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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
/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
176
   to store the VM snapshots */
177
struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives);
178
struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts);
179
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
180
DisplayType display_type = DT_DEFAULT;
181
const char* keyboard_layout = NULL;
182
ram_addr_t ram_size;
183
const char *mem_path = NULL;
184
#ifdef MAP_POPULATE
185
int mem_prealloc = 0; /* force preallocation of physical target memory */
186
#endif
187
int nb_nics;
188
NICInfo nd_table[MAX_NICS];
189
int vm_running;
190
int autostart;
191
static int rtc_utc = 1;
192
static int rtc_date_offset = -1; /* -1 means no change */
193
QEMUClock *rtc_clock;
194
int vga_interface_type = VGA_NONE;
195
static int full_screen = 0;
196
#ifdef CONFIG_SDL
197
static int no_frame = 0;
198
#endif
199
int no_quit = 0;
200
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
201
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
202
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
203
int win2k_install_hack = 0;
204
int rtc_td_hack = 0;
205
int usb_enabled = 0;
206
int singlestep = 0;
207
int smp_cpus = 1;
208
int max_cpus = 0;
209
int smp_cores = 1;
210
int smp_threads = 1;
211
const char *vnc_display;
212
int acpi_enabled = 1;
213
int no_hpet = 0;
214
int fd_bootchk = 1;
215
int no_reboot = 0;
216
int no_shutdown = 0;
217
int cursor_hide = 1;
218
int graphic_rotate = 0;
219
uint8_t irq0override = 1;
220
#ifndef _WIN32
221
int daemonize = 0;
222
#endif
223
const char *watchdog;
224
const char *option_rom[MAX_OPTION_ROMS];
225
int nb_option_roms;
226
int semihosting_enabled = 0;
227
int old_param = 0;
228
const char *qemu_name;
229
int alt_grab = 0;
230
int ctrl_grab = 0;
231
unsigned int nb_prom_envs = 0;
232
const char *prom_envs[MAX_PROM_ENVS];
233
int boot_menu;
234

    
235
int nb_numa_nodes;
236
uint64_t node_mem[MAX_NODES];
237
uint64_t node_cpumask[MAX_NODES];
238

    
239
static QEMUTimer *nographic_timer;
240

    
241
uint8_t qemu_uuid[16];
242

    
243
static QEMUBootSetHandler *boot_set_handler;
244
static void *boot_set_opaque;
245

    
246
int kvm_allowed = 0;
247
uint32_t xen_domid;
248
enum xen_mode xen_mode = XEN_EMULATE;
249

    
250
static int default_serial = 1;
251
static int default_parallel = 1;
252
static int default_virtcon = 1;
253
static int default_monitor = 1;
254
static int default_vga = 1;
255
static int default_floppy = 1;
256
static int default_cdrom = 1;
257
static int default_sdcard = 1;
258

    
259
static struct {
260
    const char *driver;
261
    int *flag;
262
} default_list[] = {
263
    { .driver = "isa-serial",           .flag = &default_serial    },
264
    { .driver = "isa-parallel",         .flag = &default_parallel  },
265
    { .driver = "isa-fdc",              .flag = &default_floppy    },
266
    { .driver = "ide-drive",            .flag = &default_cdrom     },
267
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
268
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
269
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
270
    { .driver = "VGA",                  .flag = &default_vga       },
271
    { .driver = "cirrus-vga",           .flag = &default_vga       },
272
    { .driver = "vmware-svga",          .flag = &default_vga       },
273
};
274

    
275
static int default_driver_check(QemuOpts *opts, void *opaque)
276
{
277
    const char *driver = qemu_opt_get(opts, "driver");
278
    int i;
279

    
280
    if (!driver)
281
        return 0;
282
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
283
        if (strcmp(default_list[i].driver, driver) != 0)
284
            continue;
285
        *(default_list[i].flag) = 0;
286
    }
287
    return 0;
288
}
289

    
290
/***********************************************************/
291

    
292
static void set_proc_name(const char *s)
293
{
294
#if defined(__linux__) && defined(PR_SET_NAME)
295
    char name[16];
296
    if (!s)
297
        return;
298
    name[sizeof(name) - 1] = 0;
299
    strncpy(name, s, sizeof(name));
300
    /* Could rewrite argv[0] too, but that's a bit more complicated.
301
       This simple way is enough for `top'. */
302
    prctl(PR_SET_NAME, name);
303
#endif            
304
}
305
 
306
/***********************************************************/
307
/* real time host monotonic timer */
308

    
309
/* compute with 96 bit intermediate result: (a*b)/c */
310
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
311
{
312
    union {
313
        uint64_t ll;
314
        struct {
315
#ifdef HOST_WORDS_BIGENDIAN
316
            uint32_t high, low;
317
#else
318
            uint32_t low, high;
319
#endif
320
        } l;
321
    } u, res;
322
    uint64_t rl, rh;
323

    
324
    u.ll = a;
325
    rl = (uint64_t)u.l.low * (uint64_t)b;
326
    rh = (uint64_t)u.l.high * (uint64_t)b;
327
    rh += (rl >> 32);
328
    res.l.high = rh / c;
329
    res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
330
    return res.ll;
331
}
332

    
333
/***********************************************************/
334
/* host time/date access */
335
void qemu_get_timedate(struct tm *tm, int offset)
336
{
337
    time_t ti;
338
    struct tm *ret;
339

    
340
    time(&ti);
341
    ti += offset;
342
    if (rtc_date_offset == -1) {
343
        if (rtc_utc)
344
            ret = gmtime(&ti);
345
        else
346
            ret = localtime(&ti);
347
    } else {
348
        ti -= rtc_date_offset;
349
        ret = gmtime(&ti);
350
    }
351

    
352
    memcpy(tm, ret, sizeof(struct tm));
353
}
354

    
355
int qemu_timedate_diff(struct tm *tm)
356
{
357
    time_t seconds;
358

    
359
    if (rtc_date_offset == -1)
360
        if (rtc_utc)
361
            seconds = mktimegm(tm);
362
        else
363
            seconds = mktime(tm);
364
    else
365
        seconds = mktimegm(tm) + rtc_date_offset;
366

    
367
    return seconds - time(NULL);
368
}
369

    
370
void rtc_change_mon_event(struct tm *tm)
371
{
372
    QObject *data;
373

    
374
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
375
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
376
    qobject_decref(data);
377
}
378

    
379
static void configure_rtc_date_offset(const char *startdate, int legacy)
380
{
381
    time_t rtc_start_date;
382
    struct tm tm;
383

    
384
    if (!strcmp(startdate, "now") && legacy) {
385
        rtc_date_offset = -1;
386
    } else {
387
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
388
                   &tm.tm_year,
389
                   &tm.tm_mon,
390
                   &tm.tm_mday,
391
                   &tm.tm_hour,
392
                   &tm.tm_min,
393
                   &tm.tm_sec) == 6) {
394
            /* OK */
395
        } else if (sscanf(startdate, "%d-%d-%d",
396
                          &tm.tm_year,
397
                          &tm.tm_mon,
398
                          &tm.tm_mday) == 3) {
399
            tm.tm_hour = 0;
400
            tm.tm_min = 0;
401
            tm.tm_sec = 0;
402
        } else {
403
            goto date_fail;
404
        }
405
        tm.tm_year -= 1900;
406
        tm.tm_mon--;
407
        rtc_start_date = mktimegm(&tm);
408
        if (rtc_start_date == -1) {
409
        date_fail:
410
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
411
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
412
            exit(1);
413
        }
414
        rtc_date_offset = time(NULL) - rtc_start_date;
415
    }
416
}
417

    
418
static void configure_rtc(QemuOpts *opts)
419
{
420
    const char *value;
421

    
422
    value = qemu_opt_get(opts, "base");
423
    if (value) {
424
        if (!strcmp(value, "utc")) {
425
            rtc_utc = 1;
426
        } else if (!strcmp(value, "localtime")) {
427
            rtc_utc = 0;
428
        } else {
429
            configure_rtc_date_offset(value, 0);
430
        }
431
    }
432
    value = qemu_opt_get(opts, "clock");
433
    if (value) {
434
        if (!strcmp(value, "host")) {
435
            rtc_clock = host_clock;
436
        } else if (!strcmp(value, "vm")) {
437
            rtc_clock = vm_clock;
438
        } else {
439
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
440
            exit(1);
441
        }
442
    }
443
    value = qemu_opt_get(opts, "driftfix");
444
    if (value) {
445
        if (!strcmp(value, "slew")) {
446
            rtc_td_hack = 1;
447
        } else if (!strcmp(value, "none")) {
448
            rtc_td_hack = 0;
449
        } else {
450
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
451
            exit(1);
452
        }
453
    }
454
}
455

    
456
/***********************************************************/
457
/* Bluetooth support */
458
static int nb_hcis;
459
static int cur_hci;
460
static struct HCIInfo *hci_table[MAX_NICS];
461

    
462
static struct bt_vlan_s {
463
    struct bt_scatternet_s net;
464
    int id;
465
    struct bt_vlan_s *next;
466
} *first_bt_vlan;
467

    
468
/* find or alloc a new bluetooth "VLAN" */
469
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
470
{
471
    struct bt_vlan_s **pvlan, *vlan;
472
    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
473
        if (vlan->id == id)
474
            return &vlan->net;
475
    }
476
    vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
477
    vlan->id = id;
478
    pvlan = &first_bt_vlan;
479
    while (*pvlan != NULL)
480
        pvlan = &(*pvlan)->next;
481
    *pvlan = vlan;
482
    return &vlan->net;
483
}
484

    
485
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
486
{
487
}
488

    
489
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
490
{
491
    return -ENOTSUP;
492
}
493

    
494
static struct HCIInfo null_hci = {
495
    .cmd_send = null_hci_send,
496
    .sco_send = null_hci_send,
497
    .acl_send = null_hci_send,
498
    .bdaddr_set = null_hci_addr_set,
499
};
500

    
501
struct HCIInfo *qemu_next_hci(void)
502
{
503
    if (cur_hci == nb_hcis)
504
        return &null_hci;
505

    
506
    return hci_table[cur_hci++];
507
}
508

    
509
static struct HCIInfo *hci_init(const char *str)
510
{
511
    char *endp;
512
    struct bt_scatternet_s *vlan = 0;
513

    
514
    if (!strcmp(str, "null"))
515
        /* null */
516
        return &null_hci;
517
    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
518
        /* host[:hciN] */
519
        return bt_host_hci(str[4] ? str + 5 : "hci0");
520
    else if (!strncmp(str, "hci", 3)) {
521
        /* hci[,vlan=n] */
522
        if (str[3]) {
523
            if (!strncmp(str + 3, ",vlan=", 6)) {
524
                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
525
                if (*endp)
526
                    vlan = 0;
527
            }
528
        } else
529
            vlan = qemu_find_bt_vlan(0);
530
        if (vlan)
531
           return bt_new_hci(vlan);
532
    }
533

    
534
    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
535

    
536
    return 0;
537
}
538

    
539
static int bt_hci_parse(const char *str)
540
{
541
    struct HCIInfo *hci;
542
    bdaddr_t bdaddr;
543

    
544
    if (nb_hcis >= MAX_NICS) {
545
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
546
        return -1;
547
    }
548

    
549
    hci = hci_init(str);
550
    if (!hci)
551
        return -1;
552

    
553
    bdaddr.b[0] = 0x52;
554
    bdaddr.b[1] = 0x54;
555
    bdaddr.b[2] = 0x00;
556
    bdaddr.b[3] = 0x12;
557
    bdaddr.b[4] = 0x34;
558
    bdaddr.b[5] = 0x56 + nb_hcis;
559
    hci->bdaddr_set(hci, bdaddr.b);
560

    
561
    hci_table[nb_hcis++] = hci;
562

    
563
    return 0;
564
}
565

    
566
static void bt_vhci_add(int vlan_id)
567
{
568
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
569

    
570
    if (!vlan->slave)
571
        fprintf(stderr, "qemu: warning: adding a VHCI to "
572
                        "an empty scatternet %i\n", vlan_id);
573

    
574
    bt_vhci_init(bt_new_hci(vlan));
575
}
576

    
577
static struct bt_device_s *bt_device_add(const char *opt)
578
{
579
    struct bt_scatternet_s *vlan;
580
    int vlan_id = 0;
581
    char *endp = strstr(opt, ",vlan=");
582
    int len = (endp ? endp - opt : strlen(opt)) + 1;
583
    char devname[10];
584

    
585
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
586

    
587
    if (endp) {
588
        vlan_id = strtol(endp + 6, &endp, 0);
589
        if (*endp) {
590
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
591
            return 0;
592
        }
593
    }
594

    
595
    vlan = qemu_find_bt_vlan(vlan_id);
596

    
597
    if (!vlan->slave)
598
        fprintf(stderr, "qemu: warning: adding a slave device to "
599
                        "an empty scatternet %i\n", vlan_id);
600

    
601
    if (!strcmp(devname, "keyboard"))
602
        return bt_keyboard_init(vlan);
603

    
604
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
605
    return 0;
606
}
607

    
608
static int bt_parse(const char *opt)
609
{
610
    const char *endp, *p;
611
    int vlan;
612

    
613
    if (strstart(opt, "hci", &endp)) {
614
        if (!*endp || *endp == ',') {
615
            if (*endp)
616
                if (!strstart(endp, ",vlan=", 0))
617
                    opt = endp + 1;
618

    
619
            return bt_hci_parse(opt);
620
       }
621
    } else if (strstart(opt, "vhci", &endp)) {
622
        if (!*endp || *endp == ',') {
623
            if (*endp) {
624
                if (strstart(endp, ",vlan=", &p)) {
625
                    vlan = strtol(p, (char **) &endp, 0);
626
                    if (*endp) {
627
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
628
                        return 1;
629
                    }
630
                } else {
631
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
632
                    return 1;
633
                }
634
            } else
635
                vlan = 0;
636

    
637
            bt_vhci_add(vlan);
638
            return 0;
639
        }
640
    } else if (strstart(opt, "device:", &endp))
641
        return !bt_device_add(endp);
642

    
643
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
644
    return 1;
645
}
646

    
647
/***********************************************************/
648
/* QEMU Block devices */
649

    
650
#define HD_ALIAS "index=%d,media=disk"
651
#define CDROM_ALIAS "index=2,media=cdrom"
652
#define FD_ALIAS "index=%d,if=floppy"
653
#define PFLASH_ALIAS "if=pflash"
654
#define MTD_ALIAS "if=mtd"
655
#define SD_ALIAS "index=0,if=sd"
656

    
657
QemuOpts *drive_add(const char *file, const char *fmt, ...)
658
{
659
    va_list ap;
660
    char optstr[1024];
661
    QemuOpts *opts;
662

    
663
    va_start(ap, fmt);
664
    vsnprintf(optstr, sizeof(optstr), fmt, ap);
665
    va_end(ap);
666

    
667
    opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
668
    if (!opts) {
669
        return NULL;
670
    }
671
    if (file)
672
        qemu_opt_set(opts, "file", file);
673
    return opts;
674
}
675

    
676
DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit)
677
{
678
    DriveInfo *dinfo;
679

    
680
    /* seek interface, bus and unit */
681

    
682
    QTAILQ_FOREACH(dinfo, &drives, next) {
683
        if (dinfo->type == type &&
684
            dinfo->bus == bus &&
685
            dinfo->unit == unit)
686
            return dinfo;
687
    }
688

    
689
    return NULL;
690
}
691

    
692
DriveInfo *drive_get_by_id(const char *id)
693
{
694
    DriveInfo *dinfo;
695

    
696
    QTAILQ_FOREACH(dinfo, &drives, next) {
697
        if (strcmp(id, dinfo->id))
698
            continue;
699
        return dinfo;
700
    }
701
    return NULL;
702
}
703

    
704
int drive_get_max_bus(BlockInterfaceType type)
705
{
706
    int max_bus;
707
    DriveInfo *dinfo;
708

    
709
    max_bus = -1;
710
    QTAILQ_FOREACH(dinfo, &drives, next) {
711
        if(dinfo->type == type &&
712
           dinfo->bus > max_bus)
713
            max_bus = dinfo->bus;
714
    }
715
    return max_bus;
716
}
717

    
718
const char *drive_get_serial(BlockDriverState *bdrv)
719
{
720
    DriveInfo *dinfo;
721

    
722
    QTAILQ_FOREACH(dinfo, &drives, next) {
723
        if (dinfo->bdrv == bdrv)
724
            return dinfo->serial;
725
    }
726

    
727
    return "\0";
728
}
729

    
730
BlockInterfaceErrorAction drive_get_on_error(
731
    BlockDriverState *bdrv, int is_read)
732
{
733
    DriveInfo *dinfo;
734

    
735
    QTAILQ_FOREACH(dinfo, &drives, next) {
736
        if (dinfo->bdrv == bdrv)
737
            return is_read ? dinfo->on_read_error : dinfo->on_write_error;
738
    }
739

    
740
    return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC;
741
}
742

    
743
static void bdrv_format_print(void *opaque, const char *name)
744
{
745
    fprintf(stderr, " %s", name);
746
}
747

    
748
void drive_uninit(DriveInfo *dinfo)
749
{
750
    qemu_opts_del(dinfo->opts);
751
    bdrv_delete(dinfo->bdrv);
752
    QTAILQ_REMOVE(&drives, dinfo, next);
753
    qemu_free(dinfo);
754
}
755

    
756
static int parse_block_error_action(const char *buf, int is_read)
757
{
758
    if (!strcmp(buf, "ignore")) {
759
        return BLOCK_ERR_IGNORE;
760
    } else if (!is_read && !strcmp(buf, "enospc")) {
761
        return BLOCK_ERR_STOP_ENOSPC;
762
    } else if (!strcmp(buf, "stop")) {
763
        return BLOCK_ERR_STOP_ANY;
764
    } else if (!strcmp(buf, "report")) {
765
        return BLOCK_ERR_REPORT;
766
    } else {
767
        fprintf(stderr, "qemu: '%s' invalid %s error action\n",
768
            buf, is_read ? "read" : "write");
769
        return -1;
770
    }
771
}
772

    
773
DriveInfo *drive_init(QemuOpts *opts, void *opaque,
774
                      int *fatal_error)
775
{
776
    const char *buf;
777
    const char *file = NULL;
778
    char devname[128];
779
    const char *serial;
780
    const char *mediastr = "";
781
    BlockInterfaceType type;
782
    enum { MEDIA_DISK, MEDIA_CDROM } media;
783
    int bus_id, unit_id;
784
    int cyls, heads, secs, translation;
785
    BlockDriver *drv = NULL;
786
    QEMUMachine *machine = opaque;
787
    int max_devs;
788
    int index;
789
    int ro = 0;
790
    int bdrv_flags = 0;
791
    int on_read_error, on_write_error;
792
    const char *devaddr;
793
    DriveInfo *dinfo;
794
    int snapshot = 0;
795

    
796
    *fatal_error = 1;
797

    
798
    translation = BIOS_ATA_TRANSLATION_AUTO;
799

    
800
    if (machine && machine->use_scsi) {
801
        type = IF_SCSI;
802
        max_devs = MAX_SCSI_DEVS;
803
        pstrcpy(devname, sizeof(devname), "scsi");
804
    } else {
805
        type = IF_IDE;
806
        max_devs = MAX_IDE_DEVS;
807
        pstrcpy(devname, sizeof(devname), "ide");
808
    }
809
    media = MEDIA_DISK;
810

    
811
    /* extract parameters */
812
    bus_id  = qemu_opt_get_number(opts, "bus", 0);
813
    unit_id = qemu_opt_get_number(opts, "unit", -1);
814
    index   = qemu_opt_get_number(opts, "index", -1);
815

    
816
    cyls  = qemu_opt_get_number(opts, "cyls", 0);
817
    heads = qemu_opt_get_number(opts, "heads", 0);
818
    secs  = qemu_opt_get_number(opts, "secs", 0);
819

    
820
    snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
821
    ro = qemu_opt_get_bool(opts, "readonly", 0);
822

    
823
    file = qemu_opt_get(opts, "file");
824
    serial = qemu_opt_get(opts, "serial");
825

    
826
    if ((buf = qemu_opt_get(opts, "if")) != NULL) {
827
        pstrcpy(devname, sizeof(devname), buf);
828
        if (!strcmp(buf, "ide")) {
829
            type = IF_IDE;
830
            max_devs = MAX_IDE_DEVS;
831
        } else if (!strcmp(buf, "scsi")) {
832
            type = IF_SCSI;
833
            max_devs = MAX_SCSI_DEVS;
834
        } else if (!strcmp(buf, "floppy")) {
835
            type = IF_FLOPPY;
836
            max_devs = 0;
837
        } else if (!strcmp(buf, "pflash")) {
838
            type = IF_PFLASH;
839
            max_devs = 0;
840
        } else if (!strcmp(buf, "mtd")) {
841
            type = IF_MTD;
842
            max_devs = 0;
843
        } else if (!strcmp(buf, "sd")) {
844
            type = IF_SD;
845
            max_devs = 0;
846
        } else if (!strcmp(buf, "virtio")) {
847
            type = IF_VIRTIO;
848
            max_devs = 0;
849
        } else if (!strcmp(buf, "xen")) {
850
            type = IF_XEN;
851
            max_devs = 0;
852
        } else if (!strcmp(buf, "none")) {
853
            type = IF_NONE;
854
            max_devs = 0;
855
        } else {
856
            fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
857
            return NULL;
858
        }
859
    }
860

    
861
    if (cyls || heads || secs) {
862
        if (cyls < 1 || (type == IF_IDE && cyls > 16383)) {
863
            fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
864
            return NULL;
865
        }
866
        if (heads < 1 || (type == IF_IDE && heads > 16)) {
867
            fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
868
            return NULL;
869
        }
870
        if (secs < 1 || (type == IF_IDE && secs > 63)) {
871
            fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
872
            return NULL;
873
        }
874
    }
875

    
876
    if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
877
        if (!cyls) {
878
            fprintf(stderr,
879
                    "qemu: '%s' trans must be used with cyls,heads and secs\n",
880
                    buf);
881
            return NULL;
882
        }
883
        if (!strcmp(buf, "none"))
884
            translation = BIOS_ATA_TRANSLATION_NONE;
885
        else if (!strcmp(buf, "lba"))
886
            translation = BIOS_ATA_TRANSLATION_LBA;
887
        else if (!strcmp(buf, "auto"))
888
            translation = BIOS_ATA_TRANSLATION_AUTO;
889
        else {
890
            fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
891
            return NULL;
892
        }
893
    }
894

    
895
    if ((buf = qemu_opt_get(opts, "media")) != NULL) {
896
        if (!strcmp(buf, "disk")) {
897
            media = MEDIA_DISK;
898
        } else if (!strcmp(buf, "cdrom")) {
899
            if (cyls || secs || heads) {
900
                fprintf(stderr,
901
                        "qemu: '%s' invalid physical CHS format\n", buf);
902
                return NULL;
903
            }
904
            media = MEDIA_CDROM;
905
        } else {
906
            fprintf(stderr, "qemu: '%s' invalid media\n", buf);
907
            return NULL;
908
        }
909
    }
910

    
911
    if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
912
        if (!strcmp(buf, "off") || !strcmp(buf, "none")) {
913
            bdrv_flags |= BDRV_O_NOCACHE;
914
        } else if (!strcmp(buf, "writeback")) {
915
            bdrv_flags |= BDRV_O_CACHE_WB;
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) {
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) {
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 write-back with snapshot */
1106
        bdrv_flags &= ~BDRV_O_CACHE_MASK;
1107
        bdrv_flags |= (BDRV_O_SNAPSHOT|BDRV_O_CACHE_WB);
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) {
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, int is_hotplug)
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, 0);
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, 1) < 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
static int exit_requested;
1712

    
1713
int qemu_shutdown_requested(void)
1714
{
1715
    int r = shutdown_requested;
1716
    shutdown_requested = 0;
1717
    return r;
1718
}
1719

    
1720
int qemu_reset_requested(void)
1721
{
1722
    int r = reset_requested;
1723
    reset_requested = 0;
1724
    return r;
1725
}
1726

    
1727
int qemu_powerdown_requested(void)
1728
{
1729
    int r = powerdown_requested;
1730
    powerdown_requested = 0;
1731
    return r;
1732
}
1733

    
1734
int qemu_exit_requested(void)
1735
{
1736
    /* just return it, we'll exit() anyway */
1737
    return exit_requested;
1738
}
1739

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

    
1747
static int qemu_vmstop_requested(void)
1748
{
1749
    int r = vmstop_requested;
1750
    vmstop_requested = 0;
1751
    return r;
1752
}
1753

    
1754
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1755
{
1756
    QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1757

    
1758
    re->func = func;
1759
    re->opaque = opaque;
1760
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1761
}
1762

    
1763
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1764
{
1765
    QEMUResetEntry *re;
1766

    
1767
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1768
        if (re->func == func && re->opaque == opaque) {
1769
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1770
            qemu_free(re);
1771
            return;
1772
        }
1773
    }
1774
}
1775

    
1776
void qemu_system_reset(void)
1777
{
1778
    QEMUResetEntry *re, *nre;
1779

    
1780
    /* reset all devices */
1781
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1782
        re->func(re->opaque);
1783
    }
1784
    monitor_protocol_event(QEVENT_RESET, NULL);
1785
    cpu_synchronize_all_post_reset();
1786
}
1787

    
1788
void qemu_system_reset_request(void)
1789
{
1790
    if (no_reboot) {
1791
        shutdown_requested = 1;
1792
    } else {
1793
        reset_requested = 1;
1794
    }
1795
    qemu_notify_event();
1796
}
1797

    
1798
void qemu_system_shutdown_request(void)
1799
{
1800
    shutdown_requested = 1;
1801
    qemu_notify_event();
1802
}
1803

    
1804
void qemu_system_powerdown_request(void)
1805
{
1806
    powerdown_requested = 1;
1807
    qemu_notify_event();
1808
}
1809

    
1810
void qemu_system_exit_request(void)
1811
{
1812
    exit_requested = 1;
1813
    qemu_notify_event();
1814
}
1815

    
1816
#ifdef _WIN32
1817
static void host_main_loop_wait(int *timeout)
1818
{
1819
    int ret, ret2, i;
1820
    PollingEntry *pe;
1821

    
1822

    
1823
    /* XXX: need to suppress polling by better using win32 events */
1824
    ret = 0;
1825
    for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
1826
        ret |= pe->func(pe->opaque);
1827
    }
1828
    if (ret == 0) {
1829
        int err;
1830
        WaitObjects *w = &wait_objects;
1831

    
1832
        ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
1833
        if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
1834
            if (w->func[ret - WAIT_OBJECT_0])
1835
                w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
1836

    
1837
            /* Check for additional signaled events */
1838
            for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
1839

    
1840
                /* Check if event is signaled */
1841
                ret2 = WaitForSingleObject(w->events[i], 0);
1842
                if(ret2 == WAIT_OBJECT_0) {
1843
                    if (w->func[i])
1844
                        w->func[i](w->opaque[i]);
1845
                } else if (ret2 == WAIT_TIMEOUT) {
1846
                } else {
1847
                    err = GetLastError();
1848
                    fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
1849
                }
1850
            }
1851
        } else if (ret == WAIT_TIMEOUT) {
1852
        } else {
1853
            err = GetLastError();
1854
            fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
1855
        }
1856
    }
1857

    
1858
    *timeout = 0;
1859
}
1860
#else
1861
static void host_main_loop_wait(int *timeout)
1862
{
1863
}
1864
#endif
1865

    
1866
void main_loop_wait(int nonblocking)
1867
{
1868
    IOHandlerRecord *ioh;
1869
    fd_set rfds, wfds, xfds;
1870
    int ret, nfds;
1871
    struct timeval tv;
1872
    int timeout;
1873

    
1874
    if (nonblocking)
1875
        timeout = 0;
1876
    else {
1877
        timeout = qemu_calculate_timeout();
1878
        qemu_bh_update_timeout(&timeout);
1879
    }
1880

    
1881
    host_main_loop_wait(&timeout);
1882

    
1883
    /* poll any events */
1884
    /* XXX: separate device handlers from system ones */
1885
    nfds = -1;
1886
    FD_ZERO(&rfds);
1887
    FD_ZERO(&wfds);
1888
    FD_ZERO(&xfds);
1889
    QLIST_FOREACH(ioh, &io_handlers, next) {
1890
        if (ioh->deleted)
1891
            continue;
1892
        if (ioh->fd_read &&
1893
            (!ioh->fd_read_poll ||
1894
             ioh->fd_read_poll(ioh->opaque) != 0)) {
1895
            FD_SET(ioh->fd, &rfds);
1896
            if (ioh->fd > nfds)
1897
                nfds = ioh->fd;
1898
        }
1899
        if (ioh->fd_write) {
1900
            FD_SET(ioh->fd, &wfds);
1901
            if (ioh->fd > nfds)
1902
                nfds = ioh->fd;
1903
        }
1904
    }
1905

    
1906
    tv.tv_sec = timeout / 1000;
1907
    tv.tv_usec = (timeout % 1000) * 1000;
1908

    
1909
    slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1910

    
1911
    qemu_mutex_unlock_iothread();
1912
    ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1913
    qemu_mutex_lock_iothread();
1914
    if (ret > 0) {
1915
        IOHandlerRecord *pioh;
1916

    
1917
        QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1918
            if (ioh->deleted) {
1919
                QLIST_REMOVE(ioh, next);
1920
                qemu_free(ioh);
1921
                continue;
1922
            }
1923
            if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1924
                ioh->fd_read(ioh->opaque);
1925
            }
1926
            if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1927
                ioh->fd_write(ioh->opaque);
1928
            }
1929
        }
1930
    }
1931

    
1932
    slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1933

    
1934
    qemu_run_all_timers();
1935

    
1936
    /* Check bottom-halves last in case any of the earlier events triggered
1937
       them.  */
1938
    qemu_bh_poll();
1939

    
1940
}
1941

    
1942
static int vm_can_run(void)
1943
{
1944
    if (powerdown_requested)
1945
        return 0;
1946
    if (reset_requested)
1947
        return 0;
1948
    if (shutdown_requested)
1949
        return 0;
1950
    if (debug_requested)
1951
        return 0;
1952
    if (exit_requested)
1953
        return 0;
1954
    return 1;
1955
}
1956

    
1957
qemu_irq qemu_system_powerdown;
1958

    
1959
static void main_loop(void)
1960
{
1961
    int r;
1962

    
1963
    qemu_main_loop_start();
1964

    
1965
    for (;;) {
1966
        do {
1967
            bool nonblocking = false;
1968
#ifdef CONFIG_PROFILER
1969
            int64_t ti;
1970
#endif
1971
#ifndef CONFIG_IOTHREAD
1972
            nonblocking = tcg_cpu_exec();
1973
#endif
1974
#ifdef CONFIG_PROFILER
1975
            ti = profile_getclock();
1976
#endif
1977
            main_loop_wait(nonblocking);
1978
#ifdef CONFIG_PROFILER
1979
            dev_time += profile_getclock() - ti;
1980
#endif
1981
        } while (vm_can_run());
1982

    
1983
        if ((r = qemu_debug_requested())) {
1984
            vm_stop(r);
1985
        }
1986
        if (qemu_shutdown_requested()) {
1987
            monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1988
            if (no_shutdown) {
1989
                vm_stop(0);
1990
                no_shutdown = 0;
1991
            } else
1992
                break;
1993
        }
1994
        if (qemu_reset_requested()) {
1995
            pause_all_vcpus();
1996
            qemu_system_reset();
1997
            resume_all_vcpus();
1998
        }
1999
        if (qemu_powerdown_requested()) {
2000
            monitor_protocol_event(QEVENT_POWERDOWN, NULL);
2001
            qemu_irq_raise(qemu_system_powerdown);
2002
        }
2003
        if ((r = qemu_vmstop_requested())) {
2004
            vm_stop(r);
2005
        }
2006
        if (qemu_exit_requested()) {
2007
            exit(0);
2008
        }
2009
    }
2010
    pause_all_vcpus();
2011
}
2012

    
2013
static void version(void)
2014
{
2015
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2016
}
2017

    
2018
static void help(int exitcode)
2019
{
2020
    const char *options_help =
2021
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
2022
        opt_help
2023
#define DEFHEADING(text) stringify(text) "\n"
2024
#include "qemu-options.h"
2025
#undef DEF
2026
#undef DEFHEADING
2027
#undef GEN_DOCS
2028
        ;
2029
    version();
2030
    printf("usage: %s [options] [disk_image]\n"
2031
           "\n"
2032
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
2033
           "\n"
2034
           "%s\n"
2035
           "During emulation, the following keys are useful:\n"
2036
           "ctrl-alt-f      toggle full screen\n"
2037
           "ctrl-alt-n      switch to virtual console 'n'\n"
2038
           "ctrl-alt        toggle mouse and keyboard grab\n"
2039
           "\n"
2040
           "When using -nographic, press 'ctrl-a h' to get some help.\n",
2041
           "qemu",
2042
           options_help);
2043
    exit(exitcode);
2044
}
2045

    
2046
#define HAS_ARG 0x0001
2047

    
2048
enum {
2049
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
2050
    opt_enum,
2051
#define DEFHEADING(text)
2052
#include "qemu-options.h"
2053
#undef DEF
2054
#undef DEFHEADING
2055
#undef GEN_DOCS
2056
};
2057

    
2058
typedef struct QEMUOption {
2059
    const char *name;
2060
    int flags;
2061
    int index;
2062
    uint32_t arch_mask;
2063
} QEMUOption;
2064

    
2065
static const QEMUOption qemu_options[] = {
2066
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2067
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
2068
    { option, opt_arg, opt_enum, arch_mask },
2069
#define DEFHEADING(text)
2070
#include "qemu-options.h"
2071
#undef DEF
2072
#undef DEFHEADING
2073
#undef GEN_DOCS
2074
    { NULL },
2075
};
2076
static void select_vgahw (const char *p)
2077
{
2078
    const char *opts;
2079

    
2080
    default_vga = 0;
2081
    vga_interface_type = VGA_NONE;
2082
    if (strstart(p, "std", &opts)) {
2083
        vga_interface_type = VGA_STD;
2084
    } else if (strstart(p, "cirrus", &opts)) {
2085
        vga_interface_type = VGA_CIRRUS;
2086
    } else if (strstart(p, "vmware", &opts)) {
2087
        vga_interface_type = VGA_VMWARE;
2088
    } else if (strstart(p, "xenfb", &opts)) {
2089
        vga_interface_type = VGA_XENFB;
2090
    } else if (!strstart(p, "none", &opts)) {
2091
    invalid_vga:
2092
        fprintf(stderr, "Unknown vga type: %s\n", p);
2093
        exit(1);
2094
    }
2095
    while (*opts) {
2096
        const char *nextopt;
2097

    
2098
        if (strstart(opts, ",retrace=", &nextopt)) {
2099
            opts = nextopt;
2100
            if (strstart(opts, "dumb", &nextopt))
2101
                vga_retrace_method = VGA_RETRACE_DUMB;
2102
            else if (strstart(opts, "precise", &nextopt))
2103
                vga_retrace_method = VGA_RETRACE_PRECISE;
2104
            else goto invalid_vga;
2105
        } else goto invalid_vga;
2106
        opts = nextopt;
2107
    }
2108
}
2109

    
2110
static int balloon_parse(const char *arg)
2111
{
2112
    QemuOpts *opts;
2113

    
2114
    if (strcmp(arg, "none") == 0) {
2115
        return 0;
2116
    }
2117

    
2118
    if (!strncmp(arg, "virtio", 6)) {
2119
        if (arg[6] == ',') {
2120
            /* have params -> parse them */
2121
            opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
2122
            if (!opts)
2123
                return  -1;
2124
        } else {
2125
            /* create empty opts */
2126
            opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2127
        }
2128
        qemu_opt_set(opts, "driver", "virtio-balloon-pci");
2129
        return 0;
2130
    }
2131

    
2132
    return -1;
2133
}
2134

    
2135
#ifdef _WIN32
2136
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
2137
{
2138
    exit(STATUS_CONTROL_C_EXIT);
2139
    return TRUE;
2140
}
2141
#endif
2142

    
2143
#ifndef _WIN32
2144

    
2145
static void termsig_handler(int signal)
2146
{
2147
    qemu_system_shutdown_request();
2148
}
2149

    
2150
static void sigchld_handler(int signal)
2151
{
2152
    waitpid(-1, NULL, WNOHANG);
2153
}
2154

    
2155
static void sighandler_setup(void)
2156
{
2157
    struct sigaction act;
2158

    
2159
    memset(&act, 0, sizeof(act));
2160
    act.sa_handler = termsig_handler;
2161
    sigaction(SIGINT,  &act, NULL);
2162
    sigaction(SIGHUP,  &act, NULL);
2163
    sigaction(SIGTERM, &act, NULL);
2164

    
2165
    act.sa_handler = sigchld_handler;
2166
    act.sa_flags = SA_NOCLDSTOP;
2167
    sigaction(SIGCHLD, &act, NULL);
2168
}
2169

    
2170
#endif
2171

    
2172
#ifdef _WIN32
2173
/* Look for support files in the same directory as the executable.  */
2174
static char *find_datadir(const char *argv0)
2175
{
2176
    char *p;
2177
    char buf[MAX_PATH];
2178
    DWORD len;
2179

    
2180
    len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
2181
    if (len == 0) {
2182
        return NULL;
2183
    }
2184

    
2185
    buf[len] = 0;
2186
    p = buf + len - 1;
2187
    while (p != buf && *p != '\\')
2188
        p--;
2189
    *p = 0;
2190
    if (access(buf, R_OK) == 0) {
2191
        return qemu_strdup(buf);
2192
    }
2193
    return NULL;
2194
}
2195
#else /* !_WIN32 */
2196

    
2197
/* Find a likely location for support files using the location of the binary.
2198
   For installed binaries this will be "$bindir/../share/qemu".  When
2199
   running from the build tree this will be "$bindir/../pc-bios".  */
2200
#define SHARE_SUFFIX "/share/qemu"
2201
#define BUILD_SUFFIX "/pc-bios"
2202
static char *find_datadir(const char *argv0)
2203
{
2204
    char *dir;
2205
    char *p = NULL;
2206
    char *res;
2207
    char buf[PATH_MAX];
2208
    size_t max_len;
2209

    
2210
#if defined(__linux__)
2211
    {
2212
        int len;
2213
        len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
2214
        if (len > 0) {
2215
            buf[len] = 0;
2216
            p = buf;
2217
        }
2218
    }
2219
#elif defined(__FreeBSD__)
2220
    {
2221
        static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
2222
        size_t len = sizeof(buf) - 1;
2223

    
2224
        *buf = '\0';
2225
        if (!sysctl(mib, sizeof(mib)/sizeof(*mib), buf, &len, NULL, 0) &&
2226
            *buf) {
2227
            buf[sizeof(buf) - 1] = '\0';
2228
            p = buf;
2229
        }
2230
    }
2231
#endif
2232
    /* If we don't have any way of figuring out the actual executable
2233
       location then try argv[0].  */
2234
    if (!p) {
2235
        p = realpath(argv0, buf);
2236
        if (!p) {
2237
            return NULL;
2238
        }
2239
    }
2240
    dir = dirname(p);
2241
    dir = dirname(dir);
2242

    
2243
    max_len = strlen(dir) +
2244
        MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
2245
    res = qemu_mallocz(max_len);
2246
    snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
2247
    if (access(res, R_OK)) {
2248
        snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
2249
        if (access(res, R_OK)) {
2250
            qemu_free(res);
2251
            res = NULL;
2252
        }
2253
    }
2254

    
2255
    return res;
2256
}
2257
#undef SHARE_SUFFIX
2258
#undef BUILD_SUFFIX
2259
#endif
2260

    
2261
char *qemu_find_file(int type, const char *name)
2262
{
2263
    int len;
2264
    const char *subdir;
2265
    char *buf;
2266

    
2267
    /* If name contains path separators then try it as a straight path.  */
2268
    if ((strchr(name, '/') || strchr(name, '\\'))
2269
        && access(name, R_OK) == 0) {
2270
        return qemu_strdup(name);
2271
    }
2272
    switch (type) {
2273
    case QEMU_FILE_TYPE_BIOS:
2274
        subdir = "";
2275
        break;
2276
    case QEMU_FILE_TYPE_KEYMAP:
2277
        subdir = "keymaps/";
2278
        break;
2279
    default:
2280
        abort();
2281
    }
2282
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2283
    buf = qemu_mallocz(len);
2284
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2285
    if (access(buf, R_OK)) {
2286
        qemu_free(buf);
2287
        return NULL;
2288
    }
2289
    return buf;
2290
}
2291

    
2292
static int device_help_func(QemuOpts *opts, void *opaque)
2293
{
2294
    return qdev_device_help(opts);
2295
}
2296

    
2297
static int device_init_func(QemuOpts *opts, void *opaque)
2298
{
2299
    DeviceState *dev;
2300

    
2301
    dev = qdev_device_add(opts);
2302
    if (!dev)
2303
        return -1;
2304
    return 0;
2305
}
2306

    
2307
static int chardev_init_func(QemuOpts *opts, void *opaque)
2308
{
2309
    CharDriverState *chr;
2310

    
2311
    chr = qemu_chr_open_opts(opts, NULL);
2312
    if (!chr)
2313
        return -1;
2314
    return 0;
2315
}
2316

    
2317
#ifdef CONFIG_LINUX
2318
static int fsdev_init_func(QemuOpts *opts, void *opaque)
2319
{
2320
    int ret;
2321
    ret = qemu_fsdev_add(opts);
2322

    
2323
    return ret;
2324
}
2325
#endif
2326

    
2327
static int mon_init_func(QemuOpts *opts, void *opaque)
2328
{
2329
    CharDriverState *chr;
2330
    const char *chardev;
2331
    const char *mode;
2332
    int flags;
2333

    
2334
    mode = qemu_opt_get(opts, "mode");
2335
    if (mode == NULL) {
2336
        mode = "readline";
2337
    }
2338
    if (strcmp(mode, "readline") == 0) {
2339
        flags = MONITOR_USE_READLINE;
2340
    } else if (strcmp(mode, "control") == 0) {
2341
        flags = MONITOR_USE_CONTROL;
2342
    } else {
2343
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2344
        exit(1);
2345
    }
2346

    
2347
    if (qemu_opt_get_bool(opts, "default", 0))
2348
        flags |= MONITOR_IS_DEFAULT;
2349

    
2350
    chardev = qemu_opt_get(opts, "chardev");
2351
    chr = qemu_chr_find(chardev);
2352
    if (chr == NULL) {
2353
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2354
        exit(1);
2355
    }
2356

    
2357
    monitor_init(chr, flags);
2358
    return 0;
2359
}
2360

    
2361
static void monitor_parse(const char *optarg, const char *mode)
2362
{
2363
    static int monitor_device_index = 0;
2364
    QemuOpts *opts;
2365
    const char *p;
2366
    char label[32];
2367
    int def = 0;
2368

    
2369
    if (strstart(optarg, "chardev:", &p)) {
2370
        snprintf(label, sizeof(label), "%s", p);
2371
    } else {
2372
        snprintf(label, sizeof(label), "compat_monitor%d",
2373
                 monitor_device_index);
2374
        if (monitor_device_index == 0) {
2375
            def = 1;
2376
        }
2377
        opts = qemu_chr_parse_compat(label, optarg);
2378
        if (!opts) {
2379
            fprintf(stderr, "parse error: %s\n", optarg);
2380
            exit(1);
2381
        }
2382
    }
2383

    
2384
    opts = qemu_opts_create(&qemu_mon_opts, label, 1);
2385
    if (!opts) {
2386
        fprintf(stderr, "duplicate chardev: %s\n", label);
2387
        exit(1);
2388
    }
2389
    qemu_opt_set(opts, "mode", mode);
2390
    qemu_opt_set(opts, "chardev", label);
2391
    if (def)
2392
        qemu_opt_set(opts, "default", "on");
2393
    monitor_device_index++;
2394
}
2395

    
2396
struct device_config {
2397
    enum {
2398
        DEV_USB,       /* -usbdevice     */
2399
        DEV_BT,        /* -bt            */
2400
        DEV_SERIAL,    /* -serial        */
2401
        DEV_PARALLEL,  /* -parallel      */
2402
        DEV_VIRTCON,   /* -virtioconsole */
2403
        DEV_DEBUGCON,  /* -debugcon */
2404
    } type;
2405
    const char *cmdline;
2406
    QTAILQ_ENTRY(device_config) next;
2407
};
2408
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2409

    
2410
static void add_device_config(int type, const char *cmdline)
2411
{
2412
    struct device_config *conf;
2413

    
2414
    conf = qemu_mallocz(sizeof(*conf));
2415
    conf->type = type;
2416
    conf->cmdline = cmdline;
2417
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2418
}
2419

    
2420
static int foreach_device_config(int type, int (*func)(const char *cmdline))
2421
{
2422
    struct device_config *conf;
2423
    int rc;
2424

    
2425
    QTAILQ_FOREACH(conf, &device_configs, next) {
2426
        if (conf->type != type)
2427
            continue;
2428
        rc = func(conf->cmdline);
2429
        if (0 != rc)
2430
            return rc;
2431
    }
2432
    return 0;
2433
}
2434

    
2435
static int serial_parse(const char *devname)
2436
{
2437
    static int index = 0;
2438
    char label[32];
2439

    
2440
    if (strcmp(devname, "none") == 0)
2441
        return 0;
2442
    if (index == MAX_SERIAL_PORTS) {
2443
        fprintf(stderr, "qemu: too many serial ports\n");
2444
        exit(1);
2445
    }
2446
    snprintf(label, sizeof(label), "serial%d", index);
2447
    serial_hds[index] = qemu_chr_open(label, devname, NULL);
2448
    if (!serial_hds[index]) {
2449
        fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
2450
                devname, strerror(errno));
2451
        return -1;
2452
    }
2453
    index++;
2454
    return 0;
2455
}
2456

    
2457
static int parallel_parse(const char *devname)
2458
{
2459
    static int index = 0;
2460
    char label[32];
2461

    
2462
    if (strcmp(devname, "none") == 0)
2463
        return 0;
2464
    if (index == MAX_PARALLEL_PORTS) {
2465
        fprintf(stderr, "qemu: too many parallel ports\n");
2466
        exit(1);
2467
    }
2468
    snprintf(label, sizeof(label), "parallel%d", index);
2469
    parallel_hds[index] = qemu_chr_open(label, devname, NULL);
2470
    if (!parallel_hds[index]) {
2471
        fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2472
                devname, strerror(errno));
2473
        return -1;
2474
    }
2475
    index++;
2476
    return 0;
2477
}
2478

    
2479
static int virtcon_parse(const char *devname)
2480
{
2481
    static int index = 0;
2482
    char label[32];
2483
    QemuOpts *bus_opts, *dev_opts;
2484

    
2485
    if (strcmp(devname, "none") == 0)
2486
        return 0;
2487
    if (index == MAX_VIRTIO_CONSOLES) {
2488
        fprintf(stderr, "qemu: too many virtio consoles\n");
2489
        exit(1);
2490
    }
2491

    
2492
    bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2493
    qemu_opt_set(bus_opts, "driver", "virtio-serial");
2494

    
2495
    dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2496
    qemu_opt_set(dev_opts, "driver", "virtconsole");
2497

    
2498
    snprintf(label, sizeof(label), "virtcon%d", index);
2499
    virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
2500
    if (!virtcon_hds[index]) {
2501
        fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2502
                devname, strerror(errno));
2503
        return -1;
2504
    }
2505
    qemu_opt_set(dev_opts, "chardev", label);
2506

    
2507
    index++;
2508
    return 0;
2509
}
2510

    
2511
static int debugcon_parse(const char *devname)
2512
{   
2513
    QemuOpts *opts;
2514

    
2515
    if (!qemu_chr_open("debugcon", devname, NULL)) {
2516
        exit(1);
2517
    }
2518
    opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1);
2519
    if (!opts) {
2520
        fprintf(stderr, "qemu: already have a debugcon device\n");
2521
        exit(1);
2522
    }
2523
    qemu_opt_set(opts, "driver", "isa-debugcon");
2524
    qemu_opt_set(opts, "chardev", "debugcon");
2525
    return 0;
2526
}
2527

    
2528
static const QEMUOption *lookup_opt(int argc, char **argv,
2529
                                    const char **poptarg, int *poptind)
2530
{
2531
    const QEMUOption *popt;
2532
    int optind = *poptind;
2533
    char *r = argv[optind];
2534
    const char *optarg;
2535

    
2536
    loc_set_cmdline(argv, optind, 1);
2537
    optind++;
2538
    /* Treat --foo the same as -foo.  */
2539
    if (r[1] == '-')
2540
        r++;
2541
    popt = qemu_options;
2542
    for(;;) {
2543
        if (!popt->name) {
2544
            error_report("invalid option");
2545
            exit(1);
2546
        }
2547
        if (!strcmp(popt->name, r + 1))
2548
            break;
2549
        popt++;
2550
    }
2551
    if (popt->flags & HAS_ARG) {
2552
        if (optind >= argc) {
2553
            error_report("requires an argument");
2554
            exit(1);
2555
        }
2556
        optarg = argv[optind++];
2557
        loc_set_cmdline(argv, optind - 2, 2);
2558
    } else {
2559
        optarg = NULL;
2560
    }
2561

    
2562
    *poptarg = optarg;
2563
    *poptind = optind;
2564

    
2565
    return popt;
2566
}
2567

    
2568
int main(int argc, char **argv, char **envp)
2569
{
2570
    const char *gdbstub_dev = NULL;
2571
    int i;
2572
    int snapshot, linux_boot;
2573
    const char *icount_option = NULL;
2574
    const char *initrd_filename;
2575
    const char *kernel_filename, *kernel_cmdline;
2576
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2577
    DisplayState *ds;
2578
    DisplayChangeListener *dcl;
2579
    int cyls, heads, secs, translation;
2580
    QemuOpts *hda_opts = NULL, *opts;
2581
    int optind;
2582
    const char *optarg;
2583
    const char *loadvm = NULL;
2584
    QEMUMachine *machine;
2585
    const char *cpu_model;
2586
#ifndef _WIN32
2587
    int fds[2];
2588
#endif
2589
    int tb_size;
2590
    const char *pid_file = NULL;
2591
    const char *incoming = NULL;
2592
#ifndef _WIN32
2593
    int fd = 0;
2594
    struct passwd *pwd = NULL;
2595
    const char *chroot_dir = NULL;
2596
    const char *run_as = NULL;
2597
#endif
2598
    int show_vnc_port = 0;
2599
    int defconfig = 1;
2600

    
2601
    error_set_progname(argv[0]);
2602

    
2603
    init_clocks();
2604

    
2605
    qemu_cache_utils_init(envp);
2606

    
2607
    QLIST_INIT (&vm_change_state_head);
2608
#ifndef _WIN32
2609
    {
2610
        struct sigaction act;
2611
        sigfillset(&act.sa_mask);
2612
        act.sa_flags = 0;
2613
        act.sa_handler = SIG_IGN;
2614
        sigaction(SIGPIPE, &act, NULL);
2615
    }
2616
#else
2617
    SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
2618
    /* Note: cpu_interrupt() is currently not SMP safe, so we force
2619
       QEMU to run on a single CPU */
2620
    {
2621
        HANDLE h;
2622
        DWORD mask, smask;
2623
        int i;
2624
        h = GetCurrentProcess();
2625
        if (GetProcessAffinityMask(h, &mask, &smask)) {
2626
            for(i = 0; i < 32; i++) {
2627
                if (mask & (1 << i))
2628
                    break;
2629
            }
2630
            if (i != 32) {
2631
                mask = 1 << i;
2632
                SetProcessAffinityMask(h, mask);
2633
            }
2634
        }
2635
    }
2636
#endif
2637

    
2638
    module_call_init(MODULE_INIT_MACHINE);
2639
    machine = find_default_machine();
2640
    cpu_model = NULL;
2641
    initrd_filename = NULL;
2642
    ram_size = 0;
2643
    snapshot = 0;
2644
    kernel_filename = NULL;
2645
    kernel_cmdline = "";
2646
    cyls = heads = secs = 0;
2647
    translation = BIOS_ATA_TRANSLATION_AUTO;
2648

    
2649
    for (i = 0; i < MAX_NODES; i++) {
2650
        node_mem[i] = 0;
2651
        node_cpumask[i] = 0;
2652
    }
2653

    
2654
    nb_numa_nodes = 0;
2655
    nb_nics = 0;
2656

    
2657
    tb_size = 0;
2658
    autostart= 1;
2659

    
2660
    /* first pass of option parsing */
2661
    optind = 1;
2662
    while (optind < argc) {
2663
        if (argv[optind][0] != '-') {
2664
            /* disk image */
2665
            optind++;
2666
            continue;
2667
        } else {
2668
            const QEMUOption *popt;
2669

    
2670
            popt = lookup_opt(argc, argv, &optarg, &optind);
2671
            switch (popt->index) {
2672
            case QEMU_OPTION_nodefconfig:
2673
                defconfig=0;
2674
                break;
2675
            }
2676
        }
2677
    }
2678

    
2679
    if (defconfig) {
2680
        int ret;
2681

    
2682
        ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2683
        if (ret == -EINVAL) {
2684
            exit(1);
2685
        }
2686

    
2687
        ret = qemu_read_config_file(arch_config_name);
2688
        if (ret == -EINVAL) {
2689
            exit(1);
2690
        }
2691
    }
2692
    cpudef_init();
2693

    
2694
    /* second pass of option parsing */
2695
    optind = 1;
2696
    for(;;) {
2697
        if (optind >= argc)
2698
            break;
2699
        if (argv[optind][0] != '-') {
2700
            hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
2701
        } else {
2702
            const QEMUOption *popt;
2703

    
2704
            popt = lookup_opt(argc, argv, &optarg, &optind);
2705
            if (!(popt->arch_mask & arch_type)) {
2706
                printf("Option %s not supported for this target\n", popt->name);
2707
                exit(1);
2708
            }
2709
            switch(popt->index) {
2710
            case QEMU_OPTION_M:
2711
                machine = find_machine(optarg);
2712
                if (!machine) {
2713
                    QEMUMachine *m;
2714
                    printf("Supported machines are:\n");
2715
                    for(m = first_machine; m != NULL; m = m->next) {
2716
                        if (m->alias)
2717
                            printf("%-10s %s (alias of %s)\n",
2718
                                   m->alias, m->desc, m->name);
2719
                        printf("%-10s %s%s\n",
2720
                               m->name, m->desc,
2721
                               m->is_default ? " (default)" : "");
2722
                    }
2723
                    exit(*optarg != '?');
2724
                }
2725
                break;
2726
            case QEMU_OPTION_cpu:
2727
                /* hw initialization will check this */
2728
                if (*optarg == '?') {
2729
                    list_cpus(stdout, &fprintf, optarg);
2730
                    exit(0);
2731
                } else {
2732
                    cpu_model = optarg;
2733
                }
2734
                break;
2735
            case QEMU_OPTION_initrd:
2736
                initrd_filename = optarg;
2737
                break;
2738
            case QEMU_OPTION_hda:
2739
                if (cyls == 0)
2740
                    hda_opts = drive_add(optarg, HD_ALIAS, 0);
2741
                else
2742
                    hda_opts = drive_add(optarg, HD_ALIAS
2743
                             ",cyls=%d,heads=%d,secs=%d%s",
2744
                             0, cyls, heads, secs,
2745
                             translation == BIOS_ATA_TRANSLATION_LBA ?
2746
                                 ",trans=lba" :
2747
                             translation == BIOS_ATA_TRANSLATION_NONE ?
2748
                                 ",trans=none" : "");
2749
                 break;
2750
            case QEMU_OPTION_hdb:
2751
            case QEMU_OPTION_hdc:
2752
            case QEMU_OPTION_hdd:
2753
                drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
2754
                break;
2755
            case QEMU_OPTION_drive:
2756
                drive_add(NULL, "%s", optarg);
2757
                break;
2758
            case QEMU_OPTION_set:
2759
                if (qemu_set_option(optarg) != 0)
2760
                    exit(1);
2761
                break;
2762
            case QEMU_OPTION_global:
2763
                if (qemu_global_option(optarg) != 0)
2764
                    exit(1);
2765
                break;
2766
            case QEMU_OPTION_mtdblock:
2767
                drive_add(optarg, MTD_ALIAS);
2768
                break;
2769
            case QEMU_OPTION_sd:
2770
                drive_add(optarg, SD_ALIAS);
2771
                break;
2772
            case QEMU_OPTION_pflash:
2773
                drive_add(optarg, PFLASH_ALIAS);
2774
                break;
2775
            case QEMU_OPTION_snapshot:
2776
                snapshot = 1;
2777
                break;
2778
            case QEMU_OPTION_hdachs:
2779
                {
2780
                    const char *p;
2781
                    p = optarg;
2782
                    cyls = strtol(p, (char **)&p, 0);
2783
                    if (cyls < 1 || cyls > 16383)
2784
                        goto chs_fail;
2785
                    if (*p != ',')
2786
                        goto chs_fail;
2787
                    p++;
2788
                    heads = strtol(p, (char **)&p, 0);
2789
                    if (heads < 1 || heads > 16)
2790
                        goto chs_fail;
2791
                    if (*p != ',')
2792
                        goto chs_fail;
2793
                    p++;
2794
                    secs = strtol(p, (char **)&p, 0);
2795
                    if (secs < 1 || secs > 63)
2796
                        goto chs_fail;
2797
                    if (*p == ',') {
2798
                        p++;
2799
                        if (!strcmp(p, "none"))
2800
                            translation = BIOS_ATA_TRANSLATION_NONE;
2801
                        else if (!strcmp(p, "lba"))
2802
                            translation = BIOS_ATA_TRANSLATION_LBA;
2803
                        else if (!strcmp(p, "auto"))
2804
                            translation = BIOS_ATA_TRANSLATION_AUTO;
2805
                        else
2806
                            goto chs_fail;
2807
                    } else if (*p != '\0') {
2808
                    chs_fail:
2809
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
2810
                        exit(1);
2811
                    }
2812
                    if (hda_opts != NULL) {
2813
                        char num[16];
2814
                        snprintf(num, sizeof(num), "%d", cyls);
2815
                        qemu_opt_set(hda_opts, "cyls", num);
2816
                        snprintf(num, sizeof(num), "%d", heads);
2817
                        qemu_opt_set(hda_opts, "heads", num);
2818
                        snprintf(num, sizeof(num), "%d", secs);
2819
                        qemu_opt_set(hda_opts, "secs", num);
2820
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2821
                            qemu_opt_set(hda_opts, "trans", "lba");
2822
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2823
                            qemu_opt_set(hda_opts, "trans", "none");
2824
                    }
2825
                }
2826
                break;
2827
            case QEMU_OPTION_numa:
2828
                if (nb_numa_nodes >= MAX_NODES) {
2829
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2830
                    exit(1);
2831
                }
2832
                numa_add(optarg);
2833
                break;
2834
            case QEMU_OPTION_nographic:
2835
                display_type = DT_NOGRAPHIC;
2836
                break;
2837
#ifdef CONFIG_CURSES
2838
            case QEMU_OPTION_curses:
2839
                display_type = DT_CURSES;
2840
                break;
2841
#endif
2842
            case QEMU_OPTION_portrait:
2843
                graphic_rotate = 1;
2844
                break;
2845
            case QEMU_OPTION_kernel:
2846
                kernel_filename = optarg;
2847
                break;
2848
            case QEMU_OPTION_append:
2849
                kernel_cmdline = optarg;
2850
                break;
2851
            case QEMU_OPTION_cdrom:
2852
                drive_add(optarg, CDROM_ALIAS);
2853
                break;
2854
            case QEMU_OPTION_boot:
2855
                {
2856
                    static const char * const params[] = {
2857
                        "order", "once", "menu", NULL
2858
                    };
2859
                    char buf[sizeof(boot_devices)];
2860
                    char *standard_boot_devices;
2861
                    int legacy = 0;
2862

    
2863
                    if (!strchr(optarg, '=')) {
2864
                        legacy = 1;
2865
                        pstrcpy(buf, sizeof(buf), optarg);
2866
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2867
                        fprintf(stderr,
2868
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2869
                                buf, optarg);
2870
                        exit(1);
2871
                    }
2872

    
2873
                    if (legacy ||
2874
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2875
                        validate_bootdevices(buf);
2876
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2877
                    }
2878
                    if (!legacy) {
2879
                        if (get_param_value(buf, sizeof(buf),
2880
                                            "once", optarg)) {
2881
                            validate_bootdevices(buf);
2882
                            standard_boot_devices = qemu_strdup(boot_devices);
2883
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2884
                            qemu_register_reset(restore_boot_devices,
2885
                                                standard_boot_devices);
2886
                        }
2887
                        if (get_param_value(buf, sizeof(buf),
2888
                                            "menu", optarg)) {
2889
                            if (!strcmp(buf, "on")) {
2890
                                boot_menu = 1;
2891
                            } else if (!strcmp(buf, "off")) {
2892
                                boot_menu = 0;
2893
                            } else {
2894
                                fprintf(stderr,
2895
                                        "qemu: invalid option value '%s'\n",
2896
                                        buf);
2897
                                exit(1);
2898
                            }
2899
                        }
2900
                    }
2901
                }
2902
                break;
2903
            case QEMU_OPTION_fda:
2904
            case QEMU_OPTION_fdb:
2905
                drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
2906
                break;
2907
            case QEMU_OPTION_no_fd_bootchk:
2908
                fd_bootchk = 0;
2909
                break;
2910
            case QEMU_OPTION_netdev:
2911
                if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
2912
                    exit(1);
2913
                }
2914
                break;
2915
            case QEMU_OPTION_net:
2916
                if (net_client_parse(&qemu_net_opts, optarg) == -1) {
2917
                    exit(1);
2918
                }
2919
                break;
2920
#ifdef CONFIG_SLIRP
2921
            case QEMU_OPTION_tftp:
2922
                legacy_tftp_prefix = optarg;
2923
                break;
2924
            case QEMU_OPTION_bootp:
2925
                legacy_bootp_filename = optarg;
2926
                break;
2927
#ifndef _WIN32
2928
            case QEMU_OPTION_smb:
2929
                if (net_slirp_smb(optarg) < 0)
2930
                    exit(1);
2931
                break;
2932
#endif
2933
            case QEMU_OPTION_redir:
2934
                if (net_slirp_redir(optarg) < 0)
2935
                    exit(1);
2936
                break;
2937
#endif
2938
            case QEMU_OPTION_bt:
2939
                add_device_config(DEV_BT, optarg);
2940
                break;
2941
            case QEMU_OPTION_audio_help:
2942
                if (!(audio_available())) {
2943
                    printf("Option %s not supported for this target\n", popt->name);
2944
                    exit(1);
2945
                }
2946
                AUD_help ();
2947
                exit (0);
2948
                break;
2949
            case QEMU_OPTION_soundhw:
2950
                if (!(audio_available())) {
2951
                    printf("Option %s not supported for this target\n", popt->name);
2952
                    exit(1);
2953
                }
2954
                select_soundhw (optarg);
2955
                break;
2956
            case QEMU_OPTION_h:
2957
                help(0);
2958
                break;
2959
            case QEMU_OPTION_version:
2960
                version();
2961
                exit(0);
2962
                break;
2963
            case QEMU_OPTION_m: {
2964
                uint64_t value;
2965
                char *ptr;
2966

    
2967
                value = strtoul(optarg, &ptr, 10);
2968
                switch (*ptr) {
2969
                case 0: case 'M': case 'm':
2970
                    value <<= 20;
2971
                    break;
2972
                case 'G': case 'g':
2973
                    value <<= 30;
2974
                    break;
2975
                default:
2976
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2977
                    exit(1);
2978
                }
2979

    
2980
                /* On 32-bit hosts, QEMU is limited by virtual address space */
2981
                if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2982
                    fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2983
                    exit(1);
2984
                }
2985
                if (value != (uint64_t)(ram_addr_t)value) {
2986
                    fprintf(stderr, "qemu: ram size too large\n");
2987
                    exit(1);
2988
                }
2989
                ram_size = value;
2990
                break;
2991
            }
2992
            case QEMU_OPTION_mempath:
2993
                mem_path = optarg;
2994
                break;
2995
#ifdef MAP_POPULATE
2996
            case QEMU_OPTION_mem_prealloc:
2997
                mem_prealloc = 1;
2998
                break;
2999
#endif
3000
            case QEMU_OPTION_d:
3001
                set_cpu_log(optarg);
3002
                break;
3003
            case QEMU_OPTION_s:
3004
                gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
3005
                break;
3006
            case QEMU_OPTION_gdb:
3007
                gdbstub_dev = optarg;
3008
                break;
3009
            case QEMU_OPTION_L:
3010
                data_dir = optarg;
3011
                break;
3012
            case QEMU_OPTION_bios:
3013
                bios_name = optarg;
3014
                break;
3015
            case QEMU_OPTION_singlestep:
3016
                singlestep = 1;
3017
                break;
3018
            case QEMU_OPTION_S:
3019
                autostart = 0;
3020
                break;
3021
            case QEMU_OPTION_k:
3022
                keyboard_layout = optarg;
3023
                break;
3024
            case QEMU_OPTION_localtime:
3025
                rtc_utc = 0;
3026
                break;
3027
            case QEMU_OPTION_vga:
3028
                select_vgahw (optarg);
3029
                break;
3030
            case QEMU_OPTION_g:
3031
                {
3032
                    const char *p;
3033
                    int w, h, depth;
3034
                    p = optarg;
3035
                    w = strtol(p, (char **)&p, 10);
3036
                    if (w <= 0) {
3037
                    graphic_error:
3038
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
3039
                        exit(1);
3040
                    }
3041
                    if (*p != 'x')
3042
                        goto graphic_error;
3043
                    p++;
3044
                    h = strtol(p, (char **)&p, 10);
3045
                    if (h <= 0)
3046
                        goto graphic_error;
3047
                    if (*p == 'x') {
3048
                        p++;
3049
                        depth = strtol(p, (char **)&p, 10);
3050
                        if (depth != 8 && depth != 15 && depth != 16 &&
3051
                            depth != 24 && depth != 32)
3052
                            goto graphic_error;
3053
                    } else if (*p == '\0') {
3054
                        depth = graphic_depth;
3055
                    } else {
3056
                        goto graphic_error;
3057
                    }
3058

    
3059
                    graphic_width = w;
3060
                    graphic_height = h;
3061
                    graphic_depth = depth;
3062
                }
3063
                break;
3064
            case QEMU_OPTION_echr:
3065
                {
3066
                    char *r;
3067
                    term_escape_char = strtol(optarg, &r, 0);
3068
                    if (r == optarg)
3069
                        printf("Bad argument to echr\n");
3070
                    break;
3071
                }
3072
            case QEMU_OPTION_monitor:
3073
                monitor_parse(optarg, "readline");
3074
                default_monitor = 0;
3075
                break;
3076
            case QEMU_OPTION_qmp:
3077
                monitor_parse(optarg, "control");
3078
                default_monitor = 0;
3079
                break;
3080
            case QEMU_OPTION_mon:
3081
                opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
3082
                if (!opts) {
3083
                    exit(1);
3084
                }
3085
                default_monitor = 0;
3086
                break;
3087
            case QEMU_OPTION_chardev:
3088
                opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
3089
                if (!opts) {
3090
                    exit(1);
3091
                }
3092
                break;
3093
#ifdef CONFIG_LINUX
3094
            case QEMU_OPTION_fsdev:
3095
                opts = qemu_opts_parse(&qemu_fsdev_opts, optarg, 1);
3096
                if (!opts) {
3097
                    fprintf(stderr, "parse error: %s\n", optarg);
3098
                    exit(1);
3099
                }
3100
                break;
3101
            case QEMU_OPTION_virtfs: {
3102
                char *arg_fsdev = NULL;
3103
                char *arg_9p = NULL;
3104
                int len = 0;
3105

    
3106
                opts = qemu_opts_parse(&qemu_virtfs_opts, optarg, 1);
3107
                if (!opts) {
3108
                    fprintf(stderr, "parse error: %s\n", optarg);
3109
                    exit(1);
3110
                }
3111

    
3112
                len = strlen(",id=,path=");
3113
                len += strlen(qemu_opt_get(opts, "fstype"));
3114
                len += strlen(qemu_opt_get(opts, "mount_tag"));
3115
                len += strlen(qemu_opt_get(opts, "path"));
3116
                arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
3117

    
3118
                if (!arg_fsdev) {
3119
                    fprintf(stderr, "No memory to parse -fsdev for %s\n",
3120
                            optarg);
3121
                    exit(1);
3122
                }
3123

    
3124
                sprintf(arg_fsdev, "%s,id=%s,path=%s",
3125
                                qemu_opt_get(opts, "fstype"),
3126
                                qemu_opt_get(opts, "mount_tag"),
3127
                                qemu_opt_get(opts, "path"));
3128

    
3129
                len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
3130
                len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
3131
                arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
3132

    
3133
                if (!arg_9p) {
3134
                    fprintf(stderr, "No memory to parse -device for %s\n",
3135
                            optarg);
3136
                    exit(1);
3137
                }
3138

    
3139
                sprintf(arg_9p, "virtio-9p-pci,fsdev=%s,mount_tag=%s",
3140
                                qemu_opt_get(opts, "mount_tag"),
3141
                                qemu_opt_get(opts, "mount_tag"));
3142

    
3143
                if (!qemu_opts_parse(&qemu_fsdev_opts, arg_fsdev, 1)) {
3144
                    fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
3145
                    exit(1);
3146
                }
3147

    
3148
                if (!qemu_opts_parse(&qemu_device_opts, arg_9p, 1)) {
3149
                    fprintf(stderr, "parse error [device]: %s\n", optarg);
3150
                    exit(1);
3151
                }
3152

    
3153
                qemu_free(arg_fsdev);
3154
                qemu_free(arg_9p);
3155
                break;
3156
            }
3157
#endif
3158
            case QEMU_OPTION_serial:
3159
                add_device_config(DEV_SERIAL, optarg);
3160
                default_serial = 0;
3161
                if (strncmp(optarg, "mon:", 4) == 0) {
3162
                    default_monitor = 0;
3163
                }
3164
                break;
3165
            case QEMU_OPTION_watchdog:
3166
                if (watchdog) {
3167
                    fprintf(stderr,
3168
                            "qemu: only one watchdog option may be given\n");
3169
                    return 1;
3170
                }
3171
                watchdog = optarg;
3172
                break;
3173
            case QEMU_OPTION_watchdog_action:
3174
                if (select_watchdog_action(optarg) == -1) {
3175
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
3176
                    exit(1);
3177
                }
3178
                break;
3179
            case QEMU_OPTION_virtiocon:
3180
                add_device_config(DEV_VIRTCON, optarg);
3181
                default_virtcon = 0;
3182
                if (strncmp(optarg, "mon:", 4) == 0) {
3183
                    default_monitor = 0;
3184
                }
3185
                break;
3186
            case QEMU_OPTION_parallel:
3187
                add_device_config(DEV_PARALLEL, optarg);
3188
                default_parallel = 0;
3189
                if (strncmp(optarg, "mon:", 4) == 0) {
3190
                    default_monitor = 0;
3191
                }
3192
                break;
3193
            case QEMU_OPTION_debugcon:
3194
                add_device_config(DEV_DEBUGCON, optarg);
3195
                break;
3196
            case QEMU_OPTION_loadvm:
3197
                loadvm = optarg;
3198
                break;
3199
            case QEMU_OPTION_full_screen:
3200
                full_screen = 1;
3201
                break;
3202
#ifdef CONFIG_SDL
3203
            case QEMU_OPTION_no_frame:
3204
                no_frame = 1;
3205
                break;
3206
            case QEMU_OPTION_alt_grab:
3207
                alt_grab = 1;
3208
                break;
3209
            case QEMU_OPTION_ctrl_grab:
3210
                ctrl_grab = 1;
3211
                break;
3212
            case QEMU_OPTION_no_quit:
3213
                no_quit = 1;
3214
                break;
3215
            case QEMU_OPTION_sdl:
3216
                display_type = DT_SDL;
3217
                break;
3218
#endif
3219
            case QEMU_OPTION_pidfile:
3220
                pid_file = optarg;
3221
                break;
3222
            case QEMU_OPTION_win2k_hack:
3223
                win2k_install_hack = 1;
3224
                break;
3225
            case QEMU_OPTION_rtc_td_hack:
3226
                rtc_td_hack = 1;
3227
                break;
3228
            case QEMU_OPTION_acpitable:
3229
                do_acpitable_option(optarg);
3230
                break;
3231
            case QEMU_OPTION_smbios:
3232
                do_smbios_option(optarg);
3233
                break;
3234
            case QEMU_OPTION_enable_kvm:
3235
                kvm_allowed = 1;
3236
                break;
3237
            case QEMU_OPTION_usb:
3238
                usb_enabled = 1;
3239
                break;
3240
            case QEMU_OPTION_usbdevice:
3241
                usb_enabled = 1;
3242
                add_device_config(DEV_USB, optarg);
3243
                break;
3244
            case QEMU_OPTION_device:
3245
                if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
3246
                    exit(1);
3247
                }
3248
                break;
3249
            case QEMU_OPTION_smp:
3250
                smp_parse(optarg);
3251
                if (smp_cpus < 1) {
3252
                    fprintf(stderr, "Invalid number of CPUs\n");
3253
                    exit(1);
3254
                }
3255
                if (max_cpus < smp_cpus) {
3256
                    fprintf(stderr, "maxcpus must be equal to or greater than "
3257
                            "smp\n");
3258
                    exit(1);
3259
                }
3260
                if (max_cpus > 255) {
3261
                    fprintf(stderr, "Unsupported number of maxcpus\n");
3262
                    exit(1);
3263
                }
3264
                break;
3265
            case QEMU_OPTION_vnc:
3266
                display_type = DT_VNC;
3267
                vnc_display = optarg;
3268
                break;
3269
            case QEMU_OPTION_no_acpi:
3270
                acpi_enabled = 0;
3271
                break;
3272
            case QEMU_OPTION_no_hpet:
3273
                no_hpet = 1;
3274
                break;
3275
            case QEMU_OPTION_balloon:
3276
                if (balloon_parse(optarg) < 0) {
3277
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3278
                    exit(1);
3279
                }
3280
                break;
3281
            case QEMU_OPTION_no_reboot:
3282
                no_reboot = 1;
3283
                break;
3284
            case QEMU_OPTION_no_shutdown:
3285
                no_shutdown = 1;
3286
                break;
3287
            case QEMU_OPTION_show_cursor:
3288
                cursor_hide = 0;
3289
                break;
3290
            case QEMU_OPTION_uuid:
3291
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3292
                    fprintf(stderr, "Fail to parse UUID string."
3293
                            " Wrong format.\n");
3294
                    exit(1);
3295
                }
3296
                break;
3297
#ifndef _WIN32
3298
            case QEMU_OPTION_daemonize:
3299
                daemonize = 1;
3300
                break;
3301
#endif
3302
            case QEMU_OPTION_option_rom:
3303
                if (nb_option_roms >= MAX_OPTION_ROMS) {
3304
                    fprintf(stderr, "Too many option ROMs\n");
3305
                    exit(1);
3306
                }
3307
                option_rom[nb_option_roms] = optarg;
3308
                nb_option_roms++;
3309
                break;
3310
            case QEMU_OPTION_semihosting:
3311
                semihosting_enabled = 1;
3312
                break;
3313
            case QEMU_OPTION_name:
3314
                qemu_name = qemu_strdup(optarg);
3315
                 {
3316
                     char *p = strchr(qemu_name, ',');
3317
                     if (p != NULL) {
3318
                        *p++ = 0;
3319
                        if (strncmp(p, "process=", 8)) {
3320
                            fprintf(stderr, "Unknown subargument %s to -name", p);
3321
                            exit(1);
3322
                        }
3323
                        p += 8;
3324
                        set_proc_name(p);
3325
                     }        
3326
                 }        
3327
                break;
3328
            case QEMU_OPTION_prom_env:
3329
                if (nb_prom_envs >= MAX_PROM_ENVS) {
3330
                    fprintf(stderr, "Too many prom variables\n");
3331
                    exit(1);
3332
                }
3333
                prom_envs[nb_prom_envs] = optarg;
3334
                nb_prom_envs++;
3335
                break;
3336
            case QEMU_OPTION_old_param:
3337
                old_param = 1;
3338
                break;
3339
            case QEMU_OPTION_clock:
3340
                configure_alarms(optarg);
3341
                break;
3342
            case QEMU_OPTION_startdate:
3343
                configure_rtc_date_offset(optarg, 1);
3344
                break;
3345
            case QEMU_OPTION_rtc:
3346
                opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
3347
                if (!opts) {
3348
                    exit(1);
3349
                }
3350
                configure_rtc(opts);
3351
                break;
3352
            case QEMU_OPTION_tb_size:
3353
                tb_size = strtol(optarg, NULL, 0);
3354
                if (tb_size < 0)
3355
                    tb_size = 0;
3356
                break;
3357
            case QEMU_OPTION_icount:
3358
                icount_option = optarg;
3359
                break;
3360
            case QEMU_OPTION_incoming:
3361
                incoming = optarg;
3362
                break;
3363
            case QEMU_OPTION_nodefaults:
3364
                default_serial = 0;
3365
                default_parallel = 0;
3366
                default_virtcon = 0;
3367
                default_monitor = 0;
3368
                default_vga = 0;
3369
                default_net = 0;
3370
                default_floppy = 0;
3371
                default_cdrom = 0;
3372
                default_sdcard = 0;
3373
                break;
3374
#ifndef _WIN32
3375
            case QEMU_OPTION_chroot:
3376
                chroot_dir = optarg;
3377
                break;
3378
            case QEMU_OPTION_runas:
3379
                run_as = optarg;
3380
                break;
3381
#endif
3382
            case QEMU_OPTION_xen_domid:
3383
                if (!(xen_available())) {
3384
                    printf("Option %s not supported for this target\n", popt->name);
3385
                    exit(1);
3386
                }
3387
                xen_domid = atoi(optarg);
3388
                break;
3389
            case QEMU_OPTION_xen_create:
3390
                if (!(xen_available())) {
3391
                    printf("Option %s not supported for this target\n", popt->name);
3392
                    exit(1);
3393
                }
3394
                xen_mode = XEN_CREATE;
3395
                break;
3396
            case QEMU_OPTION_xen_attach:
3397
                if (!(xen_available())) {
3398
                    printf("Option %s not supported for this target\n", popt->name);
3399
                    exit(1);
3400
                }
3401
                xen_mode = XEN_ATTACH;
3402
                break;
3403
            case QEMU_OPTION_readconfig:
3404
                {
3405
                    int ret = qemu_read_config_file(optarg);
3406
                    if (ret < 0) {
3407
                        fprintf(stderr, "read config %s: %s\n", optarg,
3408
                            strerror(-ret));
3409
                        exit(1);
3410
                    }
3411
                    break;
3412
                }
3413
            case QEMU_OPTION_writeconfig:
3414
                {
3415
                    FILE *fp;
3416
                    if (strcmp(optarg, "-") == 0) {
3417
                        fp = stdout;
3418
                    } else {
3419
                        fp = fopen(optarg, "w");
3420
                        if (fp == NULL) {
3421
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3422
                            exit(1);
3423
                        }
3424
                    }
3425
                    qemu_config_write(fp);
3426
                    fclose(fp);
3427
                    break;
3428
                }
3429
            }
3430
        }
3431
    }
3432
    loc_set_none();
3433

    
3434
    /* If no data_dir is specified then try to find it relative to the
3435
       executable path.  */
3436
    if (!data_dir) {
3437
        data_dir = find_datadir(argv[0]);
3438
    }
3439
    /* If all else fails use the install patch specified when building.  */
3440
    if (!data_dir) {
3441
        data_dir = CONFIG_QEMU_SHAREDIR;
3442
    }
3443

    
3444
    /*
3445
     * Default to max_cpus = smp_cpus, in case the user doesn't
3446
     * specify a max_cpus value.
3447
     */
3448
    if (!max_cpus)
3449
        max_cpus = smp_cpus;
3450

    
3451
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3452
    if (smp_cpus > machine->max_cpus) {
3453
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3454
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3455
                machine->max_cpus);
3456
        exit(1);
3457
    }
3458

    
3459
    qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0);
3460
    qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0);
3461

    
3462
    if (machine->no_serial) {
3463
        default_serial = 0;
3464
    }
3465
    if (machine->no_parallel) {
3466
        default_parallel = 0;
3467
    }
3468
    if (!machine->use_virtcon) {
3469
        default_virtcon = 0;
3470
    }
3471
    if (machine->no_vga) {
3472
        default_vga = 0;
3473
    }
3474
    if (machine->no_floppy) {
3475
        default_floppy = 0;
3476
    }
3477
    if (machine->no_cdrom) {
3478
        default_cdrom = 0;
3479
    }
3480
    if (machine->no_sdcard) {
3481
        default_sdcard = 0;
3482
    }
3483

    
3484
    if (display_type == DT_NOGRAPHIC) {
3485
        if (default_parallel)
3486
            add_device_config(DEV_PARALLEL, "null");
3487
        if (default_serial && default_monitor) {
3488
            add_device_config(DEV_SERIAL, "mon:stdio");
3489
        } else if (default_virtcon && default_monitor) {
3490
            add_device_config(DEV_VIRTCON, "mon:stdio");
3491
        } else {
3492
            if (default_serial)
3493
                add_device_config(DEV_SERIAL, "stdio");
3494
            if (default_virtcon)
3495
                add_device_config(DEV_VIRTCON, "stdio");
3496
            if (default_monitor)
3497
                monitor_parse("stdio", "readline");
3498
        }
3499
    } else {
3500
        if (default_serial)
3501
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
3502
        if (default_parallel)
3503
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3504
        if (default_monitor)
3505
            monitor_parse("vc:80Cx24C", "readline");
3506
        if (default_virtcon)
3507
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3508
    }
3509
    if (default_vga)
3510
        vga_interface_type = VGA_CIRRUS;
3511

    
3512
    socket_init();
3513

    
3514
    if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
3515
        exit(1);
3516
#ifdef CONFIG_LINUX
3517
    if (qemu_opts_foreach(&qemu_fsdev_opts, fsdev_init_func, NULL, 1) != 0) {
3518
        exit(1);
3519
    }
3520
#endif
3521

    
3522
#ifndef _WIN32
3523
    if (daemonize) {
3524
        pid_t pid;
3525

    
3526
        if (pipe(fds) == -1)
3527
            exit(1);
3528

    
3529
        pid = fork();
3530
        if (pid > 0) {
3531
            uint8_t status;
3532
            ssize_t len;
3533

    
3534
            close(fds[1]);
3535

    
3536
        again:
3537
            len = read(fds[0], &status, 1);
3538
            if (len == -1 && (errno == EINTR))
3539
                goto again;
3540

    
3541
            if (len != 1)
3542
                exit(1);
3543
            else if (status == 1) {
3544
                fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno));
3545
                exit(1);
3546
            } else
3547
                exit(0);
3548
        } else if (pid < 0)
3549
            exit(1);
3550

    
3551
        close(fds[0]);
3552
        qemu_set_cloexec(fds[1]);
3553

    
3554
        setsid();
3555

    
3556
        pid = fork();
3557
        if (pid > 0)
3558
            exit(0);
3559
        else if (pid < 0)
3560
            exit(1);
3561

    
3562
        umask(027);
3563

    
3564
        signal(SIGTSTP, SIG_IGN);
3565
        signal(SIGTTOU, SIG_IGN);
3566
        signal(SIGTTIN, SIG_IGN);
3567
    }
3568
#endif
3569

    
3570
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3571
#ifndef _WIN32
3572
        if (daemonize) {
3573
            uint8_t status = 1;
3574
            if (write(fds[1], &status, 1) != 1) {
3575
                perror("daemonize. Writing to pipe\n");
3576
            }
3577
        } else
3578
#endif
3579
            fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
3580
        exit(1);
3581
    }
3582

    
3583
    if (kvm_allowed) {
3584
        int ret = kvm_init(smp_cpus);
3585
        if (ret < 0) {
3586
            if (!kvm_available()) {
3587
                printf("KVM not supported for this target\n");
3588
            } else {
3589
                fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
3590
            }
3591
            exit(1);
3592
        }
3593
    }
3594

    
3595
    if (qemu_init_main_loop()) {
3596
        fprintf(stderr, "qemu_init_main_loop failed\n");
3597
        exit(1);
3598
    }
3599
    linux_boot = (kernel_filename != NULL);
3600

    
3601
    if (!linux_boot && *kernel_cmdline != '\0') {
3602
        fprintf(stderr, "-append only allowed with -kernel option\n");
3603
        exit(1);
3604
    }
3605

    
3606
    if (!linux_boot && initrd_filename != NULL) {
3607
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
3608
        exit(1);
3609
    }
3610

    
3611
#ifndef _WIN32
3612
    /* Win32 doesn't support line-buffering and requires size >= 2 */
3613
    setvbuf(stdout, NULL, _IOLBF, 0);
3614
#endif
3615

    
3616
    if (init_timer_alarm() < 0) {
3617
        fprintf(stderr, "could not initialize alarm timer\n");
3618
        exit(1);
3619
    }
3620
    configure_icount(icount_option);
3621

    
3622
    if (net_init_clients() < 0) {
3623
        exit(1);
3624
    }
3625

    
3626
    /* init the bluetooth world */
3627
    if (foreach_device_config(DEV_BT, bt_parse))
3628
        exit(1);
3629

    
3630
    /* init the memory */
3631
    if (ram_size == 0)
3632
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3633

    
3634
    /* init the dynamic translator */
3635
    cpu_exec_init_all(tb_size * 1024 * 1024);
3636

    
3637
    bdrv_init_with_whitelist();
3638

    
3639
    blk_mig_init();
3640

    
3641
    if (default_cdrom) {
3642
        /* we always create the cdrom drive, even if no disk is there */
3643
        drive_add(NULL, CDROM_ALIAS);
3644
    }
3645

    
3646
    if (default_floppy) {
3647
        /* we always create at least one floppy */
3648
        drive_add(NULL, FD_ALIAS, 0);
3649
    }
3650

    
3651
    if (default_sdcard) {
3652
        /* we always create one sd slot, even if no card is in it */
3653
        drive_add(NULL, SD_ALIAS);
3654
    }
3655

    
3656
    /* open the virtual block devices */
3657
    if (snapshot)
3658
        qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
3659
    if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0)
3660
        exit(1);
3661

    
3662
    register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL, 
3663
                         ram_load, NULL);
3664

    
3665
    if (nb_numa_nodes > 0) {
3666
        int i;
3667

    
3668
        if (nb_numa_nodes > smp_cpus) {
3669
            nb_numa_nodes = smp_cpus;
3670
        }
3671

    
3672
        /* If no memory size if given for any node, assume the default case
3673
         * and distribute the available memory equally across all nodes
3674
         */
3675
        for (i = 0; i < nb_numa_nodes; i++) {
3676
            if (node_mem[i] != 0)
3677
                break;
3678
        }
3679
        if (i == nb_numa_nodes) {
3680
            uint64_t usedmem = 0;
3681

    
3682
            /* On Linux, the each node's border has to be 8MB aligned,
3683
             * the final node gets the rest.
3684
             */
3685
            for (i = 0; i < nb_numa_nodes - 1; i++) {
3686
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3687
                usedmem += node_mem[i];
3688
            }
3689
            node_mem[i] = ram_size - usedmem;
3690
        }
3691

    
3692
        for (i = 0; i < nb_numa_nodes; i++) {
3693
            if (node_cpumask[i] != 0)
3694
                break;
3695
        }
3696
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
3697
         * must cope with this anyway, because there are BIOSes out there in
3698
         * real machines which also use this scheme.
3699
         */
3700
        if (i == nb_numa_nodes) {
3701
            for (i = 0; i < smp_cpus; i++) {
3702
                node_cpumask[i % nb_numa_nodes] |= 1 << i;
3703
            }
3704
        }
3705
    }
3706

    
3707
    if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) {
3708
        exit(1);
3709
    }
3710

    
3711
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3712
        exit(1);
3713
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3714
        exit(1);
3715
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3716
        exit(1);
3717
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3718
        exit(1);
3719

    
3720
    module_call_init(MODULE_INIT_DEVICE);
3721

    
3722
    if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0)
3723
        exit(0);
3724

    
3725
    if (watchdog) {
3726
        i = select_watchdog(watchdog);
3727
        if (i > 0)
3728
            exit (i == 1 ? 1 : 0);
3729
    }
3730

    
3731
    if (machine->compat_props) {
3732
        qdev_prop_register_global_list(machine->compat_props);
3733
    }
3734
    qemu_add_globals();
3735

    
3736
    machine->init(ram_size, boot_devices,
3737
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3738

    
3739
    cpu_synchronize_all_post_init();
3740

    
3741
#ifndef _WIN32
3742
    /* must be after terminal init, SDL library changes signal handlers */
3743
    sighandler_setup();
3744
#endif
3745

    
3746
    set_numa_modes();
3747

    
3748
    current_machine = machine;
3749

    
3750
    /* init USB devices */
3751
    if (usb_enabled) {
3752
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
3753
            exit(1);
3754
    }
3755

    
3756
    /* init generic devices */
3757
    if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
3758
        exit(1);
3759

    
3760
    net_check_clients();
3761

    
3762
    /* just use the first displaystate for the moment */
3763
    ds = get_displaystate();
3764

    
3765
    if (display_type == DT_DEFAULT) {
3766
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3767
        display_type = DT_SDL;
3768
#else
3769
        display_type = DT_VNC;
3770
        vnc_display = "localhost:0,to=99";
3771
        show_vnc_port = 1;
3772
#endif
3773
    }
3774
        
3775

    
3776
    switch (display_type) {
3777
    case DT_NOGRAPHIC:
3778
        break;
3779
#if defined(CONFIG_CURSES)
3780
    case DT_CURSES:
3781
        curses_display_init(ds, full_screen);
3782
        break;
3783
#endif
3784
#if defined(CONFIG_SDL)
3785
    case DT_SDL:
3786
        sdl_display_init(ds, full_screen, no_frame);
3787
        break;
3788
#elif defined(CONFIG_COCOA)
3789
    case DT_SDL:
3790
        cocoa_display_init(ds, full_screen);
3791
        break;
3792
#endif
3793
    case DT_VNC:
3794
        vnc_display_init(ds);
3795
        if (vnc_display_open(ds, vnc_display) < 0)
3796
            exit(1);
3797

    
3798
        if (show_vnc_port) {
3799
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3800
        }
3801
        break;
3802
    default:
3803
        break;
3804
    }
3805
    dpy_resize(ds);
3806

    
3807
    dcl = ds->listeners;
3808
    while (dcl != NULL) {
3809
        if (dcl->dpy_refresh != NULL) {
3810
            ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
3811
            qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
3812
        }
3813
        dcl = dcl->next;
3814
    }
3815

    
3816
    if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
3817
        nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
3818
        qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
3819
    }
3820

    
3821
    text_consoles_set_display(ds);
3822

    
3823
    if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3824
        fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3825
                gdbstub_dev);
3826
        exit(1);
3827
    }
3828

    
3829
    qdev_machine_creation_done();
3830

    
3831
    if (rom_load_all() != 0) {
3832
        fprintf(stderr, "rom loading failed\n");
3833
        exit(1);
3834
    }
3835

    
3836
    qemu_system_reset();
3837
    if (loadvm) {
3838
        if (load_vmstate(loadvm) < 0) {
3839
            autostart = 0;
3840
        }
3841
    }
3842

    
3843
    if (incoming) {
3844
        qemu_start_incoming_migration(incoming);
3845
    } else if (autostart) {
3846
        vm_start();
3847
    }
3848

    
3849
#ifndef _WIN32
3850
    if (daemonize) {
3851
        uint8_t status = 0;
3852
        ssize_t len;
3853

    
3854
    again1:
3855
        len = write(fds[1], &status, 1);
3856
        if (len == -1 && (errno == EINTR))
3857
            goto again1;
3858

    
3859
        if (len != 1)
3860
            exit(1);
3861

    
3862
        if (chdir("/")) {
3863
            perror("not able to chdir to /");
3864
            exit(1);
3865
        }
3866
        TFR(fd = qemu_open("/dev/null", O_RDWR));
3867
        if (fd == -1)
3868
            exit(1);
3869
    }
3870

    
3871
    if (run_as) {
3872
        pwd = getpwnam(run_as);
3873
        if (!pwd) {
3874
            fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
3875
            exit(1);
3876
        }
3877
    }
3878

    
3879
    if (chroot_dir) {
3880
        if (chroot(chroot_dir) < 0) {
3881
            fprintf(stderr, "chroot failed\n");
3882
            exit(1);
3883
        }
3884
        if (chdir("/")) {
3885
            perror("not able to chdir to /");
3886
            exit(1);
3887
        }
3888
    }
3889

    
3890
    if (run_as) {
3891
        if (setgid(pwd->pw_gid) < 0) {
3892
            fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
3893
            exit(1);
3894
        }
3895
        if (setuid(pwd->pw_uid) < 0) {
3896
            fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
3897
            exit(1);
3898
        }
3899
        if (setuid(0) != -1) {
3900
            fprintf(stderr, "Dropping privileges failed\n");
3901
            exit(1);
3902
        }
3903
    }
3904

    
3905
    if (daemonize) {
3906
        dup2(fd, 0);
3907
        dup2(fd, 1);
3908
        dup2(fd, 2);
3909

    
3910
        close(fd);
3911
    }
3912
#endif
3913

    
3914
    main_loop();
3915
    quit_timers();
3916
    net_cleanup();
3917

    
3918
    return 0;
3919
}