748be15501
is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
714 lines
24 KiB
C
714 lines
24 KiB
C
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/******************************************************************************
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*
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* Module Name: amstoren - AML Interpreter object store support,
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* Store to Node (namespace object)
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* $Revision: 22 $
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999, Intel Corp. All rights
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* reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#define __AMSTOREN_C__
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#include "acpi.h"
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#include "acparser.h"
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#include "acdispat.h"
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#include "acinterp.h"
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#include "amlcode.h"
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#include "acnamesp.h"
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#include "actables.h"
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#define _COMPONENT INTERPRETER
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MODULE_NAME ("amstoren")
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/*******************************************************************************
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*
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* FUNCTION: AcpiAmlStoreObjectToNode
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*
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* PARAMETERS: *ValDesc - Value to be stored
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* *Node - Named object to recieve the value
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*
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* RETURN: Status
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*
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* DESCRIPTION: Store the object to the named object.
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*
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* The Assignment of an object to a named object is handled here
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* The val passed in will replace the current value (if any)
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* with the input value.
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*
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* When storing into an object the data is converted to the
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* target object type then stored in the object. This means
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* that the target object type (for an initialized target) will
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* not be changed by a store operation.
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*
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* NOTE: the global lock is acquired early. This will result
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* in the global lock being held a bit longer. Also, if the
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* function fails during set up we may get the lock when we
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* don't really need it. I don't think we care.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiAmlStoreObjectToNode (
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ACPI_OPERAND_OBJECT *ValDesc,
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ACPI_NAMESPACE_NODE *Node,
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ACPI_WALK_STATE *WalkState)
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{
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ACPI_STATUS Status = AE_OK;
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UINT8 *Buffer = NULL;
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UINT32 Length = 0;
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UINT32 Mask;
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UINT32 NewValue;
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BOOLEAN Locked = FALSE;
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UINT8 *Location=NULL;
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ACPI_OPERAND_OBJECT *DestDesc;
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OBJECT_TYPE_INTERNAL DestinationType = ACPI_TYPE_ANY;
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FUNCTION_TRACE ("AmlStoreObjectToNte");
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DEBUG_PRINT (ACPI_INFO,
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("entered AcpiAmlStoreObjectToNode: NamedObj=%p, Obj=%p\n",
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Node, ValDesc));
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/*
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* Assuming the parameters are valid!!!
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*/
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ACPI_ASSERT((Node) && (ValDesc));
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DestinationType = AcpiNsGetType (Node);
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DEBUG_PRINT (ACPI_INFO, ("AmlStoreObjectToNte: Storing %s into %s\n",
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AcpiCmGetTypeName (ValDesc->Common.Type),
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AcpiCmGetTypeName (DestinationType)));
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/*
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* First ensure we have a value that can be stored in the target
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*/
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switch (DestinationType)
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{
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/* Type of Name's existing value */
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case INTERNAL_TYPE_ALIAS:
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/*
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* Aliases are resolved by AcpiAmlPrepOperands
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*/
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DEBUG_PRINT (ACPI_WARN,
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("AmlStoreObjectToNte: Store into Alias - should never happen\n"));
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Status = AE_AML_INTERNAL;
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break;
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case INTERNAL_TYPE_BANK_FIELD:
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case INTERNAL_TYPE_INDEX_FIELD:
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case ACPI_TYPE_FIELD_UNIT:
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case ACPI_TYPE_NUMBER:
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/*
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* These cases all require only number values or values that
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* can be converted to numbers.
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*
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* If value is not a Number, try to resolve it to one.
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*/
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if (ValDesc->Common.Type != ACPI_TYPE_NUMBER)
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{
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/*
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* Initially not a number, convert
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*/
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Status = AcpiAmlResolveToValue (&ValDesc, WalkState);
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if (ACPI_SUCCESS (Status) &&
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(ValDesc->Common.Type != ACPI_TYPE_NUMBER))
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{
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/*
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* Conversion successful but still not a number
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*/
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DEBUG_PRINT (ACPI_ERROR,
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("AmlStoreObjectToNte: Value assigned to %s must be Number, not %s\n",
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AcpiCmGetTypeName (DestinationType),
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AcpiCmGetTypeName (ValDesc->Common.Type)));
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Status = AE_AML_OPERAND_TYPE;
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}
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}
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break;
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case ACPI_TYPE_STRING:
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case ACPI_TYPE_BUFFER:
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case INTERNAL_TYPE_DEF_FIELD:
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/*
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* Storing into a Field in a region or into a buffer or into
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* a string all is essentially the same.
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*
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* If value is not a valid type, try to resolve it to one.
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*/
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if ((ValDesc->Common.Type != ACPI_TYPE_NUMBER) &&
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(ValDesc->Common.Type != ACPI_TYPE_BUFFER) &&
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(ValDesc->Common.Type != ACPI_TYPE_STRING))
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{
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/*
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* Initially not a valid type, convert
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*/
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Status = AcpiAmlResolveToValue (&ValDesc, WalkState);
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if (ACPI_SUCCESS (Status) &&
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(ValDesc->Common.Type != ACPI_TYPE_NUMBER) &&
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(ValDesc->Common.Type != ACPI_TYPE_BUFFER) &&
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(ValDesc->Common.Type != ACPI_TYPE_STRING))
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{
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/*
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* Conversion successful but still not a valid type
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*/
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DEBUG_PRINT (ACPI_ERROR,
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("AmlStoreObjectToNte: Assign wrong type %s to %s (must be type Num/Str/Buf)\n",
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AcpiCmGetTypeName (ValDesc->Common.Type),
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AcpiCmGetTypeName (DestinationType)));
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Status = AE_AML_OPERAND_TYPE;
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}
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}
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break;
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case ACPI_TYPE_PACKAGE:
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/*
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* TBD: [Unhandled] Not real sure what to do here
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*/
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Status = AE_NOT_IMPLEMENTED;
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break;
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default:
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/*
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* All other types than Alias and the various Fields come here.
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* Store ValDesc as the new value of the Name, and set
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* the Name's type to that of the value being stored in it.
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* ValDesc reference count is incremented by AttachObject.
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*/
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Status = AcpiNsAttachObject (Node, ValDesc, ValDesc->Common.Type);
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DEBUG_PRINT (ACPI_INFO,
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("AmlStoreObjectToNte: Store %s into %s via Attach\n",
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AcpiCmGetTypeName (ValDesc->Common.Type),
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AcpiCmGetTypeName (DestinationType)));
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goto CleanUpAndBailOut;
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break;
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}
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/* Exit now if failure above */
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if (ACPI_FAILURE (Status))
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{
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goto CleanUpAndBailOut;
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}
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/*
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* Get descriptor for object attached to Node
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*/
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DestDesc = AcpiNsGetAttachedObject (Node);
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if (!DestDesc)
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{
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/*
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* There is no existing object attached to this Node
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*/
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DEBUG_PRINT (ACPI_ERROR,
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("AmlStoreObjectToNte: Internal error - no destination object for %4.4s type %d\n",
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&Node->Name, DestinationType));
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Status = AE_AML_INTERNAL;
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goto CleanUpAndBailOut;
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}
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/*
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* Make sure the destination Object is the same as the Node
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*/
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if (DestDesc->Common.Type != (UINT8) DestinationType)
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{
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DEBUG_PRINT (ACPI_ERROR,
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("AmlStoreObjectToNte: Internal error - Name %4.4s type %d does not match value-type %d at %p\n",
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&Node->Name, AcpiNsGetType (Node),
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DestDesc->Common.Type, DestDesc));
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Status = AE_AML_INTERNAL;
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goto CleanUpAndBailOut;
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}
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/*
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* AcpiEverything is ready to execute now, We have
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* a value we can handle, just perform the update
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*/
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switch (DestinationType)
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{
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/* Type of Name's existing value */
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case INTERNAL_TYPE_BANK_FIELD:
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/*
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* Get the global lock if needed
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*/
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Locked = AcpiAmlAcquireGlobalLock (DestDesc->BankField.LockRule);
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/*
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* Set Bank value to select proper Bank
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* Perform the update (Set Bank Select)
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*/
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Status = AcpiAmlAccessNamedField (ACPI_WRITE,
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DestDesc->BankField.BankSelect,
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&DestDesc->BankField.Value,
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sizeof (DestDesc->BankField.Value));
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if (ACPI_SUCCESS (Status))
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{
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/* Set bank select successful, set data value */
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Status = AcpiAmlAccessNamedField (ACPI_WRITE,
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DestDesc->BankField.BankSelect,
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&ValDesc->BankField.Value,
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sizeof (ValDesc->BankField.Value));
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}
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break;
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case INTERNAL_TYPE_DEF_FIELD:
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/*
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* Get the global lock if needed
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*/
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Locked = AcpiAmlAcquireGlobalLock (ValDesc->Field.LockRule);
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/*
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* Perform the update
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*/
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switch (ValDesc->Common.Type)
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{
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case ACPI_TYPE_NUMBER:
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Buffer = (UINT8 *) &ValDesc->Number.Value;
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Length = sizeof (ValDesc->Number.Value);
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break;
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case ACPI_TYPE_BUFFER:
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Buffer = (UINT8 *) ValDesc->Buffer.Pointer;
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Length = ValDesc->Buffer.Length;
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break;
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case ACPI_TYPE_STRING:
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Buffer = (UINT8 *) ValDesc->String.Pointer;
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Length = ValDesc->String.Length;
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break;
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}
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Status = AcpiAmlAccessNamedField (ACPI_WRITE,
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Node, Buffer, Length);
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break; /* Global Lock released below */
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case ACPI_TYPE_STRING:
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/*
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* Perform the update
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*/
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switch (ValDesc->Common.Type)
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{
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case ACPI_TYPE_NUMBER:
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Buffer = (UINT8 *) &ValDesc->Number.Value;
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Length = sizeof (ValDesc->Number.Value);
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break;
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case ACPI_TYPE_BUFFER:
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Buffer = (UINT8 *) ValDesc->Buffer.Pointer;
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Length = ValDesc->Buffer.Length;
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break;
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case ACPI_TYPE_STRING:
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Buffer = (UINT8 *) ValDesc->String.Pointer;
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Length = ValDesc->String.Length;
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break;
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}
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/*
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* Setting a string value replaces the old string
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*/
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if (Length < DestDesc->String.Length)
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{
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/*
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* Zero fill, not willing to do pointer arithmetic for
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* archetecture independance. Just clear the whole thing
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*/
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MEMSET(DestDesc->String.Pointer, 0, DestDesc->String.Length);
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MEMCPY(DestDesc->String.Pointer, Buffer, Length);
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}
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else
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{
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/*
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* Free the current buffer, then allocate a buffer
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* large enough to hold the value
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*/
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if ( DestDesc->String.Pointer &&
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!AcpiTbSystemTablePointer (DestDesc->String.Pointer))
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{
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/*
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* Only free if not a pointer into the DSDT
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*/
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AcpiCmFree(DestDesc->String.Pointer);
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}
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DestDesc->String.Pointer = AcpiCmAllocate (Length + 1);
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DestDesc->String.Length = Length;
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if (!DestDesc->String.Pointer)
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{
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Status = AE_NO_MEMORY;
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goto CleanUpAndBailOut;
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}
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MEMCPY(DestDesc->String.Pointer, Buffer, Length);
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}
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break;
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case ACPI_TYPE_BUFFER:
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/*
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* Perform the update to the buffer
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*/
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switch (ValDesc->Common.Type)
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{
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case ACPI_TYPE_NUMBER:
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Buffer = (UINT8 *) &ValDesc->Number.Value;
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Length = sizeof (ValDesc->Number.Value);
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break;
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case ACPI_TYPE_BUFFER:
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Buffer = (UINT8 *) ValDesc->Buffer.Pointer;
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Length = ValDesc->Buffer.Length;
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break;
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case ACPI_TYPE_STRING:
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Buffer = (UINT8 *) ValDesc->String.Pointer;
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Length = ValDesc->String.Length;
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break;
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}
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/*
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* Buffer is a static allocation,
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* only place what will fit in the buffer.
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*/
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if (Length <= DestDesc->Buffer.Length)
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{
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/*
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* Zero fill first, not willing to do pointer arithmetic for
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* archetecture independence. Just clear the whole thing
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*/
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MEMSET(DestDesc->Buffer.Pointer, 0, DestDesc->Buffer.Length);
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MEMCPY(DestDesc->Buffer.Pointer, Buffer, Length);
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}
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else
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{
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/*
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* truncate, copy only what will fit
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*/
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MEMCPY(DestDesc->Buffer.Pointer, Buffer, DestDesc->Buffer.Length);
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DEBUG_PRINT (ACPI_INFO,
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("AmlStoreObjectToNte: Truncating src buffer from %d to %d\n",
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Length, DestDesc->Buffer.Length));
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}
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break;
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|
|
case INTERNAL_TYPE_INDEX_FIELD:
|
|
|
|
/*
|
|
* Get the global lock if needed
|
|
*/
|
|
Locked = AcpiAmlAcquireGlobalLock (DestDesc->IndexField.LockRule);
|
|
|
|
/*
|
|
* Set Index value to select proper Data register
|
|
* perform the update (Set index)
|
|
*/
|
|
|
|
Status = AcpiAmlAccessNamedField (ACPI_WRITE,
|
|
DestDesc->IndexField.Index,
|
|
&DestDesc->IndexField.Value,
|
|
sizeof (DestDesc->IndexField.Value));
|
|
|
|
DEBUG_PRINT (ACPI_INFO,
|
|
("AmlStoreObjectToNte: IndexField: set index returned %s\n",
|
|
AcpiCmFormatException (Status)));
|
|
|
|
if (ACPI_SUCCESS (Status))
|
|
{
|
|
/* set index successful, next set Data value */
|
|
|
|
Status = AcpiAmlAccessNamedField (ACPI_WRITE,
|
|
DestDesc->IndexField.Data,
|
|
&ValDesc->Number.Value,
|
|
sizeof (ValDesc->Number.Value));
|
|
DEBUG_PRINT (ACPI_INFO,
|
|
("AmlStoreObjectToNte: IndexField: set data returned %s\n",
|
|
AcpiCmFormatException (Status)));
|
|
}
|
|
break;
|
|
|
|
|
|
case ACPI_TYPE_FIELD_UNIT:
|
|
|
|
|
|
/*
|
|
* If the Field Buffer and Index have not been previously evaluated,
|
|
* evaluate them and save the results.
|
|
*/
|
|
if (!(DestDesc->Common.Flags & AOPOBJ_DATA_VALID))
|
|
{
|
|
Status = AcpiDsGetFieldUnitArguments (DestDesc);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
}
|
|
|
|
if ((!DestDesc->FieldUnit.Container ||
|
|
ACPI_TYPE_BUFFER != DestDesc->FieldUnit.Container->Common.Type))
|
|
{
|
|
DUMP_PATHNAME (Node,
|
|
"AmlStoreObjectToNte: FieldUnit: Bad container in ",
|
|
ACPI_ERROR, _COMPONENT);
|
|
DUMP_ENTRY (Node, ACPI_ERROR);
|
|
DEBUG_PRINT (ACPI_ERROR,
|
|
("Container: %p", DestDesc->FieldUnit.Container));
|
|
|
|
if (DestDesc->FieldUnit.Container)
|
|
{
|
|
DEBUG_PRINT_RAW (ACPI_ERROR, (" Type %d",
|
|
DestDesc->FieldUnit.Container->Common.Type));
|
|
}
|
|
DEBUG_PRINT_RAW (ACPI_ERROR, ("\n"));
|
|
|
|
Status = AE_AML_INTERNAL;
|
|
goto CleanUpAndBailOut;
|
|
}
|
|
|
|
/*
|
|
* Get the global lock if needed
|
|
*/
|
|
Locked = AcpiAmlAcquireGlobalLock (DestDesc->FieldUnit.LockRule);
|
|
|
|
/*
|
|
* TBD: [Unhandled] REMOVE this limitation
|
|
* Make sure the operation is within the limits of our implementation
|
|
* this is not a Spec limitation!!
|
|
*/
|
|
if (DestDesc->FieldUnit.Length + DestDesc->FieldUnit.BitOffset > 32)
|
|
{
|
|
DEBUG_PRINT (ACPI_ERROR,
|
|
("AmlStoreObjectToNte: FieldUnit: Implementation limitation - Field exceeds UINT32\n"));
|
|
Status = AE_NOT_IMPLEMENTED;
|
|
goto CleanUpAndBailOut;
|
|
}
|
|
|
|
/* Field location is (base of buffer) + (byte offset) */
|
|
|
|
Location = DestDesc->FieldUnit.Container->Buffer.Pointer
|
|
+ DestDesc->FieldUnit.Offset;
|
|
|
|
/*
|
|
* Construct Mask with 1 bits where the field is,
|
|
* 0 bits elsewhere
|
|
*/
|
|
Mask = ((UINT32) 1 << DestDesc->FieldUnit.Length) - ((UINT32)1
|
|
<< DestDesc->FieldUnit.BitOffset);
|
|
|
|
DEBUG_PRINT (TRACE_EXEC,
|
|
("** Store %lx in buffer %p byte %ld bit %d width %d addr %p mask %08lx\n",
|
|
ValDesc->Number.Value,
|
|
DestDesc->FieldUnit.Container->Buffer.Pointer,
|
|
DestDesc->FieldUnit.Offset, DestDesc->FieldUnit.BitOffset,
|
|
DestDesc->FieldUnit.Length,Location, Mask));
|
|
|
|
/* Zero out the field in the buffer */
|
|
|
|
MOVE_UNALIGNED32_TO_32 (&NewValue, Location);
|
|
NewValue &= ~Mask;
|
|
|
|
/*
|
|
* Shift and mask the new value into position,
|
|
* and or it into the buffer.
|
|
*/
|
|
NewValue |= (ValDesc->Number.Value << DestDesc->FieldUnit.BitOffset) &
|
|
Mask;
|
|
|
|
/* Store back the value */
|
|
|
|
MOVE_UNALIGNED32_TO_32 (Location, &NewValue);
|
|
|
|
DEBUG_PRINT (TRACE_EXEC, ("New Field value %08lx\n", NewValue));
|
|
break;
|
|
|
|
|
|
case ACPI_TYPE_NUMBER:
|
|
|
|
DestDesc->Number.Value = ValDesc->Number.Value;
|
|
break;
|
|
|
|
|
|
case ACPI_TYPE_PACKAGE:
|
|
|
|
/*
|
|
* TBD: [Unhandled] Not real sure what to do here
|
|
*/
|
|
Status = AE_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
/*
|
|
* All other types than Alias and the various Fields come here.
|
|
* Store ValDesc as the new value of the Name, and set
|
|
* the Name's type to that of the value being stored in it.
|
|
* ValDesc reference count is incremented by AttachObject.
|
|
*/
|
|
|
|
DEBUG_PRINT (ACPI_WARN,
|
|
("AmlStoreObjectToNte: Store into %s not implemented\n",
|
|
AcpiCmGetTypeName (AcpiNsGetType (Node))));
|
|
|
|
Status = AE_NOT_IMPLEMENTED;
|
|
break;
|
|
}
|
|
|
|
|
|
CleanUpAndBailOut:
|
|
|
|
/*
|
|
* Release global lock if we acquired it earlier
|
|
*/
|
|
AcpiAmlReleaseGlobalLock (Locked);
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|