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596 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2005 Jakub Jermar
596 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
 
1888 jermar 29
/** @addtogroup genericconsole
1702 cejka 30
 * @{
31
 */
32
 
596 jermar 33
/**
1264 jermar 34
 * @file    cmd.c
35
 * @brief   Kernel console command wrappers.
36
 *
596 jermar 37
 * This file is meant to contain all wrapper functions for
38
 * all kconsole commands. The point is in separating
39
 * kconsole specific wrappers from kconsole-unaware functions
40
 * from other subsystems.
41
 */
42
 
43
#include <console/cmd.h>
1474 palkovsky 44
#include <console/console.h>
596 jermar 45
#include <console/kconsole.h>
46
#include <print.h>
47
#include <panic.h>
48
#include <arch/types.h>
788 jermar 49
#include <adt/list.h>
596 jermar 50
#include <arch.h>
51
#include <func.h>
52
#include <macros.h>
53
#include <debug.h>
54
#include <symtab.h>
673 jermar 55
#include <cpu.h>
596 jermar 56
#include <mm/tlb.h>
57
#include <arch/mm/tlb.h>
668 bondari 58
#include <mm/frame.h>
673 jermar 59
#include <main/version.h>
759 palkovsky 60
#include <mm/slab.h>
775 palkovsky 61
#include <proc/scheduler.h>
777 palkovsky 62
#include <proc/thread.h>
1060 palkovsky 63
#include <proc/task.h>
1573 palkovsky 64
#include <ipc/ipc.h>
1712 palkovsky 65
#include <ipc/irq.h>
596 jermar 66
 
2019 decky 67
#ifdef CONFIG_TEST
68
#include <test.h>
69
#endif
70
 
1702 cejka 71
/* Data and methods for 'help' command. */
596 jermar 72
static int cmd_help(cmd_arg_t *argv);
73
static cmd_info_t help_info = {
74
    .name = "help",
75
    .description = "List of supported commands.",
76
    .func = cmd_help,
77
    .argc = 0
78
};
79
 
609 palkovsky 80
static cmd_info_t exit_info = {
81
    .name = "exit",
2019 decky 82
    .description = "Exit kconsole",
609 palkovsky 83
    .argc = 0
84
};
85
 
1474 palkovsky 86
static int cmd_continue(cmd_arg_t *argv);
87
static cmd_info_t continue_info = {
88
    .name = "continue",
2019 decky 89
    .description = "Return console back to userspace.",
1474 palkovsky 90
    .func = cmd_continue,
91
    .argc = 0
92
};
93
 
2019 decky 94
#ifdef CONFIG_TEST
95
static int cmd_tests(cmd_arg_t *argv);
96
static cmd_info_t tests_info = {
97
    .name = "tests",
98
    .description = "Print available kernel tests.",
99
    .func = cmd_tests,
100
    .argc = 0
101
};
102
 
103
static char test_buf[MAX_CMDLINE + 1];
104
static int cmd_test(cmd_arg_t *argv);
105
static cmd_arg_t test_argv[] = {
106
    {
107
        .type = ARG_TYPE_STRING,
108
        .buffer = test_buf,
109
        .len = sizeof(test_buf)
110
    }
111
};
112
static cmd_info_t test_info = {
113
    .name = "test",
114
    .description = "Run kernel test.",
115
    .func = cmd_test,
116
    .argc = 1,
117
    .argv = test_argv
118
};
2050 decky 119
 
120
static int cmd_bench(cmd_arg_t *argv);
121
static cmd_arg_t bench_argv[] = {
122
    {
123
        .type = ARG_TYPE_STRING,
124
        .buffer = test_buf,
125
        .len = sizeof(test_buf)
126
    },
127
    {
128
        .type = ARG_TYPE_INT,
129
    }
130
};
131
static cmd_info_t bench_info = {
132
    .name = "bench",
133
    .description = "Run kernel test as benchmark.",
134
    .func = cmd_bench,
135
    .argc = 2,
136
    .argv = bench_argv
137
};
2019 decky 138
#endif
139
 
1702 cejka 140
/* Data and methods for 'description' command. */
596 jermar 141
static int cmd_desc(cmd_arg_t *argv);
142
static void desc_help(void);
143
static char desc_buf[MAX_CMDLINE+1];
144
static cmd_arg_t desc_argv = {
145
    .type = ARG_TYPE_STRING,
146
    .buffer = desc_buf,
147
    .len = sizeof(desc_buf)
148
};
149
static cmd_info_t desc_info = {
150
    .name = "describe",
151
    .description = "Describe specified command.",
152
    .help = desc_help,
153
    .func = cmd_desc,
154
    .argc = 1,
155
    .argv = &desc_argv
156
};
157
 
1702 cejka 158
/* Data and methods for 'symaddr' command. */
596 jermar 159
static int cmd_symaddr(cmd_arg_t *argv);
160
static char symaddr_buf[MAX_CMDLINE+1];
161
static cmd_arg_t symaddr_argv = {
162
    .type = ARG_TYPE_STRING,
163
    .buffer = symaddr_buf,
164
    .len = sizeof(symaddr_buf)
165
};
166
static cmd_info_t symaddr_info = {
167
    .name = "symaddr",
168
    .description = "Return symbol address.",
169
    .func = cmd_symaddr,
170
    .argc = 1,
171
    .argv = &symaddr_argv
172
};
173
 
603 palkovsky 174
static char set_buf[MAX_CMDLINE+1];
175
static int cmd_set4(cmd_arg_t *argv);
176
static cmd_arg_t set4_argv[] = {
177
    {
178
        .type = ARG_TYPE_STRING,
179
        .buffer = set_buf,
180
        .len = sizeof(set_buf)
181
    },
182
    {
183
        .type = ARG_TYPE_INT
184
    }
185
};
186
static cmd_info_t set4_info = {
187
    .name = "set4",
188
    .description = "set <dest_addr> <value> - 4byte version",
189
    .func = cmd_set4,
190
    .argc = 2,
191
    .argv = set4_argv
192
};
193
 
1702 cejka 194
/* Data and methods for 'call0' command. */
596 jermar 195
static char call0_buf[MAX_CMDLINE+1];
196
static char carg1_buf[MAX_CMDLINE+1];
197
static char carg2_buf[MAX_CMDLINE+1];
198
static char carg3_buf[MAX_CMDLINE+1];
199
 
200
static int cmd_call0(cmd_arg_t *argv);
201
static cmd_arg_t call0_argv = {
202
    .type = ARG_TYPE_STRING,
203
    .buffer = call0_buf,
204
    .len = sizeof(call0_buf)
205
};
206
static cmd_info_t call0_info = {
207
    .name = "call0",
208
    .description = "call0 <function> -> call function().",
209
    .func = cmd_call0,
210
    .argc = 1,
211
    .argv = &call0_argv
212
};
213
 
1702 cejka 214
/* Data and methods for 'call1' command. */
596 jermar 215
static int cmd_call1(cmd_arg_t *argv);
216
static cmd_arg_t call1_argv[] = {
217
    {
218
        .type = ARG_TYPE_STRING,
219
        .buffer = call0_buf,
220
        .len = sizeof(call0_buf)
221
    },
222
    {
223
        .type = ARG_TYPE_VAR,
224
        .buffer = carg1_buf,
225
        .len = sizeof(carg1_buf)
226
    }
227
};
228
static cmd_info_t call1_info = {
229
    .name = "call1",
230
    .description = "call1 <function> <arg1> -> call function(arg1).",
231
    .func = cmd_call1,
232
    .argc = 2,
233
    .argv = call1_argv
234
};
235
 
1702 cejka 236
/* Data and methods for 'call2' command. */
596 jermar 237
static int cmd_call2(cmd_arg_t *argv);
238
static cmd_arg_t call2_argv[] = {
239
    {
240
        .type = ARG_TYPE_STRING,
241
        .buffer = call0_buf,
242
        .len = sizeof(call0_buf)
243
    },
244
    {
245
        .type = ARG_TYPE_VAR,
246
        .buffer = carg1_buf,
247
        .len = sizeof(carg1_buf)
248
    },
249
    {
250
        .type = ARG_TYPE_VAR,
251
        .buffer = carg2_buf,
252
        .len = sizeof(carg2_buf)
253
    }
254
};
255
static cmd_info_t call2_info = {
256
    .name = "call2",
257
    .description = "call2 <function> <arg1> <arg2> -> call function(arg1,arg2).",
258
    .func = cmd_call2,
259
    .argc = 3,
260
    .argv = call2_argv
261
};
262
 
1702 cejka 263
/* Data and methods for 'call3' command. */
596 jermar 264
static int cmd_call3(cmd_arg_t *argv);
265
static cmd_arg_t call3_argv[] = {
266
    {
267
        .type = ARG_TYPE_STRING,
268
        .buffer = call0_buf,
269
        .len = sizeof(call0_buf)
270
    },
271
    {
272
        .type = ARG_TYPE_VAR,
273
        .buffer = carg1_buf,
274
        .len = sizeof(carg1_buf)
275
    },
276
    {
277
        .type = ARG_TYPE_VAR,
278
        .buffer = carg2_buf,
279
        .len = sizeof(carg2_buf)
280
    },
281
    {
282
        .type = ARG_TYPE_VAR,
283
        .buffer = carg3_buf,
284
        .len = sizeof(carg3_buf)
285
    }
286
 
287
};
288
static cmd_info_t call3_info = {
289
    .name = "call3",
290
    .description = "call3 <function> <arg1> <arg2> <arg3> -> call function(arg1,arg2,arg3).",
291
    .func = cmd_call3,
292
    .argc = 4,
293
    .argv = call3_argv
294
};
295
 
1702 cejka 296
/* Data and methods for 'halt' command. */
596 jermar 297
static int cmd_halt(cmd_arg_t *argv);
298
static cmd_info_t halt_info = {
299
    .name = "halt",
300
    .description = "Halt the kernel.",
301
    .func = cmd_halt,
302
    .argc = 0
303
};
304
 
1702 cejka 305
/* Data and methods for 'tlb' command. */
673 jermar 306
static int cmd_tlb(cmd_arg_t *argv);
307
cmd_info_t tlb_info = {
308
    .name = "tlb",
596 jermar 309
    .description = "Print TLB of current processor.",
310
    .help = NULL,
673 jermar 311
    .func = cmd_tlb,
596 jermar 312
    .argc = 0,
313
    .argv = NULL
314
};
315
 
777 palkovsky 316
static int cmd_threads(cmd_arg_t *argv);
317
static cmd_info_t threads_info = {
318
    .name = "threads",
1695 jermar 319
    .description = "List all threads.",
777 palkovsky 320
    .func = cmd_threads,
321
    .argc = 0
322
};
668 bondari 323
 
1060 palkovsky 324
static int cmd_tasks(cmd_arg_t *argv);
325
static cmd_info_t tasks_info = {
326
    .name = "tasks",
1695 jermar 327
    .description = "List all tasks.",
1060 palkovsky 328
    .func = cmd_tasks,
329
    .argc = 0
330
};
777 palkovsky 331
 
1060 palkovsky 332
 
775 palkovsky 333
static int cmd_sched(cmd_arg_t *argv);
334
static cmd_info_t sched_info = {
335
    .name = "scheduler",
1695 jermar 336
    .description = "List all scheduler information.",
775 palkovsky 337
    .func = cmd_sched,
338
    .argc = 0
339
};
340
 
759 palkovsky 341
static int cmd_slabs(cmd_arg_t *argv);
342
static cmd_info_t slabs_info = {
343
    .name = "slabs",
1695 jermar 344
    .description = "List slab caches.",
759 palkovsky 345
    .func = cmd_slabs,
346
    .argc = 0
347
};
348
 
1702 cejka 349
/* Data and methods for 'zones' command */
668 bondari 350
static int cmd_zones(cmd_arg_t *argv);
351
static cmd_info_t zones_info = {
352
    .name = "zones",
353
    .description = "List of memory zones.",
354
    .func = cmd_zones,
355
    .argc = 0
356
};
357
 
1702 cejka 358
/* Data and methods for 'ipc_task' command */
1573 palkovsky 359
static int cmd_ipc_task(cmd_arg_t *argv);
360
static cmd_arg_t ipc_task_argv = {
361
    .type = ARG_TYPE_INT,
362
};
363
static cmd_info_t ipc_task_info = {
364
    .name = "ipc_task",
1695 jermar 365
    .description = "ipc_task <taskid> Show IPC information of given task.",
1573 palkovsky 366
    .func = cmd_ipc_task,
367
    .argc = 1,
368
    .argv = &ipc_task_argv
369
};
370
 
1702 cejka 371
/* Data and methods for 'zone' command */
668 bondari 372
static int cmd_zone(cmd_arg_t *argv);
373
static cmd_arg_t zone_argv = {
374
    .type = ARG_TYPE_INT,
375
};
376
 
377
static cmd_info_t zone_info = {
378
    .name = "zone",
379
    .description = "Show memory zone structure.",
380
    .func = cmd_zone,
381
    .argc = 1,
382
    .argv = &zone_argv
383
};
384
 
1702 cejka 385
/* Data and methods for 'cpus' command. */
673 jermar 386
static int cmd_cpus(cmd_arg_t *argv);
387
cmd_info_t cpus_info = {
388
    .name = "cpus",
389
    .description = "List all processors.",
390
    .help = NULL,
391
    .func = cmd_cpus,
392
    .argc = 0,
393
    .argv = NULL
394
};
668 bondari 395
 
1702 cejka 396
/* Data and methods for 'version' command. */
673 jermar 397
static int cmd_version(cmd_arg_t *argv);
398
cmd_info_t version_info = {
399
    .name = "version",
400
    .description = "Print version information.",
401
    .help = NULL,
402
    .func = cmd_version,
403
    .argc = 0,
404
    .argv = NULL
405
};
668 bondari 406
 
775 palkovsky 407
static cmd_info_t *basic_commands[] = {
408
    &call0_info,
409
    &call1_info,
410
    &call2_info,
411
    &call3_info,
1474 palkovsky 412
    &continue_info,
775 palkovsky 413
    &cpus_info,
414
    &desc_info,
415
    &exit_info,
416
    &halt_info,
417
    &help_info,
1573 palkovsky 418
    &ipc_task_info,
775 palkovsky 419
    &set4_info,
420
    &slabs_info,
421
    &symaddr_info,
422
    &sched_info,
777 palkovsky 423
    &threads_info,
1060 palkovsky 424
    &tasks_info,
775 palkovsky 425
    &tlb_info,
426
    &version_info,
427
    &zones_info,
428
    &zone_info,
2019 decky 429
#ifdef CONFIG_TEST
430
    &tests_info,
431
    &test_info,
2050 decky 432
    &bench_info,
2019 decky 433
#endif
775 palkovsky 434
    NULL
435
};
673 jermar 436
 
437
 
596 jermar 438
/** Initialize command info structure.
439
 *
440
 * @param cmd Command info structure.
441
 *
442
 */
443
void cmd_initialize(cmd_info_t *cmd)
444
{
445
    spinlock_initialize(&cmd->lock, "cmd");
446
    link_initialize(&cmd->link);
447
}
448
 
449
/** Initialize and register commands. */
450
void cmd_init(void)
451
{
775 palkovsky 452
    int i;
596 jermar 453
 
775 palkovsky 454
    for (i=0;basic_commands[i]; i++) {
455
        cmd_initialize(basic_commands[i]);
456
        if (!cmd_register(basic_commands[i]))
457
            panic("could not register command %s\n",
458
                  basic_commands[i]->name);
459
    }
596 jermar 460
}
461
 
462
 
463
/** List supported commands.
464
 *
465
 * @param argv Argument vector.
466
 *
467
 * @return 0 on failure, 1 on success.
468
 */
469
int cmd_help(cmd_arg_t *argv)
470
{
471
    link_t *cur;
472
 
473
    spinlock_lock(&cmd_lock);
474
 
475
    for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) {
476
        cmd_info_t *hlp;
477
 
478
        hlp = list_get_instance(cur, cmd_info_t, link);
479
        spinlock_lock(&hlp->lock);
480
 
481
        printf("%s - %s\n", hlp->name, hlp->description);
482
 
483
        spinlock_unlock(&hlp->lock);
484
    }
485
 
486
    spinlock_unlock(&cmd_lock);
487
 
488
    return 1;
489
}
490
 
491
/** Describe specified command.
492
 *
493
 * @param argv Argument vector.
494
 *
495
 * @return 0 on failure, 1 on success.
496
 */
497
int cmd_desc(cmd_arg_t *argv)
498
{
499
    link_t *cur;
500
 
501
    spinlock_lock(&cmd_lock);
502
 
503
    for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) {
504
        cmd_info_t *hlp;
505
 
506
        hlp = list_get_instance(cur, cmd_info_t, link);
507
        spinlock_lock(&hlp->lock);
508
 
509
        if (strncmp(hlp->name, (const char *) argv->buffer, strlen(hlp->name)) == 0) {
510
            printf("%s - %s\n", hlp->name, hlp->description);
511
            if (hlp->help)
512
                hlp->help();
513
            spinlock_unlock(&hlp->lock);
514
            break;
515
        }
516
 
517
        spinlock_unlock(&hlp->lock);
518
    }
519
 
520
    spinlock_unlock(&cmd_lock);
521
 
522
    return 1;
523
}
524
 
525
/** Search symbol table */
526
int cmd_symaddr(cmd_arg_t *argv)
527
{
2114 decky 528
    symtab_print_search((char *) argv->buffer);
596 jermar 529
 
530
    return 1;
531
}
532
 
533
/** Call function with zero parameters */
534
int cmd_call0(cmd_arg_t *argv)
535
{
1780 jermar 536
    uintptr_t symaddr;
596 jermar 537
    char *symbol;
1780 jermar 538
    unative_t (*f)(void);
1666 palkovsky 539
#ifdef ia64
540
    struct {
1780 jermar 541
        unative_t f;
542
        unative_t gp;
1666 palkovsky 543
    }fptr;
544
#endif
596 jermar 545
 
2114 decky 546
    symaddr = get_symbol_addr((char *) argv->buffer);
596 jermar 547
    if (!symaddr)
548
        printf("Symbol %s not found.\n", argv->buffer);
1780 jermar 549
    else if (symaddr == (uintptr_t) -1) {
2114 decky 550
        symtab_print_search((char *) argv->buffer);
596 jermar 551
        printf("Duplicate symbol, be more specific.\n");
552
    } else {
553
        symbol = get_symtab_entry(symaddr);
1780 jermar 554
        printf("Calling f(): %.*p: %s\n", sizeof(uintptr_t) * 2, symaddr, symbol);
1666 palkovsky 555
#ifdef ia64
556
        fptr.f = symaddr;
1780 jermar 557
        fptr.gp = ((unative_t *)cmd_call2)[1];
558
        f =  (unative_t (*)(void)) &fptr;
1666 palkovsky 559
#else
1780 jermar 560
        f =  (unative_t (*)(void)) symaddr;
1666 palkovsky 561
#endif
1224 cejka 562
        printf("Result: %#zx\n", f());
596 jermar 563
    }
564
 
565
    return 1;
566
}
567
 
568
/** Call function with one parameter */
569
int cmd_call1(cmd_arg_t *argv)
570
{
1780 jermar 571
    uintptr_t symaddr;
596 jermar 572
    char *symbol;
1780 jermar 573
    unative_t (*f)(unative_t,...);
574
    unative_t arg1 = argv[1].intval;
1666 palkovsky 575
#ifdef ia64
576
    struct {
1780 jermar 577
        unative_t f;
578
        unative_t gp;
1666 palkovsky 579
    }fptr;
580
#endif
596 jermar 581
 
2114 decky 582
    symaddr = get_symbol_addr((char *) argv->buffer);
596 jermar 583
    if (!symaddr)
584
        printf("Symbol %s not found.\n", argv->buffer);
1780 jermar 585
    else if (symaddr == (uintptr_t) -1) {
2114 decky 586
        symtab_print_search((char *) argv->buffer);
596 jermar 587
        printf("Duplicate symbol, be more specific.\n");
588
    } else {
589
        symbol = get_symtab_entry(symaddr);
1666 palkovsky 590
 
1780 jermar 591
        printf("Calling f(%#zx): %.*p: %s\n", arg1, sizeof(uintptr_t) * 2, symaddr, symbol);
1666 palkovsky 592
#ifdef ia64
593
        fptr.f = symaddr;
1780 jermar 594
        fptr.gp = ((unative_t *)cmd_call2)[1];
595
        f =  (unative_t (*)(unative_t,...)) &fptr;
1666 palkovsky 596
#else
1780 jermar 597
        f =  (unative_t (*)(unative_t,...)) symaddr;
1666 palkovsky 598
#endif
1224 cejka 599
        printf("Result: %#zx\n", f(arg1));
596 jermar 600
    }
601
 
602
    return 1;
603
}
604
 
605
/** Call function with two parameters */
606
int cmd_call2(cmd_arg_t *argv)
607
{
1780 jermar 608
    uintptr_t symaddr;
596 jermar 609
    char *symbol;
1780 jermar 610
    unative_t (*f)(unative_t,unative_t,...);
611
    unative_t arg1 = argv[1].intval;
612
    unative_t arg2 = argv[2].intval;
1666 palkovsky 613
#ifdef ia64
614
    struct {
1780 jermar 615
        unative_t f;
616
        unative_t gp;
1666 palkovsky 617
    }fptr;
618
#endif
596 jermar 619
 
2114 decky 620
    symaddr = get_symbol_addr((char *) argv->buffer);
596 jermar 621
    if (!symaddr)
622
        printf("Symbol %s not found.\n", argv->buffer);
1780 jermar 623
    else if (symaddr == (uintptr_t) -1) {
2114 decky 624
        symtab_print_search((char *) argv->buffer);
596 jermar 625
        printf("Duplicate symbol, be more specific.\n");
626
    } else {
627
        symbol = get_symtab_entry(symaddr);
1224 cejka 628
        printf("Calling f(0x%zx,0x%zx): %.*p: %s\n",
1780 jermar 629
               arg1, arg2, sizeof(uintptr_t) * 2, symaddr, symbol);
1666 palkovsky 630
#ifdef ia64
631
        fptr.f = symaddr;
1780 jermar 632
        fptr.gp = ((unative_t *)cmd_call2)[1];
633
        f =  (unative_t (*)(unative_t,unative_t,...)) &fptr;
1666 palkovsky 634
#else
1780 jermar 635
        f =  (unative_t (*)(unative_t,unative_t,...)) symaddr;
1666 palkovsky 636
#endif
1224 cejka 637
        printf("Result: %#zx\n", f(arg1, arg2));
596 jermar 638
    }
639
 
640
    return 1;
641
}
642
 
643
/** Call function with three parameters */
644
int cmd_call3(cmd_arg_t *argv)
645
{
1780 jermar 646
    uintptr_t symaddr;
596 jermar 647
    char *symbol;
1780 jermar 648
    unative_t (*f)(unative_t,unative_t,unative_t,...);
649
    unative_t arg1 = argv[1].intval;
650
    unative_t arg2 = argv[2].intval;
651
    unative_t arg3 = argv[3].intval;
1666 palkovsky 652
#ifdef ia64
653
    struct {
1780 jermar 654
        unative_t f;
655
        unative_t gp;
1666 palkovsky 656
    }fptr;
657
#endif
596 jermar 658
 
2114 decky 659
    symaddr = get_symbol_addr((char *) argv->buffer);
596 jermar 660
    if (!symaddr)
661
        printf("Symbol %s not found.\n", argv->buffer);
1780 jermar 662
    else if (symaddr == (uintptr_t) -1) {
2114 decky 663
        symtab_print_search((char *) argv->buffer);
596 jermar 664
        printf("Duplicate symbol, be more specific.\n");
665
    } else {
666
        symbol = get_symtab_entry(symaddr);
1224 cejka 667
        printf("Calling f(0x%zx,0x%zx, 0x%zx): %.*p: %s\n",
1780 jermar 668
               arg1, arg2, arg3, sizeof(uintptr_t) * 2, symaddr, symbol);
1666 palkovsky 669
#ifdef ia64
670
        fptr.f = symaddr;
1780 jermar 671
        fptr.gp = ((unative_t *)cmd_call2)[1];
672
        f =  (unative_t (*)(unative_t,unative_t,unative_t,...)) &fptr;
1666 palkovsky 673
#else
1780 jermar 674
        f =  (unative_t (*)(unative_t,unative_t,unative_t,...)) symaddr;
1666 palkovsky 675
#endif
1224 cejka 676
        printf("Result: %#zx\n", f(arg1, arg2, arg3));
596 jermar 677
    }
678
 
679
    return 1;
680
}
681
 
682
 
683
/** Print detailed description of 'describe' command. */
684
void desc_help(void)
685
{
686
    printf("Syntax: describe command_name\n");
687
}
688
 
689
/** Halt the kernel.
690
 *
691
 * @param argv Argument vector (ignored).
692
 *
693
 * @return 0 on failure, 1 on success (never returns).
694
 */
695
int cmd_halt(cmd_arg_t *argv)
696
{
697
    halt();
698
    return 1;
699
}
700
 
701
/** Command for printing TLB contents.
702
 *
703
 * @param argv Not used.
704
 *
705
 * @return Always returns 1.
706
 */
673 jermar 707
int cmd_tlb(cmd_arg_t *argv)
596 jermar 708
{
709
    tlb_print();
710
    return 1;
711
}
603 palkovsky 712
 
713
/** Write 4 byte value to address */
714
int cmd_set4(cmd_arg_t *argv)
715
{
2216 decky 716
    uint32_t *addr;
1780 jermar 717
    uint32_t arg1 = argv[1].intval;
603 palkovsky 718
    bool pointer = false;
719
 
720
    if (((char *)argv->buffer)[0] == '*') {
2114 decky 721
        addr = (uint32_t *) get_symbol_addr((char *) argv->buffer + 1);
603 palkovsky 722
        pointer = true;
2114 decky 723
    } else if (((char *) argv->buffer)[0] >= '0' &&
603 palkovsky 724
           ((char *)argv->buffer)[0] <= '9')
1780 jermar 725
        addr = (uint32_t *)atoi((char *)argv->buffer);
603 palkovsky 726
    else
2114 decky 727
        addr = (uint32_t *)get_symbol_addr((char *) argv->buffer);
603 palkovsky 728
 
729
    if (!addr)
730
        printf("Symbol %s not found.\n", argv->buffer);
1780 jermar 731
    else if (addr == (uint32_t *) -1) {
2114 decky 732
        symtab_print_search((char *) argv->buffer);
603 palkovsky 733
        printf("Duplicate symbol, be more specific.\n");
734
    } else {
735
        if (pointer)
1780 jermar 736
            addr = (uint32_t *)(*(unative_t *)addr);
737
        printf("Writing 0x%x -> %.*p\n", arg1, sizeof(uintptr_t) * 2, addr);
603 palkovsky 738
        *addr = arg1;
739
 
740
    }
741
 
742
    return 1;
743
}
668 bondari 744
 
759 palkovsky 745
/** Command for listings SLAB caches
746
 *
747
 * @param argv Ignores
748
 *
749
 * @return Always 1
750
 */
751
int cmd_slabs(cmd_arg_t * argv) {
752
    slab_print_list();
753
    return 1;
754
}
755
 
777 palkovsky 756
 
775 palkovsky 757
/** Command for listings Thread information
758
 *
759
 * @param argv Ignores
760
 *
761
 * @return Always 1
762
 */
777 palkovsky 763
int cmd_threads(cmd_arg_t * argv) {
764
    thread_print_list();
765
    return 1;
766
}
767
 
1060 palkovsky 768
/** Command for listings Task information
769
 *
770
 * @param argv Ignores
771
 *
772
 * @return Always 1
773
 */
774
int cmd_tasks(cmd_arg_t * argv) {
775
    task_print_list();
776
    return 1;
777
}
778
 
777 palkovsky 779
/** Command for listings Thread information
780
 *
781
 * @param argv Ignores
782
 *
783
 * @return Always 1
784
 */
775 palkovsky 785
int cmd_sched(cmd_arg_t * argv) {
786
    sched_print_list();
787
    return 1;
788
}
789
 
677 bondari 790
/** Command for listing memory zones
791
 *
792
 * @param argv Ignored
793
 *
794
 * return Always 1
795
 */
668 bondari 796
int cmd_zones(cmd_arg_t * argv) {
676 bondari 797
    zone_print_list();
668 bondari 798
    return 1;
799
}
673 jermar 800
 
677 bondari 801
/** Command for memory zone details
802
 *
803
 * @param argv Integer argument from cmdline expected
804
 *
805
 * return Always 1
806
 */
668 bondari 807
int cmd_zone(cmd_arg_t * argv) {
676 bondari 808
    zone_print_one(argv[0].intval);
668 bondari 809
    return 1;
810
}
811
 
1573 palkovsky 812
/** Command for printing task ipc details
813
 *
814
 * @param argv Integer argument from cmdline expected
815
 *
816
 * return Always 1
817
 */
818
int cmd_ipc_task(cmd_arg_t * argv) {
819
    ipc_print_task(argv[0].intval);
820
    return 1;
821
}
822
 
823
 
673 jermar 824
/** Command for listing processors.
825
 *
826
 * @param argv Ignored.
827
 *
828
 * return Always 1.
829
 */
830
int cmd_cpus(cmd_arg_t *argv)
831
{
832
    cpu_list();
833
    return 1;
834
}
835
 
836
/** Command for printing kernel version.
837
 *
838
 * @param argv Ignored.
839
 *
840
 * return Always 1.
841
 */
842
int cmd_version(cmd_arg_t *argv)
843
{
844
    version_print();
845
    return 1;
846
}
1474 palkovsky 847
 
848
/** Command for returning console back to userspace.
849
 *
850
 * @param argv Ignored.
851
 *
852
 * return Always 1.
853
 */
854
int cmd_continue(cmd_arg_t *argv)
855
{
1695 jermar 856
    printf("The kernel will now relinquish the console.\n");
857
    printf("Use userspace controls to redraw the screen.\n");
1474 palkovsky 858
    arch_release_console();
859
    return 1;
860
}
1702 cejka 861
 
2020 decky 862
#ifdef CONFIG_TEST
2019 decky 863
/** Command for printing kernel tests list.
864
 *
865
 * @param argv Ignored.
866
 *
867
 * return Always 1.
868
 */
869
int cmd_tests(cmd_arg_t *argv)
870
{
871
    test_t *test;
872
 
873
    for (test = tests; test->name != NULL; test++)
2020 decky 874
        printf("%s\t\t%s%s\n", test->name, test->desc, (test->safe ? "" : " (unsafe)"));
2019 decky 875
 
2020 decky 876
    printf("*\t\tRun all safe tests\n");
2019 decky 877
    return 1;
878
}
879
 
2042 decky 880
static bool run_test(const test_t *test)
2027 decky 881
{
2042 decky 882
    printf("%s\t\t%s\n", test->name, test->desc);
2030 decky 883
 
884
    /* Update and read thread accounting
885
       for benchmarking */
886
    ipl_t ipl = interrupts_disable();
2039 decky 887
    spinlock_lock(&TASK->lock);
888
    uint64_t t0 = task_get_accounting(TASK);
889
    spinlock_unlock(&TASK->lock);
2030 decky 890
    interrupts_restore(ipl);
891
 
892
    /* Execute the test */
2050 decky 893
    char * ret = test->entry(false);
2030 decky 894
 
895
    /* Update and read thread accounting */
896
    ipl = interrupts_disable();
2039 decky 897
    spinlock_lock(&TASK->lock);
898
    uint64_t dt = task_get_accounting(TASK) - t0;
899
    spinlock_unlock(&TASK->lock);
2030 decky 900
    interrupts_restore(ipl);
901
 
2050 decky 902
    uint64_t cycles;
903
    char suffix;
904
    order(dt, &cycles, &suffix);
905
 
906
    printf("Time: %llu%c cycles\n", cycles, suffix);
2027 decky 907
 
908
    if (ret == NULL) {
909
        printf("Test passed\n");
2042 decky 910
        return true;
2027 decky 911
    }
912
 
913
    printf("%s\n", ret);
2042 decky 914
    return false;
2027 decky 915
}
916
 
2050 decky 917
static bool run_bench(const test_t *test, const uint32_t cnt)
918
{
919
    uint32_t i;
920
    bool ret = true;
921
    uint64_t cycles;
922
    char suffix;
923
 
924
    if (cnt < 1)
925
        return true;
926
 
2114 decky 927
    uint64_t *data = (uint64_t *) malloc(sizeof(uint64_t) * cnt, 0);
2050 decky 928
    if (data == NULL) {
929
        printf("Error allocating memory for statistics\n");
930
        return false;
931
    }
932
 
933
    for (i = 0; i < cnt; i++) {
934
        printf("%s (%d/%d) ... ", test->name, i + 1, cnt);
935
 
936
        /* Update and read thread accounting
937
           for benchmarking */
938
        ipl_t ipl = interrupts_disable();
939
        spinlock_lock(&TASK->lock);
940
        uint64_t t0 = task_get_accounting(TASK);
941
        spinlock_unlock(&TASK->lock);
942
        interrupts_restore(ipl);
943
 
944
        /* Execute the test */
945
        char * ret = test->entry(true);
946
 
947
        /* Update and read thread accounting */
948
        ipl = interrupts_disable();
949
        spinlock_lock(&TASK->lock);
950
        uint64_t dt = task_get_accounting(TASK) - t0;
951
        spinlock_unlock(&TASK->lock);
952
        interrupts_restore(ipl);
953
 
954
        if (ret != NULL) {
955
            printf("%s\n", ret);
956
            ret = false;
957
            break;
958
        }
959
 
960
        data[i] = dt;
961
        order(dt, &cycles, &suffix);
962
        printf("OK (%llu%c cycles)\n", cycles, suffix);
963
    }
964
 
965
    if (ret) {
966
        printf("\n");
967
 
968
        uint64_t sum = 0;
969
 
970
        for (i = 0; i < cnt; i++) {
971
            sum += data[i];
972
        }
973
 
974
        order(sum / (uint64_t) cnt, &cycles, &suffix);
975
        printf("Average\t\t%llu%c\n", cycles, suffix);
976
    }
977
 
978
    free(data);
979
 
980
    return ret;
981
}
982
 
2019 decky 983
/** Command for returning kernel tests
984
 *
985
 * @param argv Argument vector.
986
 *
987
 * return Always 1.
988
 */
989
int cmd_test(cmd_arg_t *argv)
990
{
991
    test_t *test;
992
 
2114 decky 993
    if (strcmp((char *) argv->buffer, "*") == 0) {
2020 decky 994
        for (test = tests; test->name != NULL; test++) {
995
            if (test->safe) {
2027 decky 996
                printf("\n");
997
                if (!run_test(test))
998
                    break;
2020 decky 999
            }
2019 decky 1000
        }
2020 decky 1001
    } else {
1002
        bool fnd = false;
1003
 
1004
        for (test = tests; test->name != NULL; test++) {
2114 decky 1005
            if (strcmp(test->name, (char *) argv->buffer) == 0) {
2020 decky 1006
                fnd = true;
2027 decky 1007
                run_test(test);
2020 decky 1008
                break;
1009
            }
1010
        }
1011
 
1012
        if (!fnd)
2027 decky 1013
            printf("Unknown test\n");
2019 decky 1014
    }
1015
 
1016
    return 1;
1017
}
2050 decky 1018
 
1019
/** Command for returning kernel tests as benchmarks
1020
 *
1021
 * @param argv Argument vector.
1022
 *
1023
 * return Always 1.
1024
 */
1025
int cmd_bench(cmd_arg_t *argv)
1026
{
1027
    test_t *test;
1028
    uint32_t cnt = argv[1].intval;
1029
 
1030
    bool fnd = false;
1031
 
1032
    for (test = tests; test->name != NULL; test++) {
2114 decky 1033
        if (strcmp(test->name, (char *) argv->buffer) == 0) {
2050 decky 1034
            fnd = true;
2051 decky 1035
 
1036
            if (test->safe)
1037
                run_bench(test, cnt);
1038
            else
1039
                printf("Unsafe test\n");
1040
 
2050 decky 1041
            break;
1042
        }
1043
    }
1044
 
1045
    if (!fnd)
1046
        printf("Unknown test\n");
1047
 
1048
    return 1;
1049
}
1050
 
2020 decky 1051
#endif
2019 decky 1052
 
1888 jermar 1053
/** @}
1702 cejka 1054
 */