mirror of
https://github.com/reactos/reactos.git
synced 2025-01-01 03:54:02 +00:00
357 lines
11 KiB
C
357 lines
11 KiB
C
/******************************************************************************
|
|
*
|
|
* Module Name: tbinstal - ACPI table installation and removal
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
* Copyright (C) 2000 - 2019, 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 successfully 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_NAMESEG (&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;
|
|
ACPI_TABLE_DESC NewTableDesc;
|
|
ACPI_TABLE_HEADER *Table;
|
|
ACPI_PHYSICAL_ADDRESS Address;
|
|
UINT32 Length;
|
|
ACPI_ERROR_ONLY (char *OverrideType);
|
|
|
|
|
|
/* (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);
|
|
ACPI_ERROR_ONLY (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);
|
|
ACPI_ERROR_ONLY (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;
|
|
}
|