diff options
Diffstat (limited to 'sys/contrib/dev/acpica/exdyadic.c')
| -rw-r--r-- | sys/contrib/dev/acpica/exdyadic.c | 939 |
1 files changed, 0 insertions, 939 deletions
diff --git a/sys/contrib/dev/acpica/exdyadic.c b/sys/contrib/dev/acpica/exdyadic.c deleted file mode 100644 index ef434a298388..000000000000 --- a/sys/contrib/dev/acpica/exdyadic.c +++ /dev/null @@ -1,939 +0,0 @@ -/****************************************************************************** - * - * Module Name: exdyadic - ACPI AML execution for dyadic (2-operand) operators - * $Revision: 91 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999, 2000, 2001, 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 __EXDYADIC_C__ - -#include "acpi.h" -#include "acparser.h" -#include "acnamesp.h" -#include "acinterp.h" -#include "acevents.h" -#include "amlcode.h" -#include "acdispat.h" - - -#define _COMPONENT ACPI_EXECUTER - MODULE_NAME ("exdyadic") - - -/******************************************************************************* - * - * FUNCTION: AcpiExDoConcatenate - * - * PARAMETERS: *ObjDesc - Object to be converted. Must be an - * Integer, Buffer, or String - * WalkState - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Concatenate two objects OF THE SAME TYPE. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiExDoConcatenate ( - ACPI_OPERAND_OBJECT *ObjDesc, - ACPI_OPERAND_OBJECT *ObjDesc2, - ACPI_OPERAND_OBJECT **ActualRetDesc, - ACPI_WALK_STATE *WalkState) -{ - ACPI_STATUS Status; - UINT32 i; - ACPI_INTEGER ThisInteger; - ACPI_OPERAND_OBJECT *RetDesc; - NATIVE_CHAR *NewBuf; - UINT32 IntegerSize = sizeof (ACPI_INTEGER); - - - FUNCTION_ENTRY (); - - - /* - * There are three cases to handle: - * 1) Two Integers concatenated to produce a buffer - * 2) Two Strings concatenated to produce a string - * 3) Two Buffers concatenated to produce a buffer - */ - switch (ObjDesc->Common.Type) - { - case ACPI_TYPE_INTEGER: - - /* Handle both ACPI 1.0 and ACPI 2.0 Integer widths */ - - if (WalkState->MethodNode->Flags & ANOBJ_DATA_WIDTH_32) - { - /* - * We are running a method that exists in a 32-bit ACPI table. - * Truncate the value to 32 bits by zeroing out the upper - * 32-bit field - */ - IntegerSize = sizeof (UINT32); - } - - /* Result of two integers is a buffer */ - - RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER); - if (!RetDesc) - { - return (AE_NO_MEMORY); - } - - /* Need enough space for two integers */ - - RetDesc->Buffer.Length = IntegerSize * 2; - NewBuf = ACPI_MEM_CALLOCATE (RetDesc->Buffer.Length); - if (!NewBuf) - { - REPORT_ERROR - (("ExDoConcatenate: Buffer allocation failure\n")); - Status = AE_NO_MEMORY; - goto Cleanup; - } - - RetDesc->Buffer.Pointer = (UINT8 *) NewBuf; - - /* Convert the first integer */ - - ThisInteger = ObjDesc->Integer.Value; - for (i = 0; i < IntegerSize; i++) - { - NewBuf[i] = (UINT8) ThisInteger; - ThisInteger >>= 8; - } - - /* Convert the second integer */ - - ThisInteger = ObjDesc2->Integer.Value; - for (; i < (IntegerSize * 2); i++) - { - NewBuf[i] = (UINT8) ThisInteger; - ThisInteger >>= 8; - } - - break; - - - case ACPI_TYPE_STRING: - - RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_STRING); - if (!RetDesc) - { - return (AE_NO_MEMORY); - } - - /* Operand1 is string */ - - NewBuf = ACPI_MEM_ALLOCATE (ObjDesc->String.Length + - ObjDesc2->String.Length + 1); - if (!NewBuf) - { - REPORT_ERROR - (("ExDoConcatenate: String allocation failure\n")); - Status = AE_NO_MEMORY; - goto Cleanup; - } - - STRCPY (NewBuf, ObjDesc->String.Pointer); - STRCPY (NewBuf + ObjDesc->String.Length, - ObjDesc2->String.Pointer); - - /* Point the return object to the new string */ - - RetDesc->String.Pointer = NewBuf; - RetDesc->String.Length = ObjDesc->String.Length += - ObjDesc2->String.Length; - break; - - - case ACPI_TYPE_BUFFER: - - /* Operand1 is a buffer */ - - RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER); - if (!RetDesc) - { - return (AE_NO_MEMORY); - } - - NewBuf = ACPI_MEM_ALLOCATE (ObjDesc->Buffer.Length + - ObjDesc2->Buffer.Length); - if (!NewBuf) - { - REPORT_ERROR - (("ExDoConcatenate: Buffer allocation failure\n")); - Status = AE_NO_MEMORY; - goto Cleanup; - } - - MEMCPY (NewBuf, ObjDesc->Buffer.Pointer, - ObjDesc->Buffer.Length); - MEMCPY (NewBuf + ObjDesc->Buffer.Length, ObjDesc2->Buffer.Pointer, - ObjDesc2->Buffer.Length); - - /* - * Point the return object to the new buffer - */ - - RetDesc->Buffer.Pointer = (UINT8 *) NewBuf; - RetDesc->Buffer.Length = ObjDesc->Buffer.Length + - ObjDesc2->Buffer.Length; - break; - - default: - Status = AE_AML_INTERNAL; - RetDesc = NULL; - } - - - *ActualRetDesc = RetDesc; - return (AE_OK); - - -Cleanup: - - AcpiUtRemoveReference (RetDesc); - return (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExDyadic1 - * - * PARAMETERS: WalkState - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Execute Type 1 dyadic operator with numeric operands: - * NotifyOp - * - * ALLOCATION: Deletes both operands - * - ******************************************************************************/ - -ACPI_STATUS -AcpiExDyadic1 ( - ACPI_WALK_STATE *WalkState) -{ - ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; - ACPI_NAMESPACE_NODE *Node; - ACPI_STATUS Status = AE_OK; - - - FUNCTION_TRACE_PTR ("ExDyadic1", WALK_OPERANDS); - - - - /* 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]; - Operand[0] = NULL; - - /* The node must refer to a device or thermal zone */ - - if (Node && Operand[1]) - { - switch (Node->Type) - { - case ACPI_TYPE_DEVICE: - case ACPI_TYPE_THERMAL: - - /* - * 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_DEBUG_PRINT ((ACPI_DB_ERROR, "Unexpected notify object type %X\n", - Node->Type)); - - Status = AE_AML_OPERAND_TYPE; - break; - } - } - break; - - default: - - REPORT_ERROR (("AcpiExDyadic1: Unknown dyadic opcode %X\n", WalkState->Opcode)); - Status = AE_AML_BAD_OPCODE; - } - - - /* Always delete both operands */ - - AcpiUtRemoveReference (Operand[1]); - AcpiUtRemoveReference (Operand[0]); - - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExDyadic2R - * - * PARAMETERS: WalkState - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Execute Type 2 dyadic operator with numeric operands and - * one or two result operands. - * - * ALLOCATION: Deletes one operand descriptor -- other remains on stack - * - ******************************************************************************/ - -ACPI_STATUS -AcpiExDyadic2R ( - ACPI_WALK_STATE *WalkState) -{ - ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; - ACPI_OPERAND_OBJECT *RetDesc = NULL; - ACPI_OPERAND_OBJECT *RetDesc2 = NULL; - ACPI_STATUS Status = AE_OK; - - - FUNCTION_TRACE_U32 ("ExDyadic2R", WalkState->Opcode); - - - /* Create an internal return object if necessary */ - - switch (WalkState->Opcode) - { - case AML_ADD_OP: - case AML_BIT_AND_OP: - case AML_BIT_NAND_OP: - case AML_BIT_OR_OP: - case AML_BIT_NOR_OP: - case AML_BIT_XOR_OP: - case AML_DIVIDE_OP: - case AML_MOD_OP: - case AML_MULTIPLY_OP: - case AML_SHIFT_LEFT_OP: - case AML_SHIFT_RIGHT_OP: - case AML_SUBTRACT_OP: - - RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER); - if (!RetDesc) - { - Status = AE_NO_MEMORY; - goto Cleanup; - } - - break; - } - - - /* - * Execute the opcode - */ - switch (WalkState->Opcode) - { - - case AML_ADD_OP: /* Add (Operand1, Operand2, Result) */ - - RetDesc->Integer.Value = Operand[0]->Integer.Value + - Operand[1]->Integer.Value; - break; - - - case AML_BIT_AND_OP: /* And (Operand1, Operand2, Result) */ - - RetDesc->Integer.Value = Operand[0]->Integer.Value & - Operand[1]->Integer.Value; - break; - - - case AML_BIT_NAND_OP: /* NAnd (Operand1, Operand2, Result) */ - - RetDesc->Integer.Value = ~(Operand[0]->Integer.Value & - Operand[1]->Integer.Value); - break; - - - case AML_BIT_OR_OP: /* Or (Operand1, Operand2, Result) */ - - RetDesc->Integer.Value = Operand[0]->Integer.Value | - Operand[1]->Integer.Value; - break; - - - case AML_BIT_NOR_OP: /* NOr (Operand1, Operand2, Result) */ - - RetDesc->Integer.Value = ~(Operand[0]->Integer.Value | - Operand[1]->Integer.Value); - break; - - - case AML_BIT_XOR_OP: /* XOr (Operand1, Operand2, Result) */ - - RetDesc->Integer.Value = Operand[0]->Integer.Value ^ - Operand[1]->Integer.Value; - break; - - - case AML_DIVIDE_OP: /* Divide (Dividend, Divisor, RemainderResult QuotientRsult) */ - - if (!Operand[1]->Integer.Value) - { - REPORT_ERROR (("DivideOp: Divide by zero\n")); - - Status = AE_AML_DIVIDE_BY_ZERO; - goto Cleanup; - } - - RetDesc2 = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER); - if (!RetDesc2) - { - Status = AE_NO_MEMORY; - goto Cleanup; - } - - /* - * RetDesc2 will contain the quotient, - * RetDesc will contain the remainder - */ - Status = AcpiUtDivide (&Operand[0]->Integer.Value, &Operand[1]->Integer.Value, - &RetDesc2->Integer.Value, &RetDesc->Integer.Value); - - break; - - - case AML_MOD_OP: /* Mod (Dividend, Divisor, RemainderResult (ACPI 2.0) */ - - if (!Operand[1]->Integer.Value) - { - REPORT_ERROR (("ModOp: Divide by zero\n")); - - Status = AE_AML_DIVIDE_BY_ZERO; - goto Cleanup; - } - - /* RetDesc will contain the remainder */ - - Status = AcpiUtDivide (&Operand[0]->Integer.Value, &Operand[1]->Integer.Value, - NULL, &RetDesc->Integer.Value); - - break; - - - case AML_MULTIPLY_OP: /* Multiply (Operand1, Operand2, Result) */ - - RetDesc->Integer.Value = Operand[0]->Integer.Value * - Operand[1]->Integer.Value; - break; - - - case AML_SHIFT_LEFT_OP: /* ShiftLeft (Operand, ShiftCount, Result) */ - - RetDesc->Integer.Value = Operand[0]->Integer.Value << - Operand[1]->Integer.Value; - break; - - - case AML_SHIFT_RIGHT_OP: /* ShiftRight (Operand, ShiftCount, Result) */ - - RetDesc->Integer.Value = Operand[0]->Integer.Value >> - Operand[1]->Integer.Value; - break; - - - case AML_SUBTRACT_OP: /* Subtract (Operand1, Operand2, Result) */ - - RetDesc->Integer.Value = Operand[0]->Integer.Value - - Operand[1]->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 (Operand[0]->Common.Type) - { - case ACPI_TYPE_INTEGER: - Status = AcpiExConvertToInteger (Operand[1], &Operand[1], WalkState); - break; - - case ACPI_TYPE_STRING: - Status = AcpiExConvertToString (Operand[1], &Operand[1], 16, ACPI_UINT32_MAX, WalkState); - break; - - case ACPI_TYPE_BUFFER: - Status = AcpiExConvertToBuffer (Operand[1], &Operand[1], 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], Operand[1], &RetDesc, WalkState); - if (ACPI_FAILURE (Status)) - { - goto Cleanup; - } - break; - - - case AML_TO_STRING_OP: /* ToString (Buffer, Length, Result) (ACPI 2.0) */ - - Status = AcpiExConvertToString (Operand[0], &RetDesc, 16, - (UINT32) Operand[1]->Integer.Value, WalkState); - break; - - - case AML_CONCAT_RES_OP: /* ConcatenateResTemplate (Buffer, Buffer, Result) (ACPI 2.0) */ - - Status = AE_NOT_IMPLEMENTED; - goto Cleanup; - break; - - - default: - - REPORT_ERROR (("AcpiExDyadic2R: Unknown dyadic opcode %X\n", - WalkState->Opcode)); - Status = AE_AML_BAD_OPCODE; - goto Cleanup; - } - - - /* - * Store the result of the operation (which is now in Operand[0]) into - * the result descriptor, or the location pointed to by the result - * descriptor (Operand[2]). - */ - Status = AcpiExStore (RetDesc, Operand[2], WalkState); - if (ACPI_FAILURE (Status)) - { - goto Cleanup; - } - - if (AML_DIVIDE_OP == WalkState->Opcode) - { - Status = AcpiExStore (RetDesc2, Operand[3], WalkState); - - /* - * Since the remainder is not returned, remove a reference to - * the object we created earlier - */ - AcpiUtRemoveReference (RetDesc); - WalkState->ResultObj = RetDesc2; - } - - else - { - WalkState->ResultObj = RetDesc; - } - - -Cleanup: - - /* Always delete the operands */ - - AcpiUtRemoveReference (Operand[0]); - AcpiUtRemoveReference (Operand[1]); - - - /* Delete return object on error */ - - if (ACPI_FAILURE (Status)) - { - /* On failure, delete the result ops */ - - AcpiUtRemoveReference (Operand[2]); - AcpiUtRemoveReference (Operand[3]); - - if (RetDesc) - { - /* And delete the internal return object */ - - AcpiUtRemoveReference (RetDesc); - RetDesc = NULL; - } - } - - /* Set the return object and exit */ - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExDyadic2S - * - * PARAMETERS: WalkState - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Execute Type 2 dyadic synchronization operator - * - * ALLOCATION: Deletes one operand descriptor -- other remains on stack - * - ******************************************************************************/ - -ACPI_STATUS -AcpiExDyadic2S ( - ACPI_WALK_STATE *WalkState) -{ - ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; - ACPI_OPERAND_OBJECT *RetDesc = NULL; - ACPI_STATUS Status; - - - FUNCTION_TRACE_PTR ("ExDyadic2S", WALK_OPERANDS); - - - - /* Create the internal return object */ - - RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER); - if (!RetDesc) - { - Status = AE_NO_MEMORY; - goto Cleanup; - } - - /* Default return value is FALSE, operation did not time out */ - - RetDesc->Integer.Value = 0; - - - /* Examine the opcode */ - - switch (WalkState->Opcode) - { - - case AML_ACQUIRE_OP: /* Acquire (MutexObject, Timeout) */ - - Status = AcpiExAcquireMutex (Operand[1], Operand[0], WalkState); - break; - - - case AML_WAIT_OP: /* Wait (EventObject, Timeout) */ - - Status = AcpiExSystemWaitEvent (Operand[1], Operand[0]); - break; - - - default: - - REPORT_ERROR (("AcpiExDyadic2S: Unknown dyadic synchronization opcode %X\n", WalkState->Opcode)); - Status = AE_AML_BAD_OPCODE; - goto Cleanup; - } - - - /* - * Return a boolean indicating if operation timed out - * (TRUE) or not (FALSE) - */ - if (Status == AE_TIME) - { - RetDesc->Integer.Value = ACPI_INTEGER_MAX; /* TRUE, op timed out */ - Status = AE_OK; - } - - -Cleanup: - - /* Delete params */ - - AcpiUtRemoveReference (Operand[1]); - AcpiUtRemoveReference (Operand[0]); - - /* Delete return object on error */ - - if (ACPI_FAILURE (Status) && - (RetDesc)) - { - AcpiUtRemoveReference (RetDesc); - RetDesc = NULL; - } - - - /* Set the return object and exit */ - - WalkState->ResultObj = RetDesc; - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExDyadic2 - * - * PARAMETERS: WalkState - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Execute Type 2 dyadic operator with numeric operands and - * no result operands - * - * ALLOCATION: Deletes one operand descriptor -- other remains on stack - * containing result value - * - ******************************************************************************/ - -ACPI_STATUS -AcpiExDyadic2 ( - ACPI_WALK_STATE *WalkState) -{ - ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; - ACPI_OPERAND_OBJECT *RetDesc = NULL; - ACPI_STATUS Status = AE_OK; - BOOLEAN Lboolean; - - - FUNCTION_TRACE_PTR ("ExDyadic2", WALK_OPERANDS); - - - /* Create the internal return object */ - - RetDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER); - if (!RetDesc) - { - Status = AE_NO_MEMORY; - goto Cleanup; - } - - /* - * Execute the WalkState->Opcode - */ - Lboolean = FALSE; - switch (WalkState->Opcode) - { - - case AML_LAND_OP: /* LAnd (Operand1, Operand2) */ - - Lboolean = (BOOLEAN) (Operand[0]->Integer.Value && - Operand[1]->Integer.Value); - break; - - - case AML_LEQUAL_OP: /* LEqual (Operand1, Operand2) */ - - Lboolean = (BOOLEAN) (Operand[0]->Integer.Value == - Operand[1]->Integer.Value); - break; - - - case AML_LGREATER_OP: /* LGreater (Operand1, Operand2) */ - - Lboolean = (BOOLEAN) (Operand[0]->Integer.Value > - Operand[1]->Integer.Value); - break; - - - case AML_LLESS_OP: /* LLess (Operand1, Operand2) */ - - Lboolean = (BOOLEAN) (Operand[0]->Integer.Value < - Operand[1]->Integer.Value); - break; - - - case AML_LOR_OP: /* LOr (Operand1, Operand2) */ - - Lboolean = (BOOLEAN) (Operand[0]->Integer.Value || - Operand[1]->Integer.Value); - break; - - - case AML_COPY_OP: /* Copy (Source, Target) (ACPI 2.0) */ - - Status = AE_NOT_IMPLEMENTED; - goto Cleanup; - break; - - - default: - - REPORT_ERROR (("AcpiExDyadic2: Unknown dyadic opcode %X\n", WalkState->Opcode)); - Status = AE_AML_BAD_OPCODE; - goto Cleanup; - break; - } - - - /* Set return value to logical TRUE (all ones) or FALSE (zero) */ - - if (Lboolean) - { - RetDesc->Integer.Value = ACPI_INTEGER_MAX; - } - else - { - RetDesc->Integer.Value = 0; - } - - -Cleanup: - - /* Always delete operands */ - - AcpiUtRemoveReference (Operand[0]); - AcpiUtRemoveReference (Operand[1]); - - - /* Delete return object on error */ - - if (ACPI_FAILURE (Status) && - (RetDesc)) - { - AcpiUtRemoveReference (RetDesc); - RetDesc = NULL; - } - - - /* Set the return object and exit */ - - WalkState->ResultObj = RetDesc; - return_ACPI_STATUS (Status); -} - - |