1 /*******************************************************************************
3 * Module Name: dmnames - AML disassembler, names, namestrings, pathnames
6 ******************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999 - 2003, Intel Corp.
13 * All rights reserved.
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights. You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23 * copy of the source code appearing in this file ("Covered Code") an
24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25 * base code distributed originally by Intel ("Original Intel Code") to copy,
26 * make derivatives, distribute, use and display any portion of the Covered
27 * Code in any form, with the right to sublicense such rights; and
29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30 * license (with the right to sublicense), under only those claims of Intel
31 * patents that are infringed by the Original Intel Code, to make, use, sell,
32 * offer to sell, and import the Covered Code and derivative works thereof
33 * solely to the minimum extent necessary to exercise the above copyright
34 * license, and in no event shall the patent license extend to any additions
35 * to or modifications of the Original Intel Code. No other license or right
36 * is granted directly or by implication, estoppel or otherwise;
38 * The above copyright and patent license is granted only if the following
43 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44 * Redistribution of source code of any substantial portion of the Covered
45 * Code or modification with rights to further distribute source must include
46 * the above Copyright Notice, the above License, this list of Conditions,
47 * and the following Disclaimer and Export Compliance provision. In addition,
48 * Licensee must cause all Covered Code to which Licensee contributes to
49 * contain a file documenting the changes Licensee made to create that Covered
50 * Code and the date of any change. Licensee must include in that file the
51 * documentation of any changes made by any predecessor Licensee. Licensee
52 * must include a prominent statement that the modification is derived,
53 * directly or indirectly, from Original Intel Code.
55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56 * Redistribution of source code of any substantial portion of the Covered
57 * Code or modification without rights to further distribute source must
58 * include the following Disclaimer and Export Compliance provision in the
59 * documentation and/or other materials provided with distribution. In
60 * addition, Licensee may not authorize further sublicense of source of any
61 * portion of the Covered Code, and must include terms to the effect that the
62 * license from Licensee to its licensee is limited to the intellectual
63 * property embodied in the software Licensee provides to its licensee, and
64 * not to intellectual property embodied in modifications its licensee may
67 * 3.3. Redistribution of Executable. Redistribution in executable form of any
68 * substantial portion of the Covered Code or modification must reproduce the
69 * above Copyright Notice, and the following Disclaimer and Export Compliance
70 * provision in the documentation and/or other materials provided with the
73 * 3.4. Intel retains all right, title, and interest in and to the Original
76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77 * Intel shall be used in advertising or otherwise to promote the sale, use or
78 * other dealings in products derived from or relating to the Covered Code
79 * without prior written authorization from Intel.
81 * 4. Disclaimer and Export Compliance
83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
100 * 4.3. Licensee shall not export, either directly or indirectly, any of this
101 * software or system incorporating such software without first obtaining any
102 * required license or other approval from the U. S. Department of Commerce or
103 * any other agency or department of the United States Government. In the
104 * event Licensee exports any such software from the United States or
105 * re-exports any such software from a foreign destination, Licensee shall
106 * ensure that the distribution and export/re-export of the software is in
107 * compliance with all laws, regulations, orders, or other restrictions of the
108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109 * any of its subsidiaries will export/re-export any technical data, process,
110 * software, or service, directly or indirectly, to any country for which the
111 * United States government or any agency thereof requires an export license,
112 * other governmental approval, or letter of assurance, without first obtaining
113 * such license, approval or letter.
115 *****************************************************************************/
119 #include "acparser.h"
121 #include "acnamesp.h"
122 #include "acdisasm.h"
125 #ifdef ACPI_DISASSEMBLER
127 #define _COMPONENT ACPI_CA_DEBUGGER
128 ACPI_MODULE_NAME ("dmnames")
131 /*******************************************************************************
133 * FUNCTION: AcpiDmValidateName
135 * PARAMETERS: Name - 4 character ACPI name
139 * DESCRIPTION: Lookup the name
141 ******************************************************************************/
146 ACPI_PARSE_OBJECT *Op)
151 (!Op->Common.Parent))
156 if (!Op->Common.Node)
158 AcpiOsPrintf (" /**** Name not found or not accessible from this scope ****/ ");
161 ACPI_PARSE_OBJECT *TargetOp;
165 (!Op->Common.Parent))
170 TargetOp = AcpiPsFind (Op, Name, 0, 0);
174 * Didn't find the name in the parse tree. This may be
175 * a problem, or it may simply be one of the predefined names
176 * (such as _OS_). Rather than worry about looking up all
177 * the predefined names, just display the name as given
179 AcpiOsPrintf (" /**** Name not found or not accessible from this scope ****/ ");
186 /*******************************************************************************
188 * FUNCTION: AcpiDmDumpName
190 * PARAMETERS: Name - 4 character ACPI name
192 * RETURN: Final length of name
194 * DESCRIPTION: Dump an ACPI name, minus any trailing underscores.
196 ******************************************************************************/
204 char *End = Name + ACPI_NAME_SIZE;
207 for (i = 0; i < ACPI_NAME_SIZE; i++)
215 Length = (UINT32)(End - Name) + 1;
216 for (i = 0; i < Length; i++)
218 AcpiOsPrintf ("%c", Name[i]);
225 /*******************************************************************************
227 * FUNCTION: AcpiPsDisplayObjectPathname
229 * PARAMETERS: WalkState - Current walk state
230 * Op - Object whose pathname is to be obtained
234 * DESCRIPTION: Diplay the pathname associated with a named object. Two
235 * versions. One searches the parse tree (for parser-only
236 * applications suchas AcpiDump), and the other searches the
237 * ACPI namespace (the parse tree is probably deleted)
239 ******************************************************************************/
242 AcpiPsDisplayObjectPathname (
243 ACPI_WALK_STATE *WalkState,
244 ACPI_PARSE_OBJECT *Op)
247 ACPI_NAMESPACE_NODE *Node;
252 /* Save current debug level so we don't get extraneous debug output */
254 DebugLevel = AcpiDbgLevel;
257 /* Just get the Node out of the Op object */
259 Node = Op->Common.Node;
262 /* Node not defined in this scope, look it up */
264 Status = AcpiNsLookup (WalkState->ScopeInfo, Op->Common.Value.String, ACPI_TYPE_ANY,
265 ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, WalkState, &(Node));
267 if (ACPI_FAILURE (Status))
270 * We can't get the pathname since the object
271 * is not in the namespace. This can happen during single
272 * stepping where a dynamic named object is *about* to be created.
274 AcpiOsPrintf (" [Path not found]");
278 /* Save it for next time. */
280 Op->Common.Node = Node;
283 /* Convert NamedDesc/handle to a full pathname */
285 Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
286 Status = AcpiNsHandleToPathname (Node, &Buffer);
287 if (ACPI_FAILURE (Status))
289 AcpiOsPrintf ("****Could not get pathname****)");
293 AcpiOsPrintf (" (Path %s)", (char *) Buffer.Pointer);
294 ACPI_MEM_FREE (Buffer.Pointer);
298 /* Restore the debug level */
300 AcpiDbgLevel = DebugLevel;
305 /*******************************************************************************
307 * FUNCTION: AcpiDmNamestring
309 * PARAMETERS: Name - ACPI Name string to store
313 * DESCRIPTION: Decode an ACPI namestring. Handles prefix characters
315 ******************************************************************************/
329 /* Handle all Scope Prefix operators */
331 while (AcpiPsIsPrefixChar (ACPI_GET8 (Name)))
333 /* Append prefix character */
335 AcpiOsPrintf ("%1c", ACPI_GET8 (Name));
339 switch (ACPI_GET8 (Name))
345 case AML_DUAL_NAME_PREFIX:
350 case AML_MULTI_NAME_PREFIX_OP:
351 SegCount = (UINT32) ACPI_GET8 (Name + 1);
362 /* Append Name segment */
364 AcpiDmDumpName ((char *) Name);
369 /* Not last name, append dot separator */
373 Name += ACPI_NAME_SIZE;
378 /*******************************************************************************
380 * FUNCTION: AcpiDmDisplayPath
382 * PARAMETERS: Op - Named Op whose path is to be constructed
386 * DESCRIPTION: Walk backwards from current scope and display the name
387 * of each previous level of scope up to the root scope
388 * (like "pwd" does with file systems)
390 ******************************************************************************/
394 ACPI_PARSE_OBJECT *Op)
396 ACPI_PARSE_OBJECT *Prev;
397 ACPI_PARSE_OBJECT *Search;
399 BOOLEAN DoDot = FALSE;
400 ACPI_PARSE_OBJECT *NamePath;
401 const ACPI_OPCODE_INFO *OpInfo;
404 /* We are only interested in named objects */
406 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
407 if (!(OpInfo->Flags & AML_NSNODE))
412 if (OpInfo->Flags & AML_CREATE)
414 /* Field creation - check for a fully qualified namepath */
416 if (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP)
418 NamePath = AcpiPsGetArg (Op, 3);
422 NamePath = AcpiPsGetArg (Op, 2);
426 (NamePath->Common.Value.String) &&
427 (NamePath->Common.Value.String[0] == '\\'))
429 AcpiDmNamestring (NamePath->Common.Value.String);
434 Prev = NULL; /* Start with Root Node */
438 /* Search upwards in the tree to find scope with "prev" as its parent */
443 if (Search->Common.Parent == Prev)
448 /* Go up one level */
450 Search = Search->Common.Parent;
455 OpInfo = AcpiPsGetOpcodeInfo (Search->Common.AmlOpcode);
456 if (!(OpInfo->Flags & AML_FIELD))
458 /* Below root scope, append scope name */
467 if (OpInfo->Flags & AML_CREATE)
469 if (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP)
471 NamePath = AcpiPsGetArg (Op, 3);
475 NamePath = AcpiPsGetArg (Op, 2);
479 (NamePath->Common.Value.String))
481 AcpiDmDumpName (NamePath->Common.Value.String);
486 Name = AcpiPsGetName (Search);
487 AcpiDmDumpName ((char *) &Name);