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Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Tables/tbutils.c')
| -rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Tables/tbutils.c | 486 |
1 files changed, 0 insertions, 486 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Tables/tbutils.c b/sys/contrib/dev/acpica/Subsystem/Tables/tbutils.c deleted file mode 100644 index 9bf9c755375f..000000000000 --- a/sys/contrib/dev/acpica/Subsystem/Tables/tbutils.c +++ /dev/null @@ -1,486 +0,0 @@ -/****************************************************************************** - * - * Module Name: tbutils - Table manipulation utilities - * $Revision: 33 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999, 2000, 2001, 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. - * - *****************************************************************************/ - -#define __TBUTILS_C__ - -#include "acpi.h" -#include "actables.h" -#include "acinterp.h" - - -#define _COMPONENT TABLE_MANAGER - MODULE_NAME ("tbutils") - - -/******************************************************************************* - * - * FUNCTION: AcpiTbHandleToObject - * - * PARAMETERS: TableId - Id for which the function is searching - * TableDesc - Pointer to return the matching table - * descriptor. - * - * RETURN: Search the tables to find one with a matching TableId and - * return a pointer to that table descriptor. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiTbHandleToObject ( - UINT16 TableId, - ACPI_TABLE_DESC **TableDesc) -{ - UINT32 i; - ACPI_TABLE_DESC *ListHead; - - - for (i = 0; i < ACPI_TABLE_MAX; i++) - { - ListHead = &AcpiGbl_AcpiTables[i]; - do - { - if (ListHead->TableId == TableId) - { - *TableDesc = ListHead; - return (AE_OK); - } - - ListHead = ListHead->Next; - - } while (ListHead != &AcpiGbl_AcpiTables[i]); - } - - - DEBUG_PRINT (ACPI_ERROR, ("TableId=%X does not exist\n", TableId)); - return (AE_BAD_PARAMETER); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiTbSystemTablePointer - * - * PARAMETERS: *Where - Pointer to be examined - * - * RETURN: TRUE if Where is within the AML stream (in one of the ACPI - * system tables such as the DSDT or an SSDT.) - * FALSE otherwise - * - ******************************************************************************/ - -BOOLEAN -AcpiTbSystemTablePointer ( - void *Where) -{ - UINT32 i; - ACPI_TABLE_DESC *TableDesc; - ACPI_TABLE_HEADER *Table; - - - /* No function trace, called too often! */ - - - /* Ignore null pointer */ - - if (!Where) - { - return (FALSE); - } - - - /* Check for a pointer within the DSDT */ - - if ((AcpiGbl_DSDT) && - (IS_IN_ACPI_TABLE (Where, AcpiGbl_DSDT))) - { - return (TRUE); - } - - - /* Check each of the loaded SSDTs (if any)*/ - - TableDesc = &AcpiGbl_AcpiTables[ACPI_TABLE_SSDT]; - - for (i = 0; i < AcpiGbl_AcpiTables[ACPI_TABLE_SSDT].Count; i++) - { - Table = TableDesc->Pointer; - - if (IS_IN_ACPI_TABLE (Where, Table)) - { - return (TRUE); - } - - TableDesc = TableDesc->Next; - } - - - /* Check each of the loaded PSDTs (if any)*/ - - TableDesc = &AcpiGbl_AcpiTables[ACPI_TABLE_PSDT]; - - for (i = 0; i < AcpiGbl_AcpiTables[ACPI_TABLE_PSDT].Count; i++) - { - Table = TableDesc->Pointer; - - if (IS_IN_ACPI_TABLE (Where, Table)) - { - return (TRUE); - } - - TableDesc = TableDesc->Next; - } - - - /* Pointer does not point into any system table */ - - return (FALSE); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiTbValidateTableHeader - * - * PARAMETERS: TableHeader - Logical pointer to the table - * - * RETURN: Status - * - * DESCRIPTION: Check an ACPI table header for validity - * - * NOTE: Table pointers are validated as follows: - * 1) Table pointer must point to valid physical memory - * 2) Signature must be 4 ASCII chars, even if we don't recognize the - * name - * 3) Table must be readable for length specified in the header - * 4) Table checksum must be valid (with the exception of the FACS - * which has no checksum for some odd reason) - * - ******************************************************************************/ - -ACPI_STATUS -AcpiTbValidateTableHeader ( - ACPI_TABLE_HEADER *TableHeader) -{ - ACPI_NAME Signature; - - - /* Verify that this is a valid address */ - - if (!AcpiOsReadable (TableHeader, sizeof (ACPI_TABLE_HEADER))) - { - DEBUG_PRINT (ACPI_ERROR, - ("Cannot read table header at %p\n", TableHeader)); - return (AE_BAD_ADDRESS); - } - - - /* Ensure that the signature is 4 ASCII characters */ - - MOVE_UNALIGNED32_TO_32 (&Signature, &TableHeader->Signature); - if (!AcpiCmValidAcpiName (Signature)) - { - DEBUG_PRINT (ACPI_ERROR, - ("Table signature at %p [%X] has invalid characters\n", - TableHeader, &Signature)); - - REPORT_WARNING (("Invalid table signature found\n")); - DUMP_BUFFER (TableHeader, sizeof (ACPI_TABLE_HEADER)); - return (AE_BAD_SIGNATURE); - } - - - /* Validate the table length */ - - if (TableHeader->Length < sizeof (ACPI_TABLE_HEADER)) - { - DEBUG_PRINT (ACPI_ERROR, - ("Invalid length in table header %p name %4.4s\n", - TableHeader, &Signature)); - - REPORT_WARNING (("Invalid table header length found\n")); - DUMP_BUFFER (TableHeader, sizeof (ACPI_TABLE_HEADER)); - return (AE_BAD_HEADER); - } - - return (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiTbMapAcpiTable - * - * PARAMETERS: PhysicalAddress - Physical address of table to map - * *Size - Size of the table. If zero, the size - * from the table header is used. - * Actual size is returned here. - * **LogicalAddress - Logical address of mapped table - * - * RETURN: Logical address of the mapped table. - * - * DESCRIPTION: Maps the physical address of table into a logical address - * - ******************************************************************************/ - -ACPI_STATUS -AcpiTbMapAcpiTable ( - ACPI_PHYSICAL_ADDRESS PhysicalAddress, - UINT32 *Size, - void **LogicalAddress) -{ - ACPI_TABLE_HEADER *Table; - UINT32 TableSize = *Size; - ACPI_STATUS Status = AE_OK; - - - /* If size is zero, look at the table header to get the actual size */ - - if ((*Size) == 0) - { - /* Get the table header so we can extract the table length */ - - Status = AcpiOsMapMemory (PhysicalAddress, sizeof (ACPI_TABLE_HEADER), - (void **) &Table); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - - /* Extract the full table length before we delete the mapping */ - - TableSize = Table->Length; - - /* - * Validate the header and delete the mapping. - * We will create a mapping for the full table below. - */ - - Status = AcpiTbValidateTableHeader (Table); - - /* Always unmap the memory for the header */ - - AcpiOsUnmapMemory (Table, sizeof (ACPI_TABLE_HEADER)); - - /* Exit if header invalid */ - - if (ACPI_FAILURE (Status)) - { - return (Status); - } - } - - - /* Map the physical memory for the correct length */ - - Status = AcpiOsMapMemory (PhysicalAddress, TableSize, (void **) &Table); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - - DEBUG_PRINT (ACPI_INFO, - ("Mapped memory for ACPI table, length=%d(%X) at %p\n", - TableSize, TableSize, Table)); - - *Size = TableSize; - *LogicalAddress = Table; - - return (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiTbVerifyTableChecksum - * - * PARAMETERS: *TableHeader - ACPI table to verify - * - * RETURN: 8 bit checksum of table - * - * DESCRIPTION: Does an 8 bit checksum of table and returns status. A correct - * table should have a checksum of 0. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiTbVerifyTableChecksum ( - ACPI_TABLE_HEADER *TableHeader) -{ - UINT8 Checksum; - ACPI_STATUS Status = AE_OK; - - - FUNCTION_TRACE ("TbVerifyTableChecksum"); - - - /* Compute the checksum on the table */ - - Checksum = AcpiTbChecksum (TableHeader, TableHeader->Length); - - /* Return the appropriate exception */ - - if (Checksum) - { - REPORT_WARNING (("Invalid checksum (%X) in table %4.4s\n", - Checksum, &TableHeader->Signature)); - - Status = AE_BAD_CHECKSUM; - } - - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiTbChecksum - * - * PARAMETERS: Buffer - Buffer to checksum - * Length - Size of the buffer - * - * RETURNS 8 bit checksum of buffer - * - * DESCRIPTION: Computes an 8 bit checksum of the buffer(length) and returns it. - * - ******************************************************************************/ - -UINT8 -AcpiTbChecksum ( - void *Buffer, - UINT32 Length) -{ - UINT8 *limit; - UINT8 *rover; - UINT8 sum = 0; - - - if (Buffer && Length) - { - /* Buffer and Length are valid */ - - limit = (UINT8 *) Buffer + Length; - - for (rover = Buffer; rover < limit; rover++) - { - sum = (UINT8) (sum + *rover); - } - } - - return (sum); -} - - |