aboutsummaryrefslogtreecommitdiff
path: root/source/components/debugger/dbmethod.c
blob: f8f831f73e2ae150a17142eb94657842085bb582 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
/*******************************************************************************
 *
 * Module Name: dbmethod - Debug commands for control methods
 *
 ******************************************************************************/

/*
 * Copyright (C) 2000 - 2013, Intel Corp.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */


#include "acpi.h"
#include "accommon.h"
#include "acdispat.h"
#include "acnamesp.h"
#include "acdebug.h"
#include "acdisasm.h"
#include "acparser.h"


#ifdef ACPI_DEBUGGER

#define _COMPONENT          ACPI_CA_DEBUGGER
        ACPI_MODULE_NAME    ("dbmethod")


/* Local prototypes */

static ACPI_STATUS
AcpiDbWalkForExecute (
    ACPI_HANDLE             ObjHandle,
    UINT32                  NestingLevel,
    void                    *Context,
    void                    **ReturnValue);


/*******************************************************************************
 *
 * FUNCTION:    AcpiDbSetMethodBreakpoint
 *
 * PARAMETERS:  Location            - AML offset of breakpoint
 *              WalkState           - Current walk info
 *              Op                  - Current Op (from parse walk)
 *
 * RETURN:      None
 *
 * DESCRIPTION: Set a breakpoint in a control method at the specified
 *              AML offset
 *
 ******************************************************************************/

void
AcpiDbSetMethodBreakpoint (
    char                    *Location,
    ACPI_WALK_STATE         *WalkState,
    ACPI_PARSE_OBJECT       *Op)
{
    UINT32                  Address;


    if (!Op)
    {
        AcpiOsPrintf ("There is no method currently executing\n");
        return;
    }

    /* Get and verify the breakpoint address */

    Address = ACPI_STRTOUL (Location, NULL, 16);
    if (Address <= Op->Common.AmlOffset)
    {
        AcpiOsPrintf ("Breakpoint %X is beyond current address %X\n",
            Address, Op->Common.AmlOffset);
    }

    /* Save breakpoint in current walk */

    WalkState->UserBreakpoint = Address;
    AcpiOsPrintf ("Breakpoint set at AML offset %X\n", Address);
}


/*******************************************************************************
 *
 * FUNCTION:    AcpiDbSetMethodCallBreakpoint
 *
 * PARAMETERS:  Op                  - Current Op (from parse walk)
 *
 * RETURN:      None
 *
 * DESCRIPTION: Set a breakpoint in a control method at the specified
 *              AML offset
 *
 ******************************************************************************/

void
AcpiDbSetMethodCallBreakpoint (
    ACPI_PARSE_OBJECT       *Op)
{


    if (!Op)
    {
        AcpiOsPrintf ("There is no method currently executing\n");
        return;
    }

    AcpiGbl_StepToNextCall = TRUE;
}


/*******************************************************************************
 *
 * FUNCTION:    AcpiDbSetMethodData
 *
 * PARAMETERS:  TypeArg         - L for local, A for argument
 *              IndexArg        - which one
 *              ValueArg        - Value to set.
 *
 * RETURN:      None
 *
 * DESCRIPTION: Set a local or argument for the running control method.
 *              NOTE: only object supported is Number.
 *
 ******************************************************************************/

void
AcpiDbSetMethodData (
    char                    *TypeArg,
    char                    *IndexArg,
    char                    *ValueArg)
{
    char                    Type;
    UINT32                  Index;
    UINT32                  Value;
    ACPI_WALK_STATE         *WalkState;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_STATUS             Status;
    ACPI_NAMESPACE_NODE     *Node;


    /* Validate TypeArg */

    AcpiUtStrupr (TypeArg);
    Type = TypeArg[0];
    if ((Type != 'L') &&
        (Type != 'A') &&
        (Type != 'N'))
    {
        AcpiOsPrintf ("Invalid SET operand: %s\n", TypeArg);
        return;
    }

    Value = ACPI_STRTOUL (ValueArg, NULL, 16);

    if (Type == 'N')
    {
        Node = AcpiDbConvertToNode (IndexArg);
        if (Node->Type != ACPI_TYPE_INTEGER)
        {
            AcpiOsPrintf ("Can only set Integer nodes\n");
            return;
        }
        ObjDesc = Node->Object;
        ObjDesc->Integer.Value = Value;
        return;
    }

    /* Get the index and value */

    Index = ACPI_STRTOUL (IndexArg, NULL, 16);

    WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList);
    if (!WalkState)
    {
        AcpiOsPrintf ("There is no method currently executing\n");
        return;
    }

    /* Create and initialize the new object */

    ObjDesc = AcpiUtCreateIntegerObject ((UINT64) Value);
    if (!ObjDesc)
    {
        AcpiOsPrintf ("Could not create an internal object\n");
        return;
    }

    /* Store the new object into the target */

    switch (Type)
    {
    case 'A':

        /* Set a method argument */

        if (Index > ACPI_METHOD_MAX_ARG)
        {
            AcpiOsPrintf ("Arg%u - Invalid argument name\n", Index);
            goto Cleanup;
        }

        Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_ARG, Index, ObjDesc,
                    WalkState);
        if (ACPI_FAILURE (Status))
        {
            goto Cleanup;
        }

        ObjDesc = WalkState->Arguments[Index].Object;

        AcpiOsPrintf ("Arg%u: ", Index);
        AcpiDmDisplayInternalObject (ObjDesc, WalkState);
        break;

    case 'L':

        /* Set a method local */

        if (Index > ACPI_METHOD_MAX_LOCAL)
        {
            AcpiOsPrintf ("Local%u - Invalid local variable name\n", Index);
            goto Cleanup;
        }

        Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_LOCAL, Index, ObjDesc,
                    WalkState);
        if (ACPI_FAILURE (Status))
        {
            goto Cleanup;
        }

        ObjDesc = WalkState->LocalVariables[Index].Object;

        AcpiOsPrintf ("Local%u: ", Index);
        AcpiDmDisplayInternalObject (ObjDesc, WalkState);
        break;

    default:
        break;
    }

Cleanup:
    AcpiUtRemoveReference (ObjDesc);
}


/*******************************************************************************
 *
 * FUNCTION:    AcpiDbDisassembleAml
 *
 * PARAMETERS:  Statements          - Number of statements to disassemble
 *              Op                  - Current Op (from parse walk)
 *
 * RETURN:      None
 *
 * DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number
 *              of statements specified.
 *
 ******************************************************************************/

void
AcpiDbDisassembleAml (
    char                    *Statements,
    ACPI_PARSE_OBJECT       *Op)
{
    UINT32                  NumStatements = 8;


    if (!Op)
    {
        AcpiOsPrintf ("There is no method currently executing\n");
        return;
    }

    if (Statements)
    {
        NumStatements = ACPI_STRTOUL (Statements, NULL, 0);
    }

    AcpiDmDisassemble (NULL, Op, NumStatements);
}


/*******************************************************************************
 *
 * FUNCTION:    AcpiDbDisassembleMethod
 *
 * PARAMETERS:  Name            - Name of control method
 *
 * RETURN:      None
 *
 * DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number
 *              of statements specified.
 *
 ******************************************************************************/

ACPI_STATUS
AcpiDbDisassembleMethod (
    char                    *Name)
{
    ACPI_STATUS             Status;
    ACPI_PARSE_OBJECT       *Op;
    ACPI_WALK_STATE         *WalkState;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_NAMESPACE_NODE     *Method;


    Method = AcpiDbConvertToNode (Name);
    if (!Method)
    {
        return (AE_BAD_PARAMETER);
    }

    if (Method->Type != ACPI_TYPE_METHOD)
    {
        ACPI_ERROR ((AE_INFO, "%s (%s): Object must be a control method",
            Name, AcpiUtGetTypeName (Method->Type)));
        return (AE_BAD_PARAMETER);
    }

    ObjDesc = Method->Object;

    Op = AcpiPsCreateScopeOp ();
    if (!Op)
    {
        return (AE_NO_MEMORY);
    }

    /* Create and initialize a new walk state */

    WalkState = AcpiDsCreateWalkState (0, Op, NULL, NULL);
    if (!WalkState)
    {
        return (AE_NO_MEMORY);
    }

    Status = AcpiDsInitAmlWalk (WalkState, Op, NULL,
        ObjDesc->Method.AmlStart,
        ObjDesc->Method.AmlLength, NULL, ACPI_IMODE_LOAD_PASS1);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    Status = AcpiUtAllocateOwnerId (&ObjDesc->Method.OwnerId);
    WalkState->OwnerId = ObjDesc->Method.OwnerId;

    /* Push start scope on scope stack and make it current */

    Status = AcpiDsScopeStackPush (Method,
        Method->Type, WalkState);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    /* Parse the entire method AML including deferred operators */

    WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE;
    WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE;

    Status = AcpiPsParseAml (WalkState);
    (void) AcpiDmParseDeferredOps (Op);

    /* Now we can disassemble the method */

    AcpiGbl_DbOpt_verbose = FALSE;
    AcpiDmDisassemble (NULL, Op, 0);
    AcpiGbl_DbOpt_verbose = TRUE;

    AcpiPsDeleteParseTree (Op);

    /* Method cleanup */

    AcpiNsDeleteNamespaceSubtree (Method);
    AcpiNsDeleteNamespaceByOwner (ObjDesc->Method.OwnerId);
    AcpiUtReleaseOwnerId (&ObjDesc->Method.OwnerId);
    return (AE_OK);
}


/*******************************************************************************
 *
 * FUNCTION:    AcpiDbWalkForExecute
 *
 * PARAMETERS:  Callback from WalkNamespace
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Batch execution module. Currently only executes predefined
 *              ACPI names.
 *
 ******************************************************************************/

static ACPI_STATUS
AcpiDbWalkForExecute (
    ACPI_HANDLE             ObjHandle,
    UINT32                  NestingLevel,
    void                    *Context,
    void                    **ReturnValue)
{
    ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
    ACPI_DB_EXECUTE_WALK    *Info = (ACPI_DB_EXECUTE_WALK *) Context;
    ACPI_BUFFER             ReturnObj;
    ACPI_STATUS             Status;
    char                    *Pathname;
    UINT32                  i;
    ACPI_DEVICE_INFO        *ObjInfo;
    ACPI_OBJECT_LIST        ParamObjects;
    ACPI_OBJECT             Params[ACPI_METHOD_NUM_ARGS];
    const ACPI_PREDEFINED_INFO *Predefined;


    Predefined = AcpiNsCheckForPredefinedName (Node);
    if (!Predefined)
    {
        return (AE_OK);
    }

    if (Node->Type == ACPI_TYPE_LOCAL_SCOPE)
    {
        return (AE_OK);
    }

    Pathname = AcpiNsGetExternalPathname (Node);
    if (!Pathname)
    {
        return (AE_OK);
    }

    /* Get the object info for number of method parameters */

    Status = AcpiGetObjectInfo (ObjHandle, &ObjInfo);
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }

    ParamObjects.Pointer = NULL;
    ParamObjects.Count   = 0;

    if (ObjInfo->Type == ACPI_TYPE_METHOD)
    {
        /* Setup default parameters */

        for (i = 0; i < ObjInfo->ParamCount; i++)
        {
            Params[i].Type           = ACPI_TYPE_INTEGER;
            Params[i].Integer.Value  = 1;
        }

        ParamObjects.Pointer     = Params;
        ParamObjects.Count       = ObjInfo->ParamCount;
    }

    ACPI_FREE (ObjInfo);
    ReturnObj.Pointer = NULL;
    ReturnObj.Length = ACPI_ALLOCATE_BUFFER;

    /* Do the actual method execution */

    AcpiGbl_MethodExecuting = TRUE;

    Status = AcpiEvaluateObject (Node, NULL, &ParamObjects, &ReturnObj);

    AcpiOsPrintf ("%-32s returned %s\n", Pathname, AcpiFormatException (Status));
    AcpiGbl_MethodExecuting = FALSE;
    ACPI_FREE (Pathname);

    /* Ignore status from method execution */

    Status = AE_OK;

    /* Update count, check if we have executed enough methods */

    Info->Count++;
    if (Info->Count >= Info->MaxCount)
    {
        Status = AE_CTRL_TERMINATE;
    }

    return (Status);
}


/*******************************************************************************
 *
 * FUNCTION:    AcpiDbBatchExecute
 *
 * PARAMETERS:  CountArg            - Max number of methods to execute
 *
 * RETURN:      None
 *
 * DESCRIPTION: Namespace batch execution. Execute predefined names in the
 *              namespace, up to the max count, if specified.
 *
 ******************************************************************************/

void
AcpiDbBatchExecute (
    char                    *CountArg)
{
    ACPI_DB_EXECUTE_WALK    Info;


    Info.Count = 0;
    Info.MaxCount = ACPI_UINT32_MAX;

    if (CountArg)
    {
        Info.MaxCount = ACPI_STRTOUL (CountArg, NULL, 0);
    }


    /* Search all nodes in namespace */

    (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
                AcpiDbWalkForExecute, NULL, (void *) &Info, NULL);

    AcpiOsPrintf ("Evaluated %u predefined names in the namespace\n", Info.Count);
}

#endif /* ACPI_DEBUGGER */