diff options
Diffstat (limited to 'sys/contrib/dev/acpica/exoparg2.c')
| -rw-r--r-- | sys/contrib/dev/acpica/exoparg2.c | 691 |
1 files changed, 691 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/exoparg2.c b/sys/contrib/dev/acpica/exoparg2.c new file mode 100644 index 0000000..32c7968 --- /dev/null +++ b/sys/contrib/dev/acpica/exoparg2.c @@ -0,0 +1,691 @@ +/****************************************************************************** + * + * Module Name: exoparg2 - AML execution - opcodes with 2 arguments + * $Revision: 97 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 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 __EXOPARG2_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 ("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; + + + 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]; + + /* The node must refer to a device or thermal zone */ + + if (Node && Operand[1]) /* TBD: is this check necessary? */ + { + 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 (("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; + + + 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: + + REPORT_ERROR (("AcpiExOpcode_2A_2T_1R: Unknown opcode %X\n", + WalkState->Opcode)); + Status = AE_AML_BAD_OPCODE; + goto Cleanup; + break; + } + + + /* 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; + UINT32 Index; + ACPI_STATUS Status = AE_OK; + + + 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 (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], &ReturnDesc, WalkState); + break; + + + case AML_TO_STRING_OP: /* ToString (Buffer, Length, Result) (ACPI 2.0) */ + + Status = AcpiExConvertToString (Operand[0], &ReturnDesc, 16, + (UINT32) Operand[1]->Integer.Value, WalkState); + break; + + + case AML_CONCAT_RES_OP: /* ConcatenateResTemplate (Buffer, Buffer, Result) (ACPI 2.0) */ + + Status = AE_NOT_IMPLEMENTED; + break; + + + case AML_INDEX_OP: /* Index (Source Index Result) */ + + /* Create the internal return object */ + + ReturnDesc = AcpiUtCreateInternalObject (INTERNAL_TYPE_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 (Operand[0]->Common.Type == ACPI_TYPE_PACKAGE) + { + /* Object to be indexed is a Package */ + + if (Index >= Operand[0]->Package.Count) + { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Index value beyond package end\n")); + Status = AE_AML_PACKAGE_LIMIT; + goto Cleanup; + } + + if ((Operand[2]->Common.Type == INTERNAL_TYPE_REFERENCE) && + (Operand[2]->Reference.Opcode == AML_ZERO_OP)) + { + /* + * There is no actual result descriptor (the ZeroOp Result + * descriptor is a placeholder), so just delete the placeholder and + * return a reference to the package element + */ + AcpiUtRemoveReference (Operand[2]); + } + + else + { + /* + * Each element of the package is an internal object. Get the one + * we are after. + */ + TempDesc = Operand[0]->Package.Elements [Index]; + ReturnDesc->Reference.Opcode = AML_INDEX_OP; + ReturnDesc->Reference.TargetType = TempDesc->Common.Type; + ReturnDesc->Reference.Object = TempDesc; + + Status = AcpiExStore (ReturnDesc, Operand[2], WalkState); + ReturnDesc->Reference.Object = NULL; + } + + /* + * The local return object must always be a reference to the package element, + * not the element itself. + */ + ReturnDesc->Reference.Opcode = AML_INDEX_OP; + ReturnDesc->Reference.TargetType = ACPI_TYPE_PACKAGE; + 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 beyond end of buffer\n")); + Status = AE_AML_BUFFER_LIMIT; + goto Cleanup; + } + + ReturnDesc->Reference.Opcode = AML_INDEX_OP; + ReturnDesc->Reference.TargetType = ACPI_TYPE_BUFFER_FIELD; + ReturnDesc->Reference.Object = Operand[0]; + ReturnDesc->Reference.Offset = Index; + + Status = AcpiExStore (ReturnDesc, Operand[2], WalkState); + } + + WalkState->ResultObj = ReturnDesc; + goto Cleanup; + break; + + + default: + + 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; + } + + 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; + + + 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: + + REPORT_ERROR (("AcpiExOpcode_2A_0T_1R: Unknown opcode %X\n", WalkState->Opcode)); + Status = AE_AML_BAD_OPCODE; + goto Cleanup; + break; + } + + +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); +} + + |
