mips jz glue function
[qemu/qemu-JZ.git] / vl.c
blob959be628c9803d324191676d38ccab466837080c
1 /*
2 * QEMU System Emulator
4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
24 #include "hw/hw.h"
25 #include "hw/boards.h"
26 #include "hw/usb.h"
27 #include "hw/pcmcia.h"
28 #include "hw/pc.h"
29 #include "hw/audiodev.h"
30 #include "hw/isa.h"
31 #include "hw/baum.h"
32 #include "hw/bt.h"
33 #include "net.h"
34 #include "console.h"
35 #include "sysemu.h"
36 #include "gdbstub.h"
37 #include "qemu-timer.h"
38 #include "qemu-char.h"
39 #include "cache-utils.h"
40 #include "block.h"
41 #include "audio/audio.h"
42 #include "migration.h"
43 #include "kvm.h"
44 #include "balloon.h"
46 #include <unistd.h>
47 #include <fcntl.h>
48 #include <signal.h>
49 #include <time.h>
50 #include <errno.h>
51 #include <sys/time.h>
52 #include <zlib.h>
54 #ifndef _WIN32
55 #include <sys/times.h>
56 #include <sys/wait.h>
57 #include <termios.h>
58 #include <sys/mman.h>
59 #include <sys/ioctl.h>
60 #include <sys/resource.h>
61 #include <sys/socket.h>
62 #include <netinet/in.h>
63 #include <net/if.h>
64 #if defined(__NetBSD__)
65 #include <net/if_tap.h>
66 #endif
67 #ifdef __linux__
68 #include <linux/if_tun.h>
69 #endif
70 #include <arpa/inet.h>
71 #include <dirent.h>
72 #include <netdb.h>
73 #include <sys/select.h>
74 #ifdef _BSD
75 #include <sys/stat.h>
76 #ifdef __FreeBSD__
77 #include <libutil.h>
78 #else
79 #include <util.h>
80 #endif
81 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
82 #include <freebsd/stdlib.h>
83 #else
84 #ifdef __linux__
85 #include <pty.h>
86 #include <malloc.h>
87 #include <linux/rtc.h>
89 /* For the benefit of older linux systems which don't supply it,
90 we use a local copy of hpet.h. */
91 /* #include <linux/hpet.h> */
92 #include "hpet.h"
94 #include <linux/ppdev.h>
95 #include <linux/parport.h>
96 #endif
97 #ifdef __sun__
98 #include <sys/stat.h>
99 #include <sys/ethernet.h>
100 #include <sys/sockio.h>
101 #include <netinet/arp.h>
102 #include <netinet/in.h>
103 #include <netinet/in_systm.h>
104 #include <netinet/ip.h>
105 #include <netinet/ip_icmp.h> // must come after ip.h
106 #include <netinet/udp.h>
107 #include <netinet/tcp.h>
108 #include <net/if.h>
109 #include <syslog.h>
110 #include <stropts.h>
111 #endif
112 #endif
113 #endif
115 #include "qemu_socket.h"
117 #if defined(CONFIG_SLIRP)
118 #include "libslirp.h"
119 #endif
121 #if defined(__OpenBSD__)
122 #include <util.h>
123 #endif
125 #if defined(CONFIG_VDE)
126 #include <libvdeplug.h>
127 #endif
129 #ifdef _WIN32
130 #include <malloc.h>
131 #include <sys/timeb.h>
132 #include <mmsystem.h>
133 #define getopt_long_only getopt_long
134 #define memalign(align, size) malloc(size)
135 #endif
137 #ifdef CONFIG_SDL
138 #ifdef __APPLE__
139 #include <SDL/SDL.h>
140 #endif
141 #endif /* CONFIG_SDL */
143 #ifdef CONFIG_COCOA
144 #undef main
145 #define main qemu_main
146 #endif /* CONFIG_COCOA */
148 #include "disas.h"
150 #include "exec-all.h"
152 //#define DEBUG_UNUSED_IOPORT
153 //#define DEBUG_IOPORT
154 //#define DEBUG_NET
155 //#define DEBUG_SLIRP
157 #ifdef TARGET_PPC
158 #define DEFAULT_RAM_SIZE 144
159 #else
160 #define DEFAULT_RAM_SIZE 128
161 #endif
163 /* Max number of USB devices that can be specified on the commandline. */
164 #define MAX_USB_CMDLINE 8
166 /* Max number of bluetooth switches on the commandline. */
167 #define MAX_BT_CMDLINE 10
169 /* XXX: use a two level table to limit memory usage */
170 #define MAX_IOPORTS 65536
172 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
173 const char *bios_name = NULL;
174 static void *ioport_opaque[MAX_IOPORTS];
175 static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
176 static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
177 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
178 to store the VM snapshots */
179 DriveInfo drives_table[MAX_DRIVES+1];
180 int nb_drives;
181 static int vga_ram_size;
182 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
183 DisplayState display_state;
184 int nographic;
185 static int curses;
186 const char* keyboard_layout = NULL;
187 int64_t ticks_per_sec;
188 ram_addr_t ram_size;
189 int nb_nics;
190 NICInfo nd_table[MAX_NICS];
191 int vm_running;
192 static int rtc_utc = 1;
193 static int rtc_date_offset = -1; /* -1 means no change */
194 int cirrus_vga_enabled = 1;
195 int vmsvga_enabled = 0;
196 #ifdef TARGET_SPARC
197 int graphic_width = 1024;
198 int graphic_height = 768;
199 int graphic_depth = 8;
200 #else
201 int graphic_width = 800;
202 int graphic_height = 600;
203 int graphic_depth = 15;
204 #endif
205 static int full_screen = 0;
206 #ifdef CONFIG_SDL
207 static int no_frame = 0;
208 #endif
209 int no_quit = 0;
210 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
211 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
212 #ifdef TARGET_I386
213 int win2k_install_hack = 0;
214 #endif
215 int usb_enabled = 0;
216 int smp_cpus = 1;
217 const char *vnc_display;
218 int acpi_enabled = 1;
219 int no_hpet = 0;
220 int fd_bootchk = 1;
221 int no_reboot = 0;
222 int no_shutdown = 0;
223 int cursor_hide = 1;
224 int graphic_rotate = 0;
225 int daemonize = 0;
226 const char *option_rom[MAX_OPTION_ROMS];
227 int nb_option_roms;
228 int semihosting_enabled = 0;
229 #ifdef TARGET_ARM
230 int old_param = 0;
231 #endif
232 const char *qemu_name;
233 int alt_grab = 0;
234 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
235 unsigned int nb_prom_envs = 0;
236 const char *prom_envs[MAX_PROM_ENVS];
237 #endif
238 static int nb_drives_opt;
239 static struct drive_opt {
240 const char *file;
241 char opt[1024];
242 } drives_opt[MAX_DRIVES];
244 static CPUState *cur_cpu;
245 static CPUState *next_cpu;
246 static int event_pending = 1;
247 /* Conversion factor from emulated instructions to virtual clock ticks. */
248 static int icount_time_shift;
249 /* Arbitrarily pick 1MIPS as the minimum allowable speed. */
250 #define MAX_ICOUNT_SHIFT 10
251 /* Compensate for varying guest execution speed. */
252 static int64_t qemu_icount_bias;
253 static QEMUTimer *icount_rt_timer;
254 static QEMUTimer *icount_vm_timer;
256 uint8_t qemu_uuid[16];
258 /***********************************************************/
259 /* x86 ISA bus support */
261 target_phys_addr_t isa_mem_base = 0;
262 PicState2 *isa_pic;
264 static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
265 static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
267 static uint32_t ioport_read(int index, uint32_t address)
269 static IOPortReadFunc *default_func[3] = {
270 default_ioport_readb,
271 default_ioport_readw,
272 default_ioport_readl
274 IOPortReadFunc *func = ioport_read_table[index][address];
275 if (!func)
276 func = default_func[index];
277 return func(ioport_opaque[address], address);
280 static void ioport_write(int index, uint32_t address, uint32_t data)
282 static IOPortWriteFunc *default_func[3] = {
283 default_ioport_writeb,
284 default_ioport_writew,
285 default_ioport_writel
287 IOPortWriteFunc *func = ioport_write_table[index][address];
288 if (!func)
289 func = default_func[index];
290 func(ioport_opaque[address], address, data);
293 static uint32_t default_ioport_readb(void *opaque, uint32_t address)
295 #ifdef DEBUG_UNUSED_IOPORT
296 fprintf(stderr, "unused inb: port=0x%04x\n", address);
297 #endif
298 return 0xff;
301 static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
303 #ifdef DEBUG_UNUSED_IOPORT
304 fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
305 #endif
308 /* default is to make two byte accesses */
309 static uint32_t default_ioport_readw(void *opaque, uint32_t address)
311 uint32_t data;
312 data = ioport_read(0, address);
313 address = (address + 1) & (MAX_IOPORTS - 1);
314 data |= ioport_read(0, address) << 8;
315 return data;
318 static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
320 ioport_write(0, address, data & 0xff);
321 address = (address + 1) & (MAX_IOPORTS - 1);
322 ioport_write(0, address, (data >> 8) & 0xff);
325 static uint32_t default_ioport_readl(void *opaque, uint32_t address)
327 #ifdef DEBUG_UNUSED_IOPORT
328 fprintf(stderr, "unused inl: port=0x%04x\n", address);
329 #endif
330 return 0xffffffff;
333 static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
335 #ifdef DEBUG_UNUSED_IOPORT
336 fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
337 #endif
340 /* size is the word size in byte */
341 int register_ioport_read(int start, int length, int size,
342 IOPortReadFunc *func, void *opaque)
344 int i, bsize;
346 if (size == 1) {
347 bsize = 0;
348 } else if (size == 2) {
349 bsize = 1;
350 } else if (size == 4) {
351 bsize = 2;
352 } else {
353 hw_error("register_ioport_read: invalid size");
354 return -1;
356 for(i = start; i < start + length; i += size) {
357 ioport_read_table[bsize][i] = func;
358 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
359 hw_error("register_ioport_read: invalid opaque");
360 ioport_opaque[i] = opaque;
362 return 0;
365 /* size is the word size in byte */
366 int register_ioport_write(int start, int length, int size,
367 IOPortWriteFunc *func, void *opaque)
369 int i, bsize;
371 if (size == 1) {
372 bsize = 0;
373 } else if (size == 2) {
374 bsize = 1;
375 } else if (size == 4) {
376 bsize = 2;
377 } else {
378 hw_error("register_ioport_write: invalid size");
379 return -1;
381 for(i = start; i < start + length; i += size) {
382 ioport_write_table[bsize][i] = func;
383 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
384 hw_error("register_ioport_write: invalid opaque");
385 ioport_opaque[i] = opaque;
387 return 0;
390 void isa_unassign_ioport(int start, int length)
392 int i;
394 for(i = start; i < start + length; i++) {
395 ioport_read_table[0][i] = default_ioport_readb;
396 ioport_read_table[1][i] = default_ioport_readw;
397 ioport_read_table[2][i] = default_ioport_readl;
399 ioport_write_table[0][i] = default_ioport_writeb;
400 ioport_write_table[1][i] = default_ioport_writew;
401 ioport_write_table[2][i] = default_ioport_writel;
405 /***********************************************************/
407 void cpu_outb(CPUState *env, int addr, int val)
409 #ifdef DEBUG_IOPORT
410 if (loglevel & CPU_LOG_IOPORT)
411 fprintf(logfile, "outb: %04x %02x\n", addr, val);
412 #endif
413 ioport_write(0, addr, val);
414 #ifdef USE_KQEMU
415 if (env)
416 env->last_io_time = cpu_get_time_fast();
417 #endif
420 void cpu_outw(CPUState *env, int addr, int val)
422 #ifdef DEBUG_IOPORT
423 if (loglevel & CPU_LOG_IOPORT)
424 fprintf(logfile, "outw: %04x %04x\n", addr, val);
425 #endif
426 ioport_write(1, addr, val);
427 #ifdef USE_KQEMU
428 if (env)
429 env->last_io_time = cpu_get_time_fast();
430 #endif
433 void cpu_outl(CPUState *env, int addr, int val)
435 #ifdef DEBUG_IOPORT
436 if (loglevel & CPU_LOG_IOPORT)
437 fprintf(logfile, "outl: %04x %08x\n", addr, val);
438 #endif
439 ioport_write(2, addr, val);
440 #ifdef USE_KQEMU
441 if (env)
442 env->last_io_time = cpu_get_time_fast();
443 #endif
446 int cpu_inb(CPUState *env, int addr)
448 int val;
449 val = ioport_read(0, addr);
450 #ifdef DEBUG_IOPORT
451 if (loglevel & CPU_LOG_IOPORT)
452 fprintf(logfile, "inb : %04x %02x\n", addr, val);
453 #endif
454 #ifdef USE_KQEMU
455 if (env)
456 env->last_io_time = cpu_get_time_fast();
457 #endif
458 return val;
461 int cpu_inw(CPUState *env, int addr)
463 int val;
464 val = ioport_read(1, addr);
465 #ifdef DEBUG_IOPORT
466 if (loglevel & CPU_LOG_IOPORT)
467 fprintf(logfile, "inw : %04x %04x\n", addr, val);
468 #endif
469 #ifdef USE_KQEMU
470 if (env)
471 env->last_io_time = cpu_get_time_fast();
472 #endif
473 return val;
476 int cpu_inl(CPUState *env, int addr)
478 int val;
479 val = ioport_read(2, addr);
480 #ifdef DEBUG_IOPORT
481 if (loglevel & CPU_LOG_IOPORT)
482 fprintf(logfile, "inl : %04x %08x\n", addr, val);
483 #endif
484 #ifdef USE_KQEMU
485 if (env)
486 env->last_io_time = cpu_get_time_fast();
487 #endif
488 return val;
491 /***********************************************************/
492 void hw_error(const char *fmt, ...)
494 va_list ap;
495 CPUState *env;
497 va_start(ap, fmt);
498 fprintf(stderr, "qemu: hardware error: ");
499 vfprintf(stderr, fmt, ap);
500 fprintf(stderr, "\n");
501 for(env = first_cpu; env != NULL; env = env->next_cpu) {
502 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
503 #ifdef TARGET_I386
504 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
505 #else
506 cpu_dump_state(env, stderr, fprintf, 0);
507 #endif
509 va_end(ap);
510 abort();
513 /***************/
514 /* ballooning */
516 static QEMUBalloonEvent *qemu_balloon_event;
517 void *qemu_balloon_event_opaque;
519 void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque)
521 qemu_balloon_event = func;
522 qemu_balloon_event_opaque = opaque;
525 void qemu_balloon(ram_addr_t target)
527 if (qemu_balloon_event)
528 qemu_balloon_event(qemu_balloon_event_opaque, target);
531 ram_addr_t qemu_balloon_status(void)
533 if (qemu_balloon_event)
534 return qemu_balloon_event(qemu_balloon_event_opaque, 0);
535 return 0;
538 /***********************************************************/
539 /* keyboard/mouse */
541 static QEMUPutKBDEvent *qemu_put_kbd_event;
542 static void *qemu_put_kbd_event_opaque;
543 static QEMUPutMouseEntry *qemu_put_mouse_event_head;
544 static QEMUPutMouseEntry *qemu_put_mouse_event_current;
546 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
548 qemu_put_kbd_event_opaque = opaque;
549 qemu_put_kbd_event = func;
552 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
553 void *opaque, int absolute,
554 const char *name)
556 QEMUPutMouseEntry *s, *cursor;
558 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
559 if (!s)
560 return NULL;
562 s->qemu_put_mouse_event = func;
563 s->qemu_put_mouse_event_opaque = opaque;
564 s->qemu_put_mouse_event_absolute = absolute;
565 s->qemu_put_mouse_event_name = qemu_strdup(name);
566 s->next = NULL;
568 if (!qemu_put_mouse_event_head) {
569 qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
570 return s;
573 cursor = qemu_put_mouse_event_head;
574 while (cursor->next != NULL)
575 cursor = cursor->next;
577 cursor->next = s;
578 qemu_put_mouse_event_current = s;
580 return s;
583 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
585 QEMUPutMouseEntry *prev = NULL, *cursor;
587 if (!qemu_put_mouse_event_head || entry == NULL)
588 return;
590 cursor = qemu_put_mouse_event_head;
591 while (cursor != NULL && cursor != entry) {
592 prev = cursor;
593 cursor = cursor->next;
596 if (cursor == NULL) // does not exist or list empty
597 return;
598 else if (prev == NULL) { // entry is head
599 qemu_put_mouse_event_head = cursor->next;
600 if (qemu_put_mouse_event_current == entry)
601 qemu_put_mouse_event_current = cursor->next;
602 qemu_free(entry->qemu_put_mouse_event_name);
603 qemu_free(entry);
604 return;
607 prev->next = entry->next;
609 if (qemu_put_mouse_event_current == entry)
610 qemu_put_mouse_event_current = prev;
612 qemu_free(entry->qemu_put_mouse_event_name);
613 qemu_free(entry);
616 void kbd_put_keycode(int keycode)
618 if (qemu_put_kbd_event) {
619 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
623 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
625 QEMUPutMouseEvent *mouse_event;
626 void *mouse_event_opaque;
627 int width;
629 if (!qemu_put_mouse_event_current) {
630 return;
633 mouse_event =
634 qemu_put_mouse_event_current->qemu_put_mouse_event;
635 mouse_event_opaque =
636 qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
638 if (mouse_event) {
639 if (graphic_rotate) {
640 if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
641 width = 0x7fff;
642 else
643 width = graphic_width - 1;
644 mouse_event(mouse_event_opaque,
645 width - dy, dx, dz, buttons_state);
646 } else
647 mouse_event(mouse_event_opaque,
648 dx, dy, dz, buttons_state);
652 int kbd_mouse_is_absolute(void)
654 if (!qemu_put_mouse_event_current)
655 return 0;
657 return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
660 void do_info_mice(void)
662 QEMUPutMouseEntry *cursor;
663 int index = 0;
665 if (!qemu_put_mouse_event_head) {
666 term_printf("No mouse devices connected\n");
667 return;
670 term_printf("Mouse devices available:\n");
671 cursor = qemu_put_mouse_event_head;
672 while (cursor != NULL) {
673 term_printf("%c Mouse #%d: %s\n",
674 (cursor == qemu_put_mouse_event_current ? '*' : ' '),
675 index, cursor->qemu_put_mouse_event_name);
676 index++;
677 cursor = cursor->next;
681 void do_mouse_set(int index)
683 QEMUPutMouseEntry *cursor;
684 int i = 0;
686 if (!qemu_put_mouse_event_head) {
687 term_printf("No mouse devices connected\n");
688 return;
691 cursor = qemu_put_mouse_event_head;
692 while (cursor != NULL && index != i) {
693 i++;
694 cursor = cursor->next;
697 if (cursor != NULL)
698 qemu_put_mouse_event_current = cursor;
699 else
700 term_printf("Mouse at given index not found\n");
703 /* compute with 96 bit intermediate result: (a*b)/c */
704 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
706 union {
707 uint64_t ll;
708 struct {
709 #ifdef WORDS_BIGENDIAN
710 uint32_t high, low;
711 #else
712 uint32_t low, high;
713 #endif
714 } l;
715 } u, res;
716 uint64_t rl, rh;
718 u.ll = a;
719 rl = (uint64_t)u.l.low * (uint64_t)b;
720 rh = (uint64_t)u.l.high * (uint64_t)b;
721 rh += (rl >> 32);
722 res.l.high = rh / c;
723 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
724 return res.ll;
727 /***********************************************************/
728 /* real time host monotonic timer */
730 #define QEMU_TIMER_BASE 1000000000LL
732 #ifdef WIN32
734 static int64_t clock_freq;
736 static void init_get_clock(void)
738 LARGE_INTEGER freq;
739 int ret;
740 ret = QueryPerformanceFrequency(&freq);
741 if (ret == 0) {
742 fprintf(stderr, "Could not calibrate ticks\n");
743 exit(1);
745 clock_freq = freq.QuadPart;
748 static int64_t get_clock(void)
750 LARGE_INTEGER ti;
751 QueryPerformanceCounter(&ti);
752 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
755 #else
757 static int use_rt_clock;
759 static void init_get_clock(void)
761 use_rt_clock = 0;
762 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
764 struct timespec ts;
765 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
766 use_rt_clock = 1;
769 #endif
772 static int64_t get_clock(void)
774 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
775 if (use_rt_clock) {
776 struct timespec ts;
777 clock_gettime(CLOCK_MONOTONIC, &ts);
778 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
779 } else
780 #endif
782 /* XXX: using gettimeofday leads to problems if the date
783 changes, so it should be avoided. */
784 struct timeval tv;
785 gettimeofday(&tv, NULL);
786 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
789 #endif
791 /* Return the virtual CPU time, based on the instruction counter. */
792 static int64_t cpu_get_icount(void)
794 int64_t icount;
795 CPUState *env = cpu_single_env;;
796 icount = qemu_icount;
797 if (env) {
798 if (!can_do_io(env))
799 fprintf(stderr, "Bad clock read\n");
800 icount -= (env->icount_decr.u16.low + env->icount_extra);
802 return qemu_icount_bias + (icount << icount_time_shift);
805 /***********************************************************/
806 /* guest cycle counter */
808 static int64_t cpu_ticks_prev;
809 static int64_t cpu_ticks_offset;
810 static int64_t cpu_clock_offset;
811 static int cpu_ticks_enabled;
813 /* return the host CPU cycle counter and handle stop/restart */
814 int64_t cpu_get_ticks(void)
816 if (use_icount) {
817 return cpu_get_icount();
819 if (!cpu_ticks_enabled) {
820 return cpu_ticks_offset;
821 } else {
822 int64_t ticks;
823 ticks = cpu_get_real_ticks();
824 if (cpu_ticks_prev > ticks) {
825 /* Note: non increasing ticks may happen if the host uses
826 software suspend */
827 cpu_ticks_offset += cpu_ticks_prev - ticks;
829 cpu_ticks_prev = ticks;
830 return ticks + cpu_ticks_offset;
834 /* return the host CPU monotonic timer and handle stop/restart */
835 static int64_t cpu_get_clock(void)
837 int64_t ti;
838 if (!cpu_ticks_enabled) {
839 return cpu_clock_offset;
840 } else {
841 ti = get_clock();
842 return ti + cpu_clock_offset;
846 /* enable cpu_get_ticks() */
847 void cpu_enable_ticks(void)
849 if (!cpu_ticks_enabled) {
850 cpu_ticks_offset -= cpu_get_real_ticks();
851 cpu_clock_offset -= get_clock();
852 cpu_ticks_enabled = 1;
856 /* disable cpu_get_ticks() : the clock is stopped. You must not call
857 cpu_get_ticks() after that. */
858 void cpu_disable_ticks(void)
860 if (cpu_ticks_enabled) {
861 cpu_ticks_offset = cpu_get_ticks();
862 cpu_clock_offset = cpu_get_clock();
863 cpu_ticks_enabled = 0;
867 /***********************************************************/
868 /* timers */
870 #define QEMU_TIMER_REALTIME 0
871 #define QEMU_TIMER_VIRTUAL 1
873 struct QEMUClock {
874 int type;
875 /* XXX: add frequency */
878 struct QEMUTimer {
879 QEMUClock *clock;
880 int64_t expire_time;
881 QEMUTimerCB *cb;
882 void *opaque;
883 struct QEMUTimer *next;
886 struct qemu_alarm_timer {
887 char const *name;
888 unsigned int flags;
890 int (*start)(struct qemu_alarm_timer *t);
891 void (*stop)(struct qemu_alarm_timer *t);
892 void (*rearm)(struct qemu_alarm_timer *t);
893 void *priv;
896 #define ALARM_FLAG_DYNTICKS 0x1
897 #define ALARM_FLAG_EXPIRED 0x2
899 static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
901 return t->flags & ALARM_FLAG_DYNTICKS;
904 static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
906 if (!alarm_has_dynticks(t))
907 return;
909 t->rearm(t);
912 /* TODO: MIN_TIMER_REARM_US should be optimized */
913 #define MIN_TIMER_REARM_US 250
915 static struct qemu_alarm_timer *alarm_timer;
916 #ifndef _WIN32
917 static int alarm_timer_rfd, alarm_timer_wfd;
918 #endif
920 #ifdef _WIN32
922 struct qemu_alarm_win32 {
923 MMRESULT timerId;
924 HANDLE host_alarm;
925 unsigned int period;
926 } alarm_win32_data = {0, NULL, -1};
928 static int win32_start_timer(struct qemu_alarm_timer *t);
929 static void win32_stop_timer(struct qemu_alarm_timer *t);
930 static void win32_rearm_timer(struct qemu_alarm_timer *t);
932 #else
934 static int unix_start_timer(struct qemu_alarm_timer *t);
935 static void unix_stop_timer(struct qemu_alarm_timer *t);
937 #ifdef __linux__
939 static int dynticks_start_timer(struct qemu_alarm_timer *t);
940 static void dynticks_stop_timer(struct qemu_alarm_timer *t);
941 static void dynticks_rearm_timer(struct qemu_alarm_timer *t);
943 static int hpet_start_timer(struct qemu_alarm_timer *t);
944 static void hpet_stop_timer(struct qemu_alarm_timer *t);
946 static int rtc_start_timer(struct qemu_alarm_timer *t);
947 static void rtc_stop_timer(struct qemu_alarm_timer *t);
949 #endif /* __linux__ */
951 #endif /* _WIN32 */
953 /* Correlation between real and virtual time is always going to be
954 fairly approximate, so ignore small variation.
955 When the guest is idle real and virtual time will be aligned in
956 the IO wait loop. */
957 #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
959 static void icount_adjust(void)
961 int64_t cur_time;
962 int64_t cur_icount;
963 int64_t delta;
964 static int64_t last_delta;
965 /* If the VM is not running, then do nothing. */
966 if (!vm_running)
967 return;
969 cur_time = cpu_get_clock();
970 cur_icount = qemu_get_clock(vm_clock);
971 delta = cur_icount - cur_time;
972 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
973 if (delta > 0
974 && last_delta + ICOUNT_WOBBLE < delta * 2
975 && icount_time_shift > 0) {
976 /* The guest is getting too far ahead. Slow time down. */
977 icount_time_shift--;
979 if (delta < 0
980 && last_delta - ICOUNT_WOBBLE > delta * 2
981 && icount_time_shift < MAX_ICOUNT_SHIFT) {
982 /* The guest is getting too far behind. Speed time up. */
983 icount_time_shift++;
985 last_delta = delta;
986 qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift);
989 static void icount_adjust_rt(void * opaque)
991 qemu_mod_timer(icount_rt_timer,
992 qemu_get_clock(rt_clock) + 1000);
993 icount_adjust();
996 static void icount_adjust_vm(void * opaque)
998 qemu_mod_timer(icount_vm_timer,
999 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
1000 icount_adjust();
1003 static void init_icount_adjust(void)
1005 /* Have both realtime and virtual time triggers for speed adjustment.
1006 The realtime trigger catches emulated time passing too slowly,
1007 the virtual time trigger catches emulated time passing too fast.
1008 Realtime triggers occur even when idle, so use them less frequently
1009 than VM triggers. */
1010 icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
1011 qemu_mod_timer(icount_rt_timer,
1012 qemu_get_clock(rt_clock) + 1000);
1013 icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
1014 qemu_mod_timer(icount_vm_timer,
1015 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
1018 static struct qemu_alarm_timer alarm_timers[] = {
1019 #ifndef _WIN32
1020 #ifdef __linux__
1021 {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
1022 dynticks_stop_timer, dynticks_rearm_timer, NULL},
1023 /* HPET - if available - is preferred */
1024 {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
1025 /* ...otherwise try RTC */
1026 {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
1027 #endif
1028 {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
1029 #else
1030 {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
1031 win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
1032 {"win32", 0, win32_start_timer,
1033 win32_stop_timer, NULL, &alarm_win32_data},
1034 #endif
1035 {NULL, }
1038 static void show_available_alarms(void)
1040 int i;
1042 printf("Available alarm timers, in order of precedence:\n");
1043 for (i = 0; alarm_timers[i].name; i++)
1044 printf("%s\n", alarm_timers[i].name);
1047 static void configure_alarms(char const *opt)
1049 int i;
1050 int cur = 0;
1051 int count = ARRAY_SIZE(alarm_timers) - 1;
1052 char *arg;
1053 char *name;
1054 struct qemu_alarm_timer tmp;
1056 if (!strcmp(opt, "?")) {
1057 show_available_alarms();
1058 exit(0);
1061 arg = strdup(opt);
1063 /* Reorder the array */
1064 name = strtok(arg, ",");
1065 while (name) {
1066 for (i = 0; i < count && alarm_timers[i].name; i++) {
1067 if (!strcmp(alarm_timers[i].name, name))
1068 break;
1071 if (i == count) {
1072 fprintf(stderr, "Unknown clock %s\n", name);
1073 goto next;
1076 if (i < cur)
1077 /* Ignore */
1078 goto next;
1080 /* Swap */
1081 tmp = alarm_timers[i];
1082 alarm_timers[i] = alarm_timers[cur];
1083 alarm_timers[cur] = tmp;
1085 cur++;
1086 next:
1087 name = strtok(NULL, ",");
1090 free(arg);
1092 if (cur) {
1093 /* Disable remaining timers */
1094 for (i = cur; i < count; i++)
1095 alarm_timers[i].name = NULL;
1096 } else {
1097 show_available_alarms();
1098 exit(1);
1102 QEMUClock *rt_clock;
1103 QEMUClock *vm_clock;
1105 static QEMUTimer *active_timers[2];
1107 static QEMUClock *qemu_new_clock(int type)
1109 QEMUClock *clock;
1110 clock = qemu_mallocz(sizeof(QEMUClock));
1111 if (!clock)
1112 return NULL;
1113 clock->type = type;
1114 return clock;
1117 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
1119 QEMUTimer *ts;
1121 ts = qemu_mallocz(sizeof(QEMUTimer));
1122 ts->clock = clock;
1123 ts->cb = cb;
1124 ts->opaque = opaque;
1125 return ts;
1128 void qemu_free_timer(QEMUTimer *ts)
1130 qemu_free(ts);
1133 /* stop a timer, but do not dealloc it */
1134 void qemu_del_timer(QEMUTimer *ts)
1136 QEMUTimer **pt, *t;
1138 /* NOTE: this code must be signal safe because
1139 qemu_timer_expired() can be called from a signal. */
1140 pt = &active_timers[ts->clock->type];
1141 for(;;) {
1142 t = *pt;
1143 if (!t)
1144 break;
1145 if (t == ts) {
1146 *pt = t->next;
1147 break;
1149 pt = &t->next;
1153 /* modify the current timer so that it will be fired when current_time
1154 >= expire_time. The corresponding callback will be called. */
1155 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
1157 QEMUTimer **pt, *t;
1159 qemu_del_timer(ts);
1161 /* add the timer in the sorted list */
1162 /* NOTE: this code must be signal safe because
1163 qemu_timer_expired() can be called from a signal. */
1164 pt = &active_timers[ts->clock->type];
1165 for(;;) {
1166 t = *pt;
1167 if (!t)
1168 break;
1169 if (t->expire_time > expire_time)
1170 break;
1171 pt = &t->next;
1173 ts->expire_time = expire_time;
1174 ts->next = *pt;
1175 *pt = ts;
1177 /* Rearm if necessary */
1178 if (pt == &active_timers[ts->clock->type]) {
1179 if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) {
1180 qemu_rearm_alarm_timer(alarm_timer);
1182 /* Interrupt execution to force deadline recalculation. */
1183 if (use_icount && cpu_single_env) {
1184 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
1189 int qemu_timer_pending(QEMUTimer *ts)
1191 QEMUTimer *t;
1192 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
1193 if (t == ts)
1194 return 1;
1196 return 0;
1199 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
1201 if (!timer_head)
1202 return 0;
1203 return (timer_head->expire_time <= current_time);
1206 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
1208 QEMUTimer *ts;
1210 for(;;) {
1211 ts = *ptimer_head;
1212 if (!ts || ts->expire_time > current_time)
1213 break;
1214 /* remove timer from the list before calling the callback */
1215 *ptimer_head = ts->next;
1216 ts->next = NULL;
1218 /* run the callback (the timer list can be modified) */
1219 ts->cb(ts->opaque);
1223 int64_t qemu_get_clock(QEMUClock *clock)
1225 switch(clock->type) {
1226 case QEMU_TIMER_REALTIME:
1227 return get_clock() / 1000000;
1228 default:
1229 case QEMU_TIMER_VIRTUAL:
1230 if (use_icount) {
1231 return cpu_get_icount();
1232 } else {
1233 return cpu_get_clock();
1238 static void init_timers(void)
1240 init_get_clock();
1241 ticks_per_sec = QEMU_TIMER_BASE;
1242 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
1243 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
1246 /* save a timer */
1247 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
1249 uint64_t expire_time;
1251 if (qemu_timer_pending(ts)) {
1252 expire_time = ts->expire_time;
1253 } else {
1254 expire_time = -1;
1256 qemu_put_be64(f, expire_time);
1259 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
1261 uint64_t expire_time;
1263 expire_time = qemu_get_be64(f);
1264 if (expire_time != -1) {
1265 qemu_mod_timer(ts, expire_time);
1266 } else {
1267 qemu_del_timer(ts);
1271 static void timer_save(QEMUFile *f, void *opaque)
1273 if (cpu_ticks_enabled) {
1274 hw_error("cannot save state if virtual timers are running");
1276 qemu_put_be64(f, cpu_ticks_offset);
1277 qemu_put_be64(f, ticks_per_sec);
1278 qemu_put_be64(f, cpu_clock_offset);
1281 static int timer_load(QEMUFile *f, void *opaque, int version_id)
1283 if (version_id != 1 && version_id != 2)
1284 return -EINVAL;
1285 if (cpu_ticks_enabled) {
1286 return -EINVAL;
1288 cpu_ticks_offset=qemu_get_be64(f);
1289 ticks_per_sec=qemu_get_be64(f);
1290 if (version_id == 2) {
1291 cpu_clock_offset=qemu_get_be64(f);
1293 return 0;
1296 #ifdef _WIN32
1297 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
1298 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
1299 #else
1300 static void host_alarm_handler(int host_signum)
1301 #endif
1303 #if 0
1304 #define DISP_FREQ 1000
1306 static int64_t delta_min = INT64_MAX;
1307 static int64_t delta_max, delta_cum, last_clock, delta, ti;
1308 static int count;
1309 ti = qemu_get_clock(vm_clock);
1310 if (last_clock != 0) {
1311 delta = ti - last_clock;
1312 if (delta < delta_min)
1313 delta_min = delta;
1314 if (delta > delta_max)
1315 delta_max = delta;
1316 delta_cum += delta;
1317 if (++count == DISP_FREQ) {
1318 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
1319 muldiv64(delta_min, 1000000, ticks_per_sec),
1320 muldiv64(delta_max, 1000000, ticks_per_sec),
1321 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
1322 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
1323 count = 0;
1324 delta_min = INT64_MAX;
1325 delta_max = 0;
1326 delta_cum = 0;
1329 last_clock = ti;
1331 #endif
1332 if (alarm_has_dynticks(alarm_timer) ||
1333 (!use_icount &&
1334 qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
1335 qemu_get_clock(vm_clock))) ||
1336 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
1337 qemu_get_clock(rt_clock))) {
1338 CPUState *env = next_cpu;
1340 #ifdef _WIN32
1341 struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv;
1342 SetEvent(data->host_alarm);
1343 #else
1344 static const char byte = 0;
1345 write(alarm_timer_wfd, &byte, sizeof(byte));
1346 #endif
1347 alarm_timer->flags |= ALARM_FLAG_EXPIRED;
1349 if (env) {
1350 /* stop the currently executing cpu because a timer occured */
1351 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
1352 #ifdef USE_KQEMU
1353 if (env->kqemu_enabled) {
1354 kqemu_cpu_interrupt(env);
1356 #endif
1358 event_pending = 1;
1362 static int64_t qemu_next_deadline(void)
1364 int64_t delta;
1366 if (active_timers[QEMU_TIMER_VIRTUAL]) {
1367 delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time -
1368 qemu_get_clock(vm_clock);
1369 } else {
1370 /* To avoid problems with overflow limit this to 2^32. */
1371 delta = INT32_MAX;
1374 if (delta < 0)
1375 delta = 0;
1377 return delta;
1380 #if defined(__linux__) || defined(_WIN32)
1381 static uint64_t qemu_next_deadline_dyntick(void)
1383 int64_t delta;
1384 int64_t rtdelta;
1386 if (use_icount)
1387 delta = INT32_MAX;
1388 else
1389 delta = (qemu_next_deadline() + 999) / 1000;
1391 if (active_timers[QEMU_TIMER_REALTIME]) {
1392 rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time -
1393 qemu_get_clock(rt_clock))*1000;
1394 if (rtdelta < delta)
1395 delta = rtdelta;
1398 if (delta < MIN_TIMER_REARM_US)
1399 delta = MIN_TIMER_REARM_US;
1401 return delta;
1403 #endif
1405 #ifndef _WIN32
1407 /* Sets a specific flag */
1408 static int fcntl_setfl(int fd, int flag)
1410 int flags;
1412 flags = fcntl(fd, F_GETFL);
1413 if (flags == -1)
1414 return -errno;
1416 if (fcntl(fd, F_SETFL, flags | flag) == -1)
1417 return -errno;
1419 return 0;
1422 #if defined(__linux__)
1424 #define RTC_FREQ 1024
1426 static void enable_sigio_timer(int fd)
1428 struct sigaction act;
1430 /* timer signal */
1431 sigfillset(&act.sa_mask);
1432 act.sa_flags = 0;
1433 act.sa_handler = host_alarm_handler;
1435 sigaction(SIGIO, &act, NULL);
1436 fcntl_setfl(fd, O_ASYNC);
1437 fcntl(fd, F_SETOWN, getpid());
1440 static int hpet_start_timer(struct qemu_alarm_timer *t)
1442 struct hpet_info info;
1443 int r, fd;
1445 fd = open("/dev/hpet", O_RDONLY);
1446 if (fd < 0)
1447 return -1;
1449 /* Set frequency */
1450 r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ);
1451 if (r < 0) {
1452 fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1453 "error, but for better emulation accuracy type:\n"
1454 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1455 goto fail;
1458 /* Check capabilities */
1459 r = ioctl(fd, HPET_INFO, &info);
1460 if (r < 0)
1461 goto fail;
1463 /* Enable periodic mode */
1464 r = ioctl(fd, HPET_EPI, 0);
1465 if (info.hi_flags && (r < 0))
1466 goto fail;
1468 /* Enable interrupt */
1469 r = ioctl(fd, HPET_IE_ON, 0);
1470 if (r < 0)
1471 goto fail;
1473 enable_sigio_timer(fd);
1474 t->priv = (void *)(long)fd;
1476 return 0;
1477 fail:
1478 close(fd);
1479 return -1;
1482 static void hpet_stop_timer(struct qemu_alarm_timer *t)
1484 int fd = (long)t->priv;
1486 close(fd);
1489 static int rtc_start_timer(struct qemu_alarm_timer *t)
1491 int rtc_fd;
1492 unsigned long current_rtc_freq = 0;
1494 TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
1495 if (rtc_fd < 0)
1496 return -1;
1497 ioctl(rtc_fd, RTC_IRQP_READ, &current_rtc_freq);
1498 if (current_rtc_freq != RTC_FREQ &&
1499 ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
1500 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1501 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1502 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1503 goto fail;
1505 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1506 fail:
1507 close(rtc_fd);
1508 return -1;
1511 enable_sigio_timer(rtc_fd);
1513 t->priv = (void *)(long)rtc_fd;
1515 return 0;
1518 static void rtc_stop_timer(struct qemu_alarm_timer *t)
1520 int rtc_fd = (long)t->priv;
1522 close(rtc_fd);
1525 static int dynticks_start_timer(struct qemu_alarm_timer *t)
1527 struct sigevent ev;
1528 timer_t host_timer;
1529 struct sigaction act;
1531 sigfillset(&act.sa_mask);
1532 act.sa_flags = 0;
1533 act.sa_handler = host_alarm_handler;
1535 sigaction(SIGALRM, &act, NULL);
1537 ev.sigev_value.sival_int = 0;
1538 ev.sigev_notify = SIGEV_SIGNAL;
1539 ev.sigev_signo = SIGALRM;
1541 if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
1542 perror("timer_create");
1544 /* disable dynticks */
1545 fprintf(stderr, "Dynamic Ticks disabled\n");
1547 return -1;
1550 t->priv = (void *)(long)host_timer;
1552 return 0;
1555 static void dynticks_stop_timer(struct qemu_alarm_timer *t)
1557 timer_t host_timer = (timer_t)(long)t->priv;
1559 timer_delete(host_timer);
1562 static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
1564 timer_t host_timer = (timer_t)(long)t->priv;
1565 struct itimerspec timeout;
1566 int64_t nearest_delta_us = INT64_MAX;
1567 int64_t current_us;
1569 if (!active_timers[QEMU_TIMER_REALTIME] &&
1570 !active_timers[QEMU_TIMER_VIRTUAL])
1571 return;
1573 nearest_delta_us = qemu_next_deadline_dyntick();
1575 /* check whether a timer is already running */
1576 if (timer_gettime(host_timer, &timeout)) {
1577 perror("gettime");
1578 fprintf(stderr, "Internal timer error: aborting\n");
1579 exit(1);
1581 current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000;
1582 if (current_us && current_us <= nearest_delta_us)
1583 return;
1585 timeout.it_interval.tv_sec = 0;
1586 timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */
1587 timeout.it_value.tv_sec = nearest_delta_us / 1000000;
1588 timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000;
1589 if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) {
1590 perror("settime");
1591 fprintf(stderr, "Internal timer error: aborting\n");
1592 exit(1);
1596 #endif /* defined(__linux__) */
1598 static int unix_start_timer(struct qemu_alarm_timer *t)
1600 struct sigaction act;
1601 struct itimerval itv;
1602 int err;
1604 /* timer signal */
1605 sigfillset(&act.sa_mask);
1606 act.sa_flags = 0;
1607 act.sa_handler = host_alarm_handler;
1609 sigaction(SIGALRM, &act, NULL);
1611 itv.it_interval.tv_sec = 0;
1612 /* for i386 kernel 2.6 to get 1 ms */
1613 itv.it_interval.tv_usec = 999;
1614 itv.it_value.tv_sec = 0;
1615 itv.it_value.tv_usec = 10 * 1000;
1617 err = setitimer(ITIMER_REAL, &itv, NULL);
1618 if (err)
1619 return -1;
1621 return 0;
1624 static void unix_stop_timer(struct qemu_alarm_timer *t)
1626 struct itimerval itv;
1628 memset(&itv, 0, sizeof(itv));
1629 setitimer(ITIMER_REAL, &itv, NULL);
1632 #endif /* !defined(_WIN32) */
1634 static void try_to_rearm_timer(void *opaque)
1636 struct qemu_alarm_timer *t = opaque;
1637 #ifndef _WIN32
1638 ssize_t len;
1640 /* Drain the notify pipe */
1641 do {
1642 char buffer[512];
1643 len = read(alarm_timer_rfd, buffer, sizeof(buffer));
1644 } while ((len == -1 && errno == EINTR) || len > 0);
1645 #endif
1647 if (t->flags & ALARM_FLAG_EXPIRED) {
1648 alarm_timer->flags &= ~ALARM_FLAG_EXPIRED;
1649 qemu_rearm_alarm_timer(alarm_timer);
1653 #ifdef _WIN32
1655 static int win32_start_timer(struct qemu_alarm_timer *t)
1657 TIMECAPS tc;
1658 struct qemu_alarm_win32 *data = t->priv;
1659 UINT flags;
1661 data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
1662 if (!data->host_alarm) {
1663 perror("Failed CreateEvent");
1664 return -1;
1667 memset(&tc, 0, sizeof(tc));
1668 timeGetDevCaps(&tc, sizeof(tc));
1670 if (data->period < tc.wPeriodMin)
1671 data->period = tc.wPeriodMin;
1673 timeBeginPeriod(data->period);
1675 flags = TIME_CALLBACK_FUNCTION;
1676 if (alarm_has_dynticks(t))
1677 flags |= TIME_ONESHOT;
1678 else
1679 flags |= TIME_PERIODIC;
1681 data->timerId = timeSetEvent(1, // interval (ms)
1682 data->period, // resolution
1683 host_alarm_handler, // function
1684 (DWORD)t, // parameter
1685 flags);
1687 if (!data->timerId) {
1688 perror("Failed to initialize win32 alarm timer");
1690 timeEndPeriod(data->period);
1691 CloseHandle(data->host_alarm);
1692 return -1;
1695 qemu_add_wait_object(data->host_alarm, try_to_rearm_timer, t);
1697 return 0;
1700 static void win32_stop_timer(struct qemu_alarm_timer *t)
1702 struct qemu_alarm_win32 *data = t->priv;
1704 timeKillEvent(data->timerId);
1705 timeEndPeriod(data->period);
1707 CloseHandle(data->host_alarm);
1710 static void win32_rearm_timer(struct qemu_alarm_timer *t)
1712 struct qemu_alarm_win32 *data = t->priv;
1713 uint64_t nearest_delta_us;
1715 if (!active_timers[QEMU_TIMER_REALTIME] &&
1716 !active_timers[QEMU_TIMER_VIRTUAL])
1717 return;
1719 nearest_delta_us = qemu_next_deadline_dyntick();
1720 nearest_delta_us /= 1000;
1722 timeKillEvent(data->timerId);
1724 data->timerId = timeSetEvent(1,
1725 data->period,
1726 host_alarm_handler,
1727 (DWORD)t,
1728 TIME_ONESHOT | TIME_PERIODIC);
1730 if (!data->timerId) {
1731 perror("Failed to re-arm win32 alarm timer");
1733 timeEndPeriod(data->period);
1734 CloseHandle(data->host_alarm);
1735 exit(1);
1739 #endif /* _WIN32 */
1741 static int init_timer_alarm(void)
1743 struct qemu_alarm_timer *t = NULL;
1744 int i, err = -1;
1746 #ifndef _WIN32
1747 int fds[2];
1749 err = pipe(fds);
1750 if (err == -1)
1751 return -errno;
1753 err = fcntl_setfl(fds[0], O_NONBLOCK);
1754 if (err < 0)
1755 goto fail;
1757 err = fcntl_setfl(fds[1], O_NONBLOCK);
1758 if (err < 0)
1759 goto fail;
1761 alarm_timer_rfd = fds[0];
1762 alarm_timer_wfd = fds[1];
1763 #endif
1765 for (i = 0; alarm_timers[i].name; i++) {
1766 t = &alarm_timers[i];
1768 err = t->start(t);
1769 if (!err)
1770 break;
1773 if (err) {
1774 err = -ENOENT;
1775 goto fail;
1778 #ifndef _WIN32
1779 qemu_set_fd_handler2(alarm_timer_rfd, NULL,
1780 try_to_rearm_timer, NULL, t);
1781 #endif
1783 alarm_timer = t;
1785 return 0;
1787 fail:
1788 #ifndef _WIN32
1789 close(fds[0]);
1790 close(fds[1]);
1791 #endif
1792 return err;
1795 static void quit_timers(void)
1797 alarm_timer->stop(alarm_timer);
1798 alarm_timer = NULL;
1801 /***********************************************************/
1802 /* host time/date access */
1803 void qemu_get_timedate(struct tm *tm, int offset)
1805 time_t ti;
1806 struct tm *ret;
1808 time(&ti);
1809 ti += offset;
1810 if (rtc_date_offset == -1) {
1811 if (rtc_utc)
1812 ret = gmtime(&ti);
1813 else
1814 ret = localtime(&ti);
1815 } else {
1816 ti -= rtc_date_offset;
1817 ret = gmtime(&ti);
1820 memcpy(tm, ret, sizeof(struct tm));
1823 int qemu_timedate_diff(struct tm *tm)
1825 time_t seconds;
1827 if (rtc_date_offset == -1)
1828 if (rtc_utc)
1829 seconds = mktimegm(tm);
1830 else
1831 seconds = mktime(tm);
1832 else
1833 seconds = mktimegm(tm) + rtc_date_offset;
1835 return seconds - time(NULL);
1838 #ifdef _WIN32
1839 static void socket_cleanup(void)
1841 WSACleanup();
1844 static int socket_init(void)
1846 WSADATA Data;
1847 int ret, err;
1849 ret = WSAStartup(MAKEWORD(2,2), &Data);
1850 if (ret != 0) {
1851 err = WSAGetLastError();
1852 fprintf(stderr, "WSAStartup: %d\n", err);
1853 return -1;
1855 atexit(socket_cleanup);
1856 return 0;
1858 #endif
1860 const char *get_opt_name(char *buf, int buf_size, const char *p)
1862 char *q;
1864 q = buf;
1865 while (*p != '\0' && *p != '=') {
1866 if (q && (q - buf) < buf_size - 1)
1867 *q++ = *p;
1868 p++;
1870 if (q)
1871 *q = '\0';
1873 return p;
1876 const char *get_opt_value(char *buf, int buf_size, const char *p)
1878 char *q;
1880 q = buf;
1881 while (*p != '\0') {
1882 if (*p == ',') {
1883 if (*(p + 1) != ',')
1884 break;
1885 p++;
1887 if (q && (q - buf) < buf_size - 1)
1888 *q++ = *p;
1889 p++;
1891 if (q)
1892 *q = '\0';
1894 return p;
1897 int get_param_value(char *buf, int buf_size,
1898 const char *tag, const char *str)
1900 const char *p;
1901 char option[128];
1903 p = str;
1904 for(;;) {
1905 p = get_opt_name(option, sizeof(option), p);
1906 if (*p != '=')
1907 break;
1908 p++;
1909 if (!strcmp(tag, option)) {
1910 (void)get_opt_value(buf, buf_size, p);
1911 return strlen(buf);
1912 } else {
1913 p = get_opt_value(NULL, 0, p);
1915 if (*p != ',')
1916 break;
1917 p++;
1919 return 0;
1922 int check_params(char *buf, int buf_size,
1923 const char * const *params, const char *str)
1925 const char *p;
1926 int i;
1928 p = str;
1929 for(;;) {
1930 p = get_opt_name(buf, buf_size, p);
1931 if (*p != '=')
1932 return -1;
1933 p++;
1934 for(i = 0; params[i] != NULL; i++)
1935 if (!strcmp(params[i], buf))
1936 break;
1937 if (params[i] == NULL)
1938 return -1;
1939 p = get_opt_value(NULL, 0, p);
1940 if (*p != ',')
1941 break;
1942 p++;
1944 return 0;
1947 /***********************************************************/
1948 /* Bluetooth support */
1949 static int nb_hcis;
1950 static int cur_hci;
1951 static struct HCIInfo *hci_table[MAX_NICS];
1953 static struct bt_vlan_s {
1954 struct bt_scatternet_s net;
1955 int id;
1956 struct bt_vlan_s *next;
1957 } *first_bt_vlan;
1959 /* find or alloc a new bluetooth "VLAN" */
1960 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
1962 struct bt_vlan_s **pvlan, *vlan;
1963 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
1964 if (vlan->id == id)
1965 return &vlan->net;
1967 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
1968 vlan->id = id;
1969 pvlan = &first_bt_vlan;
1970 while (*pvlan != NULL)
1971 pvlan = &(*pvlan)->next;
1972 *pvlan = vlan;
1973 return &vlan->net;
1976 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
1980 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
1982 return -ENOTSUP;
1985 static struct HCIInfo null_hci = {
1986 .cmd_send = null_hci_send,
1987 .sco_send = null_hci_send,
1988 .acl_send = null_hci_send,
1989 .bdaddr_set = null_hci_addr_set,
1992 struct HCIInfo *qemu_next_hci(void)
1994 if (cur_hci == nb_hcis)
1995 return &null_hci;
1997 return hci_table[cur_hci++];
2000 static struct HCIInfo *hci_init(const char *str)
2002 char *endp;
2003 struct bt_scatternet_s *vlan = 0;
2005 if (!strcmp(str, "null"))
2006 /* null */
2007 return &null_hci;
2008 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
2009 /* host[:hciN] */
2010 return bt_host_hci(str[4] ? str + 5 : "hci0");
2011 else if (!strncmp(str, "hci", 3)) {
2012 /* hci[,vlan=n] */
2013 if (str[3]) {
2014 if (!strncmp(str + 3, ",vlan=", 6)) {
2015 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
2016 if (*endp)
2017 vlan = 0;
2019 } else
2020 vlan = qemu_find_bt_vlan(0);
2021 if (vlan)
2022 return bt_new_hci(vlan);
2025 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
2027 return 0;
2030 static int bt_hci_parse(const char *str)
2032 struct HCIInfo *hci;
2033 bdaddr_t bdaddr;
2035 if (nb_hcis >= MAX_NICS) {
2036 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
2037 return -1;
2040 hci = hci_init(str);
2041 if (!hci)
2042 return -1;
2044 bdaddr.b[0] = 0x52;
2045 bdaddr.b[1] = 0x54;
2046 bdaddr.b[2] = 0x00;
2047 bdaddr.b[3] = 0x12;
2048 bdaddr.b[4] = 0x34;
2049 bdaddr.b[5] = 0x56 + nb_hcis;
2050 hci->bdaddr_set(hci, bdaddr.b);
2052 hci_table[nb_hcis++] = hci;
2054 return 0;
2057 static void bt_vhci_add(int vlan_id)
2059 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
2061 if (!vlan->slave)
2062 fprintf(stderr, "qemu: warning: adding a VHCI to "
2063 "an empty scatternet %i\n", vlan_id);
2065 bt_vhci_init(bt_new_hci(vlan));
2068 static struct bt_device_s *bt_device_add(const char *opt)
2070 struct bt_scatternet_s *vlan;
2071 int vlan_id = 0;
2072 char *endp = strstr(opt, ",vlan=");
2073 int len = (endp ? endp - opt : strlen(opt)) + 1;
2074 char devname[10];
2076 pstrcpy(devname, MIN(sizeof(devname), len), opt);
2078 if (endp) {
2079 vlan_id = strtol(endp + 6, &endp, 0);
2080 if (*endp) {
2081 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
2082 return 0;
2086 vlan = qemu_find_bt_vlan(vlan_id);
2088 if (!vlan->slave)
2089 fprintf(stderr, "qemu: warning: adding a slave device to "
2090 "an empty scatternet %i\n", vlan_id);
2092 if (!strcmp(devname, "keyboard"))
2093 return bt_keyboard_init(vlan);
2095 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
2096 return 0;
2099 static int bt_parse(const char *opt)
2101 const char *endp, *p;
2102 int vlan;
2104 if (strstart(opt, "hci", &endp)) {
2105 if (!*endp || *endp == ',') {
2106 if (*endp)
2107 if (!strstart(endp, ",vlan=", 0))
2108 opt = endp + 1;
2110 return bt_hci_parse(opt);
2112 } else if (strstart(opt, "vhci", &endp)) {
2113 if (!*endp || *endp == ',') {
2114 if (*endp) {
2115 if (strstart(endp, ",vlan=", &p)) {
2116 vlan = strtol(p, (char **) &endp, 0);
2117 if (*endp) {
2118 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
2119 return 1;
2121 } else {
2122 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
2123 return 1;
2125 } else
2126 vlan = 0;
2128 bt_vhci_add(vlan);
2129 return 0;
2131 } else if (strstart(opt, "device:", &endp))
2132 return !bt_device_add(endp);
2134 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
2135 return 1;
2138 /***********************************************************/
2139 /* QEMU Block devices */
2141 #define HD_ALIAS "index=%d,media=disk"
2142 #ifdef TARGET_PPC
2143 #define CDROM_ALIAS "index=1,media=cdrom"
2144 #else
2145 #define CDROM_ALIAS "index=2,media=cdrom"
2146 #endif
2147 #define FD_ALIAS "index=%d,if=floppy"
2148 #define PFLASH_ALIAS "if=pflash"
2149 #define MTD_ALIAS "if=mtd"
2150 #define SD_ALIAS "index=0,if=sd"
2152 static int drive_add(const char *file, const char *fmt, ...)
2154 va_list ap;
2156 if (nb_drives_opt >= MAX_DRIVES) {
2157 fprintf(stderr, "qemu: too many drives\n");
2158 exit(1);
2161 drives_opt[nb_drives_opt].file = file;
2162 va_start(ap, fmt);
2163 vsnprintf(drives_opt[nb_drives_opt].opt,
2164 sizeof(drives_opt[0].opt), fmt, ap);
2165 va_end(ap);
2167 return nb_drives_opt++;
2170 int drive_get_index(BlockInterfaceType type, int bus, int unit)
2172 int index;
2174 /* seek interface, bus and unit */
2176 for (index = 0; index < nb_drives; index++)
2177 if (drives_table[index].type == type &&
2178 drives_table[index].bus == bus &&
2179 drives_table[index].unit == unit)
2180 return index;
2182 return -1;
2185 int drive_get_max_bus(BlockInterfaceType type)
2187 int max_bus;
2188 int index;
2190 max_bus = -1;
2191 for (index = 0; index < nb_drives; index++) {
2192 if(drives_table[index].type == type &&
2193 drives_table[index].bus > max_bus)
2194 max_bus = drives_table[index].bus;
2196 return max_bus;
2199 const char *drive_get_serial(BlockDriverState *bdrv)
2201 int index;
2203 for (index = 0; index < nb_drives; index++)
2204 if (drives_table[index].bdrv == bdrv)
2205 return drives_table[index].serial;
2207 return "\0";
2210 static void bdrv_format_print(void *opaque, const char *name)
2212 fprintf(stderr, " %s", name);
2215 static int drive_init(struct drive_opt *arg, int snapshot,
2216 QEMUMachine *machine)
2218 char buf[128];
2219 char file[1024];
2220 char devname[128];
2221 char serial[21];
2222 const char *mediastr = "";
2223 BlockInterfaceType type;
2224 enum { MEDIA_DISK, MEDIA_CDROM } media;
2225 int bus_id, unit_id;
2226 int cyls, heads, secs, translation;
2227 BlockDriverState *bdrv;
2228 BlockDriver *drv = NULL;
2229 int max_devs;
2230 int index;
2231 int cache;
2232 int bdrv_flags;
2233 char *str = arg->opt;
2234 static const char * const params[] = { "bus", "unit", "if", "index",
2235 "cyls", "heads", "secs", "trans",
2236 "media", "snapshot", "file",
2237 "cache", "format", "serial", NULL };
2239 if (check_params(buf, sizeof(buf), params, str) < 0) {
2240 fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
2241 buf, str);
2242 return -1;
2245 file[0] = 0;
2246 cyls = heads = secs = 0;
2247 bus_id = 0;
2248 unit_id = -1;
2249 translation = BIOS_ATA_TRANSLATION_AUTO;
2250 index = -1;
2251 cache = 3;
2253 if (machine->use_scsi) {
2254 type = IF_SCSI;
2255 max_devs = MAX_SCSI_DEVS;
2256 pstrcpy(devname, sizeof(devname), "scsi");
2257 } else {
2258 type = IF_IDE;
2259 max_devs = MAX_IDE_DEVS;
2260 pstrcpy(devname, sizeof(devname), "ide");
2262 media = MEDIA_DISK;
2264 /* extract parameters */
2266 if (get_param_value(buf, sizeof(buf), "bus", str)) {
2267 bus_id = strtol(buf, NULL, 0);
2268 if (bus_id < 0) {
2269 fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
2270 return -1;
2274 if (get_param_value(buf, sizeof(buf), "unit", str)) {
2275 unit_id = strtol(buf, NULL, 0);
2276 if (unit_id < 0) {
2277 fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
2278 return -1;
2282 if (get_param_value(buf, sizeof(buf), "if", str)) {
2283 pstrcpy(devname, sizeof(devname), buf);
2284 if (!strcmp(buf, "ide")) {
2285 type = IF_IDE;
2286 max_devs = MAX_IDE_DEVS;
2287 } else if (!strcmp(buf, "scsi")) {
2288 type = IF_SCSI;
2289 max_devs = MAX_SCSI_DEVS;
2290 } else if (!strcmp(buf, "floppy")) {
2291 type = IF_FLOPPY;
2292 max_devs = 0;
2293 } else if (!strcmp(buf, "pflash")) {
2294 type = IF_PFLASH;
2295 max_devs = 0;
2296 } else if (!strcmp(buf, "mtd")) {
2297 type = IF_MTD;
2298 max_devs = 0;
2299 } else if (!strcmp(buf, "sd")) {
2300 type = IF_SD;
2301 max_devs = 0;
2302 } else if (!strcmp(buf, "virtio")) {
2303 type = IF_VIRTIO;
2304 max_devs = 0;
2305 } else {
2306 fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
2307 return -1;
2311 if (get_param_value(buf, sizeof(buf), "index", str)) {
2312 index = strtol(buf, NULL, 0);
2313 if (index < 0) {
2314 fprintf(stderr, "qemu: '%s' invalid index\n", str);
2315 return -1;
2319 if (get_param_value(buf, sizeof(buf), "cyls", str)) {
2320 cyls = strtol(buf, NULL, 0);
2323 if (get_param_value(buf, sizeof(buf), "heads", str)) {
2324 heads = strtol(buf, NULL, 0);
2327 if (get_param_value(buf, sizeof(buf), "secs", str)) {
2328 secs = strtol(buf, NULL, 0);
2331 if (cyls || heads || secs) {
2332 if (cyls < 1 || cyls > 16383) {
2333 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
2334 return -1;
2336 if (heads < 1 || heads > 16) {
2337 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
2338 return -1;
2340 if (secs < 1 || secs > 63) {
2341 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
2342 return -1;
2346 if (get_param_value(buf, sizeof(buf), "trans", str)) {
2347 if (!cyls) {
2348 fprintf(stderr,
2349 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2350 str);
2351 return -1;
2353 if (!strcmp(buf, "none"))
2354 translation = BIOS_ATA_TRANSLATION_NONE;
2355 else if (!strcmp(buf, "lba"))
2356 translation = BIOS_ATA_TRANSLATION_LBA;
2357 else if (!strcmp(buf, "auto"))
2358 translation = BIOS_ATA_TRANSLATION_AUTO;
2359 else {
2360 fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
2361 return -1;
2365 if (get_param_value(buf, sizeof(buf), "media", str)) {
2366 if (!strcmp(buf, "disk")) {
2367 media = MEDIA_DISK;
2368 } else if (!strcmp(buf, "cdrom")) {
2369 if (cyls || secs || heads) {
2370 fprintf(stderr,
2371 "qemu: '%s' invalid physical CHS format\n", str);
2372 return -1;
2374 media = MEDIA_CDROM;
2375 } else {
2376 fprintf(stderr, "qemu: '%s' invalid media\n", str);
2377 return -1;
2381 if (get_param_value(buf, sizeof(buf), "snapshot", str)) {
2382 if (!strcmp(buf, "on"))
2383 snapshot = 1;
2384 else if (!strcmp(buf, "off"))
2385 snapshot = 0;
2386 else {
2387 fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
2388 return -1;
2392 if (get_param_value(buf, sizeof(buf), "cache", str)) {
2393 if (!strcmp(buf, "off") || !strcmp(buf, "none"))
2394 cache = 0;
2395 else if (!strcmp(buf, "writethrough"))
2396 cache = 1;
2397 else if (!strcmp(buf, "writeback"))
2398 cache = 2;
2399 else {
2400 fprintf(stderr, "qemu: invalid cache option\n");
2401 return -1;
2405 if (get_param_value(buf, sizeof(buf), "format", str)) {
2406 if (strcmp(buf, "?") == 0) {
2407 fprintf(stderr, "qemu: Supported formats:");
2408 bdrv_iterate_format(bdrv_format_print, NULL);
2409 fprintf(stderr, "\n");
2410 return -1;
2412 drv = bdrv_find_format(buf);
2413 if (!drv) {
2414 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
2415 return -1;
2419 if (arg->file == NULL)
2420 get_param_value(file, sizeof(file), "file", str);
2421 else
2422 pstrcpy(file, sizeof(file), arg->file);
2424 if (!get_param_value(serial, sizeof(serial), "serial", str))
2425 memset(serial, 0, sizeof(serial));
2427 /* compute bus and unit according index */
2429 if (index != -1) {
2430 if (bus_id != 0 || unit_id != -1) {
2431 fprintf(stderr,
2432 "qemu: '%s' index cannot be used with bus and unit\n", str);
2433 return -1;
2435 if (max_devs == 0)
2437 unit_id = index;
2438 bus_id = 0;
2439 } else {
2440 unit_id = index % max_devs;
2441 bus_id = index / max_devs;
2445 /* if user doesn't specify a unit_id,
2446 * try to find the first free
2449 if (unit_id == -1) {
2450 unit_id = 0;
2451 while (drive_get_index(type, bus_id, unit_id) != -1) {
2452 unit_id++;
2453 if (max_devs && unit_id >= max_devs) {
2454 unit_id -= max_devs;
2455 bus_id++;
2460 /* check unit id */
2462 if (max_devs && unit_id >= max_devs) {
2463 fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
2464 str, unit_id, max_devs - 1);
2465 return -1;
2469 * ignore multiple definitions
2472 if (drive_get_index(type, bus_id, unit_id) != -1)
2473 return 0;
2475 /* init */
2477 if (type == IF_IDE || type == IF_SCSI)
2478 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
2479 if (max_devs)
2480 snprintf(buf, sizeof(buf), "%s%i%s%i",
2481 devname, bus_id, mediastr, unit_id);
2482 else
2483 snprintf(buf, sizeof(buf), "%s%s%i",
2484 devname, mediastr, unit_id);
2485 bdrv = bdrv_new(buf);
2486 drives_table[nb_drives].bdrv = bdrv;
2487 drives_table[nb_drives].type = type;
2488 drives_table[nb_drives].bus = bus_id;
2489 drives_table[nb_drives].unit = unit_id;
2490 strncpy(drives_table[nb_drives].serial, serial, sizeof(serial));
2491 nb_drives++;
2493 switch(type) {
2494 case IF_IDE:
2495 case IF_SCSI:
2496 switch(media) {
2497 case MEDIA_DISK:
2498 if (cyls != 0) {
2499 bdrv_set_geometry_hint(bdrv, cyls, heads, secs);
2500 bdrv_set_translation_hint(bdrv, translation);
2502 break;
2503 case MEDIA_CDROM:
2504 bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
2505 break;
2507 break;
2508 case IF_SD:
2509 /* FIXME: This isn't really a floppy, but it's a reasonable
2510 approximation. */
2511 case IF_FLOPPY:
2512 bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY);
2513 break;
2514 case IF_PFLASH:
2515 case IF_MTD:
2516 case IF_VIRTIO:
2517 break;
2519 if (!file[0])
2520 return 0;
2521 bdrv_flags = 0;
2522 if (snapshot) {
2523 bdrv_flags |= BDRV_O_SNAPSHOT;
2524 cache = 2; /* always use write-back with snapshot */
2526 if (cache == 0) /* no caching */
2527 bdrv_flags |= BDRV_O_NOCACHE;
2528 else if (cache == 2) /* write-back */
2529 bdrv_flags |= BDRV_O_CACHE_WB;
2530 else if (cache == 3) /* not specified */
2531 bdrv_flags |= BDRV_O_CACHE_DEF;
2532 if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) {
2533 fprintf(stderr, "qemu: could not open disk image %s\n",
2534 file);
2535 return -1;
2537 return 0;
2540 /***********************************************************/
2541 /* USB devices */
2543 static USBPort *used_usb_ports;
2544 static USBPort *free_usb_ports;
2546 /* ??? Maybe change this to register a hub to keep track of the topology. */
2547 void qemu_register_usb_port(USBPort *port, void *opaque, int index,
2548 usb_attachfn attach)
2550 port->opaque = opaque;
2551 port->index = index;
2552 port->attach = attach;
2553 port->next = free_usb_ports;
2554 free_usb_ports = port;
2557 int usb_device_add_dev(USBDevice *dev)
2559 USBPort *port;
2561 /* Find a USB port to add the device to. */
2562 port = free_usb_ports;
2563 if (!port->next) {
2564 USBDevice *hub;
2566 /* Create a new hub and chain it on. */
2567 free_usb_ports = NULL;
2568 port->next = used_usb_ports;
2569 used_usb_ports = port;
2571 hub = usb_hub_init(VM_USB_HUB_SIZE);
2572 usb_attach(port, hub);
2573 port = free_usb_ports;
2576 free_usb_ports = port->next;
2577 port->next = used_usb_ports;
2578 used_usb_ports = port;
2579 usb_attach(port, dev);
2580 return 0;
2583 static int usb_device_add(const char *devname)
2585 const char *p;
2586 USBDevice *dev;
2588 if (!free_usb_ports)
2589 return -1;
2591 if (strstart(devname, "host:", &p)) {
2592 dev = usb_host_device_open(p);
2593 } else if (!strcmp(devname, "mouse")) {
2594 dev = usb_mouse_init();
2595 } else if (!strcmp(devname, "tablet")) {
2596 dev = usb_tablet_init();
2597 } else if (!strcmp(devname, "keyboard")) {
2598 dev = usb_keyboard_init();
2599 } else if (strstart(devname, "disk:", &p)) {
2600 dev = usb_msd_init(p);
2601 } else if (!strcmp(devname, "wacom-tablet")) {
2602 dev = usb_wacom_init();
2603 } else if (strstart(devname, "serial:", &p)) {
2604 dev = usb_serial_init(p);
2605 #ifdef CONFIG_BRLAPI
2606 } else if (!strcmp(devname, "braille")) {
2607 dev = usb_baum_init();
2608 #endif
2609 } else if (strstart(devname, "net:", &p)) {
2610 int nic = nb_nics;
2612 if (net_client_init("nic", p) < 0)
2613 return -1;
2614 nd_table[nic].model = "usb";
2615 dev = usb_net_init(&nd_table[nic]);
2616 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
2617 dev = usb_bt_init(devname[2] ? hci_init(p) :
2618 bt_new_hci(qemu_find_bt_vlan(0)));
2619 } else {
2620 return -1;
2622 if (!dev)
2623 return -1;
2625 return usb_device_add_dev(dev);
2628 int usb_device_del_addr(int bus_num, int addr)
2630 USBPort *port;
2631 USBPort **lastp;
2632 USBDevice *dev;
2634 if (!used_usb_ports)
2635 return -1;
2637 if (bus_num != 0)
2638 return -1;
2640 lastp = &used_usb_ports;
2641 port = used_usb_ports;
2642 while (port && port->dev->addr != addr) {
2643 lastp = &port->next;
2644 port = port->next;
2647 if (!port)
2648 return -1;
2650 dev = port->dev;
2651 *lastp = port->next;
2652 usb_attach(port, NULL);
2653 dev->handle_destroy(dev);
2654 port->next = free_usb_ports;
2655 free_usb_ports = port;
2656 return 0;
2659 static int usb_device_del(const char *devname)
2661 int bus_num, addr;
2662 const char *p;
2664 if (strstart(devname, "host:", &p))
2665 return usb_host_device_close(p);
2667 if (!used_usb_ports)
2668 return -1;
2670 p = strchr(devname, '.');
2671 if (!p)
2672 return -1;
2673 bus_num = strtoul(devname, NULL, 0);
2674 addr = strtoul(p + 1, NULL, 0);
2676 return usb_device_del_addr(bus_num, addr);
2679 void do_usb_add(const char *devname)
2681 usb_device_add(devname);
2684 void do_usb_del(const char *devname)
2686 usb_device_del(devname);
2689 void usb_info(void)
2691 USBDevice *dev;
2692 USBPort *port;
2693 const char *speed_str;
2695 if (!usb_enabled) {
2696 term_printf("USB support not enabled\n");
2697 return;
2700 for (port = used_usb_ports; port; port = port->next) {
2701 dev = port->dev;
2702 if (!dev)
2703 continue;
2704 switch(dev->speed) {
2705 case USB_SPEED_LOW:
2706 speed_str = "1.5";
2707 break;
2708 case USB_SPEED_FULL:
2709 speed_str = "12";
2710 break;
2711 case USB_SPEED_HIGH:
2712 speed_str = "480";
2713 break;
2714 default:
2715 speed_str = "?";
2716 break;
2718 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
2719 0, dev->addr, speed_str, dev->devname);
2723 /***********************************************************/
2724 /* PCMCIA/Cardbus */
2726 static struct pcmcia_socket_entry_s {
2727 struct pcmcia_socket_s *socket;
2728 struct pcmcia_socket_entry_s *next;
2729 } *pcmcia_sockets = 0;
2731 void pcmcia_socket_register(struct pcmcia_socket_s *socket)
2733 struct pcmcia_socket_entry_s *entry;
2735 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
2736 entry->socket = socket;
2737 entry->next = pcmcia_sockets;
2738 pcmcia_sockets = entry;
2741 void pcmcia_socket_unregister(struct pcmcia_socket_s *socket)
2743 struct pcmcia_socket_entry_s *entry, **ptr;
2745 ptr = &pcmcia_sockets;
2746 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
2747 if (entry->socket == socket) {
2748 *ptr = entry->next;
2749 qemu_free(entry);
2753 void pcmcia_info(void)
2755 struct pcmcia_socket_entry_s *iter;
2756 if (!pcmcia_sockets)
2757 term_printf("No PCMCIA sockets\n");
2759 for (iter = pcmcia_sockets; iter; iter = iter->next)
2760 term_printf("%s: %s\n", iter->socket->slot_string,
2761 iter->socket->attached ? iter->socket->card_string :
2762 "Empty");
2765 /***********************************************************/
2766 /* dumb display */
2768 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
2772 static void dumb_resize(DisplayState *ds, int w, int h)
2776 static void dumb_display_init(DisplayState *ds)
2778 ds->data = NULL;
2779 ds->linesize = 0;
2780 ds->depth = 0;
2781 ds->dpy_update = dumb_update;
2782 ds->dpy_resize = dumb_resize;
2783 ds->dpy_refresh = NULL;
2784 ds->gui_timer_interval = 0;
2785 ds->idle = 1;
2788 /***********************************************************/
2789 /* I/O handling */
2791 #define MAX_IO_HANDLERS 64
2793 typedef struct IOHandlerRecord {
2794 int fd;
2795 IOCanRWHandler *fd_read_poll;
2796 IOHandler *fd_read;
2797 IOHandler *fd_write;
2798 int deleted;
2799 void *opaque;
2800 /* temporary data */
2801 struct pollfd *ufd;
2802 struct IOHandlerRecord *next;
2803 } IOHandlerRecord;
2805 static IOHandlerRecord *first_io_handler;
2807 /* XXX: fd_read_poll should be suppressed, but an API change is
2808 necessary in the character devices to suppress fd_can_read(). */
2809 int qemu_set_fd_handler2(int fd,
2810 IOCanRWHandler *fd_read_poll,
2811 IOHandler *fd_read,
2812 IOHandler *fd_write,
2813 void *opaque)
2815 IOHandlerRecord **pioh, *ioh;
2817 if (!fd_read && !fd_write) {
2818 pioh = &first_io_handler;
2819 for(;;) {
2820 ioh = *pioh;
2821 if (ioh == NULL)
2822 break;
2823 if (ioh->fd == fd) {
2824 ioh->deleted = 1;
2825 break;
2827 pioh = &ioh->next;
2829 } else {
2830 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2831 if (ioh->fd == fd)
2832 goto found;
2834 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
2835 if (!ioh)
2836 return -1;
2837 ioh->next = first_io_handler;
2838 first_io_handler = ioh;
2839 found:
2840 ioh->fd = fd;
2841 ioh->fd_read_poll = fd_read_poll;
2842 ioh->fd_read = fd_read;
2843 ioh->fd_write = fd_write;
2844 ioh->opaque = opaque;
2845 ioh->deleted = 0;
2847 return 0;
2850 int qemu_set_fd_handler(int fd,
2851 IOHandler *fd_read,
2852 IOHandler *fd_write,
2853 void *opaque)
2855 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
2858 #ifdef _WIN32
2859 /***********************************************************/
2860 /* Polling handling */
2862 typedef struct PollingEntry {
2863 PollingFunc *func;
2864 void *opaque;
2865 struct PollingEntry *next;
2866 } PollingEntry;
2868 static PollingEntry *first_polling_entry;
2870 int qemu_add_polling_cb(PollingFunc *func, void *opaque)
2872 PollingEntry **ppe, *pe;
2873 pe = qemu_mallocz(sizeof(PollingEntry));
2874 if (!pe)
2875 return -1;
2876 pe->func = func;
2877 pe->opaque = opaque;
2878 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
2879 *ppe = pe;
2880 return 0;
2883 void qemu_del_polling_cb(PollingFunc *func, void *opaque)
2885 PollingEntry **ppe, *pe;
2886 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
2887 pe = *ppe;
2888 if (pe->func == func && pe->opaque == opaque) {
2889 *ppe = pe->next;
2890 qemu_free(pe);
2891 break;
2896 /***********************************************************/
2897 /* Wait objects support */
2898 typedef struct WaitObjects {
2899 int num;
2900 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
2901 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
2902 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
2903 } WaitObjects;
2905 static WaitObjects wait_objects = {0};
2907 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2909 WaitObjects *w = &wait_objects;
2911 if (w->num >= MAXIMUM_WAIT_OBJECTS)
2912 return -1;
2913 w->events[w->num] = handle;
2914 w->func[w->num] = func;
2915 w->opaque[w->num] = opaque;
2916 w->num++;
2917 return 0;
2920 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2922 int i, found;
2923 WaitObjects *w = &wait_objects;
2925 found = 0;
2926 for (i = 0; i < w->num; i++) {
2927 if (w->events[i] == handle)
2928 found = 1;
2929 if (found) {
2930 w->events[i] = w->events[i + 1];
2931 w->func[i] = w->func[i + 1];
2932 w->opaque[i] = w->opaque[i + 1];
2935 if (found)
2936 w->num--;
2938 #endif
2940 /***********************************************************/
2941 /* ram save/restore */
2943 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
2945 int v;
2947 v = qemu_get_byte(f);
2948 switch(v) {
2949 case 0:
2950 if (qemu_get_buffer(f, buf, len) != len)
2951 return -EIO;
2952 break;
2953 case 1:
2954 v = qemu_get_byte(f);
2955 memset(buf, v, len);
2956 break;
2957 default:
2958 return -EINVAL;
2961 if (qemu_file_has_error(f))
2962 return -EIO;
2964 return 0;
2967 static int ram_load_v1(QEMUFile *f, void *opaque)
2969 int ret;
2970 ram_addr_t i;
2972 if (qemu_get_be32(f) != phys_ram_size)
2973 return -EINVAL;
2974 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
2975 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
2976 if (ret)
2977 return ret;
2979 return 0;
2982 #define BDRV_HASH_BLOCK_SIZE 1024
2983 #define IOBUF_SIZE 4096
2984 #define RAM_CBLOCK_MAGIC 0xfabe
2986 typedef struct RamDecompressState {
2987 z_stream zstream;
2988 QEMUFile *f;
2989 uint8_t buf[IOBUF_SIZE];
2990 } RamDecompressState;
2992 static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
2994 int ret;
2995 memset(s, 0, sizeof(*s));
2996 s->f = f;
2997 ret = inflateInit(&s->zstream);
2998 if (ret != Z_OK)
2999 return -1;
3000 return 0;
3003 static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
3005 int ret, clen;
3007 s->zstream.avail_out = len;
3008 s->zstream.next_out = buf;
3009 while (s->zstream.avail_out > 0) {
3010 if (s->zstream.avail_in == 0) {
3011 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
3012 return -1;
3013 clen = qemu_get_be16(s->f);
3014 if (clen > IOBUF_SIZE)
3015 return -1;
3016 qemu_get_buffer(s->f, s->buf, clen);
3017 s->zstream.avail_in = clen;
3018 s->zstream.next_in = s->buf;
3020 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
3021 if (ret != Z_OK && ret != Z_STREAM_END) {
3022 return -1;
3025 return 0;
3028 static void ram_decompress_close(RamDecompressState *s)
3030 inflateEnd(&s->zstream);
3033 #define RAM_SAVE_FLAG_FULL 0x01
3034 #define RAM_SAVE_FLAG_COMPRESS 0x02
3035 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
3036 #define RAM_SAVE_FLAG_PAGE 0x08
3037 #define RAM_SAVE_FLAG_EOS 0x10
3039 static int is_dup_page(uint8_t *page, uint8_t ch)
3041 uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
3042 uint32_t *array = (uint32_t *)page;
3043 int i;
3045 for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
3046 if (array[i] != val)
3047 return 0;
3050 return 1;
3053 static int ram_save_block(QEMUFile *f)
3055 static ram_addr_t current_addr = 0;
3056 ram_addr_t saved_addr = current_addr;
3057 ram_addr_t addr = 0;
3058 int found = 0;
3060 while (addr < phys_ram_size) {
3061 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
3062 uint8_t ch;
3064 cpu_physical_memory_reset_dirty(current_addr,
3065 current_addr + TARGET_PAGE_SIZE,
3066 MIGRATION_DIRTY_FLAG);
3068 ch = *(phys_ram_base + current_addr);
3070 if (is_dup_page(phys_ram_base + current_addr, ch)) {
3071 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
3072 qemu_put_byte(f, ch);
3073 } else {
3074 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
3075 qemu_put_buffer(f, phys_ram_base + current_addr, TARGET_PAGE_SIZE);
3078 found = 1;
3079 break;
3081 addr += TARGET_PAGE_SIZE;
3082 current_addr = (saved_addr + addr) % phys_ram_size;
3085 return found;
3088 static ram_addr_t ram_save_threshold = 10;
3090 static ram_addr_t ram_save_remaining(void)
3092 ram_addr_t addr;
3093 ram_addr_t count = 0;
3095 for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
3096 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
3097 count++;
3100 return count;
3103 static int ram_save_live(QEMUFile *f, int stage, void *opaque)
3105 ram_addr_t addr;
3107 if (stage == 1) {
3108 /* Make sure all dirty bits are set */
3109 for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
3110 if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
3111 cpu_physical_memory_set_dirty(addr);
3114 /* Enable dirty memory tracking */
3115 cpu_physical_memory_set_dirty_tracking(1);
3117 qemu_put_be64(f, phys_ram_size | RAM_SAVE_FLAG_MEM_SIZE);
3120 while (!qemu_file_rate_limit(f)) {
3121 int ret;
3123 ret = ram_save_block(f);
3124 if (ret == 0) /* no more blocks */
3125 break;
3128 /* try transferring iterative blocks of memory */
3130 if (stage == 3) {
3131 cpu_physical_memory_set_dirty_tracking(0);
3133 /* flush all remaining blocks regardless of rate limiting */
3134 while (ram_save_block(f) != 0);
3137 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
3139 return (stage == 2) && (ram_save_remaining() < ram_save_threshold);
3142 static int ram_load_dead(QEMUFile *f, void *opaque)
3144 RamDecompressState s1, *s = &s1;
3145 uint8_t buf[10];
3146 ram_addr_t i;
3148 if (ram_decompress_open(s, f) < 0)
3149 return -EINVAL;
3150 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
3151 if (ram_decompress_buf(s, buf, 1) < 0) {
3152 fprintf(stderr, "Error while reading ram block header\n");
3153 goto error;
3155 if (buf[0] == 0) {
3156 if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
3157 fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
3158 goto error;
3160 } else {
3161 error:
3162 printf("Error block header\n");
3163 return -EINVAL;
3166 ram_decompress_close(s);
3168 return 0;
3171 static int ram_load(QEMUFile *f, void *opaque, int version_id)
3173 ram_addr_t addr;
3174 int flags;
3176 if (version_id == 1)
3177 return ram_load_v1(f, opaque);
3179 if (version_id == 2) {
3180 if (qemu_get_be32(f) != phys_ram_size)
3181 return -EINVAL;
3182 return ram_load_dead(f, opaque);
3185 if (version_id != 3)
3186 return -EINVAL;
3188 do {
3189 addr = qemu_get_be64(f);
3191 flags = addr & ~TARGET_PAGE_MASK;
3192 addr &= TARGET_PAGE_MASK;
3194 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
3195 if (addr != phys_ram_size)
3196 return -EINVAL;
3199 if (flags & RAM_SAVE_FLAG_FULL) {
3200 if (ram_load_dead(f, opaque) < 0)
3201 return -EINVAL;
3204 if (flags & RAM_SAVE_FLAG_COMPRESS) {
3205 uint8_t ch = qemu_get_byte(f);
3206 memset(phys_ram_base + addr, ch, TARGET_PAGE_SIZE);
3207 } else if (flags & RAM_SAVE_FLAG_PAGE)
3208 qemu_get_buffer(f, phys_ram_base + addr, TARGET_PAGE_SIZE);
3209 } while (!(flags & RAM_SAVE_FLAG_EOS));
3211 return 0;
3214 void qemu_service_io(void)
3216 CPUState *env = cpu_single_env;
3217 if (env) {
3218 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
3219 #ifdef USE_KQEMU
3220 if (env->kqemu_enabled) {
3221 kqemu_cpu_interrupt(env);
3223 #endif
3227 /***********************************************************/
3228 /* bottom halves (can be seen as timers which expire ASAP) */
3230 struct QEMUBH {
3231 QEMUBHFunc *cb;
3232 void *opaque;
3233 int scheduled;
3234 int idle;
3235 int deleted;
3236 QEMUBH *next;
3239 static QEMUBH *first_bh = NULL;
3241 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
3243 QEMUBH *bh;
3244 bh = qemu_mallocz(sizeof(QEMUBH));
3245 if (!bh)
3246 return NULL;
3247 bh->cb = cb;
3248 bh->opaque = opaque;
3249 bh->next = first_bh;
3250 first_bh = bh;
3251 return bh;
3254 int qemu_bh_poll(void)
3256 QEMUBH *bh, **bhp;
3257 int ret;
3259 ret = 0;
3260 for (bh = first_bh; bh; bh = bh->next) {
3261 if (!bh->deleted && bh->scheduled) {
3262 bh->scheduled = 0;
3263 if (!bh->idle)
3264 ret = 1;
3265 bh->idle = 0;
3266 bh->cb(bh->opaque);
3270 /* remove deleted bhs */
3271 bhp = &first_bh;
3272 while (*bhp) {
3273 bh = *bhp;
3274 if (bh->deleted) {
3275 *bhp = bh->next;
3276 qemu_free(bh);
3277 } else
3278 bhp = &bh->next;
3281 return ret;
3284 void qemu_bh_schedule_idle(QEMUBH *bh)
3286 if (bh->scheduled)
3287 return;
3288 bh->scheduled = 1;
3289 bh->idle = 1;
3292 void qemu_bh_schedule(QEMUBH *bh)
3294 CPUState *env = cpu_single_env;
3295 if (bh->scheduled)
3296 return;
3297 bh->scheduled = 1;
3298 bh->idle = 0;
3299 /* stop the currently executing CPU to execute the BH ASAP */
3300 if (env) {
3301 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
3305 void qemu_bh_cancel(QEMUBH *bh)
3307 bh->scheduled = 0;
3310 void qemu_bh_delete(QEMUBH *bh)
3312 bh->scheduled = 0;
3313 bh->deleted = 1;
3316 static void qemu_bh_update_timeout(int *timeout)
3318 QEMUBH *bh;
3320 for (bh = first_bh; bh; bh = bh->next) {
3321 if (!bh->deleted && bh->scheduled) {
3322 if (bh->idle) {
3323 /* idle bottom halves will be polled at least
3324 * every 10ms */
3325 *timeout = MIN(10, *timeout);
3326 } else {
3327 /* non-idle bottom halves will be executed
3328 * immediately */
3329 *timeout = 0;
3330 break;
3336 /***********************************************************/
3337 /* machine registration */
3339 static QEMUMachine *first_machine = NULL;
3341 int qemu_register_machine(QEMUMachine *m)
3343 QEMUMachine **pm;
3344 pm = &first_machine;
3345 while (*pm != NULL)
3346 pm = &(*pm)->next;
3347 m->next = NULL;
3348 *pm = m;
3349 return 0;
3352 static QEMUMachine *find_machine(const char *name)
3354 QEMUMachine *m;
3356 for(m = first_machine; m != NULL; m = m->next) {
3357 if (!strcmp(m->name, name))
3358 return m;
3360 return NULL;
3363 /***********************************************************/
3364 /* main execution loop */
3366 static void gui_update(void *opaque)
3368 DisplayState *ds = opaque;
3369 ds->dpy_refresh(ds);
3370 qemu_mod_timer(ds->gui_timer,
3371 (ds->gui_timer_interval ?
3372 ds->gui_timer_interval :
3373 GUI_REFRESH_INTERVAL)
3374 + qemu_get_clock(rt_clock));
3377 struct vm_change_state_entry {
3378 VMChangeStateHandler *cb;
3379 void *opaque;
3380 LIST_ENTRY (vm_change_state_entry) entries;
3383 static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
3385 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
3386 void *opaque)
3388 VMChangeStateEntry *e;
3390 e = qemu_mallocz(sizeof (*e));
3391 if (!e)
3392 return NULL;
3394 e->cb = cb;
3395 e->opaque = opaque;
3396 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
3397 return e;
3400 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
3402 LIST_REMOVE (e, entries);
3403 qemu_free (e);
3406 static void vm_state_notify(int running)
3408 VMChangeStateEntry *e;
3410 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
3411 e->cb(e->opaque, running);
3415 /* XXX: support several handlers */
3416 static VMStopHandler *vm_stop_cb;
3417 static void *vm_stop_opaque;
3419 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
3421 vm_stop_cb = cb;
3422 vm_stop_opaque = opaque;
3423 return 0;
3426 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
3428 vm_stop_cb = NULL;
3431 void vm_start(void)
3433 if (!vm_running) {
3434 cpu_enable_ticks();
3435 vm_running = 1;
3436 vm_state_notify(1);
3437 qemu_rearm_alarm_timer(alarm_timer);
3441 void vm_stop(int reason)
3443 if (vm_running) {
3444 cpu_disable_ticks();
3445 vm_running = 0;
3446 if (reason != 0) {
3447 if (vm_stop_cb) {
3448 vm_stop_cb(vm_stop_opaque, reason);
3451 vm_state_notify(0);
3455 /* reset/shutdown handler */
3457 typedef struct QEMUResetEntry {
3458 QEMUResetHandler *func;
3459 void *opaque;
3460 struct QEMUResetEntry *next;
3461 } QEMUResetEntry;
3463 static QEMUResetEntry *first_reset_entry;
3464 static int reset_requested;
3465 static int shutdown_requested;
3466 static int powerdown_requested;
3468 int qemu_shutdown_requested(void)
3470 int r = shutdown_requested;
3471 shutdown_requested = 0;
3472 return r;
3475 int qemu_reset_requested(void)
3477 int r = reset_requested;
3478 reset_requested = 0;
3479 return r;
3482 int qemu_powerdown_requested(void)
3484 int r = powerdown_requested;
3485 powerdown_requested = 0;
3486 return r;
3489 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
3491 QEMUResetEntry **pre, *re;
3493 pre = &first_reset_entry;
3494 while (*pre != NULL)
3495 pre = &(*pre)->next;
3496 re = qemu_mallocz(sizeof(QEMUResetEntry));
3497 re->func = func;
3498 re->opaque = opaque;
3499 re->next = NULL;
3500 *pre = re;
3503 void qemu_system_reset(void)
3505 QEMUResetEntry *re;
3507 /* reset all devices */
3508 for(re = first_reset_entry; re != NULL; re = re->next) {
3509 re->func(re->opaque);
3513 void qemu_system_reset_request(void)
3515 if (no_reboot) {
3516 shutdown_requested = 1;
3517 } else {
3518 reset_requested = 1;
3520 if (cpu_single_env)
3521 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
3524 void qemu_system_shutdown_request(void)
3526 shutdown_requested = 1;
3527 if (cpu_single_env)
3528 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
3531 void qemu_system_powerdown_request(void)
3533 powerdown_requested = 1;
3534 if (cpu_single_env)
3535 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
3538 #ifdef _WIN32
3539 static void host_main_loop_wait(int *timeout)
3541 int ret, ret2, i;
3542 PollingEntry *pe;
3545 /* XXX: need to suppress polling by better using win32 events */
3546 ret = 0;
3547 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
3548 ret |= pe->func(pe->opaque);
3550 if (ret == 0) {
3551 int err;
3552 WaitObjects *w = &wait_objects;
3554 ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
3555 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
3556 if (w->func[ret - WAIT_OBJECT_0])
3557 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
3559 /* Check for additional signaled events */
3560 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
3562 /* Check if event is signaled */
3563 ret2 = WaitForSingleObject(w->events[i], 0);
3564 if(ret2 == WAIT_OBJECT_0) {
3565 if (w->func[i])
3566 w->func[i](w->opaque[i]);
3567 } else if (ret2 == WAIT_TIMEOUT) {
3568 } else {
3569 err = GetLastError();
3570 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
3573 } else if (ret == WAIT_TIMEOUT) {
3574 } else {
3575 err = GetLastError();
3576 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
3580 *timeout = 0;
3582 #else
3583 static void host_main_loop_wait(int *timeout)
3586 #endif
3588 void main_loop_wait(int timeout)
3590 IOHandlerRecord *ioh;
3591 fd_set rfds, wfds, xfds;
3592 int ret, nfds;
3593 struct timeval tv;
3595 qemu_bh_update_timeout(&timeout);
3597 host_main_loop_wait(&timeout);
3599 /* poll any events */
3600 /* XXX: separate device handlers from system ones */
3601 nfds = -1;
3602 FD_ZERO(&rfds);
3603 FD_ZERO(&wfds);
3604 FD_ZERO(&xfds);
3605 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
3606 if (ioh->deleted)
3607 continue;
3608 if (ioh->fd_read &&
3609 (!ioh->fd_read_poll ||
3610 ioh->fd_read_poll(ioh->opaque) != 0)) {
3611 FD_SET(ioh->fd, &rfds);
3612 if (ioh->fd > nfds)
3613 nfds = ioh->fd;
3615 if (ioh->fd_write) {
3616 FD_SET(ioh->fd, &wfds);
3617 if (ioh->fd > nfds)
3618 nfds = ioh->fd;
3622 tv.tv_sec = timeout / 1000;
3623 tv.tv_usec = (timeout % 1000) * 1000;
3625 #if defined(CONFIG_SLIRP)
3626 if (slirp_is_inited()) {
3627 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
3629 #endif
3630 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
3631 if (ret > 0) {
3632 IOHandlerRecord **pioh;
3634 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
3635 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
3636 ioh->fd_read(ioh->opaque);
3638 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
3639 ioh->fd_write(ioh->opaque);
3643 /* remove deleted IO handlers */
3644 pioh = &first_io_handler;
3645 while (*pioh) {
3646 ioh = *pioh;
3647 if (ioh->deleted) {
3648 *pioh = ioh->next;
3649 qemu_free(ioh);
3650 } else
3651 pioh = &ioh->next;
3654 #if defined(CONFIG_SLIRP)
3655 if (slirp_is_inited()) {
3656 if (ret < 0) {
3657 FD_ZERO(&rfds);
3658 FD_ZERO(&wfds);
3659 FD_ZERO(&xfds);
3661 slirp_select_poll(&rfds, &wfds, &xfds);
3663 #endif
3665 /* vm time timers */
3666 if (vm_running && likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
3667 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
3668 qemu_get_clock(vm_clock));
3670 /* real time timers */
3671 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
3672 qemu_get_clock(rt_clock));
3674 /* Check bottom-halves last in case any of the earlier events triggered
3675 them. */
3676 qemu_bh_poll();
3680 static int main_loop(void)
3682 int ret, timeout;
3683 #ifdef CONFIG_PROFILER
3684 int64_t ti;
3685 #endif
3686 CPUState *env;
3688 cur_cpu = first_cpu;
3689 next_cpu = cur_cpu->next_cpu ?: first_cpu;
3690 for(;;) {
3691 if (vm_running) {
3693 for(;;) {
3694 /* get next cpu */
3695 env = next_cpu;
3696 #ifdef CONFIG_PROFILER
3697 ti = profile_getclock();
3698 #endif
3699 if (use_icount) {
3700 int64_t count;
3701 int decr;
3702 qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
3703 env->icount_decr.u16.low = 0;
3704 env->icount_extra = 0;
3705 count = qemu_next_deadline();
3706 count = (count + (1 << icount_time_shift) - 1)
3707 >> icount_time_shift;
3708 qemu_icount += count;
3709 decr = (count > 0xffff) ? 0xffff : count;
3710 count -= decr;
3711 env->icount_decr.u16.low = decr;
3712 env->icount_extra = count;
3714 ret = cpu_exec(env);
3715 #ifdef CONFIG_PROFILER
3716 qemu_time += profile_getclock() - ti;
3717 #endif
3718 if (use_icount) {
3719 /* Fold pending instructions back into the
3720 instruction counter, and clear the interrupt flag. */
3721 qemu_icount -= (env->icount_decr.u16.low
3722 + env->icount_extra);
3723 env->icount_decr.u32 = 0;
3724 env->icount_extra = 0;
3726 next_cpu = env->next_cpu ?: first_cpu;
3727 if (event_pending && likely(ret != EXCP_DEBUG)) {
3728 ret = EXCP_INTERRUPT;
3729 event_pending = 0;
3730 break;
3732 if (ret == EXCP_HLT) {
3733 /* Give the next CPU a chance to run. */
3734 cur_cpu = env;
3735 continue;
3737 if (ret != EXCP_HALTED)
3738 break;
3739 /* all CPUs are halted ? */
3740 if (env == cur_cpu)
3741 break;
3743 cur_cpu = env;
3745 if (shutdown_requested) {
3746 ret = EXCP_INTERRUPT;
3747 if (no_shutdown) {
3748 vm_stop(0);
3749 no_shutdown = 0;
3751 else
3752 break;
3754 if (reset_requested) {
3755 reset_requested = 0;
3756 qemu_system_reset();
3757 ret = EXCP_INTERRUPT;
3759 if (powerdown_requested) {
3760 powerdown_requested = 0;
3761 qemu_system_powerdown();
3762 ret = EXCP_INTERRUPT;
3764 if (unlikely(ret == EXCP_DEBUG)) {
3765 gdb_set_stop_cpu(cur_cpu);
3766 vm_stop(EXCP_DEBUG);
3768 /* If all cpus are halted then wait until the next IRQ */
3769 /* XXX: use timeout computed from timers */
3770 if (ret == EXCP_HALTED) {
3771 if (use_icount) {
3772 int64_t add;
3773 int64_t delta;
3774 /* Advance virtual time to the next event. */
3775 if (use_icount == 1) {
3776 /* When not using an adaptive execution frequency
3777 we tend to get badly out of sync with real time,
3778 so just delay for a reasonable amount of time. */
3779 delta = 0;
3780 } else {
3781 delta = cpu_get_icount() - cpu_get_clock();
3783 if (delta > 0) {
3784 /* If virtual time is ahead of real time then just
3785 wait for IO. */
3786 timeout = (delta / 1000000) + 1;
3787 } else {
3788 /* Wait for either IO to occur or the next
3789 timer event. */
3790 add = qemu_next_deadline();
3791 /* We advance the timer before checking for IO.
3792 Limit the amount we advance so that early IO
3793 activity won't get the guest too far ahead. */
3794 if (add > 10000000)
3795 add = 10000000;
3796 delta += add;
3797 add = (add + (1 << icount_time_shift) - 1)
3798 >> icount_time_shift;
3799 qemu_icount += add;
3800 timeout = delta / 1000000;
3801 if (timeout < 0)
3802 timeout = 0;
3804 } else {
3805 timeout = 5000;
3807 } else {
3808 timeout = 0;
3810 } else {
3811 if (shutdown_requested) {
3812 ret = EXCP_INTERRUPT;
3813 break;
3815 timeout = 5000;
3817 #ifdef CONFIG_PROFILER
3818 ti = profile_getclock();
3819 #endif
3820 main_loop_wait(timeout);
3821 #ifdef CONFIG_PROFILER
3822 dev_time += profile_getclock() - ti;
3823 #endif
3825 cpu_disable_ticks();
3826 return ret;
3829 static void help(int exitcode)
3831 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
3832 "usage: %s [options] [disk_image]\n"
3833 "\n"
3834 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
3835 "\n"
3836 "Standard options:\n"
3837 "-M machine select emulated machine (-M ? for list)\n"
3838 "-cpu cpu select CPU (-cpu ? for list)\n"
3839 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
3840 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
3841 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
3842 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
3843 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
3844 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
3845 " [,cache=writethrough|writeback|none][,format=f][,serial=s]\n"
3846 " use 'file' as a drive image\n"
3847 "-mtdblock file use 'file' as on-board Flash memory image\n"
3848 "-sd file use 'file' as SecureDigital card image\n"
3849 "-pflash file use 'file' as a parallel flash image\n"
3850 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
3851 "-snapshot write to temporary files instead of disk image files\n"
3852 #ifdef CONFIG_SDL
3853 "-no-frame open SDL window without a frame and window decorations\n"
3854 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
3855 "-no-quit disable SDL window close capability\n"
3856 #endif
3857 #ifdef TARGET_I386
3858 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
3859 #endif
3860 "-m megs set virtual RAM size to megs MB [default=%d]\n"
3861 "-smp n set the number of CPUs to 'n' [default=1]\n"
3862 "-nographic disable graphical output and redirect serial I/Os to console\n"
3863 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
3864 #ifndef _WIN32
3865 "-k language use keyboard layout (for example \"fr\" for French)\n"
3866 #endif
3867 #ifdef HAS_AUDIO
3868 "-audio-help print list of audio drivers and their options\n"
3869 "-soundhw c1,... enable audio support\n"
3870 " and only specified sound cards (comma separated list)\n"
3871 " use -soundhw ? to get the list of supported cards\n"
3872 " use -soundhw all to enable all of them\n"
3873 #endif
3874 "-vga [std|cirrus|vmware]\n"
3875 " select video card type\n"
3876 "-localtime set the real time clock to local time [default=utc]\n"
3877 "-full-screen start in full screen\n"
3878 #ifdef TARGET_I386
3879 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
3880 #endif
3881 "-usb enable the USB driver (will be the default soon)\n"
3882 "-usbdevice name add the host or guest USB device 'name'\n"
3883 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
3884 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
3885 #endif
3886 "-name string set the name of the guest\n"
3887 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
3888 "\n"
3889 "Network options:\n"
3890 "-net nic[,vlan=n][,macaddr=addr][,model=type][,name=str]\n"
3891 " create a new Network Interface Card and connect it to VLAN 'n'\n"
3892 #ifdef CONFIG_SLIRP
3893 "-net user[,vlan=n][,name=str][,hostname=host]\n"
3894 " connect the user mode network stack to VLAN 'n' and send\n"
3895 " hostname 'host' to DHCP clients\n"
3896 #endif
3897 #ifdef _WIN32
3898 "-net tap[,vlan=n][,name=str],ifname=name\n"
3899 " connect the host TAP network interface to VLAN 'n'\n"
3900 #else
3901 "-net tap[,vlan=n][,name=str][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
3902 " connect the host TAP network interface to VLAN 'n' and use the\n"
3903 " network scripts 'file' (default=%s)\n"
3904 " and 'dfile' (default=%s);\n"
3905 " use '[down]script=no' to disable script execution;\n"
3906 " use 'fd=h' to connect to an already opened TAP interface\n"
3907 #endif
3908 "-net socket[,vlan=n][,name=str][,fd=h][,listen=[host]:port][,connect=host:port]\n"
3909 " connect the vlan 'n' to another VLAN using a socket connection\n"
3910 "-net socket[,vlan=n][,name=str][,fd=h][,mcast=maddr:port]\n"
3911 " connect the vlan 'n' to multicast maddr and port\n"
3912 #ifdef CONFIG_VDE
3913 "-net vde[,vlan=n][,name=str][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
3914 " connect the vlan 'n' to port 'n' of a vde switch running\n"
3915 " on host and listening for incoming connections on 'socketpath'.\n"
3916 " Use group 'groupname' and mode 'octalmode' to change default\n"
3917 " ownership and permissions for communication port.\n"
3918 #endif
3919 "-net none use it alone to have zero network devices; if no -net option\n"
3920 " is provided, the default is '-net nic -net user'\n"
3921 "\n"
3922 "-bt hci,null Dumb bluetooth HCI - doesn't respond to commands\n"
3923 "-bt hci,host[:id]\n"
3924 " Use host's HCI with the given name\n"
3925 "-bt hci[,vlan=n]\n"
3926 " Emulate a standard HCI in virtual scatternet 'n'\n"
3927 "-bt vhci[,vlan=n]\n"
3928 " Add host computer to virtual scatternet 'n' using VHCI\n"
3929 "-bt device:dev[,vlan=n]\n"
3930 " Emulate a bluetooth device 'dev' in scatternet 'n'\n"
3931 "\n"
3932 #ifdef CONFIG_SLIRP
3933 "-tftp dir allow tftp access to files in dir [-net user]\n"
3934 "-bootp file advertise file in BOOTP replies\n"
3935 #ifndef _WIN32
3936 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
3937 #endif
3938 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
3939 " redirect TCP or UDP connections from host to guest [-net user]\n"
3940 #endif
3941 "\n"
3942 "Linux boot specific:\n"
3943 "-kernel bzImage use 'bzImage' as kernel image\n"
3944 "-append cmdline use 'cmdline' as kernel command line\n"
3945 "-initrd file use 'file' as initial ram disk\n"
3946 "\n"
3947 "Debug/Expert options:\n"
3948 "-monitor dev redirect the monitor to char device 'dev'\n"
3949 "-serial dev redirect the serial port to char device 'dev'\n"
3950 "-parallel dev redirect the parallel port to char device 'dev'\n"
3951 "-pidfile file Write PID to 'file'\n"
3952 "-S freeze CPU at startup (use 'c' to start execution)\n"
3953 "-s wait gdb connection to port\n"
3954 "-p port set gdb connection port [default=%s]\n"
3955 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
3956 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
3957 " translation (t=none or lba) (usually qemu can guess them)\n"
3958 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
3959 #ifdef USE_KQEMU
3960 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
3961 "-no-kqemu disable KQEMU kernel module usage\n"
3962 #endif
3963 #ifdef CONFIG_KVM
3964 "-enable-kvm enable KVM full virtualization support\n"
3965 #endif
3966 #ifdef TARGET_I386
3967 "-no-acpi disable ACPI\n"
3968 "-no-hpet disable HPET\n"
3969 #endif
3970 #ifdef CONFIG_CURSES
3971 "-curses use a curses/ncurses interface instead of SDL\n"
3972 #endif
3973 "-no-reboot exit instead of rebooting\n"
3974 "-no-shutdown stop before shutdown\n"
3975 "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
3976 "-vnc display start a VNC server on display\n"
3977 #ifndef _WIN32
3978 "-daemonize daemonize QEMU after initializing\n"
3979 #endif
3980 "-option-rom rom load a file, rom, into the option ROM space\n"
3981 #ifdef TARGET_SPARC
3982 "-prom-env variable=value set OpenBIOS nvram variables\n"
3983 #endif
3984 "-clock force the use of the given methods for timer alarm.\n"
3985 " To see what timers are available use -clock ?\n"
3986 "-startdate select initial date of the clock\n"
3987 "-icount [N|auto]\n"
3988 " Enable virtual instruction counter with 2^N clock ticks per instruction\n"
3989 "\n"
3990 "During emulation, the following keys are useful:\n"
3991 "ctrl-alt-f toggle full screen\n"
3992 "ctrl-alt-n switch to virtual console 'n'\n"
3993 "ctrl-alt toggle mouse and keyboard grab\n"
3994 "\n"
3995 "When using -nographic, press 'ctrl-a h' to get some help.\n"
3997 "qemu",
3998 DEFAULT_RAM_SIZE,
3999 #ifndef _WIN32
4000 DEFAULT_NETWORK_SCRIPT,
4001 DEFAULT_NETWORK_DOWN_SCRIPT,
4002 #endif
4003 DEFAULT_GDBSTUB_PORT,
4004 "/tmp/qemu.log");
4005 exit(exitcode);
4008 #define HAS_ARG 0x0001
4010 enum {
4011 QEMU_OPTION_h,
4013 QEMU_OPTION_M,
4014 QEMU_OPTION_cpu,
4015 QEMU_OPTION_fda,
4016 QEMU_OPTION_fdb,
4017 QEMU_OPTION_hda,
4018 QEMU_OPTION_hdb,
4019 QEMU_OPTION_hdc,
4020 QEMU_OPTION_hdd,
4021 QEMU_OPTION_drive,
4022 QEMU_OPTION_cdrom,
4023 QEMU_OPTION_mtdblock,
4024 QEMU_OPTION_sd,
4025 QEMU_OPTION_pflash,
4026 QEMU_OPTION_boot,
4027 QEMU_OPTION_snapshot,
4028 #ifdef TARGET_I386
4029 QEMU_OPTION_no_fd_bootchk,
4030 #endif
4031 QEMU_OPTION_m,
4032 QEMU_OPTION_nographic,
4033 QEMU_OPTION_portrait,
4034 #ifdef HAS_AUDIO
4035 QEMU_OPTION_audio_help,
4036 QEMU_OPTION_soundhw,
4037 #endif
4039 QEMU_OPTION_net,
4040 QEMU_OPTION_tftp,
4041 QEMU_OPTION_bootp,
4042 QEMU_OPTION_smb,
4043 QEMU_OPTION_redir,
4044 QEMU_OPTION_bt,
4046 QEMU_OPTION_kernel,
4047 QEMU_OPTION_append,
4048 QEMU_OPTION_initrd,
4050 QEMU_OPTION_S,
4051 QEMU_OPTION_s,
4052 QEMU_OPTION_p,
4053 QEMU_OPTION_d,
4054 QEMU_OPTION_hdachs,
4055 QEMU_OPTION_L,
4056 QEMU_OPTION_bios,
4057 QEMU_OPTION_k,
4058 QEMU_OPTION_localtime,
4059 QEMU_OPTION_g,
4060 QEMU_OPTION_vga,
4061 QEMU_OPTION_echr,
4062 QEMU_OPTION_monitor,
4063 QEMU_OPTION_serial,
4064 QEMU_OPTION_parallel,
4065 QEMU_OPTION_loadvm,
4066 QEMU_OPTION_full_screen,
4067 QEMU_OPTION_no_frame,
4068 QEMU_OPTION_alt_grab,
4069 QEMU_OPTION_no_quit,
4070 QEMU_OPTION_pidfile,
4071 QEMU_OPTION_no_kqemu,
4072 QEMU_OPTION_kernel_kqemu,
4073 QEMU_OPTION_enable_kvm,
4074 QEMU_OPTION_win2k_hack,
4075 QEMU_OPTION_usb,
4076 QEMU_OPTION_usbdevice,
4077 QEMU_OPTION_smp,
4078 QEMU_OPTION_vnc,
4079 QEMU_OPTION_no_acpi,
4080 QEMU_OPTION_no_hpet,
4081 QEMU_OPTION_curses,
4082 QEMU_OPTION_no_reboot,
4083 QEMU_OPTION_no_shutdown,
4084 QEMU_OPTION_show_cursor,
4085 QEMU_OPTION_daemonize,
4086 QEMU_OPTION_option_rom,
4087 QEMU_OPTION_semihosting,
4088 QEMU_OPTION_name,
4089 QEMU_OPTION_prom_env,
4090 QEMU_OPTION_old_param,
4091 QEMU_OPTION_clock,
4092 QEMU_OPTION_startdate,
4093 QEMU_OPTION_tb_size,
4094 QEMU_OPTION_icount,
4095 QEMU_OPTION_uuid,
4096 QEMU_OPTION_incoming,
4099 typedef struct QEMUOption {
4100 const char *name;
4101 int flags;
4102 int index;
4103 } QEMUOption;
4105 static const QEMUOption qemu_options[] = {
4106 { "h", 0, QEMU_OPTION_h },
4107 { "help", 0, QEMU_OPTION_h },
4109 { "M", HAS_ARG, QEMU_OPTION_M },
4110 { "cpu", HAS_ARG, QEMU_OPTION_cpu },
4111 { "fda", HAS_ARG, QEMU_OPTION_fda },
4112 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
4113 { "hda", HAS_ARG, QEMU_OPTION_hda },
4114 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
4115 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
4116 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
4117 { "drive", HAS_ARG, QEMU_OPTION_drive },
4118 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
4119 { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
4120 { "sd", HAS_ARG, QEMU_OPTION_sd },
4121 { "pflash", HAS_ARG, QEMU_OPTION_pflash },
4122 { "boot", HAS_ARG, QEMU_OPTION_boot },
4123 { "snapshot", 0, QEMU_OPTION_snapshot },
4124 #ifdef TARGET_I386
4125 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
4126 #endif
4127 { "m", HAS_ARG, QEMU_OPTION_m },
4128 { "nographic", 0, QEMU_OPTION_nographic },
4129 { "portrait", 0, QEMU_OPTION_portrait },
4130 { "k", HAS_ARG, QEMU_OPTION_k },
4131 #ifdef HAS_AUDIO
4132 { "audio-help", 0, QEMU_OPTION_audio_help },
4133 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
4134 #endif
4136 { "net", HAS_ARG, QEMU_OPTION_net},
4137 #ifdef CONFIG_SLIRP
4138 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
4139 { "bootp", HAS_ARG, QEMU_OPTION_bootp },
4140 #ifndef _WIN32
4141 { "smb", HAS_ARG, QEMU_OPTION_smb },
4142 #endif
4143 { "redir", HAS_ARG, QEMU_OPTION_redir },
4144 #endif
4145 { "bt", HAS_ARG, QEMU_OPTION_bt },
4147 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
4148 { "append", HAS_ARG, QEMU_OPTION_append },
4149 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
4151 { "S", 0, QEMU_OPTION_S },
4152 { "s", 0, QEMU_OPTION_s },
4153 { "p", HAS_ARG, QEMU_OPTION_p },
4154 { "d", HAS_ARG, QEMU_OPTION_d },
4155 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
4156 { "L", HAS_ARG, QEMU_OPTION_L },
4157 { "bios", HAS_ARG, QEMU_OPTION_bios },
4158 #ifdef USE_KQEMU
4159 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
4160 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
4161 #endif
4162 #ifdef CONFIG_KVM
4163 { "enable-kvm", 0, QEMU_OPTION_enable_kvm },
4164 #endif
4165 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
4166 { "g", 1, QEMU_OPTION_g },
4167 #endif
4168 { "localtime", 0, QEMU_OPTION_localtime },
4169 { "vga", HAS_ARG, QEMU_OPTION_vga },
4170 { "echr", HAS_ARG, QEMU_OPTION_echr },
4171 { "monitor", HAS_ARG, QEMU_OPTION_monitor },
4172 { "serial", HAS_ARG, QEMU_OPTION_serial },
4173 { "parallel", HAS_ARG, QEMU_OPTION_parallel },
4174 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
4175 { "full-screen", 0, QEMU_OPTION_full_screen },
4176 #ifdef CONFIG_SDL
4177 { "no-frame", 0, QEMU_OPTION_no_frame },
4178 { "alt-grab", 0, QEMU_OPTION_alt_grab },
4179 { "no-quit", 0, QEMU_OPTION_no_quit },
4180 #endif
4181 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
4182 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
4183 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
4184 { "smp", HAS_ARG, QEMU_OPTION_smp },
4185 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
4186 #ifdef CONFIG_CURSES
4187 { "curses", 0, QEMU_OPTION_curses },
4188 #endif
4189 { "uuid", HAS_ARG, QEMU_OPTION_uuid },
4191 /* temporary options */
4192 { "usb", 0, QEMU_OPTION_usb },
4193 { "no-acpi", 0, QEMU_OPTION_no_acpi },
4194 { "no-hpet", 0, QEMU_OPTION_no_hpet },
4195 { "no-reboot", 0, QEMU_OPTION_no_reboot },
4196 { "no-shutdown", 0, QEMU_OPTION_no_shutdown },
4197 { "show-cursor", 0, QEMU_OPTION_show_cursor },
4198 { "daemonize", 0, QEMU_OPTION_daemonize },
4199 { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
4200 #if defined(TARGET_ARM) || defined(TARGET_M68K)
4201 { "semihosting", 0, QEMU_OPTION_semihosting },
4202 #endif
4203 { "name", HAS_ARG, QEMU_OPTION_name },
4204 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
4205 { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
4206 #endif
4207 #if defined(TARGET_ARM)
4208 { "old-param", 0, QEMU_OPTION_old_param },
4209 #endif
4210 { "clock", HAS_ARG, QEMU_OPTION_clock },
4211 { "startdate", HAS_ARG, QEMU_OPTION_startdate },
4212 { "tb-size", HAS_ARG, QEMU_OPTION_tb_size },
4213 { "icount", HAS_ARG, QEMU_OPTION_icount },
4214 { "incoming", HAS_ARG, QEMU_OPTION_incoming },
4215 { NULL },
4218 /* password input */
4220 int qemu_key_check(BlockDriverState *bs, const char *name)
4222 char password[256];
4223 int i;
4225 if (!bdrv_is_encrypted(bs))
4226 return 0;
4228 term_printf("%s is encrypted.\n", name);
4229 for(i = 0; i < 3; i++) {
4230 monitor_readline("Password: ", 1, password, sizeof(password));
4231 if (bdrv_set_key(bs, password) == 0)
4232 return 0;
4233 term_printf("invalid password\n");
4235 return -EPERM;
4238 static BlockDriverState *get_bdrv(int index)
4240 if (index > nb_drives)
4241 return NULL;
4242 return drives_table[index].bdrv;
4245 static void read_passwords(void)
4247 BlockDriverState *bs;
4248 int i;
4250 for(i = 0; i < 6; i++) {
4251 bs = get_bdrv(i);
4252 if (bs)
4253 qemu_key_check(bs, bdrv_get_device_name(bs));
4257 #ifdef HAS_AUDIO
4258 struct soundhw soundhw[] = {
4259 #ifdef HAS_AUDIO_CHOICE
4260 #if defined(TARGET_I386) || defined(TARGET_MIPS)
4262 "pcspk",
4263 "PC speaker",
4266 { .init_isa = pcspk_audio_init }
4268 #endif
4270 "sb16",
4271 "Creative Sound Blaster 16",
4274 { .init_isa = SB16_init }
4277 #ifdef CONFIG_CS4231A
4279 "cs4231a",
4280 "CS4231A",
4283 { .init_isa = cs4231a_init }
4285 #endif
4287 #ifdef CONFIG_ADLIB
4289 "adlib",
4290 #ifdef HAS_YMF262
4291 "Yamaha YMF262 (OPL3)",
4292 #else
4293 "Yamaha YM3812 (OPL2)",
4294 #endif
4297 { .init_isa = Adlib_init }
4299 #endif
4301 #ifdef CONFIG_GUS
4303 "gus",
4304 "Gravis Ultrasound GF1",
4307 { .init_isa = GUS_init }
4309 #endif
4311 #ifdef CONFIG_AC97
4313 "ac97",
4314 "Intel 82801AA AC97 Audio",
4317 { .init_pci = ac97_init }
4319 #endif
4322 "es1370",
4323 "ENSONIQ AudioPCI ES1370",
4326 { .init_pci = es1370_init }
4328 #endif
4330 { NULL, NULL, 0, 0, { NULL } }
4333 static void select_soundhw (const char *optarg)
4335 struct soundhw *c;
4337 if (*optarg == '?') {
4338 show_valid_cards:
4340 printf ("Valid sound card names (comma separated):\n");
4341 for (c = soundhw; c->name; ++c) {
4342 printf ("%-11s %s\n", c->name, c->descr);
4344 printf ("\n-soundhw all will enable all of the above\n");
4345 exit (*optarg != '?');
4347 else {
4348 size_t l;
4349 const char *p;
4350 char *e;
4351 int bad_card = 0;
4353 if (!strcmp (optarg, "all")) {
4354 for (c = soundhw; c->name; ++c) {
4355 c->enabled = 1;
4357 return;
4360 p = optarg;
4361 while (*p) {
4362 e = strchr (p, ',');
4363 l = !e ? strlen (p) : (size_t) (e - p);
4365 for (c = soundhw; c->name; ++c) {
4366 if (!strncmp (c->name, p, l)) {
4367 c->enabled = 1;
4368 break;
4372 if (!c->name) {
4373 if (l > 80) {
4374 fprintf (stderr,
4375 "Unknown sound card name (too big to show)\n");
4377 else {
4378 fprintf (stderr, "Unknown sound card name `%.*s'\n",
4379 (int) l, p);
4381 bad_card = 1;
4383 p += l + (e != NULL);
4386 if (bad_card)
4387 goto show_valid_cards;
4390 #endif
4392 static void select_vgahw (const char *p)
4394 const char *opts;
4396 if (strstart(p, "std", &opts)) {
4397 cirrus_vga_enabled = 0;
4398 vmsvga_enabled = 0;
4399 } else if (strstart(p, "cirrus", &opts)) {
4400 cirrus_vga_enabled = 1;
4401 vmsvga_enabled = 0;
4402 } else if (strstart(p, "vmware", &opts)) {
4403 cirrus_vga_enabled = 0;
4404 vmsvga_enabled = 1;
4405 } else {
4406 invalid_vga:
4407 fprintf(stderr, "Unknown vga type: %s\n", p);
4408 exit(1);
4410 while (*opts) {
4411 const char *nextopt;
4413 if (strstart(opts, ",retrace=", &nextopt)) {
4414 opts = nextopt;
4415 if (strstart(opts, "dumb", &nextopt))
4416 vga_retrace_method = VGA_RETRACE_DUMB;
4417 else if (strstart(opts, "precise", &nextopt))
4418 vga_retrace_method = VGA_RETRACE_PRECISE;
4419 else goto invalid_vga;
4420 } else goto invalid_vga;
4421 opts = nextopt;
4425 #ifdef _WIN32
4426 static BOOL WINAPI qemu_ctrl_handler(DWORD type)
4428 exit(STATUS_CONTROL_C_EXIT);
4429 return TRUE;
4431 #endif
4433 static int qemu_uuid_parse(const char *str, uint8_t *uuid)
4435 int ret;
4437 if(strlen(str) != 36)
4438 return -1;
4440 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
4441 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
4442 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
4444 if(ret != 16)
4445 return -1;
4447 return 0;
4450 #define MAX_NET_CLIENTS 32
4452 #ifndef _WIN32
4454 static void termsig_handler(int signal)
4456 qemu_system_shutdown_request();
4459 static void termsig_setup(void)
4461 struct sigaction act;
4463 memset(&act, 0, sizeof(act));
4464 act.sa_handler = termsig_handler;
4465 sigaction(SIGINT, &act, NULL);
4466 sigaction(SIGHUP, &act, NULL);
4467 sigaction(SIGTERM, &act, NULL);
4470 #endif
4472 int main(int argc, char **argv, char **envp)
4474 #ifdef CONFIG_GDBSTUB
4475 int use_gdbstub;
4476 const char *gdbstub_port;
4477 #endif
4478 uint32_t boot_devices_bitmap = 0;
4479 int i;
4480 int snapshot, linux_boot, net_boot;
4481 const char *initrd_filename;
4482 const char *kernel_filename, *kernel_cmdline;
4483 const char *boot_devices = "";
4484 DisplayState *ds = &display_state;
4485 int cyls, heads, secs, translation;
4486 const char *net_clients[MAX_NET_CLIENTS];
4487 int nb_net_clients;
4488 const char *bt_opts[MAX_BT_CMDLINE];
4489 int nb_bt_opts;
4490 int hda_index;
4491 int optind;
4492 const char *r, *optarg;
4493 CharDriverState *monitor_hd;
4494 const char *monitor_device;
4495 const char *serial_devices[MAX_SERIAL_PORTS];
4496 int serial_device_index;
4497 const char *parallel_devices[MAX_PARALLEL_PORTS];
4498 int parallel_device_index;
4499 const char *loadvm = NULL;
4500 QEMUMachine *machine;
4501 const char *cpu_model;
4502 const char *usb_devices[MAX_USB_CMDLINE];
4503 int usb_devices_index;
4504 int fds[2];
4505 int tb_size;
4506 const char *pid_file = NULL;
4507 int autostart;
4508 const char *incoming = NULL;
4510 qemu_cache_utils_init(envp);
4512 LIST_INIT (&vm_change_state_head);
4513 #ifndef _WIN32
4515 struct sigaction act;
4516 sigfillset(&act.sa_mask);
4517 act.sa_flags = 0;
4518 act.sa_handler = SIG_IGN;
4519 sigaction(SIGPIPE, &act, NULL);
4521 #else
4522 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
4523 /* Note: cpu_interrupt() is currently not SMP safe, so we force
4524 QEMU to run on a single CPU */
4526 HANDLE h;
4527 DWORD mask, smask;
4528 int i;
4529 h = GetCurrentProcess();
4530 if (GetProcessAffinityMask(h, &mask, &smask)) {
4531 for(i = 0; i < 32; i++) {
4532 if (mask & (1 << i))
4533 break;
4535 if (i != 32) {
4536 mask = 1 << i;
4537 SetProcessAffinityMask(h, mask);
4541 #endif
4543 register_machines();
4544 machine = first_machine;
4545 cpu_model = NULL;
4546 initrd_filename = NULL;
4547 ram_size = 0;
4548 vga_ram_size = VGA_RAM_SIZE;
4549 #ifdef CONFIG_GDBSTUB
4550 use_gdbstub = 0;
4551 gdbstub_port = DEFAULT_GDBSTUB_PORT;
4552 #endif
4553 snapshot = 0;
4554 nographic = 0;
4555 curses = 0;
4556 kernel_filename = NULL;
4557 kernel_cmdline = "";
4558 cyls = heads = secs = 0;
4559 translation = BIOS_ATA_TRANSLATION_AUTO;
4560 monitor_device = "vc";
4562 serial_devices[0] = "vc:80Cx24C";
4563 for(i = 1; i < MAX_SERIAL_PORTS; i++)
4564 serial_devices[i] = NULL;
4565 serial_device_index = 0;
4567 parallel_devices[0] = "vc:640x480";
4568 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
4569 parallel_devices[i] = NULL;
4570 parallel_device_index = 0;
4572 usb_devices_index = 0;
4574 nb_net_clients = 0;
4575 nb_bt_opts = 0;
4576 nb_drives = 0;
4577 nb_drives_opt = 0;
4578 hda_index = -1;
4580 nb_nics = 0;
4582 tb_size = 0;
4583 autostart= 1;
4585 optind = 1;
4586 for(;;) {
4587 if (optind >= argc)
4588 break;
4589 r = argv[optind];
4590 if (r[0] != '-') {
4591 hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
4592 } else {
4593 const QEMUOption *popt;
4595 optind++;
4596 /* Treat --foo the same as -foo. */
4597 if (r[1] == '-')
4598 r++;
4599 popt = qemu_options;
4600 for(;;) {
4601 if (!popt->name) {
4602 fprintf(stderr, "%s: invalid option -- '%s'\n",
4603 argv[0], r);
4604 exit(1);
4606 if (!strcmp(popt->name, r + 1))
4607 break;
4608 popt++;
4610 if (popt->flags & HAS_ARG) {
4611 if (optind >= argc) {
4612 fprintf(stderr, "%s: option '%s' requires an argument\n",
4613 argv[0], r);
4614 exit(1);
4616 optarg = argv[optind++];
4617 } else {
4618 optarg = NULL;
4621 switch(popt->index) {
4622 case QEMU_OPTION_M:
4623 machine = find_machine(optarg);
4624 if (!machine) {
4625 QEMUMachine *m;
4626 printf("Supported machines are:\n");
4627 for(m = first_machine; m != NULL; m = m->next) {
4628 printf("%-10s %s%s\n",
4629 m->name, m->desc,
4630 m == first_machine ? " (default)" : "");
4632 exit(*optarg != '?');
4634 break;
4635 case QEMU_OPTION_cpu:
4636 /* hw initialization will check this */
4637 if (*optarg == '?') {
4638 /* XXX: implement xxx_cpu_list for targets that still miss it */
4639 #if defined(cpu_list)
4640 cpu_list(stdout, &fprintf);
4641 #endif
4642 exit(0);
4643 } else {
4644 cpu_model = optarg;
4646 break;
4647 case QEMU_OPTION_initrd:
4648 initrd_filename = optarg;
4649 break;
4650 case QEMU_OPTION_hda:
4651 if (cyls == 0)
4652 hda_index = drive_add(optarg, HD_ALIAS, 0);
4653 else
4654 hda_index = drive_add(optarg, HD_ALIAS
4655 ",cyls=%d,heads=%d,secs=%d%s",
4656 0, cyls, heads, secs,
4657 translation == BIOS_ATA_TRANSLATION_LBA ?
4658 ",trans=lba" :
4659 translation == BIOS_ATA_TRANSLATION_NONE ?
4660 ",trans=none" : "");
4661 break;
4662 case QEMU_OPTION_hdb:
4663 case QEMU_OPTION_hdc:
4664 case QEMU_OPTION_hdd:
4665 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
4666 break;
4667 case QEMU_OPTION_drive:
4668 drive_add(NULL, "%s", optarg);
4669 break;
4670 case QEMU_OPTION_mtdblock:
4671 drive_add(optarg, MTD_ALIAS);
4672 break;
4673 case QEMU_OPTION_sd:
4674 drive_add(optarg, SD_ALIAS);
4675 break;
4676 case QEMU_OPTION_pflash:
4677 drive_add(optarg, PFLASH_ALIAS);
4678 break;
4679 case QEMU_OPTION_snapshot:
4680 snapshot = 1;
4681 break;
4682 case QEMU_OPTION_hdachs:
4684 const char *p;
4685 p = optarg;
4686 cyls = strtol(p, (char **)&p, 0);
4687 if (cyls < 1 || cyls > 16383)
4688 goto chs_fail;
4689 if (*p != ',')
4690 goto chs_fail;
4691 p++;
4692 heads = strtol(p, (char **)&p, 0);
4693 if (heads < 1 || heads > 16)
4694 goto chs_fail;
4695 if (*p != ',')
4696 goto chs_fail;
4697 p++;
4698 secs = strtol(p, (char **)&p, 0);
4699 if (secs < 1 || secs > 63)
4700 goto chs_fail;
4701 if (*p == ',') {
4702 p++;
4703 if (!strcmp(p, "none"))
4704 translation = BIOS_ATA_TRANSLATION_NONE;
4705 else if (!strcmp(p, "lba"))
4706 translation = BIOS_ATA_TRANSLATION_LBA;
4707 else if (!strcmp(p, "auto"))
4708 translation = BIOS_ATA_TRANSLATION_AUTO;
4709 else
4710 goto chs_fail;
4711 } else if (*p != '\0') {
4712 chs_fail:
4713 fprintf(stderr, "qemu: invalid physical CHS format\n");
4714 exit(1);
4716 if (hda_index != -1)
4717 snprintf(drives_opt[hda_index].opt,
4718 sizeof(drives_opt[hda_index].opt),
4719 HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
4720 0, cyls, heads, secs,
4721 translation == BIOS_ATA_TRANSLATION_LBA ?
4722 ",trans=lba" :
4723 translation == BIOS_ATA_TRANSLATION_NONE ?
4724 ",trans=none" : "");
4726 break;
4727 case QEMU_OPTION_nographic:
4728 nographic = 1;
4729 break;
4730 #ifdef CONFIG_CURSES
4731 case QEMU_OPTION_curses:
4732 curses = 1;
4733 break;
4734 #endif
4735 case QEMU_OPTION_portrait:
4736 graphic_rotate = 1;
4737 break;
4738 case QEMU_OPTION_kernel:
4739 kernel_filename = optarg;
4740 break;
4741 case QEMU_OPTION_append:
4742 kernel_cmdline = optarg;
4743 break;
4744 case QEMU_OPTION_cdrom:
4745 drive_add(optarg, CDROM_ALIAS);
4746 break;
4747 case QEMU_OPTION_boot:
4748 boot_devices = optarg;
4749 /* We just do some generic consistency checks */
4751 /* Could easily be extended to 64 devices if needed */
4752 const char *p;
4754 boot_devices_bitmap = 0;
4755 for (p = boot_devices; *p != '\0'; p++) {
4756 /* Allowed boot devices are:
4757 * a b : floppy disk drives
4758 * c ... f : IDE disk drives
4759 * g ... m : machine implementation dependant drives
4760 * n ... p : network devices
4761 * It's up to each machine implementation to check
4762 * if the given boot devices match the actual hardware
4763 * implementation and firmware features.
4765 if (*p < 'a' || *p > 'q') {
4766 fprintf(stderr, "Invalid boot device '%c'\n", *p);
4767 exit(1);
4769 if (boot_devices_bitmap & (1 << (*p - 'a'))) {
4770 fprintf(stderr,
4771 "Boot device '%c' was given twice\n",*p);
4772 exit(1);
4774 boot_devices_bitmap |= 1 << (*p - 'a');
4777 break;
4778 case QEMU_OPTION_fda:
4779 case QEMU_OPTION_fdb:
4780 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
4781 break;
4782 #ifdef TARGET_I386
4783 case QEMU_OPTION_no_fd_bootchk:
4784 fd_bootchk = 0;
4785 break;
4786 #endif
4787 case QEMU_OPTION_net:
4788 if (nb_net_clients >= MAX_NET_CLIENTS) {
4789 fprintf(stderr, "qemu: too many network clients\n");
4790 exit(1);
4792 net_clients[nb_net_clients] = optarg;
4793 nb_net_clients++;
4794 break;
4795 #ifdef CONFIG_SLIRP
4796 case QEMU_OPTION_tftp:
4797 tftp_prefix = optarg;
4798 break;
4799 case QEMU_OPTION_bootp:
4800 bootp_filename = optarg;
4801 break;
4802 #ifndef _WIN32
4803 case QEMU_OPTION_smb:
4804 net_slirp_smb(optarg);
4805 break;
4806 #endif
4807 case QEMU_OPTION_redir:
4808 net_slirp_redir(optarg);
4809 break;
4810 #endif
4811 case QEMU_OPTION_bt:
4812 if (nb_bt_opts >= MAX_BT_CMDLINE) {
4813 fprintf(stderr, "qemu: too many bluetooth options\n");
4814 exit(1);
4816 bt_opts[nb_bt_opts++] = optarg;
4817 break;
4818 #ifdef HAS_AUDIO
4819 case QEMU_OPTION_audio_help:
4820 AUD_help ();
4821 exit (0);
4822 break;
4823 case QEMU_OPTION_soundhw:
4824 select_soundhw (optarg);
4825 break;
4826 #endif
4827 case QEMU_OPTION_h:
4828 help(0);
4829 break;
4830 case QEMU_OPTION_m: {
4831 uint64_t value;
4832 char *ptr;
4834 value = strtoul(optarg, &ptr, 10);
4835 switch (*ptr) {
4836 case 0: case 'M': case 'm':
4837 value <<= 20;
4838 break;
4839 case 'G': case 'g':
4840 value <<= 30;
4841 break;
4842 default:
4843 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
4844 exit(1);
4847 /* On 32-bit hosts, QEMU is limited by virtual address space */
4848 if (value > (2047 << 20)
4849 #ifndef USE_KQEMU
4850 && HOST_LONG_BITS == 32
4851 #endif
4853 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4854 exit(1);
4856 if (value != (uint64_t)(ram_addr_t)value) {
4857 fprintf(stderr, "qemu: ram size too large\n");
4858 exit(1);
4860 ram_size = value;
4861 break;
4863 case QEMU_OPTION_d:
4865 int mask;
4866 const CPULogItem *item;
4868 mask = cpu_str_to_log_mask(optarg);
4869 if (!mask) {
4870 printf("Log items (comma separated):\n");
4871 for(item = cpu_log_items; item->mask != 0; item++) {
4872 printf("%-10s %s\n", item->name, item->help);
4874 exit(1);
4876 cpu_set_log(mask);
4878 break;
4879 #ifdef CONFIG_GDBSTUB
4880 case QEMU_OPTION_s:
4881 use_gdbstub = 1;
4882 break;
4883 case QEMU_OPTION_p:
4884 gdbstub_port = optarg;
4885 break;
4886 #endif
4887 case QEMU_OPTION_L:
4888 bios_dir = optarg;
4889 break;
4890 case QEMU_OPTION_bios:
4891 bios_name = optarg;
4892 break;
4893 case QEMU_OPTION_S:
4894 autostart = 0;
4895 break;
4896 case QEMU_OPTION_k:
4897 keyboard_layout = optarg;
4898 break;
4899 case QEMU_OPTION_localtime:
4900 rtc_utc = 0;
4901 break;
4902 case QEMU_OPTION_vga:
4903 select_vgahw (optarg);
4904 break;
4905 case QEMU_OPTION_g:
4907 const char *p;
4908 int w, h, depth;
4909 p = optarg;
4910 w = strtol(p, (char **)&p, 10);
4911 if (w <= 0) {
4912 graphic_error:
4913 fprintf(stderr, "qemu: invalid resolution or depth\n");
4914 exit(1);
4916 if (*p != 'x')
4917 goto graphic_error;
4918 p++;
4919 h = strtol(p, (char **)&p, 10);
4920 if (h <= 0)
4921 goto graphic_error;
4922 if (*p == 'x') {
4923 p++;
4924 depth = strtol(p, (char **)&p, 10);
4925 if (depth != 8 && depth != 15 && depth != 16 &&
4926 depth != 24 && depth != 32)
4927 goto graphic_error;
4928 } else if (*p == '\0') {
4929 depth = graphic_depth;
4930 } else {
4931 goto graphic_error;
4934 graphic_width = w;
4935 graphic_height = h;
4936 graphic_depth = depth;
4938 break;
4939 case QEMU_OPTION_echr:
4941 char *r;
4942 term_escape_char = strtol(optarg, &r, 0);
4943 if (r == optarg)
4944 printf("Bad argument to echr\n");
4945 break;
4947 case QEMU_OPTION_monitor:
4948 monitor_device = optarg;
4949 break;
4950 case QEMU_OPTION_serial:
4951 if (serial_device_index >= MAX_SERIAL_PORTS) {
4952 fprintf(stderr, "qemu: too many serial ports\n");
4953 exit(1);
4955 serial_devices[serial_device_index] = optarg;
4956 serial_device_index++;
4957 break;
4958 case QEMU_OPTION_parallel:
4959 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
4960 fprintf(stderr, "qemu: too many parallel ports\n");
4961 exit(1);
4963 parallel_devices[parallel_device_index] = optarg;
4964 parallel_device_index++;
4965 break;
4966 case QEMU_OPTION_loadvm:
4967 loadvm = optarg;
4968 break;
4969 case QEMU_OPTION_full_screen:
4970 full_screen = 1;
4971 break;
4972 #ifdef CONFIG_SDL
4973 case QEMU_OPTION_no_frame:
4974 no_frame = 1;
4975 break;
4976 case QEMU_OPTION_alt_grab:
4977 alt_grab = 1;
4978 break;
4979 case QEMU_OPTION_no_quit:
4980 no_quit = 1;
4981 break;
4982 #endif
4983 case QEMU_OPTION_pidfile:
4984 pid_file = optarg;
4985 break;
4986 #ifdef TARGET_I386
4987 case QEMU_OPTION_win2k_hack:
4988 win2k_install_hack = 1;
4989 break;
4990 #endif
4991 #ifdef USE_KQEMU
4992 case QEMU_OPTION_no_kqemu:
4993 kqemu_allowed = 0;
4994 break;
4995 case QEMU_OPTION_kernel_kqemu:
4996 kqemu_allowed = 2;
4997 break;
4998 #endif
4999 #ifdef CONFIG_KVM
5000 case QEMU_OPTION_enable_kvm:
5001 kvm_allowed = 1;
5002 #ifdef USE_KQEMU
5003 kqemu_allowed = 0;
5004 #endif
5005 break;
5006 #endif
5007 case QEMU_OPTION_usb:
5008 usb_enabled = 1;
5009 break;
5010 case QEMU_OPTION_usbdevice:
5011 usb_enabled = 1;
5012 if (usb_devices_index >= MAX_USB_CMDLINE) {
5013 fprintf(stderr, "Too many USB devices\n");
5014 exit(1);
5016 usb_devices[usb_devices_index] = optarg;
5017 usb_devices_index++;
5018 break;
5019 case QEMU_OPTION_smp:
5020 smp_cpus = atoi(optarg);
5021 if (smp_cpus < 1) {
5022 fprintf(stderr, "Invalid number of CPUs\n");
5023 exit(1);
5025 break;
5026 case QEMU_OPTION_vnc:
5027 vnc_display = optarg;
5028 break;
5029 case QEMU_OPTION_no_acpi:
5030 acpi_enabled = 0;
5031 break;
5032 case QEMU_OPTION_no_hpet:
5033 no_hpet = 1;
5034 break;
5035 case QEMU_OPTION_no_reboot:
5036 no_reboot = 1;
5037 break;
5038 case QEMU_OPTION_no_shutdown:
5039 no_shutdown = 1;
5040 break;
5041 case QEMU_OPTION_show_cursor:
5042 cursor_hide = 0;
5043 break;
5044 case QEMU_OPTION_uuid:
5045 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
5046 fprintf(stderr, "Fail to parse UUID string."
5047 " Wrong format.\n");
5048 exit(1);
5050 break;
5051 case QEMU_OPTION_daemonize:
5052 daemonize = 1;
5053 break;
5054 case QEMU_OPTION_option_rom:
5055 if (nb_option_roms >= MAX_OPTION_ROMS) {
5056 fprintf(stderr, "Too many option ROMs\n");
5057 exit(1);
5059 option_rom[nb_option_roms] = optarg;
5060 nb_option_roms++;
5061 break;
5062 case QEMU_OPTION_semihosting:
5063 semihosting_enabled = 1;
5064 break;
5065 case QEMU_OPTION_name:
5066 qemu_name = optarg;
5067 break;
5068 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
5069 case QEMU_OPTION_prom_env:
5070 if (nb_prom_envs >= MAX_PROM_ENVS) {
5071 fprintf(stderr, "Too many prom variables\n");
5072 exit(1);
5074 prom_envs[nb_prom_envs] = optarg;
5075 nb_prom_envs++;
5076 break;
5077 #endif
5078 #ifdef TARGET_ARM
5079 case QEMU_OPTION_old_param:
5080 old_param = 1;
5081 break;
5082 #endif
5083 case QEMU_OPTION_clock:
5084 configure_alarms(optarg);
5085 break;
5086 case QEMU_OPTION_startdate:
5088 struct tm tm;
5089 time_t rtc_start_date;
5090 if (!strcmp(optarg, "now")) {
5091 rtc_date_offset = -1;
5092 } else {
5093 if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
5094 &tm.tm_year,
5095 &tm.tm_mon,
5096 &tm.tm_mday,
5097 &tm.tm_hour,
5098 &tm.tm_min,
5099 &tm.tm_sec) == 6) {
5100 /* OK */
5101 } else if (sscanf(optarg, "%d-%d-%d",
5102 &tm.tm_year,
5103 &tm.tm_mon,
5104 &tm.tm_mday) == 3) {
5105 tm.tm_hour = 0;
5106 tm.tm_min = 0;
5107 tm.tm_sec = 0;
5108 } else {
5109 goto date_fail;
5111 tm.tm_year -= 1900;
5112 tm.tm_mon--;
5113 rtc_start_date = mktimegm(&tm);
5114 if (rtc_start_date == -1) {
5115 date_fail:
5116 fprintf(stderr, "Invalid date format. Valid format are:\n"
5117 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5118 exit(1);
5120 rtc_date_offset = time(NULL) - rtc_start_date;
5123 break;
5124 case QEMU_OPTION_tb_size:
5125 tb_size = strtol(optarg, NULL, 0);
5126 if (tb_size < 0)
5127 tb_size = 0;
5128 break;
5129 case QEMU_OPTION_icount:
5130 use_icount = 1;
5131 if (strcmp(optarg, "auto") == 0) {
5132 icount_time_shift = -1;
5133 } else {
5134 icount_time_shift = strtol(optarg, NULL, 0);
5136 break;
5137 case QEMU_OPTION_incoming:
5138 incoming = optarg;
5139 break;
5144 #if defined(CONFIG_KVM) && defined(USE_KQEMU)
5145 if (kvm_allowed && kqemu_allowed) {
5146 fprintf(stderr,
5147 "You can not enable both KVM and kqemu at the same time\n");
5148 exit(1);
5150 #endif
5152 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
5153 if (smp_cpus > machine->max_cpus) {
5154 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
5155 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
5156 machine->max_cpus);
5157 exit(1);
5160 if (nographic) {
5161 if (serial_device_index == 0)
5162 serial_devices[0] = "stdio";
5163 if (parallel_device_index == 0)
5164 parallel_devices[0] = "null";
5165 if (strncmp(monitor_device, "vc", 2) == 0)
5166 monitor_device = "stdio";
5169 #ifndef _WIN32
5170 if (daemonize) {
5171 pid_t pid;
5173 if (pipe(fds) == -1)
5174 exit(1);
5176 pid = fork();
5177 if (pid > 0) {
5178 uint8_t status;
5179 ssize_t len;
5181 close(fds[1]);
5183 again:
5184 len = read(fds[0], &status, 1);
5185 if (len == -1 && (errno == EINTR))
5186 goto again;
5188 if (len != 1)
5189 exit(1);
5190 else if (status == 1) {
5191 fprintf(stderr, "Could not acquire pidfile\n");
5192 exit(1);
5193 } else
5194 exit(0);
5195 } else if (pid < 0)
5196 exit(1);
5198 setsid();
5200 pid = fork();
5201 if (pid > 0)
5202 exit(0);
5203 else if (pid < 0)
5204 exit(1);
5206 umask(027);
5208 signal(SIGTSTP, SIG_IGN);
5209 signal(SIGTTOU, SIG_IGN);
5210 signal(SIGTTIN, SIG_IGN);
5212 #endif
5214 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
5215 if (daemonize) {
5216 uint8_t status = 1;
5217 write(fds[1], &status, 1);
5218 } else
5219 fprintf(stderr, "Could not acquire pid file\n");
5220 exit(1);
5223 #ifdef USE_KQEMU
5224 if (smp_cpus > 1)
5225 kqemu_allowed = 0;
5226 #endif
5227 linux_boot = (kernel_filename != NULL);
5228 net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
5230 if (!linux_boot && net_boot == 0 &&
5231 !machine->nodisk_ok && nb_drives_opt == 0)
5232 help(1);
5234 if (!linux_boot && *kernel_cmdline != '\0') {
5235 fprintf(stderr, "-append only allowed with -kernel option\n");
5236 exit(1);
5239 if (!linux_boot && initrd_filename != NULL) {
5240 fprintf(stderr, "-initrd only allowed with -kernel option\n");
5241 exit(1);
5244 /* boot to floppy or the default cd if no hard disk defined yet */
5245 if (!boot_devices[0]) {
5246 boot_devices = "cad";
5248 setvbuf(stdout, NULL, _IOLBF, 0);
5250 init_timers();
5251 if (init_timer_alarm() < 0) {
5252 fprintf(stderr, "could not initialize alarm timer\n");
5253 exit(1);
5255 if (use_icount && icount_time_shift < 0) {
5256 use_icount = 2;
5257 /* 125MIPS seems a reasonable initial guess at the guest speed.
5258 It will be corrected fairly quickly anyway. */
5259 icount_time_shift = 3;
5260 init_icount_adjust();
5263 #ifdef _WIN32
5264 socket_init();
5265 #endif
5267 /* init network clients */
5268 if (nb_net_clients == 0) {
5269 /* if no clients, we use a default config */
5270 net_clients[nb_net_clients++] = "nic";
5271 #ifdef CONFIG_SLIRP
5272 net_clients[nb_net_clients++] = "user";
5273 #endif
5276 for(i = 0;i < nb_net_clients; i++) {
5277 if (net_client_parse(net_clients[i]) < 0)
5278 exit(1);
5280 net_client_check();
5282 #ifdef TARGET_I386
5283 /* XXX: this should be moved in the PC machine instantiation code */
5284 if (net_boot != 0) {
5285 int netroms = 0;
5286 for (i = 0; i < nb_nics && i < 4; i++) {
5287 const char *model = nd_table[i].model;
5288 char buf[1024];
5289 if (net_boot & (1 << i)) {
5290 if (model == NULL)
5291 model = "ne2k_pci";
5292 snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
5293 if (get_image_size(buf) > 0) {
5294 if (nb_option_roms >= MAX_OPTION_ROMS) {
5295 fprintf(stderr, "Too many option ROMs\n");
5296 exit(1);
5298 option_rom[nb_option_roms] = strdup(buf);
5299 nb_option_roms++;
5300 netroms++;
5304 if (netroms == 0) {
5305 fprintf(stderr, "No valid PXE rom found for network device\n");
5306 exit(1);
5309 #endif
5311 /* init the bluetooth world */
5312 for (i = 0; i < nb_bt_opts; i++)
5313 if (bt_parse(bt_opts[i]))
5314 exit(1);
5316 /* init the memory */
5317 phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED;
5319 if (machine->ram_require & RAMSIZE_FIXED) {
5320 if (ram_size > 0) {
5321 if (ram_size < phys_ram_size) {
5322 fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
5323 machine->name, (unsigned long long) phys_ram_size);
5324 exit(-1);
5327 phys_ram_size = ram_size;
5328 } else
5329 ram_size = phys_ram_size;
5330 } else {
5331 if (ram_size == 0)
5332 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
5334 phys_ram_size += ram_size;
5337 phys_ram_base = qemu_vmalloc(phys_ram_size);
5338 if (!phys_ram_base) {
5339 fprintf(stderr, "Could not allocate physical memory\n");
5340 exit(1);
5343 /* init the dynamic translator */
5344 cpu_exec_init_all(tb_size * 1024 * 1024);
5346 bdrv_init();
5348 /* we always create the cdrom drive, even if no disk is there */
5350 if (nb_drives_opt < MAX_DRIVES)
5351 drive_add(NULL, CDROM_ALIAS);
5353 /* we always create at least one floppy */
5355 if (nb_drives_opt < MAX_DRIVES)
5356 drive_add(NULL, FD_ALIAS, 0);
5358 /* we always create one sd slot, even if no card is in it */
5360 if (nb_drives_opt < MAX_DRIVES)
5361 drive_add(NULL, SD_ALIAS);
5363 /* open the virtual block devices */
5365 for(i = 0; i < nb_drives_opt; i++)
5366 if (drive_init(&drives_opt[i], snapshot, machine) == -1)
5367 exit(1);
5369 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
5370 register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL);
5372 /* terminal init */
5373 memset(&display_state, 0, sizeof(display_state));
5374 if (nographic) {
5375 if (curses) {
5376 fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
5377 exit(1);
5379 /* nearly nothing to do */
5380 dumb_display_init(ds);
5381 } else if (vnc_display != NULL) {
5382 vnc_display_init(ds);
5383 if (vnc_display_open(ds, vnc_display) < 0)
5384 exit(1);
5385 } else
5386 #if defined(CONFIG_CURSES)
5387 if (curses) {
5388 curses_display_init(ds, full_screen);
5389 } else
5390 #endif
5392 #if defined(CONFIG_SDL)
5393 sdl_display_init(ds, full_screen, no_frame);
5394 #elif defined(CONFIG_COCOA)
5395 cocoa_display_init(ds, full_screen);
5396 #else
5397 dumb_display_init(ds);
5398 #endif
5401 #ifndef _WIN32
5402 /* must be after terminal init, SDL library changes signal handlers */
5403 termsig_setup();
5404 #endif
5406 /* Maintain compatibility with multiple stdio monitors */
5407 if (!strcmp(monitor_device,"stdio")) {
5408 for (i = 0; i < MAX_SERIAL_PORTS; i++) {
5409 const char *devname = serial_devices[i];
5410 if (devname && !strcmp(devname,"mon:stdio")) {
5411 monitor_device = NULL;
5412 break;
5413 } else if (devname && !strcmp(devname,"stdio")) {
5414 monitor_device = NULL;
5415 serial_devices[i] = "mon:stdio";
5416 break;
5420 if (monitor_device) {
5421 monitor_hd = qemu_chr_open("monitor", monitor_device);
5422 if (!monitor_hd) {
5423 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
5424 exit(1);
5426 monitor_init(monitor_hd, !nographic);
5429 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
5430 const char *devname = serial_devices[i];
5431 if (devname && strcmp(devname, "none")) {
5432 char label[32];
5433 snprintf(label, sizeof(label), "serial%d", i);
5434 serial_hds[i] = qemu_chr_open(label, devname);
5435 if (!serial_hds[i]) {
5436 fprintf(stderr, "qemu: could not open serial device '%s'\n",
5437 devname);
5438 exit(1);
5440 if (strstart(devname, "vc", 0))
5441 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
5445 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
5446 const char *devname = parallel_devices[i];
5447 if (devname && strcmp(devname, "none")) {
5448 char label[32];
5449 snprintf(label, sizeof(label), "parallel%d", i);
5450 parallel_hds[i] = qemu_chr_open(label, devname);
5451 if (!parallel_hds[i]) {
5452 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
5453 devname);
5454 exit(1);
5456 if (strstart(devname, "vc", 0))
5457 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
5461 if (kvm_enabled()) {
5462 int ret;
5464 ret = kvm_init(smp_cpus);
5465 if (ret < 0) {
5466 fprintf(stderr, "failed to initialize KVM\n");
5467 exit(1);
5471 machine->init(ram_size, vga_ram_size, boot_devices, ds,
5472 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
5474 /* Set KVM's vcpu state to qemu's initial CPUState. */
5475 if (kvm_enabled()) {
5476 int ret;
5478 ret = kvm_sync_vcpus();
5479 if (ret < 0) {
5480 fprintf(stderr, "failed to initialize vcpus\n");
5481 exit(1);
5485 /* init USB devices */
5486 if (usb_enabled) {
5487 for(i = 0; i < usb_devices_index; i++) {
5488 if (usb_device_add(usb_devices[i]) < 0) {
5489 fprintf(stderr, "Warning: could not add USB device %s\n",
5490 usb_devices[i]);
5495 if (display_state.dpy_refresh) {
5496 display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state);
5497 qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock));
5500 #ifdef CONFIG_GDBSTUB
5501 if (use_gdbstub) {
5502 /* XXX: use standard host:port notation and modify options
5503 accordingly. */
5504 if (gdbserver_start(gdbstub_port) < 0) {
5505 fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
5506 gdbstub_port);
5507 exit(1);
5510 #endif
5512 if (loadvm)
5513 do_loadvm(loadvm);
5515 if (incoming) {
5516 autostart = 0; /* fixme how to deal with -daemonize */
5517 qemu_start_incoming_migration(incoming);
5521 /* XXX: simplify init */
5522 read_passwords();
5523 if (autostart) {
5524 vm_start();
5528 if (daemonize) {
5529 uint8_t status = 0;
5530 ssize_t len;
5531 int fd;
5533 again1:
5534 len = write(fds[1], &status, 1);
5535 if (len == -1 && (errno == EINTR))
5536 goto again1;
5538 if (len != 1)
5539 exit(1);
5541 chdir("/");
5542 TFR(fd = open("/dev/null", O_RDWR));
5543 if (fd == -1)
5544 exit(1);
5546 dup2(fd, 0);
5547 dup2(fd, 1);
5548 dup2(fd, 2);
5550 close(fd);
5553 main_loop();
5554 quit_timers();
5555 net_cleanup();
5557 return 0;