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1 /*
2  * QEMU monitor
3  *
4  * Copyright (c) 2003-2004 Fabrice Bellard
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 #include <dirent.h>
25 #include "hw/hw.h"
26 #include "hw/qdev.h"
27 #include "hw/usb.h"
28 #include "hw/pcmcia.h"
29 #include "hw/pc.h"
30 #include "hw/pci.h"
31 #include "hw/watchdog.h"
32 #include "gdbstub.h"
33 #include "net.h"
34 #include "qemu-char.h"
35 #include "sysemu.h"
36 #include "monitor.h"
37 #include "readline.h"
38 #include "console.h"
39 #include "block.h"
40 #include "audio/audio.h"
41 #include "disas.h"
42 #include "balloon.h"
43 #include "qemu-timer.h"
44 #include "migration.h"
45 #include "kvm.h"
46 #include "acl.h"
47 
48 //#define DEBUG
49 //#define DEBUG_COMPLETION
50 
51 /*
52  * Supported types:
53  *
54  * 'F'          filename
55  * 'B'          block device name
56  * 's'          string (accept optional quote)
57  * 'i'          32 bit integer
58  * 'l'          target long (32 or 64 bit)
59  * '/'          optional gdb-like print format (like "/10x")
60  *
61  * '?'          optional type (for 'F', 's' and 'i')
62  *
63  */
64 
65 typedef struct mon_cmd_t {
66     const char *name;
67     const char *args_type;
68     void *handler;
69     const char *params;
70     const char *help;
71 } mon_cmd_t;
72 
73 struct Monitor {
74     CharDriverState *chr;
75     int flags;
76     int suspend_cnt;
77     uint8_t outbuf[1024];
78     int outbuf_index;
79     ReadLineState *rs;
80     CPUState *mon_cpu;
81     BlockDriverCompletionFunc *password_completion_cb;
82     void *password_opaque;
83     QLIST_ENTRY(Monitor) entry;
84 };
85 
86 static QLIST_HEAD(mon_list, Monitor) mon_list;
87 
88 static const mon_cmd_t mon_cmds[];
89 static const mon_cmd_t info_cmds[];
90 
91 Monitor *cur_mon = NULL;
92 
93 static void monitor_command_cb(Monitor *mon, const char *cmdline,
94                                void *opaque);
95 
monitor_read_command(Monitor * mon,int show_prompt)96 static void monitor_read_command(Monitor *mon, int show_prompt)
97 {
98     readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
99     if (show_prompt)
100         readline_show_prompt(mon->rs);
101 }
102 
monitor_read_password(Monitor * mon,ReadLineFunc * readline_func,void * opaque)103 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
104                                  void *opaque)
105 {
106     if (mon->rs) {
107         readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
108         /* prompt is printed on return from the command handler */
109         return 0;
110     } else {
111         monitor_printf(mon, "terminal does not support password prompting\n");
112         return -ENOTTY;
113     }
114 }
115 
monitor_flush(Monitor * mon)116 void monitor_flush(Monitor *mon)
117 {
118     if (mon && mon->outbuf_index != 0 && mon->chr->focus == 0) {
119         qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
120         mon->outbuf_index = 0;
121     }
122 }
123 
124 /* flush at every end of line or if the buffer is full */
monitor_puts(Monitor * mon,const char * str)125 static void monitor_puts(Monitor *mon, const char *str)
126 {
127     char c;
128 
129     if (!mon)
130         return;
131 
132     for(;;) {
133         c = *str++;
134         if (c == '\0')
135             break;
136         if (c == '\n')
137             mon->outbuf[mon->outbuf_index++] = '\r';
138         mon->outbuf[mon->outbuf_index++] = c;
139         if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
140             || c == '\n')
141             monitor_flush(mon);
142     }
143 }
144 
monitor_vprintf(Monitor * mon,const char * fmt,va_list ap)145 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
146 {
147     char buf[4096];
148     vsnprintf(buf, sizeof(buf), fmt, ap);
149     monitor_puts(mon, buf);
150 }
151 
monitor_printf(Monitor * mon,const char * fmt,...)152 void monitor_printf(Monitor *mon, const char *fmt, ...)
153 {
154     va_list ap;
155     va_start(ap, fmt);
156     monitor_vprintf(mon, fmt, ap);
157     va_end(ap);
158 }
159 
monitor_print_filename(Monitor * mon,const char * filename)160 void monitor_print_filename(Monitor *mon, const char *filename)
161 {
162     int i;
163 
164     for (i = 0; filename[i]; i++) {
165         switch (filename[i]) {
166         case ' ':
167         case '"':
168         case '\\':
169             monitor_printf(mon, "\\%c", filename[i]);
170             break;
171         case '\t':
172             monitor_printf(mon, "\\t");
173             break;
174         case '\r':
175             monitor_printf(mon, "\\r");
176             break;
177         case '\n':
178             monitor_printf(mon, "\\n");
179             break;
180         default:
181             monitor_printf(mon, "%c", filename[i]);
182             break;
183         }
184     }
185 }
186 
monitor_fprintf(FILE * stream,const char * fmt,...)187 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
188 {
189     va_list ap;
190     va_start(ap, fmt);
191     monitor_vprintf((Monitor *)stream, fmt, ap);
192     va_end(ap);
193     return 0;
194 }
195 
compare_cmd(const char * name,const char * list)196 static int compare_cmd(const char *name, const char *list)
197 {
198     const char *p, *pstart;
199     int len;
200     len = strlen(name);
201     p = list;
202     for(;;) {
203         pstart = p;
204         p = strchr(p, '|');
205         if (!p)
206             p = pstart + strlen(pstart);
207         if ((p - pstart) == len && !memcmp(pstart, name, len))
208             return 1;
209         if (*p == '\0')
210             break;
211         p++;
212     }
213     return 0;
214 }
215 
help_cmd_dump(Monitor * mon,const mon_cmd_t * cmds,const char * prefix,const char * name)216 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
217                           const char *prefix, const char *name)
218 {
219     const mon_cmd_t *cmd;
220 
221     for(cmd = cmds; cmd->name != NULL; cmd++) {
222         if (!name || !strcmp(name, cmd->name))
223             monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
224                            cmd->params, cmd->help);
225     }
226 }
227 
help_cmd(Monitor * mon,const char * name)228 static void help_cmd(Monitor *mon, const char *name)
229 {
230     if (name && !strcmp(name, "info")) {
231         help_cmd_dump(mon, info_cmds, "info ", NULL);
232     } else {
233         help_cmd_dump(mon, mon_cmds, "", name);
234         if (name && !strcmp(name, "log")) {
235             const CPULogItem *item;
236             monitor_printf(mon, "Log items (comma separated):\n");
237             monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
238             for(item = cpu_log_items; item->mask != 0; item++) {
239                 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
240             }
241         }
242     }
243 }
244 
do_commit(Monitor * mon,const char * device)245 static void do_commit(Monitor *mon, const char *device)
246 {
247     int i, all_devices;
248 
249     all_devices = !strcmp(device, "all");
250     for (i = 0; i < nb_drives; i++) {
251             if (all_devices ||
252                 !strcmp(bdrv_get_device_name(drives_table[i].bdrv), device))
253                 bdrv_commit(drives_table[i].bdrv);
254     }
255 }
256 
do_info(Monitor * mon,const char * item)257 static void do_info(Monitor *mon, const char *item)
258 {
259     const mon_cmd_t *cmd;
260     void (*handler)(Monitor *);
261 
262     if (!item)
263         goto help;
264     for(cmd = info_cmds; cmd->name != NULL; cmd++) {
265         if (compare_cmd(item, cmd->name))
266             goto found;
267     }
268  help:
269     help_cmd(mon, "info");
270     return;
271  found:
272     handler = cmd->handler;
273     handler(mon);
274 }
275 
do_info_version(Monitor * mon)276 static void do_info_version(Monitor *mon)
277 {
278     monitor_printf(mon, "%s\n", QEMU_VERSION QEMU_PKGVERSION);
279 }
280 
do_info_name(Monitor * mon)281 static void do_info_name(Monitor *mon)
282 {
283     if (qemu_name)
284         monitor_printf(mon, "%s\n", qemu_name);
285 }
286 
287 #if defined(TARGET_I386)
do_info_hpet(Monitor * mon)288 static void do_info_hpet(Monitor *mon)
289 {
290     monitor_printf(mon, "HPET is %s by QEMU\n",
291                    (no_hpet) ? "disabled" : "enabled");
292 }
293 #endif
294 
do_info_uuid(Monitor * mon)295 static void do_info_uuid(Monitor *mon)
296 {
297     monitor_printf(mon, UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1],
298                    qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
299                    qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
300                    qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
301                    qemu_uuid[14], qemu_uuid[15]);
302 }
303 
304 /* get the current CPU defined by the user */
mon_set_cpu(int cpu_index)305 static int mon_set_cpu(int cpu_index)
306 {
307     CPUState *env;
308 
309     for(env = first_cpu; env != NULL; env = env->next_cpu) {
310         if (env->cpu_index == cpu_index) {
311             cur_mon->mon_cpu = env;
312             return 0;
313         }
314     }
315     return -1;
316 }
317 
mon_get_cpu(void)318 static CPUState *mon_get_cpu(void)
319 {
320     if (!cur_mon->mon_cpu) {
321         mon_set_cpu(0);
322     }
323     cpu_synchronize_state(cur_mon->mon_cpu, 0);
324     return cur_mon->mon_cpu;
325 }
326 
do_info_registers(Monitor * mon)327 static void do_info_registers(Monitor *mon)
328 {
329     CPUState *env;
330     env = mon_get_cpu();
331     if (!env)
332         return;
333 #ifdef TARGET_I386
334     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
335                    X86_DUMP_FPU);
336 #else
337     cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
338                    0);
339 #endif
340 }
341 
do_info_cpus(Monitor * mon)342 static void do_info_cpus(Monitor *mon)
343 {
344     CPUState *env;
345 
346     /* just to set the default cpu if not already done */
347     mon_get_cpu();
348 
349     for(env = first_cpu; env != NULL; env = env->next_cpu) {
350         cpu_synchronize_state(env, 0);
351         monitor_printf(mon, "%c CPU #%d:",
352                        (env == mon->mon_cpu) ? '*' : ' ',
353                        env->cpu_index);
354 #if defined(TARGET_I386)
355         monitor_printf(mon, " pc=0x" TARGET_FMT_lx,
356                        env->eip + env->segs[R_CS].base);
357 #elif defined(TARGET_PPC)
358         monitor_printf(mon, " nip=0x" TARGET_FMT_lx, env->nip);
359 #elif defined(TARGET_SPARC)
360         monitor_printf(mon, " pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx,
361                        env->pc, env->npc);
362 #elif defined(TARGET_MIPS)
363         monitor_printf(mon, " PC=0x" TARGET_FMT_lx, env->active_tc.PC);
364 #endif
365         if (env->halted)
366             monitor_printf(mon, " (halted)");
367         monitor_printf(mon, "\n");
368     }
369 }
370 
do_cpu_set(Monitor * mon,int index)371 static void do_cpu_set(Monitor *mon, int index)
372 {
373     if (mon_set_cpu(index) < 0)
374         monitor_printf(mon, "Invalid CPU index\n");
375 }
376 
do_info_jit(Monitor * mon)377 static void do_info_jit(Monitor *mon)
378 {
379     dump_exec_info((FILE *)mon, monitor_fprintf);
380 }
381 
do_info_history(Monitor * mon)382 static void do_info_history(Monitor *mon)
383 {
384     int i;
385     const char *str;
386 
387     if (!mon->rs)
388         return;
389     i = 0;
390     for(;;) {
391         str = readline_get_history(mon->rs, i);
392         if (!str)
393             break;
394         monitor_printf(mon, "%d: '%s'\n", i, str);
395         i++;
396     }
397 }
398 
399 #if defined(TARGET_PPC)
400 /* XXX: not implemented in other targets */
do_info_cpu_stats(Monitor * mon)401 static void do_info_cpu_stats(Monitor *mon)
402 {
403     CPUState *env;
404 
405     env = mon_get_cpu();
406     cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
407 }
408 #endif
409 
do_quit(Monitor * mon)410 static void do_quit(Monitor *mon)
411 {
412     exit(0);
413 }
414 
eject_device(Monitor * mon,BlockDriverState * bs,int force)415 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
416 {
417     if (bdrv_is_inserted(bs)) {
418         if (!force) {
419             if (!bdrv_is_removable(bs)) {
420                 monitor_printf(mon, "device is not removable\n");
421                 return -1;
422             }
423             if (bdrv_is_locked(bs)) {
424                 monitor_printf(mon, "device is locked\n");
425                 return -1;
426             }
427         }
428         bdrv_close(bs);
429     }
430     return 0;
431 }
432 
do_eject(Monitor * mon,int force,const char * filename)433 static void do_eject(Monitor *mon, int force, const char *filename)
434 {
435     BlockDriverState *bs;
436 
437     bs = bdrv_find(filename);
438     if (!bs) {
439         monitor_printf(mon, "device not found\n");
440         return;
441     }
442     eject_device(mon, bs, force);
443 }
444 
do_change_block(Monitor * mon,const char * device,const char * filename,const char * fmt)445 static void do_change_block(Monitor *mon, const char *device,
446                             const char *filename, const char *fmt)
447 {
448     BlockDriverState *bs;
449     BlockDriver *drv = NULL;
450 
451     bs = bdrv_find(device);
452     if (!bs) {
453         monitor_printf(mon, "device not found\n");
454         return;
455     }
456     if (fmt) {
457         drv = bdrv_find_format(fmt);
458         if (!drv) {
459             monitor_printf(mon, "invalid format %s\n", fmt);
460             return;
461         }
462     }
463     if (eject_device(mon, bs, 0) < 0)
464         return;
465     bdrv_open2(bs, filename, 0, drv);
466     monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
467 }
468 
change_vnc_password_cb(Monitor * mon,const char * password,void * opaque)469 static void change_vnc_password_cb(Monitor *mon, const char *password,
470                                    void *opaque)
471 {
472     if (vnc_display_password(NULL, password) < 0)
473         monitor_printf(mon, "could not set VNC server password\n");
474 
475     monitor_read_command(mon, 1);
476 }
477 
do_change_vnc(Monitor * mon,const char * target,const char * arg)478 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
479 {
480     if (strcmp(target, "passwd") == 0 ||
481         strcmp(target, "password") == 0) {
482         if (arg) {
483             char password[9];
484             strncpy(password, arg, sizeof(password));
485             password[sizeof(password) - 1] = '\0';
486             change_vnc_password_cb(mon, password, NULL);
487         } else {
488             monitor_read_password(mon, change_vnc_password_cb, NULL);
489         }
490     } else {
491         if (vnc_display_open(NULL, target) < 0)
492             monitor_printf(mon, "could not start VNC server on %s\n", target);
493     }
494 }
495 
do_change(Monitor * mon,const char * device,const char * target,const char * arg)496 static void do_change(Monitor *mon, const char *device, const char *target,
497                       const char *arg)
498 {
499     if (strcmp(device, "vnc") == 0) {
500         do_change_vnc(mon, target, arg);
501     } else {
502         do_change_block(mon, device, target, arg);
503     }
504 }
505 
do_screen_dump(Monitor * mon,const char * filename)506 static void do_screen_dump(Monitor *mon, const char *filename)
507 {
508     vga_hw_screen_dump(filename);
509 }
510 
do_logfile(Monitor * mon,const char * filename)511 static void do_logfile(Monitor *mon, const char *filename)
512 {
513     cpu_set_log_filename(filename);
514 }
515 
do_log(Monitor * mon,const char * items)516 static void do_log(Monitor *mon, const char *items)
517 {
518     int mask;
519 
520     if (!strcmp(items, "none")) {
521         mask = 0;
522     } else {
523         mask = cpu_str_to_log_mask(items);
524         if (!mask) {
525             help_cmd(mon, "log");
526             return;
527         }
528     }
529     cpu_set_log(mask);
530 }
531 
do_singlestep(Monitor * mon,const char * option)532 static void do_singlestep(Monitor *mon, const char *option)
533 {
534     if (!option || !strcmp(option, "on")) {
535         singlestep = 1;
536     } else if (!strcmp(option, "off")) {
537         singlestep = 0;
538     } else {
539         monitor_printf(mon, "unexpected option %s\n", option);
540     }
541 }
542 
do_stop(Monitor * mon)543 static void do_stop(Monitor *mon)
544 {
545     vm_stop(EXCP_INTERRUPT);
546 }
547 
548 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
549 
550 struct bdrv_iterate_context {
551     Monitor *mon;
552     int err;
553 };
554 
do_cont(Monitor * mon)555 static void do_cont(Monitor *mon)
556 {
557     struct bdrv_iterate_context context = { mon, 0 };
558 
559     bdrv_iterate(encrypted_bdrv_it, &context);
560     /* only resume the vm if all keys are set and valid */
561     if (!context.err)
562         vm_start();
563 }
564 
bdrv_key_cb(void * opaque,int err)565 static void bdrv_key_cb(void *opaque, int err)
566 {
567     Monitor *mon = opaque;
568 
569     /* another key was set successfully, retry to continue */
570     if (!err)
571         do_cont(mon);
572 }
573 
encrypted_bdrv_it(void * opaque,BlockDriverState * bs)574 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
575 {
576     struct bdrv_iterate_context *context = opaque;
577 
578     if (!context->err && bdrv_key_required(bs)) {
579         context->err = -EBUSY;
580         monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
581                                     context->mon);
582     }
583 }
584 
do_gdbserver(Monitor * mon,const char * device)585 static void do_gdbserver(Monitor *mon, const char *device)
586 {
587     if (!device)
588         device = "tcp::" DEFAULT_GDBSTUB_PORT;
589     if (gdbserver_start(device) < 0) {
590         monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
591                        device);
592     } else if (strcmp(device, "none") == 0) {
593         monitor_printf(mon, "Disabled gdbserver\n");
594     } else {
595         monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
596                        device);
597     }
598 }
599 
do_watchdog_action(Monitor * mon,const char * action)600 static void do_watchdog_action(Monitor *mon, const char *action)
601 {
602     if (select_watchdog_action(action) == -1) {
603         monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
604     }
605 }
606 
monitor_printc(Monitor * mon,int c)607 static void monitor_printc(Monitor *mon, int c)
608 {
609     monitor_printf(mon, "'");
610     switch(c) {
611     case '\'':
612         monitor_printf(mon, "\\'");
613         break;
614     case '\\':
615         monitor_printf(mon, "\\\\");
616         break;
617     case '\n':
618         monitor_printf(mon, "\\n");
619         break;
620     case '\r':
621         monitor_printf(mon, "\\r");
622         break;
623     default:
624         if (c >= 32 && c <= 126) {
625             monitor_printf(mon, "%c", c);
626         } else {
627             monitor_printf(mon, "\\x%02x", c);
628         }
629         break;
630     }
631     monitor_printf(mon, "'");
632 }
633 
memory_dump(Monitor * mon,int count,int format,int wsize,target_phys_addr_t addr,int is_physical)634 static void memory_dump(Monitor *mon, int count, int format, int wsize,
635                         target_phys_addr_t addr, int is_physical)
636 {
637     CPUState *env;
638     int nb_per_line, l, line_size, i, max_digits, len;
639     uint8_t buf[16];
640     uint64_t v;
641 
642     if (format == 'i') {
643         int flags;
644         flags = 0;
645         env = mon_get_cpu();
646         if (!env && !is_physical)
647             return;
648 #ifdef TARGET_I386
649         if (wsize == 2) {
650             flags = 1;
651         } else if (wsize == 4) {
652             flags = 0;
653         } else {
654             /* as default we use the current CS size */
655             flags = 0;
656             if (env) {
657 #ifdef TARGET_X86_64
658                 if ((env->efer & MSR_EFER_LMA) &&
659                     (env->segs[R_CS].flags & DESC_L_MASK))
660                     flags = 2;
661                 else
662 #endif
663                 if (!(env->segs[R_CS].flags & DESC_B_MASK))
664                     flags = 1;
665             }
666         }
667 #endif
668         monitor_disas(mon, env, addr, count, is_physical, flags);
669         return;
670     }
671 
672     len = wsize * count;
673     if (wsize == 1)
674         line_size = 8;
675     else
676         line_size = 16;
677     nb_per_line = line_size / wsize;
678     max_digits = 0;
679 
680     switch(format) {
681     case 'o':
682         max_digits = (wsize * 8 + 2) / 3;
683         break;
684     default:
685     case 'x':
686         max_digits = (wsize * 8) / 4;
687         break;
688     case 'u':
689     case 'd':
690         max_digits = (wsize * 8 * 10 + 32) / 33;
691         break;
692     case 'c':
693         wsize = 1;
694         break;
695     }
696 
697     while (len > 0) {
698         if (is_physical)
699             monitor_printf(mon, TARGET_FMT_plx ":", addr);
700         else
701             monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
702         l = len;
703         if (l > line_size)
704             l = line_size;
705         if (is_physical) {
706             cpu_physical_memory_rw(addr, buf, l, 0);
707         } else {
708             env = mon_get_cpu();
709             if (!env)
710                 break;
711             if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
712                 monitor_printf(mon, " Cannot access memory\n");
713                 break;
714             }
715         }
716         i = 0;
717         while (i < l) {
718             switch(wsize) {
719             default:
720             case 1:
721                 v = ldub_raw(buf + i);
722                 break;
723             case 2:
724                 v = lduw_raw(buf + i);
725                 break;
726             case 4:
727                 v = (uint32_t)ldl_raw(buf + i);
728                 break;
729             case 8:
730                 v = ldq_raw(buf + i);
731                 break;
732             }
733             monitor_printf(mon, " ");
734             switch(format) {
735             case 'o':
736                 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
737                 break;
738             case 'x':
739                 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
740                 break;
741             case 'u':
742                 monitor_printf(mon, "%*" PRIu64, max_digits, v);
743                 break;
744             case 'd':
745                 monitor_printf(mon, "%*" PRId64, max_digits, v);
746                 break;
747             case 'c':
748                 monitor_printc(mon, v);
749                 break;
750             }
751             i += wsize;
752         }
753         monitor_printf(mon, "\n");
754         addr += l;
755         len -= l;
756     }
757 }
758 
759 #if TARGET_LONG_BITS == 64
760 #define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
761 #else
762 #define GET_TLONG(h, l) (l)
763 #endif
764 
do_memory_dump(Monitor * mon,int count,int format,int size,uint32_t addrh,uint32_t addrl)765 static void do_memory_dump(Monitor *mon, int count, int format, int size,
766                            uint32_t addrh, uint32_t addrl)
767 {
768     target_long addr = GET_TLONG(addrh, addrl);
769     memory_dump(mon, count, format, size, addr, 0);
770 }
771 
772 #if TARGET_PHYS_ADDR_BITS > 32
773 #define GET_TPHYSADDR(h, l) (((uint64_t)(h) << 32) | (l))
774 #else
775 #define GET_TPHYSADDR(h, l) (l)
776 #endif
777 
do_physical_memory_dump(Monitor * mon,int count,int format,int size,uint32_t addrh,uint32_t addrl)778 static void do_physical_memory_dump(Monitor *mon, int count, int format,
779                                     int size, uint32_t addrh, uint32_t addrl)
780 
781 {
782     target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
783     memory_dump(mon, count, format, size, addr, 1);
784 }
785 
do_print(Monitor * mon,int count,int format,int size,unsigned int valh,unsigned int vall)786 static void do_print(Monitor *mon, int count, int format, int size,
787                      unsigned int valh, unsigned int vall)
788 {
789     target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
790 #if TARGET_PHYS_ADDR_BITS == 32
791     switch(format) {
792     case 'o':
793         monitor_printf(mon, "%#o", val);
794         break;
795     case 'x':
796         monitor_printf(mon, "%#x", val);
797         break;
798     case 'u':
799         monitor_printf(mon, "%u", val);
800         break;
801     default:
802     case 'd':
803         monitor_printf(mon, "%d", val);
804         break;
805     case 'c':
806         monitor_printc(mon, val);
807         break;
808     }
809 #else
810     switch(format) {
811     case 'o':
812         monitor_printf(mon, "%#" PRIo64, val);
813         break;
814     case 'x':
815         monitor_printf(mon, "%#" PRIx64, val);
816         break;
817     case 'u':
818         monitor_printf(mon, "%" PRIu64, val);
819         break;
820     default:
821     case 'd':
822         monitor_printf(mon, "%" PRId64, val);
823         break;
824     case 'c':
825         monitor_printc(mon, val);
826         break;
827     }
828 #endif
829     monitor_printf(mon, "\n");
830 }
831 
do_memory_save(Monitor * mon,unsigned int valh,unsigned int vall,uint32_t size,const char * filename)832 static void do_memory_save(Monitor *mon, unsigned int valh, unsigned int vall,
833                            uint32_t size, const char *filename)
834 {
835     FILE *f;
836     target_long addr = GET_TLONG(valh, vall);
837     uint32_t l;
838     CPUState *env;
839     uint8_t buf[1024];
840 
841     env = mon_get_cpu();
842     if (!env)
843         return;
844 
845     f = fopen(filename, "wb");
846     if (!f) {
847         monitor_printf(mon, "could not open '%s'\n", filename);
848         return;
849     }
850     while (size != 0) {
851         l = sizeof(buf);
852         if (l > size)
853             l = size;
854         cpu_memory_rw_debug(env, addr, buf, l, 0);
855         fwrite(buf, 1, l, f);
856         addr += l;
857         size -= l;
858     }
859     fclose(f);
860 }
861 
do_physical_memory_save(Monitor * mon,unsigned int valh,unsigned int vall,uint32_t size,const char * filename)862 static void do_physical_memory_save(Monitor *mon, unsigned int valh,
863                                     unsigned int vall, uint32_t size,
864                                     const char *filename)
865 {
866     FILE *f;
867     uint32_t l;
868     uint8_t buf[1024];
869     target_phys_addr_t addr = GET_TPHYSADDR(valh, vall);
870 
871     f = fopen(filename, "wb");
872     if (!f) {
873         monitor_printf(mon, "could not open '%s'\n", filename);
874         return;
875     }
876     while (size != 0) {
877         l = sizeof(buf);
878         if (l > size)
879             l = size;
880         cpu_physical_memory_rw(addr, buf, l, 0);
881         fwrite(buf, 1, l, f);
882         fflush(f);
883         addr += l;
884         size -= l;
885     }
886     fclose(f);
887 }
888 
do_sum(Monitor * mon,uint32_t start,uint32_t size)889 static void do_sum(Monitor *mon, uint32_t start, uint32_t size)
890 {
891     uint32_t addr;
892     uint8_t buf[1];
893     uint16_t sum;
894 
895     sum = 0;
896     for(addr = start; addr < (start + size); addr++) {
897         cpu_physical_memory_rw(addr, buf, 1, 0);
898         /* BSD sum algorithm ('sum' Unix command) */
899         sum = (sum >> 1) | (sum << 15);
900         sum += buf[0];
901     }
902     monitor_printf(mon, "%05d\n", sum);
903 }
904 
905 typedef struct {
906     int keycode;
907     const char *name;
908 } KeyDef;
909 
910 static const KeyDef key_defs[] = {
911     { 0x2a, "shift" },
912     { 0x36, "shift_r" },
913 
914     { 0x38, "alt" },
915     { 0xb8, "alt_r" },
916     { 0x64, "altgr" },
917     { 0xe4, "altgr_r" },
918     { 0x1d, "ctrl" },
919     { 0x9d, "ctrl_r" },
920 
921     { 0xdd, "menu" },
922 
923     { 0x01, "esc" },
924 
925     { 0x02, "1" },
926     { 0x03, "2" },
927     { 0x04, "3" },
928     { 0x05, "4" },
929     { 0x06, "5" },
930     { 0x07, "6" },
931     { 0x08, "7" },
932     { 0x09, "8" },
933     { 0x0a, "9" },
934     { 0x0b, "0" },
935     { 0x0c, "minus" },
936     { 0x0d, "equal" },
937     { 0x0e, "backspace" },
938 
939     { 0x0f, "tab" },
940     { 0x10, "q" },
941     { 0x11, "w" },
942     { 0x12, "e" },
943     { 0x13, "r" },
944     { 0x14, "t" },
945     { 0x15, "y" },
946     { 0x16, "u" },
947     { 0x17, "i" },
948     { 0x18, "o" },
949     { 0x19, "p" },
950 
951     { 0x1c, "ret" },
952 
953     { 0x1e, "a" },
954     { 0x1f, "s" },
955     { 0x20, "d" },
956     { 0x21, "f" },
957     { 0x22, "g" },
958     { 0x23, "h" },
959     { 0x24, "j" },
960     { 0x25, "k" },
961     { 0x26, "l" },
962 
963     { 0x2c, "z" },
964     { 0x2d, "x" },
965     { 0x2e, "c" },
966     { 0x2f, "v" },
967     { 0x30, "b" },
968     { 0x31, "n" },
969     { 0x32, "m" },
970     { 0x33, "comma" },
971     { 0x34, "dot" },
972     { 0x35, "slash" },
973 
974     { 0x37, "asterisk" },
975 
976     { 0x39, "spc" },
977     { 0x3a, "caps_lock" },
978     { 0x3b, "f1" },
979     { 0x3c, "f2" },
980     { 0x3d, "f3" },
981     { 0x3e, "f4" },
982     { 0x3f, "f5" },
983     { 0x40, "f6" },
984     { 0x41, "f7" },
985     { 0x42, "f8" },
986     { 0x43, "f9" },
987     { 0x44, "f10" },
988     { 0x45, "num_lock" },
989     { 0x46, "scroll_lock" },
990 
991     { 0xb5, "kp_divide" },
992     { 0x37, "kp_multiply" },
993     { 0x4a, "kp_subtract" },
994     { 0x4e, "kp_add" },
995     { 0x9c, "kp_enter" },
996     { 0x53, "kp_decimal" },
997     { 0x54, "sysrq" },
998 
999     { 0x52, "kp_0" },
1000     { 0x4f, "kp_1" },
1001     { 0x50, "kp_2" },
1002     { 0x51, "kp_3" },
1003     { 0x4b, "kp_4" },
1004     { 0x4c, "kp_5" },
1005     { 0x4d, "kp_6" },
1006     { 0x47, "kp_7" },
1007     { 0x48, "kp_8" },
1008     { 0x49, "kp_9" },
1009 
1010     { 0x56, "<" },
1011 
1012     { 0x57, "f11" },
1013     { 0x58, "f12" },
1014 
1015     { 0xb7, "print" },
1016 
1017     { 0xc7, "home" },
1018     { 0xc9, "pgup" },
1019     { 0xd1, "pgdn" },
1020     { 0xcf, "end" },
1021 
1022     { 0xcb, "left" },
1023     { 0xc8, "up" },
1024     { 0xd0, "down" },
1025     { 0xcd, "right" },
1026 
1027     { 0xd2, "insert" },
1028     { 0xd3, "delete" },
1029 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1030     { 0xf0, "stop" },
1031     { 0xf1, "again" },
1032     { 0xf2, "props" },
1033     { 0xf3, "undo" },
1034     { 0xf4, "front" },
1035     { 0xf5, "copy" },
1036     { 0xf6, "open" },
1037     { 0xf7, "paste" },
1038     { 0xf8, "find" },
1039     { 0xf9, "cut" },
1040     { 0xfa, "lf" },
1041     { 0xfb, "help" },
1042     { 0xfc, "meta_l" },
1043     { 0xfd, "meta_r" },
1044     { 0xfe, "compose" },
1045 #endif
1046     { 0, NULL },
1047 };
1048 
get_keycode(const char * key)1049 static int get_keycode(const char *key)
1050 {
1051     const KeyDef *p;
1052     char *endp;
1053     int ret;
1054 
1055     for(p = key_defs; p->name != NULL; p++) {
1056         if (!strcmp(key, p->name))
1057             return p->keycode;
1058     }
1059     if (strstart(key, "0x", NULL)) {
1060         ret = strtoul(key, &endp, 0);
1061         if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1062             return ret;
1063     }
1064     return -1;
1065 }
1066 
1067 #define MAX_KEYCODES 16
1068 static uint8_t keycodes[MAX_KEYCODES];
1069 static int nb_pending_keycodes;
1070 static QEMUTimer *key_timer;
1071 
release_keys(void * opaque)1072 static void release_keys(void *opaque)
1073 {
1074     int keycode;
1075 
1076     while (nb_pending_keycodes > 0) {
1077         nb_pending_keycodes--;
1078         keycode = keycodes[nb_pending_keycodes];
1079         if (keycode & 0x80)
1080             kbd_put_keycode(0xe0);
1081         kbd_put_keycode(keycode | 0x80);
1082     }
1083 }
1084 
do_sendkey(Monitor * mon,const char * string,int has_hold_time,int hold_time)1085 static void do_sendkey(Monitor *mon, const char *string, int has_hold_time,
1086                        int hold_time)
1087 {
1088     char keyname_buf[16];
1089     char *separator;
1090     int keyname_len, keycode, i;
1091 
1092     if (nb_pending_keycodes > 0) {
1093         qemu_del_timer(key_timer);
1094         release_keys(NULL);
1095     }
1096     if (!has_hold_time)
1097         hold_time = 100;
1098     i = 0;
1099     while (1) {
1100         separator = strchr(string, '-');
1101         keyname_len = separator ? separator - string : strlen(string);
1102         if (keyname_len > 0) {
1103             pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1104             if (keyname_len > sizeof(keyname_buf) - 1) {
1105                 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1106                 return;
1107             }
1108             if (i == MAX_KEYCODES) {
1109                 monitor_printf(mon, "too many keys\n");
1110                 return;
1111             }
1112             keyname_buf[keyname_len] = 0;
1113             keycode = get_keycode(keyname_buf);
1114             if (keycode < 0) {
1115                 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1116                 return;
1117             }
1118             keycodes[i++] = keycode;
1119         }
1120         if (!separator)
1121             break;
1122         string = separator + 1;
1123     }
1124     nb_pending_keycodes = i;
1125     /* key down events */
1126     for (i = 0; i < nb_pending_keycodes; i++) {
1127         keycode = keycodes[i];
1128         if (keycode & 0x80)
1129             kbd_put_keycode(0xe0);
1130         kbd_put_keycode(keycode & 0x7f);
1131     }
1132     /* delayed key up events */
1133     qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1134                    muldiv64(get_ticks_per_sec(), hold_time, 1000));
1135 }
1136 
1137 static int mouse_button_state;
1138 
do_mouse_move(Monitor * mon,const char * dx_str,const char * dy_str,const char * dz_str)1139 static void do_mouse_move(Monitor *mon, const char *dx_str, const char *dy_str,
1140                           const char *dz_str)
1141 {
1142     int dx, dy, dz;
1143     dx = strtol(dx_str, NULL, 0);
1144     dy = strtol(dy_str, NULL, 0);
1145     dz = 0;
1146     if (dz_str)
1147         dz = strtol(dz_str, NULL, 0);
1148     kbd_mouse_event(dx, dy, dz, mouse_button_state);
1149 }
1150 
do_mouse_button(Monitor * mon,int button_state)1151 static void do_mouse_button(Monitor *mon, int button_state)
1152 {
1153     mouse_button_state = button_state;
1154     kbd_mouse_event(0, 0, 0, mouse_button_state);
1155 }
1156 
do_ioport_read(Monitor * mon,int count,int format,int size,int addr,int has_index,int index)1157 static void do_ioport_read(Monitor *mon, int count, int format, int size,
1158                            int addr, int has_index, int index)
1159 {
1160     uint32_t val;
1161     int suffix;
1162 
1163     if (has_index) {
1164         cpu_outb(addr & 0xffff, index & 0xff);
1165         addr++;
1166     }
1167     addr &= 0xffff;
1168 
1169     switch(size) {
1170     default:
1171     case 1:
1172         val = cpu_inb(addr);
1173         suffix = 'b';
1174         break;
1175     case 2:
1176         val = cpu_inw(addr);
1177         suffix = 'w';
1178         break;
1179     case 4:
1180         val = cpu_inl(addr);
1181         suffix = 'l';
1182         break;
1183     }
1184     monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1185                    suffix, addr, size * 2, val);
1186 }
1187 
1188 /* boot_set handler */
1189 static QEMUBootSetHandler *qemu_boot_set_handler = NULL;
1190 static void *boot_opaque;
1191 
qemu_register_boot_set(QEMUBootSetHandler * func,void * opaque)1192 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1193 {
1194     qemu_boot_set_handler = func;
1195     boot_opaque = opaque;
1196 }
1197 
do_boot_set(Monitor * mon,const char * bootdevice)1198 static void do_boot_set(Monitor *mon, const char *bootdevice)
1199 {
1200     int res;
1201 
1202     if (qemu_boot_set_handler)  {
1203         res = qemu_boot_set_handler(boot_opaque, bootdevice);
1204         if (res == 0)
1205             monitor_printf(mon, "boot device list now set to %s\n",
1206                            bootdevice);
1207         else
1208             monitor_printf(mon, "setting boot device list failed with "
1209                            "error %i\n", res);
1210     } else {
1211         monitor_printf(mon, "no function defined to set boot device list for "
1212                        "this architecture\n");
1213     }
1214 }
1215 
do_system_reset(Monitor * mon)1216 static void do_system_reset(Monitor *mon)
1217 {
1218     qemu_system_reset_request();
1219 }
1220 
do_system_powerdown(Monitor * mon)1221 static void do_system_powerdown(Monitor *mon)
1222 {
1223     qemu_system_powerdown_request();
1224 }
1225 
1226 #if defined(TARGET_I386)
print_pte(Monitor * mon,uint32_t addr,uint32_t pte,uint32_t mask)1227 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1228 {
1229     monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1230                    addr,
1231                    pte & mask,
1232                    pte & PG_GLOBAL_MASK ? 'G' : '-',
1233                    pte & PG_PSE_MASK ? 'P' : '-',
1234                    pte & PG_DIRTY_MASK ? 'D' : '-',
1235                    pte & PG_ACCESSED_MASK ? 'A' : '-',
1236                    pte & PG_PCD_MASK ? 'C' : '-',
1237                    pte & PG_PWT_MASK ? 'T' : '-',
1238                    pte & PG_USER_MASK ? 'U' : '-',
1239                    pte & PG_RW_MASK ? 'W' : '-');
1240 }
1241 
tlb_info(Monitor * mon)1242 static void tlb_info(Monitor *mon)
1243 {
1244     CPUState *env;
1245     int l1, l2;
1246     uint32_t pgd, pde, pte;
1247 
1248     env = mon_get_cpu();
1249     if (!env)
1250         return;
1251 
1252     if (!(env->cr[0] & CR0_PG_MASK)) {
1253         monitor_printf(mon, "PG disabled\n");
1254         return;
1255     }
1256     pgd = env->cr[3] & ~0xfff;
1257     for(l1 = 0; l1 < 1024; l1++) {
1258         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1259         pde = le32_to_cpu(pde);
1260         if (pde & PG_PRESENT_MASK) {
1261             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1262                 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1263             } else {
1264                 for(l2 = 0; l2 < 1024; l2++) {
1265                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1266                                              (uint8_t *)&pte, 4);
1267                     pte = le32_to_cpu(pte);
1268                     if (pte & PG_PRESENT_MASK) {
1269                         print_pte(mon, (l1 << 22) + (l2 << 12),
1270                                   pte & ~PG_PSE_MASK,
1271                                   ~0xfff);
1272                     }
1273                 }
1274             }
1275         }
1276     }
1277 }
1278 
mem_print(Monitor * mon,uint32_t * pstart,int * plast_prot,uint32_t end,int prot)1279 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1280                       uint32_t end, int prot)
1281 {
1282     int prot1;
1283     prot1 = *plast_prot;
1284     if (prot != prot1) {
1285         if (*pstart != -1) {
1286             monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1287                            *pstart, end, end - *pstart,
1288                            prot1 & PG_USER_MASK ? 'u' : '-',
1289                            'r',
1290                            prot1 & PG_RW_MASK ? 'w' : '-');
1291         }
1292         if (prot != 0)
1293             *pstart = end;
1294         else
1295             *pstart = -1;
1296         *plast_prot = prot;
1297     }
1298 }
1299 
mem_info(Monitor * mon)1300 static void mem_info(Monitor *mon)
1301 {
1302     CPUState *env;
1303     int l1, l2, prot, last_prot;
1304     uint32_t pgd, pde, pte, start, end;
1305 
1306     env = mon_get_cpu();
1307     if (!env)
1308         return;
1309 
1310     if (!(env->cr[0] & CR0_PG_MASK)) {
1311         monitor_printf(mon, "PG disabled\n");
1312         return;
1313     }
1314     pgd = env->cr[3] & ~0xfff;
1315     last_prot = 0;
1316     start = -1;
1317     for(l1 = 0; l1 < 1024; l1++) {
1318         cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1319         pde = le32_to_cpu(pde);
1320         end = l1 << 22;
1321         if (pde & PG_PRESENT_MASK) {
1322             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1323                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1324                 mem_print(mon, &start, &last_prot, end, prot);
1325             } else {
1326                 for(l2 = 0; l2 < 1024; l2++) {
1327                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1328                                              (uint8_t *)&pte, 4);
1329                     pte = le32_to_cpu(pte);
1330                     end = (l1 << 22) + (l2 << 12);
1331                     if (pte & PG_PRESENT_MASK) {
1332                         prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1333                     } else {
1334                         prot = 0;
1335                     }
1336                     mem_print(mon, &start, &last_prot, end, prot);
1337                 }
1338             }
1339         } else {
1340             prot = 0;
1341             mem_print(mon, &start, &last_prot, end, prot);
1342         }
1343     }
1344 }
1345 #endif
1346 
1347 #if defined(TARGET_SH4)
1348 
print_tlb(Monitor * mon,int idx,tlb_t * tlb)1349 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1350 {
1351     monitor_printf(mon, " tlb%i:\t"
1352                    "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1353                    "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1354                    "dirty=%hhu writethrough=%hhu\n",
1355                    idx,
1356                    tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1357                    tlb->v, tlb->sh, tlb->c, tlb->pr,
1358                    tlb->d, tlb->wt);
1359 }
1360 
tlb_info(Monitor * mon)1361 static void tlb_info(Monitor *mon)
1362 {
1363     CPUState *env = mon_get_cpu();
1364     int i;
1365 
1366     monitor_printf (mon, "ITLB:\n");
1367     for (i = 0 ; i < ITLB_SIZE ; i++)
1368         print_tlb (mon, i, &env->itlb[i]);
1369     monitor_printf (mon, "UTLB:\n");
1370     for (i = 0 ; i < UTLB_SIZE ; i++)
1371         print_tlb (mon, i, &env->utlb[i]);
1372 }
1373 
1374 #endif
1375 
do_info_kqemu(Monitor * mon)1376 static void do_info_kqemu(Monitor *mon)
1377 {
1378 #ifdef CONFIG_KQEMU
1379     CPUState *env;
1380     int val;
1381     val = 0;
1382     env = mon_get_cpu();
1383     if (!env) {
1384         monitor_printf(mon, "No cpu initialized yet");
1385         return;
1386     }
1387     val = env->kqemu_enabled;
1388     monitor_printf(mon, "kqemu support: ");
1389     switch(val) {
1390     default:
1391     case 0:
1392         monitor_printf(mon, "disabled\n");
1393         break;
1394     case 1:
1395         monitor_printf(mon, "enabled for user code\n");
1396         break;
1397     case 2:
1398         monitor_printf(mon, "enabled for user and kernel code\n");
1399         break;
1400     }
1401 #else
1402     monitor_printf(mon, "kqemu support: not compiled\n");
1403 #endif
1404 }
1405 
do_info_kvm(Monitor * mon)1406 static void do_info_kvm(Monitor *mon)
1407 {
1408 #ifdef CONFIG_KVM
1409     monitor_printf(mon, "kvm support: ");
1410     if (kvm_enabled())
1411         monitor_printf(mon, "enabled\n");
1412     else
1413         monitor_printf(mon, "disabled\n");
1414 #else
1415     monitor_printf(mon, "kvm support: not compiled\n");
1416 #endif
1417 }
1418 
do_info_numa(Monitor * mon)1419 static void do_info_numa(Monitor *mon)
1420 {
1421     int i;
1422     CPUState *env;
1423 
1424     monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1425     for (i = 0; i < nb_numa_nodes; i++) {
1426         monitor_printf(mon, "node %d cpus:", i);
1427         for (env = first_cpu; env != NULL; env = env->next_cpu) {
1428             if (env->numa_node == i) {
1429                 monitor_printf(mon, " %d", env->cpu_index);
1430             }
1431         }
1432         monitor_printf(mon, "\n");
1433         monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1434             node_mem[i] >> 20);
1435     }
1436 }
1437 
1438 #ifdef CONFIG_PROFILER
1439 
1440 int64_t kqemu_time;
1441 int64_t qemu_time;
1442 int64_t kqemu_exec_count;
1443 int64_t dev_time;
1444 int64_t kqemu_ret_int_count;
1445 int64_t kqemu_ret_excp_count;
1446 int64_t kqemu_ret_intr_count;
1447 
do_info_profile(Monitor * mon)1448 static void do_info_profile(Monitor *mon)
1449 {
1450     int64_t total;
1451     total = qemu_time;
1452     if (total == 0)
1453         total = 1;
1454     monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1455                    dev_time, dev_time / (double)ticks_per_sec);
1456     monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1457                    qemu_time, qemu_time / (double)ticks_per_sec);
1458     monitor_printf(mon, "kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%"
1459                         PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%"
1460                         PRId64 "\n",
1461                    kqemu_time, kqemu_time / (double)ticks_per_sec,
1462                    kqemu_time / (double)total * 100.0,
1463                    kqemu_exec_count,
1464                    kqemu_ret_int_count,
1465                    kqemu_ret_excp_count,
1466                    kqemu_ret_intr_count);
1467     qemu_time = 0;
1468     kqemu_time = 0;
1469     kqemu_exec_count = 0;
1470     dev_time = 0;
1471     kqemu_ret_int_count = 0;
1472     kqemu_ret_excp_count = 0;
1473     kqemu_ret_intr_count = 0;
1474 #ifdef CONFIG_KQEMU
1475     kqemu_record_dump();
1476 #endif
1477 }
1478 #else
do_info_profile(Monitor * mon)1479 static void do_info_profile(Monitor *mon)
1480 {
1481     monitor_printf(mon, "Internal profiler not compiled\n");
1482 }
1483 #endif
1484 
1485 /* Capture support */
1486 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1487 
do_info_capture(Monitor * mon)1488 static void do_info_capture(Monitor *mon)
1489 {
1490     int i;
1491     CaptureState *s;
1492 
1493     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1494         monitor_printf(mon, "[%d]: ", i);
1495         s->ops.info (s->opaque);
1496     }
1497 }
1498 
1499 #ifdef HAS_AUDIO
do_stop_capture(Monitor * mon,int n)1500 static void do_stop_capture(Monitor *mon, int n)
1501 {
1502     int i;
1503     CaptureState *s;
1504 
1505     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1506         if (i == n) {
1507             s->ops.destroy (s->opaque);
1508             QLIST_REMOVE (s, entries);
1509             qemu_free (s);
1510             return;
1511         }
1512     }
1513 }
1514 
do_wav_capture(Monitor * mon,const char * path,int has_freq,int freq,int has_bits,int bits,int has_channels,int nchannels)1515 static void do_wav_capture(Monitor *mon, const char *path,
1516                            int has_freq, int freq,
1517                            int has_bits, int bits,
1518                            int has_channels, int nchannels)
1519 {
1520     CaptureState *s;
1521 
1522     s = qemu_mallocz (sizeof (*s));
1523 
1524     freq = has_freq ? freq : 44100;
1525     bits = has_bits ? bits : 16;
1526     nchannels = has_channels ? nchannels : 2;
1527 
1528     if (wav_start_capture (s, path, freq, bits, nchannels)) {
1529         monitor_printf(mon, "Faied to add wave capture\n");
1530         qemu_free (s);
1531     }
1532     QLIST_INSERT_HEAD (&capture_head, s, entries);
1533 }
1534 #endif
1535 
1536 #if defined(TARGET_I386)
do_inject_nmi(Monitor * mon,int cpu_index)1537 static void do_inject_nmi(Monitor *mon, int cpu_index)
1538 {
1539     CPUState *env;
1540 
1541     for (env = first_cpu; env != NULL; env = env->next_cpu)
1542         if (env->cpu_index == cpu_index) {
1543             cpu_interrupt(env, CPU_INTERRUPT_NMI);
1544             break;
1545         }
1546 }
1547 #endif
1548 
do_info_status(Monitor * mon)1549 static void do_info_status(Monitor *mon)
1550 {
1551     if (vm_running) {
1552         if (singlestep) {
1553             monitor_printf(mon, "VM status: running (single step mode)\n");
1554         } else {
1555             monitor_printf(mon, "VM status: running\n");
1556         }
1557     } else
1558        monitor_printf(mon, "VM status: paused\n");
1559 }
1560 
1561 
do_balloon(Monitor * mon,int value)1562 static void do_balloon(Monitor *mon, int value)
1563 {
1564     ram_addr_t target = value;
1565     qemu_balloon(target << 20);
1566 }
1567 
do_info_balloon(Monitor * mon)1568 static void do_info_balloon(Monitor *mon)
1569 {
1570     ram_addr_t actual;
1571 
1572     actual = qemu_balloon_status();
1573     if (kvm_enabled() && !kvm_has_sync_mmu())
1574         monitor_printf(mon, "Using KVM without synchronous MMU, "
1575                        "ballooning disabled\n");
1576     else if (actual == 0)
1577         monitor_printf(mon, "Ballooning not activated in VM\n");
1578     else
1579         monitor_printf(mon, "balloon: actual=%d\n", (int)(actual >> 20));
1580 }
1581 
do_acl(Monitor * mon,const char * command,const char * aclname,const char * match,int has_index,int index)1582 static void do_acl(Monitor *mon,
1583                    const char *command,
1584                    const char *aclname,
1585                    const char *match,
1586                    int has_index,
1587                    int index)
1588 {
1589     qemu_acl *acl;
1590 
1591     acl = qemu_acl_find(aclname);
1592     if (!acl) {
1593         monitor_printf(mon, "acl: unknown list '%s'\n", aclname);
1594         return;
1595     }
1596 
1597     if (strcmp(command, "show") == 0) {
1598         int i = 0;
1599         qemu_acl_entry *entry;
1600         monitor_printf(mon, "policy: %s\n",
1601                        acl->defaultDeny ? "deny" : "allow");
1602         QTAILQ_FOREACH(entry, &acl->entries, next) {
1603             i++;
1604             monitor_printf(mon, "%d: %s %s\n", i,
1605                            entry->deny ? "deny" : "allow",
1606                            entry->match);
1607         }
1608     } else if (strcmp(command, "reset") == 0) {
1609         qemu_acl_reset(acl);
1610         monitor_printf(mon, "acl: removed all rules\n");
1611     } else if (strcmp(command, "policy") == 0) {
1612         if (!match) {
1613             monitor_printf(mon, "acl: missing policy parameter\n");
1614             return;
1615         }
1616 
1617         if (strcmp(match, "allow") == 0) {
1618             acl->defaultDeny = 0;
1619             monitor_printf(mon, "acl: policy set to 'allow'\n");
1620         } else if (strcmp(match, "deny") == 0) {
1621             acl->defaultDeny = 1;
1622             monitor_printf(mon, "acl: policy set to 'deny'\n");
1623         } else {
1624             monitor_printf(mon, "acl: unknown policy '%s', expected 'deny' or 'allow'\n", match);
1625         }
1626     } else if ((strcmp(command, "allow") == 0) ||
1627                (strcmp(command, "deny") == 0)) {
1628         int deny = strcmp(command, "deny") == 0 ? 1 : 0;
1629         int ret;
1630 
1631         if (!match) {
1632             monitor_printf(mon, "acl: missing match parameter\n");
1633             return;
1634         }
1635 
1636         if (has_index)
1637             ret = qemu_acl_insert(acl, deny, match, index);
1638         else
1639             ret = qemu_acl_append(acl, deny, match);
1640         if (ret < 0)
1641             monitor_printf(mon, "acl: unable to add acl entry\n");
1642         else
1643             monitor_printf(mon, "acl: added rule at position %d\n", ret);
1644     } else if (strcmp(command, "remove") == 0) {
1645         int ret;
1646 
1647         if (!match) {
1648             monitor_printf(mon, "acl: missing match parameter\n");
1649             return;
1650         }
1651 
1652         ret = qemu_acl_remove(acl, match);
1653         if (ret < 0)
1654             monitor_printf(mon, "acl: no matching acl entry\n");
1655         else
1656             monitor_printf(mon, "acl: removed rule at position %d\n", ret);
1657     } else {
1658         monitor_printf(mon, "acl: unknown command '%s'\n", command);
1659     }
1660 }
1661 
1662 static const mon_cmd_t mon_cmds[] = {
1663 #include "qemu-monitor.h"
1664     { NULL, NULL, },
1665 };
1666 
1667 /* Please update qemu-monitor.hx when adding or changing commands */
1668 static const mon_cmd_t info_cmds[] = {
1669     { "version", "", do_info_version,
1670       "", "show the version of QEMU" },
1671     { "network", "", do_info_network,
1672       "", "show the network state" },
1673     { "chardev", "", qemu_chr_info,
1674       "", "show the character devices" },
1675     { "block", "", bdrv_info,
1676       "", "show the block devices" },
1677     { "blockstats", "", bdrv_info_stats,
1678       "", "show block device statistics" },
1679     { "registers", "", do_info_registers,
1680       "", "show the cpu registers" },
1681     { "cpus", "", do_info_cpus,
1682       "", "show infos for each CPU" },
1683     { "history", "", do_info_history,
1684       "", "show the command line history", },
1685     { "irq", "", irq_info,
1686       "", "show the interrupts statistics (if available)", },
1687     { "pic", "", pic_info,
1688       "", "show i8259 (PIC) state", },
1689     { "pci", "", pci_info,
1690       "", "show PCI info", },
1691 #if defined(TARGET_I386) || defined(TARGET_SH4)
1692     { "tlb", "", tlb_info,
1693       "", "show virtual to physical memory mappings", },
1694 #endif
1695 #if defined(TARGET_I386)
1696     { "mem", "", mem_info,
1697       "", "show the active virtual memory mappings", },
1698     { "hpet", "", do_info_hpet,
1699       "", "show state of HPET", },
1700 #endif
1701     { "jit", "", do_info_jit,
1702       "", "show dynamic compiler info", },
1703     { "kqemu", "", do_info_kqemu,
1704       "", "show KQEMU information", },
1705     { "kvm", "", do_info_kvm,
1706       "", "show KVM information", },
1707     { "numa", "", do_info_numa,
1708       "", "show NUMA information", },
1709     { "usb", "", usb_info,
1710       "", "show guest USB devices", },
1711     { "usbhost", "", usb_host_info,
1712       "", "show host USB devices", },
1713     { "profile", "", do_info_profile,
1714       "", "show profiling information", },
1715     { "capture", "", do_info_capture,
1716       "", "show capture information" },
1717     { "snapshots", "", do_info_snapshots,
1718       "", "show the currently saved VM snapshots" },
1719     { "status", "", do_info_status,
1720       "", "show the current VM status (running|paused)" },
1721     { "pcmcia", "", pcmcia_info,
1722       "", "show guest PCMCIA status" },
1723     { "mice", "", do_info_mice,
1724       "", "show which guest mouse is receiving events" },
1725     { "vnc", "", do_info_vnc,
1726       "", "show the vnc server status"},
1727     { "name", "", do_info_name,
1728       "", "show the current VM name" },
1729     { "uuid", "", do_info_uuid,
1730       "", "show the current VM UUID" },
1731 #if defined(TARGET_PPC)
1732     { "cpustats", "", do_info_cpu_stats,
1733       "", "show CPU statistics", },
1734 #endif
1735 #if defined(CONFIG_SLIRP)
1736     { "slirp", "", do_info_slirp,
1737       "", "show SLIRP statistics", },
1738 #endif
1739     { "migrate", "", do_info_migrate, "", "show migration status" },
1740     { "balloon", "", do_info_balloon,
1741       "", "show balloon information" },
1742     { "qtree", "", do_info_qtree,
1743       "", "show device tree" },
1744     { NULL, NULL, },
1745 };
1746 
1747 /*******************************************************************/
1748 
1749 static const char *pch;
1750 static jmp_buf expr_env;
1751 
1752 #define MD_TLONG 0
1753 #define MD_I32   1
1754 
1755 typedef struct MonitorDef {
1756     const char *name;
1757     int offset;
1758     target_long (*get_value)(const struct MonitorDef *md, int val);
1759     int type;
1760 } MonitorDef;
1761 
1762 #if defined(TARGET_I386)
monitor_get_pc(const struct MonitorDef * md,int val)1763 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
1764 {
1765     CPUState *env = mon_get_cpu();
1766     if (!env)
1767         return 0;
1768     return env->eip + env->segs[R_CS].base;
1769 }
1770 #endif
1771 
1772 #if defined(TARGET_PPC)
monitor_get_ccr(const struct MonitorDef * md,int val)1773 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
1774 {
1775     CPUState *env = mon_get_cpu();
1776     unsigned int u;
1777     int i;
1778 
1779     if (!env)
1780         return 0;
1781 
1782     u = 0;
1783     for (i = 0; i < 8; i++)
1784         u |= env->crf[i] << (32 - (4 * i));
1785 
1786     return u;
1787 }
1788 
monitor_get_msr(const struct MonitorDef * md,int val)1789 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
1790 {
1791     CPUState *env = mon_get_cpu();
1792     if (!env)
1793         return 0;
1794     return env->msr;
1795 }
1796 
monitor_get_xer(const struct MonitorDef * md,int val)1797 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
1798 {
1799     CPUState *env = mon_get_cpu();
1800     if (!env)
1801         return 0;
1802     return env->xer;
1803 }
1804 
monitor_get_decr(const struct MonitorDef * md,int val)1805 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
1806 {
1807     CPUState *env = mon_get_cpu();
1808     if (!env)
1809         return 0;
1810     return cpu_ppc_load_decr(env);
1811 }
1812 
monitor_get_tbu(const struct MonitorDef * md,int val)1813 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
1814 {
1815     CPUState *env = mon_get_cpu();
1816     if (!env)
1817         return 0;
1818     return cpu_ppc_load_tbu(env);
1819 }
1820 
monitor_get_tbl(const struct MonitorDef * md,int val)1821 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
1822 {
1823     CPUState *env = mon_get_cpu();
1824     if (!env)
1825         return 0;
1826     return cpu_ppc_load_tbl(env);
1827 }
1828 #endif
1829 
1830 #if defined(TARGET_SPARC)
1831 #ifndef TARGET_SPARC64
monitor_get_psr(const struct MonitorDef * md,int val)1832 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
1833 {
1834     CPUState *env = mon_get_cpu();
1835     if (!env)
1836         return 0;
1837     return GET_PSR(env);
1838 }
1839 #endif
1840 
monitor_get_reg(const struct MonitorDef * md,int val)1841 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
1842 {
1843     CPUState *env = mon_get_cpu();
1844     if (!env)
1845         return 0;
1846     return env->regwptr[val];
1847 }
1848 #endif
1849 
1850 static const MonitorDef monitor_defs[] = {
1851 #ifdef TARGET_I386
1852 
1853 #define SEG(name, seg) \
1854     { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
1855     { name ".base", offsetof(CPUState, segs[seg].base) },\
1856     { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
1857 
1858     { "eax", offsetof(CPUState, regs[0]) },
1859     { "ecx", offsetof(CPUState, regs[1]) },
1860     { "edx", offsetof(CPUState, regs[2]) },
1861     { "ebx", offsetof(CPUState, regs[3]) },
1862     { "esp|sp", offsetof(CPUState, regs[4]) },
1863     { "ebp|fp", offsetof(CPUState, regs[5]) },
1864     { "esi", offsetof(CPUState, regs[6]) },
1865     { "edi", offsetof(CPUState, regs[7]) },
1866 #ifdef TARGET_X86_64
1867     { "r8", offsetof(CPUState, regs[8]) },
1868     { "r9", offsetof(CPUState, regs[9]) },
1869     { "r10", offsetof(CPUState, regs[10]) },
1870     { "r11", offsetof(CPUState, regs[11]) },
1871     { "r12", offsetof(CPUState, regs[12]) },
1872     { "r13", offsetof(CPUState, regs[13]) },
1873     { "r14", offsetof(CPUState, regs[14]) },
1874     { "r15", offsetof(CPUState, regs[15]) },
1875 #endif
1876     { "eflags", offsetof(CPUState, eflags) },
1877     { "eip", offsetof(CPUState, eip) },
1878     SEG("cs", R_CS)
1879     SEG("ds", R_DS)
1880     SEG("es", R_ES)
1881     SEG("ss", R_SS)
1882     SEG("fs", R_FS)
1883     SEG("gs", R_GS)
1884     { "pc", 0, monitor_get_pc, },
1885 #elif defined(TARGET_PPC)
1886     /* General purpose registers */
1887     { "r0", offsetof(CPUState, gpr[0]) },
1888     { "r1", offsetof(CPUState, gpr[1]) },
1889     { "r2", offsetof(CPUState, gpr[2]) },
1890     { "r3", offsetof(CPUState, gpr[3]) },
1891     { "r4", offsetof(CPUState, gpr[4]) },
1892     { "r5", offsetof(CPUState, gpr[5]) },
1893     { "r6", offsetof(CPUState, gpr[6]) },
1894     { "r7", offsetof(CPUState, gpr[7]) },
1895     { "r8", offsetof(CPUState, gpr[8]) },
1896     { "r9", offsetof(CPUState, gpr[9]) },
1897     { "r10", offsetof(CPUState, gpr[10]) },
1898     { "r11", offsetof(CPUState, gpr[11]) },
1899     { "r12", offsetof(CPUState, gpr[12]) },
1900     { "r13", offsetof(CPUState, gpr[13]) },
1901     { "r14", offsetof(CPUState, gpr[14]) },
1902     { "r15", offsetof(CPUState, gpr[15]) },
1903     { "r16", offsetof(CPUState, gpr[16]) },
1904     { "r17", offsetof(CPUState, gpr[17]) },
1905     { "r18", offsetof(CPUState, gpr[18]) },
1906     { "r19", offsetof(CPUState, gpr[19]) },
1907     { "r20", offsetof(CPUState, gpr[20]) },
1908     { "r21", offsetof(CPUState, gpr[21]) },
1909     { "r22", offsetof(CPUState, gpr[22]) },
1910     { "r23", offsetof(CPUState, gpr[23]) },
1911     { "r24", offsetof(CPUState, gpr[24]) },
1912     { "r25", offsetof(CPUState, gpr[25]) },
1913     { "r26", offsetof(CPUState, gpr[26]) },
1914     { "r27", offsetof(CPUState, gpr[27]) },
1915     { "r28", offsetof(CPUState, gpr[28]) },
1916     { "r29", offsetof(CPUState, gpr[29]) },
1917     { "r30", offsetof(CPUState, gpr[30]) },
1918     { "r31", offsetof(CPUState, gpr[31]) },
1919     /* Floating point registers */
1920     { "f0", offsetof(CPUState, fpr[0]) },
1921     { "f1", offsetof(CPUState, fpr[1]) },
1922     { "f2", offsetof(CPUState, fpr[2]) },
1923     { "f3", offsetof(CPUState, fpr[3]) },
1924     { "f4", offsetof(CPUState, fpr[4]) },
1925     { "f5", offsetof(CPUState, fpr[5]) },
1926     { "f6", offsetof(CPUState, fpr[6]) },
1927     { "f7", offsetof(CPUState, fpr[7]) },
1928     { "f8", offsetof(CPUState, fpr[8]) },
1929     { "f9", offsetof(CPUState, fpr[9]) },
1930     { "f10", offsetof(CPUState, fpr[10]) },
1931     { "f11", offsetof(CPUState, fpr[11]) },
1932     { "f12", offsetof(CPUState, fpr[12]) },
1933     { "f13", offsetof(CPUState, fpr[13]) },
1934     { "f14", offsetof(CPUState, fpr[14]) },
1935     { "f15", offsetof(CPUState, fpr[15]) },
1936     { "f16", offsetof(CPUState, fpr[16]) },
1937     { "f17", offsetof(CPUState, fpr[17]) },
1938     { "f18", offsetof(CPUState, fpr[18]) },
1939     { "f19", offsetof(CPUState, fpr[19]) },
1940     { "f20", offsetof(CPUState, fpr[20]) },
1941     { "f21", offsetof(CPUState, fpr[21]) },
1942     { "f22", offsetof(CPUState, fpr[22]) },
1943     { "f23", offsetof(CPUState, fpr[23]) },
1944     { "f24", offsetof(CPUState, fpr[24]) },
1945     { "f25", offsetof(CPUState, fpr[25]) },
1946     { "f26", offsetof(CPUState, fpr[26]) },
1947     { "f27", offsetof(CPUState, fpr[27]) },
1948     { "f28", offsetof(CPUState, fpr[28]) },
1949     { "f29", offsetof(CPUState, fpr[29]) },
1950     { "f30", offsetof(CPUState, fpr[30]) },
1951     { "f31", offsetof(CPUState, fpr[31]) },
1952     { "fpscr", offsetof(CPUState, fpscr) },
1953     /* Next instruction pointer */
1954     { "nip|pc", offsetof(CPUState, nip) },
1955     { "lr", offsetof(CPUState, lr) },
1956     { "ctr", offsetof(CPUState, ctr) },
1957     { "decr", 0, &monitor_get_decr, },
1958     { "ccr", 0, &monitor_get_ccr, },
1959     /* Machine state register */
1960     { "msr", 0, &monitor_get_msr, },
1961     { "xer", 0, &monitor_get_xer, },
1962     { "tbu", 0, &monitor_get_tbu, },
1963     { "tbl", 0, &monitor_get_tbl, },
1964 #if defined(TARGET_PPC64)
1965     /* Address space register */
1966     { "asr", offsetof(CPUState, asr) },
1967 #endif
1968     /* Segment registers */
1969     { "sdr1", offsetof(CPUState, sdr1) },
1970     { "sr0", offsetof(CPUState, sr[0]) },
1971     { "sr1", offsetof(CPUState, sr[1]) },
1972     { "sr2", offsetof(CPUState, sr[2]) },
1973     { "sr3", offsetof(CPUState, sr[3]) },
1974     { "sr4", offsetof(CPUState, sr[4]) },
1975     { "sr5", offsetof(CPUState, sr[5]) },
1976     { "sr6", offsetof(CPUState, sr[6]) },
1977     { "sr7", offsetof(CPUState, sr[7]) },
1978     { "sr8", offsetof(CPUState, sr[8]) },
1979     { "sr9", offsetof(CPUState, sr[9]) },
1980     { "sr10", offsetof(CPUState, sr[10]) },
1981     { "sr11", offsetof(CPUState, sr[11]) },
1982     { "sr12", offsetof(CPUState, sr[12]) },
1983     { "sr13", offsetof(CPUState, sr[13]) },
1984     { "sr14", offsetof(CPUState, sr[14]) },
1985     { "sr15", offsetof(CPUState, sr[15]) },
1986     /* Too lazy to put BATs and SPRs ... */
1987 #elif defined(TARGET_SPARC)
1988     { "g0", offsetof(CPUState, gregs[0]) },
1989     { "g1", offsetof(CPUState, gregs[1]) },
1990     { "g2", offsetof(CPUState, gregs[2]) },
1991     { "g3", offsetof(CPUState, gregs[3]) },
1992     { "g4", offsetof(CPUState, gregs[4]) },
1993     { "g5", offsetof(CPUState, gregs[5]) },
1994     { "g6", offsetof(CPUState, gregs[6]) },
1995     { "g7", offsetof(CPUState, gregs[7]) },
1996     { "o0", 0, monitor_get_reg },
1997     { "o1", 1, monitor_get_reg },
1998     { "o2", 2, monitor_get_reg },
1999     { "o3", 3, monitor_get_reg },
2000     { "o4", 4, monitor_get_reg },
2001     { "o5", 5, monitor_get_reg },
2002     { "o6", 6, monitor_get_reg },
2003     { "o7", 7, monitor_get_reg },
2004     { "l0", 8, monitor_get_reg },
2005     { "l1", 9, monitor_get_reg },
2006     { "l2", 10, monitor_get_reg },
2007     { "l3", 11, monitor_get_reg },
2008     { "l4", 12, monitor_get_reg },
2009     { "l5", 13, monitor_get_reg },
2010     { "l6", 14, monitor_get_reg },
2011     { "l7", 15, monitor_get_reg },
2012     { "i0", 16, monitor_get_reg },
2013     { "i1", 17, monitor_get_reg },
2014     { "i2", 18, monitor_get_reg },
2015     { "i3", 19, monitor_get_reg },
2016     { "i4", 20, monitor_get_reg },
2017     { "i5", 21, monitor_get_reg },
2018     { "i6", 22, monitor_get_reg },
2019     { "i7", 23, monitor_get_reg },
2020     { "pc", offsetof(CPUState, pc) },
2021     { "npc", offsetof(CPUState, npc) },
2022     { "y", offsetof(CPUState, y) },
2023 #ifndef TARGET_SPARC64
2024     { "psr", 0, &monitor_get_psr, },
2025     { "wim", offsetof(CPUState, wim) },
2026 #endif
2027     { "tbr", offsetof(CPUState, tbr) },
2028     { "fsr", offsetof(CPUState, fsr) },
2029     { "f0", offsetof(CPUState, fpr[0]) },
2030     { "f1", offsetof(CPUState, fpr[1]) },
2031     { "f2", offsetof(CPUState, fpr[2]) },
2032     { "f3", offsetof(CPUState, fpr[3]) },
2033     { "f4", offsetof(CPUState, fpr[4]) },
2034     { "f5", offsetof(CPUState, fpr[5]) },
2035     { "f6", offsetof(CPUState, fpr[6]) },
2036     { "f7", offsetof(CPUState, fpr[7]) },
2037     { "f8", offsetof(CPUState, fpr[8]) },
2038     { "f9", offsetof(CPUState, fpr[9]) },
2039     { "f10", offsetof(CPUState, fpr[10]) },
2040     { "f11", offsetof(CPUState, fpr[11]) },
2041     { "f12", offsetof(CPUState, fpr[12]) },
2042     { "f13", offsetof(CPUState, fpr[13]) },
2043     { "f14", offsetof(CPUState, fpr[14]) },
2044     { "f15", offsetof(CPUState, fpr[15]) },
2045     { "f16", offsetof(CPUState, fpr[16]) },
2046     { "f17", offsetof(CPUState, fpr[17]) },
2047     { "f18", offsetof(CPUState, fpr[18]) },
2048     { "f19", offsetof(CPUState, fpr[19]) },
2049     { "f20", offsetof(CPUState, fpr[20]) },
2050     { "f21", offsetof(CPUState, fpr[21]) },
2051     { "f22", offsetof(CPUState, fpr[22]) },
2052     { "f23", offsetof(CPUState, fpr[23]) },
2053     { "f24", offsetof(CPUState, fpr[24]) },
2054     { "f25", offsetof(CPUState, fpr[25]) },
2055     { "f26", offsetof(CPUState, fpr[26]) },
2056     { "f27", offsetof(CPUState, fpr[27]) },
2057     { "f28", offsetof(CPUState, fpr[28]) },
2058     { "f29", offsetof(CPUState, fpr[29]) },
2059     { "f30", offsetof(CPUState, fpr[30]) },
2060     { "f31", offsetof(CPUState, fpr[31]) },
2061 #ifdef TARGET_SPARC64
2062     { "f32", offsetof(CPUState, fpr[32]) },
2063     { "f34", offsetof(CPUState, fpr[34]) },
2064     { "f36", offsetof(CPUState, fpr[36]) },
2065     { "f38", offsetof(CPUState, fpr[38]) },
2066     { "f40", offsetof(CPUState, fpr[40]) },
2067     { "f42", offsetof(CPUState, fpr[42]) },
2068     { "f44", offsetof(CPUState, fpr[44]) },
2069     { "f46", offsetof(CPUState, fpr[46]) },
2070     { "f48", offsetof(CPUState, fpr[48]) },
2071     { "f50", offsetof(CPUState, fpr[50]) },
2072     { "f52", offsetof(CPUState, fpr[52]) },
2073     { "f54", offsetof(CPUState, fpr[54]) },
2074     { "f56", offsetof(CPUState, fpr[56]) },
2075     { "f58", offsetof(CPUState, fpr[58]) },
2076     { "f60", offsetof(CPUState, fpr[60]) },
2077     { "f62", offsetof(CPUState, fpr[62]) },
2078     { "asi", offsetof(CPUState, asi) },
2079     { "pstate", offsetof(CPUState, pstate) },
2080     { "cansave", offsetof(CPUState, cansave) },
2081     { "canrestore", offsetof(CPUState, canrestore) },
2082     { "otherwin", offsetof(CPUState, otherwin) },
2083     { "wstate", offsetof(CPUState, wstate) },
2084     { "cleanwin", offsetof(CPUState, cleanwin) },
2085     { "fprs", offsetof(CPUState, fprs) },
2086 #endif
2087 #endif
2088     { NULL },
2089 };
2090 
expr_error(Monitor * mon,const char * msg)2091 static void expr_error(Monitor *mon, const char *msg)
2092 {
2093     monitor_printf(mon, "%s\n", msg);
2094     longjmp(expr_env, 1);
2095 }
2096 
2097 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
get_monitor_def(target_long * pval,const char * name)2098 static int get_monitor_def(target_long *pval, const char *name)
2099 {
2100     const MonitorDef *md;
2101     void *ptr;
2102 
2103     for(md = monitor_defs; md->name != NULL; md++) {
2104         if (compare_cmd(name, md->name)) {
2105             if (md->get_value) {
2106                 *pval = md->get_value(md, md->offset);
2107             } else {
2108                 CPUState *env = mon_get_cpu();
2109                 if (!env)
2110                     return -2;
2111                 ptr = (uint8_t *)env + md->offset;
2112                 switch(md->type) {
2113                 case MD_I32:
2114                     *pval = *(int32_t *)ptr;
2115                     break;
2116                 case MD_TLONG:
2117                     *pval = *(target_long *)ptr;
2118                     break;
2119                 default:
2120                     *pval = 0;
2121                     break;
2122                 }
2123             }
2124             return 0;
2125         }
2126     }
2127     return -1;
2128 }
2129 
next(void)2130 static void next(void)
2131 {
2132     if (pch != '\0') {
2133         pch++;
2134         while (qemu_isspace(*pch))
2135             pch++;
2136     }
2137 }
2138 
2139 static int64_t expr_sum(Monitor *mon);
2140 
expr_unary(Monitor * mon)2141 static int64_t expr_unary(Monitor *mon)
2142 {
2143     int64_t n;
2144     char *p;
2145     int ret;
2146 
2147     switch(*pch) {
2148     case '+':
2149         next();
2150         n = expr_unary(mon);
2151         break;
2152     case '-':
2153         next();
2154         n = -expr_unary(mon);
2155         break;
2156     case '~':
2157         next();
2158         n = ~expr_unary(mon);
2159         break;
2160     case '(':
2161         next();
2162         n = expr_sum(mon);
2163         if (*pch != ')') {
2164             expr_error(mon, "')' expected");
2165         }
2166         next();
2167         break;
2168     case '\'':
2169         pch++;
2170         if (*pch == '\0')
2171             expr_error(mon, "character constant expected");
2172         n = *pch;
2173         pch++;
2174         if (*pch != '\'')
2175             expr_error(mon, "missing terminating \' character");
2176         next();
2177         break;
2178     case '$':
2179         {
2180             char buf[128], *q;
2181             target_long reg=0;
2182 
2183             pch++;
2184             q = buf;
2185             while ((*pch >= 'a' && *pch <= 'z') ||
2186                    (*pch >= 'A' && *pch <= 'Z') ||
2187                    (*pch >= '0' && *pch <= '9') ||
2188                    *pch == '_' || *pch == '.') {
2189                 if ((q - buf) < sizeof(buf) - 1)
2190                     *q++ = *pch;
2191                 pch++;
2192             }
2193             while (qemu_isspace(*pch))
2194                 pch++;
2195             *q = 0;
2196             ret = get_monitor_def(&reg, buf);
2197             if (ret == -1)
2198                 expr_error(mon, "unknown register");
2199             else if (ret == -2)
2200                 expr_error(mon, "no cpu defined");
2201             n = reg;
2202         }
2203         break;
2204     case '\0':
2205         expr_error(mon, "unexpected end of expression");
2206         n = 0;
2207         break;
2208     default:
2209 #if TARGET_PHYS_ADDR_BITS > 32
2210         n = strtoull(pch, &p, 0);
2211 #else
2212         n = strtoul(pch, &p, 0);
2213 #endif
2214         if (pch == p) {
2215             expr_error(mon, "invalid char in expression");
2216         }
2217         pch = p;
2218         while (qemu_isspace(*pch))
2219             pch++;
2220         break;
2221     }
2222     return n;
2223 }
2224 
2225 
expr_prod(Monitor * mon)2226 static int64_t expr_prod(Monitor *mon)
2227 {
2228     int64_t val, val2;
2229     int op;
2230 
2231     val = expr_unary(mon);
2232     for(;;) {
2233         op = *pch;
2234         if (op != '*' && op != '/' && op != '%')
2235             break;
2236         next();
2237         val2 = expr_unary(mon);
2238         switch(op) {
2239         default:
2240         case '*':
2241             val *= val2;
2242             break;
2243         case '/':
2244         case '%':
2245             if (val2 == 0)
2246                 expr_error(mon, "division by zero");
2247             if (op == '/')
2248                 val /= val2;
2249             else
2250                 val %= val2;
2251             break;
2252         }
2253     }
2254     return val;
2255 }
2256 
expr_logic(Monitor * mon)2257 static int64_t expr_logic(Monitor *mon)
2258 {
2259     int64_t val, val2;
2260     int op;
2261 
2262     val = expr_prod(mon);
2263     for(;;) {
2264         op = *pch;
2265         if (op != '&' && op != '|' && op != '^')
2266             break;
2267         next();
2268         val2 = expr_prod(mon);
2269         switch(op) {
2270         default:
2271         case '&':
2272             val &= val2;
2273             break;
2274         case '|':
2275             val |= val2;
2276             break;
2277         case '^':
2278             val ^= val2;
2279             break;
2280         }
2281     }
2282     return val;
2283 }
2284 
expr_sum(Monitor * mon)2285 static int64_t expr_sum(Monitor *mon)
2286 {
2287     int64_t val, val2;
2288     int op;
2289 
2290     val = expr_logic(mon);
2291     for(;;) {
2292         op = *pch;
2293         if (op != '+' && op != '-')
2294             break;
2295         next();
2296         val2 = expr_logic(mon);
2297         if (op == '+')
2298             val += val2;
2299         else
2300             val -= val2;
2301     }
2302     return val;
2303 }
2304 
get_expr(Monitor * mon,int64_t * pval,const char ** pp)2305 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2306 {
2307     pch = *pp;
2308     if (setjmp(expr_env)) {
2309         *pp = pch;
2310         return -1;
2311     }
2312     while (qemu_isspace(*pch))
2313         pch++;
2314     *pval = expr_sum(mon);
2315     *pp = pch;
2316     return 0;
2317 }
2318 
get_str(char * buf,int buf_size,const char ** pp)2319 static int get_str(char *buf, int buf_size, const char **pp)
2320 {
2321     const char *p;
2322     char *q;
2323     int c;
2324 
2325     q = buf;
2326     p = *pp;
2327     while (qemu_isspace(*p))
2328         p++;
2329     if (*p == '\0') {
2330     fail:
2331         *q = '\0';
2332         *pp = p;
2333         return -1;
2334     }
2335     if (*p == '\"') {
2336         p++;
2337         while (*p != '\0' && *p != '\"') {
2338             if (*p == '\\') {
2339                 p++;
2340                 c = *p++;
2341                 switch(c) {
2342                 case 'n':
2343                     c = '\n';
2344                     break;
2345                 case 'r':
2346                     c = '\r';
2347                     break;
2348                 case '\\':
2349                 case '\'':
2350                 case '\"':
2351                     break;
2352                 default:
2353                     qemu_printf("unsupported escape code: '\\%c'\n", c);
2354                     goto fail;
2355                 }
2356                 if ((q - buf) < buf_size - 1) {
2357                     *q++ = c;
2358                 }
2359             } else {
2360                 if ((q - buf) < buf_size - 1) {
2361                     *q++ = *p;
2362                 }
2363                 p++;
2364             }
2365         }
2366         if (*p != '\"') {
2367             qemu_printf("unterminated string\n");
2368             goto fail;
2369         }
2370         p++;
2371     } else {
2372         while (*p != '\0' && !qemu_isspace(*p)) {
2373             if ((q - buf) < buf_size - 1) {
2374                 *q++ = *p;
2375             }
2376             p++;
2377         }
2378     }
2379     *q = '\0';
2380     *pp = p;
2381     return 0;
2382 }
2383 
2384 /*
2385  * Store the command-name in cmdname, and return a pointer to
2386  * the remaining of the command string.
2387  */
get_command_name(const char * cmdline,char * cmdname,size_t nlen)2388 static const char *get_command_name(const char *cmdline,
2389                                     char *cmdname, size_t nlen)
2390 {
2391     size_t len;
2392     const char *p, *pstart;
2393 
2394     p = cmdline;
2395     while (qemu_isspace(*p))
2396         p++;
2397     if (*p == '\0')
2398         return NULL;
2399     pstart = p;
2400     while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2401         p++;
2402     len = p - pstart;
2403     if (len > nlen - 1)
2404         len = nlen - 1;
2405     memcpy(cmdname, pstart, len);
2406     cmdname[len] = '\0';
2407     return p;
2408 }
2409 
2410 static int default_fmt_format = 'x';
2411 static int default_fmt_size = 4;
2412 
2413 #define MAX_ARGS 16
2414 
monitor_handle_command(Monitor * mon,const char * cmdline)2415 static void monitor_handle_command(Monitor *mon, const char *cmdline)
2416 {
2417     const char *p, *typestr;
2418     int c, nb_args, i, has_arg;
2419     const mon_cmd_t *cmd;
2420     char cmdname[256];
2421     char buf[1024];
2422     void *str_allocated[MAX_ARGS];
2423     void *args[MAX_ARGS];
2424     void (*handler_0)(Monitor *mon);
2425     void (*handler_1)(Monitor *mon, void *arg0);
2426     void (*handler_2)(Monitor *mon, void *arg0, void *arg1);
2427     void (*handler_3)(Monitor *mon, void *arg0, void *arg1, void *arg2);
2428     void (*handler_4)(Monitor *mon, void *arg0, void *arg1, void *arg2,
2429                       void *arg3);
2430     void (*handler_5)(Monitor *mon, void *arg0, void *arg1, void *arg2,
2431                       void *arg3, void *arg4);
2432     void (*handler_6)(Monitor *mon, void *arg0, void *arg1, void *arg2,
2433                       void *arg3, void *arg4, void *arg5);
2434     void (*handler_7)(Monitor *mon, void *arg0, void *arg1, void *arg2,
2435                       void *arg3, void *arg4, void *arg5, void *arg6);
2436 
2437 #ifdef DEBUG
2438     monitor_printf(mon, "command='%s'\n", cmdline);
2439 #endif
2440 
2441     /* extract the command name */
2442     p = get_command_name(cmdline, cmdname, sizeof(cmdname));
2443     if (!p)
2444         return;
2445 
2446     /* find the command */
2447     for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2448         if (compare_cmd(cmdname, cmd->name))
2449             break;
2450     }
2451 
2452     if (cmd->name == NULL) {
2453         monitor_printf(mon, "unknown command: '%s'\n", cmdname);
2454         return;
2455     }
2456 
2457     for(i = 0; i < MAX_ARGS; i++)
2458         str_allocated[i] = NULL;
2459 
2460     /* parse the parameters */
2461     typestr = cmd->args_type;
2462     nb_args = 0;
2463     for(;;) {
2464         c = *typestr;
2465         if (c == '\0')
2466             break;
2467         typestr++;
2468         switch(c) {
2469         case 'F':
2470         case 'B':
2471         case 's':
2472             {
2473                 int ret;
2474                 char *str;
2475 
2476                 while (qemu_isspace(*p))
2477                     p++;
2478                 if (*typestr == '?') {
2479                     typestr++;
2480                     if (*p == '\0') {
2481                         /* no optional string: NULL argument */
2482                         str = NULL;
2483                         goto add_str;
2484                     }
2485                 }
2486                 ret = get_str(buf, sizeof(buf), &p);
2487                 if (ret < 0) {
2488                     switch(c) {
2489                     case 'F':
2490                         monitor_printf(mon, "%s: filename expected\n",
2491                                        cmdname);
2492                         break;
2493                     case 'B':
2494                         monitor_printf(mon, "%s: block device name expected\n",
2495                                        cmdname);
2496                         break;
2497                     default:
2498                         monitor_printf(mon, "%s: string expected\n", cmdname);
2499                         break;
2500                     }
2501                     goto fail;
2502                 }
2503                 str = qemu_malloc(strlen(buf) + 1);
2504                 pstrcpy(str, sizeof(buf), buf);
2505                 str_allocated[nb_args] = str;
2506             add_str:
2507                 if (nb_args >= MAX_ARGS) {
2508                 error_args:
2509                     monitor_printf(mon, "%s: too many arguments\n", cmdname);
2510                     goto fail;
2511                 }
2512                 args[nb_args++] = str;
2513             }
2514             break;
2515         case '/':
2516             {
2517                 int count, format, size;
2518 
2519                 while (qemu_isspace(*p))
2520                     p++;
2521                 if (*p == '/') {
2522                     /* format found */
2523                     p++;
2524                     count = 1;
2525                     if (qemu_isdigit(*p)) {
2526                         count = 0;
2527                         while (qemu_isdigit(*p)) {
2528                             count = count * 10 + (*p - '0');
2529                             p++;
2530                         }
2531                     }
2532                     size = -1;
2533                     format = -1;
2534                     for(;;) {
2535                         switch(*p) {
2536                         case 'o':
2537                         case 'd':
2538                         case 'u':
2539                         case 'x':
2540                         case 'i':
2541                         case 'c':
2542                             format = *p++;
2543                             break;
2544                         case 'b':
2545                             size = 1;
2546                             p++;
2547                             break;
2548                         case 'h':
2549                             size = 2;
2550                             p++;
2551                             break;
2552                         case 'w':
2553                             size = 4;
2554                             p++;
2555                             break;
2556                         case 'g':
2557                         case 'L':
2558                             size = 8;
2559                             p++;
2560                             break;
2561                         default:
2562                             goto next;
2563                         }
2564                     }
2565                 next:
2566                     if (*p != '\0' && !qemu_isspace(*p)) {
2567                         monitor_printf(mon, "invalid char in format: '%c'\n",
2568                                        *p);
2569                         goto fail;
2570                     }
2571                     if (format < 0)
2572                         format = default_fmt_format;
2573                     if (format != 'i') {
2574                         /* for 'i', not specifying a size gives -1 as size */
2575                         if (size < 0)
2576                             size = default_fmt_size;
2577                         default_fmt_size = size;
2578                     }
2579                     default_fmt_format = format;
2580                 } else {
2581                     count = 1;
2582                     format = default_fmt_format;
2583                     if (format != 'i') {
2584                         size = default_fmt_size;
2585                     } else {
2586                         size = -1;
2587                     }
2588                 }
2589                 if (nb_args + 3 > MAX_ARGS)
2590                     goto error_args;
2591                 args[nb_args++] = (void*)(long)count;
2592                 args[nb_args++] = (void*)(long)format;
2593                 args[nb_args++] = (void*)(long)size;
2594             }
2595             break;
2596         case 'i':
2597         case 'l':
2598             {
2599                 int64_t val;
2600 
2601                 while (qemu_isspace(*p))
2602                     p++;
2603                 if (*typestr == '?' || *typestr == '.') {
2604                     if (*typestr == '?') {
2605                         if (*p == '\0')
2606                             has_arg = 0;
2607                         else
2608                             has_arg = 1;
2609                     } else {
2610                         if (*p == '.') {
2611                             p++;
2612                             while (qemu_isspace(*p))
2613                                 p++;
2614                             has_arg = 1;
2615                         } else {
2616                             has_arg = 0;
2617                         }
2618                     }
2619                     typestr++;
2620                     if (nb_args >= MAX_ARGS)
2621                         goto error_args;
2622                     args[nb_args++] = (void *)(long)has_arg;
2623                     if (!has_arg) {
2624                         if (nb_args >= MAX_ARGS)
2625                             goto error_args;
2626                         val = -1;
2627                         goto add_num;
2628                     }
2629                 }
2630                 if (get_expr(mon, &val, &p))
2631                     goto fail;
2632             add_num:
2633                 if (c == 'i') {
2634                     if (nb_args >= MAX_ARGS)
2635                         goto error_args;
2636                     args[nb_args++] = (void *)(long)val;
2637                 } else {
2638                     if ((nb_args + 1) >= MAX_ARGS)
2639                         goto error_args;
2640 #if TARGET_PHYS_ADDR_BITS > 32
2641                     args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
2642 #else
2643                     args[nb_args++] = (void *)0;
2644 #endif
2645                     args[nb_args++] = (void *)(long)(val & 0xffffffff);
2646                 }
2647             }
2648             break;
2649         case '-':
2650             {
2651                 int has_option;
2652                 /* option */
2653 
2654                 c = *typestr++;
2655                 if (c == '\0')
2656                     goto bad_type;
2657                 while (qemu_isspace(*p))
2658                     p++;
2659                 has_option = 0;
2660                 if (*p == '-') {
2661                     p++;
2662                     if (*p != c) {
2663                         monitor_printf(mon, "%s: unsupported option -%c\n",
2664                                        cmdname, *p);
2665                         goto fail;
2666                     }
2667                     p++;
2668                     has_option = 1;
2669                 }
2670                 if (nb_args >= MAX_ARGS)
2671                     goto error_args;
2672                 args[nb_args++] = (void *)(long)has_option;
2673             }
2674             break;
2675         default:
2676         bad_type:
2677             monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
2678             goto fail;
2679         }
2680     }
2681     /* check that all arguments were parsed */
2682     while (qemu_isspace(*p))
2683         p++;
2684     if (*p != '\0') {
2685         monitor_printf(mon, "%s: extraneous characters at the end of line\n",
2686                        cmdname);
2687         goto fail;
2688     }
2689 
2690     switch(nb_args) {
2691     case 0:
2692         handler_0 = cmd->handler;
2693         handler_0(mon);
2694         break;
2695     case 1:
2696         handler_1 = cmd->handler;
2697         handler_1(mon, args[0]);
2698         break;
2699     case 2:
2700         handler_2 = cmd->handler;
2701         handler_2(mon, args[0], args[1]);
2702         break;
2703     case 3:
2704         handler_3 = cmd->handler;
2705         handler_3(mon, args[0], args[1], args[2]);
2706         break;
2707     case 4:
2708         handler_4 = cmd->handler;
2709         handler_4(mon, args[0], args[1], args[2], args[3]);
2710         break;
2711     case 5:
2712         handler_5 = cmd->handler;
2713         handler_5(mon, args[0], args[1], args[2], args[3], args[4]);
2714         break;
2715     case 6:
2716         handler_6 = cmd->handler;
2717         handler_6(mon, args[0], args[1], args[2], args[3], args[4], args[5]);
2718         break;
2719     case 7:
2720         handler_7 = cmd->handler;
2721         handler_7(mon, args[0], args[1], args[2], args[3], args[4], args[5],
2722                   args[6]);
2723         break;
2724     default:
2725         monitor_printf(mon, "unsupported number of arguments: %d\n", nb_args);
2726         goto fail;
2727     }
2728  fail:
2729     for(i = 0; i < MAX_ARGS; i++)
2730         qemu_free(str_allocated[i]);
2731 }
2732 
cmd_completion(const char * name,const char * list)2733 static void cmd_completion(const char *name, const char *list)
2734 {
2735     const char *p, *pstart;
2736     char cmd[128];
2737     int len;
2738 
2739     p = list;
2740     for(;;) {
2741         pstart = p;
2742         p = strchr(p, '|');
2743         if (!p)
2744             p = pstart + strlen(pstart);
2745         len = p - pstart;
2746         if (len > sizeof(cmd) - 2)
2747             len = sizeof(cmd) - 2;
2748         memcpy(cmd, pstart, len);
2749         cmd[len] = '\0';
2750         if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
2751             readline_add_completion(cur_mon->rs, cmd);
2752         }
2753         if (*p == '\0')
2754             break;
2755         p++;
2756     }
2757 }
2758 
file_completion(const char * input)2759 static void file_completion(const char *input)
2760 {
2761     DIR *ffs;
2762     struct dirent *d;
2763     char path[1024];
2764     char file[1024], file_prefix[1024];
2765     int input_path_len;
2766     const char *p;
2767 
2768     p = strrchr(input, '/');
2769     if (!p) {
2770         input_path_len = 0;
2771         pstrcpy(file_prefix, sizeof(file_prefix), input);
2772         pstrcpy(path, sizeof(path), ".");
2773     } else {
2774         input_path_len = p - input + 1;
2775         memcpy(path, input, input_path_len);
2776         if (input_path_len > sizeof(path) - 1)
2777             input_path_len = sizeof(path) - 1;
2778         path[input_path_len] = '\0';
2779         pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
2780     }
2781 #ifdef DEBUG_COMPLETION
2782     monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
2783                    input, path, file_prefix);
2784 #endif
2785     ffs = opendir(path);
2786     if (!ffs)
2787         return;
2788     for(;;) {
2789         struct stat sb;
2790         d = readdir(ffs);
2791         if (!d)
2792             break;
2793         if (strstart(d->d_name, file_prefix, NULL)) {
2794             memcpy(file, input, input_path_len);
2795             if (input_path_len < sizeof(file))
2796                 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
2797                         d->d_name);
2798             /* stat the file to find out if it's a directory.
2799              * In that case add a slash to speed up typing long paths
2800              */
2801             stat(file, &sb);
2802             if(S_ISDIR(sb.st_mode))
2803                 pstrcat(file, sizeof(file), "/");
2804             readline_add_completion(cur_mon->rs, file);
2805         }
2806     }
2807     closedir(ffs);
2808 }
2809 
block_completion_it(void * opaque,BlockDriverState * bs)2810 static void block_completion_it(void *opaque, BlockDriverState *bs)
2811 {
2812     const char *name = bdrv_get_device_name(bs);
2813     const char *input = opaque;
2814 
2815     if (input[0] == '\0' ||
2816         !strncmp(name, (char *)input, strlen(input))) {
2817         readline_add_completion(cur_mon->rs, name);
2818     }
2819 }
2820 
2821 /* NOTE: this parser is an approximate form of the real command parser */
parse_cmdline(const char * cmdline,int * pnb_args,char ** args)2822 static void parse_cmdline(const char *cmdline,
2823                          int *pnb_args, char **args)
2824 {
2825     const char *p;
2826     int nb_args, ret;
2827     char buf[1024];
2828 
2829     p = cmdline;
2830     nb_args = 0;
2831     for(;;) {
2832         while (qemu_isspace(*p))
2833             p++;
2834         if (*p == '\0')
2835             break;
2836         if (nb_args >= MAX_ARGS)
2837             break;
2838         ret = get_str(buf, sizeof(buf), &p);
2839         args[nb_args] = qemu_strdup(buf);
2840         nb_args++;
2841         if (ret < 0)
2842             break;
2843     }
2844     *pnb_args = nb_args;
2845 }
2846 
monitor_find_completion(const char * cmdline)2847 static void monitor_find_completion(const char *cmdline)
2848 {
2849     const char *cmdname;
2850     char *args[MAX_ARGS];
2851     int nb_args, i, len;
2852     const char *ptype, *str;
2853     const mon_cmd_t *cmd;
2854     const KeyDef *key;
2855 
2856     parse_cmdline(cmdline, &nb_args, args);
2857 #ifdef DEBUG_COMPLETION
2858     for(i = 0; i < nb_args; i++) {
2859         monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
2860     }
2861 #endif
2862 
2863     /* if the line ends with a space, it means we want to complete the
2864        next arg */
2865     len = strlen(cmdline);
2866     if (len > 0 && qemu_isspace(cmdline[len - 1])) {
2867         if (nb_args >= MAX_ARGS)
2868             return;
2869         args[nb_args++] = qemu_strdup("");
2870     }
2871     if (nb_args <= 1) {
2872         /* command completion */
2873         if (nb_args == 0)
2874             cmdname = "";
2875         else
2876             cmdname = args[0];
2877         readline_set_completion_index(cur_mon->rs, strlen(cmdname));
2878         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2879             cmd_completion(cmdname, cmd->name);
2880         }
2881     } else {
2882         /* find the command */
2883         for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2884             if (compare_cmd(args[0], cmd->name))
2885                 goto found;
2886         }
2887         return;
2888     found:
2889         ptype = cmd->args_type;
2890         for(i = 0; i < nb_args - 2; i++) {
2891             if (*ptype != '\0') {
2892                 ptype++;
2893                 while (*ptype == '?')
2894                     ptype++;
2895             }
2896         }
2897         str = args[nb_args - 1];
2898         switch(*ptype) {
2899         case 'F':
2900             /* file completion */
2901             readline_set_completion_index(cur_mon->rs, strlen(str));
2902             file_completion(str);
2903             break;
2904         case 'B':
2905             /* block device name completion */
2906             readline_set_completion_index(cur_mon->rs, strlen(str));
2907             bdrv_iterate(block_completion_it, (void *)str);
2908             break;
2909         case 's':
2910             /* XXX: more generic ? */
2911             if (!strcmp(cmd->name, "info")) {
2912                 readline_set_completion_index(cur_mon->rs, strlen(str));
2913                 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
2914                     cmd_completion(str, cmd->name);
2915                 }
2916             } else if (!strcmp(cmd->name, "sendkey")) {
2917                 char *sep = strrchr(str, '-');
2918                 if (sep)
2919                     str = sep + 1;
2920                 readline_set_completion_index(cur_mon->rs, strlen(str));
2921                 for(key = key_defs; key->name != NULL; key++) {
2922                     cmd_completion(str, key->name);
2923                 }
2924             }
2925             break;
2926         default:
2927             break;
2928         }
2929     }
2930     for(i = 0; i < nb_args; i++)
2931         qemu_free(args[i]);
2932 }
2933 
monitor_can_read(void * opaque)2934 static int monitor_can_read(void *opaque)
2935 {
2936     Monitor *mon = opaque;
2937 
2938     return (mon->suspend_cnt == 0) ? 128 : 0;
2939 }
2940 
monitor_read(void * opaque,const uint8_t * buf,int size)2941 static void monitor_read(void *opaque, const uint8_t *buf, int size)
2942 {
2943     Monitor *old_mon = cur_mon;
2944     int i;
2945 
2946     cur_mon = opaque;
2947 
2948     if (cur_mon->rs) {
2949         for (i = 0; i < size; i++)
2950             readline_handle_byte(cur_mon->rs, buf[i]);
2951     } else {
2952         if (size == 0 || buf[size - 1] != 0)
2953             monitor_printf(cur_mon, "corrupted command\n");
2954         else
2955             monitor_handle_command(cur_mon, (char *)buf);
2956     }
2957 
2958     cur_mon = old_mon;
2959 }
2960 
monitor_command_cb(Monitor * mon,const char * cmdline,void * opaque)2961 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
2962 {
2963     monitor_suspend(mon);
2964     monitor_handle_command(mon, cmdline);
2965     monitor_resume(mon);
2966 }
2967 
monitor_suspend(Monitor * mon)2968 int monitor_suspend(Monitor *mon)
2969 {
2970     if (!mon->rs)
2971         return -ENOTTY;
2972     mon->suspend_cnt++;
2973     return 0;
2974 }
2975 
monitor_resume(Monitor * mon)2976 void monitor_resume(Monitor *mon)
2977 {
2978     if (!mon->rs)
2979         return;
2980     if (--mon->suspend_cnt == 0)
2981         readline_show_prompt(mon->rs);
2982 }
2983 
monitor_event(void * opaque,int event)2984 static void monitor_event(void *opaque, int event)
2985 {
2986     Monitor *mon = opaque;
2987 
2988     switch (event) {
2989     case CHR_EVENT_MUX_IN:
2990         readline_restart(mon->rs);
2991         monitor_resume(mon);
2992         monitor_flush(mon);
2993         break;
2994 
2995     case CHR_EVENT_MUX_OUT:
2996         if (mon->suspend_cnt == 0)
2997             monitor_printf(mon, "\n");
2998         monitor_flush(mon);
2999         monitor_suspend(mon);
3000         break;
3001 
3002     case CHR_EVENT_OPENED:
3003         monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
3004                        "information\n", QEMU_VERSION);
3005         if (mon->chr->focus == 0)
3006             readline_show_prompt(mon->rs);
3007         break;
3008     }
3009 }
3010 
3011 
3012 /*
3013  * Local variables:
3014  *  c-indent-level: 4
3015  *  c-basic-offset: 4
3016  *  tab-width: 8
3017  * End:
3018  */
3019 
monitor_init(CharDriverState * chr,int flags)3020 void monitor_init(CharDriverState *chr, int flags)
3021 {
3022     static int is_first_init = 1;
3023     Monitor *mon;
3024 
3025     if (is_first_init) {
3026         key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
3027         is_first_init = 0;
3028     }
3029 
3030     mon = qemu_mallocz(sizeof(*mon));
3031 
3032     mon->chr = chr;
3033     mon->flags = flags;
3034     if (mon->chr->focus != 0)
3035         mon->suspend_cnt = 1; /* mux'ed monitors start suspended */
3036     if (flags & MONITOR_USE_READLINE) {
3037         mon->rs = readline_init(mon, monitor_find_completion);
3038         monitor_read_command(mon, 0);
3039     }
3040 
3041     qemu_chr_add_handlers(chr, monitor_can_read, monitor_read, monitor_event,
3042                           mon);
3043 
3044     QLIST_INSERT_HEAD(&mon_list, mon, entry);
3045     if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
3046         cur_mon = mon;
3047 }
3048 
bdrv_password_cb(Monitor * mon,const char * password,void * opaque)3049 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
3050 {
3051     BlockDriverState *bs = opaque;
3052     int ret = 0;
3053 
3054     if (bdrv_set_key(bs, password) != 0) {
3055         monitor_printf(mon, "invalid password\n");
3056         ret = -EPERM;
3057     }
3058     if (mon->password_completion_cb)
3059         mon->password_completion_cb(mon->password_opaque, ret);
3060 
3061     monitor_read_command(mon, 1);
3062 }
3063 
monitor_read_bdrv_key_start(Monitor * mon,BlockDriverState * bs,BlockDriverCompletionFunc * completion_cb,void * opaque)3064 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
3065                                  BlockDriverCompletionFunc *completion_cb,
3066                                  void *opaque)
3067 {
3068     int err;
3069 
3070     if (!bdrv_key_required(bs)) {
3071         if (completion_cb)
3072             completion_cb(opaque, 0);
3073         return;
3074     }
3075 
3076     monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
3077                    bdrv_get_encrypted_filename(bs));
3078 
3079     mon->password_completion_cb = completion_cb;
3080     mon->password_opaque = opaque;
3081 
3082     err = monitor_read_password(mon, bdrv_password_cb, bs);
3083 
3084     if (err && completion_cb)
3085         completion_cb(opaque, err);
3086 }
3087