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Diffstat (limited to 'sys/contrib/dev/acpica/tbfind.c')
| -rw-r--r-- | sys/contrib/dev/acpica/tbfind.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/tbfind.c b/sys/contrib/dev/acpica/tbfind.c new file mode 100644 index 0000000..be09293 --- /dev/null +++ b/sys/contrib/dev/acpica/tbfind.c @@ -0,0 +1,205 @@ +/****************************************************************************** + * + * Module Name: tbfind - find table + * $Revision: 1.3 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2007, 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 __TBFIND_C__ + +#include <contrib/dev/acpica/acpi.h> +#include <contrib/dev/acpica/actables.h> + +#define _COMPONENT ACPI_TABLES + ACPI_MODULE_NAME ("tbfind") + + +/******************************************************************************* + * + * FUNCTION: AcpiTbFindTable + * + * PARAMETERS: Signature - String with ACPI table signature + * OemId - String with the table OEM ID + * OemTableId - String with the OEM Table ID + * TableIndex - Where the table index is returned + * + * RETURN: Status and table index + * + * DESCRIPTION: Find an ACPI table (in the RSDT/XSDT) that matches the + * Signature, OEM ID and OEM Table ID. Returns an index that can + * be used to get the table header or entire table. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiTbFindTable ( + char *Signature, + char *OemId, + char *OemTableId, + ACPI_NATIVE_UINT *TableIndex) +{ + ACPI_NATIVE_UINT i; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE (TbFindTable); + + + for (i = 0; i < AcpiGbl_RootTableList.Count; ++i) + { + if (ACPI_MEMCMP (&(AcpiGbl_RootTableList.Tables[i].Signature), + Signature, ACPI_NAME_SIZE)) + { + /* Not the requested table */ + + continue; + } + + /* Table with matching signature has been found */ + + if (!AcpiGbl_RootTableList.Tables[i].Pointer) + { + /* Table is not currently mapped, map it */ + + Status = AcpiTbVerifyTable (&AcpiGbl_RootTableList.Tables[i]); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + if (!AcpiGbl_RootTableList.Tables[i].Pointer) + { + continue; + } + } + + /* Check for table match on all IDs */ + + if (!ACPI_MEMCMP (AcpiGbl_RootTableList.Tables[i].Pointer->Signature, + Signature, ACPI_NAME_SIZE) && + (!OemId[0] || + !ACPI_MEMCMP (AcpiGbl_RootTableList.Tables[i].Pointer->OemId, + OemId, ACPI_OEM_ID_SIZE)) && + (!OemTableId[0] || + !ACPI_MEMCMP (AcpiGbl_RootTableList.Tables[i].Pointer->OemTableId, + OemTableId, ACPI_OEM_TABLE_ID_SIZE))) + { + *TableIndex = i; + + ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "Found table [%4.4s]\n", + Signature)); + return_ACPI_STATUS (AE_OK); + } + } + + return_ACPI_STATUS (AE_NOT_FOUND); +} |
