/****************************************************************************** * * Module Name: dmtbdump - Dump ACPI data tables that contain no AML code * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2022, 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 #include #include #include /* 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); }