1061 lines
28 KiB
C
1061 lines
28 KiB
C
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/******************************************************************************
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*
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* Module Name: aslutils -- compiler utilities
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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 - 2010, 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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#include "aslcompiler.h"
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#include "aslcompiler.y.h"
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#include "acnamesp.h"
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#include "amlcode.h"
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("aslutils")
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#ifdef _USE_BERKELEY_YACC
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extern const char * const AslCompilername[];
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static const char * const *yytname = &AslCompilername[254];
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#else
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extern const char * const yytname[];
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#endif
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char HexLookup[] =
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{
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'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'
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};
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/* Local prototypes */
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static ACPI_STATUS
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UtStrtoul64 (
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char *String,
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UINT32 Base,
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UINT64 *RetInteger);
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static void
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UtPadNameWithUnderscores (
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char *NameSeg,
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char *PaddedNameSeg);
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static void
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UtAttachNameseg (
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ACPI_PARSE_OBJECT *Op,
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char *Name);
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/*******************************************************************************
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*
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* FUNCTION: AcpiPsDisplayConstantOpcodes
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*
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* PARAMETERS: None
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*
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* RETURN: None
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*
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* DESCRIPTION: Print AML opcodes that can be used in constant expressions.
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*
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******************************************************************************/
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void
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UtDisplayConstantOpcodes (
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void)
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{
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UINT32 i;
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printf ("Constant expression opcode information\n\n");
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for (i = 0; i < sizeof (AcpiGbl_AmlOpInfo) / sizeof (ACPI_OPCODE_INFO); i++)
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{
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if (AcpiGbl_AmlOpInfo[i].Flags & AML_CONSTANT)
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{
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printf ("%s\n", AcpiGbl_AmlOpInfo[i].Name);
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}
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: UtLocalCalloc
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*
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* PARAMETERS: Size - Bytes to be allocated
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*
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* RETURN: Pointer to the allocated memory. Guaranteed to be valid.
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*
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* DESCRIPTION: Allocate zero-initialized memory. Aborts the compile on an
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* allocation failure, on the assumption that nothing more can be
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* accomplished.
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*
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******************************************************************************/
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void *
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UtLocalCalloc (
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UINT32 Size)
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{
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void *Allocated;
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Allocated = ACPI_ALLOCATE_ZEROED (Size);
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if (!Allocated)
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{
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AslCommonError (ASL_ERROR, ASL_MSG_MEMORY_ALLOCATION,
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Gbl_CurrentLineNumber, Gbl_LogicalLineNumber,
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Gbl_InputByteCount, Gbl_CurrentColumn,
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Gbl_Files[ASL_FILE_INPUT].Filename, NULL);
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exit (1);
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}
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TotalAllocations++;
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TotalAllocated += Size;
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return (Allocated);
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}
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/*******************************************************************************
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*
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* FUNCTION: UtBeginEvent
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*
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* PARAMETERS: Name - Ascii name of this event
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*
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* RETURN: Event - Event number (integer index)
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*
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* DESCRIPTION: Saves the current time with this event
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*
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******************************************************************************/
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UINT8
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UtBeginEvent (
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char *Name)
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{
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if (AslGbl_NextEvent >= ASL_NUM_EVENTS)
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{
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AcpiOsPrintf ("Ran out of compiler event structs!\n");
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return (AslGbl_NextEvent);
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}
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/* Init event with current (start) time */
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AslGbl_Events[AslGbl_NextEvent].StartTime = AcpiOsGetTimer ();
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AslGbl_Events[AslGbl_NextEvent].EventName = Name;
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AslGbl_Events[AslGbl_NextEvent].Valid = TRUE;
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return (AslGbl_NextEvent++);
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}
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/*******************************************************************************
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*
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* FUNCTION: UtEndEvent
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*
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* PARAMETERS: Event - Event number (integer index)
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*
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* RETURN: None
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*
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* DESCRIPTION: Saves the current time (end time) with this event
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*
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******************************************************************************/
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void
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UtEndEvent (
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UINT8 Event)
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{
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if (Event >= ASL_NUM_EVENTS)
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{
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return;
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}
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/* Insert end time for event */
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AslGbl_Events[Event].EndTime = AcpiOsGetTimer ();
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}
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/*******************************************************************************
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*
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* FUNCTION: UtHexCharToValue
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*
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* PARAMETERS: HexChar - Hex character in Ascii
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*
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* RETURN: The binary value of the hex character
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*
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* DESCRIPTION: Perform ascii-to-hex translation
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*
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******************************************************************************/
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UINT8
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UtHexCharToValue (
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int HexChar)
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{
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if (HexChar <= 0x39)
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{
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return ((UINT8) (HexChar - 0x30));
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}
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if (HexChar <= 0x46)
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{
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return ((UINT8) (HexChar - 0x37));
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}
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return ((UINT8) (HexChar - 0x57));
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}
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/*******************************************************************************
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*
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* FUNCTION: UtConvertByteToHex
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*
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* PARAMETERS: RawByte - Binary data
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* Buffer - Pointer to where the hex bytes will be stored
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*
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* RETURN: Ascii hex byte is stored in Buffer.
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*
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* DESCRIPTION: Perform hex-to-ascii translation. The return data is prefixed
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* with "0x"
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*
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******************************************************************************/
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void
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UtConvertByteToHex (
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UINT8 RawByte,
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UINT8 *Buffer)
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{
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Buffer[0] = '0';
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Buffer[1] = 'x';
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Buffer[2] = (UINT8) HexLookup[(RawByte >> 4) & 0xF];
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Buffer[3] = (UINT8) HexLookup[RawByte & 0xF];
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}
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/*******************************************************************************
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*
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* FUNCTION: UtConvertByteToAsmHex
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*
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* PARAMETERS: RawByte - Binary data
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* Buffer - Pointer to where the hex bytes will be stored
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*
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* RETURN: Ascii hex byte is stored in Buffer.
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*
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* DESCRIPTION: Perform hex-to-ascii translation. The return data is prefixed
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* with "0x"
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*
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******************************************************************************/
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void
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UtConvertByteToAsmHex (
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UINT8 RawByte,
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UINT8 *Buffer)
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{
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Buffer[0] = '0';
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Buffer[1] = (UINT8) HexLookup[(RawByte >> 4) & 0xF];
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Buffer[2] = (UINT8) HexLookup[RawByte & 0xF];
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Buffer[3] = 'h';
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}
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|
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/*******************************************************************************
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*
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* FUNCTION: DbgPrint
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*
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* PARAMETERS: Type - Type of output
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* Fmt - Printf format string
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* ... - variable printf list
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*
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* RETURN: None
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*
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* DESCRIPTION: Conditional print statement. Prints to stderr only if the
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* debug flag is set.
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*
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******************************************************************************/
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void
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DbgPrint (
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UINT32 Type,
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char *Fmt,
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...)
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{
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va_list Args;
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va_start (Args, Fmt);
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if (!Gbl_DebugFlag)
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{
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return;
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}
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if ((Type == ASL_PARSE_OUTPUT) &&
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(!(AslCompilerdebug)))
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{
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return;
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}
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(void) vfprintf (stderr, Fmt, Args);
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va_end (Args);
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return;
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}
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|
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/*******************************************************************************
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*
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* FUNCTION: UtPrintFormattedName
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*
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* PARAMETERS: ParseOpcode - Parser keyword ID
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* Level - Indentation level
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*
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* RETURN: None
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*
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* DESCRIPTION: Print the ascii name of the parse opcode.
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*
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******************************************************************************/
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#define TEXT_OFFSET 10
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void
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UtPrintFormattedName (
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UINT16 ParseOpcode,
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UINT32 Level)
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{
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|
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if (Level)
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{
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DbgPrint (ASL_TREE_OUTPUT,
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"%*s", (3 * Level), " ");
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}
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DbgPrint (ASL_TREE_OUTPUT,
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" %-20.20s", UtGetOpName (ParseOpcode));
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if (Level < TEXT_OFFSET)
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{
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DbgPrint (ASL_TREE_OUTPUT,
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"%*s", (TEXT_OFFSET - Level) * 3, " ");
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}
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}
|
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|
|
|
|
/*******************************************************************************
|
|
*
|
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* FUNCTION: UtSetParseOpName
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|
*
|
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* PARAMETERS: Op
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*
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|
* RETURN: None
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*
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* DESCRIPTION: Insert the ascii name of the parse opcode
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*
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|
******************************************************************************/
|
|
|
|
void
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UtSetParseOpName (
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ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
|
|
strncpy (Op->Asl.ParseOpName, UtGetOpName (Op->Asl.ParseOpcode),
|
|
ACPI_MAX_PARSEOP_NAME);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: UtGetOpName
|
|
*
|
|
* PARAMETERS: ParseOpcode - Parser keyword ID
|
|
*
|
|
* RETURN: Pointer to the opcode name
|
|
*
|
|
* DESCRIPTION: Get the ascii name of the parse opcode
|
|
*
|
|
******************************************************************************/
|
|
|
|
char *
|
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UtGetOpName (
|
|
UINT32 ParseOpcode)
|
|
{
|
|
|
|
/*
|
|
* First entries (ASL_YYTNAME_START) in yytname are special reserved names.
|
|
* Ignore first 8 characters of the name
|
|
*/
|
|
return ((char *) yytname
|
|
[(ParseOpcode - ASL_FIRST_PARSE_OPCODE) + ASL_YYTNAME_START] + 8);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: UtDisplaySummary
|
|
*
|
|
* PARAMETERS: FileID - ID of outpout file
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Display compilation statistics
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
UtDisplaySummary (
|
|
UINT32 FileId)
|
|
{
|
|
|
|
if (FileId != ASL_FILE_STDOUT)
|
|
{
|
|
/* Compiler name and version number */
|
|
|
|
FlPrintFile (FileId, "%s version %X [%s]\n",
|
|
CompilerId, (UINT32) ACPI_CA_VERSION, __DATE__);
|
|
}
|
|
|
|
/* Input/Output summary */
|
|
|
|
FlPrintFile (FileId,
|
|
"ASL Input: %s - %d lines, %d bytes, %d keywords\n",
|
|
Gbl_Files[ASL_FILE_INPUT].Filename, Gbl_CurrentLineNumber,
|
|
Gbl_InputByteCount, TotalKeywords);
|
|
|
|
/* AML summary */
|
|
|
|
if ((Gbl_ExceptionCount[ASL_ERROR] == 0) || (Gbl_IgnoreErrors))
|
|
{
|
|
FlPrintFile (FileId,
|
|
"AML Output: %s - %d bytes, %d named objects, %d executable opcodes\n\n",
|
|
Gbl_Files[ASL_FILE_AML_OUTPUT].Filename, Gbl_TableLength,
|
|
TotalNamedObjects, TotalExecutableOpcodes);
|
|
}
|
|
|
|
/* Error summary */
|
|
|
|
FlPrintFile (FileId,
|
|
"Compilation complete. %d Errors, %d Warnings, %d Remarks, %d Optimizations\n",
|
|
Gbl_ExceptionCount[ASL_ERROR],
|
|
Gbl_ExceptionCount[ASL_WARNING] +
|
|
Gbl_ExceptionCount[ASL_WARNING2] +
|
|
Gbl_ExceptionCount[ASL_WARNING3],
|
|
Gbl_ExceptionCount[ASL_REMARK],
|
|
Gbl_ExceptionCount[ASL_OPTIMIZATION]);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: UtDisplaySummary
|
|
*
|
|
* PARAMETERS: Op - Integer parse node
|
|
* LowValue - Smallest allowed value
|
|
* HighValue - Largest allowed value
|
|
*
|
|
* RETURN: Op if OK, otherwise NULL
|
|
*
|
|
* DESCRIPTION: Check integer for an allowable range
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_PARSE_OBJECT *
|
|
UtCheckIntegerRange (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 LowValue,
|
|
UINT32 HighValue)
|
|
{
|
|
char *ParseError = NULL;
|
|
char Buffer[64];
|
|
|
|
|
|
if (!Op)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
if (Op->Asl.Value.Integer < LowValue)
|
|
{
|
|
ParseError = "Value below valid range";
|
|
Op->Asl.Value.Integer = LowValue;
|
|
}
|
|
|
|
if (Op->Asl.Value.Integer > HighValue)
|
|
{
|
|
ParseError = "Value above valid range";
|
|
Op->Asl.Value.Integer = HighValue;
|
|
}
|
|
|
|
if (ParseError)
|
|
{
|
|
sprintf (Buffer, "%s 0x%X-0x%X", ParseError, LowValue, HighValue);
|
|
AslCompilererror (Buffer);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
return Op;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: UtGetStringBuffer
|
|
*
|
|
* PARAMETERS: Length - Size of buffer requested
|
|
*
|
|
* RETURN: Pointer to the buffer. Aborts on allocation failure
|
|
*
|
|
* DESCRIPTION: Allocate a string buffer. Bypass the local
|
|
* dynamic memory manager for performance reasons (This has a
|
|
* major impact on the speed of the compiler.)
|
|
*
|
|
******************************************************************************/
|
|
|
|
char *
|
|
UtGetStringBuffer (
|
|
UINT32 Length)
|
|
{
|
|
char *Buffer;
|
|
|
|
|
|
if ((Gbl_StringCacheNext + Length) >= Gbl_StringCacheLast)
|
|
{
|
|
Gbl_StringCacheNext = UtLocalCalloc (ASL_STRING_CACHE_SIZE + Length);
|
|
Gbl_StringCacheLast = Gbl_StringCacheNext + ASL_STRING_CACHE_SIZE +
|
|
Length;
|
|
}
|
|
|
|
Buffer = Gbl_StringCacheNext;
|
|
Gbl_StringCacheNext += Length;
|
|
|
|
return (Buffer);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: UtInternalizeName
|
|
*
|
|
* PARAMETERS: ExternalName - Name to convert
|
|
* ConvertedName - Where the converted name is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Convert an external (ASL) name to an internal (AML) name
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
UtInternalizeName (
|
|
char *ExternalName,
|
|
char **ConvertedName)
|
|
{
|
|
ACPI_NAMESTRING_INFO Info;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
if (!ExternalName)
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
/* Get the length of the new internal name */
|
|
|
|
Info.ExternalName = ExternalName;
|
|
AcpiNsGetInternalNameLength (&Info);
|
|
|
|
/* We need a segment to store the internal name */
|
|
|
|
Info.InternalName = UtGetStringBuffer (Info.Length);
|
|
if (!Info.InternalName)
|
|
{
|
|
return (AE_NO_MEMORY);
|
|
}
|
|
|
|
/* Build the name */
|
|
|
|
Status = AcpiNsBuildInternalName (&Info);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return (Status);
|
|
}
|
|
|
|
*ConvertedName = Info.InternalName;
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: UtPadNameWithUnderscores
|
|
*
|
|
* PARAMETERS: NameSeg - Input nameseg
|
|
* PaddedNameSeg - Output padded nameseg
|
|
*
|
|
* RETURN: Padded nameseg.
|
|
*
|
|
* DESCRIPTION: Pads a NameSeg with underscores if necessary to form a full
|
|
* ACPI_NAME.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
UtPadNameWithUnderscores (
|
|
char *NameSeg,
|
|
char *PaddedNameSeg)
|
|
{
|
|
UINT32 i;
|
|
|
|
|
|
for (i = 0; (i < ACPI_NAME_SIZE); i++)
|
|
{
|
|
if (*NameSeg)
|
|
{
|
|
*PaddedNameSeg = *NameSeg;
|
|
NameSeg++;
|
|
}
|
|
else
|
|
{
|
|
*PaddedNameSeg = '_';
|
|
}
|
|
PaddedNameSeg++;
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: UtAttachNameseg
|
|
*
|
|
* PARAMETERS: Op - Parent parse node
|
|
* Name - Full ExternalName
|
|
*
|
|
* RETURN: None; Sets the NameSeg field in parent node
|
|
*
|
|
* DESCRIPTION: Extract the last nameseg of the ExternalName and store it
|
|
* in the NameSeg field of the Op.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
UtAttachNameseg (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
char *Name)
|
|
{
|
|
char *NameSeg;
|
|
char PaddedNameSeg[4];
|
|
|
|
|
|
if (!Name)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* Look for the last dot in the namepath */
|
|
|
|
NameSeg = strrchr (Name, '.');
|
|
if (NameSeg)
|
|
{
|
|
/* Found last dot, we have also found the final nameseg */
|
|
|
|
NameSeg++;
|
|
UtPadNameWithUnderscores (NameSeg, PaddedNameSeg);
|
|
}
|
|
else
|
|
{
|
|
/* No dots in the namepath, there is only a single nameseg. */
|
|
/* Handle prefixes */
|
|
|
|
while ((*Name == '\\') || (*Name == '^'))
|
|
{
|
|
Name++;
|
|
}
|
|
|
|
/* Remaing string should be one single nameseg */
|
|
|
|
UtPadNameWithUnderscores (Name, PaddedNameSeg);
|
|
}
|
|
|
|
strncpy (Op->Asl.NameSeg, PaddedNameSeg, 4);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: UtAttachNamepathToOwner
|
|
*
|
|
* PARAMETERS: Op - Parent parse node
|
|
* NameOp - Node that contains the name
|
|
*
|
|
* RETURN: Sets the ExternalName and Namepath in the parent node
|
|
*
|
|
* DESCRIPTION: Store the name in two forms in the parent node: The original
|
|
* (external) name, and the internalized name that is used within
|
|
* the ACPI namespace manager.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
UtAttachNamepathToOwner (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
ACPI_PARSE_OBJECT *NameOp)
|
|
{
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
/* Full external path */
|
|
|
|
Op->Asl.ExternalName = NameOp->Asl.Value.String;
|
|
|
|
/* Save the NameOp for possible error reporting later */
|
|
|
|
Op->Asl.ParentMethod = (void *) NameOp;
|
|
|
|
/* Last nameseg of the path */
|
|
|
|
UtAttachNameseg (Op, Op->Asl.ExternalName);
|
|
|
|
/* Create internalized path */
|
|
|
|
Status = UtInternalizeName (NameOp->Asl.Value.String, &Op->Asl.Namepath);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/* TBD: abort on no memory */
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: UtDoConstant
|
|
*
|
|
* PARAMETERS: String - Hex, Octal, or Decimal string
|
|
*
|
|
* RETURN: Converted Integer
|
|
*
|
|
* DESCRIPTION: Convert a string to an integer. With error checking.
|
|
*
|
|
******************************************************************************/
|
|
|
|
UINT64
|
|
UtDoConstant (
|
|
char *String)
|
|
{
|
|
ACPI_STATUS Status;
|
|
UINT64 Converted;
|
|
char ErrBuf[64];
|
|
|
|
|
|
Status = UtStrtoul64 (String, 0, &Converted);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
sprintf (ErrBuf, "%s %s\n", "Conversion error:",
|
|
AcpiFormatException (Status));
|
|
AslCompilererror (ErrBuf);
|
|
}
|
|
|
|
return (Converted);
|
|
}
|
|
|
|
|
|
/* TBD: use version in ACPI CA main code base? */
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: UtStrtoul64
|
|
*
|
|
* PARAMETERS: String - Null terminated string
|
|
* Terminater - Where a pointer to the terminating byte is
|
|
* returned
|
|
* Base - Radix of the string
|
|
*
|
|
* RETURN: Converted value
|
|
*
|
|
* DESCRIPTION: Convert a string into an unsigned value.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
UtStrtoul64 (
|
|
char *String,
|
|
UINT32 Base,
|
|
UINT64 *RetInteger)
|
|
{
|
|
UINT32 Index;
|
|
UINT32 Sign;
|
|
UINT64 ReturnValue = 0;
|
|
ACPI_STATUS Status = AE_OK;
|
|
|
|
|
|
*RetInteger = 0;
|
|
|
|
switch (Base)
|
|
{
|
|
case 0:
|
|
case 8:
|
|
case 10:
|
|
case 16:
|
|
break;
|
|
|
|
default:
|
|
/*
|
|
* The specified Base parameter is not in the domain of
|
|
* this function:
|
|
*/
|
|
return (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
/* Skip over any white space in the buffer: */
|
|
|
|
while (isspace ((int) *String) || *String == '\t')
|
|
{
|
|
++String;
|
|
}
|
|
|
|
/*
|
|
* The buffer may contain an optional plus or minus sign.
|
|
* If it does, then skip over it but remember what is was:
|
|
*/
|
|
if (*String == '-')
|
|
{
|
|
Sign = NEGATIVE;
|
|
++String;
|
|
}
|
|
else if (*String == '+')
|
|
{
|
|
++String;
|
|
Sign = POSITIVE;
|
|
}
|
|
else
|
|
{
|
|
Sign = POSITIVE;
|
|
}
|
|
|
|
/*
|
|
* If the input parameter Base is zero, then we need to
|
|
* determine if it is octal, decimal, or hexadecimal:
|
|
*/
|
|
if (Base == 0)
|
|
{
|
|
if (*String == '0')
|
|
{
|
|
if (tolower ((int) *(++String)) == 'x')
|
|
{
|
|
Base = 16;
|
|
++String;
|
|
}
|
|
else
|
|
{
|
|
Base = 8;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Base = 10;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* For octal and hexadecimal bases, skip over the leading
|
|
* 0 or 0x, if they are present.
|
|
*/
|
|
if (Base == 8 && *String == '0')
|
|
{
|
|
String++;
|
|
}
|
|
|
|
if (Base == 16 &&
|
|
*String == '0' &&
|
|
tolower ((int) *(++String)) == 'x')
|
|
{
|
|
String++;
|
|
}
|
|
|
|
/* Main loop: convert the string to an unsigned long */
|
|
|
|
while (*String)
|
|
{
|
|
if (isdigit ((int) *String))
|
|
{
|
|
Index = ((UINT8) *String) - '0';
|
|
}
|
|
else
|
|
{
|
|
Index = (UINT8) toupper ((int) *String);
|
|
if (isupper ((int) Index))
|
|
{
|
|
Index = Index - 'A' + 10;
|
|
}
|
|
else
|
|
{
|
|
goto ErrorExit;
|
|
}
|
|
}
|
|
|
|
if (Index >= Base)
|
|
{
|
|
goto ErrorExit;
|
|
}
|
|
|
|
/* Check to see if value is out of range: */
|
|
|
|
if (ReturnValue > ((ACPI_UINT64_MAX - (UINT64) Index) /
|
|
(UINT64) Base))
|
|
{
|
|
goto ErrorExit;
|
|
}
|
|
else
|
|
{
|
|
ReturnValue *= Base;
|
|
ReturnValue += Index;
|
|
}
|
|
|
|
++String;
|
|
}
|
|
|
|
|
|
/* If a minus sign was present, then "the conversion is negated": */
|
|
|
|
if (Sign == NEGATIVE)
|
|
{
|
|
ReturnValue = (ACPI_UINT32_MAX - ReturnValue) + 1;
|
|
}
|
|
|
|
*RetInteger = ReturnValue;
|
|
return (Status);
|
|
|
|
|
|
ErrorExit:
|
|
switch (Base)
|
|
{
|
|
case 8:
|
|
Status = AE_BAD_OCTAL_CONSTANT;
|
|
break;
|
|
|
|
case 10:
|
|
Status = AE_BAD_DECIMAL_CONSTANT;
|
|
break;
|
|
|
|
case 16:
|
|
Status = AE_BAD_HEX_CONSTANT;
|
|
break;
|
|
|
|
default:
|
|
/* Base validated above */
|
|
break;
|
|
}
|
|
|
|
return (Status);
|
|
}
|
|
|
|
|