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bellard0824d6f2003-06-24 13:42:40 +00001/*
bellard80cabfa2004-03-14 12:20:30 +00002 * QEMU System Emulator
ths5fafdf22007-09-16 21:08:06 +00003 *
bellard68d0f702008-01-06 17:21:48 +00004 * Copyright (c) 2003-2008 Fabrice Bellard
ths5fafdf22007-09-16 21:08:06 +00005 *
bellard1df912c2003-06-25 16:20:35 +00006 * 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.
bellard0824d6f2003-06-24 13:42:40 +000023 */
bellard0824d6f2003-06-24 13:42:40 +000024#include <unistd.h>
bellard0824d6f2003-06-24 13:42:40 +000025#include <fcntl.h>
26#include <signal.h>
27#include <time.h>
bellard0824d6f2003-06-24 13:42:40 +000028#include <errno.h>
bellard67b915a2004-03-31 23:37:16 +000029#include <sys/time.h>
bellardc88676f2006-08-06 13:36:11 +000030#include <zlib.h>
bellard67b915a2004-03-31 23:37:16 +000031
Juan Quintela71e72a12009-07-27 16:12:56 +020032/* Needed early for CONFIG_BSD etc. */
blueswir1d40cdb12009-03-07 16:52:02 +000033#include "config-host.h"
Blue Swirl96555a92009-07-17 11:01:45 +000034/* Needed early to override system queue definitions on BSD */
35#include "sys-queue.h"
blueswir1d40cdb12009-03-07 16:52:02 +000036
bellard67b915a2004-03-31 23:37:16 +000037#ifndef _WIN32
Paul Brook5cea8592009-05-30 00:52:44 +010038#include <libgen.h>
aliguori08585322009-02-27 22:09:45 +000039#include <pwd.h>
bellard67b915a2004-03-31 23:37:16 +000040#include <sys/times.h>
bellardf1510b22003-06-25 00:07:40 +000041#include <sys/wait.h>
bellard67b915a2004-03-31 23:37:16 +000042#include <termios.h>
bellard67b915a2004-03-31 23:37:16 +000043#include <sys/mman.h>
bellardf1510b22003-06-25 00:07:40 +000044#include <sys/ioctl.h>
blueswir124646c72008-11-07 16:55:48 +000045#include <sys/resource.h>
bellardf1510b22003-06-25 00:07:40 +000046#include <sys/socket.h>
bellardc94c8d62004-09-13 21:37:34 +000047#include <netinet/in.h>
blueswir124646c72008-11-07 16:55:48 +000048#include <net/if.h>
49#if defined(__NetBSD__)
50#include <net/if_tap.h>
51#endif
52#ifdef __linux__
53#include <linux/if_tun.h>
54#endif
55#include <arpa/inet.h>
bellard9d728e82004-09-05 23:09:03 +000056#include <dirent.h>
bellard7c9d8e02005-11-15 22:16:05 +000057#include <netdb.h>
thscb4b9762007-09-13 12:39:35 +000058#include <sys/select.h>
Juan Quintela71e72a12009-07-27 16:12:56 +020059#ifdef CONFIG_BSD
bellard7d3505c2004-05-12 19:32:15 +000060#include <sys/stat.h>
blueswir1c5e97232009-03-07 20:06:23 +000061#if defined(__FreeBSD__) || defined(__DragonFly__)
bellard7d3505c2004-05-12 19:32:15 +000062#include <libutil.h>
blueswir124646c72008-11-07 16:55:48 +000063#else
64#include <util.h>
blueswir1128ab2f2008-08-15 18:33:42 +000065#endif
ths5c40d2b2007-06-23 16:03:36 +000066#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
67#include <freebsd/stdlib.h>
bellard7d3505c2004-05-12 19:32:15 +000068#else
blueswir1223f0d72008-09-30 18:12:18 +000069#ifdef __linux__
bellard7d3505c2004-05-12 19:32:15 +000070#include <pty.h>
71#include <malloc.h>
bellardfd872592004-05-12 19:11:15 +000072#include <linux/rtc.h>
Andi Kleen18894652009-07-02 09:34:17 +020073#include <sys/prctl.h>
thsbd494f42007-09-16 20:03:23 +000074
75/* For the benefit of older linux systems which don't supply it,
76 we use a local copy of hpet.h. */
77/* #include <linux/hpet.h> */
78#include "hpet.h"
79
bellarde57a8c02005-11-10 23:58:52 +000080#include <linux/ppdev.h>
ths5867c882007-02-17 23:44:43 +000081#include <linux/parport.h>
blueswir1223f0d72008-09-30 18:12:18 +000082#endif
83#ifdef __sun__
thsd5d10bc2007-02-17 22:54:49 +000084#include <sys/stat.h>
85#include <sys/ethernet.h>
86#include <sys/sockio.h>
thsd5d10bc2007-02-17 22:54:49 +000087#include <netinet/arp.h>
88#include <netinet/in.h>
89#include <netinet/in_systm.h>
90#include <netinet/ip.h>
91#include <netinet/ip_icmp.h> // must come after ip.h
92#include <netinet/udp.h>
93#include <netinet/tcp.h>
94#include <net/if.h>
95#include <syslog.h>
96#include <stropts.h>
bellard67b915a2004-03-31 23:37:16 +000097#endif
bellard7d3505c2004-05-12 19:32:15 +000098#endif
bellardec530c82006-04-25 22:36:06 +000099#endif
bellard67b915a2004-03-31 23:37:16 +0000100
blueswir19892fbf2008-08-24 10:34:20 +0000101#if defined(__OpenBSD__)
102#include <util.h>
103#endif
104
ths8a16d272008-07-19 09:56:24 +0000105#if defined(CONFIG_VDE)
106#include <libvdeplug.h>
107#endif
108
bellard67b915a2004-03-31 23:37:16 +0000109#ifdef _WIN32
aliguori49dc7682009-03-08 16:26:59 +0000110#include <windows.h>
ths4fddf622007-12-17 04:42:29 +0000111#include <mmsystem.h>
bellard67b915a2004-03-31 23:37:16 +0000112#endif
113
bellard73332e52004-04-04 20:22:28 +0000114#ifdef CONFIG_SDL
Stefan Weil59a36a22009-06-18 20:11:03 +0200115#if defined(__APPLE__) || defined(main)
Stefan Weil66936652009-06-13 13:19:11 +0200116#include <SDL.h>
malc880fec52009-02-15 20:18:41 +0000117int qemu_main(int argc, char **argv, char **envp);
118int main(int argc, char **argv)
119{
Stefan Weil59a36a22009-06-18 20:11:03 +0200120 return qemu_main(argc, argv, NULL);
malc880fec52009-02-15 20:18:41 +0000121}
122#undef main
123#define main qemu_main
bellard96bcd4f2004-07-10 16:26:15 +0000124#endif
bellard73332e52004-04-04 20:22:28 +0000125#endif /* CONFIG_SDL */
bellard0824d6f2003-06-24 13:42:40 +0000126
bellard5b0753e2005-03-01 21:37:28 +0000127#ifdef CONFIG_COCOA
128#undef main
129#define main qemu_main
130#endif /* CONFIG_COCOA */
131
blueswir1511d2b12009-03-07 15:32:56 +0000132#include "hw/hw.h"
133#include "hw/boards.h"
134#include "hw/usb.h"
135#include "hw/pcmcia.h"
136#include "hw/pc.h"
137#include "hw/audiodev.h"
138#include "hw/isa.h"
139#include "hw/baum.h"
140#include "hw/bt.h"
Richard W.M. Jones9dd986c2009-04-25 13:56:19 +0100141#include "hw/watchdog.h"
aliguorib6f6e3d2009-04-17 18:59:56 +0000142#include "hw/smbios.h"
aliguorie37630c2009-04-22 15:19:10 +0000143#include "hw/xen.h"
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +0200144#include "hw/qdev.h"
aurel325ef4efa2009-03-10 21:43:35 +0000145#include "bt-host.h"
blueswir1511d2b12009-03-07 15:32:56 +0000146#include "net.h"
147#include "monitor.h"
148#include "console.h"
149#include "sysemu.h"
150#include "gdbstub.h"
151#include "qemu-timer.h"
152#include "qemu-char.h"
153#include "cache-utils.h"
154#include "block.h"
blueswir1a718ace2009-03-28 08:24:44 +0000155#include "dma.h"
blueswir1511d2b12009-03-07 15:32:56 +0000156#include "audio/audio.h"
157#include "migration.h"
158#include "kvm.h"
159#include "balloon.h"
Kevin Wolfd3f24362009-05-18 16:42:09 +0200160#include "qemu-option.h"
Gerd Hoffmann7282a032009-07-31 12:25:35 +0200161#include "qemu-config.h"
blueswir1511d2b12009-03-07 15:32:56 +0000162
bellard0824d6f2003-06-24 13:42:40 +0000163#include "disas.h"
bellardfc01f7e2003-06-30 10:03:06 +0000164
bellard8a7ddc32004-03-31 19:00:16 +0000165#include "exec-all.h"
bellard0824d6f2003-06-24 13:42:40 +0000166
blueswir1511d2b12009-03-07 15:32:56 +0000167#include "qemu_socket.h"
168
Jan Kiszkad918f232009-06-24 14:42:30 +0200169#include "slirp/libslirp.h"
blueswir1511d2b12009-03-07 15:32:56 +0000170
blueswir19dc63a12008-10-04 07:25:46 +0000171//#define DEBUG_NET
172//#define DEBUG_SLIRP
bellard330d0412003-07-26 18:11:40 +0000173
bellard1bfe8562004-07-08 21:17:50 +0000174#define DEFAULT_RAM_SIZE 128
bellard313aa562003-08-10 21:52:11 +0000175
Jan Kiszkaddd9bbd2009-08-27 19:51:16 +0200176/* Maximum number of monitor devices */
177#define MAX_MONITOR_DEVICES 10
178
Paul Brook5cea8592009-05-30 00:52:44 +0100179static const char *data_dir;
j_mayer1192dad2007-10-05 13:08:35 +0000180const char *bios_name = NULL;
thse4bcb142007-12-02 04:51:10 +0000181/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
bellardfaea38e2006-08-05 21:31:00 +0000182 to store the VM snapshots */
Gerd Hoffmann751c6a12009-07-22 16:42:57 +0200183struct drivelist drives = TAILQ_HEAD_INITIALIZER(drives);
Gerd Hoffmann3b0ba922009-07-22 16:42:59 +0200184struct driveoptlist driveopts = TAILQ_HEAD_INITIALIZER(driveopts);
malccb5a7aa2008-09-28 00:42:12 +0000185enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
aliguori3023f332009-01-16 19:04:14 +0000186static DisplayState *display_state;
Anthony Liguori993fbfd2009-05-21 16:54:00 -0500187DisplayType display_type = DT_DEFAULT;
bellard3d11d0e2004-12-12 16:56:30 +0000188const char* keyboard_layout = NULL;
bellard313aa562003-08-10 21:52:11 +0000189int64_t ticks_per_sec;
aurel3200f82b82008-04-27 21:12:55 +0000190ram_addr_t ram_size;
bellardc4b1fcc2004-03-14 21:44:30 +0000191int nb_nics;
bellard7c9d8e02005-11-15 22:16:05 +0000192NICInfo nd_table[MAX_NICS];
bellard8a7ddc32004-03-31 19:00:16 +0000193int vm_running;
Paolo Bonzinid399f672009-07-27 23:17:51 +0200194int autostart;
balrogf6503052008-02-17 11:42:19 +0000195static int rtc_utc = 1;
196static int rtc_date_offset = -1; /* -1 means no change */
Zachary Amsden86176752009-07-30 00:15:02 -1000197int vga_interface_type = VGA_CIRRUS;
bellardd8272202005-04-06 20:32:23 +0000198#ifdef TARGET_SPARC
199int graphic_width = 1024;
200int graphic_height = 768;
blueswir1eee0b832007-04-21 19:45:49 +0000201int graphic_depth = 8;
bellardd8272202005-04-06 20:32:23 +0000202#else
bellard1bfe8562004-07-08 21:17:50 +0000203int graphic_width = 800;
204int graphic_height = 600;
bellarde9b137c2004-06-21 16:46:10 +0000205int graphic_depth = 15;
blueswir1eee0b832007-04-21 19:45:49 +0000206#endif
blueswir1dbed7e42008-10-01 19:38:09 +0000207static int full_screen = 0;
blueswir1634a21f2008-11-16 11:34:07 +0000208#ifdef CONFIG_SDL
blueswir1dbed7e42008-10-01 19:38:09 +0000209static int no_frame = 0;
blueswir1634a21f2008-11-16 11:34:07 +0000210#endif
ths667acca2006-12-11 02:08:05 +0000211int no_quit = 0;
bellard8d11df92004-08-24 21:13:40 +0000212CharDriverState *serial_hds[MAX_SERIAL_PORTS];
bellard6508fe52005-01-15 12:02:56 +0000213CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
aliguori9ede2fd2009-01-15 20:05:25 +0000214CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
bellarda09db212005-04-30 16:10:35 +0000215#ifdef TARGET_I386
216int win2k_install_hack = 0;
aliguori73822ec2009-01-15 20:11:34 +0000217int rtc_td_hack = 0;
bellarda09db212005-04-30 16:10:35 +0000218#endif
bellardbb36d472005-11-05 14:22:28 +0000219int usb_enabled = 0;
aurel321b530a62009-04-05 20:08:59 +0000220int singlestep = 0;
bellard6a00d602005-11-21 23:25:50 +0000221int smp_cpus = 1;
Jes Sorensen6be68d72009-07-23 17:03:42 +0200222int max_cpus = 0;
Andre Przywaradc6b1c02009-08-19 15:42:40 +0200223int smp_cores = 1;
224int smp_threads = 1;
ths73fc9742006-12-22 02:09:07 +0000225const char *vnc_display;
bellard6515b202006-05-03 22:02:44 +0000226int acpi_enabled = 1;
aliguori16b29ae2008-12-17 23:28:44 +0000227int no_hpet = 0;
bellard52ca8d62006-06-14 16:03:05 +0000228int fd_bootchk = 1;
bellardd1beab82006-10-02 19:44:22 +0000229int no_reboot = 0;
aurel32b2f76162008-04-11 21:35:52 +0000230int no_shutdown = 0;
balrog9467cd42007-05-01 01:34:14 +0000231int cursor_hide = 1;
balroga171fe32007-04-30 01:48:07 +0000232int graphic_rotate = 0;
Jes Sorensen6b35e7b2009-08-06 16:25:50 +0200233uint8_t irq0override = 1;
blueswir1b9e82a52009-04-05 18:03:31 +0000234#ifndef _WIN32
ths71e3ceb2006-12-22 02:11:31 +0000235int daemonize = 0;
blueswir1b9e82a52009-04-05 18:03:31 +0000236#endif
Markus Armbruster09aaa162009-08-21 10:31:34 +0200237const char *watchdog;
ths9ae02552007-01-05 17:39:04 +0000238const char *option_rom[MAX_OPTION_ROMS];
239int nb_option_roms;
pbrook8e716212007-01-20 17:12:09 +0000240int semihosting_enabled = 0;
balrog2b8f2d42007-07-27 22:08:46 +0000241#ifdef TARGET_ARM
242int old_param = 0;
243#endif
thsc35734b2007-03-19 15:17:08 +0000244const char *qemu_name;
ths3780e192007-06-21 21:08:02 +0000245int alt_grab = 0;
blueswir195efd112008-12-24 20:26:14 +0000246#if defined(TARGET_SPARC) || defined(TARGET_PPC)
blueswir166508602007-05-01 14:16:52 +0000247unsigned int nb_prom_envs = 0;
248const char *prom_envs[MAX_PROM_ENVS];
249#endif
Jan Kiszka95387492009-07-02 00:19:02 +0200250int boot_menu;
bellard0824d6f2003-06-24 13:42:40 +0000251
aliguori268a3622009-04-21 22:30:27 +0000252int nb_numa_nodes;
253uint64_t node_mem[MAX_NODES];
254uint64_t node_cpumask[MAX_NODES];
255
balrogee5605e2007-12-03 03:01:40 +0000256static CPUState *cur_cpu;
257static CPUState *next_cpu;
aliguori43b96852009-04-24 18:03:33 +0000258static int timer_alarm_pending = 1;
thsbf20dc02008-06-30 17:22:19 +0000259/* Conversion factor from emulated instructions to virtual clock ticks. */
pbrook2e70f6e2008-06-29 01:03:05 +0000260static int icount_time_shift;
thsbf20dc02008-06-30 17:22:19 +0000261/* Arbitrarily pick 1MIPS as the minimum allowable speed. */
pbrook2e70f6e2008-06-29 01:03:05 +0000262#define MAX_ICOUNT_SHIFT 10
263/* Compensate for varying guest execution speed. */
264static int64_t qemu_icount_bias;
blueswir1dbed7e42008-10-01 19:38:09 +0000265static QEMUTimer *icount_rt_timer;
266static QEMUTimer *icount_vm_timer;
blueswir19043b622009-01-21 19:28:13 +0000267static QEMUTimer *nographic_timer;
balrogee5605e2007-12-03 03:01:40 +0000268
blueswir18fcb1b92008-09-18 18:29:08 +0000269uint8_t qemu_uuid[16];
270
Jan Kiszka76e30d02009-07-02 00:19:02 +0200271static QEMUBootSetHandler *boot_set_handler;
272static void *boot_set_opaque;
273
bellard0824d6f2003-06-24 13:42:40 +0000274/***********************************************************/
bellard26aa7d72004-04-28 22:26:05 +0000275/* x86 ISA bus support */
276
277target_phys_addr_t isa_mem_base = 0;
bellard3de388f2005-07-02 18:11:44 +0000278PicState2 *isa_pic;
bellard0824d6f2003-06-24 13:42:40 +0000279
bellard0824d6f2003-06-24 13:42:40 +0000280/***********************************************************/
bellard0824d6f2003-06-24 13:42:40 +0000281void hw_error(const char *fmt, ...)
282{
283 va_list ap;
bellard6a00d602005-11-21 23:25:50 +0000284 CPUState *env;
bellard0824d6f2003-06-24 13:42:40 +0000285
286 va_start(ap, fmt);
287 fprintf(stderr, "qemu: hardware error: ");
288 vfprintf(stderr, fmt, ap);
289 fprintf(stderr, "\n");
bellard6a00d602005-11-21 23:25:50 +0000290 for(env = first_cpu; env != NULL; env = env->next_cpu) {
291 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
bellard0824d6f2003-06-24 13:42:40 +0000292#ifdef TARGET_I386
bellard6a00d602005-11-21 23:25:50 +0000293 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
bellardc45886d2004-01-05 00:02:06 +0000294#else
bellard6a00d602005-11-21 23:25:50 +0000295 cpu_dump_state(env, stderr, fprintf, 0);
bellard0824d6f2003-06-24 13:42:40 +0000296#endif
bellard6a00d602005-11-21 23:25:50 +0000297 }
bellard0824d6f2003-06-24 13:42:40 +0000298 va_end(ap);
299 abort();
300}
Andi Kleen18894652009-07-02 09:34:17 +0200301
302static void set_proc_name(const char *s)
303{
Nathan Froyd6ca8d0f2009-08-03 07:32:12 -0700304#if defined(__linux__) && defined(PR_SET_NAME)
Andi Kleen18894652009-07-02 09:34:17 +0200305 char name[16];
306 if (!s)
307 return;
308 name[sizeof(name) - 1] = 0;
309 strncpy(name, s, sizeof(name));
310 /* Could rewrite argv[0] too, but that's a bit more complicated.
311 This simple way is enough for `top'. */
312 prctl(PR_SET_NAME, name);
313#endif
314}
aliguoridf751fa2008-12-04 20:19:35 +0000315
316/***************/
317/* ballooning */
318
319static QEMUBalloonEvent *qemu_balloon_event;
320void *qemu_balloon_event_opaque;
321
322void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque)
323{
324 qemu_balloon_event = func;
325 qemu_balloon_event_opaque = opaque;
326}
327
328void qemu_balloon(ram_addr_t target)
329{
330 if (qemu_balloon_event)
331 qemu_balloon_event(qemu_balloon_event_opaque, target);
332}
333
334ram_addr_t qemu_balloon_status(void)
335{
336 if (qemu_balloon_event)
337 return qemu_balloon_event(qemu_balloon_event_opaque, 0);
338 return 0;
339}
bellard0824d6f2003-06-24 13:42:40 +0000340
bellard8a7ddc32004-03-31 19:00:16 +0000341/***********************************************************/
bellard63066f42004-06-03 18:45:02 +0000342/* keyboard/mouse */
343
344static QEMUPutKBDEvent *qemu_put_kbd_event;
345static void *qemu_put_kbd_event_opaque;
ths455204e2007-01-05 16:42:13 +0000346static QEMUPutMouseEntry *qemu_put_mouse_event_head;
347static QEMUPutMouseEntry *qemu_put_mouse_event_current;
bellard63066f42004-06-03 18:45:02 +0000348
349void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
350{
351 qemu_put_kbd_event_opaque = opaque;
352 qemu_put_kbd_event = func;
353}
354
ths455204e2007-01-05 16:42:13 +0000355QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
356 void *opaque, int absolute,
357 const char *name)
bellard63066f42004-06-03 18:45:02 +0000358{
ths455204e2007-01-05 16:42:13 +0000359 QEMUPutMouseEntry *s, *cursor;
360
361 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
ths455204e2007-01-05 16:42:13 +0000362
363 s->qemu_put_mouse_event = func;
364 s->qemu_put_mouse_event_opaque = opaque;
365 s->qemu_put_mouse_event_absolute = absolute;
366 s->qemu_put_mouse_event_name = qemu_strdup(name);
367 s->next = NULL;
368
369 if (!qemu_put_mouse_event_head) {
370 qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
371 return s;
372 }
373
374 cursor = qemu_put_mouse_event_head;
375 while (cursor->next != NULL)
376 cursor = cursor->next;
377
378 cursor->next = s;
379 qemu_put_mouse_event_current = s;
380
381 return s;
382}
383
384void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
385{
386 QEMUPutMouseEntry *prev = NULL, *cursor;
387
388 if (!qemu_put_mouse_event_head || entry == NULL)
389 return;
390
391 cursor = qemu_put_mouse_event_head;
392 while (cursor != NULL && cursor != entry) {
393 prev = cursor;
394 cursor = cursor->next;
395 }
396
397 if (cursor == NULL) // does not exist or list empty
398 return;
399 else if (prev == NULL) { // entry is head
400 qemu_put_mouse_event_head = cursor->next;
401 if (qemu_put_mouse_event_current == entry)
402 qemu_put_mouse_event_current = cursor->next;
403 qemu_free(entry->qemu_put_mouse_event_name);
404 qemu_free(entry);
405 return;
406 }
407
408 prev->next = entry->next;
409
410 if (qemu_put_mouse_event_current == entry)
411 qemu_put_mouse_event_current = prev;
412
413 qemu_free(entry->qemu_put_mouse_event_name);
414 qemu_free(entry);
bellard63066f42004-06-03 18:45:02 +0000415}
416
417void kbd_put_keycode(int keycode)
418{
419 if (qemu_put_kbd_event) {
420 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
421 }
422}
423
424void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
425{
ths455204e2007-01-05 16:42:13 +0000426 QEMUPutMouseEvent *mouse_event;
427 void *mouse_event_opaque;
balroga171fe32007-04-30 01:48:07 +0000428 int width;
ths455204e2007-01-05 16:42:13 +0000429
430 if (!qemu_put_mouse_event_current) {
431 return;
432 }
433
434 mouse_event =
435 qemu_put_mouse_event_current->qemu_put_mouse_event;
436 mouse_event_opaque =
437 qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
438
439 if (mouse_event) {
balroga171fe32007-04-30 01:48:07 +0000440 if (graphic_rotate) {
441 if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
442 width = 0x7fff;
443 else
aurel32b94ed572008-03-10 19:34:27 +0000444 width = graphic_width - 1;
balroga171fe32007-04-30 01:48:07 +0000445 mouse_event(mouse_event_opaque,
446 width - dy, dx, dz, buttons_state);
447 } else
448 mouse_event(mouse_event_opaque,
449 dx, dy, dz, buttons_state);
bellard63066f42004-06-03 18:45:02 +0000450 }
451}
452
bellard09b26c52006-04-12 21:09:08 +0000453int kbd_mouse_is_absolute(void)
454{
ths455204e2007-01-05 16:42:13 +0000455 if (!qemu_put_mouse_event_current)
456 return 0;
457
458 return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
459}
460
aliguori376253e2009-03-05 23:01:23 +0000461void do_info_mice(Monitor *mon)
ths455204e2007-01-05 16:42:13 +0000462{
463 QEMUPutMouseEntry *cursor;
464 int index = 0;
465
466 if (!qemu_put_mouse_event_head) {
aliguori376253e2009-03-05 23:01:23 +0000467 monitor_printf(mon, "No mouse devices connected\n");
ths455204e2007-01-05 16:42:13 +0000468 return;
469 }
470
aliguori376253e2009-03-05 23:01:23 +0000471 monitor_printf(mon, "Mouse devices available:\n");
ths455204e2007-01-05 16:42:13 +0000472 cursor = qemu_put_mouse_event_head;
473 while (cursor != NULL) {
aliguori376253e2009-03-05 23:01:23 +0000474 monitor_printf(mon, "%c Mouse #%d: %s\n",
475 (cursor == qemu_put_mouse_event_current ? '*' : ' '),
476 index, cursor->qemu_put_mouse_event_name);
ths455204e2007-01-05 16:42:13 +0000477 index++;
478 cursor = cursor->next;
479 }
480}
481
Luiz Capitulinod54908a2009-08-28 15:27:13 -0300482void do_mouse_set(Monitor *mon, const QDict *qdict)
ths455204e2007-01-05 16:42:13 +0000483{
484 QEMUPutMouseEntry *cursor;
485 int i = 0;
Luiz Capitulinod54908a2009-08-28 15:27:13 -0300486 int index = qdict_get_int(qdict, "index");
ths455204e2007-01-05 16:42:13 +0000487
488 if (!qemu_put_mouse_event_head) {
aliguori376253e2009-03-05 23:01:23 +0000489 monitor_printf(mon, "No mouse devices connected\n");
ths455204e2007-01-05 16:42:13 +0000490 return;
491 }
492
493 cursor = qemu_put_mouse_event_head;
494 while (cursor != NULL && index != i) {
495 i++;
496 cursor = cursor->next;
497 }
498
499 if (cursor != NULL)
500 qemu_put_mouse_event_current = cursor;
501 else
aliguori376253e2009-03-05 23:01:23 +0000502 monitor_printf(mon, "Mouse at given index not found\n");
bellard09b26c52006-04-12 21:09:08 +0000503}
504
bellard87858c82003-06-27 12:01:39 +0000505/* compute with 96 bit intermediate result: (a*b)/c */
bellard80cabfa2004-03-14 12:20:30 +0000506uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
bellard87858c82003-06-27 12:01:39 +0000507{
508 union {
509 uint64_t ll;
510 struct {
Juan Quintelae2542fe2009-07-27 16:13:06 +0200511#ifdef HOST_WORDS_BIGENDIAN
bellard87858c82003-06-27 12:01:39 +0000512 uint32_t high, low;
513#else
514 uint32_t low, high;
ths3b46e622007-09-17 08:09:54 +0000515#endif
bellard87858c82003-06-27 12:01:39 +0000516 } l;
517 } u, res;
518 uint64_t rl, rh;
519
520 u.ll = a;
521 rl = (uint64_t)u.l.low * (uint64_t)b;
522 rh = (uint64_t)u.l.high * (uint64_t)b;
523 rh += (rl >> 32);
524 res.l.high = rh / c;
525 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
526 return res.ll;
527}
528
bellard1dce7c32006-07-13 23:20:22 +0000529/***********************************************************/
530/* real time host monotonic timer */
531
532#define QEMU_TIMER_BASE 1000000000LL
533
534#ifdef WIN32
535
536static int64_t clock_freq;
537
538static void init_get_clock(void)
539{
bellarda8e5ac32006-07-14 09:36:13 +0000540 LARGE_INTEGER freq;
541 int ret;
bellard1dce7c32006-07-13 23:20:22 +0000542 ret = QueryPerformanceFrequency(&freq);
543 if (ret == 0) {
544 fprintf(stderr, "Could not calibrate ticks\n");
545 exit(1);
546 }
547 clock_freq = freq.QuadPart;
548}
549
550static int64_t get_clock(void)
551{
552 LARGE_INTEGER ti;
553 QueryPerformanceCounter(&ti);
554 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
555}
556
557#else
558
559static int use_rt_clock;
560
561static void init_get_clock(void)
562{
563 use_rt_clock = 0;
blueswir1c5e97232009-03-07 20:06:23 +0000564#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
565 || defined(__DragonFly__)
bellard1dce7c32006-07-13 23:20:22 +0000566 {
567 struct timespec ts;
568 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
569 use_rt_clock = 1;
570 }
571 }
572#endif
573}
574
575static int64_t get_clock(void)
576{
blueswir1c5e97232009-03-07 20:06:23 +0000577#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
578 || defined(__DragonFly__)
bellard1dce7c32006-07-13 23:20:22 +0000579 if (use_rt_clock) {
580 struct timespec ts;
581 clock_gettime(CLOCK_MONOTONIC, &ts);
582 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
ths5fafdf22007-09-16 21:08:06 +0000583 } else
bellard1dce7c32006-07-13 23:20:22 +0000584#endif
585 {
586 /* XXX: using gettimeofday leads to problems if the date
587 changes, so it should be avoided. */
588 struct timeval tv;
589 gettimeofday(&tv, NULL);
590 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
591 }
592}
bellard1dce7c32006-07-13 23:20:22 +0000593#endif
594
pbrook2e70f6e2008-06-29 01:03:05 +0000595/* Return the virtual CPU time, based on the instruction counter. */
596static int64_t cpu_get_icount(void)
597{
598 int64_t icount;
599 CPUState *env = cpu_single_env;;
600 icount = qemu_icount;
601 if (env) {
602 if (!can_do_io(env))
603 fprintf(stderr, "Bad clock read\n");
604 icount -= (env->icount_decr.u16.low + env->icount_extra);
605 }
606 return qemu_icount_bias + (icount << icount_time_shift);
607}
608
bellard1dce7c32006-07-13 23:20:22 +0000609/***********************************************************/
610/* guest cycle counter */
611
612static int64_t cpu_ticks_prev;
613static int64_t cpu_ticks_offset;
614static int64_t cpu_clock_offset;
615static int cpu_ticks_enabled;
616
617/* return the host CPU cycle counter and handle stop/restart */
618int64_t cpu_get_ticks(void)
619{
pbrook2e70f6e2008-06-29 01:03:05 +0000620 if (use_icount) {
621 return cpu_get_icount();
622 }
bellard1dce7c32006-07-13 23:20:22 +0000623 if (!cpu_ticks_enabled) {
624 return cpu_ticks_offset;
625 } else {
626 int64_t ticks;
627 ticks = cpu_get_real_ticks();
628 if (cpu_ticks_prev > ticks) {
629 /* Note: non increasing ticks may happen if the host uses
630 software suspend */
631 cpu_ticks_offset += cpu_ticks_prev - ticks;
632 }
633 cpu_ticks_prev = ticks;
634 return ticks + cpu_ticks_offset;
635 }
636}
637
638/* return the host CPU monotonic timer and handle stop/restart */
639static int64_t cpu_get_clock(void)
640{
641 int64_t ti;
642 if (!cpu_ticks_enabled) {
643 return cpu_clock_offset;
644 } else {
645 ti = get_clock();
646 return ti + cpu_clock_offset;
647 }
648}
649
650/* enable cpu_get_ticks() */
651void cpu_enable_ticks(void)
652{
653 if (!cpu_ticks_enabled) {
654 cpu_ticks_offset -= cpu_get_real_ticks();
655 cpu_clock_offset -= get_clock();
656 cpu_ticks_enabled = 1;
657 }
658}
659
660/* disable cpu_get_ticks() : the clock is stopped. You must not call
661 cpu_get_ticks() after that. */
662void cpu_disable_ticks(void)
663{
664 if (cpu_ticks_enabled) {
665 cpu_ticks_offset = cpu_get_ticks();
666 cpu_clock_offset = cpu_get_clock();
667 cpu_ticks_enabled = 0;
668 }
669}
670
671/***********************************************************/
672/* timers */
ths5fafdf22007-09-16 21:08:06 +0000673
bellard8a7ddc32004-03-31 19:00:16 +0000674#define QEMU_TIMER_REALTIME 0
675#define QEMU_TIMER_VIRTUAL 1
676
677struct QEMUClock {
678 int type;
679 /* XXX: add frequency */
680};
681
682struct QEMUTimer {
683 QEMUClock *clock;
684 int64_t expire_time;
685 QEMUTimerCB *cb;
686 void *opaque;
687 struct QEMUTimer *next;
688};
689
thsc8994012007-08-19 21:56:03 +0000690struct qemu_alarm_timer {
691 char const *name;
thsefe75412007-08-24 01:36:32 +0000692 unsigned int flags;
thsc8994012007-08-19 21:56:03 +0000693
694 int (*start)(struct qemu_alarm_timer *t);
695 void (*stop)(struct qemu_alarm_timer *t);
thsefe75412007-08-24 01:36:32 +0000696 void (*rearm)(struct qemu_alarm_timer *t);
thsc8994012007-08-19 21:56:03 +0000697 void *priv;
698};
699
thsefe75412007-08-24 01:36:32 +0000700#define ALARM_FLAG_DYNTICKS 0x1
balrogd5d08332008-01-05 19:41:47 +0000701#define ALARM_FLAG_EXPIRED 0x2
thsefe75412007-08-24 01:36:32 +0000702
703static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
704{
Jean-Christophe Duboise3323402009-05-17 18:38:39 +0200705 return t && (t->flags & ALARM_FLAG_DYNTICKS);
thsefe75412007-08-24 01:36:32 +0000706}
707
708static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
709{
710 if (!alarm_has_dynticks(t))
711 return;
712
713 t->rearm(t);
714}
715
716/* TODO: MIN_TIMER_REARM_US should be optimized */
717#define MIN_TIMER_REARM_US 250
718
thsc8994012007-08-19 21:56:03 +0000719static struct qemu_alarm_timer *alarm_timer;
720
721#ifdef _WIN32
722
723struct qemu_alarm_win32 {
724 MMRESULT timerId;
thsc8994012007-08-19 21:56:03 +0000725 unsigned int period;
Blue Swirlef28c4b2009-04-25 12:56:37 +0000726} alarm_win32_data = {0, -1};
thsc8994012007-08-19 21:56:03 +0000727
728static int win32_start_timer(struct qemu_alarm_timer *t);
729static void win32_stop_timer(struct qemu_alarm_timer *t);
thsefe75412007-08-24 01:36:32 +0000730static void win32_rearm_timer(struct qemu_alarm_timer *t);
thsc8994012007-08-19 21:56:03 +0000731
732#else
733
734static int unix_start_timer(struct qemu_alarm_timer *t);
735static void unix_stop_timer(struct qemu_alarm_timer *t);
736
ths231c6582007-08-26 17:29:15 +0000737#ifdef __linux__
738
thsefe75412007-08-24 01:36:32 +0000739static int dynticks_start_timer(struct qemu_alarm_timer *t);
740static void dynticks_stop_timer(struct qemu_alarm_timer *t);
741static void dynticks_rearm_timer(struct qemu_alarm_timer *t);
742
thsc40ec5a2007-08-19 22:09:40 +0000743static int hpet_start_timer(struct qemu_alarm_timer *t);
744static void hpet_stop_timer(struct qemu_alarm_timer *t);
745
thsc8994012007-08-19 21:56:03 +0000746static int rtc_start_timer(struct qemu_alarm_timer *t);
747static void rtc_stop_timer(struct qemu_alarm_timer *t);
748
thsefe75412007-08-24 01:36:32 +0000749#endif /* __linux__ */
thsc8994012007-08-19 21:56:03 +0000750
751#endif /* _WIN32 */
752
pbrook2e70f6e2008-06-29 01:03:05 +0000753/* Correlation between real and virtual time is always going to be
thsbf20dc02008-06-30 17:22:19 +0000754 fairly approximate, so ignore small variation.
pbrook2e70f6e2008-06-29 01:03:05 +0000755 When the guest is idle real and virtual time will be aligned in
756 the IO wait loop. */
757#define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
758
759static void icount_adjust(void)
760{
761 int64_t cur_time;
762 int64_t cur_icount;
763 int64_t delta;
764 static int64_t last_delta;
765 /* If the VM is not running, then do nothing. */
766 if (!vm_running)
767 return;
768
769 cur_time = cpu_get_clock();
770 cur_icount = qemu_get_clock(vm_clock);
771 delta = cur_icount - cur_time;
772 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
773 if (delta > 0
774 && last_delta + ICOUNT_WOBBLE < delta * 2
775 && icount_time_shift > 0) {
776 /* The guest is getting too far ahead. Slow time down. */
777 icount_time_shift--;
778 }
779 if (delta < 0
780 && last_delta - ICOUNT_WOBBLE > delta * 2
781 && icount_time_shift < MAX_ICOUNT_SHIFT) {
782 /* The guest is getting too far behind. Speed time up. */
783 icount_time_shift++;
784 }
785 last_delta = delta;
786 qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift);
787}
788
789static void icount_adjust_rt(void * opaque)
790{
791 qemu_mod_timer(icount_rt_timer,
792 qemu_get_clock(rt_clock) + 1000);
793 icount_adjust();
794}
795
796static void icount_adjust_vm(void * opaque)
797{
798 qemu_mod_timer(icount_vm_timer,
799 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
800 icount_adjust();
801}
802
803static void init_icount_adjust(void)
804{
805 /* Have both realtime and virtual time triggers for speed adjustment.
806 The realtime trigger catches emulated time passing too slowly,
807 the virtual time trigger catches emulated time passing too fast.
808 Realtime triggers occur even when idle, so use them less frequently
809 than VM triggers. */
810 icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
811 qemu_mod_timer(icount_rt_timer,
812 qemu_get_clock(rt_clock) + 1000);
813 icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
814 qemu_mod_timer(icount_vm_timer,
815 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
816}
817
thsc8994012007-08-19 21:56:03 +0000818static struct qemu_alarm_timer alarm_timers[] = {
thsefe75412007-08-24 01:36:32 +0000819#ifndef _WIN32
ths231c6582007-08-26 17:29:15 +0000820#ifdef __linux__
thsefe75412007-08-24 01:36:32 +0000821 {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
822 dynticks_stop_timer, dynticks_rearm_timer, NULL},
thsc40ec5a2007-08-19 22:09:40 +0000823 /* HPET - if available - is preferred */
thsefe75412007-08-24 01:36:32 +0000824 {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
thsc40ec5a2007-08-19 22:09:40 +0000825 /* ...otherwise try RTC */
thsefe75412007-08-24 01:36:32 +0000826 {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
thsc8994012007-08-19 21:56:03 +0000827#endif
thsefe75412007-08-24 01:36:32 +0000828 {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
thsc8994012007-08-19 21:56:03 +0000829#else
thsefe75412007-08-24 01:36:32 +0000830 {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
831 win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
832 {"win32", 0, win32_start_timer,
833 win32_stop_timer, NULL, &alarm_win32_data},
thsc8994012007-08-19 21:56:03 +0000834#endif
835 {NULL, }
836};
837
blueswir13f47aa82008-03-09 06:59:01 +0000838static void show_available_alarms(void)
thsf3dcfad2007-08-24 01:26:02 +0000839{
840 int i;
841
842 printf("Available alarm timers, in order of precedence:\n");
843 for (i = 0; alarm_timers[i].name; i++)
844 printf("%s\n", alarm_timers[i].name);
845}
846
847static void configure_alarms(char const *opt)
848{
849 int i;
850 int cur = 0;
malcb1503cd2008-12-22 20:33:55 +0000851 int count = ARRAY_SIZE(alarm_timers) - 1;
thsf3dcfad2007-08-24 01:26:02 +0000852 char *arg;
853 char *name;
pbrook2e70f6e2008-06-29 01:03:05 +0000854 struct qemu_alarm_timer tmp;
thsf3dcfad2007-08-24 01:26:02 +0000855
aurel323adda042008-03-09 23:43:49 +0000856 if (!strcmp(opt, "?")) {
thsf3dcfad2007-08-24 01:26:02 +0000857 show_available_alarms();
858 exit(0);
859 }
860
Jean-Christophe DUBOIS73ffc802009-09-02 23:59:06 +0200861 arg = qemu_strdup(opt);
thsf3dcfad2007-08-24 01:26:02 +0000862
863 /* Reorder the array */
864 name = strtok(arg, ",");
865 while (name) {
balroge2b577e2007-09-17 21:25:20 +0000866 for (i = 0; i < count && alarm_timers[i].name; i++) {
thsf3dcfad2007-08-24 01:26:02 +0000867 if (!strcmp(alarm_timers[i].name, name))
868 break;
869 }
870
871 if (i == count) {
872 fprintf(stderr, "Unknown clock %s\n", name);
873 goto next;
874 }
875
876 if (i < cur)
877 /* Ignore */
878 goto next;
879
880 /* Swap */
881 tmp = alarm_timers[i];
882 alarm_timers[i] = alarm_timers[cur];
883 alarm_timers[cur] = tmp;
884
885 cur++;
886next:
887 name = strtok(NULL, ",");
888 }
889
Jean-Christophe DUBOIS73ffc802009-09-02 23:59:06 +0200890 qemu_free(arg);
thsf3dcfad2007-08-24 01:26:02 +0000891
892 if (cur) {
pbrook2e70f6e2008-06-29 01:03:05 +0000893 /* Disable remaining timers */
thsf3dcfad2007-08-24 01:26:02 +0000894 for (i = cur; i < count; i++)
895 alarm_timers[i].name = NULL;
aurel323adda042008-03-09 23:43:49 +0000896 } else {
897 show_available_alarms();
898 exit(1);
thsf3dcfad2007-08-24 01:26:02 +0000899 }
thsf3dcfad2007-08-24 01:26:02 +0000900}
901
bellard8a7ddc32004-03-31 19:00:16 +0000902QEMUClock *rt_clock;
903QEMUClock *vm_clock;
904
905static QEMUTimer *active_timers[2];
bellard8a7ddc32004-03-31 19:00:16 +0000906
pbrook9596ebb2007-11-18 01:44:38 +0000907static QEMUClock *qemu_new_clock(int type)
bellard8a7ddc32004-03-31 19:00:16 +0000908{
909 QEMUClock *clock;
910 clock = qemu_mallocz(sizeof(QEMUClock));
bellard8a7ddc32004-03-31 19:00:16 +0000911 clock->type = type;
912 return clock;
913}
914
915QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
916{
917 QEMUTimer *ts;
918
919 ts = qemu_mallocz(sizeof(QEMUTimer));
920 ts->clock = clock;
921 ts->cb = cb;
922 ts->opaque = opaque;
923 return ts;
924}
925
926void qemu_free_timer(QEMUTimer *ts)
927{
928 qemu_free(ts);
929}
930
931/* stop a timer, but do not dealloc it */
932void qemu_del_timer(QEMUTimer *ts)
933{
934 QEMUTimer **pt, *t;
935
936 /* NOTE: this code must be signal safe because
937 qemu_timer_expired() can be called from a signal. */
938 pt = &active_timers[ts->clock->type];
939 for(;;) {
940 t = *pt;
941 if (!t)
942 break;
943 if (t == ts) {
944 *pt = t->next;
945 break;
946 }
947 pt = &t->next;
948 }
949}
950
951/* modify the current timer so that it will be fired when current_time
952 >= expire_time. The corresponding callback will be called. */
953void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
954{
955 QEMUTimer **pt, *t;
956
957 qemu_del_timer(ts);
958
959 /* add the timer in the sorted list */
960 /* NOTE: this code must be signal safe because
961 qemu_timer_expired() can be called from a signal. */
962 pt = &active_timers[ts->clock->type];
963 for(;;) {
964 t = *pt;
965 if (!t)
966 break;
ths5fafdf22007-09-16 21:08:06 +0000967 if (t->expire_time > expire_time)
bellard8a7ddc32004-03-31 19:00:16 +0000968 break;
969 pt = &t->next;
970 }
971 ts->expire_time = expire_time;
972 ts->next = *pt;
973 *pt = ts;
balrogd5d08332008-01-05 19:41:47 +0000974
975 /* Rearm if necessary */
pbrook2e70f6e2008-06-29 01:03:05 +0000976 if (pt == &active_timers[ts->clock->type]) {
977 if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) {
978 qemu_rearm_alarm_timer(alarm_timer);
979 }
980 /* Interrupt execution to force deadline recalculation. */
aliguorid9f75a42009-04-24 18:03:11 +0000981 if (use_icount)
982 qemu_notify_event();
pbrook2e70f6e2008-06-29 01:03:05 +0000983 }
bellard8a7ddc32004-03-31 19:00:16 +0000984}
985
986int qemu_timer_pending(QEMUTimer *ts)
987{
988 QEMUTimer *t;
989 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
990 if (t == ts)
991 return 1;
992 }
993 return 0;
994}
995
Stefano Stabellini2430ffe2009-08-03 10:56:01 +0100996int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
bellard8a7ddc32004-03-31 19:00:16 +0000997{
998 if (!timer_head)
999 return 0;
1000 return (timer_head->expire_time <= current_time);
1001}
1002
1003static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
1004{
1005 QEMUTimer *ts;
ths3b46e622007-09-17 08:09:54 +00001006
bellard8a7ddc32004-03-31 19:00:16 +00001007 for(;;) {
1008 ts = *ptimer_head;
bellarde95c8d52004-09-30 22:22:08 +00001009 if (!ts || ts->expire_time > current_time)
bellard8a7ddc32004-03-31 19:00:16 +00001010 break;
1011 /* remove timer from the list before calling the callback */
1012 *ptimer_head = ts->next;
1013 ts->next = NULL;
ths3b46e622007-09-17 08:09:54 +00001014
bellard8a7ddc32004-03-31 19:00:16 +00001015 /* run the callback (the timer list can be modified) */
1016 ts->cb(ts->opaque);
1017 }
1018}
1019
1020int64_t qemu_get_clock(QEMUClock *clock)
1021{
1022 switch(clock->type) {
1023 case QEMU_TIMER_REALTIME:
bellard1dce7c32006-07-13 23:20:22 +00001024 return get_clock() / 1000000;
bellard8a7ddc32004-03-31 19:00:16 +00001025 default:
1026 case QEMU_TIMER_VIRTUAL:
pbrook2e70f6e2008-06-29 01:03:05 +00001027 if (use_icount) {
1028 return cpu_get_icount();
1029 } else {
1030 return cpu_get_clock();
1031 }
bellard8a7ddc32004-03-31 19:00:16 +00001032 }
1033}
1034
bellard1dce7c32006-07-13 23:20:22 +00001035static void init_timers(void)
1036{
1037 init_get_clock();
1038 ticks_per_sec = QEMU_TIMER_BASE;
1039 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
1040 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
1041}
1042
bellard8a7ddc32004-03-31 19:00:16 +00001043/* save a timer */
1044void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
1045{
1046 uint64_t expire_time;
1047
1048 if (qemu_timer_pending(ts)) {
1049 expire_time = ts->expire_time;
1050 } else {
1051 expire_time = -1;
1052 }
1053 qemu_put_be64(f, expire_time);
1054}
1055
1056void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
1057{
1058 uint64_t expire_time;
1059
1060 expire_time = qemu_get_be64(f);
1061 if (expire_time != -1) {
1062 qemu_mod_timer(ts, expire_time);
1063 } else {
1064 qemu_del_timer(ts);
1065 }
1066}
1067
1068static void timer_save(QEMUFile *f, void *opaque)
1069{
1070 if (cpu_ticks_enabled) {
1071 hw_error("cannot save state if virtual timers are running");
1072 }
thsbee8d682007-12-16 23:41:11 +00001073 qemu_put_be64(f, cpu_ticks_offset);
1074 qemu_put_be64(f, ticks_per_sec);
1075 qemu_put_be64(f, cpu_clock_offset);
bellard8a7ddc32004-03-31 19:00:16 +00001076}
1077
1078static int timer_load(QEMUFile *f, void *opaque, int version_id)
1079{
bellardc88676f2006-08-06 13:36:11 +00001080 if (version_id != 1 && version_id != 2)
bellard8a7ddc32004-03-31 19:00:16 +00001081 return -EINVAL;
1082 if (cpu_ticks_enabled) {
1083 return -EINVAL;
1084 }
thsbee8d682007-12-16 23:41:11 +00001085 cpu_ticks_offset=qemu_get_be64(f);
1086 ticks_per_sec=qemu_get_be64(f);
bellardc88676f2006-08-06 13:36:11 +00001087 if (version_id == 2) {
thsbee8d682007-12-16 23:41:11 +00001088 cpu_clock_offset=qemu_get_be64(f);
bellardc88676f2006-08-06 13:36:11 +00001089 }
bellard8a7ddc32004-03-31 19:00:16 +00001090 return 0;
1091}
1092
aliguori50317c72009-04-24 18:03:29 +00001093static void qemu_event_increment(void);
1094
bellard67b915a2004-03-31 23:37:16 +00001095#ifdef _WIN32
blueswir1b9e82a52009-04-05 18:03:31 +00001096static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
1097 DWORD_PTR dwUser, DWORD_PTR dw1,
1098 DWORD_PTR dw2)
bellard67b915a2004-03-31 23:37:16 +00001099#else
bellard8a7ddc32004-03-31 19:00:16 +00001100static void host_alarm_handler(int host_signum)
bellard67b915a2004-03-31 23:37:16 +00001101#endif
bellard8a7ddc32004-03-31 19:00:16 +00001102{
bellard02ba45c2004-06-25 14:46:23 +00001103#if 0
1104#define DISP_FREQ 1000
1105 {
1106 static int64_t delta_min = INT64_MAX;
1107 static int64_t delta_max, delta_cum, last_clock, delta, ti;
1108 static int count;
1109 ti = qemu_get_clock(vm_clock);
1110 if (last_clock != 0) {
1111 delta = ti - last_clock;
1112 if (delta < delta_min)
1113 delta_min = delta;
1114 if (delta > delta_max)
1115 delta_max = delta;
1116 delta_cum += delta;
1117 if (++count == DISP_FREQ) {
bellard26a76462006-06-25 18:15:32 +00001118 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
bellard02ba45c2004-06-25 14:46:23 +00001119 muldiv64(delta_min, 1000000, ticks_per_sec),
1120 muldiv64(delta_max, 1000000, ticks_per_sec),
1121 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
1122 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
1123 count = 0;
1124 delta_min = INT64_MAX;
1125 delta_max = 0;
1126 delta_cum = 0;
1127 }
1128 }
1129 last_clock = ti;
1130 }
1131#endif
thsefe75412007-08-24 01:36:32 +00001132 if (alarm_has_dynticks(alarm_timer) ||
pbrook2e70f6e2008-06-29 01:03:05 +00001133 (!use_icount &&
1134 qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
1135 qemu_get_clock(vm_clock))) ||
bellard8a7ddc32004-03-31 19:00:16 +00001136 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
1137 qemu_get_clock(rt_clock))) {
aliguori50317c72009-04-24 18:03:29 +00001138 qemu_event_increment();
Jean-Christophe Duboise3323402009-05-17 18:38:39 +02001139 if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED;
balrogd5d08332008-01-05 19:41:47 +00001140
aliguorid6dc3d42009-04-24 18:04:07 +00001141#ifndef CONFIG_IOTHREAD
1142 if (next_cpu) {
balrog4f8eb8d2007-12-16 12:39:38 +00001143 /* stop the currently executing cpu because a timer occured */
aliguorid6dc3d42009-04-24 18:04:07 +00001144 cpu_exit(next_cpu);
balrog4f8eb8d2007-12-16 12:39:38 +00001145 }
aliguorid6dc3d42009-04-24 18:04:07 +00001146#endif
aliguori43b96852009-04-24 18:03:33 +00001147 timer_alarm_pending = 1;
aliguorid9f75a42009-04-24 18:03:11 +00001148 qemu_notify_event();
bellard8a7ddc32004-03-31 19:00:16 +00001149 }
1150}
1151
pbrook2e70f6e2008-06-29 01:03:05 +00001152static int64_t qemu_next_deadline(void)
thsefe75412007-08-24 01:36:32 +00001153{
pbrook2e70f6e2008-06-29 01:03:05 +00001154 int64_t delta;
thsefe75412007-08-24 01:36:32 +00001155
1156 if (active_timers[QEMU_TIMER_VIRTUAL]) {
pbrook2e70f6e2008-06-29 01:03:05 +00001157 delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time -
1158 qemu_get_clock(vm_clock);
1159 } else {
1160 /* To avoid problems with overflow limit this to 2^32. */
1161 delta = INT32_MAX;
thsefe75412007-08-24 01:36:32 +00001162 }
1163
pbrook2e70f6e2008-06-29 01:03:05 +00001164 if (delta < 0)
1165 delta = 0;
thsefe75412007-08-24 01:36:32 +00001166
pbrook2e70f6e2008-06-29 01:03:05 +00001167 return delta;
1168}
1169
blueswir18632fb92008-09-14 13:59:34 +00001170#if defined(__linux__) || defined(_WIN32)
pbrook2e70f6e2008-06-29 01:03:05 +00001171static uint64_t qemu_next_deadline_dyntick(void)
1172{
1173 int64_t delta;
1174 int64_t rtdelta;
1175
1176 if (use_icount)
1177 delta = INT32_MAX;
1178 else
1179 delta = (qemu_next_deadline() + 999) / 1000;
1180
1181 if (active_timers[QEMU_TIMER_REALTIME]) {
1182 rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time -
1183 qemu_get_clock(rt_clock))*1000;
1184 if (rtdelta < delta)
1185 delta = rtdelta;
1186 }
1187
1188 if (delta < MIN_TIMER_REARM_US)
1189 delta = MIN_TIMER_REARM_US;
1190
1191 return delta;
thsefe75412007-08-24 01:36:32 +00001192}
blueswir18632fb92008-09-14 13:59:34 +00001193#endif
thsefe75412007-08-24 01:36:32 +00001194
bellardfd872592004-05-12 19:11:15 +00001195#ifndef _WIN32
1196
aliguori7183b4b2008-11-05 20:40:18 +00001197/* Sets a specific flag */
1198static int fcntl_setfl(int fd, int flag)
1199{
1200 int flags;
1201
1202 flags = fcntl(fd, F_GETFL);
1203 if (flags == -1)
1204 return -errno;
1205
1206 if (fcntl(fd, F_SETFL, flags | flag) == -1)
1207 return -errno;
1208
1209 return 0;
1210}
1211
bellard829309c2004-05-20 13:20:12 +00001212#if defined(__linux__)
1213
bellardfd872592004-05-12 19:11:15 +00001214#define RTC_FREQ 1024
1215
aurel32de9a95f2008-11-11 13:41:01 +00001216static void enable_sigio_timer(int fd)
bellardfd872592004-05-12 19:11:15 +00001217{
thsc8994012007-08-19 21:56:03 +00001218 struct sigaction act;
1219
1220 /* timer signal */
1221 sigfillset(&act.sa_mask);
1222 act.sa_flags = 0;
thsc8994012007-08-19 21:56:03 +00001223 act.sa_handler = host_alarm_handler;
1224
1225 sigaction(SIGIO, &act, NULL);
aliguori7183b4b2008-11-05 20:40:18 +00001226 fcntl_setfl(fd, O_ASYNC);
thsc8994012007-08-19 21:56:03 +00001227 fcntl(fd, F_SETOWN, getpid());
1228}
1229
thsc40ec5a2007-08-19 22:09:40 +00001230static int hpet_start_timer(struct qemu_alarm_timer *t)
1231{
1232 struct hpet_info info;
1233 int r, fd;
1234
1235 fd = open("/dev/hpet", O_RDONLY);
1236 if (fd < 0)
1237 return -1;
1238
1239 /* Set frequency */
1240 r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ);
1241 if (r < 0) {
1242 fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1243 "error, but for better emulation accuracy type:\n"
1244 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1245 goto fail;
1246 }
1247
1248 /* Check capabilities */
1249 r = ioctl(fd, HPET_INFO, &info);
1250 if (r < 0)
1251 goto fail;
1252
1253 /* Enable periodic mode */
1254 r = ioctl(fd, HPET_EPI, 0);
1255 if (info.hi_flags && (r < 0))
1256 goto fail;
1257
1258 /* Enable interrupt */
1259 r = ioctl(fd, HPET_IE_ON, 0);
1260 if (r < 0)
1261 goto fail;
1262
1263 enable_sigio_timer(fd);
pbrookfcdc2122007-08-23 20:22:22 +00001264 t->priv = (void *)(long)fd;
thsc40ec5a2007-08-19 22:09:40 +00001265
1266 return 0;
1267fail:
1268 close(fd);
1269 return -1;
1270}
1271
1272static void hpet_stop_timer(struct qemu_alarm_timer *t)
1273{
pbrookfcdc2122007-08-23 20:22:22 +00001274 int fd = (long)t->priv;
thsc40ec5a2007-08-19 22:09:40 +00001275
1276 close(fd);
1277}
1278
thsc8994012007-08-19 21:56:03 +00001279static int rtc_start_timer(struct qemu_alarm_timer *t)
1280{
1281 int rtc_fd;
balrogb5a23ad2008-02-03 03:45:47 +00001282 unsigned long current_rtc_freq = 0;
thsc8994012007-08-19 21:56:03 +00001283
balrogaeb30be2007-07-02 15:03:13 +00001284 TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
bellardfd872592004-05-12 19:11:15 +00001285 if (rtc_fd < 0)
1286 return -1;
balrogb5a23ad2008-02-03 03:45:47 +00001287 ioctl(rtc_fd, RTC_IRQP_READ, &current_rtc_freq);
1288 if (current_rtc_freq != RTC_FREQ &&
1289 ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
bellardfd872592004-05-12 19:11:15 +00001290 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1291 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1292 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1293 goto fail;
1294 }
1295 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1296 fail:
1297 close(rtc_fd);
1298 return -1;
1299 }
thsc8994012007-08-19 21:56:03 +00001300
1301 enable_sigio_timer(rtc_fd);
1302
pbrookfcdc2122007-08-23 20:22:22 +00001303 t->priv = (void *)(long)rtc_fd;
thsc8994012007-08-19 21:56:03 +00001304
bellardfd872592004-05-12 19:11:15 +00001305 return 0;
1306}
1307
thsc8994012007-08-19 21:56:03 +00001308static void rtc_stop_timer(struct qemu_alarm_timer *t)
bellard829309c2004-05-20 13:20:12 +00001309{
pbrookfcdc2122007-08-23 20:22:22 +00001310 int rtc_fd = (long)t->priv;
thsc8994012007-08-19 21:56:03 +00001311
1312 close(rtc_fd);
bellard829309c2004-05-20 13:20:12 +00001313}
1314
thsefe75412007-08-24 01:36:32 +00001315static int dynticks_start_timer(struct qemu_alarm_timer *t)
1316{
1317 struct sigevent ev;
1318 timer_t host_timer;
1319 struct sigaction act;
1320
1321 sigfillset(&act.sa_mask);
1322 act.sa_flags = 0;
thsefe75412007-08-24 01:36:32 +00001323 act.sa_handler = host_alarm_handler;
1324
1325 sigaction(SIGALRM, &act, NULL);
1326
Jean-Christophe Dubois9ed415b2009-05-17 18:41:16 +02001327 /*
1328 * Initialize ev struct to 0 to avoid valgrind complaining
1329 * about uninitialized data in timer_create call
1330 */
1331 memset(&ev, 0, sizeof(ev));
thsefe75412007-08-24 01:36:32 +00001332 ev.sigev_value.sival_int = 0;
1333 ev.sigev_notify = SIGEV_SIGNAL;
1334 ev.sigev_signo = SIGALRM;
1335
1336 if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
1337 perror("timer_create");
1338
1339 /* disable dynticks */
1340 fprintf(stderr, "Dynamic Ticks disabled\n");
1341
1342 return -1;
1343 }
1344
blueswir10399bfe2008-11-16 11:37:18 +00001345 t->priv = (void *)(long)host_timer;
thsefe75412007-08-24 01:36:32 +00001346
1347 return 0;
1348}
1349
1350static void dynticks_stop_timer(struct qemu_alarm_timer *t)
1351{
blueswir10399bfe2008-11-16 11:37:18 +00001352 timer_t host_timer = (timer_t)(long)t->priv;
thsefe75412007-08-24 01:36:32 +00001353
1354 timer_delete(host_timer);
1355}
1356
1357static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
1358{
blueswir10399bfe2008-11-16 11:37:18 +00001359 timer_t host_timer = (timer_t)(long)t->priv;
thsefe75412007-08-24 01:36:32 +00001360 struct itimerspec timeout;
1361 int64_t nearest_delta_us = INT64_MAX;
1362 int64_t current_us;
1363
1364 if (!active_timers[QEMU_TIMER_REALTIME] &&
1365 !active_timers[QEMU_TIMER_VIRTUAL])
balrogd5d08332008-01-05 19:41:47 +00001366 return;
thsefe75412007-08-24 01:36:32 +00001367
pbrook2e70f6e2008-06-29 01:03:05 +00001368 nearest_delta_us = qemu_next_deadline_dyntick();
thsefe75412007-08-24 01:36:32 +00001369
1370 /* check whether a timer is already running */
1371 if (timer_gettime(host_timer, &timeout)) {
1372 perror("gettime");
1373 fprintf(stderr, "Internal timer error: aborting\n");
1374 exit(1);
1375 }
1376 current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000;
1377 if (current_us && current_us <= nearest_delta_us)
1378 return;
1379
1380 timeout.it_interval.tv_sec = 0;
1381 timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */
1382 timeout.it_value.tv_sec = nearest_delta_us / 1000000;
1383 timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000;
1384 if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) {
1385 perror("settime");
1386 fprintf(stderr, "Internal timer error: aborting\n");
1387 exit(1);
1388 }
1389}
1390
ths70744b32007-08-26 17:31:30 +00001391#endif /* defined(__linux__) */
ths231c6582007-08-26 17:29:15 +00001392
thsc8994012007-08-19 21:56:03 +00001393static int unix_start_timer(struct qemu_alarm_timer *t)
1394{
1395 struct sigaction act;
1396 struct itimerval itv;
1397 int err;
1398
1399 /* timer signal */
1400 sigfillset(&act.sa_mask);
1401 act.sa_flags = 0;
thsc8994012007-08-19 21:56:03 +00001402 act.sa_handler = host_alarm_handler;
1403
1404 sigaction(SIGALRM, &act, NULL);
1405
1406 itv.it_interval.tv_sec = 0;
1407 /* for i386 kernel 2.6 to get 1 ms */
1408 itv.it_interval.tv_usec = 999;
1409 itv.it_value.tv_sec = 0;
1410 itv.it_value.tv_usec = 10 * 1000;
1411
1412 err = setitimer(ITIMER_REAL, &itv, NULL);
1413 if (err)
1414 return -1;
1415
1416 return 0;
1417}
1418
1419static void unix_stop_timer(struct qemu_alarm_timer *t)
1420{
1421 struct itimerval itv;
1422
1423 memset(&itv, 0, sizeof(itv));
1424 setitimer(ITIMER_REAL, &itv, NULL);
1425}
1426
bellard829309c2004-05-20 13:20:12 +00001427#endif /* !defined(_WIN32) */
bellardfd872592004-05-12 19:11:15 +00001428
aliguorif49e58d2008-11-05 21:22:34 +00001429
thsc8994012007-08-19 21:56:03 +00001430#ifdef _WIN32
1431
1432static int win32_start_timer(struct qemu_alarm_timer *t)
1433{
1434 TIMECAPS tc;
1435 struct qemu_alarm_win32 *data = t->priv;
thsefe75412007-08-24 01:36:32 +00001436 UINT flags;
thsc8994012007-08-19 21:56:03 +00001437
thsc8994012007-08-19 21:56:03 +00001438 memset(&tc, 0, sizeof(tc));
1439 timeGetDevCaps(&tc, sizeof(tc));
1440
1441 if (data->period < tc.wPeriodMin)
1442 data->period = tc.wPeriodMin;
1443
1444 timeBeginPeriod(data->period);
1445
thsefe75412007-08-24 01:36:32 +00001446 flags = TIME_CALLBACK_FUNCTION;
1447 if (alarm_has_dynticks(t))
1448 flags |= TIME_ONESHOT;
1449 else
1450 flags |= TIME_PERIODIC;
1451
thsc8994012007-08-19 21:56:03 +00001452 data->timerId = timeSetEvent(1, // interval (ms)
1453 data->period, // resolution
1454 host_alarm_handler, // function
1455 (DWORD)t, // parameter
thsefe75412007-08-24 01:36:32 +00001456 flags);
thsc8994012007-08-19 21:56:03 +00001457
1458 if (!data->timerId) {
1459 perror("Failed to initialize win32 alarm timer");
thsc8994012007-08-19 21:56:03 +00001460 timeEndPeriod(data->period);
thsc8994012007-08-19 21:56:03 +00001461 return -1;
1462 }
1463
thsc8994012007-08-19 21:56:03 +00001464 return 0;
1465}
1466
1467static void win32_stop_timer(struct qemu_alarm_timer *t)
1468{
1469 struct qemu_alarm_win32 *data = t->priv;
1470
1471 timeKillEvent(data->timerId);
1472 timeEndPeriod(data->period);
thsc8994012007-08-19 21:56:03 +00001473}
1474
thsefe75412007-08-24 01:36:32 +00001475static void win32_rearm_timer(struct qemu_alarm_timer *t)
1476{
1477 struct qemu_alarm_win32 *data = t->priv;
1478 uint64_t nearest_delta_us;
1479
1480 if (!active_timers[QEMU_TIMER_REALTIME] &&
1481 !active_timers[QEMU_TIMER_VIRTUAL])
balrogd5d08332008-01-05 19:41:47 +00001482 return;
thsefe75412007-08-24 01:36:32 +00001483
pbrook2e70f6e2008-06-29 01:03:05 +00001484 nearest_delta_us = qemu_next_deadline_dyntick();
thsefe75412007-08-24 01:36:32 +00001485 nearest_delta_us /= 1000;
1486
1487 timeKillEvent(data->timerId);
1488
1489 data->timerId = timeSetEvent(1,
1490 data->period,
1491 host_alarm_handler,
1492 (DWORD)t,
1493 TIME_ONESHOT | TIME_PERIODIC);
1494
1495 if (!data->timerId) {
1496 perror("Failed to re-arm win32 alarm timer");
1497
1498 timeEndPeriod(data->period);
thsefe75412007-08-24 01:36:32 +00001499 exit(1);
1500 }
1501}
1502
thsc8994012007-08-19 21:56:03 +00001503#endif /* _WIN32 */
1504
aliguori7183b4b2008-11-05 20:40:18 +00001505static int init_timer_alarm(void)
bellard8a7ddc32004-03-31 19:00:16 +00001506{
blueswir1223f0d72008-09-30 18:12:18 +00001507 struct qemu_alarm_timer *t = NULL;
thsc8994012007-08-19 21:56:03 +00001508 int i, err = -1;
aliguorif49e58d2008-11-05 21:22:34 +00001509
thsc8994012007-08-19 21:56:03 +00001510 for (i = 0; alarm_timers[i].name; i++) {
1511 t = &alarm_timers[i];
1512
thsc8994012007-08-19 21:56:03 +00001513 err = t->start(t);
1514 if (!err)
1515 break;
bellard67b915a2004-03-31 23:37:16 +00001516 }
bellardfd872592004-05-12 19:11:15 +00001517
thsc8994012007-08-19 21:56:03 +00001518 if (err) {
aliguori7183b4b2008-11-05 20:40:18 +00001519 err = -ENOENT;
1520 goto fail;
bellard67b915a2004-03-31 23:37:16 +00001521 }
thsc8994012007-08-19 21:56:03 +00001522
1523 alarm_timer = t;
aliguori7183b4b2008-11-05 20:40:18 +00001524
aliguori6abfbd72008-11-05 20:49:37 +00001525 return 0;
aliguori7183b4b2008-11-05 20:40:18 +00001526
1527fail:
aliguori7183b4b2008-11-05 20:40:18 +00001528 return err;
bellard8a7ddc32004-03-31 19:00:16 +00001529}
1530
pbrook9596ebb2007-11-18 01:44:38 +00001531static void quit_timers(void)
bellard40c3bac2004-04-04 12:56:28 +00001532{
thsc8994012007-08-19 21:56:03 +00001533 alarm_timer->stop(alarm_timer);
1534 alarm_timer = NULL;
bellard40c3bac2004-04-04 12:56:28 +00001535}
1536
bellardc4b1fcc2004-03-14 21:44:30 +00001537/***********************************************************/
balrogf6503052008-02-17 11:42:19 +00001538/* host time/date access */
1539void qemu_get_timedate(struct tm *tm, int offset)
1540{
1541 time_t ti;
1542 struct tm *ret;
1543
1544 time(&ti);
1545 ti += offset;
1546 if (rtc_date_offset == -1) {
1547 if (rtc_utc)
1548 ret = gmtime(&ti);
1549 else
1550 ret = localtime(&ti);
1551 } else {
1552 ti -= rtc_date_offset;
1553 ret = gmtime(&ti);
1554 }
1555
1556 memcpy(tm, ret, sizeof(struct tm));
1557}
1558
1559int qemu_timedate_diff(struct tm *tm)
1560{
1561 time_t seconds;
1562
1563 if (rtc_date_offset == -1)
1564 if (rtc_utc)
1565 seconds = mktimegm(tm);
1566 else
1567 seconds = mktime(tm);
1568 else
1569 seconds = mktimegm(tm) + rtc_date_offset;
1570
1571 return seconds - time(NULL);
1572}
1573
bellardfd1dff42006-02-01 21:29:26 +00001574#ifdef _WIN32
bellardfd1dff42006-02-01 21:29:26 +00001575static void socket_cleanup(void)
1576{
1577 WSACleanup();
1578}
bellard82c643f2004-07-14 17:28:13 +00001579
bellardfd1dff42006-02-01 21:29:26 +00001580static int socket_init(void)
1581{
1582 WSADATA Data;
1583 int ret, err;
1584
1585 ret = WSAStartup(MAKEWORD(2,2), &Data);
1586 if (ret != 0) {
1587 err = WSAGetLastError();
1588 fprintf(stderr, "WSAStartup: %d\n", err);
1589 return -1;
1590 }
1591 atexit(socket_cleanup);
1592 return 0;
1593}
aurel3264b7b732008-05-05 10:05:31 +00001594#endif
1595
balrog1ae26a12008-09-28 23:19:47 +00001596/***********************************************************/
1597/* Bluetooth support */
1598static int nb_hcis;
1599static int cur_hci;
1600static struct HCIInfo *hci_table[MAX_NICS];
balrogdc72ac12008-11-09 00:04:26 +00001601
balrog1ae26a12008-09-28 23:19:47 +00001602static struct bt_vlan_s {
1603 struct bt_scatternet_s net;
1604 int id;
1605 struct bt_vlan_s *next;
1606} *first_bt_vlan;
1607
1608/* find or alloc a new bluetooth "VLAN" */
blueswir1674bb262008-09-30 18:18:27 +00001609static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
balrog1ae26a12008-09-28 23:19:47 +00001610{
1611 struct bt_vlan_s **pvlan, *vlan;
1612 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
1613 if (vlan->id == id)
1614 return &vlan->net;
1615 }
1616 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
1617 vlan->id = id;
1618 pvlan = &first_bt_vlan;
1619 while (*pvlan != NULL)
1620 pvlan = &(*pvlan)->next;
1621 *pvlan = vlan;
1622 return &vlan->net;
1623}
1624
1625static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
1626{
1627}
1628
1629static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
1630{
1631 return -ENOTSUP;
1632}
1633
1634static struct HCIInfo null_hci = {
1635 .cmd_send = null_hci_send,
1636 .sco_send = null_hci_send,
1637 .acl_send = null_hci_send,
1638 .bdaddr_set = null_hci_addr_set,
1639};
1640
1641struct HCIInfo *qemu_next_hci(void)
1642{
1643 if (cur_hci == nb_hcis)
1644 return &null_hci;
1645
1646 return hci_table[cur_hci++];
1647}
1648
balrogdc72ac12008-11-09 00:04:26 +00001649static struct HCIInfo *hci_init(const char *str)
1650{
1651 char *endp;
1652 struct bt_scatternet_s *vlan = 0;
1653
1654 if (!strcmp(str, "null"))
1655 /* null */
1656 return &null_hci;
1657 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
1658 /* host[:hciN] */
1659 return bt_host_hci(str[4] ? str + 5 : "hci0");
1660 else if (!strncmp(str, "hci", 3)) {
1661 /* hci[,vlan=n] */
1662 if (str[3]) {
1663 if (!strncmp(str + 3, ",vlan=", 6)) {
1664 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
1665 if (*endp)
1666 vlan = 0;
1667 }
1668 } else
1669 vlan = qemu_find_bt_vlan(0);
1670 if (vlan)
1671 return bt_new_hci(vlan);
1672 }
1673
1674 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
1675
1676 return 0;
1677}
1678
1679static int bt_hci_parse(const char *str)
1680{
1681 struct HCIInfo *hci;
1682 bdaddr_t bdaddr;
1683
1684 if (nb_hcis >= MAX_NICS) {
1685 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
1686 return -1;
1687 }
1688
1689 hci = hci_init(str);
1690 if (!hci)
1691 return -1;
1692
1693 bdaddr.b[0] = 0x52;
1694 bdaddr.b[1] = 0x54;
1695 bdaddr.b[2] = 0x00;
1696 bdaddr.b[3] = 0x12;
1697 bdaddr.b[4] = 0x34;
1698 bdaddr.b[5] = 0x56 + nb_hcis;
1699 hci->bdaddr_set(hci, bdaddr.b);
1700
1701 hci_table[nb_hcis++] = hci;
1702
1703 return 0;
1704}
1705
1706static void bt_vhci_add(int vlan_id)
1707{
1708 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
1709
1710 if (!vlan->slave)
1711 fprintf(stderr, "qemu: warning: adding a VHCI to "
1712 "an empty scatternet %i\n", vlan_id);
1713
1714 bt_vhci_init(bt_new_hci(vlan));
1715}
1716
1717static struct bt_device_s *bt_device_add(const char *opt)
1718{
1719 struct bt_scatternet_s *vlan;
1720 int vlan_id = 0;
1721 char *endp = strstr(opt, ",vlan=");
1722 int len = (endp ? endp - opt : strlen(opt)) + 1;
1723 char devname[10];
1724
1725 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1726
1727 if (endp) {
1728 vlan_id = strtol(endp + 6, &endp, 0);
1729 if (*endp) {
1730 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
1731 return 0;
1732 }
1733 }
1734
1735 vlan = qemu_find_bt_vlan(vlan_id);
1736
1737 if (!vlan->slave)
1738 fprintf(stderr, "qemu: warning: adding a slave device to "
1739 "an empty scatternet %i\n", vlan_id);
1740
1741 if (!strcmp(devname, "keyboard"))
1742 return bt_keyboard_init(vlan);
1743
1744 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
1745 return 0;
1746}
1747
1748static int bt_parse(const char *opt)
1749{
1750 const char *endp, *p;
1751 int vlan;
1752
1753 if (strstart(opt, "hci", &endp)) {
1754 if (!*endp || *endp == ',') {
1755 if (*endp)
1756 if (!strstart(endp, ",vlan=", 0))
1757 opt = endp + 1;
1758
1759 return bt_hci_parse(opt);
1760 }
1761 } else if (strstart(opt, "vhci", &endp)) {
1762 if (!*endp || *endp == ',') {
1763 if (*endp) {
1764 if (strstart(endp, ",vlan=", &p)) {
1765 vlan = strtol(p, (char **) &endp, 0);
1766 if (*endp) {
1767 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1768 return 1;
1769 }
1770 } else {
1771 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1772 return 1;
1773 }
1774 } else
1775 vlan = 0;
1776
1777 bt_vhci_add(vlan);
1778 return 0;
1779 }
1780 } else if (strstart(opt, "device:", &endp))
1781 return !bt_device_add(endp);
1782
1783 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1784 return 1;
1785}
1786
balrog1ae26a12008-09-28 23:19:47 +00001787/***********************************************************/
1788/* QEMU Block devices */
1789
balrog609497a2008-01-14 02:56:53 +00001790#define HD_ALIAS "index=%d,media=disk"
thse4bcb142007-12-02 04:51:10 +00001791#define CDROM_ALIAS "index=2,media=cdrom"
thse4bcb142007-12-02 04:51:10 +00001792#define FD_ALIAS "index=%d,if=floppy"
balrog609497a2008-01-14 02:56:53 +00001793#define PFLASH_ALIAS "if=pflash"
1794#define MTD_ALIAS "if=mtd"
balrog9d413d12007-12-04 00:10:34 +00001795#define SD_ALIAS "index=0,if=sd"
thse4bcb142007-12-02 04:51:10 +00001796
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001797QemuOpts *drive_add(const char *file, const char *fmt, ...)
thse4bcb142007-12-02 04:51:10 +00001798{
1799 va_list ap;
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001800 char optstr[1024];
1801 QemuOpts *opts;
thse4bcb142007-12-02 04:51:10 +00001802
thse4bcb142007-12-02 04:51:10 +00001803 va_start(ap, fmt);
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001804 vsnprintf(optstr, sizeof(optstr), fmt, ap);
thse4bcb142007-12-02 04:51:10 +00001805 va_end(ap);
1806
Gerd Hoffmann7282a032009-07-31 12:25:35 +02001807 opts = qemu_opts_parse(&qemu_drive_opts, optstr, NULL);
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001808 if (!opts) {
1809 fprintf(stderr, "%s: huh? duplicate? (%s)\n",
1810 __FUNCTION__, optstr);
1811 return NULL;
1812 }
1813 if (file)
1814 qemu_opt_set(opts, "file", file);
1815 return opts;
aliguorib01b1112009-02-11 15:20:20 +00001816}
1817
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001818DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit)
thse4bcb142007-12-02 04:51:10 +00001819{
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001820 DriveInfo *dinfo;
thse4bcb142007-12-02 04:51:10 +00001821
1822 /* seek interface, bus and unit */
1823
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001824 TAILQ_FOREACH(dinfo, &drives, next) {
1825 if (dinfo->type == type &&
1826 dinfo->bus == bus &&
1827 dinfo->unit == unit)
1828 return dinfo;
1829 }
thse4bcb142007-12-02 04:51:10 +00001830
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001831 return NULL;
thse4bcb142007-12-02 04:51:10 +00001832}
1833
Gerd Hoffmann2e810b32009-07-31 12:25:38 +02001834DriveInfo *drive_get_by_id(const char *id)
Gerd Hoffmann1dae12e2009-07-22 16:42:58 +02001835{
1836 DriveInfo *dinfo;
1837
1838 TAILQ_FOREACH(dinfo, &drives, next) {
1839 if (strcmp(id, dinfo->id))
1840 continue;
1841 return dinfo;
1842 }
1843 return NULL;
1844}
1845
thsf60d39b2007-12-17 03:55:57 +00001846int drive_get_max_bus(BlockInterfaceType type)
thse4bcb142007-12-02 04:51:10 +00001847{
1848 int max_bus;
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001849 DriveInfo *dinfo;
thse4bcb142007-12-02 04:51:10 +00001850
1851 max_bus = -1;
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001852 TAILQ_FOREACH(dinfo, &drives, next) {
1853 if(dinfo->type == type &&
1854 dinfo->bus > max_bus)
1855 max_bus = dinfo->bus;
thse4bcb142007-12-02 04:51:10 +00001856 }
1857 return max_bus;
1858}
1859
aliguorifa879c62009-01-07 17:32:33 +00001860const char *drive_get_serial(BlockDriverState *bdrv)
1861{
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001862 DriveInfo *dinfo;
aliguorifa879c62009-01-07 17:32:33 +00001863
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001864 TAILQ_FOREACH(dinfo, &drives, next) {
1865 if (dinfo->bdrv == bdrv)
1866 return dinfo->serial;
1867 }
aliguorifa879c62009-01-07 17:32:33 +00001868
1869 return "\0";
1870}
1871
aliguori428c5702009-01-21 18:59:04 +00001872BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv)
1873{
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001874 DriveInfo *dinfo;
aliguori428c5702009-01-21 18:59:04 +00001875
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001876 TAILQ_FOREACH(dinfo, &drives, next) {
1877 if (dinfo->bdrv == bdrv)
1878 return dinfo->onerror;
1879 }
aliguori428c5702009-01-21 18:59:04 +00001880
aliguoricdad4bd2009-02-28 16:51:01 +00001881 return BLOCK_ERR_STOP_ENOSPC;
aliguori428c5702009-01-21 18:59:04 +00001882}
1883
aurel32a1620fa2008-04-29 05:58:01 +00001884static void bdrv_format_print(void *opaque, const char *name)
1885{
1886 fprintf(stderr, " %s", name);
1887}
1888
aliguorib01b1112009-02-11 15:20:20 +00001889void drive_uninit(BlockDriverState *bdrv)
1890{
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001891 DriveInfo *dinfo;
aliguorib01b1112009-02-11 15:20:20 +00001892
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001893 TAILQ_FOREACH(dinfo, &drives, next) {
1894 if (dinfo->bdrv != bdrv)
1895 continue;
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001896 qemu_opts_del(dinfo->opts);
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001897 TAILQ_REMOVE(&drives, dinfo, next);
1898 qemu_free(dinfo);
1899 break;
1900 }
aliguorib01b1112009-02-11 15:20:20 +00001901}
1902
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001903DriveInfo *drive_init(QemuOpts *opts, void *opaque,
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001904 int *fatal_error)
thse4bcb142007-12-02 04:51:10 +00001905{
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001906 const char *buf;
1907 const char *file = NULL;
balrogc8522bd2007-12-06 22:11:20 +00001908 char devname[128];
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001909 const char *serial;
balrogc8522bd2007-12-06 22:11:20 +00001910 const char *mediastr = "";
thsf60d39b2007-12-17 03:55:57 +00001911 BlockInterfaceType type;
thse4bcb142007-12-02 04:51:10 +00001912 enum { MEDIA_DISK, MEDIA_CDROM } media;
1913 int bus_id, unit_id;
1914 int cyls, heads, secs, translation;
aurel321e72d3b2008-04-28 20:26:45 +00001915 BlockDriver *drv = NULL;
aliguori4d73cd32009-02-11 15:20:46 +00001916 QEMUMachine *machine = opaque;
thse4bcb142007-12-02 04:51:10 +00001917 int max_devs;
1918 int index;
balrog33f00272007-12-24 14:33:24 +00001919 int cache;
Christoph Hellwig5c6c3a62009-08-20 16:58:35 +02001920 int aio = 0;
aliguori428c5702009-01-21 18:59:04 +00001921 int bdrv_flags, onerror;
Markus Armbrusterc2cc47a2009-06-18 15:14:10 +02001922 const char *devaddr;
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001923 DriveInfo *dinfo;
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001924 int snapshot = 0;
1925
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001926 *fatal_error = 1;
thse4bcb142007-12-02 04:51:10 +00001927
thse4bcb142007-12-02 04:51:10 +00001928 translation = BIOS_ATA_TRANSLATION_AUTO;
Kevin Wolf0aa217e2009-06-30 13:06:04 +02001929 cache = 1;
thse4bcb142007-12-02 04:51:10 +00001930
Gerd Hoffmann4d007812009-08-31 14:23:57 +02001931 if (machine && machine->use_scsi) {
thsf60d39b2007-12-17 03:55:57 +00001932 type = IF_SCSI;
thse4bcb142007-12-02 04:51:10 +00001933 max_devs = MAX_SCSI_DEVS;
blueswir1363a37d2008-08-21 17:58:08 +00001934 pstrcpy(devname, sizeof(devname), "scsi");
thse4bcb142007-12-02 04:51:10 +00001935 } else {
thsf60d39b2007-12-17 03:55:57 +00001936 type = IF_IDE;
thse4bcb142007-12-02 04:51:10 +00001937 max_devs = MAX_IDE_DEVS;
blueswir1363a37d2008-08-21 17:58:08 +00001938 pstrcpy(devname, sizeof(devname), "ide");
thse4bcb142007-12-02 04:51:10 +00001939 }
1940 media = MEDIA_DISK;
1941
1942 /* extract parameters */
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001943 bus_id = qemu_opt_get_number(opts, "bus", 0);
1944 unit_id = qemu_opt_get_number(opts, "unit", -1);
1945 index = qemu_opt_get_number(opts, "index", -1);
thse4bcb142007-12-02 04:51:10 +00001946
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001947 cyls = qemu_opt_get_number(opts, "cyls", 0);
1948 heads = qemu_opt_get_number(opts, "heads", 0);
1949 secs = qemu_opt_get_number(opts, "secs", 0);
thse4bcb142007-12-02 04:51:10 +00001950
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001951 snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
thse4bcb142007-12-02 04:51:10 +00001952
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001953 file = qemu_opt_get(opts, "file");
1954 serial = qemu_opt_get(opts, "serial");
1955
1956 if ((buf = qemu_opt_get(opts, "if")) != NULL) {
bellardae45d362008-06-11 09:44:44 +00001957 pstrcpy(devname, sizeof(devname), buf);
thse4bcb142007-12-02 04:51:10 +00001958 if (!strcmp(buf, "ide")) {
thsf60d39b2007-12-17 03:55:57 +00001959 type = IF_IDE;
thse4bcb142007-12-02 04:51:10 +00001960 max_devs = MAX_IDE_DEVS;
1961 } else if (!strcmp(buf, "scsi")) {
thsf60d39b2007-12-17 03:55:57 +00001962 type = IF_SCSI;
thse4bcb142007-12-02 04:51:10 +00001963 max_devs = MAX_SCSI_DEVS;
1964 } else if (!strcmp(buf, "floppy")) {
thsf60d39b2007-12-17 03:55:57 +00001965 type = IF_FLOPPY;
thse4bcb142007-12-02 04:51:10 +00001966 max_devs = 0;
1967 } else if (!strcmp(buf, "pflash")) {
thsf60d39b2007-12-17 03:55:57 +00001968 type = IF_PFLASH;
thse4bcb142007-12-02 04:51:10 +00001969 max_devs = 0;
1970 } else if (!strcmp(buf, "mtd")) {
thsf60d39b2007-12-17 03:55:57 +00001971 type = IF_MTD;
thse4bcb142007-12-02 04:51:10 +00001972 max_devs = 0;
1973 } else if (!strcmp(buf, "sd")) {
thsf60d39b2007-12-17 03:55:57 +00001974 type = IF_SD;
thse4bcb142007-12-02 04:51:10 +00001975 max_devs = 0;
aliguori6e02c382008-12-04 19:52:44 +00001976 } else if (!strcmp(buf, "virtio")) {
1977 type = IF_VIRTIO;
1978 max_devs = 0;
aliguori62d23ef2009-04-22 15:19:30 +00001979 } else if (!strcmp(buf, "xen")) {
1980 type = IF_XEN;
1981 max_devs = 0;
Gerd Hoffmanna8659e92009-07-31 12:25:39 +02001982 } else if (!strcmp(buf, "none")) {
1983 type = IF_NONE;
1984 max_devs = 0;
aliguori62d23ef2009-04-22 15:19:30 +00001985 } else {
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001986 fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001987 return NULL;
thse4bcb142007-12-02 04:51:10 +00001988 }
1989 }
1990
thse4bcb142007-12-02 04:51:10 +00001991 if (cyls || heads || secs) {
1992 if (cyls < 1 || cyls > 16383) {
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001993 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001994 return NULL;
thse4bcb142007-12-02 04:51:10 +00001995 }
1996 if (heads < 1 || heads > 16) {
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02001997 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02001998 return NULL;
thse4bcb142007-12-02 04:51:10 +00001999 }
2000 if (secs < 1 || secs > 63) {
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002001 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002002 return NULL;
thse4bcb142007-12-02 04:51:10 +00002003 }
2004 }
2005
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002006 if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
thse4bcb142007-12-02 04:51:10 +00002007 if (!cyls) {
2008 fprintf(stderr,
2009 "qemu: '%s' trans must be used with cyls,heads and secs\n",
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002010 buf);
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002011 return NULL;
thse4bcb142007-12-02 04:51:10 +00002012 }
2013 if (!strcmp(buf, "none"))
2014 translation = BIOS_ATA_TRANSLATION_NONE;
2015 else if (!strcmp(buf, "lba"))
2016 translation = BIOS_ATA_TRANSLATION_LBA;
2017 else if (!strcmp(buf, "auto"))
2018 translation = BIOS_ATA_TRANSLATION_AUTO;
2019 else {
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002020 fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002021 return NULL;
thse4bcb142007-12-02 04:51:10 +00002022 }
2023 }
2024
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002025 if ((buf = qemu_opt_get(opts, "media")) != NULL) {
thse4bcb142007-12-02 04:51:10 +00002026 if (!strcmp(buf, "disk")) {
2027 media = MEDIA_DISK;
2028 } else if (!strcmp(buf, "cdrom")) {
2029 if (cyls || secs || heads) {
2030 fprintf(stderr,
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002031 "qemu: '%s' invalid physical CHS format\n", buf);
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002032 return NULL;
thse4bcb142007-12-02 04:51:10 +00002033 }
2034 media = MEDIA_CDROM;
2035 } else {
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002036 fprintf(stderr, "qemu: '%s' invalid media\n", buf);
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002037 return NULL;
thse4bcb142007-12-02 04:51:10 +00002038 }
2039 }
2040
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002041 if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
aliguori9f7965c2008-10-14 14:42:54 +00002042 if (!strcmp(buf, "off") || !strcmp(buf, "none"))
balrog33f00272007-12-24 14:33:24 +00002043 cache = 0;
aliguori9f7965c2008-10-14 14:42:54 +00002044 else if (!strcmp(buf, "writethrough"))
balrog33f00272007-12-24 14:33:24 +00002045 cache = 1;
aliguori9f7965c2008-10-14 14:42:54 +00002046 else if (!strcmp(buf, "writeback"))
2047 cache = 2;
balrog33f00272007-12-24 14:33:24 +00002048 else {
2049 fprintf(stderr, "qemu: invalid cache option\n");
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002050 return NULL;
balrog33f00272007-12-24 14:33:24 +00002051 }
2052 }
2053
Christoph Hellwig5c6c3a62009-08-20 16:58:35 +02002054#ifdef CONFIG_LINUX_AIO
2055 if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
2056 if (!strcmp(buf, "threads"))
2057 aio = 0;
2058 else if (!strcmp(buf, "native"))
2059 aio = 1;
2060 else {
2061 fprintf(stderr, "qemu: invalid aio option\n");
2062 return NULL;
2063 }
2064 }
2065#endif
2066
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002067 if ((buf = qemu_opt_get(opts, "format")) != NULL) {
aurel32a1620fa2008-04-29 05:58:01 +00002068 if (strcmp(buf, "?") == 0) {
2069 fprintf(stderr, "qemu: Supported formats:");
2070 bdrv_iterate_format(bdrv_format_print, NULL);
2071 fprintf(stderr, "\n");
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002072 return NULL;
aurel32a1620fa2008-04-29 05:58:01 +00002073 }
aurel321e72d3b2008-04-28 20:26:45 +00002074 drv = bdrv_find_format(buf);
2075 if (!drv) {
2076 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002077 return NULL;
aurel321e72d3b2008-04-28 20:26:45 +00002078 }
2079 }
2080
aliguoricdad4bd2009-02-28 16:51:01 +00002081 onerror = BLOCK_ERR_STOP_ENOSPC;
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002082 if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
aliguori869a5c62009-01-22 19:52:25 +00002083 if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
aliguoriea8a5d72009-01-22 19:52:21 +00002084 fprintf(stderr, "werror is no supported by this format\n");
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002085 return NULL;
aliguori428c5702009-01-21 18:59:04 +00002086 }
2087 if (!strcmp(buf, "ignore"))
2088 onerror = BLOCK_ERR_IGNORE;
2089 else if (!strcmp(buf, "enospc"))
2090 onerror = BLOCK_ERR_STOP_ENOSPC;
2091 else if (!strcmp(buf, "stop"))
2092 onerror = BLOCK_ERR_STOP_ANY;
2093 else if (!strcmp(buf, "report"))
2094 onerror = BLOCK_ERR_REPORT;
2095 else {
2096 fprintf(stderr, "qemu: '%s' invalid write error action\n", buf);
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002097 return NULL;
aliguori428c5702009-01-21 18:59:04 +00002098 }
2099 }
2100
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002101 if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
Markus Armbrusterc2cc47a2009-06-18 15:14:10 +02002102 if (type != IF_VIRTIO) {
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002103 fprintf(stderr, "addr is not supported\n");
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002104 return NULL;
Markus Armbrusterc2cc47a2009-06-18 15:14:10 +02002105 }
Markus Armbrusterc2cc47a2009-06-18 15:14:10 +02002106 }
2107
thse4bcb142007-12-02 04:51:10 +00002108 /* compute bus and unit according index */
2109
2110 if (index != -1) {
2111 if (bus_id != 0 || unit_id != -1) {
2112 fprintf(stderr,
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002113 "qemu: index cannot be used with bus and unit\n");
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002114 return NULL;
thse4bcb142007-12-02 04:51:10 +00002115 }
2116 if (max_devs == 0)
2117 {
2118 unit_id = index;
2119 bus_id = 0;
2120 } else {
2121 unit_id = index % max_devs;
2122 bus_id = index / max_devs;
2123 }
2124 }
2125
2126 /* if user doesn't specify a unit_id,
2127 * try to find the first free
2128 */
2129
2130 if (unit_id == -1) {
2131 unit_id = 0;
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002132 while (drive_get(type, bus_id, unit_id) != NULL) {
thse4bcb142007-12-02 04:51:10 +00002133 unit_id++;
2134 if (max_devs && unit_id >= max_devs) {
2135 unit_id -= max_devs;
2136 bus_id++;
2137 }
2138 }
2139 }
2140
2141 /* check unit id */
2142
2143 if (max_devs && unit_id >= max_devs) {
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002144 fprintf(stderr, "qemu: unit %d too big (max is %d)\n",
2145 unit_id, max_devs - 1);
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002146 return NULL;
thse4bcb142007-12-02 04:51:10 +00002147 }
2148
2149 /*
2150 * ignore multiple definitions
2151 */
2152
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002153 if (drive_get(type, bus_id, unit_id) != NULL) {
2154 *fatal_error = 0;
2155 return NULL;
2156 }
thse4bcb142007-12-02 04:51:10 +00002157
2158 /* init */
2159
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002160 dinfo = qemu_mallocz(sizeof(*dinfo));
Gerd Hoffmanne23d9c42009-07-31 12:25:34 +02002161 if ((buf = qemu_opts_id(opts)) != NULL) {
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002162 dinfo->id = qemu_strdup(buf);
2163 } else {
Gerd Hoffmann1dae12e2009-07-22 16:42:58 +02002164 /* no id supplied -> create one */
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002165 dinfo->id = qemu_mallocz(32);
Gerd Hoffmann1dae12e2009-07-22 16:42:58 +02002166 if (type == IF_IDE || type == IF_SCSI)
2167 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
2168 if (max_devs)
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002169 snprintf(dinfo->id, 32, "%s%i%s%i",
Gerd Hoffmann1dae12e2009-07-22 16:42:58 +02002170 devname, bus_id, mediastr, unit_id);
2171 else
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002172 snprintf(dinfo->id, 32, "%s%s%i",
Gerd Hoffmann1dae12e2009-07-22 16:42:58 +02002173 devname, mediastr, unit_id);
2174 }
Gerd Hoffmann1dae12e2009-07-22 16:42:58 +02002175 dinfo->bdrv = bdrv_new(dinfo->id);
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002176 dinfo->devaddr = devaddr;
2177 dinfo->type = type;
2178 dinfo->bus = bus_id;
2179 dinfo->unit = unit_id;
2180 dinfo->onerror = onerror;
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002181 dinfo->opts = opts;
2182 if (serial)
2183 strncpy(dinfo->serial, serial, sizeof(serial));
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002184 TAILQ_INSERT_TAIL(&drives, dinfo, next);
thse4bcb142007-12-02 04:51:10 +00002185
thsf60d39b2007-12-17 03:55:57 +00002186 switch(type) {
thse4bcb142007-12-02 04:51:10 +00002187 case IF_IDE:
2188 case IF_SCSI:
aliguori62d23ef2009-04-22 15:19:30 +00002189 case IF_XEN:
thse4bcb142007-12-02 04:51:10 +00002190 switch(media) {
2191 case MEDIA_DISK:
2192 if (cyls != 0) {
Gerd Hoffmann1dae12e2009-07-22 16:42:58 +02002193 bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs);
2194 bdrv_set_translation_hint(dinfo->bdrv, translation);
thse4bcb142007-12-02 04:51:10 +00002195 }
2196 break;
2197 case MEDIA_CDROM:
Gerd Hoffmann1dae12e2009-07-22 16:42:58 +02002198 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM);
thse4bcb142007-12-02 04:51:10 +00002199 break;
2200 }
2201 break;
2202 case IF_SD:
2203 /* FIXME: This isn't really a floppy, but it's a reasonable
2204 approximation. */
2205 case IF_FLOPPY:
Gerd Hoffmann1dae12e2009-07-22 16:42:58 +02002206 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY);
thse4bcb142007-12-02 04:51:10 +00002207 break;
2208 case IF_PFLASH:
2209 case IF_MTD:
Gerd Hoffmanna8659e92009-07-31 12:25:39 +02002210 case IF_NONE:
thse4bcb142007-12-02 04:51:10 +00002211 break;
Gerd Hoffmannd176c492009-07-31 12:25:41 +02002212 case IF_VIRTIO:
2213 /* add virtio block device */
2214 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2215 qemu_opt_set(opts, "driver", "virtio-blk-pci");
2216 qemu_opt_set(opts, "drive", dinfo->id);
2217 if (devaddr)
2218 qemu_opt_set(opts, "addr", devaddr);
2219 break;
Paul Brookaae94602009-05-14 22:35:06 +01002220 case IF_COUNT:
2221 abort();
thse4bcb142007-12-02 04:51:10 +00002222 }
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002223 if (!file) {
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002224 *fatal_error = 0;
2225 return NULL;
2226 }
balrog33f00272007-12-24 14:33:24 +00002227 bdrv_flags = 0;
aliguori9f7965c2008-10-14 14:42:54 +00002228 if (snapshot) {
balrog33f00272007-12-24 14:33:24 +00002229 bdrv_flags |= BDRV_O_SNAPSHOT;
aliguori9f7965c2008-10-14 14:42:54 +00002230 cache = 2; /* always use write-back with snapshot */
2231 }
2232 if (cache == 0) /* no caching */
2233 bdrv_flags |= BDRV_O_NOCACHE;
2234 else if (cache == 2) /* write-back */
2235 bdrv_flags |= BDRV_O_CACHE_WB;
Christoph Hellwig5c6c3a62009-08-20 16:58:35 +02002236
2237 if (aio == 1) {
2238 bdrv_flags |= BDRV_O_NATIVE_AIO;
2239 } else {
2240 bdrv_flags &= ~BDRV_O_NATIVE_AIO;
2241 }
2242
Gerd Hoffmann1dae12e2009-07-22 16:42:58 +02002243 if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
thse4bcb142007-12-02 04:51:10 +00002244 fprintf(stderr, "qemu: could not open disk image %s\n",
2245 file);
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002246 return NULL;
thse4bcb142007-12-02 04:51:10 +00002247 }
Christoph Hellwig5c6c3a62009-08-20 16:58:35 +02002248
Gerd Hoffmann1dae12e2009-07-22 16:42:58 +02002249 if (bdrv_key_required(dinfo->bdrv))
aliguoric0f4ce72009-03-05 23:01:01 +00002250 autostart = 0;
Gerd Hoffmann751c6a12009-07-22 16:42:57 +02002251 *fatal_error = 0;
2252 return dinfo;
thse4bcb142007-12-02 04:51:10 +00002253}
2254
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02002255static int drive_init_func(QemuOpts *opts, void *opaque)
2256{
2257 QEMUMachine *machine = opaque;
2258 int fatal_error = 0;
2259
2260 if (drive_init(opts, machine, &fatal_error) == NULL) {
2261 if (fatal_error)
2262 return 1;
2263 }
2264 return 0;
2265}
2266
2267static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
2268{
2269 if (NULL == qemu_opt_get(opts, "snapshot")) {
2270 qemu_opt_set(opts, "snapshot", "on");
2271 }
2272 return 0;
2273}
2274
Jan Kiszka76e30d02009-07-02 00:19:02 +02002275void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
2276{
2277 boot_set_handler = func;
2278 boot_set_opaque = opaque;
2279}
2280
2281int qemu_boot_set(const char *boot_devices)
2282{
2283 if (!boot_set_handler) {
2284 return -EINVAL;
2285 }
2286 return boot_set_handler(boot_set_opaque, boot_devices);
2287}
2288
Jan Kiszkaef3adf62009-07-02 00:19:02 +02002289static int parse_bootdevices(char *devices)
2290{
2291 /* We just do some generic consistency checks */
2292 const char *p;
2293 int bitmap = 0;
2294
2295 for (p = devices; *p != '\0'; p++) {
2296 /* Allowed boot devices are:
2297 * a-b: floppy disk drives
2298 * c-f: IDE disk drives
2299 * g-m: machine implementation dependant drives
2300 * n-p: network devices
2301 * It's up to each machine implementation to check if the given boot
2302 * devices match the actual hardware implementation and firmware
2303 * features.
2304 */
2305 if (*p < 'a' || *p > 'p') {
2306 fprintf(stderr, "Invalid boot device '%c'\n", *p);
2307 exit(1);
2308 }
2309 if (bitmap & (1 << (*p - 'a'))) {
2310 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
2311 exit(1);
2312 }
2313 bitmap |= 1 << (*p - 'a');
2314 }
2315 return bitmap;
2316}
2317
Jan Kiszkae0f084b2009-07-02 00:19:02 +02002318static void restore_boot_devices(void *opaque)
2319{
2320 char *standard_boot_devices = opaque;
2321
2322 qemu_boot_set(standard_boot_devices);
2323
2324 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
2325 qemu_free(standard_boot_devices);
2326}
2327
aliguori268a3622009-04-21 22:30:27 +00002328static void numa_add(const char *optarg)
2329{
2330 char option[128];
2331 char *endptr;
2332 unsigned long long value, endvalue;
2333 int nodenr;
2334
2335 optarg = get_opt_name(option, 128, optarg, ',') + 1;
2336 if (!strcmp(option, "node")) {
2337 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
2338 nodenr = nb_numa_nodes;
2339 } else {
2340 nodenr = strtoull(option, NULL, 10);
2341 }
2342
2343 if (get_param_value(option, 128, "mem", optarg) == 0) {
2344 node_mem[nodenr] = 0;
2345 } else {
2346 value = strtoull(option, &endptr, 0);
2347 switch (*endptr) {
2348 case 0: case 'M': case 'm':
2349 value <<= 20;
2350 break;
2351 case 'G': case 'g':
2352 value <<= 30;
2353 break;
2354 }
2355 node_mem[nodenr] = value;
2356 }
2357 if (get_param_value(option, 128, "cpus", optarg) == 0) {
2358 node_cpumask[nodenr] = 0;
2359 } else {
2360 value = strtoull(option, &endptr, 10);
2361 if (value >= 64) {
2362 value = 63;
2363 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
2364 } else {
2365 if (*endptr == '-') {
2366 endvalue = strtoull(endptr+1, &endptr, 10);
2367 if (endvalue >= 63) {
2368 endvalue = 62;
2369 fprintf(stderr,
2370 "only 63 CPUs in NUMA mode supported.\n");
2371 }
2372 value = (1 << (endvalue + 1)) - (1 << value);
2373 } else {
2374 value = 1 << value;
2375 }
2376 }
2377 node_cpumask[nodenr] = value;
2378 }
2379 nb_numa_nodes++;
2380 }
2381 return;
2382}
2383
Andre Przywaradc6b1c02009-08-19 15:42:40 +02002384static void smp_parse(const char *optarg)
2385{
2386 int smp, sockets = 0, threads = 0, cores = 0;
2387 char *endptr;
2388 char option[128];
2389
2390 smp = strtoul(optarg, &endptr, 10);
2391 if (endptr != optarg) {
2392 if (*endptr == ',') {
2393 endptr++;
2394 }
2395 }
2396 if (get_param_value(option, 128, "sockets", endptr) != 0)
2397 sockets = strtoull(option, NULL, 10);
2398 if (get_param_value(option, 128, "cores", endptr) != 0)
2399 cores = strtoull(option, NULL, 10);
2400 if (get_param_value(option, 128, "threads", endptr) != 0)
2401 threads = strtoull(option, NULL, 10);
2402 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
2403 max_cpus = strtoull(option, NULL, 10);
2404
2405 /* compute missing values, prefer sockets over cores over threads */
2406 if (smp == 0 || sockets == 0) {
2407 sockets = sockets > 0 ? sockets : 1;
2408 cores = cores > 0 ? cores : 1;
2409 threads = threads > 0 ? threads : 1;
2410 if (smp == 0) {
2411 smp = cores * threads * sockets;
2412 } else {
2413 sockets = smp / (cores * threads);
2414 }
2415 } else {
2416 if (cores == 0) {
2417 threads = threads > 0 ? threads : 1;
2418 cores = smp / (sockets * threads);
2419 } else {
2420 if (sockets == 0) {
2421 sockets = smp / (cores * threads);
2422 } else {
2423 threads = smp / (cores * sockets);
2424 }
2425 }
2426 }
2427 smp_cpus = smp;
2428 smp_cores = cores > 0 ? cores : 1;
2429 smp_threads = threads > 0 ? threads : 1;
2430 if (max_cpus == 0)
2431 max_cpus = smp_cpus;
2432}
2433
bellard330d0412003-07-26 18:11:40 +00002434/***********************************************************/
bellarda594cfb2005-11-06 16:13:29 +00002435/* USB devices */
2436
aliguoribb5fc202009-03-05 23:01:15 +00002437static void usb_msd_password_cb(void *opaque, int err)
2438{
2439 USBDevice *dev = opaque;
2440
2441 if (!err)
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +02002442 usb_device_attach(dev);
aliguoribb5fc202009-03-05 23:01:15 +00002443 else
Gerd Hoffmann806b6022009-08-31 14:23:59 +02002444 dev->info->handle_destroy(dev);
aliguoribb5fc202009-03-05 23:01:15 +00002445}
2446
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +02002447static struct {
2448 const char *name;
2449 const char *qdev;
2450} usbdevs[] = {
2451 {
2452 .name = "mouse",
2453 .qdev = "QEMU USB Mouse",
2454 },{
2455 .name = "tablet",
2456 .qdev = "QEMU USB Tablet",
2457 },{
2458 .name = "keyboard",
2459 .qdev = "QEMU USB Keyboard",
2460 },{
2461 .name = "wacom-tablet",
2462 .qdev = "QEMU PenPartner Tablet",
2463 }
2464};
2465
aliguoric0f4ce72009-03-05 23:01:01 +00002466static int usb_device_add(const char *devname, int is_hotplug)
bellarda594cfb2005-11-06 16:13:29 +00002467{
2468 const char *p;
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +02002469 USBBus *bus = usb_bus_find(-1 /* any */);
2470 USBDevice *dev = NULL;
2471 int i;
bellarda594cfb2005-11-06 16:13:29 +00002472
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +02002473 if (!usb_enabled)
bellarda594cfb2005-11-06 16:13:29 +00002474 return -1;
2475
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +02002476 /* simple devices which don't need extra care */
2477 for (i = 0; i < ARRAY_SIZE(usbdevs); i++) {
2478 if (strcmp(devname, usbdevs[i].name) != 0)
2479 continue;
2480 dev = usb_create_simple(bus, usbdevs[i].qdev);
2481 goto done;
2482 }
2483
2484 /* the other ones */
bellarda594cfb2005-11-06 16:13:29 +00002485 if (strstart(devname, "host:", &p)) {
2486 dev = usb_host_device_open(p);
pbrook2e5d83b2006-05-25 23:58:51 +00002487 } else if (strstart(devname, "disk:", &p)) {
aliguoric0f4ce72009-03-05 23:01:01 +00002488 BlockDriverState *bs;
2489
aliguoribb5fc202009-03-05 23:01:15 +00002490 dev = usb_msd_init(p);
aliguoric0f4ce72009-03-05 23:01:01 +00002491 if (!dev)
2492 return -1;
aliguoribb5fc202009-03-05 23:01:15 +00002493 bs = usb_msd_get_bdrv(dev);
aliguoric0f4ce72009-03-05 23:01:01 +00002494 if (bdrv_key_required(bs)) {
2495 autostart = 0;
aliguoribb5fc202009-03-05 23:01:15 +00002496 if (is_hotplug) {
aliguori376253e2009-03-05 23:01:23 +00002497 monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb,
2498 dev);
aliguoribb5fc202009-03-05 23:01:15 +00002499 return 0;
aliguoric0f4ce72009-03-05 23:01:01 +00002500 }
2501 }
balroga7954212008-01-14 03:41:02 +00002502 } else if (strstart(devname, "serial:", &p)) {
2503 dev = usb_serial_init(p);
aurel322e4d9fb2008-04-08 06:01:02 +00002504#ifdef CONFIG_BRLAPI
2505 } else if (!strcmp(devname, "braille")) {
2506 dev = usb_baum_init();
2507#endif
balrog6c9f8862008-07-17 20:47:13 +00002508 } else if (strstart(devname, "net:", &p)) {
balrog9ad97e62008-07-29 13:16:31 +00002509 int nic = nb_nics;
balrog6c9f8862008-07-17 20:47:13 +00002510
Jan Kiszka10ae5a72009-05-08 12:34:18 +02002511 if (net_client_init(NULL, "nic", p) < 0)
balrog6c9f8862008-07-17 20:47:13 +00002512 return -1;
balrog9ad97e62008-07-29 13:16:31 +00002513 nd_table[nic].model = "usb";
2514 dev = usb_net_init(&nd_table[nic]);
balrogdc72ac12008-11-09 00:04:26 +00002515 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
2516 dev = usb_bt_init(devname[2] ? hci_init(p) :
2517 bt_new_hci(qemu_find_bt_vlan(0)));
bellarda594cfb2005-11-06 16:13:29 +00002518 } else {
2519 return -1;
2520 }
pbrook0d92ed32006-05-21 16:30:15 +00002521 if (!dev)
2522 return -1;
2523
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +02002524done:
bellarda594cfb2005-11-06 16:13:29 +00002525 return 0;
2526}
2527
aliguori1f3870a2008-08-21 19:27:48 +00002528static int usb_device_del(const char *devname)
2529{
2530 int bus_num, addr;
2531 const char *p;
2532
aliguori5d0c5752008-09-14 01:07:41 +00002533 if (strstart(devname, "host:", &p))
2534 return usb_host_device_close(p);
2535
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +02002536 if (!usb_enabled)
aliguori1f3870a2008-08-21 19:27:48 +00002537 return -1;
2538
2539 p = strchr(devname, '.');
2540 if (!p)
2541 return -1;
2542 bus_num = strtoul(devname, NULL, 0);
2543 addr = strtoul(p + 1, NULL, 0);
2544
Gerd Hoffmanna5d2f722009-08-31 14:24:00 +02002545 return usb_device_delete_addr(bus_num, addr);
aliguori1f3870a2008-08-21 19:27:48 +00002546}
2547
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02002548static int usb_parse(const char *cmdline)
2549{
2550 return usb_device_add(cmdline, 0);
2551}
2552
Luiz Capitulinod54908a2009-08-28 15:27:13 -03002553void do_usb_add(Monitor *mon, const QDict *qdict)
bellarda594cfb2005-11-06 16:13:29 +00002554{
Luiz Capitulinod54908a2009-08-28 15:27:13 -03002555 usb_device_add(qdict_get_str(qdict, "devname"), 1);
bellarda594cfb2005-11-06 16:13:29 +00002556}
2557
Luiz Capitulinod54908a2009-08-28 15:27:13 -03002558void do_usb_del(Monitor *mon, const QDict *qdict)
bellarda594cfb2005-11-06 16:13:29 +00002559{
Luiz Capitulinod54908a2009-08-28 15:27:13 -03002560 usb_device_del(qdict_get_str(qdict, "devname"));
bellarda594cfb2005-11-06 16:13:29 +00002561}
2562
bellardf7cce892004-12-08 22:21:25 +00002563/***********************************************************/
balrog201a51f2007-04-30 00:51:09 +00002564/* PCMCIA/Cardbus */
2565
2566static struct pcmcia_socket_entry_s {
Paul Brookbc24a222009-05-10 01:44:56 +01002567 PCMCIASocket *socket;
balrog201a51f2007-04-30 00:51:09 +00002568 struct pcmcia_socket_entry_s *next;
2569} *pcmcia_sockets = 0;
2570
Paul Brookbc24a222009-05-10 01:44:56 +01002571void pcmcia_socket_register(PCMCIASocket *socket)
balrog201a51f2007-04-30 00:51:09 +00002572{
2573 struct pcmcia_socket_entry_s *entry;
2574
2575 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
2576 entry->socket = socket;
2577 entry->next = pcmcia_sockets;
2578 pcmcia_sockets = entry;
2579}
2580
Paul Brookbc24a222009-05-10 01:44:56 +01002581void pcmcia_socket_unregister(PCMCIASocket *socket)
balrog201a51f2007-04-30 00:51:09 +00002582{
2583 struct pcmcia_socket_entry_s *entry, **ptr;
2584
2585 ptr = &pcmcia_sockets;
2586 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
2587 if (entry->socket == socket) {
2588 *ptr = entry->next;
2589 qemu_free(entry);
2590 }
2591}
2592
aliguori376253e2009-03-05 23:01:23 +00002593void pcmcia_info(Monitor *mon)
balrog201a51f2007-04-30 00:51:09 +00002594{
2595 struct pcmcia_socket_entry_s *iter;
aliguori376253e2009-03-05 23:01:23 +00002596
balrog201a51f2007-04-30 00:51:09 +00002597 if (!pcmcia_sockets)
aliguori376253e2009-03-05 23:01:23 +00002598 monitor_printf(mon, "No PCMCIA sockets\n");
balrog201a51f2007-04-30 00:51:09 +00002599
2600 for (iter = pcmcia_sockets; iter; iter = iter->next)
aliguori376253e2009-03-05 23:01:23 +00002601 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
2602 iter->socket->attached ? iter->socket->card_string :
2603 "Empty");
balrog201a51f2007-04-30 00:51:09 +00002604}
2605
2606/***********************************************************/
aliguori3023f332009-01-16 19:04:14 +00002607/* register display */
2608
aliguori7b5d76d2009-03-13 15:02:13 +00002609struct DisplayAllocator default_allocator = {
2610 defaultallocator_create_displaysurface,
2611 defaultallocator_resize_displaysurface,
2612 defaultallocator_free_displaysurface
2613};
2614
aliguori3023f332009-01-16 19:04:14 +00002615void register_displaystate(DisplayState *ds)
2616{
2617 DisplayState **s;
2618 s = &display_state;
2619 while (*s != NULL)
2620 s = &(*s)->next;
2621 ds->next = NULL;
2622 *s = ds;
2623}
2624
2625DisplayState *get_displaystate(void)
2626{
2627 return display_state;
2628}
2629
aliguori7b5d76d2009-03-13 15:02:13 +00002630DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da)
2631{
2632 if(ds->allocator == &default_allocator) ds->allocator = da;
2633 return ds->allocator;
2634}
2635
ths2ff89792007-06-21 23:34:19 +00002636/* dumb display */
2637
aliguori8f391ab2009-01-19 16:34:10 +00002638static void dumb_display_init(void)
ths2ff89792007-06-21 23:34:19 +00002639{
aliguori8f391ab2009-01-19 16:34:10 +00002640 DisplayState *ds = qemu_mallocz(sizeof(DisplayState));
aliguori7b5d76d2009-03-13 15:02:13 +00002641 ds->allocator = &default_allocator;
2642 ds->surface = qemu_create_displaysurface(ds, 640, 480);
aliguori8f391ab2009-01-19 16:34:10 +00002643 register_displaystate(ds);
ths2ff89792007-06-21 23:34:19 +00002644}
2645
2646/***********************************************************/
bellard8a7ddc32004-03-31 19:00:16 +00002647/* I/O handling */
bellard0824d6f2003-06-24 13:42:40 +00002648
bellardc4b1fcc2004-03-14 21:44:30 +00002649typedef struct IOHandlerRecord {
2650 int fd;
bellard7c9d8e02005-11-15 22:16:05 +00002651 IOCanRWHandler *fd_read_poll;
2652 IOHandler *fd_read;
2653 IOHandler *fd_write;
thscafffd42007-02-28 21:59:44 +00002654 int deleted;
bellardc4b1fcc2004-03-14 21:44:30 +00002655 void *opaque;
2656 /* temporary data */
2657 struct pollfd *ufd;
bellard8a7ddc32004-03-31 19:00:16 +00002658 struct IOHandlerRecord *next;
bellardc4b1fcc2004-03-14 21:44:30 +00002659} IOHandlerRecord;
2660
bellard8a7ddc32004-03-31 19:00:16 +00002661static IOHandlerRecord *first_io_handler;
bellardc4b1fcc2004-03-14 21:44:30 +00002662
bellard7c9d8e02005-11-15 22:16:05 +00002663/* XXX: fd_read_poll should be suppressed, but an API change is
2664 necessary in the character devices to suppress fd_can_read(). */
ths5fafdf22007-09-16 21:08:06 +00002665int qemu_set_fd_handler2(int fd,
2666 IOCanRWHandler *fd_read_poll,
2667 IOHandler *fd_read,
2668 IOHandler *fd_write,
bellard7c9d8e02005-11-15 22:16:05 +00002669 void *opaque)
bellardb4608c02003-06-27 17:34:32 +00002670{
bellard8a7ddc32004-03-31 19:00:16 +00002671 IOHandlerRecord **pioh, *ioh;
2672
bellard7c9d8e02005-11-15 22:16:05 +00002673 if (!fd_read && !fd_write) {
2674 pioh = &first_io_handler;
2675 for(;;) {
2676 ioh = *pioh;
2677 if (ioh == NULL)
2678 break;
2679 if (ioh->fd == fd) {
thscafffd42007-02-28 21:59:44 +00002680 ioh->deleted = 1;
bellard7c9d8e02005-11-15 22:16:05 +00002681 break;
2682 }
2683 pioh = &ioh->next;
bellard8a7ddc32004-03-31 19:00:16 +00002684 }
bellard7c9d8e02005-11-15 22:16:05 +00002685 } else {
2686 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2687 if (ioh->fd == fd)
2688 goto found;
2689 }
2690 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
bellard7c9d8e02005-11-15 22:16:05 +00002691 ioh->next = first_io_handler;
2692 first_io_handler = ioh;
2693 found:
2694 ioh->fd = fd;
2695 ioh->fd_read_poll = fd_read_poll;
2696 ioh->fd_read = fd_read;
2697 ioh->fd_write = fd_write;
2698 ioh->opaque = opaque;
thscafffd42007-02-28 21:59:44 +00002699 ioh->deleted = 0;
bellard8a7ddc32004-03-31 19:00:16 +00002700 }
bellard7c9d8e02005-11-15 22:16:05 +00002701 return 0;
2702}
2703
ths5fafdf22007-09-16 21:08:06 +00002704int qemu_set_fd_handler(int fd,
2705 IOHandler *fd_read,
2706 IOHandler *fd_write,
bellard7c9d8e02005-11-15 22:16:05 +00002707 void *opaque)
2708{
2709 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
bellardb4608c02003-06-27 17:34:32 +00002710}
2711
aliguori56f3a5d2008-10-31 18:07:17 +00002712#ifdef _WIN32
bellard8a7ddc32004-03-31 19:00:16 +00002713/***********************************************************/
bellardf3311102006-04-12 20:21:17 +00002714/* Polling handling */
2715
2716typedef struct PollingEntry {
2717 PollingFunc *func;
2718 void *opaque;
2719 struct PollingEntry *next;
2720} PollingEntry;
2721
2722static PollingEntry *first_polling_entry;
2723
2724int qemu_add_polling_cb(PollingFunc *func, void *opaque)
2725{
2726 PollingEntry **ppe, *pe;
2727 pe = qemu_mallocz(sizeof(PollingEntry));
bellardf3311102006-04-12 20:21:17 +00002728 pe->func = func;
2729 pe->opaque = opaque;
2730 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
2731 *ppe = pe;
2732 return 0;
2733}
2734
2735void qemu_del_polling_cb(PollingFunc *func, void *opaque)
2736{
2737 PollingEntry **ppe, *pe;
2738 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
2739 pe = *ppe;
2740 if (pe->func == func && pe->opaque == opaque) {
2741 *ppe = pe->next;
2742 qemu_free(pe);
2743 break;
2744 }
2745 }
2746}
2747
bellarda18e5242006-06-25 17:18:27 +00002748/***********************************************************/
2749/* Wait objects support */
2750typedef struct WaitObjects {
2751 int num;
2752 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
2753 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
2754 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
2755} WaitObjects;
2756
2757static WaitObjects wait_objects = {0};
ths3b46e622007-09-17 08:09:54 +00002758
bellarda18e5242006-06-25 17:18:27 +00002759int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2760{
2761 WaitObjects *w = &wait_objects;
2762
2763 if (w->num >= MAXIMUM_WAIT_OBJECTS)
2764 return -1;
2765 w->events[w->num] = handle;
2766 w->func[w->num] = func;
2767 w->opaque[w->num] = opaque;
2768 w->num++;
2769 return 0;
2770}
2771
2772void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2773{
2774 int i, found;
2775 WaitObjects *w = &wait_objects;
2776
2777 found = 0;
2778 for (i = 0; i < w->num; i++) {
2779 if (w->events[i] == handle)
2780 found = 1;
2781 if (found) {
2782 w->events[i] = w->events[i + 1];
2783 w->func[i] = w->func[i + 1];
2784 w->opaque[i] = w->opaque[i + 1];
ths3b46e622007-09-17 08:09:54 +00002785 }
bellarda18e5242006-06-25 17:18:27 +00002786 }
2787 if (found)
2788 w->num--;
2789}
2790#endif
2791
bellard8a7ddc32004-03-31 19:00:16 +00002792/***********************************************************/
bellard8a7ddc32004-03-31 19:00:16 +00002793/* ram save/restore */
2794
bellard8a7ddc32004-03-31 19:00:16 +00002795static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
2796{
2797 int v;
2798
2799 v = qemu_get_byte(f);
2800 switch(v) {
2801 case 0:
2802 if (qemu_get_buffer(f, buf, len) != len)
2803 return -EIO;
2804 break;
2805 case 1:
2806 v = qemu_get_byte(f);
2807 memset(buf, v, len);
2808 break;
2809 default:
2810 return -EINVAL;
2811 }
aliguori871d2f02008-10-13 03:07:56 +00002812
2813 if (qemu_file_has_error(f))
2814 return -EIO;
2815
bellard8a7ddc32004-03-31 19:00:16 +00002816 return 0;
2817}
2818
bellardc88676f2006-08-06 13:36:11 +00002819static int ram_load_v1(QEMUFile *f, void *opaque)
bellard8a7ddc32004-03-31 19:00:16 +00002820{
aurel3200f82b82008-04-27 21:12:55 +00002821 int ret;
2822 ram_addr_t i;
bellard8a7ddc32004-03-31 19:00:16 +00002823
pbrook94a6b542009-04-11 17:15:54 +00002824 if (qemu_get_be32(f) != last_ram_offset)
bellard8a7ddc32004-03-31 19:00:16 +00002825 return -EINVAL;
pbrook94a6b542009-04-11 17:15:54 +00002826 for(i = 0; i < last_ram_offset; i+= TARGET_PAGE_SIZE) {
pbrook5579c7f2009-04-11 14:47:08 +00002827 ret = ram_get_page(f, qemu_get_ram_ptr(i), TARGET_PAGE_SIZE);
bellard8a7ddc32004-03-31 19:00:16 +00002828 if (ret)
2829 return ret;
2830 }
2831 return 0;
2832}
2833
bellardc88676f2006-08-06 13:36:11 +00002834#define BDRV_HASH_BLOCK_SIZE 1024
2835#define IOBUF_SIZE 4096
2836#define RAM_CBLOCK_MAGIC 0xfabe
2837
bellardc88676f2006-08-06 13:36:11 +00002838typedef struct RamDecompressState {
2839 z_stream zstream;
2840 QEMUFile *f;
2841 uint8_t buf[IOBUF_SIZE];
2842} RamDecompressState;
2843
2844static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
2845{
2846 int ret;
2847 memset(s, 0, sizeof(*s));
2848 s->f = f;
2849 ret = inflateInit(&s->zstream);
2850 if (ret != Z_OK)
2851 return -1;
2852 return 0;
2853}
2854
2855static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
2856{
2857 int ret, clen;
2858
2859 s->zstream.avail_out = len;
2860 s->zstream.next_out = buf;
2861 while (s->zstream.avail_out > 0) {
2862 if (s->zstream.avail_in == 0) {
2863 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
2864 return -1;
2865 clen = qemu_get_be16(s->f);
2866 if (clen > IOBUF_SIZE)
2867 return -1;
2868 qemu_get_buffer(s->f, s->buf, clen);
2869 s->zstream.avail_in = clen;
2870 s->zstream.next_in = s->buf;
2871 }
2872 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
2873 if (ret != Z_OK && ret != Z_STREAM_END) {
2874 return -1;
2875 }
2876 }
2877 return 0;
2878}
2879
2880static void ram_decompress_close(RamDecompressState *s)
2881{
2882 inflateEnd(&s->zstream);
2883}
2884
aliguori475e4272008-10-06 20:21:51 +00002885#define RAM_SAVE_FLAG_FULL 0x01
2886#define RAM_SAVE_FLAG_COMPRESS 0x02
2887#define RAM_SAVE_FLAG_MEM_SIZE 0x04
2888#define RAM_SAVE_FLAG_PAGE 0x08
2889#define RAM_SAVE_FLAG_EOS 0x10
2890
2891static int is_dup_page(uint8_t *page, uint8_t ch)
bellardc88676f2006-08-06 13:36:11 +00002892{
aliguori475e4272008-10-06 20:21:51 +00002893 uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
2894 uint32_t *array = (uint32_t *)page;
2895 int i;
ths3b46e622007-09-17 08:09:54 +00002896
aliguori475e4272008-10-06 20:21:51 +00002897 for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
2898 if (array[i] != val)
2899 return 0;
bellardc88676f2006-08-06 13:36:11 +00002900 }
aliguori475e4272008-10-06 20:21:51 +00002901
2902 return 1;
bellardc88676f2006-08-06 13:36:11 +00002903}
2904
aliguori475e4272008-10-06 20:21:51 +00002905static int ram_save_block(QEMUFile *f)
2906{
2907 static ram_addr_t current_addr = 0;
2908 ram_addr_t saved_addr = current_addr;
2909 ram_addr_t addr = 0;
2910 int found = 0;
2911
pbrook94a6b542009-04-11 17:15:54 +00002912 while (addr < last_ram_offset) {
aliguori475e4272008-10-06 20:21:51 +00002913 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
pbrook5579c7f2009-04-11 14:47:08 +00002914 uint8_t *p;
aliguori475e4272008-10-06 20:21:51 +00002915
2916 cpu_physical_memory_reset_dirty(current_addr,
2917 current_addr + TARGET_PAGE_SIZE,
2918 MIGRATION_DIRTY_FLAG);
2919
pbrook5579c7f2009-04-11 14:47:08 +00002920 p = qemu_get_ram_ptr(current_addr);
aliguori475e4272008-10-06 20:21:51 +00002921
pbrook5579c7f2009-04-11 14:47:08 +00002922 if (is_dup_page(p, *p)) {
aliguori475e4272008-10-06 20:21:51 +00002923 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
pbrook5579c7f2009-04-11 14:47:08 +00002924 qemu_put_byte(f, *p);
aliguori475e4272008-10-06 20:21:51 +00002925 } else {
2926 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
pbrook5579c7f2009-04-11 14:47:08 +00002927 qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
aliguori475e4272008-10-06 20:21:51 +00002928 }
2929
2930 found = 1;
2931 break;
2932 }
2933 addr += TARGET_PAGE_SIZE;
pbrook94a6b542009-04-11 17:15:54 +00002934 current_addr = (saved_addr + addr) % last_ram_offset;
aliguori475e4272008-10-06 20:21:51 +00002935 }
2936
2937 return found;
2938}
2939
Glauber Costa9f9e28c2009-05-21 17:38:01 -04002940static uint64_t bytes_transferred = 0;
aliguori475e4272008-10-06 20:21:51 +00002941
2942static ram_addr_t ram_save_remaining(void)
2943{
2944 ram_addr_t addr;
2945 ram_addr_t count = 0;
2946
pbrook94a6b542009-04-11 17:15:54 +00002947 for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
aliguori475e4272008-10-06 20:21:51 +00002948 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
2949 count++;
2950 }
2951
2952 return count;
2953}
2954
Glauber Costa9f9e28c2009-05-21 17:38:01 -04002955uint64_t ram_bytes_remaining(void)
2956{
2957 return ram_save_remaining() * TARGET_PAGE_SIZE;
2958}
2959
2960uint64_t ram_bytes_transferred(void)
2961{
2962 return bytes_transferred;
2963}
2964
2965uint64_t ram_bytes_total(void)
2966{
2967 return last_ram_offset;
2968}
2969
aliguori475e4272008-10-06 20:21:51 +00002970static int ram_save_live(QEMUFile *f, int stage, void *opaque)
2971{
2972 ram_addr_t addr;
Glauber Costaa0a3fd62009-05-28 15:22:57 -04002973 uint64_t bytes_transferred_last;
2974 double bwidth = 0;
2975 uint64_t expected_time = 0;
aliguori475e4272008-10-06 20:21:51 +00002976
Jan Kiszka9fa06382009-05-22 23:51:45 +02002977 if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
Jan Kiszkab0a46a32009-05-02 00:22:51 +02002978 qemu_file_set_error(f);
2979 return 0;
2980 }
2981
aliguori475e4272008-10-06 20:21:51 +00002982 if (stage == 1) {
2983 /* Make sure all dirty bits are set */
pbrook94a6b542009-04-11 17:15:54 +00002984 for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
aliguori475e4272008-10-06 20:21:51 +00002985 if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
2986 cpu_physical_memory_set_dirty(addr);
2987 }
Jan Kiszkab0a46a32009-05-02 00:22:51 +02002988
aliguori475e4272008-10-06 20:21:51 +00002989 /* Enable dirty memory tracking */
2990 cpu_physical_memory_set_dirty_tracking(1);
2991
pbrook94a6b542009-04-11 17:15:54 +00002992 qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE);
aliguori475e4272008-10-06 20:21:51 +00002993 }
2994
Glauber Costaa0a3fd62009-05-28 15:22:57 -04002995 bytes_transferred_last = bytes_transferred;
2996 bwidth = get_clock();
2997
aliguori475e4272008-10-06 20:21:51 +00002998 while (!qemu_file_rate_limit(f)) {
2999 int ret;
3000
3001 ret = ram_save_block(f);
Glauber Costa9f9e28c2009-05-21 17:38:01 -04003002 bytes_transferred += ret * TARGET_PAGE_SIZE;
aliguori475e4272008-10-06 20:21:51 +00003003 if (ret == 0) /* no more blocks */
3004 break;
3005 }
3006
Glauber Costaa0a3fd62009-05-28 15:22:57 -04003007 bwidth = get_clock() - bwidth;
3008 bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
3009
3010 /* if we haven't transferred anything this round, force expected_time to a
3011 * a very high value, but without crashing */
3012 if (bwidth == 0)
3013 bwidth = 0.000001;
3014
aliguori475e4272008-10-06 20:21:51 +00003015 /* try transferring iterative blocks of memory */
3016
3017 if (stage == 3) {
aliguori475e4272008-10-06 20:21:51 +00003018
3019 /* flush all remaining blocks regardless of rate limiting */
Glauber Costa9f9e28c2009-05-21 17:38:01 -04003020 while (ram_save_block(f) != 0) {
3021 bytes_transferred += TARGET_PAGE_SIZE;
3022 }
aliguori8215e912009-04-05 19:30:55 +00003023 cpu_physical_memory_set_dirty_tracking(0);
aliguori475e4272008-10-06 20:21:51 +00003024 }
3025
3026 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
3027
Glauber Costaa0a3fd62009-05-28 15:22:57 -04003028 expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
3029
3030 return (stage == 2) && (expected_time <= migrate_max_downtime());
aliguori475e4272008-10-06 20:21:51 +00003031}
3032
3033static int ram_load_dead(QEMUFile *f, void *opaque)
bellardc88676f2006-08-06 13:36:11 +00003034{
3035 RamDecompressState s1, *s = &s1;
3036 uint8_t buf[10];
aurel3200f82b82008-04-27 21:12:55 +00003037 ram_addr_t i;
bellardc88676f2006-08-06 13:36:11 +00003038
bellardc88676f2006-08-06 13:36:11 +00003039 if (ram_decompress_open(s, f) < 0)
3040 return -EINVAL;
pbrook94a6b542009-04-11 17:15:54 +00003041 for(i = 0; i < last_ram_offset; i+= BDRV_HASH_BLOCK_SIZE) {
bellardc88676f2006-08-06 13:36:11 +00003042 if (ram_decompress_buf(s, buf, 1) < 0) {
3043 fprintf(stderr, "Error while reading ram block header\n");
3044 goto error;
3045 }
3046 if (buf[0] == 0) {
pbrook5579c7f2009-04-11 14:47:08 +00003047 if (ram_decompress_buf(s, qemu_get_ram_ptr(i),
3048 BDRV_HASH_BLOCK_SIZE) < 0) {
aurel3200f82b82008-04-27 21:12:55 +00003049 fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
bellardc88676f2006-08-06 13:36:11 +00003050 goto error;
3051 }
aliguori475e4272008-10-06 20:21:51 +00003052 } else {
bellardc88676f2006-08-06 13:36:11 +00003053 error:
3054 printf("Error block header\n");
3055 return -EINVAL;
3056 }
3057 }
3058 ram_decompress_close(s);
aliguori475e4272008-10-06 20:21:51 +00003059
3060 return 0;
3061}
3062
3063static int ram_load(QEMUFile *f, void *opaque, int version_id)
3064{
3065 ram_addr_t addr;
3066 int flags;
3067
3068 if (version_id == 1)
3069 return ram_load_v1(f, opaque);
3070
3071 if (version_id == 2) {
pbrook94a6b542009-04-11 17:15:54 +00003072 if (qemu_get_be32(f) != last_ram_offset)
aliguori475e4272008-10-06 20:21:51 +00003073 return -EINVAL;
3074 return ram_load_dead(f, opaque);
3075 }
3076
3077 if (version_id != 3)
3078 return -EINVAL;
3079
3080 do {
3081 addr = qemu_get_be64(f);
3082
3083 flags = addr & ~TARGET_PAGE_MASK;
3084 addr &= TARGET_PAGE_MASK;
3085
3086 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
pbrook94a6b542009-04-11 17:15:54 +00003087 if (addr != last_ram_offset)
aliguori475e4272008-10-06 20:21:51 +00003088 return -EINVAL;
3089 }
3090
3091 if (flags & RAM_SAVE_FLAG_FULL) {
3092 if (ram_load_dead(f, opaque) < 0)
3093 return -EINVAL;
3094 }
3095
3096 if (flags & RAM_SAVE_FLAG_COMPRESS) {
3097 uint8_t ch = qemu_get_byte(f);
Anthony Liguori779c6be2009-06-22 12:39:00 -05003098 memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE);
3099#ifndef _WIN32
Anthony Liguori30868442009-06-17 16:46:12 -05003100 if (ch == 0 &&
3101 (!kvm_enabled() || kvm_has_sync_mmu())) {
3102 madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED);
Anthony Liguori779c6be2009-06-22 12:39:00 -05003103 }
Anthony Liguori30868442009-06-17 16:46:12 -05003104#endif
aliguori475e4272008-10-06 20:21:51 +00003105 } else if (flags & RAM_SAVE_FLAG_PAGE)
pbrook5579c7f2009-04-11 14:47:08 +00003106 qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE);
aliguori475e4272008-10-06 20:21:51 +00003107 } while (!(flags & RAM_SAVE_FLAG_EOS));
3108
bellardc88676f2006-08-06 13:36:11 +00003109 return 0;
3110}
3111
aliguori9e472e12008-10-08 19:50:24 +00003112void qemu_service_io(void)
3113{
aliguorid9f75a42009-04-24 18:03:11 +00003114 qemu_notify_event();
aliguori9e472e12008-10-08 19:50:24 +00003115}
3116
bellard8a7ddc32004-03-31 19:00:16 +00003117/***********************************************************/
bellard83f64092006-08-01 16:21:11 +00003118/* bottom halves (can be seen as timers which expire ASAP) */
3119
3120struct QEMUBH {
3121 QEMUBHFunc *cb;
3122 void *opaque;
3123 int scheduled;
aliguori1b435b12008-10-31 17:24:21 +00003124 int idle;
3125 int deleted;
bellard83f64092006-08-01 16:21:11 +00003126 QEMUBH *next;
3127};
3128
3129static QEMUBH *first_bh = NULL;
3130
3131QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
3132{
3133 QEMUBH *bh;
3134 bh = qemu_mallocz(sizeof(QEMUBH));
bellard83f64092006-08-01 16:21:11 +00003135 bh->cb = cb;
3136 bh->opaque = opaque;
aliguori1b435b12008-10-31 17:24:21 +00003137 bh->next = first_bh;
3138 first_bh = bh;
bellard83f64092006-08-01 16:21:11 +00003139 return bh;
3140}
3141
bellard6eb57332006-08-06 09:51:25 +00003142int qemu_bh_poll(void)
bellard83f64092006-08-01 16:21:11 +00003143{
aliguori1b435b12008-10-31 17:24:21 +00003144 QEMUBH *bh, **bhp;
bellard6eb57332006-08-06 09:51:25 +00003145 int ret;
bellard83f64092006-08-01 16:21:11 +00003146
bellard6eb57332006-08-06 09:51:25 +00003147 ret = 0;
aliguori1b435b12008-10-31 17:24:21 +00003148 for (bh = first_bh; bh; bh = bh->next) {
3149 if (!bh->deleted && bh->scheduled) {
3150 bh->scheduled = 0;
3151 if (!bh->idle)
3152 ret = 1;
3153 bh->idle = 0;
3154 bh->cb(bh->opaque);
3155 }
bellard83f64092006-08-01 16:21:11 +00003156 }
aliguori1b435b12008-10-31 17:24:21 +00003157
3158 /* remove deleted bhs */
3159 bhp = &first_bh;
3160 while (*bhp) {
3161 bh = *bhp;
3162 if (bh->deleted) {
3163 *bhp = bh->next;
3164 qemu_free(bh);
3165 } else
3166 bhp = &bh->next;
3167 }
3168
bellard6eb57332006-08-06 09:51:25 +00003169 return ret;
bellard83f64092006-08-01 16:21:11 +00003170}
3171
aliguori1b435b12008-10-31 17:24:21 +00003172void qemu_bh_schedule_idle(QEMUBH *bh)
3173{
3174 if (bh->scheduled)
3175 return;
3176 bh->scheduled = 1;
3177 bh->idle = 1;
3178}
3179
bellard83f64092006-08-01 16:21:11 +00003180void qemu_bh_schedule(QEMUBH *bh)
3181{
bellard83f64092006-08-01 16:21:11 +00003182 if (bh->scheduled)
3183 return;
3184 bh->scheduled = 1;
aliguori1b435b12008-10-31 17:24:21 +00003185 bh->idle = 0;
bellard83f64092006-08-01 16:21:11 +00003186 /* stop the currently executing CPU to execute the BH ASAP */
aliguorid9f75a42009-04-24 18:03:11 +00003187 qemu_notify_event();
bellard83f64092006-08-01 16:21:11 +00003188}
3189
3190void qemu_bh_cancel(QEMUBH *bh)
3191{
aliguori1b435b12008-10-31 17:24:21 +00003192 bh->scheduled = 0;
bellard83f64092006-08-01 16:21:11 +00003193}
3194
3195void qemu_bh_delete(QEMUBH *bh)
3196{
aliguori1b435b12008-10-31 17:24:21 +00003197 bh->scheduled = 0;
3198 bh->deleted = 1;
bellard83f64092006-08-01 16:21:11 +00003199}
3200
aliguori56f3a5d2008-10-31 18:07:17 +00003201static void qemu_bh_update_timeout(int *timeout)
3202{
3203 QEMUBH *bh;
3204
3205 for (bh = first_bh; bh; bh = bh->next) {
3206 if (!bh->deleted && bh->scheduled) {
3207 if (bh->idle) {
3208 /* idle bottom halves will be polled at least
3209 * every 10ms */
3210 *timeout = MIN(10, *timeout);
3211 } else {
3212 /* non-idle bottom halves will be executed
3213 * immediately */
3214 *timeout = 0;
3215 break;
3216 }
3217 }
3218 }
3219}
3220
bellard83f64092006-08-01 16:21:11 +00003221/***********************************************************/
bellardcc1daa42005-06-05 14:49:17 +00003222/* machine registration */
3223
blueswir1bdaf78e2008-10-04 07:24:27 +00003224static QEMUMachine *first_machine = NULL;
aliguori6f338c32009-02-11 15:21:54 +00003225QEMUMachine *current_machine = NULL;
bellardcc1daa42005-06-05 14:49:17 +00003226
3227int qemu_register_machine(QEMUMachine *m)
3228{
3229 QEMUMachine **pm;
3230 pm = &first_machine;
3231 while (*pm != NULL)
3232 pm = &(*pm)->next;
3233 m->next = NULL;
3234 *pm = m;
3235 return 0;
3236}
3237
pbrook9596ebb2007-11-18 01:44:38 +00003238static QEMUMachine *find_machine(const char *name)
bellardcc1daa42005-06-05 14:49:17 +00003239{
3240 QEMUMachine *m;
3241
3242 for(m = first_machine; m != NULL; m = m->next) {
3243 if (!strcmp(m->name, name))
3244 return m;
Mark McLoughlin3f6599e2009-07-22 10:02:50 +01003245 if (m->alias && !strcmp(m->alias, name))
3246 return m;
bellardcc1daa42005-06-05 14:49:17 +00003247 }
3248 return NULL;
3249}
3250
Anthony Liguori0c257432009-05-21 20:41:01 -05003251static QEMUMachine *find_default_machine(void)
3252{
3253 QEMUMachine *m;
3254
3255 for(m = first_machine; m != NULL; m = m->next) {
3256 if (m->is_default) {
3257 return m;
3258 }
3259 }
3260 return NULL;
3261}
3262
bellardcc1daa42005-06-05 14:49:17 +00003263/***********************************************************/
bellard8a7ddc32004-03-31 19:00:16 +00003264/* main execution loop */
3265
pbrook9596ebb2007-11-18 01:44:38 +00003266static void gui_update(void *opaque)
bellard8a7ddc32004-03-31 19:00:16 +00003267{
aliguori7d957bd2009-01-15 22:14:11 +00003268 uint64_t interval = GUI_REFRESH_INTERVAL;
ths740733b2007-06-08 01:57:56 +00003269 DisplayState *ds = opaque;
aliguori7d957bd2009-01-15 22:14:11 +00003270 DisplayChangeListener *dcl = ds->listeners;
3271
3272 dpy_refresh(ds);
3273
3274 while (dcl != NULL) {
3275 if (dcl->gui_timer_interval &&
3276 dcl->gui_timer_interval < interval)
3277 interval = dcl->gui_timer_interval;
3278 dcl = dcl->next;
3279 }
3280 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
bellard8a7ddc32004-03-31 19:00:16 +00003281}
3282
blueswir19043b622009-01-21 19:28:13 +00003283static void nographic_update(void *opaque)
3284{
3285 uint64_t interval = GUI_REFRESH_INTERVAL;
3286
3287 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
3288}
3289
bellard0bd48852005-11-11 00:00:47 +00003290struct vm_change_state_entry {
3291 VMChangeStateHandler *cb;
3292 void *opaque;
3293 LIST_ENTRY (vm_change_state_entry) entries;
3294};
3295
3296static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
3297
3298VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
3299 void *opaque)
3300{
3301 VMChangeStateEntry *e;
3302
3303 e = qemu_mallocz(sizeof (*e));
bellard0bd48852005-11-11 00:00:47 +00003304
3305 e->cb = cb;
3306 e->opaque = opaque;
3307 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
3308 return e;
3309}
3310
3311void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
3312{
3313 LIST_REMOVE (e, entries);
3314 qemu_free (e);
3315}
3316
aliguori9781e042009-01-22 17:15:29 +00003317static void vm_state_notify(int running, int reason)
bellard0bd48852005-11-11 00:00:47 +00003318{
3319 VMChangeStateEntry *e;
3320
3321 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
aliguori9781e042009-01-22 17:15:29 +00003322 e->cb(e->opaque, running, reason);
bellard0bd48852005-11-11 00:00:47 +00003323 }
3324}
3325
aliguorid6dc3d42009-04-24 18:04:07 +00003326static void resume_all_vcpus(void);
3327static void pause_all_vcpus(void);
3328
bellard8a7ddc32004-03-31 19:00:16 +00003329void vm_start(void)
3330{
3331 if (!vm_running) {
3332 cpu_enable_ticks();
3333 vm_running = 1;
aliguori9781e042009-01-22 17:15:29 +00003334 vm_state_notify(1, 0);
thsefe75412007-08-24 01:36:32 +00003335 qemu_rearm_alarm_timer(alarm_timer);
aliguorid6dc3d42009-04-24 18:04:07 +00003336 resume_all_vcpus();
bellard8a7ddc32004-03-31 19:00:16 +00003337 }
3338}
3339
bellardbb0c6722004-06-20 12:37:32 +00003340/* reset/shutdown handler */
3341
3342typedef struct QEMUResetEntry {
Jan Kiszka55ddfe82009-07-02 00:19:02 +02003343 TAILQ_ENTRY(QEMUResetEntry) entry;
bellardbb0c6722004-06-20 12:37:32 +00003344 QEMUResetHandler *func;
3345 void *opaque;
bellardbb0c6722004-06-20 12:37:32 +00003346} QEMUResetEntry;
3347
Jan Kiszka55ddfe82009-07-02 00:19:02 +02003348static TAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
3349 TAILQ_HEAD_INITIALIZER(reset_handlers);
bellardbb0c6722004-06-20 12:37:32 +00003350static int reset_requested;
3351static int shutdown_requested;
bellard34751872005-07-02 14:31:34 +00003352static int powerdown_requested;
aliguorie5689022009-04-24 18:03:54 +00003353static int debug_requested;
aliguori6e29f5d2009-04-24 18:04:02 +00003354static int vmstop_requested;
bellardbb0c6722004-06-20 12:37:32 +00003355
aurel32cf7a2fe2008-03-18 06:53:05 +00003356int qemu_shutdown_requested(void)
3357{
3358 int r = shutdown_requested;
3359 shutdown_requested = 0;
3360 return r;
3361}
3362
3363int qemu_reset_requested(void)
3364{
3365 int r = reset_requested;
3366 reset_requested = 0;
3367 return r;
3368}
3369
3370int qemu_powerdown_requested(void)
3371{
3372 int r = powerdown_requested;
3373 powerdown_requested = 0;
3374 return r;
3375}
3376
aliguorie5689022009-04-24 18:03:54 +00003377static int qemu_debug_requested(void)
3378{
3379 int r = debug_requested;
3380 debug_requested = 0;
3381 return r;
3382}
3383
aliguori6e29f5d2009-04-24 18:04:02 +00003384static int qemu_vmstop_requested(void)
3385{
3386 int r = vmstop_requested;
3387 vmstop_requested = 0;
3388 return r;
3389}
3390
3391static void do_vm_stop(int reason)
3392{
3393 if (vm_running) {
3394 cpu_disable_ticks();
3395 vm_running = 0;
aliguorid6dc3d42009-04-24 18:04:07 +00003396 pause_all_vcpus();
aliguori6e29f5d2009-04-24 18:04:02 +00003397 vm_state_notify(0, reason);
3398 }
3399}
3400
Jan Kiszkaa08d4362009-06-27 09:25:07 +02003401void qemu_register_reset(QEMUResetHandler *func, void *opaque)
bellardbb0c6722004-06-20 12:37:32 +00003402{
Jan Kiszka55ddfe82009-07-02 00:19:02 +02003403 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
bellardbb0c6722004-06-20 12:37:32 +00003404
bellardbb0c6722004-06-20 12:37:32 +00003405 re->func = func;
3406 re->opaque = opaque;
Jan Kiszka55ddfe82009-07-02 00:19:02 +02003407 TAILQ_INSERT_TAIL(&reset_handlers, re, entry);
bellardbb0c6722004-06-20 12:37:32 +00003408}
3409
Jan Kiszkadda9b292009-07-02 00:19:02 +02003410void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
bellardbb0c6722004-06-20 12:37:32 +00003411{
3412 QEMUResetEntry *re;
3413
Jan Kiszka55ddfe82009-07-02 00:19:02 +02003414 TAILQ_FOREACH(re, &reset_handlers, entry) {
Jan Kiszkadda9b292009-07-02 00:19:02 +02003415 if (re->func == func && re->opaque == opaque) {
3416 TAILQ_REMOVE(&reset_handlers, re, entry);
3417 qemu_free(re);
3418 return;
3419 }
3420 }
3421}
3422
3423void qemu_system_reset(void)
3424{
3425 QEMUResetEntry *re, *nre;
3426
3427 /* reset all devices */
3428 TAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
bellardbb0c6722004-06-20 12:37:32 +00003429 re->func(re->opaque);
3430 }
3431}
3432
3433void qemu_system_reset_request(void)
3434{
bellardd1beab82006-10-02 19:44:22 +00003435 if (no_reboot) {
3436 shutdown_requested = 1;
3437 } else {
3438 reset_requested = 1;
3439 }
aliguorid9f75a42009-04-24 18:03:11 +00003440 qemu_notify_event();
bellardbb0c6722004-06-20 12:37:32 +00003441}
3442
3443void qemu_system_shutdown_request(void)
3444{
3445 shutdown_requested = 1;
aliguorid9f75a42009-04-24 18:03:11 +00003446 qemu_notify_event();
bellardbb0c6722004-06-20 12:37:32 +00003447}
3448
bellard34751872005-07-02 14:31:34 +00003449void qemu_system_powerdown_request(void)
3450{
3451 powerdown_requested = 1;
aliguorid9f75a42009-04-24 18:03:11 +00003452 qemu_notify_event();
3453}
3454
aliguorid6dc3d42009-04-24 18:04:07 +00003455#ifdef CONFIG_IOTHREAD
3456static void qemu_system_vmstop_request(int reason)
aliguorid9f75a42009-04-24 18:03:11 +00003457{
aliguorid6dc3d42009-04-24 18:04:07 +00003458 vmstop_requested = reason;
3459 qemu_notify_event();
bellardbb0c6722004-06-20 12:37:32 +00003460}
aliguorid6dc3d42009-04-24 18:04:07 +00003461#endif
bellardbb0c6722004-06-20 12:37:32 +00003462
aliguori50317c72009-04-24 18:03:29 +00003463#ifndef _WIN32
3464static int io_thread_fd = -1;
3465
3466static void qemu_event_increment(void)
3467{
3468 static const char byte = 0;
3469
3470 if (io_thread_fd == -1)
3471 return;
3472
3473 write(io_thread_fd, &byte, sizeof(byte));
3474}
3475
3476static void qemu_event_read(void *opaque)
3477{
3478 int fd = (unsigned long)opaque;
3479 ssize_t len;
3480
3481 /* Drain the notify pipe */
3482 do {
3483 char buffer[512];
3484 len = read(fd, buffer, sizeof(buffer));
3485 } while ((len == -1 && errno == EINTR) || len > 0);
3486}
3487
3488static int qemu_event_init(void)
3489{
3490 int err;
3491 int fds[2];
3492
3493 err = pipe(fds);
3494 if (err == -1)
3495 return -errno;
3496
3497 err = fcntl_setfl(fds[0], O_NONBLOCK);
3498 if (err < 0)
3499 goto fail;
3500
3501 err = fcntl_setfl(fds[1], O_NONBLOCK);
3502 if (err < 0)
3503 goto fail;
3504
3505 qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL,
3506 (void *)(unsigned long)fds[0]);
3507
3508 io_thread_fd = fds[1];
Jan Kiszkaa7e21212009-04-29 18:38:28 +00003509 return 0;
3510
aliguori50317c72009-04-24 18:03:29 +00003511fail:
3512 close(fds[0]);
3513 close(fds[1]);
3514 return err;
3515}
3516#else
3517HANDLE qemu_event_handle;
3518
3519static void dummy_event_handler(void *opaque)
3520{
3521}
3522
3523static int qemu_event_init(void)
3524{
3525 qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL);
3526 if (!qemu_event_handle) {
3527 perror("Failed CreateEvent");
3528 return -1;
3529 }
3530 qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL);
3531 return 0;
3532}
3533
3534static void qemu_event_increment(void)
3535{
3536 SetEvent(qemu_event_handle);
3537}
3538#endif
3539
aliguorid6dc3d42009-04-24 18:04:07 +00003540static int cpu_can_run(CPUState *env)
3541{
3542 if (env->stop)
3543 return 0;
3544 if (env->stopped)
3545 return 0;
3546 return 1;
3547}
3548
3549#ifndef CONFIG_IOTHREAD
aliguori3fcf7b62009-04-24 18:03:25 +00003550static int qemu_init_main_loop(void)
3551{
aliguori50317c72009-04-24 18:03:29 +00003552 return qemu_event_init();
aliguori3fcf7b62009-04-24 18:03:25 +00003553}
3554
aliguori0bf46a42009-04-24 18:03:41 +00003555void qemu_init_vcpu(void *_env)
3556{
3557 CPUState *env = _env;
3558
3559 if (kvm_enabled())
3560 kvm_init_vcpu(env);
Andre Przywaradc6b1c02009-08-19 15:42:40 +02003561 env->nr_cores = smp_cores;
3562 env->nr_threads = smp_threads;
aliguori0bf46a42009-04-24 18:03:41 +00003563 return;
3564}
3565
aliguori8edac962009-04-24 18:03:45 +00003566int qemu_cpu_self(void *env)
3567{
3568 return 1;
3569}
3570
aliguorid6dc3d42009-04-24 18:04:07 +00003571static void resume_all_vcpus(void)
3572{
3573}
3574
3575static void pause_all_vcpus(void)
3576{
3577}
3578
aliguori8edac962009-04-24 18:03:45 +00003579void qemu_cpu_kick(void *env)
3580{
3581 return;
3582}
3583
aliguorid6dc3d42009-04-24 18:04:07 +00003584void qemu_notify_event(void)
3585{
3586 CPUState *env = cpu_single_env;
3587
3588 if (env) {
3589 cpu_exit(env);
Anthony Liguori4a1418e2009-08-10 17:07:24 -05003590 }
aliguorid6dc3d42009-04-24 18:04:07 +00003591}
3592
aliguori48708522009-04-24 18:03:49 +00003593#define qemu_mutex_lock_iothread() do { } while (0)
3594#define qemu_mutex_unlock_iothread() do { } while (0)
3595
aliguori6e29f5d2009-04-24 18:04:02 +00003596void vm_stop(int reason)
3597{
3598 do_vm_stop(reason);
3599}
3600
aliguorid6dc3d42009-04-24 18:04:07 +00003601#else /* CONFIG_IOTHREAD */
3602
3603#include "qemu-thread.h"
3604
3605QemuMutex qemu_global_mutex;
3606static QemuMutex qemu_fair_mutex;
3607
3608static QemuThread io_thread;
3609
3610static QemuThread *tcg_cpu_thread;
3611static QemuCond *tcg_halt_cond;
3612
3613static int qemu_system_ready;
3614/* cpu creation */
3615static QemuCond qemu_cpu_cond;
3616/* system init */
3617static QemuCond qemu_system_cond;
3618static QemuCond qemu_pause_cond;
3619
3620static void block_io_signals(void);
3621static void unblock_io_signals(void);
3622static int tcg_has_work(void);
3623
3624static int qemu_init_main_loop(void)
3625{
3626 int ret;
3627
3628 ret = qemu_event_init();
3629 if (ret)
3630 return ret;
3631
3632 qemu_cond_init(&qemu_pause_cond);
3633 qemu_mutex_init(&qemu_fair_mutex);
3634 qemu_mutex_init(&qemu_global_mutex);
3635 qemu_mutex_lock(&qemu_global_mutex);
3636
3637 unblock_io_signals();
3638 qemu_thread_self(&io_thread);
3639
3640 return 0;
3641}
3642
3643static void qemu_wait_io_event(CPUState *env)
3644{
3645 while (!tcg_has_work())
3646 qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
3647
3648 qemu_mutex_unlock(&qemu_global_mutex);
3649
3650 /*
3651 * Users of qemu_global_mutex can be starved, having no chance
3652 * to acquire it since this path will get to it first.
3653 * So use another lock to provide fairness.
3654 */
3655 qemu_mutex_lock(&qemu_fair_mutex);
3656 qemu_mutex_unlock(&qemu_fair_mutex);
3657
3658 qemu_mutex_lock(&qemu_global_mutex);
3659 if (env->stop) {
3660 env->stop = 0;
3661 env->stopped = 1;
3662 qemu_cond_signal(&qemu_pause_cond);
3663 }
3664}
3665
3666static int qemu_cpu_exec(CPUState *env);
3667
3668static void *kvm_cpu_thread_fn(void *arg)
3669{
3670 CPUState *env = arg;
3671
3672 block_io_signals();
3673 qemu_thread_self(env->thread);
Jean-Christophe DUBOIS321c1cb2009-09-02 23:59:04 +02003674 if (kvm_enabled())
3675 kvm_init_vcpu(env);
aliguorid6dc3d42009-04-24 18:04:07 +00003676
3677 /* signal CPU creation */
3678 qemu_mutex_lock(&qemu_global_mutex);
3679 env->created = 1;
3680 qemu_cond_signal(&qemu_cpu_cond);
3681
3682 /* and wait for machine initialization */
3683 while (!qemu_system_ready)
3684 qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
3685
3686 while (1) {
3687 if (cpu_can_run(env))
3688 qemu_cpu_exec(env);
Anthony Liguori1c3173b2009-09-10 08:45:43 -05003689 qemu_wait_io_event(env);
aliguorid6dc3d42009-04-24 18:04:07 +00003690 }
3691
3692 return NULL;
3693}
3694
3695static void tcg_cpu_exec(void);
3696
3697static void *tcg_cpu_thread_fn(void *arg)
3698{
3699 CPUState *env = arg;
3700
3701 block_io_signals();
3702 qemu_thread_self(env->thread);
3703
3704 /* signal CPU creation */
3705 qemu_mutex_lock(&qemu_global_mutex);
3706 for (env = first_cpu; env != NULL; env = env->next_cpu)
3707 env->created = 1;
3708 qemu_cond_signal(&qemu_cpu_cond);
3709
3710 /* and wait for machine initialization */
3711 while (!qemu_system_ready)
3712 qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
3713
3714 while (1) {
3715 tcg_cpu_exec();
3716 qemu_wait_io_event(cur_cpu);
3717 }
3718
3719 return NULL;
3720}
3721
3722void qemu_cpu_kick(void *_env)
3723{
3724 CPUState *env = _env;
3725 qemu_cond_broadcast(env->halt_cond);
3726 if (kvm_enabled())
3727 qemu_thread_signal(env->thread, SIGUSR1);
3728}
3729
3730int qemu_cpu_self(void *env)
3731{
3732 return (cpu_single_env != NULL);
3733}
3734
3735static void cpu_signal(int sig)
3736{
3737 if (cpu_single_env)
3738 cpu_exit(cpu_single_env);
3739}
3740
3741static void block_io_signals(void)
3742{
3743 sigset_t set;
3744 struct sigaction sigact;
3745
3746 sigemptyset(&set);
3747 sigaddset(&set, SIGUSR2);
3748 sigaddset(&set, SIGIO);
3749 sigaddset(&set, SIGALRM);
3750 pthread_sigmask(SIG_BLOCK, &set, NULL);
3751
3752 sigemptyset(&set);
3753 sigaddset(&set, SIGUSR1);
3754 pthread_sigmask(SIG_UNBLOCK, &set, NULL);
3755
3756 memset(&sigact, 0, sizeof(sigact));
3757 sigact.sa_handler = cpu_signal;
3758 sigaction(SIGUSR1, &sigact, NULL);
3759}
3760
3761static void unblock_io_signals(void)
3762{
3763 sigset_t set;
3764
3765 sigemptyset(&set);
3766 sigaddset(&set, SIGUSR2);
3767 sigaddset(&set, SIGIO);
3768 sigaddset(&set, SIGALRM);
3769 pthread_sigmask(SIG_UNBLOCK, &set, NULL);
3770
3771 sigemptyset(&set);
3772 sigaddset(&set, SIGUSR1);
3773 pthread_sigmask(SIG_BLOCK, &set, NULL);
3774}
3775
3776static void qemu_signal_lock(unsigned int msecs)
3777{
3778 qemu_mutex_lock(&qemu_fair_mutex);
3779
3780 while (qemu_mutex_trylock(&qemu_global_mutex)) {
3781 qemu_thread_signal(tcg_cpu_thread, SIGUSR1);
3782 if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs))
3783 break;
3784 }
3785 qemu_mutex_unlock(&qemu_fair_mutex);
3786}
3787
3788static void qemu_mutex_lock_iothread(void)
3789{
3790 if (kvm_enabled()) {
3791 qemu_mutex_lock(&qemu_fair_mutex);
3792 qemu_mutex_lock(&qemu_global_mutex);
3793 qemu_mutex_unlock(&qemu_fair_mutex);
3794 } else
3795 qemu_signal_lock(100);
3796}
3797
3798static void qemu_mutex_unlock_iothread(void)
3799{
3800 qemu_mutex_unlock(&qemu_global_mutex);
3801}
3802
3803static int all_vcpus_paused(void)
3804{
3805 CPUState *penv = first_cpu;
3806
3807 while (penv) {
3808 if (!penv->stopped)
3809 return 0;
3810 penv = (CPUState *)penv->next_cpu;
3811 }
3812
3813 return 1;
3814}
3815
3816static void pause_all_vcpus(void)
3817{
3818 CPUState *penv = first_cpu;
3819
3820 while (penv) {
3821 penv->stop = 1;
3822 qemu_thread_signal(penv->thread, SIGUSR1);
3823 qemu_cpu_kick(penv);
3824 penv = (CPUState *)penv->next_cpu;
3825 }
3826
3827 while (!all_vcpus_paused()) {
3828 qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100);
3829 penv = first_cpu;
3830 while (penv) {
3831 qemu_thread_signal(penv->thread, SIGUSR1);
3832 penv = (CPUState *)penv->next_cpu;
3833 }
3834 }
3835}
3836
3837static void resume_all_vcpus(void)
3838{
3839 CPUState *penv = first_cpu;
3840
3841 while (penv) {
3842 penv->stop = 0;
3843 penv->stopped = 0;
3844 qemu_thread_signal(penv->thread, SIGUSR1);
3845 qemu_cpu_kick(penv);
3846 penv = (CPUState *)penv->next_cpu;
3847 }
3848}
3849
3850static void tcg_init_vcpu(void *_env)
3851{
3852 CPUState *env = _env;
3853 /* share a single thread for all cpus with TCG */
3854 if (!tcg_cpu_thread) {
3855 env->thread = qemu_mallocz(sizeof(QemuThread));
3856 env->halt_cond = qemu_mallocz(sizeof(QemuCond));
3857 qemu_cond_init(env->halt_cond);
3858 qemu_thread_create(env->thread, tcg_cpu_thread_fn, env);
3859 while (env->created == 0)
3860 qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
3861 tcg_cpu_thread = env->thread;
3862 tcg_halt_cond = env->halt_cond;
3863 } else {
3864 env->thread = tcg_cpu_thread;
3865 env->halt_cond = tcg_halt_cond;
3866 }
3867}
3868
3869static void kvm_start_vcpu(CPUState *env)
3870{
aliguorid6dc3d42009-04-24 18:04:07 +00003871 env->thread = qemu_mallocz(sizeof(QemuThread));
3872 env->halt_cond = qemu_mallocz(sizeof(QemuCond));
3873 qemu_cond_init(env->halt_cond);
3874 qemu_thread_create(env->thread, kvm_cpu_thread_fn, env);
3875 while (env->created == 0)
3876 qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
3877}
3878
3879void qemu_init_vcpu(void *_env)
3880{
3881 CPUState *env = _env;
3882
3883 if (kvm_enabled())
3884 kvm_start_vcpu(env);
3885 else
3886 tcg_init_vcpu(env);
Andre Przywaradc6b1c02009-08-19 15:42:40 +02003887 env->nr_cores = smp_cores;
3888 env->nr_threads = smp_threads;
aliguorid6dc3d42009-04-24 18:04:07 +00003889}
3890
3891void qemu_notify_event(void)
3892{
3893 qemu_event_increment();
3894}
3895
3896void vm_stop(int reason)
3897{
3898 QemuThread me;
3899 qemu_thread_self(&me);
3900
3901 if (!qemu_thread_equal(&me, &io_thread)) {
3902 qemu_system_vmstop_request(reason);
3903 /*
3904 * FIXME: should not return to device code in case
3905 * vm_stop() has been requested.
3906 */
3907 if (cpu_single_env) {
3908 cpu_exit(cpu_single_env);
3909 cpu_single_env->stop = 1;
3910 }
3911 return;
3912 }
3913 do_vm_stop(reason);
3914}
3915
3916#endif
3917
3918
ths877cf882007-04-18 18:11:47 +00003919#ifdef _WIN32
blueswir169d64512008-12-07 19:30:18 +00003920static void host_main_loop_wait(int *timeout)
aliguori56f3a5d2008-10-31 18:07:17 +00003921{
3922 int ret, ret2, i;
bellardf3311102006-04-12 20:21:17 +00003923 PollingEntry *pe;
bellardc4b1fcc2004-03-14 21:44:30 +00003924
bellardf3311102006-04-12 20:21:17 +00003925
3926 /* XXX: need to suppress polling by better using win32 events */
3927 ret = 0;
3928 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
3929 ret |= pe->func(pe->opaque);
3930 }
thse6b1e552007-04-18 17:56:02 +00003931 if (ret == 0) {
bellarda18e5242006-06-25 17:18:27 +00003932 int err;
3933 WaitObjects *w = &wait_objects;
ths3b46e622007-09-17 08:09:54 +00003934
aliguori56f3a5d2008-10-31 18:07:17 +00003935 ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
bellarda18e5242006-06-25 17:18:27 +00003936 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
3937 if (w->func[ret - WAIT_OBJECT_0])
3938 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
ths3b46e622007-09-17 08:09:54 +00003939
ths5fafdf22007-09-16 21:08:06 +00003940 /* Check for additional signaled events */
thse6b1e552007-04-18 17:56:02 +00003941 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
ths3b46e622007-09-17 08:09:54 +00003942
thse6b1e552007-04-18 17:56:02 +00003943 /* Check if event is signaled */
3944 ret2 = WaitForSingleObject(w->events[i], 0);
3945 if(ret2 == WAIT_OBJECT_0) {
3946 if (w->func[i])
3947 w->func[i](w->opaque[i]);
3948 } else if (ret2 == WAIT_TIMEOUT) {
3949 } else {
3950 err = GetLastError();
3951 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
ths3b46e622007-09-17 08:09:54 +00003952 }
3953 }
bellarda18e5242006-06-25 17:18:27 +00003954 } else if (ret == WAIT_TIMEOUT) {
3955 } else {
3956 err = GetLastError();
thse6b1e552007-04-18 17:56:02 +00003957 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
bellarda18e5242006-06-25 17:18:27 +00003958 }
bellardf3311102006-04-12 20:21:17 +00003959 }
aliguori56f3a5d2008-10-31 18:07:17 +00003960
3961 *timeout = 0;
3962}
3963#else
blueswir169d64512008-12-07 19:30:18 +00003964static void host_main_loop_wait(int *timeout)
aliguori56f3a5d2008-10-31 18:07:17 +00003965{
3966}
bellardfd1dff42006-02-01 21:29:26 +00003967#endif
aliguori56f3a5d2008-10-31 18:07:17 +00003968
3969void main_loop_wait(int timeout)
3970{
3971 IOHandlerRecord *ioh;
3972 fd_set rfds, wfds, xfds;
3973 int ret, nfds;
3974 struct timeval tv;
3975
3976 qemu_bh_update_timeout(&timeout);
3977
3978 host_main_loop_wait(&timeout);
3979
bellardfd1dff42006-02-01 21:29:26 +00003980 /* poll any events */
3981 /* XXX: separate device handlers from system ones */
aliguori6abfbd72008-11-05 20:49:37 +00003982 nfds = -1;
bellardfd1dff42006-02-01 21:29:26 +00003983 FD_ZERO(&rfds);
3984 FD_ZERO(&wfds);
bellarde0356492006-05-01 13:33:02 +00003985 FD_ZERO(&xfds);
bellardfd1dff42006-02-01 21:29:26 +00003986 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
thscafffd42007-02-28 21:59:44 +00003987 if (ioh->deleted)
3988 continue;
bellardfd1dff42006-02-01 21:29:26 +00003989 if (ioh->fd_read &&
3990 (!ioh->fd_read_poll ||
3991 ioh->fd_read_poll(ioh->opaque) != 0)) {
3992 FD_SET(ioh->fd, &rfds);
3993 if (ioh->fd > nfds)
3994 nfds = ioh->fd;
3995 }
3996 if (ioh->fd_write) {
3997 FD_SET(ioh->fd, &wfds);
3998 if (ioh->fd > nfds)
3999 nfds = ioh->fd;
4000 }
4001 }
ths3b46e622007-09-17 08:09:54 +00004002
aliguori56f3a5d2008-10-31 18:07:17 +00004003 tv.tv_sec = timeout / 1000;
4004 tv.tv_usec = (timeout % 1000) * 1000;
4005
Jan Kiszkad918f232009-06-24 14:42:30 +02004006 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
4007
aliguori48708522009-04-24 18:03:49 +00004008 qemu_mutex_unlock_iothread();
bellarde0356492006-05-01 13:33:02 +00004009 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
aliguori48708522009-04-24 18:03:49 +00004010 qemu_mutex_lock_iothread();
bellardfd1dff42006-02-01 21:29:26 +00004011 if (ret > 0) {
thscafffd42007-02-28 21:59:44 +00004012 IOHandlerRecord **pioh;
4013
4014 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
ths6ab43fd2007-08-25 01:34:19 +00004015 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
bellardfd1dff42006-02-01 21:29:26 +00004016 ioh->fd_read(ioh->opaque);
bellardc4b1fcc2004-03-14 21:44:30 +00004017 }
ths6ab43fd2007-08-25 01:34:19 +00004018 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
bellardfd1dff42006-02-01 21:29:26 +00004019 ioh->fd_write(ioh->opaque);
bellardb4608c02003-06-27 17:34:32 +00004020 }
4021 }
thscafffd42007-02-28 21:59:44 +00004022
4023 /* remove deleted IO handlers */
4024 pioh = &first_io_handler;
4025 while (*pioh) {
4026 ioh = *pioh;
4027 if (ioh->deleted) {
4028 *pioh = ioh->next;
4029 qemu_free(ioh);
ths5fafdf22007-09-16 21:08:06 +00004030 } else
thscafffd42007-02-28 21:59:44 +00004031 pioh = &ioh->next;
4032 }
bellardfd1dff42006-02-01 21:29:26 +00004033 }
Jan Kiszkad918f232009-06-24 14:42:30 +02004034
4035 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
bellardc20709a2004-04-21 23:27:19 +00004036
aliguori50317c72009-04-24 18:03:29 +00004037 /* rearm timer, if not periodic */
4038 if (alarm_timer->flags & ALARM_FLAG_EXPIRED) {
4039 alarm_timer->flags &= ~ALARM_FLAG_EXPIRED;
4040 qemu_rearm_alarm_timer(alarm_timer);
4041 }
4042
aliguori357c6922008-11-25 17:26:09 +00004043 /* vm time timers */
aliguorid6dc3d42009-04-24 18:04:07 +00004044 if (vm_running) {
4045 if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
4046 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
4047 qemu_get_clock(vm_clock));
4048 }
aliguori357c6922008-11-25 17:26:09 +00004049
4050 /* real time timers */
4051 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
4052 qemu_get_clock(rt_clock));
4053
pbrook423f0742007-05-23 00:06:54 +00004054 /* Check bottom-halves last in case any of the earlier events triggered
4055 them. */
4056 qemu_bh_poll();
ths3b46e622007-09-17 08:09:54 +00004057
bellard5905b2e2004-08-01 21:53:26 +00004058}
4059
aliguori43b96852009-04-24 18:03:33 +00004060static int qemu_cpu_exec(CPUState *env)
bellard5905b2e2004-08-01 21:53:26 +00004061{
aliguori43b96852009-04-24 18:03:33 +00004062 int ret;
bellard89bfc102006-02-08 22:46:31 +00004063#ifdef CONFIG_PROFILER
4064 int64_t ti;
4065#endif
aliguori43b96852009-04-24 18:03:33 +00004066
4067#ifdef CONFIG_PROFILER
4068 ti = profile_getclock();
4069#endif
4070 if (use_icount) {
4071 int64_t count;
4072 int decr;
4073 qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
4074 env->icount_decr.u16.low = 0;
4075 env->icount_extra = 0;
4076 count = qemu_next_deadline();
4077 count = (count + (1 << icount_time_shift) - 1)
4078 >> icount_time_shift;
4079 qemu_icount += count;
4080 decr = (count > 0xffff) ? 0xffff : count;
4081 count -= decr;
4082 env->icount_decr.u16.low = decr;
4083 env->icount_extra = count;
4084 }
4085 ret = cpu_exec(env);
4086#ifdef CONFIG_PROFILER
4087 qemu_time += profile_getclock() - ti;
4088#endif
4089 if (use_icount) {
4090 /* Fold pending instructions back into the
4091 instruction counter, and clear the interrupt flag. */
4092 qemu_icount -= (env->icount_decr.u16.low
4093 + env->icount_extra);
4094 env->icount_decr.u32 = 0;
4095 env->icount_extra = 0;
4096 }
4097 return ret;
4098}
4099
aliguorie6e35b12009-04-24 18:03:57 +00004100static void tcg_cpu_exec(void)
4101{
aliguorid6dc3d42009-04-24 18:04:07 +00004102 int ret = 0;
aliguorie6e35b12009-04-24 18:03:57 +00004103
4104 if (next_cpu == NULL)
4105 next_cpu = first_cpu;
4106 for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) {
4107 CPUState *env = cur_cpu = next_cpu;
4108
4109 if (!vm_running)
4110 break;
4111 if (timer_alarm_pending) {
4112 timer_alarm_pending = 0;
4113 break;
4114 }
aliguorid6dc3d42009-04-24 18:04:07 +00004115 if (cpu_can_run(env))
4116 ret = qemu_cpu_exec(env);
aliguorie6e35b12009-04-24 18:03:57 +00004117 if (ret == EXCP_DEBUG) {
4118 gdb_set_stop_cpu(env);
4119 debug_requested = 1;
4120 break;
4121 }
4122 }
4123}
4124
aliguori43b96852009-04-24 18:03:33 +00004125static int cpu_has_work(CPUState *env)
4126{
aliguorid6dc3d42009-04-24 18:04:07 +00004127 if (env->stop)
4128 return 1;
4129 if (env->stopped)
4130 return 0;
aliguori43b96852009-04-24 18:03:33 +00004131 if (!env->halted)
4132 return 1;
4133 if (qemu_cpu_has_work(env))
4134 return 1;
4135 return 0;
4136}
4137
4138static int tcg_has_work(void)
4139{
bellard6a00d602005-11-21 23:25:50 +00004140 CPUState *env;
bellard5905b2e2004-08-01 21:53:26 +00004141
aliguori43b96852009-04-24 18:03:33 +00004142 for (env = first_cpu; env != NULL; env = env->next_cpu)
4143 if (cpu_has_work(env))
4144 return 1;
4145 return 0;
4146}
bellard15a76442005-11-23 21:01:03 +00004147
aliguori43b96852009-04-24 18:03:33 +00004148static int qemu_calculate_timeout(void)
4149{
Luiz Capitulinob3198202009-06-09 18:24:57 -03004150#ifndef CONFIG_IOTHREAD
aliguori43b96852009-04-24 18:03:33 +00004151 int timeout;
bellard15a76442005-11-23 21:01:03 +00004152
aliguori43b96852009-04-24 18:03:33 +00004153 if (!vm_running)
4154 timeout = 5000;
4155 else if (tcg_has_work())
4156 timeout = 0;
4157 else if (!use_icount)
4158 timeout = 5000;
4159 else {
4160 /* XXX: use timeout computed from timers */
4161 int64_t add;
4162 int64_t delta;
4163 /* Advance virtual time to the next event. */
4164 if (use_icount == 1) {
4165 /* When not using an adaptive execution frequency
4166 we tend to get badly out of sync with real time,
4167 so just delay for a reasonable amount of time. */
4168 delta = 0;
bellard5905b2e2004-08-01 21:53:26 +00004169 } else {
aliguori43b96852009-04-24 18:03:33 +00004170 delta = cpu_get_icount() - cpu_get_clock();
bellard5905b2e2004-08-01 21:53:26 +00004171 }
aliguori43b96852009-04-24 18:03:33 +00004172 if (delta > 0) {
4173 /* If virtual time is ahead of real time then just
4174 wait for IO. */
4175 timeout = (delta / 1000000) + 1;
4176 } else {
4177 /* Wait for either IO to occur or the next
4178 timer event. */
4179 add = qemu_next_deadline();
4180 /* We advance the timer before checking for IO.
4181 Limit the amount we advance so that early IO
4182 activity won't get the guest too far ahead. */
4183 if (add > 10000000)
4184 add = 10000000;
4185 delta += add;
4186 add = (add + (1 << icount_time_shift) - 1)
4187 >> icount_time_shift;
4188 qemu_icount += add;
4189 timeout = delta / 1000000;
4190 if (timeout < 0)
4191 timeout = 0;
4192 }
bellardb4608c02003-06-27 17:34:32 +00004193 }
aliguori43b96852009-04-24 18:03:33 +00004194
4195 return timeout;
Luiz Capitulinob3198202009-06-09 18:24:57 -03004196#else /* CONFIG_IOTHREAD */
4197 return 1000;
4198#endif
aliguori43b96852009-04-24 18:03:33 +00004199}
4200
4201static int vm_can_run(void)
4202{
4203 if (powerdown_requested)
4204 return 0;
4205 if (reset_requested)
4206 return 0;
4207 if (shutdown_requested)
4208 return 0;
aliguorie5689022009-04-24 18:03:54 +00004209 if (debug_requested)
4210 return 0;
aliguori43b96852009-04-24 18:03:33 +00004211 return 1;
4212}
4213
Blue Swirld9c32312009-08-09 08:42:19 +00004214qemu_irq qemu_system_powerdown;
4215
aliguori43b96852009-04-24 18:03:33 +00004216static void main_loop(void)
4217{
aliguori6e29f5d2009-04-24 18:04:02 +00004218 int r;
aliguori43b96852009-04-24 18:03:33 +00004219
aliguorid6dc3d42009-04-24 18:04:07 +00004220#ifdef CONFIG_IOTHREAD
4221 qemu_system_ready = 1;
4222 qemu_cond_broadcast(&qemu_system_cond);
4223#endif
4224
aliguori6e29f5d2009-04-24 18:04:02 +00004225 for (;;) {
aliguorie6e35b12009-04-24 18:03:57 +00004226 do {
4227#ifdef CONFIG_PROFILER
4228 int64_t ti;
4229#endif
aliguorid6dc3d42009-04-24 18:04:07 +00004230#ifndef CONFIG_IOTHREAD
aliguorie6e35b12009-04-24 18:03:57 +00004231 tcg_cpu_exec();
aliguorid6dc3d42009-04-24 18:04:07 +00004232#endif
aliguori43b96852009-04-24 18:03:33 +00004233#ifdef CONFIG_PROFILER
4234 ti = profile_getclock();
4235#endif
4236 main_loop_wait(qemu_calculate_timeout());
4237#ifdef CONFIG_PROFILER
4238 dev_time += profile_getclock() - ti;
4239#endif
aliguorie5689022009-04-24 18:03:54 +00004240 } while (vm_can_run());
aliguori43b96852009-04-24 18:03:33 +00004241
aliguorie5689022009-04-24 18:03:54 +00004242 if (qemu_debug_requested())
aliguori43b96852009-04-24 18:03:33 +00004243 vm_stop(EXCP_DEBUG);
aliguori43b96852009-04-24 18:03:33 +00004244 if (qemu_shutdown_requested()) {
4245 if (no_shutdown) {
4246 vm_stop(0);
4247 no_shutdown = 0;
4248 } else
4249 break;
4250 }
aliguorid6dc3d42009-04-24 18:04:07 +00004251 if (qemu_reset_requested()) {
4252 pause_all_vcpus();
aliguori43b96852009-04-24 18:03:33 +00004253 qemu_system_reset();
aliguorid6dc3d42009-04-24 18:04:07 +00004254 resume_all_vcpus();
4255 }
Blue Swirld9c32312009-08-09 08:42:19 +00004256 if (qemu_powerdown_requested()) {
4257 qemu_irq_raise(qemu_system_powerdown);
4258 }
aliguori6e29f5d2009-04-24 18:04:02 +00004259 if ((r = qemu_vmstop_requested()))
4260 vm_stop(r);
aliguori43b96852009-04-24 18:03:33 +00004261 }
aliguorid6dc3d42009-04-24 18:04:07 +00004262 pause_all_vcpus();
bellardb4608c02003-06-27 17:34:32 +00004263}
4264
pbrook9bd7e6d2009-04-07 22:58:45 +00004265static void version(void)
4266{
pbrook4a19f1e2009-04-07 23:17:49 +00004267 printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
pbrook9bd7e6d2009-04-07 22:58:45 +00004268}
4269
ths15f82202007-06-29 23:26:08 +00004270static void help(int exitcode)
bellard0824d6f2003-06-24 13:42:40 +00004271{
pbrook9bd7e6d2009-04-07 22:58:45 +00004272 version();
4273 printf("usage: %s [options] [disk_image]\n"
bellard0824d6f2003-06-24 13:42:40 +00004274 "\n"
bellarda20dd502003-09-30 21:07:02 +00004275 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
bellardfc01f7e2003-06-30 10:03:06 +00004276 "\n"
blueswir15824d652009-03-28 06:44:27 +00004277#define DEF(option, opt_arg, opt_enum, opt_help) \
4278 opt_help
4279#define DEFHEADING(text) stringify(text) "\n"
4280#include "qemu-options.h"
4281#undef DEF
4282#undef DEFHEADING
4283#undef GEN_DOCS
bellard0824d6f2003-06-24 13:42:40 +00004284 "\n"
bellard82c643f2004-07-14 17:28:13 +00004285 "During emulation, the following keys are useful:\n"
bellard032a8c92004-10-09 22:56:44 +00004286 "ctrl-alt-f toggle full screen\n"
4287 "ctrl-alt-n switch to virtual console 'n'\n"
4288 "ctrl-alt toggle mouse and keyboard grab\n"
bellard82c643f2004-07-14 17:28:13 +00004289 "\n"
4290 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4291 ,
bellard0db63472003-10-27 21:37:46 +00004292 "qemu",
bellarda00bad72004-05-22 21:39:06 +00004293 DEFAULT_RAM_SIZE,
bellard7c9d8e02005-11-15 22:16:05 +00004294#ifndef _WIN32
bellarda00bad72004-05-22 21:39:06 +00004295 DEFAULT_NETWORK_SCRIPT,
thsb46a8902007-10-21 23:20:45 +00004296 DEFAULT_NETWORK_DOWN_SCRIPT,
bellard7c9d8e02005-11-15 22:16:05 +00004297#endif
bellard6e44ba72004-01-18 21:56:49 +00004298 DEFAULT_GDBSTUB_PORT,
bellardbce61842008-02-01 22:18:51 +00004299 "/tmp/qemu.log");
ths15f82202007-06-29 23:26:08 +00004300 exit(exitcode);
bellard0824d6f2003-06-24 13:42:40 +00004301}
4302
bellardcd6f1162004-05-13 22:02:20 +00004303#define HAS_ARG 0x0001
4304
4305enum {
blueswir15824d652009-03-28 06:44:27 +00004306#define DEF(option, opt_arg, opt_enum, opt_help) \
4307 opt_enum,
4308#define DEFHEADING(text)
4309#include "qemu-options.h"
4310#undef DEF
4311#undef DEFHEADING
4312#undef GEN_DOCS
bellardcd6f1162004-05-13 22:02:20 +00004313};
4314
4315typedef struct QEMUOption {
4316 const char *name;
4317 int flags;
4318 int index;
4319} QEMUOption;
4320
blueswir1dbed7e42008-10-01 19:38:09 +00004321static const QEMUOption qemu_options[] = {
bellardcd6f1162004-05-13 22:02:20 +00004322 { "h", 0, QEMU_OPTION_h },
blueswir15824d652009-03-28 06:44:27 +00004323#define DEF(option, opt_arg, opt_enum, opt_help) \
4324 { option, opt_arg, opt_enum },
4325#define DEFHEADING(text)
4326#include "qemu-options.h"
4327#undef DEF
4328#undef DEFHEADING
4329#undef GEN_DOCS
bellardcd6f1162004-05-13 22:02:20 +00004330 { NULL },
bellardfc01f7e2003-06-30 10:03:06 +00004331};
4332
bellard1d14ffa2005-10-30 18:58:22 +00004333#ifdef HAS_AUDIO
bellard6a36d842005-12-18 20:34:32 +00004334struct soundhw soundhw[] = {
balrogb00052e2007-04-30 02:22:06 +00004335#ifdef HAS_AUDIO_CHOICE
aurel324ce7ff62008-04-07 19:47:14 +00004336#if defined(TARGET_I386) || defined(TARGET_MIPS)
bellardfd06c372006-04-24 21:58:30 +00004337 {
4338 "pcspk",
4339 "PC speaker",
4340 0,
4341 1,
4342 { .init_isa = pcspk_audio_init }
4343 },
4344#endif
malc4c9b53e2009-01-09 10:46:34 +00004345
4346#ifdef CONFIG_SB16
bellard6a36d842005-12-18 20:34:32 +00004347 {
4348 "sb16",
4349 "Creative Sound Blaster 16",
4350 0,
4351 1,
4352 { .init_isa = SB16_init }
4353 },
malc4c9b53e2009-01-09 10:46:34 +00004354#endif
bellard6a36d842005-12-18 20:34:32 +00004355
malccc53d262008-06-13 10:48:22 +00004356#ifdef CONFIG_CS4231A
4357 {
4358 "cs4231a",
4359 "CS4231A",
4360 0,
4361 1,
4362 { .init_isa = cs4231a_init }
4363 },
4364#endif
4365
bellard6a36d842005-12-18 20:34:32 +00004366#ifdef CONFIG_ADLIB
4367 {
4368 "adlib",
4369#ifdef HAS_YMF262
4370 "Yamaha YMF262 (OPL3)",
4371#else
4372 "Yamaha YM3812 (OPL2)",
4373#endif
4374 0,
4375 1,
4376 { .init_isa = Adlib_init }
4377 },
4378#endif
4379
4380#ifdef CONFIG_GUS
4381 {
4382 "gus",
4383 "Gravis Ultrasound GF1",
4384 0,
4385 1,
4386 { .init_isa = GUS_init }
4387 },
4388#endif
4389
malc4c9b53e2009-01-09 10:46:34 +00004390#ifdef CONFIG_AC97
balroge5c9a132008-01-14 04:27:55 +00004391 {
4392 "ac97",
4393 "Intel 82801AA AC97 Audio",
4394 0,
4395 0,
4396 { .init_pci = ac97_init }
4397 },
malc4c9b53e2009-01-09 10:46:34 +00004398#endif
balroge5c9a132008-01-14 04:27:55 +00004399
malc4c9b53e2009-01-09 10:46:34 +00004400#ifdef CONFIG_ES1370
bellard6a36d842005-12-18 20:34:32 +00004401 {
4402 "es1370",
4403 "ENSONIQ AudioPCI ES1370",
4404 0,
4405 0,
4406 { .init_pci = es1370_init }
4407 },
balrogb00052e2007-04-30 02:22:06 +00004408#endif
bellard6a36d842005-12-18 20:34:32 +00004409
malc4c9b53e2009-01-09 10:46:34 +00004410#endif /* HAS_AUDIO_CHOICE */
4411
bellard6a36d842005-12-18 20:34:32 +00004412 { NULL, NULL, 0, 0, { NULL } }
4413};
4414
bellard1d14ffa2005-10-30 18:58:22 +00004415static void select_soundhw (const char *optarg)
4416{
bellard6a36d842005-12-18 20:34:32 +00004417 struct soundhw *c;
4418
bellard1d14ffa2005-10-30 18:58:22 +00004419 if (*optarg == '?') {
4420 show_valid_cards:
bellard6a36d842005-12-18 20:34:32 +00004421
bellard1d14ffa2005-10-30 18:58:22 +00004422 printf ("Valid sound card names (comma separated):\n");
bellard6a36d842005-12-18 20:34:32 +00004423 for (c = soundhw; c->name; ++c) {
4424 printf ("%-11s %s\n", c->name, c->descr);
4425 }
4426 printf ("\n-soundhw all will enable all of the above\n");
bellard1d14ffa2005-10-30 18:58:22 +00004427 exit (*optarg != '?');
4428 }
4429 else {
bellard6a36d842005-12-18 20:34:32 +00004430 size_t l;
bellard1d14ffa2005-10-30 18:58:22 +00004431 const char *p;
4432 char *e;
4433 int bad_card = 0;
4434
bellard6a36d842005-12-18 20:34:32 +00004435 if (!strcmp (optarg, "all")) {
4436 for (c = soundhw; c->name; ++c) {
4437 c->enabled = 1;
4438 }
4439 return;
4440 }
bellard1d14ffa2005-10-30 18:58:22 +00004441
bellard6a36d842005-12-18 20:34:32 +00004442 p = optarg;
bellard1d14ffa2005-10-30 18:58:22 +00004443 while (*p) {
4444 e = strchr (p, ',');
4445 l = !e ? strlen (p) : (size_t) (e - p);
bellard6a36d842005-12-18 20:34:32 +00004446
4447 for (c = soundhw; c->name; ++c) {
malcb3d6fb42009-09-06 06:49:03 +04004448 if (!strncmp (c->name, p, l) && !c->name[l]) {
bellard6a36d842005-12-18 20:34:32 +00004449 c->enabled = 1;
bellard1d14ffa2005-10-30 18:58:22 +00004450 break;
4451 }
4452 }
bellard6a36d842005-12-18 20:34:32 +00004453
4454 if (!c->name) {
bellard1d14ffa2005-10-30 18:58:22 +00004455 if (l > 80) {
4456 fprintf (stderr,
4457 "Unknown sound card name (too big to show)\n");
4458 }
4459 else {
4460 fprintf (stderr, "Unknown sound card name `%.*s'\n",
4461 (int) l, p);
4462 }
4463 bad_card = 1;
4464 }
4465 p += l + (e != NULL);
4466 }
4467
4468 if (bad_card)
4469 goto show_valid_cards;
4470 }
4471}
4472#endif
4473
malc3893c122008-09-28 00:42:05 +00004474static void select_vgahw (const char *p)
4475{
4476 const char *opts;
4477
Zachary Amsden86176752009-07-30 00:15:02 -10004478 vga_interface_type = VGA_NONE;
malc3893c122008-09-28 00:42:05 +00004479 if (strstart(p, "std", &opts)) {
Zachary Amsden86176752009-07-30 00:15:02 -10004480 vga_interface_type = VGA_STD;
malc3893c122008-09-28 00:42:05 +00004481 } else if (strstart(p, "cirrus", &opts)) {
Zachary Amsden86176752009-07-30 00:15:02 -10004482 vga_interface_type = VGA_CIRRUS;
malc3893c122008-09-28 00:42:05 +00004483 } else if (strstart(p, "vmware", &opts)) {
Zachary Amsden86176752009-07-30 00:15:02 -10004484 vga_interface_type = VGA_VMWARE;
aliguori94909d92009-04-22 15:19:53 +00004485 } else if (strstart(p, "xenfb", &opts)) {
Zachary Amsden86176752009-07-30 00:15:02 -10004486 vga_interface_type = VGA_XENFB;
aliguori28b85ed2009-04-22 15:19:48 +00004487 } else if (!strstart(p, "none", &opts)) {
malc3893c122008-09-28 00:42:05 +00004488 invalid_vga:
4489 fprintf(stderr, "Unknown vga type: %s\n", p);
4490 exit(1);
4491 }
malccb5a7aa2008-09-28 00:42:12 +00004492 while (*opts) {
4493 const char *nextopt;
4494
4495 if (strstart(opts, ",retrace=", &nextopt)) {
4496 opts = nextopt;
4497 if (strstart(opts, "dumb", &nextopt))
4498 vga_retrace_method = VGA_RETRACE_DUMB;
4499 else if (strstart(opts, "precise", &nextopt))
4500 vga_retrace_method = VGA_RETRACE_PRECISE;
4501 else goto invalid_vga;
4502 } else goto invalid_vga;
4503 opts = nextopt;
4504 }
malc3893c122008-09-28 00:42:05 +00004505}
4506
Markus Armbruster7d4c3d52009-06-26 19:15:14 +02004507#ifdef TARGET_I386
4508static int balloon_parse(const char *arg)
4509{
Gerd Hoffmann382f0742009-08-14 10:34:22 +02004510 QemuOpts *opts;
Markus Armbruster7d4c3d52009-06-26 19:15:14 +02004511
Gerd Hoffmann382f0742009-08-14 10:34:22 +02004512 if (strcmp(arg, "none") == 0) {
4513 return 0;
Markus Armbruster7d4c3d52009-06-26 19:15:14 +02004514 }
Gerd Hoffmann382f0742009-08-14 10:34:22 +02004515
4516 if (!strncmp(arg, "virtio", 6)) {
4517 if (arg[6] == ',') {
4518 /* have params -> parse them */
4519 opts = qemu_opts_parse(&qemu_device_opts, arg+7, NULL);
4520 if (!opts)
4521 return -1;
4522 } else {
4523 /* create empty opts */
4524 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
4525 }
4526 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
4527 return 0;
4528 }
4529
4530 return -1;
Markus Armbruster7d4c3d52009-06-26 19:15:14 +02004531}
4532#endif
4533
bellard3587d7e2006-06-26 20:03:44 +00004534#ifdef _WIN32
4535static BOOL WINAPI qemu_ctrl_handler(DWORD type)
4536{
4537 exit(STATUS_CONTROL_C_EXIT);
4538 return TRUE;
4539}
4540#endif
4541
aliguoric4be29f2009-04-17 18:58:14 +00004542int qemu_uuid_parse(const char *str, uint8_t *uuid)
blueswir18fcb1b92008-09-18 18:29:08 +00004543{
4544 int ret;
4545
4546 if(strlen(str) != 36)
4547 return -1;
4548
4549 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
4550 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
4551 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
4552
4553 if(ret != 16)
4554 return -1;
4555
aliguorib6f6e3d2009-04-17 18:59:56 +00004556#ifdef TARGET_I386
4557 smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
4558#endif
4559
blueswir18fcb1b92008-09-18 18:29:08 +00004560 return 0;
4561}
4562
bellard7c9d8e02005-11-15 22:16:05 +00004563#define MAX_NET_CLIENTS 32
bellardc20709a2004-04-21 23:27:19 +00004564
aliguori5b08fc12008-08-21 20:08:03 +00004565#ifndef _WIN32
4566
4567static void termsig_handler(int signal)
4568{
4569 qemu_system_shutdown_request();
4570}
4571
Jan Kiszka7c3370d2009-05-08 12:34:17 +02004572static void sigchld_handler(int signal)
4573{
4574 waitpid(-1, NULL, WNOHANG);
4575}
4576
4577static void sighandler_setup(void)
aliguori5b08fc12008-08-21 20:08:03 +00004578{
4579 struct sigaction act;
4580
4581 memset(&act, 0, sizeof(act));
4582 act.sa_handler = termsig_handler;
4583 sigaction(SIGINT, &act, NULL);
4584 sigaction(SIGHUP, &act, NULL);
4585 sigaction(SIGTERM, &act, NULL);
Jan Kiszka7c3370d2009-05-08 12:34:17 +02004586
4587 act.sa_handler = sigchld_handler;
4588 act.sa_flags = SA_NOCLDSTOP;
4589 sigaction(SIGCHLD, &act, NULL);
aliguori5b08fc12008-08-21 20:08:03 +00004590}
4591
4592#endif
4593
Paul Brook5cea8592009-05-30 00:52:44 +01004594#ifdef _WIN32
4595/* Look for support files in the same directory as the executable. */
4596static char *find_datadir(const char *argv0)
4597{
4598 char *p;
4599 char buf[MAX_PATH];
4600 DWORD len;
4601
4602 len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
4603 if (len == 0) {
Blue Swirlc5947802009-06-09 20:51:21 +03004604 return NULL;
Paul Brook5cea8592009-05-30 00:52:44 +01004605 }
4606
4607 buf[len] = 0;
4608 p = buf + len - 1;
4609 while (p != buf && *p != '\\')
4610 p--;
4611 *p = 0;
4612 if (access(buf, R_OK) == 0) {
4613 return qemu_strdup(buf);
4614 }
4615 return NULL;
4616}
4617#else /* !_WIN32 */
4618
4619/* Find a likely location for support files using the location of the binary.
4620 For installed binaries this will be "$bindir/../share/qemu". When
4621 running from the build tree this will be "$bindir/../pc-bios". */
4622#define SHARE_SUFFIX "/share/qemu"
4623#define BUILD_SUFFIX "/pc-bios"
4624static char *find_datadir(const char *argv0)
4625{
4626 char *dir;
4627 char *p = NULL;
4628 char *res;
Paul Brook5cea8592009-05-30 00:52:44 +01004629 char buf[PATH_MAX];
Blue Swirl3a417592009-06-09 19:12:21 +00004630 size_t max_len;
Paul Brook5cea8592009-05-30 00:52:44 +01004631
4632#if defined(__linux__)
4633 {
4634 int len;
4635 len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
4636 if (len > 0) {
4637 buf[len] = 0;
4638 p = buf;
4639 }
4640 }
4641#elif defined(__FreeBSD__)
4642 {
4643 int len;
4644 len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1);
4645 if (len > 0) {
4646 buf[len] = 0;
4647 p = buf;
4648 }
4649 }
4650#endif
4651 /* If we don't have any way of figuring out the actual executable
4652 location then try argv[0]. */
4653 if (!p) {
Jean-Christophe DUBOIS4d224192009-09-02 23:59:02 +02004654 p = realpath(argv0, buf);
Paul Brook5cea8592009-05-30 00:52:44 +01004655 if (!p) {
4656 return NULL;
4657 }
4658 }
4659 dir = dirname(p);
4660 dir = dirname(dir);
4661
Blue Swirl3a417592009-06-09 19:12:21 +00004662 max_len = strlen(dir) +
4663 MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
4664 res = qemu_mallocz(max_len);
4665 snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
Paul Brook5cea8592009-05-30 00:52:44 +01004666 if (access(res, R_OK)) {
Blue Swirl3a417592009-06-09 19:12:21 +00004667 snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
Paul Brook5cea8592009-05-30 00:52:44 +01004668 if (access(res, R_OK)) {
4669 qemu_free(res);
4670 res = NULL;
4671 }
4672 }
Jean-Christophe DUBOIS4d224192009-09-02 23:59:02 +02004673
Paul Brook5cea8592009-05-30 00:52:44 +01004674 return res;
4675}
4676#undef SHARE_SUFFIX
4677#undef BUILD_SUFFIX
4678#endif
4679
4680char *qemu_find_file(int type, const char *name)
4681{
4682 int len;
4683 const char *subdir;
4684 char *buf;
4685
4686 /* If name contains path separators then try it as a straight path. */
4687 if ((strchr(name, '/') || strchr(name, '\\'))
4688 && access(name, R_OK) == 0) {
Jean-Christophe DUBOIS73ffc802009-09-02 23:59:06 +02004689 return qemu_strdup(name);
Paul Brook5cea8592009-05-30 00:52:44 +01004690 }
4691 switch (type) {
4692 case QEMU_FILE_TYPE_BIOS:
4693 subdir = "";
4694 break;
4695 case QEMU_FILE_TYPE_KEYMAP:
4696 subdir = "keymaps/";
4697 break;
4698 default:
4699 abort();
4700 }
4701 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
4702 buf = qemu_mallocz(len);
Blue Swirl3a417592009-06-09 19:12:21 +00004703 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
Paul Brook5cea8592009-05-30 00:52:44 +01004704 if (access(buf, R_OK)) {
4705 qemu_free(buf);
4706 return NULL;
4707 }
4708 return buf;
4709}
4710
Gerd Hoffmannf31d07d2009-07-31 12:25:37 +02004711static int device_init_func(QemuOpts *opts, void *opaque)
4712{
4713 DeviceState *dev;
4714
4715 dev = qdev_device_add(opts);
4716 if (!dev)
4717 return -1;
4718 return 0;
4719}
4720
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02004721struct device_config {
4722 enum {
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02004723 DEV_USB, /* -usbdevice */
4724 DEV_BT, /* -bt */
4725 } type;
4726 const char *cmdline;
4727 TAILQ_ENTRY(device_config) next;
4728};
4729TAILQ_HEAD(, device_config) device_configs = TAILQ_HEAD_INITIALIZER(device_configs);
4730
4731static void add_device_config(int type, const char *cmdline)
4732{
4733 struct device_config *conf;
4734
4735 conf = qemu_mallocz(sizeof(*conf));
4736 conf->type = type;
4737 conf->cmdline = cmdline;
4738 TAILQ_INSERT_TAIL(&device_configs, conf, next);
4739}
4740
4741static int foreach_device_config(int type, int (*func)(const char *cmdline))
4742{
4743 struct device_config *conf;
4744 int rc;
4745
4746 TAILQ_FOREACH(conf, &device_configs, next) {
4747 if (conf->type != type)
4748 continue;
4749 rc = func(conf->cmdline);
4750 if (0 != rc)
4751 return rc;
4752 }
4753 return 0;
4754}
4755
malc902b3d52008-12-10 19:18:40 +00004756int main(int argc, char **argv, char **envp)
bellard0824d6f2003-06-24 13:42:40 +00004757{
aliguori59030a82009-04-05 18:43:41 +00004758 const char *gdbstub_dev = NULL;
j_mayer28c5af52007-11-11 01:50:45 +00004759 uint32_t boot_devices_bitmap = 0;
thse4bcb142007-12-02 04:51:10 +00004760 int i;
j_mayer28c5af52007-11-11 01:50:45 +00004761 int snapshot, linux_boot, net_boot;
bellard7f7f9872003-10-30 01:11:23 +00004762 const char *initrd_filename;
bellarda20dd502003-09-30 21:07:02 +00004763 const char *kernel_filename, *kernel_cmdline;
Jan Kiszkaef3adf62009-07-02 00:19:02 +02004764 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
aliguori3023f332009-01-16 19:04:14 +00004765 DisplayState *ds;
aliguori7d957bd2009-01-15 22:14:11 +00004766 DisplayChangeListener *dcl;
bellard46d47672004-11-16 01:45:27 +00004767 int cyls, heads, secs, translation;
pbrookfd5f3932008-03-26 20:55:43 +00004768 const char *net_clients[MAX_NET_CLIENTS];
bellard7c9d8e02005-11-15 22:16:05 +00004769 int nb_net_clients;
Gerd Hoffmannf31d07d2009-07-31 12:25:37 +02004770 QemuOpts *hda_opts = NULL, *opts;
bellardcd6f1162004-05-13 22:02:20 +00004771 int optind;
4772 const char *r, *optarg;
Jan Kiszkaddd9bbd2009-08-27 19:51:16 +02004773 CharDriverState *monitor_hds[MAX_MONITOR_DEVICES];
4774 const char *monitor_devices[MAX_MONITOR_DEVICES];
4775 int monitor_device_index;
pbrookfd5f3932008-03-26 20:55:43 +00004776 const char *serial_devices[MAX_SERIAL_PORTS];
bellard8d11df92004-08-24 21:13:40 +00004777 int serial_device_index;
pbrookfd5f3932008-03-26 20:55:43 +00004778 const char *parallel_devices[MAX_PARALLEL_PORTS];
bellard6508fe52005-01-15 12:02:56 +00004779 int parallel_device_index;
aliguori9ede2fd2009-01-15 20:05:25 +00004780 const char *virtio_consoles[MAX_VIRTIO_CONSOLES];
4781 int virtio_console_index;
bellardd63d3072004-10-03 13:29:03 +00004782 const char *loadvm = NULL;
bellardcc1daa42005-06-05 14:49:17 +00004783 QEMUMachine *machine;
j_mayer94fc95c2007-03-05 19:44:02 +00004784 const char *cpu_model;
blueswir1b9e82a52009-04-05 18:03:31 +00004785#ifndef _WIN32
ths71e3ceb2006-12-22 02:11:31 +00004786 int fds[2];
blueswir1b9e82a52009-04-05 18:03:31 +00004787#endif
bellard26a5f132008-05-28 12:30:31 +00004788 int tb_size;
ths93815bc2007-03-19 15:58:31 +00004789 const char *pid_file = NULL;
aliguori5bb79102008-10-13 03:12:02 +00004790 const char *incoming = NULL;
blueswir1b9e82a52009-04-05 18:03:31 +00004791#ifndef _WIN32
aliguori54042bc2009-02-27 22:16:47 +00004792 int fd = 0;
4793 struct passwd *pwd = NULL;
aliguori08585322009-02-27 22:09:45 +00004794 const char *chroot_dir = NULL;
4795 const char *run_as = NULL;
blueswir1b9e82a52009-04-05 18:03:31 +00004796#endif
aliguori268a3622009-04-21 22:30:27 +00004797 CPUState *env;
Anthony Liguori993fbfd2009-05-21 16:54:00 -05004798 int show_vnc_port = 0;
bellard0bd48852005-11-11 00:00:47 +00004799
Gerd Hoffmannac7531e2009-08-14 10:36:06 +02004800 qemu_errors_to_file(stderr);
malc902b3d52008-12-10 19:18:40 +00004801 qemu_cache_utils_init(envp);
4802
bellard0bd48852005-11-11 00:00:47 +00004803 LIST_INIT (&vm_change_state_head);
bellardbe995c22006-06-25 16:25:21 +00004804#ifndef _WIN32
4805 {
4806 struct sigaction act;
4807 sigfillset(&act.sa_mask);
4808 act.sa_flags = 0;
4809 act.sa_handler = SIG_IGN;
4810 sigaction(SIGPIPE, &act, NULL);
4811 }
bellard3587d7e2006-06-26 20:03:44 +00004812#else
4813 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
bellarda8e5ac32006-07-14 09:36:13 +00004814 /* Note: cpu_interrupt() is currently not SMP safe, so we force
4815 QEMU to run on a single CPU */
4816 {
4817 HANDLE h;
4818 DWORD mask, smask;
4819 int i;
4820 h = GetCurrentProcess();
4821 if (GetProcessAffinityMask(h, &mask, &smask)) {
4822 for(i = 0; i < 32; i++) {
4823 if (mask & (1 << i))
4824 break;
4825 }
4826 if (i != 32) {
4827 mask = 1 << i;
4828 SetProcessAffinityMask(h, mask);
4829 }
4830 }
4831 }
bellard67b915a2004-03-31 23:37:16 +00004832#endif
bellardbe995c22006-06-25 16:25:21 +00004833
Anthony Liguorif80f9ec2009-05-20 18:38:09 -05004834 module_call_init(MODULE_INIT_MACHINE);
Anthony Liguori0c257432009-05-21 20:41:01 -05004835 machine = find_default_machine();
j_mayer94fc95c2007-03-05 19:44:02 +00004836 cpu_model = NULL;
bellardfc01f7e2003-06-30 10:03:06 +00004837 initrd_filename = NULL;
aurel324fc5d072008-04-27 21:39:40 +00004838 ram_size = 0;
bellard33e39632003-07-06 17:15:21 +00004839 snapshot = 0;
bellarda20dd502003-09-30 21:07:02 +00004840 kernel_filename = NULL;
4841 kernel_cmdline = "";
bellardc4b1fcc2004-03-14 21:44:30 +00004842 cyls = heads = secs = 0;
bellard46d47672004-11-16 01:45:27 +00004843 translation = BIOS_ATA_TRANSLATION_AUTO;
bellardc4b1fcc2004-03-14 21:44:30 +00004844
aurel32c75a8232008-05-04 00:50:34 +00004845 serial_devices[0] = "vc:80Cx24C";
bellard8d11df92004-08-24 21:13:40 +00004846 for(i = 1; i < MAX_SERIAL_PORTS; i++)
pbrookfd5f3932008-03-26 20:55:43 +00004847 serial_devices[i] = NULL;
bellard8d11df92004-08-24 21:13:40 +00004848 serial_device_index = 0;
ths3b46e622007-09-17 08:09:54 +00004849
aliguori8290edd2009-02-27 20:14:29 +00004850 parallel_devices[0] = "vc:80Cx24C";
bellard6508fe52005-01-15 12:02:56 +00004851 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
pbrookfd5f3932008-03-26 20:55:43 +00004852 parallel_devices[i] = NULL;
bellard6508fe52005-01-15 12:02:56 +00004853 parallel_device_index = 0;
ths3b46e622007-09-17 08:09:54 +00004854
aliguori1b8fc812009-02-27 20:01:39 +00004855 for(i = 0; i < MAX_VIRTIO_CONSOLES; i++)
aliguori9ede2fd2009-01-15 20:05:25 +00004856 virtio_consoles[i] = NULL;
4857 virtio_console_index = 0;
4858
Jan Kiszkaddd9bbd2009-08-27 19:51:16 +02004859 monitor_devices[0] = "vc:80Cx24C";
4860 for (i = 1; i < MAX_MONITOR_DEVICES; i++) {
4861 monitor_devices[i] = NULL;
4862 }
4863 monitor_device_index = 0;
4864
aliguori268a3622009-04-21 22:30:27 +00004865 for (i = 0; i < MAX_NODES; i++) {
4866 node_mem[i] = 0;
4867 node_cpumask[i] = 0;
4868 }
4869
bellard7c9d8e02005-11-15 22:16:05 +00004870 nb_net_clients = 0;
aliguori268a3622009-04-21 22:30:27 +00004871 nb_numa_nodes = 0;
bellard7c9d8e02005-11-15 22:16:05 +00004872 nb_nics = 0;
ths3b46e622007-09-17 08:09:54 +00004873
bellard26a5f132008-05-28 12:30:31 +00004874 tb_size = 0;
blueswir141bd6392008-10-05 09:56:21 +00004875 autostart= 1;
4876
bellardcd6f1162004-05-13 22:02:20 +00004877 optind = 1;
bellard0824d6f2003-06-24 13:42:40 +00004878 for(;;) {
bellardcd6f1162004-05-13 22:02:20 +00004879 if (optind >= argc)
bellard0824d6f2003-06-24 13:42:40 +00004880 break;
bellardcd6f1162004-05-13 22:02:20 +00004881 r = argv[optind];
4882 if (r[0] != '-') {
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02004883 hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
bellardcd6f1162004-05-13 22:02:20 +00004884 } else {
4885 const QEMUOption *popt;
4886
4887 optind++;
pbrookdff5efc2007-01-27 17:19:39 +00004888 /* Treat --foo the same as -foo. */
4889 if (r[1] == '-')
4890 r++;
bellardcd6f1162004-05-13 22:02:20 +00004891 popt = qemu_options;
4892 for(;;) {
4893 if (!popt->name) {
ths5fafdf22007-09-16 21:08:06 +00004894 fprintf(stderr, "%s: invalid option -- '%s'\n",
bellardcd6f1162004-05-13 22:02:20 +00004895 argv[0], r);
4896 exit(1);
4897 }
4898 if (!strcmp(popt->name, r + 1))
4899 break;
4900 popt++;
4901 }
4902 if (popt->flags & HAS_ARG) {
4903 if (optind >= argc) {
4904 fprintf(stderr, "%s: option '%s' requires an argument\n",
4905 argv[0], r);
4906 exit(1);
4907 }
4908 optarg = argv[optind++];
4909 } else {
4910 optarg = NULL;
4911 }
4912
4913 switch(popt->index) {
bellardcc1daa42005-06-05 14:49:17 +00004914 case QEMU_OPTION_M:
4915 machine = find_machine(optarg);
4916 if (!machine) {
4917 QEMUMachine *m;
4918 printf("Supported machines are:\n");
4919 for(m = first_machine; m != NULL; m = m->next) {
Mark McLoughlin3f6599e2009-07-22 10:02:50 +01004920 if (m->alias)
4921 printf("%-10s %s (alias of %s)\n",
4922 m->alias, m->desc, m->name);
bellardcc1daa42005-06-05 14:49:17 +00004923 printf("%-10s %s%s\n",
ths5fafdf22007-09-16 21:08:06 +00004924 m->name, m->desc,
Anthony Liguori0c257432009-05-21 20:41:01 -05004925 m->is_default ? " (default)" : "");
bellardcc1daa42005-06-05 14:49:17 +00004926 }
ths15f82202007-06-29 23:26:08 +00004927 exit(*optarg != '?');
bellardcc1daa42005-06-05 14:49:17 +00004928 }
4929 break;
j_mayer94fc95c2007-03-05 19:44:02 +00004930 case QEMU_OPTION_cpu:
4931 /* hw initialization will check this */
ths15f82202007-06-29 23:26:08 +00004932 if (*optarg == '?') {
j_mayerc732abe2007-10-12 06:47:46 +00004933/* XXX: implement xxx_cpu_list for targets that still miss it */
4934#if defined(cpu_list)
4935 cpu_list(stdout, &fprintf);
j_mayer94fc95c2007-03-05 19:44:02 +00004936#endif
ths15f82202007-06-29 23:26:08 +00004937 exit(0);
j_mayer94fc95c2007-03-05 19:44:02 +00004938 } else {
4939 cpu_model = optarg;
4940 }
4941 break;
bellardcd6f1162004-05-13 22:02:20 +00004942 case QEMU_OPTION_initrd:
bellardfc01f7e2003-06-30 10:03:06 +00004943 initrd_filename = optarg;
4944 break;
bellardcd6f1162004-05-13 22:02:20 +00004945 case QEMU_OPTION_hda:
thse4bcb142007-12-02 04:51:10 +00004946 if (cyls == 0)
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02004947 hda_opts = drive_add(optarg, HD_ALIAS, 0);
thse4bcb142007-12-02 04:51:10 +00004948 else
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02004949 hda_opts = drive_add(optarg, HD_ALIAS
thse4bcb142007-12-02 04:51:10 +00004950 ",cyls=%d,heads=%d,secs=%d%s",
balrog609497a2008-01-14 02:56:53 +00004951 0, cyls, heads, secs,
thse4bcb142007-12-02 04:51:10 +00004952 translation == BIOS_ATA_TRANSLATION_LBA ?
4953 ",trans=lba" :
4954 translation == BIOS_ATA_TRANSLATION_NONE ?
4955 ",trans=none" : "");
4956 break;
bellardcd6f1162004-05-13 22:02:20 +00004957 case QEMU_OPTION_hdb:
bellardcc1daa42005-06-05 14:49:17 +00004958 case QEMU_OPTION_hdc:
4959 case QEMU_OPTION_hdd:
balrog609497a2008-01-14 02:56:53 +00004960 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
bellardfc01f7e2003-06-30 10:03:06 +00004961 break;
thse4bcb142007-12-02 04:51:10 +00004962 case QEMU_OPTION_drive:
balrog609497a2008-01-14 02:56:53 +00004963 drive_add(NULL, "%s", optarg);
thse4bcb142007-12-02 04:51:10 +00004964 break;
Gerd Hoffmannd058fe02009-07-31 12:25:36 +02004965 case QEMU_OPTION_set:
4966 if (qemu_set_option(optarg) != 0)
4967 exit(1);
4968 break;
balrog3e3d5812007-04-30 02:09:25 +00004969 case QEMU_OPTION_mtdblock:
balrog609497a2008-01-14 02:56:53 +00004970 drive_add(optarg, MTD_ALIAS);
balrog3e3d5812007-04-30 02:09:25 +00004971 break;
pbrooka1bb27b2007-04-06 16:49:48 +00004972 case QEMU_OPTION_sd:
balrog609497a2008-01-14 02:56:53 +00004973 drive_add(optarg, SD_ALIAS);
pbrooka1bb27b2007-04-06 16:49:48 +00004974 break;
j_mayer86f55662007-04-24 06:52:59 +00004975 case QEMU_OPTION_pflash:
balrog609497a2008-01-14 02:56:53 +00004976 drive_add(optarg, PFLASH_ALIAS);
j_mayer86f55662007-04-24 06:52:59 +00004977 break;
bellardcd6f1162004-05-13 22:02:20 +00004978 case QEMU_OPTION_snapshot:
bellard33e39632003-07-06 17:15:21 +00004979 snapshot = 1;
4980 break;
bellardcd6f1162004-05-13 22:02:20 +00004981 case QEMU_OPTION_hdachs:
bellard330d0412003-07-26 18:11:40 +00004982 {
bellard330d0412003-07-26 18:11:40 +00004983 const char *p;
4984 p = optarg;
4985 cyls = strtol(p, (char **)&p, 0);
bellard46d47672004-11-16 01:45:27 +00004986 if (cyls < 1 || cyls > 16383)
4987 goto chs_fail;
bellard330d0412003-07-26 18:11:40 +00004988 if (*p != ',')
4989 goto chs_fail;
4990 p++;
4991 heads = strtol(p, (char **)&p, 0);
bellard46d47672004-11-16 01:45:27 +00004992 if (heads < 1 || heads > 16)
4993 goto chs_fail;
bellard330d0412003-07-26 18:11:40 +00004994 if (*p != ',')
4995 goto chs_fail;
4996 p++;
4997 secs = strtol(p, (char **)&p, 0);
bellard46d47672004-11-16 01:45:27 +00004998 if (secs < 1 || secs > 63)
4999 goto chs_fail;
5000 if (*p == ',') {
5001 p++;
5002 if (!strcmp(p, "none"))
5003 translation = BIOS_ATA_TRANSLATION_NONE;
5004 else if (!strcmp(p, "lba"))
5005 translation = BIOS_ATA_TRANSLATION_LBA;
5006 else if (!strcmp(p, "auto"))
5007 translation = BIOS_ATA_TRANSLATION_AUTO;
5008 else
5009 goto chs_fail;
5010 } else if (*p != '\0') {
bellardc4b1fcc2004-03-14 21:44:30 +00005011 chs_fail:
bellard46d47672004-11-16 01:45:27 +00005012 fprintf(stderr, "qemu: invalid physical CHS format\n");
5013 exit(1);
bellardc4b1fcc2004-03-14 21:44:30 +00005014 }
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02005015 if (hda_opts != NULL) {
5016 char num[16];
5017 snprintf(num, sizeof(num), "%d", cyls);
5018 qemu_opt_set(hda_opts, "cyls", num);
5019 snprintf(num, sizeof(num), "%d", heads);
5020 qemu_opt_set(hda_opts, "heads", num);
5021 snprintf(num, sizeof(num), "%d", secs);
5022 qemu_opt_set(hda_opts, "secs", num);
5023 if (translation == BIOS_ATA_TRANSLATION_LBA)
5024 qemu_opt_set(hda_opts, "trans", "lba");
5025 if (translation == BIOS_ATA_TRANSLATION_NONE)
5026 qemu_opt_set(hda_opts, "trans", "none");
5027 }
bellard330d0412003-07-26 18:11:40 +00005028 }
5029 break;
aliguori268a3622009-04-21 22:30:27 +00005030 case QEMU_OPTION_numa:
5031 if (nb_numa_nodes >= MAX_NODES) {
5032 fprintf(stderr, "qemu: too many NUMA nodes\n");
5033 exit(1);
5034 }
5035 numa_add(optarg);
5036 break;
bellardcd6f1162004-05-13 22:02:20 +00005037 case QEMU_OPTION_nographic:
Anthony Liguori993fbfd2009-05-21 16:54:00 -05005038 display_type = DT_NOGRAPHIC;
bellarda20dd502003-09-30 21:07:02 +00005039 break;
balrog4d3b6f62008-02-10 16:33:14 +00005040#ifdef CONFIG_CURSES
5041 case QEMU_OPTION_curses:
Anthony Liguori993fbfd2009-05-21 16:54:00 -05005042 display_type = DT_CURSES;
balrog4d3b6f62008-02-10 16:33:14 +00005043 break;
5044#endif
balroga171fe32007-04-30 01:48:07 +00005045 case QEMU_OPTION_portrait:
5046 graphic_rotate = 1;
5047 break;
bellardcd6f1162004-05-13 22:02:20 +00005048 case QEMU_OPTION_kernel:
bellarda20dd502003-09-30 21:07:02 +00005049 kernel_filename = optarg;
5050 break;
bellardcd6f1162004-05-13 22:02:20 +00005051 case QEMU_OPTION_append:
bellarda20dd502003-09-30 21:07:02 +00005052 kernel_cmdline = optarg;
bellard313aa562003-08-10 21:52:11 +00005053 break;
bellardcd6f1162004-05-13 22:02:20 +00005054 case QEMU_OPTION_cdrom:
balrog609497a2008-01-14 02:56:53 +00005055 drive_add(optarg, CDROM_ALIAS);
bellard36b486b2003-11-11 13:36:08 +00005056 break;
bellardcd6f1162004-05-13 22:02:20 +00005057 case QEMU_OPTION_boot:
j_mayer28c5af52007-11-11 01:50:45 +00005058 {
Jan Kiszkaef3adf62009-07-02 00:19:02 +02005059 static const char * const params[] = {
Jan Kiszka95387492009-07-02 00:19:02 +02005060 "order", "once", "menu", NULL
Jan Kiszkaef3adf62009-07-02 00:19:02 +02005061 };
5062 char buf[sizeof(boot_devices)];
Jan Kiszkae0f084b2009-07-02 00:19:02 +02005063 char *standard_boot_devices;
Jan Kiszkaef3adf62009-07-02 00:19:02 +02005064 int legacy = 0;
5065
5066 if (!strchr(optarg, '=')) {
5067 legacy = 1;
5068 pstrcpy(buf, sizeof(buf), optarg);
5069 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
5070 fprintf(stderr,
5071 "qemu: unknown boot parameter '%s' in '%s'\n",
5072 buf, optarg);
5073 exit(1);
5074 }
5075
5076 if (legacy ||
5077 get_param_value(buf, sizeof(buf), "order", optarg)) {
5078 boot_devices_bitmap = parse_bootdevices(buf);
5079 pstrcpy(boot_devices, sizeof(boot_devices), buf);
j_mayer28c5af52007-11-11 01:50:45 +00005080 }
Jan Kiszkae0f084b2009-07-02 00:19:02 +02005081 if (!legacy) {
5082 if (get_param_value(buf, sizeof(buf),
5083 "once", optarg)) {
5084 boot_devices_bitmap |= parse_bootdevices(buf);
5085 standard_boot_devices = qemu_strdup(boot_devices);
5086 pstrcpy(boot_devices, sizeof(boot_devices), buf);
5087 qemu_register_reset(restore_boot_devices,
5088 standard_boot_devices);
5089 }
Jan Kiszka95387492009-07-02 00:19:02 +02005090 if (get_param_value(buf, sizeof(buf),
5091 "menu", optarg)) {
5092 if (!strcmp(buf, "on")) {
5093 boot_menu = 1;
5094 } else if (!strcmp(buf, "off")) {
5095 boot_menu = 0;
5096 } else {
5097 fprintf(stderr,
5098 "qemu: invalid option value '%s'\n",
5099 buf);
5100 exit(1);
5101 }
5102 }
Jan Kiszkae0f084b2009-07-02 00:19:02 +02005103 }
bellard36b486b2003-11-11 13:36:08 +00005104 }
5105 break;
bellardcd6f1162004-05-13 22:02:20 +00005106 case QEMU_OPTION_fda:
bellardcd6f1162004-05-13 22:02:20 +00005107 case QEMU_OPTION_fdb:
balrog609497a2008-01-14 02:56:53 +00005108 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
bellardc45886d2004-01-05 00:02:06 +00005109 break;
bellard52ca8d62006-06-14 16:03:05 +00005110#ifdef TARGET_I386
5111 case QEMU_OPTION_no_fd_bootchk:
5112 fd_bootchk = 0;
5113 break;
5114#endif
bellard7c9d8e02005-11-15 22:16:05 +00005115 case QEMU_OPTION_net:
5116 if (nb_net_clients >= MAX_NET_CLIENTS) {
5117 fprintf(stderr, "qemu: too many network clients\n");
bellardc4b1fcc2004-03-14 21:44:30 +00005118 exit(1);
5119 }
pbrookfd5f3932008-03-26 20:55:43 +00005120 net_clients[nb_net_clients] = optarg;
bellard7c9d8e02005-11-15 22:16:05 +00005121 nb_net_clients++;
bellard702c6512004-04-02 21:21:32 +00005122 break;
bellardc7f74642004-08-24 21:57:12 +00005123#ifdef CONFIG_SLIRP
5124 case QEMU_OPTION_tftp:
Jan Kiszkaad196a92009-06-24 14:42:28 +02005125 legacy_tftp_prefix = optarg;
bellard9bf05442004-08-25 22:12:49 +00005126 break;
ths47d5d012007-02-20 00:05:08 +00005127 case QEMU_OPTION_bootp:
Jan Kiszkaad196a92009-06-24 14:42:28 +02005128 legacy_bootp_filename = optarg;
ths47d5d012007-02-20 00:05:08 +00005129 break;
bellardc94c8d62004-09-13 21:37:34 +00005130#ifndef _WIN32
bellard9d728e82004-09-05 23:09:03 +00005131 case QEMU_OPTION_smb:
Jan Kiszkaad196a92009-06-24 14:42:28 +02005132 net_slirp_smb(optarg);
bellard9d728e82004-09-05 23:09:03 +00005133 break;
bellardc94c8d62004-09-13 21:37:34 +00005134#endif
bellard9bf05442004-08-25 22:12:49 +00005135 case QEMU_OPTION_redir:
Jan Kiszkaf3546de2009-06-24 14:42:28 +02005136 net_slirp_redir(optarg);
bellard9bf05442004-08-25 22:12:49 +00005137 break;
bellardc7f74642004-08-24 21:57:12 +00005138#endif
balrogdc72ac12008-11-09 00:04:26 +00005139 case QEMU_OPTION_bt:
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02005140 add_device_config(DEV_BT, optarg);
balrogdc72ac12008-11-09 00:04:26 +00005141 break;
bellard1d14ffa2005-10-30 18:58:22 +00005142#ifdef HAS_AUDIO
bellard1d14ffa2005-10-30 18:58:22 +00005143 case QEMU_OPTION_audio_help:
5144 AUD_help ();
5145 exit (0);
5146 break;
5147 case QEMU_OPTION_soundhw:
5148 select_soundhw (optarg);
5149 break;
5150#endif
bellardcd6f1162004-05-13 22:02:20 +00005151 case QEMU_OPTION_h:
ths15f82202007-06-29 23:26:08 +00005152 help(0);
bellardcd6f1162004-05-13 22:02:20 +00005153 break;
pbrook9bd7e6d2009-04-07 22:58:45 +00005154 case QEMU_OPTION_version:
5155 version();
5156 exit(0);
5157 break;
aurel3200f82b82008-04-27 21:12:55 +00005158 case QEMU_OPTION_m: {
5159 uint64_t value;
5160 char *ptr;
5161
5162 value = strtoul(optarg, &ptr, 10);
5163 switch (*ptr) {
5164 case 0: case 'M': case 'm':
5165 value <<= 20;
5166 break;
5167 case 'G': case 'g':
5168 value <<= 30;
5169 break;
5170 default:
5171 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
bellardcd6f1162004-05-13 22:02:20 +00005172 exit(1);
5173 }
aurel3200f82b82008-04-27 21:12:55 +00005174
5175 /* On 32-bit hosts, QEMU is limited by virtual address space */
Anthony Liguori4a1418e2009-08-10 17:07:24 -05005176 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
aurel3200f82b82008-04-27 21:12:55 +00005177 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
5178 exit(1);
5179 }
5180 if (value != (uint64_t)(ram_addr_t)value) {
5181 fprintf(stderr, "qemu: ram size too large\n");
5182 exit(1);
5183 }
5184 ram_size = value;
bellardcd6f1162004-05-13 22:02:20 +00005185 break;
aurel3200f82b82008-04-27 21:12:55 +00005186 }
bellardcd6f1162004-05-13 22:02:20 +00005187 case QEMU_OPTION_d:
5188 {
5189 int mask;
blueswir1c7cd6a32008-10-02 18:27:46 +00005190 const CPULogItem *item;
ths3b46e622007-09-17 08:09:54 +00005191
bellardcd6f1162004-05-13 22:02:20 +00005192 mask = cpu_str_to_log_mask(optarg);
5193 if (!mask) {
5194 printf("Log items (comma separated):\n");
bellardf193c792004-03-21 17:06:25 +00005195 for(item = cpu_log_items; item->mask != 0; item++) {
5196 printf("%-10s %s\n", item->name, item->help);
5197 }
5198 exit(1);
bellardcd6f1162004-05-13 22:02:20 +00005199 }
5200 cpu_set_log(mask);
bellardf193c792004-03-21 17:06:25 +00005201 }
bellardcd6f1162004-05-13 22:02:20 +00005202 break;
bellardcd6f1162004-05-13 22:02:20 +00005203 case QEMU_OPTION_s:
aliguori59030a82009-04-05 18:43:41 +00005204 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
bellardcd6f1162004-05-13 22:02:20 +00005205 break;
aliguori59030a82009-04-05 18:43:41 +00005206 case QEMU_OPTION_gdb:
5207 gdbstub_dev = optarg;
bellardcd6f1162004-05-13 22:02:20 +00005208 break;
bellardcd6f1162004-05-13 22:02:20 +00005209 case QEMU_OPTION_L:
Paul Brook5cea8592009-05-30 00:52:44 +01005210 data_dir = optarg;
bellardcd6f1162004-05-13 22:02:20 +00005211 break;
j_mayer1192dad2007-10-05 13:08:35 +00005212 case QEMU_OPTION_bios:
5213 bios_name = optarg;
5214 break;
aurel321b530a62009-04-05 20:08:59 +00005215 case QEMU_OPTION_singlestep:
5216 singlestep = 1;
5217 break;
bellardcd6f1162004-05-13 22:02:20 +00005218 case QEMU_OPTION_S:
pbrook3c07f8e2007-01-21 16:47:01 +00005219 autostart = 0;
bellardcd6f1162004-05-13 22:02:20 +00005220 break;
blueswir15824d652009-03-28 06:44:27 +00005221#ifndef _WIN32
bellard3d11d0e2004-12-12 16:56:30 +00005222 case QEMU_OPTION_k:
5223 keyboard_layout = optarg;
5224 break;
blueswir15824d652009-03-28 06:44:27 +00005225#endif
bellardee22c2f2004-06-03 12:49:50 +00005226 case QEMU_OPTION_localtime:
5227 rtc_utc = 0;
5228 break;
malc3893c122008-09-28 00:42:05 +00005229 case QEMU_OPTION_vga:
5230 select_vgahw (optarg);
bellard1bfe8562004-07-08 21:17:50 +00005231 break;
blueswir15824d652009-03-28 06:44:27 +00005232#if defined(TARGET_PPC) || defined(TARGET_SPARC)
bellarde9b137c2004-06-21 16:46:10 +00005233 case QEMU_OPTION_g:
5234 {
5235 const char *p;
5236 int w, h, depth;
5237 p = optarg;
5238 w = strtol(p, (char **)&p, 10);
5239 if (w <= 0) {
5240 graphic_error:
5241 fprintf(stderr, "qemu: invalid resolution or depth\n");
5242 exit(1);
5243 }
5244 if (*p != 'x')
5245 goto graphic_error;
5246 p++;
5247 h = strtol(p, (char **)&p, 10);
5248 if (h <= 0)
5249 goto graphic_error;
5250 if (*p == 'x') {
5251 p++;
5252 depth = strtol(p, (char **)&p, 10);
ths5fafdf22007-09-16 21:08:06 +00005253 if (depth != 8 && depth != 15 && depth != 16 &&
bellarde9b137c2004-06-21 16:46:10 +00005254 depth != 24 && depth != 32)
5255 goto graphic_error;
5256 } else if (*p == '\0') {
5257 depth = graphic_depth;
5258 } else {
5259 goto graphic_error;
5260 }
ths3b46e622007-09-17 08:09:54 +00005261
bellarde9b137c2004-06-21 16:46:10 +00005262 graphic_width = w;
5263 graphic_height = h;
5264 graphic_depth = depth;
5265 }
5266 break;
blueswir15824d652009-03-28 06:44:27 +00005267#endif
ths20d8a3e2007-02-18 17:04:49 +00005268 case QEMU_OPTION_echr:
5269 {
5270 char *r;
5271 term_escape_char = strtol(optarg, &r, 0);
5272 if (r == optarg)
5273 printf("Bad argument to echr\n");
5274 break;
5275 }
bellard82c643f2004-07-14 17:28:13 +00005276 case QEMU_OPTION_monitor:
Jan Kiszkaddd9bbd2009-08-27 19:51:16 +02005277 if (monitor_device_index >= MAX_MONITOR_DEVICES) {
5278 fprintf(stderr, "qemu: too many monitor devices\n");
5279 exit(1);
5280 }
5281 monitor_devices[monitor_device_index] = optarg;
5282 monitor_device_index++;
bellard82c643f2004-07-14 17:28:13 +00005283 break;
Gerd Hoffmann191bc012009-09-10 10:58:35 +02005284 case QEMU_OPTION_chardev:
5285 opts = qemu_opts_parse(&qemu_chardev_opts, optarg, "backend");
5286 if (!opts) {
5287 fprintf(stderr, "parse error: %s\n", optarg);
5288 exit(1);
5289 }
5290 if (NULL == qemu_chr_open_opts(opts, NULL)) {
5291 exit(1);
5292 }
5293 break;
bellard82c643f2004-07-14 17:28:13 +00005294 case QEMU_OPTION_serial:
bellard8d11df92004-08-24 21:13:40 +00005295 if (serial_device_index >= MAX_SERIAL_PORTS) {
5296 fprintf(stderr, "qemu: too many serial ports\n");
5297 exit(1);
5298 }
pbrookfd5f3932008-03-26 20:55:43 +00005299 serial_devices[serial_device_index] = optarg;
bellard8d11df92004-08-24 21:13:40 +00005300 serial_device_index++;
bellard82c643f2004-07-14 17:28:13 +00005301 break;
Richard W.M. Jones9dd986c2009-04-25 13:56:19 +01005302 case QEMU_OPTION_watchdog:
Markus Armbruster09aaa162009-08-21 10:31:34 +02005303 if (watchdog) {
5304 fprintf(stderr,
5305 "qemu: only one watchdog option may be given\n");
5306 return 1;
5307 }
5308 watchdog = optarg;
Richard W.M. Jones9dd986c2009-04-25 13:56:19 +01005309 break;
5310 case QEMU_OPTION_watchdog_action:
5311 if (select_watchdog_action(optarg) == -1) {
5312 fprintf(stderr, "Unknown -watchdog-action parameter\n");
5313 exit(1);
5314 }
5315 break;
aliguori51ecf132009-01-15 20:06:40 +00005316 case QEMU_OPTION_virtiocon:
5317 if (virtio_console_index >= MAX_VIRTIO_CONSOLES) {
5318 fprintf(stderr, "qemu: too many virtio consoles\n");
5319 exit(1);
5320 }
5321 virtio_consoles[virtio_console_index] = optarg;
5322 virtio_console_index++;
5323 break;
bellard6508fe52005-01-15 12:02:56 +00005324 case QEMU_OPTION_parallel:
5325 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
5326 fprintf(stderr, "qemu: too many parallel ports\n");
5327 exit(1);
5328 }
pbrookfd5f3932008-03-26 20:55:43 +00005329 parallel_devices[parallel_device_index] = optarg;
bellard6508fe52005-01-15 12:02:56 +00005330 parallel_device_index++;
5331 break;
bellardd63d3072004-10-03 13:29:03 +00005332 case QEMU_OPTION_loadvm:
5333 loadvm = optarg;
5334 break;
5335 case QEMU_OPTION_full_screen:
5336 full_screen = 1;
5337 break;
ths667acca2006-12-11 02:08:05 +00005338#ifdef CONFIG_SDL
ths43523e92007-02-18 18:19:32 +00005339 case QEMU_OPTION_no_frame:
5340 no_frame = 1;
5341 break;
ths3780e192007-06-21 21:08:02 +00005342 case QEMU_OPTION_alt_grab:
5343 alt_grab = 1;
5344 break;
ths667acca2006-12-11 02:08:05 +00005345 case QEMU_OPTION_no_quit:
5346 no_quit = 1;
5347 break;
aliguori7d957bd2009-01-15 22:14:11 +00005348 case QEMU_OPTION_sdl:
Anthony Liguori993fbfd2009-05-21 16:54:00 -05005349 display_type = DT_SDL;
aliguori7d957bd2009-01-15 22:14:11 +00005350 break;
ths667acca2006-12-11 02:08:05 +00005351#endif
bellardf7cce892004-12-08 22:21:25 +00005352 case QEMU_OPTION_pidfile:
ths93815bc2007-03-19 15:58:31 +00005353 pid_file = optarg;
bellardf7cce892004-12-08 22:21:25 +00005354 break;
bellarda09db212005-04-30 16:10:35 +00005355#ifdef TARGET_I386
5356 case QEMU_OPTION_win2k_hack:
5357 win2k_install_hack = 1;
5358 break;
aliguori73822ec2009-01-15 20:11:34 +00005359 case QEMU_OPTION_rtc_td_hack:
5360 rtc_td_hack = 1;
5361 break;
aliguori8a92ea22009-02-27 20:12:36 +00005362 case QEMU_OPTION_acpitable:
5363 if(acpi_table_add(optarg) < 0) {
5364 fprintf(stderr, "Wrong acpi table provided\n");
5365 exit(1);
5366 }
5367 break;
aliguorib6f6e3d2009-04-17 18:59:56 +00005368 case QEMU_OPTION_smbios:
5369 if(smbios_entry_add(optarg) < 0) {
5370 fprintf(stderr, "Wrong smbios provided\n");
5371 exit(1);
5372 }
5373 break;
bellarda09db212005-04-30 16:10:35 +00005374#endif
aliguori7ba1e612008-11-05 16:04:33 +00005375#ifdef CONFIG_KVM
5376 case QEMU_OPTION_enable_kvm:
5377 kvm_allowed = 1;
aliguori7ba1e612008-11-05 16:04:33 +00005378 break;
5379#endif
bellardbb36d472005-11-05 14:22:28 +00005380 case QEMU_OPTION_usb:
5381 usb_enabled = 1;
5382 break;
bellarda594cfb2005-11-06 16:13:29 +00005383 case QEMU_OPTION_usbdevice:
5384 usb_enabled = 1;
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02005385 add_device_config(DEV_USB, optarg);
5386 break;
5387 case QEMU_OPTION_device:
Gerd Hoffmannf31d07d2009-07-31 12:25:37 +02005388 opts = qemu_opts_parse(&qemu_device_opts, optarg, "driver");
5389 if (!opts) {
5390 fprintf(stderr, "parse error: %s\n", optarg);
5391 exit(1);
5392 }
bellarda594cfb2005-11-06 16:13:29 +00005393 break;
bellard6a00d602005-11-21 23:25:50 +00005394 case QEMU_OPTION_smp:
Andre Przywaradc6b1c02009-08-19 15:42:40 +02005395 smp_parse(optarg);
aliguorib2097002008-10-07 20:39:39 +00005396 if (smp_cpus < 1) {
bellard6a00d602005-11-21 23:25:50 +00005397 fprintf(stderr, "Invalid number of CPUs\n");
5398 exit(1);
5399 }
Jes Sorensen6be68d72009-07-23 17:03:42 +02005400 if (max_cpus < smp_cpus) {
5401 fprintf(stderr, "maxcpus must be equal to or greater than "
5402 "smp\n");
5403 exit(1);
5404 }
5405 if (max_cpus > 255) {
5406 fprintf(stderr, "Unsupported number of maxcpus\n");
5407 exit(1);
5408 }
bellard6a00d602005-11-21 23:25:50 +00005409 break;
bellard24236862006-04-30 21:28:36 +00005410 case QEMU_OPTION_vnc:
Anthony Liguori993fbfd2009-05-21 16:54:00 -05005411 display_type = DT_VNC;
ths73fc9742006-12-22 02:09:07 +00005412 vnc_display = optarg;
bellard24236862006-04-30 21:28:36 +00005413 break;
blueswir15824d652009-03-28 06:44:27 +00005414#ifdef TARGET_I386
bellard6515b202006-05-03 22:02:44 +00005415 case QEMU_OPTION_no_acpi:
5416 acpi_enabled = 0;
5417 break;
aliguori16b29ae2008-12-17 23:28:44 +00005418 case QEMU_OPTION_no_hpet:
5419 no_hpet = 1;
5420 break;
Markus Armbruster7d4c3d52009-06-26 19:15:14 +02005421 case QEMU_OPTION_balloon:
5422 if (balloon_parse(optarg) < 0) {
5423 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
5424 exit(1);
5425 }
Eduardo Habkostdf97b922009-06-10 16:34:08 -03005426 break;
blueswir15824d652009-03-28 06:44:27 +00005427#endif
bellardd1beab82006-10-02 19:44:22 +00005428 case QEMU_OPTION_no_reboot:
5429 no_reboot = 1;
5430 break;
aurel32b2f76162008-04-11 21:35:52 +00005431 case QEMU_OPTION_no_shutdown:
5432 no_shutdown = 1;
5433 break;
balrog9467cd42007-05-01 01:34:14 +00005434 case QEMU_OPTION_show_cursor:
5435 cursor_hide = 0;
5436 break;
blueswir18fcb1b92008-09-18 18:29:08 +00005437 case QEMU_OPTION_uuid:
5438 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
5439 fprintf(stderr, "Fail to parse UUID string."
5440 " Wrong format.\n");
5441 exit(1);
5442 }
5443 break;
blueswir15824d652009-03-28 06:44:27 +00005444#ifndef _WIN32
ths71e3ceb2006-12-22 02:11:31 +00005445 case QEMU_OPTION_daemonize:
5446 daemonize = 1;
5447 break;
blueswir15824d652009-03-28 06:44:27 +00005448#endif
ths9ae02552007-01-05 17:39:04 +00005449 case QEMU_OPTION_option_rom:
5450 if (nb_option_roms >= MAX_OPTION_ROMS) {
5451 fprintf(stderr, "Too many option ROMs\n");
5452 exit(1);
5453 }
5454 option_rom[nb_option_roms] = optarg;
5455 nb_option_roms++;
5456 break;
blueswir15824d652009-03-28 06:44:27 +00005457#if defined(TARGET_ARM) || defined(TARGET_M68K)
pbrook8e716212007-01-20 17:12:09 +00005458 case QEMU_OPTION_semihosting:
5459 semihosting_enabled = 1;
5460 break;
blueswir15824d652009-03-28 06:44:27 +00005461#endif
thsc35734b2007-03-19 15:17:08 +00005462 case QEMU_OPTION_name:
Andi Kleen18894652009-07-02 09:34:17 +02005463 qemu_name = qemu_strdup(optarg);
5464 {
5465 char *p = strchr(qemu_name, ',');
5466 if (p != NULL) {
5467 *p++ = 0;
5468 if (strncmp(p, "process=", 8)) {
5469 fprintf(stderr, "Unknown subargument %s to -name", p);
5470 exit(1);
5471 }
5472 p += 8;
5473 set_proc_name(p);
5474 }
5475 }
thsc35734b2007-03-19 15:17:08 +00005476 break;
blueswir195efd112008-12-24 20:26:14 +00005477#if defined(TARGET_SPARC) || defined(TARGET_PPC)
blueswir166508602007-05-01 14:16:52 +00005478 case QEMU_OPTION_prom_env:
5479 if (nb_prom_envs >= MAX_PROM_ENVS) {
5480 fprintf(stderr, "Too many prom variables\n");
5481 exit(1);
5482 }
5483 prom_envs[nb_prom_envs] = optarg;
5484 nb_prom_envs++;
5485 break;
5486#endif
balrog2b8f2d42007-07-27 22:08:46 +00005487#ifdef TARGET_ARM
5488 case QEMU_OPTION_old_param:
5489 old_param = 1;
ths05ebd532008-01-08 19:32:16 +00005490 break;
balrog2b8f2d42007-07-27 22:08:46 +00005491#endif
thsf3dcfad2007-08-24 01:26:02 +00005492 case QEMU_OPTION_clock:
5493 configure_alarms(optarg);
5494 break;
bellard7e0af5d02007-11-07 16:24:33 +00005495 case QEMU_OPTION_startdate:
5496 {
5497 struct tm tm;
balrogf6503052008-02-17 11:42:19 +00005498 time_t rtc_start_date;
bellard7e0af5d02007-11-07 16:24:33 +00005499 if (!strcmp(optarg, "now")) {
balrogf6503052008-02-17 11:42:19 +00005500 rtc_date_offset = -1;
bellard7e0af5d02007-11-07 16:24:33 +00005501 } else {
5502 if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
5503 &tm.tm_year,
5504 &tm.tm_mon,
5505 &tm.tm_mday,
5506 &tm.tm_hour,
5507 &tm.tm_min,
5508 &tm.tm_sec) == 6) {
5509 /* OK */
5510 } else if (sscanf(optarg, "%d-%d-%d",
5511 &tm.tm_year,
5512 &tm.tm_mon,
5513 &tm.tm_mday) == 3) {
5514 tm.tm_hour = 0;
5515 tm.tm_min = 0;
5516 tm.tm_sec = 0;
5517 } else {
5518 goto date_fail;
5519 }
5520 tm.tm_year -= 1900;
5521 tm.tm_mon--;
bellard3c6b2082007-11-10 19:36:39 +00005522 rtc_start_date = mktimegm(&tm);
bellard7e0af5d02007-11-07 16:24:33 +00005523 if (rtc_start_date == -1) {
5524 date_fail:
5525 fprintf(stderr, "Invalid date format. Valid format are:\n"
5526 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5527 exit(1);
5528 }
balrogf6503052008-02-17 11:42:19 +00005529 rtc_date_offset = time(NULL) - rtc_start_date;
bellard7e0af5d02007-11-07 16:24:33 +00005530 }
5531 }
5532 break;
bellard26a5f132008-05-28 12:30:31 +00005533 case QEMU_OPTION_tb_size:
5534 tb_size = strtol(optarg, NULL, 0);
5535 if (tb_size < 0)
5536 tb_size = 0;
5537 break;
pbrook2e70f6e2008-06-29 01:03:05 +00005538 case QEMU_OPTION_icount:
5539 use_icount = 1;
5540 if (strcmp(optarg, "auto") == 0) {
5541 icount_time_shift = -1;
5542 } else {
5543 icount_time_shift = strtol(optarg, NULL, 0);
5544 }
5545 break;
aliguori5bb79102008-10-13 03:12:02 +00005546 case QEMU_OPTION_incoming:
5547 incoming = optarg;
5548 break;
blueswir15824d652009-03-28 06:44:27 +00005549#ifndef _WIN32
aliguori08585322009-02-27 22:09:45 +00005550 case QEMU_OPTION_chroot:
5551 chroot_dir = optarg;
5552 break;
5553 case QEMU_OPTION_runas:
5554 run_as = optarg;
5555 break;
blueswir15824d652009-03-28 06:44:27 +00005556#endif
aliguorie37630c2009-04-22 15:19:10 +00005557#ifdef CONFIG_XEN
5558 case QEMU_OPTION_xen_domid:
5559 xen_domid = atoi(optarg);
5560 break;
5561 case QEMU_OPTION_xen_create:
5562 xen_mode = XEN_CREATE;
5563 break;
5564 case QEMU_OPTION_xen_attach:
5565 xen_mode = XEN_ATTACH;
5566 break;
5567#endif
bellardcd6f1162004-05-13 22:02:20 +00005568 }
bellard0824d6f2003-06-24 13:42:40 +00005569 }
5570 }
bellard330d0412003-07-26 18:11:40 +00005571
Dustin Kirklande09a5262009-09-03 12:31:33 -05005572 if (kvm_enabled()) {
5573 int ret;
5574
5575 ret = kvm_init(smp_cpus);
5576 if (ret < 0) {
5577 fprintf(stderr, "failed to initialize KVM\n");
5578 exit(1);
5579 }
5580 }
5581
Paul Brook5cea8592009-05-30 00:52:44 +01005582 /* If no data_dir is specified then try to find it relative to the
5583 executable path. */
5584 if (!data_dir) {
5585 data_dir = find_datadir(argv[0]);
5586 }
5587 /* If all else fails use the install patch specified when building. */
5588 if (!data_dir) {
5589 data_dir = CONFIG_QEMU_SHAREDIR;
5590 }
5591
Jes Sorensen6be68d72009-07-23 17:03:42 +02005592 /*
5593 * Default to max_cpus = smp_cpus, in case the user doesn't
5594 * specify a max_cpus value.
5595 */
5596 if (!max_cpus)
5597 max_cpus = smp_cpus;
5598
balrog3d878ca2008-10-28 10:59:59 +00005599 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
aliguorib2097002008-10-07 20:39:39 +00005600 if (smp_cpus > machine->max_cpus) {
5601 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
5602 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
5603 machine->max_cpus);
5604 exit(1);
5605 }
5606
Anthony Liguori993fbfd2009-05-21 16:54:00 -05005607 if (display_type == DT_NOGRAPHIC) {
aliguoribc0129d2008-08-01 15:12:34 +00005608 if (serial_device_index == 0)
5609 serial_devices[0] = "stdio";
5610 if (parallel_device_index == 0)
5611 parallel_devices[0] = "null";
Jan Kiszkaddd9bbd2009-08-27 19:51:16 +02005612 if (strncmp(monitor_devices[0], "vc", 2) == 0) {
5613 monitor_devices[0] = "stdio";
5614 }
aliguoribc0129d2008-08-01 15:12:34 +00005615 }
5616
ths71e3ceb2006-12-22 02:11:31 +00005617#ifndef _WIN32
ths71e3ceb2006-12-22 02:11:31 +00005618 if (daemonize) {
5619 pid_t pid;
5620
5621 if (pipe(fds) == -1)
5622 exit(1);
5623
5624 pid = fork();
5625 if (pid > 0) {
5626 uint8_t status;
5627 ssize_t len;
5628
5629 close(fds[1]);
5630
5631 again:
ths93815bc2007-03-19 15:58:31 +00005632 len = read(fds[0], &status, 1);
5633 if (len == -1 && (errno == EINTR))
5634 goto again;
5635
5636 if (len != 1)
5637 exit(1);
5638 else if (status == 1) {
5639 fprintf(stderr, "Could not acquire pidfile\n");
5640 exit(1);
5641 } else
5642 exit(0);
ths71e3ceb2006-12-22 02:11:31 +00005643 } else if (pid < 0)
ths93815bc2007-03-19 15:58:31 +00005644 exit(1);
ths71e3ceb2006-12-22 02:11:31 +00005645
5646 setsid();
5647
5648 pid = fork();
5649 if (pid > 0)
5650 exit(0);
5651 else if (pid < 0)
5652 exit(1);
5653
5654 umask(027);
ths71e3ceb2006-12-22 02:11:31 +00005655
5656 signal(SIGTSTP, SIG_IGN);
5657 signal(SIGTTOU, SIG_IGN);
5658 signal(SIGTTIN, SIG_IGN);
5659 }
ths71e3ceb2006-12-22 02:11:31 +00005660
thsaa26bb22007-03-25 21:33:06 +00005661 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
ths93815bc2007-03-19 15:58:31 +00005662 if (daemonize) {
5663 uint8_t status = 1;
5664 write(fds[1], &status, 1);
5665 } else
5666 fprintf(stderr, "Could not acquire pid file\n");
5667 exit(1);
5668 }
blueswir1b9e82a52009-04-05 18:03:31 +00005669#endif
ths93815bc2007-03-19 15:58:31 +00005670
aliguori3fcf7b62009-04-24 18:03:25 +00005671 if (qemu_init_main_loop()) {
5672 fprintf(stderr, "qemu_init_main_loop failed\n");
5673 exit(1);
5674 }
bellarda20dd502003-09-30 21:07:02 +00005675 linux_boot = (kernel_filename != NULL);
balrog6c41b272007-11-17 12:12:29 +00005676
thsf8d39c02008-07-03 10:01:15 +00005677 if (!linux_boot && *kernel_cmdline != '\0') {
5678 fprintf(stderr, "-append only allowed with -kernel option\n");
5679 exit(1);
5680 }
5681
5682 if (!linux_boot && initrd_filename != NULL) {
5683 fprintf(stderr, "-initrd only allowed with -kernel option\n");
5684 exit(1);
5685 }
5686
Filip Navarabf65f532009-07-27 10:02:04 -05005687#ifndef _WIN32
5688 /* Win32 doesn't support line-buffering and requires size >= 2 */
bellardb118d612003-06-30 23:36:21 +00005689 setvbuf(stdout, NULL, _IOLBF, 0);
Filip Navarabf65f532009-07-27 10:02:04 -05005690#endif
ths3b46e622007-09-17 08:09:54 +00005691
pbrook634fce92006-07-15 17:40:09 +00005692 init_timers();
aliguori7183b4b2008-11-05 20:40:18 +00005693 if (init_timer_alarm() < 0) {
5694 fprintf(stderr, "could not initialize alarm timer\n");
5695 exit(1);
5696 }
pbrook2e70f6e2008-06-29 01:03:05 +00005697 if (use_icount && icount_time_shift < 0) {
5698 use_icount = 2;
5699 /* 125MIPS seems a reasonable initial guess at the guest speed.
5700 It will be corrected fairly quickly anyway. */
5701 icount_time_shift = 3;
5702 init_icount_adjust();
5703 }
pbrook634fce92006-07-15 17:40:09 +00005704
bellardfd1dff42006-02-01 21:29:26 +00005705#ifdef _WIN32
5706 socket_init();
5707#endif
5708
bellard7c9d8e02005-11-15 22:16:05 +00005709 /* init network clients */
5710 if (nb_net_clients == 0) {
5711 /* if no clients, we use a default config */
aliguorif441b282008-08-28 20:05:14 +00005712 net_clients[nb_net_clients++] = "nic";
5713#ifdef CONFIG_SLIRP
5714 net_clients[nb_net_clients++] = "user";
5715#endif
bellardc20709a2004-04-21 23:27:19 +00005716 }
5717
bellard7c9d8e02005-11-15 22:16:05 +00005718 for(i = 0;i < nb_net_clients; i++) {
balrog9ad97e62008-07-29 13:16:31 +00005719 if (net_client_parse(net_clients[i]) < 0)
bellard7c9d8e02005-11-15 22:16:05 +00005720 exit(1);
bellard702c6512004-04-02 21:21:32 +00005721 }
bellardf1510b22003-06-25 00:07:40 +00005722
Glauber Costa406c8df2009-06-17 09:05:30 -04005723 net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
5724 net_set_boot_mask(net_boot);
5725
5726 net_client_check();
thseec85c22007-01-05 17:41:07 +00005727
balrogdc72ac12008-11-09 00:04:26 +00005728 /* init the bluetooth world */
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02005729 if (foreach_device_config(DEV_BT, bt_parse))
5730 exit(1);
balrogdc72ac12008-11-09 00:04:26 +00005731
bellard0824d6f2003-06-24 13:42:40 +00005732 /* init the memory */
pbrook94a6b542009-04-11 17:15:54 +00005733 if (ram_size == 0)
5734 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
balrog7fb4fdc2008-04-24 17:59:27 +00005735
bellard26a5f132008-05-28 12:30:31 +00005736 /* init the dynamic translator */
5737 cpu_exec_init_all(tb_size * 1024 * 1024);
5738
bellard5905b2e2004-08-01 21:53:26 +00005739 bdrv_init();
thse4bcb142007-12-02 04:51:10 +00005740
5741 /* we always create the cdrom drive, even if no disk is there */
Gerd Hoffmann3b0ba922009-07-22 16:42:59 +02005742 drive_add(NULL, CDROM_ALIAS);
thse4bcb142007-12-02 04:51:10 +00005743
balrog9d413d12007-12-04 00:10:34 +00005744 /* we always create at least one floppy */
Gerd Hoffmann3b0ba922009-07-22 16:42:59 +02005745 drive_add(NULL, FD_ALIAS, 0);
bellardc4b1fcc2004-03-14 21:44:30 +00005746
balrog9d413d12007-12-04 00:10:34 +00005747 /* we always create one sd slot, even if no card is in it */
Gerd Hoffmann3b0ba922009-07-22 16:42:59 +02005748 drive_add(NULL, SD_ALIAS);
balrog9d413d12007-12-04 00:10:34 +00005749
ths96d30e42007-01-07 20:42:14 +00005750 /* open the virtual block devices */
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02005751 if (snapshot)
Gerd Hoffmann7282a032009-07-31 12:25:35 +02005752 qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
5753 if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0)
Gerd Hoffmann9dfd7c72009-07-22 16:43:04 +02005754 exit(1);
balrog3e3d5812007-04-30 02:09:25 +00005755
bellardc88676f2006-08-06 13:36:11 +00005756 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
aliguori475e4272008-10-06 20:21:51 +00005757 register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL);
bellard8a7ddc32004-03-31 19:00:16 +00005758
aliguori3023f332009-01-16 19:04:14 +00005759 /* Maintain compatibility with multiple stdio monitors */
Jan Kiszkaddd9bbd2009-08-27 19:51:16 +02005760 if (!strcmp(monitor_devices[0],"stdio")) {
aliguori3023f332009-01-16 19:04:14 +00005761 for (i = 0; i < MAX_SERIAL_PORTS; i++) {
5762 const char *devname = serial_devices[i];
5763 if (devname && !strcmp(devname,"mon:stdio")) {
Jan Kiszkaddd9bbd2009-08-27 19:51:16 +02005764 monitor_devices[0] = NULL;
aliguori3023f332009-01-16 19:04:14 +00005765 break;
5766 } else if (devname && !strcmp(devname,"stdio")) {
Jan Kiszkaddd9bbd2009-08-27 19:51:16 +02005767 monitor_devices[0] = NULL;
aliguori3023f332009-01-16 19:04:14 +00005768 serial_devices[i] = "mon:stdio";
5769 break;
5770 }
5771 }
5772 }
5773
aliguori268a3622009-04-21 22:30:27 +00005774 if (nb_numa_nodes > 0) {
5775 int i;
5776
5777 if (nb_numa_nodes > smp_cpus) {
5778 nb_numa_nodes = smp_cpus;
5779 }
5780
5781 /* If no memory size if given for any node, assume the default case
5782 * and distribute the available memory equally across all nodes
5783 */
5784 for (i = 0; i < nb_numa_nodes; i++) {
5785 if (node_mem[i] != 0)
5786 break;
5787 }
5788 if (i == nb_numa_nodes) {
5789 uint64_t usedmem = 0;
5790
5791 /* On Linux, the each node's border has to be 8MB aligned,
5792 * the final node gets the rest.
5793 */
5794 for (i = 0; i < nb_numa_nodes - 1; i++) {
5795 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
5796 usedmem += node_mem[i];
5797 }
5798 node_mem[i] = ram_size - usedmem;
5799 }
5800
5801 for (i = 0; i < nb_numa_nodes; i++) {
5802 if (node_cpumask[i] != 0)
5803 break;
5804 }
5805 /* assigning the VCPUs round-robin is easier to implement, guest OSes
5806 * must cope with this anyway, because there are BIOSes out there in
5807 * real machines which also use this scheme.
5808 */
5809 if (i == nb_numa_nodes) {
5810 for (i = 0; i < smp_cpus; i++) {
5811 node_cpumask[i % nb_numa_nodes] |= 1 << i;
5812 }
5813 }
5814 }
5815
Jan Kiszkaddd9bbd2009-08-27 19:51:16 +02005816 for (i = 0; i < MAX_MONITOR_DEVICES; i++) {
5817 const char *devname = monitor_devices[i];
5818 if (devname && strcmp(devname, "none")) {
5819 char label[32];
5820 if (i == 0) {
5821 snprintf(label, sizeof(label), "monitor");
5822 } else {
5823 snprintf(label, sizeof(label), "monitor%d", i);
5824 }
5825 monitor_hds[i] = qemu_chr_open(label, devname, NULL);
5826 if (!monitor_hds[i]) {
5827 fprintf(stderr, "qemu: could not open monitor device '%s'\n",
5828 devname);
5829 exit(1);
5830 }
aliguori4c621802009-01-16 21:48:20 +00005831 }
5832 }
5833
aliguori2796dae2009-01-16 20:23:27 +00005834 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
5835 const char *devname = serial_devices[i];
5836 if (devname && strcmp(devname, "none")) {
5837 char label[32];
5838 snprintf(label, sizeof(label), "serial%d", i);
aurel32ceecf1d2009-01-18 14:08:04 +00005839 serial_hds[i] = qemu_chr_open(label, devname, NULL);
aliguori2796dae2009-01-16 20:23:27 +00005840 if (!serial_hds[i]) {
5841 fprintf(stderr, "qemu: could not open serial device '%s'\n",
5842 devname);
5843 exit(1);
5844 }
5845 }
5846 }
5847
5848 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
5849 const char *devname = parallel_devices[i];
5850 if (devname && strcmp(devname, "none")) {
5851 char label[32];
5852 snprintf(label, sizeof(label), "parallel%d", i);
aurel32ceecf1d2009-01-18 14:08:04 +00005853 parallel_hds[i] = qemu_chr_open(label, devname, NULL);
aliguori2796dae2009-01-16 20:23:27 +00005854 if (!parallel_hds[i]) {
5855 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
5856 devname);
5857 exit(1);
5858 }
5859 }
5860 }
5861
5862 for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
5863 const char *devname = virtio_consoles[i];
5864 if (devname && strcmp(devname, "none")) {
5865 char label[32];
5866 snprintf(label, sizeof(label), "virtcon%d", i);
aurel32ceecf1d2009-01-18 14:08:04 +00005867 virtcon_hds[i] = qemu_chr_open(label, devname, NULL);
aliguori2796dae2009-01-16 20:23:27 +00005868 if (!virtcon_hds[i]) {
5869 fprintf(stderr, "qemu: could not open virtio console '%s'\n",
5870 devname);
5871 exit(1);
5872 }
5873 }
5874 }
5875
Paul Brookaae94602009-05-14 22:35:06 +01005876 module_call_init(MODULE_INIT_DEVICE);
5877
Markus Armbruster09aaa162009-08-21 10:31:34 +02005878 if (watchdog) {
5879 i = select_watchdog(watchdog);
5880 if (i > 0)
5881 exit (i == 1 ? 1 : 0);
5882 }
5883
Gerd Hoffmannb6b61142009-07-15 13:48:21 +02005884 if (machine->compat_props) {
5885 qdev_prop_register_compat(machine->compat_props);
5886 }
Paul Brookfbe1b592009-05-13 17:56:25 +01005887 machine->init(ram_size, boot_devices,
aliguori3023f332009-01-16 19:04:14 +00005888 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
5889
aliguori268a3622009-04-21 22:30:27 +00005890
Juan Quintela67b3b712009-08-28 19:25:15 +02005891#ifndef _WIN32
5892 /* must be after terminal init, SDL library changes signal handlers */
5893 sighandler_setup();
5894#endif
5895
aliguori268a3622009-04-21 22:30:27 +00005896 for (env = first_cpu; env != NULL; env = env->next_cpu) {
5897 for (i = 0; i < nb_numa_nodes; i++) {
5898 if (node_cpumask[i] & (1 << env->cpu_index)) {
5899 env->numa_node = i;
5900 }
5901 }
5902 }
5903
aliguori6f338c32009-02-11 15:21:54 +00005904 current_machine = machine;
5905
aliguori3023f332009-01-16 19:04:14 +00005906 /* init USB devices */
5907 if (usb_enabled) {
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02005908 foreach_device_config(DEV_USB, usb_parse);
aliguori3023f332009-01-16 19:04:14 +00005909 }
5910
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02005911 /* init generic devices */
Gerd Hoffmannf31d07d2009-07-31 12:25:37 +02005912 if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
Gerd Hoffmannbd3c9482009-07-15 13:59:26 +02005913 exit(1);
5914
aliguori8f391ab2009-01-19 16:34:10 +00005915 if (!display_state)
5916 dumb_display_init();
aliguori3023f332009-01-16 19:04:14 +00005917 /* just use the first displaystate for the moment */
5918 ds = display_state;
Anthony Liguori993fbfd2009-05-21 16:54:00 -05005919
5920 if (display_type == DT_DEFAULT) {
Anthony Liguorif92f8af2009-05-20 13:01:02 -05005921#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
Anthony Liguori993fbfd2009-05-21 16:54:00 -05005922 display_type = DT_SDL;
5923#else
5924 display_type = DT_VNC;
5925 vnc_display = "localhost:0,to=99";
5926 show_vnc_port = 1;
5927#endif
5928 }
5929
5930
5931 switch (display_type) {
5932 case DT_NOGRAPHIC:
5933 break;
5934#if defined(CONFIG_CURSES)
5935 case DT_CURSES:
5936 curses_display_init(ds, full_screen);
5937 break;
5938#endif
bellard5b0753e2005-03-01 21:37:28 +00005939#if defined(CONFIG_SDL)
Anthony Liguori993fbfd2009-05-21 16:54:00 -05005940 case DT_SDL:
5941 sdl_display_init(ds, full_screen, no_frame);
5942 break;
bellard5b0753e2005-03-01 21:37:28 +00005943#elif defined(CONFIG_COCOA)
Anthony Liguori993fbfd2009-05-21 16:54:00 -05005944 case DT_SDL:
5945 cocoa_display_init(ds, full_screen);
5946 break;
bellard313aa562003-08-10 21:52:11 +00005947#endif
Anthony Liguori993fbfd2009-05-21 16:54:00 -05005948 case DT_VNC:
5949 vnc_display_init(ds);
5950 if (vnc_display_open(ds, vnc_display) < 0)
5951 exit(1);
Anthony Liguorif92f8af2009-05-20 13:01:02 -05005952
Anthony Liguori993fbfd2009-05-21 16:54:00 -05005953 if (show_vnc_port) {
5954 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
Anthony Liguorif92f8af2009-05-20 13:01:02 -05005955 }
Anthony Liguori993fbfd2009-05-21 16:54:00 -05005956 break;
5957 default:
5958 break;
bellard313aa562003-08-10 21:52:11 +00005959 }
aliguori7d957bd2009-01-15 22:14:11 +00005960 dpy_resize(ds);
aliguori5b08fc12008-08-21 20:08:03 +00005961
aliguori3023f332009-01-16 19:04:14 +00005962 dcl = ds->listeners;
5963 while (dcl != NULL) {
5964 if (dcl->dpy_refresh != NULL) {
5965 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
5966 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
ths20d8a3e2007-02-18 17:04:49 +00005967 }
aliguori3023f332009-01-16 19:04:14 +00005968 dcl = dcl->next;
bellard82c643f2004-07-14 17:28:13 +00005969 }
aliguori3023f332009-01-16 19:04:14 +00005970
Anthony Liguori993fbfd2009-05-21 16:54:00 -05005971 if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
blueswir19043b622009-01-21 19:28:13 +00005972 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
5973 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
5974 }
5975
aliguori2796dae2009-01-16 20:23:27 +00005976 text_consoles_set_display(display_state);
aliguori2970a6c2009-03-05 22:59:58 +00005977 qemu_chr_initial_reset();
aliguori2796dae2009-01-16 20:23:27 +00005978
Jan Kiszkaddd9bbd2009-08-27 19:51:16 +02005979 for (i = 0; i < MAX_MONITOR_DEVICES; i++) {
5980 if (monitor_devices[i] && monitor_hds[i]) {
5981 monitor_init(monitor_hds[i],
5982 MONITOR_USE_READLINE |
5983 ((i == 0) ? MONITOR_IS_DEFAULT : 0));
5984 }
5985 }
bellard82c643f2004-07-14 17:28:13 +00005986
bellard8d11df92004-08-24 21:13:40 +00005987 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
bellardc03b0f02006-09-03 14:10:53 +00005988 const char *devname = serial_devices[i];
pbrookfd5f3932008-03-26 20:55:43 +00005989 if (devname && strcmp(devname, "none")) {
thsaf3a9032007-07-11 23:14:59 +00005990 if (strstart(devname, "vc", 0))
bellard7ba12602006-07-14 20:26:42 +00005991 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
bellard8d11df92004-08-24 21:13:40 +00005992 }
bellard82c643f2004-07-14 17:28:13 +00005993 }
bellard82c643f2004-07-14 17:28:13 +00005994
bellard6508fe52005-01-15 12:02:56 +00005995 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
bellardc03b0f02006-09-03 14:10:53 +00005996 const char *devname = parallel_devices[i];
pbrookfd5f3932008-03-26 20:55:43 +00005997 if (devname && strcmp(devname, "none")) {
thsaf3a9032007-07-11 23:14:59 +00005998 if (strstart(devname, "vc", 0))
bellard7ba12602006-07-14 20:26:42 +00005999 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
bellard6508fe52005-01-15 12:02:56 +00006000 }
6001 }
6002
aliguori9ede2fd2009-01-15 20:05:25 +00006003 for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
6004 const char *devname = virtio_consoles[i];
aliguori2796dae2009-01-16 20:23:27 +00006005 if (virtcon_hds[i] && devname) {
aliguori9ede2fd2009-01-15 20:05:25 +00006006 if (strstart(devname, "vc", 0))
6007 qemu_chr_printf(virtcon_hds[i], "virtio console%d\r\n", i);
6008 }
6009 }
6010
aliguori59030a82009-04-05 18:43:41 +00006011 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
6012 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
6013 gdbstub_dev);
6014 exit(1);
balrog45669e02007-07-02 13:20:17 +00006015 }
balrog45669e02007-07-02 13:20:17 +00006016
Juan Quintela05f24012009-08-20 19:42:22 +02006017 if (loadvm) {
6018 if (load_vmstate(cur_mon, loadvm) < 0) {
6019 autostart = 0;
6020 }
6021 }
bellardd63d3072004-10-03 13:29:03 +00006022
Glauber Costa2bb8c102009-07-24 16:20:23 -04006023 if (incoming) {
aliguori5bb79102008-10-13 03:12:02 +00006024 qemu_start_incoming_migration(incoming);
Avi Kivity6b99dad2009-08-09 14:39:20 +03006025 } else if (autostart) {
aliguoric0f4ce72009-03-05 23:01:01 +00006026 vm_start();
Avi Kivity6b99dad2009-08-09 14:39:20 +03006027 }
thsffd843b2006-12-21 19:46:43 +00006028
blueswir1b9e82a52009-04-05 18:03:31 +00006029#ifndef _WIN32
ths71e3ceb2006-12-22 02:11:31 +00006030 if (daemonize) {
6031 uint8_t status = 0;
6032 ssize_t len;
ths71e3ceb2006-12-22 02:11:31 +00006033
6034 again1:
6035 len = write(fds[1], &status, 1);
6036 if (len == -1 && (errno == EINTR))
6037 goto again1;
6038
6039 if (len != 1)
6040 exit(1);
6041
aliguoribd54b862008-07-23 00:58:33 +00006042 chdir("/");
balrogaeb30be2007-07-02 15:03:13 +00006043 TFR(fd = open("/dev/null", O_RDWR));
ths71e3ceb2006-12-22 02:11:31 +00006044 if (fd == -1)
6045 exit(1);
aliguori08585322009-02-27 22:09:45 +00006046 }
ths71e3ceb2006-12-22 02:11:31 +00006047
aliguori08585322009-02-27 22:09:45 +00006048 if (run_as) {
6049 pwd = getpwnam(run_as);
6050 if (!pwd) {
6051 fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
6052 exit(1);
6053 }
6054 }
ths71e3ceb2006-12-22 02:11:31 +00006055
aliguori08585322009-02-27 22:09:45 +00006056 if (chroot_dir) {
6057 if (chroot(chroot_dir) < 0) {
6058 fprintf(stderr, "chroot failed\n");
6059 exit(1);
6060 }
6061 chdir("/");
6062 }
6063
6064 if (run_as) {
6065 if (setgid(pwd->pw_gid) < 0) {
6066 fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
6067 exit(1);
6068 }
6069 if (setuid(pwd->pw_uid) < 0) {
6070 fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
6071 exit(1);
6072 }
6073 if (setuid(0) != -1) {
6074 fprintf(stderr, "Dropping privileges failed\n");
6075 exit(1);
6076 }
6077 }
aliguori08585322009-02-27 22:09:45 +00006078
6079 if (daemonize) {
6080 dup2(fd, 0);
6081 dup2(fd, 1);
6082 dup2(fd, 2);
6083
6084 close(fd);
ths71e3ceb2006-12-22 02:11:31 +00006085 }
blueswir1b9e82a52009-04-05 18:03:31 +00006086#endif
ths71e3ceb2006-12-22 02:11:31 +00006087
bellard8a7ddc32004-03-31 19:00:16 +00006088 main_loop();
bellard40c3bac2004-04-04 12:56:28 +00006089 quit_timers();
aliguori63a01ef2008-10-31 19:10:00 +00006090 net_cleanup();
thsb46a8902007-10-21 23:20:45 +00006091
bellard0824d6f2003-06-24 13:42:40 +00006092 return 0;
6093}