, fd, 1))
4257 ret = 0;
4258 } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
4259 ret = net_socket_listen_init(vlan, buf);
4260 } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
4261 ret = net_socket_connect_init(vlan, buf);
3d830459
FB		 4262 } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
4263 ret = net_socket_mcast_init(vlan, buf);
7c9d8e07
FB		 4264 } else {
4265 fprintf(stderr, "Unknown socket options: %s\n", p);
4266 return -1;
4267 }
833c7174 4268 vlan->nb_host_devs++;
7c9d8e07 4269 } else
7c9d8e07
FB		 4270 {
4271 fprintf(stderr, "Unknown network device: %s\n", device);
4272 return -1;
4273 }
4274 if (ret < 0) {
4275 fprintf(stderr, "Could not initialize device '%s'\n", device);
4276 }
4277
4278 return ret;
4279}
4280
4281void do_info_network(void)
4282{
4283 VLANState *vlan;
4284 VLANClientState *vc;
4285
4286 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
4287 term_printf("VLAN %d devices:\n", vlan->id);
4288 for(vc = vlan->first_client; vc != NULL; vc = vc->next)
4289 term_printf(" %s\n", vc->info_str);
4290 }
4291}
42550fde 4292
a594cfbf
FB		 4293/***********************************************************/
4294/* USB devices */
4295
0d92ed30
PB		 4296static USBPort *used_usb_ports;
4297static USBPort *free_usb_ports;
4298
4299/* ??? Maybe change this to register a hub to keep track of the topology. */
4300void qemu_register_usb_port(USBPort *port, void *opaque, int index,
4301 usb_attachfn attach)
4302{
4303 port->opaque = opaque;
4304 port->index = index;
4305 port->attach = attach;
4306 port->next = free_usb_ports;
4307 free_usb_ports = port;
4308}
4309
a594cfbf
FB		 4310static int usb_device_add(const char *devname)
4311{
4312 const char *p;
4313 USBDevice *dev;
0d92ed30 4314 USBPort *port;
a594cfbf 4315
0d92ed30 4316 if (!free_usb_ports)
a594cfbf
FB		 4317 return -1;
4318
4319 if (strstart(devname, "host:", &p)) {
4320 dev = usb_host_device_open(p);
a594cfbf
FB		 4321 } else if (!strcmp(devname, "mouse")) {
4322 dev = usb_mouse_init();
09b26c5e 4323 } else if (!strcmp(devname, "tablet")) {
47b2d338
AZ		 4324 dev = usb_tablet_init();
4325 } else if (!strcmp(devname, "keyboard")) {
4326 dev = usb_keyboard_init();
2e5d83bb
PB		 4327 } else if (strstart(devname, "disk:", &p)) {
4328 dev = usb_msd_init(p);
f6d2a316
AZ		 4329 } else if (!strcmp(devname, "wacom-tablet")) {
4330 dev = usb_wacom_init();
a594cfbf
FB		 4331 } else {
4332 return -1;
4333 }
0d92ed30
PB		 4334 if (!dev)
4335 return -1;
4336
4337 /* Find a USB port to add the device to. */
4338 port = free_usb_ports;
4339 if (!port->next) {
4340 USBDevice *hub;
4341
4342 /* Create a new hub and chain it on. */
4343 free_usb_ports = NULL;
4344 port->next = used_usb_ports;
4345 used_usb_ports = port;
4346
4347 hub = usb_hub_init(VM_USB_HUB_SIZE);
4348 usb_attach(port, hub);
4349 port = free_usb_ports;
4350 }
4351
4352 free_usb_ports = port->next;
4353 port->next = used_usb_ports;
4354 used_usb_ports = port;
4355 usb_attach(port, dev);
a594cfbf
FB		 4356 return 0;
4357}
4358
4359static int usb_device_del(const char *devname)
4360{
0d92ed30
PB		 4361 USBPort *port;
4362 USBPort **lastp;
059809e4 4363 USBDevice *dev;
0d92ed30 4364 int bus_num, addr;
a594cfbf
FB		 4365 const char *p;
4366
0d92ed30 4367 if (!used_usb_ports)
a594cfbf
FB		 4368 return -1;
4369
4370 p = strchr(devname, '.');
4371 if (!p)
4372 return -1;
4373 bus_num = strtoul(devname, NULL, 0);
4374 addr = strtoul(p + 1, NULL, 0);
4375 if (bus_num != 0)
4376 return -1;
0d92ed30
PB		 4377
4378 lastp = &used_usb_ports;
4379 port = used_usb_ports;
4380 while (port && port->dev->addr != addr) {
4381 lastp = &port->next;
4382 port = port->next;
a594cfbf 4383 }
0d92ed30
PB		 4384
4385 if (!port)
a594cfbf 4386 return -1;
0d92ed30 4387
059809e4 4388 dev = port->dev;
0d92ed30
PB		 4389 *lastp = port->next;
4390 usb_attach(port, NULL);
059809e4 4391 dev->handle_destroy(dev);
0d92ed30
PB		 4392 port->next = free_usb_ports;
4393 free_usb_ports = port;
a594cfbf
FB		 4394 return 0;
4395}
4396
4397void do_usb_add(const char *devname)
4398{
4399 int ret;
4400 ret = usb_device_add(devname);
4401 if (ret < 0)
4402 term_printf("Could not add USB device '%s'\n", devname);
4403}
4404
4405void do_usb_del(const char *devname)
4406{
4407 int ret;
4408 ret = usb_device_del(devname);
4409 if (ret < 0)
4410 term_printf("Could not remove USB device '%s'\n", devname);
4411}
4412
4413void usb_info(void)
4414{
4415 USBDevice *dev;
0d92ed30 4416 USBPort *port;
a594cfbf
FB		 4417 const char *speed_str;
4418
0d92ed30 4419 if (!usb_enabled) {
a594cfbf
FB		 4420 term_printf("USB support not enabled\n");
4421 return;
4422 }
4423
0d92ed30
PB		 4424 for (port = used_usb_ports; port; port = port->next) {
4425 dev = port->dev;
4426 if (!dev)
4427 continue;
4428 switch(dev->speed) {
4429 case USB_SPEED_LOW:
4430 speed_str = "1.5";
4431 break;
4432 case USB_SPEED_FULL:
4433 speed_str = "12";
4434 break;
4435 case USB_SPEED_HIGH:
4436 speed_str = "480";
4437 break;
4438 default:
4439 speed_str = "?";
4440 break;
a594cfbf 4441 }
1f6e24e7
FB		 4442 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
4443 0, dev->addr, speed_str, dev->devname);
a594cfbf
FB		 4444 }
4445}
4446
201a51fc
AZ		 4447/***********************************************************/
4448/* PCMCIA/Cardbus */
4449
4450static struct pcmcia_socket_entry_s {
4451 struct pcmcia_socket_s *socket;
4452 struct pcmcia_socket_entry_s *next;
4453} *pcmcia_sockets = 0;
4454
4455void pcmcia_socket_register(struct pcmcia_socket_s *socket)
4456{
4457 struct pcmcia_socket_entry_s *entry;
4458
4459 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
4460 entry->socket = socket;
4461 entry->next = pcmcia_sockets;
4462 pcmcia_sockets = entry;
4463}
4464
4465void pcmcia_socket_unregister(struct pcmcia_socket_s *socket)
4466{
4467 struct pcmcia_socket_entry_s *entry, **ptr;
4468
4469 ptr = &pcmcia_sockets;
4470 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
4471 if (entry->socket == socket) {
4472 *ptr = entry->next;
4473 qemu_free(entry);
4474 }
4475}
4476
4477void pcmcia_info(void)
4478{
4479 struct pcmcia_socket_entry_s *iter;
4480 if (!pcmcia_sockets)
4481 term_printf("No PCMCIA sockets\n");
4482
4483 for (iter = pcmcia_sockets; iter; iter = iter->next)
4484 term_printf("%s: %s\n", iter->socket->slot_string,
4485 iter->socket->attached ? iter->socket->card_string :
4486 "Empty");
4487}
4488
2ff89790
TS		 4489/***********************************************************/
4490/* dumb display */
4491
4492static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
4493{
4494}
4495
4496static void dumb_resize(DisplayState *ds, int w, int h)
4497{
4498}
4499
4500static void dumb_refresh(DisplayState *ds)
4501{
4502#if defined(CONFIG_SDL)
4503 vga_hw_update();
4504#endif
4505}
4506
4507static void dumb_display_init(DisplayState *ds)
4508{
4509 ds->data = NULL;
4510 ds->linesize = 0;
4511 ds->depth = 0;
4512 ds->dpy_update = dumb_update;
4513 ds->dpy_resize = dumb_resize;
4514 ds->dpy_refresh = dumb_refresh;
4515}
4516
8a7ddc38
FB		 4517/***********************************************************/
4518/* I/O handling */
0824d6fc 4519
c4b1fcc0
FB		 4520#define MAX_IO_HANDLERS 64
4521
4522typedef struct IOHandlerRecord {
4523 int fd;
7c9d8e07
FB		 4524 IOCanRWHandler *fd_read_poll;
4525 IOHandler *fd_read;
4526 IOHandler *fd_write;
cafffd40 4527 int deleted;
c4b1fcc0
FB		 4528 void *opaque;
4529 /* temporary data */
4530 struct pollfd *ufd;
8a7ddc38 4531 struct IOHandlerRecord *next;
c4b1fcc0
FB		 4532} IOHandlerRecord;
4533
8a7ddc38 4534static IOHandlerRecord *first_io_handler;
c4b1fcc0 4535
7c9d8e07
FB		 4536/* XXX: fd_read_poll should be suppressed, but an API change is
4537 necessary in the character devices to suppress fd_can_read(). */
4538int qemu_set_fd_handler2(int fd,
4539 IOCanRWHandler *fd_read_poll,
4540 IOHandler *fd_read,
4541 IOHandler *fd_write,
4542 void *opaque)
c4b1fcc0 4543{
7c9d8e07 4544 IOHandlerRecord **pioh, *ioh;
c4b1fcc0 4545
7c9d8e07
FB		 4546 if (!fd_read && !fd_write) {
4547 pioh = &first_io_handler;
4548 for(;;) {
4549 ioh = *pioh;
4550 if (ioh == NULL)
4551 break;
4552 if (ioh->fd == fd) {
cafffd40 4553 ioh->deleted = 1;
7c9d8e07
FB		 4554 break;
4555 }
4556 pioh = &ioh->next;
4557 }
4558 } else {
4559 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
4560 if (ioh->fd == fd)
4561 goto found;
4562 }
4563 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
4564 if (!ioh)
4565 return -1;
4566 ioh->next = first_io_handler;
4567 first_io_handler = ioh;
4568 found:
4569 ioh->fd = fd;
4570 ioh->fd_read_poll = fd_read_poll;
4571 ioh->fd_read = fd_read;
4572 ioh->fd_write = fd_write;
4573 ioh->opaque = opaque;
cafffd40 4574 ioh->deleted = 0;
7c9d8e07 4575 }
c4b1fcc0
FB		 4576 return 0;
4577}
4578
7c9d8e07
FB		 4579int qemu_set_fd_handler(int fd,
4580 IOHandler *fd_read,
4581 IOHandler *fd_write,
4582 void *opaque)
8a7ddc38 4583{
7c9d8e07 4584 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
8a7ddc38
FB		 4585}
4586
f331110f
FB		 4587/***********************************************************/
4588/* Polling handling */
4589
4590typedef struct PollingEntry {
4591 PollingFunc *func;
4592 void *opaque;
4593 struct PollingEntry *next;
4594} PollingEntry;
4595
4596static PollingEntry *first_polling_entry;
4597
4598int qemu_add_polling_cb(PollingFunc *func, void *opaque)
4599{
4600 PollingEntry **ppe, *pe;
4601 pe = qemu_mallocz(sizeof(PollingEntry));
4602 if (!pe)
4603 return -1;
4604 pe->func = func;
4605 pe->opaque = opaque;
4606 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
4607 *ppe = pe;
4608 return 0;
4609}
4610
4611void qemu_del_polling_cb(PollingFunc *func, void *opaque)
4612{
4613 PollingEntry **ppe, *pe;
4614 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
4615 pe = *ppe;
4616 if (pe->func == func && pe->opaque == opaque) {
4617 *ppe = pe->next;
4618 qemu_free(pe);
4619 break;
4620 }
4621 }
4622}
4623
a18e524a
FB		 4624#ifdef _WIN32
4625/***********************************************************/
4626/* Wait objects support */
4627typedef struct WaitObjects {
4628 int num;
4629 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
4630 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
4631 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
4632} WaitObjects;
4633
4634static WaitObjects wait_objects = {0};
4635
4636int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
4637{
4638 WaitObjects *w = &wait_objects;
4639
4640 if (w->num >= MAXIMUM_WAIT_OBJECTS)
4641 return -1;
4642 w->events[w->num] = handle;
4643 w->func[w->num] = func;
4644 w->opaque[w->num] = opaque;
4645 w->num++;
4646 return 0;
4647}
4648
4649void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
4650{
4651 int i, found;
4652 WaitObjects *w = &wait_objects;
4653
4654 found = 0;
4655 for (i = 0; i < w->num; i++) {
4656 if (w->events[i] == handle)
4657 found = 1;
4658 if (found) {
4659 w->events[i] = w->events[i + 1];
4660 w->func[i] = w->func[i + 1];
4661 w->opaque[i] = w->opaque[i + 1];
4662 }
4663 }
4664 if (found)
4665 w->num--;
4666}
4667#endif
4668
8a7ddc38
FB		 4669/***********************************************************/
4670/* savevm/loadvm support */
4671
faea38e7
FB		 4672#define IO_BUF_SIZE 32768
4673
4674struct QEMUFile {
4675 FILE *outfile;
4676 BlockDriverState *bs;
4677 int is_file;
4678 int is_writable;
4679 int64_t base_offset;
4680 int64_t buf_offset; /* start of buffer when writing, end of buffer
4681 when reading */
4682 int buf_index;
4683 int buf_size; /* 0 when writing */
4684 uint8_t buf[IO_BUF_SIZE];
4685};
4686
4687QEMUFile *qemu_fopen(const char *filename, const char *mode)
4688{
4689 QEMUFile *f;
4690
4691 f = qemu_mallocz(sizeof(QEMUFile));
4692 if (!f)
4693 return NULL;
4694 if (!strcmp(mode, "wb")) {
4695 f->is_writable = 1;
4696 } else if (!strcmp(mode, "rb")) {
4697 f->is_writable = 0;
4698 } else {
4699 goto fail;
4700 }
4701 f->outfile = fopen(filename, mode);
4702 if (!f->outfile)
4703 goto fail;
4704 f->is_file = 1;
4705 return f;
4706 fail:
4707 if (f->outfile)
4708 fclose(f->outfile);
4709 qemu_free(f);
4710 return NULL;
4711}
4712
4713QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
4714{
4715 QEMUFile *f;
4716
4717 f = qemu_mallocz(sizeof(QEMUFile));
4718 if (!f)
4719 return NULL;
4720 f->is_file = 0;
4721 f->bs = bs;
4722 f->is_writable = is_writable;
4723 f->base_offset = offset;
4724 return f;
4725}
4726
4727void qemu_fflush(QEMUFile *f)
4728{
4729 if (!f->is_writable)
4730 return;
4731 if (f->buf_index > 0) {
4732 if (f->is_file) {
4733 fseek(f->outfile, f->buf_offset, SEEK_SET);
4734 fwrite(f->buf, 1, f->buf_index, f->outfile);
4735 } else {
4736 bdrv_pwrite(f->bs, f->base_offset + f->buf_offset,
4737 f->buf, f->buf_index);
4738 }
4739 f->buf_offset += f->buf_index;
4740 f->buf_index = 0;
4741 }
4742}
4743
4744static void qemu_fill_buffer(QEMUFile *f)
4745{
4746 int len;
4747
4748 if (f->is_writable)
4749 return;
4750 if (f->is_file) {
4751 fseek(f->outfile, f->buf_offset, SEEK_SET);
4752 len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile);
4753 if (len < 0)
4754 len = 0;
4755 } else {
4756 len = bdrv_pread(f->bs, f->base_offset + f->buf_offset,
4757 f->buf, IO_BUF_SIZE);
4758 if (len < 0)
4759 len = 0;
4760 }
4761 f->buf_index = 0;
4762 f->buf_size = len;
4763 f->buf_offset += len;
4764}
4765
4766void qemu_fclose(QEMUFile *f)
4767{
4768 if (f->is_writable)
4769 qemu_fflush(f);
4770 if (f->is_file) {
4771 fclose(f->outfile);
4772 }
4773 qemu_free(f);
4774}
4775
8a7ddc38 4776void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
b4608c04 4777{
faea38e7
FB		 4778 int l;
4779 while (size > 0) {
4780 l = IO_BUF_SIZE - f->buf_index;
4781 if (l > size)
4782 l = size;
4783 memcpy(f->buf + f->buf_index, buf, l);
4784 f->buf_index += l;
4785 buf += l;
4786 size -= l;
4787 if (f->buf_index >= IO_BUF_SIZE)
4788 qemu_fflush(f);
4789 }
b4608c04
FB		 4790}
4791
8a7ddc38 4792void qemu_put_byte(QEMUFile *f, int v)
b4608c04 4793{
faea38e7
FB		 4794 f->buf[f->buf_index++] = v;
4795 if (f->buf_index >= IO_BUF_SIZE)
4796 qemu_fflush(f);
4797}
4798
4799int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
4800{
4801 int size, l;
4802
4803 size = size1;
4804 while (size > 0) {
4805 l = f->buf_size - f->buf_index;
4806 if (l == 0) {
4807 qemu_fill_buffer(f);
4808 l = f->buf_size - f->buf_index;
4809 if (l == 0)
4810 break;
4811 }
4812 if (l > size)
4813 l = size;
4814 memcpy(buf, f->buf + f->buf_index, l);
4815 f->buf_index += l;
4816 buf += l;
4817 size -= l;
4818 }
4819 return size1 - size;
4820}
4821
4822int qemu_get_byte(QEMUFile *f)
4823{
4824 if (f->buf_index >= f->buf_size) {
4825 qemu_fill_buffer(f);
4826 if (f->buf_index >= f->buf_size)
4827 return 0;
4828 }
4829 return f->buf[f->buf_index++];
4830}
4831
4832int64_t qemu_ftell(QEMUFile *f)
4833{
4834 return f->buf_offset - f->buf_size + f->buf_index;
4835}
4836
4837int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
4838{
4839 if (whence == SEEK_SET) {
4840 /* nothing to do */
4841 } else if (whence == SEEK_CUR) {
4842 pos += qemu_ftell(f);
4843 } else {
4844 /* SEEK_END not supported */
4845 return -1;
4846 }
4847 if (f->is_writable) {
4848 qemu_fflush(f);
4849 f->buf_offset = pos;
4850 } else {
4851 f->buf_offset = pos;
4852 f->buf_index = 0;
4853 f->buf_size = 0;
4854 }
4855 return pos;
8a7ddc38
FB		 4856}
4857
4858void qemu_put_be16(QEMUFile *f, unsigned int v)
4859{
4860 qemu_put_byte(f, v >> 8);
4861 qemu_put_byte(f, v);
4862}
4863
4864void qemu_put_be32(QEMUFile *f, unsigned int v)
4865{
4866 qemu_put_byte(f, v >> 24);
4867 qemu_put_byte(f, v >> 16);
4868 qemu_put_byte(f, v >> 8);
4869 qemu_put_byte(f, v);
4870}
4871
4872void qemu_put_be64(QEMUFile *f, uint64_t v)
4873{
4874 qemu_put_be32(f, v >> 32);
4875 qemu_put_be32(f, v);
4876}
4877
8a7ddc38
FB		 4878unsigned int qemu_get_be16(QEMUFile *f)
4879{
4880 unsigned int v;
4881 v = qemu_get_byte(f) << 8;
4882 v |= qemu_get_byte(f);
4883 return v;
4884}
4885
4886unsigned int qemu_get_be32(QEMUFile *f)
4887{
4888 unsigned int v;
4889 v = qemu_get_byte(f) << 24;
4890 v |= qemu_get_byte(f) << 16;
4891 v |= qemu_get_byte(f) << 8;
4892 v |= qemu_get_byte(f);
4893 return v;
4894}
4895
4896uint64_t qemu_get_be64(QEMUFile *f)
4897{
4898 uint64_t v;
4899 v = (uint64_t)qemu_get_be32(f) << 32;
4900 v |= qemu_get_be32(f);
4901 return v;
4902}
4903
8a7ddc38
FB		 4904typedef struct SaveStateEntry {
4905 char idstr[256];
4906 int instance_id;
4907 int version_id;
4908 SaveStateHandler *save_state;
4909 LoadStateHandler *load_state;
4910 void *opaque;
4911 struct SaveStateEntry *next;
4912} SaveStateEntry;
b4608c04 4913
8a7ddc38
FB		 4914static SaveStateEntry *first_se;
4915
4916int register_savevm(const char *idstr,
4917 int instance_id,
4918 int version_id,
4919 SaveStateHandler *save_state,
4920 LoadStateHandler *load_state,
4921 void *opaque)
4922{
4923 SaveStateEntry *se, **pse;
4924
4925 se = qemu_malloc(sizeof(SaveStateEntry));
4926 if (!se)
4927 return -1;
4928 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
4929 se->instance_id = instance_id;
4930 se->version_id = version_id;
4931 se->save_state = save_state;
4932 se->load_state = load_state;
4933 se->opaque = opaque;
4934 se->next = NULL;
4935
4936 /* add at the end of list */
4937 pse = &first_se;
4938 while (*pse != NULL)
4939 pse = &(*pse)->next;
4940 *pse = se;
4941 return 0;
4942}
4943
4944#define QEMU_VM_FILE_MAGIC 0x5145564d
faea38e7 4945#define QEMU_VM_FILE_VERSION 0x00000002
8a7ddc38 4946
faea38e7 4947int qemu_savevm_state(QEMUFile *f)
8a7ddc38
FB		 4948{
4949 SaveStateEntry *se;
faea38e7
FB		 4950 int len, ret;
4951 int64_t cur_pos, len_pos, total_len_pos;
313aa567 4952
8a7ddc38
FB		 4953 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
4954 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
faea38e7
FB		 4955 total_len_pos = qemu_ftell(f);
4956 qemu_put_be64(f, 0); /* total size */
8a7ddc38
FB		 4957
4958 for(se = first_se; se != NULL; se = se->next) {
4959 /* ID string */
4960 len = strlen(se->idstr);
4961 qemu_put_byte(f, len);
4962 qemu_put_buffer(f, se->idstr, len);
4963
4964 qemu_put_be32(f, se->instance_id);
4965 qemu_put_be32(f, se->version_id);
4966
4967 /* record size: filled later */
faea38e7 4968 len_pos = qemu_ftell(f);
8a7ddc38
FB		 4969 qemu_put_be32(f, 0);
4970
4971 se->save_state(f, se->opaque);
4972
4973 /* fill record size */
faea38e7
FB		 4974 cur_pos = qemu_ftell(f);
4975 len = cur_pos - len_pos - 4;
4976 qemu_fseek(f, len_pos, SEEK_SET);
8a7ddc38 4977 qemu_put_be32(f, len);
faea38e7 4978 qemu_fseek(f, cur_pos, SEEK_SET);
8a7ddc38 4979 }
faea38e7
FB		 4980 cur_pos = qemu_ftell(f);
4981 qemu_fseek(f, total_len_pos, SEEK_SET);
4982 qemu_put_be64(f, cur_pos - total_len_pos - 8);
4983 qemu_fseek(f, cur_pos, SEEK_SET);
8a7ddc38 4984
8a7ddc38 4985 ret = 0;
8a7ddc38
FB		 4986 return ret;
4987}
4988
4989static SaveStateEntry *find_se(const char *idstr, int instance_id)
4990{
4991 SaveStateEntry *se;
4992
4993 for(se = first_se; se != NULL; se = se->next) {
4994 if (!strcmp(se->idstr, idstr) &&
4995 instance_id == se->instance_id)
4996 return se;
4997 }
4998 return NULL;
4999}
5000
faea38e7 5001int qemu_loadvm_state(QEMUFile *f)
8a7ddc38
FB		 5002{
5003 SaveStateEntry *se;
faea38e7
FB		 5004 int len, ret, instance_id, record_len, version_id;
5005 int64_t total_len, end_pos, cur_pos;
8a7ddc38
FB		 5006 unsigned int v;
5007 char idstr[256];
5008
8a7ddc38
FB		 5009 v = qemu_get_be32(f);
5010 if (v != QEMU_VM_FILE_MAGIC)
5011 goto fail;
5012 v = qemu_get_be32(f);
5013 if (v != QEMU_VM_FILE_VERSION) {
5014 fail:
8a7ddc38
FB		 5015 ret = -1;
5016 goto the_end;
5017 }
faea38e7
FB		 5018 total_len = qemu_get_be64(f);
5019 end_pos = total_len + qemu_ftell(f);
b4608c04 5020 for(;;) {
faea38e7 5021 if (qemu_ftell(f) >= end_pos)
cd4c3e88 5022 break;
faea38e7 5023 len = qemu_get_byte(f);
8a7ddc38
FB		 5024 qemu_get_buffer(f, idstr, len);
5025 idstr[len] = '\0';
5026 instance_id = qemu_get_be32(f);
5027 version_id = qemu_get_be32(f);
5028 record_len = qemu_get_be32(f);
5029#if 0
5030 printf("idstr=%s instance=0x%x version=%d len=%d\n",
5031 idstr, instance_id, version_id, record_len);
5032#endif
faea38e7 5033 cur_pos = qemu_ftell(f);
8a7ddc38
FB		 5034 se = find_se(idstr, instance_id);
5035 if (!se) {
5036 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
5037 instance_id, idstr);
5038 } else {
5039 ret = se->load_state(f, se->opaque, version_id);
5040 if (ret < 0) {
5041 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
5042 instance_id, idstr);
5043 }
34865134 5044 }
8a7ddc38
FB		 5045 /* always seek to exact end of record */
5046 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
5047 }
8a7ddc38 5048 ret = 0;
faea38e7
FB		 5049 the_end:
5050 return ret;
5051}
5052
5053/* device can contain snapshots */
5054static int bdrv_can_snapshot(BlockDriverState *bs)
5055{
5056 return (bs &&
5057 !bdrv_is_removable(bs) &&
5058 !bdrv_is_read_only(bs));
5059}
5060
5061/* device must be snapshots in order to have a reliable snapshot */
5062static int bdrv_has_snapshot(BlockDriverState *bs)
5063{
5064 return (bs &&
5065 !bdrv_is_removable(bs) &&
5066 !bdrv_is_read_only(bs));
5067}
5068
5069static BlockDriverState *get_bs_snapshots(void)
5070{
5071 BlockDriverState *bs;
5072 int i;
5073
5074 if (bs_snapshots)
5075 return bs_snapshots;
5076 for(i = 0; i <= MAX_DISKS; i++) {
5077 bs = bs_table[i];
5078 if (bdrv_can_snapshot(bs))
5079 goto ok;
5080 }
5081 return NULL;
5082 ok:
5083 bs_snapshots = bs;
5084 return bs;
5085}
5086
5087static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
5088 const char *name)
5089{
5090 QEMUSnapshotInfo *sn_tab, *sn;
5091 int nb_sns, i, ret;
5092
5093 ret = -ENOENT;
5094 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
5095 if (nb_sns < 0)
5096 return ret;
5097 for(i = 0; i < nb_sns; i++) {
5098 sn = &sn_tab[i];
5099 if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
5100 *sn_info = *sn;
5101 ret = 0;
5102 break;
5103 }
5104 }
5105 qemu_free(sn_tab);
5106 return ret;
5107}
5108
5109void do_savevm(const char *name)
5110{
5111 BlockDriverState *bs, *bs1;
5112 QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
5113 int must_delete, ret, i;
5114 BlockDriverInfo bdi1, *bdi = &bdi1;
5115 QEMUFile *f;
5116 int saved_vm_running;
4c279bdf
FB		 5117#ifdef _WIN32
5118 struct _timeb tb;
5119#else
faea38e7 5120 struct timeval tv;
4c279bdf 5121#endif
faea38e7
FB		 5122
5123 bs = get_bs_snapshots();
5124 if (!bs) {
5125 term_printf("No block device can accept snapshots\n");
5126 return;
5127 }
5128
6192bc37
PB		 5129 /* ??? Should this occur after vm_stop? */
5130 qemu_aio_flush();
5131
faea38e7
FB		 5132 saved_vm_running = vm_running;
5133 vm_stop(0);
5134
5135 must_delete = 0;
5136 if (name) {
5137 ret = bdrv_snapshot_find(bs, old_sn, name);
5138 if (ret >= 0) {
5139 must_delete = 1;
5140 }
5141 }
5142 memset(sn, 0, sizeof(*sn));
5143 if (must_delete) {
5144 pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
5145 pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
5146 } else {
5147 if (name)
5148 pstrcpy(sn->name, sizeof(sn->name), name);
5149 }
5150
5151 /* fill auxiliary fields */
4c279bdf
FB		 5152#ifdef _WIN32
5153 _ftime(&tb);
5154 sn->date_sec = tb.time;
5155 sn->date_nsec = tb.millitm * 1000000;
5156#else
faea38e7
FB		 5157 gettimeofday(&tv, NULL);
5158 sn->date_sec = tv.tv_sec;
5159 sn->date_nsec = tv.tv_usec * 1000;
4c279bdf 5160#endif
faea38e7
FB		 5161 sn->vm_clock_nsec = qemu_get_clock(vm_clock);
5162
5163 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
5164 term_printf("Device %s does not support VM state snapshots\n",
5165 bdrv_get_device_name(bs));
5166 goto the_end;
5167 }
5168
5169 /* save the VM state */
5170 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
5171 if (!f) {
5172 term_printf("Could not open VM state file\n");
5173 goto the_end;
5174 }
5175 ret = qemu_savevm_state(f);
5176 sn->vm_state_size = qemu_ftell(f);
5177 qemu_fclose(f);
5178 if (ret < 0) {
5179 term_printf("Error %d while writing VM\n", ret);
5180 goto the_end;
5181 }
5182
5183 /* create the snapshots */
5184
5185 for(i = 0; i < MAX_DISKS; i++) {
5186 bs1 = bs_table[i];
5187 if (bdrv_has_snapshot(bs1)) {
5188 if (must_delete) {
5189 ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
5190 if (ret < 0) {
5191 term_printf("Error while deleting snapshot on '%s'\n",
5192 bdrv_get_device_name(bs1));
5193 }
5194 }
5195 ret = bdrv_snapshot_create(bs1, sn);
5196 if (ret < 0) {
5197 term_printf("Error while creating snapshot on '%s'\n",
5198 bdrv_get_device_name(bs1));
5199 }
5200 }
5201 }
5202
8a7ddc38
FB		 5203 the_end:
5204 if (saved_vm_running)
5205 vm_start();
faea38e7
FB		 5206}
5207
5208void do_loadvm(const char *name)
5209{
5210 BlockDriverState *bs, *bs1;
5211 BlockDriverInfo bdi1, *bdi = &bdi1;
5212 QEMUFile *f;
5213 int i, ret;
5214 int saved_vm_running;
5215
5216 bs = get_bs_snapshots();
5217 if (!bs) {
5218 term_printf("No block device supports snapshots\n");
5219 return;
5220 }
5221
6192bc37
PB		 5222 /* Flush all IO requests so they don't interfere with the new state. */
5223 qemu_aio_flush();
5224
faea38e7
FB		 5225 saved_vm_running = vm_running;
5226 vm_stop(0);
5227
5228 for(i = 0; i <= MAX_DISKS; i++) {
5229 bs1 = bs_table[i];
5230 if (bdrv_has_snapshot(bs1)) {
5231 ret = bdrv_snapshot_goto(bs1, name);
5232 if (ret < 0) {
5233 if (bs != bs1)
5234 term_printf("Warning: ");
5235 switch(ret) {
5236 case -ENOTSUP:
5237 term_printf("Snapshots not supported on device '%s'\n",
5238 bdrv_get_device_name(bs1));
5239 break;
5240 case -ENOENT:
5241 term_printf("Could not find snapshot '%s' on device '%s'\n",
5242 name, bdrv_get_device_name(bs1));
5243 break;
5244 default:
5245 term_printf("Error %d while activating snapshot on '%s'\n",
5246 ret, bdrv_get_device_name(bs1));
5247 break;
5248 }
5249 /* fatal on snapshot block device */
5250 if (bs == bs1)
5251 goto the_end;
5252 }
5253 }
5254 }
5255
5256 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
5257 term_printf("Device %s does not support VM state snapshots\n",
5258 bdrv_get_device_name(bs));
5259 return;
5260 }
5261
5262 /* restore the VM state */
5263 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
5264 if (!f) {
5265 term_printf("Could not open VM state file\n");
5266 goto the_end;
5267 }
5268 ret = qemu_loadvm_state(f);
5269 qemu_fclose(f);
5270 if (ret < 0) {
5271 term_printf("Error %d while loading VM state\n", ret);
5272 }
5273 the_end:
5274 if (saved_vm_running)
5275 vm_start();
5276}
5277
5278void do_delvm(const char *name)
5279{
5280 BlockDriverState *bs, *bs1;
5281 int i, ret;
5282
5283 bs = get_bs_snapshots();
5284 if (!bs) {
5285 term_printf("No block device supports snapshots\n");
5286 return;
5287 }
5288
5289 for(i = 0; i <= MAX_DISKS; i++) {
5290 bs1 = bs_table[i];
5291 if (bdrv_has_snapshot(bs1)) {
5292 ret = bdrv_snapshot_delete(bs1, name);
5293 if (ret < 0) {
5294 if (ret == -ENOTSUP)
5295 term_printf("Snapshots not supported on device '%s'\n",
5296 bdrv_get_device_name(bs1));
5297 else
5298 term_printf("Error %d while deleting snapshot on '%s'\n",
5299 ret, bdrv_get_device_name(bs1));
5300 }
5301 }
5302 }
5303}
5304
5305void do_info_snapshots(void)
5306{
5307 BlockDriverState *bs, *bs1;
5308 QEMUSnapshotInfo *sn_tab, *sn;
5309 int nb_sns, i;
5310 char buf[256];
5311
5312 bs = get_bs_snapshots();
5313 if (!bs) {
5314 term_printf("No available block device supports snapshots\n");
5315 return;
5316 }
5317 term_printf("Snapshot devices:");
5318 for(i = 0; i <= MAX_DISKS; i++) {
5319 bs1 = bs_table[i];
5320 if (bdrv_has_snapshot(bs1)) {
5321 if (bs == bs1)
5322 term_printf(" %s", bdrv_get_device_name(bs1));
5323 }
5324 }
5325 term_printf("\n");
5326
5327 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
5328 if (nb_sns < 0) {
5329 term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
5330 return;
5331 }
5332 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
5333 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
5334 for(i = 0; i < nb_sns; i++) {
5335 sn = &sn_tab[i];
5336 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
5337 }
5338 qemu_free(sn_tab);
8a7ddc38
FB		 5339}
5340
5341/***********************************************************/
5342/* cpu save/restore */
5343
5344#if defined(TARGET_I386)
5345
5346static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
5347{
02ba45c5 5348 qemu_put_be32(f, dt->selector);
20f32282 5349 qemu_put_betl(f, dt->base);
8a7ddc38
FB		 5350 qemu_put_be32(f, dt->limit);
5351 qemu_put_be32(f, dt->flags);
5352}
5353
5354static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
5355{
02ba45c5 5356 dt->selector = qemu_get_be32(f);
20f32282 5357 dt->base = qemu_get_betl(f);
8a7ddc38
FB		 5358 dt->limit = qemu_get_be32(f);
5359 dt->flags = qemu_get_be32(f);
5360}
5361
5362void cpu_save(QEMUFile *f, void *opaque)
5363{
5364 CPUState *env = opaque;
664e0f19 5365 uint16_t fptag, fpus, fpuc, fpregs_format;
8a7ddc38
FB		 5366 uint32_t hflags;
5367 int i;
664e0f19 5368
20f32282
FB		 5369 for(i = 0; i < CPU_NB_REGS; i++)
5370 qemu_put_betls(f, &env->regs[i]);
5371 qemu_put_betls(f, &env->eip);
5372 qemu_put_betls(f, &env->eflags);
8a7ddc38
FB		 5373 hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
5374 qemu_put_be32s(f, &hflags);
5375
5376 /* FPU */
5377 fpuc = env->fpuc;
5378 fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
5379 fptag = 0;
664e0f19
FB		 5380 for(i = 0; i < 8; i++) {
5381 fptag |= ((!env->fptags[i]) << i);
8a7ddc38
FB		 5382 }
5383
5384 qemu_put_be16s(f, &fpuc);
5385 qemu_put_be16s(f, &fpus);
5386 qemu_put_be16s(f, &fptag);
5387
664e0f19
FB		 5388#ifdef USE_X86LDOUBLE
5389 fpregs_format = 0;
5390#else
5391 fpregs_format = 1;
5392#endif
5393 qemu_put_be16s(f, &fpregs_format);
5394
8a7ddc38 5395 for(i = 0; i < 8; i++) {
664e0f19 5396#ifdef USE_X86LDOUBLE
8636b5d8
FB		 5397 {
5398 uint64_t mant;
5399 uint16_t exp;
5400 /* we save the real CPU data (in case of MMX usage only 'mant'
5401 contains the MMX register */
5402 cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
5403 qemu_put_be64(f, mant);
5404 qemu_put_be16(f, exp);
5405 }
664e0f19
FB		 5406#else
5407 /* if we use doubles for float emulation, we save the doubles to
5408 avoid losing information in case of MMX usage. It can give
5409 problems if the image is restored on a CPU where long
5410 doubles are used instead. */
8636b5d8 5411 qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
664e0f19 5412#endif
8a7ddc38
FB		 5413 }
5414
5415 for(i = 0; i < 6; i++)
5416 cpu_put_seg(f, &env->segs[i]);
5417 cpu_put_seg(f, &env->ldt);
5418 cpu_put_seg(f, &env->tr);
5419 cpu_put_seg(f, &env->gdt);
5420 cpu_put_seg(f, &env->idt);
5421
5422 qemu_put_be32s(f, &env->sysenter_cs);
5423 qemu_put_be32s(f, &env->sysenter_esp);
5424 qemu_put_be32s(f, &env->sysenter_eip);
5425
20f32282
FB		 5426 qemu_put_betls(f, &env->cr[0]);
5427 qemu_put_betls(f, &env->cr[2]);
5428 qemu_put_betls(f, &env->cr[3]);
5429 qemu_put_betls(f, &env->cr[4]);
8a7ddc38
FB		 5430
5431 for(i = 0; i < 8; i++)
20f32282 5432 qemu_put_betls(f, &env->dr[i]);
8a7ddc38
FB		 5433
5434 /* MMU */
5435 qemu_put_be32s(f, &env->a20_mask);
02536f8b 5436
664e0f19
FB		 5437 /* XMM */
5438 qemu_put_be32s(f, &env->mxcsr);
02536f8b
FB		 5439 for(i = 0; i < CPU_NB_REGS; i++) {
5440 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
5441 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
5442 }
5443
664e0f19 5444#ifdef TARGET_X86_64
02536f8b
FB		 5445 qemu_put_be64s(f, &env->efer);
5446 qemu_put_be64s(f, &env->star);
5447 qemu_put_be64s(f, &env->lstar);
5448 qemu_put_be64s(f, &env->cstar);
5449 qemu_put_be64s(f, &env->fmask);
5450 qemu_put_be64s(f, &env->kernelgsbase);
5451#endif
3b21e03e 5452 qemu_put_be32s(f, &env->smbase);
8a7ddc38
FB		 5453}
5454
8636b5d8 5455#ifdef USE_X86LDOUBLE
664e0f19
FB		 5456/* XXX: add that in a FPU generic layer */
5457union x86_longdouble {
5458 uint64_t mant;
5459 uint16_t exp;
5460};
5461
5462#define MANTD1(fp) (fp & ((1LL << 52) - 1))
5463#define EXPBIAS1 1023
5464#define EXPD1(fp) ((fp >> 52) & 0x7FF)
5465#define SIGND1(fp) ((fp >> 32) & 0x80000000)
5466
5467static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
5468{
5469 int e;
5470 /* mantissa */
5471 p->mant = (MANTD1(temp) << 11) | (1LL << 63);
5472 /* exponent + sign */
5473 e = EXPD1(temp) - EXPBIAS1 + 16383;
5474 e |= SIGND1(temp) >> 16;
5475 p->exp = e;
5476}
8636b5d8 5477#endif
664e0f19 5478
8a7ddc38
FB		 5479int cpu_load(QEMUFile *f, void *opaque, int version_id)
5480{
5481 CPUState *env = opaque;
664e0f19 5482 int i, guess_mmx;
8a7ddc38 5483 uint32_t hflags;
664e0f19 5484 uint16_t fpus, fpuc, fptag, fpregs_format;
8a7ddc38 5485
3b21e03e 5486 if (version_id != 3 && version_id != 4)
8a7ddc38 5487 return -EINVAL;
20f32282
FB		 5488 for(i = 0; i < CPU_NB_REGS; i++)
5489 qemu_get_betls(f, &env->regs[i]);
5490 qemu_get_betls(f, &env->eip);
5491 qemu_get_betls(f, &env->eflags);
8a7ddc38
FB		 5492 qemu_get_be32s(f, &hflags);
5493
5494 qemu_get_be16s(f, &fpuc);
5495 qemu_get_be16s(f, &fpus);
5496 qemu_get_be16s(f, &fptag);
664e0f19
FB		 5497 qemu_get_be16s(f, &fpregs_format);
5498
5499 /* NOTE: we cannot always restore the FPU state if the image come
5500 from a host with a different 'USE_X86LDOUBLE' define. We guess
5501 if we are in an MMX state to restore correctly in that case. */
5502 guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0);
8a7ddc38
FB		 5503 for(i = 0; i < 8; i++) {
5504 uint64_t mant;
5505 uint16_t exp;
664e0f19
FB		 5506
5507 switch(fpregs_format) {
5508 case 0:
5509 mant = qemu_get_be64(f);
5510 exp = qemu_get_be16(f);
5511#ifdef USE_X86LDOUBLE
5512 env->fpregs[i].d = cpu_set_fp80(mant, exp);
5513#else
5514 /* difficult case */
5515 if (guess_mmx)
8636b5d8 5516 env->fpregs[i].mmx.MMX_Q(0) = mant;
664e0f19
FB		 5517 else
5518 env->fpregs[i].d = cpu_set_fp80(mant, exp);
5519#endif
5520 break;
5521 case 1:
5522 mant = qemu_get_be64(f);
5523#ifdef USE_X86LDOUBLE
8636b5d8
FB		 5524 {
5525 union x86_longdouble *p;
5526 /* difficult case */
5527 p = (void *)&env->fpregs[i];
5528 if (guess_mmx) {
5529 p->mant = mant;
5530 p->exp = 0xffff;
5531 } else {
5532 fp64_to_fp80(p, mant);
5533 }
664e0f19
FB		 5534 }
5535#else
8636b5d8 5536 env->fpregs[i].mmx.MMX_Q(0) = mant;
664e0f19
FB		 5537#endif
5538 break;
5539 default:
5540 return -EINVAL;
5541 }
8a7ddc38
FB		 5542 }
5543
5544 env->fpuc = fpuc;
7a0e1f41 5545 /* XXX: restore FPU round state */
8a7ddc38
FB		 5546 env->fpstt = (fpus >> 11) & 7;
5547 env->fpus = fpus & ~0x3800;
664e0f19 5548 fptag ^= 0xff;
8a7ddc38 5549 for(i = 0; i < 8; i++) {
664e0f19 5550 env->fptags[i] = (fptag >> i) & 1;
8a7ddc38
FB		 5551 }
5552
5553 for(i = 0; i < 6; i++)
5554 cpu_get_seg(f, &env->segs[i]);
5555 cpu_get_seg(f, &env->ldt);
5556 cpu_get_seg(f, &env->tr);
5557 cpu_get_seg(f, &env->gdt);
5558 cpu_get_seg(f, &env->idt);
5559
5560 qemu_get_be32s(f, &env->sysenter_cs);
5561 qemu_get_be32s(f, &env->sysenter_esp);
5562 qemu_get_be32s(f, &env->sysenter_eip);
5563
20f32282
FB		 5564 qemu_get_betls(f, &env->cr[0]);
5565 qemu_get_betls(f, &env->cr[2]);
5566 qemu_get_betls(f, &env->cr[3]);
5567 qemu_get_betls(f, &env->cr[4]);
8a7ddc38
FB		 5568
5569 for(i = 0; i < 8; i++)
20f32282 5570 qemu_get_betls(f, &env->dr[i]);
8a7ddc38
FB		 5571
5572 /* MMU */
5573 qemu_get_be32s(f, &env->a20_mask);
5574
664e0f19 5575 qemu_get_be32s(f, &env->mxcsr);
02536f8b
FB		 5576 for(i = 0; i < CPU_NB_REGS; i++) {
5577 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
5578 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
5579 }
5580
664e0f19 5581#ifdef TARGET_X86_64
02536f8b
FB		 5582 qemu_get_be64s(f, &env->efer);
5583 qemu_get_be64s(f, &env->star);
5584 qemu_get_be64s(f, &env->lstar);
5585 qemu_get_be64s(f, &env->cstar);
5586 qemu_get_be64s(f, &env->fmask);
5587 qemu_get_be64s(f, &env->kernelgsbase);
5588#endif
3b21e03e
FB		 5589 if (version_id >= 4)
5590 qemu_get_be32s(f, &env->smbase);
02536f8b 5591
8a7ddc38
FB		 5592 /* XXX: compute hflags from scratch, except for CPL and IIF */
5593 env->hflags = hflags;
5594 tlb_flush(env, 1);
5595 return 0;
5596}
5597
a541f297
FB		 5598#elif defined(TARGET_PPC)
5599void cpu_save(QEMUFile *f, void *opaque)
5600{
5601}
5602
e95c8d51
FB		 5603int cpu_load(QEMUFile *f, void *opaque, int version_id)
5604{
5605 return 0;
5606}
6af0bf9c
FB		 5607
5608#elif defined(TARGET_MIPS)
5609void cpu_save(QEMUFile *f, void *opaque)
5610{
5611}
5612
5613int cpu_load(QEMUFile *f, void *opaque, int version_id)
5614{
5615 return 0;
5616}
5617
e95c8d51
FB		 5618#elif defined(TARGET_SPARC)
5619void cpu_save(QEMUFile *f, void *opaque)
5620{
e80cfcfc
FB		 5621 CPUState *env = opaque;
5622 int i;
5623 uint32_t tmp;
5624
4fa5d772
FB		 5625 for(i = 0; i < 8; i++)
5626 qemu_put_betls(f, &env->gregs[i]);
5627 for(i = 0; i < NWINDOWS * 16; i++)
5628 qemu_put_betls(f, &env->regbase[i]);
e80cfcfc
FB		 5629
5630 /* FPU */
4fa5d772
FB		 5631 for(i = 0; i < TARGET_FPREGS; i++) {
5632 union {
1bdb68ea
FB		 5633 float32 f;
5634 uint32_t i;
4fa5d772
FB		 5635 } u;
5636 u.f = env->fpr[i];
1bdb68ea 5637 qemu_put_be32(f, u.i);
4fa5d772
FB		 5638 }
5639
5640 qemu_put_betls(f, &env->pc);
5641 qemu_put_betls(f, &env->npc);
5642 qemu_put_betls(f, &env->y);
e80cfcfc 5643 tmp = GET_PSR(env);
4fa5d772 5644 qemu_put_be32(f, tmp);
3475187d
FB		 5645 qemu_put_betls(f, &env->fsr);
5646 qemu_put_betls(f, &env->tbr);
5647#ifndef TARGET_SPARC64
e80cfcfc 5648 qemu_put_be32s(f, &env->wim);
e80cfcfc
FB		 5649 /* MMU */
5650 for(i = 0; i < 16; i++)
5651 qemu_put_be32s(f, &env->mmuregs[i]);
3475187d 5652#endif
e95c8d51
FB		 5653}
5654
a541f297
FB		 5655int cpu_load(QEMUFile *f, void *opaque, int version_id)
5656{
e80cfcfc
FB		 5657 CPUState *env = opaque;
5658 int i;
5659 uint32_t tmp;
5660
4fa5d772
FB		 5661 for(i = 0; i < 8; i++)
5662 qemu_get_betls(f, &env->gregs[i]);
5663 for(i = 0; i < NWINDOWS * 16; i++)
5664 qemu_get_betls(f, &env->regbase[i]);
e80cfcfc
FB		 5665
5666 /* FPU */
4fa5d772
FB		 5667 for(i = 0; i < TARGET_FPREGS; i++) {
5668 union {
1bdb68ea
FB		 5669 float32 f;
5670 uint32_t i;
4fa5d772 5671 } u;
1bdb68ea 5672 u.i = qemu_get_be32(f);
4fa5d772
FB		 5673 env->fpr[i] = u.f;
5674 }
5675
5676 qemu_get_betls(f, &env->pc);
5677 qemu_get_betls(f, &env->npc);
5678 qemu_get_betls(f, &env->y);
5679 tmp = qemu_get_be32(f);
5680 env->cwp = 0; /* needed to ensure that the wrapping registers are
5681 correctly updated */
e80cfcfc 5682 PUT_PSR(env, tmp);
3475187d
FB		 5683 qemu_get_betls(f, &env->fsr);
5684 qemu_get_betls(f, &env->tbr);
5685#ifndef TARGET_SPARC64
e80cfcfc 5686 qemu_get_be32s(f, &env->wim);
e80cfcfc
FB		 5687 /* MMU */
5688 for(i = 0; i < 16; i++)
5689 qemu_get_be32s(f, &env->mmuregs[i]);
3475187d 5690#endif
e80cfcfc 5691 tlb_flush(env, 1);
a541f297
FB		 5692 return 0;
5693}
b5ff1b31
FB		 5694
5695#elif defined(TARGET_ARM)
5696
b5ff1b31
FB		 5697void cpu_save(QEMUFile *f, void *opaque)
5698{
aa941b94
AZ		 5699 int i;
5700 CPUARMState *env = (CPUARMState *)opaque;
5701
5702 for (i = 0; i < 16; i++) {
5703 qemu_put_be32(f, env->regs[i]);
5704 }
5705 qemu_put_be32(f, cpsr_read(env));
5706 qemu_put_be32(f, env->spsr);
5707 for (i = 0; i < 6; i++) {
5708 qemu_put_be32(f, env->banked_spsr[i]);
5709 qemu_put_be32(f, env->banked_r13[i]);
5710 qemu_put_be32(f, env->banked_r14[i]);
5711 }
5712 for (i = 0; i < 5; i++) {
5713 qemu_put_be32(f, env->usr_regs[i]);
5714 qemu_put_be32(f, env->fiq_regs[i]);
5715 }
5716 qemu_put_be32(f, env->cp15.c0_cpuid);
5717 qemu_put_be32(f, env->cp15.c0_cachetype);
5718 qemu_put_be32(f, env->cp15.c1_sys);
5719 qemu_put_be32(f, env->cp15.c1_coproc);
5720 qemu_put_be32(f, env->cp15.c2_base);
5721 qemu_put_be32(f, env->cp15.c2_data);
5722 qemu_put_be32(f, env->cp15.c2_insn);
5723 qemu_put_be32(f, env->cp15.c3);
5724 qemu_put_be32(f, env->cp15.c5_insn);
5725 qemu_put_be32(f, env->cp15.c5_data);
5726 for (i = 0; i < 8; i++) {
5727 qemu_put_be32(f, env->cp15.c6_region[i]);
5728 }
5729 qemu_put_be32(f, env->cp15.c6_insn);
5730 qemu_put_be32(f, env->cp15.c6_data);
5731 qemu_put_be32(f, env->cp15.c9_insn);
5732 qemu_put_be32(f, env->cp15.c9_data);
5733 qemu_put_be32(f, env->cp15.c13_fcse);
5734 qemu_put_be32(f, env->cp15.c13_context);
5735 qemu_put_be32(f, env->cp15.c15_cpar);
5736
5737 qemu_put_be32(f, env->features);
5738
5739 if (arm_feature(env, ARM_FEATURE_VFP)) {
5740 for (i = 0; i < 16; i++) {
5741 CPU_DoubleU u;
5742 u.d = env->vfp.regs[i];
5743 qemu_put_be32(f, u.l.upper);
5744 qemu_put_be32(f, u.l.lower);
5745 }
5746 for (i = 0; i < 16; i++) {
5747 qemu_put_be32(f, env->vfp.xregs[i]);
5748 }
5749
5750 /* TODO: Should use proper FPSCR access functions. */
5751 qemu_put_be32(f, env->vfp.vec_len);
5752 qemu_put_be32(f, env->vfp.vec_stride);
5753 }
5754
5755 if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
5756 for (i = 0; i < 16; i++) {
5757 qemu_put_be64(f, env->iwmmxt.regs[i]);
5758 }
5759 for (i = 0; i < 16; i++) {
5760 qemu_put_be32(f, env->iwmmxt.cregs[i]);
5761 }
5762 }
b5ff1b31
FB		 5763}
5764
5765int cpu_load(QEMUFile *f, void *opaque, int version_id)
5766{
aa941b94
AZ		 5767 CPUARMState *env = (CPUARMState *)opaque;
5768 int i;
5769
5770 if (version_id != 0)
5771 return -EINVAL;
5772
5773 for (i = 0; i < 16; i++) {
5774 env->regs[i] = qemu_get_be32(f);
5775 }
5776 cpsr_write(env, qemu_get_be32(f), 0xffffffff);
5777 env->spsr = qemu_get_be32(f);
5778 for (i = 0; i < 6; i++) {
5779 env->banked_spsr[i] = qemu_get_be32(f);
5780 env->banked_r13[i] = qemu_get_be32(f);
5781 env->banked_r14[i] = qemu_get_be32(f);
5782 }
5783 for (i = 0; i < 5; i++) {
5784 env->usr_regs[i] = qemu_get_be32(f);
5785 env->fiq_regs[i] = qemu_get_be32(f);
5786 }
5787 env->cp15.c0_cpuid = qemu_get_be32(f);
5788 env->cp15.c0_cachetype = qemu_get_be32(f);
5789 env->cp15.c1_sys = qemu_get_be32(f);
5790 env->cp15.c1_coproc = qemu_get_be32(f);
5791 env->cp15.c2_base = qemu_get_be32(f);
5792 env->cp15.c2_data = qemu_get_be32(f);
5793 env->cp15.c2_insn = qemu_get_be32(f);
5794 env->cp15.c3 = qemu_get_be32(f);
5795 env->cp15.c5_insn = qemu_get_be32(f);
5796 env->cp15.c5_data = qemu_get_be32(f);
5797 for (i = 0; i < 8; i++) {
5798 env->cp15.c6_region[i] = qemu_get_be32(f);
5799 }
5800 env->cp15.c6_insn = qemu_get_be32(f);
5801 env->cp15.c6_data = qemu_get_be32(f);
5802 env->cp15.c9_insn = qemu_get_be32(f);
5803 env->cp15.c9_data = qemu_get_be32(f);
5804 env->cp15.c13_fcse = qemu_get_be32(f);
5805 env->cp15.c13_context = qemu_get_be32(f);
5806 env->cp15.c15_cpar = qemu_get_be32(f);
5807
5808 env->features = qemu_get_be32(f);
5809
5810 if (arm_feature(env, ARM_FEATURE_VFP)) {
5811 for (i = 0; i < 16; i++) {
5812 CPU_DoubleU u;
5813 u.l.upper = qemu_get_be32(f);
5814 u.l.lower = qemu_get_be32(f);
5815 env->vfp.regs[i] = u.d;
5816 }
5817 for (i = 0; i < 16; i++) {
5818 env->vfp.xregs[i] = qemu_get_be32(f);
5819 }
5820
5821 /* TODO: Should use proper FPSCR access functions. */
5822 env->vfp.vec_len = qemu_get_be32(f);
5823 env->vfp.vec_stride = qemu_get_be32(f);
5824 }
5825
5826 if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
5827 for (i = 0; i < 16; i++) {
5828 env->iwmmxt.regs[i] = qemu_get_be64(f);
5829 }
5830 for (i = 0; i < 16; i++) {
5831 env->iwmmxt.cregs[i] = qemu_get_be32(f);
5832 }
5833 }
5834
b5ff1b31
FB		 5835 return 0;
5836}
5837
8a7ddc38
FB		 5838#else
5839
5840#warning No CPU save/restore functions
5841
5842#endif
5843
5844/***********************************************************/
5845/* ram save/restore */
5846
8a7ddc38
FB		 5847static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
5848{
5849 int v;
5850
5851 v = qemu_get_byte(f);
5852 switch(v) {
5853 case 0:
5854 if (qemu_get_buffer(f, buf, len) != len)
5855 return -EIO;
5856 break;
5857 case 1:
5858 v = qemu_get_byte(f);
5859 memset(buf, v, len);
5860 break;
5861 default:
5862 return -EINVAL;
5863 }
5864 return 0;
5865}
5866
c88676f8
FB		 5867static int ram_load_v1(QEMUFile *f, void *opaque)
5868{
5869 int i, ret;
5870
5871 if (qemu_get_be32(f) != phys_ram_size)
5872 return -EINVAL;
5873 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
5874 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
5875 if (ret)
5876 return ret;
5877 }
5878 return 0;
5879}
5880
5881#define BDRV_HASH_BLOCK_SIZE 1024
5882#define IOBUF_SIZE 4096
5883#define RAM_CBLOCK_MAGIC 0xfabe
5884
5885typedef struct RamCompressState {
5886 z_stream zstream;
5887 QEMUFile *f;
5888 uint8_t buf[IOBUF_SIZE];
5889} RamCompressState;
5890
5891static int ram_compress_open(RamCompressState *s, QEMUFile *f)
5892{
5893 int ret;
5894 memset(s, 0, sizeof(*s));
5895 s->f = f;
5896 ret = deflateInit2(&s->zstream, 1,
5897 Z_DEFLATED, 15,
5898 9, Z_DEFAULT_STRATEGY);
5899 if (ret != Z_OK)
5900 return -1;
5901 s->zstream.avail_out = IOBUF_SIZE;
5902 s->zstream.next_out = s->buf;
5903 return 0;
5904}
5905
5906static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len)
5907{
5908 qemu_put_be16(s->f, RAM_CBLOCK_MAGIC);
5909 qemu_put_be16(s->f, len);
5910 qemu_put_buffer(s->f, buf, len);
5911}
5912
5913static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len)
5914{
5915 int ret;
5916
5917 s->zstream.avail_in = len;
5918 s->zstream.next_in = (uint8_t *)buf;
5919 while (s->zstream.avail_in > 0) {
5920 ret = deflate(&s->zstream, Z_NO_FLUSH);
5921 if (ret != Z_OK)
5922 return -1;
5923 if (s->zstream.avail_out == 0) {
5924 ram_put_cblock(s, s->buf, IOBUF_SIZE);
5925 s->zstream.avail_out = IOBUF_SIZE;
5926 s->zstream.next_out = s->buf;
5927 }
5928 }
5929 return 0;
5930}
5931
5932static void ram_compress_close(RamCompressState *s)
5933{
5934 int len, ret;
5935
5936 /* compress last bytes */
5937 for(;;) {
5938 ret = deflate(&s->zstream, Z_FINISH);
5939 if (ret == Z_OK || ret == Z_STREAM_END) {
5940 len = IOBUF_SIZE - s->zstream.avail_out;
5941 if (len > 0) {
5942 ram_put_cblock(s, s->buf, len);
5943 }
5944 s->zstream.avail_out = IOBUF_SIZE;
5945 s->zstream.next_out = s->buf;
5946 if (ret == Z_STREAM_END)
5947 break;
5948 } else {
5949 goto fail;
5950 }
5951 }
5952fail:
5953 deflateEnd(&s->zstream);
5954}
5955
5956typedef struct RamDecompressState {
5957 z_stream zstream;
5958 QEMUFile *f;
5959 uint8_t buf[IOBUF_SIZE];
5960} RamDecompressState;
5961
5962static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
5963{
5964 int ret;
5965 memset(s, 0, sizeof(*s));
5966 s->f = f;
5967 ret = inflateInit(&s->zstream);
5968 if (ret != Z_OK)
5969 return -1;
5970 return 0;
5971}
5972
5973static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
5974{
5975 int ret, clen;
5976
5977 s->zstream.avail_out = len;
5978 s->zstream.next_out = buf;
5979 while (s->zstream.avail_out > 0) {
5980 if (s->zstream.avail_in == 0) {
5981 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
5982 return -1;
5983 clen = qemu_get_be16(s->f);
5984 if (clen > IOBUF_SIZE)
5985 return -1;
5986 qemu_get_buffer(s->f, s->buf, clen);
5987 s->zstream.avail_in = clen;
5988 s->zstream.next_in = s->buf;
5989 }
5990 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
5991 if (ret != Z_OK && ret != Z_STREAM_END) {
5992 return -1;
5993 }
5994 }
5995 return 0;
5996}
5997
5998static void ram_decompress_close(RamDecompressState *s)
5999{
6000 inflateEnd(&s->zstream);
6001}
6002
8a7ddc38
FB		 6003static void ram_save(QEMUFile *f, void *opaque)
6004{
6005 int i;
c88676f8
FB		 6006 RamCompressState s1, *s = &s1;
6007 uint8_t buf[10];
6008
8a7ddc38 6009 qemu_put_be32(f, phys_ram_size);
c88676f8
FB		 6010 if (ram_compress_open(s, f) < 0)
6011 return;
6012 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
6013#if 0
6014 if (tight_savevm_enabled) {
6015 int64_t sector_num;
6016 int j;
6017
6018 /* find if the memory block is available on a virtual
6019 block device */
6020 sector_num = -1;
6021 for(j = 0; j < MAX_DISKS; j++) {
6022 if (bs_table[j]) {
6023 sector_num = bdrv_hash_find(bs_table[j],
6024 phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
6025 if (sector_num >= 0)
6026 break;
6027 }
6028 }
6029 if (j == MAX_DISKS)
6030 goto normal_compress;
6031 buf[0] = 1;
6032 buf[1] = j;
6033 cpu_to_be64wu((uint64_t *)(buf + 2), sector_num);
6034 ram_compress_buf(s, buf, 10);
6035 } else
6036#endif
6037 {
6038 // normal_compress:
6039 buf[0] = 0;
6040 ram_compress_buf(s, buf, 1);
6041 ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
6042 }
8a7ddc38 6043 }
c88676f8 6044 ram_compress_close(s);
8a7ddc38
FB		 6045}
6046
6047static int ram_load(QEMUFile *f, void *opaque, int version_id)
6048{
c88676f8
FB		 6049 RamDecompressState s1, *s = &s1;
6050 uint8_t buf[10];
6051 int i;
8a7ddc38 6052
c88676f8
FB		 6053 if (version_id == 1)
6054 return ram_load_v1(f, opaque);
6055 if (version_id != 2)
8a7ddc38
FB		 6056 return -EINVAL;
6057 if (qemu_get_be32(f) != phys_ram_size)
6058 return -EINVAL;
c88676f8
FB		 6059 if (ram_decompress_open(s, f) < 0)
6060 return -EINVAL;
6061 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
6062 if (ram_decompress_buf(s, buf, 1) < 0) {
6063 fprintf(stderr, "Error while reading ram block header\n");
6064 goto error;
6065 }
6066 if (buf[0] == 0) {
6067 if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
6068 fprintf(stderr, "Error while reading ram block address=0x%08x", i);
6069 goto error;
6070 }
6071 } else
6072#if 0
6073 if (buf[0] == 1) {
6074 int bs_index;
6075 int64_t sector_num;
6076
6077 ram_decompress_buf(s, buf + 1, 9);
6078 bs_index = buf[1];
6079 sector_num = be64_to_cpupu((const uint64_t *)(buf + 2));
6080 if (bs_index >= MAX_DISKS || bs_table[bs_index] == NULL) {
6081 fprintf(stderr, "Invalid block device index %d\n", bs_index);
6082 goto error;
6083 }
6084 if (bdrv_read(bs_table[bs_index], sector_num, phys_ram_base + i,
6085 BDRV_HASH_BLOCK_SIZE / 512) < 0) {
6086 fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n",
6087 bs_index, sector_num);
6088 goto error;
6089 }
6090 } else
6091#endif
6092 {
6093 error:
6094 printf("Error block header\n");
6095 return -EINVAL;
6096 }
8a7ddc38 6097 }
c88676f8 6098 ram_decompress_close(s);
8a7ddc38
FB		 6099 return 0;
6100}
6101
83f64091
FB		 6102/***********************************************************/
6103/* bottom halves (can be seen as timers which expire ASAP) */
6104
6105struct QEMUBH {
6106 QEMUBHFunc *cb;
6107 void *opaque;
6108 int scheduled;
6109 QEMUBH *next;
6110};
6111
6112static QEMUBH *first_bh = NULL;
6113
6114QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
6115{
6116 QEMUBH *bh;
6117 bh = qemu_mallocz(sizeof(QEMUBH));
6118 if (!bh)
6119 return NULL;
6120 bh->cb = cb;
6121 bh->opaque = opaque;
6122 return bh;
6123}
6124
6eb5733a 6125int qemu_bh_poll(void)
83f64091
FB		 6126{
6127 QEMUBH *bh, **pbh;
6eb5733a 6128 int ret;
83f64091 6129
6eb5733a 6130 ret = 0;
83f64091
FB		 6131 for(;;) {
6132 pbh = &first_bh;
6133 bh = *pbh;
6134 if (!bh)
6135 break;
6eb5733a 6136 ret = 1;
83f64091
FB		 6137 *pbh = bh->next;
6138 bh->scheduled = 0;
6139 bh->cb(bh->opaque);
6140 }
6eb5733a 6141 return ret;
83f64091
FB		 6142}
6143
6144void qemu_bh_schedule(QEMUBH *bh)
6145{
6146 CPUState *env = cpu_single_env;
6147 if (bh->scheduled)
6148 return;
6149 bh->scheduled = 1;
6150 bh->next = first_bh;
6151 first_bh = bh;
6152
6153 /* stop the currently executing CPU to execute the BH ASAP */
6154 if (env) {
6155 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
6156 }
6157}
6158
6159void qemu_bh_cancel(QEMUBH *bh)
6160{
6161 QEMUBH **pbh;
6162 if (bh->scheduled) {
6163 pbh = &first_bh;
6164 while (*pbh != bh)
6165 pbh = &(*pbh)->next;
6166 *pbh = bh->next;
6167 bh->scheduled = 0;
6168 }
6169}
6170
6171void qemu_bh_delete(QEMUBH *bh)
6172{
6173 qemu_bh_cancel(bh);
6174 qemu_free(bh);
6175}
6176
cc1daa40
FB		 6177/***********************************************************/
6178/* machine registration */
6179
6180QEMUMachine *first_machine = NULL;
6181
6182int qemu_register_machine(QEMUMachine *m)
6183{
6184 QEMUMachine **pm;
6185 pm = &first_machine;
6186 while (*pm != NULL)
6187 pm = &(*pm)->next;
6188 m->next = NULL;
6189 *pm = m;
6190 return 0;
6191}
6192
6193QEMUMachine *find_machine(const char *name)
6194{
6195 QEMUMachine *m;
6196
6197 for(m = first_machine; m != NULL; m = m->next) {
6198 if (!strcmp(m->name, name))
6199 return m;
6200 }
6201 return NULL;
6202}
6203
8a7ddc38
FB		 6204/***********************************************************/
6205/* main execution loop */
6206
6207void gui_update(void *opaque)
6208{
740733bb
TS		 6209 DisplayState *ds = opaque;
6210 ds->dpy_refresh(ds);
6211 qemu_mod_timer(ds->gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
8a7ddc38
FB		 6212}
6213
0bd48850
FB		 6214struct vm_change_state_entry {
6215 VMChangeStateHandler *cb;
6216 void *opaque;
6217 LIST_ENTRY (vm_change_state_entry) entries;
6218};
6219
6220static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
6221
6222VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
6223 void *opaque)
6224{
6225 VMChangeStateEntry *e;
6226
6227 e = qemu_mallocz(sizeof (*e));
6228 if (!e)
6229 return NULL;
6230
6231 e->cb = cb;
6232 e->opaque = opaque;
6233 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
6234 return e;
6235}
6236
6237void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
6238{
6239 LIST_REMOVE (e, entries);
6240 qemu_free (e);
6241}
6242
6243static void vm_state_notify(int running)
6244{
6245 VMChangeStateEntry *e;
6246
6247 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
6248 e->cb(e->opaque, running);
6249 }
6250}
6251
8a7ddc38 6252/* XXX: support several handlers */
0bd48850
FB		 6253static VMStopHandler *vm_stop_cb;
6254static void *vm_stop_opaque;
8a7ddc38
FB		 6255
6256int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
6257{
6258 vm_stop_cb = cb;
6259 vm_stop_opaque = opaque;
6260 return 0;
6261}
6262
6263void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
6264{
6265 vm_stop_cb = NULL;
6266}
6267
6268void vm_start(void)
6269{
6270 if (!vm_running) {
6271 cpu_enable_ticks();
6272 vm_running = 1;
0bd48850 6273 vm_state_notify(1);
8a7ddc38
FB		 6274 }
6275}
6276
6277void vm_stop(int reason)
6278{
6279 if (vm_running) {
6280 cpu_disable_ticks();
6281 vm_running = 0;
6282 if (reason != 0) {
6283 if (vm_stop_cb) {
6284 vm_stop_cb(vm_stop_opaque, reason);
6285 }
34865134 6286 }
0bd48850 6287 vm_state_notify(0);
8a7ddc38
FB		 6288 }
6289}
6290
bb0c6722
FB		 6291/* reset/shutdown handler */
6292
6293typedef struct QEMUResetEntry {
6294 QEMUResetHandler *func;
6295 void *opaque;
6296 struct QEMUResetEntry *next;
6297} QEMUResetEntry;
6298
6299static QEMUResetEntry *first_reset_entry;
6300static int reset_requested;
6301static int shutdown_requested;
3475187d 6302static int powerdown_requested;
bb0c6722
FB		 6303
6304void qemu_register_reset(QEMUResetHandler *func, void *opaque)
6305{
6306 QEMUResetEntry **pre, *re;
6307
6308 pre = &first_reset_entry;
6309 while (*pre != NULL)
6310 pre = &(*pre)->next;
6311 re = qemu_mallocz(sizeof(QEMUResetEntry));
6312 re->func = func;
6313 re->opaque = opaque;
6314 re->next = NULL;
6315 *pre = re;
6316}
6317
52f61fde 6318static void qemu_system_reset(void)
bb0c6722
FB		 6319{
6320 QEMUResetEntry *re;
6321
6322 /* reset all devices */
6323 for(re = first_reset_entry; re != NULL; re = re->next) {
6324 re->func(re->opaque);
6325 }
6326}
6327
6328void qemu_system_reset_request(void)
6329{
d1beab82
FB		 6330 if (no_reboot) {
6331 shutdown_requested = 1;
6332 } else {
6333 reset_requested = 1;
6334 }
6a00d601
FB		 6335 if (cpu_single_env)
6336 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
bb0c6722
FB		 6337}
6338
6339void qemu_system_shutdown_request(void)
6340{
6341 shutdown_requested = 1;
6a00d601
FB		 6342 if (cpu_single_env)
6343 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
bb0c6722
FB		 6344}
6345
3475187d
FB		 6346void qemu_system_powerdown_request(void)
6347{
6348 powerdown_requested = 1;
6a00d601
FB		 6349 if (cpu_single_env)
6350 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
bb0c6722
FB		 6351}
6352
5905b2e5 6353void main_loop_wait(int timeout)
8a7ddc38 6354{
cafffd40 6355 IOHandlerRecord *ioh;
e035649e 6356 fd_set rfds, wfds, xfds;
877cf882
TS		 6357 int ret, nfds;
6358#ifdef _WIN32
6359 int ret2, i;
6360#endif
fd1dff4b 6361 struct timeval tv;
f331110f
FB		 6362 PollingEntry *pe;
6363
c4b1fcc0 6364
f331110f
FB		 6365 /* XXX: need to suppress polling by better using win32 events */
6366 ret = 0;
6367 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
6368 ret |= pe->func(pe->opaque);
6369 }
38e205a2 6370#ifdef _WIN32
e6b1e558 6371 if (ret == 0) {
a18e524a
FB		 6372 int err;
6373 WaitObjects *w = &wait_objects;
6374
6375 ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout);
6376 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
6377 if (w->func[ret - WAIT_OBJECT_0])
6378 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
e6b1e558
TS		 6379
6380 /* Check for additional signaled events */
6381 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
6382
6383 /* Check if event is signaled */
6384 ret2 = WaitForSingleObject(w->events[i], 0);
6385 if(ret2 == WAIT_OBJECT_0) {
6386 if (w->func[i])
6387 w->func[i](w->opaque[i]);
6388 } else if (ret2 == WAIT_TIMEOUT) {
6389 } else {
6390 err = GetLastError();
6391 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
6392 }
6393 }
a18e524a
FB		 6394 } else if (ret == WAIT_TIMEOUT) {
6395 } else {
6396 err = GetLastError();
e6b1e558 6397 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
a18e524a 6398 }
f331110f 6399 }
fd1dff4b
FB		 6400#endif
6401 /* poll any events */
6402 /* XXX: separate device handlers from system ones */
6403 nfds = -1;
6404 FD_ZERO(&rfds);
6405 FD_ZERO(&wfds);
e035649e 6406 FD_ZERO(&xfds);
fd1dff4b 6407 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
cafffd40
TS		 6408 if (ioh->deleted)
6409 continue;
fd1dff4b
FB		 6410 if (ioh->fd_read &&
6411 (!ioh->fd_read_poll ||
6412 ioh->fd_read_poll(ioh->opaque) != 0)) {
6413 FD_SET(ioh->fd, &rfds);
6414 if (ioh->fd > nfds)
6415 nfds = ioh->fd;
6416 }
6417 if (ioh->fd_write) {
6418 FD_SET(ioh->fd, &wfds);
6419 if (ioh->fd > nfds)
6420 nfds = ioh->fd;
6421 }
6422 }
6423
6424 tv.tv_sec = 0;
6425#ifdef _WIN32
6426 tv.tv_usec = 0;
38e205a2 6427#else
fd1dff4b
FB		 6428 tv.tv_usec = timeout * 1000;
6429#endif
e035649e
FB		 6430#if defined(CONFIG_SLIRP)
6431 if (slirp_inited) {
6432 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
6433 }
6434#endif
6435 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
fd1dff4b 6436 if (ret > 0) {
cafffd40
TS		 6437 IOHandlerRecord **pioh;
6438
6439 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
6440 if (ioh->deleted)
6441 continue;
fd1dff4b
FB		 6442 if (FD_ISSET(ioh->fd, &rfds)) {
6443 ioh->fd_read(ioh->opaque);
7c9d8e07 6444 }
fd1dff4b
FB		 6445 if (FD_ISSET(ioh->fd, &wfds)) {
6446 ioh->fd_write(ioh->opaque);
c4b1fcc0 6447 }
b4608c04 6448 }
cafffd40
TS		 6449
6450 /* remove deleted IO handlers */
6451 pioh = &first_io_handler;
6452 while (*pioh) {
6453 ioh = *pioh;
6454 if (ioh->deleted) {
6455 *pioh = ioh->next;
6456 qemu_free(ioh);
6457 } else
6458 pioh = &ioh->next;
6459 }
fd1dff4b 6460 }
c20709aa 6461#if defined(CONFIG_SLIRP)
fd1dff4b 6462 if (slirp_inited) {
e035649e
FB		 6463 if (ret < 0) {
6464 FD_ZERO(&rfds);
6465 FD_ZERO(&wfds);
6466 FD_ZERO(&xfds);
c20709aa 6467 }
e035649e 6468 slirp_select_poll(&rfds, &wfds, &xfds);
fd1dff4b 6469 }
e035649e 6470#endif
83f64091 6471 qemu_aio_poll();
b4608c04 6472
fd1dff4b
FB		 6473 if (vm_running) {
6474 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
6475 qemu_get_clock(vm_clock));
6476 /* run dma transfers, if any */
6477 DMA_run();
6478 }
423f0742 6479
fd1dff4b
FB		 6480 /* real time timers */
6481 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
6482 qemu_get_clock(rt_clock));
423f0742
PB		 6483
6484 /* Check bottom-halves last in case any of the earlier events triggered
6485 them. */
6486 qemu_bh_poll();
6487
5905b2e5
FB		 6488}
6489
6a00d601
FB		 6490static CPUState *cur_cpu;
6491
5905b2e5
FB		 6492int main_loop(void)
6493{
6494 int ret, timeout;
89bfc105
FB		 6495#ifdef CONFIG_PROFILER
6496 int64_t ti;
6497#endif
6a00d601 6498 CPUState *env;
5905b2e5 6499
6a00d601 6500 cur_cpu = first_cpu;
5905b2e5
FB		 6501 for(;;) {
6502 if (vm_running) {
15a76449
FB		 6503
6504 env = cur_cpu;
6505 for(;;) {
6506 /* get next cpu */
6507 env = env->next_cpu;
6508 if (!env)
6509 env = first_cpu;
89bfc105
FB		 6510#ifdef CONFIG_PROFILER
6511 ti = profile_getclock();
6512#endif
6a00d601 6513 ret = cpu_exec(env);
89bfc105
FB		 6514#ifdef CONFIG_PROFILER
6515 qemu_time += profile_getclock() - ti;
6516#endif
bd967e05
PB		 6517 if (ret == EXCP_HLT) {
6518 /* Give the next CPU a chance to run. */
6519 cur_cpu = env;
6520 continue;
6521 }
15a76449
FB		 6522 if (ret != EXCP_HALTED)
6523 break;
6524 /* all CPUs are halted ? */
bd967e05 6525 if (env == cur_cpu)
15a76449 6526 break;
15a76449
FB		 6527 }
6528 cur_cpu = env;
6529
5905b2e5 6530 if (shutdown_requested) {
3475187d 6531 ret = EXCP_INTERRUPT;
5905b2e5
FB		 6532 break;
6533 }
6534 if (reset_requested) {
6535 reset_requested = 0;
6536 qemu_system_reset();
3475187d
FB		 6537 ret = EXCP_INTERRUPT;
6538 }
6539 if (powerdown_requested) {
6540 powerdown_requested = 0;
6541 qemu_system_powerdown();
6542 ret = EXCP_INTERRUPT;
5905b2e5
FB		 6543 }
6544 if (ret == EXCP_DEBUG) {
6545 vm_stop(EXCP_DEBUG);
6546 }
bd967e05 6547 /* If all cpus are halted then wait until the next IRQ */
5905b2e5 6548 /* XXX: use timeout computed from timers */
bd967e05 6549 if (ret == EXCP_HALTED)
5905b2e5
FB		 6550 timeout = 10;
6551 else
6552 timeout = 0;
6553 } else {
6554 timeout = 10;
6555 }
89bfc105
FB		 6556#ifdef CONFIG_PROFILER
6557 ti = profile_getclock();
6558#endif
5905b2e5 6559 main_loop_wait(timeout);
89bfc105
FB		 6560#ifdef CONFIG_PROFILER
6561 dev_time += profile_getclock() - ti;
6562#endif
b4608c04 6563 }
34865134
FB		 6564 cpu_disable_ticks();
6565 return ret;
b4608c04
FB		 6566}
6567
0824d6fc
FB		 6568void help(void)
6569{
84f2e8ef 6570 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
0db63474 6571 "usage: %s [options] [disk_image]\n"
0824d6fc 6572 "\n"
a20dd508 6573 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
fc01f7e7 6574 "\n"
a20dd508 6575 "Standard options:\n"
cc1daa40 6576 "-M machine select emulated machine (-M ? for list)\n"
5adb4839 6577 "-cpu cpu select CPU (-cpu ? for list)\n"
c45886db 6578 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
36b486bb
FB		 6579 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
6580 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
c4b1fcc0 6581 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
3e3d5815 6582 "-mtdblock file use 'file' as on-board Flash memory image\n"
a1bb27b1 6583 "-sd file use 'file' as SecureDigital card image\n"
86f55663 6584 "-pflash file use 'file' as a parallel flash image\n"
eec85c2a 6585 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
667accab
TS		 6586 "-snapshot write to temporary files instead of disk image files\n"
6587#ifdef CONFIG_SDL
43523e93 6588 "-no-frame open SDL window without a frame and window decorations\n"
3780e197 6589 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
667accab
TS		 6590 "-no-quit disable SDL window close capability\n"
6591#endif
52ca8d6a
FB		 6592#ifdef TARGET_I386
6593 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
6594#endif
a00bad7e 6595 "-m megs set virtual RAM size to megs MB [default=%d]\n"
91fc2119 6596 "-smp n set the number of CPUs to 'n' [default=1]\n"
c4b1fcc0 6597 "-nographic disable graphical output and redirect serial I/Os to console\n"
a171fe39 6598 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
4ca0074c 6599#ifndef _WIN32
667accab 6600 "-k language use keyboard layout (for example \"fr\" for French)\n"
4ca0074c 6601#endif
1d14ffa9 6602#ifdef HAS_AUDIO
1d14ffa9 6603 "-audio-help print list of audio drivers and their options\n"
c0fe3827
FB		 6604 "-soundhw c1,... enable audio support\n"
6605 " and only specified sound cards (comma separated list)\n"
6606 " use -soundhw ? to get the list of supported cards\n"
6a36d84e 6607 " use -soundhw all to enable all of them\n"
1d14ffa9 6608#endif
89980284 6609 "-localtime set the real time clock to local time [default=utc]\n"
d63d307f 6610 "-full-screen start in full screen\n"
a09db21f
FB		 6611#ifdef TARGET_I386
6612 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
6613#endif
b389dbfb
FB		 6614 "-usb enable the USB driver (will be the default soon)\n"
6615 "-usbdevice name add the host or guest USB device 'name'\n"
6f7e9aec
FB		 6616#if defined(TARGET_PPC) || defined(TARGET_SPARC)
6617 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
bb0c6722 6618#endif
c35734b2 6619 "-name string set the name of the guest\n"
c4b1fcc0
FB		 6620 "\n"
6621 "Network options:\n"
a41b2ff2 6622 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
7c9d8e07 6623 " create a new Network Interface Card and connect it to VLAN 'n'\n"
c20709aa 6624#ifdef CONFIG_SLIRP
115defd1
PB		 6625 "-net user[,vlan=n][,hostname=host]\n"
6626 " connect the user mode network stack to VLAN 'n' and send\n"
6627 " hostname 'host' to DHCP clients\n"
7c9d8e07 6628#endif
7fb843f8
FB		 6629#ifdef _WIN32
6630 "-net tap[,vlan=n],ifname=name\n"
6631 " connect the host TAP network interface to VLAN 'n'\n"
6632#else
7c9d8e07
FB		 6633 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n"
6634 " connect the host TAP network interface to VLAN 'n' and use\n"
6635 " the network script 'file' (default=%s);\n"
6a1cbf68 6636 " use 'script=no' to disable script execution;\n"
7c9d8e07 6637 " use 'fd=h' to connect to an already opened TAP interface\n"
7fb843f8 6638#endif
6a00d601 6639 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
7c9d8e07 6640 " connect the vlan 'n' to another VLAN using a socket connection\n"
3d830459
FB		 6641 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
6642 " connect the vlan 'n' to multicast maddr and port\n"
7c9d8e07
FB		 6643 "-net none use it alone to have zero network devices; if no -net option\n"
6644 " is provided, the default is '-net nic -net user'\n"
6645 "\n"
6646#ifdef CONFIG_SLIRP
0db1137d 6647 "-tftp dir allow tftp access to files in dir [-net user]\n"
47d5d01a 6648 "-bootp file advertise file in BOOTP replies\n"
7c9d8e07
FB		 6649#ifndef _WIN32
6650 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
c94c8d64 6651#endif
9bf05444 6652 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
7c9d8e07 6653 " redirect TCP or UDP connections from host to guest [-net user]\n"
c20709aa 6654#endif
a20dd508 6655 "\n"
c4b1fcc0 6656 "Linux boot specific:\n"
a20dd508
FB		 6657 "-kernel bzImage use 'bzImage' as kernel image\n"
6658 "-append cmdline use 'cmdline' as kernel command line\n"
6659 "-initrd file use 'file' as initial ram disk\n"
fc01f7e7 6660 "\n"
330d0414 6661 "Debug/Expert options:\n"
82c643ff
FB		 6662 "-monitor dev redirect the monitor to char device 'dev'\n"
6663 "-serial dev redirect the serial port to char device 'dev'\n"
6508fe59 6664 "-parallel dev redirect the parallel port to char device 'dev'\n"
f7cce898 6665 "-pidfile file Write PID to 'file'\n"
cd6f1169 6666 "-S freeze CPU at startup (use 'c' to start execution)\n"
cfc3475a
PB		 6667 "-s wait gdb connection to port\n"
6668 "-p port set gdb connection port [default=%s]\n"
f193c797 6669 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
46d4767d
FB		 6670 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
6671 " translation (t=none or lba) (usually qemu can guess them)\n"
87b47350 6672 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
d993e026 6673#ifdef USE_KQEMU
6515b203 6674 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
d993e026
FB		 6675 "-no-kqemu disable KQEMU kernel module usage\n"
6676#endif
77fef8c1
FB		 6677#ifdef USE_CODE_COPY
6678 "-no-code-copy disable code copy acceleration\n"
6679#endif
bb0c6722 6680#ifdef TARGET_I386
1bfe856e
FB		 6681 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
6682 " (default is CL-GD5446 PCI VGA)\n"
6515b203 6683 "-no-acpi disable ACPI\n"
bb0c6722 6684#endif
d1beab82 6685 "-no-reboot exit instead of rebooting\n"
d63d307f 6686 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
24236869 6687 "-vnc display start a VNC server on display\n"
71e3ceb8
TS		 6688#ifndef _WIN32
6689 "-daemonize daemonize QEMU after initializing\n"
6690#endif
9ae02555 6691 "-option-rom rom load a file, rom, into the option ROM space\n"
66508601
BS		 6692#ifdef TARGET_SPARC
6693 "-prom-env variable=value set OpenBIOS nvram variables\n"
6694#endif
0824d6fc 6695 "\n"
82c643ff 6696 "During emulation, the following keys are useful:\n"
032a8c9e
FB		 6697 "ctrl-alt-f toggle full screen\n"
6698 "ctrl-alt-n switch to virtual console 'n'\n"
6699 "ctrl-alt toggle mouse and keyboard grab\n"
82c643ff
FB		 6700 "\n"
6701 "When using -nographic, press 'ctrl-a h' to get some help.\n"
6702 ,
0db63474 6703 "qemu",
a00bad7e 6704 DEFAULT_RAM_SIZE,
7c9d8e07 6705#ifndef _WIN32
a00bad7e 6706 DEFAULT_NETWORK_SCRIPT,
7c9d8e07 6707#endif
6e44ba7f
FB		 6708 DEFAULT_GDBSTUB_PORT,
6709 "/tmp/qemu.log");
35cc6f8b 6710 exit(strcmp(optarg, "?"));
0824d6fc
FB		 6711}
6712
cd6f1169
FB		 6713#define HAS_ARG 0x0001
6714
6715enum {
6716 QEMU_OPTION_h,
6717
cc1daa40 6718 QEMU_OPTION_M,
94fc95cd 6719 QEMU_OPTION_cpu,
cd6f1169
FB		 6720 QEMU_OPTION_fda,
6721 QEMU_OPTION_fdb,
6722 QEMU_OPTION_hda,
6723 QEMU_OPTION_hdb,
6724 QEMU_OPTION_hdc,
6725 QEMU_OPTION_hdd,
6726 QEMU_OPTION_cdrom,
3e3d5815 6727 QEMU_OPTION_mtdblock,
a1bb27b1 6728 QEMU_OPTION_sd,
86f55663 6729 QEMU_OPTION_pflash,
cd6f1169
FB		 6730 QEMU_OPTION_boot,
6731 QEMU_OPTION_snapshot,
52ca8d6a
FB		 6732#ifdef TARGET_I386
6733 QEMU_OPTION_no_fd_bootchk,
6734#endif
cd6f1169
FB		 6735 QEMU_OPTION_m,
6736 QEMU_OPTION_nographic,
a171fe39 6737 QEMU_OPTION_portrait,
1d14ffa9 6738#ifdef HAS_AUDIO
1d14ffa9
FB		 6739 QEMU_OPTION_audio_help,
6740 QEMU_OPTION_soundhw,
6741#endif
cd6f1169 6742
7c9d8e07 6743 QEMU_OPTION_net,
c7f74643 6744 QEMU_OPTION_tftp,
47d5d01a 6745 QEMU_OPTION_bootp,
9d728e8c 6746 QEMU_OPTION_smb,
9bf05444 6747 QEMU_OPTION_redir,
cd6f1169
FB		 6748
6749 QEMU_OPTION_kernel,
6750 QEMU_OPTION_append,
6751 QEMU_OPTION_initrd,
6752
6753 QEMU_OPTION_S,
6754 QEMU_OPTION_s,
6755 QEMU_OPTION_p,
6756 QEMU_OPTION_d,
6757 QEMU_OPTION_hdachs,
6758 QEMU_OPTION_L,
6759 QEMU_OPTION_no_code_copy,
3d11d0eb 6760 QEMU_OPTION_k,
ee22c2f7 6761 QEMU_OPTION_localtime,
1f04275e 6762 QEMU_OPTION_cirrusvga,
d34cab9f 6763 QEMU_OPTION_vmsvga,
e9b137c2 6764 QEMU_OPTION_g,
1bfe856e 6765 QEMU_OPTION_std_vga,
20d8a3ed 6766 QEMU_OPTION_echr,
82c643ff
FB		 6767 QEMU_OPTION_monitor,
6768 QEMU_OPTION_serial,
6508fe59 6769 QEMU_OPTION_parallel,
d63d307f
FB		 6770 QEMU_OPTION_loadvm,
6771 QEMU_OPTION_full_screen,
43523e93 6772 QEMU_OPTION_no_frame,
3780e197 6773 QEMU_OPTION_alt_grab,
667accab 6774 QEMU_OPTION_no_quit,
f7cce898 6775 QEMU_OPTION_pidfile,
d993e026 6776 QEMU_OPTION_no_kqemu,
89bfc105 6777 QEMU_OPTION_kernel_kqemu,
a09db21f 6778 QEMU_OPTION_win2k_hack,
bb36d470 6779 QEMU_OPTION_usb,
a594cfbf 6780 QEMU_OPTION_usbdevice,
6a00d601 6781 QEMU_OPTION_smp,
24236869 6782 QEMU_OPTION_vnc,
6515b203 6783 QEMU_OPTION_no_acpi,
d1beab82 6784 QEMU_OPTION_no_reboot,
9467cd46 6785 QEMU_OPTION_show_cursor,
71e3ceb8 6786 QEMU_OPTION_daemonize,
9ae02555 6787 QEMU_OPTION_option_rom,
c35734b2
TS		 6788 QEMU_OPTION_semihosting,
6789 QEMU_OPTION_name,
66508601 6790 QEMU_OPTION_prom_env,
cd6f1169
FB		 6791};
6792
6793typedef struct QEMUOption {
6794 const char *name;
6795 int flags;
6796 int index;
6797} QEMUOption;
6798
6799const QEMUOption qemu_options[] = {
6800 { "h", 0, QEMU_OPTION_h },
64423fb2 6801 { "help", 0, QEMU_OPTION_h },
cd6f1169 6802
cc1daa40 6803 { "M", HAS_ARG, QEMU_OPTION_M },
94fc95cd 6804 { "cpu", HAS_ARG, QEMU_OPTION_cpu },
cd6f1169
FB		 6805 { "fda", HAS_ARG, QEMU_OPTION_fda },
6806 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
6807 { "hda", HAS_ARG, QEMU_OPTION_hda },
6808 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
6809 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
6810 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
6811 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
3e3d5815 6812 { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
a1bb27b1 6813 { "sd", HAS_ARG, QEMU_OPTION_sd },
86f55663 6814 { "pflash", HAS_ARG, QEMU_OPTION_pflash },
cd6f1169
FB		 6815 { "boot", HAS_ARG, QEMU_OPTION_boot },
6816 { "snapshot", 0, QEMU_OPTION_snapshot },
52ca8d6a
FB		 6817#ifdef TARGET_I386
6818 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
6819#endif
cd6f1169
FB		 6820 { "m", HAS_ARG, QEMU_OPTION_m },
6821 { "nographic", 0, QEMU_OPTION_nographic },
a171fe39 6822 { "portrait", 0, QEMU_OPTION_portrait },
3d11d0eb 6823 { "k", HAS_ARG, QEMU_OPTION_k },
1d14ffa9 6824#ifdef HAS_AUDIO
1d14ffa9
FB		 6825 { "audio-help", 0, QEMU_OPTION_audio_help },
6826 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
6827#endif
cd6f1169 6828
7c9d8e07 6829 { "net", HAS_ARG, QEMU_OPTION_net},
158156d1 6830#ifdef CONFIG_SLIRP
c7f74643 6831 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
47d5d01a 6832 { "bootp", HAS_ARG, QEMU_OPTION_bootp },
c94c8d64 6833#ifndef _WIN32
9d728e8c 6834 { "smb", HAS_ARG, QEMU_OPTION_smb },
c94c8d64 6835#endif
9bf05444 6836 { "redir", HAS_ARG, QEMU_OPTION_redir },
158156d1 6837#endif
cd6f1169
FB		 6838
6839 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
6840 { "append", HAS_ARG, QEMU_OPTION_append },
6841 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
6842
6843 { "S", 0, QEMU_OPTION_S },
6844 { "s", 0, QEMU_OPTION_s },
6845 { "p", HAS_ARG, QEMU_OPTION_p },
6846 { "d", HAS_ARG, QEMU_OPTION_d },
6847 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
6848 { "L", HAS_ARG, QEMU_OPTION_L },
6849 { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
d993e026
FB		 6850#ifdef USE_KQEMU
6851 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
89bfc105 6852 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
d993e026 6853#endif
6f7e9aec 6854#if defined(TARGET_PPC) || defined(TARGET_SPARC)
e9b137c2 6855 { "g", 1, QEMU_OPTION_g },
77d4bc34 6856#endif
ee22c2f7 6857 { "localtime", 0, QEMU_OPTION_localtime },
1bfe856e 6858 { "std-vga", 0, QEMU_OPTION_std_vga },
8b6e0729
AZ		 6859 { "echr", HAS_ARG, QEMU_OPTION_echr },
6860 { "monitor", HAS_ARG, QEMU_OPTION_monitor },
6861 { "serial", HAS_ARG, QEMU_OPTION_serial },
6862 { "parallel", HAS_ARG, QEMU_OPTION_parallel },
d63d307f
FB		 6863 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
6864 { "full-screen", 0, QEMU_OPTION_full_screen },
667accab 6865#ifdef CONFIG_SDL
43523e93 6866 { "no-frame", 0, QEMU_OPTION_no_frame },
3780e197 6867 { "alt-grab", 0, QEMU_OPTION_alt_grab },
667accab
TS		 6868 { "no-quit", 0, QEMU_OPTION_no_quit },
6869#endif
f7cce898 6870 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
a09db21f 6871 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
a594cfbf 6872 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
6a00d601 6873 { "smp", HAS_ARG, QEMU_OPTION_smp },
24236869 6874 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
96d30e48 6875
1f04275e 6876 /* temporary options */
a594cfbf 6877 { "usb", 0, QEMU_OPTION_usb },
1f04275e 6878 { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
d34cab9f 6879 { "vmwarevga", 0, QEMU_OPTION_vmsvga },
6515b203 6880 { "no-acpi", 0, QEMU_OPTION_no_acpi },
d1beab82 6881 { "no-reboot", 0, QEMU_OPTION_no_reboot },
9467cd46 6882 { "show-cursor", 0, QEMU_OPTION_show_cursor },
71e3ceb8 6883 { "daemonize", 0, QEMU_OPTION_daemonize },
9ae02555 6884 { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
a87295e8 6885#if defined(TARGET_ARM) || defined(TARGET_M68K)
8e71621f
PB		 6886 { "semihosting", 0, QEMU_OPTION_semihosting },
6887#endif
c35734b2 6888 { "name", HAS_ARG, QEMU_OPTION_name },
66508601
BS		 6889#if defined(TARGET_SPARC)
6890 { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
6891#endif
cd6f1169 6892 { NULL },
fc01f7e7
FB		 6893};
6894
77fef8c1
FB		 6895#if defined (TARGET_I386) && defined(USE_CODE_COPY)
6896
6897/* this stack is only used during signal handling */
6898#define SIGNAL_STACK_SIZE 32768
6899
6900static uint8_t *signal_stack;
6901
6902#endif
6903
5905b2e5
FB		 6904/* password input */
6905
2bac6019
AZ		 6906int qemu_key_check(BlockDriverState *bs, const char *name)
6907{
6908 char password[256];
6909 int i;
6910
6911 if (!bdrv_is_encrypted(bs))
6912 return 0;
6913
6914 term_printf("%s is encrypted.\n", name);
6915 for(i = 0; i < 3; i++) {
6916 monitor_readline("Password: ", 1, password, sizeof(password));
6917 if (bdrv_set_key(bs, password) == 0)
6918 return 0;
6919 term_printf("invalid password\n");
6920 }
6921 return -EPERM;
6922}
6923
5905b2e5
FB		 6924static BlockDriverState *get_bdrv(int index)
6925{
6926 BlockDriverState *bs;
6927
6928 if (index < 4) {
6929 bs = bs_table[index];
6930 } else if (index < 6) {
6931 bs = fd_table[index - 4];
6932 } else {
6933 bs = NULL;
6934 }
6935 return bs;
6936}
6937
6938static void read_passwords(void)
6939{
6940 BlockDriverState *bs;
2bac6019 6941 int i;
5905b2e5
FB		 6942
6943 for(i = 0; i < 6; i++) {
6944 bs = get_bdrv(i);
2bac6019
AZ		 6945 if (bs)
6946 qemu_key_check(bs, bdrv_get_device_name(bs));
5905b2e5
FB		 6947 }
6948}
6949
cc1daa40
FB		 6950/* XXX: currently we cannot use simultaneously different CPUs */
6951void register_machines(void)
6952{
6953#if defined(TARGET_I386)
6954 qemu_register_machine(&pc_machine);
3dbbdc25 6955 qemu_register_machine(&isapc_machine);
cc1daa40
FB		 6956#elif defined(TARGET_PPC)
6957 qemu_register_machine(&heathrow_machine);
6958 qemu_register_machine(&core99_machine);
6959 qemu_register_machine(&prep_machine);
1a6c0886
JM		 6960 qemu_register_machine(&ref405ep_machine);
6961 qemu_register_machine(&taihu_machine);
6af0bf9c
FB		 6962#elif defined(TARGET_MIPS)
6963 qemu_register_machine(&mips_machine);
5856de80 6964 qemu_register_machine(&mips_malta_machine);
ad6fe1d2 6965 qemu_register_machine(&mips_pica61_machine);
cc1daa40 6966#elif defined(TARGET_SPARC)
3475187d
FB		 6967#ifdef TARGET_SPARC64
6968 qemu_register_machine(&sun4u_machine);
6969#else
36cd9210 6970 qemu_register_machine(&ss5_machine);
e0353fe2 6971 qemu_register_machine(&ss10_machine);
cc1daa40 6972#endif
b5ff1b31 6973#elif defined(TARGET_ARM)
3371d272 6974 qemu_register_machine(&integratorcp_machine);
cdbdb648 6975 qemu_register_machine(&versatilepb_machine);
16406950 6976 qemu_register_machine(&versatileab_machine);
e69954b9 6977 qemu_register_machine(&realview_machine);
b00052e4
AZ		 6978 qemu_register_machine(&akitapda_machine);
6979 qemu_register_machine(&spitzpda_machine);
6980 qemu_register_machine(&borzoipda_machine);
6981 qemu_register_machine(&terrierpda_machine);
27c7ca7e
FB		 6982#elif defined(TARGET_SH4)
6983 qemu_register_machine(&shix_machine);
eddf68a6
JM		 6984#elif defined(TARGET_ALPHA)
6985 /* XXX: TODO */
0633879f 6986#elif defined(TARGET_M68K)
20dcee94 6987 qemu_register_machine(&mcf5208evb_machine);
0633879f 6988 qemu_register_machine(&an5206_machine);
b5ff1b31
FB		 6989#else
6990#error unsupported CPU
3475187d 6991#endif
cc1daa40
FB		 6992}
6993
1d14ffa9 6994#ifdef HAS_AUDIO
6a36d84e 6995struct soundhw soundhw[] = {
b00052e4 6996#ifdef HAS_AUDIO_CHOICE
fd06c375
FB		 6997#ifdef TARGET_I386
6998 {
6999 "pcspk",
7000 "PC speaker",
7001 0,
7002 1,
7003 { .init_isa = pcspk_audio_init }
7004 },
7005#endif
6a36d84e
FB		 7006 {
7007 "sb16",
7008 "Creative Sound Blaster 16",
7009 0,
7010 1,
7011 { .init_isa = SB16_init }
7012 },
7013
1d14ffa9 7014#ifdef CONFIG_ADLIB
6a36d84e
FB		 7015 {
7016 "adlib",
1d14ffa9 7017#ifdef HAS_YMF262
6a36d84e 7018 "Yamaha YMF262 (OPL3)",
1d14ffa9 7019#else
6a36d84e 7020 "Yamaha YM3812 (OPL2)",
1d14ffa9 7021#endif
6a36d84e
FB		 7022 0,
7023 1,
7024 { .init_isa = Adlib_init }
7025 },
1d14ffa9 7026#endif
6a36d84e 7027
1d14ffa9 7028#ifdef CONFIG_GUS
6a36d84e
FB		 7029 {
7030 "gus",
7031 "Gravis Ultrasound GF1",
7032 0,
7033 1,
7034 { .init_isa = GUS_init }
7035 },
1d14ffa9 7036#endif
6a36d84e
FB		 7037
7038 {
7039 "es1370",
7040 "ENSONIQ AudioPCI ES1370",
7041 0,
7042 0,
7043 { .init_pci = es1370_init }
7044 },
b00052e4 7045#endif
6a36d84e
FB		 7046
7047 { NULL, NULL, 0, 0, { NULL } }
7048};
7049
7050static void select_soundhw (const char *optarg)
7051{
7052 struct soundhw *c;
7053
7054 if (*optarg == '?') {
7055 show_valid_cards:
7056
7057 printf ("Valid sound card names (comma separated):\n");
7058 for (c = soundhw; c->name; ++c) {
7059 printf ("%-11s %s\n", c->name, c->descr);
7060 }
7061 printf ("\n-soundhw all will enable all of the above\n");
1d14ffa9
FB		 7062 exit (*optarg != '?');
7063 }
7064 else {
6a36d84e 7065 size_t l;
1d14ffa9
FB		 7066 const char *p;
7067 char *e;
7068 int bad_card = 0;
7069
6a36d84e
FB		 7070 if (!strcmp (optarg, "all")) {
7071 for (c = soundhw; c->name; ++c) {
7072 c->enabled = 1;
7073 }
7074 return;
7075 }
1d14ffa9 7076
6a36d84e 7077 p = optarg;
1d14ffa9
FB		 7078 while (*p) {
7079 e = strchr (p, ',');
7080 l = !e ? strlen (p) : (size_t) (e - p);
6a36d84e
FB		 7081
7082 for (c = soundhw; c->name; ++c) {
7083 if (!strncmp (c->name, p, l)) {
7084 c->enabled = 1;
1d14ffa9
FB		 7085 break;
7086 }
7087 }
6a36d84e
FB		 7088
7089 if (!c->name) {
1d14ffa9
FB		 7090 if (l > 80) {
7091 fprintf (stderr,
7092 "Unknown sound card name (too big to show)\n");
7093 }
7094 else {
7095 fprintf (stderr, "Unknown sound card name `%.*s'\n",
7096 (int) l, p);
7097 }
7098 bad_card = 1;
7099 }
7100 p += l + (e != NULL);
7101 }
7102
7103 if (bad_card)
7104 goto show_valid_cards;
7105 }
7106}
7107#endif
7108
3587d7e6
FB		 7109#ifdef _WIN32
7110static BOOL WINAPI qemu_ctrl_handler(DWORD type)
7111{
7112 exit(STATUS_CONTROL_C_EXIT);
7113 return TRUE;
7114}
7115#endif
7116
7c9d8e07 7117#define MAX_NET_CLIENTS 32
c20709aa 7118
0824d6fc
FB		 7119int main(int argc, char **argv)
7120{
67b915a5 7121#ifdef CONFIG_GDBSTUB
cfc3475a
PB		 7122 int use_gdbstub;
7123 const char *gdbstub_port;
67b915a5 7124#endif
86f55663 7125 int i, cdrom_index, pflash_index;
1ccde1cb 7126 int snapshot, linux_boot;
7f7f9873 7127 const char *initrd_filename;
96d30e48 7128 const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
86f55663 7129 const char *pflash_filename[MAX_PFLASH];
a1bb27b1 7130 const char *sd_filename;
3e3d5815 7131 const char *mtd_filename;
a20dd508 7132 const char *kernel_filename, *kernel_cmdline;
313aa567 7133 DisplayState *ds = &display_state;
46d4767d 7134 int cyls, heads, secs, translation;
7c9d8e07
FB		 7135 char net_clients[MAX_NET_CLIENTS][256];
7136 int nb_net_clients;
cd6f1169
FB		 7137 int optind;
7138 const char *r, *optarg;
82c643ff
FB		 7139 CharDriverState *monitor_hd;
7140 char monitor_device[128];
8d11df9e
FB		 7141 char serial_devices[MAX_SERIAL_PORTS][128];
7142 int serial_device_index;
6508fe59
FB		 7143 char parallel_devices[MAX_PARALLEL_PORTS][128];
7144 int parallel_device_index;
d63d307f 7145 const char *loadvm = NULL;
cc1daa40 7146 QEMUMachine *machine;
94fc95cd 7147 const char *cpu_model;
0d92ed30 7148 char usb_devices[MAX_USB_CMDLINE][128];
a594cfbf 7149 int usb_devices_index;
71e3ceb8 7150 int fds[2];
93815bc2 7151 const char *pid_file = NULL;
833c7174 7152 VLANState *vlan;
0bd48850
FB		 7153
7154 LIST_INIT (&vm_change_state_head);
be995c27
FB		 7155#ifndef _WIN32
7156 {
7157 struct sigaction act;
7158 sigfillset(&act.sa_mask);
7159 act.sa_flags = 0;
7160 act.sa_handler = SIG_IGN;
7161 sigaction(SIGPIPE, &act, NULL);
7162 }
3587d7e6
FB		 7163#else
7164 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
a8e5ac33
FB		 7165 /* Note: cpu_interrupt() is currently not SMP safe, so we force
7166 QEMU to run on a single CPU */
7167 {
7168 HANDLE h;
7169 DWORD mask, smask;
7170 int i;
7171 h = GetCurrentProcess();
7172 if (GetProcessAffinityMask(h, &mask, &smask)) {
7173 for(i = 0; i < 32; i++) {
7174 if (mask & (1 << i))
7175 break;
7176 }
7177 if (i != 32) {
7178 mask = 1 << i;
7179 SetProcessAffinityMask(h, mask);
7180 }
7181 }
7182 }
67b915a5 7183#endif
be995c27 7184
cc1daa40
FB		 7185 register_machines();
7186 machine = first_machine;
94fc95cd 7187 cpu_model = NULL;
fc01f7e7 7188 initrd_filename = NULL;
c45886db
FB		 7189 for(i = 0; i < MAX_FD; i++)
7190 fd_filename[i] = NULL;
96d30e48
TS		 7191 for(i = 0; i < MAX_DISKS; i++)
7192 hd_filename[i] = NULL;
86f55663
JM		 7193 for(i = 0; i < MAX_PFLASH; i++)
7194 pflash_filename[i] = NULL;
7195 pflash_index = 0;
a1bb27b1 7196 sd_filename = NULL;
3e3d5815 7197 mtd_filename = NULL;
a00bad7e 7198 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
313aa567 7199 vga_ram_size = VGA_RAM_SIZE;
67b915a5 7200#ifdef CONFIG_GDBSTUB
b4608c04 7201 use_gdbstub = 0;
c636bb66 7202 gdbstub_port = DEFAULT_GDBSTUB_PORT;
67b915a5 7203#endif
33e3963e 7204 snapshot = 0;
a20dd508
FB		 7205 nographic = 0;
7206 kernel_filename = NULL;
7207 kernel_cmdline = "";
cc1daa40
FB		 7208#ifdef TARGET_PPC
7209 cdrom_index = 1;
7210#else
7211 cdrom_index = 2;
7212#endif
c4b1fcc0 7213 cyls = heads = secs = 0;
46d4767d 7214 translation = BIOS_ATA_TRANSLATION_AUTO;
82c643ff 7215 pstrcpy(monitor_device, sizeof(monitor_device), "vc");
c4b1fcc0 7216
8d11df9e
FB		 7217 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
7218 for(i = 1; i < MAX_SERIAL_PORTS; i++)
7219 serial_devices[i][0] = '\0';
7220 serial_device_index = 0;
7221
6508fe59
FB		 7222 pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
7223 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
7224 parallel_devices[i][0] = '\0';
7225 parallel_device_index = 0;
7226
a594cfbf
FB		 7227 usb_devices_index = 0;
7228
7c9d8e07
FB		 7229 nb_net_clients = 0;
7230
7231 nb_nics = 0;
702c651c 7232 /* default mac address of the first network interface */
82c643ff 7233
cd6f1169 7234 optind = 1;
0824d6fc 7235 for(;;) {
cd6f1169 7236 if (optind >= argc)
0824d6fc 7237 break;
cd6f1169
FB		 7238 r = argv[optind];
7239 if (r[0] != '-') {
96d30e48 7240 hd_filename[0] = argv[optind++];
cd6f1169
FB		 7241 } else {
7242 const QEMUOption *popt;
7243
7244 optind++;
dff5efc8
PB		 7245 /* Treat --foo the same as -foo. */
7246 if (r[1] == '-')
7247 r++;
cd6f1169
FB		 7248 popt = qemu_options;
7249 for(;;) {
7250 if (!popt->name) {
7251 fprintf(stderr, "%s: invalid option -- '%s'\n",
7252 argv[0], r);
7253 exit(1);
7254 }
7255 if (!strcmp(popt->name, r + 1))
7256 break;
7257 popt++;
7258 }
7259 if (popt->flags & HAS_ARG) {
7260 if (optind >= argc) {
7261 fprintf(stderr, "%s: option '%s' requires an argument\n",
7262 argv[0], r);
7263 exit(1);
7264 }
7265 optarg = argv[optind++];
7266 } else {
7267 optarg = NULL;
7268 }
7269
7270 switch(popt->index) {
cc1daa40
FB		 7271 case QEMU_OPTION_M:
7272 machine = find_machine(optarg);
7273 if (!machine) {
7274 QEMUMachine *m;
7275 printf("Supported machines are:\n");
7276 for(m = first_machine; m != NULL; m = m->next) {
7277 printf("%-10s %s%s\n",
7278 m->name, m->desc,
7279 m == first_machine ? " (default)" : "");
7280 }
7281 exit(1);
7282 }
7283 break;
94fc95cd
JM		 7284 case QEMU_OPTION_cpu:
7285 /* hw initialization will check this */
7286 if (optarg[0] == '?') {
7287#if defined(TARGET_PPC)
7288 ppc_cpu_list(stdout, &fprintf);
5adb4839
PB		 7289#elif defined(TARGET_ARM)
7290 arm_cpu_list();
33d68b5f
TS		 7291#elif defined(TARGET_MIPS)
7292 mips_cpu_list(stdout, &fprintf);
62724a37
BS		 7293#elif defined(TARGET_SPARC)
7294 sparc_cpu_list(stdout, &fprintf);
94fc95cd
JM		 7295#endif
7296 exit(1);
7297 } else {
7298 cpu_model = optarg;
7299 }
7300 break;
cd6f1169 7301 case QEMU_OPTION_initrd:
fc01f7e7
FB		 7302 initrd_filename = optarg;
7303 break;
cd6f1169 7304 case QEMU_OPTION_hda:
cd6f1169 7305 case QEMU_OPTION_hdb:
cc1daa40
FB		 7306 case QEMU_OPTION_hdc:
7307 case QEMU_OPTION_hdd:
7308 {
7309 int hd_index;
7310 hd_index = popt->index - QEMU_OPTION_hda;
96d30e48
TS		 7311 hd_filename[hd_index] = optarg;
7312 if (hd_index == cdrom_index)
7313 cdrom_index = -1;
cc1daa40 7314 }
fc01f7e7 7315 break;
3e3d5815
AZ		 7316 case QEMU_OPTION_mtdblock:
7317 mtd_filename = optarg;
7318 break;
a1bb27b1
PB		 7319 case QEMU_OPTION_sd:
7320 sd_filename = optarg;
7321 break;
86f55663
JM		 7322 case QEMU_OPTION_pflash:
7323 if (pflash_index >= MAX_PFLASH) {
7324 fprintf(stderr, "qemu: too many parallel flash images\n");
7325 exit(1);
7326 }
7327 pflash_filename[pflash_index++] = optarg;
7328 break;
cd6f1169 7329 case QEMU_OPTION_snapshot:
33e3963e
FB		 7330 snapshot = 1;
7331 break;
cd6f1169 7332 case QEMU_OPTION_hdachs:
330d0414 7333 {
330d0414
FB		 7334 const char *p;
7335 p = optarg;
7336 cyls = strtol(p, (char **)&p, 0);
46d4767d
FB		 7337 if (cyls < 1 || cyls > 16383)
7338 goto chs_fail;
330d0414
FB		 7339 if (*p != ',')
7340 goto chs_fail;
7341 p++;
7342 heads = strtol(p, (char **)&p, 0);
46d4767d
FB		 7343 if (heads < 1 || heads > 16)
7344 goto chs_fail;
330d0414
FB		 7345 if (*p != ',')
7346 goto chs_fail;
7347 p++;
7348 secs = strtol(p, (char **)&p, 0);
46d4767d
FB		 7349 if (secs < 1 || secs > 63)
7350 goto chs_fail;
7351 if (*p == ',') {
7352 p++;
7353 if (!strcmp(p, "none"))
7354 translation = BIOS_ATA_TRANSLATION_NONE;
7355 else if (!strcmp(p, "lba"))
7356 translation = BIOS_ATA_TRANSLATION_LBA;
7357 else if (!strcmp(p, "auto"))
7358 translation = BIOS_ATA_TRANSLATION_AUTO;
7359 else
7360 goto chs_fail;
7361 } else if (*p != '\0') {
c4b1fcc0 7362 chs_fail:
46d4767d
FB		 7363 fprintf(stderr, "qemu: invalid physical CHS format\n");
7364 exit(1);
c4b1fcc0 7365 }
330d0414
FB		 7366 }
7367 break;
cd6f1169 7368 case QEMU_OPTION_nographic:
8d11df9e 7369 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
a39437aa 7370 pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "null");
20d8a3ed 7371 pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
a20dd508
FB		 7372 nographic = 1;
7373 break;
a171fe39
AZ		 7374 case QEMU_OPTION_portrait:
7375 graphic_rotate = 1;
7376 break;
cd6f1169 7377 case QEMU_OPTION_kernel:
a20dd508
FB		 7378 kernel_filename = optarg;
7379 break;
cd6f1169 7380 case QEMU_OPTION_append:
a20dd508 7381 kernel_cmdline = optarg;
313aa567 7382 break;
cd6f1169 7383 case QEMU_OPTION_cdrom:
96d30e48
TS		 7384 if (cdrom_index >= 0) {
7385 hd_filename[cdrom_index] = optarg;
fa1fb14c 7386 }
36b486bb 7387 break;
cd6f1169 7388 case QEMU_OPTION_boot:
36b486bb 7389 boot_device = optarg[0];
9e89a4be 7390 if (boot_device != 'a' &&
eec85c2a 7391#if defined(TARGET_SPARC) || defined(TARGET_I386)
6f7e9aec
FB		 7392 // Network boot
7393 boot_device != 'n' &&
7394#endif
c45886db 7395 boot_device != 'c' && boot_device != 'd') {
36b486bb
FB		 7396 fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
7397 exit(1);
7398 }
7399 break;
cd6f1169 7400 case QEMU_OPTION_fda:
c45886db
FB		 7401 fd_filename[0] = optarg;
7402 break;
cd6f1169 7403 case QEMU_OPTION_fdb:
c45886db
FB		 7404 fd_filename[1] = optarg;
7405 break;
52ca8d6a
FB		 7406#ifdef TARGET_I386
7407 case QEMU_OPTION_no_fd_bootchk:
7408 fd_bootchk = 0;
7409 break;
7410#endif
cd6f1169 7411 case QEMU_OPTION_no_code_copy:
77fef8c1
FB		 7412 code_copy_enabled = 0;
7413 break;
7c9d8e07
FB		 7414 case QEMU_OPTION_net:
7415 if (nb_net_clients >= MAX_NET_CLIENTS) {
7416 fprintf(stderr, "qemu: too many network clients\n");
c4b1fcc0
FB		 7417 exit(1);
7418 }
7c9d8e07
FB		 7419 pstrcpy(net_clients[nb_net_clients],
7420 sizeof(net_clients[0]),
7421 optarg);
7422 nb_net_clients++;
702c651c 7423 break;
c7f74643
FB		 7424#ifdef CONFIG_SLIRP
7425 case QEMU_OPTION_tftp:
c7f74643 7426 tftp_prefix = optarg;
9bf05444 7427 break;
47d5d01a
TS		 7428 case QEMU_OPTION_bootp:
7429 bootp_filename = optarg;
7430 break;
c94c8d64 7431#ifndef _WIN32
9d728e8c
FB		 7432 case QEMU_OPTION_smb:
7433 net_slirp_smb(optarg);
7434 break;
c94c8d64 7435#endif
9bf05444
FB		 7436 case QEMU_OPTION_redir:
7437 net_slirp_redir(optarg);
7438 break;
c7f74643 7439#endif
1d14ffa9 7440#ifdef HAS_AUDIO
1d14ffa9
FB		 7441 case QEMU_OPTION_audio_help:
7442 AUD_help ();
7443 exit (0);
7444 break;
7445 case QEMU_OPTION_soundhw:
7446 select_soundhw (optarg);
7447 break;
7448#endif
cd6f1169 7449 case QEMU_OPTION_h:
0824d6fc 7450 help();
cd6f1169
FB		 7451 break;
7452 case QEMU_OPTION_m:
7453 ram_size = atoi(optarg) * 1024 * 1024;
7454 if (ram_size <= 0)
7455 help();
7456 if (ram_size > PHYS_RAM_MAX_SIZE) {
7457 fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
7458 PHYS_RAM_MAX_SIZE / (1024 * 1024));
7459 exit(1);
7460 }
7461 break;
7462 case QEMU_OPTION_d:
7463 {
7464 int mask;
7465 CPULogItem *item;
7466
7467 mask = cpu_str_to_log_mask(optarg);
7468 if (!mask) {
7469 printf("Log items (comma separated):\n");
f193c797
FB		 7470 for(item = cpu_log_items; item->mask != 0; item++) {
7471 printf("%-10s %s\n", item->name, item->help);
7472 }
7473 exit(1);
cd6f1169
FB		 7474 }
7475 cpu_set_log(mask);
f193c797 7476 }
cd6f1169 7477 break;
67b915a5 7478#ifdef CONFIG_GDBSTUB
cd6f1169
FB		 7479 case QEMU_OPTION_s:
7480 use_gdbstub = 1;
7481 break;
7482 case QEMU_OPTION_p:
cfc3475a 7483 gdbstub_port = optarg;
cd6f1169 7484 break;
67b915a5 7485#endif
cd6f1169
FB		 7486 case QEMU_OPTION_L:
7487 bios_dir = optarg;
7488 break;
7489 case QEMU_OPTION_S:
3c07f8e8 7490 autostart = 0;
cd6f1169 7491 break;
3d11d0eb
FB		 7492 case QEMU_OPTION_k:
7493 keyboard_layout = optarg;
7494 break;
ee22c2f7
FB		 7495 case QEMU_OPTION_localtime:
7496 rtc_utc = 0;
7497 break;
1f04275e
FB		 7498 case QEMU_OPTION_cirrusvga:
7499 cirrus_vga_enabled = 1;
d34cab9f
TS		 7500 vmsvga_enabled = 0;
7501 break;
7502 case QEMU_OPTION_vmsvga:
7503 cirrus_vga_enabled = 0;
7504 vmsvga_enabled = 1;
1f04275e 7505 break;
1bfe856e
FB		 7506 case QEMU_OPTION_std_vga:
7507 cirrus_vga_enabled = 0;
d34cab9f 7508 vmsvga_enabled = 0;
1bfe856e 7509 break;
e9b137c2
FB		 7510 case QEMU_OPTION_g:
7511 {
7512 const char *p;
7513 int w, h, depth;
7514 p = optarg;
7515 w = strtol(p, (char **)&p, 10);
7516 if (w <= 0) {
7517 graphic_error:
7518 fprintf(stderr, "qemu: invalid resolution or depth\n");
7519 exit(1);
7520 }
7521 if (*p != 'x')
7522 goto graphic_error;
7523 p++;
7524 h = strtol(p, (char **)&p, 10);
7525 if (h <= 0)
7526 goto graphic_error;
7527 if (*p == 'x') {
7528 p++;
7529 depth = strtol(p, (char **)&p, 10);
7530 if (depth != 8 && depth != 15 && depth != 16 &&
7531 depth != 24 && depth != 32)
7532 goto graphic_error;
7533 } else if (*p == '\0') {
7534 depth = graphic_depth;
7535 } else {
7536 goto graphic_error;
7537 }
7538
7539 graphic_width = w;
7540 graphic_height = h;
7541 graphic_depth = depth;
7542 }
7543 break;
20d8a3ed
TS		 7544 case QEMU_OPTION_echr:
7545 {
7546 char *r;
7547 term_escape_char = strtol(optarg, &r, 0);
7548 if (r == optarg)
7549 printf("Bad argument to echr\n");
7550 break;
7551 }
82c643ff
FB		 7552 case QEMU_OPTION_monitor:
7553 pstrcpy(monitor_device, sizeof(monitor_device), optarg);
7554 break;
7555 case QEMU_OPTION_serial:
8d11df9e
FB		 7556 if (serial_device_index >= MAX_SERIAL_PORTS) {
7557 fprintf(stderr, "qemu: too many serial ports\n");
7558 exit(1);
7559 }
7560 pstrcpy(serial_devices[serial_device_index],
7561 sizeof(serial_devices[0]), optarg);
7562 serial_device_index++;
82c643ff 7563 break;
6508fe59
FB		 7564 case QEMU_OPTION_parallel:
7565 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
7566 fprintf(stderr, "qemu: too many parallel ports\n");
7567 exit(1);
7568 }
7569 pstrcpy(parallel_devices[parallel_device_index],
7570 sizeof(parallel_devices[0]), optarg);
7571 parallel_device_index++;
7572 break;
d63d307f
FB		 7573 case QEMU_OPTION_loadvm:
7574 loadvm = optarg;
7575 break;
7576 case QEMU_OPTION_full_screen:
7577 full_screen = 1;
7578 break;
667accab 7579#ifdef CONFIG_SDL
43523e93
TS		 7580 case QEMU_OPTION_no_frame:
7581 no_frame = 1;
7582 break;
3780e197
TS		 7583 case QEMU_OPTION_alt_grab:
7584 alt_grab = 1;
7585 break;
667accab
TS		 7586 case QEMU_OPTION_no_quit:
7587 no_quit = 1;
7588 break;
7589#endif
f7cce898 7590 case QEMU_OPTION_pidfile:
93815bc2 7591 pid_file = optarg;
f7cce898 7592 break;
a09db21f
FB		 7593#ifdef TARGET_I386
7594 case QEMU_OPTION_win2k_hack:
7595 win2k_install_hack = 1;
7596 break;
7597#endif
d993e026
FB		 7598#ifdef USE_KQEMU
7599 case QEMU_OPTION_no_kqemu:
7600 kqemu_allowed = 0;
7601 break;
89bfc105
FB		 7602 case QEMU_OPTION_kernel_kqemu:
7603 kqemu_allowed = 2;
7604 break;
d993e026 7605#endif
bb36d470
FB		 7606 case QEMU_OPTION_usb:
7607 usb_enabled = 1;
7608 break;
a594cfbf
FB		 7609 case QEMU_OPTION_usbdevice:
7610 usb_enabled = 1;
0d92ed30 7611 if (usb_devices_index >= MAX_USB_CMDLINE) {
a594cfbf
FB		 7612 fprintf(stderr, "Too many USB devices\n");
7613 exit(1);
7614 }
7615 pstrcpy(usb_devices[usb_devices_index],
7616 sizeof(usb_devices[usb_devices_index]),
7617 optarg);
7618 usb_devices_index++;
7619 break;
6a00d601
FB		 7620 case QEMU_OPTION_smp:
7621 smp_cpus = atoi(optarg);
ba3c64fb 7622 if (smp_cpus < 1 || smp_cpus > MAX_CPUS) {
6a00d601
FB		 7623 fprintf(stderr, "Invalid number of CPUs\n");
7624 exit(1);
7625 }
7626 break;
24236869 7627 case QEMU_OPTION_vnc:
73fc9742 7628 vnc_display = optarg;
24236869 7629 break;
6515b203
FB		 7630 case QEMU_OPTION_no_acpi:
7631 acpi_enabled = 0;
7632 break;
d1beab82
FB		 7633 case QEMU_OPTION_no_reboot:
7634 no_reboot = 1;
7635 break;
9467cd46
AZ		 7636 case QEMU_OPTION_show_cursor:
7637 cursor_hide = 0;
7638 break;
71e3ceb8
TS		 7639 case QEMU_OPTION_daemonize:
7640 daemonize = 1;
7641 break;
9ae02555
TS		 7642 case QEMU_OPTION_option_rom:
7643 if (nb_option_roms >= MAX_OPTION_ROMS) {
7644 fprintf(stderr, "Too many option ROMs\n");
7645 exit(1);
7646 }
7647 option_rom[nb_option_roms] = optarg;
7648 nb_option_roms++;
7649 break;
8e71621f
PB		 7650 case QEMU_OPTION_semihosting:
7651 semihosting_enabled = 1;
7652 break;
c35734b2
TS		 7653 case QEMU_OPTION_name:
7654 qemu_name = optarg;
7655 break;
66508601
BS		 7656#ifdef TARGET_SPARC
7657 case QEMU_OPTION_prom_env:
7658 if (nb_prom_envs >= MAX_PROM_ENVS) {
7659 fprintf(stderr, "Too many prom variables\n");
7660 exit(1);
7661 }
7662 prom_envs[nb_prom_envs] = optarg;
7663 nb_prom_envs++;
7664 break;
7665#endif
cd6f1169 7666 }
0824d6fc
FB		 7667 }
7668 }
330d0414 7669
71e3ceb8
TS		 7670#ifndef _WIN32
7671 if (daemonize && !nographic && vnc_display == NULL) {
7672 fprintf(stderr, "Can only daemonize if using -nographic or -vnc\n");
7673 daemonize = 0;
7674 }
7675
7676 if (daemonize) {
7677 pid_t pid;
7678
7679 if (pipe(fds) == -1)
7680 exit(1);
7681
7682 pid = fork();
7683 if (pid > 0) {
7684 uint8_t status;
7685 ssize_t len;
7686
7687 close(fds[1]);
7688
7689 again:
93815bc2
TS		 7690 len = read(fds[0], &status, 1);
7691 if (len == -1 && (errno == EINTR))
7692 goto again;
7693
7694 if (len != 1)
7695 exit(1);
7696 else if (status == 1) {
7697 fprintf(stderr, "Could not acquire pidfile\n");
7698 exit(1);
7699 } else
7700 exit(0);
71e3ceb8 7701 } else if (pid < 0)
93815bc2 7702 exit(1);
71e3ceb8
TS		 7703
7704 setsid();
7705
7706 pid = fork();
7707 if (pid > 0)
7708 exit(0);
7709 else if (pid < 0)
7710 exit(1);
7711
7712 umask(027);
7713 chdir("/");
7714
7715 signal(SIGTSTP, SIG_IGN);
7716 signal(SIGTTOU, SIG_IGN);
7717 signal(SIGTTIN, SIG_IGN);
7718 }
7719#endif
7720
aa26bb2d 7721 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
93815bc2
TS		 7722 if (daemonize) {
7723 uint8_t status = 1;
7724 write(fds[1], &status, 1);
7725 } else
7726 fprintf(stderr, "Could not acquire pid file\n");
7727 exit(1);
7728 }
7729
ff3fbb30
FB		 7730#ifdef USE_KQEMU
7731 if (smp_cpus > 1)
7732 kqemu_allowed = 0;
7733#endif
a20dd508 7734 linux_boot = (kernel_filename != NULL);
42550fde
TS		 7735
7736 if (!linux_boot &&
d84fe7ae 7737 boot_device != 'n' &&
96d30e48
TS		 7738 hd_filename[0] == '\0' &&
7739 (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
c45886db 7740 fd_filename[0] == '\0')
0824d6fc
FB		 7741 help();
7742
96d30e48
TS		 7743 /* boot to floppy or the default cd if no hard disk defined yet */
7744 if (hd_filename[0] == '\0' && boot_device == 'c') {
7745 if (fd_filename[0] != '\0')
7746 boot_device = 'a';
7747 else
7748 boot_device = 'd';
7749 }
7750
b118d61e 7751 setvbuf(stdout, NULL, _IOLBF, 0);
7c9d8e07 7752
634fce96
PB		 7753 init_timers();
7754 init_timer_alarm();
83f64091 7755 qemu_aio_init();
634fce96 7756
fd1dff4b
FB		 7757#ifdef _WIN32
7758 socket_init();
7759#endif
7760
7c9d8e07
FB		 7761 /* init network clients */
7762 if (nb_net_clients == 0) {
7763 /* if no clients, we use a default config */
7764 pstrcpy(net_clients[0], sizeof(net_clients[0]),
7765 "nic");
7766 pstrcpy(net_clients[1], sizeof(net_clients[0]),
7767 "user");
7768 nb_net_clients = 2;
c20709aa
FB		 7769 }
7770
7c9d8e07
FB		 7771 for(i = 0;i < nb_net_clients; i++) {
7772 if (net_client_init(net_clients[i]) < 0)
7773 exit(1);
702c651c 7774 }
833c7174
BS		 7775 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
7776 if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0)
7777 continue;
7778 if (vlan->nb_guest_devs == 0) {
7779 fprintf(stderr, "Invalid vlan (%d) with no nics\n", vlan->id);
7780 exit(1);
7781 }
7782 if (vlan->nb_host_devs == 0)
7783 fprintf(stderr,
7784 "Warning: vlan %d is not connected to host network\n",
7785 vlan->id);
7786 }
f1510b2c 7787
eec85c2a
TS		 7788#ifdef TARGET_I386
7789 if (boot_device == 'n') {
7790 for (i = 0; i < nb_nics; i++) {
7791 const char *model = nd_table[i].model;
7792 char buf[1024];
7793 if (model == NULL)
7794 model = "ne2k_pci";
7795 snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
7796 if (get_image_size(buf) > 0) {
7797 option_rom[nb_option_roms] = strdup(buf);
7798 nb_option_roms++;
7799 break;
7800 }
7801 }
7802 if (i == nb_nics) {
7803 fprintf(stderr, "No valid PXE rom found for network device\n");
7804 exit(1);
7805 }
7806 boot_device = 'c'; /* to prevent confusion by the BIOS */
7807 }
7808#endif
7809
0824d6fc 7810 /* init the memory */
970ac5a3 7811 phys_ram_size = ram_size + vga_ram_size + MAX_BIOS_SIZE;
9ae02555 7812
d993e026 7813 phys_ram_base = qemu_vmalloc(phys_ram_size);
7f7f9873
FB		 7814 if (!phys_ram_base) {
7815 fprintf(stderr, "Could not allocate physical memory\n");
0824d6fc
FB		 7816 exit(1);
7817 }
7818
96d30e48 7819 /* we always create the cdrom drive, even if no disk is there */
5905b2e5 7820 bdrv_init();
96d30e48
TS		 7821 if (cdrom_index >= 0) {
7822 bs_table[cdrom_index] = bdrv_new("cdrom");
7823 bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
c4b1fcc0
FB		 7824 }
7825
96d30e48
TS		 7826 /* open the virtual block devices */
7827 for(i = 0; i < MAX_DISKS; i++) {
7828 if (hd_filename[i]) {
7829 if (!bs_table[i]) {
7830 char buf[64];
7831 snprintf(buf, sizeof(buf), "hd%c", i + 'a');
7832 bs_table[i] = bdrv_new(buf);
7833 }
7834 if (bdrv_open(bs_table[i], hd_filename[i], snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
7835 fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
7836 hd_filename[i]);
7837 exit(1);
7838 }
7839 if (i == 0 && cyls != 0) {
7840 bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
7841 bdrv_set_translation_hint(bs_table[i], translation);
7842 }
7843 }
c4b1fcc0
FB		 7844 }
7845
7846 /* we always create at least one floppy disk */
7847 fd_table[0] = bdrv_new("fda");
7848 bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
7849
7850 for(i = 0; i < MAX_FD; i++) {
7851 if (fd_filename[i]) {
7852 if (!fd_table[i]) {
7853 char buf[64];
7854 snprintf(buf, sizeof(buf), "fd%c", i + 'a');
7855 fd_table[i] = bdrv_new(buf);
7856 bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
7857 }
a1bb27b1 7858 if (fd_filename[i][0] != '\0') {
83f64091
FB		 7859 if (bdrv_open(fd_table[i], fd_filename[i],
7860 snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
c20709aa 7861 fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
c4b1fcc0
FB		 7862 fd_filename[i]);
7863 exit(1);
7864 }
7865 }
33e3963e
FB		 7866 }
7867 }
7868
2bac6019 7869 /* Open the virtual parallel flash block devices */
86f55663
JM		 7870 for(i = 0; i < MAX_PFLASH; i++) {
7871 if (pflash_filename[i]) {
7872 if (!pflash_table[i]) {
7873 char buf[64];
7874 snprintf(buf, sizeof(buf), "fl%c", i + 'a');
7875 pflash_table[i] = bdrv_new(buf);
7876 }
7877 if (bdrv_open(pflash_table[i], pflash_filename[i],
7878 snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
7879 fprintf(stderr, "qemu: could not open flash image '%s'\n",
7880 pflash_filename[i]);
7881 exit(1);
7882 }
7883 }
7884 }
7885
a1bb27b1
PB		 7886 sd_bdrv = bdrv_new ("sd");
7887 /* FIXME: This isn't really a floppy, but it's a reasonable
7888 approximation. */
7889 bdrv_set_type_hint(sd_bdrv, BDRV_TYPE_FLOPPY);
7890 if (sd_filename) {
7891 if (bdrv_open(sd_bdrv, sd_filename,
7892 snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
7893 fprintf(stderr, "qemu: could not open SD card image %s\n",
7894 sd_filename);
2bac6019 7895 } else
a171fe39 7896 qemu_key_check(sd_bdrv, sd_filename);
a1bb27b1
PB		 7897 }
7898
3e3d5815
AZ		 7899 if (mtd_filename) {
7900 mtd_bdrv = bdrv_new ("mtd");
7901 if (bdrv_open(mtd_bdrv, mtd_filename,
7902 snapshot ? BDRV_O_SNAPSHOT : 0) < 0 ||
7903 qemu_key_check(mtd_bdrv, mtd_filename)) {
7904 fprintf(stderr, "qemu: could not open Flash image %s\n",
7905 mtd_filename);
7906 bdrv_delete(mtd_bdrv);
7907 mtd_bdrv = 0;
7908 }
7909 }
7910
c88676f8
FB		 7911 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
7912 register_savevm("ram", 0, 2, ram_save, ram_load, NULL);
8a7ddc38 7913
330d0414 7914 init_ioports();
0824d6fc 7915
313aa567 7916 /* terminal init */
740733bb 7917 memset(&display_state, 0, sizeof(display_state));
a20dd508 7918 if (nographic) {
2ff89790
TS		 7919 /* nearly nothing to do */
7920 dumb_display_init(ds);
73fc9742 7921 } else if (vnc_display != NULL) {
740733bb 7922 vnc_display_init(ds, vnc_display);
313aa567 7923 } else {
5b0753e0 7924#if defined(CONFIG_SDL)
43523e93 7925 sdl_display_init(ds, full_screen, no_frame);
5b0753e0
FB		 7926#elif defined(CONFIG_COCOA)
7927 cocoa_display_init(ds, full_screen);
313aa567
FB		 7928#endif
7929 }
0824d6fc 7930
20d8a3ed
TS		 7931 /* Maintain compatibility with multiple stdio monitors */
7932 if (!strcmp(monitor_device,"stdio")) {
7933 for (i = 0; i < MAX_SERIAL_PORTS; i++) {
7934 if (!strcmp(serial_devices[i],"mon:stdio")) {
7935 monitor_device[0] = '\0';
7936 break;
7937 } else if (!strcmp(serial_devices[i],"stdio")) {
7938 monitor_device[0] = '\0';
7939 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "mon:stdio");
7940 break;
7941 }
7942 }
7943 }
7944 if (monitor_device[0] != '\0') {
7945 monitor_hd = qemu_chr_open(monitor_device);
7946 if (!monitor_hd) {
7947 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
7948 exit(1);
7949 }
7950 monitor_init(monitor_hd, !nographic);
82c643ff 7951 }
82c643ff 7952
8d11df9e 7953 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
c03b0f0f
FB		 7954 const char *devname = serial_devices[i];
7955 if (devname[0] != '\0' && strcmp(devname, "none")) {
7956 serial_hds[i] = qemu_chr_open(devname);
8d11df9e
FB		 7957 if (!serial_hds[i]) {
7958 fprintf(stderr, "qemu: could not open serial device '%s'\n",
c03b0f0f 7959 devname);
8d11df9e
FB		 7960 exit(1);
7961 }
c03b0f0f 7962 if (!strcmp(devname, "vc"))
7ba1260a 7963 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
8d11df9e 7964 }
82c643ff 7965 }
82c643ff 7966
6508fe59 7967 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
c03b0f0f
FB		 7968 const char *devname = parallel_devices[i];
7969 if (devname[0] != '\0' && strcmp(devname, "none")) {
7970 parallel_hds[i] = qemu_chr_open(devname);
6508fe59
FB		 7971 if (!parallel_hds[i]) {
7972 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
c03b0f0f 7973 devname);
6508fe59
FB		 7974 exit(1);
7975 }
c03b0f0f 7976 if (!strcmp(devname, "vc"))
7ba1260a 7977 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
6508fe59
FB		 7978 }
7979 }
7980
cc1daa40
FB		 7981 machine->init(ram_size, vga_ram_size, boot_device,
7982 ds, fd_filename, snapshot,
94fc95cd 7983 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
73332e5c 7984
0d92ed30
PB		 7985 /* init USB devices */
7986 if (usb_enabled) {
7987 for(i = 0; i < usb_devices_index; i++) {
7988 if (usb_device_add(usb_devices[i]) < 0) {
7989 fprintf(stderr, "Warning: could not add USB device %s\n",
7990 usb_devices[i]);
7991 }
7992 }
7993 }
7994
740733bb
TS		 7995 if (display_state.dpy_refresh) {
7996 display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state);
7997 qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock));
7998 }
7f7f9873 7999
67b915a5 8000#ifdef CONFIG_GDBSTUB
b4608c04 8001 if (use_gdbstub) {
c636bb66
FB		 8002 /* XXX: use standard host:port notation and modify options
8003 accordingly. */
cfc3475a
PB		 8004 if (gdbserver_start(gdbstub_port) < 0) {
8005 fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
c636bb66 8006 gdbstub_port);
8a7ddc38 8007 exit(1);
8a7ddc38 8008 }
67b915a5
FB		 8009 } else
8010#endif
d63d307f 8011 if (loadvm)
faea38e7 8012 do_loadvm(loadvm);
d63d307f 8013
67b915a5 8014 {
5905b2e5
FB		 8015 /* XXX: simplify init */
8016 read_passwords();
3c07f8e8 8017 if (autostart) {
5905b2e5
FB		 8018 vm_start();
8019 }
0824d6fc 8020 }
ffd843bc 8021
71e3ceb8
TS		 8022 if (daemonize) {
8023 uint8_t status = 0;
8024 ssize_t len;
8025 int fd;
8026
8027 again1:
8028 len = write(fds[1], &status, 1);
8029 if (len == -1 && (errno == EINTR))
8030 goto again1;
8031
8032 if (len != 1)
8033 exit(1);
8034
8035 fd = open("/dev/null", O_RDWR);
8036 if (fd == -1)
8037 exit(1);
8038
8039 dup2(fd, 0);
8040 dup2(fd, 1);
8041 dup2(fd, 2);
8042
8043 close(fd);
8044 }
8045
8a7ddc38 8046 main_loop();
40c3bac3 8047 quit_timers();
0824d6fc
FB		 8048 return 0;
8049}
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