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/*
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 * QEMU System Emulator
3
 *
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 * Copyright (c) 2003-2008 Fabrice Bellard
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * 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
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * 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
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 */
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#include <unistd.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <time.h>
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#include <errno.h>
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#include <sys/time.h>
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#include <zlib.h>
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#include "qemu/bitmap.h"
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/* Needed early for CONFIG_BSD etc. */
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#include "config-host.h"
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#ifndef _WIN32
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#include <libgen.h>
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#include <sys/times.h>
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#include <sys/wait.h>
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#include <termios.h>
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#include <sys/mman.h>
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#include <sys/ioctl.h>
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#include <sys/resource.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <net/if.h>
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#include <arpa/inet.h>
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#include <dirent.h>
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#include <netdb.h>
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#include <sys/select.h>
51

    
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#ifdef CONFIG_BSD
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#include <sys/stat.h>
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
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#include <sys/sysctl.h>
56
#else
57
#include <util.h>
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#endif
59
#else
60
#ifdef __linux__
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#include <malloc.h>
62

    
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#include <linux/ppdev.h>
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#include <linux/parport.h>
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#endif
66

    
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#ifdef CONFIG_SECCOMP
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#include "sysemu/seccomp.h"
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#endif
70

    
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#ifdef __sun__
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#include <sys/stat.h>
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#include <sys/ethernet.h>
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#include <sys/sockio.h>
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#include <netinet/arp.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/ip_icmp.h> // must come after ip.h
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#include <netinet/udp.h>
80
#include <netinet/tcp.h>
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#include <net/if.h>
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#include <syslog.h>
83
#include <stropts.h>
84
#endif
85
#endif
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 <glib.h>
115

    
116
#include "hw/hw.h"
117
#include "hw/boards.h"
118
#include "hw/usb.h"
119
#include "hw/pcmcia.h"
120
#include "hw/i386/pc.h"
121
#include "hw/isa/isa.h"
122
#include "hw/bt.h"
123
#include "sysemu/watchdog.h"
124
#include "hw/i386/smbios.h"
125
#include "hw/xen/xen.h"
126
#include "hw/qdev.h"
127
#include "hw/loader.h"
128
#include "monitor/qdev.h"
129
#include "sysemu/bt.h"
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#include "net/net.h"
131
#include "net/slirp.h"
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#include "monitor/monitor.h"
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#include "ui/console.h"
134
#include "sysemu/sysemu.h"
135
#include "exec/gdbstub.h"
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#include "qemu/timer.h"
137
#include "sysemu/char.h"
138
#include "qemu/cache-utils.h"
139
#include "sysemu/blockdev.h"
140
#include "hw/block/block.h"
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#include "migration/block.h"
142
#include "sysemu/tpm.h"
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#include "sysemu/dma.h"
144
#include "audio/audio.h"
145
#include "migration/migration.h"
146
#include "sysemu/kvm.h"
147
#include "qapi/qmp/qjson.h"
148
#include "qemu/option.h"
149
#include "qemu/config-file.h"
150
#include "qemu-options.h"
151
#include "qmp-commands.h"
152
#include "qemu/main-loop.h"
153
#ifdef CONFIG_VIRTFS
154
#include "fsdev/qemu-fsdev.h"
155
#endif
156
#include "sysemu/qtest.h"
157

    
158
#include "disas/disas.h"
159

    
160
#include "qemu/sockets.h"
161

    
162
#include "slirp/libslirp.h"
163

    
164
#include "trace.h"
165
#include "trace/control.h"
166
#include "qemu/queue.h"
167
#include "sysemu/cpus.h"
168
#include "sysemu/arch_init.h"
169
#include "qemu/osdep.h"
170

    
171
#include "ui/qemu-spice.h"
172
#include "qapi/string-input-visitor.h"
173

    
174
//#define DEBUG_NET
175
//#define DEBUG_SLIRP
176

    
177
#define DEFAULT_RAM_SIZE 128
178

    
179
#define MAX_VIRTIO_CONSOLES 1
180
#define MAX_SCLP_CONSOLES 1
181

    
182
static const char *data_dir[16];
183
static int data_dir_idx;
184
const char *bios_name = NULL;
185
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
186
DisplayType display_type = DT_DEFAULT;
187
static int display_remote;
188
const char* keyboard_layout = NULL;
189
ram_addr_t ram_size;
190
const char *mem_path = NULL;
191
#ifdef MAP_POPULATE
192
int mem_prealloc = 0; /* force preallocation of physical target memory */
193
#endif
194
int nb_nics;
195
NICInfo nd_table[MAX_NICS];
196
int autostart;
197
static int rtc_utc = 1;
198
static int rtc_date_offset = -1; /* -1 means no change */
199
QEMUClockType rtc_clock;
200
int vga_interface_type = VGA_NONE;
201
static int full_screen = 0;
202
static int no_frame = 0;
203
int no_quit = 0;
204
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
205
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
206
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
207
CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
208
int win2k_install_hack = 0;
209
int singlestep = 0;
210
int smp_cpus = 1;
211
int max_cpus = 0;
212
int smp_cores = 1;
213
int smp_threads = 1;
214
#ifdef CONFIG_VNC
215
const char *vnc_display;
216
#endif
217
int acpi_enabled = 1;
218
int no_hpet = 0;
219
int fd_bootchk = 1;
220
static int no_reboot;
221
int no_shutdown = 0;
222
int cursor_hide = 1;
223
int graphic_rotate = 0;
224
const char *watchdog;
225
QEMUOptionRom option_rom[MAX_OPTION_ROMS];
226
int nb_option_roms;
227
int semihosting_enabled = 0;
228
int old_param = 0;
229
const char *qemu_name;
230
int alt_grab = 0;
231
int ctrl_grab = 0;
232
unsigned int nb_prom_envs = 0;
233
const char *prom_envs[MAX_PROM_ENVS];
234
int boot_menu;
235
bool boot_strict;
236
uint8_t *boot_splash_filedata;
237
size_t boot_splash_filedata_size;
238
uint8_t qemu_extra_params_fw[2];
239

    
240
typedef struct FWBootEntry FWBootEntry;
241

    
242
struct FWBootEntry {
243
    QTAILQ_ENTRY(FWBootEntry) link;
244
    int32_t bootindex;
245
    DeviceState *dev;
246
    char *suffix;
247
};
248

    
249
static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
250
    QTAILQ_HEAD_INITIALIZER(fw_boot_order);
251

    
252
int nb_numa_nodes;
253
uint64_t node_mem[MAX_NODES];
254
unsigned long *node_cpumask[MAX_NODES];
255

    
256
uint8_t qemu_uuid[16];
257
bool qemu_uuid_set;
258

    
259
static QEMUBootSetHandler *boot_set_handler;
260
static void *boot_set_opaque;
261

    
262
static NotifierList exit_notifiers =
263
    NOTIFIER_LIST_INITIALIZER(exit_notifiers);
264

    
265
static NotifierList machine_init_done_notifiers =
266
    NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
267

    
268
static bool tcg_allowed = true;
269
bool xen_allowed;
270
uint32_t xen_domid;
271
enum xen_mode xen_mode = XEN_EMULATE;
272
static int tcg_tb_size;
273

    
274
static int default_serial = 1;
275
static int default_parallel = 1;
276
static int default_virtcon = 1;
277
static int default_sclp = 1;
278
static int default_monitor = 1;
279
static int default_floppy = 1;
280
static int default_cdrom = 1;
281
static int default_sdcard = 1;
282
static int default_vga = 1;
283

    
284
static struct {
285
    const char *driver;
286
    int *flag;
287
} default_list[] = {
288
    { .driver = "isa-serial",           .flag = &default_serial    },
289
    { .driver = "isa-parallel",         .flag = &default_parallel  },
290
    { .driver = "isa-fdc",              .flag = &default_floppy    },
291
    { .driver = "ide-cd",               .flag = &default_cdrom     },
292
    { .driver = "ide-hd",               .flag = &default_cdrom     },
293
    { .driver = "ide-drive",            .flag = &default_cdrom     },
294
    { .driver = "scsi-cd",              .flag = &default_cdrom     },
295
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
296
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
297
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
298
    { .driver = "VGA",                  .flag = &default_vga       },
299
    { .driver = "isa-vga",              .flag = &default_vga       },
300
    { .driver = "cirrus-vga",           .flag = &default_vga       },
301
    { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
302
    { .driver = "vmware-svga",          .flag = &default_vga       },
303
    { .driver = "qxl-vga",              .flag = &default_vga       },
304
};
305

    
306
static QemuOptsList qemu_rtc_opts = {
307
    .name = "rtc",
308
    .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
309
    .desc = {
310
        {
311
            .name = "base",
312
            .type = QEMU_OPT_STRING,
313
        },{
314
            .name = "clock",
315
            .type = QEMU_OPT_STRING,
316
        },{
317
            .name = "driftfix",
318
            .type = QEMU_OPT_STRING,
319
        },
320
        { /* end of list */ }
321
    },
322
};
323

    
324
static QemuOptsList qemu_sandbox_opts = {
325
    .name = "sandbox",
326
    .implied_opt_name = "enable",
327
    .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
328
    .desc = {
329
        {
330
            .name = "enable",
331
            .type = QEMU_OPT_BOOL,
332
        },
333
        { /* end of list */ }
334
    },
335
};
336

    
337
static QemuOptsList qemu_trace_opts = {
338
    .name = "trace",
339
    .implied_opt_name = "trace",
340
    .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
341
    .desc = {
342
        {
343
            .name = "events",
344
            .type = QEMU_OPT_STRING,
345
        },{
346
            .name = "file",
347
            .type = QEMU_OPT_STRING,
348
        },
349
        { /* end of list */ }
350
    },
351
};
352

    
353
static QemuOptsList qemu_option_rom_opts = {
354
    .name = "option-rom",
355
    .implied_opt_name = "romfile",
356
    .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
357
    .desc = {
358
        {
359
            .name = "bootindex",
360
            .type = QEMU_OPT_NUMBER,
361
        }, {
362
            .name = "romfile",
363
            .type = QEMU_OPT_STRING,
364
        },
365
        { /* end of list */ }
366
    },
367
};
368

    
369
static QemuOptsList qemu_machine_opts = {
370
    .name = "machine",
371
    .implied_opt_name = "type",
372
    .merge_lists = true,
373
    .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
374
    .desc = {
375
        {
376
            .name = "type",
377
            .type = QEMU_OPT_STRING,
378
            .help = "emulated machine"
379
        }, {
380
            .name = "accel",
381
            .type = QEMU_OPT_STRING,
382
            .help = "accelerator list",
383
        }, {
384
            .name = "kernel_irqchip",
385
            .type = QEMU_OPT_BOOL,
386
            .help = "use KVM in-kernel irqchip",
387
        }, {
388
            .name = "kvm_shadow_mem",
389
            .type = QEMU_OPT_SIZE,
390
            .help = "KVM shadow MMU size",
391
        }, {
392
            .name = "kernel",
393
            .type = QEMU_OPT_STRING,
394
            .help = "Linux kernel image file",
395
        }, {
396
            .name = "initrd",
397
            .type = QEMU_OPT_STRING,
398
            .help = "Linux initial ramdisk file",
399
        }, {
400
            .name = "append",
401
            .type = QEMU_OPT_STRING,
402
            .help = "Linux kernel command line",
403
        }, {
404
            .name = "dtb",
405
            .type = QEMU_OPT_STRING,
406
            .help = "Linux kernel device tree file",
407
        }, {
408
            .name = "dumpdtb",
409
            .type = QEMU_OPT_STRING,
410
            .help = "Dump current dtb to a file and quit",
411
        }, {
412
            .name = "phandle_start",
413
            .type = QEMU_OPT_NUMBER,
414
            .help = "The first phandle ID we may generate dynamically",
415
        }, {
416
            .name = "dt_compatible",
417
            .type = QEMU_OPT_STRING,
418
            .help = "Overrides the \"compatible\" property of the dt root node",
419
        }, {
420
            .name = "dump-guest-core",
421
            .type = QEMU_OPT_BOOL,
422
            .help = "Include guest memory in  a core dump",
423
        }, {
424
            .name = "mem-merge",
425
            .type = QEMU_OPT_BOOL,
426
            .help = "enable/disable memory merge support",
427
        },{
428
            .name = "usb",
429
            .type = QEMU_OPT_BOOL,
430
            .help = "Set on/off to enable/disable usb",
431
        },
432
        { /* End of list */ }
433
    },
434
};
435

    
436
static QemuOptsList qemu_boot_opts = {
437
    .name = "boot-opts",
438
    .implied_opt_name = "order",
439
    .merge_lists = true,
440
    .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
441
    .desc = {
442
        {
443
            .name = "order",
444
            .type = QEMU_OPT_STRING,
445
        }, {
446
            .name = "once",
447
            .type = QEMU_OPT_STRING,
448
        }, {
449
            .name = "menu",
450
            .type = QEMU_OPT_BOOL,
451
        }, {
452
            .name = "splash",
453
            .type = QEMU_OPT_STRING,
454
        }, {
455
            .name = "splash-time",
456
            .type = QEMU_OPT_STRING,
457
        }, {
458
            .name = "reboot-timeout",
459
            .type = QEMU_OPT_STRING,
460
        }, {
461
            .name = "strict",
462
            .type = QEMU_OPT_STRING,
463
        },
464
        { /*End of list */ }
465
    },
466
};
467

    
468
static QemuOptsList qemu_add_fd_opts = {
469
    .name = "add-fd",
470
    .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
471
    .desc = {
472
        {
473
            .name = "fd",
474
            .type = QEMU_OPT_NUMBER,
475
            .help = "file descriptor of which a duplicate is added to fd set",
476
        },{
477
            .name = "set",
478
            .type = QEMU_OPT_NUMBER,
479
            .help = "ID of the fd set to add fd to",
480
        },{
481
            .name = "opaque",
482
            .type = QEMU_OPT_STRING,
483
            .help = "free-form string used to describe fd",
484
        },
485
        { /* end of list */ }
486
    },
487
};
488

    
489
static QemuOptsList qemu_object_opts = {
490
    .name = "object",
491
    .implied_opt_name = "qom-type",
492
    .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
493
    .desc = {
494
        { }
495
    },
496
};
497

    
498
static QemuOptsList qemu_tpmdev_opts = {
499
    .name = "tpmdev",
500
    .implied_opt_name = "type",
501
    .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
502
    .desc = {
503
        /* options are defined in the TPM backends */
504
        { /* end of list */ }
505
    },
506
};
507

    
508
static QemuOptsList qemu_realtime_opts = {
509
    .name = "realtime",
510
    .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
511
    .desc = {
512
        {
513
            .name = "mlock",
514
            .type = QEMU_OPT_BOOL,
515
        },
516
        { /* end of list */ }
517
    },
518
};
519

    
520
static QemuOptsList qemu_msg_opts = {
521
    .name = "msg",
522
    .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
523
    .desc = {
524
        {
525
            .name = "timestamp",
526
            .type = QEMU_OPT_BOOL,
527
        },
528
        { /* end of list */ }
529
    },
530
};
531

    
532
/**
533
 * Get machine options
534
 *
535
 * Returns: machine options (never null).
536
 */
537
QemuOpts *qemu_get_machine_opts(void)
538
{
539
    QemuOptsList *list;
540
    QemuOpts *opts;
541

    
542
    list = qemu_find_opts("machine");
543
    assert(list);
544
    opts = qemu_opts_find(list, NULL);
545
    if (!opts) {
546
        opts = qemu_opts_create_nofail(list);
547
    }
548
    return opts;
549
}
550

    
551
const char *qemu_get_vm_name(void)
552
{
553
    return qemu_name;
554
}
555

    
556
static void res_free(void)
557
{
558
    if (boot_splash_filedata != NULL) {
559
        g_free(boot_splash_filedata);
560
        boot_splash_filedata = NULL;
561
    }
562
}
563

    
564
static int default_driver_check(QemuOpts *opts, void *opaque)
565
{
566
    const char *driver = qemu_opt_get(opts, "driver");
567
    int i;
568

    
569
    if (!driver)
570
        return 0;
571
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
572
        if (strcmp(default_list[i].driver, driver) != 0)
573
            continue;
574
        *(default_list[i].flag) = 0;
575
    }
576
    return 0;
577
}
578

    
579
/***********************************************************/
580
/* QEMU state */
581

    
582
static RunState current_run_state = RUN_STATE_PRELAUNCH;
583

    
584
typedef struct {
585
    RunState from;
586
    RunState to;
587
} RunStateTransition;
588

    
589
static const RunStateTransition runstate_transitions_def[] = {
590
    /*     from      ->     to      */
591
    { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
592

    
593
    { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
594
    { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
595

    
596
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
597
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
598

    
599
    { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
600
    { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
601

    
602
    { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
603
    { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
604

    
605
    { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
606
    { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
607

    
608
    { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
609
    { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
610
    { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
611

    
612
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
613
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
614

    
615
    { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
616

    
617
    { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
618
    { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
619
    { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
620
    { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
621
    { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
622
    { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
623
    { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
624
    { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
625
    { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
626
    { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
627

    
628
    { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
629

    
630
    { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
631
    { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
632

    
633
    { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
634
    { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
635
    { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
636
    { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
637

    
638
    { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
639
    { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
640

    
641
    { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
642
    { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
643

    
644
    { RUN_STATE_MAX, RUN_STATE_MAX },
645
};
646

    
647
static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
648

    
649
bool runstate_check(RunState state)
650
{
651
    return current_run_state == state;
652
}
653

    
654
static void runstate_init(void)
655
{
656
    const RunStateTransition *p;
657

    
658
    memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
659

    
660
    for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
661
        runstate_valid_transitions[p->from][p->to] = true;
662
    }
663
}
664

    
665
/* This function will abort() on invalid state transitions */
666
void runstate_set(RunState new_state)
667
{
668
    assert(new_state < RUN_STATE_MAX);
669

    
670
    if (!runstate_valid_transitions[current_run_state][new_state]) {
671
        fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
672
                RunState_lookup[current_run_state],
673
                RunState_lookup[new_state]);
674
        abort();
675
    }
676
    trace_runstate_set(new_state);
677
    current_run_state = new_state;
678
}
679

    
680
int runstate_is_running(void)
681
{
682
    return runstate_check(RUN_STATE_RUNNING);
683
}
684

    
685
bool runstate_needs_reset(void)
686
{
687
    return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
688
        runstate_check(RUN_STATE_SHUTDOWN);
689
}
690

    
691
StatusInfo *qmp_query_status(Error **errp)
692
{
693
    StatusInfo *info = g_malloc0(sizeof(*info));
694

    
695
    info->running = runstate_is_running();
696
    info->singlestep = singlestep;
697
    info->status = current_run_state;
698

    
699
    return info;
700
}
701

    
702
/***********************************************************/
703
/* real time host monotonic timer */
704

    
705
/***********************************************************/
706
/* host time/date access */
707
void qemu_get_timedate(struct tm *tm, int offset)
708
{
709
    time_t ti;
710

    
711
    time(&ti);
712
    ti += offset;
713
    if (rtc_date_offset == -1) {
714
        if (rtc_utc)
715
            gmtime_r(&ti, tm);
716
        else
717
            localtime_r(&ti, tm);
718
    } else {
719
        ti -= rtc_date_offset;
720
        gmtime_r(&ti, tm);
721
    }
722
}
723

    
724
int qemu_timedate_diff(struct tm *tm)
725
{
726
    time_t seconds;
727

    
728
    if (rtc_date_offset == -1)
729
        if (rtc_utc)
730
            seconds = mktimegm(tm);
731
        else {
732
            struct tm tmp = *tm;
733
            tmp.tm_isdst = -1; /* use timezone to figure it out */
734
            seconds = mktime(&tmp);
735
        }
736
    else
737
        seconds = mktimegm(tm) + rtc_date_offset;
738

    
739
    return seconds - time(NULL);
740
}
741

    
742
void rtc_change_mon_event(struct tm *tm)
743
{
744
    QObject *data;
745

    
746
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
747
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
748
    qobject_decref(data);
749
}
750

    
751
static void configure_rtc_date_offset(const char *startdate, int legacy)
752
{
753
    time_t rtc_start_date;
754
    struct tm tm;
755

    
756
    if (!strcmp(startdate, "now") && legacy) {
757
        rtc_date_offset = -1;
758
    } else {
759
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
760
                   &tm.tm_year,
761
                   &tm.tm_mon,
762
                   &tm.tm_mday,
763
                   &tm.tm_hour,
764
                   &tm.tm_min,
765
                   &tm.tm_sec) == 6) {
766
            /* OK */
767
        } else if (sscanf(startdate, "%d-%d-%d",
768
                          &tm.tm_year,
769
                          &tm.tm_mon,
770
                          &tm.tm_mday) == 3) {
771
            tm.tm_hour = 0;
772
            tm.tm_min = 0;
773
            tm.tm_sec = 0;
774
        } else {
775
            goto date_fail;
776
        }
777
        tm.tm_year -= 1900;
778
        tm.tm_mon--;
779
        rtc_start_date = mktimegm(&tm);
780
        if (rtc_start_date == -1) {
781
        date_fail:
782
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
783
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
784
            exit(1);
785
        }
786
        rtc_date_offset = time(NULL) - rtc_start_date;
787
    }
788
}
789

    
790
static void configure_rtc(QemuOpts *opts)
791
{
792
    const char *value;
793

    
794
    value = qemu_opt_get(opts, "base");
795
    if (value) {
796
        if (!strcmp(value, "utc")) {
797
            rtc_utc = 1;
798
        } else if (!strcmp(value, "localtime")) {
799
            rtc_utc = 0;
800
        } else {
801
            configure_rtc_date_offset(value, 0);
802
        }
803
    }
804
    value = qemu_opt_get(opts, "clock");
805
    if (value) {
806
        if (!strcmp(value, "host")) {
807
            rtc_clock = QEMU_CLOCK_HOST;
808
        } else if (!strcmp(value, "rt")) {
809
            rtc_clock = QEMU_CLOCK_REALTIME;
810
        } else if (!strcmp(value, "vm")) {
811
            rtc_clock = QEMU_CLOCK_VIRTUAL;
812
        } else {
813
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
814
            exit(1);
815
        }
816
    }
817
    value = qemu_opt_get(opts, "driftfix");
818
    if (value) {
819
        if (!strcmp(value, "slew")) {
820
            static GlobalProperty slew_lost_ticks[] = {
821
                {
822
                    .driver   = "mc146818rtc",
823
                    .property = "lost_tick_policy",
824
                    .value    = "slew",
825
                },
826
                { /* end of list */ }
827
            };
828

    
829
            qdev_prop_register_global_list(slew_lost_ticks);
830
        } else if (!strcmp(value, "none")) {
831
            /* discard is default */
832
        } else {
833
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
834
            exit(1);
835
        }
836
    }
837
}
838

    
839
/***********************************************************/
840
/* Bluetooth support */
841
static int nb_hcis;
842
static int cur_hci;
843
static struct HCIInfo *hci_table[MAX_NICS];
844

    
845
struct HCIInfo *qemu_next_hci(void)
846
{
847
    if (cur_hci == nb_hcis)
848
        return &null_hci;
849

    
850
    return hci_table[cur_hci++];
851
}
852

    
853
static int bt_hci_parse(const char *str)
854
{
855
    struct HCIInfo *hci;
856
    bdaddr_t bdaddr;
857

    
858
    if (nb_hcis >= MAX_NICS) {
859
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
860
        return -1;
861
    }
862

    
863
    hci = hci_init(str);
864
    if (!hci)
865
        return -1;
866

    
867
    bdaddr.b[0] = 0x52;
868
    bdaddr.b[1] = 0x54;
869
    bdaddr.b[2] = 0x00;
870
    bdaddr.b[3] = 0x12;
871
    bdaddr.b[4] = 0x34;
872
    bdaddr.b[5] = 0x56 + nb_hcis;
873
    hci->bdaddr_set(hci, bdaddr.b);
874

    
875
    hci_table[nb_hcis++] = hci;
876

    
877
    return 0;
878
}
879

    
880
static void bt_vhci_add(int vlan_id)
881
{
882
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
883

    
884
    if (!vlan->slave)
885
        fprintf(stderr, "qemu: warning: adding a VHCI to "
886
                        "an empty scatternet %i\n", vlan_id);
887

    
888
    bt_vhci_init(bt_new_hci(vlan));
889
}
890

    
891
static struct bt_device_s *bt_device_add(const char *opt)
892
{
893
    struct bt_scatternet_s *vlan;
894
    int vlan_id = 0;
895
    char *endp = strstr(opt, ",vlan=");
896
    int len = (endp ? endp - opt : strlen(opt)) + 1;
897
    char devname[10];
898

    
899
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
900

    
901
    if (endp) {
902
        vlan_id = strtol(endp + 6, &endp, 0);
903
        if (*endp) {
904
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
905
            return 0;
906
        }
907
    }
908

    
909
    vlan = qemu_find_bt_vlan(vlan_id);
910

    
911
    if (!vlan->slave)
912
        fprintf(stderr, "qemu: warning: adding a slave device to "
913
                        "an empty scatternet %i\n", vlan_id);
914

    
915
    if (!strcmp(devname, "keyboard"))
916
        return bt_keyboard_init(vlan);
917

    
918
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
919
    return 0;
920
}
921

    
922
static int bt_parse(const char *opt)
923
{
924
    const char *endp, *p;
925
    int vlan;
926

    
927
    if (strstart(opt, "hci", &endp)) {
928
        if (!*endp || *endp == ',') {
929
            if (*endp)
930
                if (!strstart(endp, ",vlan=", 0))
931
                    opt = endp + 1;
932

    
933
            return bt_hci_parse(opt);
934
       }
935
    } else if (strstart(opt, "vhci", &endp)) {
936
        if (!*endp || *endp == ',') {
937
            if (*endp) {
938
                if (strstart(endp, ",vlan=", &p)) {
939
                    vlan = strtol(p, (char **) &endp, 0);
940
                    if (*endp) {
941
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
942
                        return 1;
943
                    }
944
                } else {
945
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
946
                    return 1;
947
                }
948
            } else
949
                vlan = 0;
950

    
951
            bt_vhci_add(vlan);
952
            return 0;
953
        }
954
    } else if (strstart(opt, "device:", &endp))
955
        return !bt_device_add(endp);
956

    
957
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
958
    return 1;
959
}
960

    
961
static int parse_sandbox(QemuOpts *opts, void *opaque)
962
{
963
    /* FIXME: change this to true for 1.3 */
964
    if (qemu_opt_get_bool(opts, "enable", false)) {
965
#ifdef CONFIG_SECCOMP
966
        if (seccomp_start() < 0) {
967
            qerror_report(ERROR_CLASS_GENERIC_ERROR,
968
                          "failed to install seccomp syscall filter in the kernel");
969
            return -1;
970
        }
971
#else
972
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
973
                      "sandboxing request but seccomp is not compiled into this build");
974
        return -1;
975
#endif
976
    }
977

    
978
    return 0;
979
}
980

    
981
bool usb_enabled(bool default_usb)
982
{
983
    return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb);
984
}
985

    
986
#ifndef _WIN32
987
static int parse_add_fd(QemuOpts *opts, void *opaque)
988
{
989
    int fd, dupfd, flags;
990
    int64_t fdset_id;
991
    const char *fd_opaque = NULL;
992

    
993
    fd = qemu_opt_get_number(opts, "fd", -1);
994
    fdset_id = qemu_opt_get_number(opts, "set", -1);
995
    fd_opaque = qemu_opt_get(opts, "opaque");
996

    
997
    if (fd < 0) {
998
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
999
                      "fd option is required and must be non-negative");
1000
        return -1;
1001
    }
1002

    
1003
    if (fd <= STDERR_FILENO) {
1004
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1005
                      "fd cannot be a standard I/O stream");
1006
        return -1;
1007
    }
1008

    
1009
    /*
1010
     * All fds inherited across exec() necessarily have FD_CLOEXEC
1011
     * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1012
     */
1013
    flags = fcntl(fd, F_GETFD);
1014
    if (flags == -1 || (flags & FD_CLOEXEC)) {
1015
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1016
                      "fd is not valid or already in use");
1017
        return -1;
1018
    }
1019

    
1020
    if (fdset_id < 0) {
1021
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1022
                      "set option is required and must be non-negative");
1023
        return -1;
1024
    }
1025

    
1026
#ifdef F_DUPFD_CLOEXEC
1027
    dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1028
#else
1029
    dupfd = dup(fd);
1030
    if (dupfd != -1) {
1031
        qemu_set_cloexec(dupfd);
1032
    }
1033
#endif
1034
    if (dupfd == -1) {
1035
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1036
                      "Error duplicating fd: %s", strerror(errno));
1037
        return -1;
1038
    }
1039

    
1040
    /* add the duplicate fd, and optionally the opaque string, to the fd set */
1041
    monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1042
                         fd_opaque, NULL);
1043

    
1044
    return 0;
1045
}
1046

    
1047
static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1048
{
1049
    int fd;
1050

    
1051
    fd = qemu_opt_get_number(opts, "fd", -1);
1052
    close(fd);
1053

    
1054
    return 0;
1055
}
1056
#endif
1057

    
1058
/***********************************************************/
1059
/* QEMU Block devices */
1060

    
1061
#define HD_OPTS "media=disk"
1062
#define CDROM_OPTS "media=cdrom"
1063
#define FD_OPTS ""
1064
#define PFLASH_OPTS ""
1065
#define MTD_OPTS ""
1066
#define SD_OPTS ""
1067

    
1068
static int drive_init_func(QemuOpts *opts, void *opaque)
1069
{
1070
    BlockInterfaceType *block_default_type = opaque;
1071

    
1072
    return drive_init(opts, *block_default_type) == NULL;
1073
}
1074

    
1075
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1076
{
1077
    if (NULL == qemu_opt_get(opts, "snapshot")) {
1078
        qemu_opt_set(opts, "snapshot", "on");
1079
    }
1080
    return 0;
1081
}
1082

    
1083
static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1084
                          int index, const char *optstr)
1085
{
1086
    QemuOpts *opts;
1087

    
1088
    if (!enable || drive_get_by_index(type, index)) {
1089
        return;
1090
    }
1091

    
1092
    opts = drive_add(type, index, NULL, optstr);
1093
    if (snapshot) {
1094
        drive_enable_snapshot(opts, NULL);
1095
    }
1096
    if (!drive_init(opts, type)) {
1097
        exit(1);
1098
    }
1099
}
1100

    
1101
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1102
{
1103
    boot_set_handler = func;
1104
    boot_set_opaque = opaque;
1105
}
1106

    
1107
int qemu_boot_set(const char *boot_order)
1108
{
1109
    if (!boot_set_handler) {
1110
        return -EINVAL;
1111
    }
1112
    return boot_set_handler(boot_set_opaque, boot_order);
1113
}
1114

    
1115
static void validate_bootdevices(const char *devices)
1116
{
1117
    /* We just do some generic consistency checks */
1118
    const char *p;
1119
    int bitmap = 0;
1120

    
1121
    for (p = devices; *p != '\0'; p++) {
1122
        /* Allowed boot devices are:
1123
         * a-b: floppy disk drives
1124
         * c-f: IDE disk drives
1125
         * g-m: machine implementation dependent drives
1126
         * n-p: network devices
1127
         * It's up to each machine implementation to check if the given boot
1128
         * devices match the actual hardware implementation and firmware
1129
         * features.
1130
         */
1131
        if (*p < 'a' || *p > 'p') {
1132
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
1133
            exit(1);
1134
        }
1135
        if (bitmap & (1 << (*p - 'a'))) {
1136
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1137
            exit(1);
1138
        }
1139
        bitmap |= 1 << (*p - 'a');
1140
    }
1141
}
1142

    
1143
static void restore_boot_order(void *opaque)
1144
{
1145
    char *normal_boot_order = opaque;
1146
    static int first = 1;
1147

    
1148
    /* Restore boot order and remove ourselves after the first boot */
1149
    if (first) {
1150
        first = 0;
1151
        return;
1152
    }
1153

    
1154
    qemu_boot_set(normal_boot_order);
1155

    
1156
    qemu_unregister_reset(restore_boot_order, normal_boot_order);
1157
    g_free(normal_boot_order);
1158
}
1159

    
1160
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1161
                          const char *suffix)
1162
{
1163
    FWBootEntry *node, *i;
1164

    
1165
    if (bootindex < 0) {
1166
        return;
1167
    }
1168

    
1169
    assert(dev != NULL || suffix != NULL);
1170

    
1171
    node = g_malloc0(sizeof(FWBootEntry));
1172
    node->bootindex = bootindex;
1173
    node->suffix = g_strdup(suffix);
1174
    node->dev = dev;
1175

    
1176
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
1177
        if (i->bootindex == bootindex) {
1178
            fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1179
            exit(1);
1180
        } else if (i->bootindex < bootindex) {
1181
            continue;
1182
        }
1183
        QTAILQ_INSERT_BEFORE(i, node, link);
1184
        return;
1185
    }
1186
    QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1187
}
1188

    
1189
DeviceState *get_boot_device(uint32_t position)
1190
{
1191
    uint32_t counter = 0;
1192
    FWBootEntry *i = NULL;
1193
    DeviceState *res = NULL;
1194

    
1195
    if (!QTAILQ_EMPTY(&fw_boot_order)) {
1196
        QTAILQ_FOREACH(i, &fw_boot_order, link) {
1197
            if (counter == position) {
1198
                res = i->dev;
1199
                break;
1200
            }
1201
            counter++;
1202
        }
1203
    }
1204
    return res;
1205
}
1206

    
1207
/*
1208
 * This function returns null terminated string that consist of new line
1209
 * separated device paths.
1210
 *
1211
 * memory pointed by "size" is assigned total length of the array in bytes
1212
 *
1213
 */
1214
char *get_boot_devices_list(size_t *size)
1215
{
1216
    FWBootEntry *i;
1217
    size_t total = 0;
1218
    char *list = NULL;
1219

    
1220
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
1221
        char *devpath = NULL, *bootpath;
1222
        size_t len;
1223

    
1224
        if (i->dev) {
1225
            devpath = qdev_get_fw_dev_path(i->dev);
1226
            assert(devpath);
1227
        }
1228

    
1229
        if (i->suffix && devpath) {
1230
            size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1231

    
1232
            bootpath = g_malloc(bootpathlen);
1233
            snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1234
            g_free(devpath);
1235
        } else if (devpath) {
1236
            bootpath = devpath;
1237
        } else {
1238
            assert(i->suffix);
1239
            bootpath = g_strdup(i->suffix);
1240
        }
1241

    
1242
        if (total) {
1243
            list[total-1] = '\n';
1244
        }
1245
        len = strlen(bootpath) + 1;
1246
        list = g_realloc(list, total + len);
1247
        memcpy(&list[total], bootpath, len);
1248
        total += len;
1249
        g_free(bootpath);
1250
    }
1251

    
1252
    *size = total;
1253

    
1254
    if (boot_strict && *size > 0) {
1255
        list[total-1] = '\n';
1256
        list = g_realloc(list, total + 5);
1257
        memcpy(&list[total], "HALT", 5);
1258
        *size = total + 5;
1259
    }
1260
    return list;
1261
}
1262

    
1263
static void numa_node_parse_cpus(int nodenr, const char *cpus)
1264
{
1265
    char *endptr;
1266
    unsigned long long value, endvalue;
1267

    
1268
    /* Empty CPU range strings will be considered valid, they will simply
1269
     * not set any bit in the CPU bitmap.
1270
     */
1271
    if (!*cpus) {
1272
        return;
1273
    }
1274

    
1275
    if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1276
        goto error;
1277
    }
1278
    if (*endptr == '-') {
1279
        if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1280
            goto error;
1281
        }
1282
    } else if (*endptr == '\0') {
1283
        endvalue = value;
1284
    } else {
1285
        goto error;
1286
    }
1287

    
1288
    if (endvalue >= MAX_CPUMASK_BITS) {
1289
        endvalue = MAX_CPUMASK_BITS - 1;
1290
        fprintf(stderr,
1291
            "qemu: NUMA: A max of %d VCPUs are supported\n",
1292
             MAX_CPUMASK_BITS);
1293
    }
1294

    
1295
    if (endvalue < value) {
1296
        goto error;
1297
    }
1298

    
1299
    bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1300
    return;
1301

    
1302
error:
1303
    fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1304
    exit(1);
1305
}
1306

    
1307
static void numa_add(const char *optarg)
1308
{
1309
    char option[128];
1310
    char *endptr;
1311
    unsigned long long nodenr;
1312

    
1313
    optarg = get_opt_name(option, 128, optarg, ',');
1314
    if (*optarg == ',') {
1315
        optarg++;
1316
    }
1317
    if (!strcmp(option, "node")) {
1318

    
1319
        if (nb_numa_nodes >= MAX_NODES) {
1320
            fprintf(stderr, "qemu: too many NUMA nodes\n");
1321
            exit(1);
1322
        }
1323

    
1324
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1325
            nodenr = nb_numa_nodes;
1326
        } else {
1327
            if (parse_uint_full(option, &nodenr, 10) < 0) {
1328
                fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1329
                exit(1);
1330
            }
1331
        }
1332

    
1333
        if (nodenr >= MAX_NODES) {
1334
            fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1335
            exit(1);
1336
        }
1337

    
1338
        if (get_param_value(option, 128, "mem", optarg) == 0) {
1339
            node_mem[nodenr] = 0;
1340
        } else {
1341
            int64_t sval;
1342
            sval = strtosz(option, &endptr);
1343
            if (sval < 0 || *endptr) {
1344
                fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1345
                exit(1);
1346
            }
1347
            node_mem[nodenr] = sval;
1348
        }
1349
        if (get_param_value(option, 128, "cpus", optarg) != 0) {
1350
            numa_node_parse_cpus(nodenr, option);
1351
        }
1352
        nb_numa_nodes++;
1353
    } else {
1354
        fprintf(stderr, "Invalid -numa option: %s\n", option);
1355
        exit(1);
1356
    }
1357
}
1358

    
1359
static QemuOptsList qemu_smp_opts = {
1360
    .name = "smp-opts",
1361
    .implied_opt_name = "cpus",
1362
    .merge_lists = true,
1363
    .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1364
    .desc = {
1365
        {
1366
            .name = "cpus",
1367
            .type = QEMU_OPT_NUMBER,
1368
        }, {
1369
            .name = "sockets",
1370
            .type = QEMU_OPT_NUMBER,
1371
        }, {
1372
            .name = "cores",
1373
            .type = QEMU_OPT_NUMBER,
1374
        }, {
1375
            .name = "threads",
1376
            .type = QEMU_OPT_NUMBER,
1377
        }, {
1378
            .name = "maxcpus",
1379
            .type = QEMU_OPT_NUMBER,
1380
        },
1381
        { /*End of list */ }
1382
    },
1383
};
1384

    
1385
static void smp_parse(QemuOpts *opts)
1386
{
1387
    if (opts) {
1388

    
1389
        unsigned cpus    = qemu_opt_get_number(opts, "cpus", 0);
1390
        unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1391
        unsigned cores   = qemu_opt_get_number(opts, "cores", 0);
1392
        unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1393

    
1394
        /* compute missing values, prefer sockets over cores over threads */
1395
        if (cpus == 0 || sockets == 0) {
1396
            sockets = sockets > 0 ? sockets : 1;
1397
            cores = cores > 0 ? cores : 1;
1398
            threads = threads > 0 ? threads : 1;
1399
            if (cpus == 0) {
1400
                cpus = cores * threads * sockets;
1401
            }
1402
        } else {
1403
            if (cores == 0) {
1404
                threads = threads > 0 ? threads : 1;
1405
                cores = cpus / (sockets * threads);
1406
            } else {
1407
                threads = cpus / (cores * sockets);
1408
            }
1409
        }
1410

    
1411
        max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1412

    
1413
        smp_cpus = cpus;
1414
        smp_cores = cores > 0 ? cores : 1;
1415
        smp_threads = threads > 0 ? threads : 1;
1416

    
1417
    }
1418

    
1419
    if (max_cpus == 0) {
1420
        max_cpus = smp_cpus;
1421
    }
1422

    
1423
    if (max_cpus > 255) {
1424
        fprintf(stderr, "Unsupported number of maxcpus\n");
1425
        exit(1);
1426
    }
1427
    if (max_cpus < smp_cpus) {
1428
        fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1429
        exit(1);
1430
    }
1431

    
1432
}
1433

    
1434
static void configure_realtime(QemuOpts *opts)
1435
{
1436
    bool enable_mlock;
1437

    
1438
    enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1439

    
1440
    if (enable_mlock) {
1441
        if (os_mlock() < 0) {
1442
            fprintf(stderr, "qemu: locking memory failed\n");
1443
            exit(1);
1444
        }
1445
    }
1446
}
1447

    
1448

    
1449
static void configure_msg(QemuOpts *opts)
1450
{
1451
    enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1452
}
1453

    
1454
/***********************************************************/
1455
/* USB devices */
1456

    
1457
static int usb_device_add(const char *devname)
1458
{
1459
    USBDevice *dev = NULL;
1460
#ifndef CONFIG_LINUX
1461
    const char *p;
1462
#endif
1463

    
1464
    if (!usb_enabled(false)) {
1465
        return -1;
1466
    }
1467

    
1468
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
1469
    dev = usbdevice_create(devname);
1470
    if (dev)
1471
        goto done;
1472

    
1473
    /* the other ones */
1474
#ifndef CONFIG_LINUX
1475
    /* only the linux version is qdev-ified, usb-bsd still needs this */
1476
    if (strstart(devname, "host:", &p)) {
1477
        dev = usb_host_device_open(usb_bus_find(-1), p);
1478
    }
1479
#endif
1480
    if (!dev)
1481
        return -1;
1482

    
1483
done:
1484
    return 0;
1485
}
1486

    
1487
static int usb_device_del(const char *devname)
1488
{
1489
    int bus_num, addr;
1490
    const char *p;
1491

    
1492
    if (strstart(devname, "host:", &p)) {
1493
        return -1;
1494
    }
1495

    
1496
    if (!usb_enabled(false)) {
1497
        return -1;
1498
    }
1499

    
1500
    p = strchr(devname, '.');
1501
    if (!p)
1502
        return -1;
1503
    bus_num = strtoul(devname, NULL, 0);
1504
    addr = strtoul(p + 1, NULL, 0);
1505

    
1506
    return usb_device_delete_addr(bus_num, addr);
1507
}
1508

    
1509
static int usb_parse(const char *cmdline)
1510
{
1511
    int r;
1512
    r = usb_device_add(cmdline);
1513
    if (r < 0) {
1514
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1515
    }
1516
    return r;
1517
}
1518

    
1519
void do_usb_add(Monitor *mon, const QDict *qdict)
1520
{
1521
    const char *devname = qdict_get_str(qdict, "devname");
1522
    if (usb_device_add(devname) < 0) {
1523
        error_report("could not add USB device '%s'", devname);
1524
    }
1525
}
1526

    
1527
void do_usb_del(Monitor *mon, const QDict *qdict)
1528
{
1529
    const char *devname = qdict_get_str(qdict, "devname");
1530
    if (usb_device_del(devname) < 0) {
1531
        error_report("could not delete USB device '%s'", devname);
1532
    }
1533
}
1534

    
1535
/***********************************************************/
1536
/* PCMCIA/Cardbus */
1537

    
1538
static struct pcmcia_socket_entry_s {
1539
    PCMCIASocket *socket;
1540
    struct pcmcia_socket_entry_s *next;
1541
} *pcmcia_sockets = 0;
1542

    
1543
void pcmcia_socket_register(PCMCIASocket *socket)
1544
{
1545
    struct pcmcia_socket_entry_s *entry;
1546

    
1547
    entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1548
    entry->socket = socket;
1549
    entry->next = pcmcia_sockets;
1550
    pcmcia_sockets = entry;
1551
}
1552

    
1553
void pcmcia_socket_unregister(PCMCIASocket *socket)
1554
{
1555
    struct pcmcia_socket_entry_s *entry, **ptr;
1556

    
1557
    ptr = &pcmcia_sockets;
1558
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1559
        if (entry->socket == socket) {
1560
            *ptr = entry->next;
1561
            g_free(entry);
1562
        }
1563
}
1564

    
1565
void pcmcia_info(Monitor *mon, const QDict *qdict)
1566
{
1567
    struct pcmcia_socket_entry_s *iter;
1568

    
1569
    if (!pcmcia_sockets)
1570
        monitor_printf(mon, "No PCMCIA sockets\n");
1571

    
1572
    for (iter = pcmcia_sockets; iter; iter = iter->next)
1573
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1574
                       iter->socket->attached ? iter->socket->card_string :
1575
                       "Empty");
1576
}
1577

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

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

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

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

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

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

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

    
1620
MachineInfoList *qmp_query_machines(Error **errp)
1621
{
1622
    MachineInfoList *mach_list = NULL;
1623
    QEMUMachine *m;
1624

    
1625
    for (m = first_machine; m; m = m->next) {
1626
        MachineInfoList *entry;
1627
        MachineInfo *info;
1628

    
1629
        info = g_malloc0(sizeof(*info));
1630
        if (m->is_default) {
1631
            info->has_is_default = true;
1632
            info->is_default = true;
1633
        }
1634

    
1635
        if (m->alias) {
1636
            info->has_alias = true;
1637
            info->alias = g_strdup(m->alias);
1638
        }
1639

    
1640
        info->name = g_strdup(m->name);
1641
        info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1642

    
1643
        entry = g_malloc0(sizeof(*entry));
1644
        entry->value = info;
1645
        entry->next = mach_list;
1646
        mach_list = entry;
1647
    }
1648

    
1649
    return mach_list;
1650
}
1651

    
1652
/***********************************************************/
1653
/* main execution loop */
1654

    
1655
struct vm_change_state_entry {
1656
    VMChangeStateHandler *cb;
1657
    void *opaque;
1658
    QLIST_ENTRY (vm_change_state_entry) entries;
1659
};
1660

    
1661
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1662

    
1663
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1664
                                                     void *opaque)
1665
{
1666
    VMChangeStateEntry *e;
1667

    
1668
    e = g_malloc0(sizeof (*e));
1669

    
1670
    e->cb = cb;
1671
    e->opaque = opaque;
1672
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1673
    return e;
1674
}
1675

    
1676
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1677
{
1678
    QLIST_REMOVE (e, entries);
1679
    g_free (e);
1680
}
1681

    
1682
void vm_state_notify(int running, RunState state)
1683
{
1684
    VMChangeStateEntry *e;
1685

    
1686
    trace_vm_state_notify(running, state);
1687

    
1688
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1689
        e->cb(e->opaque, running, state);
1690
    }
1691
}
1692

    
1693
void vm_start(void)
1694
{
1695
    if (!runstate_is_running()) {
1696
        cpu_enable_ticks();
1697
        runstate_set(RUN_STATE_RUNNING);
1698
        vm_state_notify(1, RUN_STATE_RUNNING);
1699
        resume_all_vcpus();
1700
        monitor_protocol_event(QEVENT_RESUME, NULL);
1701
    }
1702
}
1703

    
1704
/* reset/shutdown handler */
1705

    
1706
typedef struct QEMUResetEntry {
1707
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1708
    QEMUResetHandler *func;
1709
    void *opaque;
1710
} QEMUResetEntry;
1711

    
1712
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1713
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1714
static int reset_requested;
1715
static int shutdown_requested, shutdown_signal = -1;
1716
static pid_t shutdown_pid;
1717
static int powerdown_requested;
1718
static int debug_requested;
1719
static int suspend_requested;
1720
static WakeupReason wakeup_reason;
1721
static NotifierList powerdown_notifiers =
1722
    NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1723
static NotifierList suspend_notifiers =
1724
    NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1725
static NotifierList wakeup_notifiers =
1726
    NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1727
static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1728
static RunState vmstop_requested = RUN_STATE_MAX;
1729

    
1730
int qemu_shutdown_requested_get(void)
1731
{
1732
    return shutdown_requested;
1733
}
1734

    
1735
int qemu_reset_requested_get(void)
1736
{
1737
    return reset_requested;
1738
}
1739

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

    
1747
static void qemu_kill_report(void)
1748
{
1749
    if (!qtest_enabled() && shutdown_signal != -1) {
1750
        fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1751
        if (shutdown_pid == 0) {
1752
            /* This happens for eg ^C at the terminal, so it's worth
1753
             * avoiding printing an odd message in that case.
1754
             */
1755
            fputc('\n', stderr);
1756
        } else {
1757
            fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1758
        }
1759
        shutdown_signal = -1;
1760
    }
1761
}
1762

    
1763
static int qemu_reset_requested(void)
1764
{
1765
    int r = reset_requested;
1766
    reset_requested = 0;
1767
    return r;
1768
}
1769

    
1770
static int qemu_suspend_requested(void)
1771
{
1772
    int r = suspend_requested;
1773
    suspend_requested = 0;
1774
    return r;
1775
}
1776

    
1777
static WakeupReason qemu_wakeup_requested(void)
1778
{
1779
    return wakeup_reason;
1780
}
1781

    
1782
static int qemu_powerdown_requested(void)
1783
{
1784
    int r = powerdown_requested;
1785
    powerdown_requested = 0;
1786
    return r;
1787
}
1788

    
1789
static int qemu_debug_requested(void)
1790
{
1791
    int r = debug_requested;
1792
    debug_requested = 0;
1793
    return r;
1794
}
1795

    
1796
/* We use RUN_STATE_MAX but any invalid value will do */
1797
static bool qemu_vmstop_requested(RunState *r)
1798
{
1799
    if (vmstop_requested < RUN_STATE_MAX) {
1800
        *r = vmstop_requested;
1801
        vmstop_requested = RUN_STATE_MAX;
1802
        return true;
1803
    }
1804

    
1805
    return false;
1806
}
1807

    
1808
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1809
{
1810
    QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1811

    
1812
    re->func = func;
1813
    re->opaque = opaque;
1814
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1815
}
1816

    
1817
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1818
{
1819
    QEMUResetEntry *re;
1820

    
1821
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1822
        if (re->func == func && re->opaque == opaque) {
1823
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1824
            g_free(re);
1825
            return;
1826
        }
1827
    }
1828
}
1829

    
1830
void qemu_devices_reset(void)
1831
{
1832
    QEMUResetEntry *re, *nre;
1833

    
1834
    /* reset all devices */
1835
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1836
        re->func(re->opaque);
1837
    }
1838
}
1839

    
1840
void qemu_system_reset(bool report)
1841
{
1842
    if (current_machine && current_machine->reset) {
1843
        current_machine->reset();
1844
    } else {
1845
        qemu_devices_reset();
1846
    }
1847
    if (report) {
1848
        monitor_protocol_event(QEVENT_RESET, NULL);
1849
    }
1850
    cpu_synchronize_all_post_reset();
1851
}
1852

    
1853
void qemu_system_reset_request(void)
1854
{
1855
    if (no_reboot) {
1856
        shutdown_requested = 1;
1857
    } else {
1858
        reset_requested = 1;
1859
    }
1860
    cpu_stop_current();
1861
    qemu_notify_event();
1862
}
1863

    
1864
static void qemu_system_suspend(void)
1865
{
1866
    pause_all_vcpus();
1867
    notifier_list_notify(&suspend_notifiers, NULL);
1868
    runstate_set(RUN_STATE_SUSPENDED);
1869
    monitor_protocol_event(QEVENT_SUSPEND, NULL);
1870
}
1871

    
1872
void qemu_system_suspend_request(void)
1873
{
1874
    if (runstate_check(RUN_STATE_SUSPENDED)) {
1875
        return;
1876
    }
1877
    suspend_requested = 1;
1878
    cpu_stop_current();
1879
    qemu_notify_event();
1880
}
1881

    
1882
void qemu_register_suspend_notifier(Notifier *notifier)
1883
{
1884
    notifier_list_add(&suspend_notifiers, notifier);
1885
}
1886

    
1887
void qemu_system_wakeup_request(WakeupReason reason)
1888
{
1889
    if (!runstate_check(RUN_STATE_SUSPENDED)) {
1890
        return;
1891
    }
1892
    if (!(wakeup_reason_mask & (1 << reason))) {
1893
        return;
1894
    }
1895
    runstate_set(RUN_STATE_RUNNING);
1896
    wakeup_reason = reason;
1897
    qemu_notify_event();
1898
}
1899

    
1900
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1901
{
1902
    if (enabled) {
1903
        wakeup_reason_mask |= (1 << reason);
1904
    } else {
1905
        wakeup_reason_mask &= ~(1 << reason);
1906
    }
1907
}
1908

    
1909
void qemu_register_wakeup_notifier(Notifier *notifier)
1910
{
1911
    notifier_list_add(&wakeup_notifiers, notifier);
1912
}
1913

    
1914
void qemu_system_killed(int signal, pid_t pid)
1915
{
1916
    shutdown_signal = signal;
1917
    shutdown_pid = pid;
1918
    no_shutdown = 0;
1919
    qemu_system_shutdown_request();
1920
}
1921

    
1922
void qemu_system_shutdown_request(void)
1923
{
1924
    shutdown_requested = 1;
1925
    qemu_notify_event();
1926
}
1927

    
1928
static void qemu_system_powerdown(void)
1929
{
1930
    monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1931
    notifier_list_notify(&powerdown_notifiers, NULL);
1932
}
1933

    
1934
void qemu_system_powerdown_request(void)
1935
{
1936
    powerdown_requested = 1;
1937
    qemu_notify_event();
1938
}
1939

    
1940
void qemu_register_powerdown_notifier(Notifier *notifier)
1941
{
1942
    notifier_list_add(&powerdown_notifiers, notifier);
1943
}
1944

    
1945
void qemu_system_debug_request(void)
1946
{
1947
    debug_requested = 1;
1948
    qemu_notify_event();
1949
}
1950

    
1951
void qemu_system_vmstop_request(RunState state)
1952
{
1953
    vmstop_requested = state;
1954
    qemu_notify_event();
1955
}
1956

    
1957
static bool main_loop_should_exit(void)
1958
{
1959
    RunState r;
1960
    if (qemu_debug_requested()) {
1961
        vm_stop(RUN_STATE_DEBUG);
1962
    }
1963
    if (qemu_suspend_requested()) {
1964
        qemu_system_suspend();
1965
    }
1966
    if (qemu_shutdown_requested()) {
1967
        qemu_kill_report();
1968
        monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1969
        if (no_shutdown) {
1970
            vm_stop(RUN_STATE_SHUTDOWN);
1971
        } else {
1972
            return true;
1973
        }
1974
    }
1975
    if (qemu_reset_requested()) {
1976
        pause_all_vcpus();
1977
        cpu_synchronize_all_states();
1978
        qemu_system_reset(VMRESET_REPORT);
1979
        resume_all_vcpus();
1980
        if (runstate_needs_reset()) {
1981
            runstate_set(RUN_STATE_PAUSED);
1982
        }
1983
    }
1984
    if (qemu_wakeup_requested()) {
1985
        pause_all_vcpus();
1986
        cpu_synchronize_all_states();
1987
        qemu_system_reset(VMRESET_SILENT);
1988
        notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1989
        wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1990
        resume_all_vcpus();
1991
        monitor_protocol_event(QEVENT_WAKEUP, NULL);
1992
    }
1993
    if (qemu_powerdown_requested()) {
1994
        qemu_system_powerdown();
1995
    }
1996
    if (qemu_vmstop_requested(&r)) {
1997
        vm_stop(r);
1998
    }
1999
    return false;
2000
}
2001

    
2002
static void main_loop(void)
2003
{
2004
    bool nonblocking;
2005
    int last_io = 0;
2006
#ifdef CONFIG_PROFILER
2007
    int64_t ti;
2008
#endif
2009
    do {
2010
        nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2011
#ifdef CONFIG_PROFILER
2012
        ti = profile_getclock();
2013
#endif
2014
        last_io = main_loop_wait(nonblocking);
2015
#ifdef CONFIG_PROFILER
2016
        dev_time += profile_getclock() - ti;
2017
#endif
2018
    } while (!main_loop_should_exit());
2019
}
2020

    
2021
static void version(void)
2022
{
2023
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2024
}
2025

    
2026
static void help(int exitcode)
2027
{
2028
    version();
2029
    printf("usage: %s [options] [disk_image]\n\n"
2030
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2031
            error_get_progname());
2032

    
2033
#define QEMU_OPTIONS_GENERATE_HELP
2034
#include "qemu-options-wrapper.h"
2035

    
2036
    printf("\nDuring emulation, the following keys are useful:\n"
2037
           "ctrl-alt-f      toggle full screen\n"
2038
           "ctrl-alt-n      switch to virtual console 'n'\n"
2039
           "ctrl-alt        toggle mouse and keyboard grab\n"
2040
           "\n"
2041
           "When using -nographic, press 'ctrl-a h' to get some help.\n");
2042

    
2043
    exit(exitcode);
2044
}
2045

    
2046
#define HAS_ARG 0x0001
2047

    
2048
typedef struct QEMUOption {
2049
    const char *name;
2050
    int flags;
2051
    int index;
2052
    uint32_t arch_mask;
2053
} QEMUOption;
2054

    
2055
static const QEMUOption qemu_options[] = {
2056
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2057
#define QEMU_OPTIONS_GENERATE_OPTIONS
2058
#include "qemu-options-wrapper.h"
2059
    { NULL },
2060
};
2061

    
2062
static bool vga_available(void)
2063
{
2064
    return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2065
}
2066

    
2067
static bool cirrus_vga_available(void)
2068
{
2069
    return object_class_by_name("cirrus-vga")
2070
           || object_class_by_name("isa-cirrus-vga");
2071
}
2072

    
2073
static bool vmware_vga_available(void)
2074
{
2075
    return object_class_by_name("vmware-svga");
2076
}
2077

    
2078
static bool qxl_vga_available(void)
2079
{
2080
    return object_class_by_name("qxl-vga");
2081
}
2082

    
2083
static void select_vgahw (const char *p)
2084
{
2085
    const char *opts;
2086

    
2087
    vga_interface_type = VGA_NONE;
2088
    if (strstart(p, "std", &opts)) {
2089
        if (vga_available()) {
2090
            vga_interface_type = VGA_STD;
2091
        } else {
2092
            fprintf(stderr, "Error: standard VGA not available\n");
2093
            exit(0);
2094
        }
2095
    } else if (strstart(p, "cirrus", &opts)) {
2096
        if (cirrus_vga_available()) {
2097
            vga_interface_type = VGA_CIRRUS;
2098
        } else {
2099
            fprintf(stderr, "Error: Cirrus VGA not available\n");
2100
            exit(0);
2101
        }
2102
    } else if (strstart(p, "vmware", &opts)) {
2103
        if (vmware_vga_available()) {
2104
            vga_interface_type = VGA_VMWARE;
2105
        } else {
2106
            fprintf(stderr, "Error: VMWare SVGA not available\n");
2107
            exit(0);
2108
        }
2109
    } else if (strstart(p, "xenfb", &opts)) {
2110
        vga_interface_type = VGA_XENFB;
2111
    } else if (strstart(p, "qxl", &opts)) {
2112
        if (qxl_vga_available()) {
2113
            vga_interface_type = VGA_QXL;
2114
        } else {
2115
            fprintf(stderr, "Error: QXL VGA not available\n");
2116
            exit(0);
2117
        }
2118
    } else if (!strstart(p, "none", &opts)) {
2119
    invalid_vga:
2120
        fprintf(stderr, "Unknown vga type: %s\n", p);
2121
        exit(1);
2122
    }
2123
    while (*opts) {
2124
        const char *nextopt;
2125

    
2126
        if (strstart(opts, ",retrace=", &nextopt)) {
2127
            opts = nextopt;
2128
            if (strstart(opts, "dumb", &nextopt))
2129
                vga_retrace_method = VGA_RETRACE_DUMB;
2130
            else if (strstart(opts, "precise", &nextopt))
2131
                vga_retrace_method = VGA_RETRACE_PRECISE;
2132
            else goto invalid_vga;
2133
        } else goto invalid_vga;
2134
        opts = nextopt;
2135
    }
2136
}
2137

    
2138
static DisplayType select_display(const char *p)
2139
{
2140
    const char *opts;
2141
    DisplayType display = DT_DEFAULT;
2142

    
2143
    if (strstart(p, "sdl", &opts)) {
2144
#ifdef CONFIG_SDL
2145
        display = DT_SDL;
2146
        while (*opts) {
2147
            const char *nextopt;
2148

    
2149
            if (strstart(opts, ",frame=", &nextopt)) {
2150
                opts = nextopt;
2151
                if (strstart(opts, "on", &nextopt)) {
2152
                    no_frame = 0;
2153
                } else if (strstart(opts, "off", &nextopt)) {
2154
                    no_frame = 1;
2155
                } else {
2156
                    goto invalid_sdl_args;
2157
                }
2158
            } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2159
                opts = nextopt;
2160
                if (strstart(opts, "on", &nextopt)) {
2161
                    alt_grab = 1;
2162
                } else if (strstart(opts, "off", &nextopt)) {
2163
                    alt_grab = 0;
2164
                } else {
2165
                    goto invalid_sdl_args;
2166
                }
2167
            } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2168
                opts = nextopt;
2169
                if (strstart(opts, "on", &nextopt)) {
2170
                    ctrl_grab = 1;
2171
                } else if (strstart(opts, "off", &nextopt)) {
2172
                    ctrl_grab = 0;
2173
                } else {
2174
                    goto invalid_sdl_args;
2175
                }
2176
            } else if (strstart(opts, ",window_close=", &nextopt)) {
2177
                opts = nextopt;
2178
                if (strstart(opts, "on", &nextopt)) {
2179
                    no_quit = 0;
2180
                } else if (strstart(opts, "off", &nextopt)) {
2181
                    no_quit = 1;
2182
                } else {
2183
                    goto invalid_sdl_args;
2184
                }
2185
            } else {
2186
            invalid_sdl_args:
2187
                fprintf(stderr, "Invalid SDL option string: %s\n", p);
2188
                exit(1);
2189
            }
2190
            opts = nextopt;
2191
        }
2192
#else
2193
        fprintf(stderr, "SDL support is disabled\n");
2194
        exit(1);
2195
#endif
2196
    } else if (strstart(p, "vnc", &opts)) {
2197
#ifdef CONFIG_VNC
2198
        display_remote++;
2199

    
2200
        if (*opts) {
2201
            const char *nextopt;
2202

    
2203
            if (strstart(opts, "=", &nextopt)) {
2204
                vnc_display = nextopt;
2205
            }
2206
        }
2207
        if (!vnc_display) {
2208
            fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2209
            exit(1);
2210
        }
2211
#else
2212
        fprintf(stderr, "VNC support is disabled\n");
2213
        exit(1);
2214
#endif
2215
    } else if (strstart(p, "curses", &opts)) {
2216
#ifdef CONFIG_CURSES
2217
        display = DT_CURSES;
2218
#else
2219
        fprintf(stderr, "Curses support is disabled\n");
2220
        exit(1);
2221
#endif
2222
    } else if (strstart(p, "gtk", &opts)) {
2223
#ifdef CONFIG_GTK
2224
        display = DT_GTK;
2225
#else
2226
        fprintf(stderr, "GTK support is disabled\n");
2227
        exit(1);
2228
#endif
2229
    } else if (strstart(p, "none", &opts)) {
2230
        display = DT_NONE;
2231
    } else {
2232
        fprintf(stderr, "Unknown display type: %s\n", p);
2233
        exit(1);
2234
    }
2235

    
2236
    return display;
2237
}
2238

    
2239
static int balloon_parse(const char *arg)
2240
{
2241
    QemuOpts *opts;
2242

    
2243
    if (strcmp(arg, "none") == 0) {
2244
        return 0;
2245
    }
2246

    
2247
    if (!strncmp(arg, "virtio", 6)) {
2248
        if (arg[6] == ',') {
2249
            /* have params -> parse them */
2250
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2251
            if (!opts)
2252
                return  -1;
2253
        } else {
2254
            /* create empty opts */
2255
            opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2256
        }
2257
        qemu_opt_set(opts, "driver", "virtio-balloon");
2258
        return 0;
2259
    }
2260

    
2261
    return -1;
2262
}
2263

    
2264
char *qemu_find_file(int type, const char *name)
2265
{
2266
    int i;
2267
    const char *subdir;
2268
    char *buf;
2269

    
2270
    /* Try the name as a straight path first */
2271
    if (access(name, R_OK) == 0) {
2272
        trace_load_file(name, name);
2273
        return g_strdup(name);
2274
    }
2275

    
2276
    switch (type) {
2277
    case QEMU_FILE_TYPE_BIOS:
2278
        subdir = "";
2279
        break;
2280
    case QEMU_FILE_TYPE_KEYMAP:
2281
        subdir = "keymaps/";
2282
        break;
2283
    default:
2284
        abort();
2285
    }
2286

    
2287
    for (i = 0; i < data_dir_idx; i++) {
2288
        buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2289
        if (access(buf, R_OK) == 0) {
2290
            trace_load_file(name, buf);
2291
            return buf;
2292
        }
2293
        g_free(buf);
2294
    }
2295
    return NULL;
2296
}
2297

    
2298
static int device_help_func(QemuOpts *opts, void *opaque)
2299
{
2300
    return qdev_device_help(opts);
2301
}
2302

    
2303
static int device_init_func(QemuOpts *opts, void *opaque)
2304
{
2305
    DeviceState *dev;
2306

    
2307
    dev = qdev_device_add(opts);
2308
    if (!dev)
2309
        return -1;
2310
    object_unref(OBJECT(dev));
2311
    return 0;
2312
}
2313

    
2314
static int chardev_init_func(QemuOpts *opts, void *opaque)
2315
{
2316
    Error *local_err = NULL;
2317

    
2318
    qemu_chr_new_from_opts(opts, NULL, &local_err);
2319
    if (error_is_set(&local_err)) {
2320
        error_report("%s", error_get_pretty(local_err));
2321
        error_free(local_err);
2322
        return -1;
2323
    }
2324
    return 0;
2325
}
2326

    
2327
#ifdef CONFIG_VIRTFS
2328
static int fsdev_init_func(QemuOpts *opts, void *opaque)
2329
{
2330
    int ret;
2331
    ret = qemu_fsdev_add(opts);
2332

    
2333
    return ret;
2334
}
2335
#endif
2336

    
2337
static int mon_init_func(QemuOpts *opts, void *opaque)
2338
{
2339
    CharDriverState *chr;
2340
    const char *chardev;
2341
    const char *mode;
2342
    int flags;
2343

    
2344
    mode = qemu_opt_get(opts, "mode");
2345
    if (mode == NULL) {
2346
        mode = "readline";
2347
    }
2348
    if (strcmp(mode, "readline") == 0) {
2349
        flags = MONITOR_USE_READLINE;
2350
    } else if (strcmp(mode, "control") == 0) {
2351
        flags = MONITOR_USE_CONTROL;
2352
    } else {
2353
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2354
        exit(1);
2355
    }
2356

    
2357
    if (qemu_opt_get_bool(opts, "pretty", 0))
2358
        flags |= MONITOR_USE_PRETTY;
2359

    
2360
    if (qemu_opt_get_bool(opts, "default", 0))
2361
        flags |= MONITOR_IS_DEFAULT;
2362

    
2363
    chardev = qemu_opt_get(opts, "chardev");
2364
    chr = qemu_chr_find(chardev);
2365
    if (chr == NULL) {
2366
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2367
        exit(1);
2368
    }
2369

    
2370
    qemu_chr_fe_claim_no_fail(chr);
2371
    monitor_init(chr, flags);
2372
    return 0;
2373
}
2374

    
2375
static void monitor_parse(const char *optarg, const char *mode)
2376
{
2377
    static int monitor_device_index = 0;
2378
    QemuOpts *opts;
2379
    const char *p;
2380
    char label[32];
2381
    int def = 0;
2382

    
2383
    if (strstart(optarg, "chardev:", &p)) {
2384
        snprintf(label, sizeof(label), "%s", p);
2385
    } else {
2386
        snprintf(label, sizeof(label), "compat_monitor%d",
2387
                 monitor_device_index);
2388
        if (monitor_device_index == 0) {
2389
            def = 1;
2390
        }
2391
        opts = qemu_chr_parse_compat(label, optarg);
2392
        if (!opts) {
2393
            fprintf(stderr, "parse error: %s\n", optarg);
2394
            exit(1);
2395
        }
2396
    }
2397

    
2398
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2399
    if (!opts) {
2400
        fprintf(stderr, "duplicate chardev: %s\n", label);
2401
        exit(1);
2402
    }
2403
    qemu_opt_set(opts, "mode", mode);
2404
    qemu_opt_set(opts, "chardev", label);
2405
    if (def)
2406
        qemu_opt_set(opts, "default", "on");
2407
    monitor_device_index++;
2408
}
2409

    
2410
struct device_config {
2411
    enum {
2412
        DEV_USB,       /* -usbdevice     */
2413
        DEV_BT,        /* -bt            */
2414
        DEV_SERIAL,    /* -serial        */
2415
        DEV_PARALLEL,  /* -parallel      */
2416
        DEV_VIRTCON,   /* -virtioconsole */
2417
        DEV_DEBUGCON,  /* -debugcon */
2418
        DEV_GDB,       /* -gdb, -s */
2419
        DEV_SCLP,      /* s390 sclp */
2420
    } type;
2421
    const char *cmdline;
2422
    Location loc;
2423
    QTAILQ_ENTRY(device_config) next;
2424
};
2425

    
2426
static QTAILQ_HEAD(, device_config) device_configs =
2427
    QTAILQ_HEAD_INITIALIZER(device_configs);
2428

    
2429
static void add_device_config(int type, const char *cmdline)
2430
{
2431
    struct device_config *conf;
2432

    
2433
    conf = g_malloc0(sizeof(*conf));
2434
    conf->type = type;
2435
    conf->cmdline = cmdline;
2436
    loc_save(&conf->loc);
2437
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2438
}
2439

    
2440
static int foreach_device_config(int type, int (*func)(const char *cmdline))
2441
{
2442
    struct device_config *conf;
2443
    int rc;
2444

    
2445
    QTAILQ_FOREACH(conf, &device_configs, next) {
2446
        if (conf->type != type)
2447
            continue;
2448
        loc_push_restore(&conf->loc);
2449
        rc = func(conf->cmdline);
2450
        loc_pop(&conf->loc);
2451
        if (0 != rc)
2452
            return rc;
2453
    }
2454
    return 0;
2455
}
2456

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

    
2462
    if (strcmp(devname, "none") == 0)
2463
        return 0;
2464
    if (index == MAX_SERIAL_PORTS) {
2465
        fprintf(stderr, "qemu: too many serial ports\n");
2466
        exit(1);
2467
    }
2468
    snprintf(label, sizeof(label), "serial%d", index);
2469
    serial_hds[index] = qemu_chr_new(label, devname, NULL);
2470
    if (!serial_hds[index]) {
2471
        fprintf(stderr, "qemu: could not connect serial device"
2472
                " to character backend '%s'\n", devname);
2473
        return -1;
2474
    }
2475
    index++;
2476
    return 0;
2477
}
2478

    
2479
static int parallel_parse(const char *devname)
2480
{
2481
    static int index = 0;
2482
    char label[32];
2483

    
2484
    if (strcmp(devname, "none") == 0)
2485
        return 0;
2486
    if (index == MAX_PARALLEL_PORTS) {
2487
        fprintf(stderr, "qemu: too many parallel ports\n");
2488
        exit(1);
2489
    }
2490
    snprintf(label, sizeof(label), "parallel%d", index);
2491
    parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2492
    if (!parallel_hds[index]) {
2493
        fprintf(stderr, "qemu: could not connect parallel device"
2494
                " to character backend '%s'\n", devname);
2495
        return -1;
2496
    }
2497
    index++;
2498
    return 0;
2499
}
2500

    
2501
static int virtcon_parse(const char *devname)
2502
{
2503
    QemuOptsList *device = qemu_find_opts("device");
2504
    static int index = 0;
2505
    char label[32];
2506
    QemuOpts *bus_opts, *dev_opts;
2507

    
2508
    if (strcmp(devname, "none") == 0)
2509
        return 0;
2510
    if (index == MAX_VIRTIO_CONSOLES) {
2511
        fprintf(stderr, "qemu: too many virtio consoles\n");
2512
        exit(1);
2513
    }
2514

    
2515
    bus_opts = qemu_opts_create_nofail(device);
2516
    if (arch_type == QEMU_ARCH_S390X) {
2517
        qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2518
    } else {
2519
        qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2520
    }
2521

    
2522
    dev_opts = qemu_opts_create_nofail(device);
2523
    qemu_opt_set(dev_opts, "driver", "virtconsole");
2524

    
2525
    snprintf(label, sizeof(label), "virtcon%d", index);
2526
    virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2527
    if (!virtcon_hds[index]) {
2528
        fprintf(stderr, "qemu: could not connect virtio console"
2529
                " to character backend '%s'\n", devname);
2530
        return -1;
2531
    }
2532
    qemu_opt_set(dev_opts, "chardev", label);
2533

    
2534
    index++;
2535
    return 0;
2536
}
2537

    
2538
static int sclp_parse(const char *devname)
2539
{
2540
    QemuOptsList *device = qemu_find_opts("device");
2541
    static int index = 0;
2542
    char label[32];
2543
    QemuOpts *dev_opts;
2544

    
2545
    if (strcmp(devname, "none") == 0) {
2546
        return 0;
2547
    }
2548
    if (index == MAX_SCLP_CONSOLES) {
2549
        fprintf(stderr, "qemu: too many sclp consoles\n");
2550
        exit(1);
2551
    }
2552

    
2553
    assert(arch_type == QEMU_ARCH_S390X);
2554

    
2555
    dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2556
    qemu_opt_set(dev_opts, "driver", "sclpconsole");
2557

    
2558
    snprintf(label, sizeof(label), "sclpcon%d", index);
2559
    sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2560
    if (!sclp_hds[index]) {
2561
        fprintf(stderr, "qemu: could not connect sclp console"
2562
                " to character backend '%s'\n", devname);
2563
        return -1;
2564
    }
2565
    qemu_opt_set(dev_opts, "chardev", label);
2566

    
2567
    index++;
2568
    return 0;
2569
}
2570

    
2571
static int debugcon_parse(const char *devname)
2572
{
2573
    QemuOpts *opts;
2574

    
2575
    if (!qemu_chr_new("debugcon", devname, NULL)) {
2576
        exit(1);
2577
    }
2578
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2579
    if (!opts) {
2580
        fprintf(stderr, "qemu: already have a debugcon device\n");
2581
        exit(1);
2582
    }
2583
    qemu_opt_set(opts, "driver", "isa-debugcon");
2584
    qemu_opt_set(opts, "chardev", "debugcon");
2585
    return 0;
2586
}
2587

    
2588
static QEMUMachine *machine_parse(const char *name)
2589
{
2590
    QEMUMachine *m, *machine = NULL;
2591

    
2592
    if (name) {
2593
        machine = find_machine(name);
2594
    }
2595
    if (machine) {
2596
        return machine;
2597
    }
2598
    printf("Supported machines are:\n");
2599
    for (m = first_machine; m != NULL; m = m->next) {
2600
        if (m->alias) {
2601
            printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2602
        }
2603
        printf("%-20s %s%s\n", m->name, m->desc,
2604
               m->is_default ? " (default)" : "");
2605
    }
2606
    exit(!name || !is_help_option(name));
2607
}
2608

    
2609
static int tcg_init(void)
2610
{
2611
    tcg_exec_init(tcg_tb_size * 1024 * 1024);
2612
    return 0;
2613
}
2614

    
2615
static struct {
2616
    const char *opt_name;
2617
    const char *name;
2618
    int (*available)(void);
2619
    int (*init)(void);
2620
    bool *allowed;
2621
} accel_list[] = {
2622
    { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2623
    { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2624
    { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2625
    { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2626
};
2627

    
2628
static int configure_accelerator(void)
2629
{
2630
    const char *p;
2631
    char buf[10];
2632
    int i, ret;
2633
    bool accel_initialised = false;
2634
    bool init_failed = false;
2635

    
2636
    p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2637
    if (p == NULL) {
2638
        /* Use the default "accelerator", tcg */
2639
        p = "tcg";
2640
    }
2641

    
2642
    while (!accel_initialised && *p != '\0') {
2643
        if (*p == ':') {
2644
            p++;
2645
        }
2646
        p = get_opt_name(buf, sizeof (buf), p, ':');
2647
        for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2648
            if (strcmp(accel_list[i].opt_name, buf) == 0) {
2649
                if (!accel_list[i].available()) {
2650
                    printf("%s not supported for this target\n",
2651
                           accel_list[i].name);
2652
                    continue;
2653
                }
2654
                *(accel_list[i].allowed) = true;
2655
                ret = accel_list[i].init();
2656
                if (ret < 0) {
2657
                    init_failed = true;
2658
                    fprintf(stderr, "failed to initialize %s: %s\n",
2659
                            accel_list[i].name,
2660
                            strerror(-ret));
2661
                    *(accel_list[i].allowed) = false;
2662
                } else {
2663
                    accel_initialised = true;
2664
                }
2665
                break;
2666
            }
2667
        }
2668
        if (i == ARRAY_SIZE(accel_list)) {
2669
            fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2670
        }
2671
    }
2672

    
2673
    if (!accel_initialised) {
2674
        if (!init_failed) {
2675
            fprintf(stderr, "No accelerator found!\n");
2676
        }
2677
        exit(1);
2678
    }
2679

    
2680
    if (init_failed) {
2681
        fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2682
    }
2683

    
2684
    return !accel_initialised;
2685
}
2686

    
2687
void qemu_add_exit_notifier(Notifier *notify)
2688
{
2689
    notifier_list_add(&exit_notifiers, notify);
2690
}
2691

    
2692
void qemu_remove_exit_notifier(Notifier *notify)
2693
{
2694
    notifier_remove(notify);
2695
}
2696

    
2697
static void qemu_run_exit_notifiers(void)
2698
{
2699
    notifier_list_notify(&exit_notifiers, NULL);
2700
}
2701

    
2702
void qemu_add_machine_init_done_notifier(Notifier *notify)
2703
{
2704
    notifier_list_add(&machine_init_done_notifiers, notify);
2705
}
2706

    
2707
static void qemu_run_machine_init_done_notifiers(void)
2708
{
2709
    notifier_list_notify(&machine_init_done_notifiers, NULL);
2710
}
2711

    
2712
static const QEMUOption *lookup_opt(int argc, char **argv,
2713
                                    const char **poptarg, int *poptind)
2714
{
2715
    const QEMUOption *popt;
2716
    int optind = *poptind;
2717
    char *r = argv[optind];
2718
    const char *optarg;
2719

    
2720
    loc_set_cmdline(argv, optind, 1);
2721
    optind++;
2722
    /* Treat --foo the same as -foo.  */
2723
    if (r[1] == '-')
2724
        r++;
2725
    popt = qemu_options;
2726
    for(;;) {
2727
        if (!popt->name) {
2728
            error_report("invalid option");
2729
            exit(1);
2730
        }
2731
        if (!strcmp(popt->name, r + 1))
2732
            break;
2733
        popt++;
2734
    }
2735
    if (popt->flags & HAS_ARG) {
2736
        if (optind >= argc) {
2737
            error_report("requires an argument");
2738
            exit(1);
2739
        }
2740
        optarg = argv[optind++];
2741
        loc_set_cmdline(argv, optind - 2, 2);
2742
    } else {
2743
        optarg = NULL;
2744
    }
2745

    
2746
    *poptarg = optarg;
2747
    *poptind = optind;
2748

    
2749
    return popt;
2750
}
2751

    
2752
static gpointer malloc_and_trace(gsize n_bytes)
2753
{
2754
    void *ptr = malloc(n_bytes);
2755
    trace_g_malloc(n_bytes, ptr);
2756
    return ptr;
2757
}
2758

    
2759
static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2760
{
2761
    void *ptr = realloc(mem, n_bytes);
2762
    trace_g_realloc(mem, n_bytes, ptr);
2763
    return ptr;
2764
}
2765

    
2766
static void free_and_trace(gpointer mem)
2767
{
2768
    trace_g_free(mem);
2769
    free(mem);
2770
}
2771

    
2772
static int object_set_property(const char *name, const char *value, void *opaque)
2773
{
2774
    Object *obj = OBJECT(opaque);
2775
    StringInputVisitor *siv;
2776
    Error *local_err = NULL;
2777

    
2778
    if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2779
        return 0;
2780
    }
2781

    
2782
    siv = string_input_visitor_new(value);
2783
    object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2784
    string_input_visitor_cleanup(siv);
2785

    
2786
    if (local_err) {
2787
        qerror_report_err(local_err);
2788
        error_free(local_err);
2789
        return -1;
2790
    }
2791

    
2792
    return 0;
2793
}
2794

    
2795
static int object_create(QemuOpts *opts, void *opaque)
2796
{
2797
    const char *type = qemu_opt_get(opts, "qom-type");
2798
    const char *id = qemu_opts_id(opts);
2799
    Object *obj;
2800

    
2801
    g_assert(type != NULL);
2802

    
2803
    if (id == NULL) {
2804
        qerror_report(QERR_MISSING_PARAMETER, "id");
2805
        return -1;
2806
    }
2807

    
2808
    obj = object_new(type);
2809
    if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2810
        return -1;
2811
    }
2812

    
2813
    object_property_add_child(container_get(object_get_root(), "/objects"),
2814
                              id, obj, NULL);
2815

    
2816
    return 0;
2817
}
2818

    
2819
int main(int argc, char **argv, char **envp)
2820
{
2821
    int i;
2822
    int snapshot, linux_boot;
2823
    const char *icount_option = NULL;
2824
    const char *initrd_filename;
2825
    const char *kernel_filename, *kernel_cmdline;
2826
    const char *boot_order;
2827
    DisplayState *ds;
2828
    int cyls, heads, secs, translation;
2829
    QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2830
    QemuOptsList *olist;
2831
    int optind;
2832
    const char *optarg;
2833
    const char *loadvm = NULL;
2834
    QEMUMachine *machine;
2835
    const char *cpu_model;
2836
    const char *vga_model = "none";
2837
    const char *pid_file = NULL;
2838
    const char *incoming = NULL;
2839
#ifdef CONFIG_VNC
2840
    int show_vnc_port = 0;
2841
#endif
2842
    bool defconfig = true;
2843
    bool userconfig = true;
2844
    const char *log_mask = NULL;
2845
    const char *log_file = NULL;
2846
    GMemVTable mem_trace = {
2847
        .malloc = malloc_and_trace,
2848
        .realloc = realloc_and_trace,
2849
        .free = free_and_trace,
2850
    };
2851
    const char *trace_events = NULL;
2852
    const char *trace_file = NULL;
2853

    
2854
    atexit(qemu_run_exit_notifiers);
2855
    error_set_progname(argv[0]);
2856

    
2857
    g_mem_set_vtable(&mem_trace);
2858
    if (!g_thread_supported()) {
2859
#if !GLIB_CHECK_VERSION(2, 31, 0)
2860
        g_thread_init(NULL);
2861
#else
2862
        fprintf(stderr, "glib threading failed to initialize.\n");
2863
        exit(1);
2864
#endif
2865
    }
2866

    
2867
    module_call_init(MODULE_INIT_QOM);
2868

    
2869
    qemu_add_opts(&qemu_drive_opts);
2870
    qemu_add_opts(&qemu_chardev_opts);
2871
    qemu_add_opts(&qemu_device_opts);
2872
    qemu_add_opts(&qemu_netdev_opts);
2873
    qemu_add_opts(&qemu_net_opts);
2874
    qemu_add_opts(&qemu_rtc_opts);
2875
    qemu_add_opts(&qemu_global_opts);
2876
    qemu_add_opts(&qemu_mon_opts);
2877
    qemu_add_opts(&qemu_trace_opts);
2878
    qemu_add_opts(&qemu_option_rom_opts);
2879
    qemu_add_opts(&qemu_machine_opts);
2880
    qemu_add_opts(&qemu_smp_opts);
2881
    qemu_add_opts(&qemu_boot_opts);
2882
    qemu_add_opts(&qemu_sandbox_opts);
2883
    qemu_add_opts(&qemu_add_fd_opts);
2884
    qemu_add_opts(&qemu_object_opts);
2885
    qemu_add_opts(&qemu_tpmdev_opts);
2886
    qemu_add_opts(&qemu_realtime_opts);
2887
    qemu_add_opts(&qemu_msg_opts);
2888

    
2889
    runstate_init();
2890

    
2891
    init_clocks();
2892
    rtc_clock = QEMU_CLOCK_HOST;
2893

    
2894
    qemu_cache_utils_init(envp);
2895

    
2896
    QLIST_INIT (&vm_change_state_head);
2897
    os_setup_early_signal_handling();
2898

    
2899
    module_call_init(MODULE_INIT_MACHINE);
2900
    machine = find_default_machine();
2901
    cpu_model = NULL;
2902
    ram_size = 0;
2903
    snapshot = 0;
2904
    cyls = heads = secs = 0;
2905
    translation = BIOS_ATA_TRANSLATION_AUTO;
2906

    
2907
    for (i = 0; i < MAX_NODES; i++) {
2908
        node_mem[i] = 0;
2909
        node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2910
    }
2911

    
2912
    nb_numa_nodes = 0;
2913
    nb_nics = 0;
2914

    
2915
    bdrv_init_with_whitelist();
2916

    
2917
    autostart= 1;
2918

    
2919
    /* first pass of option parsing */
2920
    optind = 1;
2921
    while (optind < argc) {
2922
        if (argv[optind][0] != '-') {
2923
            /* disk image */
2924
            optind++;
2925
            continue;
2926
        } else {
2927
            const QEMUOption *popt;
2928

    
2929
            popt = lookup_opt(argc, argv, &optarg, &optind);
2930
            switch (popt->index) {
2931
            case QEMU_OPTION_nodefconfig:
2932
                defconfig = false;
2933
                break;
2934
            case QEMU_OPTION_nouserconfig:
2935
                userconfig = false;
2936
                break;
2937
            }
2938
        }
2939
    }
2940

    
2941
    if (defconfig) {
2942
        int ret;
2943
        ret = qemu_read_default_config_files(userconfig);
2944
        if (ret < 0) {
2945
            exit(1);
2946
        }
2947
    }
2948

    
2949
    /* second pass of option parsing */
2950
    optind = 1;
2951
    for(;;) {
2952
        if (optind >= argc)
2953
            break;
2954
        if (argv[optind][0] != '-') {
2955
            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2956
        } else {
2957
            const QEMUOption *popt;
2958

    
2959
            popt = lookup_opt(argc, argv, &optarg, &optind);
2960
            if (!(popt->arch_mask & arch_type)) {
2961
                printf("Option %s not supported for this target\n", popt->name);
2962
                exit(1);
2963
            }
2964
            switch(popt->index) {
2965
            case QEMU_OPTION_M:
2966
                machine = machine_parse(optarg);
2967
                break;
2968
            case QEMU_OPTION_no_kvm_irqchip: {
2969
                olist = qemu_find_opts("machine");
2970
                qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2971
                break;
2972
            }
2973
            case QEMU_OPTION_cpu:
2974
                /* hw initialization will check this */
2975
                cpu_model = optarg;
2976
                break;
2977
            case QEMU_OPTION_hda:
2978
                {
2979
                    char buf[256];
2980
                    if (cyls == 0)
2981
                        snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2982
                    else
2983
                        snprintf(buf, sizeof(buf),
2984
                                 "%s,cyls=%d,heads=%d,secs=%d%s",
2985
                                 HD_OPTS , cyls, heads, secs,
2986
                                 translation == BIOS_ATA_TRANSLATION_LBA ?
2987
                                 ",trans=lba" :
2988
                                 translation == BIOS_ATA_TRANSLATION_NONE ?
2989
                                 ",trans=none" : "");
2990
                    drive_add(IF_DEFAULT, 0, optarg, buf);
2991
                    break;
2992
                }
2993
            case QEMU_OPTION_hdb:
2994
            case QEMU_OPTION_hdc:
2995
            case QEMU_OPTION_hdd:
2996
                drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2997
                          HD_OPTS);
2998
                break;
2999
            case QEMU_OPTION_drive:
3000
                if (drive_def(optarg) == NULL) {
3001
                    exit(1);
3002
                }
3003
                break;
3004
            case QEMU_OPTION_set:
3005
                if (qemu_set_option(optarg) != 0)
3006
                    exit(1);
3007
                break;
3008
            case QEMU_OPTION_global:
3009
                if (qemu_global_option(optarg) != 0)
3010
                    exit(1);
3011
                break;
3012
            case QEMU_OPTION_mtdblock:
3013
                drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3014
                break;
3015
            case QEMU_OPTION_sd:
3016
                drive_add(IF_SD, -1, optarg, SD_OPTS);
3017
                break;
3018
            case QEMU_OPTION_pflash:
3019
                drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3020
                break;
3021
            case QEMU_OPTION_snapshot:
3022
                snapshot = 1;
3023
                break;
3024
            case QEMU_OPTION_hdachs:
3025
                {
3026
                    const char *p;
3027
                    p = optarg;
3028
                    cyls = strtol(p, (char **)&p, 0);
3029
                    if (cyls < 1 || cyls > 16383)
3030
                        goto chs_fail;
3031
                    if (*p != ',')
3032
                        goto chs_fail;
3033
                    p++;
3034
                    heads = strtol(p, (char **)&p, 0);
3035
                    if (heads < 1 || heads > 16)
3036
                        goto chs_fail;
3037
                    if (*p != ',')
3038
                        goto chs_fail;
3039
                    p++;
3040
                    secs = strtol(p, (char **)&p, 0);
3041
                    if (secs < 1 || secs > 63)
3042
                        goto chs_fail;
3043
                    if (*p == ',') {
3044
                        p++;
3045
                        if (!strcmp(p, "none"))
3046
                            translation = BIOS_ATA_TRANSLATION_NONE;
3047
                        else if (!strcmp(p, "lba"))
3048
                            translation = BIOS_ATA_TRANSLATION_LBA;
3049
                        else if (!strcmp(p, "auto"))
3050
                            translation = BIOS_ATA_TRANSLATION_AUTO;
3051
                        else
3052
                            goto chs_fail;
3053
                    } else if (*p != '\0') {
3054
                    chs_fail:
3055
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
3056
                        exit(1);
3057
                    }
3058
                    if (hda_opts != NULL) {
3059
                        char num[16];
3060
                        snprintf(num, sizeof(num), "%d", cyls);
3061
                        qemu_opt_set(hda_opts, "cyls", num);
3062
                        snprintf(num, sizeof(num), "%d", heads);
3063
                        qemu_opt_set(hda_opts, "heads", num);
3064
                        snprintf(num, sizeof(num), "%d", secs);
3065
                        qemu_opt_set(hda_opts, "secs", num);
3066
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
3067
                            qemu_opt_set(hda_opts, "trans", "lba");
3068
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
3069
                            qemu_opt_set(hda_opts, "trans", "none");
3070
                    }
3071
                }
3072
                break;
3073
            case QEMU_OPTION_numa:
3074
                numa_add(optarg);
3075
                break;
3076
            case QEMU_OPTION_display:
3077
                display_type = select_display(optarg);
3078
                break;
3079
            case QEMU_OPTION_nographic:
3080
                display_type = DT_NOGRAPHIC;
3081
                break;
3082
            case QEMU_OPTION_curses:
3083
#ifdef CONFIG_CURSES
3084
                display_type = DT_CURSES;
3085
#else
3086
                fprintf(stderr, "Curses support is disabled\n");
3087
                exit(1);
3088
#endif
3089
                break;
3090
            case QEMU_OPTION_portrait:
3091
                graphic_rotate = 90;
3092
                break;
3093
            case QEMU_OPTION_rotate:
3094
                graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3095
                if (graphic_rotate != 0 && graphic_rotate != 90 &&
3096
                    graphic_rotate != 180 && graphic_rotate != 270) {
3097
                    fprintf(stderr,
3098
                        "qemu: only 90, 180, 270 deg rotation is available\n");
3099
                    exit(1);
3100
                }
3101
                break;
3102
            case QEMU_OPTION_kernel:
3103
                qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3104
                break;
3105
            case QEMU_OPTION_initrd:
3106
                qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3107
                break;
3108
            case QEMU_OPTION_append:
3109
                qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3110
                break;
3111
            case QEMU_OPTION_dtb:
3112
                qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3113
                break;
3114
            case QEMU_OPTION_cdrom:
3115
                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3116
                break;
3117
            case QEMU_OPTION_boot:
3118
                opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3119
                if (!opts) {
3120
                    exit(1);
3121
                }
3122
                break;
3123
            case QEMU_OPTION_fda:
3124
            case QEMU_OPTION_fdb:
3125
                drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3126
                          optarg, FD_OPTS);
3127
                break;
3128
            case QEMU_OPTION_no_fd_bootchk:
3129
                fd_bootchk = 0;
3130
                break;
3131
            case QEMU_OPTION_netdev:
3132
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3133
                    exit(1);
3134
                }
3135
                break;
3136
            case QEMU_OPTION_net:
3137
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3138
                    exit(1);
3139
                }
3140
                break;
3141
#ifdef CONFIG_LIBISCSI
3142
            case QEMU_OPTION_iscsi:
3143
                opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3144
                if (!opts) {
3145
                    exit(1);
3146
                }
3147
                break;
3148
#endif
3149
#ifdef CONFIG_SLIRP
3150
            case QEMU_OPTION_tftp:
3151
                legacy_tftp_prefix = optarg;
3152
                break;
3153
            case QEMU_OPTION_bootp:
3154
                legacy_bootp_filename = optarg;
3155
                break;
3156
            case QEMU_OPTION_redir:
3157
                if (net_slirp_redir(optarg) < 0)
3158
                    exit(1);
3159
                break;
3160
#endif
3161
            case QEMU_OPTION_bt:
3162
                add_device_config(DEV_BT, optarg);
3163
                break;
3164
            case QEMU_OPTION_audio_help:
3165
                AUD_help ();
3166
                exit (0);
3167
                break;
3168
            case QEMU_OPTION_soundhw:
3169
                select_soundhw (optarg);
3170
                break;
3171
            case QEMU_OPTION_h:
3172
                help(0);
3173
                break;
3174
            case QEMU_OPTION_version:
3175
                version();
3176
                exit(0);
3177
                break;
3178
            case QEMU_OPTION_m: {
3179
                int64_t value;
3180
                uint64_t sz;
3181
                char *end;
3182

    
3183
                value = strtosz(optarg, &end);
3184
                if (value < 0 || *end) {
3185
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3186
                    exit(1);
3187
                }
3188
                sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3189
                ram_size = sz;
3190
                if (ram_size != sz) {
3191
                    fprintf(stderr, "qemu: ram size too large\n");
3192
                    exit(1);
3193
                }
3194
                break;
3195
            }
3196
#ifdef CONFIG_TPM
3197
            case QEMU_OPTION_tpmdev:
3198
                if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3199
                    exit(1);
3200
                }
3201
                break;
3202
#endif
3203
            case QEMU_OPTION_mempath:
3204
                mem_path = optarg;
3205
                break;
3206
#ifdef MAP_POPULATE
3207
            case QEMU_OPTION_mem_prealloc:
3208
                mem_prealloc = 1;
3209
                break;
3210
#endif
3211
            case QEMU_OPTION_d:
3212
                log_mask = optarg;
3213
                break;
3214
            case QEMU_OPTION_D:
3215
                log_file = optarg;
3216
                break;
3217
            case QEMU_OPTION_s:
3218
                add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3219
                break;
3220
            case QEMU_OPTION_gdb:
3221
                add_device_config(DEV_GDB, optarg);
3222
                break;
3223
            case QEMU_OPTION_L:
3224
                if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3225
                    data_dir[data_dir_idx++] = optarg;
3226
                }
3227
                break;
3228
            case QEMU_OPTION_bios:
3229
                bios_name = optarg;
3230
                break;
3231
            case QEMU_OPTION_singlestep:
3232
                singlestep = 1;
3233
                break;
3234
            case QEMU_OPTION_S:
3235
                autostart = 0;
3236
                break;
3237
            case QEMU_OPTION_k:
3238
                keyboard_layout = optarg;
3239
                break;
3240
            case QEMU_OPTION_localtime:
3241
                rtc_utc = 0;
3242
                break;
3243
            case QEMU_OPTION_vga:
3244
                vga_model = optarg;
3245
                default_vga = 0;
3246
                break;
3247
            case QEMU_OPTION_g:
3248
                {
3249
                    const char *p;
3250
                    int w, h, depth;
3251
                    p = optarg;
3252
                    w = strtol(p, (char **)&p, 10);
3253
                    if (w <= 0) {
3254
                    graphic_error:
3255
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
3256
                        exit(1);
3257
                    }
3258
                    if (*p != 'x')
3259
                        goto graphic_error;
3260
                    p++;
3261
                    h = strtol(p, (char **)&p, 10);
3262
                    if (h <= 0)
3263
                        goto graphic_error;
3264
                    if (*p == 'x') {
3265
                        p++;
3266
                        depth = strtol(p, (char **)&p, 10);
3267
                        if (depth != 8 && depth != 15 && depth != 16 &&
3268
                            depth != 24 && depth != 32)
3269
                            goto graphic_error;
3270
                    } else if (*p == '\0') {
3271
                        depth = graphic_depth;
3272
                    } else {
3273
                        goto graphic_error;
3274
                    }
3275

    
3276
                    graphic_width = w;
3277
                    graphic_height = h;
3278
                    graphic_depth = depth;
3279
                }
3280
                break;
3281
            case QEMU_OPTION_echr:
3282
                {
3283
                    char *r;
3284
                    term_escape_char = strtol(optarg, &r, 0);
3285
                    if (r == optarg)
3286
                        printf("Bad argument to echr\n");
3287
                    break;
3288
                }
3289
            case QEMU_OPTION_monitor:
3290
                default_monitor = 0;
3291
                if (strncmp(optarg, "none", 4)) {
3292
                    monitor_parse(optarg, "readline");
3293
                }
3294
                break;
3295
            case QEMU_OPTION_qmp:
3296
                monitor_parse(optarg, "control");
3297
                default_monitor = 0;
3298
                break;
3299
            case QEMU_OPTION_mon:
3300
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3301
                if (!opts) {
3302
                    exit(1);
3303
                }
3304
                default_monitor = 0;
3305
                break;
3306
            case QEMU_OPTION_chardev:
3307
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3308
                if (!opts) {
3309
                    exit(1);
3310
                }
3311
                break;
3312
            case QEMU_OPTION_fsdev:
3313
                olist = qemu_find_opts("fsdev");
3314
                if (!olist) {
3315
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3316
                    exit(1);
3317
                }
3318
                opts = qemu_opts_parse(olist, optarg, 1);
3319
                if (!opts) {
3320
                    exit(1);
3321
                }
3322
                break;
3323
            case QEMU_OPTION_virtfs: {
3324
                QemuOpts *fsdev;
3325
                QemuOpts *device;
3326
                const char *writeout, *sock_fd, *socket;
3327

    
3328
                olist = qemu_find_opts("virtfs");
3329
                if (!olist) {
3330
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3331
                    exit(1);
3332
                }
3333
                opts = qemu_opts_parse(olist, optarg, 1);
3334
                if (!opts) {
3335
                    exit(1);
3336
                }
3337

    
3338
                if (qemu_opt_get(opts, "fsdriver") == NULL ||
3339
                    qemu_opt_get(opts, "mount_tag") == NULL) {
3340
                    fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3341
                    exit(1);
3342
                }
3343
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3344
                                         qemu_opt_get(opts, "mount_tag"),
3345
                                         1, NULL);
3346
                if (!fsdev) {
3347
                    fprintf(stderr, "duplicate fsdev id: %s\n",
3348
                            qemu_opt_get(opts, "mount_tag"));
3349
                    exit(1);
3350
                }
3351

    
3352
                writeout = qemu_opt_get(opts, "writeout");
3353
                if (writeout) {
3354
#ifdef CONFIG_SYNC_FILE_RANGE
3355
                    qemu_opt_set(fsdev, "writeout", writeout);
3356
#else
3357
                    fprintf(stderr, "writeout=immediate not supported on "
3358
                            "this platform\n");
3359
                    exit(1);
3360
#endif
3361
                }
3362
                qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3363
                qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3364
                qemu_opt_set(fsdev, "security_model",
3365
                             qemu_opt_get(opts, "security_model"));
3366
                socket = qemu_opt_get(opts, "socket");
3367
                if (socket) {
3368
                    qemu_opt_set(fsdev, "socket", socket);
3369
                }
3370
                sock_fd = qemu_opt_get(opts, "sock_fd");
3371
                if (sock_fd) {
3372
                    qemu_opt_set(fsdev, "sock_fd", sock_fd);
3373
                }
3374

    
3375
                qemu_opt_set_bool(fsdev, "readonly",
3376
                                qemu_opt_get_bool(opts, "readonly", 0));
3377
                device = qemu_opts_create_nofail(qemu_find_opts("device"));
3378
                qemu_opt_set(device, "driver", "virtio-9p-pci");
3379
                qemu_opt_set(device, "fsdev",
3380
                             qemu_opt_get(opts, "mount_tag"));
3381
                qemu_opt_set(device, "mount_tag",
3382
                             qemu_opt_get(opts, "mount_tag"));
3383
                break;
3384
            }
3385
            case QEMU_OPTION_virtfs_synth: {
3386
                QemuOpts *fsdev;
3387
                QemuOpts *device;
3388

    
3389
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3390
                                         1, NULL);
3391
                if (!fsdev) {
3392
                    fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3393
                    exit(1);
3394
                }
3395
                qemu_opt_set(fsdev, "fsdriver", "synth");
3396

    
3397
                device = qemu_opts_create_nofail(qemu_find_opts("device"));
3398
                qemu_opt_set(device, "driver", "virtio-9p-pci");
3399
                qemu_opt_set(device, "fsdev", "v_synth");
3400
                qemu_opt_set(device, "mount_tag", "v_synth");
3401
                break;
3402
            }
3403
            case QEMU_OPTION_serial:
3404
                add_device_config(DEV_SERIAL, optarg);
3405
                default_serial = 0;
3406
                if (strncmp(optarg, "mon:", 4) == 0) {
3407
                    default_monitor = 0;
3408
                }
3409
                break;
3410
            case QEMU_OPTION_watchdog:
3411
                if (watchdog) {
3412
                    fprintf(stderr,
3413
                            "qemu: only one watchdog option may be given\n");
3414
                    return 1;
3415
                }
3416
                watchdog = optarg;
3417
                break;
3418
            case QEMU_OPTION_watchdog_action:
3419
                if (select_watchdog_action(optarg) == -1) {
3420
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
3421
                    exit(1);
3422
                }
3423
                break;
3424
            case QEMU_OPTION_virtiocon:
3425
                add_device_config(DEV_VIRTCON, optarg);
3426
                default_virtcon = 0;
3427
                if (strncmp(optarg, "mon:", 4) == 0) {
3428
                    default_monitor = 0;
3429
                }
3430
                break;
3431
            case QEMU_OPTION_parallel:
3432
                add_device_config(DEV_PARALLEL, optarg);
3433
                default_parallel = 0;
3434
                if (strncmp(optarg, "mon:", 4) == 0) {
3435
                    default_monitor = 0;
3436
                }
3437
                break;
3438
            case QEMU_OPTION_debugcon:
3439
                add_device_config(DEV_DEBUGCON, optarg);
3440
                break;
3441
            case QEMU_OPTION_loadvm:
3442
                loadvm = optarg;
3443
                break;
3444
            case QEMU_OPTION_full_screen:
3445
                full_screen = 1;
3446
                break;
3447
            case QEMU_OPTION_no_frame:
3448
                no_frame = 1;
3449
                break;
3450
            case QEMU_OPTION_alt_grab:
3451
                alt_grab = 1;
3452
                break;
3453
            case QEMU_OPTION_ctrl_grab:
3454
                ctrl_grab = 1;
3455
                break;
3456
            case QEMU_OPTION_no_quit:
3457
                no_quit = 1;
3458
                break;
3459
            case QEMU_OPTION_sdl:
3460
#ifdef CONFIG_SDL
3461
                display_type = DT_SDL;
3462
                break;
3463
#else
3464
                fprintf(stderr, "SDL support is disabled\n");
3465
                exit(1);
3466
#endif
3467
            case QEMU_OPTION_pidfile:
3468
                pid_file = optarg;
3469
                break;
3470
            case QEMU_OPTION_win2k_hack:
3471
                win2k_install_hack = 1;
3472
                break;
3473
            case QEMU_OPTION_rtc_td_hack: {
3474
                static GlobalProperty slew_lost_ticks[] = {
3475
                    {
3476
                        .driver   = "mc146818rtc",
3477
                        .property = "lost_tick_policy",
3478
                        .value    = "slew",
3479
                    },
3480
                    { /* end of list */ }
3481
                };
3482

    
3483
                qdev_prop_register_global_list(slew_lost_ticks);
3484
                break;
3485
            }
3486
            case QEMU_OPTION_acpitable:
3487
                opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3488
                g_assert(opts != NULL);
3489
                do_acpitable_option(opts);
3490
                break;
3491
            case QEMU_OPTION_smbios:
3492
                opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3493
                do_smbios_option(opts);
3494
                break;
3495
            case QEMU_OPTION_enable_kvm:
3496
                olist = qemu_find_opts("machine");
3497
                qemu_opts_parse(olist, "accel=kvm", 0);
3498
                break;
3499
            case QEMU_OPTION_machine:
3500
                olist = qemu_find_opts("machine");
3501
                opts = qemu_opts_parse(olist, optarg, 1);
3502
                if (!opts) {
3503
                    exit(1);
3504
                }
3505
                optarg = qemu_opt_get(opts, "type");
3506
                if (optarg) {
3507
                    machine = machine_parse(optarg);
3508
                }
3509
                break;
3510
             case QEMU_OPTION_no_kvm:
3511
                olist = qemu_find_opts("machine");
3512
                qemu_opts_parse(olist, "accel=tcg", 0);
3513
                break;
3514
            case QEMU_OPTION_no_kvm_pit: {
3515
                fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3516
                                "separately.\n");
3517
                break;
3518
            }
3519
            case QEMU_OPTION_no_kvm_pit_reinjection: {
3520
                static GlobalProperty kvm_pit_lost_tick_policy[] = {
3521
                    {
3522
                        .driver   = "kvm-pit",
3523
                        .property = "lost_tick_policy",
3524
                        .value    = "discard",
3525
                    },
3526
                    { /* end of list */ }
3527
                };
3528

    
3529
                fprintf(stderr, "Warning: option deprecated, use "
3530
                        "lost_tick_policy property of kvm-pit instead.\n");
3531
                qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3532
                break;
3533
            }
3534
            case QEMU_OPTION_usb:
3535
                olist = qemu_find_opts("machine");
3536
                qemu_opts_parse(olist, "usb=on", 0);
3537
                break;
3538
            case QEMU_OPTION_usbdevice:
3539
                olist = qemu_find_opts("machine");
3540
                qemu_opts_parse(olist, "usb=on", 0);
3541
                add_device_config(DEV_USB, optarg);
3542
                break;
3543
            case QEMU_OPTION_device:
3544
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3545
                    exit(1);
3546
                }
3547
                break;
3548
            case QEMU_OPTION_smp:
3549
                if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3550
                    exit(1);
3551
                }
3552
                break;
3553
            case QEMU_OPTION_vnc:
3554
#ifdef CONFIG_VNC
3555
                display_remote++;
3556
                vnc_display = optarg;
3557
#else
3558
                fprintf(stderr, "VNC support is disabled\n");
3559
                exit(1);
3560
#endif
3561
                break;
3562
            case QEMU_OPTION_no_acpi:
3563
                acpi_enabled = 0;
3564
                break;
3565
            case QEMU_OPTION_no_hpet:
3566
                no_hpet = 1;
3567
                break;
3568
            case QEMU_OPTION_balloon:
3569
                if (balloon_parse(optarg) < 0) {
3570
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3571
                    exit(1);
3572
                }
3573
                break;
3574
            case QEMU_OPTION_no_reboot:
3575
                no_reboot = 1;
3576
                break;
3577
            case QEMU_OPTION_no_shutdown:
3578
                no_shutdown = 1;
3579
                break;
3580
            case QEMU_OPTION_show_cursor:
3581
                cursor_hide = 0;
3582
                break;
3583
            case QEMU_OPTION_uuid:
3584
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3585
                    fprintf(stderr, "Fail to parse UUID string."
3586
                            " Wrong format.\n");
3587
                    exit(1);
3588
                }
3589
                qemu_uuid_set = true;
3590
                break;
3591
            case QEMU_OPTION_option_rom:
3592
                if (nb_option_roms >= MAX_OPTION_ROMS) {
3593
                    fprintf(stderr, "Too many option ROMs\n");
3594
                    exit(1);
3595
                }
3596
                opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3597
                if (!opts) {
3598
                    exit(1);
3599
                }
3600
                option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3601
                option_rom[nb_option_roms].bootindex =
3602
                    qemu_opt_get_number(opts, "bootindex", -1);
3603
                if (!option_rom[nb_option_roms].name) {
3604
                    fprintf(stderr, "Option ROM file is not specified\n");
3605
                    exit(1);
3606
                }
3607
                nb_option_roms++;
3608
                break;
3609
            case QEMU_OPTION_semihosting:
3610
                semihosting_enabled = 1;
3611
                break;
3612
            case QEMU_OPTION_tdf:
3613
                fprintf(stderr, "Warning: user space PIT time drift fix "
3614
                                "is no longer supported.\n");
3615
                break;
3616
            case QEMU_OPTION_name:
3617
                qemu_name = g_strdup(optarg);
3618
                 {
3619
                     char *p = strchr(qemu_name, ',');
3620
                     if (p != NULL) {
3621
                        *p++ = 0;
3622
                        if (strncmp(p, "process=", 8)) {
3623
                            fprintf(stderr, "Unknown subargument %s to -name\n", p);
3624
                            exit(1);
3625
                        }
3626
                        p += 8;
3627
                        os_set_proc_name(p);
3628
                     }
3629
                 }
3630
                break;
3631
            case QEMU_OPTION_prom_env:
3632
                if (nb_prom_envs >= MAX_PROM_ENVS) {
3633
                    fprintf(stderr, "Too many prom variables\n");
3634
                    exit(1);
3635
                }
3636
                prom_envs[nb_prom_envs] = optarg;
3637
                nb_prom_envs++;
3638
                break;
3639
            case QEMU_OPTION_old_param:
3640
                old_param = 1;
3641
                break;
3642
            case QEMU_OPTION_clock:
3643
                /* Clock options no longer exist.  Keep this option for
3644
                 * backward compatibility.
3645
                 */
3646
                break;
3647
            case QEMU_OPTION_startdate:
3648
                configure_rtc_date_offset(optarg, 1);
3649
                break;
3650
            case QEMU_OPTION_rtc:
3651
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3652
                if (!opts) {
3653
                    exit(1);
3654
                }
3655
                configure_rtc(opts);
3656
                break;
3657
            case QEMU_OPTION_tb_size:
3658
                tcg_tb_size = strtol(optarg, NULL, 0);
3659
                if (tcg_tb_size < 0) {
3660
                    tcg_tb_size = 0;
3661
                }
3662
                break;
3663
            case QEMU_OPTION_icount:
3664
                icount_option = optarg;
3665
                break;
3666
            case QEMU_OPTION_incoming:
3667
                incoming = optarg;
3668
                runstate_set(RUN_STATE_INMIGRATE);
3669
                break;
3670
            case QEMU_OPTION_nodefaults:
3671
                default_serial = 0;
3672
                default_parallel = 0;
3673
                default_virtcon = 0;
3674
                default_sclp = 0;
3675
                default_monitor = 0;
3676
                default_net = 0;
3677
                default_floppy = 0;
3678
                default_cdrom = 0;
3679
                default_sdcard = 0;
3680
                default_vga = 0;
3681
                break;
3682
            case QEMU_OPTION_xen_domid:
3683
                if (!(xen_available())) {
3684
                    printf("Option %s not supported for this target\n", popt->name);
3685
                    exit(1);
3686
                }
3687
                xen_domid = atoi(optarg);
3688
                break;
3689
            case QEMU_OPTION_xen_create:
3690
                if (!(xen_available())) {
3691
                    printf("Option %s not supported for this target\n", popt->name);
3692
                    exit(1);
3693
                }
3694
                xen_mode = XEN_CREATE;
3695
                break;
3696
            case QEMU_OPTION_xen_attach:
3697
                if (!(xen_available())) {
3698
                    printf("Option %s not supported for this target\n", popt->name);
3699
                    exit(1);
3700
                }
3701
                xen_mode = XEN_ATTACH;
3702
                break;
3703
            case QEMU_OPTION_trace:
3704
            {
3705
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3706
                if (!opts) {
3707
                    exit(1);
3708
                }
3709
                trace_events = qemu_opt_get(opts, "events");
3710
                trace_file = qemu_opt_get(opts, "file");
3711
                break;
3712
            }
3713
            case QEMU_OPTION_readconfig:
3714
                {
3715
                    int ret = qemu_read_config_file(optarg);
3716
                    if (ret < 0) {
3717
                        fprintf(stderr, "read config %s: %s\n", optarg,
3718
                            strerror(-ret));
3719
                        exit(1);
3720
                    }
3721
                    break;
3722
                }
3723
            case QEMU_OPTION_spice:
3724
                olist = qemu_find_opts("spice");
3725
                if (!olist) {
3726
                    fprintf(stderr, "spice is not supported by this qemu build.\n");
3727
                    exit(1);
3728
                }
3729
                opts = qemu_opts_parse(olist, optarg, 0);
3730
                if (!opts) {
3731
                    exit(1);
3732
                }
3733
                display_remote++;
3734
                break;
3735
            case QEMU_OPTION_writeconfig:
3736
                {
3737
                    FILE *fp;
3738
                    if (strcmp(optarg, "-") == 0) {
3739
                        fp = stdout;
3740
                    } else {
3741
                        fp = fopen(optarg, "w");
3742
                        if (fp == NULL) {
3743
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3744
                            exit(1);
3745
                        }
3746
                    }
3747
                    qemu_config_write(fp);
3748
                    fclose(fp);
3749
                    break;
3750
                }
3751
            case QEMU_OPTION_qtest:
3752
                qtest_chrdev = optarg;
3753
                break;
3754
            case QEMU_OPTION_qtest_log:
3755
                qtest_log = optarg;
3756
                break;
3757
            case QEMU_OPTION_sandbox:
3758
                opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3759
                if (!opts) {
3760
                    exit(1);
3761
                }
3762
                break;
3763
            case QEMU_OPTION_add_fd:
3764
#ifndef _WIN32
3765
                opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3766
                if (!opts) {
3767
                    exit(1);
3768
                }
3769
#else
3770
                error_report("File descriptor passing is disabled on this "
3771
                             "platform");
3772
                exit(1);
3773
#endif
3774
                break;
3775
            case QEMU_OPTION_object:
3776
                opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3777
                if (!opts) {
3778
                    exit(1);
3779
                }
3780
                break;
3781
            case QEMU_OPTION_realtime:
3782
                opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3783
                if (!opts) {
3784
                    exit(1);
3785
                }
3786
                configure_realtime(opts);
3787
                break;
3788
            case QEMU_OPTION_msg:
3789
                opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3790
                if (!opts) {
3791
                    exit(1);
3792
                }
3793
                configure_msg(opts);
3794
                break;
3795
            default:
3796
                os_parse_cmd_args(popt->index, optarg);
3797
            }
3798
        }
3799
    }
3800
    loc_set_none();
3801

    
3802
    if (qemu_init_main_loop()) {
3803
        fprintf(stderr, "qemu_init_main_loop failed\n");
3804
        exit(1);
3805
    }
3806

    
3807
    if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3808
        exit(1);
3809
    }
3810

    
3811
#ifndef _WIN32
3812
    if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3813
        exit(1);
3814
    }
3815

    
3816
    if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3817
        exit(1);
3818
    }
3819
#endif
3820

    
3821
    if (machine == NULL) {
3822
        fprintf(stderr, "No machine found.\n");
3823
        exit(1);
3824
    }
3825

    
3826
    if (machine->hw_version) {
3827
        qemu_set_version(machine->hw_version);
3828
    }
3829

    
3830
    if (qemu_opts_foreach(qemu_find_opts("object"),
3831
                          object_create, NULL, 0) != 0) {
3832
        exit(1);
3833
    }
3834

    
3835
    /* Init CPU def lists, based on config
3836
     * - Must be called after all the qemu_read_config_file() calls
3837
     * - Must be called before list_cpus()
3838
     * - Must be called before machine->init()
3839
     */
3840
    cpudef_init();
3841

    
3842
    if (cpu_model && is_help_option(cpu_model)) {
3843
        list_cpus(stdout, &fprintf, cpu_model);
3844
        exit(0);
3845
    }
3846

    
3847
    /* Open the logfile at this point, if necessary. We can't open the logfile
3848
     * when encountering either of the logging options (-d or -D) because the
3849
     * other one may be encountered later on the command line, changing the
3850
     * location or level of logging.
3851
     */
3852
    if (log_mask) {
3853
        int mask;
3854
        if (log_file) {
3855
            qemu_set_log_filename(log_file);
3856
        }
3857

    
3858
        mask = qemu_str_to_log_mask(log_mask);
3859
        if (!mask) {
3860
            qemu_print_log_usage(stdout);
3861
            exit(1);
3862
        }
3863
        qemu_set_log(mask);
3864
    }
3865

    
3866
    if (!trace_backend_init(trace_events, trace_file)) {
3867
        exit(1);
3868
    }
3869

    
3870
    /* If no data_dir is specified then try to find it relative to the
3871
       executable path.  */
3872
    if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3873
        data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3874
        if (data_dir[data_dir_idx] != NULL) {
3875
            data_dir_idx++;
3876
        }
3877
    }
3878
    /* If all else fails use the install path specified when building. */
3879
    if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3880
        data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3881
    }
3882

    
3883
    smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3884

    
3885
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3886
    if (smp_cpus > machine->max_cpus) {
3887
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3888
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3889
                machine->max_cpus);
3890
        exit(1);
3891
    }
3892

    
3893
    /*
3894
     * Get the default machine options from the machine if it is not already
3895
     * specified either by the configuration file or by the command line.
3896
     */
3897
    if (machine->default_machine_opts) {
3898
        qemu_opts_set_defaults(qemu_find_opts("machine"),
3899
                               machine->default_machine_opts, 0);
3900
    }
3901

    
3902
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3903
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3904

    
3905
    if (machine->no_serial) {
3906
        default_serial = 0;
3907
    }
3908
    if (machine->no_parallel) {
3909
        default_parallel = 0;
3910
    }
3911
    if (!machine->use_virtcon) {
3912
        default_virtcon = 0;
3913
    }
3914
    if (!machine->use_sclp) {
3915
        default_sclp = 0;
3916
    }
3917
    if (machine->no_floppy) {
3918
        default_floppy = 0;
3919
    }
3920
    if (machine->no_cdrom) {
3921
        default_cdrom = 0;
3922
    }
3923
    if (machine->no_sdcard) {
3924
        default_sdcard = 0;
3925
    }
3926

    
3927
    if (is_daemonized()) {
3928
        /* According to documentation and historically, -nographic redirects
3929
         * serial port, parallel port and monitor to stdio, which does not work
3930
         * with -daemonize.  We can redirect these to null instead, but since
3931
         * -nographic is legacy, let's just error out.
3932
         * We disallow -nographic only if all other ports are not redirected
3933
         * explicitly, to not break existing legacy setups which uses
3934
         * -nographic _and_ redirects all ports explicitly - this is valid
3935
         * usage, -nographic is just a no-op in this case.
3936
         */
3937
        if (display_type == DT_NOGRAPHIC
3938
            && (default_parallel || default_serial
3939
                || default_monitor || default_virtcon)) {
3940
            fprintf(stderr, "-nographic can not be used with -daemonize\n");
3941
            exit(1);
3942
        }
3943
#ifdef CONFIG_CURSES
3944
        if (display_type == DT_CURSES) {
3945
            fprintf(stderr, "curses display can not be used with -daemonize\n");
3946
            exit(1);
3947
        }
3948
#endif
3949
    }
3950

    
3951
    if (display_type == DT_NOGRAPHIC) {
3952
        if (default_parallel)
3953
            add_device_config(DEV_PARALLEL, "null");
3954
        if (default_serial && default_monitor) {
3955
            add_device_config(DEV_SERIAL, "mon:stdio");
3956
        } else if (default_virtcon && default_monitor) {
3957
            add_device_config(DEV_VIRTCON, "mon:stdio");
3958
        } else if (default_sclp && default_monitor) {
3959
            add_device_config(DEV_SCLP, "mon:stdio");
3960
        } else {
3961
            if (default_serial)
3962
                add_device_config(DEV_SERIAL, "stdio");
3963
            if (default_virtcon)
3964
                add_device_config(DEV_VIRTCON, "stdio");
3965
            if (default_sclp) {
3966
                add_device_config(DEV_SCLP, "stdio");
3967
            }
3968
            if (default_monitor)
3969
                monitor_parse("stdio", "readline");
3970
        }
3971
    } else {
3972
        if (default_serial)
3973
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
3974
        if (default_parallel)
3975
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3976
        if (default_monitor)
3977
            monitor_parse("vc:80Cx24C", "readline");
3978
        if (default_virtcon)
3979
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3980
        if (default_sclp) {
3981
            add_device_config(DEV_SCLP, "vc:80Cx24C");
3982
        }
3983
    }
3984

    
3985
    if (display_type == DT_DEFAULT && !display_remote) {
3986
#if defined(CONFIG_GTK)
3987
        display_type = DT_GTK;
3988
#elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3989
        display_type = DT_SDL;
3990
#elif defined(CONFIG_VNC)
3991
        vnc_display = "localhost:0,to=99";
3992
        show_vnc_port = 1;
3993
#else
3994
        display_type = DT_NONE;
3995
#endif
3996
    }
3997

    
3998
    if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3999
        fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4000
                        "for SDL, ignoring option\n");
4001
    }
4002
    if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4003
        fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4004
                        "ignoring option\n");
4005
    }
4006

    
4007
#if defined(CONFIG_GTK)
4008
    if (display_type == DT_GTK) {
4009
        early_gtk_display_init();
4010
    }
4011
#endif
4012

    
4013
    socket_init();
4014

    
4015
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4016
        exit(1);
4017
#ifdef CONFIG_VIRTFS
4018
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4019
        exit(1);
4020
    }
4021
#endif
4022

    
4023
    os_daemonize();
4024

    
4025
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4026
        os_pidfile_error();
4027
        exit(1);
4028
    }
4029

    
4030
    /* init the memory */
4031
    if (ram_size == 0) {
4032
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4033
    }
4034

    
4035
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4036
        != 0) {
4037
        exit(0);
4038
    }
4039

    
4040
    configure_accelerator();
4041

    
4042
    if (!qtest_enabled() && qtest_chrdev) {
4043
        qtest_init();
4044
    }
4045

    
4046
    machine_opts = qemu_get_machine_opts();
4047
    kernel_filename = qemu_opt_get(machine_opts, "kernel");
4048
    initrd_filename = qemu_opt_get(machine_opts, "initrd");
4049
    kernel_cmdline = qemu_opt_get(machine_opts, "append");
4050

    
4051
    boot_order = machine->default_boot_order;
4052
    opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4053
    if (opts) {
4054
        char *normal_boot_order;
4055
        const char *order, *once;
4056

    
4057
        order = qemu_opt_get(opts, "order");
4058
        if (order) {
4059
            validate_bootdevices(order);
4060
            boot_order = order;
4061
        }
4062

    
4063
        once = qemu_opt_get(opts, "once");
4064
        if (once) {
4065
            validate_bootdevices(once);
4066
            normal_boot_order = g_strdup(boot_order);
4067
            boot_order = once;
4068
            qemu_register_reset(restore_boot_order, normal_boot_order);
4069
        }
4070

    
4071
        boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4072
    }
4073

    
4074
    if (!kernel_cmdline) {
4075
        kernel_cmdline = "";
4076
    }
4077

    
4078
    linux_boot = (kernel_filename != NULL);
4079

    
4080
    if (!linux_boot && *kernel_cmdline != '\0') {
4081
        fprintf(stderr, "-append only allowed with -kernel option\n");
4082
        exit(1);
4083
    }
4084

    
4085
    if (!linux_boot && initrd_filename != NULL) {
4086
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
4087
        exit(1);
4088
    }
4089

    
4090
    if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4091
        fprintf(stderr, "-dtb only allowed with -kernel option\n");
4092
        exit(1);
4093
    }
4094

    
4095
    os_set_line_buffering();
4096

    
4097
    qemu_init_cpu_loop();
4098
    qemu_mutex_lock_iothread();
4099

    
4100
#ifdef CONFIG_SPICE
4101
    /* spice needs the timers to be initialized by this point */
4102
    qemu_spice_init();
4103
#endif
4104

    
4105
    if (icount_option && (kvm_enabled() || xen_enabled())) {
4106
        fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4107
        exit(1);
4108
    }
4109
    configure_icount(icount_option);
4110

    
4111
    /* clean up network at qemu process termination */
4112
    atexit(&net_cleanup);
4113

    
4114
    if (net_init_clients() < 0) {
4115
        exit(1);
4116
    }
4117

    
4118
#ifdef CONFIG_TPM
4119
    if (tpm_init() < 0) {
4120
        exit(1);
4121
    }
4122
#endif
4123

    
4124
    /* init the bluetooth world */
4125
    if (foreach_device_config(DEV_BT, bt_parse))
4126
        exit(1);
4127

    
4128
    if (!xen_enabled()) {
4129
        /* On 32-bit hosts, QEMU is limited by virtual address space */
4130
        if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4131
            fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4132
            exit(1);
4133
        }
4134
    }
4135

    
4136
    cpu_exec_init_all();
4137

    
4138
    blk_mig_init();
4139

    
4140
    /* open the virtual block devices */
4141
    if (snapshot)
4142
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4143
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4144
                          &machine->block_default_type, 1) != 0) {
4145
        exit(1);
4146
    }
4147

    
4148
    default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4149
                  CDROM_OPTS);
4150
    default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4151
    default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4152

    
4153
    register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4154

    
4155
    if (nb_numa_nodes > 0) {
4156
        int i;
4157

    
4158
        if (nb_numa_nodes > MAX_NODES) {
4159
            nb_numa_nodes = MAX_NODES;
4160
        }
4161

    
4162
        /* If no memory size if given for any node, assume the default case
4163
         * and distribute the available memory equally across all nodes
4164
         */
4165
        for (i = 0; i < nb_numa_nodes; i++) {
4166
            if (node_mem[i] != 0)
4167
                break;
4168
        }
4169
        if (i == nb_numa_nodes) {
4170
            uint64_t usedmem = 0;
4171

    
4172
            /* On Linux, the each node's border has to be 8MB aligned,
4173
             * the final node gets the rest.
4174
             */
4175
            for (i = 0; i < nb_numa_nodes - 1; i++) {
4176
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4177
                usedmem += node_mem[i];
4178
            }
4179
            node_mem[i] = ram_size - usedmem;
4180
        }
4181

    
4182
        for (i = 0; i < nb_numa_nodes; i++) {
4183
            if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4184
                break;
4185
            }
4186
        }
4187
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
4188
         * must cope with this anyway, because there are BIOSes out there in
4189
         * real machines which also use this scheme.
4190
         */
4191
        if (i == nb_numa_nodes) {
4192
            for (i = 0; i < max_cpus; i++) {
4193
                set_bit(i, node_cpumask[i % nb_numa_nodes]);
4194
            }
4195
        }
4196
    }
4197

    
4198
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4199
        exit(1);
4200
    }
4201

    
4202
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4203
        exit(1);
4204
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4205
        exit(1);
4206
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4207
        exit(1);
4208
    if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4209
        exit(1);
4210
    }
4211
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4212
        exit(1);
4213

    
4214
    /* If no default VGA is requested, the default is "none".  */
4215
    if (default_vga) {
4216
        if (cirrus_vga_available()) {
4217
            vga_model = "cirrus";
4218
        } else if (vga_available()) {
4219
            vga_model = "std";
4220
        }
4221
    }
4222
    select_vgahw(vga_model);
4223

    
4224
    if (watchdog) {
4225
        i = select_watchdog(watchdog);
4226
        if (i > 0)
4227
            exit (i == 1 ? 1 : 0);
4228
    }
4229

    
4230
    if (machine->compat_props) {
4231
        qdev_prop_register_global_list(machine->compat_props);
4232
    }
4233
    qemu_add_globals();
4234

    
4235
    qdev_machine_init();
4236

    
4237
    QEMUMachineInitArgs args = { .ram_size = ram_size,
4238
                                 .boot_order = boot_order,
4239
                                 .kernel_filename = kernel_filename,
4240
                                 .kernel_cmdline = kernel_cmdline,
4241
                                 .initrd_filename = initrd_filename,
4242
                                 .cpu_model = cpu_model };
4243
    machine->init(&args);
4244

    
4245
    audio_init();
4246

    
4247
    cpu_synchronize_all_post_init();
4248

    
4249
    set_numa_modes();
4250

    
4251
    current_machine = machine;
4252

    
4253
    /* init USB devices */
4254
    if (usb_enabled(false)) {
4255
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
4256
            exit(1);
4257
    }
4258

    
4259
    /* init generic devices */
4260
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4261
        exit(1);
4262

    
4263
    net_check_clients();
4264

    
4265
    ds = init_displaystate();
4266

    
4267
    /* init local displays */
4268
    switch (display_type) {
4269
    case DT_NOGRAPHIC:
4270
        break;
4271
#if defined(CONFIG_CURSES)
4272
    case DT_CURSES:
4273
        curses_display_init(ds, full_screen);
4274
        break;
4275
#endif
4276
#if defined(CONFIG_SDL)
4277
    case DT_SDL:
4278
        sdl_display_init(ds, full_screen, no_frame);
4279
        break;
4280
#elif defined(CONFIG_COCOA)
4281
    case DT_SDL:
4282
        cocoa_display_init(ds, full_screen);
4283
        break;
4284
#endif
4285
#if defined(CONFIG_GTK)
4286
    case DT_GTK:
4287
        gtk_display_init(ds, full_screen);
4288
        break;
4289
#endif
4290
    default:
4291
        break;
4292
    }
4293

    
4294
    /* must be after terminal init, SDL library changes signal handlers */
4295
    os_setup_signal_handling();
4296

    
4297
#ifdef CONFIG_VNC
4298
    /* init remote displays */
4299
    if (vnc_display) {
4300
        Error *local_err = NULL;
4301
        vnc_display_init(ds);
4302
        vnc_display_open(ds, vnc_display, &local_err);
4303
        if (local_err != NULL) {
4304
            error_report("Failed to start VNC server on `%s': %s",
4305
                         vnc_display, error_get_pretty(local_err));
4306
            error_free(local_err);
4307
            exit(1);
4308
        }
4309

    
4310
        if (show_vnc_port) {
4311
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4312
        }
4313
    }
4314
#endif
4315
#ifdef CONFIG_SPICE
4316
    if (using_spice) {
4317
        qemu_spice_display_init();
4318
    }
4319
#endif
4320

    
4321
    if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4322
        exit(1);
4323
    }
4324

    
4325
    qdev_machine_creation_done();
4326

    
4327
    if (rom_load_all() != 0) {
4328
        fprintf(stderr, "rom loading failed\n");
4329
        exit(1);
4330
    }
4331

    
4332
    /* TODO: once all bus devices are qdevified, this should be done
4333
     * when bus is created by qdev.c */
4334
    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4335
    qemu_run_machine_init_done_notifiers();
4336

    
4337
    /* Done notifiers can load ROMs */
4338
    rom_load_done();
4339

    
4340
    qemu_system_reset(VMRESET_SILENT);
4341
    if (loadvm) {
4342
        if (load_vmstate(loadvm) < 0) {
4343
            autostart = 0;
4344
        }
4345
    }
4346

    
4347
    if (incoming) {
4348
        Error *local_err = NULL;
4349
        qemu_start_incoming_migration(incoming, &local_err);
4350
        if (local_err) {
4351
            error_report("-incoming %s: %s", incoming,
4352
                         error_get_pretty(local_err));
4353
            error_free(local_err);
4354
            exit(1);
4355
        }
4356
    } else if (autostart) {
4357
        vm_start();
4358
    }
4359

    
4360
    os_setup_post();
4361

    
4362
    main_loop();
4363
    bdrv_close_all();
4364
    pause_all_vcpus();
4365
    res_free();
4366
#ifdef CONFIG_TPM
4367
    tpm_cleanup();
4368
#endif
4369

    
4370
    return 0;
4371
}