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Diffstat (limited to 'sys/contrib/dev/acpica/rsutils.c')
| -rw-r--r-- | sys/contrib/dev/acpica/rsutils.c | 875 |
1 files changed, 0 insertions, 875 deletions
diff --git a/sys/contrib/dev/acpica/rsutils.c b/sys/contrib/dev/acpica/rsutils.c deleted file mode 100644 index 369eb86..0000000 --- a/sys/contrib/dev/acpica/rsutils.c +++ /dev/null @@ -1,875 +0,0 @@ -/******************************************************************************* - * - * Module Name: rsutils - Utilities for the resource manager - * $Revision: 1.67 $ - * - ******************************************************************************/ - -/****************************************************************************** - * - * 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 __RSUTILS_C__ - -#include <contrib/dev/acpica/acpi.h> -#include <contrib/dev/acpica/acnamesp.h> -#include <contrib/dev/acpica/acresrc.h> - - -#define _COMPONENT ACPI_RESOURCES - ACPI_MODULE_NAME ("rsutils") - - -/******************************************************************************* - * - * FUNCTION: AcpiRsDecodeBitmask - * - * PARAMETERS: Mask - Bitmask to decode - * List - Where the converted list is returned - * - * RETURN: Count of bits set (length of list) - * - * DESCRIPTION: Convert a bit mask into a list of values - * - ******************************************************************************/ - -UINT8 -AcpiRsDecodeBitmask ( - UINT16 Mask, - UINT8 *List) -{ - ACPI_NATIVE_UINT i; - UINT8 BitCount; - - - ACPI_FUNCTION_ENTRY (); - - - /* Decode the mask bits */ - - for (i = 0, BitCount = 0; Mask; i++) - { - if (Mask & 0x0001) - { - List[BitCount] = (UINT8) i; - BitCount++; - } - - Mask >>= 1; - } - - return (BitCount); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsEncodeBitmask - * - * PARAMETERS: List - List of values to encode - * Count - Length of list - * - * RETURN: Encoded bitmask - * - * DESCRIPTION: Convert a list of values to an encoded bitmask - * - ******************************************************************************/ - -UINT16 -AcpiRsEncodeBitmask ( - UINT8 *List, - UINT8 Count) -{ - ACPI_NATIVE_UINT i; - UINT16 Mask; - - - ACPI_FUNCTION_ENTRY (); - - - /* Encode the list into a single bitmask */ - - for (i = 0, Mask = 0; i < Count; i++) - { - Mask |= (0x0001 << List[i]); - } - - return (Mask); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsMoveData - * - * PARAMETERS: Destination - Pointer to the destination descriptor - * Source - Pointer to the source descriptor - * ItemCount - How many items to move - * MoveType - Byte width - * - * RETURN: None - * - * DESCRIPTION: Move multiple data items from one descriptor to another. Handles - * alignment issues and endian issues if necessary, as configured - * via the ACPI_MOVE_* macros. (This is why a memcpy is not used) - * - ******************************************************************************/ - -void -AcpiRsMoveData ( - void *Destination, - void *Source, - UINT16 ItemCount, - UINT8 MoveType) -{ - ACPI_NATIVE_UINT i; - - - ACPI_FUNCTION_ENTRY (); - - - /* One move per item */ - - for (i = 0; i < ItemCount; i++) - { - switch (MoveType) - { - /* - * For the 8-bit case, we can perform the move all at once - * since there are no alignment or endian issues - */ - case ACPI_RSC_MOVE8: - ACPI_MEMCPY (Destination, Source, ItemCount); - return; - - /* - * 16-, 32-, and 64-bit cases must use the move macros that perform - * endian conversion and/or accomodate hardware that cannot perform - * misaligned memory transfers - */ - case ACPI_RSC_MOVE16: - ACPI_MOVE_16_TO_16 (&ACPI_CAST_PTR (UINT16, Destination)[i], - &ACPI_CAST_PTR (UINT16, Source)[i]); - break; - - case ACPI_RSC_MOVE32: - ACPI_MOVE_32_TO_32 (&ACPI_CAST_PTR (UINT32, Destination)[i], - &ACPI_CAST_PTR (UINT32, Source)[i]); - break; - - case ACPI_RSC_MOVE64: - ACPI_MOVE_64_TO_64 (&ACPI_CAST_PTR (UINT64, Destination)[i], - &ACPI_CAST_PTR (UINT64, Source)[i]); - break; - - default: - return; - } - } -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsSetResourceLength - * - * PARAMETERS: TotalLength - Length of the AML descriptor, including - * the header and length fields. - * Aml - Pointer to the raw AML descriptor - * - * RETURN: None - * - * DESCRIPTION: Set the ResourceLength field of an AML - * resource descriptor, both Large and Small descriptors are - * supported automatically. Note: Descriptor Type field must - * be valid. - * - ******************************************************************************/ - -void -AcpiRsSetResourceLength ( - ACPI_RSDESC_SIZE TotalLength, - AML_RESOURCE *Aml) -{ - ACPI_RS_LENGTH ResourceLength; - - - ACPI_FUNCTION_ENTRY (); - - - /* Length is the total descriptor length minus the header length */ - - ResourceLength = (ACPI_RS_LENGTH) - (TotalLength - AcpiUtGetResourceHeaderLength (Aml)); - - /* Length is stored differently for large and small descriptors */ - - if (Aml->SmallHeader.DescriptorType & ACPI_RESOURCE_NAME_LARGE) - { - /* Large descriptor -- bytes 1-2 contain the 16-bit length */ - - ACPI_MOVE_16_TO_16 (&Aml->LargeHeader.ResourceLength, &ResourceLength); - } - else - { - /* Small descriptor -- bits 2:0 of byte 0 contain the length */ - - Aml->SmallHeader.DescriptorType = (UINT8) - - /* Clear any existing length, preserving descriptor type bits */ - - ((Aml->SmallHeader.DescriptorType & ~ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK) - - | ResourceLength); - } -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsSetResourceHeader - * - * PARAMETERS: DescriptorType - Byte to be inserted as the type - * TotalLength - Length of the AML descriptor, including - * the header and length fields. - * Aml - Pointer to the raw AML descriptor - * - * RETURN: None - * - * DESCRIPTION: Set the DescriptorType and ResourceLength fields of an AML - * resource descriptor, both Large and Small descriptors are - * supported automatically - * - ******************************************************************************/ - -void -AcpiRsSetResourceHeader ( - UINT8 DescriptorType, - ACPI_RSDESC_SIZE TotalLength, - AML_RESOURCE *Aml) -{ - ACPI_FUNCTION_ENTRY (); - - - /* Set the Resource Type */ - - Aml->SmallHeader.DescriptorType = DescriptorType; - - /* Set the Resource Length */ - - AcpiRsSetResourceLength (TotalLength, Aml); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsStrcpy - * - * PARAMETERS: Destination - Pointer to the destination string - * Source - Pointer to the source string - * - * RETURN: String length, including NULL terminator - * - * DESCRIPTION: Local string copy that returns the string length, saving a - * strcpy followed by a strlen. - * - ******************************************************************************/ - -static UINT16 -AcpiRsStrcpy ( - char *Destination, - char *Source) -{ - UINT16 i; - - - ACPI_FUNCTION_ENTRY (); - - - for (i = 0; Source[i]; i++) - { - Destination[i] = Source[i]; - } - - Destination[i] = 0; - - /* Return string length including the NULL terminator */ - - return ((UINT16) (i + 1)); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsGetResourceSource - * - * PARAMETERS: ResourceLength - Length field of the descriptor - * MinimumLength - Minimum length of the descriptor (minus - * any optional fields) - * ResourceSource - Where the ResourceSource is returned - * Aml - Pointer to the raw AML descriptor - * StringPtr - (optional) where to store the actual - * ResourceSource string - * - * RETURN: Length of the string plus NULL terminator, rounded up to native - * word boundary - * - * DESCRIPTION: Copy the optional ResourceSource data from a raw AML descriptor - * to an internal resource descriptor - * - ******************************************************************************/ - -ACPI_RS_LENGTH -AcpiRsGetResourceSource ( - ACPI_RS_LENGTH ResourceLength, - ACPI_RS_LENGTH MinimumLength, - ACPI_RESOURCE_SOURCE *ResourceSource, - AML_RESOURCE *Aml, - char *StringPtr) -{ - ACPI_RSDESC_SIZE TotalLength; - UINT8 *AmlResourceSource; - - - ACPI_FUNCTION_ENTRY (); - - - TotalLength = ResourceLength + sizeof (AML_RESOURCE_LARGE_HEADER); - AmlResourceSource = ACPI_ADD_PTR (UINT8, Aml, MinimumLength); - - /* - * ResourceSource is present if the length of the descriptor is longer than - * the minimum length. - * - * Note: Some resource descriptors will have an additional null, so - * we add 1 to the minimum length. - */ - if (TotalLength > (ACPI_RSDESC_SIZE) (MinimumLength + 1)) - { - /* Get the ResourceSourceIndex */ - - ResourceSource->Index = AmlResourceSource[0]; - - ResourceSource->StringPtr = StringPtr; - if (!StringPtr) - { - /* - * String destination pointer is not specified; Set the String - * pointer to the end of the current ResourceSource structure. - */ - ResourceSource->StringPtr = ACPI_ADD_PTR (char, ResourceSource, - sizeof (ACPI_RESOURCE_SOURCE)); - } - - /* - * In order for the Resource length to be a multiple of the native - * word, calculate the length of the string (+1 for NULL terminator) - * and expand to the next word multiple. - * - * Zero the entire area of the buffer. - */ - TotalLength = (UINT32) ACPI_STRLEN ( - ACPI_CAST_PTR (char, &AmlResourceSource[1])) + 1; - TotalLength = (UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (TotalLength); - - ACPI_MEMSET (ResourceSource->StringPtr, 0, TotalLength); - - /* Copy the ResourceSource string to the destination */ - - ResourceSource->StringLength = AcpiRsStrcpy (ResourceSource->StringPtr, - ACPI_CAST_PTR (char, &AmlResourceSource[1])); - - return ((ACPI_RS_LENGTH) TotalLength); - } - - /* ResourceSource is not present */ - - ResourceSource->Index = 0; - ResourceSource->StringLength = 0; - ResourceSource->StringPtr = NULL; - return (0); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsSetResourceSource - * - * PARAMETERS: Aml - Pointer to the raw AML descriptor - * MinimumLength - Minimum length of the descriptor (minus - * any optional fields) - * ResourceSource - Internal ResourceSource - - * - * RETURN: Total length of the AML descriptor - * - * DESCRIPTION: Convert an optional ResourceSource from internal format to a - * raw AML resource descriptor - * - ******************************************************************************/ - -ACPI_RSDESC_SIZE -AcpiRsSetResourceSource ( - AML_RESOURCE *Aml, - ACPI_RS_LENGTH MinimumLength, - ACPI_RESOURCE_SOURCE *ResourceSource) -{ - UINT8 *AmlResourceSource; - ACPI_RSDESC_SIZE DescriptorLength; - - - ACPI_FUNCTION_ENTRY (); - - - DescriptorLength = MinimumLength; - - /* Non-zero string length indicates presence of a ResourceSource */ - - if (ResourceSource->StringLength) - { - /* Point to the end of the AML descriptor */ - - AmlResourceSource = ACPI_ADD_PTR (UINT8, Aml, MinimumLength); - - /* Copy the ResourceSourceIndex */ - - AmlResourceSource[0] = (UINT8) ResourceSource->Index; - - /* Copy the ResourceSource string */ - - ACPI_STRCPY (ACPI_CAST_PTR (char, &AmlResourceSource[1]), - ResourceSource->StringPtr); - - /* - * Add the length of the string (+ 1 for null terminator) to the - * final descriptor length - */ - DescriptorLength += ((ACPI_RSDESC_SIZE) ResourceSource->StringLength + 1); - } - - /* Return the new total length of the AML descriptor */ - - return (DescriptorLength); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsGetPrtMethodData - * - * PARAMETERS: Node - Device node - * RetBuffer - Pointer to a buffer structure for the - * results - * - * RETURN: Status - * - * DESCRIPTION: This function is called to get the _PRT value of an object - * contained in an object specified by the handle passed in - * - * If the function fails an appropriate status will be returned - * and the contents of the callers buffer is undefined. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiRsGetPrtMethodData ( - ACPI_NAMESPACE_NODE *Node, - ACPI_BUFFER *RetBuffer) -{ - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (RsGetPrtMethodData); - - - /* Parameters guaranteed valid by caller */ - - /* Execute the method, no parameters */ - - Status = AcpiUtEvaluateObject (Node, METHOD_NAME__PRT, - ACPI_BTYPE_PACKAGE, &ObjDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* - * Create a resource linked list from the byte stream buffer that comes - * back from the _CRS method execution. - */ - Status = AcpiRsCreatePciRoutingTable (ObjDesc, RetBuffer); - - /* On exit, we must delete the object returned by EvaluateObject */ - - AcpiUtRemoveReference (ObjDesc); - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsGetCrsMethodData - * - * PARAMETERS: Node - Device node - * RetBuffer - Pointer to a buffer structure for the - * results - * - * RETURN: Status - * - * DESCRIPTION: This function is called to get the _CRS value of an object - * contained in an object specified by the handle passed in - * - * If the function fails an appropriate status will be returned - * and the contents of the callers buffer is undefined. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiRsGetCrsMethodData ( - ACPI_NAMESPACE_NODE *Node, - ACPI_BUFFER *RetBuffer) -{ - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (RsGetCrsMethodData); - - - /* Parameters guaranteed valid by caller */ - - /* Execute the method, no parameters */ - - Status = AcpiUtEvaluateObject (Node, METHOD_NAME__CRS, - ACPI_BTYPE_BUFFER, &ObjDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* - * Make the call to create a resource linked list from the - * byte stream buffer that comes back from the _CRS method - * execution. - */ - Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer); - - /* On exit, we must delete the object returned by evaluateObject */ - - AcpiUtRemoveReference (ObjDesc); - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsGetPrsMethodData - * - * PARAMETERS: Node - Device node - * RetBuffer - Pointer to a buffer structure for the - * results - * - * RETURN: Status - * - * DESCRIPTION: This function is called to get the _PRS value of an object - * contained in an object specified by the handle passed in - * - * If the function fails an appropriate status will be returned - * and the contents of the callers buffer is undefined. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiRsGetPrsMethodData ( - ACPI_NAMESPACE_NODE *Node, - ACPI_BUFFER *RetBuffer) -{ - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (RsGetPrsMethodData); - - - /* Parameters guaranteed valid by caller */ - - /* Execute the method, no parameters */ - - Status = AcpiUtEvaluateObject (Node, METHOD_NAME__PRS, - ACPI_BTYPE_BUFFER, &ObjDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* - * Make the call to create a resource linked list from the - * byte stream buffer that comes back from the _CRS method - * execution. - */ - Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer); - - /* On exit, we must delete the object returned by evaluateObject */ - - AcpiUtRemoveReference (ObjDesc); - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsGetMethodData - * - * PARAMETERS: Handle - Handle to the containing object - * Path - Path to method, relative to Handle - * RetBuffer - Pointer to a buffer structure for the - * results - * - * RETURN: Status - * - * DESCRIPTION: This function is called to get the _CRS or _PRS value of an - * object contained in an object specified by the handle passed in - * - * If the function fails an appropriate status will be returned - * and the contents of the callers buffer is undefined. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiRsGetMethodData ( - ACPI_HANDLE Handle, - char *Path, - ACPI_BUFFER *RetBuffer) -{ - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (RsGetMethodData); - - - /* Parameters guaranteed valid by caller */ - - /* Execute the method, no parameters */ - - Status = AcpiUtEvaluateObject (Handle, Path, ACPI_BTYPE_BUFFER, &ObjDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* - * Make the call to create a resource linked list from the - * byte stream buffer that comes back from the method - * execution. - */ - Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer); - - /* On exit, we must delete the object returned by EvaluateObject */ - - AcpiUtRemoveReference (ObjDesc); - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsSetSrsMethodData - * - * PARAMETERS: Node - Device node - * InBuffer - Pointer to a buffer structure of the - * parameter - * - * RETURN: Status - * - * DESCRIPTION: This function is called to set the _SRS of an object contained - * in an object specified by the handle passed in - * - * If the function fails an appropriate status will be returned - * and the contents of the callers buffer is undefined. - * - * Note: Parameters guaranteed valid by caller - * - ******************************************************************************/ - -ACPI_STATUS -AcpiRsSetSrsMethodData ( - ACPI_NAMESPACE_NODE *Node, - ACPI_BUFFER *InBuffer) -{ - ACPI_EVALUATE_INFO *Info; - ACPI_OPERAND_OBJECT *Args[2]; - ACPI_STATUS Status; - ACPI_BUFFER Buffer; - - - ACPI_FUNCTION_TRACE (RsSetSrsMethodData); - - - /* Allocate and initialize the evaluation information block */ - - Info = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO)); - if (!Info) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - Info->PrefixNode = Node; - Info->Pathname = METHOD_NAME__SRS; - Info->Parameters = Args; - Info->ParameterType = ACPI_PARAM_ARGS; - Info->Flags = ACPI_IGNORE_RETURN_VALUE; - - /* - * The InBuffer parameter will point to a linked list of - * resource parameters. It needs to be formatted into a - * byte stream to be sent in as an input parameter to _SRS - * - * Convert the linked list into a byte stream - */ - Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER; - Status = AcpiRsCreateAmlResources (InBuffer->Pointer, &Buffer); - if (ACPI_FAILURE (Status)) - { - goto Cleanup; - } - - /* Create and initialize the method parameter object */ - - Args[0] = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER); - if (!Args[0]) - { - /* - * Must free the buffer allocated above (otherwise it is freed - * later) - */ - ACPI_FREE (Buffer.Pointer); - Status = AE_NO_MEMORY; - goto Cleanup; - } - - Args[0]->Buffer.Length = (UINT32) Buffer.Length; - Args[0]->Buffer.Pointer = Buffer.Pointer; - Args[0]->Common.Flags = AOPOBJ_DATA_VALID; - Args[1] = NULL; - - /* Execute the method, no return value is expected */ - - Status = AcpiNsEvaluate (Info); - - /* Clean up and return the status from AcpiNsEvaluate */ - - AcpiUtRemoveReference (Args[0]); - -Cleanup: - ACPI_FREE (Info); - return_ACPI_STATUS (Status); -} - |
