+++ /dev/null
-/** @file\r
- ACPI Support Protocol implementation\r
-\r
-Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
-\r
-SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
-**/\r
-\r
-//\r
-// Includes\r
-//\r
-#include "AcpiSupport.h"\r
-//\r
-// The maximum number of tables that pre-allocated.\r
-//\r
-UINTN mEfiAcpiMaxNumTables = EFI_ACPI_MAX_NUM_TABLES;\r
-/**\r
- This function adds an ACPI table to the table list. It will detect FACS and\r
- allocate the correct type of memory and properly align the table.\r
-\r
- @param AcpiSupportInstance Instance of the protocol.\r
- @param Table Table to add.\r
- @param Checksum Does the table require checksumming.\r
- @param Version The version of the list to add the table to.\r
- @param Handle Pointer for returning the handle.\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
- @return EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r
- @return EFI_ABORTED The table is a duplicate of a table that is required\r
- to be unique.\r
-**/\r
-EFI_STATUS\r
-AddTableToList (\r
- IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance,\r
- IN VOID *Table,\r
- IN BOOLEAN Checksum,\r
- IN EFI_ACPI_TABLE_VERSION Version,\r
- OUT UINTN *Handle\r
- );\r
-/**\r
- This function finds and removes the table specified by the handle.\r
-\r
- @param AcpiSupportInstance Instance of the protocol.\r
- @param Version Bitmask of which versions to remove.\r
- @param Handle Table to remove.\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
- @return EFI_ABORTED An error occurred.\r
- @return EFI_NOT_FOUND Handle not found in table list.\r
-**/\r
-EFI_STATUS\r
-RemoveTableFromList (\r
- IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance,\r
- IN EFI_ACPI_TABLE_VERSION Version,\r
- IN UINTN Handle\r
- );\r
-/**\r
- This function calculates and updates an UINT8 checksum.\r
-\r
- @param Buffer Pointer to buffer to checksum\r
- @param Size Number of bytes to checksum\r
- @param ChecksumOffset Offset to place the checksum result in\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
-**/\r
-EFI_STATUS\r
-AcpiPlatformChecksum (\r
- IN VOID *Buffer,\r
- IN UINTN Size,\r
- IN UINTN ChecksumOffset\r
- );\r
-/**\r
- Checksum all versions of the common tables, RSDP, RSDT, XSDT.\r
-\r
- @param AcpiSupportInstance Protocol instance private data.\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
-\r
-**/\r
-EFI_STATUS\r
-ChecksumCommonTables (\r
- IN OUT EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance\r
- );\r
-\r
-/**\r
- This function returns a table specified by an index if it exists.\r
-\r
- The function returns a buffer containing the table that the caller must free.\r
- The function also returns a handle used to identify the table for update or\r
- deletion using the SetAcpiTable function.\r
-\r
- @param This Instance of the protocol.\r
- @param Index Zero-based index of the table to retrieve.\r
- @param Table Returned pointer to the table.\r
- @param Version Versions that the table is currently used in.\r
- @param Handle Handle of the table, used in updating tables.\r
-\r
- @retval EFI_SUCCESS The function completed successfully.\r
- @retval EFI_NOT_FOUND The requested table does not exist.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-GetAcpiTable (\r
- IN EFI_ACPI_SUPPORT_PROTOCOL *This,\r
- IN INTN Index,\r
- OUT VOID **Table,\r
- OUT EFI_ACPI_TABLE_VERSION *Version,\r
- OUT UINTN *Handle\r
- )\r
-\r
-{\r
- EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance;\r
- INTN TempIndex;\r
- LIST_ENTRY *CurrentLink;\r
- LIST_ENTRY *StartLink;\r
- EFI_ACPI_TABLE_LIST *CurrentTable;\r
-\r
- //\r
- // Check for invalid input parameters\r
- //\r
- ASSERT (This);\r
- ASSERT (Table);\r
- ASSERT (Handle);\r
-\r
- //\r
- // Get the instance of the protocol\r
- //\r
- AcpiSupportInstance = EFI_ACPI_SUPPORT_INSTANCE_FROM_ACPI_SUPPORT_THIS (This);\r
-\r
- //\r
- // Find the table\r
- //\r
- CurrentLink = AcpiSupportInstance->TableList.ForwardLink;\r
- StartLink = &AcpiSupportInstance->TableList;\r
- for (TempIndex = 0; (TempIndex < Index) && (CurrentLink != StartLink) && (CurrentLink != NULL); TempIndex++) {\r
- CurrentLink = CurrentLink->ForwardLink;\r
- }\r
-\r
- if (TempIndex != Index || CurrentLink == StartLink) {\r
- return EFI_NOT_FOUND;\r
- }\r
- //\r
- // Get handle and version\r
- //\r
- CurrentTable = EFI_ACPI_TABLE_LIST_FROM_LINK (CurrentLink);\r
- *Handle = CurrentTable->Handle;\r
- *Version = CurrentTable->Version;\r
-\r
- //\r
- // Copy the table\r
- //\r
- *Table = AllocateCopyPool (CurrentTable->Table->Length, CurrentTable->Table);\r
- ASSERT (*Table);\r
-\r
- return EFI_SUCCESS;\r
-}\r
-/**\r
- This function adds, removes, or updates ACPI tables. If the address is not\r
- null and the handle value is null, the table is added. If both the address and\r
- handle are not null, the table at handle is updated with the table at address.\r
- If the address is null and the handle is not, the table at handle is deleted.\r
-\r
- @param This Pointer of the protocol.\r
- @param Table Pointer to a table.\r
- @param Checksum Boolean indicating if the checksum should be calculated.\r
- @param Version Version(s) to set.\r
- @param Handle Handle of the table.\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
- @return EFI_INVALID_PARAMETER Both the Table and *Handle were NULL.\r
- @return EFI_ABORTED Could not complete the desired request.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-SetAcpiTable (\r
- IN EFI_ACPI_SUPPORT_PROTOCOL *This,\r
- IN VOID *Table OPTIONAL,\r
- IN BOOLEAN Checksum,\r
- IN EFI_ACPI_TABLE_VERSION Version,\r
- IN OUT UINTN *Handle\r
- )\r
-{\r
- EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance;\r
- UINTN SavedHandle;\r
- EFI_STATUS Status;\r
-\r
- //\r
- // Check for invalid input parameters\r
- //\r
- ASSERT (This);\r
- ASSERT (Handle != NULL);\r
-\r
- //\r
- // Get the instance of the protocol\r
- //\r
- AcpiSupportInstance = EFI_ACPI_SUPPORT_INSTANCE_FROM_ACPI_SUPPORT_THIS (This);\r
-\r
- //\r
- // Initialize locals\r
- //\r
- //\r
- // Determine desired action\r
- //\r
- if (*Handle == 0) {\r
- if (Table == NULL) {\r
- //\r
- // Invalid parameter combination\r
- //\r
- return EFI_INVALID_PARAMETER;\r
- } else {\r
- //\r
- // Add table\r
- //\r
- Status = AddTableToList (AcpiSupportInstance, Table, Checksum, Version, Handle);\r
- }\r
- } else {\r
- if (Table != NULL) {\r
- //\r
- // Update table\r
- //\r
- //\r
- // Delete the table list entry\r
- //\r
- Status = RemoveTableFromList (AcpiSupportInstance, Version, *Handle);\r
- if (EFI_ERROR (Status)) {\r
- //\r
- // Should not get an error here ever, but abort if we do.\r
- //\r
- return EFI_ABORTED;\r
- }\r
- //\r
- // Set the handle to replace the table at the same handle\r
- //\r
- SavedHandle = AcpiSupportInstance->CurrentHandle;\r
- AcpiSupportInstance->CurrentHandle = *Handle;\r
-\r
- //\r
- // Add the table\r
- //\r
- Status = AddTableToList (AcpiSupportInstance, Table, Checksum, Version, Handle);\r
-\r
- //\r
- // Restore the saved current handle\r
- //\r
- AcpiSupportInstance->CurrentHandle = SavedHandle;\r
- } else {\r
- //\r
- // Delete table\r
- //\r
- Status = RemoveTableFromList (AcpiSupportInstance, Version, *Handle);\r
- }\r
- }\r
-\r
- if (EFI_ERROR (Status)) {\r
- //\r
- // Should not get an error here ever, but abort if we do.\r
- //\r
- return EFI_ABORTED;\r
- }\r
- //\r
- // Done\r
- //\r
- return EFI_SUCCESS;\r
-}\r
-/**\r
- This function publishes the specified versions of the ACPI tables by\r
- installing EFI configuration table entries for them. Any combination of\r
- table versions can be published.\r
-\r
- @param This Pointer of the protocol.\r
- @param Version Version(s) to publish.\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
- @return EFI_ABORTED The function could not complete successfully.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PublishTables (\r
- IN EFI_ACPI_SUPPORT_PROTOCOL *This,\r
- IN EFI_ACPI_TABLE_VERSION Version\r
- )\r
-{\r
- EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance;\r
- EFI_STATUS Status;\r
- UINT32 *CurrentRsdtEntry;\r
- VOID *CurrentXsdtEntry;\r
- UINT64 Buffer64;\r
-\r
- //\r
- // Get the instance of the protocol\r
- //\r
- AcpiSupportInstance = EFI_ACPI_SUPPORT_INSTANCE_FROM_ACPI_SUPPORT_THIS (This);\r
-\r
- //\r
- // Reorder tables as some operating systems don't seem to find the\r
- // FADT correctly if it is not in the first few entries\r
- //\r
-\r
- //\r
- // Add FADT as the first entry\r
- //\r
- if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r
- CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiSupportInstance->Rsdt1 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r
- *CurrentRsdtEntry = (UINT32) (UINTN) AcpiSupportInstance->Fadt1;\r
- }\r
- if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r
- CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiSupportInstance->Rsdt3 + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r
- *CurrentRsdtEntry = (UINT32) (UINTN) AcpiSupportInstance->Fadt3;\r
- CurrentXsdtEntry = (VOID *) ((UINT8 *) AcpiSupportInstance->Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER));\r
- //\r
- // Add entry to XSDT, XSDT expects 64 bit pointers, but\r
- // the table pointers in XSDT are not aligned on 8 byte boundary.\r
- //\r
- Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Fadt3;\r
- CopyMem (\r
- CurrentXsdtEntry,\r
- &Buffer64,\r
- sizeof (UINT64)\r
- );\r
- }\r
-\r
- //\r
- // Do checksum again because Dsdt/Xsdt is updated.\r
- //\r
- ChecksumCommonTables (AcpiSupportInstance);\r
-\r
- //\r
- // Add the RSD_PTR to the system table and store that we have installed the\r
- // tables.\r
- //\r
- if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && !AcpiSupportInstance->TablesInstalled1) {\r
- Status = gBS->InstallConfigurationTable (&gEfiAcpi10TableGuid, AcpiSupportInstance->Rsdp1);\r
- if (EFI_ERROR (Status)) {\r
- return EFI_ABORTED;\r
- }\r
-\r
- AcpiSupportInstance->TablesInstalled1 = TRUE;\r
- }\r
-\r
- if (((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) &&\r
- !AcpiSupportInstance->TablesInstalled3) {\r
- Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, AcpiSupportInstance->Rsdp3);\r
- if (EFI_ERROR (Status)) {\r
- return EFI_ABORTED;\r
- }\r
-\r
- AcpiSupportInstance->TablesInstalled3= TRUE;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-/**\r
- Installs an ACPI table into the RSDT/XSDT.\r
- Note that the ACPI table should be checksumed before installing it.\r
- Otherwise it will assert.\r
-\r
- @param This Protocol instance pointer.\r
- @param AcpiTableBuffer A pointer to a buffer containing the ACPI table to be installed.\r
- @param AcpiTableBufferSize Specifies the size, in bytes, of the AcpiTableBuffer buffer.\r
- @param TableKey Reurns a key to refer to the ACPI table.\r
-\r
- @return EFI_SUCCESS The table was successfully inserted.\r
- @return EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, TableKey is NULL, or AcpiTableBufferSize\r
- and the size field embedded in the ACPI table pointed to by AcpiTableBuffer\r
- are not in sync.\r
- @return EFI_OUT_OF_RESOURCES Insufficient resources exist to complete the request.\r
- @retval EFI_ACCESS_DENIED The table signature matches a table already\r
- present in the system and platform policy\r
- does not allow duplicate tables of this type.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-InstallAcpiTable (\r
- IN EFI_ACPI_TABLE_PROTOCOL *This,\r
- IN VOID *AcpiTableBuffer,\r
- IN UINTN AcpiTableBufferSize,\r
- OUT UINTN *TableKey\r
- )\r
-{\r
- EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance;\r
- EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport;\r
- EFI_STATUS Status;\r
- VOID *AcpiTableBufferConst;\r
-\r
- //\r
- // Check for invalid input parameters\r
- //\r
- if ((AcpiTableBuffer == NULL) || (TableKey == NULL)\r
- || (((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTableBuffer)->Length != AcpiTableBufferSize)) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- //\r
- // Get the instance of the ACPI support protocol\r
- //\r
- AcpiSupportInstance = EFI_ACPI_TABLE_INSTANCE_FROM_ACPI_SUPPORT_THIS (This);\r
- AcpiSupport = &AcpiSupportInstance->AcpiSupport;\r
-\r
- //\r
- // Install the ACPI table by using ACPI support protocol\r
- //\r
- AcpiTableBufferConst = AllocateCopyPool (AcpiTableBufferSize, AcpiTableBuffer);\r
- *TableKey = 0;\r
- Status = AddTableToList (\r
- AcpiSupportInstance,\r
- AcpiTableBufferConst,\r
- TRUE,\r
- EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0,\r
- TableKey\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- Status = AcpiSupport->PublishTables (\r
- AcpiSupport,\r
- EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0\r
- );\r
- }\r
- FreePool (AcpiTableBufferConst);\r
-\r
- return Status;\r
-}\r
-/**\r
- Removes an ACPI table from the RSDT/XSDT.\r
-\r
- @param This Protocol instance pointer.\r
- @param TableKey Specifies the table to uninstall. The key was returned from InstallAcpiTable().\r
-\r
- @return EFI_SUCCESS The table was successfully uninstalled.\r
- @return EFI_NOT_FOUND TableKey does not refer to a valid key for a table entry.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-UninstallAcpiTable (\r
- IN EFI_ACPI_TABLE_PROTOCOL *This,\r
- IN UINTN TableKey\r
- )\r
-{\r
- EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance;\r
- EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport;\r
- EFI_STATUS Status;\r
-\r
- //\r
- // Get the instance of the ACPI support protocol\r
- //\r
- AcpiSupportInstance = EFI_ACPI_TABLE_INSTANCE_FROM_ACPI_SUPPORT_THIS (This);\r
- AcpiSupport = &AcpiSupportInstance->AcpiSupport;\r
-\r
- //\r
- // Uninstall the ACPI table by using ACPI support protocol\r
- //\r
- Status = RemoveTableFromList (\r
- AcpiSupportInstance,\r
- EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0,\r
- TableKey\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- Status = AcpiSupport->PublishTables (\r
- AcpiSupport,\r
- EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0\r
- );\r
- }\r
-\r
- if (EFI_ERROR (Status)) {\r
- return EFI_NOT_FOUND;\r
- } else {\r
- return EFI_SUCCESS;\r
- }\r
-}\r
-/**\r
- If the number of APCI tables exceeds the preallocated max table number, enlarge the table buffer.\r
-\r
- @param AcpiSupportInstance ACPI support protocol instance data structure\r
-\r
- @return EFI_SUCCESS reallocate the table beffer successfully.\r
- @return EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r
-\r
-**/\r
-EFI_STATUS\r
-ReallocateAcpiTableBuffer (\r
- IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance\r
- )\r
-{\r
- UINTN NewMaxTableNumber;\r
- UINTN TotalSize;\r
- UINT8 *Pointer;\r
- EFI_PHYSICAL_ADDRESS PageAddress;\r
- EFI_ACPI_SUPPORT_INSTANCE TempPrivateData;\r
- EFI_STATUS Status;\r
- UINT64 CurrentData;\r
-\r
- CopyMem (&TempPrivateData, AcpiSupportInstance, sizeof (EFI_ACPI_SUPPORT_INSTANCE));\r
- //\r
- // Enlarge the max table number from mEfiAcpiMaxNumTables to mEfiAcpiMaxNumTables + EFI_ACPI_MAX_NUM_TABLES\r
- //\r
- NewMaxTableNumber = mEfiAcpiMaxNumTables + EFI_ACPI_MAX_NUM_TABLES;\r
- //\r
- // Create RSDT, XSDT structures and allocate buffers.\r
- //\r
- TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r
- NewMaxTableNumber * sizeof (UINT32) +\r
- sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r
- NewMaxTableNumber * sizeof (UINT32) +\r
- sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r
- NewMaxTableNumber * sizeof (UINT64);\r
-\r
- //\r
- // Allocate memory in the lower 32 bit of address range for\r
- // compatibility with ACPI 1.0 OS.\r
- //\r
- // This is done because ACPI 1.0 pointers are 32 bit values.\r
- // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r
- // There is no architectural reason these should be below 4GB, it is purely\r
- // for convenience of implementation that we force memory below 4GB.\r
- //\r
- PageAddress = 0xFFFFFFFF;\r
- Status = gBS->AllocatePages (\r
- AllocateMaxAddress,\r
- EfiACPIReclaimMemory,\r
- EFI_SIZE_TO_PAGES (TotalSize),\r
- &PageAddress\r
- );\r
-\r
- if (EFI_ERROR (Status)) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- Pointer = (UINT8 *) (UINTN) PageAddress;\r
- ZeroMem (Pointer, TotalSize);\r
-\r
- AcpiSupportInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r
- Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + NewMaxTableNumber * sizeof (UINT32));\r
- AcpiSupportInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r
- Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + NewMaxTableNumber * sizeof (UINT32));\r
- AcpiSupportInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r
-\r
- //\r
- // Update RSDP to point to the new Rsdt and Xsdt address.\r
- //\r
- AcpiSupportInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiSupportInstance->Rsdt1;\r
- AcpiSupportInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiSupportInstance->Rsdt3;\r
- CurrentData = (UINT64) (UINTN) AcpiSupportInstance->Xsdt;\r
- CopyMem (&AcpiSupportInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64));\r
-\r
- //\r
- // copy the original Rsdt1, Rsdt3 and Xsdt structure to new buffer\r
- //\r
- CopyMem (AcpiSupportInstance->Rsdt1, TempPrivateData.Rsdt1, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT32)));\r
- CopyMem (AcpiSupportInstance->Rsdt3, TempPrivateData.Rsdt3, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT32)));\r
- CopyMem (AcpiSupportInstance->Xsdt, TempPrivateData.Xsdt, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT64)));\r
-\r
- //\r
- // Calculate orignal ACPI table buffer size\r
- //\r
- TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r
- mEfiAcpiMaxNumTables * sizeof (UINT32) +\r
- sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r
- mEfiAcpiMaxNumTables * sizeof (UINT32) +\r
- sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r
- mEfiAcpiMaxNumTables * sizeof (UINT64);\r
- gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)TempPrivateData.Rsdt1, EFI_SIZE_TO_PAGES (TotalSize));\r
-\r
- //\r
- // Update the Max ACPI table number\r
- //\r
- mEfiAcpiMaxNumTables = NewMaxTableNumber;\r
- return EFI_SUCCESS;\r
-}\r
-/**\r
- This function adds an ACPI table to the table list. It will detect FACS and\r
- allocate the correct type of memory and properly align the table.\r
-\r
- @param AcpiSupportInstance Instance of the protocol.\r
- @param Table Table to add.\r
- @param Checksum Does the table require checksumming.\r
- @param Version The version of the list to add the table to.\r
- @param Handle Pointer for returning the handle.\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
- @return EFI_OUT_OF_RESOURCES Could not allocate a required resource.\r
- @retval EFI_ACCESS_DENIED The table signature matches a table already\r
- present in the system and platform policy\r
- does not allow duplicate tables of this type.\r
-**/\r
-EFI_STATUS\r
-AddTableToList (\r
- IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance,\r
- IN VOID *Table,\r
- IN BOOLEAN Checksum,\r
- IN EFI_ACPI_TABLE_VERSION Version,\r
- OUT UINTN *Handle\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_ACPI_TABLE_LIST *CurrentTableList;\r
- UINT32 CurrentTableSignature;\r
- UINT32 CurrentTableSize;\r
- UINT32 *CurrentRsdtEntry;\r
- VOID *CurrentXsdtEntry;\r
- UINT64 Buffer64;\r
- BOOLEAN AddToRsdt;\r
-\r
- //\r
- // Check for invalid input parameters\r
- //\r
- ASSERT (AcpiSupportInstance);\r
- ASSERT (Table);\r
- ASSERT (Handle);\r
-\r
- //\r
- // Init locals\r
- //\r
- AddToRsdt = TRUE;\r
-\r
- //\r
- // Create a new list entry\r
- //\r
- CurrentTableList = AllocatePool (sizeof (EFI_ACPI_TABLE_LIST));\r
- ASSERT (CurrentTableList);\r
-\r
- //\r
- // Determine table type and size\r
- //\r
- CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table)->Signature;\r
- CurrentTableSize = ((EFI_ACPI_COMMON_HEADER *) Table)->Length;\r
-\r
- //\r
- // Allocate a buffer for the table. All tables are allocated in the lower 32 bits of address space\r
- // for backwards compatibility with ACPI 1.0 OS.\r
- //\r
- // This is done because ACPI 1.0 pointers are 32 bit values.\r
- // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r
- // There is no architectural reason these should be below 4GB, it is purely\r
- // for convenience of implementation that we force memory below 4GB.\r
- //\r
- CurrentTableList->PageAddress = 0xFFFFFFFF;\r
- CurrentTableList->NumberOfPages = EFI_SIZE_TO_PAGES (CurrentTableSize);\r
-\r
- //\r
- // Allocation memory type depends on the type of the table\r
- //\r
- if ((CurrentTableSignature == EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r
- (CurrentTableSignature == EFI_ACPI_4_0_UEFI_ACPI_DATA_TABLE_SIGNATURE)) {\r
- //\r
- // Allocate memory for the FACS. This structure must be aligned\r
- // on a 64 byte boundary and must be ACPI NVS memory.\r
- // Using AllocatePages should ensure that it is always aligned.\r
- // Do not change signature for new ACPI version because they are same.\r
- //\r
- // UEFI table also need to be in ACPI NVS memory, because some data field\r
- // could be updated by OS present agent. For example, BufferPtrAddress in\r
- // SMM communication ACPI table.\r
- //\r
- ASSERT ((EFI_PAGE_SIZE % 64) == 0);\r
- Status = gBS->AllocatePages (\r
- AllocateMaxAddress,\r
- EfiACPIMemoryNVS,\r
- CurrentTableList->NumberOfPages,\r
- &CurrentTableList->PageAddress\r
- );\r
- } else {\r
- //\r
- // All other tables are ACPI reclaim memory, no alignment requirements.\r
- //\r
- Status = gBS->AllocatePages (\r
- AllocateMaxAddress,\r
- EfiACPIReclaimMemory,\r
- CurrentTableList->NumberOfPages,\r
- &CurrentTableList->PageAddress\r
- );\r
- }\r
- //\r
- // Check return value from memory alloc.\r
- //\r
- if (EFI_ERROR (Status)) {\r
- gBS->FreePool (CurrentTableList);\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
- //\r
- // Update the table pointer with the allocated memory start\r
- //\r
- CurrentTableList->Table = (EFI_ACPI_COMMON_HEADER *) (UINTN) CurrentTableList->PageAddress;\r
-\r
- //\r
- // Initialize the table contents\r
- //\r
- CurrentTableList->Signature = EFI_ACPI_TABLE_LIST_SIGNATURE;\r
- CopyMem (CurrentTableList->Table, Table, CurrentTableSize);\r
- CurrentTableList->Handle = AcpiSupportInstance->CurrentHandle++;\r
- *Handle = CurrentTableList->Handle;\r
- CurrentTableList->Version = Version;\r
-\r
- //\r
- // Update internal pointers if this is a required table. If it is a required\r
- // table and a table of that type already exists, return an error.\r
- //\r
- // Calculate the checksum if the table is not FACS.\r
- //\r
- switch (CurrentTableSignature) {\r
-\r
- case EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r
- //\r
- // We don't add the FADT in the standard way because some\r
- // OS expect the FADT to be early in the table list.\r
- // So we always add it as the first element in the list.\r
- //\r
- AddToRsdt = FALSE;\r
-\r
- //\r
- // Check that the table has not been previously added.\r
- //\r
- if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiSupportInstance->Fadt1 != NULL) ||\r
- ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiSupportInstance->Fadt3 != NULL) ||\r
- ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiSupportInstance->Fadt3 != NULL)\r
- ) {\r
- gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r
- gBS->FreePool (CurrentTableList);\r
- return EFI_ACCESS_DENIED;\r
- }\r
- //\r
- // Add the table to the appropriate table version\r
- //\r
- if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r
- //\r
- // Save a pointer to the table\r
- //\r
- AcpiSupportInstance->Fadt1 = (EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r
-\r
- //\r
- // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r
- //\r
- AcpiSupportInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiSupportInstance->Facs1;\r
- AcpiSupportInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiSupportInstance->Dsdt1;\r
-\r
- //\r
- // RSDP OEM information is updated to match the FADT OEM information\r
- //\r
- CopyMem (\r
- &AcpiSupportInstance->Rsdp1->OemId,\r
- &AcpiSupportInstance->Fadt1->Header.OemId,\r
- 6\r
- );\r
-\r
- //\r
- // RSDT OEM information is updated to match the FADT OEM information.\r
- //\r
- CopyMem (\r
- &AcpiSupportInstance->Rsdt1->OemId,\r
- &AcpiSupportInstance->Fadt1->Header.OemId,\r
- 6\r
- );\r
-\r
- CopyMem (\r
- &AcpiSupportInstance->Rsdt1->OemTableId,\r
- &AcpiSupportInstance->Fadt1->Header.OemTableId,\r
- sizeof (UINT64)\r
- );\r
- AcpiSupportInstance->Rsdt1->OemRevision = AcpiSupportInstance->Fadt1->Header.OemRevision;\r
- }\r
-\r
- if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r
- (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r
- //\r
- // Save a pointer to the table\r
- //\r
- AcpiSupportInstance->Fadt3 = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table;\r
-\r
- //\r
- // Update pointers in FADT. If tables don't exist this will put NULL pointers there.\r
- // Note: If the FIRMWARE_CTRL is non-zero, then X_FIRMWARE_CTRL must be zero, and\r
- // vice-versa.\r
- //\r
- if ((UINT64)(UINTN)AcpiSupportInstance->Facs3 < BASE_4GB) {\r
- AcpiSupportInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiSupportInstance->Facs3;\r
- ZeroMem (\r
- &AcpiSupportInstance->Fadt3->XFirmwareCtrl,\r
- sizeof (UINT64)\r
- );\r
- } else {\r
- AcpiSupportInstance->Fadt3->FirmwareCtrl = 0;\r
- Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Facs3;\r
- CopyMem (\r
- &AcpiSupportInstance->Fadt3->XFirmwareCtrl,\r
- &Buffer64,\r
- sizeof (UINT64)\r
- );\r
- }\r
- AcpiSupportInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiSupportInstance->Dsdt3;\r
- Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Dsdt3;\r
- CopyMem (\r
- &AcpiSupportInstance->Fadt3->XDsdt,\r
- &Buffer64,\r
- sizeof (UINT64)\r
- );\r
-\r
- //\r
- // RSDP OEM information is updated to match the FADT OEM information\r
- //\r
- CopyMem (\r
- &AcpiSupportInstance->Rsdp3->OemId,\r
- &AcpiSupportInstance->Fadt3->Header.OemId,\r
- 6\r
- );\r
-\r
- //\r
- // RSDT OEM information is updated to match FADT OEM information.\r
- //\r
- CopyMem (\r
- &AcpiSupportInstance->Rsdt3->OemId,\r
- &AcpiSupportInstance->Fadt3->Header.OemId,\r
- 6\r
- );\r
- CopyMem (\r
- &AcpiSupportInstance->Rsdt3->OemTableId,\r
- &AcpiSupportInstance->Fadt3->Header.OemTableId,\r
- sizeof (UINT64)\r
- );\r
- AcpiSupportInstance->Rsdt3->OemRevision = AcpiSupportInstance->Fadt3->Header.OemRevision;\r
-\r
- //\r
- // XSDT OEM information is updated to match FADT OEM information.\r
- //\r
- CopyMem (\r
- &AcpiSupportInstance->Xsdt->OemId,\r
- &AcpiSupportInstance->Fadt3->Header.OemId,\r
- 6\r
- );\r
- CopyMem (\r
- &AcpiSupportInstance->Xsdt->OemTableId,\r
- &AcpiSupportInstance->Fadt3->Header.OemTableId,\r
- sizeof (UINT64)\r
- );\r
- AcpiSupportInstance->Xsdt->OemRevision = AcpiSupportInstance->Fadt3->Header.OemRevision;\r
- }\r
-\r
- //\r
- // Checksum the table\r
- //\r
- if (Checksum) {\r
- AcpiPlatformChecksum (\r
- CurrentTableList->Table,\r
- CurrentTableList->Table->Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
- }\r
- break;\r
-\r
- case EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r
- //\r
- // Check that the table has not been previously added.\r
- //\r
- if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiSupportInstance->Facs1 != NULL) ||\r
- ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiSupportInstance->Facs3 != NULL) ||\r
- ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiSupportInstance->Facs3 != NULL)\r
- ) {\r
- gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r
- gBS->FreePool (CurrentTableList);\r
- return EFI_ACCESS_DENIED;\r
- }\r
- //\r
- // FACS is referenced by FADT and is not part of RSDT\r
- //\r
- AddToRsdt = FALSE;\r
-\r
- //\r
- // Add the table to the appropriate table version\r
- //\r
- if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r
- //\r
- // Save a pointer to the table\r
- //\r
- AcpiSupportInstance->Facs1 = (EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r
-\r
- //\r
- // If FADT already exists, update table pointers.\r
- //\r
- if (AcpiSupportInstance->Fadt1 != NULL) {\r
- AcpiSupportInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiSupportInstance->Facs1;\r
-\r
- //\r
- // Checksum FADT table\r
- //\r
- AcpiPlatformChecksum (\r
- AcpiSupportInstance->Fadt1,\r
- AcpiSupportInstance->Fadt1->Header.Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
- }\r
- }\r
-\r
- if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r
- (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r
- //\r
- // Save a pointer to the table\r
- //\r
- AcpiSupportInstance->Facs3 = (EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table;\r
-\r
- //\r
- // If FADT already exists, update table pointers.\r
- //\r
- if (AcpiSupportInstance->Fadt3 != NULL) {\r
- //\r
- // Note: If the FIRMWARE_CTRL is non-zero, then X_FIRMWARE_CTRL must be zero, and\r
- // vice-versa.\r
- //\r
- if ((UINT64)(UINTN)AcpiSupportInstance->Facs3 < BASE_4GB) {\r
- AcpiSupportInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiSupportInstance->Facs3;\r
- } else {\r
- Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Facs3;\r
- CopyMem (\r
- &AcpiSupportInstance->Fadt3->XFirmwareCtrl,\r
- &Buffer64,\r
- sizeof (UINT64)\r
- );\r
- }\r
-\r
- //\r
- // Checksum FADT table\r
- //\r
- AcpiPlatformChecksum (\r
- AcpiSupportInstance->Fadt3,\r
- AcpiSupportInstance->Fadt3->Header.Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
- }\r
- }\r
-\r
- break;\r
-\r
- case EFI_ACPI_1_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r
- //\r
- // Check that the table has not been previously added.\r
- //\r
- if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiSupportInstance->Dsdt1 != NULL) ||\r
- ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiSupportInstance->Dsdt3 != NULL) ||\r
- ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiSupportInstance->Dsdt3 != NULL)\r
- ) {\r
- gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages);\r
- gBS->FreePool (CurrentTableList);\r
- return EFI_ACCESS_DENIED;\r
- }\r
- //\r
- // DSDT is referenced by FADT and is not part of RSDT\r
- //\r
- AddToRsdt = FALSE;\r
-\r
- //\r
- // Add the table to the appropriate table version\r
- //\r
- if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r
- //\r
- // Save a pointer to the table\r
- //\r
- AcpiSupportInstance->Dsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r
-\r
- //\r
- // If FADT already exists, update table pointers.\r
- //\r
- if (AcpiSupportInstance->Fadt1 != NULL) {\r
- AcpiSupportInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiSupportInstance->Dsdt1;\r
-\r
- //\r
- // Checksum FADT table\r
- //\r
- AcpiPlatformChecksum (\r
- AcpiSupportInstance->Fadt1,\r
- AcpiSupportInstance->Fadt1->Header.Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
- }\r
- }\r
-\r
- if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r
- (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r
- //\r
- // Save a pointer to the table\r
- //\r
- AcpiSupportInstance->Dsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table;\r
-\r
- //\r
- // If FADT already exists, update table pointers.\r
- //\r
- if (AcpiSupportInstance->Fadt3 != NULL) {\r
- AcpiSupportInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiSupportInstance->Dsdt3;\r
- Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Dsdt3;\r
- CopyMem (\r
- &AcpiSupportInstance->Fadt3->XDsdt,\r
- &Buffer64,\r
- sizeof (UINT64)\r
- );\r
-\r
- //\r
- // Checksum FADT table\r
- //\r
- AcpiPlatformChecksum (\r
- AcpiSupportInstance->Fadt3,\r
- AcpiSupportInstance->Fadt3->Header.Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
- }\r
- }\r
- //\r
- // Checksum the table\r
- //\r
- if (Checksum) {\r
- AcpiPlatformChecksum (\r
- CurrentTableList->Table,\r
- CurrentTableList->Table->Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
- }\r
- break;\r
-\r
- default:\r
- //\r
- // Checksum the table\r
- //\r
- if (Checksum) {\r
- AcpiPlatformChecksum (\r
- CurrentTableList->Table,\r
- CurrentTableList->Table->Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
- }\r
- break;\r
- }\r
- //\r
- // Add the table to the current list of tables\r
- //\r
- InsertTailList (&AcpiSupportInstance->TableList, &CurrentTableList->Link);\r
-\r
- //\r
- // Add the table to RSDT and/or XSDT table entry lists.\r
- //\r
- //\r
- // Add to ACPI 1.0b table tree\r
- //\r
- if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r
- if (AddToRsdt) {\r
- //\r
- // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer\r
- //\r
- if (AcpiSupportInstance->NumberOfTableEntries1 >= mEfiAcpiMaxNumTables) {\r
- Status = ReallocateAcpiTableBuffer (AcpiSupportInstance);\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
- CurrentRsdtEntry = (UINT32 *)\r
- (\r
- (UINT8 *) AcpiSupportInstance->Rsdt1 +\r
- sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r
- AcpiSupportInstance->NumberOfTableEntries1 *\r
- sizeof (UINT32)\r
- );\r
-\r
- //\r
- // Add entry to the RSDT unless its the FACS or DSDT\r
- //\r
- *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r
-\r
- //\r
- // Update RSDT length\r
- //\r
- AcpiSupportInstance->Rsdt1->Length = AcpiSupportInstance->Rsdt1->Length + sizeof (UINT32);\r
-\r
- AcpiSupportInstance->NumberOfTableEntries1++;\r
- }\r
- }\r
- //\r
- // Add to ACPI 2.0/3.0 table tree\r
- //\r
- if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r
- if (AddToRsdt) {\r
- //\r
- // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer\r
- //\r
- if (AcpiSupportInstance->NumberOfTableEntries3 >= mEfiAcpiMaxNumTables) {\r
- Status = ReallocateAcpiTableBuffer (AcpiSupportInstance);\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
- //\r
- // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r
- // If it becomes necessary to maintain separate table lists, changes will be required.\r
- //\r
- CurrentRsdtEntry = (UINT32 *)\r
- (\r
- (UINT8 *) AcpiSupportInstance->Rsdt3 +\r
- sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r
- AcpiSupportInstance->NumberOfTableEntries3 *\r
- sizeof (UINT32)\r
- );\r
-\r
- //\r
- // This pointer must not be directly dereferenced as the XSDT entries may not\r
- // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r
- //\r
- CurrentXsdtEntry = (VOID *)\r
- (\r
- (UINT8 *) AcpiSupportInstance->Xsdt +\r
- sizeof (EFI_ACPI_DESCRIPTION_HEADER) +\r
- AcpiSupportInstance->NumberOfTableEntries3 *\r
- sizeof (UINT64)\r
- );\r
-\r
- //\r
- // Add entry to the RSDT\r
- //\r
- *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table;\r
-\r
- //\r
- // Update RSDT length\r
- //\r
- AcpiSupportInstance->Rsdt3->Length = AcpiSupportInstance->Rsdt3->Length + sizeof (UINT32);\r
-\r
- //\r
- // Add entry to XSDT, XSDT expects 64 bit pointers, but\r
- // the table pointers in XSDT are not aligned on 8 byte boundary.\r
- //\r
- Buffer64 = (UINT64) (UINTN) CurrentTableList->Table;\r
- CopyMem (\r
- CurrentXsdtEntry,\r
- &Buffer64,\r
- sizeof (UINT64)\r
- );\r
-\r
- //\r
- // Update length\r
- //\r
- AcpiSupportInstance->Xsdt->Length = AcpiSupportInstance->Xsdt->Length + sizeof (UINT64);\r
-\r
- AcpiSupportInstance->NumberOfTableEntries3++;\r
- }\r
- }\r
-\r
- ChecksumCommonTables (AcpiSupportInstance);\r
- return EFI_SUCCESS;\r
-}\r
-/**\r
- This function finds the table specified by the handle and returns a pointer to it.\r
- If the handle is not found, EFI_NOT_FOUND is returned and the contents of Table are\r
- undefined.\r
-\r
- @param Handle Table to find.\r
- @param TableList Table list to search\r
- @param Table Pointer to table found.\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
- @return EFI_NOT_FOUND No table found matching the handle specified.\r
-\r
-**/\r
-EFI_STATUS\r
-FindTableByHandle (\r
- IN UINTN Handle,\r
- IN LIST_ENTRY *TableList,\r
- OUT EFI_ACPI_TABLE_LIST **Table\r
- )\r
-{\r
- LIST_ENTRY *CurrentLink;\r
- EFI_ACPI_TABLE_LIST *CurrentTable;\r
-\r
- //\r
- // Check for invalid input parameters\r
- //\r
- ASSERT (Table);\r
-\r
- //\r
- // Find the table\r
- //\r
- CurrentLink = TableList->ForwardLink;\r
-\r
- while (CurrentLink != TableList) {\r
- CurrentTable = EFI_ACPI_TABLE_LIST_FROM_LINK (CurrentLink);\r
- if (CurrentTable->Handle == Handle) {\r
- //\r
- // Found handle, so return this table.\r
- //\r
- *Table = CurrentTable;\r
- return EFI_SUCCESS;\r
- }\r
-\r
- CurrentLink = CurrentLink->ForwardLink;\r
- }\r
- //\r
- // Table not found\r
- //\r
- return EFI_NOT_FOUND;\r
-}\r
-/**\r
- This function removes a basic table from the RSDT and/or XSDT.\r
- For Acpi 1.0 tables, pass in the Rsdt.\r
- For Acpi 2.0 tables, pass in both Rsdt and Xsdt.\r
-\r
- @param Table Pointer to table found.\r
- @param NumberOfTableEntries Current number of table entries in the RSDT/XSDT\r
- @param Rsdt Pointer to the RSDT to remove from\r
- @param Xsdt Pointer to the Xsdt to remove from\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
- @return EFI_INVALID_PARAMETER The table was not found in both Rsdt and Xsdt.\r
-\r
-**/\r
-EFI_STATUS\r
-RemoveTableFromRsdt (\r
- IN OUT EFI_ACPI_TABLE_LIST * Table,\r
- IN OUT UINTN *NumberOfTableEntries,\r
- IN OUT EFI_ACPI_DESCRIPTION_HEADER * Rsdt,\r
- IN OUT EFI_ACPI_DESCRIPTION_HEADER * Xsdt OPTIONAL\r
- )\r
-{\r
- UINT32 *CurrentRsdtEntry;\r
- VOID *CurrentXsdtEntry;\r
- UINT64 CurrentTablePointer64;\r
- UINTN TempIndex;\r
-\r
- //\r
- // Check for invalid input parameters\r
- //\r
- ASSERT (Table);\r
- ASSERT (NumberOfTableEntries);\r
- ASSERT (Rsdt);\r
-\r
- //\r
- // Find the table entry in the RSDT and XSDT\r
- //\r
- for (TempIndex = 0; TempIndex < *NumberOfTableEntries; TempIndex++) {\r
- //\r
- // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables.\r
- // If it becomes necessary to maintain separate table lists, changes will be required.\r
- //\r
- CurrentRsdtEntry = (UINT32 *) ((UINT8 *) Rsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + TempIndex * sizeof (UINT32));\r
- if (Xsdt != NULL) {\r
- //\r
- // This pointer must not be directly dereferenced as the XSDT entries may not\r
- // be 64 bit aligned resulting in a possible fault. Use CopyMem to update.\r
- //\r
- CurrentXsdtEntry = (VOID *) ((UINT8 *) Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + TempIndex * sizeof (UINT64));\r
-\r
- //\r
- // Read the entry value out of the XSDT\r
- //\r
- CopyMem (&CurrentTablePointer64, CurrentXsdtEntry, sizeof (UINT64));\r
- } else {\r
- //\r
- // Initialize to NULL\r
- //\r
- CurrentXsdtEntry = 0;\r
- CurrentTablePointer64 = 0;\r
- }\r
- //\r
- // Check if we have found the corresponding entry in both RSDT and XSDT\r
- //\r
- if (*CurrentRsdtEntry == (UINT32) (UINTN) Table->Table &&\r
- ((Xsdt == NULL) || CurrentTablePointer64 == (UINT64) (UINTN) Table->Table)\r
- ) {\r
- //\r
- // Found entry, so copy all following entries and shrink table\r
- // We actually copy all + 1 to copy the initialized value of memory over\r
- // the last entry.\r
- //\r
- CopyMem (CurrentRsdtEntry, CurrentRsdtEntry + 1, (*NumberOfTableEntries - TempIndex) * sizeof (UINT32));\r
- Rsdt->Length = Rsdt->Length - sizeof (UINT32);\r
- if (Xsdt != NULL) {\r
- CopyMem (CurrentXsdtEntry, ((UINT64 *) CurrentXsdtEntry) + 1, (*NumberOfTableEntries - TempIndex) * sizeof (UINT64));\r
- Xsdt->Length = Xsdt->Length - sizeof (UINT64);\r
- }\r
- break;\r
- } else if (TempIndex + 1 == *NumberOfTableEntries) {\r
- //\r
- // At the last entry, and table not found\r
- //\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- }\r
- //\r
- // Checksum the tables\r
- //\r
- AcpiPlatformChecksum (\r
- Rsdt,\r
- Rsdt->Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
-\r
- if (Xsdt != NULL) {\r
- AcpiPlatformChecksum (\r
- Xsdt,\r
- Xsdt->Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
- }\r
- //\r
- // Decrement the number of tables\r
- //\r
- (*NumberOfTableEntries)--;\r
-\r
- return EFI_SUCCESS;\r
-}\r
-/**\r
- This function removes a table and frees any associated memory.\r
-\r
- @param AcpiSupportInstance Instance of the protocol.\r
- @param Version Version(s) to delete.\r
- @param Table Pointer to table found.\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
-\r
-**/\r
-EFI_STATUS\r
-DeleteTable (\r
- IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance,\r
- IN EFI_ACPI_TABLE_VERSION Version,\r
- IN OUT EFI_ACPI_TABLE_LIST *Table\r
- )\r
-{\r
- UINT32 CurrentTableSignature;\r
- BOOLEAN RemoveFromRsdt;\r
-\r
- //\r
- // Check for invalid input parameters\r
- //\r
- ASSERT (AcpiSupportInstance);\r
- ASSERT (Table);\r
-\r
- //\r
- // Init locals\r
- //\r
- RemoveFromRsdt = TRUE;\r
-\r
- if (Table->Table != NULL) {\r
- CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table->Table)->Signature;\r
-\r
- //\r
- // Basic tasks to accomplish delete are:\r
- // Determine removal requirements (in RSDT/XSDT or not)\r
- // Remove entry from RSDT/XSDT\r
- // Remove any table references to the table\r
- // If no one is using the table\r
- // Free the table (removing pointers from private data and tables)\r
- // Remove from list\r
- // Free list structure\r
- //\r
- //\r
- // Determine if this table is in the RSDT or XSDT\r
- //\r
- if ((CurrentTableSignature == EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||\r
- (CurrentTableSignature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) ||\r
- (CurrentTableSignature == EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE)\r
- ) {\r
- RemoveFromRsdt = FALSE;\r
- }\r
- //\r
- // We don't remove the FADT in the standard way because some\r
- // OS expect the FADT to be early in the table list.\r
- // So we always put it as the first element in the list.\r
- //\r
- if (CurrentTableSignature == EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r
- RemoveFromRsdt = FALSE;\r
- }\r
-\r
- //\r
- // Remove the table from RSDT and XSDT\r
- //\r
-\r
- //\r
- // This is a basic table, remove it from any lists and the Rsdt and/or Xsdt\r
- //\r
- if (Version & EFI_ACPI_TABLE_VERSION_NONE & Table->Version) {\r
- //\r
- // Remove this version from the table\r
- //\r
- Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_NONE;\r
- }\r
-\r
- if (Version & EFI_ACPI_TABLE_VERSION_1_0B & Table->Version) {\r
- //\r
- // Remove this version from the table\r
- //\r
- Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_1_0B;\r
-\r
- //\r
- // Remove from Rsdt. We don't care about the return value because it is\r
- // acceptable for the table to not exist in Rsdt.\r
- // We didn't add some tables so we don't remove them.\r
- //\r
- if (RemoveFromRsdt) {\r
- RemoveTableFromRsdt (\r
- Table,\r
- &AcpiSupportInstance->NumberOfTableEntries1,\r
- AcpiSupportInstance->Rsdt1,\r
- NULL\r
- );\r
- }\r
- }\r
-\r
- if ((Version & EFI_ACPI_TABLE_VERSION_2_0 & Table->Version) ||\r
- (Version & EFI_ACPI_TABLE_VERSION_3_0 & Table->Version)) {\r
- //\r
- // Remove this version from the table\r
- //\r
- if (Version & EFI_ACPI_TABLE_VERSION_2_0 & Table->Version) {\r
- Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_2_0;\r
- }\r
- if (Version & EFI_ACPI_TABLE_VERSION_3_0 & Table->Version) {\r
- Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_3_0;\r
- }\r
-\r
- //\r
- // Remove from Rsdt and Xsdt. We don't care about the return value\r
- // because it is acceptable for the table to not exist in Rsdt/Xsdt.\r
- // We didn't add some tables so we don't remove them.\r
- //\r
- if (RemoveFromRsdt) {\r
- RemoveTableFromRsdt (\r
- Table,\r
- &AcpiSupportInstance->NumberOfTableEntries3,\r
- AcpiSupportInstance->Rsdt3,\r
- AcpiSupportInstance->Xsdt\r
- );\r
- }\r
- }\r
- //\r
- // Free the table, clean up any dependent tables and our private data pointers.\r
- //\r
- switch (Table->Table->Signature) {\r
-\r
- case EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:\r
- if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r
- AcpiSupportInstance->Fadt1 = NULL;\r
- }\r
-\r
- if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r
- (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r
- AcpiSupportInstance->Fadt3 = NULL;\r
- }\r
- break;\r
-\r
- case EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE:\r
- if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r
- AcpiSupportInstance->Facs1 = NULL;\r
-\r
- //\r
- // Update FADT table pointers\r
- //\r
- if (AcpiSupportInstance->Fadt1 != NULL) {\r
- AcpiSupportInstance->Fadt1->FirmwareCtrl = 0;\r
-\r
- //\r
- // Checksum table\r
- //\r
- AcpiPlatformChecksum (\r
- AcpiSupportInstance->Fadt1,\r
- AcpiSupportInstance->Fadt1->Header.Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
- }\r
- }\r
-\r
- if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r
- (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r
- AcpiSupportInstance->Facs3 = NULL;\r
-\r
- //\r
- // Update FADT table pointers\r
- //\r
- if (AcpiSupportInstance->Fadt3 != NULL) {\r
- AcpiSupportInstance->Fadt3->FirmwareCtrl = 0;\r
- ZeroMem (&AcpiSupportInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64));\r
-\r
- //\r
- // Checksum table\r
- //\r
- AcpiPlatformChecksum (\r
- AcpiSupportInstance->Fadt3,\r
- AcpiSupportInstance->Fadt3->Header.Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
- }\r
- }\r
- break;\r
-\r
- case EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE:\r
- if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) {\r
- AcpiSupportInstance->Dsdt1 = NULL;\r
-\r
- //\r
- // Update FADT table pointers\r
- //\r
- if (AcpiSupportInstance->Fadt1 != NULL) {\r
- AcpiSupportInstance->Fadt1->Dsdt = 0;\r
-\r
- //\r
- // Checksum table\r
- //\r
- AcpiPlatformChecksum (\r
- AcpiSupportInstance->Fadt1,\r
- AcpiSupportInstance->Fadt1->Header.Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
- }\r
- }\r
-\r
-\r
- if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 ||\r
- (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) {\r
- AcpiSupportInstance->Dsdt3 = NULL;\r
-\r
- //\r
- // Update FADT table pointers\r
- //\r
- if (AcpiSupportInstance->Fadt3 != NULL) {\r
- AcpiSupportInstance->Fadt3->Dsdt = 0;\r
- ZeroMem (&AcpiSupportInstance->Fadt3->XDsdt, sizeof (UINT64));\r
-\r
- //\r
- // Checksum table\r
- //\r
- AcpiPlatformChecksum (\r
- AcpiSupportInstance->Fadt3,\r
- AcpiSupportInstance->Fadt3->Header.Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
- }\r
- }\r
- break;\r
-\r
- default:\r
- //\r
- // Do nothing\r
- //\r
- break;\r
- }\r
- }\r
- //\r
- // If no version is using this table anymore, remove and free list entry.\r
- //\r
- if (Table->Version == 0) {\r
- //\r
- // Free the Table\r
- //\r
- gBS->FreePages (Table->PageAddress, Table->NumberOfPages);\r
- RemoveEntryList (&(Table->Link));\r
- gBS->FreePool (Table);\r
- }\r
- //\r
- // Done\r
- //\r
- return EFI_SUCCESS;\r
-}\r
-/**\r
- This function finds and removes the table specified by the handle.\r
-\r
- @param AcpiSupportInstance Instance of the protocol.\r
- @param Version Bitmask of which versions to remove.\r
- @param Handle Table to remove.\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
- @return EFI_ABORTED An error occurred.\r
- @return EFI_NOT_FOUND Handle not found in table list.\r
-**/\r
-EFI_STATUS\r
-RemoveTableFromList (\r
- IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance,\r
- IN EFI_ACPI_TABLE_VERSION Version,\r
- IN UINTN Handle\r
- )\r
-{\r
- EFI_ACPI_TABLE_LIST *Table;\r
- EFI_STATUS Status;\r
-\r
- Table = NULL;\r
-\r
- //\r
- // Check for invalid input parameters\r
- //\r
- ASSERT (AcpiSupportInstance);\r
-\r
- //\r
- // Find the table\r
- //\r
- Status = FindTableByHandle (\r
- Handle,\r
- &AcpiSupportInstance->TableList,\r
- &Table\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return EFI_NOT_FOUND;\r
- }\r
- //\r
- // Remove the table\r
- //\r
- Status = DeleteTable (AcpiSupportInstance, Version, Table);\r
- if (EFI_ERROR (Status)) {\r
- return EFI_ABORTED;\r
- }\r
- //\r
- // Completed successfully\r
- //\r
- return EFI_SUCCESS;\r
-}\r
-/**\r
- This function calculates and updates an UINT8 checksum.\r
-\r
- @param Buffer Pointer to buffer to checksum\r
- @param Size Number of bytes to checksum\r
- @param ChecksumOffset Offset to place the checksum result in\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
-\r
-**/\r
-EFI_STATUS\r
-AcpiPlatformChecksum (\r
- IN VOID *Buffer,\r
- IN UINTN Size,\r
- IN UINTN ChecksumOffset\r
- )\r
-{\r
- UINT8 Sum;\r
- UINT8 *Ptr;\r
-\r
- Sum = 0;\r
- //\r
- // Initialize pointer\r
- //\r
- Ptr = Buffer;\r
-\r
- //\r
- // set checksum to 0 first\r
- //\r
- Ptr[ChecksumOffset] = 0;\r
-\r
- //\r
- // add all content of buffer\r
- //\r
- while ((Size--) != 0) {\r
- Sum = (UINT8) (Sum + (*Ptr++));\r
- }\r
- //\r
- // set checksum\r
- //\r
- Ptr = Buffer;\r
- Ptr[ChecksumOffset] = (UINT8) (0xff - Sum + 1);\r
-\r
- return EFI_SUCCESS;\r
-}\r
-/**\r
- Checksum all versions of the common tables, RSDP, RSDT, XSDT.\r
-\r
- @param AcpiSupportInstance Protocol instance private data.\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
-\r
-**/\r
-EFI_STATUS\r
-ChecksumCommonTables (\r
- IN OUT EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance\r
- )\r
-{\r
- //\r
- // RSDP ACPI 1.0 checksum for 1.0 table. This is only the first 20 bytes of the structure\r
- //\r
- AcpiPlatformChecksum (\r
- AcpiSupportInstance->Rsdp1,\r
- sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r
- OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r
- Checksum)\r
- );\r
-\r
- //\r
- // RSDP ACPI 1.0 checksum for 2.0/3.0 table. This is only the first 20 bytes of the structure\r
- //\r
- AcpiPlatformChecksum (\r
- AcpiSupportInstance->Rsdp3,\r
- sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r
- OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r
- Checksum)\r
- );\r
-\r
- //\r
- // RSDP ACPI 2.0/3.0 checksum, this is the entire table\r
- //\r
- AcpiPlatformChecksum (\r
- AcpiSupportInstance->Rsdp3,\r
- sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER),\r
- OFFSET_OF (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER,\r
- ExtendedChecksum)\r
- );\r
-\r
- //\r
- // RSDT checksums\r
- //\r
- AcpiPlatformChecksum (\r
- AcpiSupportInstance->Rsdt1,\r
- AcpiSupportInstance->Rsdt1->Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
-\r
- AcpiPlatformChecksum (\r
- AcpiSupportInstance->Rsdt3,\r
- AcpiSupportInstance->Rsdt3->Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
-\r
- //\r
- // XSDT checksum\r
- //\r
- AcpiPlatformChecksum (\r
- AcpiSupportInstance->Xsdt,\r
- AcpiSupportInstance->Xsdt->Length,\r
- OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,\r
- Checksum)\r
- );\r
-\r
- return EFI_SUCCESS;\r
-}\r
-/**\r
- Constructor for the ACPI support protocol to initializes instance data.\r
-\r
- @param AcpiSupportInstance Instance to construct\r
-\r
- @retval EFI_SUCCESS Instance initialized.\r
- @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources.\r
-**/\r
-EFI_STATUS\r
-AcpiSupportAcpiSupportConstructor (\r
- IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance\r
- )\r
-{\r
- EFI_STATUS Status;\r
- UINT64 CurrentData;\r
- UINTN TotalSize;\r
- UINTN RsdpTableSize;\r
- UINT8 *Pointer;\r
- EFI_PHYSICAL_ADDRESS PageAddress;\r
-\r
- //\r
- // Check for invalid input parameters\r
- //\r
- ASSERT (AcpiSupportInstance);\r
-\r
- InitializeListHead (&AcpiSupportInstance->TableList);\r
- AcpiSupportInstance->CurrentHandle = 1;\r
- AcpiSupportInstance->AcpiSupport.GetAcpiTable = GetAcpiTable;\r
- AcpiSupportInstance->AcpiSupport.SetAcpiTable = SetAcpiTable;\r
- AcpiSupportInstance->AcpiSupport.PublishTables = PublishTables;\r
-\r
- AcpiSupportInstance->AcpiTableProtocol.InstallAcpiTable = InstallAcpiTable;\r
- AcpiSupportInstance->AcpiTableProtocol.UninstallAcpiTable = UninstallAcpiTable;\r
-\r
- //\r
- // Create RSDP table\r
- //\r
- RsdpTableSize = sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER) +\r
- sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r
-\r
- PageAddress = 0xFFFFFFFF;\r
- Status = gBS->AllocatePages (\r
- AllocateMaxAddress,\r
- EfiACPIReclaimMemory,\r
- EFI_SIZE_TO_PAGES (RsdpTableSize),\r
- &PageAddress\r
- );\r
-\r
- if (EFI_ERROR (Status)) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- Pointer = (UINT8 *) (UINTN) PageAddress;\r
- ZeroMem (Pointer, RsdpTableSize);\r
-\r
- AcpiSupportInstance->Rsdp1 = (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r
- Pointer += sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r
- AcpiSupportInstance->Rsdp3 = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer;\r
-\r
- //\r
- // Create RSDT, XSDT structures\r
- //\r
- TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT\r
- mEfiAcpiMaxNumTables * sizeof (UINT32) +\r
- sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT\r
- mEfiAcpiMaxNumTables * sizeof (UINT32) +\r
- sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT\r
- mEfiAcpiMaxNumTables * sizeof (UINT64);\r
-\r
- //\r
- // Allocate memory in the lower 32 bit of address range for\r
- // compatibility with ACPI 1.0 OS.\r
- //\r
- // This is done because ACPI 1.0 pointers are 32 bit values.\r
- // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses.\r
- // There is no architectural reason these should be below 4GB, it is purely\r
- // for convenience of implementation that we force memory below 4GB.\r
- //\r
- PageAddress = 0xFFFFFFFF;\r
- Status = gBS->AllocatePages (\r
- AllocateMaxAddress,\r
- EfiACPIReclaimMemory,\r
- EFI_SIZE_TO_PAGES (TotalSize),\r
- &PageAddress\r
- );\r
-\r
- if (EFI_ERROR (Status)) {\r
- gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)AcpiSupportInstance->Rsdp1, EFI_SIZE_TO_PAGES (RsdpTableSize));\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- Pointer = (UINT8 *) (UINTN) PageAddress;\r
- ZeroMem (Pointer, TotalSize);\r
-\r
- AcpiSupportInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r
- Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r
- AcpiSupportInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r
- Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32));\r
- AcpiSupportInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer;\r
-\r
- //\r
- // Initialize RSDP\r
- //\r
- CurrentData = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r
- CopyMem (&AcpiSupportInstance->Rsdp1->Signature, &CurrentData, sizeof (UINT64));\r
- CopyMem (AcpiSupportInstance->Rsdp1->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiSupportInstance->Rsdp1->OemId));\r
- AcpiSupportInstance->Rsdp1->Reserved = EFI_ACPI_RESERVED_BYTE;\r
- AcpiSupportInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiSupportInstance->Rsdt1;\r
-\r
- CurrentData = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE;\r
- CopyMem (&AcpiSupportInstance->Rsdp3->Signature, &CurrentData, sizeof (UINT64));\r
- CopyMem (AcpiSupportInstance->Rsdp3->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiSupportInstance->Rsdp3->OemId));\r
- AcpiSupportInstance->Rsdp3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION;\r
- AcpiSupportInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiSupportInstance->Rsdt3;\r
- AcpiSupportInstance->Rsdp3->Length = sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER);\r
- CurrentData = (UINT64) (UINTN) AcpiSupportInstance->Xsdt;\r
- CopyMem (&AcpiSupportInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64));\r
- SetMem (AcpiSupportInstance->Rsdp3->Reserved, 3, EFI_ACPI_RESERVED_BYTE);\r
-\r
- //\r
- // Initialize Rsdt\r
- //\r
- // Note that we "reserve" one entry for the FADT so it can always be\r
- // at the beginning of the list of tables. Some OS don't seem\r
- // to find it correctly if it is too far down the list.\r
- //\r
- AcpiSupportInstance->Rsdt1->Signature = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r
- AcpiSupportInstance->Rsdt1->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r
- AcpiSupportInstance->Rsdt1->Revision = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r
- CopyMem (AcpiSupportInstance->Rsdt1->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiSupportInstance->Rsdt1->OemId));\r
- CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r
- CopyMem (&AcpiSupportInstance->Rsdt1->OemTableId, &CurrentData, sizeof (UINT64));\r
- AcpiSupportInstance->Rsdt1->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r
- AcpiSupportInstance->Rsdt1->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r
- AcpiSupportInstance->Rsdt1->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r
- //\r
- // We always reserve first one for FADT\r
- //\r
- AcpiSupportInstance->NumberOfTableEntries1 = 1;\r
- AcpiSupportInstance->Rsdt1->Length = AcpiSupportInstance->Rsdt1->Length + sizeof(UINT32);\r
-\r
- AcpiSupportInstance->Rsdt3->Signature = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r
- AcpiSupportInstance->Rsdt3->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r
- AcpiSupportInstance->Rsdt3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION;\r
- CopyMem (AcpiSupportInstance->Rsdt3->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiSupportInstance->Rsdt3->OemId));\r
- CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r
- CopyMem (&AcpiSupportInstance->Rsdt3->OemTableId, &CurrentData, sizeof (UINT64));\r
- AcpiSupportInstance->Rsdt3->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r
- AcpiSupportInstance->Rsdt3->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r
- AcpiSupportInstance->Rsdt3->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r
- //\r
- // We always reserve first one for FADT\r
- //\r
- AcpiSupportInstance->NumberOfTableEntries3 = 1;\r
- AcpiSupportInstance->Rsdt3->Length = AcpiSupportInstance->Rsdt3->Length + sizeof(UINT32);\r
-\r
- //\r
- // Initialize Xsdt\r
- //\r
- AcpiSupportInstance->Xsdt->Signature = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE;\r
- AcpiSupportInstance->Xsdt->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER);\r
- AcpiSupportInstance->Xsdt->Revision = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_REVISION;\r
- CopyMem (AcpiSupportInstance->Xsdt->OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (AcpiSupportInstance->Xsdt->OemId));\r
- CurrentData = PcdGet64 (PcdAcpiDefaultOemTableId);\r
- CopyMem (&AcpiSupportInstance->Xsdt->OemTableId, &CurrentData, sizeof (UINT64));\r
- AcpiSupportInstance->Xsdt->OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r
- AcpiSupportInstance->Xsdt->CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r
- AcpiSupportInstance->Xsdt->CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r
- //\r
- // We always reserve first one for FADT\r
- //\r
- AcpiSupportInstance->Xsdt->Length = AcpiSupportInstance->Xsdt->Length + sizeof(UINT64);\r
-\r
- ChecksumCommonTables (AcpiSupportInstance);\r
-\r
- //\r
- // Completed successfully\r
- //\r
- return EFI_SUCCESS;\r
-}\r
projects / mirror_edk2.git / blobdiff