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Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Tables/tbxfroot.c')
| -rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Tables/tbxfroot.c | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Tables/tbxfroot.c b/sys/contrib/dev/acpica/Subsystem/Tables/tbxfroot.c deleted file mode 100644 index 4bcf9c996ccc..000000000000 --- a/sys/contrib/dev/acpica/Subsystem/Tables/tbxfroot.c +++ /dev/null @@ -1,320 +0,0 @@ -/****************************************************************************** - * - * Module Name: tbxfroot - Find the root ACPI table (RSDT) - * $Revision: 35 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 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 __TBXFROOT_C__ - -#include "acpi.h" -#include "achware.h" -#include "actables.h" - - -#define _COMPONENT TABLE_MANAGER - MODULE_NAME ("tbxfroot") - -#define RSDP_CHECKSUM_LENGTH 20 - - -/******************************************************************************* - * - * FUNCTION: AcpiFindRootPointer - * - * PARAMETERS: **RsdpPhysicalAddress - Where to place the RSDP address - * - * RETURN: Status, Physical address of the RSDP - * - * DESCRIPTION: Find the RSDP - * - ******************************************************************************/ - -ACPI_STATUS -AcpiFindRootPointer ( - ACPI_PHYSICAL_ADDRESS *RsdpPhysicalAddress) -{ - ACPI_TABLE_DESC TableInfo; - ACPI_STATUS Status; - - - FUNCTION_TRACE ("AcpiFindRootPointer"); - - - /* Get the RSDP */ - - Status = AcpiTbFindRsdp (&TableInfo); - if (ACPI_FAILURE (Status)) - { - DEBUG_PRINT (ACPI_ERROR, ("RSDP structure not found\n")); - return_ACPI_STATUS (AE_NO_ACPI_TABLES); - } - - *RsdpPhysicalAddress = TableInfo.PhysicalAddress; - - return_ACPI_STATUS (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiTbScanMemoryForRsdp - * - * PARAMETERS: StartAddress - Starting pointer for search - * Length - Maximum length to search - * - * RETURN: Pointer to the RSDP if found, otherwise NULL. - * - * DESCRIPTION: Search a block of memory for the RSDP signature - * - ******************************************************************************/ - -UINT8 * -AcpiTbScanMemoryForRsdp ( - UINT8 *StartAddress, - UINT32 Length) -{ - UINT32 Offset; - UINT8 *MemRover; - - - FUNCTION_TRACE ("TbScanMemoryForRsdp"); - - /* Search from given start addr for the requested length */ - - for (Offset = 0, MemRover = StartAddress; - Offset < Length; - Offset += RSDP_SCAN_STEP, MemRover += RSDP_SCAN_STEP) - { - - /* The signature and checksum must both be correct */ - - if (STRNCMP ((NATIVE_CHAR *) MemRover, - RSDP_SIG, sizeof (RSDP_SIG)-1) == 0 && - AcpiTbChecksum (MemRover, RSDP_CHECKSUM_LENGTH) == 0) - { - /* If so, we have found the RSDP */ - - return_PTR (MemRover); - } - } - - /* Searched entire block, no RSDP was found */ - - return_PTR (NULL); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiTbFindRsdp - * - * PARAMETERS: *BufferPtr - If == NULL, read data from buffer - * rather than searching memory - * *TableInfo - Where the table info is returned - * - * RETURN: Status - * - * DESCRIPTION: Search lower 1Mbyte of memory for the root system descriptor - * pointer structure. If it is found, set *RSDP to point to it. - * - * NOTE: The RSDP must be either in the first 1K of the Extended - * BIOS Data Area or between E0000 and FFFFF (ACPI 1.0 section - * 5.2.2; assertion #421). - * - ******************************************************************************/ - -ACPI_STATUS -AcpiTbFindRsdp ( - ACPI_TABLE_DESC *TableInfo) -{ - UINT8 *TablePtr; - UINT8 *MemRover; - UINT64 PhysAddr; - ACPI_STATUS Status = AE_OK; - - - FUNCTION_TRACE ("TbFindRsdp"); - - - /* - * Search memory for RSDP. First map low physical memory. - */ - - Status = AcpiOsMapMemory (LO_RSDP_WINDOW_BASE, LO_RSDP_WINDOW_SIZE, - (void **)&TablePtr); - - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* - * 1) Search EBDA (low memory) paragraphs - */ - - MemRover = AcpiTbScanMemoryForRsdp (TablePtr, LO_RSDP_WINDOW_SIZE); - - /* This mapping is no longer needed */ - - AcpiOsUnmapMemory (TablePtr, LO_RSDP_WINDOW_SIZE); - - if (MemRover) - { - /* Found it, return the physical address */ - - PhysAddr = LO_RSDP_WINDOW_BASE; - PhysAddr += (MemRover - TablePtr); - - TableInfo->PhysicalAddress = PhysAddr; - - return_ACPI_STATUS (AE_OK); - } - - - /* - * 2) Search upper memory: 16-byte boundaries in E0000h-F0000h - */ - - Status = AcpiOsMapMemory (HI_RSDP_WINDOW_BASE, HI_RSDP_WINDOW_SIZE, - (void **)&TablePtr); - - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - MemRover = AcpiTbScanMemoryForRsdp (TablePtr, HI_RSDP_WINDOW_SIZE); - - /* This mapping is no longer needed */ - - AcpiOsUnmapMemory (TablePtr, HI_RSDP_WINDOW_SIZE); - - if (MemRover) - { - /* Found it, return the physical address */ - - PhysAddr = HI_RSDP_WINDOW_BASE; - PhysAddr += (MemRover - TablePtr); - - TableInfo->PhysicalAddress = PhysAddr; - - return_ACPI_STATUS (AE_OK); - } - - - /* RSDP signature was not found */ - - return_ACPI_STATUS (AE_NOT_FOUND); -} - - |