/******************************************************************************
*
* Module Name: exoparg2 - AML execution - opcodes with 2 arguments
* $Revision: 117 $
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2003, 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 __EXOPARG2_C__
#include "acpi.h"
#include "acparser.h"
#include "acinterp.h"
#include "acevents.h"
#include "amlcode.h"
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exoparg2")
/*!
* 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.
!*/
/*******************************************************************************
*
* FUNCTION: AcpiExOpcode_2A_0T_0R
*
* PARAMETERS: WalkState - Current walk state
*
* RETURN: Status
*
* DESCRIPTION: Execute opcode with two arguments, no target, and no return
* value.
*
* ALLOCATION: Deletes both operands
*
******************************************************************************/
ACPI_STATUS
AcpiExOpcode_2A_0T_0R (
ACPI_WALK_STATE *WalkState)
{
ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0];
ACPI_NAMESPACE_NODE *Node;
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE_STR ("ExOpcode_2A_0T_0R",
AcpiPsGetOpcodeName (WalkState->Opcode));
/* Examine the opcode */
switch (WalkState->Opcode)
{
case AML_NOTIFY_OP: /* Notify (NotifyObject, NotifyValue) */
/* The first operand is a namespace node */
Node = (ACPI_NAMESPACE_NODE *) Operand[0];
/* Notifies allowed on this object? */
if (!AcpiEvIsNotifyObject (Node))
{
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unexpected notify object type [%s]\n",
AcpiUtGetTypeName (Node->Type)));
Status = AE_AML_OPERAND_TYPE;
break;
}
/*
* Dispatch the notify to the appropriate handler
* NOTE: the request is queued for execution after this method
* completes. The notify handlers are NOT invoked synchronously
* from this thread -- because handlers may in turn run other
* control methods.
*/
Status = AcpiEvQueueNotifyRequest (Node,
(UINT32) Operand[1]->Integer.Value);
break;
default:
ACPI_REPORT_ERROR (("AcpiExOpcode_2A_0T_0R: Unknown opcode %X\n",
WalkState->Opcode));
Status = AE_AML_BAD_OPCODE;
}
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiExOpcode_2A_2T_1R
*
* PARAMETERS: WalkState - Current walk state
*
* RETURN: Status
*
* DESCRIPTION: Execute a dyadic operator (2 operands) with 2 output targets
* and one implicit return value.
*
******************************************************************************/
ACPI_STATUS
AcpiExOpcode_2A_2T_1R (
ACPI_WALK_STATE *WalkState)
{
ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0];
ACPI_OPERAND_OBJECT *ReturnDesc1 = NULL;
ACPI_OPERAND_OBJECT *ReturnDesc2 = NULL;
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE_STR ("ExOpcode_2A_2T_1R", AcpiPsGetOpcodeName (WalkState->Opcode));
/*
* Execute the opcode
*/
switch (WalkState->Opcode)
{
case AML_DIVIDE_OP: /* Divide (Dividend, Divisor, RemainderResult QuotientResult) */
ReturnDesc1 = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
if (!ReturnDesc1)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
ReturnDesc2 = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
if (!ReturnDesc2)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
/* Quotient to ReturnDesc1, remainder to ReturnDesc2 */
Status = AcpiUtDivide (&Operand[0]->Integer.Value, &Operand[1]->Integer.Value,
&ReturnDesc1->Integer.Value, &ReturnDesc2->Integer.Value);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
break;
default:
ACPI_REPORT_ERROR (("AcpiExOpcode_2A_2T_1R: Unknown opcode %X\n",
WalkState->Opcode));
Status = AE_AML_BAD_OPCODE;
goto Cleanup;
}
/* Store the results to the target reference operands */
Status = AcpiExStore (ReturnDesc2, Operand[2], WalkState);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
Status = AcpiExStore (ReturnDesc1, Operand[3], WalkState);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
/* Return the remainder */
WalkState->ResultObj = ReturnDesc1;
Cleanup:
/*
* Since the remainder is not returned indirectly, remove a reference to
* it. Only the quotient is returned indirectly.
*/
AcpiUtRemoveReference (ReturnDesc2);
if (ACPI_FAILURE (Status))
{
/* Delete the return object */
AcpiUtRemoveReference (ReturnDesc1);
}
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiExOpcode_2A_1T_1R
*
* PARAMETERS: WalkState - Current walk state
*
* RETURN: Status
*
* DESCRIPTION: Execute opcode with two arguments, one target, and a return
* value.
*
******************************************************************************/
ACPI_STATUS
AcpiExOpcode_2A_1T_1R (
ACPI_WALK_STATE *WalkState)
{
ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0];
ACPI_OPERAND_OBJECT *ReturnDesc = NULL;
ACPI_OPERAND_OBJECT *TempDesc = NULL;
UINT32 Index;
ACPI_STATUS Status = AE_OK;
ACPI_SIZE Length;
ACPI_FUNCTION_TRACE_STR ("ExOpcode_2A_1T_1R", AcpiPsGetOpcodeName (WalkState->Opcode));
/*
* Execute the opcode
*/
if (WalkState->OpInfo->Flags & AML_MATH)
{
/* All simple math opcodes (add, etc.) */
ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
if (!ReturnDesc)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
ReturnDesc->Integer.Value = AcpiExDoMathOp (WalkState->Opcode,
Operand[0]->Integer.Value,
Operand[1]->Integer.Value);
goto StoreResultToTarget;
}
switch (WalkState->Opcode)
{
case AML_MOD_OP: /* Mod (Dividend, Divisor, RemainderResult (ACPI 2.0) */
ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
if (!ReturnDesc)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
/* ReturnDesc will contain the remainder */
Status = AcpiUtDivide (&Operand[0]->Integer.Value, &Operand[1]->Integer.Value,
NULL, &ReturnDesc->Integer.Value);
break;
case AML_CONCAT_OP: /* Concatenate (Data1, Data2, Result) */
/*
* Convert the second operand if necessary. The first operand
* determines the type of the second operand, (See the Data Types
* section of the ACPI specification.) Both object types are
* guaranteed to be either Integer/String/Buffer by the operand
* resolution mechanism above.
*/
switch (ACPI_GET_OBJECT_TYPE (Operand[0]))
{
case ACPI_TYPE_INTEGER:
Status = AcpiExConvertToInteger (Operand[1], &TempDesc, WalkState);
break;
case ACPI_TYPE_STRING:
Status = AcpiExConvertToString (Operand[1], &TempDesc, 16, ACPI_UINT32_MAX, WalkState);
break;
case ACPI_TYPE_BUFFER:
Status = AcpiExConvertToBuffer (Operand[1], &TempDesc, WalkState);
break;
default:
Status = AE_AML_INTERNAL;
}
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
/*
* Both operands are now known to be the same object type
* (Both are Integer, String, or Buffer), and we can now perform the
* concatenation.
*/
Status = AcpiExDoConcatenate (Operand[0], TempDesc, &ReturnDesc, WalkState);
if (TempDesc != Operand[1])
{
AcpiUtRemoveReference (TempDesc);
}
break;
case AML_TO_STRING_OP: /* ToString (Buffer, Length, Result) (ACPI 2.0) */
/*
* Input object is guaranteed to be a buffer at this point (it may have
* been converted.) Copy the raw buffer data to a new object of type String.
*/
/* Get the length of the new string */
Length = 0;
if (Operand[1]->Integer.Value == 0)
{
/* Handle optional length value */
Operand[1]->Integer.Value = ACPI_INTEGER_MAX;
}
while ((Length < Operand[0]->Buffer.Length) &&
(Length < Operand[1]->Integer.Value) &&
(Operand[0]->Buffer.Pointer[Length]))
{
Length++;
}
if (Length > ACPI_MAX_STRING_CONVERSION)
{
Status = AE_AML_STRING_LIMIT;
goto Cleanup;
}
/* Create the internal return object */
ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_STRING);
if (!ReturnDesc)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
/* Allocate a new string buffer (Length + 1 for null terminator) */
ReturnDesc->String.Pointer = ACPI_MEM_CALLOCATE (Length + 1);
if (!ReturnDesc->String.Pointer)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
/* Copy the raw buffer data with no transform */
ACPI_MEMCPY (ReturnDesc->String.Pointer, Operand[0]->Buffer.Pointer, Length);
/* Set the string length */
ReturnDesc->String.Length = (UINT32) Length;
break;
case AML_CONCAT_RES_OP: /* ConcatenateResTemplate (Buffer, Buffer, Result) (ACPI 2.0) */
Status = AcpiExConcatTemplate (Operand[0], Operand[1], &ReturnDesc, WalkState);
break;
case AML_INDEX_OP: /* Index (Source Index Result) */
/* Create the internal return object */
ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_LOCAL_REFERENCE);
if (!ReturnDesc)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
Index = (UINT32) Operand[1]->Integer.Value;
/*
* At this point, the Source operand is either a Package or a Buffer
*/
if (ACPI_GET_OBJECT_TYPE (Operand[0]) == ACPI_TYPE_PACKAGE)
{
/* Object to be indexed is a Package */
if (Index >= Operand[0]->Package.Count)
{
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Index value (%X) beyond package end (%X)\n",
Index, Operand[0]->Package.Count));
Status = AE_AML_PACKAGE_LIMIT;
goto Cleanup;
}
ReturnDesc->Reference.TargetType = ACPI_TYPE_PACKAGE;
ReturnDesc->Reference.Object = Operand[0]->Package.Elements [Index];
ReturnDesc->Reference.Where = &Operand[0]->Package.Elements [Index];
}
else
{
/* Object to be indexed is a Buffer */
if (Index >= Operand[0]->Buffer.Length)
{
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Index value (%X) beyond end of buffer (%X)\n",
Index, Operand[0]->Buffer.Length));
Status = AE_AML_BUFFER_LIMIT;
goto Cleanup;
}
ReturnDesc->Reference.TargetType = ACPI_TYPE_BUFFER_FIELD;
ReturnDesc->Reference.Object = Operand[0];
}
/* Complete the Index reference object */
ReturnDesc->Reference.Opcode = AML_INDEX_OP;
ReturnDesc->Reference.Offset = Index;
/* Store the reference to the Target */
Status = AcpiExStore (ReturnDesc, Operand[2], WalkState);
/* Return the reference */
WalkState->ResultObj = ReturnDesc;
goto Cleanup;
default:
ACPI_REPORT_ERROR (("AcpiExOpcode_2A_1T_1R: Unknown opcode %X\n",
WalkState->Opcode));
Status = AE_AML_BAD_OPCODE;
break;
}
StoreResultToTarget:
if (ACPI_SUCCESS (Status))
{
/*
* Store the result of the operation (which is now in ReturnDesc) into
* the Target descriptor.
*/
Status = AcpiExStore (ReturnDesc, Operand[2], WalkState);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
if (!WalkState->ResultObj)
{
WalkState->ResultObj = ReturnDesc;
}
}
Cleanup:
/* Delete return object on error */
if (ACPI_FAILURE (Status))
{
AcpiUtRemoveReference (ReturnDesc);
}
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiExOpcode_2A_0T_1R
*
* PARAMETERS: WalkState - Current walk state
*
* RETURN: Status
*
* DESCRIPTION: Execute opcode with 2 arguments, no target, and a return value
*
******************************************************************************/
ACPI_STATUS
AcpiExOpcode_2A_0T_1R (
ACPI_WALK_STATE *WalkState)
{
ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0];
ACPI_OPERAND_OBJECT *ReturnDesc = NULL;
ACPI_STATUS Status = AE_OK;
BOOLEAN LogicalResult = FALSE;
ACPI_FUNCTION_TRACE_STR ("ExOpcode_2A_0T_1R", AcpiPsGetOpcodeName (WalkState->Opcode));
/* Create the internal return object */
ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
if (!ReturnDesc)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
/*
* Execute the Opcode
*/
if (WalkState->OpInfo->Flags & AML_LOGICAL) /* LogicalOp (Operand0, Operand1) */
{
LogicalResult = AcpiExDoLogicalOp (WalkState->Opcode,
Operand[0]->Integer.Value,
Operand[1]->Integer.Value);
goto StoreLogicalResult;
}
switch (WalkState->Opcode)
{
case AML_ACQUIRE_OP: /* Acquire (MutexObject, Timeout) */
Status = AcpiExAcquireMutex (Operand[1], Operand[0], WalkState);
if (Status == AE_TIME)
{
LogicalResult = TRUE; /* TRUE = Acquire timed out */
Status = AE_OK;
}
break;
case AML_WAIT_OP: /* Wait (EventObject, Timeout) */
Status = AcpiExSystemWaitEvent (Operand[1], Operand[0]);
if (Status == AE_TIME)
{
LogicalResult = TRUE; /* TRUE, Wait timed out */
Status = AE_OK;
}
break;
default:
ACPI_REPORT_ERROR (("AcpiExOpcode_2A_0T_1R: Unknown opcode %X\n",
WalkState->Opcode));
Status = AE_AML_BAD_OPCODE;
goto Cleanup;
}
StoreLogicalResult:
/*
* Set return value to according to LogicalResult. logical TRUE (all ones)
* Default is FALSE (zero)
*/
if (LogicalResult)
{
ReturnDesc->Integer.Value = ACPI_INTEGER_MAX;
}
WalkState->ResultObj = ReturnDesc;
Cleanup:
/* Delete return object on error */
if (ACPI_FAILURE (Status))
{
AcpiUtRemoveReference (ReturnDesc);
}
return_ACPI_STATUS (Status);
}
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