1 /*******************************************************************************
3 * Module Name: dbutils - AML debugger utilities
5 ******************************************************************************/
8 * Copyright (C) 2000 - 2015, Intel Corp.
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12 * modification, are permitted provided that the following conditions
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20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
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23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
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52 #define _COMPONENT ACPI_CA_DEBUGGER
53 ACPI_MODULE_NAME ("dbutils")
56 /* Local prototypes */
58 #ifdef ACPI_OBSOLETE_FUNCTIONS
60 AcpiDbSecondPassParse (
61 ACPI_PARSE_OBJECT *Root);
68 static char *Gbl_HexToAscii = "0123456789ABCDEF";
71 /*******************************************************************************
73 * FUNCTION: AcpiDbMatchArgument
75 * PARAMETERS: UserArgument - User command line
76 * Arguments - Array of commands to match against
78 * RETURN: Index into command array or ACPI_TYPE_NOT_FOUND if not found
80 * DESCRIPTION: Search command array for a command match
82 ******************************************************************************/
87 ACPI_DB_ARGUMENT_INFO *Arguments)
92 if (!UserArgument || UserArgument[0] == 0)
94 return (ACPI_TYPE_NOT_FOUND);
97 for (i = 0; Arguments[i].Name; i++)
99 if (strstr (Arguments[i].Name, UserArgument) == Arguments[i].Name)
105 /* Argument not recognized */
107 return (ACPI_TYPE_NOT_FOUND);
111 /*******************************************************************************
113 * FUNCTION: AcpiDbSetOutputDestination
115 * PARAMETERS: OutputFlags - Current flags word
119 * DESCRIPTION: Set the current destination for debugger output. Also sets
120 * the debug output level accordingly.
122 ******************************************************************************/
125 AcpiDbSetOutputDestination (
129 AcpiGbl_DbOutputFlags = (UINT8) OutputFlags;
131 if ((OutputFlags & ACPI_DB_REDIRECTABLE_OUTPUT) &&
132 AcpiGbl_DbOutputToFile)
134 AcpiDbgLevel = AcpiGbl_DbDebugLevel;
138 AcpiDbgLevel = AcpiGbl_DbConsoleDebugLevel;
143 /*******************************************************************************
145 * FUNCTION: AcpiDbDumpExternalObject
147 * PARAMETERS: ObjDesc - External ACPI object to dump
148 * Level - Nesting level.
152 * DESCRIPTION: Dump the contents of an ACPI external object
154 ******************************************************************************/
157 AcpiDbDumpExternalObject (
158 ACPI_OBJECT *ObjDesc,
166 AcpiOsPrintf ("[Null Object]\n");
170 for (i = 0; i < Level; i++)
175 switch (ObjDesc->Type)
179 AcpiOsPrintf ("[Null Object] (Type=0)\n");
182 case ACPI_TYPE_INTEGER:
184 AcpiOsPrintf ("[Integer] = %8.8X%8.8X\n",
185 ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value));
188 case ACPI_TYPE_STRING:
190 AcpiOsPrintf ("[String] Length %.2X = ", ObjDesc->String.Length);
191 AcpiUtPrintString (ObjDesc->String.Pointer, ACPI_UINT8_MAX);
195 case ACPI_TYPE_BUFFER:
197 AcpiOsPrintf ("[Buffer] Length %.2X = ", ObjDesc->Buffer.Length);
198 if (ObjDesc->Buffer.Length)
200 if (ObjDesc->Buffer.Length > 16)
204 AcpiUtDebugDumpBuffer (
205 ACPI_CAST_PTR (UINT8, ObjDesc->Buffer.Pointer),
206 ObjDesc->Buffer.Length, DB_BYTE_DISPLAY, _COMPONENT);
214 case ACPI_TYPE_PACKAGE:
216 AcpiOsPrintf ("[Package] Contains %u Elements:\n",
217 ObjDesc->Package.Count);
219 for (i = 0; i < ObjDesc->Package.Count; i++)
221 AcpiDbDumpExternalObject (
222 &ObjDesc->Package.Elements[i], Level+1);
226 case ACPI_TYPE_LOCAL_REFERENCE:
228 AcpiOsPrintf ("[Object Reference] = ");
229 AcpiDbDisplayInternalObject (ObjDesc->Reference.Handle, NULL);
232 case ACPI_TYPE_PROCESSOR:
234 AcpiOsPrintf ("[Processor]\n");
237 case ACPI_TYPE_POWER:
239 AcpiOsPrintf ("[Power Resource]\n");
244 AcpiOsPrintf ("[Unknown Type] %X\n", ObjDesc->Type);
250 /*******************************************************************************
252 * FUNCTION: AcpiDbPrepNamestring
254 * PARAMETERS: Name - String to prepare
258 * DESCRIPTION: Translate all forward slashes and dots to backslashes.
260 ******************************************************************************/
263 AcpiDbPrepNamestring (
274 /* Convert a leading forward slash to a backslash */
281 /* Ignore a leading backslash, this is the root prefix */
283 if (ACPI_IS_ROOT_PREFIX (*Name))
288 /* Convert all slash path separators to dots */
292 if ((*Name == '/') ||
303 /*******************************************************************************
305 * FUNCTION: AcpiDbLocalNsLookup
307 * PARAMETERS: Name - Name to lookup
309 * RETURN: Pointer to a namespace node, null on failure
311 * DESCRIPTION: Lookup a name in the ACPI namespace
313 * Note: Currently begins search from the root. Could be enhanced to use
314 * the current prefix (scope) node as the search beginning point.
316 ******************************************************************************/
318 ACPI_NAMESPACE_NODE *
319 AcpiDbLocalNsLookup (
324 ACPI_NAMESPACE_NODE *Node = NULL;
327 AcpiDbPrepNamestring (Name);
329 /* Build an internal namestring */
331 Status = AcpiNsInternalizeName (Name, &InternalPath);
332 if (ACPI_FAILURE (Status))
334 AcpiOsPrintf ("Invalid namestring: %s\n", Name);
340 * (Uses root node as the search starting point)
342 Status = AcpiNsLookup (NULL, InternalPath, ACPI_TYPE_ANY,
343 ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE,
345 if (ACPI_FAILURE (Status))
347 AcpiOsPrintf ("Could not locate name: %s, %s\n",
348 Name, AcpiFormatException (Status));
351 ACPI_FREE (InternalPath);
356 /*******************************************************************************
358 * FUNCTION: AcpiDbUint32ToHexString
360 * PARAMETERS: Value - The value to be converted to string
361 * Buffer - Buffer for result (not less than 11 bytes)
365 * DESCRIPTION: Convert the unsigned 32-bit value to the hexadecimal image
367 * NOTE: It is the caller's responsibility to ensure that the length of buffer
370 ******************************************************************************/
373 AcpiDbUint32ToHexString (
382 strcpy (Buffer, "0");
388 for (i = 7; i >= 0; i--)
390 Buffer[i] = Gbl_HexToAscii [Value & 0x0F];
396 #ifdef ACPI_OBSOLETE_FUNCTIONS
397 /*******************************************************************************
399 * FUNCTION: AcpiDbSecondPassParse
401 * PARAMETERS: Root - Root of the parse tree
405 * DESCRIPTION: Second pass parse of the ACPI tables. We need to wait until
406 * second pass to parse the control methods
408 ******************************************************************************/
411 AcpiDbSecondPassParse (
412 ACPI_PARSE_OBJECT *Root)
414 ACPI_PARSE_OBJECT *Op = Root;
415 ACPI_PARSE_OBJECT *Method;
416 ACPI_PARSE_OBJECT *SearchOp;
417 ACPI_PARSE_OBJECT *StartOp;
418 ACPI_STATUS Status = AE_OK;
419 UINT32 BaseAmlOffset;
420 ACPI_WALK_STATE *WalkState;
423 ACPI_FUNCTION_ENTRY ();
426 AcpiOsPrintf ("Pass two parse ....\n");
430 if (Op->Common.AmlOpcode == AML_METHOD_OP)
434 /* Create a new walk state for the parse */
436 WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL);
439 return (AE_NO_MEMORY);
442 /* Init the Walk State */
444 WalkState->ParserState.Aml =
445 WalkState->ParserState.AmlStart = Method->Named.Data;
446 WalkState->ParserState.AmlEnd =
447 WalkState->ParserState.PkgEnd = Method->Named.Data +
448 Method->Named.Length;
449 WalkState->ParserState.StartScope = Op;
451 WalkState->DescendingCallback = AcpiDsLoad1BeginOp;
452 WalkState->AscendingCallback = AcpiDsLoad1EndOp;
454 /* Perform the AML parse */
456 Status = AcpiPsParseAml (WalkState);
458 BaseAmlOffset = (Method->Common.Value.Arg)->Common.AmlOffset + 1;
459 StartOp = (Method->Common.Value.Arg)->Common.Next;
464 SearchOp->Common.AmlOffset += BaseAmlOffset;
465 SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp);
469 if (Op->Common.AmlOpcode == AML_REGION_OP)
471 /* TBD: [Investigate] this isn't quite the right thing to do! */
474 * Method = (ACPI_DEFERRED_OP *) Op;
475 * Status = AcpiPsParseAml (Op, Method->Body, Method->BodyLength);
479 if (ACPI_FAILURE (Status))
484 Op = AcpiPsGetDepthNext (Root, Op);
491 /*******************************************************************************
493 * FUNCTION: AcpiDbDumpBuffer
495 * PARAMETERS: Address - Pointer to the buffer
499 * DESCRIPTION: Print a portion of a buffer
501 ******************************************************************************/
508 AcpiOsPrintf ("\nLocation %X:\n", Address);
510 AcpiDbgLevel |= ACPI_LV_TABLES;
511 AcpiUtDebugDumpBuffer (ACPI_TO_POINTER (Address), 64, DB_BYTE_DISPLAY,
516 #endif /* ACPI_DEBUGGER */