1 /*******************************************************************************
3 * Module Name: dbtest - Various debug-related tests
5 ******************************************************************************/
7 /******************************************************************************
11 * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12 * All rights reserved.
16 * 2.1. This is your license from Intel Corp. under its intellectual property
17 * rights. You may have additional license terms from the party that provided
18 * you this software, covering your right to use that party's intellectual
21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22 * copy of the source code appearing in this file ("Covered Code") an
23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24 * base code distributed originally by Intel ("Original Intel Code") to copy,
25 * make derivatives, distribute, use and display any portion of the Covered
26 * Code in any form, with the right to sublicense such rights; and
28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29 * license (with the right to sublicense), under only those claims of Intel
30 * patents that are infringed by the Original Intel Code, to make, use, sell,
31 * offer to sell, and import the Covered Code and derivative works thereof
32 * solely to the minimum extent necessary to exercise the above copyright
33 * license, and in no event shall the patent license extend to any additions
34 * to or modifications of the Original Intel Code. No other license or right
35 * is granted directly or by implication, estoppel or otherwise;
37 * The above copyright and patent license is granted only if the following
42 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43 * Redistribution of source code of any substantial portion of the Covered
44 * Code or modification with rights to further distribute source must include
45 * the above Copyright Notice, the above License, this list of Conditions,
46 * and the following Disclaimer and Export Compliance provision. In addition,
47 * Licensee must cause all Covered Code to which Licensee contributes to
48 * contain a file documenting the changes Licensee made to create that Covered
49 * Code and the date of any change. Licensee must include in that file the
50 * documentation of any changes made by any predecessor Licensee. Licensee
51 * must include a prominent statement that the modification is derived,
52 * directly or indirectly, from Original Intel Code.
54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55 * Redistribution of source code of any substantial portion of the Covered
56 * Code or modification without rights to further distribute source must
57 * include the following Disclaimer and Export Compliance provision in the
58 * documentation and/or other materials provided with distribution. In
59 * addition, Licensee may not authorize further sublicense of source of any
60 * portion of the Covered Code, and must include terms to the effect that the
61 * license from Licensee to its licensee is limited to the intellectual
62 * property embodied in the software Licensee provides to its licensee, and
63 * not to intellectual property embodied in modifications its licensee may
66 * 3.3. Redistribution of Executable. Redistribution in executable form of any
67 * substantial portion of the Covered Code or modification must reproduce the
68 * above Copyright Notice, and the following Disclaimer and Export Compliance
69 * provision in the documentation and/or other materials provided with the
72 * 3.4. Intel retains all right, title, and interest in and to the Original
75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76 * Intel shall be used in advertising or otherwise to promote the sale, use or
77 * other dealings in products derived from or relating to the Covered Code
78 * without prior written authorization from Intel.
80 * 4. Disclaimer and Export Compliance
82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
99 * 4.3. Licensee shall not export, either directly or indirectly, any of this
100 * software or system incorporating such software without first obtaining any
101 * required license or other approval from the U. S. Department of Commerce or
102 * any other agency or department of the United States Government. In the
103 * event Licensee exports any such software from the United States or
104 * re-exports any such software from a foreign destination, Licensee shall
105 * ensure that the distribution and export/re-export of the software is in
106 * compliance with all laws, regulations, orders, or other restrictions of the
107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108 * any of its subsidiaries will export/re-export any technical data, process,
109 * software, or service, directly or indirectly, to any country for which the
110 * United States government or any agency thereof requires an export license,
111 * other governmental approval, or letter of assurance, without first obtaining
112 * such license, approval or letter.
114 *****************************************************************************
116 * Alternatively, you may choose to be licensed under the terms of the
119 * Redistribution and use in source and binary forms, with or without
120 * modification, are permitted provided that the following conditions
122 * 1. Redistributions of source code must retain the above copyright
123 * notice, this list of conditions, and the following disclaimer,
124 * without modification.
125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126 * substantially similar to the "NO WARRANTY" disclaimer below
127 * ("Disclaimer") and any redistribution must be conditioned upon
128 * including a substantially similar Disclaimer requirement for further
129 * binary redistribution.
130 * 3. Neither the names of the above-listed copyright holders nor the names
131 * of any contributors may be used to endorse or promote products derived
132 * from this software without specific prior written permission.
134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
146 * Alternatively, you may choose to be licensed under the terms of the
147 * GNU General Public License ("GPL") version 2 as published by the Free
148 * Software Foundation.
150 *****************************************************************************/
153 #include "accommon.h"
155 #include "acnamesp.h"
156 #include "acpredef.h"
160 #define _COMPONENT ACPI_CA_DEBUGGER
161 ACPI_MODULE_NAME ("dbtest")
164 /* Local prototypes */
167 AcpiDbTestAllObjects (
171 AcpiDbTestOneObject (
172 ACPI_HANDLE ObjHandle,
178 AcpiDbTestIntegerType (
179 ACPI_NAMESPACE_NODE *Node,
183 AcpiDbTestBufferType (
184 ACPI_NAMESPACE_NODE *Node,
188 AcpiDbTestStringType (
189 ACPI_NAMESPACE_NODE *Node,
193 AcpiDbTestPackageType (
194 ACPI_NAMESPACE_NODE *Node);
197 AcpiDbReadFromObject (
198 ACPI_NAMESPACE_NODE *Node,
199 ACPI_OBJECT_TYPE ExpectedType,
200 ACPI_OBJECT **Value);
203 AcpiDbWriteToObject (
204 ACPI_NAMESPACE_NODE *Node,
208 AcpiDbEvaluateAllPredefinedNames (
212 AcpiDbEvaluateOnePredefinedName (
213 ACPI_HANDLE ObjHandle,
221 static ACPI_DB_ARGUMENT_INFO AcpiDbTestTypes [] =
225 {NULL} /* Must be null terminated */
228 #define CMD_TEST_OBJECTS 0
229 #define CMD_TEST_PREDEFINED 1
231 #define BUFFER_FILL_VALUE 0xFF
234 * Support for the special debugger read/write control methods.
235 * These methods are installed into the current namespace and are
236 * used to read and write the various namespace objects. The point
237 * is to force the AML interpreter do all of the work.
239 #define ACPI_DB_READ_METHOD "\\_T98"
240 #define ACPI_DB_WRITE_METHOD "\\_T99"
242 static ACPI_HANDLE ReadHandle = NULL;
243 static ACPI_HANDLE WriteHandle = NULL;
245 /* ASL Definitions of the debugger read/write control methods */
248 DefinitionBlock ("ssdt.aml", "SSDT", 2, "Intel", "DEBUG", 0x00000001)
250 Method (_T98, 1, NotSerialized) /* Read */
252 Return (DeRefOf (Arg0))
255 DefinitionBlock ("ssdt2.aml", "SSDT", 2, "Intel", "DEBUG", 0x00000001)
257 Method (_T99, 2, NotSerialized) /* Write */
264 static unsigned char ReadMethodCode[] =
266 0x53,0x53,0x44,0x54,0x2E,0x00,0x00,0x00, /* 00000000 "SSDT...." */
267 0x02,0xC9,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 "..Intel." */
268 0x44,0x45,0x42,0x55,0x47,0x00,0x00,0x00, /* 00000010 "DEBUG..." */
269 0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
270 0x18,0x12,0x13,0x20,0x14,0x09,0x5F,0x54, /* 00000020 "... .._T" */
271 0x39,0x38,0x01,0xA4,0x83,0x68 /* 00000028 "98...h" */
274 static unsigned char WriteMethodCode[] =
276 0x53,0x53,0x44,0x54,0x2E,0x00,0x00,0x00, /* 00000000 "SSDT...." */
277 0x02,0x15,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 "..Intel." */
278 0x44,0x45,0x42,0x55,0x47,0x00,0x00,0x00, /* 00000010 "DEBUG..." */
279 0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
280 0x18,0x12,0x13,0x20,0x14,0x09,0x5F,0x54, /* 00000020 "... .._T" */
281 0x39,0x39,0x02,0x70,0x69,0x68 /* 00000028 "99.pih" */
285 /*******************************************************************************
287 * FUNCTION: AcpiDbExecuteTest
289 * PARAMETERS: TypeArg - Subcommand
293 * DESCRIPTION: Execute various debug tests.
295 * Note: Code is prepared for future expansion of the TEST command.
297 ******************************************************************************/
306 AcpiUtStrupr (TypeArg);
307 Temp = AcpiDbMatchArgument (TypeArg, AcpiDbTestTypes);
308 if (Temp == ACPI_TYPE_NOT_FOUND)
310 AcpiOsPrintf ("Invalid or unsupported argument\n");
316 case CMD_TEST_OBJECTS:
318 AcpiDbTestAllObjects ();
321 case CMD_TEST_PREDEFINED:
323 AcpiDbEvaluateAllPredefinedNames (NULL);
332 /*******************************************************************************
334 * FUNCTION: AcpiDbTestAllObjects
340 * DESCRIPTION: This test implements the OBJECTS subcommand. It exercises the
341 * namespace by reading/writing/comparing all data objects such
342 * as integers, strings, buffers, fields, buffer fields, etc.
344 ******************************************************************************/
347 AcpiDbTestAllObjects (
353 /* Install the debugger read-object control method if necessary */
357 Status = AcpiInstallMethod (ReadMethodCode);
358 if (ACPI_FAILURE (Status))
360 AcpiOsPrintf ("%s, Could not install debugger read method\n",
361 AcpiFormatException (Status));
365 Status = AcpiGetHandle (NULL, ACPI_DB_READ_METHOD, &ReadHandle);
366 if (ACPI_FAILURE (Status))
368 AcpiOsPrintf ("Could not obtain handle for debug method %s\n",
369 ACPI_DB_READ_METHOD);
374 /* Install the debugger write-object control method if necessary */
378 Status = AcpiInstallMethod (WriteMethodCode);
379 if (ACPI_FAILURE (Status))
381 AcpiOsPrintf ("%s, Could not install debugger write method\n",
382 AcpiFormatException (Status));
386 Status = AcpiGetHandle (NULL, ACPI_DB_WRITE_METHOD, &WriteHandle);
387 if (ACPI_FAILURE (Status))
389 AcpiOsPrintf ("Could not obtain handle for debug method %s\n",
390 ACPI_DB_WRITE_METHOD);
395 /* Walk the entire namespace, testing each supported named data object */
397 (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
398 ACPI_UINT32_MAX, AcpiDbTestOneObject, NULL, NULL, NULL);
402 /*******************************************************************************
404 * FUNCTION: AcpiDbTestOneObject
406 * PARAMETERS: ACPI_WALK_CALLBACK
410 * DESCRIPTION: Test one namespace object. Supported types are Integer,
411 * String, Buffer, BufferField, and FieldUnit. All other object
412 * types are simply ignored.
414 * Note: Support for Packages is not implemented.
416 ******************************************************************************/
419 AcpiDbTestOneObject (
420 ACPI_HANDLE ObjHandle,
425 ACPI_NAMESPACE_NODE *Node;
426 ACPI_OPERAND_OBJECT *ObjDesc;
427 ACPI_OPERAND_OBJECT *RegionObj;
428 ACPI_OBJECT_TYPE LocalType;
429 UINT32 BitLength = 0;
430 UINT32 ByteLength = 0;
431 ACPI_STATUS Status = AE_OK;
434 Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjHandle);
435 ObjDesc = Node->Object;
438 * For the supported types, get the actual bit length or
439 * byte length. Map the type to one of Integer/String/Buffer.
443 case ACPI_TYPE_INTEGER:
445 /* Integer width is either 32 or 64 */
447 LocalType = ACPI_TYPE_INTEGER;
448 BitLength = AcpiGbl_IntegerBitWidth;
451 case ACPI_TYPE_STRING:
453 LocalType = ACPI_TYPE_STRING;
454 ByteLength = ObjDesc->String.Length;
457 case ACPI_TYPE_BUFFER:
459 LocalType = ACPI_TYPE_BUFFER;
460 ByteLength = ObjDesc->Buffer.Length;
461 BitLength = ByteLength * 8;
464 case ACPI_TYPE_PACKAGE:
466 LocalType = ACPI_TYPE_PACKAGE;
469 case ACPI_TYPE_FIELD_UNIT:
470 case ACPI_TYPE_BUFFER_FIELD:
471 case ACPI_TYPE_LOCAL_REGION_FIELD:
472 case ACPI_TYPE_LOCAL_INDEX_FIELD:
473 case ACPI_TYPE_LOCAL_BANK_FIELD:
475 LocalType = ACPI_TYPE_INTEGER;
479 * Returned object will be a Buffer if the field length
480 * is larger than the size of an Integer (32 or 64 bits
481 * depending on the DSDT version).
483 BitLength = ObjDesc->CommonField.BitLength;
484 ByteLength = ACPI_ROUND_BITS_UP_TO_BYTES (BitLength);
485 if (BitLength > AcpiGbl_IntegerBitWidth)
487 LocalType = ACPI_TYPE_BUFFER;
494 /* Ignore all other types */
499 /* Emit the common prefix: Type:Name */
501 AcpiOsPrintf ("%14s: %4.4s",
502 AcpiUtGetTypeName (Node->Type), Node->Name.Ascii);
506 AcpiOsPrintf (" Ignoring, no attached object\n");
511 * Check for unsupported region types. Note: AcpiExec simulates
512 * access to SystemMemory, SystemIO, PCI_Config, and EC.
516 case ACPI_TYPE_LOCAL_REGION_FIELD:
518 RegionObj = ObjDesc->Field.RegionObj;
519 switch (RegionObj->Region.SpaceId)
521 case ACPI_ADR_SPACE_SYSTEM_MEMORY:
522 case ACPI_ADR_SPACE_SYSTEM_IO:
523 case ACPI_ADR_SPACE_PCI_CONFIG:
529 AcpiOsPrintf (" %s space is not supported in this command [%4.4s]\n",
530 AcpiUtGetRegionName (RegionObj->Region.SpaceId),
531 RegionObj->Region.Node->Name.Ascii);
540 /* At this point, we have resolved the object to one of the major types */
544 case ACPI_TYPE_INTEGER:
546 Status = AcpiDbTestIntegerType (Node, BitLength);
549 case ACPI_TYPE_STRING:
551 Status = AcpiDbTestStringType (Node, ByteLength);
554 case ACPI_TYPE_BUFFER:
556 Status = AcpiDbTestBufferType (Node, BitLength);
559 case ACPI_TYPE_PACKAGE:
561 Status = AcpiDbTestPackageType (Node);
566 AcpiOsPrintf (" Ignoring, type not implemented (%2.2X)",
571 /* Exit on error, but don't abort the namespace walk */
573 if (ACPI_FAILURE (Status))
581 case ACPI_TYPE_LOCAL_REGION_FIELD:
583 RegionObj = ObjDesc->Field.RegionObj;
584 AcpiOsPrintf (" (%s)",
585 AcpiUtGetRegionName (RegionObj->Region.SpaceId));
599 /*******************************************************************************
601 * FUNCTION: AcpiDbTestIntegerType
603 * PARAMETERS: Node - Parent NS node for the object
604 * BitLength - Actual length of the object. Used for
605 * support of arbitrary length FieldUnit
606 * and BufferField objects.
610 * DESCRIPTION: Test read/write for an Integer-valued object. Performs a
611 * write/read/compare of an arbitrary new value, then performs
612 * a write/read/compare of the original value.
614 ******************************************************************************/
617 AcpiDbTestIntegerType (
618 ACPI_NAMESPACE_NODE *Node,
621 ACPI_OBJECT *Temp1 = NULL;
622 ACPI_OBJECT *Temp2 = NULL;
623 ACPI_OBJECT *Temp3 = NULL;
624 ACPI_OBJECT WriteValue;
631 AcpiOsPrintf (" Invalid length for an Integer: %u", BitLength);
635 /* Read the original value */
637 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_INTEGER, &Temp1);
638 if (ACPI_FAILURE (Status))
643 AcpiOsPrintf (" (%4.4X/%3.3X) %8.8X%8.8X",
644 BitLength, ACPI_ROUND_BITS_UP_TO_BYTES (BitLength),
645 ACPI_FORMAT_UINT64 (Temp1->Integer.Value));
647 ValueToWrite = ACPI_UINT64_MAX >> (64 - BitLength);
648 if (Temp1->Integer.Value == ValueToWrite)
652 /* Write a new value */
654 WriteValue.Type = ACPI_TYPE_INTEGER;
655 WriteValue.Integer.Value = ValueToWrite;
656 Status = AcpiDbWriteToObject (Node, &WriteValue);
657 if (ACPI_FAILURE (Status))
662 /* Ensure that we can read back the new value */
664 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_INTEGER, &Temp2);
665 if (ACPI_FAILURE (Status))
670 if (Temp2->Integer.Value != ValueToWrite)
672 AcpiOsPrintf (" MISMATCH 2: %8.8X%8.8X, expecting %8.8X%8.8X",
673 ACPI_FORMAT_UINT64 (Temp2->Integer.Value),
674 ACPI_FORMAT_UINT64 (ValueToWrite));
677 /* Write back the original value */
679 WriteValue.Integer.Value = Temp1->Integer.Value;
680 Status = AcpiDbWriteToObject (Node, &WriteValue);
681 if (ACPI_FAILURE (Status))
686 /* Ensure that we can read back the original value */
688 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_INTEGER, &Temp3);
689 if (ACPI_FAILURE (Status))
694 if (Temp3->Integer.Value != Temp1->Integer.Value)
696 AcpiOsPrintf (" MISMATCH 3: %8.8X%8.8X, expecting %8.8X%8.8X",
697 ACPI_FORMAT_UINT64 (Temp3->Integer.Value),
698 ACPI_FORMAT_UINT64 (Temp1->Integer.Value));
702 if (Temp1) {AcpiOsFree (Temp1);}
703 if (Temp2) {AcpiOsFree (Temp2);}
704 if (Temp3) {AcpiOsFree (Temp3);}
709 /*******************************************************************************
711 * FUNCTION: AcpiDbTestBufferType
713 * PARAMETERS: Node - Parent NS node for the object
714 * BitLength - Actual length of the object.
718 * DESCRIPTION: Test read/write for an Buffer-valued object. Performs a
719 * write/read/compare of an arbitrary new value, then performs
720 * a write/read/compare of the original value.
722 ******************************************************************************/
725 AcpiDbTestBufferType (
726 ACPI_NAMESPACE_NODE *Node,
729 ACPI_OBJECT *Temp1 = NULL;
730 ACPI_OBJECT *Temp2 = NULL;
731 ACPI_OBJECT *Temp3 = NULL;
733 ACPI_OBJECT WriteValue;
740 ByteLength = ACPI_ROUND_BITS_UP_TO_BYTES (BitLength);
743 AcpiOsPrintf (" Ignoring zero length buffer");
747 /* Allocate a local buffer */
749 Buffer = ACPI_ALLOCATE_ZEROED (ByteLength);
752 return (AE_NO_MEMORY);
755 /* Read the original value */
757 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_BUFFER, &Temp1);
758 if (ACPI_FAILURE (Status))
763 /* Emit a few bytes of the buffer */
765 AcpiOsPrintf (" (%4.4X/%3.3X)", BitLength, Temp1->Buffer.Length);
766 for (i = 0; ((i < 4) && (i < ByteLength)); i++)
768 AcpiOsPrintf (" %2.2X", Temp1->Buffer.Pointer[i]);
770 AcpiOsPrintf ("... ");
775 * Handle possible extra bits at the end of the buffer. Can
776 * happen for FieldUnits larger than an integer, but the bit
777 * count is not an integral number of bytes. Zero out the
780 memset (Buffer, BUFFER_FILL_VALUE, ByteLength);
781 ExtraBits = BitLength % 8;
784 Buffer [ByteLength - 1] = ACPI_MASK_BITS_ABOVE (ExtraBits);
787 WriteValue.Type = ACPI_TYPE_BUFFER;
788 WriteValue.Buffer.Length = ByteLength;
789 WriteValue.Buffer.Pointer = Buffer;
791 Status = AcpiDbWriteToObject (Node, &WriteValue);
792 if (ACPI_FAILURE (Status))
797 /* Ensure that we can read back the new value */
799 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_BUFFER, &Temp2);
800 if (ACPI_FAILURE (Status))
805 if (memcmp (Temp2->Buffer.Pointer, Buffer, ByteLength))
807 AcpiOsPrintf (" MISMATCH 2: New buffer value");
810 /* Write back the original value */
812 WriteValue.Buffer.Length = ByteLength;
813 WriteValue.Buffer.Pointer = Temp1->Buffer.Pointer;
815 Status = AcpiDbWriteToObject (Node, &WriteValue);
816 if (ACPI_FAILURE (Status))
821 /* Ensure that we can read back the original value */
823 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_BUFFER, &Temp3);
824 if (ACPI_FAILURE (Status))
829 if (memcmp (Temp1->Buffer.Pointer,
830 Temp3->Buffer.Pointer, ByteLength))
832 AcpiOsPrintf (" MISMATCH 3: While restoring original buffer");
837 if (Temp1) {AcpiOsFree (Temp1);}
838 if (Temp2) {AcpiOsFree (Temp2);}
839 if (Temp3) {AcpiOsFree (Temp3);}
844 /*******************************************************************************
846 * FUNCTION: AcpiDbTestStringType
848 * PARAMETERS: Node - Parent NS node for the object
849 * ByteLength - Actual length of the object.
853 * DESCRIPTION: Test read/write for an String-valued object. Performs a
854 * write/read/compare of an arbitrary new value, then performs
855 * a write/read/compare of the original value.
857 ******************************************************************************/
860 AcpiDbTestStringType (
861 ACPI_NAMESPACE_NODE *Node,
864 ACPI_OBJECT *Temp1 = NULL;
865 ACPI_OBJECT *Temp2 = NULL;
866 ACPI_OBJECT *Temp3 = NULL;
867 char *ValueToWrite = "Test String from AML Debugger";
868 ACPI_OBJECT WriteValue;
872 /* Read the original value */
874 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_STRING, &Temp1);
875 if (ACPI_FAILURE (Status))
880 AcpiOsPrintf (" (%4.4X/%3.3X) \"%s\"", (Temp1->String.Length * 8),
881 Temp1->String.Length, Temp1->String.Pointer);
883 /* Write a new value */
885 WriteValue.Type = ACPI_TYPE_STRING;
886 WriteValue.String.Length = strlen (ValueToWrite);
887 WriteValue.String.Pointer = ValueToWrite;
889 Status = AcpiDbWriteToObject (Node, &WriteValue);
890 if (ACPI_FAILURE (Status))
895 /* Ensure that we can read back the new value */
897 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_STRING, &Temp2);
898 if (ACPI_FAILURE (Status))
903 if (strcmp (Temp2->String.Pointer, ValueToWrite))
905 AcpiOsPrintf (" MISMATCH 2: %s, expecting %s",
906 Temp2->String.Pointer, ValueToWrite);
909 /* Write back the original value */
911 WriteValue.String.Length = strlen (Temp1->String.Pointer);
912 WriteValue.String.Pointer = Temp1->String.Pointer;
914 Status = AcpiDbWriteToObject (Node, &WriteValue);
915 if (ACPI_FAILURE (Status))
920 /* Ensure that we can read back the original value */
922 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_STRING, &Temp3);
923 if (ACPI_FAILURE (Status))
928 if (strcmp (Temp1->String.Pointer, Temp3->String.Pointer))
930 AcpiOsPrintf (" MISMATCH 3: %s, expecting %s",
931 Temp3->String.Pointer, Temp1->String.Pointer);
935 if (Temp1) {AcpiOsFree (Temp1);}
936 if (Temp2) {AcpiOsFree (Temp2);}
937 if (Temp3) {AcpiOsFree (Temp3);}
942 /*******************************************************************************
944 * FUNCTION: AcpiDbTestPackageType
946 * PARAMETERS: Node - Parent NS node for the object
950 * DESCRIPTION: Test read for a Package object.
952 ******************************************************************************/
955 AcpiDbTestPackageType (
956 ACPI_NAMESPACE_NODE *Node)
958 ACPI_OBJECT *Temp1 = NULL;
962 /* Read the original value */
964 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_PACKAGE, &Temp1);
965 if (ACPI_FAILURE (Status))
970 AcpiOsPrintf (" %8.8X Elements", Temp1->Package.Count);
976 /*******************************************************************************
978 * FUNCTION: AcpiDbReadFromObject
980 * PARAMETERS: Node - Parent NS node for the object
981 * ExpectedType - Object type expected from the read
982 * Value - Where the value read is returned
986 * DESCRIPTION: Performs a read from the specified object by invoking the
987 * special debugger control method that reads the object. Thus,
988 * the AML interpreter is doing all of the work, increasing the
989 * validity of the test.
991 ******************************************************************************/
994 AcpiDbReadFromObject (
995 ACPI_NAMESPACE_NODE *Node,
996 ACPI_OBJECT_TYPE ExpectedType,
999 ACPI_OBJECT *RetValue;
1000 ACPI_OBJECT_LIST ParamObjects;
1001 ACPI_OBJECT Params[2];
1002 ACPI_BUFFER ReturnObj;
1006 Params[0].Type = ACPI_TYPE_LOCAL_REFERENCE;
1007 Params[0].Reference.ActualType = Node->Type;
1008 Params[0].Reference.Handle = ACPI_CAST_PTR (ACPI_HANDLE, Node);
1010 ParamObjects.Count = 1;
1011 ParamObjects.Pointer = Params;
1013 ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
1015 AcpiGbl_MethodExecuting = TRUE;
1016 Status = AcpiEvaluateObject (ReadHandle, NULL,
1017 &ParamObjects, &ReturnObj);
1019 AcpiGbl_MethodExecuting = FALSE;
1020 if (ACPI_FAILURE (Status))
1022 AcpiOsPrintf ("Could not read from object, %s",
1023 AcpiFormatException (Status));
1027 RetValue = (ACPI_OBJECT *) ReturnObj.Pointer;
1029 switch (RetValue->Type)
1031 case ACPI_TYPE_INTEGER:
1032 case ACPI_TYPE_BUFFER:
1033 case ACPI_TYPE_STRING:
1034 case ACPI_TYPE_PACKAGE:
1036 * Did we receive the type we wanted? Most important for the
1037 * Integer/Buffer case (when a field is larger than an Integer,
1038 * it should return a Buffer).
1040 if (RetValue->Type != ExpectedType)
1042 AcpiOsPrintf (" Type mismatch: Expected %s, Received %s",
1043 AcpiUtGetTypeName (ExpectedType),
1044 AcpiUtGetTypeName (RetValue->Type));
1046 AcpiOsFree (ReturnObj.Pointer);
1055 AcpiOsPrintf (" Unsupported return object type, %s",
1056 AcpiUtGetTypeName (RetValue->Type));
1058 AcpiOsFree (ReturnObj.Pointer);
1066 /*******************************************************************************
1068 * FUNCTION: AcpiDbWriteToObject
1070 * PARAMETERS: Node - Parent NS node for the object
1071 * Value - Value to be written
1075 * DESCRIPTION: Performs a write to the specified object by invoking the
1076 * special debugger control method that writes the object. Thus,
1077 * the AML interpreter is doing all of the work, increasing the
1078 * validity of the test.
1080 ******************************************************************************/
1083 AcpiDbWriteToObject (
1084 ACPI_NAMESPACE_NODE *Node,
1087 ACPI_OBJECT_LIST ParamObjects;
1088 ACPI_OBJECT Params[2];
1092 Params[0].Type = ACPI_TYPE_LOCAL_REFERENCE;
1093 Params[0].Reference.ActualType = Node->Type;
1094 Params[0].Reference.Handle = ACPI_CAST_PTR (ACPI_HANDLE, Node);
1096 /* Copy the incoming user parameter */
1098 memcpy (&Params[1], Value, sizeof (ACPI_OBJECT));
1100 ParamObjects.Count = 2;
1101 ParamObjects.Pointer = Params;
1103 AcpiGbl_MethodExecuting = TRUE;
1104 Status = AcpiEvaluateObject (WriteHandle, NULL, &ParamObjects, NULL);
1105 AcpiGbl_MethodExecuting = FALSE;
1107 if (ACPI_FAILURE (Status))
1109 AcpiOsPrintf ("Could not write to object, %s",
1110 AcpiFormatException (Status));
1117 /*******************************************************************************
1119 * FUNCTION: AcpiDbEvaluateAllPredefinedNames
1121 * PARAMETERS: CountArg - Max number of methods to execute
1125 * DESCRIPTION: Namespace batch execution. Execute predefined names in the
1126 * namespace, up to the max count, if specified.
1128 ******************************************************************************/
1131 AcpiDbEvaluateAllPredefinedNames (
1134 ACPI_DB_EXECUTE_WALK Info;
1138 Info.MaxCount = ACPI_UINT32_MAX;
1142 Info.MaxCount = strtoul (CountArg, NULL, 0);
1145 /* Search all nodes in namespace */
1147 (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
1148 ACPI_UINT32_MAX, AcpiDbEvaluateOnePredefinedName, NULL,
1149 (void *) &Info, NULL);
1152 "Evaluated %u predefined names in the namespace\n", Info.Count);
1156 /*******************************************************************************
1158 * FUNCTION: AcpiDbEvaluateOnePredefinedName
1160 * PARAMETERS: Callback from WalkNamespace
1164 * DESCRIPTION: Batch execution module. Currently only executes predefined
1167 ******************************************************************************/
1170 AcpiDbEvaluateOnePredefinedName (
1171 ACPI_HANDLE ObjHandle,
1172 UINT32 NestingLevel,
1176 ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
1177 ACPI_DB_EXECUTE_WALK *Info = (ACPI_DB_EXECUTE_WALK *) Context;
1179 const ACPI_PREDEFINED_INFO *Predefined;
1180 ACPI_DEVICE_INFO *ObjInfo;
1181 ACPI_OBJECT_LIST ParamObjects;
1182 ACPI_OBJECT Params[ACPI_METHOD_NUM_ARGS];
1183 ACPI_OBJECT *ThisParam;
1184 ACPI_BUFFER ReturnObj;
1192 /* The name must be a predefined ACPI name */
1194 Predefined = AcpiUtMatchPredefinedMethod (Node->Name.Ascii);
1200 if (Node->Type == ACPI_TYPE_LOCAL_SCOPE)
1205 Pathname = AcpiNsGetNormalizedPathname (Node, TRUE);
1211 /* Get the object info for number of method parameters */
1213 Status = AcpiGetObjectInfo (ObjHandle, &ObjInfo);
1214 if (ACPI_FAILURE (Status))
1216 ACPI_FREE (Pathname);
1220 ParamObjects.Count = 0;
1221 ParamObjects.Pointer = NULL;
1223 if (ObjInfo->Type == ACPI_TYPE_METHOD)
1225 /* Setup default parameters (with proper types) */
1227 ArgTypeList = Predefined->Info.ArgumentList;
1228 ArgCount = METHOD_GET_ARG_COUNT (ArgTypeList);
1231 * Setup the ACPI-required number of arguments, regardless of what
1232 * the actual method defines. If there is a difference, then the
1233 * method is wrong and a warning will be issued during execution.
1236 for (i = 0; i < ArgCount; i++)
1238 ArgType = METHOD_GET_NEXT_TYPE (ArgTypeList);
1239 ThisParam->Type = ArgType;
1243 case ACPI_TYPE_INTEGER:
1245 ThisParam->Integer.Value = 1;
1248 case ACPI_TYPE_STRING:
1250 ThisParam->String.Pointer =
1251 "This is the default argument string";
1252 ThisParam->String.Length =
1253 strlen (ThisParam->String.Pointer);
1256 case ACPI_TYPE_BUFFER:
1258 ThisParam->Buffer.Pointer = (UINT8 *) Params; /* just a garbage buffer */
1259 ThisParam->Buffer.Length = 48;
1262 case ACPI_TYPE_PACKAGE:
1264 ThisParam->Package.Elements = NULL;
1265 ThisParam->Package.Count = 0;
1270 AcpiOsPrintf ("%s: Unsupported argument type: %u\n",
1278 ParamObjects.Count = ArgCount;
1279 ParamObjects.Pointer = Params;
1282 ACPI_FREE (ObjInfo);
1283 ReturnObj.Pointer = NULL;
1284 ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
1286 /* Do the actual method execution */
1288 AcpiGbl_MethodExecuting = TRUE;
1290 Status = AcpiEvaluateObject (Node, NULL, &ParamObjects, &ReturnObj);
1292 AcpiOsPrintf ("%-32s returned %s\n",
1293 Pathname, AcpiFormatException (Status));
1294 AcpiGbl_MethodExecuting = FALSE;
1295 ACPI_FREE (Pathname);
1297 /* Ignore status from method execution */
1301 /* Update count, check if we have executed enough methods */
1304 if (Info->Count >= Info->MaxCount)
1306 Status = AE_CTRL_TERMINATE;
1312 #endif /* ACPI_DEBUGGER */