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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
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 * 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 <sys/times.h>
38
#include <sys/wait.h>
39
#include <termios.h>
40
#include <sys/mman.h>
41
#include <sys/ioctl.h>
42
#include <sys/resource.h>
43
#include <sys/socket.h>
44
#include <netinet/in.h>
45
#include <net/if.h>
46
#include <arpa/inet.h>
47
#include <dirent.h>
48
#include <netdb.h>
49
#include <sys/select.h>
50

    
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

    
64
#include <linux/ppdev.h>
65
#include <linux/parport.h>
66
#endif
67
#ifdef __sun__
68
#include <sys/stat.h>
69
#include <sys/ethernet.h>
70
#include <sys/sockio.h>
71
#include <netinet/arp.h>
72
#include <netinet/in_systm.h>
73
#include <netinet/ip.h>
74
#include <netinet/ip_icmp.h> // must come after ip.h
75
#include <netinet/udp.h>
76
#include <netinet/tcp.h>
77
#include <net/if.h>
78
#include <syslog.h>
79
#include <stropts.h>
80
#endif
81
#endif
82
#endif
83

    
84
#if defined(__OpenBSD__)
85
#include <util.h>
86
#endif
87

    
88
#if defined(CONFIG_VDE)
89
#include <libvdeplug.h>
90
#endif
91

    
92
#ifdef _WIN32
93
#include <windows.h>
94
#endif
95

    
96
#ifdef CONFIG_SDL
97
#if defined(__APPLE__) || defined(main)
98
#include <SDL.h>
99
int qemu_main(int argc, char **argv, char **envp);
100
int main(int argc, char **argv)
101
{
102
    return qemu_main(argc, argv, NULL);
103
}
104
#undef main
105
#define main qemu_main
106
#endif
107
#endif /* CONFIG_SDL */
108

    
109
#ifdef CONFIG_COCOA
110
#undef main
111
#define main qemu_main
112
#endif /* CONFIG_COCOA */
113

    
114
#include "hw/hw.h"
115
#include "hw/boards.h"
116
#include "hw/usb.h"
117
#include "hw/pcmcia.h"
118
#include "hw/pc.h"
119
#include "hw/isa.h"
120
#include "hw/baum.h"
121
#include "hw/bt.h"
122
#include "hw/watchdog.h"
123
#include "hw/smbios.h"
124
#include "hw/xen.h"
125
#include "hw/qdev.h"
126
#include "hw/loader.h"
127
#include "bt-host.h"
128
#include "net.h"
129
#include "net/slirp.h"
130
#include "monitor.h"
131
#include "console.h"
132
#include "sysemu.h"
133
#include "gdbstub.h"
134
#include "qemu-timer.h"
135
#include "qemu-char.h"
136
#include "cache-utils.h"
137
#include "block.h"
138
#include "blockdev.h"
139
#include "block-migration.h"
140
#include "dma.h"
141
#include "audio/audio.h"
142
#include "migration.h"
143
#include "kvm.h"
144
#include "qemu-option.h"
145
#include "qemu-config.h"
146
#include "qemu-objects.h"
147
#include "qemu-options.h"
148
#ifdef CONFIG_VIRTFS
149
#include "fsdev/qemu-fsdev.h"
150
#endif
151

    
152
#include "disas.h"
153

    
154
#include "qemu_socket.h"
155

    
156
#include "slirp/libslirp.h"
157

    
158
#include "trace.h"
159
#include "simpletrace.h"
160
#include "qemu-queue.h"
161
#include "cpus.h"
162
#include "arch_init.h"
163

    
164
#include "ui/qemu-spice.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
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
176
DisplayType display_type = DT_DEFAULT;
177
int display_remote = 0;
178
const char* keyboard_layout = NULL;
179
ram_addr_t ram_size;
180
const char *mem_path = NULL;
181
#ifdef MAP_POPULATE
182
int mem_prealloc = 0; /* force preallocation of physical target memory */
183
#endif
184
int nb_nics;
185
NICInfo nd_table[MAX_NICS];
186
int vm_running;
187
int autostart;
188
int incoming_expected; /* Started with -incoming and waiting for incoming */
189
static int rtc_utc = 1;
190
static int rtc_date_offset = -1; /* -1 means no change */
191
QEMUClock *rtc_clock;
192
int vga_interface_type = VGA_NONE;
193
static int full_screen = 0;
194
#ifdef CONFIG_SDL
195
static int no_frame = 0;
196
#endif
197
int no_quit = 0;
198
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
199
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
200
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
201
int win2k_install_hack = 0;
202
int rtc_td_hack = 0;
203
int usb_enabled = 0;
204
int singlestep = 0;
205
int smp_cpus = 1;
206
int max_cpus = 0;
207
int smp_cores = 1;
208
int smp_threads = 1;
209
#ifdef CONFIG_VNC
210
const char *vnc_display;
211
#endif
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
const char *watchdog;
221
QEMUOptionRom option_rom[MAX_OPTION_ROMS];
222
int nb_option_roms;
223
int semihosting_enabled = 0;
224
int old_param = 0;
225
const char *qemu_name;
226
int alt_grab = 0;
227
int ctrl_grab = 0;
228
unsigned int nb_prom_envs = 0;
229
const char *prom_envs[MAX_PROM_ENVS];
230
int boot_menu;
231
uint8_t *boot_splash_filedata;
232
int boot_splash_filedata_size;
233
uint8_t qemu_extra_params_fw[2];
234

    
235
typedef struct FWBootEntry FWBootEntry;
236

    
237
struct FWBootEntry {
238
    QTAILQ_ENTRY(FWBootEntry) link;
239
    int32_t bootindex;
240
    DeviceState *dev;
241
    char *suffix;
242
};
243

    
244
QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
245

    
246
int nb_numa_nodes;
247
uint64_t node_mem[MAX_NODES];
248
uint64_t node_cpumask[MAX_NODES];
249

    
250
static QEMUTimer *nographic_timer;
251

    
252
uint8_t qemu_uuid[16];
253

    
254
static QEMUBootSetHandler *boot_set_handler;
255
static void *boot_set_opaque;
256

    
257
static NotifierList exit_notifiers =
258
    NOTIFIER_LIST_INITIALIZER(exit_notifiers);
259

    
260
static NotifierList machine_init_done_notifiers =
261
    NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
262

    
263
static int tcg_allowed = 1;
264
int kvm_allowed = 0;
265
int xen_allowed = 0;
266
uint32_t xen_domid;
267
enum xen_mode xen_mode = XEN_EMULATE;
268
static int tcg_tb_size;
269

    
270
static int default_serial = 1;
271
static int default_parallel = 1;
272
static int default_virtcon = 1;
273
static int default_monitor = 1;
274
static int default_vga = 1;
275
static int default_floppy = 1;
276
static int default_cdrom = 1;
277
static int default_sdcard = 1;
278

    
279
static struct {
280
    const char *driver;
281
    int *flag;
282
} default_list[] = {
283
    { .driver = "isa-serial",           .flag = &default_serial    },
284
    { .driver = "isa-parallel",         .flag = &default_parallel  },
285
    { .driver = "isa-fdc",              .flag = &default_floppy    },
286
    { .driver = "ide-cd",               .flag = &default_cdrom     },
287
    { .driver = "ide-hd",               .flag = &default_cdrom     },
288
    { .driver = "ide-drive",            .flag = &default_cdrom     },
289
    { .driver = "scsi-cd",              .flag = &default_cdrom     },
290
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
291
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
292
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
293
    { .driver = "VGA",                  .flag = &default_vga       },
294
    { .driver = "cirrus-vga",           .flag = &default_vga       },
295
    { .driver = "vmware-svga",          .flag = &default_vga       },
296
    { .driver = "isa-vga",              .flag = &default_vga       },
297
    { .driver = "qxl-vga",              .flag = &default_vga       },
298
};
299

    
300
static void res_free(void)
301
{
302
    if (boot_splash_filedata != NULL) {
303
        g_free(boot_splash_filedata);
304
        boot_splash_filedata = NULL;
305
    }
306
}
307

    
308
static int default_driver_check(QemuOpts *opts, void *opaque)
309
{
310
    const char *driver = qemu_opt_get(opts, "driver");
311
    int i;
312

    
313
    if (!driver)
314
        return 0;
315
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
316
        if (strcmp(default_list[i].driver, driver) != 0)
317
            continue;
318
        *(default_list[i].flag) = 0;
319
    }
320
    return 0;
321
}
322

    
323
/***********************************************************/
324
/* real time host monotonic timer */
325

    
326
/***********************************************************/
327
/* host time/date access */
328
void qemu_get_timedate(struct tm *tm, int offset)
329
{
330
    time_t ti;
331
    struct tm *ret;
332

    
333
    time(&ti);
334
    ti += offset;
335
    if (rtc_date_offset == -1) {
336
        if (rtc_utc)
337
            ret = gmtime(&ti);
338
        else
339
            ret = localtime(&ti);
340
    } else {
341
        ti -= rtc_date_offset;
342
        ret = gmtime(&ti);
343
    }
344

    
345
    memcpy(tm, ret, sizeof(struct tm));
346
}
347

    
348
int qemu_timedate_diff(struct tm *tm)
349
{
350
    time_t seconds;
351

    
352
    if (rtc_date_offset == -1)
353
        if (rtc_utc)
354
            seconds = mktimegm(tm);
355
        else
356
            seconds = mktime(tm);
357
    else
358
        seconds = mktimegm(tm) + rtc_date_offset;
359

    
360
    return seconds - time(NULL);
361
}
362

    
363
void rtc_change_mon_event(struct tm *tm)
364
{
365
    QObject *data;
366

    
367
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
368
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
369
    qobject_decref(data);
370
}
371

    
372
static void configure_rtc_date_offset(const char *startdate, int legacy)
373
{
374
    time_t rtc_start_date;
375
    struct tm tm;
376

    
377
    if (!strcmp(startdate, "now") && legacy) {
378
        rtc_date_offset = -1;
379
    } else {
380
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
381
                   &tm.tm_year,
382
                   &tm.tm_mon,
383
                   &tm.tm_mday,
384
                   &tm.tm_hour,
385
                   &tm.tm_min,
386
                   &tm.tm_sec) == 6) {
387
            /* OK */
388
        } else if (sscanf(startdate, "%d-%d-%d",
389
                          &tm.tm_year,
390
                          &tm.tm_mon,
391
                          &tm.tm_mday) == 3) {
392
            tm.tm_hour = 0;
393
            tm.tm_min = 0;
394
            tm.tm_sec = 0;
395
        } else {
396
            goto date_fail;
397
        }
398
        tm.tm_year -= 1900;
399
        tm.tm_mon--;
400
        rtc_start_date = mktimegm(&tm);
401
        if (rtc_start_date == -1) {
402
        date_fail:
403
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
404
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
405
            exit(1);
406
        }
407
        rtc_date_offset = time(NULL) - rtc_start_date;
408
    }
409
}
410

    
411
static void configure_rtc(QemuOpts *opts)
412
{
413
    const char *value;
414

    
415
    value = qemu_opt_get(opts, "base");
416
    if (value) {
417
        if (!strcmp(value, "utc")) {
418
            rtc_utc = 1;
419
        } else if (!strcmp(value, "localtime")) {
420
            rtc_utc = 0;
421
        } else {
422
            configure_rtc_date_offset(value, 0);
423
        }
424
    }
425
    value = qemu_opt_get(opts, "clock");
426
    if (value) {
427
        if (!strcmp(value, "host")) {
428
            rtc_clock = host_clock;
429
        } else if (!strcmp(value, "vm")) {
430
            rtc_clock = vm_clock;
431
        } else {
432
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
433
            exit(1);
434
        }
435
    }
436
    value = qemu_opt_get(opts, "driftfix");
437
    if (value) {
438
        if (!strcmp(value, "slew")) {
439
            rtc_td_hack = 1;
440
        } else if (!strcmp(value, "none")) {
441
            rtc_td_hack = 0;
442
        } else {
443
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
444
            exit(1);
445
        }
446
    }
447
}
448

    
449
/***********************************************************/
450
/* Bluetooth support */
451
static int nb_hcis;
452
static int cur_hci;
453
static struct HCIInfo *hci_table[MAX_NICS];
454

    
455
static struct bt_vlan_s {
456
    struct bt_scatternet_s net;
457
    int id;
458
    struct bt_vlan_s *next;
459
} *first_bt_vlan;
460

    
461
/* find or alloc a new bluetooth "VLAN" */
462
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
463
{
464
    struct bt_vlan_s **pvlan, *vlan;
465
    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
466
        if (vlan->id == id)
467
            return &vlan->net;
468
    }
469
    vlan = g_malloc0(sizeof(struct bt_vlan_s));
470
    vlan->id = id;
471
    pvlan = &first_bt_vlan;
472
    while (*pvlan != NULL)
473
        pvlan = &(*pvlan)->next;
474
    *pvlan = vlan;
475
    return &vlan->net;
476
}
477

    
478
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
479
{
480
}
481

    
482
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
483
{
484
    return -ENOTSUP;
485
}
486

    
487
static struct HCIInfo null_hci = {
488
    .cmd_send = null_hci_send,
489
    .sco_send = null_hci_send,
490
    .acl_send = null_hci_send,
491
    .bdaddr_set = null_hci_addr_set,
492
};
493

    
494
struct HCIInfo *qemu_next_hci(void)
495
{
496
    if (cur_hci == nb_hcis)
497
        return &null_hci;
498

    
499
    return hci_table[cur_hci++];
500
}
501

    
502
static struct HCIInfo *hci_init(const char *str)
503
{
504
    char *endp;
505
    struct bt_scatternet_s *vlan = 0;
506

    
507
    if (!strcmp(str, "null"))
508
        /* null */
509
        return &null_hci;
510
    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
511
        /* host[:hciN] */
512
        return bt_host_hci(str[4] ? str + 5 : "hci0");
513
    else if (!strncmp(str, "hci", 3)) {
514
        /* hci[,vlan=n] */
515
        if (str[3]) {
516
            if (!strncmp(str + 3, ",vlan=", 6)) {
517
                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
518
                if (*endp)
519
                    vlan = 0;
520
            }
521
        } else
522
            vlan = qemu_find_bt_vlan(0);
523
        if (vlan)
524
           return bt_new_hci(vlan);
525
    }
526

    
527
    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
528

    
529
    return 0;
530
}
531

    
532
static int bt_hci_parse(const char *str)
533
{
534
    struct HCIInfo *hci;
535
    bdaddr_t bdaddr;
536

    
537
    if (nb_hcis >= MAX_NICS) {
538
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
539
        return -1;
540
    }
541

    
542
    hci = hci_init(str);
543
    if (!hci)
544
        return -1;
545

    
546
    bdaddr.b[0] = 0x52;
547
    bdaddr.b[1] = 0x54;
548
    bdaddr.b[2] = 0x00;
549
    bdaddr.b[3] = 0x12;
550
    bdaddr.b[4] = 0x34;
551
    bdaddr.b[5] = 0x56 + nb_hcis;
552
    hci->bdaddr_set(hci, bdaddr.b);
553

    
554
    hci_table[nb_hcis++] = hci;
555

    
556
    return 0;
557
}
558

    
559
static void bt_vhci_add(int vlan_id)
560
{
561
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
562

    
563
    if (!vlan->slave)
564
        fprintf(stderr, "qemu: warning: adding a VHCI to "
565
                        "an empty scatternet %i\n", vlan_id);
566

    
567
    bt_vhci_init(bt_new_hci(vlan));
568
}
569

    
570
static struct bt_device_s *bt_device_add(const char *opt)
571
{
572
    struct bt_scatternet_s *vlan;
573
    int vlan_id = 0;
574
    char *endp = strstr(opt, ",vlan=");
575
    int len = (endp ? endp - opt : strlen(opt)) + 1;
576
    char devname[10];
577

    
578
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
579

    
580
    if (endp) {
581
        vlan_id = strtol(endp + 6, &endp, 0);
582
        if (*endp) {
583
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
584
            return 0;
585
        }
586
    }
587

    
588
    vlan = qemu_find_bt_vlan(vlan_id);
589

    
590
    if (!vlan->slave)
591
        fprintf(stderr, "qemu: warning: adding a slave device to "
592
                        "an empty scatternet %i\n", vlan_id);
593

    
594
    if (!strcmp(devname, "keyboard"))
595
        return bt_keyboard_init(vlan);
596

    
597
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
598
    return 0;
599
}
600

    
601
static int bt_parse(const char *opt)
602
{
603
    const char *endp, *p;
604
    int vlan;
605

    
606
    if (strstart(opt, "hci", &endp)) {
607
        if (!*endp || *endp == ',') {
608
            if (*endp)
609
                if (!strstart(endp, ",vlan=", 0))
610
                    opt = endp + 1;
611

    
612
            return bt_hci_parse(opt);
613
       }
614
    } else if (strstart(opt, "vhci", &endp)) {
615
        if (!*endp || *endp == ',') {
616
            if (*endp) {
617
                if (strstart(endp, ",vlan=", &p)) {
618
                    vlan = strtol(p, (char **) &endp, 0);
619
                    if (*endp) {
620
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
621
                        return 1;
622
                    }
623
                } else {
624
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
625
                    return 1;
626
                }
627
            } else
628
                vlan = 0;
629

    
630
            bt_vhci_add(vlan);
631
            return 0;
632
        }
633
    } else if (strstart(opt, "device:", &endp))
634
        return !bt_device_add(endp);
635

    
636
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
637
    return 1;
638
}
639

    
640
/***********************************************************/
641
/* QEMU Block devices */
642

    
643
#define HD_OPTS "media=disk"
644
#define CDROM_OPTS "media=cdrom"
645
#define FD_OPTS ""
646
#define PFLASH_OPTS ""
647
#define MTD_OPTS ""
648
#define SD_OPTS ""
649

    
650
static int drive_init_func(QemuOpts *opts, void *opaque)
651
{
652
    int *use_scsi = opaque;
653

    
654
    return drive_init(opts, *use_scsi) == NULL;
655
}
656

    
657
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
658
{
659
    if (NULL == qemu_opt_get(opts, "snapshot")) {
660
        qemu_opt_set(opts, "snapshot", "on");
661
    }
662
    return 0;
663
}
664

    
665
static void default_drive(int enable, int snapshot, int use_scsi,
666
                          BlockInterfaceType type, int index,
667
                          const char *optstr)
668
{
669
    QemuOpts *opts;
670

    
671
    if (type == IF_DEFAULT) {
672
        type = use_scsi ? IF_SCSI : IF_IDE;
673
    }
674

    
675
    if (!enable || drive_get_by_index(type, index)) {
676
        return;
677
    }
678

    
679
    opts = drive_add(type, index, NULL, optstr);
680
    if (snapshot) {
681
        drive_enable_snapshot(opts, NULL);
682
    }
683
    if (!drive_init(opts, use_scsi)) {
684
        exit(1);
685
    }
686
}
687

    
688
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
689
{
690
    boot_set_handler = func;
691
    boot_set_opaque = opaque;
692
}
693

    
694
int qemu_boot_set(const char *boot_devices)
695
{
696
    if (!boot_set_handler) {
697
        return -EINVAL;
698
    }
699
    return boot_set_handler(boot_set_opaque, boot_devices);
700
}
701

    
702
static void validate_bootdevices(char *devices)
703
{
704
    /* We just do some generic consistency checks */
705
    const char *p;
706
    int bitmap = 0;
707

    
708
    for (p = devices; *p != '\0'; p++) {
709
        /* Allowed boot devices are:
710
         * a-b: floppy disk drives
711
         * c-f: IDE disk drives
712
         * g-m: machine implementation dependant drives
713
         * n-p: network devices
714
         * It's up to each machine implementation to check if the given boot
715
         * devices match the actual hardware implementation and firmware
716
         * features.
717
         */
718
        if (*p < 'a' || *p > 'p') {
719
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
720
            exit(1);
721
        }
722
        if (bitmap & (1 << (*p - 'a'))) {
723
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
724
            exit(1);
725
        }
726
        bitmap |= 1 << (*p - 'a');
727
    }
728
}
729

    
730
static void restore_boot_devices(void *opaque)
731
{
732
    char *standard_boot_devices = opaque;
733
    static int first = 1;
734

    
735
    /* Restore boot order and remove ourselves after the first boot */
736
    if (first) {
737
        first = 0;
738
        return;
739
    }
740

    
741
    qemu_boot_set(standard_boot_devices);
742

    
743
    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
744
    g_free(standard_boot_devices);
745
}
746

    
747
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
748
                          const char *suffix)
749
{
750
    FWBootEntry *node, *i;
751

    
752
    if (bootindex < 0) {
753
        return;
754
    }
755

    
756
    assert(dev != NULL || suffix != NULL);
757

    
758
    node = g_malloc0(sizeof(FWBootEntry));
759
    node->bootindex = bootindex;
760
    node->suffix = suffix ? g_strdup(suffix) : NULL;
761
    node->dev = dev;
762

    
763
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
764
        if (i->bootindex == bootindex) {
765
            fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
766
            exit(1);
767
        } else if (i->bootindex < bootindex) {
768
            continue;
769
        }
770
        QTAILQ_INSERT_BEFORE(i, node, link);
771
        return;
772
    }
773
    QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
774
}
775

    
776
/*
777
 * This function returns null terminated string that consist of new line
778
 * separated device paths.
779
 *
780
 * memory pointed by "size" is assigned total length of the array in bytes
781
 *
782
 */
783
char *get_boot_devices_list(uint32_t *size)
784
{
785
    FWBootEntry *i;
786
    uint32_t total = 0;
787
    char *list = NULL;
788

    
789
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
790
        char *devpath = NULL, *bootpath;
791
        int len;
792

    
793
        if (i->dev) {
794
            devpath = qdev_get_fw_dev_path(i->dev);
795
            assert(devpath);
796
        }
797

    
798
        if (i->suffix && devpath) {
799
            size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
800

    
801
            bootpath = g_malloc(bootpathlen);
802
            snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
803
            g_free(devpath);
804
        } else if (devpath) {
805
            bootpath = devpath;
806
        } else {
807
            bootpath = g_strdup(i->suffix);
808
            assert(bootpath);
809
        }
810

    
811
        if (total) {
812
            list[total-1] = '\n';
813
        }
814
        len = strlen(bootpath) + 1;
815
        list = g_realloc(list, total + len);
816
        memcpy(&list[total], bootpath, len);
817
        total += len;
818
        g_free(bootpath);
819
    }
820

    
821
    *size = total;
822

    
823
    return list;
824
}
825

    
826
static void numa_add(const char *optarg)
827
{
828
    char option[128];
829
    char *endptr;
830
    unsigned long long value, endvalue;
831
    int nodenr;
832

    
833
    optarg = get_opt_name(option, 128, optarg, ',') + 1;
834
    if (!strcmp(option, "node")) {
835
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
836
            nodenr = nb_numa_nodes;
837
        } else {
838
            nodenr = strtoull(option, NULL, 10);
839
        }
840

    
841
        if (get_param_value(option, 128, "mem", optarg) == 0) {
842
            node_mem[nodenr] = 0;
843
        } else {
844
            int64_t sval;
845
            sval = strtosz(option, NULL);
846
            if (sval < 0) {
847
                fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
848
                exit(1);
849
            }
850
            node_mem[nodenr] = sval;
851
        }
852
        if (get_param_value(option, 128, "cpus", optarg) == 0) {
853
            node_cpumask[nodenr] = 0;
854
        } else {
855
            value = strtoull(option, &endptr, 10);
856
            if (value >= 64) {
857
                value = 63;
858
                fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
859
            } else {
860
                if (*endptr == '-') {
861
                    endvalue = strtoull(endptr+1, &endptr, 10);
862
                    if (endvalue >= 63) {
863
                        endvalue = 62;
864
                        fprintf(stderr,
865
                            "only 63 CPUs in NUMA mode supported.\n");
866
                    }
867
                    value = (2ULL << endvalue) - (1ULL << value);
868
                } else {
869
                    value = 1ULL << value;
870
                }
871
            }
872
            node_cpumask[nodenr] = value;
873
        }
874
        nb_numa_nodes++;
875
    }
876
    return;
877
}
878

    
879
static void smp_parse(const char *optarg)
880
{
881
    int smp, sockets = 0, threads = 0, cores = 0;
882
    char *endptr;
883
    char option[128];
884

    
885
    smp = strtoul(optarg, &endptr, 10);
886
    if (endptr != optarg) {
887
        if (*endptr == ',') {
888
            endptr++;
889
        }
890
    }
891
    if (get_param_value(option, 128, "sockets", endptr) != 0)
892
        sockets = strtoull(option, NULL, 10);
893
    if (get_param_value(option, 128, "cores", endptr) != 0)
894
        cores = strtoull(option, NULL, 10);
895
    if (get_param_value(option, 128, "threads", endptr) != 0)
896
        threads = strtoull(option, NULL, 10);
897
    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
898
        max_cpus = strtoull(option, NULL, 10);
899

    
900
    /* compute missing values, prefer sockets over cores over threads */
901
    if (smp == 0 || sockets == 0) {
902
        sockets = sockets > 0 ? sockets : 1;
903
        cores = cores > 0 ? cores : 1;
904
        threads = threads > 0 ? threads : 1;
905
        if (smp == 0) {
906
            smp = cores * threads * sockets;
907
        }
908
    } else {
909
        if (cores == 0) {
910
            threads = threads > 0 ? threads : 1;
911
            cores = smp / (sockets * threads);
912
        } else {
913
            threads = smp / (cores * sockets);
914
        }
915
    }
916
    smp_cpus = smp;
917
    smp_cores = cores > 0 ? cores : 1;
918
    smp_threads = threads > 0 ? threads : 1;
919
    if (max_cpus == 0)
920
        max_cpus = smp_cpus;
921
}
922

    
923
/***********************************************************/
924
/* USB devices */
925

    
926
static int usb_device_add(const char *devname)
927
{
928
    const char *p;
929
    USBDevice *dev = NULL;
930

    
931
    if (!usb_enabled)
932
        return -1;
933

    
934
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
935
    dev = usbdevice_create(devname);
936
    if (dev)
937
        goto done;
938

    
939
    /* the other ones */
940
#ifndef CONFIG_LINUX
941
    /* only the linux version is qdev-ified, usb-bsd still needs this */
942
    if (strstart(devname, "host:", &p)) {
943
        dev = usb_host_device_open(p);
944
    } else
945
#endif
946
    if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
947
        dev = usb_bt_init(devname[2] ? hci_init(p) :
948
                        bt_new_hci(qemu_find_bt_vlan(0)));
949
    } else {
950
        return -1;
951
    }
952
    if (!dev)
953
        return -1;
954

    
955
done:
956
    return 0;
957
}
958

    
959
static int usb_device_del(const char *devname)
960
{
961
    int bus_num, addr;
962
    const char *p;
963

    
964
    if (strstart(devname, "host:", &p))
965
        return usb_host_device_close(p);
966

    
967
    if (!usb_enabled)
968
        return -1;
969

    
970
    p = strchr(devname, '.');
971
    if (!p)
972
        return -1;
973
    bus_num = strtoul(devname, NULL, 0);
974
    addr = strtoul(p + 1, NULL, 0);
975

    
976
    return usb_device_delete_addr(bus_num, addr);
977
}
978

    
979
static int usb_parse(const char *cmdline)
980
{
981
    int r;
982
    r = usb_device_add(cmdline);
983
    if (r < 0) {
984
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
985
    }
986
    return r;
987
}
988

    
989
void do_usb_add(Monitor *mon, const QDict *qdict)
990
{
991
    const char *devname = qdict_get_str(qdict, "devname");
992
    if (usb_device_add(devname) < 0) {
993
        error_report("could not add USB device '%s'", devname);
994
    }
995
}
996

    
997
void do_usb_del(Monitor *mon, const QDict *qdict)
998
{
999
    const char *devname = qdict_get_str(qdict, "devname");
1000
    if (usb_device_del(devname) < 0) {
1001
        error_report("could not delete USB device '%s'", devname);
1002
    }
1003
}
1004

    
1005
/***********************************************************/
1006
/* PCMCIA/Cardbus */
1007

    
1008
static struct pcmcia_socket_entry_s {
1009
    PCMCIASocket *socket;
1010
    struct pcmcia_socket_entry_s *next;
1011
} *pcmcia_sockets = 0;
1012

    
1013
void pcmcia_socket_register(PCMCIASocket *socket)
1014
{
1015
    struct pcmcia_socket_entry_s *entry;
1016

    
1017
    entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1018
    entry->socket = socket;
1019
    entry->next = pcmcia_sockets;
1020
    pcmcia_sockets = entry;
1021
}
1022

    
1023
void pcmcia_socket_unregister(PCMCIASocket *socket)
1024
{
1025
    struct pcmcia_socket_entry_s *entry, **ptr;
1026

    
1027
    ptr = &pcmcia_sockets;
1028
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1029
        if (entry->socket == socket) {
1030
            *ptr = entry->next;
1031
            g_free(entry);
1032
        }
1033
}
1034

    
1035
void pcmcia_info(Monitor *mon)
1036
{
1037
    struct pcmcia_socket_entry_s *iter;
1038

    
1039
    if (!pcmcia_sockets)
1040
        monitor_printf(mon, "No PCMCIA sockets\n");
1041

    
1042
    for (iter = pcmcia_sockets; iter; iter = iter->next)
1043
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1044
                       iter->socket->attached ? iter->socket->card_string :
1045
                       "Empty");
1046
}
1047

    
1048
/***********************************************************/
1049
/* machine registration */
1050

    
1051
static QEMUMachine *first_machine = NULL;
1052
QEMUMachine *current_machine = NULL;
1053

    
1054
int qemu_register_machine(QEMUMachine *m)
1055
{
1056
    QEMUMachine **pm;
1057
    pm = &first_machine;
1058
    while (*pm != NULL)
1059
        pm = &(*pm)->next;
1060
    m->next = NULL;
1061
    *pm = m;
1062
    return 0;
1063
}
1064

    
1065
static QEMUMachine *find_machine(const char *name)
1066
{
1067
    QEMUMachine *m;
1068

    
1069
    for(m = first_machine; m != NULL; m = m->next) {
1070
        if (!strcmp(m->name, name))
1071
            return m;
1072
        if (m->alias && !strcmp(m->alias, name))
1073
            return m;
1074
    }
1075
    return NULL;
1076
}
1077

    
1078
static QEMUMachine *find_default_machine(void)
1079
{
1080
    QEMUMachine *m;
1081

    
1082
    for(m = first_machine; m != NULL; m = m->next) {
1083
        if (m->is_default) {
1084
            return m;
1085
        }
1086
    }
1087
    return NULL;
1088
}
1089

    
1090
/***********************************************************/
1091
/* main execution loop */
1092

    
1093
static void gui_update(void *opaque)
1094
{
1095
    uint64_t interval = GUI_REFRESH_INTERVAL;
1096
    DisplayState *ds = opaque;
1097
    DisplayChangeListener *dcl = ds->listeners;
1098

    
1099
    qemu_flush_coalesced_mmio_buffer();
1100
    dpy_refresh(ds);
1101

    
1102
    while (dcl != NULL) {
1103
        if (dcl->gui_timer_interval &&
1104
            dcl->gui_timer_interval < interval)
1105
            interval = dcl->gui_timer_interval;
1106
        dcl = dcl->next;
1107
    }
1108
    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1109
}
1110

    
1111
static void nographic_update(void *opaque)
1112
{
1113
    uint64_t interval = GUI_REFRESH_INTERVAL;
1114

    
1115
    qemu_flush_coalesced_mmio_buffer();
1116
    qemu_mod_timer(nographic_timer, interval + qemu_get_clock_ms(rt_clock));
1117
}
1118

    
1119
struct vm_change_state_entry {
1120
    VMChangeStateHandler *cb;
1121
    void *opaque;
1122
    QLIST_ENTRY (vm_change_state_entry) entries;
1123
};
1124

    
1125
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1126

    
1127
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1128
                                                     void *opaque)
1129
{
1130
    VMChangeStateEntry *e;
1131

    
1132
    e = g_malloc0(sizeof (*e));
1133

    
1134
    e->cb = cb;
1135
    e->opaque = opaque;
1136
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1137
    return e;
1138
}
1139

    
1140
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1141
{
1142
    QLIST_REMOVE (e, entries);
1143
    g_free (e);
1144
}
1145

    
1146
void vm_state_notify(int running, int reason)
1147
{
1148
    VMChangeStateEntry *e;
1149

    
1150
    trace_vm_state_notify(running, reason);
1151

    
1152
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1153
        e->cb(e->opaque, running, reason);
1154
    }
1155
}
1156

    
1157
void vm_start(void)
1158
{
1159
    if (!vm_running) {
1160
        cpu_enable_ticks();
1161
        vm_running = 1;
1162
        vm_state_notify(1, 0);
1163
        resume_all_vcpus();
1164
        monitor_protocol_event(QEVENT_RESUME, NULL);
1165
    }
1166
}
1167

    
1168
/* reset/shutdown handler */
1169

    
1170
typedef struct QEMUResetEntry {
1171
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1172
    QEMUResetHandler *func;
1173
    void *opaque;
1174
} QEMUResetEntry;
1175

    
1176
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1177
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1178
static int reset_requested;
1179
static int shutdown_requested, shutdown_signal = -1;
1180
static pid_t shutdown_pid;
1181
static int powerdown_requested;
1182
static int debug_requested;
1183
static int vmstop_requested;
1184

    
1185
int qemu_shutdown_requested_get(void)
1186
{
1187
    return shutdown_requested;
1188
}
1189

    
1190
int qemu_reset_requested_get(void)
1191
{
1192
    return reset_requested;
1193
}
1194

    
1195
int qemu_shutdown_requested(void)
1196
{
1197
    int r = shutdown_requested;
1198
    shutdown_requested = 0;
1199
    return r;
1200
}
1201

    
1202
void qemu_kill_report(void)
1203
{
1204
    if (shutdown_signal != -1) {
1205
        fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1206
        if (shutdown_pid == 0) {
1207
            /* This happens for eg ^C at the terminal, so it's worth
1208
             * avoiding printing an odd message in that case.
1209
             */
1210
            fputc('\n', stderr);
1211
        } else {
1212
            fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1213
        }
1214
        shutdown_signal = -1;
1215
    }
1216
}
1217

    
1218
int qemu_reset_requested(void)
1219
{
1220
    int r = reset_requested;
1221
    reset_requested = 0;
1222
    return r;
1223
}
1224

    
1225
int qemu_powerdown_requested(void)
1226
{
1227
    int r = powerdown_requested;
1228
    powerdown_requested = 0;
1229
    return r;
1230
}
1231

    
1232
static int qemu_debug_requested(void)
1233
{
1234
    int r = debug_requested;
1235
    debug_requested = 0;
1236
    return r;
1237
}
1238

    
1239
static int qemu_vmstop_requested(void)
1240
{
1241
    int r = vmstop_requested;
1242
    vmstop_requested = 0;
1243
    return r;
1244
}
1245

    
1246
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1247
{
1248
    QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1249

    
1250
    re->func = func;
1251
    re->opaque = opaque;
1252
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1253
}
1254

    
1255
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1256
{
1257
    QEMUResetEntry *re;
1258

    
1259
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1260
        if (re->func == func && re->opaque == opaque) {
1261
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1262
            g_free(re);
1263
            return;
1264
        }
1265
    }
1266
}
1267

    
1268
void qemu_system_reset(bool report)
1269
{
1270
    QEMUResetEntry *re, *nre;
1271

    
1272
    /* reset all devices */
1273
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1274
        re->func(re->opaque);
1275
    }
1276
    if (report) {
1277
        monitor_protocol_event(QEVENT_RESET, NULL);
1278
    }
1279
    cpu_synchronize_all_post_reset();
1280
}
1281

    
1282
void qemu_system_reset_request(void)
1283
{
1284
    if (no_reboot) {
1285
        shutdown_requested = 1;
1286
    } else {
1287
        reset_requested = 1;
1288
    }
1289
    cpu_stop_current();
1290
    qemu_notify_event();
1291
}
1292

    
1293
void qemu_system_killed(int signal, pid_t pid)
1294
{
1295
    shutdown_signal = signal;
1296
    shutdown_pid = pid;
1297
    qemu_system_shutdown_request();
1298
}
1299

    
1300
void qemu_system_shutdown_request(void)
1301
{
1302
    shutdown_requested = 1;
1303
    qemu_notify_event();
1304
}
1305

    
1306
void qemu_system_powerdown_request(void)
1307
{
1308
    powerdown_requested = 1;
1309
    qemu_notify_event();
1310
}
1311

    
1312
void qemu_system_debug_request(void)
1313
{
1314
    debug_requested = 1;
1315
    qemu_notify_event();
1316
}
1317

    
1318
void qemu_system_vmstop_request(int reason)
1319
{
1320
    vmstop_requested = reason;
1321
    qemu_notify_event();
1322
}
1323

    
1324
int main_loop_wait(int nonblocking)
1325
{
1326
    fd_set rfds, wfds, xfds;
1327
    int ret, nfds;
1328
    struct timeval tv;
1329
    int timeout;
1330

    
1331
    if (nonblocking)
1332
        timeout = 0;
1333
    else {
1334
        timeout = qemu_calculate_timeout();
1335
        qemu_bh_update_timeout(&timeout);
1336
    }
1337

    
1338
    os_host_main_loop_wait(&timeout);
1339

    
1340
    tv.tv_sec = timeout / 1000;
1341
    tv.tv_usec = (timeout % 1000) * 1000;
1342

    
1343
    /* poll any events */
1344
    /* XXX: separate device handlers from system ones */
1345
    nfds = -1;
1346
    FD_ZERO(&rfds);
1347
    FD_ZERO(&wfds);
1348
    FD_ZERO(&xfds);
1349
    qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1350
    slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1351

    
1352
    if (timeout > 0) {
1353
        qemu_mutex_unlock_iothread();
1354
    }
1355

    
1356
    ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1357

    
1358
    if (timeout > 0) {
1359
        qemu_mutex_lock_iothread();
1360
    }
1361

    
1362
    qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1363
    slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1364

    
1365
    qemu_run_all_timers();
1366

    
1367
    /* Check bottom-halves last in case any of the earlier events triggered
1368
       them.  */
1369
    qemu_bh_poll();
1370

    
1371
    return ret;
1372
}
1373

    
1374
#ifndef CONFIG_IOTHREAD
1375
static int vm_request_pending(void)
1376
{
1377
    return powerdown_requested ||
1378
           reset_requested ||
1379
           shutdown_requested ||
1380
           debug_requested ||
1381
           vmstop_requested;
1382
}
1383
#endif
1384

    
1385
qemu_irq qemu_system_powerdown;
1386

    
1387
static void main_loop(void)
1388
{
1389
    bool nonblocking;
1390
    int last_io __attribute__ ((unused)) = 0;
1391
#ifdef CONFIG_PROFILER
1392
    int64_t ti;
1393
#endif
1394
    int r;
1395

    
1396
    qemu_main_loop_start();
1397

    
1398
    for (;;) {
1399
#ifdef CONFIG_IOTHREAD
1400
        nonblocking = !kvm_enabled() && last_io > 0;
1401
#else
1402
        nonblocking = cpu_exec_all();
1403
        if (vm_request_pending()) {
1404
            nonblocking = true;
1405
        }
1406
#endif
1407
#ifdef CONFIG_PROFILER
1408
        ti = profile_getclock();
1409
#endif
1410
        last_io = main_loop_wait(nonblocking);
1411
#ifdef CONFIG_PROFILER
1412
        dev_time += profile_getclock() - ti;
1413
#endif
1414

    
1415
        if (qemu_debug_requested()) {
1416
            vm_stop(VMSTOP_DEBUG);
1417
        }
1418
        if (qemu_shutdown_requested()) {
1419
            qemu_kill_report();
1420
            monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1421
            if (no_shutdown) {
1422
                vm_stop(VMSTOP_SHUTDOWN);
1423
            } else
1424
                break;
1425
        }
1426
        if (qemu_reset_requested()) {
1427
            pause_all_vcpus();
1428
            cpu_synchronize_all_states();
1429
            qemu_system_reset(VMRESET_REPORT);
1430
            resume_all_vcpus();
1431
        }
1432
        if (qemu_powerdown_requested()) {
1433
            monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1434
            qemu_irq_raise(qemu_system_powerdown);
1435
        }
1436
        if ((r = qemu_vmstop_requested())) {
1437
            vm_stop(r);
1438
        }
1439
    }
1440
    bdrv_close_all();
1441
    pause_all_vcpus();
1442
}
1443

    
1444
static void version(void)
1445
{
1446
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1447
}
1448

    
1449
static void help(int exitcode)
1450
{
1451
    const char *options_help =
1452
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
1453
        opt_help
1454
#define DEFHEADING(text) stringify(text) "\n"
1455
#include "qemu-options.def"
1456
#undef DEF
1457
#undef DEFHEADING
1458
#undef GEN_DOCS
1459
        ;
1460
    version();
1461
    printf("usage: %s [options] [disk_image]\n"
1462
           "\n"
1463
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1464
           "\n"
1465
           "%s\n"
1466
           "During emulation, the following keys are useful:\n"
1467
           "ctrl-alt-f      toggle full screen\n"
1468
           "ctrl-alt-n      switch to virtual console 'n'\n"
1469
           "ctrl-alt        toggle mouse and keyboard grab\n"
1470
           "\n"
1471
           "When using -nographic, press 'ctrl-a h' to get some help.\n",
1472
           "qemu",
1473
           options_help);
1474
    exit(exitcode);
1475
}
1476

    
1477
#define HAS_ARG 0x0001
1478

    
1479
typedef struct QEMUOption {
1480
    const char *name;
1481
    int flags;
1482
    int index;
1483
    uint32_t arch_mask;
1484
} QEMUOption;
1485

    
1486
static const QEMUOption qemu_options[] = {
1487
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1488
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)     \
1489
    { option, opt_arg, opt_enum, arch_mask },
1490
#define DEFHEADING(text)
1491
#include "qemu-options.def"
1492
#undef DEF
1493
#undef DEFHEADING
1494
#undef GEN_DOCS
1495
    { NULL },
1496
};
1497
static void select_vgahw (const char *p)
1498
{
1499
    const char *opts;
1500

    
1501
    default_vga = 0;
1502
    vga_interface_type = VGA_NONE;
1503
    if (strstart(p, "std", &opts)) {
1504
        vga_interface_type = VGA_STD;
1505
    } else if (strstart(p, "cirrus", &opts)) {
1506
        vga_interface_type = VGA_CIRRUS;
1507
    } else if (strstart(p, "vmware", &opts)) {
1508
        vga_interface_type = VGA_VMWARE;
1509
    } else if (strstart(p, "xenfb", &opts)) {
1510
        vga_interface_type = VGA_XENFB;
1511
    } else if (strstart(p, "qxl", &opts)) {
1512
        vga_interface_type = VGA_QXL;
1513
    } else if (!strstart(p, "none", &opts)) {
1514
    invalid_vga:
1515
        fprintf(stderr, "Unknown vga type: %s\n", p);
1516
        exit(1);
1517
    }
1518
    while (*opts) {
1519
        const char *nextopt;
1520

    
1521
        if (strstart(opts, ",retrace=", &nextopt)) {
1522
            opts = nextopt;
1523
            if (strstart(opts, "dumb", &nextopt))
1524
                vga_retrace_method = VGA_RETRACE_DUMB;
1525
            else if (strstart(opts, "precise", &nextopt))
1526
                vga_retrace_method = VGA_RETRACE_PRECISE;
1527
            else goto invalid_vga;
1528
        } else goto invalid_vga;
1529
        opts = nextopt;
1530
    }
1531
}
1532

    
1533
static DisplayType select_display(const char *p)
1534
{
1535
    const char *opts;
1536
    DisplayType display = DT_DEFAULT;
1537

    
1538
    if (strstart(p, "sdl", &opts)) {
1539
#ifdef CONFIG_SDL
1540
        display = DT_SDL;
1541
        while (*opts) {
1542
            const char *nextopt;
1543

    
1544
            if (strstart(opts, ",frame=", &nextopt)) {
1545
                opts = nextopt;
1546
                if (strstart(opts, "on", &nextopt)) {
1547
                    no_frame = 0;
1548
                } else if (strstart(opts, "off", &nextopt)) {
1549
                    no_frame = 1;
1550
                } else {
1551
                    goto invalid_sdl_args;
1552
                }
1553
            } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1554
                opts = nextopt;
1555
                if (strstart(opts, "on", &nextopt)) {
1556
                    alt_grab = 1;
1557
                } else if (strstart(opts, "off", &nextopt)) {
1558
                    alt_grab = 0;
1559
                } else {
1560
                    goto invalid_sdl_args;
1561
                }
1562
            } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1563
                opts = nextopt;
1564
                if (strstart(opts, "on", &nextopt)) {
1565
                    ctrl_grab = 1;
1566
                } else if (strstart(opts, "off", &nextopt)) {
1567
                    ctrl_grab = 0;
1568
                } else {
1569
                    goto invalid_sdl_args;
1570
                }
1571
            } else if (strstart(opts, ",window_close=", &nextopt)) {
1572
                opts = nextopt;
1573
                if (strstart(opts, "on", &nextopt)) {
1574
                    no_quit = 0;
1575
                } else if (strstart(opts, "off", &nextopt)) {
1576
                    no_quit = 1;
1577
                } else {
1578
                    goto invalid_sdl_args;
1579
                }
1580
            } else {
1581
            invalid_sdl_args:
1582
                fprintf(stderr, "Invalid SDL option string: %s\n", p);
1583
                exit(1);
1584
            }
1585
            opts = nextopt;
1586
        }
1587
#else
1588
        fprintf(stderr, "SDL support is disabled\n");
1589
        exit(1);
1590
#endif
1591
    } else if (strstart(p, "vnc", &opts)) {
1592
#ifdef CONFIG_VNC
1593
        display_remote++;
1594

    
1595
        if (*opts) {
1596
            const char *nextopt;
1597

    
1598
            if (strstart(opts, "=", &nextopt)) {
1599
                vnc_display = nextopt;
1600
            }
1601
        }
1602
        if (!vnc_display) {
1603
            fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1604
            exit(1);
1605
        }
1606
#else
1607
        fprintf(stderr, "VNC support is disabled\n");
1608
        exit(1);
1609
#endif
1610
    } else if (strstart(p, "curses", &opts)) {
1611
#ifdef CONFIG_CURSES
1612
        display = DT_CURSES;
1613
#else
1614
        fprintf(stderr, "Curses support is disabled\n");
1615
        exit(1);
1616
#endif
1617
    } else if (strstart(p, "none", &opts)) {
1618
        display = DT_NONE;
1619
    } else {
1620
        fprintf(stderr, "Unknown display type: %s\n", p);
1621
        exit(1);
1622
    }
1623

    
1624
    return display;
1625
}
1626

    
1627
static int balloon_parse(const char *arg)
1628
{
1629
    QemuOpts *opts;
1630

    
1631
    if (strcmp(arg, "none") == 0) {
1632
        return 0;
1633
    }
1634

    
1635
    if (!strncmp(arg, "virtio", 6)) {
1636
        if (arg[6] == ',') {
1637
            /* have params -> parse them */
1638
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1639
            if (!opts)
1640
                return  -1;
1641
        } else {
1642
            /* create empty opts */
1643
            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1644
        }
1645
        qemu_opt_set(opts, "driver", "virtio-balloon");
1646
        return 0;
1647
    }
1648

    
1649
    return -1;
1650
}
1651

    
1652
char *qemu_find_file(int type, const char *name)
1653
{
1654
    int len;
1655
    const char *subdir;
1656
    char *buf;
1657

    
1658
    /* If name contains path separators then try it as a straight path.  */
1659
    if ((strchr(name, '/') || strchr(name, '\\'))
1660
        && access(name, R_OK) == 0) {
1661
        return g_strdup(name);
1662
    }
1663
    switch (type) {
1664
    case QEMU_FILE_TYPE_BIOS:
1665
        subdir = "";
1666
        break;
1667
    case QEMU_FILE_TYPE_KEYMAP:
1668
        subdir = "keymaps/";
1669
        break;
1670
    default:
1671
        abort();
1672
    }
1673
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1674
    buf = g_malloc0(len);
1675
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1676
    if (access(buf, R_OK)) {
1677
        g_free(buf);
1678
        return NULL;
1679
    }
1680
    return buf;
1681
}
1682

    
1683
static int device_help_func(QemuOpts *opts, void *opaque)
1684
{
1685
    return qdev_device_help(opts);
1686
}
1687

    
1688
static int device_init_func(QemuOpts *opts, void *opaque)
1689
{
1690
    DeviceState *dev;
1691

    
1692
    dev = qdev_device_add(opts);
1693
    if (!dev)
1694
        return -1;
1695
    return 0;
1696
}
1697

    
1698
static int chardev_init_func(QemuOpts *opts, void *opaque)
1699
{
1700
    CharDriverState *chr;
1701

    
1702
    chr = qemu_chr_new_from_opts(opts, NULL);
1703
    if (!chr)
1704
        return -1;
1705
    return 0;
1706
}
1707

    
1708
#ifdef CONFIG_VIRTFS
1709
static int fsdev_init_func(QemuOpts *opts, void *opaque)
1710
{
1711
    int ret;
1712
    ret = qemu_fsdev_add(opts);
1713

    
1714
    return ret;
1715
}
1716
#endif
1717

    
1718
static int mon_init_func(QemuOpts *opts, void *opaque)
1719
{
1720
    CharDriverState *chr;
1721
    const char *chardev;
1722
    const char *mode;
1723
    int flags;
1724

    
1725
    mode = qemu_opt_get(opts, "mode");
1726
    if (mode == NULL) {
1727
        mode = "readline";
1728
    }
1729
    if (strcmp(mode, "readline") == 0) {
1730
        flags = MONITOR_USE_READLINE;
1731
    } else if (strcmp(mode, "control") == 0) {
1732
        flags = MONITOR_USE_CONTROL;
1733
    } else {
1734
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1735
        exit(1);
1736
    }
1737

    
1738
    if (qemu_opt_get_bool(opts, "pretty", 0))
1739
        flags |= MONITOR_USE_PRETTY;
1740

    
1741
    if (qemu_opt_get_bool(opts, "default", 0))
1742
        flags |= MONITOR_IS_DEFAULT;
1743

    
1744
    chardev = qemu_opt_get(opts, "chardev");
1745
    chr = qemu_chr_find(chardev);
1746
    if (chr == NULL) {
1747
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1748
        exit(1);
1749
    }
1750

    
1751
    monitor_init(chr, flags);
1752
    return 0;
1753
}
1754

    
1755
static void monitor_parse(const char *optarg, const char *mode)
1756
{
1757
    static int monitor_device_index = 0;
1758
    QemuOpts *opts;
1759
    const char *p;
1760
    char label[32];
1761
    int def = 0;
1762

    
1763
    if (strstart(optarg, "chardev:", &p)) {
1764
        snprintf(label, sizeof(label), "%s", p);
1765
    } else {
1766
        snprintf(label, sizeof(label), "compat_monitor%d",
1767
                 monitor_device_index);
1768
        if (monitor_device_index == 0) {
1769
            def = 1;
1770
        }
1771
        opts = qemu_chr_parse_compat(label, optarg);
1772
        if (!opts) {
1773
            fprintf(stderr, "parse error: %s\n", optarg);
1774
            exit(1);
1775
        }
1776
    }
1777

    
1778
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1779
    if (!opts) {
1780
        fprintf(stderr, "duplicate chardev: %s\n", label);
1781
        exit(1);
1782
    }
1783
    qemu_opt_set(opts, "mode", mode);
1784
    qemu_opt_set(opts, "chardev", label);
1785
    if (def)
1786
        qemu_opt_set(opts, "default", "on");
1787
    monitor_device_index++;
1788
}
1789

    
1790
struct device_config {
1791
    enum {
1792
        DEV_USB,       /* -usbdevice     */
1793
        DEV_BT,        /* -bt            */
1794
        DEV_SERIAL,    /* -serial        */
1795
        DEV_PARALLEL,  /* -parallel      */
1796
        DEV_VIRTCON,   /* -virtioconsole */
1797
        DEV_DEBUGCON,  /* -debugcon */
1798
    } type;
1799
    const char *cmdline;
1800
    QTAILQ_ENTRY(device_config) next;
1801
};
1802
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1803

    
1804
static void add_device_config(int type, const char *cmdline)
1805
{
1806
    struct device_config *conf;
1807

    
1808
    conf = g_malloc0(sizeof(*conf));
1809
    conf->type = type;
1810
    conf->cmdline = cmdline;
1811
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1812
}
1813

    
1814
static int foreach_device_config(int type, int (*func)(const char *cmdline))
1815
{
1816
    struct device_config *conf;
1817
    int rc;
1818

    
1819
    QTAILQ_FOREACH(conf, &device_configs, next) {
1820
        if (conf->type != type)
1821
            continue;
1822
        rc = func(conf->cmdline);
1823
        if (0 != rc)
1824
            return rc;
1825
    }
1826
    return 0;
1827
}
1828

    
1829
static int serial_parse(const char *devname)
1830
{
1831
    static int index = 0;
1832
    char label[32];
1833

    
1834
    if (strcmp(devname, "none") == 0)
1835
        return 0;
1836
    if (index == MAX_SERIAL_PORTS) {
1837
        fprintf(stderr, "qemu: too many serial ports\n");
1838
        exit(1);
1839
    }
1840
    snprintf(label, sizeof(label), "serial%d", index);
1841
    serial_hds[index] = qemu_chr_new(label, devname, NULL);
1842
    if (!serial_hds[index]) {
1843
        fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1844
                devname, strerror(errno));
1845
        return -1;
1846
    }
1847
    index++;
1848
    return 0;
1849
}
1850

    
1851
static int parallel_parse(const char *devname)
1852
{
1853
    static int index = 0;
1854
    char label[32];
1855

    
1856
    if (strcmp(devname, "none") == 0)
1857
        return 0;
1858
    if (index == MAX_PARALLEL_PORTS) {
1859
        fprintf(stderr, "qemu: too many parallel ports\n");
1860
        exit(1);
1861
    }
1862
    snprintf(label, sizeof(label), "parallel%d", index);
1863
    parallel_hds[index] = qemu_chr_new(label, devname, NULL);
1864
    if (!parallel_hds[index]) {
1865
        fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1866
                devname, strerror(errno));
1867
        return -1;
1868
    }
1869
    index++;
1870
    return 0;
1871
}
1872

    
1873
static int virtcon_parse(const char *devname)
1874
{
1875
    QemuOptsList *device = qemu_find_opts("device");
1876
    static int index = 0;
1877
    char label[32];
1878
    QemuOpts *bus_opts, *dev_opts;
1879

    
1880
    if (strcmp(devname, "none") == 0)
1881
        return 0;
1882
    if (index == MAX_VIRTIO_CONSOLES) {
1883
        fprintf(stderr, "qemu: too many virtio consoles\n");
1884
        exit(1);
1885
    }
1886

    
1887
    bus_opts = qemu_opts_create(device, NULL, 0);
1888
    qemu_opt_set(bus_opts, "driver", "virtio-serial");
1889

    
1890
    dev_opts = qemu_opts_create(device, NULL, 0);
1891
    qemu_opt_set(dev_opts, "driver", "virtconsole");
1892

    
1893
    snprintf(label, sizeof(label), "virtcon%d", index);
1894
    virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
1895
    if (!virtcon_hds[index]) {
1896
        fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1897
                devname, strerror(errno));
1898
        return -1;
1899
    }
1900
    qemu_opt_set(dev_opts, "chardev", label);
1901

    
1902
    index++;
1903
    return 0;
1904
}
1905

    
1906
static int debugcon_parse(const char *devname)
1907
{   
1908
    QemuOpts *opts;
1909

    
1910
    if (!qemu_chr_new("debugcon", devname, NULL)) {
1911
        exit(1);
1912
    }
1913
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1914
    if (!opts) {
1915
        fprintf(stderr, "qemu: already have a debugcon device\n");
1916
        exit(1);
1917
    }
1918
    qemu_opt_set(opts, "driver", "isa-debugcon");
1919
    qemu_opt_set(opts, "chardev", "debugcon");
1920
    return 0;
1921
}
1922

    
1923
static QEMUMachine *machine_parse(const char *name)
1924
{
1925
    QEMUMachine *m, *machine = NULL;
1926

    
1927
    if (name) {
1928
        machine = find_machine(name);
1929
    }
1930
    if (machine) {
1931
        return machine;
1932
    }
1933
    printf("Supported machines are:\n");
1934
    for (m = first_machine; m != NULL; m = m->next) {
1935
        if (m->alias) {
1936
            printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name);
1937
        }
1938
        printf("%-10s %s%s\n", m->name, m->desc,
1939
               m->is_default ? " (default)" : "");
1940
    }
1941
    exit(!name || *name != '?');
1942
}
1943

    
1944
static int tcg_init(void)
1945
{
1946
    tcg_exec_init(tcg_tb_size * 1024 * 1024);
1947
    return 0;
1948
}
1949

    
1950
static struct {
1951
    const char *opt_name;
1952
    const char *name;
1953
    int (*available)(void);
1954
    int (*init)(void);
1955
    int *allowed;
1956
} accel_list[] = {
1957
    { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
1958
    { "xen", "Xen", xen_available, xen_init, &xen_allowed },
1959
    { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
1960
};
1961

    
1962
static int configure_accelerator(void)
1963
{
1964
    const char *p = NULL;
1965
    char buf[10];
1966
    int i, ret;
1967
    bool accel_initalised = 0;
1968
    bool init_failed = 0;
1969

    
1970
    QemuOptsList *list = qemu_find_opts("machine");
1971
    if (!QTAILQ_EMPTY(&list->head)) {
1972
        p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
1973
    }
1974

    
1975
    if (p == NULL) {
1976
        /* Use the default "accelerator", tcg */
1977
        p = "tcg";
1978
    }
1979

    
1980
    while (!accel_initalised && *p != '\0') {
1981
        if (*p == ':') {
1982
            p++;
1983
        }
1984
        p = get_opt_name(buf, sizeof (buf), p, ':');
1985
        for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
1986
            if (strcmp(accel_list[i].opt_name, buf) == 0) {
1987
                *(accel_list[i].allowed) = 1;
1988
                ret = accel_list[i].init();
1989
                if (ret < 0) {
1990
                    init_failed = 1;
1991
                    if (!accel_list[i].available()) {
1992
                        printf("%s not supported for this target\n",
1993
                               accel_list[i].name);
1994
                    } else {
1995
                        fprintf(stderr, "failed to initialize %s: %s\n",
1996
                                accel_list[i].name,
1997
                                strerror(-ret));
1998
                    }
1999
                    *(accel_list[i].allowed) = 0;
2000
                } else {
2001
                    accel_initalised = 1;
2002
                }
2003
                break;
2004
            }
2005
        }
2006
        if (i == ARRAY_SIZE(accel_list)) {
2007
            fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2008
        }
2009
    }
2010

    
2011
    if (!accel_initalised) {
2012
        fprintf(stderr, "No accelerator found!\n");
2013
        exit(1);
2014
    }
2015

    
2016
    if (init_failed) {
2017
        fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2018
    }
2019

    
2020
    return !accel_initalised;
2021
}
2022

    
2023
void qemu_add_exit_notifier(Notifier *notify)
2024
{
2025
    notifier_list_add(&exit_notifiers, notify);
2026
}
2027

    
2028
void qemu_remove_exit_notifier(Notifier *notify)
2029
{
2030
    notifier_list_remove(&exit_notifiers, notify);
2031
}
2032

    
2033
static void qemu_run_exit_notifiers(void)
2034
{
2035
    notifier_list_notify(&exit_notifiers, NULL);
2036
}
2037

    
2038
void qemu_add_machine_init_done_notifier(Notifier *notify)
2039
{
2040
    notifier_list_add(&machine_init_done_notifiers, notify);
2041
}
2042

    
2043
static void qemu_run_machine_init_done_notifiers(void)
2044
{
2045
    notifier_list_notify(&machine_init_done_notifiers, NULL);
2046
}
2047

    
2048
static const QEMUOption *lookup_opt(int argc, char **argv,
2049
                                    const char **poptarg, int *poptind)
2050
{
2051
    const QEMUOption *popt;
2052
    int optind = *poptind;
2053
    char *r = argv[optind];
2054
    const char *optarg;
2055

    
2056
    loc_set_cmdline(argv, optind, 1);
2057
    optind++;
2058
    /* Treat --foo the same as -foo.  */
2059
    if (r[1] == '-')
2060
        r++;
2061
    popt = qemu_options;
2062
    for(;;) {
2063
        if (!popt->name) {
2064
            error_report("invalid option");
2065
            exit(1);
2066
        }
2067
        if (!strcmp(popt->name, r + 1))
2068
            break;
2069
        popt++;
2070
    }
2071
    if (popt->flags & HAS_ARG) {
2072
        if (optind >= argc) {
2073
            error_report("requires an argument");
2074
            exit(1);
2075
        }
2076
        optarg = argv[optind++];
2077
        loc_set_cmdline(argv, optind - 2, 2);
2078
    } else {
2079
        optarg = NULL;
2080
    }
2081

    
2082
    *poptarg = optarg;
2083
    *poptind = optind;
2084

    
2085
    return popt;
2086
}
2087

    
2088
static gpointer malloc_and_trace(gsize n_bytes)
2089
{
2090
    void *ptr = malloc(n_bytes);
2091
    trace_qemu_malloc(n_bytes, ptr);
2092
    return ptr;
2093
}
2094

    
2095
static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2096
{
2097
    void *ptr = realloc(mem, n_bytes);
2098
    trace_qemu_realloc(mem, n_bytes, ptr);
2099
    return ptr;
2100
}
2101

    
2102
static void free_and_trace(gpointer mem)
2103
{
2104
    trace_qemu_free(mem);
2105
    free(mem);
2106
}
2107

    
2108
int main(int argc, char **argv, char **envp)
2109
{
2110
    const char *gdbstub_dev = NULL;
2111
    int i;
2112
    int snapshot, linux_boot;
2113
    const char *icount_option = NULL;
2114
    const char *initrd_filename;
2115
    const char *kernel_filename, *kernel_cmdline;
2116
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2117
    DisplayState *ds;
2118
    DisplayChangeListener *dcl;
2119
    int cyls, heads, secs, translation;
2120
    QemuOpts *hda_opts = NULL, *opts;
2121
    QemuOptsList *olist;
2122
    int optind;
2123
    const char *optarg;
2124
    const char *loadvm = NULL;
2125
    QEMUMachine *machine;
2126
    const char *cpu_model;
2127
    const char *pid_file = NULL;
2128
    const char *incoming = NULL;
2129
#ifdef CONFIG_VNC
2130
    int show_vnc_port = 0;
2131
#endif
2132
    int defconfig = 1;
2133
    const char *trace_file = NULL;
2134
    const char *log_mask = NULL;
2135
    const char *log_file = NULL;
2136
    GMemVTable mem_trace = {
2137
        .malloc = malloc_and_trace,
2138
        .realloc = realloc_and_trace,
2139
        .free = free_and_trace,
2140
    };
2141

    
2142
    atexit(qemu_run_exit_notifiers);
2143
    error_set_progname(argv[0]);
2144

    
2145
    g_mem_set_vtable(&mem_trace);
2146

    
2147
    init_clocks();
2148

    
2149
    qemu_cache_utils_init(envp);
2150

    
2151
    QLIST_INIT (&vm_change_state_head);
2152
    os_setup_early_signal_handling();
2153

    
2154
    module_call_init(MODULE_INIT_MACHINE);
2155
    machine = find_default_machine();
2156
    cpu_model = NULL;
2157
    initrd_filename = NULL;
2158
    ram_size = 0;
2159
    snapshot = 0;
2160
    kernel_filename = NULL;
2161
    kernel_cmdline = "";
2162
    cyls = heads = secs = 0;
2163
    translation = BIOS_ATA_TRANSLATION_AUTO;
2164

    
2165
    for (i = 0; i < MAX_NODES; i++) {
2166
        node_mem[i] = 0;
2167
        node_cpumask[i] = 0;
2168
    }
2169

    
2170
    nb_numa_nodes = 0;
2171
    nb_nics = 0;
2172

    
2173
    autostart= 1;
2174

    
2175
    /* first pass of option parsing */
2176
    optind = 1;
2177
    while (optind < argc) {
2178
        if (argv[optind][0] != '-') {
2179
            /* disk image */
2180
            optind++;
2181
            continue;
2182
        } else {
2183
            const QEMUOption *popt;
2184

    
2185
            popt = lookup_opt(argc, argv, &optarg, &optind);
2186
            switch (popt->index) {
2187
            case QEMU_OPTION_nodefconfig:
2188
                defconfig=0;
2189
                break;
2190
            }
2191
        }
2192
    }
2193

    
2194
    if (defconfig) {
2195
        int ret;
2196

    
2197
        ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2198
        if (ret < 0 && ret != -ENOENT) {
2199
            exit(1);
2200
        }
2201

    
2202
        ret = qemu_read_config_file(arch_config_name);
2203
        if (ret < 0 && ret != -ENOENT) {
2204
            exit(1);
2205
        }
2206
    }
2207
    cpudef_init();
2208

    
2209
    /* second pass of option parsing */
2210
    optind = 1;
2211
    for(;;) {
2212
        if (optind >= argc)
2213
            break;
2214
        if (argv[optind][0] != '-') {
2215
            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2216
        } else {
2217
            const QEMUOption *popt;
2218

    
2219
            popt = lookup_opt(argc, argv, &optarg, &optind);
2220
            if (!(popt->arch_mask & arch_type)) {
2221
                printf("Option %s not supported for this target\n", popt->name);
2222
                exit(1);
2223
            }
2224
            switch(popt->index) {
2225
            case QEMU_OPTION_M:
2226
                machine = machine_parse(optarg);
2227
                break;
2228
            case QEMU_OPTION_cpu:
2229
                /* hw initialization will check this */
2230
                if (*optarg == '?') {
2231
                    list_cpus(stdout, &fprintf, optarg);
2232
                    exit(0);
2233
                } else {
2234
                    cpu_model = optarg;
2235
                }
2236
                break;
2237
            case QEMU_OPTION_initrd:
2238
                initrd_filename = optarg;
2239
                break;
2240
            case QEMU_OPTION_hda:
2241
                {
2242
                    char buf[256];
2243
                    if (cyls == 0)
2244
                        snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2245
                    else
2246
                        snprintf(buf, sizeof(buf),
2247
                                 "%s,cyls=%d,heads=%d,secs=%d%s",
2248
                                 HD_OPTS , cyls, heads, secs,
2249
                                 translation == BIOS_ATA_TRANSLATION_LBA ?
2250
                                 ",trans=lba" :
2251
                                 translation == BIOS_ATA_TRANSLATION_NONE ?
2252
                                 ",trans=none" : "");
2253
                    drive_add(IF_DEFAULT, 0, optarg, buf);
2254
                    break;
2255
                }
2256
            case QEMU_OPTION_hdb:
2257
            case QEMU_OPTION_hdc:
2258
            case QEMU_OPTION_hdd:
2259
                drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2260
                          HD_OPTS);
2261
                break;
2262
            case QEMU_OPTION_drive:
2263
                if (drive_def(optarg) == NULL) {
2264
                    exit(1);
2265
                }
2266
                break;
2267
            case QEMU_OPTION_set:
2268
                if (qemu_set_option(optarg) != 0)
2269
                    exit(1);
2270
                break;
2271
            case QEMU_OPTION_global:
2272
                if (qemu_global_option(optarg) != 0)
2273
                    exit(1);
2274
                break;
2275
            case QEMU_OPTION_mtdblock:
2276
                drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2277
                break;
2278
            case QEMU_OPTION_sd:
2279
                drive_add(IF_SD, 0, optarg, SD_OPTS);
2280
                break;
2281
            case QEMU_OPTION_pflash:
2282
                drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2283
                break;
2284
            case QEMU_OPTION_snapshot:
2285
                snapshot = 1;
2286
                break;
2287
            case QEMU_OPTION_hdachs:
2288
                {
2289
                    const char *p;
2290
                    p = optarg;
2291
                    cyls = strtol(p, (char **)&p, 0);
2292
                    if (cyls < 1 || cyls > 16383)
2293
                        goto chs_fail;
2294
                    if (*p != ',')
2295
                        goto chs_fail;
2296
                    p++;
2297
                    heads = strtol(p, (char **)&p, 0);
2298
                    if (heads < 1 || heads > 16)
2299
                        goto chs_fail;
2300
                    if (*p != ',')
2301
                        goto chs_fail;
2302
                    p++;
2303
                    secs = strtol(p, (char **)&p, 0);
2304
                    if (secs < 1 || secs > 63)
2305
                        goto chs_fail;
2306
                    if (*p == ',') {
2307
                        p++;
2308
                        if (!strcmp(p, "none"))
2309
                            translation = BIOS_ATA_TRANSLATION_NONE;
2310
                        else if (!strcmp(p, "lba"))
2311
                            translation = BIOS_ATA_TRANSLATION_LBA;
2312
                        else if (!strcmp(p, "auto"))
2313
                            translation = BIOS_ATA_TRANSLATION_AUTO;
2314
                        else
2315
                            goto chs_fail;
2316
                    } else if (*p != '\0') {
2317
                    chs_fail:
2318
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
2319
                        exit(1);
2320
                    }
2321
                    if (hda_opts != NULL) {
2322
                        char num[16];
2323
                        snprintf(num, sizeof(num), "%d", cyls);
2324
                        qemu_opt_set(hda_opts, "cyls", num);
2325
                        snprintf(num, sizeof(num), "%d", heads);
2326
                        qemu_opt_set(hda_opts, "heads", num);
2327
                        snprintf(num, sizeof(num), "%d", secs);
2328
                        qemu_opt_set(hda_opts, "secs", num);
2329
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2330
                            qemu_opt_set(hda_opts, "trans", "lba");
2331
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2332
                            qemu_opt_set(hda_opts, "trans", "none");
2333
                    }
2334
                }
2335
                break;
2336
            case QEMU_OPTION_numa:
2337
                if (nb_numa_nodes >= MAX_NODES) {
2338
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2339
                    exit(1);
2340
                }
2341
                numa_add(optarg);
2342
                break;
2343
            case QEMU_OPTION_display:
2344
                display_type = select_display(optarg);
2345
                break;
2346
            case QEMU_OPTION_nographic:
2347
                display_type = DT_NOGRAPHIC;
2348
                break;
2349
            case QEMU_OPTION_curses:
2350
#ifdef CONFIG_CURSES
2351
                display_type = DT_CURSES;
2352
#else
2353
                fprintf(stderr, "Curses support is disabled\n");
2354
                exit(1);
2355
#endif
2356
                break;
2357
            case QEMU_OPTION_portrait:
2358
                graphic_rotate = 90;
2359
                break;
2360
            case QEMU_OPTION_rotate:
2361
                graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2362
                if (graphic_rotate != 0 && graphic_rotate != 90 &&
2363
                    graphic_rotate != 180 && graphic_rotate != 270) {
2364
                    fprintf(stderr,
2365
                        "qemu: only 90, 180, 270 deg rotation is available\n");
2366
                    exit(1);
2367
                }
2368
                break;
2369
            case QEMU_OPTION_kernel:
2370
                kernel_filename = optarg;
2371
                break;
2372
            case QEMU_OPTION_append:
2373
                kernel_cmdline = optarg;
2374
                break;
2375
            case QEMU_OPTION_cdrom:
2376
                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2377
                break;
2378
            case QEMU_OPTION_boot:
2379
                {
2380
                    static const char * const params[] = {
2381
                        "order", "once", "menu",
2382
                        "splash", "splash-time", NULL
2383
                    };
2384
                    char buf[sizeof(boot_devices)];
2385
                    char *standard_boot_devices;
2386
                    int legacy = 0;
2387

    
2388
                    if (!strchr(optarg, '=')) {
2389
                        legacy = 1;
2390
                        pstrcpy(buf, sizeof(buf), optarg);
2391
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2392
                        fprintf(stderr,
2393
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2394
                                buf, optarg);
2395
                        exit(1);
2396
                    }
2397

    
2398
                    if (legacy ||
2399
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2400
                        validate_bootdevices(buf);
2401
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2402
                    }
2403
                    if (!legacy) {
2404
                        if (get_param_value(buf, sizeof(buf),
2405
                                            "once", optarg)) {
2406
                            validate_bootdevices(buf);
2407
                            standard_boot_devices = g_strdup(boot_devices);
2408
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2409
                            qemu_register_reset(restore_boot_devices,
2410
                                                standard_boot_devices);
2411
                        }
2412
                        if (get_param_value(buf, sizeof(buf),
2413
                                            "menu", optarg)) {
2414
                            if (!strcmp(buf, "on")) {
2415
                                boot_menu = 1;
2416
                            } else if (!strcmp(buf, "off")) {
2417
                                boot_menu = 0;
2418
                            } else {
2419
                                fprintf(stderr,
2420
                                        "qemu: invalid option value '%s'\n",
2421
                                        buf);
2422
                                exit(1);
2423
                            }
2424
                        }
2425
                        qemu_opts_parse(qemu_find_opts("boot-opts"),
2426
                                        optarg, 0);
2427
                    }
2428
                }
2429
                break;
2430
            case QEMU_OPTION_fda:
2431
            case QEMU_OPTION_fdb:
2432
                drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2433
                          optarg, FD_OPTS);
2434
                break;
2435
            case QEMU_OPTION_no_fd_bootchk:
2436
                fd_bootchk = 0;
2437
                break;
2438
            case QEMU_OPTION_netdev:
2439
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2440
                    exit(1);
2441
                }
2442
                break;
2443
            case QEMU_OPTION_net:
2444
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2445
                    exit(1);
2446
                }
2447
                break;
2448
#ifdef CONFIG_SLIRP
2449
            case QEMU_OPTION_tftp:
2450
                legacy_tftp_prefix = optarg;
2451
                break;
2452
            case QEMU_OPTION_bootp:
2453
                legacy_bootp_filename = optarg;
2454
                break;
2455
            case QEMU_OPTION_redir:
2456
                if (net_slirp_redir(optarg) < 0)
2457
                    exit(1);
2458
                break;
2459
#endif
2460
            case QEMU_OPTION_bt:
2461
                add_device_config(DEV_BT, optarg);
2462
                break;
2463
            case QEMU_OPTION_audio_help:
2464
                if (!(audio_available())) {
2465
                    printf("Option %s not supported for this target\n", popt->name);
2466
                    exit(1);
2467
                }
2468
                AUD_help ();
2469
                exit (0);
2470
                break;
2471
            case QEMU_OPTION_soundhw:
2472
                if (!(audio_available())) {
2473
                    printf("Option %s not supported for this target\n", popt->name);
2474
                    exit(1);
2475
                }
2476
                select_soundhw (optarg);
2477
                break;
2478
            case QEMU_OPTION_h:
2479
                help(0);
2480
                break;
2481
            case QEMU_OPTION_version:
2482
                version();
2483
                exit(0);
2484
                break;
2485
            case QEMU_OPTION_m: {
2486
                int64_t value;
2487

    
2488
                value = strtosz(optarg, NULL);
2489
                if (value < 0) {
2490
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2491
                    exit(1);
2492
                }
2493

    
2494
                if (value != (uint64_t)(ram_addr_t)value) {
2495
                    fprintf(stderr, "qemu: ram size too large\n");
2496
                    exit(1);
2497
                }
2498
                ram_size = value;
2499
                break;
2500
            }
2501
            case QEMU_OPTION_mempath:
2502
                mem_path = optarg;
2503
                break;
2504
#ifdef MAP_POPULATE
2505
            case QEMU_OPTION_mem_prealloc:
2506
                mem_prealloc = 1;
2507
                break;
2508
#endif
2509
            case QEMU_OPTION_d:
2510
                log_mask = optarg;
2511
                break;
2512
            case QEMU_OPTION_D:
2513
                log_file = optarg;
2514
                break;
2515
            case QEMU_OPTION_s:
2516
                gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2517
                break;
2518
            case QEMU_OPTION_gdb:
2519
                gdbstub_dev = optarg;
2520
                break;
2521
            case QEMU_OPTION_L:
2522
                data_dir = optarg;
2523
                break;
2524
            case QEMU_OPTION_bios:
2525
                bios_name = optarg;
2526
                break;
2527
            case QEMU_OPTION_singlestep:
2528
                singlestep = 1;
2529
                break;
2530
            case QEMU_OPTION_S:
2531
                autostart = 0;
2532
                break;
2533
            case QEMU_OPTION_k:
2534
                keyboard_layout = optarg;
2535
                break;
2536
            case QEMU_OPTION_localtime:
2537
                rtc_utc = 0;
2538
                break;
2539
            case QEMU_OPTION_vga:
2540
                select_vgahw (optarg);
2541
                break;
2542
            case QEMU_OPTION_g:
2543
                {
2544
                    const char *p;
2545
                    int w, h, depth;
2546
                    p = optarg;
2547
                    w = strtol(p, (char **)&p, 10);
2548
                    if (w <= 0) {
2549
                    graphic_error:
2550
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
2551
                        exit(1);
2552
                    }
2553
                    if (*p != 'x')
2554
                        goto graphic_error;
2555
                    p++;
2556
                    h = strtol(p, (char **)&p, 10);
2557
                    if (h <= 0)
2558
                        goto graphic_error;
2559
                    if (*p == 'x') {
2560
                        p++;
2561
                        depth = strtol(p, (char **)&p, 10);
2562
                        if (depth != 8 && depth != 15 && depth != 16 &&
2563
                            depth != 24 && depth != 32)
2564
                            goto graphic_error;
2565
                    } else if (*p == '\0') {
2566
                        depth = graphic_depth;
2567
                    } else {
2568
                        goto graphic_error;
2569
                    }
2570

    
2571
                    graphic_width = w;
2572
                    graphic_height = h;
2573
                    graphic_depth = depth;
2574
                }
2575
                break;
2576
            case QEMU_OPTION_echr:
2577
                {
2578
                    char *r;
2579
                    term_escape_char = strtol(optarg, &r, 0);
2580
                    if (r == optarg)
2581
                        printf("Bad argument to echr\n");
2582
                    break;
2583
                }
2584
            case QEMU_OPTION_monitor:
2585
                monitor_parse(optarg, "readline");
2586
                default_monitor = 0;
2587
                break;
2588
            case QEMU_OPTION_qmp:
2589
                monitor_parse(optarg, "control");
2590
                default_monitor = 0;
2591
                break;
2592
            case QEMU_OPTION_mon:
2593
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2594
                if (!opts) {
2595
                    exit(1);
2596
                }
2597
                default_monitor = 0;
2598
                break;
2599
            case QEMU_OPTION_chardev:
2600
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2601
                if (!opts) {
2602
                    exit(1);
2603
                }
2604
                break;
2605
            case QEMU_OPTION_fsdev:
2606
                olist = qemu_find_opts("fsdev");
2607
                if (!olist) {
2608
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2609
                    exit(1);
2610
                }
2611
                opts = qemu_opts_parse(olist, optarg, 1);
2612
                if (!opts) {
2613
                    fprintf(stderr, "parse error: %s\n", optarg);
2614
                    exit(1);
2615
                }
2616
                break;
2617
            case QEMU_OPTION_virtfs: {
2618
                QemuOpts *fsdev;
2619
                QemuOpts *device;
2620

    
2621
                olist = qemu_find_opts("virtfs");
2622
                if (!olist) {
2623
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2624
                    exit(1);
2625
                }
2626
                opts = qemu_opts_parse(olist, optarg, 1);
2627
                if (!opts) {
2628
                    fprintf(stderr, "parse error: %s\n", optarg);
2629
                    exit(1);
2630
                }
2631

    
2632
                if (qemu_opt_get(opts, "fstype") == NULL ||
2633
                        qemu_opt_get(opts, "mount_tag") == NULL ||
2634
                        qemu_opt_get(opts, "path") == NULL ||
2635
                        qemu_opt_get(opts, "security_model") == NULL) {
2636
                    fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2637
                            "security_model=[mapped|passthrough|none],"
2638
                            "mount_tag=tag.\n");
2639
                    exit(1);
2640
                }
2641

    
2642
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2643
                                         qemu_opt_get(opts, "mount_tag"), 1);
2644
                if (!fsdev) {
2645
                    fprintf(stderr, "duplicate fsdev id: %s\n",
2646
                            qemu_opt_get(opts, "mount_tag"));
2647
                    exit(1);
2648
                }
2649
                qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype"));
2650
                qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2651
                qemu_opt_set(fsdev, "security_model",
2652
                             qemu_opt_get(opts, "security_model"));
2653

    
2654
                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2655
                qemu_opt_set(device, "driver", "virtio-9p-pci");
2656
                qemu_opt_set(device, "fsdev",
2657
                             qemu_opt_get(opts, "mount_tag"));
2658
                qemu_opt_set(device, "mount_tag",
2659
                             qemu_opt_get(opts, "mount_tag"));
2660
                break;
2661
            }
2662
            case QEMU_OPTION_serial:
2663
                add_device_config(DEV_SERIAL, optarg);
2664
                default_serial = 0;
2665
                if (strncmp(optarg, "mon:", 4) == 0) {
2666
                    default_monitor = 0;
2667
                }
2668
                break;
2669
            case QEMU_OPTION_watchdog:
2670
                if (watchdog) {
2671
                    fprintf(stderr,
2672
                            "qemu: only one watchdog option may be given\n");
2673
                    return 1;
2674
                }
2675
                watchdog = optarg;
2676
                break;
2677
            case QEMU_OPTION_watchdog_action:
2678
                if (select_watchdog_action(optarg) == -1) {
2679
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
2680
                    exit(1);
2681
                }
2682
                break;
2683
            case QEMU_OPTION_virtiocon:
2684
                add_device_config(DEV_VIRTCON, optarg);
2685
                default_virtcon = 0;
2686
                if (strncmp(optarg, "mon:", 4) == 0) {
2687
                    default_monitor = 0;
2688
                }
2689
                break;
2690
            case QEMU_OPTION_parallel:
2691
                add_device_config(DEV_PARALLEL, optarg);
2692
                default_parallel = 0;
2693
                if (strncmp(optarg, "mon:", 4) == 0) {
2694
                    default_monitor = 0;
2695
                }
2696
                break;
2697
            case QEMU_OPTION_debugcon:
2698
                add_device_config(DEV_DEBUGCON, optarg);
2699
                break;
2700
            case QEMU_OPTION_loadvm:
2701
                loadvm = optarg;
2702
                break;
2703
            case QEMU_OPTION_full_screen:
2704
                full_screen = 1;
2705
                break;
2706
#ifdef CONFIG_SDL
2707
            case QEMU_OPTION_no_frame:
2708
                no_frame = 1;
2709
                break;
2710
            case QEMU_OPTION_alt_grab:
2711
                alt_grab = 1;
2712
                break;
2713
            case QEMU_OPTION_ctrl_grab:
2714
                ctrl_grab = 1;
2715
                break;
2716
            case QEMU_OPTION_no_quit:
2717
                no_quit = 1;
2718
                break;
2719
            case QEMU_OPTION_sdl:
2720
                display_type = DT_SDL;
2721
                break;
2722
#else
2723
            case QEMU_OPTION_no_frame:
2724
            case QEMU_OPTION_alt_grab:
2725
            case QEMU_OPTION_ctrl_grab:
2726
            case QEMU_OPTION_no_quit:
2727
            case QEMU_OPTION_sdl:
2728
                fprintf(stderr, "SDL support is disabled\n");
2729
                exit(1);
2730
#endif
2731
            case QEMU_OPTION_pidfile:
2732
                pid_file = optarg;
2733
                break;
2734
            case QEMU_OPTION_win2k_hack:
2735
                win2k_install_hack = 1;
2736
                break;
2737
            case QEMU_OPTION_rtc_td_hack:
2738
                rtc_td_hack = 1;
2739
                break;
2740
            case QEMU_OPTION_acpitable:
2741
                do_acpitable_option(optarg);
2742
                break;
2743
            case QEMU_OPTION_smbios:
2744
                do_smbios_option(optarg);
2745
                break;
2746
            case QEMU_OPTION_enable_kvm:
2747
                olist = qemu_find_opts("machine");
2748
                qemu_opts_reset(olist);
2749
                qemu_opts_parse(olist, "accel=kvm", 0);
2750
                break;
2751
            case QEMU_OPTION_machine:
2752
                olist = qemu_find_opts("machine");
2753
                qemu_opts_reset(olist);
2754
                opts = qemu_opts_parse(olist, optarg, 1);
2755
                if (!opts) {
2756
                    fprintf(stderr, "parse error: %s\n", optarg);
2757
                    exit(1);
2758
                }
2759
                optarg = qemu_opt_get(opts, "type");
2760
                if (optarg) {
2761
                    machine = machine_parse(optarg);
2762
                }
2763
                break;
2764
            case QEMU_OPTION_usb:
2765
                usb_enabled = 1;
2766
                break;
2767
            case QEMU_OPTION_usbdevice:
2768
                usb_enabled = 1;
2769
                add_device_config(DEV_USB, optarg);
2770
                break;
2771
            case QEMU_OPTION_device:
2772
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2773
                    exit(1);
2774
                }
2775
                break;
2776
            case QEMU_OPTION_smp:
2777
                smp_parse(optarg);
2778
                if (smp_cpus < 1) {
2779
                    fprintf(stderr, "Invalid number of CPUs\n");
2780
                    exit(1);
2781
                }
2782
                if (max_cpus < smp_cpus) {
2783
                    fprintf(stderr, "maxcpus must be equal to or greater than "
2784
                            "smp\n");
2785
                    exit(1);
2786
                }
2787
                if (max_cpus > 255) {
2788
                    fprintf(stderr, "Unsupported number of maxcpus\n");
2789
                    exit(1);
2790
                }
2791
                break;
2792
            case QEMU_OPTION_vnc:
2793
#ifdef CONFIG_VNC
2794
                display_remote++;
2795
                vnc_display = optarg;
2796
#else
2797
                fprintf(stderr, "VNC support is disabled\n");
2798
                exit(1);
2799
#endif
2800
                break;
2801
            case QEMU_OPTION_no_acpi:
2802
                acpi_enabled = 0;
2803
                break;
2804
            case QEMU_OPTION_no_hpet:
2805
                no_hpet = 1;
2806
                break;
2807
            case QEMU_OPTION_balloon:
2808
                if (balloon_parse(optarg) < 0) {
2809
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2810
                    exit(1);
2811
                }
2812
                break;
2813
            case QEMU_OPTION_no_reboot:
2814
                no_reboot = 1;
2815
                break;
2816
            case QEMU_OPTION_no_shutdown:
2817
                no_shutdown = 1;
2818
                break;
2819
            case QEMU_OPTION_show_cursor:
2820
                cursor_hide = 0;
2821
                break;
2822
            case QEMU_OPTION_uuid:
2823
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2824
                    fprintf(stderr, "Fail to parse UUID string."
2825
                            " Wrong format.\n");
2826
                    exit(1);
2827
                }
2828
                break;
2829
            case QEMU_OPTION_option_rom:
2830
                if (nb_option_roms >= MAX_OPTION_ROMS) {
2831
                    fprintf(stderr, "Too many option ROMs\n");
2832
                    exit(1);
2833
                }
2834
                opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2835
                option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2836
                option_rom[nb_option_roms].bootindex =
2837
                    qemu_opt_get_number(opts, "bootindex", -1);
2838
                if (!option_rom[nb_option_roms].name) {
2839
                    fprintf(stderr, "Option ROM file is not specified\n");
2840
                    exit(1);
2841
                }
2842
                nb_option_roms++;
2843
                break;
2844
            case QEMU_OPTION_semihosting:
2845
                semihosting_enabled = 1;
2846
                break;
2847
            case QEMU_OPTION_name:
2848
                qemu_name = g_strdup(optarg);
2849
                 {
2850
                     char *p = strchr(qemu_name, ',');
2851
                     if (p != NULL) {
2852
                        *p++ = 0;
2853
                        if (strncmp(p, "process=", 8)) {
2854
                            fprintf(stderr, "Unknown subargument %s to -name\n", p);
2855
                            exit(1);
2856
                        }
2857
                        p += 8;
2858
                        os_set_proc_name(p);
2859
                     }        
2860
                 }        
2861
                break;
2862
            case QEMU_OPTION_prom_env:
2863
                if (nb_prom_envs >= MAX_PROM_ENVS) {
2864
                    fprintf(stderr, "Too many prom variables\n");
2865
                    exit(1);
2866
                }
2867
                prom_envs[nb_prom_envs] = optarg;
2868
                nb_prom_envs++;
2869
                break;
2870
            case QEMU_OPTION_old_param:
2871
                old_param = 1;
2872
                break;
2873
            case QEMU_OPTION_clock:
2874
                configure_alarms(optarg);
2875
                break;
2876
            case QEMU_OPTION_startdate:
2877
                configure_rtc_date_offset(optarg, 1);
2878
                break;
2879
            case QEMU_OPTION_rtc:
2880
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2881
                if (!opts) {
2882
                    exit(1);
2883
                }
2884
                configure_rtc(opts);
2885
                break;
2886
            case QEMU_OPTION_tb_size:
2887
                tcg_tb_size = strtol(optarg, NULL, 0);
2888
                if (tcg_tb_size < 0) {
2889
                    tcg_tb_size = 0;
2890
                }
2891
                break;
2892
            case QEMU_OPTION_icount:
2893
                icount_option = optarg;
2894
                break;
2895
            case QEMU_OPTION_incoming:
2896
                incoming = optarg;
2897
                incoming_expected = true;
2898
                break;
2899
            case QEMU_OPTION_nodefaults:
2900
                default_serial = 0;
2901
                default_parallel = 0;
2902
                default_virtcon = 0;
2903
                default_monitor = 0;
2904
                default_vga = 0;
2905
                default_net = 0;
2906
                default_floppy = 0;
2907
                default_cdrom = 0;
2908
                default_sdcard = 0;
2909
                break;
2910
            case QEMU_OPTION_xen_domid:
2911
                if (!(xen_available())) {
2912
                    printf("Option %s not supported for this target\n", popt->name);
2913
                    exit(1);
2914
                }
2915
                xen_domid = atoi(optarg);
2916
                break;
2917
            case QEMU_OPTION_xen_create:
2918
                if (!(xen_available())) {
2919
                    printf("Option %s not supported for this target\n", popt->name);
2920
                    exit(1);
2921
                }
2922
                xen_mode = XEN_CREATE;
2923
                break;
2924
            case QEMU_OPTION_xen_attach:
2925
                if (!(xen_available())) {
2926
                    printf("Option %s not supported for this target\n", popt->name);
2927
                    exit(1);
2928
                }
2929
                xen_mode = XEN_ATTACH;
2930
                break;
2931
#ifdef CONFIG_TRACE_SIMPLE
2932
            case QEMU_OPTION_trace:
2933
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2934
                if (opts) {
2935
                    trace_file = qemu_opt_get(opts, "file");
2936
                }
2937
                break;
2938
#endif
2939
            case QEMU_OPTION_readconfig:
2940
                {
2941
                    int ret = qemu_read_config_file(optarg);
2942
                    if (ret < 0) {
2943
                        fprintf(stderr, "read config %s: %s\n", optarg,
2944
                            strerror(-ret));
2945
                        exit(1);
2946
                    }
2947
                    break;
2948
                }
2949
            case QEMU_OPTION_spice:
2950
                olist = qemu_find_opts("spice");
2951
                if (!olist) {
2952
                    fprintf(stderr, "spice is not supported by this qemu build.\n");
2953
                    exit(1);
2954
                }
2955
                opts = qemu_opts_parse(olist, optarg, 0);
2956
                if (!opts) {
2957
                    fprintf(stderr, "parse error: %s\n", optarg);
2958
                    exit(1);
2959
                }
2960
                break;
2961
            case QEMU_OPTION_writeconfig:
2962
                {
2963
                    FILE *fp;
2964
                    if (strcmp(optarg, "-") == 0) {
2965
                        fp = stdout;
2966
                    } else {
2967
                        fp = fopen(optarg, "w");
2968
                        if (fp == NULL) {
2969
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2970
                            exit(1);
2971
                        }
2972
                    }
2973
                    qemu_config_write(fp);
2974
                    fclose(fp);
2975
                    break;
2976
                }
2977
            default:
2978
                os_parse_cmd_args(popt->index, optarg);
2979
            }
2980
        }
2981
    }
2982
    loc_set_none();
2983

    
2984
    /* Open the logfile at this point, if necessary. We can't open the logfile
2985
     * when encountering either of the logging options (-d or -D) because the
2986
     * other one may be encountered later on the command line, changing the
2987
     * location or level of logging.
2988
     */
2989
    if (log_mask) {
2990
        if (log_file) {
2991
            set_cpu_log_filename(log_file);
2992
        }
2993
        set_cpu_log(log_mask);
2994
    }
2995

    
2996
    if (!st_init(trace_file)) {
2997
        fprintf(stderr, "warning: unable to initialize simple trace backend\n");
2998
    }
2999

    
3000
    /* If no data_dir is specified then try to find it relative to the
3001
       executable path.  */
3002
    if (!data_dir) {
3003
        data_dir = os_find_datadir(argv[0]);
3004
    }
3005
    /* If all else fails use the install patch specified when building.  */
3006
    if (!data_dir) {
3007
        data_dir = CONFIG_QEMU_DATADIR;
3008
    }
3009

    
3010
    /*
3011
     * Default to max_cpus = smp_cpus, in case the user doesn't
3012
     * specify a max_cpus value.
3013
     */
3014
    if (!max_cpus)
3015
        max_cpus = smp_cpus;
3016

    
3017
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3018
    if (smp_cpus > machine->max_cpus) {
3019
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3020
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3021
                machine->max_cpus);
3022
        exit(1);
3023
    }
3024

    
3025
    /*
3026
     * Get the default machine options from the machine if it is not already
3027
     * specified either by the configuration file or by the command line.
3028
     */
3029
    if (machine->default_machine_opts) {
3030
        QemuOptsList *list = qemu_find_opts("machine");
3031
        const char *p = NULL;
3032

    
3033
        if (!QTAILQ_EMPTY(&list->head)) {
3034
            p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
3035
        }
3036
        if (p == NULL) {
3037
            qemu_opts_reset(list);
3038
            opts = qemu_opts_parse(list, machine->default_machine_opts, 0);
3039
            if (!opts) {
3040
                fprintf(stderr, "parse error for machine %s: %s\n",
3041
                        machine->name, machine->default_machine_opts);
3042
                exit(1);
3043
            }
3044
        }
3045
    }
3046

    
3047
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3048
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3049

    
3050
    if (machine->no_serial) {
3051
        default_serial = 0;
3052
    }
3053
    if (machine->no_parallel) {
3054
        default_parallel = 0;
3055
    }
3056
    if (!machine->use_virtcon) {
3057
        default_virtcon = 0;
3058
    }
3059
    if (machine->no_vga) {
3060
        default_vga = 0;
3061
    }
3062
    if (machine->no_floppy) {
3063
        default_floppy = 0;
3064
    }
3065
    if (machine->no_cdrom) {
3066
        default_cdrom = 0;
3067
    }
3068
    if (machine->no_sdcard) {
3069
        default_sdcard = 0;
3070
    }
3071

    
3072
    if (display_type == DT_NOGRAPHIC) {
3073
        if (default_parallel)
3074
            add_device_config(DEV_PARALLEL, "null");
3075
        if (default_serial && default_monitor) {
3076
            add_device_config(DEV_SERIAL, "mon:stdio");
3077
        } else if (default_virtcon && default_monitor) {
3078
            add_device_config(DEV_VIRTCON, "mon:stdio");
3079
        } else {
3080
            if (default_serial)
3081
                add_device_config(DEV_SERIAL, "stdio");
3082
            if (default_virtcon)
3083
                add_device_config(DEV_VIRTCON, "stdio");
3084
            if (default_monitor)
3085
                monitor_parse("stdio", "readline");
3086
        }
3087
    } else {
3088
        if (default_serial)
3089
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
3090
        if (default_parallel)
3091
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3092
        if (default_monitor)
3093
            monitor_parse("vc:80Cx24C", "readline");
3094
        if (default_virtcon)
3095
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3096
    }
3097
    if (default_vga)
3098
        vga_interface_type = VGA_CIRRUS;
3099

    
3100
    socket_init();
3101

    
3102
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3103
        exit(1);
3104
#ifdef CONFIG_VIRTFS
3105
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3106
        exit(1);
3107
    }
3108
#endif
3109

    
3110
    os_daemonize();
3111

    
3112
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3113
        os_pidfile_error();
3114
        exit(1);
3115
    }
3116

    
3117
    /* init the memory */
3118
    if (ram_size == 0) {
3119
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3120
    }
3121

    
3122
    configure_accelerator();
3123

    
3124
    if (qemu_init_main_loop()) {
3125
        fprintf(stderr, "qemu_init_main_loop failed\n");
3126
        exit(1);
3127
    }
3128
    linux_boot = (kernel_filename != NULL);
3129

    
3130
    if (!linux_boot && *kernel_cmdline != '\0') {
3131
        fprintf(stderr, "-append only allowed with -kernel option\n");
3132
        exit(1);
3133
    }
3134

    
3135
    if (!linux_boot && initrd_filename != NULL) {
3136
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
3137
        exit(1);
3138
    }
3139

    
3140
    os_set_line_buffering();
3141

    
3142
    if (init_timer_alarm() < 0) {
3143
        fprintf(stderr, "could not initialize alarm timer\n");
3144
        exit(1);
3145
    }
3146
    configure_icount(icount_option);
3147

    
3148
    if (net_init_clients() < 0) {
3149
        exit(1);
3150
    }
3151

    
3152
    /* init the bluetooth world */
3153
    if (foreach_device_config(DEV_BT, bt_parse))
3154
        exit(1);
3155

    
3156
    if (!xen_enabled()) {
3157
        /* On 32-bit hosts, QEMU is limited by virtual address space */
3158
        if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3159
            fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3160
            exit(1);
3161
        }
3162
    }
3163

    
3164
    cpu_exec_init_all();
3165

    
3166
    bdrv_init_with_whitelist();
3167

    
3168
    blk_mig_init();
3169

    
3170
    /* open the virtual block devices */
3171
    if (snapshot)
3172
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3173
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3174
        exit(1);
3175

    
3176
    default_drive(default_cdrom, snapshot, machine->use_scsi,
3177
                  IF_DEFAULT, 2, CDROM_OPTS);
3178
    default_drive(default_floppy, snapshot, machine->use_scsi,
3179
                  IF_FLOPPY, 0, FD_OPTS);
3180
    default_drive(default_sdcard, snapshot, machine->use_scsi,
3181
                  IF_SD, 0, SD_OPTS);
3182

    
3183
    register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3184
                         ram_load, NULL);
3185

    
3186
    if (nb_numa_nodes > 0) {
3187
        int i;
3188

    
3189
        if (nb_numa_nodes > MAX_NODES) {
3190
            nb_numa_nodes = MAX_NODES;
3191
        }
3192

    
3193
        /* If no memory size if given for any node, assume the default case
3194
         * and distribute the available memory equally across all nodes
3195
         */
3196
        for (i = 0; i < nb_numa_nodes; i++) {
3197
            if (node_mem[i] != 0)
3198
                break;
3199
        }
3200
        if (i == nb_numa_nodes) {
3201
            uint64_t usedmem = 0;
3202

    
3203
            /* On Linux, the each node's border has to be 8MB aligned,
3204
             * the final node gets the rest.
3205
             */
3206
            for (i = 0; i < nb_numa_nodes - 1; i++) {
3207
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3208
                usedmem += node_mem[i];
3209
            }
3210
            node_mem[i] = ram_size - usedmem;
3211
        }
3212

    
3213
        for (i = 0; i < nb_numa_nodes; i++) {
3214
            if (node_cpumask[i] != 0)
3215
                break;
3216
        }
3217
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
3218
         * must cope with this anyway, because there are BIOSes out there in
3219
         * real machines which also use this scheme.
3220
         */
3221
        if (i == nb_numa_nodes) {
3222
            for (i = 0; i < smp_cpus; i++) {
3223
                node_cpumask[i % nb_numa_nodes] |= 1 << i;
3224
            }
3225
        }
3226
    }
3227

    
3228
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3229
        exit(1);
3230
    }
3231

    
3232
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3233
        exit(1);
3234
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3235
        exit(1);
3236
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3237
        exit(1);
3238
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3239
        exit(1);
3240

    
3241
    module_call_init(MODULE_INIT_DEVICE);
3242

    
3243
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3244
        exit(0);
3245

    
3246
    if (watchdog) {
3247
        i = select_watchdog(watchdog);
3248
        if (i > 0)
3249
            exit (i == 1 ? 1 : 0);
3250
    }
3251

    
3252
    if (machine->compat_props) {
3253
        qdev_prop_register_global_list(machine->compat_props);
3254
    }
3255
    qemu_add_globals();
3256

    
3257
    machine->init(ram_size, boot_devices,
3258
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3259

    
3260
    cpu_synchronize_all_post_init();
3261

    
3262
    set_numa_modes();
3263

    
3264
    current_machine = machine;
3265

    
3266
    /* init USB devices */
3267
    if (usb_enabled) {
3268
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
3269
            exit(1);
3270
    }
3271

    
3272
    /* init generic devices */
3273
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3274
        exit(1);
3275

    
3276
    net_check_clients();
3277

    
3278
    /* just use the first displaystate for the moment */
3279
    ds = get_displaystate();
3280

    
3281
    if (using_spice)
3282
        display_remote++;
3283
    if (display_type == DT_DEFAULT && !display_remote) {
3284
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3285
        display_type = DT_SDL;
3286
#elif defined(CONFIG_VNC)
3287
        vnc_display = "localhost:0,to=99";
3288
        show_vnc_port = 1;
3289
#else
3290
        display_type = DT_NONE;
3291
#endif
3292
    }
3293

    
3294

    
3295
    /* init local displays */
3296
    switch (display_type) {
3297
    case DT_NOGRAPHIC:
3298
        break;
3299
#if defined(CONFIG_CURSES)
3300
    case DT_CURSES:
3301
        curses_display_init(ds, full_screen);
3302
        break;
3303
#endif
3304
#if defined(CONFIG_SDL)
3305
    case DT_SDL:
3306
        sdl_display_init(ds, full_screen, no_frame);
3307
        break;
3308
#elif defined(CONFIG_COCOA)
3309
    case DT_SDL:
3310
        cocoa_display_init(ds, full_screen);
3311
        break;
3312
#endif
3313
    default:
3314
        break;
3315
    }
3316

    
3317
    /* must be after terminal init, SDL library changes signal handlers */
3318
    os_setup_signal_handling();
3319

    
3320
#ifdef CONFIG_VNC
3321
    /* init remote displays */
3322
    if (vnc_display) {
3323
        vnc_display_init(ds);
3324
        if (vnc_display_open(ds, vnc_display) < 0)
3325
            exit(1);
3326

    
3327
        if (show_vnc_port) {
3328
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3329
        }
3330
    }
3331
#endif
3332
#ifdef CONFIG_SPICE
3333
    if (using_spice && !qxl_enabled) {
3334
        qemu_spice_display_init(ds);
3335
    }
3336
#endif
3337

    
3338
    /* display setup */
3339
    dpy_resize(ds);
3340
    dcl = ds->listeners;
3341
    while (dcl != NULL) {
3342
        if (dcl->dpy_refresh != NULL) {
3343
            ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3344
            qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3345
            break;
3346
        }
3347
        dcl = dcl->next;
3348
    }
3349
    if (ds->gui_timer == NULL) {
3350
        nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
3351
        qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
3352
    }
3353
    text_consoles_set_display(ds);
3354

    
3355
    if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3356
        fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3357
                gdbstub_dev);
3358
        exit(1);
3359
    }
3360

    
3361
    qdev_machine_creation_done();
3362

    
3363
    if (rom_load_all() != 0) {
3364
        fprintf(stderr, "rom loading failed\n");
3365
        exit(1);
3366
    }
3367

    
3368
    /* TODO: once all bus devices are qdevified, this should be done
3369
     * when bus is created by qdev.c */
3370
    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3371
    qemu_run_machine_init_done_notifiers();
3372

    
3373
    qemu_system_reset(VMRESET_SILENT);
3374
    if (loadvm) {
3375
        if (load_vmstate(loadvm) < 0) {
3376
            autostart = 0;
3377
        }
3378
    }
3379

    
3380
    if (incoming) {
3381
        int ret = qemu_start_incoming_migration(incoming);
3382
        if (ret < 0) {
3383
            fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3384
                    incoming, ret);
3385
            exit(ret);
3386
        }
3387
    } else if (autostart) {
3388
        vm_start();
3389
    }
3390

    
3391
    os_setup_post();
3392

    
3393
    main_loop();
3394
    quit_timers();
3395
    net_cleanup();
3396
    res_free();
3397

    
3398
    return 0;
3399
}