903 lines
30 KiB
C
903 lines
30 KiB
C
/******************************************************************************
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*
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* Module Name: aslparseop - Parse op create/allocate/cache interfaces
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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 - 2017, Intel Corp.
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* All rights 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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*
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* Alternatively, you may choose to be licensed under the terms of the
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* following license:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Alternatively, you may choose to be licensed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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*****************************************************************************/
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#include "aslcompiler.h"
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#include "aslcompiler.y.h"
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#include "acapps.h"
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#include "acconvert.h"
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("aslparseop")
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/*******************************************************************************
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*
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* FUNCTION: TrCreateOp
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*
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* PARAMETERS: ParseOpcode - Opcode to be assigned to the op
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* NumChildren - Number of children to follow
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* ... - A list of child ops to link to the new
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* op. NumChildren long.
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*
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* RETURN: Pointer to the new op. Aborts on allocation failure
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*
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* DESCRIPTION: Create a new parse op and link together a list of child
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* ops underneath the new op.
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*
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******************************************************************************/
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ACPI_PARSE_OBJECT *
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TrCreateOp (
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UINT32 ParseOpcode,
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UINT32 NumChildren,
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...)
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{
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ACPI_PARSE_OBJECT *Op;
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ACPI_PARSE_OBJECT *Child;
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ACPI_PARSE_OBJECT *PrevChild;
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va_list ap;
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UINT32 i;
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BOOLEAN FirstChild;
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va_start (ap, NumChildren);
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/* Allocate one new op */
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Op = TrAllocateOp (ParseOpcode);
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DbgPrint (ASL_PARSE_OUTPUT,
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"\nCreateOp Ln/Col %u/%u NewParent %p Child %u Op %s ",
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Op->Asl.LineNumber, Op->Asl.Column, Op,
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NumChildren, UtGetOpName(ParseOpcode));
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/* Some extra debug output based on the parse opcode */
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switch (ParseOpcode)
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{
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case PARSEOP_ASL_CODE:
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Gbl_ParseTreeRoot = Op;
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Op->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
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DbgPrint (ASL_PARSE_OUTPUT, "ASLCODE (Tree Completed)->");
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break;
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case PARSEOP_DEFINITION_BLOCK:
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DbgPrint (ASL_PARSE_OUTPUT, "DEFINITION_BLOCK (Tree Completed)->");
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break;
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case PARSEOP_OPERATIONREGION:
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DbgPrint (ASL_PARSE_OUTPUT, "OPREGION->");
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break;
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case PARSEOP_OR:
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DbgPrint (ASL_PARSE_OUTPUT, "OR->");
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break;
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default:
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/* Nothing to do for other opcodes */
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break;
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}
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/* Link the new op to its children */
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PrevChild = NULL;
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FirstChild = TRUE;
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for (i = 0; i < NumChildren; i++)
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{
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/* Get the next child */
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Child = va_arg (ap, ACPI_PARSE_OBJECT *);
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DbgPrint (ASL_PARSE_OUTPUT, "%p, ", Child);
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/*
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* If child is NULL, this means that an optional argument
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* was omitted. We must create a placeholder with a special
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* opcode (DEFAULT_ARG) so that the code generator will know
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* that it must emit the correct default for this argument
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*/
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if (!Child)
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{
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Child = TrAllocateOp (PARSEOP_DEFAULT_ARG);
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}
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/* Link first child to parent */
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if (FirstChild)
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{
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FirstChild = FALSE;
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Op->Asl.Child = Child;
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/*
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* For the ASL-/ASL+ converter: if the ParseOp is a Connection,
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* External, Offset or AccessAs, it means that the comments in the
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* FirstChild belongs to their parent due to the parsing order in
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* the .y files. To correct this, take the comments in the
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* FirstChild place it in the parent. This also means that
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* legitimate comments for the child gets put to the parent.
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*/
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if (Gbl_CaptureComments &&
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((ParseOpcode == PARSEOP_CONNECTION) ||
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(ParseOpcode == PARSEOP_EXTERNAL) ||
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(ParseOpcode == PARSEOP_OFFSET) ||
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(ParseOpcode == PARSEOP_ACCESSAS)))
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{
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Op->Asl.CommentList = Child->Asl.CommentList;
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Op->Asl.EndBlkComment = Child->Asl.EndBlkComment;
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Op->Asl.InlineComment = Child->Asl.InlineComment;
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Op->Asl.FileChanged = Child->Asl.FileChanged;
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Child->Asl.CommentList = NULL;
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Child->Asl.EndBlkComment = NULL;
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Child->Asl.InlineComment = NULL;
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Child->Asl.FileChanged = FALSE;
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/*
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* These do not need to be "passed off". They can be copied
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* because the code for these opcodes should be printed in the
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* same file.
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*/
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Op->Asl.Filename = Child->Asl.Filename;
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Op->Asl.ParentFilename = Child->Asl.ParentFilename;
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}
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}
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/* Point all children to parent */
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Child->Asl.Parent = Op;
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/* Link children in a peer list */
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if (PrevChild)
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{
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PrevChild->Asl.Next = Child;
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};
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/* Get the comment from last child in the resource template call */
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if (Gbl_CaptureComments &&
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(Op->Asl.ParseOpcode == PARSEOP_RESOURCETEMPLATE))
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{
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CvDbgPrint ("Transferred current comment list to this op.\n");
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Op->Asl.CommentList = Child->Asl.CommentList;
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Child->Asl.CommentList = NULL;
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Op->Asl.InlineComment = Child->Asl.InlineComment;
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Child->Asl.InlineComment = NULL;
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}
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/*
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* This child might be a list, point all ops in the list
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* to the same parent
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*/
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while (Child->Asl.Next)
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{
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Child = Child->Asl.Next;
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Child->Asl.Parent = Op;
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}
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PrevChild = Child;
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}
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va_end(ap);
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DbgPrint (ASL_PARSE_OUTPUT, "\n");
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return (Op);
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}
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/*******************************************************************************
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*
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* FUNCTION: TrCreateLeafOp
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*
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* PARAMETERS: ParseOpcode - New opcode to be assigned to the op
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*
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* RETURN: Pointer to the new op. Aborts on allocation failure
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*
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* DESCRIPTION: Create a simple leaf op (no children or peers, and no value
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* assigned to the op)
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*
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******************************************************************************/
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ACPI_PARSE_OBJECT *
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TrCreateLeafOp (
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UINT32 ParseOpcode)
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{
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ACPI_PARSE_OBJECT *Op;
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Op = TrAllocateOp (ParseOpcode);
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DbgPrint (ASL_PARSE_OUTPUT,
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"\nCreateLeafOp Ln/Col %u/%u NewOp %p Op %s\n\n",
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Op->Asl.LineNumber, Op->Asl.Column, Op, UtGetOpName (ParseOpcode));
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return (Op);
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}
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/*******************************************************************************
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*
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* FUNCTION: TrCreateValuedLeafOp
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*
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* PARAMETERS: ParseOpcode - New opcode to be assigned to the op
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* Value - Value to be assigned to the op
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*
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* RETURN: Pointer to the new op. Aborts on allocation failure
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*
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* DESCRIPTION: Create a leaf op (no children or peers) with a value
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* assigned to it
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*
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******************************************************************************/
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ACPI_PARSE_OBJECT *
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TrCreateValuedLeafOp (
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UINT32 ParseOpcode,
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UINT64 Value)
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{
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ACPI_PARSE_OBJECT *Op;
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Op = TrAllocateOp (ParseOpcode);
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Op->Asl.Value.Integer = Value;
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DbgPrint (ASL_PARSE_OUTPUT,
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"\nCreateValuedLeafOp Ln/Col %u/%u NewOp %p "
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"Op %s Value %8.8X%8.8X ",
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Op->Asl.LineNumber, Op->Asl.Column, Op, UtGetOpName(ParseOpcode),
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ACPI_FORMAT_UINT64 (Value));
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switch (ParseOpcode)
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{
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case PARSEOP_STRING_LITERAL:
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DbgPrint (ASL_PARSE_OUTPUT, "STRING->%s", Value);
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break;
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case PARSEOP_NAMESEG:
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DbgPrint (ASL_PARSE_OUTPUT, "NAMESEG->%s", Value);
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break;
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case PARSEOP_NAMESTRING:
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DbgPrint (ASL_PARSE_OUTPUT, "NAMESTRING->%s", Value);
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break;
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case PARSEOP_EISAID:
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DbgPrint (ASL_PARSE_OUTPUT, "EISAID->%s", Value);
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break;
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case PARSEOP_METHOD:
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DbgPrint (ASL_PARSE_OUTPUT, "METHOD");
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break;
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case PARSEOP_INTEGER:
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DbgPrint (ASL_PARSE_OUTPUT, "INTEGER->%8.8X%8.8X",
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ACPI_FORMAT_UINT64 (Value));
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break;
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default:
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break;
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}
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DbgPrint (ASL_PARSE_OUTPUT, "\n\n");
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return (Op);
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}
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/*******************************************************************************
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*
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* FUNCTION: TrCreateTargetOp
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*
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* PARAMETERS: OriginalOp - Op to be copied
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*
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* RETURN: Pointer to the new op. Aborts on allocation failure
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*
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* DESCRIPTION: Copy an existing op (and subtree). Used in ASL+ (C-style)
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* expressions where the target is the same as one of the
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* operands. A new op and subtree must be created from the
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* original so that the parse tree can be linked properly.
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*
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* NOTE: This code is specific to target operands that are the last
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* operand in an ASL/AML operator. Meaning that the top-level
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* parse Op in a possible subtree has a NULL Next pointer.
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* This simplifies the recursion.
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*
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* Subtree example:
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* DeRefOf (Local1) += 32
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*
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* This gets converted to:
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* Add (DeRefOf (Local1), 32, DeRefOf (Local1))
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*
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* Each DeRefOf has a single child, Local1. Even more complex
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* subtrees can be created via the Index and DeRefOf operators.
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*
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******************************************************************************/
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ACPI_PARSE_OBJECT *
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TrCreateTargetOp (
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ACPI_PARSE_OBJECT *OriginalOp,
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ACPI_PARSE_OBJECT *ParentOp)
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{
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ACPI_PARSE_OBJECT *Op;
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if (!OriginalOp)
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{
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return (NULL);
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}
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Op = UtParseOpCacheCalloc ();
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/* Copy the pertinent values (omit link pointer fields) */
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Op->Asl.Value = OriginalOp->Asl.Value;
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Op->Asl.Filename = OriginalOp->Asl.Filename;
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Op->Asl.LineNumber = OriginalOp->Asl.LineNumber;
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Op->Asl.LogicalLineNumber = OriginalOp->Asl.LogicalLineNumber;
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Op->Asl.LogicalByteOffset = OriginalOp->Asl.LogicalByteOffset;
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Op->Asl.Column = OriginalOp->Asl.Column;
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Op->Asl.Flags = OriginalOp->Asl.Flags;
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Op->Asl.CompileFlags = OriginalOp->Asl.CompileFlags;
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Op->Asl.AmlOpcode = OriginalOp->Asl.AmlOpcode;
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Op->Asl.ParseOpcode = OriginalOp->Asl.ParseOpcode;
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Op->Asl.Parent = ParentOp;
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UtSetParseOpName (Op);
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/* Copy a possible subtree below this op */
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if (OriginalOp->Asl.Child)
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{
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Op->Asl.Child = TrCreateTargetOp (OriginalOp->Asl.Child, Op);
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}
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if (OriginalOp->Asl.Next) /* Null for top-level op */
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{
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Op->Asl.Next = TrCreateTargetOp (OriginalOp->Asl.Next, ParentOp);
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}
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return (Op);
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}
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/*******************************************************************************
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*
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* FUNCTION: TrCreateAssignmentOp
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*
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* PARAMETERS: Target - Assignment target
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* Source - Assignment source
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*
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* RETURN: Pointer to the new op. Aborts on allocation failure
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*
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* DESCRIPTION: Implements the C-style '=' operator. It changes the parse
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* tree if possible to utilize the last argument of the math
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* operators which is a target operand -- thus saving invocation
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* of and additional Store() operator. An optimization.
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*
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******************************************************************************/
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ACPI_PARSE_OBJECT *
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TrCreateAssignmentOp (
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ACPI_PARSE_OBJECT *Target,
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ACPI_PARSE_OBJECT *Source)
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{
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ACPI_PARSE_OBJECT *TargetOp;
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ACPI_PARSE_OBJECT *SourceOp1;
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ACPI_PARSE_OBJECT *SourceOp2;
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ACPI_PARSE_OBJECT *Operator;
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|
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DbgPrint (ASL_PARSE_OUTPUT,
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"\nTrCreateAssignmentOp Line [%u to %u] Source %s Target %s\n",
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Source->Asl.LineNumber, Source->Asl.EndLine,
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UtGetOpName (Source->Asl.ParseOpcode),
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UtGetOpName (Target->Asl.ParseOpcode));
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TrSetOpFlags (Target, OP_IS_TARGET);
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switch (Source->Asl.ParseOpcode)
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{
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/*
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* Only these operators can be optimized because they have
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* a target operand
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*/
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case PARSEOP_ADD:
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case PARSEOP_AND:
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case PARSEOP_DIVIDE:
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case PARSEOP_INDEX:
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case PARSEOP_MOD:
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case PARSEOP_MULTIPLY:
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case PARSEOP_NOT:
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case PARSEOP_OR:
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case PARSEOP_SHIFTLEFT:
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case PARSEOP_SHIFTRIGHT:
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case PARSEOP_SUBTRACT:
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case PARSEOP_XOR:
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break;
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/* Otherwise, just create a normal Store operator */
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default:
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goto CannotOptimize;
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}
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/*
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* Transform the parse tree such that the target is moved to the
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* last operand of the operator
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*/
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SourceOp1 = Source->Asl.Child;
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SourceOp2 = SourceOp1->Asl.Next;
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/* NOT only has one operand, but has a target */
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if (Source->Asl.ParseOpcode == PARSEOP_NOT)
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{
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SourceOp2 = SourceOp1;
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}
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/* DIVIDE has an extra target operand (remainder) */
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if (Source->Asl.ParseOpcode == PARSEOP_DIVIDE)
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{
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SourceOp2 = SourceOp2->Asl.Next;
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}
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TargetOp = SourceOp2->Asl.Next;
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/*
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* Can't perform this optimization if there already is a target
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* for the operator (ZERO is a "no target" placeholder).
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*/
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if (TargetOp->Asl.ParseOpcode != PARSEOP_ZERO)
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{
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goto CannotOptimize;
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}
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/* Link in the target as the final operand */
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SourceOp2->Asl.Next = Target;
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Target->Asl.Parent = Source;
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return (Source);
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CannotOptimize:
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Operator = TrAllocateOp (PARSEOP_STORE);
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TrLinkOpChildren (Operator, 2, Source, Target);
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/* Set the appropriate line numbers for the new op */
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Operator->Asl.LineNumber = Target->Asl.LineNumber;
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Operator->Asl.LogicalLineNumber = Target->Asl.LogicalLineNumber;
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Operator->Asl.LogicalByteOffset = Target->Asl.LogicalByteOffset;
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Operator->Asl.Column = Target->Asl.Column;
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return (Operator);
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}
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/*******************************************************************************
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*
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* FUNCTION: TrCreateNullTargetOp
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*
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* PARAMETERS: None
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*
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* RETURN: Pointer to the new op. Aborts on allocation failure
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*
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* DESCRIPTION: Create a "null" target op. This is defined by the ACPI
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* specification to be a zero AML opcode, and indicates that
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* no target has been specified for the parent operation
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*
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******************************************************************************/
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ACPI_PARSE_OBJECT *
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TrCreateNullTargetOp (
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void)
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{
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ACPI_PARSE_OBJECT *Op;
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Op = TrAllocateOp (PARSEOP_ZERO);
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Op->Asl.CompileFlags |= (OP_IS_TARGET | OP_COMPILE_TIME_CONST);
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DbgPrint (ASL_PARSE_OUTPUT,
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"\nCreateNullTargetOp Ln/Col %u/%u NewOp %p Op %s\n",
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Op->Asl.LineNumber, Op->Asl.Column, Op,
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UtGetOpName (Op->Asl.ParseOpcode));
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return (Op);
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}
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|
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/*******************************************************************************
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*
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* FUNCTION: TrCreateConstantLeafOp
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*
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* PARAMETERS: ParseOpcode - The constant opcode
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*
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* RETURN: Pointer to the new op. Aborts on allocation failure
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*
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* DESCRIPTION: Create a leaf op (no children or peers) for one of the
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* special constants - __LINE__, __FILE__, and __DATE__.
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*
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* Note: The fullimplemenation of __METHOD__ cannot happen here because we
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* don't have a full parse tree at this time and cannot find the parent
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* control method. __METHOD__ must be implemented later, after the parse
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* tree has been fully constructed.
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*
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******************************************************************************/
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ACPI_PARSE_OBJECT *
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TrCreateConstantLeafOp (
|
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UINT32 ParseOpcode)
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{
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ACPI_PARSE_OBJECT *Op = NULL;
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time_t CurrentTime;
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char *StaticTimeString;
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char *TimeString;
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char *Filename;
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switch (ParseOpcode)
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{
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case PARSEOP___LINE__:
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Op = TrAllocateOp (PARSEOP_INTEGER);
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Op->Asl.Value.Integer = Op->Asl.LineNumber;
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break;
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case PARSEOP___METHOD__:
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/* Will become a string literal later */
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Op = TrAllocateOp (PARSEOP___METHOD__);
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Op->Asl.Value.String = NULL;
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break;
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case PARSEOP___PATH__:
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Op = TrAllocateOp (PARSEOP_STRING_LITERAL);
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/* Op.Asl.Filename contains the full pathname to the file */
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Op->Asl.Value.String = Op->Asl.Filename;
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break;
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case PARSEOP___FILE__:
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Op = TrAllocateOp (PARSEOP_STRING_LITERAL);
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/* Get the simple filename from the full path */
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FlSplitInputPathname (Op->Asl.Filename, NULL, &Filename);
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Op->Asl.Value.String = Filename;
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break;
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case PARSEOP___DATE__:
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Op = TrAllocateOp (PARSEOP_STRING_LITERAL);
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/* Get a copy of the current time */
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CurrentTime = time (NULL);
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StaticTimeString = ctime (&CurrentTime);
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TimeString = UtLocalCalloc (strlen (StaticTimeString) + 1);
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strcpy (TimeString, StaticTimeString);
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TimeString[strlen(TimeString) -1] = 0; /* Remove trailing newline */
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Op->Asl.Value.String = TimeString;
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break;
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default: /* This would be an internal error */
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return (NULL);
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|
}
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DbgPrint (ASL_PARSE_OUTPUT,
|
|
"\nCreateConstantLeafOp Ln/Col %u/%u NewOp %p "
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|
"Op %s Value %8.8X%8.8X \n",
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|
Op->Asl.LineNumber, Op->Asl.Column, Op, UtGetOpName (ParseOpcode),
|
|
ACPI_FORMAT_UINT64 (Op->Asl.Value.Integer));
|
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|
|
return (Op);
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|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: TrAllocateOp
|
|
*
|
|
* PARAMETERS: ParseOpcode - Opcode to be assigned to the op
|
|
*
|
|
* RETURN: New parse op. Aborts on allocation failure
|
|
*
|
|
* DESCRIPTION: Allocate and initialize a new parse op for the parse tree
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_PARSE_OBJECT *
|
|
TrAllocateOp (
|
|
UINT32 ParseOpcode)
|
|
{
|
|
ACPI_PARSE_OBJECT *Op;
|
|
ACPI_PARSE_OBJECT *LatestOp;
|
|
|
|
|
|
Op = UtParseOpCacheCalloc ();
|
|
|
|
Op->Asl.ParseOpcode = (UINT16) ParseOpcode;
|
|
Op->Asl.Filename = Gbl_Files[ASL_FILE_INPUT].Filename;
|
|
Op->Asl.LineNumber = Gbl_CurrentLineNumber;
|
|
Op->Asl.LogicalLineNumber = Gbl_LogicalLineNumber;
|
|
Op->Asl.LogicalByteOffset = Gbl_CurrentLineOffset;
|
|
Op->Asl.Column = Gbl_CurrentColumn;
|
|
|
|
UtSetParseOpName (Op);
|
|
|
|
/* The following is for capturing comments */
|
|
|
|
if(Gbl_CaptureComments)
|
|
{
|
|
LatestOp = Gbl_CommentState.LatestParseOp;
|
|
Op->Asl.InlineComment = NULL;
|
|
Op->Asl.EndNodeComment = NULL;
|
|
Op->Asl.CommentList = NULL;
|
|
Op->Asl.FileChanged = FALSE;
|
|
|
|
/*
|
|
* Check to see if the file name has changed before resetting the
|
|
* latest parse op.
|
|
*/
|
|
if (LatestOp &&
|
|
(ParseOpcode != PARSEOP_INCLUDE) &&
|
|
(ParseOpcode != PARSEOP_INCLUDE_END) &&
|
|
strcmp (LatestOp->Asl.Filename, Op->Asl.Filename))
|
|
{
|
|
CvDbgPrint ("latest op: %s\n", LatestOp->Asl.ParseOpName);
|
|
Op->Asl.FileChanged = TRUE;
|
|
if (Gbl_IncludeFileStack)
|
|
{
|
|
Op->Asl.ParentFilename = Gbl_IncludeFileStack->Filename;
|
|
}
|
|
else
|
|
{
|
|
Op->Asl.ParentFilename = NULL;
|
|
}
|
|
}
|
|
|
|
Gbl_CommentState.LatestParseOp = Op;
|
|
CvDbgPrint ("TrAllocateOp=Set latest parse op to this op.\n");
|
|
CvDbgPrint (" Op->Asl.ParseOpName = %s\n",
|
|
Gbl_CommentState.LatestParseOp->Asl.ParseOpName);
|
|
CvDbgPrint (" Op->Asl.ParseOpcode = 0x%x\n", ParseOpcode);
|
|
|
|
if (Op->Asl.FileChanged)
|
|
{
|
|
CvDbgPrint(" file has been changed!\n");
|
|
}
|
|
|
|
/*
|
|
* if this parse op's syntax uses () and {} (i.e. Package(1){0x00}) then
|
|
* set a flag in the comment state. This facilitates paring comments for
|
|
* these types of opcodes.
|
|
*/
|
|
if ((CvParseOpBlockType(Op) == (BLOCK_PAREN | BLOCK_BRACE)) &&
|
|
(ParseOpcode != PARSEOP_DEFINITION_BLOCK))
|
|
{
|
|
CvDbgPrint ("Parsing paren/Brace op now!\n");
|
|
Gbl_CommentState.ParsingParenBraceNode = Op;
|
|
}
|
|
|
|
if (Gbl_CommentListHead)
|
|
{
|
|
CvDbgPrint ("Transferring...\n");
|
|
Op->Asl.CommentList = Gbl_CommentListHead;
|
|
Gbl_CommentListHead = NULL;
|
|
Gbl_CommentListTail = NULL;
|
|
CvDbgPrint (" Transferred current comment list to this op.\n");
|
|
CvDbgPrint (" %s\n", Op->Asl.CommentList->Comment);
|
|
}
|
|
|
|
if (Gbl_InlineCommentBuffer)
|
|
{
|
|
Op->Asl.InlineComment = Gbl_InlineCommentBuffer;
|
|
Gbl_InlineCommentBuffer = NULL;
|
|
CvDbgPrint ("Transferred current inline comment list to this op.\n");
|
|
}
|
|
}
|
|
|
|
return (Op);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: TrPrintOpFlags
|
|
*
|
|
* PARAMETERS: Flags - Flags word to be decoded
|
|
* OutputLevel - Debug output level: ASL_TREE_OUTPUT etc.
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Decode a flags word to text. Displays all flags that are set.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
TrPrintOpFlags (
|
|
UINT32 Flags,
|
|
UINT32 OutputLevel)
|
|
{
|
|
UINT32 FlagBit = 1;
|
|
UINT32 i;
|
|
|
|
|
|
for (i = 0; i < ACPI_NUM_OP_FLAGS; i++)
|
|
{
|
|
if (Flags & FlagBit)
|
|
{
|
|
DbgPrint (OutputLevel, " %s", Gbl_OpFlagNames[i]);
|
|
}
|
|
|
|
FlagBit <<= 1;
|
|
}
|
|
}
|