442 lines
15 KiB
C
442 lines
15 KiB
C
|
|
/******************************************************************************
|
|
*
|
|
* Module Name: exoparg6 - AML execution - opcodes with 6 arguments
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 1. Copyright Notice
|
|
*
|
|
* Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp.
|
|
* All rights reserved.
|
|
*
|
|
* 2. License
|
|
*
|
|
* 2.1. This is your license from Intel Corp. under its intellectual property
|
|
* rights. You may have additional license terms from the party that provided
|
|
* you this software, covering your right to use that party's intellectual
|
|
* property rights.
|
|
*
|
|
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
|
|
* copy of the source code appearing in this file ("Covered Code") an
|
|
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
|
|
* base code distributed originally by Intel ("Original Intel Code") to copy,
|
|
* make derivatives, distribute, use and display any portion of the Covered
|
|
* Code in any form, with the right to sublicense such rights; and
|
|
*
|
|
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
|
|
* license (with the right to sublicense), under only those claims of Intel
|
|
* patents that are infringed by the Original Intel Code, to make, use, sell,
|
|
* offer to sell, and import the Covered Code and derivative works thereof
|
|
* solely to the minimum extent necessary to exercise the above copyright
|
|
* license, and in no event shall the patent license extend to any additions
|
|
* to or modifications of the Original Intel Code. No other license or right
|
|
* is granted directly or by implication, estoppel or otherwise;
|
|
*
|
|
* The above copyright and patent license is granted only if the following
|
|
* conditions are met:
|
|
*
|
|
* 3. Conditions
|
|
*
|
|
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
|
|
* Redistribution of source code of any substantial portion of the Covered
|
|
* Code or modification with rights to further distribute source must include
|
|
* the above Copyright Notice, the above License, this list of Conditions,
|
|
* and the following Disclaimer and Export Compliance provision. In addition,
|
|
* Licensee must cause all Covered Code to which Licensee contributes to
|
|
* contain a file documenting the changes Licensee made to create that Covered
|
|
* Code and the date of any change. Licensee must include in that file the
|
|
* documentation of any changes made by any predecessor Licensee. Licensee
|
|
* must include a prominent statement that the modification is derived,
|
|
* directly or indirectly, from Original Intel Code.
|
|
*
|
|
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
|
|
* Redistribution of source code of any substantial portion of the Covered
|
|
* Code or modification without rights to further distribute source must
|
|
* include the following Disclaimer and Export Compliance provision in the
|
|
* documentation and/or other materials provided with distribution. In
|
|
* addition, Licensee may not authorize further sublicense of source of any
|
|
* portion of the Covered Code, and must include terms to the effect that the
|
|
* license from Licensee to its licensee is limited to the intellectual
|
|
* property embodied in the software Licensee provides to its licensee, and
|
|
* not to intellectual property embodied in modifications its licensee may
|
|
* make.
|
|
*
|
|
* 3.3. Redistribution of Executable. Redistribution in executable form of any
|
|
* substantial portion of the Covered Code or modification must reproduce the
|
|
* above Copyright Notice, and the following Disclaimer and Export Compliance
|
|
* provision in the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3.4. Intel retains all right, title, and interest in and to the Original
|
|
* Intel Code.
|
|
*
|
|
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
|
|
* Intel shall be used in advertising or otherwise to promote the sale, use or
|
|
* other dealings in products derived from or relating to the Covered Code
|
|
* without prior written authorization from Intel.
|
|
*
|
|
* 4. Disclaimer and Export Compliance
|
|
*
|
|
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
|
|
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
|
|
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
|
|
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
|
|
|
|
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
|
|
* PARTICULAR PURPOSE.
|
|
*
|
|
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
|
|
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
|
|
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
|
|
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
|
|
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
|
|
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
|
|
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
|
|
* LIMITED REMEDY.
|
|
*
|
|
* 4.3. Licensee shall not export, either directly or indirectly, any of this
|
|
* software or system incorporating such software without first obtaining any
|
|
* required license or other approval from the U. S. Department of Commerce or
|
|
* any other agency or department of the United States Government. In the
|
|
* event Licensee exports any such software from the United States or
|
|
* re-exports any such software from a foreign destination, Licensee shall
|
|
* ensure that the distribution and export/re-export of the software is in
|
|
* compliance with all laws, regulations, orders, or other restrictions of the
|
|
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
|
|
* any of its subsidiaries will export/re-export any technical data, process,
|
|
* software, or service, directly or indirectly, to any country for which the
|
|
* United States government or any agency thereof requires an export license,
|
|
* other governmental approval, or letter of assurance, without first obtaining
|
|
* such license, approval or letter.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#define __EXOPARG6_C__
|
|
|
|
#include <contrib/dev/acpica/include/acpi.h>
|
|
#include <contrib/dev/acpica/include/accommon.h>
|
|
#include <contrib/dev/acpica/include/acinterp.h>
|
|
#include <contrib/dev/acpica/include/acparser.h>
|
|
#include <contrib/dev/acpica/include/amlcode.h>
|
|
|
|
|
|
#define _COMPONENT ACPI_EXECUTER
|
|
ACPI_MODULE_NAME ("exoparg6")
|
|
|
|
|
|
/*!
|
|
* Naming convention for AML interpreter execution routines.
|
|
*
|
|
* The routines that begin execution of AML opcodes are named with a common
|
|
* convention based upon the number of arguments, the number of target operands,
|
|
* and whether or not a value is returned:
|
|
*
|
|
* AcpiExOpcode_xA_yT_zR
|
|
*
|
|
* Where:
|
|
*
|
|
* xA - ARGUMENTS: The number of arguments (input operands) that are
|
|
* required for this opcode type (1 through 6 args).
|
|
* yT - TARGETS: The number of targets (output operands) that are required
|
|
* for this opcode type (0, 1, or 2 targets).
|
|
* zR - RETURN VALUE: Indicates whether this opcode type returns a value
|
|
* as the function return (0 or 1).
|
|
*
|
|
* The AcpiExOpcode* functions are called via the Dispatcher component with
|
|
* fully resolved operands.
|
|
!*/
|
|
|
|
/* Local prototypes */
|
|
|
|
static BOOLEAN
|
|
AcpiExDoMatch (
|
|
UINT32 MatchOp,
|
|
ACPI_OPERAND_OBJECT *PackageObj,
|
|
ACPI_OPERAND_OBJECT *MatchObj);
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiExDoMatch
|
|
*
|
|
* PARAMETERS: MatchOp - The AML match operand
|
|
* PackageObj - Object from the target package
|
|
* MatchObj - Object to be matched
|
|
*
|
|
* RETURN: TRUE if the match is successful, FALSE otherwise
|
|
*
|
|
* DESCRIPTION: Implements the low-level match for the ASL Match operator.
|
|
* Package elements will be implicitly converted to the type of
|
|
* the match object (Integer/Buffer/String).
|
|
*
|
|
******************************************************************************/
|
|
|
|
static BOOLEAN
|
|
AcpiExDoMatch (
|
|
UINT32 MatchOp,
|
|
ACPI_OPERAND_OBJECT *PackageObj,
|
|
ACPI_OPERAND_OBJECT *MatchObj)
|
|
{
|
|
BOOLEAN LogicalResult = TRUE;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
/*
|
|
* Note: Since the PackageObj/MatchObj ordering is opposite to that of
|
|
* the standard logical operators, we have to reverse them when we call
|
|
* DoLogicalOp in order to make the implicit conversion rules work
|
|
* correctly. However, this means we have to flip the entire equation
|
|
* also. A bit ugly perhaps, but overall, better than fussing the
|
|
* parameters around at runtime, over and over again.
|
|
*
|
|
* Below, P[i] refers to the package element, M refers to the Match object.
|
|
*/
|
|
switch (MatchOp)
|
|
{
|
|
case MATCH_MTR:
|
|
|
|
/* Always true */
|
|
|
|
break;
|
|
|
|
case MATCH_MEQ:
|
|
|
|
/*
|
|
* True if equal: (P[i] == M)
|
|
* Change to: (M == P[i])
|
|
*/
|
|
Status = AcpiExDoLogicalOp (AML_LEQUAL_OP, MatchObj, PackageObj,
|
|
&LogicalResult);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return (FALSE);
|
|
}
|
|
break;
|
|
|
|
case MATCH_MLE:
|
|
|
|
/*
|
|
* True if less than or equal: (P[i] <= M) (P[i] NotGreater than M)
|
|
* Change to: (M >= P[i]) (M NotLess than P[i])
|
|
*/
|
|
Status = AcpiExDoLogicalOp (AML_LLESS_OP, MatchObj, PackageObj,
|
|
&LogicalResult);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return (FALSE);
|
|
}
|
|
LogicalResult = (BOOLEAN) !LogicalResult;
|
|
break;
|
|
|
|
case MATCH_MLT:
|
|
|
|
/*
|
|
* True if less than: (P[i] < M)
|
|
* Change to: (M > P[i])
|
|
*/
|
|
Status = AcpiExDoLogicalOp (AML_LGREATER_OP, MatchObj, PackageObj,
|
|
&LogicalResult);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return (FALSE);
|
|
}
|
|
break;
|
|
|
|
case MATCH_MGE:
|
|
|
|
/*
|
|
* True if greater than or equal: (P[i] >= M) (P[i] NotLess than M)
|
|
* Change to: (M <= P[i]) (M NotGreater than P[i])
|
|
*/
|
|
Status = AcpiExDoLogicalOp (AML_LGREATER_OP, MatchObj, PackageObj,
|
|
&LogicalResult);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return (FALSE);
|
|
}
|
|
LogicalResult = (BOOLEAN)!LogicalResult;
|
|
break;
|
|
|
|
case MATCH_MGT:
|
|
|
|
/*
|
|
* True if greater than: (P[i] > M)
|
|
* Change to: (M < P[i])
|
|
*/
|
|
Status = AcpiExDoLogicalOp (AML_LLESS_OP, MatchObj, PackageObj,
|
|
&LogicalResult);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return (FALSE);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
|
|
/* Undefined */
|
|
|
|
return (FALSE);
|
|
}
|
|
|
|
return LogicalResult;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiExOpcode_6A_0T_1R
|
|
*
|
|
* PARAMETERS: WalkState - Current walk state
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Execute opcode with 6 arguments, no target, and a return value
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiExOpcode_6A_0T_1R (
|
|
ACPI_WALK_STATE *WalkState)
|
|
{
|
|
ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0];
|
|
ACPI_OPERAND_OBJECT *ReturnDesc = NULL;
|
|
ACPI_STATUS Status = AE_OK;
|
|
ACPI_INTEGER Index;
|
|
ACPI_OPERAND_OBJECT *ThisElement;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE_STR (ExOpcode_6A_0T_1R,
|
|
AcpiPsGetOpcodeName (WalkState->Opcode));
|
|
|
|
|
|
switch (WalkState->Opcode)
|
|
{
|
|
case AML_MATCH_OP:
|
|
/*
|
|
* Match (SearchPkg[0], MatchOp1[1], MatchObj1[2],
|
|
* MatchOp2[3], MatchObj2[4], StartIndex[5])
|
|
*/
|
|
|
|
/* Validate both Match Term Operators (MTR, MEQ, etc.) */
|
|
|
|
if ((Operand[1]->Integer.Value > MAX_MATCH_OPERATOR) ||
|
|
(Operand[3]->Integer.Value > MAX_MATCH_OPERATOR))
|
|
{
|
|
ACPI_ERROR ((AE_INFO, "Match operator out of range"));
|
|
Status = AE_AML_OPERAND_VALUE;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* Get the package StartIndex, validate against the package length */
|
|
|
|
Index = Operand[5]->Integer.Value;
|
|
if (Index >= Operand[0]->Package.Count)
|
|
{
|
|
ACPI_ERROR ((AE_INFO,
|
|
"Index (%X%8.8X) beyond package end (%X)",
|
|
ACPI_FORMAT_UINT64 (Index), Operand[0]->Package.Count));
|
|
Status = AE_AML_PACKAGE_LIMIT;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* Create an integer for the return value */
|
|
|
|
ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
|
|
if (!ReturnDesc)
|
|
{
|
|
Status = AE_NO_MEMORY;
|
|
goto Cleanup;
|
|
|
|
}
|
|
|
|
/* Default return value if no match found */
|
|
|
|
ReturnDesc->Integer.Value = ACPI_INTEGER_MAX;
|
|
|
|
/*
|
|
* Examine each element until a match is found. Both match conditions
|
|
* must be satisfied for a match to occur. Within the loop,
|
|
* "continue" signifies that the current element does not match
|
|
* and the next should be examined.
|
|
*
|
|
* Upon finding a match, the loop will terminate via "break" at
|
|
* the bottom. If it terminates "normally", MatchValue will be
|
|
* ACPI_INTEGER_MAX (Ones) (its initial value) indicating that no
|
|
* match was found.
|
|
*/
|
|
for ( ; Index < Operand[0]->Package.Count; Index++)
|
|
{
|
|
/* Get the current package element */
|
|
|
|
ThisElement = Operand[0]->Package.Elements[Index];
|
|
|
|
/* Treat any uninitialized (NULL) elements as non-matching */
|
|
|
|
if (!ThisElement)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* Both match conditions must be satisfied. Execution of a continue
|
|
* (proceed to next iteration of enclosing for loop) signifies a
|
|
* non-match.
|
|
*/
|
|
if (!AcpiExDoMatch ((UINT32) Operand[1]->Integer.Value,
|
|
ThisElement, Operand[2]))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (!AcpiExDoMatch ((UINT32) Operand[3]->Integer.Value,
|
|
ThisElement, Operand[4]))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
/* Match found: Index is the return value */
|
|
|
|
ReturnDesc->Integer.Value = Index;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
|
|
case AML_LOAD_TABLE_OP:
|
|
|
|
Status = AcpiExLoadTableOp (WalkState, &ReturnDesc);
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
ACPI_ERROR ((AE_INFO, "Unknown AML opcode %X",
|
|
WalkState->Opcode));
|
|
Status = AE_AML_BAD_OPCODE;
|
|
goto Cleanup;
|
|
}
|
|
|
|
|
|
Cleanup:
|
|
|
|
/* Delete return object on error */
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiUtRemoveReference (ReturnDesc);
|
|
}
|
|
|
|
/* Save return object on success */
|
|
|
|
else
|
|
{
|
|
WalkState->ResultObj = ReturnDesc;
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|