diff options
Diffstat (limited to 'sys/contrib/dev/acpica/exoparg2.c')
| -rw-r--r-- | sys/contrib/dev/acpica/exoparg2.c | 741 |
1 files changed, 741 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..f7f05e4 --- /dev/null +++ b/sys/contrib/dev/acpica/exoparg2.c @@ -0,0 +1,741 @@ +/****************************************************************************** + * + * Module Name: exoparg2 - AML execution - opcodes with 2 arguments + * $Revision: 1.143 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2007, 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 <contrib/dev/acpica/acpi.h> +#include <contrib/dev/acpica/acparser.h> +#include <contrib/dev/acpica/acinterp.h> +#include <contrib/dev/acpica/acevents.h> +#include <contrib/dev/acpica/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; + UINT32 Value; + 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]; + + /* Second value is the notify value */ + + Value = (UINT32) Operand[1]->Integer.Value; + + /* Are notifies allowed on this object? */ + + if (!AcpiEvIsNotifyObject (Node)) + { + ACPI_ERROR ((AE_INFO, + "Unexpected notify object type [%s]", + AcpiUtGetTypeName (Node->Type))); + + Status = AE_AML_OPERAND_TYPE; + break; + } + +#ifdef ACPI_GPE_NOTIFY_CHECK + /* + * GPE method wake/notify check. Here, we want to ensure that we + * don't receive any "DeviceWake" Notifies from a GPE _Lxx or _Exx + * GPE method during system runtime. If we do, the GPE is marked + * as "wake-only" and disabled. + * + * 1) Is the Notify() value == DeviceWake? + * 2) Is this a GPE deferred method? (An _Lxx or _Exx method) + * 3) Did the original GPE happen at system runtime? + * (versus during wake) + * + * If all three cases are true, this is a wake-only GPE that should + * be disabled at runtime. + */ + if (Value == 2) /* DeviceWake */ + { + Status = AcpiEvCheckForWakeOnlyGpe (WalkState->GpeEventInfo); + if (ACPI_FAILURE (Status)) + { + /* AE_WAKE_ONLY_GPE only error, means ignore this notify */ + + return_ACPI_STATUS (AE_OK) + } + } +#endif + + /* + * 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, Value); + break; + + + default: + + ACPI_ERROR ((AE_INFO, "Unknown AML opcode %X", + 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_ERROR ((AE_INFO, "Unknown AML opcode %X", + 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; + } + +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); + } + + /* Save return object (the remainder) on success */ + + else + { + WalkState->ResultObj = 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_INTEGER 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) */ + + Status = AcpiExDoConcatenate (Operand[0], Operand[1], + &ReturnDesc, WalkState); + 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. It is the smallest of: + * 1) Length of the input buffer + * 2) Max length as specified in the ToString operator + * 3) Length of input buffer up to a zero byte (null terminator) + * + * NOTE: A length of zero is ok, and will create a zero-length, null + * terminated string. + */ + Length = 0; + while ((Length < Operand[0]->Buffer.Length) && + (Length < Operand[1]->Integer.Value) && + (Operand[0]->Buffer.Pointer[Length])) + { + Length++; + } + + /* Allocate a new string object */ + + ReturnDesc = AcpiUtCreateStringObject (Length); + if (!ReturnDesc) + { + Status = AE_NO_MEMORY; + goto Cleanup; + } + + /* + * Copy the raw buffer data with no transform. + * (NULL terminated already) + */ + ACPI_MEMCPY (ReturnDesc->String.Pointer, + Operand[0]->Buffer.Pointer, 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; + } + + /* Initialize the Index reference object */ + + Index = Operand[1]->Integer.Value; + ReturnDesc->Reference.Offset = (UINT32) Index; + ReturnDesc->Reference.Opcode = AML_INDEX_OP; + + /* + * At this point, the Source operand is a String, Buffer, or Package. + * Verify that the index is within range. + */ + switch (ACPI_GET_OBJECT_TYPE (Operand[0])) + { + case ACPI_TYPE_STRING: + + if (Index >= Operand[0]->String.Length) + { + Status = AE_AML_STRING_LIMIT; + } + + ReturnDesc->Reference.TargetType = ACPI_TYPE_BUFFER_FIELD; + break; + + case ACPI_TYPE_BUFFER: + + if (Index >= Operand[0]->Buffer.Length) + { + Status = AE_AML_BUFFER_LIMIT; + } + + ReturnDesc->Reference.TargetType = ACPI_TYPE_BUFFER_FIELD; + break; + + case ACPI_TYPE_PACKAGE: + + if (Index >= Operand[0]->Package.Count) + { + Status = AE_AML_PACKAGE_LIMIT; + } + + ReturnDesc->Reference.TargetType = ACPI_TYPE_PACKAGE; + ReturnDesc->Reference.Where = &Operand[0]->Package.Elements [Index]; + break; + + default: + + Status = AE_AML_INTERNAL; + goto Cleanup; + } + + /* Failure means that the Index was beyond the end of the object */ + + if (ACPI_FAILURE (Status)) + { + ACPI_EXCEPTION ((AE_INFO, Status, + "Index (%X%8.8X) is beyond end of object", + ACPI_FORMAT_UINT64 (Index))); + goto Cleanup; + } + + /* + * Save the target object and add a reference to it for the life + * of the index + */ + ReturnDesc->Reference.Object = Operand[0]; + AcpiUtAddReference (Operand[0]); + + /* Store the reference to the Target */ + + Status = AcpiExStore (ReturnDesc, Operand[2], WalkState); + + /* Return the reference */ + + WalkState->ResultObj = ReturnDesc; + goto Cleanup; + + + default: + + ACPI_ERROR ((AE_INFO, "Unknown AML opcode %X", + 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); + WalkState->ResultObj = NULL; + } + + 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_NUMERIC) + { + /* LogicalOp (Operand0, Operand1) */ + + Status = AcpiExDoLogicalNumericOp (WalkState->Opcode, + Operand[0]->Integer.Value, Operand[1]->Integer.Value, + &LogicalResult); + goto StoreLogicalResult; + } + else if (WalkState->OpInfo->Flags & AML_LOGICAL) + { + /* LogicalOp (Operand0, Operand1) */ + + Status = AcpiExDoLogicalOp (WalkState->Opcode, Operand[0], + Operand[1], &LogicalResult); + 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_ERROR ((AE_INFO, "Unknown AML opcode %X", + 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; + } + +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); +} + + |
