/*******************************************************************************
*
* Module Name: dbtest - Various debug-related tests
*
******************************************************************************/
/*
* Copyright (C) 2000 - 2018, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include "acpi.h"
#include "accommon.h"
#include "acdebug.h"
#include "acnamesp.h"
#include "acpredef.h"
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME ("dbtest")
/* Local prototypes */
static void
AcpiDbTestAllObjects (
void);
static ACPI_STATUS
AcpiDbTestOneObject (
ACPI_HANDLE ObjHandle,
UINT32 NestingLevel,
void *Context,
void **ReturnValue);
static ACPI_STATUS
AcpiDbTestIntegerType (
ACPI_NAMESPACE_NODE *Node,
UINT32 BitLength);
static ACPI_STATUS
AcpiDbTestBufferType (
ACPI_NAMESPACE_NODE *Node,
UINT32 BitLength);
static ACPI_STATUS
AcpiDbTestStringType (
ACPI_NAMESPACE_NODE *Node,
UINT32 ByteLength);
static ACPI_STATUS
AcpiDbTestPackageType (
ACPI_NAMESPACE_NODE *Node);
static ACPI_STATUS
AcpiDbReadFromObject (
ACPI_NAMESPACE_NODE *Node,
ACPI_OBJECT_TYPE ExpectedType,
ACPI_OBJECT **Value);
static ACPI_STATUS
AcpiDbWriteToObject (
ACPI_NAMESPACE_NODE *Node,
ACPI_OBJECT *Value);
static void
AcpiDbEvaluateAllPredefinedNames (
char *CountArg);
static ACPI_STATUS
AcpiDbEvaluateOnePredefinedName (
ACPI_HANDLE ObjHandle,
UINT32 NestingLevel,
void *Context,
void **ReturnValue);
/*
* Test subcommands
*/
static ACPI_DB_ARGUMENT_INFO AcpiDbTestTypes [] =
{
{"OBJECTS"},
{"PREDEFINED"},
{NULL} /* Must be null terminated */
};
#define CMD_TEST_OBJECTS 0
#define CMD_TEST_PREDEFINED 1
#define BUFFER_FILL_VALUE 0xFF
/*
* Support for the special debugger read/write control methods.
* These methods are installed into the current namespace and are
* used to read and write the various namespace objects. The point
* is to force the AML interpreter do all of the work.
*/
#define ACPI_DB_READ_METHOD "\\_T98"
#define ACPI_DB_WRITE_METHOD "\\_T99"
static ACPI_HANDLE ReadHandle = NULL;
static ACPI_HANDLE WriteHandle = NULL;
/* ASL Definitions of the debugger read/write control methods */
#if 0
DefinitionBlock ("ssdt.aml", "SSDT", 2, "Intel", "DEBUG", 0x00000001)
{
Method (_T98, 1, NotSerialized) /* Read */
{
Return (DeRefOf (Arg0))
}
}
DefinitionBlock ("ssdt2.aml", "SSDT", 2, "Intel", "DEBUG", 0x00000001)
{
Method (_T99, 2, NotSerialized) /* Write */
{
Store (Arg1, Arg0)
}
}
#endif
static unsigned char ReadMethodCode[] =
{
0x53,0x53,0x44,0x54,0x2E,0x00,0x00,0x00, /* 00000000 "SSDT...." */
0x02,0xC9,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 "..Intel." */
0x44,0x45,0x42,0x55,0x47,0x00,0x00,0x00, /* 00000010 "DEBUG..." */
0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
0x18,0x12,0x13,0x20,0x14,0x09,0x5F,0x54, /* 00000020 "... .._T" */
0x39,0x38,0x01,0xA4,0x83,0x68 /* 00000028 "98...h" */
};
static unsigned char WriteMethodCode[] =
{
0x53,0x53,0x44,0x54,0x2E,0x00,0x00,0x00, /* 00000000 "SSDT...." */
0x02,0x15,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 "..Intel." */
0x44,0x45,0x42,0x55,0x47,0x00,0x00,0x00, /* 00000010 "DEBUG..." */
0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
0x18,0x12,0x13,0x20,0x14,0x09,0x5F,0x54, /* 00000020 "... .._T" */
0x39,0x39,0x02,0x70,0x69,0x68 /* 00000028 "99.pih" */
};
/*******************************************************************************
*
* FUNCTION: AcpiDbExecuteTest
*
* PARAMETERS: TypeArg - Subcommand
*
* RETURN: None
*
* DESCRIPTION: Execute various debug tests.
*
* Note: Code is prepared for future expansion of the TEST command.
*
******************************************************************************/
void
AcpiDbExecuteTest (
char *TypeArg)
{
UINT32 Temp;
AcpiUtStrupr (TypeArg);
Temp = AcpiDbMatchArgument (TypeArg, AcpiDbTestTypes);
if (Temp == ACPI_TYPE_NOT_FOUND)
{
AcpiOsPrintf ("Invalid or unsupported argument\n");
return;
}
switch (Temp)
{
case CMD_TEST_OBJECTS:
AcpiDbTestAllObjects ();
break;
case CMD_TEST_PREDEFINED:
AcpiDbEvaluateAllPredefinedNames (NULL);
break;
default:
break;
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDbTestAllObjects
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: This test implements the OBJECTS subcommand. It exercises the
* namespace by reading/writing/comparing all data objects such
* as integers, strings, buffers, fields, buffer fields, etc.
*
******************************************************************************/
static void
AcpiDbTestAllObjects (
void)
{
ACPI_STATUS Status;
/* Install the debugger read-object control method if necessary */
if (!ReadHandle)
{
Status = AcpiInstallMethod (ReadMethodCode);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("%s, Could not install debugger read method\n",
AcpiFormatException (Status));
return;
}
Status = AcpiGetHandle (NULL, ACPI_DB_READ_METHOD, &ReadHandle);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not obtain handle for debug method %s\n",
ACPI_DB_READ_METHOD);
return;
}
}
/* Install the debugger write-object control method if necessary */
if (!WriteHandle)
{
Status = AcpiInstallMethod (WriteMethodCode);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("%s, Could not install debugger write method\n",
AcpiFormatException (Status));
return;
}
Status = AcpiGetHandle (NULL, ACPI_DB_WRITE_METHOD, &WriteHandle);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not obtain handle for debug method %s\n",
ACPI_DB_WRITE_METHOD);
return;
}
}
/* Walk the entire namespace, testing each supported named data object */
(void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, AcpiDbTestOneObject, NULL, NULL, NULL);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbTestOneObject
*
* PARAMETERS: ACPI_WALK_CALLBACK
*
* RETURN: Status
*
* DESCRIPTION: Test one namespace object. Supported types are Integer,
* String, Buffer, BufferField, and FieldUnit. All other object
* types are simply ignored.
*
* Note: Support for Packages is not implemented.
*
******************************************************************************/
static ACPI_STATUS
AcpiDbTestOneObject (
ACPI_HANDLE ObjHandle,
UINT32 NestingLevel,
void *Context,
void **ReturnValue)
{
ACPI_NAMESPACE_NODE *Node;
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_OPERAND_OBJECT *RegionObj;
ACPI_OBJECT_TYPE LocalType;
UINT32 BitLength = 0;
UINT32 ByteLength = 0;
ACPI_STATUS Status = AE_OK;
Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjHandle);
ObjDesc = Node->Object;
/*
* For the supported types, get the actual bit length or
* byte length. Map the type to one of Integer/String/Buffer.
*/
switch (Node->Type)
{
case ACPI_TYPE_INTEGER:
/* Integer width is either 32 or 64 */
LocalType = ACPI_TYPE_INTEGER;
BitLength = AcpiGbl_IntegerBitWidth;
break;
case ACPI_TYPE_STRING:
LocalType = ACPI_TYPE_STRING;
ByteLength = ObjDesc->String.Length;
break;
case ACPI_TYPE_BUFFER:
LocalType = ACPI_TYPE_BUFFER;
ByteLength = ObjDesc->Buffer.Length;
BitLength = ByteLength * 8;
break;
case ACPI_TYPE_PACKAGE:
LocalType = ACPI_TYPE_PACKAGE;
break;
case ACPI_TYPE_FIELD_UNIT:
case ACPI_TYPE_BUFFER_FIELD:
case ACPI_TYPE_LOCAL_REGION_FIELD:
case ACPI_TYPE_LOCAL_INDEX_FIELD:
case ACPI_TYPE_LOCAL_BANK_FIELD:
LocalType = ACPI_TYPE_INTEGER;
if (ObjDesc)
{
/*
* Returned object will be a Buffer if the field length
* is larger than the size of an Integer (32 or 64 bits
* depending on the DSDT version).
*/
BitLength = ObjDesc->CommonField.BitLength;
ByteLength = ACPI_ROUND_BITS_UP_TO_BYTES (BitLength);
if (BitLength > AcpiGbl_IntegerBitWidth)
{
LocalType = ACPI_TYPE_BUFFER;
}
}
break;
default:
/* Ignore all other types */
return (AE_OK);
}
/* Emit the common prefix: Type:Name */
AcpiOsPrintf ("%14s: %4.4s",
AcpiUtGetTypeName (Node->Type), Node->Name.Ascii);
if (!ObjDesc)
{
AcpiOsPrintf (" Ignoring, no attached object\n");
return (AE_OK);
}
/*
* Check for unsupported region types. Note: AcpiExec simulates
* access to SystemMemory, SystemIO, PCI_Config, and EC.
*/
switch (Node->Type)
{
case ACPI_TYPE_LOCAL_REGION_FIELD:
RegionObj = ObjDesc->Field.RegionObj;
switch (RegionObj->Region.SpaceId)
{
case ACPI_ADR_SPACE_SYSTEM_MEMORY:
case ACPI_ADR_SPACE_SYSTEM_IO:
case ACPI_ADR_SPACE_PCI_CONFIG:
break;
default:
AcpiOsPrintf (" %s space is not supported in this command [%4.4s]\n",
AcpiUtGetRegionName (RegionObj->Region.SpaceId),
RegionObj->Region.Node->Name.Ascii);
return (AE_OK);
}
break;
default:
break;
}
/* At this point, we have resolved the object to one of the major types */
switch (LocalType)
{
case ACPI_TYPE_INTEGER:
Status = AcpiDbTestIntegerType (Node, BitLength);
break;
case ACPI_TYPE_STRING:
Status = AcpiDbTestStringType (Node, ByteLength);
break;
case ACPI_TYPE_BUFFER:
Status = AcpiDbTestBufferType (Node, BitLength);
break;
case ACPI_TYPE_PACKAGE:
Status = AcpiDbTestPackageType (Node);
break;
default:
AcpiOsPrintf (" Ignoring, type not implemented (%2.2X)",
LocalType);
break;
}
/* Exit on error, but don't abort the namespace walk */
if (ACPI_FAILURE (Status))
{
Status = AE_OK;
goto Exit;
}
switch (Node->Type)
{
case ACPI_TYPE_LOCAL_REGION_FIELD:
RegionObj = ObjDesc->Field.RegionObj;
AcpiOsPrintf (" (%s)",
AcpiUtGetRegionName (RegionObj->Region.SpaceId));
break;
default:
break;
}
Exit:
AcpiOsPrintf ("\n");
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbTestIntegerType
*
* PARAMETERS: Node - Parent NS node for the object
* BitLength - Actual length of the object. Used for
* support of arbitrary length FieldUnit
* and BufferField objects.
*
* RETURN: Status
*
* DESCRIPTION: Test read/write for an Integer-valued object. Performs a
* write/read/compare of an arbitrary new value, then performs
* a write/read/compare of the original value.
*
******************************************************************************/
static ACPI_STATUS
AcpiDbTestIntegerType (
ACPI_NAMESPACE_NODE *Node,
UINT32 BitLength)
{
ACPI_OBJECT *Temp1 = NULL;
ACPI_OBJECT *Temp2 = NULL;
ACPI_OBJECT *Temp3 = NULL;
ACPI_OBJECT WriteValue;
UINT64 ValueToWrite;
ACPI_STATUS Status;
if (BitLength > 64)
{
AcpiOsPrintf (" Invalid length for an Integer: %u", BitLength);
return (AE_OK);
}
/* Read the original value */
Status = AcpiDbReadFromObject (Node, ACPI_TYPE_INTEGER, &Temp1);
if (ACPI_FAILURE (Status))
{
return (Status);
}
AcpiOsPrintf (" (%4.4X/%3.3X) %8.8X%8.8X",
BitLength, ACPI_ROUND_BITS_UP_TO_BYTES (BitLength),
ACPI_FORMAT_UINT64 (Temp1->Integer.Value));
ValueToWrite = ACPI_UINT64_MAX >> (64 - BitLength);
if (Temp1->Integer.Value == ValueToWrite)
{
ValueToWrite = 0;
}
/* Write a new value */
WriteValue.Type = ACPI_TYPE_INTEGER;
WriteValue.Integer.Value = ValueToWrite;
Status = AcpiDbWriteToObject (Node, &WriteValue);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
/* Ensure that we can read back the new value */
Status = AcpiDbReadFromObject (Node, ACPI_TYPE_INTEGER, &Temp2);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
if (Temp2->Integer.Value != ValueToWrite)
{
AcpiOsPrintf (" MISMATCH 2: %8.8X%8.8X, expecting %8.8X%8.8X",
ACPI_FORMAT_UINT64 (Temp2->Integer.Value),
ACPI_FORMAT_UINT64 (ValueToWrite));
}
/* Write back the original value */
WriteValue.Integer.Value = Temp1->Integer.Value;
Status = AcpiDbWriteToObject (Node, &WriteValue);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
/* Ensure that we can read back the original value */
Status = AcpiDbReadFromObject (Node, ACPI_TYPE_INTEGER, &Temp3);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
if (Temp3->Integer.Value != Temp1->Integer.Value)
{
AcpiOsPrintf (" MISMATCH 3: %8.8X%8.8X, expecting %8.8X%8.8X",
ACPI_FORMAT_UINT64 (Temp3->Integer.Value),
ACPI_FORMAT_UINT64 (Temp1->Integer.Value));
}
Exit:
if (Temp1) {AcpiOsFree (Temp1);}
if (Temp2) {AcpiOsFree (Temp2);}
if (Temp3) {AcpiOsFree (Temp3);}
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbTestBufferType
*
* PARAMETERS: Node - Parent NS node for the object
* BitLength - Actual length of the object.
*
* RETURN: Status
*
* DESCRIPTION: Test read/write for an Buffer-valued object. Performs a
* write/read/compare of an arbitrary new value, then performs
* a write/read/compare of the original value.
*
******************************************************************************/
static ACPI_STATUS
AcpiDbTestBufferType (
ACPI_NAMESPACE_NODE *Node,
UINT32 BitLength)
{
ACPI_OBJECT *Temp1 = NULL;
ACPI_OBJECT *Temp2 = NULL;
ACPI_OBJECT *Temp3 = NULL;
UINT8 *Buffer;
ACPI_OBJECT WriteValue;
ACPI_STATUS Status;
UINT32 ByteLength;
UINT32 i;
UINT8 ExtraBits;
ByteLength = ACPI_ROUND_BITS_UP_TO_BYTES (BitLength);
if (ByteLength == 0)
{
AcpiOsPrintf (" Ignoring zero length buffer");
return (AE_OK);
}
/* Allocate a local buffer */
Buffer = ACPI_ALLOCATE_ZEROED (ByteLength);
if (!Buffer)
{
return (AE_NO_MEMORY);
}
/* Read the original value */
Status = AcpiDbReadFromObject (Node, ACPI_TYPE_BUFFER, &Temp1);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
/* Emit a few bytes of the buffer */
AcpiOsPrintf (" (%4.4X/%3.3X)", BitLength, Temp1->Buffer.Length);
for (i = 0; ((i < 4) && (i < ByteLength)); i++)
{
AcpiOsPrintf (" %2.2X", Temp1->Buffer.Pointer[i]);
}
AcpiOsPrintf ("... ");
/*
* Write a new value.
*
* Handle possible extra bits at the end of the buffer. Can
* happen for FieldUnits larger than an integer, but the bit
* count is not an integral number of bytes. Zero out the
* unused bits.
*/
memset (Buffer, BUFFER_FILL_VALUE, ByteLength);
ExtraBits = BitLength % 8;
if (ExtraBits)
{
Buffer [ByteLength - 1] = ACPI_MASK_BITS_ABOVE (ExtraBits);
}
WriteValue.Type = ACPI_TYPE_BUFFER;
WriteValue.Buffer.Length = ByteLength;
WriteValue.Buffer.Pointer = Buffer;
Status = AcpiDbWriteToObject (Node, &WriteValue);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
/* Ensure that we can read back the new value */
Status = AcpiDbReadFromObject (Node, ACPI_TYPE_BUFFER, &Temp2);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
if (memcmp (Temp2->Buffer.Pointer, Buffer, ByteLength))
{
AcpiOsPrintf (" MISMATCH 2: New buffer value");
}
/* Write back the original value */
WriteValue.Buffer.Length = ByteLength;
WriteValue.Buffer.Pointer = Temp1->Buffer.Pointer;
Status = AcpiDbWriteToObject (Node, &WriteValue);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
/* Ensure that we can read back the original value */
Status = AcpiDbReadFromObject (Node, ACPI_TYPE_BUFFER, &Temp3);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
if (memcmp (Temp1->Buffer.Pointer,
Temp3->Buffer.Pointer, ByteLength))
{
AcpiOsPrintf (" MISMATCH 3: While restoring original buffer");
}
Exit:
ACPI_FREE (Buffer);
if (Temp1) {AcpiOsFree (Temp1);}
if (Temp2) {AcpiOsFree (Temp2);}
if (Temp3) {AcpiOsFree (Temp3);}
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbTestStringType
*
* PARAMETERS: Node - Parent NS node for the object
* ByteLength - Actual length of the object.
*
* RETURN: Status
*
* DESCRIPTION: Test read/write for an String-valued object. Performs a
* write/read/compare of an arbitrary new value, then performs
* a write/read/compare of the original value.
*
******************************************************************************/
static ACPI_STATUS
AcpiDbTestStringType (
ACPI_NAMESPACE_NODE *Node,
UINT32 ByteLength)
{
ACPI_OBJECT *Temp1 = NULL;
ACPI_OBJECT *Temp2 = NULL;
ACPI_OBJECT *Temp3 = NULL;
char *ValueToWrite = "Test String from AML Debugger";
ACPI_OBJECT WriteValue;
ACPI_STATUS Status;
/* Read the original value */
Status = AcpiDbReadFromObject (Node, ACPI_TYPE_STRING, &Temp1);
if (ACPI_FAILURE (Status))
{
return (Status);
}
AcpiOsPrintf (" (%4.4X/%3.3X) \"%s\"", (Temp1->String.Length * 8),
Temp1->String.Length, Temp1->String.Pointer);
/* Write a new value */
WriteValue.Type = ACPI_TYPE_STRING;
WriteValue.String.Length = strlen (ValueToWrite);
WriteValue.String.Pointer = ValueToWrite;
Status = AcpiDbWriteToObject (Node, &WriteValue);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
/* Ensure that we can read back the new value */
Status = AcpiDbReadFromObject (Node, ACPI_TYPE_STRING, &Temp2);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
if (strcmp (Temp2->String.Pointer, ValueToWrite))
{
AcpiOsPrintf (" MISMATCH 2: %s, expecting %s",
Temp2->String.Pointer, ValueToWrite);
}
/* Write back the original value */
WriteValue.String.Length = strlen (Temp1->String.Pointer);
WriteValue.String.Pointer = Temp1->String.Pointer;
Status = AcpiDbWriteToObject (Node, &WriteValue);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
/* Ensure that we can read back the original value */
Status = AcpiDbReadFromObject (Node, ACPI_TYPE_STRING, &Temp3);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
if (strcmp (Temp1->String.Pointer, Temp3->String.Pointer))
{
AcpiOsPrintf (" MISMATCH 3: %s, expecting %s",
Temp3->String.Pointer, Temp1->String.Pointer);
}
Exit:
if (Temp1) {AcpiOsFree (Temp1);}
if (Temp2) {AcpiOsFree (Temp2);}
if (Temp3) {AcpiOsFree (Temp3);}
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbTestPackageType
*
* PARAMETERS: Node - Parent NS node for the object
*
* RETURN: Status
*
* DESCRIPTION: Test read for a Package object.
*
******************************************************************************/
static ACPI_STATUS
AcpiDbTestPackageType (
ACPI_NAMESPACE_NODE *Node)
{
ACPI_OBJECT *Temp1 = NULL;
ACPI_STATUS Status;
/* Read the original value */
Status = AcpiDbReadFromObject (Node, ACPI_TYPE_PACKAGE, &Temp1);
if (ACPI_FAILURE (Status))
{
return (Status);
}
AcpiOsPrintf (" %8.8X Elements", Temp1->Package.Count);
AcpiOsFree (Temp1);
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbReadFromObject
*
* PARAMETERS: Node - Parent NS node for the object
* ExpectedType - Object type expected from the read
* Value - Where the value read is returned
*
* RETURN: Status
*
* DESCRIPTION: Performs a read from the specified object by invoking the
* special debugger control method that reads the object. Thus,
* the AML interpreter is doing all of the work, increasing the
* validity of the test.
*
******************************************************************************/
static ACPI_STATUS
AcpiDbReadFromObject (
ACPI_NAMESPACE_NODE *Node,
ACPI_OBJECT_TYPE ExpectedType,
ACPI_OBJECT **Value)
{
ACPI_OBJECT *RetValue;
ACPI_OBJECT_LIST ParamObjects;
ACPI_OBJECT Params[2];
ACPI_BUFFER ReturnObj;
ACPI_STATUS Status;
Params[0].Type = ACPI_TYPE_LOCAL_REFERENCE;
Params[0].Reference.ActualType = Node->Type;
Params[0].Reference.Handle = ACPI_CAST_PTR (ACPI_HANDLE, Node);
ParamObjects.Count = 1;
ParamObjects.Pointer = Params;
ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
AcpiGbl_MethodExecuting = TRUE;
Status = AcpiEvaluateObject (ReadHandle, NULL,
&ParamObjects, &ReturnObj);
AcpiGbl_MethodExecuting = FALSE;
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not read from object, %s",
AcpiFormatException (Status));
return (Status);
}
RetValue = (ACPI_OBJECT *) ReturnObj.Pointer;
switch (RetValue->Type)
{
case ACPI_TYPE_INTEGER:
case ACPI_TYPE_BUFFER:
case ACPI_TYPE_STRING:
case ACPI_TYPE_PACKAGE:
/*
* Did we receive the type we wanted? Most important for the
* Integer/Buffer case (when a field is larger than an Integer,
* it should return a Buffer).
*/
if (RetValue->Type != ExpectedType)
{
AcpiOsPrintf (" Type mismatch: Expected %s, Received %s",
AcpiUtGetTypeName (ExpectedType),
AcpiUtGetTypeName (RetValue->Type));
AcpiOsFree (ReturnObj.Pointer);
return (AE_TYPE);
}
*Value = RetValue;
break;
default:
AcpiOsPrintf (" Unsupported return object type, %s",
AcpiUtGetTypeName (RetValue->Type));
AcpiOsFree (ReturnObj.Pointer);
return (AE_TYPE);
}
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbWriteToObject
*
* PARAMETERS: Node - Parent NS node for the object
* Value - Value to be written
*
* RETURN: Status
*
* DESCRIPTION: Performs a write to the specified object by invoking the
* special debugger control method that writes the object. Thus,
* the AML interpreter is doing all of the work, increasing the
* validity of the test.
*
******************************************************************************/
static ACPI_STATUS
AcpiDbWriteToObject (
ACPI_NAMESPACE_NODE *Node,
ACPI_OBJECT *Value)
{
ACPI_OBJECT_LIST ParamObjects;
ACPI_OBJECT Params[2];
ACPI_STATUS Status;
Params[0].Type = ACPI_TYPE_LOCAL_REFERENCE;
Params[0].Reference.ActualType = Node->Type;
Params[0].Reference.Handle = ACPI_CAST_PTR (ACPI_HANDLE, Node);
/* Copy the incoming user parameter */
memcpy (&Params[1], Value, sizeof (ACPI_OBJECT));
ParamObjects.Count = 2;
ParamObjects.Pointer = Params;
AcpiGbl_MethodExecuting = TRUE;
Status = AcpiEvaluateObject (WriteHandle, NULL, &ParamObjects, NULL);
AcpiGbl_MethodExecuting = FALSE;
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not write to object, %s",
AcpiFormatException (Status));
}
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbEvaluateAllPredefinedNames
*
* PARAMETERS: CountArg - Max number of methods to execute
*
* RETURN: None
*
* DESCRIPTION: Namespace batch execution. Execute predefined names in the
* namespace, up to the max count, if specified.
*
******************************************************************************/
static void
AcpiDbEvaluateAllPredefinedNames (
char *CountArg)
{
ACPI_DB_EXECUTE_WALK Info;
Info.Count = 0;
Info.MaxCount = ACPI_UINT32_MAX;
if (CountArg)
{
Info.MaxCount = strtoul (CountArg, NULL, 0);
}
/* Search all nodes in namespace */
(void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, AcpiDbEvaluateOnePredefinedName, NULL,
(void *) &Info, NULL);
AcpiOsPrintf (
"Evaluated %u predefined names in the namespace\n", Info.Count);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbEvaluateOnePredefinedName
*
* PARAMETERS: Callback from WalkNamespace
*
* RETURN: Status
*
* DESCRIPTION: Batch execution module. Currently only executes predefined
* ACPI names.
*
******************************************************************************/
static ACPI_STATUS
AcpiDbEvaluateOnePredefinedName (
ACPI_HANDLE ObjHandle,
UINT32 NestingLevel,
void *Context,
void **ReturnValue)
{
ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
ACPI_DB_EXECUTE_WALK *Info = (ACPI_DB_EXECUTE_WALK *) Context;
char *Pathname;
const ACPI_PREDEFINED_INFO *Predefined;
ACPI_DEVICE_INFO *ObjInfo;
ACPI_OBJECT_LIST ParamObjects;
ACPI_OBJECT Params[ACPI_METHOD_NUM_ARGS];
ACPI_OBJECT *ThisParam;
ACPI_BUFFER ReturnObj;
ACPI_STATUS Status;
UINT16 ArgTypeList;
UINT8 ArgCount;
UINT8 ArgType;
UINT32 i;
/* The name must be a predefined ACPI name */
Predefined = AcpiUtMatchPredefinedMethod (Node->Name.Ascii);
if (!Predefined)
{
return (AE_OK);
}
if (Node->Type == ACPI_TYPE_LOCAL_SCOPE)
{
return (AE_OK);
}
Pathname = AcpiNsGetNormalizedPathname (Node, TRUE);
if (!Pathname)
{
return (AE_OK);
}
/* Get the object info for number of method parameters */
Status = AcpiGetObjectInfo (ObjHandle, &ObjInfo);
if (ACPI_FAILURE (Status))
{
ACPI_FREE (Pathname);
return (Status);
}
ParamObjects.Count = 0;
ParamObjects.Pointer = NULL;
if (ObjInfo->Type == ACPI_TYPE_METHOD)
{
/* Setup default parameters (with proper types) */
ArgTypeList = Predefined->Info.ArgumentList;
ArgCount = METHOD_GET_ARG_COUNT (ArgTypeList);
/*
* Setup the ACPI-required number of arguments, regardless of what
* the actual method defines. If there is a difference, then the
* method is wrong and a warning will be issued during execution.
*/
ThisParam = Params;
for (i = 0; i < ArgCount; i++)
{
ArgType = METHOD_GET_NEXT_TYPE (ArgTypeList);
ThisParam->Type = ArgType;
switch (ArgType)
{
case ACPI_TYPE_INTEGER:
ThisParam->Integer.Value = 1;
break;
case ACPI_TYPE_STRING:
ThisParam->String.Pointer =
"This is the default argument string";
ThisParam->String.Length =
strlen (ThisParam->String.Pointer);
break;
case ACPI_TYPE_BUFFER:
ThisParam->Buffer.Pointer = (UINT8 *) Params; /* just a garbage buffer */
ThisParam->Buffer.Length = 48;
break;
case ACPI_TYPE_PACKAGE:
ThisParam->Package.Elements = NULL;
ThisParam->Package.Count = 0;
break;
default:
AcpiOsPrintf ("%s: Unsupported argument type: %u\n",
Pathname, ArgType);
break;
}
ThisParam++;
}
ParamObjects.Count = ArgCount;
ParamObjects.Pointer = Params;
}
ACPI_FREE (ObjInfo);
ReturnObj.Pointer = NULL;
ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
/* Do the actual method execution */
AcpiGbl_MethodExecuting = TRUE;
Status = AcpiEvaluateObject (Node, NULL, &ParamObjects, &ReturnObj);
AcpiOsPrintf ("%-32s returned %s\n",
Pathname, AcpiFormatException (Status));
AcpiGbl_MethodExecuting = FALSE;
ACPI_FREE (Pathname);
/* Ignore status from method execution */
Status = AE_OK;
/* Update count, check if we have executed enough methods */
Info->Count++;
if (Info->Count >= Info->MaxCount)
{
Status = AE_CTRL_TERMINATE;
}
return (Status);
}