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/*
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 * QEMU System Emulator
3
 *
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 * Copyright (c) 2003-2008 Fabrice Bellard
5
 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 */
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#include "hw/hw.h"
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#include "hw/boards.h"
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#include "hw/usb.h"
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#include "hw/pcmcia.h"
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#include "hw/pc.h"
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#include "hw/audiodev.h"
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#include "hw/isa.h"
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#include "hw/baum.h"
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#include "net.h"
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#include "console.h"
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#include "sysemu.h"
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#include "gdbstub.h"
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#include "qemu-timer.h"
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#include "qemu-char.h"
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#include "block.h"
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#include "audio/audio.h"
40

    
41
#include <unistd.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <time.h>
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#include <errno.h>
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#include <sys/time.h>
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#include <zlib.h>
48

    
49
#ifndef _WIN32
50
#include <sys/times.h>
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#include <sys/wait.h>
52
#include <termios.h>
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#include <sys/poll.h>
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#include <sys/mman.h>
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#include <sys/ioctl.h>
56
#include <sys/socket.h>
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#include <netinet/in.h>
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#include <dirent.h>
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#include <netdb.h>
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#include <sys/select.h>
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#include <arpa/inet.h>
62
#ifdef _BSD
63
#include <sys/stat.h>
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#ifndef __APPLE__
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#include <libutil.h>
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#endif
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#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
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#include <freebsd/stdlib.h>
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#else
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#ifndef __sun__
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#include <linux/if.h>
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#include <linux/if_tun.h>
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#include <pty.h>
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#include <malloc.h>
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#include <linux/rtc.h>
76

    
77
/* For the benefit of older linux systems which don't supply it,
78
   we use a local copy of hpet.h. */
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/* #include <linux/hpet.h> */
80
#include "hpet.h"
81

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

    
105
#if defined(CONFIG_SLIRP)
106
#include "libslirp.h"
107
#endif
108

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

    
117
#include "qemu_socket.h"
118

    
119
#ifdef CONFIG_SDL
120
#ifdef __APPLE__
121
#include <SDL/SDL.h>
122
#endif
123
#endif /* CONFIG_SDL */
124

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

    
130
#include "disas.h"
131

    
132
#include "exec-all.h"
133

    
134
#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
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#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
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#ifdef __sun__
137
#define SMBD_COMMAND "/usr/sfw/sbin/smbd"
138
#else
139
#define SMBD_COMMAND "/usr/sbin/smbd"
140
#endif
141

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

    
145
#ifdef TARGET_PPC
146
#define DEFAULT_RAM_SIZE 144
147
#else
148
#define DEFAULT_RAM_SIZE 128
149
#endif
150
/* in ms */
151
#define GUI_REFRESH_INTERVAL 30
152

    
153
/* Max number of USB devices that can be specified on the commandline.  */
154
#define MAX_USB_CMDLINE 8
155

    
156
/* XXX: use a two level table to limit memory usage */
157
#define MAX_IOPORTS 65536
158

    
159
const char *bios_dir = CONFIG_QEMU_SHAREDIR;
160
const char *bios_name = NULL;
161
void *ioport_opaque[MAX_IOPORTS];
162
IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
163
IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
164
/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
165
   to store the VM snapshots */
166
DriveInfo drives_table[MAX_DRIVES+1];
167
int nb_drives;
168
/* point to the block driver where the snapshots are managed */
169
BlockDriverState *bs_snapshots;
170
int vga_ram_size;
171
static DisplayState display_state;
172
int nographic;
173
int curses;
174
const char* keyboard_layout = NULL;
175
int64_t ticks_per_sec;
176
ram_addr_t ram_size;
177
int pit_min_timer_count = 0;
178
int nb_nics;
179
NICInfo nd_table[MAX_NICS];
180
int vm_running;
181
static int rtc_utc = 1;
182
static int rtc_date_offset = -1; /* -1 means no change */
183
int cirrus_vga_enabled = 1;
184
int vmsvga_enabled = 0;
185
#ifdef TARGET_SPARC
186
int graphic_width = 1024;
187
int graphic_height = 768;
188
int graphic_depth = 8;
189
#else
190
int graphic_width = 800;
191
int graphic_height = 600;
192
int graphic_depth = 15;
193
#endif
194
int full_screen = 0;
195
int no_frame = 0;
196
int no_quit = 0;
197
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
198
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
199
#ifdef TARGET_I386
200
int win2k_install_hack = 0;
201
#endif
202
int usb_enabled = 0;
203
static VLANState *first_vlan;
204
int smp_cpus = 1;
205
const char *vnc_display;
206
#if defined(TARGET_SPARC)
207
#define MAX_CPUS 16
208
#elif defined(TARGET_I386)
209
#define MAX_CPUS 255
210
#else
211
#define MAX_CPUS 1
212
#endif
213
int acpi_enabled = 1;
214
int fd_bootchk = 1;
215
int no_reboot = 0;
216
int no_shutdown = 0;
217
int cursor_hide = 1;
218
int graphic_rotate = 0;
219
int daemonize = 0;
220
const char *option_rom[MAX_OPTION_ROMS];
221
int nb_option_roms;
222
int semihosting_enabled = 0;
223
int autostart = 1;
224
#ifdef TARGET_ARM
225
int old_param = 0;
226
#endif
227
const char *qemu_name;
228
int alt_grab = 0;
229
#ifdef TARGET_SPARC
230
unsigned int nb_prom_envs = 0;
231
const char *prom_envs[MAX_PROM_ENVS];
232
#endif
233
int nb_drives_opt;
234
struct drive_opt {
235
    const char *file;
236
    char opt[1024];
237
} drives_opt[MAX_DRIVES];
238

    
239
static CPUState *cur_cpu;
240
static CPUState *next_cpu;
241
static int event_pending = 1;
242

    
243
#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
244

    
245
/***********************************************************/
246
/* x86 ISA bus support */
247

    
248
target_phys_addr_t isa_mem_base = 0;
249
PicState2 *isa_pic;
250

    
251
static uint32_t default_ioport_readb(void *opaque, uint32_t address)
252
{
253
#ifdef DEBUG_UNUSED_IOPORT
254
    fprintf(stderr, "unused inb: port=0x%04x\n", address);
255
#endif
256
    return 0xff;
257
}
258

    
259
static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
260
{
261
#ifdef DEBUG_UNUSED_IOPORT
262
    fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
263
#endif
264
}
265

    
266
/* default is to make two byte accesses */
267
static uint32_t default_ioport_readw(void *opaque, uint32_t address)
268
{
269
    uint32_t data;
270
    data = ioport_read_table[0][address](ioport_opaque[address], address);
271
    address = (address + 1) & (MAX_IOPORTS - 1);
272
    data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
273
    return data;
274
}
275

    
276
static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
277
{
278
    ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
279
    address = (address + 1) & (MAX_IOPORTS - 1);
280
    ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
281
}
282

    
283
static uint32_t default_ioport_readl(void *opaque, uint32_t address)
284
{
285
#ifdef DEBUG_UNUSED_IOPORT
286
    fprintf(stderr, "unused inl: port=0x%04x\n", address);
287
#endif
288
    return 0xffffffff;
289
}
290

    
291
static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
292
{
293
#ifdef DEBUG_UNUSED_IOPORT
294
    fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
295
#endif
296
}
297

    
298
static void init_ioports(void)
299
{
300
    int i;
301

    
302
    for(i = 0; i < MAX_IOPORTS; i++) {
303
        ioport_read_table[0][i] = default_ioport_readb;
304
        ioport_write_table[0][i] = default_ioport_writeb;
305
        ioport_read_table[1][i] = default_ioport_readw;
306
        ioport_write_table[1][i] = default_ioport_writew;
307
        ioport_read_table[2][i] = default_ioport_readl;
308
        ioport_write_table[2][i] = default_ioport_writel;
309
    }
310
}
311

    
312
/* size is the word size in byte */
313
int register_ioport_read(int start, int length, int size,
314
                         IOPortReadFunc *func, void *opaque)
315
{
316
    int i, bsize;
317

    
318
    if (size == 1) {
319
        bsize = 0;
320
    } else if (size == 2) {
321
        bsize = 1;
322
    } else if (size == 4) {
323
        bsize = 2;
324
    } else {
325
        hw_error("register_ioport_read: invalid size");
326
        return -1;
327
    }
328
    for(i = start; i < start + length; i += size) {
329
        ioport_read_table[bsize][i] = func;
330
        if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
331
            hw_error("register_ioport_read: invalid opaque");
332
        ioport_opaque[i] = opaque;
333
    }
334
    return 0;
335
}
336

    
337
/* size is the word size in byte */
338
int register_ioport_write(int start, int length, int size,
339
                          IOPortWriteFunc *func, void *opaque)
340
{
341
    int i, bsize;
342

    
343
    if (size == 1) {
344
        bsize = 0;
345
    } else if (size == 2) {
346
        bsize = 1;
347
    } else if (size == 4) {
348
        bsize = 2;
349
    } else {
350
        hw_error("register_ioport_write: invalid size");
351
        return -1;
352
    }
353
    for(i = start; i < start + length; i += size) {
354
        ioport_write_table[bsize][i] = func;
355
        if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
356
            hw_error("register_ioport_write: invalid opaque");
357
        ioport_opaque[i] = opaque;
358
    }
359
    return 0;
360
}
361

    
362
void isa_unassign_ioport(int start, int length)
363
{
364
    int i;
365

    
366
    for(i = start; i < start + length; i++) {
367
        ioport_read_table[0][i] = default_ioport_readb;
368
        ioport_read_table[1][i] = default_ioport_readw;
369
        ioport_read_table[2][i] = default_ioport_readl;
370

    
371
        ioport_write_table[0][i] = default_ioport_writeb;
372
        ioport_write_table[1][i] = default_ioport_writew;
373
        ioport_write_table[2][i] = default_ioport_writel;
374
    }
375
}
376

    
377
/***********************************************************/
378

    
379
void cpu_outb(CPUState *env, int addr, int val)
380
{
381
#ifdef DEBUG_IOPORT
382
    if (loglevel & CPU_LOG_IOPORT)
383
        fprintf(logfile, "outb: %04x %02x\n", addr, val);
384
#endif
385
    ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
386
#ifdef USE_KQEMU
387
    if (env)
388
        env->last_io_time = cpu_get_time_fast();
389
#endif
390
}
391

    
392
void cpu_outw(CPUState *env, int addr, int val)
393
{
394
#ifdef DEBUG_IOPORT
395
    if (loglevel & CPU_LOG_IOPORT)
396
        fprintf(logfile, "outw: %04x %04x\n", addr, val);
397
#endif
398
    ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
399
#ifdef USE_KQEMU
400
    if (env)
401
        env->last_io_time = cpu_get_time_fast();
402
#endif
403
}
404

    
405
void cpu_outl(CPUState *env, int addr, int val)
406
{
407
#ifdef DEBUG_IOPORT
408
    if (loglevel & CPU_LOG_IOPORT)
409
        fprintf(logfile, "outl: %04x %08x\n", addr, val);
410
#endif
411
    ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
412
#ifdef USE_KQEMU
413
    if (env)
414
        env->last_io_time = cpu_get_time_fast();
415
#endif
416
}
417

    
418
int cpu_inb(CPUState *env, int addr)
419
{
420
    int val;
421
    val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
422
#ifdef DEBUG_IOPORT
423
    if (loglevel & CPU_LOG_IOPORT)
424
        fprintf(logfile, "inb : %04x %02x\n", addr, val);
425
#endif
426
#ifdef USE_KQEMU
427
    if (env)
428
        env->last_io_time = cpu_get_time_fast();
429
#endif
430
    return val;
431
}
432

    
433
int cpu_inw(CPUState *env, int addr)
434
{
435
    int val;
436
    val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
437
#ifdef DEBUG_IOPORT
438
    if (loglevel & CPU_LOG_IOPORT)
439
        fprintf(logfile, "inw : %04x %04x\n", addr, val);
440
#endif
441
#ifdef USE_KQEMU
442
    if (env)
443
        env->last_io_time = cpu_get_time_fast();
444
#endif
445
    return val;
446
}
447

    
448
int cpu_inl(CPUState *env, int addr)
449
{
450
    int val;
451
    val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
452
#ifdef DEBUG_IOPORT
453
    if (loglevel & CPU_LOG_IOPORT)
454
        fprintf(logfile, "inl : %04x %08x\n", addr, val);
455
#endif
456
#ifdef USE_KQEMU
457
    if (env)
458
        env->last_io_time = cpu_get_time_fast();
459
#endif
460
    return val;
461
}
462

    
463
/***********************************************************/
464
void hw_error(const char *fmt, ...)
465
{
466
    va_list ap;
467
    CPUState *env;
468

    
469
    va_start(ap, fmt);
470
    fprintf(stderr, "qemu: hardware error: ");
471
    vfprintf(stderr, fmt, ap);
472
    fprintf(stderr, "\n");
473
    for(env = first_cpu; env != NULL; env = env->next_cpu) {
474
        fprintf(stderr, "CPU #%d:\n", env->cpu_index);
475
#ifdef TARGET_I386
476
        cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
477
#else
478
        cpu_dump_state(env, stderr, fprintf, 0);
479
#endif
480
    }
481
    va_end(ap);
482
    abort();
483
}
484

    
485
/***********************************************************/
486
/* keyboard/mouse */
487

    
488
static QEMUPutKBDEvent *qemu_put_kbd_event;
489
static void *qemu_put_kbd_event_opaque;
490
static QEMUPutMouseEntry *qemu_put_mouse_event_head;
491
static QEMUPutMouseEntry *qemu_put_mouse_event_current;
492

    
493
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
494
{
495
    qemu_put_kbd_event_opaque = opaque;
496
    qemu_put_kbd_event = func;
497
}
498

    
499
QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
500
                                                void *opaque, int absolute,
501
                                                const char *name)
502
{
503
    QEMUPutMouseEntry *s, *cursor;
504

    
505
    s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
506
    if (!s)
507
        return NULL;
508

    
509
    s->qemu_put_mouse_event = func;
510
    s->qemu_put_mouse_event_opaque = opaque;
511
    s->qemu_put_mouse_event_absolute = absolute;
512
    s->qemu_put_mouse_event_name = qemu_strdup(name);
513
    s->next = NULL;
514

    
515
    if (!qemu_put_mouse_event_head) {
516
        qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
517
        return s;
518
    }
519

    
520
    cursor = qemu_put_mouse_event_head;
521
    while (cursor->next != NULL)
522
        cursor = cursor->next;
523

    
524
    cursor->next = s;
525
    qemu_put_mouse_event_current = s;
526

    
527
    return s;
528
}
529

    
530
void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
531
{
532
    QEMUPutMouseEntry *prev = NULL, *cursor;
533

    
534
    if (!qemu_put_mouse_event_head || entry == NULL)
535
        return;
536

    
537
    cursor = qemu_put_mouse_event_head;
538
    while (cursor != NULL && cursor != entry) {
539
        prev = cursor;
540
        cursor = cursor->next;
541
    }
542

    
543
    if (cursor == NULL) // does not exist or list empty
544
        return;
545
    else if (prev == NULL) { // entry is head
546
        qemu_put_mouse_event_head = cursor->next;
547
        if (qemu_put_mouse_event_current == entry)
548
            qemu_put_mouse_event_current = cursor->next;
549
        qemu_free(entry->qemu_put_mouse_event_name);
550
        qemu_free(entry);
551
        return;
552
    }
553

    
554
    prev->next = entry->next;
555

    
556
    if (qemu_put_mouse_event_current == entry)
557
        qemu_put_mouse_event_current = prev;
558

    
559
    qemu_free(entry->qemu_put_mouse_event_name);
560
    qemu_free(entry);
561
}
562

    
563
void kbd_put_keycode(int keycode)
564
{
565
    if (qemu_put_kbd_event) {
566
        qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
567
    }
568
}
569

    
570
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
571
{
572
    QEMUPutMouseEvent *mouse_event;
573
    void *mouse_event_opaque;
574
    int width;
575

    
576
    if (!qemu_put_mouse_event_current) {
577
        return;
578
    }
579

    
580
    mouse_event =
581
        qemu_put_mouse_event_current->qemu_put_mouse_event;
582
    mouse_event_opaque =
583
        qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
584

    
585
    if (mouse_event) {
586
        if (graphic_rotate) {
587
            if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
588
                width = 0x7fff;
589
            else
590
                width = graphic_width - 1;
591
            mouse_event(mouse_event_opaque,
592
                                 width - dy, dx, dz, buttons_state);
593
        } else
594
            mouse_event(mouse_event_opaque,
595
                                 dx, dy, dz, buttons_state);
596
    }
597
}
598

    
599
int kbd_mouse_is_absolute(void)
600
{
601
    if (!qemu_put_mouse_event_current)
602
        return 0;
603

    
604
    return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
605
}
606

    
607
void do_info_mice(void)
608
{
609
    QEMUPutMouseEntry *cursor;
610
    int index = 0;
611

    
612
    if (!qemu_put_mouse_event_head) {
613
        term_printf("No mouse devices connected\n");
614
        return;
615
    }
616

    
617
    term_printf("Mouse devices available:\n");
618
    cursor = qemu_put_mouse_event_head;
619
    while (cursor != NULL) {
620
        term_printf("%c Mouse #%d: %s\n",
621
                    (cursor == qemu_put_mouse_event_current ? '*' : ' '),
622
                    index, cursor->qemu_put_mouse_event_name);
623
        index++;
624
        cursor = cursor->next;
625
    }
626
}
627

    
628
void do_mouse_set(int index)
629
{
630
    QEMUPutMouseEntry *cursor;
631
    int i = 0;
632

    
633
    if (!qemu_put_mouse_event_head) {
634
        term_printf("No mouse devices connected\n");
635
        return;
636
    }
637

    
638
    cursor = qemu_put_mouse_event_head;
639
    while (cursor != NULL && index != i) {
640
        i++;
641
        cursor = cursor->next;
642
    }
643

    
644
    if (cursor != NULL)
645
        qemu_put_mouse_event_current = cursor;
646
    else
647
        term_printf("Mouse at given index not found\n");
648
}
649

    
650
/* compute with 96 bit intermediate result: (a*b)/c */
651
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
652
{
653
    union {
654
        uint64_t ll;
655
        struct {
656
#ifdef WORDS_BIGENDIAN
657
            uint32_t high, low;
658
#else
659
            uint32_t low, high;
660
#endif
661
        } l;
662
    } u, res;
663
    uint64_t rl, rh;
664

    
665
    u.ll = a;
666
    rl = (uint64_t)u.l.low * (uint64_t)b;
667
    rh = (uint64_t)u.l.high * (uint64_t)b;
668
    rh += (rl >> 32);
669
    res.l.high = rh / c;
670
    res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
671
    return res.ll;
672
}
673

    
674
/***********************************************************/
675
/* real time host monotonic timer */
676

    
677
#define QEMU_TIMER_BASE 1000000000LL
678

    
679
#ifdef WIN32
680

    
681
static int64_t clock_freq;
682

    
683
static void init_get_clock(void)
684
{
685
    LARGE_INTEGER freq;
686
    int ret;
687
    ret = QueryPerformanceFrequency(&freq);
688
    if (ret == 0) {
689
        fprintf(stderr, "Could not calibrate ticks\n");
690
        exit(1);
691
    }
692
    clock_freq = freq.QuadPart;
693
}
694

    
695
static int64_t get_clock(void)
696
{
697
    LARGE_INTEGER ti;
698
    QueryPerformanceCounter(&ti);
699
    return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
700
}
701

    
702
#else
703

    
704
static int use_rt_clock;
705

    
706
static void init_get_clock(void)
707
{
708
    use_rt_clock = 0;
709
#if defined(__linux__)
710
    {
711
        struct timespec ts;
712
        if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
713
            use_rt_clock = 1;
714
        }
715
    }
716
#endif
717
}
718

    
719
static int64_t get_clock(void)
720
{
721
#if defined(__linux__)
722
    if (use_rt_clock) {
723
        struct timespec ts;
724
        clock_gettime(CLOCK_MONOTONIC, &ts);
725
        return ts.tv_sec * 1000000000LL + ts.tv_nsec;
726
    } else
727
#endif
728
    {
729
        /* XXX: using gettimeofday leads to problems if the date
730
           changes, so it should be avoided. */
731
        struct timeval tv;
732
        gettimeofday(&tv, NULL);
733
        return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
734
    }
735
}
736

    
737
#endif
738

    
739
/***********************************************************/
740
/* guest cycle counter */
741

    
742
static int64_t cpu_ticks_prev;
743
static int64_t cpu_ticks_offset;
744
static int64_t cpu_clock_offset;
745
static int cpu_ticks_enabled;
746

    
747
/* return the host CPU cycle counter and handle stop/restart */
748
int64_t cpu_get_ticks(void)
749
{
750
    if (!cpu_ticks_enabled) {
751
        return cpu_ticks_offset;
752
    } else {
753
        int64_t ticks;
754
        ticks = cpu_get_real_ticks();
755
        if (cpu_ticks_prev > ticks) {
756
            /* Note: non increasing ticks may happen if the host uses
757
               software suspend */
758
            cpu_ticks_offset += cpu_ticks_prev - ticks;
759
        }
760
        cpu_ticks_prev = ticks;
761
        return ticks + cpu_ticks_offset;
762
    }
763
}
764

    
765
/* return the host CPU monotonic timer and handle stop/restart */
766
static int64_t cpu_get_clock(void)
767
{
768
    int64_t ti;
769
    if (!cpu_ticks_enabled) {
770
        return cpu_clock_offset;
771
    } else {
772
        ti = get_clock();
773
        return ti + cpu_clock_offset;
774
    }
775
}
776

    
777
/* enable cpu_get_ticks() */
778
void cpu_enable_ticks(void)
779
{
780
    if (!cpu_ticks_enabled) {
781
        cpu_ticks_offset -= cpu_get_real_ticks();
782
        cpu_clock_offset -= get_clock();
783
        cpu_ticks_enabled = 1;
784
    }
785
}
786

    
787
/* disable cpu_get_ticks() : the clock is stopped. You must not call
788
   cpu_get_ticks() after that.  */
789
void cpu_disable_ticks(void)
790
{
791
    if (cpu_ticks_enabled) {
792
        cpu_ticks_offset = cpu_get_ticks();
793
        cpu_clock_offset = cpu_get_clock();
794
        cpu_ticks_enabled = 0;
795
    }
796
}
797

    
798
/***********************************************************/
799
/* timers */
800

    
801
#define QEMU_TIMER_REALTIME 0
802
#define QEMU_TIMER_VIRTUAL  1
803

    
804
struct QEMUClock {
805
    int type;
806
    /* XXX: add frequency */
807
};
808

    
809
struct QEMUTimer {
810
    QEMUClock *clock;
811
    int64_t expire_time;
812
    QEMUTimerCB *cb;
813
    void *opaque;
814
    struct QEMUTimer *next;
815
};
816

    
817
struct qemu_alarm_timer {
818
    char const *name;
819
    unsigned int flags;
820

    
821
    int (*start)(struct qemu_alarm_timer *t);
822
    void (*stop)(struct qemu_alarm_timer *t);
823
    void (*rearm)(struct qemu_alarm_timer *t);
824
    void *priv;
825
};
826

    
827
#define ALARM_FLAG_DYNTICKS  0x1
828
#define ALARM_FLAG_EXPIRED   0x2
829

    
830
static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
831
{
832
    return t->flags & ALARM_FLAG_DYNTICKS;
833
}
834

    
835
static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
836
{
837
    if (!alarm_has_dynticks(t))
838
        return;
839

    
840
    t->rearm(t);
841
}
842

    
843
/* TODO: MIN_TIMER_REARM_US should be optimized */
844
#define MIN_TIMER_REARM_US 250
845

    
846
static struct qemu_alarm_timer *alarm_timer;
847

    
848
#ifdef _WIN32
849

    
850
struct qemu_alarm_win32 {
851
    MMRESULT timerId;
852
    HANDLE host_alarm;
853
    unsigned int period;
854
} alarm_win32_data = {0, NULL, -1};
855

    
856
static int win32_start_timer(struct qemu_alarm_timer *t);
857
static void win32_stop_timer(struct qemu_alarm_timer *t);
858
static void win32_rearm_timer(struct qemu_alarm_timer *t);
859

    
860
#else
861

    
862
static int unix_start_timer(struct qemu_alarm_timer *t);
863
static void unix_stop_timer(struct qemu_alarm_timer *t);
864

    
865
#ifdef __linux__
866

    
867
static int dynticks_start_timer(struct qemu_alarm_timer *t);
868
static void dynticks_stop_timer(struct qemu_alarm_timer *t);
869
static void dynticks_rearm_timer(struct qemu_alarm_timer *t);
870

    
871
static int hpet_start_timer(struct qemu_alarm_timer *t);
872
static void hpet_stop_timer(struct qemu_alarm_timer *t);
873

    
874
static int rtc_start_timer(struct qemu_alarm_timer *t);
875
static void rtc_stop_timer(struct qemu_alarm_timer *t);
876

    
877
#endif /* __linux__ */
878

    
879
#endif /* _WIN32 */
880

    
881
static struct qemu_alarm_timer alarm_timers[] = {
882
#ifndef _WIN32
883
#ifdef __linux__
884
    {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
885
     dynticks_stop_timer, dynticks_rearm_timer, NULL},
886
    /* HPET - if available - is preferred */
887
    {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
888
    /* ...otherwise try RTC */
889
    {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
890
#endif
891
    {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
892
#else
893
    {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
894
     win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
895
    {"win32", 0, win32_start_timer,
896
     win32_stop_timer, NULL, &alarm_win32_data},
897
#endif
898
    {NULL, }
899
};
900

    
901
static void show_available_alarms(void)
902
{
903
    int i;
904

    
905
    printf("Available alarm timers, in order of precedence:\n");
906
    for (i = 0; alarm_timers[i].name; i++)
907
        printf("%s\n", alarm_timers[i].name);
908
}
909

    
910
static void configure_alarms(char const *opt)
911
{
912
    int i;
913
    int cur = 0;
914
    int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1;
915
    char *arg;
916
    char *name;
917

    
918
    if (!strcmp(opt, "?")) {
919
        show_available_alarms();
920
        exit(0);
921
    }
922

    
923
    arg = strdup(opt);
924

    
925
    /* Reorder the array */
926
    name = strtok(arg, ",");
927
    while (name) {
928
        struct qemu_alarm_timer tmp;
929

    
930
        for (i = 0; i < count && alarm_timers[i].name; i++) {
931
            if (!strcmp(alarm_timers[i].name, name))
932
                break;
933
        }
934

    
935
        if (i == count) {
936
            fprintf(stderr, "Unknown clock %s\n", name);
937
            goto next;
938
        }
939

    
940
        if (i < cur)
941
            /* Ignore */
942
            goto next;
943

    
944
        /* Swap */
945
        tmp = alarm_timers[i];
946
        alarm_timers[i] = alarm_timers[cur];
947
        alarm_timers[cur] = tmp;
948

    
949
        cur++;
950
next:
951
        name = strtok(NULL, ",");
952
    }
953

    
954
    free(arg);
955

    
956
    if (cur) {
957
        /* Disable remaining timers */
958
        for (i = cur; i < count; i++)
959
            alarm_timers[i].name = NULL;
960
    } else {
961
        show_available_alarms();
962
        exit(1);
963
    }
964
}
965

    
966
QEMUClock *rt_clock;
967
QEMUClock *vm_clock;
968

    
969
static QEMUTimer *active_timers[2];
970

    
971
static QEMUClock *qemu_new_clock(int type)
972
{
973
    QEMUClock *clock;
974
    clock = qemu_mallocz(sizeof(QEMUClock));
975
    if (!clock)
976
        return NULL;
977
    clock->type = type;
978
    return clock;
979
}
980

    
981
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
982
{
983
    QEMUTimer *ts;
984

    
985
    ts = qemu_mallocz(sizeof(QEMUTimer));
986
    ts->clock = clock;
987
    ts->cb = cb;
988
    ts->opaque = opaque;
989
    return ts;
990
}
991

    
992
void qemu_free_timer(QEMUTimer *ts)
993
{
994
    qemu_free(ts);
995
}
996

    
997
/* stop a timer, but do not dealloc it */
998
void qemu_del_timer(QEMUTimer *ts)
999
{
1000
    QEMUTimer **pt, *t;
1001

    
1002
    /* NOTE: this code must be signal safe because
1003
       qemu_timer_expired() can be called from a signal. */
1004
    pt = &active_timers[ts->clock->type];
1005
    for(;;) {
1006
        t = *pt;
1007
        if (!t)
1008
            break;
1009
        if (t == ts) {
1010
            *pt = t->next;
1011
            break;
1012
        }
1013
        pt = &t->next;
1014
    }
1015
}
1016

    
1017
/* modify the current timer so that it will be fired when current_time
1018
   >= expire_time. The corresponding callback will be called. */
1019
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
1020
{
1021
    QEMUTimer **pt, *t;
1022

    
1023
    qemu_del_timer(ts);
1024

    
1025
    /* add the timer in the sorted list */
1026
    /* NOTE: this code must be signal safe because
1027
       qemu_timer_expired() can be called from a signal. */
1028
    pt = &active_timers[ts->clock->type];
1029
    for(;;) {
1030
        t = *pt;
1031
        if (!t)
1032
            break;
1033
        if (t->expire_time > expire_time)
1034
            break;
1035
        pt = &t->next;
1036
    }
1037
    ts->expire_time = expire_time;
1038
    ts->next = *pt;
1039
    *pt = ts;
1040

    
1041
    /* Rearm if necessary  */
1042
    if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0 &&
1043
        pt == &active_timers[ts->clock->type])
1044
        qemu_rearm_alarm_timer(alarm_timer);
1045
}
1046

    
1047
int qemu_timer_pending(QEMUTimer *ts)
1048
{
1049
    QEMUTimer *t;
1050
    for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
1051
        if (t == ts)
1052
            return 1;
1053
    }
1054
    return 0;
1055
}
1056

    
1057
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
1058
{
1059
    if (!timer_head)
1060
        return 0;
1061
    return (timer_head->expire_time <= current_time);
1062
}
1063

    
1064
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
1065
{
1066
    QEMUTimer *ts;
1067

    
1068
    for(;;) {
1069
        ts = *ptimer_head;
1070
        if (!ts || ts->expire_time > current_time)
1071
            break;
1072
        /* remove timer from the list before calling the callback */
1073
        *ptimer_head = ts->next;
1074
        ts->next = NULL;
1075

    
1076
        /* run the callback (the timer list can be modified) */
1077
        ts->cb(ts->opaque);
1078
    }
1079
}
1080

    
1081
int64_t qemu_get_clock(QEMUClock *clock)
1082
{
1083
    switch(clock->type) {
1084
    case QEMU_TIMER_REALTIME:
1085
        return get_clock() / 1000000;
1086
    default:
1087
    case QEMU_TIMER_VIRTUAL:
1088
        return cpu_get_clock();
1089
    }
1090
}
1091

    
1092
static void init_timers(void)
1093
{
1094
    init_get_clock();
1095
    ticks_per_sec = QEMU_TIMER_BASE;
1096
    rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
1097
    vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
1098
}
1099

    
1100
/* save a timer */
1101
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
1102
{
1103
    uint64_t expire_time;
1104

    
1105
    if (qemu_timer_pending(ts)) {
1106
        expire_time = ts->expire_time;
1107
    } else {
1108
        expire_time = -1;
1109
    }
1110
    qemu_put_be64(f, expire_time);
1111
}
1112

    
1113
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
1114
{
1115
    uint64_t expire_time;
1116

    
1117
    expire_time = qemu_get_be64(f);
1118
    if (expire_time != -1) {
1119
        qemu_mod_timer(ts, expire_time);
1120
    } else {
1121
        qemu_del_timer(ts);
1122
    }
1123
}
1124

    
1125
static void timer_save(QEMUFile *f, void *opaque)
1126
{
1127
    if (cpu_ticks_enabled) {
1128
        hw_error("cannot save state if virtual timers are running");
1129
    }
1130
    qemu_put_be64(f, cpu_ticks_offset);
1131
    qemu_put_be64(f, ticks_per_sec);
1132
    qemu_put_be64(f, cpu_clock_offset);
1133
}
1134

    
1135
static int timer_load(QEMUFile *f, void *opaque, int version_id)
1136
{
1137
    if (version_id != 1 && version_id != 2)
1138
        return -EINVAL;
1139
    if (cpu_ticks_enabled) {
1140
        return -EINVAL;
1141
    }
1142
    cpu_ticks_offset=qemu_get_be64(f);
1143
    ticks_per_sec=qemu_get_be64(f);
1144
    if (version_id == 2) {
1145
        cpu_clock_offset=qemu_get_be64(f);
1146
    }
1147
    return 0;
1148
}
1149

    
1150
#ifdef _WIN32
1151
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
1152
                                 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
1153
#else
1154
static void host_alarm_handler(int host_signum)
1155
#endif
1156
{
1157
#if 0
1158
#define DISP_FREQ 1000
1159
    {
1160
        static int64_t delta_min = INT64_MAX;
1161
        static int64_t delta_max, delta_cum, last_clock, delta, ti;
1162
        static int count;
1163
        ti = qemu_get_clock(vm_clock);
1164
        if (last_clock != 0) {
1165
            delta = ti - last_clock;
1166
            if (delta < delta_min)
1167
                delta_min = delta;
1168
            if (delta > delta_max)
1169
                delta_max = delta;
1170
            delta_cum += delta;
1171
            if (++count == DISP_FREQ) {
1172
                printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
1173
                       muldiv64(delta_min, 1000000, ticks_per_sec),
1174
                       muldiv64(delta_max, 1000000, ticks_per_sec),
1175
                       muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
1176
                       (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
1177
                count = 0;
1178
                delta_min = INT64_MAX;
1179
                delta_max = 0;
1180
                delta_cum = 0;
1181
            }
1182
        }
1183
        last_clock = ti;
1184
    }
1185
#endif
1186
    if (alarm_has_dynticks(alarm_timer) ||
1187
        qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
1188
                           qemu_get_clock(vm_clock)) ||
1189
        qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
1190
                           qemu_get_clock(rt_clock))) {
1191
#ifdef _WIN32
1192
        struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv;
1193
        SetEvent(data->host_alarm);
1194
#endif
1195
        CPUState *env = next_cpu;
1196

    
1197
        alarm_timer->flags |= ALARM_FLAG_EXPIRED;
1198

    
1199
        if (env) {
1200
            /* stop the currently executing cpu because a timer occured */
1201
            cpu_interrupt(env, CPU_INTERRUPT_EXIT);
1202
#ifdef USE_KQEMU
1203
            if (env->kqemu_enabled) {
1204
                kqemu_cpu_interrupt(env);
1205
            }
1206
#endif
1207
        }
1208
        event_pending = 1;
1209
    }
1210
}
1211

    
1212
static uint64_t qemu_next_deadline(void)
1213
{
1214
    int64_t nearest_delta_us = INT64_MAX;
1215
    int64_t vmdelta_us;
1216

    
1217
    if (active_timers[QEMU_TIMER_REALTIME])
1218
        nearest_delta_us = (active_timers[QEMU_TIMER_REALTIME]->expire_time -
1219
                            qemu_get_clock(rt_clock))*1000;
1220

    
1221
    if (active_timers[QEMU_TIMER_VIRTUAL]) {
1222
        /* round up */
1223
        vmdelta_us = (active_timers[QEMU_TIMER_VIRTUAL]->expire_time -
1224
                      qemu_get_clock(vm_clock)+999)/1000;
1225
        if (vmdelta_us < nearest_delta_us)
1226
            nearest_delta_us = vmdelta_us;
1227
    }
1228

    
1229
    /* Avoid arming the timer to negative, zero, or too low values */
1230
    if (nearest_delta_us <= MIN_TIMER_REARM_US)
1231
        nearest_delta_us = MIN_TIMER_REARM_US;
1232

    
1233
    return nearest_delta_us;
1234
}
1235

    
1236
#ifndef _WIN32
1237

    
1238
#if defined(__linux__)
1239

    
1240
#define RTC_FREQ 1024
1241

    
1242
static void enable_sigio_timer(int fd)
1243
{
1244
    struct sigaction act;
1245

    
1246
    /* timer signal */
1247
    sigfillset(&act.sa_mask);
1248
    act.sa_flags = 0;
1249
    act.sa_handler = host_alarm_handler;
1250

    
1251
    sigaction(SIGIO, &act, NULL);
1252
    fcntl(fd, F_SETFL, O_ASYNC);
1253
    fcntl(fd, F_SETOWN, getpid());
1254
}
1255

    
1256
static int hpet_start_timer(struct qemu_alarm_timer *t)
1257
{
1258
    struct hpet_info info;
1259
    int r, fd;
1260

    
1261
    fd = open("/dev/hpet", O_RDONLY);
1262
    if (fd < 0)
1263
        return -1;
1264

    
1265
    /* Set frequency */
1266
    r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ);
1267
    if (r < 0) {
1268
        fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1269
                "error, but for better emulation accuracy type:\n"
1270
                "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1271
        goto fail;
1272
    }
1273

    
1274
    /* Check capabilities */
1275
    r = ioctl(fd, HPET_INFO, &info);
1276
    if (r < 0)
1277
        goto fail;
1278

    
1279
    /* Enable periodic mode */
1280
    r = ioctl(fd, HPET_EPI, 0);
1281
    if (info.hi_flags && (r < 0))
1282
        goto fail;
1283

    
1284
    /* Enable interrupt */
1285
    r = ioctl(fd, HPET_IE_ON, 0);
1286
    if (r < 0)
1287
        goto fail;
1288

    
1289
    enable_sigio_timer(fd);
1290
    t->priv = (void *)(long)fd;
1291

    
1292
    return 0;
1293
fail:
1294
    close(fd);
1295
    return -1;
1296
}
1297

    
1298
static void hpet_stop_timer(struct qemu_alarm_timer *t)
1299
{
1300
    int fd = (long)t->priv;
1301

    
1302
    close(fd);
1303
}
1304

    
1305
static int rtc_start_timer(struct qemu_alarm_timer *t)
1306
{
1307
    int rtc_fd;
1308
    unsigned long current_rtc_freq = 0;
1309

    
1310
    TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
1311
    if (rtc_fd < 0)
1312
        return -1;
1313
    ioctl(rtc_fd, RTC_IRQP_READ, &current_rtc_freq);
1314
    if (current_rtc_freq != RTC_FREQ &&
1315
        ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
1316
        fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1317
                "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1318
                "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1319
        goto fail;
1320
    }
1321
    if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1322
    fail:
1323
        close(rtc_fd);
1324
        return -1;
1325
    }
1326

    
1327
    enable_sigio_timer(rtc_fd);
1328

    
1329
    t->priv = (void *)(long)rtc_fd;
1330

    
1331
    return 0;
1332
}
1333

    
1334
static void rtc_stop_timer(struct qemu_alarm_timer *t)
1335
{
1336
    int rtc_fd = (long)t->priv;
1337

    
1338
    close(rtc_fd);
1339
}
1340

    
1341
static int dynticks_start_timer(struct qemu_alarm_timer *t)
1342
{
1343
    struct sigevent ev;
1344
    timer_t host_timer;
1345
    struct sigaction act;
1346

    
1347
    sigfillset(&act.sa_mask);
1348
    act.sa_flags = 0;
1349
    act.sa_handler = host_alarm_handler;
1350

    
1351
    sigaction(SIGALRM, &act, NULL);
1352

    
1353
    ev.sigev_value.sival_int = 0;
1354
    ev.sigev_notify = SIGEV_SIGNAL;
1355
    ev.sigev_signo = SIGALRM;
1356

    
1357
    if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
1358
        perror("timer_create");
1359

    
1360
        /* disable dynticks */
1361
        fprintf(stderr, "Dynamic Ticks disabled\n");
1362

    
1363
        return -1;
1364
    }
1365

    
1366
    t->priv = (void *)host_timer;
1367

    
1368
    return 0;
1369
}
1370

    
1371
static void dynticks_stop_timer(struct qemu_alarm_timer *t)
1372
{
1373
    timer_t host_timer = (timer_t)t->priv;
1374

    
1375
    timer_delete(host_timer);
1376
}
1377

    
1378
static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
1379
{
1380
    timer_t host_timer = (timer_t)t->priv;
1381
    struct itimerspec timeout;
1382
    int64_t nearest_delta_us = INT64_MAX;
1383
    int64_t current_us;
1384

    
1385
    if (!active_timers[QEMU_TIMER_REALTIME] &&
1386
                !active_timers[QEMU_TIMER_VIRTUAL])
1387
        return;
1388

    
1389
    nearest_delta_us = qemu_next_deadline();
1390

    
1391
    /* check whether a timer is already running */
1392
    if (timer_gettime(host_timer, &timeout)) {
1393
        perror("gettime");
1394
        fprintf(stderr, "Internal timer error: aborting\n");
1395
        exit(1);
1396
    }
1397
    current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000;
1398
    if (current_us && current_us <= nearest_delta_us)
1399
        return;
1400

    
1401
    timeout.it_interval.tv_sec = 0;
1402
    timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */
1403
    timeout.it_value.tv_sec =  nearest_delta_us / 1000000;
1404
    timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000;
1405
    if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) {
1406
        perror("settime");
1407
        fprintf(stderr, "Internal timer error: aborting\n");
1408
        exit(1);
1409
    }
1410
}
1411

    
1412
#endif /* defined(__linux__) */
1413

    
1414
static int unix_start_timer(struct qemu_alarm_timer *t)
1415
{
1416
    struct sigaction act;
1417
    struct itimerval itv;
1418
    int err;
1419

    
1420
    /* timer signal */
1421
    sigfillset(&act.sa_mask);
1422
    act.sa_flags = 0;
1423
    act.sa_handler = host_alarm_handler;
1424

    
1425
    sigaction(SIGALRM, &act, NULL);
1426

    
1427
    itv.it_interval.tv_sec = 0;
1428
    /* for i386 kernel 2.6 to get 1 ms */
1429
    itv.it_interval.tv_usec = 999;
1430
    itv.it_value.tv_sec = 0;
1431
    itv.it_value.tv_usec = 10 * 1000;
1432

    
1433
    err = setitimer(ITIMER_REAL, &itv, NULL);
1434
    if (err)
1435
        return -1;
1436

    
1437
    return 0;
1438
}
1439

    
1440
static void unix_stop_timer(struct qemu_alarm_timer *t)
1441
{
1442
    struct itimerval itv;
1443

    
1444
    memset(&itv, 0, sizeof(itv));
1445
    setitimer(ITIMER_REAL, &itv, NULL);
1446
}
1447

    
1448
#endif /* !defined(_WIN32) */
1449

    
1450
#ifdef _WIN32
1451

    
1452
static int win32_start_timer(struct qemu_alarm_timer *t)
1453
{
1454
    TIMECAPS tc;
1455
    struct qemu_alarm_win32 *data = t->priv;
1456
    UINT flags;
1457

    
1458
    data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
1459
    if (!data->host_alarm) {
1460
        perror("Failed CreateEvent");
1461
        return -1;
1462
    }
1463

    
1464
    memset(&tc, 0, sizeof(tc));
1465
    timeGetDevCaps(&tc, sizeof(tc));
1466

    
1467
    if (data->period < tc.wPeriodMin)
1468
        data->period = tc.wPeriodMin;
1469

    
1470
    timeBeginPeriod(data->period);
1471

    
1472
    flags = TIME_CALLBACK_FUNCTION;
1473
    if (alarm_has_dynticks(t))
1474
        flags |= TIME_ONESHOT;
1475
    else
1476
        flags |= TIME_PERIODIC;
1477

    
1478
    data->timerId = timeSetEvent(1,         // interval (ms)
1479
                        data->period,       // resolution
1480
                        host_alarm_handler, // function
1481
                        (DWORD)t,           // parameter
1482
                        flags);
1483

    
1484
    if (!data->timerId) {
1485
        perror("Failed to initialize win32 alarm timer");
1486

    
1487
        timeEndPeriod(data->period);
1488
        CloseHandle(data->host_alarm);
1489
        return -1;
1490
    }
1491

    
1492
    qemu_add_wait_object(data->host_alarm, NULL, NULL);
1493

    
1494
    return 0;
1495
}
1496

    
1497
static void win32_stop_timer(struct qemu_alarm_timer *t)
1498
{
1499
    struct qemu_alarm_win32 *data = t->priv;
1500

    
1501
    timeKillEvent(data->timerId);
1502
    timeEndPeriod(data->period);
1503

    
1504
    CloseHandle(data->host_alarm);
1505
}
1506

    
1507
static void win32_rearm_timer(struct qemu_alarm_timer *t)
1508
{
1509
    struct qemu_alarm_win32 *data = t->priv;
1510
    uint64_t nearest_delta_us;
1511

    
1512
    if (!active_timers[QEMU_TIMER_REALTIME] &&
1513
                !active_timers[QEMU_TIMER_VIRTUAL])
1514
        return;
1515

    
1516
    nearest_delta_us = qemu_next_deadline();
1517
    nearest_delta_us /= 1000;
1518

    
1519
    timeKillEvent(data->timerId);
1520

    
1521
    data->timerId = timeSetEvent(1,
1522
                        data->period,
1523
                        host_alarm_handler,
1524
                        (DWORD)t,
1525
                        TIME_ONESHOT | TIME_PERIODIC);
1526

    
1527
    if (!data->timerId) {
1528
        perror("Failed to re-arm win32 alarm timer");
1529

    
1530
        timeEndPeriod(data->period);
1531
        CloseHandle(data->host_alarm);
1532
        exit(1);
1533
    }
1534
}
1535

    
1536
#endif /* _WIN32 */
1537

    
1538
static void init_timer_alarm(void)
1539
{
1540
    struct qemu_alarm_timer *t;
1541
    int i, err = -1;
1542

    
1543
    for (i = 0; alarm_timers[i].name; i++) {
1544
        t = &alarm_timers[i];
1545

    
1546
        err = t->start(t);
1547
        if (!err)
1548
            break;
1549
    }
1550

    
1551
    if (err) {
1552
        fprintf(stderr, "Unable to find any suitable alarm timer.\n");
1553
        fprintf(stderr, "Terminating\n");
1554
        exit(1);
1555
    }
1556

    
1557
    alarm_timer = t;
1558
}
1559

    
1560
static void quit_timers(void)
1561
{
1562
    alarm_timer->stop(alarm_timer);
1563
    alarm_timer = NULL;
1564
}
1565

    
1566
/***********************************************************/
1567
/* host time/date access */
1568
void qemu_get_timedate(struct tm *tm, int offset)
1569
{
1570
    time_t ti;
1571
    struct tm *ret;
1572

    
1573
    time(&ti);
1574
    ti += offset;
1575
    if (rtc_date_offset == -1) {
1576
        if (rtc_utc)
1577
            ret = gmtime(&ti);
1578
        else
1579
            ret = localtime(&ti);
1580
    } else {
1581
        ti -= rtc_date_offset;
1582
        ret = gmtime(&ti);
1583
    }
1584

    
1585
    memcpy(tm, ret, sizeof(struct tm));
1586
}
1587

    
1588
int qemu_timedate_diff(struct tm *tm)
1589
{
1590
    time_t seconds;
1591

    
1592
    if (rtc_date_offset == -1)
1593
        if (rtc_utc)
1594
            seconds = mktimegm(tm);
1595
        else
1596
            seconds = mktime(tm);
1597
    else
1598
        seconds = mktimegm(tm) + rtc_date_offset;
1599

    
1600
    return seconds - time(NULL);
1601
}
1602

    
1603
/***********************************************************/
1604
/* character device */
1605

    
1606
static void qemu_chr_event(CharDriverState *s, int event)
1607
{
1608
    if (!s->chr_event)
1609
        return;
1610
    s->chr_event(s->handler_opaque, event);
1611
}
1612

    
1613
static void qemu_chr_reset_bh(void *opaque)
1614
{
1615
    CharDriverState *s = opaque;
1616
    qemu_chr_event(s, CHR_EVENT_RESET);
1617
    qemu_bh_delete(s->bh);
1618
    s->bh = NULL;
1619
}
1620

    
1621
void qemu_chr_reset(CharDriverState *s)
1622
{
1623
    if (s->bh == NULL) {
1624
        s->bh = qemu_bh_new(qemu_chr_reset_bh, s);
1625
        qemu_bh_schedule(s->bh);
1626
    }
1627
}
1628

    
1629
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
1630
{
1631
    return s->chr_write(s, buf, len);
1632
}
1633

    
1634
int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
1635
{
1636
    if (!s->chr_ioctl)
1637
        return -ENOTSUP;
1638
    return s->chr_ioctl(s, cmd, arg);
1639
}
1640

    
1641
int qemu_chr_can_read(CharDriverState *s)
1642
{
1643
    if (!s->chr_can_read)
1644
        return 0;
1645
    return s->chr_can_read(s->handler_opaque);
1646
}
1647

    
1648
void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len)
1649
{
1650
    s->chr_read(s->handler_opaque, buf, len);
1651
}
1652

    
1653
void qemu_chr_accept_input(CharDriverState *s)
1654
{
1655
    if (s->chr_accept_input)
1656
        s->chr_accept_input(s);
1657
}
1658

    
1659
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
1660
{
1661
    char buf[4096];
1662
    va_list ap;
1663
    va_start(ap, fmt);
1664
    vsnprintf(buf, sizeof(buf), fmt, ap);
1665
    qemu_chr_write(s, (uint8_t *)buf, strlen(buf));
1666
    va_end(ap);
1667
}
1668

    
1669
void qemu_chr_send_event(CharDriverState *s, int event)
1670
{
1671
    if (s->chr_send_event)
1672
        s->chr_send_event(s, event);
1673
}
1674

    
1675
void qemu_chr_add_handlers(CharDriverState *s,
1676
                           IOCanRWHandler *fd_can_read,
1677
                           IOReadHandler *fd_read,
1678
                           IOEventHandler *fd_event,
1679
                           void *opaque)
1680
{
1681
    s->chr_can_read = fd_can_read;
1682
    s->chr_read = fd_read;
1683
    s->chr_event = fd_event;
1684
    s->handler_opaque = opaque;
1685
    if (s->chr_update_read_handler)
1686
        s->chr_update_read_handler(s);
1687
}
1688

    
1689
static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1690
{
1691
    return len;
1692
}
1693

    
1694
static CharDriverState *qemu_chr_open_null(void)
1695
{
1696
    CharDriverState *chr;
1697

    
1698
    chr = qemu_mallocz(sizeof(CharDriverState));
1699
    if (!chr)
1700
        return NULL;
1701
    chr->chr_write = null_chr_write;
1702
    return chr;
1703
}
1704

    
1705
/* MUX driver for serial I/O splitting */
1706
static int term_timestamps;
1707
static int64_t term_timestamps_start;
1708
#define MAX_MUX 4
1709
#define MUX_BUFFER_SIZE 32        /* Must be a power of 2.  */
1710
#define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
1711
typedef struct {
1712
    IOCanRWHandler *chr_can_read[MAX_MUX];
1713
    IOReadHandler *chr_read[MAX_MUX];
1714
    IOEventHandler *chr_event[MAX_MUX];
1715
    void *ext_opaque[MAX_MUX];
1716
    CharDriverState *drv;
1717
    unsigned char buffer[MUX_BUFFER_SIZE];
1718
    int prod;
1719
    int cons;
1720
    int mux_cnt;
1721
    int term_got_escape;
1722
    int max_size;
1723
} MuxDriver;
1724

    
1725

    
1726
static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1727
{
1728
    MuxDriver *d = chr->opaque;
1729
    int ret;
1730
    if (!term_timestamps) {
1731
        ret = d->drv->chr_write(d->drv, buf, len);
1732
    } else {
1733
        int i;
1734

    
1735
        ret = 0;
1736
        for(i = 0; i < len; i++) {
1737
            ret += d->drv->chr_write(d->drv, buf+i, 1);
1738
            if (buf[i] == '\n') {
1739
                char buf1[64];
1740
                int64_t ti;
1741
                int secs;
1742

    
1743
                ti = get_clock();
1744
                if (term_timestamps_start == -1)
1745
                    term_timestamps_start = ti;
1746
                ti -= term_timestamps_start;
1747
                secs = ti / 1000000000;
1748
                snprintf(buf1, sizeof(buf1),
1749
                         "[%02d:%02d:%02d.%03d] ",
1750
                         secs / 3600,
1751
                         (secs / 60) % 60,
1752
                         secs % 60,
1753
                         (int)((ti / 1000000) % 1000));
1754
                d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1));
1755
            }
1756
        }
1757
    }
1758
    return ret;
1759
}
1760

    
1761
static char *mux_help[] = {
1762
    "% h    print this help\n\r",
1763
    "% x    exit emulator\n\r",
1764
    "% s    save disk data back to file (if -snapshot)\n\r",
1765
    "% t    toggle console timestamps\n\r"
1766
    "% b    send break (magic sysrq)\n\r",
1767
    "% c    switch between console and monitor\n\r",
1768
    "% %  sends %\n\r",
1769
    NULL
1770
};
1771

    
1772
static int term_escape_char = 0x01; /* ctrl-a is used for escape */
1773
static void mux_print_help(CharDriverState *chr)
1774
{
1775
    int i, j;
1776
    char ebuf[15] = "Escape-Char";
1777
    char cbuf[50] = "\n\r";
1778

    
1779
    if (term_escape_char > 0 && term_escape_char < 26) {
1780
        sprintf(cbuf,"\n\r");
1781
        sprintf(ebuf,"C-%c", term_escape_char - 1 + 'a');
1782
    } else {
1783
        sprintf(cbuf,"\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
1784
            term_escape_char);
1785
    }
1786
    chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf));
1787
    for (i = 0; mux_help[i] != NULL; i++) {
1788
        for (j=0; mux_help[i][j] != '\0'; j++) {
1789
            if (mux_help[i][j] == '%')
1790
                chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf));
1791
            else
1792
                chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1);
1793
        }
1794
    }
1795
}
1796

    
1797
static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
1798
{
1799
    if (d->term_got_escape) {
1800
        d->term_got_escape = 0;
1801
        if (ch == term_escape_char)
1802
            goto send_char;
1803
        switch(ch) {
1804
        case '?':
1805
        case 'h':
1806
            mux_print_help(chr);
1807
            break;
1808
        case 'x':
1809
            {
1810
                 char *term =  "QEMU: Terminated\n\r";
1811
                 chr->chr_write(chr,(uint8_t *)term,strlen(term));
1812
                 exit(0);
1813
                 break;
1814
            }
1815
        case 's':
1816
            {
1817
                int i;
1818
                for (i = 0; i < nb_drives; i++) {
1819
                        bdrv_commit(drives_table[i].bdrv);
1820
                }
1821
            }
1822
            break;
1823
        case 'b':
1824
            qemu_chr_event(chr, CHR_EVENT_BREAK);
1825
            break;
1826
        case 'c':
1827
            /* Switch to the next registered device */
1828
            chr->focus++;
1829
            if (chr->focus >= d->mux_cnt)
1830
                chr->focus = 0;
1831
            break;
1832
       case 't':
1833
           term_timestamps = !term_timestamps;
1834
           term_timestamps_start = -1;
1835
           break;
1836
        }
1837
    } else if (ch == term_escape_char) {
1838
        d->term_got_escape = 1;
1839
    } else {
1840
    send_char:
1841
        return 1;
1842
    }
1843
    return 0;
1844
}
1845

    
1846
static void mux_chr_accept_input(CharDriverState *chr)
1847
{
1848
    int m = chr->focus;
1849
    MuxDriver *d = chr->opaque;
1850

    
1851
    while (d->prod != d->cons &&
1852
           d->chr_can_read[m] &&
1853
           d->chr_can_read[m](d->ext_opaque[m])) {
1854
        d->chr_read[m](d->ext_opaque[m],
1855
                       &d->buffer[d->cons++ & MUX_BUFFER_MASK], 1);
1856
    }
1857
}
1858

    
1859
static int mux_chr_can_read(void *opaque)
1860
{
1861
    CharDriverState *chr = opaque;
1862
    MuxDriver *d = chr->opaque;
1863

    
1864
    if ((d->prod - d->cons) < MUX_BUFFER_SIZE)
1865
        return 1;
1866
    if (d->chr_can_read[chr->focus])
1867
        return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]);
1868
    return 0;
1869
}
1870

    
1871
static void mux_chr_read(void *opaque, const uint8_t *buf, int size)
1872
{
1873
    CharDriverState *chr = opaque;
1874
    MuxDriver *d = chr->opaque;
1875
    int m = chr->focus;
1876
    int i;
1877

    
1878
    mux_chr_accept_input (opaque);
1879

    
1880
    for(i = 0; i < size; i++)
1881
        if (mux_proc_byte(chr, d, buf[i])) {
1882
            if (d->prod == d->cons &&
1883
                d->chr_can_read[m] &&
1884
                d->chr_can_read[m](d->ext_opaque[m]))
1885
                d->chr_read[m](d->ext_opaque[m], &buf[i], 1);
1886
            else
1887
                d->buffer[d->prod++ & MUX_BUFFER_MASK] = buf[i];
1888
        }
1889
}
1890

    
1891
static void mux_chr_event(void *opaque, int event)
1892
{
1893
    CharDriverState *chr = opaque;
1894
    MuxDriver *d = chr->opaque;
1895
    int i;
1896

    
1897
    /* Send the event to all registered listeners */
1898
    for (i = 0; i < d->mux_cnt; i++)
1899
        if (d->chr_event[i])
1900
            d->chr_event[i](d->ext_opaque[i], event);
1901
}
1902

    
1903
static void mux_chr_update_read_handler(CharDriverState *chr)
1904
{
1905
    MuxDriver *d = chr->opaque;
1906

    
1907
    if (d->mux_cnt >= MAX_MUX) {
1908
        fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
1909
        return;
1910
    }
1911
    d->ext_opaque[d->mux_cnt] = chr->handler_opaque;
1912
    d->chr_can_read[d->mux_cnt] = chr->chr_can_read;
1913
    d->chr_read[d->mux_cnt] = chr->chr_read;
1914
    d->chr_event[d->mux_cnt] = chr->chr_event;
1915
    /* Fix up the real driver with mux routines */
1916
    if (d->mux_cnt == 0) {
1917
        qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read,
1918
                              mux_chr_event, chr);
1919
    }
1920
    chr->focus = d->mux_cnt;
1921
    d->mux_cnt++;
1922
}
1923

    
1924
static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
1925
{
1926
    CharDriverState *chr;
1927
    MuxDriver *d;
1928

    
1929
    chr = qemu_mallocz(sizeof(CharDriverState));
1930
    if (!chr)
1931
        return NULL;
1932
    d = qemu_mallocz(sizeof(MuxDriver));
1933
    if (!d) {
1934
        free(chr);
1935
        return NULL;
1936
    }
1937

    
1938
    chr->opaque = d;
1939
    d->drv = drv;
1940
    chr->focus = -1;
1941
    chr->chr_write = mux_chr_write;
1942
    chr->chr_update_read_handler = mux_chr_update_read_handler;
1943
    chr->chr_accept_input = mux_chr_accept_input;
1944
    return chr;
1945
}
1946

    
1947

    
1948
#ifdef _WIN32
1949

    
1950
static void socket_cleanup(void)
1951
{
1952
    WSACleanup();
1953
}
1954

    
1955
static int socket_init(void)
1956
{
1957
    WSADATA Data;
1958
    int ret, err;
1959

    
1960
    ret = WSAStartup(MAKEWORD(2,2), &Data);
1961
    if (ret != 0) {
1962
        err = WSAGetLastError();
1963
        fprintf(stderr, "WSAStartup: %d\n", err);
1964
        return -1;
1965
    }
1966
    atexit(socket_cleanup);
1967
    return 0;
1968
}
1969

    
1970
static int send_all(int fd, const uint8_t *buf, int len1)
1971
{
1972
    int ret, len;
1973

    
1974
    len = len1;
1975
    while (len > 0) {
1976
        ret = send(fd, buf, len, 0);
1977
        if (ret < 0) {
1978
            int errno;
1979
            errno = WSAGetLastError();
1980
            if (errno != WSAEWOULDBLOCK) {
1981
                return -1;
1982
            }
1983
        } else if (ret == 0) {
1984
            break;
1985
        } else {
1986
            buf += ret;
1987
            len -= ret;
1988
        }
1989
    }
1990
    return len1 - len;
1991
}
1992

    
1993
void socket_set_nonblock(int fd)
1994
{
1995
    unsigned long opt = 1;
1996
    ioctlsocket(fd, FIONBIO, &opt);
1997
}
1998

    
1999
#else
2000

    
2001
static int unix_write(int fd, const uint8_t *buf, int len1)
2002
{
2003
    int ret, len;
2004

    
2005
    len = len1;
2006
    while (len > 0) {
2007
        ret = write(fd, buf, len);
2008
        if (ret < 0) {
2009
            if (errno != EINTR && errno != EAGAIN)
2010
                return -1;
2011
        } else if (ret == 0) {
2012
            break;
2013
        } else {
2014
            buf += ret;
2015
            len -= ret;
2016
        }
2017
    }
2018
    return len1 - len;
2019
}
2020

    
2021
static inline int send_all(int fd, const uint8_t *buf, int len1)
2022
{
2023
    return unix_write(fd, buf, len1);
2024
}
2025

    
2026
void socket_set_nonblock(int fd)
2027
{
2028
    fcntl(fd, F_SETFL, O_NONBLOCK);
2029
}
2030
#endif /* !_WIN32 */
2031

    
2032
#ifndef _WIN32
2033

    
2034
typedef struct {
2035
    int fd_in, fd_out;
2036
    int max_size;
2037
} FDCharDriver;
2038

    
2039
#define STDIO_MAX_CLIENTS 1
2040
static int stdio_nb_clients = 0;
2041

    
2042
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2043
{
2044
    FDCharDriver *s = chr->opaque;
2045
    return unix_write(s->fd_out, buf, len);
2046
}
2047

    
2048
static int fd_chr_read_poll(void *opaque)
2049
{
2050
    CharDriverState *chr = opaque;
2051
    FDCharDriver *s = chr->opaque;
2052

    
2053
    s->max_size = qemu_chr_can_read(chr);
2054
    return s->max_size;
2055
}
2056

    
2057
static void fd_chr_read(void *opaque)
2058
{
2059
    CharDriverState *chr = opaque;
2060
    FDCharDriver *s = chr->opaque;
2061
    int size, len;
2062
    uint8_t buf[1024];
2063

    
2064
    len = sizeof(buf);
2065
    if (len > s->max_size)
2066
        len = s->max_size;
2067
    if (len == 0)
2068
        return;
2069
    size = read(s->fd_in, buf, len);
2070
    if (size == 0) {
2071
        /* FD has been closed. Remove it from the active list.  */
2072
        qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
2073
        return;
2074
    }
2075
    if (size > 0) {
2076
        qemu_chr_read(chr, buf, size);
2077
    }
2078
}
2079

    
2080
static void fd_chr_update_read_handler(CharDriverState *chr)
2081
{
2082
    FDCharDriver *s = chr->opaque;
2083

    
2084
    if (s->fd_in >= 0) {
2085
        if (nographic && s->fd_in == 0) {
2086
        } else {
2087
            qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
2088
                                 fd_chr_read, NULL, chr);
2089
        }
2090
    }
2091
}
2092

    
2093
static void fd_chr_close(struct CharDriverState *chr)
2094
{
2095
    FDCharDriver *s = chr->opaque;
2096

    
2097
    if (s->fd_in >= 0) {
2098
        if (nographic && s->fd_in == 0) {
2099
        } else {
2100
            qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
2101
        }
2102
    }
2103

    
2104
    qemu_free(s);
2105
}
2106

    
2107
/* open a character device to a unix fd */
2108
static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
2109
{
2110
    CharDriverState *chr;
2111
    FDCharDriver *s;
2112

    
2113
    chr = qemu_mallocz(sizeof(CharDriverState));
2114
    if (!chr)
2115
        return NULL;
2116
    s = qemu_mallocz(sizeof(FDCharDriver));
2117
    if (!s) {
2118
        free(chr);
2119
        return NULL;
2120
    }
2121
    s->fd_in = fd_in;
2122
    s->fd_out = fd_out;
2123
    chr->opaque = s;
2124
    chr->chr_write = fd_chr_write;
2125
    chr->chr_update_read_handler = fd_chr_update_read_handler;
2126
    chr->chr_close = fd_chr_close;
2127

    
2128
    qemu_chr_reset(chr);
2129

    
2130
    return chr;
2131
}
2132

    
2133
static CharDriverState *qemu_chr_open_file_out(const char *file_out)
2134
{
2135
    int fd_out;
2136

    
2137
    TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666));
2138
    if (fd_out < 0)
2139
        return NULL;
2140
    return qemu_chr_open_fd(-1, fd_out);
2141
}
2142

    
2143
static CharDriverState *qemu_chr_open_pipe(const char *filename)
2144
{
2145
    int fd_in, fd_out;
2146
    char filename_in[256], filename_out[256];
2147

    
2148
    snprintf(filename_in, 256, "%s.in", filename);
2149
    snprintf(filename_out, 256, "%s.out", filename);
2150
    TFR(fd_in = open(filename_in, O_RDWR | O_BINARY));
2151
    TFR(fd_out = open(filename_out, O_RDWR | O_BINARY));
2152
    if (fd_in < 0 || fd_out < 0) {
2153
        if (fd_in >= 0)
2154
            close(fd_in);
2155
        if (fd_out >= 0)
2156
            close(fd_out);
2157
        TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY));
2158
        if (fd_in < 0)
2159
            return NULL;
2160
    }
2161
    return qemu_chr_open_fd(fd_in, fd_out);
2162
}
2163

    
2164

    
2165
/* for STDIO, we handle the case where several clients use it
2166
   (nographic mode) */
2167

    
2168
#define TERM_FIFO_MAX_SIZE 1
2169

    
2170
static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
2171
static int term_fifo_size;
2172

    
2173
static int stdio_read_poll(void *opaque)
2174
{
2175
    CharDriverState *chr = opaque;
2176

    
2177
    /* try to flush the queue if needed */
2178
    if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) {
2179
        qemu_chr_read(chr, term_fifo, 1);
2180
        term_fifo_size = 0;
2181
    }
2182
    /* see if we can absorb more chars */
2183
    if (term_fifo_size == 0)
2184
        return 1;
2185
    else
2186
        return 0;
2187
}
2188

    
2189
static void stdio_read(void *opaque)
2190
{
2191
    int size;
2192
    uint8_t buf[1];
2193
    CharDriverState *chr = opaque;
2194

    
2195
    size = read(0, buf, 1);
2196
    if (size == 0) {
2197
        /* stdin has been closed. Remove it from the active list.  */
2198
        qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
2199
        return;
2200
    }
2201
    if (size > 0) {
2202
        if (qemu_chr_can_read(chr) > 0) {
2203
            qemu_chr_read(chr, buf, 1);
2204
        } else if (term_fifo_size == 0) {
2205
            term_fifo[term_fifo_size++] = buf[0];
2206
        }
2207
    }
2208
}
2209

    
2210
/* init terminal so that we can grab keys */
2211
static struct termios oldtty;
2212
static int old_fd0_flags;
2213
static int term_atexit_done;
2214

    
2215
static void term_exit(void)
2216
{
2217
    tcsetattr (0, TCSANOW, &oldtty);
2218
    fcntl(0, F_SETFL, old_fd0_flags);
2219
}
2220

    
2221
static void term_init(void)
2222
{
2223
    struct termios tty;
2224

    
2225
    tcgetattr (0, &tty);
2226
    oldtty = tty;
2227
    old_fd0_flags = fcntl(0, F_GETFL);
2228

    
2229
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
2230
                          |INLCR|IGNCR|ICRNL|IXON);
2231
    tty.c_oflag |= OPOST;
2232
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
2233
    /* if graphical mode, we allow Ctrl-C handling */
2234
    if (nographic)
2235
        tty.c_lflag &= ~ISIG;
2236
    tty.c_cflag &= ~(CSIZE|PARENB);
2237
    tty.c_cflag |= CS8;
2238
    tty.c_cc[VMIN] = 1;
2239
    tty.c_cc[VTIME] = 0;
2240

    
2241
    tcsetattr (0, TCSANOW, &tty);
2242

    
2243
    if (!term_atexit_done++)
2244
        atexit(term_exit);
2245

    
2246
    fcntl(0, F_SETFL, O_NONBLOCK);
2247
}
2248

    
2249
static void qemu_chr_close_stdio(struct CharDriverState *chr)
2250
{
2251
    term_exit();
2252
    stdio_nb_clients--;
2253
    qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
2254
    fd_chr_close(chr);
2255
}
2256

    
2257
static CharDriverState *qemu_chr_open_stdio(void)
2258
{
2259
    CharDriverState *chr;
2260

    
2261
    if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
2262
        return NULL;
2263
    chr = qemu_chr_open_fd(0, 1);
2264
    chr->chr_close = qemu_chr_close_stdio;
2265
    qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr);
2266
    stdio_nb_clients++;
2267
    term_init();
2268

    
2269
    return chr;
2270
}
2271

    
2272
#ifdef __sun__
2273
/* Once Solaris has openpty(), this is going to be removed. */
2274
int openpty(int *amaster, int *aslave, char *name,
2275
            struct termios *termp, struct winsize *winp)
2276
{
2277
        const char *slave;
2278
        int mfd = -1, sfd = -1;
2279

    
2280
        *amaster = *aslave = -1;
2281

    
2282
        mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
2283
        if (mfd < 0)
2284
                goto err;
2285

    
2286
        if (grantpt(mfd) == -1 || unlockpt(mfd) == -1)
2287
                goto err;
2288

    
2289
        if ((slave = ptsname(mfd)) == NULL)
2290
                goto err;
2291

    
2292
        if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1)
2293
                goto err;
2294

    
2295
        if (ioctl(sfd, I_PUSH, "ptem") == -1 ||
2296
            (termp != NULL && tcgetattr(sfd, termp) < 0))
2297
                goto err;
2298

    
2299
        if (amaster)
2300
                *amaster = mfd;
2301
        if (aslave)
2302
                *aslave = sfd;
2303
        if (winp)
2304
                ioctl(sfd, TIOCSWINSZ, winp);
2305

    
2306
        return 0;
2307

    
2308
err:
2309
        if (sfd != -1)
2310
                close(sfd);
2311
        close(mfd);
2312
        return -1;
2313
}
2314

    
2315
void cfmakeraw (struct termios *termios_p)
2316
{
2317
        termios_p->c_iflag &=
2318
                ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
2319
        termios_p->c_oflag &= ~OPOST;
2320
        termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
2321
        termios_p->c_cflag &= ~(CSIZE|PARENB);
2322
        termios_p->c_cflag |= CS8;
2323

    
2324
        termios_p->c_cc[VMIN] = 0;
2325
        termios_p->c_cc[VTIME] = 0;
2326
}
2327
#endif
2328

    
2329
#if defined(__linux__) || defined(__sun__)
2330
static CharDriverState *qemu_chr_open_pty(void)
2331
{
2332
    struct termios tty;
2333
    int master_fd, slave_fd;
2334

    
2335
    if (openpty(&master_fd, &slave_fd, NULL, NULL, NULL) < 0) {
2336
        return NULL;
2337
    }
2338

    
2339
    /* Set raw attributes on the pty. */
2340
    cfmakeraw(&tty);
2341
    tcsetattr(slave_fd, TCSAFLUSH, &tty);
2342

    
2343
    fprintf(stderr, "char device redirected to %s\n", ptsname(master_fd));
2344
    return qemu_chr_open_fd(master_fd, master_fd);
2345
}
2346

    
2347
static void tty_serial_init(int fd, int speed,
2348
                            int parity, int data_bits, int stop_bits)
2349
{
2350
    struct termios tty;
2351
    speed_t spd;
2352

    
2353
#if 0
2354
    printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
2355
           speed, parity, data_bits, stop_bits);
2356
#endif
2357
    tcgetattr (fd, &tty);
2358

    
2359
#define MARGIN 1.1
2360
    if (speed <= 50 * MARGIN)
2361
        spd = B50;
2362
    else if (speed <= 75 * MARGIN)
2363
        spd = B75;
2364
    else if (speed <= 300 * MARGIN)
2365
        spd = B300;
2366
    else if (speed <= 600 * MARGIN)
2367
        spd = B600;
2368
    else if (speed <= 1200 * MARGIN)
2369
        spd = B1200;
2370
    else if (speed <= 2400 * MARGIN)
2371
        spd = B2400;
2372
    else if (speed <= 4800 * MARGIN)
2373
        spd = B4800;
2374
    else if (speed <= 9600 * MARGIN)
2375
        spd = B9600;
2376
    else if (speed <= 19200 * MARGIN)
2377
        spd = B19200;
2378
    else if (speed <= 38400 * MARGIN)
2379
        spd = B38400;
2380
    else if (speed <= 57600 * MARGIN)
2381
        spd = B57600;
2382
    else if (speed <= 115200 * MARGIN)
2383
        spd = B115200;
2384
    else
2385
        spd = B115200;
2386

    
2387
    cfsetispeed(&tty, spd);
2388
    cfsetospeed(&tty, spd);
2389

    
2390
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
2391
                          |INLCR|IGNCR|ICRNL|IXON);
2392
    tty.c_oflag |= OPOST;
2393
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
2394
    tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
2395
    switch(data_bits) {
2396
    default:
2397
    case 8:
2398
        tty.c_cflag |= CS8;
2399
        break;
2400
    case 7:
2401
        tty.c_cflag |= CS7;
2402
        break;
2403
    case 6:
2404
        tty.c_cflag |= CS6;
2405
        break;
2406
    case 5:
2407
        tty.c_cflag |= CS5;
2408
        break;
2409
    }
2410
    switch(parity) {
2411
    default:
2412
    case 'N':
2413
        break;
2414
    case 'E':
2415
        tty.c_cflag |= PARENB;
2416
        break;
2417
    case 'O':
2418
        tty.c_cflag |= PARENB | PARODD;
2419
        break;
2420
    }
2421
    if (stop_bits == 2)
2422
        tty.c_cflag |= CSTOPB;
2423

    
2424
    tcsetattr (fd, TCSANOW, &tty);
2425
}
2426

    
2427
static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
2428
{
2429
    FDCharDriver *s = chr->opaque;
2430

    
2431
    switch(cmd) {
2432
    case CHR_IOCTL_SERIAL_SET_PARAMS:
2433
        {
2434
            QEMUSerialSetParams *ssp = arg;
2435
            tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
2436
                            ssp->data_bits, ssp->stop_bits);
2437
        }
2438
        break;
2439
    case CHR_IOCTL_SERIAL_SET_BREAK:
2440
        {
2441
            int enable = *(int *)arg;
2442
            if (enable)
2443
                tcsendbreak(s->fd_in, 1);
2444
        }
2445
        break;
2446
    default:
2447
        return -ENOTSUP;
2448
    }
2449
    return 0;
2450
}
2451

    
2452
static CharDriverState *qemu_chr_open_tty(const char *filename)
2453
{
2454
    CharDriverState *chr;
2455
    int fd;
2456

    
2457
    TFR(fd = open(filename, O_RDWR | O_NONBLOCK));
2458
    fcntl(fd, F_SETFL, O_NONBLOCK);
2459
    tty_serial_init(fd, 115200, 'N', 8, 1);
2460
    chr = qemu_chr_open_fd(fd, fd);
2461
    if (!chr) {
2462
        close(fd);
2463
        return NULL;
2464
    }
2465
    chr->chr_ioctl = tty_serial_ioctl;
2466
    qemu_chr_reset(chr);
2467
    return chr;
2468
}
2469
#else  /* ! __linux__ && ! __sun__ */
2470
static CharDriverState *qemu_chr_open_pty(void)
2471
{
2472
    return NULL;
2473
}
2474
#endif /* __linux__ || __sun__ */
2475

    
2476
#if defined(__linux__)
2477
typedef struct {
2478
    int fd;
2479
    int mode;
2480
} ParallelCharDriver;
2481

    
2482
static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode)
2483
{
2484
    if (s->mode != mode) {
2485
        int m = mode;
2486
        if (ioctl(s->fd, PPSETMODE, &m) < 0)
2487
            return 0;
2488
        s->mode = mode;
2489
    }
2490
    return 1;
2491
}
2492

    
2493
static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
2494
{
2495
    ParallelCharDriver *drv = chr->opaque;
2496
    int fd = drv->fd;
2497
    uint8_t b;
2498

    
2499
    switch(cmd) {
2500
    case CHR_IOCTL_PP_READ_DATA:
2501
        if (ioctl(fd, PPRDATA, &b) < 0)
2502
            return -ENOTSUP;
2503
        *(uint8_t *)arg = b;
2504
        break;
2505
    case CHR_IOCTL_PP_WRITE_DATA:
2506
        b = *(uint8_t *)arg;
2507
        if (ioctl(fd, PPWDATA, &b) < 0)
2508
            return -ENOTSUP;
2509
        break;
2510
    case CHR_IOCTL_PP_READ_CONTROL:
2511
        if (ioctl(fd, PPRCONTROL, &b) < 0)
2512
            return -ENOTSUP;
2513
        /* Linux gives only the lowest bits, and no way to know data
2514
           direction! For better compatibility set the fixed upper
2515
           bits. */
2516
        *(uint8_t *)arg = b | 0xc0;
2517
        break;
2518
    case CHR_IOCTL_PP_WRITE_CONTROL:
2519
        b = *(uint8_t *)arg;
2520
        if (ioctl(fd, PPWCONTROL, &b) < 0)
2521
            return -ENOTSUP;
2522
        break;
2523
    case CHR_IOCTL_PP_READ_STATUS:
2524
        if (ioctl(fd, PPRSTATUS, &b) < 0)
2525
            return -ENOTSUP;
2526
        *(uint8_t *)arg = b;
2527
        break;
2528
    case CHR_IOCTL_PP_EPP_READ_ADDR:
2529
        if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
2530
            struct ParallelIOArg *parg = arg;
2531
            int n = read(fd, parg->buffer, parg->count);
2532
            if (n != parg->count) {
2533
                return -EIO;
2534
            }
2535
        }
2536
        break;
2537
    case CHR_IOCTL_PP_EPP_READ:
2538
        if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
2539
            struct ParallelIOArg *parg = arg;
2540
            int n = read(fd, parg->buffer, parg->count);
2541
            if (n != parg->count) {
2542
                return -EIO;
2543
            }
2544
        }
2545
        break;
2546
    case CHR_IOCTL_PP_EPP_WRITE_ADDR:
2547
        if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
2548
            struct ParallelIOArg *parg = arg;
2549
            int n = write(fd, parg->buffer, parg->count);
2550
            if (n != parg->count) {
2551
                return -EIO;
2552
            }
2553
        }
2554
        break;
2555
    case CHR_IOCTL_PP_EPP_WRITE:
2556
        if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
2557
            struct ParallelIOArg *parg = arg;
2558
            int n = write(fd, parg->buffer, parg->count);
2559
            if (n != parg->count) {
2560
                return -EIO;
2561
            }
2562
        }
2563
        break;
2564
    default:
2565
        return -ENOTSUP;
2566
    }
2567
    return 0;
2568
}
2569

    
2570
static void pp_close(CharDriverState *chr)
2571
{
2572
    ParallelCharDriver *drv = chr->opaque;
2573
    int fd = drv->fd;
2574

    
2575
    pp_hw_mode(drv, IEEE1284_MODE_COMPAT);
2576
    ioctl(fd, PPRELEASE);
2577
    close(fd);
2578
    qemu_free(drv);
2579
}
2580

    
2581
static CharDriverState *qemu_chr_open_pp(const char *filename)
2582
{
2583
    CharDriverState *chr;
2584
    ParallelCharDriver *drv;
2585
    int fd;
2586

    
2587
    TFR(fd = open(filename, O_RDWR));
2588
    if (fd < 0)
2589
        return NULL;
2590

    
2591
    if (ioctl(fd, PPCLAIM) < 0) {
2592
        close(fd);
2593
        return NULL;
2594
    }
2595

    
2596
    drv = qemu_mallocz(sizeof(ParallelCharDriver));
2597
    if (!drv) {
2598
        close(fd);
2599
        return NULL;
2600
    }
2601
    drv->fd = fd;
2602
    drv->mode = IEEE1284_MODE_COMPAT;
2603

    
2604
    chr = qemu_mallocz(sizeof(CharDriverState));
2605
    if (!chr) {
2606
        qemu_free(drv);
2607
        close(fd);
2608
        return NULL;
2609
    }
2610
    chr->chr_write = null_chr_write;
2611
    chr->chr_ioctl = pp_ioctl;
2612
    chr->chr_close = pp_close;
2613
    chr->opaque = drv;
2614

    
2615
    qemu_chr_reset(chr);
2616

    
2617
    return chr;
2618
}
2619
#endif /* __linux__ */
2620

    
2621
#else /* _WIN32 */
2622

    
2623
typedef struct {
2624
    int max_size;
2625
    HANDLE hcom, hrecv, hsend;
2626
    OVERLAPPED orecv, osend;
2627
    BOOL fpipe;
2628
    DWORD len;
2629
} WinCharState;
2630

    
2631
#define NSENDBUF 2048
2632
#define NRECVBUF 2048
2633
#define MAXCONNECT 1
2634
#define NTIMEOUT 5000
2635

    
2636
static int win_chr_poll(void *opaque);
2637
static int win_chr_pipe_poll(void *opaque);
2638

    
2639
static void win_chr_close(CharDriverState *chr)
2640
{
2641
    WinCharState *s = chr->opaque;
2642

    
2643
    if (s->hsend) {
2644
        CloseHandle(s->hsend);
2645
        s->hsend = NULL;
2646
    }
2647
    if (s->hrecv) {
2648
        CloseHandle(s->hrecv);
2649
        s->hrecv = NULL;
2650
    }
2651
    if (s->hcom) {
2652
        CloseHandle(s->hcom);
2653
        s->hcom = NULL;
2654
    }
2655
    if (s->fpipe)
2656
        qemu_del_polling_cb(win_chr_pipe_poll, chr);
2657
    else
2658
        qemu_del_polling_cb(win_chr_poll, chr);
2659
}
2660

    
2661
static int win_chr_init(CharDriverState *chr, const char *filename)
2662
{
2663
    WinCharState *s = chr->opaque;
2664
    COMMCONFIG comcfg;
2665
    COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
2666
    COMSTAT comstat;
2667
    DWORD size;
2668
    DWORD err;
2669

    
2670
    s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
2671
    if (!s->hsend) {
2672
        fprintf(stderr, "Failed CreateEvent\n");
2673
        goto fail;
2674
    }
2675
    s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2676
    if (!s->hrecv) {
2677
        fprintf(stderr, "Failed CreateEvent\n");
2678
        goto fail;
2679
    }
2680

    
2681
    s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
2682
                      OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
2683
    if (s->hcom == INVALID_HANDLE_VALUE) {
2684
        fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
2685
        s->hcom = NULL;
2686
        goto fail;
2687
    }
2688

    
2689
    if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
2690
        fprintf(stderr, "Failed SetupComm\n");
2691
        goto fail;
2692
    }
2693

    
2694
    ZeroMemory(&comcfg, sizeof(COMMCONFIG));
2695
    size = sizeof(COMMCONFIG);
2696
    GetDefaultCommConfig(filename, &comcfg, &size);
2697
    comcfg.dcb.DCBlength = sizeof(DCB);
2698
    CommConfigDialog(filename, NULL, &comcfg);
2699

    
2700
    if (!SetCommState(s->hcom, &comcfg.dcb)) {
2701
        fprintf(stderr, "Failed SetCommState\n");
2702
        goto fail;
2703
    }
2704

    
2705
    if (!SetCommMask(s->hcom, EV_ERR)) {
2706
        fprintf(stderr, "Failed SetCommMask\n");
2707
        goto fail;
2708
    }
2709

    
2710
    cto.ReadIntervalTimeout = MAXDWORD;
2711
    if (!SetCommTimeouts(s->hcom, &cto)) {
2712
        fprintf(stderr, "Failed SetCommTimeouts\n");
2713
        goto fail;
2714
    }
2715

    
2716
    if (!ClearCommError(s->hcom, &err, &comstat)) {
2717
        fprintf(stderr, "Failed ClearCommError\n");
2718
        goto fail;
2719
    }
2720
    qemu_add_polling_cb(win_chr_poll, chr);
2721
    return 0;
2722

    
2723
 fail:
2724
    win_chr_close(chr);
2725
    return -1;
2726
}
2727

    
2728
static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
2729
{
2730
    WinCharState *s = chr->opaque;
2731
    DWORD len, ret, size, err;
2732

    
2733
    len = len1;
2734
    ZeroMemory(&s->osend, sizeof(s->osend));
2735
    s->osend.hEvent = s->hsend;
2736
    while (len > 0) {
2737
        if (s->hsend)
2738
            ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
2739
        else
2740
            ret = WriteFile(s->hcom, buf, len, &size, NULL);
2741
        if (!ret) {
2742
            err = GetLastError();
2743
            if (err == ERROR_IO_PENDING) {
2744
                ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
2745
                if (ret) {
2746
                    buf += size;
2747
                    len -= size;
2748
                } else {
2749
                    break;
2750
                }
2751
            } else {
2752
                break;
2753
            }
2754
        } else {
2755
            buf += size;
2756
            len -= size;
2757
        }
2758
    }
2759
    return len1 - len;
2760
}
2761

    
2762
static int win_chr_read_poll(CharDriverState *chr)
2763
{
2764
    WinCharState *s = chr->opaque;
2765

    
2766
    s->max_size = qemu_chr_can_read(chr);
2767
    return s->max_size;
2768
}
2769

    
2770
static void win_chr_readfile(CharDriverState *chr)
2771
{
2772
    WinCharState *s = chr->opaque;
2773
    int ret, err;
2774
    uint8_t buf[1024];
2775
    DWORD size;
2776

    
2777
    ZeroMemory(&s->orecv, sizeof(s->orecv));
2778
    s->orecv.hEvent = s->hrecv;
2779
    ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
2780
    if (!ret) {
2781
        err = GetLastError();
2782
        if (err == ERROR_IO_PENDING) {
2783
            ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
2784
        }
2785
    }
2786

    
2787
    if (size > 0) {
2788
        qemu_chr_read(chr, buf, size);
2789
    }
2790
}
2791

    
2792
static void win_chr_read(CharDriverState *chr)
2793
{
2794
    WinCharState *s = chr->opaque;
2795

    
2796
    if (s->len > s->max_size)
2797
        s->len = s->max_size;
2798
    if (s->len == 0)
2799
        return;
2800

    
2801
    win_chr_readfile(chr);
2802
}
2803

    
2804
static int win_chr_poll(void *opaque)
2805
{
2806
    CharDriverState *chr = opaque;
2807
    WinCharState *s = chr->opaque;
2808
    COMSTAT status;
2809
    DWORD comerr;
2810

    
2811
    ClearCommError(s->hcom, &comerr, &status);
2812
    if (status.cbInQue > 0) {
2813
        s->len = status.cbInQue;
2814
        win_chr_read_poll(chr);
2815
        win_chr_read(chr);
2816
        return 1;
2817
    }
2818
    return 0;
2819
}
2820

    
2821
static CharDriverState *qemu_chr_open_win(const char *filename)
2822
{
2823
    CharDriverState *chr;
2824
    WinCharState *s;
2825

    
2826
    chr = qemu_mallocz(sizeof(CharDriverState));
2827
    if (!chr)
2828
        return NULL;
2829
    s = qemu_mallocz(sizeof(WinCharState));
2830
    if (!s) {
2831
        free(chr);
2832
        return NULL;
2833
    }
2834
    chr->opaque = s;
2835
    chr->chr_write = win_chr_write;
2836
    chr->chr_close = win_chr_close;
2837

    
2838
    if (win_chr_init(chr, filename) < 0) {
2839
        free(s);
2840
        free(chr);
2841
        return NULL;
2842
    }
2843
    qemu_chr_reset(chr);
2844
    return chr;
2845
}
2846

    
2847
static int win_chr_pipe_poll(void *opaque)
2848
{
2849
    CharDriverState *chr = opaque;
2850
    WinCharState *s = chr->opaque;
2851
    DWORD size;
2852

    
2853
    PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
2854
    if (size > 0) {
2855
        s->len = size;
2856
        win_chr_read_poll(chr);
2857
        win_chr_read(chr);
2858
        return 1;
2859
    }
2860
    return 0;
2861
}
2862

    
2863
static int win_chr_pipe_init(CharDriverState *chr, const char *filename)
2864
{
2865
    WinCharState *s = chr->opaque;
2866
    OVERLAPPED ov;
2867
    int ret;
2868
    DWORD size;
2869
    char openname[256];
2870

    
2871
    s->fpipe = TRUE;
2872

    
2873
    s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
2874
    if (!s->hsend) {
2875
        fprintf(stderr, "Failed CreateEvent\n");
2876
        goto fail;
2877
    }
2878
    s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2879
    if (!s->hrecv) {
2880
        fprintf(stderr, "Failed CreateEvent\n");
2881
        goto fail;
2882
    }
2883

    
2884
    snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
2885
    s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
2886
                              PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
2887
                              PIPE_WAIT,
2888
                              MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
2889
    if (s->hcom == INVALID_HANDLE_VALUE) {
2890
        fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
2891
        s->hcom = NULL;
2892
        goto fail;
2893
    }
2894

    
2895
    ZeroMemory(&ov, sizeof(ov));
2896
    ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
2897
    ret = ConnectNamedPipe(s->hcom, &ov);
2898
    if (ret) {
2899
        fprintf(stderr, "Failed ConnectNamedPipe\n");
2900
        goto fail;
2901
    }
2902

    
2903
    ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
2904
    if (!ret) {
2905
        fprintf(stderr, "Failed GetOverlappedResult\n");
2906
        if (ov.hEvent) {
2907
            CloseHandle(ov.hEvent);
2908
            ov.hEvent = NULL;
2909
        }
2910
        goto fail;
2911
    }
2912

    
2913
    if (ov.hEvent) {
2914
        CloseHandle(ov.hEvent);
2915
        ov.hEvent = NULL;
2916
    }
2917
    qemu_add_polling_cb(win_chr_pipe_poll, chr);
2918
    return 0;
2919

    
2920
 fail:
2921
    win_chr_close(chr);
2922
    return -1;
2923
}
2924

    
2925

    
2926
static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
2927
{
2928
    CharDriverState *chr;
2929
    WinCharState *s;
2930

    
2931
    chr = qemu_mallocz(sizeof(CharDriverState));
2932
    if (!chr)
2933
        return NULL;
2934
    s = qemu_mallocz(sizeof(WinCharState));
2935
    if (!s) {
2936
        free(chr);
2937
        return NULL;
2938
    }
2939
    chr->opaque = s;
2940
    chr->chr_write = win_chr_write;
2941
    chr->chr_close = win_chr_close;
2942

    
2943
    if (win_chr_pipe_init(chr, filename) < 0) {
2944
        free(s);
2945
        free(chr);
2946
        return NULL;
2947
    }
2948
    qemu_chr_reset(chr);
2949
    return chr;
2950
}
2951

    
2952
static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
2953
{
2954
    CharDriverState *chr;
2955
    WinCharState *s;
2956

    
2957
    chr = qemu_mallocz(sizeof(CharDriverState));
2958
    if (!chr)
2959
        return NULL;
2960
    s = qemu_mallocz(sizeof(WinCharState));
2961
    if (!s) {
2962
        free(chr);
2963
        return NULL;
2964
    }
2965
    s->hcom = fd_out;
2966
    chr->opaque = s;
2967
    chr->chr_write = win_chr_write;
2968
    qemu_chr_reset(chr);
2969
    return chr;
2970
}
2971

    
2972
static CharDriverState *qemu_chr_open_win_con(const char *filename)
2973
{
2974
    return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
2975
}
2976

    
2977
static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
2978
{
2979
    HANDLE fd_out;
2980

    
2981
    fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
2982
                        OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
2983
    if (fd_out == INVALID_HANDLE_VALUE)
2984
        return NULL;
2985

    
2986
    return qemu_chr_open_win_file(fd_out);
2987
}
2988
#endif /* !_WIN32 */
2989

    
2990
/***********************************************************/
2991
/* UDP Net console */
2992

    
2993
typedef struct {
2994
    int fd;
2995
    struct sockaddr_in daddr;
2996
    uint8_t buf[1024];
2997
    int bufcnt;
2998
    int bufptr;
2999
    int max_size;
3000
} NetCharDriver;
3001

    
3002
static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
3003
{
3004
    NetCharDriver *s = chr->opaque;
3005

    
3006
    return sendto(s->fd, buf, len, 0,
3007
                  (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
3008
}
3009

    
3010
static int udp_chr_read_poll(void *opaque)
3011
{
3012
    CharDriverState *chr = opaque;
3013
    NetCharDriver *s = chr->opaque;
3014

    
3015
    s->max_size = qemu_chr_can_read(chr);
3016

    
3017
    /* If there were any stray characters in the queue process them
3018
     * first
3019
     */
3020
    while (s->max_size > 0 && s->bufptr < s->bufcnt) {
3021
        qemu_chr_read(chr, &s->buf[s->bufptr], 1);
3022
        s->bufptr++;
3023
        s->max_size = qemu_chr_can_read(chr);
3024
    }
3025
    return s->max_size;
3026
}
3027

    
3028
static void udp_chr_read(void *opaque)
3029
{
3030
    CharDriverState *chr = opaque;
3031
    NetCharDriver *s = chr->opaque;
3032

    
3033
    if (s->max_size == 0)
3034
        return;
3035
    s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0);
3036
    s->bufptr = s->bufcnt;
3037
    if (s->bufcnt <= 0)
3038
        return;
3039

    
3040
    s->bufptr = 0;
3041
    while (s->max_size > 0 && s->bufptr < s->bufcnt) {
3042
        qemu_chr_read(chr, &s->buf[s->bufptr], 1);
3043
        s->bufptr++;
3044
        s->max_size = qemu_chr_can_read(chr);
3045
    }
3046
}
3047

    
3048
static void udp_chr_update_read_handler(CharDriverState *chr)
3049
{
3050
    NetCharDriver *s = chr->opaque;
3051

    
3052
    if (s->fd >= 0) {
3053
        qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
3054
                             udp_chr_read, NULL, chr);
3055
    }
3056
}
3057

    
3058
int parse_host_port(struct sockaddr_in *saddr, const char *str);
3059
#ifndef _WIN32
3060
static int parse_unix_path(struct sockaddr_un *uaddr, const char *str);
3061
#endif
3062
int parse_host_src_port(struct sockaddr_in *haddr,
3063
                        struct sockaddr_in *saddr,
3064
                        const char *str);
3065

    
3066
static CharDriverState *qemu_chr_open_udp(const char *def)
3067
{
3068
    CharDriverState *chr = NULL;
3069
    NetCharDriver *s = NULL;
3070
    int fd = -1;
3071
    struct sockaddr_in saddr;
3072

    
3073
    chr = qemu_mallocz(sizeof(CharDriverState));
3074
    if (!chr)
3075
        goto return_err;
3076
    s = qemu_mallocz(sizeof(NetCharDriver));
3077
    if (!s)
3078
        goto return_err;
3079

    
3080
    fd = socket(PF_INET, SOCK_DGRAM, 0);
3081
    if (fd < 0) {
3082
        perror("socket(PF_INET, SOCK_DGRAM)");
3083
        goto return_err;
3084
    }
3085

    
3086
    if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
3087
        printf("Could not parse: %s\n", def);
3088
        goto return_err;
3089
    }
3090

    
3091
    if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
3092
    {
3093
        perror("bind");
3094
        goto return_err;
3095
    }
3096

    
3097
    s->fd = fd;
3098
    s->bufcnt = 0;
3099
    s->bufptr = 0;
3100
    chr->opaque = s;
3101
    chr->chr_write = udp_chr_write;
3102
    chr->chr_update_read_handler = udp_chr_update_read_handler;
3103
    return chr;
3104

    
3105
return_err:
3106
    if (chr)
3107
        free(chr);
3108
    if (s)
3109
        free(s);
3110
    if (fd >= 0)
3111
        closesocket(fd);
3112
    return NULL;
3113
}
3114

    
3115
/***********************************************************/
3116
/* TCP Net console */
3117

    
3118
typedef struct {
3119
    int fd, listen_fd;
3120
    int connected;
3121
    int max_size;
3122
    int do_telnetopt;
3123
    int do_nodelay;
3124
    int is_unix;
3125
} TCPCharDriver;
3126

    
3127
static void tcp_chr_accept(void *opaque);
3128

    
3129
static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
3130
{
3131
    TCPCharDriver *s = chr->opaque;
3132
    if (s->connected) {
3133
        return send_all(s->fd, buf, len);
3134
    } else {
3135
        /* XXX: indicate an error ? */
3136
        return len;
3137
    }
3138
}
3139

    
3140
static int tcp_chr_read_poll(void *opaque)
3141
{
3142
    CharDriverState *chr = opaque;
3143
    TCPCharDriver *s = chr->opaque;
3144
    if (!s->connected)
3145
        return 0;
3146
    s->max_size = qemu_chr_can_read(chr);
3147
    return s->max_size;
3148
}
3149

    
3150
#define IAC 255
3151
#define IAC_BREAK 243
3152
static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
3153
                                      TCPCharDriver *s,
3154
                                      uint8_t *buf, int *size)
3155
{
3156
    /* Handle any telnet client's basic IAC options to satisfy char by
3157
     * char mode with no echo.  All IAC options will be removed from
3158
     * the buf and the do_telnetopt variable will be used to track the
3159
     * state of the width of the IAC information.
3160
     *
3161
     * IAC commands come in sets of 3 bytes with the exception of the
3162
     * "IAC BREAK" command and the double IAC.
3163
     */
3164

    
3165
    int i;
3166
    int j = 0;
3167

    
3168
    for (i = 0; i < *size; i++) {
3169
        if (s->do_telnetopt > 1) {
3170
            if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
3171
                /* Double IAC means send an IAC */
3172
                if (j != i)
3173
                    buf[j] = buf[i];
3174
                j++;
3175
                s->do_telnetopt = 1;
3176
            } else {
3177
                if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
3178
                    /* Handle IAC break commands by sending a serial break */
3179
                    qemu_chr_event(chr, CHR_EVENT_BREAK);
3180
                    s->do_telnetopt++;
3181
                }
3182
                s->do_telnetopt++;
3183
            }
3184
            if (s->do_telnetopt >= 4) {
3185
                s->do_telnetopt = 1;
3186
            }
3187
        } else {
3188
            if ((unsigned char)buf[i] == IAC) {
3189
                s->do_telnetopt = 2;
3190
            } else {
3191
                if (j != i)
3192
                    buf[j] = buf[i];
3193
                j++;
3194
            }
3195
        }
3196
    }
3197
    *size = j;
3198
}
3199

    
3200
static void tcp_chr_read(void *opaque)
3201
{
3202
    CharDriverState *chr = opaque;
3203
    TCPCharDriver *s = chr->opaque;
3204
    uint8_t buf[1024];
3205
    int len, size;
3206

    
3207
    if (!s->connected || s->max_size <= 0)
3208
        return;
3209
    len = sizeof(buf);
3210
    if (len > s->max_size)
3211
        len = s->max_size;
3212
    size = recv(s->fd, buf, len, 0);
3213
    if (size == 0) {
3214
        /* connection closed */
3215
        s->connected = 0;
3216
        if (s->listen_fd >= 0) {
3217
            qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
3218
        }
3219
        qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
3220
        closesocket(s->fd);
3221
        s->fd = -1;
3222
    } else if (size > 0) {
3223
        if (s->do_telnetopt)
3224
            tcp_chr_process_IAC_bytes(chr, s, buf, &size);
3225
        if (size > 0)
3226
            qemu_chr_read(chr, buf, size);
3227
    }
3228
}
3229

    
3230
static void tcp_chr_connect(void *opaque)
3231
{
3232
    CharDriverState *chr = opaque;
3233
    TCPCharDriver *s = chr->opaque;
3234

    
3235
    s->connected = 1;
3236
    qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
3237
                         tcp_chr_read, NULL, chr);
3238
    qemu_chr_reset(chr);
3239
}
3240

    
3241
#define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
3242
static void tcp_chr_telnet_init(int fd)
3243
{
3244
    char buf[3];
3245
    /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
3246
    IACSET(buf, 0xff, 0xfb, 0x01);  /* IAC WILL ECHO */
3247
    send(fd, (char *)buf, 3, 0);
3248
    IACSET(buf, 0xff, 0xfb, 0x03);  /* IAC WILL Suppress go ahead */
3249
    send(fd, (char *)buf, 3, 0);
3250
    IACSET(buf, 0xff, 0xfb, 0x00);  /* IAC WILL Binary */
3251
    send(fd, (char *)buf, 3, 0);
3252
    IACSET(buf, 0xff, 0xfd, 0x00);  /* IAC DO Binary */
3253
    send(fd, (char *)buf, 3, 0);
3254
}
3255

    
3256
static void socket_set_nodelay(int fd)
3257
{
3258
    int val = 1;
3259
    setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
3260
}
3261

    
3262
static void tcp_chr_accept(void *opaque)
3263
{
3264
    CharDriverState *chr = opaque;
3265
    TCPCharDriver *s = chr->opaque;
3266
    struct sockaddr_in saddr;
3267
#ifndef _WIN32
3268
    struct sockaddr_un uaddr;
3269
#endif
3270
    struct sockaddr *addr;
3271
    socklen_t len;
3272
    int fd;
3273

    
3274
    for(;;) {
3275
#ifndef _WIN32
3276
        if (s->is_unix) {
3277
            len = sizeof(uaddr);
3278
            addr = (struct sockaddr *)&uaddr;
3279
        } else
3280
#endif
3281
        {
3282
            len = sizeof(saddr);
3283
            addr = (struct sockaddr *)&saddr;
3284
        }
3285
        fd = accept(s->listen_fd, addr, &len);
3286
        if (fd < 0 && errno != EINTR) {
3287
            return;
3288
        } else if (fd >= 0) {
3289
            if (s->do_telnetopt)
3290
                tcp_chr_telnet_init(fd);
3291
            break;
3292
        }
3293
    }
3294
    socket_set_nonblock(fd);
3295
    if (s->do_nodelay)
3296
        socket_set_nodelay(fd);
3297
    s->fd = fd;
3298
    qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
3299
    tcp_chr_connect(chr);
3300
}
3301

    
3302
static void tcp_chr_close(CharDriverState *chr)
3303
{
3304
    TCPCharDriver *s = chr->opaque;
3305
    if (s->fd >= 0)
3306
        closesocket(s->fd);
3307
    if (s->listen_fd >= 0)
3308
        closesocket(s->listen_fd);
3309
    qemu_free(s);
3310
}
3311

    
3312
static CharDriverState *qemu_chr_open_tcp(const char *host_str,
3313
                                          int is_telnet,
3314
                                          int is_unix)
3315
{
3316
    CharDriverState *chr = NULL;
3317
    TCPCharDriver *s = NULL;
3318
    int fd = -1, ret, err, val;
3319
    int is_listen = 0;
3320
    int is_waitconnect = 1;
3321
    int do_nodelay = 0;
3322
    const char *ptr;
3323
    struct sockaddr_in saddr;
3324
#ifndef _WIN32
3325
    struct sockaddr_un uaddr;
3326
#endif
3327
    struct sockaddr *addr;
3328
    socklen_t addrlen;
3329

    
3330
#ifndef _WIN32
3331
    if (is_unix) {
3332
        addr = (struct sockaddr *)&uaddr;
3333
        addrlen = sizeof(uaddr);
3334
        if (parse_unix_path(&uaddr, host_str) < 0)
3335
            goto fail;
3336
    } else
3337
#endif
3338
    {
3339
        addr = (struct sockaddr *)&saddr;
3340
        addrlen = sizeof(saddr);
3341
        if (parse_host_port(&saddr, host_str) < 0)
3342
            goto fail;
3343
    }
3344

    
3345
    ptr = host_str;
3346
    while((ptr = strchr(ptr,','))) {
3347
        ptr++;
3348
        if (!strncmp(ptr,"server",6)) {
3349
            is_listen = 1;
3350
        } else if (!strncmp(ptr,"nowait",6)) {
3351
            is_waitconnect = 0;
3352
        } else if (!strncmp(ptr,"nodelay",6)) {
3353
            do_nodelay = 1;
3354
        } else {
3355
            printf("Unknown option: %s\n", ptr);
3356
            goto fail;
3357
        }
3358
    }
3359
    if (!is_listen)
3360
        is_waitconnect = 0;
3361

    
3362
    chr = qemu_mallocz(sizeof(CharDriverState));
3363
    if (!chr)
3364
        goto fail;
3365
    s = qemu_mallocz(sizeof(TCPCharDriver));
3366
    if (!s)
3367
        goto fail;
3368

    
3369
#ifndef _WIN32
3370
    if (is_unix)
3371
        fd = socket(PF_UNIX, SOCK_STREAM, 0);
3372
    else
3373
#endif
3374
        fd = socket(PF_INET, SOCK_STREAM, 0);
3375

    
3376
    if (fd < 0)
3377
        goto fail;
3378

    
3379
    if (!is_waitconnect)
3380
        socket_set_nonblock(fd);
3381

    
3382
    s->connected = 0;
3383
    s->fd = -1;
3384
    s->listen_fd = -1;
3385
    s->is_unix = is_unix;
3386
    s->do_nodelay = do_nodelay && !is_unix;
3387

    
3388
    chr->opaque = s;
3389
    chr->chr_write = tcp_chr_write;
3390
    chr->chr_close = tcp_chr_close;
3391

    
3392
    if (is_listen) {
3393
        /* allow fast reuse */
3394
#ifndef _WIN32
3395
        if (is_unix) {
3396
            char path[109];
3397
            strncpy(path, uaddr.sun_path, 108);
3398
            path[108] = 0;
3399
            unlink(path);
3400
        } else
3401
#endif
3402
        {
3403
            val = 1;
3404
            setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
3405
        }
3406

    
3407
        ret = bind(fd, addr, addrlen);
3408
        if (ret < 0)
3409
            goto fail;
3410

    
3411
        ret = listen(fd, 0);
3412
        if (ret < 0)
3413
            goto fail;
3414

    
3415
        s->listen_fd = fd;
3416
        qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
3417
        if (is_telnet)
3418
            s->do_telnetopt = 1;
3419
    } else {
3420
        for(;;) {
3421
            ret = connect(fd, addr, addrlen);
3422
            if (ret < 0) {
3423
                err = socket_error();
3424
                if (err == EINTR || err == EWOULDBLOCK) {
3425
                } else if (err == EINPROGRESS) {
3426
                    break;
3427
#ifdef _WIN32
3428
                } else if (err == WSAEALREADY) {
3429
                    break;
3430
#endif
3431
                } else {
3432
                    goto fail;
3433
                }
3434
            } else {
3435
                s->connected = 1;
3436
                break;
3437
            }
3438
        }
3439
        s->fd = fd;
3440
        socket_set_nodelay(fd);
3441
        if (s->connected)
3442
            tcp_chr_connect(chr);
3443
        else
3444
            qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
3445
    }
3446

    
3447
    if (is_listen && is_waitconnect) {
3448
        printf("QEMU waiting for connection on: %s\n", host_str);
3449
        tcp_chr_accept(chr);
3450
        socket_set_nonblock(s->listen_fd);
3451
    }
3452

    
3453
    return chr;
3454
 fail:
3455
    if (fd >= 0)
3456
        closesocket(fd);
3457
    qemu_free(s);
3458
    qemu_free(chr);
3459
    return NULL;
3460
}
3461

    
3462
CharDriverState *qemu_chr_open(const char *filename)
3463
{
3464
    const char *p;
3465

    
3466
    if (!strcmp(filename, "vc")) {
3467
        return text_console_init(&display_state, 0);
3468
    } else if (strstart(filename, "vc:", &p)) {
3469
        return text_console_init(&display_state, p);
3470
    } else if (!strcmp(filename, "null")) {
3471
        return qemu_chr_open_null();
3472
    } else
3473
    if (strstart(filename, "tcp:", &p)) {
3474
        return qemu_chr_open_tcp(p, 0, 0);
3475
    } else
3476
    if (strstart(filename, "telnet:", &p)) {
3477
        return qemu_chr_open_tcp(p, 1, 0);
3478
    } else
3479
    if (strstart(filename, "udp:", &p)) {
3480
        return qemu_chr_open_udp(p);
3481
    } else
3482
    if (strstart(filename, "mon:", &p)) {
3483
        CharDriverState *drv = qemu_chr_open(p);
3484
        if (drv) {
3485
            drv = qemu_chr_open_mux(drv);
3486
            monitor_init(drv, !nographic);
3487
            return drv;
3488
        }
3489
        printf("Unable to open driver: %s\n", p);
3490
        return 0;
3491
    } else
3492
#ifndef _WIN32
3493
    if (strstart(filename, "unix:", &p)) {
3494
        return qemu_chr_open_tcp(p, 0, 1);
3495
    } else if (strstart(filename, "file:", &p)) {
3496
        return qemu_chr_open_file_out(p);
3497
    } else if (strstart(filename, "pipe:", &p)) {
3498
        return qemu_chr_open_pipe(p);
3499
    } else if (!strcmp(filename, "pty")) {
3500
        return qemu_chr_open_pty();
3501
    } else if (!strcmp(filename, "stdio")) {
3502
        return qemu_chr_open_stdio();
3503
    } else
3504
#if defined(__linux__)
3505
    if (strstart(filename, "/dev/parport", NULL)) {
3506
        return qemu_chr_open_pp(filename);
3507
    } else
3508
#endif
3509
#if defined(__linux__) || defined(__sun__)
3510
    if (strstart(filename, "/dev/", NULL)) {
3511
        return qemu_chr_open_tty(filename);
3512
    } else
3513
#endif
3514
#else /* !_WIN32 */
3515
    if (strstart(filename, "COM", NULL)) {
3516
        return qemu_chr_open_win(filename);
3517
    } else
3518
    if (strstart(filename, "pipe:", &p)) {
3519
        return qemu_chr_open_win_pipe(p);
3520
    } else
3521
    if (strstart(filename, "con:", NULL)) {
3522
        return qemu_chr_open_win_con(filename);
3523
    } else
3524
    if (strstart(filename, "file:", &p)) {
3525
        return qemu_chr_open_win_file_out(p);
3526
    } else
3527
#endif
3528
#ifdef CONFIG_BRLAPI
3529
    if (!strcmp(filename, "braille")) {
3530
        return chr_baum_init();
3531
    } else
3532
#endif
3533
    {
3534
        return NULL;
3535
    }
3536
}
3537

    
3538
void qemu_chr_close(CharDriverState *chr)
3539
{
3540
    if (chr->chr_close)
3541
        chr->chr_close(chr);
3542
    qemu_free(chr);
3543
}
3544

    
3545
/***********************************************************/
3546
/* network device redirectors */
3547

    
3548
__attribute__ (( unused ))
3549
static void hex_dump(FILE *f, const uint8_t *buf, int size)
3550
{
3551
    int len, i, j, c;
3552

    
3553
    for(i=0;i<size;i+=16) {
3554
        len = size - i;
3555
        if (len > 16)
3556
            len = 16;
3557
        fprintf(f, "%08x ", i);
3558
        for(j=0;j<16;j++) {
3559
            if (j < len)
3560
                fprintf(f, " %02x", buf[i+j]);
3561
            else
3562
                fprintf(f, "   ");
3563
        }
3564
        fprintf(f, " ");
3565
        for(j=0;j<len;j++) {
3566
            c = buf[i+j];
3567
            if (c < ' ' || c > '~')
3568
                c = '.';
3569
            fprintf(f, "%c", c);
3570
        }
3571
        fprintf(f, "\n");
3572
    }
3573
}
3574

    
3575
static int parse_macaddr(uint8_t *macaddr, const char *p)
3576
{
3577
    int i;
3578
    char *last_char;
3579
    long int offset;
3580

    
3581
    errno = 0;
3582
    offset = strtol(p, &last_char, 0);    
3583
    if (0 == errno && '\0' == *last_char &&
3584
            offset >= 0 && offset <= 0xFFFFFF) {
3585
        macaddr[3] = (offset & 0xFF0000) >> 16;
3586
        macaddr[4] = (offset & 0xFF00) >> 8;
3587
        macaddr[5] = offset & 0xFF;
3588
        return 0;
3589
    } else {
3590
        for(i = 0; i < 6; i++) {
3591
            macaddr[i] = strtol(p, (char **)&p, 16);
3592
            if (i == 5) {
3593
                if (*p != '\0')
3594
                    return -1;
3595
            } else {
3596
                if (*p != ':' && *p != '-')
3597
                    return -1;
3598
                p++;
3599
            }
3600
        }
3601
        return 0;    
3602
    }
3603

    
3604
    return -1;
3605
}
3606

    
3607
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
3608
{
3609
    const char *p, *p1;
3610
    int len;
3611
    p = *pp;
3612
    p1 = strchr(p, sep);
3613
    if (!p1)
3614
        return -1;
3615
    len = p1 - p;
3616
    p1++;
3617
    if (buf_size > 0) {
3618
        if (len > buf_size - 1)
3619
            len = buf_size - 1;
3620
        memcpy(buf, p, len);
3621
        buf[len] = '\0';
3622
    }
3623
    *pp = p1;
3624
    return 0;
3625
}
3626

    
3627
int parse_host_src_port(struct sockaddr_in *haddr,
3628
                        struct sockaddr_in *saddr,
3629
                        const char *input_str)
3630
{
3631
    char *str = strdup(input_str);
3632
    char *host_str = str;
3633
    char *src_str;
3634
    char *ptr;
3635

    
3636
    /*
3637
     * Chop off any extra arguments at the end of the string which
3638
     * would start with a comma, then fill in the src port information
3639
     * if it was provided else use the "any address" and "any port".
3640
     */
3641
    if ((ptr = strchr(str,',')))
3642
        *ptr = '\0';
3643

    
3644
    if ((src_str = strchr(input_str,'@'))) {
3645
        *src_str = '\0';
3646
        src_str++;
3647
    }
3648

    
3649
    if (parse_host_port(haddr, host_str) < 0)
3650
        goto fail;
3651

    
3652
    if (!src_str || *src_str == '\0')
3653
        src_str = ":0";
3654

    
3655
    if (parse_host_port(saddr, src_str) < 0)
3656
        goto fail;
3657

    
3658
    free(str);
3659
    return(0);
3660

    
3661
fail:
3662
    free(str);
3663
    return -1;
3664
}
3665

    
3666
int parse_host_port(struct sockaddr_in *saddr, const char *str)
3667
{
3668
    char buf[512];
3669
    struct hostent *he;
3670
    const char *p, *r;
3671
    int port;
3672

    
3673
    p = str;
3674
    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3675
        return -1;
3676
    saddr->sin_family = AF_INET;
3677
    if (buf[0] == '\0') {
3678
        saddr->sin_addr.s_addr = 0;
3679
    } else {
3680
        if (isdigit(buf[0])) {
3681
            if (!inet_aton(buf, &saddr->sin_addr))
3682
                return -1;
3683
        } else {
3684
            if ((he = gethostbyname(buf)) == NULL)
3685
                return - 1;
3686
            saddr->sin_addr = *(struct in_addr *)he->h_addr;
3687
        }
3688
    }
3689
    port = strtol(p, (char **)&r, 0);
3690
    if (r == p)
3691
        return -1;
3692
    saddr->sin_port = htons(port);
3693
    return 0;
3694
}
3695

    
3696
#ifndef _WIN32
3697
static int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
3698
{
3699
    const char *p;
3700
    int len;
3701

    
3702
    len = MIN(108, strlen(str));
3703
    p = strchr(str, ',');
3704
    if (p)
3705
        len = MIN(len, p - str);
3706

    
3707
    memset(uaddr, 0, sizeof(*uaddr));
3708

    
3709
    uaddr->sun_family = AF_UNIX;
3710
    memcpy(uaddr->sun_path, str, len);
3711

    
3712
    return 0;
3713
}
3714
#endif
3715

    
3716
/* find or alloc a new VLAN */
3717
VLANState *qemu_find_vlan(int id)
3718
{
3719
    VLANState **pvlan, *vlan;
3720
    for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
3721
        if (vlan->id == id)
3722
            return vlan;
3723
    }
3724
    vlan = qemu_mallocz(sizeof(VLANState));
3725
    if (!vlan)
3726
        return NULL;
3727
    vlan->id = id;
3728
    vlan->next = NULL;
3729
    pvlan = &first_vlan;
3730
    while (*pvlan != NULL)
3731
        pvlan = &(*pvlan)->next;
3732
    *pvlan = vlan;
3733
    return vlan;
3734
}
3735

    
3736
VLANClientState *qemu_new_vlan_client(VLANState *vlan,
3737
                                      IOReadHandler *fd_read,
3738
                                      IOCanRWHandler *fd_can_read,
3739
                                      void *opaque)
3740
{
3741
    VLANClientState *vc, **pvc;
3742
    vc = qemu_mallocz(sizeof(VLANClientState));
3743
    if (!vc)
3744
        return NULL;
3745
    vc->fd_read = fd_read;
3746
    vc->fd_can_read = fd_can_read;
3747
    vc->opaque = opaque;
3748
    vc->vlan = vlan;
3749

    
3750
    vc->next = NULL;
3751
    pvc = &vlan->first_client;
3752
    while (*pvc != NULL)
3753
        pvc = &(*pvc)->next;
3754
    *pvc = vc;
3755
    return vc;
3756
}
3757

    
3758
int qemu_can_send_packet(VLANClientState *vc1)
3759
{
3760
    VLANState *vlan = vc1->vlan;
3761
    VLANClientState *vc;
3762

    
3763
    for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
3764
        if (vc != vc1) {
3765
            if (vc->fd_can_read && vc->fd_can_read(vc->opaque))
3766
                return 1;
3767
        }
3768
    }
3769
    return 0;
3770
}
3771

    
3772
void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size)
3773
{
3774
    VLANState *vlan = vc1->vlan;
3775
    VLANClientState *vc;
3776

    
3777
#if 0
3778
    printf("vlan %d send:\n", vlan->id);
3779
    hex_dump(stdout, buf, size);
3780
#endif
3781
    for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
3782
        if (vc != vc1) {
3783
            vc->fd_read(vc->opaque, buf, size);
3784
        }
3785
    }
3786
}
3787

    
3788
#if defined(CONFIG_SLIRP)
3789

    
3790
/* slirp network adapter */
3791

    
3792
static int slirp_inited;
3793
static VLANClientState *slirp_vc;
3794

    
3795
int slirp_can_output(void)
3796
{
3797
    return !slirp_vc || qemu_can_send_packet(slirp_vc);
3798
}
3799

    
3800
void slirp_output(const uint8_t *pkt, int pkt_len)
3801
{
3802
#if 0
3803
    printf("slirp output:\n");
3804
    hex_dump(stdout, pkt, pkt_len);
3805
#endif
3806
    if (!slirp_vc)
3807
        return;
3808
    qemu_send_packet(slirp_vc, pkt, pkt_len);
3809
}
3810

    
3811
static void slirp_receive(void *opaque, const uint8_t *buf, int size)
3812
{
3813
#if 0
3814
    printf("slirp input:\n");
3815
    hex_dump(stdout, buf, size);
3816
#endif
3817
    slirp_input(buf, size);
3818
}
3819

    
3820
static int net_slirp_init(VLANState *vlan)
3821
{
3822
    if (!slirp_inited) {
3823
        slirp_inited = 1;
3824
        slirp_init();
3825
    }
3826
    slirp_vc = qemu_new_vlan_client(vlan,
3827
                                    slirp_receive, NULL, NULL);
3828
    snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
3829
    return 0;
3830
}
3831

    
3832
static void net_slirp_redir(const char *redir_str)
3833
{
3834
    int is_udp;
3835
    char buf[256], *r;
3836
    const char *p;
3837
    struct in_addr guest_addr;
3838
    int host_port, guest_port;
3839

    
3840
    if (!slirp_inited) {
3841
        slirp_inited = 1;
3842
        slirp_init();
3843
    }
3844

    
3845
    p = redir_str;
3846
    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3847
        goto fail;
3848
    if (!strcmp(buf, "tcp")) {
3849
        is_udp = 0;
3850
    } else if (!strcmp(buf, "udp")) {
3851
        is_udp = 1;
3852
    } else {
3853
        goto fail;
3854
    }
3855

    
3856
    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3857
        goto fail;
3858
    host_port = strtol(buf, &r, 0);
3859
    if (r == buf)
3860
        goto fail;
3861

    
3862
    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3863
        goto fail;
3864
    if (buf[0] == '\0') {
3865
        pstrcpy(buf, sizeof(buf), "10.0.2.15");
3866
    }
3867
    if (!inet_aton(buf, &guest_addr))
3868
        goto fail;
3869

    
3870
    guest_port = strtol(p, &r, 0);
3871
    if (r == p)
3872
        goto fail;
3873

    
3874
    if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
3875
        fprintf(stderr, "qemu: could not set up redirection\n");
3876
        exit(1);
3877
    }
3878
    return;
3879
 fail:
3880
    fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
3881
    exit(1);
3882
}
3883

    
3884
#ifndef _WIN32
3885

    
3886
char smb_dir[1024];
3887

    
3888
static void erase_dir(char *dir_name)
3889
{
3890
    DIR *d;
3891
    struct dirent *de;
3892
    char filename[1024];
3893

    
3894
    /* erase all the files in the directory */
3895
    if ((d = opendir(dir_name)) != 0) {
3896
        for(;;) {
3897
            de = readdir(d);
3898
            if (!de)
3899
                break;
3900
            if (strcmp(de->d_name, ".") != 0 &&
3901
                strcmp(de->d_name, "..") != 0) {
3902
                snprintf(filename, sizeof(filename), "%s/%s",
3903
                         smb_dir, de->d_name);
3904
                if (unlink(filename) != 0)  /* is it a directory? */
3905
                    erase_dir(filename);
3906
            }
3907
        }
3908
        closedir(d);
3909
        rmdir(dir_name);
3910
    }
3911
}
3912

    
3913
/* automatic user mode samba server configuration */
3914
static void smb_exit(void)
3915
{
3916
    erase_dir(smb_dir);
3917
}
3918

    
3919
/* automatic user mode samba server configuration */
3920
static void net_slirp_smb(const char *exported_dir)
3921
{
3922
    char smb_conf[1024];
3923
    char smb_cmdline[1024];
3924
    FILE *f;
3925

    
3926
    if (!slirp_inited) {
3927
        slirp_inited = 1;
3928
        slirp_init();
3929
    }
3930

    
3931
    /* XXX: better tmp dir construction */
3932
    snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
3933
    if (mkdir(smb_dir, 0700) < 0) {
3934
        fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
3935
        exit(1);
3936
    }
3937
    snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
3938

    
3939
    f = fopen(smb_conf, "w");
3940
    if (!f) {
3941
        fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
3942
        exit(1);
3943
    }
3944
    fprintf(f,
3945
            "[global]\n"
3946
            "private dir=%s\n"
3947
            "smb ports=0\n"
3948
            "socket address=127.0.0.1\n"
3949
            "pid directory=%s\n"
3950
            "lock directory=%s\n"
3951
            "log file=%s/log.smbd\n"
3952
            "smb passwd file=%s/smbpasswd\n"
3953
            "security = share\n"
3954
            "[qemu]\n"
3955
            "path=%s\n"
3956
            "read only=no\n"
3957
            "guest ok=yes\n",
3958
            smb_dir,
3959
            smb_dir,
3960
            smb_dir,
3961
            smb_dir,
3962
            smb_dir,
3963
            exported_dir
3964
            );
3965
    fclose(f);
3966
    atexit(smb_exit);
3967

    
3968
    snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s",
3969
             SMBD_COMMAND, smb_conf);
3970

    
3971
    slirp_add_exec(0, smb_cmdline, 4, 139);
3972
}
3973

    
3974
#endif /* !defined(_WIN32) */
3975
void do_info_slirp(void)
3976
{
3977
    slirp_stats();
3978
}
3979

    
3980
#endif /* CONFIG_SLIRP */
3981

    
3982
#if !defined(_WIN32)
3983

    
3984
typedef struct TAPState {
3985
    VLANClientState *vc;
3986
    int fd;
3987
    char down_script[1024];
3988
} TAPState;
3989

    
3990
static void tap_receive(void *opaque, const uint8_t *buf, int size)
3991
{
3992
    TAPState *s = opaque;
3993
    int ret;
3994
    for(;;) {
3995
        ret = write(s->fd, buf, size);
3996
        if (ret < 0 && (errno == EINTR || errno == EAGAIN)) {
3997
        } else {
3998
            break;
3999
        }
4000
    }
4001
}
4002

    
4003
static void tap_send(void *opaque)
4004
{
4005
    TAPState *s = opaque;
4006
    uint8_t buf[4096];
4007
    int size;
4008

    
4009
#ifdef __sun__
4010
    struct strbuf sbuf;
4011
    int f = 0;
4012
    sbuf.maxlen = sizeof(buf);
4013
    sbuf.buf = buf;
4014
    size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1;
4015
#else
4016
    size = read(s->fd, buf, sizeof(buf));
4017
#endif
4018
    if (size > 0) {
4019
        qemu_send_packet(s->vc, buf, size);
4020
    }
4021
}
4022

    
4023
/* fd support */
4024

    
4025
static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
4026
{
4027
    TAPState *s;
4028

    
4029
    s = qemu_mallocz(sizeof(TAPState));
4030
    if (!s)
4031
        return NULL;
4032
    s->fd = fd;
4033
    s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
4034
    qemu_set_fd_handler(s->fd, tap_send, NULL, s);
4035
    snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
4036
    return s;
4037
}
4038

    
4039
#if defined (_BSD) || defined (__FreeBSD_kernel__)
4040
static int tap_open(char *ifname, int ifname_size)
4041
{
4042
    int fd;
4043
    char *dev;
4044
    struct stat s;
4045

    
4046
    TFR(fd = open("/dev/tap", O_RDWR));
4047
    if (fd < 0) {
4048
        fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
4049
        return -1;
4050
    }
4051

    
4052
    fstat(fd, &s);
4053
    dev = devname(s.st_rdev, S_IFCHR);
4054
    pstrcpy(ifname, ifname_size, dev);
4055

    
4056
    fcntl(fd, F_SETFL, O_NONBLOCK);
4057
    return fd;
4058
}
4059
#elif defined(__sun__)
4060
#define TUNNEWPPA       (('T'<<16) | 0x0001)
4061
/*
4062
 * Allocate TAP device, returns opened fd.
4063
 * Stores dev name in the first arg(must be large enough).
4064
 */
4065
int tap_alloc(char *dev)
4066
{
4067
    int tap_fd, if_fd, ppa = -1;
4068
    static int ip_fd = 0;
4069
    char *ptr;
4070

    
4071
    static int arp_fd = 0;
4072
    int ip_muxid, arp_muxid;
4073
    struct strioctl  strioc_if, strioc_ppa;
4074
    int link_type = I_PLINK;;
4075
    struct lifreq ifr;
4076
    char actual_name[32] = "";
4077

    
4078
    memset(&ifr, 0x0, sizeof(ifr));
4079

    
4080
    if( *dev ){
4081
       ptr = dev;
4082
       while( *ptr && !isdigit((int)*ptr) ) ptr++;
4083
       ppa = atoi(ptr);
4084
    }
4085

    
4086
    /* Check if IP device was opened */
4087
    if( ip_fd )
4088
       close(ip_fd);
4089

    
4090
    TFR(ip_fd = open("/dev/udp", O_RDWR, 0));
4091
    if (ip_fd < 0) {
4092
       syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
4093
       return -1;
4094
    }
4095

    
4096
    TFR(tap_fd = open("/dev/tap", O_RDWR, 0));
4097
    if (tap_fd < 0) {
4098
       syslog(LOG_ERR, "Can't open /dev/tap");
4099
       return -1;
4100
    }
4101

    
4102
    /* Assign a new PPA and get its unit number. */
4103
    strioc_ppa.ic_cmd = TUNNEWPPA;
4104
    strioc_ppa.ic_timout = 0;
4105
    strioc_ppa.ic_len = sizeof(ppa);
4106
    strioc_ppa.ic_dp = (char *)&ppa;
4107
    if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0)
4108
       syslog (LOG_ERR, "Can't assign new interface");
4109

    
4110
    TFR(if_fd = open("/dev/tap", O_RDWR, 0));
4111
    if (if_fd < 0) {
4112
       syslog(LOG_ERR, "Can't open /dev/tap (2)");
4113
       return -1;
4114
    }
4115
    if(ioctl(if_fd, I_PUSH, "ip") < 0){
4116
       syslog(LOG_ERR, "Can't push IP module");
4117
       return -1;
4118
    }
4119

    
4120
    if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0)
4121
        syslog(LOG_ERR, "Can't get flags\n");
4122

    
4123
    snprintf (actual_name, 32, "tap%d", ppa);
4124
    strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
4125

    
4126
    ifr.lifr_ppa = ppa;
4127
    /* Assign ppa according to the unit number returned by tun device */
4128

    
4129
    if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0)
4130
        syslog (LOG_ERR, "Can't set PPA %d", ppa);
4131
    if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0)
4132
        syslog (LOG_ERR, "Can't get flags\n");
4133
    /* Push arp module to if_fd */
4134
    if (ioctl (if_fd, I_PUSH, "arp") < 0)
4135
        syslog (LOG_ERR, "Can't push ARP module (2)");
4136

    
4137
    /* Push arp module to ip_fd */
4138
    if (ioctl (ip_fd, I_POP, NULL) < 0)
4139
        syslog (LOG_ERR, "I_POP failed\n");
4140
    if (ioctl (ip_fd, I_PUSH, "arp") < 0)
4141
        syslog (LOG_ERR, "Can't push ARP module (3)\n");
4142
    /* Open arp_fd */
4143
    TFR(arp_fd = open ("/dev/tap", O_RDWR, 0));
4144
    if (arp_fd < 0)
4145
       syslog (LOG_ERR, "Can't open %s\n", "/dev/tap");
4146

    
4147
    /* Set ifname to arp */
4148
    strioc_if.ic_cmd = SIOCSLIFNAME;
4149
    strioc_if.ic_timout = 0;
4150
    strioc_if.ic_len = sizeof(ifr);
4151
    strioc_if.ic_dp = (char *)&ifr;
4152
    if (ioctl(arp_fd, I_STR, &strioc_if) < 0){
4153
        syslog (LOG_ERR, "Can't set ifname to arp\n");
4154
    }
4155

    
4156
    if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){
4157
       syslog(LOG_ERR, "Can't link TAP device to IP");
4158
       return -1;
4159
    }
4160

    
4161
    if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0)
4162
        syslog (LOG_ERR, "Can't link TAP device to ARP");
4163

    
4164
    close (if_fd);
4165

    
4166
    memset(&ifr, 0x0, sizeof(ifr));
4167
    strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
4168
    ifr.lifr_ip_muxid  = ip_muxid;
4169
    ifr.lifr_arp_muxid = arp_muxid;
4170

    
4171
    if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0)
4172
    {
4173
      ioctl (ip_fd, I_PUNLINK , arp_muxid);
4174
      ioctl (ip_fd, I_PUNLINK, ip_muxid);
4175
      syslog (LOG_ERR, "Can't set multiplexor id");
4176
    }
4177

    
4178
    sprintf(dev, "tap%d", ppa);
4179
    return tap_fd;
4180
}
4181

    
4182
static int tap_open(char *ifname, int ifname_size)
4183
{
4184
    char  dev[10]="";
4185
    int fd;
4186
    if( (fd = tap_alloc(dev)) < 0 ){
4187
       fprintf(stderr, "Cannot allocate TAP device\n");
4188
       return -1;
4189
    }
4190
    pstrcpy(ifname, ifname_size, dev);
4191
    fcntl(fd, F_SETFL, O_NONBLOCK);
4192
    return fd;
4193
}
4194
#else
4195
static int tap_open(char *ifname, int ifname_size)
4196
{
4197
    struct ifreq ifr;
4198
    int fd, ret;
4199

    
4200
    TFR(fd = open("/dev/net/tun", O_RDWR));
4201
    if (fd < 0) {
4202
        fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
4203
        return -1;
4204
    }
4205
    memset(&ifr, 0, sizeof(ifr));
4206
    ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
4207
    if (ifname[0] != '\0')
4208
        pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
4209
    else
4210
        pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
4211
    ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
4212
    if (ret != 0) {
4213
        fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
4214
        close(fd);
4215
        return -1;
4216
    }
4217
    pstrcpy(ifname, ifname_size, ifr.ifr_name);
4218
    fcntl(fd, F_SETFL, O_NONBLOCK);
4219
    return fd;
4220
}
4221
#endif
4222

    
4223
static int launch_script(const char *setup_script, const char *ifname, int fd)
4224
{
4225
    int pid, status;
4226
    char *args[3];
4227
    char **parg;
4228

    
4229
        /* try to launch network script */
4230
        pid = fork();
4231
        if (pid >= 0) {
4232
            if (pid == 0) {
4233
                int open_max = sysconf (_SC_OPEN_MAX), i;
4234
                for (i = 0; i < open_max; i++)
4235
                    if (i != STDIN_FILENO &&
4236
                        i != STDOUT_FILENO &&
4237
                        i != STDERR_FILENO &&
4238
                        i != fd)
4239
                        close(i);
4240

    
4241
                parg = args;
4242
                *parg++ = (char *)setup_script;
4243
                *parg++ = (char *)ifname;
4244
                *parg++ = NULL;
4245
                execv(setup_script, args);
4246
                _exit(1);
4247
            }
4248
            while (waitpid(pid, &status, 0) != pid);
4249
            if (!WIFEXITED(status) ||
4250
                WEXITSTATUS(status) != 0) {
4251
                fprintf(stderr, "%s: could not launch network script\n",
4252
                        setup_script);
4253
                return -1;
4254
            }
4255
        }
4256
    return 0;
4257
}
4258

    
4259
static int net_tap_init(VLANState *vlan, const char *ifname1,
4260
                        const char *setup_script, const char *down_script)
4261
{
4262
    TAPState *s;
4263
    int fd;
4264
    char ifname[128];
4265

    
4266
    if (ifname1 != NULL)
4267
        pstrcpy(ifname, sizeof(ifname), ifname1);
4268
    else
4269
        ifname[0] = '\0';
4270
    TFR(fd = tap_open(ifname, sizeof(ifname)));
4271
    if (fd < 0)
4272
        return -1;
4273

    
4274
    if (!setup_script || !strcmp(setup_script, "no"))
4275
        setup_script = "";
4276
    if (setup_script[0] != '\0') {
4277
        if (launch_script(setup_script, ifname, fd))
4278
            return -1;
4279
    }
4280
    s = net_tap_fd_init(vlan, fd);
4281
    if (!s)
4282
        return -1;
4283
    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4284
             "tap: ifname=%s setup_script=%s", ifname, setup_script);
4285
    if (down_script && strcmp(down_script, "no"))
4286
        snprintf(s->down_script, sizeof(s->down_script), "%s", down_script);
4287
    return 0;
4288
}
4289

    
4290
#endif /* !_WIN32 */
4291

    
4292
/* network connection */
4293
typedef struct NetSocketState {
4294
    VLANClientState *vc;
4295
    int fd;
4296
    int state; /* 0 = getting length, 1 = getting data */
4297
    int index;
4298
    int packet_len;
4299
    uint8_t buf[4096];
4300
    struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
4301
} NetSocketState;
4302

    
4303
typedef struct NetSocketListenState {
4304
    VLANState *vlan;
4305
    int fd;
4306
} NetSocketListenState;
4307

    
4308
/* XXX: we consider we can send the whole packet without blocking */
4309
static void net_socket_receive(void *opaque, const uint8_t *buf, int size)
4310
{
4311
    NetSocketState *s = opaque;
4312
    uint32_t len;
4313
    len = htonl(size);
4314

    
4315
    send_all(s->fd, (const uint8_t *)&len, sizeof(len));
4316
    send_all(s->fd, buf, size);
4317
}
4318

    
4319
static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size)
4320
{
4321
    NetSocketState *s = opaque;
4322
    sendto(s->fd, buf, size, 0,
4323
           (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst));
4324
}
4325

    
4326
static void net_socket_send(void *opaque)
4327
{
4328
    NetSocketState *s = opaque;
4329
    int l, size, err;
4330
    uint8_t buf1[4096];
4331
    const uint8_t *buf;
4332

    
4333
    size = recv(s->fd, buf1, sizeof(buf1), 0);
4334
    if (size < 0) {
4335
        err = socket_error();
4336
        if (err != EWOULDBLOCK)
4337
            goto eoc;
4338
    } else if (size == 0) {
4339
        /* end of connection */
4340
    eoc:
4341
        qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
4342
        closesocket(s->fd);
4343
        return;
4344
    }
4345
    buf = buf1;
4346
    while (size > 0) {
4347
        /* reassemble a packet from the network */
4348
        switch(s->state) {
4349
        case 0:
4350
            l = 4 - s->index;
4351
            if (l > size)
4352
                l = size;
4353
            memcpy(s->buf + s->index, buf, l);
4354
            buf += l;
4355
            size -= l;
4356
            s->index += l;
4357
            if (s->index == 4) {
4358
                /* got length */
4359
                s->packet_len = ntohl(*(uint32_t *)s->buf);
4360
                s->index = 0;
4361
                s->state = 1;
4362
            }
4363
            break;
4364
        case 1:
4365
            l = s->packet_len - s->index;
4366
            if (l > size)
4367
                l = size;
4368
            memcpy(s->buf + s->index, buf, l);
4369
            s->index += l;
4370
            buf += l;
4371
            size -= l;
4372
            if (s->index >= s->packet_len) {
4373
                qemu_send_packet(s->vc, s->buf, s->packet_len);
4374
                s->index = 0;
4375
                s->state = 0;
4376
            }
4377
            break;
4378
        }
4379
    }
4380
}
4381

    
4382
static void net_socket_send_dgram(void *opaque)
4383
{
4384
    NetSocketState *s = opaque;
4385
    int size;
4386

    
4387
    size = recv(s->fd, s->buf, sizeof(s->buf), 0);
4388
    if (size < 0)
4389
        return;
4390
    if (size == 0) {
4391
        /* end of connection */
4392
        qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
4393
        return;
4394
    }
4395
    qemu_send_packet(s->vc, s->buf, size);
4396
}
4397

    
4398
static int net_socket_mcast_create(struct sockaddr_in *mcastaddr)
4399
{
4400
    struct ip_mreq imr;
4401
    int fd;
4402
    int val, ret;
4403
    if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
4404
        fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
4405
                inet_ntoa(mcastaddr->sin_addr),
4406
                (int)ntohl(mcastaddr->sin_addr.s_addr));
4407
        return -1;
4408

    
4409
    }
4410
    fd = socket(PF_INET, SOCK_DGRAM, 0);
4411
    if (fd < 0) {
4412
        perror("socket(PF_INET, SOCK_DGRAM)");
4413
        return -1;
4414
    }
4415

    
4416
    val = 1;
4417
    ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
4418
                   (const char *)&val, sizeof(val));
4419
    if (ret < 0) {
4420
        perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
4421
        goto fail;
4422
    }
4423

    
4424
    ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
4425
    if (ret < 0) {
4426
        perror("bind");
4427
        goto fail;
4428
    }
4429

    
4430
    /* Add host to multicast group */
4431
    imr.imr_multiaddr = mcastaddr->sin_addr;
4432
    imr.imr_interface.s_addr = htonl(INADDR_ANY);
4433

    
4434
    ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
4435
                     (const char *)&imr, sizeof(struct ip_mreq));
4436
    if (ret < 0) {
4437
        perror("setsockopt(IP_ADD_MEMBERSHIP)");
4438
        goto fail;
4439
    }
4440

    
4441
    /* Force mcast msgs to loopback (eg. several QEMUs in same host */
4442
    val = 1;
4443
    ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
4444
                   (const char *)&val, sizeof(val));
4445
    if (ret < 0) {
4446
        perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
4447
        goto fail;
4448
    }
4449

    
4450
    socket_set_nonblock(fd);
4451
    return fd;
4452
fail:
4453
    if (fd >= 0)
4454
        closesocket(fd);
4455
    return -1;
4456
}
4457

    
4458
static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd,
4459
                                          int is_connected)
4460
{
4461
    struct sockaddr_in saddr;
4462
    int newfd;
4463
    socklen_t saddr_len;
4464
    NetSocketState *s;
4465

    
4466
    /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
4467
     * Because this may be "shared" socket from a "master" process, datagrams would be recv()
4468
     * by ONLY ONE process: we must "clone" this dgram socket --jjo
4469
     */
4470

    
4471
    if (is_connected) {
4472
        if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
4473
            /* must be bound */
4474
            if (saddr.sin_addr.s_addr==0) {
4475
                fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
4476
                        fd);
4477
                return NULL;
4478
            }
4479
            /* clone dgram socket */
4480
            newfd = net_socket_mcast_create(&saddr);
4481
            if (newfd < 0) {
4482
                /* error already reported by net_socket_mcast_create() */
4483
                close(fd);
4484
                return NULL;
4485
            }
4486
            /* clone newfd to fd, close newfd */
4487
            dup2(newfd, fd);
4488
            close(newfd);
4489

    
4490
        } else {
4491
            fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
4492
                    fd, strerror(errno));
4493
            return NULL;
4494
        }
4495
    }
4496

    
4497
    s = qemu_mallocz(sizeof(NetSocketState));
4498
    if (!s)
4499
        return NULL;
4500
    s->fd = fd;
4501

    
4502
    s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
4503
    qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
4504

    
4505
    /* mcast: save bound address as dst */
4506
    if (is_connected) s->dgram_dst=saddr;
4507

    
4508
    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4509
            "socket: fd=%d (%s mcast=%s:%d)",
4510
            fd, is_connected? "cloned" : "",
4511
            inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4512
    return s;
4513
}
4514

    
4515
static void net_socket_connect(void *opaque)
4516
{
4517
    NetSocketState *s = opaque;
4518
    qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
4519
}
4520

    
4521
static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd,
4522
                                          int is_connected)
4523
{
4524
    NetSocketState *s;
4525
    s = qemu_mallocz(sizeof(NetSocketState));
4526
    if (!s)
4527
        return NULL;
4528
    s->fd = fd;
4529
    s->vc = qemu_new_vlan_client(vlan,
4530
                                 net_socket_receive, NULL, s);
4531
    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4532
             "socket: fd=%d", fd);
4533
    if (is_connected) {
4534
        net_socket_connect(s);
4535
    } else {
4536
        qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
4537
    }
4538
    return s;
4539
}
4540

    
4541
static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
4542
                                          int is_connected)
4543
{
4544
    int so_type=-1, optlen=sizeof(so_type);
4545

    
4546
    if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type,
4547
        (socklen_t *)&optlen)< 0) {
4548
        fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd);
4549
        return NULL;
4550
    }
4551
    switch(so_type) {
4552
    case SOCK_DGRAM:
4553
        return net_socket_fd_init_dgram(vlan, fd, is_connected);
4554
    case SOCK_STREAM:
4555
        return net_socket_fd_init_stream(vlan, fd, is_connected);
4556
    default:
4557
        /* who knows ... this could be a eg. a pty, do warn and continue as stream */
4558
        fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
4559
        return net_socket_fd_init_stream(vlan, fd, is_connected);
4560
    }
4561
    return NULL;
4562
}
4563

    
4564
static void net_socket_accept(void *opaque)
4565
{
4566
    NetSocketListenState *s = opaque;
4567
    NetSocketState *s1;
4568
    struct sockaddr_in saddr;
4569
    socklen_t len;
4570
    int fd;
4571

    
4572
    for(;;) {
4573
        len = sizeof(saddr);
4574
        fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
4575
        if (fd < 0 && errno != EINTR) {
4576
            return;
4577
        } else if (fd >= 0) {
4578
            break;
4579
        }
4580
    }
4581
    s1 = net_socket_fd_init(s->vlan, fd, 1);
4582
    if (!s1) {
4583
        closesocket(fd);
4584
    } else {
4585
        snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
4586
                 "socket: connection from %s:%d",
4587
                 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4588
    }
4589
}
4590

    
4591
static int net_socket_listen_init(VLANState *vlan, const char *host_str)
4592
{
4593
    NetSocketListenState *s;
4594
    int fd, val, ret;
4595
    struct sockaddr_in saddr;
4596

    
4597
    if (parse_host_port(&saddr, host_str) < 0)
4598
        return -1;
4599

    
4600
    s = qemu_mallocz(sizeof(NetSocketListenState));
4601
    if (!s)
4602
        return -1;
4603

    
4604
    fd = socket(PF_INET, SOCK_STREAM, 0);
4605
    if (fd < 0) {
4606
        perror("socket");
4607
        return -1;
4608
    }
4609
    socket_set_nonblock(fd);
4610

    
4611
    /* allow fast reuse */
4612
    val = 1;
4613
    setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
4614

    
4615
    ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
4616
    if (ret < 0) {
4617
        perror("bind");
4618
        return -1;
4619
    }
4620
    ret = listen(fd, 0);
4621
    if (ret < 0) {
4622
        perror("listen");
4623
        return -1;
4624
    }
4625
    s->vlan = vlan;
4626
    s->fd = fd;
4627
    qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
4628
    return 0;
4629
}
4630

    
4631
static int net_socket_connect_init(VLANState *vlan, const char *host_str)
4632
{
4633
    NetSocketState *s;
4634
    int fd, connected, ret, err;
4635
    struct sockaddr_in saddr;
4636

    
4637
    if (parse_host_port(&saddr, host_str) < 0)
4638
        return -1;
4639

    
4640
    fd = socket(PF_INET, SOCK_STREAM, 0);
4641
    if (fd < 0) {
4642
        perror("socket");
4643
        return -1;
4644
    }
4645
    socket_set_nonblock(fd);
4646

    
4647
    connected = 0;
4648
    for(;;) {
4649
        ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
4650
        if (ret < 0) {
4651
            err = socket_error();
4652
            if (err == EINTR || err == EWOULDBLOCK) {
4653
            } else if (err == EINPROGRESS) {
4654
                break;
4655
#ifdef _WIN32
4656
            } else if (err == WSAEALREADY) {
4657
                break;
4658
#endif
4659
            } else {
4660
                perror("connect");
4661
                closesocket(fd);
4662
                return -1;
4663
            }
4664
        } else {
4665
            connected = 1;
4666
            break;
4667
        }
4668
    }
4669
    s = net_socket_fd_init(vlan, fd, connected);
4670
    if (!s)
4671
        return -1;
4672
    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4673
             "socket: connect to %s:%d",
4674
             inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4675
    return 0;
4676
}
4677

    
4678
static int net_socket_mcast_init(VLANState *vlan, const char *host_str)
4679
{
4680
    NetSocketState *s;
4681
    int fd;
4682
    struct sockaddr_in saddr;
4683

    
4684
    if (parse_host_port(&saddr, host_str) < 0)
4685
        return -1;
4686

    
4687

    
4688
    fd = net_socket_mcast_create(&saddr);
4689
    if (fd < 0)
4690
        return -1;
4691

    
4692
    s = net_socket_fd_init(vlan, fd, 0);
4693
    if (!s)
4694
        return -1;
4695

    
4696
    s->dgram_dst = saddr;
4697

    
4698
    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4699
             "socket: mcast=%s:%d",
4700
             inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4701
    return 0;
4702

    
4703
}
4704

    
4705
static const char *get_opt_name(char *buf, int buf_size, const char *p)
4706
{
4707
    char *q;
4708

    
4709
    q = buf;
4710
    while (*p != '\0' && *p != '=') {
4711
        if (q && (q - buf) < buf_size - 1)
4712
            *q++ = *p;
4713
        p++;
4714
    }
4715
    if (q)
4716
        *q = '\0';
4717

    
4718
    return p;
4719
}
4720

    
4721
static const char *get_opt_value(char *buf, int buf_size, const char *p)
4722
{
4723
    char *q;
4724

    
4725
    q = buf;
4726
    while (*p != '\0') {
4727
        if (*p == ',') {
4728
            if (*(p + 1) != ',')
4729
                break;
4730
            p++;
4731
        }
4732
        if (q && (q - buf) < buf_size - 1)
4733
            *q++ = *p;
4734
        p++;
4735
    }
4736
    if (q)
4737
        *q = '\0';
4738

    
4739
    return p;
4740
}
4741

    
4742
static int get_param_value(char *buf, int buf_size,
4743
                           const char *tag, const char *str)
4744
{
4745
    const char *p;
4746
    char option[128];
4747

    
4748
    p = str;
4749
    for(;;) {
4750
        p = get_opt_name(option, sizeof(option), p);
4751
        if (*p != '=')
4752
            break;
4753
        p++;
4754
        if (!strcmp(tag, option)) {
4755
            (void)get_opt_value(buf, buf_size, p);
4756
            return strlen(buf);
4757
        } else {
4758
            p = get_opt_value(NULL, 0, p);
4759
        }
4760
        if (*p != ',')
4761
            break;
4762
        p++;
4763
    }
4764
    return 0;
4765
}
4766

    
4767
static int check_params(char *buf, int buf_size,
4768
                        char **params, const char *str)
4769
{
4770
    const char *p;
4771
    int i;
4772

    
4773
    p = str;
4774
    for(;;) {
4775
        p = get_opt_name(buf, buf_size, p);
4776
        if (*p != '=')
4777
            return -1;
4778
        p++;
4779
        for(i = 0; params[i] != NULL; i++)
4780
            if (!strcmp(params[i], buf))
4781
                break;
4782
        if (params[i] == NULL)
4783
            return -1;
4784
        p = get_opt_value(NULL, 0, p);
4785
        if (*p != ',')
4786
            break;
4787
        p++;
4788
    }
4789
    return 0;
4790
}
4791

    
4792

    
4793
static int net_client_init(const char *str)
4794
{
4795
    const char *p;
4796
    char *q;
4797
    char device[64];
4798
    char buf[1024];
4799
    int vlan_id, ret;
4800
    VLANState *vlan;
4801

    
4802
    p = str;
4803
    q = device;
4804
    while (*p != '\0' && *p != ',') {
4805
        if ((q - device) < sizeof(device) - 1)
4806
            *q++ = *p;
4807
        p++;
4808
    }
4809
    *q = '\0';
4810
    if (*p == ',')
4811
        p++;
4812
    vlan_id = 0;
4813
    if (get_param_value(buf, sizeof(buf), "vlan", p)) {
4814
        vlan_id = strtol(buf, NULL, 0);
4815
    }
4816
    vlan = qemu_find_vlan(vlan_id);
4817
    if (!vlan) {
4818
        fprintf(stderr, "Could not create vlan %d\n", vlan_id);
4819
        return -1;
4820
    }
4821
    if (!strcmp(device, "nic")) {
4822
        NICInfo *nd;
4823
        uint8_t *macaddr;
4824

    
4825
        if (nb_nics >= MAX_NICS) {
4826
            fprintf(stderr, "Too Many NICs\n");
4827
            return -1;
4828
        }
4829
        nd = &nd_table[nb_nics];
4830
        macaddr = nd->macaddr;
4831
        macaddr[0] = 0x52;
4832
        macaddr[1] = 0x54;
4833
        macaddr[2] = 0x00;
4834
        macaddr[3] = 0x12;
4835
        macaddr[4] = 0x34;
4836
        macaddr[5] = 0x56 + nb_nics;
4837

    
4838
        if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
4839
            if (parse_macaddr(macaddr, buf) < 0) {
4840
                fprintf(stderr, "invalid syntax for ethernet address\n");
4841
                return -1;
4842
            }
4843
        }
4844
        if (get_param_value(buf, sizeof(buf), "model", p)) {
4845
            nd->model = strdup(buf);
4846
        }
4847
        nd->vlan = vlan;
4848
        nb_nics++;
4849
        vlan->nb_guest_devs++;
4850
        ret = 0;
4851
    } else
4852
    if (!strcmp(device, "none")) {
4853
        /* does nothing. It is needed to signal that no network cards
4854
           are wanted */
4855
        ret = 0;
4856
    } else
4857
#ifdef CONFIG_SLIRP
4858
    if (!strcmp(device, "user")) {
4859
        if (get_param_value(buf, sizeof(buf), "hostname", p)) {
4860
            pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
4861
        }
4862
        vlan->nb_host_devs++;
4863
        ret = net_slirp_init(vlan);
4864
    } else
4865
#endif
4866
#ifdef _WIN32
4867
    if (!strcmp(device, "tap")) {
4868
        char ifname[64];
4869
        if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
4870
            fprintf(stderr, "tap: no interface name\n");
4871
            return -1;
4872
        }
4873
        vlan->nb_host_devs++;
4874
        ret = tap_win32_init(vlan, ifname);
4875
    } else
4876
#else
4877
    if (!strcmp(device, "tap")) {
4878
        char ifname[64];
4879
        char setup_script[1024], down_script[1024];
4880
        int fd;
4881
        vlan->nb_host_devs++;
4882
        if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
4883
            fd = strtol(buf, NULL, 0);
4884
            fcntl(fd, F_SETFL, O_NONBLOCK);
4885
            ret = -1;
4886
            if (net_tap_fd_init(vlan, fd))
4887
                ret = 0;
4888
        } else {
4889
            if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
4890
                ifname[0] = '\0';
4891
            }
4892
            if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
4893
                pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
4894
            }
4895
            if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) {
4896
                pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT);
4897
            }
4898
            ret = net_tap_init(vlan, ifname, setup_script, down_script);
4899
        }
4900
    } else
4901
#endif
4902
    if (!strcmp(device, "socket")) {
4903
        if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
4904
            int fd;
4905
            fd = strtol(buf, NULL, 0);
4906
            ret = -1;
4907
            if (net_socket_fd_init(vlan, fd, 1))
4908
                ret = 0;
4909
        } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
4910
            ret = net_socket_listen_init(vlan, buf);
4911
        } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
4912
            ret = net_socket_connect_init(vlan, buf);
4913
        } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
4914
            ret = net_socket_mcast_init(vlan, buf);
4915
        } else {
4916
            fprintf(stderr, "Unknown socket options: %s\n", p);
4917
            return -1;
4918
        }
4919
        vlan->nb_host_devs++;
4920
    } else
4921
    {
4922
        fprintf(stderr, "Unknown network device: %s\n", device);
4923
        return -1;
4924
    }
4925
    if (ret < 0) {
4926
        fprintf(stderr, "Could not initialize device '%s'\n", device);
4927
    }
4928

    
4929
    return ret;
4930
}
4931

    
4932
void do_info_network(void)
4933
{
4934
    VLANState *vlan;
4935
    VLANClientState *vc;
4936

    
4937
    for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
4938
        term_printf("VLAN %d devices:\n", vlan->id);
4939
        for(vc = vlan->first_client; vc != NULL; vc = vc->next)
4940
            term_printf("  %s\n", vc->info_str);
4941
    }
4942
}
4943

    
4944
#define HD_ALIAS "index=%d,media=disk"
4945
#ifdef TARGET_PPC
4946
#define CDROM_ALIAS "index=1,media=cdrom"
4947
#else
4948
#define CDROM_ALIAS "index=2,media=cdrom"
4949
#endif
4950
#define FD_ALIAS "index=%d,if=floppy"
4951
#define PFLASH_ALIAS "if=pflash"
4952
#define MTD_ALIAS "if=mtd"
4953
#define SD_ALIAS "index=0,if=sd"
4954

    
4955
static int drive_add(const char *file, const char *fmt, ...)
4956
{
4957
    va_list ap;
4958

    
4959
    if (nb_drives_opt >= MAX_DRIVES) {
4960
        fprintf(stderr, "qemu: too many drives\n");
4961
        exit(1);
4962
    }
4963

    
4964
    drives_opt[nb_drives_opt].file = file;
4965
    va_start(ap, fmt);
4966
    vsnprintf(drives_opt[nb_drives_opt].opt,
4967
              sizeof(drives_opt[0].opt), fmt, ap);
4968
    va_end(ap);
4969

    
4970
    return nb_drives_opt++;
4971
}
4972

    
4973
int drive_get_index(BlockInterfaceType type, int bus, int unit)
4974
{
4975
    int index;
4976

    
4977
    /* seek interface, bus and unit */
4978

    
4979
    for (index = 0; index < nb_drives; index++)
4980
        if (drives_table[index].type == type &&
4981
            drives_table[index].bus == bus &&
4982
            drives_table[index].unit == unit)
4983
        return index;
4984

    
4985
    return -1;
4986
}
4987

    
4988
int drive_get_max_bus(BlockInterfaceType type)
4989
{
4990
    int max_bus;
4991
    int index;
4992

    
4993
    max_bus = -1;
4994
    for (index = 0; index < nb_drives; index++) {
4995
        if(drives_table[index].type == type &&
4996
           drives_table[index].bus > max_bus)
4997
            max_bus = drives_table[index].bus;
4998
    }
4999
    return max_bus;
5000
}
5001

    
5002
static void bdrv_format_print(void *opaque, const char *name)
5003
{
5004
    fprintf(stderr, " %s", name);
5005
}
5006

    
5007
static int drive_init(struct drive_opt *arg, int snapshot,
5008
                      QEMUMachine *machine)
5009
{
5010
    char buf[128];
5011
    char file[1024];
5012
    char devname[128];
5013
    const char *mediastr = "";
5014
    BlockInterfaceType type;
5015
    enum { MEDIA_DISK, MEDIA_CDROM } media;
5016
    int bus_id, unit_id;
5017
    int cyls, heads, secs, translation;
5018
    BlockDriverState *bdrv;
5019
    BlockDriver *drv = NULL;
5020
    int max_devs;
5021
    int index;
5022
    int cache;
5023
    int bdrv_flags;
5024
    char *str = arg->opt;
5025
    char *params[] = { "bus", "unit", "if", "index", "cyls", "heads",
5026
                       "secs", "trans", "media", "snapshot", "file",
5027
                       "cache", "format", NULL };
5028

    
5029
    if (check_params(buf, sizeof(buf), params, str) < 0) {
5030
         fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
5031
                         buf, str);
5032
         return -1;
5033
    }
5034

    
5035
    file[0] = 0;
5036
    cyls = heads = secs = 0;
5037
    bus_id = 0;
5038
    unit_id = -1;
5039
    translation = BIOS_ATA_TRANSLATION_AUTO;
5040
    index = -1;
5041
    cache = 1;
5042

    
5043
    if (!strcmp(machine->name, "realview") ||
5044
        !strcmp(machine->name, "SS-5") ||
5045
        !strcmp(machine->name, "SS-10") ||
5046
        !strcmp(machine->name, "SS-600MP") ||
5047
        !strcmp(machine->name, "versatilepb") ||
5048
        !strcmp(machine->name, "versatileab")) {
5049
        type = IF_SCSI;
5050
        max_devs = MAX_SCSI_DEVS;
5051
        strcpy(devname, "scsi");
5052
    } else {
5053
        type = IF_IDE;
5054
        max_devs = MAX_IDE_DEVS;
5055
        strcpy(devname, "ide");
5056
    }
5057
    media = MEDIA_DISK;
5058

    
5059
    /* extract parameters */
5060

    
5061
    if (get_param_value(buf, sizeof(buf), "bus", str)) {
5062
        bus_id = strtol(buf, NULL, 0);
5063
        if (bus_id < 0) {
5064
            fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
5065
            return -1;
5066
        }
5067
    }
5068

    
5069
    if (get_param_value(buf, sizeof(buf), "unit", str)) {
5070
        unit_id = strtol(buf, NULL, 0);
5071
        if (unit_id < 0) {
5072
            fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
5073
            return -1;
5074
        }
5075
    }
5076

    
5077
    if (get_param_value(buf, sizeof(buf), "if", str)) {
5078
        strncpy(devname, buf, sizeof(devname));
5079
        if (!strcmp(buf, "ide")) {
5080
            type = IF_IDE;
5081
            max_devs = MAX_IDE_DEVS;
5082
        } else if (!strcmp(buf, "scsi")) {
5083
            type = IF_SCSI;
5084
            max_devs = MAX_SCSI_DEVS;
5085
        } else if (!strcmp(buf, "floppy")) {
5086
            type = IF_FLOPPY;
5087
            max_devs = 0;
5088
        } else if (!strcmp(buf, "pflash")) {
5089
            type = IF_PFLASH;
5090
            max_devs = 0;
5091
        } else if (!strcmp(buf, "mtd")) {
5092
            type = IF_MTD;
5093
            max_devs = 0;
5094
        } else if (!strcmp(buf, "sd")) {
5095
            type = IF_SD;
5096
            max_devs = 0;
5097
        } else {
5098
            fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
5099
            return -1;
5100
        }
5101
    }
5102

    
5103
    if (get_param_value(buf, sizeof(buf), "index", str)) {
5104
        index = strtol(buf, NULL, 0);
5105
        if (index < 0) {
5106
            fprintf(stderr, "qemu: '%s' invalid index\n", str);
5107
            return -1;
5108
        }
5109
    }
5110

    
5111
    if (get_param_value(buf, sizeof(buf), "cyls", str)) {
5112
        cyls = strtol(buf, NULL, 0);
5113
    }
5114

    
5115
    if (get_param_value(buf, sizeof(buf), "heads", str)) {
5116
        heads = strtol(buf, NULL, 0);
5117
    }
5118

    
5119
    if (get_param_value(buf, sizeof(buf), "secs", str)) {
5120
        secs = strtol(buf, NULL, 0);
5121
    }
5122

    
5123
    if (cyls || heads || secs) {
5124
        if (cyls < 1 || cyls > 16383) {
5125
            fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
5126
            return -1;
5127
        }
5128
        if (heads < 1 || heads > 16) {
5129
            fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
5130
            return -1;
5131
        }
5132
        if (secs < 1 || secs > 63) {
5133
            fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
5134
            return -1;
5135
        }
5136
    }
5137

    
5138
    if (get_param_value(buf, sizeof(buf), "trans", str)) {
5139
        if (!cyls) {
5140
            fprintf(stderr,
5141
                    "qemu: '%s' trans must be used with cyls,heads and secs\n",
5142
                    str);
5143
            return -1;
5144
        }
5145
        if (!strcmp(buf, "none"))
5146
            translation = BIOS_ATA_TRANSLATION_NONE;
5147
        else if (!strcmp(buf, "lba"))
5148
            translation = BIOS_ATA_TRANSLATION_LBA;
5149
        else if (!strcmp(buf, "auto"))
5150
            translation = BIOS_ATA_TRANSLATION_AUTO;
5151
        else {
5152
            fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
5153
            return -1;
5154
        }
5155
    }
5156

    
5157
    if (get_param_value(buf, sizeof(buf), "media", str)) {
5158
        if (!strcmp(buf, "disk")) {
5159
            media = MEDIA_DISK;
5160
        } else if (!strcmp(buf, "cdrom")) {
5161
            if (cyls || secs || heads) {
5162
                fprintf(stderr,
5163
                        "qemu: '%s' invalid physical CHS format\n", str);
5164
                return -1;
5165
            }
5166
            media = MEDIA_CDROM;
5167
        } else {
5168
            fprintf(stderr, "qemu: '%s' invalid media\n", str);
5169
            return -1;
5170
        }
5171
    }
5172

    
5173
    if (get_param_value(buf, sizeof(buf), "snapshot", str)) {
5174
        if (!strcmp(buf, "on"))
5175
            snapshot = 1;
5176
        else if (!strcmp(buf, "off"))
5177
            snapshot = 0;
5178
        else {
5179
            fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
5180
            return -1;
5181
        }
5182
    }
5183

    
5184
    if (get_param_value(buf, sizeof(buf), "cache", str)) {
5185
        if (!strcmp(buf, "off"))
5186
            cache = 0;
5187
        else if (!strcmp(buf, "on"))
5188
            cache = 1;
5189
        else {
5190
           fprintf(stderr, "qemu: invalid cache option\n");
5191
           return -1;
5192
        }
5193
    }
5194

    
5195
    if (get_param_value(buf, sizeof(buf), "format", str)) {
5196
       if (strcmp(buf, "?") == 0) {
5197
            fprintf(stderr, "qemu: Supported formats:");
5198
            bdrv_iterate_format(bdrv_format_print, NULL);
5199
            fprintf(stderr, "\n");
5200
            return -1;
5201
        }
5202
        drv = bdrv_find_format(buf);
5203
        if (!drv) {
5204
            fprintf(stderr, "qemu: '%s' invalid format\n", buf);
5205
            return -1;
5206
        }
5207
    }
5208

    
5209
    if (arg->file == NULL)
5210
        get_param_value(file, sizeof(file), "file", str);
5211
    else
5212
        pstrcpy(file, sizeof(file), arg->file);
5213

    
5214
    /* compute bus and unit according index */
5215

    
5216
    if (index != -1) {
5217
        if (bus_id != 0 || unit_id != -1) {
5218
            fprintf(stderr,
5219
                    "qemu: '%s' index cannot be used with bus and unit\n", str);
5220
            return -1;
5221
        }
5222
        if (max_devs == 0)
5223
        {
5224
            unit_id = index;
5225
            bus_id = 0;
5226
        } else {
5227
            unit_id = index % max_devs;
5228
            bus_id = index / max_devs;
5229
        }
5230
    }
5231

    
5232
    /* if user doesn't specify a unit_id,
5233
     * try to find the first free
5234
     */
5235

    
5236
    if (unit_id == -1) {
5237
       unit_id = 0;
5238
       while (drive_get_index(type, bus_id, unit_id) != -1) {
5239
           unit_id++;
5240
           if (max_devs && unit_id >= max_devs) {
5241
               unit_id -= max_devs;
5242
               bus_id++;
5243
           }
5244
       }
5245
    }
5246

    
5247
    /* check unit id */
5248

    
5249
    if (max_devs && unit_id >= max_devs) {
5250
        fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
5251
                        str, unit_id, max_devs - 1);
5252
        return -1;
5253
    }
5254

    
5255
    /*
5256
     * ignore multiple definitions
5257
     */
5258

    
5259
    if (drive_get_index(type, bus_id, unit_id) != -1)
5260
        return 0;
5261

    
5262
    /* init */
5263

    
5264
    if (type == IF_IDE || type == IF_SCSI)
5265
        mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
5266
    if (max_devs)
5267
        snprintf(buf, sizeof(buf), "%s%i%s%i",
5268
                 devname, bus_id, mediastr, unit_id);
5269
    else
5270
        snprintf(buf, sizeof(buf), "%s%s%i",
5271
                 devname, mediastr, unit_id);
5272
    bdrv = bdrv_new(buf);
5273
    drives_table[nb_drives].bdrv = bdrv;
5274
    drives_table[nb_drives].type = type;
5275
    drives_table[nb_drives].bus = bus_id;
5276
    drives_table[nb_drives].unit = unit_id;
5277
    nb_drives++;
5278

    
5279
    switch(type) {
5280
    case IF_IDE:
5281
    case IF_SCSI:
5282
        switch(media) {
5283
        case MEDIA_DISK:
5284
            if (cyls != 0) {
5285
                bdrv_set_geometry_hint(bdrv, cyls, heads, secs);
5286
                bdrv_set_translation_hint(bdrv, translation);
5287
            }
5288
            break;
5289
        case MEDIA_CDROM:
5290
            bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
5291
            break;
5292
        }
5293
        break;
5294
    case IF_SD:
5295
        /* FIXME: This isn't really a floppy, but it's a reasonable
5296
           approximation.  */
5297
    case IF_FLOPPY:
5298
        bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY);
5299
        break;
5300
    case IF_PFLASH:
5301
    case IF_MTD:
5302
        break;
5303
    }
5304
    if (!file[0])
5305
        return 0;
5306
    bdrv_flags = 0;
5307
    if (snapshot)
5308
        bdrv_flags |= BDRV_O_SNAPSHOT;
5309
    if (!cache)
5310
        bdrv_flags |= BDRV_O_DIRECT;
5311
    if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) {
5312
        fprintf(stderr, "qemu: could not open disk image %s\n",
5313
                        file);
5314
        return -1;
5315
    }
5316
    return 0;
5317
}
5318

    
5319
/***********************************************************/
5320
/* USB devices */
5321

    
5322
static USBPort *used_usb_ports;
5323
static USBPort *free_usb_ports;
5324

    
5325
/* ??? Maybe change this to register a hub to keep track of the topology.  */
5326
void qemu_register_usb_port(USBPort *port, void *opaque, int index,
5327
                            usb_attachfn attach)
5328
{
5329
    port->opaque = opaque;
5330
    port->index = index;
5331
    port->attach = attach;
5332
    port->next = free_usb_ports;
5333
    free_usb_ports = port;
5334
}
5335

    
5336
static int usb_device_add(const char *devname)
5337
{
5338
    const char *p;
5339
    USBDevice *dev;
5340
    USBPort *port;
5341

    
5342
    if (!free_usb_ports)
5343
        return -1;
5344

    
5345
    if (strstart(devname, "host:", &p)) {
5346
        dev = usb_host_device_open(p);
5347
    } else if (!strcmp(devname, "mouse")) {
5348
        dev = usb_mouse_init();
5349
    } else if (!strcmp(devname, "tablet")) {
5350
        dev = usb_tablet_init();
5351
    } else if (!strcmp(devname, "keyboard")) {
5352
        dev = usb_keyboard_init();
5353
    } else if (strstart(devname, "disk:", &p)) {
5354
        dev = usb_msd_init(p);
5355
    } else if (!strcmp(devname, "wacom-tablet")) {
5356
        dev = usb_wacom_init();
5357
    } else if (strstart(devname, "serial:", &p)) {
5358
        dev = usb_serial_init(p);
5359
#ifdef CONFIG_BRLAPI
5360
    } else if (!strcmp(devname, "braille")) {
5361
        dev = usb_baum_init();
5362
#endif
5363
    } else {
5364
        return -1;
5365
    }
5366
    if (!dev)
5367
        return -1;
5368

    
5369
    /* Find a USB port to add the device to.  */
5370
    port = free_usb_ports;
5371
    if (!port->next) {
5372
        USBDevice *hub;
5373

    
5374
        /* Create a new hub and chain it on.  */
5375
        free_usb_ports = NULL;
5376
        port->next = used_usb_ports;
5377
        used_usb_ports = port;
5378

    
5379
        hub = usb_hub_init(VM_USB_HUB_SIZE);
5380
        usb_attach(port, hub);
5381
        port = free_usb_ports;
5382
    }
5383

    
5384
    free_usb_ports = port->next;
5385
    port->next = used_usb_ports;
5386
    used_usb_ports = port;
5387
    usb_attach(port, dev);
5388
    return 0;
5389
}
5390

    
5391
static int usb_device_del(const char *devname)
5392
{
5393
    USBPort *port;
5394
    USBPort **lastp;
5395
    USBDevice *dev;
5396
    int bus_num, addr;
5397
    const char *p;
5398

    
5399
    if (!used_usb_ports)
5400
        return -1;
5401

    
5402
    p = strchr(devname, '.');
5403
    if (!p)
5404
        return -1;
5405
    bus_num = strtoul(devname, NULL, 0);
5406
    addr = strtoul(p + 1, NULL, 0);
5407
    if (bus_num != 0)
5408
        return -1;
5409

    
5410
    lastp = &used_usb_ports;
5411
    port = used_usb_ports;
5412
    while (port && port->dev->addr != addr) {
5413
        lastp = &port->next;
5414
        port = port->next;
5415
    }
5416

    
5417
    if (!port)
5418
        return -1;
5419

    
5420
    dev = port->dev;
5421
    *lastp = port->next;
5422
    usb_attach(port, NULL);
5423
    dev->handle_destroy(dev);
5424
    port->next = free_usb_ports;
5425
    free_usb_ports = port;
5426
    return 0;
5427
}
5428

    
5429
void do_usb_add(const char *devname)
5430
{
5431
    int ret;
5432
    ret = usb_device_add(devname);
5433
    if (ret < 0)
5434
        term_printf("Could not add USB device '%s'\n", devname);
5435
}
5436

    
5437
void do_usb_del(const char *devname)
5438
{
5439
    int ret;
5440
    ret = usb_device_del(devname);
5441
    if (ret < 0)
5442
        term_printf("Could not remove USB device '%s'\n", devname);
5443
}
5444

    
5445
void usb_info(void)
5446
{
5447
    USBDevice *dev;
5448
    USBPort *port;
5449
    const char *speed_str;
5450

    
5451
    if (!usb_enabled) {
5452
        term_printf("USB support not enabled\n");
5453
        return;
5454
    }
5455

    
5456
    for (port = used_usb_ports; port; port = port->next) {
5457
        dev = port->dev;
5458
        if (!dev)
5459
            continue;
5460
        switch(dev->speed) {
5461
        case USB_SPEED_LOW:
5462
            speed_str = "1.5";
5463
            break;
5464
        case USB_SPEED_FULL:
5465
            speed_str = "12";
5466
            break;
5467
        case USB_SPEED_HIGH:
5468
            speed_str = "480";
5469
            break;
5470
        default:
5471
            speed_str = "?";
5472
            break;
5473
        }
5474
        term_printf("  Device %d.%d, Speed %s Mb/s, Product %s\n",
5475
                    0, dev->addr, speed_str, dev->devname);
5476
    }
5477
}
5478

    
5479
/***********************************************************/
5480
/* PCMCIA/Cardbus */
5481

    
5482
static struct pcmcia_socket_entry_s {
5483
    struct pcmcia_socket_s *socket;
5484
    struct pcmcia_socket_entry_s *next;
5485
} *pcmcia_sockets = 0;
5486

    
5487
void pcmcia_socket_register(struct pcmcia_socket_s *socket)
5488
{
5489
    struct pcmcia_socket_entry_s *entry;
5490

    
5491
    entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
5492
    entry->socket = socket;
5493
    entry->next = pcmcia_sockets;
5494
    pcmcia_sockets = entry;
5495
}
5496

    
5497
void pcmcia_socket_unregister(struct pcmcia_socket_s *socket)
5498
{
5499
    struct pcmcia_socket_entry_s *entry, **ptr;
5500

    
5501
    ptr = &pcmcia_sockets;
5502
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
5503
        if (entry->socket == socket) {
5504
            *ptr = entry->next;
5505
            qemu_free(entry);
5506
        }
5507
}
5508

    
5509
void pcmcia_info(void)
5510
{
5511
    struct pcmcia_socket_entry_s *iter;
5512
    if (!pcmcia_sockets)
5513
        term_printf("No PCMCIA sockets\n");
5514

    
5515
    for (iter = pcmcia_sockets; iter; iter = iter->next)
5516
        term_printf("%s: %s\n", iter->socket->slot_string,
5517
                    iter->socket->attached ? iter->socket->card_string :
5518
                    "Empty");
5519
}
5520

    
5521
/***********************************************************/
5522
/* dumb display */
5523

    
5524
static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
5525
{
5526
}
5527

    
5528
static void dumb_resize(DisplayState *ds, int w, int h)
5529
{
5530
}
5531

    
5532
static void dumb_refresh(DisplayState *ds)
5533
{
5534
#if defined(CONFIG_SDL)
5535
    vga_hw_update();
5536
#endif
5537
}
5538

    
5539
static void dumb_display_init(DisplayState *ds)
5540
{
5541
    ds->data = NULL;
5542
    ds->linesize = 0;
5543
    ds->depth = 0;
5544
    ds->dpy_update = dumb_update;
5545
    ds->dpy_resize = dumb_resize;
5546
    ds->dpy_refresh = dumb_refresh;
5547
}
5548

    
5549
/***********************************************************/
5550
/* I/O handling */
5551

    
5552
#define MAX_IO_HANDLERS 64
5553

    
5554
typedef struct IOHandlerRecord {
5555
    int fd;
5556
    IOCanRWHandler *fd_read_poll;
5557
    IOHandler *fd_read;
5558
    IOHandler *fd_write;
5559
    int deleted;
5560
    void *opaque;
5561
    /* temporary data */
5562
    struct pollfd *ufd;
5563
    struct IOHandlerRecord *next;
5564
} IOHandlerRecord;
5565

    
5566
static IOHandlerRecord *first_io_handler;
5567

    
5568
/* XXX: fd_read_poll should be suppressed, but an API change is
5569
   necessary in the character devices to suppress fd_can_read(). */
5570
int qemu_set_fd_handler2(int fd,
5571
                         IOCanRWHandler *fd_read_poll,
5572
                         IOHandler *fd_read,
5573
                         IOHandler *fd_write,
5574
                         void *opaque)
5575
{
5576
    IOHandlerRecord **pioh, *ioh;
5577

    
5578
    if (!fd_read && !fd_write) {
5579
        pioh = &first_io_handler;
5580
        for(;;) {
5581
            ioh = *pioh;
5582
            if (ioh == NULL)
5583
                break;
5584
            if (ioh->fd == fd) {
5585
                ioh->deleted = 1;
5586
                break;
5587
            }
5588
            pioh = &ioh->next;
5589
        }
5590
    } else {
5591
        for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
5592
            if (ioh->fd == fd)
5593
                goto found;
5594
        }
5595
        ioh = qemu_mallocz(sizeof(IOHandlerRecord));
5596
        if (!ioh)
5597
            return -1;
5598
        ioh->next = first_io_handler;
5599
        first_io_handler = ioh;
5600
    found:
5601
        ioh->fd = fd;
5602
        ioh->fd_read_poll = fd_read_poll;
5603
        ioh->fd_read = fd_read;
5604
        ioh->fd_write = fd_write;
5605
        ioh->opaque = opaque;
5606
        ioh->deleted = 0;
5607
    }
5608
    return 0;
5609
}
5610

    
5611
int qemu_set_fd_handler(int fd,
5612
                        IOHandler *fd_read,
5613
                        IOHandler *fd_write,
5614
                        void *opaque)
5615
{
5616
    return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
5617
}
5618

    
5619
/***********************************************************/
5620
/* Polling handling */
5621

    
5622
typedef struct PollingEntry {
5623
    PollingFunc *func;
5624
    void *opaque;
5625
    struct PollingEntry *next;
5626
} PollingEntry;
5627

    
5628
static PollingEntry *first_polling_entry;
5629

    
5630
int qemu_add_polling_cb(PollingFunc *func, void *opaque)
5631
{
5632
    PollingEntry **ppe, *pe;
5633
    pe = qemu_mallocz(sizeof(PollingEntry));
5634
    if (!pe)
5635
        return -1;
5636
    pe->func = func;
5637
    pe->opaque = opaque;
5638
    for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
5639
    *ppe = pe;
5640
    return 0;
5641
}
5642

    
5643
void qemu_del_polling_cb(PollingFunc *func, void *opaque)
5644
{
5645
    PollingEntry **ppe, *pe;
5646
    for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
5647
        pe = *ppe;
5648
        if (pe->func == func && pe->opaque == opaque) {
5649
            *ppe = pe->next;
5650
            qemu_free(pe);
5651
            break;
5652
        }
5653
    }
5654
}
5655

    
5656
#ifdef _WIN32
5657
/***********************************************************/
5658
/* Wait objects support */
5659
typedef struct WaitObjects {
5660
    int num;
5661
    HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
5662
    WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
5663
    void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
5664
} WaitObjects;
5665

    
5666
static WaitObjects wait_objects = {0};
5667

    
5668
int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
5669
{
5670
    WaitObjects *w = &wait_objects;
5671

    
5672
    if (w->num >= MAXIMUM_WAIT_OBJECTS)
5673
        return -1;
5674
    w->events[w->num] = handle;
5675
    w->func[w->num] = func;
5676
    w->opaque[w->num] = opaque;
5677
    w->num++;
5678
    return 0;
5679
}
5680

    
5681
void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
5682
{
5683
    int i, found;
5684
    WaitObjects *w = &wait_objects;
5685

    
5686
    found = 0;
5687
    for (i = 0; i < w->num; i++) {
5688
        if (w->events[i] == handle)
5689
            found = 1;
5690
        if (found) {
5691
            w->events[i] = w->events[i + 1];
5692
            w->func[i] = w->func[i + 1];
5693
            w->opaque[i] = w->opaque[i + 1];
5694
        }
5695
    }
5696
    if (found)
5697
        w->num--;
5698
}
5699
#endif
5700

    
5701
/***********************************************************/
5702
/* savevm/loadvm support */
5703

    
5704
#define IO_BUF_SIZE 32768
5705

    
5706
struct QEMUFile {
5707
    FILE *outfile;
5708
    BlockDriverState *bs;
5709
    int is_file;
5710
    int is_writable;
5711
    int64_t base_offset;
5712
    int64_t buf_offset; /* start of buffer when writing, end of buffer
5713
                           when reading */
5714
    int buf_index;
5715
    int buf_size; /* 0 when writing */
5716
    uint8_t buf[IO_BUF_SIZE];
5717
};
5718

    
5719
QEMUFile *qemu_fopen(const char *filename, const char *mode)
5720
{
5721
    QEMUFile *f;
5722

    
5723
    f = qemu_mallocz(sizeof(QEMUFile));
5724
    if (!f)
5725
        return NULL;
5726
    if (!strcmp(mode, "wb")) {
5727
        f->is_writable = 1;
5728
    } else if (!strcmp(mode, "rb")) {
5729
        f->is_writable = 0;
5730
    } else {
5731
        goto fail;
5732
    }
5733
    f->outfile = fopen(filename, mode);
5734
    if (!f->outfile)
5735
        goto fail;
5736
    f->is_file = 1;
5737
    return f;
5738
 fail:
5739
    if (f->outfile)
5740
        fclose(f->outfile);
5741
    qemu_free(f);
5742
    return NULL;
5743
}
5744

    
5745
static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
5746
{
5747
    QEMUFile *f;
5748

    
5749
    f = qemu_mallocz(sizeof(QEMUFile));
5750
    if (!f)
5751
        return NULL;
5752
    f->is_file = 0;
5753
    f->bs = bs;
5754
    f->is_writable = is_writable;
5755
    f->base_offset = offset;
5756
    return f;
5757
}
5758

    
5759
void qemu_fflush(QEMUFile *f)
5760
{
5761
    if (!f->is_writable)
5762
        return;
5763
    if (f->buf_index > 0) {
5764
        if (f->is_file) {
5765
            fseek(f->outfile, f->buf_offset, SEEK_SET);
5766
            fwrite(f->buf, 1, f->buf_index, f->outfile);
5767
        } else {
5768
            bdrv_pwrite(f->bs, f->base_offset + f->buf_offset,
5769
                        f->buf, f->buf_index);
5770
        }
5771
        f->buf_offset += f->buf_index;
5772
        f->buf_index = 0;
5773
    }
5774
}
5775

    
5776
static void qemu_fill_buffer(QEMUFile *f)
5777
{
5778
    int len;
5779

    
5780
    if (f->is_writable)
5781
        return;
5782
    if (f->is_file) {
5783
        fseek(f->outfile, f->buf_offset, SEEK_SET);
5784
        len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile);
5785
        if (len < 0)
5786
            len = 0;
5787
    } else {
5788
        len = bdrv_pread(f->bs, f->base_offset + f->buf_offset,
5789
                         f->buf, IO_BUF_SIZE);
5790
        if (len < 0)
5791
            len = 0;
5792
    }
5793
    f->buf_index = 0;
5794
    f->buf_size = len;
5795
    f->buf_offset += len;
5796
}
5797

    
5798
void qemu_fclose(QEMUFile *f)
5799
{
5800
    if (f->is_writable)
5801
        qemu_fflush(f);
5802
    if (f->is_file) {
5803
        fclose(f->outfile);
5804
    }
5805
    qemu_free(f);
5806
}
5807

    
5808
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
5809
{
5810
    int l;
5811
    while (size > 0) {
5812
        l = IO_BUF_SIZE - f->buf_index;
5813
        if (l > size)
5814
            l = size;
5815
        memcpy(f->buf + f->buf_index, buf, l);
5816
        f->buf_index += l;
5817
        buf += l;
5818
        size -= l;
5819
        if (f->buf_index >= IO_BUF_SIZE)
5820
            qemu_fflush(f);
5821
    }
5822
}
5823

    
5824
void qemu_put_byte(QEMUFile *f, int v)
5825
{
5826
    f->buf[f->buf_index++] = v;
5827
    if (f->buf_index >= IO_BUF_SIZE)
5828
        qemu_fflush(f);
5829
}
5830

    
5831
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
5832
{
5833
    int size, l;
5834

    
5835
    size = size1;
5836
    while (size > 0) {
5837
        l = f->buf_size - f->buf_index;
5838
        if (l == 0) {
5839
            qemu_fill_buffer(f);
5840
            l = f->buf_size - f->buf_index;
5841
            if (l == 0)
5842
                break;
5843
        }
5844
        if (l > size)
5845
            l = size;
5846
        memcpy(buf, f->buf + f->buf_index, l);
5847
        f->buf_index += l;
5848
        buf += l;
5849
        size -= l;
5850
    }
5851
    return size1 - size;
5852
}
5853

    
5854
int qemu_get_byte(QEMUFile *f)
5855
{
5856
    if (f->buf_index >= f->buf_size) {
5857
        qemu_fill_buffer(f);
5858
        if (f->buf_index >= f->buf_size)
5859
            return 0;
5860
    }
5861
    return f->buf[f->buf_index++];
5862
}
5863

    
5864
int64_t qemu_ftell(QEMUFile *f)
5865
{
5866
    return f->buf_offset - f->buf_size + f->buf_index;
5867
}
5868

    
5869
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
5870
{
5871
    if (whence == SEEK_SET) {
5872
        /* nothing to do */
5873
    } else if (whence == SEEK_CUR) {
5874
        pos += qemu_ftell(f);
5875
    } else {
5876
        /* SEEK_END not supported */
5877
        return -1;
5878
    }
5879
    if (f->is_writable) {
5880
        qemu_fflush(f);
5881
        f->buf_offset = pos;
5882
    } else {
5883
        f->buf_offset = pos;
5884
        f->buf_index = 0;
5885
        f->buf_size = 0;
5886
    }
5887
    return pos;
5888
}
5889

    
5890
void qemu_put_be16(QEMUFile *f, unsigned int v)
5891
{
5892
    qemu_put_byte(f, v >> 8);
5893
    qemu_put_byte(f, v);
5894
}
5895

    
5896
void qemu_put_be32(QEMUFile *f, unsigned int v)
5897
{
5898
    qemu_put_byte(f, v >> 24);
5899
    qemu_put_byte(f, v >> 16);
5900
    qemu_put_byte(f, v >> 8);
5901
    qemu_put_byte(f, v);
5902
}
5903

    
5904
void qemu_put_be64(QEMUFile *f, uint64_t v)
5905
{
5906
    qemu_put_be32(f, v >> 32);
5907
    qemu_put_be32(f, v);
5908
}
5909

    
5910
unsigned int qemu_get_be16(QEMUFile *f)
5911
{
5912
    unsigned int v;
5913
    v = qemu_get_byte(f) << 8;
5914
    v |= qemu_get_byte(f);
5915
    return v;
5916
}
5917

    
5918
unsigned int qemu_get_be32(QEMUFile *f)
5919
{
5920
    unsigned int v;
5921
    v = qemu_get_byte(f) << 24;
5922
    v |= qemu_get_byte(f) << 16;
5923
    v |= qemu_get_byte(f) << 8;
5924
    v |= qemu_get_byte(f);
5925
    return v;
5926
}
5927

    
5928
uint64_t qemu_get_be64(QEMUFile *f)
5929
{
5930
    uint64_t v;
5931
    v = (uint64_t)qemu_get_be32(f) << 32;
5932
    v |= qemu_get_be32(f);
5933
    return v;
5934
}
5935

    
5936
typedef struct SaveStateEntry {
5937
    char idstr[256];
5938
    int instance_id;
5939
    int version_id;
5940
    SaveStateHandler *save_state;
5941
    LoadStateHandler *load_state;
5942
    void *opaque;
5943
    struct SaveStateEntry *next;
5944
} SaveStateEntry;
5945

    
5946
static SaveStateEntry *first_se;
5947

    
5948
int register_savevm(const char *idstr,
5949
                    int instance_id,
5950
                    int version_id,
5951
                    SaveStateHandler *save_state,
5952
                    LoadStateHandler *load_state,
5953
                    void *opaque)
5954
{
5955
    SaveStateEntry *se, **pse;
5956

    
5957
    se = qemu_malloc(sizeof(SaveStateEntry));
5958
    if (!se)
5959
        return -1;
5960
    pstrcpy(se->idstr, sizeof(se->idstr), idstr);
5961
    se->instance_id = instance_id;
5962
    se->version_id = version_id;
5963
    se->save_state = save_state;
5964
    se->load_state = load_state;
5965
    se->opaque = opaque;
5966
    se->next = NULL;
5967

    
5968
    /* add at the end of list */
5969
    pse = &first_se;
5970
    while (*pse != NULL)
5971
        pse = &(*pse)->next;
5972
    *pse = se;
5973
    return 0;
5974
}
5975

    
5976
#define QEMU_VM_FILE_MAGIC   0x5145564d
5977
#define QEMU_VM_FILE_VERSION 0x00000002
5978

    
5979
static int qemu_savevm_state(QEMUFile *f)
5980
{
5981
    SaveStateEntry *se;
5982
    int len, ret;
5983
    int64_t cur_pos, len_pos, total_len_pos;
5984

    
5985
    qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
5986
    qemu_put_be32(f, QEMU_VM_FILE_VERSION);
5987
    total_len_pos = qemu_ftell(f);
5988
    qemu_put_be64(f, 0); /* total size */
5989

    
5990
    for(se = first_se; se != NULL; se = se->next) {
5991
        /* ID string */
5992
        len = strlen(se->idstr);
5993
        qemu_put_byte(f, len);
5994
        qemu_put_buffer(f, (uint8_t *)se->idstr, len);
5995

    
5996
        qemu_put_be32(f, se->instance_id);
5997
        qemu_put_be32(f, se->version_id);
5998

    
5999
        /* record size: filled later */
6000
        len_pos = qemu_ftell(f);
6001
        qemu_put_be32(f, 0);
6002
        se->save_state(f, se->opaque);
6003

    
6004
        /* fill record size */
6005
        cur_pos = qemu_ftell(f);
6006
        len = cur_pos - len_pos - 4;
6007
        qemu_fseek(f, len_pos, SEEK_SET);
6008
        qemu_put_be32(f, len);
6009
        qemu_fseek(f, cur_pos, SEEK_SET);
6010
    }
6011
    cur_pos = qemu_ftell(f);
6012
    qemu_fseek(f, total_len_pos, SEEK_SET);
6013
    qemu_put_be64(f, cur_pos - total_len_pos - 8);
6014
    qemu_fseek(f, cur_pos, SEEK_SET);
6015

    
6016
    ret = 0;
6017
    return ret;
6018
}
6019

    
6020
static SaveStateEntry *find_se(const char *idstr, int instance_id)
6021
{
6022
    SaveStateEntry *se;
6023

    
6024
    for(se = first_se; se != NULL; se = se->next) {
6025
        if (!strcmp(se->idstr, idstr) &&
6026
            instance_id == se->instance_id)
6027
            return se;
6028
    }
6029
    return NULL;
6030
}
6031

    
6032
static int qemu_loadvm_state(QEMUFile *f)
6033
{
6034
    SaveStateEntry *se;
6035
    int len, ret, instance_id, record_len, version_id;
6036
    int64_t total_len, end_pos, cur_pos;
6037
    unsigned int v;
6038
    char idstr[256];
6039

    
6040
    v = qemu_get_be32(f);
6041
    if (v != QEMU_VM_FILE_MAGIC)
6042
        goto fail;
6043
    v = qemu_get_be32(f);
6044
    if (v != QEMU_VM_FILE_VERSION) {
6045
    fail:
6046
        ret = -1;
6047
        goto the_end;
6048
    }
6049
    total_len = qemu_get_be64(f);
6050
    end_pos = total_len + qemu_ftell(f);
6051
    for(;;) {
6052
        if (qemu_ftell(f) >= end_pos)
6053
            break;
6054
        len = qemu_get_byte(f);
6055
        qemu_get_buffer(f, (uint8_t *)idstr, len);
6056
        idstr[len] = '\0';
6057
        instance_id = qemu_get_be32(f);
6058
        version_id = qemu_get_be32(f);
6059
        record_len = qemu_get_be32(f);
6060
#if 0
6061
        printf("idstr=%s instance=0x%x version=%d len=%d\n",
6062
               idstr, instance_id, version_id, record_len);
6063
#endif
6064
        cur_pos = qemu_ftell(f);
6065
        se = find_se(idstr, instance_id);
6066
        if (!se) {
6067
            fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
6068
                    instance_id, idstr);
6069
        } else {
6070
            ret = se->load_state(f, se->opaque, version_id);
6071
            if (ret < 0) {
6072
                fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
6073
                        instance_id, idstr);
6074
            }
6075
        }
6076
        /* always seek to exact end of record */
6077
        qemu_fseek(f, cur_pos + record_len, SEEK_SET);
6078
    }
6079
    ret = 0;
6080
 the_end:
6081
    return ret;
6082
}
6083

    
6084
/* device can contain snapshots */
6085
static int bdrv_can_snapshot(BlockDriverState *bs)
6086
{
6087
    return (bs &&
6088
            !bdrv_is_removable(bs) &&
6089
            !bdrv_is_read_only(bs));
6090
}
6091

    
6092
/* device must be snapshots in order to have a reliable snapshot */
6093
static int bdrv_has_snapshot(BlockDriverState *bs)
6094
{
6095
    return (bs &&
6096
            !bdrv_is_removable(bs) &&
6097
            !bdrv_is_read_only(bs));
6098
}
6099

    
6100
static BlockDriverState *get_bs_snapshots(void)
6101
{
6102
    BlockDriverState *bs;
6103
    int i;
6104

    
6105
    if (bs_snapshots)
6106
        return bs_snapshots;
6107
    for(i = 0; i <= nb_drives; i++) {
6108
        bs = drives_table[i].bdrv;
6109
        if (bdrv_can_snapshot(bs))
6110
            goto ok;
6111
    }
6112
    return NULL;
6113
 ok:
6114
    bs_snapshots = bs;
6115
    return bs;
6116
}
6117

    
6118
static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
6119
                              const char *name)
6120
{
6121
    QEMUSnapshotInfo *sn_tab, *sn;
6122
    int nb_sns, i, ret;
6123

    
6124
    ret = -ENOENT;
6125
    nb_sns = bdrv_snapshot_list(bs, &sn_tab);
6126
    if (nb_sns < 0)
6127
        return ret;
6128
    for(i = 0; i < nb_sns; i++) {
6129
        sn = &sn_tab[i];
6130
        if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
6131
            *sn_info = *sn;
6132
            ret = 0;
6133
            break;
6134
        }
6135
    }
6136
    qemu_free(sn_tab);
6137
    return ret;
6138
}
6139

    
6140
void do_savevm(const char *name)
6141
{
6142
    BlockDriverState *bs, *bs1;
6143
    QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
6144
    int must_delete, ret, i;
6145
    BlockDriverInfo bdi1, *bdi = &bdi1;
6146
    QEMUFile *f;
6147
    int saved_vm_running;
6148
#ifdef _WIN32
6149
    struct _timeb tb;
6150
#else
6151
    struct timeval tv;
6152
#endif
6153

    
6154
    bs = get_bs_snapshots();
6155
    if (!bs) {
6156
        term_printf("No block device can accept snapshots\n");
6157
        return;
6158
    }
6159

    
6160
    /* ??? Should this occur after vm_stop?  */
6161
    qemu_aio_flush();
6162

    
6163
    saved_vm_running = vm_running;
6164
    vm_stop(0);
6165

    
6166
    must_delete = 0;
6167
    if (name) {
6168
        ret = bdrv_snapshot_find(bs, old_sn, name);
6169
        if (ret >= 0) {
6170
            must_delete = 1;
6171
        }
6172
    }
6173
    memset(sn, 0, sizeof(*sn));
6174
    if (must_delete) {
6175
        pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
6176
        pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
6177
    } else {
6178
        if (name)
6179
            pstrcpy(sn->name, sizeof(sn->name), name);
6180
    }
6181

    
6182
    /* fill auxiliary fields */
6183
#ifdef _WIN32
6184
    _ftime(&tb);
6185
    sn->date_sec = tb.time;
6186
    sn->date_nsec = tb.millitm * 1000000;
6187
#else
6188
    gettimeofday(&tv, NULL);
6189
    sn->date_sec = tv.tv_sec;
6190
    sn->date_nsec = tv.tv_usec * 1000;
6191
#endif
6192
    sn->vm_clock_nsec = qemu_get_clock(vm_clock);
6193

    
6194
    if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
6195
        term_printf("Device %s does not support VM state snapshots\n",
6196
                    bdrv_get_device_name(bs));
6197
        goto the_end;
6198
    }
6199

    
6200
    /* save the VM state */
6201
    f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
6202
    if (!f) {
6203
        term_printf("Could not open VM state file\n");
6204
        goto the_end;
6205
    }
6206
    ret = qemu_savevm_state(f);
6207
    sn->vm_state_size = qemu_ftell(f);
6208
    qemu_fclose(f);
6209
    if (ret < 0) {
6210
        term_printf("Error %d while writing VM\n", ret);
6211
        goto the_end;
6212
    }
6213

    
6214
    /* create the snapshots */
6215

    
6216
    for(i = 0; i < nb_drives; i++) {
6217
        bs1 = drives_table[i].bdrv;
6218
        if (bdrv_has_snapshot(bs1)) {
6219
            if (must_delete) {
6220
                ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
6221
                if (ret < 0) {
6222
                    term_printf("Error while deleting snapshot on '%s'\n",
6223
                                bdrv_get_device_name(bs1));
6224
                }
6225
            }
6226
            ret = bdrv_snapshot_create(bs1, sn);
6227
            if (ret < 0) {
6228
                term_printf("Error while creating snapshot on '%s'\n",
6229
                            bdrv_get_device_name(bs1));
6230
            }
6231
        }
6232
    }
6233

    
6234
 the_end:
6235
    if (saved_vm_running)
6236
        vm_start();
6237
}
6238

    
6239
void do_loadvm(const char *name)
6240
{
6241
    BlockDriverState *bs, *bs1;
6242
    BlockDriverInfo bdi1, *bdi = &bdi1;
6243
    QEMUFile *f;
6244
    int i, ret;
6245
    int saved_vm_running;
6246

    
6247
    bs = get_bs_snapshots();
6248
    if (!bs) {
6249
        term_printf("No block device supports snapshots\n");
6250
        return;
6251
    }
6252

    
6253
    /* Flush all IO requests so they don't interfere with the new state.  */
6254
    qemu_aio_flush();
6255

    
6256
    saved_vm_running = vm_running;
6257
    vm_stop(0);
6258

    
6259
    for(i = 0; i <= nb_drives; i++) {
6260
        bs1 = drives_table[i].bdrv;
6261
        if (bdrv_has_snapshot(bs1)) {
6262
            ret = bdrv_snapshot_goto(bs1, name);
6263
            if (ret < 0) {
6264
                if (bs != bs1)
6265
                    term_printf("Warning: ");
6266
                switch(ret) {
6267
                case -ENOTSUP:
6268
                    term_printf("Snapshots not supported on device '%s'\n",
6269
                                bdrv_get_device_name(bs1));
6270
                    break;
6271
                case -ENOENT:
6272
                    term_printf("Could not find snapshot '%s' on device '%s'\n",
6273
                                name, bdrv_get_device_name(bs1));
6274
                    break;
6275
                default:
6276
                    term_printf("Error %d while activating snapshot on '%s'\n",
6277
                                ret, bdrv_get_device_name(bs1));
6278
                    break;
6279
                }
6280
                /* fatal on snapshot block device */
6281
                if (bs == bs1)
6282
                    goto the_end;
6283
            }
6284
        }
6285
    }
6286

    
6287
    if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
6288
        term_printf("Device %s does not support VM state snapshots\n",
6289
                    bdrv_get_device_name(bs));
6290
        return;
6291
    }
6292

    
6293
    /* restore the VM state */
6294
    f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
6295
    if (!f) {
6296
        term_printf("Could not open VM state file\n");
6297
        goto the_end;
6298
    }
6299
    ret = qemu_loadvm_state(f);
6300
    qemu_fclose(f);
6301
    if (ret < 0) {
6302
        term_printf("Error %d while loading VM state\n", ret);
6303
    }
6304
 the_end:
6305
    if (saved_vm_running)
6306
        vm_start();
6307
}
6308

    
6309
void do_delvm(const char *name)
6310
{
6311
    BlockDriverState *bs, *bs1;
6312
    int i, ret;
6313

    
6314
    bs = get_bs_snapshots();
6315
    if (!bs) {
6316
        term_printf("No block device supports snapshots\n");
6317
        return;
6318
    }
6319

    
6320
    for(i = 0; i <= nb_drives; i++) {
6321
        bs1 = drives_table[i].bdrv;
6322
        if (bdrv_has_snapshot(bs1)) {
6323
            ret = bdrv_snapshot_delete(bs1, name);
6324
            if (ret < 0) {
6325
                if (ret == -ENOTSUP)
6326
                    term_printf("Snapshots not supported on device '%s'\n",
6327
                                bdrv_get_device_name(bs1));
6328
                else
6329
                    term_printf("Error %d while deleting snapshot on '%s'\n",
6330
                                ret, bdrv_get_device_name(bs1));
6331
            }
6332
        }
6333
    }
6334
}
6335

    
6336
void do_info_snapshots(void)
6337
{
6338
    BlockDriverState *bs, *bs1;
6339
    QEMUSnapshotInfo *sn_tab, *sn;
6340
    int nb_sns, i;
6341
    char buf[256];
6342

    
6343
    bs = get_bs_snapshots();
6344
    if (!bs) {
6345
        term_printf("No available block device supports snapshots\n");
6346
        return;
6347
    }
6348
    term_printf("Snapshot devices:");
6349
    for(i = 0; i <= nb_drives; i++) {
6350
        bs1 = drives_table[i].bdrv;
6351
        if (bdrv_has_snapshot(bs1)) {
6352
            if (bs == bs1)
6353
                term_printf(" %s", bdrv_get_device_name(bs1));
6354
        }
6355
    }
6356
    term_printf("\n");
6357

    
6358
    nb_sns = bdrv_snapshot_list(bs, &sn_tab);
6359
    if (nb_sns < 0) {
6360
        term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
6361
        return;
6362
    }
6363
    term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
6364
    term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
6365
    for(i = 0; i < nb_sns; i++) {
6366
        sn = &sn_tab[i];
6367
        term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
6368
    }
6369
    qemu_free(sn_tab);
6370
}
6371

    
6372
/***********************************************************/
6373
/* ram save/restore */
6374

    
6375
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
6376
{
6377
    int v;
6378

    
6379
    v = qemu_get_byte(f);
6380
    switch(v) {
6381
    case 0:
6382
        if (qemu_get_buffer(f, buf, len) != len)
6383
            return -EIO;
6384
        break;
6385
    case 1:
6386
        v = qemu_get_byte(f);
6387
        memset(buf, v, len);
6388
        break;
6389
    default:
6390
        return -EINVAL;
6391
    }
6392
    return 0;
6393
}
6394

    
6395
static int ram_load_v1(QEMUFile *f, void *opaque)
6396
{
6397
    int ret;
6398
    ram_addr_t i;
6399

    
6400
    if (qemu_get_be32(f) != phys_ram_size)
6401
        return -EINVAL;
6402
    for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
6403
        ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
6404
        if (ret)
6405
            return ret;
6406
    }
6407
    return 0;
6408
}
6409

    
6410
#define BDRV_HASH_BLOCK_SIZE 1024
6411
#define IOBUF_SIZE 4096
6412
#define RAM_CBLOCK_MAGIC 0xfabe
6413

    
6414
typedef struct RamCompressState {
6415
    z_stream zstream;
6416
    QEMUFile *f;
6417
    uint8_t buf[IOBUF_SIZE];
6418
} RamCompressState;
6419

    
6420
static int ram_compress_open(RamCompressState *s, QEMUFile *f)
6421
{
6422
    int ret;
6423
    memset(s, 0, sizeof(*s));
6424
    s->f = f;
6425
    ret = deflateInit2(&s->zstream, 1,
6426
                       Z_DEFLATED, 15,
6427
                       9, Z_DEFAULT_STRATEGY);
6428
    if (ret != Z_OK)
6429
        return -1;
6430
    s->zstream.avail_out = IOBUF_SIZE;
6431
    s->zstream.next_out = s->buf;
6432
    return 0;
6433
}
6434

    
6435
static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len)
6436
{
6437
    qemu_put_be16(s->f, RAM_CBLOCK_MAGIC);
6438
    qemu_put_be16(s->f, len);
6439
    qemu_put_buffer(s->f, buf, len);
6440
}
6441

    
6442
static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len)
6443
{
6444
    int ret;
6445

    
6446
    s->zstream.avail_in = len;
6447
    s->zstream.next_in = (uint8_t *)buf;
6448
    while (s->zstream.avail_in > 0) {
6449
        ret = deflate(&s->zstream, Z_NO_FLUSH);
6450
        if (ret != Z_OK)
6451
            return -1;
6452
        if (s->zstream.avail_out == 0) {
6453
            ram_put_cblock(s, s->buf, IOBUF_SIZE);
6454
            s->zstream.avail_out = IOBUF_SIZE;
6455
            s->zstream.next_out = s->buf;
6456
        }
6457
    }
6458
    return 0;
6459
}
6460

    
6461
static void ram_compress_close(RamCompressState *s)
6462
{
6463
    int len, ret;
6464

    
6465
    /* compress last bytes */
6466
    for(;;) {
6467
        ret = deflate(&s->zstream, Z_FINISH);
6468
        if (ret == Z_OK || ret == Z_STREAM_END) {
6469
            len = IOBUF_SIZE - s->zstream.avail_out;
6470
            if (len > 0) {
6471
                ram_put_cblock(s, s->buf, len);
6472
            }
6473
            s->zstream.avail_out = IOBUF_SIZE;
6474
            s->zstream.next_out = s->buf;
6475
            if (ret == Z_STREAM_END)
6476
                break;
6477
        } else {
6478
            goto fail;
6479
        }
6480
    }
6481
fail:
6482
    deflateEnd(&s->zstream);
6483
}
6484

    
6485
typedef struct RamDecompressState {
6486
    z_stream zstream;
6487
    QEMUFile *f;
6488
    uint8_t buf[IOBUF_SIZE];
6489
} RamDecompressState;
6490

    
6491
static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
6492
{
6493
    int ret;
6494
    memset(s, 0, sizeof(*s));
6495
    s->f = f;
6496
    ret = inflateInit(&s->zstream);
6497
    if (ret != Z_OK)
6498
        return -1;
6499
    return 0;
6500
}
6501

    
6502
static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
6503
{
6504
    int ret, clen;
6505

    
6506
    s->zstream.avail_out = len;
6507
    s->zstream.next_out = buf;
6508
    while (s->zstream.avail_out > 0) {
6509
        if (s->zstream.avail_in == 0) {
6510
            if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
6511
                return -1;
6512
            clen = qemu_get_be16(s->f);
6513
            if (clen > IOBUF_SIZE)
6514
                return -1;
6515
            qemu_get_buffer(s->f, s->buf, clen);
6516
            s->zstream.avail_in = clen;
6517
            s->zstream.next_in = s->buf;
6518
        }
6519
        ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
6520
        if (ret != Z_OK && ret != Z_STREAM_END) {
6521
            return -1;
6522
        }
6523
    }
6524
    return 0;
6525
}
6526

    
6527
static void ram_decompress_close(RamDecompressState *s)
6528
{
6529
    inflateEnd(&s->zstream);
6530
}
6531

    
6532
static void ram_save(QEMUFile *f, void *opaque)
6533
{
6534
    ram_addr_t i;
6535
    RamCompressState s1, *s = &s1;
6536
    uint8_t buf[10];
6537

    
6538
    qemu_put_be32(f, phys_ram_size);
6539
    if (ram_compress_open(s, f) < 0)
6540
        return;
6541
    for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
6542
#if 0
6543
        if (tight_savevm_enabled) {
6544
            int64_t sector_num;
6545
            int j;
6546

6547
            /* find if the memory block is available on a virtual
6548
               block device */
6549
            sector_num = -1;
6550
            for(j = 0; j < nb_drives; j++) {
6551
                sector_num = bdrv_hash_find(drives_table[j].bdrv,
6552
                                            phys_ram_base + i,
6553
                                            BDRV_HASH_BLOCK_SIZE);
6554
                if (sector_num >= 0)
6555
                    break;
6556
            }
6557
            if (j == nb_drives)
6558
                goto normal_compress;
6559
            buf[0] = 1;
6560
            buf[1] = j;
6561
            cpu_to_be64wu((uint64_t *)(buf + 2), sector_num);
6562
            ram_compress_buf(s, buf, 10);
6563
        } else
6564
#endif
6565
        {
6566
            //        normal_compress:
6567
            buf[0] = 0;
6568
            ram_compress_buf(s, buf, 1);
6569
            ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
6570
        }
6571
    }
6572
    ram_compress_close(s);
6573
}
6574

    
6575
static int ram_load(QEMUFile *f, void *opaque, int version_id)
6576
{
6577
    RamDecompressState s1, *s = &s1;
6578
    uint8_t buf[10];
6579
    ram_addr_t i;
6580

    
6581
    if (version_id == 1)
6582
        return ram_load_v1(f, opaque);
6583
    if (version_id != 2)
6584
        return -EINVAL;
6585
    if (qemu_get_be32(f) != phys_ram_size)
6586
        return -EINVAL;
6587
    if (ram_decompress_open(s, f) < 0)
6588
        return -EINVAL;
6589
    for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
6590
        if (ram_decompress_buf(s, buf, 1) < 0) {
6591
            fprintf(stderr, "Error while reading ram block header\n");
6592
            goto error;
6593
        }
6594
        if (buf[0] == 0) {
6595
            if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
6596
                fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
6597
                goto error;
6598
            }
6599
        } else
6600
#if 0
6601
        if (buf[0] == 1) {
6602
            int bs_index;
6603
            int64_t sector_num;
6604

6605
            ram_decompress_buf(s, buf + 1, 9);
6606
            bs_index = buf[1];
6607
            sector_num = be64_to_cpupu((const uint64_t *)(buf + 2));
6608
            if (bs_index >= nb_drives) {
6609
                fprintf(stderr, "Invalid block device index %d\n", bs_index);
6610
                goto error;
6611
            }
6612
            if (bdrv_read(drives_table[bs_index].bdrv, sector_num,
6613
                          phys_ram_base + i,
6614
                          BDRV_HASH_BLOCK_SIZE / 512) < 0) {
6615
                fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n",
6616
                        bs_index, sector_num);
6617
                goto error;
6618
            }
6619
        } else
6620
#endif
6621
        {
6622
        error:
6623
            printf("Error block header\n");
6624
            return -EINVAL;
6625
        }
6626
    }
6627
    ram_decompress_close(s);
6628
    return 0;
6629
}
6630

    
6631
/***********************************************************/
6632
/* bottom halves (can be seen as timers which expire ASAP) */
6633

    
6634
struct QEMUBH {
6635
    QEMUBHFunc *cb;
6636
    void *opaque;
6637
    int scheduled;
6638
    QEMUBH *next;
6639
};
6640

    
6641
static QEMUBH *first_bh = NULL;
6642

    
6643
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
6644
{
6645
    QEMUBH *bh;
6646
    bh = qemu_mallocz(sizeof(QEMUBH));
6647
    if (!bh)
6648
        return NULL;
6649
    bh->cb = cb;
6650
    bh->opaque = opaque;
6651
    return bh;
6652
}
6653

    
6654
int qemu_bh_poll(void)
6655
{
6656
    QEMUBH *bh, **pbh;
6657
    int ret;
6658

    
6659
    ret = 0;
6660
    for(;;) {
6661
        pbh = &first_bh;
6662
        bh = *pbh;
6663
        if (!bh)
6664
            break;
6665
        ret = 1;
6666
        *pbh = bh->next;
6667
        bh->scheduled = 0;
6668
        bh->cb(bh->opaque);
6669
    }
6670
    return ret;
6671
}
6672

    
6673
void qemu_bh_schedule(QEMUBH *bh)
6674
{
6675
    CPUState *env = cpu_single_env;
6676
    if (bh->scheduled)
6677
        return;
6678
    bh->scheduled = 1;
6679
    bh->next = first_bh;
6680
    first_bh = bh;
6681

    
6682
    /* stop the currently executing CPU to execute the BH ASAP */
6683
    if (env) {
6684
        cpu_interrupt(env, CPU_INTERRUPT_EXIT);
6685
    }
6686
}
6687

    
6688
void qemu_bh_cancel(QEMUBH *bh)
6689
{
6690
    QEMUBH **pbh;
6691
    if (bh->scheduled) {
6692
        pbh = &first_bh;
6693
        while (*pbh != bh)
6694
            pbh = &(*pbh)->next;
6695
        *pbh = bh->next;
6696
        bh->scheduled = 0;
6697
    }
6698
}
6699

    
6700
void qemu_bh_delete(QEMUBH *bh)
6701
{
6702
    qemu_bh_cancel(bh);
6703
    qemu_free(bh);
6704
}
6705

    
6706
/***********************************************************/
6707
/* machine registration */
6708

    
6709
QEMUMachine *first_machine = NULL;
6710

    
6711
int qemu_register_machine(QEMUMachine *m)
6712
{
6713
    QEMUMachine **pm;
6714
    pm = &first_machine;
6715
    while (*pm != NULL)
6716
        pm = &(*pm)->next;
6717
    m->next = NULL;
6718
    *pm = m;
6719
    return 0;
6720
}
6721

    
6722
static QEMUMachine *find_machine(const char *name)
6723
{
6724
    QEMUMachine *m;
6725

    
6726
    for(m = first_machine; m != NULL; m = m->next) {
6727
        if (!strcmp(m->name, name))
6728
            return m;
6729
    }
6730
    return NULL;
6731
}
6732

    
6733
/***********************************************************/
6734
/* main execution loop */
6735

    
6736
static void gui_update(void *opaque)
6737
{
6738
    DisplayState *ds = opaque;
6739
    ds->dpy_refresh(ds);
6740
    qemu_mod_timer(ds->gui_timer,
6741
        (ds->gui_timer_interval ?
6742
            ds->gui_timer_interval :
6743
            GUI_REFRESH_INTERVAL)
6744
        + qemu_get_clock(rt_clock));
6745
}
6746

    
6747
struct vm_change_state_entry {
6748
    VMChangeStateHandler *cb;
6749
    void *opaque;
6750
    LIST_ENTRY (vm_change_state_entry) entries;
6751
};
6752

    
6753
static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
6754

    
6755
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
6756
                                                     void *opaque)
6757
{
6758
    VMChangeStateEntry *e;
6759

    
6760
    e = qemu_mallocz(sizeof (*e));
6761
    if (!e)
6762
        return NULL;
6763

    
6764
    e->cb = cb;
6765
    e->opaque = opaque;
6766
    LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
6767
    return e;
6768
}
6769

    
6770
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
6771
{
6772
    LIST_REMOVE (e, entries);
6773
    qemu_free (e);
6774
}
6775

    
6776
static void vm_state_notify(int running)
6777
{
6778
    VMChangeStateEntry *e;
6779

    
6780
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
6781
        e->cb(e->opaque, running);
6782
    }
6783
}
6784

    
6785
/* XXX: support several handlers */
6786
static VMStopHandler *vm_stop_cb;
6787
static void *vm_stop_opaque;
6788

    
6789
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
6790
{
6791
    vm_stop_cb = cb;
6792
    vm_stop_opaque = opaque;
6793
    return 0;
6794
}
6795

    
6796
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
6797
{
6798
    vm_stop_cb = NULL;
6799
}
6800

    
6801
void vm_start(void)
6802
{
6803
    if (!vm_running) {
6804
        cpu_enable_ticks();
6805
        vm_running = 1;
6806
        vm_state_notify(1);
6807
        qemu_rearm_alarm_timer(alarm_timer);
6808
    }
6809
}
6810

    
6811
void vm_stop(int reason)
6812
{
6813
    if (vm_running) {
6814
        cpu_disable_ticks();
6815
        vm_running = 0;
6816
        if (reason != 0) {
6817
            if (vm_stop_cb) {
6818
                vm_stop_cb(vm_stop_opaque, reason);
6819
            }
6820
        }
6821
        vm_state_notify(0);
6822
    }
6823
}
6824

    
6825
/* reset/shutdown handler */
6826

    
6827
typedef struct QEMUResetEntry {
6828
    QEMUResetHandler *func;
6829
    void *opaque;
6830
    struct QEMUResetEntry *next;
6831
} QEMUResetEntry;
6832

    
6833
static QEMUResetEntry *first_reset_entry;
6834
static int reset_requested;
6835
static int shutdown_requested;
6836
static int powerdown_requested;
6837

    
6838
int qemu_shutdown_requested(void)
6839
{
6840
    int r = shutdown_requested;
6841
    shutdown_requested = 0;
6842
    return r;
6843
}
6844

    
6845
int qemu_reset_requested(void)
6846
{
6847
    int r = reset_requested;
6848
    reset_requested = 0;
6849
    return r;
6850
}
6851

    
6852
int qemu_powerdown_requested(void)
6853
{
6854
    int r = powerdown_requested;
6855
    powerdown_requested = 0;
6856
    return r;
6857
}
6858

    
6859
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
6860
{
6861
    QEMUResetEntry **pre, *re;
6862

    
6863
    pre = &first_reset_entry;
6864
    while (*pre != NULL)
6865
        pre = &(*pre)->next;
6866
    re = qemu_mallocz(sizeof(QEMUResetEntry));
6867
    re->func = func;
6868
    re->opaque = opaque;
6869
    re->next = NULL;
6870
    *pre = re;
6871
}
6872

    
6873
void qemu_system_reset(void)
6874
{
6875
    QEMUResetEntry *re;
6876

    
6877
    /* reset all devices */
6878
    for(re = first_reset_entry; re != NULL; re = re->next) {
6879
        re->func(re->opaque);
6880
    }
6881
}
6882

    
6883
void qemu_system_reset_request(void)
6884
{
6885
    if (no_reboot) {
6886
        shutdown_requested = 1;
6887
    } else {
6888
        reset_requested = 1;
6889
    }
6890
    if (cpu_single_env)
6891
        cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
6892
}
6893

    
6894
void qemu_system_shutdown_request(void)
6895
{
6896
    shutdown_requested = 1;
6897
    if (cpu_single_env)
6898
        cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
6899
}
6900

    
6901
void qemu_system_powerdown_request(void)
6902
{
6903
    powerdown_requested = 1;
6904
    if (cpu_single_env)
6905
        cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
6906
}
6907

    
6908
/* boot_set handler */
6909
QEMUBootSetHandler *qemu_boot_set_handler = NULL;
6910

    
6911
void qemu_register_boot_set(QEMUBootSetHandler *func)
6912
{
6913
        qemu_boot_set_handler = func;
6914
}
6915

    
6916
void main_loop_wait(int timeout)
6917
{
6918
    IOHandlerRecord *ioh;
6919
    fd_set rfds, wfds, xfds;
6920
    int ret, nfds;
6921
#ifdef _WIN32
6922
    int ret2, i;
6923
#endif
6924
    struct timeval tv;
6925
    PollingEntry *pe;
6926

    
6927

    
6928
    /* XXX: need to suppress polling by better using win32 events */
6929
    ret = 0;
6930
    for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
6931
        ret |= pe->func(pe->opaque);
6932
    }
6933
#ifdef _WIN32
6934
    if (ret == 0) {
6935
        int err;
6936
        WaitObjects *w = &wait_objects;
6937

    
6938
        ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout);
6939
        if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
6940
            if (w->func[ret - WAIT_OBJECT_0])
6941
                w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
6942

    
6943
            /* Check for additional signaled events */
6944
            for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
6945

    
6946
                /* Check if event is signaled */
6947
                ret2 = WaitForSingleObject(w->events[i], 0);
6948
                if(ret2 == WAIT_OBJECT_0) {
6949
                    if (w->func[i])
6950
                        w->func[i](w->opaque[i]);
6951
                } else if (ret2 == WAIT_TIMEOUT) {
6952
                } else {
6953
                    err = GetLastError();
6954
                    fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
6955
                }
6956
            }
6957
        } else if (ret == WAIT_TIMEOUT) {
6958
        } else {
6959
            err = GetLastError();
6960
            fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
6961
        }
6962
    }
6963
#endif
6964
    /* poll any events */
6965
    /* XXX: separate device handlers from system ones */
6966
    nfds = -1;
6967
    FD_ZERO(&rfds);
6968
    FD_ZERO(&wfds);
6969
    FD_ZERO(&xfds);
6970
    for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
6971
        if (ioh->deleted)
6972
            continue;
6973
        if (ioh->fd_read &&
6974
            (!ioh->fd_read_poll ||
6975
             ioh->fd_read_poll(ioh->opaque) != 0)) {
6976
            FD_SET(ioh->fd, &rfds);
6977
            if (ioh->fd > nfds)
6978
                nfds = ioh->fd;
6979
        }
6980
        if (ioh->fd_write) {
6981
            FD_SET(ioh->fd, &wfds);
6982
            if (ioh->fd > nfds)
6983
                nfds = ioh->fd;
6984
        }
6985
    }
6986

    
6987
    tv.tv_sec = 0;
6988
#ifdef _WIN32
6989
    tv.tv_usec = 0;
6990
#else
6991
    tv.tv_usec = timeout * 1000;
6992
#endif
6993
#if defined(CONFIG_SLIRP)
6994
    if (slirp_inited) {
6995
        slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
6996
    }
6997
#endif
6998
    ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
6999
    if (ret > 0) {
7000
        IOHandlerRecord **pioh;
7001

    
7002
        for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
7003
            if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
7004
                ioh->fd_read(ioh->opaque);
7005
            }
7006
            if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
7007
                ioh->fd_write(ioh->opaque);
7008
            }
7009
        }
7010

    
7011
        /* remove deleted IO handlers */
7012
        pioh = &first_io_handler;
7013
        while (*pioh) {
7014
            ioh = *pioh;
7015
            if (ioh->deleted) {
7016
                *pioh = ioh->next;
7017
                qemu_free(ioh);
7018
            } else
7019
                pioh = &ioh->next;
7020
        }
7021
    }
7022
#if defined(CONFIG_SLIRP)
7023
    if (slirp_inited) {
7024
        if (ret < 0) {
7025
            FD_ZERO(&rfds);
7026
            FD_ZERO(&wfds);
7027
            FD_ZERO(&xfds);
7028
        }
7029
        slirp_select_poll(&rfds, &wfds, &xfds);
7030
    }
7031
#endif
7032
    qemu_aio_poll();
7033

    
7034
    if (vm_running) {
7035
        if (likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
7036
        qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
7037
                        qemu_get_clock(vm_clock));
7038
        /* run dma transfers, if any */
7039
        DMA_run();
7040
    }
7041

    
7042
    /* real time timers */
7043
    qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
7044
                    qemu_get_clock(rt_clock));
7045

    
7046
    if (alarm_timer->flags & ALARM_FLAG_EXPIRED) {
7047
        alarm_timer->flags &= ~(ALARM_FLAG_EXPIRED);
7048
        qemu_rearm_alarm_timer(alarm_timer);
7049
    }
7050

    
7051
    /* Check bottom-halves last in case any of the earlier events triggered
7052
       them.  */
7053
    qemu_bh_poll();
7054

    
7055
}
7056

    
7057
static int main_loop(void)
7058
{
7059
    int ret, timeout;
7060
#ifdef CONFIG_PROFILER
7061
    int64_t ti;
7062
#endif
7063
    CPUState *env;
7064

    
7065
    cur_cpu = first_cpu;
7066
    next_cpu = cur_cpu->next_cpu ?: first_cpu;
7067
    for(;;) {
7068
        if (vm_running) {
7069

    
7070
            for(;;) {
7071
                /* get next cpu */
7072
                env = next_cpu;
7073
#ifdef CONFIG_PROFILER
7074
                ti = profile_getclock();
7075
#endif
7076
                ret = cpu_exec(env);
7077
#ifdef CONFIG_PROFILER
7078
                qemu_time += profile_getclock() - ti;
7079
#endif
7080
                next_cpu = env->next_cpu ?: first_cpu;
7081
                if (event_pending && likely(ret != EXCP_DEBUG)) {
7082
                    ret = EXCP_INTERRUPT;
7083
                    event_pending = 0;
7084
                    break;
7085
                }
7086
                if (ret == EXCP_HLT) {
7087
                    /* Give the next CPU a chance to run.  */
7088
                    cur_cpu = env;
7089
                    continue;
7090
                }
7091
                if (ret != EXCP_HALTED)
7092
                    break;
7093
                /* all CPUs are halted ? */
7094
                if (env == cur_cpu)
7095
                    break;
7096
            }
7097
            cur_cpu = env;
7098

    
7099
            if (shutdown_requested) {
7100
                ret = EXCP_INTERRUPT;
7101
                if (no_shutdown) {
7102
                    vm_stop(0);
7103
                    no_shutdown = 0;
7104
                }
7105
                else
7106
                    break;
7107
            }
7108
            if (reset_requested) {
7109
                reset_requested = 0;
7110
                qemu_system_reset();
7111
                ret = EXCP_INTERRUPT;
7112
            }
7113
            if (powerdown_requested) {
7114
                powerdown_requested = 0;
7115
                qemu_system_powerdown();
7116
                ret = EXCP_INTERRUPT;
7117
            }
7118
            if (unlikely(ret == EXCP_DEBUG)) {
7119
                vm_stop(EXCP_DEBUG);
7120
            }
7121
            /* If all cpus are halted then wait until the next IRQ */
7122
            /* XXX: use timeout computed from timers */
7123
            if (ret == EXCP_HALTED)
7124
                timeout = 10;
7125
            else
7126
                timeout = 0;
7127
        } else {
7128
            timeout = 10;
7129
        }
7130
#ifdef CONFIG_PROFILER
7131
        ti = profile_getclock();
7132
#endif
7133
        main_loop_wait(timeout);
7134
#ifdef CONFIG_PROFILER
7135
        dev_time += profile_getclock() - ti;
7136
#endif
7137
    }
7138
    cpu_disable_ticks();
7139
    return ret;
7140
}
7141

    
7142
static void help(int exitcode)
7143
{
7144
    printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
7145
           "usage: %s [options] [disk_image]\n"
7146
           "\n"
7147
           "'disk_image' is a raw hard image image for IDE hard disk 0\n"
7148
           "\n"
7149
           "Standard options:\n"
7150
           "-M machine      select emulated machine (-M ? for list)\n"
7151
           "-cpu cpu        select CPU (-cpu ? for list)\n"
7152
           "-fda/-fdb file  use 'file' as floppy disk 0/1 image\n"
7153
           "-hda/-hdb file  use 'file' as IDE hard disk 0/1 image\n"
7154
           "-hdc/-hdd file  use 'file' as IDE hard disk 2/3 image\n"
7155
           "-cdrom file     use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
7156
           "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
7157
           "       [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
7158
           "       [,cache=on|off][,format=f]\n"
7159
           "                use 'file' as a drive image\n"
7160
           "-mtdblock file  use 'file' as on-board Flash memory image\n"
7161
           "-sd file        use 'file' as SecureDigital card image\n"
7162
           "-pflash file    use 'file' as a parallel flash image\n"
7163
           "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
7164
           "-snapshot       write to temporary files instead of disk image files\n"
7165
#ifdef CONFIG_SDL
7166
           "-no-frame       open SDL window without a frame and window decorations\n"
7167
           "-alt-grab       use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
7168
           "-no-quit        disable SDL window close capability\n"
7169
#endif
7170
#ifdef TARGET_I386
7171
           "-no-fd-bootchk  disable boot signature checking for floppy disks\n"
7172
#endif
7173
           "-m megs         set virtual RAM size to megs MB [default=%d]\n"
7174
           "-smp n          set the number of CPUs to 'n' [default=1]\n"
7175
           "-nographic      disable graphical output and redirect serial I/Os to console\n"
7176
           "-portrait       rotate graphical output 90 deg left (only PXA LCD)\n"
7177
#ifndef _WIN32
7178
           "-k language     use keyboard layout (for example \"fr\" for French)\n"
7179
#endif
7180
#ifdef HAS_AUDIO
7181
           "-audio-help     print list of audio drivers and their options\n"
7182
           "-soundhw c1,... enable audio support\n"
7183
           "                and only specified sound cards (comma separated list)\n"
7184
           "                use -soundhw ? to get the list of supported cards\n"
7185
           "                use -soundhw all to enable all of them\n"
7186
#endif
7187
           "-localtime      set the real time clock to local time [default=utc]\n"
7188
           "-full-screen    start in full screen\n"
7189
#ifdef TARGET_I386
7190
           "-win2k-hack     use it when installing Windows 2000 to avoid a disk full bug\n"
7191
#endif
7192
           "-usb            enable the USB driver (will be the default soon)\n"
7193
           "-usbdevice name add the host or guest USB device 'name'\n"
7194
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
7195
           "-g WxH[xDEPTH]  Set the initial graphical resolution and depth\n"
7196
#endif
7197
           "-name string    set the name of the guest\n"
7198
           "\n"
7199
           "Network options:\n"
7200
           "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
7201
           "                create a new Network Interface Card and connect it to VLAN 'n'\n"
7202
#ifdef CONFIG_SLIRP
7203
           "-net user[,vlan=n][,hostname=host]\n"
7204
           "                connect the user mode network stack to VLAN 'n' and send\n"
7205
           "                hostname 'host' to DHCP clients\n"
7206
#endif
7207
#ifdef _WIN32
7208
           "-net tap[,vlan=n],ifname=name\n"
7209
           "                connect the host TAP network interface to VLAN 'n'\n"
7210
#else
7211
           "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
7212
           "                connect the host TAP network interface to VLAN 'n' and use the\n"
7213
           "                network scripts 'file' (default=%s)\n"
7214
           "                and 'dfile' (default=%s);\n"
7215
           "                use '[down]script=no' to disable script execution;\n"
7216
           "                use 'fd=h' to connect to an already opened TAP interface\n"
7217
#endif
7218
           "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
7219
           "                connect the vlan 'n' to another VLAN using a socket connection\n"
7220
           "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
7221
           "                connect the vlan 'n' to multicast maddr and port\n"
7222
           "-net none       use it alone to have zero network devices; if no -net option\n"
7223
           "                is provided, the default is '-net nic -net user'\n"
7224
           "\n"
7225
#ifdef CONFIG_SLIRP
7226
           "-tftp dir       allow tftp access to files in dir [-net user]\n"
7227
           "-bootp file     advertise file in BOOTP replies\n"
7228
#ifndef _WIN32
7229
           "-smb dir        allow SMB access to files in 'dir' [-net user]\n"
7230
#endif
7231
           "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
7232
           "                redirect TCP or UDP connections from host to guest [-net user]\n"
7233
#endif
7234
           "\n"
7235
           "Linux boot specific:\n"
7236
           "-kernel bzImage use 'bzImage' as kernel image\n"
7237
           "-append cmdline use 'cmdline' as kernel command line\n"
7238
           "-initrd file    use 'file' as initial ram disk\n"
7239
           "\n"
7240
           "Debug/Expert options:\n"
7241
           "-monitor dev    redirect the monitor to char device 'dev'\n"
7242
           "-serial dev     redirect the serial port to char device 'dev'\n"
7243
           "-parallel dev   redirect the parallel port to char device 'dev'\n"
7244
           "-pidfile file   Write PID to 'file'\n"
7245
           "-S              freeze CPU at startup (use 'c' to start execution)\n"
7246
           "-s              wait gdb connection to port\n"
7247
           "-p port         set gdb connection port [default=%s]\n"
7248
           "-d item1,...    output log to %s (use -d ? for a list of log items)\n"
7249
           "-hdachs c,h,s[,t]  force hard disk 0 physical geometry and the optional BIOS\n"
7250
           "                translation (t=none or lba) (usually qemu can guess them)\n"
7251
           "-L path         set the directory for the BIOS, VGA BIOS and keymaps\n"
7252
#ifdef USE_KQEMU
7253
           "-kernel-kqemu   enable KQEMU full virtualization (default is user mode only)\n"
7254
           "-no-kqemu       disable KQEMU kernel module usage\n"
7255
#endif
7256
#ifdef TARGET_I386
7257
           "-std-vga        simulate a standard VGA card with VESA Bochs Extensions\n"
7258
           "                (default is CL-GD5446 PCI VGA)\n"
7259
           "-no-acpi        disable ACPI\n"
7260
#endif
7261
#ifdef CONFIG_CURSES
7262
           "-curses         use a curses/ncurses interface instead of SDL\n"
7263
#endif
7264
           "-no-reboot      exit instead of rebooting\n"
7265
           "-no-shutdown    stop before shutdown\n"
7266
           "-loadvm [tag|id]  start right away with a saved state (loadvm in monitor)\n"
7267
           "-vnc display    start a VNC server on display\n"
7268
#ifndef _WIN32
7269
           "-daemonize      daemonize QEMU after initializing\n"
7270
#endif
7271
           "-option-rom rom load a file, rom, into the option ROM space\n"
7272
#ifdef TARGET_SPARC
7273
           "-prom-env variable=value  set OpenBIOS nvram variables\n"
7274
#endif
7275
           "-clock          force the use of the given methods for timer alarm.\n"
7276
           "                To see what timers are available use -clock ?\n"
7277
           "-startdate      select initial date of the clock\n"
7278
           "\n"
7279
           "During emulation, the following keys are useful:\n"
7280
           "ctrl-alt-f      toggle full screen\n"
7281
           "ctrl-alt-n      switch to virtual console 'n'\n"
7282
           "ctrl-alt        toggle mouse and keyboard grab\n"
7283
           "\n"
7284
           "When using -nographic, press 'ctrl-a h' to get some help.\n"
7285
           ,
7286
           "qemu",
7287
           DEFAULT_RAM_SIZE,
7288
#ifndef _WIN32
7289
           DEFAULT_NETWORK_SCRIPT,
7290
           DEFAULT_NETWORK_DOWN_SCRIPT,
7291
#endif
7292
           DEFAULT_GDBSTUB_PORT,
7293
           "/tmp/qemu.log");
7294
    exit(exitcode);
7295
}
7296

    
7297
#define HAS_ARG 0x0001
7298

    
7299
enum {
7300
    QEMU_OPTION_h,
7301

    
7302
    QEMU_OPTION_M,
7303
    QEMU_OPTION_cpu,
7304
    QEMU_OPTION_fda,
7305
    QEMU_OPTION_fdb,
7306
    QEMU_OPTION_hda,
7307
    QEMU_OPTION_hdb,
7308
    QEMU_OPTION_hdc,
7309
    QEMU_OPTION_hdd,
7310
    QEMU_OPTION_drive,
7311
    QEMU_OPTION_cdrom,
7312
    QEMU_OPTION_mtdblock,
7313
    QEMU_OPTION_sd,
7314
    QEMU_OPTION_pflash,
7315
    QEMU_OPTION_boot,
7316
    QEMU_OPTION_snapshot,
7317
#ifdef TARGET_I386
7318
    QEMU_OPTION_no_fd_bootchk,
7319
#endif
7320
    QEMU_OPTION_m,
7321
    QEMU_OPTION_nographic,
7322
    QEMU_OPTION_portrait,
7323
#ifdef HAS_AUDIO
7324
    QEMU_OPTION_audio_help,
7325
    QEMU_OPTION_soundhw,
7326
#endif
7327

    
7328
    QEMU_OPTION_net,
7329
    QEMU_OPTION_tftp,
7330
    QEMU_OPTION_bootp,
7331
    QEMU_OPTION_smb,
7332
    QEMU_OPTION_redir,
7333

    
7334
    QEMU_OPTION_kernel,
7335
    QEMU_OPTION_append,
7336
    QEMU_OPTION_initrd,
7337

    
7338
    QEMU_OPTION_S,
7339
    QEMU_OPTION_s,
7340
    QEMU_OPTION_p,
7341
    QEMU_OPTION_d,
7342
    QEMU_OPTION_hdachs,
7343
    QEMU_OPTION_L,
7344
    QEMU_OPTION_bios,
7345
    QEMU_OPTION_k,
7346
    QEMU_OPTION_localtime,
7347
    QEMU_OPTION_cirrusvga,
7348
    QEMU_OPTION_vmsvga,
7349
    QEMU_OPTION_g,
7350
    QEMU_OPTION_std_vga,
7351
    QEMU_OPTION_echr,
7352
    QEMU_OPTION_monitor,
7353
    QEMU_OPTION_serial,
7354
    QEMU_OPTION_parallel,
7355
    QEMU_OPTION_loadvm,
7356
    QEMU_OPTION_full_screen,
7357
    QEMU_OPTION_no_frame,
7358
    QEMU_OPTION_alt_grab,
7359
    QEMU_OPTION_no_quit,
7360
    QEMU_OPTION_pidfile,
7361
    QEMU_OPTION_no_kqemu,
7362
    QEMU_OPTION_kernel_kqemu,
7363
    QEMU_OPTION_win2k_hack,
7364
    QEMU_OPTION_usb,
7365
    QEMU_OPTION_usbdevice,
7366
    QEMU_OPTION_smp,
7367
    QEMU_OPTION_vnc,
7368
    QEMU_OPTION_no_acpi,
7369
    QEMU_OPTION_curses,
7370
    QEMU_OPTION_no_reboot,
7371
    QEMU_OPTION_no_shutdown,
7372
    QEMU_OPTION_show_cursor,
7373
    QEMU_OPTION_daemonize,
7374
    QEMU_OPTION_option_rom,
7375
    QEMU_OPTION_semihosting,
7376
    QEMU_OPTION_name,
7377
    QEMU_OPTION_prom_env,
7378
    QEMU_OPTION_old_param,
7379
    QEMU_OPTION_clock,
7380
    QEMU_OPTION_startdate,
7381
};
7382

    
7383
typedef struct QEMUOption {
7384
    const char *name;
7385
    int flags;
7386
    int index;
7387
} QEMUOption;
7388

    
7389
const QEMUOption qemu_options[] = {
7390
    { "h", 0, QEMU_OPTION_h },
7391
    { "help", 0, QEMU_OPTION_h },
7392

    
7393
    { "M", HAS_ARG, QEMU_OPTION_M },
7394
    { "cpu", HAS_ARG, QEMU_OPTION_cpu },
7395
    { "fda", HAS_ARG, QEMU_OPTION_fda },
7396
    { "fdb", HAS_ARG, QEMU_OPTION_fdb },
7397
    { "hda", HAS_ARG, QEMU_OPTION_hda },
7398
    { "hdb", HAS_ARG, QEMU_OPTION_hdb },
7399
    { "hdc", HAS_ARG, QEMU_OPTION_hdc },
7400
    { "hdd", HAS_ARG, QEMU_OPTION_hdd },
7401
    { "drive", HAS_ARG, QEMU_OPTION_drive },
7402
    { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
7403
    { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
7404
    { "sd", HAS_ARG, QEMU_OPTION_sd },
7405
    { "pflash", HAS_ARG, QEMU_OPTION_pflash },
7406
    { "boot", HAS_ARG, QEMU_OPTION_boot },
7407
    { "snapshot", 0, QEMU_OPTION_snapshot },
7408
#ifdef TARGET_I386
7409
    { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
7410
#endif
7411
    { "m", HAS_ARG, QEMU_OPTION_m },
7412
    { "nographic", 0, QEMU_OPTION_nographic },
7413
    { "portrait", 0, QEMU_OPTION_portrait },
7414
    { "k", HAS_ARG, QEMU_OPTION_k },
7415
#ifdef HAS_AUDIO
7416
    { "audio-help", 0, QEMU_OPTION_audio_help },
7417
    { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
7418
#endif
7419

    
7420
    { "net", HAS_ARG, QEMU_OPTION_net},
7421
#ifdef CONFIG_SLIRP
7422
    { "tftp", HAS_ARG, QEMU_OPTION_tftp },
7423
    { "bootp", HAS_ARG, QEMU_OPTION_bootp },
7424
#ifndef _WIN32
7425
    { "smb", HAS_ARG, QEMU_OPTION_smb },
7426
#endif
7427
    { "redir", HAS_ARG, QEMU_OPTION_redir },
7428
#endif
7429

    
7430
    { "kernel", HAS_ARG, QEMU_OPTION_kernel },
7431
    { "append", HAS_ARG, QEMU_OPTION_append },
7432
    { "initrd", HAS_ARG, QEMU_OPTION_initrd },
7433

    
7434
    { "S", 0, QEMU_OPTION_S },
7435
    { "s", 0, QEMU_OPTION_s },
7436
    { "p", HAS_ARG, QEMU_OPTION_p },
7437
    { "d", HAS_ARG, QEMU_OPTION_d },
7438
    { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
7439
    { "L", HAS_ARG, QEMU_OPTION_L },
7440
    { "bios", HAS_ARG, QEMU_OPTION_bios },
7441
#ifdef USE_KQEMU
7442
    { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
7443
    { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
7444
#endif
7445
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
7446
    { "g", 1, QEMU_OPTION_g },
7447
#endif
7448
    { "localtime", 0, QEMU_OPTION_localtime },
7449
    { "std-vga", 0, QEMU_OPTION_std_vga },
7450
    { "echr", HAS_ARG, QEMU_OPTION_echr },
7451
    { "monitor", HAS_ARG, QEMU_OPTION_monitor },
7452
    { "serial", HAS_ARG, QEMU_OPTION_serial },
7453
    { "parallel", HAS_ARG, QEMU_OPTION_parallel },
7454
    { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
7455
    { "full-screen", 0, QEMU_OPTION_full_screen },
7456
#ifdef CONFIG_SDL
7457
    { "no-frame", 0, QEMU_OPTION_no_frame },
7458
    { "alt-grab", 0, QEMU_OPTION_alt_grab },
7459
    { "no-quit", 0, QEMU_OPTION_no_quit },
7460
#endif
7461
    { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
7462
    { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
7463
    { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
7464
    { "smp", HAS_ARG, QEMU_OPTION_smp },
7465
    { "vnc", HAS_ARG, QEMU_OPTION_vnc },
7466
#ifdef CONFIG_CURSES
7467
    { "curses", 0, QEMU_OPTION_curses },
7468
#endif
7469

    
7470
    /* temporary options */
7471
    { "usb", 0, QEMU_OPTION_usb },
7472
    { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
7473
    { "vmwarevga", 0, QEMU_OPTION_vmsvga },
7474
    { "no-acpi", 0, QEMU_OPTION_no_acpi },
7475
    { "no-reboot", 0, QEMU_OPTION_no_reboot },
7476
    { "no-shutdown", 0, QEMU_OPTION_no_shutdown },
7477
    { "show-cursor", 0, QEMU_OPTION_show_cursor },
7478
    { "daemonize", 0, QEMU_OPTION_daemonize },
7479
    { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
7480
#if defined(TARGET_ARM) || defined(TARGET_M68K)
7481
    { "semihosting", 0, QEMU_OPTION_semihosting },
7482
#endif
7483
    { "name", HAS_ARG, QEMU_OPTION_name },
7484
#if defined(TARGET_SPARC)
7485
    { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
7486
#endif
7487
#if defined(TARGET_ARM)
7488
    { "old-param", 0, QEMU_OPTION_old_param },
7489
#endif
7490
    { "clock", HAS_ARG, QEMU_OPTION_clock },
7491
    { "startdate", HAS_ARG, QEMU_OPTION_startdate },
7492
    { NULL },
7493
};
7494

    
7495
/* password input */
7496

    
7497
int qemu_key_check(BlockDriverState *bs, const char *name)
7498
{
7499
    char password[256];
7500
    int i;
7501

    
7502
    if (!bdrv_is_encrypted(bs))
7503
        return 0;
7504

    
7505
    term_printf("%s is encrypted.\n", name);
7506
    for(i = 0; i < 3; i++) {
7507
        monitor_readline("Password: ", 1, password, sizeof(password));
7508
        if (bdrv_set_key(bs, password) == 0)
7509
            return 0;
7510
        term_printf("invalid password\n");
7511
    }
7512
    return -EPERM;
7513
}
7514

    
7515
static BlockDriverState *get_bdrv(int index)
7516
{
7517
    if (index > nb_drives)
7518
        return NULL;
7519
    return drives_table[index].bdrv;
7520
}
7521

    
7522
static void read_passwords(void)
7523
{
7524
    BlockDriverState *bs;
7525
    int i;
7526

    
7527
    for(i = 0; i < 6; i++) {
7528
        bs = get_bdrv(i);
7529
        if (bs)
7530
            qemu_key_check(bs, bdrv_get_device_name(bs));
7531
    }
7532
}
7533

    
7534
#ifdef HAS_AUDIO
7535
struct soundhw soundhw[] = {
7536
#ifdef HAS_AUDIO_CHOICE
7537
#if defined(TARGET_I386) || defined(TARGET_MIPS)
7538
    {
7539
        "pcspk",
7540
        "PC speaker",
7541
        0,
7542
        1,
7543
        { .init_isa = pcspk_audio_init }
7544
    },
7545
#endif
7546
    {
7547
        "sb16",
7548
        "Creative Sound Blaster 16",
7549
        0,
7550
        1,
7551
        { .init_isa = SB16_init }
7552
    },
7553

    
7554
#ifdef CONFIG_ADLIB
7555
    {
7556
        "adlib",
7557
#ifdef HAS_YMF262
7558
        "Yamaha YMF262 (OPL3)",
7559
#else
7560
        "Yamaha YM3812 (OPL2)",
7561
#endif
7562
        0,
7563
        1,
7564
        { .init_isa = Adlib_init }
7565
    },
7566
#endif
7567

    
7568
#ifdef CONFIG_GUS
7569
    {
7570
        "gus",
7571
        "Gravis Ultrasound GF1",
7572
        0,
7573
        1,
7574
        { .init_isa = GUS_init }
7575
    },
7576
#endif
7577

    
7578
#ifdef CONFIG_AC97
7579
    {
7580
        "ac97",
7581
        "Intel 82801AA AC97 Audio",
7582
        0,
7583
        0,
7584
        { .init_pci = ac97_init }
7585
    },
7586
#endif
7587

    
7588
    {
7589
        "es1370",
7590
        "ENSONIQ AudioPCI ES1370",
7591
        0,
7592
        0,
7593
        { .init_pci = es1370_init }
7594
    },
7595
#endif
7596

    
7597
    { NULL, NULL, 0, 0, { NULL } }
7598
};
7599

    
7600
static void select_soundhw (const char *optarg)
7601
{
7602
    struct soundhw *c;
7603

    
7604
    if (*optarg == '?') {
7605
    show_valid_cards:
7606

    
7607
        printf ("Valid sound card names (comma separated):\n");
7608
        for (c = soundhw; c->name; ++c) {
7609
            printf ("%-11s %s\n", c->name, c->descr);
7610
        }
7611
        printf ("\n-soundhw all will enable all of the above\n");
7612
        exit (*optarg != '?');
7613
    }
7614
    else {
7615
        size_t l;
7616
        const char *p;
7617
        char *e;
7618
        int bad_card = 0;
7619

    
7620
        if (!strcmp (optarg, "all")) {
7621
            for (c = soundhw; c->name; ++c) {
7622
                c->enabled = 1;
7623
            }
7624
            return;
7625
        }
7626

    
7627
        p = optarg;
7628
        while (*p) {
7629
            e = strchr (p, ',');
7630
            l = !e ? strlen (p) : (size_t) (e - p);
7631

    
7632
            for (c = soundhw; c->name; ++c) {
7633
                if (!strncmp (c->name, p, l)) {
7634
                    c->enabled = 1;
7635
                    break;
7636
                }
7637
            }
7638

    
7639
            if (!c->name) {
7640
                if (l > 80) {
7641
                    fprintf (stderr,
7642
                             "Unknown sound card name (too big to show)\n");
7643
                }
7644
                else {
7645
                    fprintf (stderr, "Unknown sound card name `%.*s'\n",
7646
                             (int) l, p);
7647
                }
7648
                bad_card = 1;
7649
            }
7650
            p += l + (e != NULL);
7651
        }
7652

    
7653
        if (bad_card)
7654
            goto show_valid_cards;
7655
    }
7656
}
7657
#endif
7658

    
7659
#ifdef _WIN32
7660
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
7661
{
7662
    exit(STATUS_CONTROL_C_EXIT);
7663
    return TRUE;
7664
}
7665
#endif
7666

    
7667
#define MAX_NET_CLIENTS 32
7668

    
7669
int main(int argc, char **argv)
7670
{
7671
#ifdef CONFIG_GDBSTUB
7672
    int use_gdbstub;
7673
    const char *gdbstub_port;
7674
#endif
7675
    uint32_t boot_devices_bitmap = 0;
7676
    int i;
7677
    int snapshot, linux_boot, net_boot;
7678
    const char *initrd_filename;
7679
    const char *kernel_filename, *kernel_cmdline;
7680
    const char *boot_devices = "";
7681
    DisplayState *ds = &display_state;
7682
    int cyls, heads, secs, translation;
7683
    const char *net_clients[MAX_NET_CLIENTS];
7684
    int nb_net_clients;
7685
    int hda_index;
7686
    int optind;
7687
    const char *r, *optarg;
7688
    CharDriverState *monitor_hd;
7689
    const char *monitor_device;
7690
    const char *serial_devices[MAX_SERIAL_PORTS];
7691
    int serial_device_index;
7692
    const char *parallel_devices[MAX_PARALLEL_PORTS];
7693
    int parallel_device_index;
7694
    const char *loadvm = NULL;
7695
    QEMUMachine *machine;
7696
    const char *cpu_model;
7697
    const char *usb_devices[MAX_USB_CMDLINE];
7698
    int usb_devices_index;
7699
    int fds[2];
7700
    const char *pid_file = NULL;
7701
    VLANState *vlan;
7702

    
7703
    LIST_INIT (&vm_change_state_head);
7704
#ifndef _WIN32
7705
    {
7706
        struct sigaction act;
7707
        sigfillset(&act.sa_mask);
7708
        act.sa_flags = 0;
7709
        act.sa_handler = SIG_IGN;
7710
        sigaction(SIGPIPE, &act, NULL);
7711
    }
7712
#else
7713
    SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
7714
    /* Note: cpu_interrupt() is currently not SMP safe, so we force
7715
       QEMU to run on a single CPU */
7716
    {
7717
        HANDLE h;
7718
        DWORD mask, smask;
7719
        int i;
7720
        h = GetCurrentProcess();
7721
        if (GetProcessAffinityMask(h, &mask, &smask)) {
7722
            for(i = 0; i < 32; i++) {
7723
                if (mask & (1 << i))
7724
                    break;
7725
            }
7726
            if (i != 32) {
7727
                mask = 1 << i;
7728
                SetProcessAffinityMask(h, mask);
7729
            }
7730
        }
7731
    }
7732
#endif
7733

    
7734
    register_machines();
7735
    machine = first_machine;
7736
    cpu_model = NULL;
7737
    initrd_filename = NULL;
7738
    ram_size = 0;
7739
    vga_ram_size = VGA_RAM_SIZE;
7740
#ifdef CONFIG_GDBSTUB
7741
    use_gdbstub = 0;
7742
    gdbstub_port = DEFAULT_GDBSTUB_PORT;
7743
#endif
7744
    snapshot = 0;
7745
    nographic = 0;
7746
    curses = 0;
7747
    kernel_filename = NULL;
7748
    kernel_cmdline = "";
7749
    cyls = heads = secs = 0;
7750
    translation = BIOS_ATA_TRANSLATION_AUTO;
7751
    monitor_device = "vc:800x600";
7752

    
7753
    serial_devices[0] = "vc:80Cx24C";
7754
    for(i = 1; i < MAX_SERIAL_PORTS; i++)
7755
        serial_devices[i] = NULL;
7756
    serial_device_index = 0;
7757

    
7758
    parallel_devices[0] = "vc:640x480";
7759
    for(i = 1; i < MAX_PARALLEL_PORTS; i++)
7760
        parallel_devices[i] = NULL;
7761
    parallel_device_index = 0;
7762

    
7763
    usb_devices_index = 0;
7764

    
7765
    nb_net_clients = 0;
7766
    nb_drives = 0;
7767
    nb_drives_opt = 0;
7768
    hda_index = -1;
7769

    
7770
    nb_nics = 0;
7771
    /* default mac address of the first network interface */
7772

    
7773
    optind = 1;
7774
    for(;;) {
7775
        if (optind >= argc)
7776
            break;
7777
        r = argv[optind];
7778
        if (r[0] != '-') {
7779
            hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
7780
        } else {
7781
            const QEMUOption *popt;
7782

    
7783
            optind++;
7784
            /* Treat --foo the same as -foo.  */
7785
            if (r[1] == '-')
7786
                r++;
7787
            popt = qemu_options;
7788
            for(;;) {
7789
                if (!popt->name) {
7790
                    fprintf(stderr, "%s: invalid option -- '%s'\n",
7791
                            argv[0], r);
7792
                    exit(1);
7793
                }
7794
                if (!strcmp(popt->name, r + 1))
7795
                    break;
7796
                popt++;
7797
            }
7798
            if (popt->flags & HAS_ARG) {
7799
                if (optind >= argc) {
7800
                    fprintf(stderr, "%s: option '%s' requires an argument\n",
7801
                            argv[0], r);
7802
                    exit(1);
7803
                }
7804
                optarg = argv[optind++];
7805
            } else {
7806
                optarg = NULL;
7807
            }
7808

    
7809
            switch(popt->index) {
7810
            case QEMU_OPTION_M:
7811
                machine = find_machine(optarg);
7812
                if (!machine) {
7813
                    QEMUMachine *m;
7814
                    printf("Supported machines are:\n");
7815
                    for(m = first_machine; m != NULL; m = m->next) {
7816
                        printf("%-10s %s%s\n",
7817
                               m->name, m->desc,
7818
                               m == first_machine ? " (default)" : "");
7819
                    }
7820
                    exit(*optarg != '?');
7821
                }
7822
                break;
7823
            case QEMU_OPTION_cpu:
7824
                /* hw initialization will check this */
7825
                if (*optarg == '?') {
7826
/* XXX: implement xxx_cpu_list for targets that still miss it */
7827
#if defined(cpu_list)
7828
                    cpu_list(stdout, &fprintf);
7829
#endif
7830
                    exit(0);
7831
                } else {
7832
                    cpu_model = optarg;
7833
                }
7834
                break;
7835
            case QEMU_OPTION_initrd:
7836
                initrd_filename = optarg;
7837
                break;
7838
            case QEMU_OPTION_hda:
7839
                if (cyls == 0)
7840
                    hda_index = drive_add(optarg, HD_ALIAS, 0);
7841
                else
7842
                    hda_index = drive_add(optarg, HD_ALIAS
7843
                             ",cyls=%d,heads=%d,secs=%d%s",
7844
                             0, cyls, heads, secs,
7845
                             translation == BIOS_ATA_TRANSLATION_LBA ?
7846
                                 ",trans=lba" :
7847
                             translation == BIOS_ATA_TRANSLATION_NONE ?
7848
                                 ",trans=none" : "");
7849
                 break;
7850
            case QEMU_OPTION_hdb:
7851
            case QEMU_OPTION_hdc:
7852
            case QEMU_OPTION_hdd:
7853
                drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
7854
                break;
7855
            case QEMU_OPTION_drive:
7856
                drive_add(NULL, "%s", optarg);
7857
                break;
7858
            case QEMU_OPTION_mtdblock:
7859
                drive_add(optarg, MTD_ALIAS);
7860
                break;
7861
            case QEMU_OPTION_sd:
7862
                drive_add(optarg, SD_ALIAS);
7863
                break;
7864
            case QEMU_OPTION_pflash:
7865
                drive_add(optarg, PFLASH_ALIAS);
7866
                break;
7867
            case QEMU_OPTION_snapshot:
7868
                snapshot = 1;
7869
                break;
7870
            case QEMU_OPTION_hdachs:
7871
                {
7872
                    const char *p;
7873
                    p = optarg;
7874
                    cyls = strtol(p, (char **)&p, 0);
7875
                    if (cyls < 1 || cyls > 16383)
7876
                        goto chs_fail;
7877
                    if (*p != ',')
7878
                        goto chs_fail;
7879
                    p++;
7880
                    heads = strtol(p, (char **)&p, 0);
7881
                    if (heads < 1 || heads > 16)
7882
                        goto chs_fail;
7883
                    if (*p != ',')
7884
                        goto chs_fail;
7885
                    p++;
7886
                    secs = strtol(p, (char **)&p, 0);
7887
                    if (secs < 1 || secs > 63)
7888
                        goto chs_fail;
7889
                    if (*p == ',') {
7890
                        p++;
7891
                        if (!strcmp(p, "none"))
7892
                            translation = BIOS_ATA_TRANSLATION_NONE;
7893
                        else if (!strcmp(p, "lba"))
7894
                            translation = BIOS_ATA_TRANSLATION_LBA;
7895
                        else if (!strcmp(p, "auto"))
7896
                            translation = BIOS_ATA_TRANSLATION_AUTO;
7897
                        else
7898
                            goto chs_fail;
7899
                    } else if (*p != '\0') {
7900
                    chs_fail:
7901
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
7902
                        exit(1);
7903
                    }
7904
                    if (hda_index != -1)
7905
                        snprintf(drives_opt[hda_index].opt,
7906
                                 sizeof(drives_opt[hda_index].opt),
7907
                                 HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
7908
                                 0, cyls, heads, secs,
7909
                                 translation == BIOS_ATA_TRANSLATION_LBA ?
7910
                                         ",trans=lba" :
7911
                                 translation == BIOS_ATA_TRANSLATION_NONE ?
7912
                                     ",trans=none" : "");
7913
                }
7914
                break;
7915
            case QEMU_OPTION_nographic:
7916
                serial_devices[0] = "stdio";
7917
                parallel_devices[0] = "null";
7918
                monitor_device = "stdio";
7919
                nographic = 1;
7920
                break;
7921
#ifdef CONFIG_CURSES
7922
            case QEMU_OPTION_curses:
7923
                curses = 1;
7924
                break;
7925
#endif
7926
            case QEMU_OPTION_portrait:
7927
                graphic_rotate = 1;
7928
                break;
7929
            case QEMU_OPTION_kernel:
7930
                kernel_filename = optarg;
7931
                break;
7932
            case QEMU_OPTION_append:
7933
                kernel_cmdline = optarg;
7934
                break;
7935
            case QEMU_OPTION_cdrom:
7936
                drive_add(optarg, CDROM_ALIAS);
7937
                break;
7938
            case QEMU_OPTION_boot:
7939
                boot_devices = optarg;
7940
                /* We just do some generic consistency checks */
7941
                {
7942
                    /* Could easily be extended to 64 devices if needed */
7943
                    const char *p;
7944
                    
7945
                    boot_devices_bitmap = 0;
7946
                    for (p = boot_devices; *p != '\0'; p++) {
7947
                        /* Allowed boot devices are:
7948
                         * a b     : floppy disk drives
7949
                         * c ... f : IDE disk drives
7950
                         * g ... m : machine implementation dependant drives
7951
                         * n ... p : network devices
7952
                         * It's up to each machine implementation to check
7953
                         * if the given boot devices match the actual hardware
7954
                         * implementation and firmware features.
7955
                         */
7956
                        if (*p < 'a' || *p > 'q') {
7957
                            fprintf(stderr, "Invalid boot device '%c'\n", *p);
7958
                            exit(1);
7959
                        }
7960
                        if (boot_devices_bitmap & (1 << (*p - 'a'))) {
7961
                            fprintf(stderr,
7962
                                    "Boot device '%c' was given twice\n",*p);
7963
                            exit(1);
7964
                        }
7965
                        boot_devices_bitmap |= 1 << (*p - 'a');
7966
                    }
7967
                }
7968
                break;
7969
            case QEMU_OPTION_fda:
7970
            case QEMU_OPTION_fdb:
7971
                drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
7972
                break;
7973
#ifdef TARGET_I386
7974
            case QEMU_OPTION_no_fd_bootchk:
7975
                fd_bootchk = 0;
7976
                break;
7977
#endif
7978
            case QEMU_OPTION_net:
7979
                if (nb_net_clients >= MAX_NET_CLIENTS) {
7980
                    fprintf(stderr, "qemu: too many network clients\n");
7981
                    exit(1);
7982
                }
7983
                net_clients[nb_net_clients] = optarg;
7984
                nb_net_clients++;
7985
                break;
7986
#ifdef CONFIG_SLIRP
7987
            case QEMU_OPTION_tftp:
7988
                tftp_prefix = optarg;
7989
                break;
7990
            case QEMU_OPTION_bootp:
7991
                bootp_filename = optarg;
7992
                break;
7993
#ifndef _WIN32
7994
            case QEMU_OPTION_smb:
7995
                net_slirp_smb(optarg);
7996
                break;
7997
#endif
7998
            case QEMU_OPTION_redir:
7999
                net_slirp_redir(optarg);
8000
                break;
8001
#endif
8002
#ifdef HAS_AUDIO
8003
            case QEMU_OPTION_audio_help:
8004
                AUD_help ();
8005
                exit (0);
8006
                break;
8007
            case QEMU_OPTION_soundhw:
8008
                select_soundhw (optarg);
8009
                break;
8010
#endif
8011
            case QEMU_OPTION_h:
8012
                help(0);
8013
                break;
8014
            case QEMU_OPTION_m: {
8015
                uint64_t value;
8016
                char *ptr;
8017

    
8018
                value = strtoul(optarg, &ptr, 10);
8019
                switch (*ptr) {
8020
                case 0: case 'M': case 'm':
8021
                    value <<= 20;
8022
                    break;
8023
                case 'G': case 'g':
8024
                    value <<= 30;
8025
                    break;
8026
                default:
8027
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
8028
                    exit(1);
8029
                }
8030

    
8031
                /* On 32-bit hosts, QEMU is limited by virtual address space */
8032
                if (value > (2047 << 20)
8033
#ifndef USE_KQEMU
8034
                    && HOST_LONG_BITS == 32
8035
#endif
8036
                    ) {
8037
                    fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
8038
                    exit(1);
8039
                }
8040
                if (value != (uint64_t)(ram_addr_t)value) {
8041
                    fprintf(stderr, "qemu: ram size too large\n");
8042
                    exit(1);
8043
                }
8044
                ram_size = value;
8045
                break;
8046
            }
8047
            case QEMU_OPTION_d:
8048
                {
8049
                    int mask;
8050
                    CPULogItem *item;
8051

    
8052
                    mask = cpu_str_to_log_mask(optarg);
8053
                    if (!mask) {
8054
                        printf("Log items (comma separated):\n");
8055
                    for(item = cpu_log_items; item->mask != 0; item++) {
8056
                        printf("%-10s %s\n", item->name, item->help);
8057
                    }
8058
                    exit(1);
8059
                    }
8060
                    cpu_set_log(mask);
8061
                }
8062
                break;
8063
#ifdef CONFIG_GDBSTUB
8064
            case QEMU_OPTION_s:
8065
                use_gdbstub = 1;
8066
                break;
8067
            case QEMU_OPTION_p:
8068
                gdbstub_port = optarg;
8069
                break;
8070
#endif
8071
            case QEMU_OPTION_L:
8072
                bios_dir = optarg;
8073
                break;
8074
            case QEMU_OPTION_bios:
8075
                bios_name = optarg;
8076
                break;
8077
            case QEMU_OPTION_S:
8078
                autostart = 0;
8079
                break;
8080
            case QEMU_OPTION_k:
8081
                keyboard_layout = optarg;
8082
                break;
8083
            case QEMU_OPTION_localtime:
8084
                rtc_utc = 0;
8085
                break;
8086
            case QEMU_OPTION_cirrusvga:
8087
                cirrus_vga_enabled = 1;
8088
                vmsvga_enabled = 0;
8089
                break;
8090
            case QEMU_OPTION_vmsvga:
8091
                cirrus_vga_enabled = 0;
8092
                vmsvga_enabled = 1;
8093
                break;
8094
            case QEMU_OPTION_std_vga:
8095
                cirrus_vga_enabled = 0;
8096
                vmsvga_enabled = 0;
8097
                break;
8098
            case QEMU_OPTION_g:
8099
                {
8100
                    const char *p;
8101
                    int w, h, depth;
8102
                    p = optarg;
8103
                    w = strtol(p, (char **)&p, 10);
8104
                    if (w <= 0) {
8105
                    graphic_error:
8106
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
8107
                        exit(1);
8108
                    }
8109
                    if (*p != 'x')
8110
                        goto graphic_error;
8111
                    p++;
8112
                    h = strtol(p, (char **)&p, 10);
8113
                    if (h <= 0)
8114
                        goto graphic_error;
8115
                    if (*p == 'x') {
8116
                        p++;
8117
                        depth = strtol(p, (char **)&p, 10);
8118
                        if (depth != 8 && depth != 15 && depth != 16 &&
8119
                            depth != 24 && depth != 32)
8120
                            goto graphic_error;
8121
                    } else if (*p == '\0') {
8122
                        depth = graphic_depth;
8123
                    } else {
8124
                        goto graphic_error;
8125
                    }
8126

    
8127
                    graphic_width = w;
8128
                    graphic_height = h;
8129
                    graphic_depth = depth;
8130
                }
8131
                break;
8132
            case QEMU_OPTION_echr:
8133
                {
8134
                    char *r;
8135
                    term_escape_char = strtol(optarg, &r, 0);
8136
                    if (r == optarg)
8137
                        printf("Bad argument to echr\n");
8138
                    break;
8139
                }
8140
            case QEMU_OPTION_monitor:
8141
                monitor_device = optarg;
8142
                break;
8143
            case QEMU_OPTION_serial:
8144
                if (serial_device_index >= MAX_SERIAL_PORTS) {
8145
                    fprintf(stderr, "qemu: too many serial ports\n");
8146
                    exit(1);
8147
                }
8148
                serial_devices[serial_device_index] = optarg;
8149
                serial_device_index++;
8150
                break;
8151
            case QEMU_OPTION_parallel:
8152
                if (parallel_device_index >= MAX_PARALLEL_PORTS) {
8153
                    fprintf(stderr, "qemu: too many parallel ports\n");
8154
                    exit(1);
8155
                }
8156
                parallel_devices[parallel_device_index] = optarg;
8157
                parallel_device_index++;
8158
                break;
8159
            case QEMU_OPTION_loadvm:
8160
                loadvm = optarg;
8161
                break;
8162
            case QEMU_OPTION_full_screen:
8163
                full_screen = 1;
8164
                break;
8165
#ifdef CONFIG_SDL
8166
            case QEMU_OPTION_no_frame:
8167
                no_frame = 1;
8168
                break;
8169
            case QEMU_OPTION_alt_grab:
8170
                alt_grab = 1;
8171
                break;
8172
            case QEMU_OPTION_no_quit:
8173
                no_quit = 1;
8174
                break;
8175
#endif
8176
            case QEMU_OPTION_pidfile:
8177
                pid_file = optarg;
8178
                break;
8179
#ifdef TARGET_I386
8180
            case QEMU_OPTION_win2k_hack:
8181
                win2k_install_hack = 1;
8182
                break;
8183
#endif
8184
#ifdef USE_KQEMU
8185
            case QEMU_OPTION_no_kqemu:
8186
                kqemu_allowed = 0;
8187
                break;
8188
            case QEMU_OPTION_kernel_kqemu:
8189
                kqemu_allowed = 2;
8190
                break;
8191
#endif
8192
            case QEMU_OPTION_usb:
8193
                usb_enabled = 1;
8194
                break;
8195
            case QEMU_OPTION_usbdevice:
8196
                usb_enabled = 1;
8197
                if (usb_devices_index >= MAX_USB_CMDLINE) {
8198
                    fprintf(stderr, "Too many USB devices\n");
8199
                    exit(1);
8200
                }
8201
                usb_devices[usb_devices_index] = optarg;
8202
                usb_devices_index++;
8203
                break;
8204
            case QEMU_OPTION_smp:
8205
                smp_cpus = atoi(optarg);
8206
                if (smp_cpus < 1 || smp_cpus > MAX_CPUS) {
8207
                    fprintf(stderr, "Invalid number of CPUs\n");
8208
                    exit(1);
8209
                }
8210
                break;
8211
            case QEMU_OPTION_vnc:
8212
                vnc_display = optarg;
8213
                break;
8214
            case QEMU_OPTION_no_acpi:
8215
                acpi_enabled = 0;
8216
                break;
8217
            case QEMU_OPTION_no_reboot:
8218
                no_reboot = 1;
8219
                break;
8220
            case QEMU_OPTION_no_shutdown:
8221
                no_shutdown = 1;
8222
                break;
8223
            case QEMU_OPTION_show_cursor:
8224
                cursor_hide = 0;
8225
                break;
8226
            case QEMU_OPTION_daemonize:
8227
                daemonize = 1;
8228
                break;
8229
            case QEMU_OPTION_option_rom:
8230
                if (nb_option_roms >= MAX_OPTION_ROMS) {
8231
                    fprintf(stderr, "Too many option ROMs\n");
8232
                    exit(1);
8233
                }
8234
                option_rom[nb_option_roms] = optarg;
8235
                nb_option_roms++;
8236
                break;
8237
            case QEMU_OPTION_semihosting:
8238
                semihosting_enabled = 1;
8239
                break;
8240
            case QEMU_OPTION_name:
8241
                qemu_name = optarg;
8242
                break;
8243
#ifdef TARGET_SPARC
8244
            case QEMU_OPTION_prom_env:
8245
                if (nb_prom_envs >= MAX_PROM_ENVS) {
8246
                    fprintf(stderr, "Too many prom variables\n");
8247
                    exit(1);
8248
                }
8249
                prom_envs[nb_prom_envs] = optarg;
8250
                nb_prom_envs++;
8251
                break;
8252
#endif
8253
#ifdef TARGET_ARM
8254
            case QEMU_OPTION_old_param:
8255
                old_param = 1;
8256
                break;
8257
#endif
8258
            case QEMU_OPTION_clock:
8259
                configure_alarms(optarg);
8260
                break;
8261
            case QEMU_OPTION_startdate:
8262
                {
8263
                    struct tm tm;
8264
                    time_t rtc_start_date;
8265
                    if (!strcmp(optarg, "now")) {
8266
                        rtc_date_offset = -1;
8267
                    } else {
8268
                        if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
8269
                               &tm.tm_year,
8270
                               &tm.tm_mon,
8271
                               &tm.tm_mday,
8272
                               &tm.tm_hour,
8273
                               &tm.tm_min,
8274
                               &tm.tm_sec) == 6) {
8275
                            /* OK */
8276
                        } else if (sscanf(optarg, "%d-%d-%d",
8277
                                          &tm.tm_year,
8278
                                          &tm.tm_mon,
8279
                                          &tm.tm_mday) == 3) {
8280
                            tm.tm_hour = 0;
8281
                            tm.tm_min = 0;
8282
                            tm.tm_sec = 0;
8283
                        } else {
8284
                            goto date_fail;
8285
                        }
8286
                        tm.tm_year -= 1900;
8287
                        tm.tm_mon--;
8288
                        rtc_start_date = mktimegm(&tm);
8289
                        if (rtc_start_date == -1) {
8290
                        date_fail:
8291
                            fprintf(stderr, "Invalid date format. Valid format are:\n"
8292
                                    "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
8293
                            exit(1);
8294
                        }
8295
                        rtc_date_offset = time(NULL) - rtc_start_date;
8296
                    }
8297
                }
8298
                break;
8299
            }
8300
        }
8301
    }
8302

    
8303
#ifndef _WIN32
8304
    if (daemonize && !nographic && vnc_display == NULL) {
8305
        fprintf(stderr, "Can only daemonize if using -nographic or -vnc\n");
8306
        daemonize = 0;
8307
    }
8308

    
8309
    if (daemonize) {
8310
        pid_t pid;
8311

    
8312
        if (pipe(fds) == -1)
8313
            exit(1);
8314

    
8315
        pid = fork();
8316
        if (pid > 0) {
8317
            uint8_t status;
8318
            ssize_t len;
8319

    
8320
            close(fds[1]);
8321

    
8322
        again:
8323
            len = read(fds[0], &status, 1);
8324
            if (len == -1 && (errno == EINTR))
8325
                goto again;
8326

    
8327
            if (len != 1)
8328
                exit(1);
8329
            else if (status == 1) {
8330
                fprintf(stderr, "Could not acquire pidfile\n");
8331
                exit(1);
8332
            } else
8333
                exit(0);
8334
        } else if (pid < 0)
8335
            exit(1);
8336

    
8337
        setsid();
8338

    
8339
        pid = fork();
8340
        if (pid > 0)
8341
            exit(0);
8342
        else if (pid < 0)
8343
            exit(1);
8344

    
8345
        umask(027);
8346
        chdir("/");
8347

    
8348
        signal(SIGTSTP, SIG_IGN);
8349
        signal(SIGTTOU, SIG_IGN);
8350
        signal(SIGTTIN, SIG_IGN);
8351
    }
8352
#endif
8353

    
8354
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
8355
        if (daemonize) {
8356
            uint8_t status = 1;
8357
            write(fds[1], &status, 1);
8358
        } else
8359
            fprintf(stderr, "Could not acquire pid file\n");
8360
        exit(1);
8361
    }
8362

    
8363
#ifdef USE_KQEMU
8364
    if (smp_cpus > 1)
8365
        kqemu_allowed = 0;
8366
#endif
8367
    linux_boot = (kernel_filename != NULL);
8368
    net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
8369

    
8370
    /* XXX: this should not be: some embedded targets just have flash */
8371
    if (!linux_boot && net_boot == 0 &&
8372
        nb_drives_opt == 0)
8373
        help(1);
8374

    
8375
    /* boot to floppy or the default cd if no hard disk defined yet */
8376
    if (!boot_devices[0]) {
8377
        boot_devices = "cad";
8378
    }
8379
    setvbuf(stdout, NULL, _IOLBF, 0);
8380

    
8381
    init_timers();
8382
    init_timer_alarm();
8383
    qemu_aio_init();
8384

    
8385
#ifdef _WIN32
8386
    socket_init();
8387
#endif
8388

    
8389
    /* init network clients */
8390
    if (nb_net_clients == 0) {
8391
        /* if no clients, we use a default config */
8392
        net_clients[0] = "nic";
8393
        net_clients[1] = "user";
8394
        nb_net_clients = 2;
8395
    }
8396

    
8397
    for(i = 0;i < nb_net_clients; i++) {
8398
        if (net_client_init(net_clients[i]) < 0)
8399
            exit(1);
8400
    }
8401
    for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
8402
        if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0)
8403
            continue;
8404
        if (vlan->nb_guest_devs == 0) {
8405
            fprintf(stderr, "Invalid vlan (%d) with no nics\n", vlan->id);
8406
            exit(1);
8407
        }
8408
        if (vlan->nb_host_devs == 0)
8409
            fprintf(stderr,
8410
                    "Warning: vlan %d is not connected to host network\n",
8411
                    vlan->id);
8412
    }
8413

    
8414
#ifdef TARGET_I386
8415
    /* XXX: this should be moved in the PC machine instantiation code */
8416
    if (net_boot != 0) {
8417
        int netroms = 0;
8418
        for (i = 0; i < nb_nics && i < 4; i++) {
8419
            const char *model = nd_table[i].model;
8420
            char buf[1024];
8421
            if (net_boot & (1 << i)) {
8422
                if (model == NULL)
8423
                    model = "ne2k_pci";
8424
                snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
8425
                if (get_image_size(buf) > 0) {
8426
                    if (nb_option_roms >= MAX_OPTION_ROMS) {
8427
                        fprintf(stderr, "Too many option ROMs\n");
8428
                        exit(1);
8429
                    }
8430
                    option_rom[nb_option_roms] = strdup(buf);
8431
                    nb_option_roms++;
8432
                    netroms++;
8433
                }
8434
            }
8435
        }
8436
        if (netroms == 0) {
8437
            fprintf(stderr, "No valid PXE rom found for network device\n");
8438
            exit(1);
8439
        }
8440
    }
8441
#endif
8442

    
8443
    /* init the memory */
8444
    phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED;
8445

    
8446
    if (machine->ram_require & RAMSIZE_FIXED) {
8447
        if (ram_size > 0) {
8448
            if (ram_size < phys_ram_size) {
8449
                fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
8450
                                machine->name, (unsigned long long) phys_ram_size);
8451
                exit(-1);
8452
            }
8453

    
8454
            phys_ram_size = ram_size;
8455
        } else
8456
            ram_size = phys_ram_size;
8457
    } else {
8458
        if (ram_size == 0)
8459
            ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
8460

    
8461
        phys_ram_size += ram_size;
8462
    }
8463

    
8464
    phys_ram_base = qemu_vmalloc(phys_ram_size);
8465
    if (!phys_ram_base) {
8466
        fprintf(stderr, "Could not allocate physical memory\n");
8467
        exit(1);
8468
    }
8469

    
8470
    bdrv_init();
8471

    
8472
    /* we always create the cdrom drive, even if no disk is there */
8473

    
8474
    if (nb_drives_opt < MAX_DRIVES)
8475
        drive_add(NULL, CDROM_ALIAS);
8476

    
8477
    /* we always create at least one floppy */
8478

    
8479
    if (nb_drives_opt < MAX_DRIVES)
8480
        drive_add(NULL, FD_ALIAS, 0);
8481

    
8482
    /* we always create one sd slot, even if no card is in it */
8483

    
8484
    if (nb_drives_opt < MAX_DRIVES)
8485
        drive_add(NULL, SD_ALIAS);
8486

    
8487
    /* open the virtual block devices */
8488

    
8489
    for(i = 0; i < nb_drives_opt; i++)
8490
        if (drive_init(&drives_opt[i], snapshot, machine) == -1)
8491
            exit(1);
8492

    
8493
    register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
8494
    register_savevm("ram", 0, 2, ram_save, ram_load, NULL);
8495

    
8496
    init_ioports();
8497

    
8498
    /* terminal init */
8499
    memset(&display_state, 0, sizeof(display_state));
8500
    if (nographic) {
8501
        if (curses) {
8502
            fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
8503
            exit(1);
8504
        }
8505
        /* nearly nothing to do */
8506
        dumb_display_init(ds);
8507
    } else if (vnc_display != NULL) {
8508
        vnc_display_init(ds);
8509
        if (vnc_display_open(ds, vnc_display) < 0)
8510
            exit(1);
8511
    } else
8512
#if defined(CONFIG_CURSES)
8513
    if (curses) {
8514
        curses_display_init(ds, full_screen);
8515
    } else
8516
#endif
8517
    {
8518
#if defined(CONFIG_SDL)
8519
        sdl_display_init(ds, full_screen, no_frame);
8520
#elif defined(CONFIG_COCOA)
8521
        cocoa_display_init(ds, full_screen);
8522
#else
8523
        dumb_display_init(ds);
8524
#endif
8525
    }
8526

    
8527
    /* Maintain compatibility with multiple stdio monitors */
8528
    if (!strcmp(monitor_device,"stdio")) {
8529
        for (i = 0; i < MAX_SERIAL_PORTS; i++) {
8530
            const char *devname = serial_devices[i];
8531
            if (devname && !strcmp(devname,"mon:stdio")) {
8532
                monitor_device = NULL;
8533
                break;
8534
            } else if (devname && !strcmp(devname,"stdio")) {
8535
                monitor_device = NULL;
8536
                serial_devices[i] = "mon:stdio";
8537
                break;
8538
            }
8539
        }
8540
    }
8541
    if (monitor_device) {
8542
        monitor_hd = qemu_chr_open(monitor_device);
8543
        if (!monitor_hd) {
8544
            fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
8545
            exit(1);
8546
        }
8547
        monitor_init(monitor_hd, !nographic);
8548
    }
8549

    
8550
    for(i = 0; i < MAX_SERIAL_PORTS; i++) {
8551
        const char *devname = serial_devices[i];
8552
        if (devname && strcmp(devname, "none")) {
8553
            serial_hds[i] = qemu_chr_open(devname);
8554
            if (!serial_hds[i]) {
8555
                fprintf(stderr, "qemu: could not open serial device '%s'\n",
8556
                        devname);
8557
                exit(1);
8558
            }
8559
            if (strstart(devname, "vc", 0))
8560
                qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
8561
        }
8562
    }
8563

    
8564
    for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
8565
        const char *devname = parallel_devices[i];
8566
        if (devname && strcmp(devname, "none")) {
8567
            parallel_hds[i] = qemu_chr_open(devname);
8568
            if (!parallel_hds[i]) {
8569
                fprintf(stderr, "qemu: could not open parallel device '%s'\n",
8570
                        devname);
8571
                exit(1);
8572
            }
8573
            if (strstart(devname, "vc", 0))
8574
                qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
8575
        }
8576
    }
8577

    
8578
    machine->init(ram_size, vga_ram_size, boot_devices, ds,
8579
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
8580

    
8581
    /* init USB devices */
8582
    if (usb_enabled) {
8583
        for(i = 0; i < usb_devices_index; i++) {
8584
            if (usb_device_add(usb_devices[i]) < 0) {
8585
                fprintf(stderr, "Warning: could not add USB device %s\n",
8586
                        usb_devices[i]);
8587
            }
8588
        }
8589
    }
8590

    
8591
    if (display_state.dpy_refresh) {
8592
        display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state);
8593
        qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock));
8594
    }
8595

    
8596
#ifdef CONFIG_GDBSTUB
8597
    if (use_gdbstub) {
8598
        /* XXX: use standard host:port notation and modify options
8599
           accordingly. */
8600
        if (gdbserver_start(gdbstub_port) < 0) {
8601
            fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
8602
                    gdbstub_port);
8603
            exit(1);
8604
        }
8605
    }
8606
#endif
8607

    
8608
    if (loadvm)
8609
        do_loadvm(loadvm);
8610

    
8611
    {
8612
        /* XXX: simplify init */
8613
        read_passwords();
8614
        if (autostart) {
8615
            vm_start();
8616
        }
8617
    }
8618

    
8619
    if (daemonize) {
8620
        uint8_t status = 0;
8621
        ssize_t len;
8622
        int fd;
8623

    
8624
    again1:
8625
        len = write(fds[1], &status, 1);
8626
        if (len == -1 && (errno == EINTR))
8627
            goto again1;
8628

    
8629
        if (len != 1)
8630
            exit(1);
8631

    
8632
        TFR(fd = open("/dev/null", O_RDWR));
8633
        if (fd == -1)
8634
            exit(1);
8635

    
8636
        dup2(fd, 0);
8637
        dup2(fd, 1);
8638
        dup2(fd, 2);
8639

    
8640
        close(fd);
8641
    }
8642

    
8643
    main_loop();
8644
    quit_timers();
8645

    
8646
#if !defined(_WIN32)
8647
    /* close network clients */
8648
    for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
8649
        VLANClientState *vc;
8650

    
8651
        for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
8652
            if (vc->fd_read == tap_receive) {
8653
                char ifname[64];
8654
                TAPState *s = vc->opaque;
8655

    
8656
                if (sscanf(vc->info_str, "tap: ifname=%63s ", ifname) == 1 &&
8657
                    s->down_script[0])
8658
                    launch_script(s->down_script, ifname, s->fd);
8659
            }
8660
        }
8661
    }
8662
#endif
8663
    return 0;
8664
}