1 /*******************************************************************************
3 * Module Name: dbutils - AML debugger utilities
5 ******************************************************************************/
8 * Copyright (C) 2000 - 2014, Intel Corp.
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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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54 #define _COMPONENT ACPI_CA_DEBUGGER
55 ACPI_MODULE_NAME ("dbutils")
57 /* Local prototypes */
59 #ifdef ACPI_OBSOLETE_FUNCTIONS
61 AcpiDbSecondPassParse (
62 ACPI_PARSE_OBJECT *Root);
69 static char *Converter = "0123456789ABCDEF";
72 /*******************************************************************************
74 * FUNCTION: AcpiDbMatchArgument
76 * PARAMETERS: UserArgument - User command line
77 * Arguments - Array of commands to match against
79 * RETURN: Index into command array or ACPI_TYPE_NOT_FOUND if not found
81 * DESCRIPTION: Search command array for a command match
83 ******************************************************************************/
88 ACPI_DB_ARGUMENT_INFO *Arguments)
93 if (!UserArgument || UserArgument[0] == 0)
95 return (ACPI_TYPE_NOT_FOUND);
98 for (i = 0; Arguments[i].Name; i++)
100 if (ACPI_STRSTR (Arguments[i].Name, UserArgument) == Arguments[i].Name)
106 /* Argument not recognized */
108 return (ACPI_TYPE_NOT_FOUND);
112 /*******************************************************************************
114 * FUNCTION: AcpiDbSetOutputDestination
116 * PARAMETERS: OutputFlags - Current flags word
120 * DESCRIPTION: Set the current destination for debugger output. Also sets
121 * the debug output level accordingly.
123 ******************************************************************************/
126 AcpiDbSetOutputDestination (
130 AcpiGbl_DbOutputFlags = (UINT8) OutputFlags;
132 if ((OutputFlags & ACPI_DB_REDIRECTABLE_OUTPUT) && 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 (ACPI_CAST_PTR (UINT8, ObjDesc->Buffer.Pointer),
205 ObjDesc->Buffer.Length, DB_BYTE_DISPLAY, _COMPONENT);
213 case ACPI_TYPE_PACKAGE:
215 AcpiOsPrintf ("[Package] Contains %u Elements:\n",
216 ObjDesc->Package.Count);
218 for (i = 0; i < ObjDesc->Package.Count; i++)
220 AcpiDbDumpExternalObject (&ObjDesc->Package.Elements[i], Level+1);
224 case ACPI_TYPE_LOCAL_REFERENCE:
226 AcpiOsPrintf ("[Object Reference] = ");
227 AcpiDmDisplayInternalObject (ObjDesc->Reference.Handle, NULL);
230 case ACPI_TYPE_PROCESSOR:
232 AcpiOsPrintf ("[Processor]\n");
235 case ACPI_TYPE_POWER:
237 AcpiOsPrintf ("[Power Resource]\n");
242 AcpiOsPrintf ("[Unknown Type] %X\n", ObjDesc->Type);
248 /*******************************************************************************
250 * FUNCTION: AcpiDbPrepNamestring
252 * PARAMETERS: Name - String to prepare
256 * DESCRIPTION: Translate all forward slashes and dots to backslashes.
258 ******************************************************************************/
261 AcpiDbPrepNamestring (
272 /* Convert a leading forward slash to a backslash */
279 /* Ignore a leading backslash, this is the root prefix */
281 if (ACPI_IS_ROOT_PREFIX (*Name))
286 /* Convert all slash path separators to dots */
290 if ((*Name == '/') ||
301 /*******************************************************************************
303 * FUNCTION: AcpiDbLocalNsLookup
305 * PARAMETERS: Name - Name to lookup
307 * RETURN: Pointer to a namespace node, null on failure
309 * DESCRIPTION: Lookup a name in the ACPI namespace
311 * Note: Currently begins search from the root. Could be enhanced to use
312 * the current prefix (scope) node as the search beginning point.
314 ******************************************************************************/
316 ACPI_NAMESPACE_NODE *
317 AcpiDbLocalNsLookup (
322 ACPI_NAMESPACE_NODE *Node = NULL;
325 AcpiDbPrepNamestring (Name);
327 /* Build an internal namestring */
329 Status = AcpiNsInternalizeName (Name, &InternalPath);
330 if (ACPI_FAILURE (Status))
332 AcpiOsPrintf ("Invalid namestring: %s\n", Name);
338 * (Uses root node as the search starting point)
340 Status = AcpiNsLookup (NULL, InternalPath, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
341 ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE, NULL, &Node);
342 if (ACPI_FAILURE (Status))
344 AcpiOsPrintf ("Could not locate name: %s, %s\n",
345 Name, AcpiFormatException (Status));
348 ACPI_FREE (InternalPath);
353 /*******************************************************************************
355 * FUNCTION: AcpiDbUint32ToHexString
357 * PARAMETERS: Value - The value to be converted to string
358 * Buffer - Buffer for result (not less than 11 bytes)
362 * DESCRIPTION: Convert the unsigned 32-bit value to the hexadecimal image
364 * NOTE: It is the caller's responsibility to ensure that the length of buffer
367 ******************************************************************************/
370 AcpiDbUint32ToHexString (
379 ACPI_STRCPY (Buffer, "0");
385 for (i = 7; i >= 0; i--)
387 Buffer[i] = Converter [Value & 0x0F];
393 #ifdef ACPI_OBSOLETE_FUNCTIONS
394 /*******************************************************************************
396 * FUNCTION: AcpiDbSecondPassParse
398 * PARAMETERS: Root - Root of the parse tree
402 * DESCRIPTION: Second pass parse of the ACPI tables. We need to wait until
403 * second pass to parse the control methods
405 ******************************************************************************/
408 AcpiDbSecondPassParse (
409 ACPI_PARSE_OBJECT *Root)
411 ACPI_PARSE_OBJECT *Op = Root;
412 ACPI_PARSE_OBJECT *Method;
413 ACPI_PARSE_OBJECT *SearchOp;
414 ACPI_PARSE_OBJECT *StartOp;
415 ACPI_STATUS Status = AE_OK;
416 UINT32 BaseAmlOffset;
417 ACPI_WALK_STATE *WalkState;
420 ACPI_FUNCTION_ENTRY ();
423 AcpiOsPrintf ("Pass two parse ....\n");
427 if (Op->Common.AmlOpcode == AML_METHOD_OP)
431 /* Create a new walk state for the parse */
433 WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL);
436 return (AE_NO_MEMORY);
439 /* Init the Walk State */
441 WalkState->ParserState.Aml =
442 WalkState->ParserState.AmlStart = Method->Named.Data;
443 WalkState->ParserState.AmlEnd =
444 WalkState->ParserState.PkgEnd = Method->Named.Data +
445 Method->Named.Length;
446 WalkState->ParserState.StartScope = Op;
448 WalkState->DescendingCallback = AcpiDsLoad1BeginOp;
449 WalkState->AscendingCallback = AcpiDsLoad1EndOp;
451 /* Perform the AML parse */
453 Status = AcpiPsParseAml (WalkState);
455 BaseAmlOffset = (Method->Common.Value.Arg)->Common.AmlOffset + 1;
456 StartOp = (Method->Common.Value.Arg)->Common.Next;
461 SearchOp->Common.AmlOffset += BaseAmlOffset;
462 SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp);
466 if (Op->Common.AmlOpcode == AML_REGION_OP)
468 /* TBD: [Investigate] this isn't quite the right thing to do! */
471 * Method = (ACPI_DEFERRED_OP *) Op;
472 * Status = AcpiPsParseAml (Op, Method->Body, Method->BodyLength);
476 if (ACPI_FAILURE (Status))
481 Op = AcpiPsGetDepthNext (Root, Op);
488 /*******************************************************************************
490 * FUNCTION: AcpiDbDumpBuffer
492 * PARAMETERS: Address - Pointer to the buffer
496 * DESCRIPTION: Print a portion of a buffer
498 ******************************************************************************/
505 AcpiOsPrintf ("\nLocation %X:\n", Address);
507 AcpiDbgLevel |= ACPI_LV_TABLES;
508 AcpiUtDebugDumpBuffer (ACPI_TO_POINTER (Address), 64, DB_BYTE_DISPLAY,
513 #endif /* ACPI_DEBUGGER */