606 lines
20 KiB
C
606 lines
20 KiB
C
/******************************************************************************
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*
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* Module Name: dmtbdump - Dump ACPI data tables that contain no AML code
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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 - 2018, 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 <contrib/dev/acpica/include/acpi.h>
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#include <contrib/dev/acpica/include/accommon.h>
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#include <contrib/dev/acpica/include/acdisasm.h>
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#include <contrib/dev/acpica/include/actables.h>
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/* This module used for application-level code only */
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#define _COMPONENT ACPI_CA_DISASSEMBLER
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ACPI_MODULE_NAME ("dmtbdump")
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/* Local prototypes */
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static void
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AcpiDmValidateFadtLength (
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UINT32 Revision,
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UINT32 Length);
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmDumpBuffer
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*
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* PARAMETERS: Table - ACPI Table or subtable
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* BufferOffset - Offset of buffer from Table above
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* Length - Length of the buffer
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* AbsoluteOffset - Offset of buffer in the main ACPI table
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* Header - Name of the buffer field (printed on the
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* first line only.)
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*
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* RETURN: None
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*
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* DESCRIPTION: Format the contents of an arbitrary length data buffer (in the
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* disassembler output format.)
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*
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******************************************************************************/
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void
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AcpiDmDumpBuffer (
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void *Table,
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UINT32 BufferOffset,
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UINT32 Length,
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UINT32 AbsoluteOffset,
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char *Header)
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{
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UINT8 *Buffer;
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UINT32 i;
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if (!Length)
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{
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return;
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}
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Buffer = ACPI_CAST_PTR (UINT8, Table) + BufferOffset;
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i = 0;
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while (i < Length)
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{
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if (!(i % 16))
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{
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/* Insert a backslash - line continuation character */
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if (Length > 16)
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{
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AcpiOsPrintf ("\\\n ");
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}
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}
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AcpiOsPrintf ("%.02X ", *Buffer);
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i++;
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Buffer++;
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AbsoluteOffset++;
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}
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AcpiOsPrintf ("\n");
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmDumpUnicode
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*
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* PARAMETERS: Table - ACPI Table or subtable
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* BufferOffset - Offset of buffer from Table above
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* ByteLength - Length of the buffer
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*
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* RETURN: None
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*
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* DESCRIPTION: Validate and dump the contents of a buffer that contains
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* unicode data. The output is a standard ASCII string. If it
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* appears that the data is not unicode, the buffer is dumped
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* as hex characters.
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*
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******************************************************************************/
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void
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AcpiDmDumpUnicode (
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void *Table,
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UINT32 BufferOffset,
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UINT32 ByteLength)
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{
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UINT8 *Buffer;
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UINT32 Length;
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UINT32 i;
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Buffer = ((UINT8 *) Table) + BufferOffset;
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Length = ByteLength - 2; /* Last two bytes are the null terminator */
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/* Ensure all low bytes are entirely printable ASCII */
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for (i = 0; i < Length; i += 2)
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{
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if (!isprint (Buffer[i]))
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{
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goto DumpRawBuffer;
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}
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}
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/* Ensure all high bytes are zero */
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for (i = 1; i < Length; i += 2)
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{
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if (Buffer[i])
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{
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goto DumpRawBuffer;
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}
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}
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/* Dump the buffer as a normal string */
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AcpiOsPrintf ("\"");
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for (i = 0; i < Length; i += 2)
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{
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AcpiOsPrintf ("%c", Buffer[i]);
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}
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AcpiOsPrintf ("\"\n");
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return;
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DumpRawBuffer:
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AcpiDmDumpBuffer (Table, BufferOffset, ByteLength,
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BufferOffset, NULL);
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AcpiOsPrintf ("\n");
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmDumpRsdp
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*
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* PARAMETERS: Table - A RSDP
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*
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* RETURN: Length of the table (there is not always a length field,
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* use revision or length if available (ACPI 2.0+))
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*
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* DESCRIPTION: Format the contents of a RSDP
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*
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******************************************************************************/
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UINT32
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AcpiDmDumpRsdp (
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ACPI_TABLE_HEADER *Table)
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{
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ACPI_TABLE_RSDP *Rsdp = ACPI_CAST_PTR (ACPI_TABLE_RSDP, Table);
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UINT32 Length = sizeof (ACPI_RSDP_COMMON);
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UINT8 Checksum;
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ACPI_STATUS Status;
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/* Dump the common ACPI 1.0 portion */
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Status = AcpiDmDumpTable (Length, 0, Table, 0, AcpiDmTableInfoRsdp1);
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if (ACPI_FAILURE (Status))
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{
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return (Length);
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}
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/* Validate the first checksum */
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Checksum = AcpiDmGenerateChecksum (Rsdp, sizeof (ACPI_RSDP_COMMON),
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Rsdp->Checksum);
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if (Checksum != Rsdp->Checksum)
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{
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AcpiOsPrintf ("/* Incorrect Checksum above, should be 0x%2.2X */\n",
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Checksum);
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}
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/* The RSDP for ACPI 2.0+ contains more data and has a Length field */
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if (Rsdp->Revision > 0)
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{
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Length = Rsdp->Length;
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Status = AcpiDmDumpTable (Length, 0, Table, 0, AcpiDmTableInfoRsdp2);
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if (ACPI_FAILURE (Status))
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{
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return (Length);
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}
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/* Validate the extended checksum over entire RSDP */
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Checksum = AcpiDmGenerateChecksum (Rsdp, sizeof (ACPI_TABLE_RSDP),
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Rsdp->ExtendedChecksum);
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if (Checksum != Rsdp->ExtendedChecksum)
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{
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AcpiOsPrintf (
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"/* Incorrect Extended Checksum above, should be 0x%2.2X */\n",
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Checksum);
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}
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}
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return (Length);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmDumpRsdt
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*
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* PARAMETERS: Table - A RSDT
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*
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* RETURN: None
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*
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* DESCRIPTION: Format the contents of a RSDT
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*
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******************************************************************************/
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void
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AcpiDmDumpRsdt (
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ACPI_TABLE_HEADER *Table)
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{
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UINT32 *Array;
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UINT32 Entries;
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UINT32 Offset;
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UINT32 i;
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/* Point to start of table pointer array */
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Array = ACPI_CAST_PTR (ACPI_TABLE_RSDT, Table)->TableOffsetEntry;
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Offset = sizeof (ACPI_TABLE_HEADER);
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/* RSDT uses 32-bit pointers */
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Entries = (Table->Length - sizeof (ACPI_TABLE_HEADER)) / sizeof (UINT32);
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for (i = 0; i < Entries; i++)
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{
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AcpiDmLineHeader2 (Offset, sizeof (UINT32), "ACPI Table Address", i);
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AcpiOsPrintf ("%8.8X\n", Array[i]);
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Offset += sizeof (UINT32);
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmDumpXsdt
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*
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* PARAMETERS: Table - A XSDT
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*
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* RETURN: None
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*
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* DESCRIPTION: Format the contents of a XSDT
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*
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******************************************************************************/
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void
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AcpiDmDumpXsdt (
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ACPI_TABLE_HEADER *Table)
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{
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UINT64 *Array;
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UINT32 Entries;
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UINT32 Offset;
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UINT32 i;
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/* Point to start of table pointer array */
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Array = ACPI_CAST_PTR (ACPI_TABLE_XSDT, Table)->TableOffsetEntry;
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Offset = sizeof (ACPI_TABLE_HEADER);
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/* XSDT uses 64-bit pointers */
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Entries = (Table->Length - sizeof (ACPI_TABLE_HEADER)) / sizeof (UINT64);
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for (i = 0; i < Entries; i++)
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{
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AcpiDmLineHeader2 (Offset, sizeof (UINT64), "ACPI Table Address", i);
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AcpiOsPrintf ("%8.8X%8.8X\n", ACPI_FORMAT_UINT64 (Array[i]));
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Offset += sizeof (UINT64);
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmDumpFadt
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*
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* PARAMETERS: Table - A FADT
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*
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* RETURN: None
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*
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* DESCRIPTION: Format the contents of a FADT
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*
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* NOTE: We cannot depend on the FADT version to indicate the actual
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* contents of the FADT because of BIOS bugs. The table length
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* is the only reliable indicator.
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*
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******************************************************************************/
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void
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AcpiDmDumpFadt (
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ACPI_TABLE_HEADER *Table)
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{
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ACPI_STATUS Status;
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/* Always dump the minimum FADT revision 1 fields (ACPI 1.0) */
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Status = AcpiDmDumpTable (Table->Length, 0, Table, 0,
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AcpiDmTableInfoFadt1);
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if (ACPI_FAILURE (Status))
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{
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return;
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}
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/* Check for FADT revision 2 fields (ACPI 1.0B MS extensions) */
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if ((Table->Length > ACPI_FADT_V1_SIZE) &&
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(Table->Length <= ACPI_FADT_V2_SIZE))
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{
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Status = AcpiDmDumpTable (Table->Length, 0, Table, 0,
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AcpiDmTableInfoFadt2);
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if (ACPI_FAILURE (Status))
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{
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return;
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}
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}
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/* Check for FADT revision 3/4 fields and up (ACPI 2.0+ extended data) */
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else if (Table->Length > ACPI_FADT_V2_SIZE)
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{
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Status = AcpiDmDumpTable (Table->Length, 0, Table, 0,
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AcpiDmTableInfoFadt3);
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if (ACPI_FAILURE (Status))
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{
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return;
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}
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/* Check for FADT revision 5 fields and up (ACPI 5.0+) */
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if (Table->Length > ACPI_FADT_V3_SIZE)
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{
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Status = AcpiDmDumpTable (Table->Length, 0, Table, 0,
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AcpiDmTableInfoFadt5);
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if (ACPI_FAILURE (Status))
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{
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return;
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}
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}
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/* Check for FADT revision 6 fields and up (ACPI 6.0+) */
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if (Table->Length > ACPI_FADT_V3_SIZE)
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{
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Status = AcpiDmDumpTable (Table->Length, 0, Table, 0,
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AcpiDmTableInfoFadt6);
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if (ACPI_FAILURE (Status))
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{
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return;
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}
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}
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}
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/* Validate various fields in the FADT, including length */
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AcpiTbCreateLocalFadt (Table, Table->Length);
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/* Validate FADT length against the revision */
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AcpiDmValidateFadtLength (Table->Revision, Table->Length);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmValidateFadtLength
|
|
*
|
|
* PARAMETERS: Revision - FADT revision (Header->Revision)
|
|
* Length - FADT length (Header->Length
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Check the FADT revision against the expected table length for
|
|
* that revision. Issue a warning if the length is not what was
|
|
* expected. This seems to be such a common BIOS bug that the
|
|
* FADT revision has been rendered virtually meaningless.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
AcpiDmValidateFadtLength (
|
|
UINT32 Revision,
|
|
UINT32 Length)
|
|
{
|
|
UINT32 ExpectedLength;
|
|
|
|
|
|
switch (Revision)
|
|
{
|
|
case 0:
|
|
|
|
AcpiOsPrintf ("// ACPI Warning: Invalid FADT revision: 0\n");
|
|
return;
|
|
|
|
case 1:
|
|
|
|
ExpectedLength = ACPI_FADT_V1_SIZE;
|
|
break;
|
|
|
|
case 2:
|
|
|
|
ExpectedLength = ACPI_FADT_V2_SIZE;
|
|
break;
|
|
|
|
case 3:
|
|
case 4:
|
|
|
|
ExpectedLength = ACPI_FADT_V3_SIZE;
|
|
break;
|
|
|
|
case 5:
|
|
|
|
ExpectedLength = ACPI_FADT_V5_SIZE;
|
|
break;
|
|
|
|
default:
|
|
|
|
return;
|
|
}
|
|
|
|
if (Length == ExpectedLength)
|
|
{
|
|
return;
|
|
}
|
|
|
|
AcpiOsPrintf (
|
|
"\n// ACPI Warning: FADT revision %X does not match length: "
|
|
"found %X expected %X\n",
|
|
Revision, Length, ExpectedLength);
|
|
}
|