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596 jermar 1
/*
2
 * Copyright (C) 2005 Jakub Jermar
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
29
/**
1264 jermar 30
 * @file    cmd.c
31
 * @brief   Kernel console command wrappers.
32
 *
596 jermar 33
 * This file is meant to contain all wrapper functions for
34
 * all kconsole commands. The point is in separating
35
 * kconsole specific wrappers from kconsole-unaware functions
36
 * from other subsystems.
37
 */
38
 
39
#include <console/cmd.h>
1474 palkovsky 40
#include <console/console.h>
596 jermar 41
#include <console/kconsole.h>
42
#include <print.h>
43
#include <panic.h>
44
#include <typedefs.h>
45
#include <arch/types.h>
788 jermar 46
#include <adt/list.h>
596 jermar 47
#include <arch.h>
48
#include <func.h>
49
#include <macros.h>
50
#include <debug.h>
51
#include <symtab.h>
673 jermar 52
#include <cpu.h>
596 jermar 53
#include <mm/tlb.h>
54
#include <arch/mm/tlb.h>
668 bondari 55
#include <mm/frame.h>
673 jermar 56
#include <main/version.h>
759 palkovsky 57
#include <mm/slab.h>
775 palkovsky 58
#include <proc/scheduler.h>
777 palkovsky 59
#include <proc/thread.h>
1060 palkovsky 60
#include <proc/task.h>
596 jermar 61
 
62
/** Data and methods for 'help' command. */
63
static int cmd_help(cmd_arg_t *argv);
64
static cmd_info_t help_info = {
65
    .name = "help",
66
    .description = "List of supported commands.",
67
    .func = cmd_help,
68
    .argc = 0
69
};
70
 
609 palkovsky 71
static cmd_info_t exit_info = {
72
    .name = "exit",
73
    .description ="Exit kconsole",
74
    .argc = 0
75
};
76
 
1474 palkovsky 77
static int cmd_continue(cmd_arg_t *argv);
78
static cmd_info_t continue_info = {
79
    .name = "continue",
80
    .description ="Return console back to userspace",
81
    .func = cmd_continue,
82
    .argc = 0
83
};
84
 
596 jermar 85
/** Data and methods for 'description' command. */
86
static int cmd_desc(cmd_arg_t *argv);
87
static void desc_help(void);
88
static char desc_buf[MAX_CMDLINE+1];
89
static cmd_arg_t desc_argv = {
90
    .type = ARG_TYPE_STRING,
91
    .buffer = desc_buf,
92
    .len = sizeof(desc_buf)
93
};
94
static cmd_info_t desc_info = {
95
    .name = "describe",
96
    .description = "Describe specified command.",
97
    .help = desc_help,
98
    .func = cmd_desc,
99
    .argc = 1,
100
    .argv = &desc_argv
101
};
102
 
103
/** Data and methods for 'symaddr' command. */
104
static int cmd_symaddr(cmd_arg_t *argv);
105
static char symaddr_buf[MAX_CMDLINE+1];
106
static cmd_arg_t symaddr_argv = {
107
    .type = ARG_TYPE_STRING,
108
    .buffer = symaddr_buf,
109
    .len = sizeof(symaddr_buf)
110
};
111
static cmd_info_t symaddr_info = {
112
    .name = "symaddr",
113
    .description = "Return symbol address.",
114
    .func = cmd_symaddr,
115
    .argc = 1,
116
    .argv = &symaddr_argv
117
};
118
 
603 palkovsky 119
static char set_buf[MAX_CMDLINE+1];
120
static int cmd_set4(cmd_arg_t *argv);
121
static cmd_arg_t set4_argv[] = {
122
    {
123
        .type = ARG_TYPE_STRING,
124
        .buffer = set_buf,
125
        .len = sizeof(set_buf)
126
    },
127
    {
128
        .type = ARG_TYPE_INT
129
    }
130
};
131
static cmd_info_t set4_info = {
132
    .name = "set4",
133
    .description = "set <dest_addr> <value> - 4byte version",
134
    .func = cmd_set4,
135
    .argc = 2,
136
    .argv = set4_argv
137
};
138
 
596 jermar 139
/** Data and methods for 'call0' command. */
140
static char call0_buf[MAX_CMDLINE+1];
141
static char carg1_buf[MAX_CMDLINE+1];
142
static char carg2_buf[MAX_CMDLINE+1];
143
static char carg3_buf[MAX_CMDLINE+1];
144
 
145
static int cmd_call0(cmd_arg_t *argv);
146
static cmd_arg_t call0_argv = {
147
    .type = ARG_TYPE_STRING,
148
    .buffer = call0_buf,
149
    .len = sizeof(call0_buf)
150
};
151
static cmd_info_t call0_info = {
152
    .name = "call0",
153
    .description = "call0 <function> -> call function().",
154
    .func = cmd_call0,
155
    .argc = 1,
156
    .argv = &call0_argv
157
};
158
 
159
/** Data and methods for 'call1' command. */
160
static int cmd_call1(cmd_arg_t *argv);
161
static cmd_arg_t call1_argv[] = {
162
    {
163
        .type = ARG_TYPE_STRING,
164
        .buffer = call0_buf,
165
        .len = sizeof(call0_buf)
166
    },
167
    {
168
        .type = ARG_TYPE_VAR,
169
        .buffer = carg1_buf,
170
        .len = sizeof(carg1_buf)
171
    }
172
};
173
static cmd_info_t call1_info = {
174
    .name = "call1",
175
    .description = "call1 <function> <arg1> -> call function(arg1).",
176
    .func = cmd_call1,
177
    .argc = 2,
178
    .argv = call1_argv
179
};
180
 
181
/** Data and methods for 'call2' command. */
182
static int cmd_call2(cmd_arg_t *argv);
183
static cmd_arg_t call2_argv[] = {
184
    {
185
        .type = ARG_TYPE_STRING,
186
        .buffer = call0_buf,
187
        .len = sizeof(call0_buf)
188
    },
189
    {
190
        .type = ARG_TYPE_VAR,
191
        .buffer = carg1_buf,
192
        .len = sizeof(carg1_buf)
193
    },
194
    {
195
        .type = ARG_TYPE_VAR,
196
        .buffer = carg2_buf,
197
        .len = sizeof(carg2_buf)
198
    }
199
};
200
static cmd_info_t call2_info = {
201
    .name = "call2",
202
    .description = "call2 <function> <arg1> <arg2> -> call function(arg1,arg2).",
203
    .func = cmd_call2,
204
    .argc = 3,
205
    .argv = call2_argv
206
};
207
 
208
/** Data and methods for 'call3' command. */
209
static int cmd_call3(cmd_arg_t *argv);
210
static cmd_arg_t call3_argv[] = {
211
    {
212
        .type = ARG_TYPE_STRING,
213
        .buffer = call0_buf,
214
        .len = sizeof(call0_buf)
215
    },
216
    {
217
        .type = ARG_TYPE_VAR,
218
        .buffer = carg1_buf,
219
        .len = sizeof(carg1_buf)
220
    },
221
    {
222
        .type = ARG_TYPE_VAR,
223
        .buffer = carg2_buf,
224
        .len = sizeof(carg2_buf)
225
    },
226
    {
227
        .type = ARG_TYPE_VAR,
228
        .buffer = carg3_buf,
229
        .len = sizeof(carg3_buf)
230
    }
231
 
232
};
233
static cmd_info_t call3_info = {
234
    .name = "call3",
235
    .description = "call3 <function> <arg1> <arg2> <arg3> -> call function(arg1,arg2,arg3).",
236
    .func = cmd_call3,
237
    .argc = 4,
238
    .argv = call3_argv
239
};
240
 
241
/** Data and methods for 'halt' command. */
242
static int cmd_halt(cmd_arg_t *argv);
243
static cmd_info_t halt_info = {
244
    .name = "halt",
245
    .description = "Halt the kernel.",
246
    .func = cmd_halt,
247
    .argc = 0
248
};
249
 
673 jermar 250
/** Data and methods for 'tlb' command. */
251
static int cmd_tlb(cmd_arg_t *argv);
252
cmd_info_t tlb_info = {
253
    .name = "tlb",
596 jermar 254
    .description = "Print TLB of current processor.",
255
    .help = NULL,
673 jermar 256
    .func = cmd_tlb,
596 jermar 257
    .argc = 0,
258
    .argv = NULL
259
};
260
 
777 palkovsky 261
static int cmd_threads(cmd_arg_t *argv);
262
static cmd_info_t threads_info = {
263
    .name = "threads",
264
    .description = "List all threads",
265
    .func = cmd_threads,
266
    .argc = 0
267
};
668 bondari 268
 
1060 palkovsky 269
static int cmd_tasks(cmd_arg_t *argv);
270
static cmd_info_t tasks_info = {
271
    .name = "tasks",
272
    .description = "List all tasks",
273
    .func = cmd_tasks,
274
    .argc = 0
275
};
777 palkovsky 276
 
1060 palkovsky 277
 
775 palkovsky 278
static int cmd_sched(cmd_arg_t *argv);
279
static cmd_info_t sched_info = {
280
    .name = "scheduler",
281
    .description = "List all scheduler information",
282
    .func = cmd_sched,
283
    .argc = 0
284
};
285
 
759 palkovsky 286
static int cmd_slabs(cmd_arg_t *argv);
287
static cmd_info_t slabs_info = {
288
    .name = "slabs",
289
    .description = "List SLAB caches.",
290
    .func = cmd_slabs,
291
    .argc = 0
292
};
293
 
668 bondari 294
/** Data and methods for 'zones' command */
295
static int cmd_zones(cmd_arg_t *argv);
296
static cmd_info_t zones_info = {
297
    .name = "zones",
298
    .description = "List of memory zones.",
299
    .func = cmd_zones,
300
    .argc = 0
301
};
302
 
303
/** Data and methods for 'zone' command */
304
static int cmd_zone(cmd_arg_t *argv);
305
static cmd_arg_t zone_argv = {
306
    .type = ARG_TYPE_INT,
307
};
308
 
309
static cmd_info_t zone_info = {
310
    .name = "zone",
311
    .description = "Show memory zone structure.",
312
    .func = cmd_zone,
313
    .argc = 1,
314
    .argv = &zone_argv
315
};
316
 
673 jermar 317
/** Data and methods for 'cpus' command. */
318
static int cmd_cpus(cmd_arg_t *argv);
319
cmd_info_t cpus_info = {
320
    .name = "cpus",
321
    .description = "List all processors.",
322
    .help = NULL,
323
    .func = cmd_cpus,
324
    .argc = 0,
325
    .argv = NULL
326
};
668 bondari 327
 
673 jermar 328
/** Data and methods for 'version' command. */
329
static int cmd_version(cmd_arg_t *argv);
330
cmd_info_t version_info = {
331
    .name = "version",
332
    .description = "Print version information.",
333
    .help = NULL,
334
    .func = cmd_version,
335
    .argc = 0,
336
    .argv = NULL
337
};
668 bondari 338
 
775 palkovsky 339
static cmd_info_t *basic_commands[] = {
340
    &call0_info,
341
    &call1_info,
342
    &call2_info,
343
    &call3_info,
1474 palkovsky 344
    &continue_info,
775 palkovsky 345
    &cpus_info,
346
    &desc_info,
347
    &exit_info,
348
    &halt_info,
349
    &help_info,
350
    &set4_info,
351
    &slabs_info,
352
    &symaddr_info,
353
    &sched_info,
777 palkovsky 354
    &threads_info,
1060 palkovsky 355
    &tasks_info,
775 palkovsky 356
    &tlb_info,
357
    &version_info,
358
    &zones_info,
359
    &zone_info,
360
    NULL
361
};
673 jermar 362
 
363
 
596 jermar 364
/** Initialize command info structure.
365
 *
366
 * @param cmd Command info structure.
367
 *
368
 */
369
void cmd_initialize(cmd_info_t *cmd)
370
{
371
    spinlock_initialize(&cmd->lock, "cmd");
372
    link_initialize(&cmd->link);
373
}
374
 
375
/** Initialize and register commands. */
376
void cmd_init(void)
377
{
775 palkovsky 378
    int i;
596 jermar 379
 
775 palkovsky 380
    for (i=0;basic_commands[i]; i++) {
381
        cmd_initialize(basic_commands[i]);
382
        if (!cmd_register(basic_commands[i]))
383
            panic("could not register command %s\n",
384
                  basic_commands[i]->name);
385
    }
596 jermar 386
}
387
 
388
 
389
/** List supported commands.
390
 *
391
 * @param argv Argument vector.
392
 *
393
 * @return 0 on failure, 1 on success.
394
 */
395
int cmd_help(cmd_arg_t *argv)
396
{
397
    link_t *cur;
398
 
399
    spinlock_lock(&cmd_lock);
400
 
401
    for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) {
402
        cmd_info_t *hlp;
403
 
404
        hlp = list_get_instance(cur, cmd_info_t, link);
405
        spinlock_lock(&hlp->lock);
406
 
407
        printf("%s - %s\n", hlp->name, hlp->description);
408
 
409
        spinlock_unlock(&hlp->lock);
410
    }
411
 
412
    spinlock_unlock(&cmd_lock);
413
 
414
    return 1;
415
}
416
 
417
/** Describe specified command.
418
 *
419
 * @param argv Argument vector.
420
 *
421
 * @return 0 on failure, 1 on success.
422
 */
423
int cmd_desc(cmd_arg_t *argv)
424
{
425
    link_t *cur;
426
 
427
    spinlock_lock(&cmd_lock);
428
 
429
    for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) {
430
        cmd_info_t *hlp;
431
 
432
        hlp = list_get_instance(cur, cmd_info_t, link);
433
        spinlock_lock(&hlp->lock);
434
 
435
        if (strncmp(hlp->name, (const char *) argv->buffer, strlen(hlp->name)) == 0) {
436
            printf("%s - %s\n", hlp->name, hlp->description);
437
            if (hlp->help)
438
                hlp->help();
439
            spinlock_unlock(&hlp->lock);
440
            break;
441
        }
442
 
443
        spinlock_unlock(&hlp->lock);
444
    }
445
 
446
    spinlock_unlock(&cmd_lock);
447
 
448
    return 1;
449
}
450
 
451
/** Search symbol table */
452
int cmd_symaddr(cmd_arg_t *argv)
453
{
454
    symtab_print_search(argv->buffer);
455
 
456
    return 1;
457
}
458
 
459
/** Call function with zero parameters */
460
int cmd_call0(cmd_arg_t *argv)
461
{
462
    __address symaddr;
463
    char *symbol;
464
    __native (*f)(void);
465
 
466
    symaddr = get_symbol_addr(argv->buffer);
467
    if (!symaddr)
468
        printf("Symbol %s not found.\n", argv->buffer);
469
    else if (symaddr == (__address) -1) {
470
        symtab_print_search(argv->buffer);
471
        printf("Duplicate symbol, be more specific.\n");
472
    } else {
473
        symbol = get_symtab_entry(symaddr);
1224 cejka 474
        printf("Calling f(): %.*p: %s\n", sizeof(__address) * 2, symaddr, symbol);
596 jermar 475
        f =  (__native (*)(void)) symaddr;
1224 cejka 476
        printf("Result: %#zx\n", f());
596 jermar 477
    }
478
 
479
    return 1;
480
}
481
 
482
/** Call function with one parameter */
483
int cmd_call1(cmd_arg_t *argv)
484
{
485
    __address symaddr;
486
    char *symbol;
775 palkovsky 487
    __native (*f)(__native,...);
596 jermar 488
    __native arg1 = argv[1].intval;
489
 
490
    symaddr = get_symbol_addr(argv->buffer);
491
    if (!symaddr)
492
        printf("Symbol %s not found.\n", argv->buffer);
493
    else if (symaddr == (__address) -1) {
494
        symtab_print_search(argv->buffer);
495
        printf("Duplicate symbol, be more specific.\n");
496
    } else {
497
        symbol = get_symtab_entry(symaddr);
1224 cejka 498
        printf("Calling f(0x%zX): %.*p: %s\n", arg1, sizeof(__address) * 2, symaddr, symbol);
775 palkovsky 499
        f =  (__native (*)(__native,...)) symaddr;
1224 cejka 500
        printf("Result: %#zx\n", f(arg1));
596 jermar 501
    }
502
 
503
    return 1;
504
}
505
 
506
/** Call function with two parameters */
507
int cmd_call2(cmd_arg_t *argv)
508
{
509
    __address symaddr;
510
    char *symbol;
775 palkovsky 511
    __native (*f)(__native,__native,...);
596 jermar 512
    __native arg1 = argv[1].intval;
513
    __native arg2 = argv[2].intval;
514
 
515
    symaddr = get_symbol_addr(argv->buffer);
516
    if (!symaddr)
517
        printf("Symbol %s not found.\n", argv->buffer);
518
    else if (symaddr == (__address) -1) {
519
        symtab_print_search(argv->buffer);
520
        printf("Duplicate symbol, be more specific.\n");
521
    } else {
522
        symbol = get_symtab_entry(symaddr);
1224 cejka 523
        printf("Calling f(0x%zx,0x%zx): %.*p: %s\n",
524
               arg1, arg2, sizeof(__address) * 2, symaddr, symbol);
775 palkovsky 525
        f =  (__native (*)(__native,__native,...)) symaddr;
1224 cejka 526
        printf("Result: %#zx\n", f(arg1, arg2));
596 jermar 527
    }
528
 
529
    return 1;
530
}
531
 
532
/** Call function with three parameters */
533
int cmd_call3(cmd_arg_t *argv)
534
{
535
    __address symaddr;
536
    char *symbol;
775 palkovsky 537
    __native (*f)(__native,__native,__native,...);
596 jermar 538
    __native arg1 = argv[1].intval;
539
    __native arg2 = argv[2].intval;
540
    __native arg3 = argv[3].intval;
541
 
542
    symaddr = get_symbol_addr(argv->buffer);
543
    if (!symaddr)
544
        printf("Symbol %s not found.\n", argv->buffer);
545
    else if (symaddr == (__address) -1) {
546
        symtab_print_search(argv->buffer);
547
        printf("Duplicate symbol, be more specific.\n");
548
    } else {
549
        symbol = get_symtab_entry(symaddr);
1224 cejka 550
        printf("Calling f(0x%zx,0x%zx, 0x%zx): %.*p: %s\n",
551
               arg1, arg2, arg3, sizeof(__address) * 2, symaddr, symbol);
775 palkovsky 552
        f =  (__native (*)(__native,__native,__native,...)) symaddr;
1224 cejka 553
        printf("Result: %#zx\n", f(arg1, arg2, arg3));
596 jermar 554
    }
555
 
556
    return 1;
557
}
558
 
559
 
560
/** Print detailed description of 'describe' command. */
561
void desc_help(void)
562
{
563
    printf("Syntax: describe command_name\n");
564
}
565
 
566
/** Halt the kernel.
567
 *
568
 * @param argv Argument vector (ignored).
569
 *
570
 * @return 0 on failure, 1 on success (never returns).
571
 */
572
int cmd_halt(cmd_arg_t *argv)
573
{
574
    halt();
575
    return 1;
576
}
577
 
578
/** Command for printing TLB contents.
579
 *
580
 * @param argv Not used.
581
 *
582
 * @return Always returns 1.
583
 */
673 jermar 584
int cmd_tlb(cmd_arg_t *argv)
596 jermar 585
{
586
    tlb_print();
587
    return 1;
588
}
603 palkovsky 589
 
590
/** Write 4 byte value to address */
591
int cmd_set4(cmd_arg_t *argv)
592
{
593
    __u32 *addr ;
594
    __u32 arg1 = argv[1].intval;
595
    bool pointer = false;
596
 
597
    if (((char *)argv->buffer)[0] == '*') {
598
        addr = (__u32 *) get_symbol_addr(argv->buffer+1);
599
        pointer = true;
600
    } else if (((char *)argv->buffer)[0] >= '0' &&
601
           ((char *)argv->buffer)[0] <= '9')
602
        addr = (__u32 *)atoi((char *)argv->buffer);
603
    else
604
        addr = (__u32 *)get_symbol_addr(argv->buffer);
605
 
606
    if (!addr)
607
        printf("Symbol %s not found.\n", argv->buffer);
608
    else if (addr == (__u32 *) -1) {
609
        symtab_print_search(argv->buffer);
610
        printf("Duplicate symbol, be more specific.\n");
611
    } else {
612
        if (pointer)
608 palkovsky 613
            addr = (__u32 *)(*(__native *)addr);
1224 cejka 614
        printf("Writing 0x%x -> %.*p\n", arg1, sizeof(__address) * 2, addr);
603 palkovsky 615
        *addr = arg1;
616
 
617
    }
618
 
619
    return 1;
620
}
668 bondari 621
 
759 palkovsky 622
/** Command for listings SLAB caches
623
 *
624
 * @param argv Ignores
625
 *
626
 * @return Always 1
627
 */
628
int cmd_slabs(cmd_arg_t * argv) {
629
    slab_print_list();
630
    return 1;
631
}
632
 
777 palkovsky 633
 
775 palkovsky 634
/** Command for listings Thread information
635
 *
636
 * @param argv Ignores
637
 *
638
 * @return Always 1
639
 */
777 palkovsky 640
int cmd_threads(cmd_arg_t * argv) {
641
    thread_print_list();
642
    return 1;
643
}
644
 
1060 palkovsky 645
/** Command for listings Task information
646
 *
647
 * @param argv Ignores
648
 *
649
 * @return Always 1
650
 */
651
int cmd_tasks(cmd_arg_t * argv) {
652
    task_print_list();
653
    return 1;
654
}
655
 
777 palkovsky 656
/** Command for listings Thread information
657
 *
658
 * @param argv Ignores
659
 *
660
 * @return Always 1
661
 */
775 palkovsky 662
int cmd_sched(cmd_arg_t * argv) {
663
    sched_print_list();
664
    return 1;
665
}
666
 
677 bondari 667
/** Command for listing memory zones
668
 *
669
 * @param argv Ignored
670
 *
671
 * return Always 1
672
 */
668 bondari 673
int cmd_zones(cmd_arg_t * argv) {
676 bondari 674
    zone_print_list();
668 bondari 675
    return 1;
676
}
673 jermar 677
 
677 bondari 678
/** Command for memory zone details
679
 *
680
 * @param argv Integer argument from cmdline expected
681
 *
682
 * return Always 1
683
 */
668 bondari 684
int cmd_zone(cmd_arg_t * argv) {
676 bondari 685
    zone_print_one(argv[0].intval);
668 bondari 686
    return 1;
687
}
688
 
673 jermar 689
/** Command for listing processors.
690
 *
691
 * @param argv Ignored.
692
 *
693
 * return Always 1.
694
 */
695
int cmd_cpus(cmd_arg_t *argv)
696
{
697
    cpu_list();
698
    return 1;
699
}
700
 
701
/** Command for printing kernel version.
702
 *
703
 * @param argv Ignored.
704
 *
705
 * return Always 1.
706
 */
707
int cmd_version(cmd_arg_t *argv)
708
{
709
    version_print();
710
    return 1;
711
}
1474 palkovsky 712
 
713
/** Command for returning console back to userspace.
714
 *
715
 * @param argv Ignored.
716
 *
717
 * return Always 1.
718
 */
719
int cmd_continue(cmd_arg_t *argv)
720
{
721
    arch_release_console();
722
    return 1;
723
}