diff options
Diffstat (limited to 'usr/src/common/acpica/tables/tbdata.c')
| -rw-r--r-- | usr/src/common/acpica/tables/tbdata.c | 869 |
1 files changed, 869 insertions, 0 deletions
diff --git a/usr/src/common/acpica/tables/tbdata.c b/usr/src/common/acpica/tables/tbdata.c new file mode 100644 index 0000000000..31fa25b92e --- /dev/null +++ b/usr/src/common/acpica/tables/tbdata.c @@ -0,0 +1,869 @@ +/****************************************************************************** + * + * Module Name: tbdata - Table manager data structure functions + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2016, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include "acpi.h" +#include "accommon.h" +#include "acnamesp.h" +#include "actables.h" + +#define _COMPONENT ACPI_TABLES + ACPI_MODULE_NAME ("tbdata") + + +/******************************************************************************* + * + * FUNCTION: AcpiTbInitTableDescriptor + * + * PARAMETERS: TableDesc - Table descriptor + * Address - Physical address of the table + * Flags - Allocation flags of the table + * Table - Pointer to the table + * + * RETURN: None + * + * DESCRIPTION: Initialize a new table descriptor + * + ******************************************************************************/ + +void +AcpiTbInitTableDescriptor ( + ACPI_TABLE_DESC *TableDesc, + ACPI_PHYSICAL_ADDRESS Address, + UINT8 Flags, + ACPI_TABLE_HEADER *Table) +{ + + /* + * Initialize the table descriptor. Set the pointer to NULL, since the + * table is not fully mapped at this time. + */ + memset (TableDesc, 0, sizeof (ACPI_TABLE_DESC)); + TableDesc->Address = Address; + TableDesc->Length = Table->Length; + TableDesc->Flags = Flags; + ACPI_MOVE_32_TO_32 (TableDesc->Signature.Ascii, Table->Signature); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbAcquireTable + * + * PARAMETERS: TableDesc - Table descriptor + * TablePtr - Where table is returned + * TableLength - Where table length is returned + * TableFlags - Where table allocation flags are returned + * + * RETURN: Status + * + * DESCRIPTION: Acquire an ACPI table. It can be used for tables not + * maintained in the AcpiGbl_RootTableList. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiTbAcquireTable ( + ACPI_TABLE_DESC *TableDesc, + ACPI_TABLE_HEADER **TablePtr, + UINT32 *TableLength, + UINT8 *TableFlags) +{ + ACPI_TABLE_HEADER *Table = NULL; + + + switch (TableDesc->Flags & ACPI_TABLE_ORIGIN_MASK) + { + case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL: + + Table = AcpiOsMapMemory (TableDesc->Address, TableDesc->Length); + break; + + case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL: + case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL: + + Table = ACPI_CAST_PTR (ACPI_TABLE_HEADER, + ACPI_PHYSADDR_TO_PTR (TableDesc->Address)); + break; + + default: + + break; + } + + /* Table is not valid yet */ + + if (!Table) + { + return (AE_NO_MEMORY); + } + + /* Fill the return values */ + + *TablePtr = Table; + *TableLength = TableDesc->Length; + *TableFlags = TableDesc->Flags; + return (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbReleaseTable + * + * PARAMETERS: Table - Pointer for the table + * TableLength - Length for the table + * TableFlags - Allocation flags for the table + * + * RETURN: None + * + * DESCRIPTION: Release a table. The inverse of AcpiTbAcquireTable(). + * + ******************************************************************************/ + +void +AcpiTbReleaseTable ( + ACPI_TABLE_HEADER *Table, + UINT32 TableLength, + UINT8 TableFlags) +{ + + switch (TableFlags & ACPI_TABLE_ORIGIN_MASK) + { + case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL: + + AcpiOsUnmapMemory (Table, TableLength); + break; + + case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL: + case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL: + default: + + break; + } +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbAcquireTempTable + * + * PARAMETERS: TableDesc - Table descriptor to be acquired + * Address - Address of the table + * Flags - Allocation flags of the table + * + * RETURN: Status + * + * DESCRIPTION: This function validates the table header to obtain the length + * of a table and fills the table descriptor to make its state as + * "INSTALLED". Such a table descriptor is only used for verified + * installation. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiTbAcquireTempTable ( + ACPI_TABLE_DESC *TableDesc, + ACPI_PHYSICAL_ADDRESS Address, + UINT8 Flags) +{ + ACPI_TABLE_HEADER *TableHeader; + + + switch (Flags & ACPI_TABLE_ORIGIN_MASK) + { + case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL: + + /* Get the length of the full table from the header */ + + TableHeader = AcpiOsMapMemory (Address, sizeof (ACPI_TABLE_HEADER)); + if (!TableHeader) + { + return (AE_NO_MEMORY); + } + + AcpiTbInitTableDescriptor (TableDesc, Address, Flags, TableHeader); + AcpiOsUnmapMemory (TableHeader, sizeof (ACPI_TABLE_HEADER)); + return (AE_OK); + + case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL: + case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL: + + TableHeader = ACPI_CAST_PTR (ACPI_TABLE_HEADER, + ACPI_PHYSADDR_TO_PTR (Address)); + if (!TableHeader) + { + return (AE_NO_MEMORY); + } + + AcpiTbInitTableDescriptor (TableDesc, Address, Flags, TableHeader); + return (AE_OK); + + default: + + break; + } + + /* Table is not valid yet */ + + return (AE_NO_MEMORY); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbReleaseTempTable + * + * PARAMETERS: TableDesc - Table descriptor to be released + * + * RETURN: Status + * + * DESCRIPTION: The inverse of AcpiTbAcquireTempTable(). + * + *****************************************************************************/ + +void +AcpiTbReleaseTempTable ( + ACPI_TABLE_DESC *TableDesc) +{ + + /* + * Note that the .Address is maintained by the callers of + * AcpiTbAcquireTempTable(), thus do not invoke AcpiTbUninstallTable() + * where .Address will be freed. + */ + AcpiTbInvalidateTable (TableDesc); +} + + +/****************************************************************************** + * + * FUNCTION: AcpiTbValidateTable + * + * PARAMETERS: TableDesc - Table descriptor + * + * RETURN: Status + * + * DESCRIPTION: This function is called to validate the table, the returned + * table descriptor is in "VALIDATED" state. + * + *****************************************************************************/ + +ACPI_STATUS +AcpiTbValidateTable ( + ACPI_TABLE_DESC *TableDesc) +{ + ACPI_STATUS Status = AE_OK; + + + ACPI_FUNCTION_TRACE (TbValidateTable); + + + /* Validate the table if necessary */ + + if (!TableDesc->Pointer) + { + Status = AcpiTbAcquireTable (TableDesc, &TableDesc->Pointer, + &TableDesc->Length, &TableDesc->Flags); + if (!TableDesc->Pointer) + { + Status = AE_NO_MEMORY; + } + } + + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbInvalidateTable + * + * PARAMETERS: TableDesc - Table descriptor + * + * RETURN: None + * + * DESCRIPTION: Invalidate one internal ACPI table, this is the inverse of + * AcpiTbValidateTable(). + * + ******************************************************************************/ + +void +AcpiTbInvalidateTable ( + ACPI_TABLE_DESC *TableDesc) +{ + + ACPI_FUNCTION_TRACE (TbInvalidateTable); + + + /* Table must be validated */ + + if (!TableDesc->Pointer) + { + return_VOID; + } + + AcpiTbReleaseTable (TableDesc->Pointer, TableDesc->Length, + TableDesc->Flags); + TableDesc->Pointer = NULL; + + return_VOID; +} + + +/****************************************************************************** + * + * FUNCTION: AcpiTbValidateTempTable + * + * PARAMETERS: TableDesc - Table descriptor + * + * RETURN: Status + * + * DESCRIPTION: This function is called to validate the table, the returned + * table descriptor is in "VALIDATED" state. + * + *****************************************************************************/ + +ACPI_STATUS +AcpiTbValidateTempTable ( + ACPI_TABLE_DESC *TableDesc) +{ + + if (!TableDesc->Pointer && !AcpiGbl_VerifyTableChecksum) + { + /* + * Only validates the header of the table. + * Note that Length contains the size of the mapping after invoking + * this work around, this value is required by + * AcpiTbReleaseTempTable(). + * We can do this because in AcpiInitTableDescriptor(), the Length + * field of the installed descriptor is filled with the actual + * table length obtaining from the table header. + */ + TableDesc->Length = sizeof (ACPI_TABLE_HEADER); + } + + return (AcpiTbValidateTable (TableDesc)); +} + + +/****************************************************************************** + * + * FUNCTION: AcpiTbVerifyTempTable + * + * PARAMETERS: TableDesc - Table descriptor + * Signature - Table signature to verify + * + * RETURN: Status + * + * DESCRIPTION: This function is called to validate and verify the table, the + * returned table descriptor is in "VALIDATED" state. + * + *****************************************************************************/ + +ACPI_STATUS +AcpiTbVerifyTempTable ( + ACPI_TABLE_DESC *TableDesc, + char *Signature) +{ + ACPI_STATUS Status = AE_OK; + + + ACPI_FUNCTION_TRACE (TbVerifyTempTable); + + + /* Validate the table */ + + Status = AcpiTbValidateTempTable (TableDesc); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (AE_NO_MEMORY); + } + + /* If a particular signature is expected (DSDT/FACS), it must match */ + + if (Signature && + !ACPI_COMPARE_NAME (&TableDesc->Signature, Signature)) + { + ACPI_BIOS_ERROR ((AE_INFO, + "Invalid signature 0x%X for ACPI table, expected [%s]", + TableDesc->Signature.Integer, Signature)); + Status = AE_BAD_SIGNATURE; + goto InvalidateAndExit; + } + + /* Verify the checksum */ + + if (AcpiGbl_VerifyTableChecksum) + { + Status = AcpiTbVerifyChecksum (TableDesc->Pointer, TableDesc->Length); + if (ACPI_FAILURE (Status)) + { + ACPI_EXCEPTION ((AE_INFO, AE_NO_MEMORY, + "%4.4s 0x%8.8X%8.8X" + " Attempted table install failed", + AcpiUtValidNameseg (TableDesc->Signature.Ascii) ? + TableDesc->Signature.Ascii : "????", + ACPI_FORMAT_UINT64 (TableDesc->Address))); + + goto InvalidateAndExit; + } + } + + return_ACPI_STATUS (AE_OK); + +InvalidateAndExit: + AcpiTbInvalidateTable (TableDesc); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbResizeRootTableList + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Expand the size of global table array + * + ******************************************************************************/ + +ACPI_STATUS +AcpiTbResizeRootTableList ( + void) +{ + ACPI_TABLE_DESC *Tables; + UINT32 TableCount; + + + ACPI_FUNCTION_TRACE (TbResizeRootTableList); + + + /* AllowResize flag is a parameter to AcpiInitializeTables */ + + if (!(AcpiGbl_RootTableList.Flags & ACPI_ROOT_ALLOW_RESIZE)) + { + ACPI_ERROR ((AE_INFO, "Resize of Root Table Array is not allowed")); + return_ACPI_STATUS (AE_SUPPORT); + } + + /* Increase the Table Array size */ + + if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED) + { + TableCount = AcpiGbl_RootTableList.MaxTableCount; + } + else + { + TableCount = AcpiGbl_RootTableList.CurrentTableCount; + } + + Tables = ACPI_ALLOCATE_ZEROED ( + ((ACPI_SIZE) TableCount + ACPI_ROOT_TABLE_SIZE_INCREMENT) * + sizeof (ACPI_TABLE_DESC)); + if (!Tables) + { + ACPI_ERROR ((AE_INFO, "Could not allocate new root table array")); + return_ACPI_STATUS (AE_NO_MEMORY); + } + + /* Copy and free the previous table array */ + + if (AcpiGbl_RootTableList.Tables) + { + memcpy (Tables, AcpiGbl_RootTableList.Tables, + (ACPI_SIZE) TableCount * sizeof (ACPI_TABLE_DESC)); + + if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED) + { + ACPI_FREE (AcpiGbl_RootTableList.Tables); + } + } + + AcpiGbl_RootTableList.Tables = Tables; + AcpiGbl_RootTableList.MaxTableCount = + TableCount + ACPI_ROOT_TABLE_SIZE_INCREMENT; + AcpiGbl_RootTableList.Flags |= ACPI_ROOT_ORIGIN_ALLOCATED; + + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbGetNextTableDescriptor + * + * PARAMETERS: TableIndex - Where table index is returned + * TableDesc - Where table descriptor is returned + * + * RETURN: Status and table index/descriptor. + * + * DESCRIPTION: Allocate a new ACPI table entry to the global table list + * + ******************************************************************************/ + +ACPI_STATUS +AcpiTbGetNextTableDescriptor ( + UINT32 *TableIndex, + ACPI_TABLE_DESC **TableDesc) +{ + ACPI_STATUS Status; + UINT32 i; + + + /* Ensure that there is room for the table in the Root Table List */ + + if (AcpiGbl_RootTableList.CurrentTableCount >= + AcpiGbl_RootTableList.MaxTableCount) + { + Status = AcpiTbResizeRootTableList(); + if (ACPI_FAILURE (Status)) + { + return (Status); + } + } + + i = AcpiGbl_RootTableList.CurrentTableCount; + AcpiGbl_RootTableList.CurrentTableCount++; + + if (TableIndex) + { + *TableIndex = i; + } + if (TableDesc) + { + *TableDesc = &AcpiGbl_RootTableList.Tables[i]; + } + + return (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbTerminate + * + * PARAMETERS: None + * + * RETURN: None + * + * DESCRIPTION: Delete all internal ACPI tables + * + ******************************************************************************/ + +void +AcpiTbTerminate ( + void) +{ + UINT32 i; + + + ACPI_FUNCTION_TRACE (TbTerminate); + + + (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES); + + /* Delete the individual tables */ + + for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; i++) + { + AcpiTbUninstallTable (&AcpiGbl_RootTableList.Tables[i]); + } + + /* + * Delete the root table array if allocated locally. Array cannot be + * mapped, so we don't need to check for that flag. + */ + if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED) + { + ACPI_FREE (AcpiGbl_RootTableList.Tables); + } + + AcpiGbl_RootTableList.Tables = NULL; + AcpiGbl_RootTableList.Flags = 0; + AcpiGbl_RootTableList.CurrentTableCount = 0; + + ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "ACPI Tables freed\n")); + + (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES); + return_VOID; +} + + +/******************************************************************************* + * + * 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 - Index into the root table + * + * 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); +} |