From 8a96515e8852b9fd4180fc3fcfbbb72f0d93e031 Mon Sep 17 00:00:00 2001 From: jljusten Date: Mon, 29 Aug 2011 22:15:21 +0000 Subject: IntelFrameworkModulePkg: Add AcpiSupportDxe driver Signed-off-by: jljusten Reviewed-by: mdkinney Reviewed-by: rsun3 Reviewed-by: jyao1 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12221 6f19259b-4bc3-4df7-8a09-765794883524 --- .../IntelFrameworkModulePkg.dec | 3 + .../IntelFrameworkModulePkg.dsc | 1 + .../Universal/Acpi/AcpiSupportDxe/AcpiSupport.c | 91 + .../Universal/Acpi/AcpiSupportDxe/AcpiSupport.h | 175 ++ .../AcpiSupportAcpiSupportProtocol.c | 1909 ++++++++++++++++++++ .../Acpi/AcpiSupportDxe/AcpiSupportDxe.inf | 70 + 6 files changed, 2249 insertions(+) create mode 100644 IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupport.c create mode 100644 IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupport.h create mode 100644 IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportAcpiSupportProtocol.c create mode 100644 IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportDxe.inf (limited to 'IntelFrameworkModulePkg') diff --git a/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec b/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec index 22888bbac6..ca76951822 100644 --- a/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec +++ b/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec @@ -94,6 +94,9 @@ ## This PCD specifies whether PS2 keyboard does a extended verification during start. gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdPs2KbdExtendedVerification|TRUE|BOOLEAN|0x00010045 + ## If TRUE, ACPI Support Protocol will be installed. + gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdInstallAcpiSupportProtocol|TRUE|BOOLEAN|0x00010046 + [PcdsFixedAtBuild] ## FFS filename to find the default BMP Logo file. gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdLogoFile |{ 0x99, 0x8b, 0xB2, 0x7B, 0xBB, 0x61, 0xD5, 0x11, 0x9A, 0x5D, 0x00, 0x90, 0x27, 0x3F, 0xC1, 0x4D }|VOID*|0x40000003 diff --git a/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dsc b/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dsc index 46fd24f327..39a6adda96 100644 --- a/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dsc +++ b/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dsc @@ -150,6 +150,7 @@ IntelFrameworkModulePkg/Csm/BiosThunk/BlockIoDxe/BlockIoDxe.inf IntelFrameworkModulePkg/Csm/BiosThunk/Snp16Dxe/Snp16Dxe.inf + IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportDxe.inf IntelFrameworkModulePkg/Universal/SectionExtractionDxe/SectionExtractionDxe.inf IntelFrameworkModulePkg/Universal/DataHubDxe/DataHubDxe.inf IntelFrameworkModulePkg/Universal/DataHubStdErrDxe/DataHubStdErrDxe.inf diff --git a/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupport.c b/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupport.c new file mode 100644 index 0000000000..a8b1f06117 --- /dev/null +++ b/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupport.c @@ -0,0 +1,91 @@ +/** @file + This is an implementation of the ACPI Support protocol. This is defined in + the Tiano ACPI External Product Specification, revision 0.3.6. + +Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.
+ +This program and the accompanying materials +are licensed and made available under the terms and conditions +of the BSD License which accompanies this distribution. The +full text of the license may be found at +http://opensource.org/licenses/bsd-license.php + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +// +// Includes +// +#include "AcpiSupport.h" + +// +// Handle to install ACPI Table Protocol (and ACPI Suppport protocol). +// +EFI_HANDLE mHandle = NULL; + +/** + Entry point of the ACPI support driver. This function creates and initializes an instance of the ACPI Support + Protocol and installs it on a new handle. + + @param ImageHandle A handle for the image that is initializing this driver + @param SystemTable A pointer to the EFI system table + + @retval EFI_SUCCESS Driver initialized successfully + @retval EFI_LOAD_ERROR Failed to Initialize or has been loaded + @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources +**/ +EFI_STATUS +EFIAPI +InstallAcpiSupport ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) + +{ + EFI_STATUS Status; + EFI_ACPI_SUPPORT_INSTANCE *PrivateData; + + // + // Initialize our protocol + // + PrivateData = AllocateZeroPool (sizeof (EFI_ACPI_SUPPORT_INSTANCE)); + ASSERT (PrivateData); + PrivateData->Signature = EFI_ACPI_SUPPORT_SIGNATURE; + + // + // Call all constructors per produced protocols + // + Status = AcpiSupportAcpiSupportConstructor (PrivateData); + if (EFI_ERROR (Status)) { + gBS->FreePool (PrivateData); + return EFI_LOAD_ERROR; + } + + // + // Install ACPI Table protocol and optional ACPI support protocol based on + // feature flag: PcdInstallAcpiSupportProtocol. + // + if (FeaturePcdGet (PcdInstallAcpiSupportProtocol)) { + Status = gBS->InstallMultipleProtocolInterfaces ( + &mHandle, + &gEfiAcpiTableProtocolGuid, + &PrivateData->AcpiTableProtocol, + &gEfiAcpiSupportProtocolGuid, + &PrivateData->AcpiSupport, + NULL + ); + ASSERT_EFI_ERROR (Status); + } else { + Status = gBS->InstallMultipleProtocolInterfaces ( + &mHandle, + &gEfiAcpiTableProtocolGuid, + &PrivateData->AcpiTableProtocol, + NULL + ); + ASSERT_EFI_ERROR (Status); + } + + return Status; +} diff --git a/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupport.h b/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupport.h new file mode 100644 index 0000000000..b28f1cd198 --- /dev/null +++ b/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupport.h @@ -0,0 +1,175 @@ +/** @file + This is an implementation of the ACPI Support protocol. + It is in compliance with the 0.9 definition of the protocol. + +Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.
+ +This program and the accompanying materials +are licensed and made available under the terms and conditions +of the BSD License which accompanies this distribution. The +full text of the license may be found at +http://opensource.org/licenses/bsd-license.php + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#ifndef _ACPI_SUPPORT_H_ +#define _ACPI_SUPPORT_H_ + + +#include + +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +// +// Statements that include other files +// +#include + + +// +// Private Driver Data +// +// +// ACPI Table Linked List Signature. +// +#define EFI_ACPI_TABLE_LIST_SIGNATURE SIGNATURE_32 ('E', 'A', 'T', 'L') + +// +// ACPI Table Linked List Entry definition. +// +// Signature must be set to EFI_ACPI_TABLE_LIST_SIGNATURE +// Link is the linked list data. +// Version is the versions of the ACPI tables that this table belongs in. +// Table is a pointer to the table. +// PageAddress is the address of the pages allocated for the table. +// NumberOfPages is the number of pages allocated at PageAddress. +// Handle is used to identify a particular table. +// +typedef struct { + UINT32 Signature; + LIST_ENTRY Link; + EFI_ACPI_TABLE_VERSION Version; + EFI_ACPI_COMMON_HEADER *Table; + EFI_PHYSICAL_ADDRESS PageAddress; + UINTN NumberOfPages; + UINTN Handle; +} EFI_ACPI_TABLE_LIST; + +// +// Containment record for linked list. +// +#define EFI_ACPI_TABLE_LIST_FROM_LINK(_link) CR (_link, EFI_ACPI_TABLE_LIST, Link, EFI_ACPI_TABLE_LIST_SIGNATURE) + +// +// The maximum number of tables this driver supports +// +#define EFI_ACPI_MAX_NUM_TABLES 20 + +// +// ACPI table information used to initialize tables. +// +#define EFI_ACPI_OEM_ID "INTEL " +#define EFI_ACPI_OEM_TABLE_ID 0x2020204F4E414954ULL // "TIANO " +#define EFI_ACPI_OEM_REVISION 0x00000002 +#define EFI_ACPI_CREATOR_ID 0x20202020 +#define EFI_ACPI_CREATOR_REVISION 0x01000013 + +// +// Protocol private structure definition +// +// +// ACPI support protocol instance signature definition. +// +#define EFI_ACPI_SUPPORT_SIGNATURE SIGNATURE_32 ('S', 'S', 'A', 'E') + +// +// ACPI support protocol instance data structure +// +typedef struct { + UINTN Signature; + EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp1; // Pointer to RSD_PTR structure + EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp3; // Pointer to RSD_PTR structure + EFI_ACPI_DESCRIPTION_HEADER *Rsdt1; // Pointer to RSDT table header + EFI_ACPI_DESCRIPTION_HEADER *Rsdt3; // Pointer to RSDT table header + EFI_ACPI_DESCRIPTION_HEADER *Xsdt; // Pointer to XSDT table header + EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt1; // Pointer to FADT table header + EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt3; // Pointer to FADT table header + EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs1; // Pointer to FACS table header + EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs3; // Pointer to FACS table header + EFI_ACPI_DESCRIPTION_HEADER *Dsdt1; // Pointer to DSDT table header + EFI_ACPI_DESCRIPTION_HEADER *Dsdt3; // Pointer to DSDT table header + LIST_ENTRY TableList; + UINTN NumberOfTableEntries1; // Number of ACPI 1.0 tables + UINTN NumberOfTableEntries3; // Number of ACPI 3.0 tables + UINTN CurrentHandle; + BOOLEAN TablesInstalled1; // ACPI 1.0 tables published + BOOLEAN TablesInstalled3; // ACPI 3.0 tables published + EFI_ACPI_SUPPORT_PROTOCOL AcpiSupport; + EFI_ACPI_TABLE_PROTOCOL AcpiTableProtocol; +} EFI_ACPI_SUPPORT_INSTANCE; + +// +// ACPI support protocol instance containing record macro +// +#define EFI_ACPI_SUPPORT_INSTANCE_FROM_ACPI_SUPPORT_THIS(a) \ + CR (a, \ + EFI_ACPI_SUPPORT_INSTANCE, \ + AcpiSupport, \ + EFI_ACPI_SUPPORT_SIGNATURE \ + ) +// +// ACPI table protocol instance containing record macro +// +#define EFI_ACPI_TABLE_INSTANCE_FROM_ACPI_SUPPORT_THIS(a) \ + CR (a, \ + EFI_ACPI_SUPPORT_INSTANCE, \ + AcpiTableProtocol, \ + EFI_ACPI_SUPPORT_SIGNATURE \ + ) + +/** + Constructor for the ACPI support protocol. + + Constructor for the ACPI support protocol to initializes instance data. + + @param AcpiSupportInstance Instance to construct + + @retval EFI_SUCCESS Instance initialized. + @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources. +**/ +EFI_STATUS +AcpiSupportAcpiSupportConstructor ( + IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance + ); +/** + Entry point of the ACPI support driver. This function creates and initializes an instance of the ACPI Support + Protocol and installs it on a new handle. + + @param ImageHandle A handle for the image that is initializing this driver + @param SystemTable A pointer to the EFI system table + + @retval EFI_SUCCESS Driver initialized successfully + @retval EFI_LOAD_ERROR Failed to Initialize or has been loaded + @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources +**/ +EFI_STATUS +EFIAPI +InstallAcpiSupport ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ); +#endif diff --git a/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportAcpiSupportProtocol.c b/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportAcpiSupportProtocol.c new file mode 100644 index 0000000000..6312e2ba36 --- /dev/null +++ b/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportAcpiSupportProtocol.c @@ -0,0 +1,1909 @@ +/** @file + ACPI Support Protocol implementation + +Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.
+ +This program and the accompanying materials +are licensed and made available under the terms and conditions +of the BSD License which accompanies this distribution. The +full text of the license may be found at +http://opensource.org/licenses/bsd-license.php + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +// +// Includes +// +#include "AcpiSupport.h" +// +// The maximum number of tables that pre-allocated. +// +UINTN mEfiAcpiMaxNumTables = EFI_ACPI_MAX_NUM_TABLES; +/** + This function adds an ACPI table to the table list. It will detect FACS and + allocate the correct type of memory and properly align the table. + + @param AcpiSupportInstance Instance of the protocol. + @param Table Table to add. + @param Checksum Does the table require checksumming. + @param Version The version of the list to add the table to. + @param Handle Pointer for returning the handle. + + @return EFI_SUCCESS The function completed successfully. + @return EFI_OUT_OF_RESOURCES Could not allocate a required resource. + @return EFI_ABORTED The table is a duplicate of a table that is required + to be unique. +**/ +EFI_STATUS +AddTableToList ( + IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance, + IN VOID *Table, + IN BOOLEAN Checksum, + IN EFI_ACPI_TABLE_VERSION Version, + OUT UINTN *Handle + ); +/** + This function finds and removes the table specified by the handle. + + @param AcpiSupportInstance Instance of the protocol. + @param Version Bitmask of which versions to remove. + @param Handle Table to remove. + + @return EFI_SUCCESS The function completed successfully. + @return EFI_ABORTED An error occurred. + @return EFI_NOT_FOUND Handle not found in table list. +**/ +EFI_STATUS +RemoveTableFromList ( + IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance, + IN EFI_ACPI_TABLE_VERSION Version, + IN UINTN Handle + ); +/** + This function calculates and updates an UINT8 checksum. + + @param Buffer Pointer to buffer to checksum + @param Size Number of bytes to checksum + @param ChecksumOffset Offset to place the checksum result in + + @return EFI_SUCCESS The function completed successfully. +**/ +EFI_STATUS +AcpiPlatformChecksum ( + IN VOID *Buffer, + IN UINTN Size, + IN UINTN ChecksumOffset + ); +/** + Checksum all versions of the common tables, RSDP, RSDT, XSDT. + + @param AcpiSupportInstance Protocol instance private data. + + @return EFI_SUCCESS The function completed successfully. + +**/ +EFI_STATUS +ChecksumCommonTables ( + IN OUT EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance + ); + +/** + This function returns a table specified by an index if it exists. + + The function returns a buffer containing the table that the caller must free. + The function also returns a handle used to identify the table for update or + deletion using the SetAcpiTable function. + + @param This Instance of the protocol. + @param Index Zero-based index of the table to retrieve. + @param Table Returned pointer to the table. + @param Version Versions that the table is currently used in. + @param Handle Handle of the table, used in updating tables. + + @retval EFI_SUCCESS The function completed successfully. + @retval EFI_NOT_FOUND The requested table does not exist. + +**/ +EFI_STATUS +EFIAPI +GetAcpiTable ( + IN EFI_ACPI_SUPPORT_PROTOCOL *This, + IN INTN Index, + OUT VOID **Table, + OUT EFI_ACPI_TABLE_VERSION *Version, + OUT UINTN *Handle + ) + +{ + EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance; + INTN TempIndex; + LIST_ENTRY *CurrentLink; + LIST_ENTRY *StartLink; + EFI_ACPI_TABLE_LIST *CurrentTable; + + // + // Check for invalid input parameters + // + ASSERT (This); + ASSERT (Table); + ASSERT (Handle); + + // + // Get the instance of the protocol + // + AcpiSupportInstance = EFI_ACPI_SUPPORT_INSTANCE_FROM_ACPI_SUPPORT_THIS (This); + + // + // Find the table + // + CurrentLink = AcpiSupportInstance->TableList.ForwardLink; + StartLink = &AcpiSupportInstance->TableList; + for (TempIndex = 0; (TempIndex < Index) && (CurrentLink != StartLink) && (CurrentLink != NULL); TempIndex++) { + CurrentLink = CurrentLink->ForwardLink; + } + + if (TempIndex != Index || CurrentLink == StartLink) { + return EFI_NOT_FOUND; + } + // + // Get handle and version + // + CurrentTable = EFI_ACPI_TABLE_LIST_FROM_LINK (CurrentLink); + *Handle = CurrentTable->Handle; + *Version = CurrentTable->Version; + + // + // Copy the table + // + *Table = AllocateCopyPool (CurrentTable->Table->Length, CurrentTable->Table); + ASSERT (*Table); + + return EFI_SUCCESS; +} +/** + This function adds, removes, or updates ACPI tables. If the address is not + null and the handle value is null, the table is added. If both the address and + handle are not null, the table at handle is updated with the table at address. + If the address is null and the handle is not, the table at handle is deleted. + + @param This Pointer of the protocol. + @param Table Pointer to a table. + @param Checksum Boolean indicating if the checksum should be calculated. + @param Version Version(s) to set. + @param Handle Handle of the table. + + @return EFI_SUCCESS The function completed successfully. + @return EFI_INVALID_PARAMETER Both the Table and *Handle were NULL. + @return EFI_ABORTED Could not complete the desired request. + +**/ +EFI_STATUS +EFIAPI +SetAcpiTable ( + IN EFI_ACPI_SUPPORT_PROTOCOL *This, + IN VOID *Table OPTIONAL, + IN BOOLEAN Checksum, + IN EFI_ACPI_TABLE_VERSION Version, + IN OUT UINTN *Handle + ) +{ + EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance; + UINTN SavedHandle; + EFI_STATUS Status; + + // + // Check for invalid input parameters + // + ASSERT (This); + ASSERT (Handle != NULL); + + // + // Get the instance of the protocol + // + AcpiSupportInstance = EFI_ACPI_SUPPORT_INSTANCE_FROM_ACPI_SUPPORT_THIS (This); + + // + // Initialize locals + // + // + // Determine desired action + // + if (*Handle == 0) { + if (Table == NULL) { + // + // Invalid parameter combination + // + return EFI_INVALID_PARAMETER; + } else { + // + // Add table + // + Status = AddTableToList (AcpiSupportInstance, Table, Checksum, Version, Handle); + } + } else { + if (Table != NULL) { + // + // Update table + // + // + // Delete the table list entry + // + Status = RemoveTableFromList (AcpiSupportInstance, Version, *Handle); + if (EFI_ERROR (Status)) { + // + // Should not get an error here ever, but abort if we do. + // + return EFI_ABORTED; + } + // + // Set the handle to replace the table at the same handle + // + SavedHandle = AcpiSupportInstance->CurrentHandle; + AcpiSupportInstance->CurrentHandle = *Handle; + + // + // Add the table + // + Status = AddTableToList (AcpiSupportInstance, Table, Checksum, Version, Handle); + + // + // Restore the saved current handle + // + AcpiSupportInstance->CurrentHandle = SavedHandle; + } else { + // + // Delete table + // + Status = RemoveTableFromList (AcpiSupportInstance, Version, *Handle); + } + } + + if (EFI_ERROR (Status)) { + // + // Should not get an error here ever, but abort if we do. + // + return EFI_ABORTED; + } + // + // Done + // + return EFI_SUCCESS; +} +/** + This function publishes the specified versions of the ACPI tables by + installing EFI configuration table entries for them. Any combination of + table versions can be published. + + @param This Pointer of the protocol. + @param Version Version(s) to publish. + + @return EFI_SUCCESS The function completed successfully. + @return EFI_ABORTED The function could not complete successfully. + +**/ +EFI_STATUS +EFIAPI +PublishTables ( + IN EFI_ACPI_SUPPORT_PROTOCOL *This, + IN EFI_ACPI_TABLE_VERSION Version + ) +{ + EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance; + EFI_STATUS Status; + UINT32 *CurrentRsdtEntry; + VOID *CurrentXsdtEntry; + UINT64 Buffer64; + + // + // Get the instance of the protocol + // + AcpiSupportInstance = EFI_ACPI_SUPPORT_INSTANCE_FROM_ACPI_SUPPORT_THIS (This); + + // + // Reorder tables as some operating systems don't seem to find the + // FADT correctly if it is not in the first few entries + // + + // + // Add FADT as the first entry + // + if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) { + CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiSupportInstance->Rsdt1 + sizeof (EFI_ACPI_DESCRIPTION_HEADER)); + *CurrentRsdtEntry = (UINT32) (UINTN) AcpiSupportInstance->Fadt1; + } + if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) { + CurrentRsdtEntry = (UINT32 *) ((UINT8 *) AcpiSupportInstance->Rsdt3 + sizeof (EFI_ACPI_DESCRIPTION_HEADER)); + *CurrentRsdtEntry = (UINT32) (UINTN) AcpiSupportInstance->Fadt3; + CurrentXsdtEntry = (VOID *) ((UINT8 *) AcpiSupportInstance->Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER)); + // + // Add entry to XSDT, XSDT expects 64 bit pointers, but + // the table pointers in XSDT are not aligned on 8 byte boundary. + // + Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Fadt3; + CopyMem ( + CurrentXsdtEntry, + &Buffer64, + sizeof (UINT64) + ); + } + + // + // Do checksum again because Dsdt/Xsdt is updated. + // + ChecksumCommonTables (AcpiSupportInstance); + + // + // Add the RSD_PTR to the system table and store that we have installed the + // tables. + // + if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && !AcpiSupportInstance->TablesInstalled1) { + Status = gBS->InstallConfigurationTable (&gEfiAcpi10TableGuid, AcpiSupportInstance->Rsdp1); + if (EFI_ERROR (Status)) { + return EFI_ABORTED; + } + + AcpiSupportInstance->TablesInstalled1 = TRUE; + } + + if (((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) && + !AcpiSupportInstance->TablesInstalled3) { + Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, AcpiSupportInstance->Rsdp3); + if (EFI_ERROR (Status)) { + return EFI_ABORTED; + } + + AcpiSupportInstance->TablesInstalled3= TRUE; + } + + return EFI_SUCCESS; +} +/** + Installs an ACPI table into the RSDT/XSDT. + Note that the ACPI table should be checksumed before installing it. + Otherwise it will assert. + + @param This Protocol instance pointer. + @param AcpiTableBuffer A pointer to a buffer containing the ACPI table to be installed. + @param AcpiTableBufferSize Specifies the size, in bytes, of the AcpiTableBuffer buffer. + @param TableKey Reurns a key to refer to the ACPI table. + + @return EFI_SUCCESS The table was successfully inserted. + @return EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, TableKey is NULL, or AcpiTableBufferSize + and the size field embedded in the ACPI table pointed to by AcpiTableBuffer + are not in sync. + @return EFI_OUT_OF_RESOURCES Insufficient resources exist to complete the request. + +**/ +EFI_STATUS +EFIAPI +InstallAcpiTable ( + IN EFI_ACPI_TABLE_PROTOCOL *This, + IN VOID *AcpiTableBuffer, + IN UINTN AcpiTableBufferSize, + OUT UINTN *TableKey + ) +{ + EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance; + EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport; + EFI_STATUS Status; + VOID *AcpiTableBufferConst; + UINT32 Length; + UINT8 Checksum; + + // + // Check for invalid input parameters + // + if ((AcpiTableBuffer == NULL) || (TableKey == NULL) + || (((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTableBuffer)->Length != AcpiTableBufferSize)) { + return EFI_INVALID_PARAMETER; + } + + Length = ((EFI_ACPI_COMMON_HEADER *) AcpiTableBuffer)->Length; + Checksum = CalculateCheckSum8 ((UINT8 *)AcpiTableBuffer, Length); + if (Checksum != 0) { + AcpiPlatformChecksum ( + (VOID *)AcpiTableBuffer, + (UINTN)Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, Checksum) + ); + } + + // + // Get the instance of the ACPI support protocol + // + AcpiSupportInstance = EFI_ACPI_TABLE_INSTANCE_FROM_ACPI_SUPPORT_THIS (This); + AcpiSupport = &AcpiSupportInstance->AcpiSupport; + + // + // Install the ACPI table by using ACPI support protocol + // + AcpiTableBufferConst = AllocateCopyPool (AcpiTableBufferSize, AcpiTableBuffer); + *TableKey = 0; + Status = AcpiSupport->SetAcpiTable ( + AcpiSupport, + AcpiTableBufferConst, + FALSE, + EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0, + TableKey + ); + if (!EFI_ERROR (Status)) { + Status = AcpiSupport->PublishTables ( + AcpiSupport, + EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0 + ); + } + FreePool (AcpiTableBufferConst); + + return Status; +} +/** + Removes an ACPI table from the RSDT/XSDT. + + @param This Protocol instance pointer. + @param TableKey Specifies the table to uninstall. The key was returned from InstallAcpiTable(). + + @return EFI_SUCCESS The table was successfully uninstalled. + @return EFI_NOT_FOUND TableKey does not refer to a valid key for a table entry. + +**/ +EFI_STATUS +EFIAPI +UninstallAcpiTable ( + IN EFI_ACPI_TABLE_PROTOCOL *This, + IN UINTN TableKey + ) +{ + EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance; + EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport; + EFI_STATUS Status; + + // + // Get the instance of the ACPI support protocol + // + AcpiSupportInstance = EFI_ACPI_TABLE_INSTANCE_FROM_ACPI_SUPPORT_THIS (This); + AcpiSupport = &AcpiSupportInstance->AcpiSupport; + + // + // Uninstall the ACPI table by using ACPI support protocol + // + Status = AcpiSupport->SetAcpiTable ( + AcpiSupport, + NULL, + FALSE, + EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0, + &TableKey + ); + if (!EFI_ERROR (Status)) { + Status = AcpiSupport->PublishTables ( + AcpiSupport, + EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0 + ); + } + + if (EFI_ERROR (Status)) { + return EFI_NOT_FOUND; + } else { + return EFI_SUCCESS; + } +} +/** + If the number of APCI tables exceeds the preallocated max table number, enlarge the table buffer. + + @param AcpiSupportInstance ACPI support protocol instance data structure + + @return EFI_SUCCESS reallocate the table beffer successfully. + @return EFI_OUT_OF_RESOURCES Unable to allocate required resources. + +**/ +EFI_STATUS +ReallocateAcpiTableBuffer ( + IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance + ) +{ + UINTN NewMaxTableNumber; + UINTN TotalSize; + UINT8 *Pointer; + EFI_PHYSICAL_ADDRESS PageAddress; + EFI_ACPI_SUPPORT_INSTANCE TempPrivateData; + EFI_STATUS Status; + UINT64 CurrentData; + + CopyMem (&TempPrivateData, AcpiSupportInstance, sizeof (EFI_ACPI_SUPPORT_INSTANCE)); + // + // Enlarge the max table number from mEfiAcpiMaxNumTables to mEfiAcpiMaxNumTables + EFI_ACPI_MAX_NUM_TABLES + // + NewMaxTableNumber = mEfiAcpiMaxNumTables + EFI_ACPI_MAX_NUM_TABLES; + // + // Create RSDT, XSDT structures and allocate buffers. + // + TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT + NewMaxTableNumber * sizeof (UINT32) + + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT + NewMaxTableNumber * sizeof (UINT32) + + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT + NewMaxTableNumber * sizeof (UINT64); + + // + // Allocate memory in the lower 32 bit of address range for + // compatibility with ACPI 1.0 OS. + // + // This is done because ACPI 1.0 pointers are 32 bit values. + // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses. + // There is no architectural reason these should be below 4GB, it is purely + // for convenience of implementation that we force memory below 4GB. + // + PageAddress = 0xFFFFFFFF; + Status = gBS->AllocatePages ( + AllocateMaxAddress, + EfiACPIReclaimMemory, + EFI_SIZE_TO_PAGES (TotalSize), + &PageAddress + ); + + if (EFI_ERROR (Status)) { + return EFI_OUT_OF_RESOURCES; + } + + Pointer = (UINT8 *) (UINTN) PageAddress; + ZeroMem (Pointer, TotalSize); + + AcpiSupportInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer; + Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + NewMaxTableNumber * sizeof (UINT32)); + AcpiSupportInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer; + Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + NewMaxTableNumber * sizeof (UINT32)); + AcpiSupportInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer; + + // + // Update RSDP to point to the new Rsdt and Xsdt address. + // + AcpiSupportInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiSupportInstance->Rsdt1; + AcpiSupportInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiSupportInstance->Rsdt3; + CurrentData = (UINT64) (UINTN) AcpiSupportInstance->Xsdt; + CopyMem (&AcpiSupportInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64)); + + // + // copy the original Rsdt1, Rsdt3 and Xsdt structure to new buffer + // + CopyMem (AcpiSupportInstance->Rsdt1, TempPrivateData.Rsdt1, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT32))); + CopyMem (AcpiSupportInstance->Rsdt3, TempPrivateData.Rsdt3, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT32))); + CopyMem (AcpiSupportInstance->Xsdt, TempPrivateData.Xsdt, (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + mEfiAcpiMaxNumTables * sizeof (UINT64))); + + // + // Calculate orignal ACPI table buffer size + // + TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT + mEfiAcpiMaxNumTables * sizeof (UINT32) + + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT + mEfiAcpiMaxNumTables * sizeof (UINT32) + + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT + mEfiAcpiMaxNumTables * sizeof (UINT64); + gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)TempPrivateData.Rsdt1, EFI_SIZE_TO_PAGES (TotalSize)); + + // + // Update the Max ACPI table number + // + mEfiAcpiMaxNumTables = NewMaxTableNumber; + return EFI_SUCCESS; +} +/** + This function adds an ACPI table to the table list. It will detect FACS and + allocate the correct type of memory and properly align the table. + + @param AcpiSupportInstance Instance of the protocol. + @param Table Table to add. + @param Checksum Does the table require checksumming. + @param Version The version of the list to add the table to. + @param Handle Pointer for returning the handle. + + @return EFI_SUCCESS The function completed successfully. + @return EFI_OUT_OF_RESOURCES Could not allocate a required resource. + @return EFI_ABORTED The table is a duplicate of a table that is required + to be unique. +**/ +EFI_STATUS +AddTableToList ( + IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance, + IN VOID *Table, + IN BOOLEAN Checksum, + IN EFI_ACPI_TABLE_VERSION Version, + OUT UINTN *Handle + ) +{ + EFI_STATUS Status; + EFI_ACPI_TABLE_LIST *CurrentTableList; + UINT32 CurrentTableSignature; + UINT32 CurrentTableSize; + UINT32 *CurrentRsdtEntry; + VOID *CurrentXsdtEntry; + UINT64 Buffer64; + BOOLEAN AddToRsdt; + + // + // Check for invalid input parameters + // + ASSERT (AcpiSupportInstance); + ASSERT (Table); + ASSERT (Handle); + + // + // Init locals + // + AddToRsdt = TRUE; + + // + // Create a new list entry + // + CurrentTableList = AllocatePool (sizeof (EFI_ACPI_TABLE_LIST)); + ASSERT (CurrentTableList); + + // + // Determine table type and size + // + CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table)->Signature; + CurrentTableSize = ((EFI_ACPI_COMMON_HEADER *) Table)->Length; + + // + // Allocate a buffer for the table. All tables are allocated in the lower 32 bits of address space + // for backwards compatibility with ACPI 1.0 OS. + // + // This is done because ACPI 1.0 pointers are 32 bit values. + // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses. + // There is no architectural reason these should be below 4GB, it is purely + // for convenience of implementation that we force memory below 4GB. + // + CurrentTableList->PageAddress = 0xFFFFFFFF; + CurrentTableList->NumberOfPages = EFI_SIZE_TO_PAGES (CurrentTableSize); + + // + // Allocation memory type depends on the type of the table + // + if ((CurrentTableSignature == EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) || + (CurrentTableSignature == EFI_ACPI_4_0_UEFI_ACPI_DATA_TABLE_SIGNATURE)) { + // + // Allocate memory for the FACS. This structure must be aligned + // on a 64 byte boundary and must be ACPI NVS memory. + // Using AllocatePages should ensure that it is always aligned. + // Do not change signature for new ACPI version because they are same. + // + // UEFI table also need to be in ACPI NVS memory, because some data field + // could be updated by OS present agent. For example, BufferPtrAddress in + // SMM communication ACPI table. + // + ASSERT ((EFI_PAGE_SIZE % 64) == 0); + Status = gBS->AllocatePages ( + AllocateMaxAddress, + EfiACPIMemoryNVS, + CurrentTableList->NumberOfPages, + &CurrentTableList->PageAddress + ); + } else { + // + // All other tables are ACPI reclaim memory, no alignment requirements. + // + Status = gBS->AllocatePages ( + AllocateMaxAddress, + EfiACPIReclaimMemory, + CurrentTableList->NumberOfPages, + &CurrentTableList->PageAddress + ); + } + // + // Check return value from memory alloc. + // + if (EFI_ERROR (Status)) { + gBS->FreePool (CurrentTableList); + return EFI_OUT_OF_RESOURCES; + } + // + // Update the table pointer with the allocated memory start + // + CurrentTableList->Table = (EFI_ACPI_COMMON_HEADER *) (UINTN) CurrentTableList->PageAddress; + + // + // Initialize the table contents + // + CurrentTableList->Signature = EFI_ACPI_TABLE_LIST_SIGNATURE; + CopyMem (CurrentTableList->Table, Table, CurrentTableSize); + CurrentTableList->Handle = AcpiSupportInstance->CurrentHandle++; + *Handle = CurrentTableList->Handle; + CurrentTableList->Version = Version; + + // + // Update internal pointers if this is a required table. If it is a required + // table and a table of that type already exists, return an error. + // + // Calculate the checksum if the table is not FACS. + // + switch (CurrentTableSignature) { + + case EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE: + // + // We don't add the FADT in the standard way because some + // OS expect the FADT to be early in the table list. + // So we always add it as the first element in the list. + // + AddToRsdt = FALSE; + + // + // Check that the table has not been previously added. + // + if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiSupportInstance->Fadt1 != NULL) || + ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiSupportInstance->Fadt3 != NULL) || + ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiSupportInstance->Fadt3 != NULL) + ) { + gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages); + gBS->FreePool (CurrentTableList); + return EFI_ABORTED; + } + // + // Add the table to the appropriate table version + // + if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) { + // + // Save a pointer to the table + // + AcpiSupportInstance->Fadt1 = (EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table; + + // + // Update pointers in FADT. If tables don't exist this will put NULL pointers there. + // + AcpiSupportInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiSupportInstance->Facs1; + AcpiSupportInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiSupportInstance->Dsdt1; + + // + // RSDP OEM information is updated to match the FADT OEM information + // + CopyMem ( + &AcpiSupportInstance->Rsdp1->OemId, + &AcpiSupportInstance->Fadt1->Header.OemId, + 6 + ); + + // + // RSDT OEM information is updated to match the FADT OEM information. + // + CopyMem ( + &AcpiSupportInstance->Rsdt1->OemId, + &AcpiSupportInstance->Fadt1->Header.OemId, + 6 + ); + + CopyMem ( + &AcpiSupportInstance->Rsdt1->OemTableId, + &AcpiSupportInstance->Fadt1->Header.OemTableId, + sizeof (UINT64) + ); + AcpiSupportInstance->Rsdt1->OemRevision = AcpiSupportInstance->Fadt1->Header.OemRevision; + } + + if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || + (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) { + // + // Save a pointer to the table + // + AcpiSupportInstance->Fadt3 = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) CurrentTableList->Table; + + // + // Update pointers in FADT. If tables don't exist this will put NULL pointers there. + // + if (AcpiSupportInstance->Fadt3 != NULL) { + AcpiSupportInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiSupportInstance->Facs3; + Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Facs3; + CopyMem ( + &AcpiSupportInstance->Fadt3->XFirmwareCtrl, + &Buffer64, + sizeof (UINT64) + ); + AcpiSupportInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiSupportInstance->Dsdt3; + Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Dsdt3; + CopyMem ( + &AcpiSupportInstance->Fadt3->XDsdt, + &Buffer64, + sizeof (UINT64) + ); + } + // + // RSDP OEM information is updated to match the FADT OEM information + // + CopyMem ( + &AcpiSupportInstance->Rsdp3->OemId, + &AcpiSupportInstance->Fadt3->Header.OemId, + 6 + ); + + // + // RSDT OEM information is updated to match FADT OEM information. + // + CopyMem ( + &AcpiSupportInstance->Rsdt3->OemId, + &AcpiSupportInstance->Fadt3->Header.OemId, + 6 + ); + CopyMem ( + &AcpiSupportInstance->Rsdt3->OemTableId, + &AcpiSupportInstance->Fadt3->Header.OemTableId, + sizeof (UINT64) + ); + AcpiSupportInstance->Rsdt3->OemRevision = AcpiSupportInstance->Fadt3->Header.OemRevision; + + // + // XSDT OEM information is updated to match FADT OEM information. + // + CopyMem ( + &AcpiSupportInstance->Xsdt->OemId, + &AcpiSupportInstance->Fadt3->Header.OemId, + 6 + ); + CopyMem ( + &AcpiSupportInstance->Xsdt->OemTableId, + &AcpiSupportInstance->Fadt3->Header.OemTableId, + sizeof (UINT64) + ); + AcpiSupportInstance->Xsdt->OemRevision = AcpiSupportInstance->Fadt3->Header.OemRevision; + } + // + // Checksum the table + // + if (Checksum) { + AcpiPlatformChecksum ( + CurrentTableList->Table, + CurrentTableList->Table->Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + } + break; + + case EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE: + // + // Check that the table has not been previously added. + // + if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiSupportInstance->Facs1 != NULL) || + ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiSupportInstance->Facs3 != NULL) || + ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiSupportInstance->Facs3 != NULL) + ) { + gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages); + gBS->FreePool (CurrentTableList); + return EFI_ABORTED; + } + // + // FACS is referenced by FADT and is not part of RSDT + // + AddToRsdt = FALSE; + + // + // Add the table to the appropriate table version + // + if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) { + // + // Save a pointer to the table + // + AcpiSupportInstance->Facs1 = (EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table; + + // + // If FADT already exists, update table pointers. + // + if (AcpiSupportInstance->Fadt1 != NULL) { + AcpiSupportInstance->Fadt1->FirmwareCtrl = (UINT32) (UINTN) AcpiSupportInstance->Facs1; + + // + // Checksum FADT table + // + AcpiPlatformChecksum ( + AcpiSupportInstance->Fadt1, + AcpiSupportInstance->Fadt1->Header.Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + } + } + + if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || + (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) { + // + // Save a pointer to the table + // + AcpiSupportInstance->Facs3 = (EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) CurrentTableList->Table; + + // + // If FADT already exists, update table pointers. + // + if (AcpiSupportInstance->Fadt3 != NULL) { + AcpiSupportInstance->Fadt3->FirmwareCtrl = (UINT32) (UINTN) AcpiSupportInstance->Facs3; + Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Facs3; + CopyMem ( + &AcpiSupportInstance->Fadt3->XFirmwareCtrl, + &Buffer64, + sizeof (UINT64) + ); + + // + // Checksum FADT table + // + AcpiPlatformChecksum ( + AcpiSupportInstance->Fadt3, + AcpiSupportInstance->Fadt3->Header.Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + } + } + + break; + + case EFI_ACPI_1_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE: + // + // Check that the table has not been previously added. + // + if (((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0 && AcpiSupportInstance->Dsdt1 != NULL) || + ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 && AcpiSupportInstance->Dsdt3 != NULL) || + ((Version & EFI_ACPI_TABLE_VERSION_3_0) != 0 && AcpiSupportInstance->Dsdt3 != NULL) + ) { + gBS->FreePages (CurrentTableList->PageAddress, CurrentTableList->NumberOfPages); + gBS->FreePool (CurrentTableList); + return EFI_ABORTED; + } + // + // DSDT is referenced by FADT and is not part of RSDT + // + AddToRsdt = FALSE; + + // + // Add the table to the appropriate table version + // + if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) { + // + // Save a pointer to the table + // + AcpiSupportInstance->Dsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table; + + // + // If FADT already exists, update table pointers. + // + if (AcpiSupportInstance->Fadt1 != NULL) { + AcpiSupportInstance->Fadt1->Dsdt = (UINT32) (UINTN) AcpiSupportInstance->Dsdt1; + + // + // Checksum FADT table + // + AcpiPlatformChecksum ( + AcpiSupportInstance->Fadt1, + AcpiSupportInstance->Fadt1->Header.Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + } + } + + if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || + (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) { + // + // Save a pointer to the table + // + AcpiSupportInstance->Dsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTableList->Table; + + // + // If FADT already exists, update table pointers. + // + if (AcpiSupportInstance->Fadt3 != NULL) { + AcpiSupportInstance->Fadt3->Dsdt = (UINT32) (UINTN) AcpiSupportInstance->Dsdt3; + Buffer64 = (UINT64) (UINTN) AcpiSupportInstance->Dsdt3; + CopyMem ( + &AcpiSupportInstance->Fadt3->XDsdt, + &Buffer64, + sizeof (UINT64) + ); + + // + // Checksum FADT table + // + AcpiPlatformChecksum ( + AcpiSupportInstance->Fadt3, + AcpiSupportInstance->Fadt3->Header.Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + } + } + // + // Checksum the table + // + if (Checksum) { + AcpiPlatformChecksum ( + CurrentTableList->Table, + CurrentTableList->Table->Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + } + break; + + default: + // + // Checksum the table + // + if (Checksum) { + AcpiPlatformChecksum ( + CurrentTableList->Table, + CurrentTableList->Table->Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + } + break; + } + // + // Add the table to the current list of tables + // + InsertTailList (&AcpiSupportInstance->TableList, &CurrentTableList->Link); + + // + // Add the table to RSDT and/or XSDT table entry lists. + // + // + // Add to ACPI 1.0b table tree + // + if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) { + if (AddToRsdt) { + // + // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer + // + if (AcpiSupportInstance->NumberOfTableEntries1 >= mEfiAcpiMaxNumTables) { + Status = ReallocateAcpiTableBuffer (AcpiSupportInstance); + ASSERT_EFI_ERROR (Status); + } + CurrentRsdtEntry = (UINT32 *) + ( + (UINT8 *) AcpiSupportInstance->Rsdt1 + + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + + AcpiSupportInstance->NumberOfTableEntries1 * + sizeof (UINT32) + ); + + // + // Add entry to the RSDT unless its the FACS or DSDT + // + *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table; + + // + // Update RSDT length + // + AcpiSupportInstance->Rsdt1->Length = AcpiSupportInstance->Rsdt1->Length + sizeof (UINT32); + + AcpiSupportInstance->NumberOfTableEntries1++; + } + } + // + // Add to ACPI 2.0/3.0 table tree + // + if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) { + if (AddToRsdt) { + // + // If the table number exceed the gEfiAcpiMaxNumTables, enlarge the table buffer + // + if (AcpiSupportInstance->NumberOfTableEntries3 >= mEfiAcpiMaxNumTables) { + Status = ReallocateAcpiTableBuffer (AcpiSupportInstance); + ASSERT_EFI_ERROR (Status); + } + // + // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables. + // If it becomes necessary to maintain separate table lists, changes will be required. + // + CurrentRsdtEntry = (UINT32 *) + ( + (UINT8 *) AcpiSupportInstance->Rsdt3 + + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + + AcpiSupportInstance->NumberOfTableEntries3 * + sizeof (UINT32) + ); + + // + // This pointer must not be directly dereferenced as the XSDT entries may not + // be 64 bit aligned resulting in a possible fault. Use CopyMem to update. + // + CurrentXsdtEntry = (VOID *) + ( + (UINT8 *) AcpiSupportInstance->Xsdt + + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + + AcpiSupportInstance->NumberOfTableEntries3 * + sizeof (UINT64) + ); + + // + // Add entry to the RSDT + // + *CurrentRsdtEntry = (UINT32) (UINTN) CurrentTableList->Table; + + // + // Update RSDT length + // + AcpiSupportInstance->Rsdt3->Length = AcpiSupportInstance->Rsdt3->Length + sizeof (UINT32); + + // + // Add entry to XSDT, XSDT expects 64 bit pointers, but + // the table pointers in XSDT are not aligned on 8 byte boundary. + // + Buffer64 = (UINT64) (UINTN) CurrentTableList->Table; + CopyMem ( + CurrentXsdtEntry, + &Buffer64, + sizeof (UINT64) + ); + + // + // Update length + // + AcpiSupportInstance->Xsdt->Length = AcpiSupportInstance->Xsdt->Length + sizeof (UINT64); + + AcpiSupportInstance->NumberOfTableEntries3++; + } + } + + ChecksumCommonTables (AcpiSupportInstance); + return EFI_SUCCESS; +} +/** + This function finds the table specified by the handle and returns a pointer to it. + If the handle is not found, EFI_NOT_FOUND is returned and the contents of Table are + undefined. + + @param Handle Table to find. + @param TableList Table list to search + @param Table Pointer to table found. + + @return EFI_SUCCESS The function completed successfully. + @return EFI_NOT_FOUND No table found matching the handle specified. + +**/ +EFI_STATUS +FindTableByHandle ( + IN UINTN Handle, + IN LIST_ENTRY *TableList, + OUT EFI_ACPI_TABLE_LIST **Table + ) +{ + LIST_ENTRY *CurrentLink; + EFI_ACPI_TABLE_LIST *CurrentTable; + + // + // Check for invalid input parameters + // + ASSERT (Table); + + // + // Find the table + // + CurrentLink = TableList->ForwardLink; + + while (CurrentLink != TableList) { + CurrentTable = EFI_ACPI_TABLE_LIST_FROM_LINK (CurrentLink); + if (CurrentTable->Handle == Handle) { + // + // Found handle, so return this table. + // + *Table = CurrentTable; + return EFI_SUCCESS; + } + + CurrentLink = CurrentLink->ForwardLink; + } + // + // Table not found + // + return EFI_NOT_FOUND; +} +/** + This function removes a basic table from the RSDT and/or XSDT. + For Acpi 1.0 tables, pass in the Rsdt. + For Acpi 2.0 tables, pass in both Rsdt and Xsdt. + + @param Table Pointer to table found. + @param NumberOfTableEntries Current number of table entries in the RSDT/XSDT + @param Rsdt Pointer to the RSDT to remove from + @param Xsdt Pointer to the Xsdt to remove from + + @return EFI_SUCCESS The function completed successfully. + @return EFI_INVALID_PARAMETER The table was not found in both Rsdt and Xsdt. + +**/ +EFI_STATUS +RemoveTableFromRsdt ( + IN OUT EFI_ACPI_TABLE_LIST * Table, + IN OUT UINTN *NumberOfTableEntries, + IN OUT EFI_ACPI_DESCRIPTION_HEADER * Rsdt, + IN OUT EFI_ACPI_DESCRIPTION_HEADER * Xsdt OPTIONAL + ) +{ + UINT32 *CurrentRsdtEntry; + VOID *CurrentXsdtEntry; + UINT64 CurrentTablePointer64; + UINTN TempIndex; + + // + // Check for invalid input parameters + // + ASSERT (Table); + ASSERT (NumberOfTableEntries); + ASSERT (Rsdt); + + // + // Find the table entry in the RSDT and XSDT + // + for (TempIndex = 0; TempIndex < *NumberOfTableEntries; TempIndex++) { + // + // At this time, it is assumed that RSDT and XSDT maintain parallel lists of tables. + // If it becomes necessary to maintain separate table lists, changes will be required. + // + CurrentRsdtEntry = (UINT32 *) ((UINT8 *) Rsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + TempIndex * sizeof (UINT32)); + if (Xsdt != NULL) { + // + // This pointer must not be directly dereferenced as the XSDT entries may not + // be 64 bit aligned resulting in a possible fault. Use CopyMem to update. + // + CurrentXsdtEntry = (VOID *) ((UINT8 *) Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + TempIndex * sizeof (UINT64)); + + // + // Read the entry value out of the XSDT + // + CopyMem (&CurrentTablePointer64, CurrentXsdtEntry, sizeof (UINT64)); + } else { + // + // Initialize to NULL + // + CurrentXsdtEntry = 0; + CurrentTablePointer64 = 0; + } + // + // Check if we have found the corresponding entry in both RSDT and XSDT + // + if (*CurrentRsdtEntry == (UINT32) (UINTN) Table->Table && + ((Xsdt == NULL) || CurrentTablePointer64 == (UINT64) (UINTN) Table->Table) + ) { + // + // Found entry, so copy all following entries and shrink table + // We actually copy all + 1 to copy the initialized value of memory over + // the last entry. + // + CopyMem (CurrentRsdtEntry, CurrentRsdtEntry + 1, (*NumberOfTableEntries - TempIndex) * sizeof (UINT32)); + Rsdt->Length = Rsdt->Length - sizeof (UINT32); + if (Xsdt != NULL) { + CopyMem (CurrentXsdtEntry, ((UINT64 *) CurrentXsdtEntry) + 1, (*NumberOfTableEntries - TempIndex) * sizeof (UINT64)); + Xsdt->Length = Xsdt->Length - sizeof (UINT64); + } + break; + } else if (TempIndex + 1 == *NumberOfTableEntries) { + // + // At the last entry, and table not found + // + return EFI_INVALID_PARAMETER; + } + } + // + // Checksum the tables + // + AcpiPlatformChecksum ( + Rsdt, + Rsdt->Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + + if (Xsdt != NULL) { + AcpiPlatformChecksum ( + Xsdt, + Xsdt->Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + } + // + // Decrement the number of tables + // + (*NumberOfTableEntries)--; + + return EFI_SUCCESS; +} +/** + This function removes a table and frees any associated memory. + + @param AcpiSupportInstance Instance of the protocol. + @param Version Version(s) to delete. + @param Table Pointer to table found. + + @return EFI_SUCCESS The function completed successfully. + +**/ +EFI_STATUS +DeleteTable ( + IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance, + IN EFI_ACPI_TABLE_VERSION Version, + IN OUT EFI_ACPI_TABLE_LIST *Table + ) +{ + UINT32 CurrentTableSignature; + BOOLEAN RemoveFromRsdt; + + // + // Check for invalid input parameters + // + ASSERT (AcpiSupportInstance); + ASSERT (Table); + + // + // Init locals + // + RemoveFromRsdt = TRUE; + CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table->Table)->Signature; + + // + // Basic tasks to accomplish delete are: + // Determine removal requirements (in RSDT/XSDT or not) + // Remove entry from RSDT/XSDT + // Remove any table references to the table + // If no one is using the table + // Free the table (removing pointers from private data and tables) + // Remove from list + // Free list structure + // + // + // Determine if this table is in the RSDT or XSDT + // + if ((CurrentTableSignature == EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) || + (CurrentTableSignature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) || + (CurrentTableSignature == EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) + ) { + RemoveFromRsdt = FALSE; + } + // + // We don't remove the FADT in the standard way because some + // OS expect the FADT to be early in the table list. + // So we always put it as the first element in the list. + // + if (CurrentTableSignature == EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) { + RemoveFromRsdt = FALSE; + } + + // + // Remove the table from RSDT and XSDT + // + if (Table->Table != NULL) { + // + // This is a basic table, remove it from any lists and the Rsdt and/or Xsdt + // + if (Version & EFI_ACPI_TABLE_VERSION_NONE & Table->Version) { + // + // Remove this version from the table + // + Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_NONE; + } + + if (Version & EFI_ACPI_TABLE_VERSION_1_0B & Table->Version) { + // + // Remove this version from the table + // + Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_1_0B; + + // + // Remove from Rsdt. We don't care about the return value because it is + // acceptable for the table to not exist in Rsdt. + // We didn't add some tables so we don't remove them. + // + if (RemoveFromRsdt) { + RemoveTableFromRsdt ( + Table, + &AcpiSupportInstance->NumberOfTableEntries1, + AcpiSupportInstance->Rsdt1, + NULL + ); + } + } + + if ((Version & EFI_ACPI_TABLE_VERSION_2_0 & Table->Version) || + (Version & EFI_ACPI_TABLE_VERSION_3_0 & Table->Version)) { + // + // Remove this version from the table + // + if (Version & EFI_ACPI_TABLE_VERSION_2_0 & Table->Version) { + Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_2_0; + } + if (Version & EFI_ACPI_TABLE_VERSION_3_0 & Table->Version) { + Table->Version = Table->Version &~EFI_ACPI_TABLE_VERSION_3_0; + } + + // + // Remove from Rsdt and Xsdt. We don't care about the return value + // because it is acceptable for the table to not exist in Rsdt/Xsdt. + // We didn't add some tables so we don't remove them. + // + if (RemoveFromRsdt) { + RemoveTableFromRsdt ( + Table, + &AcpiSupportInstance->NumberOfTableEntries3, + AcpiSupportInstance->Rsdt3, + AcpiSupportInstance->Xsdt + ); + } + } + // + // Free the table, clean up any dependent tables and our private data pointers. + // + switch (Table->Table->Signature) { + + case EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE: + if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) { + AcpiSupportInstance->Fadt1 = NULL; + } + + if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || + (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) { + AcpiSupportInstance->Fadt3 = NULL; + } + break; + + case EFI_ACPI_3_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE: + if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) { + AcpiSupportInstance->Facs1 = NULL; + + // + // Update FADT table pointers + // + if (AcpiSupportInstance->Fadt1 != NULL) { + AcpiSupportInstance->Fadt1->FirmwareCtrl = 0; + + // + // Checksum table + // + AcpiPlatformChecksum ( + AcpiSupportInstance->Fadt1, + AcpiSupportInstance->Fadt1->Header.Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + } + } + + if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || + (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) { + AcpiSupportInstance->Facs3 = NULL; + + // + // Update FADT table pointers + // + if (AcpiSupportInstance->Fadt3 != NULL) { + AcpiSupportInstance->Fadt3->FirmwareCtrl = 0; + ZeroMem (&AcpiSupportInstance->Fadt3->XFirmwareCtrl, sizeof (UINT64)); + + // + // Checksum table + // + AcpiPlatformChecksum ( + AcpiSupportInstance->Fadt3, + AcpiSupportInstance->Fadt3->Header.Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + } + } + break; + + case EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE: + if ((Version & EFI_ACPI_TABLE_VERSION_1_0B) != 0) { + AcpiSupportInstance->Dsdt1 = NULL; + + // + // Update FADT table pointers + // + if (AcpiSupportInstance->Fadt1 != NULL) { + AcpiSupportInstance->Fadt1->Dsdt = 0; + + // + // Checksum table + // + AcpiPlatformChecksum ( + AcpiSupportInstance->Fadt1, + AcpiSupportInstance->Fadt1->Header.Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + } + } + + + if ((Version & EFI_ACPI_TABLE_VERSION_2_0) != 0 || + (Version & EFI_ACPI_TABLE_VERSION_3_0) != 0) { + AcpiSupportInstance->Dsdt3 = NULL; + + // + // Update FADT table pointers + // + if (AcpiSupportInstance->Fadt3 != NULL) { + AcpiSupportInstance->Fadt3->Dsdt = 0; + ZeroMem (&AcpiSupportInstance->Fadt3->XDsdt, sizeof (UINT64)); + + // + // Checksum table + // + AcpiPlatformChecksum ( + AcpiSupportInstance->Fadt3, + AcpiSupportInstance->Fadt3->Header.Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + } + } + break; + + default: + // + // Do nothing + // + break; + } + } + // + // If no version is using this table anymore, remove and free list entry. + // + if (Table->Version == 0) { + // + // Free the Table + // + gBS->FreePages (Table->PageAddress, Table->NumberOfPages); + RemoveEntryList (&(Table->Link)); + gBS->FreePool (Table); + } + // + // Done + // + return EFI_SUCCESS; +} +/** + This function finds and removes the table specified by the handle. + + @param AcpiSupportInstance Instance of the protocol. + @param Version Bitmask of which versions to remove. + @param Handle Table to remove. + + @return EFI_SUCCESS The function completed successfully. + @return EFI_ABORTED An error occurred. + @return EFI_NOT_FOUND Handle not found in table list. +**/ +EFI_STATUS +RemoveTableFromList ( + IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance, + IN EFI_ACPI_TABLE_VERSION Version, + IN UINTN Handle + ) +{ + EFI_ACPI_TABLE_LIST *Table; + EFI_STATUS Status; + + Table = NULL; + + // + // Check for invalid input parameters + // + ASSERT (AcpiSupportInstance); + + // + // Find the table + // + Status = FindTableByHandle ( + Handle, + &AcpiSupportInstance->TableList, + &Table + ); + if (EFI_ERROR (Status)) { + return EFI_NOT_FOUND; + } + // + // Remove the table + // + Status = DeleteTable (AcpiSupportInstance, Version, Table); + if (EFI_ERROR (Status)) { + return EFI_ABORTED; + } + // + // Completed successfully + // + return EFI_SUCCESS; +} +/** + This function calculates and updates an UINT8 checksum. + + @param Buffer Pointer to buffer to checksum + @param Size Number of bytes to checksum + @param ChecksumOffset Offset to place the checksum result in + + @return EFI_SUCCESS The function completed successfully. + +**/ +EFI_STATUS +AcpiPlatformChecksum ( + IN VOID *Buffer, + IN UINTN Size, + IN UINTN ChecksumOffset + ) +{ + UINT8 Sum; + UINT8 *Ptr; + + Sum = 0; + // + // Initialize pointer + // + Ptr = Buffer; + + // + // set checksum to 0 first + // + Ptr[ChecksumOffset] = 0; + + // + // add all content of buffer + // + while ((Size--) != 0) { + Sum = (UINT8) (Sum + (*Ptr++)); + } + // + // set checksum + // + Ptr = Buffer; + Ptr[ChecksumOffset] = (UINT8) (0xff - Sum + 1); + + return EFI_SUCCESS; +} +/** + Checksum all versions of the common tables, RSDP, RSDT, XSDT. + + @param AcpiSupportInstance Protocol instance private data. + + @return EFI_SUCCESS The function completed successfully. + +**/ +EFI_STATUS +ChecksumCommonTables ( + IN OUT EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance + ) +{ + // + // RSDP ACPI 1.0 checksum for 1.0 table. This is only the first 20 bytes of the structure + // + AcpiPlatformChecksum ( + AcpiSupportInstance->Rsdp1, + sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER), + OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER, + Checksum) + ); + + // + // RSDP ACPI 1.0 checksum for 2.0/3.0 table. This is only the first 20 bytes of the structure + // + AcpiPlatformChecksum ( + AcpiSupportInstance->Rsdp3, + sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER), + OFFSET_OF (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER, + Checksum) + ); + + // + // RSDP ACPI 2.0/3.0 checksum, this is the entire table + // + AcpiPlatformChecksum ( + AcpiSupportInstance->Rsdp3, + sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER), + OFFSET_OF (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER, + ExtendedChecksum) + ); + + // + // RSDT checksums + // + AcpiPlatformChecksum ( + AcpiSupportInstance->Rsdt1, + AcpiSupportInstance->Rsdt1->Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + + AcpiPlatformChecksum ( + AcpiSupportInstance->Rsdt3, + AcpiSupportInstance->Rsdt3->Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + + // + // XSDT checksum + // + AcpiPlatformChecksum ( + AcpiSupportInstance->Xsdt, + AcpiSupportInstance->Xsdt->Length, + OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, + Checksum) + ); + + return EFI_SUCCESS; +} +/** + Constructor for the ACPI support protocol to initializes instance data. + + @param AcpiSupportInstance Instance to construct + + @retval EFI_SUCCESS Instance initialized. + @retval EFI_OUT_OF_RESOURCES Unable to allocate required resources. +**/ +EFI_STATUS +AcpiSupportAcpiSupportConstructor ( + IN EFI_ACPI_SUPPORT_INSTANCE *AcpiSupportInstance + ) +{ + EFI_STATUS Status; + UINT64 CurrentData; + UINTN TotalSize; + UINTN RsdpTableSize; + UINT8 *Pointer; + EFI_PHYSICAL_ADDRESS PageAddress; + + // + // Check for invalid input parameters + // + ASSERT (AcpiSupportInstance); + + InitializeListHead (&AcpiSupportInstance->TableList); + AcpiSupportInstance->CurrentHandle = 1; + AcpiSupportInstance->AcpiSupport.GetAcpiTable = GetAcpiTable; + AcpiSupportInstance->AcpiSupport.SetAcpiTable = SetAcpiTable; + AcpiSupportInstance->AcpiSupport.PublishTables = PublishTables; + + AcpiSupportInstance->AcpiTableProtocol.InstallAcpiTable = InstallAcpiTable; + AcpiSupportInstance->AcpiTableProtocol.UninstallAcpiTable = UninstallAcpiTable; + + // + // Create RSDP table + // + RsdpTableSize = sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER) + + sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER); + + PageAddress = 0xFFFFFFFF; + Status = gBS->AllocatePages ( + AllocateMaxAddress, + EfiACPIReclaimMemory, + EFI_SIZE_TO_PAGES (RsdpTableSize), + &PageAddress + ); + + if (EFI_ERROR (Status)) { + return EFI_OUT_OF_RESOURCES; + } + + Pointer = (UINT8 *) (UINTN) PageAddress; + ZeroMem (Pointer, RsdpTableSize); + + AcpiSupportInstance->Rsdp1 = (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer; + Pointer += sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER); + AcpiSupportInstance->Rsdp3 = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) Pointer; + + // + // Create RSDT, XSDT structures + // + TotalSize = sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 1.0 RSDT + mEfiAcpiMaxNumTables * sizeof (UINT32) + + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 RSDT + mEfiAcpiMaxNumTables * sizeof (UINT32) + + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + // for ACPI 2.0/3.0 XSDT + mEfiAcpiMaxNumTables * sizeof (UINT64); + + // + // Allocate memory in the lower 32 bit of address range for + // compatibility with ACPI 1.0 OS. + // + // This is done because ACPI 1.0 pointers are 32 bit values. + // ACPI 2.0 OS and all 64 bit OS must use the 64 bit ACPI table addresses. + // There is no architectural reason these should be below 4GB, it is purely + // for convenience of implementation that we force memory below 4GB. + // + PageAddress = 0xFFFFFFFF; + Status = gBS->AllocatePages ( + AllocateMaxAddress, + EfiACPIReclaimMemory, + EFI_SIZE_TO_PAGES (TotalSize), + &PageAddress + ); + + if (EFI_ERROR (Status)) { + gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)AcpiSupportInstance->Rsdp1, EFI_SIZE_TO_PAGES (RsdpTableSize)); + return EFI_OUT_OF_RESOURCES; + } + + Pointer = (UINT8 *) (UINTN) PageAddress; + ZeroMem (Pointer, TotalSize); + + AcpiSupportInstance->Rsdt1 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer; + Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32)); + AcpiSupportInstance->Rsdt3 = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer; + Pointer += (sizeof (EFI_ACPI_DESCRIPTION_HEADER) + EFI_ACPI_MAX_NUM_TABLES * sizeof (UINT32)); + AcpiSupportInstance->Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) Pointer; + + // + // Initialize RSDP + // + CurrentData = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE; + CopyMem (&AcpiSupportInstance->Rsdp1->Signature, &CurrentData, sizeof (UINT64)); + CopyMem (AcpiSupportInstance->Rsdp1->OemId, EFI_ACPI_OEM_ID, 6); + AcpiSupportInstance->Rsdp1->Reserved = EFI_ACPI_RESERVED_BYTE; + AcpiSupportInstance->Rsdp1->RsdtAddress = (UINT32) (UINTN) AcpiSupportInstance->Rsdt1; + + CurrentData = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE; + CopyMem (&AcpiSupportInstance->Rsdp3->Signature, &CurrentData, sizeof (UINT64)); + CopyMem (AcpiSupportInstance->Rsdp3->OemId, EFI_ACPI_OEM_ID, 6); + AcpiSupportInstance->Rsdp3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION; + AcpiSupportInstance->Rsdp3->RsdtAddress = (UINT32) (UINTN) AcpiSupportInstance->Rsdt3; + AcpiSupportInstance->Rsdp3->Length = sizeof (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER); + CurrentData = (UINT64) (UINTN) AcpiSupportInstance->Xsdt; + CopyMem (&AcpiSupportInstance->Rsdp3->XsdtAddress, &CurrentData, sizeof (UINT64)); + SetMem (AcpiSupportInstance->Rsdp3->Reserved, 3, EFI_ACPI_RESERVED_BYTE); + + // + // Initialize Rsdt + // + // Note that we "reserve" one entry for the FADT so it can always be + // at the beginning of the list of tables. Some OS don't seem + // to find it correctly if it is too far down the list. + // + AcpiSupportInstance->Rsdt1->Signature = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE; + AcpiSupportInstance->Rsdt1->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER); + AcpiSupportInstance->Rsdt1->Revision = EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION; + CopyMem (AcpiSupportInstance->Rsdt1->OemId, EFI_ACPI_OEM_ID, 6); + CurrentData = EFI_ACPI_OEM_TABLE_ID; + CopyMem (&AcpiSupportInstance->Rsdt1->OemTableId, &CurrentData, sizeof (UINT64)); + AcpiSupportInstance->Rsdt1->OemRevision = EFI_ACPI_OEM_REVISION; + AcpiSupportInstance->Rsdt1->CreatorId = EFI_ACPI_CREATOR_ID; + AcpiSupportInstance->Rsdt1->CreatorRevision = EFI_ACPI_CREATOR_REVISION; + // + // We always reserve first one for FADT + // + AcpiSupportInstance->NumberOfTableEntries1 = 1; + AcpiSupportInstance->Rsdt1->Length = AcpiSupportInstance->Rsdt1->Length + sizeof(UINT32); + + AcpiSupportInstance->Rsdt3->Signature = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE; + AcpiSupportInstance->Rsdt3->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER); + AcpiSupportInstance->Rsdt3->Revision = EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION; + CopyMem (AcpiSupportInstance->Rsdt3->OemId, EFI_ACPI_OEM_ID, 6); + CurrentData = EFI_ACPI_OEM_TABLE_ID; + CopyMem (&AcpiSupportInstance->Rsdt3->OemTableId, &CurrentData, sizeof (UINT64)); + AcpiSupportInstance->Rsdt3->OemRevision = EFI_ACPI_OEM_REVISION; + AcpiSupportInstance->Rsdt3->CreatorId = EFI_ACPI_CREATOR_ID; + AcpiSupportInstance->Rsdt3->CreatorRevision = EFI_ACPI_CREATOR_REVISION; + // + // We always reserve first one for FADT + // + AcpiSupportInstance->NumberOfTableEntries3 = 1; + AcpiSupportInstance->Rsdt3->Length = AcpiSupportInstance->Rsdt3->Length + sizeof(UINT32); + + // + // Initialize Xsdt + // + AcpiSupportInstance->Xsdt->Signature = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE; + AcpiSupportInstance->Xsdt->Length = sizeof (EFI_ACPI_DESCRIPTION_HEADER); + AcpiSupportInstance->Xsdt->Revision = EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_REVISION; + CopyMem (AcpiSupportInstance->Xsdt->OemId, EFI_ACPI_OEM_ID, 6); + CurrentData = EFI_ACPI_OEM_TABLE_ID; + CopyMem (&AcpiSupportInstance->Xsdt->OemTableId, &CurrentData, sizeof (UINT64)); + AcpiSupportInstance->Xsdt->OemRevision = EFI_ACPI_OEM_REVISION; + AcpiSupportInstance->Xsdt->CreatorId = EFI_ACPI_CREATOR_ID; + AcpiSupportInstance->Xsdt->CreatorRevision = EFI_ACPI_CREATOR_REVISION; + // + // We always reserve first one for FADT + // + AcpiSupportInstance->Xsdt->Length = AcpiSupportInstance->Xsdt->Length + sizeof(UINT64); + + ChecksumCommonTables (AcpiSupportInstance); + + // + // Completed successfully + // + return EFI_SUCCESS; +} diff --git a/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportDxe.inf b/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportDxe.inf new file mode 100644 index 0000000000..422856d75e --- /dev/null +++ b/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportDxe.inf @@ -0,0 +1,70 @@ +## @file +# Acpi Support Dirver to install Acpi Support Protocol. +# +# This driver initializes ACPI support protocol instance data structure and intstall +# ACPI support protocol to provide Get, Set and Publish Table services. +# +# Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.
+# +# This program and the accompanying materials +# are licensed and made available under the terms and conditions +# of the BSD License which accompanies this distribution. The +# full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +## + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = AcpiSupportDxe + FILE_GUID = 506533a6-e626-4500-b14f-17939c0e5b60 + MODULE_TYPE = DXE_DRIVER + VERSION_STRING = 1.0 + + ENTRY_POINT = InstallAcpiSupport + +# +# The following information is for reference only and not required by the build tools. +# +# VALID_ARCHITECTURES = IA32 X64 IPF EBC +# + +[Sources] + AcpiSupportAcpiSupportProtocol.c + AcpiSupport.h + AcpiSupport.c + + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + IntelFrameworkPkg/IntelFrameworkPkg.dec + IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec + +[LibraryClasses] + UefiBootServicesTableLib + MemoryAllocationLib + UefiDriverEntryPoint + BaseMemoryLib + UefiLib + DebugLib + BaseLib + PcdLib + + +[Guids] + gEfiAcpi10TableGuid # ALWAYS_CONSUMED + gEfiAcpiTableGuid + +[FeaturePcd] + gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdInstallAcpiSupportProtocol + +[Protocols] + gEfiAcpiTableProtocolGuid # PROTOCOL ALWAYS_PRODUCED + gEfiAcpiSupportProtocolGuid # PROTOCOL ALWAYS_PRODUCED + +[Depex] + TRUE -- cgit v1.2.3