Statistics
| Branch: | Revision:

root / vl.c @ 236f1f67

History | View | Annotate | Download (105.3 kB)

1
/*
2
 * QEMU System Emulator
3
 *
4
 * Copyright (c) 2003-2008 Fabrice Bellard
5
 *
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.
23
 */
24
#include <unistd.h>
25
#include <fcntl.h>
26
#include <signal.h>
27
#include <time.h>
28
#include <errno.h>
29
#include <sys/time.h>
30
#include <zlib.h>
31

    
32
/* Needed early for CONFIG_BSD etc. */
33
#include "config-host.h"
34

    
35
#ifndef _WIN32
36
#include <libgen.h>
37
#include <pwd.h>
38
#include <sys/times.h>
39
#include <sys/wait.h>
40
#include <termios.h>
41
#include <sys/mman.h>
42
#include <sys/ioctl.h>
43
#include <sys/resource.h>
44
#include <sys/socket.h>
45
#include <netinet/in.h>
46
#include <net/if.h>
47
#include <arpa/inet.h>
48
#include <dirent.h>
49
#include <netdb.h>
50
#include <sys/select.h>
51
#ifdef CONFIG_BSD
52
#include <sys/stat.h>
53
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
54
#include <libutil.h>
55
#include <sys/sysctl.h>
56
#else
57
#include <util.h>
58
#endif
59
#else
60
#ifdef __linux__
61
#include <pty.h>
62
#include <malloc.h>
63
#include <sys/prctl.h>
64

    
65
#include <linux/ppdev.h>
66
#include <linux/parport.h>
67
#endif
68
#ifdef __sun__
69
#include <sys/stat.h>
70
#include <sys/ethernet.h>
71
#include <sys/sockio.h>
72
#include <netinet/arp.h>
73
#include <netinet/in.h>
74
#include <netinet/in_systm.h>
75
#include <netinet/ip.h>
76
#include <netinet/ip_icmp.h> // must come after ip.h
77
#include <netinet/udp.h>
78
#include <netinet/tcp.h>
79
#include <net/if.h>
80
#include <syslog.h>
81
#include <stropts.h>
82
/* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for
83
   discussion about Solaris header problems */
84
extern int madvise(caddr_t, size_t, int);
85
#endif
86
#endif
87
#endif
88

    
89
#if defined(__OpenBSD__)
90
#include <util.h>
91
#endif
92

    
93
#if defined(CONFIG_VDE)
94
#include <libvdeplug.h>
95
#endif
96

    
97
#ifdef _WIN32
98
#include <windows.h>
99
#endif
100

    
101
#ifdef CONFIG_SDL
102
#if defined(__APPLE__) || defined(main)
103
#include <SDL.h>
104
int qemu_main(int argc, char **argv, char **envp);
105
int main(int argc, char **argv)
106
{
107
    return qemu_main(argc, argv, NULL);
108
}
109
#undef main
110
#define main qemu_main
111
#endif
112
#endif /* CONFIG_SDL */
113

    
114
#ifdef CONFIG_COCOA
115
#undef main
116
#define main qemu_main
117
#endif /* CONFIG_COCOA */
118

    
119
#include "hw/hw.h"
120
#include "hw/boards.h"
121
#include "hw/usb.h"
122
#include "hw/pcmcia.h"
123
#include "hw/pc.h"
124
#include "hw/isa.h"
125
#include "hw/baum.h"
126
#include "hw/bt.h"
127
#include "hw/watchdog.h"
128
#include "hw/smbios.h"
129
#include "hw/xen.h"
130
#include "hw/qdev.h"
131
#include "hw/loader.h"
132
#include "bt-host.h"
133
#include "net.h"
134
#include "net/slirp.h"
135
#include "monitor.h"
136
#include "console.h"
137
#include "sysemu.h"
138
#include "gdbstub.h"
139
#include "qemu-timer.h"
140
#include "qemu-char.h"
141
#include "cache-utils.h"
142
#include "block.h"
143
#include "block_int.h"
144
#include "block-migration.h"
145
#include "dma.h"
146
#include "audio/audio.h"
147
#include "migration.h"
148
#include "kvm.h"
149
#include "qemu-option.h"
150
#include "qemu-config.h"
151
#include "qemu-objects.h"
152
#ifdef CONFIG_LINUX
153
#include "fsdev/qemu-fsdev.h"
154
#endif
155

    
156
#include "disas.h"
157

    
158
#include "qemu_socket.h"
159

    
160
#include "slirp/libslirp.h"
161

    
162
#include "qemu-queue.h"
163
#include "cpus.h"
164
#include "arch_init.h"
165

    
166
//#define DEBUG_NET
167
//#define DEBUG_SLIRP
168

    
169
#define DEFAULT_RAM_SIZE 128
170

    
171
#define MAX_VIRTIO_CONSOLES 1
172

    
173
static const char *data_dir;
174
const char *bios_name = NULL;
175
struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives);
176
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
177
DisplayType display_type = DT_DEFAULT;
178
const char* keyboard_layout = NULL;
179
ram_addr_t ram_size;
180
const char *mem_path = NULL;
181
#ifdef MAP_POPULATE
182
int mem_prealloc = 0; /* force preallocation of physical target memory */
183
#endif
184
int nb_nics;
185
NICInfo nd_table[MAX_NICS];
186
int vm_running;
187
int autostart;
188
static int rtc_utc = 1;
189
static int rtc_date_offset = -1; /* -1 means no change */
190
QEMUClock *rtc_clock;
191
int vga_interface_type = VGA_NONE;
192
static int full_screen = 0;
193
#ifdef CONFIG_SDL
194
static int no_frame = 0;
195
#endif
196
int no_quit = 0;
197
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
198
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
199
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
200
int win2k_install_hack = 0;
201
int rtc_td_hack = 0;
202
int usb_enabled = 0;
203
int singlestep = 0;
204
int smp_cpus = 1;
205
int max_cpus = 0;
206
int smp_cores = 1;
207
int smp_threads = 1;
208
const char *vnc_display;
209
int acpi_enabled = 1;
210
int no_hpet = 0;
211
int fd_bootchk = 1;
212
int no_reboot = 0;
213
int no_shutdown = 0;
214
int cursor_hide = 1;
215
int graphic_rotate = 0;
216
uint8_t irq0override = 1;
217
#ifndef _WIN32
218
int daemonize = 0;
219
#endif
220
const char *watchdog;
221
const char *option_rom[MAX_OPTION_ROMS];
222
int nb_option_roms;
223
int semihosting_enabled = 0;
224
int old_param = 0;
225
const char *qemu_name;
226
int alt_grab = 0;
227
int ctrl_grab = 0;
228
unsigned int nb_prom_envs = 0;
229
const char *prom_envs[MAX_PROM_ENVS];
230
int boot_menu;
231

    
232
int nb_numa_nodes;
233
uint64_t node_mem[MAX_NODES];
234
uint64_t node_cpumask[MAX_NODES];
235

    
236
static QEMUTimer *nographic_timer;
237

    
238
uint8_t qemu_uuid[16];
239

    
240
static QEMUBootSetHandler *boot_set_handler;
241
static void *boot_set_opaque;
242

    
243
int kvm_allowed = 0;
244
uint32_t xen_domid;
245
enum xen_mode xen_mode = XEN_EMULATE;
246

    
247
static int default_serial = 1;
248
static int default_parallel = 1;
249
static int default_virtcon = 1;
250
static int default_monitor = 1;
251
static int default_vga = 1;
252
static int default_floppy = 1;
253
static int default_cdrom = 1;
254
static int default_sdcard = 1;
255

    
256
static struct {
257
    const char *driver;
258
    int *flag;
259
} default_list[] = {
260
    { .driver = "isa-serial",           .flag = &default_serial    },
261
    { .driver = "isa-parallel",         .flag = &default_parallel  },
262
    { .driver = "isa-fdc",              .flag = &default_floppy    },
263
    { .driver = "ide-drive",            .flag = &default_cdrom     },
264
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
265
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
266
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
267
    { .driver = "VGA",                  .flag = &default_vga       },
268
    { .driver = "cirrus-vga",           .flag = &default_vga       },
269
    { .driver = "vmware-svga",          .flag = &default_vga       },
270
};
271

    
272
static int default_driver_check(QemuOpts *opts, void *opaque)
273
{
274
    const char *driver = qemu_opt_get(opts, "driver");
275
    int i;
276

    
277
    if (!driver)
278
        return 0;
279
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
280
        if (strcmp(default_list[i].driver, driver) != 0)
281
            continue;
282
        *(default_list[i].flag) = 0;
283
    }
284
    return 0;
285
}
286

    
287
/***********************************************************/
288

    
289
static void set_proc_name(const char *s)
290
{
291
#if defined(__linux__) && defined(PR_SET_NAME)
292
    char name[16];
293
    if (!s)
294
        return;
295
    name[sizeof(name) - 1] = 0;
296
    strncpy(name, s, sizeof(name));
297
    /* Could rewrite argv[0] too, but that's a bit more complicated.
298
       This simple way is enough for `top'. */
299
    prctl(PR_SET_NAME, name);
300
#endif            
301
}
302
 
303
/***********************************************************/
304
/* real time host monotonic timer */
305

    
306
/* compute with 96 bit intermediate result: (a*b)/c */
307
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
308
{
309
    union {
310
        uint64_t ll;
311
        struct {
312
#ifdef HOST_WORDS_BIGENDIAN
313
            uint32_t high, low;
314
#else
315
            uint32_t low, high;
316
#endif
317
        } l;
318
    } u, res;
319
    uint64_t rl, rh;
320

    
321
    u.ll = a;
322
    rl = (uint64_t)u.l.low * (uint64_t)b;
323
    rh = (uint64_t)u.l.high * (uint64_t)b;
324
    rh += (rl >> 32);
325
    res.l.high = rh / c;
326
    res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
327
    return res.ll;
328
}
329

    
330
/***********************************************************/
331
/* host time/date access */
332
void qemu_get_timedate(struct tm *tm, int offset)
333
{
334
    time_t ti;
335
    struct tm *ret;
336

    
337
    time(&ti);
338
    ti += offset;
339
    if (rtc_date_offset == -1) {
340
        if (rtc_utc)
341
            ret = gmtime(&ti);
342
        else
343
            ret = localtime(&ti);
344
    } else {
345
        ti -= rtc_date_offset;
346
        ret = gmtime(&ti);
347
    }
348

    
349
    memcpy(tm, ret, sizeof(struct tm));
350
}
351

    
352
int qemu_timedate_diff(struct tm *tm)
353
{
354
    time_t seconds;
355

    
356
    if (rtc_date_offset == -1)
357
        if (rtc_utc)
358
            seconds = mktimegm(tm);
359
        else
360
            seconds = mktime(tm);
361
    else
362
        seconds = mktimegm(tm) + rtc_date_offset;
363

    
364
    return seconds - time(NULL);
365
}
366

    
367
void rtc_change_mon_event(struct tm *tm)
368
{
369
    QObject *data;
370

    
371
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
372
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
373
    qobject_decref(data);
374
}
375

    
376
static void configure_rtc_date_offset(const char *startdate, int legacy)
377
{
378
    time_t rtc_start_date;
379
    struct tm tm;
380

    
381
    if (!strcmp(startdate, "now") && legacy) {
382
        rtc_date_offset = -1;
383
    } else {
384
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
385
                   &tm.tm_year,
386
                   &tm.tm_mon,
387
                   &tm.tm_mday,
388
                   &tm.tm_hour,
389
                   &tm.tm_min,
390
                   &tm.tm_sec) == 6) {
391
            /* OK */
392
        } else if (sscanf(startdate, "%d-%d-%d",
393
                          &tm.tm_year,
394
                          &tm.tm_mon,
395
                          &tm.tm_mday) == 3) {
396
            tm.tm_hour = 0;
397
            tm.tm_min = 0;
398
            tm.tm_sec = 0;
399
        } else {
400
            goto date_fail;
401
        }
402
        tm.tm_year -= 1900;
403
        tm.tm_mon--;
404
        rtc_start_date = mktimegm(&tm);
405
        if (rtc_start_date == -1) {
406
        date_fail:
407
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
408
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
409
            exit(1);
410
        }
411
        rtc_date_offset = time(NULL) - rtc_start_date;
412
    }
413
}
414

    
415
static void configure_rtc(QemuOpts *opts)
416
{
417
    const char *value;
418

    
419
    value = qemu_opt_get(opts, "base");
420
    if (value) {
421
        if (!strcmp(value, "utc")) {
422
            rtc_utc = 1;
423
        } else if (!strcmp(value, "localtime")) {
424
            rtc_utc = 0;
425
        } else {
426
            configure_rtc_date_offset(value, 0);
427
        }
428
    }
429
    value = qemu_opt_get(opts, "clock");
430
    if (value) {
431
        if (!strcmp(value, "host")) {
432
            rtc_clock = host_clock;
433
        } else if (!strcmp(value, "vm")) {
434
            rtc_clock = vm_clock;
435
        } else {
436
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
437
            exit(1);
438
        }
439
    }
440
    value = qemu_opt_get(opts, "driftfix");
441
    if (value) {
442
        if (!strcmp(value, "slew")) {
443
            rtc_td_hack = 1;
444
        } else if (!strcmp(value, "none")) {
445
            rtc_td_hack = 0;
446
        } else {
447
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
448
            exit(1);
449
        }
450
    }
451
}
452

    
453
/***********************************************************/
454
/* Bluetooth support */
455
static int nb_hcis;
456
static int cur_hci;
457
static struct HCIInfo *hci_table[MAX_NICS];
458

    
459
static struct bt_vlan_s {
460
    struct bt_scatternet_s net;
461
    int id;
462
    struct bt_vlan_s *next;
463
} *first_bt_vlan;
464

    
465
/* find or alloc a new bluetooth "VLAN" */
466
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
467
{
468
    struct bt_vlan_s **pvlan, *vlan;
469
    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
470
        if (vlan->id == id)
471
            return &vlan->net;
472
    }
473
    vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
474
    vlan->id = id;
475
    pvlan = &first_bt_vlan;
476
    while (*pvlan != NULL)
477
        pvlan = &(*pvlan)->next;
478
    *pvlan = vlan;
479
    return &vlan->net;
480
}
481

    
482
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
483
{
484
}
485

    
486
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
487
{
488
    return -ENOTSUP;
489
}
490

    
491
static struct HCIInfo null_hci = {
492
    .cmd_send = null_hci_send,
493
    .sco_send = null_hci_send,
494
    .acl_send = null_hci_send,
495
    .bdaddr_set = null_hci_addr_set,
496
};
497

    
498
struct HCIInfo *qemu_next_hci(void)
499
{
500
    if (cur_hci == nb_hcis)
501
        return &null_hci;
502

    
503
    return hci_table[cur_hci++];
504
}
505

    
506
static struct HCIInfo *hci_init(const char *str)
507
{
508
    char *endp;
509
    struct bt_scatternet_s *vlan = 0;
510

    
511
    if (!strcmp(str, "null"))
512
        /* null */
513
        return &null_hci;
514
    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
515
        /* host[:hciN] */
516
        return bt_host_hci(str[4] ? str + 5 : "hci0");
517
    else if (!strncmp(str, "hci", 3)) {
518
        /* hci[,vlan=n] */
519
        if (str[3]) {
520
            if (!strncmp(str + 3, ",vlan=", 6)) {
521
                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
522
                if (*endp)
523
                    vlan = 0;
524
            }
525
        } else
526
            vlan = qemu_find_bt_vlan(0);
527
        if (vlan)
528
           return bt_new_hci(vlan);
529
    }
530

    
531
    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
532

    
533
    return 0;
534
}
535

    
536
static int bt_hci_parse(const char *str)
537
{
538
    struct HCIInfo *hci;
539
    bdaddr_t bdaddr;
540

    
541
    if (nb_hcis >= MAX_NICS) {
542
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
543
        return -1;
544
    }
545

    
546
    hci = hci_init(str);
547
    if (!hci)
548
        return -1;
549

    
550
    bdaddr.b[0] = 0x52;
551
    bdaddr.b[1] = 0x54;
552
    bdaddr.b[2] = 0x00;
553
    bdaddr.b[3] = 0x12;
554
    bdaddr.b[4] = 0x34;
555
    bdaddr.b[5] = 0x56 + nb_hcis;
556
    hci->bdaddr_set(hci, bdaddr.b);
557

    
558
    hci_table[nb_hcis++] = hci;
559

    
560
    return 0;
561
}
562

    
563
static void bt_vhci_add(int vlan_id)
564
{
565
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
566

    
567
    if (!vlan->slave)
568
        fprintf(stderr, "qemu: warning: adding a VHCI to "
569
                        "an empty scatternet %i\n", vlan_id);
570

    
571
    bt_vhci_init(bt_new_hci(vlan));
572
}
573

    
574
static struct bt_device_s *bt_device_add(const char *opt)
575
{
576
    struct bt_scatternet_s *vlan;
577
    int vlan_id = 0;
578
    char *endp = strstr(opt, ",vlan=");
579
    int len = (endp ? endp - opt : strlen(opt)) + 1;
580
    char devname[10];
581

    
582
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
583

    
584
    if (endp) {
585
        vlan_id = strtol(endp + 6, &endp, 0);
586
        if (*endp) {
587
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
588
            return 0;
589
        }
590
    }
591

    
592
    vlan = qemu_find_bt_vlan(vlan_id);
593

    
594
    if (!vlan->slave)
595
        fprintf(stderr, "qemu: warning: adding a slave device to "
596
                        "an empty scatternet %i\n", vlan_id);
597

    
598
    if (!strcmp(devname, "keyboard"))
599
        return bt_keyboard_init(vlan);
600

    
601
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
602
    return 0;
603
}
604

    
605
static int bt_parse(const char *opt)
606
{
607
    const char *endp, *p;
608
    int vlan;
609

    
610
    if (strstart(opt, "hci", &endp)) {
611
        if (!*endp || *endp == ',') {
612
            if (*endp)
613
                if (!strstart(endp, ",vlan=", 0))
614
                    opt = endp + 1;
615

    
616
            return bt_hci_parse(opt);
617
       }
618
    } else if (strstart(opt, "vhci", &endp)) {
619
        if (!*endp || *endp == ',') {
620
            if (*endp) {
621
                if (strstart(endp, ",vlan=", &p)) {
622
                    vlan = strtol(p, (char **) &endp, 0);
623
                    if (*endp) {
624
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
625
                        return 1;
626
                    }
627
                } else {
628
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
629
                    return 1;
630
                }
631
            } else
632
                vlan = 0;
633

    
634
            bt_vhci_add(vlan);
635
            return 0;
636
        }
637
    } else if (strstart(opt, "device:", &endp))
638
        return !bt_device_add(endp);
639

    
640
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
641
    return 1;
642
}
643

    
644
/***********************************************************/
645
/* QEMU Block devices */
646

    
647
#define HD_ALIAS "index=%d,media=disk"
648
#define CDROM_ALIAS "index=2,media=cdrom"
649
#define FD_ALIAS "index=%d,if=floppy"
650
#define PFLASH_ALIAS "if=pflash"
651
#define MTD_ALIAS "if=mtd"
652
#define SD_ALIAS "index=0,if=sd"
653

    
654
QemuOpts *drive_add(const char *file, const char *fmt, ...)
655
{
656
    va_list ap;
657
    char optstr[1024];
658
    QemuOpts *opts;
659

    
660
    va_start(ap, fmt);
661
    vsnprintf(optstr, sizeof(optstr), fmt, ap);
662
    va_end(ap);
663

    
664
    opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
665
    if (!opts) {
666
        return NULL;
667
    }
668
    if (file)
669
        qemu_opt_set(opts, "file", file);
670
    return opts;
671
}
672

    
673
DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit)
674
{
675
    DriveInfo *dinfo;
676

    
677
    /* seek interface, bus and unit */
678

    
679
    QTAILQ_FOREACH(dinfo, &drives, next) {
680
        if (dinfo->type == type &&
681
            dinfo->bus == bus &&
682
            dinfo->unit == unit)
683
            return dinfo;
684
    }
685

    
686
    return NULL;
687
}
688

    
689
DriveInfo *drive_get_by_id(const char *id)
690
{
691
    DriveInfo *dinfo;
692

    
693
    QTAILQ_FOREACH(dinfo, &drives, next) {
694
        if (strcmp(id, dinfo->id))
695
            continue;
696
        return dinfo;
697
    }
698
    return NULL;
699
}
700

    
701
int drive_get_max_bus(BlockInterfaceType type)
702
{
703
    int max_bus;
704
    DriveInfo *dinfo;
705

    
706
    max_bus = -1;
707
    QTAILQ_FOREACH(dinfo, &drives, next) {
708
        if(dinfo->type == type &&
709
           dinfo->bus > max_bus)
710
            max_bus = dinfo->bus;
711
    }
712
    return max_bus;
713
}
714

    
715
const char *drive_get_serial(BlockDriverState *bdrv)
716
{
717
    DriveInfo *dinfo;
718

    
719
    QTAILQ_FOREACH(dinfo, &drives, next) {
720
        if (dinfo->bdrv == bdrv)
721
            return dinfo->serial;
722
    }
723

    
724
    return "\0";
725
}
726

    
727
BlockInterfaceErrorAction drive_get_on_error(
728
    BlockDriverState *bdrv, int is_read)
729
{
730
    DriveInfo *dinfo;
731

    
732
    QTAILQ_FOREACH(dinfo, &drives, next) {
733
        if (dinfo->bdrv == bdrv)
734
            return is_read ? dinfo->on_read_error : dinfo->on_write_error;
735
    }
736

    
737
    return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC;
738
}
739

    
740
static void bdrv_format_print(void *opaque, const char *name)
741
{
742
    fprintf(stderr, " %s", name);
743
}
744

    
745
void drive_uninit(DriveInfo *dinfo)
746
{
747
    qemu_opts_del(dinfo->opts);
748
    bdrv_delete(dinfo->bdrv);
749
    QTAILQ_REMOVE(&drives, dinfo, next);
750
    qemu_free(dinfo);
751
}
752

    
753
static int parse_block_error_action(const char *buf, int is_read)
754
{
755
    if (!strcmp(buf, "ignore")) {
756
        return BLOCK_ERR_IGNORE;
757
    } else if (!is_read && !strcmp(buf, "enospc")) {
758
        return BLOCK_ERR_STOP_ENOSPC;
759
    } else if (!strcmp(buf, "stop")) {
760
        return BLOCK_ERR_STOP_ANY;
761
    } else if (!strcmp(buf, "report")) {
762
        return BLOCK_ERR_REPORT;
763
    } else {
764
        fprintf(stderr, "qemu: '%s' invalid %s error action\n",
765
            buf, is_read ? "read" : "write");
766
        return -1;
767
    }
768
}
769

    
770
DriveInfo *drive_init(QemuOpts *opts, void *opaque,
771
                      int *fatal_error)
772
{
773
    const char *buf;
774
    const char *file = NULL;
775
    char devname[128];
776
    const char *serial;
777
    const char *mediastr = "";
778
    BlockInterfaceType type;
779
    enum { MEDIA_DISK, MEDIA_CDROM } media;
780
    int bus_id, unit_id;
781
    int cyls, heads, secs, translation;
782
    BlockDriver *drv = NULL;
783
    QEMUMachine *machine = opaque;
784
    int max_devs;
785
    int index;
786
    int ro = 0;
787
    int bdrv_flags = 0;
788
    int on_read_error, on_write_error;
789
    const char *devaddr;
790
    DriveInfo *dinfo;
791
    int snapshot = 0;
792
    int ret;
793

    
794
    *fatal_error = 1;
795

    
796
    translation = BIOS_ATA_TRANSLATION_AUTO;
797

    
798
    if (machine && machine->use_scsi) {
799
        type = IF_SCSI;
800
        max_devs = MAX_SCSI_DEVS;
801
        pstrcpy(devname, sizeof(devname), "scsi");
802
    } else {
803
        type = IF_IDE;
804
        max_devs = MAX_IDE_DEVS;
805
        pstrcpy(devname, sizeof(devname), "ide");
806
    }
807
    media = MEDIA_DISK;
808

    
809
    /* extract parameters */
810
    bus_id  = qemu_opt_get_number(opts, "bus", 0);
811
    unit_id = qemu_opt_get_number(opts, "unit", -1);
812
    index   = qemu_opt_get_number(opts, "index", -1);
813

    
814
    cyls  = qemu_opt_get_number(opts, "cyls", 0);
815
    heads = qemu_opt_get_number(opts, "heads", 0);
816
    secs  = qemu_opt_get_number(opts, "secs", 0);
817

    
818
    snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
819
    ro = qemu_opt_get_bool(opts, "readonly", 0);
820

    
821
    file = qemu_opt_get(opts, "file");
822
    serial = qemu_opt_get(opts, "serial");
823

    
824
    if ((buf = qemu_opt_get(opts, "if")) != NULL) {
825
        pstrcpy(devname, sizeof(devname), buf);
826
        if (!strcmp(buf, "ide")) {
827
            type = IF_IDE;
828
            max_devs = MAX_IDE_DEVS;
829
        } else if (!strcmp(buf, "scsi")) {
830
            type = IF_SCSI;
831
            max_devs = MAX_SCSI_DEVS;
832
        } else if (!strcmp(buf, "floppy")) {
833
            type = IF_FLOPPY;
834
            max_devs = 0;
835
        } else if (!strcmp(buf, "pflash")) {
836
            type = IF_PFLASH;
837
            max_devs = 0;
838
        } else if (!strcmp(buf, "mtd")) {
839
            type = IF_MTD;
840
            max_devs = 0;
841
        } else if (!strcmp(buf, "sd")) {
842
            type = IF_SD;
843
            max_devs = 0;
844
        } else if (!strcmp(buf, "virtio")) {
845
            type = IF_VIRTIO;
846
            max_devs = 0;
847
        } else if (!strcmp(buf, "xen")) {
848
            type = IF_XEN;
849
            max_devs = 0;
850
        } else if (!strcmp(buf, "none")) {
851
            type = IF_NONE;
852
            max_devs = 0;
853
        } else {
854
            fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
855
            return NULL;
856
        }
857
    }
858

    
859
    if (cyls || heads || secs) {
860
        if (cyls < 1 || (type == IF_IDE && cyls > 16383)) {
861
            fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
862
            return NULL;
863
        }
864
        if (heads < 1 || (type == IF_IDE && heads > 16)) {
865
            fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
866
            return NULL;
867
        }
868
        if (secs < 1 || (type == IF_IDE && secs > 63)) {
869
            fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
870
            return NULL;
871
        }
872
    }
873

    
874
    if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
875
        if (!cyls) {
876
            fprintf(stderr,
877
                    "qemu: '%s' trans must be used with cyls,heads and secs\n",
878
                    buf);
879
            return NULL;
880
        }
881
        if (!strcmp(buf, "none"))
882
            translation = BIOS_ATA_TRANSLATION_NONE;
883
        else if (!strcmp(buf, "lba"))
884
            translation = BIOS_ATA_TRANSLATION_LBA;
885
        else if (!strcmp(buf, "auto"))
886
            translation = BIOS_ATA_TRANSLATION_AUTO;
887
        else {
888
            fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
889
            return NULL;
890
        }
891
    }
892

    
893
    if ((buf = qemu_opt_get(opts, "media")) != NULL) {
894
        if (!strcmp(buf, "disk")) {
895
            media = MEDIA_DISK;
896
        } else if (!strcmp(buf, "cdrom")) {
897
            if (cyls || secs || heads) {
898
                fprintf(stderr,
899
                        "qemu: '%s' invalid physical CHS format\n", buf);
900
                return NULL;
901
            }
902
            media = MEDIA_CDROM;
903
        } else {
904
            fprintf(stderr, "qemu: '%s' invalid media\n", buf);
905
            return NULL;
906
        }
907
    }
908

    
909
    if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
910
        if (!strcmp(buf, "off") || !strcmp(buf, "none")) {
911
            bdrv_flags |= BDRV_O_NOCACHE;
912
        } else if (!strcmp(buf, "writeback")) {
913
            bdrv_flags |= BDRV_O_CACHE_WB;
914
        } else if (!strcmp(buf, "unsafe")) {
915
            bdrv_flags |= BDRV_O_CACHE_WB;
916
            bdrv_flags |= BDRV_O_NO_FLUSH;
917
        } else if (!strcmp(buf, "writethrough")) {
918
            /* this is the default */
919
        } else {
920
           fprintf(stderr, "qemu: invalid cache option\n");
921
           return NULL;
922
        }
923
    }
924

    
925
#ifdef CONFIG_LINUX_AIO
926
    if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
927
        if (!strcmp(buf, "native")) {
928
            bdrv_flags |= BDRV_O_NATIVE_AIO;
929
        } else if (!strcmp(buf, "threads")) {
930
            /* this is the default */
931
        } else {
932
           fprintf(stderr, "qemu: invalid aio option\n");
933
           return NULL;
934
        }
935
    }
936
#endif
937

    
938
    if ((buf = qemu_opt_get(opts, "format")) != NULL) {
939
       if (strcmp(buf, "?") == 0) {
940
            fprintf(stderr, "qemu: Supported formats:");
941
            bdrv_iterate_format(bdrv_format_print, NULL);
942
            fprintf(stderr, "\n");
943
            return NULL;
944
        }
945
        drv = bdrv_find_whitelisted_format(buf);
946
        if (!drv) {
947
            fprintf(stderr, "qemu: '%s' invalid format\n", buf);
948
            return NULL;
949
        }
950
    }
951

    
952
    on_write_error = BLOCK_ERR_STOP_ENOSPC;
953
    if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
954
        if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO && type != IF_NONE) {
955
            fprintf(stderr, "werror is no supported by this format\n");
956
            return NULL;
957
        }
958

    
959
        on_write_error = parse_block_error_action(buf, 0);
960
        if (on_write_error < 0) {
961
            return NULL;
962
        }
963
    }
964

    
965
    on_read_error = BLOCK_ERR_REPORT;
966
    if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
967
        if (type != IF_IDE && type != IF_VIRTIO && type != IF_NONE) {
968
            fprintf(stderr, "rerror is no supported by this format\n");
969
            return NULL;
970
        }
971

    
972
        on_read_error = parse_block_error_action(buf, 1);
973
        if (on_read_error < 0) {
974
            return NULL;
975
        }
976
    }
977

    
978
    if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
979
        if (type != IF_VIRTIO) {
980
            fprintf(stderr, "addr is not supported\n");
981
            return NULL;
982
        }
983
    }
984

    
985
    /* compute bus and unit according index */
986

    
987
    if (index != -1) {
988
        if (bus_id != 0 || unit_id != -1) {
989
            fprintf(stderr,
990
                    "qemu: index cannot be used with bus and unit\n");
991
            return NULL;
992
        }
993
        if (max_devs == 0)
994
        {
995
            unit_id = index;
996
            bus_id = 0;
997
        } else {
998
            unit_id = index % max_devs;
999
            bus_id = index / max_devs;
1000
        }
1001
    }
1002

    
1003
    /* if user doesn't specify a unit_id,
1004
     * try to find the first free
1005
     */
1006

    
1007
    if (unit_id == -1) {
1008
       unit_id = 0;
1009
       while (drive_get(type, bus_id, unit_id) != NULL) {
1010
           unit_id++;
1011
           if (max_devs && unit_id >= max_devs) {
1012
               unit_id -= max_devs;
1013
               bus_id++;
1014
           }
1015
       }
1016
    }
1017

    
1018
    /* check unit id */
1019

    
1020
    if (max_devs && unit_id >= max_devs) {
1021
        fprintf(stderr, "qemu: unit %d too big (max is %d)\n",
1022
                unit_id, max_devs - 1);
1023
        return NULL;
1024
    }
1025

    
1026
    /*
1027
     * ignore multiple definitions
1028
     */
1029

    
1030
    if (drive_get(type, bus_id, unit_id) != NULL) {
1031
        *fatal_error = 0;
1032
        return NULL;
1033
    }
1034

    
1035
    /* init */
1036

    
1037
    dinfo = qemu_mallocz(sizeof(*dinfo));
1038
    if ((buf = qemu_opts_id(opts)) != NULL) {
1039
        dinfo->id = qemu_strdup(buf);
1040
    } else {
1041
        /* no id supplied -> create one */
1042
        dinfo->id = qemu_mallocz(32);
1043
        if (type == IF_IDE || type == IF_SCSI)
1044
            mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
1045
        if (max_devs)
1046
            snprintf(dinfo->id, 32, "%s%i%s%i",
1047
                     devname, bus_id, mediastr, unit_id);
1048
        else
1049
            snprintf(dinfo->id, 32, "%s%s%i",
1050
                     devname, mediastr, unit_id);
1051
    }
1052
    dinfo->bdrv = bdrv_new(dinfo->id);
1053
    dinfo->devaddr = devaddr;
1054
    dinfo->type = type;
1055
    dinfo->bus = bus_id;
1056
    dinfo->unit = unit_id;
1057
    dinfo->on_read_error = on_read_error;
1058
    dinfo->on_write_error = on_write_error;
1059
    dinfo->opts = opts;
1060
    if (serial)
1061
        strncpy(dinfo->serial, serial, sizeof(serial));
1062
    QTAILQ_INSERT_TAIL(&drives, dinfo, next);
1063

    
1064
    switch(type) {
1065
    case IF_IDE:
1066
    case IF_SCSI:
1067
    case IF_XEN:
1068
    case IF_NONE:
1069
        switch(media) {
1070
        case MEDIA_DISK:
1071
            if (cyls != 0) {
1072
                bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs);
1073
                bdrv_set_translation_hint(dinfo->bdrv, translation);
1074
            }
1075
            break;
1076
        case MEDIA_CDROM:
1077
            bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM);
1078
            break;
1079
        }
1080
        break;
1081
    case IF_SD:
1082
        /* FIXME: This isn't really a floppy, but it's a reasonable
1083
           approximation.  */
1084
    case IF_FLOPPY:
1085
        bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY);
1086
        break;
1087
    case IF_PFLASH:
1088
    case IF_MTD:
1089
        break;
1090
    case IF_VIRTIO:
1091
        /* add virtio block device */
1092
        opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1093
        qemu_opt_set(opts, "driver", "virtio-blk-pci");
1094
        qemu_opt_set(opts, "drive", dinfo->id);
1095
        if (devaddr)
1096
            qemu_opt_set(opts, "addr", devaddr);
1097
        break;
1098
    case IF_COUNT:
1099
        abort();
1100
    }
1101
    if (!file) {
1102
        *fatal_error = 0;
1103
        return NULL;
1104
    }
1105
    if (snapshot) {
1106
        /* always use cache=unsafe with snapshot */
1107
        bdrv_flags &= ~BDRV_O_CACHE_MASK;
1108
        bdrv_flags |= (BDRV_O_SNAPSHOT|BDRV_O_CACHE_WB|BDRV_O_NO_FLUSH);
1109
    }
1110

    
1111
    if (media == MEDIA_CDROM) {
1112
        /* CDROM is fine for any interface, don't check.  */
1113
        ro = 1;
1114
    } else if (ro == 1) {
1115
        if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY && type != IF_NONE) {
1116
            fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
1117
            return NULL;
1118
        }
1119
    }
1120

    
1121
    bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
1122

    
1123
    ret = bdrv_open(dinfo->bdrv, file, bdrv_flags, drv);
1124
    if (ret < 0) {
1125
        fprintf(stderr, "qemu: could not open disk image %s: %s\n",
1126
                        file, strerror(-ret));
1127
        return NULL;
1128
    }
1129

    
1130
    if (bdrv_key_required(dinfo->bdrv))
1131
        autostart = 0;
1132
    *fatal_error = 0;
1133
    return dinfo;
1134
}
1135

    
1136
static int drive_init_func(QemuOpts *opts, void *opaque)
1137
{
1138
    QEMUMachine *machine = opaque;
1139
    int fatal_error = 0;
1140

    
1141
    if (drive_init(opts, machine, &fatal_error) == NULL) {
1142
        if (fatal_error)
1143
            return 1;
1144
    }
1145
    return 0;
1146
}
1147

    
1148
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1149
{
1150
    if (NULL == qemu_opt_get(opts, "snapshot")) {
1151
        qemu_opt_set(opts, "snapshot", "on");
1152
    }
1153
    return 0;
1154
}
1155

    
1156
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1157
{
1158
    boot_set_handler = func;
1159
    boot_set_opaque = opaque;
1160
}
1161

    
1162
int qemu_boot_set(const char *boot_devices)
1163
{
1164
    if (!boot_set_handler) {
1165
        return -EINVAL;
1166
    }
1167
    return boot_set_handler(boot_set_opaque, boot_devices);
1168
}
1169

    
1170
static void validate_bootdevices(char *devices)
1171
{
1172
    /* We just do some generic consistency checks */
1173
    const char *p;
1174
    int bitmap = 0;
1175

    
1176
    for (p = devices; *p != '\0'; p++) {
1177
        /* Allowed boot devices are:
1178
         * a-b: floppy disk drives
1179
         * c-f: IDE disk drives
1180
         * g-m: machine implementation dependant drives
1181
         * n-p: network devices
1182
         * It's up to each machine implementation to check if the given boot
1183
         * devices match the actual hardware implementation and firmware
1184
         * features.
1185
         */
1186
        if (*p < 'a' || *p > 'p') {
1187
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
1188
            exit(1);
1189
        }
1190
        if (bitmap & (1 << (*p - 'a'))) {
1191
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1192
            exit(1);
1193
        }
1194
        bitmap |= 1 << (*p - 'a');
1195
    }
1196
}
1197

    
1198
static void restore_boot_devices(void *opaque)
1199
{
1200
    char *standard_boot_devices = opaque;
1201
    static int first = 1;
1202

    
1203
    /* Restore boot order and remove ourselves after the first boot */
1204
    if (first) {
1205
        first = 0;
1206
        return;
1207
    }
1208

    
1209
    qemu_boot_set(standard_boot_devices);
1210

    
1211
    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1212
    qemu_free(standard_boot_devices);
1213
}
1214

    
1215
static void numa_add(const char *optarg)
1216
{
1217
    char option[128];
1218
    char *endptr;
1219
    unsigned long long value, endvalue;
1220
    int nodenr;
1221

    
1222
    optarg = get_opt_name(option, 128, optarg, ',') + 1;
1223
    if (!strcmp(option, "node")) {
1224
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1225
            nodenr = nb_numa_nodes;
1226
        } else {
1227
            nodenr = strtoull(option, NULL, 10);
1228
        }
1229

    
1230
        if (get_param_value(option, 128, "mem", optarg) == 0) {
1231
            node_mem[nodenr] = 0;
1232
        } else {
1233
            value = strtoull(option, &endptr, 0);
1234
            switch (*endptr) {
1235
            case 0: case 'M': case 'm':
1236
                value <<= 20;
1237
                break;
1238
            case 'G': case 'g':
1239
                value <<= 30;
1240
                break;
1241
            }
1242
            node_mem[nodenr] = value;
1243
        }
1244
        if (get_param_value(option, 128, "cpus", optarg) == 0) {
1245
            node_cpumask[nodenr] = 0;
1246
        } else {
1247
            value = strtoull(option, &endptr, 10);
1248
            if (value >= 64) {
1249
                value = 63;
1250
                fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
1251
            } else {
1252
                if (*endptr == '-') {
1253
                    endvalue = strtoull(endptr+1, &endptr, 10);
1254
                    if (endvalue >= 63) {
1255
                        endvalue = 62;
1256
                        fprintf(stderr,
1257
                            "only 63 CPUs in NUMA mode supported.\n");
1258
                    }
1259
                    value = (2ULL << endvalue) - (1ULL << value);
1260
                } else {
1261
                    value = 1ULL << value;
1262
                }
1263
            }
1264
            node_cpumask[nodenr] = value;
1265
        }
1266
        nb_numa_nodes++;
1267
    }
1268
    return;
1269
}
1270

    
1271
static void smp_parse(const char *optarg)
1272
{
1273
    int smp, sockets = 0, threads = 0, cores = 0;
1274
    char *endptr;
1275
    char option[128];
1276

    
1277
    smp = strtoul(optarg, &endptr, 10);
1278
    if (endptr != optarg) {
1279
        if (*endptr == ',') {
1280
            endptr++;
1281
        }
1282
    }
1283
    if (get_param_value(option, 128, "sockets", endptr) != 0)
1284
        sockets = strtoull(option, NULL, 10);
1285
    if (get_param_value(option, 128, "cores", endptr) != 0)
1286
        cores = strtoull(option, NULL, 10);
1287
    if (get_param_value(option, 128, "threads", endptr) != 0)
1288
        threads = strtoull(option, NULL, 10);
1289
    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1290
        max_cpus = strtoull(option, NULL, 10);
1291

    
1292
    /* compute missing values, prefer sockets over cores over threads */
1293
    if (smp == 0 || sockets == 0) {
1294
        sockets = sockets > 0 ? sockets : 1;
1295
        cores = cores > 0 ? cores : 1;
1296
        threads = threads > 0 ? threads : 1;
1297
        if (smp == 0) {
1298
            smp = cores * threads * sockets;
1299
        }
1300
    } else {
1301
        if (cores == 0) {
1302
            threads = threads > 0 ? threads : 1;
1303
            cores = smp / (sockets * threads);
1304
        } else {
1305
            if (sockets) {
1306
                threads = smp / (cores * sockets);
1307
            }
1308
        }
1309
    }
1310
    smp_cpus = smp;
1311
    smp_cores = cores > 0 ? cores : 1;
1312
    smp_threads = threads > 0 ? threads : 1;
1313
    if (max_cpus == 0)
1314
        max_cpus = smp_cpus;
1315
}
1316

    
1317
/***********************************************************/
1318
/* USB devices */
1319

    
1320
static int usb_device_add(const char *devname)
1321
{
1322
    const char *p;
1323
    USBDevice *dev = NULL;
1324

    
1325
    if (!usb_enabled)
1326
        return -1;
1327

    
1328
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
1329
    dev = usbdevice_create(devname);
1330
    if (dev)
1331
        goto done;
1332

    
1333
    /* the other ones */
1334
    if (strstart(devname, "host:", &p)) {
1335
        dev = usb_host_device_open(p);
1336
    } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1337
        dev = usb_bt_init(devname[2] ? hci_init(p) :
1338
                        bt_new_hci(qemu_find_bt_vlan(0)));
1339
    } else {
1340
        return -1;
1341
    }
1342
    if (!dev)
1343
        return -1;
1344

    
1345
done:
1346
    return 0;
1347
}
1348

    
1349
static int usb_device_del(const char *devname)
1350
{
1351
    int bus_num, addr;
1352
    const char *p;
1353

    
1354
    if (strstart(devname, "host:", &p))
1355
        return usb_host_device_close(p);
1356

    
1357
    if (!usb_enabled)
1358
        return -1;
1359

    
1360
    p = strchr(devname, '.');
1361
    if (!p)
1362
        return -1;
1363
    bus_num = strtoul(devname, NULL, 0);
1364
    addr = strtoul(p + 1, NULL, 0);
1365

    
1366
    return usb_device_delete_addr(bus_num, addr);
1367
}
1368

    
1369
static int usb_parse(const char *cmdline)
1370
{
1371
    int r;
1372
    r = usb_device_add(cmdline);
1373
    if (r < 0) {
1374
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1375
    }
1376
    return r;
1377
}
1378

    
1379
void do_usb_add(Monitor *mon, const QDict *qdict)
1380
{
1381
    const char *devname = qdict_get_str(qdict, "devname");
1382
    if (usb_device_add(devname) < 0) {
1383
        error_report("could not add USB device '%s'", devname);
1384
    }
1385
}
1386

    
1387
void do_usb_del(Monitor *mon, const QDict *qdict)
1388
{
1389
    const char *devname = qdict_get_str(qdict, "devname");
1390
    if (usb_device_del(devname) < 0) {
1391
        error_report("could not delete USB device '%s'", devname);
1392
    }
1393
}
1394

    
1395
/***********************************************************/
1396
/* PCMCIA/Cardbus */
1397

    
1398
static struct pcmcia_socket_entry_s {
1399
    PCMCIASocket *socket;
1400
    struct pcmcia_socket_entry_s *next;
1401
} *pcmcia_sockets = 0;
1402

    
1403
void pcmcia_socket_register(PCMCIASocket *socket)
1404
{
1405
    struct pcmcia_socket_entry_s *entry;
1406

    
1407
    entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1408
    entry->socket = socket;
1409
    entry->next = pcmcia_sockets;
1410
    pcmcia_sockets = entry;
1411
}
1412

    
1413
void pcmcia_socket_unregister(PCMCIASocket *socket)
1414
{
1415
    struct pcmcia_socket_entry_s *entry, **ptr;
1416

    
1417
    ptr = &pcmcia_sockets;
1418
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1419
        if (entry->socket == socket) {
1420
            *ptr = entry->next;
1421
            qemu_free(entry);
1422
        }
1423
}
1424

    
1425
void pcmcia_info(Monitor *mon)
1426
{
1427
    struct pcmcia_socket_entry_s *iter;
1428

    
1429
    if (!pcmcia_sockets)
1430
        monitor_printf(mon, "No PCMCIA sockets\n");
1431

    
1432
    for (iter = pcmcia_sockets; iter; iter = iter->next)
1433
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1434
                       iter->socket->attached ? iter->socket->card_string :
1435
                       "Empty");
1436
}
1437

    
1438
/***********************************************************/
1439
/* I/O handling */
1440

    
1441
typedef struct IOHandlerRecord {
1442
    int fd;
1443
    IOCanReadHandler *fd_read_poll;
1444
    IOHandler *fd_read;
1445
    IOHandler *fd_write;
1446
    int deleted;
1447
    void *opaque;
1448
    /* temporary data */
1449
    struct pollfd *ufd;
1450
    QLIST_ENTRY(IOHandlerRecord) next;
1451
} IOHandlerRecord;
1452

    
1453
static QLIST_HEAD(, IOHandlerRecord) io_handlers =
1454
    QLIST_HEAD_INITIALIZER(io_handlers);
1455

    
1456

    
1457
/* XXX: fd_read_poll should be suppressed, but an API change is
1458
   necessary in the character devices to suppress fd_can_read(). */
1459
int qemu_set_fd_handler2(int fd,
1460
                         IOCanReadHandler *fd_read_poll,
1461
                         IOHandler *fd_read,
1462
                         IOHandler *fd_write,
1463
                         void *opaque)
1464
{
1465
    IOHandlerRecord *ioh;
1466

    
1467
    if (!fd_read && !fd_write) {
1468
        QLIST_FOREACH(ioh, &io_handlers, next) {
1469
            if (ioh->fd == fd) {
1470
                ioh->deleted = 1;
1471
                break;
1472
            }
1473
        }
1474
    } else {
1475
        QLIST_FOREACH(ioh, &io_handlers, next) {
1476
            if (ioh->fd == fd)
1477
                goto found;
1478
        }
1479
        ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1480
        QLIST_INSERT_HEAD(&io_handlers, ioh, next);
1481
    found:
1482
        ioh->fd = fd;
1483
        ioh->fd_read_poll = fd_read_poll;
1484
        ioh->fd_read = fd_read;
1485
        ioh->fd_write = fd_write;
1486
        ioh->opaque = opaque;
1487
        ioh->deleted = 0;
1488
    }
1489
    return 0;
1490
}
1491

    
1492
int qemu_set_fd_handler(int fd,
1493
                        IOHandler *fd_read,
1494
                        IOHandler *fd_write,
1495
                        void *opaque)
1496
{
1497
    return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
1498
}
1499

    
1500
#ifdef _WIN32
1501
/***********************************************************/
1502
/* Polling handling */
1503

    
1504
typedef struct PollingEntry {
1505
    PollingFunc *func;
1506
    void *opaque;
1507
    struct PollingEntry *next;
1508
} PollingEntry;
1509

    
1510
static PollingEntry *first_polling_entry;
1511

    
1512
int qemu_add_polling_cb(PollingFunc *func, void *opaque)
1513
{
1514
    PollingEntry **ppe, *pe;
1515
    pe = qemu_mallocz(sizeof(PollingEntry));
1516
    pe->func = func;
1517
    pe->opaque = opaque;
1518
    for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
1519
    *ppe = pe;
1520
    return 0;
1521
}
1522

    
1523
void qemu_del_polling_cb(PollingFunc *func, void *opaque)
1524
{
1525
    PollingEntry **ppe, *pe;
1526
    for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
1527
        pe = *ppe;
1528
        if (pe->func == func && pe->opaque == opaque) {
1529
            *ppe = pe->next;
1530
            qemu_free(pe);
1531
            break;
1532
        }
1533
    }
1534
}
1535

    
1536
/***********************************************************/
1537
/* Wait objects support */
1538
typedef struct WaitObjects {
1539
    int num;
1540
    HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
1541
    WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
1542
    void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
1543
} WaitObjects;
1544

    
1545
static WaitObjects wait_objects = {0};
1546

    
1547
int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
1548
{
1549
    WaitObjects *w = &wait_objects;
1550

    
1551
    if (w->num >= MAXIMUM_WAIT_OBJECTS)
1552
        return -1;
1553
    w->events[w->num] = handle;
1554
    w->func[w->num] = func;
1555
    w->opaque[w->num] = opaque;
1556
    w->num++;
1557
    return 0;
1558
}
1559

    
1560
void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
1561
{
1562
    int i, found;
1563
    WaitObjects *w = &wait_objects;
1564

    
1565
    found = 0;
1566
    for (i = 0; i < w->num; i++) {
1567
        if (w->events[i] == handle)
1568
            found = 1;
1569
        if (found) {
1570
            w->events[i] = w->events[i + 1];
1571
            w->func[i] = w->func[i + 1];
1572
            w->opaque[i] = w->opaque[i + 1];
1573
        }
1574
    }
1575
    if (found)
1576
        w->num--;
1577
}
1578
#endif
1579

    
1580
/***********************************************************/
1581
/* machine registration */
1582

    
1583
static QEMUMachine *first_machine = NULL;
1584
QEMUMachine *current_machine = NULL;
1585

    
1586
int qemu_register_machine(QEMUMachine *m)
1587
{
1588
    QEMUMachine **pm;
1589
    pm = &first_machine;
1590
    while (*pm != NULL)
1591
        pm = &(*pm)->next;
1592
    m->next = NULL;
1593
    *pm = m;
1594
    return 0;
1595
}
1596

    
1597
static QEMUMachine *find_machine(const char *name)
1598
{
1599
    QEMUMachine *m;
1600

    
1601
    for(m = first_machine; m != NULL; m = m->next) {
1602
        if (!strcmp(m->name, name))
1603
            return m;
1604
        if (m->alias && !strcmp(m->alias, name))
1605
            return m;
1606
    }
1607
    return NULL;
1608
}
1609

    
1610
static QEMUMachine *find_default_machine(void)
1611
{
1612
    QEMUMachine *m;
1613

    
1614
    for(m = first_machine; m != NULL; m = m->next) {
1615
        if (m->is_default) {
1616
            return m;
1617
        }
1618
    }
1619
    return NULL;
1620
}
1621

    
1622
/***********************************************************/
1623
/* main execution loop */
1624

    
1625
static void gui_update(void *opaque)
1626
{
1627
    uint64_t interval = GUI_REFRESH_INTERVAL;
1628
    DisplayState *ds = opaque;
1629
    DisplayChangeListener *dcl = ds->listeners;
1630

    
1631
    qemu_flush_coalesced_mmio_buffer();
1632
    dpy_refresh(ds);
1633

    
1634
    while (dcl != NULL) {
1635
        if (dcl->gui_timer_interval &&
1636
            dcl->gui_timer_interval < interval)
1637
            interval = dcl->gui_timer_interval;
1638
        dcl = dcl->next;
1639
    }
1640
    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1641
}
1642

    
1643
static void nographic_update(void *opaque)
1644
{
1645
    uint64_t interval = GUI_REFRESH_INTERVAL;
1646

    
1647
    qemu_flush_coalesced_mmio_buffer();
1648
    qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1649
}
1650

    
1651
struct vm_change_state_entry {
1652
    VMChangeStateHandler *cb;
1653
    void *opaque;
1654
    QLIST_ENTRY (vm_change_state_entry) entries;
1655
};
1656

    
1657
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1658

    
1659
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1660
                                                     void *opaque)
1661
{
1662
    VMChangeStateEntry *e;
1663

    
1664
    e = qemu_mallocz(sizeof (*e));
1665

    
1666
    e->cb = cb;
1667
    e->opaque = opaque;
1668
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1669
    return e;
1670
}
1671

    
1672
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1673
{
1674
    QLIST_REMOVE (e, entries);
1675
    qemu_free (e);
1676
}
1677

    
1678
void vm_state_notify(int running, int reason)
1679
{
1680
    VMChangeStateEntry *e;
1681

    
1682
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1683
        e->cb(e->opaque, running, reason);
1684
    }
1685
}
1686

    
1687
void vm_start(void)
1688
{
1689
    if (!vm_running) {
1690
        cpu_enable_ticks();
1691
        vm_running = 1;
1692
        vm_state_notify(1, 0);
1693
        resume_all_vcpus();
1694
        monitor_protocol_event(QEVENT_RESUME, NULL);
1695
    }
1696
}
1697

    
1698
/* reset/shutdown handler */
1699

    
1700
typedef struct QEMUResetEntry {
1701
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1702
    QEMUResetHandler *func;
1703
    void *opaque;
1704
} QEMUResetEntry;
1705

    
1706
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1707
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1708
static int reset_requested;
1709
static int shutdown_requested;
1710
static int powerdown_requested;
1711
int debug_requested;
1712
int vmstop_requested;
1713

    
1714
int qemu_shutdown_requested(void)
1715
{
1716
    int r = shutdown_requested;
1717
    shutdown_requested = 0;
1718
    return r;
1719
}
1720

    
1721
int qemu_reset_requested(void)
1722
{
1723
    int r = reset_requested;
1724
    reset_requested = 0;
1725
    return r;
1726
}
1727

    
1728
int qemu_powerdown_requested(void)
1729
{
1730
    int r = powerdown_requested;
1731
    powerdown_requested = 0;
1732
    return r;
1733
}
1734

    
1735
static int qemu_debug_requested(void)
1736
{
1737
    int r = debug_requested;
1738
    debug_requested = 0;
1739
    return r;
1740
}
1741

    
1742
static int qemu_vmstop_requested(void)
1743
{
1744
    int r = vmstop_requested;
1745
    vmstop_requested = 0;
1746
    return r;
1747
}
1748

    
1749
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1750
{
1751
    QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1752

    
1753
    re->func = func;
1754
    re->opaque = opaque;
1755
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1756
}
1757

    
1758
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1759
{
1760
    QEMUResetEntry *re;
1761

    
1762
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1763
        if (re->func == func && re->opaque == opaque) {
1764
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1765
            qemu_free(re);
1766
            return;
1767
        }
1768
    }
1769
}
1770

    
1771
void qemu_system_reset(void)
1772
{
1773
    QEMUResetEntry *re, *nre;
1774

    
1775
    /* reset all devices */
1776
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1777
        re->func(re->opaque);
1778
    }
1779
    monitor_protocol_event(QEVENT_RESET, NULL);
1780
    cpu_synchronize_all_post_reset();
1781
}
1782

    
1783
void qemu_system_reset_request(void)
1784
{
1785
    if (no_reboot) {
1786
        shutdown_requested = 1;
1787
    } else {
1788
        reset_requested = 1;
1789
    }
1790
    qemu_notify_event();
1791
}
1792

    
1793
void qemu_system_shutdown_request(void)
1794
{
1795
    shutdown_requested = 1;
1796
    qemu_notify_event();
1797
}
1798

    
1799
void qemu_system_powerdown_request(void)
1800
{
1801
    powerdown_requested = 1;
1802
    qemu_notify_event();
1803
}
1804

    
1805
#ifdef _WIN32
1806
static void host_main_loop_wait(int *timeout)
1807
{
1808
    int ret, ret2, i;
1809
    PollingEntry *pe;
1810

    
1811

    
1812
    /* XXX: need to suppress polling by better using win32 events */
1813
    ret = 0;
1814
    for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
1815
        ret |= pe->func(pe->opaque);
1816
    }
1817
    if (ret == 0) {
1818
        int err;
1819
        WaitObjects *w = &wait_objects;
1820

    
1821
        ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
1822
        if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
1823
            if (w->func[ret - WAIT_OBJECT_0])
1824
                w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
1825

    
1826
            /* Check for additional signaled events */
1827
            for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
1828

    
1829
                /* Check if event is signaled */
1830
                ret2 = WaitForSingleObject(w->events[i], 0);
1831
                if(ret2 == WAIT_OBJECT_0) {
1832
                    if (w->func[i])
1833
                        w->func[i](w->opaque[i]);
1834
                } else if (ret2 == WAIT_TIMEOUT) {
1835
                } else {
1836
                    err = GetLastError();
1837
                    fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
1838
                }
1839
            }
1840
        } else if (ret == WAIT_TIMEOUT) {
1841
        } else {
1842
            err = GetLastError();
1843
            fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
1844
        }
1845
    }
1846

    
1847
    *timeout = 0;
1848
}
1849
#else
1850
static void host_main_loop_wait(int *timeout)
1851
{
1852
}
1853
#endif
1854

    
1855
void main_loop_wait(int nonblocking)
1856
{
1857
    IOHandlerRecord *ioh;
1858
    fd_set rfds, wfds, xfds;
1859
    int ret, nfds;
1860
    struct timeval tv;
1861
    int timeout;
1862

    
1863
    if (nonblocking)
1864
        timeout = 0;
1865
    else {
1866
        timeout = qemu_calculate_timeout();
1867
        qemu_bh_update_timeout(&timeout);
1868
    }
1869

    
1870
    host_main_loop_wait(&timeout);
1871

    
1872
    /* poll any events */
1873
    /* XXX: separate device handlers from system ones */
1874
    nfds = -1;
1875
    FD_ZERO(&rfds);
1876
    FD_ZERO(&wfds);
1877
    FD_ZERO(&xfds);
1878
    QLIST_FOREACH(ioh, &io_handlers, next) {
1879
        if (ioh->deleted)
1880
            continue;
1881
        if (ioh->fd_read &&
1882
            (!ioh->fd_read_poll ||
1883
             ioh->fd_read_poll(ioh->opaque) != 0)) {
1884
            FD_SET(ioh->fd, &rfds);
1885
            if (ioh->fd > nfds)
1886
                nfds = ioh->fd;
1887
        }
1888
        if (ioh->fd_write) {
1889
            FD_SET(ioh->fd, &wfds);
1890
            if (ioh->fd > nfds)
1891
                nfds = ioh->fd;
1892
        }
1893
    }
1894

    
1895
    tv.tv_sec = timeout / 1000;
1896
    tv.tv_usec = (timeout % 1000) * 1000;
1897

    
1898
    slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1899

    
1900
    qemu_mutex_unlock_iothread();
1901
    ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1902
    qemu_mutex_lock_iothread();
1903
    if (ret > 0) {
1904
        IOHandlerRecord *pioh;
1905

    
1906
        QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1907
            if (ioh->deleted) {
1908
                QLIST_REMOVE(ioh, next);
1909
                qemu_free(ioh);
1910
                continue;
1911
            }
1912
            if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1913
                ioh->fd_read(ioh->opaque);
1914
            }
1915
            if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1916
                ioh->fd_write(ioh->opaque);
1917
            }
1918
        }
1919
    }
1920

    
1921
    slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1922

    
1923
    qemu_run_all_timers();
1924

    
1925
    /* Check bottom-halves last in case any of the earlier events triggered
1926
       them.  */
1927
    qemu_bh_poll();
1928

    
1929
}
1930

    
1931
static int vm_can_run(void)
1932
{
1933
    if (powerdown_requested)
1934
        return 0;
1935
    if (reset_requested)
1936
        return 0;
1937
    if (shutdown_requested)
1938
        return 0;
1939
    if (debug_requested)
1940
        return 0;
1941
    return 1;
1942
}
1943

    
1944
qemu_irq qemu_system_powerdown;
1945

    
1946
static void main_loop(void)
1947
{
1948
    int r;
1949

    
1950
    qemu_main_loop_start();
1951

    
1952
    for (;;) {
1953
        do {
1954
            bool nonblocking = false;
1955
#ifdef CONFIG_PROFILER
1956
            int64_t ti;
1957
#endif
1958
#ifndef CONFIG_IOTHREAD
1959
            nonblocking = tcg_cpu_exec();
1960
#endif
1961
#ifdef CONFIG_PROFILER
1962
            ti = profile_getclock();
1963
#endif
1964
            main_loop_wait(nonblocking);
1965
#ifdef CONFIG_PROFILER
1966
            dev_time += profile_getclock() - ti;
1967
#endif
1968
        } while (vm_can_run());
1969

    
1970
        if ((r = qemu_debug_requested())) {
1971
            vm_stop(r);
1972
        }
1973
        if (qemu_shutdown_requested()) {
1974
            monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1975
            if (no_shutdown) {
1976
                vm_stop(0);
1977
                no_shutdown = 0;
1978
            } else
1979
                break;
1980
        }
1981
        if (qemu_reset_requested()) {
1982
            pause_all_vcpus();
1983
            qemu_system_reset();
1984
            resume_all_vcpus();
1985
        }
1986
        if (qemu_powerdown_requested()) {
1987
            monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1988
            qemu_irq_raise(qemu_system_powerdown);
1989
        }
1990
        if ((r = qemu_vmstop_requested())) {
1991
            vm_stop(r);
1992
        }
1993
    }
1994
    pause_all_vcpus();
1995
}
1996

    
1997
static void version(void)
1998
{
1999
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2000
}
2001

    
2002
static void help(int exitcode)
2003
{
2004
    const char *options_help =
2005
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
2006
        opt_help
2007
#define DEFHEADING(text) stringify(text) "\n"
2008
#include "qemu-options.h"
2009
#undef DEF
2010
#undef DEFHEADING
2011
#undef GEN_DOCS
2012
        ;
2013
    version();
2014
    printf("usage: %s [options] [disk_image]\n"
2015
           "\n"
2016
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
2017
           "\n"
2018
           "%s\n"
2019
           "During emulation, the following keys are useful:\n"
2020
           "ctrl-alt-f      toggle full screen\n"
2021
           "ctrl-alt-n      switch to virtual console 'n'\n"
2022
           "ctrl-alt        toggle mouse and keyboard grab\n"
2023
           "\n"
2024
           "When using -nographic, press 'ctrl-a h' to get some help.\n",
2025
           "qemu",
2026
           options_help);
2027
    exit(exitcode);
2028
}
2029

    
2030
#define HAS_ARG 0x0001
2031

    
2032
enum {
2033
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
2034
    opt_enum,
2035
#define DEFHEADING(text)
2036
#include "qemu-options.h"
2037
#undef DEF
2038
#undef DEFHEADING
2039
#undef GEN_DOCS
2040
};
2041

    
2042
typedef struct QEMUOption {
2043
    const char *name;
2044
    int flags;
2045
    int index;
2046
    uint32_t arch_mask;
2047
} QEMUOption;
2048

    
2049
static const QEMUOption qemu_options[] = {
2050
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2051
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
2052
    { option, opt_arg, opt_enum, arch_mask },
2053
#define DEFHEADING(text)
2054
#include "qemu-options.h"
2055
#undef DEF
2056
#undef DEFHEADING
2057
#undef GEN_DOCS
2058
    { NULL },
2059
};
2060
static void select_vgahw (const char *p)
2061
{
2062
    const char *opts;
2063

    
2064
    default_vga = 0;
2065
    vga_interface_type = VGA_NONE;
2066
    if (strstart(p, "std", &opts)) {
2067
        vga_interface_type = VGA_STD;
2068
    } else if (strstart(p, "cirrus", &opts)) {
2069
        vga_interface_type = VGA_CIRRUS;
2070
    } else if (strstart(p, "vmware", &opts)) {
2071
        vga_interface_type = VGA_VMWARE;
2072
    } else if (strstart(p, "xenfb", &opts)) {
2073
        vga_interface_type = VGA_XENFB;
2074
    } else if (!strstart(p, "none", &opts)) {
2075
    invalid_vga:
2076
        fprintf(stderr, "Unknown vga type: %s\n", p);
2077
        exit(1);
2078
    }
2079
    while (*opts) {
2080
        const char *nextopt;
2081

    
2082
        if (strstart(opts, ",retrace=", &nextopt)) {
2083
            opts = nextopt;
2084
            if (strstart(opts, "dumb", &nextopt))
2085
                vga_retrace_method = VGA_RETRACE_DUMB;
2086
            else if (strstart(opts, "precise", &nextopt))
2087
                vga_retrace_method = VGA_RETRACE_PRECISE;
2088
            else goto invalid_vga;
2089
        } else goto invalid_vga;
2090
        opts = nextopt;
2091
    }
2092
}
2093

    
2094
static int balloon_parse(const char *arg)
2095
{
2096
    QemuOpts *opts;
2097

    
2098
    if (strcmp(arg, "none") == 0) {
2099
        return 0;
2100
    }
2101

    
2102
    if (!strncmp(arg, "virtio", 6)) {
2103
        if (arg[6] == ',') {
2104
            /* have params -> parse them */
2105
            opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
2106
            if (!opts)
2107
                return  -1;
2108
        } else {
2109
            /* create empty opts */
2110
            opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2111
        }
2112
        qemu_opt_set(opts, "driver", "virtio-balloon-pci");
2113
        return 0;
2114
    }
2115

    
2116
    return -1;
2117
}
2118

    
2119
#ifdef _WIN32
2120
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
2121
{
2122
    exit(STATUS_CONTROL_C_EXIT);
2123
    return TRUE;
2124
}
2125
#endif
2126

    
2127
#ifndef _WIN32
2128

    
2129
static void termsig_handler(int signal)
2130
{
2131
    qemu_system_shutdown_request();
2132
}
2133

    
2134
static void sigchld_handler(int signal)
2135
{
2136
    waitpid(-1, NULL, WNOHANG);
2137
}
2138

    
2139
static void sighandler_setup(void)
2140
{
2141
    struct sigaction act;
2142

    
2143
    memset(&act, 0, sizeof(act));
2144
    act.sa_handler = termsig_handler;
2145
    sigaction(SIGINT,  &act, NULL);
2146
    sigaction(SIGHUP,  &act, NULL);
2147
    sigaction(SIGTERM, &act, NULL);
2148

    
2149
    act.sa_handler = sigchld_handler;
2150
    act.sa_flags = SA_NOCLDSTOP;
2151
    sigaction(SIGCHLD, &act, NULL);
2152
}
2153

    
2154
#endif
2155

    
2156
#ifdef _WIN32
2157
/* Look for support files in the same directory as the executable.  */
2158
static char *find_datadir(const char *argv0)
2159
{
2160
    char *p;
2161
    char buf[MAX_PATH];
2162
    DWORD len;
2163

    
2164
    len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
2165
    if (len == 0) {
2166
        return NULL;
2167
    }
2168

    
2169
    buf[len] = 0;
2170
    p = buf + len - 1;
2171
    while (p != buf && *p != '\\')
2172
        p--;
2173
    *p = 0;
2174
    if (access(buf, R_OK) == 0) {
2175
        return qemu_strdup(buf);
2176
    }
2177
    return NULL;
2178
}
2179
#else /* !_WIN32 */
2180

    
2181
/* Find a likely location for support files using the location of the binary.
2182
   For installed binaries this will be "$bindir/../share/qemu".  When
2183
   running from the build tree this will be "$bindir/../pc-bios".  */
2184
#define SHARE_SUFFIX "/share/qemu"
2185
#define BUILD_SUFFIX "/pc-bios"
2186
static char *find_datadir(const char *argv0)
2187
{
2188
    char *dir;
2189
    char *p = NULL;
2190
    char *res;
2191
    char buf[PATH_MAX];
2192
    size_t max_len;
2193

    
2194
#if defined(__linux__)
2195
    {
2196
        int len;
2197
        len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
2198
        if (len > 0) {
2199
            buf[len] = 0;
2200
            p = buf;
2201
        }
2202
    }
2203
#elif defined(__FreeBSD__)
2204
    {
2205
        static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
2206
        size_t len = sizeof(buf) - 1;
2207

    
2208
        *buf = '\0';
2209
        if (!sysctl(mib, sizeof(mib)/sizeof(*mib), buf, &len, NULL, 0) &&
2210
            *buf) {
2211
            buf[sizeof(buf) - 1] = '\0';
2212
            p = buf;
2213
        }
2214
    }
2215
#endif
2216
    /* If we don't have any way of figuring out the actual executable
2217
       location then try argv[0].  */
2218
    if (!p) {
2219
        p = realpath(argv0, buf);
2220
        if (!p) {
2221
            return NULL;
2222
        }
2223
    }
2224
    dir = dirname(p);
2225
    dir = dirname(dir);
2226

    
2227
    max_len = strlen(dir) +
2228
        MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
2229
    res = qemu_mallocz(max_len);
2230
    snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
2231
    if (access(res, R_OK)) {
2232
        snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
2233
        if (access(res, R_OK)) {
2234
            qemu_free(res);
2235
            res = NULL;
2236
        }
2237
    }
2238

    
2239
    return res;
2240
}
2241
#undef SHARE_SUFFIX
2242
#undef BUILD_SUFFIX
2243
#endif
2244

    
2245
char *qemu_find_file(int type, const char *name)
2246
{
2247
    int len;
2248
    const char *subdir;
2249
    char *buf;
2250

    
2251
    /* If name contains path separators then try it as a straight path.  */
2252
    if ((strchr(name, '/') || strchr(name, '\\'))
2253
        && access(name, R_OK) == 0) {
2254
        return qemu_strdup(name);
2255
    }
2256
    switch (type) {
2257
    case QEMU_FILE_TYPE_BIOS:
2258
        subdir = "";
2259
        break;
2260
    case QEMU_FILE_TYPE_KEYMAP:
2261
        subdir = "keymaps/";
2262
        break;
2263
    default:
2264
        abort();
2265
    }
2266
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2267
    buf = qemu_mallocz(len);
2268
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2269
    if (access(buf, R_OK)) {
2270
        qemu_free(buf);
2271
        return NULL;
2272
    }
2273
    return buf;
2274
}
2275

    
2276
static int device_help_func(QemuOpts *opts, void *opaque)
2277
{
2278
    return qdev_device_help(opts);
2279
}
2280

    
2281
static int device_init_func(QemuOpts *opts, void *opaque)
2282
{
2283
    DeviceState *dev;
2284

    
2285
    dev = qdev_device_add(opts);
2286
    if (!dev)
2287
        return -1;
2288
    return 0;
2289
}
2290

    
2291
static int chardev_init_func(QemuOpts *opts, void *opaque)
2292
{
2293
    CharDriverState *chr;
2294

    
2295
    chr = qemu_chr_open_opts(opts, NULL);
2296
    if (!chr)
2297
        return -1;
2298
    return 0;
2299
}
2300

    
2301
#ifdef CONFIG_LINUX
2302
static int fsdev_init_func(QemuOpts *opts, void *opaque)
2303
{
2304
    int ret;
2305
    ret = qemu_fsdev_add(opts);
2306

    
2307
    return ret;
2308
}
2309
#endif
2310

    
2311
static int mon_init_func(QemuOpts *opts, void *opaque)
2312
{
2313
    CharDriverState *chr;
2314
    const char *chardev;
2315
    const char *mode;
2316
    int flags;
2317

    
2318
    mode = qemu_opt_get(opts, "mode");
2319
    if (mode == NULL) {
2320
        mode = "readline";
2321
    }
2322
    if (strcmp(mode, "readline") == 0) {
2323
        flags = MONITOR_USE_READLINE;
2324
    } else if (strcmp(mode, "control") == 0) {
2325
        flags = MONITOR_USE_CONTROL;
2326
    } else {
2327
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2328
        exit(1);
2329
    }
2330

    
2331
    if (qemu_opt_get_bool(opts, "default", 0))
2332
        flags |= MONITOR_IS_DEFAULT;
2333

    
2334
    chardev = qemu_opt_get(opts, "chardev");
2335
    chr = qemu_chr_find(chardev);
2336
    if (chr == NULL) {
2337
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2338
        exit(1);
2339
    }
2340

    
2341
    monitor_init(chr, flags);
2342
    return 0;
2343
}
2344

    
2345
static void monitor_parse(const char *optarg, const char *mode)
2346
{
2347
    static int monitor_device_index = 0;
2348
    QemuOpts *opts;
2349
    const char *p;
2350
    char label[32];
2351
    int def = 0;
2352

    
2353
    if (strstart(optarg, "chardev:", &p)) {
2354
        snprintf(label, sizeof(label), "%s", p);
2355
    } else {
2356
        snprintf(label, sizeof(label), "compat_monitor%d",
2357
                 monitor_device_index);
2358
        if (monitor_device_index == 0) {
2359
            def = 1;
2360
        }
2361
        opts = qemu_chr_parse_compat(label, optarg);
2362
        if (!opts) {
2363
            fprintf(stderr, "parse error: %s\n", optarg);
2364
            exit(1);
2365
        }
2366
    }
2367

    
2368
    opts = qemu_opts_create(&qemu_mon_opts, label, 1);
2369
    if (!opts) {
2370
        fprintf(stderr, "duplicate chardev: %s\n", label);
2371
        exit(1);
2372
    }
2373
    qemu_opt_set(opts, "mode", mode);
2374
    qemu_opt_set(opts, "chardev", label);
2375
    if (def)
2376
        qemu_opt_set(opts, "default", "on");
2377
    monitor_device_index++;
2378
}
2379

    
2380
struct device_config {
2381
    enum {
2382
        DEV_USB,       /* -usbdevice     */
2383
        DEV_BT,        /* -bt            */
2384
        DEV_SERIAL,    /* -serial        */
2385
        DEV_PARALLEL,  /* -parallel      */
2386
        DEV_VIRTCON,   /* -virtioconsole */
2387
        DEV_DEBUGCON,  /* -debugcon */
2388
    } type;
2389
    const char *cmdline;
2390
    QTAILQ_ENTRY(device_config) next;
2391
};
2392
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2393

    
2394
static void add_device_config(int type, const char *cmdline)
2395
{
2396
    struct device_config *conf;
2397

    
2398
    conf = qemu_mallocz(sizeof(*conf));
2399
    conf->type = type;
2400
    conf->cmdline = cmdline;
2401
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2402
}
2403

    
2404
static int foreach_device_config(int type, int (*func)(const char *cmdline))
2405
{
2406
    struct device_config *conf;
2407
    int rc;
2408

    
2409
    QTAILQ_FOREACH(conf, &device_configs, next) {
2410
        if (conf->type != type)
2411
            continue;
2412
        rc = func(conf->cmdline);
2413
        if (0 != rc)
2414
            return rc;
2415
    }
2416
    return 0;
2417
}
2418

    
2419
static int serial_parse(const char *devname)
2420
{
2421
    static int index = 0;
2422
    char label[32];
2423

    
2424
    if (strcmp(devname, "none") == 0)
2425
        return 0;
2426
    if (index == MAX_SERIAL_PORTS) {
2427
        fprintf(stderr, "qemu: too many serial ports\n");
2428
        exit(1);
2429
    }
2430
    snprintf(label, sizeof(label), "serial%d", index);
2431
    serial_hds[index] = qemu_chr_open(label, devname, NULL);
2432
    if (!serial_hds[index]) {
2433
        fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
2434
                devname, strerror(errno));
2435
        return -1;
2436
    }
2437
    index++;
2438
    return 0;
2439
}
2440

    
2441
static int parallel_parse(const char *devname)
2442
{
2443
    static int index = 0;
2444
    char label[32];
2445

    
2446
    if (strcmp(devname, "none") == 0)
2447
        return 0;
2448
    if (index == MAX_PARALLEL_PORTS) {
2449
        fprintf(stderr, "qemu: too many parallel ports\n");
2450
        exit(1);
2451
    }
2452
    snprintf(label, sizeof(label), "parallel%d", index);
2453
    parallel_hds[index] = qemu_chr_open(label, devname, NULL);
2454
    if (!parallel_hds[index]) {
2455
        fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2456
                devname, strerror(errno));
2457
        return -1;
2458
    }
2459
    index++;
2460
    return 0;
2461
}
2462

    
2463
static int virtcon_parse(const char *devname)
2464
{
2465
    static int index = 0;
2466
    char label[32];
2467
    QemuOpts *bus_opts, *dev_opts;
2468

    
2469
    if (strcmp(devname, "none") == 0)
2470
        return 0;
2471
    if (index == MAX_VIRTIO_CONSOLES) {
2472
        fprintf(stderr, "qemu: too many virtio consoles\n");
2473
        exit(1);
2474
    }
2475

    
2476
    bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2477
    qemu_opt_set(bus_opts, "driver", "virtio-serial");
2478

    
2479
    dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2480
    qemu_opt_set(dev_opts, "driver", "virtconsole");
2481

    
2482
    snprintf(label, sizeof(label), "virtcon%d", index);
2483
    virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
2484
    if (!virtcon_hds[index]) {
2485
        fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2486
                devname, strerror(errno));
2487
        return -1;
2488
    }
2489
    qemu_opt_set(dev_opts, "chardev", label);
2490

    
2491
    index++;
2492
    return 0;
2493
}
2494

    
2495
static int debugcon_parse(const char *devname)
2496
{   
2497
    QemuOpts *opts;
2498

    
2499
    if (!qemu_chr_open("debugcon", devname, NULL)) {
2500
        exit(1);
2501
    }
2502
    opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1);
2503
    if (!opts) {
2504
        fprintf(stderr, "qemu: already have a debugcon device\n");
2505
        exit(1);
2506
    }
2507
    qemu_opt_set(opts, "driver", "isa-debugcon");
2508
    qemu_opt_set(opts, "chardev", "debugcon");
2509
    return 0;
2510
}
2511

    
2512
static const QEMUOption *lookup_opt(int argc, char **argv,
2513
                                    const char **poptarg, int *poptind)
2514
{
2515
    const QEMUOption *popt;
2516
    int optind = *poptind;
2517
    char *r = argv[optind];
2518
    const char *optarg;
2519

    
2520
    loc_set_cmdline(argv, optind, 1);
2521
    optind++;
2522
    /* Treat --foo the same as -foo.  */
2523
    if (r[1] == '-')
2524
        r++;
2525
    popt = qemu_options;
2526
    for(;;) {
2527
        if (!popt->name) {
2528
            error_report("invalid option");
2529
            exit(1);
2530
        }
2531
        if (!strcmp(popt->name, r + 1))
2532
            break;
2533
        popt++;
2534
    }
2535
    if (popt->flags & HAS_ARG) {
2536
        if (optind >= argc) {
2537
            error_report("requires an argument");
2538
            exit(1);
2539
        }
2540
        optarg = argv[optind++];
2541
        loc_set_cmdline(argv, optind - 2, 2);
2542
    } else {
2543
        optarg = NULL;
2544
    }
2545

    
2546
    *poptarg = optarg;
2547
    *poptind = optind;
2548

    
2549
    return popt;
2550
}
2551

    
2552
int main(int argc, char **argv, char **envp)
2553
{
2554
    const char *gdbstub_dev = NULL;
2555
    int i;
2556
    int snapshot, linux_boot;
2557
    const char *icount_option = NULL;
2558
    const char *initrd_filename;
2559
    const char *kernel_filename, *kernel_cmdline;
2560
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2561
    DisplayState *ds;
2562
    DisplayChangeListener *dcl;
2563
    int cyls, heads, secs, translation;
2564
    QemuOpts *hda_opts = NULL, *opts;
2565
    int optind;
2566
    const char *optarg;
2567
    const char *loadvm = NULL;
2568
    QEMUMachine *machine;
2569
    const char *cpu_model;
2570
#ifndef _WIN32
2571
    int fds[2];
2572
#endif
2573
    int tb_size;
2574
    const char *pid_file = NULL;
2575
    const char *incoming = NULL;
2576
#ifndef _WIN32
2577
    int fd = 0;
2578
    struct passwd *pwd = NULL;
2579
    const char *chroot_dir = NULL;
2580
    const char *run_as = NULL;
2581
#endif
2582
    int show_vnc_port = 0;
2583
    int defconfig = 1;
2584

    
2585
    error_set_progname(argv[0]);
2586

    
2587
    init_clocks();
2588

    
2589
    qemu_cache_utils_init(envp);
2590

    
2591
    QLIST_INIT (&vm_change_state_head);
2592
#ifndef _WIN32
2593
    {
2594
        struct sigaction act;
2595
        sigfillset(&act.sa_mask);
2596
        act.sa_flags = 0;
2597
        act.sa_handler = SIG_IGN;
2598
        sigaction(SIGPIPE, &act, NULL);
2599
    }
2600
#else
2601
    SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
2602
    /* Note: cpu_interrupt() is currently not SMP safe, so we force
2603
       QEMU to run on a single CPU */
2604
    {
2605
        HANDLE h;
2606
        DWORD mask, smask;
2607
        int i;
2608
        h = GetCurrentProcess();
2609
        if (GetProcessAffinityMask(h, &mask, &smask)) {
2610
            for(i = 0; i < 32; i++) {
2611
                if (mask & (1 << i))
2612
                    break;
2613
            }
2614
            if (i != 32) {
2615
                mask = 1 << i;
2616
                SetProcessAffinityMask(h, mask);
2617
            }
2618
        }
2619
    }
2620
#endif
2621

    
2622
    module_call_init(MODULE_INIT_MACHINE);
2623
    machine = find_default_machine();
2624
    cpu_model = NULL;
2625
    initrd_filename = NULL;
2626
    ram_size = 0;
2627
    snapshot = 0;
2628
    kernel_filename = NULL;
2629
    kernel_cmdline = "";
2630
    cyls = heads = secs = 0;
2631
    translation = BIOS_ATA_TRANSLATION_AUTO;
2632

    
2633
    for (i = 0; i < MAX_NODES; i++) {
2634
        node_mem[i] = 0;
2635
        node_cpumask[i] = 0;
2636
    }
2637

    
2638
    nb_numa_nodes = 0;
2639
    nb_nics = 0;
2640

    
2641
    tb_size = 0;
2642
    autostart= 1;
2643

    
2644
    /* first pass of option parsing */
2645
    optind = 1;
2646
    while (optind < argc) {
2647
        if (argv[optind][0] != '-') {
2648
            /* disk image */
2649
            optind++;
2650
            continue;
2651
        } else {
2652
            const QEMUOption *popt;
2653

    
2654
            popt = lookup_opt(argc, argv, &optarg, &optind);
2655
            switch (popt->index) {
2656
            case QEMU_OPTION_nodefconfig:
2657
                defconfig=0;
2658
                break;
2659
            }
2660
        }
2661
    }
2662

    
2663
    if (defconfig) {
2664
        int ret;
2665

    
2666
        ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2667
        if (ret < 0 && ret != -ENOENT) {
2668
            exit(1);
2669
        }
2670

    
2671
        ret = qemu_read_config_file(arch_config_name);
2672
        if (ret < 0 && ret != -ENOENT) {
2673
            exit(1);
2674
        }
2675
    }
2676
    cpudef_init();
2677

    
2678
    /* second pass of option parsing */
2679
    optind = 1;
2680
    for(;;) {
2681
        if (optind >= argc)
2682
            break;
2683
        if (argv[optind][0] != '-') {
2684
            hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
2685
        } else {
2686
            const QEMUOption *popt;
2687

    
2688
            popt = lookup_opt(argc, argv, &optarg, &optind);
2689
            if (!(popt->arch_mask & arch_type)) {
2690
                printf("Option %s not supported for this target\n", popt->name);
2691
                exit(1);
2692
            }
2693
            switch(popt->index) {
2694
            case QEMU_OPTION_M:
2695
                machine = find_machine(optarg);
2696
                if (!machine) {
2697
                    QEMUMachine *m;
2698
                    printf("Supported machines are:\n");
2699
                    for(m = first_machine; m != NULL; m = m->next) {
2700
                        if (m->alias)
2701
                            printf("%-10s %s (alias of %s)\n",
2702
                                   m->alias, m->desc, m->name);
2703
                        printf("%-10s %s%s\n",
2704
                               m->name, m->desc,
2705
                               m->is_default ? " (default)" : "");
2706
                    }
2707
                    exit(*optarg != '?');
2708
                }
2709
                break;
2710
            case QEMU_OPTION_cpu:
2711
                /* hw initialization will check this */
2712
                if (*optarg == '?') {
2713
                    list_cpus(stdout, &fprintf, optarg);
2714
                    exit(0);
2715
                } else {
2716
                    cpu_model = optarg;
2717
                }
2718
                break;
2719
            case QEMU_OPTION_initrd:
2720
                initrd_filename = optarg;
2721
                break;
2722
            case QEMU_OPTION_hda:
2723
                if (cyls == 0)
2724
                    hda_opts = drive_add(optarg, HD_ALIAS, 0);
2725
                else
2726
                    hda_opts = drive_add(optarg, HD_ALIAS
2727
                             ",cyls=%d,heads=%d,secs=%d%s",
2728
                             0, cyls, heads, secs,
2729
                             translation == BIOS_ATA_TRANSLATION_LBA ?
2730
                                 ",trans=lba" :
2731
                             translation == BIOS_ATA_TRANSLATION_NONE ?
2732
                                 ",trans=none" : "");
2733
                 break;
2734
            case QEMU_OPTION_hdb:
2735
            case QEMU_OPTION_hdc:
2736
            case QEMU_OPTION_hdd:
2737
                drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
2738
                break;
2739
            case QEMU_OPTION_drive:
2740
                drive_add(NULL, "%s", optarg);
2741
                break;
2742
            case QEMU_OPTION_set:
2743
                if (qemu_set_option(optarg) != 0)
2744
                    exit(1);
2745
                break;
2746
            case QEMU_OPTION_global:
2747
                if (qemu_global_option(optarg) != 0)
2748
                    exit(1);
2749
                break;
2750
            case QEMU_OPTION_mtdblock:
2751
                drive_add(optarg, MTD_ALIAS);
2752
                break;
2753
            case QEMU_OPTION_sd:
2754
                drive_add(optarg, SD_ALIAS);
2755
                break;
2756
            case QEMU_OPTION_pflash:
2757
                drive_add(optarg, PFLASH_ALIAS);
2758
                break;
2759
            case QEMU_OPTION_snapshot:
2760
                snapshot = 1;
2761
                break;
2762
            case QEMU_OPTION_hdachs:
2763
                {
2764
                    const char *p;
2765
                    p = optarg;
2766
                    cyls = strtol(p, (char **)&p, 0);
2767
                    if (cyls < 1 || cyls > 16383)
2768
                        goto chs_fail;
2769
                    if (*p != ',')
2770
                        goto chs_fail;
2771
                    p++;
2772
                    heads = strtol(p, (char **)&p, 0);
2773
                    if (heads < 1 || heads > 16)
2774
                        goto chs_fail;
2775
                    if (*p != ',')
2776
                        goto chs_fail;
2777
                    p++;
2778
                    secs = strtol(p, (char **)&p, 0);
2779
                    if (secs < 1 || secs > 63)
2780
                        goto chs_fail;
2781
                    if (*p == ',') {
2782
                        p++;
2783
                        if (!strcmp(p, "none"))
2784
                            translation = BIOS_ATA_TRANSLATION_NONE;
2785
                        else if (!strcmp(p, "lba"))
2786
                            translation = BIOS_ATA_TRANSLATION_LBA;
2787
                        else if (!strcmp(p, "auto"))
2788
                            translation = BIOS_ATA_TRANSLATION_AUTO;
2789
                        else
2790
                            goto chs_fail;
2791
                    } else if (*p != '\0') {
2792
                    chs_fail:
2793
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
2794
                        exit(1);
2795
                    }
2796
                    if (hda_opts != NULL) {
2797
                        char num[16];
2798
                        snprintf(num, sizeof(num), "%d", cyls);
2799
                        qemu_opt_set(hda_opts, "cyls", num);
2800
                        snprintf(num, sizeof(num), "%d", heads);
2801
                        qemu_opt_set(hda_opts, "heads", num);
2802
                        snprintf(num, sizeof(num), "%d", secs);
2803
                        qemu_opt_set(hda_opts, "secs", num);
2804
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2805
                            qemu_opt_set(hda_opts, "trans", "lba");
2806
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2807
                            qemu_opt_set(hda_opts, "trans", "none");
2808
                    }
2809
                }
2810
                break;
2811
            case QEMU_OPTION_numa:
2812
                if (nb_numa_nodes >= MAX_NODES) {
2813
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2814
                    exit(1);
2815
                }
2816
                numa_add(optarg);
2817
                break;
2818
            case QEMU_OPTION_nographic:
2819
                display_type = DT_NOGRAPHIC;
2820
                break;
2821
#ifdef CONFIG_CURSES
2822
            case QEMU_OPTION_curses:
2823
                display_type = DT_CURSES;
2824
                break;
2825
#endif
2826
            case QEMU_OPTION_portrait:
2827
                graphic_rotate = 1;
2828
                break;
2829
            case QEMU_OPTION_kernel:
2830
                kernel_filename = optarg;
2831
                break;
2832
            case QEMU_OPTION_append:
2833
                kernel_cmdline = optarg;
2834
                break;
2835
            case QEMU_OPTION_cdrom:
2836
                drive_add(optarg, CDROM_ALIAS);
2837
                break;
2838
            case QEMU_OPTION_boot:
2839
                {
2840
                    static const char * const params[] = {
2841
                        "order", "once", "menu", NULL
2842
                    };
2843
                    char buf[sizeof(boot_devices)];
2844
                    char *standard_boot_devices;
2845
                    int legacy = 0;
2846

    
2847
                    if (!strchr(optarg, '=')) {
2848
                        legacy = 1;
2849
                        pstrcpy(buf, sizeof(buf), optarg);
2850
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2851
                        fprintf(stderr,
2852
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2853
                                buf, optarg);
2854
                        exit(1);
2855
                    }
2856

    
2857
                    if (legacy ||
2858
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2859
                        validate_bootdevices(buf);
2860
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2861
                    }
2862
                    if (!legacy) {
2863
                        if (get_param_value(buf, sizeof(buf),
2864
                                            "once", optarg)) {
2865
                            validate_bootdevices(buf);
2866
                            standard_boot_devices = qemu_strdup(boot_devices);
2867
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2868
                            qemu_register_reset(restore_boot_devices,
2869
                                                standard_boot_devices);
2870
                        }
2871
                        if (get_param_value(buf, sizeof(buf),
2872
                                            "menu", optarg)) {
2873
                            if (!strcmp(buf, "on")) {
2874
                                boot_menu = 1;
2875
                            } else if (!strcmp(buf, "off")) {
2876
                                boot_menu = 0;
2877
                            } else {
2878
                                fprintf(stderr,
2879
                                        "qemu: invalid option value '%s'\n",
2880
                                        buf);
2881
                                exit(1);
2882
                            }
2883
                        }
2884
                    }
2885
                }
2886
                break;
2887
            case QEMU_OPTION_fda:
2888
            case QEMU_OPTION_fdb:
2889
                drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
2890
                break;
2891
            case QEMU_OPTION_no_fd_bootchk:
2892
                fd_bootchk = 0;
2893
                break;
2894
            case QEMU_OPTION_netdev:
2895
                if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
2896
                    exit(1);
2897
                }
2898
                break;
2899
            case QEMU_OPTION_net:
2900
                if (net_client_parse(&qemu_net_opts, optarg) == -1) {
2901
                    exit(1);
2902
                }
2903
                break;
2904
#ifdef CONFIG_SLIRP
2905
            case QEMU_OPTION_tftp:
2906
                legacy_tftp_prefix = optarg;
2907
                break;
2908
            case QEMU_OPTION_bootp:
2909
                legacy_bootp_filename = optarg;
2910
                break;
2911
#ifndef _WIN32
2912
            case QEMU_OPTION_smb:
2913
                if (net_slirp_smb(optarg) < 0)
2914
                    exit(1);
2915
                break;
2916
#endif
2917
            case QEMU_OPTION_redir:
2918
                if (net_slirp_redir(optarg) < 0)
2919
                    exit(1);
2920
                break;
2921
#endif
2922
            case QEMU_OPTION_bt:
2923
                add_device_config(DEV_BT, optarg);
2924
                break;
2925
            case QEMU_OPTION_audio_help:
2926
                if (!(audio_available())) {
2927
                    printf("Option %s not supported for this target\n", popt->name);
2928
                    exit(1);
2929
                }
2930
                AUD_help ();
2931
                exit (0);
2932
                break;
2933
            case QEMU_OPTION_soundhw:
2934
                if (!(audio_available())) {
2935
                    printf("Option %s not supported for this target\n", popt->name);
2936
                    exit(1);
2937
                }
2938
                select_soundhw (optarg);
2939
                break;
2940
            case QEMU_OPTION_h:
2941
                help(0);
2942
                break;
2943
            case QEMU_OPTION_version:
2944
                version();
2945
                exit(0);
2946
                break;
2947
            case QEMU_OPTION_m: {
2948
                uint64_t value;
2949
                char *ptr;
2950

    
2951
                value = strtoul(optarg, &ptr, 10);
2952
                switch (*ptr) {
2953
                case 0: case 'M': case 'm':
2954
                    value <<= 20;
2955
                    break;
2956
                case 'G': case 'g':
2957
                    value <<= 30;
2958
                    break;
2959
                default:
2960
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2961
                    exit(1);
2962
                }
2963

    
2964
                /* On 32-bit hosts, QEMU is limited by virtual address space */
2965
                if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2966
                    fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2967
                    exit(1);
2968
                }
2969
                if (value != (uint64_t)(ram_addr_t)value) {
2970
                    fprintf(stderr, "qemu: ram size too large\n");
2971
                    exit(1);
2972
                }
2973
                ram_size = value;
2974
                break;
2975
            }
2976
            case QEMU_OPTION_mempath:
2977
                mem_path = optarg;
2978
                break;
2979
#ifdef MAP_POPULATE
2980
            case QEMU_OPTION_mem_prealloc:
2981
                mem_prealloc = 1;
2982
                break;
2983
#endif
2984
            case QEMU_OPTION_d:
2985
                set_cpu_log(optarg);
2986
                break;
2987
            case QEMU_OPTION_s:
2988
                gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2989
                break;
2990
            case QEMU_OPTION_gdb:
2991
                gdbstub_dev = optarg;
2992
                break;
2993
            case QEMU_OPTION_L:
2994
                data_dir = optarg;
2995
                break;
2996
            case QEMU_OPTION_bios:
2997
                bios_name = optarg;
2998
                break;
2999
            case QEMU_OPTION_singlestep:
3000
                singlestep = 1;
3001
                break;
3002
            case QEMU_OPTION_S:
3003
                autostart = 0;
3004
                break;
3005
            case QEMU_OPTION_k:
3006
                keyboard_layout = optarg;
3007
                break;
3008
            case QEMU_OPTION_localtime:
3009
                rtc_utc = 0;
3010
                break;
3011
            case QEMU_OPTION_vga:
3012
                select_vgahw (optarg);
3013
                break;
3014
            case QEMU_OPTION_g:
3015
                {
3016
                    const char *p;
3017
                    int w, h, depth;
3018
                    p = optarg;
3019
                    w = strtol(p, (char **)&p, 10);
3020
                    if (w <= 0) {
3021
                    graphic_error:
3022
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
3023
                        exit(1);
3024
                    }
3025
                    if (*p != 'x')
3026
                        goto graphic_error;
3027
                    p++;
3028
                    h = strtol(p, (char **)&p, 10);
3029
                    if (h <= 0)
3030
                        goto graphic_error;
3031
                    if (*p == 'x') {
3032
                        p++;
3033
                        depth = strtol(p, (char **)&p, 10);
3034
                        if (depth != 8 && depth != 15 && depth != 16 &&
3035
                            depth != 24 && depth != 32)
3036
                            goto graphic_error;
3037
                    } else if (*p == '\0') {
3038
                        depth = graphic_depth;
3039
                    } else {
3040
                        goto graphic_error;
3041
                    }
3042

    
3043
                    graphic_width = w;
3044
                    graphic_height = h;
3045
                    graphic_depth = depth;
3046
                }
3047
                break;
3048
            case QEMU_OPTION_echr:
3049
                {
3050
                    char *r;
3051
                    term_escape_char = strtol(optarg, &r, 0);
3052
                    if (r == optarg)
3053
                        printf("Bad argument to echr\n");
3054
                    break;
3055
                }
3056
            case QEMU_OPTION_monitor:
3057
                monitor_parse(optarg, "readline");
3058
                default_monitor = 0;
3059
                break;
3060
            case QEMU_OPTION_qmp:
3061
                monitor_parse(optarg, "control");
3062
                default_monitor = 0;
3063
                break;
3064
            case QEMU_OPTION_mon:
3065
                opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
3066
                if (!opts) {
3067
                    exit(1);
3068
                }
3069
                default_monitor = 0;
3070
                break;
3071
            case QEMU_OPTION_chardev:
3072
                opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
3073
                if (!opts) {
3074
                    exit(1);
3075
                }
3076
                break;
3077
#ifdef CONFIG_LINUX
3078
            case QEMU_OPTION_fsdev:
3079
                opts = qemu_opts_parse(&qemu_fsdev_opts, optarg, 1);
3080
                if (!opts) {
3081
                    fprintf(stderr, "parse error: %s\n", optarg);
3082
                    exit(1);
3083
                }
3084
                break;
3085
            case QEMU_OPTION_virtfs: {
3086
                char *arg_fsdev = NULL;
3087
                char *arg_9p = NULL;
3088
                int len = 0;
3089

    
3090
                opts = qemu_opts_parse(&qemu_virtfs_opts, optarg, 1);
3091
                if (!opts) {
3092
                    fprintf(stderr, "parse error: %s\n", optarg);
3093
                    exit(1);
3094
                }
3095

    
3096
                len = strlen(",id=,path=");
3097
                len += strlen(qemu_opt_get(opts, "fstype"));
3098
                len += strlen(qemu_opt_get(opts, "mount_tag"));
3099
                len += strlen(qemu_opt_get(opts, "path"));
3100
                arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
3101

    
3102
                if (!arg_fsdev) {
3103
                    fprintf(stderr, "No memory to parse -fsdev for %s\n",
3104
                            optarg);
3105
                    exit(1);
3106
                }
3107

    
3108
                sprintf(arg_fsdev, "%s,id=%s,path=%s",
3109
                                qemu_opt_get(opts, "fstype"),
3110
                                qemu_opt_get(opts, "mount_tag"),
3111
                                qemu_opt_get(opts, "path"));
3112

    
3113
                len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
3114
                len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
3115
                arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
3116

    
3117
                if (!arg_9p) {
3118
                    fprintf(stderr, "No memory to parse -device for %s\n",
3119
                            optarg);
3120
                    exit(1);
3121
                }
3122

    
3123
                sprintf(arg_9p, "virtio-9p-pci,fsdev=%s,mount_tag=%s",
3124
                                qemu_opt_get(opts, "mount_tag"),
3125
                                qemu_opt_get(opts, "mount_tag"));
3126

    
3127
                if (!qemu_opts_parse(&qemu_fsdev_opts, arg_fsdev, 1)) {
3128
                    fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
3129
                    exit(1);
3130
                }
3131

    
3132
                if (!qemu_opts_parse(&qemu_device_opts, arg_9p, 1)) {
3133
                    fprintf(stderr, "parse error [device]: %s\n", optarg);
3134
                    exit(1);
3135
                }
3136

    
3137
                qemu_free(arg_fsdev);
3138
                qemu_free(arg_9p);
3139
                break;
3140
            }
3141
#endif
3142
            case QEMU_OPTION_serial:
3143
                add_device_config(DEV_SERIAL, optarg);
3144
                default_serial = 0;
3145
                if (strncmp(optarg, "mon:", 4) == 0) {
3146
                    default_monitor = 0;
3147
                }
3148
                break;
3149
            case QEMU_OPTION_watchdog:
3150
                if (watchdog) {
3151
                    fprintf(stderr,
3152
                            "qemu: only one watchdog option may be given\n");
3153
                    return 1;
3154
                }
3155
                watchdog = optarg;
3156
                break;
3157
            case QEMU_OPTION_watchdog_action:
3158
                if (select_watchdog_action(optarg) == -1) {
3159
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
3160
                    exit(1);
3161
                }
3162
                break;
3163
            case QEMU_OPTION_virtiocon:
3164
                add_device_config(DEV_VIRTCON, optarg);
3165
                default_virtcon = 0;
3166
                if (strncmp(optarg, "mon:", 4) == 0) {
3167
                    default_monitor = 0;
3168
                }
3169
                break;
3170
            case QEMU_OPTION_parallel:
3171
                add_device_config(DEV_PARALLEL, optarg);
3172
                default_parallel = 0;
3173
                if (strncmp(optarg, "mon:", 4) == 0) {
3174
                    default_monitor = 0;
3175
                }
3176
                break;
3177
            case QEMU_OPTION_debugcon:
3178
                add_device_config(DEV_DEBUGCON, optarg);
3179
                break;
3180
            case QEMU_OPTION_loadvm:
3181
                loadvm = optarg;
3182
                break;
3183
            case QEMU_OPTION_full_screen:
3184
                full_screen = 1;
3185
                break;
3186
#ifdef CONFIG_SDL
3187
            case QEMU_OPTION_no_frame:
3188
                no_frame = 1;
3189
                break;
3190
            case QEMU_OPTION_alt_grab:
3191
                alt_grab = 1;
3192
                break;
3193
            case QEMU_OPTION_ctrl_grab:
3194
                ctrl_grab = 1;
3195
                break;
3196
            case QEMU_OPTION_no_quit:
3197
                no_quit = 1;
3198
                break;
3199
            case QEMU_OPTION_sdl:
3200
                display_type = DT_SDL;
3201
                break;
3202
#endif
3203
            case QEMU_OPTION_pidfile:
3204
                pid_file = optarg;
3205
                break;
3206
            case QEMU_OPTION_win2k_hack:
3207
                win2k_install_hack = 1;
3208
                break;
3209
            case QEMU_OPTION_rtc_td_hack:
3210
                rtc_td_hack = 1;
3211
                break;
3212
            case QEMU_OPTION_acpitable:
3213
                do_acpitable_option(optarg);
3214
                break;
3215
            case QEMU_OPTION_smbios:
3216
                do_smbios_option(optarg);
3217
                break;
3218
            case QEMU_OPTION_enable_kvm:
3219
                kvm_allowed = 1;
3220
                break;
3221
            case QEMU_OPTION_usb:
3222
                usb_enabled = 1;
3223
                break;
3224
            case QEMU_OPTION_usbdevice:
3225
                usb_enabled = 1;
3226
                add_device_config(DEV_USB, optarg);
3227
                break;
3228
            case QEMU_OPTION_device:
3229
                if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
3230
                    exit(1);
3231
                }
3232
                break;
3233
            case QEMU_OPTION_smp:
3234
                smp_parse(optarg);
3235
                if (smp_cpus < 1) {
3236
                    fprintf(stderr, "Invalid number of CPUs\n");
3237
                    exit(1);
3238
                }
3239
                if (max_cpus < smp_cpus) {
3240
                    fprintf(stderr, "maxcpus must be equal to or greater than "
3241
                            "smp\n");
3242
                    exit(1);
3243
                }
3244
                if (max_cpus > 255) {
3245
                    fprintf(stderr, "Unsupported number of maxcpus\n");
3246
                    exit(1);
3247
                }
3248
                break;
3249
            case QEMU_OPTION_vnc:
3250
                display_type = DT_VNC;
3251
                vnc_display = optarg;
3252
                break;
3253
            case QEMU_OPTION_no_acpi:
3254
                acpi_enabled = 0;
3255
                break;
3256
            case QEMU_OPTION_no_hpet:
3257
                no_hpet = 1;
3258
                break;
3259
            case QEMU_OPTION_balloon:
3260
                if (balloon_parse(optarg) < 0) {
3261
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3262
                    exit(1);
3263
                }
3264
                break;
3265
            case QEMU_OPTION_no_reboot:
3266
                no_reboot = 1;
3267
                break;
3268
            case QEMU_OPTION_no_shutdown:
3269
                no_shutdown = 1;
3270
                break;
3271
            case QEMU_OPTION_show_cursor:
3272
                cursor_hide = 0;
3273
                break;
3274
            case QEMU_OPTION_uuid:
3275
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3276
                    fprintf(stderr, "Fail to parse UUID string."
3277
                            " Wrong format.\n");
3278
                    exit(1);
3279
                }
3280
                break;
3281
#ifndef _WIN32
3282
            case QEMU_OPTION_daemonize:
3283
                daemonize = 1;
3284
                break;
3285
#endif
3286
            case QEMU_OPTION_option_rom:
3287
                if (nb_option_roms >= MAX_OPTION_ROMS) {
3288
                    fprintf(stderr, "Too many option ROMs\n");
3289
                    exit(1);
3290
                }
3291
                option_rom[nb_option_roms] = optarg;
3292
                nb_option_roms++;
3293
                break;
3294
            case QEMU_OPTION_semihosting:
3295
                semihosting_enabled = 1;
3296
                break;
3297
            case QEMU_OPTION_name:
3298
                qemu_name = qemu_strdup(optarg);
3299
                 {
3300
                     char *p = strchr(qemu_name, ',');
3301
                     if (p != NULL) {
3302
                        *p++ = 0;
3303
                        if (strncmp(p, "process=", 8)) {
3304
                            fprintf(stderr, "Unknown subargument %s to -name", p);
3305
                            exit(1);
3306
                        }
3307
                        p += 8;
3308
                        set_proc_name(p);
3309
                     }        
3310
                 }        
3311
                break;
3312
            case QEMU_OPTION_prom_env:
3313
                if (nb_prom_envs >= MAX_PROM_ENVS) {
3314
                    fprintf(stderr, "Too many prom variables\n");
3315
                    exit(1);
3316
                }
3317
                prom_envs[nb_prom_envs] = optarg;
3318
                nb_prom_envs++;
3319
                break;
3320
            case QEMU_OPTION_old_param:
3321
                old_param = 1;
3322
                break;
3323
            case QEMU_OPTION_clock:
3324
                configure_alarms(optarg);
3325
                break;
3326
            case QEMU_OPTION_startdate:
3327
                configure_rtc_date_offset(optarg, 1);
3328
                break;
3329
            case QEMU_OPTION_rtc:
3330
                opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
3331
                if (!opts) {
3332
                    exit(1);
3333
                }
3334
                configure_rtc(opts);
3335
                break;
3336
            case QEMU_OPTION_tb_size:
3337
                tb_size = strtol(optarg, NULL, 0);
3338
                if (tb_size < 0)
3339
                    tb_size = 0;
3340
                break;
3341
            case QEMU_OPTION_icount:
3342
                icount_option = optarg;
3343
                break;
3344
            case QEMU_OPTION_incoming:
3345
                incoming = optarg;
3346
                break;
3347
            case QEMU_OPTION_nodefaults:
3348
                default_serial = 0;
3349
                default_parallel = 0;
3350
                default_virtcon = 0;
3351
                default_monitor = 0;
3352
                default_vga = 0;
3353
                default_net = 0;
3354
                default_floppy = 0;
3355
                default_cdrom = 0;
3356
                default_sdcard = 0;
3357
                break;
3358
#ifndef _WIN32
3359
            case QEMU_OPTION_chroot:
3360
                chroot_dir = optarg;
3361
                break;
3362
            case QEMU_OPTION_runas:
3363
                run_as = optarg;
3364
                break;
3365
#endif
3366
            case QEMU_OPTION_xen_domid:
3367
                if (!(xen_available())) {
3368
                    printf("Option %s not supported for this target\n", popt->name);
3369
                    exit(1);
3370
                }
3371
                xen_domid = atoi(optarg);
3372
                break;
3373
            case QEMU_OPTION_xen_create:
3374
                if (!(xen_available())) {
3375
                    printf("Option %s not supported for this target\n", popt->name);
3376
                    exit(1);
3377
                }
3378
                xen_mode = XEN_CREATE;
3379
                break;
3380
            case QEMU_OPTION_xen_attach:
3381
                if (!(xen_available())) {
3382
                    printf("Option %s not supported for this target\n", popt->name);
3383
                    exit(1);
3384
                }
3385
                xen_mode = XEN_ATTACH;
3386
                break;
3387
            case QEMU_OPTION_readconfig:
3388
                {
3389
                    int ret = qemu_read_config_file(optarg);
3390
                    if (ret < 0) {
3391
                        fprintf(stderr, "read config %s: %s\n", optarg,
3392
                            strerror(-ret));
3393
                        exit(1);
3394
                    }
3395
                    break;
3396
                }
3397
            case QEMU_OPTION_writeconfig:
3398
                {
3399
                    FILE *fp;
3400
                    if (strcmp(optarg, "-") == 0) {
3401
                        fp = stdout;
3402
                    } else {
3403
                        fp = fopen(optarg, "w");
3404
                        if (fp == NULL) {
3405
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3406
                            exit(1);
3407
                        }
3408
                    }
3409
                    qemu_config_write(fp);
3410
                    fclose(fp);
3411
                    break;
3412
                }
3413
            }
3414
        }
3415
    }
3416
    loc_set_none();
3417

    
3418
    /* If no data_dir is specified then try to find it relative to the
3419
       executable path.  */
3420
    if (!data_dir) {
3421
        data_dir = find_datadir(argv[0]);
3422
    }
3423
    /* If all else fails use the install patch specified when building.  */
3424
    if (!data_dir) {
3425
        data_dir = CONFIG_QEMU_SHAREDIR;
3426
    }
3427

    
3428
    /*
3429
     * Default to max_cpus = smp_cpus, in case the user doesn't
3430
     * specify a max_cpus value.
3431
     */
3432
    if (!max_cpus)
3433
        max_cpus = smp_cpus;
3434

    
3435
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3436
    if (smp_cpus > machine->max_cpus) {
3437
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3438
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3439
                machine->max_cpus);
3440
        exit(1);
3441
    }
3442

    
3443
    qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0);
3444
    qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0);
3445

    
3446
    if (machine->no_serial) {
3447
        default_serial = 0;
3448
    }
3449
    if (machine->no_parallel) {
3450
        default_parallel = 0;
3451
    }
3452
    if (!machine->use_virtcon) {
3453
        default_virtcon = 0;
3454
    }
3455
    if (machine->no_vga) {
3456
        default_vga = 0;
3457
    }
3458
    if (machine->no_floppy) {
3459
        default_floppy = 0;
3460
    }
3461
    if (machine->no_cdrom) {
3462
        default_cdrom = 0;
3463
    }
3464
    if (machine->no_sdcard) {
3465
        default_sdcard = 0;
3466
    }
3467

    
3468
    if (display_type == DT_NOGRAPHIC) {
3469
        if (default_parallel)
3470
            add_device_config(DEV_PARALLEL, "null");
3471
        if (default_serial && default_monitor) {
3472
            add_device_config(DEV_SERIAL, "mon:stdio");
3473
        } else if (default_virtcon && default_monitor) {
3474
            add_device_config(DEV_VIRTCON, "mon:stdio");
3475
        } else {
3476
            if (default_serial)
3477
                add_device_config(DEV_SERIAL, "stdio");
3478
            if (default_virtcon)
3479
                add_device_config(DEV_VIRTCON, "stdio");
3480
            if (default_monitor)
3481
                monitor_parse("stdio", "readline");
3482
        }
3483
    } else {
3484
        if (default_serial)
3485
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
3486
        if (default_parallel)
3487
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3488
        if (default_monitor)
3489
            monitor_parse("vc:80Cx24C", "readline");
3490
        if (default_virtcon)
3491
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3492
    }
3493
    if (default_vga)
3494
        vga_interface_type = VGA_CIRRUS;
3495

    
3496
    socket_init();
3497

    
3498
    if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
3499
        exit(1);
3500
#ifdef CONFIG_LINUX
3501
    if (qemu_opts_foreach(&qemu_fsdev_opts, fsdev_init_func, NULL, 1) != 0) {
3502
        exit(1);
3503
    }
3504
#endif
3505

    
3506
#ifndef _WIN32
3507
    if (daemonize) {
3508
        pid_t pid;
3509

    
3510
        if (pipe(fds) == -1)
3511
            exit(1);
3512

    
3513
        pid = fork();
3514
        if (pid > 0) {
3515
            uint8_t status;
3516
            ssize_t len;
3517

    
3518
            close(fds[1]);
3519

    
3520
        again:
3521
            len = read(fds[0], &status, 1);
3522
            if (len == -1 && (errno == EINTR))
3523
                goto again;
3524

    
3525
            if (len != 1)
3526
                exit(1);
3527
            else if (status == 1) {
3528
                fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno));
3529
                exit(1);
3530
            } else
3531
                exit(0);
3532
        } else if (pid < 0)
3533
            exit(1);
3534

    
3535
        close(fds[0]);
3536
        qemu_set_cloexec(fds[1]);
3537

    
3538
        setsid();
3539

    
3540
        pid = fork();
3541
        if (pid > 0)
3542
            exit(0);
3543
        else if (pid < 0)
3544
            exit(1);
3545

    
3546
        umask(027);
3547

    
3548
        signal(SIGTSTP, SIG_IGN);
3549
        signal(SIGTTOU, SIG_IGN);
3550
        signal(SIGTTIN, SIG_IGN);
3551
    }
3552
#endif
3553

    
3554
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3555
#ifndef _WIN32
3556
        if (daemonize) {
3557
            uint8_t status = 1;
3558
            if (write(fds[1], &status, 1) != 1) {
3559
                perror("daemonize. Writing to pipe\n");
3560
            }
3561
        } else
3562
#endif
3563
            fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
3564
        exit(1);
3565
    }
3566

    
3567
    if (kvm_allowed) {
3568
        int ret = kvm_init(smp_cpus);
3569
        if (ret < 0) {
3570
            if (!kvm_available()) {
3571
                printf("KVM not supported for this target\n");
3572
            } else {
3573
                fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
3574
            }
3575
            exit(1);
3576
        }
3577
    }
3578

    
3579
    if (qemu_init_main_loop()) {
3580
        fprintf(stderr, "qemu_init_main_loop failed\n");
3581
        exit(1);
3582
    }
3583
    linux_boot = (kernel_filename != NULL);
3584

    
3585
    if (!linux_boot && *kernel_cmdline != '\0') {
3586
        fprintf(stderr, "-append only allowed with -kernel option\n");
3587
        exit(1);
3588
    }
3589

    
3590
    if (!linux_boot && initrd_filename != NULL) {
3591
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
3592
        exit(1);
3593
    }
3594

    
3595
#ifndef _WIN32
3596
    /* Win32 doesn't support line-buffering and requires size >= 2 */
3597
    setvbuf(stdout, NULL, _IOLBF, 0);
3598
#endif
3599

    
3600
    if (init_timer_alarm() < 0) {
3601
        fprintf(stderr, "could not initialize alarm timer\n");
3602
        exit(1);
3603
    }
3604
    configure_icount(icount_option);
3605

    
3606
    if (net_init_clients() < 0) {
3607
        exit(1);
3608
    }
3609

    
3610
    /* init the bluetooth world */
3611
    if (foreach_device_config(DEV_BT, bt_parse))
3612
        exit(1);
3613

    
3614
    /* init the memory */
3615
    if (ram_size == 0)
3616
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3617

    
3618
    /* init the dynamic translator */
3619
    cpu_exec_init_all(tb_size * 1024 * 1024);
3620

    
3621
    bdrv_init_with_whitelist();
3622

    
3623
    blk_mig_init();
3624

    
3625
    if (default_cdrom) {
3626
        /* we always create the cdrom drive, even if no disk is there */
3627
        drive_add(NULL, CDROM_ALIAS);
3628
    }
3629

    
3630
    if (default_floppy) {
3631
        /* we always create at least one floppy */
3632
        drive_add(NULL, FD_ALIAS, 0);
3633
    }
3634

    
3635
    if (default_sdcard) {
3636
        /* we always create one sd slot, even if no card is in it */
3637
        drive_add(NULL, SD_ALIAS);
3638
    }
3639

    
3640
    /* open the virtual block devices */
3641
    if (snapshot)
3642
        qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
3643
    if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0)
3644
        exit(1);
3645

    
3646
    register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL, 
3647
                         ram_load, NULL);
3648

    
3649
    if (nb_numa_nodes > 0) {
3650
        int i;
3651

    
3652
        if (nb_numa_nodes > smp_cpus) {
3653
            nb_numa_nodes = smp_cpus;
3654
        }
3655

    
3656
        /* If no memory size if given for any node, assume the default case
3657
         * and distribute the available memory equally across all nodes
3658
         */
3659
        for (i = 0; i < nb_numa_nodes; i++) {
3660
            if (node_mem[i] != 0)
3661
                break;
3662
        }
3663
        if (i == nb_numa_nodes) {
3664
            uint64_t usedmem = 0;
3665

    
3666
            /* On Linux, the each node's border has to be 8MB aligned,
3667
             * the final node gets the rest.
3668
             */
3669
            for (i = 0; i < nb_numa_nodes - 1; i++) {
3670
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3671
                usedmem += node_mem[i];
3672
            }
3673
            node_mem[i] = ram_size - usedmem;
3674
        }
3675

    
3676
        for (i = 0; i < nb_numa_nodes; i++) {
3677
            if (node_cpumask[i] != 0)
3678
                break;
3679
        }
3680
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
3681
         * must cope with this anyway, because there are BIOSes out there in
3682
         * real machines which also use this scheme.
3683
         */
3684
        if (i == nb_numa_nodes) {
3685
            for (i = 0; i < smp_cpus; i++) {
3686
                node_cpumask[i % nb_numa_nodes] |= 1 << i;
3687
            }
3688
        }
3689
    }
3690

    
3691
    if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) {
3692
        exit(1);
3693
    }
3694

    
3695
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3696
        exit(1);
3697
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3698
        exit(1);
3699
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3700
        exit(1);
3701
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3702
        exit(1);
3703

    
3704
    module_call_init(MODULE_INIT_DEVICE);
3705

    
3706
    if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0)
3707
        exit(0);
3708

    
3709
    if (watchdog) {
3710
        i = select_watchdog(watchdog);
3711
        if (i > 0)
3712
            exit (i == 1 ? 1 : 0);
3713
    }
3714

    
3715
    if (machine->compat_props) {
3716
        qdev_prop_register_global_list(machine->compat_props);
3717
    }
3718
    qemu_add_globals();
3719

    
3720
    machine->init(ram_size, boot_devices,
3721
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3722

    
3723
    cpu_synchronize_all_post_init();
3724

    
3725
#ifndef _WIN32
3726
    /* must be after terminal init, SDL library changes signal handlers */
3727
    sighandler_setup();
3728
#endif
3729

    
3730
    set_numa_modes();
3731

    
3732
    current_machine = machine;
3733

    
3734
    /* init USB devices */
3735
    if (usb_enabled) {
3736
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
3737
            exit(1);
3738
    }
3739

    
3740
    /* init generic devices */
3741
    if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
3742
        exit(1);
3743

    
3744
    net_check_clients();
3745

    
3746
    /* just use the first displaystate for the moment */
3747
    ds = get_displaystate();
3748

    
3749
    if (display_type == DT_DEFAULT) {
3750
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3751
        display_type = DT_SDL;
3752
#else
3753
        display_type = DT_VNC;
3754
        vnc_display = "localhost:0,to=99";
3755
        show_vnc_port = 1;
3756
#endif
3757
    }
3758
        
3759

    
3760
    switch (display_type) {
3761
    case DT_NOGRAPHIC:
3762
        break;
3763
#if defined(CONFIG_CURSES)
3764
    case DT_CURSES:
3765
        curses_display_init(ds, full_screen);
3766
        break;
3767
#endif
3768
#if defined(CONFIG_SDL)
3769
    case DT_SDL:
3770
        sdl_display_init(ds, full_screen, no_frame);
3771
        break;
3772
#elif defined(CONFIG_COCOA)
3773
    case DT_SDL:
3774
        cocoa_display_init(ds, full_screen);
3775
        break;
3776
#endif
3777
    case DT_VNC:
3778
        vnc_display_init(ds);
3779
        if (vnc_display_open(ds, vnc_display) < 0)
3780
            exit(1);
3781

    
3782
        if (show_vnc_port) {
3783
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3784
        }
3785
        break;
3786
    default:
3787
        break;
3788
    }
3789
    dpy_resize(ds);
3790

    
3791
    dcl = ds->listeners;
3792
    while (dcl != NULL) {
3793
        if (dcl->dpy_refresh != NULL) {
3794
            ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
3795
            qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
3796
        }
3797
        dcl = dcl->next;
3798
    }
3799

    
3800
    if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
3801
        nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
3802
        qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
3803
    }
3804

    
3805
    text_consoles_set_display(ds);
3806

    
3807
    if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3808
        fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3809
                gdbstub_dev);
3810
        exit(1);
3811
    }
3812

    
3813
    qdev_machine_creation_done();
3814

    
3815
    if (rom_load_all() != 0) {
3816
        fprintf(stderr, "rom loading failed\n");
3817
        exit(1);
3818
    }
3819

    
3820
    qemu_system_reset();
3821
    if (loadvm) {
3822
        if (load_vmstate(loadvm) < 0) {
3823
            autostart = 0;
3824
        }
3825
    }
3826

    
3827
    if (incoming) {
3828
        qemu_start_incoming_migration(incoming);
3829
    } else if (autostart) {
3830
        vm_start();
3831
    }
3832

    
3833
#ifndef _WIN32
3834
    if (daemonize) {
3835
        uint8_t status = 0;
3836
        ssize_t len;
3837

    
3838
    again1:
3839
        len = write(fds[1], &status, 1);
3840
        if (len == -1 && (errno == EINTR))
3841
            goto again1;
3842

    
3843
        if (len != 1)
3844
            exit(1);
3845

    
3846
        if (chdir("/")) {
3847
            perror("not able to chdir to /");
3848
            exit(1);
3849
        }
3850
        TFR(fd = qemu_open("/dev/null", O_RDWR));
3851
        if (fd == -1)
3852
            exit(1);
3853
    }
3854

    
3855
    if (run_as) {
3856
        pwd = getpwnam(run_as);
3857
        if (!pwd) {
3858
            fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
3859
            exit(1);
3860
        }
3861
    }
3862

    
3863
    if (chroot_dir) {
3864
        if (chroot(chroot_dir) < 0) {
3865
            fprintf(stderr, "chroot failed\n");
3866
            exit(1);
3867
        }
3868
        if (chdir("/")) {
3869
            perror("not able to chdir to /");
3870
            exit(1);
3871
        }
3872
    }
3873

    
3874
    if (run_as) {
3875
        if (setgid(pwd->pw_gid) < 0) {
3876
            fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
3877
            exit(1);
3878
        }
3879
        if (setuid(pwd->pw_uid) < 0) {
3880
            fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
3881
            exit(1);
3882
        }
3883
        if (setuid(0) != -1) {
3884
            fprintf(stderr, "Dropping privileges failed\n");
3885
            exit(1);
3886
        }
3887
    }
3888

    
3889
    if (daemonize) {
3890
        dup2(fd, 0);
3891
        dup2(fd, 1);
3892
        dup2(fd, 2);
3893

    
3894
        close(fd);
3895
    }
3896
#endif
3897

    
3898
    main_loop();
3899
    quit_timers();
3900
    net_cleanup();
3901

    
3902
    return 0;
3903
}