/******************************************************************************
*
* Module Name: dmtbdump - Dump ACPI data tables that contain no AML code
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* 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
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 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.
*
* 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
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* 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
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* 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.
*
* 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
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 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
* such license, approval or letter.
*
*****************************************************************************
*
* Alternatively, you may choose to be licensed under the terms of the
* following license:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Alternatively, you may choose to be licensed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
*****************************************************************************/
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <contrib/dev/acpica/include/acdisasm.h>
#include <contrib/dev/acpica/include/actables.h>
/* This module used for application-level code only */
#define _COMPONENT ACPI_CA_DISASSEMBLER
ACPI_MODULE_NAME ("dmtbdump")
/* Local prototypes */
static void
AcpiDmValidateFadtLength (
UINT32 Revision,
UINT32 Length);
/*******************************************************************************
*
* FUNCTION: AcpiDmDumpBuffer
*
* PARAMETERS: Table - ACPI Table or subtable
* BufferOffset - Offset of buffer from Table above
* Length - Length of the buffer
* AbsoluteOffset - Offset of buffer in the main ACPI table
* Header - Name of the buffer field (printed on the
* first line only.)
*
* RETURN: None
*
* DESCRIPTION: Format the contents of an arbitrary length data buffer (in the
* disassembler output format.)
*
******************************************************************************/
void
AcpiDmDumpBuffer (
void *Table,
UINT32 BufferOffset,
UINT32 Length,
UINT32 AbsoluteOffset,
char *Header)
{
UINT8 *Buffer;
UINT8 BufChar;
UINT32 i;
UINT32 j;
if (!Length)
{
return;
}
Buffer = ACPI_CAST_PTR (UINT8, Table) + BufferOffset;
i = 0;
while (i < Length)
{
if ((Length > 16) && (i != 0))
{
if ((Length - i) < 16)
AcpiOsPrintf ("\n/* %3.3Xh %4.4u %3u */ ", AbsoluteOffset, AbsoluteOffset, Length - i);
else
AcpiOsPrintf ("\n/* %3.3Xh %4.4u 16 */ ", AbsoluteOffset, AbsoluteOffset);
}
AbsoluteOffset += 16;
/* Emit the raw data bytes*/
for (j = 0; j < 16; j++)
{
if (i + j >= Length)
{
/* Dump fill spaces */
AcpiOsPrintf ("%*s", (48 - (3 * (Length -i))), " ");
break;
}
AcpiOsPrintf ("%.02X ", Buffer[(ACPI_SIZE) i + j]);
}
/* Emit the ASCII equivalent to the raw data bytes */
for (j = 0; j < 16; j++)
{
if (i + j >= Length)
{
AcpiOsPrintf (" */\\\n");
return;
}
/*
* Add comment characters so rest of line is ignored when
* compiled
*/
if (j == 0)
{
AcpiOsPrintf ("/* ");
}
BufChar = Buffer[(ACPI_SIZE) i + j];
if (isprint (BufChar))
{
AcpiOsPrintf ("%c", BufChar);
}
else
{
AcpiOsPrintf (".");
}
}
/* Done with that line. */
/* Close the comment and insert a backslash - line continuation character */
if (Length > 16)
{
AcpiOsPrintf (" */\\");
}
else
{
AcpiOsPrintf (" */\\");
}
i += 16; /* Point to next line */
}
AcpiOsPrintf ("\n");
}
/*******************************************************************************
*
* FUNCTION: AcpiDmDumpUnicode
*
* PARAMETERS: Table - ACPI Table or subtable
* BufferOffset - Offset of buffer from Table above
* ByteLength - Length of the buffer
*
* RETURN: None
*
* DESCRIPTION: Validate and dump the contents of a buffer that contains
* unicode data. The output is a standard ASCII string. If it
* appears that the data is not unicode, the buffer is dumped
* as hex characters.
*
******************************************************************************/
void
AcpiDmDumpUnicode (
void *Table,
UINT32 BufferOffset,
UINT32 ByteLength)
{
UINT8 *Buffer;
UINT32 Length;
UINT32 i;
Buffer = ((UINT8 *) Table) + BufferOffset;
Length = ByteLength - 2; /* Last two bytes are the null terminator */
/* Ensure all low bytes are entirely printable ASCII */
for (i = 0; i < Length; i += 2)
{
if (!isprint (Buffer[i]))
{
goto DumpRawBuffer;
}
}
/* Ensure all high bytes are zero */
for (i = 1; i < Length; i += 2)
{
if (Buffer[i])
{
goto DumpRawBuffer;
}
}
/* Dump the buffer as a normal string */
AcpiOsPrintf ("\"");
for (i = 0; i < Length; i += 2)
{
AcpiOsPrintf ("%c", Buffer[i]);
}
AcpiOsPrintf ("\"\n");
return;
DumpRawBuffer:
AcpiDmDumpBuffer (Table, BufferOffset, ByteLength,
BufferOffset, NULL);
AcpiOsPrintf ("\n");
}
/*******************************************************************************
*
* FUNCTION: AcpiDmDumpRsdp
*
* PARAMETERS: Table - A RSDP
*
* RETURN: Length of the table (there is not always a length field,
* use revision or length if available (ACPI 2.0+))
*
* DESCRIPTION: Format the contents of a RSDP
*
******************************************************************************/
UINT32
AcpiDmDumpRsdp (
ACPI_TABLE_HEADER *Table)
{
ACPI_TABLE_RSDP *Rsdp = ACPI_CAST_PTR (ACPI_TABLE_RSDP, Table);
UINT32 Length = sizeof (ACPI_RSDP_COMMON);
UINT8 Checksum;
ACPI_STATUS Status;
/* Dump the common ACPI 1.0 portion */
Status = AcpiDmDumpTable (Length, 0, Table, 0, AcpiDmTableInfoRsdp1);
if (ACPI_FAILURE (Status))
{
return (Length);
}
/* Validate the first checksum */
Checksum = AcpiUtGenerateChecksum (Rsdp, sizeof (ACPI_RSDP_COMMON),
Rsdp->Checksum);
if (Checksum != Rsdp->Checksum)
{
AcpiOsPrintf ("/* Incorrect Checksum above, should be 0x%2.2X */\n",
Checksum);
}
/* The RSDP for ACPI 2.0+ contains more data and has a Length field */
if (Rsdp->Revision > 0)
{
Length = Rsdp->Length;
Status = AcpiDmDumpTable (Length, 0, Table, 0, AcpiDmTableInfoRsdp2);
if (ACPI_FAILURE (Status))
{
return (Length);
}
/* Validate the extended checksum over entire RSDP */
Checksum = AcpiUtGenerateChecksum (Rsdp, sizeof (ACPI_TABLE_RSDP),
Rsdp->ExtendedChecksum);
if (Checksum != Rsdp->ExtendedChecksum)
{
AcpiOsPrintf (
"/* Incorrect Extended Checksum above, should be 0x%2.2X */\n",
Checksum);
}
}
return (Length);
}
/*******************************************************************************
*
* FUNCTION: AcpiDmDumpRsdt
*
* PARAMETERS: Table - A RSDT
*
* RETURN: None
*
* DESCRIPTION: Format the contents of a RSDT
*
******************************************************************************/
void
AcpiDmDumpRsdt (
ACPI_TABLE_HEADER *Table)
{
UINT32 *Array;
UINT32 Entries;
UINT32 Offset;
UINT32 i;
/* Point to start of table pointer array */
Array = ACPI_CAST_PTR (ACPI_TABLE_RSDT, Table)->TableOffsetEntry;
Offset = sizeof (ACPI_TABLE_HEADER);
/* RSDT uses 32-bit pointers */
Entries = (Table->Length - sizeof (ACPI_TABLE_HEADER)) / sizeof (UINT32);
for (i = 0; i < Entries; i++)
{
AcpiDmLineHeader2 (Offset, sizeof (UINT32), "ACPI Table Address", i);
AcpiOsPrintf ("%8.8X\n", Array[i]);
Offset += sizeof (UINT32);
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDmDumpXsdt
*
* PARAMETERS: Table - A XSDT
*
* RETURN: None
*
* DESCRIPTION: Format the contents of a XSDT
*
******************************************************************************/
void
AcpiDmDumpXsdt (
ACPI_TABLE_HEADER *Table)
{
UINT64 *Array;
UINT32 Entries;
UINT32 Offset;
UINT32 i;
/* Point to start of table pointer array */
Array = ACPI_CAST_PTR (ACPI_TABLE_XSDT, Table)->TableOffsetEntry;
Offset = sizeof (ACPI_TABLE_HEADER);
/* XSDT uses 64-bit pointers */
Entries = (Table->Length - sizeof (ACPI_TABLE_HEADER)) / sizeof (UINT64);
for (i = 0; i < Entries; i++)
{
AcpiDmLineHeader2 (Offset, sizeof (UINT64), "ACPI Table Address", i);
AcpiOsPrintf ("%8.8X%8.8X\n", ACPI_FORMAT_UINT64 (Array[i]));
Offset += sizeof (UINT64);
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDmDumpFadt
*
* PARAMETERS: Table - A FADT
*
* RETURN: None
*
* DESCRIPTION: Format the contents of a FADT
*
* NOTE: We cannot depend on the FADT version to indicate the actual
* contents of the FADT because of BIOS bugs. The table length
* is the only reliable indicator.
*
******************************************************************************/
void
AcpiDmDumpFadt (
ACPI_TABLE_HEADER *Table)
{
ACPI_STATUS Status;
/* Always dump the minimum FADT revision 1 fields (ACPI 1.0) */
Status = AcpiDmDumpTable (Table->Length, 0, Table, 0,
AcpiDmTableInfoFadt1);
if (ACPI_FAILURE (Status))
{
return;
}
/* Check for FADT revision 2 fields (ACPI 1.0B MS extensions) */
if ((Table->Length > ACPI_FADT_V1_SIZE) &&
(Table->Length <= ACPI_FADT_V2_SIZE))
{
Status = AcpiDmDumpTable (Table->Length, 0, Table, 0,
AcpiDmTableInfoFadt2);
if (ACPI_FAILURE (Status))
{
return;
}
}
/* Check for FADT revision 3/4 fields and up (ACPI 2.0+ extended data) */
else if (Table->Length > ACPI_FADT_V2_SIZE)
{
Status = AcpiDmDumpTable (Table->Length, 0, Table, 0,
AcpiDmTableInfoFadt3);
if (ACPI_FAILURE (Status))
{
return;
}
/* Check for FADT revision 5 fields and up (ACPI 5.0+) */
if (Table->Length > ACPI_FADT_V3_SIZE)
{
Status = AcpiDmDumpTable (Table->Length, 0, Table, 0,
AcpiDmTableInfoFadt5);
if (ACPI_FAILURE (Status))
{
return;
}
}
/* Check for FADT revision 6 fields and up (ACPI 6.0+) */
if (Table->Length > ACPI_FADT_V3_SIZE)
{
Status = AcpiDmDumpTable (Table->Length, 0, Table, 0,
AcpiDmTableInfoFadt6);
if (ACPI_FAILURE (Status))
{
return;
}
}
}
/* Validate various fields in the FADT, including length */
AcpiTbCreateLocalFadt (Table, Table->Length);
/* Validate FADT length against the revision */
AcpiDmValidateFadtLength (Table->Revision, Table->Length);
}
/*******************************************************************************
*
* 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);
}