1 /*******************************************************************************
3 * Module Name: dmresrc.c - Resource Descriptor disassembly
6 ******************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999 - 2006, 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 *****************************************************************************/
120 #include "acdisasm.h"
122 #ifdef ACPI_DISASSEMBLER
124 #define _COMPONENT ACPI_CA_DEBUGGER
125 ACPI_MODULE_NAME ("dbresrc")
128 /* Dispatch tables for Resource disassembly functions */
131 void (*ACPI_RESOURCE_HANDLER) (
132 AML_RESOURCE *Resource,
136 static ACPI_RESOURCE_HANDLER AcpiGbl_DumpResourceDispatch [] =
138 /* Small descriptors */
140 NULL, /* 0x00, Reserved */
141 NULL, /* 0x01, Reserved */
142 NULL, /* 0x02, Reserved */
143 NULL, /* 0x03, Reserved */
144 AcpiDmIrqDescriptor, /* 0x04, ACPI_RESOURCE_NAME_IRQ_FORMAT */
145 AcpiDmDmaDescriptor, /* 0x05, ACPI_RESOURCE_NAME_DMA_FORMAT */
146 AcpiDmStartDependentDescriptor, /* 0x06, ACPI_RESOURCE_NAME_START_DEPENDENT */
147 AcpiDmEndDependentDescriptor, /* 0x07, ACPI_RESOURCE_NAME_END_DEPENDENT */
148 AcpiDmIoDescriptor, /* 0x08, ACPI_RESOURCE_NAME_IO_PORT */
149 AcpiDmFixedIoDescriptor, /* 0x09, ACPI_RESOURCE_NAME_FIXED_IO_PORT */
150 NULL, /* 0x0A, Reserved */
151 NULL, /* 0x0B, Reserved */
152 NULL, /* 0x0C, Reserved */
153 NULL, /* 0x0D, Reserved */
154 AcpiDmVendorSmallDescriptor, /* 0x0E, ACPI_RESOURCE_NAME_SMALL_VENDOR */
155 NULL, /* 0x0F, ACPI_RESOURCE_NAME_END_TAG (not used) */
157 /* Large descriptors */
159 NULL, /* 0x00, Reserved */
160 AcpiDmMemory24Descriptor, /* 0x01, ACPI_RESOURCE_NAME_MEMORY_24 */
161 AcpiDmGenericRegisterDescriptor,/* 0x02, ACPI_RESOURCE_NAME_GENERIC_REGISTER */
162 NULL, /* 0x03, Reserved */
163 AcpiDmVendorLargeDescriptor, /* 0x04, ACPI_RESOURCE_NAME_LARGE_VENDOR */
164 AcpiDmMemory32Descriptor, /* 0x05, ACPI_RESOURCE_NAME_MEMORY_32 */
165 AcpiDmFixedMemory32Descriptor, /* 0x06, ACPI_RESOURCE_NAME_FIXED_MEMORY_32 */
166 AcpiDmDwordDescriptor, /* 0x07, ACPI_RESOURCE_NAME_DWORD_ADDRESS_SPACE */
167 AcpiDmWordDescriptor, /* 0x08, ACPI_RESOURCE_NAME_WORD_ADDRESS_SPACE */
168 AcpiDmInterruptDescriptor, /* 0x09, ACPI_RESOURCE_NAME_EXTENDED_XRUPT */
169 AcpiDmQwordDescriptor, /* 0x0A, ACPI_RESOURCE_NAME_QWORD_ADDRESS_SPACE */
170 AcpiDmExtendedDescriptor /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS_SPACE */
174 /* Only used for single-threaded applications */
175 /* TBD: remove when name is passed as parameter to the dump functions */
177 static UINT32 ResourceName;
180 /*******************************************************************************
182 * FUNCTION: AcpiDmDescriptorName
188 * DESCRIPTION: Emit a name for the descriptor if one is present (indicated
189 * by the name being changed from the default name.) A name is only
190 * emitted if a reference to the descriptor has been made somewhere
191 * in the original ASL code.
193 ******************************************************************************/
196 AcpiDmDescriptorName (
200 if (ResourceName == ACPI_DEFAULT_RESNAME)
205 AcpiOsPrintf ("%4.4s", (char *) &ResourceName);
209 /*******************************************************************************
211 * FUNCTION: AcpiDmDumpInteger*
213 * PARAMETERS: Value - Value to emit
214 * Name - Associated name (emitted as a comment)
218 * DESCRIPTION: Integer output helper functions
220 ******************************************************************************/
227 AcpiOsPrintf ("0x%2.2X, // %s\n", Value, Name);
231 AcpiDmDumpInteger16 (
235 AcpiOsPrintf ("0x%4.4X, // %s\n", Value, Name);
239 AcpiDmDumpInteger32 (
243 AcpiOsPrintf ("0x%8.8X, // %s\n", Value, Name);
247 AcpiDmDumpInteger64 (
251 AcpiOsPrintf ("0x%8.8X%8.8X, // %s\n",
252 ACPI_FORMAT_UINT64 (ACPI_GET_ADDRESS (Value)), Name);
256 /*******************************************************************************
258 * FUNCTION: AcpiDmBitList
260 * PARAMETERS: Mask - 16-bit value corresponding to 16 interrupt
265 * DESCRIPTION: Dump a bit mask as a list of individual interrupt/DMA levels.
267 ******************************************************************************/
274 BOOLEAN Previous = FALSE;
277 /* Open the initializer list */
281 /* Examine each bit */
283 for (i = 0; i < 16; i++)
285 /* Only interested in bits that are set to 1 */
294 AcpiOsPrintf ("%d", i);
302 AcpiOsPrintf ("}\n");
306 /*******************************************************************************
308 * FUNCTION: AcpiDmResourceTemplate
310 * PARAMETERS: Info - Curent parse tree walk info
311 * ByteData - Pointer to the byte list data
312 * ByteCount - Length of the byte list
316 * DESCRIPTION: Dump the contents of a Resource Template containing a set of
317 * Resource Descriptors.
319 ******************************************************************************/
322 AcpiDmResourceTemplate (
323 ACPI_OP_WALK_INFO *Info,
324 ACPI_PARSE_OBJECT *Op,
329 ACPI_NATIVE_UINT CurrentByteOffset;
331 UINT32 ResourceLength;
334 BOOLEAN DependentFns = FALSE;
336 ACPI_NAMESPACE_NODE *Node;
340 ResourceName = ACPI_DEFAULT_RESNAME;
341 Node = Op->Common.Node;
347 for (CurrentByteOffset = 0; CurrentByteOffset < ByteCount; )
349 Aml = &ByteData[CurrentByteOffset];
351 /* Get the descriptor type and length */
353 ResourceType = AcpiUtGetResourceType (Aml);
354 ResourceLength = AcpiUtGetResourceLength (Aml);
356 /* Validate the Resource Type and Resource Length */
358 Status = AcpiUtValidateResource (Aml, &ResourceIndex);
359 if (ACPI_FAILURE (Status))
361 AcpiOsPrintf ("/*** Could not validate Resource, type (%X) %s***/\n",
362 ResourceType, AcpiFormatException (Status));
366 /* Point to next descriptor */
368 CurrentByteOffset += AcpiUtGetDescriptorLength (Aml);
370 /* Descriptor pre-processing */
372 switch (ResourceType)
374 case ACPI_RESOURCE_NAME_START_DEPENDENT:
376 /* Finish a previous StartDependentFns */
381 AcpiDmIndent (Level);
382 AcpiOsPrintf ("}\n");
386 case ACPI_RESOURCE_NAME_END_DEPENDENT:
389 DependentFns = FALSE;
392 case ACPI_RESOURCE_NAME_END_TAG:
394 /* Normal exit, the resource list is finished */
399 * Close an open StartDependentDescriptor. This indicates a
400 * missing EndDependentDescriptor.
403 DependentFns = FALSE;
405 /* Go ahead and insert EndDependentFn() */
407 AcpiDmEndDependentDescriptor (Aml, ResourceLength, Level);
409 AcpiDmIndent (Level);
411 "/*** Disassembler: inserted missing EndDependentFn () ***/\n");
419 /* Disassemble the resource structure */
423 ResourceName = Node->Name.Integer;
427 AcpiGbl_DumpResourceDispatch [ResourceIndex] (
428 Aml, ResourceLength, Level);
430 /* Descriptor post-processing */
432 if (ResourceType == ACPI_RESOURCE_NAME_START_DEPENDENT)
441 /*******************************************************************************
443 * FUNCTION: AcpiDmIsResourceTemplate
445 * PARAMETERS: Op - Buffer Op to be examined
447 * RETURN: Status. AE_OK if valid template
449 * DESCRIPTION: Walk a byte list to determine if it consists of a valid set
450 * of resource descriptors. Nothing is output.
452 ******************************************************************************/
455 AcpiDmIsResourceTemplate (
456 ACPI_PARSE_OBJECT *Op)
459 ACPI_PARSE_OBJECT *NextOp;
465 /* This op must be a buffer */
467 if (Op->Common.AmlOpcode != AML_BUFFER_OP)
472 /* Get the ByteData list and length */
474 NextOp = Op->Common.Value.Arg;
475 NextOp = NextOp->Common.Next;
481 Aml = NextOp->Named.Data;
482 Length = (ACPI_SIZE) NextOp->Common.Value.Integer;
484 /* Walk the byte list, abort on any invalid descriptor type or length */
486 Status = AcpiUtWalkAmlResources (Aml, Length, NULL, &EndAml);
487 if (ACPI_FAILURE (Status))
493 * For the resource template to be valid, one EndTag must appear
494 * at the very end of the ByteList, not before. (For proper disassembly
495 * of a ResourceTemplate, the buffer must not have any extra data after
498 if ((Aml + Length - sizeof (AML_RESOURCE_END_TAG)) != EndAml)
500 return (AE_AML_NO_RESOURCE_END_TAG);
504 * All resource descriptors are valid, therefore this list appears
505 * to be a valid resource template