diff options
Diffstat (limited to 'source/components/tables/tbxface.c')
-rw-r--r-- | source/components/tables/tbxface.c | 159 |
1 files changed, 1 insertions, 158 deletions
diff --git a/source/components/tables/tbxface.c b/source/components/tables/tbxface.c index 58dae69..fcc44f3 100644 --- a/source/components/tables/tbxface.c +++ b/source/components/tables/tbxface.c @@ -1,7 +1,6 @@ /****************************************************************************** * - * Module Name: tbxface - Public interfaces to the ACPI subsystem - * ACPI table oriented interfaces + * Module Name: tbxface - ACPI table oriented external interfaces * *****************************************************************************/ @@ -46,18 +45,11 @@ #include "acpi.h" #include "accommon.h" -#include "acnamesp.h" #include "actables.h" #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME ("tbxface") -/* Local prototypes */ - -static ACPI_STATUS -AcpiTbLoadNamespace ( - void); - /******************************************************************************* * @@ -458,155 +450,6 @@ ACPI_EXPORT_SYMBOL (AcpiGetTableByIndex) /******************************************************************************* * - * FUNCTION: AcpiTbLoadNamespace - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Load the namespace from the DSDT and all SSDTs/PSDTs found in - * the RSDT/XSDT. - * - ******************************************************************************/ - -static ACPI_STATUS -AcpiTbLoadNamespace ( - void) -{ - ACPI_STATUS Status; - UINT32 i; - ACPI_TABLE_HEADER *NewDsdt; - - - ACPI_FUNCTION_TRACE (TbLoadNamespace); - - - (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES); - - /* - * Load the namespace. The DSDT is required, but any SSDT and - * PSDT tables are optional. Verify the DSDT. - */ - if (!AcpiGbl_RootTableList.CurrentTableCount || - !ACPI_COMPARE_NAME ( - &(AcpiGbl_RootTableList.Tables[ACPI_TABLE_INDEX_DSDT].Signature), - ACPI_SIG_DSDT) || - ACPI_FAILURE (AcpiTbVerifyTable ( - &AcpiGbl_RootTableList.Tables[ACPI_TABLE_INDEX_DSDT]))) - { - Status = AE_NO_ACPI_TABLES; - goto UnlockAndExit; - } - - /* - * Save the DSDT pointer for simple access. This is the mapped memory - * address. We must take care here because the address of the .Tables - * array can change dynamically as tables are loaded at run-time. Note: - * .Pointer field is not validated until after call to AcpiTbVerifyTable. - */ - AcpiGbl_DSDT = AcpiGbl_RootTableList.Tables[ACPI_TABLE_INDEX_DSDT].Pointer; - - /* - * Optionally copy the entire DSDT to local memory (instead of simply - * mapping it.) There are some BIOSs that corrupt or replace the original - * DSDT, creating the need for this option. Default is FALSE, do not copy - * the DSDT. - */ - if (AcpiGbl_CopyDsdtLocally) - { - NewDsdt = AcpiTbCopyDsdt (ACPI_TABLE_INDEX_DSDT); - if (NewDsdt) - { - AcpiGbl_DSDT = NewDsdt; - } - } - - /* - * Save the original DSDT header for detection of table corruption - * and/or replacement of the DSDT from outside the OS. - */ - ACPI_MEMCPY (&AcpiGbl_OriginalDsdtHeader, AcpiGbl_DSDT, - sizeof (ACPI_TABLE_HEADER)); - - (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES); - - /* Load and parse tables */ - - Status = AcpiNsLoadTable (ACPI_TABLE_INDEX_DSDT, AcpiGbl_RootNode); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* Load any SSDT or PSDT tables. Note: Loop leaves tables locked */ - - (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES); - for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; ++i) - { - if ((!ACPI_COMPARE_NAME (&(AcpiGbl_RootTableList.Tables[i].Signature), - ACPI_SIG_SSDT) && - !ACPI_COMPARE_NAME (&(AcpiGbl_RootTableList.Tables[i].Signature), - ACPI_SIG_PSDT)) || - ACPI_FAILURE (AcpiTbVerifyTable ( - &AcpiGbl_RootTableList.Tables[i]))) - { - continue; - } - - /* Ignore errors while loading tables, get as many as possible */ - - (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES); - (void) AcpiNsLoadTable (i, AcpiGbl_RootNode); - (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES); - } - - ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "ACPI Tables successfully acquired\n")); - -UnlockAndExit: - (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES); - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiLoadTables - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Load the ACPI tables from the RSDT/XSDT - * - ******************************************************************************/ - -ACPI_STATUS -AcpiLoadTables ( - void) -{ - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (AcpiLoadTables); - - - /* Load the namespace from the tables */ - - Status = AcpiTbLoadNamespace (); - if (ACPI_FAILURE (Status)) - { - ACPI_EXCEPTION ((AE_INFO, Status, - "While loading namespace from ACPI tables")); - } - - return_ACPI_STATUS (Status); -} - -ACPI_EXPORT_SYMBOL (AcpiLoadTables) - - -/******************************************************************************* - * * FUNCTION: AcpiInstallTableHandler * * PARAMETERS: Handler - Table event handler |