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1 /*
2  * QEMU System Emulator
3  *
4  * Copyright (c) 2003-2008 Fabrice Bellard
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 /* the following is needed on Linux to define ptsname() in stdlib.h */
26 #if defined(__linux__)
27 #define _GNU_SOURCE 1
28 #endif
29 
30 #include "qemu-common.h"
31 #include "hw/hw.h"
32 #include "hw/boards.h"
33 #include "hw/usb.h"
34 #include "hw/pcmcia.h"
35 #include "hw/pc.h"
36 #include "hw/audiodev.h"
37 #include "hw/isa.h"
38 #include "hw/baum.h"
39 #include "hw/goldfish_nand.h"
40 #include "net.h"
41 #include "console.h"
42 #include "sysemu.h"
43 #include "gdbstub.h"
44 #include "qemu-timer.h"
45 #include "qemu-char.h"
46 #include "blockdev.h"
47 #include "audio/audio.h"
48 
49 #include "qemu_file.h"
50 #include "android/android.h"
51 #include "charpipe.h"
52 #include "modem_driver.h"
53 #include "android/gps.h"
54 #include "android/hw-kmsg.h"
55 #include "android/hw-pipe-net.h"
56 #include "android/hw-qemud.h"
57 #include "android/camera/camera-service.h"
58 #include "android/multitouch-port.h"
59 #include "android/charmap.h"
60 #include "android/globals.h"
61 #include "android/utils/bufprint.h"
62 #include "android/utils/debug.h"
63 #include "android/utils/filelock.h"
64 #include "android/utils/path.h"
65 #include "android/utils/stralloc.h"
66 #include "android/utils/tempfile.h"
67 #include "android/display-core.h"
68 #include "android/utils/timezone.h"
69 #include "android/snapshot.h"
70 #include "android/opengles.h"
71 #include "android/multitouch-screen.h"
72 #include "targphys.h"
73 #include "tcpdump.h"
74 
75 #ifdef CONFIG_MEMCHECK
76 #include "memcheck/memcheck.h"
77 #endif  // CONFIG_MEMCHECK
78 
79 #include <unistd.h>
80 #include <fcntl.h>
81 #include <signal.h>
82 #include <time.h>
83 #include <errno.h>
84 #include <sys/time.h>
85 #include <zlib.h>
86 
87 /* Needed early for CONFIG_BSD etc. */
88 #include "config-host.h"
89 
90 #ifndef _WIN32
91 #include <libgen.h>
92 #include <sys/times.h>
93 #include <sys/wait.h>
94 #include <termios.h>
95 #include <sys/mman.h>
96 #include <sys/ioctl.h>
97 #include <sys/resource.h>
98 #include <sys/socket.h>
99 #include <netinet/in.h>
100 #include <net/if.h>
101 #if defined(__NetBSD__)
102 #include <net/if_tap.h>
103 #endif
104 #ifdef __linux__
105 #include <linux/if_tun.h>
106 #endif
107 #include <arpa/inet.h>
108 #include <dirent.h>
109 #include <netdb.h>
110 #include <sys/select.h>
111 #ifdef CONFIG_BSD
112 #include <sys/stat.h>
113 #if defined(__FreeBSD__) || defined(__DragonFly__)
114 #include <libutil.h>
115 #else
116 #include <util.h>
117 #endif
118 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
119 #include <freebsd/stdlib.h>
120 #else
121 #ifdef __linux__
122 #include <pty.h>
123 #include <malloc.h>
124 #include <linux/rtc.h>
125 
126 /* For the benefit of older linux systems which don't supply it,
127    we use a local copy of hpet.h. */
128 /* #include <linux/hpet.h> */
129 #include "hpet.h"
130 
131 #include <linux/ppdev.h>
132 #include <linux/parport.h>
133 #endif
134 #ifdef __sun__
135 #include <sys/stat.h>
136 #include <sys/ethernet.h>
137 #include <sys/sockio.h>
138 #include <netinet/arp.h>
139 #include <netinet/in.h>
140 #include <netinet/in_systm.h>
141 #include <netinet/ip.h>
142 #include <netinet/ip_icmp.h> // must come after ip.h
143 #include <netinet/udp.h>
144 #include <netinet/tcp.h>
145 #include <net/if.h>
146 #include <syslog.h>
147 #include <stropts.h>
148 #endif
149 #endif
150 #endif
151 
152 #if defined(__OpenBSD__)
153 #include <util.h>
154 #endif
155 
156 #if defined(CONFIG_VDE)
157 #include <libvdeplug.h>
158 #endif
159 
160 #ifdef _WIN32
161 #include <windows.h>
162 #include <malloc.h>
163 #include <sys/timeb.h>
164 #include <mmsystem.h>
165 #define getopt_long_only getopt_long
166 #define memalign(align, size) malloc(size)
167 #endif
168 
169 #include "cpus.h"
170 #include "arch_init.h"
171 
172 #ifdef CONFIG_COCOA
173 int qemu_main(int argc, char **argv, char **envp);
174 #undef main
175 #define main qemu_main
176 #endif /* CONFIG_COCOA */
177 
178 #include "hw/hw.h"
179 #include "hw/boards.h"
180 #include "hw/usb.h"
181 #include "hw/pcmcia.h"
182 #include "hw/pc.h"
183 #include "hw/isa.h"
184 #include "hw/baum.h"
185 #include "hw/bt.h"
186 #include "hw/watchdog.h"
187 #include "hw/smbios.h"
188 #include "hw/xen.h"
189 #include "bt-host.h"
190 #include "net.h"
191 #include "monitor.h"
192 #include "console.h"
193 #include "sysemu.h"
194 #include "gdbstub.h"
195 #include "qemu-timer.h"
196 #include "qemu-char.h"
197 #include "cache-utils.h"
198 #include "block.h"
199 #include "dma.h"
200 #include "audio/audio.h"
201 #include "migration.h"
202 #include "kvm.h"
203 #include "hax.h"
204 #ifdef CONFIG_KVM
205 #include "kvm-android.h"
206 #endif
207 #include "balloon.h"
208 #include "android/hw-lcd.h"
209 #include "android/boot-properties.h"
210 #include "android/hw-control.h"
211 #include "android/core-init-utils.h"
212 #include "android/audio-test.h"
213 
214 #include "android/snaphost-android.h"
215 
216 #ifdef CONFIG_STANDALONE_CORE
217 /* Verbose value used by the standalone emulator core (without UI) */
218 unsigned long   android_verbose;
219 #endif  // CONFIG_STANDALONE_CORE
220 
221 #if !defined(CONFIG_STANDALONE_CORE)
222 /* in android/qemulator.c */
223 extern void  android_emulator_set_base_port(int  port);
224 #endif
225 
226 #if defined(CONFIG_SKINS) && !defined(CONFIG_STANDALONE_CORE)
227 #undef main
228 #define main qemu_main
229 #endif
230 
231 #include "disas.h"
232 
233 #ifdef CONFIG_TRACE
234 #include "android-trace.h"
235 #endif
236 
237 #include "qemu_socket.h"
238 
239 #if defined(CONFIG_SLIRP)
240 #include "libslirp.h"
241 #endif
242 
243 #define DEFAULT_RAM_SIZE 128
244 
245 /* Max number of USB devices that can be specified on the commandline.  */
246 #define MAX_USB_CMDLINE 8
247 
248 /* Max number of bluetooth switches on the commandline.  */
249 #define MAX_BT_CMDLINE 10
250 
251 /* XXX: use a two level table to limit memory usage */
252 
253 static const char *data_dir;
254 const char *bios_name = NULL;
255 static void *ioport_opaque[MAX_IOPORTS];
256 static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
257 static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
258 #ifdef MAX_DRIVES
259 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
260    to store the VM snapshots */
261 DriveInfo drives_table[MAX_DRIVES+1];
262 int nb_drives;
263 #endif
264 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
265 DisplayType display_type = DT_DEFAULT;
266 const char* keyboard_layout = NULL;
267 int64_t ticks_per_sec;
268 ram_addr_t ram_size;
269 const char *mem_path = NULL;
270 #ifdef MAP_POPULATE
271 int mem_prealloc = 0; /* force preallocation of physical target memory */
272 #endif
273 int nb_nics;
274 NICInfo nd_table[MAX_NICS];
275 int vm_running;
276 int autostart;
277 static int rtc_utc = 1;
278 static int rtc_date_offset = -1; /* -1 means no change */
279 int cirrus_vga_enabled = 1;
280 int std_vga_enabled = 0;
281 int vmsvga_enabled = 0;
282 int xenfb_enabled = 0;
283 QEMUClock *rtc_clock;
284 static int full_screen = 0;
285 #ifdef CONFIG_SDL
286 static int no_frame = 0;
287 #endif
288 int no_quit = 0;
289 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
290 int              serial_hds_count;
291 
292 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
293 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
294 #ifdef TARGET_I386
295 int win2k_install_hack = 0;
296 int rtc_td_hack = 0;
297 #endif
298 int usb_enabled = 0;
299 int singlestep = 0;
300 int smp_cpus = 1;
301 const char *vnc_display;
302 int acpi_enabled = 1;
303 int no_hpet = 0;
304 int hax_disabled = 0;
305 int no_virtio_balloon = 0;
306 int fd_bootchk = 1;
307 int no_reboot = 0;
308 int no_shutdown = 0;
309 int cursor_hide = 1;
310 int graphic_rotate = 0;
311 WatchdogTimerModel *watchdog = NULL;
312 int watchdog_action = WDT_RESET;
313 const char *option_rom[MAX_OPTION_ROMS];
314 int nb_option_roms;
315 int semihosting_enabled = 0;
316 #ifdef TARGET_ARM
317 int old_param = 0;
318 #endif
319 const char *qemu_name;
320 int alt_grab = 0;
321 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
322 unsigned int nb_prom_envs = 0;
323 const char *prom_envs[MAX_PROM_ENVS];
324 #endif
325 #ifdef MAX_DRIVES
326 int nb_drives_opt;
327 struct drive_opt drives_opt[MAX_DRIVES];
328 #endif
329 int nb_numa_nodes;
330 uint64_t node_mem[MAX_NODES];
331 uint64_t node_cpumask[MAX_NODES];
332 
333 static QEMUTimer *nographic_timer;
334 
335 uint8_t qemu_uuid[16];
336 
337 
338 int   qemu_cpu_delay;
339 extern char* audio_input_source;
340 
341 extern char* android_op_ports;
342 extern char* android_op_port;
343 extern char* android_op_report_console;
344 extern char* op_http_proxy;
345 // Path to the file containing specific key character map.
346 char* op_charmap_file = NULL;
347 
348 /* Path to hardware initialization file passed with -android-hw option. */
349 char* android_op_hwini = NULL;
350 
351 /* Memory checker options. */
352 char* android_op_memcheck = NULL;
353 
354 /* -dns-server option value. */
355 char* android_op_dns_server = NULL;
356 
357 /* -radio option value. */
358 char* android_op_radio = NULL;
359 
360 /* -gps option value. */
361 char* android_op_gps = NULL;
362 
363 /* -audio option value. */
364 char* android_op_audio = NULL;
365 
366 /* -cpu-delay option value. */
367 char* android_op_cpu_delay = NULL;
368 
369 #ifdef CONFIG_NAND_LIMITS
370 /* -nand-limits option value. */
371 char* android_op_nand_limits = NULL;
372 #endif  // CONFIG_NAND_LIMITS
373 
374 /* -netspeed option value. */
375 char* android_op_netspeed = NULL;
376 
377 /* -netdelay option value. */
378 char* android_op_netdelay = NULL;
379 
380 /* -netfast option value. */
381 int android_op_netfast = 0;
382 
383 /* -tcpdump option value. */
384 char* android_op_tcpdump = NULL;
385 
386 /* -lcd-density option value. */
387 char* android_op_lcd_density = NULL;
388 
389 /* -ui-port option value. This port will be used to report the core
390  * initialization completion.
391  */
392 char* android_op_ui_port = NULL;
393 
394 /* -ui-settings option value. This value will be passed to the UI when new UI
395  * process is attaching to the core.
396  */
397 char* android_op_ui_settings = NULL;
398 
399 /* -android-avdname option value. */
400 char* android_op_avd_name = "unknown";
401 
402 extern int android_display_width;
403 extern int android_display_height;
404 extern int android_display_bpp;
405 
406 extern void  dprint( const char* format, ... );
407 
408 const char* dns_log_filename = NULL;
409 const char* drop_log_filename = NULL;
410 static int rotate_logs_requested = 0;
411 
412 const char* savevm_on_exit = NULL;
413 
414 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
415 
416 /* Reports the core initialization failure to the error stdout and to the UI
417  * socket before exiting the application.
418  * Parameters that are passed to this macro are used to format the error
419  * mesage using sprintf routine.
420  */
421 #ifdef CONFIG_ANDROID
422 #define  PANIC(...) android_core_init_failure(__VA_ARGS__)
423 #else
424 #define  PANIC(...) do { fprintf(stderr, __VA_ARGS__);  \
425                          exit(1);                       \
426                     } while (0)
427 #endif  // CONFIG_ANDROID
428 
429 /* Exits the core during initialization. */
430 #ifdef CONFIG_ANDROID
431 #define  QEMU_EXIT(exit_code) android_core_init_exit(exit_code)
432 #else
433 #define  QEMU_EXIT(exit_code) exit(exit_code)
434 #endif  // CONFIG_ANDROID
435 
436 /***********************************************************/
437 /* x86 ISA bus support */
438 
439 target_phys_addr_t isa_mem_base = 0;
440 PicState2 *isa_pic;
441 
442 static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
443 static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
444 
ioport_read(int index,uint32_t address)445 static uint32_t ioport_read(int index, uint32_t address)
446 {
447     static IOPortReadFunc *default_func[3] = {
448         default_ioport_readb,
449         default_ioport_readw,
450         default_ioport_readl
451     };
452     IOPortReadFunc *func = ioport_read_table[index][address];
453     if (!func)
454         func = default_func[index];
455     return func(ioport_opaque[address], address);
456 }
457 
ioport_write(int index,uint32_t address,uint32_t data)458 static void ioport_write(int index, uint32_t address, uint32_t data)
459 {
460     static IOPortWriteFunc *default_func[3] = {
461         default_ioport_writeb,
462         default_ioport_writew,
463         default_ioport_writel
464     };
465     IOPortWriteFunc *func = ioport_write_table[index][address];
466     if (!func)
467         func = default_func[index];
468     func(ioport_opaque[address], address, data);
469 }
470 
default_ioport_readb(void * opaque,uint32_t address)471 static uint32_t default_ioport_readb(void *opaque, uint32_t address)
472 {
473 #ifdef DEBUG_UNUSED_IOPORT
474     fprintf(stderr, "unused inb: port=0x%04x\n", address);
475 #endif
476     return 0xff;
477 }
478 
default_ioport_writeb(void * opaque,uint32_t address,uint32_t data)479 static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
480 {
481 #ifdef DEBUG_UNUSED_IOPORT
482     fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
483 #endif
484 }
485 
486 /* default is to make two byte accesses */
default_ioport_readw(void * opaque,uint32_t address)487 static uint32_t default_ioport_readw(void *opaque, uint32_t address)
488 {
489     uint32_t data;
490     data = ioport_read(0, address);
491     address = (address + 1) & (MAX_IOPORTS - 1);
492     data |= ioport_read(0, address) << 8;
493     return data;
494 }
495 
default_ioport_writew(void * opaque,uint32_t address,uint32_t data)496 static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
497 {
498     ioport_write(0, address, data & 0xff);
499     address = (address + 1) & (MAX_IOPORTS - 1);
500     ioport_write(0, address, (data >> 8) & 0xff);
501 }
502 
default_ioport_readl(void * opaque,uint32_t address)503 static uint32_t default_ioport_readl(void *opaque, uint32_t address)
504 {
505 #ifdef DEBUG_UNUSED_IOPORT
506     fprintf(stderr, "unused inl: port=0x%04x\n", address);
507 #endif
508     return 0xffffffff;
509 }
510 
default_ioport_writel(void * opaque,uint32_t address,uint32_t data)511 static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
512 {
513 #ifdef DEBUG_UNUSED_IOPORT
514     fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
515 #endif
516 }
517 
518 /*
519  * Sets a flag (rotate_logs_requested) to clear both the DNS and the
520  * drop logs upon receiving a SIGUSR1 signal. We need to clear the logs
521  * between the tasks that do not require restarting Qemu.
522  */
rotate_qemu_logs_handler(int signum)523 void rotate_qemu_logs_handler(int signum) {
524   rotate_logs_requested = 1;
525 }
526 
527 /*
528  * Resets the rotate_log_requested_flag. Normally called after qemu
529  * logs has been rotated.
530  */
reset_rotate_qemu_logs_request(void)531 void reset_rotate_qemu_logs_request(void) {
532   rotate_logs_requested = 0;
533 }
534 
535 /*
536  * Clears the passed qemu log when the rotate_logs_requested
537  * is set. We need to clear the logs between the tasks that do not
538  * require restarting Qemu.
539  */
rotate_qemu_log(FILE * old_log_fd,const char * filename)540 FILE* rotate_qemu_log(FILE* old_log_fd, const char* filename) {
541   FILE* new_log_fd = NULL;
542   if (old_log_fd) {
543     if (fclose(old_log_fd) == -1) {
544       fprintf(stderr, "Cannot close old_log fd\n");
545       exit(errno);
546     }
547   }
548 
549   if (!filename) {
550     fprintf(stderr, "The log filename to be rotated is not provided");
551     exit(-1);
552   }
553 
554   new_log_fd = fopen(filename , "wb+");
555   if (new_log_fd == NULL) {
556     fprintf(stderr, "Cannot open the log file: %s for write.\n",
557             filename);
558     exit(1);
559   }
560 
561   return new_log_fd;
562 }
563 
564 /***************/
565 /* ballooning */
566 
567 static QEMUBalloonEvent *qemu_balloon_event;
568 void *qemu_balloon_event_opaque;
569 
qemu_add_balloon_handler(QEMUBalloonEvent * func,void * opaque)570 void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque)
571 {
572     qemu_balloon_event = func;
573     qemu_balloon_event_opaque = opaque;
574 }
575 
qemu_balloon(ram_addr_t target)576 void qemu_balloon(ram_addr_t target)
577 {
578     if (qemu_balloon_event)
579         qemu_balloon_event(qemu_balloon_event_opaque, target);
580 }
581 
qemu_balloon_status(void)582 ram_addr_t qemu_balloon_status(void)
583 {
584     if (qemu_balloon_event)
585         return qemu_balloon_event(qemu_balloon_event_opaque, 0);
586     return 0;
587 }
588 
589 /***********************************************************/
590 /* host time/date access */
qemu_get_timedate(struct tm * tm,int offset)591 void qemu_get_timedate(struct tm *tm, int offset)
592 {
593     time_t ti;
594     struct tm *ret;
595 
596     time(&ti);
597     ti += offset;
598     if (rtc_date_offset == -1) {
599         if (rtc_utc)
600             ret = gmtime(&ti);
601         else
602             ret = localtime(&ti);
603     } else {
604         ti -= rtc_date_offset;
605         ret = gmtime(&ti);
606     }
607 
608     memcpy(tm, ret, sizeof(struct tm));
609 }
610 
qemu_timedate_diff(struct tm * tm)611 int qemu_timedate_diff(struct tm *tm)
612 {
613     time_t seconds;
614 
615     if (rtc_date_offset == -1)
616         if (rtc_utc)
617             seconds = mktimegm(tm);
618         else
619             seconds = mktime(tm);
620     else
621         seconds = mktimegm(tm) + rtc_date_offset;
622 
623     return seconds - time(NULL);
624 }
625 
626 
627 #ifdef CONFIG_TRACE
628 int tbflush_requested;
629 static int exit_requested;
630 
start_tracing()631 void start_tracing()
632 {
633   if (trace_filename == NULL)
634     return;
635   if (!tracing) {
636     fprintf(stderr,"-- start tracing --\n");
637     start_time = Now();
638   }
639   tracing = 1;
640   tbflush_requested = 1;
641   qemu_notify_event();
642 }
643 
stop_tracing()644 void stop_tracing()
645 {
646   if (trace_filename == NULL)
647     return;
648   if (tracing) {
649     end_time = Now();
650     elapsed_usecs += end_time - start_time;
651     fprintf(stderr,"-- stop tracing --\n");
652   }
653   tracing = 0;
654   tbflush_requested = 1;
655   qemu_notify_event();
656 }
657 
658 #ifndef _WIN32
659 /* This is the handler for the SIGUSR1 and SIGUSR2 signals.
660  * SIGUSR1 turns tracing on.  SIGUSR2 turns tracing off.
661  */
sigusr_handler(int sig)662 void sigusr_handler(int sig)
663 {
664   if (sig == SIGUSR1)
665     start_tracing();
666   else
667     stop_tracing();
668 }
669 #endif
670 
671 /* This is the handler to catch control-C so that we can exit cleanly.
672  * This is needed when tracing to flush the buffers to disk.
673  */
sigint_handler(int sig)674 void sigint_handler(int sig)
675 {
676   exit_requested = 1;
677   qemu_notify_event();
678 }
679 #endif /* CONFIG_TRACE */
680 
681 
682 /***********************************************************/
683 /* Bluetooth support */
684 static int nb_hcis;
685 static int cur_hci;
686 static struct HCIInfo *hci_table[MAX_NICS];
687 
688 static struct bt_vlan_s {
689     struct bt_scatternet_s net;
690     int id;
691     struct bt_vlan_s *next;
692 } *first_bt_vlan;
693 
694 /* find or alloc a new bluetooth "VLAN" */
qemu_find_bt_vlan(int id)695 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
696 {
697     struct bt_vlan_s **pvlan, *vlan;
698     for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
699         if (vlan->id == id)
700             return &vlan->net;
701     }
702     vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
703     vlan->id = id;
704     pvlan = &first_bt_vlan;
705     while (*pvlan != NULL)
706         pvlan = &(*pvlan)->next;
707     *pvlan = vlan;
708     return &vlan->net;
709 }
710 
null_hci_send(struct HCIInfo * hci,const uint8_t * data,int len)711 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
712 {
713 }
714 
null_hci_addr_set(struct HCIInfo * hci,const uint8_t * bd_addr)715 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
716 {
717     return -ENOTSUP;
718 }
719 
720 static struct HCIInfo null_hci = {
721     .cmd_send = null_hci_send,
722     .sco_send = null_hci_send,
723     .acl_send = null_hci_send,
724     .bdaddr_set = null_hci_addr_set,
725 };
726 
qemu_next_hci(void)727 struct HCIInfo *qemu_next_hci(void)
728 {
729     if (cur_hci == nb_hcis)
730         return &null_hci;
731 
732     return hci_table[cur_hci++];
733 }
734 
hci_init(const char * str)735 static struct HCIInfo *hci_init(const char *str)
736 {
737     char *endp;
738     struct bt_scatternet_s *vlan = 0;
739 
740     if (!strcmp(str, "null"))
741         /* null */
742         return &null_hci;
743     else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
744         /* host[:hciN] */
745         return bt_host_hci(str[4] ? str + 5 : "hci0");
746     else if (!strncmp(str, "hci", 3)) {
747         /* hci[,vlan=n] */
748         if (str[3]) {
749             if (!strncmp(str + 3, ",vlan=", 6)) {
750                 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
751                 if (*endp)
752                     vlan = 0;
753             }
754         } else
755             vlan = qemu_find_bt_vlan(0);
756         if (vlan)
757            return bt_new_hci(vlan);
758     }
759 
760     fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
761 
762     return 0;
763 }
764 
bt_hci_parse(const char * str)765 static int bt_hci_parse(const char *str)
766 {
767     struct HCIInfo *hci;
768     bdaddr_t bdaddr;
769 
770     if (nb_hcis >= MAX_NICS) {
771         fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
772         return -1;
773     }
774 
775     hci = hci_init(str);
776     if (!hci)
777         return -1;
778 
779     bdaddr.b[0] = 0x52;
780     bdaddr.b[1] = 0x54;
781     bdaddr.b[2] = 0x00;
782     bdaddr.b[3] = 0x12;
783     bdaddr.b[4] = 0x34;
784     bdaddr.b[5] = 0x56 + nb_hcis;
785     hci->bdaddr_set(hci, bdaddr.b);
786 
787     hci_table[nb_hcis++] = hci;
788 
789     return 0;
790 }
791 
bt_vhci_add(int vlan_id)792 static void bt_vhci_add(int vlan_id)
793 {
794     struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
795 
796     if (!vlan->slave)
797         fprintf(stderr, "qemu: warning: adding a VHCI to "
798                         "an empty scatternet %i\n", vlan_id);
799 
800     bt_vhci_init(bt_new_hci(vlan));
801 }
802 
bt_device_add(const char * opt)803 static struct bt_device_s *bt_device_add(const char *opt)
804 {
805     struct bt_scatternet_s *vlan;
806     int vlan_id = 0;
807     char *endp = strstr(opt, ",vlan=");
808     int len = (endp ? endp - opt : strlen(opt)) + 1;
809     char devname[10];
810 
811     pstrcpy(devname, MIN(sizeof(devname), len), opt);
812 
813     if (endp) {
814         vlan_id = strtol(endp + 6, &endp, 0);
815         if (*endp) {
816             fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
817             return 0;
818         }
819     }
820 
821     vlan = qemu_find_bt_vlan(vlan_id);
822 
823     if (!vlan->slave)
824         fprintf(stderr, "qemu: warning: adding a slave device to "
825                         "an empty scatternet %i\n", vlan_id);
826 
827     if (!strcmp(devname, "keyboard"))
828         return bt_keyboard_init(vlan);
829 
830     fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
831     return 0;
832 }
833 
bt_parse(const char * opt)834 static int bt_parse(const char *opt)
835 {
836     const char *endp, *p;
837     int vlan;
838 
839     if (strstart(opt, "hci", &endp)) {
840         if (!*endp || *endp == ',') {
841             if (*endp)
842                 if (!strstart(endp, ",vlan=", 0))
843                     opt = endp + 1;
844 
845             return bt_hci_parse(opt);
846        }
847     } else if (strstart(opt, "vhci", &endp)) {
848         if (!*endp || *endp == ',') {
849             if (*endp) {
850                 if (strstart(endp, ",vlan=", &p)) {
851                     vlan = strtol(p, (char **) &endp, 0);
852                     if (*endp) {
853                         fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
854                         return 1;
855                     }
856                 } else {
857                     fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
858                     return 1;
859                 }
860             } else
861                 vlan = 0;
862 
863             bt_vhci_add(vlan);
864             return 0;
865         }
866     } else if (strstart(opt, "device:", &endp))
867         return !bt_device_add(endp);
868 
869     fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
870     return 1;
871 }
872 
873 /***********************************************************/
874 /* QEMU Block devices */
875 
876 #define HD_ALIAS "index=%d,media=disk"
877 #define CDROM_ALIAS "index=2,media=cdrom"
878 #define FD_ALIAS "index=%d,if=floppy"
879 #define PFLASH_ALIAS "if=pflash"
880 #define MTD_ALIAS "if=mtd"
881 #define SD_ALIAS "index=0,if=sd"
882 
drive_init_func(QemuOpts * opts,void * opaque)883 static int drive_init_func(QemuOpts *opts, void *opaque)
884 {
885     int *use_scsi = opaque;
886     int fatal_error = 0;
887 
888     if (drive_init(opts, *use_scsi, &fatal_error) == NULL) {
889         if (fatal_error)
890             return 1;
891     }
892     return 0;
893 }
894 
drive_enable_snapshot(QemuOpts * opts,void * opaque)895 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
896 {
897     if (NULL == qemu_opt_get(opts, "snapshot")) {
898         qemu_opt_set(opts, "snapshot", "on");
899     }
900     return 0;
901 }
902 
903 #ifdef MAX_DRIVES
drive_opt_get_free_idx(void)904 static int drive_opt_get_free_idx(void)
905 {
906     int index;
907 
908     for (index = 0; index < MAX_DRIVES; index++)
909         if (!drives_opt[index].used) {
910             drives_opt[index].used = 1;
911             return index;
912         }
913 
914     return -1;
915 }
916 
drive_get_free_idx(void)917 static int drive_get_free_idx(void)
918 {
919     int index;
920 
921     for (index = 0; index < MAX_DRIVES; index++)
922         if (!drives_table[index].used) {
923             drives_table[index].used = 1;
924             return index;
925         }
926 
927     return -1;
928 }
929 
drive_add(const char * file,const char * fmt,...)930 int drive_add(const char *file, const char *fmt, ...)
931 {
932     va_list ap;
933     int index = drive_opt_get_free_idx();
934 
935     if (nb_drives_opt >= MAX_DRIVES || index == -1) {
936         fprintf(stderr, "qemu: too many drives\n");
937         return -1;
938     }
939 
940     drives_opt[index].file = file;
941     va_start(ap, fmt);
942     vsnprintf(drives_opt[index].opt,
943               sizeof(drives_opt[0].opt), fmt, ap);
944     va_end(ap);
945 
946     nb_drives_opt++;
947     return index;
948 }
949 
drive_remove(int index)950 void drive_remove(int index)
951 {
952     drives_opt[index].used = 0;
953     nb_drives_opt--;
954 }
955 
drive_get_index(BlockInterfaceType type,int bus,int unit)956 int drive_get_index(BlockInterfaceType type, int bus, int unit)
957 {
958     int index;
959 
960     /* seek interface, bus and unit */
961 
962     for (index = 0; index < MAX_DRIVES; index++)
963         if (drives_table[index].type == type &&
964 	    drives_table[index].bus == bus &&
965 	    drives_table[index].unit == unit &&
966 	    drives_table[index].used)
967         return index;
968 
969     return -1;
970 }
971 
drive_get_max_bus(BlockInterfaceType type)972 int drive_get_max_bus(BlockInterfaceType type)
973 {
974     int max_bus;
975     int index;
976 
977     max_bus = -1;
978     for (index = 0; index < nb_drives; index++) {
979         if(drives_table[index].type == type &&
980            drives_table[index].bus > max_bus)
981             max_bus = drives_table[index].bus;
982     }
983     return max_bus;
984 }
985 
drive_get_serial(BlockDriverState * bdrv)986 const char *drive_get_serial(BlockDriverState *bdrv)
987 {
988     int index;
989 
990     for (index = 0; index < nb_drives; index++)
991         if (drives_table[index].bdrv == bdrv)
992             return drives_table[index].serial;
993 
994     return "\0";
995 }
996 
drive_get_onerror(BlockDriverState * bdrv)997 BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv)
998 {
999     int index;
1000 
1001     for (index = 0; index < nb_drives; index++)
1002         if (drives_table[index].bdrv == bdrv)
1003             return drives_table[index].onerror;
1004 
1005     return BLOCK_ERR_STOP_ENOSPC;
1006 }
1007 
bdrv_format_print(void * opaque,const char * name)1008 static void bdrv_format_print(void *opaque, const char *name)
1009 {
1010     fprintf(stderr, " %s", name);
1011 }
1012 
drive_uninit(BlockDriverState * bdrv)1013 void drive_uninit(BlockDriverState *bdrv)
1014 {
1015     int i;
1016 
1017     for (i = 0; i < MAX_DRIVES; i++)
1018         if (drives_table[i].bdrv == bdrv) {
1019             drives_table[i].bdrv = NULL;
1020             drives_table[i].used = 0;
1021             drive_remove(drives_table[i].drive_opt_idx);
1022             nb_drives--;
1023             break;
1024         }
1025 }
1026 
drive_init(struct drive_opt * arg,int snapshot,void * opaque)1027 int drive_init(struct drive_opt *arg, int snapshot, void *opaque)
1028 {
1029     char buf[128];
1030     char file[1024];
1031     char devname[128];
1032     char serial[21];
1033     const char *mediastr = "";
1034     BlockInterfaceType type;
1035     enum { MEDIA_DISK, MEDIA_CDROM } media;
1036     int bus_id, unit_id;
1037     int cyls, heads, secs, translation;
1038     BlockDriverState *bdrv;
1039     BlockDriver *drv = NULL;
1040     QEMUMachine *machine = opaque;
1041     int max_devs;
1042     int index;
1043     int cache;
1044     int bdrv_flags, onerror;
1045     int drives_table_idx;
1046     char *str = arg->opt;
1047     static const char * const params[] = { "bus", "unit", "if", "index",
1048                                            "cyls", "heads", "secs", "trans",
1049                                            "media", "snapshot", "file",
1050                                            "cache", "format", "serial", "werror",
1051                                            NULL };
1052 
1053     if (check_params(buf, sizeof(buf), params, str) < 0) {
1054          fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
1055                          buf, str);
1056          return -1;
1057     }
1058 
1059     file[0] = 0;
1060     cyls = heads = secs = 0;
1061     bus_id = 0;
1062     unit_id = -1;
1063     translation = BIOS_ATA_TRANSLATION_AUTO;
1064     index = -1;
1065     cache = 3;
1066 
1067     if (machine->use_scsi) {
1068         type = IF_SCSI;
1069         max_devs = MAX_SCSI_DEVS;
1070         pstrcpy(devname, sizeof(devname), "scsi");
1071     } else {
1072         type = IF_IDE;
1073         max_devs = MAX_IDE_DEVS;
1074         pstrcpy(devname, sizeof(devname), "ide");
1075     }
1076     media = MEDIA_DISK;
1077 
1078     /* extract parameters */
1079 
1080     if (get_param_value(buf, sizeof(buf), "bus", str)) {
1081         bus_id = strtol(buf, NULL, 0);
1082 	if (bus_id < 0) {
1083 	    fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
1084 	    return -1;
1085 	}
1086     }
1087 
1088     if (get_param_value(buf, sizeof(buf), "unit", str)) {
1089         unit_id = strtol(buf, NULL, 0);
1090 	if (unit_id < 0) {
1091 	    fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
1092 	    return -1;
1093 	}
1094     }
1095 
1096     if (get_param_value(buf, sizeof(buf), "if", str)) {
1097         pstrcpy(devname, sizeof(devname), buf);
1098         if (!strcmp(buf, "ide")) {
1099 	    type = IF_IDE;
1100             max_devs = MAX_IDE_DEVS;
1101         } else if (!strcmp(buf, "scsi")) {
1102 	    type = IF_SCSI;
1103             max_devs = MAX_SCSI_DEVS;
1104         } else if (!strcmp(buf, "floppy")) {
1105 	    type = IF_FLOPPY;
1106             max_devs = 0;
1107         } else if (!strcmp(buf, "pflash")) {
1108 	    type = IF_PFLASH;
1109             max_devs = 0;
1110 	} else if (!strcmp(buf, "mtd")) {
1111 	    type = IF_MTD;
1112             max_devs = 0;
1113 	} else if (!strcmp(buf, "sd")) {
1114 	    type = IF_SD;
1115             max_devs = 0;
1116         } else if (!strcmp(buf, "virtio")) {
1117             type = IF_VIRTIO;
1118             max_devs = 0;
1119 	} else if (!strcmp(buf, "xen")) {
1120 	    type = IF_XEN;
1121             max_devs = 0;
1122 	} else {
1123             fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
1124             return -1;
1125 	}
1126     }
1127 
1128     if (get_param_value(buf, sizeof(buf), "index", str)) {
1129         index = strtol(buf, NULL, 0);
1130 	if (index < 0) {
1131 	    fprintf(stderr, "qemu: '%s' invalid index\n", str);
1132 	    return -1;
1133 	}
1134     }
1135 
1136     if (get_param_value(buf, sizeof(buf), "cyls", str)) {
1137         cyls = strtol(buf, NULL, 0);
1138     }
1139 
1140     if (get_param_value(buf, sizeof(buf), "heads", str)) {
1141         heads = strtol(buf, NULL, 0);
1142     }
1143 
1144     if (get_param_value(buf, sizeof(buf), "secs", str)) {
1145         secs = strtol(buf, NULL, 0);
1146     }
1147 
1148     if (cyls || heads || secs) {
1149         if (cyls < 1 || cyls > 16383) {
1150             fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
1151 	    return -1;
1152 	}
1153         if (heads < 1 || heads > 16) {
1154             fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
1155 	    return -1;
1156 	}
1157         if (secs < 1 || secs > 63) {
1158             fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
1159 	    return -1;
1160 	}
1161     }
1162 
1163     if (get_param_value(buf, sizeof(buf), "trans", str)) {
1164         if (!cyls) {
1165             fprintf(stderr,
1166                     "qemu: '%s' trans must be used with cyls,heads and secs\n",
1167                     str);
1168             return -1;
1169         }
1170         if (!strcmp(buf, "none"))
1171             translation = BIOS_ATA_TRANSLATION_NONE;
1172         else if (!strcmp(buf, "lba"))
1173             translation = BIOS_ATA_TRANSLATION_LBA;
1174         else if (!strcmp(buf, "auto"))
1175             translation = BIOS_ATA_TRANSLATION_AUTO;
1176 	else {
1177             fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
1178 	    return -1;
1179 	}
1180     }
1181 
1182     if (get_param_value(buf, sizeof(buf), "media", str)) {
1183         if (!strcmp(buf, "disk")) {
1184 	    media = MEDIA_DISK;
1185 	} else if (!strcmp(buf, "cdrom")) {
1186             if (cyls || secs || heads) {
1187                 fprintf(stderr,
1188                         "qemu: '%s' invalid physical CHS format\n", str);
1189 	        return -1;
1190             }
1191 	    media = MEDIA_CDROM;
1192 	} else {
1193 	    fprintf(stderr, "qemu: '%s' invalid media\n", str);
1194 	    return -1;
1195 	}
1196     }
1197 
1198     if (get_param_value(buf, sizeof(buf), "snapshot", str)) {
1199         if (!strcmp(buf, "on"))
1200 	    snapshot = 1;
1201         else if (!strcmp(buf, "off"))
1202 	    snapshot = 0;
1203 	else {
1204 	    fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
1205 	    return -1;
1206 	}
1207     }
1208 
1209     if (get_param_value(buf, sizeof(buf), "cache", str)) {
1210         if (!strcmp(buf, "off") || !strcmp(buf, "none"))
1211             cache = 0;
1212         else if (!strcmp(buf, "writethrough"))
1213             cache = 1;
1214         else if (!strcmp(buf, "writeback"))
1215             cache = 2;
1216         else {
1217            fprintf(stderr, "qemu: invalid cache option\n");
1218            return -1;
1219         }
1220     }
1221 
1222     if (get_param_value(buf, sizeof(buf), "format", str)) {
1223        if (strcmp(buf, "?") == 0) {
1224             fprintf(stderr, "qemu: Supported formats:");
1225             bdrv_iterate_format(bdrv_format_print, NULL);
1226             fprintf(stderr, "\n");
1227 	    return -1;
1228         }
1229         drv = bdrv_find_format(buf);
1230         if (!drv) {
1231             fprintf(stderr, "qemu: '%s' invalid format\n", buf);
1232             return -1;
1233         }
1234     }
1235 
1236     if (arg->file == NULL)
1237         get_param_value(file, sizeof(file), "file", str);
1238     else
1239         pstrcpy(file, sizeof(file), arg->file);
1240 
1241     if (!get_param_value(serial, sizeof(serial), "serial", str))
1242 	    memset(serial, 0,  sizeof(serial));
1243 
1244     onerror = BLOCK_ERR_STOP_ENOSPC;
1245     if (get_param_value(buf, sizeof(serial), "werror", str)) {
1246         if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
1247             fprintf(stderr, "werror is no supported by this format\n");
1248             return -1;
1249         }
1250         if (!strcmp(buf, "ignore"))
1251             onerror = BLOCK_ERR_IGNORE;
1252         else if (!strcmp(buf, "enospc"))
1253             onerror = BLOCK_ERR_STOP_ENOSPC;
1254         else if (!strcmp(buf, "stop"))
1255             onerror = BLOCK_ERR_STOP_ANY;
1256         else if (!strcmp(buf, "report"))
1257             onerror = BLOCK_ERR_REPORT;
1258         else {
1259             fprintf(stderr, "qemu: '%s' invalid write error action\n", buf);
1260             return -1;
1261         }
1262     }
1263 
1264     /* compute bus and unit according index */
1265 
1266     if (index != -1) {
1267         if (bus_id != 0 || unit_id != -1) {
1268             fprintf(stderr,
1269                     "qemu: '%s' index cannot be used with bus and unit\n", str);
1270             return -1;
1271         }
1272         if (max_devs == 0)
1273         {
1274             unit_id = index;
1275             bus_id = 0;
1276         } else {
1277             unit_id = index % max_devs;
1278             bus_id = index / max_devs;
1279         }
1280     }
1281 
1282     /* if user doesn't specify a unit_id,
1283      * try to find the first free
1284      */
1285 
1286     if (unit_id == -1) {
1287        unit_id = 0;
1288        while (drive_get_index(type, bus_id, unit_id) != -1) {
1289            unit_id++;
1290            if (max_devs && unit_id >= max_devs) {
1291                unit_id -= max_devs;
1292                bus_id++;
1293            }
1294        }
1295     }
1296 
1297     /* check unit id */
1298 
1299     if (max_devs && unit_id >= max_devs) {
1300         fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
1301                         str, unit_id, max_devs - 1);
1302         return -1;
1303     }
1304 
1305     /*
1306      * ignore multiple definitions
1307      */
1308 
1309     if (drive_get_index(type, bus_id, unit_id) != -1)
1310         return -2;
1311 
1312     /* init */
1313 
1314     if (type == IF_IDE || type == IF_SCSI)
1315         mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
1316     if (max_devs)
1317         snprintf(buf, sizeof(buf), "%s%i%s%i",
1318                  devname, bus_id, mediastr, unit_id);
1319     else
1320         snprintf(buf, sizeof(buf), "%s%s%i",
1321                  devname, mediastr, unit_id);
1322     bdrv = bdrv_new(buf);
1323     drives_table_idx = drive_get_free_idx();
1324     drives_table[drives_table_idx].bdrv = bdrv;
1325     drives_table[drives_table_idx].type = type;
1326     drives_table[drives_table_idx].bus = bus_id;
1327     drives_table[drives_table_idx].unit = unit_id;
1328     drives_table[drives_table_idx].onerror = onerror;
1329     drives_table[drives_table_idx].drive_opt_idx = arg - drives_opt;
1330     strncpy(drives_table[drives_table_idx].serial, serial, sizeof(serial));
1331     nb_drives++;
1332 
1333     switch(type) {
1334     case IF_IDE:
1335     case IF_SCSI:
1336     case IF_XEN:
1337         switch(media) {
1338 	case MEDIA_DISK:
1339             if (cyls != 0) {
1340                 bdrv_set_geometry_hint(bdrv, cyls, heads, secs);
1341                 bdrv_set_translation_hint(bdrv, translation);
1342             }
1343 	    break;
1344 	case MEDIA_CDROM:
1345             bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
1346 	    break;
1347 	}
1348         break;
1349     case IF_SD:
1350         /* FIXME: This isn't really a floppy, but it's a reasonable
1351            approximation.  */
1352     case IF_FLOPPY:
1353         bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY);
1354         break;
1355     case IF_PFLASH:
1356     case IF_MTD:
1357     case IF_VIRTIO:
1358         break;
1359     case IF_COUNT:
1360     case IF_NONE:
1361         abort();
1362     }
1363     if (!file[0])
1364         return -2;
1365     bdrv_flags = 0;
1366     if (snapshot) {
1367         bdrv_flags |= BDRV_O_SNAPSHOT;
1368         cache = 2; /* always use write-back with snapshot */
1369     }
1370     if (cache == 0) /* no caching */
1371         bdrv_flags |= BDRV_O_NOCACHE;
1372     else if (cache == 2) /* write-back */
1373         bdrv_flags |= BDRV_O_CACHE_WB;
1374     else if (cache == 3) /* not specified */
1375         bdrv_flags |= BDRV_O_CACHE_DEF;
1376     if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0) {
1377         fprintf(stderr, "qemu: could not open disk image %s\n",
1378                         file);
1379         return -1;
1380     }
1381     if (bdrv_key_required(bdrv))
1382         autostart = 0;
1383     return drives_table_idx;
1384 }
1385 #endif /* MAX_DRIVES */
1386 
numa_add(const char * optarg)1387 static void numa_add(const char *optarg)
1388 {
1389     char option[128];
1390     char *endptr;
1391     unsigned long long value, endvalue;
1392     int nodenr;
1393 
1394     optarg = get_opt_name(option, 128, optarg, ',') + 1;
1395     if (!strcmp(option, "node")) {
1396         if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1397             nodenr = nb_numa_nodes;
1398         } else {
1399             nodenr = strtoull(option, NULL, 10);
1400         }
1401 
1402         if (get_param_value(option, 128, "mem", optarg) == 0) {
1403             node_mem[nodenr] = 0;
1404         } else {
1405             value = strtoull(option, &endptr, 0);
1406             switch (*endptr) {
1407             case 0: case 'M': case 'm':
1408                 value <<= 20;
1409                 break;
1410             case 'G': case 'g':
1411                 value <<= 30;
1412                 break;
1413             }
1414             node_mem[nodenr] = value;
1415         }
1416         if (get_param_value(option, 128, "cpus", optarg) == 0) {
1417             node_cpumask[nodenr] = 0;
1418         } else {
1419             value = strtoull(option, &endptr, 10);
1420             if (value >= 64) {
1421                 value = 63;
1422                 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
1423             } else {
1424                 if (*endptr == '-') {
1425                     endvalue = strtoull(endptr+1, &endptr, 10);
1426                     if (endvalue >= 63) {
1427                         endvalue = 62;
1428                         fprintf(stderr,
1429                             "only 63 CPUs in NUMA mode supported.\n");
1430                     }
1431                     value = (1 << (endvalue + 1)) - (1 << value);
1432                 } else {
1433                     value = 1 << value;
1434                 }
1435             }
1436             node_cpumask[nodenr] = value;
1437         }
1438         nb_numa_nodes++;
1439     }
1440     return;
1441 }
1442 
1443 /***********************************************************/
1444 /* USB devices */
1445 
1446 static USBPort *used_usb_ports;
1447 static USBPort *free_usb_ports;
1448 
1449 /* ??? Maybe change this to register a hub to keep track of the topology.  */
qemu_register_usb_port(USBPort * port,void * opaque,int index,usb_attachfn attach)1450 void qemu_register_usb_port(USBPort *port, void *opaque, int index,
1451                             usb_attachfn attach)
1452 {
1453     port->opaque = opaque;
1454     port->index = index;
1455     port->attach = attach;
1456     port->next = free_usb_ports;
1457     free_usb_ports = port;
1458 }
1459 
usb_device_add_dev(USBDevice * dev)1460 int usb_device_add_dev(USBDevice *dev)
1461 {
1462     USBPort *port;
1463 
1464     /* Find a USB port to add the device to.  */
1465     port = free_usb_ports;
1466     if (!port){
1467         USBDevice *hub = usb_hub_init(VM_USB_HUB_SIZE);
1468         port = free_usb_ports;
1469         usb_attach(port, hub);
1470     }
1471     else if (!port->next){
1472         USBDevice *hub;
1473 
1474         /* Create a new hub and chain it on.  */
1475         free_usb_ports = NULL;
1476         port->next = used_usb_ports;
1477         used_usb_ports = port;
1478 
1479         hub = usb_hub_init(VM_USB_HUB_SIZE);
1480         usb_attach(port, hub);
1481         port = free_usb_ports;
1482     }
1483 
1484     free_usb_ports = port->next;
1485     port->next = used_usb_ports;
1486     used_usb_ports = port;
1487     usb_attach(port, dev);
1488     return 0;
1489 }
1490 
1491 #if 0
1492 static void usb_msd_password_cb(void *opaque, int err)
1493 {
1494     USBDevice *dev = opaque;
1495 
1496     if (!err)
1497         usb_device_add_dev(dev);
1498     else
1499         dev->handle_destroy(dev);
1500 }
1501 #endif
1502 
usb_device_add(const char * devname,int is_hotplug)1503 static int usb_device_add(const char *devname, int is_hotplug)
1504 {
1505     const char *p;
1506     USBDevice *dev;
1507 
1508     if (strstart(devname, "host:", &p)) {
1509         dev = usb_host_device_open(p);
1510     } else if (!strcmp(devname, "mouse")) {
1511         dev = usb_mouse_init();
1512     } else if (!strcmp(devname, "tablet")) {
1513         dev = usb_tablet_init();
1514     } else if (!strcmp(devname, "keyboard")) {
1515         dev = usb_keyboard_init();
1516     } else if (strstart(devname, "disk:", &p)) {
1517 #if 0
1518         BlockDriverState *bs;
1519 #endif
1520         dev = usb_msd_init(p);
1521         if (!dev)
1522             return -1;
1523 #if 0
1524         bs = usb_msd_get_bdrv(dev);
1525         if (bdrv_key_required(bs)) {
1526             autostart = 0;
1527             if (is_hotplug) {
1528                 monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb,
1529                                             dev);
1530                 return 0;
1531             }
1532         }
1533     } else if (!strcmp(devname, "wacom-tablet")) {
1534         dev = usb_wacom_init();
1535     } else if (strstart(devname, "serial:", &p)) {
1536         dev = usb_serial_init(p);
1537 #ifdef CONFIG_BRLAPI
1538     } else if (!strcmp(devname, "braille")) {
1539         dev = usb_baum_init();
1540 #endif
1541     } else if (strstart(devname, "net:", &p)) {
1542         int nic = nb_nics;
1543 
1544         if (net_client_init("nic", p) < 0)
1545             return -1;
1546         nd_table[nic].model = "usb";
1547         dev = usb_net_init(&nd_table[nic]);
1548     } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1549         dev = usb_bt_init(devname[2] ? hci_init(p) :
1550                         bt_new_hci(qemu_find_bt_vlan(0)));
1551 #endif
1552     } else {
1553         return -1;
1554     }
1555     if (!dev)
1556         return -1;
1557 
1558     return usb_device_add_dev(dev);
1559 }
1560 
usb_device_del_addr(int bus_num,int addr)1561 int usb_device_del_addr(int bus_num, int addr)
1562 {
1563     USBPort *port;
1564     USBPort **lastp;
1565     USBDevice *dev;
1566 
1567     if (!used_usb_ports)
1568         return -1;
1569 
1570     if (bus_num != 0)
1571         return -1;
1572 
1573     lastp = &used_usb_ports;
1574     port = used_usb_ports;
1575     while (port && port->dev->addr != addr) {
1576         lastp = &port->next;
1577         port = port->next;
1578     }
1579 
1580     if (!port)
1581         return -1;
1582 
1583     dev = port->dev;
1584     *lastp = port->next;
1585     usb_attach(port, NULL);
1586     dev->handle_destroy(dev);
1587     port->next = free_usb_ports;
1588     free_usb_ports = port;
1589     return 0;
1590 }
1591 
usb_device_del(const char * devname)1592 static int usb_device_del(const char *devname)
1593 {
1594     int bus_num, addr;
1595     const char *p;
1596 
1597     if (strstart(devname, "host:", &p))
1598         return usb_host_device_close(p);
1599 
1600     if (!used_usb_ports)
1601         return -1;
1602 
1603     p = strchr(devname, '.');
1604     if (!p)
1605         return -1;
1606     bus_num = strtoul(devname, NULL, 0);
1607     addr = strtoul(p + 1, NULL, 0);
1608 
1609     return usb_device_del_addr(bus_num, addr);
1610 }
1611 
do_usb_add(Monitor * mon,const char * devname)1612 void do_usb_add(Monitor *mon, const char *devname)
1613 {
1614     usb_device_add(devname, 1);
1615 }
1616 
do_usb_del(Monitor * mon,const char * devname)1617 void do_usb_del(Monitor *mon, const char *devname)
1618 {
1619     usb_device_del(devname);
1620 }
1621 
usb_info(Monitor * mon)1622 void usb_info(Monitor *mon)
1623 {
1624     USBDevice *dev;
1625     USBPort *port;
1626     const char *speed_str;
1627 
1628     if (!usb_enabled) {
1629         monitor_printf(mon, "USB support not enabled\n");
1630         return;
1631     }
1632 
1633     for (port = used_usb_ports; port; port = port->next) {
1634         dev = port->dev;
1635         if (!dev)
1636             continue;
1637         switch(dev->speed) {
1638         case USB_SPEED_LOW:
1639             speed_str = "1.5";
1640             break;
1641         case USB_SPEED_FULL:
1642             speed_str = "12";
1643             break;
1644         case USB_SPEED_HIGH:
1645             speed_str = "480";
1646             break;
1647         default:
1648             speed_str = "?";
1649             break;
1650         }
1651         monitor_printf(mon, "  Device %d.%d, Speed %s Mb/s, Product %s\n",
1652                        0, dev->addr, speed_str, dev->devname);
1653     }
1654 }
1655 
1656 /***********************************************************/
1657 /* PCMCIA/Cardbus */
1658 
1659 static struct pcmcia_socket_entry_s {
1660     PCMCIASocket *socket;
1661     struct pcmcia_socket_entry_s *next;
1662 } *pcmcia_sockets = 0;
1663 
pcmcia_socket_register(PCMCIASocket * socket)1664 void pcmcia_socket_register(PCMCIASocket *socket)
1665 {
1666     struct pcmcia_socket_entry_s *entry;
1667 
1668     entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1669     entry->socket = socket;
1670     entry->next = pcmcia_sockets;
1671     pcmcia_sockets = entry;
1672 }
1673 
pcmcia_socket_unregister(PCMCIASocket * socket)1674 void pcmcia_socket_unregister(PCMCIASocket *socket)
1675 {
1676     struct pcmcia_socket_entry_s *entry, **ptr;
1677 
1678     ptr = &pcmcia_sockets;
1679     for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1680         if (entry->socket == socket) {
1681             *ptr = entry->next;
1682             qemu_free(entry);
1683         }
1684 }
1685 
pcmcia_info(Monitor * mon)1686 void pcmcia_info(Monitor *mon)
1687 {
1688     struct pcmcia_socket_entry_s *iter;
1689 
1690     if (!pcmcia_sockets)
1691         monitor_printf(mon, "No PCMCIA sockets\n");
1692 
1693     for (iter = pcmcia_sockets; iter; iter = iter->next)
1694         monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1695                        iter->socket->attached ? iter->socket->card_string :
1696                        "Empty");
1697 }
1698 
1699 /***********************************************************/
1700 /* machine registration */
1701 
1702 static QEMUMachine *first_machine = NULL;
1703 QEMUMachine *current_machine = NULL;
1704 
qemu_register_machine(QEMUMachine * m)1705 int qemu_register_machine(QEMUMachine *m)
1706 {
1707     QEMUMachine **pm;
1708     pm = &first_machine;
1709     while (*pm != NULL)
1710         pm = &(*pm)->next;
1711     m->next = NULL;
1712     *pm = m;
1713     return 0;
1714 }
1715 
find_machine(const char * name)1716 static QEMUMachine *find_machine(const char *name)
1717 {
1718     QEMUMachine *m;
1719 
1720     for(m = first_machine; m != NULL; m = m->next) {
1721         if (!strcmp(m->name, name))
1722             return m;
1723     }
1724     return NULL;
1725 }
1726 
find_default_machine(void)1727 static QEMUMachine *find_default_machine(void)
1728 {
1729     QEMUMachine *m;
1730 
1731     for(m = first_machine; m != NULL; m = m->next) {
1732         if (m->is_default) {
1733             return m;
1734         }
1735     }
1736     return NULL;
1737 }
1738 
1739 /***********************************************************/
1740 /* main execution loop */
1741 
gui_update(void * opaque)1742 static void gui_update(void *opaque)
1743 {
1744     uint64_t interval = GUI_REFRESH_INTERVAL;
1745     DisplayState *ds = opaque;
1746     DisplayChangeListener *dcl = ds->listeners;
1747 
1748     dpy_refresh(ds);
1749 
1750     while (dcl != NULL) {
1751         if (dcl->gui_timer_interval &&
1752             dcl->gui_timer_interval < interval)
1753             interval = dcl->gui_timer_interval;
1754         dcl = dcl->next;
1755     }
1756     qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1757 }
1758 
nographic_update(void * opaque)1759 static void nographic_update(void *opaque)
1760 {
1761     uint64_t interval = GUI_REFRESH_INTERVAL;
1762 
1763     qemu_mod_timer(nographic_timer, interval + qemu_get_clock_ms(rt_clock));
1764 }
1765 
1766 struct vm_change_state_entry {
1767     VMChangeStateHandler *cb;
1768     void *opaque;
1769     QLIST_ENTRY (vm_change_state_entry) entries;
1770 };
1771 
1772 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1773 
qemu_add_vm_change_state_handler(VMChangeStateHandler * cb,void * opaque)1774 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1775                                                      void *opaque)
1776 {
1777     VMChangeStateEntry *e;
1778 
1779     e = qemu_mallocz(sizeof (*e));
1780 
1781     e->cb = cb;
1782     e->opaque = opaque;
1783     QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1784     return e;
1785 }
1786 
qemu_del_vm_change_state_handler(VMChangeStateEntry * e)1787 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1788 {
1789     QLIST_REMOVE (e, entries);
1790     qemu_free (e);
1791 }
1792 
vm_state_notify(int running,int reason)1793 void vm_state_notify(int running, int reason)
1794 {
1795     VMChangeStateEntry *e;
1796 
1797     for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1798         e->cb(e->opaque, running, reason);
1799     }
1800 }
1801 
vm_start(void)1802 void vm_start(void)
1803 {
1804     if (!vm_running) {
1805         cpu_enable_ticks();
1806         vm_running = 1;
1807         vm_state_notify(1, 0);
1808         //qemu_rearm_alarm_timer(alarm_timer);
1809         resume_all_vcpus();
1810     }
1811 }
1812 
1813 /* reset/shutdown handler */
1814 
1815 typedef struct QEMUResetEntry {
1816     QEMUResetHandler *func;
1817     void *opaque;
1818     int order;
1819     struct QEMUResetEntry *next;
1820 } QEMUResetEntry;
1821 
1822 static QEMUResetEntry *first_reset_entry;
1823 static int reset_requested;
1824 static int shutdown_requested, shutdown_signal = -1;
1825 static pid_t shutdown_pid;
1826 static int powerdown_requested;
1827 int debug_requested;
1828 static int vmstop_requested;
1829 
qemu_shutdown_requested(void)1830 int qemu_shutdown_requested(void)
1831 {
1832     int r = shutdown_requested;
1833     shutdown_requested = 0;
1834     return r;
1835 }
1836 
qemu_reset_requested(void)1837 int qemu_reset_requested(void)
1838 {
1839     int r = reset_requested;
1840     reset_requested = 0;
1841     return r;
1842 }
1843 
qemu_powerdown_requested(void)1844 int qemu_powerdown_requested(void)
1845 {
1846     int r = powerdown_requested;
1847     powerdown_requested = 0;
1848     return r;
1849 }
1850 
qemu_debug_requested(void)1851 static int qemu_debug_requested(void)
1852 {
1853     int r = debug_requested;
1854     debug_requested = 0;
1855     return r;
1856 }
1857 
qemu_vmstop_requested(void)1858 static int qemu_vmstop_requested(void)
1859 {
1860     int r = vmstop_requested;
1861     vmstop_requested = 0;
1862     return r;
1863 }
1864 
qemu_register_reset(QEMUResetHandler * func,int order,void * opaque)1865 void qemu_register_reset(QEMUResetHandler *func, int order, void *opaque)
1866 {
1867     QEMUResetEntry **pre, *re;
1868 
1869     pre = &first_reset_entry;
1870     while (*pre != NULL && (*pre)->order >= order) {
1871         pre = &(*pre)->next;
1872     }
1873     re = qemu_mallocz(sizeof(QEMUResetEntry));
1874     re->func = func;
1875     re->opaque = opaque;
1876     re->order = order;
1877     re->next = NULL;
1878     *pre = re;
1879 }
1880 
qemu_system_reset(void)1881 void qemu_system_reset(void)
1882 {
1883     QEMUResetEntry *re;
1884 
1885     /* reset all devices */
1886     for(re = first_reset_entry; re != NULL; re = re->next) {
1887         re->func(re->opaque);
1888     }
1889 }
1890 
qemu_system_reset_request(void)1891 void qemu_system_reset_request(void)
1892 {
1893     if (no_reboot) {
1894         shutdown_requested = 1;
1895     } else {
1896         reset_requested = 1;
1897     }
1898     qemu_notify_event();
1899 }
1900 
qemu_system_killed(int signal,pid_t pid)1901 void qemu_system_killed(int signal, pid_t pid)
1902 {
1903     shutdown_signal = signal;
1904     shutdown_pid = pid;
1905     qemu_system_shutdown_request();
1906 }
1907 
qemu_system_shutdown_request(void)1908 void qemu_system_shutdown_request(void)
1909 {
1910     shutdown_requested = 1;
1911     qemu_notify_event();
1912 }
1913 
qemu_system_powerdown_request(void)1914 void qemu_system_powerdown_request(void)
1915 {
1916     powerdown_requested = 1;
1917     qemu_notify_event();
1918 }
1919 
1920 #ifdef CONFIG_IOTHREAD
qemu_system_vmstop_request(int reason)1921 static void qemu_system_vmstop_request(int reason)
1922 {
1923     vmstop_requested = reason;
1924     qemu_notify_event();
1925 }
1926 #endif
1927 
main_loop_wait(int timeout)1928 void main_loop_wait(int timeout)
1929 {
1930     fd_set rfds, wfds, xfds;
1931     int ret, nfds;
1932     struct timeval tv;
1933 
1934     qemu_bh_update_timeout(&timeout);
1935 
1936     os_host_main_loop_wait(&timeout);
1937 
1938 
1939     tv.tv_sec = timeout / 1000;
1940     tv.tv_usec = (timeout % 1000) * 1000;
1941 
1942     /* poll any events */
1943 
1944     /* XXX: separate device handlers from system ones */
1945     nfds = -1;
1946     FD_ZERO(&rfds);
1947     FD_ZERO(&wfds);
1948     FD_ZERO(&xfds);
1949     qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1950     if (slirp_is_inited()) {
1951         slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1952     }
1953 
1954     qemu_mutex_unlock_iothread();
1955     ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1956     qemu_mutex_lock_iothread();
1957     qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1958     if (slirp_is_inited()) {
1959         if (ret < 0) {
1960             FD_ZERO(&rfds);
1961             FD_ZERO(&wfds);
1962             FD_ZERO(&xfds);
1963         }
1964         slirp_select_poll(&rfds, &wfds, &xfds);
1965     }
1966     charpipe_poll();
1967 
1968     qemu_run_all_timers();
1969 
1970     /* Check bottom-halves last in case any of the earlier events triggered
1971        them.  */
1972     qemu_bh_poll();
1973 
1974 }
1975 
vm_can_run(void)1976 static int vm_can_run(void)
1977 {
1978     if (powerdown_requested)
1979         return 0;
1980     if (reset_requested)
1981         return 0;
1982     if (shutdown_requested)
1983         return 0;
1984     if (debug_requested)
1985         return 0;
1986     return 1;
1987 }
1988 
main_loop(void)1989 static void main_loop(void)
1990 {
1991     int r;
1992 
1993 #ifdef CONFIG_IOTHREAD
1994     qemu_system_ready = 1;
1995     qemu_cond_broadcast(&qemu_system_cond);
1996 #endif
1997 
1998 #ifdef CONFIG_HAX
1999     if (hax_enabled())
2000         hax_sync_vcpus();
2001 #endif
2002 
2003     for (;;) {
2004         do {
2005 #ifdef CONFIG_PROFILER
2006             int64_t ti;
2007 #endif
2008 #ifndef CONFIG_IOTHREAD
2009             tcg_cpu_exec();
2010 #endif
2011 #ifdef CONFIG_PROFILER
2012             ti = profile_getclock();
2013 #endif
2014             main_loop_wait(qemu_calculate_timeout());
2015 #ifdef CONFIG_PROFILER
2016             dev_time += profile_getclock() - ti;
2017 #endif
2018 
2019             if (rotate_logs_requested) {
2020                 FILE* new_dns_log_fd = rotate_qemu_log(get_slirp_dns_log_fd(),
2021                                                         dns_log_filename);
2022                 FILE* new_drop_log_fd = rotate_qemu_log(get_slirp_drop_log_fd(),
2023                                                          drop_log_filename);
2024                 slirp_dns_log_fd(new_dns_log_fd);
2025                 slirp_drop_log_fd(new_drop_log_fd);
2026                 reset_rotate_qemu_logs_request();
2027             }
2028 
2029         } while (vm_can_run());
2030 
2031         if (qemu_debug_requested())
2032             vm_stop(EXCP_DEBUG);
2033         if (qemu_shutdown_requested()) {
2034             if (no_shutdown) {
2035                 vm_stop(0);
2036                 no_shutdown = 0;
2037             } else {
2038                 if (savevm_on_exit != NULL) {
2039                   /* Prior to saving VM to the snapshot file, save HW config
2040                    * settings for that VM, so we can match them when VM gets
2041                    * loaded from the snapshot. */
2042                   snaphost_save_config(savevm_on_exit);
2043                   do_savevm(cur_mon, savevm_on_exit);
2044                 }
2045                 break;
2046             }
2047         }
2048         if (qemu_reset_requested()) {
2049             pause_all_vcpus();
2050             qemu_system_reset();
2051             resume_all_vcpus();
2052         }
2053         if (qemu_powerdown_requested())
2054             qemu_system_powerdown();
2055         if ((r = qemu_vmstop_requested()))
2056             vm_stop(r);
2057     }
2058     pause_all_vcpus();
2059 }
2060 
version(void)2061 void version(void)
2062 {
2063     printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2064 }
2065 
qemu_help(int exitcode)2066 void qemu_help(int exitcode)
2067 {
2068     version();
2069     printf("usage: %s [options] [disk_image]\n"
2070            "\n"
2071            "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2072            "\n"
2073 #define DEF(option, opt_arg, opt_enum, opt_help)        \
2074            opt_help
2075 #define DEFHEADING(text) stringify(text) "\n"
2076 #include "qemu-options.def"
2077 #undef DEF
2078 #undef DEFHEADING
2079 #undef GEN_DOCS
2080            "\n"
2081            "During emulation, the following keys are useful:\n"
2082            "ctrl-alt-f      toggle full screen\n"
2083            "ctrl-alt-n      switch to virtual console 'n'\n"
2084            "ctrl-alt        toggle mouse and keyboard grab\n"
2085            "\n"
2086            "When using -nographic, press 'ctrl-a h' to get some help.\n"
2087            ,
2088            "qemu",
2089            DEFAULT_RAM_SIZE,
2090 #ifndef _WIN32
2091            DEFAULT_NETWORK_SCRIPT,
2092            DEFAULT_NETWORK_DOWN_SCRIPT,
2093 #endif
2094            DEFAULT_GDBSTUB_PORT,
2095            "/tmp/qemu.log");
2096     QEMU_EXIT(exitcode);
2097 }
2098 
2099 #define HAS_ARG 0x0001
2100 
2101 enum {
2102 #define DEF(option, opt_arg, opt_enum, opt_help)        \
2103     opt_enum,
2104 #define DEFHEADING(text)
2105 #include "qemu-options.def"
2106 #undef DEF
2107 #undef DEFHEADING
2108 #undef GEN_DOCS
2109 };
2110 
2111 typedef struct QEMUOption {
2112     const char *name;
2113     int flags;
2114     int index;
2115 } QEMUOption;
2116 
2117 static const QEMUOption qemu_options[] = {
2118     { "h", 0, QEMU_OPTION_h },
2119 #define DEF(option, opt_arg, opt_enum, opt_help)        \
2120     { option, opt_arg, opt_enum },
2121 #define DEFHEADING(text)
2122 #include "qemu-options.def"
2123 #undef DEF
2124 #undef DEFHEADING
2125 #undef GEN_DOCS
2126     { NULL, 0, 0 },
2127 };
2128 
select_vgahw(const char * p)2129 static void select_vgahw (const char *p)
2130 {
2131     const char *opts;
2132 
2133     cirrus_vga_enabled = 0;
2134     std_vga_enabled = 0;
2135     vmsvga_enabled = 0;
2136     xenfb_enabled = 0;
2137     if (strstart(p, "std", &opts)) {
2138         std_vga_enabled = 1;
2139     } else if (strstart(p, "cirrus", &opts)) {
2140         cirrus_vga_enabled = 1;
2141     } else if (strstart(p, "vmware", &opts)) {
2142         vmsvga_enabled = 1;
2143     } else if (strstart(p, "xenfb", &opts)) {
2144         xenfb_enabled = 1;
2145     } else if (!strstart(p, "none", &opts)) {
2146     invalid_vga:
2147         PANIC("Unknown vga type: %s", p);
2148     }
2149     while (*opts) {
2150         const char *nextopt;
2151 
2152         if (strstart(opts, ",retrace=", &nextopt)) {
2153             opts = nextopt;
2154             if (strstart(opts, "dumb", &nextopt))
2155                 vga_retrace_method = VGA_RETRACE_DUMB;
2156             else if (strstart(opts, "precise", &nextopt))
2157                 vga_retrace_method = VGA_RETRACE_PRECISE;
2158             else goto invalid_vga;
2159         } else goto invalid_vga;
2160         opts = nextopt;
2161     }
2162 }
2163 
2164 #define MAX_NET_CLIENTS 32
2165 
2166 #ifdef _WIN32
2167 /* Look for support files in the same directory as the executable.  */
find_datadir(const char * argv0)2168 static char *find_datadir(const char *argv0)
2169 {
2170     char *p;
2171     char buf[MAX_PATH];
2172     DWORD len;
2173 
2174     len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
2175     if (len == 0) {
2176         return NULL;
2177     }
2178 
2179     buf[len] = 0;
2180     p = buf + len - 1;
2181     while (p != buf && *p != '\\')
2182         p--;
2183     *p = 0;
2184     if (access(buf, R_OK) == 0) {
2185         return qemu_strdup(buf);
2186     }
2187     return NULL;
2188 }
2189 #else /* !_WIN32 */
2190 
2191 /* Similarly, return the location of the executable */
find_datadir(const char * argv0)2192 static char *find_datadir(const char *argv0)
2193 {
2194     char *p = NULL;
2195     char buf[PATH_MAX];
2196 
2197 #if defined(__linux__)
2198     {
2199         int len;
2200         len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
2201         if (len > 0) {
2202             buf[len] = 0;
2203             p = buf;
2204         }
2205     }
2206 #elif defined(__FreeBSD__)
2207     {
2208         int len;
2209         len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1);
2210         if (len > 0) {
2211             buf[len] = 0;
2212             p = buf;
2213         }
2214     }
2215 #endif
2216     /* If we don't have any way of figuring out the actual executable
2217        location then try argv[0].  */
2218     if (!p) {
2219         p = realpath(argv0, buf);
2220         if (!p) {
2221             return NULL;
2222         }
2223     }
2224 
2225     return qemu_strdup(dirname(buf));
2226 }
2227 #endif
2228 
2229 static char*
qemu_find_file_with_subdir(const char * data_dir,const char * subdir,const char * name)2230 qemu_find_file_with_subdir(const char* data_dir, const char* subdir, const char* name)
2231 {
2232     int   len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2233     char* buf = qemu_mallocz(len);
2234 
2235     snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2236     VERBOSE_PRINT(init,"    trying to find: %s\n", buf);
2237     if (access(buf, R_OK)) {
2238         qemu_free(buf);
2239         return NULL;
2240     }
2241     return buf;
2242 }
2243 
qemu_find_file(int type,const char * name)2244 char *qemu_find_file(int type, const char *name)
2245 {
2246     const char *subdir;
2247     char *buf;
2248 
2249     /* If name contains path separators then try it as a straight path.  */
2250     if ((strchr(name, '/') || strchr(name, '\\'))
2251         && access(name, R_OK) == 0) {
2252         return strdup(name);
2253     }
2254     switch (type) {
2255     case QEMU_FILE_TYPE_BIOS:
2256         subdir = "";
2257         break;
2258     case QEMU_FILE_TYPE_KEYMAP:
2259         subdir = "keymaps/";
2260         break;
2261     default:
2262         abort();
2263     }
2264     buf = qemu_find_file_with_subdir(data_dir, subdir, name);
2265 #ifdef CONFIG_ANDROID
2266     if (type == QEMU_FILE_TYPE_BIOS) {
2267         /* This case corresponds to the emulator being used as part of an
2268          * SDK installation. NOTE: data_dir is really $bindir. */
2269         if (buf == NULL)
2270             buf = qemu_find_file_with_subdir(data_dir, "lib/pc-bios/", name);
2271         /* This case corresponds to platform builds. */
2272         if (buf == NULL)
2273             buf = qemu_find_file_with_subdir(data_dir, "../usr/share/pc-bios/", name);
2274         /* Finally, try this for standalone builds under external/qemu */
2275         if (buf == NULL)
2276             buf = qemu_find_file_with_subdir(data_dir, "../../../prebuilts/qemu-kernel/x86/pc-bios/", name);
2277     }
2278 #endif
2279     return buf;
2280 }
2281 
2282 static int
add_dns_server(const char * server_name)2283 add_dns_server( const char*  server_name )
2284 {
2285     SockAddress   addr;
2286 
2287     if (sock_address_init_resolve( &addr, server_name, 55, 0 ) < 0) {
2288         fprintf(stdout,
2289                 "### WARNING: can't resolve DNS server name '%s'\n",
2290                 server_name );
2291         return -1;
2292     }
2293 
2294     fprintf(stderr,
2295             "DNS server name '%s' resolved to %s\n", server_name, sock_address_to_string(&addr) );
2296 
2297     if ( slirp_add_dns_server( &addr ) < 0 ) {
2298         fprintf(stderr,
2299                 "### WARNING: could not add DNS server '%s' to the network stack\n", server_name);
2300         return -1;
2301     }
2302     return 0;
2303 }
2304 
2305 /* Parses an integer
2306  * Pararm:
2307  *  str      String containing a number to be parsed.
2308  *  result   Passes the parsed integer in this argument
2309  *  returns  0 if ok, -1 if failed
2310  */
2311 int
parse_int(const char * str,int * result)2312 parse_int(const char *str, int *result)
2313 {
2314     char* r;
2315     *result = strtol(str, &r, 0);
2316     if (r == NULL || *r != '\0')
2317       return -1;
2318 
2319     return 0;
2320 }
2321 
2322 #ifndef _WIN32
2323 /*
2324  * Initializes the SIGUSR1 signal handler to clear Qemu logs.
2325  */
init_qemu_clear_logs_sig()2326 void init_qemu_clear_logs_sig() {
2327   struct sigaction act;
2328   sigfillset(&act.sa_mask);
2329   act.sa_flags = 0;
2330   act.sa_handler = rotate_qemu_logs_handler;
2331   if (sigaction(SIGUSR1, &act, NULL) == -1) {
2332     fprintf(stderr, "Failed to setup SIGUSR1 handler to clear Qemu logs\n");
2333     exit(-1);
2334   }
2335 }
2336 #endif
2337 
2338 
2339 
2340 /* parses a null-terminated string specifying a network port (e.g., "80") or
2341  * port range (e.g., "[6666-7000]"). In case of a single port, lport and hport
2342  * are the same. Returns 0 on success, -1 on error. */
2343 
parse_port_range(const char * str,unsigned short * lport,unsigned short * hport)2344 int parse_port_range(const char *str, unsigned short *lport,
2345                      unsigned short *hport) {
2346 
2347   unsigned int low = 0, high = 0;
2348   char *p, *arg = strdup(str);
2349 
2350   if ((*arg == '[') && ((p = strrchr(arg, ']')) != NULL)) {
2351     p = arg + 1;   /* skip '[' */
2352     low  = atoi(strtok(p, "-"));
2353     high = atoi(strtok(NULL, "-"));
2354     if ((low > 0) && (high > 0) && (low < high) && (high < 65535)) {
2355       *lport = low;
2356       *hport = high;
2357     }
2358   }
2359   else {
2360     low = atoi(arg);
2361     if ((0 < low) && (low < 65535)) {
2362       *lport = low;
2363       *hport = low;
2364     }
2365   }
2366   free(arg);
2367   if (low != 0)
2368     return 0;
2369   return -1;
2370 }
2371 
2372 /*
2373  * Implements the generic port forwarding option
2374  */
2375 void
net_slirp_forward(const char * optarg)2376 net_slirp_forward(const char *optarg)
2377 {
2378     /*
2379      * we expect the following format:
2380      * dst_net:dst_mask:dst_port:redirect_ip:redirect_port OR
2381      * dst_net:dst_mask:[dp_range_start-dp_range_end]:redirect_ip:redirect_port
2382      */
2383     char *argument = strdup(optarg), *p = argument;
2384     char *dst_net, *dst_mask, *dst_port;
2385     char *redirect_ip, *redirect_port;
2386     uint32_t dnet, dmask, rip;
2387     unsigned short dlport = 0, dhport = 0, rport;
2388 
2389 
2390     dst_net = strtok(p, ":");
2391     dst_mask = strtok(NULL, ":");
2392     dst_port = strtok(NULL, ":");
2393     redirect_ip = strtok(NULL, ":");
2394     redirect_port = strtok(NULL, ":");
2395 
2396     if (dst_net == NULL || dst_mask == NULL || dst_port == NULL ||
2397         redirect_ip == NULL || redirect_port == NULL) {
2398         fprintf(stderr,
2399                 "Invalid argument for -net-forward, we expect "
2400                 "dst_net:dst_mask:dst_port:redirect_ip:redirect_port or "
2401                 "dst_net:dst_mask:[dp_range_start-dp_range_end]"
2402                 ":redirect_ip:redirect_port: %s\n",
2403                 optarg);
2404         exit(1);
2405     }
2406 
2407     /* inet_strtoip converts dotted address to host byte order */
2408     if (inet_strtoip(dst_net, &dnet) == -1) {
2409         fprintf(stderr, "Invalid destination IP net: %s\n", dst_net);
2410         exit(1);
2411     }
2412     if (inet_strtoip(dst_mask, &dmask) == -1) {
2413         fprintf(stderr, "Invalid destination IP mask: %s\n", dst_mask);
2414         exit(1);
2415     }
2416     if (inet_strtoip(redirect_ip, &rip) == -1) {
2417         fprintf(stderr, "Invalid redirect IP address: %s\n", redirect_ip);
2418         exit(1);
2419     }
2420 
2421     if (parse_port_range(dst_port, &dlport, &dhport) == -1) {
2422         fprintf(stderr, "Invalid destination port or port range\n");
2423         exit(1);
2424     }
2425 
2426     rport = atoi(redirect_port);
2427     if (!rport) {
2428         fprintf(stderr, "Invalid redirect port: %s\n", redirect_port);
2429         exit(1);
2430     }
2431 
2432     dnet &= dmask;
2433 
2434     slirp_add_net_forward(dnet, dmask, dlport, dhport,
2435                           rip, rport);
2436 
2437     free(argument);
2438 }
2439 
2440 
2441 /* Parses an -allow-tcp or -allow-udp argument and inserts a corresponding
2442  * entry in the allows list */
2443 void
slirp_allow(const char * optarg,u_int8_t proto)2444 slirp_allow(const char *optarg, u_int8_t proto)
2445 {
2446   /*
2447    * we expect the following format:
2448    * dst_ip:dst_port OR dst_ip:[dst_lport-dst_hport]
2449    */
2450   char *argument = strdup(optarg), *p = argument;
2451   char *dst_ip_str, *dst_port_str;
2452   uint32_t dst_ip;
2453   unsigned short dst_lport = 0, dst_hport = 0;
2454 
2455   dst_ip_str = strtok(p, ":");
2456   dst_port_str = strtok(NULL, ":");
2457 
2458   if (dst_ip_str == NULL || dst_port_str == NULL) {
2459     fprintf(stderr,
2460             "Invalid argument %s for -allow. We expect "
2461             "dst_ip:dst_port or dst_ip:[dst_lport-dst_hport]\n",
2462             optarg);
2463     exit(1);
2464   }
2465 
2466   if (inet_strtoip(dst_ip_str, &dst_ip) == -1) {
2467     fprintf(stderr, "Invalid destination IP address: %s\n", dst_ip_str);
2468     exit(1);
2469   }
2470   if (parse_port_range(dst_port_str, &dst_lport, &dst_hport) == -1) {
2471     fprintf(stderr, "Invalid destination port or port range\n");
2472     exit(1);
2473   }
2474 
2475   slirp_add_allow(dst_ip, dst_lport, dst_hport, proto);
2476 
2477   free(argument);
2478 }
2479 
2480 /* Add a serial device at a given location in the emulated hardware table.
2481  * On failure, this function aborts the program with an error message.
2482  */
2483 static void
serial_hds_add_at(int index,const char * devname)2484 serial_hds_add_at(int  index, const char* devname)
2485 {
2486     char label[32];
2487 
2488     if (!devname || !strcmp(devname,"none"))
2489         return;
2490 
2491     if (index >= MAX_SERIAL_PORTS) {
2492         PANIC("qemu: invalid serial index for %s (%d >= %d)",
2493               devname, index, MAX_SERIAL_PORTS);
2494     }
2495     if (serial_hds[index] != NULL) {
2496         PANIC("qemu: invalid serial index for %s (%d: already taken!)",
2497               devname, index);
2498     }
2499     snprintf(label, sizeof(label), "serial%d", index);
2500     serial_hds[index] = qemu_chr_open(label, devname, NULL);
2501     if (!serial_hds[index]) {
2502         PANIC("qemu: could not open serial device '%s'", devname);
2503     }
2504 }
2505 
2506 
2507 /* Find a free slot in the emulated serial device table, and register
2508  * it. Return the allocated table index.
2509  */
2510 static int
serial_hds_add(const char * devname)2511 serial_hds_add(const char* devname)
2512 {
2513     int  index;
2514 
2515     /* Find first free slot */
2516     for (index = 0; index < MAX_SERIAL_PORTS; index++) {
2517         if (serial_hds[index] == NULL) {
2518             serial_hds_add_at(index, devname);
2519             return index;
2520         }
2521     }
2522 
2523     PANIC("qemu: too many serial devices registered (%d)", index);
2524     return -1;  /* shouldn't happen */
2525 }
2526 
main(int argc,char ** argv,char ** envp)2527 int main(int argc, char **argv, char **envp)
2528 {
2529     const char *gdbstub_dev = NULL;
2530     uint32_t boot_devices_bitmap = 0;
2531     int i;
2532     int snapshot, linux_boot, net_boot;
2533     const char *icount_option = NULL;
2534     const char *initrd_filename;
2535     const char *kernel_filename, *kernel_cmdline;
2536     const char *boot_devices = "";
2537     DisplayState *ds;
2538     DisplayChangeListener *dcl;
2539     int cyls, heads, secs, translation;
2540     QemuOpts *hda_opts = NULL;
2541     QemuOpts *hdb_opts = NULL;
2542     const char *net_clients[MAX_NET_CLIENTS];
2543     int nb_net_clients;
2544     const char *bt_opts[MAX_BT_CMDLINE];
2545     int nb_bt_opts;
2546     int optind;
2547     const char *r, *optarg;
2548     CharDriverState *monitor_hd = NULL;
2549     const char *monitor_device;
2550     const char *serial_devices[MAX_SERIAL_PORTS];
2551     int serial_device_index;
2552     const char *parallel_devices[MAX_PARALLEL_PORTS];
2553     int parallel_device_index;
2554     const char *virtio_consoles[MAX_VIRTIO_CONSOLES];
2555     int virtio_console_index;
2556     const char *loadvm = NULL;
2557     QEMUMachine *machine;
2558     const char *cpu_model;
2559     const char *usb_devices[MAX_USB_CMDLINE];
2560     int usb_devices_index;
2561     int tb_size;
2562     const char *pid_file = NULL;
2563     const char *incoming = NULL;
2564     CPUState *env;
2565     int show_vnc_port = 0;
2566     IniFile*  hw_ini = NULL;
2567     STRALLOC_DEFINE(kernel_params);
2568     STRALLOC_DEFINE(kernel_config);
2569     int    dns_count = 0;
2570 
2571     /* Initialize sockets before anything else, so we can properly report
2572      * initialization failures back to the UI. */
2573 #ifdef _WIN32
2574     socket_init();
2575 #endif
2576 
2577     init_clocks();
2578 
2579     qemu_cache_utils_init(envp);
2580 
2581     QLIST_INIT (&vm_change_state_head);
2582     os_setup_early_signal_handling();
2583 
2584     module_call_init(MODULE_INIT_MACHINE);
2585     machine = find_default_machine();
2586     cpu_model = NULL;
2587     initrd_filename = NULL;
2588     ram_size = 0;
2589     snapshot = 0;
2590     kernel_filename = NULL;
2591     kernel_cmdline = "";
2592 
2593     cyls = heads = secs = 0;
2594     translation = BIOS_ATA_TRANSLATION_AUTO;
2595     monitor_device = "vc:80Cx24C";
2596 
2597     serial_devices[0] = "vc:80Cx24C";
2598     for(i = 1; i < MAX_SERIAL_PORTS; i++)
2599         serial_devices[i] = NULL;
2600     serial_device_index = 0;
2601 
2602     parallel_devices[0] = "vc:80Cx24C";
2603     for(i = 1; i < MAX_PARALLEL_PORTS; i++)
2604         parallel_devices[i] = NULL;
2605     parallel_device_index = 0;
2606 
2607     for(i = 0; i < MAX_VIRTIO_CONSOLES; i++)
2608         virtio_consoles[i] = NULL;
2609     virtio_console_index = 0;
2610 
2611     for (i = 0; i < MAX_NODES; i++) {
2612         node_mem[i] = 0;
2613         node_cpumask[i] = 0;
2614     }
2615 
2616     usb_devices_index = 0;
2617 
2618     nb_net_clients = 0;
2619     nb_bt_opts = 0;
2620 #ifdef MAX_DRIVES
2621     nb_drives = 0;
2622     nb_drives_opt = 0;
2623 #endif
2624     nb_numa_nodes = 0;
2625 
2626     nb_nics = 0;
2627 
2628     tb_size = 0;
2629     autostart= 1;
2630 
2631     register_watchdogs();
2632 
2633     /* Initialize boot properties. */
2634     boot_property_init_service();
2635     android_hw_control_init();
2636     android_net_pipes_init();
2637 
2638 #ifdef CONFIG_KVM
2639     /* By default, force auto-detection for kvm */
2640     kvm_allowed = -1;
2641 #endif
2642 
2643     optind = 1;
2644     for(;;) {
2645         if (optind >= argc)
2646             break;
2647         r = argv[optind];
2648         if (r[0] != '-') {
2649             hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
2650         } else {
2651             const QEMUOption *popt;
2652 
2653             optind++;
2654             /* Treat --foo the same as -foo.  */
2655             if (r[1] == '-')
2656                 r++;
2657             popt = qemu_options;
2658             for(;;) {
2659                 if (!popt->name) {
2660                     PANIC("%s: invalid option -- '%s'",
2661                                       argv[0], r);
2662                 }
2663                 if (!strcmp(popt->name, r + 1))
2664                     break;
2665                 popt++;
2666             }
2667             if (popt->flags & HAS_ARG) {
2668                 if (optind >= argc) {
2669                     PANIC("%s: option '%s' requires an argument",
2670                                       argv[0], r);
2671                 }
2672                 optarg = argv[optind++];
2673             } else {
2674                 optarg = NULL;
2675             }
2676 
2677             switch(popt->index) {
2678             case QEMU_OPTION_M:
2679                 machine = find_machine(optarg);
2680                 if (!machine) {
2681                     QEMUMachine *m;
2682                     printf("Supported machines are:\n");
2683                     for(m = first_machine; m != NULL; m = m->next) {
2684                         printf("%-10s %s%s\n",
2685                                m->name, m->desc,
2686                                m->is_default ? " (default)" : "");
2687                     }
2688                     if (*optarg != '?') {
2689                         PANIC("Invalid machine parameter: %s",
2690                                           optarg);
2691                     } else {
2692                         QEMU_EXIT(0);
2693                     }
2694                 }
2695                 break;
2696             case QEMU_OPTION_cpu:
2697                 /* hw initialization will check this */
2698                 if (*optarg == '?') {
2699 /* XXX: implement xxx_cpu_list for targets that still miss it */
2700 #if defined(cpu_list)
2701                     cpu_list(stdout, &fprintf);
2702 #endif
2703                     QEMU_EXIT(0);
2704                 } else {
2705                     cpu_model = optarg;
2706                 }
2707                 break;
2708             case QEMU_OPTION_initrd:
2709                 initrd_filename = optarg;
2710                 break;
2711             case QEMU_OPTION_hda:
2712                 if (cyls == 0)
2713                     hda_opts = drive_add(optarg, HD_ALIAS, 0);
2714                 else
2715                     hda_opts = drive_add(optarg, HD_ALIAS
2716 			     ",cyls=%d,heads=%d,secs=%d%s",
2717                              0, cyls, heads, secs,
2718                              translation == BIOS_ATA_TRANSLATION_LBA ?
2719                                  ",trans=lba" :
2720                              translation == BIOS_ATA_TRANSLATION_NONE ?
2721                                  ",trans=none" : "");
2722                  break;
2723             case QEMU_OPTION_hdb:
2724                 hdb_opts = drive_add(optarg, HD_ALIAS, 1);
2725                 break;
2726 
2727             case QEMU_OPTION_hdc:
2728             case QEMU_OPTION_hdd:
2729                 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
2730                 break;
2731             case QEMU_OPTION_drive:
2732                 drive_add(NULL, "%s", optarg);
2733 	        break;
2734             case QEMU_OPTION_mtdblock:
2735                 drive_add(optarg, MTD_ALIAS);
2736                 break;
2737             case QEMU_OPTION_sd:
2738                 drive_add(optarg, SD_ALIAS);
2739                 break;
2740             case QEMU_OPTION_pflash:
2741                 drive_add(optarg, PFLASH_ALIAS);
2742                 break;
2743             case QEMU_OPTION_snapshot:
2744                 snapshot = 1;
2745                 break;
2746             case QEMU_OPTION_hdachs:
2747                 {
2748                     const char *p;
2749                     p = optarg;
2750                     cyls = strtol(p, (char **)&p, 0);
2751                     if (cyls < 1 || cyls > 16383)
2752                         goto chs_fail;
2753                     if (*p != ',')
2754                         goto chs_fail;
2755                     p++;
2756                     heads = strtol(p, (char **)&p, 0);
2757                     if (heads < 1 || heads > 16)
2758                         goto chs_fail;
2759                     if (*p != ',')
2760                         goto chs_fail;
2761                     p++;
2762                     secs = strtol(p, (char **)&p, 0);
2763                     if (secs < 1 || secs > 63)
2764                         goto chs_fail;
2765                     if (*p == ',') {
2766                         p++;
2767                         if (!strcmp(p, "none"))
2768                             translation = BIOS_ATA_TRANSLATION_NONE;
2769                         else if (!strcmp(p, "lba"))
2770                             translation = BIOS_ATA_TRANSLATION_LBA;
2771                         else if (!strcmp(p, "auto"))
2772                             translation = BIOS_ATA_TRANSLATION_AUTO;
2773                         else
2774                             goto chs_fail;
2775                     } else if (*p != '\0') {
2776                     chs_fail:
2777                         PANIC("qemu: invalid physical CHS format");
2778                     }
2779 		    if (hda_opts != NULL) {
2780                         char num[16];
2781                         snprintf(num, sizeof(num), "%d", cyls);
2782                         qemu_opt_set(hda_opts, "cyls", num);
2783                         snprintf(num, sizeof(num), "%d", heads);
2784                         qemu_opt_set(hda_opts, "heads", num);
2785                         snprintf(num, sizeof(num), "%d", secs);
2786                         qemu_opt_set(hda_opts, "secs", num);
2787                         if (translation == BIOS_ATA_TRANSLATION_LBA)
2788                             qemu_opt_set(hda_opts, "trans", "lba");
2789                         if (translation == BIOS_ATA_TRANSLATION_NONE)
2790                             qemu_opt_set(hda_opts, "trans", "none");
2791                     }
2792                 }
2793                 break;
2794             case QEMU_OPTION_numa:
2795                 if (nb_numa_nodes >= MAX_NODES) {
2796                     PANIC("qemu: too many NUMA nodes");
2797                 }
2798                 numa_add(optarg);
2799                 break;
2800             case QEMU_OPTION_nographic:
2801                 display_type = DT_NOGRAPHIC;
2802                 break;
2803 #ifdef CONFIG_CURSES
2804             case QEMU_OPTION_curses:
2805                 display_type = DT_CURSES;
2806                 break;
2807 #endif
2808             case QEMU_OPTION_portrait:
2809                 graphic_rotate = 1;
2810                 break;
2811             case QEMU_OPTION_kernel:
2812                 kernel_filename = optarg;
2813                 break;
2814             case QEMU_OPTION_append:
2815                 kernel_cmdline = optarg;
2816                 break;
2817             case QEMU_OPTION_cdrom:
2818                 drive_add(optarg, CDROM_ALIAS);
2819                 break;
2820             case QEMU_OPTION_boot:
2821                 boot_devices = optarg;
2822                 /* We just do some generic consistency checks */
2823                 {
2824                     /* Could easily be extended to 64 devices if needed */
2825                     const char *p;
2826 
2827                     boot_devices_bitmap = 0;
2828                     for (p = boot_devices; *p != '\0'; p++) {
2829                         /* Allowed boot devices are:
2830                          * a b     : floppy disk drives
2831                          * c ... f : IDE disk drives
2832                          * g ... m : machine implementation dependant drives
2833                          * n ... p : network devices
2834                          * It's up to each machine implementation to check
2835                          * if the given boot devices match the actual hardware
2836                          * implementation and firmware features.
2837                          */
2838                         if (*p < 'a' || *p > 'q') {
2839                             PANIC("Invalid boot device '%c'", *p);
2840                         }
2841                         if (boot_devices_bitmap & (1 << (*p - 'a'))) {
2842                             PANIC(
2843                                     "Boot device '%c' was given twice",*p);
2844                         }
2845                         boot_devices_bitmap |= 1 << (*p - 'a');
2846                     }
2847                 }
2848                 break;
2849             case QEMU_OPTION_fda:
2850             case QEMU_OPTION_fdb:
2851                 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
2852                 break;
2853 #ifdef TARGET_I386
2854             case QEMU_OPTION_no_fd_bootchk:
2855                 fd_bootchk = 0;
2856                 break;
2857 #endif
2858             case QEMU_OPTION_net:
2859                 if (nb_net_clients >= MAX_NET_CLIENTS) {
2860                     PANIC("qemu: too many network clients");
2861                 }
2862                 net_clients[nb_net_clients] = optarg;
2863                 nb_net_clients++;
2864                 break;
2865 #ifdef CONFIG_SLIRP
2866             case QEMU_OPTION_tftp:
2867 		tftp_prefix = optarg;
2868                 break;
2869             case QEMU_OPTION_bootp:
2870                 bootp_filename = optarg;
2871                 break;
2872             case QEMU_OPTION_redir:
2873                 net_slirp_redir(NULL, optarg, NULL);
2874                 break;
2875 #endif
2876             case QEMU_OPTION_bt:
2877                 if (nb_bt_opts >= MAX_BT_CMDLINE) {
2878                     PANIC("qemu: too many bluetooth options");
2879                 }
2880                 bt_opts[nb_bt_opts++] = optarg;
2881                 break;
2882 #ifdef HAS_AUDIO
2883             case QEMU_OPTION_audio_help:
2884                 AUD_help ();
2885                 QEMU_EXIT(0);
2886                 break;
2887             case QEMU_OPTION_soundhw:
2888                 select_soundhw (optarg);
2889                 break;
2890 #endif
2891             case QEMU_OPTION_h:
2892                 qemu_help(0);
2893                 break;
2894             case QEMU_OPTION_version:
2895                 version();
2896                 QEMU_EXIT(0);
2897                 break;
2898             case QEMU_OPTION_m: {
2899                 uint64_t value;
2900                 char *ptr;
2901 
2902                 value = strtoul(optarg, &ptr, 10);
2903                 switch (*ptr) {
2904                 case 0: case 'M': case 'm':
2905                     value <<= 20;
2906                     break;
2907                 case 'G': case 'g':
2908                     value <<= 30;
2909                     break;
2910                 default:
2911                     PANIC("qemu: invalid ram size: %s", optarg);
2912                 }
2913 
2914                 /* On 32-bit hosts, QEMU is limited by virtual address space */
2915                 if (value > (2047 << 20)
2916 #ifndef CONFIG_KQEMU
2917                     && HOST_LONG_BITS == 32
2918 #endif
2919                     ) {
2920                     PANIC("qemu: at most 2047 MB RAM can be simulated");
2921                 }
2922                 if (value != (uint64_t)(ram_addr_t)value) {
2923                     PANIC("qemu: ram size too large");
2924                 }
2925                 ram_size = value;
2926                 break;
2927             }
2928             case QEMU_OPTION_d:
2929                 {
2930                     int mask;
2931                     const CPULogItem *item;
2932 
2933                     mask = cpu_str_to_log_mask(optarg);
2934                     if (!mask) {
2935                         printf("Log items (comma separated):\n");
2936                         for(item = cpu_log_items; item->mask != 0; item++) {
2937                             printf("%-10s %s\n", item->name, item->help);
2938                         }
2939                         PANIC("Invalid parameter -d=%s", optarg);
2940                     }
2941                     cpu_set_log(mask);
2942                 }
2943                 break;
2944             case QEMU_OPTION_s:
2945                 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2946                 break;
2947             case QEMU_OPTION_gdb:
2948                 gdbstub_dev = optarg;
2949                 break;
2950             case QEMU_OPTION_L:
2951                 data_dir = optarg;
2952                 break;
2953             case QEMU_OPTION_bios:
2954                 bios_name = optarg;
2955                 break;
2956             case QEMU_OPTION_singlestep:
2957                 singlestep = 1;
2958                 break;
2959             case QEMU_OPTION_S:
2960                 autostart = 0;
2961                 break;
2962 #ifndef _WIN32
2963 	    case QEMU_OPTION_k:
2964 		keyboard_layout = optarg;
2965 		break;
2966 #endif
2967             case QEMU_OPTION_localtime:
2968                 rtc_utc = 0;
2969                 break;
2970             case QEMU_OPTION_vga:
2971                 select_vgahw (optarg);
2972                 break;
2973 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
2974             case QEMU_OPTION_g:
2975                 {
2976                     const char *p;
2977                     int w, h, depth;
2978                     p = optarg;
2979                     w = strtol(p, (char **)&p, 10);
2980                     if (w <= 0) {
2981                     graphic_error:
2982                         PANIC("qemu: invalid resolution or depth");
2983                     }
2984                     if (*p != 'x')
2985                         goto graphic_error;
2986                     p++;
2987                     h = strtol(p, (char **)&p, 10);
2988                     if (h <= 0)
2989                         goto graphic_error;
2990                     if (*p == 'x') {
2991                         p++;
2992                         depth = strtol(p, (char **)&p, 10);
2993                         if (depth != 8 && depth != 15 && depth != 16 &&
2994                             depth != 24 && depth != 32)
2995                             goto graphic_error;
2996                     } else if (*p == '\0') {
2997                         depth = graphic_depth;
2998                     } else {
2999                         goto graphic_error;
3000                     }
3001 
3002                     graphic_width = w;
3003                     graphic_height = h;
3004                     graphic_depth = depth;
3005                 }
3006                 break;
3007 #endif
3008             case QEMU_OPTION_echr:
3009                 {
3010                     char *r;
3011                     term_escape_char = strtol(optarg, &r, 0);
3012                     if (r == optarg)
3013                         printf("Bad argument to echr\n");
3014                     break;
3015                 }
3016             case QEMU_OPTION_monitor:
3017                 monitor_device = optarg;
3018                 break;
3019             case QEMU_OPTION_serial:
3020                 if (serial_device_index >= MAX_SERIAL_PORTS) {
3021                     PANIC("qemu: too many serial ports");
3022                 }
3023                 serial_devices[serial_device_index] = optarg;
3024                 serial_device_index++;
3025                 break;
3026             case QEMU_OPTION_watchdog:
3027                 i = select_watchdog(optarg);
3028                 if (i > 0) {
3029                     if (i == 1) {
3030                         PANIC("Invalid watchdog parameter: %s",
3031                                           optarg);
3032                     } else {
3033                         QEMU_EXIT(0);
3034                     }
3035                 }
3036                 break;
3037             case QEMU_OPTION_watchdog_action:
3038                 if (select_watchdog_action(optarg) == -1) {
3039                     PANIC("Unknown -watchdog-action parameter");
3040                 }
3041                 break;
3042             case QEMU_OPTION_virtiocon:
3043                 if (virtio_console_index >= MAX_VIRTIO_CONSOLES) {
3044                     PANIC("qemu: too many virtio consoles");
3045                 }
3046                 virtio_consoles[virtio_console_index] = optarg;
3047                 virtio_console_index++;
3048                 break;
3049             case QEMU_OPTION_parallel:
3050                 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
3051                     PANIC("qemu: too many parallel ports");
3052                 }
3053                 parallel_devices[parallel_device_index] = optarg;
3054                 parallel_device_index++;
3055                 break;
3056             case QEMU_OPTION_loadvm:
3057                 loadvm = optarg;
3058                 break;
3059             case QEMU_OPTION_savevm_on_exit:
3060                 savevm_on_exit = optarg;
3061                 break;
3062             case QEMU_OPTION_full_screen:
3063                 full_screen = 1;
3064                 break;
3065 #ifdef CONFIG_SDL
3066             case QEMU_OPTION_no_frame:
3067                 no_frame = 1;
3068                 break;
3069             case QEMU_OPTION_alt_grab:
3070                 alt_grab = 1;
3071                 break;
3072             case QEMU_OPTION_no_quit:
3073                 no_quit = 1;
3074                 break;
3075             case QEMU_OPTION_sdl:
3076                 display_type = DT_SDL;
3077                 break;
3078 #endif
3079             case QEMU_OPTION_pidfile:
3080                 pid_file = optarg;
3081                 break;
3082 #ifdef TARGET_I386
3083             case QEMU_OPTION_win2k_hack:
3084                 win2k_install_hack = 1;
3085                 break;
3086             case QEMU_OPTION_rtc_td_hack:
3087                 rtc_td_hack = 1;
3088                 break;
3089 #ifndef CONFIG_ANDROID
3090             case QEMU_OPTION_acpitable:
3091                 if(acpi_table_add(optarg) < 0) {
3092                     PANIC("Wrong acpi table provided");
3093                 }
3094                 break;
3095 #endif
3096             case QEMU_OPTION_smbios:
3097                 do_smbios_option(optarg);
3098                 break;
3099 #endif
3100 #ifdef CONFIG_KVM
3101             case QEMU_OPTION_enable_kvm:
3102                 kvm_allowed = 1;
3103                 break;
3104             case QEMU_OPTION_disable_kvm:
3105                 kvm_allowed = 0;
3106                 break;
3107 #endif /* CONFIG_KVM */
3108             case QEMU_OPTION_usb:
3109                 usb_enabled = 1;
3110                 break;
3111             case QEMU_OPTION_usbdevice:
3112                 usb_enabled = 1;
3113                 if (usb_devices_index >= MAX_USB_CMDLINE) {
3114                     PANIC("Too many USB devices");
3115                 }
3116                 usb_devices[usb_devices_index] = optarg;
3117                 usb_devices_index++;
3118                 break;
3119             case QEMU_OPTION_smp:
3120                 smp_cpus = atoi(optarg);
3121                 if (smp_cpus < 1) {
3122                     PANIC("Invalid number of CPUs");
3123                 }
3124                 break;
3125 	    case QEMU_OPTION_vnc:
3126                 display_type = DT_VNC;
3127 		vnc_display = optarg;
3128 		break;
3129 #ifdef TARGET_I386
3130             case QEMU_OPTION_no_acpi:
3131                 acpi_enabled = 0;
3132                 break;
3133             case QEMU_OPTION_no_hpet:
3134                 no_hpet = 1;
3135                 break;
3136             case QEMU_OPTION_no_virtio_balloon:
3137                 no_virtio_balloon = 1;
3138                 break;
3139 #endif
3140             case QEMU_OPTION_no_reboot:
3141                 no_reboot = 1;
3142                 break;
3143             case QEMU_OPTION_no_shutdown:
3144                 no_shutdown = 1;
3145                 break;
3146             case QEMU_OPTION_show_cursor:
3147                 cursor_hide = 0;
3148                 break;
3149             case QEMU_OPTION_uuid:
3150                 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3151                     PANIC("Fail to parse UUID string. Wrong format.");
3152                 }
3153                 break;
3154 	    case QEMU_OPTION_option_rom:
3155 		if (nb_option_roms >= MAX_OPTION_ROMS) {
3156 		    PANIC("Too many option ROMs");
3157 		}
3158 		option_rom[nb_option_roms] = optarg;
3159 		nb_option_roms++;
3160 		break;
3161 #if defined(TARGET_ARM) || defined(TARGET_M68K)
3162             case QEMU_OPTION_semihosting:
3163                 semihosting_enabled = 1;
3164                 break;
3165 #endif
3166             case QEMU_OPTION_name:
3167                 qemu_name = optarg;
3168                 break;
3169 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
3170             case QEMU_OPTION_prom_env:
3171                 if (nb_prom_envs >= MAX_PROM_ENVS) {
3172                     PANIC("Too many prom variables");
3173                 }
3174                 prom_envs[nb_prom_envs] = optarg;
3175                 nb_prom_envs++;
3176                 break;
3177 #endif
3178 #ifdef TARGET_ARM
3179             case QEMU_OPTION_old_param:
3180                 old_param = 1;
3181                 break;
3182 #endif
3183             case QEMU_OPTION_clock:
3184                 configure_alarms(optarg);
3185                 break;
3186             case QEMU_OPTION_startdate:
3187                 {
3188                     struct tm tm;
3189                     time_t rtc_start_date = 0;
3190                     if (!strcmp(optarg, "now")) {
3191                         rtc_date_offset = -1;
3192                     } else {
3193                         if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
3194                                &tm.tm_year,
3195                                &tm.tm_mon,
3196                                &tm.tm_mday,
3197                                &tm.tm_hour,
3198                                &tm.tm_min,
3199                                &tm.tm_sec) == 6) {
3200                             /* OK */
3201                         } else if (sscanf(optarg, "%d-%d-%d",
3202                                           &tm.tm_year,
3203                                           &tm.tm_mon,
3204                                           &tm.tm_mday) == 3) {
3205                             tm.tm_hour = 0;
3206                             tm.tm_min = 0;
3207                             tm.tm_sec = 0;
3208                         } else {
3209                             goto date_fail;
3210                         }
3211                         tm.tm_year -= 1900;
3212                         tm.tm_mon--;
3213                         rtc_start_date = mktimegm(&tm);
3214                         if (rtc_start_date == -1) {
3215                         date_fail:
3216                             PANIC("Invalid date format. Valid format are:\n"
3217                                     "'now' or '2006-06-17T16:01:21' or '2006-06-17'");
3218                         }
3219                         rtc_date_offset = time(NULL) - rtc_start_date;
3220                     }
3221                 }
3222                 break;
3223 
3224             /* -------------------------------------------------------*/
3225             /* User mode network stack restrictions */
3226             case QEMU_OPTION_drop_udp:
3227                 slirp_drop_udp();
3228                 break;
3229             case QEMU_OPTION_drop_tcp:
3230                 slirp_drop_tcp();
3231                 break;
3232             case QEMU_OPTION_allow_tcp:
3233                 slirp_allow(optarg, IPPROTO_TCP);
3234                 break;
3235             case QEMU_OPTION_allow_udp:
3236                 slirp_allow(optarg, IPPROTO_UDP);
3237                 break;
3238              case QEMU_OPTION_drop_log:
3239                 {
3240                     FILE* drop_log_fd;
3241                     drop_log_filename = optarg;
3242                     drop_log_fd = fopen(optarg, "w+");
3243 
3244                     if (!drop_log_fd) {
3245                         fprintf(stderr, "Cannot open drop log: %s\n", optarg);
3246                         exit(1);
3247                     }
3248 
3249                     slirp_drop_log_fd(drop_log_fd);
3250                 }
3251                 break;
3252 
3253             case QEMU_OPTION_dns_log:
3254                 {
3255                     FILE* dns_log_fd;
3256                     dns_log_filename = optarg;
3257                     dns_log_fd = fopen(optarg, "wb+");
3258 
3259                     if (dns_log_fd == NULL) {
3260                         fprintf(stderr, "Cannot open dns log: %s\n", optarg);
3261                         exit(1);
3262                     }
3263 
3264                     slirp_dns_log_fd(dns_log_fd);
3265                 }
3266                 break;
3267 
3268 
3269             case QEMU_OPTION_max_dns_conns:
3270                 {
3271                     int max_dns_conns = 0;
3272                     if (parse_int(optarg, &max_dns_conns)) {
3273                       fprintf(stderr,
3274                               "qemu: syntax: -max-dns-conns max_connections\n");
3275                       exit(1);
3276                     }
3277                     if (max_dns_conns <= 0 ||  max_dns_conns == LONG_MAX) {
3278                       fprintf(stderr,
3279                               "Invalid arg for max dns connections: %s\n",
3280                               optarg);
3281                       exit(1);
3282                     }
3283                     slirp_set_max_dns_conns(max_dns_conns);
3284                 }
3285                 break;
3286 
3287             case QEMU_OPTION_net_forward:
3288                 net_slirp_forward(optarg);
3289                 break;
3290             case QEMU_OPTION_net_forward_tcp2sink:
3291                 {
3292                     SockAddress saddr;
3293 
3294                     if (parse_host_port(&saddr, optarg)) {
3295                         fprintf(stderr,
3296                                 "Invalid ip/port %s for "
3297                                 "-forward-dropped-tcp2sink. "
3298                                 "We expect 'sink_ip:sink_port'\n",
3299                                 optarg);
3300                         exit(1);
3301                     }
3302                     slirp_forward_dropped_tcp2sink(saddr.u.inet.address,
3303                                                    saddr.u.inet.port);
3304                 }
3305                 break;
3306             /* -------------------------------------------------------*/
3307 
3308             case QEMU_OPTION_tb_size:
3309                 tb_size = strtol(optarg, NULL, 0);
3310                 if (tb_size < 0)
3311                     tb_size = 0;
3312                 break;
3313             case QEMU_OPTION_icount:
3314                 icount_option = optarg;
3315                 break;
3316             case QEMU_OPTION_incoming:
3317                 incoming = optarg;
3318                 break;
3319 #ifdef CONFIG_XEN
3320             case QEMU_OPTION_xen_domid:
3321                 xen_domid = atoi(optarg);
3322                 break;
3323             case QEMU_OPTION_xen_create:
3324                 xen_mode = XEN_CREATE;
3325                 break;
3326             case QEMU_OPTION_xen_attach:
3327                 xen_mode = XEN_ATTACH;
3328                 break;
3329 #endif
3330 
3331 
3332             case QEMU_OPTION_mic:
3333                 audio_input_source = (char*)optarg;
3334                 break;
3335 #ifdef CONFIG_TRACE
3336             case QEMU_OPTION_trace:
3337                 trace_filename = optarg;
3338                 tracing = 1;
3339                 break;
3340 #if 0
3341             case QEMU_OPTION_trace_miss:
3342                 trace_cache_miss = 1;
3343                 break;
3344             case QEMU_OPTION_trace_addr:
3345                 trace_all_addr = 1;
3346                 break;
3347 #endif
3348             case QEMU_OPTION_tracing:
3349                 if (strcmp(optarg, "off") == 0)
3350                     tracing = 0;
3351                 else if (strcmp(optarg, "on") == 0 && trace_filename)
3352                     tracing = 1;
3353                 else {
3354                     PANIC("Unexpected option to -tracing ('%s')",
3355                             optarg);
3356                 }
3357                 break;
3358 #if 0
3359             case QEMU_OPTION_dcache_load_miss:
3360                 dcache_load_miss_penalty = atoi(optarg);
3361                 break;
3362             case QEMU_OPTION_dcache_store_miss:
3363                 dcache_store_miss_penalty = atoi(optarg);
3364                 break;
3365 #endif
3366 #endif
3367 #ifdef CONFIG_NAND
3368             case QEMU_OPTION_nand:
3369                 nand_add_dev(optarg);
3370                 break;
3371 
3372 #endif
3373             case QEMU_OPTION_disable_hax:
3374                 hax_disabled = 1;
3375                 break;
3376             case QEMU_OPTION_android_ports:
3377                 android_op_ports = (char*)optarg;
3378                 break;
3379 
3380             case QEMU_OPTION_android_port:
3381                 android_op_port = (char*)optarg;
3382                 break;
3383 
3384             case QEMU_OPTION_android_report_console:
3385                 android_op_report_console = (char*)optarg;
3386                 break;
3387 
3388             case QEMU_OPTION_http_proxy:
3389                 op_http_proxy = (char*)optarg;
3390                 break;
3391 
3392             case QEMU_OPTION_charmap:
3393                 op_charmap_file = (char*)optarg;
3394                 break;
3395 
3396             case QEMU_OPTION_android_hw:
3397                 android_op_hwini = (char*)optarg;
3398                 break;
3399 
3400             case QEMU_OPTION_dns_server:
3401                 android_op_dns_server = (char*)optarg;
3402                 break;
3403 
3404             case QEMU_OPTION_radio:
3405                 android_op_radio = (char*)optarg;
3406                 break;
3407 
3408             case QEMU_OPTION_gps:
3409                 android_op_gps = (char*)optarg;
3410                 break;
3411 
3412             case QEMU_OPTION_audio:
3413                 android_op_audio = (char*)optarg;
3414                 break;
3415 
3416             case QEMU_OPTION_cpu_delay:
3417                 android_op_cpu_delay = (char*)optarg;
3418                 break;
3419 
3420             case QEMU_OPTION_show_kernel:
3421                 android_kmsg_init(ANDROID_KMSG_PRINT_MESSAGES);
3422                 break;
3423 
3424 #ifdef CONFIG_NAND_LIMITS
3425             case QEMU_OPTION_nand_limits:
3426                 android_op_nand_limits = (char*)optarg;
3427                 break;
3428 #endif  // CONFIG_NAND_LIMITS
3429 
3430             case QEMU_OPTION_netspeed:
3431                 android_op_netspeed = (char*)optarg;
3432                 break;
3433 
3434             case QEMU_OPTION_netdelay:
3435                 android_op_netdelay = (char*)optarg;
3436                 break;
3437 
3438             case QEMU_OPTION_netfast:
3439                 android_op_netfast = 1;
3440                 break;
3441 
3442             case QEMU_OPTION_tcpdump:
3443                 android_op_tcpdump = (char*)optarg;
3444                 break;
3445 
3446             case QEMU_OPTION_boot_property:
3447                 boot_property_parse_option((char*)optarg);
3448                 break;
3449 
3450             case QEMU_OPTION_lcd_density:
3451                 android_op_lcd_density = (char*)optarg;
3452                 break;
3453 
3454             case QEMU_OPTION_ui_port:
3455                 android_op_ui_port = (char*)optarg;
3456                 break;
3457 
3458             case QEMU_OPTION_ui_settings:
3459                 android_op_ui_settings = (char*)optarg;
3460                 break;
3461 
3462             case QEMU_OPTION_audio_test_out:
3463                 android_audio_test_start_out();
3464                 break;
3465 
3466             case QEMU_OPTION_android_avdname:
3467                 android_op_avd_name = (char*)optarg;
3468                 break;
3469 
3470             case QEMU_OPTION_timezone:
3471                 if (timezone_set((char*)optarg)) {
3472                     fprintf(stderr, "emulator: it seems the timezone '%s' is not in zoneinfo format\n",
3473                             (char*)optarg);
3474                 }
3475                 break;
3476 
3477 #ifdef CONFIG_MEMCHECK
3478             case QEMU_OPTION_android_memcheck:
3479                 android_op_memcheck = (char*)optarg;
3480                 /* This will set ro.kernel.memcheck system property
3481                  * to memcheck's tracing flags. */
3482                 stralloc_add_format(kernel_config, " memcheck=%s", android_op_memcheck);
3483                 break;
3484 #endif // CONFIG_MEMCHECK
3485 
3486             case QEMU_OPTION_snapshot_no_time_update:
3487                 android_snapshot_update_time = 0;
3488                 break;
3489 
3490             case QEMU_OPTION_list_webcam:
3491                 android_list_web_cameras();
3492                 exit(0);
3493 
3494             default:
3495                 os_parse_cmd_args(popt->index, optarg);
3496             }
3497         }
3498     }
3499 
3500     /* Initialize character map. */
3501     if (android_charmap_setup(op_charmap_file)) {
3502         if (op_charmap_file) {
3503             PANIC(
3504                     "Unable to initialize character map from file %s.",
3505                     op_charmap_file);
3506         } else {
3507             PANIC(
3508                     "Unable to initialize default character map.");
3509         }
3510     }
3511 
3512     /* If no data_dir is specified then try to find it relative to the
3513        executable path.  */
3514     if (!data_dir) {
3515         data_dir = find_datadir(argv[0]);
3516     }
3517     /* If all else fails use the install patch specified when building.  */
3518     if (!data_dir) {
3519         data_dir = CONFIG_QEMU_SHAREDIR;
3520     }
3521 
3522     if (!android_op_hwini) {
3523         PANIC("Missing -android-hw <file> option!");
3524     }
3525     hw_ini = iniFile_newFromFile(android_op_hwini);
3526     if (hw_ini == NULL) {
3527         PANIC("Could not find %s file.", android_op_hwini);
3528     }
3529 
3530     androidHwConfig_init(android_hw, 0);
3531     androidHwConfig_read(android_hw, hw_ini);
3532 
3533     /* If we're loading VM from a snapshot, make sure that the current HW config
3534      * matches the one with which the VM has been saved. */
3535     if (loadvm && *loadvm && !snaphost_match_configs(hw_ini, loadvm)) {
3536         exit(0);
3537     }
3538 
3539     iniFile_free(hw_ini);
3540 
3541     {
3542         int width  = android_hw->hw_lcd_width;
3543         int height = android_hw->hw_lcd_height;
3544         int depth  = android_hw->hw_lcd_depth;
3545 
3546         /* A bit of sanity checking */
3547         if (width <= 0 || height <= 0    ||
3548             (depth != 16 && depth != 32) ||
3549             (((width|height) & 3) != 0)  )
3550         {
3551             PANIC("Invalid display configuration (%d,%d,%d)",
3552                   width, height, depth);
3553         }
3554         android_display_width  = width;
3555         android_display_height = height;
3556         android_display_bpp    = depth;
3557     }
3558 
3559 #ifdef CONFIG_NAND_LIMITS
3560     /* Init nand stuff. */
3561     if (android_op_nand_limits) {
3562         parse_nand_limits(android_op_nand_limits);
3563     }
3564 #endif  // CONFIG_NAND_LIMITS
3565 
3566     /* Initialize AVD name from hardware configuration if needed */
3567     if (!android_op_avd_name) {
3568         if (android_hw->avd_name && *android_hw->avd_name) {
3569             android_op_avd_name = android_hw->avd_name;
3570             VERBOSE_PRINT(init,"AVD Name: %s", android_op_avd_name);
3571         }
3572     }
3573 
3574     /* Initialize system partition image */
3575     {
3576         char        tmp[PATH_MAX+32];
3577         const char* sysImage = android_hw->disk_systemPartition_path;
3578         const char* initImage = android_hw->disk_systemPartition_initPath;
3579         uint64_t    sysBytes = android_hw->disk_systemPartition_size;
3580 
3581         if (sysBytes == 0) {
3582             PANIC("Invalid system partition size: %" PRIu64, sysBytes);
3583         }
3584 
3585         snprintf(tmp,sizeof(tmp),"system,size=0x%" PRIx64, sysBytes);
3586 
3587         if (sysImage && *sysImage) {
3588             if (filelock_create(sysImage) == NULL) {
3589                 fprintf(stderr,"WARNING: System image already in use, changes will not persist!\n");
3590                 /* If there is no file= parameters, nand_add_dev will create
3591                  * a temporary file to back the partition image. */
3592             } else {
3593                 pstrcat(tmp,sizeof(tmp),",file=");
3594                 pstrcat(tmp,sizeof(tmp),sysImage);
3595             }
3596         }
3597         if (initImage && *initImage) {
3598             if (!path_exists(initImage)) {
3599                 PANIC("Invalid initial system image path: %s", initImage);
3600             }
3601             pstrcat(tmp,sizeof(tmp),",initfile=");
3602             pstrcat(tmp,sizeof(tmp),initImage);
3603         } else {
3604             PANIC("Missing initial system image path!");
3605         }
3606         nand_add_dev(tmp);
3607     }
3608 
3609     /* Initialize data partition image */
3610     {
3611         char        tmp[PATH_MAX+32];
3612         const char* dataImage = android_hw->disk_dataPartition_path;
3613         const char* initImage = android_hw->disk_dataPartition_initPath;
3614         uint64_t    dataBytes = android_hw->disk_dataPartition_size;
3615 
3616         if (dataBytes == 0) {
3617             PANIC("Invalid data partition size: %" PRIu64, dataBytes);
3618         }
3619 
3620         snprintf(tmp,sizeof(tmp),"userdata,size=0x%" PRIx64, dataBytes);
3621 
3622         if (dataImage && *dataImage) {
3623             if (filelock_create(dataImage) == NULL) {
3624                 fprintf(stderr, "WARNING: Data partition already in use. Changes will not persist!\n");
3625                 /* Note: if there is no file= parameters, nand_add_dev() will
3626                  *       create a temporary file to back the partition image. */
3627             } else {
3628                 /* Create the file if needed */
3629                 if (!path_exists(dataImage)) {
3630                     if (path_empty_file(dataImage) < 0) {
3631                         PANIC("Could not create data image file %s: %s", dataImage, strerror(errno));
3632                     }
3633                 }
3634                 pstrcat(tmp, sizeof(tmp), ",file=");
3635                 pstrcat(tmp, sizeof(tmp), dataImage);
3636             }
3637         }
3638         if (initImage && *initImage) {
3639             pstrcat(tmp, sizeof(tmp), ",initfile=");
3640             pstrcat(tmp, sizeof(tmp), initImage);
3641         }
3642         nand_add_dev(tmp);
3643     }
3644 
3645     /* Init SD-Card stuff. For Android, it is always hda */
3646     /* If the -hda option was used, ignore the Android-provided one */
3647     if (hda_opts == NULL) {
3648         const char* sdPath = android_hw->hw_sdCard_path;
3649         if (sdPath && *sdPath) {
3650             if (!path_exists(sdPath)) {
3651                 fprintf(stderr, "WARNING: SD Card image is missing: %s\n", sdPath);
3652             } else if (filelock_create(sdPath) == NULL) {
3653                 fprintf(stderr, "WARNING: SD Card image already in use: %s\n", sdPath);
3654             } else {
3655                 /* Successful locking */
3656                 hda_opts = drive_add(sdPath, HD_ALIAS, 0);
3657                 /* Set this property of any operation involving the SD Card
3658                  * will be x100 slower, due to the corresponding file being
3659                  * mounted as O_DIRECT. Note that this is only 'unsafe' in
3660                  * the context of an emulator crash. The data is already
3661                  * synced properly when the emulator exits (either normally or through ^C).
3662                  */
3663                 qemu_opt_set(hda_opts, "cache", "unsafe");
3664             }
3665         }
3666     }
3667 
3668     if (hdb_opts == NULL) {
3669         const char* spath = android_hw->disk_snapStorage_path;
3670         if (spath && *spath) {
3671             if (!path_exists(spath)) {
3672                 PANIC("Snapshot storage file does not exist: %s", spath);
3673             }
3674             if (filelock_create(spath) == NULL) {
3675                 PANIC("Snapshot storage already in use: %s", spath);
3676             }
3677             hdb_opts = drive_add(spath, HD_ALIAS, 1);
3678             /* See comment above to understand why this is needed. */
3679             qemu_opt_set(hdb_opts, "cache", "unsafe");
3680         }
3681     }
3682 
3683     /* Set the VM's max heap size, passed as a boot property */
3684     if (android_hw->vm_heapSize > 0) {
3685         char  tmp[64];
3686         snprintf(tmp, sizeof(tmp), "%dm", android_hw->vm_heapSize);
3687         boot_property_add("dalvik.vm.heapsize",tmp);
3688     }
3689 
3690     /* Initialize net speed and delays stuff. */
3691     if (android_parse_network_speed(android_op_netspeed) < 0 ) {
3692         PANIC("invalid -netspeed parameter '%s'",
3693                 android_op_netspeed);
3694     }
3695 
3696     if ( android_parse_network_latency(android_op_netdelay) < 0 ) {
3697         PANIC("invalid -netdelay parameter '%s'",
3698                 android_op_netdelay);
3699     }
3700 
3701     if (android_op_netfast) {
3702         qemu_net_download_speed = 0;
3703         qemu_net_upload_speed = 0;
3704         qemu_net_min_latency = 0;
3705         qemu_net_max_latency = 0;
3706     }
3707 
3708     /* Initialize LCD density */
3709     if (android_hw->hw_lcd_density) {
3710         long density = android_hw->hw_lcd_density;
3711         if (density <= 0) {
3712             PANIC("Invalid hw.lcd.density value: %ld", density);
3713         }
3714         hwLcd_setBootProperty(density);
3715     }
3716 
3717     /* Initialize presence of hardware nav button */
3718     boot_property_add("qemu.hw.mainkeys", android_hw->hw_mainKeys ? "1" : "0");
3719 
3720     /* Initialize TCP dump */
3721     if (android_op_tcpdump) {
3722         if (qemu_tcpdump_start(android_op_tcpdump) < 0) {
3723             fprintf(stdout, "could not start packet capture: %s\n", strerror(errno));
3724         }
3725     }
3726 
3727     /* Initialize modem */
3728     if (android_op_radio) {
3729         CharDriverState*  cs = qemu_chr_open("radio", android_op_radio, NULL);
3730         if (cs == NULL) {
3731             PANIC("unsupported character device specification: %s\n"
3732                         "used -help-char-devices for list of available formats",
3733                     android_op_radio);
3734         }
3735         android_qemud_set_channel( ANDROID_QEMUD_GSM, cs);
3736     } else if (android_hw->hw_gsmModem != 0 ) {
3737         if ( android_qemud_get_channel( ANDROID_QEMUD_GSM, &android_modem_cs ) < 0 ) {
3738             PANIC("could not initialize qemud 'gsm' channel");
3739         }
3740     }
3741 
3742     /* Initialize GPS */
3743     if (android_op_gps) {
3744         CharDriverState*  cs = qemu_chr_open("gps", android_op_gps, NULL);
3745         if (cs == NULL) {
3746             PANIC("unsupported character device specification: %s\n"
3747                         "used -help-char-devices for list of available formats",
3748                     android_op_gps);
3749         }
3750         android_qemud_set_channel( ANDROID_QEMUD_GPS, cs);
3751     } else if (android_hw->hw_gps != 0) {
3752         if ( android_qemud_get_channel( "gps", &android_gps_cs ) < 0 ) {
3753             PANIC("could not initialize qemud 'gps' channel");
3754         }
3755     }
3756 
3757     /* Initialize audio. */
3758     if (android_op_audio) {
3759         if ( !audio_check_backend_name( 0, android_op_audio ) ) {
3760             PANIC("'%s' is not a valid audio output backend. see -help-audio-out",
3761                     android_op_audio);
3762         }
3763         setenv("QEMU_AUDIO_DRV", android_op_audio, 1);
3764     }
3765 
3766     /* Initialize OpenGLES emulation */
3767     //android_hw_opengles_init();
3768 
3769     /* Initialize fake camera */
3770     if (strcmp(android_hw->hw_camera_back, "emulated") &&
3771         strcmp(android_hw->hw_camera_front, "emulated")) {
3772         /* Fake camera is not used for camera emulation. */
3773         boot_property_add("qemu.sf.fake_camera", "none");
3774     } else {
3775         /* Fake camera is used for at least one camera emulation. */
3776         if (!strcmp(android_hw->hw_camera_back, "emulated") &&
3777             !strcmp(android_hw->hw_camera_front, "emulated")) {
3778             /* Fake camera is used for both, front and back camera emulation. */
3779             boot_property_add("qemu.sf.fake_camera", "both");
3780         } else if (!strcmp(android_hw->hw_camera_back, "emulated")) {
3781             boot_property_add("qemu.sf.fake_camera", "back");
3782         } else {
3783             boot_property_add("qemu.sf.fake_camera", "front");
3784         }
3785     }
3786 
3787     /* Set LCD density (if required by -qemu, and AVD is missing it. */
3788     if (android_op_lcd_density && !android_hw->hw_lcd_density) {
3789         int density;
3790         if (parse_int(android_op_lcd_density, &density) || density <= 0) {
3791             PANIC("-lcd-density : %d", density);
3792         }
3793         hwLcd_setBootProperty(density);
3794     }
3795 
3796     /* Initialize camera emulation. */
3797     android_camera_service_init();
3798 
3799     if (android_op_cpu_delay) {
3800         char*   end;
3801         long    delay = strtol(android_op_cpu_delay, &end, 0);
3802         if (end == NULL || *end || delay < 0 || delay > 1000 ) {
3803             PANIC("option -cpu-delay must be an integer between 0 and 1000" );
3804         }
3805         if (delay > 0)
3806             delay = (1000-delay);
3807 
3808         qemu_cpu_delay = (int) delay;
3809     }
3810 
3811     if (android_op_dns_server) {
3812         char*  x = strchr(android_op_dns_server, ',');
3813         dns_count = 0;
3814         if (x == NULL)
3815         {
3816             if ( add_dns_server( android_op_dns_server ) == 0 )
3817                 dns_count = 1;
3818         }
3819         else
3820         {
3821             x = android_op_dns_server;
3822             while (*x) {
3823                 char*  y = strchr(x, ',');
3824 
3825                 if (y != NULL) {
3826                     *y = 0;
3827                     y++;
3828                 } else {
3829                     y = x + strlen(x);
3830                 }
3831 
3832                 if (y > x && add_dns_server( x ) == 0) {
3833                     dns_count += 1;
3834                 }
3835                 x = y;
3836             }
3837         }
3838         if (dns_count == 0)
3839             fprintf( stdout, "### WARNING: will use system default DNS server\n" );
3840     }
3841 
3842     if (dns_count == 0)
3843         dns_count = slirp_get_system_dns_servers();
3844     if (dns_count) {
3845         stralloc_add_format(kernel_config, " ndns=%d", dns_count);
3846     }
3847 
3848 #ifdef CONFIG_MEMCHECK
3849     if (android_op_memcheck) {
3850         memcheck_init(android_op_memcheck);
3851     }
3852 #endif  // CONFIG_MEMCHECK
3853 
3854     /* Initialize cache partition, if any */
3855     if (android_hw->disk_cachePartition != 0) {
3856         char        tmp[PATH_MAX+32];
3857         const char* partPath = android_hw->disk_cachePartition_path;
3858         uint64_t    partSize = android_hw->disk_cachePartition_size;
3859 
3860         snprintf(tmp,sizeof(tmp),"cache,size=0x%" PRIx64, partSize);
3861 
3862         if (partPath && *partPath && strcmp(partPath, "<temp>") != 0) {
3863             if (filelock_create(partPath) == NULL) {
3864                 fprintf(stderr, "WARNING: Cache partition already in use. Changes will not persist!\n");
3865                 /* Note: if there is no file= parameters, nand_add_dev() will
3866                  *       create a temporary file to back the partition image. */
3867             } else {
3868                 /* Create the file if needed */
3869                 if (!path_exists(partPath)) {
3870                     if (path_empty_file(partPath) < 0) {
3871                         PANIC("Could not create cache image file %s: %s", partPath, strerror(errno));
3872                     }
3873                 }
3874                 pstrcat(tmp, sizeof(tmp), ",file=");
3875                 pstrcat(tmp, sizeof(tmp), partPath);
3876             }
3877         }
3878         nand_add_dev(tmp);
3879     }
3880 
3881     /* qemu.gles will be read by the OpenGL ES emulation libraries.
3882      * If set to 0, the software GL ES renderer will be used as a fallback.
3883      * If the parameter is undefined, this means the system image runs
3884      * inside an emulator that doesn't support GPU emulation at all.
3885      *
3886      * We always start the GL ES renderer so we can gather stats on the
3887      * underlying GL implementation. If GL ES acceleration is disabled,
3888      * we just shut it down again once we have the strings. */
3889     {
3890         int qemu_gles = 0;
3891         if (android_initOpenglesEmulation() == 0 &&
3892             android_startOpenglesRenderer(android_hw->hw_lcd_width, android_hw->hw_lcd_height) == 0)
3893         {
3894             android_getOpenglesHardwareStrings(
3895                     android_gl_vendor, sizeof(android_gl_vendor),
3896                     android_gl_renderer, sizeof(android_gl_renderer),
3897                     android_gl_version, sizeof(android_gl_version));
3898             if (android_hw->hw_gpu_enabled) {
3899                 qemu_gles = 1;
3900             } else {
3901                 android_stopOpenglesRenderer();
3902                 qemu_gles = 0;
3903             }
3904         } else {
3905             dwarning("Could not initialize OpenglES emulation, using software renderer.");
3906         }
3907         if (qemu_gles) {
3908             stralloc_add_str(kernel_params, " qemu.gles=1");
3909         } else {
3910             stralloc_add_str(kernel_params, " qemu.gles=0");
3911         }
3912     }
3913 
3914     /* We always force qemu=1 when running inside QEMU */
3915     stralloc_add_str(kernel_params, " qemu=1");
3916 
3917     /* We always initialize the first serial port for the android-kmsg
3918      * character device (used to send kernel messages) */
3919     serial_hds_add_at(0, "android-kmsg");
3920     stralloc_add_str(kernel_params, " console=ttyS0");
3921 
3922     /* We always initialize the second serial port for the android-qemud
3923      * character device as well */
3924     serial_hds_add_at(1, "android-qemud");
3925     stralloc_add_str(kernel_params, " android.qemud=ttyS1");
3926 
3927     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3928         os_pidfile_error();
3929         exit(1);
3930     }
3931 
3932 #if defined(CONFIG_KVM)
3933     if (kvm_allowed < 0) {
3934         kvm_allowed = kvm_check_allowed();
3935     }
3936 #endif
3937 
3938 #if defined(CONFIG_KVM) && defined(CONFIG_KQEMU)
3939     if (kvm_allowed && kqemu_allowed) {
3940         PANIC(
3941                 "You can not enable both KVM and kqemu at the same time");
3942     }
3943 #endif
3944 
3945     machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3946     if (smp_cpus > machine->max_cpus) {
3947         PANIC("Number of SMP cpus requested (%d), exceeds max cpus "
3948                 "supported by machine `%s' (%d)", smp_cpus,  machine->name,
3949                 machine->max_cpus);
3950     }
3951 
3952     if (display_type == DT_NOGRAPHIC) {
3953        if (serial_device_index == 0)
3954            serial_devices[0] = "stdio";
3955        if (parallel_device_index == 0)
3956            parallel_devices[0] = "null";
3957        if (strncmp(monitor_device, "vc", 2) == 0)
3958            monitor_device = "stdio";
3959     }
3960 
3961 #ifdef CONFIG_KQEMU
3962     if (smp_cpus > 1)
3963         kqemu_allowed = 0;
3964 #endif
3965     if (qemu_init_main_loop()) {
3966         PANIC("qemu_init_main_loop failed");
3967     }
3968 
3969     if (kernel_filename == NULL) {
3970         kernel_filename = android_hw->kernel_path;
3971     }
3972     if (initrd_filename == NULL) {
3973         initrd_filename = android_hw->disk_ramdisk_path;
3974     }
3975 
3976     linux_boot = (kernel_filename != NULL);
3977     net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
3978 
3979     if (!linux_boot && *kernel_cmdline != '\0') {
3980         PANIC("-append only allowed with -kernel option");
3981     }
3982 
3983     if (!linux_boot && initrd_filename != NULL) {
3984         PANIC("-initrd only allowed with -kernel option");
3985     }
3986 
3987     /* boot to floppy or the default cd if no hard disk defined yet */
3988     if (!boot_devices[0]) {
3989         boot_devices = "cad";
3990     }
3991     os_set_line_buffering();
3992 
3993     if (init_timer_alarm() < 0) {
3994         PANIC("could not initialize alarm timer");
3995     }
3996     configure_icount(icount_option);
3997 
3998     /* init network clients */
3999     if (nb_net_clients == 0) {
4000         /* if no clients, we use a default config */
4001         net_clients[nb_net_clients++] = "nic";
4002 #ifdef CONFIG_SLIRP
4003         net_clients[nb_net_clients++] = "user";
4004 #endif
4005     }
4006 
4007     for(i = 0;i < nb_net_clients; i++) {
4008         if (net_client_parse(net_clients[i]) < 0) {
4009             PANIC("Unable to parse net clients");
4010         }
4011     }
4012     net_client_check();
4013 
4014 #ifdef TARGET_I386
4015     /* XXX: this should be moved in the PC machine instantiation code */
4016     if (net_boot != 0) {
4017         int netroms = 0;
4018 	for (i = 0; i < nb_nics && i < 4; i++) {
4019 	    const char *model = nd_table[i].model;
4020 	    char buf[1024];
4021             char *filename;
4022             if (net_boot & (1 << i)) {
4023                 if (model == NULL)
4024                     model = "ne2k_pci";
4025                 snprintf(buf, sizeof(buf), "pxe-%s.bin", model);
4026                 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, buf);
4027                 if (filename && get_image_size(filename) > 0) {
4028                     if (nb_option_roms >= MAX_OPTION_ROMS) {
4029                         PANIC("Too many option ROMs");
4030                     }
4031                     option_rom[nb_option_roms] = qemu_strdup(buf);
4032                     nb_option_roms++;
4033                     netroms++;
4034                 }
4035                 if (filename) {
4036                     qemu_free(filename);
4037                 }
4038             }
4039 	}
4040 	if (netroms == 0) {
4041 	    PANIC("No valid PXE rom found for network device");
4042 	}
4043     }
4044 #endif
4045 
4046     /* init the bluetooth world */
4047     for (i = 0; i < nb_bt_opts; i++)
4048         if (bt_parse(bt_opts[i])) {
4049             PANIC("Unable to parse bluetooth options");
4050         }
4051 
4052     /* init the memory */
4053     if (ram_size == 0) {
4054         ram_size = android_hw->hw_ramSize * 1024LL * 1024;
4055         if (ram_size == 0) {
4056             ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4057         }
4058     }
4059 
4060     /* Quite often (especially on older XP machines) attempts to allocate large
4061      * VM RAM is going to fail, and crash the emulator. Since it's failing deep
4062      * inside QEMU, it's not really possible to provide the user with a
4063      * meaningful explanation for the crash. So, lets see if QEMU is going to be
4064      * able to allocate requested amount of RAM, and if not, lets try to come up
4065      * with a recomendation. */
4066     {
4067         ram_addr_t r_ram = ram_size;
4068         void* alloc_check = malloc(r_ram);
4069         while (alloc_check == NULL && r_ram > 1024 * 1024) {
4070         /* Make it 25% less */
4071             r_ram -= r_ram / 4;
4072             alloc_check = malloc(r_ram);
4073         }
4074         if (alloc_check != NULL) {
4075             free(alloc_check);
4076         }
4077         if (r_ram != ram_size) {
4078             /* Requested RAM is too large. Report this, as well as calculated
4079              * recomendation. */
4080             dwarning("Requested RAM size of %dMB is too large for your environment, and is reduced to %dMB.",
4081                      (int)(ram_size / 1024 / 1024), (int)(r_ram / 1024 / 1024));
4082             ram_size = r_ram;
4083         }
4084     }
4085 
4086 #ifdef CONFIG_KQEMU
4087     /* FIXME: This is a nasty hack because kqemu can't cope with dynamic
4088        guest ram allocation.  It needs to go away.  */
4089     if (kqemu_allowed) {
4090         kqemu_phys_ram_size = ram_size + 8 * 1024 * 1024 + 4 * 1024 * 1024;
4091         kqemu_phys_ram_base = qemu_vmalloc(kqemu_phys_ram_size);
4092         if (!kqemu_phys_ram_base) {
4093             PANIC("Could not allocate physical memory");
4094         }
4095     }
4096 #endif
4097 
4098 #ifndef _WIN32
4099     init_qemu_clear_logs_sig();
4100 #endif
4101 
4102     /* init the dynamic translator */
4103     cpu_exec_init_all(tb_size * 1024 * 1024);
4104 
4105     bdrv_init();
4106 
4107     /* we always create the cdrom drive, even if no disk is there */
4108 #if 0
4109     if (nb_drives_opt < MAX_DRIVES)
4110         drive_add(NULL, CDROM_ALIAS);
4111 
4112     /* we always create at least one floppy */
4113 
4114     if (nb_drives_opt < MAX_DRIVES)
4115         drive_add(NULL, FD_ALIAS, 0);
4116     /* we always create one sd slot, even if no card is in it */
4117 
4118     if (1) {
4119         drive_add(NULL, SD_ALIAS);
4120     }
4121 #endif
4122 
4123     /* open the virtual block devices */
4124     if (snapshot)
4125         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4126     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
4127         exit(1);
4128 
4129     //register_savevm("timer", 0, 2, timer_save, timer_load, &timers_state);
4130     register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL);
4131 
4132     /* must be after terminal init, SDL library changes signal handlers */
4133     os_setup_signal_handling();
4134 
4135     /* Maintain compatibility with multiple stdio monitors */
4136     if (!strcmp(monitor_device,"stdio")) {
4137         for (i = 0; i < MAX_SERIAL_PORTS; i++) {
4138             const char *devname = serial_devices[i];
4139             if (devname && !strcmp(devname,"mon:stdio")) {
4140                 monitor_device = NULL;
4141                 break;
4142             } else if (devname && !strcmp(devname,"stdio")) {
4143                 monitor_device = NULL;
4144                 serial_devices[i] = "mon:stdio";
4145                 break;
4146             }
4147         }
4148     }
4149 
4150     if (nb_numa_nodes > 0) {
4151         int i;
4152 
4153         if (nb_numa_nodes > smp_cpus) {
4154             nb_numa_nodes = smp_cpus;
4155         }
4156 
4157         /* If no memory size if given for any node, assume the default case
4158          * and distribute the available memory equally across all nodes
4159          */
4160         for (i = 0; i < nb_numa_nodes; i++) {
4161             if (node_mem[i] != 0)
4162                 break;
4163         }
4164         if (i == nb_numa_nodes) {
4165             uint64_t usedmem = 0;
4166 
4167             /* On Linux, the each node's border has to be 8MB aligned,
4168              * the final node gets the rest.
4169              */
4170             for (i = 0; i < nb_numa_nodes - 1; i++) {
4171                 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4172                 usedmem += node_mem[i];
4173             }
4174             node_mem[i] = ram_size - usedmem;
4175         }
4176 
4177         for (i = 0; i < nb_numa_nodes; i++) {
4178             if (node_cpumask[i] != 0)
4179                 break;
4180         }
4181         /* assigning the VCPUs round-robin is easier to implement, guest OSes
4182          * must cope with this anyway, because there are BIOSes out there in
4183          * real machines which also use this scheme.
4184          */
4185         if (i == nb_numa_nodes) {
4186             for (i = 0; i < smp_cpus; i++) {
4187                 node_cpumask[i % nb_numa_nodes] |= 1 << i;
4188             }
4189         }
4190     }
4191 
4192     if (kvm_enabled()) {
4193         int ret;
4194 
4195         ret = kvm_init(smp_cpus);
4196         if (ret < 0) {
4197             PANIC("failed to initialize KVM");
4198         }
4199     }
4200 
4201 #ifdef CONFIG_HAX
4202     if (!hax_disabled)
4203     {
4204         int ret;
4205 
4206         hax_set_ramsize(ram_size);
4207         ret = hax_init(smp_cpus);
4208         fprintf(stderr, "HAX is %s and emulator runs in %s mode\n",
4209             !ret ? "working" :"not working", !ret ? "fast virt" : "emulation");
4210     }
4211 #endif
4212 
4213     if (monitor_device) {
4214         monitor_hd = qemu_chr_open("monitor", monitor_device, NULL);
4215         if (!monitor_hd) {
4216             PANIC("qemu: could not open monitor device '%s'",
4217                               monitor_device);
4218         }
4219     }
4220 
4221     for(i = 0; i < MAX_SERIAL_PORTS; i++) {
4222         serial_hds_add(serial_devices[i]);
4223     }
4224 
4225     for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
4226         const char *devname = parallel_devices[i];
4227         if (devname && strcmp(devname, "none")) {
4228             char label[32];
4229             snprintf(label, sizeof(label), "parallel%d", i);
4230             parallel_hds[i] = qemu_chr_open(label, devname, NULL);
4231             if (!parallel_hds[i]) {
4232                 PANIC("qemu: could not open parallel device '%s'",
4233                         devname);
4234             }
4235         }
4236     }
4237 
4238     for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
4239         const char *devname = virtio_consoles[i];
4240         if (devname && strcmp(devname, "none")) {
4241             char label[32];
4242             snprintf(label, sizeof(label), "virtcon%d", i);
4243             virtcon_hds[i] = qemu_chr_open(label, devname, NULL);
4244             if (!virtcon_hds[i]) {
4245                 PANIC("qemu: could not open virtio console '%s'",
4246                         devname);
4247             }
4248         }
4249     }
4250 
4251     module_call_init(MODULE_INIT_DEVICE);
4252 
4253 
4254 #ifdef CONFIG_TRACE
4255     if (trace_filename) {
4256         trace_init(trace_filename);
4257         fprintf(stderr, "-- When done tracing, exit the emulator. --\n");
4258     }
4259 #endif
4260 
4261     /* Check the CPU Architecture value */
4262 #if defined(TARGET_ARM)
4263     if (strcmp(android_hw->hw_cpu_arch,"arm") != 0) {
4264         fprintf(stderr, "-- Invalid CPU architecture: %s, expected 'arm'\n",
4265                 android_hw->hw_cpu_arch);
4266         exit(1);
4267     }
4268 #elif defined(TARGET_I386)
4269     if (strcmp(android_hw->hw_cpu_arch,"x86") != 0) {
4270         fprintf(stderr, "-- Invalid CPU architecture: %s, expected 'x86'\n",
4271                 android_hw->hw_cpu_arch);
4272         exit(1);
4273     }
4274 #endif
4275 
4276     /* Grab CPU model if provided in hardware.ini */
4277     if (    !cpu_model
4278          && android_hw->hw_cpu_model
4279          && android_hw->hw_cpu_model[0] != '\0')
4280     {
4281         cpu_model = android_hw->hw_cpu_model;
4282     }
4283 
4284     /* Combine kernel command line passed from the UI with parameters
4285      * collected during initialization.
4286      *
4287      * The order is the following:
4288      * - parameters from the hw configuration (kernel.parameters)
4289      * - additionnal parameters from options (e.g. -memcheck)
4290      * - the -append parameters.
4291      */
4292     {
4293         const char* kernel_parameters;
4294 
4295         if (android_hw->kernel_parameters) {
4296             stralloc_add_c(kernel_params, ' ');
4297             stralloc_add_str(kernel_params, android_hw->kernel_parameters);
4298         }
4299 
4300         /* If not empty, kernel_config always contains a leading space */
4301         stralloc_append(kernel_params, kernel_config);
4302 
4303         if (*kernel_cmdline) {
4304             stralloc_add_c(kernel_params, ' ');
4305             stralloc_add_str(kernel_params, kernel_cmdline);
4306         }
4307 
4308         /* Remove any leading/trailing spaces */
4309         stralloc_strip(kernel_params);
4310 
4311         kernel_parameters = stralloc_cstr(kernel_params);
4312         VERBOSE_PRINT(init, "Kernel parameters: %s", kernel_parameters);
4313 
4314         machine->init(ram_size,
4315                       boot_devices,
4316                       kernel_filename,
4317                       kernel_parameters,
4318                       initrd_filename,
4319                       cpu_model);
4320 
4321         /* Initialize multi-touch emulation. */
4322         if (androidHwConfig_isScreenMultiTouch(android_hw)) {
4323             mts_port_create(NULL);
4324         }
4325 
4326         stralloc_reset(kernel_params);
4327         stralloc_reset(kernel_config);
4328     }
4329 
4330     for (env = first_cpu; env != NULL; env = env->next_cpu) {
4331         for (i = 0; i < nb_numa_nodes; i++) {
4332             if (node_cpumask[i] & (1 << env->cpu_index)) {
4333                 env->numa_node = i;
4334             }
4335         }
4336     }
4337 
4338     current_machine = machine;
4339 
4340     /* Set KVM's vcpu state to qemu's initial CPUState. */
4341     if (kvm_enabled()) {
4342         int ret;
4343 
4344         ret = kvm_sync_vcpus();
4345         if (ret < 0) {
4346             PANIC("failed to initialize vcpus");
4347         }
4348     }
4349 
4350 #ifdef CONFIG_HAX
4351     if (hax_enabled())
4352         hax_sync_vcpus();
4353 #endif
4354 
4355     /* init USB devices */
4356     if (usb_enabled) {
4357         for(i = 0; i < usb_devices_index; i++) {
4358             if (usb_device_add(usb_devices[i], 0) < 0) {
4359                 fprintf(stderr, "Warning: could not add USB device %s\n",
4360                         usb_devices[i]);
4361             }
4362         }
4363     }
4364 
4365     /* just use the first displaystate for the moment */
4366     ds = get_displaystate();
4367 
4368     /* Initialize display from the command line parameters. */
4369     android_display_reset(ds,
4370                           android_display_width,
4371                           android_display_height,
4372                           android_display_bpp);
4373 
4374     if (display_type == DT_DEFAULT) {
4375 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4376         display_type = DT_SDL;
4377 #else
4378         display_type = DT_VNC;
4379         vnc_display = "localhost:0,to=99";
4380         show_vnc_port = 1;
4381 #endif
4382     }
4383 
4384 
4385     switch (display_type) {
4386     case DT_NOGRAPHIC:
4387         break;
4388 #if defined(CONFIG_CURSES)
4389     case DT_CURSES:
4390         curses_display_init(ds, full_screen);
4391         break;
4392 #endif
4393 #if defined(CONFIG_SDL) && !defined(CONFIG_STANDALONE_CORE)
4394     case DT_SDL:
4395         sdl_display_init(ds, full_screen, no_frame);
4396         break;
4397 #elif defined(CONFIG_COCOA)
4398     case DT_SDL:
4399         cocoa_display_init(ds, full_screen);
4400         break;
4401 #elif defined(CONFIG_STANDALONE_CORE)
4402     case DT_SDL:
4403         coredisplay_init(ds);
4404         break;
4405 #endif
4406     case DT_VNC:
4407         vnc_display_init(ds);
4408         if (vnc_display_open(ds, vnc_display) < 0) {
4409             PANIC("Unable to initialize VNC display");
4410         }
4411 
4412         if (show_vnc_port) {
4413             printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4414         }
4415         break;
4416     default:
4417         break;
4418     }
4419     dpy_resize(ds);
4420 
4421     dcl = ds->listeners;
4422     while (dcl != NULL) {
4423         if (dcl->dpy_refresh != NULL) {
4424             ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
4425             qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
4426         }
4427         dcl = dcl->next;
4428     }
4429 
4430     if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
4431         nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
4432         qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
4433     }
4434 
4435     text_consoles_set_display(ds);
4436     qemu_chr_initial_reset();
4437 
4438     if (monitor_device && monitor_hd)
4439         monitor_init(monitor_hd, MONITOR_USE_READLINE | MONITOR_IS_DEFAULT);
4440 
4441     for(i = 0; i < MAX_SERIAL_PORTS; i++) {
4442         const char *devname = serial_devices[i];
4443         if (devname && strcmp(devname, "none")) {
4444             if (strstart(devname, "vc", 0))
4445                 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
4446         }
4447     }
4448 
4449     for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
4450         const char *devname = parallel_devices[i];
4451         if (devname && strcmp(devname, "none")) {
4452             if (strstart(devname, "vc", 0))
4453                 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
4454         }
4455     }
4456 
4457     for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
4458         const char *devname = virtio_consoles[i];
4459         if (virtcon_hds[i] && devname) {
4460             if (strstart(devname, "vc", 0))
4461                 qemu_chr_printf(virtcon_hds[i], "virtio console%d\r\n", i);
4462         }
4463     }
4464 
4465     if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
4466         PANIC("qemu: could not open gdbserver on device '%s'",
4467                 gdbstub_dev);
4468     }
4469 
4470     /* call android-specific setup function */
4471     android_emulation_setup();
4472 
4473 #if !defined(CONFIG_STANDALONE_CORE)
4474     // For the standalone emulator (UI+core in one executable) we need to
4475     // set the window title here.
4476     android_emulator_set_base_port(android_base_port);
4477 #endif
4478 
4479     if (loadvm)
4480         do_loadvm(cur_mon, loadvm);
4481 
4482     if (incoming) {
4483         autostart = 0; /* fixme how to deal with -daemonize */
4484         qemu_start_incoming_migration(incoming);
4485     }
4486 
4487     if (autostart)
4488         vm_start();
4489 
4490     os_setup_post();
4491 
4492 #ifdef CONFIG_ANDROID
4493     // This will notify the UI that the core is successfuly initialized
4494     android_core_init_completed();
4495 #endif  // CONFIG_ANDROID
4496 
4497     main_loop();
4498     quit_timers();
4499     net_cleanup();
4500     android_emulation_teardown();
4501     return 0;
4502 }
4503 
4504 void
android_emulation_teardown(void)4505 android_emulation_teardown(void)
4506 {
4507     android_charmap_done();
4508 }
4509