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Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Namespace/nsload.c')
| -rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Namespace/nsload.c | 706 |
1 files changed, 0 insertions, 706 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Namespace/nsload.c b/sys/contrib/dev/acpica/Subsystem/Namespace/nsload.c deleted file mode 100644 index 2b49884e2ad4..000000000000 --- a/sys/contrib/dev/acpica/Subsystem/Namespace/nsload.c +++ /dev/null @@ -1,706 +0,0 @@ -/****************************************************************************** - * - * Module Name: nsload - namespace loading/expanding/contracting procedures - * $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 __NSLOAD_C__ - -#include "acpi.h" -#include "acinterp.h" -#include "acnamesp.h" -#include "amlcode.h" -#include "acparser.h" -#include "acdispat.h" -#include "acdebug.h" - - -#define _COMPONENT NAMESPACE - MODULE_NAME ("nsload") - - -/****************************************************************************** - * - * FUNCTION: AcpiLoadNamespace - * - * PARAMETERS: DisplayAmlDuringLoad - * - * RETURN: Status - * - * DESCRIPTION: Load the name space from what ever is pointed to by DSDT. - * (DSDT points to either the BIOS or a buffer.) - * - ******************************************************************************/ - -ACPI_STATUS -AcpiNsLoadNamespace ( - void) -{ - ACPI_STATUS Status; - - - FUNCTION_TRACE ("AcpiLoadNameSpace"); - - - /* There must be at least a DSDT installed */ - - if (AcpiGbl_DSDT == NULL) - { - DEBUG_PRINT (ACPI_ERROR, ("DSDT is not in memory\n")); - return_ACPI_STATUS (AE_NO_ACPI_TABLES); - } - - - /* - * Load the namespace. The DSDT is required, - * but the SSDT and PSDT tables are optional. - */ - - Status = AcpiNsLoadTableByType (ACPI_TABLE_DSDT); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* Ignore exceptions from these */ - - AcpiNsLoadTableByType (ACPI_TABLE_SSDT); - AcpiNsLoadTableByType (ACPI_TABLE_PSDT); - - - DEBUG_PRINT_RAW (ACPI_OK, - ("ACPI Namespace successfully loaded at root %p\n", - AcpiGbl_RootNode)); - - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiNsOneParsePass - * - * PARAMETERS: - * - * RETURN: Status - * - * DESCRIPTION: - * - ******************************************************************************/ - -ACPI_STATUS -AcpiNsOneCompleteParse ( - UINT32 PassNumber, - ACPI_TABLE_DESC *TableDesc) -{ - ACPI_PARSE_DOWNWARDS DescendingCallback; - ACPI_PARSE_UPWARDS AscendingCallback; - ACPI_PARSE_OBJECT *ParseRoot; - ACPI_STATUS Status; - - - FUNCTION_TRACE ("NsOneCompleteParse"); - - - switch (PassNumber) - { - case 1: - DescendingCallback = AcpiDsLoad1BeginOp; - AscendingCallback = AcpiDsLoad1EndOp; - break; - - case 2: - DescendingCallback = AcpiDsLoad2BeginOp; - AscendingCallback = AcpiDsLoad2EndOp; - break; - - case 3: - DescendingCallback = AcpiDsExecBeginOp; - AscendingCallback = AcpiDsExecEndOp; - break; - - default: - return (AE_BAD_PARAMETER); - } - - /* Create and init a Root Node */ - - ParseRoot = AcpiPsAllocOp (AML_SCOPE_OP); - if (!ParseRoot) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - ((ACPI_PARSE2_OBJECT *) ParseRoot)->Name = ACPI_ROOT_NAME; - - - /* Pass 1: Parse everything except control method bodies */ - - DEBUG_PRINT (TRACE_PARSE, - ("NsParseTable: *PARSE* pass %d parse\n", PassNumber)); - - Status = AcpiPsParseAml (ParseRoot, - TableDesc->AmlPointer, - TableDesc->AmlLength, - ACPI_PARSE_LOAD_PASS1 | ACPI_PARSE_DELETE_TREE, - NULL, NULL, NULL, - DescendingCallback, - AscendingCallback); - - AcpiPsDeleteParseTree (ParseRoot); - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiNsParseTable - * - * PARAMETERS: TableDesc - An ACPI table descriptor for table to parse - * StartNode - Where to enter the table into the namespace - * - * RETURN: Status - * - * DESCRIPTION: Parse AML within an ACPI table and return a tree of ops - * - ******************************************************************************/ - -ACPI_STATUS -AcpiNsParseTable ( - ACPI_TABLE_DESC *TableDesc, - ACPI_NAMESPACE_NODE *StartNode) -{ - ACPI_STATUS Status; - - - FUNCTION_TRACE ("NsParseTable"); - - - /* - * AML Parse, pass 1 - * - * In this pass, we load most of the namespace. Control methods - * are not parsed until later. A parse tree is not created. Instead, - * each Parser Op subtree is deleted when it is finished. This saves - * a great deal of memory, and allows a small cache of parse objects - * to service the entire parse. The second pass of the parse then - * performs another complete parse of the AML.. - */ - - Status = AcpiNsOneCompleteParse (1, TableDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - - /* - * AML Parse, pass 2 - * - * In this pass, we resolve forward references and other things - * that could not be completed during the first pass. - * Another complete parse of the AML is performed, but the - * overhead of this is compensated for by the fact that the - * parse objects are all cached. - */ - - Status = AcpiNsOneCompleteParse (2, TableDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - return_ACPI_STATUS (Status); -} - - -/***************************************************************************** - * - * FUNCTION: AcpiNsLoadTable - * - * PARAMETERS: *PcodeAddr - Address of pcode block - * PcodeLength - Length of pcode block - * - * RETURN: Status - * - * DESCRIPTION: Load one ACPI table into the namespace - * - ****************************************************************************/ - -ACPI_STATUS -AcpiNsLoadTable ( - ACPI_TABLE_DESC *TableDesc, - ACPI_NAMESPACE_NODE *Node) -{ - ACPI_STATUS Status; - - - FUNCTION_TRACE ("NsLoadTable"); - - - if (!TableDesc->AmlPointer) - { - DEBUG_PRINT (ACPI_ERROR, ("NsLoadTable: Null AML pointer\n")); - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - DEBUG_PRINT (ACPI_INFO, - ("NsLoadTable: AML block at %p\n", TableDesc->AmlPointer)); - - - if (!TableDesc->AmlLength) - { - DEBUG_PRINT (ACPI_ERROR, - ("NsLoadTable: Zero-length AML block\n")); - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - - /* - * Parse the table and load the namespace with all named - * objects found within. Control methods are NOT parsed - * at this time. In fact, the control methods cannot be - * parsed until the entire namespace is loaded, because - * if a control method makes a forward reference (call) - * to another control method, we can't continue parsing - * because we don't know how many arguments to parse next! - */ - - DEBUG_PRINT (ACPI_INFO, - ("NsLoadTable: **** Loading table into namespace ****\n")); - - AcpiCmAcquireMutex (ACPI_MTX_NAMESPACE); - Status = AcpiNsParseTable (TableDesc, Node->Child); - AcpiCmReleaseMutex (ACPI_MTX_NAMESPACE); - - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* - * Now we can parse the control methods. We always parse - * them here for a sanity check, and if configured for - * just-in-time parsing, we delete the control method - * parse trees. - */ - - DEBUG_PRINT (ACPI_INFO, - ("NsLoadTable: **** Begin Table Method Parsing and Object Initialization ****\n")); - - Status = AcpiDsInitializeObjects (TableDesc, Node); - - DEBUG_PRINT (ACPI_INFO, - ("NsLoadTable: **** Completed Table Method Parsing and Object Initialization ****\n")); - - return_ACPI_STATUS (Status); -} - - -/****************************************************************************** - * - * FUNCTION: AcpiNsLoadTableByType - * - * PARAMETERS: TableType - Id of the table type to load - * - * RETURN: Status - * - * DESCRIPTION: Load an ACPI table or tables into the namespace. All tables - * of the given type are loaded. The mechanism allows this - * routine to be called repeatedly. - * - *****************************************************************************/ - -ACPI_STATUS -AcpiNsLoadTableByType ( - ACPI_TABLE_TYPE TableType) -{ - UINT32 i; - ACPI_STATUS Status = AE_OK; - ACPI_TABLE_HEADER *TablePtr; - ACPI_TABLE_DESC *TableDesc; - - - FUNCTION_TRACE ("NsLoadTableByType"); - - - AcpiCmAcquireMutex (ACPI_MTX_TABLES); - - - /* - * Table types supported are: - * DSDT (one), SSDT/PSDT (multiple) - */ - - switch (TableType) - { - - case ACPI_TABLE_DSDT: - - DEBUG_PRINT (ACPI_INFO, ("NsLoadTableByType: Loading DSDT\n")); - - TableDesc = &AcpiGbl_AcpiTables[ACPI_TABLE_DSDT]; - - /* If table already loaded into namespace, just return */ - - if (TableDesc->LoadedIntoNamespace) - { - goto UnlockAndExit; - } - - TableDesc->TableId = TABLE_ID_DSDT; - - /* Now load the single DSDT */ - - Status = AcpiNsLoadTable (TableDesc, AcpiGbl_RootNode); - if (ACPI_SUCCESS (Status)) - { - TableDesc->LoadedIntoNamespace = TRUE; - } - - break; - - - case ACPI_TABLE_SSDT: - - DEBUG_PRINT (ACPI_INFO, - ("NsLoadTableByType: Loading %d SSDTs\n", - AcpiGbl_AcpiTables[ACPI_TABLE_SSDT].Count)); - - /* - * Traverse list of SSDT tables - */ - - TableDesc = &AcpiGbl_AcpiTables[ACPI_TABLE_SSDT]; - for (i = 0; i < AcpiGbl_AcpiTables[ACPI_TABLE_SSDT].Count; i++) - { - TablePtr = TableDesc->Pointer; - - /* - * Only attempt to load table if it is not - * already loaded! - */ - - if (!TableDesc->LoadedIntoNamespace) - { - Status = AcpiNsLoadTable (TableDesc, - AcpiGbl_RootNode); - if (ACPI_FAILURE (Status)) - { - break; - } - - TableDesc->LoadedIntoNamespace = TRUE; - } - - TableDesc = TableDesc->Next; - } - - break; - - - case ACPI_TABLE_PSDT: - - DEBUG_PRINT (ACPI_INFO, - ("NsLoadTableByType: Loading %d PSDTs\n", - AcpiGbl_AcpiTables[ACPI_TABLE_PSDT].Count)); - - /* - * Traverse list of PSDT tables - */ - - TableDesc = &AcpiGbl_AcpiTables[ACPI_TABLE_PSDT]; - - for (i = 0; i < AcpiGbl_AcpiTables[ACPI_TABLE_PSDT].Count; i++) - { - TablePtr = TableDesc->Pointer; - - /* Only attempt to load table if it is not already loaded! */ - - if (!TableDesc->LoadedIntoNamespace) - { - Status = AcpiNsLoadTable (TableDesc, - AcpiGbl_RootNode); - if (ACPI_FAILURE (Status)) - { - break; - } - - TableDesc->LoadedIntoNamespace = TRUE; - } - - TableDesc = TableDesc->Next; - } - - break; - - - default: - Status = AE_SUPPORT; - } - - -UnlockAndExit: - - AcpiCmReleaseMutex (ACPI_MTX_TABLES); - - return_ACPI_STATUS (Status); - -} - - -/****************************************************************************** - * - * FUNCTION: AcpiNsDeleteSubtree - * - * PARAMETERS: StartHandle - Handle in namespace where search begins - * - * RETURNS Status - * - * DESCRIPTION: Walks the namespace starting at the given handle and deletes - * all objects, entries, and scopes in the entire subtree. - * - * TBD: [Investigate] What if any part of this subtree is in use? - * (i.e. on one of the object stacks?) - * - ******************************************************************************/ - -ACPI_STATUS -AcpiNsDeleteSubtree ( - ACPI_HANDLE StartHandle) -{ - ACPI_STATUS Status; - ACPI_HANDLE ChildHandle; - ACPI_HANDLE ParentHandle; - ACPI_HANDLE NextChildHandle; - ACPI_HANDLE Dummy; - UINT32 Level; - - - FUNCTION_TRACE ("NsDeleteSubtree"); - - - ParentHandle = StartHandle; - ChildHandle = 0; - Level = 1; - - /* - * Traverse the tree of objects until we bubble back up - * to where we started. - */ - - while (Level > 0) - { - /* Attempt to get the next object in this scope */ - - Status = AcpiGetNextObject (ACPI_TYPE_ANY, ParentHandle, - ChildHandle, - &NextChildHandle); - - ChildHandle = NextChildHandle; - - - /* Did we get a new object? */ - - if (ACPI_SUCCESS (Status)) - { - /* Check if this object has any children */ - - if (ACPI_SUCCESS (AcpiGetNextObject (ACPI_TYPE_ANY, - ChildHandle, 0, - &Dummy))) - { - /* - * There is at least one child of this object, - * visit the object - */ - - Level++; - ParentHandle = ChildHandle; - ChildHandle = 0; - } - } - - else - { - /* - * No more children in this object, go back up to - * the object's parent - */ - Level--; - - /* Delete all children now */ - - AcpiNsDeleteChildren (ChildHandle); - - ChildHandle = ParentHandle; - AcpiGetParent (ParentHandle, &ParentHandle); - } - } - - /* Now delete the starting object, and we are done */ - - AcpiNsDeleteNode (ChildHandle); - - - return_ACPI_STATUS (AE_OK); -} - - -/**************************************************************************** - * - * FUNCTION: AcpiNsUnloadNameSpace - * - * PARAMETERS: Handle - Root of namespace subtree to be deleted - * - * RETURN: Status - * - * DESCRIPTION: Shrinks the namespace, typically in response to an undocking - * event. Deletes an entire subtree starting from (and - * including) the given handle. - * - ****************************************************************************/ - -ACPI_STATUS -AcpiNsUnloadNamespace ( - ACPI_HANDLE Handle) -{ - ACPI_STATUS Status; - - - FUNCTION_TRACE ("NsUnloadNameSpace"); - - - /* Parameter validation */ - - if (!AcpiGbl_RootNode) - { - return_ACPI_STATUS (AE_NO_NAMESPACE); - } - - if (!Handle) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - - /* This function does the real work */ - - Status = AcpiNsDeleteSubtree (Handle); - - return_ACPI_STATUS (Status); -} - - |