807 lines
23 KiB
C
807 lines
23 KiB
C
/******************************************************************************
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*
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* Module Name: tbinstal - ACPI table installation and removal
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2012, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#define __TBINSTAL_C__
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#include <contrib/dev/acpica/include/acpi.h>
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#include <contrib/dev/acpica/include/accommon.h>
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#include <contrib/dev/acpica/include/acnamesp.h>
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#include <contrib/dev/acpica/include/actables.h>
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#define _COMPONENT ACPI_TABLES
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ACPI_MODULE_NAME ("tbinstal")
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/******************************************************************************
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*
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* FUNCTION: AcpiTbVerifyTable
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*
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* PARAMETERS: TableDesc - table
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*
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* RETURN: Status
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*
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* DESCRIPTION: this function is called to verify and map table
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiTbVerifyTable (
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ACPI_TABLE_DESC *TableDesc)
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{
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ACPI_STATUS Status = AE_OK;
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ACPI_FUNCTION_TRACE (TbVerifyTable);
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/* Map the table if necessary */
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if (!TableDesc->Pointer)
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{
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if ((TableDesc->Flags & ACPI_TABLE_ORIGIN_MASK) ==
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ACPI_TABLE_ORIGIN_MAPPED)
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{
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TableDesc->Pointer = AcpiOsMapMemory (
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TableDesc->Address, TableDesc->Length);
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}
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if (!TableDesc->Pointer)
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{
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return_ACPI_STATUS (AE_NO_MEMORY);
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}
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}
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/* FACS is the odd table, has no standard ACPI header and no checksum */
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if (!ACPI_COMPARE_NAME (&TableDesc->Signature, ACPI_SIG_FACS))
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{
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/* Always calculate checksum, ignore bad checksum if requested */
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Status = AcpiTbVerifyChecksum (TableDesc->Pointer, TableDesc->Length);
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}
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return_ACPI_STATUS (Status);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbAddTable
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*
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* PARAMETERS: TableDesc - Table descriptor
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* TableIndex - Where the table index is returned
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*
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* RETURN: Status
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*
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* DESCRIPTION: This function is called to add an ACPI table. It is used to
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* dynamically load tables via the Load and LoadTable AML
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* operators.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiTbAddTable (
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ACPI_TABLE_DESC *TableDesc,
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UINT32 *TableIndex)
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{
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UINT32 i;
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ACPI_STATUS Status = AE_OK;
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ACPI_FUNCTION_TRACE (TbAddTable);
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if (!TableDesc->Pointer)
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{
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Status = AcpiTbVerifyTable (TableDesc);
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if (ACPI_FAILURE (Status) || !TableDesc->Pointer)
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{
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return_ACPI_STATUS (Status);
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}
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}
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/*
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* Validate the incoming table signature.
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*
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* 1) Originally, we checked the table signature for "SSDT" or "PSDT".
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* 2) We added support for OEMx tables, signature "OEM".
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* 3) Valid tables were encountered with a null signature, so we just
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* gave up on validating the signature, (05/2008).
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* 4) We encountered non-AML tables such as the MADT, which caused
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* interpreter errors and kernel faults. So now, we once again allow
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* only "SSDT", "OEMx", and now, also a null signature. (05/2011).
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*/
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if ((TableDesc->Pointer->Signature[0] != 0x00) &&
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(!ACPI_COMPARE_NAME (TableDesc->Pointer->Signature, ACPI_SIG_SSDT)) &&
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(ACPI_STRNCMP (TableDesc->Pointer->Signature, "OEM", 3)))
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{
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ACPI_ERROR ((AE_INFO,
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"Table has invalid signature [%4.4s] (0x%8.8X), must be SSDT or OEMx",
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AcpiUtValidAcpiName (*(UINT32 *) TableDesc->Pointer->Signature) ?
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TableDesc->Pointer->Signature : "????",
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*(UINT32 *) TableDesc->Pointer->Signature));
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return_ACPI_STATUS (AE_BAD_SIGNATURE);
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}
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(void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
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/* Check if table is already registered */
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for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; ++i)
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{
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if (!AcpiGbl_RootTableList.Tables[i].Pointer)
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{
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Status = AcpiTbVerifyTable (&AcpiGbl_RootTableList.Tables[i]);
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if (ACPI_FAILURE (Status) ||
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!AcpiGbl_RootTableList.Tables[i].Pointer)
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{
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continue;
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}
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}
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/*
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* Check for a table match on the entire table length,
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* not just the header.
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*/
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if (TableDesc->Length != AcpiGbl_RootTableList.Tables[i].Length)
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{
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continue;
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}
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if (ACPI_MEMCMP (TableDesc->Pointer,
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AcpiGbl_RootTableList.Tables[i].Pointer,
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AcpiGbl_RootTableList.Tables[i].Length))
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{
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continue;
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}
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/*
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* Note: the current mechanism does not unregister a table if it is
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* dynamically unloaded. The related namespace entries are deleted,
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* but the table remains in the root table list.
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*
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* The assumption here is that the number of different tables that
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* will be loaded is actually small, and there is minimal overhead
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* in just keeping the table in case it is needed again.
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*
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* If this assumption changes in the future (perhaps on large
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* machines with many table load/unload operations), tables will
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* need to be unregistered when they are unloaded, and slots in the
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* root table list should be reused when empty.
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*/
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/*
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* Table is already registered.
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* We can delete the table that was passed as a parameter.
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*/
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AcpiTbDeleteTable (TableDesc);
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*TableIndex = i;
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if (AcpiGbl_RootTableList.Tables[i].Flags & ACPI_TABLE_IS_LOADED)
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{
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/* Table is still loaded, this is an error */
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Status = AE_ALREADY_EXISTS;
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goto Release;
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}
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else
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{
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/* Table was unloaded, allow it to be reloaded */
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TableDesc->Pointer = AcpiGbl_RootTableList.Tables[i].Pointer;
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TableDesc->Address = AcpiGbl_RootTableList.Tables[i].Address;
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Status = AE_OK;
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goto PrintHeader;
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}
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}
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/*
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* ACPI Table Override:
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* Allow the host to override dynamically loaded tables.
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* NOTE: the table is fully mapped at this point, and the mapping will
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* be deleted by TbTableOverride if the table is actually overridden.
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*/
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(void) AcpiTbTableOverride (TableDesc->Pointer, TableDesc);
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/* Add the table to the global root table list */
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Status = AcpiTbStoreTable (TableDesc->Address, TableDesc->Pointer,
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TableDesc->Length, TableDesc->Flags, TableIndex);
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if (ACPI_FAILURE (Status))
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{
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goto Release;
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}
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PrintHeader:
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AcpiTbPrintTableHeader (TableDesc->Address, TableDesc->Pointer);
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Release:
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(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
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return_ACPI_STATUS (Status);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbTableOverride
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*
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* PARAMETERS: TableHeader - Header for the original table
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* TableDesc - Table descriptor initialized for the
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* original table. May or may not be mapped.
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*
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* RETURN: Pointer to the entire new table. NULL if table not overridden.
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* If overridden, installs the new table within the input table
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* descriptor.
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*
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* DESCRIPTION: Attempt table override by calling the OSL override functions.
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* Note: If the table is overridden, then the entire new table
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* is mapped and returned by this function.
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*
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******************************************************************************/
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ACPI_TABLE_HEADER *
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AcpiTbTableOverride (
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ACPI_TABLE_HEADER *TableHeader,
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ACPI_TABLE_DESC *TableDesc)
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{
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ACPI_STATUS Status;
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ACPI_TABLE_HEADER *NewTable = NULL;
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ACPI_PHYSICAL_ADDRESS NewAddress = 0;
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UINT32 NewTableLength = 0;
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UINT8 NewFlags;
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char *OverrideType;
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/* (1) Attempt logical override (returns a logical address) */
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Status = AcpiOsTableOverride (TableHeader, &NewTable);
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if (ACPI_SUCCESS (Status) && NewTable)
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{
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NewAddress = ACPI_PTR_TO_PHYSADDR (NewTable);
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NewTableLength = NewTable->Length;
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NewFlags = ACPI_TABLE_ORIGIN_OVERRIDE;
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OverrideType = "Logical";
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goto FinishOverride;
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}
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/* (2) Attempt physical override (returns a physical address) */
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Status = AcpiOsPhysicalTableOverride (TableHeader,
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&NewAddress, &NewTableLength);
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if (ACPI_SUCCESS (Status) && NewAddress && NewTableLength)
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{
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/* Map the entire new table */
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NewTable = AcpiOsMapMemory (NewAddress, NewTableLength);
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if (!NewTable)
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{
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ACPI_EXCEPTION ((AE_INFO, AE_NO_MEMORY,
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"%4.4s %p Attempted physical table override failed",
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TableHeader->Signature,
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ACPI_CAST_PTR (void, TableDesc->Address)));
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return (NULL);
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}
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OverrideType = "Physical";
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NewFlags = ACPI_TABLE_ORIGIN_MAPPED;
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goto FinishOverride;
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}
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return (NULL); /* There was no override */
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FinishOverride:
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ACPI_INFO ((AE_INFO,
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"%4.4s %p %s table override, new table: %p",
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TableHeader->Signature,
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ACPI_CAST_PTR (void, TableDesc->Address),
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OverrideType, NewTable));
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/* We can now unmap/delete the original table (if fully mapped) */
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AcpiTbDeleteTable (TableDesc);
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/* Setup descriptor for the new table */
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TableDesc->Address = NewAddress;
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TableDesc->Pointer = NewTable;
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TableDesc->Length = NewTableLength;
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TableDesc->Flags = NewFlags;
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return (NewTable);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbResizeRootTableList
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*
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* PARAMETERS: None
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*
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* RETURN: Status
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*
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* DESCRIPTION: Expand the size of global table array
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiTbResizeRootTableList (
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void)
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{
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ACPI_TABLE_DESC *Tables;
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ACPI_FUNCTION_TRACE (TbResizeRootTableList);
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/* AllowResize flag is a parameter to AcpiInitializeTables */
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if (!(AcpiGbl_RootTableList.Flags & ACPI_ROOT_ALLOW_RESIZE))
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{
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ACPI_ERROR ((AE_INFO, "Resize of Root Table Array is not allowed"));
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return_ACPI_STATUS (AE_SUPPORT);
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}
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/* Increase the Table Array size */
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Tables = ACPI_ALLOCATE_ZEROED (
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((ACPI_SIZE) AcpiGbl_RootTableList.MaxTableCount +
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ACPI_ROOT_TABLE_SIZE_INCREMENT) *
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sizeof (ACPI_TABLE_DESC));
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if (!Tables)
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{
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ACPI_ERROR ((AE_INFO, "Could not allocate new root table array"));
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return_ACPI_STATUS (AE_NO_MEMORY);
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}
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/* Copy and free the previous table array */
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if (AcpiGbl_RootTableList.Tables)
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{
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ACPI_MEMCPY (Tables, AcpiGbl_RootTableList.Tables,
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(ACPI_SIZE) AcpiGbl_RootTableList.MaxTableCount * sizeof (ACPI_TABLE_DESC));
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if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED)
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{
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ACPI_FREE (AcpiGbl_RootTableList.Tables);
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}
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}
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AcpiGbl_RootTableList.Tables = Tables;
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AcpiGbl_RootTableList.MaxTableCount += ACPI_ROOT_TABLE_SIZE_INCREMENT;
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AcpiGbl_RootTableList.Flags |= (UINT8) ACPI_ROOT_ORIGIN_ALLOCATED;
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return_ACPI_STATUS (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbStoreTable
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*
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* PARAMETERS: Address - Table address
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* Table - Table header
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* Length - Table length
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* Flags - flags
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*
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* RETURN: Status and table index.
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*
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* DESCRIPTION: Add an ACPI table to the global table list
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiTbStoreTable (
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ACPI_PHYSICAL_ADDRESS Address,
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ACPI_TABLE_HEADER *Table,
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UINT32 Length,
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UINT8 Flags,
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UINT32 *TableIndex)
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{
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ACPI_STATUS Status;
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ACPI_TABLE_DESC *NewTable;
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/* Ensure that there is room for the table in the Root Table List */
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if (AcpiGbl_RootTableList.CurrentTableCount >=
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AcpiGbl_RootTableList.MaxTableCount)
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{
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Status = AcpiTbResizeRootTableList();
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if (ACPI_FAILURE (Status))
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{
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return (Status);
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}
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}
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NewTable = &AcpiGbl_RootTableList.Tables[AcpiGbl_RootTableList.CurrentTableCount];
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/* Initialize added table */
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NewTable->Address = Address;
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NewTable->Pointer = Table;
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NewTable->Length = Length;
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NewTable->OwnerId = 0;
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NewTable->Flags = Flags;
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ACPI_MOVE_32_TO_32 (&NewTable->Signature, Table->Signature);
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*TableIndex = AcpiGbl_RootTableList.CurrentTableCount;
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AcpiGbl_RootTableList.CurrentTableCount++;
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return (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbDeleteTable
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*
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* PARAMETERS: TableIndex - Table index
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*
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* RETURN: None
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*
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* DESCRIPTION: Delete one internal ACPI table
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*
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******************************************************************************/
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void
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AcpiTbDeleteTable (
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ACPI_TABLE_DESC *TableDesc)
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{
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/* Table must be mapped or allocated */
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if (!TableDesc->Pointer)
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{
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return;
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}
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switch (TableDesc->Flags & ACPI_TABLE_ORIGIN_MASK)
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{
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case ACPI_TABLE_ORIGIN_MAPPED:
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AcpiOsUnmapMemory (TableDesc->Pointer, TableDesc->Length);
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break;
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case ACPI_TABLE_ORIGIN_ALLOCATED:
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ACPI_FREE (TableDesc->Pointer);
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break;
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default:
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break;
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}
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TableDesc->Pointer = NULL;
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbTerminate
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*
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* PARAMETERS: None
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*
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* RETURN: None
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*
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* DESCRIPTION: Delete all internal ACPI tables
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*
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******************************************************************************/
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void
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AcpiTbTerminate (
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void)
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{
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UINT32 i;
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ACPI_FUNCTION_TRACE (TbTerminate);
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(void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
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/* Delete the individual tables */
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for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; i++)
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{
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AcpiTbDeleteTable (&AcpiGbl_RootTableList.Tables[i]);
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}
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/*
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* Delete the root table array if allocated locally. Array cannot be
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* mapped, so we don't need to check for that flag.
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*/
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if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED)
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{
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ACPI_FREE (AcpiGbl_RootTableList.Tables);
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}
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AcpiGbl_RootTableList.Tables = NULL;
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AcpiGbl_RootTableList.Flags = 0;
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AcpiGbl_RootTableList.CurrentTableCount = 0;
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ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "ACPI Tables freed\n"));
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(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbDeleteNamespaceByOwner
|
|
*
|
|
* PARAMETERS: TableIndex - Table index
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Delete all namespace objects created when this table was loaded.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiTbDeleteNamespaceByOwner (
|
|
UINT32 TableIndex)
|
|
{
|
|
ACPI_OWNER_ID OwnerId;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (TbDeleteNamespaceByOwner);
|
|
|
|
|
|
Status = AcpiUtAcquireMutex (ACPI_MTX_TABLES);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
if (TableIndex >= AcpiGbl_RootTableList.CurrentTableCount)
|
|
{
|
|
/* The table index does not exist */
|
|
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
return_ACPI_STATUS (AE_NOT_EXIST);
|
|
}
|
|
|
|
/* Get the owner ID for this table, used to delete namespace nodes */
|
|
|
|
OwnerId = AcpiGbl_RootTableList.Tables[TableIndex].OwnerId;
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
|
|
/*
|
|
* Need to acquire the namespace writer lock to prevent interference
|
|
* with any concurrent namespace walks. The interpreter must be
|
|
* released during the deletion since the acquisition of the deletion
|
|
* lock may block, and also since the execution of a namespace walk
|
|
* must be allowed to use the interpreter.
|
|
*/
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_INTERPRETER);
|
|
Status = AcpiUtAcquireWriteLock (&AcpiGbl_NamespaceRwLock);
|
|
|
|
AcpiNsDeleteNamespaceByOwner (OwnerId);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
AcpiUtReleaseWriteLock (&AcpiGbl_NamespaceRwLock);
|
|
|
|
Status = AcpiUtAcquireMutex (ACPI_MTX_INTERPRETER);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbAllocateOwnerId
|
|
*
|
|
* PARAMETERS: TableIndex - Table index
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Allocates OwnerId in TableDesc
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiTbAllocateOwnerId (
|
|
UINT32 TableIndex)
|
|
{
|
|
ACPI_STATUS Status = AE_BAD_PARAMETER;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (TbAllocateOwnerId);
|
|
|
|
|
|
(void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
|
|
if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
|
|
{
|
|
Status = AcpiUtAllocateOwnerId
|
|
(&(AcpiGbl_RootTableList.Tables[TableIndex].OwnerId));
|
|
}
|
|
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbReleaseOwnerId
|
|
*
|
|
* PARAMETERS: TableIndex - Table index
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Releases OwnerId in TableDesc
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiTbReleaseOwnerId (
|
|
UINT32 TableIndex)
|
|
{
|
|
ACPI_STATUS Status = AE_BAD_PARAMETER;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (TbReleaseOwnerId);
|
|
|
|
|
|
(void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
|
|
if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
|
|
{
|
|
AcpiUtReleaseOwnerId (
|
|
&(AcpiGbl_RootTableList.Tables[TableIndex].OwnerId));
|
|
Status = AE_OK;
|
|
}
|
|
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbGetOwnerId
|
|
*
|
|
* PARAMETERS: TableIndex - Table index
|
|
* OwnerId - Where the table OwnerId is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: returns OwnerId for the ACPI table
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiTbGetOwnerId (
|
|
UINT32 TableIndex,
|
|
ACPI_OWNER_ID *OwnerId)
|
|
{
|
|
ACPI_STATUS Status = AE_BAD_PARAMETER;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (TbGetOwnerId);
|
|
|
|
|
|
(void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
|
|
if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
|
|
{
|
|
*OwnerId = AcpiGbl_RootTableList.Tables[TableIndex].OwnerId;
|
|
Status = AE_OK;
|
|
}
|
|
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbIsTableLoaded
|
|
*
|
|
* PARAMETERS: TableIndex - Table index
|
|
*
|
|
* RETURN: Table Loaded Flag
|
|
*
|
|
******************************************************************************/
|
|
|
|
BOOLEAN
|
|
AcpiTbIsTableLoaded (
|
|
UINT32 TableIndex)
|
|
{
|
|
BOOLEAN IsLoaded = FALSE;
|
|
|
|
|
|
(void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
|
|
if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
|
|
{
|
|
IsLoaded = (BOOLEAN)
|
|
(AcpiGbl_RootTableList.Tables[TableIndex].Flags &
|
|
ACPI_TABLE_IS_LOADED);
|
|
}
|
|
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
return (IsLoaded);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbSetTableLoadedFlag
|
|
*
|
|
* PARAMETERS: TableIndex - Table index
|
|
* IsLoaded - TRUE if table is loaded, FALSE otherwise
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Sets the table loaded flag to either TRUE or FALSE.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiTbSetTableLoadedFlag (
|
|
UINT32 TableIndex,
|
|
BOOLEAN IsLoaded)
|
|
{
|
|
|
|
(void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
|
|
if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
|
|
{
|
|
if (IsLoaded)
|
|
{
|
|
AcpiGbl_RootTableList.Tables[TableIndex].Flags |=
|
|
ACPI_TABLE_IS_LOADED;
|
|
}
|
|
else
|
|
{
|
|
AcpiGbl_RootTableList.Tables[TableIndex].Flags &=
|
|
~ACPI_TABLE_IS_LOADED;
|
|
}
|
|
}
|
|
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
}
|
|
|