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Diffstat (limited to 'sys/contrib/dev/acpica/uteval.c')
| -rw-r--r-- | sys/contrib/dev/acpica/uteval.c | 880 |
1 files changed, 0 insertions, 880 deletions
diff --git a/sys/contrib/dev/acpica/uteval.c b/sys/contrib/dev/acpica/uteval.c deleted file mode 100644 index 5e16abb..0000000 --- a/sys/contrib/dev/acpica/uteval.c +++ /dev/null @@ -1,880 +0,0 @@ -/****************************************************************************** - * - * Module Name: uteval - Object evaluation - * $Revision: 1.71 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 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 __UTEVAL_C__ - -#include <contrib/dev/acpica/acpi.h> -#include <contrib/dev/acpica/acnamesp.h> -#include <contrib/dev/acpica/acinterp.h> - - -#define _COMPONENT ACPI_UTILITIES - ACPI_MODULE_NAME ("uteval") - -/* Local prototypes */ - -static void -AcpiUtCopyIdString ( - char *Destination, - char *Source, - ACPI_SIZE MaxLength); - -static ACPI_STATUS -AcpiUtTranslateOneCid ( - ACPI_OPERAND_OBJECT *ObjDesc, - ACPI_COMPATIBLE_ID *OneCid); - - -/* - * Strings supported by the _OSI predefined (internal) method. - */ -static const char *AcpiInterfacesSupported[] = -{ - /* Operating System Vendor Strings */ - - "Linux", - "Windows 2000", - "Windows 2001", - "Windows 2001 SP0", - "Windows 2001 SP1", - "Windows 2001 SP2", - "Windows 2001 SP3", - "Windows 2001 SP4", - "Windows 2001.1", - "Windows 2001.1 SP1", /* Added 03/2006 */ - "Windows 2006", /* Added 03/2006 */ - - /* Feature Group Strings */ - - "Extended Address Space Descriptor" - - /* - * All "optional" feature group strings (features that are implemented - * by the host) should be implemented in the host version of - * AcpiOsValidateInterface and should not be added here. - */ -}; - - -/******************************************************************************* - * - * FUNCTION: AcpiUtOsiImplementation - * - * PARAMETERS: WalkState - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Implementation of the _OSI predefined control method - * - ******************************************************************************/ - -ACPI_STATUS -AcpiUtOsiImplementation ( - ACPI_WALK_STATE *WalkState) -{ - ACPI_STATUS Status; - ACPI_OPERAND_OBJECT *StringDesc; - ACPI_OPERAND_OBJECT *ReturnDesc; - ACPI_NATIVE_UINT i; - - - ACPI_FUNCTION_TRACE (UtOsiImplementation); - - - /* Validate the string input argument */ - - StringDesc = WalkState->Arguments[0].Object; - if (!StringDesc || (StringDesc->Common.Type != ACPI_TYPE_STRING)) - { - return_ACPI_STATUS (AE_TYPE); - } - - /* Create a return object */ - - ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER); - if (!ReturnDesc) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - /* Default return value is SUPPORTED */ - - ReturnDesc->Integer.Value = ACPI_UINT32_MAX; - WalkState->ReturnDesc = ReturnDesc; - - /* Compare input string to static table of supported interfaces */ - - for (i = 0; i < ACPI_ARRAY_LENGTH (AcpiInterfacesSupported); i++) - { - if (!ACPI_STRCMP (StringDesc->String.Pointer, AcpiInterfacesSupported[i])) - { - /* The interface is supported */ - - return_ACPI_STATUS (AE_CTRL_TERMINATE); - } - } - - /* - * Did not match the string in the static table, call the host OSL to - * check for a match with one of the optional strings (such as - * "Module Device", "3.0 Thermal Model", etc.) - */ - Status = AcpiOsValidateInterface (StringDesc->String.Pointer); - if (ACPI_SUCCESS (Status)) - { - /* The interface is supported */ - - return_ACPI_STATUS (AE_CTRL_TERMINATE); - } - - /* The interface is not supported */ - - ReturnDesc->Integer.Value = 0; - return_ACPI_STATUS (AE_CTRL_TERMINATE); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtEvaluateObject - * - * PARAMETERS: PrefixNode - Starting node - * Path - Path to object from starting node - * ExpectedReturnTypes - Bitmap of allowed return types - * ReturnDesc - Where a return value is stored - * - * RETURN: Status - * - * DESCRIPTION: Evaluates a namespace object and verifies the type of the - * return object. Common code that simplifies accessing objects - * that have required return objects of fixed types. - * - * NOTE: Internal function, no parameter validation - * - ******************************************************************************/ - -ACPI_STATUS -AcpiUtEvaluateObject ( - ACPI_NAMESPACE_NODE *PrefixNode, - char *Path, - UINT32 ExpectedReturnBtypes, - ACPI_OPERAND_OBJECT **ReturnDesc) -{ - ACPI_EVALUATE_INFO *Info; - ACPI_STATUS Status; - UINT32 ReturnBtype; - - - ACPI_FUNCTION_TRACE (UtEvaluateObject); - - - /* Allocate the evaluation information block */ - - Info = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO)); - if (!Info) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - Info->PrefixNode = PrefixNode; - Info->Pathname = Path; - Info->ParameterType = ACPI_PARAM_ARGS; - - /* Evaluate the object/method */ - - Status = AcpiNsEvaluate (Info); - if (ACPI_FAILURE (Status)) - { - if (Status == AE_NOT_FOUND) - { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s.%s] was not found\n", - AcpiUtGetNodeName (PrefixNode), Path)); - } - else - { - ACPI_ERROR_METHOD ("Method execution failed", - PrefixNode, Path, Status); - } - - goto Cleanup; - } - - /* Did we get a return object? */ - - if (!Info->ReturnObject) - { - if (ExpectedReturnBtypes) - { - ACPI_ERROR_METHOD ("No object was returned from", - PrefixNode, Path, AE_NOT_EXIST); - - Status = AE_NOT_EXIST; - } - - goto Cleanup; - } - - /* Map the return object type to the bitmapped type */ - - switch (ACPI_GET_OBJECT_TYPE (Info->ReturnObject)) - { - case ACPI_TYPE_INTEGER: - ReturnBtype = ACPI_BTYPE_INTEGER; - break; - - case ACPI_TYPE_BUFFER: - ReturnBtype = ACPI_BTYPE_BUFFER; - break; - - case ACPI_TYPE_STRING: - ReturnBtype = ACPI_BTYPE_STRING; - break; - - case ACPI_TYPE_PACKAGE: - ReturnBtype = ACPI_BTYPE_PACKAGE; - break; - - default: - ReturnBtype = 0; - break; - } - - if ((AcpiGbl_EnableInterpreterSlack) && - (!ExpectedReturnBtypes)) - { - /* - * We received a return object, but one was not expected. This can - * happen frequently if the "implicit return" feature is enabled. - * Just delete the return object and return AE_OK. - */ - AcpiUtRemoveReference (Info->ReturnObject); - goto Cleanup; - } - - /* Is the return object one of the expected types? */ - - if (!(ExpectedReturnBtypes & ReturnBtype)) - { - ACPI_ERROR_METHOD ("Return object type is incorrect", - PrefixNode, Path, AE_TYPE); - - ACPI_ERROR ((AE_INFO, - "Type returned from %s was incorrect: %s, expected Btypes: %X", - Path, AcpiUtGetObjectTypeName (Info->ReturnObject), - ExpectedReturnBtypes)); - - /* On error exit, we must delete the return object */ - - AcpiUtRemoveReference (Info->ReturnObject); - Status = AE_TYPE; - goto Cleanup; - } - - /* Object type is OK, return it */ - - *ReturnDesc = Info->ReturnObject; - -Cleanup: - ACPI_FREE (Info); - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtEvaluateNumericObject - * - * PARAMETERS: ObjectName - Object name to be evaluated - * DeviceNode - Node for the device - * Address - Where the value is returned - * - * RETURN: Status - * - * DESCRIPTION: Evaluates a numeric namespace object for a selected device - * and stores result in *Address. - * - * NOTE: Internal function, no parameter validation - * - ******************************************************************************/ - -ACPI_STATUS -AcpiUtEvaluateNumericObject ( - char *ObjectName, - ACPI_NAMESPACE_NODE *DeviceNode, - ACPI_INTEGER *Address) -{ - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (UtEvaluateNumericObject); - - - Status = AcpiUtEvaluateObject (DeviceNode, ObjectName, - ACPI_BTYPE_INTEGER, &ObjDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* Get the returned Integer */ - - *Address = ObjDesc->Integer.Value; - - /* On exit, we must delete the return object */ - - AcpiUtRemoveReference (ObjDesc); - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtCopyIdString - * - * PARAMETERS: Destination - Where to copy the string - * Source - Source string - * MaxLength - Length of the destination buffer - * - * RETURN: None - * - * DESCRIPTION: Copies an ID string for the _HID, _CID, and _UID methods. - * Performs removal of a leading asterisk if present -- workaround - * for a known issue on a bunch of machines. - * - ******************************************************************************/ - -static void -AcpiUtCopyIdString ( - char *Destination, - char *Source, - ACPI_SIZE MaxLength) -{ - - /* - * Workaround for ID strings that have a leading asterisk. This construct - * is not allowed by the ACPI specification (ID strings must be - * alphanumeric), but enough existing machines have this embedded in their - * ID strings that the following code is useful. - */ - if (*Source == '*') - { - Source++; - } - - /* Do the actual copy */ - - ACPI_STRNCPY (Destination, Source, MaxLength); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtExecute_HID - * - * PARAMETERS: DeviceNode - Node for the device - * Hid - Where the HID is returned - * - * RETURN: Status - * - * DESCRIPTION: Executes the _HID control method that returns the hardware - * ID of the device. - * - * NOTE: Internal function, no parameter validation - * - ******************************************************************************/ - -ACPI_STATUS -AcpiUtExecute_HID ( - ACPI_NAMESPACE_NODE *DeviceNode, - ACPI_DEVICE_ID *Hid) -{ - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (UtExecute_HID); - - - Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__HID, - ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &ObjDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_INTEGER) - { - /* Convert the Numeric HID to string */ - - AcpiExEisaIdToString ((UINT32) ObjDesc->Integer.Value, Hid->Value); - } - else - { - /* Copy the String HID from the returned object */ - - AcpiUtCopyIdString (Hid->Value, ObjDesc->String.Pointer, - sizeof (Hid->Value)); - } - - /* On exit, we must delete the return object */ - - AcpiUtRemoveReference (ObjDesc); - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtTranslateOneCid - * - * PARAMETERS: ObjDesc - _CID object, must be integer or string - * OneCid - Where the CID string is returned - * - * RETURN: Status - * - * DESCRIPTION: Return a numeric or string _CID value as a string. - * (Compatible ID) - * - * NOTE: Assumes a maximum _CID string length of - * ACPI_MAX_CID_LENGTH. - * - ******************************************************************************/ - -static ACPI_STATUS -AcpiUtTranslateOneCid ( - ACPI_OPERAND_OBJECT *ObjDesc, - ACPI_COMPATIBLE_ID *OneCid) -{ - - - switch (ACPI_GET_OBJECT_TYPE (ObjDesc)) - { - case ACPI_TYPE_INTEGER: - - /* Convert the Numeric CID to string */ - - AcpiExEisaIdToString ((UINT32) ObjDesc->Integer.Value, OneCid->Value); - return (AE_OK); - - case ACPI_TYPE_STRING: - - if (ObjDesc->String.Length > ACPI_MAX_CID_LENGTH) - { - return (AE_AML_STRING_LIMIT); - } - - /* Copy the String CID from the returned object */ - - AcpiUtCopyIdString (OneCid->Value, ObjDesc->String.Pointer, - ACPI_MAX_CID_LENGTH); - return (AE_OK); - - default: - - return (AE_TYPE); - } -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtExecute_CID - * - * PARAMETERS: DeviceNode - Node for the device - * ReturnCidList - Where the CID list is returned - * - * RETURN: Status - * - * DESCRIPTION: Executes the _CID control method that returns one or more - * compatible hardware IDs for the device. - * - * NOTE: Internal function, no parameter validation - * - ******************************************************************************/ - -ACPI_STATUS -AcpiUtExecute_CID ( - ACPI_NAMESPACE_NODE *DeviceNode, - ACPI_COMPATIBLE_ID_LIST **ReturnCidList) -{ - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_STATUS Status; - UINT32 Count; - UINT32 Size; - ACPI_COMPATIBLE_ID_LIST *CidList; - ACPI_NATIVE_UINT i; - - - ACPI_FUNCTION_TRACE (UtExecute_CID); - - - /* Evaluate the _CID method for this device */ - - Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__CID, - ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_PACKAGE, - &ObjDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* Get the number of _CIDs returned */ - - Count = 1; - if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_PACKAGE) - { - Count = ObjDesc->Package.Count; - } - - /* Allocate a worst-case buffer for the _CIDs */ - - Size = (((Count - 1) * sizeof (ACPI_COMPATIBLE_ID)) + - sizeof (ACPI_COMPATIBLE_ID_LIST)); - - CidList = ACPI_ALLOCATE_ZEROED ((ACPI_SIZE) Size); - if (!CidList) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - /* Init CID list */ - - CidList->Count = Count; - CidList->Size = Size; - - /* - * A _CID can return either a single compatible ID or a package of - * compatible IDs. Each compatible ID can be one of the following: - * 1) Integer (32 bit compressed EISA ID) or - * 2) String (PCI ID format, e.g. "PCI\VEN_vvvv&DEV_dddd&SUBSYS_ssssssss") - */ - - /* The _CID object can be either a single CID or a package (list) of CIDs */ - - if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_PACKAGE) - { - /* Translate each package element */ - - for (i = 0; i < Count; i++) - { - Status = AcpiUtTranslateOneCid (ObjDesc->Package.Elements[i], - &CidList->Id[i]); - if (ACPI_FAILURE (Status)) - { - break; - } - } - } - else - { - /* Only one CID, translate to a string */ - - Status = AcpiUtTranslateOneCid (ObjDesc, CidList->Id); - } - - /* Cleanup on error */ - - if (ACPI_FAILURE (Status)) - { - ACPI_FREE (CidList); - } - else - { - *ReturnCidList = CidList; - } - - /* On exit, we must delete the _CID return object */ - - AcpiUtRemoveReference (ObjDesc); - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtExecute_UID - * - * PARAMETERS: DeviceNode - Node for the device - * Uid - Where the UID is returned - * - * RETURN: Status - * - * DESCRIPTION: Executes the _UID control method that returns the hardware - * ID of the device. - * - * NOTE: Internal function, no parameter validation - * - ******************************************************************************/ - -ACPI_STATUS -AcpiUtExecute_UID ( - ACPI_NAMESPACE_NODE *DeviceNode, - ACPI_DEVICE_ID *Uid) -{ - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (UtExecute_UID); - - - Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__UID, - ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &ObjDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_INTEGER) - { - /* Convert the Numeric UID to string */ - - AcpiExUnsignedIntegerToString (ObjDesc->Integer.Value, Uid->Value); - } - else - { - /* Copy the String UID from the returned object */ - - AcpiUtCopyIdString (Uid->Value, ObjDesc->String.Pointer, - sizeof (Uid->Value)); - } - - /* On exit, we must delete the return object */ - - AcpiUtRemoveReference (ObjDesc); - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtExecute_STA - * - * PARAMETERS: DeviceNode - Node for the device - * Flags - Where the status flags are returned - * - * RETURN: Status - * - * DESCRIPTION: Executes _STA for selected device and stores results in - * *Flags. - * - * NOTE: Internal function, no parameter validation - * - ******************************************************************************/ - -ACPI_STATUS -AcpiUtExecute_STA ( - ACPI_NAMESPACE_NODE *DeviceNode, - UINT32 *Flags) -{ - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (UtExecute_STA); - - - Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__STA, - ACPI_BTYPE_INTEGER, &ObjDesc); - if (ACPI_FAILURE (Status)) - { - if (AE_NOT_FOUND == Status) - { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "_STA on %4.4s was not found, assuming device is present\n", - AcpiUtGetNodeName (DeviceNode))); - - *Flags = ACPI_UINT32_MAX; - Status = AE_OK; - } - - return_ACPI_STATUS (Status); - } - - /* Extract the status flags */ - - *Flags = (UINT32) ObjDesc->Integer.Value; - - /* On exit, we must delete the return object */ - - AcpiUtRemoveReference (ObjDesc); - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiUtExecute_Sxds - * - * PARAMETERS: DeviceNode - Node for the device - * Flags - Where the status flags are returned - * - * RETURN: Status - * - * DESCRIPTION: Executes _STA for selected device and stores results in - * *Flags. - * - * NOTE: Internal function, no parameter validation - * - ******************************************************************************/ - -ACPI_STATUS -AcpiUtExecute_Sxds ( - ACPI_NAMESPACE_NODE *DeviceNode, - UINT8 *Highest) -{ - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_STATUS Status; - UINT32 i; - - - ACPI_FUNCTION_TRACE (UtExecute_Sxds); - - - for (i = 0; i < 4; i++) - { - Highest[i] = 0xFF; - Status = AcpiUtEvaluateObject (DeviceNode, - ACPI_CAST_PTR (char, AcpiGbl_HighestDstateNames[i]), - ACPI_BTYPE_INTEGER, &ObjDesc); - if (ACPI_FAILURE (Status)) - { - if (Status != AE_NOT_FOUND) - { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "%s on Device %4.4s, %s\n", - ACPI_CAST_PTR (char, AcpiGbl_HighestDstateNames[i]), - AcpiUtGetNodeName (DeviceNode), - AcpiFormatException (Status))); - - return_ACPI_STATUS (Status); - } - } - else - { - /* Extract the Dstate value */ - - Highest[i] = (UINT8) ObjDesc->Integer.Value; - - /* Delete the return object */ - - AcpiUtRemoveReference (ObjDesc); - } - } - - return_ACPI_STATUS (AE_OK); -} |
