1b96d500fb
branch but we need to work out a different interface with the vendor.
1313 lines
36 KiB
C
1313 lines
36 KiB
C
/*******************************************************************************
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|
*
|
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* Module Name: utmisc - common utility procedures
|
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* $Revision: 1.151 $
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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 - 2007, Intel Corp.
|
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* All rights reserved.
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*
|
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* 2. License
|
|
*
|
|
* 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
|
|
* 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
|
|
* patents that are infringed by the Original Intel Code, to make, use, sell,
|
|
* offer to sell, and import the Covered Code and derivative works thereof
|
|
* solely to the minimum extent necessary to exercise the above copyright
|
|
* license, and in no event shall the patent license extend to any additions
|
|
* to or modifications of the Original Intel Code. No other license or right
|
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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
|
|
* 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.
|
|
* Redistribution of source code of any substantial portion of the Covered
|
|
* Code or modification with rights to further distribute source must include
|
|
* the above Copyright Notice, the above License, this list of Conditions,
|
|
* and the following Disclaimer and Export Compliance provision. In addition,
|
|
* Licensee must cause all Covered Code to which Licensee contributes to
|
|
* contain a file documenting the changes Licensee made to create that Covered
|
|
* Code and the date of any change. Licensee must include in that file the
|
|
* documentation of any changes made by any predecessor Licensee. Licensee
|
|
* must include a prominent statement that the modification is derived,
|
|
* directly or indirectly, from Original Intel Code.
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|
*
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|
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
|
|
* Redistribution of source code of any substantial portion of the Covered
|
|
* Code or modification without rights to further distribute source must
|
|
* include the following Disclaimer and Export Compliance provision in the
|
|
* documentation and/or other materials provided with distribution. In
|
|
* addition, Licensee may not authorize further sublicense of source of any
|
|
* portion of the Covered Code, and must include terms to the effect that the
|
|
* license from Licensee to its licensee is limited to the intellectual
|
|
* property embodied in the software Licensee provides to its licensee, and
|
|
* not to intellectual property embodied in modifications its licensee may
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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
|
|
* above Copyright Notice, and the following Disclaimer and Export Compliance
|
|
* 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,
|
|
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
|
|
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
|
|
* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
|
|
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
|
|
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
|
|
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
|
|
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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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
|
|
* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
|
|
* software or system incorporating such software without first obtaining any
|
|
* required license or other approval from the U. S. Department of Commerce or
|
|
* any other agency or department of the United States Government. In the
|
|
* event Licensee exports any such software from the United States or
|
|
* re-exports any such software from a foreign destination, Licensee shall
|
|
* ensure that the distribution and export/re-export of the software is in
|
|
* compliance with all laws, regulations, orders, or other restrictions of the
|
|
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
|
|
* any of its subsidiaries will export/re-export any technical data, process,
|
|
* software, or service, directly or indirectly, to any country for which the
|
|
* United States government or any agency thereof requires an export license,
|
|
* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#define __UTMISC_C__
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#include <contrib/dev/acpica/acpi.h>
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#include <contrib/dev/acpica/acnamesp.h>
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#define _COMPONENT ACPI_UTILITIES
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ACPI_MODULE_NAME ("utmisc")
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|
|
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|
/*******************************************************************************
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*
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|
* FUNCTION: AcpiUtValidateException
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*
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|
* PARAMETERS: Status - The ACPI_STATUS code to be formatted
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*
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|
* RETURN: A string containing the exception text. NULL if exception is
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* not valid.
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*
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* DESCRIPTION: This function validates and translates an ACPI exception into
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* an ASCII string.
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*
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******************************************************************************/
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const char *
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AcpiUtValidateException (
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ACPI_STATUS Status)
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{
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ACPI_STATUS SubStatus;
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const char *Exception = NULL;
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|
|
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ACPI_FUNCTION_ENTRY ();
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|
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/*
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* Status is composed of two parts, a "type" and an actual code
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*/
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SubStatus = (Status & ~AE_CODE_MASK);
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|
switch (Status & AE_CODE_MASK)
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{
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case AE_CODE_ENVIRONMENTAL:
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if (SubStatus <= AE_CODE_ENV_MAX)
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{
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Exception = AcpiGbl_ExceptionNames_Env [SubStatus];
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}
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break;
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case AE_CODE_PROGRAMMER:
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if (SubStatus <= AE_CODE_PGM_MAX)
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{
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Exception = AcpiGbl_ExceptionNames_Pgm [SubStatus -1];
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}
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break;
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case AE_CODE_ACPI_TABLES:
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if (SubStatus <= AE_CODE_TBL_MAX)
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{
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Exception = AcpiGbl_ExceptionNames_Tbl [SubStatus -1];
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}
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break;
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|
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case AE_CODE_AML:
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if (SubStatus <= AE_CODE_AML_MAX)
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{
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Exception = AcpiGbl_ExceptionNames_Aml [SubStatus -1];
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|
}
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break;
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|
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case AE_CODE_CONTROL:
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|
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|
if (SubStatus <= AE_CODE_CTRL_MAX)
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|
{
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|
Exception = AcpiGbl_ExceptionNames_Ctrl [SubStatus -1];
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|
}
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|
break;
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|
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|
default:
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|
break;
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|
}
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|
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|
return (ACPI_CAST_PTR (const char, Exception));
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|
}
|
|
|
|
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|
/*******************************************************************************
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|
*
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|
* FUNCTION: AcpiUtIsAmlTable
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*
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|
* PARAMETERS: Table - An ACPI table
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|
*
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|
* RETURN: TRUE if table contains executable AML; FALSE otherwise
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*
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|
* DESCRIPTION: Check ACPI Signature for a table that contains AML code.
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|
* Currently, these are DSDT,SSDT,PSDT. All other table types are
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* data tables that do not contain AML code.
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*
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******************************************************************************/
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BOOLEAN
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AcpiUtIsAmlTable (
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ACPI_TABLE_HEADER *Table)
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{
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|
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/* These are the only tables that contain executable AML */
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if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT) ||
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ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_PSDT) ||
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ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_SSDT))
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|
{
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|
return (TRUE);
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|
}
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|
|
|
return (FALSE);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
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*
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|
* FUNCTION: AcpiUtAllocateOwnerId
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|
*
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|
* PARAMETERS: OwnerId - Where the new owner ID is returned
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|
*
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|
* RETURN: Status
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|
*
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|
* DESCRIPTION: Allocate a table or method owner ID. The owner ID is used to
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|
* track objects created by the table or method, to be deleted
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|
* when the method exits or the table is unloaded.
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*
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|
******************************************************************************/
|
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|
ACPI_STATUS
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AcpiUtAllocateOwnerId (
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|
ACPI_OWNER_ID *OwnerId)
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|
{
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|
ACPI_NATIVE_UINT i;
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|
ACPI_NATIVE_UINT j;
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|
ACPI_NATIVE_UINT k;
|
|
ACPI_STATUS Status;
|
|
|
|
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ACPI_FUNCTION_TRACE (UtAllocateOwnerId);
|
|
|
|
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|
/* Guard against multiple allocations of ID to the same location */
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|
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|
if (*OwnerId)
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|
{
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|
ACPI_ERROR ((AE_INFO, "Owner ID [%2.2X] already exists", *OwnerId));
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|
return_ACPI_STATUS (AE_ALREADY_EXISTS);
|
|
}
|
|
|
|
/* Mutex for the global ID mask */
|
|
|
|
Status = AcpiUtAcquireMutex (ACPI_MTX_CACHES);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/*
|
|
* Find a free owner ID, cycle through all possible IDs on repeated
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|
* allocations. (ACPI_NUM_OWNERID_MASKS + 1) because first index may have
|
|
* to be scanned twice.
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|
*/
|
|
for (i = 0, j = AcpiGbl_LastOwnerIdIndex;
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|
i < (ACPI_NUM_OWNERID_MASKS + 1);
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|
i++, j++)
|
|
{
|
|
if (j >= ACPI_NUM_OWNERID_MASKS)
|
|
{
|
|
j = 0; /* Wraparound to start of mask array */
|
|
}
|
|
|
|
for (k = AcpiGbl_NextOwnerIdOffset; k < 32; k++)
|
|
{
|
|
if (AcpiGbl_OwnerIdMask[j] == ACPI_UINT32_MAX)
|
|
{
|
|
/* There are no free IDs in this mask */
|
|
|
|
break;
|
|
}
|
|
|
|
if (!(AcpiGbl_OwnerIdMask[j] & (1 << k)))
|
|
{
|
|
/*
|
|
* Found a free ID. The actual ID is the bit index plus one,
|
|
* making zero an invalid Owner ID. Save this as the last ID
|
|
* allocated and update the global ID mask.
|
|
*/
|
|
AcpiGbl_OwnerIdMask[j] |= (1 << k);
|
|
|
|
AcpiGbl_LastOwnerIdIndex = (UINT8) j;
|
|
AcpiGbl_NextOwnerIdOffset = (UINT8) (k + 1);
|
|
|
|
/*
|
|
* Construct encoded ID from the index and bit position
|
|
*
|
|
* Note: Last [j].k (bit 255) is never used and is marked
|
|
* permanently allocated (prevents +1 overflow)
|
|
*/
|
|
*OwnerId = (ACPI_OWNER_ID) ((k + 1) + ACPI_MUL_32 (j));
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_VALUES,
|
|
"Allocated OwnerId: %2.2X\n", (unsigned int) *OwnerId));
|
|
goto Exit;
|
|
}
|
|
}
|
|
|
|
AcpiGbl_NextOwnerIdOffset = 0;
|
|
}
|
|
|
|
/*
|
|
* All OwnerIds have been allocated. This typically should
|
|
* not happen since the IDs are reused after deallocation. The IDs are
|
|
* allocated upon table load (one per table) and method execution, and
|
|
* they are released when a table is unloaded or a method completes
|
|
* execution.
|
|
*
|
|
* If this error happens, there may be very deep nesting of invoked control
|
|
* methods, or there may be a bug where the IDs are not released.
|
|
*/
|
|
Status = AE_OWNER_ID_LIMIT;
|
|
ACPI_ERROR ((AE_INFO,
|
|
"Could not allocate new OwnerId (255 max), AE_OWNER_ID_LIMIT"));
|
|
|
|
Exit:
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtReleaseOwnerId
|
|
*
|
|
* PARAMETERS: OwnerIdPtr - Pointer to a previously allocated OwnerID
|
|
*
|
|
* RETURN: None. No error is returned because we are either exiting a
|
|
* control method or unloading a table. Either way, we would
|
|
* ignore any error anyway.
|
|
*
|
|
* DESCRIPTION: Release a table or method owner ID. Valid IDs are 1 - 255
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiUtReleaseOwnerId (
|
|
ACPI_OWNER_ID *OwnerIdPtr)
|
|
{
|
|
ACPI_OWNER_ID OwnerId = *OwnerIdPtr;
|
|
ACPI_STATUS Status;
|
|
ACPI_NATIVE_UINT Index;
|
|
UINT32 Bit;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE_U32 (UtReleaseOwnerId, OwnerId);
|
|
|
|
|
|
/* Always clear the input OwnerId (zero is an invalid ID) */
|
|
|
|
*OwnerIdPtr = 0;
|
|
|
|
/* Zero is not a valid OwnerID */
|
|
|
|
if (OwnerId == 0)
|
|
{
|
|
ACPI_ERROR ((AE_INFO, "Invalid OwnerId: %2.2X", OwnerId));
|
|
return_VOID;
|
|
}
|
|
|
|
/* Mutex for the global ID mask */
|
|
|
|
Status = AcpiUtAcquireMutex (ACPI_MTX_CACHES);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_VOID;
|
|
}
|
|
|
|
/* Normalize the ID to zero */
|
|
|
|
OwnerId--;
|
|
|
|
/* Decode ID to index/offset pair */
|
|
|
|
Index = ACPI_DIV_32 (OwnerId);
|
|
Bit = 1 << ACPI_MOD_32 (OwnerId);
|
|
|
|
/* Free the owner ID only if it is valid */
|
|
|
|
if (AcpiGbl_OwnerIdMask[Index] & Bit)
|
|
{
|
|
AcpiGbl_OwnerIdMask[Index] ^= Bit;
|
|
}
|
|
else
|
|
{
|
|
ACPI_ERROR ((AE_INFO,
|
|
"Release of non-allocated OwnerId: %2.2X", OwnerId + 1));
|
|
}
|
|
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
|
|
return_VOID;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtStrupr (strupr)
|
|
*
|
|
* PARAMETERS: SrcString - The source string to convert
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Convert string to uppercase
|
|
*
|
|
* NOTE: This is not a POSIX function, so it appears here, not in utclib.c
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiUtStrupr (
|
|
char *SrcString)
|
|
{
|
|
char *String;
|
|
|
|
|
|
ACPI_FUNCTION_ENTRY ();
|
|
|
|
|
|
if (!SrcString)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* Walk entire string, uppercasing the letters */
|
|
|
|
for (String = SrcString; *String; String++)
|
|
{
|
|
*String = (char) ACPI_TOUPPER (*String);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtPrintString
|
|
*
|
|
* PARAMETERS: String - Null terminated ASCII string
|
|
* MaxLength - Maximum output length
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Dump an ASCII string with support for ACPI-defined escape
|
|
* sequences.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiUtPrintString (
|
|
char *String,
|
|
UINT8 MaxLength)
|
|
{
|
|
UINT32 i;
|
|
|
|
|
|
if (!String)
|
|
{
|
|
AcpiOsPrintf ("<\"NULL STRING PTR\">");
|
|
return;
|
|
}
|
|
|
|
AcpiOsPrintf ("\"");
|
|
for (i = 0; String[i] && (i < MaxLength); i++)
|
|
{
|
|
/* Escape sequences */
|
|
|
|
switch (String[i])
|
|
{
|
|
case 0x07:
|
|
AcpiOsPrintf ("\\a"); /* BELL */
|
|
break;
|
|
|
|
case 0x08:
|
|
AcpiOsPrintf ("\\b"); /* BACKSPACE */
|
|
break;
|
|
|
|
case 0x0C:
|
|
AcpiOsPrintf ("\\f"); /* FORMFEED */
|
|
break;
|
|
|
|
case 0x0A:
|
|
AcpiOsPrintf ("\\n"); /* LINEFEED */
|
|
break;
|
|
|
|
case 0x0D:
|
|
AcpiOsPrintf ("\\r"); /* CARRIAGE RETURN*/
|
|
break;
|
|
|
|
case 0x09:
|
|
AcpiOsPrintf ("\\t"); /* HORIZONTAL TAB */
|
|
break;
|
|
|
|
case 0x0B:
|
|
AcpiOsPrintf ("\\v"); /* VERTICAL TAB */
|
|
break;
|
|
|
|
case '\'': /* Single Quote */
|
|
case '\"': /* Double Quote */
|
|
case '\\': /* Backslash */
|
|
AcpiOsPrintf ("\\%c", (int) String[i]);
|
|
break;
|
|
|
|
default:
|
|
|
|
/* Check for printable character or hex escape */
|
|
|
|
if (ACPI_IS_PRINT (String[i]))
|
|
{
|
|
/* This is a normal character */
|
|
|
|
AcpiOsPrintf ("%c", (int) String[i]);
|
|
}
|
|
else
|
|
{
|
|
/* All others will be Hex escapes */
|
|
|
|
AcpiOsPrintf ("\\x%2.2X", (INT32) String[i]);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
AcpiOsPrintf ("\"");
|
|
|
|
if (i == MaxLength && String[i])
|
|
{
|
|
AcpiOsPrintf ("...");
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtDwordByteSwap
|
|
*
|
|
* PARAMETERS: Value - Value to be converted
|
|
*
|
|
* RETURN: UINT32 integer with bytes swapped
|
|
*
|
|
* DESCRIPTION: Convert a 32-bit value to big-endian (swap the bytes)
|
|
*
|
|
******************************************************************************/
|
|
|
|
UINT32
|
|
AcpiUtDwordByteSwap (
|
|
UINT32 Value)
|
|
{
|
|
union
|
|
{
|
|
UINT32 Value;
|
|
UINT8 Bytes[4];
|
|
} Out;
|
|
union
|
|
{
|
|
UINT32 Value;
|
|
UINT8 Bytes[4];
|
|
} In;
|
|
|
|
|
|
ACPI_FUNCTION_ENTRY ();
|
|
|
|
|
|
In.Value = Value;
|
|
|
|
Out.Bytes[0] = In.Bytes[3];
|
|
Out.Bytes[1] = In.Bytes[2];
|
|
Out.Bytes[2] = In.Bytes[1];
|
|
Out.Bytes[3] = In.Bytes[0];
|
|
|
|
return (Out.Value);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtSetIntegerWidth
|
|
*
|
|
* PARAMETERS: Revision From DSDT header
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Set the global integer bit width based upon the revision
|
|
* of the DSDT. For Revision 1 and 0, Integers are 32 bits.
|
|
* For Revision 2 and above, Integers are 64 bits. Yes, this
|
|
* makes a difference.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiUtSetIntegerWidth (
|
|
UINT8 Revision)
|
|
{
|
|
|
|
if (Revision < 2)
|
|
{
|
|
/* 32-bit case */
|
|
|
|
AcpiGbl_IntegerBitWidth = 32;
|
|
AcpiGbl_IntegerNybbleWidth = 8;
|
|
AcpiGbl_IntegerByteWidth = 4;
|
|
}
|
|
else
|
|
{
|
|
/* 64-bit case (ACPI 2.0+) */
|
|
|
|
AcpiGbl_IntegerBitWidth = 64;
|
|
AcpiGbl_IntegerNybbleWidth = 16;
|
|
AcpiGbl_IntegerByteWidth = 8;
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef ACPI_DEBUG_OUTPUT
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtDisplayInitPathname
|
|
*
|
|
* PARAMETERS: Type - Object type of the node
|
|
* ObjHandle - Handle whose pathname will be displayed
|
|
* Path - Additional path string to be appended.
|
|
* (NULL if no extra path)
|
|
*
|
|
* RETURN: ACPI_STATUS
|
|
*
|
|
* DESCRIPTION: Display full pathname of an object, DEBUG ONLY
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiUtDisplayInitPathname (
|
|
UINT8 Type,
|
|
ACPI_NAMESPACE_NODE *ObjHandle,
|
|
char *Path)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_BUFFER Buffer;
|
|
|
|
|
|
ACPI_FUNCTION_ENTRY ();
|
|
|
|
|
|
/* Only print the path if the appropriate debug level is enabled */
|
|
|
|
if (!(AcpiDbgLevel & ACPI_LV_INIT_NAMES))
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* Get the full pathname to the node */
|
|
|
|
Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
|
|
Status = AcpiNsHandleToPathname (ObjHandle, &Buffer);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* Print what we're doing */
|
|
|
|
switch (Type)
|
|
{
|
|
case ACPI_TYPE_METHOD:
|
|
AcpiOsPrintf ("Executing ");
|
|
break;
|
|
|
|
default:
|
|
AcpiOsPrintf ("Initializing ");
|
|
break;
|
|
}
|
|
|
|
/* Print the object type and pathname */
|
|
|
|
AcpiOsPrintf ("%-12s %s",
|
|
AcpiUtGetTypeName (Type), (char *) Buffer.Pointer);
|
|
|
|
/* Extra path is used to append names like _STA, _INI, etc. */
|
|
|
|
if (Path)
|
|
{
|
|
AcpiOsPrintf (".%s", Path);
|
|
}
|
|
AcpiOsPrintf ("\n");
|
|
|
|
ACPI_FREE (Buffer.Pointer);
|
|
}
|
|
#endif
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtValidAcpiChar
|
|
*
|
|
* PARAMETERS: Char - The character to be examined
|
|
* Position - Byte position (0-3)
|
|
*
|
|
* RETURN: TRUE if the character is valid, FALSE otherwise
|
|
*
|
|
* DESCRIPTION: Check for a valid ACPI character. Must be one of:
|
|
* 1) Upper case alpha
|
|
* 2) numeric
|
|
* 3) underscore
|
|
*
|
|
* We allow a '!' as the last character because of the ASF! table
|
|
*
|
|
******************************************************************************/
|
|
|
|
BOOLEAN
|
|
AcpiUtValidAcpiChar (
|
|
char Character,
|
|
ACPI_NATIVE_UINT Position)
|
|
{
|
|
|
|
if (!((Character >= 'A' && Character <= 'Z') ||
|
|
(Character >= '0' && Character <= '9') ||
|
|
(Character == '_')))
|
|
{
|
|
/* Allow a '!' in the last position */
|
|
|
|
if (Character == '!' && Position == 3)
|
|
{
|
|
return (TRUE);
|
|
}
|
|
|
|
return (FALSE);
|
|
}
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtValidAcpiName
|
|
*
|
|
* PARAMETERS: Name - The name to be examined
|
|
*
|
|
* RETURN: TRUE if the name is valid, FALSE otherwise
|
|
*
|
|
* DESCRIPTION: Check for a valid ACPI name. Each character must be one of:
|
|
* 1) Upper case alpha
|
|
* 2) numeric
|
|
* 3) underscore
|
|
*
|
|
******************************************************************************/
|
|
|
|
BOOLEAN
|
|
AcpiUtValidAcpiName (
|
|
UINT32 Name)
|
|
{
|
|
ACPI_NATIVE_UINT i;
|
|
|
|
|
|
ACPI_FUNCTION_ENTRY ();
|
|
|
|
|
|
for (i = 0; i < ACPI_NAME_SIZE; i++)
|
|
{
|
|
if (!AcpiUtValidAcpiChar ((ACPI_CAST_PTR (char, &Name))[i], i))
|
|
{
|
|
return (FALSE);
|
|
}
|
|
}
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtRepairName
|
|
*
|
|
* PARAMETERS: Name - The ACPI name to be repaired
|
|
*
|
|
* RETURN: Repaired version of the name
|
|
*
|
|
* DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and
|
|
* return the new name.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_NAME
|
|
AcpiUtRepairName (
|
|
char *Name)
|
|
{
|
|
ACPI_NATIVE_UINT i;
|
|
char NewName[ACPI_NAME_SIZE];
|
|
|
|
|
|
for (i = 0; i < ACPI_NAME_SIZE; i++)
|
|
{
|
|
NewName[i] = Name[i];
|
|
|
|
/*
|
|
* Replace a bad character with something printable, yet technically
|
|
* still invalid. This prevents any collisions with existing "good"
|
|
* names in the namespace.
|
|
*/
|
|
if (!AcpiUtValidAcpiChar (Name[i], i))
|
|
{
|
|
NewName[i] = '*';
|
|
}
|
|
}
|
|
|
|
return (*(UINT32 *) NewName);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtStrtoul64
|
|
*
|
|
* PARAMETERS: String - Null terminated string
|
|
* Base - Radix of the string: 16 or ACPI_ANY_BASE;
|
|
* ACPI_ANY_BASE means 'in behalf of ToInteger'
|
|
* RetInteger - Where the converted integer is returned
|
|
*
|
|
* RETURN: Status and Converted value
|
|
*
|
|
* DESCRIPTION: Convert a string into an unsigned value. Performs either a
|
|
* 32-bit or 64-bit conversion, depending on the current mode
|
|
* of the interpreter.
|
|
* NOTE: Does not support Octal strings, not needed.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiUtStrtoul64 (
|
|
char *String,
|
|
UINT32 Base,
|
|
ACPI_INTEGER *RetInteger)
|
|
{
|
|
UINT32 ThisDigit = 0;
|
|
ACPI_INTEGER ReturnValue = 0;
|
|
ACPI_INTEGER Quotient;
|
|
ACPI_INTEGER Dividend;
|
|
UINT32 ToIntegerOp = (Base == ACPI_ANY_BASE);
|
|
UINT32 Mode32 = (AcpiGbl_IntegerByteWidth == 4);
|
|
UINT8 ValidDigits = 0;
|
|
UINT8 SignOf0x = 0;
|
|
UINT8 Term = 0;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE_STR (UtStroul64, String);
|
|
|
|
|
|
switch (Base)
|
|
{
|
|
case ACPI_ANY_BASE:
|
|
case 16:
|
|
break;
|
|
|
|
default:
|
|
/* Invalid Base */
|
|
return_ACPI_STATUS (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
if (!String)
|
|
{
|
|
goto ErrorExit;
|
|
}
|
|
|
|
/* Skip over any white space in the buffer */
|
|
|
|
while ((*String) && (ACPI_IS_SPACE (*String) || *String == '\t'))
|
|
{
|
|
String++;
|
|
}
|
|
|
|
if (ToIntegerOp)
|
|
{
|
|
/*
|
|
* Base equal to ACPI_ANY_BASE means 'ToInteger operation case'.
|
|
* We need to determine if it is decimal or hexadecimal.
|
|
*/
|
|
if ((*String == '0') && (ACPI_TOLOWER (*(String + 1)) == 'x'))
|
|
{
|
|
SignOf0x = 1;
|
|
Base = 16;
|
|
|
|
/* Skip over the leading '0x' */
|
|
String += 2;
|
|
}
|
|
else
|
|
{
|
|
Base = 10;
|
|
}
|
|
}
|
|
|
|
/* Any string left? Check that '0x' is not followed by white space. */
|
|
|
|
if (!(*String) || ACPI_IS_SPACE (*String) || *String == '\t')
|
|
{
|
|
if (ToIntegerOp)
|
|
{
|
|
goto ErrorExit;
|
|
}
|
|
else
|
|
{
|
|
goto AllDone;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Perform a 32-bit or 64-bit conversion, depending upon the current
|
|
* execution mode of the interpreter
|
|
*/
|
|
Dividend = (Mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX;
|
|
|
|
/* Main loop: convert the string to a 32- or 64-bit integer */
|
|
|
|
while (*String)
|
|
{
|
|
if (ACPI_IS_DIGIT (*String))
|
|
{
|
|
/* Convert ASCII 0-9 to Decimal value */
|
|
|
|
ThisDigit = ((UINT8) *String) - '0';
|
|
}
|
|
else if (Base == 10)
|
|
{
|
|
/* Digit is out of range; possible in ToInteger case only */
|
|
|
|
Term = 1;
|
|
}
|
|
else
|
|
{
|
|
ThisDigit = (UINT8) ACPI_TOUPPER (*String);
|
|
if (ACPI_IS_XDIGIT ((char) ThisDigit))
|
|
{
|
|
/* Convert ASCII Hex char to value */
|
|
|
|
ThisDigit = ThisDigit - 'A' + 10;
|
|
}
|
|
else
|
|
{
|
|
Term = 1;
|
|
}
|
|
}
|
|
|
|
if (Term)
|
|
{
|
|
if (ToIntegerOp)
|
|
{
|
|
goto ErrorExit;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
else if ((ValidDigits == 0) && (ThisDigit == 0) && !SignOf0x)
|
|
{
|
|
/* Skip zeros */
|
|
String++;
|
|
continue;
|
|
}
|
|
|
|
ValidDigits++;
|
|
|
|
if (SignOf0x && ((ValidDigits > 16) || ((ValidDigits > 8) && Mode32)))
|
|
{
|
|
/*
|
|
* This is ToInteger operation case.
|
|
* No any restrictions for string-to-integer conversion,
|
|
* see ACPI spec.
|
|
*/
|
|
goto ErrorExit;
|
|
}
|
|
|
|
/* Divide the digit into the correct position */
|
|
|
|
(void) AcpiUtShortDivide ((Dividend - (ACPI_INTEGER) ThisDigit),
|
|
Base, &Quotient, NULL);
|
|
|
|
if (ReturnValue > Quotient)
|
|
{
|
|
if (ToIntegerOp)
|
|
{
|
|
goto ErrorExit;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
ReturnValue *= Base;
|
|
ReturnValue += ThisDigit;
|
|
String++;
|
|
}
|
|
|
|
/* All done, normal exit */
|
|
|
|
AllDone:
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n",
|
|
ACPI_FORMAT_UINT64 (ReturnValue)));
|
|
|
|
*RetInteger = ReturnValue;
|
|
return_ACPI_STATUS (AE_OK);
|
|
|
|
|
|
ErrorExit:
|
|
/* Base was set/validated above */
|
|
|
|
if (Base == 10)
|
|
{
|
|
return_ACPI_STATUS (AE_BAD_DECIMAL_CONSTANT);
|
|
}
|
|
else
|
|
{
|
|
return_ACPI_STATUS (AE_BAD_HEX_CONSTANT);
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtCreateUpdateStateAndPush
|
|
*
|
|
* PARAMETERS: Object - Object to be added to the new state
|
|
* Action - Increment/Decrement
|
|
* StateList - List the state will be added to
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Create a new state and push it
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiUtCreateUpdateStateAndPush (
|
|
ACPI_OPERAND_OBJECT *Object,
|
|
UINT16 Action,
|
|
ACPI_GENERIC_STATE **StateList)
|
|
{
|
|
ACPI_GENERIC_STATE *State;
|
|
|
|
|
|
ACPI_FUNCTION_ENTRY ();
|
|
|
|
|
|
/* Ignore null objects; these are expected */
|
|
|
|
if (!Object)
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
State = AcpiUtCreateUpdateState (Object, Action);
|
|
if (!State)
|
|
{
|
|
return (AE_NO_MEMORY);
|
|
}
|
|
|
|
AcpiUtPushGenericState (StateList, State);
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtWalkPackageTree
|
|
*
|
|
* PARAMETERS: SourceObject - The package to walk
|
|
* TargetObject - Target object (if package is being copied)
|
|
* WalkCallback - Called once for each package element
|
|
* Context - Passed to the callback function
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Walk through a package
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiUtWalkPackageTree (
|
|
ACPI_OPERAND_OBJECT *SourceObject,
|
|
void *TargetObject,
|
|
ACPI_PKG_CALLBACK WalkCallback,
|
|
void *Context)
|
|
{
|
|
ACPI_STATUS Status = AE_OK;
|
|
ACPI_GENERIC_STATE *StateList = NULL;
|
|
ACPI_GENERIC_STATE *State;
|
|
UINT32 ThisIndex;
|
|
ACPI_OPERAND_OBJECT *ThisSourceObj;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (UtWalkPackageTree);
|
|
|
|
|
|
State = AcpiUtCreatePkgState (SourceObject, TargetObject, 0);
|
|
if (!State)
|
|
{
|
|
return_ACPI_STATUS (AE_NO_MEMORY);
|
|
}
|
|
|
|
while (State)
|
|
{
|
|
/* Get one element of the package */
|
|
|
|
ThisIndex = State->Pkg.Index;
|
|
ThisSourceObj = (ACPI_OPERAND_OBJECT *)
|
|
State->Pkg.SourceObject->Package.Elements[ThisIndex];
|
|
|
|
/*
|
|
* Check for:
|
|
* 1) An uninitialized package element. It is completely
|
|
* legal to declare a package and leave it uninitialized
|
|
* 2) Not an internal object - can be a namespace node instead
|
|
* 3) Any type other than a package. Packages are handled in else
|
|
* case below.
|
|
*/
|
|
if ((!ThisSourceObj) ||
|
|
(ACPI_GET_DESCRIPTOR_TYPE (ThisSourceObj) != ACPI_DESC_TYPE_OPERAND) ||
|
|
(ACPI_GET_OBJECT_TYPE (ThisSourceObj) != ACPI_TYPE_PACKAGE))
|
|
{
|
|
Status = WalkCallback (ACPI_COPY_TYPE_SIMPLE, ThisSourceObj,
|
|
State, Context);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
State->Pkg.Index++;
|
|
while (State->Pkg.Index >= State->Pkg.SourceObject->Package.Count)
|
|
{
|
|
/*
|
|
* We've handled all of the objects at this level, This means
|
|
* that we have just completed a package. That package may
|
|
* have contained one or more packages itself.
|
|
*
|
|
* Delete this state and pop the previous state (package).
|
|
*/
|
|
AcpiUtDeleteGenericState (State);
|
|
State = AcpiUtPopGenericState (&StateList);
|
|
|
|
/* Finished when there are no more states */
|
|
|
|
if (!State)
|
|
{
|
|
/*
|
|
* We have handled all of the objects in the top level
|
|
* package just add the length of the package objects
|
|
* and exit
|
|
*/
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
/*
|
|
* Go back up a level and move the index past the just
|
|
* completed package object.
|
|
*/
|
|
State->Pkg.Index++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* This is a subobject of type package */
|
|
|
|
Status = WalkCallback (ACPI_COPY_TYPE_PACKAGE, ThisSourceObj,
|
|
State, Context);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/*
|
|
* Push the current state and create a new one
|
|
* The callback above returned a new target package object.
|
|
*/
|
|
AcpiUtPushGenericState (&StateList, State);
|
|
State = AcpiUtCreatePkgState (ThisSourceObj,
|
|
State->Pkg.ThisTargetObj, 0);
|
|
if (!State)
|
|
{
|
|
return_ACPI_STATUS (AE_NO_MEMORY);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* We should never get here */
|
|
|
|
return_ACPI_STATUS (AE_AML_INTERNAL);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtError, AcpiUtWarning, AcpiUtInfo
|
|
*
|
|
* PARAMETERS: ModuleName - Caller's module name (for error output)
|
|
* LineNumber - Caller's line number (for error output)
|
|
* Format - Printf format string + additional args
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Print message with module/line/version info
|
|
*
|
|
******************************************************************************/
|
|
|
|
void ACPI_INTERNAL_VAR_XFACE
|
|
AcpiUtError (
|
|
char *ModuleName,
|
|
UINT32 LineNumber,
|
|
char *Format,
|
|
...)
|
|
{
|
|
va_list args;
|
|
|
|
|
|
AcpiOsPrintf ("ACPI Error (%s-%04d): ", ModuleName, LineNumber);
|
|
|
|
va_start (args, Format);
|
|
AcpiOsVprintf (Format, args);
|
|
AcpiOsPrintf (" [%X]\n", ACPI_CA_VERSION);
|
|
}
|
|
|
|
void ACPI_INTERNAL_VAR_XFACE
|
|
AcpiUtException (
|
|
char *ModuleName,
|
|
UINT32 LineNumber,
|
|
ACPI_STATUS Status,
|
|
char *Format,
|
|
...)
|
|
{
|
|
va_list args;
|
|
|
|
|
|
AcpiOsPrintf ("ACPI Exception (%s-%04d): %s, ", ModuleName, LineNumber,
|
|
AcpiFormatException (Status));
|
|
|
|
va_start (args, Format);
|
|
AcpiOsVprintf (Format, args);
|
|
AcpiOsPrintf (" [%X]\n", ACPI_CA_VERSION);
|
|
}
|
|
|
|
void ACPI_INTERNAL_VAR_XFACE
|
|
AcpiUtWarning (
|
|
char *ModuleName,
|
|
UINT32 LineNumber,
|
|
char *Format,
|
|
...)
|
|
{
|
|
va_list args;
|
|
|
|
|
|
AcpiOsPrintf ("ACPI Warning (%s-%04d): ", ModuleName, LineNumber);
|
|
|
|
va_start (args, Format);
|
|
AcpiOsVprintf (Format, args);
|
|
AcpiOsPrintf (" [%X]\n", ACPI_CA_VERSION);
|
|
}
|
|
|
|
void ACPI_INTERNAL_VAR_XFACE
|
|
AcpiUtInfo (
|
|
char *ModuleName,
|
|
UINT32 LineNumber,
|
|
char *Format,
|
|
...)
|
|
{
|
|
va_list args;
|
|
|
|
/* Temporarily hide too verbose printfs. */
|
|
if (!bootverbose)
|
|
return;
|
|
|
|
/*
|
|
* Removed ModuleName, LineNumber, and acpica version, not needed
|
|
* for info output
|
|
*/
|
|
AcpiOsPrintf ("ACPI: ");
|
|
|
|
va_start (args, Format);
|
|
AcpiOsVprintf (Format, args);
|
|
AcpiOsPrintf ("\n");
|
|
}
|
|
|