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 *****************************************************************************/
152 #include <contrib/dev/acpica/include/acpi.h>
153 #include <contrib/dev/acpica/include/accommon.h>
154 #include <contrib/dev/acpica/include/acdebug.h>
155 #include <contrib/dev/acpica/include/acnamesp.h>
156 #include <contrib/dev/acpica/include/acpredef.h>
159 #define _COMPONENT ACPI_CA_DEBUGGER
160 ACPI_MODULE_NAME ("dbtest")
163 /* Local prototypes */
166 AcpiDbTestAllObjects (
170 AcpiDbTestOneObject (
171 ACPI_HANDLE ObjHandle,
177 AcpiDbTestIntegerType (
178 ACPI_NAMESPACE_NODE *Node,
182 AcpiDbTestBufferType (
183 ACPI_NAMESPACE_NODE *Node,
187 AcpiDbTestStringType (
188 ACPI_NAMESPACE_NODE *Node,
192 AcpiDbTestPackageType (
193 ACPI_NAMESPACE_NODE *Node);
196 AcpiDbReadFromObject (
197 ACPI_NAMESPACE_NODE *Node,
198 ACPI_OBJECT_TYPE ExpectedType,
199 ACPI_OBJECT **Value);
202 AcpiDbWriteToObject (
203 ACPI_NAMESPACE_NODE *Node,
207 AcpiDbEvaluateAllPredefinedNames (
211 AcpiDbEvaluateOnePredefinedName (
212 ACPI_HANDLE ObjHandle,
220 static ACPI_DB_ARGUMENT_INFO AcpiDbTestTypes [] =
224 {NULL} /* Must be null terminated */
227 #define CMD_TEST_OBJECTS 0
228 #define CMD_TEST_PREDEFINED 1
230 #define BUFFER_FILL_VALUE 0xFF
233 * Support for the special debugger read/write control methods.
234 * These methods are installed into the current namespace and are
235 * used to read and write the various namespace objects. The point
236 * is to force the AML interpreter do all of the work.
238 #define ACPI_DB_READ_METHOD "\\_T98"
239 #define ACPI_DB_WRITE_METHOD "\\_T99"
241 static ACPI_HANDLE ReadHandle = NULL;
242 static ACPI_HANDLE WriteHandle = NULL;
244 /* ASL Definitions of the debugger read/write control methods */
247 DefinitionBlock ("ssdt.aml", "SSDT", 2, "Intel", "DEBUG", 0x00000001)
249 Method (_T98, 1, NotSerialized) /* Read */
251 Return (DeRefOf (Arg0))
254 DefinitionBlock ("ssdt2.aml", "SSDT", 2, "Intel", "DEBUG", 0x00000001)
256 Method (_T99, 2, NotSerialized) /* Write */
263 static unsigned char ReadMethodCode[] =
265 0x53,0x53,0x44,0x54,0x2E,0x00,0x00,0x00, /* 00000000 "SSDT...." */
266 0x02,0xC9,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 "..Intel." */
267 0x44,0x45,0x42,0x55,0x47,0x00,0x00,0x00, /* 00000010 "DEBUG..." */
268 0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
269 0x18,0x12,0x13,0x20,0x14,0x09,0x5F,0x54, /* 00000020 "... .._T" */
270 0x39,0x38,0x01,0xA4,0x83,0x68 /* 00000028 "98...h" */
273 static unsigned char WriteMethodCode[] =
275 0x53,0x53,0x44,0x54,0x2E,0x00,0x00,0x00, /* 00000000 "SSDT...." */
276 0x02,0x15,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 "..Intel." */
277 0x44,0x45,0x42,0x55,0x47,0x00,0x00,0x00, /* 00000010 "DEBUG..." */
278 0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
279 0x18,0x12,0x13,0x20,0x14,0x09,0x5F,0x54, /* 00000020 "... .._T" */
280 0x39,0x39,0x02,0x70,0x69,0x68 /* 00000028 "99.pih" */
284 /*******************************************************************************
286 * FUNCTION: AcpiDbExecuteTest
288 * PARAMETERS: TypeArg - Subcommand
292 * DESCRIPTION: Execute various debug tests.
294 * Note: Code is prepared for future expansion of the TEST command.
296 ******************************************************************************/
305 AcpiUtStrupr (TypeArg);
306 Temp = AcpiDbMatchArgument (TypeArg, AcpiDbTestTypes);
307 if (Temp == ACPI_TYPE_NOT_FOUND)
309 AcpiOsPrintf ("Invalid or unsupported argument\n");
315 case CMD_TEST_OBJECTS:
317 AcpiDbTestAllObjects ();
320 case CMD_TEST_PREDEFINED:
322 AcpiDbEvaluateAllPredefinedNames (NULL);
331 /*******************************************************************************
333 * FUNCTION: AcpiDbTestAllObjects
339 * DESCRIPTION: This test implements the OBJECTS subcommand. It exercises the
340 * namespace by reading/writing/comparing all data objects such
341 * as integers, strings, buffers, fields, buffer fields, etc.
343 ******************************************************************************/
346 AcpiDbTestAllObjects (
352 /* Install the debugger read-object control method if necessary */
356 Status = AcpiInstallMethod (ReadMethodCode);
357 if (ACPI_FAILURE (Status))
359 AcpiOsPrintf ("%s, Could not install debugger read method\n",
360 AcpiFormatException (Status));
364 Status = AcpiGetHandle (NULL, ACPI_DB_READ_METHOD, &ReadHandle);
365 if (ACPI_FAILURE (Status))
367 AcpiOsPrintf ("Could not obtain handle for debug method %s\n",
368 ACPI_DB_READ_METHOD);
373 /* Install the debugger write-object control method if necessary */
377 Status = AcpiInstallMethod (WriteMethodCode);
378 if (ACPI_FAILURE (Status))
380 AcpiOsPrintf ("%s, Could not install debugger write method\n",
381 AcpiFormatException (Status));
385 Status = AcpiGetHandle (NULL, ACPI_DB_WRITE_METHOD, &WriteHandle);
386 if (ACPI_FAILURE (Status))
388 AcpiOsPrintf ("Could not obtain handle for debug method %s\n",
389 ACPI_DB_WRITE_METHOD);
394 /* Walk the entire namespace, testing each supported named data object */
396 (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
397 ACPI_UINT32_MAX, AcpiDbTestOneObject, NULL, NULL, NULL);
401 /*******************************************************************************
403 * FUNCTION: AcpiDbTestOneObject
405 * PARAMETERS: ACPI_WALK_CALLBACK
409 * DESCRIPTION: Test one namespace object. Supported types are Integer,
410 * String, Buffer, BufferField, and FieldUnit. All other object
411 * types are simply ignored.
413 * Note: Support for Packages is not implemented.
415 ******************************************************************************/
418 AcpiDbTestOneObject (
419 ACPI_HANDLE ObjHandle,
424 ACPI_NAMESPACE_NODE *Node;
425 ACPI_OPERAND_OBJECT *ObjDesc;
426 ACPI_OPERAND_OBJECT *RegionObj;
427 ACPI_OBJECT_TYPE LocalType;
428 UINT32 BitLength = 0;
429 UINT32 ByteLength = 0;
430 ACPI_STATUS Status = AE_OK;
433 Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjHandle);
434 ObjDesc = Node->Object;
437 * For the supported types, get the actual bit length or
438 * byte length. Map the type to one of Integer/String/Buffer.
442 case ACPI_TYPE_INTEGER:
444 /* Integer width is either 32 or 64 */
446 LocalType = ACPI_TYPE_INTEGER;
447 BitLength = AcpiGbl_IntegerBitWidth;
450 case ACPI_TYPE_STRING:
452 LocalType = ACPI_TYPE_STRING;
453 ByteLength = ObjDesc->String.Length;
456 case ACPI_TYPE_BUFFER:
458 LocalType = ACPI_TYPE_BUFFER;
459 ByteLength = ObjDesc->Buffer.Length;
460 BitLength = ByteLength * 8;
463 case ACPI_TYPE_PACKAGE:
465 LocalType = ACPI_TYPE_PACKAGE;
468 case ACPI_TYPE_FIELD_UNIT:
469 case ACPI_TYPE_BUFFER_FIELD:
470 case ACPI_TYPE_LOCAL_REGION_FIELD:
471 case ACPI_TYPE_LOCAL_INDEX_FIELD:
472 case ACPI_TYPE_LOCAL_BANK_FIELD:
474 LocalType = ACPI_TYPE_INTEGER;
478 * Returned object will be a Buffer if the field length
479 * is larger than the size of an Integer (32 or 64 bits
480 * depending on the DSDT version).
482 BitLength = ObjDesc->CommonField.BitLength;
483 ByteLength = ACPI_ROUND_BITS_UP_TO_BYTES (BitLength);
484 if (BitLength > AcpiGbl_IntegerBitWidth)
486 LocalType = ACPI_TYPE_BUFFER;
493 /* Ignore all other types */
498 /* Emit the common prefix: Type:Name */
500 AcpiOsPrintf ("%14s: %4.4s",
501 AcpiUtGetTypeName (Node->Type), Node->Name.Ascii);
505 AcpiOsPrintf (" Ignoring, no attached object\n");
510 * Check for unsupported region types. Note: AcpiExec simulates
511 * access to SystemMemory, SystemIO, PCI_Config, and EC.
515 case ACPI_TYPE_LOCAL_REGION_FIELD:
517 RegionObj = ObjDesc->Field.RegionObj;
518 switch (RegionObj->Region.SpaceId)
520 case ACPI_ADR_SPACE_SYSTEM_MEMORY:
521 case ACPI_ADR_SPACE_SYSTEM_IO:
522 case ACPI_ADR_SPACE_PCI_CONFIG:
528 AcpiOsPrintf (" %s space is not supported in this command [%4.4s]\n",
529 AcpiUtGetRegionName (RegionObj->Region.SpaceId),
530 RegionObj->Region.Node->Name.Ascii);
539 /* At this point, we have resolved the object to one of the major types */
543 case ACPI_TYPE_INTEGER:
545 Status = AcpiDbTestIntegerType (Node, BitLength);
548 case ACPI_TYPE_STRING:
550 Status = AcpiDbTestStringType (Node, ByteLength);
553 case ACPI_TYPE_BUFFER:
555 Status = AcpiDbTestBufferType (Node, BitLength);
558 case ACPI_TYPE_PACKAGE:
560 Status = AcpiDbTestPackageType (Node);
565 AcpiOsPrintf (" Ignoring, type not implemented (%2.2X)",
570 /* Exit on error, but don't abort the namespace walk */
572 if (ACPI_FAILURE (Status))
580 case ACPI_TYPE_LOCAL_REGION_FIELD:
582 RegionObj = ObjDesc->Field.RegionObj;
583 AcpiOsPrintf (" (%s)",
584 AcpiUtGetRegionName (RegionObj->Region.SpaceId));
598 /*******************************************************************************
600 * FUNCTION: AcpiDbTestIntegerType
602 * PARAMETERS: Node - Parent NS node for the object
603 * BitLength - Actual length of the object. Used for
604 * support of arbitrary length FieldUnit
605 * and BufferField objects.
609 * DESCRIPTION: Test read/write for an Integer-valued object. Performs a
610 * write/read/compare of an arbitrary new value, then performs
611 * a write/read/compare of the original value.
613 ******************************************************************************/
616 AcpiDbTestIntegerType (
617 ACPI_NAMESPACE_NODE *Node,
620 ACPI_OBJECT *Temp1 = NULL;
621 ACPI_OBJECT *Temp2 = NULL;
622 ACPI_OBJECT *Temp3 = NULL;
623 ACPI_OBJECT WriteValue;
630 AcpiOsPrintf (" Invalid length for an Integer: %u", BitLength);
634 /* Read the original value */
636 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_INTEGER, &Temp1);
637 if (ACPI_FAILURE (Status))
642 AcpiOsPrintf (" (%4.4X/%3.3X) %8.8X%8.8X",
643 BitLength, ACPI_ROUND_BITS_UP_TO_BYTES (BitLength),
644 ACPI_FORMAT_UINT64 (Temp1->Integer.Value));
646 ValueToWrite = ACPI_UINT64_MAX >> (64 - BitLength);
647 if (Temp1->Integer.Value == ValueToWrite)
651 /* Write a new value */
653 WriteValue.Type = ACPI_TYPE_INTEGER;
654 WriteValue.Integer.Value = ValueToWrite;
655 Status = AcpiDbWriteToObject (Node, &WriteValue);
656 if (ACPI_FAILURE (Status))
661 /* Ensure that we can read back the new value */
663 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_INTEGER, &Temp2);
664 if (ACPI_FAILURE (Status))
669 if (Temp2->Integer.Value != ValueToWrite)
671 AcpiOsPrintf (" MISMATCH 2: %8.8X%8.8X, expecting %8.8X%8.8X",
672 ACPI_FORMAT_UINT64 (Temp2->Integer.Value),
673 ACPI_FORMAT_UINT64 (ValueToWrite));
676 /* Write back the original value */
678 WriteValue.Integer.Value = Temp1->Integer.Value;
679 Status = AcpiDbWriteToObject (Node, &WriteValue);
680 if (ACPI_FAILURE (Status))
685 /* Ensure that we can read back the original value */
687 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_INTEGER, &Temp3);
688 if (ACPI_FAILURE (Status))
693 if (Temp3->Integer.Value != Temp1->Integer.Value)
695 AcpiOsPrintf (" MISMATCH 3: %8.8X%8.8X, expecting %8.8X%8.8X",
696 ACPI_FORMAT_UINT64 (Temp3->Integer.Value),
697 ACPI_FORMAT_UINT64 (Temp1->Integer.Value));
701 if (Temp1) {AcpiOsFree (Temp1);}
702 if (Temp2) {AcpiOsFree (Temp2);}
703 if (Temp3) {AcpiOsFree (Temp3);}
708 /*******************************************************************************
710 * FUNCTION: AcpiDbTestBufferType
712 * PARAMETERS: Node - Parent NS node for the object
713 * BitLength - Actual length of the object.
717 * DESCRIPTION: Test read/write for an Buffer-valued object. Performs a
718 * write/read/compare of an arbitrary new value, then performs
719 * a write/read/compare of the original value.
721 ******************************************************************************/
724 AcpiDbTestBufferType (
725 ACPI_NAMESPACE_NODE *Node,
728 ACPI_OBJECT *Temp1 = NULL;
729 ACPI_OBJECT *Temp2 = NULL;
730 ACPI_OBJECT *Temp3 = NULL;
732 ACPI_OBJECT WriteValue;
739 ByteLength = ACPI_ROUND_BITS_UP_TO_BYTES (BitLength);
742 AcpiOsPrintf (" Ignoring zero length buffer");
746 /* Allocate a local buffer */
748 Buffer = ACPI_ALLOCATE_ZEROED (ByteLength);
751 return (AE_NO_MEMORY);
754 /* Read the original value */
756 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_BUFFER, &Temp1);
757 if (ACPI_FAILURE (Status))
762 /* Emit a few bytes of the buffer */
764 AcpiOsPrintf (" (%4.4X/%3.3X)", BitLength, Temp1->Buffer.Length);
765 for (i = 0; ((i < 4) && (i < ByteLength)); i++)
767 AcpiOsPrintf (" %2.2X", Temp1->Buffer.Pointer[i]);
769 AcpiOsPrintf ("... ");
774 * Handle possible extra bits at the end of the buffer. Can
775 * happen for FieldUnits larger than an integer, but the bit
776 * count is not an integral number of bytes. Zero out the
779 memset (Buffer, BUFFER_FILL_VALUE, ByteLength);
780 ExtraBits = BitLength % 8;
783 Buffer [ByteLength - 1] = ACPI_MASK_BITS_ABOVE (ExtraBits);
786 WriteValue.Type = ACPI_TYPE_BUFFER;
787 WriteValue.Buffer.Length = ByteLength;
788 WriteValue.Buffer.Pointer = Buffer;
790 Status = AcpiDbWriteToObject (Node, &WriteValue);
791 if (ACPI_FAILURE (Status))
796 /* Ensure that we can read back the new value */
798 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_BUFFER, &Temp2);
799 if (ACPI_FAILURE (Status))
804 if (memcmp (Temp2->Buffer.Pointer, Buffer, ByteLength))
806 AcpiOsPrintf (" MISMATCH 2: New buffer value");
809 /* Write back the original value */
811 WriteValue.Buffer.Length = ByteLength;
812 WriteValue.Buffer.Pointer = Temp1->Buffer.Pointer;
814 Status = AcpiDbWriteToObject (Node, &WriteValue);
815 if (ACPI_FAILURE (Status))
820 /* Ensure that we can read back the original value */
822 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_BUFFER, &Temp3);
823 if (ACPI_FAILURE (Status))
828 if (memcmp (Temp1->Buffer.Pointer,
829 Temp3->Buffer.Pointer, ByteLength))
831 AcpiOsPrintf (" MISMATCH 3: While restoring original buffer");
836 if (Temp1) {AcpiOsFree (Temp1);}
837 if (Temp2) {AcpiOsFree (Temp2);}
838 if (Temp3) {AcpiOsFree (Temp3);}
843 /*******************************************************************************
845 * FUNCTION: AcpiDbTestStringType
847 * PARAMETERS: Node - Parent NS node for the object
848 * ByteLength - Actual length of the object.
852 * DESCRIPTION: Test read/write for an String-valued object. Performs a
853 * write/read/compare of an arbitrary new value, then performs
854 * a write/read/compare of the original value.
856 ******************************************************************************/
859 AcpiDbTestStringType (
860 ACPI_NAMESPACE_NODE *Node,
863 ACPI_OBJECT *Temp1 = NULL;
864 ACPI_OBJECT *Temp2 = NULL;
865 ACPI_OBJECT *Temp3 = NULL;
866 char *ValueToWrite = "Test String from AML Debugger";
867 ACPI_OBJECT WriteValue;
871 /* Read the original value */
873 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_STRING, &Temp1);
874 if (ACPI_FAILURE (Status))
879 AcpiOsPrintf (" (%4.4X/%3.3X) \"%s\"", (Temp1->String.Length * 8),
880 Temp1->String.Length, Temp1->String.Pointer);
882 /* Write a new value */
884 WriteValue.Type = ACPI_TYPE_STRING;
885 WriteValue.String.Length = strlen (ValueToWrite);
886 WriteValue.String.Pointer = ValueToWrite;
888 Status = AcpiDbWriteToObject (Node, &WriteValue);
889 if (ACPI_FAILURE (Status))
894 /* Ensure that we can read back the new value */
896 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_STRING, &Temp2);
897 if (ACPI_FAILURE (Status))
902 if (strcmp (Temp2->String.Pointer, ValueToWrite))
904 AcpiOsPrintf (" MISMATCH 2: %s, expecting %s",
905 Temp2->String.Pointer, ValueToWrite);
908 /* Write back the original value */
910 WriteValue.String.Length = strlen (Temp1->String.Pointer);
911 WriteValue.String.Pointer = Temp1->String.Pointer;
913 Status = AcpiDbWriteToObject (Node, &WriteValue);
914 if (ACPI_FAILURE (Status))
919 /* Ensure that we can read back the original value */
921 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_STRING, &Temp3);
922 if (ACPI_FAILURE (Status))
927 if (strcmp (Temp1->String.Pointer, Temp3->String.Pointer))
929 AcpiOsPrintf (" MISMATCH 3: %s, expecting %s",
930 Temp3->String.Pointer, Temp1->String.Pointer);
934 if (Temp1) {AcpiOsFree (Temp1);}
935 if (Temp2) {AcpiOsFree (Temp2);}
936 if (Temp3) {AcpiOsFree (Temp3);}
941 /*******************************************************************************
943 * FUNCTION: AcpiDbTestPackageType
945 * PARAMETERS: Node - Parent NS node for the object
949 * DESCRIPTION: Test read for a Package object.
951 ******************************************************************************/
954 AcpiDbTestPackageType (
955 ACPI_NAMESPACE_NODE *Node)
957 ACPI_OBJECT *Temp1 = NULL;
961 /* Read the original value */
963 Status = AcpiDbReadFromObject (Node, ACPI_TYPE_PACKAGE, &Temp1);
964 if (ACPI_FAILURE (Status))
969 AcpiOsPrintf (" %8.8X Elements", Temp1->Package.Count);
975 /*******************************************************************************
977 * FUNCTION: AcpiDbReadFromObject
979 * PARAMETERS: Node - Parent NS node for the object
980 * ExpectedType - Object type expected from the read
981 * Value - Where the value read is returned
985 * DESCRIPTION: Performs a read from the specified object by invoking the
986 * special debugger control method that reads the object. Thus,
987 * the AML interpreter is doing all of the work, increasing the
988 * validity of the test.
990 ******************************************************************************/
993 AcpiDbReadFromObject (
994 ACPI_NAMESPACE_NODE *Node,
995 ACPI_OBJECT_TYPE ExpectedType,
998 ACPI_OBJECT *RetValue;
999 ACPI_OBJECT_LIST ParamObjects;
1000 ACPI_OBJECT Params[2];
1001 ACPI_BUFFER ReturnObj;
1005 Params[0].Type = ACPI_TYPE_LOCAL_REFERENCE;
1006 Params[0].Reference.ActualType = Node->Type;
1007 Params[0].Reference.Handle = ACPI_CAST_PTR (ACPI_HANDLE, Node);
1009 ParamObjects.Count = 1;
1010 ParamObjects.Pointer = Params;
1012 ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
1014 AcpiGbl_MethodExecuting = TRUE;
1015 Status = AcpiEvaluateObject (ReadHandle, NULL,
1016 &ParamObjects, &ReturnObj);
1018 AcpiGbl_MethodExecuting = FALSE;
1019 if (ACPI_FAILURE (Status))
1021 AcpiOsPrintf ("Could not read from object, %s",
1022 AcpiFormatException (Status));
1026 RetValue = (ACPI_OBJECT *) ReturnObj.Pointer;
1028 switch (RetValue->Type)
1030 case ACPI_TYPE_INTEGER:
1031 case ACPI_TYPE_BUFFER:
1032 case ACPI_TYPE_STRING:
1033 case ACPI_TYPE_PACKAGE:
1035 * Did we receive the type we wanted? Most important for the
1036 * Integer/Buffer case (when a field is larger than an Integer,
1037 * it should return a Buffer).
1039 if (RetValue->Type != ExpectedType)
1041 AcpiOsPrintf (" Type mismatch: Expected %s, Received %s",
1042 AcpiUtGetTypeName (ExpectedType),
1043 AcpiUtGetTypeName (RetValue->Type));
1045 AcpiOsFree (ReturnObj.Pointer);
1054 AcpiOsPrintf (" Unsupported return object type, %s",
1055 AcpiUtGetTypeName (RetValue->Type));
1057 AcpiOsFree (ReturnObj.Pointer);
1065 /*******************************************************************************
1067 * FUNCTION: AcpiDbWriteToObject
1069 * PARAMETERS: Node - Parent NS node for the object
1070 * Value - Value to be written
1074 * DESCRIPTION: Performs a write to the specified object by invoking the
1075 * special debugger control method that writes the object. Thus,
1076 * the AML interpreter is doing all of the work, increasing the
1077 * validity of the test.
1079 ******************************************************************************/
1082 AcpiDbWriteToObject (
1083 ACPI_NAMESPACE_NODE *Node,
1086 ACPI_OBJECT_LIST ParamObjects;
1087 ACPI_OBJECT Params[2];
1091 Params[0].Type = ACPI_TYPE_LOCAL_REFERENCE;
1092 Params[0].Reference.ActualType = Node->Type;
1093 Params[0].Reference.Handle = ACPI_CAST_PTR (ACPI_HANDLE, Node);
1095 /* Copy the incoming user parameter */
1097 memcpy (&Params[1], Value, sizeof (ACPI_OBJECT));
1099 ParamObjects.Count = 2;
1100 ParamObjects.Pointer = Params;
1102 AcpiGbl_MethodExecuting = TRUE;
1103 Status = AcpiEvaluateObject (WriteHandle, NULL, &ParamObjects, NULL);
1104 AcpiGbl_MethodExecuting = FALSE;
1106 if (ACPI_FAILURE (Status))
1108 AcpiOsPrintf ("Could not write to object, %s",
1109 AcpiFormatException (Status));
1116 /*******************************************************************************
1118 * FUNCTION: AcpiDbEvaluateAllPredefinedNames
1120 * PARAMETERS: CountArg - Max number of methods to execute
1124 * DESCRIPTION: Namespace batch execution. Execute predefined names in the
1125 * namespace, up to the max count, if specified.
1127 ******************************************************************************/
1130 AcpiDbEvaluateAllPredefinedNames (
1133 ACPI_DB_EXECUTE_WALK Info;
1137 Info.MaxCount = ACPI_UINT32_MAX;
1141 Info.MaxCount = strtoul (CountArg, NULL, 0);
1144 /* Search all nodes in namespace */
1146 (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
1147 ACPI_UINT32_MAX, AcpiDbEvaluateOnePredefinedName, NULL,
1148 (void *) &Info, NULL);
1151 "Evaluated %u predefined names in the namespace\n", Info.Count);
1155 /*******************************************************************************
1157 * FUNCTION: AcpiDbEvaluateOnePredefinedName
1159 * PARAMETERS: Callback from WalkNamespace
1163 * DESCRIPTION: Batch execution module. Currently only executes predefined
1166 ******************************************************************************/
1169 AcpiDbEvaluateOnePredefinedName (
1170 ACPI_HANDLE ObjHandle,
1171 UINT32 NestingLevel,
1175 ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
1176 ACPI_DB_EXECUTE_WALK *Info = (ACPI_DB_EXECUTE_WALK *) Context;
1178 const ACPI_PREDEFINED_INFO *Predefined;
1179 ACPI_DEVICE_INFO *ObjInfo;
1180 ACPI_OBJECT_LIST ParamObjects;
1181 ACPI_OBJECT Params[ACPI_METHOD_NUM_ARGS];
1182 ACPI_OBJECT *ThisParam;
1183 ACPI_BUFFER ReturnObj;
1191 /* The name must be a predefined ACPI name */
1193 Predefined = AcpiUtMatchPredefinedMethod (Node->Name.Ascii);
1199 if (Node->Type == ACPI_TYPE_LOCAL_SCOPE)
1204 Pathname = AcpiNsGetNormalizedPathname (Node, TRUE);
1210 /* Get the object info for number of method parameters */
1212 Status = AcpiGetObjectInfo (ObjHandle, &ObjInfo);
1213 if (ACPI_FAILURE (Status))
1215 ACPI_FREE (Pathname);
1219 ParamObjects.Count = 0;
1220 ParamObjects.Pointer = NULL;
1222 if (ObjInfo->Type == ACPI_TYPE_METHOD)
1224 /* Setup default parameters (with proper types) */
1226 ArgTypeList = Predefined->Info.ArgumentList;
1227 ArgCount = METHOD_GET_ARG_COUNT (ArgTypeList);
1230 * Setup the ACPI-required number of arguments, regardless of what
1231 * the actual method defines. If there is a difference, then the
1232 * method is wrong and a warning will be issued during execution.
1235 for (i = 0; i < ArgCount; i++)
1237 ArgType = METHOD_GET_NEXT_TYPE (ArgTypeList);
1238 ThisParam->Type = ArgType;
1242 case ACPI_TYPE_INTEGER:
1244 ThisParam->Integer.Value = 1;
1247 case ACPI_TYPE_STRING:
1249 ThisParam->String.Pointer =
1250 "This is the default argument string";
1251 ThisParam->String.Length =
1252 strlen (ThisParam->String.Pointer);
1255 case ACPI_TYPE_BUFFER:
1257 ThisParam->Buffer.Pointer = (UINT8 *) Params; /* just a garbage buffer */
1258 ThisParam->Buffer.Length = 48;
1261 case ACPI_TYPE_PACKAGE:
1263 ThisParam->Package.Elements = NULL;
1264 ThisParam->Package.Count = 0;
1269 AcpiOsPrintf ("%s: Unsupported argument type: %u\n",
1277 ParamObjects.Count = ArgCount;
1278 ParamObjects.Pointer = Params;
1281 ACPI_FREE (ObjInfo);
1282 ReturnObj.Pointer = NULL;
1283 ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
1285 /* Do the actual method execution */
1287 AcpiGbl_MethodExecuting = TRUE;
1289 Status = AcpiEvaluateObject (Node, NULL, &ParamObjects, &ReturnObj);
1291 AcpiOsPrintf ("%-32s returned %s\n",
1292 Pathname, AcpiFormatException (Status));
1293 AcpiGbl_MethodExecuting = FALSE;
1294 ACPI_FREE (Pathname);
1296 /* Ignore status from method execution */
1300 /* Update count, check if we have executed enough methods */
1303 if (Info->Count >= Info->MaxCount)
1305 Status = AE_CTRL_TERMINATE;