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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>
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#else
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#include <util.h>
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#endif
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#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>
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#include <stropts.h>
84
#endif
85
#endif
86
#endif
87

    
88
#if defined(CONFIG_VDE)
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#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)
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#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"
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#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"
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#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"
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#include "audio/audio.h"
145
#include "migration/migration.h"
146
#include "sysemu/kvm.h"
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#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];
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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

    
258
static QEMUBootSetHandler *boot_set_handler;
259
static void *boot_set_opaque;
260

    
261
static NotifierList exit_notifiers =
262
    NOTIFIER_LIST_INITIALIZER(exit_notifiers);
263

    
264
static NotifierList machine_init_done_notifiers =
265
    NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
266

    
267
static bool tcg_allowed = true;
268
bool xen_allowed;
269
uint32_t xen_domid;
270
enum xen_mode xen_mode = XEN_EMULATE;
271
static int tcg_tb_size;
272

    
273
static int default_serial = 1;
274
static int default_parallel = 1;
275
static int default_virtcon = 1;
276
static int default_sclp = 1;
277
static int default_monitor = 1;
278
static int default_floppy = 1;
279
static int default_cdrom = 1;
280
static int default_sdcard = 1;
281
static int default_vga = 1;
282

    
283
static struct {
284
    const char *driver;
285
    int *flag;
286
} default_list[] = {
287
    { .driver = "isa-serial",           .flag = &default_serial    },
288
    { .driver = "isa-parallel",         .flag = &default_parallel  },
289
    { .driver = "isa-fdc",              .flag = &default_floppy    },
290
    { .driver = "ide-cd",               .flag = &default_cdrom     },
291
    { .driver = "ide-hd",               .flag = &default_cdrom     },
292
    { .driver = "ide-drive",            .flag = &default_cdrom     },
293
    { .driver = "scsi-cd",              .flag = &default_cdrom     },
294
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
295
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
296
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
297
    { .driver = "VGA",                  .flag = &default_vga       },
298
    { .driver = "isa-vga",              .flag = &default_vga       },
299
    { .driver = "cirrus-vga",           .flag = &default_vga       },
300
    { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
301
    { .driver = "vmware-svga",          .flag = &default_vga       },
302
    { .driver = "qxl-vga",              .flag = &default_vga       },
303
};
304

    
305
static QemuOptsList qemu_rtc_opts = {
306
    .name = "rtc",
307
    .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
308
    .desc = {
309
        {
310
            .name = "base",
311
            .type = QEMU_OPT_STRING,
312
        },{
313
            .name = "clock",
314
            .type = QEMU_OPT_STRING,
315
        },{
316
            .name = "driftfix",
317
            .type = QEMU_OPT_STRING,
318
        },
319
        { /* end of list */ }
320
    },
321
};
322

    
323
static QemuOptsList qemu_sandbox_opts = {
324
    .name = "sandbox",
325
    .implied_opt_name = "enable",
326
    .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
327
    .desc = {
328
        {
329
            .name = "enable",
330
            .type = QEMU_OPT_BOOL,
331
        },
332
        { /* end of list */ }
333
    },
334
};
335

    
336
static QemuOptsList qemu_trace_opts = {
337
    .name = "trace",
338
    .implied_opt_name = "trace",
339
    .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
340
    .desc = {
341
        {
342
            .name = "events",
343
            .type = QEMU_OPT_STRING,
344
        },{
345
            .name = "file",
346
            .type = QEMU_OPT_STRING,
347
        },
348
        { /* end of list */ }
349
    },
350
};
351

    
352
static QemuOptsList qemu_option_rom_opts = {
353
    .name = "option-rom",
354
    .implied_opt_name = "romfile",
355
    .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
356
    .desc = {
357
        {
358
            .name = "bootindex",
359
            .type = QEMU_OPT_NUMBER,
360
        }, {
361
            .name = "romfile",
362
            .type = QEMU_OPT_STRING,
363
        },
364
        { /* end of list */ }
365
    },
366
};
367

    
368
static QemuOptsList qemu_machine_opts = {
369
    .name = "machine",
370
    .implied_opt_name = "type",
371
    .merge_lists = true,
372
    .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
373
    .desc = {
374
        {
375
            .name = "type",
376
            .type = QEMU_OPT_STRING,
377
            .help = "emulated machine"
378
        }, {
379
            .name = "accel",
380
            .type = QEMU_OPT_STRING,
381
            .help = "accelerator list",
382
        }, {
383
            .name = "kernel_irqchip",
384
            .type = QEMU_OPT_BOOL,
385
            .help = "use KVM in-kernel irqchip",
386
        }, {
387
            .name = "kvm_shadow_mem",
388
            .type = QEMU_OPT_SIZE,
389
            .help = "KVM shadow MMU size",
390
        }, {
391
            .name = "kernel",
392
            .type = QEMU_OPT_STRING,
393
            .help = "Linux kernel image file",
394
        }, {
395
            .name = "initrd",
396
            .type = QEMU_OPT_STRING,
397
            .help = "Linux initial ramdisk file",
398
        }, {
399
            .name = "append",
400
            .type = QEMU_OPT_STRING,
401
            .help = "Linux kernel command line",
402
        }, {
403
            .name = "dtb",
404
            .type = QEMU_OPT_STRING,
405
            .help = "Linux kernel device tree file",
406
        }, {
407
            .name = "dumpdtb",
408
            .type = QEMU_OPT_STRING,
409
            .help = "Dump current dtb to a file and quit",
410
        }, {
411
            .name = "phandle_start",
412
            .type = QEMU_OPT_NUMBER,
413
            .help = "The first phandle ID we may generate dynamically",
414
        }, {
415
            .name = "dt_compatible",
416
            .type = QEMU_OPT_STRING,
417
            .help = "Overrides the \"compatible\" property of the dt root node",
418
        }, {
419
            .name = "dump-guest-core",
420
            .type = QEMU_OPT_BOOL,
421
            .help = "Include guest memory in  a core dump",
422
        }, {
423
            .name = "mem-merge",
424
            .type = QEMU_OPT_BOOL,
425
            .help = "enable/disable memory merge support",
426
        },{
427
            .name = "usb",
428
            .type = QEMU_OPT_BOOL,
429
            .help = "Set on/off to enable/disable usb",
430
        },
431
        { /* End of list */ }
432
    },
433
};
434

    
435
static QemuOptsList qemu_boot_opts = {
436
    .name = "boot-opts",
437
    .implied_opt_name = "order",
438
    .merge_lists = true,
439
    .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
440
    .desc = {
441
        {
442
            .name = "order",
443
            .type = QEMU_OPT_STRING,
444
        }, {
445
            .name = "once",
446
            .type = QEMU_OPT_STRING,
447
        }, {
448
            .name = "menu",
449
            .type = QEMU_OPT_BOOL,
450
        }, {
451
            .name = "splash",
452
            .type = QEMU_OPT_STRING,
453
        }, {
454
            .name = "splash-time",
455
            .type = QEMU_OPT_STRING,
456
        }, {
457
            .name = "reboot-timeout",
458
            .type = QEMU_OPT_STRING,
459
        }, {
460
            .name = "strict",
461
            .type = QEMU_OPT_STRING,
462
        },
463
        { /*End of list */ }
464
    },
465
};
466

    
467
static QemuOptsList qemu_add_fd_opts = {
468
    .name = "add-fd",
469
    .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
470
    .desc = {
471
        {
472
            .name = "fd",
473
            .type = QEMU_OPT_NUMBER,
474
            .help = "file descriptor of which a duplicate is added to fd set",
475
        },{
476
            .name = "set",
477
            .type = QEMU_OPT_NUMBER,
478
            .help = "ID of the fd set to add fd to",
479
        },{
480
            .name = "opaque",
481
            .type = QEMU_OPT_STRING,
482
            .help = "free-form string used to describe fd",
483
        },
484
        { /* end of list */ }
485
    },
486
};
487

    
488
static QemuOptsList qemu_object_opts = {
489
    .name = "object",
490
    .implied_opt_name = "qom-type",
491
    .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
492
    .desc = {
493
        { }
494
    },
495
};
496

    
497
static QemuOptsList qemu_tpmdev_opts = {
498
    .name = "tpmdev",
499
    .implied_opt_name = "type",
500
    .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
501
    .desc = {
502
        /* options are defined in the TPM backends */
503
        { /* end of list */ }
504
    },
505
};
506

    
507
static QemuOptsList qemu_realtime_opts = {
508
    .name = "realtime",
509
    .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
510
    .desc = {
511
        {
512
            .name = "mlock",
513
            .type = QEMU_OPT_BOOL,
514
        },
515
        { /* end of list */ }
516
    },
517
};
518

    
519
static QemuOptsList qemu_msg_opts = {
520
    .name = "msg",
521
    .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
522
    .desc = {
523
        {
524
            .name = "timestamp",
525
            .type = QEMU_OPT_BOOL,
526
        },
527
        { /* end of list */ }
528
    },
529
};
530

    
531
/**
532
 * Get machine options
533
 *
534
 * Returns: machine options (never null).
535
 */
536
QemuOpts *qemu_get_machine_opts(void)
537
{
538
    QemuOptsList *list;
539
    QemuOpts *opts;
540

    
541
    list = qemu_find_opts("machine");
542
    assert(list);
543
    opts = qemu_opts_find(list, NULL);
544
    if (!opts) {
545
        opts = qemu_opts_create_nofail(list);
546
    }
547
    return opts;
548
}
549

    
550
const char *qemu_get_vm_name(void)
551
{
552
    return qemu_name;
553
}
554

    
555
static void res_free(void)
556
{
557
    if (boot_splash_filedata != NULL) {
558
        g_free(boot_splash_filedata);
559
        boot_splash_filedata = NULL;
560
    }
561
}
562

    
563
static int default_driver_check(QemuOpts *opts, void *opaque)
564
{
565
    const char *driver = qemu_opt_get(opts, "driver");
566
    int i;
567

    
568
    if (!driver)
569
        return 0;
570
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
571
        if (strcmp(default_list[i].driver, driver) != 0)
572
            continue;
573
        *(default_list[i].flag) = 0;
574
    }
575
    return 0;
576
}
577

    
578
/***********************************************************/
579
/* QEMU state */
580

    
581
static RunState current_run_state = RUN_STATE_PRELAUNCH;
582

    
583
typedef struct {
584
    RunState from;
585
    RunState to;
586
} RunStateTransition;
587

    
588
static const RunStateTransition runstate_transitions_def[] = {
589
    /*     from      ->     to      */
590
    { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
591

    
592
    { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
593
    { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
594

    
595
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
596
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
597

    
598
    { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
599
    { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
600

    
601
    { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
602
    { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
603

    
604
    { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
605
    { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
606

    
607
    { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
608
    { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
609
    { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
610

    
611
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
612
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
613

    
614
    { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
615

    
616
    { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
617
    { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
618
    { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
619
    { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
620
    { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
621
    { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
622
    { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
623
    { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
624
    { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
625
    { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
626

    
627
    { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
628

    
629
    { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
630
    { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
631

    
632
    { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
633
    { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
634
    { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
635
    { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
636

    
637
    { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
638
    { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
639

    
640
    { RUN_STATE_GUEST_PANICKED, RUN_STATE_PAUSED },
641
    { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
642
    { RUN_STATE_GUEST_PANICKED, RUN_STATE_DEBUG },
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
        runstate_check(RUN_STATE_GUEST_PANICKED);
690
}
691

    
692
StatusInfo *qmp_query_status(Error **errp)
693
{
694
    StatusInfo *info = g_malloc0(sizeof(*info));
695

    
696
    info->running = runstate_is_running();
697
    info->singlestep = singlestep;
698
    info->status = current_run_state;
699

    
700
    return info;
701
}
702

    
703
/***********************************************************/
704
/* real time host monotonic timer */
705

    
706
/***********************************************************/
707
/* host time/date access */
708
void qemu_get_timedate(struct tm *tm, int offset)
709
{
710
    time_t ti;
711

    
712
    time(&ti);
713
    ti += offset;
714
    if (rtc_date_offset == -1) {
715
        if (rtc_utc)
716
            gmtime_r(&ti, tm);
717
        else
718
            localtime_r(&ti, tm);
719
    } else {
720
        ti -= rtc_date_offset;
721
        gmtime_r(&ti, tm);
722
    }
723
}
724

    
725
int qemu_timedate_diff(struct tm *tm)
726
{
727
    time_t seconds;
728

    
729
    if (rtc_date_offset == -1)
730
        if (rtc_utc)
731
            seconds = mktimegm(tm);
732
        else {
733
            struct tm tmp = *tm;
734
            tmp.tm_isdst = -1; /* use timezone to figure it out */
735
            seconds = mktime(&tmp);
736
        }
737
    else
738
        seconds = mktimegm(tm) + rtc_date_offset;
739

    
740
    return seconds - time(NULL);
741
}
742

    
743
void rtc_change_mon_event(struct tm *tm)
744
{
745
    QObject *data;
746

    
747
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
748
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
749
    qobject_decref(data);
750
}
751

    
752
static void configure_rtc_date_offset(const char *startdate, int legacy)
753
{
754
    time_t rtc_start_date;
755
    struct tm tm;
756

    
757
    if (!strcmp(startdate, "now") && legacy) {
758
        rtc_date_offset = -1;
759
    } else {
760
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
761
                   &tm.tm_year,
762
                   &tm.tm_mon,
763
                   &tm.tm_mday,
764
                   &tm.tm_hour,
765
                   &tm.tm_min,
766
                   &tm.tm_sec) == 6) {
767
            /* OK */
768
        } else if (sscanf(startdate, "%d-%d-%d",
769
                          &tm.tm_year,
770
                          &tm.tm_mon,
771
                          &tm.tm_mday) == 3) {
772
            tm.tm_hour = 0;
773
            tm.tm_min = 0;
774
            tm.tm_sec = 0;
775
        } else {
776
            goto date_fail;
777
        }
778
        tm.tm_year -= 1900;
779
        tm.tm_mon--;
780
        rtc_start_date = mktimegm(&tm);
781
        if (rtc_start_date == -1) {
782
        date_fail:
783
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
784
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
785
            exit(1);
786
        }
787
        rtc_date_offset = time(NULL) - rtc_start_date;
788
    }
789
}
790

    
791
static void configure_rtc(QemuOpts *opts)
792
{
793
    const char *value;
794

    
795
    value = qemu_opt_get(opts, "base");
796
    if (value) {
797
        if (!strcmp(value, "utc")) {
798
            rtc_utc = 1;
799
        } else if (!strcmp(value, "localtime")) {
800
            rtc_utc = 0;
801
        } else {
802
            configure_rtc_date_offset(value, 0);
803
        }
804
    }
805
    value = qemu_opt_get(opts, "clock");
806
    if (value) {
807
        if (!strcmp(value, "host")) {
808
            rtc_clock = QEMU_CLOCK_HOST;
809
        } else if (!strcmp(value, "rt")) {
810
            rtc_clock = QEMU_CLOCK_REALTIME;
811
        } else if (!strcmp(value, "vm")) {
812
            rtc_clock = QEMU_CLOCK_VIRTUAL;
813
        } else {
814
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
815
            exit(1);
816
        }
817
    }
818
    value = qemu_opt_get(opts, "driftfix");
819
    if (value) {
820
        if (!strcmp(value, "slew")) {
821
            static GlobalProperty slew_lost_ticks[] = {
822
                {
823
                    .driver   = "mc146818rtc",
824
                    .property = "lost_tick_policy",
825
                    .value    = "slew",
826
                },
827
                { /* end of list */ }
828
            };
829

    
830
            qdev_prop_register_global_list(slew_lost_ticks);
831
        } else if (!strcmp(value, "none")) {
832
            /* discard is default */
833
        } else {
834
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
835
            exit(1);
836
        }
837
    }
838
}
839

    
840
/***********************************************************/
841
/* Bluetooth support */
842
static int nb_hcis;
843
static int cur_hci;
844
static struct HCIInfo *hci_table[MAX_NICS];
845

    
846
struct HCIInfo *qemu_next_hci(void)
847
{
848
    if (cur_hci == nb_hcis)
849
        return &null_hci;
850

    
851
    return hci_table[cur_hci++];
852
}
853

    
854
static int bt_hci_parse(const char *str)
855
{
856
    struct HCIInfo *hci;
857
    bdaddr_t bdaddr;
858

    
859
    if (nb_hcis >= MAX_NICS) {
860
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
861
        return -1;
862
    }
863

    
864
    hci = hci_init(str);
865
    if (!hci)
866
        return -1;
867

    
868
    bdaddr.b[0] = 0x52;
869
    bdaddr.b[1] = 0x54;
870
    bdaddr.b[2] = 0x00;
871
    bdaddr.b[3] = 0x12;
872
    bdaddr.b[4] = 0x34;
873
    bdaddr.b[5] = 0x56 + nb_hcis;
874
    hci->bdaddr_set(hci, bdaddr.b);
875

    
876
    hci_table[nb_hcis++] = hci;
877

    
878
    return 0;
879
}
880

    
881
static void bt_vhci_add(int vlan_id)
882
{
883
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
884

    
885
    if (!vlan->slave)
886
        fprintf(stderr, "qemu: warning: adding a VHCI to "
887
                        "an empty scatternet %i\n", vlan_id);
888

    
889
    bt_vhci_init(bt_new_hci(vlan));
890
}
891

    
892
static struct bt_device_s *bt_device_add(const char *opt)
893
{
894
    struct bt_scatternet_s *vlan;
895
    int vlan_id = 0;
896
    char *endp = strstr(opt, ",vlan=");
897
    int len = (endp ? endp - opt : strlen(opt)) + 1;
898
    char devname[10];
899

    
900
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
901

    
902
    if (endp) {
903
        vlan_id = strtol(endp + 6, &endp, 0);
904
        if (*endp) {
905
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
906
            return 0;
907
        }
908
    }
909

    
910
    vlan = qemu_find_bt_vlan(vlan_id);
911

    
912
    if (!vlan->slave)
913
        fprintf(stderr, "qemu: warning: adding a slave device to "
914
                        "an empty scatternet %i\n", vlan_id);
915

    
916
    if (!strcmp(devname, "keyboard"))
917
        return bt_keyboard_init(vlan);
918

    
919
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
920
    return 0;
921
}
922

    
923
static int bt_parse(const char *opt)
924
{
925
    const char *endp, *p;
926
    int vlan;
927

    
928
    if (strstart(opt, "hci", &endp)) {
929
        if (!*endp || *endp == ',') {
930
            if (*endp)
931
                if (!strstart(endp, ",vlan=", 0))
932
                    opt = endp + 1;
933

    
934
            return bt_hci_parse(opt);
935
       }
936
    } else if (strstart(opt, "vhci", &endp)) {
937
        if (!*endp || *endp == ',') {
938
            if (*endp) {
939
                if (strstart(endp, ",vlan=", &p)) {
940
                    vlan = strtol(p, (char **) &endp, 0);
941
                    if (*endp) {
942
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
943
                        return 1;
944
                    }
945
                } else {
946
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
947
                    return 1;
948
                }
949
            } else
950
                vlan = 0;
951

    
952
            bt_vhci_add(vlan);
953
            return 0;
954
        }
955
    } else if (strstart(opt, "device:", &endp))
956
        return !bt_device_add(endp);
957

    
958
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
959
    return 1;
960
}
961

    
962
static int parse_sandbox(QemuOpts *opts, void *opaque)
963
{
964
    /* FIXME: change this to true for 1.3 */
965
    if (qemu_opt_get_bool(opts, "enable", false)) {
966
#ifdef CONFIG_SECCOMP
967
        if (seccomp_start() < 0) {
968
            qerror_report(ERROR_CLASS_GENERIC_ERROR,
969
                          "failed to install seccomp syscall filter in the kernel");
970
            return -1;
971
        }
972
#else
973
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
974
                      "sandboxing request but seccomp is not compiled into this build");
975
        return -1;
976
#endif
977
    }
978

    
979
    return 0;
980
}
981

    
982
bool usb_enabled(bool default_usb)
983
{
984
    return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb);
985
}
986

    
987
#ifndef _WIN32
988
static int parse_add_fd(QemuOpts *opts, void *opaque)
989
{
990
    int fd, dupfd, flags;
991
    int64_t fdset_id;
992
    const char *fd_opaque = NULL;
993

    
994
    fd = qemu_opt_get_number(opts, "fd", -1);
995
    fdset_id = qemu_opt_get_number(opts, "set", -1);
996
    fd_opaque = qemu_opt_get(opts, "opaque");
997

    
998
    if (fd < 0) {
999
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1000
                      "fd option is required and must be non-negative");
1001
        return -1;
1002
    }
1003

    
1004
    if (fd <= STDERR_FILENO) {
1005
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1006
                      "fd cannot be a standard I/O stream");
1007
        return -1;
1008
    }
1009

    
1010
    /*
1011
     * All fds inherited across exec() necessarily have FD_CLOEXEC
1012
     * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1013
     */
1014
    flags = fcntl(fd, F_GETFD);
1015
    if (flags == -1 || (flags & FD_CLOEXEC)) {
1016
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1017
                      "fd is not valid or already in use");
1018
        return -1;
1019
    }
1020

    
1021
    if (fdset_id < 0) {
1022
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1023
                      "set option is required and must be non-negative");
1024
        return -1;
1025
    }
1026

    
1027
#ifdef F_DUPFD_CLOEXEC
1028
    dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1029
#else
1030
    dupfd = dup(fd);
1031
    if (dupfd != -1) {
1032
        qemu_set_cloexec(dupfd);
1033
    }
1034
#endif
1035
    if (dupfd == -1) {
1036
        qerror_report(ERROR_CLASS_GENERIC_ERROR,
1037
                      "Error duplicating fd: %s", strerror(errno));
1038
        return -1;
1039
    }
1040

    
1041
    /* add the duplicate fd, and optionally the opaque string, to the fd set */
1042
    monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1043
                         fd_opaque, NULL);
1044

    
1045
    return 0;
1046
}
1047

    
1048
static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1049
{
1050
    int fd;
1051

    
1052
    fd = qemu_opt_get_number(opts, "fd", -1);
1053
    close(fd);
1054

    
1055
    return 0;
1056
}
1057
#endif
1058

    
1059
/***********************************************************/
1060
/* QEMU Block devices */
1061

    
1062
#define HD_OPTS "media=disk"
1063
#define CDROM_OPTS "media=cdrom"
1064
#define FD_OPTS ""
1065
#define PFLASH_OPTS ""
1066
#define MTD_OPTS ""
1067
#define SD_OPTS ""
1068

    
1069
static int drive_init_func(QemuOpts *opts, void *opaque)
1070
{
1071
    BlockInterfaceType *block_default_type = opaque;
1072

    
1073
    return drive_init(opts, *block_default_type) == NULL;
1074
}
1075

    
1076
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1077
{
1078
    if (NULL == qemu_opt_get(opts, "snapshot")) {
1079
        qemu_opt_set(opts, "snapshot", "on");
1080
    }
1081
    return 0;
1082
}
1083

    
1084
static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1085
                          int index, const char *optstr)
1086
{
1087
    QemuOpts *opts;
1088

    
1089
    if (!enable || drive_get_by_index(type, index)) {
1090
        return;
1091
    }
1092

    
1093
    opts = drive_add(type, index, NULL, optstr);
1094
    if (snapshot) {
1095
        drive_enable_snapshot(opts, NULL);
1096
    }
1097
    if (!drive_init(opts, type)) {
1098
        exit(1);
1099
    }
1100
}
1101

    
1102
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1103
{
1104
    boot_set_handler = func;
1105
    boot_set_opaque = opaque;
1106
}
1107

    
1108
int qemu_boot_set(const char *boot_order)
1109
{
1110
    if (!boot_set_handler) {
1111
        return -EINVAL;
1112
    }
1113
    return boot_set_handler(boot_set_opaque, boot_order);
1114
}
1115

    
1116
static void validate_bootdevices(const char *devices)
1117
{
1118
    /* We just do some generic consistency checks */
1119
    const char *p;
1120
    int bitmap = 0;
1121

    
1122
    for (p = devices; *p != '\0'; p++) {
1123
        /* Allowed boot devices are:
1124
         * a-b: floppy disk drives
1125
         * c-f: IDE disk drives
1126
         * g-m: machine implementation dependent drives
1127
         * n-p: network devices
1128
         * It's up to each machine implementation to check if the given boot
1129
         * devices match the actual hardware implementation and firmware
1130
         * features.
1131
         */
1132
        if (*p < 'a' || *p > 'p') {
1133
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
1134
            exit(1);
1135
        }
1136
        if (bitmap & (1 << (*p - 'a'))) {
1137
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1138
            exit(1);
1139
        }
1140
        bitmap |= 1 << (*p - 'a');
1141
    }
1142
}
1143

    
1144
static void restore_boot_order(void *opaque)
1145
{
1146
    char *normal_boot_order = opaque;
1147
    static int first = 1;
1148

    
1149
    /* Restore boot order and remove ourselves after the first boot */
1150
    if (first) {
1151
        first = 0;
1152
        return;
1153
    }
1154

    
1155
    qemu_boot_set(normal_boot_order);
1156

    
1157
    qemu_unregister_reset(restore_boot_order, normal_boot_order);
1158
    g_free(normal_boot_order);
1159
}
1160

    
1161
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1162
                          const char *suffix)
1163
{
1164
    FWBootEntry *node, *i;
1165

    
1166
    if (bootindex < 0) {
1167
        return;
1168
    }
1169

    
1170
    assert(dev != NULL || suffix != NULL);
1171

    
1172
    node = g_malloc0(sizeof(FWBootEntry));
1173
    node->bootindex = bootindex;
1174
    node->suffix = g_strdup(suffix);
1175
    node->dev = dev;
1176

    
1177
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
1178
        if (i->bootindex == bootindex) {
1179
            fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1180
            exit(1);
1181
        } else if (i->bootindex < bootindex) {
1182
            continue;
1183
        }
1184
        QTAILQ_INSERT_BEFORE(i, node, link);
1185
        return;
1186
    }
1187
    QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1188
}
1189

    
1190
DeviceState *get_boot_device(uint32_t position)
1191
{
1192
    uint32_t counter = 0;
1193
    FWBootEntry *i = NULL;
1194
    DeviceState *res = NULL;
1195

    
1196
    if (!QTAILQ_EMPTY(&fw_boot_order)) {
1197
        QTAILQ_FOREACH(i, &fw_boot_order, link) {
1198
            if (counter == position) {
1199
                res = i->dev;
1200
                break;
1201
            }
1202
            counter++;
1203
        }
1204
    }
1205
    return res;
1206
}
1207

    
1208
/*
1209
 * This function returns null terminated string that consist of new line
1210
 * separated device paths.
1211
 *
1212
 * memory pointed by "size" is assigned total length of the array in bytes
1213
 *
1214
 */
1215
char *get_boot_devices_list(size_t *size)
1216
{
1217
    FWBootEntry *i;
1218
    size_t total = 0;
1219
    char *list = NULL;
1220

    
1221
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
1222
        char *devpath = NULL, *bootpath;
1223
        size_t len;
1224

    
1225
        if (i->dev) {
1226
            devpath = qdev_get_fw_dev_path(i->dev);
1227
            assert(devpath);
1228
        }
1229

    
1230
        if (i->suffix && devpath) {
1231
            size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1232

    
1233
            bootpath = g_malloc(bootpathlen);
1234
            snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1235
            g_free(devpath);
1236
        } else if (devpath) {
1237
            bootpath = devpath;
1238
        } else {
1239
            assert(i->suffix);
1240
            bootpath = g_strdup(i->suffix);
1241
        }
1242

    
1243
        if (total) {
1244
            list[total-1] = '\n';
1245
        }
1246
        len = strlen(bootpath) + 1;
1247
        list = g_realloc(list, total + len);
1248
        memcpy(&list[total], bootpath, len);
1249
        total += len;
1250
        g_free(bootpath);
1251
    }
1252

    
1253
    *size = total;
1254

    
1255
    if (boot_strict && *size > 0) {
1256
        list[total-1] = '\n';
1257
        list = g_realloc(list, total + 5);
1258
        memcpy(&list[total], "HALT", 5);
1259
        *size = total + 5;
1260
    }
1261
    return list;
1262
}
1263

    
1264
static void numa_node_parse_cpus(int nodenr, const char *cpus)
1265
{
1266
    char *endptr;
1267
    unsigned long long value, endvalue;
1268

    
1269
    /* Empty CPU range strings will be considered valid, they will simply
1270
     * not set any bit in the CPU bitmap.
1271
     */
1272
    if (!*cpus) {
1273
        return;
1274
    }
1275

    
1276
    if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1277
        goto error;
1278
    }
1279
    if (*endptr == '-') {
1280
        if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1281
            goto error;
1282
        }
1283
    } else if (*endptr == '\0') {
1284
        endvalue = value;
1285
    } else {
1286
        goto error;
1287
    }
1288

    
1289
    if (endvalue >= MAX_CPUMASK_BITS) {
1290
        endvalue = MAX_CPUMASK_BITS - 1;
1291
        fprintf(stderr,
1292
            "qemu: NUMA: A max of %d VCPUs are supported\n",
1293
             MAX_CPUMASK_BITS);
1294
    }
1295

    
1296
    if (endvalue < value) {
1297
        goto error;
1298
    }
1299

    
1300
    bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1301
    return;
1302

    
1303
error:
1304
    fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1305
    exit(1);
1306
}
1307

    
1308
static void numa_add(const char *optarg)
1309
{
1310
    char option[128];
1311
    char *endptr;
1312
    unsigned long long nodenr;
1313

    
1314
    optarg = get_opt_name(option, 128, optarg, ',');
1315
    if (*optarg == ',') {
1316
        optarg++;
1317
    }
1318
    if (!strcmp(option, "node")) {
1319

    
1320
        if (nb_numa_nodes >= MAX_NODES) {
1321
            fprintf(stderr, "qemu: too many NUMA nodes\n");
1322
            exit(1);
1323
        }
1324

    
1325
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1326
            nodenr = nb_numa_nodes;
1327
        } else {
1328
            if (parse_uint_full(option, &nodenr, 10) < 0) {
1329
                fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1330
                exit(1);
1331
            }
1332
        }
1333

    
1334
        if (nodenr >= MAX_NODES) {
1335
            fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1336
            exit(1);
1337
        }
1338

    
1339
        if (get_param_value(option, 128, "mem", optarg) == 0) {
1340
            node_mem[nodenr] = 0;
1341
        } else {
1342
            int64_t sval;
1343
            sval = strtosz(option, &endptr);
1344
            if (sval < 0 || *endptr) {
1345
                fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1346
                exit(1);
1347
            }
1348
            node_mem[nodenr] = sval;
1349
        }
1350
        if (get_param_value(option, 128, "cpus", optarg) != 0) {
1351
            numa_node_parse_cpus(nodenr, option);
1352
        }
1353
        nb_numa_nodes++;
1354
    } else {
1355
        fprintf(stderr, "Invalid -numa option: %s\n", option);
1356
        exit(1);
1357
    }
1358
}
1359

    
1360
static QemuOptsList qemu_smp_opts = {
1361
    .name = "smp-opts",
1362
    .implied_opt_name = "cpus",
1363
    .merge_lists = true,
1364
    .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1365
    .desc = {
1366
        {
1367
            .name = "cpus",
1368
            .type = QEMU_OPT_NUMBER,
1369
        }, {
1370
            .name = "sockets",
1371
            .type = QEMU_OPT_NUMBER,
1372
        }, {
1373
            .name = "cores",
1374
            .type = QEMU_OPT_NUMBER,
1375
        }, {
1376
            .name = "threads",
1377
            .type = QEMU_OPT_NUMBER,
1378
        }, {
1379
            .name = "maxcpus",
1380
            .type = QEMU_OPT_NUMBER,
1381
        },
1382
        { /*End of list */ }
1383
    },
1384
};
1385

    
1386
static void smp_parse(QemuOpts *opts)
1387
{
1388
    if (opts) {
1389

    
1390
        unsigned cpus    = qemu_opt_get_number(opts, "cpus", 0);
1391
        unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1392
        unsigned cores   = qemu_opt_get_number(opts, "cores", 0);
1393
        unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1394

    
1395
        /* compute missing values, prefer sockets over cores over threads */
1396
        if (cpus == 0 || sockets == 0) {
1397
            sockets = sockets > 0 ? sockets : 1;
1398
            cores = cores > 0 ? cores : 1;
1399
            threads = threads > 0 ? threads : 1;
1400
            if (cpus == 0) {
1401
                cpus = cores * threads * sockets;
1402
            }
1403
        } else {
1404
            if (cores == 0) {
1405
                threads = threads > 0 ? threads : 1;
1406
                cores = cpus / (sockets * threads);
1407
            } else {
1408
                threads = cpus / (cores * sockets);
1409
            }
1410
        }
1411

    
1412
        max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1413

    
1414
        smp_cpus = cpus;
1415
        smp_cores = cores > 0 ? cores : 1;
1416
        smp_threads = threads > 0 ? threads : 1;
1417

    
1418
    }
1419

    
1420
    if (max_cpus == 0) {
1421
        max_cpus = smp_cpus;
1422
    }
1423

    
1424
    if (max_cpus > 255) {
1425
        fprintf(stderr, "Unsupported number of maxcpus\n");
1426
        exit(1);
1427
    }
1428
    if (max_cpus < smp_cpus) {
1429
        fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1430
        exit(1);
1431
    }
1432

    
1433
}
1434

    
1435
static void configure_realtime(QemuOpts *opts)
1436
{
1437
    bool enable_mlock;
1438

    
1439
    enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1440

    
1441
    if (enable_mlock) {
1442
        if (os_mlock() < 0) {
1443
            fprintf(stderr, "qemu: locking memory failed\n");
1444
            exit(1);
1445
        }
1446
    }
1447
}
1448

    
1449

    
1450
static void configure_msg(QemuOpts *opts)
1451
{
1452
    enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1453
}
1454

    
1455
/***********************************************************/
1456
/* USB devices */
1457

    
1458
static int usb_device_add(const char *devname)
1459
{
1460
    USBDevice *dev = NULL;
1461
#ifndef CONFIG_LINUX
1462
    const char *p;
1463
#endif
1464

    
1465
    if (!usb_enabled(false)) {
1466
        return -1;
1467
    }
1468

    
1469
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
1470
    dev = usbdevice_create(devname);
1471
    if (dev)
1472
        goto done;
1473

    
1474
    /* the other ones */
1475
#ifndef CONFIG_LINUX
1476
    /* only the linux version is qdev-ified, usb-bsd still needs this */
1477
    if (strstart(devname, "host:", &p)) {
1478
        dev = usb_host_device_open(usb_bus_find(-1), p);
1479
    }
1480
#endif
1481
    if (!dev)
1482
        return -1;
1483

    
1484
done:
1485
    return 0;
1486
}
1487

    
1488
static int usb_device_del(const char *devname)
1489
{
1490
    int bus_num, addr;
1491
    const char *p;
1492

    
1493
    if (strstart(devname, "host:", &p)) {
1494
        return -1;
1495
    }
1496

    
1497
    if (!usb_enabled(false)) {
1498
        return -1;
1499
    }
1500

    
1501
    p = strchr(devname, '.');
1502
    if (!p)
1503
        return -1;
1504
    bus_num = strtoul(devname, NULL, 0);
1505
    addr = strtoul(p + 1, NULL, 0);
1506

    
1507
    return usb_device_delete_addr(bus_num, addr);
1508
}
1509

    
1510
static int usb_parse(const char *cmdline)
1511
{
1512
    int r;
1513
    r = usb_device_add(cmdline);
1514
    if (r < 0) {
1515
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1516
    }
1517
    return r;
1518
}
1519

    
1520
void do_usb_add(Monitor *mon, const QDict *qdict)
1521
{
1522
    const char *devname = qdict_get_str(qdict, "devname");
1523
    if (usb_device_add(devname) < 0) {
1524
        error_report("could not add USB device '%s'", devname);
1525
    }
1526
}
1527

    
1528
void do_usb_del(Monitor *mon, const QDict *qdict)
1529
{
1530
    const char *devname = qdict_get_str(qdict, "devname");
1531
    if (usb_device_del(devname) < 0) {
1532
        error_report("could not delete USB device '%s'", devname);
1533
    }
1534
}
1535

    
1536
/***********************************************************/
1537
/* PCMCIA/Cardbus */
1538

    
1539
static struct pcmcia_socket_entry_s {
1540
    PCMCIASocket *socket;
1541
    struct pcmcia_socket_entry_s *next;
1542
} *pcmcia_sockets = 0;
1543

    
1544
void pcmcia_socket_register(PCMCIASocket *socket)
1545
{
1546
    struct pcmcia_socket_entry_s *entry;
1547

    
1548
    entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1549
    entry->socket = socket;
1550
    entry->next = pcmcia_sockets;
1551
    pcmcia_sockets = entry;
1552
}
1553

    
1554
void pcmcia_socket_unregister(PCMCIASocket *socket)
1555
{
1556
    struct pcmcia_socket_entry_s *entry, **ptr;
1557

    
1558
    ptr = &pcmcia_sockets;
1559
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1560
        if (entry->socket == socket) {
1561
            *ptr = entry->next;
1562
            g_free(entry);
1563
        }
1564
}
1565

    
1566
void pcmcia_info(Monitor *mon, const QDict *qdict)
1567
{
1568
    struct pcmcia_socket_entry_s *iter;
1569

    
1570
    if (!pcmcia_sockets)
1571
        monitor_printf(mon, "No PCMCIA sockets\n");
1572

    
1573
    for (iter = pcmcia_sockets; iter; iter = iter->next)
1574
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1575
                       iter->socket->attached ? iter->socket->card_string :
1576
                       "Empty");
1577
}
1578

    
1579
/***********************************************************/
1580
/* machine registration */
1581

    
1582
static QEMUMachine *first_machine = NULL;
1583
QEMUMachine *current_machine = NULL;
1584

    
1585
int qemu_register_machine(QEMUMachine *m)
1586
{
1587
    QEMUMachine **pm;
1588
    pm = &first_machine;
1589
    while (*pm != NULL)
1590
        pm = &(*pm)->next;
1591
    m->next = NULL;
1592
    *pm = m;
1593
    return 0;
1594
}
1595

    
1596
static QEMUMachine *find_machine(const char *name)
1597
{
1598
    QEMUMachine *m;
1599

    
1600
    for(m = first_machine; m != NULL; m = m->next) {
1601
        if (!strcmp(m->name, name))
1602
            return m;
1603
        if (m->alias && !strcmp(m->alias, name))
1604
            return m;
1605
    }
1606
    return NULL;
1607
}
1608

    
1609
QEMUMachine *find_default_machine(void)
1610
{
1611
    QEMUMachine *m;
1612

    
1613
    for(m = first_machine; m != NULL; m = m->next) {
1614
        if (m->is_default) {
1615
            return m;
1616
        }
1617
    }
1618
    return NULL;
1619
}
1620

    
1621
MachineInfoList *qmp_query_machines(Error **errp)
1622
{
1623
    MachineInfoList *mach_list = NULL;
1624
    QEMUMachine *m;
1625

    
1626
    for (m = first_machine; m; m = m->next) {
1627
        MachineInfoList *entry;
1628
        MachineInfo *info;
1629

    
1630
        info = g_malloc0(sizeof(*info));
1631
        if (m->is_default) {
1632
            info->has_is_default = true;
1633
            info->is_default = true;
1634
        }
1635

    
1636
        if (m->alias) {
1637
            info->has_alias = true;
1638
            info->alias = g_strdup(m->alias);
1639
        }
1640

    
1641
        info->name = g_strdup(m->name);
1642
        info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1643

    
1644
        entry = g_malloc0(sizeof(*entry));
1645
        entry->value = info;
1646
        entry->next = mach_list;
1647
        mach_list = entry;
1648
    }
1649

    
1650
    return mach_list;
1651
}
1652

    
1653
/***********************************************************/
1654
/* main execution loop */
1655

    
1656
struct vm_change_state_entry {
1657
    VMChangeStateHandler *cb;
1658
    void *opaque;
1659
    QLIST_ENTRY (vm_change_state_entry) entries;
1660
};
1661

    
1662
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1663

    
1664
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1665
                                                     void *opaque)
1666
{
1667
    VMChangeStateEntry *e;
1668

    
1669
    e = g_malloc0(sizeof (*e));
1670

    
1671
    e->cb = cb;
1672
    e->opaque = opaque;
1673
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1674
    return e;
1675
}
1676

    
1677
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1678
{
1679
    QLIST_REMOVE (e, entries);
1680
    g_free (e);
1681
}
1682

    
1683
void vm_state_notify(int running, RunState state)
1684
{
1685
    VMChangeStateEntry *e;
1686

    
1687
    trace_vm_state_notify(running, state);
1688

    
1689
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1690
        e->cb(e->opaque, running, state);
1691
    }
1692
}
1693

    
1694
void vm_start(void)
1695
{
1696
    if (!runstate_is_running()) {
1697
        cpu_enable_ticks();
1698
        runstate_set(RUN_STATE_RUNNING);
1699
        vm_state_notify(1, RUN_STATE_RUNNING);
1700
        resume_all_vcpus();
1701
        monitor_protocol_event(QEVENT_RESUME, NULL);
1702
    }
1703
}
1704

    
1705
/* reset/shutdown handler */
1706

    
1707
typedef struct QEMUResetEntry {
1708
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1709
    QEMUResetHandler *func;
1710
    void *opaque;
1711
} QEMUResetEntry;
1712

    
1713
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1714
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1715
static int reset_requested;
1716
static int shutdown_requested, shutdown_signal = -1;
1717
static pid_t shutdown_pid;
1718
static int powerdown_requested;
1719
static int debug_requested;
1720
static int suspend_requested;
1721
static int wakeup_requested;
1722
static NotifierList powerdown_notifiers =
1723
    NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1724
static NotifierList suspend_notifiers =
1725
    NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1726
static NotifierList wakeup_notifiers =
1727
    NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1728
static uint32_t wakeup_reason_mask = ~0;
1729
static RunState vmstop_requested = RUN_STATE_MAX;
1730

    
1731
int qemu_shutdown_requested_get(void)
1732
{
1733
    return shutdown_requested;
1734
}
1735

    
1736
int qemu_reset_requested_get(void)
1737
{
1738
    return reset_requested;
1739
}
1740

    
1741
static int qemu_shutdown_requested(void)
1742
{
1743
    int r = shutdown_requested;
1744
    shutdown_requested = 0;
1745
    return r;
1746
}
1747

    
1748
static void qemu_kill_report(void)
1749
{
1750
    if (!qtest_enabled() && shutdown_signal != -1) {
1751
        fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1752
        if (shutdown_pid == 0) {
1753
            /* This happens for eg ^C at the terminal, so it's worth
1754
             * avoiding printing an odd message in that case.
1755
             */
1756
            fputc('\n', stderr);
1757
        } else {
1758
            fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1759
        }
1760
        shutdown_signal = -1;
1761
    }
1762
}
1763

    
1764
static int qemu_reset_requested(void)
1765
{
1766
    int r = reset_requested;
1767
    reset_requested = 0;
1768
    return r;
1769
}
1770

    
1771
static int qemu_suspend_requested(void)
1772
{
1773
    int r = suspend_requested;
1774
    suspend_requested = 0;
1775
    return r;
1776
}
1777

    
1778
static int qemu_wakeup_requested(void)
1779
{
1780
    int r = wakeup_requested;
1781
    wakeup_requested = 0;
1782
    return r;
1783
}
1784

    
1785
static int qemu_powerdown_requested(void)
1786
{
1787
    int r = powerdown_requested;
1788
    powerdown_requested = 0;
1789
    return r;
1790
}
1791

    
1792
static int qemu_debug_requested(void)
1793
{
1794
    int r = debug_requested;
1795
    debug_requested = 0;
1796
    return r;
1797
}
1798

    
1799
/* We use RUN_STATE_MAX but any invalid value will do */
1800
static bool qemu_vmstop_requested(RunState *r)
1801
{
1802
    if (vmstop_requested < RUN_STATE_MAX) {
1803
        *r = vmstop_requested;
1804
        vmstop_requested = RUN_STATE_MAX;
1805
        return true;
1806
    }
1807

    
1808
    return false;
1809
}
1810

    
1811
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1812
{
1813
    QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1814

    
1815
    re->func = func;
1816
    re->opaque = opaque;
1817
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1818
}
1819

    
1820
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1821
{
1822
    QEMUResetEntry *re;
1823

    
1824
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1825
        if (re->func == func && re->opaque == opaque) {
1826
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1827
            g_free(re);
1828
            return;
1829
        }
1830
    }
1831
}
1832

    
1833
void qemu_devices_reset(void)
1834
{
1835
    QEMUResetEntry *re, *nre;
1836

    
1837
    /* reset all devices */
1838
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1839
        re->func(re->opaque);
1840
    }
1841
}
1842

    
1843
void qemu_system_reset(bool report)
1844
{
1845
    if (current_machine && current_machine->reset) {
1846
        current_machine->reset();
1847
    } else {
1848
        qemu_devices_reset();
1849
    }
1850
    if (report) {
1851
        monitor_protocol_event(QEVENT_RESET, NULL);
1852
    }
1853
    cpu_synchronize_all_post_reset();
1854
}
1855

    
1856
void qemu_system_reset_request(void)
1857
{
1858
    if (no_reboot) {
1859
        shutdown_requested = 1;
1860
    } else {
1861
        reset_requested = 1;
1862
    }
1863
    cpu_stop_current();
1864
    qemu_notify_event();
1865
}
1866

    
1867
static void qemu_system_suspend(void)
1868
{
1869
    pause_all_vcpus();
1870
    notifier_list_notify(&suspend_notifiers, NULL);
1871
    runstate_set(RUN_STATE_SUSPENDED);
1872
    monitor_protocol_event(QEVENT_SUSPEND, NULL);
1873
}
1874

    
1875
void qemu_system_suspend_request(void)
1876
{
1877
    if (runstate_check(RUN_STATE_SUSPENDED)) {
1878
        return;
1879
    }
1880
    suspend_requested = 1;
1881
    cpu_stop_current();
1882
    qemu_notify_event();
1883
}
1884

    
1885
void qemu_register_suspend_notifier(Notifier *notifier)
1886
{
1887
    notifier_list_add(&suspend_notifiers, notifier);
1888
}
1889

    
1890
void qemu_system_wakeup_request(WakeupReason reason)
1891
{
1892
    if (!runstate_check(RUN_STATE_SUSPENDED)) {
1893
        return;
1894
    }
1895
    if (!(wakeup_reason_mask & (1 << reason))) {
1896
        return;
1897
    }
1898
    runstate_set(RUN_STATE_RUNNING);
1899
    notifier_list_notify(&wakeup_notifiers, &reason);
1900
    wakeup_requested = 1;
1901
    qemu_notify_event();
1902
}
1903

    
1904
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1905
{
1906
    if (enabled) {
1907
        wakeup_reason_mask |= (1 << reason);
1908
    } else {
1909
        wakeup_reason_mask &= ~(1 << reason);
1910
    }
1911
}
1912

    
1913
void qemu_register_wakeup_notifier(Notifier *notifier)
1914
{
1915
    notifier_list_add(&wakeup_notifiers, notifier);
1916
}
1917

    
1918
void qemu_system_killed(int signal, pid_t pid)
1919
{
1920
    shutdown_signal = signal;
1921
    shutdown_pid = pid;
1922
    no_shutdown = 0;
1923
    qemu_system_shutdown_request();
1924
}
1925

    
1926
void qemu_system_shutdown_request(void)
1927
{
1928
    shutdown_requested = 1;
1929
    qemu_notify_event();
1930
}
1931

    
1932
static void qemu_system_powerdown(void)
1933
{
1934
    monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1935
    notifier_list_notify(&powerdown_notifiers, NULL);
1936
}
1937

    
1938
void qemu_system_powerdown_request(void)
1939
{
1940
    powerdown_requested = 1;
1941
    qemu_notify_event();
1942
}
1943

    
1944
void qemu_register_powerdown_notifier(Notifier *notifier)
1945
{
1946
    notifier_list_add(&powerdown_notifiers, notifier);
1947
}
1948

    
1949
void qemu_system_debug_request(void)
1950
{
1951
    debug_requested = 1;
1952
    qemu_notify_event();
1953
}
1954

    
1955
void qemu_system_vmstop_request(RunState state)
1956
{
1957
    vmstop_requested = state;
1958
    qemu_notify_event();
1959
}
1960

    
1961
static bool main_loop_should_exit(void)
1962
{
1963
    RunState r;
1964
    if (qemu_debug_requested()) {
1965
        vm_stop(RUN_STATE_DEBUG);
1966
    }
1967
    if (qemu_suspend_requested()) {
1968
        qemu_system_suspend();
1969
    }
1970
    if (qemu_shutdown_requested()) {
1971
        qemu_kill_report();
1972
        monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1973
        if (no_shutdown) {
1974
            vm_stop(RUN_STATE_SHUTDOWN);
1975
        } else {
1976
            return true;
1977
        }
1978
    }
1979
    if (qemu_reset_requested()) {
1980
        pause_all_vcpus();
1981
        cpu_synchronize_all_states();
1982
        qemu_system_reset(VMRESET_REPORT);
1983
        resume_all_vcpus();
1984
        if (runstate_needs_reset()) {
1985
            runstate_set(RUN_STATE_PAUSED);
1986
        }
1987
    }
1988
    if (qemu_wakeup_requested()) {
1989
        pause_all_vcpus();
1990
        cpu_synchronize_all_states();
1991
        qemu_system_reset(VMRESET_SILENT);
1992
        resume_all_vcpus();
1993
        monitor_protocol_event(QEVENT_WAKEUP, NULL);
1994
    }
1995
    if (qemu_powerdown_requested()) {
1996
        qemu_system_powerdown();
1997
    }
1998
    if (qemu_vmstop_requested(&r)) {
1999
        vm_stop(r);
2000
    }
2001
    return false;
2002
}
2003

    
2004
static void main_loop(void)
2005
{
2006
    bool nonblocking;
2007
    int last_io = 0;
2008
#ifdef CONFIG_PROFILER
2009
    int64_t ti;
2010
#endif
2011
    do {
2012
        nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2013
#ifdef CONFIG_PROFILER
2014
        ti = profile_getclock();
2015
#endif
2016
        last_io = main_loop_wait(nonblocking);
2017
#ifdef CONFIG_PROFILER
2018
        dev_time += profile_getclock() - ti;
2019
#endif
2020
    } while (!main_loop_should_exit());
2021
}
2022

    
2023
static void version(void)
2024
{
2025
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2026
}
2027

    
2028
static void help(int exitcode)
2029
{
2030
    version();
2031
    printf("usage: %s [options] [disk_image]\n\n"
2032
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2033
            error_get_progname());
2034

    
2035
#define QEMU_OPTIONS_GENERATE_HELP
2036
#include "qemu-options-wrapper.h"
2037

    
2038
    printf("\nDuring emulation, the following keys are useful:\n"
2039
           "ctrl-alt-f      toggle full screen\n"
2040
           "ctrl-alt-n      switch to virtual console 'n'\n"
2041
           "ctrl-alt        toggle mouse and keyboard grab\n"
2042
           "\n"
2043
           "When using -nographic, press 'ctrl-a h' to get some help.\n");
2044

    
2045
    exit(exitcode);
2046
}
2047

    
2048
#define HAS_ARG 0x0001
2049

    
2050
typedef struct QEMUOption {
2051
    const char *name;
2052
    int flags;
2053
    int index;
2054
    uint32_t arch_mask;
2055
} QEMUOption;
2056

    
2057
static const QEMUOption qemu_options[] = {
2058
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2059
#define QEMU_OPTIONS_GENERATE_OPTIONS
2060
#include "qemu-options-wrapper.h"
2061
    { NULL },
2062
};
2063

    
2064
static bool vga_available(void)
2065
{
2066
    return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2067
}
2068

    
2069
static bool cirrus_vga_available(void)
2070
{
2071
    return object_class_by_name("cirrus-vga")
2072
           || object_class_by_name("isa-cirrus-vga");
2073
}
2074

    
2075
static bool vmware_vga_available(void)
2076
{
2077
    return object_class_by_name("vmware-svga");
2078
}
2079

    
2080
static bool qxl_vga_available(void)
2081
{
2082
    return object_class_by_name("qxl-vga");
2083
}
2084

    
2085
static void select_vgahw (const char *p)
2086
{
2087
    const char *opts;
2088

    
2089
    vga_interface_type = VGA_NONE;
2090
    if (strstart(p, "std", &opts)) {
2091
        if (vga_available()) {
2092
            vga_interface_type = VGA_STD;
2093
        } else {
2094
            fprintf(stderr, "Error: standard VGA not available\n");
2095
            exit(0);
2096
        }
2097
    } else if (strstart(p, "cirrus", &opts)) {
2098
        if (cirrus_vga_available()) {
2099
            vga_interface_type = VGA_CIRRUS;
2100
        } else {
2101
            fprintf(stderr, "Error: Cirrus VGA not available\n");
2102
            exit(0);
2103
        }
2104
    } else if (strstart(p, "vmware", &opts)) {
2105
        if (vmware_vga_available()) {
2106
            vga_interface_type = VGA_VMWARE;
2107
        } else {
2108
            fprintf(stderr, "Error: VMWare SVGA not available\n");
2109
            exit(0);
2110
        }
2111
    } else if (strstart(p, "xenfb", &opts)) {
2112
        vga_interface_type = VGA_XENFB;
2113
    } else if (strstart(p, "qxl", &opts)) {
2114
        if (qxl_vga_available()) {
2115
            vga_interface_type = VGA_QXL;
2116
        } else {
2117
            fprintf(stderr, "Error: QXL VGA not available\n");
2118
            exit(0);
2119
        }
2120
    } else if (!strstart(p, "none", &opts)) {
2121
    invalid_vga:
2122
        fprintf(stderr, "Unknown vga type: %s\n", p);
2123
        exit(1);
2124
    }
2125
    while (*opts) {
2126
        const char *nextopt;
2127

    
2128
        if (strstart(opts, ",retrace=", &nextopt)) {
2129
            opts = nextopt;
2130
            if (strstart(opts, "dumb", &nextopt))
2131
                vga_retrace_method = VGA_RETRACE_DUMB;
2132
            else if (strstart(opts, "precise", &nextopt))
2133
                vga_retrace_method = VGA_RETRACE_PRECISE;
2134
            else goto invalid_vga;
2135
        } else goto invalid_vga;
2136
        opts = nextopt;
2137
    }
2138
}
2139

    
2140
static DisplayType select_display(const char *p)
2141
{
2142
    const char *opts;
2143
    DisplayType display = DT_DEFAULT;
2144

    
2145
    if (strstart(p, "sdl", &opts)) {
2146
#ifdef CONFIG_SDL
2147
        display = DT_SDL;
2148
        while (*opts) {
2149
            const char *nextopt;
2150

    
2151
            if (strstart(opts, ",frame=", &nextopt)) {
2152
                opts = nextopt;
2153
                if (strstart(opts, "on", &nextopt)) {
2154
                    no_frame = 0;
2155
                } else if (strstart(opts, "off", &nextopt)) {
2156
                    no_frame = 1;
2157
                } else {
2158
                    goto invalid_sdl_args;
2159
                }
2160
            } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2161
                opts = nextopt;
2162
                if (strstart(opts, "on", &nextopt)) {
2163
                    alt_grab = 1;
2164
                } else if (strstart(opts, "off", &nextopt)) {
2165
                    alt_grab = 0;
2166
                } else {
2167
                    goto invalid_sdl_args;
2168
                }
2169
            } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2170
                opts = nextopt;
2171
                if (strstart(opts, "on", &nextopt)) {
2172
                    ctrl_grab = 1;
2173
                } else if (strstart(opts, "off", &nextopt)) {
2174
                    ctrl_grab = 0;
2175
                } else {
2176
                    goto invalid_sdl_args;
2177
                }
2178
            } else if (strstart(opts, ",window_close=", &nextopt)) {
2179
                opts = nextopt;
2180
                if (strstart(opts, "on", &nextopt)) {
2181
                    no_quit = 0;
2182
                } else if (strstart(opts, "off", &nextopt)) {
2183
                    no_quit = 1;
2184
                } else {
2185
                    goto invalid_sdl_args;
2186
                }
2187
            } else {
2188
            invalid_sdl_args:
2189
                fprintf(stderr, "Invalid SDL option string: %s\n", p);
2190
                exit(1);
2191
            }
2192
            opts = nextopt;
2193
        }
2194
#else
2195
        fprintf(stderr, "SDL support is disabled\n");
2196
        exit(1);
2197
#endif
2198
    } else if (strstart(p, "vnc", &opts)) {
2199
#ifdef CONFIG_VNC
2200
        display_remote++;
2201

    
2202
        if (*opts) {
2203
            const char *nextopt;
2204

    
2205
            if (strstart(opts, "=", &nextopt)) {
2206
                vnc_display = nextopt;
2207
            }
2208
        }
2209
        if (!vnc_display) {
2210
            fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2211
            exit(1);
2212
        }
2213
#else
2214
        fprintf(stderr, "VNC support is disabled\n");
2215
        exit(1);
2216
#endif
2217
    } else if (strstart(p, "curses", &opts)) {
2218
#ifdef CONFIG_CURSES
2219
        display = DT_CURSES;
2220
#else
2221
        fprintf(stderr, "Curses support is disabled\n");
2222
        exit(1);
2223
#endif
2224
    } else if (strstart(p, "gtk", &opts)) {
2225
#ifdef CONFIG_GTK
2226
        display = DT_GTK;
2227
#else
2228
        fprintf(stderr, "GTK support is disabled\n");
2229
        exit(1);
2230
#endif
2231
    } else if (strstart(p, "none", &opts)) {
2232
        display = DT_NONE;
2233
    } else {
2234
        fprintf(stderr, "Unknown display type: %s\n", p);
2235
        exit(1);
2236
    }
2237

    
2238
    return display;
2239
}
2240

    
2241
static int balloon_parse(const char *arg)
2242
{
2243
    QemuOpts *opts;
2244

    
2245
    if (strcmp(arg, "none") == 0) {
2246
        return 0;
2247
    }
2248

    
2249
    if (!strncmp(arg, "virtio", 6)) {
2250
        if (arg[6] == ',') {
2251
            /* have params -> parse them */
2252
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2253
            if (!opts)
2254
                return  -1;
2255
        } else {
2256
            /* create empty opts */
2257
            opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2258
        }
2259
        qemu_opt_set(opts, "driver", "virtio-balloon");
2260
        return 0;
2261
    }
2262

    
2263
    return -1;
2264
}
2265

    
2266
char *qemu_find_file(int type, const char *name)
2267
{
2268
    int i;
2269
    const char *subdir;
2270
    char *buf;
2271

    
2272
    /* Try the name as a straight path first */
2273
    if (access(name, R_OK) == 0) {
2274
        trace_load_file(name, name);
2275
        return g_strdup(name);
2276
    }
2277

    
2278
    switch (type) {
2279
    case QEMU_FILE_TYPE_BIOS:
2280
        subdir = "";
2281
        break;
2282
    case QEMU_FILE_TYPE_KEYMAP:
2283
        subdir = "keymaps/";
2284
        break;
2285
    default:
2286
        abort();
2287
    }
2288

    
2289
    for (i = 0; i < data_dir_idx; i++) {
2290
        buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2291
        if (access(buf, R_OK) == 0) {
2292
            trace_load_file(name, buf);
2293
            return buf;
2294
        }
2295
        g_free(buf);
2296
    }
2297
    return NULL;
2298
}
2299

    
2300
static int device_help_func(QemuOpts *opts, void *opaque)
2301
{
2302
    return qdev_device_help(opts);
2303
}
2304

    
2305
static int device_init_func(QemuOpts *opts, void *opaque)
2306
{
2307
    DeviceState *dev;
2308

    
2309
    dev = qdev_device_add(opts);
2310
    if (!dev)
2311
        return -1;
2312
    object_unref(OBJECT(dev));
2313
    return 0;
2314
}
2315

    
2316
static int chardev_init_func(QemuOpts *opts, void *opaque)
2317
{
2318
    Error *local_err = NULL;
2319

    
2320
    qemu_chr_new_from_opts(opts, NULL, &local_err);
2321
    if (error_is_set(&local_err)) {
2322
        error_report("%s", error_get_pretty(local_err));
2323
        error_free(local_err);
2324
        return -1;
2325
    }
2326
    return 0;
2327
}
2328

    
2329
#ifdef CONFIG_VIRTFS
2330
static int fsdev_init_func(QemuOpts *opts, void *opaque)
2331
{
2332
    int ret;
2333
    ret = qemu_fsdev_add(opts);
2334

    
2335
    return ret;
2336
}
2337
#endif
2338

    
2339
static int mon_init_func(QemuOpts *opts, void *opaque)
2340
{
2341
    CharDriverState *chr;
2342
    const char *chardev;
2343
    const char *mode;
2344
    int flags;
2345

    
2346
    mode = qemu_opt_get(opts, "mode");
2347
    if (mode == NULL) {
2348
        mode = "readline";
2349
    }
2350
    if (strcmp(mode, "readline") == 0) {
2351
        flags = MONITOR_USE_READLINE;
2352
    } else if (strcmp(mode, "control") == 0) {
2353
        flags = MONITOR_USE_CONTROL;
2354
    } else {
2355
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2356
        exit(1);
2357
    }
2358

    
2359
    if (qemu_opt_get_bool(opts, "pretty", 0))
2360
        flags |= MONITOR_USE_PRETTY;
2361

    
2362
    if (qemu_opt_get_bool(opts, "default", 0))
2363
        flags |= MONITOR_IS_DEFAULT;
2364

    
2365
    chardev = qemu_opt_get(opts, "chardev");
2366
    chr = qemu_chr_find(chardev);
2367
    if (chr == NULL) {
2368
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2369
        exit(1);
2370
    }
2371

    
2372
    qemu_chr_fe_claim_no_fail(chr);
2373
    monitor_init(chr, flags);
2374
    return 0;
2375
}
2376

    
2377
static void monitor_parse(const char *optarg, const char *mode)
2378
{
2379
    static int monitor_device_index = 0;
2380
    QemuOpts *opts;
2381
    const char *p;
2382
    char label[32];
2383
    int def = 0;
2384

    
2385
    if (strstart(optarg, "chardev:", &p)) {
2386
        snprintf(label, sizeof(label), "%s", p);
2387
    } else {
2388
        snprintf(label, sizeof(label), "compat_monitor%d",
2389
                 monitor_device_index);
2390
        if (monitor_device_index == 0) {
2391
            def = 1;
2392
        }
2393
        opts = qemu_chr_parse_compat(label, optarg);
2394
        if (!opts) {
2395
            fprintf(stderr, "parse error: %s\n", optarg);
2396
            exit(1);
2397
        }
2398
    }
2399

    
2400
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2401
    if (!opts) {
2402
        fprintf(stderr, "duplicate chardev: %s\n", label);
2403
        exit(1);
2404
    }
2405
    qemu_opt_set(opts, "mode", mode);
2406
    qemu_opt_set(opts, "chardev", label);
2407
    if (def)
2408
        qemu_opt_set(opts, "default", "on");
2409
    monitor_device_index++;
2410
}
2411

    
2412
struct device_config {
2413
    enum {
2414
        DEV_USB,       /* -usbdevice     */
2415
        DEV_BT,        /* -bt            */
2416
        DEV_SERIAL,    /* -serial        */
2417
        DEV_PARALLEL,  /* -parallel      */
2418
        DEV_VIRTCON,   /* -virtioconsole */
2419
        DEV_DEBUGCON,  /* -debugcon */
2420
        DEV_GDB,       /* -gdb, -s */
2421
        DEV_SCLP,      /* s390 sclp */
2422
    } type;
2423
    const char *cmdline;
2424
    Location loc;
2425
    QTAILQ_ENTRY(device_config) next;
2426
};
2427

    
2428
static QTAILQ_HEAD(, device_config) device_configs =
2429
    QTAILQ_HEAD_INITIALIZER(device_configs);
2430

    
2431
static void add_device_config(int type, const char *cmdline)
2432
{
2433
    struct device_config *conf;
2434

    
2435
    conf = g_malloc0(sizeof(*conf));
2436
    conf->type = type;
2437
    conf->cmdline = cmdline;
2438
    loc_save(&conf->loc);
2439
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2440
}
2441

    
2442
static int foreach_device_config(int type, int (*func)(const char *cmdline))
2443
{
2444
    struct device_config *conf;
2445
    int rc;
2446

    
2447
    QTAILQ_FOREACH(conf, &device_configs, next) {
2448
        if (conf->type != type)
2449
            continue;
2450
        loc_push_restore(&conf->loc);
2451
        rc = func(conf->cmdline);
2452
        loc_pop(&conf->loc);
2453
        if (0 != rc)
2454
            return rc;
2455
    }
2456
    return 0;
2457
}
2458

    
2459
static int serial_parse(const char *devname)
2460
{
2461
    static int index = 0;
2462
    char label[32];
2463

    
2464
    if (strcmp(devname, "none") == 0)
2465
        return 0;
2466
    if (index == MAX_SERIAL_PORTS) {
2467
        fprintf(stderr, "qemu: too many serial ports\n");
2468
        exit(1);
2469
    }
2470
    snprintf(label, sizeof(label), "serial%d", index);
2471
    serial_hds[index] = qemu_chr_new(label, devname, NULL);
2472
    if (!serial_hds[index]) {
2473
        fprintf(stderr, "qemu: could not connect serial device"
2474
                " to character backend '%s'\n", devname);
2475
        return -1;
2476
    }
2477
    index++;
2478
    return 0;
2479
}
2480

    
2481
static int parallel_parse(const char *devname)
2482
{
2483
    static int index = 0;
2484
    char label[32];
2485

    
2486
    if (strcmp(devname, "none") == 0)
2487
        return 0;
2488
    if (index == MAX_PARALLEL_PORTS) {
2489
        fprintf(stderr, "qemu: too many parallel ports\n");
2490
        exit(1);
2491
    }
2492
    snprintf(label, sizeof(label), "parallel%d", index);
2493
    parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2494
    if (!parallel_hds[index]) {
2495
        fprintf(stderr, "qemu: could not connect parallel device"
2496
                " to character backend '%s'\n", devname);
2497
        return -1;
2498
    }
2499
    index++;
2500
    return 0;
2501
}
2502

    
2503
static int virtcon_parse(const char *devname)
2504
{
2505
    QemuOptsList *device = qemu_find_opts("device");
2506
    static int index = 0;
2507
    char label[32];
2508
    QemuOpts *bus_opts, *dev_opts;
2509

    
2510
    if (strcmp(devname, "none") == 0)
2511
        return 0;
2512
    if (index == MAX_VIRTIO_CONSOLES) {
2513
        fprintf(stderr, "qemu: too many virtio consoles\n");
2514
        exit(1);
2515
    }
2516

    
2517
    bus_opts = qemu_opts_create_nofail(device);
2518
    if (arch_type == QEMU_ARCH_S390X) {
2519
        qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2520
    } else {
2521
        qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2522
    }
2523

    
2524
    dev_opts = qemu_opts_create_nofail(device);
2525
    qemu_opt_set(dev_opts, "driver", "virtconsole");
2526

    
2527
    snprintf(label, sizeof(label), "virtcon%d", index);
2528
    virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2529
    if (!virtcon_hds[index]) {
2530
        fprintf(stderr, "qemu: could not connect virtio console"
2531
                " to character backend '%s'\n", devname);
2532
        return -1;
2533
    }
2534
    qemu_opt_set(dev_opts, "chardev", label);
2535

    
2536
    index++;
2537
    return 0;
2538
}
2539

    
2540
static int sclp_parse(const char *devname)
2541
{
2542
    QemuOptsList *device = qemu_find_opts("device");
2543
    static int index = 0;
2544
    char label[32];
2545
    QemuOpts *dev_opts;
2546

    
2547
    if (strcmp(devname, "none") == 0) {
2548
        return 0;
2549
    }
2550
    if (index == MAX_SCLP_CONSOLES) {
2551
        fprintf(stderr, "qemu: too many sclp consoles\n");
2552
        exit(1);
2553
    }
2554

    
2555
    assert(arch_type == QEMU_ARCH_S390X);
2556

    
2557
    dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2558
    qemu_opt_set(dev_opts, "driver", "sclpconsole");
2559

    
2560
    snprintf(label, sizeof(label), "sclpcon%d", index);
2561
    sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2562
    if (!sclp_hds[index]) {
2563
        fprintf(stderr, "qemu: could not connect sclp console"
2564
                " to character backend '%s'\n", devname);
2565
        return -1;
2566
    }
2567
    qemu_opt_set(dev_opts, "chardev", label);
2568

    
2569
    index++;
2570
    return 0;
2571
}
2572

    
2573
static int debugcon_parse(const char *devname)
2574
{
2575
    QemuOpts *opts;
2576

    
2577
    if (!qemu_chr_new("debugcon", devname, NULL)) {
2578
        exit(1);
2579
    }
2580
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2581
    if (!opts) {
2582
        fprintf(stderr, "qemu: already have a debugcon device\n");
2583
        exit(1);
2584
    }
2585
    qemu_opt_set(opts, "driver", "isa-debugcon");
2586
    qemu_opt_set(opts, "chardev", "debugcon");
2587
    return 0;
2588
}
2589

    
2590
static QEMUMachine *machine_parse(const char *name)
2591
{
2592
    QEMUMachine *m, *machine = NULL;
2593

    
2594
    if (name) {
2595
        machine = find_machine(name);
2596
    }
2597
    if (machine) {
2598
        return machine;
2599
    }
2600
    printf("Supported machines are:\n");
2601
    for (m = first_machine; m != NULL; m = m->next) {
2602
        if (m->alias) {
2603
            printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2604
        }
2605
        printf("%-20s %s%s\n", m->name, m->desc,
2606
               m->is_default ? " (default)" : "");
2607
    }
2608
    exit(!name || !is_help_option(name));
2609
}
2610

    
2611
static int tcg_init(void)
2612
{
2613
    tcg_exec_init(tcg_tb_size * 1024 * 1024);
2614
    return 0;
2615
}
2616

    
2617
static struct {
2618
    const char *opt_name;
2619
    const char *name;
2620
    int (*available)(void);
2621
    int (*init)(void);
2622
    bool *allowed;
2623
} accel_list[] = {
2624
    { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2625
    { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2626
    { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2627
    { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2628
};
2629

    
2630
static int configure_accelerator(void)
2631
{
2632
    const char *p;
2633
    char buf[10];
2634
    int i, ret;
2635
    bool accel_initialised = false;
2636
    bool init_failed = false;
2637

    
2638
    p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2639
    if (p == NULL) {
2640
        /* Use the default "accelerator", tcg */
2641
        p = "tcg";
2642
    }
2643

    
2644
    while (!accel_initialised && *p != '\0') {
2645
        if (*p == ':') {
2646
            p++;
2647
        }
2648
        p = get_opt_name(buf, sizeof (buf), p, ':');
2649
        for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2650
            if (strcmp(accel_list[i].opt_name, buf) == 0) {
2651
                if (!accel_list[i].available()) {
2652
                    printf("%s not supported for this target\n",
2653
                           accel_list[i].name);
2654
                    continue;
2655
                }
2656
                *(accel_list[i].allowed) = true;
2657
                ret = accel_list[i].init();
2658
                if (ret < 0) {
2659
                    init_failed = true;
2660
                    fprintf(stderr, "failed to initialize %s: %s\n",
2661
                            accel_list[i].name,
2662
                            strerror(-ret));
2663
                    *(accel_list[i].allowed) = false;
2664
                } else {
2665
                    accel_initialised = true;
2666
                }
2667
                break;
2668
            }
2669
        }
2670
        if (i == ARRAY_SIZE(accel_list)) {
2671
            fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2672
        }
2673
    }
2674

    
2675
    if (!accel_initialised) {
2676
        if (!init_failed) {
2677
            fprintf(stderr, "No accelerator found!\n");
2678
        }
2679
        exit(1);
2680
    }
2681

    
2682
    if (init_failed) {
2683
        fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2684
    }
2685

    
2686
    return !accel_initialised;
2687
}
2688

    
2689
void qemu_add_exit_notifier(Notifier *notify)
2690
{
2691
    notifier_list_add(&exit_notifiers, notify);
2692
}
2693

    
2694
void qemu_remove_exit_notifier(Notifier *notify)
2695
{
2696
    notifier_remove(notify);
2697
}
2698

    
2699
static void qemu_run_exit_notifiers(void)
2700
{
2701
    notifier_list_notify(&exit_notifiers, NULL);
2702
}
2703

    
2704
void qemu_add_machine_init_done_notifier(Notifier *notify)
2705
{
2706
    notifier_list_add(&machine_init_done_notifiers, notify);
2707
}
2708

    
2709
static void qemu_run_machine_init_done_notifiers(void)
2710
{
2711
    notifier_list_notify(&machine_init_done_notifiers, NULL);
2712
}
2713

    
2714
static const QEMUOption *lookup_opt(int argc, char **argv,
2715
                                    const char **poptarg, int *poptind)
2716
{
2717
    const QEMUOption *popt;
2718
    int optind = *poptind;
2719
    char *r = argv[optind];
2720
    const char *optarg;
2721

    
2722
    loc_set_cmdline(argv, optind, 1);
2723
    optind++;
2724
    /* Treat --foo the same as -foo.  */
2725
    if (r[1] == '-')
2726
        r++;
2727
    popt = qemu_options;
2728
    for(;;) {
2729
        if (!popt->name) {
2730
            error_report("invalid option");
2731
            exit(1);
2732
        }
2733
        if (!strcmp(popt->name, r + 1))
2734
            break;
2735
        popt++;
2736
    }
2737
    if (popt->flags & HAS_ARG) {
2738
        if (optind >= argc) {
2739
            error_report("requires an argument");
2740
            exit(1);
2741
        }
2742
        optarg = argv[optind++];
2743
        loc_set_cmdline(argv, optind - 2, 2);
2744
    } else {
2745
        optarg = NULL;
2746
    }
2747

    
2748
    *poptarg = optarg;
2749
    *poptind = optind;
2750

    
2751
    return popt;
2752
}
2753

    
2754
static gpointer malloc_and_trace(gsize n_bytes)
2755
{
2756
    void *ptr = malloc(n_bytes);
2757
    trace_g_malloc(n_bytes, ptr);
2758
    return ptr;
2759
}
2760

    
2761
static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2762
{
2763
    void *ptr = realloc(mem, n_bytes);
2764
    trace_g_realloc(mem, n_bytes, ptr);
2765
    return ptr;
2766
}
2767

    
2768
static void free_and_trace(gpointer mem)
2769
{
2770
    trace_g_free(mem);
2771
    free(mem);
2772
}
2773

    
2774
static int object_set_property(const char *name, const char *value, void *opaque)
2775
{
2776
    Object *obj = OBJECT(opaque);
2777
    StringInputVisitor *siv;
2778
    Error *local_err = NULL;
2779

    
2780
    if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2781
        return 0;
2782
    }
2783

    
2784
    siv = string_input_visitor_new(value);
2785
    object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2786
    string_input_visitor_cleanup(siv);
2787

    
2788
    if (local_err) {
2789
        qerror_report_err(local_err);
2790
        error_free(local_err);
2791
        return -1;
2792
    }
2793

    
2794
    return 0;
2795
}
2796

    
2797
static int object_create(QemuOpts *opts, void *opaque)
2798
{
2799
    const char *type = qemu_opt_get(opts, "qom-type");
2800
    const char *id = qemu_opts_id(opts);
2801
    Object *obj;
2802

    
2803
    g_assert(type != NULL);
2804

    
2805
    if (id == NULL) {
2806
        qerror_report(QERR_MISSING_PARAMETER, "id");
2807
        return -1;
2808
    }
2809

    
2810
    obj = object_new(type);
2811
    if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2812
        return -1;
2813
    }
2814

    
2815
    object_property_add_child(container_get(object_get_root(), "/objects"),
2816
                              id, obj, NULL);
2817

    
2818
    return 0;
2819
}
2820

    
2821
int main(int argc, char **argv, char **envp)
2822
{
2823
    int i;
2824
    int snapshot, linux_boot;
2825
    const char *icount_option = NULL;
2826
    const char *initrd_filename;
2827
    const char *kernel_filename, *kernel_cmdline;
2828
    const char *boot_order = NULL;
2829
    DisplayState *ds;
2830
    int cyls, heads, secs, translation;
2831
    QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2832
    QemuOptsList *olist;
2833
    int optind;
2834
    const char *optarg;
2835
    const char *loadvm = NULL;
2836
    QEMUMachine *machine;
2837
    const char *cpu_model;
2838
    const char *vga_model = "none";
2839
    const char *pid_file = NULL;
2840
    const char *incoming = NULL;
2841
#ifdef CONFIG_VNC
2842
    int show_vnc_port = 0;
2843
#endif
2844
    bool defconfig = true;
2845
    bool userconfig = true;
2846
    const char *log_mask = NULL;
2847
    const char *log_file = NULL;
2848
    GMemVTable mem_trace = {
2849
        .malloc = malloc_and_trace,
2850
        .realloc = realloc_and_trace,
2851
        .free = free_and_trace,
2852
    };
2853
    const char *trace_events = NULL;
2854
    const char *trace_file = NULL;
2855

    
2856
    atexit(qemu_run_exit_notifiers);
2857
    error_set_progname(argv[0]);
2858

    
2859
    g_mem_set_vtable(&mem_trace);
2860
    if (!g_thread_supported()) {
2861
#if !GLIB_CHECK_VERSION(2, 31, 0)
2862
        g_thread_init(NULL);
2863
#else
2864
        fprintf(stderr, "glib threading failed to initialize.\n");
2865
        exit(1);
2866
#endif
2867
    }
2868

    
2869
    module_call_init(MODULE_INIT_QOM);
2870

    
2871
    qemu_add_opts(&qemu_drive_opts);
2872
    qemu_add_opts(&qemu_chardev_opts);
2873
    qemu_add_opts(&qemu_device_opts);
2874
    qemu_add_opts(&qemu_netdev_opts);
2875
    qemu_add_opts(&qemu_net_opts);
2876
    qemu_add_opts(&qemu_rtc_opts);
2877
    qemu_add_opts(&qemu_global_opts);
2878
    qemu_add_opts(&qemu_mon_opts);
2879
    qemu_add_opts(&qemu_trace_opts);
2880
    qemu_add_opts(&qemu_option_rom_opts);
2881
    qemu_add_opts(&qemu_machine_opts);
2882
    qemu_add_opts(&qemu_smp_opts);
2883
    qemu_add_opts(&qemu_boot_opts);
2884
    qemu_add_opts(&qemu_sandbox_opts);
2885
    qemu_add_opts(&qemu_add_fd_opts);
2886
    qemu_add_opts(&qemu_object_opts);
2887
    qemu_add_opts(&qemu_tpmdev_opts);
2888
    qemu_add_opts(&qemu_realtime_opts);
2889
    qemu_add_opts(&qemu_msg_opts);
2890

    
2891
    runstate_init();
2892

    
2893
    init_clocks();
2894
    rtc_clock = QEMU_CLOCK_HOST;
2895

    
2896
    qemu_cache_utils_init(envp);
2897

    
2898
    QLIST_INIT (&vm_change_state_head);
2899
    os_setup_early_signal_handling();
2900

    
2901
    module_call_init(MODULE_INIT_MACHINE);
2902
    machine = find_default_machine();
2903
    cpu_model = NULL;
2904
    ram_size = 0;
2905
    snapshot = 0;
2906
    cyls = heads = secs = 0;
2907
    translation = BIOS_ATA_TRANSLATION_AUTO;
2908

    
2909
    for (i = 0; i < MAX_NODES; i++) {
2910
        node_mem[i] = 0;
2911
        node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2912
    }
2913

    
2914
    nb_numa_nodes = 0;
2915
    nb_nics = 0;
2916

    
2917
    bdrv_init_with_whitelist();
2918

    
2919
    autostart= 1;
2920

    
2921
    /* first pass of option parsing */
2922
    optind = 1;
2923
    while (optind < argc) {
2924
        if (argv[optind][0] != '-') {
2925
            /* disk image */
2926
            optind++;
2927
            continue;
2928
        } else {
2929
            const QEMUOption *popt;
2930

    
2931
            popt = lookup_opt(argc, argv, &optarg, &optind);
2932
            switch (popt->index) {
2933
            case QEMU_OPTION_nodefconfig:
2934
                defconfig = false;
2935
                break;
2936
            case QEMU_OPTION_nouserconfig:
2937
                userconfig = false;
2938
                break;
2939
            }
2940
        }
2941
    }
2942

    
2943
    if (defconfig) {
2944
        int ret;
2945
        ret = qemu_read_default_config_files(userconfig);
2946
        if (ret < 0) {
2947
            exit(1);
2948
        }
2949
    }
2950

    
2951
    /* second pass of option parsing */
2952
    optind = 1;
2953
    for(;;) {
2954
        if (optind >= argc)
2955
            break;
2956
        if (argv[optind][0] != '-') {
2957
            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2958
        } else {
2959
            const QEMUOption *popt;
2960

    
2961
            popt = lookup_opt(argc, argv, &optarg, &optind);
2962
            if (!(popt->arch_mask & arch_type)) {
2963
                printf("Option %s not supported for this target\n", popt->name);
2964
                exit(1);
2965
            }
2966
            switch(popt->index) {
2967
            case QEMU_OPTION_M:
2968
                machine = machine_parse(optarg);
2969
                break;
2970
            case QEMU_OPTION_no_kvm_irqchip: {
2971
                olist = qemu_find_opts("machine");
2972
                qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2973
                break;
2974
            }
2975
            case QEMU_OPTION_cpu:
2976
                /* hw initialization will check this */
2977
                cpu_model = optarg;
2978
                break;
2979
            case QEMU_OPTION_hda:
2980
                {
2981
                    char buf[256];
2982
                    if (cyls == 0)
2983
                        snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2984
                    else
2985
                        snprintf(buf, sizeof(buf),
2986
                                 "%s,cyls=%d,heads=%d,secs=%d%s",
2987
                                 HD_OPTS , cyls, heads, secs,
2988
                                 translation == BIOS_ATA_TRANSLATION_LBA ?
2989
                                 ",trans=lba" :
2990
                                 translation == BIOS_ATA_TRANSLATION_NONE ?
2991
                                 ",trans=none" : "");
2992
                    drive_add(IF_DEFAULT, 0, optarg, buf);
2993
                    break;
2994
                }
2995
            case QEMU_OPTION_hdb:
2996
            case QEMU_OPTION_hdc:
2997
            case QEMU_OPTION_hdd:
2998
                drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2999
                          HD_OPTS);
3000
                break;
3001
            case QEMU_OPTION_drive:
3002
                if (drive_def(optarg) == NULL) {
3003
                    exit(1);
3004
                }
3005
                break;
3006
            case QEMU_OPTION_set:
3007
                if (qemu_set_option(optarg) != 0)
3008
                    exit(1);
3009
                break;
3010
            case QEMU_OPTION_global:
3011
                if (qemu_global_option(optarg) != 0)
3012
                    exit(1);
3013
                break;
3014
            case QEMU_OPTION_mtdblock:
3015
                drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3016
                break;
3017
            case QEMU_OPTION_sd:
3018
                drive_add(IF_SD, -1, optarg, SD_OPTS);
3019
                break;
3020
            case QEMU_OPTION_pflash:
3021
                drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3022
                break;
3023
            case QEMU_OPTION_snapshot:
3024
                snapshot = 1;
3025
                break;
3026
            case QEMU_OPTION_hdachs:
3027
                {
3028
                    const char *p;
3029
                    p = optarg;
3030
                    cyls = strtol(p, (char **)&p, 0);
3031
                    if (cyls < 1 || cyls > 16383)
3032
                        goto chs_fail;
3033
                    if (*p != ',')
3034
                        goto chs_fail;
3035
                    p++;
3036
                    heads = strtol(p, (char **)&p, 0);
3037
                    if (heads < 1 || heads > 16)
3038
                        goto chs_fail;
3039
                    if (*p != ',')
3040
                        goto chs_fail;
3041
                    p++;
3042
                    secs = strtol(p, (char **)&p, 0);
3043
                    if (secs < 1 || secs > 63)
3044
                        goto chs_fail;
3045
                    if (*p == ',') {
3046
                        p++;
3047
                        if (!strcmp(p, "none"))
3048
                            translation = BIOS_ATA_TRANSLATION_NONE;
3049
                        else if (!strcmp(p, "lba"))
3050
                            translation = BIOS_ATA_TRANSLATION_LBA;
3051
                        else if (!strcmp(p, "auto"))
3052
                            translation = BIOS_ATA_TRANSLATION_AUTO;
3053
                        else
3054
                            goto chs_fail;
3055
                    } else if (*p != '\0') {
3056
                    chs_fail:
3057
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
3058
                        exit(1);
3059
                    }
3060
                    if (hda_opts != NULL) {
3061
                        char num[16];
3062
                        snprintf(num, sizeof(num), "%d", cyls);
3063
                        qemu_opt_set(hda_opts, "cyls", num);
3064
                        snprintf(num, sizeof(num), "%d", heads);
3065
                        qemu_opt_set(hda_opts, "heads", num);
3066
                        snprintf(num, sizeof(num), "%d", secs);
3067
                        qemu_opt_set(hda_opts, "secs", num);
3068
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
3069
                            qemu_opt_set(hda_opts, "trans", "lba");
3070
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
3071
                            qemu_opt_set(hda_opts, "trans", "none");
3072
                    }
3073
                }
3074
                break;
3075
            case QEMU_OPTION_numa:
3076
                numa_add(optarg);
3077
                break;
3078
            case QEMU_OPTION_display:
3079
                display_type = select_display(optarg);
3080
                break;
3081
            case QEMU_OPTION_nographic:
3082
                display_type = DT_NOGRAPHIC;
3083
                break;
3084
            case QEMU_OPTION_curses:
3085
#ifdef CONFIG_CURSES
3086
                display_type = DT_CURSES;
3087
#else
3088
                fprintf(stderr, "Curses support is disabled\n");
3089
                exit(1);
3090
#endif
3091
                break;
3092
            case QEMU_OPTION_portrait:
3093
                graphic_rotate = 90;
3094
                break;
3095
            case QEMU_OPTION_rotate:
3096
                graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3097
                if (graphic_rotate != 0 && graphic_rotate != 90 &&
3098
                    graphic_rotate != 180 && graphic_rotate != 270) {
3099
                    fprintf(stderr,
3100
                        "qemu: only 90, 180, 270 deg rotation is available\n");
3101
                    exit(1);
3102
                }
3103
                break;
3104
            case QEMU_OPTION_kernel:
3105
                qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3106
                break;
3107
            case QEMU_OPTION_initrd:
3108
                qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3109
                break;
3110
            case QEMU_OPTION_append:
3111
                qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3112
                break;
3113
            case QEMU_OPTION_dtb:
3114
                qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3115
                break;
3116
            case QEMU_OPTION_cdrom:
3117
                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3118
                break;
3119
            case QEMU_OPTION_boot:
3120
                opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3121
                if (!opts) {
3122
                    exit(1);
3123
                }
3124
                break;
3125
            case QEMU_OPTION_fda:
3126
            case QEMU_OPTION_fdb:
3127
                drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3128
                          optarg, FD_OPTS);
3129
                break;
3130
            case QEMU_OPTION_no_fd_bootchk:
3131
                fd_bootchk = 0;
3132
                break;
3133
            case QEMU_OPTION_netdev:
3134
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3135
                    exit(1);
3136
                }
3137
                break;
3138
            case QEMU_OPTION_net:
3139
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3140
                    exit(1);
3141
                }
3142
                break;
3143
#ifdef CONFIG_LIBISCSI
3144
            case QEMU_OPTION_iscsi:
3145
                opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3146
                if (!opts) {
3147
                    exit(1);
3148
                }
3149
                break;
3150
#endif
3151
#ifdef CONFIG_SLIRP
3152
            case QEMU_OPTION_tftp:
3153
                legacy_tftp_prefix = optarg;
3154
                break;
3155
            case QEMU_OPTION_bootp:
3156
                legacy_bootp_filename = optarg;
3157
                break;
3158
            case QEMU_OPTION_redir:
3159
                if (net_slirp_redir(optarg) < 0)
3160
                    exit(1);
3161
                break;
3162
#endif
3163
            case QEMU_OPTION_bt:
3164
                add_device_config(DEV_BT, optarg);
3165
                break;
3166
            case QEMU_OPTION_audio_help:
3167
                AUD_help ();
3168
                exit (0);
3169
                break;
3170
            case QEMU_OPTION_soundhw:
3171
                select_soundhw (optarg);
3172
                break;
3173
            case QEMU_OPTION_h:
3174
                help(0);
3175
                break;
3176
            case QEMU_OPTION_version:
3177
                version();
3178
                exit(0);
3179
                break;
3180
            case QEMU_OPTION_m: {
3181
                int64_t value;
3182
                uint64_t sz;
3183
                char *end;
3184

    
3185
                value = strtosz(optarg, &end);
3186
                if (value < 0 || *end) {
3187
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3188
                    exit(1);
3189
                }
3190
                sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3191
                ram_size = sz;
3192
                if (ram_size != sz) {
3193
                    fprintf(stderr, "qemu: ram size too large\n");
3194
                    exit(1);
3195
                }
3196
                break;
3197
            }
3198
#ifdef CONFIG_TPM
3199
            case QEMU_OPTION_tpmdev:
3200
                if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3201
                    exit(1);
3202
                }
3203
                break;
3204
#endif
3205
            case QEMU_OPTION_mempath:
3206
                mem_path = optarg;
3207
                break;
3208
#ifdef MAP_POPULATE
3209
            case QEMU_OPTION_mem_prealloc:
3210
                mem_prealloc = 1;
3211
                break;
3212
#endif
3213
            case QEMU_OPTION_d:
3214
                log_mask = optarg;
3215
                break;
3216
            case QEMU_OPTION_D:
3217
                log_file = optarg;
3218
                break;
3219
            case QEMU_OPTION_s:
3220
                add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3221
                break;
3222
            case QEMU_OPTION_gdb:
3223
                add_device_config(DEV_GDB, optarg);
3224
                break;
3225
            case QEMU_OPTION_L:
3226
                if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3227
                    data_dir[data_dir_idx++] = optarg;
3228
                }
3229
                break;
3230
            case QEMU_OPTION_bios:
3231
                bios_name = optarg;
3232
                break;
3233
            case QEMU_OPTION_singlestep:
3234
                singlestep = 1;
3235
                break;
3236
            case QEMU_OPTION_S:
3237
                autostart = 0;
3238
                break;
3239
            case QEMU_OPTION_k:
3240
                keyboard_layout = optarg;
3241
                break;
3242
            case QEMU_OPTION_localtime:
3243
                rtc_utc = 0;
3244
                break;
3245
            case QEMU_OPTION_vga:
3246
                vga_model = optarg;
3247
                default_vga = 0;
3248
                break;
3249
            case QEMU_OPTION_g:
3250
                {
3251
                    const char *p;
3252
                    int w, h, depth;
3253
                    p = optarg;
3254
                    w = strtol(p, (char **)&p, 10);
3255
                    if (w <= 0) {
3256
                    graphic_error:
3257
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
3258
                        exit(1);
3259
                    }
3260
                    if (*p != 'x')
3261
                        goto graphic_error;
3262
                    p++;
3263
                    h = strtol(p, (char **)&p, 10);
3264
                    if (h <= 0)
3265
                        goto graphic_error;
3266
                    if (*p == 'x') {
3267
                        p++;
3268
                        depth = strtol(p, (char **)&p, 10);
3269
                        if (depth != 8 && depth != 15 && depth != 16 &&
3270
                            depth != 24 && depth != 32)
3271
                            goto graphic_error;
3272
                    } else if (*p == '\0') {
3273
                        depth = graphic_depth;
3274
                    } else {
3275
                        goto graphic_error;
3276
                    }
3277

    
3278
                    graphic_width = w;
3279
                    graphic_height = h;
3280
                    graphic_depth = depth;
3281
                }
3282
                break;
3283
            case QEMU_OPTION_echr:
3284
                {
3285
                    char *r;
3286
                    term_escape_char = strtol(optarg, &r, 0);
3287
                    if (r == optarg)
3288
                        printf("Bad argument to echr\n");
3289
                    break;
3290
                }
3291
            case QEMU_OPTION_monitor:
3292
                default_monitor = 0;
3293
                if (strncmp(optarg, "none", 4)) {
3294
                    monitor_parse(optarg, "readline");
3295
                }
3296
                break;
3297
            case QEMU_OPTION_qmp:
3298
                monitor_parse(optarg, "control");
3299
                default_monitor = 0;
3300
                break;
3301
            case QEMU_OPTION_mon:
3302
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3303
                if (!opts) {
3304
                    exit(1);
3305
                }
3306
                default_monitor = 0;
3307
                break;
3308
            case QEMU_OPTION_chardev:
3309
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3310
                if (!opts) {
3311
                    exit(1);
3312
                }
3313
                break;
3314
            case QEMU_OPTION_fsdev:
3315
                olist = qemu_find_opts("fsdev");
3316
                if (!olist) {
3317
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3318
                    exit(1);
3319
                }
3320
                opts = qemu_opts_parse(olist, optarg, 1);
3321
                if (!opts) {
3322
                    exit(1);
3323
                }
3324
                break;
3325
            case QEMU_OPTION_virtfs: {
3326
                QemuOpts *fsdev;
3327
                QemuOpts *device;
3328
                const char *writeout, *sock_fd, *socket;
3329

    
3330
                olist = qemu_find_opts("virtfs");
3331
                if (!olist) {
3332
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3333
                    exit(1);
3334
                }
3335
                opts = qemu_opts_parse(olist, optarg, 1);
3336
                if (!opts) {
3337
                    exit(1);
3338
                }
3339

    
3340
                if (qemu_opt_get(opts, "fsdriver") == NULL ||
3341
                    qemu_opt_get(opts, "mount_tag") == NULL) {
3342
                    fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3343
                    exit(1);
3344
                }
3345
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3346
                                         qemu_opt_get(opts, "mount_tag"),
3347
                                         1, NULL);
3348
                if (!fsdev) {
3349
                    fprintf(stderr, "duplicate fsdev id: %s\n",
3350
                            qemu_opt_get(opts, "mount_tag"));
3351
                    exit(1);
3352
                }
3353

    
3354
                writeout = qemu_opt_get(opts, "writeout");
3355
                if (writeout) {
3356
#ifdef CONFIG_SYNC_FILE_RANGE
3357
                    qemu_opt_set(fsdev, "writeout", writeout);
3358
#else
3359
                    fprintf(stderr, "writeout=immediate not supported on "
3360
                            "this platform\n");
3361
                    exit(1);
3362
#endif
3363
                }
3364
                qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3365
                qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3366
                qemu_opt_set(fsdev, "security_model",
3367
                             qemu_opt_get(opts, "security_model"));
3368
                socket = qemu_opt_get(opts, "socket");
3369
                if (socket) {
3370
                    qemu_opt_set(fsdev, "socket", socket);
3371
                }
3372
                sock_fd = qemu_opt_get(opts, "sock_fd");
3373
                if (sock_fd) {
3374
                    qemu_opt_set(fsdev, "sock_fd", sock_fd);
3375
                }
3376

    
3377
                qemu_opt_set_bool(fsdev, "readonly",
3378
                                qemu_opt_get_bool(opts, "readonly", 0));
3379
                device = qemu_opts_create_nofail(qemu_find_opts("device"));
3380
                qemu_opt_set(device, "driver", "virtio-9p-pci");
3381
                qemu_opt_set(device, "fsdev",
3382
                             qemu_opt_get(opts, "mount_tag"));
3383
                qemu_opt_set(device, "mount_tag",
3384
                             qemu_opt_get(opts, "mount_tag"));
3385
                break;
3386
            }
3387
            case QEMU_OPTION_virtfs_synth: {
3388
                QemuOpts *fsdev;
3389
                QemuOpts *device;
3390

    
3391
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3392
                                         1, NULL);
3393
                if (!fsdev) {
3394
                    fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3395
                    exit(1);
3396
                }
3397
                qemu_opt_set(fsdev, "fsdriver", "synth");
3398

    
3399
                device = qemu_opts_create_nofail(qemu_find_opts("device"));
3400
                qemu_opt_set(device, "driver", "virtio-9p-pci");
3401
                qemu_opt_set(device, "fsdev", "v_synth");
3402
                qemu_opt_set(device, "mount_tag", "v_synth");
3403
                break;
3404
            }
3405
            case QEMU_OPTION_serial:
3406
                add_device_config(DEV_SERIAL, optarg);
3407
                default_serial = 0;
3408
                if (strncmp(optarg, "mon:", 4) == 0) {
3409
                    default_monitor = 0;
3410
                }
3411
                break;
3412
            case QEMU_OPTION_watchdog:
3413
                if (watchdog) {
3414
                    fprintf(stderr,
3415
                            "qemu: only one watchdog option may be given\n");
3416
                    return 1;
3417
                }
3418
                watchdog = optarg;
3419
                break;
3420
            case QEMU_OPTION_watchdog_action:
3421
                if (select_watchdog_action(optarg) == -1) {
3422
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
3423
                    exit(1);
3424
                }
3425
                break;
3426
            case QEMU_OPTION_virtiocon:
3427
                add_device_config(DEV_VIRTCON, optarg);
3428
                default_virtcon = 0;
3429
                if (strncmp(optarg, "mon:", 4) == 0) {
3430
                    default_monitor = 0;
3431
                }
3432
                break;
3433
            case QEMU_OPTION_parallel:
3434
                add_device_config(DEV_PARALLEL, optarg);
3435
                default_parallel = 0;
3436
                if (strncmp(optarg, "mon:", 4) == 0) {
3437
                    default_monitor = 0;
3438
                }
3439
                break;
3440
            case QEMU_OPTION_debugcon:
3441
                add_device_config(DEV_DEBUGCON, optarg);
3442
                break;
3443
            case QEMU_OPTION_loadvm:
3444
                loadvm = optarg;
3445
                break;
3446
            case QEMU_OPTION_full_screen:
3447
                full_screen = 1;
3448
                break;
3449
            case QEMU_OPTION_no_frame:
3450
                no_frame = 1;
3451
                break;
3452
            case QEMU_OPTION_alt_grab:
3453
                alt_grab = 1;
3454
                break;
3455
            case QEMU_OPTION_ctrl_grab:
3456
                ctrl_grab = 1;
3457
                break;
3458
            case QEMU_OPTION_no_quit:
3459
                no_quit = 1;
3460
                break;
3461
            case QEMU_OPTION_sdl:
3462
#ifdef CONFIG_SDL
3463
                display_type = DT_SDL;
3464
                break;
3465
#else
3466
                fprintf(stderr, "SDL support is disabled\n");
3467
                exit(1);
3468
#endif
3469
            case QEMU_OPTION_pidfile:
3470
                pid_file = optarg;
3471
                break;
3472
            case QEMU_OPTION_win2k_hack:
3473
                win2k_install_hack = 1;
3474
                break;
3475
            case QEMU_OPTION_rtc_td_hack: {
3476
                static GlobalProperty slew_lost_ticks[] = {
3477
                    {
3478
                        .driver   = "mc146818rtc",
3479
                        .property = "lost_tick_policy",
3480
                        .value    = "slew",
3481
                    },
3482
                    { /* end of list */ }
3483
                };
3484

    
3485
                qdev_prop_register_global_list(slew_lost_ticks);
3486
                break;
3487
            }
3488
            case QEMU_OPTION_acpitable:
3489
                opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3490
                g_assert(opts != NULL);
3491
                do_acpitable_option(opts);
3492
                break;
3493
            case QEMU_OPTION_smbios:
3494
                opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3495
                do_smbios_option(opts);
3496
                break;
3497
            case QEMU_OPTION_enable_kvm:
3498
                olist = qemu_find_opts("machine");
3499
                qemu_opts_parse(olist, "accel=kvm", 0);
3500
                break;
3501
            case QEMU_OPTION_machine:
3502
                olist = qemu_find_opts("machine");
3503
                opts = qemu_opts_parse(olist, optarg, 1);
3504
                if (!opts) {
3505
                    exit(1);
3506
                }
3507
                optarg = qemu_opt_get(opts, "type");
3508
                if (optarg) {
3509
                    machine = machine_parse(optarg);
3510
                }
3511
                break;
3512
             case QEMU_OPTION_no_kvm:
3513
                olist = qemu_find_opts("machine");
3514
                qemu_opts_parse(olist, "accel=tcg", 0);
3515
                break;
3516
            case QEMU_OPTION_no_kvm_pit: {
3517
                fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3518
                                "separately.\n");
3519
                break;
3520
            }
3521
            case QEMU_OPTION_no_kvm_pit_reinjection: {
3522
                static GlobalProperty kvm_pit_lost_tick_policy[] = {
3523
                    {
3524
                        .driver   = "kvm-pit",
3525
                        .property = "lost_tick_policy",
3526
                        .value    = "discard",
3527
                    },
3528
                    { /* end of list */ }
3529
                };
3530

    
3531
                fprintf(stderr, "Warning: option deprecated, use "
3532
                        "lost_tick_policy property of kvm-pit instead.\n");
3533
                qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3534
                break;
3535
            }
3536
            case QEMU_OPTION_usb:
3537
                olist = qemu_find_opts("machine");
3538
                qemu_opts_parse(olist, "usb=on", 0);
3539
                break;
3540
            case QEMU_OPTION_usbdevice:
3541
                olist = qemu_find_opts("machine");
3542
                qemu_opts_parse(olist, "usb=on", 0);
3543
                add_device_config(DEV_USB, optarg);
3544
                break;
3545
            case QEMU_OPTION_device:
3546
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3547
                    exit(1);
3548
                }
3549
                break;
3550
            case QEMU_OPTION_smp:
3551
                if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3552
                    exit(1);
3553
                }
3554
                break;
3555
            case QEMU_OPTION_vnc:
3556
#ifdef CONFIG_VNC
3557
                display_remote++;
3558
                vnc_display = optarg;
3559
#else
3560
                fprintf(stderr, "VNC support is disabled\n");
3561
                exit(1);
3562
#endif
3563
                break;
3564
            case QEMU_OPTION_no_acpi:
3565
                acpi_enabled = 0;
3566
                break;
3567
            case QEMU_OPTION_no_hpet:
3568
                no_hpet = 1;
3569
                break;
3570
            case QEMU_OPTION_balloon:
3571
                if (balloon_parse(optarg) < 0) {
3572
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3573
                    exit(1);
3574
                }
3575
                break;
3576
            case QEMU_OPTION_no_reboot:
3577
                no_reboot = 1;
3578
                break;
3579
            case QEMU_OPTION_no_shutdown:
3580
                no_shutdown = 1;
3581
                break;
3582
            case QEMU_OPTION_show_cursor:
3583
                cursor_hide = 0;
3584
                break;
3585
            case QEMU_OPTION_uuid:
3586
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3587
                    fprintf(stderr, "Fail to parse UUID string."
3588
                            " Wrong format.\n");
3589
                    exit(1);
3590
                }
3591
                break;
3592
            case QEMU_OPTION_option_rom:
3593
                if (nb_option_roms >= MAX_OPTION_ROMS) {
3594
                    fprintf(stderr, "Too many option ROMs\n");
3595
                    exit(1);
3596
                }
3597
                opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3598
                if (!opts) {
3599
                    exit(1);
3600
                }
3601
                option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3602
                option_rom[nb_option_roms].bootindex =
3603
                    qemu_opt_get_number(opts, "bootindex", -1);
3604
                if (!option_rom[nb_option_roms].name) {
3605
                    fprintf(stderr, "Option ROM file is not specified\n");
3606
                    exit(1);
3607
                }
3608
                nb_option_roms++;
3609
                break;
3610
            case QEMU_OPTION_semihosting:
3611
                semihosting_enabled = 1;
3612
                break;
3613
            case QEMU_OPTION_tdf:
3614
                fprintf(stderr, "Warning: user space PIT time drift fix "
3615
                                "is no longer supported.\n");
3616
                break;
3617
            case QEMU_OPTION_name:
3618
                qemu_name = g_strdup(optarg);
3619
                 {
3620
                     char *p = strchr(qemu_name, ',');
3621
                     if (p != NULL) {
3622
                        *p++ = 0;
3623
                        if (strncmp(p, "process=", 8)) {
3624
                            fprintf(stderr, "Unknown subargument %s to -name\n", p);
3625
                            exit(1);
3626
                        }
3627
                        p += 8;
3628
                        os_set_proc_name(p);
3629
                     }
3630
                 }
3631
                break;
3632
            case QEMU_OPTION_prom_env:
3633
                if (nb_prom_envs >= MAX_PROM_ENVS) {
3634
                    fprintf(stderr, "Too many prom variables\n");
3635
                    exit(1);
3636
                }
3637
                prom_envs[nb_prom_envs] = optarg;
3638
                nb_prom_envs++;
3639
                break;
3640
            case QEMU_OPTION_old_param:
3641
                old_param = 1;
3642
                break;
3643
            case QEMU_OPTION_clock:
3644
                /* Clock options no longer exist.  Keep this option for
3645
                 * backward compatibility.
3646
                 */
3647
                break;
3648
            case QEMU_OPTION_startdate:
3649
                configure_rtc_date_offset(optarg, 1);
3650
                break;
3651
            case QEMU_OPTION_rtc:
3652
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3653
                if (!opts) {
3654
                    exit(1);
3655
                }
3656
                configure_rtc(opts);
3657
                break;
3658
            case QEMU_OPTION_tb_size:
3659
                tcg_tb_size = strtol(optarg, NULL, 0);
3660
                if (tcg_tb_size < 0) {
3661
                    tcg_tb_size = 0;
3662
                }
3663
                break;
3664
            case QEMU_OPTION_icount:
3665
                icount_option = optarg;
3666
                break;
3667
            case QEMU_OPTION_incoming:
3668
                incoming = optarg;
3669
                runstate_set(RUN_STATE_INMIGRATE);
3670
                break;
3671
            case QEMU_OPTION_nodefaults:
3672
                default_serial = 0;
3673
                default_parallel = 0;
3674
                default_virtcon = 0;
3675
                default_sclp = 0;
3676
                default_monitor = 0;
3677
                default_net = 0;
3678
                default_floppy = 0;
3679
                default_cdrom = 0;
3680
                default_sdcard = 0;
3681
                default_vga = 0;
3682
                break;
3683
            case QEMU_OPTION_xen_domid:
3684
                if (!(xen_available())) {
3685
                    printf("Option %s not supported for this target\n", popt->name);
3686
                    exit(1);
3687
                }
3688
                xen_domid = atoi(optarg);
3689
                break;
3690
            case QEMU_OPTION_xen_create:
3691
                if (!(xen_available())) {
3692
                    printf("Option %s not supported for this target\n", popt->name);
3693
                    exit(1);
3694
                }
3695
                xen_mode = XEN_CREATE;
3696
                break;
3697
            case QEMU_OPTION_xen_attach:
3698
                if (!(xen_available())) {
3699
                    printf("Option %s not supported for this target\n", popt->name);
3700
                    exit(1);
3701
                }
3702
                xen_mode = XEN_ATTACH;
3703
                break;
3704
            case QEMU_OPTION_trace:
3705
            {
3706
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3707
                if (!opts) {
3708
                    exit(1);
3709
                }
3710
                trace_events = qemu_opt_get(opts, "events");
3711
                trace_file = qemu_opt_get(opts, "file");
3712
                break;
3713
            }
3714
            case QEMU_OPTION_readconfig:
3715
                {
3716
                    int ret = qemu_read_config_file(optarg);
3717
                    if (ret < 0) {
3718
                        fprintf(stderr, "read config %s: %s\n", optarg,
3719
                            strerror(-ret));
3720
                        exit(1);
3721
                    }
3722
                    break;
3723
                }
3724
            case QEMU_OPTION_spice:
3725
                olist = qemu_find_opts("spice");
3726
                if (!olist) {
3727
                    fprintf(stderr, "spice is not supported by this qemu build.\n");
3728
                    exit(1);
3729
                }
3730
                opts = qemu_opts_parse(olist, optarg, 0);
3731
                if (!opts) {
3732
                    exit(1);
3733
                }
3734
                display_remote++;
3735
                break;
3736
            case QEMU_OPTION_writeconfig:
3737
                {
3738
                    FILE *fp;
3739
                    if (strcmp(optarg, "-") == 0) {
3740
                        fp = stdout;
3741
                    } else {
3742
                        fp = fopen(optarg, "w");
3743
                        if (fp == NULL) {
3744
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3745
                            exit(1);
3746
                        }
3747
                    }
3748
                    qemu_config_write(fp);
3749
                    fclose(fp);
3750
                    break;
3751
                }
3752
            case QEMU_OPTION_qtest:
3753
                qtest_chrdev = optarg;
3754
                break;
3755
            case QEMU_OPTION_qtest_log:
3756
                qtest_log = optarg;
3757
                break;
3758
            case QEMU_OPTION_sandbox:
3759
                opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3760
                if (!opts) {
3761
                    exit(1);
3762
                }
3763
                break;
3764
            case QEMU_OPTION_add_fd:
3765
#ifndef _WIN32
3766
                opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3767
                if (!opts) {
3768
                    exit(1);
3769
                }
3770
#else
3771
                error_report("File descriptor passing is disabled on this "
3772
                             "platform");
3773
                exit(1);
3774
#endif
3775
                break;
3776
            case QEMU_OPTION_object:
3777
                opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3778
                if (!opts) {
3779
                    exit(1);
3780
                }
3781
                break;
3782
            case QEMU_OPTION_realtime:
3783
                opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3784
                if (!opts) {
3785
                    exit(1);
3786
                }
3787
                configure_realtime(opts);
3788
                break;
3789
            case QEMU_OPTION_msg:
3790
                opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3791
                if (!opts) {
3792
                    exit(1);
3793
                }
3794
                configure_msg(opts);
3795
                break;
3796
            default:
3797
                os_parse_cmd_args(popt->index, optarg);
3798
            }
3799
        }
3800
    }
3801
    loc_set_none();
3802

    
3803
    if (qemu_init_main_loop()) {
3804
        fprintf(stderr, "qemu_init_main_loop failed\n");
3805
        exit(1);
3806
    }
3807

    
3808
    if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3809
        exit(1);
3810
    }
3811

    
3812
#ifndef _WIN32
3813
    if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3814
        exit(1);
3815
    }
3816

    
3817
    if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3818
        exit(1);
3819
    }
3820
#endif
3821

    
3822
    if (machine == NULL) {
3823
        fprintf(stderr, "No machine found.\n");
3824
        exit(1);
3825
    }
3826

    
3827
    if (machine->hw_version) {
3828
        qemu_set_version(machine->hw_version);
3829
    }
3830

    
3831
    if (qemu_opts_foreach(qemu_find_opts("object"),
3832
                          object_create, NULL, 0) != 0) {
3833
        exit(1);
3834
    }
3835

    
3836
    /* Init CPU def lists, based on config
3837
     * - Must be called after all the qemu_read_config_file() calls
3838
     * - Must be called before list_cpus()
3839
     * - Must be called before machine->init()
3840
     */
3841
    cpudef_init();
3842

    
3843
    if (cpu_model && is_help_option(cpu_model)) {
3844
        list_cpus(stdout, &fprintf, cpu_model);
3845
        exit(0);
3846
    }
3847

    
3848
    /* Open the logfile at this point, if necessary. We can't open the logfile
3849
     * when encountering either of the logging options (-d or -D) because the
3850
     * other one may be encountered later on the command line, changing the
3851
     * location or level of logging.
3852
     */
3853
    if (log_mask) {
3854
        int mask;
3855
        if (log_file) {
3856
            qemu_set_log_filename(log_file);
3857
        }
3858

    
3859
        mask = qemu_str_to_log_mask(log_mask);
3860
        if (!mask) {
3861
            qemu_print_log_usage(stdout);
3862
            exit(1);
3863
        }
3864
        qemu_set_log(mask);
3865
    }
3866

    
3867
    if (!trace_backend_init(trace_events, trace_file)) {
3868
        exit(1);
3869
    }
3870

    
3871
    /* If no data_dir is specified then try to find it relative to the
3872
       executable path.  */
3873
    if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3874
        data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3875
        if (data_dir[data_dir_idx] != NULL) {
3876
            data_dir_idx++;
3877
        }
3878
    }
3879
    /* If all else fails use the install path specified when building. */
3880
    if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3881
        data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3882
    }
3883

    
3884
    smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3885

    
3886
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3887
    if (smp_cpus > machine->max_cpus) {
3888
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3889
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3890
                machine->max_cpus);
3891
        exit(1);
3892
    }
3893

    
3894
    /*
3895
     * Get the default machine options from the machine if it is not already
3896
     * specified either by the configuration file or by the command line.
3897
     */
3898
    if (machine->default_machine_opts) {
3899
        qemu_opts_set_defaults(qemu_find_opts("machine"),
3900
                               machine->default_machine_opts, 0);
3901
    }
3902

    
3903
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3904
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3905

    
3906
    if (machine->no_serial) {
3907
        default_serial = 0;
3908
    }
3909
    if (machine->no_parallel) {
3910
        default_parallel = 0;
3911
    }
3912
    if (!machine->use_virtcon) {
3913
        default_virtcon = 0;
3914
    }
3915
    if (!machine->use_sclp) {
3916
        default_sclp = 0;
3917
    }
3918
    if (machine->no_floppy) {
3919
        default_floppy = 0;
3920
    }
3921
    if (machine->no_cdrom) {
3922
        default_cdrom = 0;
3923
    }
3924
    if (machine->no_sdcard) {
3925
        default_sdcard = 0;
3926
    }
3927

    
3928
    if (is_daemonized()) {
3929
        /* According to documentation and historically, -nographic redirects
3930
         * serial port, parallel port and monitor to stdio, which does not work
3931
         * with -daemonize.  We can redirect these to null instead, but since
3932
         * -nographic is legacy, let's just error out.
3933
         * We disallow -nographic only if all other ports are not redirected
3934
         * explicitly, to not break existing legacy setups which uses
3935
         * -nographic _and_ redirects all ports explicitly - this is valid
3936
         * usage, -nographic is just a no-op in this case.
3937
         */
3938
        if (display_type == DT_NOGRAPHIC
3939
            && (default_parallel || default_serial
3940
                || default_monitor || default_virtcon)) {
3941
            fprintf(stderr, "-nographic can not be used with -daemonize\n");
3942
            exit(1);
3943
        }
3944
#ifdef CONFIG_CURSES
3945
        if (display_type == DT_CURSES) {
3946
            fprintf(stderr, "curses display can not be used with -daemonize\n");
3947
            exit(1);
3948
        }
3949
#endif
3950
    }
3951

    
3952
    if (display_type == DT_NOGRAPHIC) {
3953
        if (default_parallel)
3954
            add_device_config(DEV_PARALLEL, "null");
3955
        if (default_serial && default_monitor) {
3956
            add_device_config(DEV_SERIAL, "mon:stdio");
3957
        } else if (default_virtcon && default_monitor) {
3958
            add_device_config(DEV_VIRTCON, "mon:stdio");
3959
        } else if (default_sclp && default_monitor) {
3960
            add_device_config(DEV_SCLP, "mon:stdio");
3961
        } else {
3962
            if (default_serial)
3963
                add_device_config(DEV_SERIAL, "stdio");
3964
            if (default_virtcon)
3965
                add_device_config(DEV_VIRTCON, "stdio");
3966
            if (default_sclp) {
3967
                add_device_config(DEV_SCLP, "stdio");
3968
            }
3969
            if (default_monitor)
3970
                monitor_parse("stdio", "readline");
3971
        }
3972
    } else {
3973
        if (default_serial)
3974
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
3975
        if (default_parallel)
3976
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3977
        if (default_monitor)
3978
            monitor_parse("vc:80Cx24C", "readline");
3979
        if (default_virtcon)
3980
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3981
        if (default_sclp) {
3982
            add_device_config(DEV_SCLP, "vc:80Cx24C");
3983
        }
3984
    }
3985

    
3986
    if (display_type == DT_DEFAULT && !display_remote) {
3987
#if defined(CONFIG_GTK)
3988
        display_type = DT_GTK;
3989
#elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3990
        display_type = DT_SDL;
3991
#elif defined(CONFIG_VNC)
3992
        vnc_display = "localhost:0,to=99";
3993
        show_vnc_port = 1;
3994
#else
3995
        display_type = DT_NONE;
3996
#endif
3997
    }
3998

    
3999
    if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4000
        fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4001
                        "for SDL, ignoring option\n");
4002
    }
4003
    if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4004
        fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4005
                        "ignoring option\n");
4006
    }
4007

    
4008
#if defined(CONFIG_GTK)
4009
    if (display_type == DT_GTK) {
4010
        early_gtk_display_init();
4011
    }
4012
#endif
4013

    
4014
    socket_init();
4015

    
4016
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4017
        exit(1);
4018
#ifdef CONFIG_VIRTFS
4019
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4020
        exit(1);
4021
    }
4022
#endif
4023

    
4024
    os_daemonize();
4025

    
4026
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4027
        os_pidfile_error();
4028
        exit(1);
4029
    }
4030

    
4031
    /* init the memory */
4032
    if (ram_size == 0) {
4033
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4034
    }
4035

    
4036
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4037
        != 0) {
4038
        exit(0);
4039
    }
4040

    
4041
    configure_accelerator();
4042

    
4043
    if (!qtest_enabled() && qtest_chrdev) {
4044
        qtest_init();
4045
    }
4046

    
4047
    machine_opts = qemu_get_machine_opts();
4048
    kernel_filename = qemu_opt_get(machine_opts, "kernel");
4049
    initrd_filename = qemu_opt_get(machine_opts, "initrd");
4050
    kernel_cmdline = qemu_opt_get(machine_opts, "append");
4051

    
4052
    if (!boot_order) {
4053
        boot_order = machine->default_boot_order;
4054
    }
4055
    opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4056
    if (opts) {
4057
        char *normal_boot_order;
4058
        const char *order, *once;
4059

    
4060
        order = qemu_opt_get(opts, "order");
4061
        if (order) {
4062
            validate_bootdevices(order);
4063
            boot_order = order;
4064
        }
4065

    
4066
        once = qemu_opt_get(opts, "once");
4067
        if (once) {
4068
            validate_bootdevices(once);
4069
            normal_boot_order = g_strdup(boot_order);
4070
            boot_order = once;
4071
            qemu_register_reset(restore_boot_order, normal_boot_order);
4072
        }
4073

    
4074
        boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4075
    }
4076

    
4077
    if (!kernel_cmdline) {
4078
        kernel_cmdline = "";
4079
    }
4080

    
4081
    linux_boot = (kernel_filename != NULL);
4082

    
4083
    if (!linux_boot && *kernel_cmdline != '\0') {
4084
        fprintf(stderr, "-append only allowed with -kernel option\n");
4085
        exit(1);
4086
    }
4087

    
4088
    if (!linux_boot && initrd_filename != NULL) {
4089
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
4090
        exit(1);
4091
    }
4092

    
4093
    if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4094
        fprintf(stderr, "-dtb only allowed with -kernel option\n");
4095
        exit(1);
4096
    }
4097

    
4098
    os_set_line_buffering();
4099

    
4100
    qemu_init_cpu_loop();
4101
    qemu_mutex_lock_iothread();
4102

    
4103
#ifdef CONFIG_SPICE
4104
    /* spice needs the timers to be initialized by this point */
4105
    qemu_spice_init();
4106
#endif
4107

    
4108
    if (icount_option && (kvm_enabled() || xen_enabled())) {
4109
        fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4110
        exit(1);
4111
    }
4112
    configure_icount(icount_option);
4113

    
4114
    /* clean up network at qemu process termination */
4115
    atexit(&net_cleanup);
4116

    
4117
    if (net_init_clients() < 0) {
4118
        exit(1);
4119
    }
4120

    
4121
#ifdef CONFIG_TPM
4122
    if (tpm_init() < 0) {
4123
        exit(1);
4124
    }
4125
#endif
4126

    
4127
    /* init the bluetooth world */
4128
    if (foreach_device_config(DEV_BT, bt_parse))
4129
        exit(1);
4130

    
4131
    if (!xen_enabled()) {
4132
        /* On 32-bit hosts, QEMU is limited by virtual address space */
4133
        if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4134
            fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4135
            exit(1);
4136
        }
4137
    }
4138

    
4139
    cpu_exec_init_all();
4140

    
4141
    blk_mig_init();
4142

    
4143
    /* open the virtual block devices */
4144
    if (snapshot)
4145
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4146
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4147
                          &machine->block_default_type, 1) != 0) {
4148
        exit(1);
4149
    }
4150

    
4151
    default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4152
                  CDROM_OPTS);
4153
    default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4154
    default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4155

    
4156
    register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4157

    
4158
    if (nb_numa_nodes > 0) {
4159
        int i;
4160

    
4161
        if (nb_numa_nodes > MAX_NODES) {
4162
            nb_numa_nodes = MAX_NODES;
4163
        }
4164

    
4165
        /* If no memory size if given for any node, assume the default case
4166
         * and distribute the available memory equally across all nodes
4167
         */
4168
        for (i = 0; i < nb_numa_nodes; i++) {
4169
            if (node_mem[i] != 0)
4170
                break;
4171
        }
4172
        if (i == nb_numa_nodes) {
4173
            uint64_t usedmem = 0;
4174

    
4175
            /* On Linux, the each node's border has to be 8MB aligned,
4176
             * the final node gets the rest.
4177
             */
4178
            for (i = 0; i < nb_numa_nodes - 1; i++) {
4179
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4180
                usedmem += node_mem[i];
4181
            }
4182
            node_mem[i] = ram_size - usedmem;
4183
        }
4184

    
4185
        for (i = 0; i < nb_numa_nodes; i++) {
4186
            if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4187
                break;
4188
            }
4189
        }
4190
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
4191
         * must cope with this anyway, because there are BIOSes out there in
4192
         * real machines which also use this scheme.
4193
         */
4194
        if (i == nb_numa_nodes) {
4195
            for (i = 0; i < max_cpus; i++) {
4196
                set_bit(i, node_cpumask[i % nb_numa_nodes]);
4197
            }
4198
        }
4199
    }
4200

    
4201
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4202
        exit(1);
4203
    }
4204

    
4205
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4206
        exit(1);
4207
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4208
        exit(1);
4209
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4210
        exit(1);
4211
    if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4212
        exit(1);
4213
    }
4214
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4215
        exit(1);
4216

    
4217
    /* If no default VGA is requested, the default is "none".  */
4218
    if (default_vga) {
4219
        if (cirrus_vga_available()) {
4220
            vga_model = "cirrus";
4221
        } else if (vga_available()) {
4222
            vga_model = "std";
4223
        }
4224
    }
4225
    select_vgahw(vga_model);
4226

    
4227
    if (watchdog) {
4228
        i = select_watchdog(watchdog);
4229
        if (i > 0)
4230
            exit (i == 1 ? 1 : 0);
4231
    }
4232

    
4233
    if (machine->compat_props) {
4234
        qdev_prop_register_global_list(machine->compat_props);
4235
    }
4236
    qemu_add_globals();
4237

    
4238
    qdev_machine_init();
4239

    
4240
    QEMUMachineInitArgs args = { .ram_size = ram_size,
4241
                                 .boot_order = boot_order,
4242
                                 .kernel_filename = kernel_filename,
4243
                                 .kernel_cmdline = kernel_cmdline,
4244
                                 .initrd_filename = initrd_filename,
4245
                                 .cpu_model = cpu_model };
4246
    machine->init(&args);
4247

    
4248
    audio_init();
4249

    
4250
    cpu_synchronize_all_post_init();
4251

    
4252
    set_numa_modes();
4253

    
4254
    current_machine = machine;
4255

    
4256
    /* init USB devices */
4257
    if (usb_enabled(false)) {
4258
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
4259
            exit(1);
4260
    }
4261

    
4262
    /* init generic devices */
4263
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4264
        exit(1);
4265

    
4266
    net_check_clients();
4267

    
4268
    ds = init_displaystate();
4269

    
4270
    /* init local displays */
4271
    switch (display_type) {
4272
    case DT_NOGRAPHIC:
4273
        break;
4274
#if defined(CONFIG_CURSES)
4275
    case DT_CURSES:
4276
        curses_display_init(ds, full_screen);
4277
        break;
4278
#endif
4279
#if defined(CONFIG_SDL)
4280
    case DT_SDL:
4281
        sdl_display_init(ds, full_screen, no_frame);
4282
        break;
4283
#elif defined(CONFIG_COCOA)
4284
    case DT_SDL:
4285
        cocoa_display_init(ds, full_screen);
4286
        break;
4287
#endif
4288
#if defined(CONFIG_GTK)
4289
    case DT_GTK:
4290
        gtk_display_init(ds, full_screen);
4291
        break;
4292
#endif
4293
    default:
4294
        break;
4295
    }
4296

    
4297
    /* must be after terminal init, SDL library changes signal handlers */
4298
    os_setup_signal_handling();
4299

    
4300
#ifdef CONFIG_VNC
4301
    /* init remote displays */
4302
    if (vnc_display) {
4303
        Error *local_err = NULL;
4304
        vnc_display_init(ds);
4305
        vnc_display_open(ds, vnc_display, &local_err);
4306
        if (local_err != NULL) {
4307
            error_report("Failed to start VNC server on `%s': %s",
4308
                         vnc_display, error_get_pretty(local_err));
4309
            error_free(local_err);
4310
            exit(1);
4311
        }
4312

    
4313
        if (show_vnc_port) {
4314
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4315
        }
4316
    }
4317
#endif
4318
#ifdef CONFIG_SPICE
4319
    if (using_spice && !spice_displays) {
4320
        qemu_spice_display_init(ds);
4321
    }
4322
#endif
4323

    
4324
    if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4325
        exit(1);
4326
    }
4327

    
4328
    qdev_machine_creation_done();
4329

    
4330
    if (rom_load_all() != 0) {
4331
        fprintf(stderr, "rom loading failed\n");
4332
        exit(1);
4333
    }
4334

    
4335
    /* TODO: once all bus devices are qdevified, this should be done
4336
     * when bus is created by qdev.c */
4337
    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4338
    qemu_run_machine_init_done_notifiers();
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
}