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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:
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 *
13
 * The above copyright notice and this permission notice shall be included in
14
 * all copies or substantial portions of the Software.
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 *
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 * 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
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 * 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

    
793
    *fatal_error = 1;
794

    
795
    translation = BIOS_ATA_TRANSLATION_AUTO;
796

    
797
    if (machine && machine->use_scsi) {
798
        type = IF_SCSI;
799
        max_devs = MAX_SCSI_DEVS;
800
        pstrcpy(devname, sizeof(devname), "scsi");
801
    } else {
802
        type = IF_IDE;
803
        max_devs = MAX_IDE_DEVS;
804
        pstrcpy(devname, sizeof(devname), "ide");
805
    }
806
    media = MEDIA_DISK;
807

    
808
    /* extract parameters */
809
    bus_id  = qemu_opt_get_number(opts, "bus", 0);
810
    unit_id = qemu_opt_get_number(opts, "unit", -1);
811
    index   = qemu_opt_get_number(opts, "index", -1);
812

    
813
    cyls  = qemu_opt_get_number(opts, "cyls", 0);
814
    heads = qemu_opt_get_number(opts, "heads", 0);
815
    secs  = qemu_opt_get_number(opts, "secs", 0);
816

    
817
    snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
818
    ro = qemu_opt_get_bool(opts, "readonly", 0);
819

    
820
    file = qemu_opt_get(opts, "file");
821
    serial = qemu_opt_get(opts, "serial");
822

    
823
    if ((buf = qemu_opt_get(opts, "if")) != NULL) {
824
        pstrcpy(devname, sizeof(devname), buf);
825
        if (!strcmp(buf, "ide")) {
826
            type = IF_IDE;
827
            max_devs = MAX_IDE_DEVS;
828
        } else if (!strcmp(buf, "scsi")) {
829
            type = IF_SCSI;
830
            max_devs = MAX_SCSI_DEVS;
831
        } else if (!strcmp(buf, "floppy")) {
832
            type = IF_FLOPPY;
833
            max_devs = 0;
834
        } else if (!strcmp(buf, "pflash")) {
835
            type = IF_PFLASH;
836
            max_devs = 0;
837
        } else if (!strcmp(buf, "mtd")) {
838
            type = IF_MTD;
839
            max_devs = 0;
840
        } else if (!strcmp(buf, "sd")) {
841
            type = IF_SD;
842
            max_devs = 0;
843
        } else if (!strcmp(buf, "virtio")) {
844
            type = IF_VIRTIO;
845
            max_devs = 0;
846
        } else if (!strcmp(buf, "xen")) {
847
            type = IF_XEN;
848
            max_devs = 0;
849
        } else if (!strcmp(buf, "none")) {
850
            type = IF_NONE;
851
            max_devs = 0;
852
        } else {
853
            fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
854
            return NULL;
855
        }
856
    }
857

    
858
    if (cyls || heads || secs) {
859
        if (cyls < 1 || (type == IF_IDE && cyls > 16383)) {
860
            fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
861
            return NULL;
862
        }
863
        if (heads < 1 || (type == IF_IDE && heads > 16)) {
864
            fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
865
            return NULL;
866
        }
867
        if (secs < 1 || (type == IF_IDE && secs > 63)) {
868
            fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
869
            return NULL;
870
        }
871
    }
872

    
873
    if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
874
        if (!cyls) {
875
            fprintf(stderr,
876
                    "qemu: '%s' trans must be used with cyls,heads and secs\n",
877
                    buf);
878
            return NULL;
879
        }
880
        if (!strcmp(buf, "none"))
881
            translation = BIOS_ATA_TRANSLATION_NONE;
882
        else if (!strcmp(buf, "lba"))
883
            translation = BIOS_ATA_TRANSLATION_LBA;
884
        else if (!strcmp(buf, "auto"))
885
            translation = BIOS_ATA_TRANSLATION_AUTO;
886
        else {
887
            fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
888
            return NULL;
889
        }
890
    }
891

    
892
    if ((buf = qemu_opt_get(opts, "media")) != NULL) {
893
        if (!strcmp(buf, "disk")) {
894
            media = MEDIA_DISK;
895
        } else if (!strcmp(buf, "cdrom")) {
896
            if (cyls || secs || heads) {
897
                fprintf(stderr,
898
                        "qemu: '%s' invalid physical CHS format\n", buf);
899
                return NULL;
900
            }
901
            media = MEDIA_CDROM;
902
        } else {
903
            fprintf(stderr, "qemu: '%s' invalid media\n", buf);
904
            return NULL;
905
        }
906
    }
907

    
908
    if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
909
        if (!strcmp(buf, "off") || !strcmp(buf, "none")) {
910
            bdrv_flags |= BDRV_O_NOCACHE;
911
        } else if (!strcmp(buf, "writeback")) {
912
            bdrv_flags |= BDRV_O_CACHE_WB;
913
        } else if (!strcmp(buf, "unsafe")) {
914
            bdrv_flags |= BDRV_O_CACHE_WB;
915
            bdrv_flags |= BDRV_O_NO_FLUSH;
916
        } else if (!strcmp(buf, "writethrough")) {
917
            /* this is the default */
918
        } else {
919
           fprintf(stderr, "qemu: invalid cache option\n");
920
           return NULL;
921
        }
922
    }
923

    
924
#ifdef CONFIG_LINUX_AIO
925
    if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
926
        if (!strcmp(buf, "native")) {
927
            bdrv_flags |= BDRV_O_NATIVE_AIO;
928
        } else if (!strcmp(buf, "threads")) {
929
            /* this is the default */
930
        } else {
931
           fprintf(stderr, "qemu: invalid aio option\n");
932
           return NULL;
933
        }
934
    }
935
#endif
936

    
937
    if ((buf = qemu_opt_get(opts, "format")) != NULL) {
938
       if (strcmp(buf, "?") == 0) {
939
            fprintf(stderr, "qemu: Supported formats:");
940
            bdrv_iterate_format(bdrv_format_print, NULL);
941
            fprintf(stderr, "\n");
942
            return NULL;
943
        }
944
        drv = bdrv_find_whitelisted_format(buf);
945
        if (!drv) {
946
            fprintf(stderr, "qemu: '%s' invalid format\n", buf);
947
            return NULL;
948
        }
949
    }
950

    
951
    on_write_error = BLOCK_ERR_STOP_ENOSPC;
952
    if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
953
        if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO && type != IF_NONE) {
954
            fprintf(stderr, "werror is no supported by this format\n");
955
            return NULL;
956
        }
957

    
958
        on_write_error = parse_block_error_action(buf, 0);
959
        if (on_write_error < 0) {
960
            return NULL;
961
        }
962
    }
963

    
964
    on_read_error = BLOCK_ERR_REPORT;
965
    if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
966
        if (type != IF_IDE && type != IF_VIRTIO && type != IF_NONE) {
967
            fprintf(stderr, "rerror is no supported by this format\n");
968
            return NULL;
969
        }
970

    
971
        on_read_error = parse_block_error_action(buf, 1);
972
        if (on_read_error < 0) {
973
            return NULL;
974
        }
975
    }
976

    
977
    if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
978
        if (type != IF_VIRTIO) {
979
            fprintf(stderr, "addr is not supported\n");
980
            return NULL;
981
        }
982
    }
983

    
984
    /* compute bus and unit according index */
985

    
986
    if (index != -1) {
987
        if (bus_id != 0 || unit_id != -1) {
988
            fprintf(stderr,
989
                    "qemu: index cannot be used with bus and unit\n");
990
            return NULL;
991
        }
992
        if (max_devs == 0)
993
        {
994
            unit_id = index;
995
            bus_id = 0;
996
        } else {
997
            unit_id = index % max_devs;
998
            bus_id = index / max_devs;
999
        }
1000
    }
1001

    
1002
    /* if user doesn't specify a unit_id,
1003
     * try to find the first free
1004
     */
1005

    
1006
    if (unit_id == -1) {
1007
       unit_id = 0;
1008
       while (drive_get(type, bus_id, unit_id) != NULL) {
1009
           unit_id++;
1010
           if (max_devs && unit_id >= max_devs) {
1011
               unit_id -= max_devs;
1012
               bus_id++;
1013
           }
1014
       }
1015
    }
1016

    
1017
    /* check unit id */
1018

    
1019
    if (max_devs && unit_id >= max_devs) {
1020
        fprintf(stderr, "qemu: unit %d too big (max is %d)\n",
1021
                unit_id, max_devs - 1);
1022
        return NULL;
1023
    }
1024

    
1025
    /*
1026
     * ignore multiple definitions
1027
     */
1028

    
1029
    if (drive_get(type, bus_id, unit_id) != NULL) {
1030
        *fatal_error = 0;
1031
        return NULL;
1032
    }
1033

    
1034
    /* init */
1035

    
1036
    dinfo = qemu_mallocz(sizeof(*dinfo));
1037
    if ((buf = qemu_opts_id(opts)) != NULL) {
1038
        dinfo->id = qemu_strdup(buf);
1039
    } else {
1040
        /* no id supplied -> create one */
1041
        dinfo->id = qemu_mallocz(32);
1042
        if (type == IF_IDE || type == IF_SCSI)
1043
            mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
1044
        if (max_devs)
1045
            snprintf(dinfo->id, 32, "%s%i%s%i",
1046
                     devname, bus_id, mediastr, unit_id);
1047
        else
1048
            snprintf(dinfo->id, 32, "%s%s%i",
1049
                     devname, mediastr, unit_id);
1050
    }
1051
    dinfo->bdrv = bdrv_new(dinfo->id);
1052
    dinfo->devaddr = devaddr;
1053
    dinfo->type = type;
1054
    dinfo->bus = bus_id;
1055
    dinfo->unit = unit_id;
1056
    dinfo->on_read_error = on_read_error;
1057
    dinfo->on_write_error = on_write_error;
1058
    dinfo->opts = opts;
1059
    if (serial)
1060
        strncpy(dinfo->serial, serial, sizeof(serial));
1061
    QTAILQ_INSERT_TAIL(&drives, dinfo, next);
1062

    
1063
    switch(type) {
1064
    case IF_IDE:
1065
    case IF_SCSI:
1066
    case IF_XEN:
1067
    case IF_NONE:
1068
        switch(media) {
1069
        case MEDIA_DISK:
1070
            if (cyls != 0) {
1071
                bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs);
1072
                bdrv_set_translation_hint(dinfo->bdrv, translation);
1073
            }
1074
            break;
1075
        case MEDIA_CDROM:
1076
            bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM);
1077
            break;
1078
        }
1079
        break;
1080
    case IF_SD:
1081
        /* FIXME: This isn't really a floppy, but it's a reasonable
1082
           approximation.  */
1083
    case IF_FLOPPY:
1084
        bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY);
1085
        break;
1086
    case IF_PFLASH:
1087
    case IF_MTD:
1088
        break;
1089
    case IF_VIRTIO:
1090
        /* add virtio block device */
1091
        opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1092
        qemu_opt_set(opts, "driver", "virtio-blk-pci");
1093
        qemu_opt_set(opts, "drive", dinfo->id);
1094
        if (devaddr)
1095
            qemu_opt_set(opts, "addr", devaddr);
1096
        break;
1097
    case IF_COUNT:
1098
        abort();
1099
    }
1100
    if (!file) {
1101
        *fatal_error = 0;
1102
        return NULL;
1103
    }
1104
    if (snapshot) {
1105
        /* always use cache=unsafe with snapshot */
1106
        bdrv_flags &= ~BDRV_O_CACHE_MASK;
1107
        bdrv_flags |= (BDRV_O_SNAPSHOT|BDRV_O_CACHE_WB|BDRV_O_NO_FLUSH);
1108
    }
1109

    
1110
    if (media == MEDIA_CDROM) {
1111
        /* CDROM is fine for any interface, don't check.  */
1112
        ro = 1;
1113
    } else if (ro == 1) {
1114
        if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY && type != IF_NONE) {
1115
            fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
1116
            return NULL;
1117
        }
1118
    }
1119

    
1120
    bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
1121

    
1122
    if (bdrv_open(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
1123
        fprintf(stderr, "qemu: could not open disk image %s: %s\n",
1124
                        file, strerror(errno));
1125
        return NULL;
1126
    }
1127

    
1128
    if (bdrv_key_required(dinfo->bdrv))
1129
        autostart = 0;
1130
    *fatal_error = 0;
1131
    return dinfo;
1132
}
1133

    
1134
static int drive_init_func(QemuOpts *opts, void *opaque)
1135
{
1136
    QEMUMachine *machine = opaque;
1137
    int fatal_error = 0;
1138

    
1139
    if (drive_init(opts, machine, &fatal_error) == NULL) {
1140
        if (fatal_error)
1141
            return 1;
1142
    }
1143
    return 0;
1144
}
1145

    
1146
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1147
{
1148
    if (NULL == qemu_opt_get(opts, "snapshot")) {
1149
        qemu_opt_set(opts, "snapshot", "on");
1150
    }
1151
    return 0;
1152
}
1153

    
1154
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1155
{
1156
    boot_set_handler = func;
1157
    boot_set_opaque = opaque;
1158
}
1159

    
1160
int qemu_boot_set(const char *boot_devices)
1161
{
1162
    if (!boot_set_handler) {
1163
        return -EINVAL;
1164
    }
1165
    return boot_set_handler(boot_set_opaque, boot_devices);
1166
}
1167

    
1168
static void validate_bootdevices(char *devices)
1169
{
1170
    /* We just do some generic consistency checks */
1171
    const char *p;
1172
    int bitmap = 0;
1173

    
1174
    for (p = devices; *p != '\0'; p++) {
1175
        /* Allowed boot devices are:
1176
         * a-b: floppy disk drives
1177
         * c-f: IDE disk drives
1178
         * g-m: machine implementation dependant drives
1179
         * n-p: network devices
1180
         * It's up to each machine implementation to check if the given boot
1181
         * devices match the actual hardware implementation and firmware
1182
         * features.
1183
         */
1184
        if (*p < 'a' || *p > 'p') {
1185
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
1186
            exit(1);
1187
        }
1188
        if (bitmap & (1 << (*p - 'a'))) {
1189
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1190
            exit(1);
1191
        }
1192
        bitmap |= 1 << (*p - 'a');
1193
    }
1194
}
1195

    
1196
static void restore_boot_devices(void *opaque)
1197
{
1198
    char *standard_boot_devices = opaque;
1199
    static int first = 1;
1200

    
1201
    /* Restore boot order and remove ourselves after the first boot */
1202
    if (first) {
1203
        first = 0;
1204
        return;
1205
    }
1206

    
1207
    qemu_boot_set(standard_boot_devices);
1208

    
1209
    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1210
    qemu_free(standard_boot_devices);
1211
}
1212

    
1213
static void numa_add(const char *optarg)
1214
{
1215
    char option[128];
1216
    char *endptr;
1217
    unsigned long long value, endvalue;
1218
    int nodenr;
1219

    
1220
    optarg = get_opt_name(option, 128, optarg, ',') + 1;
1221
    if (!strcmp(option, "node")) {
1222
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1223
            nodenr = nb_numa_nodes;
1224
        } else {
1225
            nodenr = strtoull(option, NULL, 10);
1226
        }
1227

    
1228
        if (get_param_value(option, 128, "mem", optarg) == 0) {
1229
            node_mem[nodenr] = 0;
1230
        } else {
1231
            value = strtoull(option, &endptr, 0);
1232
            switch (*endptr) {
1233
            case 0: case 'M': case 'm':
1234
                value <<= 20;
1235
                break;
1236
            case 'G': case 'g':
1237
                value <<= 30;
1238
                break;
1239
            }
1240
            node_mem[nodenr] = value;
1241
        }
1242
        if (get_param_value(option, 128, "cpus", optarg) == 0) {
1243
            node_cpumask[nodenr] = 0;
1244
        } else {
1245
            value = strtoull(option, &endptr, 10);
1246
            if (value >= 64) {
1247
                value = 63;
1248
                fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
1249
            } else {
1250
                if (*endptr == '-') {
1251
                    endvalue = strtoull(endptr+1, &endptr, 10);
1252
                    if (endvalue >= 63) {
1253
                        endvalue = 62;
1254
                        fprintf(stderr,
1255
                            "only 63 CPUs in NUMA mode supported.\n");
1256
                    }
1257
                    value = (2ULL << endvalue) - (1ULL << value);
1258
                } else {
1259
                    value = 1ULL << value;
1260
                }
1261
            }
1262
            node_cpumask[nodenr] = value;
1263
        }
1264
        nb_numa_nodes++;
1265
    }
1266
    return;
1267
}
1268

    
1269
static void smp_parse(const char *optarg)
1270
{
1271
    int smp, sockets = 0, threads = 0, cores = 0;
1272
    char *endptr;
1273
    char option[128];
1274

    
1275
    smp = strtoul(optarg, &endptr, 10);
1276
    if (endptr != optarg) {
1277
        if (*endptr == ',') {
1278
            endptr++;
1279
        }
1280
    }
1281
    if (get_param_value(option, 128, "sockets", endptr) != 0)
1282
        sockets = strtoull(option, NULL, 10);
1283
    if (get_param_value(option, 128, "cores", endptr) != 0)
1284
        cores = strtoull(option, NULL, 10);
1285
    if (get_param_value(option, 128, "threads", endptr) != 0)
1286
        threads = strtoull(option, NULL, 10);
1287
    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1288
        max_cpus = strtoull(option, NULL, 10);
1289

    
1290
    /* compute missing values, prefer sockets over cores over threads */
1291
    if (smp == 0 || sockets == 0) {
1292
        sockets = sockets > 0 ? sockets : 1;
1293
        cores = cores > 0 ? cores : 1;
1294
        threads = threads > 0 ? threads : 1;
1295
        if (smp == 0) {
1296
            smp = cores * threads * sockets;
1297
        }
1298
    } else {
1299
        if (cores == 0) {
1300
            threads = threads > 0 ? threads : 1;
1301
            cores = smp / (sockets * threads);
1302
        } else {
1303
            if (sockets) {
1304
                threads = smp / (cores * sockets);
1305
            }
1306
        }
1307
    }
1308
    smp_cpus = smp;
1309
    smp_cores = cores > 0 ? cores : 1;
1310
    smp_threads = threads > 0 ? threads : 1;
1311
    if (max_cpus == 0)
1312
        max_cpus = smp_cpus;
1313
}
1314

    
1315
/***********************************************************/
1316
/* USB devices */
1317

    
1318
static int usb_device_add(const char *devname)
1319
{
1320
    const char *p;
1321
    USBDevice *dev = NULL;
1322

    
1323
    if (!usb_enabled)
1324
        return -1;
1325

    
1326
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
1327
    dev = usbdevice_create(devname);
1328
    if (dev)
1329
        goto done;
1330

    
1331
    /* the other ones */
1332
    if (strstart(devname, "host:", &p)) {
1333
        dev = usb_host_device_open(p);
1334
    } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1335
        dev = usb_bt_init(devname[2] ? hci_init(p) :
1336
                        bt_new_hci(qemu_find_bt_vlan(0)));
1337
    } else {
1338
        return -1;
1339
    }
1340
    if (!dev)
1341
        return -1;
1342

    
1343
done:
1344
    return 0;
1345
}
1346

    
1347
static int usb_device_del(const char *devname)
1348
{
1349
    int bus_num, addr;
1350
    const char *p;
1351

    
1352
    if (strstart(devname, "host:", &p))
1353
        return usb_host_device_close(p);
1354

    
1355
    if (!usb_enabled)
1356
        return -1;
1357

    
1358
    p = strchr(devname, '.');
1359
    if (!p)
1360
        return -1;
1361
    bus_num = strtoul(devname, NULL, 0);
1362
    addr = strtoul(p + 1, NULL, 0);
1363

    
1364
    return usb_device_delete_addr(bus_num, addr);
1365
}
1366

    
1367
static int usb_parse(const char *cmdline)
1368
{
1369
    int r;
1370
    r = usb_device_add(cmdline);
1371
    if (r < 0) {
1372
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1373
    }
1374
    return r;
1375
}
1376

    
1377
void do_usb_add(Monitor *mon, const QDict *qdict)
1378
{
1379
    const char *devname = qdict_get_str(qdict, "devname");
1380
    if (usb_device_add(devname) < 0) {
1381
        error_report("could not add USB device '%s'", devname);
1382
    }
1383
}
1384

    
1385
void do_usb_del(Monitor *mon, const QDict *qdict)
1386
{
1387
    const char *devname = qdict_get_str(qdict, "devname");
1388
    if (usb_device_del(devname) < 0) {
1389
        error_report("could not delete USB device '%s'", devname);
1390
    }
1391
}
1392

    
1393
/***********************************************************/
1394
/* PCMCIA/Cardbus */
1395

    
1396
static struct pcmcia_socket_entry_s {
1397
    PCMCIASocket *socket;
1398
    struct pcmcia_socket_entry_s *next;
1399
} *pcmcia_sockets = 0;
1400

    
1401
void pcmcia_socket_register(PCMCIASocket *socket)
1402
{
1403
    struct pcmcia_socket_entry_s *entry;
1404

    
1405
    entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1406
    entry->socket = socket;
1407
    entry->next = pcmcia_sockets;
1408
    pcmcia_sockets = entry;
1409
}
1410

    
1411
void pcmcia_socket_unregister(PCMCIASocket *socket)
1412
{
1413
    struct pcmcia_socket_entry_s *entry, **ptr;
1414

    
1415
    ptr = &pcmcia_sockets;
1416
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1417
        if (entry->socket == socket) {
1418
            *ptr = entry->next;
1419
            qemu_free(entry);
1420
        }
1421
}
1422

    
1423
void pcmcia_info(Monitor *mon)
1424
{
1425
    struct pcmcia_socket_entry_s *iter;
1426

    
1427
    if (!pcmcia_sockets)
1428
        monitor_printf(mon, "No PCMCIA sockets\n");
1429

    
1430
    for (iter = pcmcia_sockets; iter; iter = iter->next)
1431
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1432
                       iter->socket->attached ? iter->socket->card_string :
1433
                       "Empty");
1434
}
1435

    
1436
/***********************************************************/
1437
/* I/O handling */
1438

    
1439
typedef struct IOHandlerRecord {
1440
    int fd;
1441
    IOCanReadHandler *fd_read_poll;
1442
    IOHandler *fd_read;
1443
    IOHandler *fd_write;
1444
    int deleted;
1445
    void *opaque;
1446
    /* temporary data */
1447
    struct pollfd *ufd;
1448
    QLIST_ENTRY(IOHandlerRecord) next;
1449
} IOHandlerRecord;
1450

    
1451
static QLIST_HEAD(, IOHandlerRecord) io_handlers =
1452
    QLIST_HEAD_INITIALIZER(io_handlers);
1453

    
1454

    
1455
/* XXX: fd_read_poll should be suppressed, but an API change is
1456
   necessary in the character devices to suppress fd_can_read(). */
1457
int qemu_set_fd_handler2(int fd,
1458
                         IOCanReadHandler *fd_read_poll,
1459
                         IOHandler *fd_read,
1460
                         IOHandler *fd_write,
1461
                         void *opaque)
1462
{
1463
    IOHandlerRecord *ioh;
1464

    
1465
    if (!fd_read && !fd_write) {
1466
        QLIST_FOREACH(ioh, &io_handlers, next) {
1467
            if (ioh->fd == fd) {
1468
                ioh->deleted = 1;
1469
                break;
1470
            }
1471
        }
1472
    } else {
1473
        QLIST_FOREACH(ioh, &io_handlers, next) {
1474
            if (ioh->fd == fd)
1475
                goto found;
1476
        }
1477
        ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1478
        QLIST_INSERT_HEAD(&io_handlers, ioh, next);
1479
    found:
1480
        ioh->fd = fd;
1481
        ioh->fd_read_poll = fd_read_poll;
1482
        ioh->fd_read = fd_read;
1483
        ioh->fd_write = fd_write;
1484
        ioh->opaque = opaque;
1485
        ioh->deleted = 0;
1486
    }
1487
    return 0;
1488
}
1489

    
1490
int qemu_set_fd_handler(int fd,
1491
                        IOHandler *fd_read,
1492
                        IOHandler *fd_write,
1493
                        void *opaque)
1494
{
1495
    return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
1496
}
1497

    
1498
#ifdef _WIN32
1499
/***********************************************************/
1500
/* Polling handling */
1501

    
1502
typedef struct PollingEntry {
1503
    PollingFunc *func;
1504
    void *opaque;
1505
    struct PollingEntry *next;
1506
} PollingEntry;
1507

    
1508
static PollingEntry *first_polling_entry;
1509

    
1510
int qemu_add_polling_cb(PollingFunc *func, void *opaque)
1511
{
1512
    PollingEntry **ppe, *pe;
1513
    pe = qemu_mallocz(sizeof(PollingEntry));
1514
    pe->func = func;
1515
    pe->opaque = opaque;
1516
    for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
1517
    *ppe = pe;
1518
    return 0;
1519
}
1520

    
1521
void qemu_del_polling_cb(PollingFunc *func, void *opaque)
1522
{
1523
    PollingEntry **ppe, *pe;
1524
    for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
1525
        pe = *ppe;
1526
        if (pe->func == func && pe->opaque == opaque) {
1527
            *ppe = pe->next;
1528
            qemu_free(pe);
1529
            break;
1530
        }
1531
    }
1532
}
1533

    
1534
/***********************************************************/
1535
/* Wait objects support */
1536
typedef struct WaitObjects {
1537
    int num;
1538
    HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
1539
    WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
1540
    void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
1541
} WaitObjects;
1542

    
1543
static WaitObjects wait_objects = {0};
1544

    
1545
int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
1546
{
1547
    WaitObjects *w = &wait_objects;
1548

    
1549
    if (w->num >= MAXIMUM_WAIT_OBJECTS)
1550
        return -1;
1551
    w->events[w->num] = handle;
1552
    w->func[w->num] = func;
1553
    w->opaque[w->num] = opaque;
1554
    w->num++;
1555
    return 0;
1556
}
1557

    
1558
void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
1559
{
1560
    int i, found;
1561
    WaitObjects *w = &wait_objects;
1562

    
1563
    found = 0;
1564
    for (i = 0; i < w->num; i++) {
1565
        if (w->events[i] == handle)
1566
            found = 1;
1567
        if (found) {
1568
            w->events[i] = w->events[i + 1];
1569
            w->func[i] = w->func[i + 1];
1570
            w->opaque[i] = w->opaque[i + 1];
1571
        }
1572
    }
1573
    if (found)
1574
        w->num--;
1575
}
1576
#endif
1577

    
1578
/***********************************************************/
1579
/* machine registration */
1580

    
1581
static QEMUMachine *first_machine = NULL;
1582
QEMUMachine *current_machine = NULL;
1583

    
1584
int qemu_register_machine(QEMUMachine *m)
1585
{
1586
    QEMUMachine **pm;
1587
    pm = &first_machine;
1588
    while (*pm != NULL)
1589
        pm = &(*pm)->next;
1590
    m->next = NULL;
1591
    *pm = m;
1592
    return 0;
1593
}
1594

    
1595
static QEMUMachine *find_machine(const char *name)
1596
{
1597
    QEMUMachine *m;
1598

    
1599
    for(m = first_machine; m != NULL; m = m->next) {
1600
        if (!strcmp(m->name, name))
1601
            return m;
1602
        if (m->alias && !strcmp(m->alias, name))
1603
            return m;
1604
    }
1605
    return NULL;
1606
}
1607

    
1608
static QEMUMachine *find_default_machine(void)
1609
{
1610
    QEMUMachine *m;
1611

    
1612
    for(m = first_machine; m != NULL; m = m->next) {
1613
        if (m->is_default) {
1614
            return m;
1615
        }
1616
    }
1617
    return NULL;
1618
}
1619

    
1620
/***********************************************************/
1621
/* main execution loop */
1622

    
1623
static void gui_update(void *opaque)
1624
{
1625
    uint64_t interval = GUI_REFRESH_INTERVAL;
1626
    DisplayState *ds = opaque;
1627
    DisplayChangeListener *dcl = ds->listeners;
1628

    
1629
    qemu_flush_coalesced_mmio_buffer();
1630
    dpy_refresh(ds);
1631

    
1632
    while (dcl != NULL) {
1633
        if (dcl->gui_timer_interval &&
1634
            dcl->gui_timer_interval < interval)
1635
            interval = dcl->gui_timer_interval;
1636
        dcl = dcl->next;
1637
    }
1638
    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1639
}
1640

    
1641
static void nographic_update(void *opaque)
1642
{
1643
    uint64_t interval = GUI_REFRESH_INTERVAL;
1644

    
1645
    qemu_flush_coalesced_mmio_buffer();
1646
    qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1647
}
1648

    
1649
struct vm_change_state_entry {
1650
    VMChangeStateHandler *cb;
1651
    void *opaque;
1652
    QLIST_ENTRY (vm_change_state_entry) entries;
1653
};
1654

    
1655
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1656

    
1657
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1658
                                                     void *opaque)
1659
{
1660
    VMChangeStateEntry *e;
1661

    
1662
    e = qemu_mallocz(sizeof (*e));
1663

    
1664
    e->cb = cb;
1665
    e->opaque = opaque;
1666
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1667
    return e;
1668
}
1669

    
1670
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1671
{
1672
    QLIST_REMOVE (e, entries);
1673
    qemu_free (e);
1674
}
1675

    
1676
void vm_state_notify(int running, int reason)
1677
{
1678
    VMChangeStateEntry *e;
1679

    
1680
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1681
        e->cb(e->opaque, running, reason);
1682
    }
1683
}
1684

    
1685
void vm_start(void)
1686
{
1687
    if (!vm_running) {
1688
        cpu_enable_ticks();
1689
        vm_running = 1;
1690
        vm_state_notify(1, 0);
1691
        resume_all_vcpus();
1692
        monitor_protocol_event(QEVENT_RESUME, NULL);
1693
    }
1694
}
1695

    
1696
/* reset/shutdown handler */
1697

    
1698
typedef struct QEMUResetEntry {
1699
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1700
    QEMUResetHandler *func;
1701
    void *opaque;
1702
} QEMUResetEntry;
1703

    
1704
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1705
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1706
static int reset_requested;
1707
static int shutdown_requested;
1708
static int powerdown_requested;
1709
int debug_requested;
1710
int vmstop_requested;
1711

    
1712
int qemu_shutdown_requested(void)
1713
{
1714
    int r = shutdown_requested;
1715
    shutdown_requested = 0;
1716
    return r;
1717
}
1718

    
1719
int qemu_reset_requested(void)
1720
{
1721
    int r = reset_requested;
1722
    reset_requested = 0;
1723
    return r;
1724
}
1725

    
1726
int qemu_powerdown_requested(void)
1727
{
1728
    int r = powerdown_requested;
1729
    powerdown_requested = 0;
1730
    return r;
1731
}
1732

    
1733
static int qemu_debug_requested(void)
1734
{
1735
    int r = debug_requested;
1736
    debug_requested = 0;
1737
    return r;
1738
}
1739

    
1740
static int qemu_vmstop_requested(void)
1741
{
1742
    int r = vmstop_requested;
1743
    vmstop_requested = 0;
1744
    return r;
1745
}
1746

    
1747
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1748
{
1749
    QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1750

    
1751
    re->func = func;
1752
    re->opaque = opaque;
1753
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1754
}
1755

    
1756
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1757
{
1758
    QEMUResetEntry *re;
1759

    
1760
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1761
        if (re->func == func && re->opaque == opaque) {
1762
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1763
            qemu_free(re);
1764
            return;
1765
        }
1766
    }
1767
}
1768

    
1769
void qemu_system_reset(void)
1770
{
1771
    QEMUResetEntry *re, *nre;
1772

    
1773
    /* reset all devices */
1774
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1775
        re->func(re->opaque);
1776
    }
1777
    monitor_protocol_event(QEVENT_RESET, NULL);
1778
    cpu_synchronize_all_post_reset();
1779
}
1780

    
1781
void qemu_system_reset_request(void)
1782
{
1783
    if (no_reboot) {
1784
        shutdown_requested = 1;
1785
    } else {
1786
        reset_requested = 1;
1787
    }
1788
    qemu_notify_event();
1789
}
1790

    
1791
void qemu_system_shutdown_request(void)
1792
{
1793
    shutdown_requested = 1;
1794
    qemu_notify_event();
1795
}
1796

    
1797
void qemu_system_powerdown_request(void)
1798
{
1799
    powerdown_requested = 1;
1800
    qemu_notify_event();
1801
}
1802

    
1803
#ifdef _WIN32
1804
static void host_main_loop_wait(int *timeout)
1805
{
1806
    int ret, ret2, i;
1807
    PollingEntry *pe;
1808

    
1809

    
1810
    /* XXX: need to suppress polling by better using win32 events */
1811
    ret = 0;
1812
    for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
1813
        ret |= pe->func(pe->opaque);
1814
    }
1815
    if (ret == 0) {
1816
        int err;
1817
        WaitObjects *w = &wait_objects;
1818

    
1819
        ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
1820
        if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
1821
            if (w->func[ret - WAIT_OBJECT_0])
1822
                w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
1823

    
1824
            /* Check for additional signaled events */
1825
            for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
1826

    
1827
                /* Check if event is signaled */
1828
                ret2 = WaitForSingleObject(w->events[i], 0);
1829
                if(ret2 == WAIT_OBJECT_0) {
1830
                    if (w->func[i])
1831
                        w->func[i](w->opaque[i]);
1832
                } else if (ret2 == WAIT_TIMEOUT) {
1833
                } else {
1834
                    err = GetLastError();
1835
                    fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
1836
                }
1837
            }
1838
        } else if (ret == WAIT_TIMEOUT) {
1839
        } else {
1840
            err = GetLastError();
1841
            fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
1842
        }
1843
    }
1844

    
1845
    *timeout = 0;
1846
}
1847
#else
1848
static void host_main_loop_wait(int *timeout)
1849
{
1850
}
1851
#endif
1852

    
1853
void main_loop_wait(int nonblocking)
1854
{
1855
    IOHandlerRecord *ioh;
1856
    fd_set rfds, wfds, xfds;
1857
    int ret, nfds;
1858
    struct timeval tv;
1859
    int timeout;
1860

    
1861
    if (nonblocking)
1862
        timeout = 0;
1863
    else {
1864
        timeout = qemu_calculate_timeout();
1865
        qemu_bh_update_timeout(&timeout);
1866
    }
1867

    
1868
    host_main_loop_wait(&timeout);
1869

    
1870
    /* poll any events */
1871
    /* XXX: separate device handlers from system ones */
1872
    nfds = -1;
1873
    FD_ZERO(&rfds);
1874
    FD_ZERO(&wfds);
1875
    FD_ZERO(&xfds);
1876
    QLIST_FOREACH(ioh, &io_handlers, next) {
1877
        if (ioh->deleted)
1878
            continue;
1879
        if (ioh->fd_read &&
1880
            (!ioh->fd_read_poll ||
1881
             ioh->fd_read_poll(ioh->opaque) != 0)) {
1882
            FD_SET(ioh->fd, &rfds);
1883
            if (ioh->fd > nfds)
1884
                nfds = ioh->fd;
1885
        }
1886
        if (ioh->fd_write) {
1887
            FD_SET(ioh->fd, &wfds);
1888
            if (ioh->fd > nfds)
1889
                nfds = ioh->fd;
1890
        }
1891
    }
1892

    
1893
    tv.tv_sec = timeout / 1000;
1894
    tv.tv_usec = (timeout % 1000) * 1000;
1895

    
1896
    slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1897

    
1898
    qemu_mutex_unlock_iothread();
1899
    ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1900
    qemu_mutex_lock_iothread();
1901
    if (ret > 0) {
1902
        IOHandlerRecord *pioh;
1903

    
1904
        QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1905
            if (ioh->deleted) {
1906
                QLIST_REMOVE(ioh, next);
1907
                qemu_free(ioh);
1908
                continue;
1909
            }
1910
            if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1911
                ioh->fd_read(ioh->opaque);
1912
            }
1913
            if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1914
                ioh->fd_write(ioh->opaque);
1915
            }
1916
        }
1917
    }
1918

    
1919
    slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1920

    
1921
    qemu_run_all_timers();
1922

    
1923
    /* Check bottom-halves last in case any of the earlier events triggered
1924
       them.  */
1925
    qemu_bh_poll();
1926

    
1927
}
1928

    
1929
static int vm_can_run(void)
1930
{
1931
    if (powerdown_requested)
1932
        return 0;
1933
    if (reset_requested)
1934
        return 0;
1935
    if (shutdown_requested)
1936
        return 0;
1937
    if (debug_requested)
1938
        return 0;
1939
    return 1;
1940
}
1941

    
1942
qemu_irq qemu_system_powerdown;
1943

    
1944
static void main_loop(void)
1945
{
1946
    int r;
1947

    
1948
    qemu_main_loop_start();
1949

    
1950
    for (;;) {
1951
        do {
1952
            bool nonblocking = false;
1953
#ifdef CONFIG_PROFILER
1954
            int64_t ti;
1955
#endif
1956
#ifndef CONFIG_IOTHREAD
1957
            nonblocking = tcg_cpu_exec();
1958
#endif
1959
#ifdef CONFIG_PROFILER
1960
            ti = profile_getclock();
1961
#endif
1962
            main_loop_wait(nonblocking);
1963
#ifdef CONFIG_PROFILER
1964
            dev_time += profile_getclock() - ti;
1965
#endif
1966
        } while (vm_can_run());
1967

    
1968
        if ((r = qemu_debug_requested())) {
1969
            vm_stop(r);
1970
        }
1971
        if (qemu_shutdown_requested()) {
1972
            monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1973
            if (no_shutdown) {
1974
                vm_stop(0);
1975
                no_shutdown = 0;
1976
            } else
1977
                break;
1978
        }
1979
        if (qemu_reset_requested()) {
1980
            pause_all_vcpus();
1981
            qemu_system_reset();
1982
            resume_all_vcpus();
1983
        }
1984
        if (qemu_powerdown_requested()) {
1985
            monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1986
            qemu_irq_raise(qemu_system_powerdown);
1987
        }
1988
        if ((r = qemu_vmstop_requested())) {
1989
            vm_stop(r);
1990
        }
1991
    }
1992
    pause_all_vcpus();
1993
}
1994

    
1995
static void version(void)
1996
{
1997
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1998
}
1999

    
2000
static void help(int exitcode)
2001
{
2002
    const char *options_help =
2003
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
2004
        opt_help
2005
#define DEFHEADING(text) stringify(text) "\n"
2006
#include "qemu-options.h"
2007
#undef DEF
2008
#undef DEFHEADING
2009
#undef GEN_DOCS
2010
        ;
2011
    version();
2012
    printf("usage: %s [options] [disk_image]\n"
2013
           "\n"
2014
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
2015
           "\n"
2016
           "%s\n"
2017
           "During emulation, the following keys are useful:\n"
2018
           "ctrl-alt-f      toggle full screen\n"
2019
           "ctrl-alt-n      switch to virtual console 'n'\n"
2020
           "ctrl-alt        toggle mouse and keyboard grab\n"
2021
           "\n"
2022
           "When using -nographic, press 'ctrl-a h' to get some help.\n",
2023
           "qemu",
2024
           options_help);
2025
    exit(exitcode);
2026
}
2027

    
2028
#define HAS_ARG 0x0001
2029

    
2030
enum {
2031
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
2032
    opt_enum,
2033
#define DEFHEADING(text)
2034
#include "qemu-options.h"
2035
#undef DEF
2036
#undef DEFHEADING
2037
#undef GEN_DOCS
2038
};
2039

    
2040
typedef struct QEMUOption {
2041
    const char *name;
2042
    int flags;
2043
    int index;
2044
    uint32_t arch_mask;
2045
} QEMUOption;
2046

    
2047
static const QEMUOption qemu_options[] = {
2048
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2049
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
2050
    { option, opt_arg, opt_enum, arch_mask },
2051
#define DEFHEADING(text)
2052
#include "qemu-options.h"
2053
#undef DEF
2054
#undef DEFHEADING
2055
#undef GEN_DOCS
2056
    { NULL },
2057
};
2058
static void select_vgahw (const char *p)
2059
{
2060
    const char *opts;
2061

    
2062
    default_vga = 0;
2063
    vga_interface_type = VGA_NONE;
2064
    if (strstart(p, "std", &opts)) {
2065
        vga_interface_type = VGA_STD;
2066
    } else if (strstart(p, "cirrus", &opts)) {
2067
        vga_interface_type = VGA_CIRRUS;
2068
    } else if (strstart(p, "vmware", &opts)) {
2069
        vga_interface_type = VGA_VMWARE;
2070
    } else if (strstart(p, "xenfb", &opts)) {
2071
        vga_interface_type = VGA_XENFB;
2072
    } else if (!strstart(p, "none", &opts)) {
2073
    invalid_vga:
2074
        fprintf(stderr, "Unknown vga type: %s\n", p);
2075
        exit(1);
2076
    }
2077
    while (*opts) {
2078
        const char *nextopt;
2079

    
2080
        if (strstart(opts, ",retrace=", &nextopt)) {
2081
            opts = nextopt;
2082
            if (strstart(opts, "dumb", &nextopt))
2083
                vga_retrace_method = VGA_RETRACE_DUMB;
2084
            else if (strstart(opts, "precise", &nextopt))
2085
                vga_retrace_method = VGA_RETRACE_PRECISE;
2086
            else goto invalid_vga;
2087
        } else goto invalid_vga;
2088
        opts = nextopt;
2089
    }
2090
}
2091

    
2092
static int balloon_parse(const char *arg)
2093
{
2094
    QemuOpts *opts;
2095

    
2096
    if (strcmp(arg, "none") == 0) {
2097
        return 0;
2098
    }
2099

    
2100
    if (!strncmp(arg, "virtio", 6)) {
2101
        if (arg[6] == ',') {
2102
            /* have params -> parse them */
2103
            opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
2104
            if (!opts)
2105
                return  -1;
2106
        } else {
2107
            /* create empty opts */
2108
            opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2109
        }
2110
        qemu_opt_set(opts, "driver", "virtio-balloon-pci");
2111
        return 0;
2112
    }
2113

    
2114
    return -1;
2115
}
2116

    
2117
#ifdef _WIN32
2118
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
2119
{
2120
    exit(STATUS_CONTROL_C_EXIT);
2121
    return TRUE;
2122
}
2123
#endif
2124

    
2125
#ifndef _WIN32
2126

    
2127
static void termsig_handler(int signal)
2128
{
2129
    qemu_system_shutdown_request();
2130
}
2131

    
2132
static void sigchld_handler(int signal)
2133
{
2134
    waitpid(-1, NULL, WNOHANG);
2135
}
2136

    
2137
static void sighandler_setup(void)
2138
{
2139
    struct sigaction act;
2140

    
2141
    memset(&act, 0, sizeof(act));
2142
    act.sa_handler = termsig_handler;
2143
    sigaction(SIGINT,  &act, NULL);
2144
    sigaction(SIGHUP,  &act, NULL);
2145
    sigaction(SIGTERM, &act, NULL);
2146

    
2147
    act.sa_handler = sigchld_handler;
2148
    act.sa_flags = SA_NOCLDSTOP;
2149
    sigaction(SIGCHLD, &act, NULL);
2150
}
2151

    
2152
#endif
2153

    
2154
#ifdef _WIN32
2155
/* Look for support files in the same directory as the executable.  */
2156
static char *find_datadir(const char *argv0)
2157
{
2158
    char *p;
2159
    char buf[MAX_PATH];
2160
    DWORD len;
2161

    
2162
    len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
2163
    if (len == 0) {
2164
        return NULL;
2165
    }
2166

    
2167
    buf[len] = 0;
2168
    p = buf + len - 1;
2169
    while (p != buf && *p != '\\')
2170
        p--;
2171
    *p = 0;
2172
    if (access(buf, R_OK) == 0) {
2173
        return qemu_strdup(buf);
2174
    }
2175
    return NULL;
2176
}
2177
#else /* !_WIN32 */
2178

    
2179
/* Find a likely location for support files using the location of the binary.
2180
   For installed binaries this will be "$bindir/../share/qemu".  When
2181
   running from the build tree this will be "$bindir/../pc-bios".  */
2182
#define SHARE_SUFFIX "/share/qemu"
2183
#define BUILD_SUFFIX "/pc-bios"
2184
static char *find_datadir(const char *argv0)
2185
{
2186
    char *dir;
2187
    char *p = NULL;
2188
    char *res;
2189
    char buf[PATH_MAX];
2190
    size_t max_len;
2191

    
2192
#if defined(__linux__)
2193
    {
2194
        int len;
2195
        len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
2196
        if (len > 0) {
2197
            buf[len] = 0;
2198
            p = buf;
2199
        }
2200
    }
2201
#elif defined(__FreeBSD__)
2202
    {
2203
        static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
2204
        size_t len = sizeof(buf) - 1;
2205

    
2206
        *buf = '\0';
2207
        if (!sysctl(mib, sizeof(mib)/sizeof(*mib), buf, &len, NULL, 0) &&
2208
            *buf) {
2209
            buf[sizeof(buf) - 1] = '\0';
2210
            p = buf;
2211
        }
2212
    }
2213
#endif
2214
    /* If we don't have any way of figuring out the actual executable
2215
       location then try argv[0].  */
2216
    if (!p) {
2217
        p = realpath(argv0, buf);
2218
        if (!p) {
2219
            return NULL;
2220
        }
2221
    }
2222
    dir = dirname(p);
2223
    dir = dirname(dir);
2224

    
2225
    max_len = strlen(dir) +
2226
        MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
2227
    res = qemu_mallocz(max_len);
2228
    snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
2229
    if (access(res, R_OK)) {
2230
        snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
2231
        if (access(res, R_OK)) {
2232
            qemu_free(res);
2233
            res = NULL;
2234
        }
2235
    }
2236

    
2237
    return res;
2238
}
2239
#undef SHARE_SUFFIX
2240
#undef BUILD_SUFFIX
2241
#endif
2242

    
2243
char *qemu_find_file(int type, const char *name)
2244
{
2245
    int len;
2246
    const char *subdir;
2247
    char *buf;
2248

    
2249
    /* If name contains path separators then try it as a straight path.  */
2250
    if ((strchr(name, '/') || strchr(name, '\\'))
2251
        && access(name, R_OK) == 0) {
2252
        return qemu_strdup(name);
2253
    }
2254
    switch (type) {
2255
    case QEMU_FILE_TYPE_BIOS:
2256
        subdir = "";
2257
        break;
2258
    case QEMU_FILE_TYPE_KEYMAP:
2259
        subdir = "keymaps/";
2260
        break;
2261
    default:
2262
        abort();
2263
    }
2264
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2265
    buf = qemu_mallocz(len);
2266
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2267
    if (access(buf, R_OK)) {
2268
        qemu_free(buf);
2269
        return NULL;
2270
    }
2271
    return buf;
2272
}
2273

    
2274
static int device_help_func(QemuOpts *opts, void *opaque)
2275
{
2276
    return qdev_device_help(opts);
2277
}
2278

    
2279
static int device_init_func(QemuOpts *opts, void *opaque)
2280
{
2281
    DeviceState *dev;
2282

    
2283
    dev = qdev_device_add(opts);
2284
    if (!dev)
2285
        return -1;
2286
    return 0;
2287
}
2288

    
2289
static int chardev_init_func(QemuOpts *opts, void *opaque)
2290
{
2291
    CharDriverState *chr;
2292

    
2293
    chr = qemu_chr_open_opts(opts, NULL);
2294
    if (!chr)
2295
        return -1;
2296
    return 0;
2297
}
2298

    
2299
#ifdef CONFIG_LINUX
2300
static int fsdev_init_func(QemuOpts *opts, void *opaque)
2301
{
2302
    int ret;
2303
    ret = qemu_fsdev_add(opts);
2304

    
2305
    return ret;
2306
}
2307
#endif
2308

    
2309
static int mon_init_func(QemuOpts *opts, void *opaque)
2310
{
2311
    CharDriverState *chr;
2312
    const char *chardev;
2313
    const char *mode;
2314
    int flags;
2315

    
2316
    mode = qemu_opt_get(opts, "mode");
2317
    if (mode == NULL) {
2318
        mode = "readline";
2319
    }
2320
    if (strcmp(mode, "readline") == 0) {
2321
        flags = MONITOR_USE_READLINE;
2322
    } else if (strcmp(mode, "control") == 0) {
2323
        flags = MONITOR_USE_CONTROL;
2324
    } else {
2325
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2326
        exit(1);
2327
    }
2328

    
2329
    if (qemu_opt_get_bool(opts, "default", 0))
2330
        flags |= MONITOR_IS_DEFAULT;
2331

    
2332
    chardev = qemu_opt_get(opts, "chardev");
2333
    chr = qemu_chr_find(chardev);
2334
    if (chr == NULL) {
2335
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2336
        exit(1);
2337
    }
2338

    
2339
    monitor_init(chr, flags);
2340
    return 0;
2341
}
2342

    
2343
static void monitor_parse(const char *optarg, const char *mode)
2344
{
2345
    static int monitor_device_index = 0;
2346
    QemuOpts *opts;
2347
    const char *p;
2348
    char label[32];
2349
    int def = 0;
2350

    
2351
    if (strstart(optarg, "chardev:", &p)) {
2352
        snprintf(label, sizeof(label), "%s", p);
2353
    } else {
2354
        snprintf(label, sizeof(label), "compat_monitor%d",
2355
                 monitor_device_index);
2356
        if (monitor_device_index == 0) {
2357
            def = 1;
2358
        }
2359
        opts = qemu_chr_parse_compat(label, optarg);
2360
        if (!opts) {
2361
            fprintf(stderr, "parse error: %s\n", optarg);
2362
            exit(1);
2363
        }
2364
    }
2365

    
2366
    opts = qemu_opts_create(&qemu_mon_opts, label, 1);
2367
    if (!opts) {
2368
        fprintf(stderr, "duplicate chardev: %s\n", label);
2369
        exit(1);
2370
    }
2371
    qemu_opt_set(opts, "mode", mode);
2372
    qemu_opt_set(opts, "chardev", label);
2373
    if (def)
2374
        qemu_opt_set(opts, "default", "on");
2375
    monitor_device_index++;
2376
}
2377

    
2378
struct device_config {
2379
    enum {
2380
        DEV_USB,       /* -usbdevice     */
2381
        DEV_BT,        /* -bt            */
2382
        DEV_SERIAL,    /* -serial        */
2383
        DEV_PARALLEL,  /* -parallel      */
2384
        DEV_VIRTCON,   /* -virtioconsole */
2385
        DEV_DEBUGCON,  /* -debugcon */
2386
    } type;
2387
    const char *cmdline;
2388
    QTAILQ_ENTRY(device_config) next;
2389
};
2390
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2391

    
2392
static void add_device_config(int type, const char *cmdline)
2393
{
2394
    struct device_config *conf;
2395

    
2396
    conf = qemu_mallocz(sizeof(*conf));
2397
    conf->type = type;
2398
    conf->cmdline = cmdline;
2399
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2400
}
2401

    
2402
static int foreach_device_config(int type, int (*func)(const char *cmdline))
2403
{
2404
    struct device_config *conf;
2405
    int rc;
2406

    
2407
    QTAILQ_FOREACH(conf, &device_configs, next) {
2408
        if (conf->type != type)
2409
            continue;
2410
        rc = func(conf->cmdline);
2411
        if (0 != rc)
2412
            return rc;
2413
    }
2414
    return 0;
2415
}
2416

    
2417
static int serial_parse(const char *devname)
2418
{
2419
    static int index = 0;
2420
    char label[32];
2421

    
2422
    if (strcmp(devname, "none") == 0)
2423
        return 0;
2424
    if (index == MAX_SERIAL_PORTS) {
2425
        fprintf(stderr, "qemu: too many serial ports\n");
2426
        exit(1);
2427
    }
2428
    snprintf(label, sizeof(label), "serial%d", index);
2429
    serial_hds[index] = qemu_chr_open(label, devname, NULL);
2430
    if (!serial_hds[index]) {
2431
        fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
2432
                devname, strerror(errno));
2433
        return -1;
2434
    }
2435
    index++;
2436
    return 0;
2437
}
2438

    
2439
static int parallel_parse(const char *devname)
2440
{
2441
    static int index = 0;
2442
    char label[32];
2443

    
2444
    if (strcmp(devname, "none") == 0)
2445
        return 0;
2446
    if (index == MAX_PARALLEL_PORTS) {
2447
        fprintf(stderr, "qemu: too many parallel ports\n");
2448
        exit(1);
2449
    }
2450
    snprintf(label, sizeof(label), "parallel%d", index);
2451
    parallel_hds[index] = qemu_chr_open(label, devname, NULL);
2452
    if (!parallel_hds[index]) {
2453
        fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2454
                devname, strerror(errno));
2455
        return -1;
2456
    }
2457
    index++;
2458
    return 0;
2459
}
2460

    
2461
static int virtcon_parse(const char *devname)
2462
{
2463
    static int index = 0;
2464
    char label[32];
2465
    QemuOpts *bus_opts, *dev_opts;
2466

    
2467
    if (strcmp(devname, "none") == 0)
2468
        return 0;
2469
    if (index == MAX_VIRTIO_CONSOLES) {
2470
        fprintf(stderr, "qemu: too many virtio consoles\n");
2471
        exit(1);
2472
    }
2473

    
2474
    bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2475
    qemu_opt_set(bus_opts, "driver", "virtio-serial");
2476

    
2477
    dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2478
    qemu_opt_set(dev_opts, "driver", "virtconsole");
2479

    
2480
    snprintf(label, sizeof(label), "virtcon%d", index);
2481
    virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
2482
    if (!virtcon_hds[index]) {
2483
        fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2484
                devname, strerror(errno));
2485
        return -1;
2486
    }
2487
    qemu_opt_set(dev_opts, "chardev", label);
2488

    
2489
    index++;
2490
    return 0;
2491
}
2492

    
2493
static int debugcon_parse(const char *devname)
2494
{   
2495
    QemuOpts *opts;
2496

    
2497
    if (!qemu_chr_open("debugcon", devname, NULL)) {
2498
        exit(1);
2499
    }
2500
    opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1);
2501
    if (!opts) {
2502
        fprintf(stderr, "qemu: already have a debugcon device\n");
2503
        exit(1);
2504
    }
2505
    qemu_opt_set(opts, "driver", "isa-debugcon");
2506
    qemu_opt_set(opts, "chardev", "debugcon");
2507
    return 0;
2508
}
2509

    
2510
static const QEMUOption *lookup_opt(int argc, char **argv,
2511
                                    const char **poptarg, int *poptind)
2512
{
2513
    const QEMUOption *popt;
2514
    int optind = *poptind;
2515
    char *r = argv[optind];
2516
    const char *optarg;
2517

    
2518
    loc_set_cmdline(argv, optind, 1);
2519
    optind++;
2520
    /* Treat --foo the same as -foo.  */
2521
    if (r[1] == '-')
2522
        r++;
2523
    popt = qemu_options;
2524
    for(;;) {
2525
        if (!popt->name) {
2526
            error_report("invalid option");
2527
            exit(1);
2528
        }
2529
        if (!strcmp(popt->name, r + 1))
2530
            break;
2531
        popt++;
2532
    }
2533
    if (popt->flags & HAS_ARG) {
2534
        if (optind >= argc) {
2535
            error_report("requires an argument");
2536
            exit(1);
2537
        }
2538
        optarg = argv[optind++];
2539
        loc_set_cmdline(argv, optind - 2, 2);
2540
    } else {
2541
        optarg = NULL;
2542
    }
2543

    
2544
    *poptarg = optarg;
2545
    *poptind = optind;
2546

    
2547
    return popt;
2548
}
2549

    
2550
int main(int argc, char **argv, char **envp)
2551
{
2552
    const char *gdbstub_dev = NULL;
2553
    int i;
2554
    int snapshot, linux_boot;
2555
    const char *icount_option = NULL;
2556
    const char *initrd_filename;
2557
    const char *kernel_filename, *kernel_cmdline;
2558
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2559
    DisplayState *ds;
2560
    DisplayChangeListener *dcl;
2561
    int cyls, heads, secs, translation;
2562
    QemuOpts *hda_opts = NULL, *opts;
2563
    int optind;
2564
    const char *optarg;
2565
    const char *loadvm = NULL;
2566
    QEMUMachine *machine;
2567
    const char *cpu_model;
2568
#ifndef _WIN32
2569
    int fds[2];
2570
#endif
2571
    int tb_size;
2572
    const char *pid_file = NULL;
2573
    const char *incoming = NULL;
2574
#ifndef _WIN32
2575
    int fd = 0;
2576
    struct passwd *pwd = NULL;
2577
    const char *chroot_dir = NULL;
2578
    const char *run_as = NULL;
2579
#endif
2580
    int show_vnc_port = 0;
2581
    int defconfig = 1;
2582

    
2583
    error_set_progname(argv[0]);
2584

    
2585
    init_clocks();
2586

    
2587
    qemu_cache_utils_init(envp);
2588

    
2589
    QLIST_INIT (&vm_change_state_head);
2590
#ifndef _WIN32
2591
    {
2592
        struct sigaction act;
2593
        sigfillset(&act.sa_mask);
2594
        act.sa_flags = 0;
2595
        act.sa_handler = SIG_IGN;
2596
        sigaction(SIGPIPE, &act, NULL);
2597
    }
2598
#else
2599
    SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
2600
    /* Note: cpu_interrupt() is currently not SMP safe, so we force
2601
       QEMU to run on a single CPU */
2602
    {
2603
        HANDLE h;
2604
        DWORD mask, smask;
2605
        int i;
2606
        h = GetCurrentProcess();
2607
        if (GetProcessAffinityMask(h, &mask, &smask)) {
2608
            for(i = 0; i < 32; i++) {
2609
                if (mask & (1 << i))
2610
                    break;
2611
            }
2612
            if (i != 32) {
2613
                mask = 1 << i;
2614
                SetProcessAffinityMask(h, mask);
2615
            }
2616
        }
2617
    }
2618
#endif
2619

    
2620
    module_call_init(MODULE_INIT_MACHINE);
2621
    machine = find_default_machine();
2622
    cpu_model = NULL;
2623
    initrd_filename = NULL;
2624
    ram_size = 0;
2625
    snapshot = 0;
2626
    kernel_filename = NULL;
2627
    kernel_cmdline = "";
2628
    cyls = heads = secs = 0;
2629
    translation = BIOS_ATA_TRANSLATION_AUTO;
2630

    
2631
    for (i = 0; i < MAX_NODES; i++) {
2632
        node_mem[i] = 0;
2633
        node_cpumask[i] = 0;
2634
    }
2635

    
2636
    nb_numa_nodes = 0;
2637
    nb_nics = 0;
2638

    
2639
    tb_size = 0;
2640
    autostart= 1;
2641

    
2642
    /* first pass of option parsing */
2643
    optind = 1;
2644
    while (optind < argc) {
2645
        if (argv[optind][0] != '-') {
2646
            /* disk image */
2647
            optind++;
2648
            continue;
2649
        } else {
2650
            const QEMUOption *popt;
2651

    
2652
            popt = lookup_opt(argc, argv, &optarg, &optind);
2653
            switch (popt->index) {
2654
            case QEMU_OPTION_nodefconfig:
2655
                defconfig=0;
2656
                break;
2657
            }
2658
        }
2659
    }
2660

    
2661
    if (defconfig) {
2662
        int ret;
2663

    
2664
        ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2665
        if (ret < 0 && ret != -ENOENT) {
2666
            exit(1);
2667
        }
2668

    
2669
        ret = qemu_read_config_file(arch_config_name);
2670
        if (ret < 0 && ret != -ENOENT) {
2671
            exit(1);
2672
        }
2673
    }
2674
    cpudef_init();
2675

    
2676
    /* second pass of option parsing */
2677
    optind = 1;
2678
    for(;;) {
2679
        if (optind >= argc)
2680
            break;
2681
        if (argv[optind][0] != '-') {
2682
            hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
2683
        } else {
2684
            const QEMUOption *popt;
2685

    
2686
            popt = lookup_opt(argc, argv, &optarg, &optind);
2687
            if (!(popt->arch_mask & arch_type)) {
2688
                printf("Option %s not supported for this target\n", popt->name);
2689
                exit(1);
2690
            }
2691
            switch(popt->index) {
2692
            case QEMU_OPTION_M:
2693
                machine = find_machine(optarg);
2694
                if (!machine) {
2695
                    QEMUMachine *m;
2696
                    printf("Supported machines are:\n");
2697
                    for(m = first_machine; m != NULL; m = m->next) {
2698
                        if (m->alias)
2699
                            printf("%-10s %s (alias of %s)\n",
2700
                                   m->alias, m->desc, m->name);
2701
                        printf("%-10s %s%s\n",
2702
                               m->name, m->desc,
2703
                               m->is_default ? " (default)" : "");
2704
                    }
2705
                    exit(*optarg != '?');
2706
                }
2707
                break;
2708
            case QEMU_OPTION_cpu:
2709
                /* hw initialization will check this */
2710
                if (*optarg == '?') {
2711
                    list_cpus(stdout, &fprintf, optarg);
2712
                    exit(0);
2713
                } else {
2714
                    cpu_model = optarg;
2715
                }
2716
                break;
2717
            case QEMU_OPTION_initrd:
2718
                initrd_filename = optarg;
2719
                break;
2720
            case QEMU_OPTION_hda:
2721
                if (cyls == 0)
2722
                    hda_opts = drive_add(optarg, HD_ALIAS, 0);
2723
                else
2724
                    hda_opts = drive_add(optarg, HD_ALIAS
2725
                             ",cyls=%d,heads=%d,secs=%d%s",
2726
                             0, cyls, heads, secs,
2727
                             translation == BIOS_ATA_TRANSLATION_LBA ?
2728
                                 ",trans=lba" :
2729
                             translation == BIOS_ATA_TRANSLATION_NONE ?
2730
                                 ",trans=none" : "");
2731
                 break;
2732
            case QEMU_OPTION_hdb:
2733
            case QEMU_OPTION_hdc:
2734
            case QEMU_OPTION_hdd:
2735
                drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
2736
                break;
2737
            case QEMU_OPTION_drive:
2738
                drive_add(NULL, "%s", optarg);
2739
                break;
2740
            case QEMU_OPTION_set:
2741
                if (qemu_set_option(optarg) != 0)
2742
                    exit(1);
2743
                break;
2744
            case QEMU_OPTION_global:
2745
                if (qemu_global_option(optarg) != 0)
2746
                    exit(1);
2747
                break;
2748
            case QEMU_OPTION_mtdblock:
2749
                drive_add(optarg, MTD_ALIAS);
2750
                break;
2751
            case QEMU_OPTION_sd:
2752
                drive_add(optarg, SD_ALIAS);
2753
                break;
2754
            case QEMU_OPTION_pflash:
2755
                drive_add(optarg, PFLASH_ALIAS);
2756
                break;
2757
            case QEMU_OPTION_snapshot:
2758
                snapshot = 1;
2759
                break;
2760
            case QEMU_OPTION_hdachs:
2761
                {
2762
                    const char *p;
2763
                    p = optarg;
2764
                    cyls = strtol(p, (char **)&p, 0);
2765
                    if (cyls < 1 || cyls > 16383)
2766
                        goto chs_fail;
2767
                    if (*p != ',')
2768
                        goto chs_fail;
2769
                    p++;
2770
                    heads = strtol(p, (char **)&p, 0);
2771
                    if (heads < 1 || heads > 16)
2772
                        goto chs_fail;
2773
                    if (*p != ',')
2774
                        goto chs_fail;
2775
                    p++;
2776
                    secs = strtol(p, (char **)&p, 0);
2777
                    if (secs < 1 || secs > 63)
2778
                        goto chs_fail;
2779
                    if (*p == ',') {
2780
                        p++;
2781
                        if (!strcmp(p, "none"))
2782
                            translation = BIOS_ATA_TRANSLATION_NONE;
2783
                        else if (!strcmp(p, "lba"))
2784
                            translation = BIOS_ATA_TRANSLATION_LBA;
2785
                        else if (!strcmp(p, "auto"))
2786
                            translation = BIOS_ATA_TRANSLATION_AUTO;
2787
                        else
2788
                            goto chs_fail;
2789
                    } else if (*p != '\0') {
2790
                    chs_fail:
2791
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
2792
                        exit(1);
2793
                    }
2794
                    if (hda_opts != NULL) {
2795
                        char num[16];
2796
                        snprintf(num, sizeof(num), "%d", cyls);
2797
                        qemu_opt_set(hda_opts, "cyls", num);
2798
                        snprintf(num, sizeof(num), "%d", heads);
2799
                        qemu_opt_set(hda_opts, "heads", num);
2800
                        snprintf(num, sizeof(num), "%d", secs);
2801
                        qemu_opt_set(hda_opts, "secs", num);
2802
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2803
                            qemu_opt_set(hda_opts, "trans", "lba");
2804
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2805
                            qemu_opt_set(hda_opts, "trans", "none");
2806
                    }
2807
                }
2808
                break;
2809
            case QEMU_OPTION_numa:
2810
                if (nb_numa_nodes >= MAX_NODES) {
2811
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2812
                    exit(1);
2813
                }
2814
                numa_add(optarg);
2815
                break;
2816
            case QEMU_OPTION_nographic:
2817
                display_type = DT_NOGRAPHIC;
2818
                break;
2819
#ifdef CONFIG_CURSES
2820
            case QEMU_OPTION_curses:
2821
                display_type = DT_CURSES;
2822
                break;
2823
#endif
2824
            case QEMU_OPTION_portrait:
2825
                graphic_rotate = 1;
2826
                break;
2827
            case QEMU_OPTION_kernel:
2828
                kernel_filename = optarg;
2829
                break;
2830
            case QEMU_OPTION_append:
2831
                kernel_cmdline = optarg;
2832
                break;
2833
            case QEMU_OPTION_cdrom:
2834
                drive_add(optarg, CDROM_ALIAS);
2835
                break;
2836
            case QEMU_OPTION_boot:
2837
                {
2838
                    static const char * const params[] = {
2839
                        "order", "once", "menu", NULL
2840
                    };
2841
                    char buf[sizeof(boot_devices)];
2842
                    char *standard_boot_devices;
2843
                    int legacy = 0;
2844

    
2845
                    if (!strchr(optarg, '=')) {
2846
                        legacy = 1;
2847
                        pstrcpy(buf, sizeof(buf), optarg);
2848
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2849
                        fprintf(stderr,
2850
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2851
                                buf, optarg);
2852
                        exit(1);
2853
                    }
2854

    
2855
                    if (legacy ||
2856
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2857
                        validate_bootdevices(buf);
2858
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2859
                    }
2860
                    if (!legacy) {
2861
                        if (get_param_value(buf, sizeof(buf),
2862
                                            "once", optarg)) {
2863
                            validate_bootdevices(buf);
2864
                            standard_boot_devices = qemu_strdup(boot_devices);
2865
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2866
                            qemu_register_reset(restore_boot_devices,
2867
                                                standard_boot_devices);
2868
                        }
2869
                        if (get_param_value(buf, sizeof(buf),
2870
                                            "menu", optarg)) {
2871
                            if (!strcmp(buf, "on")) {
2872
                                boot_menu = 1;
2873
                            } else if (!strcmp(buf, "off")) {
2874
                                boot_menu = 0;
2875
                            } else {
2876
                                fprintf(stderr,
2877
                                        "qemu: invalid option value '%s'\n",
2878
                                        buf);
2879
                                exit(1);
2880
                            }
2881
                        }
2882
                    }
2883
                }
2884
                break;
2885
            case QEMU_OPTION_fda:
2886
            case QEMU_OPTION_fdb:
2887
                drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
2888
                break;
2889
            case QEMU_OPTION_no_fd_bootchk:
2890
                fd_bootchk = 0;
2891
                break;
2892
            case QEMU_OPTION_netdev:
2893
                if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
2894
                    exit(1);
2895
                }
2896
                break;
2897
            case QEMU_OPTION_net:
2898
                if (net_client_parse(&qemu_net_opts, optarg) == -1) {
2899
                    exit(1);
2900
                }
2901
                break;
2902
#ifdef CONFIG_SLIRP
2903
            case QEMU_OPTION_tftp:
2904
                legacy_tftp_prefix = optarg;
2905
                break;
2906
            case QEMU_OPTION_bootp:
2907
                legacy_bootp_filename = optarg;
2908
                break;
2909
#ifndef _WIN32
2910
            case QEMU_OPTION_smb:
2911
                if (net_slirp_smb(optarg) < 0)
2912
                    exit(1);
2913
                break;
2914
#endif
2915
            case QEMU_OPTION_redir:
2916
                if (net_slirp_redir(optarg) < 0)
2917
                    exit(1);
2918
                break;
2919
#endif
2920
            case QEMU_OPTION_bt:
2921
                add_device_config(DEV_BT, optarg);
2922
                break;
2923
            case QEMU_OPTION_audio_help:
2924
                if (!(audio_available())) {
2925
                    printf("Option %s not supported for this target\n", popt->name);
2926
                    exit(1);
2927
                }
2928
                AUD_help ();
2929
                exit (0);
2930
                break;
2931
            case QEMU_OPTION_soundhw:
2932
                if (!(audio_available())) {
2933
                    printf("Option %s not supported for this target\n", popt->name);
2934
                    exit(1);
2935
                }
2936
                select_soundhw (optarg);
2937
                break;
2938
            case QEMU_OPTION_h:
2939
                help(0);
2940
                break;
2941
            case QEMU_OPTION_version:
2942
                version();
2943
                exit(0);
2944
                break;
2945
            case QEMU_OPTION_m: {
2946
                uint64_t value;
2947
                char *ptr;
2948

    
2949
                value = strtoul(optarg, &ptr, 10);
2950
                switch (*ptr) {
2951
                case 0: case 'M': case 'm':
2952
                    value <<= 20;
2953
                    break;
2954
                case 'G': case 'g':
2955
                    value <<= 30;
2956
                    break;
2957
                default:
2958
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2959
                    exit(1);
2960
                }
2961

    
2962
                /* On 32-bit hosts, QEMU is limited by virtual address space */
2963
                if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2964
                    fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2965
                    exit(1);
2966
                }
2967
                if (value != (uint64_t)(ram_addr_t)value) {
2968
                    fprintf(stderr, "qemu: ram size too large\n");
2969
                    exit(1);
2970
                }
2971
                ram_size = value;
2972
                break;
2973
            }
2974
            case QEMU_OPTION_mempath:
2975
                mem_path = optarg;
2976
                break;
2977
#ifdef MAP_POPULATE
2978
            case QEMU_OPTION_mem_prealloc:
2979
                mem_prealloc = 1;
2980
                break;
2981
#endif
2982
            case QEMU_OPTION_d:
2983
                set_cpu_log(optarg);
2984
                break;
2985
            case QEMU_OPTION_s:
2986
                gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2987
                break;
2988
            case QEMU_OPTION_gdb:
2989
                gdbstub_dev = optarg;
2990
                break;
2991
            case QEMU_OPTION_L:
2992
                data_dir = optarg;
2993
                break;
2994
            case QEMU_OPTION_bios:
2995
                bios_name = optarg;
2996
                break;
2997
            case QEMU_OPTION_singlestep:
2998
                singlestep = 1;
2999
                break;
3000
            case QEMU_OPTION_S:
3001
                autostart = 0;
3002
                break;
3003
            case QEMU_OPTION_k:
3004
                keyboard_layout = optarg;
3005
                break;
3006
            case QEMU_OPTION_localtime:
3007
                rtc_utc = 0;
3008
                break;
3009
            case QEMU_OPTION_vga:
3010
                select_vgahw (optarg);
3011
                break;
3012
            case QEMU_OPTION_g:
3013
                {
3014
                    const char *p;
3015
                    int w, h, depth;
3016
                    p = optarg;
3017
                    w = strtol(p, (char **)&p, 10);
3018
                    if (w <= 0) {
3019
                    graphic_error:
3020
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
3021
                        exit(1);
3022
                    }
3023
                    if (*p != 'x')
3024
                        goto graphic_error;
3025
                    p++;
3026
                    h = strtol(p, (char **)&p, 10);
3027
                    if (h <= 0)
3028
                        goto graphic_error;
3029
                    if (*p == 'x') {
3030
                        p++;
3031
                        depth = strtol(p, (char **)&p, 10);
3032
                        if (depth != 8 && depth != 15 && depth != 16 &&
3033
                            depth != 24 && depth != 32)
3034
                            goto graphic_error;
3035
                    } else if (*p == '\0') {
3036
                        depth = graphic_depth;
3037
                    } else {
3038
                        goto graphic_error;
3039
                    }
3040

    
3041
                    graphic_width = w;
3042
                    graphic_height = h;
3043
                    graphic_depth = depth;
3044
                }
3045
                break;
3046
            case QEMU_OPTION_echr:
3047
                {
3048
                    char *r;
3049
                    term_escape_char = strtol(optarg, &r, 0);
3050
                    if (r == optarg)
3051
                        printf("Bad argument to echr\n");
3052
                    break;
3053
                }
3054
            case QEMU_OPTION_monitor:
3055
                monitor_parse(optarg, "readline");
3056
                default_monitor = 0;
3057
                break;
3058
            case QEMU_OPTION_qmp:
3059
                monitor_parse(optarg, "control");
3060
                default_monitor = 0;
3061
                break;
3062
            case QEMU_OPTION_mon:
3063
                opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
3064
                if (!opts) {
3065
                    exit(1);
3066
                }
3067
                default_monitor = 0;
3068
                break;
3069
            case QEMU_OPTION_chardev:
3070
                opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
3071
                if (!opts) {
3072
                    exit(1);
3073
                }
3074
                break;
3075
#ifdef CONFIG_LINUX
3076
            case QEMU_OPTION_fsdev:
3077
                opts = qemu_opts_parse(&qemu_fsdev_opts, optarg, 1);
3078
                if (!opts) {
3079
                    fprintf(stderr, "parse error: %s\n", optarg);
3080
                    exit(1);
3081
                }
3082
                break;
3083
            case QEMU_OPTION_virtfs: {
3084
                char *arg_fsdev = NULL;
3085
                char *arg_9p = NULL;
3086
                int len = 0;
3087

    
3088
                opts = qemu_opts_parse(&qemu_virtfs_opts, optarg, 1);
3089
                if (!opts) {
3090
                    fprintf(stderr, "parse error: %s\n", optarg);
3091
                    exit(1);
3092
                }
3093

    
3094
                len = strlen(",id=,path=");
3095
                len += strlen(qemu_opt_get(opts, "fstype"));
3096
                len += strlen(qemu_opt_get(opts, "mount_tag"));
3097
                len += strlen(qemu_opt_get(opts, "path"));
3098
                arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
3099

    
3100
                if (!arg_fsdev) {
3101
                    fprintf(stderr, "No memory to parse -fsdev for %s\n",
3102
                            optarg);
3103
                    exit(1);
3104
                }
3105

    
3106
                sprintf(arg_fsdev, "%s,id=%s,path=%s",
3107
                                qemu_opt_get(opts, "fstype"),
3108
                                qemu_opt_get(opts, "mount_tag"),
3109
                                qemu_opt_get(opts, "path"));
3110

    
3111
                len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
3112
                len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
3113
                arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
3114

    
3115
                if (!arg_9p) {
3116
                    fprintf(stderr, "No memory to parse -device for %s\n",
3117
                            optarg);
3118
                    exit(1);
3119
                }
3120

    
3121
                sprintf(arg_9p, "virtio-9p-pci,fsdev=%s,mount_tag=%s",
3122
                                qemu_opt_get(opts, "mount_tag"),
3123
                                qemu_opt_get(opts, "mount_tag"));
3124

    
3125
                if (!qemu_opts_parse(&qemu_fsdev_opts, arg_fsdev, 1)) {
3126
                    fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
3127
                    exit(1);
3128
                }
3129

    
3130
                if (!qemu_opts_parse(&qemu_device_opts, arg_9p, 1)) {
3131
                    fprintf(stderr, "parse error [device]: %s\n", optarg);
3132
                    exit(1);
3133
                }
3134

    
3135
                qemu_free(arg_fsdev);
3136
                qemu_free(arg_9p);
3137
                break;
3138
            }
3139
#endif
3140
            case QEMU_OPTION_serial:
3141
                add_device_config(DEV_SERIAL, optarg);
3142
                default_serial = 0;
3143
                if (strncmp(optarg, "mon:", 4) == 0) {
3144
                    default_monitor = 0;
3145
                }
3146
                break;
3147
            case QEMU_OPTION_watchdog:
3148
                if (watchdog) {
3149
                    fprintf(stderr,
3150
                            "qemu: only one watchdog option may be given\n");
3151
                    return 1;
3152
                }
3153
                watchdog = optarg;
3154
                break;
3155
            case QEMU_OPTION_watchdog_action:
3156
                if (select_watchdog_action(optarg) == -1) {
3157
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
3158
                    exit(1);
3159
                }
3160
                break;
3161
            case QEMU_OPTION_virtiocon:
3162
                add_device_config(DEV_VIRTCON, optarg);
3163
                default_virtcon = 0;
3164
                if (strncmp(optarg, "mon:", 4) == 0) {
3165
                    default_monitor = 0;
3166
                }
3167
                break;
3168
            case QEMU_OPTION_parallel:
3169
                add_device_config(DEV_PARALLEL, optarg);
3170
                default_parallel = 0;
3171
                if (strncmp(optarg, "mon:", 4) == 0) {
3172
                    default_monitor = 0;
3173
                }
3174
                break;
3175
            case QEMU_OPTION_debugcon:
3176
                add_device_config(DEV_DEBUGCON, optarg);
3177
                break;
3178
            case QEMU_OPTION_loadvm:
3179
                loadvm = optarg;
3180
                break;
3181
            case QEMU_OPTION_full_screen:
3182
                full_screen = 1;
3183
                break;
3184
#ifdef CONFIG_SDL
3185
            case QEMU_OPTION_no_frame:
3186
                no_frame = 1;
3187
                break;
3188
            case QEMU_OPTION_alt_grab:
3189
                alt_grab = 1;
3190
                break;
3191
            case QEMU_OPTION_ctrl_grab:
3192
                ctrl_grab = 1;
3193
                break;
3194
            case QEMU_OPTION_no_quit:
3195
                no_quit = 1;
3196
                break;
3197
            case QEMU_OPTION_sdl:
3198
                display_type = DT_SDL;
3199
                break;
3200
#endif
3201
            case QEMU_OPTION_pidfile:
3202
                pid_file = optarg;
3203
                break;
3204
            case QEMU_OPTION_win2k_hack:
3205
                win2k_install_hack = 1;
3206
                break;
3207
            case QEMU_OPTION_rtc_td_hack:
3208
                rtc_td_hack = 1;
3209
                break;
3210
            case QEMU_OPTION_acpitable:
3211
                do_acpitable_option(optarg);
3212
                break;
3213
            case QEMU_OPTION_smbios:
3214
                do_smbios_option(optarg);
3215
                break;
3216
            case QEMU_OPTION_enable_kvm:
3217
                kvm_allowed = 1;
3218
                break;
3219
            case QEMU_OPTION_usb:
3220
                usb_enabled = 1;
3221
                break;
3222
            case QEMU_OPTION_usbdevice:
3223
                usb_enabled = 1;
3224
                add_device_config(DEV_USB, optarg);
3225
                break;
3226
            case QEMU_OPTION_device:
3227
                if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
3228
                    exit(1);
3229
                }
3230
                break;
3231
            case QEMU_OPTION_smp:
3232
                smp_parse(optarg);
3233
                if (smp_cpus < 1) {
3234
                    fprintf(stderr, "Invalid number of CPUs\n");
3235
                    exit(1);
3236
                }
3237
                if (max_cpus < smp_cpus) {
3238
                    fprintf(stderr, "maxcpus must be equal to or greater than "
3239
                            "smp\n");
3240
                    exit(1);
3241
                }
3242
                if (max_cpus > 255) {
3243
                    fprintf(stderr, "Unsupported number of maxcpus\n");
3244
                    exit(1);
3245
                }
3246
                break;
3247
            case QEMU_OPTION_vnc:
3248
                display_type = DT_VNC;
3249
                vnc_display = optarg;
3250
                break;
3251
            case QEMU_OPTION_no_acpi:
3252
                acpi_enabled = 0;
3253
                break;
3254
            case QEMU_OPTION_no_hpet:
3255
                no_hpet = 1;
3256
                break;
3257
            case QEMU_OPTION_balloon:
3258
                if (balloon_parse(optarg) < 0) {
3259
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3260
                    exit(1);
3261
                }
3262
                break;
3263
            case QEMU_OPTION_no_reboot:
3264
                no_reboot = 1;
3265
                break;
3266
            case QEMU_OPTION_no_shutdown:
3267
                no_shutdown = 1;
3268
                break;
3269
            case QEMU_OPTION_show_cursor:
3270
                cursor_hide = 0;
3271
                break;
3272
            case QEMU_OPTION_uuid:
3273
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3274
                    fprintf(stderr, "Fail to parse UUID string."
3275
                            " Wrong format.\n");
3276
                    exit(1);
3277
                }
3278
                break;
3279
#ifndef _WIN32
3280
            case QEMU_OPTION_daemonize:
3281
                daemonize = 1;
3282
                break;
3283
#endif
3284
            case QEMU_OPTION_option_rom:
3285
                if (nb_option_roms >= MAX_OPTION_ROMS) {
3286
                    fprintf(stderr, "Too many option ROMs\n");
3287
                    exit(1);
3288
                }
3289
                option_rom[nb_option_roms] = optarg;
3290
                nb_option_roms++;
3291
                break;
3292
            case QEMU_OPTION_semihosting:
3293
                semihosting_enabled = 1;
3294
                break;
3295
            case QEMU_OPTION_name:
3296
                qemu_name = qemu_strdup(optarg);
3297
                 {
3298
                     char *p = strchr(qemu_name, ',');
3299
                     if (p != NULL) {
3300
                        *p++ = 0;
3301
                        if (strncmp(p, "process=", 8)) {
3302
                            fprintf(stderr, "Unknown subargument %s to -name", p);
3303
                            exit(1);
3304
                        }
3305
                        p += 8;
3306
                        set_proc_name(p);
3307
                     }        
3308
                 }        
3309
                break;
3310
            case QEMU_OPTION_prom_env:
3311
                if (nb_prom_envs >= MAX_PROM_ENVS) {
3312
                    fprintf(stderr, "Too many prom variables\n");
3313
                    exit(1);
3314
                }
3315
                prom_envs[nb_prom_envs] = optarg;
3316
                nb_prom_envs++;
3317
                break;
3318
            case QEMU_OPTION_old_param:
3319
                old_param = 1;
3320
                break;
3321
            case QEMU_OPTION_clock:
3322
                configure_alarms(optarg);
3323
                break;
3324
            case QEMU_OPTION_startdate:
3325
                configure_rtc_date_offset(optarg, 1);
3326
                break;
3327
            case QEMU_OPTION_rtc:
3328
                opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
3329
                if (!opts) {
3330
                    exit(1);
3331
                }
3332
                configure_rtc(opts);
3333
                break;
3334
            case QEMU_OPTION_tb_size:
3335
                tb_size = strtol(optarg, NULL, 0);
3336
                if (tb_size < 0)
3337
                    tb_size = 0;
3338
                break;
3339
            case QEMU_OPTION_icount:
3340
                icount_option = optarg;
3341
                break;
3342
            case QEMU_OPTION_incoming:
3343
                incoming = optarg;
3344
                break;
3345
            case QEMU_OPTION_nodefaults:
3346
                default_serial = 0;
3347
                default_parallel = 0;
3348
                default_virtcon = 0;
3349
                default_monitor = 0;
3350
                default_vga = 0;
3351
                default_net = 0;
3352
                default_floppy = 0;
3353
                default_cdrom = 0;
3354
                default_sdcard = 0;
3355
                break;
3356
#ifndef _WIN32
3357
            case QEMU_OPTION_chroot:
3358
                chroot_dir = optarg;
3359
                break;
3360
            case QEMU_OPTION_runas:
3361
                run_as = optarg;
3362
                break;
3363
#endif
3364
            case QEMU_OPTION_xen_domid:
3365
                if (!(xen_available())) {
3366
                    printf("Option %s not supported for this target\n", popt->name);
3367
                    exit(1);
3368
                }
3369
                xen_domid = atoi(optarg);
3370
                break;
3371
            case QEMU_OPTION_xen_create:
3372
                if (!(xen_available())) {
3373
                    printf("Option %s not supported for this target\n", popt->name);
3374
                    exit(1);
3375
                }
3376
                xen_mode = XEN_CREATE;
3377
                break;
3378
            case QEMU_OPTION_xen_attach:
3379
                if (!(xen_available())) {
3380
                    printf("Option %s not supported for this target\n", popt->name);
3381
                    exit(1);
3382
                }
3383
                xen_mode = XEN_ATTACH;
3384
                break;
3385
            case QEMU_OPTION_readconfig:
3386
                {
3387
                    int ret = qemu_read_config_file(optarg);
3388
                    if (ret < 0) {
3389
                        fprintf(stderr, "read config %s: %s\n", optarg,
3390
                            strerror(-ret));
3391
                        exit(1);
3392
                    }
3393
                    break;
3394
                }
3395
            case QEMU_OPTION_writeconfig:
3396
                {
3397
                    FILE *fp;
3398
                    if (strcmp(optarg, "-") == 0) {
3399
                        fp = stdout;
3400
                    } else {
3401
                        fp = fopen(optarg, "w");
3402
                        if (fp == NULL) {
3403
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3404
                            exit(1);
3405
                        }
3406
                    }
3407
                    qemu_config_write(fp);
3408
                    fclose(fp);
3409
                    break;
3410
                }
3411
            }
3412
        }
3413
    }
3414
    loc_set_none();
3415

    
3416
    /* If no data_dir is specified then try to find it relative to the
3417
       executable path.  */
3418
    if (!data_dir) {
3419
        data_dir = find_datadir(argv[0]);
3420
    }
3421
    /* If all else fails use the install patch specified when building.  */
3422
    if (!data_dir) {
3423
        data_dir = CONFIG_QEMU_SHAREDIR;
3424
    }
3425

    
3426
    /*
3427
     * Default to max_cpus = smp_cpus, in case the user doesn't
3428
     * specify a max_cpus value.
3429
     */
3430
    if (!max_cpus)
3431
        max_cpus = smp_cpus;
3432

    
3433
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3434
    if (smp_cpus > machine->max_cpus) {
3435
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3436
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3437
                machine->max_cpus);
3438
        exit(1);
3439
    }
3440

    
3441
    qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0);
3442
    qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0);
3443

    
3444
    if (machine->no_serial) {
3445
        default_serial = 0;
3446
    }
3447
    if (machine->no_parallel) {
3448
        default_parallel = 0;
3449
    }
3450
    if (!machine->use_virtcon) {
3451
        default_virtcon = 0;
3452
    }
3453
    if (machine->no_vga) {
3454
        default_vga = 0;
3455
    }
3456
    if (machine->no_floppy) {
3457
        default_floppy = 0;
3458
    }
3459
    if (machine->no_cdrom) {
3460
        default_cdrom = 0;
3461
    }
3462
    if (machine->no_sdcard) {
3463
        default_sdcard = 0;
3464
    }
3465

    
3466
    if (display_type == DT_NOGRAPHIC) {
3467
        if (default_parallel)
3468
            add_device_config(DEV_PARALLEL, "null");
3469
        if (default_serial && default_monitor) {
3470
            add_device_config(DEV_SERIAL, "mon:stdio");
3471
        } else if (default_virtcon && default_monitor) {
3472
            add_device_config(DEV_VIRTCON, "mon:stdio");
3473
        } else {
3474
            if (default_serial)
3475
                add_device_config(DEV_SERIAL, "stdio");
3476
            if (default_virtcon)
3477
                add_device_config(DEV_VIRTCON, "stdio");
3478
            if (default_monitor)
3479
                monitor_parse("stdio", "readline");
3480
        }
3481
    } else {
3482
        if (default_serial)
3483
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
3484
        if (default_parallel)
3485
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3486
        if (default_monitor)
3487
            monitor_parse("vc:80Cx24C", "readline");
3488
        if (default_virtcon)
3489
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3490
    }
3491
    if (default_vga)
3492
        vga_interface_type = VGA_CIRRUS;
3493

    
3494
    socket_init();
3495

    
3496
    if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
3497
        exit(1);
3498
#ifdef CONFIG_LINUX
3499
    if (qemu_opts_foreach(&qemu_fsdev_opts, fsdev_init_func, NULL, 1) != 0) {
3500
        exit(1);
3501
    }
3502
#endif
3503

    
3504
#ifndef _WIN32
3505
    if (daemonize) {
3506
        pid_t pid;
3507

    
3508
        if (pipe(fds) == -1)
3509
            exit(1);
3510

    
3511
        pid = fork();
3512
        if (pid > 0) {
3513
            uint8_t status;
3514
            ssize_t len;
3515

    
3516
            close(fds[1]);
3517

    
3518
        again:
3519
            len = read(fds[0], &status, 1);
3520
            if (len == -1 && (errno == EINTR))
3521
                goto again;
3522

    
3523
            if (len != 1)
3524
                exit(1);
3525
            else if (status == 1) {
3526
                fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno));
3527
                exit(1);
3528
            } else
3529
                exit(0);
3530
        } else if (pid < 0)
3531
            exit(1);
3532

    
3533
        close(fds[0]);
3534
        qemu_set_cloexec(fds[1]);
3535

    
3536
        setsid();
3537

    
3538
        pid = fork();
3539
        if (pid > 0)
3540
            exit(0);
3541
        else if (pid < 0)
3542
            exit(1);
3543

    
3544
        umask(027);
3545

    
3546
        signal(SIGTSTP, SIG_IGN);
3547
        signal(SIGTTOU, SIG_IGN);
3548
        signal(SIGTTIN, SIG_IGN);
3549
    }
3550
#endif
3551

    
3552
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3553
#ifndef _WIN32
3554
        if (daemonize) {
3555
            uint8_t status = 1;
3556
            if (write(fds[1], &status, 1) != 1) {
3557
                perror("daemonize. Writing to pipe\n");
3558
            }
3559
        } else
3560
#endif
3561
            fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
3562
        exit(1);
3563
    }
3564

    
3565
    if (kvm_allowed) {
3566
        int ret = kvm_init(smp_cpus);
3567
        if (ret < 0) {
3568
            if (!kvm_available()) {
3569
                printf("KVM not supported for this target\n");
3570
            } else {
3571
                fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
3572
            }
3573
            exit(1);
3574
        }
3575
    }
3576

    
3577
    if (qemu_init_main_loop()) {
3578
        fprintf(stderr, "qemu_init_main_loop failed\n");
3579
        exit(1);
3580
    }
3581
    linux_boot = (kernel_filename != NULL);
3582

    
3583
    if (!linux_boot && *kernel_cmdline != '\0') {
3584
        fprintf(stderr, "-append only allowed with -kernel option\n");
3585
        exit(1);
3586
    }
3587

    
3588
    if (!linux_boot && initrd_filename != NULL) {
3589
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
3590
        exit(1);
3591
    }
3592

    
3593
#ifndef _WIN32
3594
    /* Win32 doesn't support line-buffering and requires size >= 2 */
3595
    setvbuf(stdout, NULL, _IOLBF, 0);
3596
#endif
3597

    
3598
    if (init_timer_alarm() < 0) {
3599
        fprintf(stderr, "could not initialize alarm timer\n");
3600
        exit(1);
3601
    }
3602
    configure_icount(icount_option);
3603

    
3604
    if (net_init_clients() < 0) {
3605
        exit(1);
3606
    }
3607

    
3608
    /* init the bluetooth world */
3609
    if (foreach_device_config(DEV_BT, bt_parse))
3610
        exit(1);
3611

    
3612
    /* init the memory */
3613
    if (ram_size == 0)
3614
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3615

    
3616
    /* init the dynamic translator */
3617
    cpu_exec_init_all(tb_size * 1024 * 1024);
3618

    
3619
    bdrv_init_with_whitelist();
3620

    
3621
    blk_mig_init();
3622

    
3623
    if (default_cdrom) {
3624
        /* we always create the cdrom drive, even if no disk is there */
3625
        drive_add(NULL, CDROM_ALIAS);
3626
    }
3627

    
3628
    if (default_floppy) {
3629
        /* we always create at least one floppy */
3630
        drive_add(NULL, FD_ALIAS, 0);
3631
    }
3632

    
3633
    if (default_sdcard) {
3634
        /* we always create one sd slot, even if no card is in it */
3635
        drive_add(NULL, SD_ALIAS);
3636
    }
3637

    
3638
    /* open the virtual block devices */
3639
    if (snapshot)
3640
        qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
3641
    if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0)
3642
        exit(1);
3643

    
3644
    register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL, 
3645
                         ram_load, NULL);
3646

    
3647
    if (nb_numa_nodes > 0) {
3648
        int i;
3649

    
3650
        if (nb_numa_nodes > smp_cpus) {
3651
            nb_numa_nodes = smp_cpus;
3652
        }
3653

    
3654
        /* If no memory size if given for any node, assume the default case
3655
         * and distribute the available memory equally across all nodes
3656
         */
3657
        for (i = 0; i < nb_numa_nodes; i++) {
3658
            if (node_mem[i] != 0)
3659
                break;
3660
        }
3661
        if (i == nb_numa_nodes) {
3662
            uint64_t usedmem = 0;
3663

    
3664
            /* On Linux, the each node's border has to be 8MB aligned,
3665
             * the final node gets the rest.
3666
             */
3667
            for (i = 0; i < nb_numa_nodes - 1; i++) {
3668
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3669
                usedmem += node_mem[i];
3670
            }
3671
            node_mem[i] = ram_size - usedmem;
3672
        }
3673

    
3674
        for (i = 0; i < nb_numa_nodes; i++) {
3675
            if (node_cpumask[i] != 0)
3676
                break;
3677
        }
3678
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
3679
         * must cope with this anyway, because there are BIOSes out there in
3680
         * real machines which also use this scheme.
3681
         */
3682
        if (i == nb_numa_nodes) {
3683
            for (i = 0; i < smp_cpus; i++) {
3684
                node_cpumask[i % nb_numa_nodes] |= 1 << i;
3685
            }
3686
        }
3687
    }
3688

    
3689
    if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) {
3690
        exit(1);
3691
    }
3692

    
3693
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3694
        exit(1);
3695
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3696
        exit(1);
3697
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3698
        exit(1);
3699
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3700
        exit(1);
3701

    
3702
    module_call_init(MODULE_INIT_DEVICE);
3703

    
3704
    if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0)
3705
        exit(0);
3706

    
3707
    if (watchdog) {
3708
        i = select_watchdog(watchdog);
3709
        if (i > 0)
3710
            exit (i == 1 ? 1 : 0);
3711
    }
3712

    
3713
    if (machine->compat_props) {
3714
        qdev_prop_register_global_list(machine->compat_props);
3715
    }
3716
    qemu_add_globals();
3717

    
3718
    machine->init(ram_size, boot_devices,
3719
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3720

    
3721
    cpu_synchronize_all_post_init();
3722

    
3723
#ifndef _WIN32
3724
    /* must be after terminal init, SDL library changes signal handlers */
3725
    sighandler_setup();
3726
#endif
3727

    
3728
    set_numa_modes();
3729

    
3730
    current_machine = machine;
3731

    
3732
    /* init USB devices */
3733
    if (usb_enabled) {
3734
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
3735
            exit(1);
3736
    }
3737

    
3738
    /* init generic devices */
3739
    if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
3740
        exit(1);
3741

    
3742
    net_check_clients();
3743

    
3744
    /* just use the first displaystate for the moment */
3745
    ds = get_displaystate();
3746

    
3747
    if (display_type == DT_DEFAULT) {
3748
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3749
        display_type = DT_SDL;
3750
#else
3751
        display_type = DT_VNC;
3752
        vnc_display = "localhost:0,to=99";
3753
        show_vnc_port = 1;
3754
#endif
3755
    }
3756
        
3757

    
3758
    switch (display_type) {
3759
    case DT_NOGRAPHIC:
3760
        break;
3761
#if defined(CONFIG_CURSES)
3762
    case DT_CURSES:
3763
        curses_display_init(ds, full_screen);
3764
        break;
3765
#endif
3766
#if defined(CONFIG_SDL)
3767
    case DT_SDL:
3768
        sdl_display_init(ds, full_screen, no_frame);
3769
        break;
3770
#elif defined(CONFIG_COCOA)
3771
    case DT_SDL:
3772
        cocoa_display_init(ds, full_screen);
3773
        break;
3774
#endif
3775
    case DT_VNC:
3776
        vnc_display_init(ds);
3777
        if (vnc_display_open(ds, vnc_display) < 0)
3778
            exit(1);
3779

    
3780
        if (show_vnc_port) {
3781
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3782
        }
3783
        break;
3784
    default:
3785
        break;
3786
    }
3787
    dpy_resize(ds);
3788

    
3789
    dcl = ds->listeners;
3790
    while (dcl != NULL) {
3791
        if (dcl->dpy_refresh != NULL) {
3792
            ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
3793
            qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
3794
        }
3795
        dcl = dcl->next;
3796
    }
3797

    
3798
    if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
3799
        nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
3800
        qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
3801
    }
3802

    
3803
    text_consoles_set_display(ds);
3804

    
3805
    if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3806
        fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3807
                gdbstub_dev);
3808
        exit(1);
3809
    }
3810

    
3811
    qdev_machine_creation_done();
3812

    
3813
    if (rom_load_all() != 0) {
3814
        fprintf(stderr, "rom loading failed\n");
3815
        exit(1);
3816
    }
3817

    
3818
    qemu_system_reset();
3819
    if (loadvm) {
3820
        if (load_vmstate(loadvm) < 0) {
3821
            autostart = 0;
3822
        }
3823
    }
3824

    
3825
    if (incoming) {
3826
        qemu_start_incoming_migration(incoming);
3827
    } else if (autostart) {
3828
        vm_start();
3829
    }
3830

    
3831
#ifndef _WIN32
3832
    if (daemonize) {
3833
        uint8_t status = 0;
3834
        ssize_t len;
3835

    
3836
    again1:
3837
        len = write(fds[1], &status, 1);
3838
        if (len == -1 && (errno == EINTR))
3839
            goto again1;
3840

    
3841
        if (len != 1)
3842
            exit(1);
3843

    
3844
        if (chdir("/")) {
3845
            perror("not able to chdir to /");
3846
            exit(1);
3847
        }
3848
        TFR(fd = qemu_open("/dev/null", O_RDWR));
3849
        if (fd == -1)
3850
            exit(1);
3851
    }
3852

    
3853
    if (run_as) {
3854
        pwd = getpwnam(run_as);
3855
        if (!pwd) {
3856
            fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
3857
            exit(1);
3858
        }
3859
    }
3860

    
3861
    if (chroot_dir) {
3862
        if (chroot(chroot_dir) < 0) {
3863
            fprintf(stderr, "chroot failed\n");
3864
            exit(1);
3865
        }
3866
        if (chdir("/")) {
3867
            perror("not able to chdir to /");
3868
            exit(1);
3869
        }
3870
    }
3871

    
3872
    if (run_as) {
3873
        if (setgid(pwd->pw_gid) < 0) {
3874
            fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
3875
            exit(1);
3876
        }
3877
        if (setuid(pwd->pw_uid) < 0) {
3878
            fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
3879
            exit(1);
3880
        }
3881
        if (setuid(0) != -1) {
3882
            fprintf(stderr, "Dropping privileges failed\n");
3883
            exit(1);
3884
        }
3885
    }
3886

    
3887
    if (daemonize) {
3888
        dup2(fd, 0);
3889
        dup2(fd, 1);
3890
        dup2(fd, 2);
3891

    
3892
        close(fd);
3893
    }
3894
#endif
3895

    
3896
    main_loop();
3897
    quit_timers();
3898
    net_cleanup();
3899

    
3900
    return 0;
3901
}