+++ /dev/null
-/******************************************************************************
- *
- * Module Name: tbinstal - ACPI table installation and removal
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2017, 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 "actables.h"
-
-#define _COMPONENT ACPI_TABLES
- ACPI_MODULE_NAME ("tbinstal")
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiTbInstallTableWithOverride
- *
- * PARAMETERS: NewTableDesc - New table descriptor to install
- * Override - Whether override should be performed
- * TableIndex - Where the table index is returned
- *
- * RETURN: None
- *
- * DESCRIPTION: Install an ACPI table into the global data structure. The
- * table override mechanism is called to allow the host
- * OS to replace any table before it is installed in the root
- * table array.
- *
- ******************************************************************************/
-
-void
-AcpiTbInstallTableWithOverride (
- ACPI_TABLE_DESC *NewTableDesc,
- BOOLEAN Override,
- UINT32 *TableIndex)
-{
- UINT32 i;
- ACPI_STATUS Status;
-
-
- Status = AcpiTbGetNextTableDescriptor (&i, NULL);
- if (ACPI_FAILURE (Status))
- {
- return;
- }
-
- /*
- * ACPI Table Override:
- *
- * Before we install the table, let the host OS override it with a new
- * one if desired. Any table within the RSDT/XSDT can be replaced,
- * including the DSDT which is pointed to by the FADT.
- */
- if (Override)
- {
- AcpiTbOverrideTable (NewTableDesc);
- }
-
- AcpiTbInitTableDescriptor (&AcpiGbl_RootTableList.Tables[i],
- NewTableDesc->Address, NewTableDesc->Flags, NewTableDesc->Pointer);
-
- AcpiTbPrintTableHeader (NewTableDesc->Address, NewTableDesc->Pointer);
-
- /* This synchronizes AcpiGbl_DsdtIndex */
-
- *TableIndex = i;
-
- /* Set the global integer width (based upon revision of the DSDT) */
-
- if (i == AcpiGbl_DsdtIndex)
- {
- AcpiUtSetIntegerWidth (NewTableDesc->Pointer->Revision);
- }
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiTbInstallStandardTable
- *
- * PARAMETERS: Address - Address of the table (might be a virtual
- * address depending on the TableFlags)
- * Flags - Flags for the table
- * Reload - Whether reload should be performed
- * Override - Whether override should be performed
- * TableIndex - Where the table index is returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: This function is called to verify and install an ACPI table.
- * When this function is called by "Load" or "LoadTable" opcodes,
- * or by AcpiLoadTable() API, the "Reload" parameter is set.
- * After sucessfully returning from this function, table is
- * "INSTALLED" but not "VALIDATED".
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiTbInstallStandardTable (
- ACPI_PHYSICAL_ADDRESS Address,
- UINT8 Flags,
- BOOLEAN Reload,
- BOOLEAN Override,
- UINT32 *TableIndex)
-{
- UINT32 i;
- ACPI_STATUS Status = AE_OK;
- ACPI_TABLE_DESC NewTableDesc;
-
-
- ACPI_FUNCTION_TRACE (TbInstallStandardTable);
-
-
- /* Acquire a temporary table descriptor for validation */
-
- Status = AcpiTbAcquireTempTable (&NewTableDesc, Address, Flags);
- if (ACPI_FAILURE (Status))
- {
- ACPI_ERROR ((AE_INFO,
- "Could not acquire table length at %8.8X%8.8X",
- ACPI_FORMAT_UINT64 (Address)));
- return_ACPI_STATUS (Status);
- }
-
- /*
- * Optionally do not load any SSDTs from the RSDT/XSDT. This can
- * be useful for debugging ACPI problems on some machines.
- */
- if (!Reload &&
- AcpiGbl_DisableSsdtTableInstall &&
- ACPI_COMPARE_NAME (&NewTableDesc.Signature, ACPI_SIG_SSDT))
- {
- ACPI_INFO ((
- "Ignoring installation of %4.4s at %8.8X%8.8X",
- NewTableDesc.Signature.Ascii, ACPI_FORMAT_UINT64 (Address)));
- goto ReleaseAndExit;
- }
-
- /* Acquire the table lock */
-
- (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
-
- /* Validate and verify a table before installation */
-
- Status = AcpiTbVerifyTempTable (&NewTableDesc, NULL, &i);
- if (ACPI_FAILURE (Status))
- {
- if (Status == AE_CTRL_TERMINATE)
- {
- /*
- * Table was unloaded, allow it to be reloaded.
- * As we are going to return AE_OK to the caller, we should
- * take the responsibility of freeing the input descriptor.
- * Refill the input descriptor to ensure
- * AcpiTbInstallTableWithOverride() can be called again to
- * indicate the re-installation.
- */
- AcpiTbUninstallTable (&NewTableDesc);
- (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
- *TableIndex = i;
- return_ACPI_STATUS (AE_OK);
- }
- goto UnlockAndExit;
- }
-
- /* Add the table to the global root table list */
-
- AcpiTbInstallTableWithOverride (&NewTableDesc, Override, TableIndex);
-
- /* Invoke table handler */
-
- (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
- AcpiTbNotifyTable (ACPI_TABLE_EVENT_INSTALL, NewTableDesc.Pointer);
- (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
-
-UnlockAndExit:
-
- /* Release the table lock */
-
- (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
-
-ReleaseAndExit:
-
- /* Release the temporary table descriptor */
-
- AcpiTbReleaseTempTable (&NewTableDesc);
- return_ACPI_STATUS (Status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiTbOverrideTable
- *
- * PARAMETERS: OldTableDesc - Validated table descriptor to be
- * overridden
- *
- * RETURN: None
- *
- * DESCRIPTION: Attempt table override by calling the OSL override functions.
- * Note: If the table is overridden, then the entire new table
- * is acquired and returned by this function.
- * Before/after invocation, the table descriptor is in a state
- * that is "VALIDATED".
- *
- ******************************************************************************/
-
-void
-AcpiTbOverrideTable (
- ACPI_TABLE_DESC *OldTableDesc)
-{
- ACPI_STATUS Status;
- char *OverrideType;
- ACPI_TABLE_DESC NewTableDesc;
- ACPI_TABLE_HEADER *Table;
- ACPI_PHYSICAL_ADDRESS Address;
- UINT32 Length;
-
-
- /* (1) Attempt logical override (returns a logical address) */
-
- Status = AcpiOsTableOverride (OldTableDesc->Pointer, &Table);
- if (ACPI_SUCCESS (Status) && Table)
- {
- AcpiTbAcquireTempTable (&NewTableDesc, ACPI_PTR_TO_PHYSADDR (Table),
- ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL);
- OverrideType = "Logical";
- goto FinishOverride;
- }
-
- /* (2) Attempt physical override (returns a physical address) */
-
- Status = AcpiOsPhysicalTableOverride (OldTableDesc->Pointer,
- &Address, &Length);
- if (ACPI_SUCCESS (Status) && Address && Length)
- {
- AcpiTbAcquireTempTable (&NewTableDesc, Address,
- ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL);
- OverrideType = "Physical";
- goto FinishOverride;
- }
-
- return; /* There was no override */
-
-
-FinishOverride:
-
- /*
- * Validate and verify a table before overriding, no nested table
- * duplication check as it's too complicated and unnecessary.
- */
- Status = AcpiTbVerifyTempTable (&NewTableDesc, NULL, NULL);
- if (ACPI_FAILURE (Status))
- {
- return;
- }
-
- ACPI_INFO (("%4.4s 0x%8.8X%8.8X"
- " %s table override, new table: 0x%8.8X%8.8X",
- OldTableDesc->Signature.Ascii,
- ACPI_FORMAT_UINT64 (OldTableDesc->Address),
- OverrideType, ACPI_FORMAT_UINT64 (NewTableDesc.Address)));
-
- /* We can now uninstall the original table */
-
- AcpiTbUninstallTable (OldTableDesc);
-
- /*
- * Replace the original table descriptor and keep its state as
- * "VALIDATED".
- */
- AcpiTbInitTableDescriptor (OldTableDesc, NewTableDesc.Address,
- NewTableDesc.Flags, NewTableDesc.Pointer);
- AcpiTbValidateTempTable (OldTableDesc);
-
- /* Release the temporary table descriptor */
-
- AcpiTbReleaseTempTable (&NewTableDesc);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiTbUninstallTable
- *
- * PARAMETERS: TableDesc - Table descriptor
- *
- * RETURN: None
- *
- * DESCRIPTION: Delete one internal ACPI table
- *
- ******************************************************************************/
-
-void
-AcpiTbUninstallTable (
- ACPI_TABLE_DESC *TableDesc)
-{
-
- ACPI_FUNCTION_TRACE (TbUninstallTable);
-
-
- /* Table must be installed */
-
- if (!TableDesc->Address)
- {
- return_VOID;
- }
-
- AcpiTbInvalidateTable (TableDesc);
-
- if ((TableDesc->Flags & ACPI_TABLE_ORIGIN_MASK) ==
- ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL)
- {
- ACPI_FREE (ACPI_PHYSADDR_TO_PTR (TableDesc->Address));
- }
-
- TableDesc->Address = ACPI_PTR_TO_PHYSADDR (NULL);
- return_VOID;
-}
projects / reactos.git / blobdiff