581 lines
20 KiB
C
581 lines
20 KiB
C
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/******************************************************************************
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*
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* Module Name: amprep - ACPI AML (p-code) execution - field prep utilities
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* $Revision: 69 $
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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
|
|
* Code or modification without rights to further distribute source must
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|
* include the following Disclaimer and Export Compliance provision in the
|
|
* 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 __AMPREP_C__
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#include "acpi.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 "acparser.h"
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#define _COMPONENT INTERPRETER
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MODULE_NAME ("amprep")
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/*******************************************************************************
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*
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* FUNCTION: AcpiAmlDecodeFieldAccessType
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*
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* PARAMETERS: Access - Encoded field access bits
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*
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* RETURN: Field granularity (8, 16, or 32)
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*
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* DESCRIPTION: Decode the AccessType bits of a field definition.
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*
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******************************************************************************/
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static UINT32
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AcpiAmlDecodeFieldAccessType (
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UINT32 Access)
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{
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switch (Access)
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{
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case ACCESS_ANY_ACC:
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return (8);
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break;
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case ACCESS_BYTE_ACC:
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return (8);
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break;
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case ACCESS_WORD_ACC:
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return (16);
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break;
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case ACCESS_DWORD_ACC:
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return (32);
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break;
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default:
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/* Invalid field access type */
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DEBUG_PRINT (ACPI_ERROR,
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("AmlDecodeFieldAccessType: Unknown field access type %x\n",
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Access));
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return (0);
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiAmlPrepCommonFieldObjec
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*
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* PARAMETERS: ObjDesc - The field object
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* FieldFlags - Access, LockRule, or UpdateRule.
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* The format of a FieldFlag is described
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* in the ACPI specification
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* FieldPosition - Field position
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* FieldLength - Field length
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*
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* RETURN: Status
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*
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* DESCRIPTION: Initialize the areas of the field object that are common
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* to the various types of fields.
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*
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******************************************************************************/
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static ACPI_STATUS
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AcpiAmlPrepCommonFieldObject (
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ACPI_OPERAND_OBJECT *ObjDesc,
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UINT8 FieldFlags,
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UINT8 FieldAttribute,
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UINT32 FieldPosition,
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UINT32 FieldLength)
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{
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UINT32 Granularity;
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FUNCTION_TRACE ("AmlPrepCommonFieldObject");
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/*
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* Note: the structure being initialized is the
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* ACPI_COMMON_FIELD_INFO; Therefore, we can just use the Field union to
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* access this common area. No structure fields outside of the common area
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* are initialized by this procedure.
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*/
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/* Decode the FieldFlags */
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ObjDesc->Field.Access = (UINT8) ((FieldFlags & ACCESS_TYPE_MASK)
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>> ACCESS_TYPE_SHIFT);
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ObjDesc->Field.LockRule = (UINT8) ((FieldFlags & LOCK_RULE_MASK)
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>> LOCK_RULE_SHIFT);
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ObjDesc->Field.UpdateRule = (UINT8) ((FieldFlags & UPDATE_RULE_MASK)
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>> UPDATE_RULE_SHIFT);
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/* Other misc fields */
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ObjDesc->Field.Length = (UINT16) FieldLength;
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ObjDesc->Field.AccessAttribute = FieldAttribute;
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/* Decode the access type so we can compute offsets */
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Granularity = AcpiAmlDecodeFieldAccessType (ObjDesc->Field.Access);
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if (!Granularity)
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{
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return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
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}
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/* Access granularity based fields */
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ObjDesc->Field.Granularity = (UINT8) Granularity;
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ObjDesc->Field.BitOffset = (UINT8) (FieldPosition % Granularity);
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ObjDesc->Field.Offset = (UINT32) FieldPosition / Granularity;
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return_ACPI_STATUS (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiAmlPrepDefFieldValue
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*
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* PARAMETERS: Node - Owning Node
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* Region - Region in which field is being defined
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* FieldFlags - Access, LockRule, or UpdateRule.
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* The format of a FieldFlag is described
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* in the ACPI specification
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* FieldPosition - Field position
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* FieldLength - Field length
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*
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* RETURN: Status
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*
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* DESCRIPTION: Construct an ACPI_OPERAND_OBJECT of type DefField and
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* connect it to the parent Node.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiAmlPrepDefFieldValue (
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ACPI_NAMESPACE_NODE *Node,
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ACPI_HANDLE Region,
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UINT8 FieldFlags,
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UINT8 FieldAttribute,
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UINT32 FieldPosition,
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UINT32 FieldLength)
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{
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ACPI_OPERAND_OBJECT *ObjDesc;
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UINT32 Type;
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ACPI_STATUS Status;
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FUNCTION_TRACE ("AmlPrepDefFieldValue");
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/* Parameter validation */
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if (!Region)
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{
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DEBUG_PRINT (ACPI_ERROR, ("AmlPrepDefFieldValue: null Region\n"));
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return_ACPI_STATUS (AE_AML_NO_OPERAND);
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}
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Type = AcpiNsGetType (Region);
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if (Type != ACPI_TYPE_REGION)
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{
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DEBUG_PRINT (ACPI_ERROR,
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("AmlPrepDefFieldValue: Needed Region, found type %X %s\n",
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Type, AcpiCmGetTypeName (Type)));
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return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
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}
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/* Allocate a new object */
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ObjDesc = AcpiCmCreateInternalObject (INTERNAL_TYPE_DEF_FIELD);
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if (!ObjDesc)
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{
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return_ACPI_STATUS (AE_NO_MEMORY);
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}
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/* ObjDesc and Region valid */
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DUMP_OPERANDS ((ACPI_OPERAND_OBJECT **) &Node, IMODE_EXECUTE,
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"AmlPrepDefFieldValue", 1, "case DefField");
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DUMP_OPERANDS ((ACPI_OPERAND_OBJECT **) &Region, IMODE_EXECUTE,
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"AmlPrepDefFieldValue", 1, "case DefField");
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/* Initialize areas of the object that are common to all fields */
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Status = AcpiAmlPrepCommonFieldObject (ObjDesc, FieldFlags, FieldAttribute,
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FieldPosition, FieldLength);
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if (ACPI_FAILURE (Status))
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{
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return_ACPI_STATUS (Status);
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}
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/* Initialize areas of the object that are specific to this field type */
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ObjDesc->Field.Container = AcpiNsGetAttachedObject (Region);
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/* An additional reference for the container */
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AcpiCmAddReference (ObjDesc->Field.Container);
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/* Debug info */
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DEBUG_PRINT (ACPI_INFO,
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("AmlPrepDefFieldValue: bitoff=%X off=%X gran=%X\n",
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ObjDesc->Field.BitOffset, ObjDesc->Field.Offset,
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ObjDesc->Field.Granularity));
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DEBUG_PRINT (ACPI_INFO,
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("AmlPrepDefFieldValue: set NamedObj %p (%4.4s) val = %p\n",
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Node, &(Node->Name), ObjDesc));
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DUMP_STACK_ENTRY (ObjDesc);
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DUMP_ENTRY (Region, ACPI_INFO);
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DEBUG_PRINT (ACPI_INFO, ("\t%p \n", ObjDesc->Field.Container));
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if (ObjDesc->Field.Container)
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{
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DUMP_STACK_ENTRY (ObjDesc->Field.Container);
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}
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DEBUG_PRINT (ACPI_INFO,
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("============================================================\n"));
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/*
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* Store the constructed descriptor (ObjDesc) into the NamedObj whose
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* handle is on TOS, preserving the current type of that NamedObj.
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*/
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Status = AcpiNsAttachObject ((ACPI_HANDLE) Node, ObjDesc,
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(UINT8) AcpiNsGetType ((ACPI_HANDLE) Node));
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return_ACPI_STATUS (Status);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiAmlPrepBankFieldValue
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*
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* PARAMETERS: Node - Owning Node
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* Region - Region in which field is being defined
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* BankReg - Bank selection register
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* BankVal - Value to store in selection register
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* FieldFlags - Access, LockRule, or UpdateRule
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* FieldPosition - Field position
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* FieldLength - Field length
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*
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* RETURN: Status
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*
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* DESCRIPTION: Construct an ACPI_OPERAND_OBJECT of type BankField and
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* connect it to the parent Node.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiAmlPrepBankFieldValue (
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ACPI_NAMESPACE_NODE *Node,
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ACPI_HANDLE Region,
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ACPI_HANDLE BankReg,
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UINT32 BankVal,
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UINT8 FieldFlags,
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UINT8 FieldAttribute,
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UINT32 FieldPosition,
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UINT32 FieldLength)
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{
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ACPI_OPERAND_OBJECT *ObjDesc;
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UINT32 Type;
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ACPI_STATUS Status;
|
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|
|
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FUNCTION_TRACE ("AmlPrepBankFieldValue");
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|
|
|
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/* Parameter validation */
|
|
|
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if (!Region)
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{
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DEBUG_PRINT (ACPI_ERROR, ("AmlPrepBankFieldValue: null Region\n"));
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return_ACPI_STATUS (AE_AML_NO_OPERAND);
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}
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Type = AcpiNsGetType (Region);
|
|
if (Type != ACPI_TYPE_REGION)
|
|
{
|
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DEBUG_PRINT (ACPI_ERROR,
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("AmlPrepBankFieldValue: Needed Region, found type %X %s\n",
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Type, AcpiCmGetTypeName (Type)));
|
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return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
|
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}
|
|
|
|
/* Allocate a new object */
|
|
|
|
ObjDesc = AcpiCmCreateInternalObject (INTERNAL_TYPE_BANK_FIELD);
|
|
if (!ObjDesc)
|
|
{
|
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return_ACPI_STATUS (AE_NO_MEMORY);
|
|
}
|
|
|
|
/* ObjDesc and Region valid */
|
|
|
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DUMP_OPERANDS ((ACPI_OPERAND_OBJECT **) &Node, IMODE_EXECUTE,
|
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"AmlPrepBankFieldValue", 1, "case BankField");
|
|
DUMP_OPERANDS ((ACPI_OPERAND_OBJECT **) &Region, IMODE_EXECUTE,
|
|
"AmlPrepBankFieldValue", 1, "case BankField");
|
|
|
|
/* Initialize areas of the object that are common to all fields */
|
|
|
|
Status = AcpiAmlPrepCommonFieldObject (ObjDesc, FieldFlags, FieldAttribute,
|
|
FieldPosition, FieldLength);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Initialize areas of the object that are specific to this field type */
|
|
|
|
ObjDesc->BankField.Value = BankVal;
|
|
ObjDesc->BankField.Container = AcpiNsGetAttachedObject (Region);
|
|
ObjDesc->BankField.BankSelect = AcpiNsGetAttachedObject (BankReg);
|
|
|
|
/* An additional reference for the container and bank select */
|
|
/* TBD: [Restructure] is "BankSelect" ever a real internal object?? */
|
|
|
|
AcpiCmAddReference (ObjDesc->BankField.Container);
|
|
AcpiCmAddReference (ObjDesc->BankField.BankSelect);
|
|
|
|
/* Debug info */
|
|
|
|
DEBUG_PRINT (ACPI_INFO,
|
|
("AmlPrepBankFieldValue: bitoff=%X off=%X gran=%X\n",
|
|
ObjDesc->BankField.BitOffset, ObjDesc->BankField.Offset,
|
|
ObjDesc->Field.Granularity));
|
|
|
|
DEBUG_PRINT (ACPI_INFO,
|
|
("AmlPrepBankFieldValue: set NamedObj %p (%4.4s) val = %p\n",
|
|
Node, &(Node->Name), ObjDesc));
|
|
|
|
DUMP_STACK_ENTRY (ObjDesc);
|
|
DUMP_ENTRY (Region, ACPI_INFO);
|
|
DUMP_ENTRY (BankReg, ACPI_INFO);
|
|
DEBUG_PRINT (ACPI_INFO,
|
|
("============================================================\n"));
|
|
|
|
/*
|
|
* Store the constructed descriptor (ObjDesc) into the NamedObj whose
|
|
* handle is on TOS, preserving the current type of that NamedObj.
|
|
*/
|
|
Status = AcpiNsAttachObject ((ACPI_HANDLE) Node, ObjDesc,
|
|
(UINT8) AcpiNsGetType ((ACPI_HANDLE) Node));
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiAmlPrepIndexFieldValue
|
|
*
|
|
* PARAMETERS: Node - Owning Node
|
|
* IndexReg - Index register
|
|
* DataReg - Data register
|
|
* FieldFlags - Access, LockRule, or UpdateRule
|
|
* FieldPosition - Field position
|
|
* FieldLength - Field length
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Construct an ACPI_OPERAND_OBJECT of type IndexField and
|
|
* connect it to the parent Node.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiAmlPrepIndexFieldValue (
|
|
ACPI_NAMESPACE_NODE *Node,
|
|
ACPI_HANDLE IndexReg,
|
|
ACPI_HANDLE DataReg,
|
|
UINT8 FieldFlags,
|
|
UINT8 FieldAttribute,
|
|
UINT32 FieldPosition,
|
|
UINT32 FieldLength)
|
|
{
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
FUNCTION_TRACE ("AmlPrepIndexFieldValue");
|
|
|
|
|
|
/* Parameter validation */
|
|
|
|
if (!IndexReg || !DataReg)
|
|
{
|
|
DEBUG_PRINT (ACPI_ERROR, ("AmlPrepIndexFieldValue: null handle\n"));
|
|
return_ACPI_STATUS (AE_AML_NO_OPERAND);
|
|
}
|
|
|
|
/* Allocate a new object descriptor */
|
|
|
|
ObjDesc = AcpiCmCreateInternalObject (INTERNAL_TYPE_INDEX_FIELD);
|
|
if (!ObjDesc)
|
|
{
|
|
return_ACPI_STATUS (AE_NO_MEMORY);
|
|
}
|
|
|
|
/* Initialize areas of the object that are common to all fields */
|
|
|
|
Status = AcpiAmlPrepCommonFieldObject (ObjDesc, FieldFlags, FieldAttribute,
|
|
FieldPosition, FieldLength);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Initialize areas of the object that are specific to this field type */
|
|
|
|
ObjDesc->IndexField.Value = (UINT32) (FieldPosition /
|
|
ObjDesc->Field.Granularity);
|
|
ObjDesc->IndexField.Index = IndexReg;
|
|
ObjDesc->IndexField.Data = DataReg;
|
|
|
|
/* Debug info */
|
|
|
|
DEBUG_PRINT (ACPI_INFO,
|
|
("AmlPrepIndexFieldValue: bitoff=%X off=%X gran=%X\n",
|
|
ObjDesc->IndexField.BitOffset, ObjDesc->IndexField.Offset,
|
|
ObjDesc->Field.Granularity));
|
|
|
|
DEBUG_PRINT (ACPI_INFO,
|
|
("AmlPrepIndexFieldValue: set NamedObj %p (%4.4s) val = %p\n",
|
|
Node, &(Node->Name), ObjDesc));
|
|
|
|
DUMP_STACK_ENTRY (ObjDesc);
|
|
DUMP_ENTRY (IndexReg, ACPI_INFO);
|
|
DUMP_ENTRY (DataReg, ACPI_INFO);
|
|
DEBUG_PRINT (ACPI_INFO,
|
|
("============================================================\n"));
|
|
|
|
/*
|
|
* Store the constructed descriptor (ObjDesc) into the NamedObj whose
|
|
* handle is on TOS, preserving the current type of that NamedObj.
|
|
*/
|
|
Status = AcpiNsAttachObject ((ACPI_HANDLE) Node, ObjDesc,
|
|
(UINT8) AcpiNsGetType ((ACPI_HANDLE) Node));
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|