vl.c 237 KB
Newer Older
1
/*
bellard's avatar
bellard committed
2
 * QEMU System Emulator
3
 *
bellard's avatar
bellard committed
4
 * Copyright (c) 2003-2008 Fabrice Bellard
5
 *
bellard's avatar
bellard committed
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
23
 */
pbrook's avatar
pbrook committed
24 25 26 27 28 29 30
#include "hw/hw.h"
#include "hw/boards.h"
#include "hw/usb.h"
#include "hw/pcmcia.h"
#include "hw/pc.h"
#include "hw/audiodev.h"
#include "hw/isa.h"
aurel32's avatar
aurel32 committed
31
#include "hw/baum.h"
pbrook's avatar
pbrook committed
32 33 34 35 36 37 38 39
#include "net.h"
#include "console.h"
#include "sysemu.h"
#include "gdbstub.h"
#include "qemu-timer.h"
#include "qemu-char.h"
#include "block.h"
#include "audio/audio.h"
bellard's avatar
bellard committed
40

41 42 43 44 45
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <time.h>
#include <errno.h>
bellard's avatar
bellard committed
46
#include <sys/time.h>
47
#include <zlib.h>
bellard's avatar
bellard committed
48 49 50

#ifndef _WIN32
#include <sys/times.h>
bellard's avatar
bellard committed
51
#include <sys/wait.h>
bellard's avatar
bellard committed
52 53 54
#include <termios.h>
#include <sys/poll.h>
#include <sys/mman.h>
bellard's avatar
bellard committed
55 56
#include <sys/ioctl.h>
#include <sys/socket.h>
bellard's avatar
bellard committed
57
#include <netinet/in.h>
bellard's avatar
bellard committed
58
#include <dirent.h>
bellard's avatar
bellard committed
59
#include <netdb.h>
60 61
#include <sys/select.h>
#include <arpa/inet.h>
bellard's avatar
bellard committed
62 63
#ifdef _BSD
#include <sys/stat.h>
64
#ifndef __APPLE__
bellard's avatar
bellard committed
65
#include <libutil.h>
66
#endif
ths's avatar
ths committed
67 68
#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
#include <freebsd/stdlib.h>
bellard's avatar
bellard committed
69
#else
bellard's avatar
bellard committed
70
#ifndef __sun__
bellard's avatar
bellard committed
71 72
#include <linux/if.h>
#include <linux/if_tun.h>
bellard's avatar
bellard committed
73 74
#include <pty.h>
#include <malloc.h>
75
#include <linux/rtc.h>
ths's avatar
ths committed
76 77 78 79 80 81

/* For the benefit of older linux systems which don't supply it,
   we use a local copy of hpet.h. */
/* #include <linux/hpet.h> */
#include "hpet.h"

bellard's avatar
bellard committed
82
#include <linux/ppdev.h>
83
#include <linux/parport.h>
84 85 86 87 88 89 90 91 92 93 94 95 96 97
#else
#include <sys/stat.h>
#include <sys/ethernet.h>
#include <sys/sockio.h>
#include <netinet/arp.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h> // must come after ip.h
#include <netinet/udp.h>
#include <netinet/tcp.h>
#include <net/if.h>
#include <syslog.h>
#include <stropts.h>
bellard's avatar
bellard committed
98
#endif
bellard's avatar
bellard committed
99
#endif
100 101 102
#else
#include <winsock2.h>
int inet_aton(const char *cp, struct in_addr *ia);
bellard's avatar
bellard committed
103
#endif
bellard's avatar
bellard committed
104

bellard's avatar
bellard committed
105 106 107 108
#if defined(CONFIG_SLIRP)
#include "libslirp.h"
#endif

bellard's avatar
bellard committed
109
#ifdef _WIN32
bellard's avatar
bellard committed
110
#include <malloc.h>
bellard's avatar
bellard committed
111
#include <sys/timeb.h>
ths's avatar
ths committed
112
#include <mmsystem.h>
bellard's avatar
bellard committed
113 114 115 116
#define getopt_long_only getopt_long
#define memalign(align, size) malloc(size)
#endif

bellard's avatar
bellard committed
117 118
#include "qemu_socket.h"

bellard's avatar
bellard committed
119
#ifdef CONFIG_SDL
bellard's avatar
bellard committed
120
#ifdef __APPLE__
121
#include <SDL/SDL.h>
bellard's avatar
bellard committed
122
#endif
bellard's avatar
bellard committed
123
#endif /* CONFIG_SDL */
124

125 126 127 128 129
#ifdef CONFIG_COCOA
#undef main
#define main qemu_main
#endif /* CONFIG_COCOA */

130
#include "disas.h"
bellard's avatar
bellard committed
131

132
#include "exec-all.h"
133

134
#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
135
#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
pbrook's avatar
pbrook committed
136 137 138 139 140
#ifdef __sun__
#define SMBD_COMMAND "/usr/sfw/sbin/smbd"
#else
#define SMBD_COMMAND "/usr/sbin/smbd"
#endif
bellard's avatar
bellard committed
141

142
//#define DEBUG_UNUSED_IOPORT
143
//#define DEBUG_IOPORT
144

145 146
#define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)

bellard's avatar
bellard committed
147 148 149
#ifdef TARGET_PPC
#define DEFAULT_RAM_SIZE 144
#else
150
#define DEFAULT_RAM_SIZE 128
bellard's avatar
bellard committed
151
#endif
152 153
/* in ms */
#define GUI_REFRESH_INTERVAL 30
154

pbrook's avatar
pbrook committed
155 156 157
/* Max number of USB devices that can be specified on the commandline.  */
#define MAX_USB_CMDLINE 8

158 159
/* XXX: use a two level table to limit memory usage */
#define MAX_IOPORTS 65536
160

bellard's avatar
bellard committed
161
const char *bios_dir = CONFIG_QEMU_SHAREDIR;
162
const char *bios_name = NULL;
163
void *ioport_opaque[MAX_IOPORTS];
bellard's avatar
bellard committed
164 165
IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
ths's avatar
ths committed
166
/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
bellard's avatar
bellard committed
167
   to store the VM snapshots */
ths's avatar
ths committed
168 169
DriveInfo drives_table[MAX_DRIVES+1];
int nb_drives;
bellard's avatar
bellard committed
170 171
/* point to the block driver where the snapshots are managed */
BlockDriverState *bs_snapshots;
172 173
int vga_ram_size;
static DisplayState display_state;
174
int nographic;
balrog's avatar
balrog committed
175
int curses;
176
const char* keyboard_layout = NULL;
177
int64_t ticks_per_sec;
178
int ram_size;
bellard's avatar
bellard committed
179
int pit_min_timer_count = 0;
180
int nb_nics;
bellard's avatar
bellard committed
181
NICInfo nd_table[MAX_NICS];
182
int vm_running;
183 184
static int rtc_utc = 1;
static int rtc_date_offset = -1; /* -1 means no change */
185
int cirrus_vga_enabled = 1;
186
int vmsvga_enabled = 0;
187 188 189
#ifdef TARGET_SPARC
int graphic_width = 1024;
int graphic_height = 768;
blueswir1's avatar
blueswir1 committed
190
int graphic_depth = 8;
191
#else
192 193
int graphic_width = 800;
int graphic_height = 600;
194
int graphic_depth = 15;
blueswir1's avatar
blueswir1 committed
195
#endif
bellard's avatar
bellard committed
196
int full_screen = 0;
197
int no_frame = 0;
198
int no_quit = 0;
199
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
200
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
201 202 203
#ifdef TARGET_I386
int win2k_install_hack = 0;
#endif
bellard's avatar
bellard committed
204
int usb_enabled = 0;
bellard's avatar
bellard committed
205
static VLANState *first_vlan;
bellard's avatar
bellard committed
206
int smp_cpus = 1;
207
const char *vnc_display;
bellard's avatar
bellard committed
208
#if defined(TARGET_SPARC)
209
#define MAX_CPUS 16
bellard's avatar
bellard committed
210 211
#elif defined(TARGET_I386)
#define MAX_CPUS 255
212
#else
bellard's avatar
bellard committed
213
#define MAX_CPUS 1
214
#endif
bellard's avatar
bellard committed
215
int acpi_enabled = 1;
216
int fd_bootchk = 1;
bellard's avatar
bellard committed
217
int no_reboot = 0;
aurel32's avatar
aurel32 committed
218
int no_shutdown = 0;
219
int cursor_hide = 1;
220
int graphic_rotate = 0;
ths's avatar
ths committed
221
int daemonize = 0;
222 223
const char *option_rom[MAX_OPTION_ROMS];
int nb_option_roms;
224
int semihosting_enabled = 0;
225
int autostart = 1;
226 227 228
#ifdef TARGET_ARM
int old_param = 0;
#endif
ths's avatar
ths committed
229
const char *qemu_name;
ths's avatar
ths committed
230
int alt_grab = 0;
blueswir1's avatar
blueswir1 committed
231 232 233 234
#ifdef TARGET_SPARC
unsigned int nb_prom_envs = 0;
const char *prom_envs[MAX_PROM_ENVS];
#endif
ths's avatar
ths committed
235
int nb_drives_opt;
236 237 238 239
struct drive_opt {
    const char *file;
    char opt[1024];
} drives_opt[MAX_DRIVES];
240

241 242
static CPUState *cur_cpu;
static CPUState *next_cpu;
243
static int event_pending = 1;
244

245 246
#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)

247
/***********************************************************/
248 249 250
/* x86 ISA bus support */

target_phys_addr_t isa_mem_base = 0;
bellard's avatar
bellard committed
251
PicState2 *isa_pic;
252

253
static uint32_t default_ioport_readb(void *opaque, uint32_t address)
254 255
{
#ifdef DEBUG_UNUSED_IOPORT
ths's avatar
ths committed
256
    fprintf(stderr, "unused inb: port=0x%04x\n", address);
257
#endif
bellard's avatar
bellard committed
258
    return 0xff;
259 260
}

261
static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
262 263
{
#ifdef DEBUG_UNUSED_IOPORT
ths's avatar
ths committed
264
    fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
265 266 267 268
#endif
}

/* default is to make two byte accesses */
269
static uint32_t default_ioport_readw(void *opaque, uint32_t address)
270 271
{
    uint32_t data;
bellard's avatar
bellard committed
272 273 274
    data = ioport_read_table[0][address](ioport_opaque[address], address);
    address = (address + 1) & (MAX_IOPORTS - 1);
    data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
275 276 277
    return data;
}

278
static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
279
{
bellard's avatar
bellard committed
280 281 282
    ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
    address = (address + 1) & (MAX_IOPORTS - 1);
    ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
283 284
}

285
static uint32_t default_ioport_readl(void *opaque, uint32_t address)
286
{
bellard's avatar
bellard committed
287
#ifdef DEBUG_UNUSED_IOPORT
ths's avatar
ths committed
288
    fprintf(stderr, "unused inl: port=0x%04x\n", address);
bellard's avatar
bellard committed
289 290
#endif
    return 0xffffffff;
291 292
}

293
static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
294
{
bellard's avatar
bellard committed
295
#ifdef DEBUG_UNUSED_IOPORT
ths's avatar
ths committed
296
    fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
bellard's avatar
bellard committed
297
#endif
298 299
}

300
static void init_ioports(void)
301 302 303
{
    int i;

bellard's avatar
bellard committed
304 305 306 307 308 309 310 311
    for(i = 0; i < MAX_IOPORTS; i++) {
        ioport_read_table[0][i] = default_ioport_readb;
        ioport_write_table[0][i] = default_ioport_writeb;
        ioport_read_table[1][i] = default_ioport_readw;
        ioport_write_table[1][i] = default_ioport_writew;
        ioport_read_table[2][i] = default_ioport_readl;
        ioport_write_table[2][i] = default_ioport_writel;
    }
312 313
}

bellard's avatar
bellard committed
314
/* size is the word size in byte */
315
int register_ioport_read(int start, int length, int size,
316
                         IOPortReadFunc *func, void *opaque)
bellard's avatar
bellard committed
317
{
bellard's avatar
bellard committed
318
    int i, bsize;
bellard's avatar
bellard committed
319

320
    if (size == 1) {
bellard's avatar
bellard committed
321
        bsize = 0;
322
    } else if (size == 2) {
bellard's avatar
bellard committed
323
        bsize = 1;
324
    } else if (size == 4) {
bellard's avatar
bellard committed
325
        bsize = 2;
326
    } else {
327
        hw_error("register_ioport_read: invalid size");
bellard's avatar
bellard committed
328
        return -1;
329 330
    }
    for(i = start; i < start + length; i += size) {
bellard's avatar
bellard committed
331
        ioport_read_table[bsize][i] = func;
332
        if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
333
            hw_error("register_ioport_read: invalid opaque");
334 335
        ioport_opaque[i] = opaque;
    }
bellard's avatar
bellard committed
336 337 338
    return 0;
}

bellard's avatar
bellard committed
339
/* size is the word size in byte */
340
int register_ioport_write(int start, int length, int size,
341
                          IOPortWriteFunc *func, void *opaque)
bellard's avatar
bellard committed
342
{
bellard's avatar
bellard committed
343
    int i, bsize;
bellard's avatar
bellard committed
344

345
    if (size == 1) {
bellard's avatar
bellard committed
346
        bsize = 0;
347
    } else if (size == 2) {
bellard's avatar
bellard committed
348
        bsize = 1;
349
    } else if (size == 4) {
bellard's avatar
bellard committed
350
        bsize = 2;
351
    } else {
352
        hw_error("register_ioport_write: invalid size");
bellard's avatar
bellard committed
353
        return -1;
354 355
    }
    for(i = start; i < start + length; i += size) {
bellard's avatar
bellard committed
356
        ioport_write_table[bsize][i] = func;
357 358
        if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
            hw_error("register_ioport_write: invalid opaque");
359 360
        ioport_opaque[i] = opaque;
    }
bellard's avatar
bellard committed
361 362 363
    return 0;
}

bellard's avatar
bellard committed
364 365 366 367 368 369 370 371 372 373 374 375 376 377 378
void isa_unassign_ioport(int start, int length)
{
    int i;

    for(i = start; i < start + length; i++) {
        ioport_read_table[0][i] = default_ioport_readb;
        ioport_read_table[1][i] = default_ioport_readw;
        ioport_read_table[2][i] = default_ioport_readl;

        ioport_write_table[0][i] = default_ioport_writeb;
        ioport_write_table[1][i] = default_ioport_writew;
        ioport_write_table[2][i] = default_ioport_writel;
    }
}

bellard's avatar
bellard committed
379 380
/***********************************************************/

381
void cpu_outb(CPUState *env, int addr, int val)
382
{
383 384 385
#ifdef DEBUG_IOPORT
    if (loglevel & CPU_LOG_IOPORT)
        fprintf(logfile, "outb: %04x %02x\n", addr, val);
386
#endif
387
    ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
388 389 390 391
#ifdef USE_KQEMU
    if (env)
        env->last_io_time = cpu_get_time_fast();
#endif
392 393
}

394
void cpu_outw(CPUState *env, int addr, int val)
395
{
396 397 398
#ifdef DEBUG_IOPORT
    if (loglevel & CPU_LOG_IOPORT)
        fprintf(logfile, "outw: %04x %04x\n", addr, val);
399
#endif
400
    ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
401 402 403 404
#ifdef USE_KQEMU
    if (env)
        env->last_io_time = cpu_get_time_fast();
#endif
405 406
}

407
void cpu_outl(CPUState *env, int addr, int val)
408
{
409 410 411 412
#ifdef DEBUG_IOPORT
    if (loglevel & CPU_LOG_IOPORT)
        fprintf(logfile, "outl: %04x %08x\n", addr, val);
#endif
413
    ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
414 415 416 417
#ifdef USE_KQEMU
    if (env)
        env->last_io_time = cpu_get_time_fast();
#endif
418 419
}

420
int cpu_inb(CPUState *env, int addr)
421
{
422 423 424 425 426
    int val;
    val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
#ifdef DEBUG_IOPORT
    if (loglevel & CPU_LOG_IOPORT)
        fprintf(logfile, "inb : %04x %02x\n", addr, val);
427 428 429 430
#endif
#ifdef USE_KQEMU
    if (env)
        env->last_io_time = cpu_get_time_fast();
431 432
#endif
    return val;
433 434
}

435
int cpu_inw(CPUState *env, int addr)
436
{
437 438 439 440 441
    int val;
    val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
#ifdef DEBUG_IOPORT
    if (loglevel & CPU_LOG_IOPORT)
        fprintf(logfile, "inw : %04x %04x\n", addr, val);
442 443 444 445
#endif
#ifdef USE_KQEMU
    if (env)
        env->last_io_time = cpu_get_time_fast();
446 447
#endif
    return val;
448 449
}

450
int cpu_inl(CPUState *env, int addr)
451
{
452 453 454 455 456
    int val;
    val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
#ifdef DEBUG_IOPORT
    if (loglevel & CPU_LOG_IOPORT)
        fprintf(logfile, "inl : %04x %08x\n", addr, val);
457 458 459 460
#endif
#ifdef USE_KQEMU
    if (env)
        env->last_io_time = cpu_get_time_fast();
461 462
#endif
    return val;
463 464 465 466 467 468
}

/***********************************************************/
void hw_error(const char *fmt, ...)
{
    va_list ap;
bellard's avatar
bellard committed
469
    CPUState *env;
470 471 472 473 474

    va_start(ap, fmt);
    fprintf(stderr, "qemu: hardware error: ");
    vfprintf(stderr, fmt, ap);
    fprintf(stderr, "\n");
bellard's avatar
bellard committed
475 476
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
        fprintf(stderr, "CPU #%d:\n", env->cpu_index);
477
#ifdef TARGET_I386
bellard's avatar
bellard committed
478
        cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
479
#else
bellard's avatar
bellard committed
480
        cpu_dump_state(env, stderr, fprintf, 0);
481
#endif
bellard's avatar
bellard committed
482
    }
483 484 485 486
    va_end(ap);
    abort();
}

bellard's avatar
bellard committed
487 488 489 490 491
/***********************************************************/
/* keyboard/mouse */

static QEMUPutKBDEvent *qemu_put_kbd_event;
static void *qemu_put_kbd_event_opaque;
492 493
static QEMUPutMouseEntry *qemu_put_mouse_event_head;
static QEMUPutMouseEntry *qemu_put_mouse_event_current;
bellard's avatar
bellard committed
494 495 496 497 498 499 500

void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
{
    qemu_put_kbd_event_opaque = opaque;
    qemu_put_kbd_event = func;
}

501 502 503
QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
                                                void *opaque, int absolute,
                                                const char *name)
bellard's avatar
bellard committed
504
{
505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562
    QEMUPutMouseEntry *s, *cursor;

    s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
    if (!s)
        return NULL;

    s->qemu_put_mouse_event = func;
    s->qemu_put_mouse_event_opaque = opaque;
    s->qemu_put_mouse_event_absolute = absolute;
    s->qemu_put_mouse_event_name = qemu_strdup(name);
    s->next = NULL;

    if (!qemu_put_mouse_event_head) {
        qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
        return s;
    }

    cursor = qemu_put_mouse_event_head;
    while (cursor->next != NULL)
        cursor = cursor->next;

    cursor->next = s;
    qemu_put_mouse_event_current = s;

    return s;
}

void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
{
    QEMUPutMouseEntry *prev = NULL, *cursor;

    if (!qemu_put_mouse_event_head || entry == NULL)
        return;

    cursor = qemu_put_mouse_event_head;
    while (cursor != NULL && cursor != entry) {
        prev = cursor;
        cursor = cursor->next;
    }

    if (cursor == NULL) // does not exist or list empty
        return;
    else if (prev == NULL) { // entry is head
        qemu_put_mouse_event_head = cursor->next;
        if (qemu_put_mouse_event_current == entry)
            qemu_put_mouse_event_current = cursor->next;
        qemu_free(entry->qemu_put_mouse_event_name);
        qemu_free(entry);
        return;
    }

    prev->next = entry->next;

    if (qemu_put_mouse_event_current == entry)
        qemu_put_mouse_event_current = prev;

    qemu_free(entry->qemu_put_mouse_event_name);
    qemu_free(entry);
bellard's avatar
bellard committed
563 564 565 566 567 568 569 570 571 572 573
}

void kbd_put_keycode(int keycode)
{
    if (qemu_put_kbd_event) {
        qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
    }
}

void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
{
574 575
    QEMUPutMouseEvent *mouse_event;
    void *mouse_event_opaque;
576
    int width;
577 578 579 580 581 582 583 584 585 586 587

    if (!qemu_put_mouse_event_current) {
        return;
    }

    mouse_event =
        qemu_put_mouse_event_current->qemu_put_mouse_event;
    mouse_event_opaque =
        qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;

    if (mouse_event) {
588 589 590 591
        if (graphic_rotate) {
            if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
                width = 0x7fff;
            else
592
                width = graphic_width - 1;
593 594 595 596 597
            mouse_event(mouse_event_opaque,
                                 width - dy, dx, dz, buttons_state);
        } else
            mouse_event(mouse_event_opaque,
                                 dx, dy, dz, buttons_state);
bellard's avatar
bellard committed
598 599 600
    }
}

601 602
int kbd_mouse_is_absolute(void)
{
603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649
    if (!qemu_put_mouse_event_current)
        return 0;

    return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
}

void do_info_mice(void)
{
    QEMUPutMouseEntry *cursor;
    int index = 0;

    if (!qemu_put_mouse_event_head) {
        term_printf("No mouse devices connected\n");
        return;
    }

    term_printf("Mouse devices available:\n");
    cursor = qemu_put_mouse_event_head;
    while (cursor != NULL) {
        term_printf("%c Mouse #%d: %s\n",
                    (cursor == qemu_put_mouse_event_current ? '*' : ' '),
                    index, cursor->qemu_put_mouse_event_name);
        index++;
        cursor = cursor->next;
    }
}

void do_mouse_set(int index)
{
    QEMUPutMouseEntry *cursor;
    int i = 0;

    if (!qemu_put_mouse_event_head) {
        term_printf("No mouse devices connected\n");
        return;
    }

    cursor = qemu_put_mouse_event_head;
    while (cursor != NULL && index != i) {
        i++;
        cursor = cursor->next;
    }

    if (cursor != NULL)
        qemu_put_mouse_event_current = cursor;
    else
        term_printf("Mouse at given index not found\n");
650 651
}

652 653
/* compute with 96 bit intermediate result: (a*b)/c */
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
654
{
655 656 657 658 659 660 661
    union {
        uint64_t ll;
        struct {
#ifdef WORDS_BIGENDIAN
            uint32_t high, low;
#else
            uint32_t low, high;
662
#endif
663 664 665
        } l;
    } u, res;
    uint64_t rl, rh;
666

667 668 669 670 671 672 673
    u.ll = a;
    rl = (uint64_t)u.l.low * (uint64_t)b;
    rh = (uint64_t)u.l.high * (uint64_t)b;
    rh += (rl >> 32);
    res.l.high = rh / c;
    res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
    return res.ll;
674 675
}

676 677
/***********************************************************/
/* real time host monotonic timer */
678

679
#define QEMU_TIMER_BASE 1000000000LL
680

681
#ifdef WIN32
682

683
static int64_t clock_freq;
bellard's avatar
bellard committed
684

685
static void init_get_clock(void)
bellard's avatar
bellard committed
686
{
687 688
    LARGE_INTEGER freq;
    int ret;
689 690 691 692 693 694
    ret = QueryPerformanceFrequency(&freq);
    if (ret == 0) {
        fprintf(stderr, "Could not calibrate ticks\n");
        exit(1);
    }
    clock_freq = freq.QuadPart;
bellard's avatar
bellard committed
695 696
}

697
static int64_t get_clock(void)
bellard's avatar
bellard committed
698
{
699 700 701
    LARGE_INTEGER ti;
    QueryPerformanceCounter(&ti);
    return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
bellard's avatar
bellard committed
702 703
}

704
#else
bellard's avatar
bellard committed
705

706 707 708
static int use_rt_clock;

static void init_get_clock(void)
bellard's avatar
bellard committed
709
{
710 711 712 713 714 715 716 717 718
    use_rt_clock = 0;
#if defined(__linux__)
    {
        struct timespec ts;
        if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
            use_rt_clock = 1;
        }
    }
#endif
bellard's avatar
bellard committed
719 720
}

721
static int64_t get_clock(void)
bellard's avatar
bellard committed
722
{
723 724 725 726 727
#if defined(__linux__)
    if (use_rt_clock) {
        struct timespec ts;
        clock_gettime(CLOCK_MONOTONIC, &ts);
        return ts.tv_sec * 1000000000LL + ts.tv_nsec;
728
    } else
bellard's avatar
bellard committed
729
#endif
730 731 732 733 734 735 736
    {
        /* XXX: using gettimeofday leads to problems if the date
           changes, so it should be avoided. */
        struct timeval tv;
        gettimeofday(&tv, NULL);
        return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
    }
bellard's avatar
bellard committed
737 738
}

739 740
#endif

741 742 743
/***********************************************************/
/* guest cycle counter */

744
static int64_t cpu_ticks_prev;
745
static int64_t cpu_ticks_offset;
746
static int64_t cpu_clock_offset;
747
static int cpu_ticks_enabled;
748

749 750
/* return the host CPU cycle counter and handle stop/restart */
int64_t cpu_get_ticks(void)
751
{
752 753 754
    if (!cpu_ticks_enabled) {
        return cpu_ticks_offset;
    } else {
755 756 757 758 759 760 761 762 763
        int64_t ticks;
        ticks = cpu_get_real_ticks();
        if (cpu_ticks_prev > ticks) {
            /* Note: non increasing ticks may happen if the host uses
               software suspend */
            cpu_ticks_offset += cpu_ticks_prev - ticks;
        }
        cpu_ticks_prev = ticks;
        return ticks + cpu_ticks_offset;
764
    }
765 766
}

767 768 769 770 771 772 773 774 775 776 777 778
/* return the host CPU monotonic timer and handle stop/restart */
static int64_t cpu_get_clock(void)
{
    int64_t ti;
    if (!cpu_ticks_enabled) {
        return cpu_clock_offset;
    } else {
        ti = get_clock();
        return ti + cpu_clock_offset;
    }
}

779 780 781
/* enable cpu_get_ticks() */
void cpu_enable_ticks(void)
{
782 783
    if (!cpu_ticks_enabled) {
        cpu_ticks_offset -= cpu_get_real_ticks();
784
        cpu_clock_offset -= get_clock();
785 786
        cpu_ticks_enabled = 1;
    }
787 788 789 790 791 792
}

/* disable cpu_get_ticks() : the clock is stopped. You must not call
   cpu_get_ticks() after that.  */
void cpu_disable_ticks(void)
{
793 794
    if (cpu_ticks_enabled) {
        cpu_ticks_offset = cpu_get_ticks();
795
        cpu_clock_offset = cpu_get_clock();
796 797
        cpu_ticks_enabled = 0;
    }
798 799
}

800 801
/***********************************************************/
/* timers */
802

803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818
#define QEMU_TIMER_REALTIME 0
#define QEMU_TIMER_VIRTUAL  1

struct QEMUClock {
    int type;
    /* XXX: add frequency */
};

struct QEMUTimer {
    QEMUClock *clock;
    int64_t expire_time;
    QEMUTimerCB *cb;
    void *opaque;
    struct QEMUTimer *next;
};

819 820
struct qemu_alarm_timer {
    char const *name;
821
    unsigned int flags;
822 823 824

    int (*start)(struct qemu_alarm_timer *t);
    void (*stop)(struct qemu_alarm_timer *t);
825
    void (*rearm)(struct qemu_alarm_timer *t);
826 827 828
    void *priv;
};

829
#define ALARM_FLAG_DYNTICKS  0x1
830
#define ALARM_FLAG_EXPIRED   0x2
831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847

static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
{
    return t->flags & ALARM_FLAG_DYNTICKS;
}

static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
{
    if (!alarm_has_dynticks(t))
        return;

    t->rearm(t);
}

/* TODO: MIN_TIMER_REARM_US should be optimized */
#define MIN_TIMER_REARM_US 250

848
static struct qemu_alarm_timer *alarm_timer;
849

bellard's avatar
bellard committed
850
#ifdef _WIN32
851 852 853 854 855 856 857 858 859

struct qemu_alarm_win32 {
    MMRESULT timerId;
    HANDLE host_alarm;
    unsigned int period;
} alarm_win32_data = {0, NULL, -1};

static int win32_start_timer(struct qemu_alarm_timer *t);
static void win32_stop_timer(struct qemu_alarm_timer *t);
860
static void win32_rearm_timer(struct qemu_alarm_timer *t);
861

bellard's avatar
bellard committed
862
#else
863 864 865 866

static int unix_start_timer(struct qemu_alarm_timer *t);
static void unix_stop_timer(struct qemu_alarm_timer *t);

867 868
#ifdef __linux__

869 870 871 872
static int dynticks_start_timer(struct qemu_alarm_timer *t);
static void dynticks_stop_timer(struct qemu_alarm_timer *t);
static void dynticks_rearm_timer(struct qemu_alarm_timer *t);

ths's avatar
ths committed
873 874 875
static int hpet_start_timer(struct qemu_alarm_timer *t);
static void hpet_stop_timer(struct qemu_alarm_timer *t);

876 877 878
static int rtc_start_timer(struct qemu_alarm_timer *t);
static void rtc_stop_timer(struct qemu_alarm_timer *t);

879
#endif /* __linux__ */
880

881 882 883
#endif /* _WIN32 */

static struct qemu_alarm_timer alarm_timers[] = {
884
#ifndef _WIN32
885
#ifdef __linux__
886 887
    {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
     dynticks_stop_timer, dynticks_rearm_timer, NULL},
ths's avatar
ths committed
888
    /* HPET - if available - is preferred */
889
    {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
ths's avatar
ths committed
890
    /* ...otherwise try RTC */
891
    {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
892
#endif
893
    {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
894
#else
895 896 897 898
    {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
     win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
    {"win32", 0, win32_start_timer,
     win32_stop_timer, NULL, &alarm_win32_data},
899 900 901 902
#endif
    {NULL, }
};

903
static void show_available_alarms(void)
904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919
{
    int i;

    printf("Available alarm timers, in order of precedence:\n");
    for (i = 0; alarm_timers[i].name; i++)
        printf("%s\n", alarm_timers[i].name);
}

static void configure_alarms(char const *opt)
{
    int i;
    int cur = 0;
    int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1;
    char *arg;
    char *name;

920
    if (!strcmp(opt, "?")) {
921 922 923 924 925 926 927 928 929 930 931
        show_available_alarms();
        exit(0);
    }

    arg = strdup(opt);

    /* Reorder the array */
    name = strtok(arg, ",");
    while (name) {
        struct qemu_alarm_timer tmp;

932
        for (i = 0; i < count && alarm_timers[i].name; i++) {
933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961
            if (!strcmp(alarm_timers[i].name, name))
                break;
        }

        if (i == count) {
            fprintf(stderr, "Unknown clock %s\n", name);
            goto next;
        }

        if (i < cur)
            /* Ignore */
            goto next;

	/* Swap */
        tmp = alarm_timers[i];
        alarm_timers[i] = alarm_timers[cur];
        alarm_timers[cur] = tmp;

        cur++;
next:
        name = strtok(NULL, ",");
    }

    free(arg);

    if (cur) {
	/* Disable remaining timers */
        for (i = cur; i < count; i++)
            alarm_timers[i].name = NULL;
962 963 964
    } else {
        show_available_alarms();
        exit(1);
965 966 967
    }
}

968 969 970 971 972
QEMUClock *rt_clock;
QEMUClock *vm_clock;

static QEMUTimer *active_timers[2];